CN215516811U

CN215516811U - Aerobic tank

Info

Publication number: CN215516811U
Application number: CN202122024053.5U
Authority: CN
Inventors: 刘占鳌
Original assignee: Zhuji Lanxin Environmental Protection Technology Co Ltd
Current assignee: Zhuji Lanxin Environmental Protection Technology Co Ltd
Priority date: 2021-08-25
Filing date: 2021-08-25
Publication date: 2022-01-14
Anticipated expiration: 2031-08-25

Abstract

The utility model relates to the technical field of sewage treatment, in particular to an aerobic tank which comprises a tank body, a cleaning component, a dumping component, a collecting tank and an aeration component. Cell body upper end is uncovered setting, the aeration subassembly is arranged in providing oxygen to the aerobic microorganism in the activated sludge in the cell body, promote the decomposition of organic matter in the aerobic microorganism along with sewage, the collecting box is placed outside the cell body and is close to and emptys subassembly one side, the clearance subassembly is arranged in will pouring into the filtering of large granule impurity in the sewage in the cell body, impurity and foam after the filtration clean simultaneously, it is used for accepting impurity and foam after cleaning and pours both into to the collecting box to empty the subassembly, under the combined action of clearance subassembly and the subassembly of empting, in time clear up the foam that produces in the cell body. The utility model reduces the risk of foam overflowing out of the tank body and improves the cleanliness of the tank wall outside the tank body.

Description

Aerobic tank

Technical Field

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

Background

The principle of purifying sewage in the aerobic tank is that activated sludge breathes aerobically, a large number of aerobic microorganisms capable of purifying water quality are cultured in the activated sludge, oxygen is provided for the growth of the aerobic microorganisms through aeration in the aerobic tank, the growth and propagation of the aerobic microorganisms are promoted, and the aerobic microorganisms can decompose organic matters into inorganic matters, so that the purpose of removing pollutants is achieved.

At present, because the aerobic tank runs under a high load state, when organic matters in wastewater are not degraded, activated sludge is in a high activity state, and at the moment, water is rich in various organic matters and colloidal substances and proteins generated by microorganisms, a large amount of foams can be generated, and the foams float on sewage and even overflow out of the aerobic tank to cause serious pollution to the tank wall outside the equipment.

SUMMERY OF THE UTILITY MODEL

The utility model provides an aerobic tank, which aims to effectively clean foam in the aerobic tank and improve the cleanliness of the tank wall outside the aerobic tank.

The aerobic tank provided by the utility model adopts the following technical scheme:

the utility model provides an aerobic tank, includes the cell body, set up in clearance subassembly on the cell body, be used for empting the subassembly of empting of foam, collect the collecting box of empting the back foam and be used for right the aeration subassembly of microorganism oxygen suppliment in the cell body, clearance subassembly including install in filter screen in the cell body, set up in scraper blade and drive on the filter screen the scraper blade is relative filter screen reciprocating motion's first driving piece, the scraper blade lower extreme with the filter screen butt, it includes the board of empting and is used for the drive to empty the board and pour the foam into the upset part to the collecting box, the scraper blade is used for pushing away the foam to empty on the board.

Through adopting above-mentioned technical scheme, first driving piece promotes scraper blade reciprocating motion on the filter screen, the scraper blade is in removing the in-process impurity and foam on with the filter screen and sweep to the board of empting on, foam and impurity that will empty on the board under the effect of upset part are poured into to the collecting box in, the filter screen is used for filtering the large granule impurity that comes from in the sewage, under the combined action of clearance subassembly and empting the subassembly, in time clear up the foam that produces in the cell body, the risk of the foam overflow the outside cell body has been reduced, the cleanliness of the outside pool wall of cell body has been improved, the cleanliness of quality of water in the cell body is improved.

Optionally, the filter screen and the tank body are detachably connected.

Through adopting above-mentioned technical scheme, filter screen and cell body are releasable connection, and the filter screen of easy to assemble when the mesh grow of filter screen, conveniently changes the filter screen.

Optionally, the filter screen is embedded in the tank body, the distance between the lower end face of the filter screen and the upper end face of the tank body is the cleaning height of foam, and the lower end face of the filter screen is flush with the upper surface of sewage.

Through adopting above-mentioned technical scheme, the filter screen inlays to be located in the aerobic tank, the lower terminal surface of filter screen is equal to the upper surface of the interior sewage of cell body, because the density of foam is little, the foam floats in the sewage upper end, the foam gets into in the filter screen, scraper blade and filter screen butt, on the one hand, make things convenient for the scraper blade to the clearance of foam on the filter screen, on the other hand, the impurity on the filter screen has been cleared up to the scraper blade, reduce the probability that the filter screen hole is blockked up by large granule impurity, the foam of also being convenient for penetrates in the mesh entering filter screen of filter screen.

Optionally, the scraper blade upper end is the bending type and sets up the baffle portion that forms, the baffle portion with the moving direction of scraper blade forms the acute angle.

Through adopting above-mentioned technical scheme, the baffle portion that the scraper blade upper end is bending type and forms is used for realizing sheltering from the foam, and the scraper blade reduces the probability that the foam spills over from the scraper blade top when propelling movement foam to the board of toppling over, improves the reliability that the scraper blade cleared up the foam.

Optionally, the dumping plate comprises a receiving portion and a rotating portion perpendicular to the receiving portion, and the receiving portion is arranged on one side, close to the scraper, of the receiving portion in a downward inclined manner.

Through adopting above-mentioned technical scheme, the portion of accepting of the board of empting is the downward sloping setting with being close to scraper blade one side, is convenient for collect the impurity that comes from the scraper blade conveying, improves the cleanliness of filter screen.

Optionally, the upset part including be fixed in support seat on the cell body, rotate connect in pivot on the support seat, be fixed in the epaxial gear, with gear engagement's rack and drive the second driving piece that the rack removed, the rotation portion of board that inclines with pivot fixed connection, locate the mounting panel on the cell body, rack sliding connection in on the mounting panel, the second driving piece install in on the mounting panel.

Through adopting above-mentioned technical scheme, second driving piece drive rack reciprocating motion, rack and pulley gear rotates, because the gear is fixed with the pivot, pivot and empty board fixed connection, when gear revolve, empty the relative cell body rotation of board for foam and impurity in the board of empting are leading-in to the collecting box in, through rack and pinion transmission, the transmission is steady, reduces and empties the board and because speed stir too big when empting the foam, cause the foam to be from empting the possibility that overflows in the board when empting.

Optionally, a guide plate is arranged on the mounting plate, a sliding groove is formed in the guide plate, and the rack is connected in the sliding groove in a sliding mode.

Through adopting above-mentioned technical scheme, rack sliding connection realizes the guide effect to the rack motion in the spout, improves rack and gear engagement's reliability.

Optionally, the aeration component comprises an air outlet pipe, the air outlet pipe is embedded in the tank body, an air inlet pipe is welded on the tank body, the air outlet pipe is detachably connected with the air inlet pipe, and a plurality of air outlet holes are formed in the air inlet pipe.

Through adopting above-mentioned technical scheme, the outlet duct passes through removable mode with the intake pipe and is connected, convenient installation and the maintenance to outlet duct and intake pipe.

Optionally, a first flange is arranged on the air inlet pipe, a second flange is arranged on the air outlet pipe, and the first flange is connected with the second flange through a flexible pipe joint.

Through adopting above-mentioned technical scheme, because the mounted position of intake pipe is fixed, first flange passes through flexible coupling with the second flange and is connected, the compensation of being convenient for is to intake pipe and the different displacement deviation of outlet duct because of the concentricity.

Optionally, the outlet pipe is arranged in the tank body in a serpentine shape.

Through adopting above-mentioned technical scheme, the outlet duct is snakelike arranges in the cell body, has increased the area of outlet duct in the cell body, because seted up a plurality of gas release hole on the outlet duct, gaseous from a plurality of gas release hole discharge to the cell body in, for the aerobic microbe in the cell body provides abundant oxygen, because the outlet duct is snakelike arranges, has improved the homogeneity of oxygen distribution in the cell body.

In summary, the present application includes at least one of the following beneficial technical effects:

1. the clearance subassembly is swept to the board of empting through impurity and foam on the scraper blade with the filter screen on, it pours foam and impurity that the subassembly will empty on the board into to the collecting box through upset part in, the filter screen is used for filtering the large granule impurity that comes from in the sewage, under the combined action of clearance subassembly with empting the subassembly, in time clear up the foam that produces in the cell body, reduced the foam and spilled over the risk outside the cell body, the cleanliness of the outside pool wall of cell body has been improved, the cleanliness of quality of water in the improvement cell body.

Drawings

Fig. 1 is a schematic axial side structure diagram of the present embodiment.

Fig. 2 is a schematic sectional structure view of fig. 1.

FIG. 3 is a schematic view showing the structure of the push plate and the dumping plate of this embodiment.

Fig. 4 is a schematic sectional view of fig. 3.

Fig. 5 is a schematic structural view of the pouring plate of the present embodiment turned 180 degrees around the rotating shaft.

Fig. 6 is a partial enlarged view of X in fig. 5.

Fig. 7 is a schematic view of the installation structure of the aeration assembly of fig. 5.

Description of reference numerals:

1. a tank body; 2. cleaning the assembly; 21. a squeegee; 211. a baffle portion; 22. a filter screen; 221. an installation part; 222. a first screw; 223. a filtering part; 23. a multi-stage cylinder; 24. a support frame; 3. a pouring assembly; 31. a plate is poured; 311. a receiving part; 312. a rotating part; 32. a turning part; 321. a supporting seat; 322. a rotating shaft; 323. a gear; 324. a rack; 325. a second cylinder; 326. mounting a plate; 327. a guide plate; 328. a chute; 329. a connecting plate; 4. a collection box; 5. an aeration assembly; 501. an air outlet pipe; 502. an air inlet pipe; 503. an air outlet; 504. a first flange; 505. a second flange; 506. a flexible pipe joint.

Detailed Description

The present invention is described in further detail below with reference to figures 1-7.

The embodiment of the application discloses an aerobic tank,

referring to fig. 1 and 2, an aerobic tank comprises a tank body 1, a cleaning assembly 2, a dumping assembly 3, a collection tank 4 and an aeration assembly 5.

The upper end of the tank body 1 is arranged in an open manner, and the aeration component 5 is used for providing oxygen for aerobic microorganisms in the activated sludge in the tank body 1 and promoting the aerobic microorganisms to decompose along with organic matters in the sewage.

Collecting box 4 is placed and is close to 3 one sides of empting subassembly in cell body 1 outside, clearance subassembly 2 is arranged in will pouring into filtering of large granule impurity in the sewage of cell body 1, impurity and foam after filtering clean simultaneously, it is used for accepting impurity and foam after cleaning and pours both into to collecting box 4 to empty subassembly 3, under clearance subassembly 2 and the combined action of empting subassembly 3, in time clear up the foam that produces in the cell body 1, the risk outside the foam spills over cell body 1 has been reduced, the cleanliness of the outside pool wall of cell body 1 has been improved.

In particular, the method comprises the following steps of,

referring to fig. 3 and 4, the cleaning assembly 2 comprises a screen 22, a scraper 21 and two first driving members, which are multi-stage cylinders 23.

The filter screen 22 is embedded in the tank body 1, the upper end of the filter screen 22 is bent to form an installation part 221 parallel to the inner water surface of the tank body 1 and a filtering part 223 for filtering sewage, the installation part 221 is provided with a first screw 222, and the installation part 221 and the upper end surface of the tank body 1 along the length direction are fixedly connected through the first screw 222. The tank body 1 is fixed with the filter screen 22 through detachable connection, and the filter screen is convenient to install and replace.

In sewage from 1 upper end of cell body injected into cell body 1 through filter screen 22, filter screen 22 played the filter action to the impurity of the big granule in the sewage, and sewage is injected into the surface of water in filter screen 22 and the cell body 1 and is equal, a large amount of foams that aerobic microorganisms in the cell body 1 can produce when decomposing the organic matter, because the density of foam is little, float in the filter screen 22 is penetrated to sewage plane upper end, the distance of sewage surface to 1 up end of cell body is the maximum height of clearance foam.

Scraper blade 21 inlays and locates in filter screen 22 and scraper blade 21 terminal surface butt in the up end of filter part 223 under the scraper blade, and the output of multistage cylinder 23 is fixed in and deviates from filter screen 22 one side on scraper blade 21, and the welding has two support frames 24 on the lateral wall on the cell body 1, and multistage cylinder 23 fixed mounting is on support frame 24.

Referring to fig. 1 and 3, the multistage cylinder 23 pushes the scraper 21 to reciprocate along the length direction of the tank body 1 relative to the filter screen 22, so that foam on the filter screen 22 is pushed from one side to the other side, in order to reduce the probability that the foam overflows from the upper side of the scraper 21 when the scraper 21 pushes and sweeps the foam, the upper end of the scraper 21 is bent to form a baffle portion 211, and the included angle between the baffle portion 211 and the direction in which the scraper 21 pushes the foam is an acute angle, so that the reliability of cleaning the foam by the scraper 21 is improved.

The pouring assembly 3 comprises a pouring plate 31 and an overturning member 32, the pouring plate 31 is used for receiving the foam pushed and swept up by the scraper 21, and the overturning member 32 drives the pouring plate 31 to pour the foam into the collecting box 4.

In particular, the method comprises the following steps of,

referring to fig. 4, the dumping plate 31 is disposed on the side of the filter screen 22 far away from the multi-stage cylinder 23, the dumping plate 31 is bent at a right angle, the dumping plate 31 includes a receiving portion 311 parallel to and abutted against the upper end surface of the filter portion 223 and a rotating portion 312 perpendicular to the receiving portion 311, in order to facilitate the collection of the impurities and foams pushed and swept by the scraper 21 by the dumping plate 31, the upper end surface of the receiving portion 311 is disposed in an inclined manner on the side close to the dumping plate 31, and the cleanliness of the foams and the impurities on the filter screen 22 is improved.

Referring to fig. 5 and 6, the turning member 32 includes two supporting seats 321, a rotating shaft 322, a gear 323, a rack 324, and a second driving member. The second drive member is a second cylinder 325.

The two supporting seats 321 are welded on one side of the pool body 1 close to the tilting plate 31, the rotating shaft 322 penetrates through the two supporting seats 321 and is rotatably connected in the supporting seats 321, the rotating portion 312 of the tilting plate 31 is welded on the rotating shaft 322, and the tilting plate 31 rotates along with the rotation of the rotating shaft 322.

The gear 323 is sleeved on the rotating shaft 322 and is fixedly connected with the rotating shaft 322, the mounting plate 326 is welded on the outer side wall of the tank body 1, the guide plate 327 is welded on the mounting plate 326, a sliding groove 328 is formed in the guide plate 327, the rack 324 is slidably connected in the sliding groove 328, the rack 324 is in meshed transmission with the gear 323, the second cylinder 325 is fixed on the mounting plate 326, the telescopic direction of the output end of the second cylinder 325 is parallel to the length direction of the rack 324, a connecting plate 329 is welded at one end of the rack 324, and the rack 324 is fixedly connected with the output end of the second cylinder 325 through the connecting plate 329. The second cylinder 325 and the rack 324 are arranged side by side and in parallel, so that the installation space of the second cylinder 325 is saved.

The second cylinder 325 drives the rack 324 to slide relative to the chute 328, the rack 324 drives the gear 323 to engage and rotate, and the gear 323 rotates to drive the rotating shaft 322 and the pouring plate 31 to rotate around the axis of the rotating shaft 322, so as to pour the foam in the pouring plate 31 into the collecting box 4.

Referring to fig. 7, aeration subassembly 5 includes outlet duct 501 and two intake pipe 502, and two intake pipe 502 respectively the symmetric welding on two lateral walls of cell body 1, and intake pipe 502 and air supply intercommunication have seted up a plurality of gassing hole on the outlet duct 501, and for the homogeneity that improves the oxygen distribution in the cell body 1, outlet duct 501 is snakelike arranges in cell body 1.

Outlet duct 501 is releasable connection with intake pipe 502, intake pipe 502 has first flange 504 towards the welding of 1 one side of cell body, first flange 504 is on a parallel with the terminal surface of 1 degree of depth of cell body and the setting of interval of 1 inner wall of cell body of welding intake pipe 502 one side, the welding has second flange 505 on the outlet duct 501, because cell body 1 length is longer, for the installation of making things convenient for outlet duct 501 and intake pipe 502, be equipped with flexible coupling 506 on the second flange 505, intake pipe 502 passes through flexible coupling 506 fixed connection with outlet duct 501, reduce the influence of intake pipe 502 and outlet duct 501 to the installation because of the concentricity is different.

The implementation principle of an aerobic tank in the embodiment of the application is as follows:

injecting sewage, namely injecting the sewage to be treated into a tank body 1, filtering large-particle impurities in the sewage by using a filter screen 22, and stopping injecting when the sewage in the tank body 1 is level with the lower end surface of the filter screen 22;

secondly, aerating, wherein gas flows into the gas inlet pipe 502 and flows out of the gas outlet hole 503 to provide certain oxygen for aerobic microorganisms in the activated sludge in the sewage, and a large amount of foam is generated above the sewage after a period of time;

thirdly, cleaning impurities and foams, starting a multi-stage cylinder 23 to drive a scraping plate 21 to move along the length direction of a filter screen 22 until the scraping plate 21 is abutted against a dumping plate 31, and pushing the impurities and the foams on the filter screen 22 to the dumping plate 31; the second air cylinder 325 is started, the second air cylinder 325 drives the rack 324 to move along the chute 328, the rack 324 is in meshed transmission with the gear 323, and the gear 323 rotates to drive the rotating shaft 322 and the pouring plate 31 to rotate clockwise so as to pour the foam and impurities in the pouring plate 31 into the collecting box 4; the multi-stage cylinder 23 drives the scraper 21 to move towards the direction away from the pouring plate 31, and the second cylinder 325 drives the rack 324 to move along the chute 328 in the opposite direction, so that the pouring plate 31 rotates anticlockwise to the lower end face of the receiving part 311 to abut against the filter screen 22.

The above are all preferred embodiments of the present invention, and the protection scope of the present invention is not limited thereby, so: all equivalent changes made according to the structure, shape and principle of the utility model are covered by the protection scope of the utility model.

Claims

1. An aerobic tank is characterized in that: comprises a tank body (1), a cleaning component (2) arranged on the tank body (1), a pouring component (3) used for pouring foam, a collecting box (4) used for collecting the poured foam and an aeration component (5) used for supplying oxygen to microorganisms in the tank body (1),

the cleaning assembly (2) comprises a filter screen (22) arranged in the tank body (1), a scraper (21) arranged on the filter screen (22) and a first driving piece for driving the scraper (21) to reciprocate relative to the filter screen (22), the lower end of the scraper (21) is abutted against the filter screen (22),

the pouring assembly (3) comprises a pouring plate (31) and an overturning part (32) for driving the pouring plate (31) to pour the foam into the collecting box (4), and the scraper blade (21) is used for pushing the foam onto the pouring plate (31).

2. The aerobic tank of claim 1, wherein: the filter screen (22) and the tank body (1) are detachably connected.

3. An aerobic tank according to claim 2, wherein: the filter screen (22) is embedded in the pool body (1), the distance between the lower end face of the filter screen (22) and the upper end face of the pool body (1) is the cleaning height of foam, and the lower end face of the filter screen (22) is parallel and level to the upper surface of sewage.

4. The aerobic tank of claim 1, wherein: scraper blade (21) upper end is the bending type and sets up and form baffle portion (211), baffle portion (211) with the moving direction of scraper blade (21) forms the acute angle.

5. The aerobic tank of claim 1, wherein: the dumping plate (31) comprises a bearing part (311) and a rotating part (312) perpendicular to the bearing part (311), and the bearing part (311) is arranged on one side, close to the scraper (21), of the scraper in a downward inclination mode.

6. The aerobic tank of claim 1, wherein: upset part (32) including be fixed in support (321) on cell body (1), rotate connect in pivot (322), be fixed in pivot (321) are gone up in support (321), be fixed in gear (323) on pivot (322), with rack (324) and the drive of gear (323) meshing the second driving piece that rack (324) removed, the rotation portion (312) of board (31) that inclines with pivot (322) fixed connection, locate mounting panel (326) on cell body (1), rack (324) sliding connection in on mounting panel (326), the second driving piece install in on mounting panel (326).

7. The aerobic tank of claim 6, wherein: be equipped with deflector (327) on mounting panel (326), spout (328) have been seted up on deflector (327), rack (324) sliding connection in spout (328).

8. The aerobic tank of claim 1, wherein: aeration subassembly (5) include outlet duct (501), outlet duct (501) inlay and locate in cell body (1), the welding has intake pipe (502) on cell body (1), outlet duct (501) with intake pipe (502) are releasable connection, a plurality of venthole (503) have been seted up on intake pipe (502).

9. The aerobic tank of claim 8, wherein: the air inlet pipe (502) is provided with a first flange (504), the air outlet pipe (501) is provided with a second flange (505), and the first flange (504) is connected with the second flange (505) through a flexible pipe joint (506).

10. The aerobic tank of claim 9, wherein: the air outlet pipes (501) are arranged in the tank body (1) in a snake shape.