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MFBR sewage treatment device

A technology of sewage treatment device and treatment cylinder, which is applied in the direction of flotation water/sewage treatment, water/sewage multi-stage treatment, water/sludge/sewage treatment, etc., to achieve the effect of reducing floor space, low cost and good effect

Pending Publication Date: 2019-11-12
HUNAN KAITIAN WATER
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Problems solved by technology

Therefore, it is necessary to develop a treatment effect, high treatment efficiency, strong impact load resistance, economical and energy-saving, low infrastructure investment and operating costs, simple and easy treatment process, convenient maintenance and management, and can be used according to the target unit of rural domestic sewage treatment A new type of device and sewage treatment method with the characteristics of normal operation, so as to solve the problem of direct discharge of a large number of rural domestic sewage currently facing

Method used

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  • MFBR sewage treatment device
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Embodiment Construction

[0028] The present invention will be described in detail below in conjunction with the accompanying drawings.

[0029] see Figure 1-2 As shown, the MFBR sewage treatment device of the present embodiment includes a treatment cylinder 24, which is divided into a central adjustment zone 1 and an intermediate reaction zone, an MFBR reaction zone, and an MFBR reaction zone arranged in sequence around the circumference of the adjustment zone by a partition in the treatment cylinder. Precipitation separation zone 6.

[0030]The top of the adjustment area is connected with the water inlet pipe 7, and the top of the adjustment area is obliquely provided with a sand settling folded plate 8 and a grid mesh plate 9, the sand settling folded plate is detachable, and the inclination angle of the settling sand folded plate is 30°-60° , the assembled sand settling folded plate and grid net plate cover the adjustment area, when the sewage to be treated flows into the adjustment area, the scu...

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Abstract

The invention discloses an MFBR sewage treatment device which comprises a treatment cylinder, and the interior of the treatment cylinder is divided into an adjusting area, a middle reaction area, an MFBR reaction area and a precipitation separation area; the MFBR reaction area is divided into a fluidized bed aerobic zone and a fixed bed aerobic zone; wherein the fluidized bed aerobic zone and thefixed bed aerobic zone communicate with each other through a water passing hole formed in the bottom, a fluidized filler and a fixed filler are arranged in the fluidized bed aerobic zone and the fixedbed aerobic zone through grid baskets respectively, and an aeration pipe is arranged at the bottom of the MFBR reaction area; a gas stripping device is arranged in the precipitation separation area,a liquid outlet end of the gas stripping device communicates with the middle reaction area through a return pipe, and the gas stripping device and the aeration pipe provide a gas source through a gaspump. The sewage treatment device adopting the structure has the advantages of economy, energy conservation, low capital construction investment and operation cost, good sewage treatment effect, highsewage treatment efficiency and simple and feasible treatment process.

Description

technical field [0001] The invention relates to the technical field of sewage treatment, in particular to an MFBR sewage treatment device. Background technique [0002] First, the term MFBR is explained. MFBR refers to the sewage treatment reaction zone combining fluidized bed and fixed bed. [0003] Rural domestic sewage treatment is an important part of improving the rural living environment and improving the living standards of rural residents, and it is also an important symbol of rural modernization. With the improvement of rural living standards, water-flush toilets have become popular among farmers, and washing water has increased. The domestic water consumption and centralized water supply rate in rural areas have increased year by year, and the discharge of rural domestic sewage has increased year by year. In 2015, my country's rural population was 797 million. According to the per capita daily domestic water consumption of 83L and the discharge coefficient of 0.8,...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): C02F9/14
CPCC02F9/00C02F3/30C02F1/001C02F1/24C02F2001/007
Inventor 刘君朱春游向伟米梦芯杨侃田华岳中秋
Owner HUNAN KAITIAN WATER
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