CN104330538B - High-efficiency method for detecting oil content on outer surface of pipe - Google Patents
High-efficiency method for detecting oil content on outer surface of pipe Download PDFInfo
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- CN104330538B CN104330538B CN201410719637.6A CN201410719637A CN104330538B CN 104330538 B CN104330538 B CN 104330538B CN 201410719637 A CN201410719637 A CN 201410719637A CN 104330538 B CN104330538 B CN 104330538B
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- Prior art keywords
- oil content
- pipeline section
- container
- detection method
- pipe outer
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- 238000000034 method Methods 0.000 title abstract description 9
- 238000001514 detection method Methods 0.000 claims abstract description 38
- 238000004506 ultrasonic cleaning Methods 0.000 claims abstract description 15
- 239000007788 liquid Substances 0.000 claims abstract description 10
- 239000012530 fluid Substances 0.000 claims description 13
- 238000004804 winding Methods 0.000 claims description 11
- 238000005452 bending Methods 0.000 claims description 8
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Chemical compound O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims description 4
- 239000002904 solvent Substances 0.000 claims description 3
- 239000012153 distilled water Substances 0.000 claims description 2
- VZGDMQKNWNREIO-UHFFFAOYSA-N carbon tetrachloride Substances ClC(Cl)(Cl)Cl VZGDMQKNWNREIO-UHFFFAOYSA-N 0.000 claims 1
- 230000000694 effects Effects 0.000 abstract description 6
- 238000004140 cleaning Methods 0.000 abstract description 4
- 238000000605 extraction Methods 0.000 abstract 1
- 239000002699 waste material Substances 0.000 abstract 1
- 239000003921 oil Substances 0.000 description 34
- 238000005266 casting Methods 0.000 description 4
- 238000005260 corrosion Methods 0.000 description 3
- 230000007797 corrosion Effects 0.000 description 3
- 239000002253 acid Substances 0.000 description 2
- 238000010586 diagram Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- ZZUFCTLCJUWOSV-UHFFFAOYSA-N furosemide Chemical compound C1=C(Cl)C(S(=O)(=O)N)=CC(C(O)=O)=C1NCC1=CC=CO1 ZZUFCTLCJUWOSV-UHFFFAOYSA-N 0.000 description 1
- BGOFCVIGEYGEOF-UJPOAAIJSA-N helicin Chemical compound O[C@@H]1[C@@H](O)[C@H](O)[C@@H](CO)O[C@H]1OC1=CC=CC=C1C=O BGOFCVIGEYGEOF-UJPOAAIJSA-N 0.000 description 1
- 230000007062 hydrolysis Effects 0.000 description 1
- 238000006460 hydrolysis reaction Methods 0.000 description 1
- 230000003116 impacting effect Effects 0.000 description 1
- 230000010358 mechanical oscillation Effects 0.000 description 1
- 238000011112 process operation Methods 0.000 description 1
- 230000005855 radiation Effects 0.000 description 1
Landscapes
- Investigating Or Analyzing Materials By The Use Of Ultrasonic Waves (AREA)
Abstract
The invention discloses a method for detecting the oil content on the outer surface of a high-efficiency pipe, which comprises the following steps: 1) intercepting a pipe section to be detected; 2) placing the pipe section in a container, wherein an extraction liquid for dissolving oil is added into the container; 3) placing the container with the pipe section in an ultrasonic cleaning device for ultrasonic cleaning; 4) and taking out the liquid in the container, and detecting and calculating the oil content. The method for detecting the oil content on the outer surface of the high-efficiency pipe avoids time and labor waste of a pouring method, and improves the detection efficiency; and moreover, ultrasonic cleaning is adopted, so that the effect of cleaning oil on the outer surface of the high-efficiency pipe is improved, and the detection precision is effectively improved.
Description
Technical field
The present invention relates to detection method technical field, particularly a kind of high-efficiency pipe outer surface oil content detectsMethod.
Background technology
High-efficiency pipe outer surface has fluid, leakes water in the outside of high-efficiency pipe. In the environment that has water, the oils utmost pointEasily hydrolysis produces acid ion, and acid ion is the key factor that causes ant nest corrosion.
Therefore, high-efficiency pipe outer surface oil content number determining the degree of ant nest corrosion. High in order to improveIn the service life of effect pipe, need to control the oil content content of high-efficiency pipe outer surface, and then reduce ant nest corrosion and send outRaw probability. In order to control the oil content content of high-efficiency pipe outer surface, need to detect high-efficiency pipe outer surface oil content,So that draw the optimum oil content of high-efficiency pipe outer surface.
At present, the detection method of high-efficiency pipe outer surface oil content is casting. The hand-held detector tube of operating personnelSection, in pipeline section, collects the solution that cleaned pipeline section by the solution casting for dissolving fluid, draws itMiddle fluid content. But this kind of method had relatively high expectations to operating personnel's, operating personnel's operating efficiencyLower; And, cannot ensure the fluid of the outer surface of high-efficiency pipe all to wash down, make high-efficiency pipeOuter surface oil content cannot accurately draw, accuracy of detection is not high.
Therefore, how improving detection efficiency and accuracy of detection, is urgently to be resolved hurrily the asking of the art personnelTopic.
Summary of the invention
In view of this, the invention provides a kind of high-efficiency pipe outer surface oil content detection method, improve and detectEfficiency and accuracy of detection.
For achieving the above object, the invention provides following technical scheme:
A kind of high-efficiency pipe outer surface oil content detection method, comprises step:
1) intercept pipeline section to be detected;
2) described pipeline section is placed in to container, in described container, is added with the extract for dissolving fluid;
3) will claim that the described container that described pipeline section is housed is placed in ultrasonic cleaning apparatus, carry out ultrasonic wave clearWash;
4) take out the liquid in described container, detect and calculate oil content content.
Preferably, in above-mentioned high-efficiency pipe outer surface oil content detection method, described step 1) in, operatorMember is matched oil-free plastic gloves and is carried out pipeline section intercepting.
Preferably, in above-mentioned high-efficiency pipe outer surface oil content detection method, described step 1) in, interceptingLength of pipe section to be detected is L ', and two gauge points are set on described pipeline section, two described gauge points itBetween distance be L, the distance of end that two described gauge points arrive nearest described pipeline section is identical;
Described step 2) in, the pipeline section part bending between two described gauge points is placed on to described containerIn, the liquid level of described extract aligns with two described gauge points.
Preferably, in above-mentioned high-efficiency pipe outer surface oil content detection method, described step 2) in, two institutesThe pipeline section part of stating between gauge point is bent into helical form.
Preferably, in above-mentioned high-efficiency pipe outer surface oil content detection method, described step 2) in, two institutesThe pipeline section part of stating between gauge point is bent into helical form by winding tool;
Described winding tool comprises cylindrical body and is arranged at the helicla flute on described cylindrical body, described spiral shellThe center line of spin slot overlaps with the center line of described cylindrical body.
Preferably, in above-mentioned high-efficiency pipe outer surface oil content detection method, described winding tool also comprises useIn fixing ring flange, described ring flange is positioned at the end of described cylindrical body, on described ring flange, arrangesThere is the fixing hole passing for bolt.
Preferably, in above-mentioned high-efficiency pipe outer surface oil content detection method, the value of described length of pipe section L 'Scope is 1300 ± 5mm; The span of the distance L between two described gauge points is 1000 ± 5mm.
Preferably, in above-mentioned high-efficiency pipe outer surface oil content detection method, described step 2) in, described extractionGetting liquid is S-316 solvent or CCL4 solution.
Preferably, in above-mentioned high-efficiency pipe outer surface oil content detection method, described step 2) also comprise beforeStep 12): by the oil content in extract clean container, then clean described container with distilled water.
Preferably, in above-mentioned high-efficiency pipe outer surface oil content detection method, described step 3) in, described superThe time that sound wave cleans is 30 minutes.
Can find out high-efficiency pipe outer surface oil content detection side provided by the invention from above-mentioned technical schemeMethod, avoids wasting time and energy of casting, has improved detection efficiency; And, adopt Ultrasonic Cleaning, carryHigh effect of cleaning the fluid of high-efficiency pipe outer surface, has improved accuracy of detection effectively.
Brief description of the drawings
In order to be illustrated more clearly in the embodiment of the present invention or technical scheme of the prior art, below will be to realityThe accompanying drawing of executing required use in example or description of the Prior Art is briefly described, apparently, belowAccompanying drawing in description is only some embodiments of the present invention, for those of ordinary skill in the art,Do not paying under the prerequisite of creative work, can also obtain according to these accompanying drawings other accompanying drawing.
The schematic flow sheet of the high-efficiency pipe outer surface oil content detection method that Fig. 1 provides for the embodiment of the present invention;
The schematic flow sheet of the winding tool that Fig. 2 provides for the embodiment of the present invention.
Detailed description of the invention
The invention discloses a kind of high-efficiency pipe outer surface oil content detection method, improve detection efficiency and detectionPrecision.
Below in conjunction with the accompanying drawing in the embodiment of the present invention, the technical scheme in the embodiment of the present invention is carried outDescribe clearly and completely, obviously, described embodiment is only the present invention's part embodiment, andNot whole embodiment. Based on the embodiment in the present invention, those of ordinary skill in the art are not doingGo out the every other embodiment obtaining under creative work prerequisite, all belong to the scope of protection of the invention.
Please refer to Fig. 1, the flow process of the high-efficiency pipe outer surface oil content detection method providing for the embodiment of the present inventionSchematic diagram.
The embodiment of the present invention provides a kind of high-efficiency pipe outer surface oil content detection method, comprises step:
S1: intercept pipeline section to be detected;
The pipe that need to detect outer surface oil content intercepts one section of pipeline section by artificial or machinery.
S2: pipeline section is placed in to container, is added with the extract for dissolving fluid in container;
The extract of the fluid of the outer surface for dissolving pipeline section is made an addition to container, then by the pipe interceptingSection is placed in container. Also can first the pipeline section of intercepting be placed in to container, then add for molten in containerSeparate the extract of the fluid of the outer surface of pipeline section.
S3: by claiming the container that pipeline section is housed to be placed in ultrasonic cleaning apparatus, carry out Ultrasonic Cleaning;
By claiming the container that pipeline section is housed to be placed in ultrasonic cleaning apparatus, start ultrasonic cleaning apparatus, heightFrequently oscillator signal changes into high frequency mechanical oscillation (ultrasonic wave) by the ultrasonic transducer of ultrasonic cleaning apparatusPropagate in the extract of container, the radiation by ultrasonic wave in extract, produces the vibration of extractRaw a large amount of smile bubbles, the negative pressuren zone that these bubbles form in ultrasonic wave longitudinal propagation produces and grows,And zone of positive pressure rapid closing, in this process that is called as cavitation effect, micro-bubble closed type can be producedLife exceedes 1000 atmospheric instantaneous pressures, by impacting the surface of pipeline section, makes the surperficial oil of pipeline sectionLiquid is dissolved in extract.
S4: take out the liquid in container, detect and calculate oil content content;
Wherein, in the present embodiment, manage outer resid amount=measured value (mg/L) × 2 × retarder thinner capacity(50ml)×10-3The effective length (m) of × 0.91/ pipeline section.
The high-efficiency pipe outer surface oil content detection method that the embodiment of the present invention provides, by above-mentioned detecting step,Avoid wasting time and energy of casting, improved detection efficiency; And, adopt Ultrasonic Cleaning, improveThe effect of cleaning the fluid of high-efficiency pipe outer surface, has improved accuracy of detection effectively.
Fluid on staff or gloves in the operating process that intercepts pipeline section adheres to pipeline section to be measuredAbove affect and detect effect, in step S1, operating personnel are matched oil-free plastic gloves and are carried out pipeline section intercepting.
In step S1, the length of pipe section to be detected of intercepting is L ', and two gauge points are set on pipeline section,Distance between two gauge points is L, and the distance of end that two gauge points arrive nearest pipeline section is identical;In step S2, the pipeline section part bending between two gauge points is placed in container to the liquid level of extractAlign with two gauge points. Gauge point arrive nearest pipeline section end pipeline section part by directly orThe mode of connecing is fixed in container, by bending, two gauge points on pipeline section is alignd with the liquid level of extract,Guaranteed that the pipeline section that the distance between two gauge points is L is dipped in extract, that is, and effective length of pipeline sectionDegree is L. By pipeline section is fixed, guarantee that extract shakes with respect to pipeline section under hyperacoustic effectMoving. A gauge point also can be only set, that is, the pipeline section part that gauge point is arrived to one end of pipeline section is doneFix for fixed part and with container, the pipeline section part that gauge point arrives the other end of pipeline section is dipped in extract.
In step S2, the pipeline section part between two gauge points is bent into helical form. By by above-mentioned pipeline sectionPart is bent into helical form, has solved the restriction of length of pipe section direction, has further facilitated in testing processOperation. Also the pipeline section part between two gauge points can be bent into corrugated or discoid etc. otherShape, introduces and all within protection domain no longer one by one at this.
As shown in Figure 2, in step S2, the pipeline section part between two gauge points bends by winding toolCurl; Winding tool comprises cylindrical body 1 and is arranged at the helicla flute 2 on cylindrical body 1, spiralThe center line of groove 2 overlaps with the center line of cylindrical body 1. In the process of bending pipeline section, along cylinder originallyThe circumferential bending pipeline section of body 1, makes the outer wall of pipeline section contact with helicla flute 2, has guaranteed bending comfort level,And, improved pipeline section bending for the spiral helicine uniformity.
Further, winding tool also comprises that, for fixing ring flange 3, ring flange 3 is positioned at cylindrical body1 end, is provided with the fixing hole passing for bolt on ring flange 3. By ring flange 3 by winding toolFixing, so convenient by manually or mechanically actuated pipeline section is wound in to cylindrical body 1 along helicla flute 2On.
In the present embodiment, the span of length of pipe section L ' is 1300 ± 5mm; Between two gauge pointsThe span of distance L be 1000 ± 5mm. Preferably, length of pipe section L ' is 1300mm; TwoDistance L between gauge point is 1000mm.
In step S2, extract is S-316 solvent or CCL4 solution. Also can be that other are for dissolvingThe extract of fluid, in this no longer detailed introduction and all within protection domain.
Before step S2, also comprise step S12: by the oil content in extract clean container, then use distilled waterClean container. By above-mentioned cleaning operation, effectively avoid having oil content in container, further improveDetect accuracy.
Wherein, container is preferably beaker, also can select other containers.
Preferably, in step S3, the time of Ultrasonic Cleaning is 30 minutes.
In this description, each embodiment adopts the mode of going forward one by one to describe, and each embodiment stressesBe and the difference of other embodiment, between each embodiment identical similar part mutually referring to.
To the above-mentioned explanation of the disclosed embodiments, professional and technical personnel in the field can be realized or useThe present invention. To be aobvious and easy for those skilled in the art to the multiple amendment of these embodimentSee, General Principle as defined herein can be in the situation that not departing from the spirit or scope of the present invention,Realize in other embodiments. Therefore, the present invention will can not be restricted to these embodiment shown in this article,But to meet the widest scope consistent with principle disclosed herein and features of novelty.
Claims (7)
1. a high-efficiency pipe outer surface oil content detection method, is characterized in that, comprises step:
1) intercept pipeline section to be detected;
2) described pipeline section is placed in to container, in described container, is added with the extract for dissolving fluid;
3) by claiming the described container that described pipeline section is housed to be placed in ultrasonic cleaning apparatus, carry out Ultrasonic Cleaning;
4) take out the liquid in described container, detect and calculate oil content content;
Described step 1) in, the length of pipe section to be detected of intercepting is L ', and two gauge points are set on described pipeline section, and the distance between two described gauge points is L, and the distance of end that two described gauge points arrive nearest described pipeline section is identical;
Described step 2) in, the pipeline section part bending between two described gauge points is placed in described container, the liquid level of described extract aligns with two described gauge points;
Described step 2) in, the pipeline section part between two described gauge points is bent into helical form;
Described step 2) in, the pipeline section part between two described gauge points is bent into helical form by winding tool;
Described winding tool comprises cylindrical body (1) and is arranged at the helicla flute (2) on described cylindrical body (1), and the center line of described helicla flute (2) overlaps with the center line of described cylindrical body (1).
2. high-efficiency pipe outer surface oil content detection method as claimed in claim 1, is characterized in that described step 1) in, operating personnel are matched oil-free plastic gloves and are carried out pipeline section intercepting.
3. high-efficiency pipe outer surface oil content detection method as claimed in claim 1, it is characterized in that, described winding tool also comprises for fixing ring flange (3), described ring flange (3) is positioned at the end of described cylindrical body (1), is provided with the fixing hole passing for bolt on described ring flange.
4. the high-efficiency pipe outer surface oil content detection method as described in claim 1-3 any one, is characterized in that, the span of described length of pipe section L ' is 1300 ± 5mm; The span of the distance L between two described gauge points is 1000 ± 5mm.
5. high-efficiency pipe outer surface oil content detection method as claimed in claim 1, is characterized in that described step 2) in, described extract is S-316 solvent or CCl4Solution.
6. high-efficiency pipe outer surface oil content detection method as claimed in claim 1, is characterized in that described step 2) also comprise before step 12): by the oil content in extract clean container, then clean described container with distilled water.
7. high-efficiency pipe outer surface oil content detection method as claimed in claim 1, is characterized in that described step 3) in, the time of described Ultrasonic Cleaning is 30 minutes.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410719637.6A CN104330538B (en) | 2014-12-02 | 2014-12-02 | High-efficiency method for detecting oil content on outer surface of pipe |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410719637.6A CN104330538B (en) | 2014-12-02 | 2014-12-02 | High-efficiency method for detecting oil content on outer surface of pipe |
Publications (2)
| Publication Number | Publication Date |
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| CN104330538A CN104330538A (en) | 2015-02-04 |
| CN104330538B true CN104330538B (en) | 2016-05-11 |
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| CN201410719637.6A Expired - Fee Related CN104330538B (en) | 2014-12-02 | 2014-12-02 | High-efficiency method for detecting oil content on outer surface of pipe |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108181158B (en) * | 2017-12-28 | 2020-12-11 | 广州大学 | Method for detecting surface residual oil amount of cold-rolled workpiece after rolling |
Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102033002A (en) * | 2009-09-30 | 2011-04-27 | 鞍钢股份有限公司 | Method for detecting surface residual oil amount of cold-rolled steel plate after rolling |
| CN102226767A (en) * | 2011-04-16 | 2011-10-26 | 武钢集团昆明钢铁股份有限公司 | Determination method for residues on the surface of cold rolled sheets |
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Patent Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102033002A (en) * | 2009-09-30 | 2011-04-27 | 鞍钢股份有限公司 | Method for detecting surface residual oil amount of cold-rolled steel plate after rolling |
| CN102226767A (en) * | 2011-04-16 | 2011-10-26 | 武钢集团昆明钢铁股份有限公司 | Determination method for residues on the surface of cold rolled sheets |
Non-Patent Citations (3)
| Title |
|---|
| 基于分光光度法的冷轧带钢表面残油量检测与分析;贾晓芳等;《表面技术》;20111231;第40卷(第6期);第94-97页 * |
| 空分设备表面残油量的检查方法和评定规则;许郁苍;《杭氧科技》;20041231(第3期);第17-21页 * |
| 超声溶剂萃取法处理含油污泥的研究;孟玉花等;《化学与生物工程》;20131231;第30卷(第1期);第68-70, 83页 * |
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