Ke to Shanghai power station auxiliary equipment manufacturing co., LTD
Address: new highway 12, jiading district, Shanghai cao
phone：15900892286
Contact: manager zhu
email：kenengdianzhan-sh@163.com
url：www.shkndz.cn |
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Temperature reducing device |
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Temperature reducing device
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（一）review
Cooling device adopts a venturi structure, cooling water from the nozzle spray into the mixed pipes, the nozzle of warm water from the steam absorption of heat, temperature, evaporation, mixed with steam to reduce temperature of steam.
This classic cooling device structure, high reliability, long service life, simple maintenance, and is suitable for most of the cooling conditions.
（二）Design parameters
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system
composition
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parameters
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Cooling section
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1.Imported steam temperature
：T1≤ 540 ℃
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Steam mixing pipe
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2.Export steam flow
：30%Q~100%Q
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Flute type nozzle
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3.Outlet steam temperature: outlet steam temperature regulation accuracy is not lower than T2
2.5level
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Water supply part
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4.Noise: when the equipment normal operation, the pipe wall in meters measuring the noise, the step is not greater than 85 db noise
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Reduction of warm water regulator
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Globe valve
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The basic design
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The check valve
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Design criteria
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《NB/T47033-2013》Desuperheating decompression device
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Throttle valve
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The filter
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Design pressure
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According to the actual design pressure
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The control part
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Bimetallic thermometer
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Design temperature
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Design temperature
≤ 540 ℃
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Thermal resistance, thermocouple, temperature transmitter
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Connection accessories
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Design size
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Steam outlet
DN200 to DN700 (8" to 28")
Or according to customer's requirement
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Companion flange, elbow, fasteners, etc
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Drive way
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Electric actuators
，Pneumatic actuators
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installation
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Horizontal installation
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The connection method
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Flange, welding
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