CN202302531U - Clamping type high-temperature and high-pressure rotary compensator and compensation system thereof - Google Patents
Clamping type high-temperature and high-pressure rotary compensator and compensation system thereof Download PDFInfo
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- CN202302531U CN202302531U CN2011203886478U CN201120388647U CN202302531U CN 202302531 U CN202302531 U CN 202302531U CN 2011203886478 U CN2011203886478 U CN 2011203886478U CN 201120388647 U CN201120388647 U CN 201120388647U CN 202302531 U CN202302531 U CN 202302531U
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Abstract
The utility model relates to a clamping type high-temperature and high-pressure rotary compensator and a compensation system thereof. The clamping type high-temperature and high-pressure rotary compensator includes a main body, a casing, end covers and seal material. A rotary ball drum is arranged on the outer surface of the main body, the seal material is arranged between the rotary ball drum and the casing, left and right end covers are arranged at two ends of the seal material, and a pull rod is connected between the left and the right end covers. The seal material includes two metal support seal rings arranged at an interval, seal filler is arranged between the two seal rings, a filling cup is arranged on the casing corresponding to the seal filler, and metal seal sheets are arranged between the left and the right end covers and the seal rings. In the utility model, the metal support seal rings arranged on the two sides of the rotary ball drum can effectively ensure the position of the ball drum and prevent separation by pulling, the seal is reliable, the double support structure can bear larger rotating torque, the friction resistance is small, the service life is long, and the maintenance is not required; and the clamping type high-temperature and high-pressure rotary compensator is applied to a high-temperature and high-pressure heating power pipeline, solves the problem that a compensation element of the heating power pipeline is difficult to lay, and can ensure the long-term high-efficiency running of a heating power pipeline network.
Description
Technical field
The utility model relates to pipeline compensator, and especially a kind of bit shift compensation amount that is used for heat distribution pipe network is big, the wafer type HTHP whirl compensator and the bucking-out system thereof of good seal performance.
Background technique
When industry heat distribution pipe network delivering vapors such as municipal heating systems, electric power, metallurgy, petrochemical industry, hot water or high-temperature water medium, form and expand with heat and contract with cold, generally adopt telescopic joint compensate for displacement because pipeline is influenced by medium temperature.The sleeve slip joint mainly is made up of shell, slide cores pipe and stuffing box packing, because the telescopic joint, the displacement of its compensation pipeline is leaned on the slide cores pipe to stretch and compensated; Compensation ability receives the restriction of structure; And the sealing between slide cores pipe and the filler can not maintain a good state lastingly, is easy to generate leakage after long-term the use, makes pipeline produce thermodynamic loss; Influence economic benefit and environmental protection, so the compensation ability of sleeve slip joint has just become technical key issue with sealing.At present, be used for the telescopic joint of heat distribution pipe network, the mode of expanding with heat and contract with cold of its compensation pipeline leans on the stretching of slide cores pipe of slip joint to realize; Owing to receive structural constraint, its compensation ability is restricted, and the compensation ability of single slip joint is only in 300mm; And its sealing adopts the graphite packing as stuffing box packing usually, by increasing pretightening force, could guarantee sealability; Secondly because reasons in structure makes the slip-type expansion joint can not high temperature resistant and high pressure, the application and the development of restriction heat distribution pipe network.Particularly heating phase of slip-type expansion joint gets off; The compensation of slide cores pipe resets; Draw stuffing box packing loosening again and the generation leakage, therefore must add filler again and safeguard, its work is not only tired but also dangerous; But be that sealability is undesirable and do not make the heat distribution pipe network operational effect good even stop to safeguard eventually, cause very big loss.
Chinese patent CN101694259A discloses " maintenance-free bidirectional rotary compensator " on April 14th, 2010; The structure of this patent application is comparatively complicated; Major function remains end thrust and the compensating axial displacement that absorbs two duct; Its bit shift compensation amount is less relatively, can not realize three-dimensional compensation.
The model utility content
To the deficiency of above existing pipeline compensator, the purpose of the utility model provides and a kind ofly is applicable to the HTHP heat distribution pipe network, and the bit shift compensation amount is big, the wafer type HTHP whirl compensator and the bucking-out system thereof of good seal performance.
The purpose of the utility model realizes through adopting following technological scheme:
Wafer type HTHP whirl compensator; Comprise main body, shell, end cap and sealing material; Be provided with sealing material between said main body and the shell, the two ends of sealing material are provided with end cap, and the outer surface of said main body is provided with the spheric structure of evagination; Spheric structure is around the rotating sphere tube of main body looping, and rotating sphere tube and main body are welded as overall structure;
Said sealing material is located between the rotating sphere tube and shell of main body, and the two ends of sealing material are respectively equipped with left end cap and right end cap, are connected with pull bar between left end cap and the right end cap;
Said left end cap is provided with connecting tube and is made as overall structure with connecting tube, and said right end cap is set in the outer surface of main body tube wall.
As the optimal technical scheme of the utility model, said sealing material comprises two metal support seal rings that are provided with at interval, is provided with stuffing box packing between two metal support seal rings, and the corresponding shell of said stuffing box packing is provided with to annotate fills out cup;
Be respectively equipped with the metallic seal sheet between said left end cap and right end cap and two metal support seal rings.
As the optimal technical scheme of the utility model, be laid with on the said shell to annotate more than four and fill out cup.
As the optimal technical scheme of the utility model, it is secondary that the surface of contact of said metal support seal ring and rotating sphere tube constitutes the iso-curvature ball face sealing.
As the optimal technical scheme of the utility model, said stuffing box packing is the graphite expansion agent.
As the optimal technical scheme of the utility model, be respectively equipped with roller between the outer surface of said left end cap and right end cap and said main body tube wall.
Wafer type HTHP whirl compensator system; Said system comprises at least two wafer type HTHP whirl compensators and at least one connecting tube; Said connecting tube is located between adjacent two wafer type HTHP whirl compensators, and the axis of said connecting tube and said wafer type HTHP whirl compensator is not on same straight line.
As the optimal technical scheme of the utility model, said system is made up of three wafer type HTHP whirl compensators that connect successively, and three wafer type HTHP whirl compensators constitute v-shaped structure.
The beneficial effect of the utility model is: with respect to existing technology, the position, both sides of the utility model compensator rotating sphere tube is provided with the metal support seal ring, can effectively guarantee position, the anti-slip of rotating sphere tube; And it is secondary that supporting seal ring and anchor ring are processed the iso-curvature ball face sealing, can support the rotating sphere tube and have hard sealing again, between left and right sides end cap and rotating sphere tube, is provided with roller; Can reduce the frictional force of rotating sphere tube effectively, the agent of filling graphite expansion makes sealing more fully more reliable between the two supporting seal rings; The supporting seal ring presses down tightening seal in the pretightening force effect of pull bar, and right ends interior surface and rotating sphere tube outer surface are provided with twice centering roller, become two point supportings; Frictional force when the coaxality when guaranteeing the rotation of rotating sphere tube is rotated with minimizing rotating sphere tube is characterized in that surface friction drag is little, long service life; Maintenance free; Its Maximum operating temperature can reach 550 ℃, and Maximum operating pressure can reach 10.0Mpa, can be applicable to the heating power power conduit of HTHP; The heating power power conduit compensating element that has solved HTHP lays difficult problem, can guarantee the long-term efficient operation of heat distribution pipe network.
The sealing configuration that the utility model compensator is made up of metal support seal ring, graphite expansion agent, sealability is better, rotating sphere tube and pipeline equal diameter, no pressure thrust, the pipeline internal medium flow resistance is little, the no pressure loss; The utility model coaxality is high, resistance to flexure is high, it is little to change friction force; The double supporting structure that adopts can bear bigger moment of rotation.
The utility model compensator system is formed the V-type pivoted arm by three wafer type HTHP whirl compensators, but absorption axes to the angular motion displacement of conversion, be 4～6 times of existing telescopic joint working life; Compensation ability is 2～4 times of present telescopic joint; Maximum operating temperature can reach 550 ℃, and Maximum operating pressure can reach 10.0Mpa, can guarantee the long-term efficient operation of heat distribution pipe network; The compensator quantity that channelling is needed significantly reduces; Reduce investment outlay, increase economic efficiency, and help protecting environment.
Description of drawings
Below in conjunction with accompanying drawing and specific embodiment the utility model is described further:
Fig. 1 is the structural representation of the utility model.
Among the figure: 1, left end cap, 2, the metallic seal sheet, 3, the metal support seal ring, 4, the rotating sphere tube, 5, annotate and fill out cup, 6, stuffing box packing, 7, pull bar, 8, shell, 9, right end cap, 10, roller, 11, main body.
Embodiment
Embodiment one
As shown in Figure 1, wafer type HTHP whirl compensator comprises main body 11, shell 8, left end cap 1, right end cap 9 and sealing material, is provided with sealing material between said main body 11 and the shell 8, and the two ends of sealing material are established and are respectively equipped with left end cap 1 and right end cap 9.The outer surface of main body 11 is provided with the spheric structure of evagination, and spheric structure is around the rotating sphere tube 4 of main body looping, and rotating sphere tube 4 is welded as overall structure with main body 11.Said sealing material is located between the rotating sphere tube 4 and shell 8 of main body, is connected with pull bar 7 between left end cap 1 and the right end cap 9.Said left end cap 1 is provided with connecting tube and is made as overall structure with connecting tube, and said right end cap 9 is set in the outer surface of main body 11 tube walls; Be respectively equipped with roller 10 between the outer surface of left end cap 1 and right end cap 9 and main body 11 tube walls.
In the present embodiment, said sealing material comprises two metal support seal rings 3 that are provided with at interval, and metal support seal ring 3 constitutes iso-curvature ball face sealing pair with the surface of contact of rotating sphere tube 4.Be provided with graphite expansion agent stuffing box packing 6 between two metal support seal rings 3, stuffing box packing 6 corresponding shells 8 are provided with to annotate fills out cup 5.Be respectively equipped with metallic seal sheet 2 between said left end cap 1 and right end cap 9 and two metal support seal rings 3.According to the size of pipe diameter, be uniformly distributed with on the shell 8 to be provided with to annotate more than two and fill out cup 5, be used for annotating the black dilatant that rockfills.
Embodiment two
Wafer type HTHP whirl compensator system; Comprise two above-mentioned wafer type HTHP whirl compensators and a connecting tube; Connecting tube is located between adjacent two wafer type HTHP whirl compensators, and the axis of connecting tube and wafer type HTHP whirl compensator is not on same straight line.In the present embodiment, two wafer type HTHP whirl compensators and connecting tube constitute V-arrangement or U-shaped structure.
Embodiment three
Wafer type HTHP whirl compensator system is connected to form by three above-mentioned wafer type HTHP whirl compensators successively, and three wafer type HTHP whirl compensators constitute v-shaped structure.
The metal support seal ring material of wafer type HTHP whirl compensator is copper or high strength composite; Process iso-curvature ball face sealing pair with rotating sphere tube sphere; There is the chromium plating polishing layer at rotating sphere tube outer surface and stuffing box packing, the contacted position of metal support seal ring; Surface roughness reaches
, and right ends interior surface and rotating sphere tube main body outer surface are provided with twice centering roller, become two point supportings; Can reduce the frictional force of rotating sphere tube effectively; Coaxality when guaranteeing the rotation of rotating sphere tube, and can bear bigger moment of rotation, be characterized in that surface friction drag is little; Long service life, Maintenance free.Rotating sphere tube and pipeline equal diameter, no pressure thrust, the media flow resistance is little, the no pressure loss.
The utility model has overcome the deficiency of existing telescopic joint, the seal form of compensator is become hard sealing by soft seal make up good seal performance with the graphite expansion agent.It is to rotate that compensation way is become slip; Promptly three whirl compensators are combined into the V-type pivoted arm, and the displacement conversion that the pipeline axial expansion is produced is the deflection around axis, realize the conversion of axial displacement through the change of pivoted arm angle; Rotation angle can reach 90 degree; Big, the high temperature resistant and high pressure of its compensation ability, and sealing is reliable, but maximum extraction duct axial elongation amount 1000mm.Position, rotating sphere tube sphere both sides is provided with the metal support seal ring, can effectively guarantee the position of rotating sphere tube, anti-slip, and the supporting seal ring presses down tightening seal in the pretightening force effect of pull bar.The utility model Maximum operating temperature can reach 550 ℃; Maximum operating pressure can reach 10.0Mpa; Can be applied to the heating power power conduit of HTHP, solve heating power power conduit compensating element and laid difficult problem, can guarantee the long-term efficient operation of heating power power conduit and heat distribution pipe network.
The utility model working life is 4～6 times of existing telescopic joint compensator; Compensation ability is 2～4 times of present telescopic joint compensator, and the compensator quantity that pipe laying is used significantly reduces, and reduces investment outlay; Increase economic efficiency, help environmental protection.
Claims (8)
1. a wafer type HTHP whirl compensator comprises main body, shell, end cap and sealing material, is provided with sealing material between said main body and the shell, and the two ends of sealing material are provided with end cap, it is characterized in that:
The outer surface of said main body is provided with the spheric structure of evagination, and spheric structure is around the rotating sphere tube of main body looping, and rotating sphere tube and main body are welded as overall structure;
Said sealing material is located between the rotating sphere tube and shell of main body, and the two ends of sealing material are respectively equipped with left end cap and right end cap, are connected with pull bar between left end cap and the right end cap;
Said left end cap is provided with connecting tube and is made as overall structure with connecting tube, and said right end cap is set in the outer surface of main body tube wall.
2. wafer type HTHP whirl compensator according to claim 1; It is characterized in that: said sealing material comprises two metal support seal rings that are provided with at interval; Be provided with stuffing box packing between two metal support seal rings, the corresponding shell of said stuffing box packing is provided with to annotate fills out cup;
Be respectively equipped with the metallic seal sheet between said left end cap and right end cap and two metal support seal rings.
3. wafer type HTHP whirl compensator according to claim 2 is characterized in that: be laid with on the said shell to annotate more than four and fill out cup.
4. wafer type HTHP whirl compensator according to claim 2 is characterized in that: it is secondary that the surface of contact of said metal support seal ring and rotating sphere tube constitutes the iso-curvature ball face sealing.
5. wafer type HTHP whirl compensator according to claim 2 is characterized in that: said stuffing box packing is the graphite expansion agent.
6. wafer type HTHP whirl compensator according to claim 1 and 2 is characterized in that: be respectively equipped with roller between the outer surface of said left end cap and right end cap and said main body tube wall.
7. wafer type HTHP whirl compensator system; It is characterized in that: said system comprises at least two wafer type HTHP whirl compensators and at least one connecting tube; Said connecting tube is located between adjacent two wafer type HTHP whirl compensators, and the axis of said connecting tube and said wafer type HTHP whirl compensator is not on same straight line.
8. wafer type HTHP whirl compensator according to claim 7 system is characterized in that: said system is made up of three wafer type HTHP whirl compensators that connect successively, and three wafer type HTHP whirl compensators formation v-shaped structures.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011203886478U CN202302531U (en) | 2011-10-13 | 2011-10-13 | Clamping type high-temperature and high-pressure rotary compensator and compensation system thereof |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011203886478U CN202302531U (en) | 2011-10-13 | 2011-10-13 | Clamping type high-temperature and high-pressure rotary compensator and compensation system thereof |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN202302531U true CN202302531U (en) | 2012-07-04 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2011203886478U Expired - Fee Related CN202302531U (en) | 2011-10-13 | 2011-10-13 | Clamping type high-temperature and high-pressure rotary compensator and compensation system thereof |
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| Country | Link |
|---|---|
| CN (1) | CN202302531U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103047505A (en) * | 2011-10-13 | 2013-04-17 | 江苏百新波纹管有限公司 | Double-clip type high-temperature high-pressure rotation compensator |
| CN105179814A (en) * | 2015-09-11 | 2015-12-23 | 中国航空规划设计研究总院有限公司 | High-temperature high-pressure large-diameter pipeline fixed support and fixing method thereof |
-
2011
- 2011-10-13 CN CN2011203886478U patent/CN202302531U/en not_active Expired - Fee Related
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103047505A (en) * | 2011-10-13 | 2013-04-17 | 江苏百新波纹管有限公司 | Double-clip type high-temperature high-pressure rotation compensator |
| CN103047505B (en) * | 2011-10-13 | 2014-12-17 | 江苏百新波纹管有限公司 | Double-clip type high-temperature high-pressure rotation compensator |
| CN105179814A (en) * | 2015-09-11 | 2015-12-23 | 中国航空规划设计研究总院有限公司 | High-temperature high-pressure large-diameter pipeline fixed support and fixing method thereof |
| CN105179814B (en) * | 2015-09-11 | 2017-04-12 | 中国航空规划设计研究总院有限公司 | High-temperature high-pressure large-diameter pipeline fixed support and fixing method thereof |
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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: 20120704 Termination date: 20131013 |