CN102635753A - Compound type high-temperature expansion joint - Google Patents
Compound type high-temperature expansion joint Download PDFInfo
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- CN102635753A CN102635753A CN2012101023213A CN201210102321A CN102635753A CN 102635753 A CN102635753 A CN 102635753A CN 2012101023213 A CN2012101023213 A CN 2012101023213A CN 201210102321 A CN201210102321 A CN 201210102321A CN 102635753 A CN102635753 A CN 102635753A
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- lining pipe
- internal lining
- expansion joint
- hand member
- space
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Abstract
The invention discloses a compound type high-temperature expansion joint. The compound type high-temperature expansion joint comprises a left flange, a left connection tube, a left corrugated tube, an intermediate connection tube, a right corrugated tube, a right connection tube, a right flange, a first narrow clearance, a second narrow clearance, a first elastic check ring, a second elastic check ring, a first compensation clearance and a second compensation clearance; the compound type high-temperature expansion joint is provided with the first compensation clearance, the second compensation clearance, the first narrow clearance and the second narrow clearance, the first elastic check ring is arranged in the first compensation clearance and simultaneously contacted with the right end of a second left liner tube and the left end of a second right liner tube tightly; the left flange, the left connection tube, the left corrugated tube, the intermediate connection tube, a ring, a right liner tube, the first left check ring and a first left liner tube form a closed second filler space, and the second electric check ring is arranged in the second compensation clearance; when the compound type high-temperature expansion joint works, the compensation clearances become small, so that dust is effectively prevented from entering the left corrugated tube or the right corrugated tube under the matching of the first elastic check ring and the second elastic check ring, and the service life of the compound type high-temperature expansion joint can be prolonged.
Description
Technical field
The present invention relates to a kind of expansion joint, relate in particular to a kind of compound high-temperature expansion joint.
Background technique
The additional stress that expansion joint causes because of temperature difference and mechanical vibration for compensation, and be arranged on two kinds of flexible structures on container shell or the pipeline.Because its elastic compensating element of freely stretching as two kinds of abilities, advantages such as reliable operation, functional, compact structure have been widely used in departments such as chemical industry, metallurgy, nuclear energy.Expansion joint also is slip joint traditionally; Or corrugated expansion joint; Be that effective dilatation in order to the elastic element that utilizes corrugated expansion joint absorbs pipeline, conduit or container two kinds of compensation devices by former thereby the dimensional changes that produces such as expand with heat and contract with cold, belong to two kinds of compensating elements.Can be to axially, laterally and the absorption of angular displacement, be used for adding thermal walking, mechanical displacement absorbed oscillation, reduce noise etc. in pipeline, equipment and system.The additional stress that expansion joint causes because of temperature difference and mechanical vibration for compensation, and be arranged on two kinds of flexible structures on container shell or the pipeline.Because its elastic compensating element of freely stretching as two kinds of abilities, advantages such as reliable operation, functional, compact structure have been widely used in departments such as chemical industry, metallurgy, nuclear energy.The expansion joint that on container, adopts has various ways, with regard to the shape of ripple, uses the most extensively with the U-shaped expansion joint, secondly also has Ω shape and C shape etc.And the expansion joint that on pipeline, adopts has universal, pressure balance type, hinge type and universal joint formula etc. again with regard to structure compensation.Bellows expansion joint is two kinds of expansion joints processing with metal bellows.It can be flexible along axial direction, also allows a small amount of crooked.Also have the compound expansion joint, generally constitute by the above expansion joint of two joints.This compound expansion joint is not easy to adapt to the frequent process of expanding with heat and contract with cold.
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Summary of the invention
Technical problem to be solved by this invention is the deficiency to above-mentioned existing technology, and a kind of long service life is provided, and adapts to the compound high-temperature expansion joint of the frequent process of expanding with heat and contract with cold.
For solving the problems of the technologies described above, the technical scheme that the present invention takes is: a kind of compound high-temperature expansion joint comprises the left flange, left side adapter, left bellows, middle adapter, right bellows, the right adapter and right flange that connect successively; The inner tubal wall of middle adapter is set with ring, and the ring left side is left expansion joint, and the ring right side is right expansion joint; The coaxial first left internal lining pipe and the first right internal lining pipe of being provided with in the expansion joint of a left side; The first left internal lining pipe left end is fixedlyed connected with left flange; The first right internal lining pipe right-hand member is fixedlyed connected with ring; The diameter of the first left internal lining pipe is less than the diameter of the first right internal lining pipe, and the right-hand member of the first left internal lining pipe stretches in the first right internal lining pipe; The axial outer wall of the first left internal lining pipe is the low right first high inclined plane, a left side; The left end of the right-hand member of the first left internal lining pipe and the first right internal lining pipe coincides; Between the left end place of coinciding of the right-hand member of the first left internal lining pipe and the first right internal lining pipe, be separated with the first compensation space; Be provided with first circlip in the first compensation space, first circlip closely contacts with the right-hand member of the second left internal lining pipe and the left end of the second right internal lining pipe simultaneously; Form second filling space of a sealing between left side flange, left side adapter, left bellows, middle adapter, ring, the first right internal lining pipe, first circlip and the first left internal lining pipe; Be filled with thermal insulating filling in second filling space, be separated with the first long and narrow space between between the inclined plane of the said thermal insulating filling and the first left internal lining pipe; The coaxial second left internal lining pipe and the second right internal lining pipe of being provided with in the right expansion joint; The second left internal lining pipe left end is fixedlyed connected with ring; The second right internal lining pipe right-hand member is fixedlyed connected with left flange; The diameter of the second left internal lining pipe is less than the diameter of the second right internal lining pipe, and the right-hand member of the second left internal lining pipe stretches in the second right internal lining pipe; The axial outer wall of the second left internal lining pipe is the low right second high inclined plane, a left side; The left end of the right-hand member of the second left internal lining pipe and the second right internal lining pipe coincides; Between the left end place of coinciding of the right-hand member of the second left internal lining pipe and the second right internal lining pipe, be separated with the second compensation space; Be provided with second circlip in the second compensation space, second circlip closely contacts with the right-hand member of the second left internal lining pipe and the left end of the second right internal lining pipe simultaneously; Form second filling space of a sealing between middle adapter, right bellows, right adapter, right flange, the second right internal lining pipe, second circlip, the second left internal lining pipe; Also be filled with thermal insulating filling in second filling space, be separated with the second long and narrow space between between the inclined plane of the said thermal insulating filling and the second left internal lining pipe.
As the further improved technological scheme of the present invention, the first long and narrow space is connected with the first compensation space, and the second long and narrow space is connected with the second compensation space.
As the further improved technological scheme of the present invention, also comprise the hinge that is connected simultaneously on left adapter, middle adapter and right the adapter.
This compound high-temperature expansion joint is provided with the first compensation space, the second compensation space, first long and narrow space, second long and narrow space; Be provided with first circlip in the first compensation space, first circlip closely contacts with the right-hand member of the second left internal lining pipe and the left end of the second right internal lining pipe simultaneously; Left side flange, a left side connect; Be provided with second circlip in the second compensation space: when this compound high-temperature expansion joint is worked; The above-mentioned space that respectively compensates diminishes; Under the cooperation of such first circlip and second circlip, prevent that effectively dust from getting into left bellows or right bellows, prolonged the working life of compound high-temperature expansion joint of the present invention.
Description of drawings
Fig. 1 is a structural representation of the present invention.
Fig. 2 is the partial enlarged drawing at A place among Fig. 1.
Further specify below in conjunction with the accompanying drawing specific embodiments of the invention.
Embodiment
Embodiment 1
Referring to Fig. 1 and Fig. 2, this compound high-temperature expansion joint comprises the left flange 1, left side adapter (2), left bellows 3, middle adapter 4, right bellows 5, right adapter 6 and the right flange 7 that connect successively; The inner tubal wall of middle adapter 4 is set with ring 8, and ring 8 left sides are left expansion joint, and ring 8 right sides are right expansion joint; The coaxial first left internal lining pipe 9 and the first right internal lining pipe 10 of being provided with in the expansion joint of a left side; First left internal lining pipe 9 left ends are fixedly connected with left flange 1; First right internal lining pipe 10 right-hand members are fixedly connected with ring 8; The diameter of the first left internal lining pipe 9 is less than the diameter of the first right internal lining pipe 10, and the right-hand member of the first left internal lining pipe 9 stretches in the first right internal lining pipe 10; The axial outer wall of the first left internal lining pipe 9 is the low right first high plane of inclination 11, a left side; The left end of the right-hand member of the first left internal lining pipe 9 and the first right internal lining pipe 10 coincides; Between the left end place of coinciding of the right-hand member of the first left internal lining pipe 9 and the first right internal lining pipe 10, be separated with the first compensation space 12; Being provided with first circlip, 13, the first circlips 13 in the first compensation space 12 closely contacts with the right-hand member of the first left internal lining pipe 9 and the left end of the second right internal lining pipe 10 simultaneously; First filling space 14 of a sealing of formation between the right internal lining pipe of left side flange 1, a left side adapters, left bellows 3, middle adapter 4, ring 8, first 10, first circlip 13 and the first left internal lining pipe 9; Be filled with thermal insulating filling 15 in second filling space 14; Being separated with 16, the first long and narrow spaces 16, the first long and narrow space between between the plane of inclination 11 of the said thermal insulating filling 15 and the first left internal lining pipe 9 is connected with the first compensation space 12; The coaxial second left internal lining pipe 17 and the second right internal lining pipe 18 of being provided with in the right expansion joint; Second left internal lining pipe 17 left ends are fixedly connected with ring 8; Second right internal lining pipe 18 right-hand members are fixedly connected with right flange 7; The diameter of the second left internal lining pipe 17 is less than the diameter of the second right internal lining pipe 18, and the right-hand member of the second left internal lining pipe 17 stretches in the second right internal lining pipe 18; The axial outer wall of the second left internal lining pipe 17 is the low right second high plane of inclination 19, a left side; The left end of the right-hand member of the second left internal lining pipe 17 and the second right internal lining pipe 18 coincides; Between the left end place of coinciding of the right-hand member of the second left internal lining pipe 17 and the second right internal lining pipe 18, be separated with the second compensation space 20; Being provided with second circlip, 21, the second circlips 21 in the second compensation space 20 closely contacts with the right-hand member of the second left internal lining pipe 17 and the left end of the second right internal lining pipe 18 simultaneously; Middle adapter 4, right bellows 5, rightly take over 6, form second filling space 22 of a sealing between the right internal lining pipe of right flange 7, second 18, second circlip, 21, the second left internal lining pipe 17; Also be filled with thermal insulating filling 15 in second filling space 22; Being separated with 23, the second long and narrow spaces 23, the second long and narrow space between between second plane of inclination 19 of the said thermal insulating filling 15 and the second left internal lining pipe 17 is connected with the second compensation space 20.Also comprise the hinge 24 that is connected simultaneously on left adapter, middle adapter and right the adapter.
Claims (3)
1. a compound high-temperature expansion joint comprises the left flange (1), left side adapter (2), left bellows (3), middle adapter (4), right bellows (5), right (6) and the right flange (7) taken over that connect successively; The inner tubal wall of middle adapter (4) is set with ring (8), and (80 left sides are left expansion joint to ring, and ring (8) right side is right expansion joint; The coaxial first left internal lining pipe (9) and the first right internal lining pipe (10) of being provided with in the expansion joint of a left side; First left internal lining pipe (9) left end is fixedly connected with left flange (1); First right internal lining pipe (10) right-hand member is fixedly connected with ring (8); The diameter of the first left internal lining pipe (9) is less than the diameter of the first right internal lining pipe (10), and the right-hand member of the first left internal lining pipe (9) stretches in the first right internal lining pipe (10); The axial outer wall of the first left internal lining pipe (9) is low right high first plane of inclination (11), a left side; The left end of the right-hand member of the first left internal lining pipe (9) and the first right internal lining pipe (10) coincides; Between the left end place of coinciding of the right-hand member of the first left internal lining pipe (9) and the first right internal lining pipe (10), be separated with the first compensation space (12); Be provided with first circlip (13) in the first compensation space (12), first circlip (13) closely contacts with the right-hand member of the first left internal lining pipe (9) and the left end of the second right internal lining pipe (10) simultaneously; First filling space (14) that forms a sealing between (2), left bellows (3), middle adapter (4), ring (8), the first right internal lining pipe (10), first circlip (13) and the first left internal lining pipe (9) is taken on left side flange (1), a left side; Be filled with thermal insulating filling (15) in second filling space (14), be separated with the first long and narrow space (16) between between the plane of inclination (11) of the said thermal insulating filling (15) and the first left internal lining pipe (9); The coaxial second left internal lining pipe (17) and the second right internal lining pipe (18) of being provided with in the right expansion joint; Second left internal lining pipe (17) left end is fixedly connected with ring (8); Second right internal lining pipe (18) right-hand member is fixedly connected with right flange (7); The diameter of the second left internal lining pipe (17) is less than the diameter of the second right internal lining pipe (18), and the right-hand member of the second left internal lining pipe (17) stretches in the second right internal lining pipe (18); The axial outer wall of the second left internal lining pipe (17) is low right high second plane of inclination (19), a left side; The left end of the right-hand member of the second left internal lining pipe (17) and the second right internal lining pipe (18) coincides; Between the left end place of coinciding of the right-hand member of the second left internal lining pipe (17) and the second right internal lining pipe (18), be separated with the second compensation space (20); Be provided with second circlip (21) in the second compensation space (20), second circlip (21) closely contacts with the right-hand member of the second left internal lining pipe (17) and the left end of the second right internal lining pipe (18) simultaneously; Middle adapter (4), right bellows (5), right second filling space (22) that forms a sealing between (6), right flange (7), the second right internal lining pipe (18), second circlip (21), the second left internal lining pipe (17) of taking over; Also be filled with thermal insulating filling (15) in second filling space (22), be separated with the second long and narrow space (23) between between second plane of inclination (19) of the said thermal insulating filling (15) and the second left internal lining pipe (17).
2. compound high-temperature expansion joint according to claim 1 is characterized in that: the first long and narrow space (16) is connected with the first compensation space (12), and the second long and narrow space (23) is connected with the second compensation space (20).
3. compound high-temperature expansion joint according to claim 1 and 2 is characterized in that: also comprise the hinge (24) that is connected simultaneously on left adapter, middle adapter and right the adapter.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2012101023213A CN102635753A (en) | 2012-04-10 | 2012-04-10 | Compound type high-temperature expansion joint |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2012101023213A CN102635753A (en) | 2012-04-10 | 2012-04-10 | Compound type high-temperature expansion joint |
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| Publication Number | Publication Date |
|---|---|
| CN102635753A true CN102635753A (en) | 2012-08-15 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2012101023213A Pending CN102635753A (en) | 2012-04-10 | 2012-04-10 | Compound type high-temperature expansion joint |
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| CN (1) | CN102635753A (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104100797A (en) * | 2014-06-15 | 2014-10-15 | 江苏百事得波纹管有限公司 | Compensator of material returning legs |
| CN109751472A (en) * | 2019-01-28 | 2019-05-14 | 秦皇岛市泰德管业科技有限公司 | A kind of high temperature high voltage resistant flexibility heat insulation structural and expansion joint |
Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS62267405A (en) * | 1986-05-13 | 1987-11-20 | Nippon Steel Corp | Method for absorbing thermal expansion of high-temperature and high-pressure piping |
| CN1361373A (en) * | 2000-12-29 | 2002-07-31 | 那清德 | Sealed corrugated pipe for pipeline |
| CN201561232U (en) * | 2009-07-10 | 2010-08-25 | 西安天达能源设备技术有限责任公司 | Residual powder-free wearproof three-dimensional compensator dedicated for powder feeding pipeline |
| CN102367903A (en) * | 2011-09-02 | 2012-03-07 | 江苏申港锅炉有限公司 | High-temperature-resistant abrasion-proof positive-pressure expansion joint |
-
2012
- 2012-04-10 CN CN2012101023213A patent/CN102635753A/en active Pending
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS62267405A (en) * | 1986-05-13 | 1987-11-20 | Nippon Steel Corp | Method for absorbing thermal expansion of high-temperature and high-pressure piping |
| CN1361373A (en) * | 2000-12-29 | 2002-07-31 | 那清德 | Sealed corrugated pipe for pipeline |
| CN201561232U (en) * | 2009-07-10 | 2010-08-25 | 西安天达能源设备技术有限责任公司 | Residual powder-free wearproof three-dimensional compensator dedicated for powder feeding pipeline |
| CN102367903A (en) * | 2011-09-02 | 2012-03-07 | 江苏申港锅炉有限公司 | High-temperature-resistant abrasion-proof positive-pressure expansion joint |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104100797A (en) * | 2014-06-15 | 2014-10-15 | 江苏百事得波纹管有限公司 | Compensator of material returning legs |
| CN104100797B (en) * | 2014-06-15 | 2016-08-24 | 江苏百事得波纹管有限公司 | Feed back lower limb compensator |
| CN109751472A (en) * | 2019-01-28 | 2019-05-14 | 秦皇岛市泰德管业科技有限公司 | A kind of high temperature high voltage resistant flexibility heat insulation structural and expansion joint |
| CN109751472B (en) * | 2019-01-28 | 2024-03-15 | 秦皇岛市泰德管业科技有限公司 | High-temperature-resistant high-pressure-resistant flexible heat insulation structure and expansion joint |
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| PB01 | Publication | ||
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| C02 | Deemed withdrawal of patent application after publication (patent law 2001) | ||
| WD01 | Invention patent application deemed withdrawn after publication |
Application publication date: 20120815 |