CN2813088Y - Adjustable multi-point contact radial supporting structure - Google Patents
Adjustable multi-point contact radial supporting structure Download PDFInfo
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- CN2813088Y CN2813088Y CN 200520044984 CN200520044984U CN2813088Y CN 2813088 Y CN2813088 Y CN 2813088Y CN 200520044984 CN200520044984 CN 200520044984 CN 200520044984 U CN200520044984 U CN 200520044984U CN 2813088 Y CN2813088 Y CN 2813088Y
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- cylinder
- adjustable
- multiple spot
- support structure
- spacing bar
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Abstract
The utility model is a kind of adjustable multiple spot contact radial support structure, be applied to fixed bed reactors, the multilayer concentric cylinder is arranged in the reactor shell, outwards be followed successively by taper fluid distribution tube from the axle center, the catalyst Intranet, catalyst outer net and shell, between two-layer cylinder for overcoming the roundness deviation in the manufacturing and the coaxiality deviation in when assembling, some locating pieces are set, it is characterized in that: described locating piece is adjustable multiple spot contact radial support structure, this structure is made up of support and adjustable spacing bar, support is welded on the cylinder, adjustable spacing bar one end is connected with support, the other end is an external part, the end top is provided with a plurality of adjustable spacing bars for dome shape on the radial section, distribute radially.The adjustable multiple spot contact of the utility model radial support structure, the circularity and the axiality of each layer cylinder controlled in strictness, adjusting to axiality, do not need other frocks auxiliary, manufacture process, installation, the setting of use axiality have been satisfied, control accuracy is higher than the requirement of national standard to the cylinder circularity of container, thereby guarantees that the circular passage width between each layer cylinder is even, satisfies equipment operation requirement.
Description
One, technical field:
The utility model relates to a kind of parts of chemical industry equipment, particularly discloses a kind of adjustable multiple spot contact radial support structure, is applied to nucleus equipment---first, second dehydrogenation reactor of styrene of production of styrene device.
Two, background technology:
The version of styrene dehydrogenation reactor is fixed bed catalytic reactor, and the design feature of fixed bed reactors is: the multilayer concentric cylinder is arranged in the reactor shell, outwards be followed successively by taper fluid distribution tube, catalyst Intranet, outer net and shell from the axle center.Because the coaxiality deviation when roundness deviation on making and assembling easily causes the annular channel width between the cylinder inhomogeneous.Narrow for fear of runner, traditional way is that some locating pieces are set between two-layer cylinder, sees accompanying drawing 1.
The bind mode of locating piece and cylinder has several:
(1) before the cylinder assembling, locating piece one end is weldingly fixed on the cylinder, assembles cylinder then in order.This method processing is simple, more commonly used.Its shortcoming is: the size of locating piece must deduct the roundness deviation of inside and outside cylinder less than the annular channel width, otherwise can influence assembling.The locating piece size is more little, and cylinder is installed Vietnamese side just, but just more little to the control action of annular channel width.Therefore, this method is only applicable to the less demanding occasion of runner width difference.
(2) after cylinder assembling, process locating piece according to the developed width of annular channel, with the two ends of locating piece fixing respectively with inside and outside cylinder on.After fixing like this, no matter be in the equipment transportation or when lifting was in place, the shape of cylinder and relative position all can be guaranteed, and can not cause the variation of annular channel.Problem is: when the reactor operating temperature raise, the axial thermal expansion displacement of each layer cylinder was different, because the connection of locating piece is restricted the axial displacement of cylinder, produced stress and distortion.Thereby the method can not be used for high-temperature reactor.
(3) locating piece is processed according to the developed width of annular channel.During installation, locating piece one end is fixed in one deck cylinder, the other end of locating piece does not weld, and allows Cylindorical rod to expansion displacement.The defective of this method is: when cylinder moved axially, locating piece and drum surface had friction, and for catalyst gauze, the mantle friction meeting damages mesh.
China successively introduced 8 cover production of styrene devices from 1986, wherein key equipment---first, second dehydrogenation reactor of styrene---is all introduced.The nineties later stage, the organization development of group company of China Petrochemical Industry the production of styrene domestic technology.In order to avoid the patent of introducing equipment, the styrene dehydrogenation reactor adopts the structural design of the diameter of axle to fixed bed reactors.Its design feature and traditional fixed bed reactors are similar, and the multilayer concentric cylinder is promptly arranged in the reactor shell, outwards are followed successively by taper fluid distribute tube, catalyst Intranet, outer net and shell from the axle center.The design temperature of different with other fixed bed reactors is styrene dehydrogenation reactor is up to 650 ℃, and the axial expansion displacement of each layer cylinder is bigger; The reaction process technology is higher to the uniformity requirement of annular channel width.
Three, summary of the invention:
The utility model discloses a kind of adjustable multiple spot contact radial support structure, is applied to fixed bed reactors, and problem to be solved is: should guarantee that the annular channel width between each layer cylinder is even, can eliminate Cylindorical rod again to thermal expansion stress.
The utility model is achieved in that a kind of adjustable multiple spot contact radial support structure, be applied to fixed bed reactors, the multilayer concentric cylinder is arranged in the reactor shell, outwards be followed successively by taper fluid distribution tube from the axle center, the catalyst Intranet, catalyst outer net and shell, between two-layer cylinder for overcoming the roundness deviation in the manufacturing and the coaxiality deviation in when assembling, some locating pieces are set, it is characterized in that: described locating piece is adjustable multiple spot contact radial support structure, this structure is made up of support and adjustable spacing bar, support is welded on the cylinder, adjustable spacing bar one end is connected with support, the other end is an external part, the end top is provided with a plurality of adjustable spacing bars and distributes radially for dome shape on the radial section.Described radial distribution is adjustable, and the spacing bar has 6 groups or 8 groups.Adjustable multiple spot contact radial support structure is fixed spacing bar one end, and the other end contacts with cylinder point.
Adjustable multiple spot contact radial support structure is a vitals in the styrene dehydrogenation reactor.Coaxiality deviation when overcoming roundness deviation that cylinder makes and assembling, reach the uniform requirement of annular spacing, 6 groups or 8 groups (deciding according to the reactor size) adjustable multiple spot contact radial support structure are set between cylinder, this structure is made up of support and adjustable spacing bar, and the termination of stretching out of spacing bar is a sphere.
Before the cylinder assembling, support is weldingly fixed on the cylinder, the spacing bar is retracted in the support, be convenient to the assembling of each layer cylinder.Size after the spacing bar shrinks can be less than the locating piece size of prior art.Size is more little, and cylinder is installed Vietnamese side just.
After each cylinder assembling is finished, regulate the spacing pole length.Act on radial thrust on the cylinder by regulating the spacing bar, roundness deviation that can calibrated cylinder.This function can't realize on the locating piece of prior art.
After the spacing bar is regulated and is put in place, with the spacing rod lock.At this moment, the radial position of each layer cylinder is all fixing, no matter is in the equipment transportation or when lifting was in place, the shape of cylinder and relative position all can be guaranteed, and can not cause the variation of annular channel.
The beneficial effects of the utility model are: used adjustable multiple spot contact radial support structure in first, second dehydrogenation reactor of styrene, controlled the circularity and the axiality of each layer cylinder.National standard requires roundness tolerance less than 1% to the cylinder of container, and styrene dehydrogenation reactor designing requirement roundness tolerance is less than 0.3%, owing to used adjustable multiple spot contact radial support structure, the circularity of cylinder has reached designing requirement.To the adjusting of axiality, do not need other frocks auxiliary, no matter be in the device fabrication process or at equipment, to use the scene, can both utilize adjustable multiple spot contact radial support structure to implement the adjusting of axiality, satisfy equipment operation requirement.The roundness deviation and the coaxiality deviation of cylinder controlled in strictness, just can obtain uniform annular gap, and under the effect of adjustable multiple spot contact radial support structure, the annular gap remains constant uniformly.
Four, description of drawings:
Accompanying drawing 1 is a prior art styrene dehydrogenation reactor structure chart;
Accompanying drawing 2 is the utility model structure charts;
Accompanying drawing 3 is A-A cross section structure figure of accompanying drawing 2.
Among the figure: 1, taper fluid distribution tube; 2, catalyst Intranet; 3, catalyst outer net; 4, shell; 5, locating piece; 6, support; 7, adjustable spacing bar.
Five, the specific embodiment:
Adjustable multiple spot contact radial support structure is a vitals in the styrene dehydrogenation reactor.The version of styrene dehydrogenation reactor is fixed bed catalytic reactor, and its design feature is: the multilayer concentric cylinder is arranged in the reactor shell, outwards be followed successively by taper fluid distribution tube 1, catalyst Intranet 2, catalyst outer net 3 and shell 4 from the axle center.Coaxiality deviation when overcoming roundness deviation that cylinder makes and assembling, reach the uniform requirement of annular spacing, 6 groups or 8 groups (deciding according to the reactor size) adjustable multiple spot contact radial support structure are set between cylinder, this structure is made up of support 6 and adjustable spacing bar 7, and the termination of stretching out of spacing bar is a sphere.
Before the cylinder assembling, support is weldingly fixed on the cylinder, the spacing bar is retracted in the support, be convenient to the assembling of each layer cylinder.Size after the spacing bar shrinks can be less than the locating piece size of prior art.Size is more little, and cylinder is installed Vietnamese side just.
After each cylinder assembling is finished, regulate the spacing pole length.Act on radial thrust on the cylinder by regulating the spacing bar, roundness deviation that can calibrated cylinder.This function can't realize on the locating piece of prior art.
After the spacing bar is regulated and is put in place, with the spacing rod lock.At this moment, the radial position of each layer cylinder is all fixing, no matter is in the equipment transportation or when lifting was in place, the shape of cylinder and relative position all can be guaranteed, and can not cause the variation of annular channel.
Before reactor formally comes into operation, can with spacing bar shrink slightly a bit make spacing rod end head not withstand drum surface.When the reactor operating temperature raise, each layer cylinder caused axial expansion because of being heated.Owing to only be between spacing boom end and the cylinder " point contacts " that the spacing bar does not retrain the axial displacement of cylinder, the catalyst gauze surface of yet can not wearing and tearing.
Claims (3)
1. an adjustable multiple spot contacts radial support structure, be applied to fixed bed reactors, the multilayer concentric cylinder is arranged in the reactor shell, outwards be followed successively by taper fluid distribution tube from the axle center, the catalyst Intranet, catalyst outer net and shell, between two-layer cylinder for overcoming the roundness deviation in the manufacturing and the coaxiality deviation in when assembling, some locating pieces are set, it is characterized in that: described locating piece is adjustable multiple spot contact radial support structure, this structure is made up of support and adjustable spacing bar, support is welded on the cylinder, adjustable spacing bar one end is connected with support, the other end is an external part, the end top is provided with adjustable spacing bar and distributes radially for dome shape on the radial section.
2. adjustable multiple spot contact radial support structure according to claim 1, it is characterized in that: described radial distribution is adjustable, and the spacing bar has 6 groups or 8 groups.
3. adjustable multiple spot contact radial support structure according to claim 1 and 2 is characterized in that: adjustable multiple spot contact radial support structure is fixed spacing bar one end, and the other end contacts with cylinder point.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 200520044984 CN2813088Y (en) | 2005-09-13 | 2005-09-13 | Adjustable multi-point contact radial supporting structure |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 200520044984 CN2813088Y (en) | 2005-09-13 | 2005-09-13 | Adjustable multi-point contact radial supporting structure |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN2813088Y true CN2813088Y (en) | 2006-09-06 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 200520044984 Expired - Lifetime CN2813088Y (en) | 2005-09-13 | 2005-09-13 | Adjustable multi-point contact radial supporting structure |
Country Status (1)
| Country | Link |
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| CN (1) | CN2813088Y (en) |
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103657534A (en) * | 2012-09-05 | 2014-03-26 | 中国石油化工集团公司 | Fixed bed support structure with fluid distribution function and processing method thereof |
| CN104001456A (en) * | 2014-06-05 | 2014-08-27 | 中石化上海工程有限公司 | Fixed bed supporting structure with fluid distributing effect |
| CN113712576A (en) * | 2020-05-26 | 2021-11-30 | 上海联影医疗科技股份有限公司 | Rack construction and multi-modal medical imaging system |
| CN115121185A (en) * | 2022-07-22 | 2022-09-30 | 中国化学工程第三建设有限公司 | UOP propane dehydrogenation device reactor and maintenance method thereof |
| WO2023231210A1 (en) * | 2022-05-13 | 2023-12-07 | 中国化学工程第三建设有限公司 | Uop propane dehydrogenation reactor device and maintenance method therefor |
-
2005
- 2005-09-13 CN CN 200520044984 patent/CN2813088Y/en not_active Expired - Lifetime
Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103657534A (en) * | 2012-09-05 | 2014-03-26 | 中国石油化工集团公司 | Fixed bed support structure with fluid distribution function and processing method thereof |
| CN103657534B (en) * | 2012-09-05 | 2016-01-20 | 中国石油化工集团公司 | Have fixed bed supporting construction and the processing method thereof of fluid distrbution effect concurrently |
| CN104001456A (en) * | 2014-06-05 | 2014-08-27 | 中石化上海工程有限公司 | Fixed bed supporting structure with fluid distributing effect |
| CN113712576A (en) * | 2020-05-26 | 2021-11-30 | 上海联影医疗科技股份有限公司 | Rack construction and multi-modal medical imaging system |
| WO2023231210A1 (en) * | 2022-05-13 | 2023-12-07 | 中国化学工程第三建设有限公司 | Uop propane dehydrogenation reactor device and maintenance method therefor |
| CN115121185A (en) * | 2022-07-22 | 2022-09-30 | 中国化学工程第三建设有限公司 | UOP propane dehydrogenation device reactor and maintenance method thereof |
| CN115121185B (en) * | 2022-07-22 | 2023-09-15 | 中国化学工程第三建设有限公司 | UOP propane dehydrogenation device reactor and overhauling method thereof |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| ASS | Succession or assignment of patent right |
Owner name: SINOPEC SHANGHAI ENGINEERING CO., LTD. Free format text: FORMER OWNER: CHINA PETROCHEMICAL GROUP CORPORATION Effective date: 20121128 Free format text: FORMER OWNER: SINOPEC SHANGHAI ENGINEERING CO., LTD. Effective date: 20121128 |
|
| C41 | Transfer of patent application or patent right or utility model | ||
| C56 | Change in the name or address of the patentee | ||
| COR | Change of bibliographic data |
Free format text: CORRECT: ADDRESS; FROM: 100029 CHAOYANG, BEIJING TO: 200120 PUDONG NEW AREA, SHANGHAI |
|
| CP01 | Change in the name or title of a patent holder |
Address after: 100029 Beijing City, Chaoyang District Hui Street No. 6 Patentee after: CHINA PETROLEUM & CHEMICAL Corp. Patentee after: SINOPEC SHANGHAI ENGINEERING Co.,Ltd. Address before: 100029 Beijing City, Chaoyang District Hui Street No. 6 Patentee before: CHINA PETROLEUM & CHEMICAL Corp. Patentee before: Shanghai Engineering Co., Ltd., Sinopec Group |
|
| TR01 | Transfer of patent right |
Effective date of registration: 20121128 Address after: 200120 Zhang Yang Road, Shanghai, Pudong New Area, No. 769 Patentee after: SINOPEC SHANGHAI ENGINEERING Co.,Ltd. Address before: 100029 Beijing City, Chaoyang District Hui Street No. 6 Patentee before: CHINA PETROLEUM & CHEMICAL Corp. Patentee before: SINOPEC SHANGHAI ENGINEERING Co.,Ltd. |
|
| CX01 | Expiry of patent term |
Granted publication date: 20060906 |
|
| EXPY | Termination of patent right or utility model |