A device for recovering heat from RTO exhaust gas by enhancing waste heat

Abstract

This invention discloses a device for heat recovery from RTO waste gas enhanced by waste heat, specifically relating to the field of combustion furnace technology. It includes a regenerative thermal oxidation device and an airflow detection component. A diversion control component is installed on one side of the regenerative thermal oxidation device, with filter device one and filter device two connected to its two ends respectively. The airflow detection component in the device can detect changes in airflow in the branch pipe in real time. When an abnormality occurs in the airflow in the branch pipe, an alarm light illuminates, promptly alerting staff to the abnormality. Simultaneously, when the alarm light of one filter device illuminates, the device can automatically switch the on / off state of the electromagnet, quickly introducing airflow into another normal filter device. The entire process requires minimal manual intervention, ensuring the continuity of waste gas treatment work, maintaining work efficiency, and allowing staff to promptly repair any malfunctioning filter devices.

Description

Technical Field

[0001] This invention relates to the field of combustion furnace technology, and more specifically, to a device for recovering heat from RTO waste gas through waste heat enhancement. Background Technology

[0002] Regenerative thermal oxidizers (RTOs) are a type of equipment for treating medium- and low-concentration organic waste gases with low energy consumption and high removal rates. Compared with traditional catalytic combustion and direct-fired thermal oxidizers (TOs), they have the advantages of high thermal efficiency (≥95%), low operating costs, and the ability to handle large volumes of low-concentration waste gases. When the concentration is slightly higher, secondary waste heat recovery can also be performed, which greatly reduces production and operating costs. Combustion oxidation is a method for purifying organic waste gas based on the characteristic that organic compounds in the waste gas can be combusted and oxidized. Its purpose is to convert oxidizable components in the waste gas into harmless substances through combustion oxidation. In the case of waste gas containing hydrocarbons, this is specifically converted into CO2 and H2O. Regenerative Thermal Oxidizer (RTO) technology heats organic waste gas to above 760℃, causing the volatile organic compounds (VOCs) in the waste gas to oxidize and deoxidize. OrganiCompounds oxidize and decompose into CO2 and H2O in the combustion chamber, achieving a purification efficiency of up to 99%. The high-temperature gas generated by oxidation flows through a specially designed ceramic heat storage body, causing the ceramic body to heat up and "store heat." In the next process, the waste gas passes through the already "heat-stored" ceramic, transferring the heat from the ceramic to the waste gas. The organic waste gas repeatedly exchanges heat through the ceramic as a heat exchanger carrier, thereby saving fuel consumption for heating the waste gas and reducing operating costs, with a heat recovery efficiency of up to 95%. Under medium to high concentration conditions, the RTO can output waste heat for use in the form of steam, hot air, hot water, etc., achieving economic benefits while meeting environmental protection goals.

[0003] Currently, some existing waste gas treatment devices lack effective airflow detection and fault early warning mechanisms during the filtration process. When problems such as blockage or damage to the filtration device cause abnormal airflow, they cannot be detected and dealt with in a timely manner, often requiring staff to conduct regular inspections. This not only increases labor costs but may also affect the normal operation of the entire waste gas treatment system and reduce work efficiency due to untimely detection. To address this, we propose an RTO waste gas heat recovery device that can enhance waste heat recovery. Summary of the Invention

[0004] In order to overcome the above-mentioned defects of the prior art, the present invention provides a device for recovering heat from RTO exhaust gas by enhancing waste heat, so as to solve the problems mentioned in the background art.

[0005] To achieve the above objectives, the present invention provides the following technical solution: a device for recovering heat from RTO exhaust gas by enhancing waste heat, comprising a regenerative thermal oxidation device and an airflow detection component, wherein a diversion control component is installed on one side of the regenerative thermal oxidation device, and a filter device one and a filter device two are respectively connected to the two ends of the diversion control component. The diversion control assembly includes an installation pipe installed on one side of the bottom of the regenerative thermal oxidation device. A working box is installed at one end of the installation pipe. Branch pipe one and branch pipe two are installed at the two ends of the working box, respectively. A fixed seat is installed on one side inside the working box. T-slots are opened on both sides inside the fixed seat. T-plates are connected inside the two T-slots. A movable seat is installed on one side of the two T-plates. Electromagnet one and electromagnet two are installed at the two ends inside the fixed seat, respectively. An installation rod is installed at one end of the movable seat. Sealing plug one and sealing plug two are installed at the two ends of the installation rod, respectively. The airflow detection assembly includes a connecting pipe 1 installed at the top of branch pipe 1 and branch pipe 2; a connecting pipe 2 installed on one side of the top of filter device 1 and filter device 2; a support frame installed on one side of the top of filter device 1 and filter device 2; connecting rod 1 and connecting rod 2 respectively connected inside connecting pipe 1 and connecting pipe 2; a sealing ring installed at one end of connecting pipe 1 and connecting pipe 2; movable plate 1 and movable plate 2 respectively installed at one end of connecting rod 1 and connecting rod 2; a connecting frame installed at the other end of connecting rod 1; and a protective box installed at the other end of connecting rod 2. The protective box is slidably connected to the top of the support frame; an alarm light is installed on the top of the protective box; two symmetrical support plates are installed inside the protective box; a terminal block and a metal rod are installed inside the two support plates; a resistance wire is installed on the outside of the terminal block; a sliding plate is installed on the outside of the metal rod; a through groove is opened inside the support frame and the protective box; and an air outlet pipe is installed at the top of connecting pipe 2.

[0006] Preferably, the airflow detection assembly is provided in two sets, located at the top of branch pipe one and branch pipe two respectively. Branch pipe one and branch pipe two are connected to filter device one and filter device two respectively, for realizing exhaust gas diversion detection and filtration treatment.

[0007] Preferably, the movable seat is made of iron and corresponds to electromagnet one and electromagnet two respectively. The movement of the movable seat is controlled by turning electromagnet one and electromagnet two on and off, thereby realizing the sealing control of the sealing plug one and sealing plug two on the branch pipe one and branch pipe two.

[0008] Preferably, the outer wall of sealing plug one is in contact with the inner wall of branch pipe one, and the outer wall of sealing plug two is in contact with the inner wall of branch pipe two. Sealing plug one and sealing plug two are used to block the airflow in branch pipe one and branch pipe two.

[0009] Preferably, the two sealing rings are located on the outside of connecting rod one and connecting rod two, respectively, to increase the tightness of the connection between connecting rod one and connecting pipe one, and connecting rod two and connecting pipe two.

[0010] Preferably, movable plate one is located inside connecting pipe one, and movable plate two is located inside connecting pipe two, for sensing changes in airflow.

[0011] Preferably, the connecting frame is L-shaped, the top of the connecting frame is connected to the sliding plate, and the top of the connecting frame is located in the through groove.

[0012] Preferably, the top of the support frame has two symmetrical grooves, and the bottom of the protective box has two symmetrical sliding plates, which are slidably connected inside the grooves.

[0013] The technical effects and advantages of this invention are as follows: In use, the airflow detection component in this invention can sense changes in the airflow within the branch pipe in real time. When abnormalities occur in the airflow within the branch pipe, such as excessively fast or slow airflow or interruption, the airflow detection component reacts quickly. Through a related mechanical structure, it drives a slider to slide on the resistance wire, activating the circuit and illuminating the alarm light, promptly alerting staff to the abnormal airflow in the branch pipe. Simultaneously, when the alarm light of one filter device illuminates, the device automatically switches the on / off state of the electromagnet, quickly introducing airflow into another working filter device. The entire process requires minimal manual intervention, ensuring the continuity of waste gas treatment and maintaining work efficiency. It also allows staff to promptly repair malfunctioning filter devices, improving equipment reliability and maintenance efficiency.

[0014] When in use, this invention utilizes a specific heat exchange structure, such as a heat exchanger, within the regenerative thermal oxidation device. By employing the principle of heat exchange, it can precisely transfer the heat from the filtered and purified waste gas to the medium requiring heating, such as air or water. This process effectively achieves the recovery and reuse of waste gas heat, achieving the goal of waste heat enhancement, greatly improving energy utilization efficiency, reducing energy consumption costs for enterprises, and conforming to the current development trend of energy conservation and emission reduction. Attached Figure Description

[0015] Figure 1 This is a schematic diagram of the overall structure of the present invention.

[0016] Figure 2 This is a schematic diagram of the diversion control component of the present invention.

[0017] Figure 3 This is a first-view internal view of the diversion control component of the present invention.

[0018] Figure 4For the present invention Figure 3 A magnified view of A in the middle.

[0019] Figure 5 This is a second-view internal view of the shunt control component of the present invention.

[0020] Figure 6 This is a schematic diagram of the airflow detection component of the present invention.

[0021] Figure 7 This is an internal view of the airflow detection component of the present invention.

[0022] Figure 8 This is a schematic diagram of the regenerative thermal oxidation device of the present invention.

[0023] Figure 9 This is an operational diagram of the regenerative thermal oxidation device of the present invention.

[0024] The attached figures are labeled as follows: 1. Regenerative thermal oxidation device; 2. Diversion control assembly; 3. Filter device one; 4. Filter device two; 5. Airflow detection assembly; 21. Mounting pipe; 22. Working box; 23. Branch pipe one; 24. Branch pipe two; 25. Fixed base; 26. T-slot; 27. T-plate; 28. Moving base; 29. ​​Electromagnet one; 210. Electromagnet two; 211. Mounting rod; 212. Sealing plug one; 213. Sealing plug two; 51. Connecting pipe one; 52. Connecting pipe two; 53. Support 54. Support frame; 55. Connecting rod one; 56. Connecting rod two; 57. Sealing ring; 58. Movable plate one; 59. Movable plate two; 50. Connecting frame; 510. Protective box; 511. Alarm light; 512. Support plate; 513. Terminal block; 514. Metal rod; 515. Resistance wire; 516. Sliding plate; 517. Through groove; 518. Slide groove; 519. Slide plate; 520. Gas outlet pipe; a. Ignition pipe; b. Gas supply pipe; c. Combustion-supporting pipe; d. Combustion-supporting fan; e. Burner nozzle; f. Safety relief valve. Detailed Implementation

[0025] The technical solutions of the embodiments of the present invention will be clearly and completely described below with reference to the accompanying drawings. Obviously, the described embodiments are only some embodiments of the present invention, and not all embodiments. Based on the embodiments of the present invention, all other embodiments obtained by those skilled in the art without creative effort are within the scope of protection of the present invention.

[0026] As attached Figures 1-9 The device shown is a heat recovery device for RTO exhaust gas enhanced by waste heat, including a regenerative thermal oxidation device 1 and an airflow detection component 5. A diversion control component 2 is installed on one side of the regenerative thermal oxidation device 1, and a filter device 3 and a filter device 4 are respectively connected to the two ends of the diversion control component 2. The diversion control assembly 2 includes an installation pipe 21 installed on one side of the bottom of the regenerative thermal oxidizer 1. A working box 22 is installed at one end of the installation pipe 21. Branch pipe 1 23 and branch pipe 24 are installed at both ends of the working box 22, respectively. Two sets of airflow detection assemblies 5 are provided, located at the top of branch pipe 1 23 and branch pipe 24, respectively. Branch pipe 1 23 and branch pipe 24 are connected to filter device 1 3 and filter device 2 4, respectively, for realizing waste gas diversion detection and filtration treatment. A fixed base 25 is installed on one side inside the working box 22. T-slots 26 are opened on both sides of the fixed base 25. T-plates 27 are connected inside both T-slots 26. A movable base 28 is installed on one side of both T-plates 27. A movable base 28 is installed at both ends of the fixed base 25. Electromagnet 1 29 and electromagnet 210 are provided. One end of the movable base 28 is equipped with a mounting rod 211. Sealing plug 1 212 and sealing plug 213 are respectively installed at both ends of the mounting rod 211. The movable base 28 is made of iron and corresponds to electromagnet 1 29 and electromagnet 210 respectively. The movement of the movable base 28 is controlled by the on and off of electromagnet 1 29 and electromagnet 210, thereby realizing the sealing control of sealing plug 1 212 and sealing plug 213 on branch pipe 1 23 and branch pipe 2 24. The outer wall of sealing plug 1 212 is in contact with the inner wall of branch pipe 1 23, and the outer wall of sealing plug 213 is in contact with the inner wall of branch pipe 24. Sealing plug 1 212 and sealing plug 213 are used to block the airflow in branch pipe 1 23 and branch pipe 2 24. The airflow detection assembly 5 includes a connecting pipe 51 installed at the top of branch pipe 23 and branch pipe 24; a connecting pipe 52 installed on one side of the top of filter device 3 and filter device 24; a support frame 53 installed on one side of the top of filter device 3 and filter device 24; a connecting rod 54 and a connecting rod 55 respectively connected inside the connecting pipe 51 and the connecting pipe 52; a sealing ring 56 installed at one end of the connecting pipe 51 and the connecting pipe 52, with the two sealing rings 56 located outside the connecting rod 54 and the connecting rod 55 respectively, to increase the tightness of the connection between the connecting rod 54 and the connecting pipe 51, and between the connecting rod 55 and the connecting pipe 22; a movable plate 57 and a movable plate 58 respectively installed at one end of the connecting rod 54 and the connecting rod 55, with the movable plate 57 located inside the connecting pipe 51 and the movable plate 58 located inside the connecting pipe 22, for sensing airflow changes; and a connecting rod 54 is equipped with a... A connecting frame 59 is provided, and a protective box 510 is installed at the other end of the connecting rod 55. The protective box 510 is slidably connected to the top of the support frame 53. An alarm light 511 is installed on the top of the protective box 510. Inside the protective box 510, two symmetrical support plates 512 are installed. The two support plates 512 share a common terminal block 513 and a metal rod 514. A resistance wire 515 is installed on the outside of the terminal block 513, and a sliding plate 516 is installed on the outside of the metal rod 514. The support frame 53... The interior of the 3 and the protective box 510 is provided with a through groove 517. The connecting frame 59 is "L" shaped. The top of the connecting frame 59 is connected to the sliding plate 516, and the top of the connecting frame 59 is located in the through groove 517. The top of the connecting pipe 52 is equipped with an air outlet pipe 520. The top of the support frame 53 is provided with two symmetrical sliding grooves 518. The bottom end of the protective box 510 is equipped with two symmetrical sliding plates 519, which are slidably connected inside the sliding grooves 518.

[0027] When the device is not started or in the initial setting state, both electromagnet 1 29 and electromagnet 210 are de-energized. At this time, the movable seat 28 is located in the middle position inside the fixed seat 25. The T-shaped plate 27 plays a guiding and restricting role in the movement direction in the T-shaped groove 26, ensuring that the movable seat 28 can only move along the direction of the T-shaped groove 26. The mounting rod 211 is fixed on the movable seat 28. At this time, the sealing plug 1 212 and sealing plug 213 are located near the openings of the branch pipe 1 23 and the branch pipe 2 24, respectively, but are not completely blocked. The exhaust gas can enter the filter device 1 3 and the filter device 2 4 simultaneously through the branch pipe 1 23 and the branch pipe 2 24. Two symmetrical sliding plates 519 are installed at one end of the bottom of the protective box 510, and two symmetrical sliding grooves 518 are opened on the top of the support frame 53. During the airflow detection process, when the connecting rod 55 moves the protective box 510, the sliding plates 519 slide in the sliding grooves 518. This sliding connection method ensures the stability of the movement of the protective box 510, thereby ensuring that the airflow detection component 5 can work accurately and stably. The connecting frame 59 and the protective box 510 are both made of the lightest material, and both the connecting frame 59 and the protective box 510 can be moved. The filtration status can be observed by the variable resistance flow rate. A limit value is set for the variable resistance flow rate. When the limit value is reached, it indicates that there is a problem with the filtration device. At this time, the alarm light 511 will light up, and another filtration device will be started in time to prevent the staff from being unable to clean it in time and affecting work efficiency. The regenerative thermal oxidation device 1 includes a ignition pipeline; b gas supply pipeline; c combustion-supporting pipeline; d combustion-supporting fan; e burner; f safety relief valve; regenerative chamber A, regenerative chamber B, and regenerative chamber C; a) The ignition line is used to ignite the fuel in the combustion chamber during startup, providing an initial heat source. When the system starts, the ignition line delivers fuel gas (such as natural gas) to the igniter near the burner. The igniter generates an electric spark to ignite the fuel gas, forming an initial flame. This flame is used to preheat the ceramic regenerator in the combustion chamber and regenerator, providing the necessary high-temperature environment for subsequent exhaust gas oxidation. b) The gas supply line provides a continuous supply of fuel gas to the combustion chamber to maintain the combustion reaction. The gas supply line controls the flow and pressure of the fuel gas through a pressure regulating valve and a regulating valve to ensure that the fuel gas enters the combustion chamber at a stable rate. After the fuel gas mixes with the combustion air in the combustion chamber, it is ignited by the flame ignited by the ignition line, forming a stable combustion reaction. c) The combustion air supply line provides combustion air to the combustion chamber to ensure complete combustion of the fuel gas. The combustion air supply line draws in outside air through a combustion air fan, filters and preheats it before sending it into the combustion chamber. Combustion air mixes with the fuel gas supplied by the gas supply pipeline in the combustion chamber to form a combustible mixture, providing the necessary oxygen for the combustion reaction. The combustion air blower provides power to the combustion pipeline, ensuring that the combustion air enters the combustion chamber with sufficient flow and pressure. The combustion air blower, driven by a motor, rotates its impeller, generating negative pressure to draw in outside air, compresses it, and then sends it into the combustion chamber through the combustion pipeline. The blower's speed and airflow can be adjusted by a frequency converter to adapt to different combustion requirements. The burner nozzle mixes and ignites the fuel gas and combustion air, forming a stable flame. The burner nozzle has a special nozzle structure that allows the fuel gas and combustion air to mix thoroughly at the nozzle outlet and form a vortex. After the mixed gas is ignited by the flame from the ignition pipeline, a stable flame forms at the outlet of the burner nozzle, continuously heating and oxidizing the exhaust gas entering the combustion chamber. The safety relief valve automatically opens when the system pressure abnormally increases, releasing excess pressure and protecting the system. The safety relief valve senses the internal system pressure through a spring and diaphragm structure. When the system pressure exceeds the set value, the diaphragm moves upward against the spring force, opening the valve to release the excess pressure. When the system pressure returns to normal, the diaphragm resets under the spring force and closes the valve.

[0028] System overall working principle: Start-up phase: The ignition line ignites the gas in the combustion chamber, preheating the ceramic regenerator in the combustion chamber and regenerator.

[0029] Waste gas treatment stage: The waste gas to be treated enters the filter device for preliminary purification through the diversion control component, and then enters the heat storage chamber for preheating; the preheated waste gas enters the combustion chamber, where it mixes with the combustion air at high temperature and is oxidized and decomposed into CO2 and H2O by the flame ignited by the burner. The high-temperature flue gas produced by oxidation then releases heat through another heat storage chamber and is discharged from the system.

[0030] Heat recovery stage: The ceramic heat storage medium in the heat storage chamber absorbs and stores the heat from the high-temperature flue gas, which is then used to preheat the subsequent waste gas. At the same time, the system can recover some of the waste heat through a heat exchanger to heat media such as air and water.

[0031] Safety protection phase: When the system pressure rises abnormally, the safety relief valve automatically opens to release the excess pressure; when the flame in the combustion chamber is extinguished or the gas concentration exceeds the standard, the UV flame detector and combustible gas detector promptly issue alarm signals and take corresponding safety measures. VOCs are first preheated in a regenerator chamber, then enter the combustion chamber where they are heated to approximately 850°C, causing them to oxidize and decompose into CO2 and H2O. The resulting high-temperature flue gas then releases heat through another regenerator chamber before being discharged from the RTO system. In the operation of a three-chamber RTO, each regenerator chamber repeatedly switches between intake, purging, and exhaust states. After one cycle, VOCs always enter the regenerator chamber that discharged purified gas in the previous cycle, while the regenerator chamber that previously received VOCs is purged with purified gas or air, and any remaining unreacted VOCs are returned to the combustion chamber for oxidation. The VOCs are then discharged from the purged regenerator chamber along with the purified gas. This continuous cycle effectively reduces heat emissions after waste gas treatment and conserves heat lost during oxidation, maintaining high thermal efficiency (approximately 95%) during the high-temperature oxidation process. The equipment is safe, reliable, easy to operate and maintain, has low operating costs, and achieves a VOCs purification efficiency of up to 99%.

[0032] The working principle of this invention: The organic waste gas to be treated enters the ceramic heat storage body in heat storage chamber A (this ceramic heat storage body "stores" the heat from the previous cycle). The ceramic heat storage body releases heat and cools down, while the organic waste gas absorbs heat and heats up. After leaving the heat storage chamber, the waste gas enters the oxidation chamber at a higher temperature. At this time, the temperature of the waste gas depends on the volume of the ceramic body, the waste gas flow rate, and the geometry of the ceramic body. Since the waste gas has been preheated in the heat storage chamber, fuel consumption is greatly reduced. The oxidation chamber has two functions: first, to ensure that the waste gas can reach the set oxidation temperature; second, to ensure sufficient residence time for the VOCs in the waste gas to be fully oxidized. The residence time in this project is designed to be ≥1 second. The waste gas in the oxidation chamber... After combustion, the purified high-temperature gas leaves the oxidation chamber and enters regenerator B (which has been purged in the previous cycle). It releases heat and cools before being discharged, while regenerator B absorbs a large amount of heat and heats up (for heating the exhaust gas in the next cycle). The purified exhaust gas is then discharged into the atmosphere through the chimney. The regenerator, which originally contained exhaust gas, now contains unoxidized or incompletely oxidized raw material exhaust gas due to the change in gas flow direction. Simultaneously, a small stream of purified gas is introduced to purge regenerator C (which was in the intake state in the previous cycle). After the cycle is completed, the intake and exhaust valves switch once, and the next cycle begins. Exhaust gas enters from regenerator B and exits from regenerator C, cleaning regenerator A. This process repeats. (Reference) Figure 8 and Figure 9 ); When it is necessary to allow only exhaust gas to enter the filter device 3 through the branch pipe 23, the electromagnet 210 is energized. The electromagnet 210 generates magnetism, attracting the iron movable seat 28 to move in its direction. The movable seat 28 slides stably in the T-slot 26 through the T-plate 27, driving the mounting rod 211 to move together. The sealing plug 213 installed at one end of the mounting rod 211 moves towards the branch pipe 24 until the outer wall of the sealing plug 213 is tightly attached to the inner wall of the branch pipe 24, achieving complete blockage of the branch pipe 24. At this time, the exhaust gas can only enter the filter device 3 for purification treatment through the branch pipe 23. Similarly, when it is necessary to allow only exhaust gas to enter the filter device 4 through the branch pipe 24, the electromagnet 29 is energized, and the electromagnet 210 generates magnetic attraction to move the movable seat 28 in its direction, which drives the mounting rod 211 and the sealing plug 212 to move, so that the outer wall of the sealing plug 212 is tightly attached to the inner wall of the branch pipe 23, blocking the branch pipe 23, and the exhaust gas can only enter the filter device 4 through the branch pipe 24. After being distributed by the diversion control component 2, the exhaust gas enters the first filter device 3 or the second filter device 4. Inside the filter device, impurities, particulate matter, and harmful gases in the exhaust gas are adsorbed and filtered to purify the exhaust gas and meet the emission standards or subsequent reuse requirements. Under normal working conditions, the exhaust gas enters the corresponding filter device through the first branch pipe 23 or the second branch pipe 24 at a stable speed. At this time, the airflow pressure in the first connecting pipe 51 and the second connecting pipe 52 is stable. The first movable plate 57 in the first connecting pipe 51 and the second movable plate 58 in the second connecting pipe 52 are both in relatively stable positions. The first connecting rod 54 and the second connecting rod 55 are connected to the first movable plate 57 and the second movable plate 58, respectively. Under normal airflow pressure, the first connecting rod 54 and the second connecting rod 55 are also in their initial positions. Under normal conditions, the slider 516 is located at a specific position on the resistance wire 515, so that the circuit between the terminal 513 and the metal rod 514 is in an open state or a specific resistance state, and the alarm light 511 does not light up. When the airflow in branch pipe 23 becomes abnormal, such as excessively fast or slow airflow or interruption, the airflow pressure in connecting pipe 51 changes. This pressure change pushes the movable plate 57 to move, which in turn moves the connecting rod 54. The connecting rod 54, through the "L"-shaped connecting bracket 59, causes the slider 516 to slide on the resistance wire 515. When the slider 516 slides to a specific position, the circuit between the terminal 513 and the metal rod 514 is completed, and current flows through the alarm light 511, illuminating the alarm light and alerting the staff to the abnormal airflow in branch pipe 23. If the airflow is abnormal, similarly, if the airflow in the branch pipe 24 is abnormal, the movable plate 2 58 in the connecting pipe 2 52 will drive the connecting rod 2 55 to move, thereby making the circuit conductive through the relevant components, and the alarm light 511 will light up to indicate the abnormality; the exhaust gas purified by the filter device enters the regenerative thermal oxidation device 1. Inside the body of the recycling mechanism, there is a specific heat exchange structure such as a heat exchanger. Through the heat exchange principle, the heat in the exhaust gas is transferred to the medium that needs to be heated, such as air or water, so as to realize the recovery and reuse of the heat of the exhaust gas, achieve the purpose of waste heat enhancement, and improve energy utilization efficiency; When the alarm light 511 of one of the filters illuminates, it indicates that there may be a problem with the filter. At this time, the energized electromagnet is de-energized, and another electromagnet is energized to introduce airflow into another filter without affecting the working efficiency.

[0033] Finally, the following points should be noted: First, in the description of this invention, it should be noted that, unless otherwise specified and limited, the terms "installation", "connection", and "linkage" should be interpreted broadly, and can refer to mechanical connection or electrical connection, or internal connection between two components, or direct connection. "Up", "down", "left", "right", etc. are only used to indicate relative positional relationship. When the absolute position of the object being described changes, the relative positional relationship may change. Secondly: The accompanying drawings of the embodiments disclosed in this invention only involve the structures involved in the embodiments disclosed in this invention. Other structures can refer to the general design. In the absence of conflict, the same embodiment and different embodiments of this invention can be combined with each other. In conclusion, the above description is only a preferred embodiment of the present invention and is not intended to limit the present invention. Any modifications, equivalent substitutions, improvements, etc., made within the spirit and principles of the present invention should be included within the protection scope of the present invention.

Claims

1. A device for recovering heat from RTO waste gas through waste heat enhancement, comprising a regenerative thermal oxidation device (1) and an airflow detection component (5), characterized in that: A diversion control component (2) is installed on one side of the regenerative thermal oxidation device (1), and filter device one (3) and filter device two (4) are respectively connected to the two ends of the diversion control component (2). The diversion control assembly (2) includes an installation pipe (21) installed on one side of the bottom of the regenerative thermal oxidation device (1). A working box (22) is installed at one end of the installation pipe (21). A branch pipe (23) and a branch pipe (24) are installed at both ends of the working box (22). A fixed seat (25) is installed on one side inside the working box (22). T-slots (26) are opened on both sides inside the fixed seat (25). T-plates (27) are connected inside the two T-slots (26). A movable seat (28) is installed on one side of the two T-plates (27). Electromagnets (29) and (210) are installed at both ends inside the fixed seat (25). An installation rod (211) is installed at one end of the movable seat (28). Sealing plugs (212) and (213) are installed at both ends of the installation rod (211). The airflow detection assembly (5) includes a connecting pipe 1 (51) installed on the top of branch pipe 1 (23) and branch pipe 2 (24). A connecting pipe 2 (52) is installed on one side of the top of filter device 1 (3) and filter device 2 (4). A support frame (53) is installed on one side of the top of filter device 1 (3) and filter device 2 (4). A connecting rod 1 (54) and a connecting rod 2 (55) are respectively connected inside the connecting pipe 1 (51) and the connecting pipe 2 (52). A sealing ring (56) is installed at one end of the connecting pipe 1 (51) and the connecting pipe 2 (52). A movable plate 1 (57) and a movable plate 2 (58) are respectively installed at one end of the connecting rod 1 (54) and the connecting rod 2 (55). The other end of the connecting rod 1 (54) is installed with... There is a connecting frame (59), and a protective box (510) is installed at the other end of the connecting rod two (55). The protective box (510) is slidably connected to the top of the support frame (53). An alarm light (511) is installed on the top of the protective box (510). Two symmetrical support plates (512) are installed inside the protective box (510). A terminal block (513) and a metal rod (514) are installed inside the two support plates (512). A resistance wire (515) is provided on the outside of the terminal block (513). A sliding plate (516) is provided on the outside of the metal rod (514). A through groove (517) is opened inside the support frame (53) and the protective box (510). An air outlet pipe (520) is installed on the top of the connecting pipe two (52).

2. The device for recovering heat from RTO waste gas with enhanced waste heat according to claim 1, characterized in that: The airflow detection component (5) is provided in two sets, located at the top of the first branch pipe (23) and the second branch pipe (24) respectively. The first branch pipe (23) and the second branch pipe (24) are connected to the first filter device (3) and the second filter device (4) respectively, for realizing the detection and filtration of exhaust gas diversion.

3. The device for recovering heat from RTO waste gas by enhancing waste heat according to claim 1, characterized in that: The movable seat (28) is made of iron and corresponds to electromagnet one (29) and electromagnet two (210) respectively. The movement of the movable seat (28) is controlled by the on and off of the electromagnet one (29) and electromagnet two (210), thereby realizing the sealing control of the branch pipe one (23) and branch pipe two (24) by the sealing plug one (212) and sealing plug two (213).

4. The device for recovering heat from RTO waste gas with enhanced waste heat according to claim 1, characterized in that: The outer wall of the first sealing plug (212) is in contact with the inner wall of the first branch pipe (23), and the outer wall of the second sealing plug (213) is in contact with the inner wall of the second branch pipe (24). The first sealing plug (212) and the second sealing plug (213) are used to block the airflow in the first branch pipe (23) and the second branch pipe (24).

5. The device for recovering heat from RTO waste gas with enhanced waste heat according to claim 1, characterized in that: The two sealing rings (56) are located outside the connecting rod one (54) and the connecting rod two (55) respectively, to increase the tightness of the connection between the connecting rod one (54) and the connecting pipe one (51), and the connecting rod two (55) and the connecting pipe two (52).

6. The device for recovering heat from RTO exhaust gas with enhanced waste heat according to claim 1, characterized in that: The first movable plate (57) is located inside the first connecting pipe (51), and the second movable plate (58) is located inside the second connecting pipe (52) for sensing airflow changes.

7. The device for recovering heat from RTO waste gas by enhancing waste heat according to claim 1, characterized in that: The connecting frame (59) is "L" shaped, and the top of the connecting frame (59) is connected to the slide plate (516), and the top of the connecting frame (59) is located in the through groove (517).

8. The device for recovering heat from RTO waste gas by enhancing waste heat according to claim 1, characterized in that: The top of the support frame (53) has two symmetrical grooves (518), and the bottom of the protective box (510) is equipped with two symmetrical sliding plates (519), which are slidably connected inside the grooves (518).

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