CN109827458B - Coil breakage preventing device for crude oil heater - Google Patents

Coil breakage preventing device for crude oil heater Download PDF

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Publication number
CN109827458B
CN109827458B CN201910239387.9A CN201910239387A CN109827458B CN 109827458 B CN109827458 B CN 109827458B CN 201910239387 A CN201910239387 A CN 201910239387A CN 109827458 B CN109827458 B CN 109827458B
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coil
crude oil
oil heater
coil pipe
pushing rod
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CN201910239387.9A
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CN109827458A (en
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聂永红
刘煜
李国锋
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Changsha University
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Changsha University
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Abstract

The invention discloses a coil breakage-proof device for an original oil heater, which comprises two collecting pipes which are arranged at intervals and a plurality of groups of coils which are arranged at intervals along the two collecting pipes, wherein two ends of each group of coils are respectively communicated with the collecting pipes at the corresponding ends, a vibration reduction connecting device for applying a pre-thrust to coils at two sides is arranged between two adjacent groups of coils, and the vibration reduction connecting device comprises a pre-push rod and vibration reduction tables connected at two ends of the pre-push rod, and the pre-push rod drives the two vibration reduction tables to apply the pre-thrust to the coils at the corresponding sides and generate connection with the coils. The fracture prevention device has the advantages of simple and reliable structure, convenient operation, wide application range, capability of improving the overall rigidity and energy dissipation and vibration reduction.

Description

Coil breakage preventing device for crude oil heater
Technical Field
The invention mainly relates to a coil breakage-proof technology of an original oil heater, in particular to a coil breakage-proof device for an original oil heater.
Background
In the petroleum exploitation process of China, as most crude oil to be exploited is crude oil which is easy to coagulate and high in viscosity, a crude oil heater is usually required to be installed at the wellhead of an oil well, and the problems of poor fluidity and difficult transportation of the crude oil are solved by heating the crude oil. Due to the alternating force of crude oil flow, the heater coil and the collector tube vibrate, alternating stress is formed inside the pipeline structure, fatigue damage is finally caused, and some associated cracks gradually expand under the action of irregular dynamic load and finally fracture is caused. At present, vibration fatigue fracture of a heater coil is a common form of failure of a crude oil heater, the service life of the heater coil is about two years, and a new heater is often broken at the root of the coil after being used for about two years.
Disclosure of Invention
The invention aims to solve the technical problem of overcoming the defects of the prior art and providing the coil breakage-proof device for the crude oil heater, which has the advantages of simple and reliable structure, convenient operation, wide application range, capability of improving the integral rigidity and energy dissipation and vibration reduction.
In order to solve the technical problems, the invention adopts the following technical scheme:
a coil pipe fracture prevention device for crude oil heater, crude oil heater includes two interval arrangement's collecting main and multiunit along two collecting main interval arrangement's coil pipe, and the both ends of each group coil pipe communicate with the collecting main of corresponding end respectively, are equipped with the damping connecting device that is used for applying the thrust in advance to both sides coil pipe between two adjacent groups coil pipes, damping connecting device includes the pre-push rod and connects the damping platform at pre-push rod both ends, and the pre-push rod drives two damping platforms and applys the thrust in advance to the coil pipe of corresponding side and produce with the coil pipe and be connected.
As a further improvement of the above technical scheme:
the vibration reduction table comprises a clamp and vibration reduction rubber pads arranged in the clamp openings of the clamp, and the pre-pushing rods drive the two clamp to drive the vibration reduction rubber pads to apply pre-pushing force to coils on corresponding sides and to be connected with the coils in an elastic contact mode.
One side of the damping rubber pad, which is close to the coil pipe, is provided with an arc wrapping opening which is matched with the coil pipe.
The pre-pushing rod is set to be a double-head screw rod, threads at two ends of the pre-pushing rod are opposite in rotation direction, and a threaded hole matched with threads at the corresponding end of the pre-pushing rod is formed in the clamp.
The vibration reduction connecting device further comprises an operating rod, an operating hole is formed between the thread sections at the two ends of the pre-pushing rod, and the operating rod penetrates through the operating hole.
The thickness of the clamp is b, and the effective length of threads at two ends of the pre-pushing rod is c, wherein b is less than or equal to c.
The total length of the pre-pushing rod is l, and the distance between two adjacent groups of coils is d, l > d-b.
The vibration reduction table is positioned at the side part of the arc top of the coil pipe.
And an oblique support beam is welded at the communication position of the collecting pipe and the coil pipe.
Compared with the prior art, the invention has the advantages that:
when the coil breakage-proof device for the crude oil heater is used, the vibration reduction table is connected with the pre-pushing rod, then the pre-pushing rod and the vibration reduction tables at the two ends are installed between two adjacent groups of coils, and the thrust of the pre-pushing rod is utilized to drive the vibration reduction tables to apply pre-thrust to the coils at the corresponding sides towards the two ends and to be connected with the coils. Compared with the traditional structure, the invention reduces the vibration amplitude of the coil pipe and avoids the root fracture failure of the coil pipe through the pre-pushing force exerted by the pre-pushing rod and the vibration reduction table; the pre-pushing rod and the vibration reduction table can be connected together between each group of coils to form an effective integral structure, so that the integral rigidity of the coils can be enhanced, and part of vibration energy can be consumed by the vibration reduction table, so that the vibration amplitude of the coils is reduced, and the problem of fracture and failure of the coils is effectively solved; the whole structure is simple and reliable, is not only suitable for the crude oil heater which is newly designed and manufactured, but also can be applied to the improvement of the existing crude oil heater, and has the characteristics of simple operation and wide application range.
Drawings
Fig. 1 is a schematic view showing the structure of the coil breakage preventing device for a crude oil heater according to the present invention in a use state.
Fig. 2 is a schematic structural diagram of a crude oil heater in the environment in which the present invention is used.
Fig. 3 is a schematic diagram of a front view of a coil breakage preventing device for a crude oil heater according to the present invention (in a state of not being pre-pushed).
Fig. 4 is a schematic diagram showing a front view of a coil breakage preventing device for a crude oil heater according to the present invention (pre-push connection state).
Fig. 5 is a schematic view of the structure of the pre-push rod in the coil anti-breaking device for the crude oil heater according to the present invention.
FIG. 6 is a schematic view showing a connection structure of an oblique support beam in a coil pipe fracture preventing apparatus for a crude oil heater according to the present invention.
The reference numerals in the drawings denote:
1. collecting pipes; 2. a coiled pipe; 3. a vibration damping connection device; 31. pre-pushing rod; 311. an operation hole; 32. a vibration reduction table; 321. a clamp; 322. vibration damping rubber pads; 3221. an arc-shaped wrapping opening; 33. an operation lever; 4. and (5) inclining the supporting beam.
Detailed Description
The invention will be described in further detail with reference to the drawings and the specific examples.
Fig. 1 to 6 show an embodiment of a coil breakage preventing device for a crude oil heater according to the present invention, the crude oil heater includes two headers 1 arranged at intervals and a plurality of groups of coils 2 arranged at intervals along the two headers 1, both ends of each group of coils 2 are respectively communicated with the headers 1 of the corresponding ends, vibration damping connection devices 3 for applying a pre-thrust to the coils 2 of both sides are provided between the coils 2 of the adjacent groups, the vibration damping connection devices 3 include a pre-push rod 31 and vibration damping tables 32 connected to both ends of the pre-push rod 31, and the pre-push rod 31 drives the two vibration damping tables 32 to apply a pre-thrust to the coils 2 of the corresponding sides and generate connection with the coils 2. When the vibration reduction device is used, the vibration reduction table 32 is connected with the pre-pushing rod 31, then the pre-pushing rod 31 and the vibration reduction tables 32 at the two ends are installed between two adjacent groups of coils 2, and the thrust of the pre-pushing rod 31 drives the vibration reduction tables 32 to apply pre-thrust to the coils 2 at the corresponding sides towards the two ends and generate connection with the coils 2. Compared with the traditional structure, the invention reduces the vibration amplitude of the coil pipe 2 and avoids the root fracture failure of the coil pipe 2 through the pre-pushing force exerted by the pre-pushing rod 31 and the vibration reduction table 32; the pre-pushing rod 31 and the vibration reduction table 32 can enable all groups of coils 2 to be connected together to form an effective integral structure, so that the integral rigidity of the coils 2 can be enhanced, and part of vibration energy can be consumed through the vibration reduction table 32 to reduce the vibration amplitude of the coils 2, and the problem of fracture failure of the coils 2 is effectively solved; the whole structure is simple and reliable, is not only suitable for the crude oil heater which is newly designed and manufactured, but also can be applied to the improvement of the existing crude oil heater, and has the characteristics of simple operation and wide application range.
In this embodiment, the vibration-damping platform 32 includes a collar 321 and a vibration-damping rubber pad 322 disposed in a collar opening of the collar 321, and the pre-pushing rod 31 drives the two collars 321 to drive the vibration-damping rubber pad 322 to apply a pre-pushing force to the coil 2 on the corresponding side and to generate elastic contact connection with the coil 2. In this structure, the vibration-damping rubber pad 322 can consume part of vibration energy to reduce the vibration amplitude of the coil pipe 2, and the clamp 321 and the pre-pushing rod 31 connect each group of coil pipes 2 together to form an effective integral structure, so that the integral rigidity of the coil pipe 2 can be enhanced, namely, the problem of fracture and failure of the coil pipe 2 is integrally and effectively solved.
In this embodiment, an arc-shaped opening 3221 adapted to the coil pipe 2 is disposed on one side of the damping rubber pad 322 adjacent to the coil pipe 2. In this structure, arc package mouth 3221 can increase the area of contact of damping rubber pad 322 and coil pipe 2, has guaranteed the damping effect, has still improved joint strength.
In this embodiment, the pre-pushing rod 31 is a double-headed screw, the threads at two ends of the pre-pushing rod 31 are opposite in rotation direction, and the clamp 321 is provided with a threaded hole matched with the threads at the corresponding end of the pre-pushing rod 31. In this structure, the pre-push rod 31 is rotated clockwise or counterclockwise around the axis thereof by manual operation, so that the distance between the clamps 321 at both ends is continuously increased until the vibration-damping rubber pad 322 is connected with the coil pipe 2 at the corresponding side, thereby achieving vibration-damping connection effect.
In this embodiment, the vibration damping connection device 3 further includes an operation rod 33, an operation hole 311 is formed between the thread segments at the two ends of the pre-pushing rod 31, and the operation rod 33 is inserted into the operation hole 311. In this structure, the lever 33 is inserted into the operation hole 311 and rotated to increase the arm of force, thereby further providing convenience in installation.
In this embodiment, the thickness of the collar 321 is b, and the effective length of the threads at the two ends of the pre-push rod 31 is c, where b is less than or equal to c. The pre-push rods 31 have a total length of l, and the spacing between two adjacent sets of coils 2 is d, l > d-b. To ensure that the vibration damping connection device 3 can be installed correctly, the above-mentioned parameters should be met.
In this embodiment, the damping mount 32 is located on the side of the arc top of the coil 2. The side part arranged at the arc top of the coil pipe 2 can ensure the stress balance of the coil pipe 2, and in other embodiments, the side part can be symmetrically arranged at other positions of the coil pipe 2, so that the stress balance of the coil pipe 2 is ensured.
In this embodiment, an oblique support beam 4 is welded at the connection part between the header 1 and the coil pipe 2. In this structure, the welded diagonal support beam 4 is further used to effectively support the joint between the header 1 and the coil 2, thereby preventing the coil 2 from breaking at the root.
While the invention has been described in terms of preferred embodiments, it is not intended to be limiting. Many possible variations and modifications of the disclosed technology can be made by anyone skilled in the art, or equivalent embodiments with equivalent variations can be made, without departing from the scope of the invention. Therefore, any simple modification, equivalent variation and modification of the above embodiments according to the technical substance of the present invention shall fall within the scope of the technical solution of the present invention.

Claims (9)

1. A coil pipe fracture prevention device for crude oil heater, crude oil heater includes two interval arrangement's collecting main (1) and multiunit along two collecting main (1) interval arrangement's coil pipe (2), and the both ends of each coil pipe (2) communicate with collecting main (1) of corresponding end respectively, its characterized in that: be equipped with between two adjacent coil pipes (2) and be used for applying damping connecting device (3) of thrust to both sides coil pipe (2), damping connecting device (3) are including pre-pushing rod (31) and connect at damping platform (32) at pre-pushing rod (31) both ends, and pre-pushing rod (31) drive two damping platforms (32) to apply thrust and produce with coil pipe (2) to coil pipe (2) of corresponding side, damping platform (32) include clamp (321) and set up damping rubber pad (322) in the hoop mouth of clamp (321), pre-pushing rod (31) drive two clamp (321) drive damping rubber pad (322) to apply thrust and produce elastic contact with coil pipe (2) to coil pipe (2) of corresponding side.
2. The coil anti-breakage device for a crude oil heater according to claim 1, wherein: one side of the damping rubber pad (322) close to the coil pipe (2) is provided with an arc-shaped wrapping opening (3221) matched with the coil pipe (2).
3. The coil breakage preventing device for a crude oil heater according to claim 2, wherein: the pre-pushing rod (31) is arranged to be a double-ended screw rod, threads at two ends of the pre-pushing rod (31) are opposite in rotation direction, and a threaded hole matched with threads at the corresponding end of the pre-pushing rod (31) is formed in the clamp (321).
4. A coil breakage preventing device for a crude oil heater according to claim 3, wherein: the vibration reduction connecting device (3) further comprises an operating rod (33), an operating hole (311) is formed between the thread sections at the two ends of the pre-pushing rod (31), and the operating rod (33) is arranged in the operating hole (311) in a penetrating mode.
5. The coil anti-breakage device for a crude oil heater according to claim 4, wherein: the thickness of the clamp (321) is b, and the effective length of threads at the two ends of the pre-pushing rod (31) is c, wherein b is less than or equal to c.
6. The coil anti-breakage device for a crude oil heater according to claim 5, wherein: the total length of the pre-pushing rod (31) is l, and the distance between two adjacent groups of coils (2) is d, wherein l is larger than d-b.
7. The coil breakage preventing device for a crude oil heater according to any one of claims 1 to 6, wherein: the vibration reduction table (32) is positioned at the side part of the arc top of the coil pipe (2).
8. The coil breakage preventing device for a crude oil heater according to any one of claims 1 to 6, wherein: an oblique support beam (4) is welded at the communication position of the collecting pipe (1) and the coil pipe (2).
9. The coil anti-breakage device for a crude oil heater according to claim 7, wherein: an oblique support beam (4) is welded at the communication position of the collecting pipe (1) and the coil pipe (2).
CN201910239387.9A 2019-03-27 2019-03-27 Coil breakage preventing device for crude oil heater Active CN109827458B (en)

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CN201910239387.9A CN109827458B (en) 2019-03-27 2019-03-27 Coil breakage preventing device for crude oil heater

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Application Number Priority Date Filing Date Title
CN201910239387.9A CN109827458B (en) 2019-03-27 2019-03-27 Coil breakage preventing device for crude oil heater

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CN109827458B true CN109827458B (en) 2024-01-19

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Citations (16)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB1135434A (en) * 1965-01-21 1968-12-04 Sulzer Ag Improvements relating to heat exchangers
CN2257014Y (en) * 1996-05-08 1997-06-25 李林波 Multifunctional heat-impact-resisting antivibration radiator
JP2005156066A (en) * 2003-11-27 2005-06-16 Denso Corp Heat exchanger module
JP2005249376A (en) * 2004-02-03 2005-09-15 Showa Denko Kk Heat exchanger and integrated heat exchanger
JP2006170562A (en) * 2004-12-17 2006-06-29 Denso Corp Composite heat exchanger
JP2010127506A (en) * 2008-11-26 2010-06-10 Calsonic Kansei Corp Heat exchange device
CN103837036A (en) * 2013-12-03 2014-06-04 上海森松压力容器有限公司 Fixing supporting structure for coiler
CN205537248U (en) * 2016-04-26 2016-08-31 黑龙江省中能控制工程股份有限公司 Plate heat exchanger unit flexible coupling strutting arrangement
JP2016200372A (en) * 2015-04-14 2016-12-01 株式会社デンソー Heat exchanger
CN106403656A (en) * 2016-09-23 2017-02-15 长沙学院 Low-gas-oil-ratio raw oil heater and welding method for same
CN206487825U (en) * 2017-02-21 2017-09-12 武汉博航动力系统技术有限公司 A kind of heat exchanger assembly with shock mitigation system
CN107355988A (en) * 2017-08-25 2017-11-17 江苏广盛源科技发展有限公司 A kind of hotline heater
CN108050337A (en) * 2017-11-06 2018-05-18 成都飞机工业(集团)有限责任公司 For the alloyed aluminium variable chamber particles-impact damper of pipeline vibration damping
WO2019038524A1 (en) * 2017-08-21 2019-02-28 Bae Systems Plc Anti-vibration mount
CN209745084U (en) * 2019-03-27 2019-12-06 长沙学院 Coil pipe anti-breaking device for crude oil heater
CN210425640U (en) * 2019-08-02 2020-04-28 佛山日克耐热材料有限公司 Internal exhaust coil pipe capable of reducing vibration for refrigeration compressor

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* Cited by examiner, † Cited by third party
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GB2422004A (en) * 2005-01-07 2006-07-12 Hiflux Ltd Plate heat exchanger

Patent Citations (16)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB1135434A (en) * 1965-01-21 1968-12-04 Sulzer Ag Improvements relating to heat exchangers
CN2257014Y (en) * 1996-05-08 1997-06-25 李林波 Multifunctional heat-impact-resisting antivibration radiator
JP2005156066A (en) * 2003-11-27 2005-06-16 Denso Corp Heat exchanger module
JP2005249376A (en) * 2004-02-03 2005-09-15 Showa Denko Kk Heat exchanger and integrated heat exchanger
JP2006170562A (en) * 2004-12-17 2006-06-29 Denso Corp Composite heat exchanger
JP2010127506A (en) * 2008-11-26 2010-06-10 Calsonic Kansei Corp Heat exchange device
CN103837036A (en) * 2013-12-03 2014-06-04 上海森松压力容器有限公司 Fixing supporting structure for coiler
JP2016200372A (en) * 2015-04-14 2016-12-01 株式会社デンソー Heat exchanger
CN205537248U (en) * 2016-04-26 2016-08-31 黑龙江省中能控制工程股份有限公司 Plate heat exchanger unit flexible coupling strutting arrangement
CN106403656A (en) * 2016-09-23 2017-02-15 长沙学院 Low-gas-oil-ratio raw oil heater and welding method for same
CN206487825U (en) * 2017-02-21 2017-09-12 武汉博航动力系统技术有限公司 A kind of heat exchanger assembly with shock mitigation system
WO2019038524A1 (en) * 2017-08-21 2019-02-28 Bae Systems Plc Anti-vibration mount
CN107355988A (en) * 2017-08-25 2017-11-17 江苏广盛源科技发展有限公司 A kind of hotline heater
CN108050337A (en) * 2017-11-06 2018-05-18 成都飞机工业(集团)有限责任公司 For the alloyed aluminium variable chamber particles-impact damper of pipeline vibration damping
CN209745084U (en) * 2019-03-27 2019-12-06 长沙学院 Coil pipe anti-breaking device for crude oil heater
CN210425640U (en) * 2019-08-02 2020-04-28 佛山日克耐热材料有限公司 Internal exhaust coil pipe capable of reducing vibration for refrigeration compressor

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