CN104896248A - Bellow expansion joint with warning device - Google Patents
Bellow expansion joint with warning device Download PDFInfo
- Publication number
- CN104896248A CN104896248A CN201410084233.4A CN201410084233A CN104896248A CN 104896248 A CN104896248 A CN 104896248A CN 201410084233 A CN201410084233 A CN 201410084233A CN 104896248 A CN104896248 A CN 104896248A
- Authority
- CN
- China
- Prior art keywords
- warning device
- expansion joint
- flange
- bellows
- adapter
- 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
Links
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
- F16L51/025—Expansion-compensation arrangements for pipe-lines making use of bellows or an expansible folded or corrugated tube with several corrugations
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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
- 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
- F16L51/028—Expansion-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
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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
- F16L2201/00—Special arrangements for pipe couplings
- F16L2201/30—Detecting leaks
Landscapes
- Engineering & Computer Science (AREA)
- General Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Pipeline Systems (AREA)
Abstract
The invention relates to a bellow expansion joint with a warning device, which comprises connecting pipes, flanges, a double-layer bellows and a flow guide pipe, wherein two ends of the bellows are respectively provided with a left connecting pipe and a right connecting pipe; the outer sides of the left connecting pipe and the right connecting pipe are respectively connected with a left flange and a right flange; the left flange and the right flange are connected by a pull rod and nuts; one end of the flow guide pipe is connected and fixed to the inner surface of the left connecting pipe; the other end of the flow guide pipe stretches into the right connecting pipe; a communicating pipe is arranged at the connection part between the double-layer bellows and one of the connecting pipes; the communicating pipe is communicated with a cavity formed by a middle interlayer of the double-layer bellows; and the warning device is arranged on the end part of the communicating pipe and comprises a gas, temperature sensor and pressure sensor. According to the invention, the warning device is arranged on the end part of the communicating pipe; once leakage happens to an inner layer of the double-layer bellows of the expansion joint, and the warning device can find a leakage point in time and sends a warning signal, so that the expansion joint can be rapidly repaired or replaced. The bellow expansion joint with the warning device is suitable for a pipeline used for conveying an inflammable, explosive or corrosive fluid, so that the safety of the pipeline can be ensured, and the normal operation of the pipeline can be guaranteed.
Description
Technical field
The present invention relates to pipeline extension expansion compensation device, especially a kind of corrugated expansion joint with warning device.
Background technique
At present, existing heat supply pipeline all needs segmentation to install some expansion joints for compensating pipeline extension, and especially for the long distance heat supply pipeline of conveying high temperature, high-pressure medium, the wall thickness of expansion joint is comparatively large, intensity is higher.In using process, the extending amount produced due to heat supply pipeline is comparatively large, and bellows wave number is more, and the bellows of expansion joint is easily because local leakage appears in fatigue.Therefore need Timeliness coverage leakage failure and determine leakage point, so that rapid-maintenance or replacing expansion joint, ensureing the normal operation of pipeline.
Summary of the invention
The object of this invention is to provide that one can Timeliness coverage leakage point be concurrent send alarm signal, with the corrugated expansion joint of warning device.
The object of the invention is by realize by the following technical solutions:
With the corrugated expansion joint of warning device, comprise adapter, flange, bellows and honeycomb duct, the two ends of described bellows are respectively equipped with left adapter and right adapter, left adapter is connected left flange and right flange respectively with the outside of right adapter, be connected with nut by pull bar between left flange and right flange, one end of described honeycomb duct is connected with the internal surface of left adapter and fixes, the other end of honeycomb duct extend in the inner chamber of right adapter, described bellows is double-ply bellows, the link position of double-ply bellows and left adapter or right adapter is provided with connecting tube, the cavity that this connecting tube is formed with double-ply bellows intermediate course is connected, the end of described connecting tube is provided with warning device, described warning device comprises gas, temperature and pressure sensor.
As the preferred technical solution of the present invention, described warning device is connected with controller by signal transmitting apparatus.
As the preferred technical solution of the present invention, described warning device is connected with central control room by signal transmitting apparatus.
As the preferred technical solution of the present invention, described signal transmitting apparatus comprises wireless signal transmitting device or wire signal transmitting set.
As the preferred technical solution of the present invention, described left flange and right flange are respectively equipped with otic placode, are connected with pull bar and nut between the otic placode of left flange and right flange.
As the preferred technical solution of the present invention, described connecting tube is also provided with valve near the position of warning device.
The invention has the beneficial effects as follows: relative to prior art, the end of connecting tube of the present invention is provided with warning device, the internal layer of expansion joint double-ply bellows is once leak, and warning device can Timeliness coverage leakage point send alarm signal, so that rapid-maintenance or change expansion joint.The present invention is applicable to carry inflammable, explosive or have the pipeline of corrosive fluid, thus guarantees pipe safety, ensures the normal operation of pipeline.
Accompanying drawing explanation
Below in conjunction with accompanying drawing and specific embodiment, the invention will be further described:
Fig. 1 is structural representation of the present invention;
Fig. 2 is the close-up schematic view of in Fig. 1 I.
In figure: 1, otic placode, 2, nut, 3, pull bar, 4, flange, 5, adapter, 6, warning device, 7, double-ply bellows, 8, honeycomb duct.
Embodiment
As depicted in figs. 1 and 2, with the corrugated expansion joint of warning device, comprise adapter 5, flange 4, bellows 7 and honeycomb duct 8, the two ends of bellows 7 are respectively equipped with left adapter and right adapter, left adapter is connected left flange and right flange respectively with the outside of right adapter, be connected with nut 2 by pull bar 3 between left flange and right flange, one end of described honeycomb duct 8 is connected with the internal surface of left adapter and fixes, the other end of honeycomb duct 8 extend in the inner chamber of right adapter, described bellows 7 is double-ply bellowss, double-ply bellows 7 is provided with connecting tube with the link position of left adapter or right adapter, the cavity that this connecting tube is formed with double-ply bellows 7 intermediate course is connected, the end of connecting tube is provided with warning device 6, warning device 6 comprises gas, temperature and pressure sensor.
In the present embodiment, described warning device 6 is connected with controller by signal transmitting apparatus, or is connected with central control room by signal transmitting apparatus, and described signal transmitting apparatus comprises wireless signal transmitting device or wire signal transmitting set.Described left flange and right flange are respectively equipped with otic placode 1, are connected with pull bar 3 and nut 2 between the otic placode 1 of left flange and right flange.Described connecting tube is also provided with valve near the position of warning device 6, so that control the switch motion of connecting tube.
When the internal layer of expansion joint double-ply bellows of the present invention occurs to leak, its skin is still intact, therefore can not cause security incident, and warning device can Timeliness coverage leakage point send alarm signal, is convenient to rapid-maintenance or changes expansion joint.Security of the present invention is higher, thus can guarantee pipe safety, ensures the normal operation of pipeline.
Claims (6)
1. the corrugated expansion joint with warning device, comprise adapter, flange, bellows and honeycomb duct, the two ends of described bellows are respectively equipped with left adapter and right adapter, left adapter is connected left flange and right flange respectively with the outside of right adapter, be connected with nut by pull bar between left flange and right flange, one end of described honeycomb duct is connected with the internal surface of left adapter and fixes, the other end of honeycomb duct extend in the inner chamber of right adapter, it is characterized in that: described bellows is double-ply bellows, the link position of double-ply bellows and left adapter or right adapter is provided with connecting tube, the cavity that this connecting tube is formed with double-ply bellows intermediate course is connected, the end of described connecting tube is provided with warning device, described warning device comprises gas, temperature and pressure sensor.
2. the corrugated expansion joint of band warning device according to claim 1, is characterized in that: described warning device is connected with controller by signal transmitting apparatus.
3. the corrugated expansion joint of band warning device according to claim 2, is characterized in that: described warning device is connected with central control room by signal transmitting apparatus.
4. the corrugated expansion joint of the band warning device according to Claims 2 or 3, is characterized in that: described signal transmitting apparatus comprises wireless signal transmitting device or wire signal transmitting set.
5. the corrugated expansion joint of band warning device according to claim 1, is characterized in that: described left flange and right flange are respectively equipped with otic placode, are connected with pull bar and nut between the otic placode of left flange and right flange.
6. the corrugated expansion joint of band warning device according to claim 1, is characterized in that: described connecting tube is also provided with valve near the position of warning device.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410084233.4A CN104896248A (en) | 2014-03-08 | 2014-03-08 | Bellow expansion joint with warning device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410084233.4A CN104896248A (en) | 2014-03-08 | 2014-03-08 | Bellow expansion joint with warning device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN104896248A true CN104896248A (en) | 2015-09-09 |
Family
ID=54029092
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201410084233.4A Pending CN104896248A (en) | 2014-03-08 | 2014-03-08 | Bellow expansion joint with warning device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN104896248A (en) |
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105135137A (en) * | 2015-09-24 | 2015-12-09 | 江苏广通管业制造有限公司 | Expansion joint with expansion coefficient display function |
| CN105156826A (en) * | 2015-09-29 | 2015-12-16 | 江苏广通管业制造有限公司 | Expansion joint with function of warning |
| CN108644525A (en) * | 2018-05-28 | 2018-10-12 | 王惠俊 | Nuclear power type folder puies forward formula and fast safeguards expansion joint |
| WO2019136923A1 (en) * | 2018-01-15 | 2019-07-18 | 江苏大学 | Magnetic fluid sealing pipeline connection compensation apparatus |
| CN110345330A (en) * | 2019-07-19 | 2019-10-18 | 福建福清核电有限公司 | A kind of online leakage monitor of double-level-metal expansion joint and method |
| CN111637308A (en) * | 2020-07-06 | 2020-09-08 | 刘江炜 | Corrugated expansion joint |
-
2014
- 2014-03-08 CN CN201410084233.4A patent/CN104896248A/en active Pending
Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105135137A (en) * | 2015-09-24 | 2015-12-09 | 江苏广通管业制造有限公司 | Expansion joint with expansion coefficient display function |
| CN105156826A (en) * | 2015-09-29 | 2015-12-16 | 江苏广通管业制造有限公司 | Expansion joint with function of warning |
| WO2019136923A1 (en) * | 2018-01-15 | 2019-07-18 | 江苏大学 | Magnetic fluid sealing pipeline connection compensation apparatus |
| US11199265B2 (en) | 2018-01-15 | 2021-12-14 | Jiangsu University | Pipe connection compensation device by magnetic fluid sealing |
| CN108644525A (en) * | 2018-05-28 | 2018-10-12 | 王惠俊 | Nuclear power type folder puies forward formula and fast safeguards expansion joint |
| CN110345330A (en) * | 2019-07-19 | 2019-10-18 | 福建福清核电有限公司 | A kind of online leakage monitor of double-level-metal expansion joint and method |
| CN111637308A (en) * | 2020-07-06 | 2020-09-08 | 刘江炜 | Corrugated expansion joint |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C06 | Publication | ||
| PB01 | Publication | ||
| WD01 | Invention patent application deemed withdrawn after publication |
Application publication date: 20150909 |
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| WD01 | Invention patent application deemed withdrawn after publication |