Boiler blow-down water comprehensive utilization device

A boiler blowdown and blowdown expansion technology, which is applied in boiler cleaning devices, indirect carbon dioxide emission reduction, combustion methods, etc., can solve problems such as heat pollution and energy waste, and achieve the effects of avoiding pollution, improving efficiency, and saving heat energy

Inactive Publication Date: 2016-07-06
GUANGXI UNIV
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

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Problems solved by technology

Originally designed for direct discharge, a large amount of waste water is discharged into the sewage pipe network with a large amount of heat every day, causing a lot of energy waste and heat pollution

Method used

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  • Boiler blow-down water comprehensive utilization device

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Embodiment Construction

[0010] Such as figure 1 As shown, a boiler sewage comprehensive utilization device includes a boiler 1, a first pipeline 2, a second pipeline 3, a third pipeline 4, a fourth pipeline 5, a first regulating valve 6, a steam trap 7, and a fifth pipeline 8 , the sixth pipeline 9, the second regulating valve 10, the seventh pipeline 11, the third regulating valve 12, the sewage expansion vessel 13, the eighth pipeline 14, the first ball valve 15, the ninth pipeline 16, the second ball valve 17, the cooling pool 18. Tenth pipeline 19, first gate valve 20, first pump 21, first check valve 22, eleventh pipeline 23, second gate valve 24, second pump 25, second check valve 26, twelfth Pipeline 27, raw water filter tank 28 and the thirteenth pipeline 29.

[0011] One end of the first pipeline 2 is connected to the boiler 1 , and the other end is connected to the third pipeline 4 , which is used as a continuous sewage discharge pipe and mainly discharges unqualified water to the sewage e...

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Abstract

The invention provides a boiler blow-down water comprehensive utilization device. One end of a first pipeline and one end of a second pipeline are connected with a boiler. The other end of the first pipeline and the other end of the second pipeline are connected with one end of a third pipeline. The other end of the third pipeline is connected with a blow-down flash tank. One end of a fifth pipeline is connected with the blow-down flash tank. The other end of the fifth pipeline is provided with a drain valve. One end of a fourth pipeline, one end of a sixth pipeline and one end of a seventh pipeline are all connected with the fifth pipeline. The other end of the fourth pipeline, the other end of the sixth pipeline and the other end of the seventh pipeline are provided with a first adjusting valve, a second adjusting valve and a third adjusting valve correspondingly. One end of a ninth pipeline is connected with the blow-down flash tank. The other end of the ninth pipeline is connected with a cooling tank. A second ball valve is mounted on the ninth pipeline. One end of an eleventh pipeline is connected with the cooling tank, and the other end of the eleventh pipeline is connected with one end of a twelfth pipeline. A second gate valve, a second pump and a second check valve are mounted on the eleventh pipeline. The other end of the twelfth pipeline is connected with one end of a raw water filtering basin. The other end of the raw water filtering basin is connected with a thirteenth pipeline. By adopting the boiler blow-down water comprehensive utilization device, recycling of hot waste water can be realized, pollution is avoided, and thermal energy is saved.

Description

technical field [0001] The invention relates to a comprehensive utilization device for boiler sewage. Background technique [0002] The pure gas-fired boiler of the gas-fired power plant uses the blast furnace and converter gas of the iron and steel plant as the fuel medium. During the operation, in order to remove the salinity and sediment in the furnace water, the unqualified water is discharged to the sewage expansion through continuous sewage and regular sewage pipelines. device. Originally designed for direct discharge, a large amount of waste water is discharged into the sewage pipe network with a large amount of heat every day, causing a lot of energy waste and thermal pollution. Contents of the invention [0003] The technical problem to be solved by the present invention is: to provide a comprehensive utilization device for boiler sewage, which realizes waste heat recovery and utilization of sewage, recycles sewage, avoids pollution, and saves heat energy. [00...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): F22B37/54F23L15/00
CPCY02E20/34
Inventor 祁绍杰
Owner GUANGXI UNIV
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