CN112275219A - Complete equipment for high-efficiency devolatilization of polymer high-content solvent - Google Patents
Complete equipment for high-efficiency devolatilization of polymer high-content solvent Download PDFInfo
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- CN112275219A CN112275219A CN202011271857.9A CN202011271857A CN112275219A CN 112275219 A CN112275219 A CN 112275219A CN 202011271857 A CN202011271857 A CN 202011271857A CN 112275219 A CN112275219 A CN 112275219A
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- glue solution
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- 239000002904 solvent Substances 0.000 title claims abstract description 28
- 229920000642 polymer Polymers 0.000 title claims abstract description 22
- 239000003292 glue Substances 0.000 claims abstract description 26
- 238000009833 condensation Methods 0.000 claims abstract description 23
- 230000005494 condensation Effects 0.000 claims abstract description 23
- 239000007788 liquid Substances 0.000 claims abstract description 22
- 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 14
- 230000005540 biological transmission Effects 0.000 claims description 20
- 239000002994 raw material Substances 0.000 claims description 11
- 238000011084 recovery Methods 0.000 claims description 10
- 238000009434 installation Methods 0.000 claims description 8
- 238000002207 thermal evaporation Methods 0.000 claims description 8
- 238000010438 heat treatment Methods 0.000 claims description 7
- 238000000034 method Methods 0.000 claims description 7
- 239000011229 interlayer Substances 0.000 claims description 3
- 239000000463 material Substances 0.000 claims description 2
- 238000005086 pumping Methods 0.000 claims description 2
- 239000003507 refrigerant Substances 0.000 claims description 2
- 230000000694 effects Effects 0.000 description 7
- 238000002156 mixing Methods 0.000 description 7
- 238000010094 polymer processing Methods 0.000 description 3
- 230000009286 beneficial effect Effects 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
- 239000000178 monomer Substances 0.000 description 2
- 229920003051 synthetic elastomer Polymers 0.000 description 2
- 239000005061 synthetic rubber Substances 0.000 description 2
- 230000004075 alteration 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
- 238000007599 discharging Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 238000001125 extrusion Methods 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
- 238000004064 recycling 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
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- 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 complete set of high-efficiency devolatilization equipment for a high-content polymer solvent, which comprises a glue solution storage tank, an oil mold temperature controller and a water chiller, 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, a stirring shaft is arranged on the outer surface of the connecting 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 condensation tank is arranged at the upper end of the reactor, and. The complete equipment for high-efficiency devolatilization of the polymer high-content solvent is characterized in that when the complete equipment is used, the lower end of the inner cylinder and the liquid metering pump are arranged, and the mass flow meter on the outer surface of the liquid metering pump is used for controlling and metering the flow of glue solution fed into the reactor, so that a user can conveniently carry out quantitative blanking.
Description
Technical Field
The invention relates to the technical field of polymer processing, in particular to a complete set of high-efficiency devolatilization equipment for a polymer with high content of solvent.
Background
In the related industries of polymer processing, chemical synthesis, synthetic rubber and the like, a solvent polymerization method is widely used, when processing and treating melts and colloids with high solvent content, 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 of demonomers in the polymer processing process, but the existing devices also have certain use defects when in use, such as:
the existing device does not have a quantitative discharging function when in use, so that the raw materials are not unevenly distributed when discharged, the processing effect of the device is influenced, the volatilization effect of the existing device is poor when in use, the integral processing quality of the device is influenced, the existing device does not have a vacuum condensation recovery system when in use, the gas generated in the processing process is collected and purified by an inconvenient user, and the existing environment-friendly concept is not met.
Disclosure of Invention
The invention aims to provide a complete set of equipment for efficiently devolatilizing high-content polymer solvent, which aims to solve the problems that the prior device in the background art does not have quantitative blanking function, has poor volatilization effect and does not have a vacuum condensation recovery system.
In order to achieve the purpose, the invention provides the following technical scheme: a complete set of equipment for high-efficiency devolatilization of polymer high-content solvent comprises a glue storage tank, an oil mold temperature controller and a water chiller, wherein an inner tube is arranged inside the glue storage tank, a first motor is installed at the upper end of the inner tube, the output end of the first motor is connected with a connecting shaft, a stirring shaft is arranged on the outer surface of the connecting shaft, an electric heating wire is arranged inside the inner tube, the outer surface of the inner tube is connected with a liquid metering pump, a mass flow meter 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 motor is installed on the outer surface of the reactor, the output end of the second motor is connected with a first transmission case, the first transmission case is connected with a structural rotor, the structural rotor is arranged inside the tube body, the oil mold temperature controller is arranged at the lower end of the reactor, the lower end of, 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 condenser box, and roots vacuum pump group is installed to first condenser box upper end, roots vacuum pump group lower extreme is connected with the condenser before the pump, first condenser box internally mounted has the pump after the condenser to be connected, and pump after the condenser surface is provided with the valve, the valve end is connected with preceding holding vessel, and just preceding holding vessel end is connected with the back holding vessel, the cold water machine sets up the surface at first condenser box, the second condenser box is installed to the reactor upper end, and second condenser box surface mounting has the cold water machine.
Preferably, the stirring shaft is arranged on the outer surface of the connecting shaft at equal angles, 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 barrel 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 in the cylinder at equal intervals, and the type of the structural rotors is 'E' -shaped.
Preferably, the installation position of the oil mold temperature controller corresponds to the installation position of the reactor, and the model of the reactor is an SCP double-rotor type structure.
Preferably, the area of the first condensing tank is equal to that of the second condensing tank, and the first condensing tank is a vacuum condensation recovery system.
Compared with the prior art, the invention has the beneficial effects that: the polymer high-content solvent high-efficiency devolatilization complete equipment,
1. when the device is used, the lower end of the inner cylinder is connected with the liquid metering pump, and the mass flow meter on the outer surface of the liquid metering pump is used for controlling and metering the flow of glue solution fed into the reactor, so that a user can conveniently carry out quantitative blanking, the problem that the existing device does not have a quantitative blanking function when in use in the background technology 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 beneficial to the removal of volatile components such as solvent, monomer and the like from high-viscosity polymers, can quickly volatilize high-content solvent and the like, and the lower-order TSD devolatilization type homodromous screw extruder has a more excellent shearing and mixing function, can volatilize the residual inside the polymer and deeply devolatilize the polymer, thereby improving the volatilization effect of the device, solving the problem that the prior device has poor volatilization effect when in use and being convenient for a user to use;
3. the device is provided with first condensing box and second condensing box vacuum condensation recovery system when using, can accomplish vacuum and bleed, condensed solvent recovery, tail gas collection complete set link, has solved the problem that proposes current device and does not have vacuum condensation recovery system among the above-mentioned background art.
Drawings
FIG. 1 is a schematic overall front cross-sectional structural view of the present invention;
FIG. 2 is a schematic sectional view of the extruder and the first condenser box of the present invention;
FIG. 3 is a top sectional view of the rotor and the barrel of the present invention;
FIG. 4 is a schematic view of the bottom view of the connecting shaft and the stirring shaft of the present invention.
In the figure: 1. a glue solution storage tank; 2. an inner barrel; 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 flow meter; 9. a reactor; 10. a second motor; 11. a first transmission case; 12. a structural rotor; 13. a barrel; 14. an oil mold temperature machine; 15. an extruder; 16. a third motor; 17. a second transmission case; 18. a screw; 19. a first condenser tank; 20. a Roots vacuum pump set; 21. a condenser before the pump; 22. a post-pump condenser; 23. a valve; 24. a front collection tank; 25. a rear collection tank; 26. a water chiller; 27. a second condensation tank.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
Referring to fig. 1-4, the present invention provides a technical solution: a complete set of high-efficiency devolatilization equipment for polymer high-content solvent comprises a glue 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 flow meter 8, a reactor 9, a second motor 10, a first transmission case 11, a structural rotor 12, a cylinder 13, an oil mold temperature controller 14, an extruder 15, a third motor 16, a second transmission case 17, a screw 18, a first condensation case 19, a Roots vacuum pump set 20, a pre-pump condenser 21, a post-pump condenser 22, a valve 23, a front collection tank 24, a rear collection tank 25, a water cooler 26 and a second condensation case 27, wherein the inner cylinder 2 is arranged in the glue 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, 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 flow meter 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 a cylinder body 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 condensation box 19, the upper end of the first condensation box 19 is provided with a Roots vacuum pump set 20, the lower end of the, first condensing tank 19 internally mounted has pump postcondenser 22 to be connected, and pump postcondenser 22 surface is provided with valve 23, and valve 23 end is connected with preceding holding vessel 24, and preceding holding vessel 24 end is connected with postcollecting vessel 25, and cold water machine 26 sets up the surface at first condensing tank 19, and reactor 9 upper end is installed second condensing tank 27, and second condensing tank 27 surface mounting has cold water machine 26.
The (mixing) shaft 5 is in the equal angle setting of the surface of connecting axle 4, and the length of (mixing) shaft 5 is less than the length of connecting axle 4, and connecting axle 4 can drive (mixing) shaft 5 under the effect of first motor 3 and rotate for (mixing) shaft 5 carries out even stirring to the raw materials.
Electric heating wire 6 is equidistant to be set up at the internal surface of inner tube 2, and electric heating wire 6's mounting height is less than the mounting height of (mixing) shaft 5, and electric heating wire 6 can heat to inner tube 2 inside to make inner tube 2 adapt to high viscosity glue solution.
The structure rotor 12 is arranged in the cylinder 13 at equal intervals, the model of the structure rotor 12 is an E-shaped rotor, the operation mode of the double rotors is double-rotor differential operation, and the interface updating efficiency and the heat exchange area can be more fully met.
The installation position of the oil mold temperature controller 14 corresponds to the installation position of the reactor 9, the type of the reactor 9 is of an SCP double-rotor type structure, high-temperature heat conduction oil is introduced into an interlayer of the reactor 9, heating control is achieved, and the practicability of the device is improved.
The area of first condensing box 19 equals with the area of second condensing box 27, and first condensing box 19 is the vacuum condensation recovery system, and second condensing box 27 is for taking off wave syntropy screw rod vacuum condensation recovery system, improves the device's condensation recovery effect.
The working principle is as follows: when the polymer high-content solvent efficient devolatilization complete equipment is used, firstly, a raw material to be processed is placed inside an inner barrel 2, then, 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 can uniformly stir the raw material, the layering of each component of glue solution is avoided, meanwhile, the user can electrify an electric heating wire 6, the temperature inside the inner barrel 2 is increased, the high-viscosity glue solution can be adapted, then, the user can electrify a liquid metering pump 7 inside a glue solution storage tank 1, so that the raw material is pumped into a reactor 9 through a discharge port at the lower end of the raw material, and a mass flow meter 8 is used for controlling and metering the flow of the glue solution fed into the reactor 9, thereby facilitating the quantitative blanking of the;
next, a user can electrify the oil mold temperature controller 14, so that the oil mold temperature controller 14 conducts high-temperature heat conduction oil to the interlayer of the reactor 9 to realize heating control, and then electrify 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 operation mode of the double rotors 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 in the heating and vacuum states, the gas enters the second condensing tank 27, the gas is filtered, collected and discharged through the second condensing tank 27, the liquid of the glue solution enters the extruder 15, the extruder 15 is of a TSD devolatilization type 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 material is rapidly volatilized, and the volatilized and discharged to the outside through the extruder 15;
certain gas can be generated in the volatilization process, the gas can enter the first condensation box 19 and is collected by the Roots vacuum pump set 20, and meanwhile, the pre-pump condenser 21 ensures the vacuum degree and reduces the pumping load of the vacuum pump; the pump rear condenser 22 is mainly used for condensing and recycling a solvent, a valve 23 can be opened by a user, gas enters a front collecting tank 24 and a rear collecting tank 25 successively to be stored, and when the first condensation tank 19 and the second condensation tank 27 work, the water chiller 26 provides a refrigerant for the pump front condenser 21 and the pump rear condenser 22, and monomers of the pump front condenser 21 and the pump rear condenser 22 are condensed and recycled.
Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.
Claims (7)
1. The utility model provides a complete sets is waved to high-efficient taking off of polymer high content solvent, includes glue solution storage tank (1), oil 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), a first motor (3) is installed at the upper end of the inner cylinder (2), the output end of the first motor (3) is connected with a connecting shaft (4), a stirring shaft (5) is arranged on the outer surface of the connecting shaft (4), an electric heating wire (6) is arranged inside the inner cylinder (2), the outer surface of the inner cylinder (2) is connected with a liquid metering pump (7), a mass flow meter (8) is arranged on the outer surface of the liquid metering pump (7), the tail end of the liquid metering pump (7) is connected with a reactor (9), a second motor (10) is installed on the outer surface of the reactor (9), the output end of the second motor (10) is connected with a first transmission case (11), the first transmission case (11) is connected with a structural rotor (12), and the structural rotor (12) is arranged inside a cylinder body (, the oil mold temperature controller (14) is arranged at the lower end of the reactor (9), the lower end of the reactor (9) is connected with the extruder (15), a third motor (16) is arranged on the outer surface of the extruder (15), 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 condensation box (19), a Roots vacuum pump set (20) is arranged at the upper end of the first condensation box (19), 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 inside the first condensation box (19) and is connected with a valve (23) on the outer surface of the rear pump condenser (22), the tail end of the valve (23) is connected with a front collection tank (24), and the tail end of the front collection tank (24) is connected with a rear collection tank (25), the water cooler (26) is arranged on the outer surface of the first condensation tank (19), the second condensation tank (27) is installed at the upper end of the reactor (9), and the water cooler (26) is installed on the outer surface of the second condensation tank (27).
2. The polymer high solvent content high efficiency devolatilization plant as claimed in claim 1, wherein: the stirring shaft (5) is arranged on the outer surface of the connecting shaft (4) at equal angles, and the length of the stirring shaft (5) is smaller than that of the connecting shaft (4).
3. The polymer high solvent content high efficiency devolatilization plant as claimed in claim 1, wherein: the electric heating wires (6) are arranged on the inner surface of the inner barrel (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 polymer high solvent content high efficiency devolatilization plant as claimed in claim 1, wherein: the structural rotor (12) is arranged in the cylinder body (13) at equal intervals, and the type of the structural rotor (12) is an E-shaped rotor.
5. The polymer high solvent content high efficiency devolatilization plant as claimed in claim 1, wherein: the installation position of the oil mold temperature controller (14) corresponds to the installation position of the reactor (9), and the type of the reactor (9) is an SCP double-rotor type structure.
6. The polymer high solvent content high efficiency devolatilization plant as claimed in claim 1, wherein: the area of the first condensation box (19) is equal to that of the second condensation box (27), and the first condensation box (19) is a vacuum condensation recovery system.
7. The polymer high solvent content high efficiency devolatilization plant as claimed in claim 1, wherein: the working principle of the complete equipment for efficiently devolatilizing the polymer with high solvent content is as follows: when the polymer high-content solvent efficient devolatilization complete equipment is used, firstly, a raw material to be processed is placed inside an inner cylinder (2), then a user can electrify a first motor (3) to enable the first motor (3) to drive a stirring shaft (5) to rotate through a connecting shaft (4), so that the stirring shaft (5) can uniformly stir the raw material to avoid the components of glue solution from being layered, meanwhile, the user can electrify an electric heating wire (6) to heat the inside of the inner cylinder (2) to adapt to high-viscosity glue solution, then the user can electrify a liquid metering pump (7) inside a glue solution storage tank (1) to enable the raw material to be extracted into a reactor (9) through a discharge port at the lower end of the raw material, and a mass flow meter (8) is used for controlling and metering the flow of the glue solution fed into the reactor (9);
then, a user can electrify the oil mold temperature controller (14) to enable the oil mold temperature controller (14) to feed high-temperature heat conduction oil to the interlayer of the reactor (9) to realize heating control, and then electrify the second motor (10) to enable the second motor (10) to drive the structural rotor (12) inside the cylinder body (13) to rotate through the first transmission case (11), wherein the operation mode of the double rotors is double-rotor differential operation;
in the heating process, most of solvent in the glue solution is decomposed into gas in the heating and vacuum states, the gas enters the second condensing box (27), the gas is filtered, collected and discharged through the second condensing box (27), the liquid of the glue solution enters the extruder (15), the extruder (15) is of a TSD devolatilization type double-screw structure, a user can electrify the third motor (16), so that the third motor (16) drives the screw (18) to rotate through the second transmission box (17), the glue material is rapidly volatilized, and the volatilized and discharged to the outside through the extruder (15);
the gas generating device comprises a first condensation tank (19), a Roots vacuum pump set (20), a pre-pump condenser (21), a post-pump condenser (22), a valve (23) and a water cooler (26), wherein a certain amount of gas is generated in the volatilization process, the gas can enter the first condensation tank (19) and is collected by the Roots vacuum pump set (20), meanwhile, the vacuum degree of the pre-pump condenser (21) is ensured, the pumping load of a vacuum pump is reduced, the post-pump condenser (22) is mainly used for condensing and recovering a solvent, then, a user can open the valve (23), so that the gas can enter a front collection tank (24) and a rear collection tank (25) in sequence to be stored, when the first condensation tank (19) and the second condensation tank (27) work, the water cooler (26) provides a refrigerant for the pre-pump condenser (21.
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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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| 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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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
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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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| Publication number | Priority date | Publication date | Assignee | Title |
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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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| 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 |
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