A waste gas treatment device in the production of waterproof membrane

Abstract

The present invention proposes a waste gas treatment device in the production of waterproof membranes, comprising a spray tank, a waste gas inlet pipe, a spray assembly, a filler ball layer, a connecting pipe, a spray rack, a nozzle and a drain pipe; the present invention is provided with a filler ball layer, which can fully increase the contact area between the waste gas and the spray liquid while increasing the contact time between the waste gas and the spray liquid, thereby further improving the purification quality of the device for the waste gas; and improving the absorption quality of tar and particulate matter in the waste gas.

Description

Technical Field

[0001] The invention relates to the technical field of waste gas treatment equipment, and in particular to a waste gas treatment device in the production of waterproof coiled materials. Background Art

[0002] In the production process of waterproof membrane, due to the high temperature of the modified asphalt ingredients and the oil-immersed part of the tire base, and the material contains a large amount of powder particles such as SBS, it is inevitable that a large amount of asphalt fume containing tar and particulate matter will be generated, and the generated asphalt fume must be purified before being discharged into the atmosphere, otherwise it will cause serious air pollution; the existing waste gas treatment device generally adopts the form of spraying the waste gas to adsorb the tar, and then uses activated carbon to adsorb the toxic gas that is not soluble in water, so as to achieve the purification of the waste gas; but in the spraying process, since most of them adopt the form of passing the waste gas into the spray tank and then directly spraying the spray head into the waste gas to absorb the tar and particulate matter in the waste gas, the waste gas and the spray liquid in this method cannot be fully in contact, resulting in the waste gas treatment device The absorption quality of tar and particulate matter in the waste gas is not very high. Summary of the invention

[0003] The purpose of the present invention is to provide an exhaust gas treatment device in the production of waterproof coiled materials to solve the problems raised by the background technology. To achieve the above purpose, the present invention provides the following technical solutions: including an exhaust gas inlet pipe connected to a spray tank, a spray assembly installed inside the spray tank, and a filler ball layer installed inside the spray tank. The spray assembly includes two spray racks connected by a connecting pipe, the filler ball layer is located between the two spray racks, and the spray rack is provided with a plurality of spray heads. The bottom of the spray tank is connected to a sewage pipe.

[0004] Furthermore, an opening and closing assembly for unloading the filling balls in the filling ball layer is provided at the bottom of the filling ball layer, a spray rack located below is installed at the bottom of the opening and closing assembly, and an opening and closing door is provided at the bottom of the spray tank.

[0005] Furthermore, the opening and closing assembly includes a plurality of support rods fixedly connected to the inner wall of the spray tank, one end of the support rod facing away from the inner wall of the spray tank is fixedly connected to a fixed seat, a plurality of fan blades are rotatably connected to the fixed seat, the fan blades are located between two adjacent support rods, and the filler balls are placed on top of the fan blades.

[0006] Furthermore, a hemisphere is provided on the top of the fixing seat.

[0007] Furthermore, one end of the fan blade facing away from the fixed seat is fixedly connected to a rotating shaft that passes through the side wall of the spray tank, and a support is fixedly connected to the outer wall of the spray tank. The rotating shaft passes through the support and is rotatably connected to the support. The end of the rotating shaft is fixedly connected to a rotating rod, the middle part of the rotating rod is connected to the rotating rod adjacent to the clockwise direction through a first connecting rod, and the bottom of the rotating rod is connected to the rotating rod adjacent to the counterclockwise direction through a second connecting rod, and the connection method of the rotating rod to the first connecting rod and the second connecting rod is a universal bearing connection method.

[0008] Furthermore, a driving rod is fixedly connected to one of the rotating rods, a sliding groove is provided on the driving rod, a supporting block is fixedly connected to the support, a driving cylinder is fixedly connected to the top of the supporting block, a driving rod is fixedly connected to the output end of the driving cylinder, the driving rod is slidably connected to the sliding groove, the driving rod is connected to the top of the supporting block through a spring, a reset baffle is fixedly connected to the bottom of the fan blade, and the top of the reset baffle is tightly attached to the support rod under the action of the spring.

[0009] Furthermore, the driving rod passes through the sliding groove, and an anti-slip platform is fixedly connected to the end of the driving rod passing through the sliding groove.

[0010] Furthermore, the top of the connecting pipe is connected to the spray liquid system through a liquid inlet pipe, the liquid inlet pipe passes through the spray tank, the connecting pipe passes through the fixed seat, and the spray rack includes a water distribution chamber connected to the connecting pipe, a plurality of spray branch pipes connected to the water distribution chamber, and a plurality of nozzles fixed to the bottom of the spray branch pipe, the spray branch pipe and the connecting rod are both made of steel pipes; the spray branch pipe located at the bottom is fixed to the support rod by a plurality of stainless steel cable ties.

[0011] Furthermore, a ladder is fixedly connected to the outer wall of the spray tank, and a feed barrel inclined upward is connected to the side wall of the spray tank above the filler ball layer. An observation window is provided at the end of the feed barrel, and the observation window and the drive rod are both close to the ladder. The axis of the feed barrel points to the center of the hemisphere.

[0012] Furthermore, a bent pipe with a downward outlet is provided at the end of the exhaust gas inlet pipe, a first air baffle is provided at the bottom of the bent pipe, a plurality of first air outlet holes are provided on the lower side wall of the bent pipe, a plurality of second air baffle plates with second air outlet holes are circumferentially distributed on the top of the first air baffle, a plurality of L-shaped plates are provided at the lower part of the bent pipe, the L-shaped plates are located above the second air baffle plates, and the L-shaped plates and the second air baffle plates are cross-arranged, and the diameter of the second air outlet hole is smaller than that of the first air outlet hole.

[0013] Furthermore, the top of the spray tank is connected to an air outlet tank, and a plurality of downwardly inclined annular condensation plates are provided inside the air outlet tank. A plurality of fixing ears are provided on the annular condensation plates, and the fixing ears pass through the air outlet tank. A refrigeration fin is fixedly connected to the fixing ears, and the refrigeration surface of the refrigeration fin is in contact with the fixing ears. The annular condensation plates are made of heat-conducting material.

[0014] Furthermore, the condensation plate is an aluminum plate, and the tank body of the gas outlet tank is made of thermal insulation material.

[0015] Furthermore, the condensation plate is connected to an air guide member via a connecting plate, the cross-section of the air guide member is trapezoidal, the bottom size of the air guide member is larger than the center hole size of the condensation plate, and a gap is provided between the side wall of the air guide member and the side wall of the condensation plate.

[0016] Furthermore, the top of the spray tank is connected to the filter tank through an air guide pipe, and a third air baffle plate is provided at the bottom of the air guide pipe, and the third air baffle plate is located at the inner bottom of the filter tank. The interior of the filter tank is provided with a first filter chamber, a second filter chamber and a third filter chamber which are connected in sequence, and the air guide pipe is connected to the first filter chamber through air holes on the tube wall close to the third air baffle plate, and a rotating assembly filled with activated carbon and breathable is provided in the third filter chamber, and the first filter chamber and the second filter chamber are both filled with soda lime layers, and the top of the third chamber is connected to a plurality of exhaust pipes.

[0017] Furthermore, the air guide pipe is connected to an air pump, and the air pump is connected to the top of the filter tank through a mounting frame.

[0018] Further, the filter tank includes an inner ring, a middle ring and an outer ring, the inner ring and the outer ring are fixedly connected by a connecting column, the gap between the inner ring and the air duct is the first filter chamber, the gap between the middle ring and the inner ring is the second filter chamber, the gap between the middle ring and the outer ring is the third filter chamber, the top of the middle ring and the outer ring are fixedly connected by a top plate, the bottom of the middle ring and the outer ring are fixedly connected by a bottom plate, a frustum is provided on the air duct, the frustum is threadedly connected to a first screw cap, the top of the first screw cap is tightly attached to the top plate, the second screw cap is threadedly connected to the bottom plate, and the end of the second screw cap is tightly attached to the inner ring.

[0019] Furthermore, a countersunk hole is provided inside the second rotary cover, and a third rotary cover is threadedly connected to the countersunk hole. The diameter of the third rotary cover is greater than or equal to the outer diameter of the inner ring.

[0020] Furthermore, the first rotating cover, the second rotating cover and the third rotating cover are each provided with a plurality of rotating handles distributed circumferentially.

[0021] Furthermore, a support platform is provided on the outer wall of the middle ring, and the rotating assembly includes a rotating frame rotatably connected to the outer wall of the middle ring and provided with a mesh at the bottom, the rotating frame is divided into a lower filter chamber and an upper filter chamber by a mesh plate, and the upper filter chamber and the lower filter chamber are both divided into a plurality of upper filter units and a lower filter unit by a plurality of partitions, and the adjacent upper filter units and the lower filter units are connected by connecting holes, and a rotating member is rotatably connected to the rotating wall of the rotating frame, and a material blocking mesh plate aligned with the connecting hole is provided on the rotating member, and the material blocking mesh plate is located above the bottom plate of the upper filter unit, and a detachable material discharge plate is provided on the side wall of the lower filter chamber, and an observation port is provided on the outer ring, and the observation port is connected to a transparent opening and closing door, and the transparent opening and closing door is aligned with the material discharge plate.

[0022] Furthermore, a sealing gasket is provided between the transparent opening and closing door and the outer ring.

[0023] Furthermore, a discharge hole is provided on the side wall of the lower filter chamber, a fixing rod is provided in the middle of the discharge hole, and the discharge plate is fixedly connected to the fixing rod by bolts.

[0024] Furthermore, the blanking plate is an arc-shaped plate, and the outer wall of the blanking plate coincides with the outer wall of the lower filter chamber.

[0025] Furthermore, a rotating platform is provided on the side wall of the lower filter unit, the rotating platform is located inside the lower filter unit, and a hidden handle is provided on the rotating platform.

[0026] Furthermore, two of the hidden handles are symmetrically distributed on the side wall of one of the lower filter units, and the blanking plate is located between the two hidden handles.

[0027] Furthermore, a lever is provided on the top of the material blocking mesh plate.

[0028] Furthermore, the observation port is L-shaped, the lower portion of the observation port is aligned with one of the lower filter units, the upper portion of the observation port is aligned with half of the upper filter unit, and the lever is aligned with the upper portion of the observation port.

[0029] Furthermore, the upper filter unit is staggered with the adjacent upper filter unit by half the distance of the upper filter unit, that is, when the adjacent upper filter unit and the lower filter unit are connected, the upper filter unit and the lower filter unit form a Z-shaped filter unit.

[0030] Compared with the prior art, the present invention has the following beneficial effects:

[0031] The present invention is provided with a filler ball layer, which can fully increase the contact area between the exhaust gas and the spray liquid while increasing the contact time between the exhaust gas and the spray liquid, thereby further improving the purification quality of the device for the exhaust gas; and improving the absorption quality of tar and particulate matter in the exhaust gas. BRIEF DESCRIPTION OF THE DRAWINGS

[0032] In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings required for use in the embodiments or the description of the prior art will be briefly introduced below. Obviously, the drawings described below are only some embodiments of the present invention. For ordinary technicians in this field, other drawings can be obtained based on these drawings without paying creative work.

[0033] Figure 1 It is a complete structural schematic diagram of the present invention;

[0034] Figure 2 is a cross-sectional schematic diagram of a spray tank;

[0035] Figure 3 It is a structural schematic diagram of the opening and closing component;

[0036] Figure 4 is a top view schematic diagram of the opening and closing component;

[0037] Figure 5 is a schematic diagram of the overall structure of the exhaust gas inlet pipe;

[0038] Figure 6 It is a structural schematic diagram of the gas outlet tank;

[0039] Figure 7 is a cross-sectional schematic diagram of a filter tank;

[0040] Figure 8 for Figure 1 The enlarged schematic diagram of point A in the middle;

[0041] Fig. 9 is a schematic diagram of the structure of the rotating assembly;

[0042] Fig.10 It is an exploded schematic diagram of the rotating component;

[0043] Fig.11 A cross-sectional schematic diagram of a rotating assembly.

[0044] Among them: 1. gas outlet tank; 101. fixing ear; 102. cooling plate; 103. annular condensing plate; 104. connecting plate; 105. air guide; 2. opening and closing assembly; 201. stainless steel tie; 202. support; 203. first connecting rod; 204. rotating shaft; 205. fan blade; 206. second connecting rod; 207. supporting rod; 208. slide groove; 209. spring; 210. supporting block; 211. driving cylinder; 212. driving rod; 213. fixing seat; 214. reset baffle; 215. rotating rod; 3. rotating assembly; 301. rotating frame; 302. rotating part; 303. hidden handle; 304. unloading plate; 305. upper filter unit; 306. lever; 307. baffle mesh; 308. partition; 309. connecting hole; 310 , lower filter unit; 311, rotating table; 312, fixing rod; 4, exhaust gas inlet pipe; 401, elbow; 402, L-shaped plate; 403, second air baffle; 404, first air baffle; 5, spray tank; 501, air guide pipe; 502, ladder; 503, observation window; 504, feed barrel; 505, sewage pipe; 506, connecting pipe; 507, spray rack; 508, spray branch pipe; 509, nozzle; 510, water distribution chamber; 6, filter tank; 601, transparent opening and closing door; 602, exhaust pipe; 603, mounting frame; 604, air pump; 605, first rotary cover; 606, round table; 607, first filter chamber; 608, second filter chamber; 609, third filter chamber; 610, rotating handle; 611, second rotary cover; 612, third rotary cover. DETAILED DESCRIPTION

[0045] In order to further explain the technical means and effects adopted by the present invention to achieve the predetermined invention purpose, the specific implementation mode, structure, characteristics and effects of the present invention are described in detail below in combination with the accompanying drawings and preferred embodiments.

[0046] Example: Please refer to Figure 1-2, a waste gas treatment device in the production of waterproof membranes, including a waste gas inlet pipe 4 connected to a spray tank 5, a spray assembly installed inside the spray tank 5, and a filler ball layer installed inside the spray tank 5. The spray assembly includes two spray racks 507 connected by a connecting pipe 506, the filler ball layer is located between the two spray racks 507, and a plurality of spray heads 509 are arranged on the spray racks 507. The bottom of the spray tank 5 is connected to a sewage pipe 505, wherein the sewage pipe 505 is connected to a sewage treatment system for treating sewage after spraying, and the sewage treatment system can adopt a conventional sewage treatment system, which will not be described in detail here; when the waste gas enters the spray tank 5, the nozzle below 509 first performs an initial purification on the waste gas, and the spray liquid located above first drips on the packing ball layer, forms a water film on the surface of the packing balls on the packing ball layer, and then falls down. In the process of the spray liquid flowing in the packing ball layer, the waste gas also rises along the surface of the packing balls. In this process, the waste gas will contact with the spray liquid, thereby performing a second adsorption of tar and particulate matter in the waste gas. Subsequently, the waste gas overflowing from the packing ball layer will be sprayed for a second time in the upper nozzle 509, further enhancing the adsorption of tar and particulate matter in the waste gas. Therefore, the present invention adopts a method of adsorbing tar and particulate matter in the waste gas three times, which fully improves the absorption quality of tar and particulate matter in the waste gas.

[0047] Please refer to Figure 3-5After the device has been used for a period of time, some impurities, such as oil and dust, will adhere to the surface of the packing balls, which will easily affect the purification quality of the exhaust gas; therefore, the packing balls need to be replaced. Since the packing balls are located in the middle of the spray tank 5 and are at a higher position, it is extremely inconvenient to unload the packing balls. Therefore, the present invention provides an opening and closing assembly 2 for unloading the packing balls in the packing ball layer at the bottom of the packing ball layer, and the spray rack 507 located below is installed at the bottom of the opening and closing assembly 2. The lower part of the spray tank 5 is provided with an opening and closing door, and the opening and closing assembly 2 includes a plurality of support rods 207 fixedly connected to the inner wall of the spray tank 5, and one end of the support rod 207 facing away from the inner wall of the spray tank 5 is fixedly connected to a fixed seat 213, and a plurality of fan blades 205 are rotatably connected to the fixed seat 213. The fan blades 205 are positioned The filler ball is placed on the top of the fan blade 205 between two adjacent support rods 207; when the fan blade 205 is rotated to make the fan blade 205 vertical, the filler ball will fall from the filler ball layer and fall into the bottom of the spray tank 5. At this time, the opening and closing door is opened to take out the filler ball that needs to be replaced, thereby facilitating the replacement of the filler ball; and a hemispherical body is provided on the top of the fixed seat 213 to prevent the filler ball that needs to be replaced from being retained on the top of the fixed seat 213; and the end of the fan blade 205 away from the fixed seat 213 is fixedly connected to the rotating shaft 204 that passes through the side wall of the spray tank 5, and the outer wall of the spray tank 5 is fixedly connected to the support 202, the rotating shaft 204 passes through the support 202 and is rotatably connected to the support 202, and the end of the rotating shaft 204 is fixedly connected to the rotating rod 215 The middle part of the rotating rod 215 is connected to the rotating rod 215 adjacent to the clockwise direction through the first connecting rod 203, and the bottom of the rotating rod 215 is connected to the rotating rod 215 adjacent to the counterclockwise direction through the second connecting rod 206. The connection method between the rotating rod 215 and the first connecting rod 203 and the second connecting rod 206 adopts a universal bearing connection method. Therefore, only one rotating rod 215 needs to be rotated to drive all the rotating rods 215 to rotate, and then all the fan blades 205 rotate synchronously, so as to realize the rapid unloading of the filling balls; in this embodiment, the fan blades 205 are provided with six pieces; in addition, a driving rod 212 is fixedly connected to one of the rotating rods 215, and a slide groove 208 is provided on the driving rod 212, and a support block is fixedly connected to the support 202 210, a driving cylinder 211 is fixedly connected to the top of the support block 210, a driving rod 212 is fixedly connected to the output end of the driving cylinder 211, the driving rod 212 is slidably connected to the slide slot 208, the driving rod 212 is connected to the top of the support block 210 through a spring 209, a reset baffle 214 is fixedly connected to the bottom of the fan blade 205, the top of the reset baffle 214 is tightly attached to the support rod 207 under the action of the spring 209, the driving rod 212 passes through the slide slot 208, and an anti-slip platform is fixedly connected to the end of the driving rod 212 passing through the slide slot 208. When the driving cylinder 211 is started, the driving rod 212 will rotate, thereby causing the rotating rod 215 to rotate, thereby causing all the rotating rods 215 to rotate, thereby realizing the rotation of the fan blade 205;When all the filling balls have fallen off, the cylinder is deflated, and the rotating rod 215 will be reset under the action of the reset spring 209, and the reset baffle 214 ensures that the fan blade 205 can be accurately reset; in addition, the reset baffle 214 plays a vibrating role, that is, the drive cylinder 211 is repeatedly started, and the reset baffle 214 and the support rod 207 collide repeatedly, thereby causing the vibration of the opening and closing component 2, so that the filling balls can fully fall off; and the top of the connecting pipe 506 is connected to the spray liquid system through the liquid inlet pipe, the liquid inlet pipe runs through the spray tank 5, the connecting pipe 506 runs through the fixed seat 213, and the spray rack 507 includes a water distribution pipe connected to the connecting pipe. The chamber 510, a plurality of spray branch pipes 508 connected to the water distribution chamber 510 and a plurality of nozzles 509 fixedly connected to the bottom of the spray branch pipe 508, the spray branch pipe 508 and the connecting rod are both made of steel pipes; the spray branch pipe 508 located at the bottom is fixedly connected to the support rod 207 through a plurality of stainless steel tie bands 201, wherein the spray liquid system adopts a common spray liquid system for adsorbing tar and particulate matter, which will not be described in detail here; and the support of the support rod 207 makes the structure of the spray rack 507 more compact; and a ladder 502 is fixedly connected to the outer wall of the spray tank 5, and a ladder 502 is fixedly connected to the side wall of the spray tank 5 located above the filler ball layer. There is a feed barrel 504 inclined upward, and an observation window 503 is provided at the end of the feed barrel 504. The observation window 503 and the driving rod 212 are both close to the ladder 502. The axis of the feed barrel 504 points to the center of the hemisphere, which is convenient for filling new filler balls, observing the filler balls during use, and repairing the opening and closing assembly 2. In addition, a bend pipe 401 with a downward outlet is provided at the end of the exhaust gas inlet pipe 4, and a first air baffle plate 404 is provided at the bottom of the bend pipe 401. A plurality of first air outlet holes are provided on the lower side wall of the bend pipe 401, and a plurality of second air baffle plates 403 with second air outlet holes are distributed circumferentially on the top of the first air baffle plate 404. A plurality of L-shaped plates 402 are provided at the lower part of the elbow 401. The L-shaped plates 402 are located above the second air baffle plate 403, and the L-shaped plates 402 and the second air baffle plate 403 are arranged crosswise, so that the exhaust gas is divided into three streams of gas with different flow rates to enter the spray tank 5, one stream is directly blown to the inner wall of the spray tank 5, one stream is blown to the inner wall of the spray tank 5 under the blocking effect of the second air outlet, and one stream is blown to the inner middle of the spray tank 5 under the effect of the second air baffle plate 403; therefore, the exhaust gas is divided into three streams, which is conducive to the uniform inflow of the exhaust gas, and the exhaust gas is made to flow into the packing ball layer as evenly as possible, thereby improving the purification quality of the exhaust gas. ;

[0048] Please refer to Figure 1 and Figure 6Since the temperature of the exhaust gas is relatively high, after being sprayed and adsorbed by the spray liquid, the exhaust gas is cooled and a large amount of water vapor is easily generated. If the exhaust gas carrying a large amount of water vapor enters the adsorption filtration of the activated carbon, the water vapor will reduce the adsorption effect of the activated carbon on the toxic gas. Therefore, the top of the spray tank 5 of the present invention is connected to the gas outlet tank 1, and the interior of the gas outlet tank is provided with a plurality of downwardly inclined annular condensation plates 103, and the annular condensation plates 103 are provided with a plurality of fixed ears 101, and the fixed ears 101 penetrate the gas outlet tank 1, and a refrigeration plate 102 is fixedly connected to the fixed ears 101, and the refrigeration surface of the refrigeration plate 102 is attached to the fixed ears 101. The annular condensation plate 103 is made of heat-conducting material, wherein the condensation plate is an aluminum plate, and the tank body of the gas outlet tank 1 is made of heat-insulating material. When the water vapor encounters the annular condensation plate 103 with a lower temperature , which will liquefy and form water droplets that fall, thereby greatly reducing the water vapor content in the exhaust gas after spraying and adsorption, and the array arrangement of four downwardly inclined annular condensation plates 103 makes the exhaust gas entering the gas outlet tank 1 have an effect similar to that of a "Tesla valve", thereby reducing the flow rate of the exhaust gas and causing turbulence, thereby making the exhaust gas fully contact with the annular condensation plate 103, thereby reducing the water vapor content in the exhaust gas; and the condensation plate is connected to an air guide 105 through a connecting plate 104, and the cross-section of the air guide 105 is trapezoidal, and the bottom size of the air guide 105 is larger than the center hole size of the condensation plate, and a gap is provided between the side wall of the air guide 105 and the side wall of the condensation plate, thereby further reducing the exhaust gas flow rate while increasing the contact area between the exhaust gas and the annular condensation plate 103, thereby further reducing the water vapor content in the exhaust gas.

[0049] Please refer to Figure 7-8In this embodiment, the top of the spray tank 5 is connected to the filter tank 6 through the air guide pipe 501, and the bottom of the air guide pipe 501 is provided with a third air baffle plate, which is located at the inner bottom of the filter tank 6. The interior of the filter tank 6 is provided with a first filter chamber 607, a second filter chamber 608 and a third filter chamber 609 which are connected in sequence. The wall of the air guide pipe 501 close to the third air baffle plate is connected to the first filter chamber 607 through air holes. The third filter chamber 609 is provided with a rotating assembly 3 filled with activated carbon and permeable. The first filter chamber 607 and the second filter chamber 608 are both filled with a soda lime layer. The top of the third chamber is connected to several The exhaust pipe 602 and the air guide pipe 501 are connected with an air pump 604, and the air pump 604 is connected to the top of the filter tank 6 through the mounting frame 603. The exhaust gas entering the filter tank 6 will flow into the first filter chamber 607, the second filter chamber 608 and the third filter chamber 609 in sequence, and will be fully dried in the first filter chamber 607 and the second filter chamber 608, and then enter the rotating component 3, and the toxic gas will be adsorbed by the activated carbon, and then it can be discharged through the exhaust pipe 602, so as to achieve complete purification of the gas; and the filter tank 6 includes an inner ring, a middle ring and an outer ring, the inner ring and the outer ring are fixedly connected by a connecting column, and the inner ring and the guide pipe are fixedly connected by a connecting column. The gap between the air pipes 501 is the first filter chamber 607, the gap between the middle circle and the inner circle is the second filter chamber 608, the gap between the middle circle and the outer circle is the third filter chamber 609, the top of the middle circle and the outer circle are fixedly connected by a top plate, and the bottom of the middle circle and the outer circle are fixedly connected by a bottom plate. A round table 606 is provided on the air guide pipe 501, and the round table 606 is threadedly connected to the first screw cover 605. The top of the first screw cover 605 is tightly attached to the top plate, and the second screw cover 611 is threadedly connected to the bottom plate. The end of the second screw cover 611 is tightly attached to the inner circle. The wet soda lime can be released by simply unscrewing the second screw cover 611, and the first screw cover 605 can be unscrewed. The dry soda lime can be filled; the replacement of the soda lime layer is made simpler; in addition, a countersunk hole is provided inside the second screw cap 611, and the third screw cap 612 is threadedly connected to the countersunk hole, and the diameter of the third screw cap 612 is greater than or equal to the outer diameter of the inner circle. Since the lower part of the soda lime layer in the first filter chamber 607 fails faster, the function of the third screw cap 612 is to quickly replace the failed soda lime there, thereby reducing the cost of using the soda lime; and the first screw cap 605, the second screw cap 611 and the third screw cap 612 are all provided with a plurality of circumferentially distributed rotating handles 610 to facilitate tightening and loosening operations.

[0050] Please refer to Figure 7-11Since the activated carbon in the lower layer loses its effectiveness quickly during use, it would be a bit wasteful to directly replace the entire activated carbon layer. Therefore, in the invention, a support platform is provided on the outer wall of the middle circle, and the rotating assembly 3 includes a rotating frame 301 rotatably connected to the outer wall of the middle circle and provided with a mesh at the bottom. The rotating frame 301 is divided into a lower filter chamber and an upper filter chamber by a mesh plate. The upper filter chamber and the lower filter chamber are divided into a plurality of upper filter units 305 and a plurality of lower filter units 310 by a plurality of partitions 308. The adjacent upper filter units 305 and the lower filter units 310 are connected by connecting holes 309. A rotating member 302 is rotatably connected to the rotating wall of the rotating frame 301, and the rotating member 302 is provided with a mesh that is aligned with the connecting hole 309. The baffle plate 307 is aligned with the bottom plate 304 of the upper filter unit 305, and a detachable blanking plate 304 is arranged on the side wall of the lower filter chamber. An observation port is arranged on the outer ring, and a transparent opening and closing door 601 is connected to the observation port. The transparent opening and closing door 601 is aligned with the blanking plate 304, and the transparent opening and closing door 601 is convenient for observing the activated carbon layer. When the activated carbon layer below is observed to be ineffective, the transparent opening and closing door 601 is opened, and the blanking plate 304 is opened, and then the activated carbon in the lower filter unit 310 is taken out from the blanking plate 304, and then the blanking plate 304 is installed, and then the rotating part 302 is rotated to remove the baffle plate 307 from the connecting hole 309, and then the activated carbon in the upper filter unit 305 is passed through The connecting hole 309 is transferred to the lower filter unit 310, and then the rotating part 302 is rotated to align the material blocking mesh plate 307 with the connecting hole 309, and then new activated carbon is added to the upper filter unit 305, thereby completing the replacement of the activated carbon in the lower filter unit 310, thereby improving the use efficiency of the activated carbon and reducing the use cost of the activated carbon; and a sealing gasket is provided between the transparent opening and closing door 601 and the outer ring to prevent the exhaust gas from flowing out; a discharge hole is provided on the side wall of the lower filter chamber, and a fixing rod 312 is provided in the middle of the discharge hole, and the discharge plate 304 is fixed to the fixing rod 312 by bolts, so as to realize the fixation of the discharge plate 304; the discharge plate 304 is an arc-shaped plate, and the outer wall of the discharge plate 304 overlaps the outer wall of the lower filter chamber. The lower filter unit 310 is provided with a rotating platform 311, and the rotating platform 311 is located inside the lower filter unit 310. The rotating platform 311 is provided with a hidden handle 303. Two hidden handles 303 are symmetrically distributed on the side wall of a lower filter unit 310. The lower filter unit 310 is provided with a rotating platform 311, and the rotating platform 311 is provided with a hidden handle 303. There are two hidden handles 303 symmetrically distributed on the side wall of the lower filter unit 310. The lower filter unit 310 is provided with a rotating platform 311, and the lower filter unit 310 is provided with a rotating platform 311. The lower filter unit 310 is provided with a rotating platform 311, and the rotating platform 311 is provided with a hidden handle 303. Thereby, the rotating frame 301 is conveniently rotated, so as to realize the replacement of the activated carbon in different lower filter units 310, and the hidden handle 303 makes the structure of the lower filter unit 310 more compact. The top of the material blocking mesh plate 307 is provided with a lever 306, which is convenient for the rotation of the rotating block, and then convenient for the rotation of the material blocking mesh plate 307.The observation port is L-shaped, the lower part of the observation port is aligned with a lower filter unit 310, the upper part of the observation port is aligned with half of the upper filter unit 305, and the lever 306 is aligned with the upper part of the observation port, so that the structure of the device is more compact; the upper filter unit 305 and the adjacent upper filter unit 305 are staggered by half of the distance of the upper filter unit 305, that is, when the adjacent upper filter unit 305 and the lower filter unit 310 are connected, the upper filter unit 305 and the lower filter unit 310 form a Z-shaped filter unit, which is convenient for the transfer of activated carbon between the upper filter unit 305 and the lower filter unit 310. ;

[0051] How it works

[0052] When the exhaust gas enters the spray tank 5, the lower nozzle 509 first performs an initial purification on the exhaust gas, and the spray liquid located above first drips on the packing ball layer, and forms a water film on the surface of the packing balls on the packing ball layer before falling down. In the process of the spray liquid flowing in the packing ball layer, the exhaust gas also rises along the surface of the packing balls. In this process, the exhaust gas will contact with the spray liquid, thereby performing a secondary adsorption of tar and particulate matter in the exhaust gas. Subsequently, the exhaust gas overflowing from the packing ball layer will be secondary sprayed in the upper nozzle 509, and then the exhaust gas will enter the gas outlet tank 1 for condensation of water vapor, and then enter the first filter chamber 607 and the second filter chamber 608 in turn for drying, and the dried exhaust gas will enter the third filter layer for adsorption of activated carbon, and finally be discharged through the exhaust pipe 602; therefore, the present invention adopts a method of adsorbing tar and particulate matter in the exhaust gas three times, which fully improves the absorption quality of tar and particulate matter in the exhaust gas.

[0053] It should be noted that when an element is referred to as being "fixed to" another element, it may be directly on the other element or there may be an element centered thereon. When an element is considered to be "connected to" another element, it may be directly connected to the other element or there may be an element centered thereon. The terms "upper", "lower", "left", "right", "front", "rear" and similar expressions used herein are for illustrative purposes only.

[0054] The above description is only a preferred embodiment of the present invention and does not limit the present invention in any form. Although the present invention has been disclosed as a preferred embodiment as above, it is not used to limit the present invention. Any technical personnel in this field can make some changes or modify the technical contents disclosed above into equivalent embodiments without departing from the scope of the technical solution of the present invention. However, any brief modifications, equivalent changes and modifications made to the above embodiments based on the technical essence of the present invention without departing from the content of the technical solution of the present invention are still within the scope of the technical solution of the present invention.

Claims

1. A waste gas treatment device in the production of waterproof coiled materials, comprising a waste gas inlet pipe (4) connected to a spray tank (5), and a spray assembly installed inside the spray tank (5), characterized in that: The spray tank (5) further comprises a packing ball layer installed inside the spray tank (5), the spray assembly comprises two spray racks (507) connected by a connecting pipe (506), the packing ball layer is located between the two spray racks (507), the spray racks (507) are provided with a plurality of spray heads (509), the bottom of the spray tank (5) is connected with a sewage pipe (505), the bottom of the packing ball layer is provided with an opening and closing assembly (2) for unloading the packing balls in the packing ball layer, the spray rack (507) located below is installed at the bottom of the opening and closing assembly (2), and the lower part of the spray tank (5) is provided with an opening and closing door; the opening and closing assembly (2) comprises a nozzle connected to the nozzle (506) and a nozzle (509) connected to the nozzle (506). The inner wall of the spray tank (5) is fixedly connected to a plurality of support rods (207); one end of the support rod (207) facing away from the inner wall of the spray tank (5) is fixedly connected to a fixed seat (213); a plurality of fan blades (205) are rotatably connected to the fixed seat (213); the fan blades (205) are located between two adjacent support rods (207); and the filler balls are placed on the tops of the fan blades (205); one end of the fan blades (205) facing away from the fixed seat (213) is fixedly connected to a rotating shaft (204) penetrating the side wall of the spray tank (5); a support (202) is fixedly connected to the outer wall of the spray tank (5); and the rotating shaft (204) penetrates the support (202). 2) and is rotatably connected to the support (202), a rotating rod (215) is fixedly connected to the end of the rotating shaft (204), the middle of the rotating rod (215) is connected to the rotating rod (215) adjacent to the clockwise direction through the first connecting rod (203), and the bottom of the rotating rod (215) is connected to the rotating rod (215) adjacent to the counterclockwise direction through the second connecting rod (206), and the connection method of the rotating rod (215) to the first connecting rod (203) and the second connecting rod (206) is a universal bearing connection method; one of the rotating rods (215) is fixedly connected to a driving rod (212), and the driving rod A slide groove (208) is provided on (212), a support block (210) is fixedly connected to the support seat (202), a driving cylinder (211) is fixedly connected to the top of the support block (210), a driving rod (212) is fixedly connected to the output end of the driving cylinder (211), the driving rod (212) is slidably connected to the slide groove (208), the driving rod (212) is connected to the top of the support block (210) through a spring (209), a reset baffle (214) is fixedly connected to the bottom of the fan blade (205), and the top of the reset baffle (214) is tightly attached to the support rod (207) under the action of the spring (209).

2. The waste gas treatment device in the production of waterproof coiled material according to claim 1, characterized in that: The top of the connecting pipe (506) is connected to the spray liquid system via a liquid inlet pipe, the liquid inlet pipe passes through the spray tank (5), the connecting pipe (506) passes through the fixing seat (213), the spray rack (507) comprises a water distribution chamber (510) connected to the connecting pipe (506), a plurality of spray branch pipes (508) connected to the water distribution chamber (510) and a plurality of nozzles (509) fixed to the bottom of the spray branch pipe (508), the spray branch pipe (508) and the connecting rod are both made of steel pipes; the spray branch pipe (508) located at the bottom is fixed to the support rod (207) via a plurality of stainless steel cable ties (201).

3. The waste gas treatment device in the production of waterproof coiled material according to claim 1, characterized in that: A ladder (502) is fixedly connected to the outer wall of the spray tank (5), and a feed cylinder (504) inclined upward is connected to the side wall of the spray tank (5) above the filler ball layer. An observation window (503) is provided at the end of the feed cylinder (504), and the observation window (503) and the driving rod (212) are both close to the ladder (502).

4. The waste gas treatment device in the production of waterproof coiled material according to claim 1, characterized in that: The top of the spray tank (5) is connected to the gas outlet tank (1), and a plurality of downwardly inclined annular condensation plates (103) are provided inside the gas outlet tank (1), and a plurality of fixing ears (101) are provided on the annular condensation plates (103). The fixing ears (101) pass through the gas outlet tank (1), and a refrigeration plate (102) is fixedly connected to the fixing ears (101). The refrigeration surface of the refrigeration plate (102) is in contact with the fixing ears (101), and the annular condensation plates (103) are made of heat-conducting material.

5. The waste gas treatment device in the production of waterproof coiled material according to claim 1, characterized in that: The top of the spray tank (5) is connected to the filter tank (6) via an air guide pipe (501); a third air baffle is provided at the bottom of the air guide pipe (501); the third air baffle is located at the inner bottom of the filter tank (6); a first filter chamber (607), a second filter chamber (608) and a third filter chamber (609) are provided inside the filter tank (6) and are connected in sequence; the air guide pipe (501) is connected to the first filter chamber (607) via air holes on the tube wall close to the third air baffle; a rotating assembly (3) filled with activated carbon and air-permeable is provided in the third filter chamber (609); both the first filter chamber (607) and the second filter chamber (608) are filled with a layer of soda lime; and the top of the third chamber is connected to a plurality of exhaust pipes (602).

6. The waste gas treatment device in the production of waterproof coiled material according to claim 5, characterized in that: The filter tank (6) comprises an inner ring, a middle ring and an outer ring, the inner ring and the outer ring are fixedly connected via a connecting column, the gap between the inner ring and the air guide tube (501) is the first filter chamber (607), the gap between the middle ring and the inner ring is the second filter chamber (608), the gap between the middle ring and the outer ring is the third filter chamber (609), the top of the middle ring and the outer ring are fixedly connected via a top plate, the bottom of the middle ring and the outer ring are fixedly connected via a bottom plate, a frustum (606) is provided on the air guide tube (501), the frustum (606) is threadedly connected to a first screw cover (605), the top of the first screw cover (605) is tightly attached to the top plate, a second screw cover (611) is threadedly connected to the bottom plate, and an end of the second screw cover (611) is tightly attached to the inner ring.

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