Energy-saving environmentally-friendly type circulating water system for wet flue gas desulfurization process

A technology for wet flue gas desulfurization and circulating water system, which is used in gaseous effluent wastewater treatment, multi-stage water treatment, water/sewage treatment, etc.

Active Publication Date: 2017-09-26
唐山迪牧化工有限公司
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  • Abstract
  • Description
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  • Application Information

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Problems solved by technology

[0004] The purpose of the present invention is to provide an energy-saving and environment-friendly circulating water system for wet flue gas desulfurization process to solve the technical problems of energy saving and environmental protection

Method used

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  • Energy-saving environmentally-friendly type circulating water system for wet flue gas desulfurization process
  • Energy-saving environmentally-friendly type circulating water system for wet flue gas desulfurization process
  • Energy-saving environmentally-friendly type circulating water system for wet flue gas desulfurization process

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Embodiment Construction

[0027] The embodiments of the present invention will be described in detail below with reference to the accompanying drawings, but the present invention can be implemented in various ways defined and covered by the claims.

[0028] see figure 1 and figure 2, in this embodiment, an energy-saving and environment-friendly circulating water system for a wet flue gas desulfurization process, including a desulfurization tower 1, the waste water outlet of the desulfurization tower 1 is connected to a filter pool 6 through a first pipeline 3, and the second A first pump body 2 is arranged on a pipeline 3, an outlet pipeline 4 is arranged at the inner bottom of the filter tank 6, and a plurality of outlet holes 5 are provided on the outlet pipeline 4, and the right end of the outlet pipeline 4 communicates with the first pipeline 3; A honeycomb inclined pipe 7 is arranged in the filter tank 6 above the water outlet pipe 4, and a filter screen device 8 is arranged above the honeycomb ...

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Abstract

The invention provides an energy-saving environmentally-friendly type circulating water system for a wet flue gas desulfurization process. The energy-saving environmentally-friendly type circulating water system for the wet flue gas desulfurization process comprises a desulfurization tower; a waste water outlet of the desulfurization tower is connected with a filtering pool through a first pipeline; a first pump body is arranged on the first pipeline; a water outlet pipeline is arranged at the inner bottom of the filtering pool; a plurality of water outlet holes are formed in the water outlet pipeline; the right end of the water outlet pipeline is communicated with the first pipeline; a honeycomb-like inclined pipe is arranged in the filtering pool above the water outlet pipeline; a filter screen device is arranged above the honeycomb-like inclined pipe; a second pump body is arranged in the filtering pool. The energy-saving environmentally-friendly type circulating water system for the wet flue gas desulfurization process has the following beneficial effects: 1, a first filter screen, a second filter screen and a third filter screen on a filter screen device are used for performing precipitation effect on impurities in the waste water, so that the granular impurities in the waste water can be precipitated as soon as possible; 2, the uniform mixing range is changed by a uniform mixing device, so that the flocculation effect of a flocculating agent and the waste water is more excellent and the flocculating effect is effectively improved.

Description

technical field [0001] The invention relates to the technical field of energy saving and environmental protection, in particular to an energy-saving and environment-friendly circulating water system used in a wet flue gas desulfurization process. Background technique [0002] In the wet flue gas desulfurization process of coal-fired power stations, in order to maintain the balance of the slurry circulation system of the desulfurization device, it is necessary to regularly discharge wastewater from the desulfurization tower, that is, desulfurization wastewater. Compared with the general industrial wastewater of coal-fired power stations, its water quality is quite special. Many of the substances are the first type of pollutants that are strictly controlled in the national environmental protection standards, mainly in the following aspects: (1) The wastewater is weakly acidic, PH is 4-6; (2) The content of suspended solids is high, the particles are small, and the main compone...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): C02F9/04C02F103/18
CPCC02F1/001C02F1/5281C02F1/66C02F9/00C02F2001/007C02F2103/18C02F2301/08
Inventor 不公告发明人
Owner 唐山迪牧化工有限公司
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