CN217248024U - Vertical waste gas catalytic oxidation device - Google Patents
Vertical waste gas catalytic oxidation device Download PDFInfo
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- CN217248024U CN217248024U CN202220636535.8U CN202220636535U CN217248024U CN 217248024 U CN217248024 U CN 217248024U CN 202220636535 U CN202220636535 U CN 202220636535U CN 217248024 U CN217248024 U CN 217248024U
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Abstract
The utility model relates to the technical field of waste gas treatment, and discloses a vertical waste gas catalytic oxidation device, which comprises an oxidation main body, wherein the top of the oxidation main body is provided with an air inlet, and the bottom of the oxidation main body is provided with an air outlet; a plurality of catalyst boxes are arranged in the oxidation main body along the height direction of the oxidation main body; the catalyst box and the oxidation main body are arranged in a detachable sliding manner; the catalyst box comprises an upper top cover, a lower bottom plate and side plates, wherein the upper top cover and the lower bottom plate are movably connected through a turnover cover; the upper top cover and the lower bottom plate are both provided with a net structure only allowing waste gas to pass through; catalyst particles are arranged in the catalyst box. The utility model can facilitate the supplement or replacement of catalyst particles, and can also prevent the waste problem caused by the scattering and omission of catalyst particles; the flow speed of the waste gas is increased, the contact time and the contact area of the waste gas and the catalyst are improved, and finally the catalytic oxidation reaction efficiency of the waste gas is improved.
Description
Technical Field
The utility model relates to a waste gas treatment technical field especially relates to a vertical waste gas catalytic oxidation device.
Background
At present, the treatment methods for organic waste gas mainly include adsorption and desorption methods, low-temperature plasma methods, regenerative catalytic oxidation methods, regenerative thermal incineration methods, catalytic oxidation methods, thermal incineration methods, and the like. Among them, the catalytic oxidation method is an emerging technology for treating high concentration organic exhaust gas which has been developed gradually in recent years. The term "oxidation" in the narrow sense means a chemical reaction between oxygen and other elements, and is also an important chemical unit process, and refers to a process of losing electrons (increasing oxidation number) of a substance in a broad sense, and the term "catalytic oxidation" refers to an oxidation reaction carried out by using air, oxygen, ozone and the like as oxidants through catalysts, and has the advantages of complete degradation, no secondary pollution, low energy consumption and raw material consumption, and the like.
The existing catalyst oxidation device can not protect the packed catalyst after the catalyst is packed into the catalyst packing box, so that the catalyst packing box is arranged in an oxidation main body or the catalyst oxidation process is omitted to cause waste. In addition, the integrally used catalyst is not convenient for daily cleaning or replacement, and can cause higher labor intensity for workers. Chinese utility model patent with publication number CN207674462U discloses a high concentration organic waste gas catalytic oxidation device, including the casing, and install draught fan, heater and the catalytic chamber that connects gradually in the casing, the draught fan input links to each other with the waste gas import that sets up on the casing lateral wall, and the output and the heater input of draught fan are connected, be equipped with the catalytic bed layer of multilayer along catalytic chamber direction of height interval arrangement in the catalytic chamber, the catalytic bed layer includes uncovered drawer type box body and arranges the catalyst in the drawer type box body. Although the device uses a split type catalyst bed layer, the catalyst is easily scattered and omitted in the drawer type box body to cause waste, and the phenomenon is more easily caused when gas is introduced from bottom to top.
SUMMERY OF THE UTILITY MODEL
In order to solve the technical problem that the catalyst easily scatters, omits and causes the waste, the utility model provides a vertical waste gas catalytic oxidation device, the catalyst box of adoption not only can protect the catalyst, and convenient extraction, change effectively reduce the waste of catalyst, reduce cost moreover.
The utility model has the following specific technical scheme: the utility model provides a vertical waste gas catalytic oxidation device, which comprises an oxidation main body, wherein the top of the oxidation main body is provided with an air inlet, and the bottom of the oxidation main body is provided with an air outlet; a plurality of catalyst boxes are arranged in the oxidation main body along the height direction of the oxidation main body; the catalyst box and the oxidation main body are detachably arranged in a sliding manner; the catalyst box comprises an upper top cover, a lower bottom plate and side plates, wherein the upper top cover and the lower bottom plate are movably connected through a turnover cover; the upper top cover and the lower bottom plate are both provided with a net structure only allowing waste gas to pass through; catalyst particles are arranged in the catalyst box.
The utility model discloses the dismantlement of well catalyst box and oxidation main part slides and sets up extraction, the change that makes things convenient for the catalyst box to be different from the drawer type catalyst box among the prior art, be equipped with the last top cap that can upwards turn at catalyst box top, make things convenient for the replenishment or the change of catalyst granule, also can prevent scattering, the omission of catalyst granule and cause extravagant problem. In order to ensure that the waste gas passes through, a net structure is arranged on the upper top cover and the lower bottom plate of the catalyst box, and the net structure is used for avoiding the passing of catalyst particles. In addition, the passing mode of the waste gas in the oxidation main body is from top to bottom, so that the waste gas can be allowed to pass through in a large range of flow velocity, and the oxidation reaction speed of the waste gas and the catalyst in the oxidation device is improved; if the catalyst box passes through the catalyst box from bottom to top, the upper top cover is pushed open by the waste gas with larger flow rate, and the waste problem of the catalyst is also caused by the phenomenon. Therefore, the utility model discloses can effectively solve the protection problem of catalyst granule, and can improve catalytic oxidation reaction rate.
Preferably, the number of the catalyst boxes is not less than 3 and the adjacent catalyst boxes are arranged at equal intervals.
The arrangement of the catalyst cartridge is particularly important for the catalytic oxidation apparatus, which affects the flow rate of exhaust gas passing therethrough and the catalytic oxidation efficiency.
Preferably, a fan positioned below the catalyst box is further arranged in the oxidation main body; the fan is connected and controlled by a controller arranged on the outer side wall of the oxidation main body.
Preferably, the fan comprises a fan blade, a driving shaft and a fixing frame which are fixedly connected in sequence from top to bottom; the fixed frame is provided with a through hole for waste gas to pass through.
Preferably, the fan is an exhaust fan or a blower.
The network structure of catalyst box and the inside catalyst granule of filling can obstruct the passing through of waste gas to a certain extent, lead to the velocity of flow of waste gas not good, and when the fan was the air exhauster, the inside negative pressure that forms can increase waste gas velocity of flow, and then improves the catalytic oxidation reaction rate of waste gas. When the fan is the air blower, on the premise of ensuring that the waste gas still passes through from top to bottom, the air blowing to a certain degree is helpful for the catalyst particles to move in the catalyst box due to the action of air convection, so that the contact time and the contact area of the waste gas and the catalyst can be improved, and the catalytic treatment efficiency of the waste gas is further improved. Meanwhile, in this case, the upper top cover of the catalyst box is not ejected, and the protective effect on the catalyst particles can be still ensured.
Preferably, one of the side plates can block the opening, a handle is arranged towards the outer side of the oxidation main body, and the rest side plates are tightly attached to the inner side wall of the oxidation main body.
The handle facilitates better drawing and sliding of the catalyst box, and is convenient to replace; the side plates are tightly attached, so that effective catalytic oxidation reaction can be carried out after the waste gas passes through.
Preferably, the detachable sliding device is provided with a sliding groove on the inner side wall of the oxidation main body, and panels are arranged on the outer side walls of two opposite side plates of the catalyst box matched with the sliding groove.
Preferably, the upper cap includes a hinge part and a shielding plate movable by the hinge part.
Preferably, the upper cover and the catalyst box are connected by a hinge member; the protection plate comprises a net structure and a fixing block connected with the net structure.
The fixed block is used for making things convenient for the guard plate to move about along with articulated part, can rely on the fixed block to carry upwards to draw and cover down under.
Compared with the prior art, the utility model discloses following technological effect has:
(1) the catalyst particles can be supplemented or replaced conveniently, and the problem of waste caused by scattering and omission of the catalyst particles can be prevented;
(2) the flow speed of the waste gas is increased, the contact time and the contact area of the waste gas and the catalyst are improved, and finally the catalytic oxidation reaction efficiency of the waste gas is improved.
Drawings
FIG. 1 is a schematic structural diagram of a vertical catalytic oxidation device for exhaust gas according to the present invention;
FIG. 2 is a schematic structural diagram of a catalyst box of the present invention;
fig. 3 is a schematic structural diagram of the middle blower of the present invention.
The reference signs are: the device comprises an oxidation main body 1, a catalyst box 2, an air inlet 3, an air outlet 4, an upper top cover 5, a side plate 6, a hinged part 7, a net structure 8, a fixed block 9, a handle 10, a panel 11, a chute 12, a controller 13, a fan 14, fan blades 15, a driving shaft 16 and a fixed frame 17.
Detailed Description
The present invention will be further described with reference to the following examples. The devices, connections, and methods referred to in this disclosure are those well known in the art, unless otherwise indicated.
Example 1
As shown in fig. 1, a vertical catalytic oxidation device for waste gas comprises an oxidation main body 1, wherein the top of the oxidation main body 1 is provided with a gas inlet 3, the bottom of the oxidation main body is provided with a gas outlet 4, and waste gas passes through the oxidation main body 1 from top to bottom. Be equipped with the catalyst box 2 that 3 equidistance set up along the direction of height in the oxidation main part 1, catalyst box 2 includes flip swing joint's last top cap 5, lower plate and encloses 4 curb plates 6 of locating on top cap 5, lower plate periphery, realizes dismantling the slip between catalyst box 2 and oxidation main part 1 through panel 11 on the curb plate 6 lateral wall and spout 12 on the oxidation main part 1 inside wall, makes things convenient for the embedding installation and the change of catalyst box. One of the 4 side plates 6 can block the opening and is provided with a handle 10 towards the outer side of the oxidation main body 1, the rest side plates 6 are tightly attached to the inner side wall of the oxidation main body 1, and the panel 11 is arranged on the outer side walls of the rest side plates 6 which are oppositely arranged.
To ensure that the exhaust gases pass through the catalyst cartridge 2, both the upper top cover 5 and the lower bottom plate are provided with a mesh structure 8, as shown in fig. 2. Catalyst particles are arranged in the catalyst box 2, and the upper top cover 5 which is movably connected with the turnover cover plays a role in protecting the catalyst particles and facilitates the supplement and replacement of the catalyst particles. The upper top cover 5 comprises a hinge part 7 and a protection plate which is turned upwards by means of the hinge part 7, the hinge part 7 is arranged on one side of the upper top cover 5, which is close to the inner side of the oxidation main body 1, and the upper top cover 5 is connected with the catalyst box 2 through the hinge part 7. The guard plate includes network structure 8 and fixed block 9, and fixed block 9 is for with network structure 8 fixed connection for conveniently cover down with the guard plate and upwards lift.
The inside fan 14 that is located catalyst box 2 below that still is equipped with of oxidation main part 1, fan 14 are the air exhauster, and the inside negative pressure that forms can increase waste gas flow velocity, and then improves the catalytic oxidation reaction rate of waste gas. The fan 14 is connected and controlled by a controller 13 arranged on the outer side wall of the oxidation main body 1, so that the controller 13 is used for operation, and the control work of the controller 13 on the fan 14 is realized. As shown in fig. 3, the fan 14 includes a fan blade 15, a driving shaft 16, and a fixing frame 17 fixedly connected in this order from top to bottom, and the fixing frame 17 is provided with a through hole through which exhaust gas passes.
The bottom of the oxidation main body 1 is also fixedly provided with a supporting base, the lower end of the supporting base is fixedly provided with supporting legs, and the gas outlet 4 is used for discharging waste gas after catalytic oxidation treatment from the lower part through the supporting base.
The utility model discloses when using, pack into catalyst box 2 back with the catalyst granule, utilize fixed block 9 to cover down with the guard plate, can carry out certain protection work to the catalyst of packing into, avoid moving catalyst box 2 and pack into the in-process of oxidation main part 1 inside and appear scattering, reduce the waste of catalyst. Then the catalyst box 2 is arranged in the oxidation main body 1 in a sliding mode, waste gas is input into the oxidation main body 1 from the air inlet 3, the fan 14 is started through the control box 13, the flowing speed of the waste gas in the oxidation main body 1 is increased, the oxidation reaction speed of the waste gas and the catalyst in the device is improved, and finally the waste gas is discharged from the air outlet 4 and collected.
Example 2
The difference from example 1 is that: the fan 14 is a blower.
A vertical waste gas catalytic oxidation device comprises an oxidation main body 1, wherein the top of the oxidation main body 1 is provided with a gas inlet 3, the bottom of the oxidation main body 1 is provided with a gas outlet 4, and waste gas passes through the oxidation main body 1 from top to bottom. Be equipped with the catalyst box 2 that 3 equidistance set up along the direction of height in the oxidation main part 1, catalyst box 2 includes flip swing joint's last top cap 5, lower plate and encloses 4 curb plates 6 of locating on top cap 5, lower plate periphery, realizes dismantling the slip between catalyst box 2 and oxidation main part 1 through panel 11 on the curb plate 6 lateral wall and spout 12 on the oxidation main part 1 inside wall, makes things convenient for the embedding installation and the change of catalyst box. One of the 4 side plates 6 can block the opening and is provided with a handle 10 towards the outer side of the oxidation main body 1, the other side plates 6 are all tightly attached to the inner side wall of the oxidation main body 1, and the panel 11 is arranged on the outer side walls of the other side plates 6 which are oppositely arranged.
To ensure that the exhaust gas passes through the catalyst box 2, both the upper top cover 5 and the lower bottom plate are provided with a mesh structure 8. Catalyst particles are arranged in the catalyst box 2, and the upper top cover 5 which is movably connected with the turnover cover plays a role in protecting the catalyst particles and facilitates the supplement and replacement of the catalyst particles. The upper top cover 5 comprises a hinge part 7 and a protection plate which is turned upwards by virtue of the hinge part 7, the hinge part 7 is arranged on one side of the upper top cover 5 close to the inner side of the oxidation main body 1, and the upper top cover 5 and the catalyst box 2 are connected by virtue of the hinge part 7. The guard plate includes network structure 8 and fixed block 9, and fixed block 9 is for with network structure 8 fixed connection for conveniently cover down with the guard plate and upwards lift.
The inside fan 14 that is located catalyst box 2 below that still is equipped with of oxidation main part 1, fan 14 are the air-blower, under the prerequisite of guaranteeing that waste gas still is top-down to pass through, and the air-blast of certain degree helps the catalyst granule to move about owing to receive the air convection effect in the catalyst box, can improve the contact time and the area of contact of waste gas and catalyst, and then improves the catalytic treatment efficiency of waste gas. Meanwhile, in this case, the upper top cover of the catalyst box is not ejected, and the protective effect on the catalyst particles can be still ensured.
The fan 14 is connected and controlled by a controller 13 arranged on the outer side wall of the oxidation main body 14, so that the controller 13 is used for operation, and the control work of the controller 13 on the fan 14 is realized. The fan 14 comprises a fan blade 15, a driving shaft 16 and a fixing frame 17 which are fixedly connected in sequence from top to bottom, and the fixing frame 17 is provided with a through hole for waste gas to pass through.
The bottom of the oxidation main body 1 is also fixedly provided with a supporting base, the lower end of the supporting base is fixedly provided with supporting legs, and the gas outlet 4 is used for discharging waste gas after catalytic oxidation treatment from the lower part through the supporting base.
The above, only be the utility model discloses a preferred embodiment, it is not right the utility model discloses do any restriction, all according to the utility model discloses the technical entity all still belongs to any simple modification, change and equivalent structure transform of doing to above embodiment the utility model discloses technical scheme's protection scope.
Claims (9)
1. A vertical waste gas catalytic oxidation device comprises an oxidation main body (1), and is characterized in that the top of the oxidation main body (1) is provided with a gas inlet (3), and the bottom of the oxidation main body is provided with a gas outlet (4); a plurality of catalyst boxes (2) are arranged in the oxidation main body (1) along the height direction of the oxidation main body (1); the catalyst box (2) and the oxidation main body (1) are detachably arranged in a sliding manner; the catalyst box (2) comprises an upper top cover (5) and a lower bottom plate which are movably connected through a turnover cover, and side plates (6) which are arranged around the upper top cover (5) and the lower bottom plate; the upper top cover (5) and the lower bottom plate are both provided with a net structure (8) through which waste gas can only pass; catalyst particles are arranged in the catalyst box (2).
2. The vertical catalytic oxidation unit for exhaust gas according to claim 1, wherein the number of the catalyst cartridges (2) is not less than 3 and the adjacent catalyst cartridges (2) are arranged at equal intervals.
3. The vertical catalytic oxidation unit for exhaust gas according to claim 1, wherein the oxidation main body (1) is further provided with a fan (14) inside under the catalyst box (2); the fan (14) is connected and controlled by a controller (13) arranged on the outer side wall of the oxidation main body (1).
4. The vertical catalytic oxidation unit for exhaust gases according to claim 3, wherein the fan (14) comprises a fan blade (15), a driving shaft (16) and a fixed frame (17) which are fixedly connected in sequence from top to bottom; the fixing frame (17) is provided with a through hole for waste gas to pass through.
5. A vertical catalytic oxidation unit for exhaust gases according to claim 3 or 4, characterized in that the fan (14) is a suction fan or a blower.
6. A vertical catalytic oxidation unit for exhaust gases according to claim 1, characterized in that one of the side plates (6) closes off the opening and is provided with a handle (10) on the side facing the outside of the oxidation body (1), while the remaining side plates (6) are closely attached to the inside wall of the oxidation body (1).
7. A vertical catalytic oxidation unit for exhaust gases according to claim 1 or 6, characterized in that the detachable sliding device is provided with chutes (12) on the inner side wall of the oxidation main body (1) and panels (11) on the outer side walls of the two opposite side plates (6) of the catalyst box (2) matching with the chutes.
8. A vertical catalytic oxidation unit for exhaust gases according to claim 1, characterized in that the upper lid (5) comprises a hinge unit (7) and a guard plate movable by means of the hinge unit (7).
9. The vertical catalytic oxidation apparatus for exhaust gas according to claim 8, wherein the upper lid member (5) and the catalyst cartridge (2) are connected by a hinge member (7); the protection plate comprises a net structure (8) and a fixing block (9) connected with the net structure.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202220636535.8U CN217248024U (en) | 2022-03-22 | 2022-03-22 | Vertical waste gas catalytic oxidation device |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202220636535.8U CN217248024U (en) | 2022-03-22 | 2022-03-22 | Vertical waste gas catalytic oxidation device |
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| CN217248024U true CN217248024U (en) | 2022-08-23 |
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| CN202220636535.8U Active CN217248024U (en) | 2022-03-22 | 2022-03-22 | Vertical waste gas catalytic oxidation device |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN116534982A (en) * | 2023-07-06 | 2023-08-04 | 尚丰智星(天津)环境有限公司 | Advanced oxidation device for sewage advanced treatment |
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- 2022-03-22 CN CN202220636535.8U patent/CN217248024U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN116534982A (en) * | 2023-07-06 | 2023-08-04 | 尚丰智星(天津)环境有限公司 | Advanced oxidation device for sewage advanced treatment |
| CN116534982B (en) * | 2023-07-06 | 2023-12-19 | 尚丰智星(天津)环境有限公司 | Advanced oxidation device for sewage advanced treatment |
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