CN219775765U - L-shaped integrated electric heating catalytic combustion bed - Google Patents
L-shaped integrated electric heating catalytic combustion bed Download PDFInfo
- Publication number
- CN219775765U CN219775765U CN202320297227.1U CN202320297227U CN219775765U CN 219775765 U CN219775765 U CN 219775765U CN 202320297227 U CN202320297227 U CN 202320297227U CN 219775765 U CN219775765 U CN 219775765U
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- China
- Prior art keywords
- electric heating
- chamber body
- catalytic combustion
- catalyst
- heating pipe
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- 238000005485 electric heating Methods 0.000 title claims abstract description 53
- 238000007084 catalytic combustion reaction Methods 0.000 title claims abstract description 32
- 239000003054 catalyst Substances 0.000 claims abstract description 27
- 230000017525 heat dissipation Effects 0.000 claims abstract description 11
- 238000009413 insulation Methods 0.000 claims description 11
- 238000004880 explosion Methods 0.000 claims description 4
- 238000010438 heat treatment Methods 0.000 claims description 4
- 239000007789 gas Substances 0.000 abstract description 12
- 238000009434 installation Methods 0.000 abstract description 7
- 239000010815 organic waste Substances 0.000 abstract description 6
- 238000012423 maintenance Methods 0.000 abstract description 3
- 238000004321 preservation Methods 0.000 description 6
- 230000000694 effects Effects 0.000 description 4
- 238000001179 sorption measurement Methods 0.000 description 3
- 238000013022 venting Methods 0.000 description 3
- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 description 2
- KDLHZDBZIXYQEI-UHFFFAOYSA-N Palladium Chemical compound [Pd] KDLHZDBZIXYQEI-UHFFFAOYSA-N 0.000 description 2
- 238000002485 combustion reaction Methods 0.000 description 2
- 230000007547 defect Effects 0.000 description 2
- 239000002808 molecular sieve Substances 0.000 description 2
- 229910000510 noble metal Inorganic materials 0.000 description 2
- 231100000252 nontoxic Toxicity 0.000 description 2
- 230000003000 nontoxic effect Effects 0.000 description 2
- 230000003647 oxidation Effects 0.000 description 2
- 238000007254 oxidation reaction Methods 0.000 description 2
- BASFCYQUMIYNBI-UHFFFAOYSA-N platinum Chemical compound [Pt] BASFCYQUMIYNBI-UHFFFAOYSA-N 0.000 description 2
- URGAHOPLAPQHLN-UHFFFAOYSA-N sodium aluminosilicate Chemical compound [Na+].[Al+3].[O-][Si]([O-])=O.[O-][Si]([O-])=O URGAHOPLAPQHLN-UHFFFAOYSA-N 0.000 description 2
- 239000012855 volatile organic compound Substances 0.000 description 2
- 239000002912 waste gas Substances 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000003197 catalytic effect Effects 0.000 description 1
- 238000006555 catalytic reaction Methods 0.000 description 1
- 239000011248 coating agent Substances 0.000 description 1
- 238000000576 coating method Methods 0.000 description 1
- 238000003795 desorption Methods 0.000 description 1
- 238000005265 energy consumption Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 229910052763 palladium Inorganic materials 0.000 description 1
- 229910052697 platinum Inorganic materials 0.000 description 1
- 238000007639 printing Methods 0.000 description 1
- 230000002035 prolonged effect Effects 0.000 description 1
- 238000000746 purification Methods 0.000 description 1
- 238000012546 transfer Methods 0.000 description 1
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- Incineration Of Waste (AREA)
Abstract
The utility model relates to an L-shaped integrated electric heating catalytic combustion bed, in particular to the technical field of organic waste gas treatment equipment. The utility model comprises a lower chamber body, an upper chamber body, an integrated electric heating pipe, a catalyst bracket, a catalyst and a connecting flange, and aims at the problems of heat dissipation of the electric heating pipe and inconvenient installation and maintenance of the electric heating pipe effectively. Meanwhile, a high-temperature heat taking port is arranged at the top of the catalytic combustion bed, so that high-temperature gas heat can be utilized, and the catalytic combustion bed is energy-saving and environment-friendly.
Description
Technical Field
The utility model relates to the technical field of organic waste gas treatment equipment, in particular to an L-shaped integrated electric heating catalytic combustion bed.
Background
The current industries of petrochemical industry, pharmacy, package printing, coating and the like are the main sources of Volatile Organic Compounds (VOCs), and the adsorption concentration combined oxidation technology is one of the methods for widely treating organic waste gas at present, and mainly aims at treating the organic waste gas with large air quantity and low concentration, and purifying the waste gas through the adsorption of a molecular sieve rotating wheel, a fixed bed molecular sieve or activated carbon. The adsorption material is desorbed and regenerated by hot air, and the small air quantity and high concentration organic waste gas generated by desorption enter oxidation equipment (RTO/RCO/CO/TO) for purification.
The catalytic combustion bed (CO) is subjected to flameless catalytic combustion at the temperature of 350-450 ℃ under the action of the noble metal catalyst, so that organic components are converted into nontoxic and harmless CO2 and H2O, and a large amount of heat is released.
The catalytic combustion bed (CO) is provided with a heating area and a catalytic area, and the inner wall is provided with heat preservation. The electric heating pipe of the catalytic combustion bed (CO) is conventionally selected from a single electric heating pipe. The problem that the inner heat preservation is difficult to install, the radiating effect is poor, and the electric heating pipe connector lug is easy to burn exists in single electric heating pipe. The existing catalytic combustion bed is generally vertical, and the electric heating pipe is high in installation height, so that the installation and maintenance are inconvenient.
Disclosure of Invention
(1) Technical problem to be solved
The utility model provides an L-shaped integrated electric heating catalytic combustion bed, which overcomes the defects that the existing catalytic combustion bed is difficult to install due to the fact that a single electric heating pipe is selected, the heat dissipation effect is poor, the electric heating pipe connector lug is easy to burn, the existing catalytic combustion bed is generally vertical, the installation height of the electric heating pipe is high, and the installation and the maintenance are inconvenient.
(2) Technical proposal
In order to solve the technical problems, the utility model provides an L-shaped integrated electric heating catalytic combustion bed which comprises a lower chamber body, an upper chamber body, an integrated electric heating pipe, a catalyst bracket, a catalyst and a connecting flange, wherein one end of the lower chamber body and the lower end of the upper chamber body are connected through the connecting flange to form an L-shaped structure, an air inlet and a heater port are arranged on the lower chamber body, a base is arranged on the bottom of the lower chamber body, the integrated electric heating pipe is arranged in the lower chamber body, an explosion venting port and an air outlet are arranged on one side of the upper chamber body, an access door is arranged on the other side of the upper chamber body, a high-temperature heat taking port is arranged at the upper end of the upper chamber body, two catalyst brackets are arranged in the upper chamber body, a plurality of layers of catalysts are horizontally arranged on each catalyst bracket, a first thermocouple is arranged below the catalyst bracket on the lowest layer, and a second thermocouple is arranged above the catalyst on the top layer.
Preferably, the inner walls of the lower chamber body and the upper chamber body are provided with heat insulation layers.
Preferably, the thickness of the heat insulation layer is 200mm.
Preferably, the integral electric heating pipe comprises a plurality of electric heating pipes, a fixing plate for fixing the electric heating pipes and a third thermocouple for measuring temperature, the integral electric heating pipe is fixedly connected with the lower chamber body through a mounting flange, a section of heat dissipation layer and a heat insulation layer are sequentially arranged on the integral electric heating pipe from top to bottom, and a wiring cavity is formed in the top of the heat dissipation layer.
Preferably, the wiring chamber is provided with one power cable hole and one control cable hole.
(3) Advantageous effects
The utility model provides an L-shaped integrated electric heating catalytic combustion bed, which overcomes the defects that the existing catalytic combustion bed is generally vertical, the electric heating pipe is high in installation height and inconvenient to install and maintain, the internal heat insulation of a single electric heating pipe is difficult to install, the heat dissipation effect is poor, and the connector lug of the electric heating pipe is easy to burn. The L-shaped integrated electric heating catalytic combustion bed reduces the installation height of the electric heating pipe, and solves the problems that the wiring temperature of the electric heating pipe is high and the wiring is burnt out. Meanwhile, a high-temperature heat taking port is arranged at the top of the catalytic combustion bed, so that high-temperature gas heat can be utilized, and the catalytic combustion bed is energy-saving and environment-friendly. Compared with the prior art, the utility model has the following beneficial effects:
1. the utility model optimizes the structure of the catalytic combustion bed, adopts an L-shaped structure, and is convenient to overhaul and maintain due to the flange connection of the upper chamber body and the lower chamber body.
2. The electric heating pipe adopts an integrated electric heating pipe, the wiring is divided into groups, the wiring is simple, the electric heating pipe is provided with a heat insulation layer and a heat dissipation layer, the temperature at the junction box is less than 50 ℃, the temperature at the junction is effectively reduced, and the service life of the electric heating pipe is prolonged.
3. A heat insulation pad is arranged between the catalyst bracket and the support, so that the temperature in the furnace is ensured not to be conducted to the outer wall through the bracket.
Drawings
Fig. 1 is a cross-sectional view of the present utility model.
Fig. 2 is a schematic structural view of an integrated electric heating tube according to the present utility model.
The reference numerals are: the heat-insulating type solar energy heat-collecting and heat-collecting device comprises a 1-lower chamber body, a 11-air inlet, a 12-heater opening, a 13-base, a 2-upper chamber body, a 21-explosion venting opening, a 22-access door, a 23-Gao Wenqu heat opening, a 24-air outlet, a 3-heat-insulating layer, a 4-integrated electric heating pipe, a 41-electric heating pipe, a 42-fixing plate, a 43-mounting flange, a 44-third thermocouple, a 45-heat-insulating layer, a 46-heat-radiating layer, a 47-wiring chamber, 471-power cable holes, 472-control cable holes, a 5-catalyst bracket, a 6-catalyst, a 7-first thermocouple, an 8-second thermocouple and a 9-connecting flange.
Detailed Description
The utility model will be further described with reference to the accompanying drawings and examples.
As shown in fig. 1 and 2, the L-shaped integrated electric heating catalytic combustion bed of the utility model is divided into an upper part and a lower part, namely a lower chamber body 1 and an upper chamber body 2, and the two chamber body shells are connected through a connecting flange 9. The lower chamber body 1 is provided with an air inlet 11, two heater ports 12 and a base 13; the inner wall of the lower chamber body 1 is provided with a heat preservation layer 3 with a heat preservation thickness of 200mm; the upper chamber body 2 is provided with an explosion venting port 21, an access door 22, a high-temperature heat taking port 23 and a gas outlet 24. The inner wall of the upper chamber body 2 is provided with a heat preservation layer 3, and the heat preservation thickness is 200mm. Two layers of catalyst brackets 5 are arranged in the upper chamber body 2, and 1-3 layers of catalysts 6 are horizontally arranged above each layer of bracket. A first thermocouple 7 is arranged below the lowest bracket and detects the temperature of the heated gas. A second thermocouple 8 is arranged above the top catalyst 6 to detect the temperature of the gas after the catalytic reaction.
To avoid heat transfer from the catalyst carrier 5 to the upper chamber body 2, the catalyst carrier 5 and the support base are provided with heat insulation pads.
The high-temperature heat taking port 23 can be utilized, and the heat of the high-temperature gas is utilized, so that the energy is saved and the environment is protected.
The lower chamber body 1 is provided with two integrated electric heating pipes 4, and the integrated electric heating pipes 4 are provided with heat insulation layers 45 which effectively block high temperature in the furnace; the integrated electric heating pipe 4 is fixedly connected with the lower chamber body 1 through a mounting flange 43; the integrated electric heating tube 4 is provided with a heat dissipation layer 46 with a length of 150-250 mm, heat is effectively dissipated in the air, the top of the heat dissipation layer 46 is a wiring cavity 47, and the wiring cavity 47 is provided with a power supply cable hole 471 and a control cable hole 472.
The catalytic combustion bed is started for the first time, a catalyst in the catalytic combustion bed needs to be preheated, a certain amount of hot air is generated at the same time, organic waste gas is introduced into the catalytic combustion bed, and after being heated by an electric heating pipe, flameless catalytic combustion is carried out at a lower temperature under the action of a noble metal platinum/palladium catalyst, so that organic components are converted into non-toxic and harmless CO2 and H2O, and a large amount of heat is released at the same time. In the catalytic combustion bed, the electric heater adopts an integrated electric heating pipe, and is connected in groups and is simple in connection. The integrated electric heating tube 4 is provided with a heat insulation layer 45 and a heat dissipation layer 46, and the temperature of the junction is ensured to be lower than 50 ℃. The electric heater is fully started during preheating, so that the waste gas can be heated from room temperature to a set temperature in a short time. In the stable combustion stage, the electric heater only needs to be started for a small part or not because of the large heat energy amplified by the combustion Cheng Shi, so that the operation energy consumption is effectively reduced.
What is not described in detail in this specification is prior art known to those skilled in the art.
The examples described above only represent preferred embodiments of the present utility model, which are described in more detail, but the present utility model is not limited to these examples, and it should be noted that it is obvious to those skilled in the art that the present utility model is not limited to these examples. Any modifications thereof fall within the scope of the present utility model without departing from the spirit of the utility model. Accordingly, the scope of protection of the present utility model is to be determined by the appended claims.
Claims (5)
1. The utility model provides an L type integral type electrical heating catalytic combustion bed, its characterized in that, including lower room body (1), upper chamber body (2), integral type electrical heating pipe (4), catalyst bracket (5), catalyst (6), flange (9), lower room body (1) one end with pass through between upper chamber body (2) lower extreme flange (9) are realized being connected and are formed L type structure, be equipped with air inlet (11) and heater mouth (12) on lower room body (1), be equipped with base (13) on lower chamber body (1) bottom, install in lower chamber body (1) integral type electrical heating pipe (4), be equipped with on one side of upper chamber body (2) and let out explosion mouth (21) and gas outlet (24), be equipped with access door (22) on the upper chamber body (2) opposite side, upper chamber body (2) upper end is equipped with high temperature and gets hot mouthful (23), install two in upper chamber body (2) catalyst bracket (5), every layer catalyst (5) are equipped with catalyst bracket (6) are kept flat in the catalyst layer (6) and are equipped with two top layer (8) top layer (5) catalyst (5).
2. The L-shaped integrated electric heating catalytic combustion bed according to claim 1, wherein the inner walls of the lower chamber body (1) and the upper chamber body (2) are provided with heat insulation layers (3).
3. An L-shaped integral electrically heated catalytic combustion bed according to claim 2, characterized in that the thickness of the insulating layer (3) is 200mm.
4. The L-shaped integrated electric heating catalytic combustion bed according to claim 1, wherein the integrated electric heating pipe (4) comprises a plurality of electric heating pipes (41), a fixing plate (42) for fixing the electric heating pipes (41) and a third thermocouple (44) for measuring temperature, the integrated electric heating pipe (4) is fixedly connected with the lower chamber body (1) through a mounting flange (43), a section of heat dissipation layer (46) and a heat insulation layer (45) are sequentially arranged on the integrated electric heating pipe (4) from top to bottom, and a wiring cavity (47) is formed in the top of the heat dissipation layer (46).
5. An L-shaped integral electrically heated catalytic combustion bed as in claim 4, wherein said wiring chamber (47) is provided with a power cable aperture (471) and a control cable aperture (472).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202320297227.1U CN219775765U (en) | 2023-02-23 | 2023-02-23 | L-shaped integrated electric heating catalytic combustion bed |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202320297227.1U CN219775765U (en) | 2023-02-23 | 2023-02-23 | L-shaped integrated electric heating catalytic combustion bed |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN219775765U true CN219775765U (en) | 2023-09-29 |
Family
ID=88108607
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202320297227.1U Active CN219775765U (en) | 2023-02-23 | 2023-02-23 | L-shaped integrated electric heating catalytic combustion bed |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN219775765U (en) |
-
2023
- 2023-02-23 CN CN202320297227.1U patent/CN219775765U/en active Active
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