CN209006134U - Screening machine - Google Patents
Screening machine Download PDFInfo
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- CN209006134U CN209006134U CN201821387040.6U CN201821387040U CN209006134U CN 209006134 U CN209006134 U CN 209006134U CN 201821387040 U CN201821387040 U CN 201821387040U CN 209006134 U CN209006134 U CN 209006134U
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Abstract
The utility model discloses a kind of screening machines, are related to material transmission manufacture field, have achieved the purpose that screening machine does not sieve discharging.This screening machine includes: frame body, and frame body is provided with feed inlet；Channel is sieved, sieves the first entrance in channel for being connected to feed inlet, the bottom surface for sieving channel is provided with sieve；Receiving warehouse, for being connected to feed inlet, receiving warehouse is arranged below sieve the second entrance of receiving warehouse, and receiving warehouse is connected to by sieve with screening channel, and the bottom end of receiving warehouse is provided with the first discharge port；Reversing mechanism, reversing mechanism are arranged at first entrance and second entrance, and reversing mechanism is used to close first entrance and open second entrance, or opens first entrance and close second entrance.It is connected to so that feed inlet is connected to or does not sieve with receiving warehouse with screening channel, so that the screening machine not only may be screened transmission and can not also be sieved direct transmission.The utility model is mainly used for material screening transmission.
Description
Technical field
The utility model relates to material transmission manufacture field more particularly to a kind of screening machines.
Background technique
Screening machine utilizes the relative motion of material and compass screen surface, makes partial material through compass screen surface, and the material of traditional screening machine is logical
It is often that screening machine is entered by feed inlet, by the vibration of sieve plate on sieve, the selection of material is realized, in full automatic flowing water
In line, the material needs sieved continue to transmit, and when material is smaller, if material still passes through sieve vibration output, waste
Energy；When material is larger, material then cannot pass through screening machine output, i.e., when material does not need screening, cannot achieve screening
Machine does not sieve the possibility of discharging.
Utility model content
In view of this, the utility model embodiment provides a kind of screening machine, main purpose is to realize that screening machine does not screen out
Material.
In order to achieve the above objectives, the utility model mainly provides the following technical solutions:
On the one hand, the utility model embodiment provides a kind of screening machine, comprising:
Frame body, the frame body are provided with feed inlet；
Channel is sieved, the first entrance in the screening channel with the feed inlet for being connected to, the bottom in the screening channel
Face is provided with sieve；
Receiving warehouse, for being connected to the feed inlet, the receiving warehouse is arranged described the second entrance of the receiving warehouse
Below sieve, the receiving warehouse is connected to by the sieve with the screening channel, and the bottom end of the receiving warehouse is provided with first
Discharge port；
Reversing mechanism, the reversing mechanism are arranged at the first entrance and the second entrance, the reversing mechanism
For closing the first entrance and open the second entrance, or open the first entrance and close described second
Mouthful.
Specifically, the reversing mechanism includes reversing plate.
Specifically, the reversing plate is rotationally connected between the first entrance and the second entrance.
Specifically, the reversing mechanism further includes driving device and connecting rod, the first end of the connecting rod and the driving are filled
Connection is set, the second end of the connecting rod is flexibly connected with the reversing plate, and the driving device is used to turn for the reversing plate
It is dynamic that power is provided.
Specifically, the reversing plate connect with the connecting rod be provided with T-slot track, the second end of the connecting rod on one side
It is provided with retention bead, when the connecting rod drives reversing plate rotation, the retention bead is sliding in the T-slot track
It is dynamic.
Specifically, the first end of the connecting rod is connect with the driving device, the second end of the connecting rod by loop chain with
The reversing plate connection.
Specifically, the first entrance and second entrance edge inner wall are provided with limiting section, when the reversing plate
When closing the first entrance or the second entrance, the limiting section is bonded with the reversing plate；
The limiting section is around one week protrusion of inner wall.
Specifically, the screening channel is provided with the second discharge port far from one end of the first entrance.
Specifically, the side in the screening channel is provided with baffle, the baffle is along the screening channel transfer material
Direction extend.
Specifically, the screening machine includes vibrating motor, the vibrating motor is connect with the sieve.
Reversing mechanism is set in screening machine, and reversing mechanism is for changing feedstock direction, when reversing mechanism will sieve channel
First entrance open, the second entrance of receiving warehouse is closed, when so that feed inlet be connected to screening channel, material enters to sieve and lead to
Road, material fall into receiving warehouse and by the first discharge port output so that material carries out adding for next step after sieve sieves
Work；When reversing mechanism opens the second entrance of receiving warehouse, the first entrance in screening channel is closed, so that feed inlet and receiving warehouse
When connection, material is directly entered receiving warehouse and by the first discharge port output so that material carries out next step without screening
Processing increases screening machine so that the screening machine not only may be screened transmission and can not also be sieved direct transmission
Use scope.
Detailed description of the invention
Fig. 1 is a kind of screening machine structural schematic diagram provided by the embodiment of the utility model.
Specific embodiment
Further to illustrate that the utility model is the technical means and efficacy reaching predetermined purpose of utility model and being taken,
Below in conjunction with attached drawing and preferred embodiment, to according to the utility model proposes screening machine specific embodiment, structure, feature and
Its effect, detailed description is as follows.
The utility model embodiment provides a kind of screening machine, such as Fig. 1, comprising:
Frame body, frame body are provided with feed inlet 1；
Channel is sieved, sieves the first entrance 2 in channel for being connected to feed inlet 1, the bottom surface for sieving channel is provided with sieve
Net 3；
Receiving warehouse 4, for being connected to feed inlet 1, receiving warehouse 4 is arranged below sieve 3 second entrance of receiving warehouse 4, receives
Feed bin 4 is connected to by sieve 3 with screening channel, and the bottom end of receiving warehouse 4 is provided with the first discharge port 5；
Reversing mechanism, reversing mechanism are arranged at first entrance 2 and second entrance, and reversing mechanism is for closing first entrance
2 and second entrance is opened, or opens first entrance 2 and close second entrance.
Screening machine is the relative motion using material and compass screen surface, makes partial material through sieve pore, and material is pressed granular size
It is divided into the vibration screening machinery equipment of different stage, screening machine screening process is usually continuous, and screening raw material is given to screening machine
After on tool, the material less than screen size penetrates sieve pore, referred to as undersized product；Greater than screen size material from compass screen surface not
Disconnected discharge, referred to as sieves upper product, and the particle rank of screening depends on compass screen surface, the sieve 3 of the screening machine can for comb grid, screen or
Mesh screen, comb grid are suitable for screening large granular materials；Screen service life is longer, is not easy to plug, and is suitable for screening medium grain；Net
Sieve is weaved into or is welded by steel wire, and hole is square, rectangle or strip, and effective area is larger, and the compass screen surface situation of screening machine can divide
Are as follows: fixed compass screen surface, roller compass screen surface, vibrating screen surface, roller bearing compass screen surface, gravity flow screen can be divided into gravity flow screen lattice and two kinds of strip-type screen, fixed
Diagrid structure is simple, easily manufactured, does not consume power, directly material can be discharged on compass screen surface；The revolving speed of rotary screen is very low, works
Steadily, dynamic equilibrium is good；Compass screen surface gradient and the screen rate of vibrating screen are inversely proportional, and compass screen surface gradient is bigger, and flowing velocity is faster；
The operating mechanism of roller picker is arranged in parallel in the horizontal plane by several screen axis, and each screen axis rotates at same direction, makes material edge
Compass screen surface travels forward, while conveying material, and the particle in material less than screen slot size is fallen from screen slot, greater than screen slot size
Particle is stayed on compass screen surface and is continued to move along, and when which selects vibrating screen, vibrating screen is by dither motor, sieve 3, vibration
It moves spring and frame body composition, is provided with feed inlet 1, receiving warehouse 4, the first discharge port 5 and the second discharge port in frame body
6, the setting of feed inlet 1 is directly connected to screening channel in frame body top, existing screening machine inlet 1, sieves channel
Bottom surface is provided with sieve 3, and receiving warehouse 4 is arranged below sieve 3, and the material that material obtains after the screening of sieve 3 falls into receiving warehouse 4
In, the first discharge port 5 is arranged in the bottom end of receiving warehouse 4, and the screenings obtained after screening is exported by the first discharge port 5 to assembly line
In, screening channel one end opposite with feed inlet 1 is provided with the second discharge port 6, and the second discharge port 6 is for exporting oversize, originally
Screening machine in utility model improves on the basis of existing screening machine, is connected to feed inlet 1 directly with screening channel,
Original communicating passage is divided into two, feed inlet 1 is made not only can be connected to but also can directly connect with receiving warehouse 4 with screening channel
It is logical, the entrance that feed inlet 1 is connected to screening channel is known as first entrance 2, feed inlet 1 is entered with what receiving warehouse 4 was directly connected to
Mouth is known as second entrance, and reversing mechanism is arranged between first entrance 2 and second entrance, and reversing mechanism opens first entrance 2
When second entrance is closed, feed inlet 1 is connected to screening channel, and material is defeated by the first discharge port 5 of receiving warehouse 4 after being sieved
Out, when reversing mechanism makes first entrance 2 close second entrance opening, feed inlet 1 is directly connected to receiving warehouse 4, and material does not need
Sieve and directly exported by the first discharge port 5 of receiving warehouse 4, wherein the mode of switching reversing mechanism can be manually can also
Think that machine driving, mechanically operated driving method can be electronic, pneumatic, hydraulic drive, drives the device of reversing mechanism can
To be electrically connected with the device such as vibrating motor 10 for providing power for screening machine screening, screening machine while switching reversing mechanism
Power supply is also opened or closed, and when being connected to feed inlet 1 with screening channel, the vibration of sieve 3 of screening machine is sieved, when
When being connected to feed inlet 1 directly with receiving warehouse 4, the sieve 3 of screening machine stops vibration, saves electric energy, blocked in reversing mechanism or
The structure for opening entrance can be slab construction or be other structures such as strip structure of the high speed rotation at plane, when blocking or
When the structure for opening entrance is reversing plate 7, reversing plate 7 can be rotated or be slided between first entrance 2 and second entrance, when
When reversing plate 7 is rotatably connected on screening machine, shaft is arranged between first entrance 2 and second entrance, and reversing plate 7 passes through the
It is swung between one entrance 2 and second entrance to block or open entrance, reversing plate 7 and entrance opening dimension adaptation or reversing plate 7 and compare
Inlet area is big, prevents material from entering error channel, when reversing plate 7 is slidably connected on screening machine, first entrance 2 and second
Slideway is set between entrance, and slideway end setting position limiting structure prevents 7 from deviating from the position of reversing plate, and reversing mechanism passes through control commutation
The sliding position of plate 7 is switched into the connection of material mouth 1 Yu entrance, and sieve 3 can be horizontal or be inclined at screening channel
Bottom surface, inclined sieve 3 can use the gravity of material itself while being sieved and being transmitted, and save energy, and receiving warehouse 4 is arranged
It can discharge and faster more concentrate to avoid material accumulation in screening machine for infundibulate, convenient for carrying out the processing of next step to material.
Reversing mechanism is set in screening machine, and reversing mechanism is for changing feedstock direction, when reversing mechanism will sieve channel
First entrance open, the second entrance of receiving warehouse is closed, when so that feed inlet be connected to screening channel, material enters to sieve and lead to
Road, material fall into receiving warehouse and by the first discharge port output so that material carries out adding for next step after sieve sieves
Work；When reversing mechanism opens the second entrance of receiving warehouse, the first entrance in screening channel is closed, so that feed inlet and receiving warehouse
When connection, material is directly entered receiving warehouse without screening, and passes through the first discharge port output so that material carries out next step
Processing so that the screening machine not only may be screened transmission can not also be sieved direct transmission, increase screening machine
Use scope.
Specifically, reversing mechanism includes reversing plate 7.Reversing plate 7 is rotatably connected on the screening channel of screening machine by shaft
First entrance 2 and receiving warehouse 4 second entrance between, existing screening machine middle charging aperture 1 be only connected to sieve 3 composition screening
Original screening feeder connection is divided by the screening machine in channel, entrance of the feed inlet 1 as screening channel, the utility model design
The first entrance 2 in channel and the second entrance of receiving warehouse 4 are sieved, feed inlet 1 is no longer a part for sieving channel, feed inlet 1
It is no longer only connected to sieve 3 and also needs to be connected to receiving warehouse 4, first entrance 2 and second entrance are all close to feed inlet 1, feed inlet 1
It is connected to screening channel by first entrance 2, feed inlet 1 is connected to receiving warehouse 4 by second entrance, it is only necessary to by existing screening
The structural demolition of isolation feed inlet 1 and receiving warehouse 4 of the machine at 1 position of feed inlet, the position of the dismounting is receiving warehouse 4
Second entrance, simply transformation can be obtained on the basis of existing screening machine, and reversing plate 7 is movably connected in isolation screening channel and receipts
In the rack construction of feed bin 4, and reversing plate 7 makes reversing plate 7 on screening machine between first entrance 2 and second entrance
First entrance 2 can be opened when movable and simultaneously close second entrance, or first entrance 2 is closed second entrance simultaneously
It opens, the area of reversing plate 7 will guarantee to block two entrances completely, transmit material in screening machine accurately, reversing plate 7
Movable connection method with screening machine can be to be rotatablely connected or being slidably connected, and the structure of reversing plate 7 is simple, and commutation can lead to
It crosses manual operation or increases the device of driving commutation, increasing driving device keeps switching operation simple and easy, or works as first and enter
Mouthfuls 2 and second entrance distance farther out when, reversing plate 7 is set in first entrance 2 and/or second entrance, when needing to open entrance
When, reversing plate 7 is accommodated in entrance inner wall；When needing to close entrance, reversing plate 7 conceals the entrance, and the position of reversing plate 7 switches dress
It sets and is electrically connected with the motor 10 for providing power for sieve 3, open motor 10 when second entrance is closed when first entrance 2 and drive sieve
3 vibrations, material fall into receiving warehouse 4 by the screening of screening channel；Motor 10 when second entrance is opened is closed when first entrance 2 to close
It closes, material is directly entered receiving warehouse 4 by second entrance, saves electric energy.
Specifically, reversing plate 7 is rotationally connected between first entrance 2 and second entrance.Shaft is arranged in first entrance 2
Between second entrance, one side of reversing plate 7 is connect with shaft, and shaft rotation drives reversing plate 7 to change direction, when reversing plate 7
When driving rotation by driving mechanism, shaft is connected with machine shaft, and machine shaft rotation drives reversing plate 7 to change direction, driving
Mechanism can also be electric cylinder, pneumatic, hydraulic device, and driving reversing plate 7 to change direction using driving device keeps commutating speed fast,
Rotation connection keeps reversing plate 7 and frame body contact area small, avoids the friction generated by commutation to frame body and reversing plate 7
It damages.
Specifically, reversing mechanism further includes driving device and connecting rod 8, the first end of connecting rod 8 is connect with driving device, connecting rod
8 second end is flexibly connected with reversing plate 7, and driving device is used to provide power for the rotation of reversing plate 7.Use 8 structure of connecting rod
Driving device is connected with reversing plate 7 can preferably control the movement position of reversing plate 7, stablize commutation process, simultaneously
Increasing connecting rod 8 can choose multiple drive, driving device can for electric cylinder, cylinder, hydraulic cylinder, connecting rod 8 one end with
Reversing plate 7 connects, and the other end of connecting rod 8 and the drive rod of driving device connect.
Specifically, reversing plate 7 connect with connecting rod 8 be provided with T-slot track on one side, the second end setting of connecting rod 8 is limited
Position protrusion, when connecting rod 8 drives reversing plate 7 to rotate, retention bead is in T-slot gliding in tracks.On T-slot track and connecting rod 8
Protrusion match, when reversing plate 7 is rotationally connected between the first entrance 2 of screening machine and second entrance, driving device is driven
Connecting rod 8 drives reversing plate 7 to change direction, is flexibly connected between connecting rod 8 and reversing plate 7, such as Fig. 1, when connecting rod 8 enters from opening first
When 2 closing second entrances of mouth switch to the closing opening second entrance of first entrance 2, connecting rod 8 pulls reversing plate 7, and protrusion makes T-slot
Under tension, reversing plate 7 are pulled at first entrance 2；It is beaten when connecting rod 8 is switched to from the closing opening second entrance of first entrance 2
When opening the closing second entrance of first entrance 2, connecting rod 8 pushes reversing plate 7, and connecting rod 8 makes T-slot by thrust, and reversing plate 7 is pushed to
At second entrance, due to the rotation of reversing plate 7, the linear motion of connecting rod 8 or connecting rod 8 are rotated but turn of connecting rod 8 and reversing plate 7
Axis is not a position, and during connecting rod 8 drives reversing plate 7 to commutate, relative motion, rail can occur for connecting rod 8 and reversing plate 7
Road slot provides the space that connecting rod 8 is moved relative to reversing plate 7, and so that connecting rod 8 is not departed from reversing plate 7 reversing plate 7 can move relatively again,
T-slot uses existing aluminum alloy trough box, and aluminum alloy trough is fixed on reversing plate 7, is arranged at the both ends of aluminum alloy trough
Position limiting structure, one end by connecting rod 8 with protrusion are arranged in aluminum alloy trough.
Specifically, the first end of connecting rod 8 is connect with driving device, the second end of connecting rod 8 is connected by loop chain and reversing plate 7
It connects.Connecting rod 8 had not only connect but also had done relative motion with the connection structure of reversing plate 7, and such structure is connected there are also shaft and loop chain
Connection, when connecting rod 8 is connect with reversing plate 7 by structure with linked rings, such as Fig. 1, when connecting rod 8 enters from the closing of first entrance 2 second is opened
Mouth switches to when closing first entrance 2 and opening second entrance, and connecting rod 8 is pulled to the by loop chain pulling reversing plate 7, reversing plate 7
At one entrance 2；When connecting rod 8 switches to the opening closing second entrance of first entrance 2 from the opening second entrance of first entrance 2 is closed
When, connecting rod 8 pushes reversing plate 7, and reversing plate 7 is pushed at second entrance.
Specifically, first entrance 2 and second entrance edge inner wall are provided with limiting section, first is closed when reversing plate 7 and is entered
When mouth 2 or second entrance, limiting section is bonded with reversing plate 7；Limiting section is around one week protrusion of inner wall.In order to minimize sieve
Material is saved in the self weight of extension set, and the area of reversing plate 7 should not be too large, and can all close first entrance 2 and second entrance i.e.
Can, ambassador's reversing plate 7 will not be crossed because of dynamics during setting limiting section makes reversing plate 7 in commutation in inlet enter
Mouthful, the position that limiting section, which is arranged around one week protrusion of inner wall, makes reversing plate 7 and entrance be in contact does not have gap, prevents object
Material enters error channel.
Specifically, screening channel is provided with the second discharge port 6 far from one end of first entrance 2.Second discharge port 6 is for defeated
Oversize out, when reversing mechanism, which opens first entrance 2, closes second entrance, material enters screening channel, screening from feed inlet 1
Obtained screenings falls into receiving warehouse 4, transfers out from the first discharge port 5 of 4 low side of receiving warehouse, and the oversize sieved is logical
Cross the output of the second discharge port 6；When reversing mechanism, which closes first entrance 2, opens second entrance, material enters rewinding from feed inlet 1
Storehouse 4 is transferred out from the first discharge port 5 of 4 low side of receiving warehouse.
Specifically, the side in screening channel is provided with baffle 9, baffle 9 extends along the direction of screening channel transfer material.
The bottom surface in screening channel is provided with sieve 3, and the side for sieving channel is provided with baffle 9, and when screening machine work, sieve 3 vibrates
Drive material vibrating, baffle 9 can be to avoid the materials from spattering to screening machine of vibration outside, cause material waste and environmental pollution, together
When tilted-putted sieve 3 utilize gravity to slide oversize to the second discharge port 6 while vibrating, baffle 9 makes material
The direction of motion is restricted.
Specifically, screening machine includes vibrating motor 10, vibrating motor 10 is connect with sieve 3.Vibrating motor 10 passes through vibration
Spring is connect with sieve 3, provides power for the vibration of sieve 3.
Reversing mechanism is set in screening machine, and reversing mechanism is for changing feedstock direction, when reversing mechanism will sieve channel
First entrance open, the second entrance of receiving warehouse is closed, when so that feed inlet be connected to screening channel, material enters to sieve and lead to
Road, material fall into receiving warehouse and by the first discharge port output so that material carries out adding for next step after sieve sieves
Work；When reversing mechanism opens the second entrance of receiving warehouse, the first entrance in screening channel is closed, so that feed inlet and receiving warehouse
When connection, material is directly entered receiving warehouse and by the first discharge port output so that material carries out next step without screening
Processing increases screening machine so that the screening machine not only may be screened transmission and can not also be sieved direct transmission
Use scope.
Above description is only a specific implementation of the present invention, but the protection scope of the utility model is not limited to
In this, anyone skilled in the art within the technical scope disclosed by the utility model, can readily occur in variation
Or replacement, it should be covered within the scope of the utility model.Therefore, the protection scope of the utility model should be with the power
Subject to the protection scope that benefit requires.
Claims (10)
1. a kind of screening machine characterized by comprising
Frame body, the frame body are provided with feed inlet；
Channel is sieved, for being connected to the feed inlet, the bottom surface in the screening channel is set the first entrance in the screening channel
It is equipped with sieve；
Receiving warehouse, for being connected to the feed inlet, the receiving warehouse is arranged in the sieve second entrance of the receiving warehouse
Lower section, the receiving warehouse are connected to by the sieve with the screening channel, and the bottom end of the receiving warehouse is provided with the first discharging
Mouthful；
Reversing mechanism, the reversing mechanism are arranged at the first entrance and the second entrance, and the reversing mechanism is used for
It closes the first entrance and opens the second entrance, or open the first entrance and close the second entrance.
2. screening machine according to claim 1, which is characterized in that
The reversing mechanism includes reversing plate.
3. screening machine according to claim 2, which is characterized in that
The reversing plate is rotationally connected between the first entrance and the second entrance.
4. screening machine according to claim 3, which is characterized in that the reversing mechanism further includes
Driving device and connecting rod, the first end of the connecting rod are connect with the driving device, the second end of the connecting rod with it is described
Reversing plate is flexibly connected, and the driving device is used to provide power for the rotation of the reversing plate.
5. screening machine according to claim 4, which is characterized in that
What the reversing plate was connect with the connecting rod is provided with T-slot track on one side, and the second end of the connecting rod is provided with limit
Protrusion, when the connecting rod drives reversing plate rotation, the retention bead is in the T-slot gliding in tracks.
6. screening machine according to claim 4, which is characterized in that
The second end of the connecting rod is connect by loop chain with the reversing plate.
7. screening machine according to claim 2, which is characterized in that
The first entrance and second entrance edge inner wall are provided with limiting section, when the reversing plate closes described first
When entrance or the second entrance, the limiting section is bonded with the reversing plate；
The limiting section is around one week protrusion of inner wall.
8. screening machine according to claim 1, which is characterized in that
The screening channel is provided with the second discharge port far from one end of the first entrance.
9. screening machine according to claim 1, which is characterized in that
The side in the screening channel is provided with baffle, and the baffle extends along the direction of the screening channel transfer material.
10. screening machine according to any one of claim 1 to 9, which is characterized in that
The screening machine includes vibrating motor, and the vibrating motor is connect with the sieve.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821387040.6U CN209006134U (en) | 2018-08-27 | 2018-08-27 | Screening machine |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821387040.6U CN209006134U (en) | 2018-08-27 | 2018-08-27 | Screening machine |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN209006134U true CN209006134U (en) | 2019-06-21 |
Family
ID=66831825
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201821387040.6U Active CN209006134U (en) | 2018-08-27 | 2018-08-27 | Screening machine |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110384975A (en) * | 2019-06-24 | 2019-10-29 | 中国地质大学（武汉） | A kind of double-deck screening equipment for separating liquid from solid |
| CN112841704A (en) * | 2021-01-06 | 2021-05-28 | 龙岩烟草工业有限责任公司 | Tobacco shred sorting system and tobacco shred production line |
-
2018
- 2018-08-27 CN CN201821387040.6U patent/CN209006134U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110384975A (en) * | 2019-06-24 | 2019-10-29 | 中国地质大学（武汉） | A kind of double-deck screening equipment for separating liquid from solid |
| CN112841704A (en) * | 2021-01-06 | 2021-05-28 | 龙岩烟草工业有限责任公司 | Tobacco shred sorting system and tobacco shred production line |
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