CN219167789U

CN219167789U - Secondary sedimentation tank structure

Info

Publication number: CN219167789U
Application number: CN202223237199.9U
Authority: CN
Inventors: 黄根发
Original assignee: Jiangmen Jinguzhou Environmental Engineering Co ltd
Current assignee: Jiangmen Jinguzhou Environmental Engineering Co ltd
Priority date: 2022-12-01
Filing date: 2022-12-01
Publication date: 2023-06-13
Anticipated expiration: 2032-12-01

Abstract

The utility model relates to a secondary sedimentation tank structure, which comprises a tank body, wherein the upper end of the inner wall of the tank body is provided with a water inlet groove, the bottom of the water inlet groove is uniformly provided with a water inlet hole, the outer side of the tank body is connected with a water injection pipe, the outer side wall of the water inlet groove is provided with an overflow groove, the bottom of the overflow groove is connected with a water outlet pipe, the outer side wall of the overflow groove is uniformly connected with a connecting rod, the end part of the connecting rod is provided with a slag baffle, the highest end of the slag baffle is higher than the highest end of the overflow groove, the upper side of the tank body is provided with a passageway, a first motor is arranged on the passageway, the bottom of the tank body is rotatably provided with a rotating shaft, the output shaft of the first motor is connected with the rotating shaft, two sides of the rotating shaft, which are close to the bottom, are symmetrically provided with mud scraping plates, the bottom of the tank body is provided with mud discharging pipes, and the rotating shaft is close to the upper side. The scum on the inner side of the slag baffle is gathered together through the slag scraping plate, and the scum is salvaged through the collecting box, so that the scum is conveniently cleaned by workers, and the labor capacity of workers is reduced.

Description

Secondary sedimentation tank structure

Technical Field

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

Background

The secondary sedimentation tank is an important component of the activated sludge system, separates mud and water in sewage, clarifies and recycles mixed liquor, concentrates sludge and returns separated sludge to the biological treatment section, and the quality of the secondary sedimentation tank effect directly influences the quality of effluent and the concentration of returned sludge.

The sewage entering the secondary sedimentation tank often contains floatable scum, the scum gathers on the water surface, the appearance of the secondary sedimentation tank surface is affected, the water quality of the effluent is directly affected, the existing scum removing mode is mostly manual salvage, but the manual salvage is not only high in labor intensity and limited in salvage area, but also low in working efficiency and high in labor cost, and the maintenance of the secondary sedimentation tank is difficult.

Disclosure of Invention

The utility model aims to provide a secondary sedimentation tank structure which is convenient for salvaging scum, has high efficiency and reduces labor cost.

In order to achieve the above object, the technical scheme of the present utility model is as follows.

The secondary sedimentation tank structure comprises a tank body. The upper end of the inner wall of the tank body is provided with a water inlet groove, the bottom of the water inlet groove is uniformly provided with water inlet holes, the outer side of the tank body is connected with a water injection pipe, and the water injection pipe is communicated with the water inlet groove; an overflow groove is arranged on the outer side wall of the water inlet groove, the bottom of the overflow groove is connected with a water outlet pipe, and the water outlet pipe penetrates through the inner wall of the tank body and extends to the outer side of the tank body; the outer side wall of the overflow groove is uniformly connected with a connecting rod, the end part of the connecting rod is provided with a slag baffle, and the highest end of the slag baffle is higher than the highest end of the overflow groove; the upper side of the pool body is provided with a passageway, a first motor is arranged on the passageway, the bottom of the pool body is rotatably provided with a rotating shaft, and an output shaft of the first motor is connected with the rotating shaft; the mud scraping plates are symmetrically arranged on the two sides of the rotating shaft, which are close to the bottom, the mud discharging pipe is arranged at the bottom of the tank body, and the slag scraping plates are arranged on the rotating shaft, which are close to the upper side.

From this, in sewage enters into the inlet tank back and discharges into the cell body downwards from the inlet opening, make in the cell body liquid level rise and make upper water liquid flow into the overflow launder from the overflow launder to the motion all around between the slag trap, outwards discharge through the outlet pipe, because water liquid moves all around, and then drive the dross that floats on the surface and pile up the inboard of slag trap, and drive the slag scraping plate rotation through the rotation axis, with the inboard dross gathering of slag trap together, thereby make things convenient for the staff to clear up the dross, alleviate workman's amount of labour.

Further, the upper side that the scum board is close to one end of scum board installs L shape support, and the hoist engine is installed to the upside of L shape support, and the side of scum board is close to the downside position and is provided with the collection box, and wire rope's tip is connected with the collection box on the hoist engine.

Because the dross is gathered through the scum scraping plate, the dross is concentrated on one side of the scum scraping plate, and the collecting box is lifted by the winch, so that the gathered dross can be collected in the collecting box, and the scum can be cleaned and collected by workers conveniently.

Further, a connecting block A is arranged on the upper side of the collecting box, which is close to one end of the scraping plate, and a chute is arranged on one side of the L-shaped support, which faces the collecting box, and the connecting block A is arranged on the outer side of the L-shaped support in a limiting sliding manner through the chute.

The collecting box is arranged on the outer side of the scum scraping plate and the L-shaped support in a limiting sliding manner through the connecting block A, so that the collecting box is prevented from toppling in the pulling process, the collecting box is prevented from being flushed by water flow, the position is changed and shifted, and the collection of scum is influenced.

Further, the upper surface of L shape support has seted up the intercommunication notch, and the threaded rod is installed in the inside rotation of intercommunication notch, and the surface meshing cover of threaded rod is equipped with the nut, and the outside of nut is connected with connecting block B, and connecting block B's tip passes the intercommunication notch to be connected with the hoist engine, and the second motor is installed along one side of threaded rod length direction to L shape support, and the output shaft and the threaded rod of second motor are connected.

After the collecting box salvages the scum, the second motor can be started to move to the outermost end of the L-shaped support, so that a worker can contact the collecting box, the collected and salvaged scum in the collecting box can be conveniently cleaned, and the cleaning effect on the scum is further improved.

Further, reinforcing rods are connected to two sides of the rotating shaft, and the end portions of the reinforcing rods are connected with the surface of the mud scraping plate.

The reinforcing rod can play a reinforcing role on the mud scraping plate, so that the mud scraping effect of the mud scraping plate is better, and the service life of the mud scraping plate is prolonged.

Further, the guide slot has been seted up to the upside of cell body, and the bracing piece is installed to the downside of L shape support, and the bottom of bracing piece is provided with the removal wheel, and the removal wheel sets up in the guide slot.

The supporting rod provides supporting force for the slag scraping plate and the L-shaped support, so that the structure of the slag scraping plate is stable, and the friction resistance between the guide groove and the tank body can be reduced by the guide groove and the moving wheel, so that the slag scraping plate can be used in a better operation mode.

Drawings

Fig. 1 is a schematic perspective view of the present utility model.

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

Fig. 3 is an enlarged schematic view of B in fig. 1.

Fig. 4 is a schematic view of a partial cross-sectional structure of the present utility model.

Fig. 5 is an enlarged schematic view of C in fig. 4.

Fig. 6 is a schematic view of a partial sectional structure of an L-shaped bracket according to the present utility model.

In the figure: 100. a cell body; 101. a water inlet tank; 102. a water inlet hole; 103. a water injection pipe; 104. an overflow trough; 105. a water outlet pipe; 106. a connecting rod; 107. a slag trap; 108. an aisle; 109. a first motor; 110. a rotation shaft; 111. a mud scraping plate; 112. a mud pipe; 113. a slag scraping plate; 200. an L-shaped bracket; 201. a hoist; 202. a collection box; 300. a connecting block A; 301. a chute; 400. a communication notch; 401. a threaded rod; 402. a nut; 403. a connecting block B; 404. a second motor; 500. a reinforcing rod; 600. a guide groove; 601. a support rod; 602. and (5) moving the wheel.

Detailed Description

The present utility model will be described in detail below with reference to the accompanying drawings.

As shown in fig. 1-6, the secondary sedimentation tank structure includes a tank body 100.

The upper end of the inner wall of the tank body 100 is provided with a water inlet groove 101, the bottom of the water inlet groove 101 is uniformly provided with water inlet holes 102, the outer side of the tank body 100 is connected with a water injection pipe 103, and the water injection pipe 103 is communicated with the water inlet groove 101; an overflow groove 104 is arranged on the outer side wall of the water inlet groove 101, the bottom of the overflow groove 104 is connected with a water outlet pipe 105, and the water outlet pipe 105 penetrates through the inner wall of the tank body 100 and extends to the outer side of the tank body 100; the outer side wall of the overflow groove 104 is uniformly connected with a connecting rod 106, the end part of the connecting rod 106 is provided with a slag baffle 107, and the highest end of the slag baffle 107 is higher than the highest end of the overflow groove 104; a passageway 108 is arranged on the upper side of the pool body 100, a first motor 109 is arranged on the passageway 108, a rotating shaft 110 is rotatably arranged at the bottom of the pool body 100, and an output shaft of the first motor 109 is connected with the rotating shaft 110; the rotary shaft 110 is symmetrically provided with scraping plates 111 at two sides near the bottom, the bottom of the tank body 100 is provided with a mud discharging pipe 112, and the rotary shaft 110 is provided with a scraping plate 113 near the upper side.

Sewage enters the water inlet tank 101 through the water injection pipe 103 and then is discharged downwards into the tank body 100 from the water inlet hole 102, silt impurities in the sewage fall to the bottom under the action of gravity, the mud is scraped to the bottom of the tank body 100 by the mud scraping plate 111 and is discharged through the mud discharging pipe 112, the liquid level rises along with the sewage entering the tank body 100, when the liquid level of the water is higher than that of the overflow tank 104, the sewage can move around to flow into the overflow tank 104 from between the overflow tank 104 and the slag blocking plate 107, and is discharged outwards through the water outlet pipe 105, and as the water moves around, the floating slag on the surface is driven to pile up the inner side of the slag blocking plate 107, and the slag on the inner side of the slag blocking plate 107 is driven to rotate through the rotating shaft 110, so that the scum is gathered together, and the scum is cleaned conveniently by workers.

Preferably, an L-shaped bracket 200 is arranged on the upper side of one end, close to the slag baffle 107, of the slag scraping plate 113, a winch 201 is arranged on the upper side of the L-shaped bracket 200, a collecting box 202 is arranged on the side surface, close to the lower side, of the slag scraping plate 113, and the end part of a steel wire rope on the winch 201 is connected with the collecting box 202.

When the scum gathered by the scum scraping plate 113 reaches a certain amount, the winch 201 is started to pull the collection box 202 upwards, and the collection box 202 drags the scum floating on the water surface, so that the scum can be conveniently cleaned and collected by workers.

Preferably, a connecting block A300 is arranged on the upper side of one end, close to the slag scraping plate 113, of the collecting box 202, a sliding groove 301 is formed in one side, facing the collecting box 202, of the L-shaped support 200, and the connecting block A300 is arranged on the outer side of the L-shaped support 200 in a limiting sliding mode through the sliding groove 301.

When the hoist 201 lifts the collection box 202, the collection box 202 is stressed on one side through the connecting block A300, so that the collection box 202 is easy to incline or even incline, the situation that the collection box 202 inclines or inclines can be avoided by limiting and sliding the connecting block A300, and the change of the position of the collection box 202 under the scouring of water flow can be avoided.

Preferably, the upper surface of L shape support 200 has seted up intercommunication notch 400, and threaded rod 401 is installed in the inside rotation of intercommunication notch 400, and threaded rod 401's surface meshing cover is equipped with nut 402, and the outside of nut 402 is connected with connecting block B403, and connecting block B403's tip passes intercommunication notch 400 and is connected with hoist 201, and L shape support 200 installs second motor 404 along one side of threaded rod 401 length direction, and the output shaft and the threaded rod 401 of second motor 404 are connected.

After the hoist 201 lifts the collection box 202 to the highest position, the second motor 404 is started to drive the threaded rod 401 to rotate, the hoist 201 can be driven to move through the connection function of the connecting block B403, and the collection box 202 is driven to move towards the second motor 404 through the hoist 201, so that workers can contact the collection box 202, scum collected and salvaged in the collection box 202 can be cleaned conveniently, and the scum cleaning effect is further improved.

Preferably, reinforcing rods 500 are connected to both sides of the rotation shaft 110, and ends of the reinforcing rods 500 are connected to the surface of the scraper 111.

When the rotation shaft 110 drives the reinforcing rod 500 to hang the mud at the bottom of the pool body 100, the reinforcing rod 500 receives a transverse acting force, and the phenomenon of fracture easily occurs under long-time operation, and the reinforcing rod 500 can reinforce the mud scraping plate 111, so that the acting force received by the mud scraping plate 111 is reduced, and the service life of the mud scraping plate 111 is prolonged.

Preferably, the upper side of the tank body 100 is provided with a guide groove 600, the lower side of the L-shaped bracket 200 is provided with a support bar 601, the bottom of the support bar 601 is provided with a moving wheel 602, and the moving wheel 602 is arranged in the guide groove 600.

When the rotation shaft 110 drives the slag scraping plate 113 and the L-shaped bracket 200 to rotate, the support bar 601 provides support capability for the slag scraping plate 113 and the L-shaped bracket 200, and the moving wheel 602 rolls in the guide groove 600 along with the rotation of the rotation shaft 110, so that friction resistance is reduced, and the slag scraping plate can be used in a better operation.

The foregoing detailed description of the utility model has been presented in conjunction with a specific embodiment, and it is not intended that the utility model be limited to such detailed description. Several equivalent substitutions or obvious modifications will occur to those skilled in the art to which this utility model pertains without departing from the spirit of the utility model, and the same should be considered to be within the scope of this utility model as defined in the appended claims.

Claims

1. Secondary sedimentation tank structure, including cell body (100), its characterized in that:

the water inlet tank (101) is arranged at the upper end of the inner wall of the tank body (100), water inlet holes (102) are uniformly formed in the bottom of the water inlet tank (101), a water injection pipe (103) is connected to the outer side of the tank body (100), and the water injection pipe (103) is communicated with the water inlet tank (101);

an overflow groove (104) is arranged on the outer side wall of the water inlet groove (101), the bottom of the overflow groove (104) is connected with a water outlet pipe (105), and the water outlet pipe (105) penetrates through the inner wall of the tank body (100) and extends to the outer side of the tank body (100);

the outer side wall of the overflow groove (104) is uniformly connected with a connecting rod (106), a slag baffle (107) is arranged at the end part of the connecting rod (106), and the highest end of the slag baffle (107) is higher than the highest end of the overflow groove (104);

an aisle (108) is arranged on the upper side of the pool body (100), a first motor (109) is arranged on the aisle (108), a rotating shaft (110) is rotatably arranged at the bottom of the pool body (100), and an output shaft of the first motor (109) is connected with the rotating shaft (110);

the mud scraping plates (111) are symmetrically arranged on two sides of the rotating shaft (110) close to the bottom, a mud discharging pipe (112) is arranged at the bottom of the tank body (100), and the slag scraping plates (113) are arranged on the rotating shaft (110) close to the upper side.

2. The secondary sedimentation tank structure of claim 1, wherein:

an L-shaped bracket (200) is arranged on the upper side of one end, close to the slag baffle (107), of the slag scraping plate (113), a winch (201) is arranged on the upper side of the L-shaped bracket (200), a collecting box (202) is arranged on the side surface, close to the lower side, of the slag scraping plate (113), and the end portion, close to the lower side, of a steel wire rope on the winch (201) is connected with the collecting box (202).

3. A secondary sedimentation tank arrangement as claimed in claim 2, characterized in that:

connecting block A (300) is installed to the upside that collecting box (202) is close to scraping board (113) one end, L shape support (200) face collecting box (202) one side has seted up spout (301), connecting block A (300) are passed through limit sliding of spout (301) installs the outside of L shape support (200).

4. A secondary sedimentation tank arrangement as claimed in claim 3, characterized in that:

the utility model discloses a hoist engine, including L shape support (200), screw rod (401) are installed in the inside rotation of L shape support (200), intercommunication notch (400) are seted up to the inside rotation of intercommunication notch (400), the surface meshing cover of screw rod (401) is equipped with nut (402), the outside of nut (402) is connected with connecting block B (403), the tip of connecting block B (403) passes intercommunication notch (400) with hoist engine (201) are connected, L shape support (200) are followed one side of screw rod (401) length direction installs second motor (404), the output shaft of second motor (404) with screw rod (401) are connected.

5. The secondary sedimentation tank structure of claim 4, wherein:

reinforcing rods (500) are connected to two sides of the rotating shaft (110), and the end portions of the reinforcing rods (500) are connected with the surface of the scraper (111).

6. The secondary sedimentation tank structure of claim 5, wherein:

the upper side of the tank body (100) is provided with a guide groove (600), the lower side of the L-shaped support (200) is provided with a support rod (601), the bottom of the support rod (601) is provided with a moving wheel (602), and the moving wheel (602) is arranged in the guide groove (600).