CN102023122B - Pipeline material density detection and calibration device - Google Patents
Pipeline material density detection and calibration device Download PDFInfo
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- CN102023122B CN102023122B CN 201010538452 CN201010538452A CN102023122B CN 102023122 B CN102023122 B CN 102023122B CN 201010538452 CN201010538452 CN 201010538452 CN 201010538452 A CN201010538452 A CN 201010538452A CN 102023122 B CN102023122 B CN 102023122B
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- instrument stand
- fixedly connected
- plate
- fixed support
- end plate
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- 239000000463 material Substances 0.000 title claims abstract description 23
- 238000001514 detection method Methods 0.000 title abstract description 5
- 230000002285 radioactive effect Effects 0.000 claims abstract description 19
- 239000011343 solid material Substances 0.000 description 6
- 238000005259 measurement Methods 0.000 description 5
- 238000009434 installation Methods 0.000 description 2
- 238000012417 linear regression Methods 0.000 description 2
- 238000000034 method Methods 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000011088 calibration curve Methods 0.000 description 1
- 239000011521 glass Substances 0.000 description 1
- 230000005855 radiation Effects 0.000 description 1
- 230000001105 regulatory effect Effects 0.000 description 1
- 238000010079 rubber tapping Methods 0.000 description 1
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Abstract
The invention relates to a pipeline material density detection and calibration device which comprises a fixed bracket and an instrument frame, wherein a guide rod is fixedly connected to the fixed bracket; a guide block is arranged on the instrument frame, and the guide block is in slide fit with the guide rod; a screw rod is also in screwed joint with the instrument frame, and the other end of the screw rod is rotatably supported on the fixed bracket; a radioactive source is fixedly connected to a rear end plate of the instrument frame; a scintillation counter is fixedly connected to a front end plate corresponding to the rear end plate; openings are correspondingly arranged on the rear end plate and the front end plate of the instrument frame so that the scintillation counter detects the radioactive source through the openings on the rear end plate and the front end plate of the instrument frame; the upper end cover of the instrument frame is provided with at least one elongated jack, and a lower bottom plate of the instrument frame is provided with at least one slot corresponding to the jack; and at least one density board is also positioned between the radioactive source and the scintillation counter in the instrument frame, and all the density boards are respectively inserted into the corresponding jacks and the slots on the instrument frame. The invention has the advantage of simple structure and is accurate for detection.
Description
Technical field
The present invention relates to a kind of Density Detection caliberating device of material, particularly a kind of Density Detection caliberating device for material in the pipeline.
Background technology
When utilizing the pipeline convey materials, the material on the same xsect distributes normally inhomogeneous, thereby density also is not quite similar.Present employed pipeline material density checkout equipment can only can not be measured the Density Distribution situation of xsect continuously for a position probing of cross-section of pipeline, and measurement result is not comprehensive, unreliable.In addition, existing densitometer is just demarcated when dispatching from the factory, but because the material variety that pipeline is carried is a lot, different material may differ greatly to the characteristic of radioactive ray decay, only rely on the pre-set parameter of densitometer producer, can cause the measurement result of material density inaccurate.
Summary of the invention
The objective of the invention is to provide a kind of simple in structure, can distribute by the measuring channel material density, the pipeline material density that possesses the on-site proving function detects caliberating device.
Realize that foregoing invention purpose technical scheme is, a kind of pipeline material density detects caliberating device, comprises fixed support and instrument stand, is fixedly connected with guide rod on the described fixed support, has orienting lug on the instrument stand, and orienting lug and guide rod are slidingly matched; The screw rod that also has been threaded on the described instrument stand, the other end rotating support of screw rod is on fixed support; Be fixedly connected with radioactive source on the end plate of described instrument stand, be fixedly connected with scintillation counter on the front end-plate corresponding with end plate, and correspondingly on the end plate of described instrument stand and the front end-plate be provided with perforate, so that scintillation counter sees through the end plate of instrument stand and the perforate on the front end-plate detects radioactive source; The jack that has at least one strip on the upper end cover of described instrument stand has at least one slot corresponding with jack on the lower shoe of instrument stand; In the described instrument stand and also be provided with at least one density board between radioactive source and scintillation counter, density board is inserted on the instrument stand in the corresponding jack and slot.
Also be provided with two pipeline fixing devices on the described fixed support, two pipeline fixing devices lay respectively at the both sides of instrument stand.
Be fixedly connected with thread bush on the described instrument stand, screw rod is threaded with thread bush.
Upper end cover and the front end-plate of described instrument stand removably connect by bolt; Lower shoe and front end-plate also removably connect by bolt.
Described guide rod has two, and described orienting lug has four, and every side has two.
Described pipeline fixing device comprises card holder and anchor ear, card holder is fixedly connected with or makes one by a web joint with two top boards and forms, the front portion of two top boards all has deep-slotted chip breaker, card holder is passed the connecting hole on the web joint by bolt and is fixed on the fixed support by nut, and the through hole that anchor ear passes on the web joint of card holder is fixed on the fixed support by nut.
Have waist-shaped hole on the described fixed support, anchor ear all passes waist-shaped hole with bolt and is connected with fixed support.
The other end of described screw rod is fixedly connected with handle.
After adopting said structure, the screw rod that also has been threaded on the described instrument stand, the other end rotating support of screw rod is on fixed support; Be fixedly connected with radioactive source on the end plate of described instrument stand, be fixedly connected with scintillation counter on the front end-plate corresponding with end plate, and correspondingly on the end plate of described instrument stand and the front end-plate be provided with perforate, so that scintillation counter sees through the end plate of instrument stand and the perforate on the front end-plate detects radioactive source, the jack that has at least one strip on the upper end cover of described instrument stand, have at least one slot corresponding with jack on the lower shoe of instrument stand, detect by radioactive source and scintillation counter, density by known density board, draw function, draw the density of determinand by function, thereby can carry out on-site proving to different convey materials very easily.It is not only simple in structure but also detect accurately that pipeline material density of the present invention detects caliberating device, and owing to have screw rod, pass through rotating screw bolt, can adjust up and down the position of instrument stand, make radioactive source, scintillation counter along the guide rod synchronization lifting, stop arbitrarily at the cross-section of pipeline diverse location, so just can the measuring channel xsect on the density of optional position potpourri, measurement result is comprehensively accurate.
Description of drawings
Fig. 1 is structural representation of the present invention;
Fig. 2 is the left view of Fig. 1;
Fig. 3 is the A-A direction cut-open view of Fig. 1;
Fig. 4 is the B-B direction cut-open view of Fig. 1;
Fig. 5 is the structural representation of casing of the present invention, radioactive source and scintillation counter;
Fig. 6 is the structural representation of upper frame of the present invention;
Fig. 7 is the cut-open view of the C-C direction of Fig. 6.
Embodiment
Below contrast accompanying drawing, by the description of embodiment, the present invention made further specifying.
Shown in Fig. 1～7, a kind of pipeline material density detects caliberating device, comprises fixed support 2 and instrument stand 6, is fixedly connected with guide rod 3 on the described fixed support 2, has orienting lug 6-1 on the instrument stand 6, and orienting lug 6-1 and guide rod 3 are slidingly matched; The screw rod 5 that also has been threaded on the described instrument stand 6, the other end rotating support of screw rod 5 is on fixed support 2; Be fixedly connected with radioactive source 1 on the end plate 6-2 of described instrument stand 6, be fixedly connected with scintillation counter 8 on the front end-plate 6-3 corresponding with end plate 6-2, and the end plate 6-2 of described instrument stand 6 and front end-plate 6-3 are upper corresponding is provided with perforate 6-4, so that scintillation counter 8 sees through the end plate 6-2 of instrument stand 6 and the perforate 6-4 on the front end-plate 6-3 detects radioactive source 1; The jack 6-5-1 that has at least one strip on the upper end cover 6-5 of described instrument stand 6 has at least one slot 6-6-1 corresponding with jack 6-5-1 on the lower shoe 6-6 of instrument stand 6; In the described instrument stand 6 and between radioactive source 1 and scintillation counter 8, also be provided with at least one density board 10, each density board 10 is inserted into respectively on the instrument stand 6 in corresponding jack 6-5-1 and the slot 6-6-1, density board 10 by known density, can set up functional equation, be derived again the density of material in the tested pipeline by functional equation.
As shown in Figure 1, for pipe under test being fixed, also be provided with two pipeline fixing devices on the described fixed support 2, two pipeline fixing devices lay respectively at the both sides of instrument stand 6, can so that the present invention implements to fix to detected pipeline, can not produce movement like this.
Shown in Fig. 1,2,3,4, be fixedly connected with thread bush 9 on the described instrument stand 1, screw rod 5 is threaded with thread bush 9, so need to be on instrument stand 1 directly tapping, be difficult for causing instrument stand 1 breakage, but not only can achieve the goal equally with thread bush 9, also convenient processing and installation are time saving and energy saving.
Shown in Fig. 2,3,4,5, upper end cover 6-5 and the front end-plate 6-3 of described instrument stand 6 removably connect by bolt; Lower shoe 6-6 and front end-plate 6-3 also removably connect by bolt, after instrument stand 6 can being taken apart like this, in pipe under test is placed into, make things convenient for pipeline to pass instrument stand 6, so that easy to detect.
As shown in Figure 1, for two lateral balances, strengthen the stress balance of guide rod 3, described guide rod 3 has two, and described orienting lug 6-1 has four, and every side has two.
Shown in Fig. 1 ~ 4, described pipeline fixing device comprises card holder 12 and anchor ear 7, card holder 12 is fixedly connected with or makes one by a web joint 12-1 with two top board 12-2 and forms, the front portion of two top board 12-2 all has deep-slotted chip breaker 12-3, card holder 12 is passed the connecting hole 12-1-1 on the web joint 12-1 by bolt 13 and is fixed on the fixed support 2 by nut 14, the through hole 12-1-2 that anchor ear 7 passes on the web joint 12-1 of card holder 12 is fixed on the fixed support 2 by nut 15, the present invention can use card holder 12 and the anchor ear 7 of two stationary installations, firmly be fixed on device for detecting density on the tested pipeline, it can not be slided and rotation along pipeline, satisfy the measurement requirement under the different operating modes, such as vertical pipeline section, the inclination pipeline section, horizontal pipeline section, it is very much convenient using, and safe and reliable.
Shown in Fig. 1,3,4, have waist-shaped hole 2-1 on the described fixed support 2, anchor ear 7 all passes waist-shaped hole 2-1 with bolt 13 and is connected with fixed support 2, can conveniently regulate the upper-lower position of anchor ear 7, regulates the position of pipeline.
Shown in Fig. 1 ~ 6, for the convenience of installing and regulating, the other end of described screw rod 5 is fixedly connected with handle 4.
The present invention is in specific implementation process, and density board 10 can select glass as demarcating medium.Selected demarcation Media density is given as respectively p1, and p2 can record the counting rate n1 of scintillation counter 8, n2, and then try to achieve solid material density and counting rate in the pipeline 11 concern constant k and b, this is 2 demarcation; Then the output voltage corresponding with the counting rate variation that utilizes data-acquisition loop that densitometer is provided, the voltage drop of output current 4--20mA on measuring resistance, measure, record simultaneously corresponding counting rate logarithm, thereby obtain the calibration curve of solid material density and voltage and solid material density and counting rate log-linear regression, namely finished the multi-point calibration data regression.The beneficial effect that the present invention reaches is: this kind pipeline solid material radiation density meter calibration method is simple, applied widely, can select suitable demarcation medium for dissimilar pipeline solid materials, carrying out the original position of radioactive density meter demarcates, pipeline solid material density can become good linear relationship with counting rate logarithm, output voltage, the related coefficient that linear regression provides reaches 0.9999, and the densimeter measurement precision can reach ± and 0.5%.
Claims (5)
1. a pipeline material density detects caliberating device, comprise fixed support (2) and instrument stand (6), be fixedly connected with guide rod (3) on the described fixed support (2), screw rod (5) also has been threaded on the described instrument stand (6), the other end rotating support of screw rod (5) is on fixed support (2), be fixedly connected with radioactive source (1) on the end plate (6-2) of described instrument stand (6), be fixedly connected with scintillation counter (8) on the front end-plate (6-3) corresponding with end plate (6-2), in the described instrument stand (6) and be positioned between radioactive source (1) and the scintillation counter (8) and also be provided with at least one density board (10), it is characterized in that:
Have orienting lug (6-1) on a, the described instrument stand (6), orienting lug (6-1) is slidingly matched with guide rod (3);
The end plate (6-2) of b, described instrument stand (6) and front end-plate (6-3) are upper corresponding is provided with perforate (6-4), so that scintillation counter (8) sees through the end plate (6-2) of instrument stand (6) and the perforate (6-4) on the front end-plate (6-3) detects radioactive source (1);
The jack (6-5-1) that has at least one strip on the upper end cover (6-5) of c, described instrument stand (6) has at least one slot (6-6-1) corresponding with jack (6-5-1) on the lower shoe (6-6) of instrument stand (6);
D, described density board (10) are inserted in the upper corresponding jack (6-5-1) of instrument stand (6) and the slot (6-6-1);
Also be provided with two pipeline fixing devices on e, the described fixed support (2), two pipeline fixing devices lay respectively at the both sides of instrument stand (6);
The upper end cover (6-5) of f, described instrument stand (6) removably connects by bolt with front end-plate (6-3); Lower shoe (6-6) also removably connects by bolt with front end-plate (6-3);
G, described pipeline fixing device comprises card holder (12) and anchor ear (7), card holder (12) is fixedly connected with or makes one by a web joint (12-1) with two top boards (12-2) and forms, the front portion of two top boards (12-2) all has deep-slotted chip breaker (12-3), card holder (12) is passed the connecting hole (12-1-1) on the web joint (12-1) by bolt (13) and is fixed on the fixed support (2) by nut (14), and the through hole (12-1-2) that anchor ear (7) passes on the web joint (12-1) of card holder (12) is fixed on the fixed support (2) by nut (15).
2. pipeline material density according to claim 1 detects caliberating device, and it is characterized in that: be fixedly connected with thread bush (9) on the described instrument stand (1), screw rod (5) is threaded with thread bush (9).
3. pipeline material density according to claim 1 detects caliberating device, and it is characterized in that: described guide rod (3) has two, and described orienting lug (6-1) has four, and every side has two.
4. pipeline material density according to claim 1 detects caliberating device, and it is characterized in that: have waist-shaped hole (2-1) on the described fixed support (2), anchor ear (7) all passes waist-shaped hole (2-1) with bolt (13) and is connected with fixed support (2).
5. pipeline material density according to claim 1 detects caliberating device, and it is characterized in that: the other end of described screw rod (5) is fixedly connected with handle (4).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201010538452 CN102023122B (en) | 2010-11-10 | 2010-11-10 | Pipeline material density detection and calibration device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201010538452 CN102023122B (en) | 2010-11-10 | 2010-11-10 | Pipeline material density detection and calibration device |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN102023122A CN102023122A (en) | 2011-04-20 |
| CN102023122B true CN102023122B (en) | 2013-03-13 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 201010538452 Expired - Fee Related CN102023122B (en) | 2010-11-10 | 2010-11-10 | Pipeline material density detection and calibration device |
Country Status (1)
| Country | Link |
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| CN (1) | CN102023122B (en) |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4228353A (en) * | 1978-05-02 | 1980-10-14 | Johnson Steven A | Multiple-phase flowmeter and materials analysis apparatus and method |
| CN2233580Y (en) * | 1995-02-21 | 1996-08-21 | 煤炭科学研究总院唐山分院 | Microwave density meter for testing syrup density |
| CN2852107Y (en) * | 2005-11-01 | 2006-12-27 | 甘肃省机械科学研究院 | Socket type online densimeter scaling device |
| CN101548179A (en) * | 2006-12-07 | 2009-09-30 | Ihc系统股份有限公司 | System and method for measuring a concentration parameter of a solid/liquid mixture in a conveyor pipe |
| CN101587052A (en) * | 2009-06-15 | 2009-11-25 | 浙江大学 | Device and method for testing density, concentration and thickness based on X-ray |
Family Cites Families (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2277298Y (en) * | 1996-10-26 | 1998-04-01 | 何忠斌 | Test-tube stand with lining board |
| US7507952B2 (en) * | 2006-05-25 | 2009-03-24 | Schlumberger Technology Corporation | Apparatus and method for fluid density determination |
-
2010
- 2010-11-10 CN CN 201010538452 patent/CN102023122B/en not_active Expired - Fee Related
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4228353A (en) * | 1978-05-02 | 1980-10-14 | Johnson Steven A | Multiple-phase flowmeter and materials analysis apparatus and method |
| CN2233580Y (en) * | 1995-02-21 | 1996-08-21 | 煤炭科学研究总院唐山分院 | Microwave density meter for testing syrup density |
| CN2852107Y (en) * | 2005-11-01 | 2006-12-27 | 甘肃省机械科学研究院 | Socket type online densimeter scaling device |
| CN101548179A (en) * | 2006-12-07 | 2009-09-30 | Ihc系统股份有限公司 | System and method for measuring a concentration parameter of a solid/liquid mixture in a conveyor pipe |
| CN101587052A (en) * | 2009-06-15 | 2009-11-25 | 浙江大学 | Device and method for testing density, concentration and thickness based on X-ray |
Non-Patent Citations (1)
| Title |
|---|
| 徐立群等.《管道泥砂浓度分布的伽玛射线测量》.《计算机测量与控制》.2005,第13卷(第11期),1207-1209. * |
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| Publication number | Publication date |
|---|---|
| CN102023122A (en) | 2011-04-20 |
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| C53 | Correction of patent of invention or patent application | ||
| CB03 | Change of inventor or designer information |
Inventor after: Ni Fusheng Inventor after: Xu Liqun Inventor after: Ni Yan Inventor after: Li Zhao Inventor after: Wu Junhui Inventor after: Zhang Panpan Inventor before: Ni Fusheng Inventor before: Xu Liqun |
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| COR | Change of bibliographic data |
Free format text: CORRECT: INVENTOR; FROM: NI FUSHENG XU LIQUN TO: NI FUSHENG XU LIQUN NI YAN LI ZHAO WU JUNHUI ZHANGPANPAN |
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| C14 | Grant of patent or utility model | ||
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| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20130313 |