CN107290431A - A kind of fiberglass-reinforced glass storage tank time limit detection method - Google Patents
A kind of fiberglass-reinforced glass storage tank time limit detection method Download PDFInfo
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- CN107290431A CN107290431A CN201710466480.4A CN201710466480A CN107290431A CN 107290431 A CN107290431 A CN 107290431A CN 201710466480 A CN201710466480 A CN 201710466480A CN 107290431 A CN107290431 A CN 107290431A
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- fiberglass
- storage tank
- reinforced glass
- glass storage
- time limit
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N29/00—Investigating or analysing materials by the use of ultrasonic, sonic or infrasonic waves; Visualisation of the interior of objects by transmitting ultrasonic or sonic waves through the object
- G01N29/04—Analysing solids
- G01N29/07—Analysing solids by measuring propagation velocity or propagation time of acoustic waves
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N29/00—Investigating or analysing materials by the use of ultrasonic, sonic or infrasonic waves; Visualisation of the interior of objects by transmitting ultrasonic or sonic waves through the object
- G01N29/04—Analysing solids
- G01N29/045—Analysing solids by imparting shocks to the workpiece and detecting the vibrations or the acoustic waves caused by the shocks
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N2291/00—Indexing codes associated with group G01N29/00
- G01N2291/02—Indexing codes associated with the analysed material
- G01N2291/023—Solids
- G01N2291/0232—Glass, ceramics, concrete or stone
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- Acoustics & Sound (AREA)
- Health & Medical Sciences (AREA)
- Life Sciences & Earth Sciences (AREA)
- Chemical & Material Sciences (AREA)
- Analytical Chemistry (AREA)
- Biochemistry (AREA)
- General Health & Medical Sciences (AREA)
- General Physics & Mathematics (AREA)
- Immunology (AREA)
- Pathology (AREA)
- Investigating Or Analyzing Materials By The Use Of Ultrasonic Waves (AREA)
- Measurement Of Mechanical Vibrations Or Ultrasonic Waves (AREA)
Abstract
The invention discloses a kind of fiberglass-reinforced glass storage tank time limit detection method, its technical scheme is step one, Acoustic radiating instrument sensor to be arranged on known fiberglass-reinforced glass storage tank tank body, beating point is determined；Step 2, is tapped using prefabricated percussion frock to the beating point of step one according to sound and vibration method；Step 3, measures to step one fiberglass tank body propagation characteristic, measurement result is entered into statistical analysis；Step 4, the sound and vibration signal velocity to glass fiber reinforced plastic tank body to be measured is measured, and service life is drawn according to the analysis result of step 3.The beneficial effects of the invention are as follows：Sound and vibration method is combined with Acoustic radiating instrument fiberglass-reinforced glass storage tank service life is measured, so as to reflect the life-span of fiberglass-reinforced glass storage tank, and will not fiberglass-reinforced glass storage tank body cause any harm, do not influence storage tank to use, ensure that the dynamics hit every time of sound and vibration method is impartial by specifically tapping frock.
Description
Technical field
The present invention relates to detection technique field, more particularly to a kind of fiberglass-reinforced glass storage tank time limit detection method.
Background technology
Glass fiber reinforced plastics composite material has that high-strength light, corrosion-resistant, good insulating, thermal insulation are good, designability is good, manufacturability
Excellent many advantages, such as, it is widely used in building trade, petrochemical industry, transportation, telecommunications and army's industry
Deng field, fiberglass-reinforced glass storage tank has reliable in quality, safety and stability, long-lived advantage, is used widely in oil field.But
It is that the easy aging of glass fiber reinforced plastics composite material, impact resistance is poor, often occurs crackle, delamination damage in use, causes composite wood
Expect that structural behaviour declines, heavy economic losses is caused when serious.Therefore, it is very to carry out safety verification to it in application process
It is necessary.
The time limit for fiberglass-reinforced glass storage tank detects the way generally by collection print at present, but thus to storage tank
Itself cause the injury of destructive.Sound emission non-destructive testing technology has the advantage of uniqueness in the detection of pressure vessel storage tank, and
It is abundant in metal tank context of detection research application achievements, and the correlative study of fiberglass-reinforced glass storage tank acoustic emission testing technology at present compared with
It is few.Glass-reinforced plastic material, which has acoustic wave signal decays rate higher and propagated, has anisotropy, and this also increases the lossless inspection of fiberglass
The technical difficulty of survey.To solve the problem run into practical application, it is necessary to grasp acoustic emission wave in different-thickness glass-reinforced plastic material
Basic acoustic feature could further carry out auditory localization etc. research, its basic acoustic feature specifically include velocity of wave, frequency,
The direction of propagation, spread speed, signal frequency.
The content of the invention
In order to meet the sound emission nondestructive inspection demand of fiberglass tank body, the embodiments of the invention provide a kind of glass
Steel tank time limit detection method.
Its technical scheme is：
A kind of fiberglass-reinforced glass storage tank time limit detection method,
Step one, Acoustic radiating instrument sensor is arranged on known fiberglass-reinforced glass storage tank tank body, beating point is determined；
Step 2, is tapped using prefabricated percussion frock to the beating point of step one according to sound and vibration method；
Step 3, measures to step one fiberglass tank body propagation characteristic, measurement result is entered into statistical analysis；
Step 4, the sound and vibration signal velocity to glass fiber reinforced plastic tank body to be measured is measured, according to the analysis of step 3
As a result service life is drawn；
Known fiberglass-reinforced glass storage tank and the fiberglass-reinforced glass storage tank that fiberglass-reinforced glass storage tank to be measured is material of the same race.
The sensor of Acoustic radiating instrument is fan-shaped arrangement method in step one,
S1, is optionally some beating point on the fiberglass-reinforced glass storage tank tank skin of step one；
S2, using beating point as the center of circle, the fiberglass-reinforced glass storage tank by sensor along step one is axially distributed six with linear array
Point position；
S3, after S2 distribution measuring is finished, by radial direction from the sensor of S2 cathetus array distributions to fiberglass-reinforced glass storage tank
Reverse 30 degree；
S4, repeats S3 operation, until the radial direction that the distribution arrangement for the sensor that linear array is distributed is fiberglass-reinforced glass storage tank
Direction.
In step 2, the frock generally form of a stroke or a combination of strokes, including outer sleeve 3, the one end of outer sleeve 3 connection conical shell 2, outer sleeve are tapped
Center-poles 1, the end thread of center-pole 1 connection attacking head are set in 3, and the middle part of outer sleeve 3 sets spring stop 6, attacking head it is interior
Spring 4 is set between side and spring stop 6, and spring 4 is socketed on center-pole 1, the other end attended operation button 10 of center-pole 1,
The middle part of center-pole 1 sets Stop-motion lock 7.
Stop-motion lock 7 is the body of rod, and it is vertical with center-pole 1 and is fixedly connected；Outer sleeve 3, overcoat are run through in the end of Stop-motion lock 7
On the housing of cylinder 3 neck 8 is correspondingly arranged with Stop-motion lock 7.
Percussion frequency in step 2 is 4-6 times per minute.
The fiberglass propagation characteristic measured in step 3, includes the measurement of propagation angle and spread speed.
Measurement result is entered into statistical analysis in step 3, curve is used for the result of the test that measures fiberglass propagation characteristic
It is fitted the spread speed-time limit multinomial drawn；The fitting formula contains time limit x and two variables of speed v.
Spread speed-time limit multinomial, contains time limit x and two variables of speed v.
Multinomial is v=4405.48-499.82x+60x2-2.82x3。
The beneficial effect that technical scheme provided in an embodiment of the present invention is brought is：Sound and vibration method is combined to glass with Acoustic radiating instrument
Glass steel tank service life is measured, so as to reflect the life-span of fiberglass-reinforced glass storage tank, and will not fiberglass-reinforced glass storage tank body cause
Any injury, does not influence storage tank to use, and the dynamics for ensureing that sound and vibration method is hit every time by specifically tapping frock is impartial.
Brief description of the drawings
Fig. 1 is the flow chart of the embodiment of the present invention.
Fig. 2 is that the embodiment of the present invention taps tool structure perspective view.
Fig. 3 is that the embodiment of the present invention taps frock top view.
Fig. 4 is different years storage tank sound and vibration signal velocity of wave matched curve figure of the embodiment of the present invention.
Fig. 5 is the different service life sound and vibration signal fitting curve maps of horizontal direction of the embodiment of the present invention.
Reference is, 1, center-pole；2nd, conical shell；3rd, outer sleeve；4th, spring；6th, spring stop；7th, Stop-motion lock；8th, block
Groove；10th, operating knob.
Embodiment
For this composite of fiberglass, traditional glass steel tank time limit detection technique is all asking for destructive detection
Topic, the present invention provides a kind of fiberglass-reinforced glass storage tank time limit detection method.
A kind of fiberglass-reinforced glass storage tank time limit detection method,
Step one, Acoustic radiating instrument sensor is arranged on known fiberglass-reinforced glass storage tank tank body, beating point is determined；
Step 2, is tapped using prefabricated percussion frock to the beating point of step one according to sound and vibration method；
Step 3, measures to step one fiberglass tank body propagation characteristic, measurement result is entered into statistical analysis；
Step 4, the sound and vibration signal velocity to glass fiber reinforced plastic tank body to be measured is measured, according to the analysis of step 3
As a result service life is drawn；
Known fiberglass-reinforced glass storage tank and the fiberglass-reinforced glass storage tank that fiberglass-reinforced glass storage tank to be measured is material of the same race.
The sensor of Acoustic radiating instrument is fan-shaped arrangement method in step one,
S1, is optionally some beating point on the fiberglass-reinforced glass storage tank tank skin of step one；
S2, using beating point as the center of circle, the fiberglass-reinforced glass storage tank by sensor along step one is axially distributed six with linear array
Point position；
S3, after S2 distribution measuring is finished, by radial direction from the sensor of S2 cathetus array distributions to fiberglass-reinforced glass storage tank
Reverse 30 degree；
S4, repeats S3 operation, until the radial direction that the distribution arrangement for the sensor that linear array is distributed is fiberglass-reinforced glass storage tank
Direction.
In step 2, the frock generally form of a stroke or a combination of strokes, including outer sleeve 3, the one end of outer sleeve 3 connection conical shell 2, outer sleeve are tapped
Center-poles 1, the end thread of center-pole 1 connection attacking head are set in 3, and the middle part of outer sleeve 3 sets spring stop 6, attacking head it is interior
Spring 4 is set between side and spring stop 6, and spring 4 is socketed on center-pole 1, the other end attended operation button 10 of center-pole 1,
The middle part of center-pole 1 sets Stop-motion lock 7.
Stop-motion lock 7 is the body of rod, and it is vertical with center-pole 1 and is fixedly connected；Outer sleeve 3, overcoat are run through in the end of Stop-motion lock 7
On the housing of cylinder 3 neck 8 is correspondingly arranged with Stop-motion lock 7.Neck 8 includes the rectangular shaped slot for the Stop-motion lock 7, and positioned at rectangle
Slotted eye side, the arc-shaped slot connected with rectangular shaped slot, arc-shaped slot array sets three.
Percussion frequency in step 2 is 4-6 times per minute.
The fiberglass propagation characteristic measured in step 3, includes the measurement of propagation angle and spread speed.
Measurement result is entered into statistical analysis in step 3, curve is used for the result of the test that measures fiberglass propagation characteristic
It is fitted the spread speed-time limit multinomial drawn；The fitting formula contains time limit x and two variables of speed v.
Spread speed-time limit multinomial, contains time limit x and two variables of speed v.
Multinomial is v=4405.48-499.82x+60x2-2.82x3。
Frock is tapped in use, pulling with hand operating knob 10, when Stop-motion lock 7 is moved to the arc-shaped slot position of neck 8,
Slightly rotating jacket cylinder 3, makes Stop-motion lock 7 be stuck in the arc-shaped slot of neck 8, the end of conical shell 2 then is against into fiberglass
Storage tank tank surface, rotates backward outer sleeve 3, or rotating operation button 10, and in the presence of spring 4, center-pole 1 is to glass fiber reinforced plastic tank
Body surface face completes a beat.
The measurement of different angle directions and sound and vibration spread speed, the data obtained are carried out to live fiberglass-reinforced glass storage tank propagation characteristic
As shown in figure 4, further data analysis is understood, sound on the storage tank of different service lives on fiberglass-reinforced glass storage tank circumferential level direction
Signal is propagated velocity of wave curve and reduced as service life increases, and there is obvious rule such as Fig. 5；Using the use of fiberglass-reinforced glass storage tank
Year is abscissa, and propagation velocity of wave is ordinate, and analysis establishes the different service life storage tank sound and vibration velocities of wave of horizontal direction and propagated
Model.
The foregoing is only presently preferred embodiments of the present invention, be not intended to limit the invention, it is all the present invention spirit and
Within principle, any modification, equivalent substitution and improvements made etc. should be included in the scope of the protection.
Claims (9)
1. a kind of fiberglass-reinforced glass storage tank time limit detection method, it is characterised in that：
Step one, Acoustic radiating instrument sensor is arranged on known fiberglass-reinforced glass storage tank tank body, beating point is determined；
Step 2, is tapped using prefabricated percussion frock to the beating point of step one according to sound and vibration method；
Step 3, measures to fiberglass tank body propagation characteristic described in step one, measurement result is entered into statistical analysis；
Step 4, the sound and vibration signal velocity to glass fiber reinforced plastic tank body to be measured is measured, according to the analysis result of step 3
Draw service life；
The known fiberglass-reinforced glass storage tank and the fiberglass-reinforced glass storage tank that fiberglass-reinforced glass storage tank to be measured is material of the same race.
2. fiberglass-reinforced glass storage tank time limit detection method according to claim 1, it is characterised in that
The sensor of Acoustic radiating instrument described in the step one is fan-shaped arrangement method,
S1, is optionally some beating point on the fiberglass-reinforced glass storage tank tank skin of the step one；
S2, using the beating point as the center of circle, the fiberglass-reinforced glass storage tank by sensor along the step one is axially distributed with linear array
Six point positions；
S3, after S2 distribution measuring is finished, the sensor of S2 cathetus array distributions is reversed to the radial direction of fiberglass-reinforced glass storage tank
30 degree；
S4, repeats S3 operation, until the radial direction that the distribution arrangement for the sensor that linear array is distributed is fiberglass-reinforced glass storage tank.
3. fiberglass-reinforced glass storage tank time limit detection method according to claim 1, it is characterised in that described in the step 2
Tap in being set in the frock generally form of a stroke or a combination of strokes, including outer sleeve (3), outer sleeve (3) one end connection conical shell (2), outer sleeve (3)
Spring stop (6), the strike are set in the middle part of core bar (1), center-pole (1) end thread connection attacking head, the outer sleeve (3)
Spring (4) is set between the medial surface and spring stop (6) of head, spring (4) is socketed on the center-pole (1), the center
Stop-motion lock (7) is set in the middle part of bar (1) other end attended operation button (10), the center-pole (1).
4. fiberglass-reinforced glass storage tank time limit detection method according to claim 3, it is characterised in that the Stop-motion lock (7) is bar
Body, it is vertical with the center-pole (1) and is fixedly connected；The outer sleeve (3), overcoat are run through in the end of the Stop-motion lock (7)
On the housing of cylinder (3) neck (8) is correspondingly arranged with the Stop-motion lock (7).
5. fiberglass-reinforced glass storage tank time limit detection method according to claim 1, it is characterised in that the percussion in the step 2
Frequency is 4-6 times per minute.
6. the fiberglass-reinforced glass storage tank time limit detection method according to claim 1-5, it is characterised in that measured in the step 3
Fiberglass propagation characteristic, include the measurement of propagation angle and spread speed.
7. fiberglass-reinforced glass storage tank time limit detection method according to claim 6, it is characterised in that will measurement in the step 3
As a result statistical analysis is entered, the propagation speed drawn for the result of the test that measures the fiberglass propagation characteristic using curve matching
Degree-time limit multinomial；The fitting formula contains time limit x and two variables of speed v.
8. fiberglass-reinforced glass storage tank time limit detection method according to claim 7, it is characterised in that the spread speed-time limit
Multinomial, contains time limit x and two variables of speed v.
9. fiberglass-reinforced glass storage tank time limit detection method according to claim 8, it is characterised in that the multinomial is v=
4405.48-499.82x+60x2-2.82x3。
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710466480.4A CN107290431B (en) | 2017-06-20 | 2017-06-20 | Method for detecting age limit of glass fiber reinforced plastic storage tank |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710466480.4A CN107290431B (en) | 2017-06-20 | 2017-06-20 | Method for detecting age limit of glass fiber reinforced plastic storage tank |
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| Publication Number | Publication Date |
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| CN107290431A true CN107290431A (en) | 2017-10-24 |
| CN107290431B CN107290431B (en) | 2020-03-06 |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN109959709A (en) * | 2019-03-06 | 2019-07-02 | 中国建筑科学研究院有限公司 | Sealant damage identification method for boundary structure of full-hidden frame glass curtain wall |
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| CN109959709A (en) * | 2019-03-06 | 2019-07-02 | 中国建筑科学研究院有限公司 | Sealant damage identification method for boundary structure of full-hidden frame glass curtain wall |
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