CN112851072A

CN112851072A - Seabed metal mud collecting and dewatering equipment

Info

Publication number: CN112851072A
Application number: CN202110019245.9A
Authority: CN
Inventors: 闭光豪
Original assignee: Hangzhou Hanggao Enterprise Management Consulting Co ltd
Current assignee: Hangzhou Hanggao Enterprise Management Consulting Co ltd
Priority date: 2021-01-07
Filing date: 2021-01-07
Publication date: 2021-05-28

Abstract

The invention belongs to the field of metal collection, and relates to a seabed metal mud collection and dehydration device which comprises a shell, wherein a working cavity is arranged in the shell, a dehydration device is arranged in the working cavity and used for extruding moisture in metal mud, a mud suction motor is fixedly arranged on the lower side wall of the shell, a mud suction shaft is arranged at the output end of the mud suction motor, an upper fixed pressing plate is fixedly arranged at the lower end of the mud suction shaft, and a chute is fixedly arranged at the lower side of the mud suction shaft. The invention can collect and adsorb the seabed polymetallic mud, cleans the filter screen in the collecting process, avoids poor adsorption effect caused by blocking the compact filter screen by sundries, scatters the lumpy metal mud, can collect the metal mud in the surrounding range in the collecting process, has wide collecting range, carries out centrifugal dehydration on the collected metal mud and then carries out extrusion dehydration, has better dehydration effect, and can collect more metal mud in the seabed.

Description

Seabed metal mud collecting and dewatering equipment

Technical Field

The invention belongs to the field of metal collection, and particularly relates to a seabed metal mud collection and dehydration device.

Background

As is known, the ocean bottom is provided with a submarine hydrothermal deposit which is called as a wealth flowing out from cracks of the ocean bottom, the substance flowing out from the cracks of the ocean ridge is called as 'future strategic metal', the seabed polymetallic mud can generate a blocking phenomenon due to long-term accumulation to influence normal collection, a large amount of water can be sucked in the collection process, and if the water is collected to the shore to be dehydrated, a large amount of resources are wasted and the collection efficiency is influenced.

Disclosure of Invention

The invention aims to solve the problems in the prior art and provides a seabed metal mud collecting and dehydrating device which can automatically extinguish fire and break a circuit in a short time when an electric energy meter fires.

The purpose of the invention can be realized by the following technical scheme: the utility model provides a dewatering equipment is collected to seabed metal mud, includes the casing, be equipped with the working chamber in the casing, the working chamber is equipped with the dewatering device, and the dewatering device is used for extruding the moisture in the metal mud away, the casing is fixed to be equipped with on the lateral wall down and inhales the mud motor, the output of inhaling the mud motor is equipped with inhales the mud axle, inhale the fixed holding plate that is equipped with of mud axle lower extreme, inhale the fixed chute that is equipped with of mud axle downside, it is equipped with the removal clamp plate to slide on the chute, the removal clamp plate with it is used for scattering the metal mud pressure of blocking to inhale the mud axle, the casing downside is equipped with inhales the mud device, inhales the mud device and is used for inhaling the collection in.

Preferably, the mud suction device comprises an inner toothed plate fixed on the lower side of the shell, an annular fixed ring gear is fixedly arranged in the inner toothed plate, an annular groove is fixedly formed in the upper side wall of the inner toothed plate, two blocks are slidably arranged in the annular groove, a ring groove shaft is rotatably arranged on the lower side of the inner toothed plate, a movable bevel gear is fixedly arranged on the ring groove shaft and meshed with the fixed ring gear, the mud suction shaft is rotatably connected with the inner toothed plate, a fixed bevel gear is fixedly arranged on the mud suction shaft and meshed with the movable bevel gear, a movable rotating block is fixedly arranged on the lower side of the ring groove shaft, a rotating block connecting rod is fixedly arranged on the movable rotating block, a mud suction block rod is fixedly arranged in the rotating block connecting rod, a mud suction block is fixedly arranged on the mud suction block rod, a fixed filter plate is fixedly arranged on the lower side of the mud suction block, and a fixed filter plate is fixedly arranged on the lower side of the rotating block, the cleaning device is characterized in that a cleaning rod sliding block groove is fixedly formed in the filter plate fixing block, a cleaning rod sliding block is arranged in the cleaning rod sliding block groove in a sliding mode, a sliding block connecting rod is fixedly arranged on the cleaning rod sliding block, a cleaning block rod is fixedly arranged on the sliding block connecting rod, a filter plate cleaning block is fixedly arranged on the upper side of the cleaning block rod, and the filter plate cleaning block is tightly attached to the fixed filter plate.

Preferably, a collecting pump is fixedly arranged on the upper left side wall of the working cavity, a collecting pump rotating pipe is rotatably arranged at the lower end of the collecting pump, the collecting pump rotating pipe is communicated with the sludge suction pipe through a hose, and the sludge suction pipe is fixedly connected with the sludge suction block.

When the mud suction motor is started, the mud suction shaft starts to rotate to drive the fixed bevel gear to rotate, the meshing movable bevel gear rotates, the movable bevel gear meshes with the fixed annular teeth, the annular groove shaft slides and rotates in the annular groove to drive the mud suction block rod to rotate around the mud suction shaft and rotate, meanwhile, the cleaning rod sliding block is always arranged at the lowest part of the cleaning rod sliding block groove due to gravity, when the rotating block connecting rod rotates, the cleaning block of the filter plate always scrapes the fixed filter plate at the lowest part, the fixed filter plate is prevented from being blocked by the metal mud sucked fast, the filtering effect and the suction efficiency are influenced, the metal mud around the annular ring can be scattered while collecting the metal mud around the annular ring, more fine metal mud is obtained, the waste accumulated at the bottom layer can not be collected for the same time, the metal mud blocks are simultaneously knocked down onto the movable pressing plate, the movable pressing plate slides up and down in the mud suction shaft along with the rotation of the mud suction shaft, the upper fixed pressing plate and the movable pressing plate compress the metal mud blocks on the movable pressing plate, and the metal mud blocks are dispersed and are convenient to collect.

Preferably, the dewatering device comprises a dewatering motor fixed on the side wall of the working cavity, the output end of the dewatering motor is provided with a dewatering motor shaft, a drainage cavity is fixedly arranged in the working cavity, air pressure is filled in the drainage cavity, a dewatering cavity wall is fixedly arranged in the drainage cavity, a dewatering cavity is arranged in the dewatering cavity wall, the dewatering motor shaft extends into the dewatering cavity, the collecting pump is communicated with the dewatering cavity, the side wall of the dewatering cavity wall is provided with a plurality of filter pipes, filter nets are arranged in the filter pipes, the filter pipes are used for leading water into the drainage cavity, the lower side of the dewatering motor shaft is provided with a shaft inner cavity, the side wall of the shaft inner cavity is provided with a fixed corrugated groove in an annular manner, a corrugated groove sliding block is arranged in the corrugated groove in a sliding manner, a moving rod is fixedly arranged on the corrugated groove sliding block, and a moving rod spring is connected between, a water pressing plate is fixedly arranged at the lower end of the movable rod, a right transmission shaft is rotatably arranged on the lower side wall of the drainage cavity, the right transmission shaft penetrates through the wall of the dehydration cavity and extends into the dehydration cavity, a metal mud receiving wheel is fixedly arranged at the lower side of the right transmission shaft, the upper end of the right transmission shaft is fixedly provided with a right transmission wheel, the lower end of the shaft of the dewatering motor is fixedly provided with a left transmission wheel, a transmission belt is connected between the right transmission wheel and the left transmission wheel, a dredge pump is fixedly arranged on the lower side wall of the dehydration cavity wall, a collecting port is fixedly arranged on the dredge pump and is used for sucking the metal mud on the right upper side surface of the metal mud supporting wheel, a collecting chamber is fixedly arranged on the right side wall of the working cavity, a pipeline is connected between the collecting chamber and the dredge pump, the lower end of the drainage cavity is provided with a drainage pipe penetrating out of the shell, and a check valve is arranged in the drainage pipe to ensure that water in the drainage pipe can only be drained outwards.

When the collecting pump is started, the metal mud in the mud suction pipe, which is filtered by the mud suction block, is sucked into and discharged to the dewatering cavity through the collecting pump rotating pipe, the dewatering motor is started to drive the shaft of the dewatering motor to rotate, so that the metal mud in the dewatering cavity is thrown away towards the side wall of the dewatering cavity along with blades on the shaft of the dewatering motor, water on the metal mud is thrown into and out of the drainage cavity through the filtering pipe, meanwhile, the metal mud adhered to the side wall of the dewatering cavity moves downwards along with gravity and impact and falls onto the metal mud receiving wheel, the shaft of the dewatering motor rotates to drive the inner cavity of the shaft to rotate, so that the corrugated groove sliding block slides in the corrugated groove, the movable rod moves up and down along with the corrugations of the corrugated groove, when the movable rod moves downwards, the pressure water plate is driven to move downwards to extrude the metal mud on the metal mud receiving wheel, water is extruded out, and meanwhile, the right transmission shaft is made to rotate to drive the metal mud bearing wheel to rotate, the squeezed metal mud is rotated to the right side of the metal mud bearing wheel, the mud suction pump is started, the metal mud on the metal mud bearing wheel is sucked and discharged to the collecting chamber through the collecting port and is collected, and water in the drainage cavity is discharged out of the equipment along with the pressure in the drainage cavity. Get rid of the dehydration with metal mud earlier through centrifugal force, extrude the dehydration with the metal mud after the centrifugal force is dehydrated again, whole dehydration effect is more excellent, has improved the efficiency and the volume that seabed metal mud was collected, outside the quick water discharge equipment that will not need, reduction equipment moving power with improved the collection rate.

Compared with the prior art, the seabed metal mud collecting and dehydrating equipment has the following advantages:

1. the blocking seabed mud can be scattered, the blocked seabed mud on the filter screen can be scattered, and the influence on the adsorption efficiency can be avoided.

2. The collected metal mud is subjected to centrifugal dehydration and then is subjected to extrusion dehydration, so that the dehydration efficiency is high and the dehydration effect is good.

Drawings

Fig. 1 is a schematic structural view of a seafloor metal mud collection and dehydration device.

Fig. 2 is an enlarged view of a structure a in fig. 1.

Fig. 3 is a sectional view taken along line B-B in fig. 1.

Fig. 4 is a sectional view taken along line C-C in fig. 1.

Fig. 5 is a sectional view taken along line D-D in fig. 1.

In the figure, 10, the housing; 11. a working chamber; 12. a metal mud receiving wheel; 14. collecting a pump rotating pipe; 15. a collection pump; 16. a dewatering motor; 17. a shaft of the dewatering motor; 18. a dehydration cavity; 19. a filter tube; 20. a drainage cavity; 21. a dehydration chamber wall; 22. a dredge pump; 23. a collection chamber; 24. a discharge pipe; 25. a mud suction motor; 26. an inner toothed plate; 27. moving the rotating block; 28. a mud sucking block; 29. a filter plate cleaning block; 30. a slider connecting rod; 32. a mud sucking shaft; 33. an upper fixed pressing plate; 34. moving the pressing plate; 35. a chute; 36. a cleaning block rod; 37. cleaning the rod slide slot; 38. fixing the filter plate; 39. a mud sucking block rod; 40. a rotating block connecting rod; 41. a mud suction pipe; 42. a ring groove shaft; 43. a fixed ring gear; 44. moving the bevel gear; 45. fixing the bevel gear; 46. a travel bar; 47. a left driving wheel; 48. a water pressing plate; 49. a transmission belt; 50. a right drive shaft; 51. a collection port; 52. a right driving wheel; 53. a shaft lumen; 54. a travel bar spring; 55. a corrugated groove; 56. a corrugated slot slider; 58. a filter plate fixing block; 59. a cleaning rod slider; 60. and a ring groove.

Detailed Description

The following are specific embodiments of the present invention and are further described with reference to the drawings, but the present invention is not limited to these embodiments.

As shown in fig. 1, a submarine metal mud collecting and dewatering device, which comprises a housing 10, a working chamber 11 is arranged in the housing 10, a dewatering device is arranged in the working chamber 11, the dewatering device is used for extruding water in metal mud, a mud sucking motor 25 is fixedly arranged on the lower side wall of the housing 10, a mud sucking shaft 32 is arranged at the output end of the mud sucking motor 25, an upper fixing pressing plate 33 is fixedly arranged at the lower end of the mud sucking shaft 32, a chute 35 is fixedly arranged on the lower side of the mud sucking shaft 32, a moving pressing plate 34 is arranged on the chute 35 in a sliding manner, the moving pressing plate 34 and the mud sucking shaft 32 are used for pressing and scattering the metal mud into blocks, a mud sucking device is arranged on the lower side of the housing 10, and the mud sucking device is used for.

As shown in fig. 1, 4 and 5, the mud suction device includes an inner toothed plate 26 fixed on the lower side of the housing 10, an annular fixed ring gear 43 is fixed in the inner toothed plate 26, an annular groove 60 is fixed on the upper side wall of the inner toothed plate 26, two blocks are slidably arranged in the annular groove 60, a ring groove shaft 42 is rotatably arranged on the lower side of the block, a movable bevel gear 44 is fixedly arranged on the ring groove shaft 42, the movable bevel gear 44 is engaged with the fixed ring gear 43, the mud suction shaft 32 is rotatably connected with the inner toothed plate 26, a fixed bevel gear 45 is fixedly arranged on the mud suction shaft 32, the fixed bevel gear 45 is engaged with the movable bevel gear 44, a movable rotary block 27 is fixedly arranged on the lower side of the ring groove shaft 42, a rotary block connecting rod 40 is fixedly arranged on the movable rotary block 27, a mud suction block rod 39 is fixedly arranged in the rotary block connecting rod 40, a mud suction block 28 is fixedly arranged on the mud suction block rod 39, a fixed block 38 is fixedly arranged on the lower side, the cleaning rod slider groove 37 is fixedly arranged on the filter plate fixed block 58, the cleaning rod slider 59 is slidably arranged in the cleaning rod slider groove 37, the slider connecting rod 30 is fixedly arranged on the cleaning rod slider 59, the cleaning block rod 36 is fixedly arranged on the slider connecting rod 30, the filter plate cleaning block 29 is fixedly arranged on the upper side of the cleaning block rod 36, and the filter plate cleaning block 29 is tightly attached to the fixed filter plate 38.

As shown in FIG. 1, a collecting pump 15 is fixedly arranged on the upper left side wall of the working chamber 11, a collecting pump rotating pipe 14 is rotatably arranged at the lower end of the collecting pump 15, a hose is communicated between the collecting pump rotating pipe 14 and a mud suction pipe 41, and the mud suction pipe 41 is fixedly connected with a mud suction block 28.

When the mud suction motor 25 is started, the mud suction shaft 32 starts to rotate to drive the fixed bevel gear 45 to rotate, the meshing movable bevel gear 44 rotates, the movable bevel gear 44 meshes with the fixed ring gear 43, the ring groove shaft 42 slides and rotates in the ring groove 60 to drive the mud suction block rod 39 to rotate and rotate around the mud suction shaft 32, the cleaning rod slider 59 is always arranged at the lowest part of the cleaning rod slider groove 37 due to gravity, when the rotating block connecting rod 40 rotates, the filter plate cleaning block 29 always scrapes the fixed filter plate 38 at the lowest part, the fixed filter plate 38 is prevented from being blocked by the rapidly sucked metal mud, the filtering effect and the sucking efficiency are influenced, the metal mud around can be scattered while being collected by the ring, more fine and dense metal mud can be obtained, the waste materials accumulated at the bottom layer can not be collected for a long time at the same time, and the agglomerated metal mud is simultaneously dropped onto the movable pressing plate 34, the movable pressing plate 34 slides up and down in the mud suction shaft 32 along with the rotation of the mud suction shaft 32, so that the upper fixed pressing plate 33 and the movable pressing plate 34 compress and disperse the metal mud lumps on the movable pressing plate 34 for collection.

As shown in fig. 1, 2 and 3, the dewatering device includes a dewatering motor 16 fixed on the upper side wall of a working chamber 11, a dewatering motor shaft 17 is arranged at the output end of the dewatering motor 16, a water discharging chamber 20 is fixedly arranged in the working chamber 11, the water discharging chamber 20 is filled with air pressure, a dewatering chamber wall 21 is fixedly arranged in the water discharging chamber 20, a dewatering chamber 18 is arranged in the dewatering chamber wall 21, the dewatering motor shaft 17 extends into the dewatering chamber 18, a collecting pump 15 is communicated with the dewatering chamber 18, a plurality of filter pipes 19 are arranged on the side wall of the dewatering chamber wall 21, a water filter net is arranged in the filter pipes 19, the filter pipes 19 are used for guiding water into the water discharging chamber 20, a shaft inner chamber 53 is arranged at the lower side of the dewatering motor shaft 17, a fixed corrugated groove 55 is annularly arranged on the side wall of the shaft inner chamber 53, a corrugated groove slide block 56 is arranged in the corrugated groove 55, a moving rod 46 is fixedly arranged on the corrugated groove, a water pressing plate 48 is fixedly arranged at the lower end of the moving rod 46, a right transmission shaft 50 is rotatably arranged on the lower side wall of the drainage cavity 20, the right transmission shaft 50 penetrates through the dehydration cavity wall 21 and extends into the dehydration cavity 18, a metal mud receiving wheel 12 is fixedly arranged on the lower side of the right transmission shaft 50, a right transmission wheel 52 is fixedly arranged at the upper end of the right transmission shaft 50, a left transmission wheel 47 is fixedly arranged at the lower end of the dehydration motor shaft 17, a transmission belt 49 is connected between the right transmission wheel 52 and the left transmission wheel 47, a mud suction pump 22 is fixedly arranged on the lower side wall of the dehydration cavity wall 21, a collection port 51 is fixedly arranged on the mud suction pump 22, the collection port 51 is used for sucking metal mud on the right upper side surface of the metal mud receiving wheel 12, a collection chamber 23 is fixedly arranged on the right side wall of the working cavity 11, a pipeline is connected between the collection chamber 23 and the mud suction pump 22, a drainage pipe 24 penetrating through.

When the collecting pump 15 is started, the metal mud filtered by the mud sucking block 28 in the mud sucking pipe 41 is sucked and discharged into the dewatering cavity 18 through the collecting pump rotating pipe 14, the dewatering motor 16 is started to drive the dewatering motor shaft 17 to rotate, so that the metal mud in the dewatering cavity 18 is thrown away to the side wall of the dewatering cavity 18 along with blades on the dewatering motor shaft 17, moisture on the metal mud is thrown into the drainage cavity 20 through the filter pipe 19, meanwhile, the metal mud adhered to the side wall of the dewatering cavity 18 moves downwards along with gravity and impact and falls onto the metal mud receiving wheel 12, the dewatering motor shaft 17 rotates to drive the shaft inner cavity 53 to rotate, so that the corrugated groove sliding block 56 slides in the corrugated groove 55, so that the moving rod 46 moves up and down along with the corrugations of the corrugated groove 55, when the moving rod 46 moves downwards, the water pressing plate 48 is driven to move downwards to press the metal mud on the metal mud receiving wheel 12, and the moisture is extruded, meanwhile, the dehydration motor shaft 17 rotates to drive the left driving wheel 47 to rotate, the right driving wheel 52 is driven to rotate through the driving belt 49, the right driving shaft 50 rotates to drive the metal mud bearing wheel 12 to rotate, the squeezed metal mud is rotated to the right side of the metal mud bearing wheel 12, the mud suction pump 22 is started, the metal mud on the metal mud bearing wheel 12 is sucked and discharged into the collection chamber 23 through the collection port 51 to be collected, and the moisture in the drainage cavity 20 is discharged out of the device along with the pressure in the drainage cavity 20. Get rid of the dehydration with metal mud earlier through centrifugal force, extrude the dehydration with the metal mud after the centrifugal force is dehydrated again, whole dehydration effect is more excellent, has improved the efficiency and the volume that seabed metal mud was collected, outside the quick water discharge equipment that will not need, reduction equipment moving power with improved the collection rate.

The above description is only an embodiment of the present invention, and not intended to limit the scope of the present invention, and all modifications of equivalent structures and equivalent processes, which are made by using the contents of the present specification and the accompanying drawings, or directly or indirectly applied to other related technical fields, are included in the scope of the present invention.

Claims

1. The utility model provides a dewatering equipment is collected to seabed metal mud, includes casing (10), its characterized in that, be equipped with working chamber (11) in casing (10), be equipped with the dewatering device in working chamber (11), the dewatering device is used for going out the moisture extrusion in the metal mud, casing (10) is fixed to be equipped with on the lateral wall down and inhales mud motor (25), the output of inhaling mud motor (25) is equipped with inhales mud axle (32), it is fixed to be equipped with last fixed pressing plate (33) to inhale mud axle (32) lower extreme, it is fixed to be equipped with chute (35) to inhale mud axle (32) downside, it is equipped with moving platen (34) to slide on chute (35), moving platen (34) with it is used for scattering the metal mud pressure of blocking to inhale mud axle (32), casing (10) downside is equipped with inhales the mud device, inhales the mud device and is used for inhaling the collection in the equipment with the metal mud.

2. The seafloor metal mud collection and dewatering device of claim 1, wherein: the mud suction device comprises an inner toothed plate (26) fixed on the lower side of the shell (10), an annular fixed ring gear (43) is arranged in the inner toothed plate (26), an annular groove (60) is fixedly arranged on the upper side wall of the inner toothed plate (26), two blocks are arranged in the annular groove (60) in a sliding mode, an annular groove shaft (42) is arranged on the lower side of the block in a rotating mode, a movable bevel gear (44) is fixedly arranged on the annular groove shaft (42), the movable bevel gear (44) is meshed with the fixed ring gear (43), the mud suction shaft (32) is rotatably connected with the inner toothed plate (26), a fixed bevel gear (45) is fixedly arranged on the mud suction shaft (32), the fixed bevel gear (45) is meshed with the movable bevel gear (44), a movable rotating block (27) is fixedly arranged on the lower side of the annular groove shaft (42), a rotating block connecting rod (40) is fixedly arranged on the movable rotating block (27), it is equipped with inhales mud piece pole (39) to change piece connecting rod (40) internal fixation, inhale fixed mud piece (28) of being equipped with on mud piece pole (39), inhale fixed filter plate (38) that is equipped with of mud piece (28) downside, change fixed filter plate fixed block (58) that is equipped with of piece connecting rod (40) downside, fixed clean pole slider groove (37) that is equipped with on filter plate fixed block (58), it is equipped with clean pole slider (59) to slide in clean pole slider groove (37), fixed slider connecting rod (30) that is equipped with on clean pole slider (59), fixed clean piece pole (36) that is equipped with on slider connecting rod (30), the fixed clean piece (29) that is equipped with of clean piece pole (36) upside, the clean piece (29) of filter plate with fixed filter plate (38) closely laminate.

3. The seafloor metal mud collection and dewatering device of claim 2, wherein: the mud suction device is characterized in that a collecting pump (15) is fixedly arranged on the upper left side wall of the working cavity (11), a collecting pump rotating pipe (14) is rotatably arranged at the lower end of the collecting pump (15), the collecting pump rotating pipe (14) is communicated with a mud suction pipe (41) through a hose, and the mud suction pipe (41) is fixedly connected with a mud suction block (28).

4. The seafloor metal mud collection and dewatering device of claim 3, wherein: the dewatering device comprises a dewatering motor (16) fixed on the side wall of the working cavity (11), the output end of the dewatering motor (16) is provided with a dewatering motor shaft (17), the working cavity (11) is internally fixed with a drainage cavity (20), the drainage cavity (20) is internally filled with air pressure, the drainage cavity (20) is internally fixed with a dewatering cavity wall (21), the dewatering cavity wall (21) is internally provided with a dewatering cavity (18), the dewatering motor shaft (17) extends into the dewatering cavity (18), the collecting pump (15) is communicated with the dewatering cavity (18), the side wall of the dewatering cavity wall (21) is provided with a plurality of filter pipes (19), the filter pipes (19) are internally provided with a water strainer, the filter pipes (19) are used for guiding water into the drainage cavity (20), the lower side of the dewatering motor shaft (17) is provided with a shaft inner cavity (53), the side wall of the shaft inner cavity (53) is annularly provided with a fixed corrugated groove (55), a corrugated groove sliding block (56) is arranged in the corrugated groove (55) in a sliding manner, a moving rod (46) is fixedly arranged on the corrugated groove sliding block (56), a moving rod spring (54) is connected between the upper end of the moving rod (46) and the upper side wall of the shaft inner cavity (53), a water pressing plate (48) is fixedly arranged at the lower end of the moving rod (46), a right transmission shaft (50) is rotatably arranged on the lower side wall of the drainage cavity (20), the right transmission shaft (50) penetrates through the dehydration cavity wall (21) and extends into the dehydration cavity (18), a metal mud receiving wheel (12) is fixedly arranged at the lower side of the right transmission shaft (50), a right transmission wheel (52) is fixedly arranged at the upper end of the right transmission shaft (50), a left transmission wheel (47) is fixedly arranged at the lower end of the dehydration motor shaft (17), a transmission belt (49) is connected between the right transmission wheel (52, fixed dredge pump (22) that is equipped with on the lateral wall under dehydration chamber wall (21), fixed collect mouthful (51) of being equipped with on dredge pump (22), collect mouthful (51) be used for with the metal mud on metal mud take-up wheel (12) the upper right side inhales the department, fixed collection room (23) of being equipped with on working chamber (11) the right side wall, collect room (23) with be connected with the pipeline between dredge pump (22), drainage chamber (20) lower extreme is equipped with wears out discharge pipe (24) in casing (10) outside, it makes to be equipped with the check valve in discharge pipe (24) water can only outwards be discharged.