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Coagulating pool for desulfurization wastewater zero discharge system

A technology of desulfurization wastewater and zero discharge, applied in the direction of gaseous effluent wastewater treatment, water pollutants, water/sewage treatment, etc., can solve the problems of excessive sludge and affecting the purity of wastewater treatment, so as to improve the treatment purity and facilitate cleaning work , reduce the effect of corrosion

Pending Publication Date: 2019-03-12
ZHEJIANG TUNA ENVIRONMENTAL SCI & TECH
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

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Problems solved by technology

[0004] However, in the actual operation process, more sludge will be deposited in the neutralization tank, reaction tank and flocculation tank, thus affecting the treatment purity of wastewater

Method used

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  • Coagulating pool for desulfurization wastewater zero discharge system
  • Coagulating pool for desulfurization wastewater zero discharge system
  • Coagulating pool for desulfurization wastewater zero discharge system

Examples

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Embodiment 1

[0044] refer to figure 1 with figure 2 , a coagulation tank for a desulfurization wastewater zero discharge system, comprising a pool body 100, the pool body 100 is provided with a first partition 110 and a second partition 120 that are sealed and connected to the bottom and side walls of the pool body 100, The tank body 100 is divided into a neutralization tank 130 , a reaction tank 140 and a flocculation tank 150 each equipped with a stirring mechanism 180 . In addition, both the neutralization box 130 and the reaction box 140 are connected with a partition plate connected to the top of the cell body 100 and facing the bottom of the cell body 100 . The first partition 110 is higher than the second partition 120 to facilitate the overflow of waste water.

[0045] One side of the neutralization tank 130 is provided with a waste water inlet pipe 131 , and the neutralization tank 130 , the reaction tank 140 and the flocculation tank 150 are all provided with chemical pipeline...

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Abstract

The invention discloses a coagulating pool for a desulfurization wastewater zero discharge system. The coagulating pool comprises a pool body; the pool body comprises a neutralization tank with a stirring mechanism, a reaction tank and a flocculation tank; one side of the neutralization tank is provided with a wastewater inlet pipe; each of the neutralization tank, the reaction tank and the flocculation tank is provided with a chemical pipeline; the bottoms of the neutralization tank, the reaction tank and the flocculation tank are provided with a sludge cleaning tank in a communicating manner; the neutralization tank, the reaction tank and the flocculation tank are all connected with the sludge cleaning tank through leakage net structures respectively; and each of the neutralization tank,the reaction tank and the flocculation tank is internally provided with a sludge thickness detection mechanism and a drive mechanism used for driving the leakage net structures to be opened or closedto control communication between the neutralization tank, the reaction tank and the flocculation tank and the sludge cleaning tank. Through arrangement of the sludge cleaning tank, centralized treatment can be performed on precipitates in the neutralization tank, the reaction tank and the flocculation tank, so that cleaning work to the pool body is facilitated, and the treatment purity of the wastewater is improved.

Description

technical field [0001] The invention relates to the technical field of industrial wastewater treatment, more specifically, it relates to a coagulation tank used in a desulfurization wastewater zero discharge system. Background technique [0002] Desulfurization wastewater is mainly the discharge water from the absorption tower during the wet desulfurization process of boiler flue gas. In order to maintain the balance of substances in the slurry circulation system of the desulfurization unit, prevent the soluble part of the flue gas, that is, the chlorine concentration from exceeding the specified value, and ensure the quality of gypsum, a certain amount of wastewater must be discharged from the system. The wastewater mainly comes from the gypsum dehydration and cleaning system. Desulfurization wastewater has high salt content, high hardness, high silicate, high chloride, heavy metals, etc. [0003] Publication No. CN108046478A discloses a power plant desulfurization wastewa...

Claims

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Application Information

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IPC IPC(8): C02F9/04C02F103/18C02F101/20C02F101/22C02F101/10
CPCC02F9/00C02F1/56C02F1/5281C02F1/5245C02F1/64C02F1/66C02F1/62C02F2303/14C02F2201/002C02F2101/101C02F2101/22C02F2101/203C02F2101/20C02F2103/18
Inventor 赵博蔡学军施向东郭锋蔡永涛
Owner ZHEJIANG TUNA ENVIRONMENTAL SCI & TECH