CN104567747B - A kind of high-temperature flange leakage monitor based on laser range finder - Google Patents
A kind of high-temperature flange leakage monitor based on laser range finder Download PDFInfo
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- CN104567747B CN104567747B CN201510028303.9A CN201510028303A CN104567747B CN 104567747 B CN104567747 B CN 104567747B CN 201510028303 A CN201510028303 A CN 201510028303A CN 104567747 B CN104567747 B CN 104567747B
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- flange
- laser range
- measurement plate
- temperature
- range finder
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Abstract
Patent of the present invention is related to the test of high-temperature flange deflection angle and health monitoring field, and in particular to a kind of high-temperature flange leakage monitor based on laser range finder.A kind of high-temperature flange leakage monitor based on laser range finder, it is mainly included for measurement, the high-temperature flange of monitoring object, the high-temperature flange is mainly connected by screw bolts by upper flange and lower flange and formed, and is sealed between upper flange and lower flange using gasket；It is characterized in that：It further includes flange deflection angle mechanism for testing and remote control center based on laser range finder.The monitoring device is applied to the high-temperature flange under various operating modes, can accurately test the deflection angle of ring flange, provides stiffness estimation, and monitor the compactness of high-temperature flange in real time, ensures that production, construction are smoothed out.
Description
Technical field
Patent of the present invention is related to the test of high-temperature flange deflection angle and health monitoring field, and in particular to one kind is based on Laser Measuring
The high-temperature flange leakage monitor of distance meter.
Background technology
High-temperature flange connection is common connection mode in petrochemical equipment, and the excellent of installation is readily disassembled because it has
Point, is widely used in the pressure vessel and pipeline of the industries such as petrochemical industry, nuclear power, metallurgy, pharmacy.As economic development and the energy supply
The contradiction answered becomes increasingly conspicuous, and oil refining and Chemical Engineering Technology develop rapidly, generally existing high temperature and high pressure condition in various refinery devices.
The changes such as under the conditions of high-temperature operation, high-temperature flange may deflect, warpage, creep；High-temperature flange leakage is petrochemical industry etc.
One of the main reason for major accident, occurs for enterprise, and the deflection angle of the leakage of high-temperature flange and ring flange (i.e. rigidity) has directly
The contact connect, to avoid the generation of high-temperature flange leakage accident, it is necessary to the deflection angle of high-temperature flange is measured at any time, and
Timely early warning, effectively to control the leakage of high-temperature flange.
The content of the invention
For above-mentioned technical problem, it is an object of the invention to provide a kind of high-temperature flange leakage based on laser range finder
Monitoring device, the monitoring device are applied to the high-temperature flange under various operating modes, can accurately test the deflection angle of ring flange, provide just
Degree evaluation, and in real time monitor high-temperature flange compactness, ensure production, construction be smoothed out.
To achieve the above object, the technical solution used in the present invention is：
A kind of high-temperature flange leakage monitor based on laser range finder, it mainly includes being measurement, monitoring object
High-temperature flange, the high-temperature flange is mainly connected by screw bolts by upper flange and lower flange and formed, between upper flange and lower flange
Sealed using gasket；It is characterized in that：It further includes flange deflection angle mechanism for testing based on laser range finder and long-range
Control centre；
The flange deflection angle mechanism for testing based on laser range finder includes upper extension pole, lower extension pole, laser
Rangefinder and signal tower；The upper and lower extension pole, face is arranged on the ring flange of upper and lower flange one on the other respectively, institute
The one end for stating upper and lower extension pole is welded to connect with ring flange outer, and conllinear with the diameter of ring flange；It is described upper and lower to prolong
The other end for stretching pole is respectively welded measurement plate and lower measurement plate, and upper and lower measurement plate up and down arrange by Parallel Symmetric, and with
Ring flange is parallel；The upper measurement plate is square, and at its four angles and four side midpoints are both provided with laser range finder
Laser range sensor, for the distance between measuring with lower measurement plate；
The data that the signal tower is used to measure laser range finder transmit in the form of radio or in the form of Internet of Things
To remote control center；The remote control center is used to analyze and display data, and provides early warning.
The remote control center is mainly shown by signal receiving device, computer control system, warning device, flange state
Display screen and flange state control key composition；Signal receiving device is used to receive the data-signal that signal tower is sent, and will
The data-signal passes to computer control system；Computer control system analyzes data-signal, and sends alarm signal
Breath；Flange state display is used for the information for receiving computer control system, and the state of high-temperature flange is shown；Report
Alarm device is used to receive the warning message that computer control system is sent, and warning message will immediately trigger the sudden strain of a muscle of warning device alarm lamp
It is bright, and send alarm sound signal；Flange state control key is used to control the controlling switch before and after high-temperature flange.
The remote control center can monitor some high-temperature flanges at the same time.
Laser range sensor in the upper measurement plate, lower measurement plate and upper measurement plate is used uniformly package casing encapsulation
Get up.
One they sup-port of the package casing, the supporting rod are elevating lever, can be lifted within the specific limits.
The beneficial effects of the invention are as follows：
1st, the present invention measures the deflection angle of high-temperature flange using laser range finder, applied to the height under various operating modes
Warm therapy is blue, can accurately test the deflection angle of ring flange, provides stiffness estimation, and monitors the compactness of high-temperature flange in real time, ensures
Production, construction be smoothed out (can effectively reduce oil, chemical enterprise flange leakage accident generation, will harm and warp
Ji loss is reduced to minimum degree)；Flange deflection angular measurement of the present invention is accurate, all there is stronger guidance to anticipate scientific research and engineering
Justice；
2nd, medium-long range control centre of the present invention can play the role of remote monitoring and control, and multiple functional, can and
When make early warning, prevent the generation of accident；
3rd, medium-long range control centre of the present invention can monitor some high-temperature flanges at the same time, unified to monitor, United Dispatching, in time
Feedback, and economize on resources；
4th, upper measurement plate and lower measurement plate are uniformly encapsulated in the present invention, can be to avoid being subject to the factors such as dust, rain
Interference, ensure measurement accuracy；
5th, package casing they sup-port in the present invention, which is elevating lever, can be carried out within the specific limits
Lifting, to adjust to rational height, while can also partially remove influence of the package casing gravity to measuring device.
Brief description of the drawings
Fig. 1 is a kind of overall structure diagram of the high-temperature flange leakage monitor based on laser range finder.
Fig. 2 is the overall bottom view after upper flange is connected with upper measurement plate.
Fig. 3 is the position distribution schematic diagram of laser range sensor in upper measurement plate.
In figure：1- bolts, 2- gaskets, 3- upper flanges, 4- supporting rods, extend pole, 6- laser range sensors, 7- on 5-
Extend pole, 14- lower flanges, 15- signals under the upper measurement plate of package casing, 9-, 11- laser range finders, 12- under measurement plate, 13-
Tower, 16- sender units, the form of the form of 17- radio or Internet of Things, 18- signal receiving devices, 19- computer controls
System processed, 20- warning devices, 21- flanges state display, 22- flange states control key, 23- remote control centers.
Embodiment
The present invention is described further below in conjunction with the accompanying drawings.
A kind of high-temperature flange leakage monitor based on laser range finder, it mainly includes being measurement, monitoring object
High-temperature flange, the high-temperature flange are mainly formed by connecting (in the high-temperature flange by upper flange 3 and lower flange 14 using bolt 1
Upper and lower flange 3,14 be typically all by ring flange, cone neck and the integrated formed structure that forms of birdsmouth), upper flange 3 and laxative remedy
Sealed between orchid 14 using gasket 2；It further includes flange deflection angle mechanism for testing and long-range control based on laser range finder
Center 23 processed；
The flange deflection angle mechanism for testing based on laser range finder includes upper extension pole 5, lower extension pole 13, swashs
Optar 11 and signal tower 15；The upper and lower extension pole 5,13 respectively arrange (i.e. positioned at same facade one on the other by face
On) on the ring flange of upper and lower flange 3,14, one end and ring flange outer of the upper and lower extension pole 5,13 are welded to connect,
It is and conllinear (i.e. on the extended line of ring flange diameter) with the diameter of ring flange；It is described it is upper and lower extension pole 5,13 it is another
One end is respectively welded measurement plate 9 and lower measurement plate 12, upper and lower measurement plate 9, about 12 Parallel Symmetrics arrangement, and and method
Blue disk is parallel；The upper measurement plate 9 is square (thin plate), and at its four angles and four side midpoints are both provided with laser
The laser range sensor 6 of rangefinder 11, for measuring the distance between lower measurement plate 12, (the lower measurement plate 12 is not attached
Belong to component, only play a part of to coordinate ranging.Upper and lower extension pole 5, the 13 selection hardness is high, intensity is big, heat safe material
Material, can directly contact with high-temperature flange, at the same can effective dissipated heat, ensure the measurement of upper and lower measurement plate 9,12 from
The influence of high temperature；Upper and lower measurement plate 9,12 selects light-weight and hard thin plate, avoids producing initial change because gravity influences
Shape, ensures that outcome measurement is accurate)；
The data that the signal tower 15 is used to measure laser range finder 11 are in the form of radio or in the form of Internet of Things
17 send remote control center 23 to, and (signal tower 15 is equipped with sender unit 16, for launching the form of radio
Or the signal of the form 17 of Internet of Things)；The remote control center 23 is used to analyze and display data, and provides early warning.
The remote control center 23 is mainly by signal receiving device 18, computer control system 19, warning device 20, method
Blue state display 21 and flange state control key 22 form；Signal receiving device 18 is used to receive what signal tower 15 was sent
Data-signal, and the data-signal is passed into computer control system 19；Computer control system 19 to data-signal into
Row analysis (deflection angle for calculating the state of high-temperature flange, i.e. ring flange), and alert；Flange state display 21
Shown for receiving the information of computer control system 19, and to the state of high-temperature flange；Warning device 20 is used to connect
The warning message that computer control system 19 is sent is received, warning message will immediately trigger the flicker of 20 alarm lamp of warning device, concurrently
Go out alarm sound signal；Flange state control key 22 is used to control and (leak) controlling switch before and after high-temperature flange (to block
Leakage).
The operation principle (or process) of remote control center 23：The data via line transmission that the laser range finder 11 measures
To signal tower 15, then 17 in the form of radio or in the form of Internet of Things in the form of be delivered to signal receiving device 18；By signal
Reception device 18 is delivered to computer control system 19 and carries out data analysis, and to high-temperature flange on flange state display 21
State shown (i.e. the deflection angle of ring flange)；According to requirement (loose flanges of the ASME VIII-1 to flange safe corner
Safe corner be 0.2 °, the safe corner of integral (type) flange is 0.3 °), if the deflection angle of flange has exceeded the peace of relevant criterion
The full limit, for computer control system 19 by alert, warning message will immediately trigger the flicker of 20 alarm lamp of warning device,
And send alarm sound signal；And remote control center 23 leak without occur in the case of can remind relevant departments into
The tools for bolts ' pretension of row again, can close leakage position high-temperature flange by flange state control key 22 immediately in the case of a leak
Front and rear controlling switch, and notify that relevant device maintenance department is rushed to repair, plant area staff is evacuated in time.
The remote control center 23 can monitor some high-temperature flanges at the same time and (can monitor in whole factory, some
Section, the whole city even some high-risk high-temperature flanges in the whole nation).
It is outer that laser range sensor 6 in the upper measurement plate 9, lower measurement plate 12 and upper measurement plate 9 is used uniformly encapsulation
Shell 7 is encapsulated.Avoid being disturbed be subject to factors such as dust, rain, ensure the accuracy of measurement.
The package casing 7 is supported with a supporting rod 4, which is elevating lever, can be risen within the specific limits
Drop (adjust to rational height).
The course of work of the present invention：(1) upper and lower extension pole 5,13 is welded on to the outside of upper and lower ring flange first, is protected
To demonstrate,prove parallel between two measurement plates, two measurement plates are parallel with two ring flanges, while laser range finder 11 and computer control system 19,
The start preheating of flange state display 21；(2) after proceeding by measurement：1. the data that the laser range finder 11 measures are through signal
Tower 15 is transmitted to computer control system 19 and carries out data analysis；2. if the deflection angle of flange has exceeded the safety of relevant criterion
The limit, for computer control system 19 by alert, warning message will immediately trigger the flicker of 20 alarm lamp of warning device, and
Warning device 20 is triggered to send alarm sound signal, convenient repairing and emergency escape；3. meanwhile remote control center 23 can also
The tools for bolts ' pretension of relevant departments' progress again is reminded in the case where leaking without occurring, carries out prevention work；4. in leakage
Situation lower flange-like state control key 22 can close the forward and backward controlling switch in leakage high-temperature flange position immediately, and notify correlation to set
Standby maintenance department is rushed to repair, tissue evacuation employee.
It is as follows that computer control system 19 carries out analytic process to data-signal：
The upper measurement plate is square, and at its four angles and four side midpoints are both provided with swashing for laser range finder
Ligh-ranging sensor, for measuring the distance between lower measurement plate.Now 8 measurement points in upper measurement plate are numbered,
Number consecutively is：61st, 62,63,64,65,66,67,68 (as shown in Figure 3).The distance obtained using 8 measurement point measurements is carried out
Each deflection angle is calculated in geometrical analysis：
1 (θ of deflection angle64-65)：
If the length of side of square is l, then the catercorner length of upper measurement plate isMeasured at upper measurement plate measurement point 65
The distance perpendicular to upper measurement plate be d65, the distance perpendicular to upper measurement plate measured at upper measurement plate measurement point 64 is
d64
2 (θ of deflection angle61-63)：
If the length of side of square is l, then the catercorner length of upper measurement plate isMeasured at upper measurement plate measurement point 61
The distance perpendicular to upper measurement plate be d61, the distance perpendicular to upper measurement plate measured at upper measurement plate measurement point 63 is
d63
3 (θ of deflection angle66-68)：
If the length of side of square is l, then the catercorner length of upper measurement plate isMeasured at upper measurement plate measurement point 66
The distance perpendicular to upper measurement plate be d66, the distance perpendicular to upper measurement plate measured at upper measurement plate measurement point 68 is
d68
4 (θ of deflection angle62-67)：
If the length of side of square is l, then the catercorner length of upper measurement plate isMeasured at upper measurement plate measurement point 62
The distance perpendicular to upper measurement plate be d62, the distance perpendicular to upper measurement plate measured at upper measurement plate measurement point 67 is
d67
5 (θ of deflection angle61-68)：
If the length of side of square is l, then the catercorner length of upper measurement plate isMeasured at upper measurement plate measurement point 61
The distance perpendicular to upper measurement plate be d61, the distance perpendicular to upper measurement plate measured at upper measurement plate measurement point 68 is
d68
6 (θ of deflection angle63-66)：
If the length of side of square is l, then the catercorner length of upper measurement plate isMeasured at upper measurement plate measurement point 63
The distance perpendicular to upper measurement plate be d63, the distance perpendicular to upper measurement plate measured at upper measurement plate measurement point 66 is
d66
7 (θ of deflection angle61-66)：
If the length of side of square is l, then the catercorner length of upper measurement plate isMeasured at upper measurement plate measurement point 61
The distance perpendicular to upper measurement plate be d61, the distance perpendicular to upper measurement plate measured at upper measurement plate measurement point 66 is
d66
8 (θ of deflection angle63-68)：
If the length of side of square is l, then the catercorner length of upper measurement plate isMeasured at upper measurement plate measurement point 63
The distance perpendicular to upper measurement plate be d63, the distance perpendicular to upper measurement plate measured at upper measurement plate measurement point 68 is
d68
When 8 deflection angles are in the range of security clearance more than, status display is safety；When partially deflected angle is shown as
When exceeded, secondary pretension or part exchanging should be carried out in time；When whole deflection angles are illustrated as exceeded, timely disengagement failure is answered
Valve before and after flange, goes forward side by side to rob and repaiies, and avoids big economic loss or casualties.
Claims (5)
1. a kind of high-temperature flange leakage monitor based on laser range finder, it is mainly included for measurement, the height of monitoring object
Warm therapy is blue, and the high-temperature flange is mainly by upper flange（3）And lower flange（14）Using bolt（1）It is formed by connecting, upper flange（3）With
Lower flange（14）Between use gasket（2）Sealed；It is characterized in that：It further includes the flange deflection based on laser range finder
Angle mechanism for testing and remote control center（23）；
The flange deflection angle mechanism for testing based on laser range finder includes upper extension pole（5）, lower extension pole（13）, swash
Optar（11）And signal tower（15）；The upper extension pole（5）With lower extension pole（13）Distinguish face cloth one on the other
Put in upper flange（3）And lower flange（14）Ring flange on, the upper extension pole（5）With lower extension pole（13）One end with
Ring flange outer is welded to connect, and conllinear with the diameter of ring flange；The upper extension pole（5）With lower extension pole（13）'s
The other end is respectively welded measurement plate（9）With lower measurement plate（12）, upper measurement plate（9）With lower measurement plate（12）It is parallel right up and down
Claim arrangement, and it is parallel with ring flange；The upper measurement plate（9）For square, at its four angles and four side midpoints are equal
It is provided with laser range finder（11）Laser range sensor（6）, for measuring and lower measurement plate（12）The distance between；
The signal tower（15）For by laser range finder（11）The data measured are in the form of radio or in the form of Internet of Things
（17）Send remote control center to（23）；The remote control center（23）For analysis and display data, and provide pre-
It is alert.
A kind of 2. high-temperature flange leakage monitor based on laser range finder according to claim 1, it is characterised in that：
The remote control center（23）Mainly by signal receiving device（18）, computer control system（19）, warning device（20）, method
Blue state display（21）With flange state control key（22）Composition；Signal receiving device（18）For receiving signal tower（15）Pass
The data-signal brought, and the data-signal is passed into computer control system（19）；Computer control system（19）
Data-signal is analyzed, and alert；Flange state display（21）For receiving computer control system
（19）Information, and the state of high-temperature flange is shown；Warning device（20）For receiving computer control system
（19）The warning message sent, warning message will immediately trigger warning device（20）Alarm lamp flickers, and sends alarm sound letter
Number；Flange state control key（22）For controlling the controlling switch before and after high-temperature flange.
A kind of 3. high-temperature flange leakage monitor based on laser range finder according to claim 2, it is characterised in that：
The remote control center（23）Some high-temperature flanges can be monitored at the same time.
4. a kind of high-temperature flange leakage monitor based on laser range finder according to claim 1,2 or 3, its feature
It is：The upper measurement plate（9）, lower measurement plate（12）And upper measurement plate（9）On laser range sensor（6）It is used uniformly envelope
Casing（7）It is encapsulated.
A kind of 5. high-temperature flange leakage monitor based on laser range finder according to claim 4, it is characterised in that：
The package casing（7）With a supporting rod（4）Support, the supporting rod（4）For elevating lever, can be risen within the specific limits
Drop.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510028303.9A CN104567747B (en) | 2015-01-20 | 2015-01-20 | A kind of high-temperature flange leakage monitor based on laser range finder |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510028303.9A CN104567747B (en) | 2015-01-20 | 2015-01-20 | A kind of high-temperature flange leakage monitor based on laser range finder |
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| Publication Number | Publication Date |
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| CN104567747A CN104567747A (en) | 2015-04-29 |
| CN104567747B true CN104567747B (en) | 2018-05-01 |
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ID=53084372
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201510028303.9A Expired - Fee Related CN104567747B (en) | 2015-01-20 | 2015-01-20 | A kind of high-temperature flange leakage monitor based on laser range finder |
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Families Citing this family (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105069208B (en) * | 2015-07-29 | 2018-05-01 | 武汉工程大学 | A kind of Flanged Joints at Elevated Temperature compactness evaluation method |
| CN105928669A (en) * | 2016-04-22 | 2016-09-07 | 武汉工程大学 | Flange connection leakage early warning device |
| CN105673966A (en) * | 2016-04-22 | 2016-06-15 | 武汉工程大学 | Leakage protection and monitoring system for high-temperature flange |
| CN105715890A (en) * | 2016-04-22 | 2016-06-29 | 武汉工程大学 | Leakage monitoring system of quickly disassembled flange |
| CN107229778A (en) * | 2017-05-15 | 2017-10-03 | 武汉工程大学 | The compactness assessment method of high-temperature pipe bump joint |
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| US569924A (en) * | 1896-10-20 | jones | ||
| DE3714185A1 (en) * | 1987-04-29 | 1988-11-17 | Man Technologie Gmbh | Method and device for the measurement of the axial flexing of a sample bar |
| CN101476858A (en) * | 2009-01-21 | 2009-07-08 | 华东理工大学 | Drawing type high temperature component deformation sensing device |
| CN102506804A (en) * | 2011-11-25 | 2012-06-20 | 中国石油天然气集团公司 | Device and method for measuring turning angle of cross section at 2D length position of middle part of tested pipe |
| CN102564386A (en) * | 2011-12-19 | 2012-07-11 | 华东理工大学 | Double-shoulder high-temperature member deformation monitoring sensing device |
Family Cites Families (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE4315387C2 (en) * | 1993-05-08 | 1995-07-20 | Industrieanlagen Betriebsges | Measuring device for measuring thermally or mechanically induced strains of a test object |
| JP5500612B2 (en) * | 2011-09-28 | 2014-05-21 | ▲華▼▲東▼理工大学 | Extensometer for deformation expansion measurement of high temperature structures |
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- 2015-01-20 CN CN201510028303.9A patent/CN104567747B/en not_active Expired - Fee Related
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US569924A (en) * | 1896-10-20 | jones | ||
| DE3714185A1 (en) * | 1987-04-29 | 1988-11-17 | Man Technologie Gmbh | Method and device for the measurement of the axial flexing of a sample bar |
| CN101476858A (en) * | 2009-01-21 | 2009-07-08 | 华东理工大学 | Drawing type high temperature component deformation sensing device |
| CN102506804A (en) * | 2011-11-25 | 2012-06-20 | 中国石油天然气集团公司 | Device and method for measuring turning angle of cross section at 2D length position of middle part of tested pipe |
| CN102564386A (en) * | 2011-12-19 | 2012-07-11 | 华东理工大学 | Double-shoulder high-temperature member deformation monitoring sensing device |
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