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Improved vertical flow precipitation device

An improved vertical flow sedimentation technology, which is applied to the feeding/discharging device of the settling tank, sedimentation separation, chemical instruments and methods, etc., can solve the problems of easy to leave dead ends, time-consuming and laborious sludge speed, etc., and reduce labor Management costs, effects of avoiding the growth of mosquitoes and moss algae

Pending Publication Date: 2020-04-14
武汉益锦祥生物环保有限公司
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  • Claims
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AI Technical Summary

Problems solved by technology

[0006] In order to solve the problems of time-consuming and labor-intensive manual salvage of floating mud and the slow speed of discharging sludge by hydrostatic pressure and easy to leave dead ends, the present invention provides an improved vertical flow sedimentation device

Method used

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Embodiment 1

[0027] An improved vertical flow sedimentation device, including a sedimentation tank 1, the interior of the sedimentation tank 1 is a funnel-shaped structure, the bottom of the sedimentation tank 1 is provided with a first mud collecting pipe 9, and the first mud collecting pipe 9 is distributed in the shape of Feng, Offer some mud-suction holes on the first mud-collecting pipe 9, and some mud-suction holes are distributed in two rows and are arranged symmetrically about the axis of the first mud-collecting pipe 9. One end of the first mud-collecting pipe 9 is a closed structure and the other end is Open structure, the opening end of the first mud collecting pipe 9 is connected to the mud collecting tube 5, and the bottom of the mud collecting tube 5 is provided with a sludge pump 8;

[0028] Settling tank 1 is provided with a central cylinder 2, and a gap is provided between the lower part of central cylinder 2 and the first mud collecting pipe 9, so that the liquid phase and...

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Abstract

The invention discloses an improved vertical flow precipitation device. The device comprises a settling pond, the interior of the settling pond is of a funnel-shaped structure, a first sludge collecting pipe is arranged at the bottom of the settling pond and provided with a plurality of sludge suction holes, one end of the first sludge collecting pipe is of a closed structure, the other end of thefirst sludge collecting pipe is of an open structure, the open end of the first sludge collecting pipe communicates with a sludge collecting barrel, a sludge pump is arranged at the bottom of the sludge collecting barrel; a central cylinder is arranged in the sedimentation tank; a gap is formed between the lower part of the central cylinder and the first sludge collecting pipe, a second sludge collecting pipe is arranged at the upper part of the settling pond, a water inlet pipe is communicated with the upper part of the central cylinder, a plurality of drain holes are formed in the second sludge collecting pipe, one end of the second sludge collecting pipe is closed, and the other end of the second sludge collecting pipe is open; an outlet of the sludge pump extends out of the sludge collecting barrel; sludge and floating sludge are discharged in time, and sludge denitrification and breeding of mosquitoes and algae on the floating sludge are avoided.

Description

technical field [0001] The invention belongs to the technical field of sewage treatment, in particular to an improved vertical flow sedimentation device. Background technique [0002] At present, the daily treatment capacity of sewage is less than 1000m 3 / d sewage treatment facilities, vertical flow sedimentation tanks are often used at the end of biochemical treatment tanks. The main function is to realize the separation of mud and water in biochemical tank sewage through gravity natural sedimentation. After sedimentation, the supernatant can directly enter the next level of treatment or be directly disinfected and discharged. The pump pumps back to the biochemical treatment tank. [0003] In the process of sewage treatment, after aerobic biochemical treatment of domestic sewage with low ammonia nitrogen concentration, the accumulated content of nitrate nitrogen is small, the denitrification effect is not strong, and there is little floating sludge. Even if the water st...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): B01D21/00B01D21/24B01D21/30
CPCB01D21/0042B01D21/2433B01D21/245B01D21/30
Inventor 柯雪佳向宇谢欢余宗波
Owner 武汉益锦祥生物环保有限公司
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