CN211226665U

CN211226665U - A sedimentation tank for sewage treatment

Info

Publication number: CN211226665U
Application number: CN201921808872.5U
Authority: CN
Inventors: 吴华明; 施海仁; 姚坤; 张羽
Original assignee: Hefei Zhongsheng Water Development Co ltd
Current assignee: Hefei Zhongsheng Water Development Co ltd
Priority date: 2019-10-25
Filing date: 2019-10-25
Publication date: 2020-08-11
Anticipated expiration: 2029-10-25

Abstract

The utility model discloses a sedimentation tank for sewage treatment, including cell body, mud locker room, cell body one end is equipped with salvage room, salvage room one end installs the coarse sieve board, salvage room one side is equipped with first stirring leaf, first stirring leaf is connected to first motor, second stirring leaf is connected to the second motor, install the rotation axis on the output shaft of third motor, the sludge scraper blade is connected to the bottom of rotation axis, the mud locker room is under the rotation axis bottom, the mud scraper blade top is equipped with out the water board, play water board one side and be equipped with the setting chamber; the sedimentation tank enables sewage to pass through the salvage chamber to remove large-volume impurities, particle impurities which are difficult to precipitate are removed through the tank body, the sedimentation chamber is used for standing, and the sewage is screened through a screen when being discharged from the clear water pipe, so that the impurities in the sewage are fully removed, and the purification effect is good; install first mud pipe of taking out on mud locker top, the mud pipe is taken out to the second and is installed in locker room bottom, has avoided in the mud for the backward flow impurity too much, is difficult to handle in the cell body of backward flow.

Description

A sedimentation tank for sewage treatment

Technical Field

The utility model relates to a sewage treatment technical field, concretely relates to a sedimentation tank for sewage treatment.

Background

The sedimentation tank is the equipment of a purification of water quality who utilizes the suspended solid in the natural sedimentation of water or the effect of coagulating sedimentation to detach aquatic, the sedimentation tank divide into horizontal sedimentation tank and vertical sedimentation tank according to the rivers direction, the coagulating sedimentation tank is one kind of sedimentation tank in the plumbing, through throwing some medicaments to aquatic, make the granule that the aquatic is difficult to deposit can polymerize each other and form the colloid, then combine with the impurity in the water and form bigger flocculating constituent, the flocculating constituent has powerful adsorption affinity, can not only adsorb the suspended solid, can also adsorb partial bacterium and soluble material, the flocculating constituent is through adsorbing, volume increase and sink.

Patent application No. CN201720475867.1 discloses a sedimentation tank of a sewage treatment system, which comprises short side walls, long side walls, a bottom surface, two opposite side walls, a hydraulic telescopic device and a sewage collecting tank; this sewage treatment system's sedimentation tank simple structure, after having carried out the sediment, can make the sedimentation tank slope through control hydraulic telescoping device, the clearance is very simple and convenient to save time and manpower still have following weak point: (1) the sewage treated by the sedimentation tank of the sewage treatment system still contains a large amount of impurities, and the purification effect is poor; (2) this sewage treatment system pipeline that the backward flow was used and the pipeline that blowdown mud was used are same pipeline, and the port of pipeline is located mud below moreover for impurity is too much in the mud that flows back in the cell body, is difficult to handle.

SUMMERY OF THE UTILITY MODEL

In order to solve the technical problem, an object of the present invention is to provide a sedimentation tank for sewage treatment: (1) the method comprises the following steps of intercepting large-volume impurities in the sewage through a coarse sieve plate, removing the large-volume impurities from a salvage chamber through a salvage opening, removing granular impurities which are difficult to precipitate in a tank body, standing separated clear water through a settling chamber, further separating the impurities from the separated clear water, and sieving and screening the clear water when the clear water is discharged from a clear water pipe, so that the problems that the sewage treated by a settling tank of the conventional sewage treatment system still contains a large amount of impurities and is poor in purification effect are solved; (2) set up to the recess form through acceping mud storage room, install the first mud pipe of taking out on mud storage room top, the second is taken out the mud pipe and is installed in the storage room bottom, has solved the pipeline that current sewage treatment system reflux used and the pipeline that blowdown mud was used and is same pipeline, and the port of pipeline is located mud below moreover for impurity is too much in the mud that flows back in the cell body, is difficult to the problem of handling.

The purpose of the utility model can be realized by the following technical scheme:

a sedimentation tank for sewage treatment comprises a tank body and a sludge storage chamber, wherein a salvage chamber is arranged at one end of the tank body, a sewage pipe is installed at one end of the salvage chamber, a coarse sieve plate is installed at one end, away from the sewage pipe, of the salvage chamber, a salvage opening is formed in the top of the salvage chamber, a first stirring blade is arranged at one side, away from the sewage pipe, of the salvage chamber, the first stirring blade is connected to an output shaft of a first motor through a rotating shaft, a first guide plate is arranged at one side, away from the coarse sieve plate, of the first guide plate, a reaction barrel is installed at one side, away from the first stirring blade, of the first guide plate, a second stirring blade is arranged in an inner cavity of the reaction barrel, the second stirring blade is connected to an output shaft of a second motor through a rotating shaft, a second guide plate is arranged at one side, away from the first guide plate, of the second guide, a plurality of the mud scraper blade all is connected to the bottom of rotation axis, the rotation axis top is run through on the cell body is connected to the output shaft of third motor, be equipped with the mud locker room under the rotation axis bottom, mud scraper blade top is equipped with out the water board, it is connected to mounting panel bottom one side to go out water board one end, it is equipped with the deposit room to go out water board to keep away from mounting panel one side.

Furthermore, one side of the first motor, which is far away from the first guide plate, is provided with a first feed inlet, and one side of the second motor, which is far away from the second guide plate, is provided with a second feed inlet.

Further, first guide plate, second guide plate, mounting panel top all are connected to cell body top inner wall, third guide plate bottom is connected to cell body bottom inner wall.

Furthermore, the honeycomb duct is installed at one side top of the settling chamber, the honeycomb duct is located above the water outlet plate, and the clear water pipe is installed at the top of one side of the settling chamber away from the honeycomb duct.

Furthermore, a plurality of clear water diversion channels are obliquely arranged in the water outlet plate, one end, away from the water outlet plate, of the diversion pipe is arc-shaped, one end of the clear water pipe is in threaded connection with an installation sleeve, and a screen is arranged in the installation sleeve.

Furthermore, a first sludge pumping pipe is installed on one side of the sludge storage chamber, one end, away from the sludge storage chamber, of the first sludge pumping pipe is communicated to an inlet of the first centrifugal pump, an outlet of the first centrifugal pump is communicated to a sewage pipe through a sludge return pipe, a second sludge pumping pipe is installed at the bottom of the sludge storage chamber, the bottom end of the second sludge pumping pipe is communicated to an inlet of the second centrifugal pump, and a sludge pipe is installed at an outlet of the second centrifugal pump.

The utility model has the advantages that:

(1) the utility model discloses a sedimentation tank for sewage treatment, through setting up the salvage room, the coarse sieve board is installed to the export of salvage room, can hold back floater and bulky suspended solid in the sewage in the salvage room, can get rid of these materials from the salvage mouth, through adding coagulant from first charge door, add coagulant aid from the second charge door, can polymerize the granule that is difficult to deposit in the sewage each other and form the colloid, make the polymerization more abundant through first stirring leaf, second stirring leaf, the colloid moves to the bottom of the drain board along with rivers, the colloid volume increases and sinks, mud and water separation, scrape down the colloid that attaches to the cell body inner wall through the mud scraper blade, it is rotatory to drive the mud scraper blade through the third motor, the mud scraper blade removes the colloid to the mud locker room, the clear water passes through the drain board, carry to the subside room through the honeycomb duct and stew, solid impurities in the clean water are further separated, an installation sleeve of a screen is installed on the clean water pipe, the clean water is further filtered, the sedimentation tank enables the sewage to be subjected to salvage to remove large-volume impurities, particle impurities which are difficult to precipitate are removed through a tank body, the sedimentation tank is placed still through a sedimentation chamber, the sewage is screened and screened when being discharged from the clean water pipe, and the sewage is treated through four steps, so that the impurities in the sewage are fully removed, and the purification effect is good;

(2) set up to the recess form through acceping mud locker room, install the first mud pipe of taking out on mud locker room top, the mud pipe is taken out to the second and is installed in locker room bottom, then the mud that is used for the backward flow is the mud on upper strata, and exhaust mud is lower floor's mud, and impurity wherein is less for lower floor's mud, and it is too much to avoid in the backward flow is with mud impurity, is difficult to handle in the cell body that flows back.

Drawings

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

FIG. 1 is a schematic structural view of a sedimentation tank for sewage treatment according to the present invention;

fig. 2 is a schematic structural diagram of the present invention.

In the figure: 1. a trough body; 2. fishing out the opening; 3. a first feed inlet; 4. a first motor; 5. a second feed inlet; 6. a second motor; 7. mounting a plate; 8. a water outlet plate; 9. a third motor; 10. a flow guide pipe; 11. a clear water pipe; 12. installing a sleeve; 13. a sewage pipe; 14. a sludge return pipe; 15. a salvaging room; 16. a coarse sieve plate; 17. a first stirring blade; 18. a first baffle; 19. a second stirring blade; 20. a reaction barrel; 21. a second baffle; 22. a third baffle; 23. a sludge scraper; 24. a first centrifugal pump; 25. a first mud pumping pipe; 26. a second centrifugal pump; 27. a sludge pipe; 28. a second mud pumping pipe; 29. a sludge storage chamber; 30. a rotating shaft; 31. a settling chamber; 32. clear water diversion passageway.

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 of the present invention, all other embodiments obtained by a person of ordinary skill in the art without creative efforts belong to the protection scope of the present invention.

Referring to fig. 1-2, the utility model relates to a sedimentation tank for sewage treatment, comprising a tank body 1 and a sludge storage chamber 29, wherein a salvage chamber 15 is arranged at one end of the tank body 1, a sewer 13 is arranged at one end of the salvage chamber 15, a coarse sieve plate 16 is arranged at one end of the salvage chamber 15 away from the sewer 13, a salvage port 2 is arranged at the top of the salvage chamber 15, a first stirring blade 17 is arranged at one side of the salvage chamber 15 away from the sewer 13, the first stirring blade 17 is connected to an output shaft of a first motor 4 through a rotating shaft, a first guide plate 18 is arranged at one side of the first stirring blade 17 away from the coarse sieve plate 16, a reaction barrel 20 is arranged at one side of the first guide plate 18 away from the first stirring blade 17, a second stirring blade 19 is arranged in an inner cavity of the reaction barrel 20, the second stirring blade 19 is connected to an output shaft of a second motor, second guide plate 21 is kept away from 20 one side of reaction barrel and is equipped with third guide plate 22, third guide plate 22 is kept away from second guide plate 21 one side and is equipped with a plurality of mud scraper blades 23, a plurality of mud scraper blades 23 all are connected to the bottom of rotation axis 30, rotation axis 30 top is run through on cell body 1 is connected to the output shaft of third motor 9, be equipped with mud locker room 29 under the rotation axis 30 bottom, mud scraper blade 23 top is equipped with out water board 8, it is connected to mounting panel 7 bottom one side to go out water board 8 one end, it is equipped with deposit room 31 to go out water board 8 to keep.

Specifically, a first feed inlet 3 is arranged on one side of the first motor 4, which is far away from the first guide plate 18, and a second feed inlet 5 is arranged on one side of the second motor 6, which is far away from the second guide plate 21; the tops of the first guide plate 18, the second guide plate 21 and the mounting plate 7 are connected to the inner wall of the top of the tank body 1, and the bottom of the third guide plate 22 is connected to the inner wall of the bottom of the tank body 1; the top of one side of the settling chamber 31 is provided with a draft tube 10, the draft tube 10 is positioned above the water outlet plate 8, and the top of one side of the settling chamber 31, which is far away from the draft tube 10, is provided with a clear water pipe 11; a plurality of clean water diversion channels 32 are obliquely formed in the water outlet plate 8, one end of the diversion pipe 10, which is far away from the water outlet plate 8, is arc-shaped, one end of the clean water pipe 11 is in threaded connection with a mounting sleeve 12, and a screen is arranged in the mounting sleeve 12; a first sludge pumping pipe 25 is installed on one side of a sludge storage chamber 29, one end, far away from the sludge storage chamber 29, of the first sludge pumping pipe 25 is communicated to an inlet of a first centrifugal pump 24, an outlet of the first centrifugal pump 24 is communicated to a sewage pipe 13 through a sludge return pipe 14, a second sludge pumping pipe 28 is installed at the bottom of the sludge storage chamber 29, the bottom end of the second sludge pumping pipe 28 is communicated to an inlet of a second centrifugal pump 26, and a sludge pipe 27 is installed at an outlet of the second centrifugal pump 26.

Referring to fig. 1-2, a settling tank for sewage treatment according to the present embodiment works as follows:

sewage enters a salvage chamber 15 from a sewage pipe 13, a coarse sieve plate 16 is installed at an outlet of the salvage chamber 15, the coarse sieve plate 16 intercepts floating objects and large suspended matters in the sewage in the salvage chamber 15, large-volume impurities are removed from a salvage port 2, the sewage enters a tank body 1, a coagulant is added from a first feeding port 3, a coagulant aid is added from a second feeding port 5, particles which are difficult to precipitate in the sewage can be mutually polymerized to form colloid, a first motor 4 is started to drive a first stirring blade 17 to rotate through a rotating shaft, a second motor 6 is started to drive a second stirring blade 19 to rotate through the rotating shaft, the first stirring blade 17 and the second stirring blade 19 enable the polymerization to be more complete, the colloid moves along with water flow, and the colloid and the water are separated below a water outlet plate 8;

sinking colloid, starting a third motor 9 to drive a rotating shaft 30 and a sludge scraper 23 to rotate, moving the colloid to a sludge storage chamber 29 by the sludge scraper 23, starting a first centrifugal pump 24 to convey upper-layer sludge from a first sludge pumping pipe 25 to a sewage pipe 13 through a sludge return pipe 14, and starting a second centrifugal pump 26 to discharge lower-layer sludge from a sludge pipe 27 through a second sludge pumping pipe 28;

the water rises, and the water is conveyed to the settling chamber 31 through the clear water guide channel 32 of the water outlet plate 8 through the guide pipe 10 for standing, further solid impurities in the water are separated, and clear water is screened from the mounting sleeve 12 on the clear water pipe 11 and then discharged.

The foregoing is merely exemplary and illustrative of the structure of the invention, and various modifications, additions and substitutions as described in the detailed description may be made by those skilled in the art without departing from the structure or exceeding the scope of the invention as defined in the claims.

Claims

1. The sedimentation tank for sewage treatment is characterized by comprising a tank body (1) and a sludge storage chamber (29), wherein one end of the tank body (1) is provided with a fishing chamber (15), one end of the fishing chamber (15) is provided with a sewage pipe (13), one end of the fishing chamber (15) far away from the sewage pipe (13) is provided with a coarse sieve plate (16), the top of the fishing chamber (15) is provided with a fishing opening (2), one side of the fishing chamber (15) far away from the sewage pipe (13) is provided with a first stirring blade (17), the first stirring blade (17) is connected onto an output shaft of a first motor (4) through a rotating shaft, one side of the first stirring blade (17) far away from the coarse sieve plate (16) is provided with a first guide plate (18), one side of the first guide plate (18) far away from the first stirring blade (17) is provided with a reaction barrel (20), and the inner cavity of the reaction barrel (20) is provided with a, the second stirring blade (19) is connected to the output shaft of the second motor (6) through a rotating shaft, a second guide plate (21) is arranged on one side of the reaction barrel (20) far away from the first guide plate (18), a third guide plate (22) is arranged on one side of the second guide plate (21) far away from the reaction barrel (20), a plurality of sludge scrapers (23) are arranged on one side of the third guide plate (22) far away from the second guide plate (21), the sludge scrapers (23) are all connected to the bottom end of the rotating shaft (30), the top end of the rotating shaft (30) penetrates through the groove body (1) and is connected to an output shaft of a third motor (9), a sludge storage chamber (29) is arranged right below the bottom end of the rotating shaft (30), a water outlet plate (8) is arranged above the sludge scraper (23), go out water board (8) one end and be connected to mounting panel (7) bottom one side, it is equipped with deposit room (31) to keep away from mounting panel (7) one side to go out water board (8).

2. A sedimentation tank for sewage treatment according to claim 1, characterised in that the first motor (4) is provided with a first inlet (3) on the side remote from the first deflector (18) and the second motor (6) is provided with a second inlet (5) on the side remote from the second deflector (21).

3. The sedimentation tank for sewage treatment according to claim 1, wherein the top of the first guide plate (18), the top of the second guide plate (21) and the top of the mounting plate (7) are connected to the inner wall of the top of the tank body (1), and the bottom of the third guide plate (22) is connected to the inner wall of the bottom of the tank body (1).

4. A sedimentation tank for sewage treatment according to claim 1, characterized in that the top of one side of the sedimentation chamber (31) is provided with a draft tube (10), the draft tube (10) is positioned above the water outlet plate (8), and the top of one side of the sedimentation chamber (31) far away from the draft tube (10) is provided with a clean water pipe (11).

5. A sedimentation tank for sewage treatment according to claim 4, wherein a plurality of clear water diversion channels (32) are obliquely formed in the water outlet plate (8), the end of the diversion pipe (10) far away from the water outlet plate (8) is arc-shaped, one end of the clear water pipe (11) is connected with a mounting sleeve (12) in a threaded manner, and a screen is arranged in the mounting sleeve (12).

6. A sedimentation tank for sewage treatment according to claim 1, characterized in that a first sludge pumping pipe (25) is installed at one side of the sludge storage chamber (29), one end of the first sludge pumping pipe (25) far away from the sludge storage chamber (29) is communicated to an inlet of a first centrifugal pump (24), an outlet of the first centrifugal pump (24) is communicated to a sewage pipe (13) through a sludge return pipe (14), a second sludge pumping pipe (28) is installed at the bottom of the sludge storage chamber (29), the bottom end of the second sludge pumping pipe (28) is communicated to an inlet of a second centrifugal pump (26), and a sludge pipe (27) is installed at an outlet of the second centrifugal pump (26).