CN105158344B - Storage tank bottom plate corrodes built-in acoustic emission detection system - Google Patents
Storage tank bottom plate corrodes built-in acoustic emission detection system Download PDFInfo
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- CN105158344B CN105158344B CN201510606525.4A CN201510606525A CN105158344B CN 105158344 B CN105158344 B CN 105158344B CN 201510606525 A CN201510606525 A CN 201510606525A CN 105158344 B CN105158344 B CN 105158344B
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- oil
- acoustic emission
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- straightener
- aluminium
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- 238000003860 storage Methods 0.000 title claims abstract description 32
- 238000001514 detection method Methods 0.000 title claims abstract description 20
- 230000007246 mechanism Effects 0.000 claims abstract description 24
- 238000009499 grossing Methods 0.000 claims abstract description 22
- 238000012946 outsourcing Methods 0.000 claims abstract description 4
- 238000007790 scraping Methods 0.000 claims description 17
- 239000013527 degreasing agent Substances 0.000 claims description 13
- 238000007789 sealing Methods 0.000 claims description 12
- 210000004907 gland Anatomy 0.000 claims description 10
- 230000037452 priming Effects 0.000 claims description 9
- 230000007797 corrosion Effects 0.000 abstract description 11
- 238000005260 corrosion Methods 0.000 abstract description 11
- 238000007689 inspection Methods 0.000 abstract description 5
- 239000003638 chemical reducing agent Substances 0.000 abstract description 2
- 239000003921 oil Substances 0.000 description 47
- 235000019198 oils Nutrition 0.000 description 47
- 239000010779 crude oil Substances 0.000 description 7
- 238000000034 method Methods 0.000 description 4
- 238000012544 monitoring process Methods 0.000 description 4
- 238000004140 cleaning Methods 0.000 description 3
- 238000010586 diagram Methods 0.000 description 3
- 239000000446 fuel Substances 0.000 description 3
- 238000012545 processing Methods 0.000 description 3
- 229910052782 aluminium Inorganic materials 0.000 description 2
- 230000008859 change Effects 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 238000005516 engineering process Methods 0.000 description 2
- 238000004880 explosion Methods 0.000 description 2
- 230000036541 health Effects 0.000 description 2
- 230000008569 process Effects 0.000 description 2
- 230000035945 sensitivity Effects 0.000 description 2
- 230000005540 biological transmission Effects 0.000 description 1
- 230000008878 coupling Effects 0.000 description 1
- 238000010168 coupling process Methods 0.000 description 1
- 238000005859 coupling reaction Methods 0.000 description 1
- 238000005238 degreasing Methods 0.000 description 1
- 238000006073 displacement reaction Methods 0.000 description 1
- 239000008157 edible vegetable oil Substances 0.000 description 1
- 238000002474 experimental method Methods 0.000 description 1
- 239000004744 fabric Substances 0.000 description 1
- 238000011900 installation process Methods 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 239000011159 matrix material Substances 0.000 description 1
- 238000002360 preparation method Methods 0.000 description 1
- 238000004064 recycling Methods 0.000 description 1
- 239000007921 spray Substances 0.000 description 1
- 238000012360 testing method Methods 0.000 description 1
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- Investigating Or Analyzing Materials By The Use Of Ultrasonic Waves (AREA)
Abstract
The present invention relates to storage tank bottom plate to corrode built-in acoustic emission detection system,This storage tank bottom plate corrosion acoustic emission detection system includes motor,Disk line car,Straightener,Oil removing mechanism,Acoustic emission sensor,Depth gauge,Motor via reducer structure connects active roll,Oil removing mechanism is fixed under support,Positioned at the lower section of active roll,Active roll is arranged on the bottom of straightener,Disk line car is arranged on the side of straightener,The signal cable of outsourcing aluminium-plastic pipe is wrapped on the disk line roller of disk line car,Signal cable top connects capture card,After aluminium-plastic pipe is around the directive wheel of straightener,Passed through between the smoothing roll of straightener,Again successively between active roll,Passed in oil removing mechanism,Signal cable end is by being connected to the two-way elbow of aluminium-plastic pipe,It is connected with the acoustic emission sensor in sensor box,The opposite side connection depth gauge of two-way elbow.The present invention solves the problems, such as easily occur that tank center region acoustic emission signal is faint, is easy to miss inspection.
Description
Technical field
The present invention relates to the device detected to storage tank, and in particular to storage tank bottom plate corrodes built-in acoustic emission detection dress
Put.
Background technology
Traditional sound emission tank bottom detection technique is to carry out quilt acoustic emission sensor is coupling on storage tank shell to be checked
Interesting to listen to sound, signal are transferred to progress host computer processing data on external Acoustic radiating instrument by transmission cable again.Due to bottom of storage tank
The corrosion signal propagation path of plate reaches storage tank shell by crude oil, then is received by acoustic emission sensor, is mixed with very in signal
More noise signals.Simultaneously because in relatively limited environment, multi-path effect also has significant effect to the signal received, because
This to corrosion area be accurately positioned in this case causes great obstacle.Especially large-scale storage tank Corrosion of base plate is damaged
Health monitoring is carried out, the problem of central area acoustic emission signal is faint, is easy to miss inspection easily occurs.
The content of the invention
It is an object of the invention to provide storage tank bottom plate to corrode acoustic emission detection system, this storage tank bottom plate corrosion sound emission inspection
Survey device and be used to solving traditional sound emission tank bottom detection technique and be likely to occur that central area acoustic emission signal is faint, is easy to miss inspection
Problem.
The technical solution adopted for the present invention to solve the technical problems is：This storage tank bottom plate corrodes acoustic emission detection system
Including motor, disk line car, straightener, oil removing mechanism, acoustic emission sensor, depth gauge, motor is rack-mount, and motor passes through
Reducing gear connects active roll, and oil removing mechanism is fixed under support, and oil removing mechanism is located at the lower section of active roll, active roll
Installed in the bottom of straightener, disk line car is arranged on the side of straightener, and the signal cable of outsourcing aluminium-plastic pipe is wrapped in disk line car
Disk line roller on, signal cable top connection capture card, aluminium-plastic pipe around straightener directive wheel after, from the smoothing roll of straightener
Between pass through, then passed successively between active roll, in oil removing mechanism, signal cable end is by being connected to the two-way curved of aluminium-plastic pipe
Head, it is connected with the acoustic emission sensor in sensor box, the opposite side connection depth gauge of two-way elbow.
Oil removing mechanism includes outer barrel, the both ends Jun You outward flanges of outer barrel, the upper port stationary annular of outer barrel in such scheme
Shower, the degreaser sprayed from shower are ejected on the aluminium-plastic pipe passed through from outer barrel, and hairbrush is distributed on outer tube inner wall,
Oil wiper is arranged on the bottom of outer barrel, and hairbrush is between shower and oil wiper, shower connection self priming pump, self priming pump connection
Fuel reserve tank；Oil wiper is formed by scraping oil box, sealing ring, seal box, oil-scraping ring, positioning sleeve, gland, and it is with open end to scrape oil box
Cylindrical body, open end has outward flange, and scraping the box top of oil box has centre bore, and sealing ring is buckled in the box for scraping oil box by seal box
Top, sealing ring are located at central hole, and seal box also has centre bore, and positioning sleeve is between gland and seal box, positioning sleeve center
Have an oil-scraping ring, gland, scrape oil box outward flange, outer barrel outward flange is bolted.
Straightener is made up of cabinet, directive wheel, smoothing roll, governor motion in such scheme, and directive wheel is arranged on cabinet
Upper end, smoothing roll be in being arranged on directive wheel below, one in each pair smoothing roll is fixed on cabinet, another smoothing roll and
Adjusting handle installed in cabinet side connects.
The invention has the advantages that：
1st, acoustic emission sensor is deep into storage tank by the present invention, forms array with the sensor of storage tank outer wall arrangement, altogether
With monitoring storage tank bottom plate corrosion damage, region overlay area is added, reduces external interference, improves the sensitivity and monitoring of detection
Reliability, more effectively evaluate storage tank bottom plate corrosion damage；Using storage tank acoustic emission detection sensor array method, to large-scale
Storage tank bottom plate corrosion damage carries out health monitoring, solves and easily occurs that tank center region acoustic emission signal is faint, is easy to miss inspection
The problem of.
2nd, oil removing mechanism by degreaser oil removing, two step oil removings of oil-scraping ring oil removing, removes crude oil, protection dress in the present invention
Put；Degreaser oil removing is realized that cleaning is thorough by the common cooperation of degreaser and hairbrush, and cleaning efficiency is high.
3rd, the present invention drives active roll by motor and speed reducer structure, and two-wheeled coordinates, and drives aluminium-plastic pipe, realizes plastic-aluminum
The automatic lifting of pipe, manual operation is reduced, realize automation.
4th, aligning, signal cable and acoustic emission sensor are transferred gathered data by the present invention, oil removing is organically incorporated in one
Rise, acoustic emission sensor can launch a certain position of tank inside bottom plate, with coordinating the present invention in the biography of storage tank outer wall arrangement
Sensor array monitors storage tank bottom plate etch state jointly, and the oil being stained with by oil removing mechanism removing plastic-aluminum tube wall, detection is sensitive can
Lean on, conveniently, it is easy.
Brief description of the drawings
Fig. 1 is the front view of the present invention；
Fig. 2 is the side view of the present invention；
Fig. 3 is the top view of the present invention；
Fig. 4 is the schematic diagram of governor motion in the present invention；
Fig. 5 is M-M profiles in Fig. 4；
Fig. 6 is the schematic diagram of oil removing mechanism in the present invention；
Fig. 7 is F-F profiles in Fig. 6；
Fig. 8 is the structural representation of oil wiper in the present invention；
Fig. 9 is the schematic diagram of active roll in the present invention.
In figure：1 motor；2 straighteners；3 oil removing mechanisms；4 acoustic emission sensors；5 depth gauges；6 supports；7 active rolls；8
Disk line car；9 disk line rollers；10 outer barrels；11 showers；12 hairbrush；13 self priming pumps；14 fuel reserve tanks；15 scrape oil box；16 sealing rings；17
Seal box；18 oil-scraping rings；19 positioning sleeves；20 glands；21 cabinets；22 directive wheels；23 adjusting handles；24 smoothing rolls；25 aluminium-plastic pipes；
26 sensor boxes；27 fixtures；28 valve seats.
Embodiment
The present invention is further illustrated below in conjunction with the accompanying drawings：
With reference to shown in Fig. 1, Fig. 2, Fig. 3, this storage tank bottom plate corrosion acoustic emission detection system include motor 1, disk line car 8,
Straightener 2, oil removing mechanism 3, acoustic emission sensor 4, depth gauge 5, motor 1 are installed on the frame 6, and motor 1 selects three-phase cage
Asynchronous motor, motor 1 connect active roll 7 by reducing gear, and oil removing mechanism 3 is fixed under support 6, positioned at active roll
7 lower section, the aluminium-plastic pipe 25 after aligning are rectified after active roll 7 vertically into oil removing mechanism 3, active roll 7 is arranged on
The bottom of straight machine 2, active roll 7 is as shown in fig.9, disk line car 8 is arranged on the side of straightener 2, the letter of outsourcing aluminium-plastic pipe 25
Number cable winds are on the disk line roller 9 of disk line car 8, signal cable top connection capture card, the roller card of disk line car 8 on the frame 6,
The hand folding and unfolding for realizing aluminium-plastic pipe 25 can be passed through（Also motor belt motor Moving plate line car can be passed through）, accelerate experiment progress；Aluminium-plastic pipe 25 around
After crossing the directive wheel 22 of straightener 2, passed through between the smoothing roll 24 of straightener 2, then successively between active roll 7, oil removing mechanism 3
In pass, signal cable end is passed by being connected to the two-way elbow of aluminium-plastic pipe 25 with the sound emission in sensor box 26
Sensor 4 is connected, and two-way elbow side connects sensor box 26, and the sensor box 26 passes through technological processing for explosion protection feature, two-way elbow it is another
Side connects depth gauge 5.Each part transferred in the present invention in storage tank is required to do technological processing for explosion protection feature using known technology.Motor 1
Drive active roll 7 to rotate, acoustic emission sensor 4 and depth gauge 5 are transferred into tank bottom detection, again by sound after detection
Emission sensor 4 and depth gauge 5 propose storage tank.
Refering to shown in Fig. 6, Fig. 7, oil removing mechanism 3 includes outer barrel 10, the both ends Jun You outward flanges of outer barrel 10, under outer barrel 10
Port stationary annular shower 11, tube wall perforate is sprayed, the degreaser sprayed from shower 11 is ejected into be passed through from outer barrel 10
Aluminium-plastic pipe 25 on, to the edible vegetable oil of aluminium-plastic pipe 25, hairbrush 12 is distributed on the inwall of outer barrel 10, and hairbrush 12 is engaged with shower 11,
The aluminium-plastic pipe 25 for having sprayed degreaser is brushed immediately, can effectively remove the oil being stained with aluminium-plastic pipe 25.Oil wiper is arranged on
The bottom of outer barrel 10, for hairbrush 12 between shower 11 and oil wiper, shower 11 connects self priming pump 13, and self priming pump 13 connects
Fuel reserve tank 14, self priming pump 13 select drip pump BSP-S series；Refering to Fig. 8, oil wiper is by scraping oil box 15, sealing ring 16, close
Jacket 17, oil-scraping ring 18, positioning sleeve 19, gland 20 are formed, and it is the cylindrical body with open end to scrape oil box 15, and open end has outer
Edge, scraping the box top of oil box 15 has centre bore, and sealing ring 16 is buckled in the box top for scraping oil box 15, sealing ring 16 by seal box 17
In central hole, seal box 17 also has centre bore, and between gland 20 and seal box 17, the center of positioning sleeve 19 has positioning sleeve 19
Oil-scraping ring 18, gland 20, scrape the outward flange of oil box 15, the outward flange of outer barrel 10 is bolted.
After the completion of detection, aluminium-plastic pipe 25 is extracted out from storage tank, and outside wall surface is stained with crude oil, should be recycled.Recycling
Remain stuck to the crude oil of pipe outer wall not easy cleaning afterwards, if do not processed, can polluting device, not readily transportable and secondary use, and
And corrosion device.So the present invention designs a set of degreasing unit, crude oil, protection device are removed.It is divided into two step oil removings, first, scraping
The oil removing of oil ring 18, second, degreaser oil removing.The oil removing of oil-scraping ring 18 belongs to first step oil removing, removes the outer most of crude oil of pipe and returns
Receive, by the cooperation of oil-scraping ring 18 and sealing ring 16, remove the crude oil of pipe outer wall, prevent from entering in device.Degreaser oil removing master
This operation is realized by the common cooperation of degreaser and hairbrush 12.Degreaser, to center spray, is sprayed by annular nozzle
Head is arranged on the inside of annulus, is uniformly distributed.Degreaser is circulated by circulating pump.
Straightener 2 is made up of cabinet 21, directive wheel 22, smoothing roll 24, governor motion, and directive wheel 22 is arranged on cabinet 21
Upper end, smoothing roll 24 are in that one in each pair smoothing roll 24 is fixed on cabinet 21 to being arranged on below directive wheel 22, another
Smoothing roll 24 is connected with the adjusting handle 23 installed in the side of cabinet 21, by the angle change of indent among two rollers to aluminium-plastic pipe
25 are aligned.Smoothing roll 24 has three pairs in present embodiment, six smoothing rolls, 24 3 rows, totally two rows, wherein a row is
Fixed, each smoothing roll 24 in another row is connected with adjusting handle 23.Governor motion is adjusted refering to shown in Fig. 4, Fig. 5
Mechanism is made up of valve seat, adjusting rod, fixture, adjusting handle 23, and valve seat is fixed on cabinet 21, and fixture is fixed on valve seat
On, adjusting rod is threadedly coupled with fixture, and adjusting rod is fixed together after passing through valve seat with adjusting handle 23, passes through straightener 2
Rotary motion is changed into moving along a straight line, that is, operation torque is changed into operation thrust, adjusting handle 23, which rotates, drives adjusting rod
Motion, and move smoothing roll 24.It can be finely adjusted, change the trend of aluminium-plastic pipe 25, improve right and wrong degree.
This storage tank bottom plate corrodes the method that built-in acoustic emission detection system is detected to storage tank bottom plate corrosion；
First, installation process：Signal cable is penetrated in aluminium-plastic pipe 25 first, reserves connector lug, then by aluminium-plastic pipe 25
It is wrapped on disk line car 8；By aluminium-plastic pipe, 25 1 are stretched into straightener 2, through oil removing mechanism 3, are preconditioned, pass through regulation
Handwheel 23 changes the position between smoothing roll 24, clamps the tube wall of aluminium-plastic pipe 25.Acoustic emission sensor 4 and depth gauge 5 are finally installed, will
Acoustic emission sensor 4 is connected with signal cable, is put into sensor box 26, is fixed, and sensor box 26 connects with two-way elbow
Connect, two-way elbow opposite side connects depth gauge 5；To coordinate the present invention, it is necessary to which storage tank outer wall waits height close to the position of bottom plate
Cloth one encloses acoustic emission sensor.
2nd, decentralization process：After device debugging, preparation starts to detect, and switches on power, and starts motor 1, active roll 7
Drive aluminium-plastic pipe 25 is descending, and sensor box 26 starts to move down, it is determined that the vertical displacement of launched acoustic emission sensor 4, leads to
The test of acoustical material feature matrix is crossed, it is determined that the horizontal level of launched acoustic emission sensor and sensitivity, are eventually arrived at predetermined
Position, start to detect；
3rd, process is withdrawn：After the completion of data acquisition, self priming pump 13 is opened, degreaser is sprayed, sensing is made by manual setter
Device.
Claims (2)
1. a kind of storage tank bottom plate corrodes built-in acoustic emission detection system, it is characterised in that：This storage tank bottom plate corrodes sound emission
Detection means includes motor（1）, disk line car（8）, straightener（2）, oil removing mechanism（3）, acoustic emission sensor（4）, depth gauge
（5）, motor（1）Installed in support（6）On, motor（1）Active roll is connected by reducing gear（7）, oil removing mechanism（3）It is fixed
In support（6）Under, oil removing mechanism（3）Positioned at active roll（7）Lower section, active roll（7）Installed in straightener（2）Under
Portion, disk line car（8）It is arranged on straightener（2）Side, outsourcing aluminium-plastic pipe（25）Signal cable be wrapped in disk line car（8）Disk
Line roller（9）On, signal cable top connection capture card, aluminium-plastic pipe（25）Around straightener（2）Directive wheel（22）Afterwards, from aligning
Machine（2）Smoothing roll（24）Between pass through, then successively from active roll（7）Between, oil removing mechanism（3）In pass, signal cable end
By being connected to aluminium-plastic pipe（25）Two-way elbow, and positioned at sensor box（26）Interior acoustic emission sensor（4）It is connected, it is two-way
The opposite side connection depth gauge of elbow（5）;Oil removing mechanism（3）Including outer barrel（10）, outer barrel（10）Both ends Jun You outward flanges,
Outer barrel（10）Upper port stationary annular shower（11）, from shower（11）The degreaser of ejection is ejected into from outer barrel（10）In
The aluminium-plastic pipe passed through（25）On, hairbrush（12）It is distributed on outer barrel（10）On inwall, oil wiper is arranged on outer barrel（10）Bottom, hair
Brush（12）Positioned at shower（11）Between oil wiper, shower（11）Connect self priming pump（13）, self priming pump（13）Connect oil storage
Case（14）；Oil wiper is by scraping oil box（15）, sealing ring（16）, seal box（17）, oil-scraping ring（18）, positioning sleeve（19）, gland
（20）Form, scrape oil box（15）For the cylindrical body with open end, open end has outward flange, scrapes oil box（15）Box top have
Centre bore, seal box（17）By sealing ring（16）It is buckled in and scrapes oil box（15）Box top, sealing ring（16）Positioned at central hole, sealing
Box（17）Also there are centre bore, positioning sleeve（19）Positioned at gland（20）With seal box（17）Between, positioning sleeve（19）There is frizing at center
Ring（18）, gland（20）, scrape oil box（15）Outward flange, outer barrel（10）Outward flange is bolted.
2. storage tank bottom plate according to claim 1 corrodes built-in acoustic emission detection system, it is characterised in that：Described rectifys
Straight machine is by cabinet（21）, directive wheel（22）, smoothing roll（24）, governor motion composition, directive wheel（22）Installed in cabinet（21）'s
Upper end, smoothing roll（24）In to being arranged on directive wheel（22）Lower section, each pair smoothing roll（24）In one be fixed on cabinet（21）
On, another smoothing roll（24）With installed in cabinet（21）The adjusting handle of side（23）Connection.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510606525.4A CN105158344B (en) | 2015-09-22 | 2015-09-22 | Storage tank bottom plate corrodes built-in acoustic emission detection system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510606525.4A CN105158344B (en) | 2015-09-22 | 2015-09-22 | Storage tank bottom plate corrodes built-in acoustic emission detection system |
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| Publication Number | Publication Date |
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| CN105158344A CN105158344A (en) | 2015-12-16 |
| CN105158344B true CN105158344B (en) | 2018-03-30 |
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| CN201510606525.4A Expired - Fee Related CN105158344B (en) | 2015-09-22 | 2015-09-22 | Storage tank bottom plate corrodes built-in acoustic emission detection system |
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Families Citing this family (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109307715B (en) * | 2017-11-16 | 2021-04-13 | 中国石油化工股份有限公司 | Active and passive acoustic fusion detection method for storage tank bottom plate |
| CN109307712B (en) * | 2017-11-16 | 2021-06-25 | 中国石油化工股份有限公司 | Active and passive acoustic fusion based storage tank bottom plate global detection method |
| CN109374749B (en) * | 2018-11-13 | 2021-08-06 | 东北石油大学 | Detecting and throwing device in storage tank based on acoustic emission technology |
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| CN2366263Y (en) * | 1999-05-05 | 2000-03-01 | 李越红 | Equipment for producing layered aluminium-plastic plate with honeycomb sandwich core |
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| NO313924B1 (en) * | 2000-11-02 | 2002-12-23 | Agr Services As | Flushing tool for internal cleaning of vertical riser, as well as method for the same |
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2015
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|---|---|---|---|---|
| CN1232903A (en) * | 1999-03-10 | 1999-10-27 | 张国梁 | Constructing equipment for pile with branch and/or bearing tray |
| CN2366263Y (en) * | 1999-05-05 | 2000-03-01 | 李越红 | Equipment for producing layered aluminium-plastic plate with honeycomb sandwich core |
| CN2383598Y (en) * | 1999-06-03 | 2000-06-21 | 李少恩 | Straightener |
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| CN105158344A (en) | 2015-12-16 |
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| CB03 | Change of inventor or designer information |
Inventor after: Zhang Ying Inventor after: Qiu Feng Inventor after: Cong Rui Inventor after: Chen Xiaolong Inventor after: Zhang Wei Inventor after: Li Yue Inventor before: Zhang Ying Inventor before: Qiu Feng Inventor before: Dai Guang Inventor before: Huang Yuanhang Inventor before: Liang Kun Inventor before: Zou Shuo |
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| TR01 | Transfer of patent right |
Effective date of registration: 20191217 Address after: 314200 rolling wheel Industrial Park, Pinghu, Zhejiang, Jiaxing Patentee after: Pinghu xifengda metal products Co.,Ltd. Address before: 163319 No. 199, development road, hi tech Development Zone, Heilongjiang, Daqing Patentee before: Northeast Petroleum University |
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| TR01 | Transfer of patent right | ||
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Granted publication date: 20180330 |