CN110762310A - High-flexibility anti-loss pressure-stabilizing balanced expansion joint for connecting sensitive equipment pipe orifice - Google Patents

High-flexibility anti-loss pressure-stabilizing balanced expansion joint for connecting sensitive equipment pipe orifice Download PDF

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Publication number
CN110762310A
CN110762310A CN201911142438.2A CN201911142438A CN110762310A CN 110762310 A CN110762310 A CN 110762310A CN 201911142438 A CN201911142438 A CN 201911142438A CN 110762310 A CN110762310 A CN 110762310A
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CN
China
Prior art keywords
pipe
expansion joint
hinge plate
balanced
welded
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Pending
Application number
CN201911142438.2A
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Chinese (zh)
Inventor
孙丹
王涛
邵长乐
李亮
杨炳旭
吴文东
姜兆栋
庄小瑞
梁冬
李旭
兰滢
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
SHENYANG AEROSUN-FUTAI EXPANSION JOINT Co Ltd
Original Assignee
SHENYANG AEROSUN-FUTAI EXPANSION JOINT Co Ltd
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
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Publication date
Application filed by SHENYANG AEROSUN-FUTAI EXPANSION JOINT Co Ltd filed Critical SHENYANG AEROSUN-FUTAI EXPANSION JOINT Co Ltd
Priority to CN201911142438.2A priority Critical patent/CN110762310A/en
Publication of CN110762310A publication Critical patent/CN110762310A/en
Pending legal-status Critical Current

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    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F16ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
    • F16LPIPES; JOINTS OR FITTINGS FOR PIPES; SUPPORTS FOR PIPES, CABLES OR PROTECTIVE TUBING; MEANS FOR THERMAL INSULATION IN GENERAL
    • F16L41/00Branching pipes; Joining pipes to walls
    • F16L41/02Branch units, e.g. made in one piece, welded, riveted
    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F16ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
    • F16LPIPES; JOINTS OR FITTINGS FOR PIPES; SUPPORTS FOR PIPES, CABLES OR PROTECTIVE TUBING; MEANS FOR THERMAL INSULATION IN GENERAL
    • F16L51/00Expansion-compensation arrangements for pipe-lines
    • F16L51/02Expansion-compensation arrangements for pipe-lines making use of bellows or an expansible folded or corrugated tube
    • F16L51/025Expansion-compensation arrangements for pipe-lines making use of bellows or an expansible folded or corrugated tube with several corrugations
    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F16ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
    • F16LPIPES; JOINTS OR FITTINGS FOR PIPES; SUPPORTS FOR PIPES, CABLES OR PROTECTIVE TUBING; MEANS FOR THERMAL INSULATION IN GENERAL
    • F16L51/00Expansion-compensation arrangements for pipe-lines
    • F16L51/02Expansion-compensation arrangements for pipe-lines making use of bellows or an expansible folded or corrugated tube
    • F16L51/027Expansion-compensation arrangements for pipe-lines making use of bellows or an expansible folded or corrugated tube with external reinforcement
    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F16ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
    • F16LPIPES; JOINTS OR FITTINGS FOR PIPES; SUPPORTS FOR PIPES, CABLES OR PROTECTIVE TUBING; MEANS FOR THERMAL INSULATION IN GENERAL
    • F16L51/00Expansion-compensation arrangements for pipe-lines
    • F16L51/02Expansion-compensation arrangements for pipe-lines making use of bellows or an expansible folded or corrugated tube
    • F16L51/028Expansion-compensation arrangements for pipe-lines making use of bellows or an expansible folded or corrugated tube with the expansion or contraction of each corrugation being limited
    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F16ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
    • F16LPIPES; JOINTS OR FITTINGS FOR PIPES; SUPPORTS FOR PIPES, CABLES OR PROTECTIVE TUBING; MEANS FOR THERMAL INSULATION IN GENERAL
    • F16L51/00Expansion-compensation arrangements for pipe-lines
    • F16L51/02Expansion-compensation arrangements for pipe-lines making use of bellows or an expansible folded or corrugated tube
    • F16L51/03Expansion-compensation arrangements for pipe-lines making use of bellows or an expansible folded or corrugated tube comprising two or more bellows
    • F16L51/035Expansion-compensation arrangements for pipe-lines making use of bellows or an expansible folded or corrugated tube comprising two or more bellows for cancelling the axial loading resulting from fluid pressure
    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F16ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
    • F16LPIPES; JOINTS OR FITTINGS FOR PIPES; SUPPORTS FOR PIPES, CABLES OR PROTECTIVE TUBING; MEANS FOR THERMAL INSULATION IN GENERAL
    • F16L55/00Devices or appurtenances for use in, or in connection with, pipes or pipe systems
    • F16L55/04Devices damping pulsations or vibrations in fluids
    • F16L55/041Devices damping pulsations or vibrations in fluids specially adapted for preventing vibrations

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  • Engineering & Computer Science (AREA)
  • General Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Joints Allowing Movement (AREA)

Abstract

The invention discloses a high-flexibility anti-destabilization pressure-stabilizing balanced expansion joint for connecting sensitive equipment pipe orifices, which can absorb internal pressure thrust generated by the expansion joint, wherein a force bearing part adopts a hinge structure to improve the stability of the expansion joint and reduce the vibration of the expansion joint, and simultaneously, a hinge plate guide plate and an inner guide tube further improve the anti-destabilization capability of the expansion joint; pressure guide pipes are additionally arranged on two sides of the three-way pipeline, pressure is guided to a balance end at a constant speed, so that the expansion joint achieves self balance, and the balance end is prevented from being impacted directly by a high-flow-rate medium, and is prevented from being excessively vibrated or directly damaged; the tee joint adopts a 30-degree tee joint structure, so that system vibration and noise generated when high-flow-rate media pass through the tee joint are reduced; the main hinge plate is directly welded with the sealing plate, so that the installation size of the expansion joint is reduced, and the structure of the expansion joint is more compact; the outside of the straight side section of the corrugated pipe is welded with a reinforcing lantern ring, so that the influence of vibration on the circumferential weld of the straight side section of the corrugated pipe is reduced.

Description

High-flexibility anti-loss pressure-stabilizing balanced expansion joint for connecting sensitive equipment pipe orifice
Technical Field
The invention relates to the technical field of expansion joints, in particular to a high-flexibility anti-loss pressure-stabilizing balanced expansion joint for connecting sensitive equipment pipe orifices.
Background
The expansion joint is used as an elastic compensation element capable of freely stretching, has the main function of absorbing the thermal displacement, the vibration displacement and the installation deviation of a pipeline, and has the advantages of reliable work, good performance, compact structure and the like. The expansion joint for the anti-surge and air-release system of the gas turbine is relatively harsh in design condition, and is mainly limited by two aspects, namely, the expansion joint is in a high-temperature, high-pressure and high-medium flow velocity environment on one hand, the allowable load of a pipe orifice limits the product and the overall flexibility of the product is very high on the other hand, the wall thickness of the corrugated pipe is required to reach a certain value at high temperature and high pressure to meet the strength requirement, the wall of the corrugated pipe is required to adopt a thin-wall multilayer multi-corrugation structure at high flexibility, but the stability of the thin-wall multilayer multi-corrugation structure is relatively poor, and the requirements of flexibility and stability are simultaneously met; the pressure of the working end inner cavity on the left side of the curved pipe pressure balance type expansion joint and the pressure of the balance end inner cavity on the right side of the curved pipe pressure balance type expansion joint need to be kept consistent, so 1-2 holes are generally formed in the tee joint, two ends can be communicated, and the pressure is kept consistent, but because the flow velocity of a medium in a pipeline is too high, the high-flow velocity medium can generate great impact on the tee joint, so that the holes on the tee joint are damaged, the high-flow velocity medium directly impacts the balance end of the expansion joint, and the balance end is excessively vibrated or directly damaged; in the traditional curved pipe pressure balance type expansion joint, a tee joint generally adopts a 90-degree structure, and when the medium flow velocity in a pipeline is very high, because the medium flow direction is suddenly changed by 90 degrees, the phenomena of very large flow resistance and medium turbulence can be generated, thereby bringing very large system vibration and noise.
Disclosure of Invention
The invention aims to provide a high-flexibility anti-loss pressure-stabilizing balanced expansion joint for connecting sensitive equipment pipe orifices, which aims to solve the problems in the background technology.
In order to achieve the purpose, the invention provides the following technical scheme: a high-flexibility pressure loss prevention and stabilization balance type expansion joint for connecting a sensitive equipment pipe orifice comprises a working end assembly A, a three-way assembly and a balance end assembly B, wherein one end of the working end assembly A is connected with one end of the three-way assembly, and the other end of the three-way assembly is connected with one end of the balance end assembly B. The three-way assembly comprises a bent pipe B and a bent pipe C which are communicated with the working end assembly A and the balance end assembly B, and the end parts of the bent pipe B and the bent pipe C are obliquely communicated with the bent pipe A.
Preferably, the angle between the elbow A and the elbows B and C is degree.
Preferably, the working end assembly comprises an end pipe A, a corrugated pipe A, a working end middle pipe and a corrugated pipe B which are welded in sequence, and a supporting plate is welded on the outer wall of the end pipe A.
Preferably, balanced end subassembly includes balanced end intervalve, bellows C and bellows D have been welded respectively to balanced end intervalve both sides, bellows C welds with the tee bend subassembly mutually, the welding of bellows D outside has end pipe B, end pipe B's other end welding has the shrouding, the intraductal clearance fit of balanced end intervalve has interior stand pipe, the both ends of interior stand pipe run through in bellows C and the bellows D and extend to tee bend and end pipe B to with tee bend welded fastening.
Preferably, the hinge plate assembly further comprises a main hinge plate A welded with the support plate and a main hinge plate B welded with the closing plate, and the main hinge plate A is connected with the main hinge plate B through an auxiliary hinge plate.
Preferably, hinge plate guide plates are welded on the outer walls of the working end middle pipe, the tee joint component and the balance end middle pipe, and the main hinge plate A, the main hinge plate B and the auxiliary hinge plate penetrate through the hinge plate guide plates and are in clearance fit with the hinge plate guide plates.
Preferably, the auxiliary hinge plate is respectively connected with the main hinge plate A and the main hinge plate B through pin shafts.
Preferably, the guide pipes are in clearance fit in the corrugated pipes A and B.
Preferably, the length of the flow guide pipe is greater than that of the corrugated pipe A or the corrugated pipe B.
Preferably, the main hinge plate B is directly welded to the closing plate.
Preferably, the outer walls of the elbow pipe B and the elbow pipe C are both welded with pressure guide pipes, one end of each pressure guide pipe is welded with the elbow pipe B, the other end of each pressure guide pipe is welded with the elbow pipe C, and the inner cavities of the elbow pipe B and the elbow pipe C are communicated through the pressure guide pipes.
Preferably, the outer sides of straight side sections of the corrugated pipe A, the corrugated pipe B, the corrugated pipe C and the corrugated pipe D are all welded with reinforcing lantern rings.
Compared with the prior art, the invention has the beneficial effects that: the high-flexibility anti-loss pressure-stabilizing balanced expansion joint for connecting the pipe orifice of the sensitive equipment can absorb the internal pressure thrust generated by the expansion joint; the force bearing part of the expansion joint adopts a hinge structure, so that the stability of the expansion joint can be improved, and the vibration of the expansion joint can be reduced; the corrugated pipe adopts a thin-wall multilayer structure, so that the flexibility of the expansion joint is improved; the hinge plate guide plate and the inner guide plate are additionally provided with expansion joint instability resistance; pressure guide pipes are additionally arranged on two sides of the three-way pipeline, pressure is guided to a balance end at a constant speed, so that the expansion joint achieves a self-balancing effect, the medium flowing at a high speed is prevented from directly impacting the balance end to cause excessive vibration or direct damage of the balance end, and the safety use performance of the expansion joint is improved; the tee joint adopts a 30-degree tee joint structure, so that system vibration and noise caused by flow resistance and medium turbulence generated when high-flow-speed media pass through the tee joint are reduced; the main hinge plate is directly welded with the sealing plate, so that the installation size of the expansion joint is reduced, and the structure of the expansion joint is more compact; the outside of the straight side section of the corrugated pipe is welded with a reinforcing lantern ring, so that the influence of vibration on the circumferential weld of the straight side section of the corrugated pipe is reduced.
Drawings
FIG. 1 is a front view of the present invention;
FIG. 2 is a top view of FIG. 1 in accordance with the present invention;
FIG. 3 is a schematic structural view of a tee assembly of the present invention.
In the figure: 1. the device comprises end pipes A, 2, a support plate, 3, corrugated pipes A, 4, hinge plate guide plates, 5, working end intermediate pipes, 6, a flow guide pipe, 7, a three-way assembly, 71, bent pipes A, 72, bent pipes B, 73, bent pipes C, 8, inner guide pipes, 9, balance end intermediate pipes, 10, end pipes B, 11, sealing plates, 12, main hinge plates A, 13, auxiliary hinge plates, 14, pin shafts, 15, main hinge plates B, 16, pressure guide pipes, 17, corrugated pipes B, 18, corrugated pipes C, 19, corrugated pipes D, 20 and reinforcing lantern rings.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
Referring to fig. 1-3, the present invention provides a technical solution: a high-flexibility anti-loss pressure-stabilizing balanced expansion joint for connecting sensitive equipment pipe orifices comprises a working end component A, a three-way component 7 and a balanced end component B, wherein one end of the working end component A is connected with one end of the three-way component, the other end of the three-way component is connected with one end of the balanced end component B, the working end component A, the three-way component 7 and the balanced end component B are assembled and welded into an expansion joint main body, the length of the whole expansion joint is fixed by arranging two rigid body structures on the side surface, when the expansion joint works, the working end component of the expansion joint generates corresponding thermal displacement due to the thermal expansion of the pipeline, the corrugated pipe generates internal pressure thrust due to the internal pressure, meanwhile, the expansion joint balance end component keeps the length of the expansion joint in the axial direction unchanged through the generated deformation opposite to the axial direction of the working end, so that the whole expansion joint is in a stable state with balanced stress.
The working end assembly comprises an end pipe 1, a corrugated pipe A3, a working end middle pipe 5 and a corrugated pipe B17 which are welded in sequence, and a supporting plate 2 is welded on the outer wall of the end pipe 1.
The three-way component 7 comprises an elbow B72 and an elbow C73 which are communicated with a working end component A and a balance end component B, the ends of the elbow B72 and the elbow C73 are obliquely communicated with an elbow A71, the inner included angle degree of the elbow A71, the elbow B72 and the elbow C73 is 30 degrees, system vibration and noise caused by flow resistance and medium turbulence generated when a high-flow-rate medium passes through a three-way are reduced, the straight pipe B72 is communicated with the straight pipe C73 through a pressure guide pipe 16, the pressure of a working end inner cavity on the left side of an expansion joint and the pressure of a balance end inner cavity on the right side of the expansion joint are required to be kept consistent, 1-2 holes are usually formed in the three-way, the two ends can be communicated, the pressure is kept consistent, but because the medium flow rate in a pipeline of a gas turbine anti-surge and air-release system is overhigh, the high-flow-rate medium can greatly impact the, cause the excessive vibration of balanced end or directly damage, for avoiding this kind of condition, tee bend both sides have now increased connecting pipe 16, make work end inner chamber and balanced end inner chamber intercommunication through the connecting pipe 16 of side direction, reach both ends pressure balance's effect, guarantee the normal use of expansion joint.
The balance end assembly comprises a balance end middle pipe 9, corrugated pipes C18 and a corrugated pipe D19 are welded on two sides of the balance end middle pipe 9 respectively, a corrugated pipe C18 is welded with the three-way component 7, an end pipe 10 is welded on the outer side of the corrugated pipe D19, a sealing plate 11 is welded on the other end of the end pipe 10, an inner guide pipe 8 is in clearance fit in the balance end middle pipe 9, two ends of the inner guide pipe 8 penetrate through the corrugated pipes C18 and the corrugated pipes D19 and extend into the three-way component 7 and the end pipe 10 and are welded and fixed with the three-way component 7, the inner guide pipe 8 has a guide effect on the balance end portion of the expansion joint, under the combined action of the hinge plate and the hinge plate guide plate, the radial movement space of the balance end middle pipe is reduced, and.
The expansion joint further comprises a hinge plate assembly, the hinge plate assembly comprises a main hinge plate A12 welded with the support plate 2 and a main hinge plate B15 welded with the closing plate 11, the main hinge plate A12 is connected with the main hinge plate B15 through an auxiliary hinge plate 13, the auxiliary hinge plate 13 is respectively connected with the main hinge plate A12 and the main hinge plate B15 through a pin 14, and the hinge plate assembly can improve the stability of the expansion joint during working and reduce the vibration of the expansion joint.
The hinge plate guide plates 4 are welded on two side walls of the working end middle pipe 5, the tee joint component 7 and the balance end middle pipe 9, the main hinge plate A12, the main hinge plate B15 and the auxiliary hinge plate 13 penetrate through the hinge plate guide plates 4 and are in clearance fit with the hinge plate guide plates, and under the combined action of the main hinge plate A12, the main hinge plate B15, the auxiliary hinge plate 13 and the guide plates 4, the radial movement space of the working end middle pipe 5 and the balance end middle pipe 9 is reduced, and the instability resistance of the expansion joint is improved.
The honeycomb duct 6 is in clearance fit in the corrugated pipe A3 and the corrugated pipe B17, the length of the honeycomb duct 6 is larger than that of the corrugated pipe A3 or the corrugated pipe B17, a certain clearance is reserved between the outer wall of the honeycomb duct 6 and the inner wall of the expansion joint pipe body, and the honeycomb duct 6 can play a role in guiding flow and reduce the impact of high-flow-rate media on the corrugated pipe.
The reinforcing lantern rings 20 are welded on the outer sides of straight side sections of the corrugated pipes A3, B17, C18 and D19, and the reinforcing lantern rings 20 can reduce the influence of vibration on the circumferential weld of the corrugated pipes, so that the service life of the expansion joint is prolonged.
Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.

Claims (10)

1. The utility model provides a sensitive equipment mouth of pipe is connected with balanced type expansion joint of high flexibility pressure loss prevention steady voltage which characterized in that: including work end subassembly A, tee bend subassembly (7) and balanced end subassembly B, the one end of tee bend subassembly is connected to work end subassembly A's one end, and balanced end subassembly B's one end is connected to tee bend subassembly's the other end, tee bend subassembly (7) include return bend B (72) and return bend C (73) that are linked together with work end subassembly A and balanced end subassembly B, the tip slope intercommunication of return bend B (72) and return bend C (73) has return bend A (71).
2. The high-flexibility pressure loss prevention and stabilization balanced expansion joint for the connection of the sensitive equipment pipe orifice as claimed in claim 1, wherein the pressure loss prevention and stabilization balanced expansion joint comprises: the centers of the elbow pipe B (72) and the elbow pipe C (73) are on the same axis, and the degree of an inner included angle between the elbow pipe A (71) and the elbow pipes B (72) and C (73) is 30 degrees.
3. The high-flexibility pressure loss prevention and stabilization balanced expansion joint for the connection of the sensitive equipment pipe orifice as claimed in claim 1, wherein the pressure loss prevention and stabilization balanced expansion joint comprises: the working end assembly comprises an end pipe A (1), a corrugated pipe A (3), a working end middle pipe (5) and a corrugated pipe B (17) which are welded in sequence, and a supporting plate (2) is welded on the outer wall of the end pipe A (1); balanced end subassembly includes balanced end intermediate tube (9), bellows C (18) and bellows D (19) have been welded respectively to balanced end intermediate tube (9) both sides, bellows C (18) weld mutually with tee bend subassembly (7), the welding of bellows D (19) outside has end pipe B (10), the welding of the other end of end pipe B (10) has shrouding (11), balanced end intermediate tube (9) interior clearance fit has interior stand pipe (8), the both ends of interior stand pipe (8) are run through in bellows C (18) and bellows D (19) and extend to tee bend (7) and end pipe B (10) to with tee bend (7) welded fastening.
4. The high-flexibility pressure loss prevention and stabilization balanced expansion joint for the connection of the sensitive equipment pipe orifice as claimed in claim 1, wherein the pressure loss prevention and stabilization balanced expansion joint comprises: the hinge plate assembly comprises a main hinge plate A (12) welded with the support plate (2) and a main hinge plate B (15) welded with the closing plate (11), and the main hinge plate A (12) is connected with the main hinge plate B (15) through an auxiliary hinge plate (13); and the auxiliary hinge plate (13) is respectively connected with the main hinge plate A (12) and the main hinge plate B (15) through a pin shaft (14).
5. The high-flexibility pressure loss prevention and stabilization balanced expansion joint for the connection of the sensitive equipment pipe orifice as claimed in claim 1, wherein the pressure loss prevention and stabilization balanced expansion joint comprises: hinge plate guide plates (4) are welded to the outer walls of the working end middle pipe (5), the tee joint component (7) and the balance end middle pipe (9), and the main hinge plate A (12), the main hinge plate B (15) and the auxiliary hinge plate (13) penetrate through the hinge plate guide plates (4) and are in clearance fit with the hinge plate guide plates.
6. The high-flexibility pressure loss prevention and stabilization balanced expansion joint for the connection of the sensitive equipment pipe orifice as claimed in claim 3, wherein: and the corrugated pipes A (3) and B (17) are internally provided with guide pipes (6) in clearance fit.
7. The high-flexibility pressure loss prevention and stabilization balanced expansion joint for the connection of the sensitive equipment pipe orifice as claimed in claim 6, wherein the pressure loss prevention and stabilization balanced expansion joint comprises: the length of the flow guide pipe (6) is larger than that of the corrugated pipe A (3) or the corrugated pipe B (17).
8. The high-flexibility pressure loss prevention and stabilization balanced expansion joint for the connection of the sensitive equipment pipe orifice as claimed in claim 4, wherein: the main hinge plate B (15) is directly welded with the closing plate (11).
9. The high-flexibility pressure loss prevention and stabilization balanced expansion joint for the connection of the sensitive equipment pipe orifice as claimed in claim 2, wherein: the outer walls of the elbow pipe B (72) and the elbow pipe C (73) are respectively welded with a pressure guide pipe (16), one end of the pressure guide pipe (16) is welded with the elbow pipe B (72), the other end of the pressure guide pipe is welded with the elbow pipe C (73), and the inner cavities of the elbow pipe B (72) and the elbow pipe C (73) are communicated through the pressure guide pipe (16).
10. The high-flexibility pressure loss prevention and stabilization balanced expansion joint for the connection of the sensitive equipment pipe orifice as claimed in claim 3, wherein: and reinforcing lantern rings (20) are welded on the outer sides of straight side sections of the corrugated pipe A (3), the corrugated pipe B (17), the corrugated pipe C (18) and the corrugated pipe D (19).
CN201911142438.2A 2019-11-20 2019-11-20 High-flexibility anti-loss pressure-stabilizing balanced expansion joint for connecting sensitive equipment pipe orifice Pending CN110762310A (en)

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CN201911142438.2A CN110762310A (en) 2019-11-20 2019-11-20 High-flexibility anti-loss pressure-stabilizing balanced expansion joint for connecting sensitive equipment pipe orifice

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Cited By (1)

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CN111594321A (en) * 2020-06-01 2020-08-28 杭州汽轮机股份有限公司 Anti-surge and anti-surge flow adjusting system and anti-surge flow adjusting method for gas turbine

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CN2299867Y (en) * 1997-09-09 1998-12-09 中国石油化工总公司 Curved tube pressure-equalizing expansion joint for catalytic cracking apparatus
CN101566260A (en) * 2008-04-25 2009-10-28 江苏振华密封工业有限公司 Y-shaped tee joint
CN201513665U (en) * 2009-07-29 2010-06-23 洛阳双瑞特种装备有限公司 Pressure-balancing type expansion joint with novel structure for bent pipe
CN203297836U (en) * 2013-06-09 2013-11-20 秦皇岛北方管业有限公司 Balanced type expansion joint with compact structure
CN104344145A (en) * 2013-07-25 2015-02-11 江苏奥普特机械有限公司 Elbow pressure balancing expansion joint
CN204358326U (en) * 2014-12-29 2015-05-27 北京航天凌云波纹管有限公司 The balanced compensated device of a kind of flat sided straight pipe pressure
CN204879239U (en) * 2015-07-21 2015-12-16 洛阳双瑞特种装备有限公司 Branching is displacement compensation ripple tube swelling festival for pipeline
CN205842082U (en) * 2016-07-22 2016-12-28 洛阳双瑞特种装备有限公司 A kind of bend pipe pressure balance type expansion joint of band pressure guiding pipe
CN107514518A (en) * 2017-09-30 2017-12-26 洛阳双瑞特种装备有限公司 A kind of novel composite water hinge type expansion joint for big orifice compensation of pipeline
CN211398924U (en) * 2019-11-20 2020-09-01 沈阳晨光弗泰波纹管有限公司 High-flexibility anti-loss pressure-stabilizing balanced expansion joint for connecting sensitive equipment pipe orifices

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CN111594321A (en) * 2020-06-01 2020-08-28 杭州汽轮机股份有限公司 Anti-surge and anti-surge flow adjusting system and anti-surge flow adjusting method for gas turbine

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