CN206152779U - Many beds reactor structure - Google Patents
Many beds reactor structure Download PDFInfo
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- CN206152779U CN206152779U CN201621105936.1U CN201621105936U CN206152779U CN 206152779 U CN206152779 U CN 206152779U CN 201621105936 U CN201621105936 U CN 201621105936U CN 206152779 U CN206152779 U CN 206152779U
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02P—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION OR PROCESSING OF GOODS
- Y02P20/00—Technologies relating to chemical industry
- Y02P20/50—Improvements relating to the production of bulk chemicals
- Y02P20/52—Improvements relating to the production of bulk chemicals using catalysts, e.g. selective catalysts
Abstract
The utility model relates to a many beds reactor structure, including import cavity, reaction cavity and the outlet chamber body to corresponding suction casing, reaction shell and the export casing of setting up, the import cavity with the sectional area of the outlet chamber body is the gradual change form, the internal bed that sets up of reaction chamber, lay the catalyst on the bed, the quantity of bed is 1~n layer, except the bed of n layer, all the other the below of bed all sets up the hierarchical feeding distributing pipe of cold burden, and wherein n is more than or equal to 1's integer, the material of casing is steel matter, the bed is the concatenation of corundum board, is equipped with a large amount of evenly distributed's fluid pore on it, the casing internal surface sets up the lining of nai high temperature thermal insulation to locate to set up the dilatation joint at it. Compared with the prior art, the utility model discloses a stress that many beds reactor structure had guaranteed structure everywhere in the tolerance zone, even, the compatibility of deformation of fluid distribution, inside and outside temperature be reasonable etc. Improves the conversion efficiency life of reactor.
Description
Technical field
The utility model is related to reactor field, more particularly to a kind of many bed reactor structures.
Background technology
At present, there are direct method and indirect method from the method for natural gas preparing ethylene.Direct method has oxidative coupling, chlorination
Coupling, direct dehydrogenation method；Indirect method is first natural gas to be converted into into synthesis gas, then by synthesis gas alkene, including improvement F-T
The methods such as method, methanol decomposition alkene.
From from the aspect of technology, the utilization of resources, environmental protection etc., indirect method is not the selection of economical rationality, and natural gas
Namely for methane oxidative coupling ethene（OCM）It is most straightforward approach, therefore in decades, OCM is always countries in the world scientist
The emphasis of research.
However, chemically the angle of property says that methane is sufficiently stable, the ethene of one of purpose product is but very active, high
The presence of gentle oxygen also cause methane and product (ethane and ethene, general name C2 hydrocarbon) be likely to by deep oxidation be CO and
COx, and the reaction is strong exothermal reaction, and this result in itself the difficulty that OCM processes are carried out.Although catalyst is opened
Send out and the research of reaction mechanism is current emphasis, but the design of reactor, engineering are amplified and flow arrangement is also industrialization
During the problem that must take into.
Utility model content
The purpose of this utility model is to overcome defect of the prior art, it is proposed that one kind is applied to methane couple second
Many bed reactor structures of alkene reaction, when reactor is under high temperature, large scale, it is ensured that everywhere the stress of structure is in tolerance zone
Interior, fluid distribution is uniform, compatibility of deformation, internal and external temperature rationally etc., finally make reactor have higher transformation efficiency and higher
Service life.
For achieving the above object, the utility model is adopted the following technical scheme that：
A kind of many bed reactor structures, including import cavity, reaction cavity and outlet cavity, and relative set import shell
The sectional area of body, reactor shell and outlet housing, the import cavity and the outlet cavity is gradual change form, the reaction
Bed is set in cavity, catalyst is laid on the bed, the quantity of the bed is 1 ~ n-layer, and each bed is in vertical direction
Upper arrangement, in addition to n-th layer bed, is respectively provided with cold burden classification charging distribution pipe below remaining described bed；Wherein n be more than
Integer equal to 1.
Preferably, many bed reactor structures are the ethylene reaction produced device of methane couple.
Preferably, the material of the suction casing, reactor shell and outlet housing is steel.
Preferably, the import cavity is flaring form, and the outlet cavity is tapered fashion.
Preferably, the import cavity is tapered fashion, and the outlet cavity is flaring form.
Preferably, the form of the bed is the splicing of corundum plate, and a large amount of equally distributed fluids are provided with the bed
Duct.
Preferably, the bed is by the supports support positioned at its bottom, and arranges dilatation joint.
Preferably, be provided with the cold burden classification charging distribution pipe of many bed reactor inside configurations it is vertical to
Under opening, below each bed the cold burden classification charging distribution pipe quantity be 2.
Preferably, the structure of reactor inside arranges and is fixed on the suction casing, reactor shell and outlet housing
High temperature resistant heat insulation lining on inner surface, the high temperature resistant heat insulation lining arranges dilatation joint.
Preferably, the connected mode of the bed, the support member and the reactor shell is to be detachably connected, it is described enter
Connected mode between mouth housing, reactor shell and outlet housing is the one kind in welding, flange connection.
Compared with prior art, the utility model has the advantages that：
Using the import cavity and outlet cavity of variable cross-section pattern, adaptation flow and pressure, make unstripped gas even into
Flow out reaction cavity and by catalyst and beds, uniform fluid distribution is conducive to improving the conversion ratio of reactor,
Extend the service life of catalyst, and can neatly adjust reaction cavity internal catalyst bed layer number, to reach optimal conversion
Demand；
Structure of reactor arranges cold burden classification charging distribution pipe, and by the way of classification charging, it advantageously reduces bed
The aggregation of reaction heat, reduces bed hot-spot, reduces side reaction, is conducive to reaction heat to recycle, and maintains reaction temperature, dimension
Reactant concentration is held, the deep oxidation of methane is reduced, C2 hydrocarbon is reduced and is oxidized, improve conversion of ethylene；
Beds adopt corundum plate, while coordinating the mode of perforate, it is ensured that fluid uniformly passes through catalyst, favorably
In its stress distribution at high temperature is improved, be conducive to high-temperature expansion to absorb and manufacture to install, bed is without swelling stress, deformation
Little, high temperature strength rigidity is preferable；
Structure of reactor housing is steel matter, and with bearing internal pressure and certain supporting role are reacted, and in housing
Portion arranges high temperature resistant heat insulation lining, can both protect outside steel construction by high temperature, and energy loss can be reduced again, improves economic effect
Benefit；Be provided with dilatation joint in high temperature resistant heat insulation lining simultaneously, absorb the high-temperature expansion amount and metal shell of knee wall and lining with
The high-temperature expansion of lining is poor.
Description of the drawings
Fig. 1 is the schematic diagram of many bed reactor structures described in the utility model；
Reference in figure is：
1st, import cavity；2nd, reaction cavity；3rd, cavity is exported；4th, suction casing；5th, reactor shell；6th, housing is exported；7、
Bed；8th, cold burden classification charging distribution pipe；9th, support member；10th, high temperature resistant heat insulation lining.
Specific embodiment
With reference to the accompanying drawings and examples, specific embodiment of the present utility model is further described.Hereinafter implement
Example is only used for clearly illustrating the technical solution of the utility model, and protection model of the present utility model can not be limited with this
Enclose.
Fig. 1 is the schematic diagram of many bed reactor structures described in the utility model.As shown in figure 1, the utility model institute
The many bed reactor structures stated, including import cavity 1, reaction cavity 2 and outlet cavity 3, and relative set suction casing 4,
The sectional area of reactor shell 5 and outlet housing 6, the import cavity 1 and the outlet cavity 3 is gradual change form, described anti-
Answer and arrange in cavity 2 bed 7, catalyst is laid on the bed 7, the quantity of the bed 7 is 1 ~ n-layer, and each bed 7 is hanging down
Nogata is arranged upwards, in addition to n-th layer bed, cold burden classification charging distribution pipe 8 is respectively provided with below remaining described bed；Wherein
N is the integer more than or equal to 1.
Embodiment one
Many bed reactor structures described in the utility model are suitable for the ethylene reaction produced device of methane couple, its housing 4,
5th, the equal steel of 6 material, import cavity 1 is flaring form, and outlet cavity 2 is tapered fashion, and the form of bed 7 is the spelling of corundum plate
Connect, and supported by the support member 9 positioned at its bottom, and dilatation joint is set, a large amount of equally distributed streams are provided with the bed 7
Body opening road, the quantity and bore size in the duct are adjusted according to equipment size, catalyst specification, raw gas flow etc. and determined,
Cold burden classification charging distribution pipe 8 is provided with opening vertically downward, the cold burden below each bed be classified into
The quantity of material distribution pipe 8 is 2, arranges high temperature resistant heat insulation lining 10 on the inner surface of the housing 4,5,6, the high temperature resistant every
Hot lining 10 arranges dilatation joint；The bed 7, the support member 9 are detachably to connect with the connected mode of the reactor shell 5
Connect, the housing 4, the connected mode between 5,6 are the one kind in welding, flange connection；
Embodiment two
The import cavity 1 is tapered fashion, and the outlet cavity 3 is flaring form, and remaining is identical with embodiment one.
Embodiment three
The quantity of the bed 7 is 1 layer, and remaining is identical with embodiment one or embodiment two.
Example IV
The quantity of the bed 7 is 5 layers, and remaining is identical with embodiment one or embodiment two.
Embodiment five
The quantity of the bed 7 is 10 layers, and remaining is identical with embodiment one or embodiment two.
Embodiment six
The quantity of the bed 7 is 15 layers, and remaining is identical with embodiment one or embodiment two.
From above-described embodiment, many bed reactor structures described in the utility model ensure that the stress of structure everywhere
In tolerance zone, fluid distribution uniform, compatibility of deformation, internal and external temperature rationally etc., finally make reactor have higher conversion effect
Rate and higher service life.
Specific embodiment of the utility model has been described in detail above, but it is only used as example, the utility model
It is not restricted to particular embodiments described above.To those skilled in the art, any equivalent that the practicality is carried out
Modifications and substitutions are also all among category of the present utility model.Therefore, the institute under without departing from spirit and scope of the present utility model
The impartial conversion of work and modification, all should cover in the range of the utility model.
Claims (9)
1. a kind of many bed reactor structures, it is characterised in that including import cavity（1）, reaction cavity（2）With outlet cavity
（3）, and relative set suction casing（4）, reactor shell（5）With outlet housing（6）, the import cavity（1）With the outlet
Cavity（3）Sectional area be gradual change form, the reaction cavity（2）Interior setting bed（7）, the bed（7）Upper laying is urged
Agent, the bed（7）Quantity be 1 ~ n-layer, each bed（7）Arrange in vertical direction, in addition to n-th layer bed, its
Cold burden classification charging distribution pipe is respectively provided with below the remaining bed（8）；Wherein n is the integer more than or equal to 1.
2. many bed reactor structures according to claim 1, it is characterised in that many bed reactor structures are first
Alkane is coupled ethylene reaction produced device.
3. many bed reactor structures according to claim 1, it is characterised in that the suction casing（4）, reactor shell
（5）With outlet housing（6）Material be steel.
4. many bed reactor structures according to claim 1, it is characterised in that the import cavity（1）For gradually expanded form
Formula, the outlet cavity（3）For tapered fashion.
5. many bed reactor structures according to claim 1, it is characterised in that the import cavity（1）For tapered
Formula, the outlet cavity（3）For flaring form.
6. many bed reactor structures according to claim 1, it is characterised in that the bed（7）Form be corundum
Plate splices, in the bed（7）It is provided with a large amount of equally distributed fluid ducts.
7. many bed reactor structures according to claim 1, it is characterised in that the bed（7）By positioned at its bottom
Support member（9）Support, and be provided with dilatation joint.
8. many bed reactor structures according to claim 1, it is characterised in that in many bed reactor structures
The cold burden classification charging distribution pipe in portion（8）It is provided with opening vertically downward, the cold burden below each bed
Classification charging distribution pipe（8）Quantity be 2.
9. many bed reactor structures according to claim 1, it is characterised in that the structure of reactor inside arranges solid
Due to the suction casing（4）, reactor shell（5）With outlet housing（6）Inner surface on high temperature resistant heat insulation lining（10）, institute
State high temperature resistant heat insulation lining（10）Dilatation joint is set.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201621105936.1U CN206152779U (en) | 2016-10-09 | 2016-10-09 | Many beds reactor structure |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201621105936.1U CN206152779U (en) | 2016-10-09 | 2016-10-09 | Many beds reactor structure |
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| Publication Number | Publication Date |
|---|---|
| CN206152779U true CN206152779U (en) | 2017-05-10 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201621105936.1U Active CN206152779U (en) | 2016-10-09 | 2016-10-09 | Many beds reactor structure |
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108993370A (en) * | 2018-10-18 | 2018-12-14 | 辽宁石油化工大学 | A kind of spiral coil isothermal reactor and its application method |
| CN109289713A (en) * | 2018-10-18 | 2019-02-01 | 辽宁石油化工大学 | A kind of mosquito-repellent incense coil pipe isothermal reactor and application method |
| CN111747821A (en) * | 2019-03-27 | 2020-10-09 | 中国石油化工股份有限公司 | Process for preparing olefin by oxidative coupling of methane |
-
2016
- 2016-10-09 CN CN201621105936.1U patent/CN206152779U/en active Active
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108993370A (en) * | 2018-10-18 | 2018-12-14 | 辽宁石油化工大学 | A kind of spiral coil isothermal reactor and its application method |
| CN109289713A (en) * | 2018-10-18 | 2019-02-01 | 辽宁石油化工大学 | A kind of mosquito-repellent incense coil pipe isothermal reactor and application method |
| CN108993370B (en) * | 2018-10-18 | 2021-01-12 | 辽宁石油化工大学 | Spiral coil isothermal reactor and use method thereof |
| CN111747821A (en) * | 2019-03-27 | 2020-10-09 | 中国石油化工股份有限公司 | Process for preparing olefin by oxidative coupling of methane |
| CN111747821B (en) * | 2019-03-27 | 2023-03-28 | 中国石油化工股份有限公司 | Process for preparing olefin by oxidative coupling of methane |
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