Refractory industrial wastewater treatment system and treatment method

A technology for industrial wastewater and treatment systems, applied in biological water/sewage treatment, neutralized water/sewage treatment, oxidized water/sewage treatment, etc., to achieve the effect of good effect, less basic investment and less land occupation

Pending Publication Date: 2021-06-08
华电水务工程有限公司
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  • Abstract
  • Description
  • Claims
  • Application Information

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Problems solved by technology

[0002] The water quality of the external drainage of most sewage and wastewater treatment systems in China must meet the A standard of the first-level standard in the "Pollutant Discharge Standard for Urban Sewage Treatment Plants" (GB18918-2002). With the introduction of local sewage discharge standards, the first-level standard of the national standard A The standard no longer meets the requirements for external discharge, and the sewage and wastewater treatment system needs to be upgraded and transformed

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  • Refractory industrial wastewater treatment system and treatment method

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Embodiment 1

[0024] Embodiment 1 of the present invention: a refractory industrial wastewater treatment system, including a regulating tank 1, an ozone catalytic oxidation tank 2, a denitrification filter 3, a biological aerated filter 4, an intermediate pool 5, an active sand filter 6, The sludge thickening tank 7 and the ozone disinfection tank 8, the adjustment tank 1 is connected to the ozone catalytic oxidation tank 2 through pipelines, the ozone catalytic oxidation tank 2 is connected to the denitrification filter tank 3 through pipelines, the biological aerated filter tank 4 is connected to the intermediate pool 5 through pipelines, The intermediate pool 5 is connected to the pipeline of the active sand filter 6, the pipeline of the active sand filter 6 is connected to the sludge concentration tank 7, the pipeline of the sludge concentration tank 7 is connected to the regulation tank 1, and the pipeline of the ozone disinfection tank 8 is connected to the pipeline of the active sand f...

Embodiment 2

[0025] Embodiment 2 of the present invention: a refractory industrial wastewater treatment system, including a regulating tank 1, an ozone catalytic oxidation tank 2, a denitrification filter tank 3, a biological aerated filter tank 4, an intermediate pool 5, an active sand filter tank 6, The sludge thickening tank 7 and the ozone disinfection tank 8, the adjustment tank 1 is connected to the ozone catalytic oxidation tank 2 through pipelines, the ozone catalytic oxidation tank 2 is connected to the denitrification filter tank 3 through pipelines, the biological aerated filter tank 4 is connected to the intermediate pool 5 through pipelines, The intermediate pool 5 is connected to the pipeline of the active sand filter 6, the pipeline of the active sand filter 6 is connected to the sludge concentration tank 7, the pipeline of the sludge concentration tank 7 is connected to the regulation tank 1, and the pipeline of the ozone disinfection tank 8 is connected to the pipeline of th...

Embodiment 3

[0026] Embodiment 3 of the present invention: a refractory industrial wastewater treatment system, including a regulating tank 1, an ozone catalytic oxidation tank 2, a denitrification filter 3, a biological aerated filter 4, an intermediate pool 5, an active sand filter 6, The sludge thickening tank 7 and the ozone disinfection tank 8, the adjustment tank 1 is connected to the ozone catalytic oxidation tank 2 through pipelines, the ozone catalytic oxidation tank 2 is connected to the denitrification filter tank 3 through pipelines, the biological aerated filter tank 4 is connected to the intermediate pool 5 through pipelines, The intermediate pool 5 is connected to the pipeline of the active sand filter 6, the pipeline of the active sand filter 6 is connected to the sludge concentration tank 7, the pipeline of the sludge concentration tank 7 is connected to the regulation tank 1, and the pipeline of the ozone disinfection tank 8 is connected to the pipeline of the active sand f...

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Abstract

The invention discloses a refractory industrial wastewater treatment system which comprises a regulating tank, a catalytic ozonation tank, a denitrification filter tank, a biological aerated filter tank, an intermediate water tank, an active sand filter tank, a sludge concentration tank and an ozone disinfection tank, the regulating tank is connected with the catalytic ozonation tank through a pipeline, and the catalytic ozonation tank is connected with the denitrification filter tank through a pipeline; the biological aerated filter is connected with the intermediate water tank through a pipeline, the intermediate water tank is connected with the active sand filter through a pipeline, the active sand filter is connected with the sludge concentration tank through a pipeline, the sludge concentration tank is connected with the regulating tank through a pipeline, and the ozone disinfection tank is connected with the active sand filter through a pipeline.Meanwhile, the invention also discloses a refractory industrial wastewater treatment method. The treatment process is simple, the effect is good, the occupied area is small, and up-to-standard discharge of the refractory industrial wastewater is achieved.

Description

technical field [0001] The invention relates to a refractory industrial wastewater treatment system and treatment method, belonging to the technical field of sewage treatment. Background technique [0002] The water quality of the external drainage of most sewage and wastewater treatment systems in China must meet the A standard of the first-level standard in the "Pollutant Discharge Standard for Urban Sewage Treatment Plants" (GB18918-2002). With the introduction of local sewage discharge standards, the first-level standard of the national standard A The standard no longer meets the discharge requirements, and the sewage and wastewater treatment system needs to be upgraded. Contents of the invention [0003] The object of the present invention is to provide a refractory industrial wastewater treatment system and a refractory industrial wastewater treatment method. The present invention has a simple treatment process and good effect, and realizes the discharge of refractor...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): C02F9/14
CPCC02F1/001C02F1/66C02F1/78C02F3/1268C02F3/28C02F3/302C02F9/00
Inventor 庞晓辰崔德圣李宏秀刘进秦树篷周保卫李文杰王建华许强
Owner 华电水务工程有限公司
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