CN212680167U

CN212680167U - A sedimentation tank for municipal sewage treatment

Info

Publication number: CN212680167U
Application number: CN202021189628.8U
Authority: CN
Inventors: 李贺霞; 李爱军; 刘自杰; 王浩亚; 孙秋生; 黄文宇
Original assignee: Henan Huangda Construction Engineering Co ltd
Current assignee: Henan Huangda Construction Engineering Co ltd
Priority date: 2020-06-23
Filing date: 2020-06-23
Publication date: 2021-03-12
Anticipated expiration: 2030-06-23

Abstract

The utility model belongs to the technical field of sewage treatment's technique and specifically relates to a sedimentation tank for municipal sewage treatment is related to, it includes the sedimentation tank, be provided with the cleaning device who is used for clearing up the sedimentation tank lateral wall in the sedimentation tank, cleaning device includes clearance portion and running gear, and the clearance portion is installed on running gear, clearance portion is including the lateral wall butt of clearance brush, clearance brush and sedimentation tank. The utility model discloses the effect of clearance sedimentation tank lateral wall has.

Description

A sedimentation tank for municipal sewage treatment

Technical Field

The utility model belongs to the technical field of sewage treatment's technique and specifically relates to a sedimentation tank for municipal sewage treatment is related to.

Background

The sewage treatment method is characterized in that sewage in a sewage treatment tank is subjected to chemical reaction treatment or biological treatment, the sewage is generally required to be precipitated before being treated, the precipitation is generally carried out in a sedimentation tank, the principle of the sedimentation tank is that suspended matters in the water are removed by utilizing the natural precipitation or coagulating sedimentation effect of the water, a mud scraping device is generally arranged in the sedimentation tank, the sludge content in the sedimentation tank in the sewage treatment is large, most of the sludge is organic matters, if the sludge is not discharged in time, anaerobic fermentation is generated, so that the sludge floats upwards, the normal work of the sedimentation tank is destroyed, the effluent quality is deteriorated, such as the increase of the dissolved BOD value in the effluent, the decrease of the pH value and the like.

The existing secondary sedimentation tank cleaning device disclosed in the Chinese patent with the patent publication number of CN203816284U is a secondary sedimentation tank cleaning structure, which comprises a mud scraper arm arranged in a secondary sedimentation tank body and capable of rotating around the center of the secondary sedimentation tank body, wherein the outer end of the mud scraper arm horizontally and radially extends outwards to the edge of the secondary sedimentation tank body; the device also comprises a water pipe, a plurality of spray heads and a water pump; the water pipe is fixed on the mud scraper arm and extends along the length direction of the mud scraper arm, and the water inlet end of the water pipe is connected with the water outlet of the water pump; the plurality of spray heads are arranged on the water pipe at intervals and comprise a row of spray heads positioned above the pool surface and aligned to the pool surface and two spray heads positioned above the water outlet groove and aligned to the wall of the water outlet groove.

The above prior art solutions have the following drawbacks: the bottom that the clearance structure can only the sedimentation tank clears up the operation, nevertheless can adhere to a large amount of mud on the inner wall of sedimentation tank after long-time the use, needs the manual work to clear up, and work load is great.

SUMMERY OF THE UTILITY MODEL

Not enough to prior art exists, one of the purposes of the utility model is to provide a sedimentation tank for municipal sewage treatment, it has the effect of clearance sedimentation tank lateral wall.

The above object of the present invention is achieved by the following technical solutions: the utility model provides a sedimentation tank for municipal wastewater treatment, includes the sedimentation tank, be provided with the cleaning device who is used for clearing up the sedimentation tank lateral wall in the sedimentation tank, cleaning device includes clearance portion and running gear, and clearance portion installs on running gear, clearance portion is including the clearance brush, the lateral wall butt of clearance brush and sedimentation tank.

Through adopting above-mentioned technical scheme, running gear is used for driving the clearance brush and removes, and the clearance brush is cleared up the lateral wall along the lateral wall removal of sedimentation tank in the time, reduces the work load of manual cleaning.

The present invention may be further configured in a preferred embodiment as: the cleaning part further comprises a rotating shaft, the cleaning brush is fixedly sleeved on the rotating shaft, and a driving device used for driving the rotating shaft to rotate is arranged on the cleaning part.

Through adopting above-mentioned technical scheme, drive arrangement can drive the rotation of cleaning brush and carry out the clearance operation, has increased the effect of clearance.

The present invention may be further configured in a preferred embodiment as: the side wall of the sedimentation tank is provided with an annular groove, the rotating shaft is sleeved with a supporting frame, the rotating shaft is rotatably connected with the supporting frame, one end of the supporting frame is provided with a pulley, and the pulley is rotatably matched in the annular groove.

Through adopting above-mentioned technical scheme, the support frame plays the effect of supporting clearance portion at the sedimentation tank lateral wall.

The present invention may be further configured in a preferred embodiment as: be provided with spray set on the clearance portion, spray set includes water tank, shower and a plurality of shower head, and water tank fixed mounting is on running gear, shower and water tank intercommunication, and in the shower stretched into the sedimentation tank, the first intercommunication of shower set up on the shower, and the first lateral wall towards the sedimentation tank of shower.

Through adopting above-mentioned technical scheme, spray set is used for carrying out the water spray operation to the lateral wall of sedimentation tank, softens the mud of attaching to the sedimentation tank lateral wall, increases the effect of clean portion clearance.

The present invention may be further configured in a preferred embodiment as: the spraying pipe is also provided with a second spraying head, the second spraying head is communicated with the spraying pipe, and the water spraying direction of the second spraying head faces the cleaning brush.

Through adopting above-mentioned technical scheme, shower head two can spray the operation to the cleaning brush, at the in-process of cleaning brush clearance, washes the cleaning brush, and the clear effect of reinforcing cleaning brush.

The present invention may be further configured in a preferred embodiment as: annular mud collecting channel has been seted up to the bottom surface of sedimentation tank, and the bottom of clearance portion is provided with the mud scraper, and mud scraper fixed mounting is on the support frame, and the mud scraper is arranged in the mud collecting channel.

Through adopting above-mentioned technical scheme, the mud scraper can remove in album mud canal, and mud under the clearance portion clearance flows into album mud canal along the lateral wall of sedimentation tank, and the mud scraper promotes the mud in the album mud canal and collects mud.

The present invention may be further configured in a preferred embodiment as: a mud pumping pipe is arranged in the mud collecting channel and penetrates through the side wall of the sedimentation tank, one end of the mud pumping pipe is arranged in the mud collecting channel and is communicated with the mud collecting channel, and the other end of the mud pumping pipe is communicated with a mud pumping pump.

Through adopting above-mentioned technical scheme, mud pump accessible mud pipe is taken out the mud in the mud collection canal and is carried out centralized processing.

The present invention may be further configured in a preferred embodiment as: the annular rail is arranged on the upper end face of the side wall of the sedimentation tank, the walking device comprises a walking trolley and a driving structure used for driving the walking trolley to walk, the walking trolley comprises a connecting plate, a rotating shaft and walking wheels, the walking wheels are arranged in the annular rail in a matched mode, the annular rail comprises an inner ring groove and an outer ring groove, the axes of the circle centers of the inner ring groove and the outer ring groove are overlapped, the diameter of the inner ring groove is smaller than that of the outer ring groove, and the rotating shafts are arranged at an angle.

Through adopting above-mentioned technical scheme, the walking dolly removes and drives the removal of clearance portion, and the setting of annular rail plays spacing effect to the walking dolly, because the annular rail is a ring shape track, is the angle setting between the pivot on the walking wheel, is convenient for the removal of walking dolly in annular rail.

To sum up, the utility model discloses a following at least one useful technological effect:

1. the walking device is used for driving the cleaning brush to move, the cleaning brush cleans the side wall while moving along the side wall of the sedimentation tank, and the driving device can drive the cleaning brush to rotate for cleaning operation, so that the cleaning effect is improved, and the workload of manual cleaning is reduced;

2. the first spray head is used for spraying water to the side wall of the sedimentation tank, softening sludge attached to the side wall of the sedimentation tank, and the second spray head can spray the cleaning brush, so that the cleaning brush is washed in the cleaning process of the cleaning brush, and the cleaning effect of the cleaning part is increased.

Drawings

Fig. 1 is a schematic view of the overall structure of the present invention.

Fig. 2 is a partially enlarged schematic view of a portion a in fig. 1.

Fig. 3 is a schematic structural view of the walking device.

Fig. 4 is a schematic view showing the structure of the rotating shaft.

Fig. 5 is a schematic sectional structure of the present invention.

FIG. 6 is a schematic view showing the structure of the cleaning section and the cleaning apparatus.

Reference numerals: 1. a sedimentation tank; 10. an annular rail; 100. an inner ring groove; 101. an outer ring groove; 11. an annular groove; 12. a mud collecting channel; 120. a mud pumping pipe; 2. a cleaning part; 20. cleaning a brush; 21. a rotating shaft; 210. a support frame; 211. a pulley; 3. a drive device; 4. a traveling device; 40. a walking trolley; 400. a connecting plate; 401. a rotating shaft; 402. a running wheel; 403. an ear plate; 404. a yielding groove; 41. a drive structure; 410. a motor; 411. a drive sprocket; 412. a driven sprocket; 413. a chain; 42. a support plate; 420. mounting a plate; 50. a water tank; 500. a water pump; 51. a shower pipe; 52. a first spray header; 53. a second spray header; 6. a mud scraper.

Detailed Description

The present invention will be described in further detail with reference to the accompanying drawings.

Example (b): the utility model provides a sedimentation tank for municipal wastewater treatment, as shown in fig. 1 and 2, including sedimentation tank 1 and cleaning device, cleaning device sets up in sedimentation tank 1, cleaning device is used for clearing up the operation to sedimentation tank 1, cleaning device includes clearance portion 2, drive arrangement 3 and running gear 4, drive arrangement 3 installs on clearance portion 2, clearance portion 2 installs on running gear 4, running gear 4 arranges in on the up end of sedimentation tank 1 lateral wall, drive arrangement 3 is used for driving clearance portion 2 and rotates, clearance portion 2 can rotate the lateral wall to clearance sedimentation tank 1, running gear 4 is used for driving the clearance frame and moves on sedimentation tank 1's lateral wall.

As shown in fig. 3 and 4, the traveling device 4 includes a traveling trolley 40 and a driving structure 41, the driving structure 41 is used for driving the traveling trolley 40 to move, the traveling trolley 40 includes a connecting plate 400, a rotating shaft 401 and traveling wheels 402, the connecting plate 400 is fixedly connected with the cleaning frame, the number of the rotating shaft 401 in the embodiment is two, a plurality of ear plates 403 are fixedly arranged on the lower surface of the connecting plate 400, the ear plates 403 are arranged in pairs, the rotating shaft 401 is arranged between the ear plates 403 and is rotatably connected with the ear plates 403, and the traveling wheels are rotatably connected to two ends of the rotating shaft 401.

Referring to fig. 1 and 2, the upper end surface of the side wall of the sedimentation tank 1 is provided with an annular rail 10, and a traveling wheel 402 is arranged in the annular rail 10 in a matching way, and the traveling wheel can rotate and travel in the annular rail 10. The annular rail 10 comprises an inner ring groove 100 and an outer ring groove 101, the diameter of the inner ring groove 100 is smaller than that of the outer ring groove 101, the axes of the centers of the inner ring groove 100 and the outer ring groove 101 are coincident, the rotating shafts 21 are arranged in an angle mode, and the intersection point of the extension lines of the axes of the two rotating shafts 21 is located on the axis of the centers of the inner ring groove 100 and the outer ring groove 101.

As shown in fig. 3, the driving structure 41 includes a motor 410, a driving sprocket 411, a driven sprocket 412 and a chain 413, the motor 410 is fixedly installed on the upper surface of the connecting plate 400, the driving sprocket 411 is coaxially fixed with a rotating shaft 401 of the motor 410, the driven sprocket 412 is sleeved on one of the rotating shafts 401 and is fixedly connected with the rotating shaft 401, the connecting plate 400 is provided with an abdicating slot 404, the chain 413 passes through the abdicating slot 404, the chain 413 is sleeved on the driving sprocket 411 and the driven sprocket 412, and the chain 413 is engaged with the driving sprocket 411 and the driven sprocket 412.

As shown in fig. 2 and 6, the cleaning part 2 includes a cleaning brush 20 and a rotating shaft 21, the cleaning brush 20 is set as a cylindrical brush body, a plurality of bristles are uniformly arranged on the surface of the brush body, the cleaning brush 20 is fixedly sleeved on the rotating shaft 21, the cleaning brush 20 is abutted to the side wall of the sedimentation tank 1, a supporting plate 42 is fixedly arranged on the traveling device 4, the rotating shaft 21 is vertically arranged, the rotating shaft 21 penetrates through the supporting plate 42, the rotating shaft 21 is rotatably connected with a connecting plate 400, the driving device 3 is set as a rotating motor, a mounting plate 420 is arranged on the supporting plate 42, the rotating connection is fixedly mounted on the mounting plate 420, a motor shaft of the driving device 3 is coaxially fixed with the rotating shaft 21, and the driving device 3 can drive the cleaning.

As shown in fig. 5 and 6, the annular groove 11 is opened on the side wall of the sedimentation tank 1, the support frame 210 is sleeved on the rotating shaft 21, in this embodiment, two annular grooves 11 are opened, the support frame 210 is set to be two, the rotating shaft 21 is rotatably connected with the support frame 210, the pulley 211 is arranged at one end of the support frame 210, the section of the annular groove 11 is set to be a T-shaped section, the pulley 211 is rotatably matched in the annular groove 11, the pulley 211 moves in the annular groove 11, and the support frame 210 plays a role in supporting the cleaning part 2 on the side wall of the sedimentation tank.

As shown in fig. 6, a spraying device is arranged on the cleaning part 2, the spraying device is used for spraying cleaning water to the side wall of the sedimentation tank 1, the spraying device comprises a water tank 50, a spraying pipe 51 and a plurality of first spraying heads 52, the water tank 50 is fixedly arranged on the walking trolley 40, the spraying pipe 51 penetrates through the supporting plate 42 and is fixedly connected with the supporting plate 42, the spraying pipe 51 is communicated with the water tank 50, the spraying pipe 51 extends into the sedimentation tank 1, the first spraying heads 52 are communicated and arranged on the spraying pipe 51, and the first spraying heads 52 face to the side wall of the sedimentation tank 1. Referring to fig. 2, a water pump 500 is provided in the water tank 50, the water pump 500 is provided with a water pumping port and a water outlet, the water pumping port is communicated with the inside of the water tank 50, and the water outlet is communicated with the shower pipe 51. The water pump 500 pumps the water in the water tank 50 to the spray pipe 51, and sprays the cleaning water to the side wall of the sedimentation tank 1 through the first spray head 52 to enhance the cleaning effect of the cleaning part 2.

As shown in fig. 6, the spray pipe 51 is further provided with a second spray head 53, the second spray head 53 is used for spraying water to the cleaning brush 20 to flush the cleaning brush 20, the second spray head 53 is communicated with the spray pipe 51, and the water spraying direction of the second spray head 53 faces the cleaning brush 20.

As shown in fig. 5 and 6, an annular mud collecting channel 12 is formed in the ground of the sedimentation tank 1, a mud scraping plate 6 is disposed at the bottom of the cleaning portion 2, the mud scraping plate 6 is fixedly mounted on a support frame 210, referring to fig. 2, the mud scraping plate 6 is disposed in the mud collecting channel 12, a mud pumping pipe 120 is disposed in the mud collecting channel 12, the mud pumping pipe 120 penetrates through the side wall of the sedimentation tank 1, one end of the mud pumping pipe 120 is disposed in the mud collecting channel 12 and is communicated with the mud collecting channel 12, and the other end of the mud pumping pipe is communicated with a mud pumping pump (not shown in the figure). Under spray set 5's effect, mud under the clearance of clearance portion 2 flows into mud collection canal 12 along the lateral wall of sedimentation tank 1, when clearance portion 2 removed and clears up sedimentation tank 1 lateral wall, mud in mud collection canal 12 is promoted to the mud scraping plate 6, collects mud to the pipe connection department of taking out mud pipe 120, takes out sedimentation tank 1 through the mud pump with the mud under the clearance.

The implementation principle of the embodiment is as follows: drive structure 41 drive walking dolly 40 removes along annular rail 10, drive arrangement 3 drive cleaning brush 20 rotates and clears up the lateral wall of sedimentation tank 1, shower head 52 sprays water to the lateral wall of sedimentation tank 1 simultaneously, soften the mud of sedimentation tank 1 lateral wall, and shower head two 53 is to spraying water on the cleaning brush 20, wash cleaning brush 20, the muddy water mixture that the mud of water and the lateral wall that wash formed flows into the mud collection inslot along the lateral wall of sedimentation tank 1, mud is collected to mud pump pipe 120 department with mud to the mud scraper 6, mud in mud pump pipe 120 can take out mud in the mud collection canal 12. The embodiment of this specific implementation mode is the preferred embodiment of the present invention, not limit according to this the utility model discloses a protection scope, so: all equivalent changes made according to the structure, shape and principle of the utility model are covered within the protection scope of the utility model.

Claims

1. A sedimentation tank for municipal sewage treatment, including sedimentation tank (1), its characterized in that: be provided with the cleaning device who is used for clearing up sedimentation tank (1) lateral wall in sedimentation tank (1), cleaning device includes clearance portion (2) and running gear (4), and install on running gear (4) clearance portion (2), clearance portion (2) are including cleaning brush (20), cleaning brush (20) and the lateral wall butt of sedimentation tank (1).

2. The settling pond for municipal sewage treatment according to claim 1, wherein: cleaning portion (2) still include pivot (21), cleaning brush (20) fixed cover is established in pivot (21), be provided with on cleaning portion (2) and be used for driving pivot (21) pivoted drive arrangement (3).

3. The sedimentation tank for municipal sewage treatment according to claim 2, wherein an annular groove (11) is formed in the side wall of the sedimentation tank (1), a support frame (210) is sleeved on the rotating shaft (21), the rotating shaft (21) is rotatably connected with the support frame (210), a pulley (211) is arranged at one end of the support frame (210), and the pulley (211) is rotatably fitted in the annular groove (11).

4. The sedimentation tank for municipal sewage treatment according to claim 1, wherein a spray device is arranged on the cleaning part (2), the spray device comprises a water tank (50), a spray pipe (51) and a plurality of first spray heads (52), the water tank (50) is fixedly mounted on the walking device (4), the spray pipe (51) is communicated with the water tank (50), the spray pipe (51) extends into the sedimentation tank (1), the first spray heads (52) are communicated with the spray pipe (51), and the first spray heads (52) face the side wall of the sedimentation tank (1).

5. The sedimentation tank for municipal sewage treatment according to claim 4, wherein a second spray header (53) is further provided on the spray pipe (51), the second spray header (53) is communicatively provided on the spray pipe (51), and the spray direction of the second spray header (53) is directed toward the cleaning brush (20).

6. The sedimentation tank for municipal sewage treatment according to claim 4, wherein the bottom surface of the sedimentation tank (1) is provided with an annular mud collecting channel (12), the bottom of the cleaning part (2) is provided with a mud scraper (6), the mud scraper (6) is fixedly mounted on the support frame (210), and the mud scraper (6) is arranged in the mud collecting channel (12).

7. The sedimentation tank for municipal sewage treatment according to claim 6, wherein a sludge pumping pipe (120) is arranged in the sludge collection channel (12), the sludge pumping pipe (120) penetrates through the side wall of the sedimentation tank (1), one end of the sludge pumping pipe (120) is arranged in the sludge collection channel (12) and is communicated with the sludge collection channel (12), and the other end of the sludge pumping pipe is communicated with a sludge pump.

8. The sedimentation tank for municipal sewage treatment according to claim 1, wherein an annular rail (10) is provided on the upper end surface of the side wall of the sedimentation tank (1), the walking device (4) comprises a walking trolley (40) and a driving structure (41) for driving the walking trolley (40) to walk, the walking trolley (40) comprises a connecting plate (400), a rotating shaft (401) and a walking wheel (402), the walking wheel (402) is arranged in the annular rail (10) in a matching manner, the annular rail (10) comprises an inner ring groove (100) and an outer ring groove (101), the axes of the centers of the inner ring groove (100) and the outer ring groove (101) are coincident, the diameter of the inner ring groove (100) is smaller than that of the outer ring groove (101), and the rotating shafts (21) are arranged at an angle.