CN105203575B - Water quality heavy metal online analyzer and analysis method based on XRF technology - Google Patents
Water quality heavy metal online analyzer and analysis method based on XRF technology Download PDFInfo
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- CN105203575B CN105203575B CN201510618547.2A CN201510618547A CN105203575B CN 105203575 B CN105203575 B CN 105203575B CN 201510618547 A CN201510618547 A CN 201510618547A CN 105203575 B CN105203575 B CN 105203575B
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- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 title claims abstract description 93
- 229910001385 heavy metal Inorganic materials 0.000 title claims abstract description 54
- 238000005516 engineering process Methods 0.000 title claims abstract description 26
- 238000004458 analytical method Methods 0.000 title claims abstract description 16
- 238000005070 sampling Methods 0.000 claims abstract description 63
- 238000000889 atomisation Methods 0.000 claims abstract description 50
- 230000005540 biological transmission Effects 0.000 claims abstract description 44
- 238000001514 detection method Methods 0.000 claims abstract description 26
- 229910052751 metal Inorganic materials 0.000 claims abstract description 15
- 239000002184 metal Substances 0.000 claims abstract description 13
- 229920001296 polysiloxane Polymers 0.000 claims abstract description 8
- 238000012360 testing method Methods 0.000 claims abstract description 7
- 239000007788 liquid Substances 0.000 claims description 30
- 238000000034 method Methods 0.000 claims description 17
- 230000002572 peristaltic effect Effects 0.000 claims description 12
- 239000002245 particle Substances 0.000 claims description 11
- 239000013618 particulate matter Substances 0.000 claims description 11
- 230000008569 process Effects 0.000 claims description 8
- 239000000443 aerosol Substances 0.000 claims description 6
- 238000012545 processing Methods 0.000 claims description 6
- 238000001035 drying Methods 0.000 claims description 4
- 150000003839 salts Chemical class 0.000 claims description 4
- 230000008859 change Effects 0.000 claims description 3
- 230000005611 electricity Effects 0.000 claims description 3
- 230000033001 locomotion Effects 0.000 claims description 3
- 239000003595 mist Substances 0.000 claims description 3
- 238000001228 spectrum Methods 0.000 claims description 3
- 239000000126 substance Substances 0.000 claims description 3
- 230000009471 action Effects 0.000 claims description 2
- 230000000903 blocking effect Effects 0.000 claims description 2
- 230000007423 decrease Effects 0.000 claims description 2
- 230000001360 synchronised effect Effects 0.000 claims description 2
- 230000003111 delayed effect Effects 0.000 claims 1
- 238000005086 pumping Methods 0.000 claims 1
- 230000007613 environmental effect Effects 0.000 abstract description 5
- 238000012544 monitoring process Methods 0.000 abstract description 5
- 238000012423 maintenance Methods 0.000 abstract description 4
- RYGMFSIKBFXOCR-UHFFFAOYSA-N Copper Chemical compound [Cu] RYGMFSIKBFXOCR-UHFFFAOYSA-N 0.000 description 3
- 229910052785 arsenic Inorganic materials 0.000 description 3
- 229910052793 cadmium Inorganic materials 0.000 description 3
- BDOSMKKIYDKNTQ-UHFFFAOYSA-N cadmium atom Chemical compound [Cd] BDOSMKKIYDKNTQ-UHFFFAOYSA-N 0.000 description 3
- 239000003153 chemical reaction reagent Substances 0.000 description 3
- 229910052802 copper Inorganic materials 0.000 description 3
- 239000010949 copper Substances 0.000 description 3
- 230000035945 sensitivity Effects 0.000 description 3
- 230000003595 spectral effect Effects 0.000 description 3
- VYZAMTAEIAYCRO-UHFFFAOYSA-N Chromium Chemical compound [Cr] VYZAMTAEIAYCRO-UHFFFAOYSA-N 0.000 description 2
- PXHVJJICTQNCMI-UHFFFAOYSA-N Nickel Chemical compound [Ni] PXHVJJICTQNCMI-UHFFFAOYSA-N 0.000 description 2
- HCHKCACWOHOZIP-UHFFFAOYSA-N Zinc Chemical compound [Zn] HCHKCACWOHOZIP-UHFFFAOYSA-N 0.000 description 2
- RQNWIZPPADIBDY-UHFFFAOYSA-N arsenic atom Chemical compound [As] RQNWIZPPADIBDY-UHFFFAOYSA-N 0.000 description 2
- 229910052804 chromium Inorganic materials 0.000 description 2
- 239000011651 chromium Substances 0.000 description 2
- 239000013078 crystal Substances 0.000 description 2
- 238000009659 non-destructive testing Methods 0.000 description 2
- 229910052725 zinc Inorganic materials 0.000 description 2
- 239000011701 zinc Substances 0.000 description 2
- ZLMJMSJWJFRBEC-UHFFFAOYSA-N Potassium Chemical compound [K] ZLMJMSJWJFRBEC-UHFFFAOYSA-N 0.000 description 1
- 229910052770 Uranium Inorganic materials 0.000 description 1
- 230000003321 amplification Effects 0.000 description 1
- 238000013459 approach Methods 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000033228 biological regulation Effects 0.000 description 1
- 238000006243 chemical reaction Methods 0.000 description 1
- 238000004891 communication Methods 0.000 description 1
- 238000012937 correction Methods 0.000 description 1
- 238000013480 data collection Methods 0.000 description 1
- 238000011161 development Methods 0.000 description 1
- 238000002848 electrochemical method Methods 0.000 description 1
- 230000036541 health Effects 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 150000002500 ions Chemical class 0.000 description 1
- 238000002955 isolation Methods 0.000 description 1
- 229910052745 lead Inorganic materials 0.000 description 1
- 230000014759 maintenance of location Effects 0.000 description 1
- 230000035800 maturation Effects 0.000 description 1
- 230000007246 mechanism Effects 0.000 description 1
- QSHDDOUJBYECFT-UHFFFAOYSA-N mercury Chemical compound [Hg] QSHDDOUJBYECFT-UHFFFAOYSA-N 0.000 description 1
- 229910052753 mercury Inorganic materials 0.000 description 1
- 229910021645 metal ion Inorganic materials 0.000 description 1
- 239000002923 metal particle Substances 0.000 description 1
- 229910052759 nickel Inorganic materials 0.000 description 1
- 238000003199 nucleic acid amplification method Methods 0.000 description 1
- 238000005375 photometry Methods 0.000 description 1
- 238000005498 polishing Methods 0.000 description 1
- 229910052700 potassium Inorganic materials 0.000 description 1
- 239000011591 potassium Substances 0.000 description 1
- 230000002035 prolonged effect Effects 0.000 description 1
- 238000004445 quantitative analysis Methods 0.000 description 1
- 238000011084 recovery Methods 0.000 description 1
- 230000004044 response Effects 0.000 description 1
- 238000007789 sealing Methods 0.000 description 1
- 238000003860 storage Methods 0.000 description 1
- 239000002352 surface water Substances 0.000 description 1
- 238000012549 training Methods 0.000 description 1
- JFALSRSLKYAFGM-UHFFFAOYSA-N uranium(0) Chemical compound [U] JFALSRSLKYAFGM-UHFFFAOYSA-N 0.000 description 1
- 239000002351 wastewater Substances 0.000 description 1
- 238000003911 water pollution Methods 0.000 description 1
- 238000004846 x-ray emission Methods 0.000 description 1
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- Analysing Materials By The Use Of Radiation (AREA)
- Sampling And Sample Adjustment (AREA)
Abstract
Description
Claims (6)
- A kind of 1. water quality heavy metal online analyzer based on XRF technology, it is characterised in that including:Water sample atomization system System, example enrichment system, detecting system, strainer transmission system and control acquisition system;It is atomized caused by water sample atomization system Sample, example enrichment system is transferred to by silicone tube or metal tube, strainer transmission system will be enriched with after completing example enrichment Spot is sent to detecting system, and the control of above-mentioned each system and the collection of data pass through built-in intelligence by control acquisition system Software automatic synchronization is completed;Water sample atomization system, example enrichment system, strainer transmission system and detecting system pass through data wire It is connected with control acquisition system;Described water sample atomization system includes:Sample peristaltic pump (1), sample cell (2), first liquid level gauge (3), second liquid level gauge (4), ultrasonic atomizer (5), the first magnetic valve (6), second solenoid valve (7), air compressor (8), venturi scrubber (9), Drier (10);Sampling peristaltic pump (1), the first magnetic valve (6), sample cell (2) are connected by flexible pipe;Ultrasonic atomizer (5) is logical Cross fixed screw and be fixed on sample cell (2) bottom;First liquid level gauge (3) is individually fixed on sample cell with second liquid level gauge (4) Portion and bottom, the atomization volume of sample liquid can be determined by difference in height;Sample cell (2), second solenoid valve (7), venturi Connected between atomizer (9), drier (10) by silicone tube or metal tube, silicone tube or metal tube enter sample cell (2) position will be less than second liquid level gauge (4), guarantee to extract water sample atomization;Air compressor (8) is by flexible pipe to literary mound In atomizer (9) provide pure air be used for water sample atomization;The system realizes the gathering of water sample, quantitatively atomization forms aerosol Particle, by the way that the heavy metal salt in water is formed into dry particulate matter after drying.
- 2. in-line analyzer according to claim 1, it is characterised in that described example enrichment system includes:3rd electricity Magnet valve (11), sampling pipe lifting motor (12), sample stage (13), particulate filter (14), flow-control module (15), sampling Pump (16);It is metal tube connection between drier (10), the 3rd magnetic valve (11), sampling pipe lower end is in sampling pipe lifting motor (12) under action, sampling pipe can form closed sample space by extruding strainer (28) between sample stage (13);Sample Sample platform (13), particulate filter (14), flow-control module (15), sampling pump are connected between (16) by flexible pipe;Sample is rich Collecting system is enriched with by the way that the particulate matter dried caused by atomization system is drawn into strainer surface, realizes heavy metal thing in water The enrichment of matter.
- 3. in-line analyzer according to claim 1, it is characterised in that described detecting system includes:X ray light pipe (17), light pipe high voltage power supply (18) and XRF detector (19);X ray light pipe (17) is logical with light pipe high voltage power supply (18) Cross high-tension bus-bar connection;Light pipe high voltage power supply (18) and XRF detector (19) pass through data wire and industrial PC (31) connect;Detecting system is located at the right side of sample stage (13), the top of strainer (28), passes through XRF technology, realization pair The detection of different heavy metals.
- 4. in-line analyzer according to claim 1, it is characterised in that described strainer transmission system includes:Feed belt wheel (20), take-up pulley (21), smooth wheel, pinch roller (26), power transmission shaft (27), strainer (28);Feed belt wheel (20), the first smooth wheel (22) (27) are taken out and are located on the left of sample stage (13) with the 3rd smooth wheel (24), pinch roller (26), transmission, feeding belt wheel (20) can not It is disconnected to release strainer, then transmitted strainer 28 into example enrichment system by the coordination rotation of each several part;4th it is smooth wheel (25) and Second smooth wheel (23), take-up pulley (21) are located on the right side of sample stage (13);Take-up pulley (21) can be packed up constantly by rotating By the strainer of detection;Strainer (28) both ends, which are wound in, feeds on belt wheel (20) and take-up pulley (21), the motion of the collaboration of the two, energy Enough realize the continuous folding and unfolding of strainer (28);Strainer sample is realized by the frictional force between pinch roller (26) and power transmission shaft (27) Transmission between enrichment system and detecting system;Feed belt wheel (20), take-up pulley (21) is carried out accordingly with the transmission of strainer Folding and unfolding strainer, it is smooth wheel ensure strainer (28) in the smooth of whole transmission process.
- 5. in-line analyzer according to claim 1, it is characterised in that described control acquisition system includes:Water sample mist Change control board 29, enrichment transmission control circuit plate 30, industrial PC 31 and intelligence software;Water sample is atomized control board (29), it is enriched with driving circuit plate (30) to be connected with industrial PC (31) by data wire, intelligence software is installed on industrial PC (31) in.
- 6. a kind of method of analyzer on-line analysis using described in claim 1, it is characterised in that comprise the following steps:1) water sampling, atomization and example enrichment:First magnetic valve first (6), second solenoid valve (7) are in open mode, Sampling peristaltic pump (1) squeezes into water sample in sample cell (2) by sampling pipe, until the liquid level in sample cell (2) is by the first liquid level After meter (3) detects, close sampling peristaltic pump (1) and stop sampling, turn off the first magnetic valve (6), it is ensured that each sampling quantity Uniformity;Then start ultrasonic atomizer (5) and start beginning primary atomization, subsequent air compressor (8), which starts, drives venturi Atomizer (9) is further atomized;Air-flow after atomization is removed the water produced in aerosol particle, shape by drier (10) Into dry particulate matter, heavy metal substance can be resided in particle phase;It is synchronous to open the 3rd when venturi scrubber (9) is opened Magnetic valve (11), sampling pipe lifting motor (12) decline, and clamp strainer (28) between sample stage (13), form confined air Between;Sampling pump (16) is opened, the example enrichment of particulate matter is synchronously dried;Flow controller (15) control gas circuit pumping speed Degree, ensure the stability of sampling;Particulate filter (14) is used to protect flow controller, prevents from blocking;With entering for atomization OK, when the liquid level in sample cell (2) drops to second liquid level gauge (4) place, ultrasonic atomizer (5), air compressor (8), Two magnetic valves (7) are first closed;It is delayed after 20s, the 3rd magnetic valve (11), sampling pump (16) are closed successively;Sampling pipe lifting motor (12) rise;Complete collection, atomization and the enrichment process of sample;2) water sample is discharged:After the completion of water sample is atomized and is enriched with, the first magnetic valve (6) and second solenoid valve (7) are opened, sampling is compacted Dynamic pump (1) discharges all liq in sample cell (2), completes this sampling, and evacuated tube road, prepares adopting for next water sample Collection;3) sample detection:The strainer of enrichment is completed, test position is run to by transmission device, industrial PC (31) automatically controls Open light pipe high voltage power supply (18), X ray light pipe (17) and XRF detector 19;Industrial PC (31) software completes spectrum The collection and processing of figure, according to built-in working curve, finally it is calculated in water sample with reference to the data of collection and corresponds to heavy metal Concentration.
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Families Citing this family (7)
Publication number | Priority date | Publication date | Assignee | Title |
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CN105866153A (en) * | 2016-03-31 | 2016-08-17 | 北方工业大学 | Atmosphere heavy metal detection system |
CN106442591A (en) * | 2016-09-14 | 2017-02-22 | 钢研纳克检测技术有限公司 | Component control and signal exploration system for WEDXRF spectrometer |
CN107247013A (en) * | 2017-06-29 | 2017-10-13 | 苏州浪声科学仪器有限公司 | Atmosphere heavy metal in-line analyzer |
CN108593694A (en) * | 2018-05-10 | 2018-09-28 | 深圳市西凡谨顿科技有限公司 | The x-ray fluorescence online test method of increasing material manufacturing |
CN110873727A (en) * | 2018-09-04 | 2020-03-10 | 河北地质大学 | XRF-based analysis method for in-situ determination of water body metals |
CN109709126B (en) * | 2019-02-21 | 2021-11-02 | 中国科学院合肥物质科学研究院 | Automatic detection device and method for heavy metals in water body by algae enrichment-X-ray fluorescence spectrum |
CN114935638B (en) * | 2022-07-05 | 2024-08-16 | 南通艾森传感技术有限公司 | Online special water quality testing appearance of environmental protection |
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JP2003098126A (en) * | 2001-09-26 | 2003-04-03 | Rigaku Industrial Co | X-ray analyzer for having fluorescence and diffraction for common use |
JP5481321B2 (en) * | 2010-08-31 | 2014-04-23 | 株式会社日立ハイテクサイエンス | X-ray fluorescence analyzer and X-ray fluorescence analysis method |
JP2012093151A (en) * | 2010-10-26 | 2012-05-17 | Hitachi High-Tech Control Systems Corp | Fluorescent x-ray water quality meter and water quality management system |
CN104483339B (en) * | 2014-12-30 | 2017-03-22 | 钢研纳克检测技术有限公司 | On-line analyzer and analysis method of mercury in flue gas based on wet enrichment |
CN104569017B (en) * | 2014-12-31 | 2017-05-31 | 聚光科技(杭州)股份有限公司 | Heavy metal analysis device and its method of work in water |
CN104833689B (en) * | 2015-05-19 | 2018-05-01 | 钢研纳克检测技术股份有限公司 | In-line analyzer based on total mercury in dry method enriched flue gas |
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Address after: 100081 Beijing sorghum Bridge ramp street, No. 13, No. Patentee after: The detection technology of NCS Limited by Share Ltd Address before: 100081 Beijing sorghum Bridge ramp street, No. 13, No. Patentee before: NCS Testing Technology Co., Ltd. |
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Effective date of registration: 20210127 Address after: 100081 Beijing city Haidian District sorghum Bridge Street No. 13 Patentee after: NCS Testing Technology Co.,Ltd. Address before: No. 13 Liangqiao Skew Street, Haidian District, Beijing 100081 Patentee before: CHINA NIL Co.,Ltd. FOR PROFICIENCY TESTING |
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Effective date of registration: 20210517 Address after: 102206 No.3, Gaoxin 3rd Street, Changping District, Beijing Patentee after: BEIJING SDL TECHNOLOGY Co.,Ltd. Address before: 100081 Beijing city Haidian District sorghum Bridge Street No. 13 Patentee before: NCS Testing Technology Co.,Ltd. |
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