CN219722851U - Dehydrogenation reactor - Google Patents
Dehydrogenation reactor Download PDFInfo
- Publication number
- CN219722851U CN219722851U CN202320697109.XU CN202320697109U CN219722851U CN 219722851 U CN219722851 U CN 219722851U CN 202320697109 U CN202320697109 U CN 202320697109U CN 219722851 U CN219722851 U CN 219722851U
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- CN
- China
- Prior art keywords
- gas
- condenser
- frame
- preheater
- combustion chamber
- Prior art date
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- 238000006356 dehydrogenation reaction Methods 0.000 title claims abstract description 28
- 239000007788 liquid Substances 0.000 claims abstract description 40
- 238000002485 combustion reaction Methods 0.000 claims abstract description 27
- 238000005406 washing Methods 0.000 claims abstract description 17
- 230000002572 peristaltic effect Effects 0.000 claims abstract description 14
- 230000008023 solidification Effects 0.000 claims description 6
- 238000007711 solidification Methods 0.000 claims description 6
- 230000000149 penetrating effect Effects 0.000 claims description 2
- 238000000605 extraction Methods 0.000 claims 1
- 239000007789 gas Substances 0.000 abstract description 40
- CURLTUGMZLYLDI-UHFFFAOYSA-N Carbon dioxide Chemical compound O=C=O CURLTUGMZLYLDI-UHFFFAOYSA-N 0.000 abstract description 16
- UGFAIRIUMAVXCW-UHFFFAOYSA-N Carbon monoxide Chemical compound [O+]#[C-] UGFAIRIUMAVXCW-UHFFFAOYSA-N 0.000 abstract description 8
- UFHFLCQGNIYNRP-UHFFFAOYSA-N Hydrogen Chemical compound [H][H] UFHFLCQGNIYNRP-UHFFFAOYSA-N 0.000 abstract description 8
- 229910002092 carbon dioxide Inorganic materials 0.000 abstract description 8
- 239000001569 carbon dioxide Substances 0.000 abstract description 8
- 229910002091 carbon monoxide Inorganic materials 0.000 abstract description 8
- 229910052739 hydrogen Inorganic materials 0.000 abstract description 8
- 239000001257 hydrogen Substances 0.000 abstract description 8
- YNQLUTRBYVCPMQ-UHFFFAOYSA-N Ethylbenzene Chemical compound CCC1=CC=CC=C1 YNQLUTRBYVCPMQ-UHFFFAOYSA-N 0.000 description 12
- 239000000047 product Substances 0.000 description 6
- PPBRXRYQALVLMV-UHFFFAOYSA-N Styrene Chemical compound C=CC1=CC=CC=C1 PPBRXRYQALVLMV-UHFFFAOYSA-N 0.000 description 4
- AXCZMVOFGPJBDE-UHFFFAOYSA-L calcium dihydroxide Chemical compound [OH-].[OH-].[Ca+2] AXCZMVOFGPJBDE-UHFFFAOYSA-L 0.000 description 4
- 239000007795 chemical reaction product Substances 0.000 description 4
- 239000000203 mixture Substances 0.000 description 4
- 238000000926 separation method Methods 0.000 description 4
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Chemical compound O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 3
- VGGSQFUCUMXWEO-UHFFFAOYSA-N Ethene Chemical compound C=C VGGSQFUCUMXWEO-UHFFFAOYSA-N 0.000 description 2
- 239000005977 Ethylene Substances 0.000 description 2
- 238000010438 heat treatment Methods 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 239000006227 byproduct Substances 0.000 description 1
- 238000006243 chemical reaction Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000005265 energy consumption Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 238000004321 preservation Methods 0.000 description 1
- 239000002994 raw material Substances 0.000 description 1
- 238000010992 reflux Methods 0.000 description 1
- 239000013049 sediment Substances 0.000 description 1
- 239000002699 waste material Substances 0.000 description 1
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- Physical Or Chemical Processes And Apparatus (AREA)
Abstract
The utility model discloses a dehydrogenation reactor, which comprises a carrying frame, wherein an electric box is arranged at one side of the inside of the carrying frame, two peristaltic pumps are arranged at the front end of the inside of the carrying frame, which is positioned above the electric box, a numerical control display box is arranged inside the carrying frame, which is positioned above the peristaltic pumps, a curing bed reactor is arranged at one side of the top surface of the carrying frame, which is positioned on the numerical control display box, a preheater is arranged between the numerical control display box and the curing bed reactor, a combustion chamber is arranged at the bottom end of the preheater, a condenser is arranged at the bottom end of the curing bed reactor, a gas-liquid separator is arranged at the bottom end of the condenser, and a gas washing tank is arranged at one side of the condenser; the dehydrogenation reactor disclosed by the utility model can effectively utilize combustible gases such as carbon monoxide, hydrogen and the like, generate heat energy to heat the preheater, and enable the generated carbon dioxide to react reversely and chemically, so that direct discharge is avoided, and the dehydrogenation reactor is environment-friendly.
Description
Technical Field
The utility model relates to the field of dehydrogenation reactors, in particular to a dehydrogenation reactor.
Background
In the prior art, styrene is prepared by ethylbenzene dehydrogenation, ethylbenzene is taken as a raw material, dehydrogenation reaction is carried out in a dehydrogenation reactor by introducing high-temperature steam to obtain a mixed product, and then the mixed product is separated to obtain styrene, wherein the scheme particularly relates to the dehydrogenation reactor; when the existing dehydrogenation reactor is used, generated combustible gases such as carbon monoxide, hydrogen and the like are lost, the combustible gases cannot be effectively utilized, heating and heat preservation of the preheater are realized only through electric energy, the energy consumption is high, and meanwhile, formed carbon dioxide is directly discharged, so that the environment is not friendly.
Disclosure of Invention
The utility model mainly aims to provide a dehydrogenation reactor which can effectively solve the problems in the background technology.
In order to achieve the above purpose, the technical scheme adopted by the utility model is as follows:
the utility model provides a dehydrogenation reactor, includes carries on the frame, the inside of carrying on the frame is leaned on one side to install the electrical apparatus case, carry on the inside of frame and be located the top of electrical apparatus case and lean on the front end to install two peristaltic pumps, carry on the inside of frame and be located the top of peristaltic pump and install numerical control display box, carry on the top surface of frame and be located one side of numerical control display box and install the solidification bed reactor, install the pre-heater between numerical control display box and the solidification bed reactor, the combustion chamber is installed to the bottom of pre-heater, the condenser is installed to the bottom of solidification bed reactor, the gas-liquid separator is installed to the bottom of condenser, the gas-liquid separation jar is installed to one side of condenser, install the gas pipe between the export of combustion chamber and gas-washing jar, install the gas reflux pipe between the entry of combustion chamber and condenser, one side fixed mounting the aspiration pump that runs through the combustion chamber.
As a further scheme of the utility model, the outlet of the peristaltic pump is communicated with the inlet of the preheater through a pipeline, and the frame body of the preheater is fixedly connected with the carrying frame.
As a further scheme of the utility model, the outlet of the preheater is communicated with the inlet of the solidified bed reactor through a pipeline, the outlet of the solidified bed reactor is communicated with the inlet of the condenser through a pipeline, and the frame body of the condenser is fixedly connected with the carrying frame.
As a further scheme of the utility model, a gas outlet of the gas-liquid separator is communicated with an inlet of the gas washing tank through a pipeline, and a frame body of the gas washing tank is fixedly connected with the carrying frame.
As a further scheme of the utility model, the outlet of the condenser is communicated with the inlet of the gas-liquid separator through a pipeline, and the frame body of the gas-liquid separator is fixedly connected with the carrying frame.
As a further proposal of the utility model, the top end of the gas return pipe is communicated with the gas outlet of the combustion chamber.
Compared with the prior art, the utility model has the following beneficial effects:
according to the utility model, the gas-liquid separator, the gas washing tank, the combustion chamber, the gas pipe and the gas return pipe are arranged, after the mixed product enters the gas-liquid separator and is separated, gas enters the gas washing tank, sediment generated by the reaction of carbon dioxide and lime water in the gas washing tank falls into the lower tank body of the gas washing tank, carbon monoxide and hydrogen enter the combustion chamber through the gas pipe and are combusted together with air pumped by the air pump in the combustion chamber, the formed heat heats the preheater, the waste of the carbon monoxide and the hydrogen is avoided, and the combustion products, water vapor and carbon dioxide enter the condenser through the gas return pipe to be condensed and cooled.
Drawings
FIG. 1 is a schematic view showing the overall structure of a dehydrogenation reactor according to the present utility model;
FIG. 2 is a right side view of the overall structure of a dehydrogenation reactor according to the present utility model;
FIG. 3 is a front view showing the overall structure of a dehydrogenation reactor according to the present utility model.
In the figure: 1. a carrying frame; 2. an electric appliance box; 3. a numerical control display box; 4. a peristaltic pump; 5. a curing bed reactor; 6. a preheater; 7. a condenser; 8. a gas-liquid separator; 9. a gas washing tank; 10. a combustion chamber; 11. a gas pipe; 12. a gas return pipe; 13. and an air pump.
Detailed Description
The utility model is further described in connection with the following detailed description, in order to make the technical means, the creation characteristics, the achievement of the purpose and the effect of the utility model easy to understand.
As shown in fig. 1 to 3, a dehydrogenation reactor comprises a carrying frame 1, wherein an electric box 2 is installed on one side of the inside of the carrying frame 1, two peristaltic pumps 4 are installed on the front end of the inside of the carrying frame 1 and above the electric box 2, a numerical control display box 3 is installed on the inside of the carrying frame 1 and above the peristaltic pumps 4, a curing bed reactor 5 is installed on one side of the top surface of the carrying frame 1 and above the numerical control display box 3, a preheater 6 is installed between the numerical control display box 3 and the curing bed reactor 5, a combustion chamber 10 is installed at the bottom end of the preheater 6, a condenser 7 is installed at the bottom end of the curing bed reactor 5, a gas-liquid separator 8 is installed at the bottom end of the condenser 7, a gas washing tank 9 is installed at one side of the condenser 7, a gas pipe 11 is installed between the combustion chamber 10 and the outlet of the gas washing tank 9, a gas return pipe 12 is installed between the combustion chamber 10 and the inlet of the condenser 7, and a suction pump 13 is fixedly installed at one side penetrating through the combustion chamber 10.
The outlet of the peristaltic pump 4 is communicated with the inlet of the preheater 6 through a pipeline, the frame body of the preheater 6 is fixedly connected with the carrying frame 1, ethylbenzene and high-temperature water vapor are pumped into the preheater 6 through the two peristaltic pumps 4, and the mixture and the preheating are carried out in the preheater 6.
The outlet of the preheater 6 is communicated with the inlet of the solidified bed reactor 5 through a pipeline, the outlet of the solidified bed reactor 5 is communicated with the inlet of the condenser 7 through a pipeline, the frame body of the condenser 7 is fixedly connected with the carrying frame 1, the mixed ethylbenzene and high-temperature vapor enter the solidified bed reactor 5 from the outlet of the preheater 6 for dehydrogenation reaction, and the reaction product enters the condenser 7 through the outlet of the solidified bed reactor 5.
The gas outlet of the gas-liquid separator 8 is communicated with the inlet of the gas washing tank 9 through a pipeline, the frame body of the gas washing tank 9 is fixedly connected with the carrying frame 1, the reaction product is subjected to gas-liquid separation in the gas-liquid separator 8, carbon monoxide, carbon dioxide and hydrogen enter the gas washing tank 9, lime water is added into the gas washing tank 9, the carbon dioxide is absorbed by the lime water, and the carbon monoxide and the hydrogen enter the combustion chamber 10 through the gas pipe 11.
The outlet of the condenser 7 is communicated with the inlet of the gas-liquid separator 8 through a pipeline, the frame body of the gas-liquid separator 8 is fixedly connected with the carrying frame 1, the reaction product is subjected to gas-liquid separation in the gas-liquid separator 8, and other liquid byproducts such as ethylene are discharged through the liquid outlet of the gas-liquid separator 8.
The top end of the gas return pipe 12 is communicated with the gas outlet of the combustion chamber 10, and after the mixed gas in the combustion chamber 10 is combusted, generated water vapor and carbon dioxide are returned to the condenser 7 through the gas return pipe 12.
When the dehydrogenation reactor is used, a part of electric elements are arranged in an electric box 2, firstly, the dehydrogenation reactor is started through a numerical control display box 3, ethylbenzene and high-temperature steam are pumped into a preheater 6 through two peristaltic pumps 4 and mixed and preheated in the preheater 6, the mixed ethylbenzene and high-temperature steam enter a solidified bed reactor 5 through a pipeline from an outlet of the preheater 6 for dehydrogenation reaction, reaction products enter a condenser 7 through an outlet of the solidified bed reactor 5 in cooperation with the pipeline, the condensed mixed products are cooled to form a gas-liquid mixture, the gas-liquid mixture is subjected to gas-liquid separation in a gas-liquid separator 8, carbon monoxide, carbon dioxide and hydrogen enter a gas-liquid separator 9 through a gas pipe 11, the gas-liquid separator 9 is added with lime water, the formed products fall into a lower half tank body of the gas-liquid separator 9 and are discharged through an outlet at the bottom of the gas tank 9, the carbon monoxide and the hydrogen enter a combustion chamber 10 through a gas pipe 11, other liquids such as the ethylene enter the combustion chamber 10 through the gas-liquid separator 8 and are sucked into a gas-liquid return pipe 10 through a gas-liquid outlet of the gas-liquid separator 8, and the gas-liquid mixture is pumped into a gas-liquid return pipe 13 for heating the gas-liquid return pipe to produce heat in the combustion chamber 12, and the heat of the gas-liquid is returned to the combustion chamber 12, and the heat is generated.
The foregoing has shown and described the basic principles and main features of the present utility model and the advantages of the present utility model. It will be understood by those skilled in the art that the present utility model is not limited to the embodiments described above, and that the above embodiments and descriptions are merely illustrative of the principles of the present utility model, and various changes and modifications may be made without departing from the spirit and scope of the utility model, which is defined in the appended claims. The scope of the utility model is defined by the appended claims and equivalents thereof.
Claims (6)
1. A dehydrogenation reactor, characterized by: including carrying on frame (1), electric appliance box (2) are installed to the inside of carrying on frame (1) by one side, the inside of carrying on frame (1) just is located the top of electric appliance box (2) and is installed two peristaltic pump (4) by the front end, numerical control display box (3) are installed to the inside of carrying on frame (1) and the top that is located peristaltic pump (4), solidification bed reactor (5) are installed to the top surface of carrying on frame (1) and the one side that is located numerical control display box (3), install pre-heater (6) between numerical control display box (3) and solidification bed reactor (5), combustion chamber (10) are installed to the bottom of pre-heater (6), condenser (7) are installed to the bottom of solidification bed reactor (5), gas-liquid separator (8) are installed to the bottom of condenser (7), wash gas jar (9) are installed to one side of condenser (7), install gas pipe (11) between the export of combustion chamber (10) and gas jar (9), install gas extraction pipe (12) between the entry of combustion chamber (10) and condenser (7), one side of penetrating through of combustion chamber (13) is installed.
2. A dehydrogenation reactor according to claim 1, characterized in that: the outlet of the peristaltic pump (4) is communicated with the inlet of the preheater (6) through a pipeline, and the frame body of the preheater (6) is fixedly connected with the carrying frame (1).
3. A dehydrogenation reactor according to claim 1, characterized in that: the outlet of the preheater (6) is communicated with the inlet of the solidified bed reactor (5) through a pipeline, the outlet of the solidified bed reactor (5) is communicated with the inlet of the condenser (7) through a pipeline, and the frame body of the condenser (7) is fixedly connected with the carrying frame (1).
4. A dehydrogenation reactor according to claim 1, characterized in that: the gas outlet of the gas-liquid separator (8) is communicated with the inlet of the gas washing tank (9) through a pipeline, and the frame body of the gas washing tank (9) is fixedly connected with the carrying frame (1).
5. A dehydrogenation reactor according to claim 1, characterized in that: the outlet of the condenser (7) is communicated with the inlet of the gas-liquid separator (8) through a pipeline, and the frame body of the gas-liquid separator (8) is fixedly connected with the carrying frame (1).
6. A dehydrogenation reactor according to claim 1, characterized in that: the top end of the gas return pipe (12) is communicated with the gas outlet of the combustion chamber (10).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202320697109.XU CN219722851U (en) | 2023-04-03 | 2023-04-03 | Dehydrogenation reactor |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202320697109.XU CN219722851U (en) | 2023-04-03 | 2023-04-03 | Dehydrogenation reactor |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN219722851U true CN219722851U (en) | 2023-09-22 |
Family
ID=88029484
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202320697109.XU Active CN219722851U (en) | 2023-04-03 | 2023-04-03 | Dehydrogenation reactor |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN219722851U (en) |
-
2023
- 2023-04-03 CN CN202320697109.XU patent/CN219722851U/en active Active
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| Date | Code | Title | Description |
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| GR01 | Patent grant | ||
| GR01 | Patent grant |