A regenerative oxidation furnace

Abstract

The present application relates to the field of equipment technology, and in particular to a regenerative thermal oxidation furnace, comprising a box, a bottom plate mounted on the box, an air intake system for introducing waste gas into the box mounted on the bottom plate, an air outlet system for exhausting the box mounted on the bottom plate, a purification system for cleaning the waste gas in the box mounted on the bottom plate, a burner mounted on the box, a combustion-supporting system for assisting combustion of the burner mounted on the box, the combustion-supporting system comprising a heat exchange box mounted on the box, a combustion-supporting fan for introducing air into the heat exchange box mounted on the box, a heat supply system for providing heat connected to the heat exchange box, and the heat supply system connected to the box. The present application has the effect of improving the convenience of the regenerative thermal oxidation furnace during operation.

Description

Technical Field

[0001] The present application relates to the technical field of regenerative thermal oxidation furnace equipment, and in particular to a regenerative thermal oxidation furnace. Background Art

[0002] There are certain requirements for the discharge of industrial waste gas. The waste gas needs to meet the discharge standard before it can be discharged into the atmosphere. The waste gas usually contains volatile combustible gases, and these gases are often treated through a regenerative oxidizer. The waste gas is first heated to a temperature close to the thermal oxidation temperature by a regenerative body, and then enters the combustion chamber for thermal oxidation. The temperature of the oxidized gas increases, and the organic matter is basically converted into carbon dioxide and water. The purified gas passes through another regenerative body, and the temperature drops. It can be discharged after meeting the emission standard.

[0003] When using a regenerative thermal oxidizer, in order to maintain the normal operation of the regenerative thermal oxidizer, gas fuel combustion is required as an energy supplement to increase the temperature inside the regenerative thermal oxidizer to reach the pyrolysis temperature. When burning the fuel, air is introduced to assist the combustion of the fuel. However, the air usually introduced is room temperature air. The room temperature air is introduced and mixed with the burning gas. The heat generated after the combustion of the gas raises the temperature of the room temperature air and is introduced into the interior of the oxidizer, resulting in high energy consumption and increasing the use of gas. Summary of the invention

[0004] In order to improve the convenience of the regenerative thermal oxidation furnace during operation, the present application provides a regenerative thermal oxidation furnace.

[0005] The present application provides a regenerative thermal oxidation furnace, which adopts the following technical solution:

[0006] A regenerative heat oxidation furnace comprises a box body, a base plate is installed on the box body, an air intake system for introducing exhaust gas into the box body is installed on the base plate, an air outlet system for exhausting the box body is installed on the base plate, a purification system for cleaning the exhaust gas in the box body is installed on the base plate, a burner is installed on the box body, a combustion-supporting system for supporting combustion of the burner is installed on the box body, the combustion-supporting system comprises a heat exchange box, the heat exchange box is installed on the box body, a heat supply system for providing heat is connected to the heat exchange box, and the heat supply system is connected to the box body.

[0007] By adopting the above technical scheme, the exhaust gas is introduced into the box by the air intake system, and the burner provides energy to cause the exhaust gas in the box to undergo pyrolysis reaction and maintain normal working state. When the burner is working, the combustion-supporting system provides air to assist the combustion of the burner. The heating system converts normal temperature air into high-temperature air in the heat exchange box, thereby reducing the heat consumption in the box and saving energy. After the pyrolysis of the exhaust gas is completed, it is discharged by the exhaust system. When the regenerative thermal oxidation furnace stops being used, the purification system cleans the exhaust gas remaining in the box, thereby reducing safety hazards and helping to improve the convenience of the regenerative thermal oxidation furnace during use.

[0008] In a specific feasible implementation scheme, a heat exchange assembly is installed in the heat exchange box, and the heat exchange assembly includes a support plate, and the support plate is installed in the heat exchange box, and a first heat exchange connecting pipe and a second heat exchange connecting pipe are installed on the support plate, and a heat exchange cylinder is rotatably installed on the second heat exchange connecting pipe and the first heat exchange connecting pipe, and the heat exchange cylinder is connected with the first heat exchange connecting pipe and the second heat exchange connecting pipe. A heat exchange groove is opened on the heat exchange cylinder, and a toggle device for toggling the heat exchange cylinder to rotate is installed in the heat exchange box.

[0009] By adopting the above technical solution, air is introduced into the heat exchange box. After passing through the heat exchange tube, the air takes away the heat on the heat exchange tube to achieve a heating process, thereby achieving rapid heating of the air and facilitating combustion of the burner.

[0010] In a specific feasible implementation scheme, the heating system includes a high-temperature exhaust gas connecting pipe, one end of the high-temperature exhaust gas connecting pipe is connected to the box body, and the other end is connected to the first heat exchange connecting pipe. The high-temperature exhaust gas connecting pipe is equipped with a seventh shut-off valve, and the second heat exchange connecting pipe is connected to a low-temperature exhaust gas connecting pipe. The other end of the low-temperature exhaust gas connecting pipe is connected to the exhaust system, and the low-temperature exhaust gas connecting pipe is equipped with an eighth shut-off valve. The high-temperature exhaust gas connecting pipe is connected to a high-temperature exhaust gas bypass pipe, and the high-temperature exhaust gas bypass pipe is also connected to the low-temperature exhaust gas bypass pipe, and the high-temperature exhaust gas bypass pipe is equipped with a ninth shut-off valve.

[0011] By adopting the above technical scheme, the high-temperature exhaust gas after pyrolysis in the box is introduced into the heat exchange box through the high-temperature exhaust gas bypass pipe of the heating system, and then discharged after passing through the heat exchange cylinder in the heat exchange box. The high-temperature exhaust gas in the box provides heat, and there is no need to adopt other heating methods, thereby achieving the recycling of energy in the box and saving energy.

[0012] In a specific feasible implementation scheme, the toggle device includes a support platform, the support platform is installed in the heat exchange box, a motor is installed on the support platform, the output shaft of the motor is installed with a rotating plate, a first connecting rod is hinged on the rotating plate, the first connecting rod is eccentrically arranged with the output shaft of the motor, a second connecting rod is fixedly installed on the first connecting rod, a push rod is installed on the second connecting rod, the push rod is slidably connected to the heat exchange cylinder through the heat exchange groove, a third connecting rod is hinged on the first connecting rod, and the third connecting rod is hinged to the support platform at one end away from the first connecting rod.

[0013] When air is introduced into the heat exchange box, dust and other substances will be present in the air. When the air passes through the heat exchange tube, the dust in the air will adhere to the surface of the heat exchange tube. After the heat exchange tube is used, excessive accumulation of dust on the heat exchange tube will isolate the heat in the heat exchange tube, affect the heat transfer, and reduce the heat exchange efficiency of the heat exchange tube. In most existing heat exchange equipment, a filter is usually added to the air inlet and outlet pipes, but after using the heat exchange tube for a long time, dust will still adhere to the surface of the heat exchange tube. At this time, if the heat exchange efficiency of the heat exchange tube is to be guaranteed, the heat exchange tube needs to be removed for cleaning and maintenance or replaced. This operation process is cumbersome and increases the workload.

[0014] By adopting the above technical solution, the motor controls the rotation of the rotating plate, and the rotating plate drives the first connecting rod to rotate, so that the push rod pushes the heat exchange tube to rotate, and the push rod moves along and fits the surface of the heat exchange tube, which can clean the dust and other impurities adsorbed on the surface of the heat exchange tube, prevent the dust adhering to the heat exchange tube from affecting the heat exchange efficiency and avoid the step of replacing and cleaning the heat exchange tube; the push rod pushes the heat exchange tube to rotate, and changes the position of the air inlet to blow to the surface of the heat exchange tube, because the air with lower temperature enters the heat exchange box and blows to the surface of the heat exchange tube for a long time, which makes the temperature of this side of the heat exchange tube lower than that of other sides. At this time, rotating the heat exchange tube can make the air entering the heat exchange box always contact with the high-temperature surface of the heat exchange tube. At the same time, the heat exchange tube can also stir the air in the heat exchange box, so that the air in the heat exchange box is evenly heated, which is convenient for heat exchange on the heat exchange tube.

[0015] In a specific feasible implementation scheme, the air intake system includes a main fan, which is installed on the base plate, and a first air intake main pipe connected to the exhaust gas is installed on the main fan, and a first shut-off valve is installed on the first air intake main pipe, and a second air intake main pipe for delivering the exhaust gas to the box is installed on the main fan, and the second air intake main pipe is connected to a first air intake branch pipe, a second air intake branch pipe and a third air intake branch pipe, and the first air intake branch pipe, the second air intake branch pipe and the third air intake branch pipe are respectively connected to the box, a first control valve is installed on the first air intake branch pipe, a second control valve is installed on the second air intake branch pipe, and a third control valve is installed on the third air intake branch pipe.

[0016] By adopting the above technical solution, the main fan provides power to suck the exhaust gas through the first air intake main pipe, and sends it into the box through the branch pipe on the second air intake main pipe, which can effectively ensure the smooth transportation of the exhaust gas.

[0017] In a specific feasible implementation scheme, an exhaust gas bypass system is installed on the base plate, and the exhaust gas bypass system includes a bypass main pipe installed on the base plate, one end of the bypass main pipe is connected to the first air intake main pipe, and the other end is connected to the air outlet system, and a sixth shut-off valve is installed on the bypass main pipe.

[0018] By adopting the above technical solution, a sixth shut-off valve is provided on the exhaust gas bypass system. When an emergency occurs in the box, in order to reduce the potential safety hazards caused by uncertain factors, the exhaust gas can directly enter the exhaust system through the exhaust gas bypass system and be discharged into the atmosphere.

[0019] In a specific feasible implementation scheme, the air outlet system includes an air outlet main pipe, which is installed on the base plate, and is connected to a first air outlet branch pipe, a second air outlet branch pipe and a third air outlet branch pipe, the first air outlet branch pipe, the second air outlet branch pipe and the third air outlet branch pipe are all connected to the box body, a fourth control valve is installed on the first air outlet branch pipe, a fifth control valve is installed on the second air outlet branch pipe, a sixth control valve is installed on the third air outlet branch pipe, and the air outlet main pipe is connected to an exhaust pipe.

[0020] By adopting the above technical solution, after the pyrolysis of the waste gas is completed, the gas after pyrolysis is discharged through the exhaust pipe through the gas outlet main pipe, which prevents the gas from accumulating in the box and facilitates the gas discharge.

[0021] In summary, the present application includes at least one of the following beneficial technical effects:

[0022] 1. The exhaust gas is introduced into the box by the air intake system, and the burner provides energy to make the exhaust gas in the box undergo pyrolysis reaction and maintain normal working state. When the burner is working, the combustion-supporting system provides air to assist the burner in combustion. The heating system converts normal temperature air into high-temperature air in the heat exchange box, reducing the heat consumption in the box and saving energy. After the pyrolysis of the exhaust gas is completed, it is discharged by the exhaust system. When the regenerative thermal oxidizer is out of use, the purification system cleans the residual exhaust gas in the box, reducing safety hazards and helping to improve the convenience of the regenerative thermal oxidizer during use.

[0023] 2. Through the setting of the combustion-supporting system, the high-temperature exhaust gas after pyrolysis in the box is introduced into the heat exchange box through the high-temperature exhaust gas bypass pipe of the heating system, and then discharged after passing through the heat exchange cylinder in the heat exchange box. The high-temperature exhaust gas in the box provides heat, and there is no need to use other heating methods, so that the energy in the box is reused and energy is saved. BRIEF DESCRIPTION OF THE DRAWINGS

[0024] Figure 1 It is a schematic diagram of the regenerative thermal oxidation furnace of an embodiment of the present application.

[0025] Figure 2 It is a cross-sectional view of the box of the regenerative thermal oxidation furnace according to an embodiment of the present application.

[0026] Figure 3 It is a schematic diagram of a purification system according to an embodiment of the present application.

[0027] Figure 4 It is a schematic diagram of the combustion-supporting system of an embodiment of the present application.

[0028] Figure 5 It is a cross-sectional view of the heat exchange box of the combustion-supporting system of an embodiment of the present application.

[0029] Figure 6 yes Figure 5 A is an enlarged view of the middle image.

[0030] Figure 7 It is a schematic diagram of the installation relationship between the heat exchange cylinder and the push rod in the combustion-supporting system of an embodiment of the present application.

[0031] Reference numerals: 1, housing; 11, bottom plate; 12, first wind box; 121, first heat storage body; 13, second wind box; 131, second heat storage body; 14, third wind box; 141, third heat storage body; 2, air intake system; 21, main fan; 22, first air intake main pipe; 221, first shut-off valve; 23, second air intake main pipe; 24, first air intake branch pipe; 241, first control valve; 25, second air intake branch pipe; 251, second control valve; 26, third air intake Gas branch pipe; 261, third control valve; 3, gas outlet system; 31, gas outlet main pipe; 32, first gas outlet branch pipe; 321, fourth control valve; 33, second gas outlet branch pipe; 331, fifth control valve; 34, third gas outlet branch pipe; 341, sixth control valve; 35, exhaust pipe; 4, purification system; 41, purification main pipe; 42, first purification branch pipe; 421, second shut-off valve; 43, second purification branch pipe; 431, third shut-off valve; 44, third purification branch pipe; 441, fourth shut-off valve; 45, fresh air inlet pipe; 451, fifth shut-off valve; 5, burner; 51, gas inlet pipe; 6, exhaust gas bypass system; 61, bypass main pipe; 611, sixth shut-off valve; 7, combustion-supporting system; 71, first support frame; 72, heat exchange box; 721, combustion-supporting air duct; 73, heat exchange assembly; 731, support plate; 732, first heat exchange connecting pipe; 733, second heat exchange connecting pipe; 734, heat exchange cylinder; 7341, heat exchange tank; 74. Actuating device; 741. A support platform; 742. A motor; 743. A rotating plate; 744. A first connecting rod; 745. A second connecting rod; 746. A push rod; 747. A third connecting rod; 75. A heating system; 751. A high-temperature exhaust gas connecting pipe; 7511. A seventh shut-off valve; 752. A low-temperature exhaust gas connecting pipe; 7521. A eighth shut-off valve; 753. A high-temperature exhaust gas bypass pipe; 7531. A ninth shut-off valve; 76. A second supporting frame; 77. A combustion-supporting fan. DETAILED DESCRIPTION

[0032] The following is combined with Figure 1-7 This application is described in further detail.

[0033] Example:

[0034] The present application discloses a regenerative oxidation furnace, referring to Figure 1 and Figure 2 , comprising a box body 1, a bottom plate 11 is fixedly installed on the bottom surface of the box body 1, an air intake system 2 for sending exhaust gas into the box body 1 is installed on the bottom plate 11, an air outlet system 3 for discharging the gas after pyrolysis in the box body 1 is installed on the bottom plate 11, a purification system 4 for cleaning the gas in the box body 1 is installed on the bottom plate 11, a burner 5 for inputting heat into the box body 1 is installed on the box body 1, and a combustion-supporting system 7 for supporting combustion of the burner 5 is installed on the box body 1.

[0035] The combustible waste gas is introduced into the box body 1 through the air intake system 2. After the waste gas enters the box body 1, the combustion-supporting system 7 assists the burner 5. The burner 5 burns in the box body 1 to generate heat energy supplied to the box body 1 for use to maintain the normal operation of the thermal storage oxidizer. After the waste gas is pyrolyzed in the box body 1, the gas after pyrolysis is discharged by the gas outlet system 3. When the thermal storage oxidizer stops using, the purification system 4 quickly cleans the waste gas in the box body 1 to prevent the combustible waste gas from remaining in the box body 1 and causing safety hazards, which is conducive to improving the convenience of the thermal storage oxidizer during use.

[0036] The box body 1 is divided into a first wind box 12, a second wind box 13 and a third wind box 14, which are arranged at equal intervals. A first heat storage body 121 is installed in the first wind box 12, a second heat storage body 131 is installed in the second wind box 13, a portion of the first wind box 12 located above the first heat storage body 121 is connected to a portion of the second wind box 13 located above the second heat storage body 131, a third heat storage body 141 is installed in the third wind box 14, and a portion of the third wind box 14 located above the third heat storage body 141 is connected to a portion of the second wind box 13 located above the second heat storage body 131. The connected portions above the first heat storage body 121, the second heat storage body 131 and the third heat storage body 141 form a high temperature area.

[0037] Reference Figure 1 and Figure 3 The air intake system 2 includes a main air blower 21, which is fixedly mounted on the bottom plate 11. The main air blower 21 is connected to a first air intake main pipe 22 for receiving exhaust gas, and a first shut-off valve 221 is installed on the first air intake main pipe 22. The main air blower 21 is fixedly connected to a second air intake main pipe 23 for delivering exhaust gas, and a first air intake branch pipe 24 is fixedly connected to the second air intake main pipe 23. The first air intake branch pipe 24 is connected to the first wind box 12, and a first control valve 241 for controlling the connection and closing of the first air intake branch pipe 24 is installed on the first air intake branch pipe 24. The second air intake main pipe 23 is fixedly connected to a second air intake branch pipe 25, and the second air intake branch pipe 25 is connected to the second wind box 13. A second control valve 251 for controlling the connection and closing of the second air intake branch pipe 25 is installed on the second air intake branch pipe 25. A third intake branch pipe 26 is fixedly connected to the second intake main pipe 23 . The third intake branch pipe 26 is connected to the third wind box 14 . A third control valve 261 for controlling the connection and closing of the third intake branch pipe 26 is installed on the third intake branch pipe 26 .

[0038] The air outlet system 3 includes an air outlet main pipe 31, which is fixedly mounted on the bottom plate 11. A first air outlet branch pipe 32 is fixedly connected to one end of the air outlet main pipe 31 close to the first wind box 12. The first air outlet branch pipe 32 is connected to the first wind box 12. A fourth control valve 321 for controlling the connection and closing of the first air outlet branch pipe 32 is installed on the first air outlet branch pipe 32. A second air outlet branch pipe 33 is fixedly connected to the air outlet main pipe 31. The second air outlet branch pipe 33 is connected to the second wind box 13. A fifth control valve 331 for controlling the connection and closing of the second air outlet branch pipe 33 is installed on the second air outlet branch pipe 33. A third air outlet branch pipe 34 is fixedly connected to the air outlet main pipe 31. The third air outlet branch pipe 34 is connected to the third wind box 14. A sixth control valve 341 for controlling the connection and closing of the third air outlet branch pipe 34 is installed on the third air outlet branch pipe 34. An exhaust pipe 35 is fixedly connected to one end of the air outlet main pipe 31 away from the first wind box 12 . The exhaust pipe 35 is fixedly mounted on the bottom plate 11 . The exhaust pipe 35 is vertically arranged.

[0039] The purification system 4 includes a purification main pipe 41, which is connected to the first air intake main pipe 22. The connection position of the purification main pipe 41 and the first air intake main pipe 22 is set between the first shut-off valve 221 and the main blower 21. The purification main pipe 41 is connected to a first purification branch pipe 42, which is connected to the first wind box 12, and a second shut-off valve 421 is installed on the first purification branch pipe 42. A second purification branch pipe 43 is fixedly connected to the purification main pipe 41, which is connected to the second wind box 13, and a third shut-off valve 431 is installed on the second purification branch pipe 43. A third purification branch pipe 44 is fixedly connected to one end of the purification main pipe 41 close to the third wind box 14, and the third purification branch pipe 44 is connected to the third wind box 14. A fourth shut-off valve 441 is installed on the third purification branch pipe 44.

[0040] A fresh air inlet pipe 45 is fixedly connected to the first air intake main pipe 22 . The connection position between the fresh air inlet pipe 45 and the first air intake main pipe 22 is set between the first shut-off valve 221 and the purification main pipe 41 . A fifth shut-off valve 451 is installed on the fresh air inlet pipe 45 .

[0041] Reference Figure 1 , Figure 2 and Figure 3In order to ensure efficient pyrolysis of the exhaust gas in the regenerative thermal oxidation furnace, it is necessary to first increase the temperature in the box 1. At this time, the first shut-off valve 221 on the first air inlet main pipe 22 connected to the exhaust gas is closed to stop the exhaust gas from entering the box 1, the fifth shut-off valve 451 on the fresh air inlet pipe 45 is opened, the first control valve 241 on the first air inlet branch pipe 24 is opened, and the sixth control valve 341 on the third air outlet branch pipe 34 is opened. The remaining valves are closed, and the main fan 21 is used to introduce air into the box 1 from the fresh air inlet pipe 45, and fuel gas is introduced through the burner 5. The combustion-supporting system 7 introduces air to assist the burner 5 in combustion so that the temperature of the air introduced into the box 1 is increased, and the gas is discharged through the third air outlet branch pipe 34 to allow air circulation in the box 1 to ensure air pressure balance.

[0042] After the temperature in the box body 1 rises, the fifth shut-off valve 451 cuts off the air circulation of the fresh air inlet pipe 45, and exhaust gas can be introduced into the box body 1 according to the content of combustible volatile gas in the exhaust gas. The first shut-off valve 221 controls the circulation of the first air intake main pipe 22, and the first control valve 241, the second control valve 251 and the third control valve 261 control the connection and closing of the corresponding first bellows 12, the second bellows 13 and the third bellows 14 respectively. The fourth control valve 321, the fifth control valve 331 and the sixth control valve 341 respectively control the connection and closing of the corresponding first outlet branch pipe 32, the second outlet branch pipe 33 and the third outlet branch pipe 34. When any one or two of the bellows are connected to allow the exhaust gas to pass through, the other two or one of the corresponding bellows open the gas pipeline after the pyrolysis is completed to allow the gas to flow out, thereby completing the pyrolysis process of the exhaust gas.

[0043] When the thermal storage oxidation furnace does not need to introduce exhaust gas and stops using, open any one or two valves among the second shut-off valve 421, the third shut-off valve 431 or the fourth shut-off valve 441, and close the circulation of exhaust gas through the first shut-off valve 221. The main fan 21 is started to draw the exhaust gas remaining in the box 1 into the second air intake main pipe 23 through the opened pipes in the first purification branch pipe 42, the second purification branch pipe 43 or the third purification branch pipe 44, and finally send it back into the thermal storage oxidation furnace, so that the exhaust gas in the box 1 is circulated and pyrolyzed, thereby reducing the residual exhaust gas in the box 1 and reducing safety hazards.

[0044] An exhaust gas bypass system 6 is installed on the base plate 11, and the exhaust gas bypass system 6 includes a bypass main pipe 61. The bypass main pipe 61 is fixedly installed on the base plate 11, and one end of the bypass main pipe 61 is fixedly connected to the first air intake main pipe 22. The connection position of the bypass main pipe 61 and the first air intake main pipe 22 is set on the side of the first shut-off valve 221 away from the main fan 21. A sixth shut-off valve 611 is installed on the bypass main pipe 61 near the connection position with the first air intake main pipe 22. The end of the bypass main pipe 61 away from the first air intake main pipe 22 is connected to the air outlet main pipe 31, and the connection position of the bypass main pipe 61 and the air outlet main pipe 31 is located between the third air outlet branch pipe 34 and the exhaust pipe 35.

[0045] The exhaust gas bypass system 6 is provided with a sixth shut-off valve 611. In the normal operating mode of the regenerative thermal oxidizer, the sixth shut-off valve 611 closes the bypass main pipe 61. When an emergency occurs in the box body 1, for example, a valve in a certain place on the regenerative thermal oxidizer is damaged, resulting in a change in the air pressure in the box body 1 or inability to perform conventional pyrolysis of the exhaust gas, in order to prevent the situation from becoming more serious, the sixth shut-off valve 611 can quickly connect the bypass main pipe 61, and the exhaust gas can directly enter the exhaust pipe 35 through the bypass main pipe 61.

[0046] Reference Figure 2 and Figure 4 A gas inlet pipe 51 for accessing gas is connected to the burner 5, and a combustion-supporting system 7 for supporting combustion of the burner 5 is installed on the chassis 1. The combustion-supporting system 7 includes a first support frame 71, and the first support frame 71 is fixedly installed on the box body 1. A heat exchange box 72 is installed on the first support frame 71. A second support frame 76 is installed on the chassis 1, and a combustion-supporting fan 77 for supplying air to the heat exchange box 72 is installed on the second support frame 76. The ventilation pipe of the combustion-supporting fan 77 is connected to the heat exchange box 72, and a combustion-supporting air duct 721 is connected to the side of the heat exchange box 72 away from the combustion-supporting fan 77, and the combustion-supporting air duct 721 is connected to the burner 5.

[0047] Reference Figure 5 , Figure 6 and Figure 7 A heat exchange assembly 73 is installed in the heat exchange box 72, and the heat exchange assembly 73 includes a support plate 731, which is fixedly installed in the heat exchange box 72, and a first heat exchange connecting pipe 732 and a second heat exchange connecting pipe 733 are fixedly installed on the support plate 731, and a heat exchange tube 734 is rotatably installed on the first heat exchange connecting pipe 732 and the second heat exchange connecting pipe 733. The heat exchange tube 734 is configured to be a rectangular tube with a square cross-sectional area, and heat exchange grooves 7341 are opened along the four long sides of the heat exchange tube 734. In this embodiment, the heat exchange tube 734 is configured to be a hollow shell, and the manufacturing material of the heat exchange tube 734 is selected from metal materials with good thermal conductivity, and both ends of the heat exchange tube 734 are respectively connected to the first heat exchange connecting pipe 732 and the second heat exchange connecting pipe 733.

[0048] A toggle device 74 for pushing the heat exchange tube 734 to rotate is installed in the heat exchange box 72. The toggle device 74 is set on both sides of the heat exchange tube 734. The toggle device 74 includes a support platform 741. A motor 742 is fixedly installed on the support platform 741. The output shaft of the motor 742 is fixedly connected to a rotating plate 743. A first connecting rod 744 is hinged at one end of the rotating plate 743 away from the output shaft of the motor 742. A second connecting rod 745 is fixedly connected to the first connecting rod 744. The second connecting rod 745 is installed at an acute angle to the first connecting rod 744. Push rods 746 are fixedly installed on the second connecting rods 745 on both sides of the heat exchange tube 734. The push rods 746 are slidably connected to the heat exchange tube 734 through the heat exchange groove 7341. In this embodiment, a cleaning brush is provided on the push rod 746. A third connecting rod 747 is hingedly connected to one end of the first connecting rod 744 away from the second connecting rod 745 , and one end of the third connecting rod 747 away from the first connecting rod 744 is hingedly connected to the support platform 741 .

[0049] Reference Figure 4 , Figure 5 and Figure 6 A heating system 75 for supplying heat to the heat exchange box 72 is installed on the box body 1. The heating system 75 includes a high-temperature exhaust gas connecting pipe 751. One end of the high-temperature exhaust gas connecting pipe 751 is connected to the third wind box 14, and the other end is connected to the first heat exchange connecting pipe 732. A seventh shut-off valve 7511 is installed on the high-temperature exhaust gas connecting pipe 751. The second heat exchange connecting pipe 733 is connected to a low-temperature exhaust gas connecting pipe 752, the other end of the low-temperature exhaust gas connecting pipe 752 is connected to the gas outlet main pipe 31, the low-temperature exhaust gas connecting pipe 752 is installed with an eighth shut-off valve 7521, the high-temperature exhaust gas connecting pipe 751 is connected to a high-temperature exhaust gas bypass pipe 753, and the connection position is located between the third bellows 14 and the seventh shut-off valve 7511, the high-temperature exhaust gas bypass pipe 753 is connected to the low-temperature exhaust gas connecting pipe 752 at one end away from the high-temperature exhaust gas connecting pipe 751, and the connection position is located between the eighth shut-off valve 7521 and the exhaust pipe 35, and the high-temperature exhaust gas bypass pipe 753 is installed with a ninth shut-off valve 7531.

[0050] Reference Figure 4 , Figure 6 and Figure 7When the burner 5 raises the temperature in the box 1, the seventh shut-off valve 7511 controls the high-temperature exhaust gas connecting pipe 751 to be connected, and the high-temperature air in the box 1 enters the heat exchange tube 734 from the high-temperature exhaust gas connecting pipe 751. The combustion-supporting fan 77 introduces normal-temperature air into the heat exchange box 72. The motor 742 controls the rotating plate 743 to make a circular motion. The rotating plate 743 drives the first connecting rod 744 and the second connecting rod 745 to move upward. The push rod 746 enters the heat exchange groove 7341 on the heat exchange tube 734, and the rotating plate 743 continues to make a circular motion. The rotating plate 743 drives the push rod 746 to push the heat exchange tube 734 to generate The push rod 746 gradually moves out of the heat exchange cylinder 734 while the rotating plate 743 rotates. When the connection position between the first connecting rod 744 and the rotating plate 743 rotates to the bottom of the output shaft of the motor 742, the push rod 746 completely moves out of the heat exchange cylinder 734. The rotating plate 743 continues to make circular motions, and the third connecting rod 747 pulls the second connecting rod 745 to make the push rod 746 move along and fit the outer side wall of the heat exchange cylinder 734. When the connection position between the first connecting rod 744 and the rotating plate 743 rotates to be parallel to the output shaft of the motor 742, the push rod 746 just moves to the notch position of the next heat exchange groove 7341. The rotating plate 743 continues to make circular motions. When the connection position between the first connecting rod 744 and the rotating plate 743 rotates to the top of the output shaft of the motor 742, the push rod 746 gradually enters the heat exchange groove 7341 on the heat exchange cylinder 734 and drives the heat exchange cylinder 734 to rotate again.

[0051] When the push rod 746 moves the heat exchange cylinder 734, the push rod 746 can move in accordance with the outer wall contour of the heat exchange cylinder 734 and the side wall of the heat exchange groove 7341. The dust and other impurities attached to the heat exchange cylinder 734 are cleaned by the cleaning brush on the push rod 746 to ensure the heat exchange efficiency of the heat exchange cylinder 734. The gas after the heat exchange is completed is introduced into the exhaust pipe 35 through the low-temperature exhaust gas connecting pipe 752. When the exhaust gas in the box body 1 is pyrolyzed to the self-heating state, there is no need to input gas, and the burner 5 stops working. If the heat in the box body 1 is too high, the seventh shut-off valve 7511 is closed and the ninth shut-off valve 7531 is opened. The excess heat in the box body 1 can directly enter the exhaust pipe 35 through the high-temperature exhaust gas bypass pipe 753, so that the exhaust gas pyrolysis in the box body 1 can be carried out effectively.

[0052] The implementation principle of the embodiment of the present application is as follows: combustible exhaust gas is introduced into the box body 1 through the air intake system 2. After the exhaust gas enters the box body 1, it is burned by the burner 5 in the box body 1 to generate heat energy, which is supplied to the box body 1 for use to maintain the normal operation of the thermal storage oxidation furnace. There is a combustion-supporting system 7 to assist the burner 5 to reduce energy consumption. After the exhaust gas is pyrolyzed in the box body 1, the exhaust system 3 discharges the gas after pyrolysis. When the thermal storage oxidation furnace stops using, the purification system 4 quickly cleans the exhaust gas in the box body 1 to prevent the combustible exhaust gas from remaining in the box body 1 and causing safety hazards, which is beneficial to improving the convenience of the thermal storage oxidation furnace during use.

[0053] The above are all preferred embodiments of the present application, and the protection scope of the present application is not limited thereto. Therefore, any equivalent changes made according to the structure, shape, and principle of the present application should be included in the protection scope of the present application.

Claims

1. A regenerative thermal oxidation furnace, characterized in that: The invention comprises a box body (1), wherein a bottom plate (11) is mounted on the box body (1), an air intake system (2) for introducing waste gas into the box body (1) is mounted on the bottom plate (11), an air outlet system (3) for exhausting the box body (1) is mounted on the bottom plate (11), a purification system (4) for cleaning the waste gas in the box body (1) is mounted on the bottom plate (11), a burner (5) is mounted on the box body (1), a combustion-supporting system (7) for supporting combustion of the burner (5) is mounted on the box body (1), the combustion-supporting system (7) comprising a heat exchange box (72), the heat exchange box (72) being mounted on the box body (1), and a heat exchange box (72) for supplying waste gas to the heat exchange box (1) is mounted on the box body (1). The heat exchange box (72) is provided with a combustion-supporting fan (77) for introducing air into the heat exchange box (72); the heat exchange box (72) is connected to a heat supply system (75) for providing heat; the heat supply system (75) is connected to the box body (1); a heat exchange component (73) is installed in the heat exchange box (72); the heat exchange component (73) comprises a support plate (731); the support plate (731) is installed in the heat exchange box (72); a first heat exchange connecting pipe (732) and a second heat exchange connecting pipe (733) are installed on the support plate (731); a heat exchange cylinder (734) is rotatably installed on the second heat exchange connecting pipe (733) and the first heat exchange connecting pipe (732); the heat exchange cylinder (734) is rotatably connected to the first heat exchange connecting pipe (734); The heat connection pipe (732) is connected to the second heat exchange connection pipe (733); a heat exchange groove (7341) is provided on the heat exchange tube (734); a toggle device (74) for toggle the heat exchange tube (734) for rotation is installed in the heat exchange box (72); the toggle device (74) comprises a support platform (741); the support platform (741) is installed in the heat exchange box (72); a motor (742) is installed on the support platform (741); a rotating plate (743) is installed on the output shaft of the motor (742); a first connecting rod (744) is hinged on the rotating plate (743); the first connecting rod (744) and the output shaft of the motor (742) are eccentrically arranged. A second connecting rod (745) is fixedly mounted on the first connecting rod (744), a push rod (746) is mounted on the second connecting rod (745), the push rod (746) is slidably connected to the heat exchange tube (734) through the heat exchange groove (7341), a third connecting rod (747) is hinged on the first connecting rod (744), and the third connecting rod (747) is hinged to the support platform (741) at one end away from the first connecting rod (744), and when the push rod (746) drives the heat exchange tube (734) to rotate, the push rod (746) can move in accordance with the outer wall contour of the heat exchange tube (734) and the side wall of the heat exchange groove (7341).

2. A regenerative thermal oxidation furnace according to claim 1, characterized in that: The heating system (75) comprises a high-temperature exhaust gas connecting pipe (751), one end of the high-temperature exhaust gas connecting pipe (751) is connected to the box (1), and the other end is connected to the first heat exchange connecting pipe (732), a seventh shut-off valve (7511) is installed on the high-temperature exhaust gas connecting pipe (751), a low-temperature exhaust gas connecting pipe (752) is connected to the second heat exchange connecting pipe (733), the other end of the low-temperature exhaust gas connecting pipe (752) is connected to the exhaust system (3), an eighth shut-off valve (7521) is installed on the low-temperature exhaust gas connecting pipe (752), a high-temperature exhaust gas bypass pipe (753) is connected to the high-temperature exhaust gas connecting pipe (751), the high-temperature exhaust gas bypass pipe (753) is simultaneously connected to the low-temperature exhaust gas connecting pipe (752), and a ninth shut-off valve (7531) is installed on the high-temperature exhaust gas bypass pipe (753).

3. A regenerative thermal oxidation furnace according to claim 1, characterized in that: A cleaning brush is mounted on the push rod (746).

4. A regenerative thermal oxidation furnace according to claim 1, characterized in that: The air intake system (2) comprises a main fan (21), the main fan (21) being mounted on the bottom plate (11), the main fan (21) being mounted with a first air intake main pipe (22) connected to exhaust gas, the first air intake main pipe (22) being mounted with a first shut-off valve (221), the main fan (21) being mounted with a second air intake main pipe (23) for supplying exhaust gas to the housing (1), the second air intake main pipe (23) being connected with a first air intake branch pipe (24), a second air intake branch pipe (25) and a third air intake branch pipe (26), the first air intake branch pipe (24), the second air intake branch pipe (25) and the third air intake branch pipe (26) being respectively connected with the housing (1), the first air intake branch pipe (24) being mounted with a first control valve (241), the second air intake branch pipe (25) being mounted with a second control valve (251), and the third air intake branch pipe (26) being mounted with a third control valve (261).

5. A regenerative thermal oxidation furnace according to claim 4, characterized in that: An exhaust gas bypass system (6) is installed on the base plate (11), and the exhaust gas bypass system (6) comprises a bypass main pipe (61). The bypass main pipe (61) is installed on the base plate (11), one end of the bypass main pipe (61) is connected to the first air intake main pipe (22), and the other end is connected to the air outlet system (3), and a sixth shut-off valve (611) is installed on the bypass main pipe (61).

6. A regenerative thermal oxidation furnace according to claim 1, characterized in that: The gas outlet system (3) comprises a gas outlet main pipe (31), the gas outlet main pipe (31) being mounted on the bottom plate (11), the gas outlet main pipe (31) being connected to a first gas outlet branch pipe (32), a second gas outlet branch pipe (33) and a third gas outlet branch pipe (34), the first gas outlet branch pipe (32), the second gas outlet branch pipe (33) and the third gas outlet branch pipe (34) being all in communication with the box body (1), the first gas outlet branch pipe (32) being mounted to a fourth control valve (321), the second gas outlet branch pipe (33) being mounted to a fifth control valve (331), the third gas outlet branch pipe (34) being mounted to a sixth control valve (341), and the gas outlet main pipe (31) being connected to an exhaust pipe (35).

Images