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Campus sewage treatment device

A technology for treatment device and campus sewage, which is applied in the fields of oxidized water/sewage treatment, water/sewage multi-stage treatment, water/sludge/sewage treatment, etc. It can solve the problems of complex chemical composition of sewage, high concentration of wastewater and high hazard. , to achieve the effect of low investment cost, stable effluent quality and efficient removal

Inactive Publication Date: 2019-04-09
TIANJIN UNIVERSITY OF SCIENCE AND TECHNOLOGY
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Problems solved by technology

Among them, domestic sewage is divided into sewage discharged from toilet flushing, clothes washing and other processes in the daily life of students and faculty members, which contains a large amount of organic pollutants and suspended particle pollutants, and direct discharge will pollute water bodies; pollutants in canteen wastewater are mainly organic matter. Mainly, if it is discharged directly without treatment, it will cause environmental pollution; the chemical composition of laboratory sewage is complex, the concentration of wastewater is generally high, and it is highly harmful. Direct discharge will cause pollution of nearby water bodies

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  • Campus sewage treatment device

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Embodiment Construction

[0027] 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.

[0028] A kind of campus sewage treatment device, it is characterized in that, described device comprises grid well, grease trap, adjusting tank, primary settling tank, anaerobic tank, anoxic tank, MBBR (moving bed biofilm reactor), MBR ( Membrane bioreaction tank), flocculation sedimentation tank, sludge concentration tank, sludge dewatering machine, contact filter tank, disinfection tank, standard discharge outlet and other sewage treatment devices.

[0029] Campus sewage works on the water inlet pump 1 and enters the grid well 2. The grid is composed of alternate coarse grids and fine grids. Behind the grid is a grease trap 3, which separates the oil and water in the sewage from the sewage. , throu...

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Abstract

The invention discloses a campus sewage treatment device. The campus sewage treatment device comprises a grid well, an oil separator, a regulating tank, a primary settling tank, an anaerobic tank, ananoxic tank, an MBBR (moving bed bio-membrane reactor), an MBR (membrane bioreactor), a flocculation sedimentation tank, a sludge thickening tank, a sludge dewatering machine, a contact filter tank and a disinfection tank which are in series connection in sequence; the MBBR and the MBR effectively remove organic matters in water, strengthen the effect of nitrogen and phosphorus removal, and causethe effluent quality to be stable; and subsequent disinfection is carried out by adopting contact filtration and breakpoint chlorination to realize the deep purification of water, so that effluent isdischarged or recycled with standard level. The campus sewage treatment device provided by the invention has the characteristics of high removal and utilization rate of organic matters, good nitrogenand phosphorus removal effect, low sludge yield, good water discharge effect, convenience in operation and maintenance and the like, and successfully solves the problems of campus sewage pollution andwater resource wasting.

Description

technical field [0001] The invention relates to a campus sewage treatment device, in particular to a campus sewage treatment system adopting the "anaerobic + anoxic + MBBR + MBR + contact filtration + break point chlorine addition" treatment process. Background technique [0002] At present, colleges and universities have the characteristics of large population and concentrated flow of people. The discharge of domestic sewage in colleges and universities is relatively regular, the amount of sewage is large, and the daily water consumption is relatively stable. Basically, it does not fluctuate much with the seasons. The sewage mainly comes from Domestic water, canteen water and experimental water. Among them, domestic sewage is divided into sewage discharged from toilet flushing, clothes washing and other processes in the daily life of students and faculty members, which contains a large amount of organic pollutants and suspended particle pollutants, and direct discharge will...

Claims

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Application Information

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IPC IPC(8): C02F9/14
CPCC02F9/00C02F2301/08C02F2303/04C02F2001/007C02F1/76C02F3/30C02F1/001C02F1/40C02F1/52
Inventor 杨宗政邓妍刘爱霖
Owner TIANJIN UNIVERSITY OF SCIENCE AND TECHNOLOGY
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