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CN103070193B - A chemical fuel anti-frost agent for fruit trees and preparation method thereof - Google Patents

A chemical fuel anti-frost agent for fruit trees and preparation method thereof Download PDF

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Publication number
CN103070193B
CN103070193B CN201310003313.8A CN201310003313A CN103070193B CN 103070193 B CN103070193 B CN 103070193B CN 201310003313 A CN201310003313 A CN 201310003313A CN 103070193 B CN103070193 B CN 103070193B
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frost
mixture
creme
preparation
chemical fuel
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CN103070193A (en
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丁改秀
陈亚芳
王保明
王小元
温鹏飞
付宝春
秦国杰
兰学成
王保国
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Institute Of Horticulture Shanxi Academy Of Agricultural Sciences
North University of China
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Institute Of Horticulture Shanxi Academy Of Agricultural Sciences
North University of China
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Abstract

本发明涉及果树霜冻灾害防控领域,具体是一种果树化学燃料防霜剂以及制备方法,解决了现有防霜剂存在的问题,其是由下列质量百分比的原料构成的,70~80%锯末,0.5%超细铝粉,15~23%硝酸钾,3~5%硝酸铵,1.5~1.9%明胶。本发明所述的果树化学燃料防霜剂具有易点燃、释放烟量大、释放热量多、燃烧时间长、易于运输、储存安全等优点,对于防控北方果树霜冻具有重要的意义,尤其能够防控仁用杏、核桃、大樱桃、桃、梨等果树的霜冻。

Figure 201310003313

The invention relates to the field of prevention and control of fruit tree frost disasters, in particular to a chemical fuel anti-frost agent for fruit trees and a preparation method, which solves the problems existing in existing anti-frost agents, and is composed of the following raw materials in mass percentages, 70-80% Sawdust, 0.5% superfine aluminum powder, 15-23% potassium nitrate, 3-5% ammonium nitrate, 1.5-1.9% gelatin. The fruit tree chemical fuel anti-frost agent of the present invention has the advantages of being easy to ignite, releasing a large amount of smoke, releasing more heat, long burning time, easy to transport, and safe in storage. Control the frost of fruit trees such as apricots, walnuts, big cherries, peaches, and pears.

Figure 201310003313

Description

Anti-creme of one planting fruit-trees chemical fuel and preparation method thereof
Technical field
The present invention relates to fruit tree frost calamity prevention and control field, specifically the anti-creme of a planting fruit-trees chemical fuel and preparation method.
Background technology
" frost " refers to " injury " that crop plant cells is subject to because of the invasion and attack of cold wave.Temperature is " bloom " lower than the ground of 0 ℃ with what have on body surface that condensation vapor becomes white crystals, moisture content less not frosting be " black frost ".Sunny calm night, because the frost of the cooling formation of radiation is called " radiation frost "; The frost that cold air invasion forms is called " advection frost "; The frost forming under two kinds of process synthesis effects is called " advection radiation frost ".The Spring frost of northern China generation in spring is mainly " advection radiation frost ", and the probability of generation late frost is larger.The frequency that this frost occurs is high, and the duration is long, and cooling extent is large, causes huge loss to the fruit trees such as apricot, walnut, large cherry, peach, pears for benevolence that bloom, germinate early.
Prevention and control frost calamity mainly adopts heating technique, air-supply technology, sprinkler irrigation technique, stalk fumigation technology etc. both at home and abroad.Heating technique (large-scale heater raising environmental temperature) and air-supply (high-power fan blower agitation air) technology, better to prevention and control " advection frost " effect, but need to consume a large amount of electric power, gaseous fuel, heavy oil equal energy source, frost protection cost is higher; Sprinkler irrigation technique is better to prevention and control " radiation frost " effect, but can only implement in the orchard with sprinkling irrigation equipment and water source, at orchard in mountain area, is difficult to promote; Traditional stalk, weeds fumigation technology and existing smoke agent technology be take and distributed smog as main, are only applicable to prevention and control " radiation frost ", and to prevention and control " advection frost " weak effect, the effect that its burning improves orchard temperature is limited.
" a kind of crops, the anti-creme of fruit tree chemical fuel and its preparation method and application " (patent publication No. CN 101990908 A) are the objects that the principle of killing ice nucleating bacteria by antibacterial and bactericidal agent reaches prevention and control frost, are mainly used in alleviating or prevent that subtropical fruit tree is as cold damage or the frost damage of banana, loquat, dragon fruit, strawberry, pineapple, pawpaw, emblic, tomato, tobacco etc.Its shortcoming mainly contains: (1) this liquid preparation component kind is more, and only Chinese medicine just has 3 kinds; (2) preparation technology's loaded down with trivial details (as traditional Chinese medicine ingredients is extracted); (3) range of application is mainly southern subtropical fruit tree.
Prevent and kill off apricot ice nucleating bacteria Chemicals and florescence antifrost effect (Acta Ecologica Sinica 10 phases in 2007) and discussed employing bud stage and spray liquid sterilization (ice nucleating bacteria) medicament, reach prevention late frost and freeze object.This measure is passive prevention technique, at bud stage, sprays, and field antifrost effect is only 21.8%.
" self-control aerosol antifrost effect is good " (northwest gardening 01 phase in 2005) uses sawdust, ammonium nitrate, charcoal end, diesel oil, by 60: 20: 15: 5 mass ratio, uniform stirring mixes, and then packs prevention and control frost in the containers such as carton, basket, cage into; The formula of frost prevention aerosol (Heilungkiang gardening 04 phase in 1977) aerosol is ammonium nitrate 20%, sawdust 70%, waste diesel 10%, by this part by weight, mixes, and puts into work durm or paper shell prevention and control frost.The shortcoming of above-mentioned two kinds of aerosols mainly contains: (1) preparation technology is dry pigmentation, exists material to stir inhomogeneous problem; (2) do not carry out processing and forming, bulk cargo is not easy to transportation and stores; (3) burning time short, antifrost effect is poor.
Summary of the invention
The problem that the present invention exists in order to solve existing anti-creme, provides a kind of anti-creme of fruit tree chemical fuel and preparation method that can alleviate or prevent northern fruit tree frost.
The present invention is achieved by the following technical solutions: the anti-creme of a planting fruit-trees chemical fuel is that the raw material by following mass percent forms, 70~80% sawdusts, 0.5% superfine aluminium power, 15~23% potassium nitrate, 3~5% ammonium nitrate, 1.5~1.9% gelatin.
Described superfine aluminium power is purchased from the superfine aluminium power product on market.In the present invention, sawdust and superfine aluminium power are fuel agent, and potassium nitrate is oxidant, and ammonium nitrate is smoke agent, and gelatin is binding agent.If only take sawdust as fuel agent, fuel agent burning velocity is slower, and heating rate is lower, and antifrost effect is poor; If only take superfine aluminium power as fuel agent, fuel agent burning velocity is too fast, produces naked light, and local temperature is too high, and fruit tree is caused damage.
The proportioning of each raw material in the anti-creme of fruit tree chemical fuel of the present invention: be that to take its burning thermal discharge be principle, the oxygen balance of whole system of take is criterion, adopts EXCEL planning to solve it is carried out to proportioning calculating; In conjunction with the result of the test in early stage, the theoretical result of adjusting with test of calculating.Preferably the reasons are as follows of each raw material in the present invention:
(1) if the mass percent of potassium nitrate is less than 15%, oxidant content is not enough, causes fuel agent incomplete combustion, and the thermal discharge of anti-creme is not enough, does not reach the effect of frost prevention; If be greater than 23%, oxidant content is excessive, and in anti-creme, fuel agent is not enough, and antifrost effect is poor, causes the waste of oxidant simultaneously, has increased cost;
(2) mass percent of superfine aluminium power is less than 0.5%, fuel agent quantity not sufficient and oxidant is excessive, and the thermal discharge of anti-creme reduces and does not reach antifrost effect, causes the waste of oxidant; If be greater than 0.5%, fuel agent is excessive and oxidant is not enough, causes fuel agent fully not burn, and causes the waste of fuel agent, and superfine aluminium power is too much simultaneously, has caused the burning velocity of anti-creme very fast, produces naked light, causes local temperature too high, burns out fruit tree;
(3) mass percent of ammonium nitrate is less than 3%, and the cigarette of generation is less, does not reach the effect of holding cold air, and cold air continuous decrease, causes freezing injury of fruit trees, and it is shorter to leave time of fuel agent heat release frost prevention for, and anti-creme does not reach the effect of frost prevention; If be greater than 5%, the cigarette that ammonium nitrate produces is too much, can reach the effect that prevents that cold current from declining, and still, because ammonium nitrate is too much, needs more heat during decomposition, has reduced the thermal discharge of anti-creme, causes antifrost effect variation;
(4) mass percent of gelatin is less than 1.5%, and binding agent is very few, the formability variation of anti-creme, and yield rate is low, and production cost increases; If be greater than 1.9%, consumption of binder is superfluous, causes waste, has increased production cost;
(5) mass percent of sawdust is less than 70%, and fuel agent deficiency and oxidant is excessive causes the waste of oxidant, increases production cost, and the burning time of fuel agent is too short, and thermal discharge does not reach requirement, and antifrost effect is poor; If be greater than 80%, fuel agent surplus and oxidant is not enough, unnecessary fuel agent can only utilize airborne oxygen combustion, and burning velocity slows down, and heating rate declines, and antifrost effect is poor.
Raw material of the present invention is that the remarkable result of realizing prevention and control frost according to the occurrence condition of frost and the law of airflow is determined.During concrete use, light the anti-creme of fruit tree chemical fuel in orchard, as the potassium nitrate of oxidant, be heated decomposition, emit a large amount of heats and oxygen, temperature reaches ignition temperature; Superfine aluminium power and potassium nitrate decompose the oxygen generation oxidation reaction of emitting, heat is emitted in burning, sawdust utilizes potassium nitrate to decompose the oxygen of emitting, burning produces more heat, gelatin as adhesive also burns, increased air heat, the ammonium nitrate generation ammonia that is heated meanwhile, produce a large amount of smog, can form in orchard more stable " smoke, mists and clouds ", cover ground and shroud around fruit tree, there is the cold current of driveing, prevent the effect that cold current declines, to reduce " advection frost " and " radiation frost " harm to fruit tree crop.
It is as follows that raw material of the present invention specifically reacts formula:
2KNO 3=K 2o+2.5O 2+ N 2+ Q v(the reaction formula of potassium nitrate);
4Al+3O 2=2Al 2o 3+ Q v(the reaction formula of superfine aluminium power);
C+O 2=CO 2+ Q v(the reaction formula of sawdust);
2 (CH 2-NH-CO) n+ nO 2=2nCO 2+ 3nH 2o+nN 2+ Q v(the reaction formula of gelatin);
NH 4nO 3=NH 3+ HNO 3-Q v(the reaction formula of ammonium nitrate).
Further, the preparation method of the described anti-creme of fruit tree chemical fuel, comprises the steps: that (1) is dissolved in potassium nitrate, ammonium nitrate in the water of 50 ~ 60 ℃, mixes, and obtains the first mixture; (2) sawdust, superfine aluminium power, gelatin are evenly mixed, obtain the second mixture; (3) the first mixture is progressively uniformly mixed in the second mixture, obtains the 3rd mixture; (4) the 3rd mixture is put in mould compressing, under 100 ℃ of environment, dried, packing, obtains product.
The preparation method of the anti-creme of fruit tree chemical fuel of the present invention, water in step (1) is to use as the solvent that dissolves potassium nitrate and ammonium nitrate, and the compressing use in step (4), those skilled in the art just can well control the addition of water through simple experiment.
What preparation method of the present invention adopted is wet mixing-recrystallization-adhesive-moulding-drying process, this technique is with respect to the preparation method of conventional (being dry mixed), interior each raw material of product mixes more even, the combustibility better (can light with a piece of paper) of product.Wherein, wet mixing program need not special installation, adopts simple artificial or mechanical agitation mixed method can reach requirement.
The anti-creme of fruit tree chemical fuel of the present invention has easily lights, discharges that cigarette amount is large, release heat is many, burning time is long, be easy to the advantages such as transportation, storage safe, for prevention and control north fruit tree frost, have great importance, especially can prevention and control the frost of the fruit tree such as apricot, walnut, large cherry, peach, pears for benevolence.
Application example: according to weather forecast, at first 1 day that the presence of the polar current, the anti-creme of fruit tree chemical fuel of the present invention is placed in to benevolence with apricot in the ranks; Walkie automatic frost protection alarm (the patent No.: 200620128137.6) be set to duty (alarm temperature is set to-1 ℃) simultaneously.50 (1.5 kilograms /) anti-creme products are evenly put in 5 Mu Renyongxing gardens.Automatic anti-frost alarm is lighted anti-creme with newspaper after reporting to the police fast one by one.After testing: in 5~10min, the smoke screen that smoke agent burning discharges can be covered with Ren Yongxing garden.After burning 10min, smoke agent starts release heat.60min left and right, orchard temperature remains on 2~3 ℃.Through investigating: it is 5% that colored rate is frozen in test Ren Yongxing garden, and contrast garden (not using anti-creme) freezes colored rate is 95%, and antifrost effect reaches 95%; Under similarity condition, the antifrost effect of commercially available frost prevention aerosol is 20%.
Accompanying drawing explanation
Fig. 1 is the preparation method's of the anti-creme of fruit tree chemical fuel of the present invention flow chart.
Embodiment
embodiment 1
The anti-creme of one planting fruit-trees chemical fuel, its preparation method is: 700g sawdust, 5g superfine aluminium power, 230g potassium nitrate, 46g ammonium nitrate, 19g gelatin is dry mixed.
embodiment 2
The anti-creme of one planting fruit-trees chemical fuel, its preparation method, comprises the steps: that (1) is dissolved in 150g potassium nitrate, 30g ammonium nitrate in the 800ml water of 50 ℃, mixes, and obtains the first mixture; (2) 800g sawdust, 5g superfine aluminium power, 15g gelatin are evenly mixed, obtain the second mixture; (3) the first mixture is progressively uniformly mixed in the second mixture, obtains the 3rd mixture; (4) the 3rd mixture is put in mould compressing, under 100 ℃ of environment, dried, packing, obtains product.
embodiment 3
The anti-creme of one planting fruit-trees chemical fuel, its preparation method, comprises the steps: that (1) is dissolved in 170g potassium nitrate, 50g ammonium nitrate in the 1000ml water of 60 ℃, mixes, and obtains the first mixture; (2) 758g sawdust, 5g superfine aluminium power, 17g gelatin are evenly mixed, obtain the second mixture; (3) the first mixture is progressively uniformly mixed in the second mixture, obtains the 3rd mixture; (4) the 3rd mixture is put in mould compressing, under 100 ℃ of environment, dried, packing, obtains product.

Claims (2)

1. the anti-creme of a planting fruit-trees chemical fuel, is characterized in that, is that the raw material by following mass percent forms, 70~80% sawdusts, 0.5% superfine aluminium power, 15~23% potassium nitrate, 3~5% ammonium nitrate, 1.5~1.9% gelatin.
2. the preparation method of the anti-creme of fruit tree chemical fuel as claimed in claim 1, is characterized in that, comprises the steps: that (1) is dissolved in potassium nitrate, ammonium nitrate in the water of 50 ~ 60 ℃, mixes, and obtains the first mixture; (2) sawdust, superfine aluminium power, gelatin are evenly mixed, obtain the second mixture; (3) the first mixture is progressively uniformly mixed in the second mixture, obtains the 3rd mixture; (4) the 3rd mixture is put in mould compressing, under 100 ℃ of environment, dried, packing, obtains product.
CN201310003313.8A 2013-01-06 2013-01-06 A chemical fuel anti-frost agent for fruit trees and preparation method thereof Expired - Fee Related CN103070193B (en)

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* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN104255717B (en) * 2014-08-27 2016-04-27 河南科技大学 A kind of orchard frost prevention smoke agent and preparation method thereof

Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN85103382A (en) * 1985-05-11 1986-09-03 东方农工商联合总公司 Nuisanceless heavy smog and smog carrier production method and propellant
CN1051844A (en) * 1990-12-22 1991-06-05 李矿 Aerosol
CN101926330A (en) * 2010-08-13 2010-12-29 陕西亿农高科药业有限公司 Safe, convenient and long-acting type frost prevention smoke agent
EP2392210A1 (en) * 2010-06-04 2011-12-07 Syngenta Participations AG Methods for increasing stress tolerance in plants

Patent Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN85103382A (en) * 1985-05-11 1986-09-03 东方农工商联合总公司 Nuisanceless heavy smog and smog carrier production method and propellant
CN1051844A (en) * 1990-12-22 1991-06-05 李矿 Aerosol
EP2392210A1 (en) * 2010-06-04 2011-12-07 Syngenta Participations AG Methods for increasing stress tolerance in plants
CN101926330A (en) * 2010-08-13 2010-12-29 陕西亿农高科药业有限公司 Safe, convenient and long-acting type frost prevention smoke agent

Non-Patent Citations (2)

* Cited by examiner, † Cited by third party
Title
C-H-N发烟剂防御霜冻的应用试验;甘肃省庆阳地区人工影响天气试验站;《气象科技资料》;19750829;第43-44页 *
甘肃省庆阳地区人工影响天气试验站.C-H-N发烟剂防御霜冻的应用试验.《气象科技资料》.1975,第43-44页.

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