CN211226650U

CN211226650U - Sedimentation tank for sewage treatment plant

Info

Publication number: CN211226650U
Application number: CN201921500712.4U
Authority: CN
Inventors: 曹大奎; 庞燕妮
Original assignee: Qingdao Bairuida Environmental Protection Engineering Co ltd
Current assignee: Qingdao Bairuida Environmental Protection Engineering Co ltd
Priority date: 2019-09-10
Filing date: 2019-09-10
Publication date: 2020-08-11
Anticipated expiration: 2029-09-10

Abstract

The utility model belongs to the technical field of sewage treatment equipment, in particular to a sedimentation tank for a sewage treatment plant, which comprises a water tank and a beam plate, wherein the beam plate is fixedly arranged above the water tank, a filter screen is fixedly arranged on the outer side wall of the beam plate, and a slag removing groove is fixedly arranged on one side of the outer side wall of the beam plate, which is far away from the filter screen; when needs carry out periodic sludge discharge, open the sludge discharge pipe earlier, start gear motor No. one, gear motor drives the motion of No. two pivots slowly, thereby make the mud scraper on the track send the mud on placing the board to the mud fill, start the slow axis of rotation that drives of No. two gear motor, make promotion thick liquid promote mud to sludge discharge pipe, so that better carry out the sludge discharge operation under the effect of hydrostatic pressure, reduce the mud of the siltation of sedimentation tank bottom, avoid appearing long-time accumulation and can make out water quality of water worsen in the unable discharged mud of sedimentation tank bottom, improve the sewage treatment efficiency of sedimentation tank.

Description

Sedimentation tank for sewage treatment plant

Technical Field

The utility model belongs to the technical field of sewage treatment device, concretely relates to sedimentation tank is used in sewage treatment plant.

Background

The sedimentation tank is a structure for removing suspended matters in water by applying sedimentation and is equipment for purifying water. The suspended substances in the water are removed by utilizing the natural sedimentation or coagulating sedimentation of the water. The sedimentation tank is divided into a horizontal sedimentation tank and a vertical sedimentation tank according to the water flow direction. The settling effect is determined by the flow rate of the water in the settling tank and the residence time of the water in the tank. In order to improve the sedimentation effect and reduce the land occupation area, a honeycomb inclined tube counter-current sedimentation tank, an accelerated clarification tank, a pulse clarification tank and the like are mostly adopted at present. Settling ponds are widely used in sewage treatment plants.

The prior art has the following problems:

1. when the traditional sedimentation tank is used for sewage treatment, a coagulant is added, part of sludge is agglomerated by the coagulant to cause unsmooth sludge discharge, hydrostatic pressure sludge discharge is generally adopted in the sedimentation tank, the agglomerated sludge causes low sludge discharge efficiency and cannot be completely discharged, and the sludge accumulated at the bottom of the sedimentation tank for a long time causes deterioration of effluent quality and reduces the sewage treatment efficiency of the sedimentation tank;

2. traditional sedimentation tank can have large-scale solid rubbish in the sewage when carrying out sewage treatment, can cause the jam of row's mud pipeline behind the sinking sedimentation tank bottom, reduces the efficiency of follow-up row's mud work.

SUMMERY OF THE UTILITY MODEL

To solve the problems set forth in the background art described above. The utility model provides a sedimentation tank for sewage treatment plants, which has the characteristics of improving the sludge discharge efficiency and preventing the blockage of a sludge discharge pipeline.

In order to achieve the above object, the utility model provides a following technical scheme: a sedimentation tank for a sewage treatment plant comprises a water tank and a beam plate, wherein the beam plate is fixedly arranged above the water tank, a filter screen is fixedly arranged on the outer side wall of the beam plate, a deslagging groove is fixedly arranged on one side, away from the filter screen, of the outer side wall of the beam plate, a water outlet baffle is fixedly arranged on one side, away from the beam plate, of the outer side wall of the deslagging groove, a water outlet baffle is fixedly arranged on one side, away from the deslagging groove, of the outer side wall of the water outlet baffle, a water outlet groove is fixedly arranged on one side, away from the deslagging groove, of the outer side wall of the water outlet baffle, a water inlet baffle is fixedly arranged at the bottom of the beam plate, a water inlet groove is fixedly arranged at the bottom of the water tank, a sludge discharge pipeline is fixedly arranged on the outer side wall of the water tank, a sludge hopper is fixedly arranged at the bottom of the water tank, a, a bearing seat is fixedly arranged on one side of the rotating shaft, which is far away from the second speed reducing motor, a pushing slurry is fixedly arranged on the outer side wall of the rotating shaft, a placing plate is fixedly arranged on the outer side wall of the mud bucket, which is far away from the mud discharge pipeline, a connecting column is fixedly arranged on the upper surface of the placing plate, a second rotating shaft is fixedly arranged on one side of the outer side wall of the connecting column, which is far away from the placing plate, a crawler belt is arranged on the outer side wall of the second rotating shaft, the crawler belt is rotatably connected with the second rotating shaft, a mud scraping sheet is fixedly arranged on the outer side wall of the crawler belt, a steel cable is arranged on the outer side wall of the second rotating shaft, the steel cable is rotatably connected with the second rotating shaft, a first speed reducing motor is fixedly arranged on one side, which is located on the top of the beam plate, of the first speed reducing motor, the first speed reduction motor and the second speed reduction motor are electrically connected with the outside.

Preferably, the two sides of the second speed reducing motor are fixedly provided with auxiliary supports, and the second speed reducing motor is fixedly connected with the beam plate through the auxiliary supports.

Preferably, a filter screen is fixedly arranged between the beam plate and the water inlet tank.

Preferably, the rotating shaft is fixedly connected with the mud bucket through the bearing seat.

Preferably, the amount of said push pulp is several.

Preferably, the wiper blade extends to an outer side wall of the placing plate.

Preferably, the placing plate is inclined at an angle with respect to a horizontal plane.

Compared with the prior art, the beneficial effects of the utility model are that:

1. sewage to be treated in a sewage treatment plant is discharged into a sedimentation tank from a water inlet tank, a water inlet baffle plate arranged behind the water inlet tank enables water flow to be uniformly distributed on the cross section of the whole water tank, a slag removing tank and a water outlet baffle plate are used for intercepting floating slag on the water surface, the sewage slowly and stably flows through the water tank, a worker adds a coagulant into the sewage in the sedimentation tank to enable the flocculated sludge in the sewage to be accumulated and deposited to a placing plate and a mud bucket, when the sludge needs to be regularly discharged, a sludge discharge pipeline is firstly opened, a first speed reducing motor is started, the first speed reducing motor slowly drives a second rotating shaft to move, so that sludge on the placing plate is conveyed to the mud bucket by a sludge scraping sheet on a crawler belt, the second speed reducing motor is started to slowly drive the rotating shaft, so that slurry is pushed to push the sludge to the sludge discharge pipeline, so that the sludge discharge operation can be better performed under the action of hydrostatic pressure, and the, the problem that the quality of the effluent water is deteriorated due to the sludge which is accumulated at the bottom of the sedimentation tank for a long time and cannot be discharged is avoided, and the sewage treatment efficiency of the sedimentation tank is improved;

2. when sewage that needs handle is discharged into the sedimentation tank from the intake chamber, when sewage passed the filter screen between intake chamber and the roof beam board, can filter large-scale solid rubbish wherein, and the staff can in time clear up the large-scale solid rubbish of filter screen top, can cause the jam of row's mud pipeline after preventing large-scale solid rubbish to sink into the sedimentation tank bottom, improves the efficiency of follow-up row's mud work.

Drawings

The accompanying drawings are included to provide a further understanding of the invention, and are incorporated in and constitute a part of this specification, illustrate embodiments of the invention, and together with the description serve to explain the invention and not to limit the invention. In the drawings:

fig. 1 is a schematic structural view of the present invention;

fig. 2 is a schematic structural view of the present invention;

fig. 3 is a schematic structural view of the present invention;

fig. 4 is a schematic structural diagram of the present invention;

in the figure: 1. a pool; 2. a beam plate; 3. a first rotating shaft; 4. a first speed reduction motor; 5. a slag removal groove; 6. a water outlet baffle plate; 7. a water outlet groove; 8. placing the plate; 9. a mud bucket; 10. a bearing seat; 11. a sludge discharge pipeline; 12. a water inlet groove; 13. filtering with a screen; 14. a water inlet baffle plate; 15. a second speed reduction motor; 16. an auxiliary support; 17. a rotating shaft; 18. pushing the pulp; 19. a second rotating shaft; 20. a steel cord; 21. a mud scraping sheet; 22. a crawler belt; 23. connecting columns.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.

Example 1

Referring to fig. 1-4, the present invention provides the following technical solutions: a sedimentation tank for a sewage treatment plant comprises a water tank 1 and a beam plate 2, wherein the beam plate 2 is fixedly arranged above the water tank 1, a filter screen 13 is fixedly arranged on the outer side wall of the beam plate 2, a deslagging groove 5 is fixedly arranged on one side, away from the filter screen 13, of the outer side wall of the beam plate 2, a water outlet baffle 6 is fixedly arranged on one side, away from the beam plate 2, of the outer side wall of the deslagging groove 5, a water outlet baffle 6 is fixedly arranged on one side, away from the deslagging groove 5, of the outer side wall of the water outlet baffle 6, a water outlet groove 7 is fixedly arranged on one side, away from the deslagging groove 5, of the outer side wall of the beam plate 2, a water inlet baffle 14 is fixedly arranged at the bottom of the water tank 1, a water inlet groove 12 is fixedly arranged at the bottom of the water tank 1, a sludge discharge pipeline 11 is fixedly arranged on the outer side wall of the water tank 1, a second speed, a bearing seat 10 is fixedly arranged on one side of the rotating shaft 17 far away from the second speed reducing motor 15, a pushing slurry 18 is fixedly arranged on the outer side wall of the rotating shaft 17, a placing plate 8 is fixedly arranged on the outer side wall of the mud bucket 9 far away from the mud discharge pipeline 11, a connecting column 23 is fixedly arranged on the upper surface of the placing plate 8, a second rotating shaft 19 is fixedly arranged on one side of the outer side wall of the connecting column 23 far away from the placing plate 8, a crawler belt 22 is arranged on the outer side wall of the second rotating shaft 19, the crawler belt 22 is rotatably connected with the second rotating shaft 19, a mud scraping sheet 21 is fixedly arranged on the outer side wall of the crawler belt 22, a steel cable 20 is arranged on the outer side wall of the second rotating shaft 19, the steel cable 20 is rotatably connected with the first rotating shaft 3 on one side of the outer side wall of the steel cable 20 far away from the second rotating shaft 19, the first speed reducing motor, the first speed reduction motor 4 and the second speed reduction motor 15 are electrically connected with the outside.

In this embodiment: the type of the first speed reducing motor 4 and the type of the second speed reducing motor 15 are 63ZY, and the first speed reducing motor 4 and the second speed reducing motor 15 provide power for the rotating shaft 17 and the second rotating shaft 19.

In this embodiment: when sewage to be treated is discharged into the sedimentation tank from the water inlet tank 12, when the sewage passes through the filter screen 13 between the water inlet tank 12 and the beam plate 2, large solid garbage in the sewage can be filtered, workers can clean the large solid garbage above the filter screen 13 in time, the blockage of a sludge discharge pipeline 11 caused by the large solid garbage sinking into the bottom of the sedimentation tank is prevented, the efficiency of subsequent sludge discharge work is improved, the sewage to be treated in a sewage treatment plant is discharged into the sedimentation tank from the water inlet tank 12, a water inlet baffle 14 arranged behind the water inlet tank 12 enables water flow to be uniformly distributed on the cross section of the whole pool 1, a residue removal tank 5 and a water outlet baffle 6 are used for intercepting scum on the water surface, the sewage slowly and stably flows through the pool 1, the workers add coagulant into the sewage in the sedimentation tank, the flocculated sludge in the sewage is accumulated and deposited to a placing plate 8 and a sludge hopper 9, when the sludge is required to be periodically discharged, open sludge discharge pipe 11 earlier, start gear motor 4, gear motor 4 slowly drives No. two pivot 19 motions, thereby make mud scraper 21 on the track 22 deliver to mud bucket 9 placing the mud on the board 8, start No. two gear motor 15 and slowly drive axis of rotation 17, make and promote thick liquid 18 and promote mud to sludge discharge pipe 11, so that better carry out the mud discharging operation under the effect of hydrostatic pressure, reduce the silted mud of sedimentation tank bottom, avoid appearing long-time accumulation and can make play water quality of water aggravation at the unable discharged mud of sedimentation tank bottom, improve the sewage treatment efficiency of sedimentation tank.

Specifically, auxiliary supports 16 are fixedly arranged on two sides of the second speed reducing motor 15, and the second speed reducing motor 15 is fixedly connected with the beam plate 2 through the auxiliary supports 16; no. two gear motor 15 can produce vibrations when working, and auxiliary stand 16 can make No. two gear motor 15 keep steady when working.

Specifically, a filter screen 13 is fixedly arranged between the beam plate 2 and the water inlet tank 12; when sewage passes through the filter screen 13 between the water inlet tank 12 and the beam plate 2, large solid garbage in the sewage can be filtered, and the blockage of the sludge discharge pipeline 11 caused by the large solid garbage sinking into the bottom of the sedimentation tank is prevented.

Specifically, the rotating shaft 17 is fixedly connected with the mud bucket 9 through a bearing seat 10; the rotation of the rotating shaft 17 can drive the pushing paddle 18 to move, which is convenient for cleaning the sludge.

Specifically, the number of the push paddles 18 is several; the rotation shaft 17 rotates to make the pushing slurry 18 push the sludge to the sludge discharge pipeline 11, so that the sludge is conveniently discharged to the sludge discharge pipeline 11.

Specifically, the wiper blade 21 extends to the outer side wall of the placing plate 8; the mud scraper 21 on the crawler 22 conveys the mud on the placing plate 8 to the mud bucket 9, so that the mud on the placing plate 8 can be cleaned conveniently.

Specifically, the placing plate 8 is inclined at a certain angle with respect to the horizontal plane; place sedimentary mud on the board 8, place the certain angle of board 8 slope and be convenient for make mud enter into mud bucket 9 under the effect of hydrostatic pressure.

The utility model discloses a theory of operation and use flow: when sewage to be treated is discharged into the sedimentation tank from the water inlet tank 12, when the sewage passes through the filter screen 13 between the water inlet tank 12 and the beam plate 2, large solid garbage in the sewage can be filtered, workers can clean the large solid garbage above the filter screen 13 in time, the blockage of a sludge discharge pipeline 11 caused by the large solid garbage sinking into the bottom of the sedimentation tank is prevented, the efficiency of subsequent sludge discharge work is improved, the sewage to be treated in a sewage treatment plant is discharged into the sedimentation tank from the water inlet tank 12, a water inlet baffle 14 arranged behind the water inlet tank 12 enables water flow to be uniformly distributed on the cross section of the whole pool 1, a residue removal tank 5 and a water outlet baffle 6 are used for intercepting scum on the water surface, the sewage slowly and stably flows through the pool 1, the workers add coagulant into the sewage in the sedimentation tank, the flocculated sludge in the sewage is accumulated and deposited to a placing plate 8 and a sludge hopper 9, when the sludge is required to be periodically discharged, open sludge discharge pipe 11 earlier, start gear motor 4, gear motor 4 slowly drives No. two pivot 19 motions, thereby make mud scraper 21 on the track 22 deliver to mud bucket 9 placing the mud on the board 8, start No. two gear motor 15 and slowly drive axis of rotation 17, make and promote thick liquid 18 and promote mud to sludge discharge pipe 11, so that better carry out the mud discharging operation under the effect of hydrostatic pressure, reduce the silted mud of sedimentation tank bottom, avoid appearing long-time accumulation and can make play water quality of water aggravation at the unable discharged mud of sedimentation tank bottom, improve the sewage treatment efficiency of sedimentation tank.

Finally, it should be noted that: although the present invention has been described in detail with reference to the foregoing embodiments, it will be apparent to those skilled in the art that modifications may be made to the embodiments described in the foregoing embodiments, or equivalents may be substituted for elements thereof. Any modification, equivalent replacement, or improvement made within the spirit and principle of the present invention should be included in the protection scope of the present invention.

Claims

1. The settling basin for the sewage treatment plant comprises a water pool (1) and a beam plate (2), wherein the beam plate (2) is fixedly arranged above the water pool (1), a filter screen (13) is fixedly arranged on the outer side wall of the beam plate (2), one side, far away from the filter screen (13), of the outer side wall of the beam plate (2) is fixedly provided with a slag removing groove (5), one side, far away from the beam plate (2), of the outer side wall of the slag removing groove (5) is fixedly provided with a water outlet baffle plate (6), one side, far away from the slag removing groove (5), of the outer side wall of the water outlet baffle plate (6) is fixedly provided with a water outlet groove (7), the bottom of the beam plate (2) is fixedly provided with a water inlet baffle plate (14), the bottom of the water pool (1) is fixedly provided with a water inlet groove (12), the lateral wall of intake chamber (12) is fixed to be equipped with mud pipe way (11), the fixed mud fill (9) that are equipped with in bottom in pond (1), its characterized in that: the top of the beam plate (2) is fixedly provided with a second speed reducing motor (15), an output shaft of the second speed reducing motor (15) is fixedly provided with a rotating shaft (17), one side of the rotating shaft (17), far away from the second speed reducing motor (15), is fixedly provided with a bearing seat (10), the outer side wall of the rotating shaft (17) is fixedly provided with a pushing slurry (18), the outer side wall of the mud bucket (9) is far away from the mud discharge pipeline (11) and is fixedly provided with a placing plate (8), the upper surface of the placing plate (8) is fixedly provided with a connecting column (23), one side of the outer side wall of the connecting column (23), far away from the placing plate (8) is fixedly provided with a second rotating shaft (19), the outer side wall of the second rotating shaft (19) is provided with a track (22), the track (22) is rotatably connected with the second rotating shaft (19), and the outer side wall of the track (22, the lateral wall of No. two pivot (19) is equipped with cable wire (20), cable wire (20) with No. two pivot (19) rotate to be connected, the lateral wall of cable wire (20) is kept away from one side of No. two pivot (19) is rotated and is connected with pivot (3), the top of roof beam board (2) is located fixed gear motor (4) that is equipped with in one side of No. two gear motor (15), the output shaft of a gear motor (4) is fixed to be equipped with pivot (3), gear motor (4) and No. two gear motor (15) and outside electric connection.

2. The sedimentation tank for sewage treatment plants according to claim 1, wherein: and auxiliary supports (16) are fixedly arranged on two sides of the second speed reducing motor (15), and the second speed reducing motor (15) is fixedly connected with the beam plate (2) through the auxiliary supports (16).

3. The sedimentation tank for sewage treatment plants according to claim 1, wherein: a filter screen (13) is fixedly arranged between the beam plate (2) and the water inlet groove (12).

4. The sedimentation tank for sewage treatment plants according to claim 1, wherein: the rotating shaft (17) is fixedly connected with the mud bucket (9) through the bearing seat (10).

5. The sedimentation tank for sewage treatment plants according to claim 1, wherein: the number of the pushing pulp (18) is several.

6. The sedimentation tank for sewage treatment plants according to claim 1, wherein: the scraper blade (21) extends to the outer side wall of the placing plate (8).

7. The sedimentation tank for sewage treatment plants according to claim 1, wherein: the placing plate (8) is inclined at a certain angle relative to the horizontal plane.