CN208105354U - Grinding device and dredger with grinding device - Google Patents

Abstract

The utility model relates to a kind of grinding device and with the dredger of grinding device, grinding device includes crusher and pulverizer, the lower section of crusher is arranged in pulverizer, crusher includes broken shaft, broken motor and multiple broken blades, broken motor is connect to drive broken shaft to rotate with broken shaft, the axial direction distribution in broken shaft and along broken shaft is arranged in multiple broken blades, pulverizer includes crushing motor, crush shaft, rotate tool apron, rotary cutter, fixed tool apron and fixed cutting tool, it crushes motor and connect with shaft is crushed to drive and crush shaft rotation, rotation tool apron, which is fixed on, to be crushed in shaft, rotary cutter is mounted on rotation tool apron, fixed cutting tool is mounted on fixed tool apron, rotate tool apron and fixed tool apron interval pre-determined distance.The grinding device and dredger of the utility model embodiment carry out second-time breakage by crusher and pulverizer, rubbish and stone can be crushed as fine powder, and crushing effect is preferable.

Description

Grinding device and dredger with grinding device

Technical field

The present invention relates to desilting equipment field more particularly to a kind of grinding device and with the dredger of grinding device.

Background technique

Channel cleanout falls the silt displacement for being deposited on river bed generally by mechanical equipment, plays the work of dredging river With.Present people use dredger generally to carry out channel cleanout work, and the desilting mode of existing dredger has very much, such as Bucket type, jet absorption type, mechanical strand suction, hydraulic strand suction and rake suction etc..Due to usually contained in mud a large amount of metal or The rubbish and stone of plastic material, therefore mud is further processed for the ease of subsequent, it is necessary to by the rubbish in mud Rubbish and stone are smashed.But existing grinding device, tentatively broken, broken fragment is only carried out to rubbish and stone Still larger, it is unfavorable for carrying out the treatment process such as subsequent dehydration or ceramsite sintering.

Summary of the invention

In view of this, the purpose of the present invention is to provide a kind of preferable grinding device of crushing effect and there is grinding device Dredger.

In order to achieve the object of the present invention, the embodiment of the present invention provides a kind of grinding device comprising crusher and crushing Machine, the pulverizer are arranged in the lower section of the crusher, and the crusher includes broken shaft, broken motor and multiple broken Blade, the broken motor are connect to drive the broken shaft rotation with the broken shaft, and the multiple broken blade is set Set in the broken shaft and along the axial direction distribution of the broken shaft, the pulverizer include crush motor, crush shaft, Tool apron, rotary cutter, fixed tool apron and fixed cutting tool are rotated, the crushing motor connect described to drive with the crushing shaft Shaft rotation is crushed, the rotation tool apron is fixed in the crushing shaft, and the rotary cutter is mounted on the rotation tool apron On, the fixed cutting tool is mounted on the fixed tool apron, the rotation tool apron and the fixed tool apron interval pre-determined distance.

As the further improvement of above-described embodiment, the fixed tool apron includes the first fixed tool apron and the second fixing cutter Seat, the described first fixed tool apron and the second fixed tool apron are located at the two sides for crushing shaft and interval pre-determined distance, institute State and be mounted on fixed cutting tool on the first fixed tool apron and the second fixed tool apron, the rotation tool apron include the first rotation tool apron with Second rotation tool apron, the first rotation tool apron and the second rotation tool apron are fixed on the opposite sides face for crushing shaft, Rotary cutter is mounted on the first rotation tool apron and the second rotation tool apron.

As the further improvement of above-described embodiment, the described first fixed tool apron and second fixes tool apron towards the crushing The face of shaft is arc-shaped, and is located at using the crushings shaft as on the same circumference in the center of circle, the first fixation tool apron and the Pulverizing material inlet, shape between the described first fixed tool apron and the lower end of the second fixed tool apron are formed between the upper end of two fixed tool aprons At pulverizing discharging opening, the upper end of the described first fixed tool apron is equipped with the fixed cutting tool, the lower end of the described second fixed tool apron The fixed cutting tool is installed.

As the further improvement of above-described embodiment, length of the described first fixed tool apron towards the face for crushing shaft Long less than quarter turn, the length in the described second fixed tool apron towards face for crushing shaft is long less than or equal to quarter turn, And the spacing between the first fixed tool apron and the upper end of the second fixed tool apron is less than the described first fixed tool apron and second solid Spacing between the lower end of stationary knife seat.

As the further improvement of above-described embodiment, the crusher includes two broken shafts disposed in parallel, each Broken shaft is connect with a broken motor, is each provided with multiple broken blades in broken shaft, and in two broken shafts Axially staggered setting of the broken blade along the broken shaft.

On the other hand the embodiment of the present invention provides a kind of dredger comprising hull, mud collection device and any of the above-described Grinding device described in embodiment, the grinding device are set on the hull, the mud collection device and the hull Connection, for mud to be collected into the hull, the smashing device is for crushing mud.

As the further improvement of above-described embodiment, the mud collection device include track support frame, crawler belt, shaft, Driver and multiple milling buckets, the track support frame connect and are tilted with the hull and stretched out in outside the hull, and described turn Axis is rotatably connected on the track support frame, and the crawler belt is movably attached on the track support frame, and with The shaft cooperation, the multiple milling bucket are connect with the crawler belt, and the driver is connect with the shaft, for driving Shaft rotation is stated, the shaft is for driving the crawler belt to rotate on the track support frame.

As the further improvement of above-described embodiment, the first end of the track support frame is located on the hull, and second End stretches out the hull and is lower than the first end, and the track support frame is rotatably connected with the hull, and the mud is received Acquisition means further include that adjustment oil cylinder is dug in milling, and the first end that adjustment oil cylinder is dug in the milling is connected on the hull, second end connection On the track support frame, and the milling digs the second end of adjustment oil cylinder relative to the track support frame and the hull Second end of the junction close to the track support frame.

As the further improvement of above-described embodiment, the grinding device further includes feed hopper, outline border and discharge bucket, described Feed hopper is set to the output end of mud collection device, and the crusher and disintegrating machine are mounted in the outline border, described broken Machine is located at the lower section of the feed hopper, and the discharge bucket is located at the lower section of the pulverizer.

As the further improvement of above-described embodiment, the dredger further includes dehydration device and defeated mud channel, described de- Water installations and defeated mud channel are set on the hull, and the grinding device is connected by the defeated mud channel and the dehydration device It connects, the dehydration device includes screen centrifuge, screen centrifuge rotation axis, strainer, spiral pusher plate and dehydration electric motor, the dehydration device Be provided with inlet port and outlet port, the screen centrifuge and the screen centrifuge rotate axis connection, and the strainer is cylindrical in shape, with it is described from Heart sieve is fixedly connected and is nested, and the spiral pusher plate is arranged in the strainer and along the axially extending of the strainer, And between the feed inlet and the discharge port, the dehydration electric motor and the screen centrifuge rotate axis connection, described in driving The rotation of screen centrifuge rotation axis, the screen centrifuge and strainer and the spiral pusher plate relatively rotate.

The grinding device and dredger of the embodiment of the present invention carry out second-time breakage by crusher and pulverizer, can incite somebody to action It is fine powder that rubbish and stone, which crush, and crushing effect is preferable.

Detailed description of the invention

It is more particularly described by the preferred embodiment of the present invention shown in the drawings, the above and other purpose of the present invention, feature It will be become more fully apparent with advantage.Identical appended drawing reference indicates identical part in all the attached drawings, and not deliberately by real Size equal proportion scaling in border draws attached drawing, it is preferred that emphasis is shows this purport.

Fig. 1 is the positive structure schematic of dredger.

Fig. 2 is the top view of dredger.

Fig. 3 is the partial enlarged view of dredger.

Fig. 4 is the partial enlarged view of mud collection device.

Fig. 5 is the structural schematic diagram of grinding device.

Fig. 6 is the top view of crusher.

Fig. 7 is the side view of crusher.

Fig. 8 is the top view of pulverizer.

Fig. 9 is the side view of pulverizer.

Figure 10 is the structural schematic diagram of dehydration device.

Figure 11 is the partial enlarged view of dehydration device.

Figure 12 is another partial enlarged view of dehydration device.

Figure 13 is the structural schematic diagram of progressive step stake component.

Figure 14 is the top view of progressive step stake component.

Figure 15 is the partial enlarged view of progressive step stake component.

Figure 16 is the structural schematic diagram in defeated mud channel.

Specific embodiment

To facilitate the understanding of the present invention, below with reference to relevant drawings to being originally described more fully.

It should be noted that it can be directly to separately when an element is considered as " connection " another element One element and it is in combination be integrated, or may be simultaneously present centering elements.Term as used herein " installation ", " one End ", " other end " and similar statement are for illustrative purposes only.

Unless otherwise defined, the technology of all technical and scientific terms used herein and the technical field for belonging to this The normally understood meaning of personnel is identical.Term used in book described herein is intended merely to the mesh of description specific embodiment , it is not intended that in the limitation present invention.Term " and or " used herein includes one or more relevant listed items Any and all combinations.

Please refer to Fig. 1 to Figure 16, the embodiment of the present invention provides a kind of dredger comprising hull 1, mud collection device 2, Smash device 3, dehydration device 4 and defeated mud channel 5.Grinding device 3, dehydration device 4 and defeated mud channel 5 are all set on hull 1, Mud collection device 2 is connect with hull 1.Specifically, mud collection device 2 can be set in stem, forward extend out in hull 1, and protrude into the bottom.Ship stern is also provided with mud transmission device 7, for dewatered mud to be transmitted to and the dredger On the sludge boat of auxiliary work.Mud collection device 2, grinding device 3 and dehydration device 4 are sequentially connected by defeated mud channel 5.It becomes silted up Water-bed mud can be collected on hull 1 by mud collection device 2 using modes such as milling digging, suctions, smash device 3 for that will become silted up Mud collected by mud collection device 2 is crushed, and the bulk rubbish in mud is crushed, smashed mud is by defeated mud channel 5 are transported to dehydration device 4, and dehydration device 4 is used to mud carrying out drying dehydration, and water is discharged to outside hull 1, makes the weight of mud Amount is greatly reduced, and reduces the workload of subsequent sludge boat.Cockpit 11 is also provided on hull 1, operator can To manipulate the dredger in cockpit 11.

Fig. 3 and Fig. 4 are please referred to, mud collection device 2 includes track support frame 21, crawler belt 22, shaft 24,25 and of driver Multiple milling buckets 23.Track support frame 21 connect and is tilted with hull 1 and stretched out in outside hull 1, and protrudes into the bottom.Specifically, Track support frame 21 is in substantially cuboid, and the bottom, the other end (first end) of long side are protruded into one end (second end) of long side On hull 1.Shaft 24 is rotatably connected on track support frame 21.Length direction of the crawler belt 22 along track support frame 21 It is movably attached on track support frame 21, and cooperates with shaft 24, in the rotation with shaft 24, crawler belt 22 is in crawler belt branch Cycle rotation on support 21, and be embodied on a long side outer surface of track support frame 21, then crawler belt 22 is in crawler belt It is translated on the outer surface of support frame 21.Multiple milling buckets 23 are connect with crawler belt 22, in track support frame under the drive of crawler belt 22 It is moved on 21, the quarrel direction for milling bucket 23 is identical as the moving direction of crawler belt 22.Milling bucket 23 is moved to shoe with crawler belt 22 When protruding into water-bed one end with support frame 21, water-bed mud is dug, crawler belt branch is then moved under the drive of crawler belt 22 Support 21 is located at one end on ship, and mud is poured into the feed hopper 31 of grinding device 3, and continues to protrude into towards track support frame 21 Water-bed one end is mobile, and multiple milling buckets 23 loop back and forth like this, and dredging efficiency is higher.The quantity of milling bucket 23 is set as needed It sets, generally between 15 to 30.Driver 25 is connect with shaft 24, is rotated for drive shaft 24, and shaft 24 is used for band Dynamic crawler belt 22 rotates on track support frame 21.In the present embodiment, the both ends of track support frame 21 are respectively arranged with one and turn Axis 24, each shaft 24 can be connect with a driver 25, can also be connect with only one shaft 24 with driver 25. Track support frame 21 has bottom surface 212 and top surface 211, and bottom surface 212 is towards where the water surface and hull 1, directed downwardly and long side Face, top surface 212 be it is opposite with bottom surface, upward and long side where face.In a preferred embodiment, it is located at track support frame Crawler belt 22 and milling bucket 23 on 21 top surface 211 is mobile from the second end of track support frame 21 to first end, is located at bottom surface 212 On crawler belt 22 and milling bucket 23 it is mobile from the first end of track support frame 21 to second end, since track support frame 21 is preceding low It is highly obliquely installed afterwards, can make to mill bucket 23 in this way and dig after mud when moving on track support frame 21 quarrel upward, in this way More mud can be contained, and can guarantee the flatness in riverbed.In a further preferred embodiment, shaft 24 is rectangular Axis, driver 25 are hydraulic motor.Square shaft can preferably cooperate with crawler belt 22.Moreover, use square shaft as shaft 24, Even if certain abrasion has occurred in square shaft, it still is able to that crawler belt 22 is driven to rotate, so that the use of mud collection device 2 It lasts a long time.Traditional dredger is often used the equipment such as excavator, grab bucket to dredge, but these equipment are dredged, and turns in bucket When rising, many mud are had toward contact and fall back to river bed again, dredging is not clean, and is also easy to dig out circular hole in river bed, Make the out-of-flatness of riverbed bottom.Formula mud collection device 2 is dug by using the milling of the present embodiment, the mud of river bed can be dug clearly dry Only, and it can guarantee the smooth of riverbed bottom.

In a further preferred embodiment, the first end of track support frame 21 is located on hull 1, and second end is far from hull 1 and be lower than hull 1, protrude into the bottom, track support frame 21 is rotatably connected with hull 1.Specifically, track support frame 21 is close The position of first end can be hinged by shaft and hull 1, the direction of travel for being axially perpendicular to hull 1 of shaft.Mud is collected Device 2 further includes that adjustment oil cylinder 26 is dug in milling, and the first end that adjustment oil cylinder 26 is dug in milling is hinged on hull 1, and second end is connected to shoe On band support frame 21, and milling digs the second end for adjusting oil cylinder 26 relative to the junction of track support frame 21 and hull 1 close to shoe Second end (protruding into water-bed one end) with support frame 21, so that milling be made to dig first end, second end and the crawler belt for adjusting oil cylinder 26 The hinge joint of support frame 21 and hull 1 constitutes three vertex of triangle, and a line that adjustment oil cylinder 26 is the triangle is dug in milling. When needing to adjust milling digging depth, it is only necessary to adjust the collapsing length that adjustment oil cylinder 26 is dug in milling, mill and dig adjustment oil cylinder 26 Length is shorter, and the tilt angle relative to the water surface of track support frame 21 is bigger, and the second end of track support frame 21 protrudes into water Deeper, so that milling is dug, depth is deeper, on the contrary, the length that adjustment oil cylinder 26 is dug in milling is longer, then the second of track support frame 21 End protrude into it is more shallow in water, milling dig depth it is more shallow.When dredger completion dredging operation, milling digging adjustment oil cylinder 26 is extended to longer Degree, contacts the second end of track support frame 21 with the bottom, navigates by water convenient for dredger.

In a preferred embodiment, dredger further includes locating module, control module and storage device (not shown), positioning mould Block, storage device and milling are dug adjustment oil cylinder 26 and are connect with control module, and locating module is used to detect the position of dredger, storage dress Electronic drawing is stored in setting, control module digs the length of adjustment oil cylinder 26 according to the position of dredger and electronic drawing control milling Degree.Specifically, locating module can be GPS positioning module, GSM locating module etc., and control module can be programmable logic Controller (PLC), single-chip microcontroller etc., storage device can be the internal memory of dredger, or the external storage such as USB flash disk Device.Electronic drawing can be provided by the party awarding the contract of dredging engineering, wherein comprising boundary of works area, water-bed pattern, altitude datum, everybody It sets milling and digs the construction parameters such as depth.When construction, control module according to the position of parameter request and dredger in electronic drawing, from The length of adjustment oil cylinder 26 is dug in dynamic control milling, thus digs depth to adjust the milling of mud collection device 2.This control mode can Effectively elevation is dug in punctuality control, guarantee milling.

Referring to FIG. 4, in a further preferred embodiment, mud collection device 2 further includes hydraulically extensible adjuster 27, The setting of hydraulically extensible adjuster 27 matches on track support frame 21, and with crawler belt 22, for adjusting the rate of tension of crawler belt 22. Specifically, hydraulically extensible adjuster 27 is arranged near the second end of track support frame 21, when 2 use of mud collection device compared with When long-time, crawler belt 22 is easy to fluff on track support frame 21, makes the length of hydraulically extensible adjuster 27 at this time, will carry out Band 22 is propped up, to improve the rate of tension of crawler belt 22.

Fig. 3 to Fig. 9 is please referred to, grinding device 3 includes crusher 32 and pulverizer 33, and pulverizer 33 is arranged in crusher 32 Lower section.Crusher 32 is used to carry out coarse crushing to rubbish, the stone etc. in mud, and pulverizer 33 is used for the rubbish after coarse crushing Rubbish carries out essence and is crushed, and the broken rubbish of essence, stone become powdered, and the dehydration device 4 at rear is delivered to together with mud.Powder Crushing device 3 further includes feed hopper 31, outline border 35 and discharge bucket 34, and feed hopper 31 is set to the output end of mud collection device 2, i.e., The first end of track support frame 21, the mud for collecting mud collection device 2 import in grinding device 3.32 He of crusher Disintegrating machine 33 is mounted in outline border 35, and crusher 32 is located at the lower section of feed hopper 31, and discharge bucket 34 is located at the lower section of pulverizer 33, And connect with the dredging tube 51 in defeated mud channel 5, it is transported in dredging tube 51 for the smashed mud of pulverizer 33 will to be passed through.

Fig. 6 and Fig. 7 are please referred to, crusher 32 includes broken shaft 321, broken motor 323 and multiple broken blades 322. Broken motor 323 is connect to drive broken shaft 321 to rotate with broken shaft 321.Broken shaft 321 and broken blade 322 are set It sets in outline border 35, the outside of outline border 35 is then arranged in broken motor 323.Multiple broken blades 322 are arranged in broken shaft 321 Upper and along broken shaft 321 axial direction is distributed, can be spaced apart between each broken blade 322.Broken blade 322 is height Strength alloys blade.In the present embodiment, crusher 32 includes two broken shafts 321 disposed in parallel, is each crushed shaft 321 connect with a broken motor 323.Each multiple broken blades 322, and two broken shafts are provided in broken shaft 321 The axially staggered setting of broken blade 322 on 321 along broken shaft 321.When mud passes through crusher 32, be broken shaft 321 with high-speed rotation broken blade 322 by stone, iron refuse, wooden rubbish, plastic garbage in mud etc. rub at Fritter.

Fig. 8 and Fig. 9 are please referred to, pulverizer 33 includes crushing motor 336, crushing shaft 331, rotation tool apron 332, rotating knife Tool 333, fixed tool apron 334 and fixed cutting tool 335.Crush shaft 331, rotation tool apron 332, rotary cutter 333, fixed tool apron 334 and fixed cutting tool 335 be installed in outline border 35, crush motor 336 be then mounted on outside outline border 35.Crush motor 336 and powder The broken connection of shaft 331 crushes the rotation of shaft 331 to drive.Rotation tool apron 332, which is fixed on, to be crushed in shaft 331, rotary cutter 333 It is mounted on rotation tool apron 332 by bolt.Fixed tool apron 334 is fixed on the inner wall of outline border 35, and fixed cutting tool 335 passes through spiral shell Bolt is mounted on fixed tool apron 334.It rotates tool apron 332 and fixed tool apron 334 is spaced pre-determined distance.Fixed cutting tool 335 and rotation Cutter 333 is all made of high-strength alloy knife, when rotary cutter 333 turns to opposite with fixed cutting tool 335, has between the two few The gap of amount.Pulverizer 33, which also has, to be crushed feed hopper and crushes discharge bucket, and the lower section that feed hopper is located at crusher 32, powder are crushed Broken shaft 331, rotation tool apron 332, rotary cutter 333, fixed tool apron 334 and fixed cutting tool 335, which are located at, crushes feed hopper and powder Between broken discharge bucket.Crush the top that discharge bucket is located at discharge bucket 34.The revolving speed for crushing motor 336 can be higher than broken motor 323.When the mud Jing Guo 32 coarse crushing of crusher enters disintegrating machine 33 from crushing feed hopper, from rotary cutter 333 and fix Gap between cutter 335 passes through, the rotary cutter 333 of high-speed rotation by mud fritter stone and rubbish be chopped into powder Shape.

In a further preferred embodiment, fixed tool apron 334 includes the first fixed tool apron 3341 and the second fixed tool apron 3342, the first fixed tool apron 3341 and the second fixed tool apron 3342 be located at the two sides for crushing shaft 331 and interval it is default away from From.Fixed cutting tool 335 is mounted on first fixed tool apron 3341 and the second fixed tool apron 3342.Rotating tool apron 332 includes the One rotation tool apron 3321 and the second rotation tool apron 3322, the first rotation tool apron 3321 and the second rotation tool apron 3322 are separately fixed at Crush shaft 331 opposite sides face on, be located substantially on crush shaft 331 cross section it is same diametrically.First rotation Rotary cutter 333 is mounted on tool apron 3321 and the second rotation tool apron 3322.By two groups of rotary cutters 333 of setting and fix Cutter 335 allows rotation tool apron 332 band of the part mud by high-speed rotation, and by twice or even three times, essence is broken, powder Broken effect is more preferable.

In a further preferred embodiment, the first fixed tool apron 3341 and second fixes tool apron 3342 towards crushing shaft 331 face is arc-shaped, and is located to crush shaft 331 as on the same circumference in the center of circle, first fixes tool apron 3341 and second Pulverizing material inlet 337 is formed between the upper end of fixed tool apron 3342, the first fixed tool apron 3341 and second fixes tool apron 3342 Pulverizing discharging opening 338 is formed between lower end.The upper end of first fixed tool apron 3341 is equipped with fixed cutting tool 335, the second fixing cutter The lower end of seat 3342 is equipped with fixed cutting tool 335.Mud is flowed into from pulverizing material inlet 337, by the first fixed tool apron 3341 Fixed cutting tool 335 and rotary cutter 335 carry out first time smashing, and smashed part mud is flowed out from pulverizing discharging opening 338, portion Divide mud also to have little time to flow out, and be rotated the lower end that tool apron 332 takes the second fixed tool apron 3342 to, by the second fixed tool apron Fixed cutting tool 335 on 3342 carries out second and crushes, then again as rotation tool apron 332 rotates, again by the first fixing cutter Fixed cutting tool 335 on seat 3341 carries out third time smashing, finally flows out from pulverizing discharging opening 338, by crushing three times, crushes Effect is more preferable.

In a further preferred embodiment, the length in the first fixed tool apron 3341 towards face for crushing shaft 331 is less than Quarter turn is long, and the length in the second fixed tool apron 3342 towards face for crushing shaft 331 is long less than or equal to quarter turn, and first Spacing between fixed tool apron 3341 and the upper end of the second fixed tool apron 3342 is fixed less than the first fixed tool apron 3341 and second The width of spacing namely pulverizing material inlet 337 between the lower end of tool apron 3342 is less than the width of pulverizing discharging opening 338.At this In embodiment, from the view of Fig. 9, the first fixed tool apron 3341 is located at the left side for crushing shaft 331, the second fixed tool apron 3342 are located at the right side for crushing shaft 331, and crushing shaft 331 is in rotate counterclockwise.

Figure 10 to Figure 12 is please referred to, dehydration device 4 includes screen centrifuge 41, screen centrifuge rotation axis 42, strainer 43, spiral pusher Plate 44 and dehydration electric motor (not shown).Dehydration device 4 is provided with feed inlet 461 and discharge port 411.Screen centrifuge 41 and screen centrifuge turn Moving axis 42 connects, and is axis rotation with screen centrifuge rotation axis 42.Screen centrifuge 41 is generally in cylindrical structure, and screen centrifuge 41 is outer Frame is in engraved structure, such as can be the structure that moulding is formed by connecting, and is also possible to open up multiple holes on cylinder, by This allows water to pass through screen centrifuge 41 and leave dehydration device 4.Strainer 43 is cylindrical in shape, and is fixedly connected on the interior of screen centrifuge 41 On wall or outer wall, it is nested with screen centrifuge 41.In the present embodiment, strainer 43 is fixed on the inner wall of the screen centrifuge 41 On, the shape of strainer 43 is matched with the inner wall shape of screen centrifuge 41, and both ends pass through respectively strainer fixed ring 413 be fixed on from On the inner wall of heart sieve 41.Spiral pusher plate 44 in the shape of a spiral, is arranged in screen centrifuge 41 and strainer 43 and along the axial direction of strainer 43 Extend, and between feed inlet 461 and discharge port 411, for by the mud in strainer 43 from feed inlet 461 toward discharge port 411 push away.When dehydration device 4 works, the mud for being mixed with a large amount of water enters in screen centrifuge 41 from feed inlet 461, dehydration electric motor It is connect with screen centrifuge rotation axis 42, driving screen centrifuge rotation axis 42 rotates, and screen centrifuge rotation axis 42 drives screen centrifuge 41 and strainer 43 rotations, in rotation by the effect of centrifugal force, the water in mud passes through strainer 43 and screen centrifuge 41 for mud in screen centrifuge 41 Side wall, drain into outside dehydration device 4, and spiral pusher plate 44 and screen centrifuge 41 and strainer 43 relatively rotate, by 41 He of screen centrifuge Dewatered mud is pushed to 411 direction of discharge port in strainer 43, and dewatered mud is made to leave dehydration device from discharge port 411 4.Sink has can be set in the lower section of dehydration device 4, for collecting the water being discharged from the side wall of screen centrifuge 41 and strainer 43, dehydration Storage mud groove can be set in the rear end of device 4, for receiving the dewatered sludge being discharged from discharge port 411.The rear end of dehydration device 4 is also Conveyer belt 7 can be set, for dewatered mud to be transmitted to the sludge boat with dredger coordinating operation.

In a further preferred embodiment, dehydration device 4 further includes pusher shaft 45, and pusher shaft 45 is set to strainer 43 In, spiral pusher plate 44 is fixedly installed on the outer surface of pusher shaft 45, is that axle center twist extends with pusher shaft 45.Pusher Axis 45 drives spiral pusher plate 44 to rotate in same direction with screen centrifuge 41 and strainer 43, and the revolving speed of spiral pusher plate 44 is greater than screen centrifuge 41 and strainer 43 revolving speed.Pusher shaft 45 can be coaxially disposed with screen centrifuge rotation axis 42.Pusher shaft 45 can be with other independences Motor drive connection, can also be sequentially connected with dehydration electric motor.Since the revolving speed of spiral pusher plate 44 is greater than screen centrifuge 41 and filter The revolving speed of net 43, therefore mud is pushed to forward discharge port 411 by spiral pusher plate 44.

In a further preferred embodiment, the first screen centrifuge belt pulley 423 and are provided in screen centrifuge rotation axis 42 Two screen centrifuge belt pulleys 424.First screen centrifuge belt pulley 423 and the second screen centrifuge belt pulley 424 can be fixedly installed on respectively The both ends of screen centrifuge rotation axis 42, and be located on the outside of the both ends of screen centrifuge 41.Dehydration device 4 further includes differential mechanism 47, pusher shaft Pusher belt pulley 451 is provided on 45, the first screen centrifuge belt pulley 423 is sequentially connected with dehydration electric motor, the second screen centrifuge belt Wheel 424 and pusher belt pulley 451 are sequentially connected by differential mechanism 47, and the revolving speed of pusher belt pulley 451 is greater than the second screen centrifuge The revolving speed of belt pulley 424.Specifically, the first screen centrifuge belt pulley 423 is connect by belt with dehydration electric motor, in dehydration electric motor Driving under, the first screen centrifuge belt pulley 423 drives screen centrifuge rotation axis 42 and the second screen centrifuge belt pulley for being arranged on 424 rotations, since the second screen centrifuge belt pulley 424 and pusher belt pulley 451 pass through differential mechanism 47 and be sequentially connected, so that pushing away Expect that belt pulley 451 rotates under the drive of the second screen centrifuge belt pulley 424 and revolving speed is greater than the second screen centrifuge belt pulley 424. In the present embodiment, it is only necessary to a dehydration electric motor be set, the driving demand of dehydration device 4 can be met.

In a further preferred embodiment, differential mechanism 47 includes the first spider gear 471 and the second differential of coaxial arrangement Wheel 472, the second screen centrifuge belt pulley 424 and the first spider gear 471 are sequentially connected by belt, the second spider gear 471 and pusher Belt pulley 451 is sequentially connected by belt.The transmission ratio of second spider gear 472 and pusher belt pulley 451 is greater than the first spider gear 471 and second screen centrifuge belt pulley 424 transmission ratio, thus make pusher belt pulley 451 revolving speed be greater than the second screen centrifuge belt The revolving speed of wheel 424.Specifically, transmission between the two can be adjusted by adjusting the wheelspan between belt pulley and spider gear Than.

In a further preferred embodiment, screen centrifuge rotation axis 42 includes the first semiaxis 421 and second of coaxial arrangement Semiaxis 422, the first semiaxis 421 and the second semiaxis 422 mutually indepedent (being not connected to each other), and be respectively fixedly connected in screen centrifuge 41 Both ends.First screen centrifuge belt pulley 423 is set on the first semiaxis 421, and the second screen centrifuge belt pulley 424 is set to the second half On axis 422.First semiaxis 421 and the second semiaxis 422 are hollow shaft, pusher shaft 45 coaxially pass through the second semiaxis 422 protrude into from The heart sieve 41 in, and to 421 direction of the first semiaxis extend, pusher shaft 45 towards the first semiaxis 421 one end and the first semiaxis 421 it Between it is spaced apart.Pusher shaft 45 can rotate in the second semiaxis 422 relative to the second semiaxis 422.

In a preferred embodiment, dehydration device 4 further includes fixed tubular axle 46, and fixed tubular axle 46 is worn along the axial direction of screen centrifuge 41 Screen centrifuge 41 and strainer 43 are crossed, screen centrifuge rotation axis 42 and pusher shaft 44 are rotationally nested in outside fixed tubular axle 46.Fixing pipe One end of axis 46 is hollow, and extends to the middle part of fixed tubular axle 46, forms hollow section, and the hollow end of fixed tubular axle 46 is (i.e. hollow The end of one end) it is connected to grinding device 3 by defeated mud channel 5, feed inlet 461 is offered in the hollow section of fixed tubular axle 46, Feed inlet 461 is located in screen centrifuge 41.Dehydration device 4 can also include mounting bracket 40, and the both ends of fixed tubular axle 46 are fixed on In mounting bracket 40 and suspend.The smashed mud of grinding device 3 is transported to the hollow of fixed tubular axle 46 by defeated mud channel 5 Section, then flows outwardly from feed inlet 461, enters in screen centrifuge 41.The discharge port 411 of dehydration device 4 is then set to centrifugation Sieve 41 one end far from feed inlet 461.

In a further preferred embodiment, screen centrifuge 41 have close to feed inlet 461 arrival end and with arrival end phase Pair outlet end (one end i.e. far from feed inlet 461), the arrival end of screen centrifuge 41 is fixedly installed conically shaped 412, conically shaped 412 are coaxially disposed with screen centrifuge rotation axis 42.Fixed tubular axle 46 passes through conically shaped 412, and feed inlet 461 is located at conically shaped 412 In.Internal diameter of the conically shaped 412 close to one end of the arrival end of screen centrifuge 41 is less than close to one end of the outlet end of screen centrifuge 41 The horn mouth (the larger one end of internal diameter) of internal diameter namely conically shaped 412 works as conically shaped 412 towards the outlet end of screen centrifuge 41 When rotating with screen centrifuge 41, the thrust towards the outlet end of screen centrifuge 41 can be generated to the mud poured in from feed inlet 461, Be conducive to dewatering operation.

Fig. 1, Figure 13 are please referred to Figure 15, in a preferred embodiment, dredger further includes the progressive step being mounted on hull 1 Stake component 6, progressive step stake component include the first progressive step stake 61, the second progressive step stake 64, the walking of the first running gear 63, second Device 66, the first lifting device 62 and the second lifting device 65.First progressive step stake 61 and the second progressive step stake 64 are from hull 1 Extend downwardly it is underwater to protrude into, the first progressive step stake 61 and the second progressive step stake 64 approximately axially perpendicular to the water surface.The first row Walking apparatus 63 is connect with the first progressive step stake 61, and the second running gear 66 is connect with the second progressive step stake 64, the first running gear 63 and second running gear 66 for driving hull 1 relative to the first progressive step stake 61 and the second progressive step stake 62 along dredger Direction of travel is mobile.First lifting device 62 is connect with the first progressive step stake 61, the second lifting device 65 and the second progressive step stake 64 connections, the first lifting device 62 and the second lifting device 65 are respectively used to the first progressive step stake 61 of lifting and the second progressive step stake 64.It, first will be by the first lifting device 62 and the second lifting device 65 by the first row when dredger will move during dredging Progress stake 61 and the second progressive step stake 64 are fallen, and so that the first progressive step stake 61 and the second progressive step stake 64 is inserted into riverbed bottom fixed Position, then the first running gear 63 and the second running gear 66 can drive hull 1 relative to the first progressive step stake 61 and the jointly Two progressive step stakes 62 move forward, when walking is to the extreme limit of travel of the first running gear 63 and the second running gear 66, first liter Falling unit 62 and the second lifting device 65 rise the first progressive step stake 61 and the second progressive step stake 64,61 He of the first progressive step stake Riverbed is left in the bottom end of second progressive step stake 64, and the first running gear 63 and the second running gear 66 reset, then again by the One progressive step stake 61 and the second progressive step stake 64 are fallen, and are looped back and forth like this, and realize that dredger is moved along.Conversely, passing through tune The control instruction of whole first running gear 63 and the second running gear 66 also may be implemented dredger and move backward.

In a further preferred embodiment, the first running gear 63 and the second running gear 66 include walking carriage 631/661, rail 632/662 and trolley oil cylinder 633/663, rail 632/662 are fixed on hull 1, walking carriage 631/661 It is movably disposed on rail 632/662, one end of trolley oil cylinder 633/663 is fixed relative to rail 632/662, such as connects It is connected on hull 1, the other end is connect with walking carriage 631/661, to drive walking carriage 631/661 relative to rail 632/ 662 is mobile.The controller of dredger controls the flexible of trolley oil cylinder 633/663 by fluid pressure line.First progressive step stake 61, One lifting device 62, the second progressive step stake 64 and the second lifting device 65 are separately positioned on the first running gear 63 and the second walking On the walking carriage 631/661 of device 66.Multiple idler wheels 6611 are provided on walking carriage 661, idler wheel 6611 can be in rail It is rolled on 662, to keep walking carriage 661 mobile relative to rail 662.Multiple rollings are equally also equipped on walking carriage 631 Wheel.When dredger moves forward, trolley oil cylinder 633/663 is first set to be retracted to most short position, then by 61 He of the first progressive step stake The positioning of riverbed bottom is inserted into second progressive step stake 64, then makes the synchronous elongation of trolley oil cylinder 633/663, due to the first progressive step stake 61 and second progressive step stake 64 it is fixed, therefore walking carriage 631/661 can apply reaction force to trolley oil cylinder 633/663, by This pushes hull 1 to move forward.When the elongation of trolley oil cylinder 633/663 to longest position, by the first progressive step stake 61 and second Progressive step stake 64 is risen, and then trolley oil cylinder 633/663 is retracted to most short position again, by the first progressive step stake 61 and the second row The positioning of riverbed bottom is inserted into progress stake 64.And so on, hull 1 is moved forward constantly as needed.If necessary to hull 1 to After move, then first by trolley oil cylinder 633/663 extend to longest position, then by the first progressive step stake 61 and the second progressive step stake 64 insertion riverbed bottom positioning, then make trolley oil cylinder 633/663 is synchronous to shorten, move hull 1 backward.

In a further preferred embodiment, the first lifting device 62 includes the first lifting cylinder, the second lifting device 65 Including the second lifting cylinder, the telescopic direction of the first lifting cylinder and the second lifting cylinder respectively with the first progressive step stake 61 and Axial parallel namely the first lifting cylinder of two progressive step stakes 64 and the second lifting cylinder stretch along the vertical direction.First lifting One end of oil cylinder is connected to the top of the first progressive step stake 61, and the other end is connected to the walking carriage 631 of the first running gear 63 On, one end of the second lifting cylinder is connected to the top of the second progressive step stake 64, and the other end is connected to the second running gear 66 On walking carriage 661.When first lifting cylinder and the second lifting cylinder extend, then the first progressive step stake 61 and the second progressive step stake 64 rise, and when the first lifting cylinder and the second lifting cylinder shorten, then the first progressive step stake 61 and the second progressive step stake 64 are fallen. The controller of dredger controls the flexible of the first lifting cylinder and the second lifting cylinder by fluid pressure line.

In a further preferred embodiment, hydraulic stake is provided in the first progressive step stake 61 and the second progressive step stake 64 Folder 611/641, hydraulic pile holder 611/641 is connect with the top of the first lifting cylinder and the second lifting cylinder respectively, and is pressed from both sides respectively The first progressive step stake 61 and the second progressive step stake 64 are held, to make the first progressive step stake 61 and the second progressive step stake 64 and first liter The end connection of oil cylinder and the second lifting cylinder is dropped,.

In a further preferred embodiment, dredger further includes control module, and control module is according to amount to be dredged and digging The speed of travel of mud speed control the first running gear 63 and the second running gear 66.Specifically, control module can be for can Programmed logic controller (PLC), single-chip microcontroller etc., control module can be according to determined by electronic drawing above-mentioned and locating modules Dredger position determines that the water-bed pattern and milling in front of dredger dig the construction parameters such as depth, thus calculates the period Amount to be dredged (i.e. mud number formulary amount), sonar depth sounder can also be set in stem, the depth of water measured according to sonar depth sounder and The difference of depth is dug in the milling that electronic drawing requires, and amount to be dredged is calculated, as correcting mode.Speed of dredging then can be before factory It is obtained by test, flow detector (such as flowmeter) can also be set in the front end in defeated mud channel 5, detect defeated mud channel Flow in 5 unit time, obtains speed of dredging.The speed of travel of first running gear 63 and the second running gear 66 can be with It is equivalent to the stretching speed of trolley oil cylinder 633/663, it can be with the inversely proportional relationship of amount to be dredged.In the feelings of constant airspeed of dredging Under condition, the amount to be dredged of some position is bigger, then the speed of travel of the first running gear 63 and the second running gear 66 is slower, instead ?.

Fig. 2 and Figure 16 are please referred to, in a preferred embodiment, dredger further includes the medicament cabin 12/13 being set on hull 1 With medicament pond 16, medicament cabin 12/13 and medicament pond 16 are connected.Dredge pump 52 is provided in defeated mud channel 5, dredge pump 52, which is located at, crushes dress Set between 3 and dehydration device 4, for by the smashed sludge pump of grinding device 3 to dehydration device 4.Medicament cabin 12/13 and dredge pump In 52 connections or the mud conveying pipeline 51 that is connected between dredge pump 52 and grinding device 3, for be added into mud flocculant and/ Or the medicaments such as bactericidal agent, make mud that flocculation reaction occur, in favor of the dehydration of subsequent dehydration device 4.Equipped with a large amount of in medicament pond 16 Medicament, for supplying corresponding medicament to medicament cabin 12/13.Since medicament cabin 12/13 connect or is connected to mud with dredge pump 52 On mud conveying pipeline 51 between pump 52 and grinding device 3, therefore it joined the mud of flocculant and/or bactericidal agent by dredge pump By high-speed rotation when 52, so that flocculant and/or bactericidal agent be made to spread more evenly across in mud.In the present embodiment, medicament Cabin 12/13 and dredge pump 52 pass through piping connection.

In a further preferred embodiment, defeated mud channel 5 further includes the first slurry cabin 53 and the second slurry cabin 54, and first Slurry cabin 53 is between dredge pump 52 and grinding device 3, and the second slurry cabin 54 is between dredge pump 52 and dehydration device 4.First The cross sectional dimensions of slurry cabin 53 and the second slurry cabin 54 is greater than the caliber of mud conveying pipeline 51, therefore the silt in mud conveying pipeline 51 Mud can be accumulated and be stayed for some time in the first slurry cabin 53 and the second slurry cabin 54, so as to prevent dredge pump 52 from inhaling Empty phenomenon.

In a further preferred embodiment, defeated mud channel 5 further includes the first eddy flow mechanism 55 and the second eddy flow mechanism 56, First eddy flow mechanism 55 and the second eddy flow mechanism 56 are arranged in the mud conveying pipeline 51 between dredge pump 52 and dehydration device 4, are used for Make the mud in mud conveying pipeline 51 that eddy flow occur, and the eddy flow of the first eddy flow mechanism 55 and the second eddy flow mechanism 56 is contrary. First eddy flow mechanism 55 and the second eddy flow mechanism 56 can be the helical form guide plate being arranged in mud conveying pipeline 51, and the two The hand of spiral by helical form guide plate on the contrary, make mud that eddy flow occur.Mud conveying pipeline 51 can carry out repeatedly curved in hull 1 The bending place of mud conveying pipeline 51 is arranged in folding, the first eddy flow mechanism 55 and the second eddy flow mechanism 56.Pass through the first eddy flow mechanism 55 With the opposite direction eddy flow twice of the second eddy flow mechanism 56, the flocculant and/or bactericidal agent that mud can be enable and be added thereto Enough mix more uniform.

In a further preferred embodiment, defeated mud channel 5 further includes third eddy flow mechanism 57, the first eddy flow mechanism 55, Second eddy flow mechanism 56 and third eddy flow mechanism 57 are successively set between dredge pump 52 and dehydration device 4 namely mud is from dredge pump After pumping out in 52, successively after the first eddy flow mechanism 55, the second eddy flow mechanism 56 and third eddy flow mechanism 57, dehydration is entered back into Device 4.First eddy flow mechanism 55 is identical with the eddy flow direction of third eddy flow mechanism 57 namely the eddy flow side of the second eddy flow mechanism 56 To contrary with the eddy flow of third eddy flow mechanism 57.The eddy flow that can make mud that opposite direction twice occur is set in this way, Mud can be enable to mix more uniform with the flocculant and/or bactericidal agent being added thereto.

In a preferred embodiment, medicament cabin include the first sub- medicament cabin 12, the second sub- medicament cabin 13 and compound pump 14, first Sub- medicament cabin 12 is connected to the second sub- medicament cabin 13 by the circulation of interface channel 58, and compound pump 14 is set to the first sub- medicament cabin 12 And at the second interface channel 58 between sub- medicament cabin 13, for conveying medicament, allow medicament in the first sub- medicament cabin 12 And second recycle between sub- medicament cabin 13.Specifically, the first sub- medicament cabin 12 can be flocculant cabin, the second sub- medicament cabin 13 It can be bactericidal agent cabin.First sub- medicament cabin 12 and dredge pump 52 (or mud conveying pipeline 51 between dredge pump 52 and grinding device 3) Between can also be connected by interface channel 58, and be provided with control valve (not shown) on the interface channel 58.In the prior art, Flocculant is added into mud, needed aboard ship to be arranged dedicated flocculant modulation cabin, modulated by the way of tradition stirring Flocculant, short time consumption is longer, generally at 1 more than hour, and if the amount of sludge of creek dredging is big, must expend big The container of volume stores modulated flocculant, compares the space for occupying hull 1.And in the present embodiment, it is controlled opening Valve before conveying medicament to dredge pump 52, first makes medicament high-speed circulating between the first sub- medicament cabin 12 and the second sub- medicament cabin 13 Flowing completes the modulation of the medicaments such as flocculant, then opens control valve, the medicaments such as flocculant are transported in dredge pump 52.It is used in The mode that high-speed circulating flows between first sub- medicament cabin 12 and the second sub- medicament cabin 13 modulates the medicaments such as flocculant, can save About 3/4ths modulation time, and which does not need the flocculant that will be modulated and separately stores, and can save hull 1 Space.

The dredger of the embodiment of the present invention can be dehydrated mud by the way that dehydration device is arranged, make the weight of mud It is greatly reduced with volume, convenient for the transport of mud.

Each technical characteristic of embodiment described above can be combined arbitrarily, for simplicity of description, not to above-mentioned reality It applies all possible combination of each technical characteristic in example to be all described, as long as however, the combination of these technical characteristics is not deposited In contradiction, all should be considered as described in this specification.

The several embodiments invented above described embodiment only expresses, the description thereof is more specific and detailed, but not It can therefore be construed as limiting the scope of the patent.It should be pointed out that for those of ordinary skill in the art, Without departing from the inventive concept of the premise, various modifications and improvements can be made, these belong to protection model of the invention It encloses.Therefore, the scope of protection of the patent of the invention shall be subject to the appended claims.

Claims (10)

1. a kind of grinding device, which is characterized in that including crusher and pulverizer, the crusher is arranged in the pulverizer Lower section, the crusher include broken shaft, broken motor and multiple broken blades, the broken motor and the broken shaft To drive the broken shaft rotation, the multiple broken blade is arranged in the broken shaft and along described broken turn for connection The axial distribution of axis, the pulverizer include crushing motor, crushing shaft, rotation tool apron, rotary cutter, fixed tool apron and fixation Cutter, the crushing motor are connect to drive the crushing shaft to rotate with the crushing shaft, and the rotation tool apron is fixed on In the crushing shaft, the rotary cutter is mounted on the rotation tool apron, and the fixed cutting tool is mounted on the fixing cutter On seat, the rotation tool apron and the fixed tool apron interval pre-determined distance.

2. grinding device according to claim 1, which is characterized in that the fixed tool apron includes the first fixed tool apron and the Two fixed tool aprons, the described first fixed tool apron and the second fixed tool apron are located at the two sides for crushing shaft and are spaced default It is mounted on fixed cutting tool on distance, the described first fixed tool apron and the second fixed tool apron, the rotation tool apron includes first turn Moving knife seat and the second rotation tool apron, the first rotation tool apron and the second rotation tool apron are fixed on opposite the two of the crushing shaft On side, rotary cutter is mounted on the first rotation tool apron and the second rotation tool apron.

3. grinding device according to claim 2, which is characterized in that the described first fixed tool apron and the second fixed tool apron court It is arc-shaped to the face for crushing shaft, and be located at using the crushing shaft as on the same circumference in the center of circle, described first is solid Pulverizing material inlet is formed between stationary knife seat and the upper end of the second fixed tool apron, the described first fixed tool apron and second fix tool apron Pulverizing discharging opening is formed between lower end, the upper end of the described first fixed tool apron is equipped with the fixed cutting tool, and described second is fixed The lower end of tool apron is equipped with the fixed cutting tool.

4. grinding device according to claim 3, which is characterized in that described first fixes tool apron towards the crushing shaft The length in face be less than that quarter turn is long, the length in the second fixed tool apron towards the face for crushing shaft is less than or equal to Quarter turn is long, and the spacing between the described first fixed tool apron and the upper end of the second fixed tool apron is less than first fixing cutter Spacing between seat and the lower end of the second fixed tool apron.

5. grinding device according to claim 1, which is characterized in that the crusher includes two disposed in parallel broken Shaft, each broken shaft is connect with a broken motor, is each provided with multiple broken blades in broken shaft, and two broken The axially staggered setting of broken blade in shaft along the broken shaft.

6. a kind of dredger, which is characterized in that including hull, mud collection device and as described in any one of claim 1 to 5 Grinding device, the grinding device are set on the hull, and the mud collection device is connect with the hull, for that will become silted up Mud is collected on the hull, and the grinding device is for crushing mud.

7. dredger according to claim 6, which is characterized in that the mud collection device includes track support frame, carries out Band, shaft, driver and multiple milling buckets, the track support frame, which connect and tilted with the hull, stretches out in the hull Outside, the shaft is rotatably connected on the track support frame, and the crawler belt is movably attached the crawler belt support On frame, and cooperating with the shaft, the multiple milling bucket is connect with the crawler belt, and the driver is connect with the shaft, For driving the shaft to rotate, the shaft is for driving the crawler belt to rotate on the track support frame.

8. dredger according to claim 7, which is characterized in that the first end of the track support frame is located at the hull On, second end stretches out the hull and is lower than the first end, and the track support frame is rotatably connected with the hull, described Mud collection device further includes that adjustment oil cylinder is dug in milling, and the first end that adjustment oil cylinder is dug in the milling is connected on the hull, and second End be connected on the track support frame, and it is described milling dig adjustment oil cylinder second end relative to the track support frame with it is described Second end of the junction of hull close to the track support frame.

9. dredger according to claim 6, which is characterized in that the grinding device further includes feed hopper, outline border and goes out Hopper, the feed hopper are set to the output end of mud collection device, and the crusher and pulverizer are mounted in the outline border, The crusher is located at the lower section of the feed hopper, and the discharge bucket is located at the lower section of the pulverizer.

10. dredger according to claim 6, which is characterized in that the dredger further includes that dehydration device and defeated mud are logical Road, the dehydration device and defeated mud channel are set on the hull, the grinding device by the defeated mud channel with it is described Dehydration device connection, the dehydration device includes screen centrifuge, screen centrifuge rotation axis, strainer, spiral pusher plate and dehydration electric motor, institute It states dehydration device and is provided with inlet port and outlet port, the screen centrifuge and the screen centrifuge rotate axis connection, and the strainer is in cylinder Shape is fixedly connected and is nested with the screen centrifuge, and the spiral pusher plate is arranged in the strainer and along the strainer It is axially extending, and between the feed inlet and the discharge port, the dehydration electric motor and the screen centrifuge rotation axis connect It connects, the screen centrifuge rotation axis is driven to rotate, the screen centrifuge and strainer and the spiral pusher plate relatively rotate.