CN111707693A - Rock core scanner based on X-ray fluorescence and working method thereof - Google Patents
Rock core scanner based on X-ray fluorescence and working method thereof Download PDFInfo
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- CN111707693A CN111707693A CN202010794423.0A CN202010794423A CN111707693A CN 111707693 A CN111707693 A CN 111707693A CN 202010794423 A CN202010794423 A CN 202010794423A CN 111707693 A CN111707693 A CN 111707693A
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- 238000004876 x-ray fluorescence Methods 0.000 title claims abstract description 22
- 239000011435 rock Substances 0.000 title claims abstract description 14
- 238000000034 method Methods 0.000 title claims abstract description 10
- 230000033001 locomotion Effects 0.000 claims abstract description 45
- 230000001681 protective effect Effects 0.000 claims abstract description 33
- 238000005259 measurement Methods 0.000 claims abstract description 13
- 238000012360 testing method Methods 0.000 claims abstract description 12
- 239000000463 material Substances 0.000 claims abstract description 5
- 238000002347 injection Methods 0.000 claims description 13
- 239000007924 injection Substances 0.000 claims description 13
- 238000013461 design Methods 0.000 claims description 9
- 238000001228 spectrum Methods 0.000 claims description 5
- 230000009471 action Effects 0.000 claims description 4
- 230000005540 biological transmission Effects 0.000 claims description 4
- 230000001360 synchronised effect Effects 0.000 claims description 3
- WABPQHHGFIMREM-UHFFFAOYSA-N lead(0) Chemical compound [Pb] WABPQHHGFIMREM-UHFFFAOYSA-N 0.000 claims 1
- 238000004458 analytical method Methods 0.000 abstract description 7
- 238000009659 non-destructive testing Methods 0.000 abstract description 2
- 230000003595 spectral effect Effects 0.000 abstract 1
- 229910052751 metal Inorganic materials 0.000 description 3
- 239000002184 metal Substances 0.000 description 3
- 238000012986 modification Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 229910000838 Al alloy Inorganic materials 0.000 description 1
- 239000000956 alloy Substances 0.000 description 1
- 238000001514 detection method Methods 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 229910052500 inorganic mineral Inorganic materials 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 238000005272 metallurgy Methods 0.000 description 1
- 239000011707 mineral Substances 0.000 description 1
- 230000002093 peripheral effect Effects 0.000 description 1
- 230000008569 process Effects 0.000 description 1
- 238000005096 rolling process Methods 0.000 description 1
- 238000005070 sampling Methods 0.000 description 1
- 238000010183 spectrum analysis Methods 0.000 description 1
- 239000000126 substance Substances 0.000 description 1
- 230000001960 triggered effect Effects 0.000 description 1
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N23/00—Investigating or analysing materials by the use of wave or particle radiation, e.g. X-rays or neutrons, not covered by groups G01N3/00 – G01N17/00, G01N21/00 or G01N22/00
- G01N23/22—Investigating or analysing materials by the use of wave or particle radiation, e.g. X-rays or neutrons, not covered by groups G01N3/00 – G01N17/00, G01N21/00 or G01N22/00 by measuring secondary emission from the material
- G01N23/223—Investigating or analysing materials by the use of wave or particle radiation, e.g. X-rays or neutrons, not covered by groups G01N3/00 – G01N17/00, G01N21/00 or G01N22/00 by measuring secondary emission from the material by irradiating the sample with X-rays or gamma-rays and by measuring X-ray fluorescence
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Abstract
The invention provides a core scanner based on X-ray fluorescence and a working method thereof, wherein the core scanner is an instrument which can work indoors and can perform test analysis in field. The surface of the rock core to be measured is irradiated by X-rays to generate secondary characteristic X-rays (X-ray fluorescence), and the material components are rapidly measured and analyzed by using a spectral detector. The instrument can carry out nondestructive testing on the rock core sample. The measurement can be carried out on various standard and non-standard core plates without preparing samples. The equipment is provided with a protective X-ray shell, protects the safety of operators, and is provided with an automatic sample introduction system and an X, y and z three-axis motion system.
Description
Technical Field
The invention belongs to the technical field of geological detection, and particularly relates to a rock core scanner based on X-ray fluorescence and a working method thereof.
Background
The X-ray fluorescence spectrum analysis technology is widely applied to the fields of geology, metallurgy and petrochemical industry, and is one of important means for measuring elements and finding new elements in mineral analysis. Currently available devices fall into two broad categories. One is a large-scale X-ray fluorescence spectrometer used in laboratories, and the device has low analysis cost and high result accuracy, can be compared with chemical analysis, but cannot perform nondestructive measurement and needs to prepare samples. The other type is a handheld X-ray fluorescence spectrometer which has small volume and light weight and can be used for field analysis, but the types and the precision of the measured elements are not as high as those of laboratory equipment, and a single-point test needs to be manually carried out.
Disclosure of Invention
The invention aims to solve the technical problem of the prior art and provides a rock core scanner based on X-ray fluorescence and a working method thereof, wherein the rock core scanner based on X-ray fluorescence comprises a fluorescence detector module moving platform, a fluorescence detector module and a support frame;
the fluorescence detector module moving platform is arranged on the support frame;
the fluorescence detector module moving platform is connected with and controls the fluorescence detector module to move.
The fluorescence detector module moving platform comprises a horizontal X-direction moving module, a horizontal Y-direction moving module and a vertical moving module;
the horizontal X-direction movement module is designed by adopting double parallel guide rails, is driven by a servo motor and is driven by a synchronous belt to drive the fluorescence detector module to move in the horizontal X direction;
the horizontal Y-direction movement module is driven by a servo motor through the design of a single guide rail and a lead screw, and a transmission part is connected by a coupler to drive the fluorescence detector module to move in the horizontal Y direction;
the vertical motion module adopts a design of a double-line rail and a lead screw, and is driven by a servo motor to drive the fluorescence detector module to move up and down.
And the tail end of the vertical movement module is provided with a laser ranging sensor for controlling the fluorescent detector to be attached to the surface of the rock core.
Furthermore, the core scanner also comprises a protective shell, and the fluorescent detector module moving platform, the fluorescent detector module and the support frame can be completely wrapped by the protective shell.
Furthermore, the core scanner also comprises a core tray sample injection system, wherein the core tray sample injection system comprises a conveying belt and a motor, and the conveying belt is driven by the motor.
Furthermore, the core scanner also comprises an automatic protective door, the automatic protective door and the protective shell form an integrated structure, the automatic protective door is designed in a rolling curtain mode and is driven by a stepping motor, and when a core disc sample feeding system conveys core disc samples, the automatic protective door can be automatically opened.
And metal lead is doped in the materials of the protective shell and the automatic protective door.
The fluorescence detector module comprises an X-ray light pipe, a high-voltage generator, an energy spectrum detector, a multichannel analyzer and a WIFI controller.
The working method specifically comprises the following steps:
step 1, placing a whole tray of core tray samples at an inlet of a core tray sample injection system, opening an automatic protection door after setting corresponding parameters, conveying the whole tray of core tray samples to a measuring position through a belt by the core tray sample injection system, and closing the automatic protection door;
when the situation that the protective shell and the automatic protective door are closed is detected, the fluorescent detector module starts X rays and measures the X rays; the micro switches are arranged at four corners of the integral support frame, the micro fast switches are triggered after the protective shell is arranged, and signals are transmitted to the computer. The protective housing is damaged or not installed in place, and when all the microswitches are not touched, the computer cannot receive signals and the X-ray is not allowed to be turned on.
and 4, after all the test points are tested, the fluorescence detector module closes the X rays, the fluorescence detector module is taken to the initial position by the horizontal X-direction movement module, the horizontal Y-direction movement module and the vertical movement module, the automatic protection door is opened, the whole core tray sample is sent back to the inlet from the measurement position by the core tray sample feeding system, and at the moment, the testers can replace the samples.
The X-ray high-voltage generator and the fluorescence energy spectrum detector are integrated into a detector module, a WiFi controller is arranged in the detector module, and a computer is used for carrying out remote control to carry out element test analysis. And designing a detector module motion platform capable of moving in three axes of x, y and z to complete the action of measuring the core sample. And a lead-containing peripheral protection measure is designed to protect the safety of measuring personnel. An automatic sample introduction system is designed, and the operation of measuring personnel is facilitated.
Has the advantages that: the core scanner can be used for indoor work and field analysis. The instrument can carry out nondestructive testing on the rock core sample. The measurement can be carried out on various standard and non-standard core plates without preparing samples. The density of sampling can be set as desired. The instrument can automatically measure the whole core tray without manual intervention in measurement.
Drawings
The foregoing and/or other advantages of the invention will become further apparent from the following detailed description of the invention when taken in conjunction with the accompanying drawings.
Fig. 1 is an overall schematic view of the present invention.
Fig. 2 is a schematic view of the internal structure of the present invention.
Fig. 3 is a specific enlarged schematic diagram of the structure of the present invention.
Detailed Description
Fig. 1 is an overall appearance view. 1 is a core scanner based on X-ray fluorescence. And 2 is a protective shell. And 3, an automatic protective door.
Fig. 2 is an internal structural view. 4 is a support frame. And 5, a horizontal X-direction movement module. And 6 is a horizontal Y-direction movement module. And 7, a fluorescence detector module motion platform. And 8, a core tray sample injection system. And 9 is a core tray sample measuring position. And 10 is a vertical motion module. And 11 is a fluorescence detector module.
The design can be used for carrying out automatic X-ray fluorescence spectrum measurement on the whole core disc as required. The whole process is automatically measured except for changing the core and setting parameters on a computer.
And 8, a core tray sample feeding system can adopt a belt transmission mode and is driven by a 220v alternating current motor. And infrared sensors are arranged on the fluorescent detector module motion platform 7 and the core tray sample injection system 8 to control the position of the sample.
The material of the protective shell is doped with metal lead, so that the overflow of X-rays can be effectively prevented, and operators are protected.
3, the automatic protective door adopts a roller shutter type design, and the manufacturing materials also contain metal lead. The stepping motor is adopted for driving, and the top and the bottom are provided with microswitches for position control.
4 is the support frame, adopts aluminum alloy material, can effectual weight that alleviates the instrument.
And 5, a horizontal X-direction movement module which drives the fluorescence detector module 11 to move in the horizontal X direction. The design of double parallel guide rails is adopted, a servo motor drives the guide rails, and a synchronous belt is used for transmission.
And 6, a horizontal Y-direction movement module which drives the fluorescence detector module 11 to move in the horizontal Y direction. The design of a single guide rail and a lead screw is adopted, a servo motor is also adopted for driving, and a coupler is adopted for connection.
The coordinate system here is a custom coordinate, and for convenience of description, the horizontal direction is defined as the X direction, and the horizontal direction is defined as the Y direction.
And 10, a vertical movement module which drives the fluorescence detector module 11 to move up and down. The design of a double-line rail and a lead screw is adopted, and a servo motor drives. The tail end is provided with a laser ranging sensor to control the fluorescent detector to be attached to the surface of the rock core.
And 7, a fluorescence detector module moving platform used for carrying the fluorescence detector module.
And 11, a fluorescence detector module, which is composed of an X-ray light pipe, a high voltage generator, a spectrum detector, a multichannel analyzer, a WIFI controller and other elements (all the elements are realized by adopting the hardware combination in the prior art, for example, the X-ray light pipe can use Eclipse iv of AMPTEK company, and the detector can use XR 100CR of AMPTEK company).
During measurement, the whole tray of core tray samples is placed at the inlet of the core tray sample injection system 8, corresponding parameters are set on a computer, and clicking is performed to start. The core tray sample injection system 8 conveys the whole tray of cores to the measuring position 9 through a belt, and the protective door 3 is closed.
The horizontal X-direction movement module 5 and the horizontal Y-direction movement module 6 will bring the fluorescence detector module 11 to the first measurement point, and the vertical movement module 10 will slowly lower the fluorescence detector module 11 to fit the sample.
When the protective shell 2 and the automatic protective door 3 are detected to be in the closed state, the computer starts X rays through the wifi module and measures the X rays;
after the measurement is finished, the vertical movement module 10 drives the fluorescence detector module 11 to rise, the horizontal X-direction movement module 5 and the horizontal Y-direction movement module 6 drive the fluorescence detector module 11 to the next test point, and the test action is repeatedly descended;
after all test points are tested, X rays are closed, the fluorescence detector module 11 is brought to an initial position by the horizontal X-direction movement module 5, the horizontal Y-direction movement module 6 and the vertical movement module 10, the automatic protection door 3 is opened, the whole tray of cores are sent back to an inlet from the measurement position 9 by the core tray sample injection system 8, and a tester can replace samples.
The present invention provides a core scanner based on X-ray fluorescence and a working method thereof, and a method and a way for implementing the technical scheme are numerous, the above description is only a preferred embodiment of the present invention, and it should be noted that, for a person skilled in the art, a plurality of improvements and modifications can be made without departing from the principle of the present invention, and these improvements and modifications should also be regarded as the protection scope of the present invention. All the components not specified in the present embodiment can be realized by the prior art.
Claims (9)
1. A rock core scanner based on X-ray fluorescence is characterized by comprising a fluorescence detector module moving platform (7), a fluorescence detector module (11) and a support frame (4);
the fluorescence detector module moving platform (7) is arranged on the support frame (4);
the fluorescence detector module moving platform (7) is connected with and controls the fluorescence detector module (11) to move.
2. The core scanner based on X-ray fluorescence according to claim 1, wherein the fluorescence detector module moving platform (7) comprises a horizontal X-direction moving module (5), a horizontal Y-direction moving module (6) and a vertical moving module (10);
the horizontal X-direction movement module (5) is designed by adopting double parallel guide rails, is driven by a servo motor and is driven by a synchronous belt to drive the fluorescence detector module (11) to move in the horizontal X direction;
the horizontal Y-direction movement module (6) is designed by adopting a single guide rail and a lead screw, is driven by a servo motor, and is connected by adopting a coupler in a transmission part to drive the fluorescence detector module (11) to move in the horizontal Y direction;
the vertical movement module (10) adopts a design of a double-line rail and a lead screw, and is driven by a servo motor to drive the fluorescence detector module (11) to move up and down.
3. The core scanner based on X-ray fluorescence is characterized in that a laser distance measuring sensor used for controlling a fluorescence detector (11) to be attached to the surface of a core is arranged at the tail end of the vertical movement module (10).
4. The core scanner based on X-ray fluorescence is characterized by further comprising a protective shell (2), wherein the protective shell (2) can completely wrap the fluorescence detector module moving platform (7), the fluorescence detector module (11) and the support frame (4).
5. The core scanner based on X-ray fluorescence is characterized by further comprising a core tray sample injection system (8), wherein the core tray sample injection system (8) comprises a conveying belt and a motor, and the conveying belt is driven by the motor.
6. The core scanner based on X-ray fluorescence is characterized by further comprising an automatic protective door (3), wherein the automatic protective door (3) and the protective shell (2) form an integrated structure, the automatic protective door (3) is in a roller shutter type design and is driven by a stepping motor, and when a core disc sample feeding system (8) conveys core disc samples, the automatic protective door (3) can be automatically opened.
7. The core scanner based on X-ray fluorescence according to claim 6, characterized in that the material of the protective casing (2) and the automatic protective door (3) is doped with metallic lead.
8. The X-ray fluorescence based core scanner according to claim 7, wherein the fluorescence detector module (11) comprises an X-ray light pipe, a high voltage generator, a spectrum detector, a multichannel analyzer and a WIFI controller.
9. A working method of a rock core scanner based on X-ray fluorescence is characterized by comprising the following steps:
step 1, placing a whole tray of core tray samples at an inlet of a core tray sample injection system (8), opening an automatic protection door (3) after setting corresponding parameters, transmitting the whole tray of core tray samples to a measuring position by the core tray sample injection system (8) through a belt, and closing the automatic protection door (3);
step 2, the fluorescence detector module (11) is brought to a first measuring point by the horizontal X-direction movement module (5) and the horizontal Y-direction movement module (6), and the fluorescence detector module (11) is driven by the vertical movement module (10) to slowly descend to be attached to a rock core disc sample;
when the situation that the protective shell (2) and the automatic protective door (3) are closed is detected, the fluorescent detector module (11) starts X rays and measures the X rays;
step 3, after the measurement is finished, the vertical movement module (10) drives the fluorescence detector module (11) to rise, the horizontal X-direction movement module (5) and the horizontal Y-direction movement module (6) drive the fluorescence detector module (11) to the next test point, and the test action is repeatedly descended;
and 4, after all the test points are tested, closing the X rays by the fluorescence detector module (11), bringing the fluorescence detector module (11) to an initial position by the horizontal X-direction movement module (5), the horizontal Y-direction movement module (6) and the vertical movement module (10), opening the automatic protective door (3), sending the whole core tray sample to the entrance from the measurement position by the core tray sample feeding system (8), and enabling the tester to replace the sample.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010794423.0A CN111707693A (en) | 2020-08-10 | 2020-08-10 | Rock core scanner based on X-ray fluorescence and working method thereof |
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| Application Number | Priority Date | Filing Date | Title |
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| CN202010794423.0A CN111707693A (en) | 2020-08-10 | 2020-08-10 | Rock core scanner based on X-ray fluorescence and working method thereof |
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| CN111707693A true CN111707693A (en) | 2020-09-25 |
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