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Sewage settling tank

A sedimentation tank and sewage technology, which is applied in the fields of sedimentation separation, water/sewage multi-stage treatment, water/sludge/sewage treatment, etc. Not high problems, to achieve the effect of improving volume and accelerating efficiency

Active Publication Date: 2019-05-17
上饶市川和建材有限公司
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0003] The traditional sedimentation tank uses a stirring mechanism to make the flocculation and sedimentation agent fully contact with the sewage, but due to the large volume of the sedimentation tank, the contact efficiency of the flocculant and the sewage is not high, resulting in a slow speed of sedimentation and flocculation, which affects the efficiency of sewage treatment

Method used

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Examples

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Effect test

Embodiment 1

[0020] see Figure 1~3 , in an embodiment of the present invention, a sewage settling tank includes a tank body 1; a mixing cylinder 2 is arranged in the tank body 1, and the mixing cylinder 2 is located at the central axis of the tank body 1, and the mixing cylinder 2 is a conical shape with an open lower end. The mixing cylinder 2 is fixedly connected to the inner wall of the tank body 1 through the installation rod 3; the central axis of the mixing cylinder 2 is provided with a vertical outlet pipe 4, and the vertical outlet pipe 4 is connected to the water inlet pump 6 through the water inlet pipe 5, and the water inlet pump 6 communicates with the external waste water tank to be treated, and the water inlet pump 6 is electrically connected with the external power supply, and the water inlet pump 6 pumps the waste water through the water inlet pipe 5 to the vertical outlet pipe 4 in the mixing cylinder 2 for discharge; the vertical outlet pipe 4 The upper end is provided w...

Embodiment 2

[0025] The difference between this embodiment and Embodiment 1 is that: the lower end of the sedimentation chamber 16 is connected with a feeding pipe 17, and the side of the feeding pipe 17 is connected with a mud outlet pipe 19, and the mud outlet pipe 19 is provided with a manual valve. There is a vertical spiral blade roller 18 inside, and a horizontal spiral blade roller 20 is arranged in the mud outlet pipe 19. The rotating shaft of the vertical spiral blade roller 18 and the rotating shaft of the horizontal spiral blade roller 20 extend in reverse and are connected by a transmission gear set 21. The transmission gear set 21 includes a group of bevel gears that are vertically cut and engaged with each other; the rotating shaft of the horizontal spiral blade roller 20 is connected with a second drive motor 22 through a coupling, and the second drive motor 22 is electrically connected with an external power supply. The drive motor 22 drives the vertical helical blade roller...

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Abstract

The invention discloses a sewage settling tank, comprising a tank body; a mixing barrel, which has a conical tubular structure and is provided with an opening at the lower end, is arranged at the central axis position of the tank body, and a vertical water outlet pipe is arranged at the central axis position of the mixing barrel; a mixing plate is arranged at the upper end of the vertical water outlet pipe, and is fixedly connected with a center shaft; the center shaft is fixedly connected with liquid outlet pipes which are distributed along the circumference and are communicated with the center shaft. By arranging the vertical water outlet pipe and the liquid outlet pipes, which are arranged opposite to each other, as well as the mixing barrel having the conical tubular structure, the mixing plate and the rotating center shaft, swirling flow is formed under the stirring of the mixing plate during head-on collision and mixing of a precipitant and sewage, so that the efficiency of flocculating precipitation is increased, the volumes of precipitate flocculation blocks are enlarged, and the generation of subsequent precipitate is facilitated; by arranging a vertical helical blade roller and a horizontal helical blade roller which are linked with each other, the sludge can be discharged outside, and a sludge discharge pipe is prevented from being blocked.

Description

technical field [0001] The invention relates to the field of sewage treatment equipment, in particular to a sewage sedimentation tank. Background technique [0002] Sedimentation tank is a structure that uses sedimentation to remove suspended solids in water and is an equipment for purifying water quality. Use the natural precipitation of water or the effect of coagulation and sedimentation to remove suspended solids in water. The sedimentation tank is divided into horizontal sedimentation tank and vertical sedimentation tank according to the direction of water flow. The sedimentation effect depends on the flow rate of the water in the sedimentation tank and the residence time of the water in the tank. In order to improve the sedimentation effect and reduce the land area, honeycomb inclined tube counterflow sedimentation tanks, accelerated clarifiers, pulse clarifiers, etc. are currently used. Sedimentation tanks are widely used in wastewater treatment. [0003] The tradi...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): B01D36/04B01D21/01C02F9/04
Inventor 陆涛
Owner 上饶市川和建材有限公司
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