CN106641589B - A kind of micro compensation end flanges - Google Patents
A kind of micro compensation end flanges Download PDFInfo
- Publication number
- CN106641589B CN106641589B CN201611176460.5A CN201611176460A CN106641589B CN 106641589 B CN106641589 B CN 106641589B CN 201611176460 A CN201611176460 A CN 201611176460A CN 106641589 B CN106641589 B CN 106641589B
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- Prior art keywords
- anchor ring
- arcwall face
- vacuum tube
- tube
- vacuum
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Classifications
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16L—PIPES; JOINTS OR FITTINGS FOR PIPES; SUPPORTS FOR PIPES, CABLES OR PROTECTIVE TUBING; MEANS FOR THERMAL INSULATION IN GENERAL
- F16L59/00—Thermal insulation in general
- F16L59/06—Arrangements using an air layer or vacuum
- F16L59/065—Arrangements using an air layer or vacuum using vacuum
Abstract
The invention discloses a kind of micro compensation end flanges.Including the first anchor ring being connect with vacuum tube outer wall of inner tube, first anchor ring is connect after passing through the first arcwall face rounding off with annulus joint face, it further include the second anchor ring being connect with vacuum tube outer tube outer wall, second anchor ring is connect after passing through the second arcwall face rounding off with annulus joint face, and sealing vacuum chamber is formed between the vacuum tube outer wall of inner tube, vacuum tube outer tube, the first anchor ring, the first arcwall face, annulus joint face, the second arcwall face and the second anchor ring.Flange arrangement setting is reasonable, effective sealing thermal insulation is carried out to vacuum tube inner and outer pipes and its structure itself has the function of certain stress compensation in conjunction with vacuum tube, high vacuum multiple layer heat insulation can effectively be met and carry out cold insulation, to effectively improve the maximization of energy medium use value cold damage amount control to bottom line.
Description
Technical field
The present invention relates to connector field, it is tightly connected more particularly to one kind for vacuum tube and there is certain compensation to make
Flange arrangement.
Background technique
In deep cooling field, for flammable explosive gas, high-purity gas, cold source gas etc., in order to avoid loss and right
Environment causes damages, and stores and conveys through the mode frequently with speed sensorless vector control.High vacuum multiple layer heat insulation low-temperature liquid pipe is (following
Abbreviation high vacuum pipe) by feat of its brilliant heat-insulating property, it is widely applied in low temperature storing and transporting field, is related to machine
All conglomeraties such as tool, petrochemical industry, metallurgy, biology, medical treatment, aerospace.Country's high vacuum multiple layer heat insulation technological development and work at present
Skill research is in ascent stage, but most of high vacuum pipe jointing leakage heat is obvious, and needs secondary traditional cold insulation.And
The heat-insulating property for the high vacuum multiple layer heat insulation that foreign countries use is relatively good but at high price, and jointing also needs to carry out
Secondary cold insulation, cold insulation structure are complicated, and it is low to recycle rate, and demolition and maintenance cause largely to waste and pollution.There is APCI(empty in the world
Gasification chemical product Co., Ltd), Chart(Chart Co.), Linde AG(Lin De industrial gases companies) etc. companies can produce elder generation
Into high vacuum multiple layer heat insulation cryogenic liquid warehousing and transportation facilities.Domestic enterprise designs and develops indifferent, production technology backwardness mostly
With the outmoded backwardness of production equipment, cause product that technical requirements, unstable quality are not achieved, performance lags far behind famous in the world
The product of manufacturer's production.The National Development and Reform Commission clearly proposes and " improves in 2012 editions " gas utilization policies "
Specific gravity of the natural gas in non-renewable energy consumption structure ", the production domesticization of LNG technical equipment is to guarantee energy security, adjustment energy knot
Structure, propulsion energy-saving emission reduction are all significant, while with the reinforcement of people's environmental consciousness and high vacuum multiple layer heat insulation low temperature
The promotion of liquid warehousing and transportation facilities comprehensive benefit, the technology will be increasingly wider in China's application range.
The problems such as at home and abroad cold insulation technology is able in the case where being promoted steadily, and shortage of resources, utilization rate be low, environmental degradation
Also more obvious, the wasting of resources is effectively reduced, energy utilization rate is improved, traditional cold insulation bring environmental pollution is avoided to become deep cooling
The main purpose of industry technology exploitation and direction.
Summary of the invention
Goal of the invention of the invention is: in view of the above problems, providing a kind of micro compensation end flanges, the method
Blue structure setting is reasonable, carries out effective sealing thermal insulation to vacuum tube inner and outer pipes and its structure itself has centainly in conjunction with vacuum tube
Stress compensation function, can effectively meet high vacuum multiple layer heat insulation carry out cold insulation, thus cold damage amount control to bottom line, have
Effect improves energy medium use value and maximizes.
The technical solution adopted by the invention is as follows:
A kind of micro compensation end flanges, including the first anchor ring being connect with vacuum tube outer wall of inner tube, the first anchor ring
It further include the second annulus being connect with vacuum tube outer tube outer wall by being connect after the first arcwall face rounding off with annulus joint face
Face, the second anchor ring are connect after passing through the second arcwall face rounding off with annulus joint face, the vacuum tube outer wall of inner tube, vacuum
It is true that sealing is formed between pipe outer tube, the first anchor ring, the first arcwall face, annulus joint face, the second arcwall face and the second anchor ring
Cavity.
In further technical solution, first anchor ring is connect with vacuum tube outer wall of inner tube, and the first arcwall face and
The connecting portion of first anchor ring towards the first arcwall face direction extended and forms the first angle between vacuum tube outer wall of inner tube,
Direction and vacuum tube outer tube outer wall of the connecting portion of second arcwall face and the second anchor ring towards the extension of the second arcwall face
Between form the second angle.
In further technical solution, first angle and the second angle is alterable and its variation tendency is opposite.
In further technical solution, the thickness of at least a part of annulus section is less than the first circle on first arcwall face
The thickness of anchor ring.
In further technical solution, the thickness of at least a part of annulus section connects less than annulus on first arcwall face
The thickness of junction.
In further technical solution, the thickness of at least a part of annulus section is less than the second circle on second arcwall face
The thickness of anchor ring.
In further technical solution, the thickness of at least a part of annulus section connects less than annulus on second arcwall face
The thickness of junction.
In further technical solution, the first reinforcement is provided on the outer wall of first anchor ring far from vacuum tube inner tube
Ring is provided with the second reinforcing ring on the outer wall of second anchor ring far from vacuum tube outer tube.
In further technical solution, first reinforcing ring is set as the first arc mistake close to the position of the first arcwall face
Face is crossed, second reinforcing ring is set as the second arc transiting surface close to the position of the second arcwall face.
In further technical solution, it is provided with insulation support construction between the vacuum tube inner tube and vacuum tube outer tube,
For adjusting the relative position between support vacuum tube inner tube and vacuum tube outer tube.
In conclusion by adopting the above-described technical solution, the beneficial effects of the present invention are:
The present invention provides connection closing and compensation for the vacuum insulation structure of interlayer cavity, and vacuum insulation structure outer housing is also
For the structure type with certain compensation ability.This structure can realize the pipeline section of vacuum cold insulation pipe and the knot of integrated pipe group system
Structure compensation function reduces deep cooling industry transmission & distribution equipment/pipeline secondary stress, cancels weakness caused by compression original part collocation structure
Link, lifting system product safety performance.And meets high vacuum multiple layer heat insulation and carry out cold insulation, thus the control of cold damage amount to most
Lower bound degree effectively improves the maximization of energy medium use value.
Detailed description of the invention
Fig. 1 is the catenation principle schematic diagram that the present invention is applied on vacuum tube；
Fig. 2 is the enlarged diagram i.e. schematic structural view of the invention of part A in Fig. 1；
Fig. 3 is the enlarged diagram of C portion in Fig. 2；
Fig. 4 is the enlarged diagram of part B in Fig. 2；
Marked in the figure: 1 be vacuum tube inner tube 2 be vacuum tube outer tube 3 is the first anchor ring
4 be the first arcwall face 5 be annulus joint face 6 be the second anchor ring
7 be the second arcwall face 8 be the first angle 9 be the second angle
10 be the first reinforcing ring 11 be the second reinforcing ring
12 be the first arc transiting surface 13 be the second arc transiting surface
14 be insulation support construction.
Specific embodiment
With reference to the accompanying drawing, the present invention is described in detail.
In order to make the objectives, technical solutions, and advantages of the present invention clearer, with reference to the accompanying drawings and embodiments, right
The present invention is further elaborated.It should be appreciated that the specific embodiments described herein are merely illustrative of the present invention, and
It is not used in the restriction present invention.
As Figure 1-Figure 4, micro compensation end flanges of the invention, including connect with vacuum tube outer wall of inner tube first
Anchor ring, the first anchor ring are connect after passing through the first arcwall face rounding off with annulus joint face, further include and vacuum tube outer tube
Second anchor ring of outer wall connection, the second anchor ring is connect after passing through the second arcwall face rounding off with annulus joint face, described
Vacuum tube outer wall of inner tube, vacuum tube outer tube, the first anchor ring, the first arcwall face, annulus joint face, the second arcwall face and the second circle
Sealing vacuum chamber is formed between anchor ring.The structure connect and seals with vacuum tube inner and outer tubes using anchor ring structure, passes through
The setting of two arcwall faces and joint face makes its overall structure have certain stress buffer ability, is being pressurized or secondary is answering
Play the role of buffer protection to vacuum tube when power, overcome weak link therein, and makes to remain inside it and want
The index asked.
In further technical solution, in order to make flange between vacuum tube inner and outer pipes when stress with certain
Structural deformation compensation function, first anchor ring is connect by we with vacuum tube outer wall of inner tube, and the first arcwall face and first
The connecting portion of anchor ring towards the first arcwall face direction extended and forms the first angle between vacuum tube outer wall of inner tube, described
The connecting portion of second arcwall face and the second anchor ring is towards between the second arcwall face direction extended and vacuum tube outer tube outer wall
Form the second angle.Certainly, when stress changes, two angles can be changed with the variation of each position stress,
First angle and the second variable angle trend are on the contrary, enable the flange arrangement to react in time in stress.In addition, we are into one
Step is designed the size of two arcwall faces of flange, designs the thickness of at least a part of annulus section on first arcwall face
Less than the thickness of the first anchor ring；The thickness of at least a part of annulus section is less than annulus joint face on first arcwall face
Thickness；Thickness of the thickness of at least a part of annulus section less than the second anchor ring on second arcwall face；Second arc
The thickness of at least a part of annulus section is less than the thickness of annulus joint face on shape face.In order to keep the connection of flange and vacuum tube
And sealing effect, we, which design, is arranged the first reinforcing ring on the outer wall of first anchor ring far from vacuum tube inner tube, and described
The second reinforcing ring is arranged on the outer wall far from vacuum tube outer tube in two anchor rings.In order to make in deformation process two arcwall faces and two
Extruding will not be generated between reinforcing ring influences deformation process, we set first reinforcing ring close to the position of the first arcwall face
It is set to the first arc transiting surface, second reinforcing ring is set as the second arc transiting surface close to the position of the second arcwall face, makes
The adhered shape of the shape of two transition faces and two arcwall faces, so that the deformation compensation process of flange is smooth and easy to control.Institute
It states and is provided with insulation support construction between vacuum tube inner tube and vacuum tube outer tube, for adjusting support vacuum tube inner tube and vacuum tube
Relative position between outer tube.
The foregoing is merely illustrative of the preferred embodiments of the present invention, is not intended to limit the invention, all in essence of the invention
Made any modifications, equivalent replacements, and improvements etc., should all be included in the protection scope of the present invention within mind and principle.
Claims (4)
1. a kind of micro compensation end flanges, it is characterised in that: including the first anchor ring being connect with vacuum tube inner tube (1) outer wall
(3), the first anchor ring (3) is with annulus joint face (5) by connecting after the first arcwall face (4) rounding off, further includes and vacuum
Pipe outer tube (2) outer wall connection the second anchor ring (6), the second anchor ring (6) pass through the second arcwall face (7) rounding off after with circle
Ring joint face (5) connection, vacuum tube inner tube (1) outer wall, vacuum tube outer tube (2), the first anchor ring (3), the first arcwall face
(4), sealing vacuum chamber is formed between annulus joint face (5), the second arcwall face (7) and the second anchor ring (6)；
Thickness of the thickness of at least a part of annulus section less than the first anchor ring (3) on first arcwall face (4)；
The thickness of at least a part of annulus section is less than the thickness of annulus joint face (5) on first arcwall face (4)；
Thickness of the thickness of at least a part of annulus section less than the second anchor ring (6) on second arcwall face (7)；
The thickness of at least a part of annulus section is less than the thickness of annulus joint face (5) on second arcwall face (7)；
For first anchor ring (3) far from being provided with the first reinforcing ring (10) on the outer wall of vacuum tube inner tube (1), described second is round
The second reinforcing ring (11) are provided on the outer wall of anchor ring (6) separate vacuum tube outer tube (2)；
First reinforcing ring (10) is set as the first arc transiting surface (12) close to the position of the first arcwall face (4), and described the
Two reinforcing rings (11) are set as the second arc transiting surface (13) close to the position of the second arcwall face (7).
2. a kind of micro compensation end flanges according to claim 1, it is characterised in that: first anchor ring (3) with
The connection of vacuum tube inner tube (1) outer wall, and the first arcwall face (4) and the connecting portion of the first anchor ring (3) the first arcwall face of direction
(4) it is formed the first angle (8) between the direction extended and vacuum tube inner tube (1) outer wall, second arcwall face (7) and the second circle
The connecting portion of anchor ring (6) is pressed from both sides towards formation second between the second arcwall face (7) direction extended and vacuum tube outer tube (2) outer wall
Angle (9).
3. a kind of micro compensation end flanges according to claim 2, it is characterised in that: first angle (8) and
Two angles (9) are alterable and its variation tendency is opposite.
4. a kind of micro compensation end flanges according to claim 1, it is characterised in that: the vacuum tube inner tube (1) with
Insulation support construction (14) is provided between vacuum tube outer tube (2), for adjusting support vacuum tube inner tube (1) and vacuum tube outer tube
(2) relative position between.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201611176460.5A CN106641589B (en) | 2016-12-19 | 2016-12-19 | A kind of micro compensation end flanges |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201611176460.5A CN106641589B (en) | 2016-12-19 | 2016-12-19 | A kind of micro compensation end flanges |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN106641589A CN106641589A (en) | 2017-05-10 |
| CN106641589B true CN106641589B (en) | 2019-02-12 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201611176460.5A Active CN106641589B (en) | 2016-12-19 | 2016-12-19 | A kind of micro compensation end flanges |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN106641589B (en) |
Families Citing this family (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113074493B (en) * | 2020-01-06 | 2022-08-23 | 青岛海尔电冰箱有限公司 | Vacuum tube and refrigerator |
| CN111975238A (en) * | 2020-08-24 | 2020-11-24 | 成都众远管业有限公司 | Compensator ring pressure welding method |
Family Cites Families (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE2631566A1 (en) * | 1976-07-14 | 1978-01-19 | Interatom | COMPENSATOR ON PIPING |
| US6257282B1 (en) * | 1998-10-28 | 2001-07-10 | Mve, Inc. | Vacuum insulated pipe |
| CN201934843U (en) * | 2010-12-29 | 2011-08-17 | 北京宇航系统工程研究所 | Vacuum compensator for low-temperature conveying pipeline |
| CN104482357A (en) * | 2014-12-30 | 2015-04-01 | 特瑞斯能源装备股份有限公司 | Vacuum heat insulation tube |
| CN205001767U (en) * | 2015-08-24 | 2016-01-27 | 湖北守能真空科技有限公司 | Integration vacuum transmission pipe |
| CN206361333U (en) * | 2016-12-19 | 2017-07-28 | 成都科瑞尔低温设备有限公司 | A kind of micro compensation end flanges |
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2016
- 2016-12-19 CN CN201611176460.5A patent/CN106641589B/en active Active
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| CN106641589A (en) | 2017-05-10 |
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