Vacuum pump wastewater treatment system and use method thereof

A wastewater treatment system and vacuum pump technology, applied in the direction of water/sewage multi-stage treatment, water/sludge/sewage treatment, chemical instruments and methods, etc., can solve the problem of excessive discharge of wastewater, poor biodegradability of wastewater, and increase of wastewater treatment stations Deal with load and other issues to achieve the effect of saving water resources and meeting water quality standards

Active Publication Date: 2015-08-19
ANHUI UNIVERSITY OF ARCHITECTURE
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  • Abstract
  • Description
  • Claims
  • Application Information

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Problems solved by technology

Wastewater contains toluene, a small amount of alcohol with a low boiling point, intermediate products of the reaction between alcohol and epichlorohydrin, and product ethers. These substances enter the wastewater and cause poor biodegradability of the wastewater
The existing wastewater treatment method is as follows: the vacuum pump wastewater enters the final wastewater treatment system for unified treatment, which increases the treatment load of the wastewater treatment station and also causes the amount of discharged wastewater to exceed the standard

Method used

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  • Vacuum pump wastewater treatment system and use method thereof
  • Vacuum pump wastewater treatment system and use method thereof
  • Vacuum pump wastewater treatment system and use method thereof

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Embodiment Construction

[0018] A vacuum pump wastewater treatment system, consisting of a regulating tank (2), a lift pump (3), an air flotation grease trap (4), a waste oil recovery tank (5), an aeration micro-electrolysis device (6), two stages of biological contact Oxidation tank (7), sedimentation tank (8), water collection tank (9), high-efficiency filter tank (10), reuse water storage tank (11), sludge tank (12), plate and frame filter press (13), sewage The mud transport vehicle (14), the lifting water pump (15), the reuse water pump (16), the sludge return pump (17), the sludge lifting pump (18), and the fan room (19); the waste water of the vacuum pump (1) passes through The pipeline in the factory area is connected to the water inlet pipe of the regulating tank (2), and the wastewater in the regulating tank (2) enters the water inlet of the air flotation grease trap (4) through the lift pump (3), and the air flotation grease trap (4) isolates Slick oil and scum enter the waste oil recovery ...

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Abstract

The invention discloses a vacuum pump wastewater treatment system and a use method thereof. The treatment system comprises an equalizing tank, an elevator pump, an air floatation oil removal tank, a waste oil recovery tank, an aeration micro-electrolysis device, a two-stage bio-contact oxidation tank, a sedimentation tank, a water collection tank, an efficient filtration tank, a reuse water storage tank, a sludge tank, a plate-and-frame filter press, a sludge outward transportation truck, a water elevator pump, a reuse water pump, a sludge return pump, a sludge elevator pump and a fan room; waste oil generated by the air floatation oil removal tank can be treated and then is reused as a raw material; treated vacuum pump wastewater can be recycled to a vacuum pump system; aeration micro-electrolysis adopted in the invention effectively changes the biodegradability of wastewater to create favorable conditions for subsequent aerobic treatment; and the two-stage bio-contact oxidation tank can realize rapid starting and reach a treatment effect. The vacuum pump wastewater treatment system and the use method thereof have the advantages of good treatment effect, standard reaching of the quality of outlet water, small sludge output, realization of recycling of wastewater, and water cost saving.

Description

technical field [0001] The invention relates to the field of wastewater treatment, in particular to a vacuum pump wastewater treatment system and its application method. Background technique [0002] Vacuum pump waste water is produced by the water circulation vacuum pump used in the production process of epoxy resin active diluent. It is mainly used in the production process for distillation to pull negative pressure and vacuum suction. The pollutants are COD, oil, etc. Wastewater contains toluene, a small amount of alcohol with a low boiling point, intermediate products of the reaction between alcohol and epichlorohydrin, and product ethers. These substances enter the wastewater and cause poor biodegradability of the wastewater. The existing wastewater treatment method is as follows: the vacuum pump wastewater enters the final wastewater treatment system for unified treatment, which increases the treatment load of the wastewater treatment station and also causes the amount...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): C02F9/14
Inventor 张华黄显怀黄健张勇王坤陶勇王宽
Owner ANHUI UNIVERSITY OF ARCHITECTURE
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