CN103353603A - Detection method of stone radioactivity - Google Patents
Detection method of stone radioactivity Download PDFInfo
- Publication number
- CN103353603A CN103353603A CN2013102462759A CN201310246275A CN103353603A CN 103353603 A CN103353603 A CN 103353603A CN 2013102462759 A CN2013102462759 A CN 2013102462759A CN 201310246275 A CN201310246275 A CN 201310246275A CN 103353603 A CN103353603 A CN 103353603A
- Authority
- CN
- China
- Prior art keywords
- radioactivity
- stone
- stone material
- detection
- detection method
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Pending
Links
Landscapes
- Measurement Of Radiation (AREA)
Abstract
The invention provides a detection method of stone radioactivity. In the prior art, detection cost is high; the detection method is complex; a detection result error is large and so on. By using the method of the invention, the above technical problems are solved. In order to realize an invention purpose, the detection method of the stone radioactivity comprises the step that a NT6108 radioactivity detector and a CoMo170 radioactivity surface contamination instrument are successively used to detect radiation amounts of alpha, beta and gamma of the stone. The method of the invention has the advantages that the detection method of the stone radioactivity is provided; a detection process is simplified; detection cost is reduced; detection precision is increased; comprehensive radioactivity detection can be performed on a raw material so as to ensure that the stone which enters into a processing and production process 100% does not possess a radioactivity standard exceeding phenomenon; reinspection of a radioactivity degree can be performed on a stone product; an environmental protection property and security of the natural stone used in building decoration and exterior wall fields can be further ensured.
Description
Technical field
The present invention relates to a kind of technical field of TERRAZZO detection means, relate in particular to the radioactive detection method of a kind of stone material.
Background technology
The modern architecture field is for the natural marble of building decoration and outer wall material, α, the β, the gamma-rays that generally have harm humans health.According to China's national standard (State Standard of the People's Republic of China GB6566-2010), must strictly stop the radiological hazard for building stone.At Ornamental Stone Industry, radioactivity restriction standard is early arranged, but does not have the monitoring system of science, thereby cause in this field real carry out effective monitoring still seldom.In the building materials market of the prior art, generally can not detect on a large scale stone material and waste material, mainly be because testing cost is too high, the detection method more complicated, reduced the production efficiency of processing enterprise, in addition, its testing result may have larger error, probably causes the waste of good stone material or the disastrous effect that the radioactivity stone material comes into the market.
Summary of the invention
The invention provides the radioactive detection method of a kind of stone material, to solve many technical matterss such as the testing cost that exists in the prior art is too high, detection method is complicated, the testing result error is larger.
For realizing above-mentioned goal of the invention, the present invention adopts following technical scheme:
The radioactive detection method of a kind of stone material comprises the steps:
Detect α, β, the γ radiation amount of stone material with the NT6108 radiac;
Stain α, β, the γ radiation amount that instrument detects stone material with the CoMo170 radioactive surface.
α, the β of described detection stone material product, γ radiation amount comprise the steps:
The numerical value of detected parameters IRa and parameter I r;
If detected parameters IRa≤1.0 and Ir≤1.3, described stone material can be applicable to any building place;
If detected parameters IRa≤1.3 and Ir≤1.9, described stone material can be used for the exterior finish of buildings and outdoor;
If detected parameters Ir≤1.9, described stone material can be used for the exterior finish of II class covil construction;
If detected parameters Ir 〉=2.8, described stone material can be used for the depopulated zone;
The manufacturer of above-mentioned NT6108 radiac is upper hamming nuclear instrument company limited;
The manufacturer that above-mentioned CoMo170 radioactive surface stains instrument is DS state GRAETZ company.
The invention has the advantages that, provide a kind of stone material radioactive detection method, simplify testing process, reduce testing cost, improve accuracy of detection, can be to the stone material starting material---waste material carries out 100% radiological measuring, does not have the radioactivity phenomenon that exceeds standard with the stone material 100% of guaranteeing to enter the processing program, also can carry out radioactivity level to the stone material finished product and recheck, can guarantee that like this lithotome is in the feature of environmental protection and the security of building decoration and the use of exterior wall field.
Embodiment
Below the present invention is described in further detail.
The invention provides the radioactive detection method of a kind of stone material, comprise the steps:
Step 1) detects α, β, the γ radiation amount of stone material with the NT6108 radiac.
Limit the quantity of by GB6566-2010[radioactive material nucleic] standard, A, B, C radioactivity grade that the NT6108 radiac can the automatic decision stone material.
The technical parameter of NT6108 radiac is as follows:
Measurement range: 0.01uGy/h (10nGy/h)-100 uGy/h (105 nGy/h); Energy valve: 40keV; The related coefficient of measure linear: radioactive intensity γ and calculation rate CPS 〉=0.999; Stability :≤6%; Accuracy:＜20%; (8) counting sensitivity: 1 uGy/h(103 nGy/h)) 〉=350 cps; Measuring intervals of TIME: measured once in per 3 seconds, and showed the mean value of per second; Also can select voluntarily arbitrary grade of measurement in 10 seconds, 30 seconds, 60 seconds, 300 seconds, 600 seconds with timing mode, with the instrument display mean value of p.s..
Wherein, α, the β of described detection stone material product, γ radiation amount comprise the steps:
The numerical value of detected parameters IRa and parameter I r; IRa internal radiation index, Ir external exposure index;
If detected parameters IRa≤1.0 and Ir≤1.3, described stone material can be applicable to any building place;
If detected parameters IRa≤1.3 and Ir≤1.9, described stone material can be used for the exterior finish of buildings and outdoor;
If detected parameters Ir≤1.9, described stone material can be used for the exterior finish of II class covil construction;
If detected parameters Ir 〉=2.8, described stone material can be used for the depopulated zone.
Step 2) stains α, β, the γ radiation amount that instrument detects stone material with the CoMo170 radioactive surface.
The CoMo170 radioactive surface stains instrument and adopts the GM detection method, in order to monitor radiation work place and surface, the α of the work top in laboratory, floor, wall, hand, clothes, footwear, β, γ and X radioactive contamination count measurement and Environmental dose rate are the high radiation meters of a cost performance.
The technical parameter of CoMo170 radioactive surface contamination instrument is as follows:
Type photodetector: ZnS coating, plastic film scintillator detector; Detector size: 170cm
2Type of alarm: sound and light alarm; Unit: cps, Bq or Bq/cm
2, when external dose rate probe, show n/u/mSv/h; Nuclide library: 25 nucleic, and reset zero offset capability; This storehouse deduction: deduction and not deduct background optional, but sample-out count time free setting; Background: α: 0.1cps; β/γ 15-25 cps.
Wherein, α, the β of described detection stone material product, γ radiation amount comprise the steps:
The numerical value of detected parameters IRa and parameter I r;
If detected parameters IRa≤1.0 and Ir≤1.3, described stone material can be applicable to any building place;
If detected parameters IRa≤1.3 and Ir≤1.9, described stone material can be used for the exterior finish of buildings and outdoor;
If detected parameters Ir≤1.9, described stone material can be used for the exterior finish of II class covil construction;
If detected parameters Ir 〉=2.8, described stone material can be used for the depopulated zone.
The invention has the advantages that, provide a kind of stone material radioactive detection method, simplify testing process, reduce testing cost, improve accuracy of detection, can be to the stone material starting material---waste material carries out 100% radiological measuring, does not have the radioactivity phenomenon that exceeds standard with the stone material 100% of guaranteeing to enter the processing program, also can carry out radioactivity level to the stone material finished product and recheck, can guarantee that like this lithotome is in the feature of environmental protection and the security of building decoration and the use of exterior wall field.
The above only is preferred implementation of the present invention; should be pointed out that for those skilled in the art, without departing from the inventive concept of the premise; can also make some improvements and modifications, these improvements and modifications also should be considered within the scope of protection of the present invention.
Claims (2)
1. the radioactive detection method of stone material is characterized in that, comprises the steps:
Detect α, β, the γ radiation amount of stone material with the NT6108 radiac;
Stain α, β, the γ radiation amount that instrument detects stone material with the CoMo170 radioactive surface.
2. the radioactive detection method of stone material as claimed in claim 1 is characterized in that, α, the β of described detection stone material product, γ radiation amount comprise the steps:
The numerical value of detected parameters IRa and parameter I r;
If detected parameters IRa≤1.0 and Ir≤1.3, described stone material can be applicable to any building place;
If detected parameters IRa≤1.3 and Ir≤1.9, described stone material can be used for the exterior finish of buildings and outdoor;
If detected parameters Ir≤1.9, described stone material can be used for the exterior finish of II class covil construction;
If detected parameters Ir 〉=2.8, described stone material can be used for the depopulated zone.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2013102462759A CN103353603A (en) | 2013-06-20 | 2013-06-20 | Detection method of stone radioactivity |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2013102462759A CN103353603A (en) | 2013-06-20 | 2013-06-20 | Detection method of stone radioactivity |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN103353603A true CN103353603A (en) | 2013-10-16 |
Family
ID=49309990
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2013102462759A Pending CN103353603A (en) | 2013-06-20 | 2013-06-20 | Detection method of stone radioactivity |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN103353603A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111076991A (en) * | 2018-12-11 | 2020-04-28 | 广东特地陶瓷有限公司 | Preparation method and application of substrate for rapidly measuring external irradiation dose of ceramic tile |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP1530091A1 (en) * | 2003-11-07 | 2005-05-11 | ASML Netherlands B.V. | Radiation detector |
| CN1659601A (en) * | 2002-06-12 | 2005-08-24 | 俄亥俄昆泰尔公司 | Method and apparatus for detection of radioactive material |
| CN101065684A (en) * | 2004-11-23 | 2007-10-31 | 皇家飞利浦电子股份有限公司 | Radiation dosimeter |
| CN201057539Y (en) * | 2006-12-21 | 2008-05-07 | 核工业北京地质研究院 | Portable gamma radiation gage with global positioning system |
| CN102656477A (en) * | 2009-11-30 | 2012-09-05 | 国际商业机器公司 | Dosimeter powered by passive RF absorption |
-
2013
- 2013-06-20 CN CN2013102462759A patent/CN103353603A/en active Pending
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1659601A (en) * | 2002-06-12 | 2005-08-24 | 俄亥俄昆泰尔公司 | Method and apparatus for detection of radioactive material |
| EP1530091A1 (en) * | 2003-11-07 | 2005-05-11 | ASML Netherlands B.V. | Radiation detector |
| CN101065684A (en) * | 2004-11-23 | 2007-10-31 | 皇家飞利浦电子股份有限公司 | Radiation dosimeter |
| CN201057539Y (en) * | 2006-12-21 | 2008-05-07 | 核工业北京地质研究院 | Portable gamma radiation gage with global positioning system |
| CN102656477A (en) * | 2009-11-30 | 2012-09-05 | 国际商业机器公司 | Dosimeter powered by passive RF absorption |
Non-Patent Citations (3)
| Title |
|---|
| 卓蓉晖: "建筑装饰材料放射性污染的监测", 《建材技术与应用》, 31 December 2003 (2003-12-31) * |
| 熊建安 等: "岩石、矿物和自然环境中天然放射性剂量研究", 《湖南师范大学自然科学学报》, vol. 31, no. 4, 31 December 2008 (2008-12-31) * |
| 黄丽华 等: "进口花岗岩石材中天然放射性水平检测分析", 《海峡预防医学杂志》, vol. 10, no. 2, 31 December 2004 (2004-12-31) * |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111076991A (en) * | 2018-12-11 | 2020-04-28 | 广东特地陶瓷有限公司 | Preparation method and application of substrate for rapidly measuring external irradiation dose of ceramic tile |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| Abo-Elmagd et al. | Radiological hazards of TENORM in the wasted petroleum pipes | |
| Joel et al. | Assessment of natural radionuclides and its radiological hazards from tiles made in Nigeria | |
| CN101210971A (en) | Radioactive matter ray spectral range recognition method and ray spectral range probe system | |
| Isinkaye et al. | Radiological health assessment of natural radioactivity in the vicinity of Obajana cement factory, North Central Nigeria | |
| Gouda et al. | Calibration of well-type NaI (Tl) detector using a point sources measured out the detector well at different axial distances | |
| Ghose et al. | Radiological significance of marble used for construction of dwellings in Bangladesh | |
| Bae et al. | Plastic scintillator beta ray scanner for in-situ discrimination of beta ray and gamma ray radioactivity in soil | |
| Ademola et al. | Radionuclide content of concrete building blocks and radiation dose rates in some dwellings in Ibadan, Nigeria | |
| CN103353603A (en) | Detection method of stone radioactivity | |
| Zhang et al. | A gamma–gamma coincidence/anticoincidence spectrometer for low-level cosmogenic 22Na/7Be activity ratio measurement | |
| CN204705719U (en) | A kind of portable radioactive contamination meter | |
| Khan et al. | Environmental radioactivity in Dera Ismail Khan and its adjacent area-Pakistan | |
| CN201004087Y (en) | A radioactive material radial energy area detection system | |
| Popov et al. | Measuring low activities of fission-product xenon isotopes using the β-γ coincidence method | |
| US20220244409A1 (en) | Personal wearable dosimeter for neutrons | |
| KR101057768B1 (en) | Apparatus and method for measuring environmental radiation in air | |
| Kadum et al. | Measurement of natural radioactivity in cement of Tlemcen-Algeria by using well-Shape NaI (Tl) detector | |
| Normand et al. | MA-NRBC: First successful attempt for neutron gamma discrimination in plastic scintillators | |
| Chałupnik et al. | Measurements of radon and thoron decay products in air. An application of LSC and TLD methods | |
| Diab | Accuracy and precision of RAD7 and RAD H2O accessories radon detector in water measurement based on counting statistics for sniff and normal modes. | |
| Crockett et al. | Radon as an anthropogenic indoor air pollutant as exemplified by radium-dial watches and other uranium-and radium-containing artefacts | |
| KR20040097081A (en) | Method of a Multipurpose Environmental Radiation Monitoring and a Portable Environmental Radiation Monitor by using the Method | |
| Biswas et al. | Measurement of number albedo of backscattered photons for tin and lead | |
| Kim et al. | Feasibility of underwater radiation detector using a silicon photomultiplier (SiPM) | |
| Sánchez | Estimating retrospective indoor radon concentrations with a new device |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C06 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| C02 | Deemed withdrawal of patent application after publication (patent law 2001) | ||
| WD01 | Invention patent application deemed withdrawn after publication |
Application publication date: 20131016 |