CN217829146U

CN217829146U - Sewage solid filtering equipment

Info

Publication number: CN217829146U
Application number: CN202221829150.XU
Authority: CN
Inventors: 蔡根法; 蔡根芳
Original assignee: Huzhou Bensen Environmental Protection Technology Co ltd
Current assignee: Huzhou Bensen Environmental Protection Technology Co ltd
Priority date: 2022-07-15
Filing date: 2022-07-15
Publication date: 2022-11-18
Anticipated expiration: 2032-07-15

Abstract

The invention belongs to the technical field of sewage treatment, in particular to sewage solid filtering equipment, which aims at solving the problem that the existing filtered sludge impurities contain a large amount of water, so that the combustion efficiency of the sludge impurities is lower when incineration treatment is carried out at a later stage.

Description

Sewage solid filtering equipment

Technical Field

The invention relates to the technical field of sewage treatment, in particular to sewage solid matter filtering equipment.

Background

Sewage treatment is a process of purifying sewage to meet the requirement of discharging the sewage into a certain water body or reusing the sewage, is widely applied to various fields such as buildings, agriculture, traffic, energy, petrifaction, environmental protection, urban landscapes, medical treatment, catering and the like, and increasingly enters the daily life of common people.

After sewage is filtered, generally filtered sludge impurities contain a large amount of moisture, so that the combustion efficiency of the sludge impurities is low when incineration treatment is carried out in the later period, and therefore, a sewage solid matter filtering device is provided for solving the problems.

Disclosure of Invention

Based on the technical problem that a large amount of moisture can be contained in filtered sludge impurities in the background technology, and the combustion efficiency of the sludge impurities is often low in the later incineration treatment, the invention provides a sewage solid filtering device.

The invention provides sewage solid filtering equipment which comprises a treatment box, wherein a converging box is fixedly installed on the inner wall of the bottom of the treatment box, a first conical cover and a second conical cover are fixedly installed on the inner wall of the top of the converging box respectively, the top of the first conical cover and the top of the second conical cover both extend into the treatment box and are fixedly connected with the inner wall of the treatment box, a net barrel is connected in the first conical cover in a rotating mode, a driving motor is fixedly installed on the front side of the treatment box, an output shaft of the driving motor extends into the first conical cover and is fixedly connected with the front side of the net barrel, a transmission assembly is installed on the rear side of the net barrel, the rear side of the transmission assembly extends to the rear side of the treatment box and is connected with the rear side of the treatment box, a filter pressing assembly is fixedly installed on the top of the second conical cover, the right side of the filter pressing assembly extends to the right side of the treatment box and is connected with a driving assembly, the driving assembly is connected with the driving assembly, a water pump is fixedly installed on the inner wall of the top of the left side of the treatment box, and a water pump extends to the bottom of the converging box.

Borrow by above-mentioned structure, can start driving motor and drive the net bucket and rotate, can realize filtering mud this moment, and the transmission of usable transmission assembly and drive assembly, can transmit the revolving force of net bucket to the filter-pressing subassembly on, make the filter-pressing subassembly operate, so can suppress the filtration to the mud of filtering off, but with this greatly reduced filters the mud water content of crossing, make when carrying out sludge incineration disposal in the later stage, can promote combustion efficiency greatly, so can conveniently handle mud.

Preferably, the fixed mounting has the mounting bracket that is the slope setting in the meeting mould assembling, it is equipped with the filter plate to slide in the mounting bracket, the card hole has been seted up on the front side inner wall of meeting mould assembling, the front side of filter plate extends in the card hole and blocks the dress mutually with the inner wall in card hole.

Furthermore, when water after filtration is taken out by the water pump, usable filter plate carries out the secondary and filters to this can be when sewage is taken out and is transported, can reduce the content of impurity.

Preferably, the discharge hole has been seted up on the right side top inner wall of first conical cover, and discharge downthehole fixed mounting of hole has the scraper blade that is the slope and sets up, the left side of scraper blade extends to in the first conical cover and contacts with the net bucket, the right side of scraper blade extends to the right side of first conical cover and corresponding with the filter pressing subassembly.

Further, utilize the scraper blade to scrape the net bucket, can transport mud to the filter-pressing subassembly when this utilizes the net bucket to filter sewage on, the convenience is dewatered mud.

Preferably, transmission assembly includes drive shaft, second worm, mounting panel, pivot, second worm wheel, first worm and first worm wheel, drive shaft fixed mounting is on the rear side central point of net bucket puts, the rear end of drive shaft extends to the rear side of handling the case, the fixed cover of second worm is established in the drive shaft, mounting panel fixed mounting is at the rear side of handling the case, the pivot runs through the mounting panel and rotates with the mounting panel to be connected, second worm wheel fixed mounting is in the bottom of pivot, the second worm meshes with the second worm wheel mutually, first worm fixed mounting is on the top of pivot, first worm wheel is connected with drive assembly, first worm meshes with first worm wheel mutually.

Further, through the transmission subassembly, can rotate the back at the net bucket, can transmit the turning force, alright make drive assembly operate to this can conveniently drive the filter pressing subassembly.

Preferably, drive assembly includes backup pad, carousel, transmission shaft and flexible component, backup pad fixed mounting is at the top of handling the case, the transmission shaft runs through the backup pad and rotates with the backup pad to be connected, carousel fixed mounting is at the front end of transmission shaft, and the fixed cover of first worm wheel is established on the rear end of transmission shaft, the top of flexible component is rotated and is connected on the front side eccentric position of carousel, the bottom of flexible component is connected with the filter-pressing subassembly.

Furthermore, after the transmission shaft receives the power of the transmission assembly, the transmission shaft can drive the turntable to rotate, and at the moment, the filter pressing assembly can be driven to transversely reciprocate through the transmission of the telescopic component.

Preferably, the telescopic component comprises an L-shaped rod and a connecting cover, the connecting cover is connected with the filter pressing assembly, the top end of the L-shaped rod is rotatably connected with the eccentric position of the front side of the rotary table, and the bottom end of the L-shaped rod extends into the connecting cover and is in sliding connection with the inner wall of the connecting cover.

Furthermore, the L-shaped rod moves circularly along with the turntable, so that the filter pressing assembly can be driven to operate under the sliding fit with the connecting cover.

Preferably, the filter pressing assembly comprises a filtering component, a pressing plate and a supporting component, the filtering component is installed at the top of the second conical cover, the pressing plate is located in the filtering component and connected with the filtering component, the supporting component is installed on the right side of the pressing plate, the right side of the supporting component extends to the right side of the treatment box, and the supporting component is connected with the connecting cover.

Furthermore, after the supporting member is connected with the connecting cover for transmission, the power of the connecting cover can be transmitted to the pressing plate, so that the pressing plate can transversely reciprocate.

Preferably, the filtering member comprises a fixing frame and a screen plate, the fixing frame is fixedly installed at the top of the second conical cover, the screen plate is fixedly installed in the fixing frame, and the pressing plate is located in the fixing frame and is in sliding connection with the inner wall of the fixing frame.

Further, utilize the filter component, can filter out water when extrudeing mud to can avoid mud to drop to in the meeting case.

Preferably, the supporting member includes buffer beam and carriage release lever, carriage release lever fixed mounting is in the bottom of connecting the cover, the left end of carriage release lever extends to in the mount, the spout has been seted up to the left end of carriage release lever, buffer beam fixed mounting is on the right side of clamp plate, the right-hand member of buffer beam extend to in the spout and with the inner wall sliding connection of spout.

Further, set up carriage release lever and buffer lever, can realize buffering the support to the clamp plate to this can be when the board carries out the filter-pressing to mud, can avoid the pressure of clamp plate too big.

Preferably, the right end of the moving rod is fixedly provided with a compression spring, and the right end of the compression spring is fixedly connected with the inner wall of the right side of the sliding groove.

Furthermore, utilize compression spring can carry out elastic support to the clamp plate for the clamp plate can avoid extrusion filtration to cause the too big problem that causes the damage of mount atress when carrying out the filter-pressing to mud.

The invention has the beneficial effects that:

1. according to the invention, sewage containing sludge can be injected into the first conical cover through the feed hopper, the sludge can be filtered out under the filtering action of the mesh barrel, the drive motor can be started to drive the mesh barrel to rotate, the sludge can move downwards to the scraper under the rubbing action of the scraper, and then the sludge can enter the fixed frame and fall on the screen plate under the drainage action of the scraper, and the filtered sewage can flow into the convergence box through the first conical cover to complete primary filtering;

2. according to the invention, when the net barrel rotates, the second worm can be driven by the driving shaft to rotate, at the moment, under the meshing transmission action of the second worm wheel, the rotating shaft can rotate, namely, under the meshing transmission action of the first worm and the first worm wheel, the driving shaft can be driven to rotate, the L-shaped rod can be driven to do annular motion through the turntable, when the L-shaped rod does the annular motion, the movable rod can do transverse reciprocating motion under the sliding fit with the connecting cover, so that the pressing plate can do the transverse reciprocating motion in the fixing frame, at the moment, when the pressing plate does the transverse reciprocating motion, the sludge can be pressed, moisture in the sludge can be extruded out, and the moisture in the sludge flows into the combining box through the second conical cover, so that the water content in the sludge can be reduced.

The sludge filter press is reasonable in structure, can filter sludge after the sludge is filtered, can greatly reduce the water content in the sludge, can filter out more water, and can effectively improve the sludge combustion efficiency when the sludge is incinerated in the later period, so that the sludge filter press has good practicability.

Drawings

FIG. 1 is a front sectional view of a sewage solids filtering apparatus according to the present invention;

FIG. 2 is a rear view of a structure of a sewage solids filtering apparatus according to the present invention;

FIG. 3 is a sectional view showing a structure of a sewage solid filtering apparatus according to the present invention;

FIG. 4 is a schematic structural view of part A of FIG. 1 of a sewage solids filtering apparatus according to the present invention;

FIG. 5 is a front view of a connecting structure of a moving rod, a compression spring and a buffer rod of the sewage solid filtering apparatus according to the present invention;

FIG. 6 is a three-dimensional view of a connection structure of a turntable, an L-shaped rod, a connection cover, a moving rod and a pressing plate of the sewage solid filtering device according to the present invention;

fig. 7 is a front view of the inner structure of a convergence box of a sewage solid filtering device according to the present invention.

In the figure: 1. a treatment box; 2. the box can be closed; 3. filtering a plate; 4. a water pump; 5. a first conical cover; 6. a net barrel; 7. a feed hopper; 8. a fixed mount; 9. a screen plate; 10. pressing a plate; 11. a travel bar; 12. a connecting cover; 13. an L-shaped rod; 14. a second conical cover; 15. a turntable; 16. a discharge hole; 17. a squeegee; 18. a support plate; 19. a drive shaft; 20. a first worm gear; 21. mounting a plate; 22. a rotating shaft; 23. a first worm; 24. a compression spring; 25. a drive shaft; 26. a second worm; 27. a second worm gear; 28. a drive motor; 29. a mounting frame; 30. a buffer rod.

Detailed Description

The present invention will be further illustrated with reference to the following specific examples.

Referring to fig. 1 to 7, the present embodiment provides a sewage solid filtering apparatus, including a treatment tank 1, a meeting tank 2 is fixedly installed on the inner wall of the bottom of the treatment tank 1, a first conical cover 5 and a second conical cover 14 are respectively fixedly installed on the inner wall of the top of the meeting tank 2, the top of the first conical cover 5 and the top of the second conical cover 14 both extend into the treatment tank 1 and are fixedly connected with the inner wall of the treatment tank 1, a mesh drum 6 is rotatably connected in the first conical cover 5, a driving motor 28 is fixedly installed on the front side of the treatment tank 1, an output shaft of the driving motor 28 extends into the first conical cover 5 and is fixedly connected with the front side of the mesh drum 6, a transmission assembly is installed on the rear side of the mesh drum 6, the rear side of the transmission assembly extends to the rear side of the treatment tank 1 and is connected with the rear side of the treatment tank 1, a filter-press assembly is fixedly installed on the top of the second conical cover 14, the right side of the transmission assembly extends to the right side of the treatment tank 1 and is connected with a driving assembly, the driving assembly is connected with the transmission assembly, a feed hopper 7 is fixedly installed on the inner wall of the top of the inner wall of the left side of the treatment tank 1, and a water pump 4 extends to the bottom of the meeting tank 1.

Borrow by above-mentioned structure, can start driving motor 28 and drive net bucket 6 and rotate, can realize filtering mud this moment, and the transmission of usable transmission assembly and drive assembly, can transmit the revolving force of net bucket 6 to the filter-pressing subassembly on, make the filter-pressing subassembly operate, so can suppress the filtration to the mud of filtering off, but with this greatly reduced filtration off the mud water content of crossing, make when carrying out sludge incineration disposal in the later stage, can promote combustion efficiency greatly, so can conveniently handle mud.

In this embodiment, as shown in fig. 7, an inclined mounting frame 29 is fixedly mounted in the junction box 2, the filter plate 3 is slidably disposed in the mounting frame 29, a clamping hole is formed in the inner wall of the front side of the junction box 2, and the front side of the filter plate 3 extends into the clamping hole and is clamped with the inner wall of the clamping hole.

When the water after filtration is taken out by the water pump 4, the filter plate 3 can be used for secondary filtration, so that the content of impurities can be reduced when the sewage is taken out for transportation.

In this embodiment, as shown in fig. 4, a discharge hole 16 is formed in the inner wall of the top of the right side of the first conical cover 5, a scraper 17 is fixedly installed in the discharge hole 16 and is obliquely arranged, the left side of the scraper 17 extends into the first conical cover 5 and contacts with the screen barrel 6, and the right side of the scraper 17 extends to the right side of the first conical cover 5 and corresponds to the filter pressing assembly.

Utilize scraper blade 17 to scrape and rub dictyosome 6 to this can be when utilizing dictyosome 6 to filter sewage, can transport sludge to the filter-pressing subassembly on, the convenience dewaters mud.

In this embodiment, as shown in fig. 2, the transmission assembly includes a driving shaft 25, a second worm 26, a mounting plate 21, a rotating shaft 22, a second worm wheel 27, a first worm 23 and a first worm wheel 20, the driving shaft 25 is fixedly mounted at the center of the rear side of the mesh barrel 6, the rear end of the driving shaft 25 extends to the rear side of the treatment tank 1, the second worm 26 is fixedly sleeved on the driving shaft 25, the mounting plate 21 is fixedly mounted at the rear side of the treatment tank 1, the rotating shaft 22 penetrates through the mounting plate 21 and is rotatably connected with the mounting plate 21, the second worm wheel 27 is fixedly mounted at the bottom end of the rotating shaft 22, the second worm 26 is engaged with the second worm wheel 27, the first worm 23 is fixedly mounted at the top end of the rotating shaft 22, the first worm wheel 20 is connected with the driving assembly, and the first worm 23 is engaged with the first worm wheel 20.

Through the transmission assembly, can rotate the back at net bucket 6, can transmit the turning force, alright make drive assembly operate to this can conveniently drive the filter pressing assembly.

In this embodiment, as shown in fig. 1, the driving assembly includes a supporting plate 18, a rotating plate 15, a transmission shaft 19 and a telescopic member, the supporting plate 18 is fixedly installed at the top of the treatment box 1, the transmission shaft 19 penetrates through the supporting plate 18 and is rotatably connected with the supporting plate 18, the rotating plate 15 is fixedly installed at the front end of the transmission shaft 19, a first worm wheel 20 is fixedly sleeved on the rear end of the transmission shaft 19, the top end of the telescopic member is rotatably connected to the front eccentric position of the rotating plate 15, and the bottom end of the telescopic member is connected with the filter pressing assembly.

After the transmission shaft 19 receives the power of the transmission assembly, the rotary table 15 can be driven to rotate, and at the moment, the filter pressing assembly can be driven to transversely reciprocate through the transmission of the telescopic component.

In this embodiment, as shown in fig. 1, the telescopic member comprises an L-shaped rod 13 and a connecting cover 12, the connecting cover 12 is connected to the press filter assembly, the top end of the L-shaped rod 13 is rotatably connected to the eccentric position of the front side of the rotary table 15, and the bottom end of the L-shaped rod 13 extends into the connecting cover 12 and is slidably connected to the inner wall of the connecting cover 12.

The L-shaped rod 13 moves circularly along with the rotary disc 15, so that the filter pressing assembly can be driven to operate under the sliding fit with the connecting cover 12.

In this embodiment, the press assembly comprises a filter member mounted on top of the second conical shroud 14, a pressure plate 10 located within the filter member and connected to the filter member, and a support member mounted to the right side of the pressure plate 10, the right side of the support member extending to the right side of the treatment chamber 1, the support member being connected to the connecting shroud 12.

After the support member is in connection transmission with the connection cover 12, the power of the connection cover 12 can be transmitted to the pressing plate 10, so that the pressing plate 10 can be transversely reciprocated.

In this embodiment, as shown in fig. 1, the filtering member includes a fixing frame 8 and a screen 9, the fixing frame 8 is fixedly installed on the top of the second conical cover 14, the screen 9 is fixedly installed in the fixing frame 8, and the pressing plate 10 is located in the fixing frame 8 and slidably connected to the inner wall of the fixing frame 8.

By using the filtering member, water can be filtered out when the sludge is squeezed, and the sludge can be prevented from falling into the convergence box 2.

In this embodiment, as shown in fig. 5, the supporting member includes a buffer rod 30 and a moving rod 11, the moving rod 11 is fixedly installed at the bottom of the connecting cover 12, the left end of the moving rod 11 extends into the fixing frame 8, the left end of the moving rod 11 is provided with a sliding groove, the buffer rod 30 is fixedly installed at the right side of the pressing plate 10, and the right end of the buffer rod 30 extends into the sliding groove and is slidably connected with the inner wall of the sliding groove.

The movable rod 11 and the buffer rod 30 are arranged, so that the pressure plate 10 can be buffered and supported, and the pressure of the pressure plate 10 can be prevented from being too high when the pressure plate 10 filters sludge.

In this embodiment, as shown in fig. 5, a compression spring 24 is fixedly mounted at the right end of the moving rod 11, and the right end of the compression spring 24 is fixedly connected with the right inner wall of the sliding chute.

Utilize compression spring 24 can carry out elastic support to clamp plate 10 for clamp plate 10 can avoid extrusion filtration to cause the problem that mount 8 atress is too big to cause the damage when carrying out the filter-pressing to mud.

In this embodiment, sewage containing sludge can be injected into the first conical cover 5 through the feed hopper 7, at this time, under the filtering action of the mesh bucket 6, sludge can be filtered out, meanwhile, the drive motor 28 can be started to drive the mesh bucket 6 to rotate, at this time, sludge can be scraped and rubbed down by the scraper 17 to move up the scraper 17, and then, under the drainage of the scraper 17, sludge can enter the fixing frame 8 and fall on the mesh plate 9, and the filtered sewage can flow into the combining box 2 through the first conical cover 5, so that preliminary filtering is completed.

When the net barrel 6 rotates, the second worm 26 can be driven to rotate by the driving shaft 25, at this time, under the meshing transmission effect of the second worm wheel 27, the rotating shaft 22 can rotate, that is, under the meshing transmission effect of the first worm 23 and the first worm wheel 20, the driving shaft 19 can be driven to rotate, the L-shaped rod 13 can be driven to perform annular motion by the turntable 15, when the L-shaped rod 13 performs annular motion, the moving rod 11 can perform transverse reciprocating motion under the sliding fit with the connecting cover 12, so that the pressing plate 10 can perform transverse reciprocating motion in the fixing frame 8, at this time, when the pressing plate 10 performs transverse reciprocating motion, sludge can be pressed, moisture in the sludge can be extruded, and the sludge flows into the combining box 2 by the second conical cover 14, so that the water content in the sludge can be reduced, when the sludge is incinerated in a later stage, the sludge combustion efficiency can be effectively improved, and therefore, the net barrel has good practicability.

The above description is only for the preferred embodiment of the present invention, but the scope of the present invention is not limited thereto, and any person skilled in the art should be considered to be within the technical scope of the present invention, and the technical solutions and the inventive concepts thereof according to the present invention should be equivalent or changed within the scope of the present invention.

Claims

1. The utility model provides a sewage solid-state thing filtration equipment, is including handling case (1), its characterized in that, fixed mounting has meeting mould (2) on the bottom inner wall of handling case (1), the top inner wall that can close case (2) fixed mounting respectively has first toper cover (5) and second toper cover (14), the top of first toper cover (5) and the top of second toper cover (14) all extend to in handling case (1) and all with the inner wall fixed connection who handles case (1), first toper cover (5) internal rotation is connected with net bucket (6), the front side fixed mounting who handles case (1) has driving motor (28), the output shaft of driving motor (28) extends to in first toper cover (5) and is connected with the front side fixed connection of net bucket (6), the transmission subassembly is installed to the rear side of net bucket (6), the rear side of transmission subassembly extends to the rear side of handling case (1) and is connected with the rear side of handling case (1), the top fixed mounting of top of installing of transmission subassembly has the transmission subassembly to the left side of second toper cover (14) and handles the filter-pressing assembly (1), the left side of filter-pressing assembly (7) is connected with the left side of handling case (1), the filter pressing assembly (7) is connected with the left side of handling case (1), the left side of filter pressing assembly (7) is connected with the left side of handling case (1), and the water suction end of the water pump (4) extends into the joint box (2).

2. The sewage solid filtering device according to claim 1, wherein a mounting frame (29) which is obliquely arranged is fixedly mounted in the combining box (2), a filter plate (3) is slidably arranged in the mounting frame (29), a clamping hole is formed in the inner wall of the front side of the combining box (2), and the front side of the filter plate (3) extends into the clamping hole and is clamped with the inner wall of the clamping hole.

3. The sewage solid filtering apparatus according to claim 1, wherein a discharge hole (16) is formed in the inner wall of the top of the right side of the first conical cover (5), a scraper (17) is fixedly installed in the discharge hole (16) and is obliquely arranged, the left side of the scraper (17) extends into the first conical cover (5) and is in contact with the screen barrel (6), and the right side of the scraper (17) extends into the right side of the first conical cover (5) and corresponds to the filter pressing assembly.

4. The sewage solid filtering apparatus according to claim 1, wherein the transmission assembly comprises a driving shaft (25), a second worm (26), a mounting plate (21), a rotating shaft (22), a second worm wheel (27), a first worm (23) and a first worm wheel (20), the driving shaft (25) is fixedly installed at a rear central position of the net barrel (6), a rear end of the driving shaft (25) extends to a rear side of the treatment tank (1), the second worm (26) is fixedly installed on the driving shaft (25), the mounting plate (21) is fixedly installed at a rear side of the treatment tank (1), the rotating shaft (22) penetrates through the mounting plate (21) and is rotatably connected with the mounting plate (21), the second worm wheel (27) is fixedly installed at a bottom end of the rotating shaft (22), the second worm (26) is engaged with the second worm wheel (27), the first worm (23) is fixedly installed at a top end of the rotating shaft (22), the first worm wheel (20) is connected with the driving assembly, and the first worm (23) is engaged with the first worm wheel (20).

5. The sewage solid filtering device according to claim 1, wherein the driving assembly comprises a supporting plate (18), a turntable (15), a transmission shaft (19) and a telescopic member, the supporting plate (18) is fixedly installed at the top of the treatment tank (1), the transmission shaft (19) penetrates through the supporting plate (18) and is rotatably connected with the supporting plate (18), the turntable (15) is fixedly installed at the front end of the transmission shaft (19), a first worm gear (20) is fixedly sleeved on the rear end of the transmission shaft (19), the top end of the telescopic member is rotatably connected to the front eccentric position of the turntable (15), and the bottom end of the telescopic member is connected with the filter pressing assembly.

6. The sewage solid filtering apparatus according to claim 5, wherein the telescopic member comprises an L-shaped rod (13) and a connecting cover (12), the connecting cover (12) is connected with the filter pressing assembly, the top end of the L-shaped rod (13) is rotatably connected with the eccentric position at the front side of the rotary disc (15), and the bottom end of the L-shaped rod (13) extends into the connecting cover (12) and is slidably connected with the inner wall of the connecting cover (12).

7. A sewage solids filtration apparatus according to claim 1 wherein the press assembly comprises a filter member mounted on top of a second conical shroud (14), a press plate (10) located within and connected to the filter member and a support member mounted to the right side of the press plate (10) extending to the right side of the treatment tank (1), the support member being connected to a connecting shroud (12).

8. A sewage solids filtering device according to claim 7 wherein the filtering means comprises a fixed frame (8) and a mesh panel (9), the fixed frame (8) is fixedly mounted on top of the second conical cover (14), the mesh panel (9) is fixedly mounted in the fixed frame (8), and the pressure plate (10) is located in the fixed frame (8) and slidably connected with the inner wall of the fixed frame (8).

9. The sewage solid filtering apparatus according to claim 7, wherein the supporting member comprises a buffer rod (30) and a moving rod (11), the moving rod (11) is fixedly installed at the bottom of the connecting cover (12), the left end of the moving rod (11) extends into the fixing frame (8), the left end of the moving rod (11) is provided with a sliding groove, the buffer rod (30) is fixedly installed at the right side of the pressing plate (10), and the right end of the buffer rod (30) extends into the sliding groove and is slidably connected with the inner wall of the sliding groove.

10. The sewage solid filtering apparatus according to claim 9, wherein a compression spring (24) is fixedly installed at a right end of the moving rod (11), and the right end of the compression spring (24) is fixedly connected with a right inner wall of the chute.