Energy-saving and environment-friendly electric RTO device and use method thereof

Abstract

The invention relates to the technical field of waste gas treatment, and particularly discloses an energy-saving and environment-friendly electric RTO device and a using method thereof.The energy-saving and environment-friendly electric RTO device comprises a shell, the left end of the interior of the shell is provided with a gas inlet and outlet end, and the right end of the interior of the shell is sequentially provided with an upper air duct layer, a middle layer and a lower air duct layer; a lifting switching assembly is arranged in the air inlet and outlet end and can switch different air paths of the upper air duct layer and the lower air duct layer. A guide plate is arranged in the upper air duct layer and is obliquely arranged; a mesh plate is arranged between the upper air duct layer and the middle layer; the middle layer comprises an upper heat storage layer, a lower heat storage layer and electric heating wires, the upper heat storage layer is connected with the mesh plate on the side of the upper air duct layer, the lower heat storage layer is connected with the mesh plate on the side of the lower air duct layer, and the electric heating wires are spiral and are uniformly distributed in the upper heat storage layer and the lower heat storage layer; the defects that in the prior art, an RTO furnace wastes energy, the heat energy utilization rate is low, and the waste gas treatment efficiency is insufficient are overcome.

Description

Technical Field

[0001] The present invention relates to the field of waste gas treatment, and in particular to an energy-saving and environment-friendly electric RTO device and a method of using the same. Background Art

[0002] RTO furnace, or regenerative thermal oxidizer, is a highly efficient waste gas treatment equipment for treating volatile organic compounds (VOCs). Its working principle is to oxidize and decompose organic waste gas into carbon dioxide and water at high temperature, while recovering the heat released during the decomposition of the waste gas, thereby achieving waste gas purification and energy recovery.

[0003] In the prior art, most RTO furnaces are multi-tower or rotary, which are driven by natural gas, diesel and other energy sources, resulting in large energy losses and easily causing energy waste. At the same time, in the prior art, the exhaust gas treatment efficiency is insufficient, the thermal energy utilization rate is low and the convenience is not high. Summary of the invention

[0004] 1. Technical issues to be resolved The problem to be solved by the present invention is to provide an energy-saving and environmentally friendly electric RTO device and a method of using the same, so as to overcome the defects of the RTO furnace in the prior art, such as energy waste, low thermal energy utilization rate and insufficient exhaust gas treatment efficiency.

[0005] (II) Technical solution In order to solve the technical problem, the present invention provides an energy-saving and environment-friendly electric RTO device, comprising: A shell, wherein the left end of the shell is provided with an air inlet and outlet, and the right end of the shell is provided with an upper air duct layer, a middle layer and a lower air duct layer in sequence; The air inlet and outlet ends are provided with a lifting switching assembly, the lifting switching assembly includes a lower chamber, a middle chamber, an upper chamber and a lifting valve, the lower chamber is communicated with the lower air duct layer, the upper chamber is communicated with the upper air duct layer, the lower chamber and the upper chamber are both communicated with the middle chamber through a pipeline, the lifting valve is coaxial with the pipeline, the lifting valve includes a cylinder, a support body, a solenoid valve, a valve stem and a sealing plate, the support body is connected with the shell, the cylinder is inserted in the shell through the support body, the cylinder has a valve stem, the solenoid valve is connected with the cylinder, the sealing plate is connected with the valve stem, the sealing plate is located between the two pipelines, and the cylinder controls the displacement of the sealing plate along the vertical direction of the shell; The upper air duct layer is provided with a guide plate, and the guide plate is arranged obliquely; A mesh plate is provided between the upper air duct layer and the middle layer, and the mesh plate is provided between the lower air duct layer and the middle layer, and the exhaust gas flows between the upper air duct layer, the middle layer and the lower air duct layer through the mesh plate; The middle layer includes an upper heat storage layer, a lower heat storage layer and an electric heating wire. The upper heat storage layer is connected to the mesh plate on the upper air duct layer side, and the lower heat storage layer is connected to the mesh plate on the lower air duct layer side. The electric heating wire is spiral-shaped and evenly distributed in the upper heat storage layer and the lower heat storage layer. The electric heating wire maintains the temperature of the upper heat storage layer and the lower heat storage layer at 850 degrees Celsius. The upper heat storage layer and the lower heat storage layer are made of 47.7% alumina ceramic particles.

[0006] As the energy-saving and environment-friendly electric RTO device described above, optionally, there are two lifting and switching components, and the two lifting and switching components are respectively arranged on both sides of the air inlet and outlet ends in an opposite manner.

[0007] As the energy-saving and environment-friendly electric RTO device described above, optionally, each of the lifting and switching components includes two air inlet and outlet holes, the air inlet and outlet holes are opened on the shell, and the four air inlet and outlet holes are arranged adjacent to the middle chamber.

[0008] As the energy-saving and environmentally friendly electric RTO device described above, optionally, a cover mechanism is also provided on the shell, and the cover mechanism includes a fixed block, a hinge bracket and a fixed cover, the fixed block is connected to the shell, the hinge bracket is hinged to the fixed block, the fixed cover is connected to the hinge bracket, and the fixed cover is fixed to the air inlet and outlet by bolts.

[0009] As for the energy-saving and environment-friendly electric RTO device as described above, optionally, a lifter is provided at the top of the shell, and the lifter is used to disassemble / install various components in the shell.

[0010] As for the energy-saving and environment-friendly electric RTO device as described above, optionally, a temperature sensor is also arranged in the middle layer, and there are multiple temperature sensors, and the multiple temperature sensors are evenly arranged in the middle layer.

[0011] As the energy-saving and environment-friendly electric RTO device described above, optionally, the shell is also provided with an inspection port, and the inspection port is respectively adjacently arranged at the upper air duct layer and the lower air duct layer.

[0012] As for the energy-saving and environment-friendly electric RTO device as described above, optionally, a heat-insulating material is provided between the intermediate layer and the shell.

[0013] The embodiments of this specification also provide a method for using an energy-saving and environment-friendly electric RTO device, which is implemented based on the energy-saving and environment-friendly electric RTO device described in any embodiment of this specification. The steps of using the energy-saving and environment-friendly electric RTO device are as follows: S1: Exhaust gas enters from a lifting switching component at the inlet and outlet ends and flows into the upper air duct layer; S2: The upper heat storage layer releases heat, the exhaust gas absorbs heat and heats up, and the exhaust gas undergoes high-temperature oxidation reaction; S3: The exhaust gas enters the lower heat storage layer, the lower heat storage layer absorbs heat, the exhaust gas cools down, and the cooled exhaust gas passes through the lower air duct layer and is discharged from another lifting switching component; S4: New exhaust gas enters from another lifting switching component and flows into the lower air duct layer. After absorbing heat, the lower heat storage layer releases heat, and the exhaust gas absorbs heat, undergoes high-temperature oxidation reaction, and enters the upper heat storage layer; S5: The upper heat storage layer absorbs heat, the exhaust gas cools down, and is discharged from the lifting and switching component through the upper air duct layer, thus completing a cycle.

[0014] (III) Beneficial effects The present invention provides an energy-saving and environment-friendly electric RTO device and a method of using the same, and the beneficial effects thereof are as follows: (1) The present invention sets an air inlet and outlet at the left end of the shell, and sets an upper air duct layer, an intermediate layer and a lower air duct layer at the right end of the shell. Exhaust gas, especially VOCs exhaust gas, can enter from a lifting and switching component located at the air inlet and outlet. The lifting and switching component can switch different air ducts to allow the exhaust gas to enter the upper air duct layer (lower air duct layer). When the exhaust gas enters, the upper heat storage layer (lower heat storage layer) releases heat, the exhaust gas absorbs heat, and the exhaust gas undergoes a high-temperature oxidation reaction. The treated exhaust gas passes through the lower heat storage layer (upper heat storage layer). The lower heat storage layer (upper heat storage layer) absorbs the heat of the treated exhaust gas, and the exhaust gas flows out from another lifting and switching component through the lower air duct layer. New exhaust gas can enter the lower air duct layer from another lifting and switching component. The lower air duct layer receives the heat absorbed by the lower heat storage layer (upper heat storage layer) and undergoes a high-temperature oxidation reaction. The upper heat storage layer (lower heat storage layer) absorbs the high temperature of the exhaust gas and flows out from the lifting and switching component through the upper air duct layer (lower air duct layer). Thus, a cycle is completed. This design can improve the efficiency of exhaust gas treatment while increasing heat utilization and reducing costs.

[0015] (2) The present invention evenly distributes electric heating wires in the upper heat storage layer and the lower heat storage layer, and evenly distributes temperature sensors in the middle layer. When the upper heat storage layer or the lower heat storage layer is insufficient in heat, the temperature sensor can send a signal to the terminal controller to control the electric heating wire to supplement heat. This design uses electric energy to complete the operation of the entire device. Compared with traditional energy combustion, electric energy can effectively avoid energy waste, and the electric heating wire combined with the temperature sensor can effectively improve the stability of heat supplementation. At the same time, electric heating can avoid the generation of nitrogen oxides, protect the environment, and reduce carbon emissions.

[0016] (3) The present invention provides a cover mechanism and an inspection port on the housing. The cover mechanism can seal the air inlet and outlet holes, and operators can maintain the upper and lower air duct layers through the inspection port. This design can improve convenience and safety. BRIEF DESCRIPTION OF THE DRAWINGS

[0017] In order to more clearly illustrate the technical solutions of the embodiments of the present application, the drawings required for use in the embodiments will be briefly introduced below. 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 paying creative work.

[0018] Figure 1 A three-dimensional diagram of an energy-saving and environment-friendly electric RTO device and a method of using the same according to the present invention; Figure 2 This is a front view of an energy-saving and environment-friendly electric RTO device and a method of using the same according to the present invention; Figure 3 A side view of an energy-saving and environment-friendly electric RTO device and a method of using the same according to the present invention; Figure 4 A partial schematic diagram of an energy-saving and environment-friendly electric RTO device and a method of using the same according to the present invention; Figure 5 A cross-sectional view of an energy-saving and environment-friendly electric RTO device and a method of using the same according to the present invention; Figure 6 A cross-sectional view of an energy-saving and environment-friendly electric RTO device and a method of using the same from another perspective of the present invention; Figure 7 for Figure 6 A partial schematic diagram of the middle part; Figure 8 A three-dimensional cross-sectional view of an energy-saving and environment-friendly electric RTO device and a method of using the same from another perspective of the present invention; Fig. 9 It is a cross-sectional view of the main view of an energy-saving and environment-friendly electric RTO device and a method of using the same according to the present invention.

[0019] The names of the components corresponding to the various figure marks in the figure are: 1. Shell; 11. Air inlet and outlet; 12. Upper air duct layer; 13. Middle layer; 14. Lower air duct layer; 15. Lifting and switching assembly; 16. Lower chamber; 17. Middle chamber; 18. Upper chamber; 19. Lifting valve; 20. Pipeline; 21. Cylinder; 22. Support body; 23. Solenoid valve; 24. Valve stem; 25. Sealing plate; 26. Guide plate; 27. Mesh plate; 28. Upper heat storage layer; 29. ​​Lower heat storage layer; 30. Heating wire; 31. Air inlet and outlet; 32. Cover plate mechanism; 33. Fixed block; 34. Hinge bracket; 35. Fixed cover plate; 36. Lifter; 4. Temperature sensor; 5. Inspection port. DETAILED DESCRIPTION

[0020] The present application is described in detail below with reference to the accompanying drawings and specific embodiments.

[0021] The following describes the implementation methods of the present application through specific examples, and those skilled in the art can easily understand other advantages and effects of the present application from the contents disclosed in this specification. Obviously, the described embodiments are only a part of the embodiments of the present application, rather than all the embodiments. The present application can also be implemented or applied through other different specific implementation methods, and the details in this specification can also be modified or changed in various ways based on different viewpoints and applications without departing from the spirit of the present application. It should be noted that, in the absence of conflict, the following embodiments and the features in the embodiments can be combined with each other. Based on the embodiments in the present application, all other embodiments obtained by ordinary technicians in the field without making creative work belong to the scope of protection of the present application.

[0022] It should be noted that various aspects of the embodiments within the scope of the appended claims are described below. It should be apparent that the aspects described herein can be embodied in a wide variety of forms, and any specific structure and / or function described herein is merely illustrative. Based on the present application, it should be understood by those skilled in the art that an aspect described herein can be implemented independently of any other aspect, and two or more of these aspects can be combined in various ways. For example, any number and aspect described herein can be used to implement the device and / or practice the method. In addition, other structures and / or functionalities other than one or more of the aspects described herein can be used to implement this device and / or practice this method.

[0023] It should also be noted that the illustrations provided in the following embodiments are only schematic illustrations of the basic concept of the present application. The drawings only show components related to the present application rather than being drawn according to the number, shape and size of components in actual implementation. In actual implementation, the type, quantity and proportion of each component may be changed arbitrarily, and the component layout may also be more complicated.

[0024] Additionally, in the following description, specific details are provided to facilitate a thorough understanding of the examples. However, it will be understood by those skilled in the art that the examples can be practiced without these specific details.

[0025] The technical solutions provided by various embodiments of the present application are described below in conjunction with the accompanying drawings.

[0026] See also Figures 1 to 9 The present invention provides an energy-saving and environmentally friendly electric RTO device, comprising: a housing 1, in which an air inlet and outlet 11 are arranged. In an optional embodiment, waste gas, especially VOCs waste gas, can enter from the air inlet and outlet 11 and undergo a high-temperature oxidation reaction in the housing 1, thereby being treated. It should be noted that the present invention uses an electric heating method to treat waste gas, which is highly environmentally friendly.

[0027] exist Figures 1 to 9 In an optional embodiment, an air inlet and outlet port 11 is disposed at the left end inside the shell 1, and an upper air duct layer 12, a middle layer 13 and a lower air duct layer 14 are sequentially disposed at the right end inside the shell 1.

[0028] The air inlet and outlet 11 can be used for the entry of waste gas and the exit of treated waste gas. Waste gas can enter from the upper air duct layer 12 or the lower air duct layer 14 and flow into the lower air duct layer 14 or the upper air duct layer 12 through the middle layer 13 .

[0029] It should be noted that the upper air duct layer 12 is provided with a guide plate 26, which is arranged obliquely. The guide plate 26 can evenly distribute the exhaust gas.

[0030] Furthermore, the middle layer 13 includes an upper heat storage layer 28, a lower heat storage layer 29 and an electric heating wire 30. The upper heat storage layer 28 is connected to the mesh plate 27 on the upper air duct layer 12 side, and the lower heat storage layer 29 is connected to the mesh plate 27 on the lower air duct layer 14 side. The electric heating wire 30 is spiral-shaped and is evenly distributed in the upper heat storage layer 28 and the lower heat storage layer 29.

[0031] Furthermore, a jack 36 is provided at the top of the housing 1 , and the jack 36 is used for disassembling / installing components in the housing 1 .

[0032] exist Figures 1 to 9In an optional embodiment, the inlet and outlet end 11 has a lift switch assembly 15, which includes a lower chamber 16, a middle chamber 17, an upper chamber 18 and a lift valve 19. The lift switch assembly 15 can be used to change the direction of exhaust gas intake. Among them, the lower chamber 16 is connected to the lower air duct layer 14, the upper chamber 18 is connected to the upper air duct layer 12, the lower chamber 16 and the upper chamber 18 are both connected to the middle chamber 17 through the pipe 20, the lifting valve 19 is coaxial with the pipe 20, the lifting valve 19 includes a cylinder 21, a support body 22, a solenoid valve 23, a valve stem 24 and a sealing plate 25, the support body 22 is connected to the shell 1, the cylinder 21 is inserted in the shell 1 through the support body 22, the cylinder 21 has a valve stem 24, the solenoid valve 23 is connected to the cylinder 21, the sealing plate 25 is connected to the valve stem 24, the sealing plate 25 is located between the two pipes 20, and the cylinder 21 controls the displacement of the sealing plate 25 along the vertical direction of the shell 1.

[0033] Furthermore, the heating wire maintains the temperature of the upper heat storage layer and the lower heat storage layer at 850 degrees Celsius, and the material of the upper heat storage layer and the lower heat storage layer is 47.7% alumina ceramic particles.

[0034] Furthermore, there are two lifting and switching components 15, which are respectively arranged oppositely on both sides of the inlet and outlet ends 11. One lifting and switching component 15 is used for the intake of waste gas, and the other lifting and switching component 15 is used for the exhaust of the treated waste gas.

[0035] Furthermore, each lifting and switching assembly 15 includes two air inlet and outlet holes 31 , which are opened on the shell 1 , and the four air inlet and outlet holes 31 are arranged adjacent to the middle chamber 17 .

[0036] Furthermore, a temperature sensor 4 is also disposed in the middle layer 13 . There are a plurality of temperature sensors 4 , and the plurality of temperature sensors 4 are evenly disposed in the middle layer 13 .

[0037] Furthermore, a mesh plate 27 is provided between the upper air duct layer 12 and the middle layer 13 , and a mesh plate 27 is provided between the lower air duct layer 14 and the middle layer 13 , and the exhaust gas flows between the upper air duct layer 12 , the middle layer 13 and the lower air duct layer 14 through the mesh plate 27 .

[0038] Furthermore, the housing 1 is provided with inspection openings 5, which are respectively arranged adjacent to the upper air duct layer 12 and the lower air duct layer 14. Operators skilled in the art can perform maintenance on the interior of the housing 1 through the inspection openings 5.

[0039] Furthermore, a heat-insulating material is provided between the middle layer 13 and the shell 1. The heat-insulating material can prevent the heat in the upper heat storage layer 28 and the lower heat storage layer 29 from being lost.

[0040] exist Figures 1 to 9In an optional embodiment, a cover mechanism 32 is also provided on the shell 1, and the cover mechanism 32 includes a fixed block 33, a hinge bracket 34 and a fixed cover 35. The fixed block 33 is connected to the shell 1, the hinge bracket 34 is hinged to the fixed block 33, the fixed cover 35 is connected to the hinge bracket 34, and the fixed cover 35 is fixed to the inlet and outlet holes 31 by bolts.

[0041] Based on the same inventive concept, the embodiment of this specification also provides a method for using an energy-saving and environmentally friendly electric RTO device, including the implementation of the energy-saving and environmentally friendly electric RTO device of any of the aforementioned embodiments. The steps of the method for using the energy-saving and environmentally friendly electric RTO device are as follows: S1: exhaust gas enters from a lifting switch assembly 15 at the air inlet and outlet end 11 and flows into the upper air duct layer 12; S2: The upper heat storage layer 28 releases heat, the exhaust gas absorbs heat and heats up, and the exhaust gas undergoes a high-temperature oxidation reaction; S3: the exhaust gas enters the lower heat storage layer 29, the lower heat storage layer 29 absorbs heat, the exhaust gas cools down, and the cooled exhaust gas passes through the lower air duct layer 14 and is discharged from another lifting switching component 15; S4: New exhaust gas enters from another lifting switching component 15 and flows into the lower air duct layer 14. After absorbing heat, the lower heat storage layer 29 releases heat, and the exhaust gas absorbs heat, undergoes a high-temperature oxidation reaction, and enters the upper heat storage layer 28; S5: The upper heat storage layer 28 absorbs heat, the exhaust gas cools down, and is discharged from the lifting and switching assembly 15 through the upper air duct layer 12, thereby completing a cycle.

[0042] The present invention provides an energy-saving and environment-friendly electric RTO device and a method for using the same, and the specific steps thereof are as follows: By setting the air inlet and outlet end 11 at the left end of the shell 1, the upper air duct layer 12, the middle layer 13 and the lower air duct layer 14 are respectively and sequentially set at the right end of the shell 1. Exhaust gas, especially VOCs exhaust gas, can enter from a lifting and switching component 15 located at the air inlet and outlet end 11. The lifting and switching component 15 can switch different air ducts to allow the exhaust gas to enter the upper air duct layer 12 (lower air duct layer 14). When the exhaust gas enters, the upper heat storage layer 28 (lower heat storage layer 29) releases heat, the exhaust gas absorbs heat, and the exhaust gas undergoes a high-temperature oxidation reaction. The treated exhaust gas passes through the lower heat storage layer 29 (upper heat storage layer 28), and the lower heat storage layer 29 (upper heat storage layer 28) absorbs the heat of the treated exhaust gas, and the exhaust gas passes through the lower air duct layer 14 and flows out from another lifting and switching component 15. New exhaust gas can enter the lower air duct layer 14 from another lifting switching component 15. The lower air duct layer 14 receives the heat absorbed by the lower heat storage layer 29 (upper heat storage layer 28) and undergoes a high-temperature oxidation reaction. The upper heat storage layer 28 (lower heat storage layer 29) absorbs the high temperature of the exhaust gas and flows out of the lifting switching component 15 through the upper air duct layer 12 (lower air duct layer 14). Thus, a cycle can be completed. This design can complete the operation of the entire device through electric energy. Compared with traditional energy combustion, electric energy can effectively avoid energy waste, and the electric heating wire 30 can cooperate with the temperature sensor 4 to effectively improve the stability of heat supplementation. At the same time, electric heating can avoid the generation of nitrogen oxides, protect the environment, and reduce carbon emissions.

[0043] By evenly distributing the heating wires 30 in the upper heat storage layer 28 and the lower heat storage layer 29, and evenly distributing the temperature sensors 4 in the middle layer 13, the temperature sensors 4 can send a signal to the terminal controller when the upper heat storage layer 28 or the lower heat storage layer 29 is insufficient in heat, and the terminal controls the heating wires 30 to supplement heat. This design uses the heating wires 30 in conjunction with the temperature sensors 4 to effectively improve the stability of heat supplementation, and electric heating can effectively avoid environmental pollution and energy waste.

[0044] By providing the cover mechanism 32 and the inspection port 5 on the housing 1, the cover mechanism 32 can seal the air inlet and outlet holes 31, and the operator can maintain the upper air duct layer 12 and the lower air duct layer 14 through the inspection port 5. This design can improve convenience and safety.

[0045] The same and similar parts between the various embodiments in this specification can be referenced to each other, and each embodiment focuses on the differences from other embodiments.

[0046] The above is only a specific implementation of the present application, but the protection scope of the present application is not limited thereto. Any changes or substitutions that can be easily thought of by a person skilled in the art within the technical scope disclosed in the present application should be included in the protection scope of the present application. Therefore, the protection scope of the present application shall be based on the protection scope of the claims.

Claims

1. An energy-saving and environment-friendly electric RTO device, characterized in that: include: A shell (1), wherein the left end inside the shell (1) is provided with an air inlet and outlet end (11), and the right end inside the shell (1) is provided with an upper air duct layer (12), a middle layer (13) and a lower air duct layer (14) in sequence; The air inlet and outlet ends (11) are provided with a lifting switching assembly (15), the lifting switching assembly (15) comprising a lower chamber (16), a middle chamber (17), an upper chamber (18) and a lifting valve (19), the lower chamber (16) being in communication with the lower air duct layer (14), the upper chamber (18) being in communication with the upper air duct layer (12), the lower chamber (16) and the upper chamber (18) both being in communication with the middle chamber (17) via a pipe (20), the lifting valve (19) being coaxial with the pipe (20), the lifting valve (19) comprising a cylinder (21), A support body (22), a solenoid valve (23), a valve stem (24) and a sealing plate (25), wherein the support body (22) is connected to the housing (1), the cylinder (21) is inserted into the housing (1) via the support body (22), the cylinder (21) has a valve stem (24), the solenoid valve (23) is connected to the cylinder (21), the sealing plate (25) is connected to the valve stem (24), the sealing plate (25) is located between the two pipes (20), and the cylinder (21) controls the displacement of the sealing plate (25) in a vertical direction along the housing (1); The upper air duct layer (12) is provided with a guide plate (26), and the guide plate (26) is arranged at an angle; A mesh plate (27) is provided between the upper air duct layer (12) and the middle layer (13), and the mesh plate (27) is provided between the lower air duct layer (14) and the middle layer (13), and the exhaust gas flows between the upper air duct layer (12), the middle layer (13) and the lower air duct layer (14) through the mesh plate (27); The intermediate layer (13) comprises an upper heat storage layer (28), a lower heat storage layer (29) and an electric heating wire (30); the upper heat storage layer (28) is connected to the mesh plate (27) on the upper air duct layer (12) side, the lower heat storage layer (29) is connected to the mesh plate (27) on the lower air duct layer (14) side, the electric heating wire (30) is spiral-shaped, the electric heating wire (30) is evenly distributed in the upper heat storage layer (28) and the lower heat storage layer (29), the electric heating wire (30) maintains the temperature of the upper heat storage layer (28) and the lower heat storage layer (29) at 850 degrees Celsius, and the material of the upper heat storage layer (28) and the lower heat storage layer (29) is 47.7% alumina ceramic particles.

2. The energy-saving and environment-friendly electric RTO device according to claim 1, characterized in that: There are two lifting switching components (15), and the two lifting switching components (15) are arranged opposite to each other on both sides of the air inlet and outlet ends (11).

3. The energy-saving and environment-friendly electric RTO device according to claim 1, characterized in that: Each of the lifting and switching components (15) comprises two air inlet and outlet holes (31), wherein the air inlet and outlet holes (31) are provided on the shell (1), and the four air inlet and outlet holes (31) are arranged adjacent to the middle chamber (17).

4. The energy-saving and environment-friendly electric RTO device according to claim 3, characterized in that: The shell (1) is also provided with a cover mechanism (32), the cover mechanism (32) comprising a fixed block (33), a hinge bracket (34) and a fixed cover (35), the fixed block (33) being connected to the shell (1), the hinge bracket (34) being hinged to the fixed block (33), the fixed cover (35) being connected to the hinge bracket (34), and the fixed cover (35) being fixed to the air inlet and outlet holes (31) by means of bolts.

5. The energy-saving and environment-friendly electric RTO device according to claim 1, characterized in that: A lifter (36) is provided at the top end of the shell (1), and the lifter (36) is used to disassemble / install various components in the shell (1).

6. The energy-saving and environment-friendly electric RTO device according to claim 1, characterized in that: A temperature sensor (4) is also arranged in the middle layer (13), and there are a plurality of the temperature sensors (4), which are evenly arranged in the middle layer (13).

7. The energy-saving and environment-friendly electric RTO device according to claim 1, characterized in that: The shell (1) is also provided with an inspection opening (5), and the inspection opening (5) is respectively arranged adjacent to the upper air duct layer (12) and the lower air duct layer (14).

8. The energy-saving and environment-friendly electric RTO device according to claim 1, characterized in that: A heat-insulating material is provided between the intermediate layer (13) and the shell (1).

9. A method for using an energy-saving and environment-friendly electric RTO device, characterized in that: The method for using the energy-saving and environment-friendly electric RTO device includes the energy-saving and environment-friendly electric RTO device according to any one of claims 1 to 8, and the steps of using the energy-saving and environment-friendly electric RTO device are as follows: S1: Exhaust gas enters from a lifting switching component (15) in the air inlet and outlet (11) and flows into the upper air duct layer (12); S2: the upper heat storage layer (28) releases heat, the exhaust gas absorbs heat and increases in temperature, and the exhaust gas undergoes a high-temperature oxidation reaction; S3: the exhaust gas enters the lower heat storage layer (29), the lower heat storage layer (29) absorbs heat, the exhaust gas cools down, and the cooled exhaust gas passes through the lower air duct layer (14) and is discharged from another lifting switching component (15); S4: New exhaust gas enters from another lifting switching component (15) and flows into the lower air duct layer (14). After absorbing heat, the lower heat storage layer (29) releases heat, and the exhaust gas absorbs heat, undergoes a high-temperature oxidation reaction, and enters the upper heat storage layer (28); S5: The upper heat storage layer (28) absorbs heat, the exhaust gas cools down, and is discharged from the lifting and switching assembly (15) through the upper air duct layer (12), thereby completing a cycle.

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