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Electric scraping plate type scum removal device, and primary settling tank scum well and primary settling tank scum removal method thereof

A cleaning device and scraper-type technology, which are used in grease/oily substance/float removal devices, separation methods, chemical instruments and methods, etc. Unsatisfactory effect and other problems, to achieve the effect of saving labor costs, simplifying scum cleaning procedures, and high degree of automation

Pending Publication Date: 2019-08-16
中原环保股份有限公司
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

Manual cleaning takes a long time and is expensive, and it is a high-temperature outdoor operation, high-altitude operation, and operation with water, which is dangerous
[0003] Other cleaning methods such as filter-type screw conveying cleaning device, due to the high viscosity of the primary sedimentation scum, which is in the form of fine powder, the filter screen is often blocked. The scum passes through the filter, and the filtering effect is not ideal, and after the brush has been exposed to extrusion for a long time, it will not only fail to clean the filter, but will squeeze the scum and aggravate the blockage of the filter

Method used

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  • Electric scraping plate type scum removal device, and primary settling tank scum well and primary settling tank scum removal method thereof
  • Electric scraping plate type scum removal device, and primary settling tank scum well and primary settling tank scum removal method thereof
  • Electric scraping plate type scum removal device, and primary settling tank scum well and primary settling tank scum removal method thereof

Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0037]Embodiment 1: An electric scraper type scum cleaning device, see figure 1 , including an equipment frame 1 for installation on the side wall of the scum well, a motor bracket 2 is arranged on the upper part of the equipment frame 1, a motor 3 is arranged on the motor bracket 2, and the output shaft of the motor 3 is connected with a first transmission wheel 4. A speed reducer is also provided between the motor 3 and the first transmission wheel 4.

[0038] The lower part of the equipment frame 1 is provided with a driving wheel shaft 5 and a driven wheel shaft 6 respectively near the two ends, and a second driving wheel 7 is arranged at the end of the same side of the driving wheel shaft 5 and the first driving wheel 4, and the first driving wheel 4 and The second transmission wheel 7 is located on the same plane, and the first transmission wheel 4 and the second transmission wheel 7 are connected by an endless transmission chain 8 .

[0039] An annular transmission cha...

Embodiment 2

[0041] Embodiment 2, a kind of primary sedimentation tank scum well using the electric scraper type scum cleaning device in embodiment 1, see Figure 2-Figure 4 , including the well body 11, the scum collecting well chamber 12, the sewage filtering well chamber 13 and the sewage discharge well chamber 14 are sequentially separated in the well body 11, and the well body end side wall where the scum collecting well chamber 12 is located is opened There is a scum mixture inlet 15 connected with the primary sedimentation tank, and the scum collection well chamber 12 and the sewage filtration well chamber 13 are separated by a slag separation plate 16, and a water outlet is provided at the lower part of the slag separation plate 16; The filter well chamber 13 and the sewage discharge well chamber 14 are separated by an overflow plate 17, and the height of the top of the overflow plate 17 is lower than the height of the side wall of the well body 11; There is a drain port 18 on it. ...

Embodiment 3

[0045] Embodiment 3: a kind of primary sedimentation tank scum cleaning method uses the scum well in embodiment 2 to clean up, comprising the following steps:

[0046] (1) The mixed solution of sewage and scum in the primary sedimentation tank enters the scum collection well chamber through the scum mixed solution inlet on the side wall of the scum well, and the scum in the mixed solution floats up under the action of buoyancy, and the sewage in the lower part passes through the compartment The water outlet on the slag plate enters the sewage filtration well chamber to realize pre-separation of slag water;

[0047] (2) Start the electric scraper type scum cleaning device, the motor drives the first transmission wheel to rotate, the first transmission wheel drives the second transmission wheel to rotate through the transmission sprocket, the driving wheel shaft and the second transmission wheel rotate synchronously, through the transmission on both sides The chain drives the dr...

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Abstract

The invention discloses an electric scraping plate type scum removal device, and a primary settling tank scum well and a primary settling tank cum removal method thereof. The removal device comprisesa device frame, a motor bracket and a motor are arranged at the upper part of the device frame, and the output shaft of the motor is connected with a first transmission wheel; a driving wheel axle anda driven wheel axle are arranged at the lower part of the device frame, a second transmission wheel is arranged at one end of the driving wheel axle, and the first transmission wheel and the second transmission wheel are connected by an annular transmission chain; and annular conveying chains are arranged between the driven wheel axle and the driving wheel axle, and scum scraping plates are a equidistantly arranged between the two conveying chains, and are driven by the conveying chains to cyclically move between the driving wheel axle and the driven wheel axle. The scum well is provided withthe removal device and is divided into three well chambers, so a sewage and scum mixed solution discharged from a primary settling tank can be separated secondarily, and scum can be effectively scraped out, so the degree of automation is high, saving of the labor cost is benefited, and the scum removal process is simplified.

Description

technical field [0001] The invention relates to the technical field of sewage treatment, in particular to an electric scraper type scum cleaning device, a matching scum well in a primary sedimentation tank and a method for cleaning scum in the primary sedimentation tank. Background technique [0002] The scum well in the primary sedimentation tank of the sewage treatment plant is mainly to remove the fine impurities floating in the sewage that cannot be filtered out. The scum in the primary sedimentation tank is collected by the scraper and transported to the scum well, and then further filtered through the scum well. The scum is separated from the sewage, and the separated sewage is discharged along the sewage pipe, while the scum is left in the scum well. In the past, the scum in the scum well had to be cleaned manually. It was first salvaged from the water and brought to the ground, dried and then put into the garbage bin for transportation. Generally, it needed to be cle...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): B01D21/04B01D21/24C02F1/40B01D21/20
CPCB01D21/04B01D21/2438C02F1/40B01D21/20
Inventor 王小玲魏明李华伟万晓瑞丁凯和笑天李新喜蒋晚霞李永师晓辉史辰罗鹏
Owner 中原环保股份有限公司
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