CN112870817B

CN112870817B - Sludge filtering device

Info

Publication number: CN112870817B
Application number: CN202110437250.1A
Authority: CN
Inventors: 李桂香
Original assignee: Guangrao Torch Productivity Promotion Center Co ltd
Current assignee: Nanjing Jinqiao Ming Technology Co.,Ltd.
Priority date: 2021-04-22
Filing date: 2021-04-22
Publication date: 2023-01-06
Anticipated expiration: 2041-04-22
Also published as: CN112870817A

Abstract

The invention relates to the technical field of sludge treatment, in particular to a sludge filtering device, which comprises a support box, wherein the bottom of the right end of the support box is fixedly connected with a bottom plate, the right part of the top end of the support box is fixedly connected with a vertical plate, the upper part of the right end of the vertical plate is fixedly connected with a top plate, the right end of the top plate is fixedly connected with a reinforcing plate, the bottom end of the reinforcing plate is fixedly connected with the top end of the bottom plate, the middle part of the bottom end of the top plate is fixedly connected with two connecting plates, the lower side of the top plate is provided with a fixed box, a filter cartridge is arranged in the fixed box, the left end of the filter cartridge is rotatably connected with the left end of the inner wall of the fixed box, the right end of the filter cartridge is rotatably connected with the right end of the inner wall of the fixed box, the circumferential outer wall of the filter cartridge is provided with a plurality of groups of material through holes, the middle part of the left end of the filter cartridge is fixedly connected with a support shaft, and the middle part of the left end of the support shaft is fixedly connected with a lengthened shaft; the device reduces large particles in the sludge, reduces the condition of blocking the pipeline, and has higher practicability.

Description

Sludge filtering device

Technical Field

The invention relates to the technical field of sludge treatment, in particular to a sludge filtering device.

Background

In various fields of human production and life, a large amount of sludge is generated, for example, in construction sites, river cleaning, road engineering and the like, the sludge contains humus and can be used as a raw material for producing methane, but the sludge often contains a large amount of solid garbage or stones, and impurities such as the stones in the sludge need to be separated and removed when the sludge is further treated.

Through retrieval, patent publication No. CN207928816U discloses a sludge filtering device, which comprises a filtering structure, and the filtered impurities are classified according to the size and the viscosity of the particles, however, in the actual use process, because the sludge contains enlarged solid particles, if the sludge is directly filtered by the filtering structure, more impurities are generated and are remained on a filtering plate, which is not beneficial to the centralized treatment of the sludge, and when massive impurities move in a pipeline, the condition of blocking the pipeline can be generated, and the practicability is lower; in addition, the existing device filters and collects sludge by means of the gravity of the sludge, and the treatment efficiency is low.

Disclosure of Invention

Technical problem to be solved

Aiming at the defects of the prior art, the invention provides the sludge filtering device which reduces large particles in sludge, reduces the condition of blocking a pipeline and has higher practicability.

(II) technical scheme

In order to achieve the purpose, the invention provides the following technical scheme: a sludge filtering device comprises a supporting box, wherein a bottom plate is fixedly connected to the bottom of the right end of the supporting box, a vertical plate is fixedly connected to the right portion of the top of the supporting box, a top plate is fixedly connected to the upper portion of the right end of the vertical plate, a reinforcing plate is fixedly connected to the right end of the top plate, the bottom end of the reinforcing plate is fixedly connected to the top end of the bottom plate, a connecting plate is fixedly connected to the middle portion of the bottom end of the top plate, two connecting plates are arranged, a fixing box is arranged on the lower side of the top plate, a filtering cylinder is arranged inside the fixing box, the left end of the filtering cylinder is rotatably connected to the left end of the inner wall of the fixing box, the right end of the filtering cylinder is rotatably connected to the right end of the inner wall of the fixing box, a plurality of groups of material through holes are formed in the outer wall of the circumference of the filtering cylinder, a supporting shaft is fixedly connected to the middle portion of the left end of the filtering cylinder, and a lengthened shaft is fixedly connected to the middle portion of the left end of the supporting shaft, the left end of the lengthened shaft penetrates through the middle part of the vertical plate from the right end of the vertical plate and extends out of the left side of the vertical plate, a transmission device is arranged in the middle of the left end of the vertical plate, the output end of the transmission device is fixedly connected with the left end of the lengthened shaft, the upper part of the right end of the fixed box is communicated with a feeding pipe, a plurality of fan-shaped push plates are fixedly connected with the inner wall of the filter cartridge, an electric push rod is arranged at the right part of the filter cartridge, the circumferential outer wall of the electric push rod is fixedly connected with the opposite ends of the fan-shaped push plates, an opening is arranged at the right end of the filter cartridge, the right end of the filter cartridge is contacted with the right end of the inner wall of the fixed box, the right end of the electric push rod penetrates through the right side wall of the fixed box from the inside of the fixed box and is rotatably connected with the middle part of the left end of the reinforcing plate, and the top end of the bottom plate is fixedly connected with a shunt pipe, the filter cartridge comprises a water distribution pipe, a filter cartridge and a filter cartridge, wherein the right end of the water distribution pipe is communicated with a sewage pump, the top end of the water distribution pipe is provided with an air cylinder, the output shaft end of the air cylinder is inserted into the water distribution pipe from the top end of the water distribution pipe, the output shaft end of the air cylinder is fixedly connected with a transverse plate, the left end of the transverse plate is fixedly connected with a plurality of material passing shafts, the bottom end of a fixed box is communicated with a plurality of material conveying pipes corresponding to the material passing shafts, the bottom end of each material conveying pipe is communicated with the top end of the water distribution pipe, the top end of each material passing shaft is inserted into the corresponding material conveying pipe from the bottom end of each material conveying pipe, a cleaning part is arranged in the filter cartridge and comprises an electric push rod, the free end of the electric push rod is fixedly connected with a mounting plate, a plurality of fan-shaped grooves are arranged in the cavity of the mounting plate, a plurality of first springs are fixedly connected to one side of the fan-shaped push plate, the other ends of the first springs are fixedly connected with the inner bottom walls of the fan-shaped grooves, a plurality of groups of annular material passing holes on the circumference of the filter cartridge are arranged in parallel along the axial direction of the filter cartridge.

Preferably, transmission includes supporting seat and connecting band, the right-hand member of supporting seat with the left end upper portion fixed connection of riser, the left end upper portion fixedly connected with keysets of supporting seat, the left end fixedly connected with vertical plate of keysets, vertical plate's left end mid-mounting has the motor, the output shaft end fixedly connected with frame axle of motor, the right-hand member of frame axle certainly vertical plate's left end passes vertical plate's bottom and with the left end bottom of supporting seat rotates to be connected, the circumference outer wall fixedly connected with action wheel of frame axle, the left end fixedly connected with from the driving wheel of extension axle, the circumference outer wall of action wheel and the circumference outer wall from the driving wheel pass through the connecting band is connected.

Preferably, the circumferential outer wall of the lengthened shaft is rotatably connected with a support sleeve, and the right end of the support sleeve is fixedly connected with the middle part of the left end of the vertical plate.

Preferably, the left part of the filter cylinder is in a contracted shape from right to left.

Preferably, a valve is arranged in the middle of the feeding pipe.

Preferably, the bottom of the right end of the fixed box is communicated with a material passing pipe, and the bottom end of the material passing pipe is communicated with a material collecting box.

Preferably, the top end of each through-flow shaft is provided with a sharp corner.

Preferably, the driving wheel and the driven wheel are chain wheels, and the connecting belt is a chain.

(III) advantageous effects

Compared with the prior art, the invention provides a sludge filtering device, which has the following beneficial effects:

1. according to the sludge filtering device, sludge is introduced into the filter cylinder through the inlet pipe, the lengthened shaft and the filter cylinder are driven to rotate through the transmission device, the sludge is filtered through the multiple groups of material through holes of the filter cylinder, and then larger impurities are left in the filter cylinder, and the larger impurities can leak out from the right side of the filter cylinder after being accumulated, and the transverse plate and the material through shaft are driven to move through the cylinder, so that the sludge in the conveying pipe is dredged, the condition that the sludge is blocked in the conveying pipe is reduced, the sludge is discharged through the sewage discharge pump, the condition that large particles in the sludge are reduced, the condition that the pipeline is blocked is reduced, and the effect of high practicability is achieved;

2. the fan-shaped push plate is driven to move towards the right side through the contraction of the electric push rod, and meanwhile, the fan-shaped push plate is adaptive to the inner diameter of the filter cartridge and slides out of the fan-shaped groove, so that the fan-shaped push plate can adapt to a contracted structure of the filter cartridge from right to left, and the fan-shaped push plate is always attached to the inner wall of the filter cartridge in the moving process of the fan-shaped push plate, so that stones are prevented from falling into the left side of the fan-shaped push plate, and the stones are pushed into the collection box along with the movement of the fan-shaped push plate towards the right side, and the stones in the filter cartridge are cleaned;

3. drive horizontal version rebound through the cylinder for the logical material axle point end inserts in the annular through-hole, when the cartridge filter was rotatory, the logical material axle continuously keeps inserting in the annular through-hole, makes and lasts the mediation to annular through-hole at cartridge filter pivoted in-process, avoids blockking.

Drawings

FIG. 1 is a schematic structural view of the present invention;

FIG. 2 is a schematic top view of the fixing box and the feed delivery pipe of the present invention;

FIG. 3 is a left side view schematic structure diagram of the filter cartridge, the sector push plate and the electric push rod of the present invention;

fig. 4 is a perspective view illustrating a filter cartridge according to the present invention.

In the figure: 1. a support box; 2. a base plate; 3. a vertical plate; 4. a top plate; 5. a reinforcing plate; 6. a connecting plate; 7. a fixed box; 8. a filter cartridge; 9. a support shaft; 10. lengthening a shaft; 11. a feed pipe; 12. a sector push plate; 13. an electric push rod; 14. a water diversion pipe; 15. a sewage pump; 16. a cylinder; 17. a transverse plate; 18. a material passing shaft; 19. a delivery pipe; 20. a supporting seat; 21. a connecting belt; 22. an adapter plate; 23. a longitudinal plate; 24. a motor; 25. a frame shaft; 26. a driving wheel; 27. a driven wheel; 28. a support sleeve; 29. a valve; 30. a material pipe is led in; 31. a material collecting box.

Detailed Description

The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.

The embodiment is as follows:

referring to fig. 1-4, a sludge filtering apparatus includes a support box 1, a bottom plate 2 fixedly connected to a bottom of a right end of the support box 1, a vertical plate 3 fixedly connected to a top right portion of a top end of the support box 1, a top plate 4 fixedly connected to an upper portion of a right end of the vertical plate 3, a reinforcing plate 5 fixedly connected to a right end of the top plate 4, a bottom end of the reinforcing plate 5 and a top end of the bottom plate 2 fixedly connected to each other, a connecting plate 6 fixedly connected to a bottom middle portion of the top plate 4, two connecting plates 6 provided, a fixing box 7 provided below the top plate 4, a filter cartridge 8 provided inside the fixing box 7, a left end of the filter cartridge 8 and a left end of an inner wall of the fixing box 7 rotatably connected to each other, a circumferential outer wall of the filter cartridge 8 provided with a plurality of through holes, a support shaft 9 fixedly connected to a left end middle portion of the filter cartridge 8, a left end middle portion of the support shaft 9 fixedly connected to a longitudinal shaft 10, a left end of the longitudinal shaft 3 fixedly connected to a left end of the support cartridge 3, a left end of the longitudinal shaft 20 fixedly connected to a left end of the support base 20, and a longitudinal shaft 23, and a motor-side-end-mounting plate 23 fixedly connected to a left end of the support box 23, and a longitudinal-side-end-mounting plate 23, and a transmission device provided on a left end of the longitudinal-mounting plate 23, and a motor-mounting plate 23, the driving wheel 26 and the driven wheel 27 are both belt pulleys, and the connecting belt 21 is a belt; the motor 24 drives the driving wheel 26 to rotate, the driving wheel 26 drives the driven wheel 27 to rotate through the belt, so that rotating power is effectively provided for the lengthened shaft 10, the transverse impact force on the shaft of the motor 24 is reduced, and the effect of improving the use stability is achieved, wherein the driving wheel 26 and the driven wheel 27 are chain wheels, and the connecting belt 21 is a chain; the stability of power transmission is improved through a chain transmission mode, the output end of a transmission device is fixedly connected with the left end of the lengthened shaft 10, the circumferential outer wall of the lengthened shaft 10 is rotatably connected with a support sleeve 28, and the right end of the support sleeve 28 is fixedly connected with the middle part of the left end of the vertical plate 3; the left part of the lengthened shaft 10 is supported by the supporting sleeve 28, the deflection of the lengthened shaft 10 is reduced, and the effect of further improving the use reliability is achieved, the upper part of the right end of the fixed box 7 is communicated with a feeding pipe 11, and the middle part of the feeding pipe 11 is provided with a valve 29; the break-make through valve 29 control inlet pipe 11 when not using, through closing valve 29, reduces in external impurity gets into cartridge filter 8, reaches the effect that further improves the practicality, and the left end of cartridge filter 8 is for sealing the form, and the right side of cartridge filter 8 is the opening form, and cartridge filter 8 is the shrink form from the right side to left, and when the bold impurity got into cartridge filter 8 inside through inlet pipe 11, cartridge filter 8 the shrink structure can reduce the condition that mud and bold granule persist in the left part of cartridge filter 8 for the bold granule removed to the right side and falls into in the collecting box 31. The filter cartridge 8 is internally provided with a cleaning component, the cleaning component comprises an electric push rod 13, a mounting plate is fixedly connected with the free end of the electric push rod 13, a plurality of fan-shaped grooves are arranged in the cavity of the mounting plate, fan-shaped push plates 12 are inserted in the fan-shaped grooves, one side of the fan-shaped push plates 12 close to the mounting plate is fixedly connected with a plurality of first springs, the other ends of the first springs are fixedly connected with the inner bottom wall of the fan-shaped grooves, so that the fan-shaped push plates 12 can slide in the fan-shaped grooves, in the initial state, the surfaces of the fan-shaped push plates 12 are in contact with the left sealing part of the filter cartridge 8, at the moment, the fan-shaped push plates 12 are accommodated in the fan-shaped grooves under the conflict of the inner wall of the filter cartridge 8, and the first springs are in a contraction state, when stones in the filter cartridge 8 need to be cleaned, the electric push rod 13 contracts to drive the fan-shaped push plates 12 to move towards the right side, meanwhile, the fan-shaped push plate 12 is adapted to the size of the inner diameter of the filter cartridge 8 and slides out of the fan-shaped groove, so that the fan-shaped push plate 12 can adapt to the shrinkage structure of the filter cartridge 8 from right to left, the fan-shaped push plate 12 is always attached to the inner wall of the filter cartridge 8 in the moving process of the fan-shaped push plate 12 to prevent stones from falling into the left side of the fan-shaped push plate 12 and moving towards the right side along with the fan-shaped push plate 12 to push the stones into the collection box 31, the right end of the electric push rod 13 penetrates through the right side wall of the fixed box 7 from the inside of the fixed box 7 and is arranged in the cavity of the reinforcing plate 5, the top end of the bottom plate 2 is fixedly connected with a diversion pipe 14, the right end of the diversion pipe 14 is communicated with a sewage pump 15, the top end of the diversion pipe 14 is provided with an air cylinder 16, the output shaft end of the air cylinder 16 is inserted into the diversion pipe 14 from the top end of the diversion pipe 14, a transverse plate 17 is fixedly connected with the transverse shaft 17, the left part of the top end of the transverse plate 17 is fixedly connected with a plurality of the material passing shafts 18, the bottom end of the fixed box 7 is communicated with a plurality of material conveying pipes 19 corresponding to the material passing shafts 18, the bottom end of each material conveying pipe 19 is communicated with the top end of the water diversion pipe 14, the top end of each material passing shaft 18 is inserted into the corresponding material conveying pipe 19 from the bottom end of each corresponding material conveying pipe 19, and the top end of each material passing shaft 18 is provided with a sharp corner; the contact of the sharp corner and the sludge in the conveying pipe 19 is favorable for conducting the sludge in the conveying pipe 19, so that the effect of further improving the practicability is achieved, meanwhile, the material passing shaft 18 is matched with the material passing holes in the circumferential outer wall of the filter cylinder 8, the conveying pipe 19 and the material passing holes can be simultaneously dredged by moving the air cylinder 16 up and down, the bottom of the right end of the fixing box 7 is communicated with a material passing pipe 30, and the bottom end of the material passing pipe 30 is communicated with a material collecting box 31; let in mud in cartridge filter 8 through inlet pipe 11, it is rotatory with cartridge filter 8 to drive extension shaft 10 and cartridge filter through transmission, multiunit through cartridge filter 8 leads to the material hole and filters mud, and then persist the impurity of great piece inside cartridge filter 8, utilize fan-shaped push pedal 12 to release the impurity of great piece from cartridge filter 8's right side, and then cross the impurity filtration of great piece, and drive diaphragm 17 and the removal of logical material axle 18 through cylinder 16, and then dredge the mud in conveying pipeline 19 and the through-hole, reduce the condition of mud jam in conveying pipeline 19, and discharge mud through dredge pump 15, reach and reduce the big granule in the mud, reduce the condition of blockking up the pipeline, the higher effect of practicality.

In a preferred embodiment, the plurality of groups of through holes on the circumferential outer wall of the filter cartridge 8 are a plurality of groups of annular through holes, the annular through holes are distributed in parallel along the axial direction of the filter cartridge 8, the plane of the annular through holes is perpendicular to the rotation axis of the filter cartridge 8, the through shaft 18 is adapted to the annular through holes, when the filter cartridge is used, the air cylinder 16 drives the transverse plate 17 to move upwards, so that the tip of the through shaft 18 is inserted into the annular through holes, when the filter cartridge is used, the filter cartridge 8 rotates in a periodic forward and reverse rotation mode, the through shaft 18 is continuously inserted into the annular through holes, and the annular through holes are continuously dredged in the rotation process of the filter cartridge 8, so that blockage is avoided.

In conclusion, the working principle and the working process of the sludge filtering device are that, when the sludge filtering device is used, firstly, a user introduces sludge into the inlet pipe 11 and then flows into the filter cylinder 8, then the user starts the motor 24, the motor 24 drives the driving wheel 26 to rotate, the driven wheel 27 is driven to rotate through the connecting belt 21, the driven wheel 27 drives the extension shaft 10 and the filter cylinder 8 to rotate, the sludge is filtered through the multiple groups of material passing holes of the filter cylinder 8, and then larger impurities are filtered out, the user starts the sewage pump 15 to discharge the sludge, and the air cylinder 16 drives the transverse plate 17 and the material passing shaft 18 to move, so that the sludge in the material conveying pipe 19 and the material passing holes is dredged.

When the stone in the cartridge filter 8 needs to be cleared up, electric putter 13 shrink drives fan-shaped push pedal 12 and removes to the right side, fan-shaped push pedal 12 is adapted to the internal diameter size of cartridge filter 8 and follows the sector inslot roll-off simultaneously, make fan-shaped push pedal 12 can adapt to cartridge filter 8 from the right side to the shrink column structure on the left side, and paste the inner wall of cartridge filter 8 at the in-process that fan-shaped push pedal 12 removed all the time, avoid the stone to fall into fan-shaped push pedal 12 left side, along with fan-shaped push pedal 12 removes to the right side, push into in the collecting box 31 with the stone. The motor 24 is a speed reducing motor 24 with the model number of JXLD40, the motor 24 is a known device directly purchased from the market and used by people in the art, and structural and functional improvements are not performed on the motor 24, and are not described in detail herein, and the motor 24 is provided with a control switch matched with the motor, and the installation position of the control switch is selected according to actual use requirements, so that an operator can conveniently perform operation control.

Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.

Claims

1. A sludge filtering device is characterized in that: comprises a supporting box (1), a bottom plate (2) is fixedly connected with the bottom of the right end of the supporting box (1), vertical plates (3) are fixedly connected with the right end of the supporting box (1), a top plate (4) is fixedly connected with the upper part of the right end of each vertical plate (3), reinforcing plates (5) are fixedly connected with the right end of each top plate (4), the bottom ends of the reinforcing plates (5) are fixedly connected with the top end of the bottom plate (2), connecting plates (6) are fixedly connected with the middle part of the bottom end of each top plate (4), the connecting plates (6) are provided with two, a fixed box (7) is arranged on the lower side of each top plate (4), filter cartridges (8) are arranged inside the fixed boxes (7), the left ends of the filter cartridges (8) are rotatably connected with the left ends of the inner walls of the fixed boxes (7), the right ends of the filter cartridges (8) are rotatably connected with the right ends of the inner walls of the fixed boxes (7), a plurality of groups of material through holes are arranged on the outer circumferential walls of the filter cartridges (8), a support shaft (9) is fixedly connected with the middle part of the left end of the support shaft (9), the middle part of the left end of the support shaft (10) is fixedly connected with the middle part of the long shaft (3), and the long shaft (10) passes through the vertical plates (3), the utility model discloses a vertical plate, including riser (3), inlet pipe (11), inner wall fixedly connected with a plurality of fan-shaped push pedals (12) of cartridge filter (8), electric putter (13) is provided with in the right part of cartridge filter (8), the circumference outer wall of electric putter (13) all with the looks remote site fixed connection of each fan-shaped push pedal (12), the right-hand member of cartridge filter (8) is provided with the opening, the right-hand member of cartridge filter (8) with the inner wall right-hand member contact of fixed box (7), the right-hand member of electric putter (13) certainly the inside of fixed box (7) is passed the right side lateral wall of fixed box (7) and with the left end middle part rotation of reinforcing plate (5) is connected, the top fixedly connected with of bottom plate (2) has (14), the right-hand member intercommunication of bottom plate (14) has dredge pump (15), cylinder (16) is installed on the top of distributive pipe (14), the output of cylinder (16) is from the output of fixed distributive pipe (14) is connected with the distributive pipe (17) and the distributive pipe (17) is inserted to the top of a plurality of distributive pipe (17) the top of fixed distributive pipe, the output shaft end of output shaft end (17) is connected with the air cylinder (17) and output shaft end of distributive pipe (17) is connected with the water knockout drum (17) and output shaft end of a plurality of distributive pipe (17), the bottom of fixed case (7) intercommunication has a plurality ofly and the corresponding conveying pipeline (19) of logical material axle (18), the bottom of each conveying pipeline (19) all communicates with the top of distributive pipe (14), each the top of logical material axle (18) all inserts the inside that corresponds conveying pipeline (19) from the bottom of each corresponding conveying pipeline (19), is provided with clearance part in cartridge filter (8), clearance part includes electric putter (13), the free end fixedly connected with mounting panel of electric putter (13), be provided with a plurality of fan-shaped grooves in the cavity of mounting panel, fan-shaped push pedal (12) have all been inserted in a plurality of fan-shaped grooves, one side fixedly connected with a plurality of first springs of fan-shaped push pedal (12) near the mounting panel, the other end of first spring and the interior diapire fixed connection of fan-shaped groove, the multiunit through-material hole of cartridge filter circumference outer wall is multiunit annular through-material hole, annular through-material hole is along the axial parallel distribution of cartridge filter (8).

2. The sludge filtration apparatus as claimed in claim 1, wherein: the transmission device comprises a supporting seat (20) and a connecting belt (21), the right end of the supporting seat (20) is fixedly connected with the upper left end of a vertical plate (3), an adapter plate (22) is fixedly connected with the upper left end of the supporting seat (20), a longitudinal plate (23) is fixedly connected with the left end of the adapter plate (22), a motor (24) is installed in the middle of the left end of the longitudinal plate (23), a frame shaft (25) is fixedly connected with the output shaft of the motor (24), the right end of the frame shaft (25) penetrates through the left end of the longitudinal plate (23), the bottom of the longitudinal plate (23) is rotatably connected with the bottom of the left end of the supporting seat (20), a driving wheel (26) is fixedly connected with the outer circumferential wall of the frame shaft (25), a driven wheel (27) is fixedly connected with the left end of the extension shaft (10), and the outer circumferential wall of the driving wheel (26) and the outer circumferential wall of the driven wheel (27) pass through the connecting belt (21).

3. The sludge filtration apparatus as claimed in claim 2, wherein: the outer wall of the circumference of the lengthened shaft (10) is rotatably connected with a supporting sleeve (28), and the right end of the supporting sleeve (28) is fixedly connected with the middle part of the left end of the vertical plate (3).

4. A sludge filtration apparatus as claimed in claim 3, wherein: the left part of the filter cylinder (8) is in a contracted shape from right to left.

5. The sludge filtration apparatus according to claim 4, wherein: the middle part of the feeding pipe (11) is provided with a valve (29).

6. The sludge filtration apparatus according to claim 5, wherein: the bottom of the right end of the fixed box (7) is communicated with a material passing pipe (30), and the bottom end of the material passing pipe (30) is communicated with a material collecting box (31).

7. The sludge filtration apparatus as claimed in claim 6, wherein: the top end of each through material shaft (18) is provided with a sharp corner.

8. The sludge filtration apparatus as claimed in claim 7, wherein: the driving wheel (26) and the driven wheel (27) are chain wheels, and the connecting belt (21) is a chain.