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Desulfurization system without gypsum plume and waste water discharge and its treatment method

A desulfurization system, no waste water technology, applied in the desulfurization system without waste water discharge and its treatment, no gypsum plume field, can solve the problem of polluting the environment, such as emissions

Active Publication Date: 2018-11-13
ZIBO GERUI WATER TREATMENT ENG
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  • Claims
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Problems solved by technology

[0004] The invention provides a desulfurization system without gypsum plume and waste water discharge and its treatment method, which is used to solve the technical problem that the desulfurization device in the prior art is likely to produce the discharge that pollutes the environment

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  • Desulfurization system without gypsum plume and waste water discharge and its treatment method

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Embodiment Construction

[0034] The present invention will be further described below in conjunction with accompanying drawing.

[0035] Such as figure 1 As shown, the present invention provides a desulfurization system without gypsum plume and waste water discharge, including a desulfurization device 3, wherein the desulfurization device 3 includes a desulfurization tower 31 and a desulfurization waste water circulation pool 32 connected in sequence, and the desulfurization waste water circulation pool 32 The output end is connected to one of the input ends of the desulfurization tower 31, and the dosing port of the desulfurization wastewater circulation pool 32 is connected to the first dosing device 4 loaded with sodium hydroxide solution.

[0036] From figure 1 It can be seen that the wastewater output from the output end of the desulfurization tower 31 enters the desulfurization wastewater circulation pool 32, and the sodium hydroxide solution is added to the desulfurization wastewater circulati...

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Abstract

The invention relates to a desulfurization system without gypsum smoke plume and wastewater discharge, and a treatment method thereof, which relate to the technical field of desulfurization and desulfurization wastewater treatment, and are used for solving the technical problem that a device in the prior art is easy to produce effluents polluting the environment. The desulfurization system withoutgypsum smoke plume and wastewater discharge provided by the invention comprises a desulfurization device. Through connecting a desulfurization wastewater circulating tank and a first dosing device, and connecting a wastewater tank and a second dosing device, a sodium hydroxide solution and a calcium hydroxide solution can be respectively added into the desulfurization wastewater circulating tankand the wastewater tank, so that the production of the gypsum smoke plume can be prevented, high salinity wastewater produced by desulfurization realizes recycling zero-emission, the whole process isrecycled, no sewage and wastewater is discharged, and the occurrence of the phenomenon of environmental pollution is avoided.

Description

technical field [0001] The invention relates to the technical field of desulfurization and desulfurization wastewater treatment, in particular to a desulfurization system without gypsum plume and waste water discharge and a treatment method thereof. Background technique [0002] Due to its wide range of applicable coal types, high desulfurization efficiency, high utilization rate of absorbent, high equipment operation rate and high reliability of work, gypsum desulfurization has become the preferred choice for flue gas desulfurization process of thermal power plants at home and abroad. . [0003] Existing desulfurization devices generally use a double-alkali method for desulfurization, that is, two alkaline substances, sodium hydroxide and lime, are used as desulfurizers for desulfurization. When desulfurization is performed, sodium hydroxide and lime are added to the reaction tank at the same time for reaction. Since desulfurization and sulfate precipitation are in one sys...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): C02F1/58C02F101/10C02F103/18
CPCC02F1/58C02F2101/101C02F2103/18C02F2301/08
Inventor 慕史臣
Owner ZIBO GERUI WATER TREATMENT ENG
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