Condensate Polishing Units (CPU) / Boiler Blowdown Recovery
Our Condensate Polishing Units (CPU) use deep-bed mixed resin and cation polishers to remove trace ionic contaminants, corrosion products (iron, copper), and silica from steam condensate in power plants and industrial boilers. This allows condensate to be recycled directly back to the boiler feed system, saving energy and reducing make-up water consumption.
Boiler Blowdown Recovery systems recover heat and water from continuous or intermittent blowdown streams, reducing thermal energy loss and water wastage. Techno Aid Inc provides flash vessel, heat exchanger, and filtration-based blowdown recovery skids tailored for thermal power, cogeneration, and process steam plants.
Key Features & Benefits
- Mixed bed and cation resin polishers for ultra-pure condensate
- Removes iron, copper, silica, and ionic contaminants
- Reduces boiler feed water makeup by up to 80%
- Flash vessel and plate heat exchanger for heat recovery
- Automatic regeneration with conductivity-based endpoint detection
- Designed for thermal power, cogeneration, and process steam plants
- Reduces chemical consumption in boiler feed treatment
- PLC-controlled with online conductivity and silica monitoring
Technical Specifications
| Parameter | Specification |
|---|---|
| System Type | CPU (Condensate Polishing Unit) + Blowdown Recovery |
| Resin Type | Deep-bed mixed resin / Cation polisher |
| Product Conductivity | < 0.1 µS/cm |
| Silica (Product) | < 10 ppb |
| Regeneration | Automatic (conductivity-triggered) |
| Blowdown Recovery | Flash vessel + plate HEX + filtration skid |
| Heat Recovery | Up to 90% of blowdown heat |
| Capacity | 500 LPH to 50 KLH |
| Automation | PLC / HMI with SCADA |
| Applications | Thermal power, cogeneration, process boilers |
Industries & Applications
How It Works
Steam condensate returns from turbines or heat exchangers and passes through the CPU. A cation polisher first removes cationic contaminants (iron, copper, ammonium). The mixed bed unit then removes all residual ions to achieve ultra-pure condensate (< 0.1 µS/cm conductivity). Conductivity monitors trigger automatic regeneration when resin approaches exhaustion. In the blowdown recovery skid, hot blowdown water flashes to steam in a flash vessel, recovering low-pressure steam for reuse. Residual water is cooled through a heat exchanger and recycled to the feed system.