CN202381911U - High-temperature resistant turbulent medium nonmetal expansion joint - Google Patents
High-temperature resistant turbulent medium nonmetal expansion joint Download PDFInfo
- Publication number
- CN202381911U CN202381911U CN2011205309028U CN201120530902U CN202381911U CN 202381911 U CN202381911 U CN 202381911U CN 2011205309028 U CN2011205309028 U CN 2011205309028U CN 201120530902 U CN201120530902 U CN 201120530902U CN 202381911 U CN202381911 U CN 202381911U
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- silk screen
- expansion joint
- temperature resistant
- high temperature
- guide shell
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Abstract
The utility model relates to a high-temperature resistant turbulent medium nonmetal expansion joint, belonging to the technical field of medium conveying pipelines. The expansion joint comprises frames on two ends, an outer end of the frame is provided with a flange connected with an adjacent pipe, an inner end is provided with a bevel folded edge inclining to direction of the outer end, a flexible ring band is connected between outer edges of the bevel folded edge of the inner end of two frames; a first guide barrel and a second guide barrel which are movably sleeved with each other are respectively mounted in the frames on two ends, movably-sleeved ends of the first guide barrel and the second guide barrel are respectively connected with two ends of a silk screen sleeve, a heat insulation layer is filled between external circles of the guide barrel and the silk screen sleeve and the frames. During a working process, when the passed high-temperature turbulent medium make the frames thermally expand and deform outwards along a radial direction, the inner end of the frame has the bevel folded edge inclining in direction of the outer end so as to effectively release stress concentration at a corner of the frame.
Description
Technical field
The utility model relates to a kind of non-metal expansion joint, and especially a kind of high temperature resistant Turbulence Media non-metal expansion joint belongs to medium transport pipeline technical field.
Background technique
Understand according to the claimant, the angle on existing any adjacent both sides, non-metal expansion joint framework cross section all is the right angle, and therefore the fashionable stress concentration phenomenon that is easy to generate causes destroying in the high-temperature field in use; Heat-insulating layer all adopts fibre cloth and/or silk screen parcel, and under high temperature Turbulence Media situation, especially in the gas turbine outlet conduit, the thermal insulation material runs off and causes the non-metal expansion joint failure phenomenon from silk screen easily; Guide shell all adopts the straight-tube structure, washes away down at medium, causes the silk screen breakage easily, comes off, and then cause the inefficacy of insulating structure.
The model utility content
The primary and foremost purpose of the utility model is: to the problem of above-mentioned existing technology existence; Propose the high temperature resistant Turbulence Media non-metal expansion joint that a kind of effectively relieve stresses is concentrated, thereby guarantee that whole pipe-line system also can work reliably and with long-term under the high temperature Turbulence Media.
The further purpose of the utility model is: propose a kind of high temperature resistant Turbulence Media non-metal expansion joint that can avoid the thermal insulation material to run off.
The utility model purpose further is: propose a kind of silk screen of can avoiding and receive medium to wash away damaged high temperature resistant Turbulence Media non-metal expansion joint.
In order to reach above purpose; The high temperature resistant Turbulence Media non-metal expansion joint of the utility model comprises the framework at two ends; The outer end of said framework has and is used for and the adjacent channel flange connecting; The inner has the oblique angle flanging of extreme direction inclination outwardly, is connected with soft ring band between the oblique angle flanging outer rim of said two frameworks the inner, and first guide shell and second guide shell of mutual kink is housed respectively in the framework at said two ends; The kink end of said first and second guide shells is connected with the two ends of silk screen cover respectively, stuffed heat insulated layer between the cylindrical of said guide shell and silk screen cover and the said framework.
During work, when the high temperature Turbulence Media of passing through causes framework thermal expansion outwardly when distortion radially, because framework the inner has the oblique angle flanging that extreme direction outwardly tilts, the stress that therefore can alleviate frame corner portion is effectively concentrated.
In order to reach further purpose; Said silk screen cover is had support ring respectively by two ends outer silk screen chuck constitutes with the liner silk screen that is clamped in the outer silk screen chuck; Said liner silk screen comprises second silk screen that first silk screen that outer end and outer silk screen chuck one end support ring are connected and outer end and outer silk screen chuck the other end support ring are connected; The near-end of said first silk screen and second silk screen overlaps each other, and the order number of said outer silk screen cover is less than the order number of said liner silk screen.Especially, the silking direction of said outer silk screen and guide shell axioversion, and the silking direction of liner silk screen and guide shell parallel to an axis or vertical.Like this, first and second silk screens of comparatively fine and close liner silk screen each other can be in a big way slippage relatively arbitrarily, even the distortion of framework expanded by heating can not change the order number because of stretch thereupon yet, thereby can avoid the thermal insulation material to run off from silk screen.
In order to reach purpose further, the kink end of said first guide shell and second guide shell forms respectively towards the convergent mouth of the mutual sleeve of media flow direction and flaring mouth.Can effectively protect silk screen like this, avoid washing away breakage down, coming off at medium.
In a word, the framework of the utility model has adopted the non-right angle docking structure, effectively reduces the stress that material deformation causes under the high temperature and concentrates; The silk screen cover adopts multilayer build-up, the especially outer oblique angle structures arranged that adopts, and has guaranteed that silk screen overlaps each to deformation ability, has effectively avoided the leakage of heat-insulating layer under the turbulent flow; Guide shell directly contacts with framework is non-, has reduced heat loss, simultaneously adopts tubaeform cross section structure with silk screen cover abutting end, has avoided medium directly to wash away silk screen and the failure phenomenon that causes.
Description of drawings
Below in conjunction with accompanying drawing the utility model is further described.
Fig. 1 is an embodiment's of the utility model a structural representation.
Fig. 2 is the structural representation among Fig. 1 embodiment.
Fig. 3 and Fig. 4 are respectively the reticulate structure schematic representation among Fig. 2.
Embodiment
Embodiment one
The high temperature resistant Turbulence Media non-metal expansion joint of present embodiment is shown in accompanying drawing 1; The framework 1 that comprises two ends; The outer end of framework be used for being connected with adjacent channel flange connecting 2 welding, the inner has the oblique angle flanging 1-1 that extreme direction outwardly tilts, the outer rim of oblique angle flanging 1-1 has horizontal flange 1-2; Two frameworks, 1 inner oblique angle flanging outer rim grips the two ends of soft ring band 5 through the pressing plate ring 6 of hoop outside horizontal flange 1-2 by fastening piece 7 respectively, thereby forms reliable annexation.Through suspension rod 10 first guide shell 9 of mutual kink is housed respectively in the framework 1 at two ends and the kink end of second guide shell, 8, two guide shells forms convergent mouth and flaring mouth towards the mutual sleeve of media flow direction respectively.The kink end of first and second guide shells 9,8 is connected with the two ends of silk screen cover 4 respectively.The structure of silk screen cover 4 is as shown in Figure 2; The outer silk screen chuck 4-2 that is had metal supporting rings 4-3 by two ends respectively constitutes with the liner silk screen 4-1 that is clamped in the outer silk screen chuck; Outer silk screen cover 4-2 constitutes (referring to Fig. 4) by the less twill silk screen of order number; Two ends form and hold the C shape of support ring 4-3, and the middle part forms internal layer and the skin of clamping liner silk screen 4-1, and its silking axially becomes with guide shell ± 45.Liner silk screen 4-1 comprises that the outer end walks around silk screen chuck one end support ring and first silk screen that is connected of welding; And the outer end is walked around outer silk screen chuck the other end support ring and is welded second silk screen that is connected; The near-end of first silk screen and second silk screen overlaps each other; Its order number is greater than the order number of outer silk screen chuck, and is therefore comparatively fine and close; Its silking direction is as shown in Figure 3, with guide shell parallel to an axis or vertical.Stuffed heat insulated layer 3 between the cylindrical of guide shell and silk screen cover and the framework.
During work, when high temperature causes framework radially during thermal expansion outwardly, because the framework cross section has the oblique angle flanging, the stress that therefore can effectively alleviate frame corner portion is concentrated.When receiving stretching, compression, deflection, reversing or during compound motion; Because the two-layer liner silk screen in the silk screen cover can slide and fit all the time along any direction each other; The outer silk screen cover of outsourcing simultaneously adopts twill; Can be like a cork by the axial push-pull and the laterally changing of the relative positions, so the silk screen cover not only can effectively absorb stretching, compression, deflection, reverse or the compound motion displacement, even and can guarantee that heat-insulating layer can not run off under the turbulent flow situation yet.Have enough elasticity owing to the silk screen cover simultaneously, so working life is longer.And the guide shell 8 of horn mouth sleeve structure and 9 can effectively stop the high temperature Turbulence Media to be washed away what silk screen overlapped, has guaranteed that silk screen is intact for a long time.
Except that the foregoing description, the utility model can also have other mode of executions.For example, except that the cross section is the pipeline of circle, also go for the pipeline of rectangle and other shape.All employings are equal to the technological scheme of replacement or equivalent transformation formation, all drop on the protection domain of the utility model requirement.
Claims (7)
1. high temperature resistant Turbulence Media non-metal expansion joint; The framework that comprises two ends; The outer end of said framework has and is used for and the adjacent channel flange connecting; It is characterized in that: the inner of said framework has the oblique angle flanging of extreme direction inclination outwardly, is connected with soft ring band between the oblique angle flanging outer rim of said two frameworks the inner, and first guide shell and second guide shell of mutual kink is housed respectively in the framework at said two ends; The kink end of said first and second guide shells is connected with the two ends of silk screen cover respectively, stuffed heat insulated layer between the cylindrical of said guide shell and silk screen cover and the said framework.
2. high temperature resistant Turbulence Media non-metal expansion joint according to claim 1; It is characterized in that: said silk screen cover is had support ring respectively by two ends outer silk screen chuck constitutes with the liner silk screen that is clamped in the outer silk screen chuck; Said liner silk screen comprises second silk screen that first silk screen that outer end and outer silk screen chuck one end support ring are connected and outer end and outer silk screen chuck the other end support ring are connected; The near-end of said first silk screen and second silk screen overlaps each other, and the order number of said outer silk screen cover is less than the order number of said liner silk screen.
3. high temperature resistant Turbulence Media non-metal expansion joint according to claim 2 is characterized in that: the silking direction of said outer silk screen and guide shell axioversion, the silking direction of said liner silk screen and guide shell parallel to an axis or vertical.
4. high temperature resistant Turbulence Media non-metal expansion joint according to claim 3 is characterized in that: the kink end of said first guide shell and second guide shell forms respectively towards the convergent mouth of the mutual sleeve of media flow direction and flaring mouth.
5. high temperature resistant Turbulence Media non-metal expansion joint according to claim 4; It is characterized in that: the outer rim of said oblique angle flanging has horizontal flange, and the inner oblique angle flanging outer rim of two frameworks grips the two ends of soft ring band respectively through the pressing plate ring of hoop outside horizontal flange.
6. high temperature resistant Turbulence Media non-metal expansion joint according to claim 5 is characterized in that: the two ends of said outer silk screen cover form and hold the C shape of support ring, and the middle part forms the internal layer and the skin of clamping liner silk screen.
7. high temperature resistant Turbulence Media non-metal expansion joint according to claim 6 is characterized in that: the outer end of said first silk screen is walked around silk screen chuck one end support ring and is connected, and the outer end of said second silk screen is walked around outer silk screen chuck the other end support ring and is connected.
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CN2011205309028U CN202381911U (en) | 2011-12-19 | 2011-12-19 | High-temperature resistant turbulent medium nonmetal expansion joint |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CN2011205309028U CN202381911U (en) | 2011-12-19 | 2011-12-19 | High-temperature resistant turbulent medium nonmetal expansion joint |
Publications (1)
Publication Number | Publication Date |
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CN202381911U true CN202381911U (en) | 2012-08-15 |
Family
ID=46630414
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
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CN2011205309028U Withdrawn - After Issue CN202381911U (en) | 2011-12-19 | 2011-12-19 | High-temperature resistant turbulent medium nonmetal expansion joint |
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CN (1) | CN202381911U (en) |
Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN102434751A (en) * | 2011-12-19 | 2012-05-02 | 南京晨光汉森柔性管有限公司 | High-temperature-resisting turbulence medium non-metal expansion joint |
CN110016724A (en) * | 2019-05-29 | 2019-07-16 | 山东鲁阳节能材料股份有限公司 | A kind of refractory fibre tumbling machine |
-
2011
- 2011-12-19 CN CN2011205309028U patent/CN202381911U/en not_active Withdrawn - After Issue
Cited By (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN102434751A (en) * | 2011-12-19 | 2012-05-02 | 南京晨光汉森柔性管有限公司 | High-temperature-resisting turbulence medium non-metal expansion joint |
CN102434751B (en) * | 2011-12-19 | 2013-04-24 | 南京晨光汉森柔性管有限公司 | High-temperature-resisting turbulence medium non-metal expansion joint |
CN110016724A (en) * | 2019-05-29 | 2019-07-16 | 山东鲁阳节能材料股份有限公司 | A kind of refractory fibre tumbling machine |
CN110016724B (en) * | 2019-05-29 | 2022-01-25 | 山东鲁阳节能材料股份有限公司 | Fire-resistant fiber throwing machine |
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Legal Events
Date | Code | Title | Description |
---|---|---|---|
C14 | Grant of patent or utility model | ||
GR01 | Patent grant | ||
AV01 | Patent right actively abandoned |
Granted publication date: 20120815 Effective date of abandoning: 20130424 |
|
RGAV | Abandon patent right to avoid regrant |