CN217962468U - Thermal decomposition device and thermal decomposition system - Google Patents
Thermal decomposition device and thermal decomposition system Download PDFInfo
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- CN217962468U CN217962468U CN202221908443.7U CN202221908443U CN217962468U CN 217962468 U CN217962468 U CN 217962468U CN 202221908443 U CN202221908443 U CN 202221908443U CN 217962468 U CN217962468 U CN 217962468U
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Abstract
The utility model belongs to the technical field of pyrolysis equipment, concretely relates to thermal decomposition device and thermal decomposition system. The thermal decomposition device comprises a decomposition tank and a circulating pipeline, the circulating pipeline is provided with a heating device, the decomposition tank and the circulating pipeline form a closed loop, and an inlet of the circulating pipeline is lower than an outlet. The utility model discloses material in the intermediate thermal decomposition device is heated in circulating line to mainly accomplish the reaction in the decomposer, the material flow among the accessible circulating line makes the inside heat transfer of material more even and high-efficient. In addition, the density of the materials with higher temperature in the circulating pipeline is lower, the temperature of the materials in the decomposing tank is lower, the density is higher, the self-circulation of the materials in the decomposing tank and the circulating pipeline is realized under the action of gravity without arranging additional power facilities by virtue of the material density difference generated by the temperature gradients of the materials in the circulating pipeline and the decomposing tank, and the energy consumption in production is reduced.
Description
Technical Field
The utility model belongs to the technical field of pyrolysis equipment, concretely relates to thermal decomposition device and thermal decomposition system.
Background
In the chemical production process, materials need to be heated and decomposed to obtain products or raw materials required for carrying out the next-stage production flow reaction. In the prior art, a heating tank or a heating tank is usually arranged to heat and decompose the material. The Chinese invention patent with the application publication number of CN108534349A discloses an electric heating tank, which comprises a tank body, wherein a heat-conducting insulating waterproof layer is coated on the tank body, a plurality of groups of electric heating wires are wound outside the heat-conducting insulating waterproof layer, the electric heating wires heat the tank body, the heat-conducting insulating waterproof layer is continuously coated outside the electric heating wires, a heat-insulating layer is arranged on the outermost part to ensure the heating effect, and the device integrally adopts an electric heating mode to heat materials in the tank body.
Disclosed a accompany hot jar in the chinese utility model patent of grant bulletin number CN213474224U, this accompany hot jar including a jar body, tank bottoms and cover, be provided with the zone of heating on the inner wall of whole accompany hot jar, be equipped with steam coil pipe and electric heat spare in the zone of heating, set up the reflection rete outside the zone of heating, set up the heat preservation outside the reflection rete, outmost be outer tank wall layer, heat the internal material of jar jointly through heating intraformational steam coil pipe and electric heat spare, reflection stratum and heat preservation guarantee that the heat is difficult to transmit to jar external portion, it is effectual to ensure the heating of accompany hot jar.
The heating tank or the heating tank in the prior art is complex in structural design, heat transfer needs to be carried out on materials in the tank body through the tank wall, the materials are heated, the heating mode is characterized in that the materials at the center of the tank body and the materials close to the position of the tank body are heated unevenly easily, the time for heating the materials at the center of the tank body to a required temperature is long, the reaction or decomposition of the materials in the tank or the tank body can be influenced, the energy consumption of the whole heating process is large, the heating efficiency is low, and the whole equipment capacity cannot be effectively guaranteed.
SUMMERY OF THE UTILITY MODEL
An object of the utility model is to provide a thermal decomposition device to solve the material heating efficiency among the prior art low, the inhomogeneous problem of material heating. An object of the utility model is to provide a thermal decomposition system to heating efficiency is low among the solution prior art, and the inhomogeneous problem of material heating.
In order to achieve the above object, the present invention provides a thermal decomposition device, comprising: the thermal decomposition device comprises a decomposition tank and a circulating pipeline, the circulating pipeline is provided with a heating device, the decomposition tank and the circulating pipeline form a closed loop, and an inlet of the circulating pipeline is lower than an outlet.
The beneficial effects are that: the material is heated in the circulating pipeline, the reaction is mainly completed in the decomposing tank, and the heat transfer in the material is more uniform and efficient through the material flowing in the circulating pipeline. In addition, the density of the materials with higher temperature in the circulating pipeline is lower, the temperature of the materials in the decomposing tank is lower, the density is higher, the self-circulation of the materials in the decomposing tank and the circulating pipeline is realized under the action of gravity without arranging additional power facilities by virtue of the material density difference generated by the temperature gradients of the materials in the circulating pipeline and the decomposing tank, and the energy consumption in production is reduced.
Further, the heating device is arranged outside the circulation pipeline or inside the circulation pipeline.
The beneficial effects are that: when the heating device is arranged outside the circulating pipeline, the sectional area of the pipeline can be effectively reduced, and the path for transferring heat from the pipe wall to the center of the material can be effectively shortened; when the heating device is arranged inside the pipeline, the heat source is positioned inside the flowing section of the material, and the path of heat transfer can be shortened, so that the heating efficiency is improved, the material is heated more uniformly, and the reaction in the decomposing tank is facilitated.
Furthermore, a part of the circulating pipeline and the heating device form a heat exchanger, and the heating device is a heating medium channel of the heat exchanger.
The beneficial effects are that: the heat exchanger has the advantages of large heat exchange area and high heat exchange efficiency, and further enables materials to be heated uniformly, and the heating efficiency is improved.
Further, the outlet of the circulation line is located below the working liquid level of the decomposition tank.
The beneficial effects are that: the temperature of the material entering the decomposition tank from the outlet of the circulating pipeline reaches the decomposition temperature, and the generated gas is more favorable for overflowing in the decomposition tank with large volume, so that the decomposition reaction is fully and completely.
Further, the inlet of the circulating pipeline is connected with the bottom of the decomposing tank.
The beneficial effects are that: the inlet of the circulating pipeline is connected to the bottom of the decomposing tank, so that the materials can better flow into the circulating pipeline from the decomposing tank under the action of gravity, and the heating of the materials is realized.
Further, the heating medium inlet of the heat exchanger is positioned at the bottom of the heat exchanger, and the heating medium outlet of the heat exchanger is positioned at the top of the heat exchanger.
The beneficial effects are that: the heating medium and the circulating material are both distributed at the bottom of the heat exchanger, the heating medium at the bottom has no heat loss, the circulating material at the inlet can be better heated, the flowing of the circulating material at the inlet is facilitated, and the self-circulation flowing process of the circulating material is facilitated.
In order to achieve the above object, the present invention provides a thermal decomposition system, comprising:
the thermal decomposition system comprises the thermal decomposition device, and the feeding tank and the collecting device are connected on the thermal decomposition device.
The thermal decomposition device comprises a decomposition tank and a circulating pipeline, the circulating pipeline is provided with a heating device, the decomposition tank and the circulating pipeline form a closed loop, and an inlet of the circulating pipeline is lower than an outlet of the circulating pipeline.
The beneficial effects are that: the material is heated in the circulating pipeline, the reaction is mainly completed in the decomposing tank, and the heat transfer in the material is more uniform and efficient through the material flowing in the circulating pipeline. In addition, the density of the materials with higher temperature in the circulating pipeline is lower, the temperature of the materials in the decomposing tank is lower, and the density of the materials in the decomposing tank is higher, so that the self-circulation of the materials in the decomposing tank and the circulating pipeline can be realized under the action of gravity without arranging additional power facilities by virtue of the density difference of the materials generated by the temperature gradients of the materials in the circulating pipeline and the decomposing tank, and the energy consumption in production is reduced.
Further, the heating device is arranged outside the circulation pipeline or inside the circulation pipeline.
The beneficial effects are that: when the heating device is arranged outside the circulating pipeline, the sectional area of the pipeline can be effectively reduced, and the path of heat transfer from the pipe wall to the material center can be effectively shortened; when the heating device is arranged inside the pipeline, the heat source is positioned inside the flowing section of the material, and the path of heat transfer can be shortened, so that the heating efficiency is improved, the material is heated more uniformly, and the reaction in the decomposing tank is facilitated.
Furthermore, a part of the circulating pipeline and the heating device form a heat exchanger, and the heating device is a heating medium channel of the heat exchanger.
The beneficial effects are that: the heat exchanger has large heat exchange area and high heat exchange efficiency, further enables materials to be heated uniformly, and improves the heating efficiency.
Further, the outlet of the circulation line is located below the operating level of the decomposition tank.
The beneficial effects are that: the temperature of the material entering the decomposition tank from the outlet of the circulation pipeline reaches the decomposition temperature, and the generated gas is more beneficial to overflowing in the decomposition tank with large volume, so that the decomposition reaction is complete and complete.
Further, the inlet of the circulating pipeline is connected with the bottom of the decomposing tank.
The beneficial effects are that: the inlet of the circulating pipeline is connected to the bottom of the decomposing tank, so that the materials can better flow into the circulating pipeline from the decomposing tank under the action of gravity, and the heating of the materials is realized.
Furthermore, the heating medium inlet of the heat exchanger is positioned at the bottom of the heat exchanger, and the heating medium outlet of the heat exchanger is positioned at the top of the heat exchanger.
The beneficial effects are that: the heating medium and the circulating material are both distributed at the bottom of the heat exchanger, and the heating medium at the bottom has no heat loss, so that the circulating material at the inlet can be better heated, the flowing of the circulating material at the inlet is facilitated, and the self-circulation flowing process of the circulating material is facilitated.
Furthermore, a feed tank and a collecting device are connected to a decomposition tank in the thermal decomposition system.
The beneficial effects are that: and the charging tank is used for completing the charging task of the thermal decomposition device, and the collecting device is used for collecting the reacted products or intermediate products.
Furthermore, the feed tank is arranged above the decomposing tank, and a valve is arranged on a pipeline between the decomposing tank and the feed tank.
The beneficial effects are that: the space utilization on the upper part of the decomposing tank improves the space utilization rate of the whole device, does not need to be provided with additional power equipment, enables the material to naturally enter the decomposing tank by means of gravity, and realizes the control of the feeding speed and the on-off of the adjustment by arranging a valve on a pipeline between the decomposing tank and a feeding tank, thereby being convenient for adjusting the liquid level of the material in the decomposing tank and ensuring that the material in the decomposing tank can fully react.
Further, the collecting device comprises a cooler which is communicated with the decomposition tank through a discharge pipe.
The beneficial effects are that: the material after the heating reaction may be cooled.
Further, the collecting device comprises a gas absorption tower which is communicated with the gas outlet pipe decomposition tank.
The beneficial effects are that: collecting gas generated by the reaction in the decomposition tank.
Drawings
FIG. 1 is a structural view of a thermal decomposition system of the present invention;
description of reference numerals: 1. a decomposition tank; 11. a circulation line; 111. a circulating pipeline inlet pipe; 112. a circulation line outlet pipe; 13. a feed inlet; 131. a feed port valve; 14. a discharge pipe; 141 discharge tube valve; 15. an air outlet pipe; 151. an air outlet pipe valve; 2. a heat exchanger; 21. a heating medium inlet; 22. a heating medium outlet; 3. a feed tank; 4. a cooler; 5. a gas absorption tower.
Detailed Description
In order to make the objects, technical solutions and advantages of the present invention more apparent, the present invention will be further described in detail with reference to the accompanying drawings and embodiments. It should be understood that the specific embodiments described herein are for purposes of illustration only and are not intended to limit the invention, i.e., the described embodiments are only some, but not all embodiments of the invention. The components of the embodiments of the present invention generally described and illustrated in the figures herein may be arranged and designed in a wide variety of different configurations.
Thus, the following detailed description of the embodiments of the present invention, presented in the accompanying drawings, is not intended to limit the scope of the invention, as claimed, but is merely representative of selected embodiments of the invention. Based on the embodiment of the present invention, all other embodiments obtained by the person skilled in the art without creative work belong to the protection scope of the present invention.
It is noted that relational terms such as "first" and "second," and the like, may be used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions. Also, terms such as "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus. Without further limitation, elements recited by the phrases "comprising a," 8230, "" etc. are not intended to exclude processes, methods, and the like, in which such elements are included.
In the description of the present invention, unless otherwise explicitly specified or limited, the terms "mounted", "connected" and "connected" as may be used herein are to be construed broadly, e.g., as being fixed or releasably connected or integrally connected; can be mechanically or electrically connected; either directly or indirectly through intervening media, or may be interconnected between two elements. The specific meaning of the above terms in the present invention can be understood by those skilled in the art from the specific situation.
In the description of the present invention, it should be noted that, unless otherwise explicitly specified or limited, the term "provided" may be used in a broad sense, for example, the object provided may be a part of the body, or may be arranged separately from the body and connected to the body, and the connection may be a detachable connection or a non-detachable connection. The specific meaning of the above terms in the present invention can be understood by those skilled in the art from the specific situation.
The present invention will be described in further detail with reference to examples.
The utility model discloses in the embodiment 1 of a pyrolysis system that provides:
the utility model provides a thermal decomposition system includes pyrolysis apparatus, as fig. 1, pyrolysis system is by decomposer 1, heat exchanger 2, charge tank 3, collection device and connect the pipeline between each equipment and constitute, pyrolysis apparatus includes decomposer 1 and circulation pipeline 11, 11 outsides in the circulation pipeline are provided with heating device, in the embodiment, heat exchanger 2 is shell side heat exchanger, heating device is shell side heat exchanger, let in heating medium in heat exchanger 2's the shell side, let in the material that needs to be heated in heat exchanger 2's the shell side, the pipeline that decomposer 1 is connected to heat exchanger 2's shell side and heat exchanger 2 constitutes circulation pipeline 11 jointly, circulation pipeline 11 includes circulation pipeline import pipe 111 promptly, circulation pipeline outlet pipe 112 and heat exchanger 2 tube side, the material of waiting to heat flows in circulation pipeline 11 from decomposer 1 and gets back to decomposer 1 again, form a complete closed loop.
As shown in figure 1, a feed inlet 13 is arranged at the top of the decomposing tank 1 close to the side wall and connected with the feed tank 3, the feed tank 3 is filled with materials to be heated and reacted, the feed tank 3 is arranged above the decomposing tank 1, and a feed inlet valve 131 is arranged on the feed inlet 13 to control the on-off and speed of feeding. When the feed port valve 131 is opened, the material can be introduced into the decomposition tank by gravity.
As shown in fig. 1, the collecting device comprises a cooler 4 and a gas absorption tower 5, a discharge pipe 14 is arranged at the lower part of the side wall of the decomposition tank 1 and connected with the cooler 4, the position where the cooler 4 is connected with the discharge pipe 14 is in the middle of the top of the cooler 4, the cooler 4 is arranged below the decomposition tank 1, a discharge valve 141 is arranged on the discharge pipe 14, after the reaction of the material in the decomposition tank 1 is completed, the discharge pipe valve 141 is opened, and under the action of gravity, the material can enter the cooler 4 without arranging other power equipment, so as to realize the cooling of the decomposed product.
As shown in fig. 1, the gas absorption tower 5 is disposed above the decomposition tank 1 and is communicated with the decomposition tank 1 through a gas outlet pipe 15, the gas outlet pipe 15 is disposed at a position close to the side wall of the top of the decomposition tank 1 and opposite to the charging opening 13, and is connected with the gas absorption tower 5, and the gas outlet pipe 15 is further provided with a gas outlet pipe valve 151 for controlling the on-off of gas entering the gas absorption tower 5. In this embodiment, the gas generated after the reaction of the materials in the decomposition tank 1 can float up naturally, and the gas generated by the reaction can enter the gas absorption tower 5 through the gas outlet pipe 15 without arranging other power equipment, in this embodiment, the gas generated by the reaction of the materials is absorbed by the spray absorption liquid in the gas absorption tower 5.
As shown in fig. 1, a circulation line inlet pipe 111 and a circulation line outlet pipe 112 are connected between the decomposition tank 1 and the heat exchanger 2, the circulation line inlet pipe 111 is connected to the bottom of the decomposition tank 1 and connected to the bottom of the heat exchanger 2, and the position of the interface between the circulation line inlet pipe 111 and the decomposition tank 1 is higher than the position of the interface between the circulation line inlet pipe 111 and the heat exchanger 2. The circulating pipeline outlet pipe 112 is connected to the upper part of the heat exchanger 2 and the middle part of the decomposition tank 1, and the height of the interface of the circulating pipeline outlet pipe 112 at one end of the heat exchanger 2 is consistent with that of the two interfaces at one end of the decomposition tank 1. The heat exchanger 2 is provided with a heating medium inlet 21 at the lower part and a heating medium outlet 22 at the upper part, and in the embodiment, the heating medium in the heat exchanger 2 is hot oil. The positions of the decomposing tank 1, the heat exchanger 2, the charging tank 3, the cooler 4 and the gas absorption tower 5 in the whole thermal decomposition system are arranged, so that the devices in the whole thermal decomposition system are compactly arranged, the pipes are conveniently distributed, the length of pipelines is conveniently reduced, and the construction cost of the pipelines is reduced.
The thermal decomposition device in this embodiment is at specific during operation, the material that waits to heat enters into heat exchanger 2 from decomposer 1 bottom through circulation pipeline import pipe 111, the material that gets into in heat exchanger 2 is heated to suitable temperature by hot oil and is begun to react, produce gas, simultaneously because the temperature risees and the density reduces to get back to decomposer 1 through circulation material outlet pipe 112 after the come-up, the higher material of temperature keeps reacting the gas that produces and gets into gas absorption tower 5 this moment, the material takes place the back of reacting in decomposer 1, can cool down gradually, the density grow, continue to flow to in heat exchanger 2 under the action of gravity. The density of the material with higher temperature is relatively lower, the density of the material after heating is always smaller than that of the material in the decomposing tank 1, the density difference of the material is brought by the temperature gradient, and the material can continuously flow in the decomposing tank 1 and the circulating pipeline 11 by combining the action of gravity, so that the self-circulation of the material is realized. The uniform heating of the materials is completed and the smooth proceeding of the reaction in the decomposing tank 1 is ensured.
The utility model discloses in the embodiment 2 of a pyrolysis system that provides:
the difference from the specific embodiment 1 is that the heating device in this embodiment is an electric heating wire, and the electric heating wire is wound on the outer surface of the circulating pipeline 11 to heat the materials in the pipeline.
The utility model provides an embodiment 3 of a thermal decomposition system:
the difference from the specific embodiment 1 is that in this embodiment, the material to be heated is introduced into the shell side of the heat exchanger 2, the heating medium is introduced into the tube side of the heat exchanger 2, the circulation pipeline 11 is composed of the shell side of the heat exchanger 2, a circulation pipeline inlet pipe 111 and a circulation pipeline outlet pipe 112, and the tube side of the heat exchanger 2 is a heating device, and at this time, for the material to be heated, a heating heat source is arranged in the middle of the shell side of the heat exchanger 2, so that the heating efficiency can be improved as well, and the material can be heated more uniformly.
The utility model provides an embodiment 4 of a thermal decomposition system:
the difference from the specific embodiment 1 is that the heat exchanger 2 in this embodiment is a double-pipe heat exchanger, a heating medium is introduced into an inner pipe of the double-pipe heat exchanger, and a material to be heated is introduced into an outer pipe of the double-pipe heat exchanger.
The utility model provides an embodiment 5 of a thermal decomposition system:
the difference from the specific embodiment 1 is that the connection position of the decomposition tank 1 and the circulation pipeline outlet pipe 112 in the embodiment is above the working liquid level of the decomposition tank 1, and the material entering the decomposition tank 1 from the circulation pipeline outlet pipe 112 has higher temperature and lower density, and can float on the material with higher density for reaction.
The utility model provides an embodiment 6 of a thermal decomposition system:
the difference from the embodiment 1 is that the inlet pipe 111 of the circulation line of the heat exchanger 2 in this embodiment is connected to the bottom position of the side wall of the decomposition tank 1.
The utility model discloses in the embodiment 7 of a pyrolysis system that provides:
the difference from the specific embodiment 1 is that in this embodiment, the heating medium inlet 21 and the heating medium outlet 22 of the heat exchanger 2 are both located at the bottom of the heat exchanger 2, so that the heating medium introduced into the heat exchanger 2 can be evacuated during cleaning or maintenance.
The utility model discloses in the embodiment 8 of a pyrolysis system that provides:
the difference from the specific embodiment 1 is that in this embodiment, the heating medium is steam, and the material in the tube pass of the heat exchanger 2 is heated by a high-temperature steam stripping heat supply source.
The utility model provides an embodiment 9 of a pyrolysis system:
the difference from the embodiment 1 is that the feed tank 3 is a melting tank in this embodiment, and a molten material is fed into the decomposition tank 1.
Embodiment 10 of a thermal decomposition system provided in the present invention:
the difference from the embodiment 1 is that the charging port 13 is not provided with the charging port valve 131 in this embodiment, and the amount of the material fed into the decomposition tank 1 is determined by the amount of the material fed into the charging tank 3.
The utility model discloses in the embodiment 11 of a pyrolysis system that provides:
the difference from the embodiment 1 is that the cooler 4 is not provided in the embodiment, and the reacted materials are directly conveyed to a subsequent storage tank or other container through a pipeline.
Embodiment 12 of a pyrolysis system provided in the present invention:
the difference from embodiment 1 is that the gas absorption tower 5 is not provided in this embodiment, and no gaseous substance is generated in the reaction in the decomposition tank 1.
The embodiment of the thermal decomposition device according to the present invention, that is, the thermal decomposition device described in any one of embodiments 1 to 12 of the thermal decomposition system according to the above embodiments of the present invention, is not specifically described herein.
Finally, it should be noted that the above mentioned embodiments are only preferred embodiments of the present invention, and not intended to limit the present invention, and although the present invention has been described in detail with reference to the foregoing embodiments, it will be apparent to those skilled in the art that the technical solutions described in the foregoing embodiments may be modified without inventive effort, or some technical features may be substituted equally. Any modification, equivalent replacement, or improvement made within the spirit and principle of the present invention should be included in the protection scope of the present invention.
Claims (10)
1. A thermal decomposition device characterized by: the thermal decomposition device comprises a decomposition tank (1) and a circulating pipeline (11), wherein the circulating pipeline (11) is provided with a heating device, the decomposition tank (1) and the circulating pipeline (11) are connected to form a closed loop, and an inlet of the circulating pipeline (11) is lower than an outlet.
2. The thermal decomposition device according to claim 1, wherein: the heating device is arranged outside the circulating pipeline (11) or inside the circulating pipeline (11).
3. The thermal decomposition device according to claim 2, wherein: a part of the circulating pipeline (11) and the heating device form a heat exchanger (2), and the heating device is a heating medium channel of the heat exchanger (2).
4. The thermal decomposition device according to claim 3, wherein: the outlet of the circulation pipeline (11) is positioned below the working liquid level of the decomposition tank (1).
5. The thermal decomposition device according to claim 4, wherein: the inlet of the circulating pipeline (11) is connected to the bottom of the decomposing tank (1).
6. The thermal decomposition device according to claim 5, wherein: and a heating medium inlet (21) of the heat exchanger (2) is positioned at the bottom of the heat exchanger (2), and a heating medium outlet (22) of the heat exchanger (2) is positioned at the top of the heat exchanger (2).
7. A thermal decomposition system, comprising: the thermal decomposition system comprises a thermal decomposition device of claims 1-6; a feed tank (3) and a collecting device are connected to a decomposition tank (1) in the thermal decomposition system.
8. The thermal decomposition system of claim 7, wherein: the feed tank (3) is arranged above the decomposing tank (1), and a valve is arranged on a pipeline between the decomposing tank (1) and the feed tank (3).
9. The thermal decomposition system of claim 8, wherein: the collecting device comprises a cooler (4), and the cooler (4) is communicated with the decomposing tank (1) through a discharge pipe (14).
10. The thermal decomposition system of claim 9, wherein: the collecting device comprises a gas absorption tower (5), and the gas absorption tower (5) is communicated with the decomposition tank (1) through a gas outlet pipe (15).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202221908443.7U CN217962468U (en) | 2022-07-21 | 2022-07-21 | Thermal decomposition device and thermal decomposition system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202221908443.7U CN217962468U (en) | 2022-07-21 | 2022-07-21 | Thermal decomposition device and thermal decomposition system |
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| Publication Number | Publication Date |
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| CN217962468U true CN217962468U (en) | 2022-12-06 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN202221908443.7U Active CN217962468U (en) | 2022-07-21 | 2022-07-21 | Thermal decomposition device and thermal decomposition system |
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| CN (1) | CN217962468U (en) |
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2022
- 2022-07-21 CN CN202221908443.7U patent/CN217962468U/en active Active
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