CN104237048A - Method for rapidly detecting head rice rate of purchased and warehoused unhusked rice - Google Patents
Method for rapidly detecting head rice rate of purchased and warehoused unhusked rice Download PDFInfo
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- CN104237048A CN104237048A CN201310243879.8A CN201310243879A CN104237048A CN 104237048 A CN104237048 A CN 104237048A CN 201310243879 A CN201310243879 A CN 201310243879A CN 104237048 A CN104237048 A CN 104237048A
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Abstract
The invention discloses a method for rapidly detecting the head rice rate of purchased and warehoused unhusked rice. The method comprises the following steps of preparing instrument and equipment, sampling the unhusked rice, uniformly mixing the sample, separating the sample, adjusting before the detection, rapidly measuring the moisture, rapidly measuring impurities, rapidly detecting the head rice rate, examining and comparing data, analyzing the data and processing the data. The method for rapidly detecting the head rice rate of the unhusked rice can be provided in a purchasing busy season to increase the inspection speed and provide data evidence for scientific and reasonable processing and assurance of the product quality of enterprises, and evidence is also provided for scientific and reasonable pricing by quality and planting of the high-quality paddy rice variety, so that the income of farmers can be increased.
Description
technical field:
The present invention relates to a kind of purchase warehouse-in Whole White Rice Percentage Dynamic method for quick.
background technology:
Existing Whole White Rice Percentage Dynamic detection method is: experimentally the best amount of milling of rice mill, a certain amount of clean paddy sample (mo) is taken from test sample, with the experiment hulling machine shelling through adjustment, from brown rice, sort out paddy kernel put into hulling machine and again shell (or manual shelling), until all purify, gained brown rice is all placed in the experiment rice mill of adjustment, be milled to Best Times, machining precision is up to state standards three grades of rice, after removing chaff powder, sort out head milled rice and weigh (m), and result of calculation.In this detection method, from clean paddy to head milled rice, through two operations: rice huller paddy only rough, select head milled rice process bothersome a lot of, reviewer increases, and does not catch up with purchase storage, causes undetected, flase drop, so that paddy quality can not be purchased by fair appraisal, affect Business Economic Benefit.
summary of the invention:
The object of this invention is to provide a kind of purchase warehouse-in Whole White Rice Percentage Dynamic method for quick;
The present invention adopts following technical scheme to realize its goal of the invention, a kind of purchase warehouse-in Whole White Rice Percentage Dynamic method for quick, its adopt instrument and equipment preparations, paddy sample flow process, sample blending and divide sample preparation flow, survey frontly to adjust, high-speed moisture determination, impurity Fast Measurement, head rice rate detect fast, data check and contrast, data analysis, data processing ten technological processes complete its preparation method;
Instrument and equipment prepares: prepare the instrument and equipment, the facility that detect, comprising: CA1104N electronic balance, degree of accuracy is 0.01g; Sampling sharp-pointed tube, divides two kinds, the long 75cm of packaging sampling sharp-pointed tube mono-, one, sampling sharp-pointed tube 2m tri-hole in bulk; FYQ80-2 bronze object sample spliter one, capacity is 2kg; Each one of sample cylinder, sample bowl, capacity is 1-2kg; Grain sorting sieve is a set of; The electronic screening washer 120n/min of JJSD mono-; LTJM-2008 rice polisher one; Sampling dish is a set of;
Paddy sample flow process: flow process mainly comprises two aspects: first, utensil and the method for selecting sample, sample is carried out according to raw grain transportation modes selection packaging sampling sharp-pointed tube or sampling sharp-pointed tube in bulk, if select packaging sampling sharp-pointed tube, its method is by downward for sampling sharp-pointed tube notch, insert the other end of bag from one end diagonally opposing corner of bag, then notch upwards takes out; If select sampling sharp-pointed tube in bulk, its method is first closed by sampling sharp-pointed tube notch in bulk, inserted after in Bulk Grain by sampling sharp-pointed tube, then open notch by relevant regulations, until raw grain profusely afterwards by notch closedown, accesses point sample by regulation.The second, be the bag number of sample and count, in packaging sample process, keep often bag sample number of times consistent, and the bag number of regulation packaging sampling is no less than 5%, but is generally the equal sample of visible bag, sample authenticity and representative can be guaranteed; In sample process in bulk, take point diacritical point to carry out, simultaneously in conjunction with popular sampling (as: conveying belt), do parallel experiment, in sample process, keep often some sampling number of times consistent.Finally gathering gained sample weight is 2g;
Sample blending and a point sample preparation flow: by the set of sample sample blending, mix three times, pat sample spliter at every turn, then sample will be mixed by predetermined operation, separate four kinds of samples: keeping sample 1000g, the assorted sample 500g of inspection, survey water sample 200g, inspection head rice rate sample 140g, for the detection of relevant item, wherein keeping sample is after separating, by regulation record, and carry out sealing retention;
Adjustment before surveying: by the sample of same breed, identical weight, identical particle shape, same rice polisher is tested repeatedly, adjusts to when meeting GB three grades of rice requirements, record sample dosage, milling time at that time, guarantee that polished rice broken rice rate is less than 6.0%, white rice processing uniform precision;
High-speed moisture determination: the survey water sample 200g gone out by point sample adopts Computerized moisture to survey instrument soon, repeatedly measures and record, asks its mean value, the moisture value got;
Impurity Fast Measurement: the sample 500g that the inspection that point sample goes out mixed is through the removal of impurities such as the electronic screening washer of JJSD, grain sorting sieve, the assorted process of choosing, by all accumulation of impurities also with the electronic balance weighing of precision 0.01g, and record, calculate, its computing formula is impurity (B)=1008* impurity quality/sample matter;
Head rice rate detects fast: directly adopt rice polisher experimental method to detect, its step comprises: the first step, and sample weighs, namely according to 4.2 points of samples got (containing assorted), with one of percentage electronic balance precise 140g sample, and line item of going forward side by side; Second step, cleaning, cleans with water totally by grinding house, chaff dressing sieve; 3rd step, setting-up time, namely according to polished rice adjustment situation, is set as 30s by rice polisher grinding time; 4th step, mills, and opens rice polisher power switch, rice polisher is run well uninterrupted, otherwise, need again to detect; 5th step, head milled rice is examined and determine, the polished rice of milling through cereal screen out assorted after, choose length on request and reach 3/4ths and the above grain of rice (referring to the average length of the complete grain of rice); 6th step, head milled rice weighs and calculates, and the head milled rice of pick is placed in precise on one of percentage electronic balance, and line item of going forward side by side, calculates head rice rate simultaneously, and its computing formula is:
m
H= —————— ×100
M
0(1-B)
((
7th step, check analysis, namely according to quick testing result, in conjunction with parallel experiment error 1.5%, contrasts with normal detected value, if error exceeds normal range, then Water demand Producing reason;
Data check and contrast: if when error exceeds normal range, first whether testing result is correct, if the result obtained after detecting remains exceed normal range, then contrast according to previous experiences value and quick detected value, when result difference is larger, adopt the checking of GB/T21719-2008 Whole White Rice Percentage Dynamic method of inspection;
Data analysis: error exceed normal range larger time, Water demand Producing reason while checking, can consider from the following aspects: 1, instrument error, whether because instrument is longer for service time, machine ages etc. cause error comparatively large, note power supply, inspection correct that rice polisher iron rolls, grinding time, precision etc. of milling simultaneously; 2, operate miss, checks the accuracy of method of operating, guarantees that the same sample of same person, same method of operating operate on same machine; 3, raw material error, investigates one by one rice variety, particle shape, drying mode, moisture, impurity, storage time etc., whether has had influence on the head rice rate of paddy;
Data processing: according to previous experiences, the data drawn are: moisture 12.5%-14.5%, brown rice yield 76.7%, head rice rate value 47.2%.
Its goal of the invention is achieved preferably owing to have employed technique scheme the present invention, in the purchase busy season, a kind of method of quick detection Whole White Rice Percentage Dynamic can be provided, to accelerate inspection speed, also be enterprise scien`, reasonably process, ensure that product quality provides data foundation, also achieve science simultaneously, the foundation of fixing the price according to the quality reasonably is provided, for grain quality rice kind plantation mechanism provides foundation, guarantee increasing peasant income.
specific implementation method:
Below in conjunction with embodiment, summary of the invention is described further:
embodiment 1:
From summary of the invention, a kind of purchase warehouse-in Whole White Rice Percentage Dynamic method for quick, its adopt instrument and equipment preparations, paddy sample flow process, sample blending and divide sample preparation flow, survey frontly to adjust, high-speed moisture determination, impurity Fast Measurement, head rice rate detect fast, data check and contrast, data analysis, data processing ten technological processes complete its preparation method;
Instrument and equipment prepares: prepare the instrument and equipment, the facility that detect, comprising: CA1104N electronic balance, degree of accuracy is 0.01g; Sampling sharp-pointed tube, divides two kinds, the long 75cm of packaging sampling sharp-pointed tube mono-, one, sampling sharp-pointed tube 2m tri-hole in bulk; FYQ80-2 bronze object sample spliter one, capacity is 2kg; Each one of sample cylinder, sample bowl, capacity is 1-2kg; Grain sorting sieve is a set of; The electronic screening washer 120n/min of JJSD mono-; LTJM-2008 rice polisher one; Sampling dish is a set of.
Paddy sample flow process: flow process mainly comprises two aspects: first, utensil and the method for selecting sample, sample is carried out according to raw grain transportation modes selection packaging sampling sharp-pointed tube or sampling sharp-pointed tube in bulk, if select packaging sampling sharp-pointed tube, its method is by downward for sampling sharp-pointed tube notch, insert the other end of bag from one end diagonally opposing corner of bag, then notch upwards takes out; If select sampling sharp-pointed tube in bulk, its method is first closed by sampling sharp-pointed tube notch in bulk, inserted after in Bulk Grain by sampling sharp-pointed tube, then open notch by relevant regulations, until raw grain profusely afterwards by notch closedown, accesses point sample by regulation.The second, be the bag number of sample and count, in packaging sample process, keep often bag sample number of times consistent, and the bag number of regulation packaging sampling is no less than 5%, but is generally the equal sample of visible bag, sample authenticity and representative can be guaranteed; In sample process in bulk, take point diacritical point to carry out, simultaneously in conjunction with popular sampling (as: conveying belt), do parallel experiment, in sample process, keep often some sampling number of times consistent.Finally gathering gained sample weight is 2g.
sample blending and a point sample preparation flow: by the set of sample sample blending, mix three times, pat sample spliter at every turn, then sample will be mixed by predetermined operation, separate four kinds of samples: keeping sample 1000g, the assorted sample 500g of inspection, survey water sample 200g, inspection head rice rate sample 140g, for the detection of relevant item, wherein keeping sample is after separating, by regulation record, and carry out sealing retention.
Adjustment before surveying: by the sample of same breed, identical weight, identical particle shape, same rice polisher is tested repeatedly, adjusts to when meeting GB three grades of rice requirements, record sample dosage, milling time at that time, guarantee that polished rice broken rice rate is less than 6.0%, white rice processing uniform precision.
High-speed moisture determination: the survey water sample 200g gone out by point sample adopts Computerized moisture to survey instrument soon, repeatedly measures and record, asks its mean value, the moisture value got.
Impurity Fast Measurement: the sample 500g that the inspection that point sample goes out mixed is through the removal of impurities such as the electronic screening washer of JJSD, grain sorting sieve, the assorted process of choosing, by all accumulation of impurities also with the electronic balance weighing of precision 0.01g, and record, calculate, its computing formula is impurity (B)=1008* impurity quality/sample matter.
Head rice rate detects fast: directly adopt rice polisher experimental method to detect, its step comprises: the first step, and sample weighs, namely according to 4.2 points of samples got (containing assorted), with one of percentage electronic balance precise 140g sample, and line item of going forward side by side; Second step, cleaning, cleans with water totally by grinding house, chaff dressing sieve; 3rd step, setting-up time, namely according to polished rice adjustment situation, is set as 30s by rice polisher grinding time; 4th step, mills, and opens rice polisher power switch, rice polisher is run well uninterrupted, otherwise, need again to detect; 5th step, head milled rice is examined and determine, the polished rice of milling through cereal screen out assorted after, choose length on request and reach 3/4ths and the above grain of rice (referring to the average length of the complete grain of rice); 6th step, head milled rice weighs and calculates, and the head milled rice of pick is placed in precise on one of percentage electronic balance, and line item of going forward side by side, calculates head rice rate simultaneously, and its computing formula is:
m
H= —————— ×100
M
0(1-B)
((
7th step, check analysis, namely according to quick testing result, in conjunction with parallel experiment error 1.5%, contrasts with normal detected value, if error exceeds normal range, then Water demand Producing reason.
Data check and contrast: if when error exceeds normal range, first whether testing result is correct, if the result obtained after detecting remains exceed normal range, then contrast according to previous experiences value and quick detected value, when result difference is larger, adopt the checking of GB/T21719-2008 Whole White Rice Percentage Dynamic method of inspection.
Data analysis: error exceed normal range larger time, Water demand Producing reason while checking, can consider from the following aspects: 1, instrument error, whether because instrument is longer for service time, machine ages etc. cause error comparatively large, note power supply, inspection correct that rice polisher iron rolls, grinding time, precision etc. of milling simultaneously; 2, operate miss, checks the accuracy of method of operating, guarantees that the same sample of same person, same method of operating operate on same machine; 3, raw material error, investigates one by one rice variety, particle shape, drying mode, moisture, impurity, storage time etc., whether has had influence on the head rice rate of paddy.
Data processing: according to previous experiences, the data drawn are: moisture 12.5%-14.5%, brown rice yield 76.7%, head rice rate value 47.2%.
Claims (1)
1. a purchase warehouse-in Whole White Rice Percentage Dynamic method for quick, it is characterized in that its adopt instrument and equipment preparations, paddy sample flow process, sample blending and divide sample preparation flow, survey frontly to adjust, high-speed moisture determination, impurity Fast Measurement, head rice rate detect fast, data check and contrast, data analysis, data processing ten technological processes complete its preparation method;
Instrument and equipment prepares: prepare the instrument and equipment, the facility that detect, comprising: CA1104N electronic balance, degree of accuracy is 0.01g; Sampling sharp-pointed tube, divides two kinds, the long 75cm of packaging sampling sharp-pointed tube mono-, one, sampling sharp-pointed tube 2m tri-hole in bulk; FYQ80-2 bronze object sample spliter one, capacity is 2kg; Each one of sample cylinder, sample bowl, capacity is 1-2kg; Grain sorting sieve is a set of; The electronic screening washer 120n/min of JJSD mono-; LTJM-2008 rice polisher one; Sampling dish is a set of;
Paddy sample flow process: flow process mainly comprises two aspects: first, utensil and the method for selecting sample, sample is carried out according to raw grain transportation modes selection packaging sampling sharp-pointed tube or sampling sharp-pointed tube in bulk, if select packaging sampling sharp-pointed tube, its method is by downward for sampling sharp-pointed tube notch, insert the other end of bag from one end diagonally opposing corner of bag, then notch upwards takes out; If select sampling sharp-pointed tube in bulk, its method is first closed by sampling sharp-pointed tube notch in bulk, inserted after in Bulk Grain by sampling sharp-pointed tube, then open notch by relevant regulations, until raw grain profusely afterwards by notch closedown, accesses point sample by regulation; The second, be the bag number of sample and count, in packaging sample process, keep often bag sample number of times consistent, and the bag number of regulation packaging sampling is no less than 5%, but is generally the equal sample of visible bag, sample authenticity and representative can be guaranteed; In sample process in bulk, take point diacritical point to carry out, simultaneously in conjunction with popular sampling (as: conveying belt), do parallel experiment, in sample process, keep often some sampling number of times consistent; Finally gathering gained sample weight is 2g;
Sample blending and a point sample preparation flow: by the set of sample sample blending, mix three times, pat sample spliter at every turn, then sample will be mixed by predetermined operation, separate four kinds of samples: keeping sample 1000g, the assorted sample 500g of inspection, survey water sample 200g, inspection head rice rate sample 140g, for the detection of relevant item, wherein keeping sample is after separating, by regulation record, and carry out sealing retention;
Adjustment before surveying: by the sample of same breed, identical weight, identical particle shape, same rice polisher is tested repeatedly, adjusts to when meeting GB three grades of rice requirements, record sample dosage, milling time at that time, guarantee that polished rice broken rice rate is less than 6.0%, white rice processing uniform precision;
High-speed moisture determination: the survey water sample 200g gone out by point sample adopts Computerized moisture to survey instrument soon, repeatedly measures and record, asks its mean value, the moisture value got;
Impurity Fast Measurement: the sample 500g that the inspection that point sample goes out mixed is through the removal of impurities such as the electronic screening washer of JJSD, grain sorting sieve, the assorted process of choosing, by all accumulation of impurities also with the electronic balance weighing of precision 0.01g, and record, calculate, its computing formula is impurity (B)=1008* impurity quality/sample matter;
Head rice rate detects fast: directly adopt rice polisher experimental method to detect, its step comprises: the first step, and sample weighs, namely according to 4.2 points of samples got (containing assorted), with one of percentage electronic balance precise 140g sample, and line item of going forward side by side; Second step, cleaning, cleans with water totally by grinding house, chaff dressing sieve; 3rd step, setting-up time, namely according to polished rice adjustment situation, is set as 30s by rice polisher grinding time; 4th step, mills, and opens rice polisher power switch, rice polisher is run well uninterrupted, otherwise, need again to detect; 5th step, head milled rice is examined and determine, the polished rice of milling through cereal screen out assorted after, choose length on request and reach 3/4ths and the above grain of rice (referring to the average length of the complete grain of rice); 6th step, head milled rice weighs and calculates, and the head milled rice of pick is placed in precise on one of percentage electronic balance, and line item of going forward side by side, calculates head rice rate simultaneously, and its computing formula is:
m
H= —————— ×100
M
0(1-B)
((
7th step, check analysis, namely according to quick testing result, in conjunction with parallel experiment error 1.5%, contrasts with normal detected value, if error exceeds normal range, then Water demand Producing reason;
Data check and contrast: if when error exceeds normal range, first whether testing result is correct, if the result obtained after detecting remains exceed normal range, then contrast according to previous experiences value and quick detected value, when result difference is larger, adopt the checking of GB/T21719-2008 Whole White Rice Percentage Dynamic method of inspection;
Data analysis: error exceed normal range larger time, Water demand Producing reason while checking, can consider from the following aspects: 1, instrument error, whether because instrument is longer for service time, machine ages etc. cause error comparatively large, note power supply, inspection correct that rice polisher iron rolls, grinding time, precision etc. of milling simultaneously; 2, operate miss, checks the accuracy of method of operating, guarantees that the same sample of same person, same method of operating operate on same machine; 3, raw material error, investigates one by one rice variety, particle shape, drying mode, moisture, impurity, storage time etc., whether has had influence on the head rice rate of paddy;
Data processing: according to previous experiences, the data drawn are: moisture 12.5%-14.5%, brown rice yield 76.7%, head rice rate value 47.2%.
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Cited By (6)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN104749067A (en) * | 2015-04-15 | 2015-07-01 | 安徽古井贡酒股份有限公司 | Detection method for content of impurities of wine-brewing rice husks |
CN104865286A (en) * | 2015-06-19 | 2015-08-26 | 贵州湄潭茅坝龙脉皇米有限公司 | Method for increasing head rice yield of high-quality rice |
CN105092407A (en) * | 2015-08-05 | 2015-11-25 | 广东省粮食科学研究所 | Husked rice yield and head rice rate continuous measuring method for rice |
CN107843283A (en) * | 2017-09-26 | 2018-03-27 | 中国水稻研究所 | A kind of head rice rate method for predicting medium-length brown rice |
CN108680456A (en) * | 2018-06-19 | 2018-10-19 | 北京天凯华尊科技有限公司 | Raw grain intelligent checking system |
CN115684510A (en) * | 2023-01-04 | 2023-02-03 | 中储粮成都储藏研究院有限公司 | Grain intelligent sampling inspection method |
-
2013
- 2013-06-19 CN CN201310243879.8A patent/CN104237048A/en active Pending
Cited By (7)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN104749067A (en) * | 2015-04-15 | 2015-07-01 | 安徽古井贡酒股份有限公司 | Detection method for content of impurities of wine-brewing rice husks |
CN104865286A (en) * | 2015-06-19 | 2015-08-26 | 贵州湄潭茅坝龙脉皇米有限公司 | Method for increasing head rice yield of high-quality rice |
CN105092407A (en) * | 2015-08-05 | 2015-11-25 | 广东省粮食科学研究所 | Husked rice yield and head rice rate continuous measuring method for rice |
CN107843283A (en) * | 2017-09-26 | 2018-03-27 | 中国水稻研究所 | A kind of head rice rate method for predicting medium-length brown rice |
CN108680456A (en) * | 2018-06-19 | 2018-10-19 | 北京天凯华尊科技有限公司 | Raw grain intelligent checking system |
CN115684510A (en) * | 2023-01-04 | 2023-02-03 | 中储粮成都储藏研究院有限公司 | Grain intelligent sampling inspection method |
CN115684510B (en) * | 2023-01-04 | 2023-04-07 | 中储粮成都储藏研究院有限公司 | Grain intelligent sampling inspection method |
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Application publication date: 20141224 |