CN2902446Y - Gas solid centrifugal type moving bed radial reactor - Google Patents
Gas solid centrifugal type moving bed radial reactor Download PDFInfo
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- CN2902446Y CN2902446Y CN 200620029863 CN200620029863U CN2902446Y CN 2902446 Y CN2902446 Y CN 2902446Y CN 200620029863 CN200620029863 CN 200620029863 CN 200620029863 U CN200620029863 U CN 200620029863U CN 2902446 Y CN2902446 Y CN 2902446Y
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Abstract
The utility model discloses an air-fixing centrifugal moving-bed radial reaction device in petroleum refining and petrochemical industries. The utility model is used to solve the problem that an air reactant inlet pipe, an air product outlet pipe and an accelerant inlet pipe of a prior reaction device are hard to distribute because the distribution space is narrow. The reaction device of the utility model is characterized in that the air reactant inlet pipe (101) comprises a vertical section and a horizontal section, wherein the vertical section is communicated with the top of a middle barrel (5), the horizontal section is connected with the side wall of a cylindrical barrel (302) of the reaction device. A dried-shrimp-waist elbow (8) is arranged between the vertical section and the horizontal section. Two connection flanges (801) are arranged respectively between one end of the dried-shrimp-waist elbow (8) and the vertical section and between the other end of the dried-shrimp-waist elbow (8) and the horizontal section. The vertical section can be provided with an expansion ring (9) to absorb the heat expansion difference generated by a shell of the reaction device and the middle barrel (5) in the vertical direction. The utility model can be used in the processes such as air-fixing continuously-moving-bed catforming.
Description
Technical field
The utility model relates to a kind of centrifugal moving bed radial gas-solid reactor of petroleum refining and petrochemical industry.
Background technology
Centrifugal moving bed radial gas-solid reactor can be used for many gas-solid phase reaction operating process of petroleum refining and petrochemical industry, for example as the continuous mutually moving-bed catalytic reforming radial reactor of gas-solid.The disclosed continuous catalytic reforming reactor of Chinese patent CN 1454972A is a kind of П type centrifugal moving bed radial gas-solid reactor.The structure of this kind reactor, mainly comprise by top end socket, cylindrical shape is simplified, bottom bulkhead is formed reactor shell, be coaxially arranged with central tube, sector drum or columnar outer net with it in the reactor shell, reactor shell is provided with gas reactant inlet tube, gaseous product outlet pipe, catalyst inlet pipe, catalyst outlet pipe.Described gas reactant inlet tube is connected with the top of central tube.Looping space between central tube and sector drum or the outer net is provided with cover plate at the top of annular space.In the operating process, be filled with catalyst in the annular space, form the beds (catalyst axially moves down gravity effect lower edge reactor) that moves.Gas reactant flowing in reactor is centrifugal flow, and promptly its flow direction is to flow to sector drum or outer net by central tube; The contact of gas-solid two-phase is the cross-flow contact in reactor.The advantage of this kind reactor is that circulation area is big and the bed flow process short, have that disposal ability is big, the air-flow pressure drop is little, bed resistance relatively evenly, use advantages such as the particle diameter of solid particle (catalyst) is less.Continuous catalytic reforming reaction is the reaction of volume increase, and promptly the volume of gaseous product is greater than the volume of gas reactant, increases gradually along the volume of the radial gas of reactor; When adopting centrifugal moving bed radial gas-solid reactor, the cross section of its gas communication also increases gradually, can make gas unlikely increase of linear speed in the Radial Flow process, more helps reforming reaction; Simultaneously, because the average linear speed of gas in beds is lower, bed pressure drop is also lower, and distribution of gas is more even.But the shortcoming that the described reactor of patent CN 1454972A exists is, gas reactant inlet tube, gaseous product outlet pipe and catalyst inlet Guan Jun are located on the top end socket of reactor, arrangement space is comparatively narrow and small, can make the layout of above-mentioned pipe relatively more difficult under some operation operating mode.
Summary of the invention
The purpose of this utility model provides a kind of centrifugal moving bed radial gas-solid reactor, be used to solve the existing gas reactant inlet tube of existing centrifugal moving bed radial gas-solid reactor, gaseous product outlet pipe and catalyst inlet pipe arrangement space comparatively narrow and small, cause it to arrange the relatively problem of difficulty.
For addressing the above problem, the technical solution adopted in the utility model is: a kind of centrifugal moving bed radial gas-solid reactor, comprise by the top end socket, cylindrical drum, the reactor shell that bottom bulkhead is formed, the interior central tube that is coaxially arranged with it of reactor shell, sector drum or outer net, the top end socket is provided with gaseous product outlet pipe, the catalyst inlet pipe, reactor shell is provided with the gas reactant inlet tube, be connected with the top of central tube, it is characterized in that: the gas reactant inlet tube is made up of vertical section and horizontal segment, vertical section is connected with the top of central tube, horizontal segment is connected on the sidewall of cylindrical drum, be provided with knee bend between vertical section and the horizontal segment, the two ends of knee bend are with being respectively equipped with adpting flange between vertical section and the horizontal segment.
Adopt the utility model, has following beneficial effect: because the gas reactant inlet tube of the utility model reactor is made up of vertical section and horizontal segment, vertical section is connected with the top of central tube, horizontal segment is connected on the sidewall of reactor cylinder shape cylindrical shell, make like this on the top end socket of reactor gaseous product outlet pipe and catalyst inlet pipe only are set, arrangement space is comparatively loose, can not cause the problem of difficult arrangement.
A kind of preferred version of the present utility model is, is provided with expansion loop on the vertical section of gas reactant inlet tube, and the outside of expansion loop is provided with protective cover.Expansion loop can the absorption reactor thermally housing and the thermal expansion dispersion that produces in vertical direction of central tube.
Below in conjunction with the drawings and specific embodiments the utility model is described in further detail.The drawings and specific embodiments do not limit the claimed scope of the utility model.
Description of drawings
Fig. 1 is a kind of centrifugal moving bed radial gas-solid reactor cutaway view vertically that sector drum is installed of the present utility model.
Fig. 2 is a kind of centrifugal moving bed radial gas-solid reactor cutaway view vertically that outer net is installed of the present utility model.
The specific embodiment
A kind of centrifugal moving bed radial gas-solid reactor of the present utility model as shown in Figure 1 (abbreviating reactor as), comprise the reactor shell of being made up of top end socket 301, cylindrical drum 302, bottom bulkhead 303, reactor shell is provided with gas reactant inlet tube 101, gaseous product outlet pipe 102, catalyst inlet pipe 201, catalyst outlet pipe 202.Wherein, gaseous product outlet pipe 102 and catalyst inlet pipe 201 are located on the top end socket 301, and catalyst outlet pipe 202 is located on the bottom bulkhead 303 and (is all adopted and be welded to connect).Be coaxially arranged with central tube 5 and sector drum 701 with it in the reactor shell, described gas reactant inlet tube 101 is connected with the top of central tube 5.Wherein sector drum 701 evenly distributes along the inwall of reactor cylinder shape cylindrical shell 302, and its perforate face contacts with catalyst, and the backboard of perforate is not near the inwall of cylindrical drum 302.The top of sector drum 701 is provided with the gas outlet, and bottom supporting is on support member 11.The bottom supporting of central tube 5 is on base 10, and base 10 is welded on the reactor bottom end socket 303.Looping space 6 between central tube 5 and the sector drum 701 is provided with cover plate 4 at the top of annular space 6; Cover plate 4 is made up of some fanning strips usually, adopts fastening connection piece (bolt and nut, connecting pin etc.) to connect between the fanning strip.Between the top of the excircle of cover plate 4 and sector drum 701, also all adopt fastening connection piece (bolt and nut, connecting pin etc.) to be connected between the inner periphery of cover plate 4 and the central tube 5.Top end socket 301 constitutes collection chamber to the space between the cover plate 4.Cover plate 4 is passed in the perforate of described catalyst inlet pipe 201 on cover plate 4, and its outlet stretches to annular space 6.Catalyst outlet pipe 202 also is connected with annular space 6.For ease of installing, dismantling, catalyst inlet pipe 201 is divided into two sections also adopts conventional removable connector to connect above cover plate 4, as adopt articulation shown in Figure 1 203 connections.
Referring to Fig. 1, the gas reactant inlet tube 101 of the utility model reactor is made up of vertical section and horizontal segment, and vertical section is connected with the top of central tube 5, and horizontal segment is connected on the sidewall of reactor cylinder shape cylindrical shell 302, connects generally all to adopt to be welded to connect.Be provided with knee bend 8 between vertical section and the horizontal segment, the two ends of knee bend 8 are with being respectively equipped with a pair of adpting flange 801 (not analysing and observe) between vertical section and the horizontal segment.Knee bend 8 is a conventional structure, and advantage is that it is less to the gas flow resistance.Adpting flange 801 also can be used for the deviation of adjustments of gas reactant entrance pipe 101 vertical sections and horizontal segment except that playing the connection effect, and is convenient to the installation of gas reactant inlet tube 101; Adpting flange 801 also can be used for regulating the centrad of central tube 5, makes it reach installation requirement.Adpting flange 801 is a conventional structure, and two flanges in the every pair of adpting flange 801 connect by fastening connection piece (bolt and nut); Be provided with gasket seal between the sealing surface of two flanges in every pair of adpting flange 801, the material of gasket seal can be chosen routinely according to the concrete operations operating mode.Adopt the structure of the utility model gas reactant inlet tube 101 shown in Figure 1, make gaseous product outlet pipe 102 and catalyst inlet pipe 201 only are set on the reactor head end socket 301, arrangement space is comparatively loose.
The gas reactant inlet tube of centrifugal moving bed radial gas-solid reactor links to each other with central tube with reactor shell.Because reactor shell is different with the material of central tube and the difference of the situation of being heated, the two can produce the inconsistent problem of thermal expansion under some operation operating mode, and act on the gas reactant inlet tube, thereby cause between the fanning strip of forming cover plate, cover plate is damaged with the connecting portion between each coupled parts, cause above-mentioned sealing everywhere to be damaged, and cause central tube distortion, central tube journal offset.Referring to Fig. 1, the utility model reactor is provided with expansion loop 9 on the vertical section of gas reactant inlet tube 101, to address this problem.Expansion loop 9 can the absorption reactor thermally housing and the thermal expansion dispersion that produces in vertical direction of central tube 5.The wave number of expansion loop 9 is generally 4～8.For preventing that gaseous product from washing away the outer surface of expansion loop 9, is provided with protective cover 901 in the outside of expansion loop 9, referring to Fig. 1.
Reactor shown in Figure 1 also can not be provided with sector drum 701 and columnar outer net 702 is set; The overall structure schematic diagram of this reactor is referring to Fig. 2.Outer net 702 and reactor shell and central tube 5 coaxial settings, looping space 6 between central tube 5 and the outer net 702 is provided with cover plate 4 at the top of annular space 6.Between the top of the excircle of cover plate 4 and outer net 702, all adopt fastening connection piece (bolt and nut, connecting pin etc.) to be connected between the inner periphery of cover plate 4 and the central tube 5.The gas outlet of looping between the top of outer net 702 and the reactor cylinder shape cylindrical shell 302, the bottom supporting of outer net 702 is (employing is welded to connect) on reactor bottom end socket 303.What reactor shown in Figure 2 was different from that the main part of reactor shown in Figure 1 promptly is its setting is outer net 702, and the structure of all the other critical pieces and the annexation all reactor with shown in Figure 1 are identical, and detailed description is omitted.
Fig. 1 and reactor shown in Figure 2 all belong to the П type centrifugal moving bed radial gas-solid reactor of top charging, top discharging, and its operation is carried out in the usual way.Being applied to continuous moving-bed catalytic reforming process with reactor shown in Figure 1 below is that example is sketched its operating process.The gas phase reforming raw oil is with after hydrogen mixes, under the pressure of 450～550 ℃ temperature, 0.2～0.9MPa, 2～6 hydrogen-oil ratio (mol ratio), enter the central tube 5 of reactor by gas reactant inlet tube 101, the cavity of central tube 5 constitutes the gas reactant flow manifold.Gas reactant radially flows to beds in the annular space 6 by central tube 5 afterwards, and reacts under the effect of catalyst.The gaseous product that is generated is then flowed in the sector drum 701 by beds, and the cavity of sector drum 701 constitutes gaseous product afflux runner.Gaseous product is flowed out by the gas outlet at sector drum 701 tops again, enters collection chamber, after be located at gaseous product outlet pipe 102 outflow reactors on the top end socket 301.In the operating process, the grain shape of used continuous catalytic reforming catalyst is spherical, and particle diameter is generally 1～2mm.This catalyst enters annular space 6 by catalyst inlet pipe 201, gravity effect lower edge reactor axially move through reactor from top to bottom, form the beds that moves down; Post catalyst reaction is flowed out by the catalyst outlet pipe of being located on the bottom bulkhead 303 202.In above-mentioned operating process, gas reactant flowing in reactor is that centrifugal flow, the contact of gas-solid two-phase are the cross-flow contact.When the utility model reactor uses columnar outer net 702 not using sector drum 701 (referring to Fig. 2), the space between outer net 702 and the reactor cylinder shape cylindrical shell 302 constitutes gaseous product afflux runner; The operating process of reactor shown in Figure 2 and reactor shown in Figure 1 is basic identical, and detailed description is omitted.Among Fig. 1 and Fig. 2, the arrow of unreceipted Reference numeral is represented the flow direction of gas reactant, gaseous product or catalyst; Among Fig. 2 the represented technical characterictic of all unaccounted Reference numerals all with Fig. 1 in identical.
The utility model mainly is that the structure of gas reactant inlet tube 101 and setting are improved; The structure of reactor remaining part such as central tube, sector drum or cylindrical shape outer net etc. and arrange all with existing conventional structure reactor in basic identical.
The utility model reactor is specially adapted to the continuous mutually moving-bed catalytic reforming process of gas-solid in petroleum refining and the petrochemical process, also be applicable to some other gas-solid continuous mutually moving bed catalytic reaction process, for example hydrocarbon dehydrogenation reaction process (catalytic dehydrogenation of paraffin dehydrogenation, dehydrogenating propane, alkylaromatic hydrocarbon etc.), aromatization process, moving bed sweetening process etc.; Can be widely used in the design of the transformation of old device or new equipment.
Claims (2)
1, a kind of centrifugal moving bed radial gas-solid reactor, comprise by top end socket (301), cylindrical drum (302), the reactor shell that bottom bulkhead (303) is formed, the interior central tube (5) that is coaxially arranged with it of reactor shell, sector drum (701) or outer net (702), top end socket (301) is provided with gaseous product outlet pipe (102), catalyst inlet pipe (201), reactor shell is provided with gas reactant inlet tube (101), be connected with the top of central tube (5), it is characterized in that: gas reactant inlet tube (101) is made up of vertical section and horizontal segment, vertical section is connected with the top of central tube (5), horizontal segment is connected on the sidewall of cylindrical drum (302), be provided with knee bend (8) between vertical section and the horizontal segment, the two ends of knee bend (8) are with being respectively equipped with adpting flange (801) between vertical section and the horizontal segment.
2, centrifugal moving bed radial gas-solid reactor according to claim 1 is characterized in that: be provided with expansion loop (9) on the vertical section of gas reactant inlet tube (101), the outside of expansion loop (9) is provided with protective cover (901).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 200620029863 CN2902446Y (en) | 2006-01-20 | 2006-01-20 | Gas solid centrifugal type moving bed radial reactor |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 200620029863 CN2902446Y (en) | 2006-01-20 | 2006-01-20 | Gas solid centrifugal type moving bed radial reactor |
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| CN2902446Y true CN2902446Y (en) | 2007-05-23 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN 200620029863 Expired - Lifetime CN2902446Y (en) | 2006-01-20 | 2006-01-20 | Gas solid centrifugal type moving bed radial reactor |
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| CN (1) | CN2902446Y (en) |
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102350273A (en) * | 2011-07-13 | 2012-02-15 | 迈瑞尔实验设备（上海）有限公司 | Cold molding apparatus for radial rector of moving bed |
| CN111693411A (en) * | 2020-07-24 | 2020-09-22 | 中国石油化工股份有限公司 | Method and device for state detection and fault diagnosis of radial reactor of moving bed |
| CN112275223A (en) * | 2019-07-25 | 2021-01-29 | 中国石化工程建设有限公司 | Centrifugal moving bed reaction system and flow-solid reaction method |
| CN114286853A (en) * | 2019-08-26 | 2022-04-05 | 环球油品有限责任公司 | Device for catalytic reforming of hydrocarbons with flow distributor and method for reforming of hydrocarbons |
| CN117482853A (en) * | 2024-01-02 | 2024-02-02 | 山东神驰石化有限公司 | Dehydrogenation reactor for organic liquid storage tank |
-
2006
- 2006-01-20 CN CN 200620029863 patent/CN2902446Y/en not_active Expired - Lifetime
Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102350273A (en) * | 2011-07-13 | 2012-02-15 | 迈瑞尔实验设备（上海）有限公司 | Cold molding apparatus for radial rector of moving bed |
| CN112275223A (en) * | 2019-07-25 | 2021-01-29 | 中国石化工程建设有限公司 | Centrifugal moving bed reaction system and flow-solid reaction method |
| CN114286853A (en) * | 2019-08-26 | 2022-04-05 | 环球油品有限责任公司 | Device for catalytic reforming of hydrocarbons with flow distributor and method for reforming of hydrocarbons |
| CN114286853B (en) * | 2019-08-26 | 2024-05-31 | 环球油品有限责任公司 | Apparatus for catalytically reforming hydrocarbons with flow distributor and method for reforming hydrocarbons |
| CN111693411A (en) * | 2020-07-24 | 2020-09-22 | 中国石油化工股份有限公司 | Method and device for state detection and fault diagnosis of radial reactor of moving bed |
| CN117482853A (en) * | 2024-01-02 | 2024-02-02 | 山东神驰石化有限公司 | Dehydrogenation reactor for organic liquid storage tank |
| CN117482853B (en) * | 2024-01-02 | 2024-03-19 | 山东神驰石化有限公司 | Dehydrogenation reactor for organic liquid storage tank |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C56 | Change in the name or address of the patentee | ||
| CP01 | Change in the name or title of a patent holder |
Address after: 100029 Beijing City, Chaoyang District Hui Street No. 6 Co-patentee after: Luoyang Petrochemical Engineering Corporation /SINOPEC Patentee after: China Petrochemical Group Corp. Address before: 100029 Beijing City, Chaoyang District Hui Street No. 6 Co-patentee before: Luoyang Petrochemical Engineering Co., China Petrochemical Group Patentee before: China Petrochemical Group Corp. |
|
| ASS | Succession or assignment of patent right |
Free format text: FORMER OWNER: SINOPEC LUOYANG PETROCHEMICAL ENGINEERING CORPORATION Effective date: 20130327 Owner name: SINOPEC LUOYANG PETROCHEMICAL ENGINEERING CORPORAT Free format text: FORMER OWNER: SINOPEC GROUP Effective date: 20130327 |
|
| C41 | Transfer of patent application or patent right or utility model | ||
| COR | Change of bibliographic data |
Free format text: CORRECT: ADDRESS; FROM: 100029 CHAOYANG, BEIJING TO: 471003 LUOYANG, HENAN PROVINCE |
|
| TR01 | Transfer of patent right |
Effective date of registration: 20130327 Address after: 471003 Zhongzhou West Road, Henan, China, No. 27, No. Patentee after: Luoyang Petrochemical Engineering Corporation /SINOPEC Address before: 100029 Beijing City, Chaoyang District Hui Street No. 6 Patentee before: China Petrochemical Group Corp. Patentee before: Luoyang Petrochemical Engineering Corporation /SINOPEC |
|
| CX01 | Expiry of patent term |
Granted publication date: 20070523 |
|
| EXPY | Termination of patent right or utility model |