CN202074173U - Energy-saving high-pressure-resistant sleeve pipe type compensator - Google Patents
Energy-saving high-pressure-resistant sleeve pipe type compensator Download PDFInfo
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- CN202074173U CN202074173U CN2011201468260U CN201120146826U CN202074173U CN 202074173 U CN202074173 U CN 202074173U CN 2011201468260 U CN2011201468260 U CN 2011201468260U CN 201120146826 U CN201120146826 U CN 201120146826U CN 202074173 U CN202074173 U CN 202074173U
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Abstract
The utility model discloses an energy-saving high-pressure-resistant sleeve pipe type compensator for pipelines, which mainly comprises a work pipe and an outer sleeve pipe, wherein a pressure bearing table is arranged on the work pipe in a surrounding way and is provided with grooves on a pressure bearing surface, steel balls are arranged on the grooves, the outer sleeve pipe is sheathed on the pressure bearing table, a stopping and buckling lug boss is arranged in a direction of the sleeve pipe facing the work pipe, and in addition, a stuffing box is sealed between the stopping and buckling lug boss and the pressure bearing table. The energy-saving high-pressure-resistant sleeve pipe type compensator has the advantages that the structure is simple, the manufacture is convenient, and the end surface processing requirement of a rigid main ring is low. The manufacture cost can be reduced by more than 50 percent through being compared with that of a sealing ring in an overlapped type structure, the pressure resistance capability can reach higher than 300 MPa, and the application range is wide. The energy-saving high-pressure-resistant sleeve pipe type compensator can be widely applied for the sealing of various high-pressure moving surfaces.
Description
Technical field
The utility model relates to a kind of pipeline with energy-saving high pressure jacket formula compensator, the high pressure jacket formula compensator of installing on especially a kind of pipeline, the high pressure jacket formula compensation device of group to installing more than two or two on specifically a kind of pipeline.
Background technique
At present, on the pipeline that conveying industries such as electric power, heat power, oil, petrochemical industry, nuclear power, iron and steel, Coal Chemical Industry, central heat supply, liquid gas, oil gas are used in order to adapt to the needs that expand with heat and contract with cold, be extensive use of all kinds of compensators, as traditional slip-type expansion joint, corrugated expansion joint, ball compensator and the present whirl compensator that occurred in recent years etc., because the sealing configuration existing problems are easy to generate leakage etc.Particularly when carrying high temperature, high-pressure medium operation, be easy to produce the seal leakage phenomenon, and can not keep in repair, can't reach the purpose of long-term safety operation, energy-saving and emission-reduction.
In energy-saving high pressure jacket formula compensator, stuffing box packing is installed, two end faces of sealing filler need bear very high pressure when being subjected to squeeze distortion and requirement can keep sealing in relative movement, common seal ring is owing to the relative movement that can't bear under the high pressure is easy under high pressure disintegrate embrittlement, do not have seal action, the utility model adopts the metallic cover high-temperature seal ring, material can adopt stainless steel+graphite packing or aluminium, copper+graphite packing, compression resistance can surpass 100MPa, reaches the Specialty Design of sealing configuration fully.Simultaneously, the seal ring of stuffing box packing can adapt to the needs of high pressure, when ducted internal pressure is very big, also can not produce axial distortion under high pressure conditions, does not cause seal ring to arch upward; Reduced the frictional force between seal ring and the pipeline, make and rotate between energy-saving high pressure jacket formula compensator and the pipeline flexibly, can not produce destruction to pipeline during operation, therefore making seal ring keep higher rigidity when guaranteeing end face seal is the key that solves the high voltage terminal face seal.
The model utility content
The purpose of this utility model is at when carrying high temperature, high-pressure medium operation, be easy to produce the seal leakage phenomenon, and can not keep in repair, can't reach the problem of long-term safety operation, energy-saving and emission-reduction, designed a kind of energy-saving high pressure jacket formula compensator, to solve the needs of High Temperature High Pressure temperature compensation.
In order to achieve the above object, the technical solution of the utility model is: the utility model discloses a kind of pipeline with energy-saving high pressure jacket formula compensator.Put into steel ball in the pressure-bearing platform that this compensator is provided with on working pipe after, be inserted in 4 circle stuffing box packing, load onto outer sleeve, form a stuffing box packing letter, and on outer sleeve, be provided with one and only detain boss, put into resilience on the boss and compress Sealing only detaining, withstand supporting member and compress resilience and compress Sealing by compressing capping, compress the employing of capping and outer sleeve and be welded to connect, last outer sleeve and transition tube adopt to be welded to connect and form complete product.
For guaranteeing the perpendicularity of working pipe, in a pressure-bearing platform of described working pipe setting, put into steel ball, wherein, open a groove on the pressure-bearing platform, put into steel ball.
Be connected with pipeline for convenience, transition tube of the present utility model adopts reduction nipple, forms a changeover portion with outer sleeve.
In other words, the utility model discloses a kind of pipeline with energy-saving high pressure jacket formula compensator, comprising: working pipe, be surrounded with the pressure-bearing platform on it, described its pressure-bearing surface of pressure-bearing platform is provided with groove, is provided with steel ball in the described groove; Outer sleeve, it is nested with on described pressure-bearing platform, and described outer sleeve is provided with towards the direction of described working pipe and only detains boss, and described only the button between boss and the described pressure-bearing platform is sealed with stuffing box.
Pipeline of the present utility model is with energy-saving high pressure jacket formula compensator, and the material in the described stuffing box is the metallic cover high-temperature seal ring.
Pipeline of the present utility model is stainless steel coated graphite filler or aluminium coated graphite filler or copper clad graphite packing with energy-saving high pressure jacket formula compensator, described material.
Pipeline of the present utility model is with energy-saving high pressure jacket formula compensator, and a described side of only detaining boss is provided with resilience and compresses Sealing.
Pipeline of the present utility model is with energy-saving high pressure jacket formula compensator, and the side that described resilience compresses Sealing is provided with supporting member.
Pipeline of the present utility model is with energy-saving high pressure jacket formula compensator, and a side of described supporting member is provided with and compresses capping.
Pipeline of the present utility model is with energy-saving high pressure jacket formula compensator, compresses capping and described outer sleeve is welded to connect.
Pipeline of the present utility model also comprises transition tube with energy-saving high pressure jacket formula compensator.
Pipeline of the present utility model is with energy-saving high pressure jacket formula compensator, and described transition tube and described outer sleeve are welded to connect.
Pipeline of the present utility model is with energy-saving high pressure jacket formula compensator, and the expansion coefficient of described metallic material is greater than the thermal expansion coefficient of described stuffing box.
The beneficial effects of the utility model are: a difficult problem that has fundamentally solved the resistance to deformation of stuffing box packing, because the skeleton of stuffing box packing is by metallic material manufacturing high temperature resistant, high pressure, common seal ring does not have seal action owing to the relative movement that can't bear under the high pressure is easy under high pressure disintegrate embrittlement.The utility model adopts the metallic cover high-temperature seal ring, hot lubrication is played in the surface attachment graphite packing, can not produce too big frictional force yet and limit relatively rotating between this compensator and the pipeline even can in use be out of shape, can further reduce the pressure-bearing platform, only detain frictional force between boss and the stuffing box packing surface, can keep for a long time rotating flexibly.
Sealing effect is better along with the rising of the temperature and pressure in the pipeline in the stuffing box packing meeting of adopting in the utility model, this be because the pressure-bearing platform with only detain boss and form a stuffing box packing letter mutually, metallic material in the metallic cover high-temperature seal ring of stuffing box packing can the thermal expansion along with the rising of the temperature and pressure in the pipeline, the faying surface of stuffing box packing and stuffing box packing letter can fit tightly more, plays good sealing effect.Simultaneously the thermal expansion coefficient of the metallic material of sealing filler is also greater than the thermal expansion coefficient of stuffing box packing letter, play sealing state voluntarily, high more at temperature, pressure like this, the sealing effect of the energy-saving high pressure jacket formula compensator of this patent model utility also can be better.
The utility model is simple in structure, and is easily manufactured, and the end face processing request of rigidity main ring is low, than the seal ring of laminated structure, its manufacture cost can reduce more than 50%, and its voltage endurance capability can reach more than 300 MPas, applied range can be widely used in the sealing of all kinds of high pressure active face.
Description of drawings
Fig. 1 is a structural representation of the present utility model.
Embodiment
Below in conjunction with accompanying drawing the utility model is described in further detail, can implements according to this with reference to the specification literal to make those skilled in the art.
Be further described below in conjunction with accompanying drawing with to the utility model.
As shown in Figure 1, a kind of pipeline of the present utility model comprises with energy-saving high pressure jacket formula compensator: working pipe 1, be surrounded with pressure-bearing platform 8 on it, and described pressure-bearing platform 8 its pressure-bearing surfaces are provided with groove, are provided with steel ball 9 in the described groove;
Outer sleeve 4, it is nested with on described pressure-bearing platform 8, and described outer sleeve 4 is provided with towards the direction of described working pipe 1 and only detains boss 6, and described only the button between boss 6 and the described pressure-bearing platform 8 is sealed with stuffing box.Stuffing box packing 7 in the stuffing box is the metallic cover high-temperature seal ring.Stuffing box packing 7 is stainless steel coated graphite filler or aluminium coated graphite filler or copper clad graphite packing.One side of only detaining boss 6 is provided with resilience and compresses Sealing 5.The side that resilience compresses Sealing 5 is provided with supporting member 3.One side of supporting member 3 is provided with and compresses capping 2.Compress capping 2 and described outer sleeve 4 is welded to connect.
The utility model also comprises transition tube 10, and transition tube 10 and outer sleeve 4 are welded to connect.
The expansion coefficient of the metallic material in the stuffing box packing letter of the present utility model is greater than the thermal expansion coefficient of stuffing box packing letter.
The metallic cover high-temperature seal ring of stuffing box packing 7 of the present utility model, it is mainly combined by metal layer and Expanded graphite layer, metal layer can be a kind of in stainless steel ring, extraordinary steel loop, the alloy steel loop, in order to improve the intensity of Expanded graphite layer, increase the stainless steel steel wire when preferably specifically implementing therein.The number of plies of steel wire is generally 3～5 layers, and the compressive strength of Expanded graphite should be not less than 100MPa, and the order number can be about 60 orders, and it is littler to try one's best, and heatproof requires to be not less than 750 ℃.
Resilience compresses Sealing 5 can adopt pure Expanded graphite, flexible graphite belt Stainless Steel Cloth, and the number of plies of steel wire is generally about 3 layers, the form of carbon fiber knit ring or Expanded graphite spiral wound gasket.
Energy-saving high pressure jacket formula compensator of the present utility model can be widely used in the needs that absorb the displacement amount that expands with heat and contract with cold on the pipeline that conveying industries such as electric power, heat power, oil, petrochemical industry, nuclear power, iron and steel, Coal Chemical Industry, central heat supply, liquid gas, oil gas use, the elbow quantity and the pipe fitting quantity of pipeline have been reduced, thereby pressure drop and temperature loss have been reduced, the purpose of really having accomplished energy-saving and emission-reduction.
The utility model does not relate to the part prior art that maybe can adopt all same as the prior art to be realized.
Although embodiment of the present utility model is open as above, but it is not restricted to listed utilization in specification and the mode of execution, it can be applied to the various fields of the present utility model that are fit to fully, for those skilled in the art, can easily realize other modification, therefore under the universal that does not deviate from claim and equivalency range and limited, the legend that the utility model is not limited to specific details and illustrates here and describe.
Claims (10)
1. a pipeline is characterized in that with energy-saving high pressure jacket formula compensator, comprising:
Working pipe is surrounded with the pressure-bearing platform on it, described its pressure-bearing surface of pressure-bearing platform is provided with groove, is provided with steel ball in the described groove;
Outer sleeve, it is nested with on described pressure-bearing platform, and described outer sleeve is provided with towards the direction of described working pipe and only detains boss, and described only the button between boss and the described pressure-bearing platform is sealed with stuffing box.
2. pipeline as claimed in claim 1 is characterized in that with energy-saving high pressure jacket formula compensator: the material in the described stuffing box is the metallic cover high-temperature seal ring.
3. pipeline as claimed in claim 2 is with energy-saving high pressure jacket formula compensator, and it is characterized in that: described material is stainless steel coated graphite filler or aluminium coated graphite filler or copper clad graphite packing.
4. pipeline as claimed in claim 3 is with energy-saving high pressure jacket formula compensator, and it is characterized in that: a described side of only detaining boss is provided with resilience and compresses Sealing.
5. pipeline as claimed in claim 4 is with energy-saving high pressure jacket formula compensator, and it is characterized in that: the side that described resilience compresses Sealing is provided with supporting member.
6. pipeline as claimed in claim 5 is with energy-saving high pressure jacket formula compensator, and it is characterized in that: a side of described supporting member is provided with and compresses capping.
7. pipeline as claimed in claim 6 is characterized in that with energy-saving high pressure jacket formula compensator: compress capping and described outer sleeve is welded to connect.
8. pipeline as claimed in claim 1 is characterized in that: also comprise transition tube with energy-saving high pressure jacket formula compensator.
9. pipeline as claimed in claim 8 is with energy-saving high pressure jacket formula compensator, and it is characterized in that: described transition tube and described outer sleeve are welded to connect.
10. pipeline as claimed in claim 2 is with energy-saving high pressure jacket formula compensator, and it is characterized in that: the expansion coefficient of described metallic material is greater than the thermal expansion coefficient of described stuffing box.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011201468260U CN202074173U (en) | 2011-05-11 | 2011-05-11 | Energy-saving high-pressure-resistant sleeve pipe type compensator |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011201468260U CN202074173U (en) | 2011-05-11 | 2011-05-11 | Energy-saving high-pressure-resistant sleeve pipe type compensator |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN202074173U true CN202074173U (en) | 2011-12-14 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2011201468260U Expired - Fee Related CN202074173U (en) | 2011-05-11 | 2011-05-11 | Energy-saving high-pressure-resistant sleeve pipe type compensator |
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| Country | Link |
|---|---|
| CN (1) | CN202074173U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102705611A (en) * | 2012-05-08 | 2012-10-03 | 江苏宏鑫旋转补偿器科技有限公司 | Anti-explosion high pressure resistance self-sealing rotation compensator with sealed and adjustable annular surface |
| CN103670354A (en) * | 2014-01-06 | 2014-03-26 | 江苏万兴石油装备有限公司 | Combined injection-production compensation device |
-
2011
- 2011-05-11 CN CN2011201468260U patent/CN202074173U/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102705611A (en) * | 2012-05-08 | 2012-10-03 | 江苏宏鑫旋转补偿器科技有限公司 | Anti-explosion high pressure resistance self-sealing rotation compensator with sealed and adjustable annular surface |
| CN103670354A (en) * | 2014-01-06 | 2014-03-26 | 江苏万兴石油装备有限公司 | Combined injection-production compensation device |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| 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: 20111214 Termination date: 20140511 |