Arun Shukla, President and Director, JK Lakshmi Cement, reveals how their digital transformation initiatives have helped them set new benchmarks.

How has the implementation of IT initiatives transformed your operations and processes in the cement industry?
At JK Lakshmi Cement, we have embarked on a comprehensive digital transformation journey, leveraging cutting-edge technologies to revolutionise our operations and processes. This strategic approach has yielded significant results across several key areas.
We have implemented Dataiku, a leading data science and machine learning platform. This has resulted in a remarkable 60-70 per cent reduction in operational task execution times. Additionally, report generation has skyrocketed by over 300 per cent. This empowers our teams with real-time visibility into crucial metrics encompassing sales, logistics, manufacturing and procurement, ultimately transforming decision-making across the organisation.
By harnessing data from diverse sources, we can now provide customers with near-flawless delivery time predictions at the point of invoicing. This translates to a demonstrably higher level of customer satisfaction and reinforces their trust in our data-driven capabilities. We have made substantial investments in both Internet of Things (IoT) and automation technologies to optimise our operations. IoT is strategically leveraged for tasks like fleet management, supply chain optimisation, and water conservation. Furthermore, a machine learning platform automates essential logistics and supply chain processes, leading to significant cost savings and enhanced operational efficiency.
We have meticulously built robust data analytics capabilities. This includes the utilisation of descriptive analytics, real-time dashboards, and predictive modelling. This empowers our leadership team to make informed, data-driven decisions that positively impact our financial performance.
Environmental sustainability is paramount to JK Lakshmi Cement. We are a proud member of the RE100 initiative, pledging to achieve 100 per cent reliance on renewable energy by 2040. We’ve also deployed green LNG trucks for transportation, further minimising our environmental footprint.
By strategically investing in digital technologies and data-driven initiatives, JK Lakshmi Cement has not only transformed its operations and elevated customer experience, but we have also solidified our position as a frontrunner in the cement industry’s digital transformation.

Can you discuss how your organisation is adopting Industry 4.0 technologies and the benefits you are experiencing?
At JK Lakshmi Cement, we have been proactively embracing Industry 4.0 technologies to drive operational excellence and enhance customer experience. Some of the key initiatives we have undertaken include:
Digitalisation and automation: We have implemented advanced process control systems, smart sensors, and data analytics across our manufacturing facilities to optimise production, improve quality, and reduce energy consumption. For example, JK Lakshmi Cement has been awarded the best EGS performance in community engagement and empowerment at various platforms and has committed to multiple memberships such as SBTi, RE100 and EP 100, which meets its sustainability goals and reduces its carbon footprint.
Supply chain optimisation: We have leveraged technologies like IoT, blockchain, and predictive analytics to enhance our logistics and distribution network. This has allowed us to rationalise our procurement, material handling and transportation, leading to significant cost optimisation.
Customer-centric innovation: To better serve our customers, we have developed a suite of digital tools and services. This includes a mobile app for order placement, delivery tracking, and technical support, as well as an e-commerce platform for seamless online transactions. These digital interventions have greatly improved customer convenience and satisfaction.
Sustainability and efficiency: Sustainability is a core priority for us, and we have adopted Industry 4.0 technologies to drive energy efficiency and reduce our environmental footprint. For instance, we have deployed green LNG trucks for transportation, making us the first cement company in India to do so.

What specific automation technologies have you implemented, and how have they improved efficiency and productivity in your cement plants?
We are at the forefront of leveraging Industry 4.0 solutions to achieve operational excellence. Here are some key highlights:
IoT-powered fleet management and supply chain optimisation: We have deployed a comprehensive IoT ecosystem across our transportation network. This provides real-time visibility into vehicle location, driver behaviour and fuel efficiency. Coupled with our AI-powered logistics platform from FarEye, this has resulted in a 3-4 per cent reduction in logistics costs and a double digit improvement in on-time delivery rates.
Predictive maintenance with AI/ML: We’ve harnessed the power of AI and ML to create predictive maintenance models for our plant equipment. By analysing sensor data and historical maintenance records, these models anticipate potential failures before they occur. This proactive approach has led to a decrease in unplanned downtime and a significant improvement in overall equipment effectiveness.
Automated manufacturing processes: We have embraced automation across critical production stages, including material handling, kiln operations, and packaging. For instance, our state-of-the-art German technology for Autoclaved Aerated Concrete (AAC) blocks boasts innovative features like ‘Green Separation’ and ‘Horizontal Autoclaving,’ ensuring unmatched product consistency and quality.
Data-driven decision making: Underpinning these automation initiatives is a robust data analytics and business intelligence (BI) platform. We have developed advanced data models and real-time dashboards
that provide comprehensive insights into key performance indicators (KPIs) across sales, logistics, manufacturing and finance. This empowers us to make data-driven decisions that optimise operations and drive continuous improvement.

How are predictive analytics and maintenance technologies being utilised in your operations to minimise downtime and optimise maintenance schedules?
We are pioneering a data-driven approach to achieve industry-leading operational excellence. Our powerful synergy between advanced analytics and AI-powered solutions is transforming our business.
We have gone beyond basic forecasting by building robust AI and machine learning models. These models leverage a comprehensive data landscape, including historical production data, real-time sensor
readings from our Industrial Internet of Things (IIoT) network, and even external market trends. This holistic approach empowers us to generate highly accurate predictions that guide critical decisions across the entire value chain.
For instance, our predictive maintenance program, powered by IIoT sensors and cutting-edge analytics, continuously monitors equipment health. By identifying potential issues early, these models enable proactive maintenance interventions, drastically reducing unplanned downtime and maximising equipment effectiveness.
Similarly, our sales forecasting models, fueled by machine learning, meticulously analyse market dynamics, customer behaviour patterns
and a multitude of other factors to predict future demand with exceptional precision. This allows us to optimise production planning, logistics and inventory management, ensuring we meet customer needs efficiently while minimising waste and operational inefficiencies.
Our commitment to continuous improvement is resolute. The positive impact of these investments is undeniable. Our data models currently boast an excellent example of growth and commitment
and have been on an upward trajectory. By embracing these cutting-edge solutions, JK Lakshmi Cement is well-positioned to solidify its leadership position within the industry. We are driven to achieve operational excellence, superior competitiveness, and ultimately deliver exceptional value to both our customers and shareholders.

What are the challenges and advantages of integrating data across various systems in your cement manufacturing process?
Integrating data across various systems in our cement manufacturing process presents both challenges and advantages. One of the key challenges we face is the lack of real-time data connectivity, which can hinder efficient decision-making and agility within the organisation. To address this, we have implemented Oracle Cloud Solutions, which provide advanced analytics and real-time data connectivity, enabling us to have access to accurate and timely information for better decision-making and operational effectiveness.
Another challenge is the lack of integration among our systems, which can lead to inefficiencies, data duplication, and errors. To overcome this, we have implemented an integrated enterprise resource planning (ERP) system, which has streamlined our operations, enhanced data accuracy, and improved our overall business processes. This integration has also promoted streamlined processes and data integration, leading to enhanced efficiency and productivity through automation, data centralisation and improved communication with stakeholders.
One of the key advantages of integrating data across our systems is the ability to have a more transparent, agile, and integrated supply and logistics chain. With the implementation of Oracle Logistics Management Solution, we have been able to overcome challenges related to consignment locations and truck movements, providing real-time visibility into our operations. This has also led to operational efficiency improvements and the ability to predict consignment delivery times, which we share with our customers, enhancing their experience.
Furthermore, the integration of our systems has allowed us to create a more holistic technology landscape, enabling us to act faster and be more predictive. This has allowed us to address issues proactively and improve our overall operations, ultimately leading to enhanced customer satisfaction and loyalty.

How are IT initiatives contributing to sustainability efforts and reducing the environmental impact of your cement production?
JK Lakshmi Cement is leveraging innovative IT initiatives to drive sustainability and reduce the environmental impact of its cement production operations. By harnessing the power of digital technologies, the company is optimising its processes and enhancing resource efficiency across the
value chain.
One key IT-enabled initiative is the implementation of advanced analytics and predictive modeling. The company has deployed sophisticated data analytics tools to gain real-time visibility into energy consumption, emissions, and resource utilisation across its manufacturing facilities. This data-driven approach allows JK Lakshmi Cement to identify optimisation opportunities, implement targeted efficiency measures, and track the impact of its sustainability efforts with precision.
Furthermore, the company has invested in cutting-edge automation and control systems to enhance operational efficiency. Intelligent process control algorithms, coupled with Internet of Things (IoT) sensors, enable the company to fine-tune production parameters, minimise waste and reduce energy use. This intelligent automation has resulted in significant improvements in energy efficiency and a lower carbon footprint for JK Lakshmi Cement’s cement manufacturing operations.
To foster a culture of sustainability, the company has also developed robust digital platforms for employee engagement and knowledge sharing. Interactive dashboards and mobile applications empower employees to track sustainability metrics, participate in green initiatives, and share best practices
across the organisation. This digital ecosystem facilitates cross-functional collaboration and drives continuous improvement in the company’s environmental performance.
Looking ahead, JK Lakshmi Cement is exploring the integration of emerging technologies like artificial intelligence and blockchain to further enhance the traceability and transparency of its sustainability efforts. By harnessing the power of IT, the company is well-positioned to lead the cement industry’s transition towards a more sustainable and environmentally responsible future.

With the increasing digitisation of operations, what steps are you taking to ensure cybersecurity and protect sensitive data?
We recognise the ever-evolving cybersecurity landscape, particularly with the growing digitisation of our operations. As a frontrunner in the cement industry, safeguarding sensitive data and maintaining system integrity are paramount.
We leverage a multi-layered cybersecurity approach, featuring industry-leading anti-spam and anti-phishing solutions to combat advanced threats. This aligns seamlessly with our core business goals, where we actively implement ‘security by design’ principles to build inherent resilience within our systems.
Data protection remains a cornerstone of our strategy. We have deployed robust Data Loss Prevention (DLP) controls to guarantee sensitive information security. Furthermore, we continuously elevate employee preparedness through regular cybersecurity awareness training and simulated phishing exercises, fostering a keen ability to recognise and react to potential threats.
Beyond established protocols, JK Lakshmi Cement embraces cutting-edge technology. We utilise smart link neutralisation to assess URL reputation and leverage sandboxing to analyse suspicious files in a secure environment. This layered approach ensures comprehensive threat mitigation.
Moreover, we’ve fostered a strong cybersecurity culture that empowers our employees to actively participate in our defense strategy. Through continuous monitoring of our security posture, investment in skilled personnel, and collaboration with industry experts, JK Lakshmi Cement is well-positioned to navigate the dynamic digital landscape. This ensures the protection of our sensitive data and strengthens stakeholder trust in our commitment to cybersecurity.

What future IT trends do you foresee having the most significant impact on the cement industry, and how is your organisation preparing to embrace these trends?
The cement industry stands on the precipice of a transformative era, driven by the integration of cutting-edge IT solutions. At JK Lakshmi Cement, we are not just keeping pace; we are actively shaping the future by embracing these trends and unlocking their full potential.
One such transformative force is the widespread adoption of cloud computing. By leveraging cloud-native applications like Oracle’s Logistics Management Solution, we have achieved a 25 per cent increase in supply chain transparency and a 10 per cent reduction in logistics lead times). This translates to real-time visibility into operations, allowing us to optimise consignment locations, streamline truck movements, and ultimately, enhance our overall operational efficiency.
Another game-changer is Augmented Reality (AR). We envision AR revolutionising the way we approach construction projects. By creating detailed 3D models and immersive virtual tours, AR empowers stakeholders to gain a comprehensive understanding of a project’s environmental impact, sustainability measures, and overall feasibility – all before construction even begins. This technology also holds immense potential for improving site safety through virtual training and ensuring construction accuracy with BIM (Building Information Modeling) integration.
Machine learning and advanced analytics are poised to further propel the industry forward. By harnessing these powerful tools, we aim to become more proactive. Predictive maintenance, optimised production processes and data-driven decision-making are just a few of the benefits we anticipate. This translates to a significant competitive edge, allowing us to stay ahead of the curve and deliver superior value to our stakeholders.
At JK Lakshmi Cement, our commitment to technological innovation is unwavering. We are actively investing in building a robust IT infrastructure that seamlessly integrates with our ambitious growth plans, which include expanding our manufacturing base, introducing new product lines, and venturing into new markets. To achieve these goals, we’re fostering a culture of continuous improvement and building a holistic technology landscape that empowers a truly connected and intelligent ecosystem.
By embracing these transformative trends, JK Lakshmi Cement is positioned to be a leader in the next generation of cement production. We envision an industry characterised by greater efficiency, enhanced safety standards, and an unwavering focus on providing an exceptional customer experience. Our unwavering commitment to innovation and agility will ensure we remain at the forefront of this exciting transformation.

– Kanika Mathur

Lokesh Chandra Lohar, General Manager – Technical and Executive Cell, Wonder Cement, shares insights on overcoming challenges, leveraging innovations and the crucial role of R&D in maintaining high standards in cement production.

Can you provide an overview of the grinding process in your cement manufacturing plant and its significance in the overall production process?
Cement grinding unit is used to grind clinker and gypsum into a fine powder, known as cement. The process of grinding involves grinding of the clinker to a fine powder, which is then mixed with gypsum, fly ash and other additives to produce cement.
At Wonder Cement, our grinding processes are pivotal in ensuring high-quality cement production by utilising state of art technologies ex. Vertical Roller Mill (VRM), roller press with ball mill in combi circuit and finish mode grinding and high-efficiency classifier, have achieved optimal particle size distribution and energy efficiency.
Our commitment to sustainability is evident with usage of energy-efficient equipment, eco-friendly grinding aids and renewable energy sources. Continuous research and development efforts ensure we stay at the forefront of innovations, optimising our grinding operations and minimising impact on the environment.

The main processes involved in a cement grinding unit are:

• Clinker grinding: This is the main process in a cement grinding unit, where the clinker is ground into a fine powder using a ball mill or combi mills (RP+ Ball Mill) or vertical roller mill circuit. The grinding process is controlled to achieve the desired fineness of the cement.
• Gypsum and other additives: Gypsum is added to the clinker during the grinding process to regulate the setting time of the cement. Other additives such as fly ash, BF slag and pozzolana may also be added to improve the performance of the cement.
• Packaging: Once the grinding process is complete, the cement is stored in silos before being packed in bags or loaded into bulk trucks for transportation.
• Quality control: Quality control measures are in place throughout the grinding process to ensure that the final product meets the required specifications, including strength, setting time, and consistency.What are the main challenges you face in the grinding process, and how do you address these challenges to maintain efficiency and product quality?
  The main challenges in the grinding process include high energy consumption, frequent wear and maintenance, variability in clinker properties, environment impact and ensuring consistent product quality. To address these challenges, we have implemented several strategies:
• High energy consumption: Clinker grinding is energy-intensive, and high energy costs can significantly impact the overall production costs of cement.
  This is one of the primary challenges in the grinding process.
• Use of high-efficiency equipment: We have state-of-the-art energy-efficient grinding equipment, such as vertical roller mills (VRM), Combi Circuit (roller press with ball mill), which consume significantly less energy consumption.
• Process optimisation: Real time monitoring and optimisation of the grinding process to minimise energy consumption.
• Frequent wear and maintenance: The grinding equipment, such as mills and crushers, is subjected to wear over time. Frequent maintenance and downtime can affect production efficiency.
• Regular maintenance: Implement a proactive maintenance schedule to address wear and tear promptly, ensuring the equipment remains in optimal condition.
• Proper lubrication: Adequate lubrication of moving parts can extend the lifespan of grinding equipment.
  Use of wear-resistant materials for components, which are prone to wear and abrasion.
• Variability in clinker properties: Clinker properties can vary from one batch to another, leading to inconsistencies in the grinding process and the quality of the final cement product.
• Clinker sources: At Wonder we have one clinker source, which is our mother plant at Nimbahera, Rajasthan and we distribute clinker to various split GU’s from Nimbahera. This helps us to maintain uniform clinker quality across each location.
• Quality control: Rigorous quality control measures help us identify and address variations in clinker properties. Adjust grinding parameters as needed to compensate for these variations. (ex. use of cross belt analyser and on-line particle size distribution)
• Environmental impact: Energy-intensive grinding processes can have environmental repercussions due to high dust emissions and energy consumption.
  Use of high efficiency dust collection and suppression system to keep emissions below statutory norms
• Sustainable grinding aids: Consider using eco-friendly grinding aids that enhance grinding efficiency without compromising cement quality and environmental standards.
• Alternative fuels: Use alternative and more sustainable fuels in the cement kiln and hot gas generated to reduce carbon emissions.
• Use of clean energy in logistics:
  To reduce carbon emissions, sustainable alternatives are also sought for inland transport. We have involved neutral internal transports (electric powered trucks).
• Automation and digitalisation of production:
• Wonder Cement has already initiated the process to implement Smart Cement Industry 4.0.
• With Industry 4.0, the automation and digitalisation of operations, including the use of sensors, remote diagnosis, analysis of big data (including the artificial intelligence analysis of unstructured data such as images and video), equipment, virtual facilities, and intelligent control systems will be done automatically (based first on ‘knowledge capture’ and then on machine learning). For Process optimisation we are using the FLS Process expert system (PXP) system. This allows for system optimisation and increased efficiency gains in production.

How do grinding aids contribute to the efficiency of the grinding process in your plant? What types of grinding aids do you use?
Grinding aids help in reducing the agglomeration of particles, thus improving the overall grinding efficiency and ensuring a smoother and more efficient grinding process without having adverse effect on any of the properties of the resulting cement. In cement manufacturing, various types of grinding aids are used to improve the efficiency of the grinding process. These include:

Glycol-based grinding aids

• Composition: Ethylene glycol and diethylene glycol.
• Usage: Commonly used in to improve the grinding efficiency and reduce energy consumption.

Amine-based grinding aids

• Composition: Triethanolamine (TEA) and Triisopropanolamine (TIPA).
• Usage: Effective in improving the grindability of clinker and other raw materials, enhancing cement strength and performance.

Polyol-based grinding aids
Composition: Polyethylene glycol and other polyol compounds.
Usage: Used to improve the flowability of the material and reduce the tendency of particles
to agglomerate.

Acid-based grinding aids
Composition: Various organic acids.
Usage: Used to modify the surface properties of the particles, improving the grinding efficiency and final product quality.

Specialty grinding aids

• Composition: Proprietary blends of various chemicals tailored for specific materials and grinding conditions.
• Usage: Customised to address challenges in the grinding process, such as the use of alternative raw materials or specific performance requirements.

Can you discuss any recent innovations or improvements in grinding technology that have been implemented in your plant?
Recent innovations and improvements in grinding technology:

• Selection of state-of-the-art vertical roller mills along with high efficiency classifier (VRMs): VRMs are more energy-efficient and have lower power consumption, leading to significant energy savings. They also provide a more consistent product quality and require less maintenance. For raw meal grinding, we have both VRM and roller press.
• Wear-resistant materials and components: Upgrading grinding media, liners and other components with wear-resistant materials. These materials extend the lifespan of the equipment, reduce downtime, and lower maintenance costs. Examples include ceramic liners and high chrome grinding media.
• Intelligent monitoring and predictive maintenance: Utilising IoT sensors and predictive analytics to monitor equipment health. Predictive maintenance helps identify potential issues before they lead to equipment failure, reducing unplanned downtime and maintenance costs. It ensures optimal performance and prolongs equipment life.
• Optimisation software and simulation tools: Using simulation software to model and optimise the grinding process. These tools help in understanding the process dynamics, identifying bottlenecks, and testing different scenarios for process improvement. This leads to better process control and efficiency.

How do you ensure that your grinding equipment is energy-efficient and environmentally sustainable?

• Energy-efficient grinding technologies such as VRMs: VRMs are more energy-efficient than traditional ball mills due to their ability to grind materials using less energy.
• Benefits: Up to 30 per cent to 40 per cent reduction in energy consumption.
  Use of renewable energy sources (solar power integration): Utilising solar power for grinding operations
• Implementation: Signing of long-term open access power purchase agreements (PPA) with renewable energy developers
• Benefits: Reduces reliance on fossil fuels, decreases greenhouse gas emissions.

Environmental sustainability practices

a. Dust collection and emission control
Description: Using bag filters, and covered material handling system
Implementation: Installing and maintaining high-efficiency dust control equipment.
Benefits: Reduces particulate emissions, improves air quality, complies with environmental regulations.
b. Water conservation
Description: Recycle and reuse water in the grinding process.
Implementation: Installing sewage treatment plant (STP)
Benefits: Reduces water consumption, minimises environmental impact.
c. Use of alternative raw materials
Description: Incorporating industrial by-products like fly ash, BF slag and chemical gypsum in the grinding process.
Implementation: Sourcing and blending alternative materials.
Benefits: Reduces the need for natural resources, lowers carbon footprint, enhances sustainability.
By implementing these practices, the plant ensures that its grinding operations are both energy-efficient and environmentally sustainable, aligning with industry best practices and regulatory requirements.

What role does research and development play in optimising your grinding processes and the selection of grinding aids?
Following is the role of research and development in optimising grinding processes and selecting
grinding aids:

• Testing and usage of new low-cost cementitious material: Dedicated R&D teams work on developing and new low-cost cementitious material to reduce clinker factor in cement and
  improve efficiency.
• Process simulation and modelling: Uses simulation and modelling tools to understand the dynamics of the grinding process and identify areas for improvement.
• Formulation of new grinding aids with reverse engineering: Formulate new grinding aids to enhance the efficiency of the grinding process.
• Testing and evaluation: Conducting laboratory and plant-scale tests to evaluate the effectiveness of different grinding aids.
• Collaboration with industry partners: Collaborating with suppliers, universities and research institutions to stay at the forefront of grinding technology advancements.

Research and development play a crucial role in optimising grinding processes and selecting the appropriate grinding aids. By focusing on innovation, process optimisation, sustainability and continuous improvement, R&D ensures that the plant remains competitive, efficient, and environmentally responsible. This commitment to research and development enables the plant to achieve higher productivity, lower costs and produce superior quality cement.

What trends or advancements in grinding processes and grinding aids do you foresee impacting the cement manufacturing industry in the near future?
The trends and advancements in grinding processes and grinding aids that we see coming up in the near future are:

1. Digitalisation and Industry 4.0

• Advanced process control (APC) and automation
• Internet of things (IoT) and predictive maintenance
• Artificial intelligence (AI) and machine learning (ML)

2. Energy efficiency and sustainability

• Energy-efficient grinding technologies
• Use of renewable energy

3. Innovations in grinding aids

• Eco-friendly grinding aids
• Tailored grinding aids
• Multifunctional grinding aids

4. Advanced materials and components

• Wear-resistant materials for liners
• High-density grinding media

5. Process optimisation and integration

• Holistic process optimisation

6. Sustainability and circular economy

• Circular economy practices
• Carbon capture and utilisation (CCU)

– Kanika Mathur

Manish Samdani, Head – Quality Control, Udaipur Cement Works Limited (UCWL), shares a comprehensive view on optimising cement grinding processes and enhancing plant performance.

Can you provide an overview of the grinding process in your cement manufacturing plant and its significance in the overall production process?
In UCWL, we use the following types of mills for grinding raw materials and cement:

• Vertical Roller Mill (VRM): We employ the M/s Loesche (LM 38.4) and Gebr. Pfeiffer (MVR 6000C6) technology for raw material and cement grinding respectively. The VRM is a type of grinding mill that combines crushing, grinding, drying, and classification functions into a single compact unit. It operates by rotating a grinding table, equipped with rollers, while the raw materials are fed into the mill from the top. The rollers exert grinding pressure on the material, resulting in comminution and fine grinding. The ground material is then conveyed upwards and collected in a cyclone separator, while the coarse particles are returned to the grinding table for further grinding. The use of VRM technology allows for efficient grinding and improved energy utilisation. We are operating a mill with lowest power i.e., 12.5 KWh/MT with 10 per cent on 90 micron for raw material grinding.
• CPI and LNVT Ball Mill: CPI and LNVT is a renowned manufacturer of grinding equipment for the cement industry. Their ball mills are widely used for grinding cement clinker, gypsum, and other materials into a fine powder. The ball mill operates by rotating a horizontal cylinder, filled with steel balls, which impact and grind the material as it rotates. The ground material is discharged through the adjustable central diaphragm, while the coarse particles are returned for further grinding. CPI optimises material flow and thin linear plate, which increases the overall area of grinding also as a highly efficient dynamic separator with top feeding.
• Both the VRM and ball mill technologies provide effective grinding solutions for raw materials and cement production, each with its advantages and specific applications. The choice of the grinding mill depends on various factors such as the type of raw materials, desired fineness, production capacity, and energy efficiency requirements.

What are the main challenges you face in the grinding process, and how do you address these challenges to maintain efficiency and product quality?
At UCWL, the main challenges in the grinding process include high energy consumption, maintaining consistent product fineness, and managing moisture content in raw materials. To address these issues, UCWL uses energy-efficient VRMs, optimising parameters and employing SMARTA control systems to reduce energy usage. Consistency in product fineness is achieved through the use of online and offline PHD analysers and real-time quality control measures. Additionally, proper mixing and covered storage of raw materials help minimise moisture variations, ensuring efficient and high-quality grinding.

• Energy consumption: Grinding is an energy-intensive process, and high energy consumption can lead to increased operational costs. UCWL utilises energy-efficient grinding mills like the VRM, which consumes 23-24 kWh/MT for PPC cement compared to higher consumption in ball mills. The optimisation of grinding process parameters and the use of SMARTA advanced control systems help reduce energy usage without compromising product quality.
• Consistency in product fineness: Achieving and maintaining consistent product fineness is crucial for the quality of the final cement product. UCWL employs both online and offline PHD analysers for continuous monitoring and control of the grinding process. Advanced instrumentation and automation systems, along with real-time quality control measures, ensure the desired particle size distribution is maintained.
• Moisture content in raw materials: High moisture content in raw materials can lead to difficulties in grinding and affect the efficiency of the grinding process and quality. UCWL ensures proper mixing of raw materials and optimal storage conditions by utilising a covered storage yard, minimising variations in moisture content.
• Process and quality variability: Variability in raw material properties can lead to fluctuations in the grinding process, affecting product quality and efficiency.

We implement rigorous raw material testing and quality control procedures to ensure consistent feed quality. Real-time data is used to adjust process parameters, compensating for any variations in raw material properties. By addressing these challenges with advanced technologies, continuous monitoring, and strict quality control measures, UCWL maintains high efficiency and superior product quality in its grinding operations.

How do grinding aids contribute to the efficiency of the grinding process in your plant? What types of grinding aids do you use?
Grinding aids are chemical additives used in the cement manufacturing process to improve the efficiency and effectiveness of the grinding process. At UCWL, grinding aids play a crucial role in enhancing the performance of the grinding equipment and ensuring high-quality cement. We are using glycol-based grinding aid, which is reducing the energy required for grinding, improving one day’s strength by 2 to 3 MPa. These chemical additives lead to more efficient use of the grinding equipment, resulting in higher throughput and lower energy consumption. They also improve the flow properties of the ground material, reducing blockages and downtime. By enabling higher mill output and optimising overall mill performance, grinding aids contribute to cost savings, increased productivity, and improve product quality in the cement manufacturing process.

Can you discuss any recent innovations or improvements in grinding technology that have been implemented in your plant?
UCWL has recently implemented several innovations and improvements in grinding technology to enhance efficiency and productivity. Key among these is the integration of SMARTA and RAMCO systems for the automation of grinding systems. The SMARTA system optimises the grinding process parameters through advanced analytics and real-time monitoring, leading to significant energy savings and improved product quality. Meanwhile, the RAMCO system provides comprehensive automation, ensuring consistent control over the grinding operations and reducing the likelihood of human error. These systems enable better predictive maintenance, minimising downtime and extending the lifespan of grinding equipment. By adopting these cutting-edge technologies, UCWL has not only improved operational efficiency but also maintained high standards of product quality, positioning itself at the forefront of the cement manufacturing industry.

How do you ensure that your grinding equipment is energy-efficient and environmentally sustainable?
At UCWL, energy efficiency and environmental sustainability are achieved through several strategic measures. The use of energy-efficient equipment, such as Vertical Roller Mills (VRM), reduces energy consumption significantly compared to traditional ball mills. Advanced control systems like SMARTA and RAMCO optimise grinding parameters and provide real-time monitoring to enhance efficiency and product quality. Regular and predictive maintenance schedules ensure that equipment operates at peak performance, minimising downtime and extending lifespan. Additionally, energy management systems, including regular audits and continuous monitoring, help identify and address inefficiencies. UCWL also employs emission control technologies to minimise environmental impact, complying with regulations and promoting sustainable practices such as using alternative fuels, recycling waste products, and reducing the carbon footprint. These comprehensive efforts ensure that UCWL’s grinding operations are both energy-efficient and environmentally sustainable.

What role does R&D play in optimising your grinding processes and the selection of grinding aids?
Research and Development (R&D) at UCWL plays a pivotal role in optimising grinding processes and selecting effective grinding aids. Our R&D team focuses on process optimisation by exploring new methods to improve early strength and reduce energy consumption.
The UCWL team conducted approximately 80 to 90 R&D trials with various grinding aids to identify the most suitable formulations. These extensive trials helped in understanding the impact of different additives on grinding efficiency and product quality. Moreover, UCWL developed an in-house grinding aid, which, after successful plant-scale trials, resulted in a 2 mpa increase in initial strength and a 5 per cent increase in mill output. This in-house solution demonstrates the significant contributions of R&D in enhancing grinding performance, improving product quality, and achieving cost efficiency. Through continuous innovation and rigorous testing, R&D ensures that UCWL remains at the forefront of technological advancements in the cement industry.
Innovative technologies, such as advanced control systems, control charts and real-time monitoring tools, are developed and integrated to ensure consistent quality. Continuous improvement initiatives ensure ongoing optimisation, integrating feedback from production and quality control teams to address emerging challenges. Through these comprehensive efforts, R&D at UCWL ensures efficient, high-quality and sustainable grinding operations.

Can you share any specific examples or case studies where improvements in the grinding process have significantly benefited your plant’s performance?
The implementation of grinding aids at UCWL has led to significant improvements in the consumption of fly ash in Portland Pozzolana cement (PPC)
and a reduction in power consumption over the past four fiscal years. The data below illustrates these improvements:
Fly ash consumption (percentage):

• FY 2020-21: 25.9 per cent
• FY 2021-22: 27.7 per cent
• FY 2022-23: 30.9 per cent
• FY 2023-24: 32.5 per cent

Power consumption (kWh/MT):

• FY 2020-21: 31.2 kWh/MT
• FY 2021-22: 30.6 kWh/MT
• FY 2022-23: 28.2 kWh/MT
• FY 2023-24: 26.5 kWh/MT

By using grinding aids, UCWL has managed to increase the fly ash content in PPC from 25.9 per cent in FY 2020-21 to 32.5 per cent in FY 2023-24. This increase in fly ash usage not only improves the sustainability of the cement by utilising more industrial by-products but also enhances the overall performance of the cement. Concurrently, power consumption has decreased from 31.2 kWh/MT to 26.5 kWh/MT over the same period, demonstrating the effectiveness of grinding aids in reducing energy requirements and operational costs. These improvements highlight the critical role of grinding aids in optimising the grinding process, contributing to both economic and environmental benefits at UCWL.

What trends or advancements in grinding processes and grinding aids do you foresee impacting the cement manufacturing industry in the near future?
In the near future, the cement manufacturing industry is expected to be significantly impacted by several trends and advancements in grinding processes and grinding aids. Advanced grinding technologies, such as high-efficiency vertical roller mills (VRMs) and high-pressure grinding rolls (HPGRs), are enhancing energy efficiency and grinding performance.
Innovations in grinding aids are focusing on novel chemical additives and sustainable options that reduce energy consumption and environmental impact. Automation and digitalisation are driving improvements through real-time process optimisation and predictive maintenance, leading to better efficiency and reduced downtime.
Additionally, energy efficiency is being addressed through waste heat recovery systems and more energy-efficient equipment. The use of alternative materials and additives, along with a strong emphasis on reducing the carbon footprint, is also shaping the future of cement manufacturing. These advancements collectively aim to improve operational efficiency, lower costs and promote environmental sustainability in the industry.