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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

AI Technical Summary

Problems solved by technology

[0006] The present invention provides a sewage treatment device aiming at the shortcomings of the prior art that the residual impurities in the pipeline cannot be filtered and the impurities in the filter device cannot be processed.

Method used

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Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0023] The sewage treatment device includes a filter device 1 and a pipeline 2. The pipeline 2 is installed on the liquid outlet of the filter device 1 and outputs the filtered liquid. The end of the pipeline 2 close to the filter device 1 is defined as the liquid inlet. The end of the pipeline 2 An outer pipe 3 is sleeved at the liquid inlet, and both ends of the outer pipe 3 are welded outside the pipe band 2. A cavity with a circular cross-section is formed between the outer pipe 3 and the pipe 2. The outer pipe 3 and the filter device The distance between the liquid outlets of 1 is 45 mm, the outer pipe 3 is connected with a water pipe 7, the water pipe 7 is tangent to the wall surface of the outer pipe 3, and the pipe 2 located inside the outer pipe 3 is defined as a dredging pipe 20 , the wall surface of dredging pipeline 20 is provided with small hole 201, and small hole 201 has a plurality of and is evenly arranged on dredging pipeline 20, and the diameter of small hole...

Embodiment 2

[0030] Same as embodiment 1, the difference is 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 opened 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 nested with each other in turn, the first filter cartridge 11, the second filter cartridge 12 and the third filter cartridge 13 are provided with filter holes, the first filter cartridge 11 The diameters of the filter holes on the upper filter cartridge, 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 shaft sleeve 111, the bottom of the second filter cartridge 12 is provided with an upwardly protruding second shaft sl...

Embodiment 3

[0034] It is the same as Embodiment 1, except that the handle 10 is installed on the first filter cartridge 11 , the second filter cartridge 12 and the third filter cartridge 13 .

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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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