Waste Heat Recovery Systems

 Maximize Kiln Efficiency with Advanced WHRPP Technology

Transform wasted thermal energy from preheater cyclones and clinker coolers into a sustainable power source. Our indigenous, award-winning technology allows cement manufacturers to recover vast amounts of heat typically rejected into the atmosphere, even after satisfying raw mill and coal drying requirements.

• Customized Energy Conversion: Systems are designed to accommodate seasonal fluctuations in temperature for raw, coal, and slag mills without impacting existing equipment.
  
• High Performance in Harsh Conditions: Our patented designs specifically overcome challenges like extremely high dust loads (up to 120 gm/Nm³), sticky/abrasive dust, and limited plant space.
  
• Significant Power Offset: Fulfill 28% to 35% of your plant’s total power demand through zero-emission generation.
  
• Operational Integration: Seamlessly integrates with running plants using existing fan pressure drop allowances, ensuring no adverse impact on kiln fuel consumption.
  
• Smart Monitoring: Features "Online Real-Time" performance tracking for continuous oversight of vital metrics.

Reliable Power Generation for High-Temperature Glass Melting

Glass melting furnaces operate at extreme temperatures, often wasting significant energy through stack exhaust despite recuperation efforts. Our specialized Waste Heat Recovery Power Plants (WHRPP) turn these 400°C–500°C exhaust gases into a competitive advantage.

• Turnkey Energy Versatility: Generate electricity via Steam or Organic Rankine Cycles (ORC), or utilize heat for heavy fuel oil heating, chilling, and wastewater recycling.
  
• Zero Downtime Installation: Engineered to be installed without stopping furnace operations, ensuring continuous production.
  
• Fouling Resistance: Advanced online cleaning mechanisms prevent the sticky and corrosive dust found in glass flue gas from affecting heat transfer surfaces.
  
• Automated Safety: Equipped with a fully automatic bypass system and precision controls to maintain accurate furnace pressure levels at all times.
  
• Multi-Furnace Synergy: Consolidate waste heat from multiple furnaces into a single, centralized power plant for maximum ROI.

Stabilizing Fluctuating Heat Sources for Constant Power Output

Steel manufacturing involves diverse processes—from Electric Arc Furnaces (EAF) to Sinter Coolers—that present unique thermal challenges. Our technology is specifically engineered to provide a steady energy output despite the highly fluctuating temperatures and gas flows inherent in steel production.

• Specialized EAF Solutions: Patented technology designed to handle high dust-laden gases from Electric Arc and Energy Optimizing Furnaces.
  
• Continuous Generation: Systems ensure steady power generation even during furnace idle times, improving overall plant productivity.
  
• Diverse Applications: Beyond electricity, systems can provide industrial chilling (+6°C) or deep refrigeration (-60°C).
  
• Scalable Implementation: Projects can be executed in phases to align with plant expansion or budgetary cycles.
  
• Advanced Control: State-of-the-art instrumentation ensures simple, fully automatic operation with minimal maintenance.
  

 Innovative Heat Capture for Tunnel and Shuttle Kilns

The ceramic industry faces the unique challenge of recovering heat from cyclic, batch-type operations and low-temperature exhaust gases. Our solutions provide a centralized point for heat collection, transforming kiln exhaust into a valuable resource.

• Fuel Consumption Savings: Re-utilize captured heat for combustion air preheating to directly reduce primary fuel costs.
  
• Specialized for Low Temp: Optimized for Organic Rankine Cycle (ORC) electricity generation, which is ideal for the temperature profiles of ceramic sintering furnaces.
  
• Process Integrity: Fully automatic bypass systems and air-ingress management ensure that the heat recovery process never compromises kiln safety or product quality.
  
• Sustainability & Credits: Reduce CO2 emissions and qualify for Carbon Credits while supporting global sustainable development initiatives.
  
• Ease of Maintenance: Includes online cleaning arrangements to avoid any WHRS-related downtime.

 Efficiency Solutions for Smelters and Baking Furnaces

Integrated Aluminium plants can significantly lower their energy footprint by capturing heat from melting and anode baking furnaces. Our systems are designed to help producers meet strict energy reduction guidelines and improve their bottom line.

• PAT Guideline Compliance: Directly contributes to meeting "Perform, Achieve, and Trade" (PAT) targets by reducing energy input per unit of production.
  
• Flexible Application Suite: Use recovered heat for power (Steam/ORC), refrigeration, wastewater recycling, or combustion air preheating.
  
• Handling Cyclic Loads: Custom engineering accounts for the batch-type nature of aluminium furnaces and potential air ingress.
  
• Centralized Recovery: Combine exhaust from multiple sources into a common WHRPP to achieve better economies of scale.
  
• High Lifecycle Earnings: Designed for the lowest payback periods and long-term durability in demanding smelter environments.

Turning Engine Rejection into Clean Secondary Power

Reciprocating engine-driven gen-sets reject approximately 28% to 35% of their fuel energy through exhaust gases. For installations of 12 MW and above, our secondary power generation systems make heat recovery an exceptionally viable investment.

• Dual-Source Recovery: Capability to tap into both exhaust gas heat and engine jacket water heat for maximum thermal efficiency.
  
• Optimized Output: Systems include economizers to enhance thermal output and can generate steam, hot oil, hot air, or hot water.
  
• Zero Risk to Engines: Operates well below the manufacturer’s back-pressure allowances, ensuring no adverse effects on engine performance or longevity.
  
• Water Conservation: Optional air-cooled systems are available for water-scarce regions to save vital resources.
  
• Modular Construction: Designed for quick installation with fully automatic controls for "hands-off" operation

 Advanced Cogeneration and Quintuple Generation Plants

Gas turbines reject up to 60% of their fuel energy through exhaust. We offer high-efficiency WHRPP solutions that convert this massive thermal loss into electricity or process energy, achieving world-class efficiency levels.

• Pioneering "Quintuple" Generation: Ability to design integrated cogeneration plants that simultaneously produce five energy forms: Electricity, Thermal Oil, Chilling, Steam, and Wastewater Recycling/Spray Drying.
  
• Cycle Optimization: Choose between Steam Rankine or Organic Rankine Cycles based on your specific exhaust temperature profile.
  
• Modular Speed: Systems utilize modularized construction to significantly reduce on-site installation time and minimize plant disruption.
  
• Safety First: A fully automatic bypass system ensures the gas turbine remains protected during any abrupt WHRS shutdowns.
  
• Enhanced Productivity: Specifically designed to reduce energy costs per unit of production, leading to attractive lifecycle earnings.