CN108184872A - A kind of pesticide dry suspending agent and its preparation and application method - Google Patents
A kind of pesticide dry suspending agent and its preparation and application method Download PDFInfo
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- CN108184872A CN108184872A CN201810014379.XA CN201810014379A CN108184872A CN 108184872 A CN108184872 A CN 108184872A CN 201810014379 A CN201810014379 A CN 201810014379A CN 108184872 A CN108184872 A CN 108184872A
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- A—HUMAN NECESSITIES
- A01—AGRICULTURE; FORESTRY; ANIMAL HUSBANDRY; HUNTING; TRAPPING; FISHING
- A01N—PRESERVATION OF BODIES OF HUMANS OR ANIMALS OR PLANTS OR PARTS THEREOF; BIOCIDES, e.g. AS DISINFECTANTS, AS PESTICIDES OR AS HERBICIDES; PEST REPELLANTS OR ATTRACTANTS; PLANT GROWTH REGULATORS
- A01N43/00—Biocides, pest repellants or attractants, or plant growth regulators containing heterocyclic compounds
- A01N43/90—Biocides, pest repellants or attractants, or plant growth regulators containing heterocyclic compounds having two or more relevant hetero rings, condensed among themselves or with a common carbocyclic ring system
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- A—HUMAN NECESSITIES
- A01—AGRICULTURE; FORESTRY; ANIMAL HUSBANDRY; HUNTING; TRAPPING; FISHING
- A01N—PRESERVATION OF BODIES OF HUMANS OR ANIMALS OR PLANTS OR PARTS THEREOF; BIOCIDES, e.g. AS DISINFECTANTS, AS PESTICIDES OR AS HERBICIDES; PEST REPELLANTS OR ATTRACTANTS; PLANT GROWTH REGULATORS
- A01N25/00—Biocides, pest repellants or attractants, or plant growth regulators, characterised by their forms, or by their non-active ingredients or by their methods of application, e.g. seed treatment or sequential application; Substances for reducing the noxious effect of the active ingredients to organisms other than pests
- A01N25/12—Powders or granules
- A01N25/14—Powders or granules wettable
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Abstract
The invention discloses a kind of pesticide dry suspending agent, the mass percent of the pesticide dry suspending agent each component is：Tricyclazole 50% 90%, wetting agent 1% 5%, dispersant 1% 15%, disintegrant 1% 10%, adhesive 1% 5%, fly anti-special assistant 1% 8%, antifoaming agent 0% 1%, filler complements to 100%.Pesticide dry suspending agent of the present invention solves the problems, such as to be also easy to produce crystallization and precipitated and separated during the often storage of high-content suspending agent, avoid dust from flying in dry granulation process, the defects of disintegration time is long, it is small grain size is provided simultaneously with, the advantages that good dispersion, suspensibility is high.In anti-application is flown, compared with water dispersible granules, have anti-volatilization, anti-drift, not blocking sprayer advantage, it is good that medicine drops in crop surface adhesion, reduces spraying times.The preparation process of pesticide dry suspending agent of the present invention is compared with other prillings, it is easy to accomplish continuous production and environmental protection.
Description
Technical field
The present invention relates to a kind of pesticide dry suspending agents, belong to field of pesticide preparation.
Background technology
In the agricultural production of current and future China, labor shortage becomes one of key factor of limitation agricultural development.
And using unmanned plane carry out plant protection sprinkling have sprinkling precisely, operating efficiency is high, applied widely, recruitment is few, water-saving saves medicine etc.
Notable sexual clorminance.
As agricultural plant protection unmanned plane flies the fast development of anti-cause, have every year nearly ten million mu of time farmland utilization plant protection without
Man-machine carry out spraying operation, plant protection unmanned plane is in pest and disease damage specialization Unifying control, pesticide reduction uses and plant protection Agent spraying machine
Change and played an important role on automated process, cost can be effectively saved, promote prevention and control efficiency.
Plant protection unmanned plane sprinkling dilution medicament total amount requirement conventional at present is no more than one kilogram per acre, belong to low capacity or
Ultra-low volume spray, extension rate are only 30-50 times, while must satisfy the requirement of sedimentation, anti-drift and high adhesion again, institute
With medicament based on the liquid preparations such as suspending agent, missible oil, aqueous emulsion, microemulsion.But due to part pesticide active ingredient physics and chemistry
The limitation of matter, it is difficult to it is prepared into liquid preparation, and existing solid dosage forms such as water dispersible granules, wettable powder, in dilution 30-
Dispersing uniformity is excessively poor at 50 times, easily generates liquid layering, precipitation, blocks the problems such as nozzle, it is caused to be dfficult to apply to
Low capacity or ultra-low volume spray.
Bactericide specially of the tricyclazole as prevention rice blast, dosage form is mainly with wettable powder and water-dispersible grain
Based on agent, water consumption 1.0L has a large amount of solids to occur when diluting.And after dosage form is changed to dry suspending agent, it can divide rapidly after adding water
Suspension is dissipated into, average grain diameter is small, and dispersion stabilization is good, and suspensibility is high, ensures that it can be applied to low capacity or super-low capacity
Amount spraying so that this old product has lasting vitality.
Invention content
The object of the present invention is to provide a kind of stable quality, safety and environmental protection, grain size is small, is done suitable for flying anti-pesticide
Suspending agent and preparation method thereof.
The present invention technical solution be：
A kind of pesticide dry suspending agent, it is characterised in that：By following masses percentage into being grouped as：Tricyclazole 50%-90%, profit
Humectant 1%-5%, dispersant 1%-15%, disintegrant 1%-10%, adhesive 1%-5%, fly anti-special assistant 1%-8%, disappear
Infusion 0%-1%, filler complement to 100%.
Wetting agent is selected from oxide block copolymers, butyl block copolymer, oleyl sodium sulfonate, dodecyl sulphate
Sodium, linear neopelex, alkylol polyoxyethylene base ether, isomeric alcohol polyethenoxy ether, fatty alcohol alkoxy compound,
The combination of one or more of Negel formaldehyde condensation products.
Dispersant is selected from EO/PO block polyethers, the alkylbenzenesulfonate of acrylic copolymer, molecular weight 1000-10000
One or more of formaldehyde condensation products, alkylnaphthalene sulfonate formaldehyde condensation products, sodium lignin sulfonate, calcium lignosulfonate
Combination.
Disintegrant is selected from ammonium sulfate, fructose, cornstarch, sucrose, potassium chloride, sodium tripolyphosphate, ethylenediamine tetra-acetic acid
（EDTA）One or more of combination.
The one kind or two of adhesive in sodium carboxymethylcellulose, polyvinylpyrrolidone, polyvinyl alcohol, polyethylene glycol
Kind or more combination.
Fly the one kind of anti-special assistant in castor oil alkoxylate, turpentine-based vegetable oil, polyalcohols, organosilicon
Or two or more combination；
Antifoaming agent is in organosiloxane, polyethers, C10-C20 representative examples of saturated aliphatic carboxylic ester and minerals oils antifoaming agent
One or more kinds of combinations.
Filler be selected from aluminum magnesium silicate, talcum powder, diatomite, atlapulgite, bentonite, one or both of kaolin with
On combination.
A kind of preparation method of pesticide dry suspending agent, it is characterised in that：First substance each in formula is used by mass percentage
Water is made into the slurry that solid content is 40 ~ 70%, and then carrying out wet pulverizing with sand mill is made suspended nitride, then passes through centrifugation
Formula spray dryer carry out mist projection granulating, after granulation particle by sieve particle diameter distribution 160 ~ 60 mesh dry suspending agent.
The average particle size distribution D90 of sand mill grinding rear suspension liquid is less than 5 microns.
The atomizer drier carries out spray press control during mist projection granulating and exists in 4-6MPa, inlet air temperature control
120-150 DEG C, at 50-75 DEG C, the dry suspending agent moisture of acquisition is less than 3% for outlet air temperature control control.
By the pesticide dry suspending agent, by spray area, pharmaceutical quantities add water 0.5-1.0 to carry out low capacity or ultralow after rising dilution per acre
Volume sprays.
Compared with prior art, pesticide dry suspending agent of the present invention and preparation method thereof has the following advantages that：
1. the defects of overcoming the problem of being also easy to produce layering and precipitating after aqueous suspension agent is stored, avoiding dry granulation dust from flying,
Solve the problems, such as extrusion prepare water dispersible granules product disintegration time is long in water.
2. the dry suspending agent prepared by the present invention is hollow trepanning spherical particle, good fluidity is easy to measure and pack.
3. the present invention is using wet pulverizing, grain size is small, centrifugal spray granulation, and obtained particle is hollow, and prepared is dry outstanding
Disintegration rate is fast in floating agent water, and suspension is good.
4. the preparation process of the present invention is easily achieved continuous production compared to other prillings.
Specific embodiment
To make the objectives, technical solutions, and advantages of the present invention clearer, with reference to embodiment in the present invention
Appearance is described further, it should be pointed out that degree of the present invention is mass percentage content：
Embodiment 1：
100 kg of water are put into 200 kilograms of stirred tank, tricyclazole 50.0Kg is then put into stirred tank, wetting agent gathers
Alkylene oxide block copolymer 2.0Kg, dispersant Negel formaldehyde condensation products 6.0Kg, disintegrant ammonium sulfate 10Kg are sticked
1 Kg of agent carboxymethyl sodium cellulosate is tied, flies anti-4.0 Kg of special assistant turpentine-based vegetable oil, 1.0 Kg of antifoaming agent organosiloxane,
Filler bentonite 16.0Kg.By high-speed shearing machine after mixing, through sand mill be crushed to average particle size distribution D90 it is small
In 5 microns.Then suspended nitride is pumped into atomizer drier to be granulated, spray press control is in 4-6MPa, air inlet
At 140 DEG C, outlet air temperature control is controlled at 60 DEG C for temperature control.The screened machine of material, which is sieved to obtain grain graininess, after granulation exists
160-60 mesh, moisture are less than 3% dry suspending agent product.
Embodiment 2：
100 kg of water are put into 400 kilograms of stirred tank, tricyclazole 180.0Kg wetting agents ten are then put into stirred tank
Sodium dialkyl sulfate 12.0Kg, dispersant acrylic copolymer 30.0Kg, disintegrant cornstarch 15Kg, adhesive polyethylene
7.5 Kg of pyrrolidones flies anti-15.0 Kg of special assistant castor oil alkoxylate, 1.5 Kg of antifoaming agent polyethers, filler silicon
Sour magnalium 39.0Kg.By high-speed shearing machine after mixing, it is crushed to average particle size distribution D90 through sand mill and is less than 5
Micron.Then suspended nitride is pumped into atomizer drier to be granulated, spray press control is in 4-6MPa, inlet air temperature
At 120 DEG C, outlet air temperature control is controlled at 70 DEG C for control.The screened machine of material is sieved to obtain grain graininess in 160-60 after granulation
Mesh, moisture are less than 3% dry suspending agent product.
Embodiment 3：
100 kg of water are put into 200 kilograms of stirred tank, tricyclazole 70.0Kg is then put into stirred tank, wetting agent is different
Structure alcohol polyoxyethylene ether 5.0Kg, the EO/PO block polyether 10.0Kg of dispersant molecule amount 10000, disintegrant potassium chloride 3.0Kg,
2.0 Kg of adhesive polyethylene glycol flies anti-8.0 Kg of special assistant polyalcohols, antifoaming agent C10-C20 representative examples of saturated aliphatic carboxylic esters
0.5 Kg, filler atlapulgite 1.5Kg.By high-speed shearing machine after mixing, it is crushed to average particle size through sand mill
It is distributed D90 and is less than 5 microns.Then suspended nitride is pumped into atomizer drier to be granulated, spray press control is in 4-
6MPa, at 150 DEG C, outlet air temperature control is controlled at 75 DEG C for inlet air temperature control.The screened machine of material is sieved to obtain after granulation
Grain granularity is less than 3% dry suspending agent product in 160-60 mesh, moisture.
Embodiment 4：
100 kg of water are put into 200 kilograms of stirred tank, tricyclazole 75.0Kg, wetting agent fat are then put into stirred tank
Fat alcohol alkoxylates 1.0Kg, dispersant calcium lignosulfonate 8.0Kg, disintegrant sodium tripolyphosphate 4.0Kg, the poly- second of adhesive
5.0 Kg of alkene pyrrolidone flies anti-4.0 Kg of special assistant polyalcohols, 0.3 Kg of antifoaming agent polyethers, filler talcum powder
2.7Kg.By high-speed shearing machine after mixing, it is crushed to average particle size distribution D90 through sand mill and is less than 5 microns.So
Suspended nitride is pumped into atomizer drier afterwards to be granulated, spray press control exists in 4-6MPa, inlet air temperature control
145 DEG C, outlet air temperature control is controlled at 70 DEG C.The screened machine of material is sieved to obtain grain graininess in 160-60 mesh, water after granulation
The dry suspending agent product that content is divided to be less than 3%.
Embodiment 5：
100 kg of water are put into 200 kilograms of stirred tank, tricyclazole 80.0Kg, wetting agent oil are then put into stirred tank
Sodium olefin sulfonate 3.0Kg, dispersant alkylbenzenesulfonate formaldehyde condensation products 2.0Kg, disintegrant ethylenediamine tetra-acetic acid（EDTA）
5.0Kg, 1.0 Kg of adhesive polyvinyl alcohol fly anti-2.0 Kg of special assistant turpentine-based vegetable oil, antifoaming agent organosiloxane 0.8
Kg, filler kaolin 6.2Kg.By high-speed shearing machine after mixing, it is crushed to average particle size distribution D90 through sand mill
Less than 5 microns.Then suspended nitride is pumped into atomizer drier to be granulated, spray press control in 4-6MPa, into
At 130 DEG C, outlet air temperature control is controlled at 55 DEG C for air temperature control.The screened machine of material, which is sieved to obtain grain graininess, after granulation exists
160-60 mesh, moisture are less than 3% dry suspending agent product.
Embodiment 6：
100 kg of water are put into 200 kilograms of stirred tank, tricyclazole 90.0Kg, wetting agent alkane are then put into stirred tank
Base alcohol polyoxyethylene ether 1.0Kg, dispersant sodium lignin sulfonate 3.0Kg, disintegrant sucrose 1.0Kg cohere agent carboxymethyl fibre
Dimension 2.0 Kg of plain sodium, flies anti-1.5 Kg of special assistant castor oil alkoxylate, 0.5 Kg of antifoaming agent minerals oils, filler silicon
Diatomaceous earth 1.0Kg.By high-speed shearing machine after mixing, through sand mill be crushed to average particle size distribution D90 be less than it is 5 micro-
Rice.Then suspended nitride is pumped into atomizer drier to be granulated, spray press control is in 4-6MPa, inlet air temperature control
At 135 DEG C, outlet air temperature control is controlled at 65 DEG C system.The screened machine of material is sieved to obtain grain graininess in 160-60 after granulation
Mesh, moisture are less than 3% dry suspending agent product.
Specific embodiment described above is only used for explaining the present invention, is not intended to limit the invention, all in the present invention
Spirit and principle within all any modification, equivalent and improvement made etc., should be included in protection scope of the present invention it
It is interior.
Field information embodiment
Beneficial effect in flying to prevent in order to further illustrate the present invention, is illustrated below by field control effectiveness test, but
The application range of the present invention is not limited.
Field control effectiveness test 1
Test process：
Handle 1-6：Dry suspending agent formulation samples obtained by respectively embodiment 1-6
Processing 7：75% tricyclazole water dispersible granule（Control sample：Tricyclazole 75%, lauryl sodium sulfate（K12）4%th, lignin
Sodium sulfonate 10%, polycarboxylate 3%, surplus are kaolin）
Processing 1-7 is respectively configured in the technology grasped by persons skilled in the art（120 g/hm of effective ingredient consumption2）'s
Then preparation solution, controlling experiment is carried out to rice blast.
Test period：On July 6th, 2017 rice tillering peak period, control time：On July 25th, 2017.
Test place：Jiangxi Province Yichun City Fengcheng City
Test method：With 3*667 m2For a cell, dispenser contrast test is carried out.
Control effect：Each processing takes at 3 points at random, and every 5 caves of investigation calculate disease index and prevention in sample point and imitate
Fruit.
Diseased plant rate（%）=morbidity strain number/investigation total strain number × 100
Disease index=∑（Diseased plant numbers at different levels × opposite value of series）×100
Table 1：Prevent rice（Tillering stage）Rice blast flies anti-field test results
| Test process | Mu water consumption | Formulation dissolution visual effect | Diseased plant rate (%) | Disease index | Disease refers to preventive effect (%) |
| 1 | 1.0 L/ mus | Disintegration is rapid, no precipitation | 33.58 | 4.87 | 54.41 |
| 2 | 1.0 L/ mus | Disintegration is rapid, no precipitation | 28.51 | 3.70 | 64.96 |
| 3 | 1.0 L/ mus | Disintegration is rapid, no precipitation | 18.93 | 2.10 | 80.81 |
| 4 | 1.0 L/ mus | Disintegration is rapid, no precipitation | 12.98 | 1.44 | 87.01 |
| 5 | 1.0 L/ mus | Disintegration is rapid, no precipitation | 20.46 | 2.27 | 78.73 |
| 6 | 1.0 L/ mus | Disintegration is rapid, no precipitation | 14.18 | 1.58 | 85.71 |
| 7 | 1.0 L/ mus | Disintegration is slow, and precipitation is more | 36.36 | 6.40 | 43.94 |
| Blank | - | - | 70.86 | 10.67 | - |
1 result of table is shown：1- of the embodiment of the present invention 6 can effectively prevent rice plant of tillering stage rice blast, with conventional aqueous shot
Agent is compared, and to disease-controlling effect better than more than 12%-40%, illustrates that tricyclazole dry suspending agent is applied to fly prevention effect during anti-spray
Fruit is more excellent.
Field control effectiveness test 2
Test process：
Handle 1-6：Dry suspending agent formulation samples obtained by respectively embodiment 1-6
Processing 7：75% tricyclazole water dispersible granule（Control sample：Tricyclazole 75%, lauryl sodium sulfate（K12）4%th, lignin
Sodium sulfonate 10%, polycarboxylate 3%, surplus are kaolin）
Processing 1-7 is respectively configured in the technology grasped by persons skilled in the art（120 g/hm of active ingredient2）Preparation
Solution, then, to rice blast（Leaf pest）Carry out controlling experiment.
Test period：The rice tillering peak period on the 15th of August in 2017, control time：On August 31st, 2017.
Test place：Yangzhou Baoying County of Jiangsu Province
Test method：With 3*667 m2For a cell, dispenser contrast test is carried out.
Control effect：Each processing takes at 3 points at random, and every 5 caves of investigation calculate disease index and prevention in sample point and imitate
Fruit.
Diseased plant rate（%）=morbidity strain number/investigation total strain number × 100
Disease index=∑（Diseased plant numbers at different levels × opposite value of series）×100
Table 2：Prevent rice（Tillering regularity）Rice blast（Leaf pest）Fly anti-field test results
| Test process | Mu water consumption | Formulation dissolution visual effect | Disease index | Disease refers to preventive effect（%） |
| 1 | 1.0 L/ mus | Disintegration is rapid, no precipitation | 4.8 | 78.67 |
| 2 | 1.0 L/ mus | Disintegration is rapid, no precipitation | 2.8 | 87.56 |
| 3 | 1.0 L/ mus | Disintegration is rapid, no precipitation | 3.4 | 84.89 |
| 4 | 1.0 L/ mus | Disintegration is rapid, no precipitation | 3.7 | 83.56 |
| 5 | 1.0 L/ mus | Disintegration is rapid, no precipitation | 3.1 | 86.22 |
| 6 | 1.0 L/ mus | Disintegration is rapid, no precipitation | 3.4 | 84.89 |
| 7 | 1.0 L/ mus | Disintegration is slow, and precipitation is more | 11.6 | 48.44 |
| Blank | - | - | 22.5 | - |
2 result of table is shown：1- of the embodiment of the present invention 6 can effectively prevent rice plant of tillering stage leaf pest, with conventional aqueous shot agent
It compares, to disease-controlling effect higher than more than 25%, illustrates that tricyclazole dry suspending agent is applied to fly during anti-spray control effect more
It is excellent.
Field control effectiveness test 3
Test process：
Handle 1-6：Dry suspending agent formulation samples obtained by respectively embodiment 1-6
Processing 7：75% tricyclazole water dispersible granule（Control sample：Tricyclazole 75%, lauryl sodium sulfate（K12）4%th, lignin
Sodium sulfonate 10%, polycarboxylate 3%, surplus are kaolin）.
Processing 1-7 is respectively configured in the technology grasped by persons skilled in the art（Active ingredient 120g/hm2）'s
Then preparation solution, controlling experiment is carried out to rice blast.
Test period：Rice cut phase on July 29th, 2017, control time：On August 26th, 2017.
Test place：Jiangsu Province Taizhou City Xinghua City Zhu Hong towns
Test method：With 3*667 m2For a cell, dispenser contrast test is carried out.
Control effect：Each processing takes at 3 points at random, and every 5 caves of investigation calculate disease index and prevention in sample point and imitate
Fruit.
Diseased plant rate（%）=morbidity strain number/investigation total strain number × 100
Disease index=∑（Diseased plant numbers at different levels × opposite value of series）×100
Table 3：Prevent rice（The cut phase）Rice blast flies anti-field test results
| Test process | Mu water consumption | Formulation dissolution visual effect | Diseased plant rate（%） | Disease index | Disease refers to preventive effect（%） |
| 1 | 1.0 L/ mus | Disintegration is rapid, no precipitation | 15.89 | 1.78 | 72.41 |
| 2 | 1.0 L/ mus | Disintegration is rapid, no precipitation | 28.71 | 3.11 | 71.43 |
| 3 | 1.0 L/ mus | Disintegration is rapid, no precipitation | 21.50 | 2.44 | 77.55 |
| 4 | 1.0 L/ mus | Disintegration is rapid, no precipitation | 13.85 | 1.56 | 85.71 |
| 5 | 1.0 L/ mus | Disintegration is rapid, no precipitation | 3.85 | 0.44 | 95.92 |
| 6 | 1.0 L/ mus | Disintegration is rapid, no precipitation | 12.85 | 1.66 | 80.72 |
| 7 | 1.0 L/ mus | Disintegration is slow, and precipitation is more | 44.51 | 5.33 | 51.02 |
| Blank | - | - | 88.23 | 10.89 | - |
3 result of table is shown：1-6 of the embodiment of the present invention can effectively prevent rice (cut phase) rice blast, be dissipated with conventional aqueous
Granula is compared, and to disease-controlling effect higher than more than 20%-40%, illustrates that tricyclazole dry suspending agent is applied to fly to prevent during anti-spray
Effect is more excellent.
Claims (5)
1. a kind of pesticide dry suspending agent, it is characterised in that：By following masses percentage into being grouped as：Tricyclazole 50%-90%,
Wetting agent 1%-5%, dispersant 1%-15%, disintegrant 1%-10%, adhesive 1%-5%, fly anti-special assistant 1%-8%,
Antifoaming agent 0%-1%, filler complement to 100%.
2. pesticide dry suspending agent according to claim 1, it is characterised in that：The wetting agent is selected from oxide block
Copolymer, butyl block copolymer, oleyl sodium sulfonate, lauryl sodium sulfate, linear neopelex, alkylol
One kind in polyoxyethylene ether, isomeric alcohol polyethenoxy ether, fatty alcohol alkoxy compound, Negel formaldehyde condensation products
Or two or more combination；The dispersant gathers for the EO/PO blocks selected from acrylic copolymer, molecular weight 1000-10000
In ether, alkylbenzenesulfonate formaldehyde condensation products, alkylnaphthalene sulfonate formaldehyde condensation products, sodium lignin sulfonate, calcium lignosulfonate
One or more kinds of combinations；The disintegrant is selected from ammonium sulfate, fructose, cornstarch, sucrose, potassium chloride, trimerization
Sodium phosphate, ethylenediamine tetra-acetic acid（EDTA）One or more of combination；The adhesive is selected from carboxymethyl cellulose
The combination of one or more of plain sodium, polyvinylpyrrolidone, polyvinyl alcohol, polyethylene glycol；It is described to fly to prevent special help
Agent is the group selected from one or more of castor oil alkoxylate, turpentine-based vegetable oil, polyalcohols, organosilicon
It closes；The antifoaming agent is to be defoamed selected from organosiloxane, polyethers, C10-C20 representative examples of saturated aliphatic carboxylic ester and minerals oils
The combination of one or more of agent；The filler is selected from aluminum magnesium silicate, talcum powder, diatomite, atlapulgite, swelling
The combination of one or more of soil, kaolin.
3. a kind of preparation method of pesticide dry suspending agent according to claim 1 or 2, it is characterised in that：First by the agriculture
Contained component measures respectively by mass percentage in medicine dry suspending agent formula；Then by each component raw material and water of measurement
It is mixed, is configured to the slurry that solid content is 40%-70%, and processing is ground with sand mill, obtains suspension；Finally lead to
Cross atomizer drier carry out mist projection granulating, after granulation particle by sieve particle diameter distribution between 160-60 mesh
Dry suspending agent.
4. a kind of preparation method of pesticide dry suspending agent according to claim 3, it is characterised in that：The pesticide does suspension
In preparation process, the average particle size distribution of sand mill grinding rear suspension liquid is less than 5 microns for agent；The atomizer drier
Spray press control is in 4-6MPa during progress mist projection granulating, and at 120-150 DEG C, outlet air temperature control is controlled in 50- for inlet air temperature control
75 DEG C, the dry suspending agent moisture of acquisition is less than 3%.
5. pesticide dry suspending agent according to claim 1 or 2 or the pesticide prepared as the preparation method described in claim 3
The application of dry suspending agent, it is characterised in that：By the pesticide dry suspending agent, by spray area, pharmaceutical quantities add water 0.5-1.0 liters per acre
Low capacity or ultra-low volume spray are carried out after dilution.
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Cited By (6)
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| CN109221200A (en) * | 2018-11-19 | 2019-01-18 | 贵州大学 | A kind of short-chain amylose nanometer tricyclazole pesticide and preparation method thereof |
| CN109792987A (en) * | 2019-01-21 | 2019-05-24 | 深圳诺普信农化股份有限公司 | Dry suspending agent and preparation method thereof |
| CN110100827A (en) * | 2019-05-24 | 2019-08-09 | 安徽省益农化工有限公司 | A kind of pesticide dry suspending agent and its processing method |
| CN110999903A (en) * | 2019-12-16 | 2020-04-14 | 上海交通大学 | Flying anti-spray solid auxiliary agent and preparation method thereof |
| WO2020151377A1 (en) * | 2019-01-21 | 2020-07-30 | 深圳诺普信农化股份有限公司 | Preparation method for pesticide dry flowable |
| CN111869661A (en) * | 2020-08-20 | 2020-11-03 | 蚌埠格润生物科技有限公司 | High-concentration tricyclazole suspending agent and preparation method thereof |
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| CN104757020A (en) * | 2015-03-30 | 2015-07-08 | 深圳诺普信农化股份有限公司 | Cupric hydroxide dry suspending agent and preparation method thereof |
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Application publication date: 20180622 |