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Ammonia process desulfurization tower smoke white eliminating structure and running method thereof

The technology of ammonia desulfurization and desulfurization tower is applied in the field of flue gas desulfurization, which can solve the problems of affecting the stability of cooling efficiency and whitening system unit, affecting the efficiency of flue gas whitening, failing to achieve cooling effect, etc. Good heat exchange effect and stable work effect

Pending Publication Date: 2019-10-08
CHINA UNITED ENG
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

This method has great disadvantages. During the actual operation of the steam-driven absorption heat pump unit, its boundary parameters, such as the temperature and flow rate of the inlet water of the heat source, the driving steam pressure and the degree of superheat, etc., are affected by various internal and external factors. The operating condition of the absorption heat pump unit deviates far from the design condition, and the original cooling effect cannot be achieved, thus affecting the efficiency of flue gas whitening; Impurities may block and corrode the heat exchanger, affecting cooling efficiency and unit stability of the whitening system

Method used

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  • Ammonia process desulfurization tower smoke white eliminating structure and running method thereof
  • Ammonia process desulfurization tower smoke white eliminating structure and running method thereof
  • Ammonia process desulfurization tower smoke white eliminating structure and running method thereof

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Embodiment Construction

[0024] The present invention will be further described in detail below in conjunction with the accompanying drawings and examples. The following examples are explanations of the present invention and the present invention is not limited to the following examples.

[0025] see Figure 1-Figure 3 , the embodiment of the present invention includes a desulfurization tower 1, a filter 12, an air heat exchanger 13, a plate heat exchanger 14, a circulating aqueous solution bypass pipe 15, a water washing circulation tank 16, a demister flushing water pump 17, a water washing circulation pump 18, Steam heater 19, centrifugal fan 20, power plant waste heat steam pipeline 21, power plant cooling tower reservoir 22, self-priming tank 23, cooling water pump 24, cooling water pipeline 25, drainage pit 26, hot air pipeline 28, circulating water solution pipeline 29 And power plant steam pipeline 30.

[0026] The desulfurization tower 1 is provided with an oxidation section 2, a prewashing ...

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Abstract

The invention provides an ammonia process desulfurization tower smoke white eliminating structure and a running method thereof. The investment is lower, running is more stable, the method is simpler,the white eliminating efficiency is high, the ammonia process desulfurization tower smoke white eliminating structure can be used in an existing ammonia process desulfurization tower device, and whiteeliminating transformation is conducted on the basis that an original ammonia process desulfurization tower structure is not changed. A circulation water solution pipeline is connected with a water washing circulation groove and a filter, the filter is connected with an air heat exchanger, the air heat exchanger is connected with a plate heat exchanger, and the plate heat exchanger is connected with the water washing circulation groove. The water washing circulation groove is connected with a water washing circulation pump and a demister flushing water pump. A cooling water pump is connectedwith a self-suction tank and a cooling water pipeline, and the cooling water pipeline is connected with the plate heat exchanger. A centrifugal draught fan is connected with the air heat exchanger, the air heat exchanger is connected with a steam heater, and the steam heater is connected with a hot air pipeline.

Description

technical field [0001] The invention relates to an ammonia method desulfurization tower flue gas whitening structure and an operation method thereof, which are used in the field of flue gas desulfurization. Background technique [0002] Due to the fast reaction rate of ammonia desulfurization, high utilization rate of absorbent, 95-99% desulfurization efficiency, no secondary pollution, environmental protection and economic benefits, this flue gas desulfurization process has attracted more and more attention. At the outlet of the absorption tower of the ammonia-based flue gas desulfurization system, the discharged net flue gas is in a wet-saturated state. The temperature of the flue gas discharged into the atmosphere from the chimney decreases during the process of mixing and diffusing with the atmosphere, and the water in the flue gas precipitates out. The formation of white mist, commonly known as "smoke plume", promotes the formation of smog, causing troubles to citizens'...

Claims

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Application Information

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IPC IPC(8): F23J15/00F23J15/04F23J15/06F23J15/08B01D53/18B01D53/14B01D47/00B01D50/00
CPCF23J15/006F23J15/04F23J15/06F23J15/08B01D53/1481B01D53/18B01D47/00B01D50/00B01D2251/2062B01D2258/0283F23J2215/20F23J2900/15081Y02E20/30
Inventor 杨江顾亚萍王桂锋
Owner CHINA UNITED ENG
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