CN101513178B - Method for deactivating quarantine weed seed in entry grain - Google Patents
Method for deactivating quarantine weed seed in entry grain Download PDFInfo
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- CN101513178B CN101513178B CN2009101319278A CN200910131927A CN101513178B CN 101513178 B CN101513178 B CN 101513178B CN 2009101319278 A CN2009101319278 A CN 2009101319278A CN 200910131927 A CN200910131927 A CN 200910131927A CN 101513178 B CN101513178 B CN 101513178B
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Abstract
The invention provides a method for deactivating quarantine weed seed in entry grain. The weed seed needed to be deactivated is irradiated by microwave for at least 6 minutes, wherein emission frequency of the microwave is 2450MHz, wavelength is 12.5cm, and temperature is 45-85 DEG C. The method provided by the present invention has strong practicability, can reuse tailing generated by entry grain, can save a great amount of cost of labor used, conveying cost and warehouse for storing, and reduces environmental pollution of burning.
Description
Technical field
The present invention relates to plant seed inactivation technology field, the method for quarantine weeds seed in the inward Cereals of particularly a kind of deactivation.
Background technology
Enter the territory Cereals batch in, the intercepting and capturing rate nearly 100% of quarantine weeds seed, pertinent regulations according to " The Quarantine Law of the P.C.C. Concerning Import andof Export Animals and Plants ", for preventing the injurious weed invasion, under the tight supervision of inspection and quarantine mechanism, each import grain processing factory all will carry out burning disposal to the offcuts that production and processing import grain produces, the way of some enterprise is that these offcuts are dropped in the boiler, because the calorific value that offcut as fuel produces is low, can not satisfy production requirement, could in boiler, feed intake by a certain percentage at regular intervals, upset Automatic Control of Boiler stoking program, should expend great amount of manpower, be unfavorable for environmental protection again; Wasted recycling offcuts resource simultaneously, the way that some enterprise adopts is that the offcuts that contain the quarantine weeds seed are piled up, save bit by bit and regularly deliver to destructor plant after a certain amount of and burn, expend a large amount of artificial, vehicle transport and burning expense.
Summary of the invention
Main purpose of the present invention is in order to address the above problem, a kind of method that adopts the weed seed that carries in the inward Cereals of microwave treatment technology deactivation is provided, not only practical, and the offcuts that import Cereals is produced are realized refuse reclamation, can save simultaneously a large amount of labour costs, fare again and preserve the field, storehouse, reduce and burn the environmental pollution that brings.
In order to achieve the above object, technical scheme provided by the invention is: the method for quarantine weeds seed in the inward Cereals of a kind of deactivation, be that the Cereals offcuts that will contain the quarantine weeds seed of necessary deactivation pass through the industrial micro-wave oven of tunnel type, (tranmitting frequency is 2450MHz with industrial microwave, wavelength is the microwave of 12.5CM) irradiation, the environmental temperature of adjusting irradiation is 45 ℃-85 ℃, irradiation inactivation time at least 6 minutes;
The operating efficiency problem of considering, the Cereals irradiation time in microwave irradiation deactivation equipment that contains weed seed that must deactivation are to be advisable in 6-12 minute;
Under the situation of not considering the weeds kind, containing the environmental temperature that the Cereals offcuts of quarantine weeds seed that must deactivation shine in microwave irradiation deactivation equipment is 85 ℃, and the irradiation inactivation time is 6 minutes a condition, is the deactivation condition of the best;
The Cereals offcuts that contain quarantine weeds seed that must deactivation need to remove earlier metal impurities wherein by before the microwave irradiation deactivation equipment;
Containing the weight of Cereals offcuts of quarantine weeds seed that must deactivation and the power ratio of microwave irradiation deactivation equipment is 10～15 kilograms every kilowatt.
Operation principle of the present invention is: use industrial microwave to cooperate the different environmental temperatures quarantine weeds seed that contains in the Cereals that enters the territory to shine, owing to have blodynamic weed seed after accepting the microwave energy of doses, produce fuel factor and non-thermal effect (biological effect), fuel factor is meant because microwave has high frequency characteristics, it changed with the billions of inferior surprising speed of the per second cycle of carrying out, polar molecule in the material is (typical in hydrone, protein, nucleic acid, fat, carbohydrate etc.) absorbed after the microwave energy, they are the trend that directionality is arranged under the effect of microwave, changed its original molecular structure.When direction of an electric field changes, also do the electric polarity motion with same speed, will cause the rotation of molecule, cause intermolecular frequent impact and produced a large amount of frictional heats, form with heat shows in material, thus cause material at short notice temperature raise rapidly, heating or slaking.Meanwhile, under the effect of microwave, pest in the material is subjected to nonpolarity warm-up movement and polarity is rotated the effect of two aspects and changed its permutation and combination state and characteristics of motion, promptly make the sex change inactivation of organism because of protein, and the some hydrogen bonds that make ribonucleic acid in the cell (RNA) and DNA (deoxyribonucleic acid) (DNA) are lax, fracture or reorganization, disturb or destroy its normal metabolic, heredity and breed---this is a biological effect.Because the acting in conjunction of these two kinds of effects the physiological structure of weed seed is damaged, thereby the vitality of losing reaches the disinfection purpose.
Because the requirement and the Cereals self characteristics of production and processing (industrialization), environmental temperature is relatively low, and the time that arrives whole deactivation irradiations is longer relatively; And environmental temperature is high relatively more, and the time that arrives whole deactivation irradiations is shorter relatively, because temperature is too high, can make the Cereals offcuts produce burnt the paste, though reach the deactivation purpose, broken Cereals self use value of having encircled.
Owing to often contain the little metal impurities of materials in the import grain offcuts, and metal is accepted can produce spark behind the microwave irradiation, causes that easily material handling catches fire, so will remove metal impurities wherein before weed seed enters microwave irradiation deactivation equipment.
Therefore, the method of quarantine weeds seed in the inward Cereals of a kind of deactivation of the present invention, it is a link of in the Cereals process of manufacture that enters the territory, carrying out simultaneously, not only practical, and the offcuts that import Cereals is produced are realized refuse reclamation, can save simultaneously a large amount of labour costs, fare again and preserve the field, storehouse, reduce and burn the environmental pollution that brings.
Embodiment:
Embodiment 1:
The microwave irradiation deactivation equipment of present embodiment adopts the 8 kilowatts 5 meters industrial micro-wave ovens of long tunnel formula, the width of transport tape is 60CM, material is the U.S., Brazil, Argentina, inward soybean, the barley of Australian four countries, we are when the boats and ships discharge at wharf, hand picking quarantine weeds seed in the ship storehouse is chosen 7 kinds of quarantine weeds artemisiifolias (Ambrosiaartemisifolia L.) of often intercepting and capturing in the Cereals that enters the territory altogether; Ambrosia trifida (Ambrosia trifida L.); France wild oat (Avena ludoviciana Dur.); Tribulus terrestris grass (Cenchrus echinatus L.); Toothed spurge (Euphorbia dentata Michx.); False Chinese sorghum (Sorghum halepensePers.); The general weed seed of intercepting and capturing in Xanthium (Xanthium Spp.) and the inward Cereals, wherein false Chinese sorghum are respectively from the U.S. and Argentinian soybean ship; Tribulus terrestris grass, toothed spurge are from Brazilian soybean ship; The France wild oat is from Australian barley ship; Artemisiifolia, Ambrosia trifida, Xanthium are all from the U.S. soybean ship; Soybean, barley offcuts.
To sneak into the quarantine weeds seed in the 1000Kg Cereals offcuts by the tunnel type micro wave stove, use the microwave tranmitting frequency to be 2450MHz, wavelength is 12.5CM, temperature is 45 ℃, different time carries out microwave irradiation to material wherein, choose quarantine weeds seed TTC checking in the material then, checking is the result show: the vitality that records the Xanthium seed in the time of 6 minutes is 0; The vitality that records toothed spurge in the time of 8 minutes is 0; The vitality that records artemisiifolia and Ambrosia trifida in the time of 10 minutes is 0; The vitality that records the tribulus terrestris grass in the time of 11 minutes is 0; The vitality that records French wild oat and false Chinese sorghum in the time of 12 minutes is 8%.
Adopt seed vigor tetrazolium dyeing determination method (TTC mensuration) during detection.Make chemical indicator with colourless triphenyltetrazolium chloride salting liquid, it participates in the reduction process of living cells in plant seed tissue, accept hydrogen ion from dehydrase, make triphenyltetrazolium chloride, through the perhydride effect, produce redness and stablize indiffusible San Ben Ji Jia Za in living cells, the chemical formula and the structural formula of its reaction are as follows:
DPNH2+TTC→DPN+TTCH+HCL
(coenzyme I H2) tetrazolium (coenzyme I) Jia Za hydrogen chloride
So just can dye the color and the position of seed according to tetrazolium liquid, that distinguishes the seed redness has vitality part and a colourless dead part, thereby judges the vitality of intercepting and capturing quarantine weeds seed.TTC determination method principle is reliable, not limited by seed dormancy, and method is simple and efficient, and (seed of newly gathering, dormant seed stores seed for many years) applied widely, the result is accurate
Embodiment 2:
The difference of present embodiment and the foregoing description is: adopt 1000Kg to sneak into the offcuts of the Cereals of quarantine weeds seed, adjusting heating-up temperature is 65 ℃, different time carries out the TTC checking to material, and checking is the result show: the vitality that records Xanthium seed and toothed spurge in the time of 6 minutes is 0; The vitality that records artemisiifolia and great ragweed in the time of 8 minutes is 0; The vitality that records the tribulus terrestris grass in the time of 9 minutes is 0; The vitality that records French wild oat and false Chinese sorghum in the time of 12 minutes is 0.
Embodiment 3:
The difference of present embodiment and the foregoing description is: adopt 1000Kg to sneak into the Cereals offcuts of quarantine weeds seed, adjusting heating-up temperature is 75 ℃, different time carries out the TTC checking to material, and checking is the result show: the vitality that records Xanthium seed, toothed spurge, artemisiifolia and Ambrosia trifida in the time of 6 minutes is 0; The vitality that records the tribulus terrestris grass in the time of 8 minutes is 0; The vitality that records French wild oat and false Chinese sorghum in the time of 11 minutes is 0.
Embodiment 4:
The difference of present embodiment and the foregoing description is: adopt 1000Kg to sneak into the offcuts of quarantine weeds seed, adjusting heating-up temperature is 80 ℃, different time carries out the TTC checking to material, and checking is the result show: the vitality that records Xanthium seed, toothed spurge, artemisiifolia, Ambrosia trifida and tribulus terrestris grass in the time of 6 minutes is 0; The vitality that records in the time of 8 minutes is 0; The vitality that records French wild oat and false Chinese sorghum in the time of 10 minutes is 0.
Embodiment 5:
The difference of present embodiment and the foregoing description is: adopt 1000Kg to sneak into the offcuts of quarantine weeds seed, adjusting heating-up temperature is 85 ℃, different time carries out the TTC checking to material, and checking is the result show: heat the vitality that records all weed seeds after 6 minutes and be 0.
Embodiment 6:
The difference of present embodiment and the foregoing description is: be variable with the temperature, 5 temperature T degree have been set, the offcuts of sneaking into the quarantine weeds seed of sneaking into the quarantine weeds seed are divided into 5 groups, and respectively to 5 group heating 6 minutes, do the TTC checking of 5 temperature T degree respectively, checking is the result show: heating is 6 minutes in the time of 45 ℃, and the vitality of the Xanthium in the material is 0; Heating is 6 minutes in the time of 65 ℃, and the Xanthium in the material and the vitality of toothed spurge are 0; Heating is 6 minutes in the time of 75 ℃, and the vitality of the Xanthium in the material, toothed spurge, artemisiifolia and great ragweed is 0; Heating is 6 minutes in the time of 80 ℃, and the vitality of the Xanthium in the material, toothed spurge, artemisiifolia, great ragweed and tribulus terrestris grass is 0; Heating is 6 minutes in the time of 85 ℃, and the vitality of all weed seeds in the material is 0.
The result shows: in 6 minutes processing times, treatment temperature is set in 85 ℃ can guarantee that 7 kinds of quarantine weeds seeds lose vitality, guarantees that simultaneously processed offcuts have use value, and for the industry energy conservation consumption reduction, creates the wealth.
Owing to often contain metal material impurity in the import grain offcuts, and metal is accepted can produce spark behind the microwave irradiation, causes that easily material handling catches fire, so before weed seed enters microwave irradiation deactivation equipment, will go out wherein metal impurities.
Microwave irradiation deactivation equipment should be installed between Cereals production and processing impurity removing vehicle, can in process of manufacture, obtain deactivation with the assorted shoulder to shoulder weed seed that reaches with lower volume of Cereals, the microwave treatment offcuts can run off with lower margin than the bulky weed seed of processing Cereals, so can reach the purpose of removing the evil.
To sum up, the method of quarantine weeds seed in the inward Cereals of a kind of deactivation of the present invention, under general situation, under the situation of not knowing the weeds kind, temperature 80 degree, shone 6 minutes, the basic deactivation of weed seed is brought up to 85 degree to temperature again, shines 6 minutes, guarantee the whole deactivations of weed seed, do not make the burnt paste of Cereals; Not only practical, and the offcuts realization refuse reclamation that import Cereals is produced, can save a large amount of labour costs, fare simultaneously again and preserve the field, storehouse, reduce and burn the environmental pollution that brings.
Claims (1)
1. the deactivation method of quarantine weeds seed in the Cereals that enters the territory, it is characterized in that: in Cereals production and processing link, the Cereals offcuts that will contain the quarantine weeds seed of necessary deactivation, by industrial micro-wave oven of tunnel type and employing microwave tranmitting frequency is 2450MHz, wavelength is the industrial microwave irradiation of 12.5CM, the environmental temperature of adjusting irradiation is 85 ℃, the irradiation inactivation time is 6 minutes, the described Cereals offcuts that contain quarantine weeds seed that must deactivation are by before the microwave irradiation, need to remove earlier metal impurities wherein, described must deactivation the Cereals offcuts weight that contains the quarantine weeds seed and the power ratio of microwave irradiation deactivation equipment be 10～15 kilograms every kilowatt.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2009101319278A CN101513178B (en) | 2009-03-27 | 2009-03-27 | Method for deactivating quarantine weed seed in entry grain |
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| Application Number | Priority Date | Filing Date | Title |
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| CN2009101319278A CN101513178B (en) | 2009-03-27 | 2009-03-27 | Method for deactivating quarantine weed seed in entry grain |
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| Publication Number | Publication Date |
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| CN101513178A CN101513178A (en) | 2009-08-26 |
| CN101513178B true CN101513178B (en) | 2011-04-20 |
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| CN2009101319278A Expired - Fee Related CN101513178B (en) | 2009-03-27 | 2009-03-27 | Method for deactivating quarantine weed seed in entry grain |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN104663879A (en) * | 2015-03-30 | 2015-06-03 | 安徽秋果食品有限公司 | Peanut storage method |
| CN113263041A (en) * | 2021-05-12 | 2021-08-17 | 黄埔海关技术中心 | Harmless treatment method for imported grain leftovers |
Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1408200A (en) * | 2002-09-05 | 2003-04-09 | 徐常青 | Microwave weeding and sterilizing method and microwave weeding, pest killing and sterilizing machine |
| CN1547905A (en) * | 2003-05-20 | 2004-11-24 | 武汉市农业机械化科学研究所 | Microwave physical method and apparatus for killing germ, virus and weed seed in soil |
| CN101218907A (en) * | 2007-01-10 | 2008-07-16 | 北京泰栢阳光科技发展有限公司 | Device for weeding, insect disinfestation and sterilizing with microwave |
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2009
- 2009-03-27 CN CN2009101319278A patent/CN101513178B/en not_active Expired - Fee Related
Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1408200A (en) * | 2002-09-05 | 2003-04-09 | 徐常青 | Microwave weeding and sterilizing method and microwave weeding, pest killing and sterilizing machine |
| CN1547905A (en) * | 2003-05-20 | 2004-11-24 | 武汉市农业机械化科学研究所 | Microwave physical method and apparatus for killing germ, virus and weed seed in soil |
| CN101218907A (en) * | 2007-01-10 | 2008-07-16 | 北京泰栢阳光科技发展有限公司 | Device for weeding, insect disinfestation and sterilizing with microwave |
Non-Patent Citations (1)
| Title |
|---|
| 高步衢等.微波加热快速杀灭林木种实害虫技术的研究.《植物检疫》.1990,37-46. * |
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