CN108691231A - One kind is automatically for slurry type paper making equipment - Google Patents
One kind is automatically for slurry type paper making equipment Download PDFInfo
- Publication number
- CN108691231A CN108691231A CN201810507775.6A CN201810507775A CN108691231A CN 108691231 A CN108691231 A CN 108691231A CN 201810507775 A CN201810507775 A CN 201810507775A CN 108691231 A CN108691231 A CN 108691231A
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- CN
- China
- Prior art keywords
- agitator tank
- fixedly connected
- wall
- baffle
- automatically
- 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.)
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Classifications
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- D—TEXTILES; PAPER
- D21—PAPER-MAKING; PRODUCTION OF CELLULOSE
- D21D—TREATMENT OF THE MATERIALS BEFORE PASSING TO THE PAPER-MAKING MACHINE
- D21D1/00—Methods of beating or refining; Beaters of the Hollander type
- D21D1/02—Methods of beating; Beaters of the Hollander type
Abstract
The invention discloses one kind automatically for slurry type paper making equipment, including agitator tank and extruding box, agitator tank is horizontally placed on the top of extruding box, it is connected to by materail tube between the agitator tank and extruding box, sliding is inserted with baffle in the materail tube, one end of the baffle runs through the inner wall of materail tube and extends outwardly, the inner wall of the materail tube is equipped with through-hole corresponding with baffle, one end that the baffle extends is fixedly connected with drive block, the bottom of the agitator tank is equipped with servo motor, the servo motor is fixedly connected with the outer wall of agitator tank by fixed link, the output end of the servo motor is fixedly connected with guide rod, the one end of the guide rod far from servo motor is rotatably connected to shaft, the drive block is equipped with sliding mouth corresponding with shaft.The present invention allows device automatically to be controlled according to the slurry amount in extrusion mechanism by the setting by liquid level inspection body and control mechanism, to improve the production efficiency of extrusion mechanism.
Description
Technical field
The present invention relates to paper making equipment technical fields, more particularly to one kind is automatically for slurry type paper making equipment.
Background technology
Paper is one of ancient Chinese four inventions.Early in 105 years Christian eras, Cai Lun used numb paper machine since just summarizing the Western Han Dynastry
The experience of tool toilet paper machine matter fiber papermaking, improves papermaking technology, and bark, numb head, rag, old fishing net etc. is used to be made for raw material
Paper.
Wherein pulping equipment is the equipment being separated into plant material used in fiber process.Pulping process can be divided into chemistry
Method, Mechanical Method and chemical mechanical pulping, corresponding pulping equipment include boiling vessel, mill, defibrator, wash engine, pulp chloridizator, mashing
Machine and devil liquor recovery equipment etc..By Wooden slice after steam preheating, then in the slurry of high pressure conditions grinding it is known as hot wood chip mill
Wood pulp, the machine for manufacturing hot chip groundwood are exactly defibrator, and defibrator power consumption is very big, so during making full use of defibrination
Thermal energy be defibrator critical issue;Wash engine is to carry the mechanical equipment of paper pulp and black liquid separation after boiling by black liquor
Rate point is taken, there is high concentration and low concentration extraction two major classes.
But existing paper making equipment is relatively simple for pulp grinder structure internal structure, and when carrying out paper making equipment for slurry, nothing
Method is controlled automatically according to the slurry amount in extrusion mechanism, to influence extrusion mechanism production efficiency.
Invention content
1. technical problems to be solved
It is relatively simple for pulp grinder structure internal structure that the purpose of the present invention is to solve paper making equipments in the prior art,
When carrying out paper making equipment for slurry, the problem of can not automatically be controlled according to extrusion mechanism entoplasm amount, and the one kind proposed is certainly
It moves for slurry type paper making equipment.
2. technical solution
To achieve the goals above, present invention employs following technical solutions:
For one kind automatically for slurry type paper making equipment, including agitator tank and extruding box, agitator tank is horizontally placed on the upper of extruding box
Side, is connected between the agitator tank and extruding box by materail tube, is slided in the materail tube and is inserted with baffle, the baffle
One end runs through the inner wall of materail tube and extends outwardly, and the inner wall of the materail tube is equipped with through-hole corresponding with baffle, the gear
One end that plate extends is fixedly connected with drive block, and the bottom of the agitator tank is equipped with servo motor, the servo motor and stirring
The outer wall of case is fixedly connected by fixed link, and the output end of the servo motor is fixedly connected with guide rod, and the guide rod is separate to be watched
The one end for taking motor is rotatably connected to shaft, and the drive block is equipped with sliding mouth corresponding with shaft, the agitator tank and extrusion
Case is equipped with two sliding slots being oppositely arranged, and slide bar is fixedly connected in the sliding slot, and the drive block is equipped with and slide bar pair
The impenetrating mouth answered;
The side of the agitator tank is fixedly connected with control box, and power supply and controller, institute are equipped with successively in the control box
The input terminal of the output end and controller of stating power supply connects, and the output end of the controller and the input terminal of servo motor connect,
The side of the control box is equipped with port, and the port is interior to be rotatably connected to door-plate by shaft, and the door-plate is far from shaft
Threaded one end is connected with lock-screw, and the inner wall of the port is equipped with thread groove corresponding with lock-screw;
The inner top of the agitator tank is equipped with feeding mouth, and feed hopper, the stirring are fixedly plugged in the feeding mouth
One end of case is fixedly connected with the first driving motor, and the output end of first driving motor is fixedly connected with bull stick, described turn
One end of bar runs through the outer wall of agitator tank and extends internally, and one end that the bull stick extends is fixedly connected with multiple stirring rods, institute
The interior bottom part ring for stating agitator tank is arranged with multiple deflectors;
The extruding box is fixedly connected with the second driving motor, the second driving electricity close to one end of the first driving motor
The output end of machine is fixedly connected with extrusion screw rod, and one end of the extrusion screw rod runs through the outer wall of extruding box and extends internally, institute
It states the one end of extruding box far from the second driving motor and is equipped with discharge port corresponding with extrusion screw rod, the interior bottom of the extruding box is solid
Surely it is inserted with fluid level measuring instrument, the output end of the fluid level measuring instrument and the input terminal of controller connect.
Preferably, inner wall of the materail tube far from through-hole side is equipped with groove, passes through second spring in the groove
It is connected with backing plate, side of the backing plate far from second spring offsets with baffle.
Preferably, multiple balls are slidably connected in the through-hole, the edge of the ball is in contact with baffle.
Preferably, it is fixedly plugged with grid screen in the feed hopper.
Preferably, the bull stick rotates close to one end of the first driving motor and is socketed with sealing ring, and the one of the sealing ring
The inner wall of side and agitator tank offsets.
Preferably, multiple stirring rod are fixedly connected on the stirring rod.
Preferably, be arranged with torque spring in the shaft, the both ends of the torque spring respectively with door-plate and port
Inner wall is fixedly connected.
Preferably, the bottom of the extruding box is fixedly connected with multiple support legs.
Preferably, be arranged with the first spring on the slide bar, the both ends of first spring respectively with drive block and sliding slot
Inner wall be fixedly connected.
3. advantageous effect
Compared with the prior art, the advantage of the invention is that:
(1) in the present invention, first slurry is poured by feed hopper in agitator tank, then opens the drive of the first driving motor
Bar rotation prevents slurry from solidifying to drive stirring rod to be stirred slurry, when fluid level measuring instrument detects in extruding box
When liquid level is relatively low, controller is sent signal to, controller control servomotor is opened at this time, and drives shaft to turn by guide rod
It is dynamic, it to drive drive block to move, is further driven to baffle and is extracted out out of materail tube, squeezed to make slurry be imported by materail tube
In outlet, then opens the second driving motor and drive extrusion screw rod rotation, slurry is squeezed out by discharge port, the present invention passes through logical
The setting for crossing liquid level inspection body and control mechanism allows device automatically to be controlled according to the slurry amount in extrusion mechanism,
To improve the production efficiency of extrusion mechanism.
(2) when slurry imports funnel, grid screen can play slurry certain filtration, when stirring rod is to slurry
When material is stirred, stirring rod can be with the mixing effect of strengthening slurry, while deflector can be close with the flow rate of strengthening slurry
Seal can effectively prevent slurry to leak out, and when baffle moves, ball can reduce the frictional force between baffle and through-hole wall.
(3) when drive block moves, slide bar can effectively prevent drive block to shake, while the first spring can be to drive block
Certain resilient support is played, when door-plate is opened, torque spring can play certain torque force support, while backing plate with end of door plate
Certain resilient support can be played to baffle with second spring, support leg can play extruding box certain supporting role.
Description of the drawings
Fig. 1 is proposed by the present invention a kind of automatically for the structural schematic diagram of slurry type paper making equipment;
Fig. 2 is proposed by the present invention a kind of automatically for the side structure schematic view at slurry type paper making equipment agitator tank;
Fig. 3 is structural schematic diagram at the A of Fig. 1;
Fig. 4 is structural schematic diagram at the B of Fig. 2.
In figure:1 agitator tank, 2 extruding box, 3 materail tubes, 4 baffles, 5 through-holes, 6 drive blocks, 7 servo motors, 8 fixed links, 9
Guide rod, 10 shafts, 11 sliding slots, 12 slide bars, 13 control box, 14 power supplys, 15 controllers, 16 ports, 17 shafts, 18 door-plates, 19 locks
Tight screw, 20 feeding mouths, 21 feed hoppers, 22 first driving motors, 23 bull sticks, 24 stirring rods, 25 deflectors, 26 second drivings
It is motor, 27 extrusion screw rods, 28 discharge ports, 29 fluid level measuring instruments, 30 second springs, 31 backing plates, 32 balls, 33 grid screens, 34 close
Seal, 35 stirring rod, 36 support legs, 37 first springs.
Specific implementation mode
Following will be combined with the drawings in the embodiments of the present invention, and technical solution in the embodiment of the present invention carries out clear, complete
Site preparation describes, it is clear that described embodiments are only a part of the embodiments of the present invention, instead of all the embodiments.
In the description of the present invention, it is to be understood that, term "upper", "lower", "front", "rear", "left", "right", "top",
The orientation or positional relationship of the instructions such as "bottom", "inner", "outside" is to be based on the orientation or positional relationship shown in the drawings, merely to just
In the description present invention and simplify description, do not indicate or imply the indicated device or element must have a particular orientation, with
Specific azimuth configuration and operation, therefore be not considered as limiting the invention.
Embodiment 1:
Referring to Fig.1-4, a kind of automatically for slurry type paper making equipment, including agitator tank 1 and extruding box 2, agitator tank 1 is horizontally disposed
It in the top of extruding box 2, is connected to, is imported in extruding box 2 for slurry, object by materail tube 3 between agitator tank 1 and extruding box 2
Sliding is inserted with baffle 4 in expects pipe 3, the flow for controlling slurry, and one end of baffle 4 is through the inner wall of materail tube 3 and outside
Extend, the inner wall of materail tube 3 is equipped with through-hole 5 corresponding with baffle 4, is extracted out for baffle 4, and one end that baffle 4 extends is fixed
It is connected with drive block 6, for driving baffle 4 to move, the bottom of agitator tank 1 is equipped with servo motor 7, for driving drive block 6 to move
Dynamic, servo motor 7 is fixedly connected with the outer wall of agitator tank 1 by fixed link 8, prevents servo motor 7 from shaking, servo motor 7
Output end is fixedly connected with guide rod 9, and for driving drive block 6 to move, the one end of guide rod 9 far from servo motor 7 is rotatably connected to
Shaft 10, for driving drive block 6 to move, drive block 6 is equipped with sliding mouth corresponding with shaft 10, on agitator tank 1 and extruding box 2
It is fixedly connected with slide bar 12 in sliding slot 11, is used to support transmission for slide bar 12 to be arranged equipped with two sliding slots 11 being oppositely arranged
Block 6, drive block 6 are equipped with impenetrating mouth corresponding with slide bar 12;
The side of agitator tank 1 is fixedly connected with control box 13, and for controller 15 to be arranged, electricity is equipped with successively in control box 13
The output end of source 14 and controller 15, power supply 14 is connect with the input terminal of controller 15, is powered for device 15 in order to control, controller
15 output end is connect with the input terminal of servo motor 7, is worked for control servomotor 7, and the side of control box 13, which is equipped with, to be led to
Mouth 16 is rotatably connected to door-plate 18 in port 16 for being safeguarded to the electrical equipment in control box 13 by shaft 17, uses
Electric elements in protection control box 13, threaded one end of the door-plate 18 far from shaft 17 are connected with lock-screw 19, for solid
Determine door-plate 18, the inner wall of port 16 is equipped with thread groove corresponding with lock-screw 19;
The inner top of agitator tank 1 is fixedly plugged with feed hopper for importing slurry equipped with feeding mouth 20 in feeding mouth 20
21, it is easily introduced into slurry, one end of agitator tank 1 is fixedly connected with the first driving motor 22, for driving bull stick 23 to rotate, first
The output end of driving motor 22 is fixedly connected with bull stick 23, and for driving stirring rod 24 to rotate, one end of bull stick 23 is through stirring
The outer wall of case 1 simultaneously extends internally, and one end that bull stick 23 extends is fixedly connected with multiple stirring rods 24, for stirring slurry, stirs
The interior bottom part ring of case 1 is arranged with multiple deflectors 25, and slurry is facilitated to enter in materail tube 3;
Extruding box 2 is fixedly connected with the second driving motor 26 close to one end of the first driving motor 22, is squeezed out for driving
Screw rod 27 rotates, and the output end of the second driving motor 26 is fixedly connected with extrusion screw rod 27, for squeezing out slurry, extrusion screw rod 27
One end through extruding box 2 outer wall and extend internally, the one end of extruding box 2 far from the second driving motor 26 be equipped with and squeeze out spiral shell
27 corresponding discharge port 28 of bar, for exporting slurry, the interior bottom of extruding box 2 is fixedly plugged with fluid level measuring instrument 29, for examining
The slurry liquid level in extruding box 2 is surveyed, the output end of fluid level measuring instrument 29 is connect with the input terminal of controller 15, is used for controller 15
Control fluid level measuring instrument 29.
In the present invention, inner wall of the materail tube 3 far from 5 side of through-hole is equipped with groove, connected by second spring 30 in groove
It is connected to backing plate 31, certain resilient support is played to baffle 4, side of the backing plate 31 far from second spring 30 offsets with baffle 4, leads to
Multiple balls 32 are slidably connected in hole 5, the edge of ball 32 is in contact with baffle 4, reduces between baffle 4 and 5 inner wall of through-hole
Frictional force, be fixedly plugged with grid screen 33 in feed hopper 21, certain filtration played to slurry, bull stick 23 is close to
One end rotation of one driving motor 22 is socketed with sealing ring 34, prevents slurry from leaking out, and the side of sealing ring 34 is interior with agitator tank 1
Wall offsets, and multiple stirring rod 35 are fixedly connected on stirring rod 24, enhances the mixing effect to slurry, torsion is arranged in shaft 17
The both ends of power spring, torque spring are fixedly connected with the inner wall of door-plate 18 and port respectively, and end of door plate 18 plays certain torsion
The bottom of supporting role, extruding box 2 is fixedly connected with multiple support legs 36, and certain supporting role, slide bar are played to extruding box 2
The first spring 37 is arranged on 12, the both ends of the first spring 37 are fixedly connected with the inner wall of drive block 6 and sliding slot 11 respectively, to passing
Motion block 6 plays certain resilient support.
In the present invention, first slurry is poured by feed hopper 21 in agitator tank 1, then opens 22 band of the first driving motor
Turn bar 23 rotates, and to drive stirring rod 24 to be stirred slurry, prevents slurry from solidifying, when fluid level measuring instrument 29 detects
When liquid level is relatively low in extruding box 2, controller 15 is sent signal to, 15 control servomotor 7 of controller is opened at this time, and is passed through
Guide rod 9 drives shaft 10 to rotate, and to drive drive block 6 to move, the extraction out of materail tube 3 of baffle 4 is further driven to, to make
Slurry is imported by materail tube 3 in extruding box 2, then opens the second driving motor 26 and extrusion screw rod 27 is driven to rotate, by slurry
It is squeezed out by discharge port 28, when slurry imports funnel 21, grid screen 33 can play slurry certain filtration, when
When stirring rod 24 is stirred slurry, stirring rod 35 can be with the mixing effect of strengthening slurry, while deflector 25 can enhance
The flow rate of slurry, sealing ring 34 can effectively prevent slurry to leak out, and when baffle 4 moves, ball 32 can reduce baffle 4
With the frictional force between 5 inner wall of through-hole, when drive block 6 moves, slide bar 12 can effectively prevent drive block 6 to shake, while the
One spring 37 can play drive block 6 certain resilient support, and when door-plate 18 is opened, torque spring can be risen with end of door plate 18
To certain torque force support, while backing plate 31 and second spring 30 can play baffle 4 certain resilient support, support leg 36
Certain supporting role can be played to extruding box 2.
The foregoing is only a preferred embodiment of the present invention, but scope of protection of the present invention is not limited thereto,
Any one skilled in the art in the technical scope disclosed by the present invention, according to the technique and scheme of the present invention and its
Inventive concept is subject to equivalent substitution or change, should be covered by the protection scope of the present invention.
Claims (9)
1. one kind being horizontally placed on extrusion for slurry type paper making equipment, including agitator tank (1) and extruding box (2), agitator tank (1) automatically
The top of case (2), which is characterized in that be connected to by materail tube (3) between the agitator tank (1) and extruding box (2), the material
Sliding is inserted with baffle (4) in pipe (3), and one end of the baffle (4) runs through the inner wall of materail tube (3) and extends outwardly, described
The inner wall of materail tube (3) is equipped with through-hole (5) corresponding with baffle (4), and one end that the baffle (4) extends is fixedly connected with biography
Motion block (6), the bottom of the agitator tank (1) are equipped with servo motor (7), and the outer wall of the servo motor (7) and agitator tank (1) leads to
It crosses fixed link (8) to be fixedly connected, the output end of the servo motor (7) is fixedly connected with guide rod (9), and the guide rod (9) is separate
One end of servo motor (7) is rotatably connected to shaft (10), and the drive block (6) is equipped with sliding mouth corresponding with shaft (10),
The agitator tank (1) and extruding box (2) are equipped with two sliding slots (11) being oppositely arranged, and are fixedly connected in the sliding slot (11)
Slide bar (12), the drive block (6) are equipped with impenetrating mouth corresponding with slide bar (12);
The side of the agitator tank (1) is fixedly connected with control box (13), and power supply (14) is equipped with successively in the control box (13)
Connect with the input terminal of controller (15) with the output end of controller (15), the power supply (14), the controller (15) it is defeated
Outlet is connect with the input terminal of servo motor (7), and the side of the control box (13) is equipped with port (16), and the port (16) is interior
It is rotatably connected to door-plate (18) by shaft (17), threaded one end of the door-plate (18) far from shaft (17) is connected with locking screw
It follows closely (19), the inner wall of the port (16) is equipped with thread groove corresponding with lock-screw (19);
The inner top of the agitator tank (1) is equipped with feeding mouth (20), and feed hopper is fixedly plugged in the feeding mouth (20)
(21), one end of the agitator tank (1) is fixedly connected with the first driving motor (22), the output of first driving motor (22)
End is fixedly connected with bull stick (23), and one end of the bull stick (23) runs through the outer wall of agitator tank (1) and extends internally, the bull stick
(23) one end extended is fixedly connected with multiple stirring rods (24), and the interior bottom part ring of the agitator tank (1) is arranged with multiple water conservancy diversion
Plate (25);
The extruding box (2) is fixedly connected with the second driving motor (26) close to one end of the first driving motor (22), and described the
The output end of two driving motors (26) is fixedly connected with extrusion screw rod (27), and extruding box is run through in one end of the extrusion screw rod (27)
(2) outer wall simultaneously extends internally, and the one end of the extruding box (2) far from the second driving motor (26) is equipped with and extrusion screw rod (27)
The interior bottom of corresponding discharge port (28), the extruding box (2) is fixedly plugged with fluid level measuring instrument (29), the fluid level measuring instrument
(29) output end is connect with the input terminal of controller (15).
2. one kind according to claim 1 is automatically for slurry type paper making equipment, which is characterized in that the materail tube (3) is separate
The inner wall of through-hole (5) side is equipped with groove, and the groove is interior to be connected with backing plate (31), the backing plate by second spring (30)
(31) side far from second spring (30) offsets with baffle (4).
3. one kind according to claim 1 is automatically for slurry type paper making equipment, which is characterized in that sliding in the through-hole (5)
Multiple balls (32) are connected with, the edge of the ball (32) is in contact with baffle (4).
4. one kind according to claim 1 is automatically for slurry type paper making equipment, which is characterized in that in the feed hopper (21)
It is fixedly plugged with grid screen (33).
5. one kind according to claim 1 is automatically for slurry type paper making equipment, which is characterized in that the bull stick (23) is close to the
One end rotation of one driving motor (22) is socketed with sealing ring (34), and the side of the sealing ring (34) is interior with agitator tank (1)
Wall offsets.
6. one kind according to claim 1 is automatically for slurry type paper making equipment, which is characterized in that solid on the stirring rod (24)
Surely multiple stirring rod (35) are connected with.
7. one kind according to claim 1 is automatically for slurry type paper making equipment, which is characterized in that be arranged on the shaft (17)
There are torque spring, the both ends of the torque spring to be fixedly connected respectively with the inner wall of door-plate (18) and port.
8. one kind according to claim 1 is automatically for slurry type paper making equipment, which is characterized in that the bottom of the extruding box (2)
Portion is fixedly connected with multiple support legs (36).
9. one kind according to claim 1 is automatically for slurry type paper making equipment, which is characterized in that be arranged on the slide bar (12)
There are the first spring (37), the both ends of first spring (37) to be fixedly connected respectively with the inner wall of drive block (6) and sliding slot (11).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810507775.6A CN108691231A (en) | 2018-05-24 | 2018-05-24 | One kind is automatically for slurry type paper making equipment |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810507775.6A CN108691231A (en) | 2018-05-24 | 2018-05-24 | One kind is automatically for slurry type paper making equipment |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN108691231A true CN108691231A (en) | 2018-10-23 |
Family
ID=63847929
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201810507775.6A Pending CN108691231A (en) | 2018-05-24 | 2018-05-24 | One kind is automatically for slurry type paper making equipment |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN108691231A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112359629A (en) * | 2020-11-10 | 2021-02-12 | 湖北华海纤维科技股份有限公司 | Poplar chemi-mechanical pulp production line for treating poplar wood chips by white rot fungi |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB826470A (en) * | 1956-12-06 | 1960-01-06 | Wilhelm Ellinghaus | Device for measuring, moulding and delivering plastic materials |
| CN203713022U (en) * | 2013-12-30 | 2014-07-16 | 成都奥鑫管业有限公司 | Large feeding type extruder |
| CN204622553U (en) * | 2015-05-06 | 2015-09-09 | 郑路遥 | A kind of screw extruder with feed arrangement |
| CN205660961U (en) * | 2016-06-06 | 2016-10-26 | 湖北盛智塑料包装有限公司 | Plastics milk bottle blowing machine automatic feed device |
| CN107791486A (en) * | 2017-10-31 | 2018-03-13 | 李庭裕 | A kind of plastic extruder |
-
2018
- 2018-05-24 CN CN201810507775.6A patent/CN108691231A/en active Pending
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB826470A (en) * | 1956-12-06 | 1960-01-06 | Wilhelm Ellinghaus | Device for measuring, moulding and delivering plastic materials |
| CN203713022U (en) * | 2013-12-30 | 2014-07-16 | 成都奥鑫管业有限公司 | Large feeding type extruder |
| CN204622553U (en) * | 2015-05-06 | 2015-09-09 | 郑路遥 | A kind of screw extruder with feed arrangement |
| CN205660961U (en) * | 2016-06-06 | 2016-10-26 | 湖北盛智塑料包装有限公司 | Plastics milk bottle blowing machine automatic feed device |
| CN107791486A (en) * | 2017-10-31 | 2018-03-13 | 李庭裕 | A kind of plastic extruder |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112359629A (en) * | 2020-11-10 | 2021-02-12 | 湖北华海纤维科技股份有限公司 | Poplar chemi-mechanical pulp production line for treating poplar wood chips by white rot fungi |
| CN112359629B (en) * | 2020-11-10 | 2022-09-13 | 湖北华海纤维科技股份有限公司 | Poplar chemi-mechanical pulp production line for treating poplar wood chips by white rot fungi |
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| RJ01 | Rejection of invention patent application after publication |
Application publication date: 20181023 |
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| RJ01 | Rejection of invention patent application after publication |