CN202708446U - Externally water-cooled and internally insulated high-pressure high-temperature expansion joint - Google Patents
Externally water-cooled and internally insulated high-pressure high-temperature expansion joint Download PDFInfo
- Publication number
- CN202708446U CN202708446U CN 201220331857 CN201220331857U CN202708446U CN 202708446 U CN202708446 U CN 202708446U CN 201220331857 CN201220331857 CN 201220331857 CN 201220331857 U CN201220331857 U CN 201220331857U CN 202708446 U CN202708446 U CN 202708446U
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- expansion joint
- pressure
- bearing ring
- temperature expansion
- inside lining
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Abstract
The utility model discloses an externally water-cooled and internally insulated high-pressure high-temperature expansion joint. The expansion joint is characterized in that the two ends of a corrugated pipe (1) are connected with two pressure bearing ring plates (7) respectively; the pressure bearing ring plates (7) are arranged on the outer sidewalls of two connecting pipes (4) respectively; the outer end parts of the connecting pipes (4) are connected with own corresponding flanges (3) respectively; water jackets (5) positioned outside the connecting pipes (4) are arranged between the pressure bearing ring plates (7) and the flanges (3); the inner end parts of the connecting pipes (4) are connected with two lining barrels (14) of which barrel bodies are partially staggered; zirconium-containing fiber blanket components (15) are arranged on the outer sidewalls of the lining barrels; and zirconium-containing cellucotton (16) is filled in inner corrugate gaps of the corrugated pipe (1). After the expansion joint is used for an air power pipeline, the abnormal deformation of the expansion joint is avoided, the compensation action of the expansion joint is flexible and reliable, force and torque born by main equipment are reduced to be lower than permitted maximum force and permitted maximum torque, and the equipment and the pipeline can run stably.
Description
Technical field
The utility model relates to a kind of high temperature air service line expansion joint.
Background technique
High temperature air service line medium is high-temperature fuel gas, and design temperature is up to 800 ℃, and design pressure 1MPa has specific (special) requirements to the structural design of expansion joint, and conventional expansion joint can not satisfy the design condition of above-mentioned high temperature, high pressure.
Summary of the invention
The purpose of this utility model is exactly for high temperature air service line expansion joint high temperature, the danger of high pressure, harsh operating mode, and thermal insulation high pressure-temperature expansion joint in a kind of outer water-cooled that improves expansion joint safety in utilization under high temperature, high pressure operating mode is provided.
The technical solution adopted in the utility model is as follows:
Thermal insulation high pressure-temperature expansion joint in a kind of outer water-cooled, it is characterized in that it includes bellows, the bellows two ends are connected with two pressure-bearing ring flat-plates respectively, two pressure-bearing ring flat-plates are installed in respectively the outer side wall of two adapters, the outboard end of described two adapters all is connected with each self-corresponding flange, between described pressure-bearing ring flat-plate and flange, be provided with and be in the water jacket of taking over the outside, the inner end of described two adapters is connected with the staggered inside lining sleeve of two part cylindrical shells, the outer side wall of described inside lining sleeve is provided with and contains zirconium tapetum fibrosum assembly, and the inboard gap location of the waveform of described bellows is filled with and contains the zirconium cellucotton.
The trough place hoop of described bellows has the armouring ring.
Described water jacket carries out radial location by the equally distributed four sections round steel that are welded in the adapter, and described round steel is at water jacket and between taking over.
Described outer side wall circumferencial direction at water jacket is provided with a plurality of equidistant outer reinforcement floors of arranging, and described outer reinforcement floor is welded and fixed with the pressure-bearing ring flat-plate simultaneously.
The described zirconium tapetum fibrosum assembly that contains is wrapped in successively by ceramic fiber cloth, Stainless Steel Cloth and contains the zirconium tapetum fibrosum and form outward, and from coil to coil is wrapped on the inside lining sleeve.
Described two pressure-bearing ring flat-plate inboards are equipped with equidistant a plurality of interior deep floor of arranging on the circumferencial direction, and described interior deep floor is welded and fixed with pressure-bearing ring flat-plate and adapter simultaneously.
The right-hand end of the inside lining sleeve that one of them bore of inside lining sleeve that described two part cylindrical shells interlock is larger links to each other with the enforced loop plane that is welded on the adapter outer wall, and the right-hand end that the left end of the inside lining sleeve that another bore is less and the left side are taken over is welded and fixed.Whole ring is carried out around sealing by the flexible sealing net of metal braided steel wire in gap between two inside lining sleeve alternating shares, and the flexible sealing net is positioned by the circumferential equally distributed pressure ring that is welded on the inside lining sleeve.
Described outer reinforcement floor carries out axially locating to the armouring ring of end.
The beneficial effects of the utility model have:
After the aerodynamic force pipeline adopts behind the expansion joint of the present utility model, the force and moment that expansion joint bears without unusual distortion, compensating movement flexibility and reliability, main equipment all is reduced to the maximum, force of permission and below the moment values, satisfy pipeline full and down length and move safely and reliably in week, equipment and pipeline performance are stable.
Concrete effect is as follows:
1. adapter, flange and pressure-bearing ring flat-plate place are behind the high-speed circulating water for cooling, and cooling-down effect is obvious, and bearing capacity improves, and without unusual distortion, structural safety is reliable after pipeline and the expansion joint stable operation.
The bellows place through interior heat insulation after cooling-down effect obvious, the armouring ring also can strengthen the withstand voltage effect of bellows, bellows is without unusual distortion and compensating movement flexibility and reliability.
3. the zirconium that contains the zirconium tapetum fibrosum and contain in the zirconium cellucotton has corrosion resistance and good calenderability under high-temperature and high-pressure conditions, and on the one hand effectively thermal insulation has equally with the wire braiding net sleeve on the other hand and slows down the effect that the medium contact bellows causes corrosion.
4. cooling jacket is even through behind four sections round steel location and the gap between taking over, and has guaranteed even, the flow at high speed of circulating water.
5. the inside and outside dual structural strengthening of pressure-bearing ring flat-plate has improved the Safety performance of expansion joint greatly, has avoided the existence of potential safety hazard.
Description of drawings
Fig. 1 is cross-sectional view of the present utility model.
Fig. 2 is perspective view of the present utility model.
Embodiment
The utility model is further described below in conjunction with accompanying drawing:
As shown in Figure 1, 2, it includes bellows 1 the utility model, and bellows 1 two ends are connected with two pressure-bearing ring flat-plates 7 respectively.Two pressure-bearing ring flat-plates 7 are installed in respectively two and take over 4 outer side wall, and the outboard end of two adapters 4 all is connected with each self-corresponding flange 3.Be provided with the water jacket 5 that is in adapter 4 outsides between pressure-bearing ring flat-plate 7 and flange 3, intake-outlet 11 is arranged on the both sides of water jacket 5, utilizes swiftly flowing circulating water that this position is cooled, and prevents its deformation failure under High Temperature High Pressure.Water jacket 5 adopts circular-arc design with the welding ends of flange 3, has guaranteed the filled water amount of flange, reinforcing flange place and flange 3 and the cooling effect of taking over 4 welds.Water jacket 5 is positioned by the equally distributed four sections round steel 6 that are welded in the adapter 4, and round steel 6 guarantees that water jacket 5 and the gap of taking between 4 are even between water jacket 5 and adapter 4, guarantee even, the flow at high speed of circulating water.
The inner end of two adapters 4 of the utility model is connected with the staggered inside lining sleeve 14 of two part cylindrical shells, the right-hand end of one of them inside lining sleeve links to each other with the enforced loop plane 9 that is welded on adapter 4 outer walls, and another has the left end of individual inside lining sleeve and the right-hand end of left side adapter to be welded and fixed.Gap between two inside lining sleeve 14 alternating share cylindrical shells by be clipped in whole rings in the middle of both around wire braiding sealing net 12 seal, to prevent that valency matter contact bellows 1 from causing corrosion and cellucotton to come off and entering pipeline.Sealing net 12 is positioned by the circumferential equally distributed pressure ring 13 that is welded on the inside lining sleeve 14, prevents slippage.The outer side wall of inside lining sleeve 4 is provided with and contains zirconium tapetum fibrosum assembly 15, contains zirconium tapetum fibrosum assembly 15 and is wrapped in successively by ceramic fiber cloth, Stainless Steel Cloth and contains the zirconium tapetum fibrosum and form outward, and from coil to coil is wrapped on the inside lining sleeve 14, plays the effect of interior thermal insulation.
The trough place hoop of the utility model bellows 1 has armouring ring 2, improves the voltage endurance capability of bellows.The inboard gap location of the waveform of bellows 1 is filled with and contains zirconium cellucotton 16, guarantees the effect of thermal insulation.Bellows 1 can adopt double-deck Combination Design, and individual layer satisfies the requirement of design pressure, thereby improves Security.
The utility model is provided with a plurality of equidistant outer reinforcement floors 10 of arranging at the outer side wall circumferencial direction of water jacket 5, and described outer reinforcement floor 10 is welded and fixed with pressure-bearing ring flat-plate 7 simultaneously, and strengthens the armouring ring 2 that 10 pairs of floors are in the end outward and carry out axially locating.Outer reinforcement floor 10 links to each other with water jacket 5, pressure-bearing ring flat-plate 7; play on the one hand the effect of end, location armouring ring 2; on the other hand because its operating temperature is lower; pressure-bearing ring flat-plate 7 is also played great enhancing protective action; in the situation that pressure-bearing ring flat-plate 7 inner reinforcers lost efficacy, work on, in order to avoid the generation of security incident.
Two pressure-bearing ring flat-plate 7 inboards of the utility model are equipped with equidistant a plurality of interior deep floor 8 of arranging on the circumferencial direction, and interior deep floor 8 is welded and fixed with pressure-bearing ring flat-plate 7 and adapter 4 simultaneously.The equal groove opening of weld of the present utility model is to guarantee complete penetration.
Other undeclared part that the utility model relates to is same as the prior art.
Claims (8)
1. thermal insulation high pressure-temperature expansion joint in the outer water-cooled, it is characterized in that it includes bellows (1), bellows (1) two ends are connected with two pressure-bearing ring flat-plates (7) respectively, two pressure-bearing ring flat-plates (7) are installed in respectively the outer side wall of two adapters (4), the outboard end of described two adapters (4) all is connected with each self-corresponding flange (3), between described pressure-bearing ring flat-plate (7) and flange (3), be provided with the water jacket (5) that is in adapter (4) outside, the inner end of described two adapters (4) is connected with the staggered inside lining sleeve (14) of two part cylindrical shells, the outer side wall of described inside lining sleeve (14) is provided with and contains zirconium tapetum fibrosum assembly (15), and the inboard gap location of the waveform of described bellows (1) is filled with and contains zirconium cellucotton (16).
2. thermal insulation high pressure-temperature expansion joint in the outer water-cooled according to claim 1 is characterized in that the trough place hoop of described bellows (1) has armouring ring (2).
3. thermal insulation high pressure-temperature expansion joint in the outer water-cooled according to claim 1, it is characterized in that described water jacket (5) carries out radial location by the equally distributed four sections round steel (6) that are welded in the adapter (4), described round steel (6) is positioned at water jacket (5) and takes between (4).
4. thermal insulation high pressure-temperature expansion joint in the outer water-cooled according to claim 1, the described outer side wall circumferencial direction at water jacket (5) of its feature is provided with a plurality of equidistant outer reinforcement floors (10) of arranging, and described outer reinforcement floor (10) is welded and fixed with pressure-bearing ring flat-plate (7) simultaneously.
5. thermal insulation high pressure-temperature expansion joint in the outer water-cooled according to claim 1 is characterized in that the described zirconium tapetum fibrosum assembly (15) that contains is wrapped in successively by ceramic fiber cloth, Stainless Steel Cloth and contains the zirconium tapetum fibrosum and form outward, and from coil to coil is wrapped on the inside lining sleeve (14).
6. thermal insulation high pressure-temperature expansion joint in the outer water-cooled according to claim 1, it is characterized in that described two pressure-bearing ring flat-plates (7) inboard is equipped with equidistant a plurality of interior deep floor (8) of arranging on the circumferencial direction, described interior deep floor (8) is welded and fixed with pressure-bearing ring flat-plate (7) and adapter (4) simultaneously.
7. thermal insulation high pressure-temperature expansion joint in the outer water-cooled according to claim 1, it is characterized in that the inside lining sleeve (14) that described two part cylindrical shells are staggered, the right-hand end of the inside lining sleeve that one of them bore is larger links to each other with the enforced loop plane (9) that is welded on adapter (4) outer wall, the right-hand end that (4) are taken on the left end of the inside lining sleeve that another bore is less and the left side is welded and fixed, whole ring is carried out around sealing by the flexible sealing net (12) of metal braided steel wire in gap between two inside lining sleeve alternating shares, and flexible sealing net (12) is positioned by the circumferential equally distributed pressure ring (13) that is welded on the inside lining sleeve (14).
8. thermal insulation high pressure-temperature expansion joint in the outer water-cooled according to claim 4 is characterized in that the trough place hoop of described bellows (1) has armouring ring (2), and armouring ring (2) carries out axially locating by outer reinforcement floor (10).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201220331857 CN202708446U (en) | 2012-07-10 | 2012-07-10 | Externally water-cooled and internally insulated high-pressure high-temperature expansion joint |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201220331857 CN202708446U (en) | 2012-07-10 | 2012-07-10 | Externally water-cooled and internally insulated high-pressure high-temperature expansion joint |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN202708446U true CN202708446U (en) | 2013-01-30 |
Family
ID=47588751
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 201220331857 Withdrawn - After Issue CN202708446U (en) | 2012-07-10 | 2012-07-10 | Externally water-cooled and internally insulated high-pressure high-temperature expansion joint |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN202708446U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102720914A (en) * | 2012-07-10 | 2012-10-10 | 南京晨光东螺波纹管有限公司 | Outer water-cooling and inner thermal-insulating high-pressure and high-temperature expansion joint |
| CN109838639A (en) * | 2019-04-01 | 2019-06-04 | 中国空气动力研究与发展中心超高速空气动力研究所 | A kind of water cooling expansion joint suitable for high-temperature pipe connection |
-
2012
- 2012-07-10 CN CN 201220331857 patent/CN202708446U/en not_active Withdrawn - After Issue
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102720914A (en) * | 2012-07-10 | 2012-10-10 | 南京晨光东螺波纹管有限公司 | Outer water-cooling and inner thermal-insulating high-pressure and high-temperature expansion joint |
| CN102720914B (en) * | 2012-07-10 | 2014-04-16 | 南京晨光东螺波纹管有限公司 | Outer water-cooling and inner thermal-insulating high-pressure and high-temperature expansion joint |
| CN109838639A (en) * | 2019-04-01 | 2019-06-04 | 中国空气动力研究与发展中心超高速空气动力研究所 | A kind of water cooling expansion joint suitable for high-temperature pipe connection |
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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: 20130130 Effective date of abandoning: 20140416 |
|
| RGAV | Abandon patent right to avoid regrant |