Partitioned treatment organic waste gas comprehensive treatment device for printing production line

Abstract

The invention discloses a printing production line organic waste gas comprehensive treatment device with a partition treatment function, and belongs to the technical field of waste gas treatment.The printing production line organic waste gas comprehensive treatment device comprises a support and a furnace body assembled on the support, the furnace body comprises two bottom boxes and heat accumulators assembled in the bottom boxes, and a partition switching unit is assembled at the bottom of the furnace body; the partition switching unit comprises a control box assembled at the bottom of the support. The outer wall of the control box is fixedly communicated with an air inlet pipe, a first air outlet pipe, a second air outlet pipe and an exhaust pipe by forming four through holes. Through the arranged partition switching unit, a Z-shaped valve plate and an attaching plate are sealed with the inner wall of the control box, a first motor is matched to drive a pull rope to be wound and unwound to precisely control the attaching plate so as to regulate and control an opening of a through hole, meanwhile, the state that the Z-shaped valve plate and the attaching plate are attached to the control box is kept during switching, and under the effect of the special shape of the Z-shaped valve plate and the attaching plate, sealing is achieved. And in the rotating process, the communication neutral position of the air inlet pipe and the exhaust pipe is avoided, and the secondary pollution problem caused by switching leakage is solved.

Description

TECHNICAL FIELD

[0001] The present application relates to the technical field of waste gas treatment, and particularly relates to a partitioned treatment printing production line organic waste gas comprehensive treatment device. BACKGROUND

[0002] With the rapid development of the printing industry, the problem of organic waste gas emission is increasingly prominent. The organic waste gas generated by the printing production line has the characteristics of large concentration fluctuation, complex composition, and discontinuous emission. The waste gas treatment of the printing industry, as a key field of organic waste gas emission, has become a core issue of global environmental protection.

[0003] At present, the regenerative thermal oxidation furnace (RTO) has become the mainstream equipment for the treatment of organic waste gas in the printing industry due to its high efficiency and energy saving characteristics.

[0004] However, the traditional RTO furnace has the following technical bottlenecks: 1. Inadequate contact: the flow path of the waste gas in the regenerator is single, the heat exchange efficiency is low, the traditional regenerator adopts a uniform pore structure, the air resistance is large and the contact area is limited, and a large amount of gas will flow upward through the gap near the inlet during the gas flow process; 2. Switching leakage: the traditional switching valve will have an idle interval during the switching process, which will cause untreated waste gas to be easily mixed into the clean gas discharge during the switching process. SUMMARY

[0005] The purpose of the present application is to solve the problem that the traditional switching valve will have an idle interval during the switching process, which will cause untreated waste gas to be easily mixed into the clean gas discharge during the switching process, and a partitioned treatment printing production line organic waste gas comprehensive treatment device is provided.

[0006] In order to achieve the above purpose, the present application adopts the following technical scheme: A partitioned treatment printing production line organic waste gas comprehensive treatment device, comprising a support and a furnace body assembled on the support, the furnace body comprising two bottom boxes and a regenerator assembled in the bottom boxes; The furnace body is provided with a partitioned switching unit, the partitioned switching unit comprises a control box assembled on the bottom of the support, four through holes are formed on the outer wall of the control box, and a gas inlet pipe, a first gas outlet pipe, a second gas outlet pipe and an exhaust pipe are fixedly connected in communication through the through holes, respectively, and the waste gas realizes sufficient contact with the regenerator through the dispersion assembly assembled at the end of the first gas outlet pipe and the second gas outlet pipe; The partitioned switching unit is rotatably connected with a switching valve, the switching valve comprises a Z-shaped valve plate, the through holes are realized full sealing when switching the gas outlet direction through the assembly of the abutting plates on both ends of the Z-shaped valve plate, and the adjustment of the opening range of the through holes is realized through the assembly of the pull rope on the abutting plate.

[0007] As a further description of the above technical scheme: The switch valve further comprises a bottom plate assembled on the bottom of the control box, a round seat is rotatably connected to the bottom plate, the bottom end of the Z-shaped valve plate is fixed on the round seat, and the two abutting plates are rotatably connected to the two ends of the Z-shaped valve plate through spring hinges, the lower surface of the round seat is assembled with two first motors, and the output end of the first motor is provided with a first winding wheel, and the two pull ropes are connected with the two first winding wheels through the Z-shaped valve plate and one end of the round seat.

[0008] As a further description of the above technical solution: The partition switching unit further comprises a speed reducer motor assembled on the control box, and the output end of the speed reducer motor is connected with the top end of the Z-shaped valve plate.

[0009] As a further description of the above technical solution: The dispersion assembly comprises a guide box fixedly connected to the bottom of the bottom box, the outlet ends of the first gas outlet pipe and the second gas outlet pipe are connected with the inlets of the two guide boxes respectively, and a plurality of L-shaped guide plates are fixed on the inner walls of the guide boxes, the L-shaped guide plates divide the inner cavities of the guide boxes into a plurality of dispersion cavities with equal inlets and equal outlets.

[0010] As a further description of the above technical solution: The furnace body further comprises a communication box assembled on the bottom box, a mesh plate is installed on the inner bottom wall of the bottom box, the bottom end of the heat accumulator is in contact with the upper surface of the mesh plate, and the inner walls of the bottom box and the communication box are both provided with thermal insulation layers, the two sides of the inner cavities of the bottom box and the communication box are combined into a first heat accumulation chamber and a second heat accumulation chamber, the middle part of the inner cavity of the communication box is a combustion chamber, and a burner is installed on the inner wall of the combustion chamber.

[0011] As a further description of the above technical solution: The honeycomb groove is provided in the heat accumulator, and the honeycomb groove is sparse at the top and dense at the bottom.

[0012] As a further description of the above technical solution: One side of the support is provided with a fan, one end of the fan is connected with the exhaust pipe, and the output end of the fan is connected with a chimney through a communication pipe.

[0013] As a further description of the above technical solution: Two regulating assemblies are assembled on the inner wall of the combustion chamber, the regulating assembly comprises a guide frame fixed on the inner wall of the combustion chamber, two sealing plates are slidably connected in the guide frame, an outer storage box matched with the sealing plate is assembled on the outer wall of the communication box, one end of the sealing plate penetrates into the outer storage box, a spring is assembled on one side wall of the outer storage box, and one end of the spring is connected with one end of the sealing plate.

[0014] As a further description of the above technical solutions: The upper surface of the communication box is provided with a second motor through a base, two second winding wheels are installed on the base through a bearing seat, one end of the two second winding wheels is fixed, and the output end of the second motor is connected with one end of one of the second winding wheels.

[0015] As a further description of the above technical solutions: The second winding wheel is wound with a traction rope, and one end of the two traction ropes is connected with the sealing plate.

[0016] As described above, due to the adoption of the above technical solutions, the beneficial effects of the present application are: The partition switching unit is provided, the Z-shaped valve plate and the lamination plate are sealed with the inner wall of the control box, the lamination plate is precisely controlled by the first motor driving the pull rope to adjust the opening of the through hole, the state of the Z-shaped valve plate and the lamination plate is kept when switching, and under the action of the special shape, the air inlet pipe and the exhaust pipe are not connected in the rotation process, the switching leakage and secondary pollution problem is solved; The multiple dispersion cavities separated in the guide box make the exhaust gas be distributed to different areas at the bottom of the heat accumulator, ensuring sufficient contact with the heat accumulator, improving heat exchange efficiency, and solving the problem of insufficient contact; At the same time, the Z-shaped valve plate rotates to realize the alternate connection of the air inlet pipe and the first / second air outlet pipe, and the air inlet / exhaust rate is adjusted by the pull rope, which is compatible with full-power high-efficiency processing and partial-shielding deep-processing mode. BRIEF DESCRIPTION OF DRAWINGS

[0017] Figure 1 The structure of the inside of the bottom box is shown in the structure schematic diagram provided by the embodiment of the present application; Figure 2 The structure of the inside of the control box is shown in the structure schematic diagram provided by the embodiment of the present application; Figure 3 The three-dimensional structure schematic diagram of the inside of the communication box is shown in the structure schematic diagram provided by the embodiment of the present application; Figure 4 The plane structure schematic diagram of the inside of the communication box is shown in the structure schematic diagram provided by the embodiment of the present application; Figure 5 The first perspective view schematic diagram of the overall structure is shown in the structure schematic diagram provided by the embodiment of the present application; Figure 6 The structure schematic diagram of the heat accumulator is shown in the structure schematic diagram provided by the embodiment of the present application; Figure 7 The second perspective view schematic diagram of the overall structure is shown in the structure schematic diagram provided by the embodiment of the present application; Figure 8 The structure schematic diagram of the regulation and control assembly is shown in the structure schematic diagram provided by the embodiment of the present application; Figure 9 Fig. 3 shows a third perspective view of the overall structure according to an embodiment of the present application; Figure 10 Fig. 4 shows a structural view of the switching valve according to an embodiment of the present application; Figure 11 Fig. 5 shows a view of the switching valve in an initial state according to an embodiment of the present application; Figure 12 Fig. 6 shows a view of the switching valve in the initial state after folding of the sticking plate according to an embodiment of the present application; Figure 13 Fig. 7 shows a view of the switching valve in a second state according to an embodiment of the present application; Figure 14 Fig. 8 shows a view of the switching valve in a third state according to an embodiment of the present application; Figure 15 Fig. 9 shows a view of the switching valve closing two through holes according to an embodiment of the present application.

[0018] Fig. 10 shows a view of the switching valve closing two through holes according to an embodiment of the present application. 10, support; 20, furnace body; 21, bottom box; 22, heat storage body; 23, communication box; 24, screen; 25, burner; 26, honeycomb groove; 30, partition switching unit; 31, control box; 32, air inlet pipe; 33, first air outlet pipe; 34, second air outlet pipe; 35, dispersion assembly; 351, guide box; 352, L-shaped guide plate; 353, dispersion cavity; 36, air outlet pipe; 37, switching valve; 371, Z-shaped valve plate; 372, sticking plate; 373, pull rope; 374, round seat; 375, first motor; 376, first winding wheel; 38, speed reducer motor; 39, fan; 40, regulation assembly; 41, guide frame; 42, sealing plate; 43, outer storage box; 44, spring; 45, second motor; 46, second winding wheel; 47, traction rope. DETAILED DESCRIPTION

[0019] The technical solutions in the embodiments of the present application will be clearly and completely described below with reference to the drawings in the embodiments of the present application. Obviously, the described embodiments are only part of the embodiments of the present application, rather than all the embodiments of the present application. Based on the embodiments in the present application, all other embodiments obtained by those skilled in the art without creative work fall within the scope of protection of the present application.

[0020] As shown in Fig. 1, Figure 1 - Figure 15 the present application provides: The application discloses a kind of partition processing printing production line organic waste gas comprehensive treatment device, including support 10 and furnace body 20 assembled on support 10, furnace body 20 includes two bottom boxes 21 and regenerator 22 assembled in bottom box 21; Furnace body 20 also includes communication box 23 assembled on bottom box 21, in particular, bottom box 21 is bolted on support 10, and communication box 23 is bolted on two bottom boxes 21, while support 10 surface is fixed with support frame, and the top end of support frame is connected with the bottom of communication box 23, in this state, when the regenerator 22 in a bottom box 21 needs to be replaced, only the bolt on the corresponding bottom box 21 is removed, and the connection between it and support 10 and communication box 23 is released, at this time, the bottom box 21 can be pulled out, it is worth noting that a receiving car can be placed outside the bottom box 21, when pulling the bottom box 21, the bottom box 21 can be directly pulled to the surface of the receiving car, this operation can take out the regenerator 22 for replacement without disassembling the furnace body 20 as a whole, and the operation is simple, the inner bottom wall of the bottom box 21 is provided with a screen plate 24, the bottom end of the regenerator 22 is in contact with the upper surface of the screen plate 24, and a heat preservation layer is arranged on the inner walls of the bottom box 21 and the communication box 23, and the two sides of the inner cavities of the bottom box 21 and the communication box 23 are combined into a first regenerator chamber and a second regenerator chamber, the middle part of the inner cavity of the communication box 23 is a combustion chamber, a burner 25 is arranged on the inner wall of the combustion chamber, preferably, the burner 25 is a natural gas burner, and natural gas is introduced for use, and the communication box 23 is provided with a combustion fan (not shown in the figure) in communication with the burner 25; The regenerator 22 is provided with a honeycomb groove 26, and the honeycomb groove 26 is sparse at the upper part and dense at the lower part, specifically, the honeycomb groove 26 is divided into two layers, the lower layer of the honeycomb groove 26 is dense and has small pores, and the upper layer of the honeycomb groove 26 is sparse and has large pores, in this state, the large pores of the upper layer of the regenerator 22 reduce air flow resistance, and the small pores of the lower layer enhance heat conduction.

[0021] As shown in Figure 1 , Figure 2 , Figure 3 and Figure 4 , the furnace body 20 is provided with a partition switching unit 30 at the bottom, the partition switching unit 30 includes a control box 31 assembled at the bottom of the support 10, four through holes are formed in the outer wall of the control box 31, and an air inlet pipe 32, a first air outlet pipe 33, a second air outlet pipe 34 and an exhaust pipe 36 are fixed in communication with the through holes; In particular, the air inlet pipe 32 is in communication with an organic waste gas pretreatment device, and the waste gas treated by the pretreatment device enters the furnace body 20 through the air inlet pipe 32 for incineration treatment; Preferably, the bottom of the air inlet pipe 32 is fixedly connected with a blowing pipe, one end of the blowing pipe is provided with a blower, during use, the exhaust gas enters the control box 31 through the air inlet pipe 32, and is guided into the first air outlet pipe 33 or the second air outlet pipe 34 under the action of the Z-shaped valve plate 371, then enters the combustion chamber for incineration after being preheated in the heat storage body 22 through the dispersion assembly 35 and the heat storage body 22, at the same time, the heat storage body 22 is cooled, then clean gas is sent into the blowing pipe through the blower, and then the clean gas is blown into the air inlet pipe 32 through the blowing pipe, so that the residual exhaust gas in the heat storage body 22 is swept into the combustion chamber for incineration, and the heat storage body 22 can be further cooled; The gas after incineration is discharged through another heat storage body 22 and the exhaust pipe 36, at this time, the heat storage body 22 is heated, and the high-temperature gas is cooled, so that the two positions of the heat storage body 22 are alternately heated or cooled by controlling the communication state (alternating communication) of the air inlet pipe 32, the first air outlet pipe 33 and the second air outlet pipe 34 through the Z-shaped valve plate 371, and the exhaust gas realizes sufficient contact with the heat storage body 22 through the dispersion assembly 35 assembled at the end of the first air outlet pipe 33 and the second air outlet pipe 34.

[0022] As shown in Figure 2 and Figure 10 , the switching valve 37 is rotatably connected in the partition switching unit 30, the switching valve 37 includes a Z-shaped valve plate 371, the through holes are realized full sealing when switching the air outlet direction through the matching plates 372 assembled at both ends of the Z-shaped valve plate 371, and the opening range of the through holes is adjusted through the pull rope 373 installed on the matching plates 372, in particular, the inner wall of the control box 31 is provided with a sealing gasket for ensuring the sealing between the Z-shaped valve plate 371 and the matching plates 372; The switching valve 37 further includes a bottom plate assembled at the bottom of the control box 31, the bottom plate is rotatably connected with a round seat 374, the bottom end of the Z-shaped valve plate 371 is fixed on the round seat 374, in particular, the top end of the round seat 374 is in the control box 31, and the outer wall of the round seat 374 is provided with a sealing gasket for ensuring the sealing between the round seat 374 and the inner wall of the control box 31, so as to ensure the sealing between the round seat 374 and the inner wall of the control box 31 during rotation of the round seat 374; , and the two matching plates 372 are rotatably connected to both ends of the Z-shaped valve plate 371 through spring hinges, it is worth noting that when the matching plate 372 blocks the through hole connected with the first air outlet pipe 33 or the second air outlet pipe 34, the gas discharged outward through the dispersion assembly 35 into the air outlet pipe cannot push the matching plate 372 to rotate, that is, the force applied by the spring hinge to make the matching plate 372 fit with the inner wall of the control box 31 is greater than the thrust of the gas at this time; The lower surface of the circular seat 374 is equipped with two first motors 375, and the output end of the first motor 375 is installed with a first winding wheel 376, and two pull ropes 373 are sequentially threaded through the Z-shaped valve plate 371 and one end of the circular seat 374 and connected with the two first winding wheels 376 respectively. In particular, the Z-shaped valve plate 371 and the circular seat 374 are both provided with guide grooves, the pull rope 373 is connected with the first winding wheel 376 after being led out from the guide groove, and the inner wall of the guide groove is also provided with a sealing gasket for ensuring the sealing between the pull rope 373 and the guide groove and avoiding the outflow of gas through the gap between the guide groove and the pull rope 373.

[0023] As shown in Figure 3 and Figure 4 , the dispersion assembly 35 includes a guide box 351 fixedly connected to the bottom of the bottom box 21, and the outlet ends of the first gas outlet pipe 33 and the second gas outlet pipe 34 are connected with the inlets of the two guide boxes 351 respectively, and a plurality of L-shaped guide plates 352 are fixed on the inner wall of the guide box 351, which divides the inner cavity of the guide box 351 into a plurality of dispersion cavities 353 with equal inlets and outlets. Specifically, when the exhaust gas enters the guide box 351 through the inlet pipe 32 and the outlet pipe, it will be dispersed into different dispersion cavities 353 under the action of the L-shaped guide plate 352, and the outlets of different dispersion cavities 353 correspond to different positions on the bottom of the heat accumulator 22, so that the exhaust gas in different cavities can contact different positions of the heat accumulator 22, thereby ensuring that the exhaust gas can fully contact the heat accumulator 22 before continuing to flow.

[0024] As shown in Figure 7 , Figure 11 , Figure 12 , Figure 13 , Figure 14 , and Figure 15 , the partition switching unit 30 further includes a reduction motor 38 assembled on the control box 31, and the output end of the reduction motor 38 is connected with the top end of the Z-shaped valve plate 371. In particular, in actual use, the rotation of the Z-shaped valve plate 371 can be controlled by starting the reduction motor 38, so as to switch the communication state between the inlet pipe 32 and the first gas outlet pipe 33 and the second gas outlet pipe 34, and the communication state between the exhaust pipe 36 and the first gas outlet pipe 33 and the second gas outlet pipe 34. It should be noted that when the inlet pipe 32 is switched to communicate with the first gas outlet pipe 33, the second gas outlet pipe 34 will be in communication with the exhaust pipe 36, and when the inlet pipe 32 is switched to communicate with the second gas outlet pipe 34, the first gas outlet pipe 33 will be in communication with the exhaust pipe 36, and so on, so that the organic exhaust gas can be intermittently sent into different positions of the dispersion assembly 35, so that the two heat accumulators 22 at different positions can be intermittently contacted with the exhaust gas. Specifically, in actual use, the Z-shaped valve plate 371 is rotated by the geared motor 38. The initial state of the Z-shaped valve plate 371 after rotation is as follows: Figure 11 As shown, in this state, the through hole corresponding to the intake pipe 32 is partially blocked, while the through hole corresponding to the first exhaust pipe 33 is fully open. This allows the pre-treated exhaust gas entering the control box 31 through the intake pipe 32 to flow quickly into the dispersion component 35, and then into the first heat storage chamber. Simultaneously, in this state, the through hole corresponding to the second exhaust pipe 34 is fully open, but the through hole corresponding to the exhaust pipe 36 is partially blocked. This allows the gas, after high-temperature combustion in the combustion chamber, to be slowly discharged through the exhaust pipe 36, thus shortening the gas's residence time in the combustion chamber and making the treatment more thorough. Also in this state, the first motor 375 controls the first winding wheel 376 to rotate clockwise, which winds up the pull rope 373. During the winding process, the bonding plate 372 is pulled to rotate, gradually releasing the obstruction of the through hole. This state is as follows... Figure 12 As shown, the intake and exhaust are at full power. The exhaust gas treatment efficiency is the highest in this state, but the exhaust gas treatment effect is slightly lower than the initial state. At the same time, one of the bonding plates 372 can be rotated independently to remove the obstruction of the through hole corresponding to the intake pipe 32 or the exhaust pipe 36. In this state, the obstruction of the through hole corresponding to the intake pipe 32 is removed, so that it is in a fully open state, so that the intake is normal while the exhaust is still restricted. Or, the obstruction of the through hole corresponding to the exhaust pipe 36 is only contacted, so that it is in a fully open state, so that the intake is restricted while the exhaust is normal. When switching the intake and exhaust directions, in the initial state described above, the Z-shaped valve plate 371 is rotated to the second state by the reduction motor 38, as follows: Figure 13 As shown, this state is the opposite of the initial state in terms of air intake and exhaust, but the degree of air intake and exhaust is the same. In this state, the intake pipe 32 is connected to the second exhaust pipe 34, while the first exhaust pipe 33 is connected to the exhaust pipe 36. Similarly, in this state, the intake and exhaust can be in full power state by winding the pull rope 373. It is worth noting that before adjusting the position of the Z-shaped valve plate 371 to switch between intake and exhaust, if the bonding plate 372 is in a folded state, the first motor 375 controls the first winding wheel 376 to rotate counterclockwise to unwind the winding rope 373. During the unwinding process, the bonding plate 372 is gradually reset to a state of contact with the inner wall of the control box 31 under the action of the spring hinge. At this time, the Z-shaped valve plate 371 is rotated by the reduction motor 38 to switch positions. During this process, the bonding plate 372, together with the Z-shaped valve plate 371, will constantly cover the through holes to prevent the through holes corresponding to the exhaust pipe 36 and the exhaust pipe from being briefly connected during the switching process. This ensures that untreated exhaust gas will not be discharged through the exhaust pipe 36 along with the purified gas during this brief interval. At the same time, the Z-shaped valve plate 371 can be rotated to completely block two of the through holes. Figure 15 As shown, in this state, air intake and exhaust are suspended; At the same time, after the Z-shaped valve plate 371 is rotated to the third state by the geared motor 38, as... Figure 14 As shown, in this state, all the through holes are partially blocked, which restricts both air intake and exhaust, and can also improve the treatment effect of exhaust gas.

[0025] like Figure 1 , Figure 2 , Figure 3 and Figure 4 As shown, a fan 39 is provided on one side of the support 10. The input end of the fan 39 is connected to one end of the exhaust pipe 36, and the output end of the fan 39 is connected to a chimney through a connecting pipe. During the treatment process, the exhaust gas is purified gas after incineration. The purified gas will be discharged from the furnace body 20 through the exhaust pipe 36 under the action of the fan 39 and discharged through the chimney.

[0026] like Figure 1 , Figure 2 , Figure 3 and Figure 4 As shown, two control components 40 are installed on the inner wall of the combustion chamber. The control components 40 include a guide frame 41 fixed on the inner wall of the combustion chamber. Two sealing plates 42 are slidably connected inside the guide frame 41. An outer storage box 43 adapted to the sealing plates 42 is installed on the outer wall of the connecting box 23. One end of the sealing plate 42 is inserted into the outer storage box 43 through the connecting box 23. In particular, a sealing gasket is provided at the end of the sealing plate 42 inserted into the outer storage box 43 to ensure the sealing between the two during its movement in the outer storage box 43. A spring 44 is installed on one side wall of the outer storage box 43, and one end of the spring 44 is connected to one end of the sealing plate 42. The upper surface of the communication box 23 is provided with a second motor 45 through a base, two second winding wheels 46 are installed on the base through a bearing seat, one end of the two second winding wheels 46 is fixed, the output end of the second motor 45 is connected with one end of one of the second winding wheels 46, the second winding wheel 46 is wound with a traction rope 47, and the two traction ropes 47 are connected with the sealing plate 42 after penetrating into the outer storage box 43. In particular, a guide pipe is installed on the communication box 23, the traction rope 47 is connected with the sealing plate 42 after penetrating into the guide pipe, and the guide pipe is arranged to control the running direction of the traction rope 47. Specifically, in actual use, the initial sealing plate 42 is in the outer storage box 43, and in this state, the guide frame 41 is in an open state, and the first heat storage chamber, the combustion chamber and the second heat storage chamber are in a communication state. When the gas flowing into the first heat storage chamber flows into the combustion chamber, the second winding wheel 46 can be controlled to rotate counterclockwise by the second motor 45 to release the traction rope 47. At this time, the sealing plate 42 gradually slides into the guide frame 41 under the action of the spring 44. At this time, the combustion chamber is separated from the first heat storage chamber and the second heat storage chamber under the cooperation of the two sealing plates 42. At this time, the gas can be fully stayed in the combustion chamber, improving the effect of incineration treatment. At the same time, the sealing plates 42 on both sides can also control the two guide frames 41 to be closed to different degrees, so that the gas inlet and outlet rates are different, thereby also increasing the residence time of the gas in the combustion chamber.

[0027] Specifically, the organic waste gas comprehensive treatment device of the printing production line in the present subzone process works / uses: 1. Start-up preparation: turn on the fan 39 to perform air extraction through the exhaust pipe 36; and ignite the burner 25 to preheat the combustion chamber; 2. Waste gas introduction: the pretreated waste gas enters the control box 31 through the air inlet pipe 32, the reduction motor 38 drives the Z-shaped valve plate 371 to rotate to the initial state, that is, the air inlet pipe 32 is partially blocked, the first air outlet pipe 33 is fully open, the waste gas is divided into the dispersion cavity 353 through the first air outlet pipe 33→the guide box 351→the L-shaped guide plate 352, and uniformly enters the first heat storage chamber heat storage body 22 for preheating; 3. Incineration treatment: the preheated waste gas enters the combustion chamber and is fully oxidized and decomposed by the burner 25; the high-temperature purified gas is cooled by the second heat storage chamber heat storage body 22, and is discharged through the second air outlet pipe 34→the exhaust pipe 36→the fan 39; 4. Switching and control: the first motor 375 controls the winding and unwinding of the pull rope 373 to adjust the blocking degree of the close plate 372, that is, the pull rope 373 is wound to make the through hole fully open in the full power state, and is unwound to keep sealing in the partial blocking state; before switching the gas path, the close plate 372 needs to be reset to avoid leakage; 5. Residence time optimization: the second motor 45 drives the slide of the sealing plate 42, the sealing plate 42 closes the guide frame 41 to separate the combustion chamber and the heat storage chamber, and prolongs the residence time of the exhaust gas; or adjusts the different openings of the two sealing plates 42 to match the difference between the intake and exhaust rates; 6. Maintenance of the heat storage body 22: when the heat storage body 22 needs to be replaced, the bolts of the bottom box 21, the support 10 and the communication box 23 are disassembled, the bottom box 21 is pulled out to a receiving vehicle to complete the replacement, and other components of the furnace body 20 do not need to be disassembled in the whole process; 7. Purging and cleaning: after the treatment cycle is completed, the air blower is started to inject clean gas into the air inlet pipe 32 through the blowing pipe, the residual exhaust gas in the heat storage body 22 is blown into the combustion chamber for secondary incineration, and the heat storage body 22 is cooled to a safe temperature.

[0028] The above is only the preferred specific implementation of the present application, but the protection scope of the present application is not limited to this. Any person skilled in the art can make equivalent replacement or change according to the technical scheme and the inventive concept of the present application within the technical range disclosed by the present application, which should be covered in the protection scope of the present application.

Claims

1. A comprehensive treatment device for organic waste gas from a printing production line with zoned processing, comprising a support frame (10) and a furnace body (20) mounted on the support frame (10), characterized in that, The furnace body (20) includes two bottom boxes (21) and a heat storage body (22) assembled in the bottom boxes (21); The furnace body (20) is equipped with a zone switching unit (30) at the bottom. The zone switching unit (30) includes a control box (31) installed at the bottom of the support (10). The outer wall of the control box (31) is fixedly connected to an air inlet pipe (32), a first air outlet pipe (33), a second air outlet pipe (34) and an exhaust pipe (36) through four through holes. The exhaust gas is fully contacted with the heat storage body (22) through the dispersion component (35) installed at the ends of the first air outlet pipe (33) and the second air outlet pipe (34). The partition switching unit (30) is rotatably connected to a switching valve (37). The switching valve (37) includes a Z-shaped valve plate (371). The through hole is fully sealed when switching the air outlet direction by the fitting plates (372) assembled at both ends of the Z-shaped valve plate (371). The pull rope (373) installed on the fitting plate (372) is used to adjust the opening range of the through hole.

2. The integrated treatment device for organic waste gas from a printing production line with zoned processing according to claim 1, characterized in that, The switching valve (37) also includes a base plate mounted on the bottom of the control box (31). A round seat (374) is rotatably connected to the base plate. The bottom end of the Z-shaped valve plate (371) is fixed on the round seat (374). Both of the bonding plates (372) are rotatably connected to the two ends of the Z-shaped valve plate (371) by spring hinges. Two first motors (375) are mounted on the lower surface of the round seat (374). The output end of the first motor (375) is equipped with a first reel (376). Two pull ropes (373) pass through the Z-shaped valve plate (371) and the round seat (374) in sequence and are connected to the two first reels (376) respectively.

3. The integrated treatment device for organic waste gas from a printing production line with zoned processing according to claim 2, characterized in that, The partition switching unit (30) also includes a geared motor (38) mounted on the control box (31), the output end of which is connected to the top of the Z-shaped valve plate (371).

4. The integrated treatment device for organic waste gas from a printing production line with zoned processing according to claim 1, characterized in that, The dispersion component (35) includes a guide box (351) fixedly connected to the bottom of the base box (21). The outlet ends of the first air outlet pipe (33) and the second air outlet pipe (34) are respectively connected to the inlets of the two guide boxes (351). A plurality of L-shaped guide plates (352) are fixed on the inner wall of the guide box (351). The L-shaped guide plates (352) divide the inner cavity of the guide box (351) into a plurality of dispersion cavities (353) with equal inlets and equal outlets.

5. The integrated treatment device for organic waste gas from a printing production line with zoned processing according to claim 1, characterized in that, The furnace body (20) also includes a connecting box (23) assembled on the bottom box (21). A mesh plate (24) is installed on the inner bottom wall of the bottom box (21). The bottom end of the heat storage body (22) is in contact with the upper surface of the mesh plate (24). Both the inner walls of the bottom box (21) and the connecting box (23) are provided with heat insulation layers. The two sides of the inner cavity of the bottom box (21) and the inner cavity of the connecting box (23) are respectively combined to form a first heat storage chamber and a second heat storage chamber. The middle part of the inner cavity of the connecting box (23) is a combustion chamber. A burner (25) is installed on the inner wall of the combustion chamber.

6. The integrated treatment device for organic waste gas from a printing production line with zoned processing according to claim 5, characterized in that, The heat storage body (22) has honeycomb grooves (26) inside, and the honeycomb grooves (26) are sparse at the top and dense at the bottom.

7. The integrated treatment device for organic waste gas from a printing production line with zoned processing according to claim 3, characterized in that, A fan (39) is provided on one side of the bracket (10). The input end of the fan (39) is connected to one end of the exhaust pipe (36), and the output end of the fan (39) is connected to a chimney through a connecting pipe.

8. The integrated treatment device for organic waste gas from a printing production line with zoned processing according to claim 5, characterized in that, Two control components (40) are installed on the inner wall of the combustion chamber. The control components (40) include a guide frame (41) fixed on the inner wall of the combustion chamber. Two sealing plates (42) are slidably connected inside the guide frame (41). An outer storage box (43) adapted to the sealing plate (42) is installed on the outer wall of the connecting box (23). One end of the sealing plate (42) is inserted into the outer storage box (43) through the connecting box (23). A spring (44) is installed on one side wall of the outer storage box (43). One end of the spring (44) is connected to one end of the sealing plate (42).

9. A comprehensive treatment device for organic waste gas from a printing production line with zoned processing according to claim 8, characterized in that, The upper surface of the connecting box (23) is equipped with a second motor (45) via a base. Two second rollers (46) are mounted on the base via bearing seats, and one end of the two second rollers (46) is fixed together. The output end of the second motor (45) is connected to one end of one of the second rollers (46).

10. A comprehensive treatment device for organic waste gas from a printing production line with zoned processing according to claim 9, characterized in that, The second reel (46) is wound with traction ropes (47), and one end of the two traction ropes (47) is inserted into the outer storage box (43) and connected to the sealing plate (42).

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