boiler preservation procedure for thermal plants

Air scaling coefficient α (not on predetermined criteria)? A: According to GB / T16157-1996 "emissions from stationary sources of particulate matter and gaseous pollutants measured sampling methods", SO2 emission concentration of boiler preservation procedure for thermal plants should be converted into the measured excess air coefficient α = 1.8 at a concentration of emission.

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Boiler gas supply system generally supply duct inlet means, gas piping system and a boiler preservation procedure for thermal plants room emission purging conduit and other components. Some requirements are as follows:

1) from the boiler room to the gas pressure regulating stations gas pipeline (gas introduction tube boiler), except when special requirements need to consider the production of the outer gas tube double, generally single gas pipe. When gas double pipe, each pipe capacity by gas boiler 70% of the total gas consumption is calculated.

2) When the intake pressure regulating device in more than 0. 3MPa, and larger than the surge, large noise may be generated, in order to avoid the noise transmitted along the duct to the rear gas boiler room, the regulator means 10 to suitable 15m section of pipeline laid underground to take.

3) gas is introduced from the outside manifold gas boiler room, the total should be installed at the inlet shut-off valve, a gas-flow direction, the valve should be installed before the vent pipe, and a sampling port mounted in the vent pipe should be installed after the purge valve joints.

Gas boiler preservation procedure for thermal plants cleaning has obvious environmental qualities, at this stage of use coverage is very broad. We found that, once the clean-up work is not in place, resulting in the boiler thermal effects will greatly reduce the accumulation of scale. Under this situation in order to ensure adequate heating capacity then only continue to raise the temperature of the fire, which is increase fuel consumption resulting in a waste of resources.

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