CN221122250U - Integrated catalytic combustion device - Google Patents
Integrated catalytic combustion device Download PDFInfo
- Publication number
- CN221122250U CN221122250U CN202322907571.0U CN202322907571U CN221122250U CN 221122250 U CN221122250 U CN 221122250U CN 202322907571 U CN202322907571 U CN 202322907571U CN 221122250 U CN221122250 U CN 221122250U
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- China
- Prior art keywords
- air pipe
- heat exchanger
- catalytic
- flange
- tuber pipe
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- 238000007084 catalytic combustion reaction Methods 0.000 title claims abstract description 23
- 230000003197 catalytic effect Effects 0.000 claims abstract description 23
- 239000003292 glue Substances 0.000 claims description 2
- 238000007789 sealing Methods 0.000 claims description 2
- 239000005995 Aluminium silicate Substances 0.000 claims 1
- PZZYQPZGQPZBDN-UHFFFAOYSA-N aluminium silicate Chemical compound O=[Al]O[Si](=O)O[Al]=O PZZYQPZGQPZBDN-UHFFFAOYSA-N 0.000 claims 1
- 229910000323 aluminium silicate Inorganic materials 0.000 claims 1
- 235000012211 aluminium silicate Nutrition 0.000 claims 1
- 238000010009 beating Methods 0.000 claims 1
- 238000005485 electric heating Methods 0.000 abstract description 14
- 239000002912 waste gas Substances 0.000 abstract description 11
- 229910052751 metal Inorganic materials 0.000 abstract description 4
- 239000002184 metal Substances 0.000 abstract description 4
- 239000003054 catalyst Substances 0.000 description 22
- 239000007789 gas Substances 0.000 description 15
- 239000010815 organic waste Substances 0.000 description 11
- 230000000694 effects Effects 0.000 description 6
- YKTSYUJCYHOUJP-UHFFFAOYSA-N [O--].[Al+3].[Al+3].[O-][Si]([O-])([O-])[O-] Chemical compound [O--].[Al+3].[Al+3].[O-][Si]([O-])([O-])[O-] YKTSYUJCYHOUJP-UHFFFAOYSA-N 0.000 description 4
- 239000000919 ceramic Substances 0.000 description 4
- 229910001220 stainless steel Inorganic materials 0.000 description 4
- 239000010935 stainless steel Substances 0.000 description 4
- 238000006243 chemical reaction Methods 0.000 description 3
- 238000002485 combustion reaction Methods 0.000 description 3
- 238000009413 insulation Methods 0.000 description 3
- 238000005516 engineering process Methods 0.000 description 2
- 238000010438 heat treatment Methods 0.000 description 2
- 238000000034 method Methods 0.000 description 2
- 230000003647 oxidation Effects 0.000 description 2
- 238000007254 oxidation reaction Methods 0.000 description 2
- 238000004321 preservation Methods 0.000 description 2
- 239000000565 sealant Substances 0.000 description 2
- 229910000617 Mangalloy Inorganic materials 0.000 description 1
- 230000006978 adaptation Effects 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000003795 desorption Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000000746 purification Methods 0.000 description 1
Landscapes
- Incineration Of Waste (AREA)
Abstract
The utility model relates to the technical field of waste gas treatment, in particular to an integrated catalytic combustion device, wherein the top of an inner container is provided with a top air pipe, the top air pipe is respectively connected with a catalytic box body and the top flange of a first-stage heat exchanger, the bottom of the catalytic box body is connected with an electric heating device flange, the electric heating device is connected with a connecting air pipe II through a flange, the air pipe II is connected with a second-stage heat exchanger through an air pipe, the bottom of the second-stage heat exchanger is connected with an air outlet pipe through an air pipe, the top of the second-stage heat exchanger is connected with a connecting air pipe I through a flange, a connecting sheet metal is arranged on the connecting air pipe I, and the top of the connecting air pipe I is connected with the first-stage heat exchanger through a flange.
Description
Technical Field
The utility model relates to the technical field of waste gas treatment, in particular to an integrated catalytic combustion device.
Background
For the treatment of volatile organic waste gas with large air volume and low concentration, a combined technology of rotating wheel concentration and catalytic combustion device is generally adopted, and the catalytic combustion device plays a main role in purifying in the technology.
The catalytic combustion device is of a general integrated structure and comprises a shell, an inner container, a heat preservation layer, an internal connection air pipe, the shell and the like, wherein the inner container is formed by combining an electric heating chamber, a two-stage heat exchanger and a catalyst box body (an oxidation combustion chamber). The electric heating chamber consists of an electric heating pipe, fresh air (or volatile organic waste gas) is heated by the electric heating pipe, so that the temperature of the honeycomb ceramic catalyst in the reactor reaches the self-heating initial temperature of the waste gas, and the catalytic combustion device is controlled by the electric heating pipe, and in the operation process, the temperature in the catalyst box body is always maintained within a reasonable temperature range which can enable the volatile organic waste gas to be catalyzed, combusted and oxidized. The heat exchanger is made of high-temperature-resistant manganese steel plates, and a plate wall type cross airflow direction structure is adopted to preheat the volatile organic waste gas entering the catalytic combustion device, so that the aim of reducing heat loss of the whole device is fulfilled. The catalyst box body consists of a stainless steel shell and a honeycomb ceramic catalyst, and the structural arrangement of uniformly distributing air flows is achieved by reasonably arranging the layers and the arrangement modes of the honeycomb ceramic catalyst, so that the volatile organic waste gas and the honeycomb ceramic catalyst are fully contacted and fully reacted, and the removal efficiency of the volatile organic waste gas is ensured.
However, the catalyst box body and the heat exchange device in the prior art are generally distributed in different box bodies respectively, so that the occupied area is overlarge, the connecting air pipe is longer, the cost is increased, and the catalyst is placed in the catalyst box body irregularly, so that the contact area between the waste gas and the catalyst is too small, and the catalytic efficiency is affected.
In view of the above problems, the utility model designs an integrated catalytic combustion device, and the effects of small occupied area, good reaction effect and low cost are realized through an improved structural design.
Disclosure of Invention
The utility model aims to overcome the defects of the prior art and provide an integrated catalytic combustion device which has the advantages of small occupied area, good reaction effect and low cost through an improved structural design.
In order to achieve the above purpose, the utility model provides an integrated catalytic combustion device, which comprises an inner container and a shell, wherein the top of the inner container is provided with a top air pipe, the top air pipe is respectively connected with a catalytic box body and the top flange of a primary heat exchanger, the bottom of the catalytic box body is connected with an electric heating device flange, the electric heating device is connected with a connecting air pipe II through a flange, the bottom of the secondary heat exchanger is connected with an air outlet pipe through an air pipe, the top of the secondary heat exchanger is connected with a connecting air pipe I through a flange, the connecting air pipe I is provided with a connecting metal plate, the top of the connecting air pipe I is connected with the primary heat exchanger through a flange, an aluminum silicate needled blanket heat insulation layer with the thickness of 100-150 mm is filled between the inner container and the shell, and high-temperature sealant is arranged on the inner wall of the catalytic box body.
The bottom of the catalytic box body is provided with grid grooves which are crossed in a Chinese character 'tian' shape.
The inner wall of the catalytic box body is provided with equally-spaced grid grooves.
Compared with the prior art, the two-stage heat exchanger which is originally arranged separately from the catalytic combustion chamber is integrally integrated into the box body, and compared with the traditional arrangement mode, the utility model greatly saves the occupied area and the length of the corresponding connecting air pipe. The grid groove in the catalyst box adopts a self-made grid structure, each layer of catalyst modules are arranged in a 90-degree cross mode, and the contact area of waste gas and the catalyst is about 30% larger than that of the traditional catalyst, so that the original hole utilization rate of the catalyst modules can be improved, the contact area, the residence time and the gas turbulence of the volatile organic waste gas and the catalyst are increased, and the treatment efficiency of the catalyst is improved.
The high-temperature-resistant sealant is arranged on the inner wall of the catalyst box body to prevent the catalyst from being in direct contact with the side stainless steel plate, so that on one hand, the gap between the catalyst and the stainless steel plate can be greatly reduced, the short flow of gas is prevented, and the treatment efficiency is influenced. On the other hand, the heat preservation effect of the oxidation combustion chamber can be enhanced, and the heat loss of the catalytic combustion chamber is further reduced. And the aluminum silicate needled blanket insulation layer is filled between the liner and the shell, the thickness is 100-150 mm, the heat transfer to the outside can be greatly reduced, and the heat efficiency and the waste gas treatment efficiency of the whole system are improved.
Drawings
FIG. 1 is a schematic view of a liner according to the present utility model.
Fig. 2 is a cross-sectional view of the liner structure of the present utility model.
FIG. 3 is a cross-sectional view of a catalytic housing of the present utility model.
Fig. 4 is a top view of the catalytic case of the present utility model.
Fig. 5 is a perspective view of the catalytic case of the present utility model.
Reference numerals illustrate:
1 is a top air pipe, 2 is a primary heat exchanger, 3 is a connecting sheet metal, 4 is a connecting air pipe I, 5 is a secondary heat exchanger, 6 is an air outlet pipeline, 7 is a flange, 8 is a connecting air pipe II, 9 is an electric heating device, 10 is a catalytic box body, and 11 is a grating groove.
Description of the embodiments
The utility model will now be further described with reference to the accompanying drawings.
Referring to fig. 1-5, the utility model provides an integrated catalytic combustion device, which comprises an inner container and a shell, wherein a top air pipe 1 is arranged at the top of the inner container, the top air pipe 1 is respectively connected with a catalytic box 10 and the top flange of a primary heat exchanger 2, the bottom of the catalytic box 10 is connected with an electric heating device 9 in a flange manner, the electric heating device 9 is connected with a connecting air pipe II 8 in a flange manner, the connecting air pipe II 8 is connected with a secondary heat exchanger 5 in a flange manner, the bottom of the secondary heat exchanger 5 is connected with an air outlet pipeline 6 through an air pipe, the top of the secondary heat exchanger 5 is connected with the connecting air pipe I4 in a flange manner, a connecting metal plate 3 is arranged on the connecting air pipe I4, the top of the connecting air pipe I4 is connected with the primary heat exchanger 2 in a flange manner, an aluminum silicate needled blanket insulation layer with the thickness of 100-150 mm is filled between the inner container and the shell, and high-temperature sealing glue is arranged on the inner wall of the catalytic box 10.
The bottom of the catalytic box 10 is provided with grid grooves 11 intersecting in a Chinese character 'tian' shape.
The inner wall of the catalytic box 10 is provided with equally spaced grid grooves 11.
Working principle:
The utility model does not need excessive debugging when in use:
Volatile organic waste gas after rotating wheel concentration firstly enters the secondary heat exchanger 5 from the air inlet to exchange heat and preheat, the volatile organic waste gas flows through the electric heating device 9 after being preheated, the flowing waste gas is heated and warmed through the electric heating device 9, catalytic combustion is carried out through the catalytic box 10, and purified air flow after catalytic combustion is discharged through the air outlet pipeline 6 after heat exchange of the primary heat exchanger 2 and the secondary heat exchanger 5.
Wherein the primary heat exchanger 2 uses a part of heat in the treated high-temperature purified gas for the temperature rise of the runner desorption waste gas, and reasonably utilizes the heat generated by the combustion chamber.
The heat in the treated high-temperature purified gas is used for heating volatile organic waste gas (air inlet waste gas) after the concentration of the rotating wheel by the secondary heat exchanger 5, and meanwhile, the temperature of the high-temperature purified waste gas is reduced to a reasonable discharge temperature through heat conduction, so that the overall heat efficiency of the system is improved, and the safety and stability of the whole system are improved.
An aluminum silicate needled blanket heat-insulating layer is filled between the inner container and the stainless steel shell, the thickness of the filled heat-insulating layer is 100-150 mm, the thickness is summarized in thermal calculation and practical experience, the heat-insulating layer filled according to the thickness can ensure that the temperature of the shell is lower than 60 ℃ required in national standards, a good heat-insulating effect is achieved, and the heat loss of the whole catalytic combustion system is reduced while the safety is ensured.
The above is only a preferred embodiment of the present utility model, only for helping to understand the method and the core idea of the present utility model, and the scope of the present utility model is not limited to the above examples, and all technical solutions belonging to the concept of the present utility model belong to the scope of the present utility model. It should be noted that modifications and adaptations to the present utility model may occur to one skilled in the art without departing from the principles of the present utility model and are intended to be within the scope of the present utility model.
The utility model solves the problems of large occupied area, long air pipe, small contact area of waste gas and catalyst, insufficient reaction and low heat efficiency in the prior art on the whole, can improve the catalytic combustion effect and the purification efficiency of volatile organic waste gas by reducing the whole occupied area of the system, ensures the safe, stable and standard-reaching operation of the catalytic combustion device, and provides a guarantee for improving the environment.
Claims (3)
1. The utility model provides an integrated catalytic combustion device, includes inner bag and shell, its characterized in that, the top of inner bag is provided with top tuber pipe (1), top tuber pipe (1) respectively with catalytic box (10) and the top flange joint of one-level heat exchanger (2), the bottom and electric heater unit (9) flange joint of catalytic box (10), electric heater unit (9) and connection tuber pipe two (8) pass through flange joint, tuber pipe two (8) pass through flange (7) and are connected with second heat exchanger (5), the bottom of second heat exchanger (5) is passed through the tuber pipe and is connected with air outlet pipeline (6), the top and the first (4) of connection tuber pipe are passed through flange joint, be provided with on the first (4) of connection tuber pipe and be connected panel beating (3), the top and the first (2) of connection tuber pipe are passed through flange joint, the inner bag with be filled with thickness is 100 ~ 150 mm's aluminium silicate needle layer between the shell, the inner wall of catalytic box (10) is provided with high-sealing glue on the inner wall.
2. The integrated catalytic combustion device according to claim 1, wherein the bottom of the catalytic box (10) is provided with grid grooves (11) intersecting in a grid shape.
3. The integrated catalytic combustion device according to claim 1, wherein equally spaced grid grooves (11) are provided on the inner wall of the catalytic housing (10).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202322907571.0U CN221122250U (en) | 2023-10-30 | 2023-10-30 | Integrated catalytic combustion device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202322907571.0U CN221122250U (en) | 2023-10-30 | 2023-10-30 | Integrated catalytic combustion device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN221122250U true CN221122250U (en) | 2024-06-11 |
Family
ID=91370066
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202322907571.0U Active CN221122250U (en) | 2023-10-30 | 2023-10-30 | Integrated catalytic combustion device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN221122250U (en) |
-
2023
- 2023-10-30 CN CN202322907571.0U patent/CN221122250U/en active Active
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