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Help CenterHigh-Pressure Stainless Steel Pillow Plate Heat Exchanger for Geothermal Power Plant, 304 SS, 20 Bar
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As a leading manufacturer with over 25 years of experience (established in 1998), Anping County Boli Hardware Wiremesh Products Factory proudly presents our High-Pressure Stainless Steel Pillow Plate Heat Exchanger — specifically engineered for demanding geothermal power plant applications. This heat exchanger is constructed from premium 304 stainless steel and rated for 20 Bar operating pressure, ensuring reliable performance under extreme thermal and mechanical stress. Our factory has exported over US$5 million annually to global markets including North America, Europe, and Southeast Asia, delivering robust solutions for renewable energy projects.
The pillow plate design offers superior heat transfer efficiency compared to traditional shell-and-tube or gasketed plate exchangers, with a compact footprint and easy maintenance. Each unit is fully customizable to meet your specific flow rates, temperature gradients, and space constraints. We combine advanced CNC welding technology with rigorous quality control to ensure zero leakage and long service life.
Key Features & Technical Specifications
- High Pressure Resistance: Designed for 20 Bar (290 PSI) working pressure, with hydraulic test up to 30 Bar.
- Corrosion Resistance: 304 SS provides excellent resistance to geothermal fluids containing chlorides, sulfides, and other aggressive ions.
- Efficient Heat Transfer: Pillow-shaped embossed channels create turbulent flow, reducing fouling and improving overall heat transfer coefficient (U-value up to 3000 W/m²·K).
- Compact Design: Up to 40% smaller footprint than equivalent shell-and-tube exchangers, ideal for limited space in power plants.
- Easy Maintenance: Modular pillow plate design allows quick disassembly and cleaning without special tools.
- Customizable Flow Configuration: Counterflow, parallel flow, or multi-pass arrangements available.
- Welded Seam Integrity: Full penetration TIG welding with 100% visual and optional dye penetrant inspection.
| Parameter | Specification |
|---|---|
| Material | SS304 (UNS S30400) |
| Design Pressure | 20 Bar @ 150°C (optional higher pressure available) |
| Design Temperature | -20°C to +250°C (customizable range) |
| Plate Thickness | 1.5 mm – 3.0 mm (customizable) |
| Connection Sizes | DN15 – DN300 (flanged/threaded as per request) |
| Heat Transfer Area | 0.5 m² – 100 m² per unit (customizable) |
| Surface Finish | 2B mill finish standard; No. 4 polish or passivation optional |
| Certifications | Manufactured per industry standards; third-party inspection welcome |
Why Choose Our Pillow Plate Heat Exchanger for Geothermal Plants?
Geothermal power generation requires heat exchangers that can withstand high temperatures, corrosive brines, and frequent thermal cycling. Our pillow plate design excels in these conditions:
- Minimized Fouling: The pillow-shaped channels induce turbulence that prevents scale deposition, reducing cleaning intervals by up to 50%.
- Low Pressure Drop: Optimized flow paths keep pressure loss below 1.5 Bar at rated flow, saving pumping energy.
- Flexible Installation: Can be mounted horizontally or vertically, with supports designed for your site.
- Quick Delivery: Standard sizes ship within 2 weeks; custom designs within 4–6 weeks.
Frequently Asked Questions (FAQ)
1. What is the maximum operating temperature for this heat exchanger?
The standard design temperature is up to 250°C. For higher temperature requirements (up to 400°C), we can use 316L or 310S stainless steel – please inquire.
2. Can this product handle geothermal brine with high chloride content?
Yes, 304 SS offers good resistance to moderate chloride levels. For highly aggressive brines (e.g., >1000 ppm Cl⁻), we recommend 316L or duplex stainless steel options.
3. How is the pillow plate heat exchanger cleaned?
The unit can be cleaned by backflushing or chemical cleaning (CIP). For heavy fouling, the plates can be disassembled and mechanically cleaned.
4. What is the warranty period?
We offer a standard 12-month warranty against manufacturing defects. Extended warranties are available upon request.
5. Can you provide custom sizes and flow patterns?
Absolutely. We can customize plate dimensions, port locations, and flow arrangement (counterflow, parallel, multi-pass) to match your process requirements.
6. Is hydrostatic testing performed before shipment?
Yes, every unit is hydrostatically tested at 1.5 times the design pressure (30 Bar) to ensure leak tightness. A test certificate is provided.
7. What are the typical lead times?
Standard sizes: 2–3 weeks. Custom designs: 4–6 weeks. Rush orders are possible with prior arrangement.
8. Do you provide installation and commissioning support?
We offer remote technical support and can provide on-site guidance at additional cost. Detailed installation manuals are included with each order.
Backed by 25+ years of manufacturing excellence and annual exports exceeding US$5 million to over 15 countries, Anping County Boli Hardware Wiremesh Products Factory is your trusted partner for critical heat transfer equipment. Our pillow plate heat exchangers are already deployed in geothermal projects across North America, Europe, and Southeast Asia, delivering reliable performance with minimal downtime. We invite you to discuss your specific requirements — contact our engineering team today for a tailored solution that maximizes your plant’s efficiency.
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