CN221062690U - Environment-friendly heating device for phenolic resin reaction kettle - Google Patents
Environment-friendly heating device for phenolic resin reaction kettle Download PDFInfo
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- CN221062690U CN221062690U CN202322363349.9U CN202322363349U CN221062690U CN 221062690 U CN221062690 U CN 221062690U CN 202322363349 U CN202322363349 U CN 202322363349U CN 221062690 U CN221062690 U CN 221062690U
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- reaction kettle
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- microwave
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- 238000006243 chemical reaction Methods 0.000 title claims abstract description 119
- 229920001568 phenolic resin Polymers 0.000 title claims abstract description 21
- 239000005011 phenolic resin Substances 0.000 title claims abstract description 20
- KXGFMDJXCMQABM-UHFFFAOYSA-N 2-methoxy-6-methylphenol Chemical compound [CH]OC1=CC=CC([CH])=C1O KXGFMDJXCMQABM-UHFFFAOYSA-N 0.000 title claims abstract description 19
- 238000010438 heat treatment Methods 0.000 title claims abstract description 15
- 238000003756 stirring Methods 0.000 claims abstract description 36
- 230000001681 protective effect Effects 0.000 claims description 29
- 238000007789 sealing Methods 0.000 claims description 25
- 238000003860 storage Methods 0.000 claims description 24
- 238000005192 partition Methods 0.000 claims description 8
- 239000000919 ceramic Substances 0.000 claims description 5
- 239000011521 glass Substances 0.000 claims description 5
- 239000002184 metal Substances 0.000 claims description 2
- 239000007788 liquid Substances 0.000 abstract description 75
- 239000002994 raw material Substances 0.000 abstract description 53
- 238000006068 polycondensation reaction Methods 0.000 abstract description 13
- 239000000126 substance Substances 0.000 abstract description 3
- 239000000463 material Substances 0.000 description 5
- 238000000034 method Methods 0.000 description 4
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 3
- CSCPPACGZOOCGX-UHFFFAOYSA-N Acetone Chemical compound CC(C)=O CSCPPACGZOOCGX-UHFFFAOYSA-N 0.000 description 2
- 238000010521 absorption reaction Methods 0.000 description 2
- 230000005540 biological transmission Effects 0.000 description 2
- 239000007769 metal material Substances 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- UHOVQNZJYSORNB-UHFFFAOYSA-N monobenzene Natural products C1=CC=CC=C1 UHOVQNZJYSORNB-UHFFFAOYSA-N 0.000 description 2
- -1 phenol aldehyde Chemical class 0.000 description 2
- LFQSCWFLJHTTHZ-UHFFFAOYSA-N Ethanol Chemical compound CCO LFQSCWFLJHTTHZ-UHFFFAOYSA-N 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000012824 chemical production Methods 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000009792 diffusion process Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- SLGWESQGEUXWJQ-UHFFFAOYSA-N formaldehyde;phenol Chemical compound O=C.OC1=CC=CC=C1 SLGWESQGEUXWJQ-UHFFFAOYSA-N 0.000 description 1
- 239000003960 organic solvent Substances 0.000 description 1
- 229920000642 polymer Polymers 0.000 description 1
- 230000000630 rising effect Effects 0.000 description 1
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- Physical Or Chemical Processes And Apparatus (AREA)
Abstract
The utility model relates to the technical field of chemical machinery, in particular to an environment-friendly heating device of a phenolic resin reaction kettle, which not only ensures that raw material liquid in a reaction kettle cavity is heated more uniformly and the rate of polycondensation reaction is improved, but also is energy-saving, environment-friendly and high in practicality and reliability; the reaction kettle is fixedly arranged at the upper end of the bottom plate through the bracket, a cavity is arranged in the reaction kettle, the liquid inlet pipe is arranged at the upper part of the reaction kettle, a valve is arranged on the liquid inlet pipe, and a liquid discharge pipe is arranged at the lower part of the reaction kettle; still include agitating unit, microwave generating device and power supply unit, microwave generating device installs in reation kettle, and microwave generating device is used for sending the microwave, and power supply unit is used for supplying power to microwave generating device, and agitating unit installs on reation kettle, and agitating unit has the stirring function.
Description
Technical Field
The utility model relates to the technical field of chemical machinery, in particular to an environment-friendly heating device of a phenolic resin reaction kettle.
Background
Phenolic resin is a chemical polymer, insoluble in water, soluble in organic solvents such as acetone and alcohol. It has wide application in the chemical production process. Phenolic resins are generally prepared by polycondensation of phenol formaldehyde or its derivatives. In the polycondensation reaction of phenol aldehyde or its derivative, external heat is required to promote the reaction rate.
In the prior art, the environment-friendly heating device of the phenolic resin reaction kettle with the patent application number of 201320675465.8 mainly comprises a reaction kettle, a heater and a heat exchange tube, wherein the heat exchange tube is arranged on the heater and is positioned in the reaction kettle, when the phenolic resin is produced, firstly raw material liquid of benzene phenolic aldehyde or derivatives thereof is added into the reaction kettle, then the heater is opened to heat water in the heat exchange tube, and the water in the heat exchange tube exchanges heat with the raw material liquid in the reaction kettle through the tube wall of the heat exchange tube to perform polycondensation reaction to generate the phenolic resin.
The heat exchange tube is fixed in the reaction kettle, so that the heat absorbed by the raw material liquid close to the heat exchange tube in the reaction kettle is more, and the heat absorbed by the raw material liquid far away from the heat exchange tube in the reaction kettle is less, so that the raw material liquid in the reaction kettle is heated unevenly, the raw material liquid at each part in the reaction kettle cannot be fully promoted to perform polycondensation reaction, and the reaction kettle is inconvenient to use and poor in practicability.
Disclosure of utility model
In order to solve the technical problems, the utility model provides the environment-friendly heating device for the phenolic resin reaction kettle, which not only enables the raw material liquid in the reaction kettle cavity to be heated more uniformly and improves the rate of polycondensation reaction, but also is energy-saving and environment-friendly and has high practicability and reliability.
The utility model relates to an environment-friendly heating device for a phenolic resin reaction kettle, which comprises a bottom plate, a bracket, a reaction kettle and a liquid inlet pipe, wherein the reaction kettle is fixedly arranged at the upper end of the bottom plate through the bracket, a cavity is arranged in the reaction kettle, the liquid inlet pipe is arranged at the upper part of the reaction kettle, a valve is arranged on the liquid inlet pipe, and a liquid outlet pipe is arranged at the lower part of the reaction kettle; the microwave stirring device is arranged on the reaction kettle, and the stirring device has a stirring function; when the reaction kettle is used, raw material liquid required for producing phenolic resin is firstly added into a cavity of the reaction kettle through a liquid inlet pipe, then a valve on the liquid inlet pipe is closed, then a power supply device is used for supplying power to a microwave generating device, so that the microwave generating device emits microwaves in the cavity of the reaction kettle, the microwaves enter the raw material liquid to promote the movement of molecules in the raw material liquid, the raw material liquid is heated, and meanwhile, a stirring device is turned on, so that the raw material liquid is turned over in the cavity of the reaction kettle, and the raw material liquid at each part in the cavity of the reaction kettle can fully absorb the microwaves and then is heated to promote the polycondensation reaction of the raw material liquid; through the stirring to the raw materials liquid, the raw materials liquid that makes each position in the reation kettle cavity can be abundant after the absorption microwave intensifies, and it is more even to be heated, has improved the polycondensation reaction rate of raw materials liquid, convenient to use, and the practicality is high.
Preferably, the microwave generating device comprises a sealing baffle plate, a plurality of groups of microwave generators, a protective cover and a lifting device, wherein the sealing baffle plate is fixedly arranged at the lower part of a reaction kettle chamber, the sealing baffle plate divides the reaction kettle chamber into an upper space and a lower space which are mutually independent, one part of the microwave generators are fixedly arranged at the lower end of the reaction kettle chamber and are positioned below the sealing baffle plate, the other part of the microwave generators are fixedly arranged on the protective cover, the output end of the microwave generators are positioned at the lower side of the protective cover, and the protective cover is arranged on the reaction kettle through the lifting device; when the raw material liquid in the reaction kettle cavity is heated, firstly, a plurality of groups of microwave generators on the lower side of the sealing partition plate are turned on, so that the plurality of groups of microwave generators on the lower side of the sealing partition plate emit microwaves, the microwaves pass through the sealing partition plate and then contact the raw material liquid on the lower part of the reaction kettle cavity, the raw material liquid is heated, meanwhile, a lifting device drives a protective cover to adjust the height according to the liquid level of the raw material liquid in the reaction kettle cavity, the protective cover is positioned above the liquid level, and then, the plurality of groups of microwave generators in the protective cover are turned on, so that the plurality of groups of microwave generators on the protective cover emit microwaves to promote the heating of the raw material liquid in the reaction kettle cavity; the upper part and the lower part of the reaction kettle chamber are respectively provided with a microwave generator, so that the upper part and the lower part of the raw material liquid can be heated simultaneously, the raw material liquid is heated more uniformly, and the use is convenient.
Preferably, the lifting device comprises a hydraulic cylinder, a push rod and a lifting plate, wherein the hydraulic cylinder is fixedly arranged at the upper end of the reaction kettle, the push rod is vertically and slidably arranged at the upper part of the reaction kettle, the upper end of the push rod is connected with the output end of the hydraulic cylinder, the lifting plate is vertically and slidably arranged on the reaction kettle, the lifting plate is fixedly arranged at the lower end of the push rod, and the protective cover is fixedly arranged at the lower end of the lifting plate; when the raw material liquid in the reaction kettle cavity is heated, the hydraulic cylinder is opened, the hydraulic cylinder drives the lifting plate to drive the protective cover to adjust the height through the push rod, and the protective cover drives a plurality of groups of connected microwave generators to adjust the height, so that the plurality of groups of microwave generators in the protective cover are positioned above the liquid level in the reaction kettle cavity; the microwave generators on the protective cover are as close to the raw material liquid as possible, so that the loss of microwaves in the transmission process is reduced, and the practicability is improved.
Preferably, the stirring device comprises a motor, a rotating shaft and a plurality of groups of stirring sheets, wherein the motor is fixedly arranged on the reaction kettle, the rotating shaft is rotatably arranged on the reaction kettle, the input end of the rotating shaft is connected with the output end of the motor, the plurality of groups of stirring sheets are fixedly arranged on the rotating shaft, and the plurality of groups of stirring sheets are positioned in a cavity of the reaction kettle; when the raw material liquid in the reaction kettle cavity is heated, the motor is turned on, the motor drives the rotating shaft to rotate, the rotating shaft drives the plurality of groups of stirring sheets to rotate, the plurality of groups of stirring sheets promote the stirring of the raw material liquid in the reaction kettle cavity in the rotating process, the raw material liquid is heated more uniformly, and the polycondensation reaction rate is promoted.
Preferably, the power supply device comprises a solar photovoltaic panel and a storage battery pack, the storage battery pack is arranged on the reaction kettle, two groups of input ends are arranged on the storage battery pack, one group of input ends are connected with the solar photovoltaic panel, and the output ends of the storage battery pack are connected with a plurality of groups of microwave generators; the other input end of the storage battery is connected with an external power supply, when the storage battery is used in the night, the solar photovoltaic panel converts solar energy into electric energy and transmits the electric energy to the storage battery, and then the storage battery transmits the electric energy to a plurality of groups of microwave generators for use, and when the storage battery is used in the night, the storage battery is powered by the external power supply; the solar energy power supply mode enables the microwave generators to emit microwaves, saves electric energy, and is energy-saving and environment-friendly.
Preferably, a thermometer is arranged on the reaction kettle; through the arrangement, the temperature in the reaction kettle chamber is conveniently monitored.
Preferably, the material of the reaction kettle is a metal material, and the material of the sealing partition plate is glass or ceramic; through reation kettle's protection, reduced microwave diffusion to the external world and arouse microwave pollution, the material of sealed baffle is glass or ceramic simultaneously, is convenient for microwave to penetrate, has reduced the loss of microwave when passing sealed baffle.
Compared with the prior art, the utility model has the beneficial effects that: not only can the raw material liquid in the reaction kettle cavity be heated more uniformly and the rate of polycondensation reaction be improved, but also the method is energy-saving and environment-friendly and has high practicality and reliability.
Drawings
FIG. 1 is a schematic cross-sectional structural view of a reaction vessel;
FIG. 2 is a schematic illustration of an axially measured structure of the present utility model;
FIG. 3 is a schematic view of a lifting device;
FIG. 4 is a schematic structural view of a stirring device;
FIG. 5 is a schematic diagram of the front view of the present utility model;
The reference numerals in the drawings: 1. a bottom plate; 2. a bracket; 3. a reaction kettle; 4. a liquid inlet pipe; 6. a sealing separator; 7. a microwave generator; 8. a protective cover; 9. a hydraulic cylinder; 10. a push rod; 11. a lifting plate; 12. a motor; 13. a rotating shaft; 14. stirring sheets; 15. a solar photovoltaic panel; 16. a battery pack; 17. a thermometer.
Detailed Description
In order that the utility model may be readily understood, a more complete description of the utility model will be rendered by reference to the appended drawings. This utility model may be embodied in many different forms and is not limited to the embodiments described herein. Rather, these embodiments are provided so that this disclosure will be thorough and complete.
Example 1
As shown in fig. 1 to 5, the environment-friendly heating device for the phenolic resin reaction kettle comprises a bottom plate 1, a bracket 2, a reaction kettle 3, a liquid inlet pipe 4, a stirring device, a microwave generating device and a power supply device, wherein the reaction kettle 3 is fixedly arranged at the upper end of the bottom plate 1 through the bracket 2, a thermometer 17 is arranged on the reaction kettle 3, a cavity is arranged in the reaction kettle 3, the liquid inlet pipe 4 is arranged at the upper part of the reaction kettle 3, a valve is arranged on the liquid inlet pipe 4, a liquid outlet pipe is arranged at the lower part of the reaction kettle 3, the microwave generating device is arranged in the reaction kettle 3 and is used for generating microwaves, the power supply device is used for supplying power to the microwave generating device, the stirring device is arranged on the reaction kettle 3, and the stirring device has a stirring function; when the reaction kettle is used, raw material liquid required for producing phenolic resin is firstly added into a cavity of the reaction kettle 3 through the liquid inlet pipe 4, then a valve on the liquid inlet pipe 4 is closed, then power is supplied to the microwave generating device through the power supply device, so that the microwave generating device emits microwaves in the cavity of the reaction kettle 3, the microwaves enter the raw material liquid to promote the movement of molecules in the raw material liquid, the raw material liquid is heated, and meanwhile, the stirring device is turned on, so that the raw material liquid is turned over in the cavity of the reaction kettle 3, the raw material liquid at each part in the cavity of the reaction kettle 3 can fully absorb the microwaves and then heat, and the polycondensation reaction of the raw material liquid is promoted; through the stirring to the raw materials liquid, the raw materials liquid that makes each position in the 3 cavity of reation kettle can be abundant after the absorption microwave intensifies, and it is more even to be heated, has improved the polycondensation reaction rate of raw materials liquid, convenient to use, and the practicality is high.
As shown in fig. 1 and 3, the microwave generating device comprises a sealing baffle plate 6, a plurality of groups of microwave generators 7, a protective cover 8 and a lifting device, wherein the sealing baffle plate 6 is fixedly arranged at the lower part of a cavity of the reaction kettle 3, the sealing baffle plate 6 divides the cavity of the reaction kettle 3 into an upper space and a lower space which are mutually independent, one part of the microwave generators 7 is fixedly arranged at the lower end of the cavity of the reaction kettle 3 and is positioned below the sealing baffle plate 6, the other part of the microwave generators 7 is fixedly arranged on the protective cover 8, the output end of the microwave generators is positioned at the lower side of the protective cover 8, and the protective cover 8 is arranged on the reaction kettle 3 through the lifting device; when the raw material liquid in the cavity of the reaction kettle 3 is heated, firstly, a plurality of groups of microwave generators 7 at the lower side of the sealing baffle plate 6 are opened, so that the plurality of groups of microwave generators 7 at the lower side of the sealing baffle plate 6 emit microwaves, the microwaves pass through the sealing baffle plate 6 and then contact the raw material liquid at the lower part of the cavity of the reaction kettle 3, the raw material liquid is heated, meanwhile, a lifting device drives a protective cover 8 to adjust the height according to the liquid level of the raw material liquid in the cavity of the reaction kettle 3, the protective cover 8 is positioned above the liquid level, and then the plurality of groups of microwave generators 7 in the protective cover 8 are opened, so that the plurality of groups of microwave generators 7 on the protective cover 8 emit microwaves to promote the temperature rising of the raw material liquid in the cavity of the reaction kettle 3; the upper part and the lower part of the cavity of the reaction kettle 3 are respectively provided with a microwave generator 7, so that the upper part and the lower part of the raw material liquid can be heated simultaneously, the raw material liquid is heated more uniformly, and the use is convenient.
The lifting device comprises a hydraulic cylinder 9, a push rod 10 and a lifting plate 11, wherein the hydraulic cylinder 9 is fixedly arranged at the upper end of the reaction kettle 3, the push rod 10 is vertically and slidably arranged at the upper part of the reaction kettle 3, the upper end of the push rod 10 is connected with the output end of the hydraulic cylinder 9, the lifting plate 11 is vertically and slidably arranged on the reaction kettle 3, the lifting plate 11 is fixedly arranged at the lower end of the push rod 10, and the protective cover 8 is fixedly arranged at the lower end of the lifting plate 11; when the raw material liquid in the cavity of the reaction kettle 3 is heated, the hydraulic cylinder 9 is opened, the hydraulic cylinder 9 drives the lifting plate 11 to drive the protection cover 8 to adjust the height through the push rod 10, and the protection cover 8 drives the connected multiple groups of microwave generators 7 to adjust the height, so that the multiple groups of microwave generators 7 in the protection cover 8 are positioned above the liquid level in the cavity of the reaction kettle 3; the microwave generators 7 on the protective cover 8 are as close to the raw material liquid as possible, so that the loss of microwaves in the transmission process is reduced, and the practicability is improved.
As shown in fig. 4, the stirring device comprises a motor 12, a rotating shaft 13 and a plurality of groups of stirring sheets 14, wherein the motor 12 is fixedly arranged on the reaction kettle 3, the rotating shaft 13 is rotatably arranged on the reaction kettle 3, the input end of the rotating shaft 13 is connected with the output end of the motor 12, the plurality of groups of stirring sheets 14 are fixedly arranged on the rotating shaft 13, and the plurality of groups of stirring sheets 14 are positioned in a cavity of the reaction kettle 3; when the raw material liquid in the cavity of the reaction kettle 3 is heated, the motor 12 is turned on, the motor 12 drives the rotating shaft 13 to rotate, the rotating shaft 13 drives the plurality of groups of stirring sheets 14 to rotate, the stirring sheets 14 promote the stirring of the raw material liquid in the cavity of the reaction kettle 3 in the rotating process, the raw material liquid is heated more uniformly, and the polycondensation reaction rate is promoted.
As shown in fig. 2, the power supply device comprises a solar photovoltaic panel 15 and a storage battery pack 16, the storage battery pack 16 is installed on the reaction kettle 3, two groups of input ends are arranged on the storage battery pack 16, one group of input ends are connected with the solar photovoltaic panel 15, and the output ends of the storage battery pack 16 are connected with a plurality of groups of microwave generators 7; the other input end of the storage battery pack 16 is connected with an external power supply, when the solar power is in the daytime, the solar photovoltaic panel 15 converts solar energy into electric energy and transmits the electric energy to the storage battery pack 16, then the storage battery pack 16 transmits the electric energy to the plurality of groups of microwave generators 7 for use, and when the storage battery pack 16 is in the night, the electric energy is supplied to the storage battery pack 16 through the external power supply; the solar energy power supply mode enables the microwave generators 7 to emit microwaves, so that electric energy is saved, and the energy is saved and the environment is protected.
Example 2
Based on the embodiment 1, the material of the reaction kettle 3 is a metal material, and the material of the sealing partition plate 6 is glass or ceramic; the reaction kettle 3 made of metal has a reflection effect on microwaves, so that the microwaves diffused to the outside are reduced through the protection of the reaction kettle 3, the microwaves are prevented from being diffused to the outside to cause microwave pollution, meanwhile, the sealing partition plate 6 is made of glass or ceramic, the microwaves are convenient to penetrate, and the loss of the microwaves when passing through the sealing partition plate 6 is reduced.
The reaction kettle 3, the sealing baffle 6, the microwave generator 7, the hydraulic cylinder 9, the stirring sheet 14, the solar photovoltaic panel 15 and the storage battery 16 of the environment-friendly heating device for the phenolic resin reaction kettle are all purchased in the market, and can be installed and operated by a person skilled in the art according to the attached use instruction without creative labor of the person skilled in the art.
The foregoing is merely a preferred embodiment of the present utility model, and it should be noted that it will be apparent to those skilled in the art that modifications and variations can be made without departing from the technical principles of the present utility model, and these modifications and variations should also be regarded as the scope of the utility model.
Claims (5)
1. The utility model provides a phenolic resin reation kettle environment-friendly heating device, including bottom plate (1), support (2), reation kettle (3) and feed liquor pipe (4), reation kettle (3) are provided with the cavity through support (2) fixed mounting in bottom plate (1) upper end in reation kettle (3), and feed liquor pipe (4) are installed in reation kettle (3) upper portion, are provided with the valve on feed liquor pipe (4), and reation kettle (3) lower part is provided with the fluid-discharge tube; the device is characterized by further comprising a stirring device, a microwave generating device and a power supply device, wherein the microwave generating device is arranged in the reaction kettle (3) and is used for emitting microwaves, the power supply device is used for supplying power to the microwave generating device, the stirring device is arranged on the reaction kettle (3) and has a stirring function;
The microwave generating device comprises a sealing baffle plate (6), a plurality of groups of microwave generators (7), a protective cover (8) and a lifting device, wherein the sealing baffle plate (6) is fixedly arranged at the lower part of a cavity of the reaction kettle (3), the cavity of the reaction kettle (3) is divided into an upper space and a lower space which are mutually independent by the sealing baffle plate (6), one part of the microwave generators (7) is fixedly arranged at the lower end of the cavity of the reaction kettle (3) and positioned below the sealing baffle plate (6), the other part of the microwave generators (7) is fixedly arranged on the protective cover (8), the output end of the microwave generators is positioned at the lower side of the protective cover (8), and the protective cover (8) is arranged on the reaction kettle (3) through the lifting device;
The lifting device comprises a hydraulic cylinder (9), a push rod (10) and a lifting plate (11), wherein the hydraulic cylinder (9) is fixedly arranged at the upper end of the reaction kettle (3), the push rod (10) is vertically and slidably arranged at the upper part of the reaction kettle (3), the upper end of the push rod (10) is connected with the output end of the hydraulic cylinder (9), the lifting plate (11) is vertically and slidably arranged on the reaction kettle (3), the lifting plate (11) is fixedly arranged at the lower end of the push rod (10), and the protective cover (8) is fixedly arranged at the lower end of the lifting plate (11).
2. The environment-friendly heating device for the phenolic resin reaction kettle according to claim 1, wherein the stirring device comprises a motor (12), a rotating shaft (13) and a plurality of groups of stirring sheets (14), the motor (12) is fixedly arranged on the reaction kettle (3), the rotating shaft (13) is rotatably arranged on the reaction kettle (3), the input end of the rotating shaft (13) is connected with the output end of the motor (12), the plurality of groups of stirring sheets (14) are fixedly arranged on the rotating shaft (13), and the plurality of groups of stirring sheets (14) are positioned in a cavity of the reaction kettle (3).
3. The environment-friendly heating device for the phenolic resin reaction kettle according to claim 1, wherein the power supply device comprises a solar photovoltaic panel (15) and a storage battery pack (16), the storage battery pack (16) is arranged on the reaction kettle (3), two groups of input ends are arranged on the storage battery pack (16), one group of input ends are connected with the solar photovoltaic panel (15), and the output ends of the storage battery pack (16) are connected with a plurality of groups of microwave generators (7).
4. The environment-friendly heating device for the phenolic resin reaction kettle according to claim 1, wherein a thermometer (17) is arranged on the reaction kettle (3).
5. The environment-friendly heating device for the phenolic resin reaction kettle according to claim 1, wherein the reaction kettle (3) is made of metal, and the sealing partition plate (6) is made of glass or ceramic.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202322363349.9U CN221062690U (en) | 2023-08-31 | 2023-08-31 | Environment-friendly heating device for phenolic resin reaction kettle |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202322363349.9U CN221062690U (en) | 2023-08-31 | 2023-08-31 | Environment-friendly heating device for phenolic resin reaction kettle |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN221062690U true CN221062690U (en) | 2024-06-04 |
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ID=91271054
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202322363349.9U Active CN221062690U (en) | 2023-08-31 | 2023-08-31 | Environment-friendly heating device for phenolic resin reaction kettle |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN221062690U (en) |
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2023
- 2023-08-31 CN CN202322363349.9U patent/CN221062690U/en active Active
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