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Wastewater zero discharge treatment device

A treatment device and zero-discharge technology, which is applied in water/sewage multi-stage treatment, water/sludge/sewage treatment, dispersed particle separation, etc. Low transportation rate and other issues, to achieve the effect of controlling pollution emissions

Inactive Publication Date: 2016-01-27
TIANJIN LVJINGYUAN ENVIRONMENTAL PROTECTION TECH
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Problems solved by technology

[0002] At present, the coal source quality of domestic coal-fired power plants varies greatly, and the solid content of desulfurization wastewater in the limestone-gypsum wet flue gas desulfurization system will greatly exceed the design value due to the low reliability of some facilities such as wastewater cyclones. As a result, the operation rate of the built wastewater treatment facilities is low and the failure rate is high; and the content of heavy metal elements in the desulfurization wastewater is high, and the pollution to the environment is particularly serious

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  • Wastewater zero discharge treatment device

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Embodiment Construction

[0010] A waste water zero-discharge treatment device is characterized in that it includes a logic control system, a desulfurization tower 1, a pre-sedimentation tank 2, a filter 3, a clean water pump 4, a high-pressure pump 5, an air preheater 7, a flue 8, a nozzle 6 and Dust collector 9; the logic control system includes a waste water pipeline system, an air pipeline system and a clear water pipeline system; the nozzle 6 adopts a two-fluid nozzle to achieve a fine atomization effect, and the maximum particle diameter is below 100un, while The average particle size of atomized particles is only 42um.

[0011] The present invention is further described below in conjunction with specific embodiment, but not as limiting the present invention:

[0012] The technological process of the desulfurization wastewater integrated treatment system (such as figure 1 )as follows:

[0013] ①. After the desulfurization wastewater passes through the pre-sedimentation tank 2 for preliminary so...

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Abstract

A wastewater zero discharge treatment device includes a logic control system, and a desulfurization tower, a pre-sedimentation tank, a filter, a clear water pump, a high pressure pump, an air preheater, a flue, a nozzle and a dust remover which are connected in turn. The wastewater zero discharge treatment device has the technical effects that treatment of desulfurization wastewater daily discharged by a heat-engine plant can be met, atomization of the wastewater is ensured, moisture is all evaporated, harmful pollutants are recycled and treated, and no adverse influence on subsequent equipment and desulfurization efficiency is caused, and the wastewater zero discharge treatment device has obvious advantages in pollution discharge control, operating cost saving and intelligent degree compared with a conventional wastewater treatment process.

Description

technical field [0001] The invention relates to the technical field of wastewater treatment, in particular to a wastewater zero-discharge treatment device. Background technique [0002] At present, the coal source quality of domestic coal-fired power plants varies greatly, and the solid content of desulfurization wastewater in the limestone-gypsum wet flue gas desulfurization system will greatly exceed the design value due to the low reliability of some facilities such as wastewater cyclones. As a result, the commissioning rate of the established wastewater treatment facilities is low and the failure rate is high; and the content of heavy metal elements in the desulfurization wastewater is high, and the pollution to the environment is particularly serious. Contents of the invention [0003] The technical problem to be solved by the present invention is to provide a waste water zero-discharge treatment device. [0004] The technical solution of the present invention is: a ...

Claims

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Application Information

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IPC IPC(8): C02F9/10B01D53/96
Inventor 徐雷利
Owner TIANJIN LVJINGYUAN ENVIRONMENTAL PROTECTION TECH
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