CN114228100A - Vacuum-pumping device for reactive double-screw extruder and application thereof - Google Patents
Vacuum-pumping device for reactive double-screw extruder and application thereof Download PDFInfo
- Publication number
- CN114228100A CN114228100A CN202111611243.5A CN202111611243A CN114228100A CN 114228100 A CN114228100 A CN 114228100A CN 202111611243 A CN202111611243 A CN 202111611243A CN 114228100 A CN114228100 A CN 114228100A
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- frame
- fixedly connected
- screw extruder
- filter
- vacuum pump
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
- B29C48/00—Extrusion moulding, i.e. expressing the moulding material through a die or nozzle which imparts the desired form; Apparatus therefor
- B29C48/25—Component parts, details or accessories; Auxiliary operations
- B29C48/27—Cleaning; Purging; Avoiding contamination
- B29C48/2715—Cleaning; Purging; Avoiding contamination of plasticising units
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D46/00—Filters or filtering processes specially modified for separating dispersed particles from gases or vapours
- B01D46/10—Particle separators, e.g. dust precipitators, using filter plates, sheets or pads having plane surfaces
- B01D46/12—Particle separators, e.g. dust precipitators, using filter plates, sheets or pads having plane surfaces in multiple arrangements
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D47/00—Separating dispersed particles from gases, air or vapours by liquid as separating agent
- B01D47/02—Separating dispersed particles from gases, air or vapours by liquid as separating agent by passing the gas or air or vapour over or through a liquid bath
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D47/00—Separating dispersed particles from gases, air or vapours by liquid as separating agent
- B01D47/06—Spray cleaning
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- Chemical & Material Sciences (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Extrusion Moulding Of Plastics Or The Like (AREA)
Abstract
The invention discloses a vacuumizing device for a reactive double-screw extruder and application thereof, and the vacuumizing device comprises a double-screw extruder main body, wherein the top of the double-screw extruder main body is fixedly connected with a vacuum pump fixing frame, the top of the vacuum pump fixing frame is fixedly connected with a vacuum pump, the top of the double-screw extruder main body is fixedly connected with a connector, and the top of the connector is fixedly connected with an air inlet pipe. This reaction type is evacuating device for double screw extruder and application thereof has reached double screw extruder main part top installation vacuum pump, takes out the waste gas that the double screw extruder main part produced to send into and handle in the purifier, reduce environmental pollution, purifier comprises filtration frame and washing frame, is convenient for filter waste gas, lets in waste gas simultaneously and carries out the neutralization in the treatment fluid, reduces exhaust pollution, and then discharges, satisfies user demand's purpose.
Description
Technical Field
The invention relates to the field of extruder waste gas treatment, in particular to a vacuumizing device for a reactive double-screw extruder and application thereof.
Background
Extruders are widely used in the production of plastic products. After the raw materials are heated and extruded by the extruder, the molded plastic is extruded from the head of the extruder. In the processing process of the extruder, the raw materials in the extruder are gasified, decomposed and separated out at different degrees at high temperature, so that a large amount of low molecular substances such as gas and precipitates are generated, in the process of heating and extruding the raw materials by the extruder, the raw materials are positioned in a semi-closed heating pipe of the extruder, the low molecular substances cannot be well released and are mixed in plastic for manufacturing and forming, and the defects of unsmooth product surface, unsmooth production and processing, reduced mechanical property of the product, non-compact product and the like are caused. Need use evacuating device, with the course of working, the waste gas that produces is taken out, and then improves product quality. At present, current double screw extruder is with evacuating device, and the single structure is not convenient for handle waste gas, causes environmental pollution easily, can't satisfy the user demand.
Disclosure of Invention
1. Technical problem to be solved
Aiming at the problems that the existing vacuumizing device for the double-screw extruder in the prior art has a single structure, is inconvenient to treat waste gas, easily causes environmental pollution and cannot meet the use requirement, the invention aims to provide the vacuumizing device for the reaction type double-screw extruder and the application thereof, which can realize that a vacuum pump is arranged at the top of the main body of the double-screw extruder to pump out the waste gas generated by the main body of the double-screw extruder and send the waste gas into a purifying device for treatment so as to reduce the environmental pollution, the purifying device consists of a filtering frame and a water washing frame, is convenient to filter the waste gas, simultaneously introduces the waste gas into treatment liquid for neutralization so as to reduce the waste gas pollution and further discharge, meanwhile, the top of the filtering frame is provided with a cleaning device so as to clean the filtering net, reduce the blockage of the filtering net and improve the filtering efficiency of the filtering frame, and a stirring device is arranged in the water washing frame, be convenient for stir the treatment fluid, improve and handle frame and exhaust-gas treatment effect, satisfy the user demand.
2. Technical scheme
In order to solve the above problems, the present invention adopts the following technical solutions.
The utility model provides a vacuum pumping device for reactive type double screw extruder and use thereof, includes the double screw extruder main part, the top fixedly connected with vacuum pump mount of double screw extruder main part, the top fixedly connected with vacuum pump of vacuum pump mount, the top fixedly connected with connector of double screw extruder main part, the top fixedly connected with intake pipe of connector, the intake pipe is linked together with the vacuum pump input, the surface of intake pipe is provided with the valve, the output fixedly connected with connecting pipe of vacuum pump, the one end fixedly connected with purifier of vacuum pump is kept away from to the connecting pipe, purifier's top is provided with cleaning device.
Preferably, purifier is including filtering the frame, filter the lateral wall fixedly connected with washing frame of frame, the inner wall of filtering the frame is the first filter screen of fixedly connected with, second filter screen respectively, filter the frame and keep away from the one end inner wall fixedly connected with air pump of connecting pipe, the output fixedly connected with pipe of air pump, the inside of washing frame is provided with the treatment fluid, the pipe extends to the inside of washing frame, the tip fixedly connected with gas vent of pipe, the gas vent is located under the treatment fluid liquid level, the top of washing frame is provided with the discharge port.
Preferably, cleaning device includes the motor frame, the top fixed connection of motor frame and filter frame, motor frame fixedly connected with motor, the output shaft fixedly connected with master gear of motor, the master gear meshing transmission has the pinion, the axle center department fixedly connected with bent axle of pinion, the top fixedly connected with reinforcing frame of filter frame, reinforcing frame's top fixedly connected with reinforcing sleeve, the bent axle cup joints the link, the link is kept away from the one end of bent axle and is rotated and be connected with the motion frame, the motion frame runs through and sliding connection with filter frame, the one end fixedly connected with connecting block that the motion frame is located filter frame inside, the bottom fixedly connected with brush frame of connecting block, the fixed surface of brush frame is connected with the brush, brush and first filter screen, brush and filter screen, The surface of the second filter corresponds.
Preferably, a stirring device is arranged inside the washing frame and connected with the crankshaft.
Preferably, agitating unit includes the (mixing) shaft, the (mixing) shaft rotates with the washing frame to be connected, the (mixing) shaft is located the inside one end lateral wall fixedly connected with stirring piece of washing frame, the first gear of top fixedly connected with of (mixing) shaft, the top fixedly connected with support frame of washing frame, the top fixedly connected with supporting sleeve of support frame, supporting sleeve has cup jointed the connecting axle, the tip fixedly connected with second gear of connecting axle, second gear and the transmission of first gear engagement, the one end fixedly connected with shaft coupling of second gear is kept away from to the connecting axle, the connecting axle passes through shaft coupling and bent axle fixed connection.
Preferably, the bottom of the filter frame is in threaded connection with a cleaning cover.
Preferably, the top parts of two sides of the inner wall of the water washing frame are fixedly connected with atomizing nozzles.
Preferably, the first filter has a pore size 2 times greater than the pore size of the second filter.
The application comprises the following steps:
s1, connecting the connector with a top exhaust port of the double-screw extruder main body, starting a vacuum pump, pumping out waste gas generated by the double-screw extruder main body through the vacuum pump, sending the waste gas into a purification device for treatment, and then discharging.
S2, the treatment liquid is arranged in the purification device, and the treatment liquid needs to be replaced by staff regularly.
S3, arranging a cleaning cover at the bottom of the filter frame, and unscrewing the cleaning cover to clean impurities in the filter frame.
3. Advantageous effects
Compared with the prior art, the invention has the advantages that:
1. through double screw extruder main part top installation vacuum pump, take out the waste gas that double screw extruder main part produced to send into purifier and handle, reduce environmental pollution.
2. Constitute with the washing frame by filter frame through purifier, be convenient for filter waste gas, let in waste gas simultaneously and carry out the neutralization in the treatment fluid, reduce exhaust pollution, and then discharge.
3. The top through filtering the frame sets up cleaning device, is convenient for clear up the filter screen, reduces the filter screen jam, improves and filters frame filtration efficiency.
4. Through the inside agitating unit that sets up of washing frame, be convenient for stir the treatment fluid, improve the exhaust-gas treatment effect.
Drawings
FIG. 1 is a schematic view of the overall structure of the present invention;
FIG. 2 is a schematic view of the purification apparatus according to the present invention;
fig. 3 is a schematic view of the enlarged structure at a of fig. 2 according to the present invention.
The reference numbers in the figures illustrate:
1. a twin screw extruder body; 2. a vacuum pump fixing frame; 3. a vacuum pump; 4. a connector; 5. an air inlet pipe; 6. a valve; 7. a connecting pipe; 8. a purification device; 81. a filter frame; 82. washing the frame with water; 83. a first filter screen; 84. a second filter screen; 85. an air pump; 86. a conduit; 87. a treatment liquid; 88. an exhaust port; 89. a discharge port; 810. cleaning the cover; 9. a cleaning device; 91. a motor frame; 92. a motor; 93. a main gear; 94. a pinion gear; 95. a crankshaft; 96. a reinforcing frame; 97. reinforcing the sleeve; 98. a connecting frame; 99. a motion frame; 910. connecting blocks; 911. a brush holder; 912. a brush; 10. a stirring device; 101. a stirring shaft; 102. a stirring sheet; 103. a first gear; 104. a support frame; 105. a support sleeve; 106. a connecting shaft; 107. a second gear; 108. a coupling; 11. an atomizing spray head.
Detailed Description
The drawings in the embodiments of the invention will be combined; the technical scheme in the embodiment of the invention is clearly and completely described; obviously; the described embodiments are only some of the embodiments of the invention; rather than all embodiments. Based on the embodiments of the invention; all other embodiments obtained by a person skilled in the art without making any inventive step; all fall within the scope of protection of the present invention.
Example 1:
referring to fig. 1-3, the present invention provides a technical solution: the utility model provides a reaction type is evacuating device for twin-screw extruder, including twin-screw extruder main part 1, the top fixedly connected with vacuum pump mount 2 of twin-screw extruder main part 1, the top fixedly connected with vacuum pump 3 of vacuum pump mount 2, the top fixedly connected with connector 4 of twin-screw extruder main part 1, the top fixedly connected with intake pipe 5 of connector 4, intake pipe 5 is linked together with vacuum pump 3 input, the surface of intake pipe 5 is provided with valve 6, vacuum pump 3's output end fixedly connected with connecting pipe 7, vacuum pump 3's one end fixedly connected with purifier 8 is kept away from to connecting pipe 7, purifier 8's top is provided with cleaning device 9. The vacuum pump 3 is installed at the top of the double-screw extruder main body 1, the connector 4 is connected with an exhaust port of the double-screw extruder main body 1, waste gas generated by the double-screw extruder main body 1 is extracted out and sent into the purifying device 8 for treatment, and the environmental pollution is reduced.
Example 2:
referring to fig. 1-3, a vacuum pumping device for a reactive twin-screw extruder is substantially the same as that in embodiment 1, and further, the purifying device 8 includes a filter frame 81, a washing frame 82 is fixedly connected to a side wall of the filter frame 81, a first filter screen 83 and a second filter screen 84 are fixedly connected to inner walls of the filter frame 81, an air pump 85 is fixedly connected to an inner wall of one end of the filter frame 81 far away from the connecting pipe 7, an output end of the air pump 85 is fixedly connected to a conduit 86, a treatment solution 87 is disposed inside the washing frame 82, the conduit 86 extends into the washing frame 82, an exhaust port 88 is fixedly connected to an end of the conduit 86, the exhaust port 88 is located below a liquid level of the treatment solution 87, and a discharge port 89 is disposed at a top of the washing frame 82. Purifier 8 comprises filter frame 81 and washing frame 82, and filter frame 81 is inside to set up first filter screen 83 and second filter screen 84, is convenient for carry out multiple filtration to waste gas, reduces the debris in the waste gas, filters the inside air pump 85 that sets up of frame 81, and air pump 85 work is sent into washing frame 82 through pipe 86 with the waste gas after filtering in, waste gas and treatment liquid phase contact carry out neutralization, reduce exhaust pollution, and then discharge.
Example 3:
referring to fig. 1-3, a vacuum pumping device for a reactive twin-screw extruder is substantially the same as that of embodiment 2, and further, a cleaning device 9 includes a motor frame 91, the motor frame 91 is fixedly connected to the top of a filter frame 81, the motor frame 91 is fixedly connected to a motor 92, an output shaft of the motor 92 is fixedly connected to a main gear 93, the main gear 93 is in mesh transmission with a pinion 94, an axis of the pinion 94 is fixedly connected to a crankshaft 95, the top of the filter frame 81 is fixedly connected to a reinforcing frame 96, the top of the reinforcing frame 96 is fixedly connected to a reinforcing sleeve 97, the crankshaft 95 is in sleeve connection with the reinforcing sleeve 97, the crankshaft 95 is in sleeve connection with a connecting frame 98, one end of the connecting frame 98 far away from the crankshaft 95 is rotatably connected to a moving frame 99, the moving frame 99 is in penetrating and sliding connection with the filter frame 81, one end of the moving frame 99 located inside the filter frame 81 is fixedly connected to a connecting block 910, the bottom of the connecting block 910 is fixedly connected with a brush holder 911, the surface of the brush holder 911 is fixedly connected with a brush 912, and the brush 912 corresponds to the surfaces of the first filter screen 83 and the second filter screen 84. The top of the filter frame 81 is provided with a cleaning device 9, so that the filter screen can be cleaned conveniently, the filter screen blockage can be reduced, the filter efficiency of the filter frame 81 can be improved, the motor 92 works to drive the main gear 93 to rotate, the pinion 94 to rotate and the crankshaft 95 to rotate, the connecting frame 98 to move and the moving frame 99 to reciprocate up and down, the connecting block 910 to move and the brush frame 911 to move and the brush 912 to move, the surface of the filter screen can be cleaned, the filter screen blockage can be reduced, the reinforcing frame 96 and the reinforcing sleeve 97 are arranged at the top of the filter frame 81, the crankshaft 95 can be supported conveniently, and the rotation stability of the crankshaft 95 can be improved.
Example 4:
referring to fig. 1 to 3, a vacuum extractor for a reactive twin-screw extruder is substantially the same as that of embodiment 3, and further, a stirring device 10 is disposed inside the washing frame 82, and the stirring device 10 is connected to a crankshaft 95. The stirring device 10 is arranged in the washing frame 82, so that the treatment liquid 87 is stirred conveniently, and the waste gas treatment effect is improved.
Agitating unit 10 includes (mixing) shaft 101, (mixing) shaft 101 rotates with washing frame 82 to be connected, (mixing) shaft 101 is located washing frame 82 inside one end lateral wall fixedly connected with stirring piece 102, the first gear 103 of top fixedly connected with of (mixing) shaft 101, the top fixedly connected with support frame 104 of washing frame 82, the top fixedly connected with supporting sleeve 105 of support frame 104, supporting sleeve 105 has cup jointed connecting axle 106, the tip fixedly connected with second gear 107 of connecting axle 106, second gear 107 and the meshing transmission of first gear 103, the one end fixedly connected with shaft coupling 108 of second gear 107 is kept away from to connecting axle 106, connecting axle 106 passes through shaft coupling 108 and bent axle 95 fixed connection. Crankshaft 95 is fixedly connected with connecting shaft 106 through shaft coupling 108, and crankshaft 95 rotates, drives connecting shaft 106 and rotates, drives second gear 107 and rotates, drives first gear 103 and rotates, drives (mixing) shaft 101 and rotates, drives stirring piece 102 and rotates, stirs treatment fluid 87, improves waste gas and treatment fluid neutralization effect.
The bottom of the filter frame 81 is in threaded connection with a cleaning cover 810. The bottom of the filter frame 81 is provided with a cleaning cover 810, so that sundries in the filter frame 81 can be cleaned conveniently.
The atomizing nozzles 11 are fixedly connected to the tops of the two sides of the inner wall of the washing frame 82. The inner wall of the washing frame 82 is provided with the atomizing nozzle 11, so that the waste gas is further sprayed, and the waste gas treatment effect is improved.
The porosity of first filter 83 is 2 times the porosity of second filter 84. The exhaust gas is conveniently filtered in multiple ways, and the pores of the second filter screen 84 are smaller than those of the first filter screen 83, so that the exhaust gas filtering effect is improved.
The method comprises the following steps:
and S1, connecting the connector 4 with an exhaust port at the top of the double-screw extruder main body 1, starting the vacuum pump 3, pumping out waste gas generated by the double-screw extruder main body 1 through the vacuum pump 3, conveying the waste gas into the purifying device 8 for treatment, and then discharging the waste gas.
S2, the treatment liquid 87 is provided inside the purification apparatus 8, and needs to be replaced by a worker at regular intervals.
S3, a cleaning cover 810 is arranged at the bottom of the filter frame 81, and the cleaning cover 810 is unscrewed to clean sundries in the filter frame 81.
The above; but are merely preferred embodiments of the invention; the scope of the invention is not limited thereto; any person skilled in the art is within the technical scope of the present disclosure; the technical scheme and the improved concept of the invention are equally replaced or changed; are intended to be covered by the scope of the present invention.
Claims (9)
1. The utility model provides a vacuum extractor for reaction type double screw extruder, includes double screw extruder main part (1), its characterized in that: the utility model discloses a double screw extruder, including double screw extruder main part (1), the top fixedly connected with vacuum pump mount (2) of double screw extruder main part (1), the top fixedly connected with vacuum pump (3) of vacuum pump mount (2), the top fixedly connected with connector (4) of double screw extruder main part (1), the top fixedly connected with intake pipe (5) of connector (4), intake pipe (5) are linked together with vacuum pump (3) input, the surface of intake pipe (5) is provided with valve (6), the output fixedly connected with connecting pipe (7) of vacuum pump (3), the one end fixedly connected with purifier (8) of vacuum pump (3) are kept away from in connecting pipe (7), the top of purifier (8) is provided with cleaning device (9).
2. The evacuation apparatus for a reactive twin-screw extruder as claimed in claim 1, wherein: purifier (8) are including filtering frame (81), the lateral wall fixedly connected with washing frame (82) of filtering frame (81), the inner wall of filtering frame (81) is first filter screen (83), second filter screen (84) of fixedly connected with respectively, filter frame (81) and keep away from one end inner wall fixedly connected with air pump (85) of connecting pipe (7), the output fixedly connected with pipe (86) of air pump (85), the inside of washing frame (82) is provided with treatment fluid (87), pipe (86) extend to the inside of washing frame (82), the tip fixedly connected with gas vent (88) of pipe (86), gas vent (88) are located under treatment fluid (87) liquid level, the top of washing frame (82) is provided with discharge port (89).
3. The evacuation apparatus for a reactive twin-screw extruder as claimed in claim 2, wherein: the cleaning device (9) comprises a motor frame (91), the motor frame (91) is fixedly connected with the top of the filter frame (81), the motor frame (91) is fixedly connected with a motor (92), an output shaft of the motor (92) is fixedly connected with a main gear (93), the main gear (93) is meshed with a pinion (94), the axis of the pinion (94) is fixedly connected with a crankshaft (95), the top of the filter frame (81) is fixedly connected with a reinforcing frame (96), the top of the reinforcing frame (96) is fixedly connected with a reinforcing sleeve (97), the crankshaft (95) is sleeved with the reinforcing sleeve (97), the crankshaft (95) is sleeved with a connecting frame (98), one end, far away from the crankshaft (95), of the connecting frame (98) is rotatably connected with a moving frame (99), and the moving frame (99) and the filter frame (81) are penetrated and connected in a sliding manner, the filter frame is characterized in that the moving frame (99) is located at one end of the inside of the filter frame (81) and is fixedly connected with a connecting block (910), the bottom of the connecting block (910) is fixedly connected with a brush frame (911), the surface of the brush frame (911) is fixedly connected with a brush (912), and the brush (912) corresponds to the surfaces of the first filter screen (83) and the second filter screen (84).
4. The evacuating device for the reactive twin-screw extruder as recited in claim 3, wherein: the inside of washing frame (82) is provided with agitating unit (10), agitating unit (10) are connected with bent axle (95).
5. The evacuating device for the reactive twin-screw extruder as recited in claim 4, wherein: the stirring device (10) comprises a stirring shaft (101), the stirring shaft (101) is rotationally connected with the water washing frame (82), the side wall of one end of the stirring shaft (101) positioned in the washing frame (82) is fixedly connected with a stirring sheet (102), the top of the stirring shaft (101) is fixedly connected with a first gear (103), the top of the washing frame (82) is fixedly connected with a support frame (104), the top of the supporting frame (104) is fixedly connected with a supporting sleeve (105), the supporting sleeve (105) is sleeved with a connecting shaft (106), a second gear (107) is fixedly connected to the end of the connecting shaft (106), the second gear (107) is in meshing transmission with the first gear (103), one end of the connecting shaft (106) far away from the second gear (107) is fixedly connected with a coupling (108), the connecting shaft (106) is fixedly connected with the crankshaft (95) through a coupler (108).
6. The evacuation apparatus for a reactive twin-screw extruder as claimed in claim 2, wherein: the bottom of the filter frame (81) is in threaded connection with a cleaning cover (810).
7. The evacuation apparatus for a reactive twin-screw extruder as claimed in claim 2, wherein: and atomizing nozzles (11) are fixedly connected to the tops of two sides of the inner wall of the water washing frame (82).
8. The evacuation apparatus for a reactive twin-screw extruder as claimed in claim 2, wherein: the first filter (83) has a pore size 2 times greater than the pore size of the second filter (84).
9. Use of an evacuation device for a reactive twin-screw extruder according to claim 5, characterized in that it comprises the following steps:
s1, connecting the connector (4) with a top exhaust port of the double-screw extruder main body (1), then starting the vacuum pump (3), pumping out waste gas generated by the double-screw extruder main body (1) through the vacuum pump (3), sending the waste gas into the purification device (8) for treatment, and then discharging;
s2, arranging the treatment liquid (87) in the purification device (8), and requiring the replacement by the staff regularly;
s3, arranging a cleaning cover (810) at the bottom of the filter frame (81), and unscrewing the cleaning cover (810) to clean sundries in the filter frame (81).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202111611243.5A CN114228100A (en) | 2021-12-27 | 2021-12-27 | Vacuum-pumping device for reactive double-screw extruder and application thereof |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202111611243.5A CN114228100A (en) | 2021-12-27 | 2021-12-27 | Vacuum-pumping device for reactive double-screw extruder and application thereof |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN114228100A true CN114228100A (en) | 2022-03-25 |
Family
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202111611243.5A Withdrawn CN114228100A (en) | 2021-12-27 | 2021-12-27 | Vacuum-pumping device for reactive double-screw extruder and application thereof |
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| Country | Link |
|---|---|
| CN (1) | CN114228100A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115157612A (en) * | 2022-07-29 | 2022-10-11 | 杭州鑫派新材料科技有限公司 | Double-screw extruder reaction system and method for graft capable of being extruded at one time |
-
2021
- 2021-12-27 CN CN202111611243.5A patent/CN114228100A/en not_active Withdrawn
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115157612A (en) * | 2022-07-29 | 2022-10-11 | 杭州鑫派新材料科技有限公司 | Double-screw extruder reaction system and method for graft capable of being extruded at one time |
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Application publication date: 20220325 |