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Water-based paint wastewater treatment device

A water-based paint and wastewater treatment technology, which is applied in waste paint treatment, water/sewage treatment, biological water/sewage treatment, etc. It can solve the problems of complex water quality, high pollutant concentration, poor biodegradability, etc. The effect of high sex, high activity and short mud age

Pending Publication Date: 2019-03-05
TIANJIN UNIVERSITY OF SCIENCE AND TECHNOLOGY
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0003] In the production process of water-based coatings, a large amount of wastewater will be produced. This type of wastewater has the characteristics of complex water quality components, high pollutant concentration, large fluctuations in wastewater quality and water volume, and poor biochemical properties.

Method used

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  • Water-based paint wastewater treatment device

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Embodiment Construction

[0013] The present invention will be further described in detail below in conjunction with the accompanying drawings and through specific embodiments. The following embodiments are only descriptive, not restrictive, and cannot limit the protection scope of the present invention.

[0014] Such as figure 1 As shown, a water-based paint wastewater treatment device includes an inlet pump 1, a sump tank 2, a pH adjustment tank 5, a coagulation sedimentation tank 6, an advanced oxidation tank 7, UASB10, SBR13, and a microporous aeration head connected in sequence through pipelines 14. MBBR tank 16, water production tank 19, sludge thickening tank 20, plate and frame filter press 22. Under the action of the water inlet pump 1, the water-based paint wastewater enters the sump 2, and then passes through the pH adjustment tank 5, the coagulation sedimentation tank 6, and the advanced oxidation tank 7 to remove a large amount of suspended solids and colloidal substances; the effluent of ...

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Abstract

The invention discloses a water-based paint wastewater treatment device which is characterized in that a pipeline is sequentially connected with a water collecting tank, a pH adjusting tank, a coagulating sedimentation tank, an advanced oxidation tank, an UASB (upflow anaerobic sludge blanket), a SBR (sequencing batch reactor), a MBBR (moving bed biofilm reactor) and a water production tank; aftersludge generated in each stage is treated, filtrate flows back, and mud cakes are transported outwards. By adopting the technical scheme, the water-based paint wastewater treatment device disclosed by the invention, after water-based paint wastewater is subjected to pH adjustment, coagulating sedimentation and advanced oxidation, and is sequentially treated by the UASB, the SBR and the MBBR, discharged water can be discharged or recycled, the production cost is reduced, the environmental pollution is reduced, and water resources are saved.

Description

technical field [0001] The invention belongs to the technical field of water-based paint wastewater treatment, and in particular relates to a water-based paint wastewater treatment device. Background technique [0002] Water-based paints refer to paints that use water as a solvent or as a dispersion medium, including water-soluble paints, water-diluted paints, water-dispersible paints (emulsion paints), and the like. Compared with other coatings, water-based coatings should be widely used due to their environmental protection characteristics, and become one of the first choices for indoor coatings, which also brings a lot of water-based coating wastewater. [0003] In the production process of water-based coatings, a large amount of wastewater will be produced. This type of wastewater has the characteristics of complex water quality components, high pollutant concentration, large fluctuations in wastewater quality and water volume, and poor biochemical properties. In additi...

Claims

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Application Information

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IPC IPC(8): C02F9/14C02F11/12C02F11/122C02F103/14
CPCC02F9/00C02F11/12C02F11/122C02F3/2846C02F3/1236C02F3/1263C02F3/301C02F2103/14C02F2305/026C02F2301/08C02F1/725C02F1/722C02F1/66C02F1/5281
Inventor 杨宗政杨婷婷张洁郭亚男刘爱霖王春虎刘莹
Owner TIANJIN UNIVERSITY OF SCIENCE AND TECHNOLOGY
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