CN202438303U - Heat-exchange type radial reactor of moving bed - Google Patents
Heat-exchange type radial reactor of moving bed Download PDFInfo
- Publication number
- CN202438303U CN202438303U CN2012200709404U CN201220070940U CN202438303U CN 202438303 U CN202438303 U CN 202438303U CN 2012200709404 U CN2012200709404 U CN 2012200709404U CN 201220070940 U CN201220070940 U CN 201220070940U CN 202438303 U CN202438303 U CN 202438303U
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- China
- Prior art keywords
- catalyst
- heat exchanger
- reactor
- heat
- moving bed
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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
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- Devices And Processes Conducted In The Presence Of Fluids And Solid Particles (AREA)
Abstract
The utility model provides a heat-exchange type radial reactor of a moving bed. A heat exchange effect for the reactor can be realized stably and effectively for a long time, selectivity of target products is improved, and frequency of side reaction is reduced. In addition, production requirements on chemical reaction of directly converting and preparing ethylene from natural gas and the like under conditions of high space velocity and high heat release are met. The heat-exchange type radial reactor of the moving bed comprises a reactor shell, a catalyst bed, a heat exchanger and a central tube, a catalyst inlet is arranged on the top of the reactor shell, a catalyst outlet is disposed at the bottom of the reactor shell, the upper portion of the catalyst bed is a catalyst storage area, the lower portion of the catalyst bed is a catalyst discharge area, the heat exchanger is arranged in a central area of the reactor on the outside of the catalyst bed, and heat exchange tubes of the heat exchanger are arranged concentrically.
Description
Technical field
The utility model relates to a kind of key equipment with switching through of natural gas straight system ethylene process, also can be applicable to the gas solid catalytic reaction in fields such as chemical industry, petrochemical industry and petroleum refining.
Background technology
Radial reactor is a kind of novel high-efficiency and energy-saving consersion unit; Have that resistance is little, air speed is big, can use advantage such as catalyst particle; In chemical industry, petrochemical industry, petroleum refining field, obtained extensive use, at present successful Application in courses of reaction such as ammonia synthesis, methanol production, production of styrene, catalytic reforming.
Heat exchange type moving bed radial reactor be a kind ofly can realize that catalytic reaction is carried out continuously, catalysts or adsorbent can be realized cyclic regeneration, reaction heat can long period, high efficiency is withdrawn from or the radial reactor that replenishes.For the big course of reaction of fuel factor; Temperature is extremely sensitive to course of reaction; If its chemical reaction heat can not remove timely and effectively or replenish; The purpose product or the reaction that will cause reaction temperature sharply to change, can not obtain needs can not be carried out, therefore can long period, high efficiency, stable withdrawing from effectively or additional chemical reaction heat, and be the key issue that such reactor need be puted forth effort to solve.
Summary of the invention
The utility model aims to provide a kind of novel heat exchange type moving bed radial reactor, can guarantee long-term, the stable effectively operation of reactor heat exchange, improves the purpose product selectivity, reduces side reaction and takes place.Satisfy the production requirement of chemical reactions such as switching through of natural gas straight system ethene under high-speed, the strong heat release condition.
The purpose of the utility model realizes through following technical scheme:
Heat exchange type moving bed radial reactor, it comprises reactor shell, beds, heat exchanger and central tube; Said reactor shell top is provided with the catalyst charge door, and the bottom is provided with the catalyst discharging opening; Beds top is catalyst storing district, and the bottom is the catalyst discharge zone, and heat exchanger is arranged on the outer reactor center district of beds, and it is characterized in that: the heat exchanger tube of said heat exchanger is with one heart arranges.
The further design of the utility model is: the heat exchanger tube of said heat exchanger is rounded arranges with one heart, triangle is arranged with one heart or rectangularly arrange with one heart.The heat exchanger tube of said heat exchanger is light pipe, finned tube, coiled pipe or spiral grooved tube.
The further design of the utility model also is: said central tube bottom has several ash discharging holes and a flue-dust retainer, and flue-dust retainer is positioned at the catalyst discharge zone, and the following outlet of flue-dust retainer is corresponding with catalyst discharging opening position.
The advantage of the utility model and the beneficial effect of generation:
1, the catalyst dust that deposits in the heat transfer zone can be got rid of continuously automatically, long-term, the reliable heat exchange of realization response device heat transfer zone, thus guarantee the course of reaction continous-stable.
2, the heat exchanger tube of heat transfer zone can guarantee reactor heat exchange requirement efficiently, provides or withdraw from the heat of course of reaction.
Description of drawings
Fig. 1 is the structural representation of the utility model.
Fig. 2 is that the A-A of Fig. 1 is to view.
Among the figure: 1-catalyst storing district; 2-beds; 3-flue-dust retainer; 4-catalyst discharge zone; 5-concentric circles heat exchanger tube; 6-reactor heat transfer zone; The 7-reactor shell; The 8-heat transfer zone; A-reacting gas inlet; B-product gas outlet; C-catalyst charge door; D-catalyst discharging opening; E-heat transferring medium import; F-heat transferring medium outlet; K1, k2-catalyst ash discharging hole; α 1, α 2-inclination angle (being not less than the catalyst angle of repose).
The specific embodiment
Below in conjunction with instance the utility model is done further to describe:
Like Fig. 1, shown in Figure 2, the heat exchange type moving bed radial reactor of the utility model comprises: reactor shell 7, beds 2, heat exchanger and central tube.Reactor shell 7 tops are provided with catalyst charge door c, and the bottom is provided with catalyst discharging opening d; Reactor shell 7 both sides are respectively equipped with reacting gas inlet a and product gas outlet b.Beds 2 tops are catalyst storing district 1, and the bottom is a catalyst discharge zone 4, and heat exchanger is arranged on the reactor center district outside the beds 2, like heat transfer zone 8 among the figure.
The heat exchanger of the utility model is a concentric circles heat exchanger 5, and promptly its heat exchanger tube is with one heart and arranges, can arrange for circular shape concentric, triangle is arranged with one heart or rectangularly arrange with one heart, and other any concentric form.Wherein the heat exchanger tube of heat exchanger is pattern heat exchanger tubes such as light pipe, finned tube, coiled pipe or spiral grooved tube.
The utility model also have in central tube bottom several catalyst ash discharging holes k1, k2 ... With a flue-dust retainer 3; Flue-dust retainer 3 is positioned at catalyst discharge zone 4; Flue-dust retainer 3 is collected the catalyst that ash discharging hole is discharged; 3 times outlets of flue-dust retainer are corresponding with catalyst discharging opening d position, put just to discharge the catalyst of collecting.
The structural design of the utility model; Reliably pass in and out under the precondition that reactor and catalyst can normally load and unload at protective reaction gas; Heat transfer zone at reactor has designed the concentric circles heat exchange tube structure, has offered some automatic discharge orifices and a flue-dust retainer, prevents the catalyst dust accumulation of heat transfer zone bottom; The eliminate the effects of the act factor of heat exchanger tube heat exchange, thus realize and guarantee reactor heat transfer zone long period, high efficiency, stable heat exchange requirement effectively.
Claims (4)
1. heat exchange type moving bed radial reactor, it comprises reactor shell, beds, heat exchanger and central tube; Said reactor shell top is provided with the catalyst charge door, and the bottom is provided with the catalyst discharging opening; Beds top is catalyst storing district, and the bottom is the catalyst discharge zone, and heat exchanger is arranged on the outer reactor center district of beds, and it is characterized in that: the heat exchanger tube of said heat exchanger is with one heart arranges.
2. heat exchange type moving bed radial reactor according to claim 1 is characterized in that: the heat exchanger tube of said heat exchanger is rounded arranges with one heart, triangle is arranged with one heart or rectangularly arrange with one heart.
3. heat exchange type moving bed radial reactor according to claim 1 is characterized in that: the heat exchanger tube of said heat exchanger is light pipe, finned tube, coiled pipe or spiral grooved tube.
4. heat exchange type moving bed radial reactor according to claim 1; It is characterized in that: said central tube bottom has several ash discharging holes and a flue-dust retainer; Flue-dust retainer is positioned at the catalyst discharge zone, and the following outlet of flue-dust retainer is corresponding with catalyst discharging opening position.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2012200709404U CN202438303U (en) | 2012-02-29 | 2012-02-29 | Heat-exchange type radial reactor of moving bed |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2012200709404U CN202438303U (en) | 2012-02-29 | 2012-02-29 | Heat-exchange type radial reactor of moving bed |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN202438303U true CN202438303U (en) | 2012-09-19 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2012200709404U Expired - Lifetime CN202438303U (en) | 2012-02-29 | 2012-02-29 | Heat-exchange type radial reactor of moving bed |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN202438303U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107441909A (en) * | 2017-08-29 | 2017-12-08 | 萍乡市华星化工设备填料有限公司 | Desulphurization denitration mixed reactor and desulfurization and denitrification integral process |
-
2012
- 2012-02-29 CN CN2012200709404U patent/CN202438303U/en not_active Expired - Lifetime
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107441909A (en) * | 2017-08-29 | 2017-12-08 | 萍乡市华星化工设备填料有限公司 | Desulphurization denitration mixed reactor and desulfurization and denitrification integral process |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CX01 | Expiry of patent term | ||
| CX01 | Expiry of patent term |
Granted publication date: 20120919 |