CN115554766A - Sewage solid-liquid separation preprocessing device - Google Patents

Abstract

The invention discloses a sewage solid-liquid separation pretreatment device, and relates to the technical field of sewage solid-liquid separation; the invention comprises a separator, wherein a bracket and a fixed ring are fixedly arranged on the outer surface of the separator, a reciprocating rotary gear ring and a guide ring rotatably drive a filter sleeve to rotate along a ball cover and a rotating ring, the filter sleeve can drive a third rotating shaft and a second gear ring to rotate at the bottom end of a seal cover, so that a screw rod drive filter pressing disc in two third gears moves downwards, and then a sewage mixture in the filter sleeve and the ball cover is extruded, so that sewage in solid components is extruded out, and the bottom end of the screw rod is provided with scraping strips which can prevent the solid components from being extruded into blocks and are inconvenient to discharge; the rotation of spiral leaf in the installation section of thick bamboo enables to take out in the solid-state composition in the ball cover to discharge through the blow off pipe, and a plurality of stirring leaves of continuous pivoted stir the sewage processing in the section of thick bamboo down, make the pollutant stirring in the sewage even, the subsequent processing of being convenient for, solid-liquid separation is more thorough.

Description

A sewage solid-liquid separation pretreatment device

technical field

The invention relates to the technical field of sewage solid-liquid separation, in particular to a sewage solid-liquid separation pretreatment device.

Background technique

Sewage is often accompanied by solid components, and these solid components are often accompanied by a large amount of sewage. The usual solid-liquid separator only relies on the filter device installed in the separator to make the solid remain in the separator, and the sewage is discharged from the separator. In this way, a large amount of sewage contained in solid components is difficult to separate, which reduces the separation effect. In view of the above problems, the inventor proposes a sewage solid-liquid separation pretreatment device to solve the above problems.

Contents of the invention

In order to solve the problem that the usual solid-liquid separator only relies on the filter device installed in the separator so that the solid remains in the separator, and the sewage is discharged from the separator. In this way, a large amount of sewage contained in the solid component is difficult to separate. , so that the separation effect is reduced, the problem; the purpose of the present invention is to provide a sewage solid-liquid separation pretreatment device.

In order to solve the above technical problems, the present invention adopts the following technical solutions: a sewage solid-liquid separation pretreatment device, including a separator, the outer surface of the separator is fixedly installed with a bracket and a fixed ring, and a driving device is installed on the fixed ring , the separator is rotatably connected with a rotating assembly, the driving device is in transmission connection with the rotating assembly, the rotating assembly is fixedly connected with a filter, the filter is rotatably installed in the separator, and a pressure filter is installed in the filter filter assembly, the press filter assembly is rotatably connected to the separator, the inner bottom of the filter is provided with a solid-state separation assembly, the solid-state separation assembly is fixedly socketed with the separator, and the outer surface of the filter is rotatably connected with a rotary The swivel ring is fixed on the inner wall of the separator, the liquid inlet pipe is fixedly sleeved inside the swivel ring, one end of the liquid inlet pipe is fixedly sleeved with the separator, and the driving device is connected with a stirring device , the stirring device is rotationally connected with the bottom end of the separator, the sewage enters the filter from the liquid inlet pipe, the solid components in the sewage are filtered and retained in the filter, and the rotating assembly is driven by the driving device to make the filter separate The reciprocating rotation in the device drives the filter press assembly to squeeze the solid components back and forth in the filter, so that the sewage accompanying the solid components is squeezed out, and then the sewage flows to the bottom of the separator, while the solid components pass through The solid-state separation component is pulled out to realize solid-liquid separation.

Preferably, the separator includes an upper cylinder and a lower cylinder, the inner wall of the upper end of the upper cylinder is fixedly connected with a cover, the bottom surface of the cover is rotatably connected to the filter press assembly, and the upper cylinder and the lower cylinder are rotatably connected to rotate Assemblies, the end faces of the upper cylinder and the lower cylinder are provided with annular grooves, which are then used to install the rotating components, and the bottom of the lower cylinder is equipped with a drainpipe, so that the sewage can be discharged; the bracket is fixed with a rectangular block , the rotatable assembly is connected between the bracket and the fixed ring, the stent is rotatably connected with the driving device, and the driving device drives the rotating assembly to reciprocate, so that the filter reciprocates in the separator; the driving device includes a first motor , the first motor is fixed on the bottom surface of the fixed ring, the output end of the first motor is fixedly provided with a half-face gear, the half-face gear is meshed with a tooth plate, and the two ends of the tooth plate are slidably connected with a guide block, The bottom end of the guide block is fixed on the upper surface of the bracket, the side of the tooth plate is fixed with a rack, the rack is connected to the rotating assembly by transmission, the output end of the first motor is connected to the bracket by rotation, and is connected by transmission For the stirring device, the output end of the first motor drives the half-gear and the stirring device to rotate, the half-gear drives the tooth plate to slide back and forth, and the rotating assembly is driven by the rack to rotate reciprocally.

Preferably, the rotating assembly includes a first gear and a ring gear, a first shaft is fixed inside the first gear, and the first shaft rotates between the bracket and the fixed ring, and the first gear and The ring gear is meshed and connected, and a guide ring is fixed inside the ring gear, and the guide ring is rotated between the upper cylinder and the lower cylinder, and a plurality of connecting blocks are fixed on the inner wall of the guide ring, and the connecting blocks It is fixedly connected with the outer surface of the filter, and the first gear drives the ring gear and the guide ring to rotate. While the guide ring is connected to the upper cylinder and the lower cylinder in rotation, the airtight treatment between the upper cylinder and the lower cylinder can be realized by setting the sealing ring. The guide ring drives the filter to rotate in the separator through a plurality of connecting blocks; the filter includes a filter sleeve and a spherical cover, the filter sleeve and the spherical cover are rotatably connected, and the bottom end of the spherical cover is fixed with a filter plate, The filter plate is fixed on the inner wall of the upper cylinder, the filter sleeve is provided with a liquid inlet groove, the outer surface of the filter sleeve is fixedly connected with a plurality of connection blocks, and the filter sleeve is slidably connected to the filter press assembly. The outer surface of the filter sleeve is rotated to connect with the swivel, and the liquid inlet groove is opened in an arc shape along the outer surface of the filter sleeve, and the liquid inlet groove is larger than the port of the liquid inlet pipe, so that the rotation range of the filter sleeve is increased; the inner wall of the swivel ring and the filter sleeve The outer surface is bonded and connected, and a rectangular groove is opened in the swivel, and a liquid inlet pipe is fixedly installed in the rectangular groove. The inner wall is fitted and connected with the outer surface of the filter sleeve, so that the filter sleeve can only communicate with the liquid inlet pipe through the liquid inlet tank; the filter press assembly includes a third rotating shaft, and the bottom end of the third rotating shaft is fixed on the bottom of the filter sleeve At the inner wall of the bottom end, the third rotating shaft is rotatably connected with a filter press plate, and the outer surface of the upper end of the third rotating shaft is fixed with a second gear, and the second gear is meshed with two third gears, and the third Screw rods are fixed inside the gears, the third rotating shaft and the upper end of the screw rods are rotatably connected to the bottom surface of the cover, the threads of the screw rods run through the filter plate, and the outer surface of the bottom end of the screw rods is fixed with two A scraper, the scraper is set at the upper port of the ball cover, the solid state separation assembly is fixedly sleeved inside the ball cover, a connecting plate is fixedly installed at the bottom end of the third rotating shaft, and the connecting plate is connected with the bottom end of the filter sleeve The inner wall is fixedly connected. When the filter sleeve rotates, it can drive the third rotating shaft and the second gear to rotate, and then the two third gears drive the corresponding screw to rotate, and make the filter press plate move downward along the filter sleeve, and then squeeze the filter. The sewage mixture in the sleeve and the ball cover, and the scraper bar at the bottom of the screw rod can prevent the solid components from being squeezed into blocks, which is not easy to discharge and clean.

Preferably, the solid-state separation assembly includes a mounting cylinder, the mounting cylinder is fixedly socketed with the lower cylinder and the ball cover, and a helical blade is rotated inside the mounting cylinder, and a second outer surface of the mounting cylinder is fixedly installed. Two motors, the output end of the second motor is fixedly connected to the screw blade, the outer surface of one end of the installation cylinder is fixedly sleeved with a sewage pipe, and the output end of the second motor drives the screw blade to rotate, so that the extruded solid components Extracted from the ball cover and discharged through the sewage pipe; the stirring device includes a belt mechanism, one end pulley of the belt mechanism is fixedly connected with the output end of the first motor, and the other end pulley of the belt mechanism is fixedly connected There is a second rotating shaft, the second rotating shaft is rotationally connected with the lower cylinder, the outer surface of the second rotating shaft is fixed with a plurality of stirring blades, and the plurality of stirring blades are rotatably arranged in the lower cylinder, and the continuous rotation of the second rotating shaft can The sewage in the lower cylinder is stirred and treated by a plurality of stirring blades, so that the pollutants in the sewage are stirred evenly, which is convenient for subsequent treatment.

Compared with prior art, the beneficial effect of the present invention is:

1. The reciprocating rotating ring gear and the guide ring rotate and drive the filter sleeve to rotate along the ball cover and the swivel ring. The filter sleeve can drive the third shaft and the second gear to rotate at the bottom of the cover, so that the wires in the two third gears The rod drives the filter plate to move downwards, and then squeezes the sewage mixture in the filter sleeve and the ball cover to squeeze out the sewage in the solid component, and the scraper bar at the bottom of the screw rod can prevent the solid component from being squeezed into a block, without Ease of discharge work;

2. The rotation of the helical blades in the installation tube can make the solid components in the dome cover be drawn out and discharged through the sewage pipe, and the continuous rotating multiple stirring blades can stir the sewage in the lower tube, so that the pollutants in the sewage can be stirred Uniform, easy for follow-up processing, solid-liquid separation is more thorough.

Description of drawings

In order to more clearly illustrate the technical solutions in the embodiments of the present invention or the prior art, the following will briefly introduce the drawings that need to be used in the description of the embodiments or the prior art. Obviously, the accompanying drawings in the following description are only These are some embodiments of the present invention. Those skilled in the art can also obtain other drawings based on these drawings without creative work.

Fig. 1 is a schematic diagram of the structure of the present invention.

Fig. 2 is a schematic diagram of the structure separator of the present invention.

Fig. 3 is a schematic diagram of a structural filter and a stirring device of the present invention.

Fig. 4 is an enlarged schematic diagram of A in Fig. 3 of the structure of the present invention.

Fig. 5 is a schematic diagram of a filter press assembly of the present invention.

Fig. 6 is an enlarged schematic diagram of B in Fig. 5 of the structure of the present invention.

In the figure: 1. bracket; 11. rectangular block; 12. fixed ring; 2. separator; 21. upper cylinder; 211. cover; 22. lower cylinder; 3. driving device; 31. first motor; 32. Half face gear; 33, gear plate; 34, guide block; 35, rack; 4, rotating assembly; 41, first gear; 42, first rotating shaft; 43, ring gear; 44, guide ring; 45, connecting block; 5. Solid-state separation component; 51. Second motor; 52. Installation cylinder; 53. Sewage pipe; 54. Spiral blade; 6. Stirring device; 61. Belt mechanism; 62. Second rotating shaft; 63. Stirring blade; 7. Swivel; 71, rectangular groove; 72, liquid inlet pipe; 8, filter; 81, filter sleeve; 811, liquid inlet tank; 82, ball cover; 83, filter plate; 9, press filter assembly; 91, press filter 92, screw mandrel; 93, scraping strip; 94, the third rotating shaft; 95, the second gear; 96, the third gear.

detailed description

The following will clearly and completely describe the technical solutions in the embodiments of the present invention with reference to the accompanying drawings in the embodiments of the present invention. Obviously, the described embodiments are only some, not all, embodiments of the present invention. Based on the embodiments of the present invention, all other embodiments obtained by persons of ordinary skill in the art without making creative efforts belong to the protection scope of the present invention.

Embodiment 1: As shown in Figures 1-6, the present invention provides a sewage solid-liquid separation pretreatment device, including a separator 2, a bracket 1 and a fixed ring 12 are fixedly installed on the outer surface of the separator 2, and the fixed ring 12 A driving device 3 is installed, and the separator 2 is rotatably connected to a rotating assembly 4. The driving device 3 is connected to the rotating assembly 4 in transmission, and the rotating assembly 4 is fixedly connected to a filter 8. The filter 8 is rotatably arranged in the separator 2. The filter 8 A filter press assembly 9 is installed inside, and the filter press assembly 9 is rotatably connected with the separator 2. A solid separation assembly 5 is arranged at the inner bottom of the filter 8, and the solid separation assembly 5 is fixedly socketed with the separator 2. The outer surface of the filter 8 Rotationally connected with a swivel 7, the swivel 7 is fixed on the inner wall of the separator 2, a liquid inlet pipe 72 is fixedly sleeved inside the swivel ring 7, one end of the liquid inlet pipe 72 is fixedly sleeved with the separator 2, and the driving device 3 drives A stirring device 6 is connected, and the stirring device 6 is rotatably connected with the bottom end of the separator 2 .

By adopting the above-mentioned technical scheme, the sewage enters the filter 8 from the liquid inlet pipe 72, the solid components in the sewage are filtered and retained in the filter 8, and the driving device 3 drives the rotating assembly 4 to work, so that the filter 8 is in the separator 2 reciprocatingly rotates, and drives the filter press assembly 9 to reciprocally squeeze the solid components in the filter 8, so that the accompanying sewage in the solid components is squeezed out, and then the sewage flows to the inner bottom of the separator 2, and The solid components are extracted through the solid separation assembly 5 to realize solid-liquid separation.

The separator 2 includes an upper cylinder 21 and a lower cylinder 22, the inner wall of the upper end of the upper cylinder 21 is fixedly connected with a cover 211, the bottom surface of the cover 211 is rotatably connected to the filter press assembly 9, and the upper cylinder 21 and the lower cylinder 22 are rotatably connected to the rotating assembly 4 .

By adopting the above-mentioned technical solution, annular grooves are provided on the adjacent end surfaces of the upper cylinder 21 and the lower cylinder 22, which are then used to install the rotating assembly 4, and a drainpipe is installed at the bottom of the lower cylinder 22, so that sewage can be discharged.

The support 1 is fixedly provided with a rectangular block 11, and the rotating assembly 4 is rotatably connected between the support 1 and the fixed ring 12, and the support 1 is rotatably connected with the driving device 3.

By adopting the above technical solution, the driving device 3 drives the rotating assembly 4 to reciprocate, so that the filter 8 reciprocates in the separator 2 .

The driving device 3 includes a first motor 31, the first motor 31 is fixed on the bottom surface of the fixed ring 12, the output end of the first motor 31 is fixedly provided with a half-face gear 32, and the half-face gear 32 is meshed with a tooth plate 33, and the tooth plate 33 The two ends are slidingly connected with a guide block 34, the bottom end of the guide block 34 is fixed on the upper surface of the bracket 1, the side of the tooth plate 33 is fixed with a rack 35, the rack 35 is connected to the rotating assembly 4 in transmission, the output end of the first motor 31 It is rotatably connected with the support 1, and is connected with the stirring device 6 through transmission.

By adopting the above technical solution, the output end of the first motor 31 drives the half gear 32 and the stirring device 6 to rotate, the half gear 32 drives the gear plate 33 to slide back and forth, and drives the rotating assembly 4 to rotate reciprocally through the rack 35 .

The rotating assembly 4 includes a first gear 41 and a ring gear 43. A first rotating shaft 42 is fixed inside the first gear 41. The first rotating shaft 42 is rotated between the bracket 1 and the fixed ring 12. The first gear 41 and the ring gear 43 meshing connection, the ring gear 43 is fixed with a guide ring 44, the guide ring 44 is rotated between the upper cylinder 21 and the lower cylinder 22, and the inner wall of the guide ring 44 is fixed with a plurality of connection blocks 45, the connection blocks 45 and The outer surface of the filter 8 is fixedly connected.

By adopting the above technical solution, the first gear 41 drives the ring gear 43 and the guide ring 44 to rotate, and while the guide ring 44 is rotationally connected with the upper cylinder 21 and the lower cylinder 22, the upper cylinder 21 and the lower cylinder can be realized by setting a sealing ring 22 is airtightly treated, and the guide ring 44 drives the filter 8 to rotate in the separator 2 through a plurality of connecting blocks 45 .

The filter 8 includes a filter sleeve 81 and a spherical cover 82, the filter sleeve 81 and the spherical cover 82 are rotatably connected, the bottom end of the spherical cover 82 is fixedly provided with a filter plate 83, the filter plate 83 is fixedly provided with the inner wall of the upper cylinder 21, and the filter sleeve 81 A liquid inlet groove 811 is provided on the top, the outer surface of the filter sleeve 81 is fixedly connected with a plurality of connection blocks 45 , the inner surface of the filter sleeve 81 is slidably connected with the filter press assembly 9 , and the outer surface of the filter sleeve 81 is rotatably connected with the swivel ring 7 .

By adopting the above technical solution, the liquid inlet groove 811 is formed in an arc shape along the outer surface of the filter sleeve 81 , and the liquid inlet groove 811 is larger than the port of the liquid inlet pipe 72 , so that the rotation range of the filter sleeve 81 is increased.

The inner wall of the swivel 7 is bonded to the outer surface of the filter sleeve 81 . The swivel 7 is provided with a rectangular groove 71 , and the liquid inlet pipe 72 is fixedly installed in the rectangular groove 71 . The liquid inlet pipe 72 communicates with the liquid inlet groove 811 .

By adopting the above technical solution, the filter sleeve 81 rotates in the swivel 7, and the inner wall of the swivel 7 is attached to the outer surface of the filter sleeve 81, so that the filter sleeve 81 can only communicate with the liquid inlet pipe 72 through the liquid inlet groove 811.

The filter press assembly 9 includes a third rotating shaft 94. The bottom end of the third rotating shaft 94 is fixed on the inner wall of the bottom end of the filter sleeve 81. The third rotating shaft 94 is rotatably connected to the filter press plate 91, and the outer surface of the upper end of the third rotating shaft 94 is fixed. A second gear 95 is provided, and the second gear 95 is meshed with two third gears 96. The third gear 96 is fixed with a screw 92, and the upper ends of the third rotating shaft 94 and the screw 92 are connected to the bottom surface of the cover 211. Rotational connection, screw rod 92 threaded through the filter plate 91, two scraping strips 93 are fixed on the outer surface of the bottom end of the screw rod 92, the scraping strips 93 are arranged at the upper port of the ball cover 82, and the inside of the ball cover 82 is fixedly sleeved in a solid state. Separate component 5.

By adopting the above technical solution, a connecting plate is fixedly installed at the bottom end of the third rotating shaft 94, and the connecting plate is fixedly connected with the inner wall of the bottom end of the filter sleeve 81, and the third rotating shaft 94 and the second gear 95 can be driven when the filter sleeve 81 rotates. Rotate, and then make the two third gears 96 drive the corresponding screw mandrel 92 to rotate, and make the pressure filter plate 91 move down along the inside of the filter sleeve 81, and then can squeeze the sewage mixture in the filter sleeve 81 and the ball cover 82, and the screw mandrel 92 bottoms are provided with scraper 93 and can prevent that solid component is extruded into lump, is not easy to discharge cleaning.

The solid-state separation assembly 5 includes a mounting cylinder 52, which is fixedly socketed with the lower cylinder 22 and the ball cover 82, and a helical blade 54 is installed inside the mounting cylinder 52, and a second motor 51 is fixedly installed on the outer surface of one end of the mounting cylinder 52. , the output end of the second motor 51 is fixedly connected to the screw blade 54 , and the outer surface of one end of the installation cylinder 52 is fixedly sleeved with a sewage pipe 53 .

By adopting the above technical solution, the output end of the second motor 51 drives the screw blade 54 to rotate, so that the extruded solid components are extracted from the ball cover 82 and discharged through the sewage pipe 53 .

The stirring device 6 includes a belt mechanism 61, one end pulley of the belt mechanism 61 is fixedly connected with the output end of the first motor 31, and the other end pulley of the belt mechanism 61 is fixedly connected with a second rotating shaft 62, and the second rotating shaft 62 is connected with the lower cylinder 22 is rotationally connected, the outer surface of the second shaft 62 is fixed with a plurality of stirring blades 63 , and the plurality of stirring blades 63 are rotatably arranged in the lower tube 22 .

By adopting the above technical solution, the continuous rotation of the second rotating shaft 62 can agitate the sewage in the lower cylinder 22 through a plurality of agitating blades 63, so that the pollutants in the sewage can be evenly agitated, which is convenient for subsequent treatment.

Working principle: Sewage enters the swivel 7 through the liquid inlet pipe 72, and then enters the filter sleeve 81 through the liquid inlet tank 811 opened by the filter sleeve 81, so that part of the sewage can be filtered through the filter sleeve 81 and the ball cover 82, and then flow to the bottom. In the cylinder 22, there is a large amount of sewage in the solid components retained in the filter sleeve 81 and the ball cover 82, which needs to be separated. The output end of the first motor 31 drives the half-face gear 32, so that the tooth plate 33 slides reciprocally along the guide block 34, and passes through the gear The bar 35 drives the first gear 41, the ring gear 43 and the guide ring 44 to rotate reciprocatingly, and the guide ring 44 passes through a plurality of connecting blocks 45 to drive the filter sleeve 81 to rotate along the ball cover 82 and the swivel ring 7, and the filter sleeve 81 is provided with an inlet The liquid tank 811 is larger than the port of the liquid inlet pipe 72, so that the filter sleeve 81 can rotate in a larger range in the swivel 7. When the filter sleeve 81 rotates, it can drive the third rotating shaft 94 and the second gear 95 to rotate, so that the two third The gear 96 drives the corresponding screw rod 92 to rotate, and then the filter press plate 91 moves downward along the filter sleeve 81, and squeezes the sewage mixture in the filter sleeve 81 and the ball cover 82, so that the sewage in the solid component is squeezed out, and The bottom end of the screw mandrel 92 is provided with a scraper 93, which can prevent the solid components from being extruded into blocks, and the phenomenon that the guide seat is difficult to discharge and clean up. In addition, the output end of the second motor 51 drives the screw blade 54 to rotate, so that the extruded solid The components are extracted from the ball cover 82 and discharged through the sewage pipe 53, while the continuously rotating second rotating shaft 62 can agitate the sewage in the lower cylinder 22 through a plurality of stirring blades 63, so that the pollutants in the sewage can be stirred evenly. It is convenient for subsequent treatment, and then realizes solid-liquid separation of sewage.

Obviously, those skilled in the art can make various changes and modifications to the present invention without departing from the spirit and scope of the present invention. Thus, if these modifications and variations of the present invention fall within the scope of the claims of the present invention and equivalent technologies thereof, the present invention also intends to include these modifications and variations.

Claims (10)

1. A sewage solid-liquid separation pretreatment device, comprising a separator (2), is characterized in that: the outer surface of the separator (2) is fixedly equipped with a support (1) and a retaining ring (12), and the retaining ring (12) is equipped with a driving device (3), the separator (2) is rotatably connected with a rotating assembly (4), and the driving device (3) is transmission-connected with the rotating assembly (4), and the rotating assembly (4) ) is fixedly connected with a filter (8), and the filter (8) is rotated in the separator (2), and a filter press assembly (9) is installed in the filter (8), and the filter press assembly ( 9) It is rotationally connected with the separator (2), and the inner bottom of the filter (8) is provided with a solid separation assembly (5), and the solid separation assembly (5) is fixedly socketed with the separator (2). The outer surface of the filter (8) is rotatably connected with a swivel (7), the swivel (7) is fixed on the inner wall of the separator (2), and the swivel (7) is fixedly sleeved with a liquid inlet pipe (72), one end of the liquid inlet pipe (72) is fixedly socketed with the separator (2), and the driving device (3) is transmission-connected with a stirring device (6), and the stirring device (6) and the separator (2) Rotate connection at the bottom. 2. A kind of sewage solid-liquid separation pretreatment device as claimed in claim 1, is characterized in that, described separator (2) comprises upper cylinder (21) and lower cylinder (22), and described upper cylinder (21 ) is fixedly connected with a cover (211) on the inner wall of the upper end, the bottom surface of the cover (211) is rotatably connected to the filter press assembly (9), and the upper cylinder (21) and the lower cylinder (22) are rotatably connected to the rotating assembly (4 ). 3. A kind of sewage solid-liquid separation pretreatment device as claimed in claim 1, is characterized in that, described support (1) is fixedly provided with rectangular block (11), and described support (1) and fixed ring (12 ) is rotatably connected to the rotatable assembly (4), and the support (1) is rotatably connected to the driving device (3). 4. A kind of sewage solid-liquid separation pretreatment device as claimed in claim 3, is characterized in that, described driving device (3) comprises the first motor (31), and described first motor (31) is fixedly arranged on The bottom surface of the fixed ring (12), the output end of the first motor (31) is fixedly provided with a half gear (32), and the half gear (32) is meshed with a tooth plate (33), and the tooth plate (33) The two ends of the guide block (34) are slidingly connected with the guide block (34), and the bottom end of the guide block (34) is fixed on the upper surface of the support (1), and the side of the tooth plate (33) is fixedly provided with a rack (35). The rack (35) is connected in transmission with the rotating component (4), the output end of the first motor (31) is connected in rotation with the support (1), and is connected in transmission with the stirring device (6). 5. A kind of sewage solid-liquid separation pretreatment device as claimed in claim 4, is characterized in that, described rotating assembly (4) comprises first gear (41) and ring gear (43), and described first gear (41) is fixedly provided with the first rotating shaft (42), and described first rotating shaft (42) rotation is arranged between support (1) and fixed ring (12), and described first gear (41) and ring gear ( 43) Mesh connection, the ring gear (43) is fixed with a guide ring (44), and the guide ring (44) is rotated between the upper cylinder (21) and the lower cylinder (22). The guide ring The inner wall of (44) is fixedly provided with a plurality of connection blocks (45), and the connection blocks (45) are fixedly connected with the outer surface of the filter (8). 6. A kind of sewage solid-liquid separation pretreatment device as claimed in claim 5, is characterized in that, described filter (8) comprises filter cover (81) and spherical cover (82), and described filter cover (81 ) and the ball cover (82) are rotatably connected, and the bottom end of the ball cover (82) is fixedly provided with a filter plate (83), and the filter plate (83) is fixedly provided with the inner wall of the upper cylinder (21), and the filter sleeve (81) is provided with a liquid inlet tank (811), the outer surface of the filter sleeve (81) is fixedly connected to a plurality of connection blocks (45), and the filter sleeve (81) is slidingly connected to the filter press assembly (9), The outer surface of the filter sleeve (81) is rotatably connected with the swivel (7). 7. A kind of sewage solid-liquid separation pretreatment device as claimed in claim 6, is characterized in that, the inner wall of described swivel (7) is connected with the outer surface of filter sleeve (81), and described swivel (7) ) is provided with a rectangular groove (71), the liquid inlet pipe (72) is fixedly installed in the rectangular groove (71), and the liquid inlet pipe (72) communicates with the liquid inlet groove (811). 8. A sewage solid-liquid separation pretreatment device as claimed in claim 6, characterized in that, the filter press assembly (9) includes a third rotating shaft (94), and the bottom of the third rotating shaft (94) The end is fixed on the inner wall of the bottom end of the filter sleeve (81), the third rotating shaft (94) is rotatably connected with the pressure filter plate (91), and the outer surface of the upper end of the third rotating shaft (94) is fixedly provided with a second gear (95), the second gear (95) is engaged with two third gears (96), and the third gear (96) is fixedly equipped with a screw (92), and the third rotating shaft (94 ) and the upper end of the screw rod (92) are rotatably connected with the bottom surface of the cover (211). There are two scraping strips (93), the scraping strips (93) are arranged at the upper port of the ball cover (82), and the solid state separation assembly (5) is fixedly sleeved inside the ball cover (82). 9. A kind of sewage solid-liquid separation pretreatment device as claimed in claim 8, is characterized in that, described solid-state separation assembly (5) comprises installation cylinder (52), and described installation cylinder (52) and lower cylinder ( 22), the ball cover (82) is fixedly socketed, the inside of the installation cylinder (52) is provided with a spiral blade (54), and the outer surface of one end of the installation cylinder (52) is fixedly installed with a second motor (51), The output end of the second motor (51) is fixedly connected to the spiral blade (54), and the outer surface of one end of the installation cylinder (52) is fixedly sleeved with a sewage pipe (53). 10. A kind of sewage solid-liquid separation pretreatment device as claimed in claim 4, is characterized in that, described stirring device (6) comprises belt mechanism (61), and one end pulley of described belt mechanism (61) is connected with The output end of the first motor (31) is fixedly connected, and the other end pulley of the belt mechanism (61) is fixedly connected with a second rotating shaft (62), and the second rotating shaft (62) is rotationally connected with the lower tube (22) , the outer surface of the second rotating shaft (62) is fixedly provided with a plurality of stirring blades (63), and the plurality of stirring blades (63) are rotatably arranged in the lower cylinder (22).

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