Wastewater treatment device

A technology of wastewater treatment and water filter tank, which is applied in the textile industry wastewater treatment, multi-stage water treatment, water/sewage treatment and other directions, can solve the problems of low precipitation treatment effect, difficult cleaning, long precipitation time, etc., and achieves good pretreatment effect. , The effect of small space occupation and low environmental requirements

Inactive Publication Date: 2018-08-17
安庆市龙珠包装有限公司
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

The sedimentation method can only target the impurities that are easy to sink, and the sedimentation tank takes up a lot of space and takes a long time to settle. When the next step is processed, the impurities at the bottom of the tank are easily stirred during the transfer of printing and dyeing wastewater, which greatly reduces the effect of the previous sedimentation treatment.
The filtration method is based on the fiber length and particle size in the printing and dyeing wastewater, and selects a suitable mesh to filter the printing and dyeing wastewater. Simply filter the printing and dyeing wastewater through the gauze, which is easy to cause blockage to the filter. In order to ensure the flow, To reduce the impact of clogging on the flow rate, the area of ​​the filter screen is often made very large, which not only takes up space, but also the filtered fibers and particles are scattered and difficult to clean

Method used

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Examples

Experimental program
Comparison scheme
Effect test

Embodiment approach 1

[0026] Such as figure 1 and 2 As shown, a kind of waste water treatment device comprises a filter tank 1 and a rotary filter mechanism 2, the bottom of the filter tank 1 is provided with a filter screen 11 at the bottom of the tank, and the rotary filter mechanism 2 includes a rotating shaft 21 and is fixedly connected to the rotating The centrifugal filter blade 22 on the shaft 21, the centrifugal filter blade 22 includes a solid sheet area 221 and a filter screen area 222, and the solid sheet area 221 is arranged on an end where the centrifugal filter blade 22 is connected to the rotating shaft 21, so The filter area 222 is disposed at the end of the centrifugal filter blade 22 . The centrifugal filter blade 22 is arranged obliquely relative to the axial direction of the rotating shaft 21, and the angle A between the centrifugal filtering blade 22 and the rotating shaft 21 is 40°, that is, in the working state, the rotating shaft 21 It is arranged vertically to the horizon...

Embodiment approach 2

[0029] Such as Figures 3 to 7 As shown, a kind of waste water treatment device comprises a filter tank 1 and a rotary filter mechanism 2, the bottom of the filter tank 1 is provided with a filter screen 11 at the bottom of the tank, and the rotary filter mechanism 2 includes a rotating shaft 21 and is fixedly connected to the rotating The centrifugal filter blade 22 on the shaft 21, the centrifugal filter blade 22 includes a solid sheet area 221 and a filter screen area 222, and the solid sheet area 221 is arranged on an end where the centrifugal filter blade 22 is connected to the rotating shaft 21, so The filter area 222 is disposed at the end of the centrifugal filter blade 22 . The centrifugal filter blade 22 is arranged obliquely relative to the axial direction of the rotating shaft 21, and the angle A between the centrifugal filtering blade 22 and the rotating shaft 21 is 40°, that is, in the working state, the rotating shaft 21 Set vertically to the horizontal plane, ...

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Abstract

The invention belongs to the technical field of printing and dyeing wastewater treatment and particularly relates to a wastewater treatment device. The wastewater treatment device comprises a water filtering tank and a rotary filtering mechanism, wherein the bottom of the water filtering tank is provided with a bottom filter screen; the rotary filtering mechanism comprises a rotating shaft and centrifugal filter screen blades fixedly connected to the rotating shaft; every centrifugal filter screen blade is composed of a solid blade area and a filter screen area, the solid blade area is arranged at one end of the centrifugal filter screen, which is connected to the rotating shaft, and the filter screen area is arranged at the tail end of the centrifugal filter screen blade. The wastewater treatment device is compact in structure, reduces space occupation, avoids blocking of the filter screen and effectively preprocess printing and dyeing wastewater.

Description

technical field [0001] The invention belongs to the technical field of printing and dyeing wastewater treatment, and in particular relates to a wastewater treatment device. Background technique [0002] Printing and dyeing wastewater is the most polluting wastewater produced by the textile industry. Its discharge accounts for more than 10% of the total industrial wastewater discharge. It is one of the most important sources of water pollution. The comprehensive treatment of printing and dyeing wastewater is an urgent problem to be solved. [0003] At present, the treatment of printing and dyeing wastewater has formed a typical treatment process, which can be summarized into three levels of treatment: the first level of treatment is the pretreatment of printing and dyeing wastewater, mainly to remove larger fibers and particles in printing and dyeing wastewater; the second level of treatment can remove printing and dyeing wastewater Most of the pollutants in the environment, ...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): B01D36/02C02F1/00C02F103/30
CPCB01D36/02C02F1/001C02F2103/30C02F2301/08
Inventor 曹结渝
Owner 安庆市龙珠包装有限公司
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