CN105801271A - Nitrogen-phosphorus-potassium high-concentration compound fertilizer and preparation method thereof - Google Patents
Nitrogen-phosphorus-potassium high-concentration compound fertilizer and preparation method thereof Download PDFInfo
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- CN105801271A CN105801271A CN201610239569.2A CN201610239569A CN105801271A CN 105801271 A CN105801271 A CN 105801271A CN 201610239569 A CN201610239569 A CN 201610239569A CN 105801271 A CN105801271 A CN 105801271A
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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
- C05B1/00—Superphosphates, i.e. fertilisers produced by reacting rock or bone phosphates with sulfuric or phosphoric acid in such amounts and concentrations as to yield solid products directly
- C05B1/02—Superphosphates
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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
Abstract
The invention discloses a nitrogen-phosphorus-potassium high-concentration compound fertilizer and a preparation method thereof. The nitrogen-phosphorus-potassium high-concentration compound fertilizer is prepared from, by weight, urea, coal humic acid, potassium chloride, potassium sulfate, ammonium chloride, ammonium bicarbonate, calcium superphosphate, monoammonium phosphate, bentonite, calcium carbonate, kaolin, yellow humic acid, brown humic acid, amino acid, plant probiotics, an initiator and a polymerization catalyst, wherein the plant probiotics is nitrogen-fixing bacillus or bacillus licheniformis or bacillus subtilis. The compound fertilizer is high in nutrient content, extremely few in accessory component and good in physical characteristic, reasonable matching and scientific proportioning are adopted, the concentration of the fertilizer is increased, the components are increased, the hygroscopicity is improved, the fertilizer caking problem can be improved, the fertilizer utilization rate is increased, the soil fertility is enhanced, the quality of crops is improved, and the yield of the crops is increased; after the plant probiotics is added, the nitrogen utilization rate is increased by 20%-50%, the phosphorus utilization rate is increased by 15%-25%, and the amount of potassium absorbed by plants is increased by 1.5 times or above.
Description
Technical field
The present invention relates to fertilizer preparing technical field, specifically a kind of N P and K high-concentration compound fertilizer and preparation method thereof.
Background technology
Along with the most agriculture high speed development and the demand of agricultural materials market, the compound fertilizer of low concentration does not the most adapt to modern agriculture and sends out
The demand of exhibition, peasant is with greater need for the various composite fertilizer specials for different crops and high-concentration compound fertilizer.Therefore, high concentration
Compound fertilizer has obtained high speed development, but, in low concentration compound fertilizer while high-concentration compound fertilizer develops, bring therewith
Fertilizer agglomeration problem is more serious, after high-concentration compound fertilizer caking, the utilization rate of fertilizer is substantially reduced.And, existing
High-concentration compound fertilizer is mostly in acidity, and chronic administration can cause soil acidification to harden, and soil fertility declines to a great extent, and has a strong impact on
Nitrogen, phosphorus, the utilization rate of the utilization rate of potassium, particularly phosphorus, promote crop quality to decline.
Summary of the invention
It is an object of the invention to provide a kind of hygroscopicity is big, strengthen soil fertility N P and K high-concentration compound fertilizer and preparation thereof
Method, with the problem solving to propose in above-mentioned background technology.
For achieving the above object, the present invention provides following technical scheme:
A kind of N P and K high-concentration compound fertilizer, includes according to the raw material of weight portion: carbamide 60-80 part, coal coal humic acid 30-40
Part, potassium chloride 20-30 part, potassium sulfate 30-40 part, ammonium chloride 10-20 part, ammonium hydrogen carbonate 20-30 part, calcium superphosphate
10-15 part, MAP 10-20 part, bentonite 3-5 part, calcium carbonate 3-5 part, Kaolin 4-6 part, yellow humic acid 10-20
Part, hymatomalenic acid 10-15 part, aminoacid 3-5 part, plants probiotics 1-2 part, initiator 2-4 part, polymerization catalyst
4-6 part.
As the further scheme of the present invention: described N P and K high-concentration compound fertilizer, include according to the raw material of weight portion: carbamide
65-75 part, coal coal humic acid 32-38 part, potassium chloride 22-28 part, potassium sulfate 32-38 part, ammonium chloride 12-18 part,
Ammonium hydrogen carbonate 22-28 part, calcium superphosphate 11-14 part, MAP 12-18 part, bentonite 3.5-4.5 part, calcium carbonate 3.5-4.5
Part, Kaolin 4.5-5.5 part, yellow humic acid 12-18 part, hymatomalenic acid 11-14 part, aminoacid 3.5-4.5 part, plant benefit
Raw bacterium 1.2-1.8 part, initiator 2.5-3.5 part, polymerization catalyst 4.5-5.5 part.
As the further scheme of the present invention: described N P and K high-concentration compound fertilizer, include according to the raw material of weight portion: carbamide
70 parts, coal coal humic acid 35 parts, 25 parts of potassium chloride, potassium sulfate 35 parts, ammonium chloride 15 parts, ammonium hydrogen carbonate 25 parts,
Calcium superphosphate 12 parts, MAP 15 parts, bentonite 4 parts, calcium carbonate 4 parts, Kaolin 5 parts, yellow humic acid 15
Part, hymatomalenic acid 12 parts, 4 parts of aminoacid, plants probiotics 1.5 parts, initiator 3 parts, polymerization catalyst 5 parts.
As the further scheme of the present invention: described initiator is Ammonium persulfate..
As the further scheme of the present invention: described polymerization catalyst is sulfamic acid.
As the present invention further scheme: described plants probiotics is fixed nitrogen series bacillus, Bacillus licheniformis or withered
The shady spore bacillus of grass.
The preparation method of described N P and K high-concentration compound fertilizer, specifically comprises the following steps that
(1) each raw material is weighed according to weight portion；
(2) Huang humic acid, hymatomalenic acid and aminoacid mix homogeneously are obtained organic coated liquid standby；
(3) by carbamide, coal coal humic acid, potassium chloride, potassium sulfate, ammonium chloride, ammonium hydrogen carbonate, calcium superphosphate, phosphorus
Acid one ammonium, bentonite, calcium carbonate and Kaolin are sent into raw material hopper after crushing and put into dissolving tank, add 400-600
The water of part, heats with the steam pipe coil within dissolving tank, and temperature controls at 80-120 DEG C；Slurry still adds and causes
Agent Ammonium persulfate., after initiator adds 5-7min, adds polymerization catalyst sulfamic acid；
(4) material in dissolving tank and slurry still is all sent into comminutor, under digital control system control, spray into the urine of set amount
Slurry, sprays into steam simultaneously, and the liquid-solid ratio controlling its gross mass is 1.25-1.3:1, reunion granulating under the rotation of rotating hub comminutor,
Then delivered to be dried by belt conveyer；
(5) after the first dry kiln baking 10-20min sent into by comminutor granulation material out, belt conveyor send again
Enter the second dry kiln, carry out redrying；Intake air temperature 110-130 DEG C of the first dry kiln, outlet temperature is 50-60 DEG C,
The moisture of outlet material is 1-1.5%, and the intake air temperature of the second dry kiln is 60-80 DEG C, and the moisture of outlet material is 1-1.2%；
(6) sequentially entering twice cooling kiln continuous coo1ing from the second dry kiln material out, material cools down in cooling kiln
Time is 30-40min, and after second time cooling, temperature of charge is 5-15 DEG C, obtains compound fertilizer's semi-finished product after having cooled down；
(7) compound fertilizer's semi-finished product, organic coated liquid and plants probiotics are all sent into coating machine carries out peplos, oil groove temperature
Degree controls at 70-90 DEG C, and after peplos, face powder polishes and delivers to automatic packaging machine and packs, and obtains finished product.
Compared with prior art, the invention has the beneficial effects as follows:
Nutrient content of the present invention is high, accessory ingredient is few, and physical behavior is good, uses reasonably combined, scientific matching so that fertile
The concentration of material increases, and component increases, and hygroscopicity increases, it is possible to improve fertilizer agglomeration problem, improves utilization rate of fertilizer, strengthens
Soil fertility, improves the quality of crops, improves yield, makes nitrogen use efficiency improve 20-50 after adding plants probiotics
Percentage point, phosphorus utilization improves 15-25 percentage point, and plant K uptake improves more than 1.5 times.
Detailed description of the invention
Below in conjunction with detailed description of the invention, the technical scheme of this patent is described in more detail.
Embodiment 1
A kind of N P and K high-concentration compound fertilizer, includes according to the raw material of weight portion: 60 parts of carbamide, coal coal humic acid 30 parts,
20 parts of potassium chloride, potassium sulfate 30 parts, ammonium chloride 10 parts, ammonium hydrogen carbonate 20 parts, calcium superphosphate 10 parts, MAP
10 parts, bentonite 3 parts, calcium carbonate 3 parts, Kaolin 4 parts, yellow humic acid 10 parts, hymatomalenic acid 10 parts, aminoacid
3 parts, plants probiotics 1 part, Ammonium persulfate. 2 parts, sulfamic acid 4 parts；Described plants probiotics is fixed nitrogen class spore bar
Bacterium, Bacillus licheniformis or hay shade spore bacillus.
The preparation method of described N P and K high-concentration compound fertilizer, specifically comprises the following steps that
(1) each raw material is weighed according to weight portion；
(2) Huang humic acid, hymatomalenic acid and aminoacid mix homogeneously are obtained organic coated liquid standby；
(3) by carbamide, coal coal humic acid, potassium chloride, potassium sulfate, ammonium chloride, ammonium hydrogen carbonate, calcium superphosphate, phosphorus
Acid one ammonium, bentonite, calcium carbonate and Kaolin are sent into raw material hopper after crushing and put into dissolving tank, add 400 parts
Water, heats with the steam pipe coil within dissolving tank, and temperature controls at 80 DEG C；Initiator persulfuric acid is added in slurry still
Ammonium, after initiator adds 5min, adds polymerization catalyst sulfamic acid；
(4) material in dissolving tank and slurry still is all sent into comminutor, under digital control system control, spray into the urine of set amount
Slurry, sprays into steam simultaneously, keeps the skin wet and heat, make material reach suitable liquid-solid ratio, control the liquid-solid ratio of its gross mass
For 1.25:1, reunion granulating under the rotation of rotating hub comminutor, then delivered to be dried by belt conveyer；
(5) after the first dry kiln baking 10min sent into by comminutor granulation material out, belt conveyor it is re-fed into
Second dry kiln, carries out redrying；The intake air temperature of the first dry kiln 110 DEG C, outlet temperature is 50 DEG C, outlet material
Moisture be 1%, the intake air temperature of the second dry kiln is 60 DEG C, and the moisture of outlet material is 1%；
(6) sequentially entering twice cooling kiln continuous coo1ing from the second dry kiln material out, material cools down in cooling kiln
Time is 30min, and after second time cooling, temperature of charge is 5 DEG C, obtains compound fertilizer's semi-finished product after having cooled down；
(7) compound fertilizer's semi-finished product, organic coated liquid and plants probiotics are all sent into coating machine carries out peplos, oil groove temperature
Degree controls at 70 DEG C, and after peplos, face powder polishes and delivers to automatic packaging machine and packs, and obtains finished product.
Embodiment 2
A kind of N P and K high-concentration compound fertilizer, includes according to the raw material of weight portion: 65 parts of carbamide, coal coal humic acid 32 parts,
22 parts of potassium chloride, potassium sulfate 32 parts, ammonium chloride 12 parts, ammonium hydrogen carbonate 22 parts, calcium superphosphate 11 parts, MAP
12 parts, bentonite 3.5 parts, calcium carbonate 3.5 parts, Kaolin 4.5 parts, yellow humic acid 12 parts, hymatomalenic acid 11 parts,
3.5 parts of aminoacid, plants probiotics 1.2 parts, Ammonium persulfate. 2.5 parts, sulfamic acid 4.5 parts；Described plants probiotics is
Fixed nitrogen series bacillus, Bacillus licheniformis or hay shade spore bacillus.
The preparation method of described N P and K high-concentration compound fertilizer, specifically comprises the following steps that
(1) each raw material is weighed according to weight portion；
(2) Huang humic acid, hymatomalenic acid and aminoacid mix homogeneously are obtained organic coated liquid standby；
(3) by carbamide, coal coal humic acid, potassium chloride, potassium sulfate, ammonium chloride, ammonium hydrogen carbonate, calcium superphosphate, phosphorus
Acid one ammonium, bentonite, calcium carbonate and Kaolin are sent into raw material hopper after crushing and put into dissolving tank, add 450 parts
Water, heats with the steam pipe coil within dissolving tank, and temperature controls at 90 DEG C；Initiator persulfuric acid is added in slurry still
Ammonium, after initiator adds 5.5min, adds polymerization catalyst sulfamic acid；
(4) material in dissolving tank and slurry still is all sent into comminutor, under digital control system control, spray into the urine of set amount
Slurry, sprays into steam simultaneously, keeps the skin wet and heat, make material reach suitable liquid-solid ratio, control the liquid-solid ratio of its gross mass
For 1.26:1, reunion granulating under the rotation of rotating hub comminutor, then delivered to be dried by belt conveyer；
(5) after the first dry kiln baking 12min sent into by comminutor granulation material out, belt conveyor it is re-fed into
Second dry kiln, carries out redrying；The intake air temperature of the first dry kiln 115 DEG C, outlet temperature is 52 DEG C, outlet material
Moisture be 1.1%, the intake air temperature of the second dry kiln is 65 DEG C, and the moisture of outlet material is 1.05%；
(6) sequentially entering twice cooling kiln continuous coo1ing from the second dry kiln material out, material cools down in cooling kiln
Time is 32min, and after second time cooling, temperature of charge is 8 DEG C, obtains compound fertilizer's semi-finished product after having cooled down；
(7) compound fertilizer's semi-finished product, organic coated liquid and plants probiotics are all sent into coating machine carries out peplos, oil groove temperature
Degree controls at 75 DEG C, and after peplos, face powder polishes and delivers to automatic packaging machine and packs, and obtains finished product.
Embodiment 3
A kind of N P and K high-concentration compound fertilizer, includes according to the raw material of weight portion: 70 parts of carbamide, coal coal humic acid 35 parts,
25 parts of potassium chloride, potassium sulfate 35 parts, ammonium chloride 15 parts, ammonium hydrogen carbonate 25 parts, calcium superphosphate 12 parts, MAP
15 parts, bentonite 4 parts, calcium carbonate 4 parts, Kaolin 5 parts, yellow humic acid 15 parts, hymatomalenic acid 12 parts, aminoacid
4 parts, plants probiotics 1.5 parts, Ammonium persulfate. 3 parts, sulfamic acid 5 parts；Described plants probiotics is fixed nitrogen class spore
Bacillus, Bacillus licheniformis or hay shade spore bacillus.
The preparation method of described N P and K high-concentration compound fertilizer, specifically comprises the following steps that
(1) each raw material is weighed according to weight portion；
(2) Huang humic acid, hymatomalenic acid and aminoacid mix homogeneously are obtained organic coated liquid standby；
(3) by carbamide, coal coal humic acid, potassium chloride, potassium sulfate, ammonium chloride, ammonium hydrogen carbonate, calcium superphosphate, phosphorus
Acid one ammonium, bentonite, calcium carbonate and Kaolin are sent into raw material hopper after crushing and put into dissolving tank, add 500 parts
Water, heats with the steam pipe coil within dissolving tank, and temperature controls at 100 DEG C；Initiator over cure is added in slurry still
Acid ammonium, after initiator adds 6min, adds polymerization catalyst sulfamic acid；
(4) material in dissolving tank and slurry still is all sent into comminutor, under digital control system control, spray into the urine of set amount
Slurry, sprays into steam simultaneously, keeps the skin wet and heat, make material reach suitable liquid-solid ratio, control the liquid-solid ratio of its gross mass
For 1.28:1, reunion granulating under the rotation of rotating hub comminutor, then delivered to be dried by belt conveyer；
(5) after the first dry kiln baking 15min sent into by comminutor granulation material out, belt conveyor it is re-fed into
Second dry kiln, carries out redrying；The intake air temperature of the first dry kiln 120 DEG C, outlet temperature is 55 DEG C, outlet material
Moisture be 1.2%, the intake air temperature of the second dry kiln is 70 DEG C, and the moisture of outlet material is 1.1%；
(6) sequentially entering twice cooling kiln continuous coo1ing from the second dry kiln material out, material cools down in cooling kiln
Time is 35min, and after second time cooling, temperature of charge is 10 DEG C, obtains compound fertilizer's semi-finished product after having cooled down；
(7) compound fertilizer's semi-finished product, organic coated liquid and plants probiotics are all sent into coating machine carries out peplos, oil groove temperature
Degree controls at 80 DEG C, and after peplos, face powder polishes and delivers to automatic packaging machine and packs, and obtains finished product.
Embodiment 4
A kind of N P and K high-concentration compound fertilizer, includes according to the raw material of weight portion: 75 parts of carbamide, coal coal humic acid 38 parts,
28 parts of potassium chloride, potassium sulfate 38 parts, ammonium chloride 18 parts, ammonium hydrogen carbonate 28 parts, calcium superphosphate 14 parts, MAP
18 parts, bentonite 4.5 parts, calcium carbonate 4.5 parts, Kaolin 5.5 parts, yellow humic acid 18 parts, hymatomalenic acid 14 parts,
4.5 parts of aminoacid, plants probiotics 1.8 parts, Ammonium persulfate. 3.5 parts, sulfamic acid 5.5 parts；Described plants probiotics is
Fixed nitrogen series bacillus, Bacillus licheniformis or hay shade spore bacillus.
The preparation method of described N P and K high-concentration compound fertilizer, specifically comprises the following steps that
(1) each raw material is weighed according to weight portion；
(2) Huang humic acid, hymatomalenic acid and aminoacid mix homogeneously are obtained organic coated liquid standby；
(3) by carbamide, coal coal humic acid, potassium chloride, potassium sulfate, ammonium chloride, ammonium hydrogen carbonate, calcium superphosphate, phosphorus
Acid one ammonium, bentonite, calcium carbonate and Kaolin are sent into raw material hopper after crushing and put into dissolving tank, add 550 parts
Water, heats with the steam pipe coil within dissolving tank, and temperature controls at 110 DEG C；Initiator over cure is added in slurry still
Acid ammonium, after initiator adds 6.5min, adds polymerization catalyst sulfamic acid；
(4) material in dissolving tank and slurry still is all sent into comminutor, under digital control system control, spray into the urine of set amount
Slurry, sprays into steam simultaneously, keeps the skin wet and heat, make material reach suitable liquid-solid ratio, control the liquid-solid ratio of its gross mass
For 1.29:1, reunion granulating under the rotation of rotating hub comminutor, then delivered to be dried by belt conveyer；
(5) after the first dry kiln baking 18min sent into by comminutor granulation material out, belt conveyor it is re-fed into
Second dry kiln, carries out redrying；The intake air temperature of the first dry kiln 125 DEG C, outlet temperature is 58 DEG C, outlet material
Moisture be 1.4%, the intake air temperature of the second dry kiln is 75 DEG C, and the moisture of outlet material is 1.15%；
(6) sequentially entering twice cooling kiln continuous coo1ing from the second dry kiln material out, material cools down in cooling kiln
Time is 38min, and after second time cooling, temperature of charge is 12 DEG C, obtains compound fertilizer's semi-finished product after having cooled down；
(7) compound fertilizer's semi-finished product, organic coated liquid and plants probiotics are all sent into coating machine carries out peplos, oil groove temperature
Degree controls at 85 DEG C, and after peplos, face powder polishes and delivers to automatic packaging machine and packs, and obtains finished product.
Embodiment 5
A kind of N P and K high-concentration compound fertilizer, includes according to the raw material of weight portion: 80 parts of carbamide, coal coal humic acid 40 parts,
30 parts of potassium chloride, potassium sulfate 40 parts, ammonium chloride 20 parts, ammonium hydrogen carbonate 30 parts, calcium superphosphate 15 parts, MAP
20 parts, bentonite 5 parts, calcium carbonate 5 parts, Kaolin 6 parts, yellow humic acid 20 parts, hymatomalenic acid 15 parts, aminoacid
5 parts, plants probiotics 2 parts, Ammonium persulfate. 4 parts, sulfamic acid 6 parts；Described plants probiotics is fixed nitrogen class spore bar
Bacterium, Bacillus licheniformis or hay shade spore bacillus.
The preparation method of described N P and K high-concentration compound fertilizer, specifically comprises the following steps that
(1) each raw material is weighed according to weight portion；
(2) Huang humic acid, hymatomalenic acid and aminoacid mix homogeneously are obtained organic coated liquid standby；
(3) by carbamide, coal coal humic acid, potassium chloride, potassium sulfate, ammonium chloride, ammonium hydrogen carbonate, calcium superphosphate, phosphorus
Acid one ammonium, bentonite, calcium carbonate and Kaolin are sent into raw material hopper after crushing and put into dissolving tank, add 600 parts
Water, heats with the steam pipe coil within dissolving tank, and temperature controls at 120 DEG C；Initiator over cure is added in slurry still
Acid ammonium, after initiator adds 7min, adds polymerization catalyst sulfamic acid；
(4) material in dissolving tank and slurry still is all sent into comminutor, under digital control system control, spray into the urine of set amount
Slurry, sprays into steam simultaneously, keeps the skin wet and heat, make material reach suitable liquid-solid ratio, control the liquid-solid ratio of its gross mass
For 1.3:1, reunion granulating under the rotation of rotating hub comminutor, then delivered to be dried by belt conveyer；
(5) after the first dry kiln baking 20min sent into by comminutor granulation material out, belt conveyor it is re-fed into
Second dry kiln, carries out redrying；The intake air temperature of the first dry kiln 130 DEG C, outlet temperature is 60 DEG C, outlet material
Moisture be 1.5%, the intake air temperature of the second dry kiln is 80 DEG C, and the moisture of outlet material is 1.2%；
(6) sequentially entering twice cooling kiln continuous coo1ing from the second dry kiln material out, material cools down in cooling kiln
Time is 40min, and after second time cooling, temperature of charge is 15 DEG C, obtains compound fertilizer's semi-finished product after having cooled down；
(7) compound fertilizer's semi-finished product, organic coated liquid and plants probiotics are all sent into coating machine carries out peplos, oil groove temperature
Degree controls at 90 DEG C, and after peplos, face powder polishes and delivers to automatic packaging machine and packs, and obtains finished product.
Nutrient content of the present invention is high, accessory ingredient is few, and physical behavior is good, uses reasonably combined, scientific matching so that fertile
The concentration of material increases, and component increases, and hygroscopicity increases, it is possible to improve fertilizer agglomeration problem, improves utilization rate of fertilizer, strengthens
Soil fertility, improves the quality of crops, improves yield, makes nitrogen use efficiency improve 20-50 after adding plants probiotics
Percentage point, phosphorus utilization improves 15-25 percentage point, and plant K uptake improves more than 1.5 times.
Above the better embodiment of this patent is explained in detail, but this patent is not limited to above-mentioned embodiment,
In the ken that those of ordinary skill in the art is possessed, it is also possible to make each on the premise of without departing from this patent objective
Plant change.
Claims (7)
1. a N P and K high-concentration compound fertilizer, it is characterised in that include according to the raw material of weight portion: carbamide 60-80 part,
Coal coal humic acid 30-40 part, potassium chloride 20-30 part, potassium sulfate 30-40 part, ammonium chloride 10-20 part, ammonium hydrogen carbonate
20-30 part, calcium superphosphate 10-15 part, MAP 10-20 part, bentonite 3-5 part, calcium carbonate 3-5 part, Kaolin
4-6 part, yellow humic acid 10-20 part, hymatomalenic acid 10-15 part, aminoacid 3-5 part, plants probiotics 1-2 part, initiation
Agent 2-4 part, polymerization catalyst 4-6 part.
N P and K high-concentration compound fertilizer the most according to claim 1, it is characterised in that include according to the raw material of weight portion:
Carbamide 65-75 part, coal coal humic acid 32-38 part, potassium chloride 22-28 part, potassium sulfate 32-38 part, ammonium chloride 12-18
Part, ammonium hydrogen carbonate 22-28 part, calcium superphosphate 11-14 part, MAP 12-18 part, bentonite 3.5-4.5 part, carbonic acid
Calcium 3.5-4.5 part, Kaolin 4.5-5.5 part, yellow humic acid 12-18 part, hymatomalenic acid 11-14 part, aminoacid 3.5-4.5
Part, plants probiotics 1.2-1.8 part, initiator 2.5-3.5 part, polymerization catalyst 4.5-5.5 part.
N P and K high-concentration compound fertilizer the most according to claim 1, it is characterised in that include according to the raw material of weight portion:
70 parts of carbamide, coal coal humic acid 35 parts, 25 parts of potassium chloride, potassium sulfate 35 parts, ammonium chloride 15 parts, ammonium hydrogen carbonate
25 parts, calcium superphosphate 12 parts, MAP 15 parts, bentonite 4 parts, calcium carbonate 4 parts, Kaolin 5 parts, yellow humic grow
Acid 15 parts, hymatomalenic acid 12 parts, 4 parts of aminoacid, plants probiotics 1.5 parts, initiator 3 parts, polymerization catalyst 5
Part.
4. according to the arbitrary described N P and K high-concentration compound fertilizer of claim 1-3, it is characterised in that described initiator was
Ammonium sulfate.
5. according to the arbitrary described N P and K high-concentration compound fertilizer of claim 1-3, it is characterised in that described polymerization catalyst
For sulfamic acid.
6. according to the arbitrary described N P and K high-concentration compound fertilizer of claim 1-3, it is characterised in that described plants probiotics
For fixed nitrogen series bacillus, Bacillus licheniformis or hay shade spore bacillus.
7. the preparation method of the N P and K high-concentration compound fertilizer as described in claim 1-3 is arbitrary, it is characterised in that tool
Body step is as follows:
(1) each raw material is weighed according to weight portion；
(2) Huang humic acid, hymatomalenic acid and aminoacid mix homogeneously are obtained organic coated liquid standby；
(3) by carbamide, coal coal humic acid, potassium chloride, potassium sulfate, ammonium chloride, ammonium hydrogen carbonate, calcium superphosphate, phosphorus
Acid one ammonium, bentonite, calcium carbonate and Kaolin are sent into raw material hopper after crushing and put into dissolving tank, add 400-600
The water of part, heats with the steam pipe coil within dissolving tank, and temperature controls at 80-120 DEG C；Slurry still adds and causes
Agent Ammonium persulfate., after initiator adds 5-7min, adds polymerization catalyst sulfamic acid；
(4) material in dissolving tank and slurry still is all sent into comminutor, under digital control system control, spray into the urine of set amount
Slurry, sprays into steam simultaneously, and the liquid-solid ratio controlling its gross mass is 1.25-1.3:1, reunion granulating under the rotation of rotating hub comminutor,
Then delivered to be dried by belt conveyer；
(5) after the first dry kiln baking 10-20min sent into by comminutor granulation material out, belt conveyor send again
Enter the second dry kiln, carry out redrying；Intake air temperature 110-130 DEG C of the first dry kiln, outlet temperature is 50-60 DEG C,
The moisture of outlet material is 1-1.5%, and the intake air temperature of the second dry kiln is 60-80 DEG C, and the moisture of outlet material is 1-1.2%；
(6) sequentially entering twice cooling kiln continuous coo1ing from the second dry kiln material out, material cools down in cooling kiln
Time is 30-40min, and after second time cooling, temperature of charge is 5-15 DEG C, obtains compound fertilizer's semi-finished product after having cooled down；
(7) compound fertilizer's semi-finished product, organic coated liquid and plants probiotics are all sent into coating machine carries out peplos, oil groove temperature
Degree controls at 70-90 DEG C, and after peplos, face powder polishes and delivers to automatic packaging machine and packs, and obtains finished product.
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108059537A (en) * | 2017-12-29 | 2018-05-22 | 广东拉多美化肥有限公司 | A kind of coated compound fertilizer |
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| CN108059537A (en) * | 2017-12-29 | 2018-05-22 | 广东拉多美化肥有限公司 | A kind of coated compound fertilizer |
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