CN202419022U - Pipeline compensator utilizing composite corrugated pipes - Google Patents
Pipeline compensator utilizing composite corrugated pipes Download PDFInfo
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- CN202419022U CN202419022U CN2012200054012U CN201220005401U CN202419022U CN 202419022 U CN202419022 U CN 202419022U CN 2012200054012 U CN2012200054012 U CN 2012200054012U CN 201220005401 U CN201220005401 U CN 201220005401U CN 202419022 U CN202419022 U CN 202419022U
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- pipeline
- corrugated pipe
- composite
- compensation
- deformation
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Abstract
A pipeline compensator utilizing composite corrugated pipes comprises an inner corrugated pipe and an outer corrugated pipe sleeved together. Flange discs are welded at two ends of the inner corrugated pipe and the outer corrugated pipe respectively, plastic rubber is filled between the inner corrugated pipe and the outer corrugated pipe, and a limiting connecting rod is arranged between the two flange discs. The composite corrugated pipe pipeline compensator can be used for adjusting or compensating deformations of various pipelines produced by axial compression and is generally suitable for transportation engineering of the various pipelines under the condition of ordinary ambient temperature. Particularly, the pipeline compensator utilizing the composite corrugated pipes is suitable for compensating large partial deformations of a drainage pipeline, a compressed air pipeline and the like in a vertical mine shaft lining, so that the pipeline deformation coordinates with the shaft wall deformation mutually to guarantee and improve transportation safety of a mine. In addition, the pipeline compensator utilizing the composite corrugated pipes is simple in structure, deformation-resistant and good in compensating effect.
Description
Technical field
The utility model relates to a kind of compensation of pipeline device, especially a kind of composite corrugated pipe compensation of pipeline device that is applicable to partial compression distortion such as discharge pipe line, air line in the mine vertical shaft pit shaft.
Background technique
The line transportation development in recent years is rapid, no matter is common heat distribution pipeline, municipal pipeline or large-scale line transportation engineering, all can distortion in various degree take place because of the variation of the character of its conveyance fluid and its operating conditions.Discharge pipe line in the mine vertical shaft pit shaft, air line are because the distortion of the pit shaft borehole wall also can produce compressive strain in various degree.If these distortion can not in time be compensated or eliminate; Tend to take place squeeze and destroy, fluid leakage of pipeline etc.; Serious also can produce security incident; Cause casualties and property loss, therefore must be used to adjust or coordinate the distortion that pipeline produces according to the operating conditions installation pipeline compensator of various pipes.
Bellows compensation of pipeline device is widely used in the various pipes engineering, particularly heating power conveying engineering, HVAC engineering, petrochemical pipe conveying engineering etc., and its convenient processing and manufacture, the compatibility of deformation compensation rate is big and practical applications is reliable.At present existing questions is that the common bellows compensation of pipeline device hydrodynamic pressure that is used to carry is less; Usually all below 2.5MPa, its reason is that the pipe thickness of bellows is thinner, can not bear bigger hydrodynamic pressure; If increase pipe thickness; Its compatibility of deformation ability can descend, and compensation effect is poor, therefore is necessary to seek a kind of compensation of pipeline device that is applicable under the high pressure condition.In addition, for the mine vertical shaft pit shaft, owing to face of land white-out water produces soil body sedimentation; Cause the vertical compressive strain of the shaft of vertical well borehole wall; Be installed in discharge pipe line on the borehole wall, air line etc. must with borehole wall compatible deformation, consider that borehole wall maximum distortion often occurs in the intersection of table soil and rock, the degree of depth that has is bigger; Require the compensation of pipeline device should have enough bearing capacitys and high-voltage resistance capability, common compensation of pipeline device is anti-to satisfy usage requirement.Therefore, developing high pressure resistant compensation of pipeline device is the important technology problem that needs to be resolved hurrily at present.
When adopting various liquid of line transportation or gas; Because pipeline is longer,, all can cause the phenomenon of expanding with heat and contract with cold of pipeline when ambient temperature changes or fluid temperature variations; Therefore, every separated certain distance all must be installed compensator and is used for eliminating the pipeline distortion that produces owing to expanding with heat and contract with cold.The mine vertical shaft pit shaft is installed various pipelines usually and is used for carrying out draining and supply pressure wind, and these pipelines generally adopt the pipeline beam to be installed on the borehole wall, because the distortion of the borehole wall also can make pipeline produce distortion.
Corrugated expansion joint is a kind of flexible, thin-walled, the device with Telescopic of transverse wave is arranged, and also claims slip joint, is made up of metal bellows and member.The working principle of corrugated expansion joint is to utilize the resiliently deformable function of self, the compensation pipeline since thermal distortion, mechanically deformation etc. produce axially, side direction and combination displacement thereof, play and reduce pipe deforming and improve the pipeline effect in working life.But corrugated expansion joint commonly used at present can not bear bigger pipeline axial pressure because tube wall is thinner, can not bear bigger tube fluid pressure.If increase thickness, though bearing capacity has improved, its axial deformation coordination ability can descend greatly, can not realize the compensate function of pipeline well.
Summary of the invention
The purpose of the utility model is to overcome prior art, and a kind of simple in structure, resistance to deformation, composite corrugated pipe compensation of pipeline device that compensation effect is good are provided.
For realizing above-mentioned purpose; The composite corrugated pipe compensation of pipeline device of the utility model; Comprise the inner corrugated pipe and the outward corrugated tube that are sleeved on together; The two ends of inner corrugated pipe and outward corrugated tube are welded with flange plate respectively, are filled with plastic rubber between inner corrugated pipe and the outward corrugated tube, are provided with spacing connecting rod between two flange plate.
Have the screw of the plastic rubber of filling between inner corrugated pipe and outward corrugated tube on the described flange plate; Have the bolt hole of some connecting tubes on the same circumference of described flange plate end face.
Beneficial effect: the utility model adopts double-ply bellows and plastic building rubber compound to form composite corrugated pipe, utilizes the resiliently deformable function of metal bellows under load action, and the compensation pipeline is because that various distortion etc. produce is axial, side direction and combination displacement thereof.Form composite corrugated pipe pipe through double-ply bellows and plastic building rubber compound and make the compensation of pipeline device, make compensator can bear certain axial load, can bear hydrodynamic pressure higher in the pipeline simultaneously, guaranteed the safety of FLUID TRANSPORTATION and pipeline work.Through this composite corrugated pipe compensation of pipeline device being fixed and being located, can effectively control the compatible deformation amount of compensator.This compensator can be widely used in the various pipes engineering under the general environment temperature conditions; Be particularly useful for the operating conditions that axial crushing deformation is big, pipe fluid pressure is big such as discharge pipe line, air line in the mine vertical shaft pit shaft; Pipeline distortion and borehole wall distortion are coordinated mutually; Guarantee the production safety of mine, have good technical economic benefit and social benefit.Its advantage:
Solved the problem on deformation that pipeline in the line transportation work produces because of the variation of operating conditions; And the draining of mine vertical shaft pit shaft, press pipeline such as wind because the borehole wall is out of shape the problem on deformation that produces; Coordinate compensation performance through utilizing common bellows to have axial deformation preferably; Carry out the combination and the optimization of structure; Realize that bellows has and bear axial deformation ability and high voltage performance preferably when carrying the high pressure fluid, satisfy the compatibility of deformation compensation requirement of pipelines such as line transportation, mine drainage and pressure wind commonly used.The compensation of pipeline device also need be set eliminate borehole wall distortion and the pipeline axial crushing deformation of generation.
Description of drawings
Fig. 1 is the structural front view of the composite corrugated pipe compensation of pipeline of the utility model device.
Fig. 2 is the structure plan view of the composite corrugated pipe compensation of pipeline of the utility model device.
Embodiment
Below in conjunction with accompanying drawing the embodiment of the utility model is done further description:
The composite corrugated pipe compensation of pipeline device of the utility model; Mainly by 4 groups of flange plate 1, inner corrugated pipe 3 and outward corrugated tubes; Inner corrugated pipe 3 and outward corrugated tube 4 are sleeved on together, and the two ends of inner corrugated pipe 3 and outward corrugated tube 4 are welded with respectively with pipeline carries out flange connecting dish 1, is filled with plastic rubber 5 between inner corrugated pipe 3 and the outward corrugated tube 4; Have the screw 2 of the plastic rubber 5 of filling between inner corrugated pipe 3 and outward corrugated tube 4 on the flange plate 1; Clearance filled plastic rubber through between the outward corrugated tube in 2 pairs of the screws on the flange plate 1 carries out the heat cure moulding simultaneously, guarantees inner imporosity or bubble; After integral body is carried out preservative treatment, spacing connecting rod 6 is installed between two flange plate 1.
When adopting various liquid of line transportation or gas; Because pipeline is longer,, all can cause the phenomenon of expanding with heat and contract with cold of pipeline when ambient temperature changes or fluid temperature variations; Therefore, every separated certain distance all must be installed compensator and is used for eliminating the pipeline distortion that produces owing to expanding with heat and contract with cold.The mine vertical shaft pit shaft is installed various pipelines usually and is used for carrying out draining and supply pressure wind, and these pipelines generally adopt the pipeline beam to be installed on the borehole wall, because the distortion of the borehole wall also can make pipeline produce distortion.The compensation of pipeline device also need be set eliminate borehole wall distortion and the pipeline axial crushing deformation of generation.
Corrugated expansion joint is a kind of flexible, thin-walled, the device with Telescopic of transverse wave is arranged, and also claims slip joint, is made up of metal bellows and member.The working principle of corrugated expansion joint is to utilize the resiliently deformable function of self, the compensation pipeline since thermal distortion, mechanically deformation etc. produce axially, side direction and combination displacement thereof, play and reduce pipe deforming and improve the pipeline effect in working life.But corrugated expansion joint commonly used at present can not bear bigger pipeline axial pressure because tube wall is thinner, can not bear bigger tube fluid pressure.If increase thickness, though bearing capacity has improved, its axial deformation coordination ability can descend greatly, can not realize the compensate function of pipeline well.For addressing this problem, adopt double-ply bellows and plastic building rubber compound to form composite corrugated pipe, utilize composite corrugated pipe to make the compensation of pipeline device.This composite corrugated pipe compensation of pipeline device can bear certain axial load, can bear higher hydrodynamic pressure again simultaneously.In composite corrugated pipe compensator is made; The flange plate at bellows and two ends adopts welding; And reserve the filling gap of plastic rubber, through the clearance filled plastic rubber between the internal outward corrugated tube of reserving on the flange plate of plastic rubber fill orifice, carry out the heat cure moulding simultaneously then.
Claims (3)
1. composite corrugated pipe compensation of pipeline device; It is characterized in that: it comprises inner corrugated pipe (3) and the outward corrugated tube (4) that is sleeved on together; The two ends of inner corrugated pipe (3) and outward corrugated tube (4) are welded with flange plate (1) respectively; Be filled with plastic rubber (5) between inner corrugated pipe (3) and the outward corrugated tube (4), be provided with spacing connecting rod (6) between two flange plate (1).
2. composite corrugated pipe compensation of pipeline device according to claim 1 is characterized in that: the screw (2) that has the plastic rubber of filling (5) between inner corrugated pipe (3) and outward corrugated tube (4) on the described flange plate (1).
3. composite corrugated pipe compensation of pipeline device according to claim 1 and 2 is characterized in that: the bolt hole that has some connecting tubes on the same circumference of described flange plate (1) end face.
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
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CN2012200054012U CN202419022U (en) | 2012-01-09 | 2012-01-09 | Pipeline compensator utilizing composite corrugated pipes |
Applications Claiming Priority (1)
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CN2012200054012U CN202419022U (en) | 2012-01-09 | 2012-01-09 | Pipeline compensator utilizing composite corrugated pipes |
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CN202419022U true CN202419022U (en) | 2012-09-05 |
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CN2012200054012U Expired - Fee Related CN202419022U (en) | 2012-01-09 | 2012-01-09 | Pipeline compensator utilizing composite corrugated pipes |
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Cited By (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN103807558A (en) * | 2014-03-11 | 2014-05-21 | 江苏亚星波纹管有限公司 | Single axial expansion joint with pull rods |
CN107883106A (en) * | 2017-12-15 | 2018-04-06 | 马鞍山市飞达波纹管制造有限公司 | A kind of metal compensator |
CN108953820A (en) * | 2018-09-13 | 2018-12-07 | 江苏永昌膨胀节有限公司 | A kind of high life wavy metal pipe device |
CN110332391A (en) * | 2019-08-15 | 2019-10-15 | 河北华整实业有限公司 | A kind of mining primary-secondary type pipe fitting |
CN115711334A (en) * | 2022-11-02 | 2023-02-24 | 中国船舶重工集团公司第七一九研究所 | Vibration isolation pipeline based on instability |
-
2012
- 2012-01-09 CN CN2012200054012U patent/CN202419022U/en not_active Expired - Fee Related
Cited By (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN103807558A (en) * | 2014-03-11 | 2014-05-21 | 江苏亚星波纹管有限公司 | Single axial expansion joint with pull rods |
CN107883106A (en) * | 2017-12-15 | 2018-04-06 | 马鞍山市飞达波纹管制造有限公司 | A kind of metal compensator |
CN108953820A (en) * | 2018-09-13 | 2018-12-07 | 江苏永昌膨胀节有限公司 | A kind of high life wavy metal pipe device |
CN110332391A (en) * | 2019-08-15 | 2019-10-15 | 河北华整实业有限公司 | A kind of mining primary-secondary type pipe fitting |
CN115711334A (en) * | 2022-11-02 | 2023-02-24 | 中国船舶重工集团公司第七一九研究所 | Vibration isolation pipeline based on instability |
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Legal Events
Date | Code | Title | Description |
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C14 | Grant of patent or utility model | ||
GR01 | Patent grant | ||
C17 | Cessation of patent right | ||
CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20120905 Termination date: 20140109 |