Glass fiber reinforced plastic recycling device

By designing a FRP recycling and processing device with a high-temperature decomposition furnace and a fiber separator, volatile gases are rationally utilized, the problem of excessive fuel use is solved, the efficient decomposition of FRP and the effective utilization of resources are achieved, and the effect of energy conservation and emission reduction is achieved.

CN223395567UActive Publication Date: 2025-09-30WUHAN LIWEI ENG TECH CO LTD
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Patent Information

Application Number
CN202422646515.0
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2024-10-30
Publication Date
2025-09-30
Estimated Expiration
2034-10-30

AI Technical Summary

Technical Problem

In the prior art, FRP recycling and processing devices fail to reasonably utilize volatile organic gases during the incineration and decomposition of waste FRP, resulting in excessive use of fuel and affecting resource utilization efficiency and the environment.

Method used

A FRP recycling and processing device is designed, including a high-temperature decomposition furnace, a combustion zone, a decomposition zone, a fiber separator and an exhaust gas pipeline. The volatile gas is reused through a return fan. Combined with the jet flame and ignition components in the combustion zone, the fuel is reasonably supplied and controlled, the fiber material and the gas are separated, and the effectiveness of the gas treatment is ensured.

Benefits of technology

It achieves efficient decomposition of FRP and effective utilization of resources, reduces fuel consumption, achieves energy conservation and emission reduction effects, and improves economic benefits.

✦ Generated by Eureka AI based on patent content.

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Abstract

The utility model relates to a glass fiber reinforced plastic recycling device which comprises a high-temperature decomposition furnace, a heat exchanger and a heat exchanger. The combustion area is connected with an oxygen pipeline, and a backflow fan is arranged on the oxygen pipeline; the decomposition area is connected with a fiber separator through a pipeline, the fiber separator is communicated with a waste gas pipeline, the waste gas pipeline is communicated with a smoke exhaust pipeline, and a first control valve is arranged on the smoke exhaust pipeline; the backflow pipeline is communicated with the waste gas pipeline and the oxygen pipeline, and a second control valve is arranged on the backflow pipeline; a third control valve is arranged at the front end of the junction of the oxygen pipeline and the backflow pipeline. The waste gas pipeline is used for connecting gas separated by the fiber separator to a subsequent treatment unit, and can control the discharge amount of waste gas and the ventilation amount of the high-temperature decomposition furnace according to an actual application scene under the control of each control valve; according to the structural design of the device, the overall economic benefit is improved, and the purposes of energy conservation, emission reduction and effective utilization of resources are achieved.
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Description

Technical Field

[0001] The present application relates to the technical field of glass fiber reinforced plastic decomposition and processing, and in particular to a glass fiber reinforced plastic recycling and processing device. Background Art

[0002] The main material of a large number of FRP containers or wind power FRP sheets is FRP. When this composite material is processed after use, the recycling technology is difficult and the cost is high. There is currently no ideal large-scale recycling method.

[0003] Currently, incineration and landfill are the primary methods for disposing of waste FRP, but these methods have significant environmental impacts. The comprehensive utilization of composite materials is still in the pilot phase. With the rapid development of the new materials industry, the use of FRP is expected to expand significantly. Scaled utilization of FRP while ensuring environmental compliance is key to achieving sustainable green development for businesses. There is an urgent need to design a device that fully utilizes FRP waste gas, supplementing it with a small amount of fuel, to achieve energy conservation, emission reduction, and efficient resource utilization. Summary of the Invention

[0004] The embodiment of the present application provides a FRP recycling and processing device to solve the problem in the related art that the FRP recycling and processing device fails to reasonably utilize the volatile organic gas and excessively uses fuel during the process of incinerating and decomposing waste FRP.

[0005] Provided is a glass fiber reinforced plastic recycling and processing device, which includes: a high-temperature decomposition furnace, which is provided with a combustion zone and a decomposition zone; the combustion zone is connected to an oxygen pipeline, and the oxygen pipeline is provided with a return fan; the decomposition zone is connected to a fiber separator through a pipeline, the fiber separator is connected to an exhaust gas pipeline, the exhaust gas pipeline is connected to a smoke exhaust pipeline, and the smoke exhaust pipeline is provided with a first control valve; a return pipeline is connected to the exhaust gas pipeline and the oxygen pipeline, and is provided with a second control valve; and a third control valve is provided at the front end of the intersection of the oxygen pipeline and the return pipeline.

[0006] In some embodiments, the combustion zone is provided with a combustion burner and an ignition burner, and the combustion burner and the ignition burner are respectively connected to a first fuel pipeline and a second fuel pipeline; the first fuel pipeline is in communication with the oxygen pipeline.

[0007] In some embodiments, a first supply device and a second supply device are further included; the first supply device is connected to the first fuel pipeline to pass the first fuel into the pyrolysis furnace; the second supply device is connected to the second fuel pipeline to pass the second fuel into the pyrolysis furnace.

[0008] In some embodiments, the first fuel is coal gas; the second fuel is liquefied gas.

[0009] In some embodiments, the decomposition zone is connected to a glass fiber reinforced plastic cutting device via a feeding port, and the glass fiber reinforced plastic cutting device is used to cut the glass fiber reinforced plastic and feed it into the high-temperature decomposition furnace.

[0010] In some embodiments, the minimum length of the FRP cut by the FRP cutting device is L1, and the maximum length is L2.

[0011] In some embodiments, the decomposition zone is provided with a gas-solid separator for separating the fiberglass reinforced plastic fed from the feeding port and the volatile gas generated by its combustion.

[0012] In some embodiments, the combustion zone is further provided with a residue filter plate, which divides the combustion zone into an injection zone located above and a slag discharge zone located below; the combustion burner and the ignition burner are provided in the injection zone.

[0013] In some embodiments, a pre-combustion chamber is provided in the injection zone; the combustion burner and the ignition burner are provided in the pre-combustion chamber.

[0014] In some embodiments, the fiber separator is connected to a fiber collector; and the slag discharge area is connected to a waste slag collector.

[0015] The beneficial effects of the technical solution provided by this application include:

[0016] The embodiment of the present application provides a FRP recycling and processing device, wherein a high-temperature decomposition furnace is the first scenario for FRP recycling and processing. The high-temperature decomposition furnace is used to perform high-temperature pyrolysis on waste FRP in order to convert the material into recyclable components. The high temperature conditions in the furnace effectively decompose the FRP and its organic components, and after volatilization, the gas is passed through a pipeline to a fiber separator. Finally, the gas filtered by the fiber separator undergoes a series of treatments and is finally passed into the exhaust gas pipeline, rationally replacing a certain amount of fuel and reducing energy consumption and emissions. Specifically, a jet component is provided in the combustion zone to continuously spray flames, providing a high-temperature environment for the high-temperature decomposition furnace. An ignition component is also provided to ignite the initial fuel. The pipelines are connected separately to realize fuel supply and control. The fiber separator is connected to the high-temperature decomposition furnace and is responsible for separating the fiber material and gas released during the incineration process, ensuring the effectiveness of gas treatment and fiber recovery. The waste gas pipeline connects the gas separated by the fiber separator to the subsequent processing unit. A part of the waste gas is sent to the smoke exhaust pipeline for discharge, and intersects with the oxygen pipeline through the return fan. Under the action of the return fan, it returns to the high-temperature decomposition furnace to be utilized, making the combustion more complete. The structural design of this device improves the overall economic benefits, achieves the purpose of energy conservation and emission reduction, and effective utilization of resources, and solves the problem of unreasonable utilization of volatile organic gases and excessive use of fuel in the process of incineration and decomposition of waste fiberglass in the related technology. BRIEF DESCRIPTION OF THE DRAWINGS

[0017] In order to more clearly illustrate the technical solutions in the embodiments of the present application, the following briefly introduces the drawings required for use in the description of the embodiments. Obviously, the drawings described below are only some embodiments of the present application. For ordinary technicians in this field, other drawings can be obtained based on these drawings without any creative work.

[0018] Figure 1 This is a schematic diagram of the fiberglass recycling and processing device system provided in an embodiment of the present application.

[0019] In the figure: 1. Reflux fan; 2. High-temperature decomposition furnace; 21. Combustion zone; 22. Decomposition zone; 23. Feed port; 3. Oxygen pipeline; 31. Third control valve; 4. Fiber separator; 41. Fiber collector; 5. Waste gas pipeline; 6. Smoke exhaust pipeline; 61. First control valve; 7. Reflux pipeline; 71. Second control valve; 8. Combustion burner; 81. First fuel pipeline; 82. First supply device; 9. Ignition burner; 91. Second fuel pipeline; 92. Second supply device; 10. FRP cutting device; 11. Gas-solid separator; 12. Filter plate; 13. Pre-combustion chamber; 14. Waste residue collector. DETAILED DESCRIPTION

[0020] To make the purpose, technical solutions, and advantages of the embodiments of this application more clear, the technical solutions in the embodiments of this application will be clearly and completely described below in conjunction with the drawings in the embodiments of this application. Obviously, the described embodiments are part of the embodiments of this application, not all of the embodiments. Based on the embodiments in this application, all other embodiments obtained by ordinary technicians in this field without making creative efforts are within the scope of protection of this application.

[0021] The embodiment of the present application provides a FRP recycling and processing device, which can solve the problem in the related art that the FRP recycling and processing device fails to reasonably utilize its volatile organic gas and excessively uses fuel during the process of incinerating and decomposing waste FRP.

[0022] In the process of incineration and decomposition of waste FRP by FRP recycling and processing equipment, the problem of failure to reasonably utilize volatile organic gases has led to excessive use of fuel, affected the efficient utilization of resources, and caused negative impacts on the environment; in the incineration process, certain volatile organic gases in the waste FRP can be effectively collected and utilized; on the one hand, a large part of the separated volatile gases are burned again without forming tar, and the produced fibers can be directly used as building materials and daily products as skeletons; on the other hand, certain organic gases are returned to the gas burner for combustion, achieving energy conservation and emission reduction, and effective utilization of resources; a FRP recycling and processing equipment is designed to provide a high-temperature combustion environment, so that the FRP can be fully burned and volatilized, and the volatile gases are transferred to the separator through a pipeline. On the one hand, the separated fibers are collected, and on the other hand, the remaining gases are passed through another pipeline and subjected to smoke exhaust and circulating combustion treatment, and then introduced into the high-temperature combustion environment as fuel supplement; thereby solving the problem of unreasonable utilization of volatile organic gases and excessive use of fuel in the process of incineration and decomposition of waste FRP in the FRP recycling and processing equipment in the related technology.

[0023] refer to Figure 1 A glass fiber reinforced plastic recycling and processing device includes: a high-temperature decomposition furnace 2, which is provided with a combustion zone 21 and a decomposition zone 22; the combustion zone 21 is connected to an oxygen pipeline 3, and the oxygen pipeline 3 is provided with a return fan 1; the decomposition zone 22 is connected to a fiber separator 4 through a pipeline, and the fiber separator 4 is connected to an exhaust gas pipeline 5, and the exhaust gas pipeline 5 is connected to a smoke exhaust pipeline 6, and the smoke exhaust pipeline 6 is provided with a first control valve 61; a return pipeline 7, which connects the exhaust gas pipeline 5 and the oxygen pipeline 3, and is provided with a second control valve 71; a third control valve 31 is provided at the front end of the intersection of the oxygen pipeline 3 and the return pipeline 7.

[0024] Through this structural design, the high-temperature decomposition furnace 2 is the first scene of FRP recycling and treatment. The high-temperature decomposition furnace 2 is used to perform high-temperature pyrolysis on waste FRP in order to convert the material into recyclable components. The high temperature conditions in the furnace effectively decompose the FRP and its organic components, and after volatilization, they are passed through the pipeline to the fiber separator 4. Finally, the gas filtered by the fiber separator 4 undergoes a series of treatments and finally passes into the exhaust gas pipeline 5, rationally replacing a certain amount of fuel and saving energy and reducing emissions. Specifically, the combustion zone 21 is equipped with a jet component that continuously sprays flames to provide a high-temperature environment for the high-temperature decomposition furnace; an ignition component is also provided to ignite the initial fuel; and pipelines are connected separately to realize fuel supply and control; the fiber separator 4 is connected to the high-temperature decomposition furnace 2 and is responsible for separating the fiber material and gas released during the incineration process to ensure the effectiveness of gas treatment and fiber recovery. The waste gas pipeline 5 connects the gas separated by the fiber separator 4 to the subsequent processing unit, and a part of the waste gas is sent to the smoke exhaust pipeline 6 for discharge, and intersects with the oxygen pipeline 3 through the return fan 1. Under the action of the return fan, it returns to the high-temperature decomposition furnace 2 to be utilized again, making the combustion more complete; the structural design of this device improves the overall economic benefits, achieves the purpose of energy conservation and emission reduction, and effective utilization of resources, and solves the problem of unreasonable utilization of volatile organic gases and excessive use of fuel in the process of incineration and decomposition of waste fiberglass in the related technology of fiberglass recycling and processing devices.

[0025] In some preferred embodiments, the combustion zone 21 is provided with a combustion burner 8 and an ignition burner 9 , which are respectively connected to a first fuel pipeline 81 and a second fuel pipeline 91 ; the first fuel pipeline 81 is connected to the oxygen pipeline 3 .

[0026] Through this structural setting, the combustion burner 8 continuously sprays flames to provide a high-temperature environment for the high-temperature decomposition furnace; the ignition burner 9 is responsible for igniting the initial fuel; the first fuel pipeline 81 and the second fuel pipeline 91 realize the supply and control of the fuel, intersect with the oxygen pipeline 3, and under the action of the return fan 1, return to the high-temperature decomposition furnace 2 to be utilized again, making the combustion more complete.

[0027] In some preferred embodiments, a first supply device 82 and a second supply device 92 are further included; the first supply device 82 is connected to the first fuel pipeline 81 to pass the first fuel into the pyrolysis furnace 2; the second supply device 92 is connected to the second fuel pipeline 91 to pass the second fuel into the pyrolysis furnace 2.

[0028] With this structural design, the primary function of the first supply device 82 is to introduce the first fuel into the first fuel pipeline 81. This supply device must be capable of regulating flow and pressure to accommodate varying operational requirements. It includes a flow meter, a regulating valve, and a pressure sensor, enabling real-time monitoring and regulation of the first fuel's inflow. The first supply device 82 is connected to the combustion burner 8 via a pipeline, ensuring stable flow; the second supply device 92 is connected to the ignition burner 9 via a pipeline, also ensuring stable flow. The effective integration of the first and second fuel supply devices with the pipeline system ensures a stable and efficient supply of the required fuels during the pyrolysis or combustion process.

[0029] In some preferred embodiments, the first fuel is coal gas; the second fuel is liquefied gas.

[0030] In this embodiment, the first fuel and the second fuel are clearly specified. The first fuel is coal gas, which is the main fuel in the combustion process, and the second fuel is liquefied gas, which assists in ignition when the device needs to be operated.

[0031] In some preferred embodiments, the decomposition zone 22 is connected to a glass fiber reinforced plastic cutting device 10 via a feeding port 23 . The glass fiber reinforced plastic cutting device 10 is used to cut the glass fiber reinforced plastic and feed it into the high-temperature decomposition furnace 2 .

[0032] Through this structural arrangement and design, the design of the pyrolysis furnace 2 combines multiple functional zones to achieve efficient material processing and energy conversion. The decomposition zone 22 is connected to a fiberglass cutting device 10 through a feed system equipped with a feed port 23, which can cut the fiberglass into small sizes, thereby facilitating the subsequent pyrolysis efficiency. The feed port 23 receives the processed fiberglass material into the pyrolysis furnace, thereby initiating the pyrolysis reaction. The fiber separator 4 is connected to the decomposition zone 22 via a pipeline and is used to separate the generated fibers. Through separation technology, efficient material recovery is ensured, and it is connected to a fiber collector 41 for collecting the separated fibers for subsequent processing and utilization.

[0033] In some preferred embodiments, the minimum length of the FRP cut by the FRP cutting device 10 is L1, and the maximum length is L2.

[0034] In this design structure, the FRP cutting device 10 is designed to efficiently and accurately cut FRP materials for their subsequent pyrolysis treatment. The device can adjust the cutting length according to the needs of the user to ensure that the FRP after cutting meets the operating requirements of the decomposition zone 23. Among them, L1 is 0.2m and L2 is 0.3m. The length after cutting directly affects the heat conduction efficiency during the pyrolysis process. The appropriate cutting length can ensure that the material is evenly heated in the pyrolysis separation zone and promote efficient decomposition. Excessively long cutting lengths may make it difficult to fully burn, resulting in incomplete combustion volatilization. Cutting materials of different lengths will also affect the efficiency of subsequent processing steps. By setting a reasonable cutting length range, the FRP cutting device 10 provides a basis for improving the efficiency of the pyrolysis process and maximizing the utilization of resources during the raw material preparation stage.

[0035] In some preferred embodiments, the decomposition zone 22 is provided with a gas-solid separator 11 for separating the glass fiber reinforced plastic fed from the feeding port 23 and the volatile gas generated by its combustion.

[0036] In this embodiment, the decomposition zone 22 is equipped with a gas-solid separator 11, whose main function is to effectively separate the fiberglass reinforced plastic material fed into the feeding port 23 and the volatile gases generated during its combustion. The setting of the gas-solid separator 11 greatly enhances the resource separation efficiency during the pyrolysis process and helps to optimize the subsequent gas combustion process.

[0037] In some preferred embodiments, the combustion zone 21 is further provided with a residue filter plate 12, which separates the combustion zone 21 into an injection zone located above and a slag discharge zone located below; the combustion burner 8 and the ignition burner 9 are provided in the injection zone.

[0038] Through this structural design, the pyrolysis furnace 2 improves the combustion zone 21 by adding a slag filter plate 12. The slag filter plate 12 divides the combustion zone 21 into two areas: an upper injection zone and a lower slag discharge zone. The slag filter plate 12 is designed to receive unburned fiberglass reinforced plastics. Its location at the combustion port helps the fiberglass reinforced plastics reach the high temperature environment and burn fully. It also ensures that solid waste is effectively separated from the combustion zone for subsequent processing.

[0039] In some preferred embodiments, a pre-combustion chamber 13 is provided in the injection zone; the combustion burner 8 and the ignition burner 9 are provided in the pre-combustion chamber 13 .

[0040] Through this structural design, the high-temperature decomposition furnace 2 improves the combustion zone 21 and adds a pre-combustion chamber 13. The pre-combustion chamber 13 is arranged in the combustion zone to provide space for setting the combustion burner 21 and the ignition burner 22, and can better provide a high-temperature environment for the fiberglass that is not fully burned on the filter plate 12.

[0041] In some preferred embodiments, the fiber separator 4 is connected to a fiber collector 41 ; and the slag discharge area is connected to a waste slag collector 14 .

[0042] This structural design improves the combustion zone 21 of the pyrolysis furnace 2 and incorporates a collection and addition device into the fiber separator 4. The waste residue generated during the combustion process flows through the filter plate 12 and sinks to the slag discharge zone, where it is collected by the waste collector 14, effectively managing the solid waste. The fiber separator 4 utilizes separation technology to ensure efficient material recovery. It is connected to a fiber collector 41, which collects the separated fibers for subsequent processing and utilization.

[0043] It should be noted that the device of the present application is used for the resource utilization of solid waste, and is characterized in that the new type of FRP fiber recycling and resource utilization device adopts a thermal recovery method. The energy for decomposing FRP is taken from gas and FRP volatile resin. The high-temperature flue gas generated by the combustion of gas volatilizes the FRP resin, thereby achieving the separation of fiber and resin. The volatile resin gas is sucked back to the gas burner by the return fan for combustion. The fiber is separated by the device and left as a product. A large part of the material is burned again using the separated volatile gas, and tar is not formed. The resulting fiber can be directly used as a building material or as a skeleton for daily products.

[0044] The entire high-temperature decomposition process is divided into three sections. The heat generation section is the first section, which is at the bottom. Heat is generated by the high-temperature flue gas generated by the combustion of the burner 8; the FRP decomposition section is the second section. After the FRP falls freely from the top, the high-temperature flue gas decomposes the FRP, and the incomplete decomposition products fall on the filter plate 12. Since the temperature of this section is the highest section of the furnace body temperature and is close to the flame temperature, the FRP decomposes again; the FRP falling on the filter plate 12 is separated into fibers and volatile gases, and enters the third section under the negative pressure of the furnace body. After passing through the gas-solid separator 11, the fibers and volatile gases enter the fiber separator 4.

[0045] The beneficial effects brought by the utility model include:

[0046] The pyrolysis furnace 2 is the first scene of FRP recycling and processing. It is used to perform high-temperature pyrolysis on waste FRP, with the goal of converting the material into recyclable components. The high temperature conditions in the furnace effectively decompose the FRP and its organic components. After volatilization, the gases are passed through a pipeline to the fiber separator 4. Finally, the gas filtered by the fiber separator 4 undergoes a series of treatments and is finally passed into the exhaust gas pipeline 5, rationally replacing a certain amount of fuel and reducing energy consumption and emissions. Specifically, the combustion zone 21 is equipped with a jet component that continuously sprays flames to provide a high-temperature environment for the pyrolysis furnace. It is also equipped with an ignition component that is responsible for igniting the initial fuel. The pipelines are connected separately to realize fuel supply and control. The fiber separator 4 is connected to the pyrolysis furnace 2 and is responsible for separating the fiber material and gas released during the incineration process, ensuring the effectiveness of gas treatment and fiber recovery. The waste gas pipeline 5 connects the gas separated by the fiber separator 4 to the subsequent processing unit, and a part of the waste gas is sent to the smoke exhaust pipeline 6 for discharge, and intersects with the oxygen pipeline 3 through the return fan 1. Under the action of the return fan, it returns to the high-temperature decomposition furnace 2 to be utilized again, making the combustion more complete; the structural design of this device improves the overall economic benefits, achieves the purpose of energy conservation and emission reduction, and effective utilization of resources, and solves the problem of unreasonable utilization of volatile organic gases and excessive use of fuel in the process of incineration and decomposition of waste fiberglass in the related technology of fiberglass recycling and processing devices.

[0047] In the description of this application, it should be noted that the terms "upper" and "lower" and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the accompanying drawings, and are only for the convenience of describing this application and simplifying the description, and do not indicate or imply that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and therefore cannot be understood as a limitation on this application. Unless otherwise clearly specified and limited, the terms "installed", "connected", and "connected" should be understood in a broad sense, for example, it can be a fixed connection, a detachable connection, or an integral connection; it can be a mechanical connection or an electrical connection; it can be a direct connection, or an indirect connection through an intermediate medium, or it can be internal communication between two elements. For those of ordinary skill in the art, the specific meanings of the above terms in this application can be understood according to the specific circumstances.

[0048] It should be noted that, in this application, relational terms such as "first" and "second" are used only to distinguish one entity or operation from another entity or operation, and do not necessarily require or imply any actual relationship or order between these entities or operations. Moreover, the terms "include", "comprise" or any other variants thereof are intended to cover non-exclusive inclusion, so that a process, method, article or device comprising a series of elements includes not only those elements, but also other elements not explicitly listed, or also includes elements inherent to such process, method, article or device. In the absence of further restrictions, an element defined by the sentence "comprising a ..." does not exclude the presence of other identical elements in the process, method, article or device comprising the element.

[0049] The foregoing is merely a list of specific embodiments of the present application, intended to enable those skilled in the art to understand or implement the present application. Various modifications to these embodiments will be readily apparent to those skilled in the art, and the general principles defined herein may be implemented in other embodiments without departing from the spirit or scope of the present application. Therefore, the present application is not limited to the embodiments shown herein, but is intended to conform to the broadest scope consistent with the principles and novel features of the present application.

Claims

1. A glass fiber reinforced plastic recycling and processing device, characterized in that: It includes: A high-temperature decomposition furnace (2) is provided with a combustion zone (21) and a decomposition zone (22); the combustion zone (21) is connected to an oxygen pipeline (3), and a return fan (1) is provided on the oxygen pipeline (3); the decomposition zone (22) is connected to a fiber separator (4) through a pipeline, the fiber separator (4) is connected to an exhaust gas pipeline (5), the exhaust gas pipeline (5) is connected to a smoke exhaust pipeline (6), and the smoke exhaust pipeline (6) is provided with a first control valve (61); A return line (7) is connected to the exhaust line (5) and the oxygen line (3), and is provided with a second control valve (71); a third control valve (31) is provided at the front end of the intersection of the oxygen line (3) and the return line (7).

2. The glass fiber reinforced plastic recycling and processing device according to claim 1, characterized in that: The combustion zone (21) is provided with a combustion burner (8) and an ignition burner (9), and the combustion burner (8) and the ignition burner (9) are respectively connected to a first fuel pipeline (81) and a second fuel pipeline (91); The first fuel pipeline (81) is in communication with the oxygen pipeline (3).

3. The glass fiber reinforced plastic recycling and processing device according to claim 2, characterized in that: Also included is a first supply device (82) and a second supply device (92); The first supply device (82) is connected to the first fuel pipeline (81) to pass the first fuel into the pyrolysis furnace (2); The second supply device (92) is connected to the second fuel pipeline (91) to pass the second fuel into the high-temperature decomposition furnace (2).

4. The glass fiber reinforced plastic recycling and processing device according to claim 3, characterized in that: The first fuel is coal gas; The second fuel is liquefied gas.

5. The glass fiber reinforced plastic recycling and processing device according to claim 1, characterized in that: The decomposition zone (22) is connected to a glass fiber reinforced plastic cutting device (10) via a feeding port (23). The glass fiber reinforced plastic cutting device (10) is used to cut the glass fiber reinforced plastic and feed it into the high-temperature decomposition furnace (2).

6. The glass fiber reinforced plastic recycling and processing device according to claim 5, characterized in that: The minimum length of the glass fiber reinforced plastic cut by the glass fiber reinforced plastic cutting device (10) is L1, and the maximum length is L2.

7. The glass fiber reinforced plastic recycling and processing device according to claim 5, characterized in that: The decomposition zone (22) is provided with a gas-solid separator (11) for separating the glass fiber reinforced plastic fed from the feeding port (23) and the volatile gas generated by its combustion.

8. The glass fiber reinforced plastic recycling and processing device according to claim 2, characterized in that: The combustion zone (21) is further provided with a residue filter plate (12), and the residue filter plate (12) divides the combustion zone (21) into an injection zone located above and a slag discharge zone located below; The combustion burner (8) and the ignition burner (9) are arranged in the injection zone.

9. The glass fiber reinforced plastic recycling and processing device according to claim 8, characterized in that: A pre-combustion chamber (13) is provided in the injection zone; The combustion burner (8) and the ignition burner (9) are arranged in the pre-combustion chamber (13).

10. The glass fiber reinforced plastic recycling and processing device according to claim 8, characterized in that: The fiber separator (4) is connected to a fiber collector (41); The slag discharge area is connected to a waste slag collector (14).