CN202715401U - Fixed bed catalytic reaction device capable of adjusting temperature of material at inlet - Google Patents
Fixed bed catalytic reaction device capable of adjusting temperature of material at inlet Download PDFInfo
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- CN202715401U CN202715401U CN 201220297538 CN201220297538U CN202715401U CN 202715401 U CN202715401 U CN 202715401U CN 201220297538 CN201220297538 CN 201220297538 CN 201220297538 U CN201220297538 U CN 201220297538U CN 202715401 U CN202715401 U CN 202715401U
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Abstract
The utility model provides a fixed bed catalytic reaction device capable of adjusting the temperature of a material at an inlet. A reactor is of a tube and shell type structure; a catalyst is filled in a tube bundle; two sides of the lower surface of a cylinder are provided with a first heat transfer medium inlet and a second heat transfer medium inlet; two sides of the upper surface of the cylinder are provided with a first heat transfer medium outlet and a second heat transfer medium outlet; an upper shell cover is provided with a gas inlet; a lower end cover is provided with a gas outlet; the reactor is connected to a heat exchanger through the gas inlet by virtue of a pipeline and then connected with a gas-gas heat exchanger through the heat exchanger by virtue of a pipeline; the reactor is connected to a compressor through the gas outlet by virtue of a pipeline and then the compressor is connected with the gas inlet of the reactor by virtue of a pipeline; and the reactor is connected to a steam dome through the first heat transfer medium outlet and the second heat transfer medium outlet by virtue of a pipeline and then the steam dome is connected to the first heat transfer medium outlet and the second heat transfer medium outlet of the reactor by virtue of pipelines, so that the reactor, the gas-gas heat exchanger, the heat exchanger, the steam dome and the compressor form the fixed bed catalytic reaction device capable of adjusting the temperature of reactant gas at the inlet.
Description
Technical field
The utility model relates to the chemical reaction device technical field, specifically, is a kind ofly to have added heat transmission equipment, can regulate the fixed-bed catalytic reactor of inlet feed temperature.
Background technology
In commercial process, methyl alcohol is synthetic, ammonia synthesis, carbon monodixe conversion, organic compound hydrogenation, dimethyl ether are synthetic, ethylene oxide synthesis, Fischer-Tropsch synthesis and all need to (employing solid particle catalyst) carry out catalytic reaction in fixed bed catalytic reactor with reversible exothermic reactions such as preparing methane by synthetic gas.To this, adopt at present axial flow gas phase fixed bed catalytic reactors more.The fixed bed catalytic reactor that existing pipe apparatus with catalyst inside, the outer employing of pipe water directly cool off is after maximizing, because outlet product system and import reaction gas system adopt the gas-to-gas heat exchanger direct heat transfer, advancing the product temperature of charge that goes out reactor after the temperature of charge of reactor reaction and the reaction is closely related, the inlet feed temperature is low, the outlet material temperature is just low, the inlet feed temperature is high, and the outlet material temperature is just high, advances the reactor content temperature and is determined by the outlet material temperature fully.Like this, continuous expansion along with above-mentioned production process reversible exothermic reaction industrially scalable, adopt the fixed bed catalytic reactor of outlet product system and import reaction gas system gas-gas heat exchange will exist the adjustment means single, react the untimely deficiency that waits, affect the extensive expansion of above-mentioned production process.
The utility model content
The purpose of this utility model is to address the above problem, provide a kind of and added heat transmission equipment, can regulate the fixed-bed catalytic reactor of inlet feed temperature, for methyl alcohol with reversible exothermic reaction is synthetic, ammonia synthesis, carbon monodixe conversion, organic compound hydrogenation, dimethyl ether are synthetic, ethylene oxide synthesis and with the more massive assurance that provides on the equipment of the production processes such as preparing methane by synthetic gas.
For achieving the above object, the technical scheme taked of the utility model is as follows.
A kind of fixed-bed catalytic reactor of adjustable mouth temperature of charge, contain reactor, described reactor is the shell pipe type structure, consisted of by cylindrical shell, tube bank, upper cover and low head, be filled with catalyst in tube bank, both sides are provided with heat transferring medium the first entrance and heat transferring medium the second entrance below cylindrical shell, and both sides are provided with heat transferring medium the first outlet and heat transferring medium the second outlet on cylindrical shell, be provided with gas feed at upper cover, be provided with gas vent at low head; It is characterized in that, reactor is connected to heat exchanger by gas feed by pipeline, connects gas-to-gas heat exchanger by heat exchanger by pipeline again; Reactor is connected to compressor by gas vent by pipeline, is connected to the gas feed of reactor by pipeline by compressor again; Reactor is connected to drum by described heat transferring medium the first outlet and heat transferring medium the second outlet by pipeline, be connected to again heat transferring medium the first entrance and heat transferring medium second entrance of reactor by pipeline by drum, like this, reactor has just formed the fixed bed catalytic reactor of the adjustable mouth reacting gas temperature of an integral body with gas-to-gas heat exchanger, heat exchanger, drum, compressor.
Further, described reactor is the shell pipe type structure, and wherein catalyst is contained in tube side, and heat transferring medium is walked shell side, and reaction tube diameter is Φ 38mm～Φ 50mm.Described gas-to-gas heat exchanger adopts the shell pipe type structure, and wherein tube side is by hot gas, and shell side is by cold air, and the heat exchange caliber is Φ 21～Φ 28,12～15 meters of pipe ranges.
Further, described heat exchanger adopts the shell pipe type structure, and tube side is by reaction gas, and shell side leads to heat transferring medium, can heat, and also can cool off.
Further, described drum employing draw ratio is 1:1.5～1:2.5.
The workflow of fixed-bed catalytic reactor of the present utility model is:
Can come with three kinds of methods the temperature of conditioned reaction device, can carry out on a large scale to guarantee the production process with reversible exothermic reaction:
(1) in normal productive process, the Reactor inlet gas temperature can be regulated by gas-to-gas heat exchanger, be exactly that inlet gas and reactor outlet gas carry out the heat exchange intensification by gas-to-gas heat exchanger specifically, because gas outlet temperature is certain, so this control method has limitation.
(2) utilize the syndeton of drum and reactor, thus by the reaction temperature in the pressure conditioned reaction device of regulating drum, and then affect the reactor outlet gas temperature, reach the purpose of adjusting inlet gas temperature.
(3) utilize the syndeton of reactor and compressor, by regulating compressor, the circulation that changes material in the reactor is the temperature of conditioned reaction device inlet gas recently.
(4) utilize heat exchanger directly to regulate import reacting gas temperature.
The utility model is by forming gas-to-gas heat exchanger, heat exchanger, drum, compressor and reactor the fixed-bed catalytic reactor of an integral body, can regulate the temperature of Reactor inlet material, thereby reached the purpose of this utility model, for methyl alcohol with reversible exothermic reaction is synthetic, ammonia synthesis, carbon monodixe conversion, organic compound hydrogenation, dimethyl ether are synthetic, ethylene oxide synthesis and provide the assurance on the equipment with more massive productions such as preparing methane by synthetic gas.
Description of drawings
Accompanying drawing 1 is the structural representation of the fixed-bed catalytic reactor of a kind of adjustable mouth temperature of charge of the utility model.
Label among the figure is respectively:
1, reactor; 11, cylindrical shell; 12, tube bank; 13, upper cover; 14, low head;
15, heat transferring medium the first entrance; 16, heat transferring medium the second entrance; 17, heat transferring medium the first outlet;
18, heat transferring medium the second outlet; 19, gas feed; 110, gas vent;
2, gas-to-gas heat exchanger; 3, heat exchanger; 4, drum; 5, compressor.
The specific embodiment
Below introduce the specific embodiment of the fixed-bed catalytic reactor of a kind of adjustable mouth temperature of charge of the utility model by accompanying drawing, still, enforcement of the present utility model is not limited to following form.
Referring to Fig. 1.A kind of fixed-bed catalytic reactor of adjustable mouth temperature of charge, contain reactor 1, described reactor 1 is the shell pipe type structure, mainly by cylindrical shell 11, tube bank 12, upper cover 13 and low head 14 consist of, in tube bank 12, be filled with catalyst, (on the cylindrical shell 11 of low head 14 joint portions) both sides arrange heat transferring medium the first entrance 15 and heat transferring medium the second entrance 16 below cylindrical shell 11, (on the cylindrical shell 11 of upper cover 13 joint portions) both sides arrange heat transferring medium the first outlet 17 and heat transferring medium the second outlet 18 on cylindrical shell 11, at described upper cover 13 gas feed 19 is set, at described low head 14 gas vent 110 is set.
Described reactor 1 is connected to heat exchanger 3 by described gas feed 19 places by pipeline, connects gas-to-gas heat exchanger 2 by heat exchanger 3 by pipeline again, form the syndeton of a temperature adjustment.
Reactor 1 is connected to compressor 5 by described gas vent 110 places by pipeline, is connected to again the gas feed 19 of reactor 1 by compressor 5 by pipeline, form the syndeton of another temperature adjustment.
Reactor 1 is connected to drum 4 by described heat transferring medium the first outlet 17 and heat transferring medium the second outlet 18 places by pipeline, be connected to again heat transferring medium the first entrance 15 and heat transferring medium second entrance 16 of reactor 1 by pipeline by drum 4, form the 3rd can temperature adjustment syndeton.Like this, reactor 1 and gas-to-gas heat exchanger 2 and heat exchanger 3, with drum 4, just formed the fixed bed catalytic reactor of the adjustable mouth reacting gas temperature of an integral body with compressor 5 again.
In above-mentioned implementation process, described reactor 1 is the shell pipe type structure, and wherein catalyst is contained in tube side, and heat transferring medium is walked shell side, and reaction tube diameter is Φ 38mm～Φ 50mm.Described gas-to-gas heat exchanger 2 adopts the shell pipe type structure, and wherein tube side is by hot gas, and shell side is by cold air, and the heat exchange caliber is Φ 21～Φ 28,12～15 meters of pipe ranges.Described heat exchanger 3 adopts the shell pipe type structure, and tube side is by reaction gas, and shell side leads to heat transferring medium, can heat, and also can cool off.It is 1:1.5～1:2.5 that described drum 4 adopts draw ratio.
The utility model is by forming gas-to-gas heat exchanger 2, heat exchanger 3, drum 4, compressor 5 and reactor 1 fixed-bed catalytic reactor of an integral body, can regulate the temperature of Reactor inlet material, thereby reach the purpose of this utility model, for methyl alcohol with reversible exothermic reaction is synthetic, ammonia synthesis, carbon monodixe conversion, organic compound hydrogenation, dimethyl ether are synthetic, ethylene oxide synthesis and provide assurance on the equipment with more massive productions such as preparing methane by synthetic gas.
Claims (4)
1. the fixed-bed catalytic reactor of an adjustable mouth temperature of charge, contain reactor (1), described reactor (1) is the shell pipe type structure, by cylindrical shell (11), tube bank (12), upper cover (13) and low head (14) consist of, in tube bank (12), be filled with catalyst, both sides are provided with heat transferring medium the first entrance (15) and heat transferring medium the second entrance (16) below cylindrical shell (11), both sides are provided with heat transferring medium the first outlet (17) and heat transferring medium the second outlet (18) on cylindrical shell (11), be provided with gas feed (19) at upper cover (13), be provided with gas vent (110) at low head (14); It is characterized in that, reactor (1) is connected to heat exchanger (3) by gas feed (19) by pipeline, connects gas-to-gas heat exchanger (2) by heat exchanger (3) by pipeline again; Reactor (1) is connected to compressor (5) by gas vent (110) by pipeline, is connected to the gas feed (19) of reactor (1) by pipeline by compressor (5) again; Reactor (1) is connected to drum (4) by described heat transferring medium the first outlet (17) and heat transferring medium the second outlet (18) by pipeline, be connected to again heat transferring medium the first entrance (15) and heat transferring medium second entrance (16) of reactor (1) by pipeline by drum (4), like this, reactor (1) has just formed the fixed bed catalytic reactor of the adjustable mouth reacting gas temperature of an integral body with gas-to-gas heat exchanger (2), heat exchanger (3), drum (4), compressor (5).
2. the fixed-bed catalytic reactor of a kind of adjustable mouth temperature of charge according to claim 1, it is characterized in that, described reactor (1) is the shell pipe type structure, and wherein catalyst is contained in tube side, heat transferring medium is walked shell side, and reaction tube diameter is Φ 38mm～Φ 50mm; Described gas-to-gas heat exchanger (2) adopts the shell pipe type structure, and wherein tube side is by hot gas, and shell side is by cold air, and the heat exchange caliber is Φ 21～Φ 28,12～15 meters of pipe ranges.
3. the fixed-bed catalytic reactor of a kind of adjustable mouth temperature of charge according to claim 1 is characterized in that, described heat exchanger (3) adopts the shell pipe type structure, tube side passes through reaction gas, shell side leads to heat transferring medium, can heat, and also can cool off.
4. the fixed-bed catalytic reactor of a kind of adjustable mouth temperature of charge according to claim 1 is characterized in that, it is 1:1.5～1:2.5 that described drum (4) adopts draw ratio.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201220297538 CN202715401U (en) | 2012-06-25 | 2012-06-25 | Fixed bed catalytic reaction device capable of adjusting temperature of material at inlet |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201220297538 CN202715401U (en) | 2012-06-25 | 2012-06-25 | Fixed bed catalytic reaction device capable of adjusting temperature of material at inlet |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN202715401U true CN202715401U (en) | 2013-02-06 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 201220297538 Withdrawn - After Issue CN202715401U (en) | 2012-06-25 | 2012-06-25 | Fixed bed catalytic reaction device capable of adjusting temperature of material at inlet |
Country Status (1)
| Country | Link |
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| CN (1) | CN202715401U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102744018A (en) * | 2012-06-25 | 2012-10-24 | 华东理工大学 | Fixed bed catalytic reaction device with adjustable inlet material temperature |
| CN108211778A (en) * | 2016-12-22 | 2018-06-29 | 中国石油天然气集团公司 | A kind of catalytic oxidation system and method for VOCs waste gas pollution control and treatments |
-
2012
- 2012-06-25 CN CN 201220297538 patent/CN202715401U/en not_active Withdrawn - After Issue
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102744018A (en) * | 2012-06-25 | 2012-10-24 | 华东理工大学 | Fixed bed catalytic reaction device with adjustable inlet material temperature |
| CN102744018B (en) * | 2012-06-25 | 2014-08-27 | 华东理工大学 | Fixed bed catalytic reaction device with adjustable inlet material temperature |
| CN108211778A (en) * | 2016-12-22 | 2018-06-29 | 中国石油天然气集团公司 | A kind of catalytic oxidation system and method for VOCs waste gas pollution control and treatments |
| CN108211778B (en) * | 2016-12-22 | 2020-10-09 | 中国石油天然气集团公司 | Catalytic oxidation system and method for VOCs waste gas treatment |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| EE01 | Entry into force of recordation of patent licensing contract |
Assignee: Hui Sheng (Nanjing) clean energy Limited by Share Ltd Assignor: East China University of Science and Technology Contract record no.: 2014310000093 Denomination of utility model: Fixed bed catalytic reaction device with adjustable inlet material temperature Granted publication date: 20130206 License type: Common License Record date: 20140513 Assignee: Shaanxi Changqing Energy Chemical Co., Ltd. Assignor: East China University of Science and Technology Contract record no.: 2014310000094 Denomination of utility model: Fixed bed catalytic reaction device with adjustable inlet material temperature Granted publication date: 20130206 License type: Common License Record date: 20140513 |
|
| LICC | Enforcement, change and cancellation of record of contracts on the licence for exploitation of a patent or utility model | ||
| AV01 | Patent right actively abandoned |
Granted publication date: 20130206 Effective date of abandoning: 20140827 |
|
| RGAV | Abandon patent right to avoid regrant |