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Sewage treatment device with biological granulating fluidized bed

A technology of sewage treatment device and fluidization device, which is applied in sustainable biological treatment, flocculation/sedimentation water/sewage treatment, aerobic process treatment, etc. The biological sludge has not achieved synchronization, the treatment facilities are huge and other problems, so as to achieve the effect of compact structure, reasonable design and small size of the device

Inactive Publication Date: 2006-11-29
XI'AN UNIVERSITY OF ARCHITECTURE AND TECHNOLOGY
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Problems solved by technology

[0005] However, the above technologies are aimed at improving the biodegradability and the efficiency of solid-liquid separation. The degradation of organic matter and the separation of SS and biological sludge have not yet been synchronized. Therefore, it is necessary to complete their respective tasks in the two units, and the process flow is long. , the treatment facilities are huge, the treatment efficiency is low, and it is difficult to realize the integration, integration and miniaturization of treatment facilities

Method used

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  • Sewage treatment device with biological granulating fluidized bed
  • Sewage treatment device with biological granulating fluidized bed

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Embodiment Construction

[0022] The present invention will be further described below in conjunction with accompanying drawing:

[0023] The invention is mainly composed of three parts: a main body of a biological granulation fluidized bed device I, a sewage pressurization and dosing device II, and a reflux oxygen dissolving device III.

[0024] Biological granulation fluidized bed device main body 1 is made of inner cylinder 17 and outer cylinder 20, and inner cylinder 17 and outer cylinder 20 keep relative position fixed by bottom annular tube bottom 14 and support 26,28. Inside the inner cylinder 17 is the bed body of the biological granulation fluidized bed, the lower part is the granulation zone 19, and the upper part is the buffer zone 21, and the stirring blade 18 is installed in the granulation zone 19, which is connected with the speed regulating motor 25 through the stirring shaft 24 , driven by a speed-regulating motor 25, the top of the inner cylinder is provided with a bell mouth 23 for d...

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Abstract

The invention discloses a device for processing the waste water of a biological granulating fluidized bed, which comprises: a biological granulating fluidized bed, a device of effluent pressurization and administration, and a device for reflux dissolved oxygen consisting of a reflux valve (30), a dissolved oxygen water tank (31), a reflux pump (32) and a control valve, connecting the outer cylinder (20) of the biological granulating fluidized bed with reflux drain opening (29) and connecting the device of effluent pressurization and administration with the triple valve (6) to produce the reflux circuit. The invention highly effective removals the suspended matter and organic matter in the waste water, and synchronizing finishes the solid-liquid separation in a unit.

Description

technical field [0001] The present invention relates to a sewage treatment device, in particular to a device that organically combines activated sludge biological treatment technology with granulation fluidized bed solid-liquid separation technology, and simultaneously realizes sewage biological treatment and solid-liquid separation in one unit, capable of Efficiently remove suspended solids and organic matter in sewage, and quickly complete solid-liquid separation. The invention is applicable to urban sewage treatment, sewage treatment in living quarters, and industrial wastewater treatment, and is especially suitable for decentralized sewage treatment and reuse. Background technique [0002] The main removal objects of sewage treatment are organic pollutants and suspended solids (SS) in water. The method of removing organic matter is generally activated sludge method, which uses microorganisms growing in sludge to degrade organic pollutants in water; the method of removin...

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): C02F1/52C02F3/02
CPCY02W10/10
Inventor 王晓昌袁宏林
Owner XI'AN UNIVERSITY OF ARCHITECTURE AND TECHNOLOGY
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