High-salt waste water circulating row pipe atmospheric evaporation reduced treatment method and equipment

A technology of high-salt wastewater and treatment equipment, which is applied in water/sewage treatment, multi-stage water/sewage treatment, heating water/sewage treatment, etc., can solve the problem of large amount of high-salt wastewater treatment, and reduce treatment cost and efficiency High, reduce fouling effect

Pending Publication Date: 2018-06-05
CHONGQING UNIV
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  • Abstract
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Problems solved by technology

[0005] The purpose of the present invention is to solve the problem that the existing high-salt wastewater has a large amount of treatment, and provide a high-salt wastewater evaporation reduction treatment method an

Method used

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  • High-salt waste water circulating row pipe atmospheric evaporation reduced treatment method and equipment
  • High-salt waste water circulating row pipe atmospheric evaporation reduced treatment method and equipment
  • High-salt waste water circulating row pipe atmospheric evaporation reduced treatment method and equipment

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Embodiment Construction

[0037] Further illustrate the present invention below in conjunction with accompanying drawing:

[0038] see figure 1 , The high-salt wastewater circulation tube atmospheric evaporation reduction treatment equipment includes sewage pump 1, coagulation irrigation 3, variable gap filter 4, regulating water tank 8, circulation tube atmospheric evaporator 9, and steam boiler 10 connected by pipelines in sequence , Water softening equipment 12 and softening water tank 11. The equipment adopts PAC dosing machine 5, sodium carbonate (Na 2 CO 3 ) dosing machine 6 and sodium hydroxide (NaOH) dosing machine 7 are connected to the static mixer 2 installed on the pipeline, and dosing to the coagulation tank 3 through the static mixer 2. The equipment is equipped with corresponding valves and pumps on the pipeline, and an automatic water replenishment valve and drain pipe are installed at the bottom of the 9-generation tower of the atmospheric evaporator of the evaporation cycle.

[00...

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Abstract

The invention discloses a high-salt waste water circulating row pipe atmospheric evaporation reduced treatment method and equipment. Chemical coagulation, physical filtration and circulating row pipeatmospheric evaporation concentrated treatment steps are adopted. In particular, an atmospheric evaporation tower fulfills the aim of increasing the evaporation quantity of the circulating waste waterto realize concentration by enabling dry air with high enthalpy value to enter the tower under the action of a high-power axial flow fan, transmitting heat to the waste water in the tower by the gas,providing part of heat required by evaporation of the waste water and then extracting the air with low enthalpy value and high humidity by a fan. By adoption of the method and the equipment, which are provided by the invention, the problem about high-salt waste water treatment can be effectively solved economically and technologically.

Description

technical field [0001] The invention relates to the technical fields of industrial sewage and waste water treatment and environmental protection, in particular to high-salt waste water reduction technology and equipment. Background technique [0002] High-salt wastewater refers to the discharged wastewater with a total salt content greater than 1% from domestic sewage and industrial wastewater, containing relatively high levels such as Cl - , SO 4 2- , Na + , Ca 2+ and other inorganic ions, and also contain some organic substances such as glycerin, medium and low carbon chain compounds, etc. It mainly comes from industrial production that directly uses seawater, domestic water and food processing plants, chemical plants, and oil and natural gas collection and processing. If these high-salt wastewater is discharged directly without treatment, it is bound to cause great harm to aquatic organisms, drinking water, and industrial and agricultural production water. However, ...

Claims

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Application Information

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IPC IPC(8): C02F9/10
CPCC02F9/00C02F1/5236C02F1/5245C02F1/08C02F1/12C02F1/043C02F1/001
Inventor 翟俊杨忠平肖海文柳沛松陈忠礼姚婧梅李伟
Owner CHONGQING UNIV
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