CN106090514A - A kind of expansion joint possessing temperature detecting function - Google Patents
A kind of expansion joint possessing temperature detecting function Download PDFInfo
- Publication number
- CN106090514A CN106090514A CN201610709001.2A CN201610709001A CN106090514A CN 106090514 A CN106090514 A CN 106090514A CN 201610709001 A CN201610709001 A CN 201610709001A CN 106090514 A CN106090514 A CN 106090514A
- Authority
- CN
- China
- Prior art keywords
- plate
- expansion joint
- inner draft
- flow guiding
- ring flat
- 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
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Classifications
-
- 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
- F16L51/00—Expansion-compensation arrangements for pipe-lines
- F16L51/02—Expansion-compensation arrangements for pipe-lines making use of bellows or an expansible folded or corrugated tube
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01K—MEASURING TEMPERATURE; MEASURING QUANTITY OF HEAT; THERMALLY-SENSITIVE ELEMENTS NOT OTHERWISE PROVIDED FOR
- G01K1/00—Details of thermometers not specially adapted for particular types of thermometer
- G01K1/02—Means for indicating or recording specially adapted for thermometers
- G01K1/024—Means for indicating or recording specially adapted for thermometers for remote indication
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01K—MEASURING TEMPERATURE; MEASURING QUANTITY OF HEAT; THERMALLY-SENSITIVE ELEMENTS NOT OTHERWISE PROVIDED FOR
- G01K1/00—Details of thermometers not specially adapted for particular types of thermometer
- G01K1/14—Supports; Fastening devices; Arrangements for mounting thermometers in particular locations
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01K—MEASURING TEMPERATURE; MEASURING QUANTITY OF HEAT; THERMALLY-SENSITIVE ELEMENTS NOT OTHERWISE PROVIDED FOR
- G01K7/00—Measuring temperature based on the use of electric or magnetic elements directly sensitive to heat ; Power supply therefor, e.g. using thermoelectric elements
- G01K7/02—Measuring temperature based on the use of electric or magnetic elements directly sensitive to heat ; Power supply therefor, e.g. using thermoelectric elements using thermoelectric elements, e.g. thermocouples
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- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Engineering & Computer Science (AREA)
- General Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Thermal Insulation (AREA)
Abstract
The present invention relates to a kind of expansion joint possessing temperature detecting function, including corrugated tube, inlet tube assembly and outlet assembly, the two ends of described corrugated tube are connected with inlet tube assembly and outlet assembly respectively, are additionally provided with inner draft tube I, inner draft tube II, external flow guiding cylinder I, external flow guiding cylinder II, ring flat-plate I, ring flat-plate II, thermal insulation layer I, thermal insulation layer II and temperature measuring equipment；By arranging corrugated tube, thermal insulation layer and temperature measuring equipment, this expansion joint is made to possess temperature detection and warning function, and utilize thermocouple and wireless network transmission technology, work running temperature for expansion joint carries out real-time remote monitoring, higher than the operating temperature upper limit or less than operating temperature lower limit alarm, facilitate on-site maintenance and maintenance.
Description
Technical field
The present invention relates to bellows expansion joint technical applications, a kind of possess the swollen of temperature detecting function
Swollen joint.
Background technology
Along with the progress of China's industrial technology, the increase in demand of the series of high temperature line such as catalytic cracking unit, styrene device,
And the application demand of the industrial products such as low temperature liquid nitrogen, liquid oxygen and liquefied petroleum gas (LNG) is more and more extensive, device is grown week
Phase safe operation requires more and more higher.In order to ensure the safe operation of pipeline, need design compensation device to compensate the flatulence of heat type of pipeline
Shrinkage, reduces pipe stress.Metal corrugated pipe expansion joint be heated pipe network the modern times and equipment carry out thermal compensation critical component it
One, there is the effect of bit shift compensation, vibration and noise reducing and sealing.For high temperature pipe, the design temperature of corrugated tube generally uses work
The method of journey experience or numerical simulation obtains, and is then designed by heat insulation structural optimization, reduces its actual work temperature, if every
Hot material and insulation thickness choose unsuitable or heat insulation structural design is unreasonable, easily causes expansion joint and dew point corrosion occurs, " burn
Red " etc. phenomenon, and cause the inefficacy of expansion joint；And for preparation, store and carry liquid nitrogen (-196 DEG C), liquid oxygen (-183 DEG C) and
LNG(-162 DEG C) ultralow temperature pipeline, expansion joint needs to carry out insulation design, it is to avoid occur condensation or icing phenomenon.If expanding
There is leakage or condensation icing phenomenon in joint, and pipeline will be out of service.It is thus desirable to a kind of warning with temperature detection of design fills
Put, it is possible to detection in real time also provides forecast and warning function in advance.
At present, the detection technique of expansion joint, is to be changed by the pressure of expansion joint or Media density change detects, should
Method is only used for expansion joint and detection when revealing occurs, and cannot be used for thermal insulation layer and lost efficacy or real-time prison time heat-insulation layer lost efficacy
Survey, and temperature regime when can not realize expansion joint operation remotely monitors and warning function.
Summary of the invention
In order to improve the security and stability of pipeline, and realizing the temperature detection warning function to corrugated tube, the present invention provides
A kind of expansion joint possessing temperature detecting function.
For solving above-mentioned technical problem, the technical solution used in the present invention is:
A kind of expansion joint possessing temperature detecting function, including corrugated tube, inlet tube assembly and outlet assembly, described corrugated tube
Two ends be connected with inlet tube assembly and outlet assembly respectively, be additionally provided with inner draft tube I, inner draft tube II, external flow guiding cylinder I,
External flow guiding cylinder II, ring flat-plate I, ring flat-plate II, thermal insulation layer I, thermal insulation layer II and temperature measuring equipment, inner draft tube I and one end of external flow guiding cylinder I
All being connected with inlet tube assembly inwall, one end of inner draft tube II and external flow guiding cylinder II is all connected with outlet assembly inwall；Institute
State inner draft tube I to extend to inner draft tube II inside and outside guide shell II extension set and be located at outside external flow guiding cylinder I；Described ring flat-plate I is fixing to be set
Put between external flow guiding cylinder I end and inner draft tube I inwall；Described ring flat-plate II is fixedly installed on inner draft tube II end and leads outward
Between flow cartridge II inwall, and ring flat-plate II is parallel with ring flat-plate I and leaves axial displacement clearance；Inlet tube assembly, inner draft tube I, outer
Stuffed heat insulated layer I in the space that guide shell I and ring flat-plate I surround；Outlet assembly, inner draft tube II, external flow guiding cylinder II and ring flat-plate
Stuffed heat insulated layer II in II space surrounded；The temperature sensor of temperature measuring equipment is arranged on outside the trough of corrugated tube, and thermometric fills
Put and be connected with Radio Network System.
Described corrugated tube is externally provided with heat-insulation layer, and the two ends of heat-insulation layer are connected with inlet tube assembly and outlet assembly respectively.
Described heat-insulation layer is externally provided with protective cover assembly.
The angle that described ring flat-plate I and inner draft tube I inwall are formed is 30 ~ 60 °
The angle that described ring flat-plate I and inner draft tube I inwall are formed is 45 °.
Beneficial effects of the present invention:
The expansion joint possessing temperature detecting function that the present invention provides, by arranging corrugated tube, thermal insulation layer and temperature measuring equipment, makes this
Expansion joint possesses temperature detection and warning function, and utilizes thermocouple and wireless network transmission technology, and the work for expansion joint is transported
Trip temperature carries out real-time remote monitoring, higher than the operating temperature upper limit or less than operating temperature lower limit alarm, facilitates on-site maintenance
And maintenance；It is arranged on what ring flat-plate I and ring flat-plate II all tilted between inner draft tube and external flow guiding cylinder, increases the resistance of convection cell
Power, and thermal insulation layer I and thermal insulation layer II are crisscross arranged, more preferable effect of heat insulation can be played, can effectively prevent expansion joint core
Element corrugated tube occurs that the phenomenon such as dew point corrosion, " burning red " causes the inefficacy of expansion joint.
Accompanying drawing explanation
Fig. 1 present configuration schematic diagram；
Fig. 2 temperature detection of the present invention principle schematic；
Reference: 1, inlet tube assembly, 2, inner draft tube I, 3, thermal insulation layer I, 4, protective cover assembly, 5, external flow guiding cylinder I, 6, ripple
Stricture of vagina pipe, 7, heat-insulation layer, 8, external flow guiding cylinder II, 9, temperature measuring equipment, 10, thermal insulation layer II, 11, inner draft tube II, 12, outlet group
Part, 13, ring flat-plate I, 14, ring flat-plate II.
Detailed description of the invention
Below in conjunction with detailed description of the invention, the present invention is further elaborated.
As shown in Figure 1: a kind of expansion joint possessing temperature detecting function, including corrugated tube 6, inlet tube assembly 1 and outlet
Pipe assembly 12, the two ends of described corrugated tube 6 are connected with inlet tube assembly 1 and outlet assembly 12 respectively, are additionally provided with inner draft tube I
2, inner draft tube II 11, external flow guiding cylinder I 5, external flow guiding cylinder II 8, ring flat-plate I 13, ring flat-plate II 14, thermal insulation layer I 3, thermal insulation layer II 10 and
Temperature measuring equipment 9, one end of inner draft tube I 2 and external flow guiding cylinder I 5 is all connected with inlet tube assembly 1 inwall, inner draft tube II 11 He
One end of external flow guiding cylinder II 8 is all connected with outlet assembly 12 inwall；Described inner draft tube I 2 extends in inner draft tube II 11,
External flow guiding cylinder II 8 extension set is located at outside external flow guiding cylinder I 5；Described ring flat-plate I 13 is fixedly installed on external flow guiding cylinder I 5 end and Inner guide
Between cylinder I 2 inwalls；Described ring flat-plate II 14 is fixedly installed between inner draft tube II 11 end and external flow guiding cylinder II 8 inwall, and ring
Plate II 14 is parallel with ring flat-plate I 13 and leaves axial displacement clearance；Inlet tube assembly 1, inner draft tube I 2, external flow guiding cylinder I 5 and ring flat-plate
Stuffed heat insulated layer I 3 in I 13 spaces surrounded；Outlet assembly 12, inner draft tube II 11, external flow guiding cylinder II 8 and ring flat-plate II 14 enclose
Stuffed heat insulated layer II 10 in the space become；The temperature sensor of temperature measuring equipment 9 is arranged on outside the trough of corrugated tube 6, and thermometric fills
Put 9 to be connected with Radio Network System；Described corrugated tube 6 is externally provided with heat-insulation layer 7, the two ends of heat-insulation layer 7 respectively with inlet tube assembly 1
Connect with outlet assembly 12；Described heat-insulation layer 7 is externally provided with protective cover assembly 4；Described ring flat-plate I 13 and inner draft tube I 2 inwall shape
The angle become is 30 ~ 60 °.
Ring flat-plate I 13 and ring flat-plate II 14 are axially leaving displacement gaps, can axial phase between outlet assembly 12 ring flat-plate I 13
To slip, to compensate pipeline axial tension or compression displacement.If during expansion joint generation axial tension displacement, high-temperature medium can pass through
Gap enters inside expansion joint, causes expansion joint core parts corrugated tube temperature to raise；By setting that ring flat-plate I and ring flat-plate II all tilt
Put between inner draft tube and external flow guiding cylinder, increase the resistance of convection cell, and thermal insulation layer I and thermal insulation layer II are crisscross arranged,
Can play more preferable effect of heat insulation, dew point corrosion, " burning red " etc. are existing can effectively to prevent expansion joint core parts corrugated tube from occurring
As and cause the inefficacy of expansion joint；
Outside the trough near the several corrugated tube in expansion joint center, temperature sensor, temperature measuring equipment combining wireless transmission network are set
Network technology, carries out real-time remote monitoring to the work running temperature of expansion joint, higher than the operating temperature upper limit or less than operating temperature
Report to the police during lower limit, facilitate on-site maintenance.
As described in Figure 2, for temperature detection technology schematic diagram of the present invention, by the temperature of thermocouple measurement compensator product, so
It is sent on intelligent display device by radio network technique afterwards, when corrugated tube temperature is higher than design temperature, sends warning.
Claims (5)
1. possesses an expansion joint for temperature detecting function, including corrugated tube (6), inlet tube assembly (1) and outlet assembly
(12), the two ends of described corrugated tube (6) are connected with inlet tube assembly (1) and outlet assembly (12) respectively, it is characterised in that: also
It is provided with inner draft tube I (2), inner draft tube II (11), external flow guiding cylinder I (5), external flow guiding cylinder II (8), ring flat-plate I (13), ring flat-plate II
(14), thermal insulation layer I (3), thermal insulation layer II (10) and temperature measuring equipment (9), one end of inner draft tube I (2) and external flow guiding cylinder I (5) is equal
Be connected with inlet tube assembly (1) inwall, one end of inner draft tube II (11) and external flow guiding cylinder II (8) all with outlet assembly (12)
Inwall connects；Described inner draft tube I (2) extends to inner draft tube II (11) inside and outside guide shell II (8) extension set and is located at outer water conservancy diversion
Cylinder I (5) is outward；Described ring flat-plate I (13) is fixedly installed between external flow guiding cylinder I (5) end and inner draft tube I (2) inwall；Described ring
Plate II (14) is fixedly installed between inner draft tube II (11) end and external flow guiding cylinder II (8) inwall, and ring flat-plate II (14) and ring
Plate I (13) is parallel and leaves axial displacement clearance；Inlet tube assembly (1), inner draft tube I (2), external flow guiding cylinder I (5) and ring flat-plate I
(13) stuffed heat insulated layer I (3) in the space surrounded；Outlet assembly (12), inner draft tube II (11), external flow guiding cylinder II (8) and
Stuffed heat insulated layer II (10) in the space that ring flat-plate II (14) surrounds；The temperature sensor of temperature measuring equipment (9) is arranged on corrugated tube (6)
Trough outside, temperature measuring equipment (9) is connected with Radio Network System.
Possess the expansion joint of temperature detecting function the most as claimed in claim 1, it is characterised in that: described corrugated tube (6) peripheral hardware
Heat-insulation layer (7), the two ends of heat-insulation layer (7) is had to be connected with inlet tube assembly (1) and outlet assembly (12) respectively.
Possess the expansion joint of temperature detecting function the most as claimed in claim 2, it is characterised in that: described heat-insulation layer (7) peripheral hardware
Protected shade assembly (4).
Possess the expansion joint of temperature detecting function the most as claimed in claim 1, it is characterised in that: described ring flat-plate I (13) is with interior
The angle that guide shell I (2) inwall is formed is 30 ~ 60 °.
Possess the expansion joint of temperature detecting function the most as claimed in claim 4, it is characterised in that: described ring flat-plate I (13) is with interior
The angle that guide shell I (2) inwall is formed is 45 °.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610709001.2A CN106090514A (en) | 2016-08-24 | 2016-08-24 | A kind of expansion joint possessing temperature detecting function |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610709001.2A CN106090514A (en) | 2016-08-24 | 2016-08-24 | A kind of expansion joint possessing temperature detecting function |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN106090514A true CN106090514A (en) | 2016-11-09 |
Family
ID=57225660
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201610709001.2A Pending CN106090514A (en) | 2016-08-24 | 2016-08-24 | A kind of expansion joint possessing temperature detecting function |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN106090514A (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109612595A (en) * | 2017-09-29 | 2019-04-12 | 富满仪器与控制设备有限公司 | Thermocouple set with expansion pipe |
| CN110741197A (en) * | 2017-06-14 | 2020-01-31 | 博里利斯股份公司 | Expansion joint |
| CN113357469A (en) * | 2021-07-19 | 2021-09-07 | 南京晨光东螺波纹管有限公司 | Expansion joint structure with equal displacement and damping effects |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2173892Y (en) * | 1993-10-07 | 1994-08-10 | 青岛浮山钢管防腐保温厂 | Full-embedded corrosion-resistant and thermal insulation multilayer corrugated expansion joint |
| CN201229207Y (en) * | 2008-06-23 | 2009-04-29 | 上海轶龙应用软件开发有限公司 | Wireless real time temperature monitoring and recording device |
| CN203502123U (en) * | 2013-10-21 | 2014-03-26 | 唐山现代工控技术有限公司 | Wireless room temperature monitoring device |
| CN104019316A (en) * | 2014-06-03 | 2014-09-03 | 江苏晨光波纹管有限公司 | High-temperature corrugated expansion joint |
| CN204901186U (en) * | 2015-07-30 | 2015-12-23 | 南京晨光东螺波纹管有限公司 | Take temperature measuring device expansion joint |
-
2016
- 2016-08-24 CN CN201610709001.2A patent/CN106090514A/en active Pending
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2173892Y (en) * | 1993-10-07 | 1994-08-10 | 青岛浮山钢管防腐保温厂 | Full-embedded corrosion-resistant and thermal insulation multilayer corrugated expansion joint |
| CN201229207Y (en) * | 2008-06-23 | 2009-04-29 | 上海轶龙应用软件开发有限公司 | Wireless real time temperature monitoring and recording device |
| CN203502123U (en) * | 2013-10-21 | 2014-03-26 | 唐山现代工控技术有限公司 | Wireless room temperature monitoring device |
| CN104019316A (en) * | 2014-06-03 | 2014-09-03 | 江苏晨光波纹管有限公司 | High-temperature corrugated expansion joint |
| CN204901186U (en) * | 2015-07-30 | 2015-12-23 | 南京晨光东螺波纹管有限公司 | Take temperature measuring device expansion joint |
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110741197A (en) * | 2017-06-14 | 2020-01-31 | 博里利斯股份公司 | Expansion joint |
| US11402048B2 (en) | 2017-06-14 | 2022-08-02 | Borealis Ag | Expansion joint |
| CN110741197B (en) * | 2017-06-14 | 2024-06-07 | 博里利斯股份公司 | Expansion joint |
| CN109612595A (en) * | 2017-09-29 | 2019-04-12 | 富满仪器与控制设备有限公司 | Thermocouple set with expansion pipe |
| CN113357469A (en) * | 2021-07-19 | 2021-09-07 | 南京晨光东螺波纹管有限公司 | Expansion joint structure with equal displacement and damping effects |
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| C06 | Publication | ||
| PB01 | Publication | ||
| C10 | Entry into substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| RJ01 | Rejection of invention patent application after publication |
Application publication date: 20161109 |
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| RJ01 | Rejection of invention patent application after publication |