CN101446562A - Three-element dual alkalinity analysis system - Google Patents
Three-element dual alkalinity analysis system Download PDFInfo
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- CN101446562A CN101446562A CNA2007101504373A CN200710150437A CN101446562A CN 101446562 A CN101446562 A CN 101446562A CN A2007101504373 A CNA2007101504373 A CN A2007101504373A CN 200710150437 A CN200710150437 A CN 200710150437A CN 101446562 A CN101446562 A CN 101446562A
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Abstract
The invention discloses a three-element dual alkalinity analysis system. The analysis system comprises an alkalinity analyzer and a control device; the alkalinity analyzer comprises an X-ray tube, a sample tray, a vacuum extractor, an X-ray detector, a crystal light dividing device, a rotating motor of the crystal light dividing device, a positioning mechanism of the crystal light dividing device, and a vacuum chamber; the X-ray tube, a transmitting terminal of the X-ray detector and the crystal light dividing device are arranged in the vacuum chamber, the sample tray and the vacuum extractor are connected with the vacuum chamber by flanges; the rotating motor of the crystal light dividing device and the positioning mechanism of the crystal light dividing device are connected to control the crystal light dividing device; the control device comprises a signal processing unit, a control unit and a computer analysis system. An X-ray signal from the detector is converted into an electrical signal, processes by the signal processing unit and transmitted to the computer analysis system, and the electrical signal is outputted by a display device or is controlled by the control unit to control the alkalinity analyzer components. The analysis system has the beneficial effects of high precision, low cost and short measurement time, and can directly output measurement results of the elements and alkalinity values of samples.
Description
Technical field
The present invention relates to a kind of elemental analyser, particularly relate to the three-element dual alkalinity analysis system that a kind of computer control detects sintering sample ore basicity value.
Background technology
The early stage xrf analysis instrument that often uses in China's mineral products production detects constituent content in the mineral matter, the main xrf analysis instrument that adopts energy dispersion, this analyser is directly to survey the X ray that is excited with detector, utilize nuclear electronics that it is analyzed then, the precision that detects constituent content with this analyser can descend.
Analyze also wavelength available chromatic dispersion elemental analyser of mineral products element, this instrument mainly contains two kinds, and a kind of is that hyperchannel is fixed, and another kind is that multielement is rotary.Hyperchannel is fixed all to dispose an analyzing crystal and a special-purpose detector to each element, detector and crystal position are to adjust in advance then to fix, owing to be subjected to the restriction in space, the element that adopts this mode to measure, the detection system limited amount that in a detector, is provided with.And this method is owing to used more and expensive detector of quantity and analyzing crystal to increase the cost of instrument.The rotary wavelength dispersion analyser of multielement adopts a crystal and a kind of detector to carry out elements are contained, root a tree name Bragg's law, and crystal rotation θ angle, characteristic X-ray rotates 2 θ angles.Just can measure different types of element successively by rotating crystal and detector.The method is best in theory method of testing, but the shortcoming of this method maximum is exactly the requirement manufacturer has high machining accuracy, precision control requires to reach 2/1000ths to ten thousand/once, this is beyond one's reach for general processing enterprise, and the instrument price that can make is high naturally.And produced instrument only is suitable for the laboratory of specialty because the too high very easily wearing and tearing of precision are not suitable for the regular measurement of industrial and mining enterprises.
Industrial and mining enterprises generally adopt X-ray spectral analysis at present, and the physical principle of this analytical approach is: utilize the X-ray pipe to send the tested article of x-ray bombardment, tested article are inspired different-energy (wavelength) characteristic X-ray according to the difference of its element kind.Utilize analyzing crystal that these characteristic X-rays are reflected, make it carry out deviation according to its different ray energy (wavelength), utilize detector to survey then in corresponding angle, can record the intensity of this elemental characteristic X ray, calculate by contrast then and can measure this element content abundance in this measured matter.It is too high to adopt general wavelength dispersion spectrometer to detect cost; And adopt the precision of light elements such as simple and easy energy-dispersive spectroscopy instrument detection silicon not high.
Summary of the invention
Technical matters to be solved by this invention is that a kind of three-element dual alkalinity analysis system that can fast, accurately measure element base number content is provided.
The technical solution adopted in the present invention is: a kind of three-element dual alkalinity analysis system comprises basicity instrument and control device; Described basicity instrument comprises: X-ray pipe, sample tray, vacuum extractor, X-ray detector, analyzing crystal device, analyzing crystal device electric rotating machine, analyzing crystal device detent mechanism and vacuum chamber, transmitting terminal, the analyzing crystal device of described X-ray pipe, X-ray detector are arranged in the vacuum chamber, described sample tray, vacuum extractor are connected with vacuum chamber by flange, place testing sample on the described sample tray; Described analyzing crystal device electric rotating machine is connected control analyzing crystal device with analyzing crystal device detent mechanism; Described control device comprises signal processing unit, control module and Computerized analysis system; The electric signal that X ray conversion of signals in the detector is become enters Computerized analysis system by signal processing unit, by display device output or by control module control basicity instrument parts.
Described X-ray detector comprises detector turning axle and detector rotary positioning mechanism; Described detector turning axle is connected with the detector rotary positioning mechanism, and X-ray detector is accurately located.
Described analyzing crystal device comprises analyzing crystal, crystal rotating shaft and crystal cartridge; Described crystal cartridge is regular triangular prism shaped, is fixed with analyzing crystal on the faceted pebble, and described crystal rotating shaft is connected with crystal cartridge.
Described detector turning axle is vertical mutually with described analyzing crystal rotating shaft.
Signal processing unit comprises prime amplifier, main amplifier, multichannel analyzer and the interface arrangement that connects in regular turn; Described Computerized analysis system is connected alternately with control module; Described control module is connected with sample tray, vacuum extractor, X-ray pipe, analyzing crystal electric rotating machine and the detector electric rotating machine of basicity instrument respectively, and the control corresponding component.
The invention has the beneficial effects as follows: this analytic system precision height, price is low, Measuring Time is short, can directly export the measurement result of element and the basicity value in the sample.
Description of drawings
Fig. 1 is the block diagram of basicity analytic system of the present invention;
Fig. 2 is an analyzing crystal apparatus structure synoptic diagram.
Among the figure:
1, X-ray pipe 2, sample tray
3, testing sample 4, vacuum extractor
5, X-ray detector 6, analyzing crystal device
7, light-dividing device electric rotating machine 8, light-dividing device detent mechanism
9, vacuum chamber 10, signal processing unit
11, prime amplifier 12, main amplifier
13, multichannel analyzer 14, interface arrangement
15, system control unit 16, computing machine
17, show output unit
Embodiment
Below in conjunction with the drawings and specific embodiments the present invention is described in further detail:
As depicted in figs. 1 and 2, three-element dual alkalinity analysis system of the present invention comprises basicity instrument and control device; Described basicity instrument comprises: X-ray pipe 1, sample tray 2, vacuum extractor 4, X-ray detector 5, analyzing crystal device 6, analyzing crystal device electric rotating machine 7, analyzing crystal device detent mechanism 8 and vacuum chamber 9, in the transmitting terminal of described X-ray pipe 1, X-ray detector 5, analyzing crystal device 6 plenum chambers 9, described sample tray 2, vacuum extractor 4 are connected with vacuum chamber 9 by flange, place testing sample 3 on the described sample tray 2; Described analyzing crystal device electric rotating machine 7 is connected control analyzing crystal device 6 with analyzing crystal device detent mechanism 8; Described control device comprises signal processing unit 10, control module 15 and Computerized analysis system 16; The electric signal that X ray conversion of signals in the detector 5 is become enters Computerized analysis system by signal processing unit 10, by display device output 17 or by control module 15 control basicity instrument parts.Described X-ray detector 5 comprises detector turning axle 51 and detector rotary positioning mechanism 52; Described detector turning axle 51 is connected with detector rotary positioning mechanism 52, X-ray detector 5 is accurately located, the characteristic X-ray kind of some crystal refraction is more simultaneously, same crystal also can be measured multiple element, can be implemented in a multielement under the refracting crystal by the control detector anglec of rotation and measure.Described analyzing crystal device 6 comprises analyzing crystal 61, crystal rotating shaft 62 and crystal cartridge 63; Described crystal cartridge 63 is regular triangular prism shaped, be fixed with analyzing crystal 61 on the faceted pebble, described crystal rotating shaft 62 is connected with crystal cartridge 63, three blocks of analyzing crystals are surveyed three kinds of different elements respectively, the polylith crystal can also be placed in the analyzing crystal device 6 and a greater variety of elements can be measured simultaneously, can also analyze multiple element by changing analyzing crystal, enlarge the Measurement and analysis scope.Described detector turning axle 51 is vertical mutually with described analyzing crystal rotating shaft 62.It is described that to be detected device turning axle 51 vertical mutually with described analyzing crystal rotating shaft 62.Signal processing unit 10 comprises prime amplifier 11, main amplifier 12, multichannel analyzer 13 and the interface arrangement 14 that connects in regular turn; Described Computerized analysis system 16 is connected alternately with control module 15, and described computing machine can directly be exported the measurement result of element and the basicity value in the sample; Described control module 15 is connected with sample tray 2, vacuum extractor 4, X-ray pipe 1, analyzing crystal electric rotating machine 7 and the detector electric rotating machine 51 of basicity instrument respectively, and the control corresponding component.
Principle of work of the present invention is: tested iron ore is put into three-element dual alkalinity instrument sample disc 2 be placed on vacuum chamber 9 after grinding, being suppressed into standard model, system control unit 15 is with sample tray 2 rising sealed interfaces; 4 pairs of vacuum chambers 9 of system control unit 15 control vacuum extractors vacuumize; When vacuum tightness was brought up to a certain degree, system control unit 15 control X-ray pipes 1 sent x-ray bombardment testing sample 3, reflect characteristic X-ray; After characteristic X-ray shines analyzing crystal device 6, a certain special angle is reflected the characteristic X-ray of certain single-element; X-ray detector 5 receives a certain single-element characteristic X-ray that reflects through analyzing crystal 61 at special angle, detector becomes electric signal with the X ray conversion of signals, the electric signal that X-ray detector 5 sends is uploaded to computing machine through prime amplifier 11, main amplifier 12, multichannel analyzer 13, interface arrangement 14 after handling, after computing machine 16 receives first elements are contained signal, send instruction to control module 15; Control module 15 is subjected to instructing back control light-dividing device electric rotating machine 7 to rotate, and utilizes light-dividing device detent mechanism 8 to carry out accurate angle orientation; Control module 15 control detector electric rotating machine 51 rotations simultaneously utilize detector whirligig detent mechanism 52 to carry out accurate angle orientation.Computing machine can accurately be exported the relative content of Fe in the test sample, Ca, three kinds of elements of Si, by with computing machine in the curve that fits preserved compare, can draw the content of CaO and SiO2 in this sample, the content value of these two kinds of materials has shown the basicity in this sample.Kind and quantity that the accurate basicity of measuring in the calculation sample can be the interpolation of next process batching provide foundation.As basicity in the sample bigger than normal will add sand (SiO2) at next process on the contrary then to add unslaked lime (CaO); This apparatus measures time generally is no more than 10 minutes, is far smaller than chemico-analytic 1～2 hour, is particularly suitable for particularly sintering industry quantity-produced demand of iron and steel metallurgy enterprise.Three-element dual alkalinity analysis system of the present invention, measuring accuracy are higher than the X fluorescent element analyser of energy dispersion, and single element measurement capability price is lower than traditional wavelength dispersion elemental analyser.
It is worthy of note that protection scope of the present invention is not limited to above-mentioned instantiation mode, this device also can be used on industries such as measuring cement, coal, is used to measure the constituent of cement, the ash of coal etc.According to basic fundamental design of the present invention, as long as those of ordinary skills need not through creative work, the embodiment that can associate all belongs to protection scope of the present invention.
Claims (5)
1. a three-element dual alkalinity analysis system is characterized in that, comprises basicity instrument and control device; Described basicity instrument comprises: X-ray pipe (1), sample tray (2), vacuum extractor (4), X-ray detector (5), analyzing crystal device (6), analyzing crystal device electric rotating machine (7), analyzing crystal device detent mechanism (8) and vacuum chamber (9), the transmitting terminal of described X-ray pipe (1), X-ray detector (5), analyzing crystal device (6) are arranged in the vacuum chamber (9), described sample tray (2), vacuum extractor (4) are connected with vacuum chamber (9) by flange, and described sample tray (2) is gone up and placed testing sample (3); Described analyzing crystal device electric rotating machine (7) is connected control analyzing crystal device (6) with analyzing crystal device detent mechanism (8); Described control device comprises signal processing unit (10), control module (15) and Computerized analysis system (16); The electric signal that X ray conversion of signals in the detector (5) is become enters Computerized analysis system by signal processing unit (10), by display device output (17) or by control module (15) control basicity instrument parts.
2. three-element dual alkalinity analysis system according to claim 1 is characterized in that, described X-ray detector (5) comprises detector turning axle (51) and detector rotary positioning mechanism (52); Described detector turning axle (51) is connected with detector rotary positioning mechanism (52), and X-ray detector (5) is accurately located.
3. three-element dual alkalinity analysis system according to claim 1 is characterized in that, described analyzing crystal device (6) comprises analyzing crystal (61), crystal rotating shaft (62) and crystal cartridge (63); Described crystal cartridge (63) is regular triangular prism shaped, is fixed with analyzing crystal (61) on the faceted pebble, and described crystal rotating shaft (62) is connected with crystal cartridge (63).
4. according to claim 2 or 3 described three-element dual alkalinity analysis systems, it is characterized in that described detector turning axle (51) is vertical mutually with described analyzing crystal rotating shaft (62).
5. three-element dual alkalinity analysis system according to claim 1 is characterized in that, signal processing unit (10) comprises prime amplifier (11), main amplifier (12), multichannel analyzer (13) and the interface arrangement (14) that connects in regular turn; Described Computerized analysis system (16) is connected alternately with control module (15); Described control module (15) is connected with sample tray (2), vacuum extractor (4), X-ray pipe (1), analyzing crystal electric rotating machine (7) and the detector electric rotating machine (51) of basicity instrument respectively, and the control corresponding component.
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNA2007101504373A CN101446562A (en) | 2007-11-27 | 2007-11-27 | Three-element dual alkalinity analysis system |
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| Application Number | Priority Date | Filing Date | Title |
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| CNA2007101504373A CN101446562A (en) | 2007-11-27 | 2007-11-27 | Three-element dual alkalinity analysis system |
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| CN101446562A true CN101446562A (en) | 2009-06-03 |
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| CNA2007101504373A Pending CN101446562A (en) | 2007-11-27 | 2007-11-27 | Three-element dual alkalinity analysis system |
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101806759A (en) * | 2010-03-16 | 2010-08-18 | 北京矿冶研究总院 | X-ray spectrometer and mineral composition analyzer |
| CN101806758A (en) * | 2010-04-16 | 2010-08-18 | 谢加地 | Seed crystal detection method and device thereof |
| CN102642254A (en) * | 2012-05-14 | 2012-08-22 | 云南蓝晶科技股份有限公司 | Crystal face directional detection bonding table |
-
2007
- 2007-11-27 CN CNA2007101504373A patent/CN101446562A/en active Pending
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101806759A (en) * | 2010-03-16 | 2010-08-18 | 北京矿冶研究总院 | X-ray spectrometer and mineral composition analyzer |
| CN101806759B (en) * | 2010-03-16 | 2012-07-04 | 北京矿冶研究总院 | X-ray spectrometer and mineral composition analyzer |
| CN101806758A (en) * | 2010-04-16 | 2010-08-18 | 谢加地 | Seed crystal detection method and device thereof |
| CN101806758B (en) * | 2010-04-16 | 2012-11-21 | 泰安市泰晶电子科技有限公司 | Seed crystal detection method and device thereof |
| CN102642254A (en) * | 2012-05-14 | 2012-08-22 | 云南蓝晶科技股份有限公司 | Crystal face directional detection bonding table |
| CN102642254B (en) * | 2012-05-14 | 2014-04-23 | 云南蓝晶科技股份有限公司 | Crystal face directional detection bonding table |
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Open date: 20090603 |