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YC/T 236-2008: Tobacco and tobacco products. Nondestructive detection of strip density variety ratio in case. Ionizing radiation method
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| Standard ID | Contents [version] | USD | STEP2 | [PDF] delivered in | Standard Title (Description) | Status | PDF |
| YC/T 236-2008 | English | 289 |
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Tobacco and tobacco products. Nondestructive detection of strip density variety ratio in case. Ionizing radiation method
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YC/T 236-2008
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Basic data | Standard ID | YC/T 236-2008 (YC/T236-2008) | | Description (Translated English) | Tobacco and tobacco products. Nondestructive detection of strip density variety ratio in case. Ionizing radiation method | | Sector / Industry | Tobacco Industry Standard (Recommended) | | Classification of Chinese Standard | X87 | | Classification of International Standard | 65.160 | | Word Count Estimation | 11,126 | | Date of Issue | 2008-04-14 | | Date of Implementation | 2008-04-14 | | Quoted Standard | GB 18871-2002; YC/T 147-2001 | | Issuing agency(ies) | State Tobacco Monopoly Administration | | Summary | This standard specifies the box sheet tobacco density deviation detection method. This standard applies to film inside the smoke density deviation NDT. | YC/T 236-2008: Tobacco and tobacco products. Nondestructive detection of strip density variety ratio in case. Ionizing radiation method
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Tobacco and tobacco products.Nondestructive detection of strip density variety ratio in case.Ionizing radiation method
ICS 65.160
X87
Record Number. 23579-2008
People's Republic of China tobacco industry standards
Tobacco and tobacco products inside the chip smoke density variation rate
NDT Ionizing Radiation Law
Posted 2008-04-14
2008-04-14 implementation
State Tobacco Monopoly Bureau issued
Foreword
The Standard Appendix A, Appendix B and Appendix C are normative appendix.
This standard was proposed by the State Tobacco Monopoly Bureau.
This standard by the National Standardization Technical Committee on Tobacco (TC144) centralized.
This standard was drafted. China Tobacco Standardization Research Center, Zhengzhou Tobacco Research Institute, China Tobacco Machinery Group Co., Ltd., China
State tobacco company, Tianchang International Tobacco Co., Ltd., Beijing Bangrui Da Control Equipment Co., Ltd., Qinhuangdao Tobacco Machinery Co., Ltd. Company
Secretary, Guangdong Tobacco Company.
The main drafters of this standard. Qian Feng, Wang law, Li Bin, Gu Ju water, An Initial Liang Yuan, Zheng Jining, Huqi Xiu, Fan Li, Zhang Zhijian,
Di was born, Zhao Jijun, Wen Dongqi.
Tobacco and tobacco products inside the chip smoke density variation rate
NDT Ionizing Radiation Law
1 Scope
This standard specifies the method for detecting smoke density deviation inside the piece rate.
This standard applies to non-destructive testing smoke density deviation inside the piece rate.
2 Normative references
The following documents contain provisions which, through reference in this standard and become the standard terms. For dated references, subsequent
Amendments (not including errata content) or revisions do not apply to this standard, however, encourage the parties to the agreement are based on research
Whether the latest versions of these documents. For undated reference documents, the latest versions apply to this standard.
GB 18871-2002 ionizing radiation protection and safety of radiation sources basic standards
YC/T 147-2001 threshing tobacco quality inspection
3 Terms and Definitions
The following terms and definitions apply to this standard.
3.1
Detection of analytes without causing damage.
3.2
Box sheet relative standard deviations of the smoke density, reflecting the box sheet tobacco density uniformity.
Principle 4
In this method, the sheets are placed in the smoke box rectangular in cross-section cabinets test equipment, the instrument housing consists of a pair of mutually corresponding
Or three pairs of equally spaced X- ray emitting device and X- ray detector constituted. X- ray emitting device can emit steady X- ray, X- shot
X- ray line detector receives strength, Appendix A gives the working principle of X- ray emission device. During the test, the box equidistant sheet tobacco
Away from the longitudinal translation, one pair of corresponding X- ray emitting means traversing and X- ray detector, three pairs of X- ray emission means corresponding to the
And X- ray detector fixed position. According to density ρ1 detect how many pieces of sheet tobacco smoke box X- ray absorption nine test points, ρ2,
, Ρ9, then calculate the density ratio inside bias sheet tobacco according to the density value measured nine points. X- ray detector of smoke density of the original sheet
Li Appendix B.
5 Equipment
5.1 smoke density deviation inside the chip rate of non-destructive test instrument (see Figure 1) meet the following requirements.
The main component a) is a non-destructive tester or three pairs of X- ray emission means and X- ray detector;
Resolution b) of the instrument. Chip smoke density resolution of not less than 1kg/m3;
c) the instrument range. Chip smoke density 100kg/m3 ~ 600kg/m3;
d) Zero drift. drift density shows less than 1% within 24h;
e) Results output. density ρ1 9 test points, ρ2,, ρ9, DVR value;
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