CN211141621U - Sedimentation tank - Google Patents

Abstract

The utility model relates to a sedimentation tank, which relates to the technical field of sewage treatment. The sliding frame is provided with a mud scraper that interferes with the bottom wall of the pool body, the top of the pool body is provided with a driving device connected with the sliding frame, and the outer side wall of the pool is provided with a bottom wall connected to the bottom wall of the pool body. Sewage components. The utility model drives the mud scraper to move by starting the driving device, so as to drive the mud to move toward the lower end of the bottom wall of the tank body, and at the same time, the sewage discharge component is started to discharge the mud, so that manual cleaning of the mud is not required, and the labor intensity of the staff is reduced. Improve the efficiency of sedimentation tank dredging.

Description

a sedimentation tank

technical field

The utility model relates to the technical field of sewage treatment, in particular to a sedimentation tank.

Background technique

Sedimentation tank is a sedimentation tank structure that uses sedimentation to remove suspended solids in water and purifies water quality. Use the action of natural precipitation or coagulation precipitation of water 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 is determined by 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, the honeycomb inclined tube countercurrent sedimentation tank, accelerated clarifier, pulse clarifier, etc. are currently used.

However, in the prior art, when the sedimentation tank is regularly dredged, it is necessary to manually enter the sedimentation tank for digging and dredging. The sludge at the bottom of the sedimentation tank is easy to slip and cause personal injury. Sludge time is reduced, which reduces the efficiency of dredging in the sedimentation tank of the sewage treatment plant.

Utility model content

The purpose of the utility model is to provide a sedimentation tank, which eliminates the need for manual cleaning of sludge, reduces the labor intensity of staff, and improves the efficiency of sedimentation tank cleaning.

The above-mentioned purpose of the present invention is achieved through the following technical solutions:

A sedimentation tank, comprising a tank body, the bottom wall of the tank body is inclined along the length direction of the tank body, and the tank body is provided with a sliding frame parallel to the length direction of the bottom wall in the tank body, and the sliding frame There is a scraper against the bottom wall of the pool body, the top of the pool body is provided with a driving device connected with the sliding frame, and the outer side wall of the pool body is provided with a sewage discharge that communicates with the lowest part of the bottom wall of the pool body. components.

By adopting the above technical solution, the driving device starts to drive the sliding frame to move, and the movement of the sliding frame drives the scraper to move from the higher end of the bottom wall of the pool body toward the lower end of the bottom wall of the pool body, thereby driving the sludge toward the lower end of the bottom wall of the pool body. The lower end moves, and at the same time, the sewage discharge component starts to discharge the sludge, so that there is no need to manually clean the sludge, which reduces the labor intensity of the staff and improves the efficiency of the sedimentation tank dredging.

Preferably, the driving device includes a fixing plate arranged on the top of the pool body, a connecting block that is slidably arranged on the fixing plate and connected to the sliding frame along the length direction parallel to the bottom wall of the pool body, a connecting block arranged on the fixing plate and connected to the sliding frame. The connecting block connects and drives the drive assembly that moves the connecting block.

By adopting the above technical solution, the driving component drives the connecting block to move, and the connecting block moves to drive the sliding frame to move, so as to achieve the purpose of driving the sliding frame to move by the driving component.

Preferably, the drive assembly includes a drive screw rotatably arranged on the fixing plate and whose axis is parallel to the longitudinal direction of the bottom wall of the pool body and threadedly connected with the connecting block, and a drive motor arranged on the fixing plate and connected with the driving screw.

By adopting the above technical solution, the drive motor starts to drive the drive screw to rotate, and the drive screw rotates to drive the connection block to move, so as to achieve the purpose of the drive motor to drive the connection block to move.

Preferably, the scraper is vertically slidably arranged on the sliding frame, the top of the sliding frame is provided with a lifting assembly connected to the scraper, and the lifting assembly includes a vertical sliding arrangement on the sliding frame The sliding block connected with the scraper, and the lifting cylinder arranged on the top of the sliding frame and connected with the scraper.

By adopting the above technical solution, the lifting cylinder is activated to drive the scraper away from the bottom wall of the tank body, the driving device is activated to drive the sliding frame to move back to its original position, and then the lifting cylinder is activated to drive the scraper to move down so that the scraper is in contact with the tank body. On the bottom wall to facilitate the next dredging work, thereby reducing the probability of the mud scraper moving with the mud scraper during the recovery movement, and improving the mud scraper's removal effect on the bottom wall of the pool. , and further improve the dredging effect of the sedimentation tank.

Preferably, the sewage assembly comprises a sewage pipe disposed on the outer side wall close to the lower side of the bottom wall of the tank body and having an end away from the tank body in a closed shape and communicated with the tank body, and a sewage pipe disposed at one end of the sewage pipe away from the tank body. And the sewage discharge motor whose output shaft passes through the sewage discharge pipe, the rotating rod arranged on the output shaft of the sewage discharge motor and extending into the tank body, the sewage discharge sheet with the outer diameter equal to the inner diameter of the sewage discharge pipe and in a spiral shape, which is arranged on the rotating rod, The discharge pipe is on the lower side wall of the sewage pipe and is close to the side of the driving motor, and the sewage valve is arranged on the discharge pipe.

By adopting the above technical solution, the blowdown valve is opened, the blowdown motor is activated to drive the rotation rod to rotate, the rotation of the rotation rod drives the rotation of the blowdown sheet, and the rotation of the blowdown sheet drives the sludge in the pool to move toward the feeding pipe, and finally discharge from the feeding pipe; , the blowdown motor stops and the blowdown valve closes.

Preferably, a water inlet groove and a water outlet groove are respectively provided on two opposite side walls in the width direction of the pool body and on the side close to the top of the pool body, and the water inlet groove is located on the lower side near the bottom wall of the pool body. A water outlet pipe which passes through the side wall of the pool body and communicates with the water outlet groove is arranged on the side wall of the external body.

By adopting the above technical solution, the sewage is discharged into the water inlet tank, and then overflows into the tank body through the water inlet tank, which reduces the impact force of the water flow directly discharged into the tank body on the bottom wall of the tank body, and reduces the sedimentation on the bottom wall of the tank body. The probability that the sludge re-floats into the upper layer of clean water, the upper layer of clean water overflows into the outlet tank, and finally is discharged through the outlet pipe, thereby improving the efficiency of sewage treatment in the sedimentation tank.

Preferably, the bottom of the water inlet trough is evenly provided with sink holes.

By adopting the above technical solution, the arrangement of the sink hole further reduces the impact force on the sludge on the bottom wall of the tank body when the sewage is discharged into the tank body, and improves the sewage treatment efficiency of the sedimentation tank.

Preferably, the side wall of the water outlet tank close to the water inlet tank is provided with a water passage hole, and a filter plate is embedded in the water passage hole.

By adopting the above technical scheme, the water flow in the upper layer is further filtered through the arrangement of the filter plate, the existence of impurities in the water flow is reduced, and the cleanliness of the treated sewage is improved.

To sum up, the beneficial technical effects of the present utility model are:

1. The scraper is driven to move by the driving device, so as to drive the sludge to move towards the lower end of the bottom wall of the tank. At the same time, the sewage component is activated to discharge the sludge, so that there is no need to manually clean the sludge, which reduces the labor intensity of the staff and improves the improve the efficiency of sedimentation tank dredging;

2. The scraper is driven to move up and down by the lift cylinder, and the drive motor starts to drive the sliding frame to move back to its original position, thereby reducing the probability that the mud scraper moves with the scraper during the recovery movement, and improves the The scraper can remove the sludge on the bottom wall of the tank body, which further improves the sludge removal effect on the sedimentation tank;

3. By discharging the sewage into the water inlet tank, the impact force of the water flow directly into the pool body on the bottom wall of the pool body is reduced, thus reducing the probability of the sludge deposited on the bottom wall of the pool body re-floating to the upper layer of clean water. The clean water flows into the water outlet tank, and finally is discharged through the water outlet pipe, so as to improve the efficiency of sewage treatment in the sedimentation tank;

4. Through the setting of the filter plate, the water flow in the upper layer is further filtered, the existence of impurities in the water flow is reduced, and the cleanliness of the treated sewage is improved.

Description of drawings

Fig. 1 is the three-dimensional structure schematic diagram of the present utility model;

Fig. 2 is the structural schematic diagram of the present utility model, wherein the sewage pipe is sectioned along the axis of the rotating shaft, and the side wall of the pool body is partially sectioned;

Fig. 3 is the partial structure schematic diagram of the present invention, mainly showing the lifting assembly;

Fig. 4 is a partial structural schematic diagram of the present invention, mainly showing the water inlet tank and the water outlet tank, in which the filter plate is exploded.

Reference numerals: 10, pool body; 11, water inlet; 12, water outlet; 13, downhole; 14, water passage; 15, filter plate; 16, outlet pipe; 20, sliding frame; 21, sliding groove; 22, scraper; 30, lifting assembly; 31, sliding block; 32, lifting cylinder; 40, driving device; 41, fixing plate; 411, sliding hole; 42, connecting block; 43, driving assembly; 431 50, sewage assembly; 51, sewage pipe; 52, sewage motor; 53, rotating rod; 54, sewage sheet; 55, feeding pipe; 56, sewage valve.

Detailed ways

The present utility model will be described in further detail below in conjunction with the accompanying drawings.

A sedimentation tank, with reference to FIG. 1 , includes a tank body 10, the inner bottom wall of the tank body 10 is inclined along the length direction of the tank body 10, and the tank body 10 is provided with sliding along the length direction parallel to the inner bottom wall of the tank body 10. Rack 20.

Referring to FIGS. 2 and 3 , the sliding frame 20 is provided with a scraper 22 against the inner bottom wall of the pool body 10 , the sliding frame 20 is provided with a sliding groove 21 in the vertical direction, and the sliding frame 20 The top end is provided with a lifting assembly 30 connected with the scraper 22. The lifting assembly 30 includes a sliding block 31 and a lifting cylinder 32. The sliding block 31 is fixedly installed on the scraper 22 and is slidably arranged on the sliding groove 21. The lift cylinder 32 is fixedly installed on the top of the sliding frame 20 , and the piston rod of the lift cylinder 32 is fixedly connected to the top surface of the scraper 22 .

The top of the pool body 10 is provided with a driving device 40 connected with the sliding frame 20. The driving device 40 includes a fixing plate 41, a connecting block 42, and a driving assembly 43. The fixing plate 41 is provided with two pieces and is fixedly installed on the top of the pool body 10. The two opposite side walls of the two fixing plates 41 are provided with sliding holes 411 parallel to the length direction of the inner bottom wall of the pool body 10; On the sliding hole 411; the driving assembly 43 is arranged on the fixing plate 41 and is connected with the connecting block 42 and drives the connecting block 42 to move. The driving assembly 43 includes a driving screw 431 and a driving motor 432. The axis of the driving screw 431 is parallel to the length direction of the inner bottom wall of the pool body 10 and is threadedly connected with the connecting block 42 ; the driving motor 432 is fixedly installed on the fixing plate 41 and the driving screw 431 is fixedly connected.

The outer side wall of the pool body 10 is provided with a sewage assembly 50 which communicates with the lowest part of the inner bottom wall of the tank body 10. The sewage assembly 50 includes a sewage pipe 51, a sewage motor 52, a rotating rod 53, a sewage sheet 54, a feeding pipe 55, and a sewage valve. 56. The sewage pipe 51 is fixedly installed on the outer side wall close to the lower side of the inner bottom wall of the pool body 10 and communicated with the pool body 10. At the same time, the end of the sewage pipe 51 away from the pool body 10 is closed; On the end of the sewage pipe 51 away from the tank body 10, the output shaft of the sewage discharge motor 52 passes through the sewage discharge pipe 51; the rotating rod 53 is fixedly installed on the output shaft of the sewage discharge motor 52 and extends into the tank body 10, and the sewage discharge sheet 54 is fixedly installed on the On the rotating rod 53, the outer diameter of the blowdown sheet 54 is equal to the inner diameter of the blowdown pipe 51 and is spiral; on the feed tube 55.

The drive motor 432 starts to drive the drive screw 431 to rotate, the drive screw 431 rotates to drive the connection block 42 to move, the connection block 42 moves to drive the sliding frame 20 to move, and the movement of the sliding frame 20 drives the scraper 22 to move from the bottom wall of the pool body 10 higher. One end moves toward the lower end of the inner bottom wall of the pool body 10, thereby driving the sludge to move toward the lower end of the inner bottom wall of the pool body 10, and at the same time, the sewage valve 56 is opened, the sewage discharge motor 52 is activated to drive the rotating rod 53 to rotate, and the rotating rod 53 rotates to drive the sewage discharge. The plate 54 rotates, and the sewage discharge plate 54 rotates to drive the sludge in the tank body 10 to move toward the feeding pipe 55, and finally discharge from the feeding pipe 55, thereby eliminating the need to manually clean the sludge and improving the efficiency of the sedimentation tank desilting; Start to drive the scraper 22 to move away from the inner bottom wall of the tank body 10, the drive motor 432 starts to drive the scraper 22 to move back to its original position, and then the lift cylinder 32 starts to drive the scraper 22 to move down so that the scraper 22 is in contact with the pool. The inner bottom wall of the body 10 is convenient for the next dredging work.

Referring to FIG. 4 , on the opposite two side walls in the width direction of the pool body 10 and on the side close to the top of the pool body 10 , a water inlet groove 11 and a water outlet groove 12 are respectively fixedly installed, and the water inlet groove 11 is located near the bottom wall of the pool body 10 and is lower On one side of the water inlet trough 11, the bottom of the water inlet trough 11 is evenly provided with downholes 13, the side wall of the water outlet trough 12 close to the water inlet trough 11 is provided with a water passage hole 14, and the water passage hole 14 is embedded with a filter plate 15. A water outlet pipe 16 which passes through the side wall of the pool body 10 and communicates with the water outlet groove 12 is fixedly installed on the outer side wall of the body 10 .

The sewage is discharged into the water inlet tank 11, and then flows into the pool body 10 through the downhole 13, which reduces the impact force of the sewage directly discharged into the pool body 10 on the inner bottom wall of the pool body 10, and the upper layer of clean water flows through the filter plate 15. The filter plate 15 reduces the presence of impurities in the discharged water flow and improves the cleanliness of the treated sewage.

The working principle of this embodiment:

The drive motor 432 is activated to drive the sludge to move towards the lower end of the inner bottom wall of the tank body 10, and the sewage valve 56 is opened at the same time, and the sewage discharge motor 52 is activated to drive the sludge in the tank body 10 to be discharged from the feeding pipe 55, so that there is no need to manually clean the sludge and improve the efficiency. At the same time, the lifting cylinder 32 is activated to drive the mud scraper 22 to move up, the driving motor 432 is activated to drive the mud scraper 22 to move back to its original position, and then the lifting cylinder 32 drives the mud scraper 22 to move down to scrape the mud. The plate 22 abuts against the inner bottom wall of the tank body 10 to facilitate the next dredging work.

The sewage flows into the pool body 10 through the downhole 13, which reduces the impact force of the sewage directly discharged into the pool body 10 on the inner bottom wall of the pool body 10, thereby reducing the re-floating of the sludge deposited on the inner bottom wall of the pool body 10. The probability of entering the upper layer of clean water, the upper layer of clean water is filtered through the filter plate 15 and finally discharged through the water outlet pipe 16. The filter plate 15 reduces the existence of impurities in the discharged water flow and improves the cleanliness of the treated sewage.

The above are only the preferred embodiments of the present invention, and the protection scope of the present invention is not limited to the above-mentioned embodiments, and all technical solutions that belong to the idea of the present invention belong to the protection scope of the present invention. It should be pointed out that for those skilled in the art, some improvements and modifications without departing from the principle of the present invention should also be regarded as the protection scope of the present invention.

Claims (8)

1. A sedimentation tank, comprising a pond body (10), characterized in that: the inner bottom wall of the pond body (10) is inclined along the length direction of the pond body (10), and the upper edge of the pond body (10) is parallel to the length of the pond body (10). A sliding frame (20) is arranged on the inner bottom wall of the pool body (10) to slide in the length direction, and the sliding frame (20) is provided with a mud scraper (22) which abuts against the inner bottom wall of the pool body (10). , the top of the pool body (10) is provided with a driving device (40) connected with the sliding frame (20), and the outer side wall of the pool body (10) is provided with a bottom wall that communicates with the inner bottom wall of the pool body (10). the blowdown assembly (50). 2. A sedimentation tank according to claim 1, characterized in that: the driving device (40) comprises a fixed plate (41) arranged on the top of the tank body (10), along the inner surface parallel to the tank body (10) A connecting block (42) arranged on the fixing plate (41) and connected to the sliding frame (20) by sliding in the length direction of the bottom wall; (42) Moving drive assembly (43). 3. A sedimentation tank according to claim 2, characterized in that: the drive assembly (43) comprises a rotatable arrangement on the fixed plate (41) and the axis is parallel to the length direction of the inner bottom wall of the tank body (10). A drive screw (431) screwed to the connection block (42), and a drive motor (432) provided on the fixing plate (41) and connected to the drive screw (431). 4 . The sedimentation tank according to claim 1 , wherein the mud scraper ( 22 ) is vertically slid and arranged on the sliding frame ( 20 ), and the top of the sliding frame ( 20 ) is arranged on the top of the sliding frame ( 20 ). 5 . There is a lifting assembly (30) connected with the scraper (22), the lifting assembly (30) includes a sliding block vertically slidingly arranged on the sliding frame (20) and connected with the scraper (22) (31) A lift cylinder (32) arranged on the top end of the sliding frame (20) and connected with the scraper (22). 5. A sedimentation tank according to claim 1, characterized in that: the sewage assembly (50) comprises an outer side wall that is arranged close to the lower side of the inner bottom wall of the tank body (10) and is far away from the tank body (10). 10) A sewage pipe (51) whose one end is closed and communicated with the tank body (10), a sewage discharge motor arranged at one end of the sewage pipe (51) away from the tank body (10) and whose output shaft passes through the sewage pipe (51) (52), a rotating rod (53) arranged on the output shaft of the blowdown motor (52) and extending into the tank body (10), arranged on the rotating rod (53) and having an outer diameter equal to the inner diameter of the blowdown pipe (51) and A spiral discharge sheet (54), a discharge pipe (55) disposed on the lower side wall of the discharge pipe (51) and close to the side of the drive motor (432), and a discharge valve (55) disposed on the discharge pipe (55). 56). 6. A sedimentation tank according to claim 1, characterized in that: water inlet grooves (11) are respectively provided on the opposite two side walls in the width direction of the tank body (10) and on one side close to the top of the tank body (10). ) and a water outlet groove (12), the water inlet groove (11) is located near the lower side of the inner bottom wall of the pool body (10), and the outer side wall of the pool body (10) is provided with a passage through the pool body (10) A water outlet pipe (16) connected to the side wall and the water outlet groove (12). 7 . The sedimentation tank according to claim 6 , characterized in that: the bottom of the water inlet tank ( 11 ) is evenly provided with sink holes ( 13 ). 8 . 8 . The sedimentation tank according to claim 6 , wherein a water passage hole ( 14 ) is opened on the side wall of the side wall of the water outlet groove ( 12 ) close to the water inlet groove ( 11 ). 9 . A filter plate (15) is embedded in the water hole (14).

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