CN221146559U - Catalytic combustion's waste gas treatment device - Google Patents
Catalytic combustion's waste gas treatment device Download PDFInfo
- Publication number
- CN221146559U CN221146559U CN202322852277.4U CN202322852277U CN221146559U CN 221146559 U CN221146559 U CN 221146559U CN 202322852277 U CN202322852277 U CN 202322852277U CN 221146559 U CN221146559 U CN 221146559U
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- China
- Prior art keywords
- gas treatment
- fixedly connected
- waste gas
- exhaust gas
- catalytic combustion
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- 239000002912 waste gas Substances 0.000 title claims abstract description 42
- 238000007084 catalytic combustion reaction Methods 0.000 title claims abstract description 28
- 239000007789 gas Substances 0.000 claims abstract description 46
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims abstract description 30
- 238000010438 heat treatment Methods 0.000 claims abstract description 13
- RNFJDJUURJAICM-UHFFFAOYSA-N 2,2,4,4,6,6-hexaphenoxy-1,3,5-triaza-2$l^{5},4$l^{5},6$l^{5}-triphosphacyclohexa-1,3,5-triene Chemical compound N=1P(OC=2C=CC=CC=2)(OC=2C=CC=CC=2)=NP(OC=2C=CC=CC=2)(OC=2C=CC=CC=2)=NP=1(OC=1C=CC=CC=1)OC1=CC=CC=C1 RNFJDJUURJAICM-UHFFFAOYSA-N 0.000 claims description 4
- 239000003063 flame retardant Substances 0.000 claims description 4
- 230000003014 reinforcing effect Effects 0.000 claims description 4
- 239000012535 impurity Substances 0.000 abstract description 9
- 238000006555 catalytic reaction Methods 0.000 abstract description 5
- 230000000694 effects Effects 0.000 abstract 1
- 239000003054 catalyst Substances 0.000 description 11
- 230000003197 catalytic effect Effects 0.000 description 7
- 230000007246 mechanism Effects 0.000 description 7
- 238000006243 chemical reaction Methods 0.000 description 3
- 238000010586 diagram Methods 0.000 description 3
- 238000005516 engineering process Methods 0.000 description 3
- 238000011084 recovery Methods 0.000 description 3
- 230000009471 action Effects 0.000 description 2
- 238000010276 construction Methods 0.000 description 2
- 239000002440 industrial waste Substances 0.000 description 2
- 239000000463 material Substances 0.000 description 2
- 238000000034 method Methods 0.000 description 2
- 239000010815 organic waste Substances 0.000 description 2
- 238000004064 recycling Methods 0.000 description 2
- 230000004913 activation Effects 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000002485 combustion reaction Methods 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000004134 energy conservation Methods 0.000 description 1
- 230000006872 improvement Effects 0.000 description 1
- 238000012423 maintenance Methods 0.000 description 1
- 238000000746 purification Methods 0.000 description 1
- 230000009467 reduction Effects 0.000 description 1
- 239000007790 solid phase Substances 0.000 description 1
- 238000001179 sorption measurement Methods 0.000 description 1
- 239000013589 supplement Substances 0.000 description 1
Landscapes
- Chimneys And Flues (AREA)
Abstract
The utility model discloses an exhaust gas treatment device for catalytic combustion, which comprises: the waste gas treatment pipe and the heat collecting pipe, waste gas treatment pipe upper end fixedly connected with second ring flange, and lower extreme fixedly connected with first ring flange, heat collecting pipe lower extreme fixedly connected with third ring flange, and outside fixedly connected with water inlet and delivery port, second ring flange and third ring flange pass through bolt and nut fixed connection, be equipped with annular spout on the waste gas treatment pipe, be located the waste gas treatment pipe of annular spout opening part and articulated through the hinge and have arc baffle, annular spout has two, upside annular spout sliding connection has the holding ring, holding ring both sides are equipped with and place the mouth, and inside fixedly connected with grid board, downside annular spout sliding connection has annular filter, fixedly connected with filter screen in the annular filter. Through the structure, the problems of poor preheating effect and low catalytic reaction efficiency caused by the fact that impurities in waste gas are adsorbed on the heating ring after long-time use are solved.
Description
Technical Field
The utility model relates to the technical field of waste gas treatment, in particular to a catalytic combustion waste gas treatment device.
Background
At present, a plurality of technologies and systems exist for treating industrial waste gas, mainly an adsorption concentration system, a thermal or catalytic combustion system, a biological purification system, a photoelectric integrated system, a recovery system and the like, catalytic combustion is a typical gas-solid phase catalytic reaction in a plurality of industrial waste gas treatment methods, the method reduces the activation energy of waste gas treatment reaction through a catalyst, so that waste gas can be subjected to flameless combustion at a lower temperature, CO2 and H2O are generated by burning the waste gas, a large amount of heat is emitted, N2 in the air is greatly inhibited from producing NOx by the lower temperature, and the catalytic combustion technology is a practical and simple organic waste gas treatment technology for treating medium and small air quantity and medium and low concentration industrial organic waste gas.
The Chinese patent with the patent number of CN202021505442.9 is found through searching when the patent is applied: the waste gas treatment device for catalytic combustion comprises a waste gas treatment mechanism, wherein the catalytic mechanism is inserted into the waste gas treatment mechanism, and a recovery mechanism is fixedly arranged at one end of the waste gas treatment mechanism; the catalytic mechanism comprises a positioning ring, a grating plate, a notch, a first fixing plate and a handle, wherein the grating plate is fixedly connected to the inside of the positioning ring, the notch is formed in the top of the positioning ring, and the fixing plate and the handle are fixedly connected to the outer side of the positioning ring; the recovery mechanism comprises a heat collecting tube, a first flange plate, a water inlet tube and a water outlet tube, wherein one end of the heat collecting tube is fixedly connected with the first flange plate, and the outer surface of the heat collecting tube is fixedly connected with the water inlet tube and the water outlet tube. However, when the device is used, impurities and the like in the exhaust gas are easy to adsorb on the heating ring, so that the heating ring is influenced to preheat the exhaust gas, and the catalytic efficiency of the catalyst on the exhaust gas is reduced, and therefore, improvement is needed.
Disclosure of utility model
Aiming at the defects of the prior art, the utility model provides a catalytic combustion waste gas treatment device, which solves the problem that the waste gas catalytic efficiency of a catalyst is reduced due to the fact that impurities in waste gas influence the preheating of a heating ring.
The utility model also provides an exhaust gas treatment device with the catalytic combustion, which comprises an exhaust gas treatment pipe and a heat collecting pipe, wherein the upper end of the exhaust gas treatment pipe is fixedly connected with a second flange plate, the lower end of the exhaust gas treatment pipe is fixedly connected with a first flange plate, the lower end of the heat collecting pipe is fixedly connected with a third flange plate, the outer side of the heat collecting pipe is fixedly connected with a water inlet and a water outlet, the water inlet is positioned at the lower side of the water outlet, the first flange plate, the second flange plate and the third flange plate are all provided with connecting holes, the second flange plate and the third flange plate are fixedly connected through bolts and nuts, the exhaust gas treatment pipe is provided with annular sliding grooves, the exhaust gas treatment pipe positioned at the opening of the annular sliding grooves is hinged with an arc-shaped baffle plate through hinges, two annular sliding grooves are arranged at the upper side, positioning rings are slidably connected with positioning rings, two sides of the positioning rings are fixedly connected with grid plates, the lower side of the annular sliding grooves are slidably connected with annular filter plates, and a filter screen is fixedly connected in the annular filter plates.
According to the catalytic combustion exhaust gas treatment device, the heating rings are fixedly connected to the inner wall of the exhaust gas treatment pipe between the annular sliding grooves at two sides.
According to the catalytic combustion exhaust gas treatment device, the exhaust gas treatment pipe is divided into three layers, and a reinforcing plate, a PET flame retardant plate and a heat absorbing plate are sequentially arranged from inside to outside.
According to the catalytic combustion exhaust gas treatment device, a cavity is arranged in the heat collecting pipe, and the water inlet and the water outlet are respectively communicated with the cavity.
According to the catalytic combustion exhaust gas treatment device, handles are fixedly connected to the outer sides of the positioning ring and the annular filter plate.
According to the catalytic combustion exhaust gas treatment device, the arc-shaped baffle is provided with a clamping interface, and the handle is positioned in the clamping interface and is matched with the clamping interface.
According to the catalytic combustion exhaust gas treatment device, two grating plates are respectively arranged at two ends of the inner part of the positioning ring.
The utility model has the following beneficial effects:
According to the utility model, the filter screen is arranged in the waste gas treatment pipe, so that impurities in the waste gas are filtered before the waste gas is heated, the phenomenon that the waste gas and the catalyst react insufficiently due to the fact that the impurities are adsorbed on the heating ring is avoided, and compared with the prior direct preheating, the catalytic reaction is more sufficient, the preheating time is shortened, and the reaction efficiency is improved.
Additional aspects and advantages of the utility model will be set forth in part in the description which follows, and in part will be obvious from the description, or may be learned by practice of the utility model.
Drawings
The utility model is further described below with reference to the drawings and examples;
FIG. 1 is a block diagram of an exhaust gas treatment apparatus for catalytic combustion according to the present utility model;
FIG. 2 is a sectional view of an exhaust gas treatment pipe of an exhaust gas treatment apparatus for catalytic combustion according to the present utility model;
FIG. 3 is a diagram showing the construction of a positioning ring of a catalytic combustion exhaust gas treatment device according to the present utility model;
FIG. 4 is a diagram showing the construction of an annular filter plate of a catalytic combustion exhaust gas treatment apparatus according to the present utility model.
Legend description:
1. An exhaust gas treatment pipe; 2. a heat collecting pipe; 3. a first flange; 4. a second flange; 5. a third flange; 6. an annular chute; 7. an arc baffle; 8. a connection hole; 9. a heating ring; 10. a reinforcing plate; 11. PET flame retardant board; 12. a heat absorbing plate; 13. a positioning ring; 14. a placement port; 15. a grating plate; 16. an annular filter plate; 17. a filter screen; 18. a handle; 19. a card interface; 20. a water inlet; 21. and a water outlet.
Detailed Description
Reference will now be made in detail to the present embodiments of the present utility model, examples of which are illustrated in the accompanying drawings, wherein the accompanying drawings are used to supplement the description of the written description so that one can intuitively and intuitively understand each technical feature and overall technical scheme of the present utility model, but not to limit the scope of the present utility model.
Referring to fig. 1-4, the exhaust gas treatment device for catalytic combustion in the embodiment of the utility model comprises an exhaust gas treatment pipe 1 and a heat collecting pipe 2, wherein the exhaust gas treatment pipe 1 is divided into three layers, and is sequentially provided with a reinforcing plate 10, a PET flame retardant plate 11 and a heat absorbing plate 12 from inside to outside, the upper end of the exhaust gas treatment pipe 1 is fixedly connected with a second flange 4, the lower end of the exhaust gas treatment pipe is fixedly connected with a first flange 3, the lower end of the heat collecting pipe 2 is fixedly connected with a third flange 5, the outer side of the heat collecting pipe is fixedly connected with a water inlet 20 and a water outlet 21, the water inlet 20 is positioned at the lower side of the water outlet 21, a cavity is arranged in the heat collecting pipe 2, the water inlet 20 and the water outlet 21 are respectively communicated with the cavity, the first flange 3, the second flange 4 and the third flange 5 are respectively provided with a connecting hole 8, the second flange 4 and the third flange 5 are fixedly connected through bolts and nuts, when exhaust gas is introduced, the catalyst pair enables catalytic reaction of the exhaust gas to generate heat, when the gas passes through the heat collecting pipe 2, the heat energy is conducted to water in the cavity of the heat collecting pipe 2 through the inner wall of the heat collecting pipe, the heat is heated, and then the heat is discharged from the water outlet 21 to realize energy saving and recycling purposes;
the waste gas treatment pipe 1 is provided with the annular sliding grooves 6, the waste gas treatment pipe 1 at the opening of the annular sliding grooves 6 is hinged with the arc-shaped baffle plates 7 through hinges, the annular sliding grooves 6 at the upper side are internally and slidably connected with the positioning rings 13, the two sides of the positioning rings 13 are provided with the placing ports 14, the inside is fixedly connected with the grating plates 15, the catalytic material is placed in the positioning rings 13 through the placing ports 14, the grating plates 15 are respectively arranged at the two ends of the inside of the positioning rings 13, the lower side annular sliding grooves 6 are internally and slidably connected with the annular filter plates 16, the inner wall of the waste gas treatment pipe 1 between the annular sliding grooves 6 at the two sides is fixedly connected with the heating rings 9, the outer sides of the positioning rings 13 and the annular filter plates 16 are fixedly connected with the handles 18, the filter screen 17 is fixedly connected with the arc-shaped baffle plates 7, the handles 18 are arranged in the clamping interfaces 19 and are matched with the clamping interfaces 19, impurities in the waste gas are filtered under the action of the filter screen 17, the condition that the impurities are adsorbed on the heating rings 9, the heating rings 9 cause insufficient reaction of the waste gas and the catalytic material, and the waste gas can be fully heated, and the waste gas can be fully reacted.
Working principle: the water is injected into the heat collecting pipe 2 through the water inlet 20, waste gas enters the waste gas treatment pipe 1 from the first flange plate 3, impurities in the waste gas are filtered under the action of the filter screen 17, the phenomenon that the waste gas and a catalyst react insufficiently due to the fact that the impurities are adsorbed on the heating ring 9 is avoided, the heating ring 9 can lift and preheat the waste gas to enable the waste gas to react more fully, then the waste gas passes through the grid plate 15, the catalyst in the positioning ring 13 carries out catalytic reaction on the waste gas to emit heat, when the gas passes through the heat collecting pipe 2, heat energy is conducted to water in a cavity of the heat collecting pipe 2 through the inner wall of the heat collecting pipe 2, the water is heated, then is discharged from the water outlet 21 for recycling, and therefore the purposes of energy conservation and emission reduction are achieved; when the catalyst in the positioning ring 13 is used for a long time, the catalytic efficiency is reduced, and when the catalyst needs to be replaced, the arc-shaped baffle 7 is opened, the positioning ring 13 is pulled out through the handle 18, the catalyst in the positioning ring 13 is poured out through the placing port 14, then a new catalyst is added, the operation is simple and convenient, and the later maintenance is convenient.
The embodiments of the present utility model have been described in detail with reference to the accompanying drawings, but the present utility model is not limited to the above embodiments, and various changes can be made within the knowledge of one of ordinary skill in the art without departing from the spirit of the present utility model.
Claims (7)
1. An exhaust gas treatment device for catalytic combustion, comprising: waste gas treatment pipe (1) and collector tube (2), waste gas treatment pipe (1) upper end fixedly connected with second ring flange (4), and lower extreme fixedly connected with first ring flange (3), collector tube (2) lower extreme fixedly connected with third ring flange (5), and outside fixedly connected with water inlet (20) and delivery port (21), water inlet (20) are located delivery port (21) downside, all be equipped with connecting hole (8) on first ring flange (3), second ring flange (4) and third ring flange (5) pass through bolt and nut fixed connection, be equipped with annular spout (6) on waste gas pipe (1), be located on annular spout (6) opening part waste gas treatment pipe (1) through the hinge and articulate arc-shaped baffle (7), annular spout (6) have two, upside annular spout (6) sliding connection has locating ring (13), locating ring (13) both sides are equipped with place mouthful (14), and annular filter plate (16) are connected with in the interior grid (16), annular filter plate (16) are connected with in the filter screen (16).
2. The catalytic combustion exhaust gas treatment device according to claim 1, wherein a heating ring (9) is fixedly connected to the inner wall of the exhaust gas treatment pipe (1) between the annular sliding grooves (6) at both sides.
3. The catalytic combustion exhaust gas treatment device according to claim 2, wherein the exhaust gas treatment tube (1) is divided into three layers, and is sequentially provided with a reinforcing plate (10), a PET flame retardant plate (11) and a heat absorbing plate (12) from inside to outside.
4. A catalytic combustion exhaust gas treatment device according to claim 3, wherein a cavity is provided in the heat collecting tube (2), and the water inlet (20) and the water outlet (21) are respectively in communication with the cavity.
5. The catalytic combustion exhaust gas treatment device according to claim 4, wherein handles (18) are fixedly connected to the outer sides of the positioning ring (13) and the annular filter plate (16).
6. The catalytic combustion exhaust gas treatment device according to claim 5, wherein the arc baffle (7) is provided with a clamping interface (19), and the handle (18) is located in the clamping interface (19) and is adapted to the clamping interface (19).
7. The catalytic combustion exhaust gas treatment device according to claim 6, wherein there are two grating plates (15) each located at both ends of the inside of the positioning ring (13).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202322852277.4U CN221146559U (en) | 2023-10-24 | 2023-10-24 | Catalytic combustion's waste gas treatment device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202322852277.4U CN221146559U (en) | 2023-10-24 | 2023-10-24 | Catalytic combustion's waste gas treatment device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN221146559U true CN221146559U (en) | 2024-06-14 |
Family
ID=91419869
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202322852277.4U Active CN221146559U (en) | 2023-10-24 | 2023-10-24 | Catalytic combustion's waste gas treatment device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN221146559U (en) |
-
2023
- 2023-10-24 CN CN202322852277.4U patent/CN221146559U/en active Active
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