An exhaust gas treatment device with energy-saving function and a method for using the same

Abstract

The application discloses a kind of energy-saving function's waste gas treatment equipment and its using method, it is related to waste gas treatment technical field, the device includes thermal oxidation furnace main body, shell, first air inlet pipe, air outlet pipe, first sealing baffle, second sealing baffle, fixed frame, three air inlet pipes, the fixed frame is far from the side of third air inlet pipe and is equipped with with the inner cavity of shell interpenetration air inlet, the shell is equipped with for being treated in the waste gas, the recovery mechanism for recovering and treating untreated waste gas, the shell is equipped with for needing the filter mechanism for filtering pretreatment of waste gas.The application can filter the untreated residual waste gas in the treated gas by the recovery mechanism, effectively prevent the pollution of surrounding environment caused by residual waste gas, and can recover and treat the untreated residual waste gas, so as to further improve the efficiency of waste gas treatment.

Description

TECHNICAL FIELD

[0001] The present application relates to the technical field of waste gas treatment, and particularly relates to a waste gas treatment equipment with an energy-saving function and a use method thereof. BACKGROUND

[0002] Waste gas treatment refers to a process of purifying waste gas containing pollutants generated in industrial sites and the like, aiming to reduce the harm of the waste gas to the environment and human health. A regenerative thermal oxidation furnace (RTO), also known as a regenerative incinerator, is a VOC organic waste gas treatment equipment, which treats waste gas by a thermal oxidation method and recovers heat by using a ceramic regenerative bed heat exchanger, and has the characteristics of high efficiency, energy saving, treatment of large air volume and low concentration waste gas, reliable operation, high automation and the like.

[0003] In the use of the existing regenerative thermal oxidation furnace, a plurality of regenerative units are arranged to realize the switching treatment of the intake and exhaust of waste gas. However, in this process, there are often untreated waste gas residues in the internal regenerative unit of the early intake. When switching to the exhaust state, the residues of the waste gas are directly discharged, thereby causing pollution to the surrounding environment. In order to further improve the efficiency of waste gas treatment, the present application provides a waste gas treatment equipment with an energy-saving function and a use method thereof. SUMMARY

[0004] The present application aims to provide a waste gas treatment equipment with an energy-saving function and a use method thereof to solve the problems in the background art.

[0005] To achieve the above-mentioned purpose, the present application provides the following technical scheme:

[0006] A waste gas treatment equipment with an energy-saving function comprises a thermal oxidation furnace main body, one end of the thermal oxidation furnace main body is provided with an outer shell, a first intake pipe and an exhaust pipe are symmetrically installed in the internal thermal oxidation furnace main body, the first intake pipe and the exhaust pipe are both fixedly connected to the outer shell through the thermal oxidation furnace main body, a first sealing partition plate is fixedly connected in the internal outer shell, two second sealing partition plates are symmetrically formed on the outer wall of the first sealing partition plate, the two second sealing partition plates are both fixedly connected to the outer shell, a fixed frame is installed on one side of the outer shell, a third intake pipe is installed on the side of the fixed frame away from the outer shell, an intake port is formed on the side of the fixed frame away from the third intake pipe and is in communication with the inner cavity of the outer shell, and a recovery mechanism for recovering untreated waste gas in the treated waste gas is arranged on the outer shell.

[0007] The recovery mechanism comprises:

[0008] A first motor is installed at the top end of the shell, and the output end of the first motor is fixedly connected with a first gear, which is located inside the shell, and a supporting frame is arranged below the first gear, and the supporting frame is fixedly connected with the shell and the first sealing partition plate, and a gas conveying pipe is installed at the bottom end of the supporting frame and fixedly connected with another second sealing partition plate.

[0009] The shell is provided with a filtering mechanism for filtering and pretreating the exhaust gas to be treated.

[0010] Based on the above technical scheme, the application further provides the following optional technical schemes.

[0011] In an optional scheme, the recycling mechanism further comprises:

[0012] A transmission assembly is arranged on the supporting frame.

[0013] The transmission assembly comprises:

[0014] A limiting rod is fixedly connected at the top end of the supporting frame, a toothed plate is slidably sleeved on the outer wall of the limiting rod, the toothed plate is meshingly connected with the first gear, a second gear is meshingly connected with the outer wall of the end of the toothed plate away from the first gear, and the second gear is rotationally connected with the shell.

[0015] A switching assembly is arranged on the supporting frame for switching the discharge of the gas.

[0016] A first filtering assembly is arranged inside the shell for filtering the untreated exhaust gas.

[0017] A lifting assembly is arranged on the second gear for lifting and opening and closing the port of the third air inlet pipe.

[0018] In an optional scheme, the switching assembly comprises:

[0019] A switching disc is rotationally connected inside the supporting frame, the switching disc is fixedly connected with the first gear, a gas guide groove is formed in the inside of the switching disc, the inner wall of the gas guide groove is in L shape, a gas conveying pipe is installed at the bottom end of the supporting frame and fixedly connected with another second sealing partition plate, two gas discharge pipes are symmetrically installed on the outer wall of the supporting frame, one of the gas discharge pipes penetrates to the outside of one side of the shell, and the other gas discharge pipe penetrates to the side of the first sealing partition plate away from the supporting frame.

[0020] In an optional scheme, the first filtering assembly is an activated carbon plate group installed inside one side of the shell, the activated carbon plate group is located at the bottom end of another second sealing partition plate, and the activated carbon plate group is in contact with the outer wall of the shell, the first sealing partition plate and another second sealing partition plate.

[0021] In an alternative: the lifting assembly comprises:

[0022] The transmission rod is fixedly connected to the bottom end of the second gear, and is rotatably connected to another second sealing partition plate. An outer wall of the transmission rod is slidably sleeved with a lifting sliding plate. The lifting sliding plate penetrates to the outside of one side of the shell and is slidably connected to the shell. A bottom end of the lifting sliding plate is fixedly connected with a lifting sliding rod. The lifting sliding rod penetrates to the inside of the fixed frame. A bottom end of the lifting sliding rod is fixedly connected with a blocking plate. The lifting sliding rod and the blocking plate are slidably connected to the fixed frame.

[0023] A guide assembly is arranged on the lifting sliding plate.

[0024] In an alternative: the guide assembly comprises:

[0025] A plurality of guide sliding blocks are circumferentially and equidistantly fixedly connected to the inner wall of the lifting sliding plate. The outer walls of the plurality of guide sliding blocks are semispherical. The transmission rod is provided with a guide sliding groove at a position where the transmission rod is connected to the plurality of guide sliding blocks, and the guide sliding groove is used for sliding the guide sliding blocks.

[0026] In an alternative: the filtering mechanism comprises:

[0027] A second filtering assembly is arranged on the shell.

[0028] The second filtering assembly comprises:

[0029] A second motor is mounted at the top end of the shell. An output end of the second motor is fixedly connected with a filter screen cylinder. The filter screen cylinder is located at a side of the first sealing partition plate away from the support frame. One second sealing partition plate is sleeved on an outer wall of the filter screen cylinder. The filter screen cylinder is rotatably connected to the one second sealing partition plate. An outer wall of the filter screen cylinder is provided with a scraping plate. The scraping plate is fixedly connected to the shell and the one second sealing partition plate.

[0030] A collecting assembly is arranged on the shell.

[0031] In an alternative: the collecting assembly comprises:

[0032] A material guiding frame is fixedly connected to a side of the shell away from the fixed frame. A discharging port is arranged at a port of the material guiding frame. The discharging port penetrates the material guiding frame, the inner cavity of the shell, and the material guiding frame. An inner portion of the material guiding frame is provided with a material collecting box. The material collecting box penetrates to the outside of a side of the material guiding frame away from the shell. A sealing rubber gasket is arranged at a position where the material guiding frame is connected to the material collecting box.

[0033] In an alternative: two fans are symmetrically installed on the inner wall of one end of the shell, two said fans are respectively located at one end of the first air inlet pipe and the air outlet pipe, the inner cavities of the two said fans are respectively connected with the inner cavities of the first air inlet pipe and the air outlet pipe, two said fans are respectively located below two second sealing partitions, a second air inlet pipe is installed on the top end of the shell, and the second air inlet pipe is located above one second sealing partition.

[0034] Compared with the prior art, the present application has the following advantages:

[0035] 1、The recycling mechanism can filter the untreated residual waste gas in the treated gas, effectively prevent the residual waste gas from polluting the surrounding environment, and recycle and secondarily treat the untreated residual waste gas, thereby further improving the efficiency of waste gas treatment.

[0036] 2、The filtering mechanism can filter and collect impurities in the waste gas, thereby pre-treating the waste gas and centrally treating the impurities, thereby effectively preventing the impurities from affecting the efficiency of the waste gas treatment by the thermal oxidation furnace main body. BRIEF DESCRIPTION OF DRAWINGS

[0037] Figure 1 It is a structural schematic diagram of the present application.

[0038] Figure 2 It is a structural schematic diagram of the thermal oxidation furnace main body of the present application.

[0039] Figure 3 It is a structural schematic diagram of the connection between the material guide frame and the shell of the present application.

[0040] Figure 4 It is a structural schematic diagram of the internal structure of the shell of the present application.

[0041] Figure 5 It is a structural schematic diagram of the internal structure of the support frame of the present application.

[0042] Figure 6 It is a structural schematic diagram of the connection between the limiting rod and the tooth plate of the present application.

[0043] Figure 7 It is a structural schematic diagram of the connection between the limiting rod and the tooth plate of the present application. Figure 4

[0044] ​The reference signs are annotated: 1, heat oxidation furnace main body; 201, first motor; 202, support frame; 203, first gear; 204, limiting rod; 205, switching disc; 206, activated carbon plate group; 207, gas conveying pipe; 208, gas guide groove; 209, toothed plate; 2010, second gear; 2011, transmission rod; 2012, guide slider; 2013, lifting slide plate; 2014, lifting slide rod; 2015, blocking plate; 301, second motor; 302, material guide frame; 303, material collecting box; 304, material discharge port; 305, material scraping plate; 306, filter screen cylinder; 4, first air inlet pipe; 5, fan; 6, shell; 7, air outlet pipe; 8, second air inlet pipe; 9, first sealing baffle; 10, second sealing baffle; 11, fixed frame; 12, third air inlet pipe. DETAILED DESCRIPTION

[0045] In order to make the purpose, technical scheme and advantages of the present application more clear, the present application will be further described in detail below in combination with the drawings and examples.

[0046] In one embodiment, as shown in Figures 1-7 An exhaust gas treatment device with energy-saving function, comprising a heat oxidation furnace main body 1, one end of the heat oxidation furnace main body 1 is provided with a shell 6, the inside of the heat oxidation furnace main body 1 is symmetrically provided with a first air inlet pipe 4 and an air outlet pipe 7, the first air inlet pipe 4 and the air outlet pipe 7 are both penetratingly fixedly connected to the heat oxidation furnace main body 1 and the shell 6, the inside of the shell 6 is fixedly connected with a first sealing baffle 9, the outer wall of the first sealing baffle 9 is symmetrically formed with two second sealing baffles 10, both of which are fixedly connected with the shell 6, the top end outer wall of one second sealing baffle 10 is beveled, the shell 6 is provided on one side with a fixed frame 11, the side of the fixed frame 11 away from the shell 6 is provided with a third air inlet pipe 12, the side of the fixed frame 11 away from the third air inlet pipe 12 is provided with an air inlet opening penetratingly communicating with the inner cavity of the shell 6, the inner wall of one end of the shell 6 is symmetrically provided with two fans 5, both of which are located at one end of the first air inlet pipe 4 and the air outlet pipe 7, the inner cavities of both fans 5 are penetratingly communicated with the inner cavities of the first air inlet pipe 4 and the air outlet pipe 7, both fans 5 are located below both second sealing baffles 10, the top end of the shell 6 is provided with a second air inlet pipe 8, which is located above one second sealing baffle 10, the shell 6 is provided with a recycling mechanism for recycling untreated exhaust gas in treated exhaust gas;

[0047] The recycling mechanism comprises a first motor 201 mounted at the top end of the shell 6, and the output end of the first motor 201 is fixedly connected with a first gear 203, the first gear 203 is located in the interior of the shell 6, a supporting frame 202 is arranged below the first gear 203, the supporting frame 202 is fixedly connected with the shell 6 and the first sealing partition plate 9, and a gas conveying pipe 207 is mounted at the bottom end of the supporting frame 202 and fixedly connected with the other second sealing partition plate 10;

[0048] The shell 6 is provided with a filtering mechanism for filtering and pretreating the waste gas to be treated;

[0049] In the embodiment, the thermal oxidation furnace body 1 preheats the organic waste gas to high temperature through the ceramic heat accumulator, so that the organic waste gas is oxidized and decomposed into harmless substances in the combustion chamber, and the heat is recovered for preheating of new waste gas, thereby realizing efficient purification and energy saving, the multi-chamber structure and the valve switching ensure continuous operation, and the advanced control system guarantees stable operation;

[0050] In use, the waste gas is discharged into the inner cavity of the shell 6 through the second air inlet pipe 8, at this time, two fans 5 are started to accelerate the flow of air in the inner cavity of the thermal oxidation furnace body 1 and the shell 6, and at the same time, the filtered waste gas is discharged into the inner cavity of the thermal oxidation furnace body 1 through the filtering mechanism, the first air inlet pipe 4 and one fan 5, so that the waste gas can be treated, and at the same time, impurities can be cleaned and collected through the filtering mechanism, so as to facilitate centralized treatment of the impurities;

[0051] At the same time, the gas treated by the thermal oxidation furnace body 1 can be discharged into the inner cavity of the shell 6 through the gas outlet pipe 7 and the other fan 5, at this time, the untreated residual waste gas in the treated gas can be filtered through the recycling mechanism, and the filtered gas can be discharged to the outside, so that the waste gas can be treated, and then the untreated residual waste gas can be recovered through the recycling mechanism, so that the untreated residual waste gas can be treated again, thereby further improving the efficiency of waste gas treatment;

[0052] In one embodiment, as shown in Figures 3-6 The recycling mechanism further comprises a transmission assembly arranged on the supporting frame 202;

[0053] The transmission assembly comprises a limiting rod 204 fixedly connected at the top end of the supporting frame 202, a toothed plate 209 slidingly sleeved on the outer wall of the limiting rod 204, the toothed plate 209 is in meshing connection with the first gear 203, the outer wall of the end of the toothed plate 209 away from the first gear 203 is in meshing connection with a second gear 2010, and the second gear 2010 is in rotary connection with the shell 6;

[0054] The supporting frame 202 is provided with a switching assembly for switching and discharging the gas;

[0055] The inside of the shell 6 is provided with a first filter assembly for filtering untreated exhaust gas;

[0056] The second gear 2010 is provided with a lifting assembly for lifting and closing the port of the third air inlet pipe 12;

[0057] The switching assembly comprises a switching disc 205 rotatably connected inside the support frame 202, the switching disc 205 is fixedly connected with the first gear 203, the inside of the switching disc 205 is provided with a gas guide groove 208, the inner wall of the gas guide groove 208 is in L shape, the bottom end of the support frame 202 is provided with a gas conveying pipe 207, the gas conveying pipe 207 is fixedly connected with the other second sealing partition plate 10, the outer wall of the support frame 202 is symmetrically provided with two exhaust pipes, one exhaust pipe penetrates to the outside of one side of the shell 6, the other exhaust pipe penetrates to the side of the first sealing partition plate 9 away from the support frame 202, the switching disc 205 is provided with a sealing rubber ring in contact with the inner wall of the support frame 202 at the two end ports of the gas guide groove 208, the support frame 202 is provided with an exhaust groove at the port of the exhaust pipe and the gas conveying pipe 207, the inner diameter of the exhaust groove is equal to the inner diameter of the gas guide groove 208, the other second sealing partition plate 10 is provided with a gas conveying port at the port of the gas conveying pipe 207, the gas conveying port is in communication with the inner cavity of the gas conveying pipe 207, through the cooperation of the transmission assembly and the switching assembly, the rotation of the switching disc 205 can switch the conveying direction of the gas, so that the untreated residual exhaust gas can be treated again;

[0058] In one embodiment, as shown in Figures 3-4 The first filter assembly is an activated carbon plate group 206 installed inside one side of the shell 6, the activated carbon plate group 206 is located at the bottom end of the other second sealing partition plate 10, the activated carbon plate group 206 is in contact with the outer walls of the shell 6, the first sealing partition plate 9 and the other second sealing partition plate 10, a door plate is rotatably connected with the shell 6 at one side of the activated carbon plate group 206, a sealing strip is arranged at the position where the door plate contacts with the shell 6, a fixed frame 11 is located between the activated carbon plate group 206 and the fan 5, the activated carbon plate group 206 is located between the gas conveying port and the fan 5, the untreated residual exhaust gas in the treated gas can be adsorbed through the activated carbon plate group 206, so as to effectively prevent the residual exhaust gas from polluting the surrounding environment, and the activated carbon plate group 206 can be replaced regularly through the door plate, so as to avoid the reduction of the filtering effect of the activated carbon plate group 206;

[0059] In one embodiment, as shown in Figures 1-7As shown, the lifting assembly comprises a transmission rod 2011 fixedly connected to the bottom end of the second gear 2010, the transmission rod 2011 is rotatably connected to the other second sealing partition plate 10, the outer wall of the transmission rod 2011 is slidably sleeved with a lifting slide plate 2013, the lifting slide plate 2013 penetrates to one side of the outside of the shell 6, the lifting slide plate 2013 is slidably connected to the shell 6, the bottom end of the lifting slide plate 2013 is fixedly connected with a lifting slide rod 2014, the lifting slide rod 2014 penetrates to the inside of the fixed frame 11, the bottom end of the lifting slide rod 2014 is fixedly connected with a blocking plate 2015, and the lifting slide rod 2014 and the blocking plate 2015 are slidably connected to the fixed frame 11;

[0060] The lifting slide plate 2013 is provided with a guide assembly;

[0061] The guide assembly comprises a plurality of guide sliding blocks 2012 fixedly connected to the inner wall of the lifting slide plate 2013 at equal intervals in the circumferential direction, the outer walls of the plurality of guide sliding blocks 2012 are hemispherical, and the transmission rod 2011 is provided with a guide sliding groove at the position where the transmission rod 2011 is connected to the plurality of guide sliding blocks 2012, the guide sliding groove being used for sliding of the guide sliding block 2012, through the cooperation of the lifting assembly and the guide assembly, the blocking plate 2015 can be driven to reciprocatingly lift while the switching disc 205 reciprocatingly rotates, so that the activated carbon plate group 206 can be subjected to desorption regeneration treatment by conveying hot nitrogen gas, and waste gas generated by the desorption regeneration can be recovered;

[0062] In one embodiment, as shown in the drawings, Figures 1-4 The filter mechanism comprises a second filter assembly arranged on the shell 6;

[0063] The second filter assembly comprises a second motor 301 mounted at the top end of the shell 6, the output end of the second motor 301 is fixedly connected with a filter screen cylinder 306, the filter screen cylinder 306 is located on the side of the first sealing partition plate 9 away from the support frame 202, one second sealing partition plate 10 is sleeved on the outer wall of the filter screen cylinder 306, the filter screen cylinder 306 is rotatably connected to the one second sealing partition plate 10, the outer wall of the filter screen cylinder 306 is provided with a scraping plate 305, the scraping plate 305 is fixedly connected to the shell 6 and the one second sealing partition plate 10, and the scraping plate 305 is provided with a brush for cleaning at the position where the scraping plate 305 is connected to the filter screen cylinder 306;

[0064] The shell 6 is provided with a collecting assembly;

[0065] The collecting assembly comprises a guide frame 302 fixedly connected to the shell 6 on the side away from the fixed frame 11, the shell 6 is provided with a discharge port 304 at the port of the guide frame 302, the discharge port 304 is in communication with the guide frame 302 and the inner cavity of the shell 6, the inner portion of the guide frame 302 is provided with a collecting box 303, the collecting box 303 penetrates to the outside of the side of the guide frame 302 away from the shell 6, and a sealing rubber gasket is arranged at the joint position of the guide frame 302 and the collecting box 303. Through the cooperation of the second filtering assembly and the collecting assembly, the impurities in the waste gas to be treated can be filtered and collected, and the efficiency of the waste gas treatment of the thermal oxidation furnace body 1 is effectively prevented from being affected by the impurities.

[0066] It is particularly pointed out that the principle of the desorption regeneration of the active carbon plate group 206 by the hot nitrogen gas is to use the displacement effect and the heat effect of the nitrogen gas to desorb the organic matters adsorbed on the active carbon plate group 206, so as to realize the regeneration of the active carbon plate group 206.

[0067] In use, the waste gas is discharged into the inner cavity of the shell 6 through the second air inlet pipe 8, at this time, the second motor 301 is started to drive the filter screen cylinder 306 to rotate, and the two fans 5 are started to accelerate the flow of air in the inner cavities of the thermal oxidation furnace body 1 and the shell 6. At this time, the waste gas filtered by the filter screen cylinder 306 can be discharged into the inner cavity of the thermal oxidation furnace body 1 through the first air inlet pipe 4 and one fan 5, so as to treat the waste gas, and the impurities on the outer wall of the filter screen cylinder 306 can be cleaned by the brushes on the scraping plate 305. At this time, the cleaned impurities fall into the inner cavity of the collecting box 303 along the upper surface of the second sealing partition plate 10 through the discharge port 304, so as to collect the impurities for centralized treatment.

[0068] Meanwhile, the gas treated by the thermal oxidation furnace body 1 can be discharged into the inner cavity of the shell 6 through the air outlet pipe 7 and the other fan 5. At this time, the untreated residual waste gas in the treated gas is filtered by the active carbon plate group 206, and then the filtered gas is discharged into the inner cavity of the air guide groove 208 through the gas conveying pipe 207. At this time, the gas in the inner cavity of the air guide groove 208 can be discharged to the outside through one air outlet pipe, so as to realize the treatment of the waste gas.

[0069] When the desorption operation of the active carbon plate group 206 is needed, the first motor 201 is started to drive the first gear 203 to rotate, and the switching disc 205 is driven to drive the air guide groove 208 to rotate along the inner wall of the support frame 202 under the drive of the first gear 203 until the end of the air guide groove 208 moves to the end of the other air outlet pipe, so as to realize the convenient switching of the gas conveying direction.

[0070] In the process, the tooth plate 209 in the meshing of the first gear 203 driven along the limiting rod 204 outer wall, the second gear 2010 in the meshing of the tooth plate 209 driven transmission rod 2011 rotation, while the transmission rod 2011 drive guide slot synchronous rotation, at this time the lifting slide plate 2013 through the guide block 2012 along the guide slot of the inner wall, along the inner wall of the shell 6 sliding up, while the blocking plate 2015 through the lifting slide rod 2014 in the lifting slide plate 2013 driven along the fixed frame 11 of the inner wall sliding up, so you can remove the third intake pipe 12 port plugging;

[0071] After the third intake pipe 12, the gas inlet can be transported to the inner cavity of the shell 6 of the hot nitrogen, at this time through the hot nitrogen can be activated carbon plate group 206 desorption regeneration operation, while the activated carbon plate group 206 through the desorption regeneration of waste gas generated by the gas pipe 207, guide gas groove 208 and another exhaust pipe discharge to the first sealed partition 9 away from the support frame 202 side, so you can through the filter screen cylinder 306 of the desorption regeneration of waste gas generated by the filter, and then repeat the above operation, so you can deal with the residual waste gas for secondary processing, when the activated carbon plate group 206 complete desorption regeneration, start the first motor 201 reset, so you can continue to discharge after processing and filtering of the gas, so as to further improve the efficiency of waste gas treatment.

[0072] The above, only for the specific embodiments of the present application, but the scope of protection of the present application is not limited to this, any skilled in the art of the technical personnel in the technical range of the present application, can easily think of changes or replacement, should be covered in the scope of protection of the present application. Therefore, the scope of protection of the present application should be subject to the scope of protection of claims.

Claims

1. An energy-saving waste gas treatment device, comprising a thermal oxidizer body (1), wherein a shell (6) is provided at one end of the thermal oxidizer body (1), a first inlet pipe (4) and an outlet pipe (7) are symmetrically installed inside the thermal oxidizer body (1), the first inlet pipe (4) and the outlet pipe (7) both penetrate through the thermal oxidizer body (1) and are fixedly connected to the shell (6), a first sealing partition (9) is fixedly connected inside the shell (6), two second sealing partitions (10) are symmetrically formed on the outer wall of the first sealing partition (9), both second sealing partitions (10) are fixedly connected to the shell (6), a fixing frame (11) is installed on one side of the shell (6), a third inlet pipe (12) is installed on the side of the fixing frame (11) away from the shell (6), and an air inlet communicating with the inner cavity of the shell (6) is opened on the side of the fixing frame (11) away from the third inlet pipe (12), characterized in that, The outer shell (6) is provided with a recycling mechanism for recycling untreated waste gas from treated waste gas; The recycling mechanism includes: a first motor (201) installed at the top of the outer shell (6), a first gear (203) fixedly connected to the output end of the first motor (201), the first gear (203) being located inside the outer shell (6), a support frame (202) being provided below the first gear (203), the support frame (202) being fixedly connected to the outer shell (6) and the first sealing partition (9), and an air supply pipe (207) being installed at the bottom end of the support frame (202), the air supply pipe (207) being fixedly connected to another second sealing partition (10); The outer casing (6) is provided with a filter mechanism for pre-treating the exhaust gas that needs to be treated.

2. The waste gas treatment equipment with energy-saving function according to claim 1, characterized in that, The recycling mechanism also includes a transmission assembly disposed on the support frame (202); The transmission assembly includes: a limiting rod (204) fixedly connected to the top of the support frame (202), a toothed plate (209) slidably sleeved on the outer wall of the limiting rod (204), the toothed plate (209) meshing with a first gear (203), a second gear (2010) meshing with the outer wall of the toothed plate (209) away from the first gear (203), and the second gear (2010) rotatably connected to the outer shell (6); The support frame (202) is provided with a switching component for switching the emission of gas; The housing (6) is provided with a first filter assembly for filtering untreated exhaust gas; The second gear (2010) is provided with a lifting assembly for lifting and lowering the port of the third air intake pipe (12).

3. The waste gas treatment equipment with energy-saving function according to claim 2, characterized in that, The switching assembly includes: a switching disk (205) rotatably connected inside the support frame (202), the switching disk (205) being fixedly connected to the first gear (203), the switching disk (205) having an air guide groove (208) inside, the inner wall of the air guide groove (208) being L-shaped, an air supply pipe (207) being installed at the bottom end of the support frame (202), the air supply pipe (207) being fixedly connected to another second sealing partition (10), and two exhaust pipes being symmetrically installed on the outer wall of the support frame (202), one of the exhaust pipes penetrating to the outside of one side of the outer shell (6), and the other exhaust pipe penetrating to the side of the first sealing partition (9) away from the support frame (202).

4. The waste gas treatment equipment with energy-saving function according to claim 2, characterized in that, The first filter assembly is an activated carbon plate group (206) installed inside one side of the housing (6). The activated carbon plate group (206) is located at the bottom of another second sealing partition (10). The activated carbon plate group (206) is in contact with the outer walls of the housing (6), the first sealing partition (9) and the other second sealing partition (10).

5. The waste gas treatment equipment with energy-saving function according to claim 2, characterized in that, The lifting assembly includes: a transmission rod (2011) fixedly connected to the bottom end of the second gear (2010), the transmission rod (2011) being rotatably connected to another second sealing partition (10), a lifting slide plate (2013) being slidably sleeved on the outer wall of the transmission rod (2011), the lifting slide plate (2013) penetrating to the outside of one side of the outer shell (6), the lifting slide plate (2013) being slidably connected to the outer shell (6), a lifting slide rod (2014) being fixedly connected to the bottom end of the lifting slide plate (2013), the lifting slide rod (2014) penetrating into the interior of the fixed frame (11), a sealing plate (2015) being fixedly connected to the bottom end of the lifting slide rod (2014), and both the lifting slide rod (2014) and the sealing plate (2015) being slidably connected to the fixed frame (11); The lifting slide plate (2013) is equipped with a guide component.

6. The waste gas treatment equipment with energy-saving function according to claim 5, characterized in that, The guide assembly includes: multiple guide sliders (2012) that are circumferentially and equidistantly fixed to the inner wall of the lifting slide plate (2013). The outer walls of the multiple guide sliders (2012) are all hemispherical. The transmission rod (2011) is provided with guide grooves at the contact points with the multiple guide sliders (2012) for the guide sliders (2012) to slide.

7. The waste gas treatment equipment with energy-saving function according to claim 1, characterized in that, The filtration mechanism includes: a second filter assembly disposed on the housing (6); The second filter assembly includes: a second motor (301) installed at the top of the housing (6), the output end of the second motor (301) is fixedly connected to a filter cylinder (306), the filter cylinder (306) is located on the side of the first sealing partition (9) away from the support frame (202), a second sealing partition (10) is sleeved on the outer wall of the filter cylinder (306), the filter cylinder (306) is rotatably connected to a second sealing partition (10), a scraper (305) is provided on the outer wall of the filter cylinder (306), and the scraper (305) is fixedly connected to the housing (6) and a second sealing partition (10); A collection component is provided on the outer shell (6).

8. The waste gas treatment equipment with energy-saving function according to claim 7, characterized in that, The collection assembly includes: a guide frame (302) fixedly connected to the side of the outer shell (6) away from the fixed frame (11), a discharge port (304) is provided at the port of the guide frame (302) of the outer shell (6), the discharge port (304) communicates with the guide frame (302) and the inner cavity of the outer shell (6), a collection box (303) is provided inside the guide frame (302), the collection box (303) extends to the outside of the guide frame (302) away from the outer shell (6), and a sealing gasket is provided at the junction of the guide frame (302) and the collection box (303).

9. The waste gas treatment equipment with energy-saving function according to claim 1, characterized in that, Two fans (5) are symmetrically installed on the inner wall of one end of the outer shell (6). The two fans (5) are located at one end of the first air inlet pipe (4) and the air outlet pipe (7), respectively. The inner cavities of the two fans (5) are connected to the inner cavities of the first air inlet pipe (4) and the air outlet pipe (7), respectively. The two fans (5) are located below the two second sealing partitions (10), respectively. A second air inlet pipe (8) is installed at the top of the outer shell (6). The second air inlet pipe (8) is located above a second sealing partition (10).

10. A method of using an energy-saving waste gas treatment device according to any one of claims 1-9, characterized in that, Includes the following steps: Step 1: Through the first air inlet pipe (4) and a fan (5), the exhaust gas discharged into the inner cavity of the outer shell (6) is transported to the inner cavity of the thermal oxidizer body (1) to treat the exhaust gas. At this time, the impurities in the exhaust gas are filtered and collected by the filtration mechanism, so as to perform pretreatment operation on the exhaust gas. Step 2: The treated gas is transported to the inner cavity of the outer shell (6) through the gas outlet pipe (7) and another fan (5). The treated gas is filtered and discharged through the recovery mechanism to avoid untreated waste gas being discharged together. Step 3: The activated carbon plate group (206) is desorbed and regenerated by hot nitrogen through the recycling mechanism, and the waste gas generated by desorption is discharged into the filtration mechanism for secondary combustion treatment of the desorbed waste gas.

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