CN213803447U - Basin water pollution administers and uses sludge dewatering device - Google Patents

Abstract

The utility model relates to the technical field of sludge dewatering equipment, in particular to a sludge dewatering device for treating watershed water pollution, which comprises a reaction box, wherein a filter plate is arranged in the reaction box, the bottom end of the reaction box is provided with a base, one side of the reaction box is provided with a concentration mechanism, the concentration mechanism comprises an outer barrel, two lantern rings which are distributed at intervals are arranged in the outer barrel, an inner filter cylinder is arranged in the outer barrel, one end of the inner filter cylinder is sealed and is opened, one side outside the outer barrel is provided with a pipeline, one end of the pipeline is sealed and is opened, a first conveying screw rod is arranged in the pipeline, a second conveying screw rod is arranged in the inner filter cylinder, a first rotating shaft is arranged in the outer barrel, and an overflow bent pipe is communicated between the upper end of one side of the reaction box and the top of the pipeline; through setting up crushing mechanism, the monodentate roller rotates and cooperates the inside knurling of the reaction box with the opposite side of monodentate roller to carry out crushing treatment to the mud between monodentate roller and the reaction box, thereby smash the mud that the granule is big, the hardness is big and reach and can handle the size.

Description

Basin water pollution administers and uses sludge dewatering device

Technical Field

The utility model relates to a sludge dewatering equipment technical field especially relates to a basin water pollution administers and uses sludge dewatering device.

Background

River sludge brings great harm to the environment, and the more important harm is that the river sludge is difficult to naturally dry due to strong water absorption caused by the colloidal property of the river sludge. In the prior art, harmful substances such as stink, germs and the like can be effectively eliminated by dewatering sludge. The sludge is dehydrated to form a dry and hard sludge cake with extremely low water content, harmful substances flow out along with water, and the sludge cake has no viscosity, is dry on the surface, has no odor and can stabilize the sludge.

The screw of the existing screw press dehydrator is installed in a cylinder composed of a filter screen, the diameter of the screw body gradually becomes thicker from the inlet to the outlet of the dehydrated raw material, and the dehydrated raw material is gradually compressed as the volume between the screw blades gradually becomes smaller. Solid and liquid in the dehydration raw material are separated by compression, filtrate is discharged through meshes of a filter screen, flows to a filtrate collecting tank below a dehydrator and is discharged to the outside of the machine, and sludge with large particles and high hardness cannot be discharged from the tail end of a screw due to large volume on one hand, and cannot be completely compressed on the other hand; since the sludge with large particles and high hardness in the sludge directly enters the dehydrator without being filtered and can cause adverse effects on the normal operation of a machine, the dehydration quality and the cake forming, the sludge dehydrating device for treating the water pollution of the drainage basin is provided.

SUMMERY OF THE UTILITY MODEL

The utility model aims at solving the problem that the existing screw squeezing dehydrator does not have the defects of filtering sludge with large particles and high hardness in the prior art, and providing the sludge dehydrating device for treating the water pollution in the drainage basin.

In order to achieve the above purpose, the utility model adopts the following technical scheme:

the sludge dewatering device for treating the watershed water pollution comprises a reaction box, wherein a filter plate is arranged in the reaction box, the filter plate is fixedly connected with the reaction box and divides the reaction box into two chambers, a base is arranged at the bottom end of the reaction box, stand columns are fixedly arranged at four corners of the bottom of the reaction box, the bottom ends of the stand columns are fixedly arranged on the base, a concentration mechanism is arranged on one side of the reaction box and comprises an outer barrel body, two lantern rings which are distributed at intervals are arranged in the outer barrel body, an outer ring of each lantern ring is fixedly connected with an inner ring of the outer barrel body, an inner filter cylinder is arranged in the outer barrel body, one end of each inner filter cylinder is sealed and provided with an opening, two ends of each inner filter cylinder respectively penetrate through the lantern rings on two sides, the two ends of each inner filter cylinder are respectively and rotatably arranged in the lantern rings, a pipeline is arranged on one side outside the outer barrel body, and one end of the pipeline is sealed and provided with an opening, one end of the pipeline penetrates through the outer cylinder and is rotatably arranged at the sealing end of the inner filter cylinder, the pipeline is fixedly connected with the outer cylinder, the pipeline is communicated with the inner filter cylinder, a first conveying screw is arranged in the pipeline, one end of the first conveying screw is fixedly provided with a connecting shaft, one end of the connecting shaft penetrates through the sealing end of the pipeline and is rotatably arranged on the reaction box, a second conveying screw is arranged in the inner filter cylinder, one end of the second conveying screw is fixedly connected with the first conveying screw, a first rotating shaft is arranged in the outer cylinder, one end of the first rotating shaft is fixedly connected with the second conveying screw, the other end of the first rotating shaft penetrates through the outer cylinder and is rotatably arranged on the outer cylinder, a driving mechanism is arranged outside the outer cylinder, an overflow elbow is communicated between the upper end of one side of the reaction box and the top of the pipeline, and a water outlet is formed in the bottom of the outer cylinder, and one end of the bottom of the outer cylinder body is communicated with a discharge pipe.

Preferably, the filter plate is not equipped with crushing mechanism in the cavity that communicates with the overflow return bend, crushing mechanism includes the single fluted roller, the single fluted roller is located filter plate one side upper end, rotatable setting is inboard at the reaction box respectively in single fluted roller both ends, be equipped with the knurling with the opposite side of single fluted roller in the reaction box.

Preferably, the bottom end of the outer cylinder body is provided with a dewatering mechanism, the dewatering mechanism comprises a lower filter cylinder, one end of the lower filter cylinder is sealed, one end of the lower filter cylinder is open, one end of the top of the lower filter cylinder is communicated with the bottom end of the discharge pipe, two ends of the bottom of the lower filter cylinder are both fixedly provided with a support seat, a second collection box is arranged between the two support seats, the bottom end of the outer cylinder body is provided with a first collection box, the first collection box is positioned under the water outlet, two ends of the bottom of the first collection box are both fixedly provided with a support plate, the bottom ends of the support plates are both fixedly arranged at the top of the lower filter cylinder, a third conveying screw rod is arranged in the lower filter cylinder, one end of the third conveying screw rod is rotatably arranged at the sealing end of the lower filter cylinder, the diameter of the third conveying screw rod in the direction from the sealing end of the lower filter cylinder to the opening end gradually becomes thick, and one end of the third conveying screw rod extends out of the lower filter cylinder, the utility model discloses a hydraulic cylinder, including a support seat, a back pressure ring, a support seat, a back pressure ring, a third collecting box, a back pressure ring, a third collecting box, a third.

Preferably, the driving mechanism comprises a motor, the motor is fixedly installed on the reaction box, the output end of the motor penetrates through the reaction box and is fixedly connected with the single-tooth roller, a second rotating shaft is rotatably installed on the outer side of the reaction box, the second rotating shaft penetrates through the reaction box and is fixedly connected with the single-tooth roller, a plate block is arranged between two upright columns located on the same side, two ends of the plate block are respectively and fixedly connected with the upright columns, a third rotating shaft is rotatably installed on the plate block, the third rotating shaft penetrates through the plate block, first chain wheels are fixedly installed at one end of the third rotating shaft and the end of the second rotating shaft, a first bevel gear is fixedly installed between the two first chain wheels, a fourth rotating shaft is rotatably installed on the L-shaped plate, one end of the fourth rotating shaft sequentially penetrates through the L-shaped plate, a third conveying screw and the lower filter cylinder, the four rotating shafts are fixedly connected with the third conveying screw rod, one end of the fourth rotating shaft is fixedly provided with a second bevel gear, the second bevel gear is meshed with the first bevel gear, the other end of the fourth rotating shaft is fixedly provided with a first gear, the upper end of the outer side of the lower filter cylinder is rotatably provided with a fifth rotating shaft, the fifth rotating shaft is fixedly provided with a second gear, the second gear is meshed with the first gear, the end parts of the first rotating shaft and the fifth rotating shaft are fixedly provided with second chain wheels, the two second chain wheels are driven by a second chain, the two ends of the top of the outer cylinder are fixedly provided with supporting blocks, the outer cylinder is provided with an arc-shaped opening, the inner filter cylinder is externally sleeved with a gear ring which is fixedly connected with the inner filter cylinder, a sixth rotating shaft is arranged between the two supporting blocks, and the two ends of the sixth rotating shaft are respectively rotatably arranged on, and a third gear is fixedly mounted on the sixth rotating shaft, penetrates through the arc-shaped opening and is meshed with the gear ring, the sixth rotating shaft penetrates through the supporting block on one side, third chain wheels are fixedly mounted on the end part of the sixth rotating shaft, the first rotating shaft and the second rotating shaft, and the third chain wheels are driven by a third chain.

The utility model provides a pair of basin water pollution administers and uses sludge dewatering device, beneficial effect lies in: through setting up broken mechanism, the single fluted roller rotates and cooperates the knurling of the opposite side with the single fluted roller in the reaction box, thereby carry out broken handle to the mud between single fluted roller and the reaction box, thereby big with the granule, the big mud of hardness is smashed and is reached and can handle the size, can filter the large granule mud that does not effectively smash through setting up the filter plate, thereby the large granule, the big mud of hardness is preserved in the reaction box, avoid the large granule, the big mud of hardness gets into the normal operating to equipment in the equipment, the adverse effect that dehydration quality and mud cake shaping caused.

Drawings

Fig. 1 is a schematic structural view of the sludge dewatering device for treating the water pollution in the drainage basin of the utility model.

Fig. 2 is a first cross-sectional view of the sludge dewatering device for treating the water pollution in the drainage basin.

Fig. 3 is a second cross-sectional view of the sludge dewatering device for treating the water pollution in the drainage basin of the utility model.

Fig. 4 is a third cross-sectional view of the sludge dewatering device for treating the water pollution in the drainage basin of the utility model.

Fig. 5 is a fourth cross-sectional view of the sludge dewatering device for treating the water pollution in the drainage basin of the present invention.

Fig. 6 is an enlarged schematic view of a point a in fig. 5 of the sludge dewatering device for treating basin water pollution according to the present invention.

FIG. 7 is a side view of the sludge dewatering device for treating the water pollution in the drainage basin of the present invention.

In the figure: the device comprises a reaction box 1, a base 2, a column 3, an outer cylinder 4, an inner filter cylinder 5, a lantern ring 6, a pipeline 7, a first conveying screw 8, a second conveying screw 9, a first rotating shaft 10, an overflow elbow 11, a water outlet 12, a discharge pipe 13, a filter plate 14, a single-tooth roller 15, a lower filter cylinder 16, a supporting seat 17, a first collection box 18, a supporting plate 19, a third conveying screw 20, a second collection box 21, an L-shaped plate 22, a back pressure ring 23, an annular gap 24, a hydraulic cylinder 25, a third collection box 26, a motor 27, a second rotating shaft 28, a plate 29, a third rotating shaft 30, a first chain wheel 31, a first chain 32, a first bevel gear 33, a fourth rotating shaft 34, a second bevel gear 35, a first gear 36, a fifth rotating shaft 37, a second gear 38, a second chain wheel 39, a second chain 40, a supporting block 41, an arc-shaped opening 42, a gear ring 43, a sixth rotating shaft 44, a third chain wheel 45, a third chain 46, A connecting shaft 47 and a third gear 48.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments.

Example 1:

referring to fig. 1-7, a sludge dewatering device for treating watershed water pollution, comprising a reaction box 1, a filter plate 14 is arranged in the reaction box 1, the filter plate 14 is fixedly connected with the reaction box 1 and divides the reaction box 1 into two chambers, a base 2 is arranged at the bottom end of the reaction box 1, upright columns 3 are fixedly arranged at four corners of the bottom of the reaction box 1, the bottom ends of the upright columns 3 are fixedly arranged on the base 2, a concentration mechanism is arranged at one side of the reaction box 1, the concentration mechanism comprises an outer cylinder 4, two lantern rings 6 which are distributed at intervals are arranged in the outer cylinder 4, the outer rings of the lantern rings 6 are fixedly connected with the inner ring of the outer cylinder 4, an inner filter cylinder 5 is arranged in the outer cylinder 4, one end of the inner filter cylinder 5 is sealed and the other end is opened, two ends of the inner filter cylinder 5 respectively penetrate through the lantern rings 6 at two sides, the two ends of the inner filter cylinder 5 are respectively rotatably arranged in the lantern rings 6, a pipeline 7 is arranged at one side outside the outer cylinder 4, one end of the pipeline 7 is sealed and the other end is opened, one end of a pipeline 7 penetrates through the outer cylinder 4 and is rotatably arranged at the sealing end of the inner filter cylinder 5, the pipeline 7 is fixedly connected with the outer cylinder 4, the pipeline 7 is communicated with the inner filter cylinder 5, a first conveying screw 8 is arranged in the pipeline 7, one end of the first conveying screw 8 is fixedly provided with a connecting shaft 47, one end of the connecting shaft 47 penetrates through the sealing end of the pipeline 7 and is rotatably arranged on the reaction box 1, a second conveying screw 9 is arranged in the inner filter cylinder 5, one end of the second conveying screw 9 is fixedly connected with the first conveying screw 8, a first rotating shaft 10 is arranged in the outer cylinder 4, one end of the first rotating shaft 10 is fixedly connected with the second conveying screw 9, the other end of the first rotating shaft 10 penetrates through the outer cylinder 4 and is rotatably arranged on the outer cylinder 4, a driving mechanism is arranged outside the outer cylinder 4, an overflow elbow 11 is communicated between the upper end of one side of the reaction box 1 and the top of the pipeline 7, the bottom of the outer cylinder 4 is provided with a water outlet 12, 4 bottom one end intercommunications of outer barrel have discharging pipe 13, 2 bottoms of base are equipped with the shock pad, the vibrations that slow down the device during operation and produce, first conveying screw 8 and the 9 surfaces of second conveying screw all are equipped with the zinc coating, can strengthen the corrosion resistance performance of first conveying screw 8 and second conveying screw 9, the filter plate 14 is equipped with crushing mechanism in the cavity with overflow return bend 11 intercommunication, crushing mechanism includes single fluted roller 15, single fluted roller 15 is located 14 one side upper ends of filter plate, the rotatable setting in reaction box 1 inboard respectively in single fluted roller 15 both ends, be equipped with the knurling with the opposite side of single fluted roller 15 in the reaction box 1.

Before the device works, sludge and flocculating agent are firstly added into a reaction box 1, the sludge and the flocculating agent are both added into the reaction box 1 between a single-tooth roller 15 and the reaction box 1, the sludge between the single-tooth roller 15 and the reaction box 1 is crushed by arranging a crushing mechanism, the single-tooth roller 15 rotates and is matched with embossing on the opposite side of the single-tooth roller 15 in the reaction box 1, so that the sludge with large particles and hardness is crushed and can reach a treatment size, meanwhile, the sludge is flocculated by the flocculating agent and is matched with the stirring effect of the rotation of the single-tooth roller 15 to form a floc with certain strength, a solid-liquid mixture containing a large amount of free water enters a pipeline 7 through a filter plate 14 and an overflow elbow 11 by arranging the filter plate 14, the filter plate 14 can filter large-particle sludge which is not effectively crushed, so that the large-particle sludge with large particle and hardness is retained in the reaction box 1, avoid the sludge with large particles and hardness from entering the equipment to cause adverse effects on the normal operation, the dehydration quality and the mud cake forming of the equipment.

The sludge entering the pipeline 7 is conveyed into the inner filter cylinder 5 through the first conveying screw 8, the sludge is filtered by the inner filter cylinder 5, part of water is filtered out into the outer cylinder 4, the water in the outer cylinder 4 is discharged from the water outlet 12, the sludge is conveyed by the second conveying screw 9, discharged from the inner filter cylinder 5 and falls into the outer cylinder 4, and the sludge in the outer cylinder 4 is discharged from the discharge pipe 13.

Example 2:

referring to fig. 1 to 7, as another preferred embodiment of the present invention, the difference from embodiment 1 is that a bottom end of the outer cylinder 4 is provided with a dewatering mechanism, the dewatering mechanism includes a lower filter cartridge 16, one end of the lower filter cartridge 16 is sealed and the other end is open, one end of a top of the lower filter cartridge 16 is communicated with a bottom end of the discharge pipe 13, two ends of a bottom of the lower filter cartridge 16 are both fixedly provided with a support seat 17, a second collection box 21 is disposed between the two support seats 17, a first collection box 18 is disposed at a bottom end of the outer cylinder 4, the first collection box 18 is disposed under the water outlet 12, two ends of a bottom of the first collection box 18 are both fixedly provided with a support plate 19, a bottom end of the support plate 19 is both fixedly provided at a top of the lower filter cartridge 16, a third transport screw 20 is disposed in the lower filter cartridge 16, one end of the third transport screw 20 is rotatably disposed at a sealed end of the lower filter cartridge 16, a body diameter of the third transport screw 20 in a direction from the sealed end to the open end of the lower filter cartridge 16 gradually becomes thicker, one end of a third conveying screw rod 20 extends out of the lower filter cylinder 16, a back pressure ring 23 is sleeved at the outer end of the third conveying screw rod 20, one end of the back pressure ring 23, facing the lower filter cylinder 16, extends into the lower filter cylinder 16, the diameter of the back pressure ring 23 gradually becomes thicker in the direction from one end of the lower filter cylinder 16 to the direction far away from one end of the lower filter cylinder 16, an annular gap 24 is reserved between the back pressure ring 23 and the lower filter cylinder 16, an L-shaped plate 22 is fixedly mounted on the supporting seat 17 on one side, two hydraulic cylinders 25 which are distributed vertically are arranged between the L-shaped plate 22 and the back pressure ring 23, one end of each hydraulic cylinder 25 is fixedly mounted on the L-shaped plate 22, the output end of each hydraulic cylinder 25 is fixedly mounted on the back pressure ring 23, a third collecting box 26 is placed on the L-shaped plate 22, and the third collecting box 26 is located below the annular gap 24.

The driving mechanism comprises a motor 27, the motor 27 is fixedly arranged on the reaction box 1, the output end of the motor 27 penetrates through the reaction box 1 and is fixedly connected with the single-tooth roller 15, a second rotating shaft 28 is rotatably arranged on the outer side of the reaction box 1, the second rotating shaft 28 penetrates through the reaction box 1 and is fixedly connected with the single-tooth roller 15, a plate 29 is arranged between two upright posts 3 positioned on the same side, two ends of the plate 29 are respectively and fixedly connected with the upright posts 3, a third rotating shaft 30 is rotatably arranged on the plate 29, the third rotating shaft 30 penetrates through the plate 29, one end of the third rotating shaft 30 and the end of the second rotating shaft 28 are respectively and fixedly provided with a first chain wheel 31, the two first chain wheels 31 are driven by a first chain 32, the other end of the third rotating shaft 30 is fixedly provided with a first bevel gear 33, a fourth rotating shaft 34 is rotatably arranged on the L-shaped plate 22, one end of the fourth rotating shaft 34 sequentially penetrates through the L-shaped plate 22, the third conveying screw 20 and the lower filter cartridge 16, a fourth rotating shaft 34 is fixedly connected with the third conveying screw 20, one end of the fourth rotating shaft 34 is fixedly provided with a second bevel gear 35, the second bevel gear 35 is meshed with a first bevel gear 33, the other end of the fourth rotating shaft 34 is fixedly provided with a first gear 36, the upper end of the outer side of the lower filter cylinder 16 is rotatably provided with a fifth rotating shaft 37, the fifth rotating shaft 37 is fixedly provided with a second gear 38, the second gear 38 is meshed with the first gear 36, the end parts of the first rotating shaft 10 and the fifth rotating shaft 37 are both fixedly provided with second chain wheels 39, the two second chain wheels 39 are driven by a second chain 40, both ends of the top of the outer cylinder 4 are both fixedly provided with supporting blocks 41, the outer cylinder 4 is provided with an arc-shaped opening 42, the inner filter cylinder 5 is sleeved with a gear ring 43, the gear ring 43 is fixedly connected with the inner filter cylinder 5, a sixth rotating shaft 44 is arranged between the two supporting blocks 41, both ends of the sixth rotating shaft 44 are respectively rotatably arranged on the supporting blocks 41, a third gear 48 is fixedly mounted on the sixth rotating shaft 44, the third gear 48 penetrates through the arc-shaped opening 42 and is meshed with the gear ring 43, the sixth rotating shaft 44 penetrates through the supporting block 41 on one side, third chain wheels 45 are fixedly mounted on the end part of the sixth rotating shaft 44 and the first rotating shaft 10, and the two third chain wheels 45 are driven by a third chain 46.

The working principle is as follows: the single-tooth roller 15 is driven by the starting motor 27 to rotate to carry out primary sludge crushing, the mixture of sludge and a flocculating agent is stirred simultaneously, the single-tooth roller 15, the second rotating shaft 28 and the first chain wheel 31 at the end part of the second rotating shaft 28 are integrally arranged, the two first chain wheels 31 are driven by the first chain 32, the first chain wheel 31 at the end part of the third rotating shaft 30 rotates, so that the first bevel gear 33 at the other end of the third rotating shaft 30 rotates, the first bevel gear 33 drives the second bevel gear 35 to rotate, the second bevel gear 35, the fourth rotating shaft 34, the third conveying screw 20 and the first gear 36 are integrally arranged, the first gear 36 rotates and drives the second gear 38, the fifth rotating shaft 37 and the second chain wheel 39 at the lower end are integrally arranged, so that the first gear 36 is driven to the second chain wheel 39 at the lower end in a reversing way, the second chain wheel 39 at the upper end and the lower end are driven by the second chain 40, and the second chain wheel 39 at the upper end, The first rotating shaft 10, the third chain wheel 45 at the lower end and the second conveying screw 9 are integrally arranged, so that the second conveying screw 9 rotates, the second conveying screw 9, the first conveying screw 8 and the connecting shaft 47 are integrally arranged, so that the second conveying screw 9 and the first conveying screw 8 synchronously rotate and convey sludge in the pipeline 7 and the inner filter cylinder 5, meanwhile, the third chain wheel 45 at the lower end drives the third chain wheel 45 at the upper end to rotate through a third chain 46, the third chain wheel 45 at the upper end, the sixth rotating shaft 44 and the third gear 48 are integrally arranged, the third gear 48 rotates and drives the gear ring 43 to rotate, the gear ring 43 and the inner filter cylinder 5 are integrally arranged, so that the inner filter cylinder 5 rotates, sludge moves forwards under the pushing of the second conveying screw 9 in the inner filter cylinder 5, free dehydration is carried out due to the gravity action, the rotation direction of the inner filter cylinder 5 is opposite to the spiral rotation direction of the second conveying screw 9, so that the sludge is continuously rolled in the inner filter cylinder 5, free water in a floccule is continuously filtered out, the concentration of the sludge is realized, the main purpose of the concentration is to primarily reduce the volume of the sludge and reduce the capacity of subsequent treatment equipment, the filtered water is collected by the first collecting box 18, the concentrated sludge is pushed to the discharge pipe 13 through the second conveying screw rod 9 and falls into the lower filter cylinder 16, after the concentrated sludge enters the lower filter cylinder 16, the sludge is conveyed by the third conveying screw rod 20 with taper to compress the volume, so that the water in the sludge is rapidly separated out through the lower filter cylinder 16, the water content of solid matters is gradually reduced under the continuous compression effect, meanwhile, the sludge conveyed to the outlet end of the lower filter cylinder 16 is discharged through the annular gap 24, is further dehydrated and compressed into a mud cake under the extrusion of the back pressure ring 23, the gap size of the annular gap 24 can be adjusted by starting the hydraulic cylinder 25 to adjust the depth of the back pressure ring 23 extending into the lower filter cylinder 16, thereby, the compression strength and the dehydration rate are adjusted, and finally, the sludge is discharged into the third collection box 26 by the conveying action of the third conveyor screw 20, and the moisture in the sludge is stored in the second collection box 21.

The above, only be the concrete implementation of the preferred embodiment of the present invention, but the protection scope of the present invention is not limited thereto, and any person skilled in the art is in the technical scope of the present invention, according to the technical solution of the present invention and the utility model, the concept of which is equivalent to replace or change, should be covered within the protection scope of the present invention.

Claims (1)

1. The sludge dewatering device for treating the watershed water pollution comprises a reaction box (1) and is characterized in that a filter plate (14) is arranged in the reaction box (1), the filter plate (14) is fixedly connected with the reaction box (1) and divides the reaction box (1) into two chambers, a base (2) is arranged at the bottom end of the reaction box (1), stand columns (3) are fixedly arranged at four corners of the bottom of the reaction box (1), the bottom ends of the stand columns (3) are fixedly arranged on the base (2), a concentration mechanism is arranged on one side of the reaction box (1), the concentration mechanism comprises an outer barrel (4), two lantern rings (6) distributed at intervals are arranged in the outer barrel (4), the outer ring of the lantern ring (6) is fixedly connected with the inner ring of the outer barrel (4), an inner filter cylinder (5) is arranged in the outer barrel (4), one end of the inner filter cylinder (5) is sealed, and is provided with an opening, the device is characterized in that two ends of the inner filter cylinder (5) respectively penetrate through lantern rings (6) on two sides, two ends of the inner filter cylinder (5) are respectively rotatably arranged in the lantern rings (6), a pipeline (7) is arranged on one side outside the outer cylinder (4), one end of the pipeline (7) is sealed, the other end of the pipeline (7) is opened, one end of the pipeline (7) penetrates through the outer cylinder (4) and is rotatably arranged at the sealed end of the inner filter cylinder (5), the pipeline (7) is fixedly connected with the outer cylinder (4), the pipeline (7) is communicated with the inner filter cylinder (5), a first conveying screw (8) is arranged in the pipeline (7), one end of the first conveying screw (8) is fixedly provided with a connecting shaft (47), one end of the connecting shaft (47) penetrates through the sealed end of the pipeline (7) and is rotatably arranged on the reaction box (1), and a second conveying screw (9) is arranged in the inner filter cylinder (5), the second transports screw rod (9) one end and first transport screw rod (8) fixed connection, be equipped with first pivot (10) in outer barrel (4), first pivot (10) one end and second transport screw rod (9) fixed connection, first pivot (10) other end runs through outer barrel (4) and rotatable setting on outer barrel (4), outer barrel (4) are equipped with actuating mechanism outward, the intercommunication is equipped with overflow return bend (11) between reaction box (1) one side upper end and pipeline (7) top, outer barrel (4) bottom is opened there is outlet (12), outer barrel (4) bottom one end intercommunication is equipped with discharging pipe (13).

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