CN206156745U - Novel isothermal shift -converter - Google Patents
Novel isothermal shift -converter Download PDFInfo
- Publication number
- CN206156745U CN206156745U CN201621071514.7U CN201621071514U CN206156745U CN 206156745 U CN206156745 U CN 206156745U CN 201621071514 U CN201621071514 U CN 201621071514U CN 206156745 U CN206156745 U CN 206156745U
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- CN
- China
- Prior art keywords
- heat exchanger
- drum
- housing
- casing
- inner housing
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired - Fee Related
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Abstract
The utility model provides a novel isothermal shift -converter includes the casing, is in the steam pocket is installed at the casing top, inlet tube and the inside intercommunication of steam pocket, and casing inside is equipped with interior casing, and the inner shell body wall is equipped with the aperture, and the catalyst is equipped with in the internal portion of inner shell, and the casing lower part is equipped with the discharge, and the discharge surface is equipped with the gas collection hole, many heat exchange tubes of steam pocket sub -unit connection are including establish in the casing. The utility model has the advantages of, the device thoroughly solves reactor that heat exchange tube expend with heat and contract with cold leads to and reveals the problem, can the long period run of assurance system, improve ammonia plant process systems's stability greatly.
Description
Technical field
The utility model is related to a kind of chemical unit device, and in particular to a kind of new shift-converter, can instead
Answer the torrid zone to go out reaction system, maintain reaction system temperature, be conducive to the carrying out of exothermic reaction, accelerate reaction speed.So as to
The quantity of reactor is reduced, and reclaims the secondary heat of reaction.The device is particularly well-suited to coal chemical industry enterprises production synthesis ammonia, needs one
The technique that carbonoxide is converted to hydrogen.
Background technology
Hydrogen is the basic material for synthesizing ammonia, and coal chemical industry enterprises produce ammonia synthesis process, and what the gas making stage mainly produced is
Hydrogen and carbon monoxide, are that production synthesis ammonia needs hydrogen as much as possible, and carbon monoxide can make synthetic ammonia catalyst
Poisoning, and produce the accessory substances such as methane.Then carbon monoxide transformation technical conversion is just generated, conversion is the pass of ammonia enterprise
One of key operation.
Carbon monodixe conversion is exothermic reaction, and traditional handicraft adopts adiabatic reactor, to prevent reaction from causing conversion catalysis
Agent overtemperature simultaneously reaches the concentration requirement of carbon monoxide, it usually needs the multiple adiabatic reactors of series connection.To reclaim the secondary heat of reaction, conversion
Also need to add multiple heat transmission equipments between reactor.Whole system is huge, and operating difficulties.
In recent years, there is technology enterprise to propose the concept of isothermal conversion, and develop equipment.Isothermal change furnace, can be by
The secondary heat of reaction is taken away in time, enables carbon monodixe conversion deep reaction, and using less reactor an oxidation is just disclosure satisfy that
Concentration of carbon demand.And isothermal reactor is able to maintain that reaction bed temperature is stablized, and greatly improves catalyst service life.Mesh
Front isothermal conversion process has developed into ripe, and the problem that isothermal reactor equipment generally existing is easily revealed, main cause
Many Deng reactor heat exchanger tube quantity, equipment is stopped transport with temperature difference during operation greatly, and heat exchanger tube thermal expansion amount is big, and heat exchanger tube fixed bit holds very much
Easily reveal.
The content of the invention
The purpose of this utility model is to provide a kind of Novel isothermal shift-converter, can be with temperature shift reactions such as effective controls
Temperature inside device, solves heat exchanger tube and expands with heat and contract with cold caused reactor leakage problem, ensure that system long-term operation, greatly
The big stability for improving synthetic ammonia installation process system.
Realizing the technical scheme of invention is, a kind of Novel isothermal shift-converter includes housing, in case top peace
Equipped with drum, water inlet pipe is connected with inside steam drum, and enclosure interior is provided with inner housing, and inner casing body wall is provided with aperture, inside inner housing
Equipped with catalyst, lower housing portion is provided with discharge, and gas collection pipe surface is provided with gas collection hole；
Drum bottom connects many heat exchanger tubes, and heat exchanger tube is located in inner casing body.
Further, dividing plate is provided with drum, drum is divided into into upper space, lower space, water inlet pipe is empty with bottom
Between connect, heat exchanger tube import connects with lower space, export and connected with upper space.
Further, many heat exchanger tubes are uniformly arranged in inner casing body；
Described heat exchanger tube includes multiple first pipelines triangular in shape and the inlet tube, the outlet that connect different first pipelines
Pipe, inlet tube is connected with lower space, and outlet is connected with upper space.
Further, it is additionally provided with manhole on housing.
Further, catalyst charge hole, catalyst dumping pit are additionally provided with inner housing.
The utility model is that traditional isothermal reactor water-steam flow is substantially compared with other isothermal reactor differences
Bottom header water distribution, top drum collection vapour, heat exchanger tube is fixed at the upper and lower two ends of reactor, and heat exchanger tube thermal expansion is asked
Topic cannot overcome.Same one end that heat exchanger tube is fixed on same shift-converter of the invention, the i.e. top and the bottom of drum, it is thorough
Bottom solves the expansion issues of heat exchanger tube, so as to solve the most important reason that leakage occurs in isothermal reactor.The present invention is in drum
Dividing plate is set, using larger-diameter water inlet pipe, maintainer is entered in drum, if single heat exchange tube occurs leakage and asks
Topic, can overhaul plan.
To ensure that heat exchanger tube can be uniformly distributed, the present invention is by heat exchange tube design into fan or radial arrangement.According to anti-
The system requirements answered arranges heat exchanger tube radical and arrangement density.
The utility model has the advantages that：
1st, the utility model provides a kind of new isothermal reactor；
2nd, this Novel isothermal shift-converter thoroughly solves heat exchanger tube and expands with heat and contract with cold caused reactor leakage problem.
3rd, the utility model ensure that system long-term operation, greatly improve stablizing for synthetic ammonia installation process system
Property.
Description of the drawings
With reference to the accompanying drawings and examples the utility model is described in further detail.
Fig. 1 is the utility model schematic diagram.
Fig. 2 is the top view of Fig. 1.
Fig. 3 heat exchanger tube operating diagrams.
Fig. 4 is heat exchanger tube preferred structure schematic diagram.
Such as in figure, housing 1, manhole 2, catalyst charge hole 3, drum 4, dividing plate 5, heat exchanger tube 6, inner housing 7, discharge 8,
Catalyst dumping pit 9, water inlet pipe 10.
Specific embodiment
As in Fig. 1, a kind of Novel isothermal shift-converter includes housing 1, and at the top of the housing 1 drum 4 is provided with, and enters
Water pipe 10 is connected with the inside of drum 4, it is preferred that be provided with dividing plate 5 in drum 4, drum 4 is divided into into upper space, lower space,
Water inlet pipe 10 is connected with lower space, and the import of heat exchanger tube 6 connects with lower space, export and connected with upper space, inside housing 1
Inner housing 7 is provided with, the wall of inner housing 7 is provided with aperture, and the inside of inner housing 7 is equipped with catalyst, and the bottom of housing 1 is provided with discharge 8, gas collection
The surface of pipe 8 is provided with gas collection hole, and heat exchanger tube 6 is located in inner housing 7, it is preferred that many heat exchanger tubes 6 are uniform in inner housing 7
Arrange；Preferably, it is additionally provided with manhole 2 on housing 1；
Catalyst charge hole 3, catalyst dumping pit 9 are additionally provided with inner housing 7, staff can be entered by manhole 2
In housing 1.
As in Fig. 4, heat exchanger tube 6 include multiple first pipelines triangular in shape and connect different first pipelines inlet tube,
Outlet, inlet tube is connected with lower space, and outlet is connected with upper space.
As in Fig. 3, water enters the lower space of drum 4 by water inlet pipe 10, and the lower space of water Jing drums 4 passes through heat exchanger tube 6
Import enter inside heat exchanger tube 6, heat exchanger tube 6 is changed into water vapour going out from heat exchanger tube 6 in the inner housing 7 in heat exchange, heat exchanger tube 6
Mouth accesses the upper space of drum 4, and leaves reactor from the upper space of drum 4；
Inner housing（7）Inside be equipped with catalyst, bottom place porcelain ball, reacting gas enter cylinder 1 and pass through aperture with it is interior
The space of cylinder 7 is reacted into catalyst layer, then goes out cylinder 1 by discharge 8.
Specific implementation process：Conversion gas from apparatus and process mouth of pipe access arrangement housing 1, by housing and the gap of inner casing,
Then pass through inner housing 7 and enter beds, reactor is gone out into discharge after reaction.In course of reaction, heat exchanger tube temperature
Raise, heat exchanger tube on-fixed end is in any free wxpansion of beds.Water can be added to drum, Jing through external impetus equipment
Drum lower space is crossed, heat exchanger tube heat exchange is changed into entering drum upper space after water vapour.
Dividing plate 5 is set in drum 4 adopts removable seal, dividing plate outer ring to be welded on drum with water inlet pipe 10, inner ring with enter
Water pipe 10 adopts bolt+briquetting+packing seal.Using compared with Large Diameter Pipeline, people can crawl into drum, and water inlet pipe to water inlet pipe 10 from the pipe
10 can integrally extract drum out.
The depth of the arrangement density of heat exchanger tube 6 and insertion beds is according to correlation model calculating and setting.
Claims (5)
1. a kind of Novel isothermal shift-converter, it is characterised in that：The isothermal shift-converter includes housing（1）, described
Housing（1）Top is provided with drum（4）, water inlet pipe（10）With drum（4）Inside connection, housing（1）Inside is provided with inner housing
（7）, inner housing（7）Wall is provided with aperture, inner housing（7）Inside is equipped with catalyst, housing（1）Bottom is provided with discharge（8）, gas collection
Pipe（8）Surface is provided with gas collection hole；
Drum（4）Bottom connects many heat exchanger tubes（6）, heat exchanger tube（6）It is located at inner housing（7）It is interior.
2. a kind of Novel isothermal shift-converter according to claim 1, it is characterised in that：The drum（4）Interior setting
There is dividing plate（5）, by drum（4）It is divided into upper space, lower space, water inlet pipe（10）Connect with lower space, heat exchanger tube（6）Enter
Mouthful connect with lower space, export and connected with upper space.
3. a kind of Novel isothermal shift-converter according to claim 2, it is characterised in that：The many heat exchanger tubes（6）
In inner housing（7）Inside it is uniformly arranged；
Described heat exchanger tube（6）Inlet tube, outlet including multiple first pipelines triangular in shape and different first pipelines of connection
Pipe, inlet tube is connected with lower space, and outlet is connected with upper space.
4. a kind of Novel isothermal shift-converter according to claim 1, it is characterised in that：The housing（1）On also set
There is manhole（2）.
5. a kind of Novel isothermal shift-converter according to claim 1, it is characterised in that：The inner housing（7）It is upper to go back
It is provided with catalyst charge hole（3）, catalyst dumping pit（9）.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201621071514.7U CN206156745U (en) | 2016-09-22 | 2016-09-22 | Novel isothermal shift -converter |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201621071514.7U CN206156745U (en) | 2016-09-22 | 2016-09-22 | Novel isothermal shift -converter |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN206156745U true CN206156745U (en) | 2017-05-10 |
Family
ID=58651149
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201621071514.7U Expired - Fee Related CN206156745U (en) | 2016-09-22 | 2016-09-22 | Novel isothermal shift -converter |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN206156745U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108325476A (en) * | 2018-02-08 | 2018-07-27 | 湖南安淳高新技术有限公司 | A kind of suspension type U-shaped vapour pipe isothermal reactor and reaction method |
-
2016
- 2016-09-22 CN CN201621071514.7U patent/CN206156745U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108325476A (en) * | 2018-02-08 | 2018-07-27 | 湖南安淳高新技术有限公司 | A kind of suspension type U-shaped vapour pipe isothermal reactor and reaction method |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20170510 |