CN112275219B - High-efficient devolatilization complete equipment of high-content solvent of polymer - Google Patents
High-efficient devolatilization complete equipment of high-content solvent of polymer Download PDFInfo
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- CN112275219B CN112275219B CN202011271857.9A CN202011271857A CN112275219B CN 112275219 B CN112275219 B CN 112275219B CN 202011271857 A CN202011271857 A CN 202011271857A CN 112275219 B CN112275219 B CN 112275219B
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- condensing
- glue solution
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- 239000002904 solvent Substances 0.000 title claims abstract description 24
- 229920000642 polymer Polymers 0.000 title claims abstract description 17
- 239000003292 glue Substances 0.000 claims abstract description 29
- 239000007788 liquid Substances 0.000 claims abstract description 23
- 238000003756 stirring Methods 0.000 claims abstract description 20
- 238000005485 electric heating Methods 0.000 claims abstract description 15
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims abstract description 10
- 230000005540 biological transmission Effects 0.000 claims description 17
- 238000009434 installation Methods 0.000 claims description 9
- 239000002994 raw material Substances 0.000 claims description 9
- 238000010438 heat treatment Methods 0.000 claims description 8
- 238000000034 method Methods 0.000 claims description 5
- 230000008569 process Effects 0.000 claims description 4
- 239000011229 interlayer Substances 0.000 claims description 3
- 239000000178 monomer Substances 0.000 claims description 3
- 238000004064 recycling Methods 0.000 claims description 3
- 238000005086 pumping Methods 0.000 claims description 2
- 239000003507 refrigerant Substances 0.000 claims description 2
- 238000011084 recovery Methods 0.000 description 9
- 238000002156 mixing Methods 0.000 description 7
- 238000002207 thermal evaporation Methods 0.000 description 7
- 230000000694 effects Effects 0.000 description 6
- 238000007599 discharging Methods 0.000 description 3
- 238000010094 polymer processing Methods 0.000 description 3
- 238000009833 condensation Methods 0.000 description 2
- 230000005494 condensation Effects 0.000 description 2
- 239000000498 cooling water Substances 0.000 description 2
- 238000010586 diagram Methods 0.000 description 2
- 238000001035 drying Methods 0.000 description 2
- 238000001704 evaporation Methods 0.000 description 2
- 230000008020 evaporation Effects 0.000 description 2
- 229920003051 synthetic elastomer Polymers 0.000 description 2
- 239000005061 synthetic rubber Substances 0.000 description 2
- 230000009471 action Effects 0.000 description 1
- 230000004075 alteration Effects 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000006243 chemical reaction Methods 0.000 description 1
- 239000000084 colloidal system Substances 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000007872 degassing Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 230000007613 environmental effect Effects 0.000 description 1
- 238000000605 extraction Methods 0.000 description 1
- 238000001125 extrusion Methods 0.000 description 1
- 230000002349 favourable effect Effects 0.000 description 1
- 238000000265 homogenisation Methods 0.000 description 1
- 239000000155 melt Substances 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000006116 polymerization reaction Methods 0.000 description 1
- 238000010008 shearing Methods 0.000 description 1
- 239000000126 substance Substances 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
- 238000003786 synthesis reaction Methods 0.000 description 1
Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01J—CHEMICAL OR PHYSICAL PROCESSES, e.g. CATALYSIS OR COLLOID CHEMISTRY; THEIR RELEVANT APPARATUS
- B01J4/00—Feed or outlet devices; Feed or outlet control devices
- B01J4/001—Feed or outlet devices as such, e.g. feeding tubes
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01J—CHEMICAL OR PHYSICAL PROCESSES, e.g. CATALYSIS OR COLLOID CHEMISTRY; THEIR RELEVANT APPARATUS
- B01J19/00—Chemical, physical or physico-chemical processes in general; Their relevant apparatus
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- Chemical & Material Sciences (AREA)
- Organic Chemistry (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Processing And Handling Of Plastics And Other Materials For Molding In General (AREA)
- Addition Polymer Or Copolymer, Post-Treatments, Or Chemical Modifications (AREA)
Abstract
The invention discloses a polymer high-content solvent efficient devolatilization complete set of equipment, which comprises a glue solution storage tank, an oil mould temperature machine and a cold water machine, wherein an inner cylinder is arranged in the glue solution storage tank, a first motor is arranged at the upper end of the inner cylinder, the output end of the first motor is connected with a connecting shaft, the outer surface of the connecting shaft is provided with a stirring shaft, an electric heating wire is arranged in the inner cylinder, the outer surface of the inner cylinder is connected with a liquid metering pump, a mass flowmeter is arranged on the outer surface of the liquid metering pump, the tail end of the liquid metering pump is connected with a reactor, a second condensing box is arranged at the upper end of the reactor, and the cold water machine is arranged on the outer surface of the second condensing box. When the device is used, the lower end of the inner cylinder and the liquid metering pump are connected, and the mass flowmeter on the outer surface of the liquid metering pump is used for controlling and metering the glue solution flow fed into the reactor, so that the device is convenient for a user to quantitatively discharge.
Description
Technical Field
The invention relates to the technical field of polymer processing, in particular to a high-efficiency devolatilization complete set of equipment for high-content solvent of a polymer.
Background
In the related industries of polymer processing, chemical synthesis, synthetic rubber and the like, a solvent polymerization method is widely used, and when a melt and colloid with high solvent content are processed and treated, the operations of a plurality of process links such as chemical reaction, vacuum devolatilization, evaporation drying, mixing homogenization and the like are involved, and the evaporation drying and concentration processes of synthetic rubber and chemical raw materials are common; degassing, dewatering and devolatilizing extrusion during polymer processing, but the existing devices have certain use defects when in use, such as:
The current device does not have quantitative unloading function when using, leads to the raw materials to distribute unevenly when the ejection of compact to influence the processing effect of device, and current device volatilize the effect relatively poor when using, thereby influence the holistic processingquality of device, and current device does not have vacuum condensation recovery system when using, thereby inconvenient user collects the gas that produces in the course of working and purifies, does not accord with current environmental protection theory.
Disclosure of Invention
The invention aims to provide a high-efficiency devolatilization complete set of equipment for polymer high-content solvent, so as to solve the problems that the prior device in the background art does not have a quantitative blanking function, has poor volatilization effect and does not have a vacuum condensation recovery system.
In order to achieve the above purpose, the present invention provides the following technical solutions: the utility model provides a high-efficient complete sets that devolatilizes of polymer high content solvent, includes glue solution storage tank, oily mould temperature machine and cold water machine, inside being provided with the inner tube of glue solution storage tank, and the first motor of inner tube upper end setting, first motor output is connected with the connecting axle, and the connecting axle surface is provided with the (mixing) shaft, the inner tube inside is provided with the electric heating wire, and the inner tube surface is connected with the liquid metering pump, liquid metering pump surface is provided with mass flowmeter, and the liquid metering pump end is connected with the reactor, the second motor is installed to the reactor surface, and the second motor output is connected with first transmission case, first transmission case is connected with the structural rotor, and the structural rotor sets up inside the barrel, oily mould temperature machine sets up the lower extreme at the reactor, and the lower extreme of reactor is connected with the extruder, the extruder surface is installed the third motor, and the third motor output is connected with the second transmission case to the second transmission case is connected with the screw rod, the extruder upper end is connected with first condensing tank, and the first condensing tank is connected with the first condensing pump, and the first condensing tank is installed to the first condensing pump end, the vacuum pump is installed to the first condensing pump end, the condensing pump is connected with the first condensing pump end, the condensing pump end is installed to the vacuum pump end is connected with the first condensing pump end, the condensing pump end is installed to the condensing pump end, the condensing pump end is connected with the condensing pump end is installed to the condensing pump end, the vacuum pump end is connected with the condensing pump end.
Preferably, the stirring shaft is arranged on the outer surface of the connecting shaft at an equal angle, and the length of the stirring shaft is smaller than that of the connecting shaft.
Preferably, the electric heating wires are arranged on the inner surface of the inner cylinder at equal intervals, and the installation height of the electric heating wires is lower than that of the stirring shaft.
Preferably, the structural rotors are arranged at equal intervals in the cylinder body, and the model of the structural rotors is an E-shaped rotor.
Preferably, the installation position of the oil mold temperature machine corresponds to the installation position of the reactor, and the model of the reactor is an SCP double-rotor structure.
Preferably, the area of the first condensing box is equal to that of the second condensing box, and the first condensing box is a vacuum condensation recovery system.
Compared with the prior art, the invention has the beneficial effects that: the high-content solvent of the polymer is efficiently devolatilized into a complete set of equipment,
1. When the device is used, the lower end of the inner cylinder and the liquid metering pump are connected, and the mass flowmeter on the outer surface of the liquid metering pump is used for controlling and metering the glue solution flow fed into the reactor, so that a user can conveniently perform quantitative discharging, the problem that the conventional device does not have a quantitative discharging function when in use is solved, and the use requirement of the user is met;
2. When the device is used, the reactor has excellent interface updating efficiency and heat exchange area, is favorable for removing volatile matters such as solvent, monomer and the like from the high-viscosity polymer, can quickly volatilize the solvent and the like with high content, has more excellent shearing and mixing functions for the lower-stage TSD devolatilizing type homodromous screw extruder, and can volatilize the residues in the polymer deeply, so that the volatilization effect of the device is improved, the problem that the volatilization effect of the traditional device is poor when the device is used in the background technology is solved, and the use of a user is facilitated;
3. when the device is used, the vacuum condensation recovery system of the first condensing box and the second condensing box is arranged, so that the whole set of links of vacuum air extraction, condensation solvent recovery and tail gas collection can be completed, and the problem that the conventional device does not have the vacuum condensation recovery system is solved.
Drawings
FIG. 1 is a schematic diagram of the overall front cross-sectional structure of the present invention;
FIG. 2 is a schematic diagram of the extruder and first condenser in a cross-sectional elevation view;
FIG. 3 is a schematic view of a cross-sectional structure of a cartridge and structural rotor assembly of the present invention;
fig. 4 is a schematic view showing the mounting and bottom view of the connecting shaft and the stirring shaft.
In the figure: 1. glue solution storage tank; 2. an inner cylinder; 3. a first motor; 4. a connecting shaft; 5.a stirring shaft; 6. an electric heating wire; 7. a liquid metering pump; 8. a mass flowmeter; 9. a reactor; 10. a second motor; 11. a first gear box; 12. a structural rotor; 13. a cylinder; 14. a mould heating machine; 15. an extruder; 16. a third motor; 17. a second gear box; 18. a screw; 19. a first condensing tank; 20. roots vacuum pump group; 21. a pre-pump condenser; 22. a post-pump condenser; 23. a valve; 24. a front collection tank; 25. a rear collection tank; 26. a water chiller; 27. and a second condensing box.
Detailed Description
The following description of the embodiments of the present invention will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present invention, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the invention without making any inventive effort, are intended to be within the scope of the invention.
Referring to fig. 1-4, the present invention provides a technical solution: the high-efficiency devolatilization complete equipment for polymer high-content solvent comprises a glue solution storage tank 1, an inner cylinder 2, a first motor 3, a connecting shaft 4, a stirring shaft 5, an electric heating wire 6, a liquid metering pump 7, a mass flowmeter 8, a reactor 9, a second motor 10, a first transmission case 11, a structural rotor 12, a cylinder 13, an oil mold temperature machine 14, an extruder 15, a third motor 16, a second transmission case 17, a screw 18, a first condensing case 19, a Roots vacuum pump 20, a pre-pump condenser 21, a post-pump condenser 22, a valve 23, a front collecting tank 24, a post-collecting tank 25, a cold water machine 26 and a second condensing case 27, wherein the inner cylinder 2 is arranged in the glue solution storage tank 1, the first motor 3 is arranged at the upper end of the inner cylinder 2, the output end of the first motor 3 is connected with the connecting shaft 4, the stirring shaft 5 is arranged on the outer surface of the connecting shaft 4, the electric heating wire 6 is arranged in the inner cylinder 2, the outer surface of the inner cylinder 2 is connected with a liquid metering pump 7, the outer surface of the liquid metering pump 7 is provided with a mass flowmeter 8, the tail end of the liquid metering pump 7 is connected with a reactor 9, the outer surface of the reactor 9 is provided with a second motor 10, the output end of the second motor 10 is connected with a first transmission box 11, the first transmission box 11 is connected with a structural rotor 12, the structural rotor 12 is arranged in a cylinder 13, an oil mold temperature machine 14 is arranged at the lower end of the reactor 9, the lower end of the reactor 9 is connected with an extruder 15, the outer surface of the extruder 15 is provided with a third motor 16, the output end of the third motor 16 is connected with a second transmission box 17, the second transmission box 17 is connected with a screw 18, the upper end of the extruder 15 is connected with a first condensing box 19, the upper end of the first condensing box 19 is provided with a Roots vacuum pump set 20, the lower end of the Roots vacuum pump set 20 is connected with a condenser 21 in front of the pump, the first condensing tank 19 internally mounted has the pump back condenser 22 to be connected, and the pump back condenser 22 surface is provided with valve 23, and the valve 23 end is connected with preceding collecting tank 24, and preceding collecting tank 24 end is connected with back collecting tank 25, and the cooling water machine 26 sets up the surface at first condensing tank 19, and the second condensing tank 27 is installed to reactor 9 upper end, and second condensing tank 27 surface mounting has cooling water machine 26.
The (mixing) shaft 5 is arranged on the outer surface of the connecting shaft 4 at equal angles, the length of the (mixing) shaft 5 is smaller than that of the connecting shaft 4, and the connecting shaft 4 can drive the (mixing) shaft 5 to rotate under the action of the first motor 3, so that the (mixing) shaft 5 uniformly stirs the raw materials.
The electric heating wires 6 are arranged on the inner surface of the inner cylinder 2 at equal intervals, the installation height of the electric heating wires 6 is lower than that of the stirring shaft 5, and the electric heating wires 6 can heat the inner part of the inner cylinder 2, so that the inner cylinder 2 is suitable for high-viscosity glue solution.
The structural rotors 12 are arranged at equal intervals in the cylinder 13, the model of the structural rotors 12 is an E-shaped rotor, and the double-rotor operation mode is double-rotor differential operation, so that the interface updating efficiency and the heat exchange area can be more fully met.
The installation position of the oil mould temperature machine 14 corresponds to the installation position of the reactor 9, the type of the reactor 9 is an SCP double-rotor structure, high-temperature heat conduction oil is introduced into an interlayer of the reactor 9, heating control is realized, and the practicability of the device is improved.
The area of the first condensing box 19 is equal to that of the second condensing box 27, the first condensing box 19 is a vacuum condensation recovery system, the second condensing box 27 is a devolatilization co-rotating screw vacuum condensation recovery system, and the condensation recovery effect of the device is improved.
Working principle: when the polymer high-content solvent efficient devolatilization complete equipment is used, firstly, raw materials to be processed are placed in an inner cylinder 2, secondly, a user can electrify a first motor 3, so that the first motor 3 drives a stirring shaft 5 to rotate through a connecting shaft 4, the stirring shaft 5 uniformly stirs the raw materials, each component of glue solution is prevented from layering, meanwhile, the user can electrify an electric heating wire 6 to heat the inner cylinder 2, high-viscosity glue solution can be adapted, then the user can electrify a liquid metering pump 7 in a glue solution storage tank 1, the raw materials are extracted into a reactor 9 through a discharge hole at the lower end of the glue solution, and a mass flowmeter 8 is used for controlling and metering the glue solution flow fed into the reactor 9, so that the user can perform quantitative discharging conveniently;
Then, a user can electrify the oil mould temperature machine 14, so that the oil mould temperature machine 14 electrifies high-temperature heat conduction oil to the interlayer of the reactor 9 to realize heating control, and then electrifies the second motor 10, so that the second motor 10 drives the structural rotor 12 in the cylinder 13 to rotate through the first transmission case 11, and the double-rotor operation mode is double-rotor differential operation, so that the interface updating efficiency and the heat exchange area can be more fully met;
In the heating process, most of the solvent in the glue solution is decomposed into gas under the heating and vacuum state, the gas enters into the second condensing box 27, the gas is filtered and collected and discharged through the second condensing box 27, the liquid of the glue solution enters into the extruder 15, the extruder 15 is of a TSD devolatilization double-screw structure, a user can electrify the third motor 16, the third motor 16 drives the screw 18 to rotate through the second transmission box 17, the glue solution is volatilized rapidly, and the volatilized glue solution is discharged to the outside through the extruder 15;
Certain gas can be generated in the volatilization process, the gas can enter the first condensing box 19, the gas is collected through the Roots vacuum pump set 20, meanwhile, the condenser 21 ensures the vacuum degree before the pump, and reduces the pumping load of the vacuum pump; the post-pump condenser 22 is mainly used for condensing and recycling solvent, and a user can open a valve 23 to enable gas to enter the front collecting tank 24 and the rear collecting tank 25 in sequence, and when the first condensing tank 19 and the second condensing tank 27 work, the cold water machine 26 provides refrigerants for the pre-pump condenser 21 and the post-pump condenser 22, and the monomers of the pre-pump condenser 21 and the post-pump condenser 22 are condensed and recycled.
Although embodiments of the present invention have been shown and described, it will be understood by those skilled in the art that various changes, modifications, substitutions and alterations can be made therein without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.
Claims (4)
1. The utility model provides a high-efficient devolatilization complete sets of equipment of polymer high content solvent, includes glue solution storage tank (1), oily mould temperature machine (14) and cold water machine (26), its characterized in that: the glue solution storage tank (1) is internally provided with an inner cylinder (2), and the upper end of the inner cylinder (2) is provided with a first motor (3), the output end of the first motor (3) is connected with a connecting shaft (4), the outer surface of the connecting shaft (4) is provided with a stirring shaft (5), the inner cylinder (2) is internally provided with an electric heating wire (6), and the outer surface of the inner cylinder (2) is connected with a liquid metering pump (7), the outer surface of the liquid metering pump (7) is provided with a mass flowmeter (8), the tail end of the liquid metering pump (7) is connected with a reactor (9), the outer surface of the reactor (9) is provided with a second motor (10), the output end of the second motor (10) is connected with a first transmission box (11), the first transmission box (11) is connected with a structural rotor (12), the structural rotor (12) is arranged inside the cylinder (13), an oil mould temperature machine (14) is arranged at the lower end of the reactor (9), the lower end of the reactor (9) is connected with an extruder (15), the second motor (15) is provided with a third transmission box (16), the output end of the third motor (17) is connected with a screw (17), the extruder (15) upper end is connected with a first condensing box (19), a Roots vacuum pump set (20) is arranged at the first condensing box (19) upper end, the lower end of the Roots vacuum pump set (20) is connected with a front pump condenser (21), a rear pump condenser (22) is arranged in the first condensing box (19), a valve (23) is arranged on the outer surface of the rear pump condenser (22), the tail end of the valve (23) is connected with a front collecting tank (24), the tail end of the front collecting tank (24) is connected with a rear collecting tank (25), a cold water machine (26) is arranged on the outer surface of the first condensing box (19), a second condensing box (27) is arranged at the upper end of the reactor (9), and the cold water machine (26) is arranged on the outer surface of the second condensing box (27); the structural rotors (12) are arranged at equal intervals in the cylinder (13), and the model of the structural rotors (12) is an E-shaped rotor; the installation position of the oil mould temperature machine (14) corresponds to the installation position of the reactor (9), and the type of the reactor (9) is an SCP double-rotor structure; the working principle of the high-efficiency devolatilization complete equipment for the high-content solvent of the polymer is as follows: when the polymer high-content solvent efficient devolatilization complete equipment is used, firstly, raw materials to be processed are placed into the inner cylinder (2), secondly, a user can electrify the first motor (3), the first motor (3) drives the stirring shaft (5) to rotate through the connecting shaft (4), the stirring shaft (5) uniformly stirs the raw materials, layering of each component of a glue solution is avoided, meanwhile, the user can electrify the electric heating wire (6) to increase the inside of the inner cylinder (2)
The temperature can be adapted to high-viscosity glue solution, then a user can electrify a liquid metering pump (7) in the glue solution storage tank (1) so that raw materials are extracted into a reactor (9) through a discharge hole at the lower end of the liquid metering pump, and a mass flowmeter (8) is used for controlling and metering the glue solution flow fed into the reactor (9); then, a user can electrify the oil mould temperature machine (14) so that the oil mould temperature machine (14) electrifies high-temperature heat conduction oil to the interlayer of the reactor (9) to realize heating control, and then electrifies the second motor (10) so that the second motor (10) drives the structural rotor (12) in the cylinder (13) to rotate through the first transmission case (11), and the double-rotor operation mode is double-rotor differential operation; in the heating process, most of the solvent in the glue solution is decomposed into gas under the heating and vacuum state, the gas enters into a second condensing box (27), the gas is filtered and collected and discharged through the second condensing box (27), the liquid of the glue solution enters into an extruder (15), the extruder (15) is of a TSD devolatilization double-screw structure, a user can electrify a third motor (16), the third motor (16) drives a screw (18) to rotate through a second transmission box (17), the glue solution is volatilized rapidly, and the volatilized glue solution is discharged to the outside through the extruder (15); certain gas can be generated in the volatilization process, the gas can enter the first condensing box (19), the gas is collected through the Roots vacuum pump set (20), and meanwhile, the condenser (21) ensures the vacuum degree and reduces the pumping load of the vacuum pump; the pump back condenser (22) is mainly used for condensing and recycling solvent, and a valve (23) can be opened by a user, so that gas enters the front collecting tank (24) and the back collecting tank (25) in sequence to be stored, and when the first condensing tank (19) and the second condensing tank (27) work, the cold water machine (26) provides refrigerants for the pump front condenser (21) and the pump back condenser (22), and the monomers of the pump front condenser (21) and the pump back condenser (22) are condensed and recycled.
2. The high polymer solvent content efficient devolatilization kit as claimed in claim 1, wherein: the stirring shaft (5) is arranged on the outer surface of the connecting shaft (4) at an equal angle, and the length of the stirring shaft (5) is smaller than that of the connecting shaft (4).
3. The high polymer solvent content efficient devolatilization kit as claimed in claim 1, wherein: the electric heating wires (6) are arranged on the inner surface of the inner cylinder (2) at equal intervals, and the installation height of the electric heating wires (6) is lower than that of the stirring shaft (5).
4. The high polymer solvent content efficient devolatilization kit as claimed in claim 1, wherein: the area of the first condensing box (19) is equal to that of the second condensing box (27), and the first condensing box (19) is a vacuum condensing and recycling system.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202011271857.9A CN112275219B (en) | 2020-11-13 | 2020-11-13 | High-efficient devolatilization complete equipment of high-content solvent of polymer |
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| CN202011271857.9A CN112275219B (en) | 2020-11-13 | 2020-11-13 | High-efficient devolatilization complete equipment of high-content solvent of polymer |
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| CN112275219B true CN112275219B (en) | 2024-05-14 |
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Families Citing this family (1)
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| CN112275219B (en) * | 2020-11-13 | 2024-05-14 | 江苏诚盟装备股份有限公司 | High-efficient devolatilization complete equipment of high-content solvent of polymer |
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| CN1670046A (en) * | 2004-02-23 | 2005-09-21 | 兰科瑟斯有限公司 | Production method of isoolefine-diene and equipment thereof |
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| CN112275219A (en) * | 2020-11-13 | 2021-01-29 | 江苏诚盟装备股份有限公司 | Complete equipment for high-efficiency devolatilization of polymer high-content solvent |
Family Cites Families (1)
| Publication number | Priority date | Publication date | Assignee | Title |
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| DE102007045156A1 (en) * | 2007-09-20 | 2009-04-02 | Evonik Röhm Gmbh | Degassing extruder for degassing a polymer material and method for degassing a syrup from polymers, solvents and / or monomers using a degassing extruder |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4419185A (en) * | 1981-07-16 | 1983-12-06 | American Carbons, Inc. | Pyrolysis system with hot gas recirculation |
| US6249989B1 (en) * | 1997-03-05 | 2001-06-26 | Kfx Inc. | Method and apparatus for heat transfer |
| JP2001079831A (en) * | 1999-09-17 | 2001-03-27 | Japan Steel Works Ltd:The | Twin-screw extruder |
| CN1670046A (en) * | 2004-02-23 | 2005-09-21 | 兰科瑟斯有限公司 | Production method of isoolefine-diene and equipment thereof |
| CN110774554A (en) * | 2019-12-13 | 2020-02-11 | 泰兴汤臣压克力有限公司 | One-time reaction extrusion molding production line for acrylic plates |
| CN111035952A (en) * | 2019-12-19 | 2020-04-21 | 张家港威迪森化学有限公司 | Energy-saving and efficient devolatilization method of styrene-acrylic copolymer resin |
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| CN112275219A (en) | 2021-01-29 |
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