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Boiler continuous blowdown expansion vessel

Overview

The continuous blowdown expansion vessel of the boiler is also called continuous blowdown expander, which is connected to the continuous blowdown port of the boiler. It is used to reduce the pressure of the continuous blowdown of the boiler and expand the capacity. Waste hot water is expanded, depressurized, and heat exchanged in the expander, and then discharged. The secondary steam is drawn out through a special pipe. The waste hot water is automatically removed through the float ball level valve or the overflow regulating valve. The heat energy can be obtained. Recycling. The continuous sewage discharge volume is automatically adjusted with the change of boiler feed water load to maintain a relatively stable sewage discharge rate.

Therefore, the use of secondary steam and waste hot water as heat sources can recover the heat lost by continuous blowdown of some boilers and improve boiler efficiency.

SVLZ type ion exchanger

work process

The sewage from the boiler is continuously and evenly connected to the sewage expansion container. The sewage is tangentially moved in the cylindrical partition in the middle of the shell and immediately vaporized into secondary steam. Then, the deaerator is introduced through the outlet at the top of the row, and the remaining sewage is discharged through the water level regulating valve.

Precautions

Selection

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