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The blowdown method and requirements of steam boiler

Date: 05-16-2014 Author: ailsa from ZG boiler

Many users ignore that the steam boiler needs to discharge the waste frequently. Because the waste discharge can help prolong the boiler’s service life.let’s share som experience on waste discharging. 1.continuous blowdown:

Continuous blowdown is also called surface blowdown which means the fireman continuously discharge the boiler water of high concentration. To do it is to decrease the the saltness and the basicity and to discharge the oil and the foam of the water. periodic blowdown


It is also called intermittent blowdown. It is an effective way to discharge the dirt and other sediment. Furthermore,the periodic blowdown can rapidly adjust the concentration of the boiler water.and the small boiler only has periodic blowdown device. The blowdown requirement:

The blowdown method and requirements of steam boiler

The blowdown quality not only depends on the amount of the waste,the discharging method and the but also the discharging

1.requirements.the major requirements are as follows :

frequent blowdown; this method is especially for intermittent blowdown,when using this method, short-time and frequent blowdown is more effective than one long-time one.

2.Discharge little for a time :

3.When the discharging time increase ,the volume will decrease .in this way, it will not effect the steam supply, and can also ensure boiler water quality.

balanced blowdown: it means the interval of the blowdown is equal,and the water quality is in a balanced state.

4.Under load blowdown

Because of the slow speed of water circulation, the waste easily sank down in which state it is more effective to conduct periodic blowdown. Blowdown plays an important role in steam boiler operation so that the boiler works smoothly

Keyword: Industry steam boiler,steam boiler,boiler blowdown

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Established:In 1945

Number of Employees:above 1500 People

Our products:industrial horizontal steam boiler and hot water boiler(biomass boiler, gas boiler, oil boiler, coal boiler, etc), CFB boiler, power plant boiler, waste heating recovery boiler, Pressure Vessel(AAC autoclave, Curing tank,etc )

Factory Size (Sq.meters):400,000 square meters

Factory Location:Factory 1: Zhengzhou,,Henan, China. Factory 2: Xingyang,Henan,China

Number of R&D Staff:376 people

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