CN216972303U - Municipal administration is with high-efficient clearing machine of mud - Google Patents

Abstract

The utility model discloses a municipal sludge efficient purifier which comprises a purifying box and a dewatering box, wherein the purifying box is fixedly arranged at the top of the dewatering box, a feeding hole is formed in the top of the purifying box, an arc-shaped bottom plate is fixedly arranged in the purifying box, a transverse shaft positioned above the arc-shaped bottom plate is rotatably arranged in the purifying box, a mounting hole is formed in the inner wall of the top of the purifying box, a vertical shaft is rotatably arranged in the mounting hole, two ends of the vertical shaft extend out of the mounting hole, and a motor is fixedly arranged at the top of the purifying box. The sludge dewatering and heating drying device is reasonable in design and good in practicability, can be used for stirring and mixing the sludge, the flocculating agent and the purifying agent completely without dead angles, enables the sludge, the flocculating agent and the purifying agent to be mixed uniformly and quickly, improves the purification efficiency of the sludge, has the functions of dewatering, heating and drying the sludge, improves the treatment efficiency of the sludge, and facilitates the subsequent recovery, reprocessing and utilization of the sludge.

Description

Municipal administration is with high-efficient clearing machine of mud

Technical Field

The utility model relates to the technical field of sludge treatment, in particular to a municipal sludge efficient purifier.

Background

Nowadays, with the rapid development of national economy, the industrialization process is also accelerated, the production amount of sewage is more and more, the treatment amount, the treatment rate and the treatment degree of sewage are continuously improved, therefore, the sludge amount produced by sewage treatment is increased, municipal sludge contains a large amount of water, and also contains refractory organic matters, heavy metals, salts, pathogen microorganisms, parasitic ova and the like, the untreated sludge is discharged randomly or buried to cause secondary pollution to the environment, and the municipal sludge also contains a certain amount of organic matters and calorific value, belongs to a resource capable of being recycled, and generally a purifier is used for purifying the sludge so as to recycle the purified sludge, so that the effect of changing waste into valuable is achieved, and the resource is saved.

However, in the process of using the commonly used sludge purifier, the sludge, the flocculating agent and the purifying agent are not stirred and mixed uniformly enough, so that a stirring dead angle is easy to exist, a long time is needed for stirring and mixing treatment, the purification efficiency of the sludge is further reduced, the functions of dewatering and heating drying the purified sludge are not provided, when the sludge is recycled and reprocessed, sludge dewatering equipment and sludge drying equipment are required to be equipped, the purified sludge is required to be sequentially transferred to the dewatering equipment and the sludge drying equipment for treatment, the operation steps and the labor amount are increased, the working time is increased, and the recycling and reprocessing treatment efficiency of the sludge is influenced.

SUMMERY OF THE UTILITY MODEL

Technical problem to be solved

Aiming at the defects of the prior art, the utility model provides a municipal sludge high-efficiency purifier, which solves the problems that the sludge purifier is not uniform enough in stirring and mixing of sludge, a flocculating agent and a purifying agent, dead stirring angles easily exist, long time is spent on stirring and mixing treatment, the sludge purification efficiency is reduced, the purified sludge does not have the functions of dewatering and heating drying, sludge dewatering equipment and sludge drying equipment are required to be equipped, the purified sludge needs to be sequentially transferred to the dewatering equipment and the sludge drying equipment for treatment, the operation steps and the labor amount are increased, the working time is increased, and the sludge recycling and reprocessing treatment efficiency is influenced in the use process.

(II) technical scheme

In order to achieve the purpose, the utility model provides the following technical scheme: the utility model provides a municipal administration is with high-efficient clearing machine of mud, including purifying box and dehydration case, purifying box fixed mounting is at the top of dehydration case, the feed port has been seted up at the top of purifying box, fixed mounting has the arc bottom plate in the purifying box, the cross axle that is located arc bottom plate top is installed to the purifying box internal rotation, the mounting hole has been seted up on the top inner wall of purifying box, rotate in the mounting hole and install the vertical axis, the both ends of vertical axis all extend to outside the mounting hole, the top fixed mounting of purifying box has the motor, be provided with stirring subassembly and drive assembly on the purifying box, fixed mounting U type conveying pipeline on the right side wall of purifying box, fixed mounting has the stop valve on the U type conveying pipeline, the one end fixed mounting that the purifying box was kept away from to U type conveying pipeline is at the top of dehydration case, the both ends of U type conveying pipeline communicate with purifying box and dehydration case respectively, be provided with dewatering mechanism on the dehydration case.

Preferably, the stirring subassembly includes heliciform stirring leaf and a plurality of puddler, and heliciform stirring leaf fixed mounting is on the cross axle, and the equal fixed mounting of a plurality of puddlers is on the vertical axis, and a plurality of puddlers are the setting of equidistant two bisymmetries, and the right-hand member of cross axle and the right-hand member of heliciform stirring leaf all extend to in the U type conveying pipeline.

Preferably, the transmission assembly comprises a transmission shaft, a driven bevel gear, a driving bevel gear, two first belt pulleys and a first belt, the transmission shaft is rotatably installed in the purification box, the transmission shaft is located above the cross shaft, the left end of the transmission shaft extends out of the purification box, the driven bevel gear is fixedly installed at the right end of the transmission shaft, the driving bevel gear is fixedly sleeved on the vertical shaft and meshed with the driven bevel gear, the left end of the cross shaft extends out of the purification box, the two first belt pulleys are fixedly installed at the left end of the cross shaft and the left end of the transmission shaft respectively, and the first belt is wound on the two first belt pulleys.

Preferably, the vertical shaft is fixedly sleeved with a bearing, and an outer ring of the bearing is fixedly connected with the inner wall of the mounting hole.

Preferably, dewatering mechanism includes filter screen, reciprocal lead screw, sliding seat, connecting axle, disc, a plurality of kickoff poles and drive assembly, and filter screen fixed mounting is in the dewatering box, and reciprocal lead screw rotates to be installed in the dewatering box, and reciprocal lead screw is located the top of filter screen, and the sliding seat threaded sleeve is established on reciprocal lead screw, and the connecting axle rotates the bottom of installing at the sliding seat, and disc fixed mounting is in the bottom of connecting axle, and the equal fixed mounting of a plurality of kickoff poles is in the bottom of disc, and a plurality of kickoff poles are the array and arrange.

Preferably, drive assembly includes straight-teeth gear, rack, two second pulleys and second belt, and the straight-teeth gear fixed cover is established on the connecting axle, and rack fixed mounting is in the dewatering box, and the rack is located the rear side of connecting axle, and straight-teeth gear and rack meshing, the left end of reciprocal lead screw extend to outside the dewatering box, and two second pulleys are fixed mounting respectively at the left end of cross axle and the left end of reciprocal lead screw, and the second belt is around establishing on two second pulleys.

Preferably, the inside fixed mounting of dewatering box has the guide bar that is located reciprocal lead screw top, and the sliding sleeve of sliding seat is established on the guide bar, and fixed cover is equipped with two limit baffle on the guide bar, and the sliding seat is located between two limit baffle, and the left side fixed mounting of dewatering box has the drain pipe, and the drain pipe is located the below of filter screen.

Preferably, the inner wall of the front side of the dewatering box is provided with a discharge hole, the outer wall of the front side of the dewatering box is fixedly provided with a cover plate through screws, and the cover plate is matched with the discharge hole.

(III) advantageous effects

The utility model provides a municipal sludge high-efficiency purifier. The method has the following beneficial effects:

(1) this high-efficient clearing machine of mud is used in municipal administration, through starter motor, utilize the meshing transmission of initiative bevel gear and driven bevel gear, and utilize the transmission effect of two first belt pulleys and first belt, steerable transmission shaft, vertical axis and cross axle are rotatory simultaneously, and then utilize the rotation of heliciform stirring leaf, can stir the mud of the inside lower floor of purifying box and mix, utilize the vertical axis to drive the rotation of a plurality of puddlers, can stir the mud of upper strata in the purifying box is inside and mix, make mud at the inside abundant motion of purifying box, can be to mud, flocculating agent and purifying agent carry out the stirring in comprehensive no dead angle and mix, make mud, flocculating agent and purifying agent can the flash mixed even, the purification efficiency to mud has been improved.

(2) This high-efficient clearing machine of mud for municipal administration, through opening the stop valve, the mud that purifies is whole to be carried to the dewatering box in the steerable purifying box, utilize the filter screen can filter the sewage that carries in the mud, make sewage discharge from the drain pipe, the mud solid persists on the filter screen, through the drive action who utilizes two second pulleys and second belts, steerable cross axle and reciprocating screw rotate simultaneously, and utilize the meshing transmission of straight-teeth wheel and rack, and then can use the connecting axle to rotate as the center when steerable a plurality of stirring poles carry out horizontal reciprocating motion again, can accelerate the motion of mud in the dewatering box, the motion range of increase mud, can be faster carry out dehydration to mud and handle.

(3) This high-efficient clearing machine of mud for municipal administration through opening hot plate and two hot plate work down, can heat the dewatering box inside, and then make mud can fully contact with the heat when the inside motion of dewatering box, and then can carry out quick heating to mud and dry, realize carrying out the operation that the mummification was handled to mud.

Drawings

FIG. 1 is a schematic perspective view of an embodiment of the present invention;

FIG. 2 is a front cross-sectional structural view of FIG. 1;

FIG. 3 is an enlarged view of portion A of FIG. 2;

fig. 4 is a schematic front sectional view of another embodiment of the present invention.

In the figure: 1. a purification box; 2. a dewatering box; 3. a feed port; 4. an arc-shaped bottom plate; 5. a horizontal axis; 6. a vertical axis; 7. a motor; 8. a helical stirring blade; 9. a stirring rod; 10. a drive shaft; 11. a driven bevel gear; 12. a driving bevel gear; 13. a first pulley; 14. a first belt; 15. a U-shaped delivery pipe; 16. a stop valve; 17. filtering with a screen; 18. a reciprocating screw; 19. a movable seat; 20. a connecting shaft; 21. a disc; 22. a material poking rod; 23. a spur gear; 24. a rack; 25. a second pulley; 26. a second belt; 27. a guide bar; 28. a drain pipe; 29. a cover plate; 30. an upper heating plate; 31. a lower heating plate.

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.

In the description of the present invention, it is to be understood that the terms "length", "width", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", and the like indicate orientations or positional relationships based on those shown in the drawings, and are only for convenience of description and simplicity of description, but do not indicate or imply that the referred devices or elements must have a specific orientation, be constructed in a specific orientation, and be operated, and therefore, are not to be construed as limiting the present invention, and in the description of the present invention, "plurality" means two or more unless specifically defined otherwise.

Example one

As shown in fig. 1-3, the present invention provides a technical solution: a municipal sludge high-efficiency purifier comprises a purifying box 1 and a dewatering box 2, wherein the purifying box 1 is fixedly arranged at the top of the dewatering box 2, the top of the purifying box 1 is provided with a feeding hole 3, an arc-shaped bottom plate 4 is fixedly arranged in the purifying box 1, a transverse shaft 5 positioned above the arc-shaped bottom plate 4 is rotatably arranged in the purifying box 1, the inner wall of the top of the purifying box 1 is provided with a mounting hole, a vertical shaft 6 is rotatably arranged in the mounting hole, two ends of the vertical shaft 6 extend out of the mounting hole, the top of the purifying box 1 is fixedly provided with a motor 7, the purifying box 1 is provided with a stirring component and a transmission component, the sludge, a flocculating agent and a purifying agent can be fully stirred and mixed by arranging the stirring component, the purifying effect on the sludge is improved, the vertical shaft 6 and the transverse shaft 5 can rotate simultaneously by arranging the transmission component, a U-shaped conveying pipe 15 is fixedly arranged on the right side wall of the purifying box 1, fixed mounting has stop valve 16 on the U type conveying pipeline 15, and U type conveying pipeline 15 keeps away from the one end fixed mounting of purifying box 1 at the top of dehydration case 2, and the both ends of U type conveying pipeline 15 communicate with purifying box 1 and dehydration case 2 respectively, are provided with dehydration mechanism on the dehydration case 2, through setting up dehydration mechanism, can carry out dehydration to the mud after the purification, realize the solid-liquid separation of mud sewage.

In this embodiment, the stirring subassembly includes heliciform stirring leaf 8 and a plurality of puddler 9, 8 fixed mounting of heliciform stirring leaf is on cross axle 5, the equal fixed mounting of a plurality of puddlers 9 is on vertical axis 6, and a plurality of puddlers 9 are equidistant two bisymmetries and set up, the right-hand member of cross axle 5 and the right-hand member of heliciform stirring leaf 8 all extend to in U type conveying pipeline 15, through the rotation that utilizes heliciform stirring leaf 8, can stir the mud of 1 inside lower floor of purifying box and mix, utilize the rotation of a plurality of puddlers 9, can stir the mud of upper strata in 1 inside of purifying box and mix, and then realize the comprehensive stirring in no dead angle.

In this embodiment, the transmission assembly includes a transmission shaft 10, a driven bevel gear 11, a driving bevel gear 12, two first belt pulleys 13 and a first belt 14, the transmission shaft 10 is rotatably installed in the purification box 1, the transmission shaft 10 is located above the cross shaft 5, the left end of the transmission shaft 10 extends out of the purification box 1, the driven bevel gear 11 is fixedly installed at the right end of the transmission shaft 10, the driving bevel gear 12 is fixedly sleeved on the vertical shaft 6, the driving bevel gear 12 is engaged with the driven bevel gear 11, the left end of the cross shaft 5 extends out of the purification box 1, the two first belt pulleys 13 are respectively fixedly installed at the left end of the cross shaft 5 and the left end of the transmission shaft 10, the first belt 14 is wound on the two first belt pulleys 13, and the transmission of the driving bevel gear 12 and the driven bevel gear 11 is utilized, and the transmission action of the two first belt pulleys 13 and the first belt 14 is utilized to control the transmission shaft 10, The vertical axis 6 and the horizontal axis 5 rotate simultaneously.

In this embodiment, fixed cover is equipped with the bearing on the vertical axis 6, and the outer lane of bearing and the inner wall fixed connection of mounting hole play the effect of supporting and fixing a position the mounted position of vertical axis 6 through setting up the bearing for vertical axis 6 can steady smooth and easy rotation.

In this embodiment, dewatering mechanism includes filter screen 17, reciprocal lead screw 18, sliding seat 19, connecting axle 20, disc 21, a plurality of kickoff poles 22 and drive assembly, filter screen 17 fixed mounting is in dewatering box 2, reciprocal lead screw 18 rotates and installs in dewatering box 2, reciprocal lead screw 18 is located filter screen 17's top, 19 threaded sleeve of sliding seat establishes on reciprocal lead screw 18, connecting axle 20 rotates the bottom of installing at sliding seat 19, disc 21 fixed mounting is in the bottom of connecting axle 20, the equal fixed mounting in disc 21's bottom of a plurality of kickoff poles 22, and a plurality of kickoff poles 22 are the array and arrange, through utilizing filter screen 17, can filter the sewage that carries in the mud.

In this embodiment, the driving assembly includes a straight gear 23, a rack 24, two second pulleys 25 and a second belt 26, the straight gear 23 is fixedly sleeved on the connecting shaft 20, the rack 24 is fixedly installed in the dewatering box 2, the rack 24 is located at the rear side of the connecting shaft 20, the straight gear 23 is engaged with the rack 24, the left end of the reciprocating screw 18 extends out of the dewatering box 2, the two second pulleys 25 are respectively and fixedly installed at the left end of the transverse shaft 5 and the left end of the reciprocating screw 18, the second belt 26 is wound on the two second pulleys 25, the transverse shaft 5 and the reciprocating screw 18 can be controlled to simultaneously rotate by using the transmission action of the two second pulleys 25 and the second belt 26, the plurality of material-shifting rods 22 can be controlled to horizontally reciprocate by using the threaded connection and cooperation of the reciprocating screw 18 and the movable base 19, and the plurality of material-shifting rods 22 can be controlled to horizontally reciprocate, and the connecting shaft 20 can be rotated by using the engagement transmission of the straight gear 23 and the rack 24.

In this embodiment, fixed mounting has the guide bar 27 that is located reciprocal lead screw 18 top in dewatering box 2, the sliding sleeve of sliding seat 19 is established on guide bar 27, fixed cover is equipped with two limit baffle on the guide bar 27, sliding seat 19 is located between two limit baffle, dewatering box 2's left side fixed mounting has drain pipe 28, drain pipe 28 is located the below of filter screen 17, through setting up guide bar 27, play and carry out the effect of leading to sliding seat 19's moving direction, through setting up two limit baffle, play and carry out spacing effect to sliding seat 19's removal stroke, through setting up drain pipe 28, can be with sewage discharge dewatering box 2 outer.

In this embodiment, the discharge opening has been seted up on the front side inner wall of dewatering box 2, has apron 29 through screw fixed mounting on the front side outer wall of dewatering box 2, and apron 29 and discharge opening looks adaptation are convenient for take out the mud after dewatering in dewatering box 2 through setting up discharge opening and apron 29.

In this embodiment, install control switch on the purifying box 1, motor 7 and control switch pass through wire and external power cord electric connection and constitute the return circuit, and the opening and closing of the steerable motor 7 of control switch.

The working principle is as follows: when the device is used, a power supply is switched on, an appropriate amount of sludge is poured into the purifying box 1 from the feed hole 3, the motor 7 is started to work, the motor 7 drives the vertical shaft 6, the stirring rods 9 and the driving bevel gear 12 to rotate, the driving bevel gear 12 is meshed with the driven bevel gear 11 for transmission, the two first belt pulleys 13 and the first belt 14 are used for transmission, the transmission shaft 10, the vertical shaft 6 and the transverse shaft 5 can be controlled to rotate simultaneously, the transverse shaft 5 is used for driving the spiral stirring blade 8 to rotate, the sludge at the lower layer in the purifying box 1 can be stirred and mixed, the vertical shaft 6 is used for driving the stirring rods 9 to rotate, the sludge at the middle and upper layer in the purifying box 1 can be stirred and mixed, the sludge can move fully in the purifying box 1, and the appropriate amount of flocculating agent and purifying agent are poured into the purifying box 1 from the feed hole 3, so that the sludge, the purifying agent and the sludge can be purified, The flocculating agent and the purifying agent are stirred and mixed completely without dead angles, so that the sludge, the flocculating agent and the purifying agent can be mixed quickly and uniformly, the purifying efficiency of the sludge is improved, after the sludge is purified, the purified sludge in the purifying box 1 can be conveyed into the dewatering box 2 by opening the stop valve 16 and utilizing the rotation of the spiral stirring blade 8, when the purified sludge in the purifying box 1 is conveyed into the dewatering box 2 completely, the stop valve is closed, then a proper amount of the sludge, the flocculating agent and the purifying agent can be poured into the purifying box 1 continuously, further the sludge can be purified and treated continuously, the purified sludge in the dewatering box 2 falls onto the filter screen 17, the sewage carried in the sludge can be filtered by the filter screen 17, the sewage is discharged from the drain pipe 28 through the filter holes on the filter screen 17, the sludge solids are remained on the filter screen 17, and the transmission action of the two second belt pulleys 25 and the second belt 26 is utilized, steerable cross axle 5 and reciprocal lead screw 18 rotate simultaneously, and then steerable sliding seat 19, connecting axle 20, disc 21 and a plurality of setting aside the material pole 22 carry out horizontal reciprocating motion, utilize the meshing transmission of spur gear 23 and rack 24, make a plurality of setting aside the material pole 22 carry out horizontal reciprocating motion simultaneously can again use connecting axle 20 as the center to rotate, and then utilize the horizontal reciprocating motion and the rotation of a plurality of setting aside the material pole 22, can accelerate the motion of mud in dewatering box 2, increase the motion range of mud, can be faster carry out dehydration to mud, after accomplishing the sludge dewatering, stop motor 7 work, pull down apron 29, can take out the mud after the dehydration, and then can carry out the processing of next process to the mud after the dehydration.

Example two

As shown in fig. 4, in the second embodiment, a heating unit is added inside the dewatering box 2 on the basis of the first embodiment, so that the function of heating and drying the sludge can be realized.

In this implementation, heating element includes hot plate 30 and two hot plates 31 down, goes up hot plate 30 fixed mounting on the top inner wall of dewatering box 2, and two hot plates 31 are fixed mounting respectively on the left side inner wall and the right side inner wall of dewatering box 2 down, and last hot plate 30 and two hot plates 31 are the electric heating board down.

In this embodiment, the upper heating plate 30 and the two lower heating plates 31 are electrically connected to the control switch to form a loop, the control switch can control the start and stop of the upper heating plate 30 and the two lower heating plates 31, and the dewatering box 2 is made of heat insulation plates.

The working principle is as follows: through the work of starter motor 7, in the sludge dewatering process that purifies, through opening upper heating plate 30 and two lower hot plate 31 works, can heat 2 insides of dewatering box, and then make the inside mud of dewatering box 2 when taking place the motion, mud can fully contact with the inside heat of dewatering box 2, and then can carry out quick stoving to mud, the operation of carrying out the mummification processing to mud is realized, to the mud mummification completion back, stop motor 7 works, close upper heating plate 30 and two lower hot plate 31, pull down apron 29, can take out the mud of mummification, and then conveniently carry out the processing of next process to the mud of mummification, the content of not making detailed description in this description all belongs to the prior art that technical staff in this field known simultaneously.

In conclusion, the municipal sludge efficient purifying machine can be used for stirring and mixing sludge, a flocculating agent and a purifying agent comprehensively without dead angles, so that the sludge, the flocculating agent and the purifying agent can be quickly and uniformly mixed, the sludge purifying efficiency is improved, the municipal sludge efficient purifying machine has the functions of dewatering, heating and drying the sludge, the sludge treating efficiency is improved, and the subsequent recycling, reprocessing and utilization of the sludge are facilitated.

Claims (8)

1. The utility model provides a municipal administration is with high-efficient clearing machine of mud, includes purifying box (1) and dewatering box (2), purifying box (1) fixed mounting in the top of dewatering box (2), its characterized in that: the top of the purification box (1) is provided with a feeding hole (3), an arc-shaped bottom plate (4) is fixedly installed in the purification box (1), a transverse shaft (5) positioned above the arc-shaped bottom plate (4) is installed in the purification box (1) in a rotating mode, a mounting hole is formed in the inner wall of the top of the purification box (1), a vertical shaft (6) is installed in the mounting hole in a rotating mode, two ends of the vertical shaft (6) extend out of the mounting hole, a motor (7) is fixedly installed at the top of the purification box (1), a stirring assembly and a transmission assembly are arranged on the purification box (1), a U-shaped conveying pipe (15) is fixedly installed on the right side wall of the purification box (1), a stop valve (16) is fixedly installed on the U-shaped conveying pipe (15), one end, far away from the purification box (1), of the U-shaped conveying pipe (15) is fixedly installed at the top of the dehydration box (2), the two ends of the U-shaped conveying pipe (15) are respectively communicated with the purifying box (1) and the dewatering box (2), and a dewatering mechanism is arranged on the dewatering box (2).

2. The efficient municipal sludge purifier of claim 1, wherein: stirring subassembly includes heliciform stirring leaf (8) and a plurality of puddler (9), heliciform stirring leaf (8) fixed mounting be in on cross axle (5), it is a plurality of equal fixed mounting of puddler (9) is in on vertical axis (6), and a plurality of puddler (9) are equidistant two bisymmetry settings, the right-hand member of cross axle (5) with the right-hand member of heliciform stirring leaf (8) all extends to in U type conveying pipeline (15).

3. The efficient municipal sludge purifier of claim 1, wherein: the transmission assembly comprises a transmission shaft (10), a driven bevel gear (11), a driving bevel gear (12), two first belt pulleys (13) and a first belt (14), the transmission shaft (10) is rotatably installed in the purifying box (1), the transmission shaft (10) is positioned above the transverse shaft (5), the left end of the transmission shaft (10) extends out of the purifying box (1), the driven bevel gear (11) is fixedly installed at the right end of the transmission shaft (10), the driving bevel gear (12) is fixedly sleeved on the vertical shaft (6), the driving bevel gear (12) is meshed with the driven bevel gear (11), the left end of the transverse shaft (5) extends out of the purifying box (1), and the two first belt pulleys (13) are respectively and fixedly installed at the left end of the transverse shaft (5) and the left end of the transmission shaft (10), the first belt (14) is wound on the two first belt pulleys (13).

4. The efficient municipal sludge purifier of claim 1, wherein: the vertical shaft (6) is fixedly sleeved with a bearing, and the outer ring of the bearing is fixedly connected with the inner wall of the mounting hole.

5. The efficient municipal sludge purifier of claim 1, wherein: dehydration mechanism includes filter screen (17), reciprocal lead screw (18), sliding seat (19), connecting axle (20), disc (21), a plurality of setting aside material pole (22) and drive assembly, filter screen (17) fixed mounting be in dehydration case (2), reciprocal lead screw (18) rotate to be installed in dehydration case (2), reciprocal lead screw (18) are located the top of filter screen (17), sliding seat (19) screw thread cover is established on reciprocal lead screw (18), connecting axle (20) rotate to be installed the bottom of sliding seat (19), disc (21) fixed mounting be in the bottom of connecting axle (20), it is a plurality of set aside the equal fixed mounting of material pole (22) the bottom of disc (21), and it is a plurality of set aside material pole (22) and be the array and arrange.

6. The efficient municipal sludge purifier of claim 5, wherein: drive assembly includes straight-teeth gear (23), rack (24), two second belt pulleys (25) and second belt (26), straight-teeth gear (23) fixed cover is established on connecting axle (20), rack (24) fixed mounting be in dewatering box (2), rack (24) are located the rear side of connecting axle (20), straight-teeth gear (23) with rack (24) meshing, the left end of reciprocal lead screw (18) extends to outside dewatering box (2), two second belt pulley (25) respectively fixed mounting be in the left end of cross axle (5) with the left end of reciprocal lead screw (18), second belt (26) are around establishing two on second belt pulley (25).

7. The efficient municipal sludge purifier of claim 5, wherein: fixed mounting has guide bar (27) that is located reciprocal lead screw (18) top in dewatering box (2), sliding sleeve of sliding seat (19) is established on guide bar (27), fixed cover is equipped with two limit baffle on guide bar (27), sliding seat (19) are located two between the limit baffle, the left side fixed mounting of dewatering box (2) has drain pipe (28), drain pipe (28) are located the below of filter screen (17).

8. The efficient municipal sludge purifier of claim 1, wherein: the material discharging device is characterized in that a material discharging hole is formed in the inner wall of the front side of the dewatering box (2), a cover plate (29) is fixedly mounted on the outer wall of the front side of the dewatering box (2) through screws, and the cover plate (29) is matched with the material discharging hole.

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