Waste water evaporating device and method using same

A treatment device and wastewater technology, applied in water/sewage treatment, water/sludge/sewage treatment, chemical instruments and methods, etc., can solve the problems of unfavorable desulfurization wastewater reuse, adverse environmental impact, complex process, etc. The effect of small area, space saving and low investment

Active Publication Date: 2010-04-21
SOUTHEAST UNIV
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

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Problems solved by technology

The process requires a lot of equipment, the process is complicated, and a large amount of chemical agents need to be added, so the cost is high
At the same time, the wastewater treatment process h...

Method used

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  • Waste water evaporating device and method using same
  • Waste water evaporating device and method using same
  • Waste water evaporating device and method using same

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Embodiment Construction

[0013] Please refer to figure 1 As shown, the waste water evaporation treatment device of the present invention includes a waste water tank 1, a waste water metering pump 3 connected to the waste water tank 1, a waste water conveying pipeline 4 drawn from the waste water metering pump 3, and an atomizing atomizer connected to the waste water conveying pipeline 4. The nozzle 10, the electrostatic precipitator 9 containing the atomizing nozzle 10, the raw flue gas channel 13 connected to one end of the electrostatic precipitator 9 for inputting raw flue gas, the desulfurization absorption tower 7 connected to the other end of the electrostatic precipitator 9 and the connection The precipitated solid conveying pipeline 6 of the electrostatic precipitator 9 , and the raw flue gas is provided by the boiler 14 .

[0014] The waste water delivery pipeline 4 is provided with a nozzle regulating valve 5 . The wastewater evaporation treatment device of the present invention is also pro...

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Abstract

The invention relates to a waste water evaporating device and a method using the same. The device comprises a waste water pot, a waste water metering pump connected with the waste water pot, a waste water conveying pipeline led out from the waste water metering pump, an atomizing nozzle communicated with the waste water conveying pipeline, an electric dust remover accommodating the atomizing nozzle, a raw gas channel which is connected with one end of the electric dust remover and used for inputting raw flue gas, a desulfurizing and absorbing tower connected with the other end of the electric dust remover and a separated solid conveying pipeline connected with the electric dust remover, wherein the raw flue gas is provided by a boiler. The waste water evaporating device needs less equipment, does not need dosing, saves investment and realizes the zero discharge of waste water, and the process needs a small occupation area, which can save space. Through the comprehensive regulation matching with the gas load and the desulfurization waste water flow, the time and the flow of the desulfurization waste water sprayed into polar plates of the electric dust remover are controlled, which has the wetting effect on electric dust removal, improves the electric dust removal efficiency and also prevents oversize instantaneous waste water volume from influencing the operation of the electric dust remover.

Description

technical field [0001] The invention belongs to the technical field of flue gas desulfurization equipment manufacturing, and relates to a waste water evaporation treatment device for wet flue gas desulfurization. Background technique [0002] Wet flue gas desulfurization technology is the most commonly used flue gas desulfurization technology in my country at present. A certain amount of wastewater will be generated during the desulfurization process using this technology. The discharge will cause great harm to the environment, and must be discharged after being treated up to the standard. The currently known wet flue gas desulfurization wastewater treatment adopts the process of dosing treatment, which includes five process steps: neutralization of wastewater, removal of heavy metal ions and fluoride ions, flocculation, precipitation, and clean water discharge. The process requires a lot of equipment, the process is complicated, and a large amount of chemicals needs to be a...

Claims

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Application Information

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IPC IPC(8): C02F1/12
Inventor 孙克勤沈凯徐海涛周长城
Owner SOUTHEAST UNIV
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