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how to solve the over pressure problem of the coal fired steam boiler

Date: 05-27-2014 Author: ailsa from ZG boiler

the overpressure  problem of the coal fired boiler is very common.The forms of boiler’s overpressure : steam-boiler.jpg

steam-boiler.jpg

1.The pressure rises rapidly and surpass the designed allowing pressure. At the moment, the pointer of the pressure indicator runover the red line.

2.The boiler’s overpressure interlock device send alarming signal.

3.The steam temperature reduced while the the steam flow increased. The solution of the problem

1.Weaken or extinguish the flame, increase the fuel feeding and air (the boiler with an interlock can automatically stoped it.)or start the safe valve system.

2.Increase the feed water and strengthen the pollution discharging method. (keep the water at a normal level)

3. If the safe valve does not work or the pressure gage, the boiler should stopped immediately.

4.When the boiler is overpressure, depressurization method should be adopted. And the speed should not too slow. After the overpressure problems solved, the boiler should stop to protect the boiler. Such boiler parts as boiler body, assessory should be inspected.

Keyword: Industry steam boiler,

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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 )

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

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Total Annual Sales Volume:US$100 Million

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Source: http://www.zgsteamboiler.com/news/196.html

Pre:  The reasons for stoping the steam boiler urgently

Next:  The measures for safe operation of the steam boiler

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