阅读说明：本技术 一种离心式泥浆脱水机及脱水处理方法 (Centrifugal slurry dehydrator and dehydration treatment method ) 是由 吴迎莉 于 2020-07-30 设计创作，主要内容包括：本发明涉及一种离心式泥浆脱水机及脱水处理方法,包括支撑底座、第一承托圆盘、第二承托圆盘、离心筒、螺旋进给杆、电机架、驱动电机、传动皮带和进料管,所述支撑底座的顶部开设有矩形槽,矩形槽的内部一端安装有第一承托圆盘,矩形槽的内部另一端安装有第二承托圆盘,离心筒位于第一承托圆盘和第二承托圆盘之间,且离心筒的两端与第一承托圆盘和第二承托圆盘侧壁之间均采用焊接固定,离心筒的内部中心位置设置有螺旋进给杆,螺旋进给杆的一端安装在第一承托圆盘的内部,螺旋进给杆的另一端安装在第二承托圆盘上,第二承托圆盘的另一端中心位置连接有进料管,本发明,具有自动清理滤孔特性,且相对于传统的分离机械,泥浆的分离更加充分。(The invention relates to a centrifugal slurry dehydrator and a dehydration treatment method, which comprises a supporting base, a first supporting disk, a second supporting disk, a centrifugal cylinder, a spiral feeding rod, a motor frame, a driving motor, a transmission belt and a feeding pipe, wherein the top of the supporting base is provided with a rectangular groove, one end inside the rectangular groove is provided with the first supporting disk, the other end inside the rectangular groove is provided with the second supporting disk, the centrifugal cylinder is positioned between the first supporting disk and the second supporting disk, the two ends of the centrifugal cylinder and the side walls of the first supporting disk and the second supporting disk are fixed by welding, the center inside of the centrifugal cylinder is provided with the spiral feeding rod, one end of the spiral feeding rod is arranged inside the first supporting disk, the other end of the spiral feeding rod is arranged on the second supporting disk, the center of the other end of the second supporting disk is connected with the feeding pipe, the invention has the characteristic of automatically cleaning filter holes, and compared with the traditional separation machine, the mud is more fully separated.)

1. The utility model provides a centrifugal mud hydroextractor, includes support base (1), first bearing disc (2), second bearing disc (3), centrifuge tube (4), spiral feed rod (5), motor frame (6), driving motor (7), driving belt (8) and inlet pipe (9), its characterized in that: the top of the supporting base (1) is provided with a rectangular groove, one end inside the rectangular groove is provided with a first bearing disc (2), the other end inside the rectangular groove is provided with a second bearing disc (3), a centrifugal cylinder (4) is positioned between the first bearing disc (2) and the second bearing disc (3), two ends of the centrifugal cylinder (4) and the side walls of the first bearing disc (2) and the second bearing disc (3) are fixed by welding, a spiral feeding rod (5) is arranged at the center inside the centrifugal cylinder (4), one end of the spiral feeding rod (5) is arranged inside the first bearing disc (2), the other end of the spiral feeding rod (5) is arranged on the second bearing disc (3), the center of the other end of the second bearing disc (3) is connected with a feeding pipe (9), the outer wall of the spiral feeding rod (5) positioned at one end of the first bearing disc (2) is welded with a driven gear, a motor frame (6) is installed at one end of the top of the supporting base (1), a driving motor (7) is installed at the top of the motor frame (6), a transmission belt (8) is installed at the output shaft end of the driving motor (7), and the other end of the transmission belt (8) is meshed and connected to a driven gear;

filter holes (41) are formed in the centrifugal cylinder (4) at equal intervals in the circumferential direction;

a first shaft sleeve (11) is arranged at one end of the top of the supporting base (1), a second shaft sleeve (12) is arranged at the other end of the top of the supporting base (1), and the first shaft sleeve (11) and the second shaft sleeve (12) are respectively sleeved at the left end and the right end of the spiral feeding rod (5);

a through hole (31) is formed in the center of the inner part of the second bearing disc (3), one end of the through hole (31) is communicated with the feeding pipe (9), a movable round hole (32) is formed in the inner part of the second bearing disc (3) in the circumferential direction, a first round groove (33) is formed in the movable round hole (32), a first driving tooth block (34) is arranged in the first round groove (33), and a bearing cylinder (35) is welded on the side wall of the second bearing disc (3);

an inserting hole (21) is formed in the center of the inner portion of the first supporting disc (2), a sludge outlet hole (22) is formed in the inner circumferential direction of the first supporting disc (2), a movable circular groove (23) is formed in the inner side wall of the first supporting disc (2) in the circumferential direction, a second circular groove (24) is formed in the inner wall of the movable circular groove (23), and a second driving tooth block (25) is arranged in the second circular groove (24);

a feeding groove (51) is formed in one end of the interior of the spiral feeding rod (5), one end of the feeding groove (51) is connected with the other end of the through hole (31), an inserting groove (54) is formed in the end face, located at one end of the second supporting disc (3), of the spiral feeding rod (5), one end of the spiral feeding rod (5) is inserted into the outer wall of the supporting cylinder (35) through the inserting groove (54), discharge holes (52) are formed in the circumferential direction of the feeding groove (51) at equal intervals, the other end of the spiral feeding rod (5) is inserted into the inserting hole (21), and an L-shaped linkage rod (53) is welded to the outer wall of the spiral feeding rod (5), located at one end of the inserting hole (21);

a cleaning roller (4a) is arranged at the outer side of the centrifugal cylinder (4), conical cleaning lugs (4b) are welded on the outer wall of the cleaning roller (4a) at equal intervals, the conical cleaning lugs (4b) and the filtering holes (41) are of a matched structure, two ends of the cleaning roller (4a) are respectively welded with an inserted rod (4c), the two inserting rods (4c) are respectively inserted into the movable circular groove (23) and the movable circular hole (32) through bearings, the outer walls of the two inserting rods (4c) are respectively welded with linkage gears (4d), the two linkage gears (4d) are respectively positioned in the first circular groove (33) and the second circular groove (24), and the two linkage gears (4d) are respectively meshed with the first driving tooth block (34) and the second driving tooth block (25), and the outer wall of the inserted bar (4c) positioned at one end of the first bearing disc (2) is welded and fixed with the L-shaped linkage bar (53) through spot welding.

2. A centrifugal mud dehydrator according to claim 1 wherein: semicircular grooves (5a) are formed in the joints of the spiral feeding rods (5) and the insertion holes (21), and limiting iron beads (5b) are placed between the semicircular grooves (5 a).

3. A centrifugal mud dehydrator according to claim 1 wherein: the centrifugal cylinder (4) is equivalent to a horizontal plane and has a certain inclination angle, and the inclination angle is 10-15 degrees.

4. A centrifugal mud dehydrator according to claim 1 wherein: the distance between two adjacent conical cleaning convex blocks (4b) in the same circumferential direction is equal to the distance between two adjacent filtering holes (41) in the same circumferential direction.

5. A centrifugal mud dehydrator according to claim 1 wherein: and a steel ball is arranged between the end surface of the bearing cylinder (35) and the inner wall of the insertion groove (54).

6. A centrifugal mud dehydrator according to claim 1 wherein: the side wall of the first supporting disc (2) is provided with a guide plate (2a) at the position below the left side of the sludge outlet hole (22).

7. A centrifugal mud dehydrator according to claim 1 wherein: the centrifugal slurry dehydrator comprises a dehydration treatment method of the centrifugal slurry dehydrator, and specifically comprises the following steps:

s1, slurry conveying: manually connecting a slurry conveying pipeline with a feeding pipe (9) and conveying slurry into a spiral feeding rod (5);

s2, centrifugal separation: the driving motor (7) is manually controlled to work, the running driving motor (7) drives the spiral feeding rod (5) under the action of the transmission belt (8), so that slurry in the spiral feeding rod (5) is thrown and attached to the inner wall of the centrifugal cylinder (4) from the discharge hole (52) under the action of centrifugal force, water in the slurry is thrown out from the filter hole (41), sludge particles in the slurry are remained on the inner wall of the centrifugal cylinder (4), and centrifugal separation of the sludge particles and the water is realized;

s3, transporting sludge particles: the driving motor (7) drives the spiral feeding rod (5) to rotate, so that sludge particles attached to the inner wall of the centrifugal cylinder (4) are conveyed to the sludge outlet hole (22) under the pushing of the spiral feeding rod (5), and then fall along the guide plate (2a) under the action of self gravity;

s4, cleaning filter holes: when the spiral feeding rod (5) rotates under the driving of the driving motor (7), the spiral feeding rod (5) drives the L-shaped linkage rod (53) to rotate together, the rotating L-shaped linkage rod (53) drives the cleaning roller (4a) to do circular motion on the outer wall of the centrifugal cylinder (4) along the movable circular groove (23) and the movable circular hole (32), meanwhile, the linkage gear (4d) is respectively contacted with the first driving tooth block (34) and the second driving tooth block (25), the linkage gear (4d) rotates, the conical cleaning lug (4b) intermittently enters the filter hole (41), and the filter hole (41) is cleaned through the conical cleaning lug (4 b).

Technical Field

The invention relates to the technical field of sewage treatment, in particular to a centrifugal slurry dehydrator and a dehydration treatment method.

Background

The slurry concentration mainly means that the solid content of the discharged slurry is effectively improved by utilizing the gravity characteristic, if the sewage is treated by only utilizing a gravity concentration tank, a large amount of time is consumed, and organic matters in the sewage are decayed and smelled due to the action of microorganisms, so that the sanitary condition of a sewage treatment plant is seriously influenced. Therefore, in the actual treatment process, after the water content of the sludge is reduced to 94% -96% by using the gravity concentration tank, the water content of the sludge needs to be reduced to below 80% by using sludge dewatering equipment, so that the later transportation and disposal work is facilitated. Currently common sludge dewatering devices are belt filter presses, centrifugal dewaterers, and plate and frame filter presses.

The centrifugal slurry dehydrator in the current market has the following problems in the use process, that a, as sludge particles in slurry are thrown out at a high speed in the use process of the traditional centrifugal slurry dehydrator, part of the sludge particles can be attached to the periphery of the filter holes, so that the acting radius of the filter holes is reduced, the separation efficiency of the slurry in water is influenced, and in the serious condition, the filter holes can be blocked, so that the separation process cannot be normally executed; b. the existing centrifugal slurry dewaterer is horizontally arranged, so that after the slurry is separated, part of water in the slurry still remains in the centrifugal cylinder, and the separation of the slurry is insufficient.

Disclosure of Invention

In order to solve the above problems, the present invention provides a centrifugal slurry dehydrator which can solve the problems as set forth in the above background art.

In order to achieve the purpose, the invention adopts the following technical scheme to realize the purpose: a centrifugal slurry dehydrator comprises a supporting base, a first supporting disc, a second supporting disc, a centrifugal cylinder, a spiral feeding rod, a motor frame, a driving motor, a transmission belt and a feeding pipe, wherein a rectangular groove is formed in the top of the supporting base, the first supporting disc is installed at one end inside the rectangular groove, the second supporting disc is installed at the other end inside the rectangular groove, the centrifugal cylinder is located between the first supporting disc and the second supporting disc, the two ends of the centrifugal cylinder and the side walls of the first supporting disc and the second supporting disc are fixedly welded, the spiral feeding rod is arranged in the centrifugal cylinder at the center position inside the centrifugal cylinder, one end of the spiral feeding rod is installed inside the first supporting disc, the other end of the spiral feeding rod is installed on the second supporting disc, the feeding pipe is connected to the center position of the other end of the second supporting disc, and a driven gear is welded on the outer wall of the spiral feeding rod located at one end of the first, a motor frame is arranged at one end of the top of the supporting base, a driving motor is arranged at the top of the motor frame, a transmission belt is arranged at the output shaft end of the driving motor, and the other end of the transmission belt is meshed and connected to the driven gear;

filter holes are formed in the centrifugal cylinder at equal intervals in the circumferential direction;

a first shaft sleeve is arranged at one end of the top of the supporting base, a second shaft sleeve is arranged at the other end of the top of the supporting base, and the first shaft sleeve and the second shaft sleeve are respectively sleeved at the left end and the right end of the spiral feeding rod;

a through hole is formed in the center of the inner part of the second bearing disc, one end of the through hole is communicated with the feeding pipe, movable round holes are circumferentially formed in the inner part of the second bearing disc, a first round groove is formed in the movable round holes, a first driving tooth block is arranged in the first round groove, and a bearing cylinder is welded on the side wall of the second bearing disc;

the inner center of the first bearing disc is provided with an inserting hole, the inner side of the first bearing disc is circumferentially provided with a sludge outlet hole, the inner side wall of the first bearing disc is circumferentially provided with a movable circular groove, the inner wall of the movable circular groove is provided with a second circular groove, and a second driving tooth block is arranged inside the second circular groove;

a feeding groove is formed in one end inside the spiral feeding rod, one end of the feeding groove is connected with the other end of the through hole, an inserting groove is formed in the end face, located at one end of the second bearing disc, of the spiral feeding rod, one end of the spiral feeding rod is inserted into the outer wall of the bearing cylinder through the inserting groove, discharging holes are formed in the circumferential direction of the feeding groove at equal intervals, the other end of the spiral feeding rod is inserted into the inserting hole, and an L-shaped linkage rod is welded to the outer wall of the spiral feeding rod, located at one end of the inserting hole;

the outer side position of centrifuge bowl is provided with the cleaning roller, and the equidistant welding of outer wall of cleaning roller has the toper to wash the lug, and the toper is washed the lug and is the cooperation structure with the filtration pore, and the inserted bar has been welded respectively at the both ends of cleaning roller, and two the inserted bar is pegged graft respectively in activity circular slot and activity circular slot through the bearing, two the outer wall of inserted bar has all welded the linkage gear, two the linkage gear is located first circular slot and second circular slot respectively, and two the linkage gear is connected with first drive tooth piece and second drive tooth piece meshing respectively, and the inserted bar outer wall that is located first bearing disc one end is through spot welding and L type gangbar welded fastening.

Furthermore, semicircular grooves are formed in the joints of the spiral feeding rods and the insertion holes, and two limiting iron beads are placed between the semicircular grooves.

Furthermore, the centrifugal cylinder is equivalent to a horizontal plane and has a certain inclination angle, and the inclination angle is 10-15 degrees.

Furthermore, the distance between two adjacent conical cleaning lugs in the same circumferential direction is equal to the distance between two adjacent filtering holes in the same circumferential direction.

Furthermore, a steel ball is arranged between the end face of the bearing cylinder and the inner wall of the insertion groove.

Furthermore, a guide plate is arranged on the side wall of the first bearing disc and positioned at the left lower position of the sludge outlet hole.

In addition, the invention also provides a dehydration treatment method of the centrifugal slurry dehydrator, which comprises the following steps:

s1, slurry conveying: manually connecting a slurry conveying pipeline with a feeding pipe, and conveying slurry into a spiral feeding rod;

s2, centrifugal separation: the driving motor is manually controlled to work, the running driving motor drives the spiral feeding rod under the action of the transmission belt, so that slurry in the spiral feeding rod is thrown and attached to the inner wall of the centrifugal cylinder from the discharge hole under the action of centrifugal force, water in the slurry is thrown out from the filter hole, and sludge particles in the slurry are remained on the inner wall of the centrifugal cylinder, so that the centrifugal separation of the sludge particles and the water is realized;

s3, transporting sludge particles: the driving motor drives the spiral feeding rod to rotate, so that sludge particles attached to the inner wall of the centrifugal cylinder are conveyed to the sludge outlet hole under the pushing of the spiral feeding rod, and then the sludge particles fall along the guide plate under the action of self gravity;

s4, cleaning filter holes: when the spiral feeding rod rotates under the driving of the driving motor, the spiral feeding rod drives the L-shaped linkage rod to rotate together, the rotating L-shaped linkage rod drives the cleaning roller to do circular motion on the outer wall of the centrifugal cylinder along the movable circular groove and the movable circular hole, and the linkage gear is in contact with the first driving tooth block and the second driving tooth block respectively, so that the linkage gear rotates, the conical cleaning lug intermittently enters the filter hole, and the filter hole is cleaned through the conical cleaning lug.

The invention has the beneficial effects that:

1. the centrifugal slurry dehydrator provided by the invention is used for separating slurry through a centrifugal effect, separated water flows out of the filter holes, and separated sludge particles are separated from the centrifugal cylinder under the action of the spiral feed rod, so that the water and the sludge particles in the slurry are separated.

2. According to the centrifugal slurry dehydrator, a certain inclination angle exists between the centrifugal cylinder and the horizontal plane, and after slurry is separated, part of water which is not thrown out slides down along the centrifugal cylinder and then flows out along the filtering holes, so that the separation of the slurry can be fully performed.

Drawings

The invention is further illustrated with reference to the following figures and examples.

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

FIG. 2 is a side view of a first retainer disk of the present invention;

FIG. 3 is an enlarged view of the structure of the area A in FIG. 1 according to the present invention;

FIG. 4 is an enlarged view of the structure of the area C in FIG. 1 according to the present invention;

fig. 5 is a flow chart of the present invention.

Detailed Description

In order to make the technical problems, technical solutions and advantageous effects to be solved by the present invention more clearly apparent, the present invention is further described in detail below with reference to the accompanying drawings and embodiments. It should be understood that the specific embodiments described herein are merely illustrative of the invention and are not intended to limit the invention.

As shown in fig. 1 to 5, a centrifugal slurry dehydrator comprises a supporting base 1, a first supporting disk 2, a second supporting disk 3, a centrifugal cylinder 4, a spiral feeding rod 5, a motor frame 6, a driving motor 7, a transmission belt 8 and a feeding pipe 9, wherein a rectangular groove is formed in the top of the supporting base 1, the first supporting disk 2 is installed at one end inside the rectangular groove, the second supporting disk 3 is installed at the other end inside the rectangular groove, the centrifugal cylinder 4 is located between the first supporting disk 2 and the second supporting disk 3, the two ends of the centrifugal cylinder 4 and the side walls of the first supporting disk 2 and the second supporting disk 3 are fixed by welding, the spiral feeding rod 5 is arranged in the central position inside the centrifugal cylinder 4, one end of the spiral feeding rod 5 is installed inside the first supporting disk 2, the other end of the spiral feeding rod 5 is installed on the second supporting disk 3, the center of the other end of the second bearing disc 3 is connected with a feeding pipe 9, the outer wall of a spiral feeding rod 5 positioned at one end of the first bearing disc 2 is welded with a driven gear, one end of the top of the supporting base 1 is provided with a motor frame 6, the top of the motor frame 6 is provided with a driving motor 7, the output shaft end of the driving motor 7 is provided with a transmission belt 8, and the other end of the transmission belt 8 is meshed and connected with the driven gear;

the interior of the centrifugal cylinder 4 is provided with filter holes 41 at equal intervals along the circumferential direction;

a first shaft sleeve 11 is arranged at one end of the top of the supporting base 1, a second shaft sleeve 12 is arranged at the other end of the top of the supporting base 1, and the first shaft sleeve 11 and the second shaft sleeve 12 are respectively sleeved at the left end and the right end of the spiral feeding rod 5;

a through hole 31 is formed in the center of the inner part of the second supporting disc 3, one end of the through hole 31 is communicated with the feeding pipe 9, a movable circular hole 32 is formed in the inner part of the second supporting disc 3 in the circumferential direction, a first circular groove 33 is formed in the movable circular hole 32, a first driving tooth block 34 is arranged in the first circular groove 33, and a supporting cylinder 35 is welded on the side wall of the second supporting disc 3;

an inserting hole 21 is formed in the center of the inner portion of the first supporting disc 2, a sludge outlet hole 22 is formed in the inner portion of the first supporting disc 2 in the circumferential direction, a movable circular groove 23 is formed in the inner side wall of the first supporting disc 2 in the circumferential direction, a second circular groove 24 is formed in the inner wall of the movable circular groove 23, and a second driving tooth block 25 is arranged in the second circular groove 24;

the feeding groove 51 is formed in one end inside the spiral feeding rod 5, one end of the feeding groove 51 is connected with the other end of the through hole 31, the insertion groove 54 is formed in the end face, located at one end of the second supporting disc 3, of the spiral feeding rod 5, one end of the spiral feeding rod 5 is inserted into the outer wall of the supporting cylinder 35 through the insertion groove 54, discharge holes 52 are formed in the circumferential direction of the feeding groove 51 at equal intervals, the other end of the spiral feeding rod 5 is inserted into the insertion hole 21, an L-shaped linkage rod 53 is welded to the outer wall of the spiral feeding rod 5, located at one end of the insertion hole 21, during specific work, the feeding pipe 9 is manually connected with the slurry conveying pipeline, the slurry conveying pipeline is manually controlled to work, slurry enters the feeding groove 51 inside the feeding pipe 9 along the slurry conveying pipeline, then the driving motor 7 is manually controlled to work, and the spiral feeding rod 5 is, the mud entering the feeding groove 51 has centrifugal force, under the action of the centrifugal force, the mud is thrown into the centrifugal cylinder 4 along the discharging hole 52 immediately, as the specific gravity of the mud particles in the mud is larger and the centrifugal force is also larger, the mud is thrown and attached on the inner wall of the centrifugal cylinder 4 to form a solid layer, the density of water in the mud is small, the centrifugal force is small, a liquid layer is formed on the inner side of the solid layer, and then the liquid layer flows out along the filtering hole 41, so that the centrifugal separation of the mud is realized, then, the rotating spiral feeding rod 5 slowly pushes the mud particles thrown and attached on the inner wall of the centrifugal cylinder 4 to slowly move to the mud outlet hole 22, and then the mud particles fall from the guide plate 2a under the action of the self gravity of the mud particles, so that the classified collection of the water;

half slot 5a, two have all been seted up to the junction of spiral feed rod 5 and spliced eye 21 spacing iron pearl 5b has been placed between half slot 5a, when spiral feed rod 5 rotated under driving motor 7's drive, because spacing iron pearl 5b is two move between half slot 5a, alright prescribe a limit to the axial position of spiral feed rod 5 through half slot 5a and spacing iron pearl 5 b's cooperation, prevent that spiral feed rod 5 from taking place the skew.

The centrifugal cylinder 4 has a certain inclination angle corresponding to the horizontal plane, and the inclination angle is 10-15 degrees, so that the centrifugal cylinder 4 has a certain inclination angle, and after the mud is separated, part of the water which is not thrown out slides down along the centrifugal cylinder 4 and then flows out along the filtering holes 41.

The guide plate 2a is arranged on the side wall of the first bearing disc 2 and positioned at the left lower position of the sludge outlet hole 22, and when separated sludge particles are separated from the sludge outlet hole 22, the separated sludge particles fall along the guide plate 2a, so that the separated sludge particles can be collected conveniently.

Be provided with the steel ball between the terminal surface of bearing cylinder 35 and the inner wall of inserting groove 54, reduce the frictional force between bearing cylinder 35 and the inserting groove 54, reduce the wearing and tearing between bearing cylinder 35 and the inserting groove 54.

The outer side of the centrifugal cylinder 4 is provided with a cleaning roller 4a, the outer wall of the cleaning roller 4a is welded with conical cleaning lugs 4b at equal intervals, the conical cleaning lugs 4b and the filter holes 41 are of a matched structure, two ends of the cleaning roller 4a are respectively welded with inserting rods 4c, the two inserting rods 4c are respectively inserted into the movable circular groove 23 and the movable circular hole 32 through bearings, the outer walls of the two inserting rods 4c are respectively welded with linkage gears 4d, the two linkage gears 4d are respectively positioned in the first circular groove 33 and the second circular groove 24, the two linkage gears 4d are respectively meshed with the first driving toothed block 34 and the second driving toothed block 25, the outer wall of the inserting rod 4c positioned at one end of the first bearing disc 2 is welded and fixed with the L-shaped linkage rod 53 through spot welding, when the spiral feeding rod 5 rotates under the driving of the driving motor 7 during specific work, the rotary spiral feeding rod 5 simultaneously drives the L-shaped linkage rod 53 to rotate, when the L-shaped linkage rod 53 rotates, the cleaning roller 4a is driven to do circular motion on the outer wall of the centrifugal cylinder 4 along the movable circular groove 23 and the movable circular hole 32, meanwhile, the linkage gear 4d is respectively contacted with the first driving tooth block 34 and the second driving tooth block 25, so that the linkage gear 4d rotates, the conical cleaning lug 4b intermittently enters the filter hole 41, residual sludge particles in the filter hole 41 are punched through the conical cleaning lug 4b, and the condition that the filter hole 41 is blocked cannot occur at any time in the centrifugal separation process is guaranteed.

The distance between two adjacent conical cleaning convex blocks 4b in the same circumferential direction is equal to the distance between two adjacent filtering holes 41 in the same circumferential direction, and when the L-shaped linkage rod 53 rotates, the cleaning roller 4a is driven to do circular motion on the outer wall of the centrifugal cylinder 4 along the movable circular groove 23 and the movable circular hole 32, so that the conical cleaning convex blocks 4b can smoothly enter the filtering holes 41.

In addition, the invention also provides a dehydration treatment method of the centrifugal slurry dehydrator, which comprises the following steps:

s1, slurry conveying: manually connecting a slurry conveying pipeline with a feeding pipe 9, and conveying the slurry into the spiral feeding rod 5;

s2, centrifugal separation: the driving motor 7 is manually controlled to work, the running driving motor 7 drives the spiral feeding rod 5 under the action of the transmission belt 8, so that slurry in the spiral feeding rod 5 is thrown and attached to the inner wall of the centrifugal cylinder 4 from the discharge hole 52 under the action of centrifugal force, water in the slurry is thrown out from the filtering hole 41, sludge particles in the slurry are remained on the inner wall of the centrifugal cylinder 4, and centrifugal separation of the sludge particles and the water is realized;

s3, transporting sludge particles: the driving motor 7 drives the spiral feeding rod 5 to rotate, so that sludge particles tightly attached to the inner wall of the centrifugal cylinder 4 are conveyed to the sludge outlet hole 22 under the pushing of the spiral feeding rod 5, and then the sludge particles fall along the guide plate 2a under the action of self gravity;

s4, cleaning filter holes: when the spiral feeding rod 5 rotates under the driving of the driving motor 7, the spiral feeding rod 5 drives the L-shaped linkage rod 53 to rotate together, the rotating L-shaped linkage rod 53 drives the cleaning roller 4a to do circular motion on the outer wall of the centrifugal cylinder 4 along the movable circular groove 23 and the movable circular hole 32, and the linkage gear 4d is in contact with the first driving tooth block 34 and the second driving tooth block 25 respectively, so that the linkage gear 4d rotates, the conical cleaning lug 4b intermittently enters the filter hole 41, and the filter hole 41 is cleaned through the conical cleaning lug 4 b.

The foregoing illustrates and describes the principles, general features, and advantages of the present invention. It will be understood by those skilled in the art that the present invention is not limited to the embodiments described above, which are given by way of illustration of the principles of the present invention, and that various changes and modifications may be made without departing from the spirit and scope of the invention as defined by the appended claims. The scope of the invention is defined by the appended claims and equivalents thereof.