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Desulfurization wastewater evaporation and concentration device

A technology for evaporative concentration and desulfurization wastewater, which is applied in the direction of gaseous effluent wastewater treatment, water/sewage treatment, heating water/sewage treatment, etc., which can solve the problems of high equipment cost investment, high labor cost, and large heat demand. The effect of small area, reduced labor cost and simple system

Active Publication Date: 2022-07-15
CHINA HUAYE GROUP +1
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Problems solved by technology

[0005] In view of the above problems, the object of the present invention is to provide a desulfurization wastewater evaporation concentration device to solve the problems of large heat demand, high requirements, complex system, high equipment cost investment, and high labor cost in the current desulfurization wastewater concentration treatment technology.

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  • Desulfurization wastewater evaporation and concentration device

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Embodiment Construction

[0027] In the following description, for the purposes of explanation, numerous specific details are set forth in order to provide a thorough understanding of one or more embodiments. It will be apparent, however, that the embodiments may be practiced without these specific details.

[0028] Aiming at the problems of high heat demand, high requirements, complex system, high equipment cost and high labor cost in the above-mentioned concentration treatment technology of desulfurization wastewater, a desulfurization wastewater evaporation and concentration device is proposed.

[0029] The specific embodiments of the present invention will be described in detail below with reference to the accompanying drawings.

[0030] In order to illustrate the desulfurization wastewater evaporation and concentration device provided by the present invention, figure 1 The structure of the desulfurization wastewater evaporation and concentration device according to the embodiment of the present i...

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Abstract

The invention provides an evaporation and concentration device for desulfurization wastewater. The evaporation and concentration device comprises an evaporation and concentration device main body, a turbulent flow device and a main control device, a concentrated wastewater pool is arranged at the bottom in the evaporation and concentration device main body, a wastewater spraying device is arranged at the top in the evaporation and concentration device main body, and a flue gas outlet is formed in the top of the evaporation and concentration device main body; a hot flue gas inlet is formed in the side wall of the evaporation and concentration device main body; a desulfurization wastewater inlet pipe is arranged above the concentrated wastewater pool; a water flow detection device and a water flow regulating valve are arranged on the desulfurization wastewater inlet pipe; the concentrated wastewater pool is connected with a water inlet of the wastewater spraying device, the hot flue gas inlet is connected with a hot flue gas inlet pipe, and a flue gas flow detection device and a flue gas inflow control device are arranged on the hot flue gas inlet pipe. The problems of high heat demand, high requirement, complex system, high equipment cost input and the like in the existing desulfurization wastewater concentration treatment technology can be solved.

Description

technical field [0001] The invention relates to the technical field of wastewater treatment, and more particularly, to an evaporation and concentration device for desulfurization wastewater. Background technique [0002] At present, the boiler flue gas of large coal-fired power plants is generally desulfurized by limestone gypsum method. In order to control the concentration of chloride ions in the desulfurization slurry and balance the concentration of other ions, part of the desulfurization wastewater obtained after being concentrated by the wastewater gypsum hydrocyclone station must be regularly discharged. Desulfurization wastewater has the characteristics of high salt, high chlorine, strong corrosion, and contains a large amount of suspended solids and heavy metals. The currently used thermal concentration evaporation process to treat desulfurization wastewater is generally a membrane process. The salt-containing wastewater is concentrated by nanofiltration, reverse os...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): C02F1/04C02F1/12C02F103/18
CPCC02F1/048C02F1/12C02F1/043C02F1/008C02F2103/18C02F2209/38C02F2209/40C02F2209/01
Inventor 崔建庚吕磊张玉刚
Owner CHINA HUAYE GROUP
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