CN101338845A - Rotating compensator for corrosion resistant pipeline and preparation method and compensating system - Google Patents
Rotating compensator for corrosion resistant pipeline and preparation method and compensating system Download PDFInfo
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- CN101338845A CN101338845A CNA200810124622XA CN200810124622A CN101338845A CN 101338845 A CN101338845 A CN 101338845A CN A200810124622X A CNA200810124622X A CN A200810124622XA CN 200810124622 A CN200810124622 A CN 200810124622A CN 101338845 A CN101338845 A CN 101338845A
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Abstract
The invention discloses a rotary compensator used for anti-corrosion piping and a system thereof. The rotary compensator comprises a rotary connecting pipe (1), a sealing gland (3), a sealing seat (4) and a conical connecting pipe (7). The invention is characterized in that one end of the rotary connecting pipe (1) is welded with a coupling flange (8), the other end thereof is equipped with a terrace (9) and is inserted into a taper connecting pipe (7). The sealing seat (4) is covered on the rotary connecting pipe (1), the internal surface of the sealing seat (4) is equipped with an internal convex ring (10), one side of one end surface (1001) of the internal convex ring (10) is equipped with a high pressure resistant sealing gasket (6), and the side of the other end surface (1002) of the internal convex ring (10) is equipped with a low pressure sealing gasket (6'), the flange end of the sealing gland (3) is inserted into the sealing space of the ring surface and touches against the sealing gasket (6'), and the sealing gland (3) and the sealing seat (4), the sealing seat (4) and the taper connecting pipe (7) are all connected via the flange connection structure. The compensation system comprises at least two compensators. The rotary compensator has the advantages of long service life, good pressure resistance and large compensation rate.
Description
Technical field
The present invention relates to a kind of Korrosionsmedium conveyance conduit compensator, especially compensator and the system thereof that uses on industry such as petrochemical industry, the smelting Korrosionsmedium high-pressure delivery pipeline, specifically a kind of rotating compensator for corrosion resistant pipeline and manufacture method and bucking-out system.
Background technique
As everyone knows, in industries such as petrochemical industry, extraordinary chemical industry, metallurgy, often need to use anticorrosion pipeline to carry corrosive liquids or corrosive gass such as chlorine, ammonia such as highly basic, strong acid, and these pipelines mostly are unsettled greatly or shallow embedding formula pipeline, be subjected to season, day and night the temperature difference and inherent medium temperature change influence its length and can change, therefore must use pipeline compensator.The most frequently used compensation device is a bellows at present, this corrugated expansion joint is because complementary range is limited, therefore the certain distance in every interval just must be installed one, therefore on pipeline, many outward corrugated tubes compensator must be installed, in addition, because the resistance to pressure of bellows is relatively poor, therefore for a long time, the pressure of conveyance conduit can't improve.Be subjected to temperature difference influence, bellows is folding and unfolding repeatedly, is easy to damage, and the life-span is shorter, therefore must regularly replace, and not only increases operating cost, and influences ordinary production.
Summary of the invention
The objective of the invention is short at the compensator life-span of using in the present corrosion-resistant conveyance conduit, pressure is little, the problem that complementary range is limited designs a kind of complementary range is big, withstand voltage, the life-span is long rotating compensator for corrosion resistant pipeline and manufacture method and bucking-out system.
Technological scheme of the present invention one of is:
A kind of rotating compensator for corrosion resistant pipeline, comprise the pipe 1 that is rotatably connected, sealing gland 3, sealing seat 4 and cone connecting tube 7, it is characterized in that a described end that is rotatably connected pipe 1 is welded with adpting flange 8, its the other end is provided with a step surface 9 and stretches in the cone connecting tube 7, sealing seat 4 is sleeved on the pipe 1 that is rotatably connected, the internal surface of sealing seat 4 is provided with a convex ring body 10, an end face 1001 of convex ring body 10, the step surface 9 of pipe on 1 is rotatably connected, form an end face seal space that high pressure resistant seal ring 6 is installed between the outer surface 101 of the internal surface 401 of sealing seat 4 and the pipe 1 that is rotatably connected, another end face 1002 of convex ring body 10, be rotatably connected also be formed with between the internal surface 402 of pipe 1 outer surface 101 and seal ring 4 install low pressure seal circle 6 ' the face seal space, the flange end of sealing gland 3 insert in the described face seal space and with seal ring 6 ' offset, between sealing gland 3 and the sealing seat 4, all link to each other between sealing seat 4 and the cone connecting tube 7, and the flanged connecting structure between sealing seat 4 and the cone connecting tube 7 is unique linkage structure by flanged connecting structure.
Described pipe 1, sealing gland 3, sealing seat 4 and the cone connecting tube 7 of being rotatably connected is the resistant material product.
The described pipe 1 that is rotatably connected, sealing seat 4 and cone connecting tube 7 are formed by metallic material base material and the anti-corrosion layer 2 that covers on the metal base.
Described anti-corrosion layer 2 cover all with surface that the institute fed sheet of a media directly or indirectly contacts on; For the pipe 1 that is rotatably connected, anti-corrosion layer 2 covers and covers at least with lower area: internal surface 102, end face of flange 801, stretch into cone connecting tube 7 one ends with the contacted surface of medium, step surface 9, with seal ring 6 and convex ring body 10 contacted outer surfaces 101 or whole outer surfaces 101; For sealing seat 4, described anti-corrosion layer 2 covers at least: at least one end face 1001 of the internal surface of internal surface 401, convex ring body 10, convex ring body 10 and with flanged surface that cone connecting tube 7 is connected on; For the cone connecting tube, described anti-corrosion layer 2 cover at least its internal surface, with sealing seat 4 contacted flanged surfaces and with delivery pipe on the contacted flanged surface of flanged surface on.
Described sealing gland 3 also is made up of metallic material base material and the anti-corrosion layer 2 that covers on the metal base, described anti-corrosion layer 2 cover at least its be rotatably connected manage 1 and seal ring 6 ' contacted surface on.
Technological scheme of the present invention be two:
A kind of anticorrosion pipeline length compensation system that rotating compensator for corrosion resistant pipeline is installed, it is characterized in which comprises at least two rotating compensator for corrosion resistant pipeline 11 and at least one connecting tube 12, the center line of described rotating compensator for corrosion resistant pipeline 11 is perpendicular with the center line of the conveyance conduit 13 that is connected, and the two ends of described connecting tube 12 are continuous with corresponding rotating compensator for corrosion resistant pipeline 11 entrance points or outlet end respectively.
Technological scheme of the present invention be three:
A kind of manufacture method of rotating compensator for corrosion resistant pipeline is characterized in that it may further comprise the steps:
The first step applies anti-corrosion layer 2 on the internal surface of the internal surface of be rotatably connected pipe 1 outer surface, sealing seat 4 and cone connecting tube 7;
Second step, elder generation being sleeved on high pressure resistant seal ring 6 on the pipe 1 that is rotatably connected and its step surface 9 with the pipe 1 that is rotatably connected is offseted, then sealing seat 4 is sleeved on the pipe 1 that is rotatably connected, then seal ring 6 ' send into sealing seat 4 is managed in the face seal space between 1 with being rotatably connected, at last sealing gland 3 is sleeved on the pipe 1 that is rotatably connected, and with connecting bolt sealing gland 3 and sealing seat 4 realized reliably being connected, make sealing gland 3 with seal ring 6 ' be pressed in the described face seal space; With connecting bolt cone connecting tube 7 reliably is connected with adpting flange between the sealing seat 4 simultaneously;
In the 3rd step, pipe 1 exposed junction and adpting flange 8 are weldingly connected with being rotatably connected;
At last, the internal surface at the pipe 1 that is rotatably connected applies anti-corrosion layer 2.
Beneficial effect of the present invention:
The present invention has successfully solved the compensation problem that perplexs the conveyance conduit of resistant material for a long time, can prolong the maintenance period of pipeline greatly, saves the maintenance operation cost.
Utilize the complementary range of compensator of the present invention big, therefore can significantly reduce the quantity of compensator in the pipe-line system, reduce cost.
Because the employing end face seal of compensator of the present invention is main (seal ring 6), (6 ') are auxilliary to face seal, but compression resistance high pressure hundreds of MPa, therefore can improve discharge pressure greatly, the resistance to pressure difference that has overcome traditional corrugated expansion joint existence influences the difficult problem of line transportation pressure.
Compensator structure of the present invention is simple, makes, installs, seals reliable.
Description of drawings
Fig. 1 is the structural representation of compensator of the present invention.
Fig. 2 is one of the structural representation that the bucking-out system of compensator of the present invention is installed.
Fig. 3 is the plan structure schematic representation of Fig. 2.
Fig. 4 be equipped with compensator of the present invention bucking-out system structural representation two.
Fig. 5 be equipped with compensator of the present invention bucking-out system structural representation three.
Fig. 6 be equipped with compensator of the present invention bucking-out system structural representation four.
Embodiment
The present invention is further illustrated below in conjunction with drawings and Examples.
Embodiment one.
As shown in Figure 1.
A kind of rotating compensator for corrosion resistant pipeline, comprise the pipe 1 that is rotatably connected, sealing gland 3, sealing seat 4 and cone connecting tube 7, a described end that is rotatably connected pipe 1 is welded with adpting flange 8, and (this is can be sleeved on easily on the pipe 1 that is rotatably connected for the ease of sealing seat 4, have only after sealing seat 4 is sleeved on the pipe 1 that is rotatably connected and adpting flange 8 could be weldingly connected with the pipe 1 that is rotatably connected, link to each other with conveyance conduit by adpting flange 8 more in use), its the other end is tapered and be provided with a step surface 9, tapered end stretches in the cone connecting tube 7 that is similarly taper, two ends of sealing seat 4 respectively are provided with an adpting flange, it is sleeved on the pipe 1 that is rotatably connected, when needs compensate, the sealing seat 4 and the pipe 1 that is rotatably connected can relatively rotate, the internal surface of sealing seat 4 is provided with a convex ring body 10, an end face 1001 of convex ring body 10, the step surface 9 of pipe on 1 is rotatably connected, form an end face seal space between the outer surface 101 of the internal surface 401 of sealing seat 4 and the pipe 1 that is rotatably connected, high pressure resistant seal ring 6 is installed in this end face seal space, it is the disclosed high-pressure seal ring that has skeleton of Chinese patent of 200g10023454.5 that high pressure resistant seal ring 6 can adopt application number, and sealing material wherein should have corrosion resistance.Low pressure face seal space of same formation between the outer surface 101 of another end face 1002 of convex ring body 10, the pipe 1 that is rotatably connected and the internal surface 402 of sealing seat 4, installation low pressure seal circle 6 in this low pressure face seal space ', one end of sealing gland 3 is provided with a flange, the other end is provided with the adpting flange that links to each other with sealing seat 4, the flange end of sealing gland 3 insert in the described face seal space and with seal ring 6 ' offset so that high-pressure seal ring 6 prevents that corrosive gas is from sealing seat 4 and be rotatably connected and leak between the pipe 1 when inoperative.Between sealing gland 3 and the sealing seat 4, all link to each other between sealing seat 4 and the cone connecting tube 7, all continuous between each flange among Fig. 1 with connecting bolt 5 by flanged connecting structure.Must adopt unique flanged connecting structure between sealing seat 4 and the cone connecting tube 7, flange can be face-flange or concavo-convex flange, this is because sealing seat 4 must be sleeved on earlier on the pipe 1 that is rotatably connected, and then link to each other with cone connecting tube 7, so sealing seat 4 must adopt unique flange connection with cone connecting tube 7.
Be rotatably connected during concrete enforcement pipe 1, sealing gland 3, sealing seat 4 and cone connecting tube 7 can all adopt raw material manufacturings such as high-strength corrosion-resisting material such as high-strength engineering plastic, special plastic, feature rubber, also can adopt adding the method for covering anti-corrosion layer 2 with metal base and made shown in Fig. 1.Anti-corrosion layer 2 should cover all with surface that the institute fed sheet of a media directly or indirectly contacts on, as shown in Figure 1, for the pipe 1 that is rotatably connected, anti-corrosion layer 2 covers and covers at least with lower area: internal surface 102, end face of flange 801, stretch into cone connecting tube 7 one ends with the contacted surface of medium, step surface 9, with seal ring 6 and convex ring body 10 contacted outer surfaces 101 or whole outer surfaces 101; For sealing seat 4, described anti-corrosion layer 2 covers at least: at least one end face 1001 of the internal surface of internal surface 401, convex ring body 10, convex ring body 10 and with flanged surface that cone connecting tube 7 is connected on; For the cone connecting tube, described anti-corrosion layer 2 cover at least its internal surface, with sealing seat 4 contacted flanged surfaces and with delivery pipe on the contacted flanged surface of flanged surface on.In addition, also should cover anti-corrosion layer 2 on the sealing gland 3, described anti-corrosion layer 2 cover at least its be rotatably connected the pipe 1 and low pressure seal circle 6 ' contacted surface on, since surround low pressure seal circle 6 ' the space only work at the initial stage that high-pressure seal ring is not worked, during therefore concrete enforcement, to around install low pressure seal circle 6 ' the space around the surface of component on also can not cover anti-corrosion layer 2, to reduce manufacture cost.
The compensation principle of present embodiment be by be rotatably connected the pipe 1 delivery pipe that links to each other (or transition delivery pipe) with respect to (shown in Fig. 2,3) of relatively rotating realization between the delivery pipe that links to each other with cone connecting tube 7 (or transition delivery pipe).
The manufacture method of the above-mentioned whirl compensator that has anti-corrosion layer is as follows:
The first step applies anti-corrosion layer 2 on the internal surface of the internal surface of be rotatably connected pipe 1 outer surface, sealing seat 4 and cone connecting tube 7;
Second step, elder generation being sleeved on high pressure resistant seal ring 6 on the pipe 1 that is rotatably connected and its step surface 9 with the pipe 1 that is rotatably connected is offseted, then sealing seat 4 is sleeved on the pipe 1 that is rotatably connected, then seal ring 6 ' send into sealing seat 4 is managed in the face seal space between 1 with being rotatably connected, at last sealing gland 3 is sleeved on the pipe 1 that is rotatably connected, and with connecting bolt sealing gland 3 and sealing seat 4 realized reliably being connected, make sealing gland 3 with seal ring 6 ' be pressed in the described face seal space; With connecting bolt cone connecting tube 7 reliably is connected with adpting flange between the sealing seat 4 simultaneously;
In the 3rd step, pipe 1 exposed junction and adpting flange 8 are weldingly connected with being rotatably connected;
At last, the internal surface at the pipe 1 that is rotatably connected applies anti-corrosion layer 2.
For the compensator that is rotatably connected of direct employing resistant material manufacturing, then can save the coating step of corresponding anti-corrosion layer.
Limit by text description, for a person skilled in the art, the order of above-mentioned concrete manufacturing step can carry out the transposing of equivalence.
Embodiment two.
Shown in Fig. 2,3.
A kind of straight length bucking-out system that the anticorrosion pipeline compensator is installed, it comprises two rotating compensator for corrosion resistant pipeline 11 and a connecting tube 12, the center line of described rotating compensator for corrosion resistant pipeline 11 is perpendicular with the center line of the conveyance conduit 13 that is connected, the two ends of described connecting tube 12 (can be connecting bend by elbow separately, also can be integrally-built elbow, shown in Figure 2 is the connecting tube 12 that has connecting bend) continuous with corresponding rotating compensator for corrosion resistant pipeline 11 entrance points or outlet end respectively.Conveyance conduit 13 links to each other with the entrance point or the outlet end of corresponding rotating compensator for corrosion resistant pipeline 11 by connecting bend, and as shown in Figure 2, the conveyance conduit 13 described in Fig. 2 is parallel on the same horizontal plane but not on same straight line.
Length compensation of the present invention is to rotate by the plane of connecting tube 12 to realize, as shown in Figure 3, when conveyance conduit 13 is elongated, the end that left side conveyance conduit 13 promotes connecting tube 12 clockwise rotates, clockwise rotate and the conveyance conduit 13 on the right also promotes connecting tube 12, the distance between left and right conveyance conduit 13 ports is dwindled, otherwise, when conveyance conduit 13 shorten lengths, 12 of connecting tubes rotate counterclockwise.During concrete the installation, can make two rotating compensator for corrosion resistant pipeline 11 end-to-ends that (as Fig. 2) is installed, also can adopt head, head joins or the tail tail joins mode to install.
Embodiment three.
As shown in Figure 4.
Present embodiment and embodiment's two difference is that described medium transport pipeline 13 is located along the same line.
Embodiment four.
As shown in Figure 5.
Present embodiment and embodiment's two difference is, described medium transport pipeline 13 is parallel on the same horizontal plane but not on same straight line.
Embodiment five.
As shown in Figure 6.
Present embodiment is that with the difference of implementing two described compensation device is installed in the turning of conveyance conduit.
Fig. 2-Fig. 6 only is several common bucking-out systems, but for knowing those skilled in the art, can design the bucking-out system based on relative rotation realization compensation of various equivalence according to the prompting of Fig. 2-Fig. 6 and the characteristics of compensator of the present invention.
Compensation principle of the present invention is:
The conveyance conduit that links to each other with cone connecting tube 7 can do relative with manage rotatablely moving of 1 conveyance conduit that links to each other with being rotatably connected, thereby change traditional straight line compensation into rotation compensation, because whirl compensator generally is to use in pairs, therefore complementary range can be relatively large, can significantly reduce the quantity of the compensator on the conveyance conduit like this.
Circumferential seal of the present invention is realized by high pressure resistant seal ring 6, when in the pipeline pressure being arranged, pressure acts on and making the axial pulling force of generation between pipe 1 and the cone connecting tube 7 that is rotatably connected on the surface of contact, this pulling force is big more, the suffered extruding force of high pressure resistant seal ring 6 is also big more, sealing all the more can be high, therefore can not produce circumferential leakage.And seal ring 6 ' effect be after the conveyance conduit internal pressure is set up initial stage or decompression, to play seal action, the leakage of fed sheet of a media when preventing that high pressure resistant seal ring 6 does not work under the low-pressure state.
The part that the present invention does not relate to prior art that maybe can adopt all same as the prior art is realized.
Claims (7)
1, a kind of rotating compensator for corrosion resistant pipeline, comprise the pipe (1) that is rotatably connected, sealing gland (3), sealing seat (4) and cone connecting tube (7), it is characterized in that a described end that is rotatably connected pipe (1) is welded with adpting flange (8), its the other end is provided with a step surface (9) and stretches in the cone connecting tube (7), sealing seat (4) is sleeved on the pipe (1) that is rotatably connected, the internal surface of sealing seat (4) is provided with a convex ring body (10), an end face (1001) of convex ring body (10), step surface (9) on the pipe (1) is rotatably connected, form an end face seal space that high pressure resistant seal ring (6) is installed between the internal surface (401) of sealing seat (4) and the outer surface (101) of pipe (1) that is rotatably connected, another end face (1002) of convex ring body (10), be rotatably connected and also be formed with the face seal space that low pressure seal circle (6 ') is installed between the internal surface (402) of the outer surface (101) of pipe (1) and seal ring (4), the flange end of sealing gland (3) is inserted in the described face seal space and with seal ring (6 ') and is offseted, between sealing gland (3) and the sealing seat (4), all link to each other between sealing seat (4) and the cone connecting tube (7), and the flanged connecting structure between sealing seat (4) and the cone connecting tube (7) is unique linkage structure by flanged connecting structure.
2, rotating compensator for corrosion resistant pipeline according to claim 1 is characterized in that the described pipe (1) that is rotatably connected, sealing gland (3), sealing seat (4) and cone connecting tube (7) are the resistant material product.
3, rotating compensator for corrosion resistant pipeline according to claim 1 is characterized in that the described pipe (1) that is rotatably connected, sealing seat (4) and cone connecting tube (7) are by metallic material base material and anti-corrosion layer (2) composition that covers on the metal base.
4, rotating compensator for corrosion resistant pipeline according to claim 3, it is characterized in that described anti-corrosion layer (2) cover all with surface that the institute fed sheet of a media directly or indirectly contacts on; For the pipe (1) that is rotatably connected, anti-corrosion layer (2) covers and to cover at least with lower area: internal surface (102), end face of flange (801), stretch into cone connecting tube (7) one ends with the contacted surface of medium, step surface (9), with seal ring (6) and the contacted outer surface of convex ring body (10) (101) or whole outer surfaces (101); For sealing seat (4), described anti-corrosion layer (2) covers at least: the internal surface of internal surface (401), convex ring body (10), at least one end face (1001) of convex ring body (10) and with flanged surface that cone connecting tube (7) is connected on; For the cone connecting tube, described anti-corrosion layer (2) cover at least its internal surface, with the contacted flanged surface of sealing seat (4) and with delivery pipe on the contacted flanged surface of flanged surface on.
5, rotating compensator for corrosion resistant pipeline according to claim 1, it is characterized in that described sealing gland (3) also is made up of metallic material base material and the anti-corrosion layer (2) that covers on the metal base, described anti-corrosion layer (2) cover at least its be rotatably connected pipe (1) and the contacted surface of seal ring (6 ') on.
6, a kind of anticorrosion pipeline length compensation system that the described compensator of claim 1 is installed, it is characterized in which comprises at least two rotating compensator for corrosion resistant pipeline (11) and at least one connecting tube (12), the center line of described rotating compensator for corrosion resistant pipeline (11) is perpendicular with the center line of the conveyance conduit that is connected (13), and the two ends of described connecting tube (12) are continuous with corresponding rotating compensator for corrosion resistant pipeline (11) entrance point or outlet end respectively.
7, the manufacture method of the described rotating compensator for corrosion resistant pipeline of a kind of claim 1 is characterized in that it may further comprise the steps:
The first step applies anti-corrosion layer (2) on the internal surface of the internal surface of the outer surface of pipe (1) that is rotatably connected, sealing seat (4) and cone connecting tube (7);
Second step, elder generation is sleeved on high pressure resistant seal ring (6) on the pipe (1) that is rotatably connected and it is offseted with the step surface (9) of pipe (1) that is rotatably connected, sealing seat (4) is sleeved on the pipe (1) that is rotatably connected then, then seal ring (6 ') is sent in sealing seat (4) and the face seal space that is rotatably connected between the pipe (1), sealing gland (3) is sleeved on the pipe (1) that is rotatably connected at last, and with connecting bolt sealing gland (3) and sealing seat (4) are realized reliably being connected, sealing gland (3) is pressed on seal ring (6 ') in the described face seal space; With connecting bolt cone connecting tube (7) reliably is connected with adpting flange between the sealing seat (4) simultaneously;
In the 3rd step, the exposed junction and the adpting flange (8) of the pipe (1) that will be rotatably connected are weldingly connected;
At last, the internal surface at the pipe (1) that is rotatably connected applies anti-corrosion layer (2).
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN200810124622XA CN101338845B (en) | 2008-08-27 | 2008-08-27 | Rotating compensator for corrosion resistant pipeline and preparation method and compensating system |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN200810124622XA CN101338845B (en) | 2008-08-27 | 2008-08-27 | Rotating compensator for corrosion resistant pipeline and preparation method and compensating system |
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| CN101338845A true CN101338845A (en) | 2009-01-07 |
| CN101338845B CN101338845B (en) | 2011-01-19 |
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| CN102109074A (en) * | 2011-03-14 | 2011-06-29 | 江苏宏鑫旋转补偿器科技有限公司 | Rotary compensator for corrosion-resistant pipeline based on titanium steel or zirconium steel composite plates |
| CN102466102A (en) * | 2010-11-15 | 2012-05-23 | 陈墅庚 | Corrosion-resistant rotary displacement adjuster for pipelines |
| CN103062510A (en) * | 2011-10-24 | 2013-04-24 | 中国航空工业集团公司沈阳发动机设计研究所 | Double-ball angle sealing structure used for penetrating through cartridge receiver |
| CN106439318A (en) * | 2016-10-12 | 2017-02-22 | 山东飞越机械有限公司 | Rotary joint capable of realizing adjustment of mounting length |
| CN107681624A (en) * | 2017-10-31 | 2018-02-09 | 富通集团（天津）超导技术应用有限公司 | A kind of extremity piece device of hyperconductive cable bellows and attaching method thereof |
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| CN102466102A (en) * | 2010-11-15 | 2012-05-23 | 陈墅庚 | Corrosion-resistant rotary displacement adjuster for pipelines |
| CN102466102B (en) * | 2010-11-15 | 2014-08-13 | 陈墅庚 | Corrosion-resistant rotary displacement adjuster for pipelines |
| CN102109074A (en) * | 2011-03-14 | 2011-06-29 | 江苏宏鑫旋转补偿器科技有限公司 | Rotary compensator for corrosion-resistant pipeline based on titanium steel or zirconium steel composite plates |
| CN103062510A (en) * | 2011-10-24 | 2013-04-24 | 中国航空工业集团公司沈阳发动机设计研究所 | Double-ball angle sealing structure used for penetrating through cartridge receiver |
| CN103062510B (en) * | 2011-10-24 | 2016-04-27 | 中国航空工业集团公司沈阳发动机设计研究所 | A kind of for the special-shaped sealing structure through casing |
| CN106439318B (en) * | 2016-10-12 | 2018-05-08 | 山东飞越机械有限公司 | A kind of swivel joint that can realize installation length size adjusting |
| CN106439318A (en) * | 2016-10-12 | 2017-02-22 | 山东飞越机械有限公司 | Rotary joint capable of realizing adjustment of mounting length |
| CN107681624A (en) * | 2017-10-31 | 2018-02-09 | 富通集团（天津）超导技术应用有限公司 | A kind of extremity piece device of hyperconductive cable bellows and attaching method thereof |
| CN107681624B (en) * | 2017-10-31 | 2020-05-08 | 富通集团（天津）超导技术应用有限公司 | End piece device of superconducting cable corrugated pipe and using method thereof |
| CN108278431A (en) * | 2018-03-13 | 2018-07-13 | 江苏五星波纹管有限公司 | A kind of spherical shape corrugated expansion joint and its production method |
| CN108278431B (en) * | 2018-03-13 | 2024-02-20 | 江苏五星波纹管有限公司 | Spherical corrugated pipe compensator and production method thereof |
| CN108799680A (en) * | 2018-05-28 | 2018-11-13 | 王惠俊 | The compound anti-leak compensator of corrugated |
| CN114623306A (en) * | 2022-03-17 | 2022-06-14 | 兰州新生科技有限责任公司 | Horizontal pipeline deformation compensation method based on rotary compensator |
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| CN101338845B (en) | 2011-01-19 |
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Assignee: Jiangsu Hongxin Revolving Compensator Technology Co.,Ltd. Assignor: Song Zhanggen Contract record no.: 2011320000296 Denomination of invention: Rotating compensator for corrosion resistant pipeline and preparation method and compensating system Granted publication date: 20110119 License type: Exclusive License Open date: 20090107 Record date: 20110317 |