ZQ-PW Series Continuous Blowdown Flash Tank (LP Series)
Recovers flash steam and high-temperature waste heat from boiler continuous blowdown water, producing low-pressure steam as a byproduct for deaerator heating or space heating, significantly reducing boiler room energy consumption. In Northeast China, it can be paired with a warm air unit to use flash steam to preheat boiler inlet air, solving the cold air thermal shock issue during winter.
产品特性
产品描述
ZQ-PW Series Continuous Blowdown Flash Tank
Boiler blowdown water temperature reaches as high as 170-200°C, containing a large amount of thermal energy. The continuous blowdown flash tank utilizes the flash evaporation principle to recover and reuse the heat from blowdown water in the form of low-pressure steam, making it an essential energy-saving equipment for boiler rooms.
Working Principle
When high-pressure saturated blowdown water enters the low-pressure vessel, it instantly flash evaporates. The resulting flash steam is transported through the upper steam-water separator to the deaerator or thermal system. The entire process consumes zero power and is purely physical recovery.
Selection Parameters
| Model | Volume | Design Pressure | Applicable Boiler | Flash Steam Output |
|---|---|---|---|---|
| ZQ-PW0.5 | 0.5m³ | 0.7MPa | 1-2t/h | ≈60-120kg/h |
| ZQ-PW1.0 | 1.0m³ | 0.7MPa | 2-4t/h | ≈120-250kg/h |
| ZQ-PW2.0 | 2.0m³ | 0.7MPa | 4-8t/h | ≈250-500kg/h |
| ZQ-PW3.5 | 3.5m³ | 0.7MPa | 8-15t/h | ≈500-900kg/h |
Northeast Application: A brewery in Harbin introduced flash steam into the warm air system to preheat boiler inlet air (winter -25°C), eliminating cold air thermal shock and saving over 60,000 RMB in annual fuel costs.
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