Four-Circuit Waste Heat Recovery Unit for Industrial Hot Water
80℃、95℃ Four-Circuit Waste Heat Recovery Unit for Industrial Hot Water are engineered with four independent circuits and R134a refrigerant for food processing and chemical applications. Linuo Ritter delivers COP 5.45 efficiency by capturing 10-60°C waste heat to generate 85°C hot water with zero fuel cost.
1. Four independent circuits
2. Ultra-high energy efficiency ratio (COP) 5.45
3. Zero fuel cost operation
4. Intelligent shift control
5. Environmentally friendly refrigerant
6. Outputs 85℃/95℃ hot water
Parallel operation from single to four-unit system; complete redundancy
Auto-adjusts energy loading based on thermal demand changes
Utilizes 10-60°C industrial waste heat as free energy source
Ensures reliable stable operation, prevents production losses
R134a for 85°C output / R515B for 95°C high-temp version
| Model | NT-WS-400NGW | NT-WS-260NGW | |
| Nominal operating conditions （A20W120） | Heating capacity kW | 400 | 260 |
| Input power kW | 73.4 | 98.8 | |
| COP | 5.45 | 2.63 | |
| Maximum input power (kW) | 109 | 106 | |
| Maximum input current (A) | 190 | 178 | |
| Power supply type | 380V/3N~/50Hz | 380V/3N~/50Hz | |
| Rated outlet water temperature (°C) | 60 | 90 | |
| Maximum outlet water temperature (°C) | 80 | 95 | |
| Noise level (dB/A) | 70 | 70 | |
| Electric shock protection class | I | I | |
| Protection level | IPX4 | IPX4 | |
| Refrigerant | R134a | R515B | |
| Charge (kg) | 10*4 | 10*4 | |
| Water side resistance (kPa) | ≤80 | ≤50 | |
| Circulation pipe dimensions | DN80*2/DN100*2 | DN80*2/DN100*2 | |
| Dimensions (L*W*H) (mm) | 1900*1600*2000 | 1900*1600*2000 | |
| Gross weight (kg) | 2000 | 2000 | |
| Applicable temperature range (°C) on waste heat side | 10-50 | 10-50 | |
| Nominal operating conditions: NT-WS-400NGW: 45°C (waste heat) and 60°C (heating temperature); NT-WS-260NGW: 45°C (waste heat) and 95°C (heating temperature). The inlet and outlet water temperature differential is 5°C. |
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Waste Heat Recovery Unit Description
Our industrial heat exchanger manufacturer produces high-COP waste heat capture systems featuring four independent circuits and intelligent shift control.
For bulk supply to dyeing and slaughterhouse factories, this energy recovery unit generates 85°C/95°C hot water from production waste heat, cutting operating costs 70% versus gas boilers via R134a/R515B eco-refrigerant technology.
High-COP Recovery System Benefits
- Ultra-High Efficiency: COP up to 5.45 — industry-leading performance
- Zero Fuel Consumption: Uses free waste heat, eliminates coal/gas/oil costs
- No Carbon Emissions: Supports carbon neutrality, zero combustion pollution
System Reliability: Four-circuit redundancy — no single point of failure - Smart Operation: Automatic load matching, reduces unnecessary energy use
- Compact Footprint: 1900×1600×2000mm, easy installation and maintenance
Long Service Life: High-quality components, 15+ years durability
Application
| Industry | Waste Heat Source | Hot Water Application | Key Benefit |
| Food Processing | Cooking, sterilization waste heat | Equipment cleaning, pre-heating | Zero fuel cost, COP 5.45 |
| Dyeing Industry | Dyeing machine cooling water | Process heating, fabric washing | 80°C stable output |
| Chemical Plants | Reactor cooling, condensate | Equipment cleaning | Recovers 10-50°C low-grade heat |
| Slaughterhouse | Refrigeration waste heat | Carcass washing, cleaning | 95°C high-temp R515B option |
| Beverage Industry | Pasteurization cooling | Bottle washing, CIP systems | Eco-friendly operation |
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