CN106748031A - A kind of Rice Cropping compound fertilizer of sustained release performance high and preparation method thereof - Google Patents
A kind of Rice Cropping compound fertilizer of sustained release performance high and preparation method thereof Download PDFInfo
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- CN106748031A CN106748031A CN201611097902.7A CN201611097902A CN106748031A CN 106748031 A CN106748031 A CN 106748031A CN 201611097902 A CN201611097902 A CN 201611097902A CN 106748031 A CN106748031 A CN 106748031A
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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
- C05G5/00—Fertilisers characterised by their form
- C05G5/30—Layered or coated, e.g. dust-preventing coatings
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- C—CHEMISTRY; METALLURGY
- C05—FERTILISERS; MANUFACTURE THEREOF
- C05B—PHOSPHATIC FERTILISERS
- C05B3/00—Fertilisers based essentially on di-calcium phosphate
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Abstract
The invention discloses a kind of Rice Cropping compound fertilizer of sustained release performance high, its raw material includes urea, potassium chloride, potassium sulfate, potassium nitrate, ammonium nitrate, ammonium molybdate, calcium carbonate, calcium phosphate, calcium monohydrogen phosphate, cerous nitrate, borax, manganese sulfate, zinc sulfate, Erucic acid, conch shell powder, stalk powder, chicken manure, potassium breeze, stone flour, shrimp shell meal, wood chip, bone meal and modified sustained release agent.The present invention also proposes a kind of preparation method of compound fertilizer of the above-mentioned Rice Cropping with sustained release performance high.The compound fertilizer that the present invention is prepared has excellent sustained release performance, can promote plant growth, improves the yield and quality of crop.
Description
Technical field
The present invention relates to technical field of fertilizers, more particularly to a kind of Rice Cropping with the compound fertilizer of sustained release performance high and its
Preparation method.
Background technology
Term Fertilization initial stage nitrogen released rate crosses conference and produces volatilization and leaching loss, not only causes damage, and crops seedling stage is grown
Also unfavorable, such issues that many nitrogen manures are all present, but most research datas only focus on the tune that fertilizer nitrogen discharges too fast problem
Such issues that section and suppress, and have ignored most composite organic-inorganic fertilizers and there is also.Especially coordinate inorganic with fermented organic
Enzyme is urinated after making moist or being manured into soil by the composite fertilizer that nitrogenous fertilizer is made can be active quickly, discharges ammoniacal nitrogen, while bacterial digestion
Effect also makes nitrogen be converted to nitrate nitrogen direction, and environmental pollution is larger.Therefore a kind of Rice Cropping slow release high of design is needed badly
Can compound fertilizer solve the problems of the prior art.
The content of the invention
To solve technical problem present in background technology, the present invention proposes a kind of Rice Cropping answering with sustained release performance high
Hefei material and preparation method thereof.The compound fertilizer for preparing has excellent sustained release performance, can promote plant growth, improves
The yield and quality of crop.
A kind of Rice Cropping proposed by the present invention compound fertilizer of sustained release performance high, its raw material includes by weight：Urine
Plain 15-25 parts, potassium chloride 3-9 parts, potassium sulfate 2-6 parts, potassium nitrate 1-4 parts, ammonium nitrate 3-5 parts, ammonium molybdate 6-12 parts, calcium carbonate
1-3 parts, calcium phosphate 2-4 parts, calcium monohydrogen phosphate 4-8 parts, cerous nitrate 2-5 parts, borax 3-6 parts, manganese sulfate 1-3 parts, zinc sulfate 1.5-
3.5 parts, Erucic acid 2.5-6.5 parts, conch shell powder 4-8 parts, stalk powder 2-5 parts, chicken manure 1.5-4.5 parts, potassium breeze 2.5-
3.5 parts, stone flour 2-4 parts, shrimp shell meal 3-6 parts, wood chip 4-8 parts, bone meal 2-6 parts, modified 8-12 parts of sustained release agent.
Preferably, the sustained release agent that is modified is prepared by following technique：Stirred after bentonite, lignin and distilled water are mixed
Uniformly, trimethyl lignin quaternary is subsequently adding, water bath with thermostatic control stirring is subsequently cooled to room temperature, and suction filtration is precipitated thing, connects
Drying precipitate, be cooled to room temperature and obtain modified sustained release agent.
Preferably, the sustained release agent that is modified is prepared by following technique：Bentonite, lignin and distilled water are well mixed,
Stirred in the speed of 850-1050r/min, trimethyl lignin quaternary is subsequently adding, in 65-75 DEG C of water bath with thermostatic control
4-6h is stirred with the speed of 280-320r/min, room temperature is subsequently cooled to, suction filtration is precipitated thing, then by sediment in 45-
55 DEG C dry 44-52h, are cooled to room temperature and obtain modified sustained release agent.
Preferably, it is modified in the preparation process of sustained release agent, the weight of bentonite, lignin and trimethyl lignin quaternary
Than being 1-3:2-5:0.4-3.6.
Preferably, the solid content of trimethyl lignin quaternary is 35-37%, and density is 1.08g/cm3。
Preferably, its raw material includes by weight：Urea 18-22 parts, potassium chloride 4-8 parts, potassium sulfate 3-5 parts, potassium nitrate
2-3 parts, ammonium nitrate 3.5-4.5 parts, ammonium molybdate 7-11 parts, calcium carbonate 1.5-2.5 parts, calcium phosphate 2.5-3.5 parts, calcium monohydrogen phosphate 5-
7 parts, cerous nitrate 3-4 parts, borax 4-5 parts, manganese sulfate 1.5-2.5 parts, zinc sulfate 1.8-3.2 parts, Erucic acid 2.8-6.2 parts,
Conch shell powder 5-7 parts, stalk powder 3-4 parts, chicken manure 1.8-4.2 parts, potassium breeze 2.8-3.2 parts, stone flour 2.5-3.5 parts, shrimp shell
Powder 4-5 parts, wood chip 5-7 parts, bone meal 3-5 parts, modified 9-11 parts of sustained release agent.
Preferably, its raw material includes by weight：20 parts of urea, 6 parts of potassium chloride, 4 parts of potassium sulfate, 2.5 parts of potassium nitrate, nitre
4 parts of sour ammonium, 8 parts of ammonium molybdate, 2 parts of calcium carbonate, 3 parts of calcium phosphate, 6 parts of calcium monohydrogen phosphate, 3.5 parts of cerous nitrate, 4.5 parts of borax, sulfuric acid
2 parts of manganese, 2.5 parts of zinc sulfate, 4.5 parts of Erucic acid, 6 parts of conch shell powder, 3.5 parts of stalk powder, 3 parts of chicken manure, potassium breeze 3.0
Part, 3 parts of stone flour, 4.5 parts of shrimp shell meal, 6 parts of wood chip, 4 parts of bone meal, modified 10 parts of sustained release agent.
A kind of preparation method of compound fertilizer of the Rice Cropping of the invention with sustained release performance high, comprises the following steps：
S1, Erucic acid, conch shell powder, stalk powder, chicken manure, potassium breeze, stone flour, shrimp shell meal, wood chip and bone meal are mixed
Close uniform, be heated to 135-145 DEG C, be incubated 20-30min, be cooled to room temperature and obtain material I；
S2, by urea, potassium chloride, potassium sulfate, potassium nitrate, ammonium nitrate, ammonium molybdate, calcium carbonate, calcium phosphate, calcium monohydrogen phosphate,
Cerous nitrate, borax, manganese sulfate and zinc sulfate are well mixed, and are then heated to 70-80 DEG C, are subsequently added into material I and are well mixed, in
5500-8500r/min stirs into slurry, obtains material II；
S3, material II to be delivered to carried out in comminutor to granulate obtain material III；
S4, material III is delivered to cooler cooling, after temperature is down to 50-60 DEG C, delivers in sustained release agent coating machine and make
Coating is carried out with the modified sustained release agent of proportioning obtain material IV；
S5, by material IV by dispelling, dry, be cooled to room temperature and obtain composite fertilizer of the Rice Cropping with sustained release performance high
Material.
A kind of Rice Cropping of the invention compound fertilizer of sustained release performance high, its raw material includes urea, potassium chloride, sulfuric acid
Potassium, potassium nitrate, ammonium nitrate, ammonium molybdate, calcium carbonate, calcium phosphate, calcium monohydrogen phosphate, cerous nitrate, borax, manganese sulfate, zinc sulfate, rape
Grouts, conch shell powder, stalk powder, chicken manure, potassium breeze, stone flour, shrimp shell meal, wood chip, bone meal and modified sustained release agent.Wherein add
Erucic acid, conch shell powder, stalk powder, chicken manure, potassium breeze, stone flour, shrimp shell meal, wood chip and bone meal are used as organic matter and mineral
The source of element, innermost layer nutriment is obtained by heating, then adds urea, potassium chloride, potassium sulfate, potassium nitrate, ammonium nitrate, molybdenum
Sour ammonium, calcium carbonate, calcium phosphate, calcium monohydrogen phosphate, cerous nitrate, borax, manganese sulfate and zinc sulfate are well mixed, and are melted by heating
Afterwards, granulation obtains fertiliser granulates, eventually passes sustained release agent coating and obtains the compound of Rice Cropping of the invention sustained release performance high
Fertilizer, wherein sustained release agent are prepared with bentonite, lignin and trimethyl lignin quaternary, by trimethyl lignin season
Ammonium salt intercalation enters bentonite and lignin, makes interbed property that respective change to occur, and hydrophobicity is changed into by original hydrophily,
And then effectively increase the sustained release performance of compound fertilizer of the present invention.The compound fertilizer that the present invention is prepared has excellent sustained release
Performance, can promote plant growth, improve the yield and quality of crop.
Specific embodiment
The present invention is described in detail with reference to specific embodiment, it should be appreciated that embodiment is served only for illustrating this hair
Bright, rather than for limiting the invention, any modification made on the basis of the present invention, equivalent etc. are in this hair
In bright protection domain.
In specific embodiment, the weight portion of urea can for 15 parts, 16 parts, 17 parts, 18 parts, 19 parts, 20 parts, 21 parts,
22 parts, 23 parts, 24 parts, 25 parts；The weight portion of potassium chloride can be 3 parts, 4 parts, 5 parts, 6 parts, 7 parts, 8 parts, 9 parts；Potassium sulfate
Weight portion can be 2 parts, 3 parts, 4 parts, 5 parts, 6 parts；The weight portion of potassium nitrate can for 1 part, 1.5 parts, 2 parts, 2.5 parts, 3 parts,
3.5 parts, 4 parts；The weight portion of ammonium nitrate can be 3 parts, 3.5 parts, 4 parts, 4.5 parts, 5 parts；The weight portion of ammonium molybdate can be 6
Part, 7 parts, 8 parts, 9 parts, 10 parts, 11 parts, 12 parts；The weight portion of calcium carbonate can be 1 part, 1.5 parts, 2 parts, 2.5 parts, 3 parts；Phosphorus
The weight portion of sour calcium can be 2 parts, 2.5 parts, 3 parts, 3.5 parts, 4 parts；The weight portion of calcium monohydrogen phosphate can for 4 parts, 5 parts, 6 parts, 7
Part, 8 parts；The weight portion of cerous nitrate can be 2 parts, 2.5 parts, 3 parts, 3.5 parts, 4 parts, 4.5 parts, 5 parts；The weight portion of borax can be with
It is 3 parts, 3.5 parts, 4 parts, 4.5 parts, 5 parts, 5.5 parts, 6 parts；The weight portion of manganese sulfate can for 1 part, 1.5 parts, 2 parts, 2.5 parts, 3
Part；The weight portion of zinc sulfate can for 1.5 parts, 1.6 parts, 1.7 parts, 1.8 parts, 1.9 parts, 2.0 parts, 2.1 parts, 2.2 parts, 2.3 parts,
2.4 parts, 2.5 parts, 2.6 parts, 2.7 parts, 2.8 parts, 2.9 parts, 3.0 parts, 3.1 parts, 3.2 parts, 3.3 parts, 3.4 parts, 3.5 parts；Rape
The weight portion of grouts can for 2.5 parts, 2.6 parts, 2.7 parts, 2.8 parts, 2.9 parts, 3.0 parts, 3.1 parts, 3.2 parts, 3.3 parts, 3.4
Part, 3.5 parts, 3.6 parts, 3.7 parts, 3.8 parts, 3.9 parts, 4.0 parts, 4.1 parts, 4.2 parts, 4.3 parts, 4.4 parts, 4.5 parts, 4.6 parts,
4.7 parts, 4.8 parts, 4.9 parts, 5.0 parts, 5.1 parts, 5.2 parts, 5.3 parts, 5.4 parts, 5.5 parts, 5.6 parts, 5.7 parts, 5.8 parts, 5.9
Part, 6.0 parts, 6.1 parts, 6.2 parts, 6.3 parts, 6.4 parts, 6.5 parts；The weight portion of conch shell powder can for 4 parts, 5 parts, 6 parts, 7 parts,
8 parts；The weight portion of stalk powder can be 2 parts, 2.5 parts, 3 parts, 3.5 parts, 4 parts, 4.5 parts, 5 parts；The weight portion of chicken manure can be with
For 1.5 parts, 1.6 parts, 1.7 parts, 1.8 parts, 1.9 parts, 2.0 parts, 2.1 parts, 2.2 parts, 2.3 parts, 2.4 parts, 2.5 parts, 2.6 parts, 2.7
Part, 2.8 parts, 2.9 parts, 3.0 parts, 3.1 parts, 3.2 parts, 3.3 parts, 3.4 parts, 3.5 parts, 3.6 parts, 3.7 parts, 3.8 parts, 3.9 parts,
4.0 parts, 4.1 parts, 4.2 parts, 4.3 parts, 4.4 parts, 4.5 parts；The weight portion of potassium breeze can for 2.5 parts, 2.6 parts, 2.7 parts, 2.8
Part, 2.9 parts, 3.0 parts, 3.1 parts, 3.2 parts, 3.3 parts, 3.4 parts, 3.5 parts；The weight portion of stone flour can for 2 parts, 2.5 parts, 3 parts,
3.5 parts, 4 parts；The weight portion of shrimp shell meal can be 3 parts, 3.5 parts, 4 parts, 4.5 parts, 5 parts, 5.5 parts, 6 parts；The weight portion of wood chip
It can be 4 parts, 5 parts, 6 parts, 7 parts, 8 parts；The weight portion of bone meal can be 2 parts, 3 parts, 4 parts, 5 parts, 6 parts；Modified sustained release agent
Weight portion can be 8 parts, 9 parts, 10 parts, 11 parts, 12 parts.
Embodiment 1
A kind of Rice Cropping proposed by the present invention compound fertilizer of sustained release performance high, its raw material includes by weight：Urine
20 parts of element, 6 parts of potassium chloride, 4 parts of potassium sulfate, 2.5 parts of potassium nitrate, 4 parts of ammonium nitrate, 8 parts of ammonium molybdate, 2 parts of calcium carbonate, calcium phosphate 3
Part, 6 parts of calcium monohydrogen phosphate, 3.5 parts of cerous nitrate, 4.5 parts of borax, 2 parts of manganese sulfate, 2.5 parts of zinc sulfate, 4.5 parts of Erucic acid, conch
6 parts of shell powder, 3.5 parts of stalk powder, 3 parts of chicken manure, 3.0 parts of potassium breeze, 3 parts of stone flour, 4.5 parts of shrimp shell meal, 6 parts of wood chip, bone meal 4
Part, modified 10 parts of sustained release agent.
Embodiment 2
A kind of Rice Cropping proposed by the present invention compound fertilizer of sustained release performance high, its raw material includes by weight：Urine
15 parts of element, 9 parts of potassium chloride, 2 parts of potassium sulfate, 4 parts of potassium nitrate, 3 parts of ammonium nitrate, 12 parts of ammonium molybdate, 1 part of calcium carbonate, calcium phosphate 4
Part, 4 parts of calcium monohydrogen phosphate, 5 parts of cerous nitrate, 3 parts of borax, 3 parts of manganese sulfate, 1.5 parts of zinc sulfate, 6.5 parts of Erucic acid, conch shell powder
4 parts, it is 5 parts of stalk powder, 1.5 parts of chicken manure, 3.5 parts of potassium breeze, 2 parts of stone flour, 6 parts of shrimp shell meal, 4 parts of wood chip, 6 parts of bone meal, modified
8 parts of sustained release agent.
Modified sustained release agent is prepared by following technique：1 part of bentonite, 5 parts of lignin and distilled water are mixed by weight
Close uniform, stirred in the speed of 850r/min, it is 35% to be subsequently adding 3.6 parts of solid contents, and density is 1.08g/cm3Three
Methyl lignin quaternary, 6h is stirred in 75 DEG C of waters bath with thermostatic control with the speed of 280r/min, is subsequently cooled to room temperature, and suction filtration is obtained
To sediment, sediment is then dried into 52h in 45 DEG C, be cooled to room temperature and obtain modified sustained release agent.
A kind of preparation method of compound fertilizer of the Rice Cropping of the invention with sustained release performance high, comprises the following steps：
S1, Erucic acid, conch shell powder, stalk powder, chicken manure, potassium breeze, stone flour, shrimp shell meal, wood chip and bone meal are mixed
Close uniform, be heated to 135 DEG C, be incubated 30min, be cooled to room temperature and obtain material I；
S2, by urea, potassium chloride, potassium sulfate, potassium nitrate, ammonium nitrate, ammonium molybdate, calcium carbonate, calcium phosphate, calcium monohydrogen phosphate,
Cerous nitrate, borax, manganese sulfate and zinc sulfate are well mixed, and are then heated to 70 DEG C, are subsequently added into material I and are well mixed, in
8500r/min stirs into slurry, obtains material II；
S3, material II to be delivered to carried out in comminutor to granulate obtain material III；
S4, material III is delivered to cooler cooling, after temperature is down to 50 DEG C, deliver in sustained release agent coating machine and using matching somebody with somebody
The modified sustained release agent of ratio carries out coating and obtains material IV；
S5, by material IV by dispelling, dry, be cooled to room temperature and obtain composite fertilizer of the Rice Cropping with sustained release performance high
Material.
Embodiment 3
A kind of Rice Cropping proposed by the present invention compound fertilizer of sustained release performance high, its raw material includes by weight：Urine
Element 25 parts, 3 parts of potassium chloride, 6 parts of potassium sulfate, 1 part of potassium nitrate, 5 parts of ammonium nitrate, 6 parts of ammonium molybdate, 3 parts of calcium carbonate, 2 parts of calcium phosphate,
8 parts of calcium monohydrogen phosphate, 2 parts of cerous nitrate, 6 parts of borax, 1 part of manganese sulfate, 3.5 parts of zinc sulfate, 2.5 parts of Erucic acid, conch shell powder 8
It is part, 2 parts of stalk powder, 4.5 parts of chicken manure, 2.5 parts of potassium breeze, 4 parts of stone flour, 3 parts of shrimp shell meal, 8 parts of wood chip, 2 parts of bone meal, modified slow
Release 12 parts of agent.
Modified sustained release agent is prepared by following technique：3 parts of bentonites, 2 parts of lignin and distilled water are mixed by weight
Close uniform, stirred in the speed of 1050r/min, it is 37% to be subsequently adding 0.4 part of solid content, and density is 1.08g/cm3's
Trimethyl lignin quaternary, 4h is stirred in 65 DEG C of waters bath with thermostatic control with the speed of 320r/min, is subsequently cooled to room temperature, suction filtration
Thing is precipitated, sediment is then dried into 44h in 55 DEG C, be cooled to room temperature and obtain modified sustained release agent.
A kind of preparation method of compound fertilizer of the Rice Cropping of the invention with sustained release performance high, comprises the following steps：
S1, Erucic acid, conch shell powder, stalk powder, chicken manure, potassium breeze, stone flour, shrimp shell meal, wood chip and bone meal are mixed
Close uniform, be heated to 145 DEG C, be incubated 20min, be cooled to room temperature and obtain material I；
S2, by urea, potassium chloride, potassium sulfate, potassium nitrate, ammonium nitrate, ammonium molybdate, calcium carbonate, calcium phosphate, calcium monohydrogen phosphate,
Cerous nitrate, borax, manganese sulfate and zinc sulfate are well mixed, and are then heated to 80 DEG C, are subsequently added into material I and are well mixed, in
5500r/min stirs into slurry, obtains material II；
S3, material II to be delivered to carried out in comminutor to granulate obtain material III；
S4, material III is delivered to cooler cooling, after temperature is down to 60 DEG C, deliver in sustained release agent coating machine and using matching somebody with somebody
The modified sustained release agent of ratio carries out coating and obtains material IV；
S5, by material IV by dispelling, dry, be cooled to room temperature and obtain composite fertilizer of the Rice Cropping with sustained release performance high
Material.
Embodiment 4
A kind of Rice Cropping proposed by the present invention compound fertilizer of sustained release performance high, its raw material includes by weight：Urine
18 parts of element, 8 parts of potassium chloride, 3 parts of potassium sulfate, 3 parts of potassium nitrate, 3.5 parts of ammonium nitrate, 11 parts of ammonium molybdate, 1.5 parts of calcium carbonate, phosphoric acid
3.5 parts of calcium, 5 parts of calcium monohydrogen phosphate, 4 parts of cerous nitrate, 4 parts of borax, 2.5 parts of manganese sulfate, 1.8 parts of zinc sulfate, 6.2 parts of Erucic acid,
5 parts of conch shell powder, 4 parts of stalk powder, 1.8 parts of chicken manure, 3.2 parts of potassium breeze, 2.5 parts of stone flour, 5 parts of shrimp shell meal, 5 parts of wood chip, bone
5 parts of powder, modified 9 parts of sustained release agent.
Modified sustained release agent is prepared by following technique：By weight by 1.5 parts of bentonites, 4 parts of lignin and distilled water
It is well mixed, stirred in the speed of 880r/min, it is 35.5% to be subsequently adding 3.4 parts of solid contents, and density is 1.08g/cm3
Trimethyl lignin quaternary, 5.5h is stirred with the speed of 290r/min in 72 DEG C of waters bath with thermostatic control, be subsequently cooled to room temperature,
Suction filtration is precipitated thing, and sediment then is dried into 51h in 48 DEG C, is cooled to room temperature and obtains modified sustained release agent.
A kind of preparation method of compound fertilizer of the Rice Cropping of the invention with sustained release performance high, comprises the following steps：
S1, Erucic acid, conch shell powder, stalk powder, chicken manure, potassium breeze, stone flour, shrimp shell meal, wood chip and bone meal are mixed
Close uniform, be heated to 138 DEG C, be incubated 28min, be cooled to room temperature and obtain material I；
S2, by urea, potassium chloride, potassium sulfate, potassium nitrate, ammonium nitrate, ammonium molybdate, calcium carbonate, calcium phosphate, calcium monohydrogen phosphate,
Cerous nitrate, borax, manganese sulfate and zinc sulfate are well mixed, and are then heated to 72 DEG C, are subsequently added into material I and are well mixed, in
8200r/min stirs into slurry, obtains material II；
S3, material II to be delivered to carried out in comminutor to granulate obtain material III；
S4, material III is delivered to cooler cooling, after temperature is down to 52 DEG C, deliver in sustained release agent coating machine and using matching somebody with somebody
The modified sustained release agent of ratio carries out coating and obtains material IV；
S5, by material IV by dispelling, dry, be cooled to room temperature and obtain composite fertilizer of the Rice Cropping with sustained release performance high
Material.
Embodiment 5
A kind of Rice Cropping proposed by the present invention compound fertilizer of sustained release performance high, its raw material includes by weight：Urine
22 parts of element, 4 parts of potassium chloride, 5 parts of potassium sulfate, 2 parts of potassium nitrate, 4.5 parts of ammonium nitrate, 7 parts of ammonium molybdate, 2.5 parts of calcium carbonate, calcium phosphate
2.5 parts, 7 parts of calcium monohydrogen phosphate, 3 parts of cerous nitrate, 5 parts of borax, 1.5 parts of manganese sulfate, 3.2 parts of zinc sulfate, 2.8 parts of Erucic acid, sea
7 parts of spiral case powder, 3 parts of stalk powder, 4.2 parts of chicken manure, 2.8 parts of potassium breeze, 3.5 parts of stone flour, 4 parts of shrimp shell meal, 7 parts of wood chip, bone meal 3
Part, modified 11 parts of sustained release agent.
Modified sustained release agent is prepared by following technique：By weight by 2.5 parts of bentonites, 3 parts of lignin and distilled water
It is well mixed, stirred in the speed of 1020r/min, it is 36.5% to be subsequently adding 0.6 part of solid content, and density is 1.08g/
cm3Trimethyl lignin quaternary, 4.5h is stirred with the speed of 310r/min in 68 DEG C of waters bath with thermostatic control, be subsequently cooled to room
Temperature, suction filtration is precipitated thing, and sediment then is dried into 45h in 52 DEG C, is cooled to room temperature and obtains modified sustained release agent.
A kind of preparation method of compound fertilizer of the Rice Cropping of the invention with sustained release performance high, comprises the following steps：
S1, Erucic acid, conch shell powder, stalk powder, chicken manure, potassium breeze, stone flour, shrimp shell meal, wood chip and bone meal are mixed
Close uniform, be heated to 142 DEG C, be incubated 22min, be cooled to room temperature and obtain material I；
S2, by urea, potassium chloride, potassium sulfate, potassium nitrate, ammonium nitrate, ammonium molybdate, calcium carbonate, calcium phosphate, calcium monohydrogen phosphate,
Cerous nitrate, borax, manganese sulfate and zinc sulfate are well mixed, and are then heated to 78 DEG C, are subsequently added into material I and are well mixed, in
5800r/min stirs into slurry, obtains material II；
S3, material II to be delivered to carried out in comminutor to granulate obtain material III；
S4, material III is delivered to cooler cooling, after temperature is down to 58 DEG C, deliver in sustained release agent coating machine and using matching somebody with somebody
The modified sustained release agent of ratio carries out coating and obtains material IV；
S5, by material IV by dispelling, dry, be cooled to room temperature and obtain composite fertilizer of the Rice Cropping with sustained release performance high
Material.
The above, the only present invention preferably specific embodiment, but protection scope of the present invention is not limited thereto,
Any one skilled in the art the invention discloses technical scope in, technology according to the present invention scheme and its
Inventive concept is subject to equivalent or change, should all be included within the scope of the present invention.
Claims (8)
1. a kind of Rice Cropping compound fertilizer of sustained release performance high, it is characterised in that its raw material includes by weight：Urea
15-25 parts, potassium chloride 3-9 parts, potassium sulfate 2-6 parts, potassium nitrate 1-4 parts, ammonium nitrate 3-5 parts, ammonium molybdate 6-12 parts, calcium carbonate 1-
3 parts, calcium phosphate 2-4 parts, calcium monohydrogen phosphate 4-8 parts, cerous nitrate 2-5 parts, borax 3-6 parts, manganese sulfate 1-3 parts, zinc sulfate 1.5-3.5
Part, Erucic acid 2.5-6.5 parts, conch shell powder 4-8 parts, stalk powder 2-5 parts, chicken manure 1.5-4.5 parts, potassium breeze 2.5-3.5
Part, stone flour 2-4 parts, shrimp shell meal 3-6 parts, wood chip 4-8 parts, bone meal 2-6 parts, modified 8-12 parts of sustained release agent.
2. the Rice Cropping according to claim 1 compound fertilizer of sustained release performance high, it is characterised in that modified sustained release agent
It is prepared by following technique：Stirred after bentonite, lignin and distilled water are mixed, be subsequently adding trimethyl lignin
Quaternary ammonium salt, water bath with thermostatic control stirring, is subsequently cooled to room temperature, and suction filtration is precipitated thing, then by drying precipitate, is cooled to room temperature
Obtain modified sustained release agent.
3. the Rice Cropping according to claim 1 and 2 compound fertilizer of sustained release performance high, it is characterised in that modified slow
Agent is released to be prepared by following technique：Bentonite, lignin and distilled water are well mixed, in the speed of 850-1050r/min
Stir, be subsequently adding trimethyl lignin quaternary, the speed with 280-320r/min in 65-75 DEG C of water bath with thermostatic control is stirred
4-6h is mixed, room temperature is subsequently cooled to, suction filtration is precipitated thing, sediment then is dried into 44-52h in 45-55 DEG C, is cooled to room
Temperature obtains modified sustained release agent.
4. the compound fertilizer of sustained release performance high of the Rice Cropping according to claim any one of 1-3, it is characterised in that change
Property sustained release agent preparation process in, the weight ratio of bentonite, lignin and trimethyl lignin quaternary is 1-3:2-5:0.4-
3.6。
5. the compound fertilizer of sustained release performance high of the Rice Cropping according to claim any one of 1-4, it is characterised in that three
The solid content of methyl lignin quaternary is 35-37%, and density is 1.08g/cm3。
6. the compound fertilizer of sustained release performance high of the Rice Cropping according to claim any one of 1-5, it is characterised in that its
Raw material includes by weight：Urea 18-22 parts, potassium chloride 4-8 parts, potassium sulfate 3-5 parts, potassium nitrate 2-3 parts, ammonium nitrate 3.5-
4.5 parts, ammonium molybdate 7-11 parts, calcium carbonate 1.5-2.5 parts, calcium phosphate 2.5-3.5 parts, calcium monohydrogen phosphate 5-7 parts, cerous nitrate 3-4 parts,
Borax 4-5 parts, manganese sulfate 1.5-2.5 parts, zinc sulfate 1.8-3.2 parts, Erucic acid 2.8-6.2 parts, conch shell powder 5-7 parts, straw
3-4 parts of stalk powder, chicken manure 1.8-4.2 parts, potassium breeze 2.8-3.2 parts, stone flour 2.5-3.5 parts, shrimp shell meal 4-5 parts, wood chip 5-7
Part, bone meal 3-5 parts, modified 9-11 parts of sustained release agent.
7. the compound fertilizer of sustained release performance high of the Rice Cropping according to claim any one of 1-6, it is characterised in that its
Raw material includes by weight：20 parts of urea, 6 parts of potassium chloride, 4 parts of potassium sulfate, 2.5 parts of potassium nitrate, 4 parts of ammonium nitrate, ammonium molybdate 8
Part, 2 parts of calcium carbonate, 3 parts of calcium phosphate, 6 parts of calcium monohydrogen phosphate, 3.5 parts of cerous nitrate, 4.5 parts of borax, 2 parts of manganese sulfate, zinc sulfate 2.5
Part, 4.5 parts of Erucic acid, 6 parts of conch shell powder, 3.5 parts of stalk powder, 3 parts of chicken manure, 3.0 parts of potassium breeze, 3 parts of stone flour, shrimp shell meal
4.5 parts, 6 parts of wood chip, 4 parts of bone meal, modified 10 parts of sustained release agent.
8. the preparation side of compound fertilizer of a kind of Rice Cropping according to claim any one of 1-7 with sustained release performance high
Method, it is characterised in that comprise the following steps：
S1, Erucic acid, conch shell powder, stalk powder, chicken manure, potassium breeze, stone flour, shrimp shell meal, wood chip and bone meal are mixed equal
It is even, 135-145 DEG C is heated to, 20-30min is incubated, it is cooled to room temperature and obtains material I；
S2, by urea, potassium chloride, potassium sulfate, potassium nitrate, ammonium nitrate, ammonium molybdate, calcium carbonate, calcium phosphate, calcium monohydrogen phosphate, nitric acid
Cerium, borax, manganese sulfate and zinc sulfate are well mixed, and are then heated to 70-80 DEG C, are subsequently added into material I and are well mixed, in
5500-8500r/min stirs into slurry, obtains material II；
S3, material II to be delivered to carried out in comminutor to granulate obtain material III；
S4, material III is delivered to cooler cooling, after temperature is down to 50-60 DEG C, deliver in sustained release agent coating machine and using matching somebody with somebody
The modified sustained release agent of ratio carries out coating and obtains material IV；
S5, by material IV by dispelling, dry, be cooled to room temperature and obtain compound fertilizer of the Rice Cropping with sustained release performance high.
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| CN201611097902.7A CN106748031A (en) | 2016-12-03 | 2016-12-03 | A kind of Rice Cropping compound fertilizer of sustained release performance high and preparation method thereof |
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Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107142766A (en) * | 2017-06-27 | 2017-09-08 | 安徽省瑞森生物科技有限责任公司 | A kind of efficiently quaternized shrimp shell meal is crosslinked the preparation method of stalk soilless culture fibrous paper |
| CN107540463A (en) * | 2017-10-20 | 2018-01-05 | 桐城市天天家庭农场有限公司 | A kind of slow release fertilizer for Rice Cropping and preparation method thereof |
| CN107879841A (en) * | 2017-11-16 | 2018-04-06 | 来安县薜必英家庭农场 | A kind of paddy rice-dedicated fertilizer preparation method for improving utilization rate of fertilizer |
| CN109776227A (en) * | 2017-11-13 | 2019-05-21 | 江苏小潘园生态农业科技发展有限公司 | A kind of wine-growing compound fertilizer |
Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104817395A (en) * | 2015-04-27 | 2015-08-05 | 山东省农业科学院农业资源与环境研究所 | Controlled-release compound fertilizer and preparation method thereof |
-
2016
- 2016-12-03 CN CN201611097902.7A patent/CN106748031A/en not_active Withdrawn
Patent Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104817395A (en) * | 2015-04-27 | 2015-08-05 | 山东省农业科学院农业资源与环境研究所 | Controlled-release compound fertilizer and preparation method thereof |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107142766A (en) * | 2017-06-27 | 2017-09-08 | 安徽省瑞森生物科技有限责任公司 | A kind of efficiently quaternized shrimp shell meal is crosslinked the preparation method of stalk soilless culture fibrous paper |
| CN107540463A (en) * | 2017-10-20 | 2018-01-05 | 桐城市天天家庭农场有限公司 | A kind of slow release fertilizer for Rice Cropping and preparation method thereof |
| CN109776227A (en) * | 2017-11-13 | 2019-05-21 | 江苏小潘园生态农业科技发展有限公司 | A kind of wine-growing compound fertilizer |
| CN107879841A (en) * | 2017-11-16 | 2018-04-06 | 来安县薜必英家庭农场 | A kind of paddy rice-dedicated fertilizer preparation method for improving utilization rate of fertilizer |
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