Wastewater treatment device

A sewage treatment device and filter device technology, applied in the direction of filtration separation, separation methods, chemical instruments and methods, etc., can solve the problems of unable to filter residual impurities in pipelines, unable to handle impurities, etc., to achieve guaranteed reuse rate, strong practicability, well-structured effects

Active Publication Date: 2019-04-16
ZHEJIANG UNIVERSITY OF SCIENCE AND TECHNOLOGY
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

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Problems solved by technology

[0006] The present invention provides a sewage treatment device aiming at the shortcomings of the prior art that the

Method used

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Examples

Experimental program
Comparison scheme
Effect test

Example Embodiment

[0022] Example 1

[0023] The sewage treatment device includes a filter device 1 and a pipe 2. The pipe 2 is installed on the liquid outlet of the filter device 1 and outputs the filtered liquid. The end of the pipe 2 close to the filter device 1 is defined as the liquid inlet end. An outer pipe 3 at one end is sleeved at the liquid inlet end. Both ends of the outer pipe 3 are welded to the outside of the pipe band 2. A cavity with a circular cross section is formed between the outer pipe 3 and the pipe 2, and the outer pipe 3 and the filter device The distance between the liquid outlets of 1 is 45mm, the outer pipe 3 is connected with a water delivery pipe 7, and the water delivery pipe 7 is tangent to the wall of the outer pipe 3, and the pipe 2 inside the outer pipe 3 is defined as a dredge pipe 20 There are small holes 201 on the wall of the dredging pipe 20. There are multiple and evenly arranged small holes 201 on the dredging pipe 20. The diameter of the small holes 201 gr...

Example Embodiment

[0029] Example 2

[0030] The same as Embodiment 1, except that the filter device 1 includes a first filter cartridge 11, a second filter cartridge 12, and a third filter cartridge 13. The upper end of the first filter cartridge 11 is open and the sewage to be treated is input from the upper end opening. The first filter cartridge 11, the second filter cartridge 12, and the third filter cartridge 13 are sequentially nested with each other. The first filter cartridge 11, the second filter cartridge 12 and the third filter cartridge 13 are provided with filter holes, and the first filter cartridge 11 The diameters of the upper filter holes, the filter holes on the second filter cartridge 12 and the filter holes on the third filter cartridge 13 gradually decrease.

[0031] The bottom of the first filter cartridge 11 is provided with an upwardly protruding first sleeve 111, the bottom of the second filter cartridge 12 is provided with an upwardly protruding second sleeve 121, and the b...

Example Embodiment

[0033] Example 3

[0034] The same as Embodiment 1, except that the first filter cartridge 11, the second filter cartridge 12 and the third filter cartridge 13 are all equipped with a handle 10.

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Abstract

The invention relates to the field of filtration, and discloses a wastewater treatment device. The wastewater treatment device comprises a filtering device (1) and a pipeline (2), an external pipeline(3) sleeves a liquid inlet end of the pipeline (2), the external pipeline (3) is connected with a water conveying pipe (7), a plurality of small holes (201) are formed in the wall surface of a dredging pipeline (20), the small holes (201) are uniformly distributed in the dredging pipeline (20), and the diameters of the small holes (201) are gradually increased in the radial direction of the dredging pipeline (20); the wastewater treatment device further comprises a rotary cylinder (4). According to the wastewater treatment device, through helical distribution of the small holes and gradual decline of the diameters of the small holes, the pressure of water injected into the dredging pipeline is increased, action force is applied to the rotary cylinder in the dredging pipeline, so that therotary cylinder rotates, residual impurities are subjected to secondary treatment through rotating knife blades, and the situation that the pipeline is blocked by wastewater which is treated by a filter device is prevented. Through the structure, the filtered wastewater is subjected to secondary treatment, blocking of the pipeline is effectively prevented, the structure is reasonable, and the practicability is high.

Description

technical field [0001] The invention relates to the field of filter devices, in particular to sewage treatment devices. Background technique [0002] In industrial production, waste water will be produced, which often contains substances or particles harmful to the environment. If it is discharged directly without treatment, it will cause great pollution to the environment. [0003] The existing water treatment device has several disadvantages. First, the cost is high. It often uses complicated treatment devices and consumables that need to be replaced frequently, which greatly increases the cost of use for enterprises in water treatment. The second is that the single service life is short, especially for the treatment of granular wastewater, the sedimentation water treatment device has low efficiency and large volume, and the processing speed often cannot keep up with the production speed of the enterprise. regular maintenance. [0004] Among them, the processing of plast...

Claims

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Application Information

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IPC IPC(8): B01D36/02B01D35/16
CPCB01D35/16B01D36/02
Inventor 薛向东
Owner ZHEJIANG UNIVERSITY OF SCIENCE AND TECHNOLOGY
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