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Efficient Cooling Solution Boosts Gearbox Uptime

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Efficient Oil Cooling for Gearbox in the Cement Industry. How a High-Performance Plate Heat Exchanger Ensured Thermal Stability and Operational Continuity.

Contributed by: Narendra Joshi and Sourabh Mishra

Application: Gearbox Oil Cooling
Objective: To maintain optimal oil temperature in high-viscosity lubrication systems for gearboxes in cement plants, ensuring uninterrupted operations and minimizing production losses due
to overheating.
Challenge: A prominent cement manufacturing company’s conventional cooling systems were failing to maintain the oil temperature within the optimal range, jeopardizing equipment performance and leading to avoidable downtime.

Background with the Existing System
In heavy-duty industrial applications, particularly in the cement industry, gearboxes are critical components that must operate under high mechanical loads and harsh conditions. These gearboxes rely on lubrication systems where oil plays a dual role, lubrication and heat dissipation. A recurring challenge in such setups is managing the temperature of the gearbox oil. When oil heats beyond a critical limit, its viscosity drops, reducing its ability to form a protective film. This leads to increased friction between components, heat generation, and eventual damage to gearbox components — directly impacting plant uptime and production output.

Delivering Sustainable Heat Transfer Solution with HRS FUNKE High Efficiency Heat Exchanger
This system was selected for its:

  • Excellent thermal performance, ensuring rapid and efficient oil cooling even with high-viscosity fluids.
  • Leakage-proof operation, with no cross-contamination between cooling water and lubrication oil.
  • Robust design, capable of withstanding high operating pressures and variable flow conditions.

The plate exchanger was custom configured based on the oil’s properties, desired outlet temperature, and ambient heat load, ensuring that the oil remained within the specified viscosity range necessary for maintaining gearbox operation and lubrication integrity.

Performance Benefits Delivered

  • Oil temperature control and maintained consistently within target range
  • Viscosity stability and prevented breakdown of lubrication film
  • Equipment reliability and reduced risk of gearbox overheating or failure
  • Production continuity and eliminated unplanned stoppages
  • Long-Term savings and lower maintenance costs and extended oil life

Solution: To address the problem, HRS Process Systems Ltd recommended the installation of a Funke Plate Heat Exchanger a compact, high-efficiency thermal solution engineered specifically for industrial lubrication oil cooling.

Conclusion: The customer achieved precision oil temperature control, ensuring that the gearboxes operated at optimal conditions. This not only safeguarded the mechanical integrity of the gearbox but also directly contributed to higher plant uptime and improved production efficiency in heavy industries like cement manufacturing.

(Communication by the management of HRS Process Systems Ltd)

Concrete

Siyaram Recycling Secures Rs 21.03 mn Order From Anurag Impex

Domestic Fixed Cost Contract To Be Executed Within Seven Days

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Siyaram Recycling Industries Limited (Siyaram Recycling) has informed the stock exchange that it has secured a purchase order for brass scrap honey from Anurag Impex. The company submitted the intimation on 10 April 2026 from Jamnagar and requested the filing be taken on record. The filing was made under the provisions of regulation 30 of the SEBI listing regulations and accompanying circular. The intimation referenced the SEBI circular dated 13 July 2023 and included an annexure detailing the terms.

The order carries a fixed cost value of Rs 21.03 million (mn) and is to be executed domestically within seven days. The contract was described as a fixed cost engagement and the customer was identified as Anurag Impex. The announcement specified that the order size contributes a short term consideration to the company. Owing to the brief execution window, logistics and dispatch were expected to be prioritised.

The filing clarified that neither the promoter group nor group companies have any interest in the purchaser and that the transaction does not constitute a related party transaction. Details were provided in an annexure and the document was signed by the managing director, Bhavesh Ramgopal Maheshwari. The company referenced compliance with SEBI disclosure requirements in its notification. The notice indicated that no related party approvals were required owing to the nature of the transaction.

The order is expected to provide a modest near term revenue inflow and to be processed within the stated execution window given the nature of the product and the fixed cost terms. Management indicated the contract will be executed in accordance with standard operational procedures and accounting recognition at completion. The development signals continuing demand in the secondary metals market for brass scrap.

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Concrete

Nuvoco FY26 Income Rises 10% as Expansion Advances

Cement major reports higher income, EBITDA and growth-led capacity plans

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Nuvoco Vistas reported cement sales volume of 20.4 million tonne in FY26, up 5 per cent year on year. Consolidated total income rose 10 per cent to Rs 113.62 billion, while EBITDA increased 35 per cent to Rs 18.81 billion, reflecting improved profitability and stronger execution across the business.

The company stated that execution at the Vadraj Cement facilities is progressing, with clinker and grinding units expected to be operationalised in phases from the third quarter of FY27. Its planned 4 million tonne per annum expansion in eastern India is also moving ahead in phases till FY28 and is expected to take total cement capacity to around 35 million tonne per annum.

The board has also approved a new bulk cement terminal at Viramgam, Sachana, Gujarat, with a dedicated railway siding and handling capacity of about 1.5 million tonne per annum. Targeted for commissioning by FY28, the terminal is expected to strengthen distribution and improve market reach across Gujarat.

Premium products remained a key growth driver, with premiumisation improving by 300 basis points year on year to 43 per cent in FY26. The company said its Nuvoco Concreto and Nuvoco Duraguard brands continued to gain traction, while the RMX and MBM businesses also recorded momentum across key product segments. 

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BMC Cement Concretisation Cuts Pothole Repairs By 70 Per Cent

Project worth Rs 170 billion (Rs 170 bn) aims to concretise 1,900 km by 2027

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The Brihanmumbai Municipal Corporation’s cement concretisation project, valued at Rs 170 billion (Rs 170 bn), has reduced expenditure on pothole repairs by 70 per cent over three years. Spending on repairs fell from Rs 2.02 billion in 2023–24 to Rs 1.56 billion in 2024–25 and then to Rs 890 million (Rs 890 mn) in 2025–26. The current tender is expected to be about Rs 440 million, representing a further 50 per cent reduction.

The project is being executed in two phases, with Phase I covering 307 km from October 2023 and Phase II covering 370 km from October 2024. The Indian Institute of Technology is auditing Phase II and will now also audit Phase I to ensure quality and accountability. Mumbai’s total road network spans approximately 2,050 km, of which about 1,200 km had been converted to cement concrete before 2022.

Since 2022 an additional 677 km were taken up for concretisation and nearly 71 per cent of that work, amounting to 481 km, has been completed. Municipal officials indicated that 10–15 per cent of the remaining work is expected to be completed by May 2026 and another 10 per cent by December 2026. The entire programme is scheduled for completion by May 2027, by which time nearly 1,900 km of Mumbai’s roads are expected to be fully concretised.

The administration has also developed a real time dashboard that displays detailed information about contracts, contractors and progress and citizens can access the latest updates online. The dashboard includes contact details for the civic officials and contractors responsible for particular roads to enhance transparency and accountability. The commissioner directed that ongoing works be completed by 31 May ahead of the monsoon to safeguard completion targets and minimise disruption.

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