CN215900999U - Sedimentation tank convenient to wash mud - Google Patents

Abstract

A sedimentation tank convenient for cleaning sludge, which is used for treating domestic sewage; the sludge scraping arm is provided with the aeration pipe, the rotating shaft is fixedly provided with the spray pipe, bubbles can be formed at the bottom of the inclined plate sedimentation area by utilizing compressed gas in the aeration pipe and flow to the inclined plate, and when the bubbles are in contact with the inclined plate, the bubbles can vibrate to peel off sludge on the surface of the inclined plate, so that the effect of cleaning the sludge is achieved; the rotation of rotation axis can be followed to the shower, sprays to the inclined plate sedimentation district simultaneously, guarantees to spray and covers whole inclined plate sedimentation district completely, washes the swash plate through the impact force of shower water, washes away the mud on swash plate surface, reaches the effect of wasing mud, and the cleaning process goes on automatically, need not manual operation, also need not the clearance of shutting down.

Description

Sedimentation tank convenient to wash mud

Technical Field

The utility model relates to the field of sewage treatment equipment, in particular to a sedimentation tank convenient for cleaning sludge.

Background

The inclined plate sedimentation tank is commonly used for a water supply and reclaimed water treatment sedimentation process, utilizes a shallow tank theory, and has the characteristics of high sedimentation efficiency, short retention time, small tank volume and small floor area. However, after the inclined plate sedimentation tank runs for a long time, sludge particles and algae are bred and biomembranes are attached, so that the overflowing area of the inclined plate is reduced, and sludge blockage and pollution are caused. If not clear up mud, the jam of mud can influence the play water quality of sedimentation tank, consequently need clear up adnexed mud on the swash plate, and traditional mud washs the mode and uses artifical washing as the main, needs to shut down the washing, has intensity of labour big, and the cleaning speed is slow, washs unclean scheduling problem, takes a lot of work and labours, and is with high costs, and shut down and wash the normal use that still can influence the sedimentation tank, causes the loss of shutting down.

SUMMERY OF THE UTILITY MODEL

The utility model aims to make up for the defects of the prior art, provides a sedimentation tank convenient for sludge cleaning, and aims to solve the problems that the conventional sludge cleaning mode is mainly manual cleaning, shutdown cleaning is needed, the labor intensity is high, the cleaning speed is low, cleaning is not clean, and shutdown cleaning can influence the normal use of the sedimentation tank to cause shutdown loss.

Specifically, the technical scheme of the utility model is as follows:

a sedimentation tank convenient for cleaning sludge, which is used for treating domestic sewage; the sedimentation tank convenient for cleaning sludge comprises a tank body, a water inlet arranged at the bottom of the tank body and a water outlet arranged at the top of the tank body, wherein an inclined plate sedimentation area is arranged in the tank body, a honeycomb-shaped inclined plate is arranged in the inclined plate sedimentation area, a rotating shaft penetrates through the inclined plate sedimentation area, a sludge scraping arm is arranged under the inclined plate sedimentation area, the sludge scraping arm is arranged on the rotating shaft, a sludge scraping plate is arranged on the sludge scraping arm, an air supply pipeline is arranged in the rotating shaft, and the air supply pipeline is communicated with an aeration pipe fixed on the sludge scraping arm; a spray pipe is arranged right above the inclined plate sedimentation area, the spray pipe is fixed on the rotating shaft, and a plurality of high-pressure spray heads are arranged in the spray pipe and used for following the rotating shaft to rotate, spray and wash sludge particles in the inclined plate sedimentation area.

Further, the aeration pipe is arranged under the inclined plate, the length of the aeration pipe is not less than the radius of the inclined plate sedimentation area, a plurality of aeration holes are uniformly distributed on the pipe wall of the aeration pipe, compressed gas in the aeration pipe flows to the inclined plate from the aeration holes to form bubbles, and the bubbles can vibrate to peel off sludge on the surface of the inclined plate when contacting the inclined plate, so that the effect of cleaning the sludge is achieved.

Furthermore, the included angle between the aeration holes and the inclined plate is 30 degrees, so that the contact area between the aeration holes and the inclined plate is larger after bubbles are formed in the aeration holes when the rotating shaft moves, and the sludge is more fully cleaned.

Furthermore, the air supply pipeline is connected with a fan which can supply compressed air to the air supply pipeline, so that the air can conveniently generate bubbles after leaving from the aeration hole through the air supply pipeline.

Furthermore, the spray pipe is connected with a water distribution pipe arranged outside the rotating shaft, the water distribution pipe is connected with a water pump, and the water distribution pipe sends clean water into the spray pipe through the water pump to continuously supply water for the spray pipe.

Further, it is equipped with a sludge discharge pipe to scrape mud arm bottom, the sludge discharge pipe can with scrape the mud discharge that mud arm collected, avoid the mud siltation to reduce quality of water in the sedimentation tank.

The sludge cleaning device has the advantages that the aeration pipe is arranged on the sludge scraping arm, the spraying pipe is fixed on the rotating shaft, bubbles can be formed at the bottom of the inclined plate sedimentation area by utilizing compressed gas in the aeration pipe and flow to the inclined plate, and when the bubbles are contacted with the inclined plate, vibration can be generated to peel off sludge on the surface of the inclined plate, so that the effect of cleaning the sludge is achieved; the shower can follow the rotation axis is rotatory, simultaneously to the inclined plate sedimentation district sprays, guarantees to spray and covers whole inclined plate sedimentation district completely, washes the swash plate through the impact force of shower water, washes away the mud on swash plate surface, reaches the effect of wasing mud. The cleaning process is automatically carried out, manual operation is not needed, shutdown cleaning is not needed, the problem that shutdown cleaning is caused due to the fact that manual cleaning is mainly used in the existing sludge cleaning mode is solved, shutdown cleaning is needed, labor intensity is high, cleaning speed is low, cleaning is not clean, and shutdown cleaning can affect normal use of a sedimentation tank.

Drawings

Fig. 1 is a schematic structural diagram of a sedimentation tank convenient for sludge cleaning provided by a first embodiment.

In the figure: 1. the sewage treatment device comprises a tank body, a water inlet, a water outlet, a sloping plate sedimentation area, a rotating shaft, a mud scraping arm, a mud scraping plate, an air supply pipeline, an aeration pipe, an aeration hole, a fan, a spray pipe, a high-pressure spray head, a water distribution pipe, a water pump and a mud discharge pipe, wherein the water inlet is 2, the water outlet is 3, the sloping plate sedimentation area is 4, the rotating shaft is 5, the mud scraping arm is 6, the mud scraping plate is 7, the air supply pipeline is 8, the aeration pipe is 9, the aeration hole is 10, the fan is 11, the spray pipe is 12, the high-pressure spray head is 13, the water distribution pipe is 14, the water pump is 15, and the mud discharge pipe is 16.

Detailed Description

The embodiments described below are only a part of the embodiments of the present invention, and not all of them. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.

Referring to fig. 1, the present embodiment provides a sedimentation tank convenient for cleaning sludge, which is used for treating domestic sewage; sedimentation tank convenient to wash mud includes a cell body 1, one sets up in water inlet 2 of 1 bottom of cell body and one sets up in the delivery port 3 at 1 top of cell body, include an inclined plate sedimentation district 4 in the cell body 1, be equipped with cellular swash plate in the inclined plate sedimentation district 4, inclined plate sedimentation district 4 runs through a rotation axis 5, be equipped with one under the inclined plate sedimentation district 4 and scrape mud arm 6, scrape mud arm 6 install in on the rotation axis 5, it is equipped with one on the mud arm 6 and scrapes mud board 7, rotation axis 5 can drive it is rotatory to scrape mud arm 6, through scrape mud board 7 and collect to the bottom of the pool with the mud in the cell body 1, the concentrated emission of the mud of being convenient for.

An air supply pipeline 8 is arranged in the rotating shaft 5, and the air supply pipeline 8 is communicated with an aeration pipe 9 fixed on the mud scraping arm 6; the aeration pipe 9 is arranged under the inclined plate, and the length of the aeration pipe 9 is not less than the radius of the inclined plate sedimentation zone 4, so that the aeration pipe 9 can cover the whole inclined plate sedimentation zone 4 during aeration. A plurality of aeration holes 10 are uniformly distributed on the pipe wall of the aeration pipe 9, the air supply pipeline 8 is connected with a fan 11, and the fan 11 can supply compressed air to the air supply pipeline 8, so that the air can leave from the aeration holes 10 through the air supply pipeline 8 to generate bubbles. The compressed gas in the aeration pipe 9 flows to the inclined plate from the aeration holes 10 and forms bubbles, and when the bubbles contact with the inclined plate, the bubbles vibrate to peel off the sludge on the surface of the inclined plate, so that the effect of cleaning the sludge is achieved. The included angle between the aeration holes 10 and the inclined plate is 30 degrees, so that the contact area between the aeration holes 10 and the inclined plate after bubbles are formed in the rotation shaft during movement is larger, and sludge is more fully cleaned.

A spray pipe 12 is arranged right above the inclined plate sedimentation area, the spray pipe 12 is fixed on the rotating shaft 5, the spray pipe 12 is connected with a water distribution pipe 14 arranged on the outer side of the rotating shaft 5, the water distribution pipe 14 is connected with a water pump 15, and the water distribution pipe 14 sends clean water into the spray pipe 12 through the water pump 15, so that the spray pipe 12 continuously supplies water. Be equipped with a plurality of high pressure nozzle 13 in the shower 12, the clean water has higher impact force behind the high pressure nozzle, can erode mud when contacting with the mud on the swash plate and make it break away from the swash plate, get into the bottom of the pool by scrape the mud arm and collect.

When the sedimentation tank convenient for cleaning sludge works, sewage enters the sedimentation tank from the water inlet 2 and leaves from the water outlet 3, and impurities in domestic sewage are precipitated by the inclined plate sedimentation zone 4 in the tank body 1 by utilizing the shallow tank principle, and the precipitated sludge is collected by the sludge scraping arm 6. However, after the sedimentation tank is operated for a long time, sludge particles, algae breeding and biofilm attachment occur, so that the overflowing area of the inclined plate is reduced, and sludge blockage and pollution are caused, therefore, the sludge on the inclined plate needs to be removed through the aeration pipe 9 and the spray pipe 12, the air supply pipeline 8 in the rotating shaft 5 sends compressed air to the aeration holes 10, so that the aeration holes 10 generate bubbles and flow to the inclined plate, when the bubbles are in contact with the inclined plate, vibration is generated to strip the sludge on the surface of the inclined plate, meanwhile, the water distribution pipe 14 sends clean water into the spray pipe 12 through the water pump 15, the clean water flows out of the high-pressure spray head, the sludge is washed out of the inclined plate, under the dual effects of the bubbles and the spray water, the sludge is effectively removed, the sludge is ensured not to be blocked and polluted, and the water outlet quality of the sedimentation tank can be effectively improved.

The aeration pipe is arranged on the mud scraping arm, the spraying pipe is fixed on the rotating shaft, bubbles can be formed at the bottom of the inclined plate sedimentation area by utilizing compressed gas in the aeration pipe and flow to the inclined plate, and when the bubbles are contacted with the inclined plate, vibration can be generated to peel off sludge on the surface of the inclined plate, so that the effect of cleaning the sludge is achieved; the shower can follow the rotation axis is rotatory, simultaneously to the inclined plate sedimentation district sprays, guarantees to spray and covers whole inclined plate sedimentation district completely, washes the swash plate through the impact force of shower water, washes away the mud on swash plate surface, reaches the effect of wasing mud. The cleaning process is automatic to go on, need not manual operation, also need not to shut down the clearance to solve present mud cleaning mode of system and use manual cleaning as the main, need shut down the washing, intensity of labour is big, and the cleaning rate is slow, washs unclean, and shut down the washing and still can influence the normal use of sedimentation tank, cause the defect of shutdown loss, be fit for domestic sewage treatment and use.

The above disclosure is only for the purpose of illustrating the preferred embodiments of the present invention, and it is therefore to be understood that the utility model is not limited by the scope of the appended claims.

Claims (6)

1. A sedimentation tank convenient for cleaning sludge, which is used for treating domestic sewage; the sedimentation tank convenient for cleaning sludge comprises a tank body, a water inlet arranged at the bottom of the tank body and a water outlet arranged at the top of the tank body, and is characterized in that an inclined plate sedimentation area is arranged in the tank body, a honeycomb-shaped inclined plate is arranged in the inclined plate sedimentation area, the inclined plate sedimentation area penetrates through a rotating shaft, a sludge scraping arm is arranged right below the inclined plate sedimentation area, the sludge scraping arm is arranged on the rotating shaft, a sludge scraping plate is arranged on the sludge scraping arm, an air supply pipeline is arranged in the rotating shaft, and the air supply pipeline is communicated with an aeration pipe fixed on the sludge scraping arm; a spray pipe is arranged right above the inclined plate sedimentation area, the spray pipe is fixed on the rotating shaft, and a plurality of high-pressure spray heads are arranged in the spray pipe and used for following the rotating shaft to rotate, spray and wash the inclined plate sedimentation area.

2. A sedimentation tank convenient for sludge cleaning as claimed in claim 1, wherein the aeration pipe is arranged under the inclined plate, the length of the aeration pipe is not less than the radius of the inclined plate sedimentation zone, and a plurality of aeration holes are uniformly distributed on the pipe wall of the aeration pipe.

3. A sedimentation tank convenient for sludge cleaning as claimed in claim 2, wherein the angle between the aeration holes and the inclined plate is 30 °.

4. A sedimentation tank facilitating sludge cleaning as claimed in claim 1, wherein a fan is connected to the air supply pipe for supplying compressed gas to the air supply pipe.

5. A sedimentation tank convenient for sludge cleaning as claimed in claim 1, wherein the shower pipe is connected to a water distribution pipe provided outside the rotary shaft, the water distribution pipe being connected to a water pump.

6. A sedimentation tank convenient for sludge cleaning as claimed in claim 1, wherein a sludge discharge pipe is provided at the bottom of the sludge scraping arm.

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