CN104567790B - A kind of high-temperature flange leakage monitor based on elasticity modulus - Google Patents
A kind of high-temperature flange leakage monitor based on elasticity modulus Download PDFInfo
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- CN104567790B CN104567790B CN201510027423.7A CN201510027423A CN104567790B CN 104567790 B CN104567790 B CN 104567790B CN 201510027423 A CN201510027423 A CN 201510027423A CN 104567790 B CN104567790 B CN 104567790B
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- Prior art keywords
- flange
- elasticity modulus
- temperature
- measurement plate
- signal
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Classifications
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01B—MEASURING LENGTH, THICKNESS OR SIMILAR LINEAR DIMENSIONS; MEASURING ANGLES; MEASURING AREAS; MEASURING IRREGULARITIES OF SURFACES OR CONTOURS
- G01B21/00—Measuring arrangements or details thereof, where the measuring technique is not covered by the other groups of this subclass, unspecified or not relevant
- G01B21/22—Measuring arrangements or details thereof, where the measuring technique is not covered by the other groups of this subclass, unspecified or not relevant for measuring angles or tapers; for testing the alignment of axes
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 elasticity modulus.A kind of high-temperature flange leakage monitor based on elasticity modulus, 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 pad；It is characterized in that：It also includes flange deflection angle mechanism for testing and remote control center based on elasticity modulus.The detection means 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, it is ensured 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 detection field, and in particular to one kind is drawn based on displacement
Stretch the high-temperature flange leakage monitor of meter.
Background technology
High-temperature flange connection is the connected mode commonly used in petrochemical equipment, and the excellent of installation is readily disassembled because it has
Point, is widely used in the pressure vessel of the industries such as petrochemical industry, nuclear power, metallurgy, pharmacy and pipeline.As economic development and the energy are supplied
The contradiction answered, oil refining and Chemical Engineering Technology are developed 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.
The one of the main reasons of major accident occurs for enterprise, and the deflection angle (i.e. rigidity) of the leakage of high-temperature flange and ring flange has directly
The contact connect, to avoid the generation of high-temperature flange leakage accident, it is necessary to which the deflection angle to 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 elasticity modulus
Monitoring device, the detection means is applied to the high-temperature flange under various operating modes, can accurately test the deflection angle of ring flange, provides just
Degree evaluate, and in real time monitor high-temperature flange compactness, it is ensured that 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 elasticity modulus, 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 pad；It is characterized in that：It is also including the flange deflection angle mechanism for testing based on elasticity modulus and remotely
Control centre；
The flange deflection angle mechanism for testing based on elasticity modulus includes upper extension pole, lower extension pole, displacement
Extensometer and signal tower；The upper and lower extension pole is respectively one on the other just to being arranged on the ring flange of upper and lower flange, 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 above and below measurement plate and lower measurement plate, upper and lower measurement plate Parallel Symmetric and arranged, and with
Ring flange is parallel；The upper and lower measurement plate is square, at four angles of upper and lower measurement plate and four side midpoints are equal
The elasticity modulus fixture of elasticity modulus is provided with, for measuring the distance between upper and lower measurement plate；
The signal tower is used for the data that measure elasticity modulus and transmitted in the form of the 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 operating 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 is analyzed 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 operating key is used to control the controlling switch before and after high-temperature flange.
The remote control center can monitor some high-temperature flanges simultaneously.
The beneficial effects of the invention are as follows：
1st, the present invention is measured using elasticity modulus to the deflection angle of high-temperature flange, 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, it is ensured that
Production, construction be smoothed out (be effectively reduced oil, the generation of the flange leakage accident of chemical enterprise, will harm and pass through
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 a part 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 simultaneously, unified to detect, United Dispatching, in time
Feedback, and economize on resources.
Brief description of the drawings
Fig. 1 is a kind of overall structure diagram of the high-temperature flange leakage monitor based on elasticity modulus.
Fig. 2 is the overall upward view after upper flange is connected with upper measurement plate.
Fig. 3 is the position distribution schematic diagram of upper measurement plate top offset extensometer fixture.
In figure：1- bolts, 2- pads, 3- upper flanges, extension pole on 4-, 5- elasticity modulus fixture, the upper measurement plates of 8-,
Under 9- elasticity modulus, 10- under measurement plate, 11- extend pole, 12- lower flanges, 13- signal towers, 14- sender units,
15- Internet of Things, 16- signal receiving devices, 17- computer control systems, 18- flanges state display, the control of 19- flanges state
Key, 20- warning devices, 21- 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 elasticity modulus, it mainly includes being measurement, monitoring object
High-temperature flange, the high-temperature flange is main to be formed by connecting (in the high-temperature flange by upper flange 3 and lower flange 12 using bolt 1
Upper and lower flange 3,12 be typically all by ring flange, cone neck and the integrated formed structure that constitutes of birdsmouth), upper flange 3 and laxative remedy
Sealed between orchid 12 using pad 2；It also includes flange deflection angle mechanism for testing and long-range control based on elasticity modulus
Center 21 processed；
The flange deflection angle mechanism for testing based on elasticity modulus includes upper extension pole 4, lower extension pole 11, position
Move extensometer 9 and signal tower 13；The upper and lower extension pole 4,11 is respectively one on the other just to arrangement (i.e. positioned at same facade
On) on the ring flange of upper and lower flange 3,12, one end and ring flange outer of the upper and lower extension pole 4,11 are welded to connect,
And it is 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 4,11 it is another
One end is respectively welded measurement plate 8 and lower measurement plate 10, upper and lower measurement plate 8, about 10 Parallel Symmetrics arrangement, and and method
Blue disk is parallel；The upper and lower measurement plate 8,10 is square (thin plate), at four angles of upper and lower measurement plate 8,10 with
And four side midpoint be provided with (the two corresponding elasticity modulus one on the other of elasticity modulus fixture 5 of elasticity modulus 9
Fixture 5 is one group, the distance for measuring the point；Elasticity modulus fixture 5 is connected by circuit with elasticity modulus 9), it is used for
Measuring upper and lower measurement plate 8, the distance between 10, (the upper and lower extension pole 4,11 is big, resistant to elevated temperatures from hardness height, intensity
Material, directly can be contacted with high-temperature flange, while can effective dissipated heat, it is ensured that the measurement of upper and lower measurement plate 8,10 is not
It is affected by the high temperature；Upper and lower measurement plate 8,10 selects lightweight and hard thin plate, it is to avoid because gravity influences and produces initial change
Shape, it is ensured that outcome measurement is accurate)；
The signal tower 13 is used for the data that measure elasticity modulus 9 in the form of the radio or 15 in the form of Internet of Things
Send to remote control center 21 (signal tower 13 be provided with sender unit 14, for launch radio form or
The signal of the form 15 of Internet of Things)；The remote control center 21 is used to analyze and display data, and provides early warning.
The remote control center 21 is main by signal receiving device 16, computer control system 17, warning device 20, method
Blue state display 18 and flange state operating key 19 are constituted；Signal receiving device 16 is used to receive what signal tower 13 was sent
Data-signal, and the data-signal is passed into computer control system 17；Computer control system 17 is entered to data-signal
Row analysis (deflection angle for calculating the state of high-temperature flange, i.e. ring flange), and alert；Flange state display 18
Information for receiving computer control system 17, and the state of high-temperature flange is shown；Warning device 20 is used to connect
The warning message that computer control system 17 is sent is received, warning message will immediately trigger the flicker of the alarm lamp of warning device 20, concurrently
Go out alarm sound signal；Flange state operating key 19 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 21：The data via line transmission that the elasticity modulus 9 is measured
To signal tower 13, then in the form of the radio or 15 in the form of Internet of Things in the form of be delivered to signal receiving device 16；By signal
Reception device 16 is delivered to computer control system 17 and carries out data analysis, and to high-temperature flange on flange state display 18
State shown (i.e. the deflection angle of ring flange)；Requirement (loose flange according to 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, computer control system 17 is by alert, and warning message will immediately trigger the flicker of the alarm lamp of warning device 20,
And send alarm sound signal；And remote control center 21 can remind relevant departments to enter in the case where leakage is without occurring
The tools for bolts ' pretension of row again, can close leakage position high-temperature flange by flange state operating key 19 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 21 can monitor simultaneously some high-temperature flanges (can monitor in whole factory, some
Section, the whole city even some high-risk high-temperature flanges in the whole nation).
The course of work of the present invention：(1) upper and lower extension pole 4,11 is welded on to the outside of upper and lower ring flange first, protected
Demonstrate,prove parallel between two measurement plates, two measurement plates are parallel with two ring flanges, simultaneous displacement extensometer 9 and computer control system 17,
The start preheating of flange state display 18；(2) proceed by after measurement：1. the data that the elasticity modulus 9 is measured are through signal
Tower 13 is sent to computer control system 17 and carries out data analysis；If 2. the deflection angle of flange has exceeded the safety of relevant criterion
The limit, computer control system 17 is by alert, and warning message will immediately trigger the flicker of the alarm lamp of warning device 20, and
Warning device 20 is triggered to send alarm sound signal, convenient repairing and emergency escape；3. simultaneously, remote control center 21 can also
The tools for bolts ' pretension of relevant departments' progress again is reminded in the case where leakage is without occurring, prevention work is carried out；4. in leakage
Situation lower flange-like state operating key 19 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 analysis process to data-signal：
The upper measurement plate for square, at its four angles and four side midpoints be provided with laser range finder swash
Ligh-ranging sensor, for the distance between measurement and 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
Geometrical analysis calculates and obtains each deflection angle：
(the θ of deflection angle 164-65)：
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
(the θ of deflection angle 261-63)：
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
(the θ of deflection angle 366-68)：
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
(the θ of deflection angle 462-67)：
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
(the θ of deflection angle 561-68)：
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
(the θ of deflection angle 663-66)：
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
(the θ of deflection angle 761-66)：
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
(the θ of deflection angle 863-68)：
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, it is to avoid big economic loss or casualties.
Claims (3)
1. a kind of high-temperature flange leakage monitor based on elasticity modulus, it is mainly included for measurement, the height of monitoring object
Warm therapy is blue, and the high-temperature flange is main by upper flange（3）And lower flange（12）Using bolt（1）It is formed by connecting, upper flange（3）With
Lower flange（12）Between use pad（2）Sealed；It is characterized in that：It also includes the flange deflection based on elasticity modulus
Angle mechanism for testing and remote control center（21）；
The flange deflection angle mechanism for testing based on elasticity modulus includes upper extension pole（4）, lower extension pole（11）, position
Move extensometer（9）And signal tower（13）；The upper and lower extension pole（4、11）Respectively one on the other just to being arranged in upper and lower method
It is blue（3、12）Ring flange on, the upper and lower extension pole（4、11）One end be welded to connect with ring flange outer, and and method
The diameter of blue disk is conllinear；The upper and lower extension pole（4、11）The other end be respectively welded measurement plate（8）With lower measurement plate
（10）, upper and lower measurement plate（8、10）Parallel Symmetric is arranged up and down, and parallel with ring flange；The upper and lower measurement plate（8、10）
It is square, in upper and lower measurement plate（8、10）Four angles at and four side midpoints be provided with elasticity modulus（9）'s
Elasticity modulus fixture（5）, for measuring upper and lower measurement plate（8、10）The distance between；
The signal tower（13）For by elasticity modulus（9）The data measured are in the form of the radio or in the form of Internet of Things
（15）Send remote control center to（21）；The remote control center（21）For analysis and display data, and provide pre-
It is alert.
2. a kind of high-temperature flange leakage monitor based on elasticity modulus according to claim 1, it is characterised in that：
The remote control center（21）Mainly by signal receiving device（16）, computer control system（17）, warning device（20）, method
Blue state display（18）With flange state operating key（19）Composition；Signal receiving device（16）For receiving signal tower（13）Pass
The data-signal brought, and the data-signal is passed into computer control system（17）；Computer control system（17）
Data-signal is analyzed, and alert；Flange state display（18）For receiving computer control system
（17）Information, and the state of high-temperature flange is shown；Warning device（20）For receiving computer control system
（17）The warning message sent, warning message will immediately trigger warning device（20）Alarm lamp flashes, and sends alarm sound letter
Number；Flange state operating key（19）For controlling the controlling switch before and after high-temperature flange.
3. a kind of high-temperature flange leakage monitor based on elasticity modulus according to claim 2, it is characterised in that：
The remote control center（21）Some high-temperature flanges can be monitored simultaneously.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510027423.7A CN104567790B (en) | 2015-01-20 | 2015-01-20 | A kind of high-temperature flange leakage monitor based on elasticity modulus |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510027423.7A CN104567790B (en) | 2015-01-20 | 2015-01-20 | A kind of high-temperature flange leakage monitor based on elasticity modulus |
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| Publication Number | Publication Date |
|---|---|
| CN104567790A CN104567790A (en) | 2015-04-29 |
| CN104567790B true CN104567790B (en) | 2017-09-26 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201510027423.7A Expired - Fee Related CN104567790B (en) | 2015-01-20 | 2015-01-20 | A kind of high-temperature flange leakage monitor based on elasticity modulus |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN107229778A (en) * | 2017-05-15 | 2017-10-03 | 武汉工程大学 | The compactness assessment method of high-temperature pipe bump joint |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| 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 |
| CN101476858B (en) * | 2009-01-21 | 2010-12-08 | 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 |
| CN104180740A (en) * | 2014-07-31 | 2014-12-03 | 武汉三惠敏实汽车零部件有限公司 | Flange angle detection structure and detection method of exhaust pipe |
| CN102564386B (en) * | 2011-12-19 | 2014-12-24 | 华东理工大学 | Double-shoulder high-temperature member deformation monitoring sensing device |
Family Cites Families (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP5500612B2 (en) * | 2011-09-28 | 2014-05-21 | ▲華▼▲東▼理工大学 | Extensometer for deformation expansion measurement of high temperature structures |
-
2015
- 2015-01-20 CN CN201510027423.7A patent/CN104567790B/en not_active Expired - Fee Related
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| 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 |
| CN101476858B (en) * | 2009-01-21 | 2010-12-08 | 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 |
| CN102564386B (en) * | 2011-12-19 | 2014-12-24 | 华东理工大学 | Double-shoulder high-temperature member deformation monitoring sensing device |
| CN104180740A (en) * | 2014-07-31 | 2014-12-03 | 武汉三惠敏实汽车零部件有限公司 | Flange angle detection structure and detection method of exhaust pipe |
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