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Liquid level adjustable type biological rotating disc system

A biological turntable, adjustable technology, applied in the direction of sustainable biological treatment, aerobic process, etc., can solve problems such as difficult restart, unsuitable electricity, unstable small towns, etc., to shorten recovery time, easy recovery, avoid Effects of equipment damage

Inactive Publication Date: 2015-04-22
BEIJING SOUND ENVIRONMENTAL ENG
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0006] The technical problem to be solved by the present invention is to provide a biological turntable system with adjustable liquid level, which can adjust the liquid level of the biological turntable pool, and can make the biological turntable change from semi-submerged to fully submerged, without affecting the restart after shutdown, ensuring The water quality of the effluent is stable and up to the standard, thus solving the problem that the existing biological turntable is difficult to restart after a water and power outage. It is not suitable for small towns with unstable power.

Method used

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  • Liquid level adjustable type biological rotating disc system

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Effect test

Embodiment 1

[0027] This embodiment provides a liquid level adjustable biological turntable system, which is composed of a liquid level adjustment storage tank, a hydraulic water level control valve, and a biological turntable device. The biological turntable device adopts an electric biological turntable with a processing scale of 100m 3 / d, raw sewage COD Cr 100-300mg / L, NH 3 -N is 30-50mg / L, design the water COD Cr 30-50mg / L, NH 3 -N is 3-5mg / L.

[0028] The front section of the electric biological turntable is equipped with a high-level pool (that is, a liquid-level regulating storage tank), and the water in the high-level pool meets the needs of liquid level adjustment in the contact reaction tank of the biological turntable. When the biological turntable stops running, the normal water outlet valve of the biological turntable contact reaction tank is closed, the full immersion control water outlet valve (ie hydraulic water level control valve) is opened, and the high-level pool storage wa...

Embodiment 2

[0032] This embodiment provides a biological turntable system with adjustable liquid level, which is composed of a liquid level regulating storage tank, a hydraulic water level control valve and a biological turntable device. The biological turntable device uses a pneumatic biological turntable with a processing scale of 200m 3 / d, raw sewage COD Cr 100-300mg / L, NH 3 -N is 30-50mg / L, design the water COD Cr 30-50mg / L, NH 3 -N is 3-5mg / L.

[0033] The adjustment of the liquid level in the contact reaction tank of the pneumatic biological turntable is realized by increasing the space at the lower part of the biological turntable that contacts the reaction tank. When the biological carousel stops running, the normal water outlet valve of the biological carousel contact reaction tank is closed, the full immersion control water outlet valve is opened, and the biological carousel shaft and the disc are lowered as a whole, so that the disc is in a fully immersed state. When the biologica...

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Abstract

The invention discloses a liquid level adjustable type biological rotating disc system, and belongs to the field of sewage treatment equipment. The system comprises a liquid level adjusting water storage tank, a hydraulic level control valve and a biological rotating disc device, wherein a water outlet of the liquid level adjusting water storage tank is communicated with a water inlet of a reaction tank of the biological rotating disc device through a pipeline and the hydraulic level control valve arranged on the pipeline; the hydraulic level control valve is arranged in the reaction tank of the biological rotating disc device; the position of the liquid level adjusting water storage tank is higher than that of the reaction tank of the biological rotating disc device; and the volume of the liquid level adjusting water storage tank is larger than or equal to that of the reaction tank of the biological rotating disc device. According to the system, the liquid level adjusting water storage tank and the hydraulic control valve are matched to adjust the liquid level of the reaction tank of the biological rotating disc so as to control a submergence ratio of the biological rotating disc, then, the biological rotating disc is adjusted from half submergence to full submergence, and the problem that the biological rotating disc is difficult to start again after shut down is solved.

Description

Technical field [0001] The invention relates to the field of sewage treatment and resource utilization equipment, in particular to a liquid level adjustable biological turntable system dedicated to a biological membrane method for sewage treatment. Background technique [0002] my country is in a period of rapid urbanization development. In particular, the report of the 18th National Congress of the Communist Party of China clearly stated that the promotion of urbanization and urban-rural integration will be the key content of the strategic adjustment of economic structure. According to the forthcoming "National Plan for Promoting the Healthy Development of Urbanization (2011-2020)", in the next ten years, my country will increase its urban population by about 400 million, which can drive 40 trillion investment. The inevitable result of urbanization is the concentration of production factors and economic activities in the region, which leads to a decline in the environmental carr...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): C02F3/08
CPCY02W10/10
Inventor 王俊安潘华崟魏维利姜安平王凯文一波
Owner BEIJING SOUND ENVIRONMENTAL ENG
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