CN210934096U

CN210934096U - Effluent water sump

Info

Publication number: CN210934096U
Application number: CN201921794507.3U
Authority: CN
Inventors: 崔业祥; 王雅芳; 严培军
Original assignee: Zhejiang Zhonghui Traffic Engineering Co ltd
Current assignee: Zhejiang Zhonghui Traffic Engineering Co ltd
Priority date: 2019-10-23
Filing date: 2019-10-23
Publication date: 2020-07-07
Anticipated expiration: 2029-10-23

Abstract

The utility model relates to the technical field of sewage treatment, and discloses a sewage pool, which comprises a pool body, wherein a filter plate is arranged in the pool body, a plurality of filter holes are arranged on the filter plate, a water inlet pipe and a water outlet pipe are arranged on the pool body, and the water inlet pipe and the water outlet pipe are respectively positioned at two sides of the filter plate; the drain pipe is arranged on one side of the filter plate close to the bottom of the pool; a scraping plate is slidably arranged on the bottom wall of the tank body, and a sewage outlet is formed in the side wall of the tank body; a driving piece for driving the scraping plate to slide towards the sewage draining exit is arranged on the tank body; the drain pipe is positioned on one side of the sewage draining outlet, which is close to the filter plate; a blocking plate is detachably arranged on the sewage draining outlet through a positioning piece. Through set up the drain on the cell body, slide on the cell body and set up and strike off the board to can be convenient with mud on the cell body diapire discharge from the drain, make things convenient for the staff to clear up the mud on the cell body diapire.

Description

Effluent water sump

Technical Field

The utility model relates to a sewage treatment's technical field especially relates to a sewage pond.

Background

Water is always a precious resource on which organisms live, and is always a subject for researches of scholars to treat water, and is particularly important for treating sewage. The general sewage treatment method is to introduce the sewage into a sewage tank, to settle the sewage by standing, to perform chemical treatment such as oxidation on the supernatant of the settled water, so as to treat the seriously polluted water to the water which can be purified by microorganisms, and to discharge the water to a natural water source.

The filter that only has a level to set up in the current sewage pond carries out simple filtration to sewage to carry out simple filtration to the great rubbish of volume in the sewage, prevent that the great rubbish of volume from influencing the processing of follow-up water. And after being filtered by the filter plate, the sewage is stood and settled at the bottom of the sewage pool and is finally discharged from a water outlet of the sewage pool.

However, the sewage pool finds that a lot of sludge is attached to the bottom of the sewage pool in the long-term use process, and workers need to detach the filter plate when needing to clean the sludge and then enter the bottom of the sewage pool to manually scrape the sludge, so that the workers are very inconvenient to clean the sludge at the bottom of the sewage pool.

SUMMERY OF THE UTILITY MODEL

Not enough to above-mentioned prior art exists, the utility model discloses an aim at then provides a effluent water sump, makes things convenient for the staff to clear up the mud on the cell body diapire.

The above object of the present invention is achieved by the following technical solutions:

a sewage pool comprises a pool body, wherein a filter plate is arranged in the pool body, a plurality of filter holes are formed in the filter plate, a water inlet pipe and a water outlet pipe are arranged on the pool body, and the water inlet pipe and the water outlet pipe are respectively positioned on two sides of the filter plate; the drain pipe is arranged on one side of the filter plate close to the bottom of the pool; a scraping plate is slidably arranged on the bottom wall of the tank body, and a sewage outlet is formed in the side wall of the tank body; a driving piece for driving the scraping plate to slide towards the sewage draining exit is arranged on the tank body; the drain pipe is positioned on one side of the sewage draining outlet, which is close to the filter plate; a blocking plate is detachably arranged on the sewage draining outlet through a positioning piece.

Through adopting above-mentioned technical scheme, the during operation, sewage from the inlet tube enter into the cell body in, flow to the filter on, the great rubbish of volume is strained on the filter, then stews and subsides in the cell body bottom, subsides the back of finishing and discharges upper portion liquid from the drain pipe. When needs strike off mud on the cell body bottom, strike off the board through the driving piece drive and slide on the cell body diapire, strike off the board and strike off the cell body diapire at the in-process that slides, after mud on the cell body diapire is struck off, open the setting element, thereby open the barrier plate, drive through control driving piece and strike off the board and slide towards the drain, thereby can drive sludge to drain department that strikes off, then the staff clears up out mud from drain department. Through set up the drain on the cell body, slide on the cell body and set up and strike off the board to can be convenient with mud on the cell body diapire discharge from the drain, make things convenient for the staff to clear up the mud on the cell body diapire.

The utility model discloses further set up to: the driving piece comprises a driving lead screw rotatably arranged on the tank body and a driving motor fixedly arranged on the outer side wall of the tank body, and a limiting rod is arranged in the tank body; the scraping plate is in threaded connection with the driving lead screw; the scraping plate is tightly propped against the bottom wall of the tank body and is connected with the limiting rod in a sliding manner; one end of the driving screw penetrates out of the tank body and is connected with the driving motor.

By adopting the technical scheme, when the scraping plate is required to be driven to scrape the bottom wall of the pool body, the driving motor is started, the driving motor drives the driving lead screw to rotate, and the driving lead screw drives the scraping plate to slide along the axial direction of the driving lead screw, so that the scraping plate can be stably driven to slide; the limiting rod can prevent the scraping plate from rotating, so that the scraping plate can stably slide along the axial direction of the driving screw rod; simple structure strikes off stably.

The utility model discloses further set up to: a waste discharge port is formed in the side wall of the tank body, and the filter plate is obliquely and upwards arranged from one side close to the waste discharge port to the other side; the waste discharge port is movably provided with a waste discharge plate through a locking piece.

Through adopting above-mentioned technical scheme, the filter slope sets up downwards to can make the great rubbish of volume roll towards the direction of wasting discharge port under the gravity of self, save when too much when the rubbish of wasting discharge port department, open the retaining member, thereby will arrange the waste board and pull down from wasting discharge port, make things convenient for the great rubbish of volume to discharge from wasting discharge port department. Through seting up the mouth of wasting discharge to conveniently discharge the great rubbish of volume on the filter, arrange the useless board through the setting, thereby can make and not influence the normal use of effluent water sump when need not discharge rubbish.

The utility model discloses further set up to: one side of arranging useless board with the cell body is articulated, the retaining member include along the horizontal direction slide set up in the check lock of cell body lateral wall and fixed set up in the latch segment on the board of wasting discharge, set up the confession on the latch segment the locking hole that the check lock was pegged graft, the check lock peg graft in the locking hole.

Through adopting above-mentioned technical scheme, when needs make waste discharge port and outside intercommunication, through sliding the check lock lever for the check lock lever breaks away from with the locking hole, then rotates the waste discharge board towards the direction of keeping away from waste discharge port, thereby makes waste discharge port and external intercommunication. When the waste discharge port needs to be sealed, the waste discharge plate is rotated towards the direction of the waste discharge port, and meanwhile, the locking rod is slid towards the direction far away from the locking block, so that the waste discharge plate is inserted into the waste discharge port; then the locking rod is slid to enable the locking rod to be inserted into the locking hole, so that the waste discharge plate is prevented from being separated from the waste discharge port. Simple structure and convenient operation.

The utility model discloses further set up to: a fixed block is fixedly arranged on the outer side wall of the tank body, a fixed cavity is formed in the fixed block, through holes communicated with the fixed cavity are formed in two opposite sides of the fixed block in the horizontal direction, and the locking rod penetrates through the two through holes in the fixed block; the locking rod is fixedly provided with a propping sheet, and the propping sheet is arranged in the fixed cavity in a sliding manner; the locking rod is sleeved with a return spring; one end of the reset spring is tightly propped against the side wall of the propping sheet far away from the locking block, and the other end of the reset spring is tightly propped against the inner cavity wall of the fixed cavity far away from the locking block; when the abutting sheet abuts against the inner cavity wall of the fixed cavity close to one side of the positioning block, the locking rod is inserted into the locking hole.

Through adopting above-mentioned technical scheme, when needs make the check lock lever and locking hole throw off, the staff overcomes reset spring's elasticity orientation and keeps away from the direction tractive check lock lever of latch segment, drives to support the grip tab and compress reset spring, after check lock lever and locking hole break away from. When the waste discharge plate is required to be inserted into the waste discharge port, the elastic force of the reset spring is overcome by a worker to pull the locking rod, so that the locking rod slides towards the direction far away from the locking block, then the waste discharge plate is rotated, the waste discharge plate is inserted into the waste discharge port, the axis of the locking hole coincides with the axis of the locking rod at the moment, then the worker releases the locking rod, the reset spring drives the abutting sheet to slide towards the direction of the locking block, and therefore the locking rod is inserted into the locking hole. Through setting up reset spring to can apply the ascending effort of orientation latch segment direction to the check lock lever, thereby can make the check lock lever can be more firm pegging graft downthehole at the locking.

The utility model discloses further set up to: the baffle plate is inserted in the sewage draining port, the positioning piece comprises a positioning piece fixedly arranged on the baffle plate and a positioning bolt arranged on the positioning piece in a penetrating mode, and the positioning bolt is in threaded connection with the outer side wall of the pool body.

Through adopting above-mentioned technical scheme, when needs are torn down the barrier plate from sewage disposal department, twist the positioning bolt for positioning bolt breaks away from on the cell body lateral wall, then takes off positioning bolt, thereby can pull down the barrier plate from sewage disposal department, when needs install, positioning bolt passes the barrier plate, and threaded connection is on the lateral wall of cell body. Simple structure, it is fixed stable.

The utility model discloses further set up to: the fixed cover of fixed cover is equipped with the rubber circle on the periphery lateral wall of barrier plate, seted up on the inner peripheral lateral wall of drain with rubber circle complex ring channel, the rubber circle joint in the ring channel.

Through adopting above-mentioned technical scheme, when barrier plate and drain, the staff presses the barrier plate towards the direction of cell body for elastic deformation takes place for the rubber circle on the barrier plate, through the extrusion rubber circle, makes last rubber circle joint in the ring channel, thereby has strengthened the leakproofness between barrier plate and the cell body, makes the water in the cell body reduce to come out from the space between barrier plate and the drain.

The utility model discloses further set up to: be provided with the observation window on the cell body, the observation window is located the filter is close to one side of cell body bottom.

Through adopting above-mentioned technical scheme, through the circumstances that contains mud on the observation cell body bottom that personnel can be timely through the observation window to can be timely clear up the mud of cell body bottom.

The utility model discloses further set up to: the inner wall of the tank body is provided with a lighting lamp; the illuminating lamp is electrically connected with an external power supply.

Through adopting above-mentioned technical scheme, when the colour of sewage is darker, visibility in the cell body is lower, through setting up the light to can make the cell body be close to the visibility increase of diapire, thereby make things convenient for the staff to discern the mud condition in cell body bottom, carry out scraping to the cell body bottom according to the mud condition of cell body bottom.

The utility model discloses further set up to: a pushing plate is slidably arranged on the filter plate, an air cylinder is fixedly arranged on the tank body, and a piston rod of the air cylinder is fixedly connected with the pushing plate; the pushing plate is abutted against the filter plate.

By adopting the technical scheme, the air cylinder can drive the pushing plate to slide by arranging the air cylinder, so that on one hand, the garbage on the filter plate can be pushed to the waste discharge port more quickly, and the garbage can be conveniently discharged from the waste discharge port; on the other hand, when the catch bar slided on the filter, can also scrape adnexed rubbish on the filter to can make the rubbish to on the filter clear up.

To sum up, the utility model discloses a beneficial technological effect does:

1. the sewage discharge port is formed in the tank body, and the scraping plate is slidably arranged on the tank body, so that sludge on the bottom wall of the tank body can be conveniently discharged from the sewage discharge port, and workers can conveniently clean the sludge on the bottom wall of the tank body;

2. the filter plate is arranged obliquely downwards, so that garbage with larger volume on the filter plate can roll towards the direction of the waste discharge port under the self gravity, and when the garbage at the waste discharge port is accumulated too much, the locking piece is opened, so that the waste discharge plate is detached from the waste discharge port, and the garbage with larger volume is conveniently discharged from the waste discharge port;

3. when the blocking plate and the sewage discharge port are arranged, a worker presses the blocking plate towards the direction of the pool body to enable the rubber ring on the blocking plate to generate elastic deformation, and the rubber ring is extruded to enable the rubber ring to be clamped in the annular groove, so that the sealing property between the blocking plate and the pool body is enhanced, and water in the pool body is reduced from a gap between the blocking plate and the sewage discharge port;

4. when the colour of sewage is darker, visibility in the cell body is lower, through setting up the light to can make the cell body be close to the visibility increase of diapire, thereby make things convenient for the staff to discern the mud condition in cell body bottom, carry out scraping to the cell body bottom according to the mud condition of cell body bottom.

Drawings

Fig. 1 is a schematic structural view of a sewage tank of the present invention;

fig. 2 is an enlarged schematic view of a portion a of fig. 1 for illustrating a structure of a fixing block;

fig. 3 is a schematic sectional view of the fixing block and the locking block along the axial direction of the locking rod, for illustrating the internal structure of the fixing block;

FIG. 4 is an exploded view of the barrier sheet, the rubber ring and the tank body, which is used to show the structure of the rubber ring;

fig. 5 is a schematic sectional view in the direction B-B of fig. 1, illustrating the structure of the scraping plate.

Reference numerals: 1. a tank body; 2. a filter plate; 3. waste discharge plate; 4. a hinge; 5. a drive member; 51. driving a lead screw; 52. a drive motor; 6. a push plate; 7. a cylinder; 8. a locking member; 81. a locking lever; 82. a locking block; 9. a positioning member; 91. positioning plates; 92. positioning the bolt; 10. a fixed block; 11. a fixed cavity; 12. a propping sheet; 13. a pulling sheet; 14. a return spring; 15. a blocking plate; 16. a rubber ring; 17. an annular groove; 18. an observation window; 19. a water inlet pipe; 20. a drain pipe; 21. scraping the plate; 22. a limiting rod; 23. an illuminating lamp; 24. a sewage draining outlet.

Detailed Description

The present invention will be described in further detail with reference to the accompanying drawings. In which like parts are designated by like reference numerals. It should be noted that the terms "front," "back," "left," "right," "upper" and "lower" used in the following description refer to directions in the drawings, and the terms "bottom" and "top," "inner" and "outer" refer to directions toward and away from, respectively, the geometric center of a particular component.

Referring to fig. 1, the utility model discloses a sewage tank, including cell body 1, the horizontal cross-section of cell body 1 is the rectangle. The filter 2 is fixedly arranged on the inner wall of the tank body 1, and a plurality of filter holes are formed in the filter 2. The peripheral side wall of the filter plate 2 is fixedly connected with the peripheral side wall in the tank body 1. The lateral wall of the tank body 1 is provided with a waste discharge port communicated with the outside, and one side of the filter plate 2 is communicated with the waste discharge port. The filter plate 2 is inclined upwards from one side of the communicated waste discharge port to one side far away from the waste discharge port.

Referring to fig. 1, be provided with waste discharging plate 3 on the lateral wall that waste discharging port was seted up to cell body 1, waste discharging plate 3's appearance is the cuboid, and waste discharging plate 3 length direction's lateral wall and cell body 1 are close to waste discharging port's lateral wall and pass through hinge 4 and articulate. The waste discharge plate 3 is inserted into the waste discharge port to block the waste discharge port. A water inlet pipe 19 is fixedly arranged on the tank body 1, the water inlet pipe 19 is communicated with the inside of the tank body 1, and the water inlet pipe 19 is positioned above the waste discharge plate 3.

Referring to fig. 1, a pushing plate 6 is slidably disposed on the filter plate 2, and the pushing plate 6 abuts against the filter plate 2. The side wall of the tank body 1 far away from the waste discharge plate 3 is fixedly provided with a cylinder 7, and a piston rod of the cylinder 7 penetrates through the side wall of the tank body 1 and is fixedly connected with a push plate 6. The air cylinder 7 drives the pushing plate 6 to move from the side far away from the waste discharge plate 3 to the waste discharge plate 3.

Referring to fig. 2 and 3, a fixing block 10 is fixedly arranged on the side wall of the tank body 1, and an installation groove is formed on the fixing block 10. The fixed block 10 contains the lateral wall and the cell body 1 fixed connection of mounting groove. The outer side wall of the tank body 1 and the mounting groove form a closed fixing cavity 11. Two opposite side walls of the fixed block 10 are respectively provided with a through hole communicated with the fixed cavity 11, and the connecting lines of the through holes on the two side walls are horizontally arranged. The lateral wall of the pool body 1 is positioned at one side of the waste discharge plate 3 far away from the hinge 4, the waste discharge plate 3 is fixed in the waste discharge port of the pool body 1 through the locking piece 8, and the locking piece 8 comprises a locking rod 81 and a locking block 82. The locking bar 81 passes through the two through holes of the fixed block 10, and the locking bar 81 is slidably coupled with the fixed block 10. The locking rod 81 is fixedly provided with a propping sheet 12, and the propping sheet 12 is arranged in the fixed cavity 11 in a sliding manner. One end of the locking lever 81 is fixedly provided with a pulling piece 13. One side of the locking block 82 is fixedly connected with the waste discharge plate 3, and the other side extends outwards; and the side of the locking block 82 remote from the discard plate 3 is located on the side of the locking lever 81 remote from the pull tab 13. The locking block 82 is provided with a locking hole on the side wall facing the locking rod 81, and the locking rod 81 is inserted in the locking hole. The locking rod 81 is sleeved with a return spring 14, and the return spring 14 is positioned in the fixing cavity 11. One end of the return spring 14 abuts against the abutting sheet 12, and the other end abuts against the inner side wall of the fixing cavity 11 far away from the locking block 82. When the abutting sheet 12 abuts against the inner side wall of the fixed cavity 11 close to the locking block 82, the locking rod 81 is inserted into the locking hole.

Referring to fig. 4, a sewage draining exit 24 is arranged on the side wall of the tank body 1 far away from the waste discharge plate 3, and the vertical height of the sewage draining exit 24 is lower than that of the waste discharge port. A blocking plate 15 is installed on the waste discharging port through a positioning piece 9, the blocking plate 15 is used for blocking the sewage discharging port 24, and the blocking plate 15 is inserted into the sewage discharging port 24. The positioning member 9 includes a positioning piece 91 and a positioning bolt 92. One side of the positioning piece 91 is fixedly connected with the blocking plate 15, and the other side extends outwards and is positioned on one side of the outer side wall of the tank body 1. A through hole for the positioning bolt 92 to pass through is formed in the positioning plate 91, and the positioning bolt 92 passes through the through hole in the positioning plate 91 and is in threaded connection with the outer side wall of the tank body 1. The head of the positioning bolt 92 abuts against the positioning piece 91. The blocking plate 15 is provided with four same positioning parts 9, and the upper side and the lower side of the blocking plate 15 are respectively provided with two positioning parts. Fixed cover is equipped with rubber circle 16 on the week lateral wall of barrier plate 15, offer on the interior circumference lateral wall of drain 24 with 16 lateral wall complex ring channel 17 of rubber circle, when need install barrier plate 15, the direction towards cell body 1 promotes barrier plate 15 to make rubber circle 16 take place elastic deformation, finally make 16 joints of rubber circle in ring channel 17 in order to improve the leakproofness between barrier plate 15 and the cell body 1.

Referring to fig. 4, an observation window 18 is arranged on the side wall of the tank body 1 far away from the waste discharge plate 3, and the observation window 18 is made of transparent toughened glass. A drain pipe 20 is fixedly arranged on the tank body 1, the drain pipe 20 is communicated with the inside of the tank body 1, and the connecting part of the drain pipe 20 and the tank body 1 is arranged between the observation window 18 and the baffle plate 15.

Referring to fig. 1 and 5, a scraping plate 21 is slidably arranged on the bottom side wall inside the tank body 1, and the bottom wall of the scraping plate 21 is abutted against the bottom wall of the tank body 1; the scraping plate 21 slides in a direction close to the blocking plate 15 and away from the blocking plate 15. The cell body 1 is provided with a driving part 5 for driving the scraping plate 21 to slide, the driving part 5 comprises a driving screw 51 and a driving motor 52, and the driving motor 52 is a servo motor. The driving screw 51 is rotatably arranged inside the tank body 1 through a bearing, the axial direction of the driving screw 51 is vertical to the length direction of the sewage draining exit 24, and the driving screw 51 is horizontally arranged. One end of the driving screw 51 far away from the blocking plate 15 penetrates through the side wall of the tank body 1 and is positioned outside the tank body 1. The driving motor 52 is fixedly installed on the outer side wall of the pool body 1 far away from the blocking plate 15, and an output shaft of the driving motor 52 is fixedly connected with the end part of the driving screw 51 far away from the blocking plate 15 so as to drive the driving screw 51 to rotate; the drive motor 52 is in electrical communication with an external power source. A limiting rod 22 is fixedly arranged on one side of the interior of the tank body 1, which is far away from the driving screw 51, and the limiting rod 22 is parallel to the driving screw 51. The scraping plate 21 is in threaded connection with the driving screw 51, and the limiting rod 22 is connected in a sliding manner. Fixedly connected with light 23 on the inside wall of cell body 1, LED fluorescent tube is chooseed for use to light 23 is connected with the power (not shown in the figure) electricity of outside.

The implementation principle is as follows:

during operation, sewage from inlet tube 19 entering cell body 1 in, sewage flows to the bottom of the pool from filter 2, after the sewage in cell body 1 subsides that stews, opens drain pipe 20 for sewage is discharged from drain pipe 20.

When the garbage on the filter plate 2 is attached to a large amount, the water inlet at the water inlet pipe 19 is stopped. Then the cylinder 7 is started, the cylinder 7 drives the pushing plate 6 to slide towards the direction of the waste discharge plate 3, and the pushing plate 6 pushes the garbage on the filter plate 2 to the waste discharge plate 3 in the sliding process. Then, the worker pulls the pulling piece 13 in a direction back to the locking block 82, and drives the abutting piece 12 to compress the return spring 14, so that the locking rod 81 is separated from the locking hole. Then the staff pulls the latch segment 82, drives and arranges useless board 3 and the mouth of wasting discharge and break away from to conveniently clear up the rubbish on the filter 2 from the mouth of wasting discharge.

The staff sees through the condition of observation window 18 observation cell body 1 bottom, and when the visibility of effluent water is lower in the effluent water sump, turns on light 23. When the sludge at the bottom of the tank body 1 is more, the water inlet pipe 19 stops feeding water, and the water in the tank body 1 is completely discharged through the water discharge pipe 20. Then, the driving motor 52 is started to drive the driving screw 51 to rotate, and the scraping plate 21 is driven to move towards the direction of the blocking plate 15 along with the rotation of the driving screw 51; the sludge at the bottom of the tank body 1 is scraped in the moving process of the scraping plate 21. When needs are with mud discharge, twist positioning bolt 92 for positioning bolt 92 breaks away from with cell body 1, then staff draws spacer 91, makes rubber circle 16 take place elastic deformation, after being extrudeed, breaks away from in the ring channel 17, finally pulls down barrier plate 15 from drain 24, thereby conveniently discharges mud from drain 24. When the blocking plate 15 needs to be installed at the sewage draining outlet 24, the blocking plate 15 is aligned to the sewage draining outlet 24, and then the blocking plate 15 is pressed forcibly, so that the rubber ring 16 is elastically deformed, and finally the rubber ring 16 is clamped in the annular groove 17. The positioning bolt 92 is then screwed to the tank body 1, thereby fixing the blocking plate 15 to the tank body 1.

It is above only the utility model discloses a preferred embodiment, the utility model discloses a scope of protection does not only confine above-mentioned embodiment, the all belongs to the utility model discloses a technical scheme under the thinking all belongs to the utility model discloses a scope of protection. It should be noted that, for those skilled in the art, various modifications and decorations can be made without departing from the principle of the present invention, and these modifications and decorations should also be regarded as the protection scope of the present invention.

Claims

1. A sewage tank comprises a tank body (1), wherein a filter plate (2) is arranged in the tank body (1), a plurality of filter holes are formed in the filter plate (2), a water inlet pipe (19) and a water outlet pipe (20) are arranged on the tank body (1), and the water inlet pipe (19) and the water outlet pipe (20) are respectively positioned on two sides of the filter plate (2); the drain pipe (20) is arranged on one side of the filter plate (2) close to the bottom of the pool; the method is characterized in that: a scraping plate (21) is slidably arranged on the bottom wall of the tank body (1), and a sewage outlet (24) is formed in the side wall of the tank body (1); a driving piece (5) for driving the scraping plate (21) to slide towards the sewage draining exit (24) is arranged on the tank body (1); the drain pipe (20) is positioned at one side of the sewage draining outlet (24) close to the filter plate (2); a blocking plate (15) is detachably arranged on the sewage draining outlet (24) through a positioning piece (9).

2. The lagoon of claim 1, further comprising: the driving piece (5) comprises a driving lead screw (51) rotatably arranged on the tank body (1) and a driving motor (52) fixedly arranged on the outer side wall of the tank body (1), and a limiting rod (22) is arranged in the tank body (1); the scraping plate (21) is in threaded connection with the driving lead screw (51); the scraping plate (21) is tightly propped against the bottom wall of the tank body (1), and the scraping plate (21) is connected with the limiting rod (22) in a sliding manner; one end of the driving screw rod (51) penetrates out of the tank body (1) and is connected with the driving motor (52).

3. The lagoon of claim 1, further comprising: a waste discharge port is formed in the side wall of the tank body (1), and the filter plate (2) is obliquely and upwards arranged from one side close to the waste discharge port to the other side; the waste discharge port is movably provided with a waste discharge plate (3) through a locking piece (8).

4. The lagoon of claim 3, characterized in that: arrange one side of useless board (3) with cell body (1) is articulated, retaining member (8) including along the horizontal direction slide set up in check lock lever (81) of cell body (1) lateral wall and fixed set up in check lock (82) on arranging useless board (3), seted up on check lock (82) and supplied check lock hole that check lock lever (81) were pegged graft, check lock lever (81) peg graft in the check lock hole.

5. The lagoon of claim 4, characterized in that: a fixing block (10) is fixedly arranged on the outer side wall of the pool body (1), a fixing cavity (11) is formed in the fixing block (10), through holes communicated with the fixing cavity (11) are formed in two opposite sides of the fixing block (10) in the horizontal direction, and the locking rod (81) penetrates through the two through holes in the fixing block (10); the locking rod (81) is fixedly provided with a propping sheet (12), and the propping sheet (12) is arranged in the fixed cavity (11) in a sliding manner; the locking rod (81) is sleeved with a return spring (14); one end of the return spring (14) is tightly abutted against the side wall, away from the locking block (82), of the abutting sheet (12), and the other end of the return spring is tightly abutted against the inner cavity wall, away from the locking block (82), of the fixed cavity (11); when the abutting sheet (12) abuts against the fixed cavity (11) and is close to the inner cavity wall on one side of the locking block (82), the locking rod (81) is inserted into the locking hole.

6. The lagoon of claim 1, further comprising: the blocking plate (15) is inserted into the sewage draining outlet (24), the positioning piece (9) is fixedly arranged on a positioning piece (91) on the blocking plate (15) and a positioning bolt (92) arranged on the positioning piece (91) in a penetrating mode, and the positioning bolt (92) is in threaded connection with the outer side wall of the tank body (1).

7. The lagoon of claim 6, characterized in that: the fixed cover of periphery lateral wall of barrier plate (15) is equipped with rubber circle (16), seted up on the interior circumference lateral wall of drain (24) with rubber circle (16) complex ring channel (17), rubber circle (16) joint in ring channel (17).

8. The lagoon of claim 1, further comprising: be provided with observation window (18) on cell body (1), observation window (18) are located filter (2) are close to one side of cell body (1) bottom.

9. The lagoon of claim 8, further comprising: an illuminating lamp (23) is arranged on the inner wall of the tank body (1); the illuminating lamp (23) is electrically connected with an external power supply.

10. The lagoon of claim 1, further comprising: a pushing plate (6) is slidably arranged on the filter plate (2), an air cylinder (7) is fixedly arranged on the tank body (1), and a piston rod of the air cylinder (7) is fixedly connected with the pushing plate (6); the pushing plate (6) is abutted against the filter plate (2).