Desulfurization wastewater flue bypass waste heat wet-process desalination zero-emission system

A technology of desulfurization wastewater and zero discharge, applied in the direction of gaseous effluent wastewater treatment, multi-stage water treatment, water/sewage treatment, etc., can solve the problems of many supporting equipment, high operating costs, high energy consumption, etc., to reduce process routes, Solve the effect of high operating cost and equipment cost and simple process

Inactive Publication Date: 2018-11-30
厦门派力特科技有限公司
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  • Abstract
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Problems solved by technology

[0004] In the existing technology, evaporation and crystallization technology is often used to treat and recycle desulfurization wastewater, but there are problems such as high energy consumption, many supporting equipment, and high operating costs.

Method used

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  • Desulfurization wastewater flue bypass waste heat wet-process desalination zero-emission system

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Embodiment Construction

[0024] In order to illustrate the technical solution of the present invention more clearly, the accompanying drawings that need to be used in the description will be briefly introduced below. Obviously, the accompanying drawings in the following description are only some embodiments of the present invention. As far as people are concerned, other embodiments can also be obtained according to these drawings on the premise of not paying creative work.

[0025] Such as figure 1 As shown, the present invention discloses a new type of desulfurization wastewater zero discharge system, which mainly consists of a regulating tank 1, a circulating pump 2, an evaporation chamber 3, a pH adjusting device 4, a centrifugal dehydrator 5, and a high-temperature flue gas bypass baffle door 6 , booster fan 7, low-temperature flue gas baffle door 8, desulfurization tower 9 and corresponding instrument valves and pipe fittings, regulating pool 1, circulating pump 2, evaporation chamber 3, PH regul...

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Abstract

The invention provides a desulfurization wastewater flue bypass waste-heat wet-process desalination zero-emission system. The system is characterized in that an adjusting tank, a circulating pump, anevaporation chamber, a pH adjusting device and a centrifugal dehydrator are sequentially connected; the centrifugal dehydrator is connected with the adjusting tank; and a high-temperature flue-gas bypass baffle door, a booster fan, an evaporation chamber, a low-temperature flue-gas baffle door and a desulfurization tower are connected in sequence. The treatment process of the system is short, theoccupied area is small, the energy consumption is low, the automation degree is high, the operation cost is low, the treatment effect is effectively guaranteed, and the pollution to the environment isreduced.

Description

technical field [0001] The invention relates to a novel desulfurization wastewater zero discharge system and method, belonging to the technical field of desulfurization wastewater treatment in thermal power plants. Background technique [0002] With the improvement of my country's economic level, the demand for electricity has grown rapidly, and coal-fired power generation is the main power generation method in my country at this stage. As of August 2015, my country's thermal power generation accounted for about 73.3% of the total power generation. Coal combustion produces a large number of pollutants, such as nitrogen oxides, sulfur dioxide, dust, etc., which cause great harm to the human body, the environment and the ecological system. The emission of SO2 has caused acid rain hazards in a large area of ​​my country. Therefore, my country has continuously strengthened the control of flue gas from coal-fired power plants, especially the implementation of the "Emission Standa...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): C02F9/10C02F103/18
CPCC02F1/048C02F1/12C02F1/16C02F1/38C02F1/66C02F9/00C02F2103/18C02F2301/08
Inventor 杨晓刚孙刚
Owner 厦门派力特科技有限公司
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