CN106946632A - A kind of compound fertilizer synergistic agent and its preparation and application - Google Patents
A kind of compound fertilizer synergistic agent and its preparation and application Download PDFInfo
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- CN106946632A CN106946632A CN201710373296.5A CN201710373296A CN106946632A CN 106946632 A CN106946632 A CN 106946632A CN 201710373296 A CN201710373296 A CN 201710373296A CN 106946632 A CN106946632 A CN 106946632A
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- compound fertilizer
- synergistic agent
- fertilizer synergistic
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- C—CHEMISTRY; METALLURGY
- C05—FERTILISERS; MANUFACTURE THEREOF
- C05G—MIXTURES OF FERTILISERS COVERED INDIVIDUALLY BY DIFFERENT SUBCLASSES OF CLASS C05; MIXTURES OF ONE OR MORE FERTILISERS WITH MATERIALS NOT HAVING A SPECIFIC FERTILISING ACTIVITY, e.g. PESTICIDES, SOIL-CONDITIONERS, WETTING AGENTS; FERTILISERS CHARACTERISED BY THEIR FORM
- C05G3/00—Mixtures of one or more fertilisers with additives not having a specially fertilising activity
- C05G3/90—Mixtures of one or more fertilisers with additives not having a specially fertilising activity for affecting the nitrification of ammonium compounds or urea in the soil
-
- C—CHEMISTRY; METALLURGY
- C05—FERTILISERS; MANUFACTURE THEREOF
- C05C—NITROGENOUS FERTILISERS
- C05C9/00—Fertilisers containing urea or urea compounds
-
- C—CHEMISTRY; METALLURGY
- C05—FERTILISERS; MANUFACTURE THEREOF
- C05G—MIXTURES OF FERTILISERS COVERED INDIVIDUALLY BY DIFFERENT SUBCLASSES OF CLASS C05; MIXTURES OF ONE OR MORE FERTILISERS WITH MATERIALS NOT HAVING A SPECIFIC FERTILISING ACTIVITY, e.g. PESTICIDES, SOIL-CONDITIONERS, WETTING AGENTS; FERTILISERS CHARACTERISED BY THEIR FORM
- C05G3/00—Mixtures of one or more fertilisers with additives not having a specially fertilising activity
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- Life Sciences & Earth Sciences (AREA)
- Chemical & Material Sciences (AREA)
- Organic Chemistry (AREA)
- Pest Control & Pesticides (AREA)
- Soil Sciences (AREA)
- Fertilizers (AREA)
Abstract
The invention discloses a kind of compound fertilizer synergistic agent and its preparation and application, include the component of following parts by weight：150~200 parts of 100 parts of normal-butyl thiophosphoryl triamine (NBPT), 20~60 parts of cosolvent, 20~50 parts of emulsifying agent, 1~2 part of thickener, 10~20 parts of antifreezing agent and water.By adding specific auxiliary agent in normal-butyl thiophosphoryl triamine (NBPT), the compound fertilizer synergistic agent obtained by combination is aqueous emulsion, it need not heat up and can preferably mix during preparation and use, avoid normal-butyl thiophosphoryl triamine (NBPT) decomposition, easy to use while, it is ensured that using effect.
Description
Technical field
The invention belongs to fertilizer and pesticide field, more particularly to a kind of compound fertilizer synergistic agent and its preparation and application.
Background technology
Nitrogenous fertilizer is one of maximum agrochemical of consumption, and under normal usage, nitrogenous fertilizer is in soil quickly by urase
Decompose, so not only waste substantial amounts of Nitrogenous fertilizer resources, improve crop production cost, while bringing soil hardening and environment dirty
A series of problems, such as dye.At present, in order to suppress the decomposition of nitrogenous fertilizer, typically by adding urease inhibitor in nitrogenous fertilizer.
Normal-butyl thiophosphoryl triamine (NBPT) is a kind of soil urease inhibitor, by adding normal-butyl sulphur in nitrogenous fertilizer
The effect for suppressing and being sustained can be played for phosphoric triamide (NBPT), on the one hand can effectively slow down the enzymolysis that nitrogenous fertilizer decomposes ammonification
Process, reduces and wastes, and extends the diffusion time of nitrogenous fertilizer at fertilising point simultaneously, fertilizer provision from soil and crop is needed fertilizer synchronously, so that
The effective rate of utilization of nitrogenous fertilizer is improved 30%~40%, and fertilizer efficiency can bring up to 120 days or so from 50 days, almost nurse crop
Whole growth period, can be topdressed completely without using secondary, it is highly effective for the crop of the growth period length such as fruit tree, corn.This
Outside, normal-butyl thiophosphoryl triamine (NBPT) is efficiently, nontoxic, and soil is had no side effect, and natural degradation is ammonia in soil
And phosphorus, it can also be absorbed as fertilizer by crop root, and reduce toxic action of the ammonia to germination and growth of seedling.
The sustained release drug containing normal-butyl thiophosphoryl triamine (NBPT) that uses is substantially all as pulvis in production at present, is made
It need to be combined, can be just applied uniformly in fertilizer with granulation in, reach modified purpose.With slurry process and high tower melt body
The reference of the techniques such as granulation, it is desirable to inhibitor liquefied.
The A of Publication No. CN 101298399 Chinese patent application disclose a kind of aqueous compound fertilizer synergistic agent and its
Prepare and apply, aqueous compound fertilizer synergistic agent composition includes DCD, ATC, normal-butyl thiophosphoryl triamine (NBPT), S-80
And water, by weight percentage, DCD, ATC, normal-butyl thiophosphoryl triamine (NBPT), S-80 weight ratio are 50-70: 15-
30: 9-20: 3-4, water is 1: 1-1.5 with the ratio of above-mentioned four kinds of material gross weights；Wherein, DCD is dicyandiamide, and ATC is 4- amino
Triazole, normal-butyl thiophosphoryl triamine (NBPT) is N- (n-butyl) thiophosphoryl triamide, and S-80 is sorbitan fatty acid
Fat.The aqueous compound fertilizer synergistic agent realizes the liquefied of synergist, but during preparation and use, is required for body
System is heated to 90~95 DEG C, can make it that normal-butyl thiophosphoryl triamine (NBPT) is decomposed, badly influence making for sustained release drug
Use effect.
The content of the invention
The invention provides a kind of compound fertilizer synergistic agent and its preparation and application, compound fertilizer synergistic agent user
Just, meanwhile, it is capable to preferably suppress the decomposition of nitrogenous fertilizer.
A kind of compound fertilizer synergistic agent, includes the component of following parts by weight：
The present invention in normal-butyl thiophosphoryl triamine (NBPT) by adding specific auxiliary agent, by answering that combination is obtained
Mixed fertilizer synergist is aqueous emulsion, prepare and use during need not heat up and can preferably mix, it is to avoid normal-butyl sulphur
For phosphoric triamide (NBPT) decomposition, easy to use while, it is ensured that using effect.
Preferably, described cosolvent include methanol, ethanol, isopropanol, glycol monoethyl ether, glycol dimethyl ether,
Dimethyl ether, tetrahydrofuran, N,N-dimethylformamide, DMAC N,N' dimethyl acetamide, 1-METHYLPYRROLIDONE, N- second
In base pyrrolidones, dimethyl sulfoxide (DMSO), sec-butyl acetate, pungent methyl caprate, aromatic solvent naphtha, methyl oleate and vegetable oil etc.
It is one or more of.
Preferably, described emulsifying agent includes styrylphenol polyoxyethylene ether or its phosphate, polyoxyethylene nonyl phenyl
Vinethene or its phosphate, AEO or its salt, styrylphenol polyoxyethylene poly-oxygen propylene aether block are total to
Polymers, alkyl phenol formaldehyde resin polyoxyethylene ether, special phenethyl phenol formaldehyde resin APEO, dibenzyl xenol polyoxy
One or more in vinethene, castor oil polyoxyethylene ether and calcium dodecyl benzene sulfonate etc..
Preferably, described thickener includes sodium carboxymethylcellulose, aluminium-magnesium silicate, polypyrrole alkanone and polyacrylic acid
One or more in sodium etc..
Preferably, described antifreezing agent includes the one or more in ethylene glycol, propane diols and glycerine etc..
Preferably, described compound fertilizer synergistic agent, is made up of following components：
Present invention also offers a kind of preparation method of described compound fertilizer synergistic agent, comprise the following steps：
(1) normal-butyl thiophosphoryl triamine (NBPT), cosolvent, emulsifying agent, thickener are added together and stirred into uniformly
Oil phase；
(2) antifreezing agent and water are mixed to prepare aqueous phase；
(3) oil phase is mixed with aqueous phase under high-speed shearing machine shearing, obtains described compound fertilizer synergistic agent.
Present invention also offers a kind of application of described compound fertilizer synergistic agent in chemical fertilizer preparation and use.
Present invention also offers a kind of compound fertilizer, including urea and described compound fertilizer synergistic agent.
Compared with the existing technology, beneficial effects of the present invention are embodied in：
(1) present invention is obtained by adding specific auxiliary agent in normal-butyl thiophosphoryl triamine (NBPT) by combination
Compound fertilizer synergistic agent be aqueous emulsion, need not to be heated up in preparation process preferably to mix, it is to avoid normal-butyl sulphur
For phosphoric triamide (NBPT) decomposition；
(2) when compound fertilizer synergistic agent of the invention is used for agrochemical, it is not required that heating, directly it is diluted with water spraying
Mixing, obtained compound fertilizer has more preferable effect.
Embodiment
Embodiment 1
Parts by weight of raw materials is as follows：
By normal-butyl thiophosphoryl triamine (NBPT), ethanol, 1-METHYLPYRROLIDONE, calcium dodecyl benzene sulfonate, castor-oil plant
Oily APEO and sodium carboxymethylcellulose, which are added together, stirs into homogeneous oil phase；Glycerine and water are mixed to prepare aqueous phase；
Oil phase is mixed with aqueous phase under high-speed shearing machine shearing, synergist aqueous emulsion is obtained.
Obtained synergist aqueous emulsion is diluted with water 10 times, granular urea is then added, wherein, NBPT and urea granules
Weight ratio be 1：400, by being mixed in planetary-type mixer, obtain compound fertilizer.
Embodiment 2
Parts by weight of raw materials is as follows：
By normal-butyl thiophosphoryl triamine (NBPT), ethanol, 1-METHYLPYRROLIDONE, calcium dodecyl benzene sulfonate, castor-oil plant
Oily APEO and sodium carboxymethylcellulose, which are added together, stirs into homogeneous oil phase；Glycerine and water are mixed to prepare aqueous phase；
Oil phase is mixed with aqueous phase under high-speed shearing machine shearing, synergist aqueous emulsion is obtained.
Obtained synergist aqueous emulsion is diluted with water 10 times, granular urea is then added, wherein, NBPT and urea granules
Weight ratio be 1：400, by being mixed in planetary-type mixer, obtain compound fertilizer.
Embodiment 3
Parts by weight of raw materials is as follows：
By normal-butyl thiophosphoryl triamine (NBPT), dimethyl ether, pungent methyl caprate, calcium dodecyl benzene sulfonate
It is added together with sodium carboxymethylcellulose and stirs into homogeneous oil phase；Glycerine and water are mixed to prepare aqueous phase；In high-speed shearing machine
Oil phase is mixed with aqueous phase under shearing, synergist aqueous emulsion is obtained.
Obtained synergist aqueous emulsion is diluted with water 10 times, granular urea is then added, wherein, NBPT and urea granules
Weight ratio be 1：400, by being mixed in planetary-type mixer, obtain compound fertilizer.
Comparative example 1
By NBPT 100g, DCD 30g, ATC 13g, S-803 20g, add water 1000g, the heating stirring under the conditions of 95 DEG C
It is sprayed to after 30 minutes with high-pressure pump in urea granules, wherein, the weight ratio of NBPT and urea is 1：400, obtain compound fertilizer.
The compound fertilizer reference that embodiment 1~3 and comparative example 1 are obtained《Urea in GB/T 8622-1988 bean products
Activity determination method》To evaluate its enzyme inhibition activity, step is as follows：
(1) in the market buys fresh soya bean, and pulverizer crosses the sample sifter that aperture is 200 μm after crushing, stand-by；
(2) five different parts of compound fertilizer that each embodiment is obtained respectively take out 0.5g, add 10mL water, obtain fertilizer
Expect solution；
(3) 0.05g soya bean powder is weighed in glass tube, 10m L fertilizer solutions are then added, and test tube cap is covered at once acute
After strong shaking, test tube is placed in 30 DEG C ± 0.5 DEG C of water bath with thermostatic control at once.Timing keeps 30min ± 10s.When stopping reaction
10m L 0.1mol/L hydrochloric acid solutions are added afterwards, and 20 DEG C are quickly cooled to after shaking.Tube contents are fully transferred to small burning
In cup, tube several times are rinsed with 20m L water, pH 4.70 is titrated to acidometer with standard solution of sodium hydroxide.
(4) blank test：0.05g soya bean powder is weighed in glass tube, 10mL again is added after the shaking of 10m L hydrochloric acid solutions
NBPT contents are 0 urea buffer solution (0.5g urea+10mL water), cover immediately after the violent shaking of test tube cap, by test tube at once
In the water bath with thermostatic control for being placed in 30 DEG C ± 0.5 DEG C.Timing keeps 30min ± 10s.Stop that test tube is quickly cooled into 20 during reaction
℃.Tube contents are fully transferred in small beaker, tube several times is rinsed with 20mL water, is used with standard solution of sodium hydroxide
Acidometer is titrated to pH 4.70.
(5) result of calculation
X=14*c (V0-V)/(30*m)
Wherein, X is the urease activity of soya bean powder, and unit is every gram of active unit (U/g)；
C is Standard Volumetric Solutions for Sodium Hydroxide concentration, and unit is mole every liter (mol/L)；
V0Standard Volumetric Solutions for Sodium Hydroxide volume is consumed for blank, unit is milliliter (mL)；
V is that sample consumes Standard Volumetric Solutions for Sodium Hydroxide volume, and unit is milliliter (mL)；
14 be the molal weight of nitrogen, M (N2)=14g/mo L；
30 be the reaction time, and unit is (min)；
M is soya bean powder quality, and unit is gram (g).
As a result it is as shown in table 1：
The measurement result of the embodiment 1~3 of table 1 and comparative example 1
aSequence number 1~6 represents the result being sampled from different positions.
As shown in Table 1, when handling the complex fertilizer of the present invention with soya bean, wherein urease activity is relatively low, therefore,
The NBPT of the present invention can play preferable inhibition in complex fertilizer.Meanwhile, the sampling result display of different parts suppresses
Effect difference is little, it is seen that NBPT mixing is more uniform in complex fertilizer of the invention.
Claims (9)
1. a kind of compound fertilizer synergistic agent, it is characterised in that include the component of following parts by weight：
2. compound fertilizer synergistic agent according to claim 1, it is characterised in that described cosolvent include methanol, ethanol,
Isopropanol, glycol monoethyl ether, glycol dimethyl ether, dimethyl ether, tetrahydrofuran, N,N-dimethylformamide, N,
N- dimethylacetylamides, 1-METHYLPYRROLIDONE, N- ethyl pyrrolidones, dimethyl sulfoxide (DMSO), sec-butyl acetate, Xin Guisuanjia
One or more in ester, aromatic solvent naphtha, methyl oleate and vegetable oil etc..
3. compound fertilizer synergistic agent according to claim 1, it is characterised in that described emulsifying agent includes styryl benzene
Phenol polyethenoxy ether or its phosphate, NPE or its phosphate, AEO or its salt, benzene second
Alkenyl benzene phenol polyethenoxy polyoxypropylene ether block copolymers, alkyl phenol formaldehyde resin polyoxyethylene ether, special phenethyl phenol first
Urea formaldehyde APEO, dibenzyl biphenyl phenol polyethenoxy ether, castor oil polyoxyethylene ether and calcium dodecyl benzene sulfonate etc.
In one or more.
4. compound fertilizer synergistic agent according to claim 1, it is characterised in that described thickener includes carboxymethyl cellulose
One or more in plain sodium, aluminium-magnesium silicate, polypyrrole alkanone and Sodium Polyacrylate etc..
5. compound fertilizer synergistic agent according to claim 1, it is characterised in that described antifreezing agent includes ethylene glycol, third
One or more in glycol and glycerine etc..
6. compound fertilizer synergistic agent according to claim 1, it is characterised in that be made up of following components：
7. a kind of preparation method of compound fertilizer synergistic agent as described in any one of claim 1~6, it is characterised in that including
Following steps：
(1) normal-butyl thiophosphoryl triamine (NBPT), cosolvent, emulsifying agent, thickener are added together and stir into homogeneous oil phase；
(2) antifreezing agent and water are mixed to prepare aqueous phase；
(3) oil phase is mixed with aqueous phase under high-speed shearing machine shearing, obtains described compound fertilizer synergistic agent.
8. a kind of application of compound fertilizer synergistic agent as described in any one of claim 1~6 in chemical fertilizer preparation and use.
9. a kind of compound fertilizer, it is characterised in that including the complex fertilizer synergy described in urea and any one of claim 1~6
Agent.
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| CN201710373296.5A CN106946632A (en) | 2017-05-24 | 2017-05-24 | A kind of compound fertilizer synergistic agent and its preparation and application |
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| CN201710373296.5A CN106946632A (en) | 2017-05-24 | 2017-05-24 | A kind of compound fertilizer synergistic agent and its preparation and application |
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Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109912339A (en) * | 2019-02-15 | 2019-06-21 | 金正大诺泰尔化学有限公司 | A kind of stable nitrogen fertilizer potentiating agent and its preparation method and application |
| CN110041141A (en) * | 2019-05-30 | 2019-07-23 | 湖北兴福电子材料有限公司 | A kind of mixed aid promoting organic nitrogenous fertilizer fertilizer efficiency |
| CN110041140A (en) * | 2019-05-30 | 2019-07-23 | 湖北兴福电子材料有限公司 | A kind of nitrogenous compound fertilizer synergist and preparation method thereof |
| CN110183286A (en) * | 2019-05-30 | 2019-08-30 | 湖北兴福电子材料有限公司 | A kind of complex fertilizer and preparation method of low temperature resistant grading absorption |
| CN110521479A (en) * | 2019-09-06 | 2019-12-03 | 广西壮族自治区林业科学研究院 | A method of it improving China fir and phosphorus nutrients is utilized |
| CN113024331A (en) * | 2021-03-05 | 2021-06-25 | 吉林农业大学 | Large-particle urea coated preparation containing urease inhibitor NBPT and using method |
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Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109912339A (en) * | 2019-02-15 | 2019-06-21 | 金正大诺泰尔化学有限公司 | A kind of stable nitrogen fertilizer potentiating agent and its preparation method and application |
| CN110041141A (en) * | 2019-05-30 | 2019-07-23 | 湖北兴福电子材料有限公司 | A kind of mixed aid promoting organic nitrogenous fertilizer fertilizer efficiency |
| CN110041140A (en) * | 2019-05-30 | 2019-07-23 | 湖北兴福电子材料有限公司 | A kind of nitrogenous compound fertilizer synergist and preparation method thereof |
| CN110183286A (en) * | 2019-05-30 | 2019-08-30 | 湖北兴福电子材料有限公司 | A kind of complex fertilizer and preparation method of low temperature resistant grading absorption |
| CN110521479A (en) * | 2019-09-06 | 2019-12-03 | 广西壮族自治区林业科学研究院 | A method of it improving China fir and phosphorus nutrients is utilized |
| CN113024331A (en) * | 2021-03-05 | 2021-06-25 | 吉林农业大学 | Large-particle urea coated preparation containing urease inhibitor NBPT and using method |
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Application publication date: 20170714 |