CN106800169A - A kind of helix transporting device - Google Patents
A kind of helix transporting device Download PDFInfo
- Publication number
- CN106800169A CN106800169A CN201710147841.9A CN201710147841A CN106800169A CN 106800169 A CN106800169 A CN 106800169A CN 201710147841 A CN201710147841 A CN 201710147841A CN 106800169 A CN106800169 A CN 106800169A
- Authority
- CN
- China
- Prior art keywords
- cylinder
- main shaft
- bearing
- transporting device
- helix transporting
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Pending
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Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
- B65G—TRANSPORT OR STORAGE DEVICES, e.g. CONVEYORS FOR LOADING OR TIPPING, SHOP CONVEYOR SYSTEMS OR PNEUMATIC TUBE CONVEYORS
- B65G33/00—Screw or rotary spiral conveyors
- B65G33/08—Screw or rotary spiral conveyors for fluent solid materials
- B65G33/14—Screw or rotary spiral conveyors for fluent solid materials comprising a screw or screws enclosed in a tubular housing
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
- B65G—TRANSPORT OR STORAGE DEVICES, e.g. CONVEYORS FOR LOADING OR TIPPING, SHOP CONVEYOR SYSTEMS OR PNEUMATIC TUBE CONVEYORS
- B65G33/00—Screw or rotary spiral conveyors
- B65G33/24—Details
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
- B65G—TRANSPORT OR STORAGE DEVICES, e.g. CONVEYORS FOR LOADING OR TIPPING, SHOP CONVEYOR SYSTEMS OR PNEUMATIC TUBE CONVEYORS
- B65G33/00—Screw or rotary spiral conveyors
- B65G33/24—Details
- B65G33/32—Adaptations of bearings or couplings for supporting and connecting screws
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
- B65G—TRANSPORT OR STORAGE DEVICES, e.g. CONVEYORS FOR LOADING OR TIPPING, SHOP CONVEYOR SYSTEMS OR PNEUMATIC TUBE CONVEYORS
- B65G2201/00—Indexing codes relating to handling devices, e.g. conveyors, characterised by the type of product or load being conveyed or handled
- B65G2201/02—Articles
- B65G2201/0202—Agricultural and processed food products
Abstract
The present invention relates to a kind of helix transporting device, including：Cylinder (1), main shaft (3) and bearing (7), bearing (7) is at least located on main shaft (3) near the position of feed end, and positioned at cylinder (1) outside, on cylinder (1) the first leakage fluid dram (5) is provided near the position of feed end, hydrops for discharging cylinder (1) feed end, in case hydrops flows to direction where bearing (7).Helix transporting device of the invention, first leakage fluid dram is provided with by the position near feed end on cylinder, the hydrops of cylinder feed end bottom can in time be discharged, to prevent hydrops from being flowed to the bearing being located at outside cylinder, to avoid feed liquid from damaging bearing after bearing position accumulates, the service life of bearing can be improved, so as to improve the reliability of conveying worm work.
Description
Technical field
The present invention relates to materials-handling technology field, the mixed liquor of tobacco material and water is particularly conveyed, more particularly to
A kind of helix transporting device.
Background technology
The conveying of some workshop sections conveys material using conveying worm in reconstituted tobacoo production process, and conveying worm can be with water
Flat and certain angle of inclination conveying material.Usually, conveying worm include cylinder and be located in cylinder with helical blade
Main shaft, main shaft is supported by bearing, and cylinder is provided with feed inlet and outlet, and main shaft is provided by being located at the driver part of one end
Power is rotated to convey material.
Its operation principle is：Helical blade is spirality space curved surface, and it is while rotating by a straight line around axle
With linear motion formation.So being exactly adjoint in rotary motion using fixed conveyor screw during conveying worm conveying material
Linear motion promote material be fed forward.Helically wire travels forward material, that is, while being fed forward it is adjoint
The tumbling motion of circumferencial direction.
Conveying worm of the prior art when the mixed liquor of tobacco and water is conveyed, due to feed end bearing block with
Cylinder is linked together, and the feed end of cylinder does not set slag-drip opening, and the feed end after work a period of time easily in cylinder is produced
Hydrops, and hydrops can be also produced during health cleaning, this problem is especially apparent for inclined screw conveyer, and the feed liquid of accumulation can edge
Main shaft and penetrate into bearing block position, so as to cause bearing to be damaged.In addition, shaft end seal uses packing seal, very
It is susceptible to abrasion or crimp and causes failure, such packing seal infiltration capacity after a period of time is run will increases,
Also main shaft can be damaged, it is necessary to frequently change filler, increased the workload of plant maintenance.
The content of the invention
The purpose of the present invention is to propose to a kind of helix transporting device, the hydrops for being prevented from cylinder feed end penetrates into bearing
Position influences bearing service life.
To achieve the above object, the invention provides a kind of helix transporting device, including：Cylinder, main shaft and bearing, it is described
Bearing is at least located near the position of feed end on the main shaft, and positioned at cylinder outside, near charging on the cylinder
The position at end is provided with the first leakage fluid dram, the hydrops for discharging the cylinder feed end, in case hydrops is to the bearing place side
To flowing.
Further, also including seal member, the seal member is located on the main shaft, and in the axial direction of the cylinder
It is upper to be located between the bearing and first leakage fluid dram.
Further, the seal member is outside framework oil seal.
Further, also including support member and hollow connector, the support member is used to pass through the bearing pair
The main shaft provides support, and the connector is located between the feed end of the cylinder and the support member, the connector
The second leakage fluid dram is provided with, is arranged for the hydrops in the connector will to be penetrated into by the seal member from the cylinder
Go out.
Further, ring flange is provided between the connector and the cylinder, for realizing the connector and described
The connection of cylinder, the seal member is radially located between the ring flange and the main shaft the cylinder.
Further, also including liquid throwing plate, the liquid throwing plate is located on main shaft near the position of first leakage fluid dram, is used
The hydrops of the cylinder feed end is got rid of to the first leakage fluid dram position in the main axis.
Further, the liquid throwing plate includes installation portion and guide portion, and the installation portion is set on the main shaft, described
Guide portion is set around the installation portion, and the guide portion is inclined towards first leakage fluid dram.
Further, the support member forms overall structure with the bearing, and is located at the connector away from described
On the side of cylinder.
Further, the main shaft is provided with driver part, the driver part and the main shaft near the position of discharge end
By hollow shaft direct connection.
Further, the helix transporting device is inclined screw conveyer.
Further, the helix transporting device is used to convey the mixed liquor of tobacco material and water.
Based on above-mentioned technical proposal, helix transporting device of the invention is set by the position near feed end on cylinder
The first leakage fluid dram is put, the hydrops of cylinder feed end bottom can be in time discharged, to prevent hydrops to the bearing stream being located at outside cylinder
It is dynamic, to avoid feed liquid from damaging bearing after bearing position accumulates, it is possible to increase the service life of bearing, so as to improve spiral
The reliability of conveyer work.
Brief description of the drawings
Accompanying drawing described herein is used for providing a further understanding of the present invention, constitutes the part of the application, this hair
Bright schematic description and description does not constitute inappropriate limitation of the present invention for explaining the present invention.In the accompanying drawings：
Fig. 1 is the structural representation of one embodiment of helix transporting device of the present invention；
Fig. 2 is enlarged drawing at the A in Fig. 1.
Description of reference numerals
1st, cylinder；2nd, driver part；3rd, main shaft；4th, support frame；5th, the first leakage fluid dram；6th, liquid throwing plate；7th, bearing；8th, support
Part；9th, connector；10th, ring flange；11st, charging aperture；12nd, discharging opening；13rd, observation panel；14th, otic placode；31st, seal member；61、
Installation portion；62nd, guide portion；91st, the second leakage fluid dram；141st, the first bearing pin；142nd, the second bearing pin；41st, gathering sill.
Specific embodiment
The present invention described further below.In the following paragraphs, the different aspect of embodiment is defined in more detail.So
The each side of restriction can be combined with any other one side or many aspects, not can be combined unless explicitly stated otherwise.Especially,
It is considered as that preferred or favourable any feature one or more can be considered as preferred or favourable feature group with other
Close.
The term descriptions merely for convenience such as " first ", " second " occurred in the present invention, have same names to distinguish
Different building blocks, be not offered as successively or primary-slave relation.
In the description of the invention, it is to be understood that term " length ", " width ", " height ", " on ", D score, " interior "
The orientation or position relationship of the instruction such as " outward " be based on orientation shown in the drawings or position relationship, be for only for ease of description this
Invention, rather than indicate or imply signified device must have specific orientation, with specific azimuth configuration and operation, therefore
It is not intended that limiting the scope of the invention.
The invention provides a kind of helix transporting device, as depicted in figs. 1 and 2, a kind of inclined screw conveyer is given, wrapped
Include：Cylinder 1, main shaft 3 and bearing 7, are alongst fixed with helical blade on main shaft 3, be coaxially located in cylinder 1, cylinder 1
With feed end and discharge end, charging aperture 11 is offered on the top of the feed end of cylinder 1, the bottom of discharge end offers discharging opening
12, the other positions of cylinder 1 can also open up observation panel 13, to observe material ruuning situation and to carry out cleaning inside.In order to right
Main shaft 3 is supported, and bearing 7 is at least located near the position of feed end on main shaft 3, and positioned at the outside of the length direction of cylinder 1,
Bearing 7 is may also set up near the position of discharge end on main shaft 3 in addition, bearing 7 provides support by bearing block.Preferably, exist
The outside of cylinder 1 is additionally provided with driver part 2 near the position of discharge end, is rotated for drive shaft 3.
When needing to carry out material conveying, material is added from charging aperture 11, starts driver part 2 and drive main shaft 3 to rotate,
Material is conveyed with the rotary motion of helical blade towards the direction of discharging opening 12, is finally discharged from discharging opening 12.
The conveying worm is inclined obliquely from feed end to discharge end, so when liquid material is conveyed, is particularly easy to
Hydrops is produced near the position of feed end in cylinder 1, is that this sets the first leakage fluid dram on cylinder 1 near the position of feed end
5, the hydrops for discharging the feed end of cylinder 1, in case hydrops oozed seal member between main shaft 3 and cylinder 1 to where bearing 7
Direction is flowed, so as to avoid feed liquid from damaging bearing after bearing position accumulates, it is possible to increase the service life of bearing, so that
Improve the reliability of conveying worm work.
Preferably, the first leakage fluid dram 5 is opened in the lower surface of the feed end of cylinder 1, to facilitate hydrops to flow out.First leakage fluid dram
5 can remain on, so that hydrops flows out at any time, reduce the risk that hydrops is penetrated into the outer bearing 7 of cylinder 1.Or first
Leakage fluid dram 5 can be set to closed mode, by the way that the opening of the first leakage fluid dram 5 periodically artificially or by way of automatically controlling is opened into discharge
Hydrops.
In tobacco manufacture field, it is preferable that the material that helix transporting device of the invention is used to convey is tobacco material
With the mixed liquor of water.Certainly, the material in the embodiment can also be other liquid materials.
For horizontal screw conveyer, the problem that feed end produces hydrops is may also appear in when liquid material is conveyed, because
And the first leakage fluid dram 5 can also be opened up according to the structure shown in Fig. 1.Only for inclined screw conveyer, can have in feed end
More hydrops, thus improvement of the invention is more significantly to the effect of inclined screw conveyer anti-leak.But it is given below
Each embodiment can simultaneously be applied to the conveying worm inclined with level.
Enlarged drawing at A with reference to shown in Fig. 2, conveying worm of the invention also includes seal member 31, seal member 31
It is located on main shaft 3, seal member 31 is radially located between main shaft 3 and cylinder 1 cylinder 1, in being located axially at for cylinder 1
Between the leakage fluid dram 5 of bearing 7 and first, prevent the feed liquid in cylinder 1 from being flowed to bearing 7 along main shaft 3.
Preferably, seal member is outside framework oil seal.Skeleton can play a part of reinforcement to sealing ring, oil sealing is kept shape
Shape and tension force, to reduce the amount that hydrops permeates from cylinder 1 to the region of bearing 7；And outside framework oil seal is not easy to wear, the life-span
It is more long frequently to change, also it is not easy that main shaft 3 is caused to damage；Other outside framework oil seal is conveniently dismantled when repairing and changing, can
Reduce maintenance load.Additionally, seal member 31 also may be selected rubber seal or teflin ring etc..
Again referring to Fig. 2, helix transporting device of the invention may also include support member 8 and hollow connector 9, supporting part
Part 8 is used to provide support to main shaft 3 by bearing 7, and connector 9 is located between the feed end of cylinder 1 and support member 8, is connected
Body 9 is provided with the second leakage fluid dram 91, for the product that will be penetrated into along main shaft 3 by seal member 31 from cylinder 1 in connector 9
Liquid is discharged.The setting of the second leakage fluid dram 91 be mainly prevent seal member 31 wear and tear after there is a small amount of feed liquid to penetrate into axle along main shaft 3
Hold in 7, bearing is damaged after long-term use.The embodiment can further optimize the anti-leak work(of conveying worm
Can, duplicate protection is provided equivalent to bearing 7, so as to improve the functional reliability and service life of bearing 7.
Because the hydrops amount of storage in connector 9 is smaller, the second leakage fluid dram 91 generally can be at closed mode, in spiral transferring
Send machine to open discharge opeing again after working for a period of time, be so prevented from external dust and entered in bearing 7 by the second leakage fluid dram 91.
Preferably, the second leakage fluid dram 91 is located at the lower surface of connector 9, is conducive to hydrops smoothly to discharge.It is preferred that the second leakage fluid dram 91
One end away from bearing 7 on connector 9 is located at, can as early as possible be discharged before hydrops reaches bearing 7.
Specifically, connector 9 is in circular cone structure, to adapt to the less support member 8 in section and the larger cylinder 1 in section
Between transition connection, meanwhile, the hollow structure in connector 9 can further store what is be permeated by seal member 31
Hydrops, prevents hydrops to be directly entered bearing 7 after being oozed out from seal member 31.
Connection between connector 9 and cylinder 1 for convenience, is provided with ring flange 10 between connector 9 and cylinder 1, be used for
The connection of connector 9 and cylinder 1 is realized, the installation flange of the feed end of cylinder 1 can be fixed on ring flange 10 by fastener, even
The installation flange of the end of junctor 9 can be also fixed on ring flange 10 by fastener.And, seal member 31 is in the footpath of cylinder 1
May be provided between ring flange 10 and main shaft 3 upwards, because cylinder 1 and connector 9 belong to hollow structure, the setting of ring flange 10
It is also convenient for that seal member 31 is installed.
Further, with reference to Fig. 1 and Fig. 2, conveying worm of the invention may also include liquid throwing plate 6, and liquid throwing plate 6 is located at master
Near the position of the first leakage fluid dram 5 on axle 3, for the hydrops of the feed end of cylinder 1 to be got rid of to the first leakage fluid dram as main shaft 3 is rotated
5 positions, so that hydrops was first discharged before seal member 31 is reached from the first leakage fluid dram 5 as far as possible.
The setting of liquid throwing plate 6 can be reduced to the hydrops amount up to seal member 31, reduce hydrops by seal member 31 with
The possibility of the gap seepage between ring flange 10 or main shaft 3, further to improve the anti-leak function of conveying worm.
Preferably, liquid throwing plate 6 is fixed on main shaft by way of welding.
Preferably, liquid throwing plate 6 is located between the first leakage fluid dram 5 and the side end of cylinder 1.
In a kind of specific structure type, liquid throwing plate 6 includes installation portion 61 and guide portion 62, and installation portion 61 is circular slab
Shape structure, center is provided with hole, and guide portion 62 is fitted around portion 61 and sets, and disk-like structure is integrally formed.Liquid throwing plate is installed on main shaft 3
6 position is provided with step, can be resisted against to realize axial limiting on step when installation portion 61 is set on main shaft 3, and, draw
Portion 62 is led to be inclined towards the first leakage fluid dram 5.
Operationally, liquid throwing plate 6 is rotated conveying worm with main shaft 3, and the hydrops flowed down along main shaft 3 in cylinder 1 exists
The outward flange of liquid throwing plate 6 is concentrated in the presence of centrifugal force, then hydrops is discharged from the first leakage fluid dram 5 by guide portion 62.It is excellent
Selection of land, in the case where not influenceing liquid throwing plate 6 to rotate, should try one's best makes the outer rim of liquid throwing plate 6 press close to the inwall of cylinder 1, with maximum
Limit ground prevents hydrops from flowing to the position of seal member 31.
In order to reduce the difficulty of dismounting bearing 7, support member 8 forms overall structure with bearing 7, and it is remote to be located at connector 9
On the side of cylinder 1.Compared with the scheme for setting split bearing in the prior art, the embodiment of the invention is using containing bearing
Bearing block, and with the feed end of cylinder 1 using separate connected mode, when being changed in maintenance can integral disassembly, assembly, can
Reduce maintenance difficulty.
Preferably, support member 8 is the standard axle bearing containing bearing, for example standard F type bearing supports, and the flange of bearing block is straight
Connect on the side installed in connector 9 away from cylinder 1, simple structure, and using standard axle bearing from convenient, for maintenance brings
It is convenient.
Further, main shaft 3 is provided with driver part 2 near the position of discharge end, and driver part 2 is with main shaft 3 by hollow
Axle direct connection.The mode of this direct connection can make conveying worm stable drive, transmission efficiency, and the attached of generation can be reduced during operating
Plus dynamic loading, vibration, impact and noise.And main shaft 3 bounce it is smaller do not allow fragile seal member 31, sealing can be extended
The service life of part 31, so as to further optimize the leak-proof energy of conveying worm.
With reference to Fig. 1, two otic placodes 14 of interval setting on the surface of the bottom of cylinder 1, the two otic placodes 14 are respectively by the
One bearing pin 141 is hinged on the support frame 4 for being installed on horizontal plane, and the support frame 4 near feed end is less than the branch near discharge end
Support 4, to construct the angle of inclination of helical feed machine drum body 1.Preferably, it is additionally provided near the position of upper end in support frame 4
The circular arc shaped guide slots 41 concentric with the first bearing pin 141, the second bearing pin 142 on otic placode 14 is located in gathering sill 41
It is interior, and the angle of inclination that slip of second bearing pin 142 in gathering sill 41 is adjusted flexibly conveying worm can be passed through.
A kind of helix transporting device provided by the present invention is described in detail above.It is used herein specifically
Embodiment is set forth to principle of the invention and implementation method, and the explanation of above example is only intended to help and understands this hair
Bright method and its core concept.It should be pointed out that for those skilled in the art, not departing from the present invention
On the premise of principle, some improvement and modification can also be carried out to the present invention, these are improved and modification also falls into right of the present invention
It is required that protection domain in.
Claims (10)
1. a kind of helix transporting device, it is characterised in that including：Cylinder (1), main shaft (3) and bearing (7), the bearing (7) is extremely
It is located at less on the main shaft (3) near the position of feed end, and positioned at the cylinder (1) outside, is close on the cylinder (1)
Expect that the position at end is provided with the first leakage fluid dram (5), the hydrops for discharging the cylinder (1) feed end, in case hydrops is to the axle
Hold direction flowing where (7).
2. helix transporting device according to claim 1, it is characterised in that also including seal member (31), the sealing
Part (31) is located on the main shaft (3), and is located axially at the bearing (7) and the first row in the cylinder (1)
Between liquid mouthful (5).
3. helix transporting device according to claim 2, it is characterised in that the seal member is outside framework oil seal.
4. helix transporting device according to claim 2, it is characterised in that also including support member (8) and hollow company
Junctor (9), the support member (8) to the main shaft (3) by the bearing (7) for providing support, the connector (9)
It is located between the feed end of the cylinder (1) and the support member (8), the connector (9) is provided with the second leakage fluid dram
(91), arranged for the hydrops in the connector (9) will to be penetrated into by the seal member (31) from the cylinder (1)
Go out.
5. helix transporting device according to claim 4, it is characterised in that the connector (9) and the cylinder (1) it
Between be provided with ring flange (10), the connection for realizing the connector (9) and the cylinder (1), the seal member (31) exists
The cylinder (1) radially be located between the ring flange (10) and the main shaft (3).
6. according to any described helix transporting device of Claims 1 to 5, it is characterised in that described also including liquid throwing plate (6)
Liquid throwing plate (6) is located on main shaft (3) near the position of first leakage fluid dram (5), for being rotated institute with the main shaft (3)
The hydrops for stating cylinder (1) feed end is got rid of to the first leakage fluid dram (5) position.
7. helix transporting device according to claim 6, it is characterised in that the liquid throwing plate (6) includes installation portion (61)
With guide portion (62), the installation portion (61) is set on the main shaft (3), and the guide portion (62) is around the installation portion
(61) set, and the guide portion (62) is inclined towards first leakage fluid dram (5).
8. helix transporting device according to claim 4, it is characterised in that the support member (8) and the bearing (7)
Overall structure is formed, and is located at the connector (9) away from the side of the cylinder (1).
9. helix transporting device according to claim 1, it is characterised in that the main shaft (3) is near the position of discharge end
Driver part (2) is provided with, the driver part (2) is with the main shaft (3) by hollow shaft direct connection.
10. helix transporting device according to claim 1, it is characterised in that the helix transporting device is that inclined screw is defeated
Send machine.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710147841.9A CN106800169A (en) | 2017-03-14 | 2017-03-14 | A kind of helix transporting device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710147841.9A CN106800169A (en) | 2017-03-14 | 2017-03-14 | A kind of helix transporting device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN106800169A true CN106800169A (en) | 2017-06-06 |
Family
ID=58987930
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201710147841.9A Pending CN106800169A (en) | 2017-03-14 | 2017-03-14 | A kind of helix transporting device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN106800169A (en) |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN201310037Y (en) * | 2008-11-25 | 2009-09-16 | 岑炼锴 | Waterproof oil seal structure of washing device |
| JP2010150026A (en) * | 2008-12-26 | 2010-07-08 | Tokyo Seimitsu Hatsujo Kk | Bearing structure suitable for spiral conveyor |
| CN101987325A (en) * | 2010-08-27 | 2011-03-23 | 天津百利阳光环保设备有限公司 | Comprehensive sorting and pretreating integrated equipment of kitchen garbage |
| CN202481701U (en) * | 2012-03-28 | 2012-10-10 | 重庆市环卫控股（集团）有限公司 | Dedicated spiral conveyor for kitchen waste |
| CN204508027U (en) * | 2015-02-02 | 2015-07-29 | 长兴日月环保机械有限公司 | A kind of Shaftless screw conveyor with leakage function |
-
2017
- 2017-03-14 CN CN201710147841.9A patent/CN106800169A/en active Pending
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN201310037Y (en) * | 2008-11-25 | 2009-09-16 | 岑炼锴 | Waterproof oil seal structure of washing device |
| JP2010150026A (en) * | 2008-12-26 | 2010-07-08 | Tokyo Seimitsu Hatsujo Kk | Bearing structure suitable for spiral conveyor |
| CN101987325A (en) * | 2010-08-27 | 2011-03-23 | 天津百利阳光环保设备有限公司 | Comprehensive sorting and pretreating integrated equipment of kitchen garbage |
| CN202481701U (en) * | 2012-03-28 | 2012-10-10 | 重庆市环卫控股（集团）有限公司 | Dedicated spiral conveyor for kitchen waste |
| CN204508027U (en) * | 2015-02-02 | 2015-07-29 | 长兴日月环保机械有限公司 | A kind of Shaftless screw conveyor with leakage function |
Non-Patent Citations (1)
| Title |
|---|
| 西北轻工业学院等: "《造纸装置及其防护》", 28 February 1981, 轻工业出版社 * |
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Application publication date: 20170606 |
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