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Sludge pretreatment device

A pretreatment device and sludge technology, applied in sludge treatment, water/sludge/sewage treatment, dehydration/drying/thickened sludge treatment, etc., can solve the problems of high equipment investment and treatment costs, and achieve daily operating costs Low power consumption, low power consumption, convenient maintenance and management

Pending Publication Date: 2019-01-18
玉林市凯政环保科技有限公司 +1
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

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Problems solved by technology

The existing sludge drying treatment methods are mainly through dryer drying or centrifuge dehydration drying, etc., but the equipment investment and treatment costs are high, and it is difficult to popularize and apply in small sewage treatment plants

Method used

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  • Sludge pretreatment device

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Embodiment 1

[0019] Such as figure 1 As shown, a sludge pretreatment device includes a sludge settling tank 1 and a drying area 11; the top of the sludge settling tank 1 is provided with a sludge inlet pipe 2 and a sludge outlet pipe 4; the sludge The side of the inlet pipe 2 is provided with a dosing device 3; the sludge outlet pipe 4 extends from the bottom of the sludge settling tank 1 to the top of the drying area 11; the sludge outlet pipe 4 is provided with a delivery pump 5, so that The end of the sludge outlet pipe 4 is provided with a plug 12; the sludge outlet pipe 4 is provided with a mud outlet pipe 7; one side of the sludge outlet pipe 4 is provided with a support rod 14; The mud outlet pipe 7 communicates with the sludge outlet pipe 4; the drying area 11 includes a drying chamber 6, a rotating device 9 and a water accumulation container 19; an activated carbon filter layer 8 is arranged in the drying chamber 6; Both sides of the airing chamber 6 are provided with chutes 16; ...

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Abstract

The invention discloses a sludge pretreatment device which comprises a sludge settling tank and an airing area, wherein a sludge inlet pipe and a sludge outlet pipe are arranged on the top of the sludge settling tank; a dosing device is arranged on the side of the sludge inlet pipe; a plug is arranged at the tail end of the sludge outlet pipe; a mud outlet pipe is arranged on the sludge outlet pipe; a supporting rod is arranged on one side of the sludge outlet pipe; the airing area comprises an airing cavity, a rotating device and a water container; a water outlet pipe is arranged at the bottom of the airing cavity; the rotating device is arranged between the airing cavity and the water container; a connecting pipe is arranged on one side of the water container; the water container is communicated with the bottom of the sludge settling tank by virtue of the connecting pipe; a one-way valve is arranged on the connecting pipe; and a branch drainage pipe is arranged on the other side of the water container. The sludge pretreatment device disclosed by the invention is simple in structure, convenient to operate, high in device reliability, convenient to maintain and manage, low in powerconsumption and low in daily operating cost.

Description

technical field [0001] The invention belongs to the technical field of wastewater sludge treatment, and in particular relates to a sludge pretreatment device. Background technique [0002] Sludge contains high moisture, so it is not easy to use it directly in the soil and fertilize the fields. It is a waste to throw it away, and it is not easy to handle. Nowadays, the urban sewage treatment industry is developing rapidly, and the output of urban sludge is increasing day by day. The disposal and development of sludge The problem of utilization has attracted people's attention day by day. In order to facilitate transportation and comprehensive utilization or final disposal, it is necessary to further reduce the moisture content by drying. The drying treatment of sludge makes it possible to use sludge for agriculture, use as fuel, incinerate and even reduce landfill sites. The existing sludge drying treatment methods are mainly through dryer drying or centrifuge dehydration d...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): C02F11/13C02F11/121
CPCC02F11/12C02F11/121
Inventor 郭辰黄蓉孙翠芳覃岳隆焦阳黄子儒
Owner 玉林市凯政环保科技有限公司
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