The pillow plate wide channel heat exchanger is a new-generation heat transfer device. It features a wide channel plate design, with each plate formed by laser welding of two steel sheets in an oxygen free environment and then expanded by pneumatic bulging. The compact construction delivers superior heat transfer performance compared with conventional tubular heat exchangers.
Key Features
1. Higher Heat Transfer Efficiency
The plate flow channels induce forced turbulence in the medium, significantly improving the heat transfer coefficient over that of traditional designs.
2. Lower Flow Resistance
The unique plate geometry reduces the medium flow resistance to approximately half that of a tubular exchanger, effectively cutting pumping energy consumption.
3. Anti‑Fouling and Self-Cleaning
There are no stagnant zones; the medium evenly sweeps the plate surfaces, providing a self‑cleaning effect. For maintenance, cleaning is easily done with steam, instrument air, or compressed air blowing.
4. Extended Service Life
The plate design distributes the flow evenly, reducing localised impact and erosion on the plate faces, thus prolonging equipment life.
5. Compact Footprint
For the same duty, the pillow-plate exchanger occupies much less floor space than conventional exchangers, making it ideal for space‑constrained installations.
6. Easy Local Replacement
Individual plates can be dismantled and replaced independently, lowering long‑term operating and maintenance costs.
Applicable Materials
| Category | Specific Materials |
| Stainless steels | SUS304, SUS316, 316L |
| Other materials |
ND steel (sulphuric acid dew point corrosion resistant steel), carbon steel |
| Selection note | Materials can be flexibly chosen according to the corrosivity and temperature requirements of the process medium. |
Typical Application Scenarios
Heat recovery systems (industrial waste heat, exhaust gas recovery)
Heating and cooling processes in chemical, pharmaceutical, food and other industries
Boiler auxiliaries and condensate recovery systems
Media containing particulates or prone to fouling (e.g., wastewater, slurries)-leveraging the self-cleaning and anti-clogging advantages
New or retrofit projects with limited space - thanks to the small footprint and flexible installation
Service and Supply Advantages
Modular skid-mounted supply: Pre-assembled in the factory for rapid site installation, significantly shortening construction time and reducing labour and installation complexity.
Full-lifecycle service: Each project is assigned a dedicated project manager and execution team, providing customised solutions and comprehensive after-sales support.
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