High-temperature pretreatment device for waste incineration flue gas

Abstract

The utility model discloses a high-temperature pretreatment device for waste incineration flue gas, and relates to the technical field of waste incineration equipment, the high-temperature pretreatment device for waste incineration flue gas comprises a high-temperature pretreatment machine box and an inner box body, a switchable heating device is installed in the inner box body, the switchable heating device comprises a connecting seat and a drawing frame, the connecting base is fastened to the inner wall of a left side panel of the inner box body through bolts, the drawing frame is slidably connected to the inner wall of a right side panel of the inner box body, a first connecting assembly is installed on the surface of the connecting base, a second connecting assembly is installed on the surface of the side, close to the connecting base, of the drawing frame, and a switching mechanism is installed in the drawing frame. According to the device, the positions of the upper heating rod and the lower heating rod are changed through the switching mechanism, so that the connection state of the upper heating rod and the lower heating rod with the electric heating power connection column is changed, uninterrupted normal operation of equipment during use is ensured, the working efficiency is ensured to be unchanged, and the use effect is good.

Description

Technical Field

[0001] The utility model relates to the technical field of waste incineration equipment, in particular to a high-temperature pretreatment device for waste incineration flue gas. Background Art

[0002] The composition of the waste incineration exhaust gas includes CO2, CO, SO2, NO, NO2, HCI, HF, NH3, H2O, O2, etc. Since the exhaust gas contains a large amount of moisture, if it is measured after cooling, components such as CO2, SO2, HCl, HF, NH3, etc. will dissolve in the condensed water and be discharged together with the water, resulting in a large measurement error and making the measurement result meaningless. In addition, HCI and HF dissolve in water to form strong acids, which are highly corrosive to the sample system, and it is difficult for the equipment to operate for a long time. Due to the conventional direct extraction method, it is necessary to condense and remove water from the sampled gas, which will cause losses of gases easily soluble in water such as SO2 and HCL, resulting in inaccurate measurement results, especially when the gas concentration is low. When continuously monitoring waste incineration flue gas, this cold-drying sampling method is generally not suitable. When using the wet-heat sampling method, it is required to heat the sampled gas to 180°C throughout the whole process from entering the measurement unit of the analytical instrument. The analyzer uses a Fourier transform infrared analyzer, which can simultaneously analyze gases such as HCl, SO2, HF, NOx, CO, H2O, CO2, NH3, etc., and is a high-precision analytical instrument. The superiority of this technology lies in that the measurement process is completed at high temperature without water removal, and the measured gas will not be lost. The disadvantage is that it has extremely high requirements for the cleanliness of the flue gas. Therefore, the high-temperature pretreatment device is particularly important.

[0003] In summary, special designs need to be made according to the working conditions. Otherwise, it will lead to great measurement errors. Since the content of components such as HF / HCL in the measured gas is not high itself, and there are losses in the general pretreatment process, it is simply impossible to measure the data. Moreover, it will cause the gas cell inside the high-precision instrument to be polluted by the waste incineration flue gas, and it cannot provide accurate measurement data for the environmental protection monitoring department. For this reason, professionals have set up a device to solve the above problems. This device mainly includes a high-temperature pretreatment chassis, a tracing pipe, a high-temperature pretreatment module, an axial flow fan, a button, a solid-state relay, and a temperature controller. Among them, the high-temperature pretreatment module includes an inner box body, a pipe joint, a needle valve, a high-temperature pump, a high-temperature flowmeter, a steam valve, a high-temperature filter, a temperature sensor, a stainless steel metal pipe, a heating pipe, and a stirring fan. The entire pretreatment high-temperature module is heated through heat transfer, and the stirring fan is used to evenly distribute the heat inside the module. After using this device, the pretreatment of water vapor and impurities in the waste incineration flue gas is effectively solved, the loss of measured dust components is effectively reduced, and the precision analysis instrument at the back end is effectively protected. However, in the above device, the heating pipe often breaks during use. When the heating pipe breaks, it cannot heat the air inside the inner box body, resulting in the inability to continue the pretreatment operation and delaying the working time. For this reason, we have proposed a high-temperature pretreatment device for waste incineration flue gas. Summary of the Invention

[0004] The purpose of this application is to provide a high-temperature pretreatment device for waste incineration flue gas. This device is provided with an upper heating rod and a lower heating rod. The upper heating rod is used as a heating device, and the lower heating rod is used as a backup heating device. After installation, only the upper heating rod is connected and powered on for use. When the upper heating rod is damaged and cannot generate heat normally, the connection state between the upper heating rod and the lower heating rod and the electric heating connection post is changed through a switching mechanism, so as to achieve the switching operation. By switching in time, it is ensured that when one group of heating rods is damaged, the other group of heating rods can be switched and operated in time, ensuring that the equipment operates continuously and normally during use, ensuring that the working efficiency remains unchanged, and having a good use effect.

[0005] To achieve the above object, the present application provides the following technical solution: A high-temperature pretreatment device for waste incineration flue gas, comprising a high-temperature pretreatment machine case and an inner box fixedly connected to the inner wall of the high-temperature pretreatment machine case. A switchable heating device is installed inside the inner box. The switchable heating device includes a connecting seat and a drawing frame. The connecting seat is bolted to the inner wall of the left side panel of the inner box and is electrically connected to an external controller. The drawing frame is slidably connected to the inner wall of the right side panel of the inner box and corresponds to the position of the connecting seat. A first connecting component is installed on the surface of the connecting seat, and a second connecting component is installed on the surface of the drawing frame close to the connecting seat. One end of the first connecting component is slidably connected to the inner wall of one end of the second connecting component. The upper heating rods and the lower heating rods are respectively and evenly arranged on the surface of the drawing frame and are arranged up and down. One end of the second connecting component is respectively connected to one end of the upper heating rod and the lower heating rod. A switching mechanism is installed inside the drawing frame. One end of the switching mechanism is connected to one end of the second connecting component, and the other end is respectively connected to one end of the upper heating rod and the lower heating rod.

[0006] Preferably, the first connecting component includes an induction power connection post, an electromagnetic power connection post, an electric heating power connection post, and a guide shaft rod. The induction power connection post, the electromagnetic power connection post, the electric heating power connection post, and the guide shaft rod are sequentially arranged on the surface of the connecting seat close to the drawing frame from top to bottom. The second connecting component includes an induction connection sleeve, an electromagnetic connection sleeve, an electric heating connection sleeve, and a limiting sleeve. The induction connection sleeve, the electromagnetic connection sleeve, the electric heating connection sleeve, and the limiting sleeve are sequentially arranged on the surface of the drawing frame close to the connecting seat from top to bottom. The induction power connection post, the electromagnetic power connection post, the electric heating power connection post, and the guide shaft rod respectively correspond to the induction connection sleeve, the electromagnetic connection sleeve, the electric heating connection sleeve, and the limiting sleeve in position and have matching outer dimensions. One end of the induction power connection post, the electromagnetic power connection post, the electric heating power connection post, and the guide shaft rod are respectively slidably connected to the inner wall of one end of the induction connection sleeve, the electromagnetic connection sleeve, the electric heating connection sleeve, and the limiting sleeve and are connected.

[0007] Preferably, one end of the drawing frame penetrates outside the high-temperature pretreatment machine case and is fixedly connected to the surface of the high-temperature pretreatment machine case through an elastic clamping mechanism. Vertical through grooves for the one end of the drawing frame to penetrate are respectively opened on the surface of the high-temperature pretreatment machine case and the surface of the right side panel of the inner box. Sealing rubber strips are arranged at the connection between the surface of the one end of the drawing frame penetrating outside the high-temperature pretreatment machine case and the surface of the high-temperature pretreatment machine case.

[0008] Preferably, the switching mechanism includes a pressure sensor, an electromagnetic chuck, a cylindrical magnetic base, a transmission rod, a compression spring, a transmission carrier seat, an upper conical seat, a lower conical seat, a transverse sliding seat, a telescopic spring, and a conical groove. The pressure sensor, the electromagnetic chuck, and the transmission rod are sequentially arranged on the inner wall of the extraction rack from top to bottom. The pressure sensor and the electromagnetic chuck are respectively connected to the induction connection sleeve and the electromagnetic connection sleeve through wires. The transmission rod is vertically slidably connected to the inner wall of the extraction rack and reciprocates up and down. The top of the transmission rod is fixedly connected with a cylindrical magnetic base and slidably connected to the inner wall of the electromagnetic chuck. The surface of the cylindrical magnetic base is magnetically fixed to the surface of the electromagnetic chuck. One end of the cylindrical magnetic base penetrates through the top of the electromagnetic chuck and contacts the surface of the pressure sensor. The bottom of the transmission rod is fixedly connected with a compression spring, and the other end of the compression spring is fixedly connected to the inner wall of the extraction rack. The transmission carrier seats are evenly fixedly connected to the surface of the transmission rod and slidably connected to the inner wall of the extraction rack. The transmission carrier seats are all located between the upper heating rod and the lower heating rod. The upper conical seat and the lower conical seat are symmetrically arranged at the top left end of the transmission carrier seat and the bottom right end of the transmission carrier seat respectively. One end of the upper heating rod and the lower heating rod is slidably connected to the inner wall of the electric heating power connection column, and the other end penetrates into the extraction rack and is threadedly connected with a transverse sliding seat. The two transverse sliding seats are both slidably connected to the inner wall of the extraction rack and fixedly connected with a telescopic spring between the two transverse sliding seats and the inner wall of the extraction rack. The two transverse sliding seats are respectively located on one side of the top of the transmission carrier seat and one side of the bottom of the transmission carrier seat and are slidably connected to the outer surface of the transmission rod. Transverse through grooves are provided at positions corresponding to the surface of the transverse sliding seat and the transmission rod. The transmission rod is slidably connected to the inner wall of the transverse through groove. Conical grooves are provided at positions corresponding to the surface of the transverse sliding seat connected to the upper heating rod and the upper conical seat and at positions corresponding to the surface of the transverse sliding seat connected to the lower heating rod and the lower conical seat. The upper conical seat and the lower conical seat are both adapted to the external dimensions of the conical groove. One end of the upper conical seat and the lower conical seat is slidably connected to the inner wall of the conical groove.

[0009] Preferably, the number of the upper conical seats is equal to that of the upper heating rods, the number of the lower conical seats is equal to that of the lower heating rods, the sum of the numbers of the upper heating rods and the lower heating rods is equal to that of the electric heating connection posts, and the sum of the numbers of the upper conical seats and the lower conical seats is equal to that of the conical grooves. In the initial state, the upper heating rods and the lower heating rods, as well as the upper conical seats and the lower conical seats, are arranged in a staggered manner. The lower conical seats are all located inside the conical grooves on the surfaces of the transverse sliding seats corresponding to the positions of the lower heating rods, and the conical grooves on the surfaces of the transverse sliding seats corresponding to the positions of the upper heating rods are not in contact with the upper conical seats. One end of each lower heating rod is slidably connected to the inner wall of the electric heating connection post and is in an energized state, while one end of each upper heating rod is slidably connected to the inner wall of the electric heating connection post and is in a non-energized state. When the surface of the cylindrical magnetic seat is magnetically fixed to the surface of the electromagnetic chuck, the upper conical seats are all located inside the conical grooves on the surfaces of the transverse sliding seats corresponding to the positions of the upper heating rods, and the conical grooves on the surfaces of the transverse sliding seats corresponding to the positions of the lower heating rods are not in contact with the lower conical seats. One end of each lower heating rod is slidably connected to the inner wall of the electric heating connection post and is in a non-energized state, while one end of each upper heating rod is slidably connected to the inner wall of the electric heating connection post and is in an energized state.

[0010] Preferably, an electromagnetic switch is further arranged on the surface of the connecting seat and is electrically connected to an external controller. The electromagnetic switch is used to control whether to supply power to the induction connection post, the electromagnetic connection post, and the electric heating connection post. The temperature data monitored by the temperature sensor installed on the inner wall of the inner box is used as a trigger condition for the operation of the switching mechanism. After the device operates normally for a period of time, when the temperature data monitored by the temperature sensor is lower than the set temperature value, the external controller determines that the heating rod in use is damaged and cannot generate heat normally, and simultaneously controls the electromagnetic switch corresponding to the position of the electromagnetic connection post to close, so that the electromagnetic chuck in the switching mechanism is powered off.

[0011] In summary, the technical effects and advantages of the present utility model are as follows:

[0012] The structure of the present utility model is reasonable. The device is provided with an upper heating rod and a lower heating rod. The upper heating rod is used as a heating device, and the lower heating rod is used as a standby heating device. Only the upper heating rod is connected and energized for use after installation. When the upper heating rod is damaged and cannot generate heat normally, the positions of the upper heating rod and the lower heating rod are changed through the switching mechanism, so as to change the connection state between the upper heating rod and the lower heating rod and the electric heating connection post, thereby realizing the switching operation. By switching in time, it is ensured that when one group of heating rods is damaged, the other group of heating rods can be switched and operated in time, ensuring that the device operates continuously and normally during use, ensuring that the working efficiency remains unchanged, and having a good use effect.

[0013] In the present utility model, a first connection component and a second connection component are further provided. The first connection component and the second connection component are designed to facilitate the energization and de-energization of the upper heating rod, the lower heating rod and the switching mechanism, and at the same time play a role in positioning and guiding the extraction rack, facilitating its installation and improving its structural stability, with strong practicability and good use effect. BRIEF DESCRIPTION OF THE DRAWINGS

[0014] In order to more clearly illustrate the technical solutions in the embodiments of the present application or the prior art, the following will briefly introduce the drawings required for use in the description of the embodiments or the prior art. Obviously, the drawings in the following description are only some embodiments of the present application. For those skilled in the art, without creative efforts, other drawings can be obtained based on these drawings.

[0015] Figure 1 Structural schematic diagram of the present utility model;

[0016] Figure 2 Structural schematic diagram of the first connection component in the present utility model;

[0017] Figure 3 Structural schematic diagram of the second connection component in the present utility model;

[0018] Figure 4 Structural schematic diagram of the switching mechanism in the present utility model;

[0019] Figure 5 Structural schematic diagram of the transmission carrier in the present utility model;

[0020] Figure 6 Structural schematic diagram of the prior art;

[0021] Figure 7 Structural schematic diagram of the high-temperature pretreatment module in the prior art;

[0022] Figure 8 Structural schematic diagram of the stirring fan in the prior art.

[0023] In the figure: 1, high-temperature pretreatment machine case; 31, inner box body; 8, switchable heating device; 81, connecting seat; 86, extraction rack; 100, left panel; 200, right panel; 500, first connection component; 600, second connection component; 812, upper heating rod; 813, lower heating rod; 814, switching mechanism; 82, induction power connection post; 83, electromagnetic power connection post; 84, electric heating power connection post; 85, guide shaft rod; 88, induction connection sleeve; 89, electromagnetic connection sleeve; 810, electric heating connection sleeve; 811, limit sleeve; 87, elastic clamping mechanism; 300, vertical through groove; 8141, pressure sensor; 8142, electromagnetic chuck; 8143, cylindrical magnetic seat; 8144, transmission rod; 8145, compression spring; 8146, transmission carrier seat; 8147, upper conical seat; 8148, lower conical seat; 8149, transverse sliding seat; 81410, telescopic spring; 81411, conical groove; 38, temperature sensor; 2, tracing pipe; 3, high-temperature pretreatment module; 4, axial flow fan; 5, button; 6, solid-state relay; 7, temperature controller; 32, pipe joint; 33, needle valve; 34, high-temperature pump; 35, high-temperature flowmeter; 36, steam valve; 37, high-temperature filter; 39, stainless steel metal pipe; 310, heating pipe; 311, stirring fan. Detailed implementation mode

[0024] Next, the technical solutions in the embodiments of the present invention will be clearly and completely described in conjunction with the accompanying drawings in the embodiments of the present invention. Obviously, the described embodiments are only a part of the embodiments of the present invention, rather than all the embodiments. Based on the embodiments of the present invention, all other embodiments obtained by those of ordinary skill in the art without creative efforts shall fall within the protection scope of the present invention.

[0025] Embodiment: Refer to Figures 1 - 8A high-temperature pretreatment device for waste incineration flue gas is shown. A high-temperature pretreatment device for waste incineration flue gas includes a high-temperature pretreatment machine case 1 and an inner box body 31 fixedly connected to the inner wall of the high-temperature pretreatment machine case 1. An adjustable heating device 8 is installed inside the inner box body 31. The adjustable heating device 8 includes a connecting seat 81 and a drawing frame 86. The connecting seat 81 is bolted to the inner wall of the left side panel 100 of the inner box body 31 and is electrically connected to an external controller. The drawing frame 86 is slidably connected to the inner wall of the right side panel 200 of the inner box body 31 and corresponds to the position of the connecting seat 81. A first connecting component 500 is installed on the surface of the connecting seat 81. A second connecting component 600 is installed on the surface of the side of the drawing frame 86 close to the connecting seat 81. One end of the first connecting component 500 is slidably connected to the inner wall of one end of the second connecting component 600. Upper heating rods 812 and lower heating rods 813 are respectively and uniformly arranged on the surface of the drawing frame 86 and are arranged up and down. One end of the second connecting component 600 is respectively connected to one end of the upper heating rod 812 and the lower heating rod 813. A switching mechanism 814 is installed inside the drawing frame 86. One end of the switching mechanism 814 is connected to one end of the second connecting component 600, and the other end is respectively connected to one end of the upper heating rod 812 and the lower heating rod 813.

[0026] In this embodiment, the prior art includes a high-temperature pretreatment machine case 1, a tracing pipe 2, a high-temperature pretreatment module 3, an axial flow fan 4, a button 5, a solid-state relay 6, and a temperature controller 7. The high-temperature pretreatment module 3, the axial flow fan 4, the button 5, the solid-state relay 6, and the temperature controller 7 are installed inside the high-temperature pretreatment machine case 1. The high-temperature pretreatment module 3 includes an inner box body 31, a pipe joint 32, a needle valve 33, a high-temperature pump 34, a high-temperature flowmeter 35, a steam valve 36, a high-temperature filter 37, a temperature sensor 38, a stainless steel metal pipe 39, a heating pipe 310, and a stirring fan 311. The pipe joint 32, the needle valve 33, the high-temperature pump 34, the high-temperature flowmeter 35, the steam valve 36, and the high-temperature filter 37 are all connected to each other through the stainless steel metal pipe 39. The whole high-temperature pretreatment module 3 is heated by heat transfer, and the stirring fan 311 is used to evenly distribute the heat inside the module. After adopting the present utility model, the pretreatment of water vapor and impurities in the waste incineration flue gas is effectively solved, the loss of measured dust components is effectively reduced, and the precision analysis instruments at the rear end are effectively protected, providing guarantee for the stability of the whole device.

[0027] In this embodiment, the device is provided with an upper heating rod 812 and a lower heating rod 813. After installation, only the upper heating rod 812 is connected and powered on for use. When the upper heating rod 812 is damaged and cannot generate heat normally, the switching mechanism 814 is used to change the positions of the upper heating rod 812 and the lower heating rod 813, thereby changing the connection states of the upper heating rod 812 and the lower heating rod 813 with the electric heating connection post 84, so as to achieve the switching operation. By switching in time, it is ensured that when one set of heating rods is damaged, the other set of heating rods can be switched and operated in time, ensuring that the device operates normally without interruption during use, ensuring that the working efficiency remains unchanged, and having a good use effect.

[0028] As a preferred implementation manner in this embodiment, as Figures 1 - 8 shown, the first connection assembly 500 includes an induction connection post 82, an electromagnetic connection post 83, an electric heating connection post 84, and a guide shaft rod 85. The induction connection post 82, the electromagnetic connection post 83, the electric heating connection post 84, and the guide shaft rod 85 are sequentially arranged on the surface of the connection seat 81 close to the extraction frame 86 from top to bottom. The second connection assembly 600 includes an induction connection sleeve 88, an electromagnetic connection sleeve 89, an electric heating connection sleeve 810, and a limit sleeve 811. The induction connection sleeve 88, the electromagnetic connection sleeve 89, the electric heating connection sleeve 810, and the limit sleeve 811 are sequentially arranged on the surface of the extraction frame 86 close to the connection seat 81 from top to bottom. The induction connection post 82, the electromagnetic connection post 83, the electric heating connection post 84, and the guide shaft rod 85 are respectively corresponding in position and adapted in outer dimension to the induction connection sleeve 88, the electromagnetic connection sleeve 89, the electric heating connection sleeve 810, and the limit sleeve 811. One ends of the induction connection post 82, the electromagnetic connection post 83, the electric heating connection post 84, and the guide shaft rod 85 are respectively slidably connected to the inner walls of one ends of the induction connection sleeve 88, the electromagnetic connection sleeve 89, the electric heating connection sleeve 810, and the limit sleeve 811 and are connected.

[0029] In this embodiment, the structures and connection relationships of the first connection assembly 500 and the second connection assembly 600 are further described. Through the mutual cooperation of the first connection assembly 500 and the second connection assembly 600, it is convenient to perform power supply and power-off operations on the upper heating rod 812, the lower heating rod 813, and the switching mechanism 814, with strong practicability and good use effect.

[0030] As a preferred implementation manner in this embodiment, as Figures 1 - 8 shown, one end of the extraction frame 86 penetrates outside the high-temperature pretreatment machine case 1 and is fixedly connected to the surface of the high-temperature pretreatment machine case 1 through an elastic clamping mechanism 87. Vertical through grooves 300 for facilitating the penetration of one end of the extraction frame 86 are provided on the surface of the high-temperature pretreatment machine case 1 and the surface of the right side panel 200 of the inner box body 31. Sealing rubber strips are provided at the connection between the surface of the end of the extraction frame 86 penetrating outside the high-temperature pretreatment machine case 1 and the surface of the high-temperature pretreatment machine case 1.

[0031] In this embodiment, a drawer frame 86 is provided to facilitate subsequent extraction for maintenance and replacement, improving the maintenance efficiency. An elastic clamping mechanism 87 is provided to facilitate quick disassembly and assembly. A sealing strip is provided to improve the sealing performance and prevent hot air from escaping, resulting in good usage effects.

[0032] As a preferred implementation manner in this embodiment, as Figures 1 - 8As shown, the switching mechanism 814 includes a pressure sensor 8141, an electromagnetic chuck 8142, a cylindrical magnetic base 8143, a transmission rod 8144, a compression spring 8145, a transmission carrier seat 8146, an upper conical seat 8147, a lower conical seat 8148, a transverse sliding seat 8149, a telescopic spring 81410, and a conical groove 81411. The pressure sensor 8141, the electromagnetic chuck 8142, and the transmission rod 8144 are sequentially arranged from top to bottom on the inner wall of the extraction frame 86. The pressure sensor 8141 and the electromagnetic chuck 8142 are respectively connected to the induction connection sleeve 88 and the electromagnetic connection sleeve 89 through wires. The transmission rod 8144 is vertically slidably connected to the inner wall of the extraction frame 86 and reciprocates up and down. The top of the transmission rod 8144 is fixedly connected to a cylindrical magnetic base 8143 and slidably connected to the inner wall of the electromagnetic chuck 8142. The surface of the cylindrical magnetic base 8143 is magnetically fixed to the surface of the electromagnetic chuck 8142. One end of the cylindrical magnetic base 8143 penetrates through the top of the electromagnetic chuck 8142 and contacts the surface of the pressure sensor 8141. The bottom of the transmission rod 8144 is fixedly connected to a compression spring 8145, and the other end of the compression spring 8145 is fixedly connected to the inner wall of the extraction frame 86. The transmission carrier seats 8146 are evenly fixedly connected to the surface of the transmission rod 8144 and slidably connected to the inner wall of the extraction frame 86. The transmission carrier seats 8146 are all located between the upper heating rod 812 and the lower heating rod 813. The upper conical seat 8147 and the lower conical seat 8148 are respectively symmetrically arranged at the top left end of the transmission carrier seat 8146 and the bottom right end of the transmission carrier seat 8146. One end of each of the upper heating rod 812 and the lower heating rod 813 is slidably connected to the inner wall of the electric heating connection post 84, and the other end penetrates into the extraction frame 86 and is threadedly connected to a transverse sliding seat 8149. The two transverse sliding seats 8149 are both slidably connected to the inner wall of the extraction frame 86, and a telescopic spring 81410 is fixedly connected between the two transverse sliding seats 8149 and the inner wall of the extraction frame 86. The two transverse sliding seats 8149 are respectively located on one side of the top of the transmission carrier seat 8146 and one side of the bottom of the transmission carrier seat 8146 and are slidably connected to the outer surface of the transmission rod 8144. Transverse through grooves are respectively formed at positions on the surface of the transverse sliding seat 8149 corresponding to the position of the transmission rod 8144, and the transmission rod 8144 is slidably connected to the inner wall of the transverse through groove. Conical grooves 81411 are respectively formed at positions on the surface of the transverse sliding seat 8149 connected to the upper heating rod 812 corresponding to the position of the upper conical seat 8147 and at positions on the surface of the transverse sliding seat 8149 connected to the lower heating rod 813 corresponding to the position of the lower conical seat 8148. The upper conical seat 8147 and the lower conical seat 8148 are both adapted to the external dimensions of the conical groove 81411, and one end of each of the upper conical seat 8147 and the lower conical seat 8148 is slidably connected to the inner wall of the conical groove 81411.

[0033] In this embodiment, the structure and connection relationship of the switching mechanism 814 are further described. The switching structure is configured to change the connection state between the upper heating rod 812 and the lower heating rod 813 and the electric heating power connection post 84 by changing the positions of the upper heating rod 812 and the lower heating rod 813, so as to achieve the switching operation. By switching in time, it is ensured that when one set of heating rods is damaged, the other set of heating rods can be switched and operated in time, ensuring that the device operates continuously and normally during use, ensuring that the working efficiency remains unchanged, and having a good use effect.

[0034] As a preferred implementation manner in this embodiment, as Figures 1 - 8 shown, the number of upper conical seats 8147 is equal to the number of upper heating rods 812, the number of lower conical seats 8148 is equal to the number of lower heating rods 813, the sum of the numbers of the upper heating rods 812 and the lower heating rods 813 is equal to the number of electric heating power connection posts 84, and the sum of the numbers of the upper conical seats 8147 and the lower conical seats 8148 is equal to the number of conical grooves 81411. In the initial state, the upper heating rod 812 and the lower heating rod 813, as well as the upper conical seat 8147 and the lower conical seat 8148, are all arranged in a staggered manner. The lower conical seats 8148 are all located inside the conical grooves 81411 on the surface of the transverse sliding seat 8149 corresponding to the positions of the lower heating rods 813. The conical grooves 81411 on the surface of the transverse sliding seat 8149 corresponding to the positions of the upper heating rods 812 are not in contact with the upper conical seats 8147. One end of the lower heating rod 813 is slidably connected to the inner wall of the electric heating power connection post 84 and is in an energized state, while one end of the upper heating rod 812 is slidably connected to the inner wall of the electric heating power connection post 84 and is in a non-energized state. When the surface of the cylindrical magnetic seat 8143 is magnetically fixed to the surface of the electromagnetic chuck 8142, the upper conical seats 8147 are all located inside the conical grooves 81411 on the surface of the transverse sliding seat 8149 corresponding to the positions of the upper heating rods 812. The conical grooves 81411 on the surface of the transverse sliding seat 8149 corresponding to the positions of the lower heating rods 813 are not in contact with the lower conical seats 8148. One end of the lower heating rod 813 is slidably connected to the inner wall of the electric heating power connection post 84 and is in a non-energized state, while one end of the upper heating rod 812 is slidably connected to the inner wall of the electric heating power connection post 84 and is in an energized state.

[0035] In this embodiment, the numbers of the upper heating rod 812, the lower heating rod 813, the electric heating power connection post 84, the upper conical seat 8147, the lower conical seat 8148, and the conical groove 81411 are further limited, and the operating states of the upper heating rod 812, the lower heating rod 813, the electric heating power connection post 84, the upper conical seat 8147, the lower conical seat 8148, and the conical groove 81411 are further described.

[0036] As a preferred implementation manner in this embodiment, as Figures 1 - 8As shown, an electromagnetic switch is further provided on the surface of the connection base 81 and is electrically connected to an external controller. The electromagnetic switch is used to control whether to supply power to the induction power connection post 82, the electromagnetic power connection post 83, and the electric heating power connection post 84. The temperature data monitored by the temperature sensor 38 installed on the inner wall of the inner box body 31 is used as the trigger condition for the operation of the switching mechanism 814. After the device operates normally for a period of time, when the temperature data monitored by the temperature sensor 38 is lower than the set temperature value, the external controller determines that the heating rod in use is damaged and cannot generate heat normally, and at the same time controls the electromagnetic switch corresponding to the position of the electromagnetic power connection post 83 to close, so that the electromagnetic chuck 8142 in the switching mechanism 814 is powered off.

[0037] In this embodiment, an alarm program is built into the external controller and is triggered after the pressure sensor 8141 detects a set pressure value (i.e., zero pressure because the top of the cylindrical magnetic seat 8143 is separated from the pressure sensor 8141).

[0038] In this embodiment, setting the electromagnetic switch facilitates the power supply and power-off operations of the induction power connection post 82, the electromagnetic power connection post 83, and the electric heating power connection post 84 respectively, with good use effects. Using the temperature data monitored by the temperature sensor 38 as the trigger condition for the operation of the switching mechanism 814 facilitates timely detection and discovery, with strong practicability and good use effects. By powering off the electromagnetic chuck 8142, the connection state of the upper heating rod 812 and the lower heating rod 813 is changed, thereby realizing the switching operation and ensuring the normal use of the device, with good use effects.

[0039] Working principle of this utility model: When in use, insert the extraction rack 86 into the inner box body 31 and fixedly connect it to the surface of the high-temperature pretreatment machine case 1 through the elastic clamping mechanism 87. After the fixed connection, one end of the induction power connection column 82, the electromagnetic power connection column 83, the electric heating power connection column 84, and the guide shaft rod 85 are respectively slidably connected to the inner walls of one ends of the induction connection sleeve 88, the electromagnetic connection sleeve 89, the electric heating connection sleeve 810, and the limit sleeve 811 and are connected. One end of the upper heating rod 812 and the lower heating rod 813 are both slidably connected to the inner wall of the electric heating power connection column 84. During this process, the induction power connection column 82 and the electromagnetic power connection column 83 are first respectively connected to the induction connection sleeve 88 and the electromagnetic connection sleeve 89, and after the connection, they respectively supply power to the pressure sensor 8141 and the electromagnetic chuck 8142. The pressure sensor 8141 and the electromagnetic chuck 8142 are directly powered on and run. The electromagnetic chuck 8142 generates magnetic force after being powered on and adsorbs the cylindrical magnetic seat 8143 to move closer to the side of the electromagnetic chuck 8142 until they contact, and are magnetically fixed after the contact. During this process, the cylindrical magnetic seat 8143 moves upward and synchronously drives the transmission rod 8144, the transmission carrier seat 8146, the upper conical seat 8147, and the lower conical seat 8148 to move upward synchronously and stretch the compression spring 8145. The lower conical seat 8148 moves upward and disengages from the conical groove 81411, and under the elastic force of the telescopic spring 81410, the transverse movement slide seat 8149 connected to one end of the lower heating rod 813 moves to the right, and drives one end of the lower heating rod 813 to disengage from the power connection point on the inner wall of the electric heating power connection column 84, so that the lower heating rod 813 is in a non-powered state. At the same time, the upper conical seat 8147 moves upward and connects to the conical groove 81411 and squeezes the conical groove 81411, and synchronously drives the transverse movement slide seat 8149 connected to one end of the upper heating rod 812 to move to the left and pulls the telescopic spring 81410. The transverse movement slide seat 8149 moves to the left and synchronously drives one end of the upper heating rod 812 to connect to the power connection point on the inner wall of the electric heating power connection column 84, so that the upper heating rod 812 is in a connected and powered state. When the upper heating rod 812 is damaged and no longer generates heat after running for a period of time, when the temperature data monitored by the temperature sensor 38 installed on the inner wall of the inner box body 31 is lower than the set temperature value, the external controller determines that the upper heating rod 812 in use is damaged and cannot achieve normal heating, and at the same time controls the electromagnetic switch corresponding to the position of the electromagnetic power connection column 83 to close, so that the electromagnetic chuck 8142 in the switching mechanism 814 is powered off. The electromagnetic chuck 8142 loses magnetic force after being powered off. The cylindrical magnetic seat 8143, the transmission rod 8144, the transmission carrier seat 8146, the upper conical seat 8147, and the lower conical seat 8148 descend and reset under the elastic force of the compression spring 8145. The upper conical seat 8147 disengages from the conical groove 81411, and under the elastic force of the telescopic spring 81410, the transverse movement slide seat 8149 connected to one end of the upper heating rod 812 moves to the right, and drives one end of the upper heating rod 812 to disengage from the power connection point on the inner wall of the electric heating power connection column 84,The upper heating rod 812 is in a non-powered state, and the lower conical seat 8148 moves downward to connect with and squeeze the conical groove 81411, and synchronously drives the transverse sliding seat 8149 connected to one end of the lower heating rod 813 to move to the left and pull the telescopic spring 81410. The movement of the transverse sliding seat 8149 to the left synchronously drives one end of the lower heating rod 813 to connect with the power connection point on the inner wall of the electric heating power connection column 84, so that the lower heating rod 813 is in a connected and powered state. Through the above operations, the switching between the upper heating rod 812 and the lower heating rod 813 is completed. By timely switching, it is ensured that when one set of heating rods is damaged, the other set of heating rods can be timely switched and operated, ensuring the uninterrupted normal operation of the equipment during use, ensuring that the working efficiency remains unchanged, and having a good use effect.

[0040] Finally, it should be noted that the above are only the preferred embodiments of the present invention and are not used to limit the present invention. Although the present invention has been described in detail with reference to the foregoing embodiments, for those skilled in the art, they can still modify the technical solutions described in the foregoing embodiments, or perform equivalent replacements for some of the technical features. Any modifications, equivalent replacements, improvements, etc. made within the spirit and principle of the present invention shall be included within the protection scope of the present invention.

Claims

1. A high-temperature pretreatment device for waste incineration flue gas, comprising a high-temperature pretreatment chassis (1) and an inner box body (31) fixedly connected to the inner wall of the high-temperature pretreatment chassis (1), characterized in that: A switchable heating device (8) is installed inside the inner box (31), and the switchable heating device (8) comprises a connecting seat (81) and a drawer (86), wherein the connecting seat (81) is bolted to the inner wall of the left side panel (100) of the inner box (31) and is electrically connected to an external controller, and the drawer (86) is slidably connected to the inner wall of the right side panel (200) of the inner box (31) and corresponds to the position of the connecting seat (81), a first connecting component (500) is installed on the surface of the connecting seat (81), and a second connecting component (600) is installed on the surface of the drawer (86) on a side close to the connecting seat (81). One end of the first connecting component (500) is slidably connected to the inner wall of one end of the second connecting component (600); upper heating rods (812) and lower heating rods (813) are evenly arranged on the surface of the drawer (86) and are arranged up and down; one end of the second connecting component (600) is connected to one end of the upper heating rod (812) and one end of the lower heating rod (813); a switching mechanism (814) is installed inside the drawer (86); one end of the switching mechanism (814) is connected to one end of the second connecting component (600), and the other end is connected to one end of the upper heating rod (812) and one end of the lower heating rod (813).

2. A high-temperature pretreatment device for waste incineration flue gas according to claim 1, characterized in that: The first connection component (500) comprises an induction connection post (82), an electromagnetic connection post (83), an electric heating connection post (84) and a guide shaft rod (85), wherein the induction connection post (82), the electromagnetic connection post (83), the electric heating connection post (84) and the guide shaft rod (85) are sequentially arranged on a side surface of the connection seat (81) close to the drawer (86) from top to bottom, and the second connection component (600) comprises an induction connection sleeve (88), an electromagnetic connection sleeve (89), an electric heating connection sleeve (810) and a limit sleeve (811), wherein the induction connection sleeve (88), the electromagnetic connection sleeve (89), the electric heating connection sleeve (810) and the limit sleeve (811) The induction connection post (82), the electromagnetic connection post (83), the electric heating connection post (84) and the guide shaft rod (85) are arranged in sequence from top to bottom on a side surface of the drawer (86) close to the connection seat (81); the positions of the induction connection post (82), the electromagnetic connection post (83), the electric heating connection post (84) and the guide shaft rod (85) respectively correspond to the positions of the induction connection sleeve (88), the electromagnetic connection sleeve (89), the electric heating connection sleeve (810) and the limit sleeve (811) and the external dimensions thereof are adapted; one end of the induction connection post (82), the electromagnetic connection post (83), the electric heating connection post (84) and the guide shaft rod (85) are respectively slidably connected to the inner walls of one end of the induction connection sleeve (88), the electromagnetic connection sleeve (89), the electric heating connection sleeve (810) and the limit sleeve (811) and are connected to each other.

3. The high-temperature pretreatment device for waste incineration flue gas according to claim 1 is characterized in that: One end of the drawer (86) passes through the outside of the high-temperature pretreatment chassis (1) and is fixedly connected to the surface of the high-temperature pretreatment chassis (1) through an elastic clamping mechanism (87); the surface of the high-temperature pretreatment chassis (1) and the surface of the right side panel (200) of the inner box body (31) are both provided with a vertical through slot (300) for facilitating the passage of one end of the drawer (86); and a sealing strip is provided at the connection between the surface of the end of the drawer (86) passing through the outside of the high-temperature pretreatment chassis (1) and the surface of the high-temperature pretreatment chassis (1).

4. The high-temperature pretreatment device for waste incineration flue gas according to claim 1 is characterized in that: The switching mechanism (814) comprises a pressure sensor (8141), an electromagnetic suction cup (8142), a cylindrical magnetic seat (8143), a transmission rod (8144), a compression spring (8145), a transmission carrier (8146), an upper conical seat (8147), a lower conical seat (8148), a transverse sliding seat (8149), a telescopic spring (81410) and a conical groove (81411); the pressure sensor (8141), the electromagnetic suction cup (8142) and the transmission rod (8144) are sequentially arranged on the inner wall of the drawer (86) from top to bottom; the pressure sensor (8141) and the electromagnetic suction cup (8142) are respectively connected to the inductive connection sleeve (88) and the electromagnetic connection sleeve (89) through wires. The transmission rod (8144) is vertically slidably connected to the inner wall of the draw frame (86) and reciprocates up and down. The top of the transmission rod (8144) is fixedly connected to a cylindrical magnetic seat (8143) and is slidably connected to the inner wall of the electromagnetic suction cup (8142). The surface of the cylindrical magnetic seat (8143) is magnetically fixed to the surface of the electromagnetic suction cup (8142). One end of the cylindrical magnetic seat (8143) passes through the top of the electromagnetic suction cup (8142) and contacts the surface of the pressure sensor (8141). The bottom of the transmission rod (8144) is fixedly connected to a compression spring (8145), and the other end of the compression spring (8145) is fixedly connected to the inner wall of the draw frame (86). The transmission carrier (8146) is evenly fixedly connected to The transmission rod (8144) is slidably connected to the surface of the transmission rod (8144) and the inner wall of the draw frame (86). The transmission carrier (8146) is located between the upper heating rod (812) and the lower heating rod (813). The upper conical seat (8147) and the lower conical seat (8148) are symmetrically arranged at the top of the left end of the transmission carrier (8146) and the bottom of the right end of the transmission carrier (8146). One end of the upper heating rod (812) and the lower heating rod (813) are slidably connected to the inner wall of the electric heating connecting column (84), and the other end of each of them penetrates into the interior of the draw frame (86) and is threadedly connected to a transverse slide seat (8149). The two groups of transverse slide seats (8149) are slidably connected to the inner wall of the draw frame (86) and are fixedly connected to the inner wall of the draw frame (86). telescopic spring (81410), the two groups of transverse slides (8149) are respectively located on the top side of the transmission carrier (8146) and the bottom side of the transmission carrier (8146) and are slidably connected to the outer surface of the transmission rod (8144), the surface of the transverse slide (8149) corresponding to the position of the transmission rod (8144) is provided with a transverse through groove, the transmission rod (8144) is slidably connected to the inner wall of the transverse through groove, the surface of the transverse slide (8149) connected to the upper heating rod (812) is provided with a conical groove (81411) corresponding to the position of the upper conical seat (8147) and the surface of the transverse slide (8149) connected to the lower heating rod (813) is provided with a conical groove (81411),The upper conical seat (8147) and the lower conical seat (8148) are both compatible with the outer dimensions of the conical groove (81411), and one end of the upper conical seat (8147) and the lower conical seat (8148) are both slidably connected to the inner wall of the conical groove (81411).

5. A high-temperature pretreatment device for waste incineration flue gas according to claim 4, characterized in that: The number of the upper conical seats (8147) and the upper heating rods (812) is equal, the number of the lower conical seats (8148) and the lower heating rods (813) is equal, the sum of the number of the upper heating rods (812) and the lower heating rods (813) is equal to the number of the electric heating connecting posts (84), the sum of the number of the upper conical seats (8147) and the lower conical seats (8148) is equal to the number of the conical grooves (81411), and in the initial state, the upper heating rods (81 2) The lower heating rod (813) and the upper conical seat (8147) are all staggered with the lower conical seat (8148), the lower conical seat (8148) is located inside the conical groove (81411) on the surface of the transverse slide seat (8149) corresponding to the position of the lower heating rod (813), and the conical groove (81411) on the surface of the transverse slide seat (8149) corresponding to the position of the upper heating rod (812) is not in contact with the upper conical seat (8147). state, one end of the lower heating rod (813) is slidably connected to the inner wall of the electric heating connection column (84) and is in a powered state, one end of the upper heating rod (812) is slidably connected to the inner wall of the electric heating connection column (84) and is in a non-powered state, when the surface of the cylindrical magnetic seat (8143) and the surface of the electromagnetic suction cup (8142) are magnetically fixed, the upper conical seat (8147) is located at the transverse sliding seat (8149) corresponding to the position of the upper heating rod (812). ) on the surface of the upper heating rod (812), the conical groove (81411) on the surface of the transverse sliding seat (8149) corresponding to the position of the lower heating rod (813) is in a non-contact state with the lower conical seat (8148), one end of the lower heating rod (813) is slidably connected to the inner wall of the electric heating connecting post (84) and is in an off-power state, and one end of the upper heating rod (812) is slidably connected to the inner wall of the electric heating connecting post (84) and is in an on-power state.

6. A high-temperature pretreatment device for waste incineration flue gas according to claim 2, characterized in that: The surface of the connection seat (81) is also provided with an electromagnetic switch which is electrically connected to an external controller. The electromagnetic switch is used to control whether to supply power to the induction connection post (82), the electromagnetic connection post (83) and the electric heating connection post (84). The temperature data monitored by the temperature sensor (38) installed on the inner wall of the inner box (31) is used as a trigger condition for the operation of the switching mechanism (814). After the equipment has been operating normally for a period of time, when the temperature data monitored by the temperature sensor (38) is lower than the set temperature value, the external controller determines that the heating rod in use is damaged and cannot achieve normal heating, and simultaneously controls the electromagnetic switch corresponding to the position of the electromagnetic connection post (83) to be closed, thereby disconnecting the electromagnetic suction cup (8142) in the switching mechanism (814).

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