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What determines the adjustment of the drum’s fixed discharge volume?

2016-12-11View Original

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What determines the number of startups and the drainage volume for the medium-pressure steam drum’s fixed drainage? Based on which data from water quality analysis should adjustments be made?
Reply #22016-12-11
What causes the water in the drum to turn black?
Reply #32016-12-11
Conductivity, sulfate, and pH are adjusted according to the dosage of chemicals added
Reply #42016-12-12
 1. Continuous discharge: Water is removed from the part of the circulation loop where the salt concentration in the boiler water is highest, in order to maintain the specified salt concentration in the boiler water.   2. Regular blowdown: During operation, it is necessary to carry out regular blowdown of chain-grate hot water boilers at specified intervals. The purpose of this is mainly to compensate for the deficiencies resulting from continuous blowdown, to remove the sediments in the boiler water from the lower header, to improve the quality of the boiler water, and to ensure that the boiler operates at its optimal condition.
Reply #52016-12-12
Based on the boiler water parameters: we generally analyze pH, alkalinity, and phosphate content
Reply #62016-12-12
How long has it been since you last discharged waste? You need to replace the boiler water like this; otherwise, can you use your steam?
Reply #72016-12-14
In each of our classes, 20% of the drum liquid level is controlled using a fixed setting, and the continuous drainage is kept active at all times
Reply #82016-12-14
The water color turns black when waste water is discharged from the drum into the fixed-discharge tank; is this related to the addition of alkali to the drum?

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