Waste gas catalytic combustion treatment device

Abstract

The utility model provides a waste gas catalytic combustion treatment device which comprises a combustion box, a filter box used for high-temperature waste gas is arranged on one side of the combustion box, a plurality of filter screens are arranged in the filter box, a flow equalizing plate is arranged on one side of the filter screens, and an activated carbon filter layer is arranged on one side of the flow equalizing plate. One side of the combustion box is connected with an air inlet pipe, one side of the filter box is connected with an air outlet pipe, the top of the combustion box is connected with a breather pipe, the other end of the breather pipe extends into the filter box, and the top of the filter box is provided with a dismounting mechanism for replacing the filter screen. The waste gas catalytic combustion treatment device provided by the utility model solves the problems that a filter box of an existing device is integrally arranged, so that a filter screen and an activated carbon filter layer in the filter box are inconvenient to disassemble and replace, and the filtering effect of the filter box on high-temperature waste gas is reduced along with the prolonging of time; the waste gas treatment efficiency of the device is reduced.

Description

Technical Field

[0001] The utility model relates to the technical field of waste gas catalytic combustion treatment, in particular to a waste gas catalytic combustion treatment device. Background Art

[0002] At present, when treating volatile organic compound waste gas, it is necessary to use catalytic combustion to burn the waste gas. Its mechanism is oxidation and thermal cracking, thermal decomposition of organic components in the waste gas to convert them into non-toxic substances.

[0003] Authorization announcement number: CN211625286U discloses a catalytic combustion treatment device for exhaust gas, in which exhaust gas is introduced into a combustion box from an air intake pipe, and a burner sprays out flames to oxidize and decompose harmful substances in the exhaust gas at high temperature. Under the action of an exhaust pump, the high-temperature exhaust gas is extracted and sent to a filter box, where it is filtered to remove impurities and then discharged. When the combustion treatment device is in use, impurities in the high-temperature exhaust gas are filtered through the cooperation of a filter screen and an activated carbon filter layer in the filter box. However, after the filter screen and the activated carbon filter layer have been used for a long time, they need to be disassembled and replaced to prevent their filtering effect from being reduced. Since the filter box of the device is an integrated arrangement, it is not convenient to disassemble and replace the filter screen and the activated carbon filter layer in the filter box, so that the filtering effect of the filter box for high-temperature exhaust gas will be reduced over time, resulting in a reduction in the treatment efficiency of the device for exhaust gas.

[0004] Therefore, it is necessary to provide a new exhaust gas catalytic combustion treatment device to solve the above technical problems. Utility Model Content

[0005] In order to solve the above technical problems, the utility model provides an exhaust gas catalytic combustion treatment device which is convenient for disassembling and replacing the filter screen and the activated carbon filter layer.

[0006] The utility model provides an exhaust gas catalytic combustion treatment device, including a combustion box, a filter box for high-temperature exhaust gas is arranged on one side of the combustion box, a plurality of filter screens are arranged inside the filter box, a flow equalizing plate is arranged on one side of the plurality of filter screens, an activated carbon filter layer is arranged on one side of the flow equalizing plate, an air inlet pipe is connected to one side of the combustion box, an air outlet pipe is connected to one side of the filter box, a ventilation pipe is connected to the top of the combustion box, the other end of the ventilation pipe extends to the inside of the filter box, and a disassembly mechanism for replacing the filter screen is arranged on the top of the filter box.

[0007] The disassembly mechanism includes a box cover, two plug plates symmetrically distributed on the left and right are fixed to the bottom of the box cover, a vertical block is fixedly connected to the top of one side of the filter box, a slot is opened on the top of the vertical block, the outer wall of the plug plate is plugged into the inner wall of the slot, a plurality of grooves are opened on one side of the plug plate, a first spring is fixedly connected to the inner wall of one side of the groove, the other end of the first spring is fixedly connected to the first limit plate, a fixing rod is fixedly connected to the outer wall of the other side of the first limit plate, a baffle is sleeved inside the groove and located on the outside of the fixing rod, the outer wall of the baffle is fixedly connected to the inner wall of the groove, the vertical block is opened with a fixing hole on the side wall of the slot, and the fixing rod extends out of the outer wall of the groove and is movably connected to the inner wall of the fixing hole.

[0008] In order to achieve the effect of applying an upward pulling force to the box cover, the utility model provides an exhaust gas catalytic combustion treatment device. Preferably, two pull rings are fixedly connected to the top of the box cover, and the two pull rings are located on the top of the box cover and are symmetrically distributed on the left and right.

[0009] In order to achieve the effect of limiting and fixing the filter screen and the bottom end of the activated carbon filter layer, the utility model provides an exhaust gas catalytic combustion treatment device. Preferably, a plurality of groups of linearly distributed fixing plates are fixed to the inner bottom wall of the filter box, and the plurality of groups of fixing plates are grouped in pairs, and the outer wall on one side of the fixing plate overlaps the outer wall on one side of the filter screen.

[0010] In order to achieve the effect of limiting and fixing the top of the filter and the activated carbon filter, the utility model provides an exhaust gas catalytic combustion treatment device, preferably, a limiting groove is opened at the bottom of the box cover, and a movable groove is opened on the side wall of the limiting groove, and a second spring is fixedly connected to the inner wall of one side of the movable groove, and a second limiting plate is fixedly connected to one end of the second spring, and a connecting rod is fixedly connected to the outer wall of one side of the second limiting plate, and two T-shaped extrusion plates are arranged inside the limiting groove, and two connecting plates are fixed to the outer wall of one side of the T-shaped extrusion plate, and a movable shaft is arranged inside the connecting rod, and one end of the movable shaft extends from the connecting rod and is fixedly connected to the outer wall of one side of the connecting plate.

[0011] Compared with the prior art, the beneficial effects of the utility model are:

[0012] The exhaust gas catalytic combustion treatment device adopts a disassembly mechanism, which can remove the box cover from the top of the filter box, and then the filter screen and the activated carbon filter layer can be taken out of the filter box for replacement to prevent the filtering effects of the two from being affected, thereby preventing the filtering effect of the filter box on high-temperature exhaust gas from being affected. This solves the problem that the filter box of the existing device is an integrated setting, which makes it inconvenient to disassemble and replace the filter screen and the activated carbon filter layer in the filter box, and then the filtering effect of the filter box on high-temperature exhaust gas will be reduced with the extension of time, resulting in the problem that the exhaust gas treatment efficiency of the device is reduced. BRIEF DESCRIPTION OF THE DRAWINGS

[0013] Figure 1 A schematic structural diagram of a preferred embodiment of the exhaust gas catalytic combustion treatment device provided by the utility model;

[0014] Figure 2 This is a schematic diagram of the connection between the filter box and the box cover of the utility model;

[0015] Figure 3 This is a schematic diagram of the internal structure of the plug board of the utility model;

[0016] Figure 4 This is a schematic diagram of the connection between the box cover and the filter screen of the utility model.

[0017] Wherein: 1. combustion box; 2. filter box; 201. box cover; 202. plug-in plate; 203. vertical block; 204. slot; 205. groove; 206. first spring; 207. first limit plate; 208. fixing rod; 209. baffle; 210. fixing hole; 211. pull ring; 212. fixing plate; 213. limit groove; 214. movable groove; 215. second spring; 216. second limit plate; 217. connecting rod; 218. T-shaped extrusion plate; 219. connecting plate; 220. movable shaft; 3. filter screen; 4. flow equalizing plate; 5. activated carbon filter layer; 6. air inlet pipe; 7. air outlet pipe; 8. ventilation pipe. DETAILED DESCRIPTION

[0018] The utility model is further described below in conjunction with the accompanying drawings and implementation modes.

[0019] Please refer to Figure 1 , Figure 2 , Figure 3 and Figure 4 ,in Figure 1 A schematic structural diagram of a preferred embodiment of the exhaust gas catalytic combustion treatment device provided by the utility model; Figure 2 This is a schematic diagram of the connection between the filter box and the box cover of the utility model; Figure 3 This is a schematic diagram of the internal structure of the plug board of the utility model; Figure 4A waste gas catalytic combustion treatment device, comprising a combustion box 1, a filter box 2 for high-temperature waste gas is arranged on one side of the combustion box 1, a plurality of filter screens 3 are arranged inside the filter box 2, a flow equalizing plate 4 is arranged on one side of the plurality of filter screens 3, an activated carbon filter layer 5 is arranged on one side of the flow equalizing plate 4, an air inlet pipe 6 is connected to one side of the combustion box 1, an air outlet pipe 7 is connected to one side of the filter box 2, a ventilation pipe 8 is connected to the top of the combustion box 1, the other end of the ventilation pipe 8 extends to the inside of the filter box 2, a disassembly mechanism for replacing the filter screen 3 is arranged on the top of the filter box 2, the disassembly mechanism comprises a box cover 201, two plug plates 202 symmetrically distributed on the left and right are fixed to the bottom of the box cover 201, and a vertical block 2 is fixedly connected to the top of one side of the filter box 2. 03, a slot 204 is provided on the top of the vertical block 203, the outer wall of the plug plate 202 is plugged into the inner wall of the slot 204, a plurality of grooves 205 are provided on one side of the plug plate 202, a first spring 206 is fixedly connected to the inner wall of one side of the groove 205, a first limit plate 207 is fixedly connected to the other end of the first spring 206, a fixing rod 208 is fixedly connected to the outer wall of the other side of the first limit plate 207, a baffle 209 is sleeved inside the groove 205 and outside the fixing rod 208, the outer wall of the baffle 209 is fixedly connected to the inner wall of the groove 205, a fixing hole 210 is provided on the side wall of the slot 204 of the vertical block 203, the fixing rod 208 extends out of the outer wall of the groove 205 and is movably connected to the inner wall of the fixing hole 210.

[0020] Through the above technical solution, the exhaust gas can flow normally in the combustion box 1 and the filter box 2 through the cooperation of the air inlet pipe 6, the air outlet pipe 7 and the ventilation pipe 8. When the filter 3 and the activated carbon filter layer 5 need to be replaced, the fixing rod 208 in the fixing hole 210 is pressed to make the fixing rod 208 disengage from the fixing hole 210 and enter the groove 205, and then the box cover 201 is pulled upward to separate the plug plate 202 from the slot 204, and then the box cover 201 can be removed from the top of the filter box 2, so that the filter 3 and the activated carbon filter layer 5 can be removed from the filter box 2 for replacement to prevent the filtering effect of the two from being affected, thereby preventing the filtering effect of the filter box 2 for high-temperature exhaust gas from being affected.

[0021] Reference Figure 1 Two pull rings 211 are fixedly connected to the top of the box cover 201. The two pull rings 211 are symmetrically distributed on the top of the box cover 201. The two pull rings 211 are convenient for applying tension to the box cover 201, making it easier to remove the box cover 201 from the top of the filter box 2.

[0022] Reference Figure 1 and Figure 4A plurality of groups of linearly distributed fixed plates 212 are fixed to the inner bottom wall of the filter box 2, and the plurality of groups of fixed plates 212 are grouped in pairs. The outer wall on one side of the fixed plate 212 overlaps the outer wall on one side of the filter screen 3. A limiting groove 213 is provided at the bottom of the box cover 201, and a movable groove 214 is provided on the side wall of the limiting groove 213 of the box cover 201. A second spring 215 is fixedly connected to the inner wall on one side of the movable groove 214, and a second limiting plate 216 is fixedly connected to one end of the second spring 215. A connecting rod 217 is fixedly connected to the outer wall on one side of the second limiting plate 216. Two T-shaped extrusion plates 218 are arranged inside the limiting groove 213, and two connecting plates 219 are fixed to the outer wall on one side of the T-shaped extrusion plate 218. A movable shaft 220 is arranged inside the connecting rod 217, and one end of the movable shaft 220 extends from the connecting rod 217 and is fixedly connected to the outer wall on one side of the connecting plate 219.

[0023] Through the above technical scheme, the bottom end of the filter screen 3 can be fixed by the fixing plate 212. When the box cover 201 is installed on the top of the filter box 2, the top end of the filter screen 3 enters the limiting groove 213. Through the action of the movable shaft 220, the T-shaped extrusion plate 218 can be rotated, so as to facilitate the top end of the filter screen 3 to enter the limiting groove 213. Through the cooperation of the T-shaped extrusion plate 218 and the second spring 215 in the movable groove 214, the top end of the filter screen 3 can be squeezed and fixed. By fixing the bottom and top ends of the filter screen 3, the filter screen 3 is made more stable in the filter box 2. Similarly, the remaining filter screens 3 and the activated carbon filter layer 5 can be fixed.

[0024] The implementation principle of an exhaust gas catalytic combustion treatment device according to an embodiment of the utility model is as follows: by adopting a disassembly mechanism, the fixing rod 208 in the fixing hole 210 is pressed to make the fixing rod 208 disengage from the fixing hole 210 and enter the groove 205, and then the box cover 201 is pulled upward to separate the plug plate 202 from the slot 204, so that the box cover 201 can be removed from the top of the filter box 2, so that the filter screen 3 and the activated carbon filter layer 5 can be removed from the filter box 2 for replacement to prevent the filtering effects of the two from being affected, thereby preventing the filtering effect of the filter box 2 for high-temperature exhaust gas from being affected.

[0025] The standard parts used in the utility model can all be purchased from the market, special-shaped parts can be customized according to the description in the specification and the drawings, the specific connection methods of each part all adopt the conventional means such as mature bolts, rivets, welding, etc. in the prior art, the machinery, parts and equipment all adopt the conventional models in the prior art, and the circuit connection adopts the conventional connection method in the prior art, which will not be described in detail here, and the components known to technical personnel in this field, their structures and principles can be known to these technical personnel through technical manuals or through conventional experimental methods.

[0026] Although the embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that various changes, modifications, substitutions and variations may be made to the embodiments without departing from the principles and spirit of the present invention, and that the scope of the present invention is defined by the appended claims and their equivalents.

Claims

1. A waste gas catalytic combustion treatment device, characterized in that: It comprises a combustion box (1), one side of which is provided with a filter box (2) for high-temperature exhaust gas, a plurality of filter screens (3) are arranged inside the filter box (2), a flow equalizing plate (4) is arranged on one side of the plurality of filter screens (3), an activated carbon filter layer (5) is arranged on one side of the flow equalizing plate (4), one side of the combustion box (1) is connected to an air inlet pipe (6), one side of the filter box (2) is connected to an air outlet pipe (7), the top of the combustion box (1) is connected to a ventilation pipe (8), the other end of the ventilation pipe (8) extends to the inside of the filter box (2), and a disassembly mechanism for replacing the filter screen (3) is arranged on the top of the filter box (2); The disassembly mechanism comprises a box cover (201), two plug plates (202) are fixed to the bottom of the box cover (201) and are symmetrically distributed on the left and right sides; a vertical block (203) is fixedly connected to the top of one side of the filter box (2); a slot (204) is provided on the top of the vertical block (203); the outer wall of the plug plate (202) is plugged into the inner wall of the slot (204); a plurality of grooves (205) are provided on one side of the plug plate (202); a first spring (206) is fixedly connected to the inner wall of one side of the groove (205); the first spring (206) is fixedly connected to the inner wall of one side of the groove (205); 06) The other end is fixedly connected to a first limit plate (207), the other side outer wall of the first limit plate (207) is fixedly connected to a fixing rod (208), a baffle (209) is sleeved inside the groove (205) and located outside the fixing rod (208), the outer wall of the baffle (209) is fixedly connected to the inner wall of the groove (205), the vertical block (203) is provided with a fixing hole (210) on the side wall of the slot (204), and the fixing rod (208) extends out of the outer wall of the groove (205) and is movably connected to the inner wall of the fixing hole (210).

2. The exhaust gas catalytic combustion treatment device according to claim 1, characterized in that: Two pull rings (211) are fixedly connected to the top of the box cover (201), and the two pull rings (211) are located on the top of the box cover (201) and are symmetrically distributed on the left and right.

3. The exhaust gas catalytic combustion treatment device according to claim 1, characterized in that: A plurality of groups of linearly distributed fixing plates (212) are fixed to the inner bottom wall of the filter box (2), and the plurality of groups of fixing plates (212) are grouped in pairs, and the outer wall of one side of the fixing plates (212) overlaps the outer wall of one side of the filter screen (3).

4. The exhaust gas catalytic combustion treatment device according to claim 1, characterized in that: A limiting groove (213) is provided at the bottom of the box cover (201), and a movable groove (214) is provided on the side wall of the limiting groove (213) of the box cover (201); a second spring (215) is fixedly connected to the inner wall of one side of the movable groove (214); one end of the second spring (215) is fixedly connected to a second limiting plate (216); a connecting rod (217) is fixedly connected to the outer wall of one side of the second limiting plate (216); two T-shaped extrusion plates (218) are provided inside the limiting groove (213); two connecting plates (219) are fixed to the outer wall of one side of the T-shaped extrusion plate (218); a movable shaft (220) is provided inside the connecting rod (217); one end of the movable shaft (220) extends out of the connecting rod (217) and is fixedly connected to the outer wall of one side of the connecting plate (219).

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