A regenerative thermal oxidizer

Abstract

The present application relates to the technical field of incinerators, and discloses a regenerative thermal incinerator, which includes a frame, a furnace body, a burner, an exhaust gas introduction fan, a rotary distribution valve, and a central channel. A pneumatic driving mechanism is installed on the frame. The pneumatic driving mechanism includes a first vertical shaft rotatably connected to the top of the frame, a rotating plate fixedly connected to the top of the first vertical shaft, a ratchet wheel fixedly connected to the bottom of the central channel, and a limiting plate sleeved and fixed on the outer side wall of the central channel; a first cylinder is hinged to the top of the frame, and the piston rod of the first cylinder is hinged to one end of the rotating plate away from the central channel; a second vertical shaft is rotatably connected to the top of the rotating plate, and a pawl is sleeved and fixed on the side wall of the second vertical shaft. The pawl cooperates with the ratchet wheel; a fixing block is fixedly connected to the top of the rotating plate, and a first spring for resetting the pawl is arranged between the fixing block and the pawl; a limiting component for limiting the limiting plate is installed on the top of the frame. The present application can improve the opening and closing efficiency of the rotary distribution valve.

Description

Technical Field

[0001] This application relates to the technical field of incinerators, and particularly to a regenerative thermal incinerator. Background Art

[0002] Currently, an exhaust gas incinerator is a device that uses the heat generated by the combustion of auxiliary fuel to raise the temperature of combustible harmful gases to the reaction temperature, thereby causing oxidative decomposition; there are direct combustion type and regenerative type exhaust gas incinerators; actually, the principles of the direct combustion type and the regenerative type are the same, and the difference is only the distinction of whether there is heat storage material in the furnace chamber; the exhaust gas incinerator is suitable for the exhaust gas treatment of spraying and drying equipment, and the purification of harmful gases emitted from industries such as petrochemical and medicine.

[0003] The prior art can refer to the Chinese utility model patent with the authorization announcement number CN214275764U, which discloses a rotary multi-chamber RTO, including a furnace body, a burner is arranged at the top of the furnace body, a combustion chamber and a heat storage chamber are arranged inside the furnace body, and a rotary distribution valve is connected below the heat storage chamber, an air outlet chamber is arranged at the bottom of the furnace body, an exhaust gas introduction fan is connected to the left side of the furnace body, an air outlet fan is arranged on the right side of the furnace body, a jet nozzle is also arranged inside the furnace body, and a protection mechanism is arranged outside the rotary distribution valve. Some rotary distribution valves in the prior art also adopt an RTO rotary valve that can achieve indexing rotation. The RTO rotary valve that can achieve indexing rotation can refer to the Chinese utility model patent with the authorization announcement number CN212004485U, which includes a rotary valve body, and a rotatable central channel is provided inside the rotary valve body; a indexing drive mechanism for driving the rotation of the central channel is arranged at the bottom end of the central channel; the indexing drive mechanism includes a divider and a motor fixedly installed on the divider; cam rollers are arranged on the output shaft of the motor and the bottom end of the central channel, a transmission shaft is arranged inside the divider, and cams that are respectively matched with the cam rollers on the output shaft of the motor and the cam rollers on the central channel are arranged on the transmission shaft.

[0004] However, the above central channel is driven by a motor, cams and cam rollers. Compared with pneumatic drive, the response speed of the motor drive is slower, which will reduce the opening and closing efficiency of the rotary distribution valve. Summary of the Invention

[0005] This application provides a regenerative thermal incinerator, which can improve the opening and closing efficiency of the rotary distribution valve, and adopts the following technical scheme:

[0006] A regenerative thermal incinerator, comprising a frame, a furnace body, a burner, an exhaust gas inlet fan, a rotary distribution valve and a central channel. An air-driven mechanism for driving the central channel to rotate is installed on the frame. The air-driven mechanism includes a first vertical shaft rotatably connected to the top of the frame, a rotating plate fixedly connected to the top of the first vertical shaft, a ratchet fixedly connected to the bottom of the central channel, and a limiting plate sleeved and fixed on the outer side wall of the central channel. A first cylinder is hinged to the top of the frame, and the piston rod of the first cylinder is hinged to one end of the rotating plate away from the central channel. A second vertical shaft is rotatably connected to the top of the rotating plate, and a ratchet pawl is sleeved and fixed on the side wall of the second vertical shaft. The ratchet pawl cooperates with the ratchet. A fixed block is fixedly connected to the top of the rotating plate, and a first spring for resetting the ratchet pawl is arranged between the fixed block and the ratchet pawl. A limiting component for quickly limiting the limiting plate is installed on the top of the frame.

[0007] By adopting the above technical solution, when it is necessary to drive the central channel to rotate, first start the first cylinder. At this time, the piston rod of the first cylinder drives the rotating plate to rotate. The rotation of the rotating plate drives the ratchet pawl to rotate. The rotation of the ratchet pawl drives the ratchet to rotate, and the rotation of the ratchet can drive the central channel to rotate. Moreover, the rotation of the central channel will also drive the limiting plate to rotate, and then the limiting component quickly limits the limiting plate, which can improve the stability of the central channel. In addition, when the limiting plate is limited, first start the first cylinder. At this time, the piston rod of the first cylinder drives the rotating plate to reset, and then the ratchet pawl resets under the action of the first spring, so as to facilitate preparing for driving the ratchet to rotate next time. In summary, the provided air-driven mechanism facilitates quickly driving the central channel to rotate, thereby improving the opening and closing efficiency of the rotary distribution valve.

[0008] Optionally, the limiting component includes a second cylinder installed on the top of the frame, a third vertical shaft rotatably connected to the top of the frame, and a limiting rod installed on the top of the third vertical shaft. One end of the limiting rod is hinged to the piston rod of the second cylinder, and the other end is fixedly connected with a plug block. A plurality of slots are sequentially formed in the circumferential direction of the circumferential surface of the limiting plate, and the plug block can be inserted into the slots.

[0009] By adopting the above technical solution, when it is necessary to quickly limit the limiting plate, first start the second cylinder. At this time, the piston rod of the second cylinder drives the limiting rod to rotate. The rotation of the limiting rod drives the plug block to rotate, which facilitates the insertion of the plug block into the slot, thereby quickly limiting the limiting plate. In summary, the provided limiting component facilitates quickly limiting the limiting plate.

[0010] Optionally, heat dissipation holes are formed in the top of the frame, a filter plate is arranged in the heat dissipation holes, and a first cooling mechanism is installed at the bottom of the frame.

[0011] By adopting the above technical solution, the central channel will be affected by the high temperature of the furnace body. The arranged heat dissipation holes and the first cooling mechanism facilitate the cooling of the central channel; the arranged filter plate can play a certain role in protection and preventing objects from falling.

[0012] Optionally, the first cooling mechanism includes a fourth vertical shaft fixedly connected to the bottom of the first vertical shaft, a first gear sleeved and fixed on the side wall of the fourth vertical shaft, a fifth vertical shaft rotatably connected to the bottom of the frame, and a second gear sleeved and fixed on the side wall of the fifth vertical shaft; the first gear meshes with the second gear; a plurality of first fan blades are fixedly connected to the side wall of the fifth vertical shaft.

[0013] By adopting the above technical solution, the rotation of the rotating plate drives the rotation of the first vertical shaft, the rotation of the first vertical shaft drives the rotation of the fourth vertical shaft, the rotation of the fourth vertical shaft drives the rotation of the first gear, the rotation of the first gear drives the rotation of the second gear, the rotation of the second gear drives the rotation of the fifth vertical shaft, and the rotation of the fifth vertical shaft drives the rotation of the first fan blades. At this time, under the action of the heat dissipation holes, it is convenient to cool the central channel; in summary, the arranged first cooling mechanism facilitates the cooling of the central channel.

[0014] Optionally, a second cooling mechanism is installed on the side wall of the frame, and the second cooling mechanism is arranged corresponding to the fifth vertical shaft.

[0015] By adopting the above technical solution, the arranged second cooling mechanism facilitates further cooling of the central channel.

[0016] Optionally, the second cooling mechanism includes a horizontal pipe rotatably connected to one side of the frame, a plurality of second fan blades installed on the outer side wall of the horizontal pipe, and a driving rod arranged inside the horizontal pipe; one end of the driving rod penetrates through one side of the frame; a plurality of spiral blocks are fixedly connected to the side wall of the driving rod, a plurality of spiral grooves are formed on the inner wall of the horizontal pipe, and the plurality of spiral blocks are in one-to-one correspondence and match with the plurality of spiral grooves; a driving component for driving the driving rod to move is installed on the fifth vertical shaft.

[0017] By adopting the above technical solution, when the fifth vertical shaft rotates, at this time, the fifth vertical shaft drives the driving rod to move under the action of the driving component, and then the driving rod drives the horizontal pipe to rotate under the action of the spiral blocks and the spiral grooves, and the rotation of the horizontal pipe drives the rotation of the second fan blades, so as to cool the central channel; in summary, the arranged second cooling mechanism facilitates further cooling of the central channel.

[0018] Optionally, the driving assembly includes a third gear fixedly connected to the bottom of the fifth vertical shaft and a rack engaged with the third gear; one end of the rack away from the third gear is fixedly connected with a connecting plate, and one end of the driving rod away from the frame is fixedly connected to one end of the connecting plate away from the rack; a second spring is fixedly connected to one side of the connecting plate, and one end of the second spring away from the connecting plate is fixedly connected to one side of the frame.

[0019] By adopting the above technical solution, the rotation of the fifth vertical shaft drives the rotation of the third gear, the rotation of the third gear drives the movement of the rack, the movement of the rack drives the movement of the connecting plate, and the movement of the connecting plate can drive the movement of the driving rod; in summary, the provided driving assembly facilitates the driving of the driving rod to move.

[0020] Optionally, a cleaning mechanism for cleaning the filter plate is installed at the bottom of the filter plate, and the cleaning mechanism is arranged corresponding to the connecting plate.

[0021] By adopting the above technical solution, the provided cleaning mechanism facilitates the cleaning of the filter plate, which can reduce the possibility of the holes of the filter plate being blocked by dust, thus facilitating air flow.

[0022] Optionally, the cleaning mechanism includes a bracket installed at the bottom of the filter plate, a moving rod penetrating and slidably connected to the bracket, and a sliding sleeve fixedly connected to one side of the moving rod; a guide rod is fixedly connected to the bottom of the bracket, the sliding sleeve is slidably connected to the guide rod, and a limiting ring is threadedly connected to the bottom of the guide rod; a third spring is arranged between the sliding sleeve and the bracket; a bearing plate is fixedly connected to the bottom of the moving rod, and a spherical surface is arranged at the bottom of the bearing plate, and the spherical surface matches the top of the connecting plate.

[0023] By adopting the above technical solution, when the connecting plate moves to contact the spherical surface, if the connecting plate continues to move at this time, then the connecting plate drives the bearing plate to move upward under the action of the spherical surface, the upward movement of the bearing plate drives the upward movement of the moving rod, and the upward movement of the moving rod can impact the filter plate, thereby facilitating the cleaning of the filter plate; in summary, the provided cleaning mechanism facilitates the cleaning of the filter plate.

[0024] Optionally, a protective cylinder is threadedly connected to the top of the moving rod.

[0025] By adopting the above technical solution, the provided protective cylinder facilitates the protection of the top of the moving rod.

[0026] In summary, the present application includes at least one of the following beneficial technical effects:

[0027] 1. When it is necessary to drive the central channel to rotate, first start the first cylinder. At this time, the piston rod of the first cylinder drives the rotating plate to rotate. The rotation of the rotating plate drives the ratchet pawl to rotate, and the rotation of the ratchet pawl pushes the ratchet wheel to rotate, and the rotation of the ratchet wheel can drive the central channel to rotate. Moreover, the rotation of the central channel will also drive the limiting plate to rotate, and then the limiting component is used to quickly limit the limiting plate, which can improve the stability of the central channel. In addition, after the limiting plate is limited, first start the first cylinder. At this time, the piston rod of the first cylinder drives the rotating plate to reset, and then the ratchet pawl resets under the action of the first spring, which is convenient for preparing to drive the ratchet wheel to rotate next time. In summary, the pneumatic drive mechanism is set up to facilitate quickly driving the central channel to rotate, thereby improving the opening and closing efficiency of the rotary distribution valve.

[0028] 2. When it is necessary to quickly limit the limiting plate, first start the second cylinder. At this time, the piston rod of the second cylinder drives the limiting rod to rotate, and the rotation of the limiting rod drives the insert block to rotate, which is convenient for the insert block to be inserted into the slot, so as to quickly limit the limiting plate. In summary, the limiting component is set up to facilitate quickly limiting the limiting plate.

[0029] 3. The central channel will be affected by the high temperature of the furnace body. The heat dissipation holes and the first cooling mechanism are set up to facilitate cooling the central channel. The filter plate provided can play a certain role in protection and preventing objects from falling. Description of the Drawings

[0030] Figure 1 It is a schematic diagram of the overall structure of an embodiment of the present application.

[0031] Figure 2 It is a schematic diagram of the structure highlighting the pneumatic drive mechanism in an embodiment of the present application.

[0032] Figure 3 It is an exploded view highlighting the ratchet wheel in an embodiment of the present application.

[0033] Figure 4 It is a schematic diagram of the structure highlighting the first cooling mechanism in an embodiment of the present application.

[0034] Figure 5 It is a schematic diagram of the structure highlighting the second cooling mechanism in an embodiment of the present application.

[0035] Figure 6 It is a schematic diagram of the structure highlighting the connection between the horizontal pipe and the drive rod in an embodiment of the present application.

[0036] Figure 7 It is a schematic diagram of the structure highlighting the cleaning mechanism in an embodiment of the present application.

[0037] Reference numerals: 1, frame; 11, furnace body; 12, burner; 13, exhaust gas inlet fan; 14, rotary distribution valve; 15, central channel; 16, heat dissipation holes; 17, filter plate; 2, pneumatic drive mechanism; 21, first vertical shaft; 22, rotating plate; 23, ratchet wheel; 24, limiting plate; 25, first cylinder; 26, second vertical shaft; 27, ratchet pawl; 28, fixed block; 29, first spring; 3, limiting assembly; 31, second cylinder; 32, third vertical shaft; 33, limiting rod; 34, inserting block; 35, inserting slot; 4, first cooling mechanism; 41, fourth vertical shaft; 42, first gear; 43, fifth vertical shaft; 44, second gear; 45, first fan blade; 5, second cooling mechanism; 51, horizontal pipe; 511, spiral groove; 52, second fan blade; 53, driving rod; 531, spiral block; 6, driving assembly; 61, third gear; 62, rack; 63, connecting plate; 64, second spring; 65, support plate; 7, cleaning mechanism; 71, bracket; 72, moving rod; 73, sliding sleeve; 74, guide rod; 75, limiting ring; 76, third spring; 77, bearing plate; 771, spherical surface; 78, protective cylinder. Detailed implementation manners

[0038] The following details the implementation manners of the present application, and examples of the implementation manners are shown in the drawings.

[0039] In the description of this specification, the description with reference to the terms "certain implementation manners", "one implementation manner", "some implementation manners", "schematic implementation manners", "examples", "specific examples", or "some examples" means that the specific features, structures, materials, or characteristics described in connection with the implementation manner or example are included in at least one implementation manner or example of the present application. In this specification, the schematic expressions of the above terms do not necessarily refer to the same implementation manner or example. Moreover, the specific features, structures, materials, or characteristics described can be combined in a suitable manner in any one or more implementation manners or examples.

[0040] An embodiment of the present application discloses a regenerative thermal oxidizer, referring to Figure 1 and Figure 2 , including a frame 1, a furnace body 11, a burner 12, an exhaust gas inlet fan 13, a rotary distribution valve 14, and a central channel 15. A pneumatic drive mechanism 2 for driving the rotation of the central channel 15 is installed on the frame 1.

[0041] Referring to Figure 2 and Figure 3, the pneumatic driving mechanism 2 includes a first vertical shaft 21 vertically and rotatably connected to the top of the frame 1 through a bearing, a rotating plate 22 horizontally and fixedly connected to the top of the first vertical shaft 21, a ratchet wheel 23 fixedly connected to the bottom of the central channel 15, and a limiting plate 24 sleeved and fixed on the outer side wall of the central channel 15; a first cylinder 25 is hinged to the top of the frame 1, and the piston rod of the first cylinder 25 is hinged to one end of the rotating plate 22 away from the central channel 15; a second vertical shaft 26 is vertically and rotatably connected to the top of the rotating plate 22 through a bearing, a pawl 27 is sleeved and fixed on the side wall of the second vertical shaft 26, and the pawl 27 cooperates with the ratchet wheel 23; a fixing block 28 is fixedly connected to the top of the rotating plate 22, and a first spring 29 for resetting the pawl 27 is arranged between the fixing block 28 and the pawl 27, and two ends of the first spring 29 are respectively fixedly connected to the fixing block 28 and the pawl 27; a limiting component 3 for quickly limiting the limiting plate 24 is installed on the top of the frame 1. When it is necessary to drive the central channel 15 to rotate, first start the first cylinder 25. At this time, the piston rod of the first cylinder 25 drives the rotating plate 22 to rotate. The rotation of the rotating plate 22 drives the pawl 27 to rotate. The rotation of the pawl 27 pushes the ratchet wheel 23 to rotate, and the rotation of the ratchet wheel 23 can drive the central channel 15 to rotate; furthermore, the rotation of the central channel 15 will also drive the limiting plate 24 to rotate, and then the limiting plate 24 is quickly limited by the limiting component 3, so as to improve the stability of the central channel 15; in addition, after the limiting plate 24 is limited, first start the first cylinder 25. At this time, the piston rod of the first cylinder 25 drives the rotating plate 22 to reset, and then the pawl 27 resets under the action of the first spring 29, so as to facilitate the preparation for driving the ratchet wheel 23 to rotate next time; in summary, the provided pneumatic driving mechanism 2 is convenient for quickly driving the central channel 15 to rotate, thereby improving the opening and closing efficiency of the rotary distribution valve 14.

[0042] Refer to Figure 2 and Figure 3 , the limiting component 3 includes a second cylinder 31 installed on the top of the frame 1, a third vertical shaft 32 vertically and rotatably connected to the top of the frame 1 through a bearing, and a limiting rod 33 installed on the top of the third vertical shaft 32; one end of the limiting rod 33 is hinged to the piston rod of the second cylinder 31, and the other end is fixedly connected with a plug block 34. A plurality of slots 35 are sequentially arranged on the circumferential surface of the limiting plate 24 along its circumferential direction, and the plug block 34 is inserted into different slots 35 as the limiting plate 24 rotates. When it is necessary to quickly limit the limiting plate 24, first start the second cylinder 31. At this time, the piston rod of the second cylinder 31 drives the limiting rod 33 to rotate. The rotation of the limiting rod 33 drives the plug block 34 to rotate, so as to facilitate the insertion of the plug block 34 into the slot 35, thereby quickly limiting the limiting plate 24; in summary, the provided limiting component 3 is convenient for quickly limiting the limiting plate 24.

[0043] Refer to Figure 1 and Figure 4, a heat dissipation hole 16 is provided at the top of the frame 1, a filter plate 17 is arranged in the heat dissipation hole 16, and a first cooling mechanism 4 is installed at the bottom of the frame 1. The central channel 15 will be affected by the high temperature of the furnace body 11. The provided heat dissipation hole 16 and the first cooling mechanism 4 facilitate cooling the central channel 15; the provided filter plate 17 can play a certain role in protection and preventing objects from falling.

[0044] Referring to Figure 4 and Figure 5 , the first cooling mechanism 4 includes a fourth vertical shaft 41 fixedly connected to the bottom of the first vertical shaft 21, a first gear 42 sleeved and fixed on the side wall of the fourth vertical shaft 41, two fifth vertical shafts 43 vertically rotatably connected to the bottom of the frame 1 through bearings, and two second gears 44 sleeved and fixed on the side walls of the two fifth vertical shafts 43 respectively; the first gear 42 meshes with the two second gears 44; a plurality of first fan blades 45 are fixedly connected to the side wall of each fifth vertical shaft 43. The rotation of the rotating plate 22 drives the rotation of the first vertical shaft 21, the rotation of the first vertical shaft 21 drives the rotation of the fourth vertical shaft 41, the rotation of the fourth vertical shaft 41 drives the rotation of the first gear 42, the rotation of the first gear 42 drives the rotation of the second gear 44, the rotation of the second gear 44 drives the rotation of the fifth vertical shaft 43, and the rotation of the fifth vertical shaft 43 drives the rotation of the first fan blades 45. At this time, under the action of the heat dissipation hole 16, it is convenient to cool the central channel 15; in summary, the provided first cooling mechanism 4 facilitates cooling the central channel 15.

[0045] Referring to Figure 4 and Figure 5 , second cooling mechanisms 5 are respectively installed on both sides of the frame 1, and the two groups of second cooling mechanisms 5 are arranged corresponding to the two fifth vertical shafts 43. The provided second cooling mechanisms 5 facilitate further cooling of the central channel 15.

[0046] Referring to Figure 4 and Figure 5 , the second cooling mechanism 5 includes a horizontal pipe 51 horizontally rotatably connected to one side of the frame 1 through a bearing, a plurality of second fan blades 52 installed on the outer side wall of the horizontal pipe 51, and a driving rod 53 arranged in the horizontal pipe 51; one end of the driving rod 53 penetrates through one side of the frame 1; a plurality of spiral blocks 531 are fixedly connected to the side wall of the driving rod 53, a plurality of spiral grooves 511 are opened on the inner wall of the horizontal pipe 51, and the plurality of spiral blocks 531 are in one-to-one correspondence and match with the plurality of spiral grooves 511; a driving component 6 for driving the driving rod 53 to move is installed on the fifth vertical shaft 43. When the fifth vertical shaft 43 rotates, at this time, the fifth vertical shaft 43 drives the driving rod 53 to move under the action of the driving component 6, and then the driving rod 53 drives the horizontal pipe 51 to rotate under the action of the spiral blocks 531 and the spiral grooves 511, and the rotation of the horizontal pipe 51 drives the second fan blades 52 to rotate, so as to cool the central channel 15; in summary, the provided second cooling mechanisms 5 facilitate further cooling of the central channel 15.

[0047] Refer to Figure 5 and Figure 6 Figure 6 , the driving assembly 6 includes a third gear 61 fixedly connected to the bottom of the fifth vertical shaft 43 and a rack 62 meshing with the third gear 61; one end of the rack 62 away from the third gear 61 is fixedly connected with a connecting plate 63, and one end of the driving rod 53 away from the frame 1 is fixedly connected to one end of the connecting plate 63 away from the rack 62; a second spring 64 is fixedly connected to one side of the connecting plate 63, and one end of the second spring 64 away from the connecting plate 63 is fixedly connected to one side of the frame 1; a support plate 65 is fixedly connected to the bottom of the frame 1, and the connecting plate 63 is slidably connected to the top of the support plate 65 in the horizontal direction. The rotation of the fifth vertical shaft 43 drives the rotation of the third gear 61, the rotation of the third gear 61 drives the movement of the rack 62, the movement of the rack 62 drives the movement of the connecting plate 63, and the movement of the connecting plate 63 can drive the movement of the driving rod 53; in summary, the provided driving assembly 6 facilitates the driving of the driving rod 53 to move.

[0048] Refer to Figure 5 and Figure 7 Figure 7 , a cleaning mechanism 7 for cleaning the filter plate 17 is installed at the bottom of the filter plate 17, and the cleaning mechanism 7 is arranged corresponding to the connecting plate 63. The provided cleaning mechanism 7 facilitates the cleaning of the filter plate 17, which can reduce the possibility of dust blocking the holes of the filter plate 17, thus facilitating air flow.

[0049] Refer to Figure 5 and Figure 7 Figure 7 , the cleaning mechanism 7 includes a bracket 71 installed at the bottom of the filter plate 17, a moving rod 72 penetrating and vertically slidably connected to the bracket 71, and a sliding sleeve 73 fixedly connected to one side of the moving rod 72; a guide rod 74 is fixedly connected to the bottom of the bracket 71, the sliding sleeve 73 is vertically slidably connected to the guide rod 74, and a limiting ring 75 is threadedly connected to the bottom of the guide rod 74; a third spring 76 is vertically arranged between the sliding sleeve 73 and the bracket 71; a bearing plate 77 is fixedly connected to the bottom of the moving rod 72, a spherical surface 771 is arranged at the bottom of the bearing plate 77, and the spherical surface 771 is matched with the top of the connecting plate 63; a protective cylinder 78 is threadedly connected to the top of the moving rod 72. When the connecting plate 63 moves to contact the spherical surface 771, if the connecting plate 63 continues to move at this time, then the connecting plate 63 drives the bearing plate 77 to move upward under the action of the spherical surface 771, the upward movement of the bearing plate 77 drives the upward movement of the moving rod 72, and the upward movement of the moving rod 72 can impact the filter plate 17, thus facilitating the cleaning of the filter plate 17; in summary, the provided cleaning mechanism 7 facilitates the cleaning of the filter plate 17.

[0050] Working principle: When it is necessary to drive the central channel 15 to rotate, first start the first cylinder 25. At this time, the piston rod of the first cylinder 25 drives the rotating plate 22 to rotate. The rotation of the rotating plate 22 drives the ratchet pawl 27 to rotate. The rotation of the ratchet pawl 27 pushes the ratchet wheel 23 to rotate, and the rotation of the ratchet wheel 23 can drive the central channel 15 to rotate. Moreover, the rotation of the central channel 15 will also drive the limit plate 24 to rotate. Then start the second cylinder 31. At this time, the piston rod of the second cylinder 31 drives the limit rod 33 to rotate. The rotation of the limit rod 33 drives the insertion block 34 to rotate, which facilitates the insertion of the insertion block 34 into the insertion slot 35, so as to quickly limit the limit plate 24, thereby improving the stability of the central channel 15. In addition, after the limit plate 24 is limited, first start the first cylinder 25. At this time, the piston rod of the first cylinder 25 drives the rotating plate 22 to reset, and then the ratchet pawl 27 resets under the action of the first spring 29, so as to facilitate the preparation for driving the ratchet wheel 23 to rotate next time. In summary, the pneumatic drive mechanism 2 provided facilitates the quick driving of the central channel 15 to rotate, thereby improving the opening and closing efficiency of the rotary distribution valve 14.

[0051] Although the embodiments of the present application have been shown and described above, it can be understood that the above embodiments are exemplary and should not be construed as limiting the present application. Those of ordinary skill in the art can make changes, modifications, substitutions, and variations to the above embodiments within the scope of the present application.

Claims

1. A regenerative thermal incinerator, comprising a frame (1), a furnace body (11), a burner (12), an exhaust gas inlet fan (13), a rotary distribution valve (14), and a central channel (15), characterized in that, A pneumatic driving mechanism (2) for driving the rotation of the central channel (15) is installed on the frame (1). The pneumatic driving mechanism (2) includes a first vertical shaft (21) rotatably connected to the top of the frame (1), a rotating plate (22) fixedly connected to the top of the first vertical shaft (21), a ratchet wheel (23) fixedly connected to the bottom of the central channel (15), and a limiting plate (24) sleeved and fixed on the outer sidewall of the central channel (15); a first air cylinder (25) is hinged to the top of the frame (1), and the piston rod of the first air cylinder (25) is hinged to one end of the rotating plate (22) away from the central channel (15); a second vertical shaft (26) is rotatably connected to the top of the rotating plate (22), a pawl (27) is sleeved and fixed on the sidewall of the second vertical shaft (26), and the pawl (27) cooperates with the ratchet wheel (23); a fixing block (28) is fixedly connected to the top of the rotating plate (22), and a first spring (29) for resetting the pawl (27) is arranged between the fixing block (28) and the pawl (27); a limiting component (3) for quickly limiting the limiting plate (24) is installed on the top of the frame (1). A heat dissipation hole (16) is opened at the top of the frame (1), a filter plate (17) is arranged in the heat dissipation hole (16), and a first cooling mechanism (4) is installed at the bottom of the frame (1). The first cooling mechanism (4) includes a fourth vertical shaft (41) fixedly connected to the bottom of the first vertical shaft (21), a first gear (42) sleeved and fixed on the sidewall of the fourth vertical shaft (41), a fifth vertical shaft (43) rotatably connected to the bottom of the frame (1), and a second gear (44) sleeved and fixed on the sidewall of the fifth vertical shaft (43); the first gear (42) meshes with the second gear (44); a plurality of first fan blades (45) are fixedly connected to the sidewall of the fifth vertical shaft (43). A second cooling mechanism (5) is installed on the sidewall of the frame (1), and the second cooling mechanism (5) is arranged corresponding to the fifth vertical shaft (43). The second cooling mechanism (5) includes a horizontal pipe (51) rotatably connected to one side of the frame (1), a plurality of second fan blades (52) installed on the outer sidewall of the horizontal pipe (51), and a driving rod (53) arranged in the horizontal pipe (51); one end of the driving rod (53) penetrates through one side of the frame (1); a plurality of spiral blocks (531) are fixedly connected to the sidewall of the driving rod (53), a plurality of spiral grooves (511) are opened on the inner wall of the horizontal pipe (51), and the plurality of spiral blocks (531) are in one-to-one correspondence and match with the plurality of spiral grooves (511); a driving component (6) for driving the driving rod (53) to move is installed on the fifth vertical shaft (43). The driving assembly (6) includes a third gear (61) fixedly connected to the bottom of the fifth vertical shaft (43) and a rack (62) meshing with the third gear (61); one end of the rack (62) away from the third gear (61) is fixedly connected with a connecting plate (63), and one end of the driving rod (53) away from the frame (1) is fixedly connected to one end of the connecting plate (63) away from the rack (62); one side of the connecting plate (63) is fixedly connected with a second spring (64), and one end of the second spring (64) away from the connecting plate (63) is fixedly connected to one side of the frame (1).

2. The regenerative thermal oxidizer according to claim 1, wherein The limiting assembly (3) includes a second cylinder (31) installed on the top of the frame (1), a third vertical shaft (32) rotatably connected to the top of the frame (1), and a limiting rod (33) installed on the top of the third vertical shaft (32); one end of the limiting rod (33) is hinged to the piston rod of the second cylinder (31), and the other end is fixedly connected with a plug (34). A plurality of slots (35) are sequentially formed in the circumferential direction of the circumferential surface of the limiting plate (24), and the plug (34) can be inserted into the slots (35).

3. A regenerative thermal oxidizer according to claim 1, characterized in that, A cleaning mechanism (7) for cleaning the filter plate (17) is installed at the bottom of the filter plate (17), and the cleaning mechanism (7) is arranged corresponding to the connecting plate (63).

4. The regenerative thermal oxidizer according to claim 3, wherein, The cleaning mechanism (7) includes a bracket (71) installed at the bottom of the filter plate (17), a moving rod (72) penetrating and slidably connected to the bracket (71), and a sliding sleeve (73) fixedly connected to one side of the moving rod (72); a guide rod (74) is fixedly connected to the bottom of the bracket (71), the sliding sleeve (73) is slidably connected to the guide rod (74), and a limiting ring (75) is threadedly connected to the bottom of the guide rod (74); a third spring (76) is arranged between the sliding sleeve (73) and the bracket (71); a bearing plate (77) is fixedly connected to the bottom of the moving rod (72), and a spherical surface (771) is arranged at the bottom of the bearing plate (77), and the spherical surface (771) is matched with the top of the connecting plate (63).

5. The regenerative thermal oxidizer according to claim 4, characterized in that, A protective cylinder (78) is threadedly connected to the top of the moving rod (72).

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