CN107879826A - A kind of high-efficiency environment friendly fertilizer and preparation method thereof - Google Patents
A kind of high-efficiency environment friendly fertilizer and preparation method thereof Download PDFInfo
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- CN107879826A CN107879826A CN201711451720.XA CN201711451720A CN107879826A CN 107879826 A CN107879826 A CN 107879826A CN 201711451720 A CN201711451720 A CN 201711451720A CN 107879826 A CN107879826 A CN 107879826A
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- C—CHEMISTRY; METALLURGY
- C05—FERTILISERS; MANUFACTURE THEREOF
- C05B—PHOSPHATIC FERTILISERS
- C05B7/00—Fertilisers based essentially on alkali or ammonium orthophosphates
-
- 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
- C05G3/20—Mixtures of one or more fertilisers with additives not having a specially fertilising activity for preventing the fertilisers being reduced to powder; Anti-dusting additives
-
- 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
- C05G3/80—Soil conditioners
-
- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08B—POLYSACCHARIDES; DERIVATIVES THEREOF
- C08B37/00—Preparation of polysaccharides not provided for in groups C08B1/00 - C08B35/00; Derivatives thereof
-
- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08F—MACROMOLECULAR COMPOUNDS OBTAINED BY REACTIONS ONLY INVOLVING CARBON-TO-CARBON UNSATURATED BONDS
- C08F2/00—Processes of polymerisation
- C08F2/04—Polymerisation in solution
- C08F2/06—Organic solvent
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- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08F—MACROMOLECULAR COMPOUNDS OBTAINED BY REACTIONS ONLY INVOLVING CARBON-TO-CARBON UNSATURATED BONDS
- C08F220/00—Copolymers of compounds having one or more unsaturated aliphatic radicals, each having only one carbon-to-carbon double bond, and only one being terminated by only one carboxyl radical or a salt, anhydride ester, amide, imide or nitrile thereof
- C08F220/02—Monocarboxylic acids having less than ten carbon atoms; Derivatives thereof
- C08F220/52—Amides or imides
- C08F220/54—Amides, e.g. N,N-dimethylacrylamide or N-isopropylacrylamide
- C08F220/56—Acrylamide; Methacrylamide
-
- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08H—DERIVATIVES OF NATURAL MACROMOLECULAR COMPOUNDS
- C08H99/00—Subject matter not provided for in other groups of this subclass, e.g. flours, kernels
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- C—CHEMISTRY; METALLURGY
- C09—DYES; PAINTS; POLISHES; NATURAL RESINS; ADHESIVES; COMPOSITIONS NOT OTHERWISE PROVIDED FOR; APPLICATIONS OF MATERIALS NOT OTHERWISE PROVIDED FOR
- C09K—MATERIALS FOR MISCELLANEOUS APPLICATIONS, NOT PROVIDED FOR ELSEWHERE
- C09K17/00—Soil-conditioning materials or soil-stabilising materials
- C09K17/14—Soil-conditioning materials or soil-stabilising materials containing organic compounds only
- C09K17/18—Prepolymers; Macromolecular compounds
- C09K17/32—Prepolymers; Macromolecular compounds of natural origin, e.g. cellulosic materials
-
- C—CHEMISTRY; METALLURGY
- C09—DYES; PAINTS; POLISHES; NATURAL RESINS; ADHESIVES; COMPOSITIONS NOT OTHERWISE PROVIDED FOR; APPLICATIONS OF MATERIALS NOT OTHERWISE PROVIDED FOR
- C09K—MATERIALS FOR MISCELLANEOUS APPLICATIONS, NOT PROVIDED FOR ELSEWHERE
- C09K2101/00—Agricultural use
Abstract
The invention discloses a kind of high-efficiency environment friendly fertilizer, it is made up of the raw material of following parts by weight：3~6 parts of trehalose modified soil modifying agent, 20~35 parts of melamine phosphate modified humic acid, 15~25 parts of potassium phosphate, 15~25 parts of ammonium borate.The invention also discloses the preparation method of high-efficiency environment friendly fertilizer; including adding the raw material into grinding flour in ball mill; it is then added to after being stirred 20 30 minutes in high-speed mixer with 1,000 1300 revs/min of mixing velocity; it is added to afterwards in rotary drum granulator; it is granulated; it is then transferred in drum dryer and dries, the step such as finally cools down, spray anticaking agent, weigh, packing again.Product fertilizer efficiency of the present invention is notable, and effective rate of utilization is high, and performance stable homogeneous, insect pest ability is strong, there is facilitation to improved soil, and green.
Description
Technical field
The present invention relates to agricultural fertilizer technical field, more particularly to a kind of high-efficiency environment friendly fertilizer and preparation method thereof.
Background technology
In recent years, as expanding economy and the extensive growth of population, environmental problem and crisis in food problem are always
The a great problem of social development is govern, it is that development is sustainable to solve the problems, such as one of effective way of environmental problem and crisis in food
Developing agricultural, more focus on the high efficiency of agricultural production and environmentally friendly.And in Agriculture Production, it be unable to do without fertilizer
Use, a large amount of nutrients using required for being provided to crops of fertilizer, at the same time, the environmental problem brought but also pole
For sternness, it can destroy soil, cause soil organic substance content to decline, the imbalance of all kinds of nutrients ratios, soil acidification, hardened,
The microbial ecological of soil is destroyed, and then influences the quality of production of crops, more greatly destroys ecological environment.
Fertilizer of the prior art mostly cost is high, function is single, the function without insecticide, therefore using existing
Insecticide must also be used while chemical fertilizer simultaneously, these chemical fertilizer and insecticide cause dual dirt to surface water and groundwater
Dye, after the mankind has been drunk the contaminated water quality that these are depended on for existence, considerably increases people and suffers from cancer and respiratory tract disease
The probability of disease, reduces the life quality of the mankind, and serious future trouble is left to descendants.
Therefore, it is necessary to seek more efficient way, synthesizing efficient environment-friendly fertilizer, to meet modern agricultural development need
Ask.
The content of the invention
The defects of in order to overcome in the prior art, the present invention provide a kind of high-efficiency environment friendly fertilizer and preparation method thereof, the system
Preparation Method is simple and easy, and not high to equipment requirement, raw material is easy to get, cheap, the Efficient Ring being prepared by this method
Fertilizer conservation material is more notable and green than disclosed common fertilizer fertilizer efficiency in the prior art, at the same time, has insect pest, changes
Good soil texture, promotes the formation of soil granular structure, recovers soil over-burden and chemical contamination and the balance that loses, favorably
In crop root growth, improve farmland ecological environment.
To achieve the above object of the invention, the technical solution adopted by the present invention is a kind of high-efficiency environment friendly fertilizer, by following weight
The raw material of part is made：3~6 parts of trehalose modified soil modifying agent, 20~35 parts of melamine phosphate modified humic acid, phosphoric acid
15~25 parts of potassium, 15~25 parts of ammonium borate；
Wherein, the preparation method of the trehalose modified soil modifying agent, comprises the following steps：
1) preparation of copolymer：Acrylamide, eugenol are dissolved in high boiling solvent, and add initiator thereto,
At 50-60 DEG C after stirring reaction 2-3 hours, settle out in acetone, and baking 10-15 is small at 50-60 DEG C in vacuum drying chamber
When；
2) trehalose modified copolymer：Trehalose, anhydrous pyridine are dissolved in DMF, and added thereto
Enter paratoluensulfonyl chloride, the stirring reaction 6-8 hours in ice-water bath, then add what is be prepared by step 1) thereto again
Copolymer, reaction 3-5 hours are mixed at 80-90 DEG C, after settle out in acetone, and in vacuum drying chamber at 50-60 DEG C
10-15 hours are dried, produce trehalose modified soil modifying agent.
Wherein, acrylamide described in step 1), eugenol, high boiling solvent, the mass ratio of initiator are (2-3):1：
(10-15)：(0.01-0.02)；
It is prepared by trehalose described in step 2), anhydrous pyridine, N,N-dimethylformamide, paratoluensulfonyl chloride, step 1)
The mass ratio of obtained copolymer is 5：1：(15-20)：(1-2)：(5-7)；
One kind in dimethyl sulfoxide, N,N-dimethylformamide, 1-METHYLPYRROLIDONE of the high boiling solvent or
It is several；
One or more of the initiator in azodiisobutyronitrile, ABVN；
The preparation method of the melamine phosphate modified humic acid, comprises the following steps：By humic acid, dicyclohexyl
Carbodiimide, 1- (3- dimethylaminopropyls) -3- ethyl carbodiimides are dissolved in DMF, and are added thereto
Enter melamine phosphate, the stirring reaction 6-8 hours at 100-110 DEG C, after settled out in ether, and in vacuum drying chamber
10-15 hours, melamine phosphate modified humic acid are dried at 50-60 DEG C.
Wherein, the humic acid, dicyclohexylcarbodiimide, 1- (3- dimethylaminopropyls) -3- ethyl carbodiimides,
N,N-dimethylformamide, the mass ratio of melamine phosphate are (2-4):1:1：(10-15):1.
The preparation method of the high-efficiency environment friendly fertilizer, comprises the following steps：By trehalose modified soil modifying agent, melamine
Amine phosphate modified humic acid, potassium phosphate, ammonium borate are proportionally added to grinding flour in ball mill, and fineness is controlled in 10-
20 microns, it is then added to after being stirred 20-30 minutes in high-speed mixer with 1000-1300 revs/min of mixing velocity, makes
Obtain blend composition；Then blend composition is added in rotary drum granulator, be granulated, after be transferred in drum dryer dry, the rolling
Cylinder dryer temperature is 260-350 DEG C, is dried to moisture≤8%；Finally again by cool down, spray anticaking agent, weigh,
Pack.
It is using beneficial effect caused by above-mentioned technical proposal：
1) preparation method of high-efficiency environment friendly fertilizer provided by the invention is simple and easy, and not high to equipment requirement, raw material is easy to get,
It is cheap, it is adapted to large-scale production.
2) high-efficiency environment friendly fertilizer provided by the invention, using trehalose modified soil modifying agent, improved soil knot is advantageous to
Structure, promotes the formation of soil granular structure, recovers soil over-burden and chemical contamination and the balance that loses, is advantageous to root of the crop
System's growth, improves farmland ecological environment.The addition of trehalose structure improves via plant immunity, enhances metabolism, with cloves
Phenol structure synergy improves insect pest rate.
3) high-efficiency environment friendly fertilizer provided by the invention, it is more notable and green than disclosed common fertilizer fertilizer efficiency in the prior art
Colour circle is protected, and the characteristics of combining inorganic fertilizer and organic fertilizer, can effectively extend fertilizer efficiency, improves the utilization rate of fertilizer, is reduced often
The loss or discharge of npk fertilizer are advised, resource had not only been saved but also had protected environment.
4) high-efficiency environment friendly fertilizer provided by the invention, by melamine phosphate modified humic acid, improve and impart
Humic acid is more active, has obvious adverse circumstances defensive ability/resistance ability, and phosphorus and nitrogen are rich in product, can be fast after crop applying
Speed absorbs.It is modified, by hydrogen bond or Covalent bonding together between fertilizer each component, it is beneficial to be uniformly dispersed, obtains performance
The fertilizer of stable homogeneous, and the release and absorption of available nutrient of fertilizer can be effectively controlled, improve utilization rate of fertilizer.
Embodiment
In order that those skilled in the art more fully understands technical scheme, and make the present invention features described above,
Purpose and advantage become apparent from understandable, and with reference to embodiment, the present invention is described further.Embodiment is only used for
The bright present invention rather than limitation the scope of the present invention.
Raw material used in the following embodiments of the present invention comes from Haiquan sunrise foreign trade Co., Ltd.
Embodiment 1
A kind of high-efficiency environment friendly fertilizer, is made up of the raw material of following parts by weight：3 parts of trehalose modified soil modifying agent, trimerization
20 parts of the phosphate-modified humic acid of cyanamide, 15 parts of potassium phosphate, 15 parts of ammonium borate；
Wherein, the preparation method of the trehalose modified soil modifying agent, comprises the following steps：
1) preparation of copolymer：Acrylamide 200g, eugenol 100g are dissolved in dimethyl sulfoxide 1000g, and thereto
Add azodiisobutyronitrile 1g, stirring reaction 2 hours at 50 DEG C, after settle out in acetone, and 50 DEG C in vacuum drying chamber
It is lower to dry 10 hours；
2) trehalose modified copolymer：Trehalose 200g, anhydrous pyridine 40g are dissolved in N,N-dimethylformamide 600g
In, and paratoluensulfonyl chloride 40g is added thereto, stirring reaction 6 hours in ice-water bath, then add thereto by step again
The rapid copolymer 200g 1) being prepared, mix reaction 3 hours at 80 DEG C, after settle out in acetone, and be dried in vacuo
Dried 10 hours at 50 DEG C in case；
The preparation method of the melamine phosphate modified humic acid, comprises the following steps：By humic acid 200g, two rings
Hexyl carbodiimide 100g, 1- (3- dimethylaminopropyls) -3- ethyl carbodiimides 100g are dissolved in N,N-dimethylformamide
In 1000g, and thereto add melamine phosphate 100g, stirring reaction 6 hours at 100 DEG C, after settled out in ether,
And dried 10 hours at 50 DEG C in vacuum drying chamber；
The preparation method of the high-efficiency environment friendly fertilizer, comprises the following steps：By trehalose modified soil modifying agent, melamine
Amine phosphate modified humic acid, potassium phosphate, ammonium borate are proportionally added to grinding flour in ball mill, and fineness control is micro- 10
Rice, is then added to after being stirred 20 minutes in high-speed mixer with 1000 revs/min of mixing velocity, and blend composition is made；So
Blend composition is added in rotary drum granulator afterwards, be granulated, after be transferred in drum dryer dry, the drum dryer temperature
For 260 DEG C, dry to moisture≤8%；Finally again by cooling down, spraying anticaking agent, weigh, pack.
Embodiment 2
A kind of high-efficiency environment friendly fertilizer, is made up of the raw material of following parts by weight：4 parts of trehalose modified soil modifying agent, trimerization
25 parts of the phosphate-modified humic acid of cyanamide, 18 parts of potassium phosphate, 18 parts of ammonium borate；
Wherein, the preparation method of the trehalose modified soil modifying agent, comprises the following steps：
1) preparation of copolymer：Acrylamide 230g, eugenol 100g are dissolved in DMF 1200g,
And add ABVN 1.3g thereto, stirring reaction 2.2 hours at 53 DEG C, after settle out in acetone, and in vacuum
Dried 13 hours at 53 DEG C in drying box；
2) trehalose modified copolymer：Trehalose 200g, anhydrous pyridine 40g are dissolved in N,N-dimethylformamide 660g
In, and paratoluensulfonyl chloride 50g is added thereto, stirring reaction 7 hours in ice-water bath, then add thereto by step again
The rapid copolymer 220g 1) being prepared, mix reaction 4 hours at 83 DEG C, after settle out in acetone, and be dried in vacuo
Dried 13 hours at 54 DEG C in case；
The preparation method of the melamine phosphate modified humic acid, comprises the following steps：By humic acid 250g, two rings
Hexyl carbodiimide 100g, 1- (3- dimethylaminopropyls) -3- ethyl carbodiimides 100g are dissolved in N,N-dimethylformamide
In 1200g, and thereto add melamine phosphate 100g, stirring reaction 7 hours at 103 DEG C, after settled out in ether,
And dried 12 hours at 53 DEG C in vacuum drying chamber；
The preparation method of the high-efficiency environment friendly fertilizer, comprises the following steps：By trehalose modified soil modifying agent, melamine
Amine phosphate modified humic acid, potassium phosphate, ammonium borate are proportionally added to grinding flour in ball mill, and fineness control is micro- 14
Rice, is then added to after being stirred 24 minutes in high-speed mixer with 1100 revs/min of mixing velocity, and blend composition is made；So
Blend composition is added in rotary drum granulator afterwards, be granulated, after be transferred in drum dryer dry, the drum dryer temperature
For 280 DEG C, dry to moisture≤8%；Finally again by cooling down, spraying anticaking agent, weigh, pack.
Embodiment 3
A kind of high-efficiency environment friendly fertilizer, is made up of the raw material of following parts by weight：5 parts of trehalose modified soil modifying agent, trimerization
30 parts of the phosphate-modified humic acid of cyanamide, 20 parts of potassium phosphate, 20 parts of ammonium borate；
Wherein, the preparation method of the trehalose modified soil modifying agent, comprises the following steps：
1) preparation of copolymer：Acrylamide 240g, eugenol 100g are dissolved in 1-METHYLPYRROLIDONE 1300g, and
Add ABVN 1.5g thereto, stirring reaction 2.5 hours at 56 DEG C, after settle out in acetone, and done in vacuum
Dried 14 hours at 56 DEG C in dry case；
2) trehalose modified copolymer：Trehalose 200g, anhydrous pyridine 40g are dissolved in N,N-dimethylformamide 700g
In, and paratoluensulfonyl chloride 70g is added thereto, stirring reaction 7.5 hours in ice-water bath, then add and pass through thereto again
The copolymer that step 1) is prepared, reaction 4.2 hours is mixed at 86 DEG C, after settle out in acetone, and be dried in vacuo
Dried 13 hours at 57 DEG C in case；
The preparation method of the melamine phosphate modified humic acid, comprises the following steps：By humic acid 300g, two rings
Hexyl carbodiimide 100g, 1- (3- dimethylaminopropyls) -3- ethyl carbodiimides 100g are dissolved in N,N-dimethylformamide
In 1300g, and thereto add melamine phosphate 100g, stirring reaction 7.4 hours at 107 DEG C, after in ether sink
Go out, and dried 14 hours at 58 DEG C in vacuum drying chamber；
The preparation method of the high-efficiency environment friendly fertilizer, comprises the following steps：By trehalose modified soil modifying agent, melamine
Amine phosphate modified humic acid, potassium phosphate, ammonium borate are proportionally added to grinding flour in ball mill, and fineness control is micro- 16
Rice, is then added to after being stirred 24 minutes in high-speed mixer with 1200 revs/min of mixing velocity, and blend composition is made；So
Blend composition is added in rotary drum granulator afterwards, be granulated, after be transferred in drum dryer dry, the drum dryer temperature
For 300 DEG C, dry to moisture≤8%；Finally again by cooling down, spraying anticaking agent, weigh, pack.
Embodiment 4
A kind of high-efficiency environment friendly fertilizer, is made up of the raw material of following parts by weight：6 parts of trehalose modified soil modifying agent, trimerization
35 parts of the phosphate-modified humic acid of cyanamide, 25 parts of potassium phosphate, 25 parts of ammonium borate；
Wherein, the preparation method of the trehalose modified soil modifying agent, comprises the following steps：
1) preparation of copolymer：Acrylamide 300g, eugenol 100g are dissolved in dimethyl sulfoxide 1500g, and thereto
Add azodiisobutyronitrile 2g, stirring reaction 3 hours at 60 DEG C, after settle out in acetone, and 60 DEG C in vacuum drying chamber
It is lower to dry 15 hours；
2) trehalose modified copolymer：Trehalose 200g, anhydrous pyridine 40g are dissolved in N,N-dimethylformamide 800g
In, and paratoluensulfonyl chloride 80g is added thereto, stirring reaction 8 hours in ice-water bath, then add thereto by step again
The rapid copolymer 280g 1) being prepared, mix reaction 5 hours at 90 DEG C, after settle out in acetone, and be dried in vacuo
Dried 15 hours at 60 DEG C in case；
The preparation method of the melamine phosphate modified humic acid, comprises the following steps：By humic acid 400g, two rings
Hexyl carbodiimide 100g, 1- (3- dimethylaminopropyls) -3- ethyl carbodiimides 100g are dissolved in N,N-dimethylformamide
In 1500g, and thereto add melamine phosphate 100g, stirring reaction 8 hours at 110 DEG C, after settled out in ether,
And dried 15 hours at 60 DEG C in vacuum drying chamber；
The preparation method of the high-efficiency environment friendly fertilizer, comprises the following steps：By trehalose modified soil modifying agent, melamine
Amine phosphate modified humic acid, potassium phosphate, ammonium borate are proportionally added to grinding flour in ball mill, and fineness control is micro- 20
Rice, is then added to after being stirred 30 minutes in high-speed mixer with 1300 revs/min of mixing velocity, and blend composition is made；So
Blend composition is added in rotary drum granulator afterwards, be granulated, after be transferred in drum dryer dry, the drum dryer temperature
For 350 DEG C, dry to moisture≤8%；Finally again by cooling down, spraying anticaking agent, weigh, pack.
Comparative example 1
A kind of high-efficiency environment friendly fertilizer, is made up of the raw material of following parts by weight：20 parts of melamine phosphate modified humic acid,
15 parts of potassium phosphate, 15 parts of ammonium borate；Raw material and preparation method thereof is the same as embodiment 1.
Comparative example 2
A kind of high-efficiency environment friendly fertilizer, is made up of the raw material of following parts by weight：3 parts of trehalose modified soil modifying agent, phosphoric acid
15 parts of potassium, 15 parts of ammonium borate；Raw material and preparation method thereof is the same as embodiment 1.
Comparative example 3
A kind of high-efficiency environment friendly fertilizer, is made up of the raw material of following parts by weight：20 parts of humic acid, 15 parts of potassium phosphate, ammonium borate
15 parts；Raw material and preparation method thereof is the same as embodiment 1.
Comparative example 4
Commercially available Common compound fertilizer.
Fertilizer obtained by above-described embodiment 1-4 and comparative example 1-4 is tested, test result is shown in Table 1, and method of testing is such as
Under：Wheat in same growing environment is subjected to fertilizer treatment, dose is 20kg/ mus, and wheat is observed after wheat maturation
Upgrowth situation and soil property is tested；
The embodiment of table 1 and comparative example fertilizer efficiency and slow release effect
As it can be seen from table 1 fertilizer disclosed in the embodiment of the present invention, wheat per mu yield exists in 620-700kg, disease pest rate
1.5-2.5%, active soil organic matter is in 6.82-7.23g/kg, and common fertilizer wheat per mu yield exists in 480kg, disease pest rate
8.5%, active soil organic matter is in 3.15g/kg, it is seen then that fertilizer disclosed in the embodiment of the present invention has more excellent fertilizer efficiency
With insect pest ability, there is facilitation to improved soil；By being modified to humic acid, be advantageous to increase per mu yield, reduce
Disease pest rate, improved soil；By adding trehalose modified soil modifying agent, it is also beneficial to increase per mu yield, reduces disease pest rate, change
Good soil.
The foregoing is only a preferred embodiment of the present invention, not makees any formal limitation to the present invention；It is all
The those of ordinary skill of the industry can by specification and described above and swimmingly implement the present invention；But all to be familiar with sheet special
The technical staff of industry without departing from the scope of the present invention, makes a little using disclosed above technology contents
Perhaps the equivalent variations of variation, modification and evolution, it is the equivalent embodiment of the present invention；Meanwhile all substantive skills according to the present invention
Variation, modification and evolution of any equivalent variations that art is made to above example etc., still fall within technical scheme
Protection domain within.
Claims (9)
1. a kind of high-efficiency environment friendly fertilizer, it is characterised in that be made up of the raw material of following parts by weight：Trehalose modified soil modifying agent
3~6 parts, 20~35 parts of melamine phosphate modified humic acid, 15~25 parts of potassium phosphate, 15~25 parts of ammonium borate.
2. high-efficiency environment friendly fertilizer according to claim 1, it is characterised in that the system of the trehalose modified soil modifying agent
Preparation Method, comprise the following steps：
1) preparation of copolymer：Acrylamide, eugenol are dissolved in high boiling solvent, and add initiator thereto, in 50-
At 60 DEG C after stirring reaction 2-3 hours, settle out in acetone, and dry 10-15 hours at 50-60 DEG C in vacuum drying chamber；
2) trehalose modified copolymer：Trehalose, anhydrous pyridine are dissolved in DMF, and addition pair thereto
Toluene sulfochloride, the stirring reaction 6-8 hours in ice-water bath, then add the copolymerization being prepared by step 1) thereto again
Thing, reaction 3-5 hours are mixed at 80-90 DEG C, after settle out in acetone, and dry 10- at 50-60 DEG C in vacuum drying chamber
15 hours, produce trehalose modified soil modifying agent.
3. high-efficiency environment friendly fertilizer according to claim 2, it is characterised in that the system of the trehalose modified soil modifying agent
Acrylamide described in the step 1) of Preparation Method, eugenol, high boiling solvent, the mass ratio of initiator are (2-3):1：(10-
15)：(0.01-0.02).
4. high-efficiency environment friendly fertilizer according to claim 2, it is characterised in that the system of the trehalose modified soil modifying agent
It is prepared by trehalose described in the step 2) of Preparation Method, anhydrous pyridine, N,N-dimethylformamide, paratoluensulfonyl chloride, step 1)
The mass ratio of obtained copolymer is 5：1：(15-20)：(1-2)：(5-7).
5. high-efficiency environment friendly fertilizer according to claim 2, it is characterised in that the high boiling solvent is dimethyl sulfoxide, N,
One or more in dinethylformamide, 1-METHYLPYRROLIDONE.
6. high-efficiency environment friendly fertilizer according to claim 2, it is characterised in that the initiator is azodiisobutyronitrile, idol
One or more in two different heptonitrile of nitrogen.
7. high-efficiency environment friendly fertilizer according to claim 1, it is characterised in that the melamine phosphate modified humic acid
Preparation method, comprise the following steps：By humic acid, dicyclohexylcarbodiimide, 1- (3- dimethylaminopropyls) -3- ethyls
Carbodiimide is dissolved in DMF, and adds melamine phosphate thereto, is stirred at 100-110 DEG C anti-
Answer 6-8 hours, after settled out in ether, and in vacuum drying chamber at 50-60 DEG C dry 10-15 hours, produce melamine phosphorus
Sulfonate modified humic acid.
8. high-efficiency environment friendly fertilizer according to claim 7, it is characterised in that the humic acid, dicyclohexylcarbodiimide,
1- (3- dimethylaminopropyls) -3- ethyl carbodiimides, N,N-dimethylformamide, the mass ratio of melamine phosphate are
(2-4):1:1：(10-15):1.
9. the preparation method of a kind of high-efficiency environment friendly fertilizer as described in claim any one of 1-8, it is characterised in that including as follows
Step：Trehalose modified soil modifying agent, melamine phosphate modified humic acid, potassium phosphate, ammonium borate are added to ball milling
Grinding flour in machine, fineness are controlled in 10-20 microns, are then added in high-speed mixer with 1000-1300 revs/min of mixing
After speed is stirred 20-30 minutes, blend composition is made；Then blend composition is added in rotary drum granulator, be granulated, rear transfer
Dried into drum dryer, the drum dryer temperature is 260-350 DEG C, is dried to moisture≤8%；Finally lead to again
Supercooling, anticaking agent is sprayed, weighs, pack.
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108440112A (en) * | 2018-05-02 | 2018-08-24 | 胡从玉 | A kind of ginkgo plantation dedicated fertilizer and preparation method thereof |
| CN110790945A (en) * | 2019-11-26 | 2020-02-14 | 陕西科技大学 | Cationized humic acid and preparation method and application thereof |
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| CN101928188A (en) * | 2009-06-19 | 2010-12-29 | 深圳市意可曼生物科技有限公司 | Slow-release fertilizer with effect of soil remediation and remediation method of soil polluted by polycyclic aromatic hydrocarbons |
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| CN108440112A (en) * | 2018-05-02 | 2018-08-24 | 胡从玉 | A kind of ginkgo plantation dedicated fertilizer and preparation method thereof |
| CN110790945A (en) * | 2019-11-26 | 2020-02-14 | 陕西科技大学 | Cationized humic acid and preparation method and application thereof |
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