CN108424287A - A kind of ammonium sulfate nitrogenous fertilizer and preparation method thereof - Google Patents
A kind of ammonium sulfate nitrogenous fertilizer and preparation method thereof Download PDFInfo
- Publication number
- CN108424287A CN108424287A CN201810549039.7A CN201810549039A CN108424287A CN 108424287 A CN108424287 A CN 108424287A CN 201810549039 A CN201810549039 A CN 201810549039A CN 108424287 A CN108424287 A CN 108424287A
- Authority
- CN
- China
- Prior art keywords
- ammonium sulfate
- nitrogenous fertilizer
- preparation
- urea
- sulfate nitrogenous
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Pending
Links
Classifications
-
- C—CHEMISTRY; METALLURGY
- C05—FERTILISERS; MANUFACTURE THEREOF
- C05C—NITROGENOUS FERTILISERS
- C05C9/00—Fertilisers containing urea or urea compounds
-
- C—CHEMISTRY; METALLURGY
- C05—FERTILISERS; MANUFACTURE THEREOF
- C05G—MIXTURES OF FERTILISERS COVERED INDIVIDUALLY BY DIFFERENT SUBCLASSES OF CLASS C05; MIXTURES OF ONE OR MORE FERTILISERS WITH MATERIALS NOT HAVING A SPECIFIC FERTILISING ACTIVITY, e.g. PESTICIDES, SOIL-CONDITIONERS, WETTING AGENTS; FERTILISERS CHARACTERISED BY THEIR FORM
- C05G3/00—Mixtures of one or more fertilisers with additives not having a specially fertilising activity
-
- 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
- C05G3/60—Biocides or preservatives, e.g. disinfectants, pesticides or herbicides; Pest repellants or attractants
-
- 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
Landscapes
- Life Sciences & Earth Sciences (AREA)
- Pest Control & Pesticides (AREA)
- Chemical & Material Sciences (AREA)
- Organic Chemistry (AREA)
- Plant Pathology (AREA)
- Soil Sciences (AREA)
- Fertilizers (AREA)
Abstract
The invention discloses a kind of ammonium sulfate nitrogenous fertilizer and preparation method thereof, and preparation method is：Ammonium sulfate, urea, Cosan, chelating agent and medical stone are mixed, crushes, obtains crushed material；Urea, sulfuric acid and water are mixed, ureasulfuric acid Synthesis liquid is obtained；Ureasulfuric acid Synthesis liquid is sprayed in comminutor, and is granulated with crushed material mixing, granules are obtained；Heating, drying is carried out to granules, primary cooling, screening, secondary cooling, screening, coating to get.The ammonium sulfate nitrogenous fertilizer granularity is 1.5 3mm, granulating rate is 75 85%, granule strength is 16 22N, its total nitrogen, sulfur content comply with the national standard requirements, nitrogen utilization efficiency is more than 50% or more in agricultural land soil application, and crops dramatically increase instead in reduction ammonium sulfate nitrogen fertilizing amount yield；And its physical property and chemical property are safer, nuisanceless, long-time service will not cause soil acidification, will not more cause soil hardening.
Description
Technical field
The present invention relates to composite particles chemical fertilizer and preparation method thereof technical fields, and in particular to a kind of ammonium sulfate
Nitrogenous fertilizer and preparation method thereof.
Background technology
Modern agriculture advocates mechanized application, the fertilising of science harmony and Tree Precise Fertilization, volume increase fertilising, environmental protection fertilising.It passes
There are many defects and side effect, prestige in farmland use aspect and application aspect for the ammonium sulfate of system, urine amide state urea nitrogenous fertilizer etc.
Coerce crops healthy growth.If traditional ammonium sulfate is mostly based on industrial by-products (coking), with powdered or crystallization volume morphing
Based on, directly apply on farmland there are it is inconvenient to use, waste, not environmentally the defects of, in addition be used for a long time be easy to cause soil
Earth is acidified, and causes soil hardening.It urinates amide state urea nitrogenous fertilizer that there are leachings is strong, volatility is big in agricultural land soil application etc. and lack
It falls into, causes nitrogenous fertilizer this season utilization rate in farmland and crops application low, utilization rate is about 30%~40%.
A kind of production process for ammonium sulfate granules is disclosed in the CN102503590A of Shanxi Normal University's application, i.e., in stock chest
The polyformaldehyde solution that middle configuration volume fraction is 10%--20% is original with ammonium sulfate, urea, land plaster etc. as binder
Material, finished particle is obtained by technological processes such as drum granulating, drying, cooling, screenings；The technique is disadvantageous in that polyformaldehyde
The double gender identity of material itself is binder, hard plastic agent as granulation of fertilizer, and secondary pollution has been used as agriculture crop field；
It is binder as granulation of fertilizer that another material gypsum itself, which also has double gender identity, is used as agriculture archangel
Having leads to the risk of soil moisture consumption and soil hardening.
A kind of pair rolls cold pressing particle containing urea ammonium sulfate is disclosed in the CN 138027 of Gong Guangyan applications；The technique is not
Foot place is that sulfur content is insufficient in ammonium sulphate content and product acidity is unfavorable for crops by force and utilizes.The CN of Wang Shaodong applications
It is disclosed in No. 101570455A and a kind of preparing ammonium sulfate with organic-inorganic binder；The technique, which is disadvantageous in that, utilizes steaming
Vapour is granulated and inorganic material is as binder, and granulation cost is higher.A kind of knot is disclosed in the CN 1051711A of Japanese publication
The method that crystallization prepares ammonium sulfate；The technique is disadvantageous in that requirement is made on the basis of caprolactam production technology
Grain, practicability be not strong, it is difficult to accomplish scale production.
Invention content
For problems of the prior art, the purpose of the present invention is to provide a kind of ammonium sulfate nitrogenous fertilizer and its systems
Preparation Method, the ammonium sulfate nitrogenous fertilizer granularity are 1.5-3mm, granulating rate 75-85%, granule strength 16-22N, total
Nitrogen, sulfur content comply with the national standard requirements, and nitrogen utilization efficiency is more than 50% or more in agricultural land soil application, and crops are being reduced
Yield dramatically increases instead in the case of ammonium sulfate nitrogen fertilizing amount；And its physical property and chemical property are safer, no public affairs
Evil, long-time service will not cause soil acidification, will not more cause soil hardening, preparation method it is simple, it can be achieved that scale, batch
Quantization production.
In order to achieve the above object, the present invention is achieved by the following scheme.
(1) a kind of ammonium sulfate nitrogenous fertilizer, including following raw material：Ammonium sulfate, urea, Cosan, chelating agent, medical stone,
Sulfuric acid and water.
Preferably, the granularity of the ammonium sulfate nitrogenous fertilizer is 1.5-3mm.
Preferably, the chelating agent is one or more in calcium hydroxide, calcium chloride or calcium oxide.
Preferably, the dosage of the raw material is 700-750 parts of ammonium sulfate, 125-150 parts of urea, 75-80 parts of Cosan, chela
10-15 parts of 20-25 parts of mixture, 20-25 parts of medical stone, 10-15 parts of sulfuric acid and water.
(2) a kind of preparation method of ammonium sulfate nitrogenous fertilizer, including following preparation process：
Step 1, ammonium sulfate, urea, Cosan, chelating agent and medical stone are mixed, crushes, obtains crushed material；
Step 2, urea, sulfuric acid and water are mixed, obtains ureasulfuric acid Synthesis liquid；
Step 3, the ureasulfuric acid Synthesis liquid is sprayed in comminutor, and is granulated with crushed material mixing, obtained
Granules；
Step 4, heating, drying is carried out to the granules, primary cooling, screening, secondary cooling, screening, coating to get.
Preferably, in step 1, the mesh number 100-200 mesh of the crushed material.
Preferably, in step 4, the temperature of the heating, drying is 160-180 DEG C, and the time of heating, drying is 20-
24min。
Preferably, described once to be cooled to be cooled to 30-35 DEG C in step 4.
Preferably, in step 4, the secondary cooling is to be cooled to 25-30 DEG C.
Preferably, in step 4, the aperture of the screening is 1.35-4.75mm.
Compared with prior art, beneficial effects of the present invention are：
The ammonium sulfate nitrogenous fertilizer technical indicator of gained of the invention meets the technical indicator of standard GB/T 535-1995,
Nitrogen utilization efficiency is more than 50% or more in agricultural land soil application, and crops produce in reduction ammonium sulfate nitrogen fertilizing amount
Amount dramatically increases instead；And its physical property and chemical property are safer, nuisanceless, long-time service will not cause soil acidification,
Soil hardening will not more be caused, can more convert and using beneficial, the effective element substance in soil, realize crops to nitrogenous fertilizer
Efficient utilization.Can effective prevention and control Farmland Soil Pollution, prevention and control soil pests and harmful bacteria, the environment and its work of soil protection
Object grows safety, while having effects that field application is retained and soil degerming removes ovum effect.The preparation of ammonium sulfate nitrogenous fertilizer
Using primary cooling, screening, secondary cooling, sieving technology in method so that the color and luster of final ammonium sulfate nitrogenous fertilizer obtained
More uniformly, grain size is more consistent, granule strength higher, and the property of product is more stablized.
Specific implementation mode
Embodiment of the present invention is described in detail below in conjunction with embodiment, but those skilled in the art will
It will be appreciated that the following example is merely to illustrate the present invention, and it is not construed as limiting the scope of the invention.
Embodiment 1
A kind of preparation method of ammonium sulfate nitrogenous fertilizer, including following preparation process：
Step 1, by 750kg ammonium sulfate, 75kg urea, 75kg Cosans, 25kg calcium hydroxides chelating agent and 25kg wheat meals
Stone mixes, and is crushed in vertical crusher, obtains the crushed material of 150 mesh.
Step 2,50kg urea is dissolved in 12.5kg sulfuric acid and 12.5kg water, obtains ureasulfuric acid Synthesis liquid.
Step 2, after crushed material being put into drum granulating production system by the election weighing system of compound fertilizer production technology,
Ureasulfuric acid Synthesis liquid is sprayed to drum granulating production system simultaneously, so that crushed material and ureasulfuric acid Synthesis liquid is mixed and carries out physically
It is granulated with chemical combination formula, obtains granules.
Step 2, granules are dried into 22min under the conditions of 170 DEG C, then carries out once being cooled to 32.5 DEG C, crosses 1.35-
4.75mm sieve pores sieve, then carry out secondary cooling to 27.5 DEG C, are sieved after 1.35-4.75mm sieve pores, and applying powder by coating is
After system, eventually by electronic measurement packaging system realize finished product to get.
Embodiment 2
A kind of preparation method of ammonium sulfate nitrogenous fertilizer, including following preparation process：
Step 1, by 750kg ammonium sulfate, 75kg urea, 75kg Cosans, 25kg chlorinations calcium chelating agent and 25kg medical stones
Mixing, crushes in vertical crusher, obtains the crushed material of 100 mesh.
Step 2,50kg urea is dissolved in 12.5kg sulfuric acid and 12.5 water, obtains ureasulfuric acid Synthesis liquid.
Step 2, after crushed material being put into drum granulating production system by the election weighing system of compound fertilizer production technology,
Ureasulfuric acid Synthesis liquid is sprayed to drum granulating production system simultaneously, so that crushed material and ureasulfuric acid Synthesis liquid is mixed and carries out physically
It is granulated with chemical combination formula, obtains granules.
Step 2, granules are dried into 20min under the conditions of 180 DEG C, then carries out once being cooled to 30 DEG C, crosses 1.35-
4.75mm sieve pores sieve, then carry out secondary cooling to 25 DEG C, are sieved after 1.35-4.75mm sieve pores, by coating face powder system
Afterwards, eventually by electronic measurement packaging system realize finished product to get.
Embodiment 3
A kind of preparation method of ammonium sulfate nitrogenous fertilizer, including following preparation process：
Step 1, by 750kg ammonium sulfate, 75kg urea, 75kg Cosans, 25kg oxidation calcium chelating agents and 25kg medical stones
Mixing, crushes in vertical crusher, obtains the crushed material of 200 mesh.
Step 2,50kg urea is dissolved in 12.5kg sulfuric acid and 12.5kg water, obtains ureasulfuric acid Synthesis liquid.
Step 2, after crushed material being put into drum granulating production system by the election weighing system of compound fertilizer production technology,
Ureasulfuric acid Synthesis liquid is sprayed to drum granulating production system simultaneously, so that crushed material and ureasulfuric acid Synthesis liquid is mixed and carries out physically
It is granulated with chemical combination formula, obtains granules.
Step 2, granules are dried into 24min under the conditions of 160 DEG C, then carries out once being cooled to 35 DEG C, crosses 1.35-
4.75mm sieve pores sieve, then carry out secondary cooling to 30 DEG C, are sieved after 1.35-4.75mm sieve pores, by coating face powder system
Afterwards, eventually by electronic measurement packaging system realize finished product to get.
Embodiment 4
A kind of preparation method of ammonium sulfate nitrogenous fertilizer, including following preparation process：
Step 1, by 700kg ammonium sulfate, 95kg urea, 80kg Cosans, 20kg oxidation calcium chelating agents and 20kg medical stones
Mixing, crushes in vertical crusher, obtains the crushed material of 200 mesh.
Step 2,40kg urea is dissolved in 10kg sulfuric acid and 10kg water, obtains ureasulfuric acid Synthesis liquid.
Step 2, after crushed material being put into drum granulating production system by the election weighing system of compound fertilizer production technology,
Ureasulfuric acid Synthesis liquid is sprayed to drum granulating production system simultaneously, so that crushed material and ureasulfuric acid Synthesis liquid is mixed and carries out physically
It is granulated with chemical combination formula, obtains granules.
Step 2, granules are dried into 24min under the conditions of 160 DEG C, then carries out once being cooled to 35 DEG C, crosses 1.35-
4.75mm sieve pores sieve, then carry out secondary cooling to 30 DEG C, are sieved after 1.35-4.75mm sieve pores, by coating face powder system
Afterwards, eventually by electronic measurement packaging system realize finished product to get.
Embodiment 5
A kind of preparation method of ammonium sulfate nitrogenous fertilizer, including following preparation process：
Step 1, by 725kg ammonium sulfate, 90kg urea, 77.5kg Cosans, 22.5kg oxidation calcium chelating agents and 22.5kg
Medical stone mixes, and is crushed in vertical crusher, obtains the crushed material of 200 mesh.
Step 2,60kg urea is dissolved in 15kg sulfuric acid and 15kg water, obtains ureasulfuric acid Synthesis liquid.
Step 2, after crushed material being put into drum granulating production system by the election weighing system of compound fertilizer production technology,
Ureasulfuric acid Synthesis liquid is sprayed to drum granulating production system simultaneously, so that crushed material and ureasulfuric acid Synthesis liquid is mixed and carries out physically
It is granulated with chemical combination formula, obtains granules.
Step 2, granules are dried into 24min under the conditions of 160 DEG C, then carries out once being cooled to 35 DEG C, crosses 1.35-
4.75mm sieve pores sieve, then carry out secondary cooling to 30 DEG C, are sieved after 1.35-4.75mm sieve pores, by coating face powder system
Afterwards, eventually by electronic measurement packaging system realize finished product to get.
Ammonium sulfate nitrogenous fertilizer finished product obtained by above example is examined through quality technical supervision Inspection Research institute of Shaanxi Province
It is certified products to survey, and specific testing result is total nitrogen >=21.0%, element sulphur >=25.0%, pH value 6.5；Meet national standard
GB535-1995《Ammonium sulfate》The measurement of sulphur and PH acid in required technical indicator and GB/T19203-2003 complex fertilizers
Measurement foundation of the degree meter to PH.The pH value 6.5 of the ammonium sulfate nitrogenous fertilizer finished product of gained of the invention, solves coking ammonium sulfate
Sour matter problem, the more original coking ammonium sulfate product of finished product have more safety in utilization, the ammonium sulfate of extrusion production
The safer high-efficiency high-quality of nitrogenous fertilizer.Extrusion is physical method, will not change the pH of product, and the ammonium sulfate nitrogenous fertilizer of the present invention
Using being physically granulated with chemical combination formula, the pH of final finished product is 6.5, more safe and efficient.
In above example, the nitrogen content of ammonium sulfate is 20.5%, and the nitrogen content of urea is 46.0%, the sulfur-bearing of Cosan
Amount is 98.0%.The granularity of ammonium sulfate nitrogenous fertilizer obtained by above example be 1.5-3mm, granulating rate 75-85%,
Grain intensity is 16-22N.The granularity standard of ammonium sulfate nitrogenous fertilizer requires to be 1.35-4.75mm, the standard requirement of granule strength
For 12-18N, therefore the granularity of the ammonium sulfate nitrogenous fertilizer of present invention gained and granule strength are met the requirements of the standard.Conventional
The granulating rate of ammonium sulfate nitrogenous fertilizer is 65%, and therefore, the ammonium sulfate nitrogenous fertilizer of present invention gained has higher granulating rate.
To sum up, the preparation method of the ammonium sulfate nitrogenous fertilizer of present invention gained is stablized, and products obtained therefrom smooth in appearance, granularity hardness are strong, produce
Product granulating rate height, good product quality.
Using ureasulfuric acid Synthesis liquid as binder in the preparation method of ammonium sulfate nitrogenous fertilizer, itself having to be promoted has
N, P element content, the stability for enhancing nitrogen and the water-soluble effect for promoting product in ammonium sulfate nitrogenous fertilizer；And and sulphur
Sour ammonium, urea, Cosan, chelating agent and medical stone powder mince mixing carry out physics granulation, each material all have effects that sustained release with
It has no toxic side effect, agriculture crop field will not be polluted and be remained.The materials such as ureasulfuric acid Synthesis liquid and medical stone carry out physics and make
Grain can effectively solve the problem that favourable conversions of the urea amide nitrogenous fertilizer to ammonium fertilizer, realize the synthesis of thiocarbamide technique to the effective of urea substance
It utilizes, the toxic side effect of control and neutralizing urea substance realizes the nuisanceless of product itself.
The ammonium sulfate nitrogenous fertilizer of gained of the invention is to mix coking by-product ammonium sulfate with urea, then add agricultural contain
The auxiliary materials such as sulphur nutriment Cosan, chelating agent and active material medical stone, are granulated by drum granulating production technology, institute
The ammonium sulfate nitrogenous fertilizer obtained can effectively solve ammonium sulfate ammonium fertilizer, and respectively defect and the two are complete with urea amide nitrogen fertilizer
Full chelating, fusion problem.Ammonium sulfate nitrogenous fertilizer can effectively solve that amide nitrogen fertilizer utilization rate is low, volatility is big and ammonium nitrogen is
Physiological phenomenon easily causes soil acidification and hardened problem.Simultaneously because adding the synergistic matters such as active chelating agent and Cosan, pass through
Synthesis technology method, new product particle shape is perfect, is conducive to Mechanization sowing, realization chemical fertilizer is effectively precisely applied and chemical fertilizer
It is reduced synergy.Cosan is used to supplement the sulfur content of ammonium sulfate nitrogenous fertilizer, is also used for auxiliary ammonium sulfate nitrogenous fertilizer raw material
Chelating.Chelating agent is the alkaline matters such as calcium hydroxide, calcium chloride, acid-base neutralization reaction can occur with ammonium sulfate acidic materials, promote
Into the chelating of ammonium sulfate nitrogenous fertilizer raw material.Medical stone is used to increase the mineral matter nutritional content of ammonium sulfate nitrogenous fertilizer, wheat meal
Stone is silicate mineral, is combined with vapor with viscosity, elastic force, can assist the chelating of ammonium sulfate nitrogenous fertilizer raw material.
Drum granulating production technology is used in the preparation method of the ammonium sulfate nitrogenous fertilizer of gained of the invention, makes ammonium sulfate
Grain nitrogenous fertilizer preparation method can be achieved, can scale, can mass have certain advantage.Take ammonium sulfate, Cosan, sulphur
Acid, urea, medical stone, chelating agent (calcium hydroxide) etc. are base stock material, and products obtained therefrom had both had ammonium sulfate industry
The advantage of change batch production and the application of agricultural modernization production scale, while having both the stability of element sulphur again and can detect
To the nutrition supply function of crops, the in addition product diversification of products obtained therefrom is answered for property, functionality and secondary-element sulfur and calcium
With middle its fertilizer of increase using Cosan as the nutrition of core and biocidal efficacies in agricultural soil.
Field trial
The method of administration of ammonium sulfate nitrogenous fertilizer is：Base is applied, row replacement, spreads manuer in holes, imposes.The mu of ammonium sulfate nitrogenous fertilizer
Amount of application is：The field crops 40-50kg such as wheat, corn, the vegetable crops 50-80kg such as melon dish, tomato, the industrial crops such as fruit tree
80-100kg, other crops can synergy volume increase with reference to above-mentioned crop applying.
(1) 50kg/ mus of ammonium sulfate nitrogenous fertilizer, ammonium sulfate 50kg/ mus and urea 50kg/ common is applied respectively on tomato
Mu, the results showed that, increase than the tomato yield of common ammonium sulfate and Urea treatment using the tomato yield after ammonium sulfate nitrogenous fertilizer
Add 10.5%, economic benefit is higher by 215 yuan/mu than common ammonium sulfate and Urea treatment.Test result confirmation, present invention gained
Ammonium sulfate nitrogenous fertilizer can be obviously promoted the growth of tomato, increase tomato yield, improve fruit quality, increase economic benefit.It is right
It is good using the effect of ammonium sulfate nitrogenous fertilizer for the vegetables such as tomato, high financial profit.
When applying 75kg/ mu of ammonium sulfate nitrogenous fertilizer on tomato, tomato yield increase by 14.5% or so can be made.
(2) 40kg/ mus of ammonium sulfate nitrogenous fertilizer, common ammonium sulfate 40kg/ mus and urea are applied respectively in wheat planting
40kg/ mus, the results showed that, it is produced than the wheat of common ammonium sulfate and Urea treatment using the wheat yield after ammonium sulfate nitrogenous fertilizer
Amount is high.The ammonium sulfate nitrogenous fertilizer of gained of the invention can be obviously promoted the growth of wheat, increase wheat yield, improve the agriculture of wheat
Skill character.It is good using the effect of ammonium sulfate nitrogenous fertilizer for wheat field crop.
(3) using the agricultural land soil of the ammonium sulfate nitrogenous fertilizer of present invention gained and the same amount of common ammonium sulfate phase of application
Than.The result shows that using the loosing soil of the ammonium sulfate nitrogenous fertilizer obtained by the present invention, water-retaining property is strong, soil pest and disease damage is apparent
It reduces, soil harmful heavy metal etc. is controlled and is in reduction state.
In conclusion agricultural land soil and crops field experiment the result shows that：With on crops apply common ammonium sulfate
It is compared with urea, dosage is identical makes 10.0% or more increasing crop yield in fertilising for ammonium sulfate nitrogenous fertilizer；Sulfuric acid
Ammonium particle nitrogen fertilizer can make 8.0% or more increasing crop yield in the case where applying fertilizer dosage decrement 30%.Using ammonium sulfate nitrogen
After fertilizer can prevention and control Farmland Soil Acidification, hardened and its prevention and control soil pollution, it is with obvious effects；Ammonium sulfate nitrogenous fertilizer is answered with farmland
Ovum effect is removed with water conservation effect and soil degerming.
The preparation method of the ammonium sulfate nitrogenous fertilizer of the present invention is by by coking by-product ammonium sulfate and urea, agricultural sulfur-bearing
Nutriment Cosan, chelating agent and active material medical stone chelating, under the premise of not changing ammonium sulfate original technology index,
The ammonium sulfate nitrogenous fertilizer for taking compound fertilizer drum granulating production Technology to produce.The ammonium sulfate nitrogenous fertilizer technology of gained
Index meets or surmounts the technical indicator of standard GB/T 535-1995, and nitrogen utilization efficiency is more than 50% in agricultural land soil application
More than, crops dramatically increase instead in reduction ammonium sulfate nitrogen fertilizing amount yield.Ammonium sulfate nitrogenous fertilizer promotees
Into nitrogenous fertilizer application synergy, promotes nitrogenous fertilizer this season utilization rate and ensure the long-term effect of nitrogenous fertilizer, reduce nitrogen nutrient loss, realize chemistry fertilizer
The fertilising purpose that material amount of application zero growth rate is more increased production.
The ammonium sulfate nitrogenous fertilizer of the present invention is graininess, and particle is uniform, granularity is moderate, without powder phenomenon-tion, is adapted to existing
Generationization agricultural development demand and mechanized application application；And graininess nitrogenous fertilizer is conducive to nutrient releasing speed in fertilizer and slows down, and prolongs
The effective acting time of long fertilizer.The ammonium sulfate nitrogenous fertilizer of gained of the invention, physical property and chemical property are safer, nothing
Public hazards, long-time service will not cause soil acidification, will not more cause soil hardening, can more convert and utilize having in soil
Benefit, effective element substance realize efficient utilization of the crops to nitrogenous fertilizer.
It, can effectively prevention and control agriculture containing active ingredients substances such as medical stone, Cosans in the ammonium sulfate nitrogenous fertilizer of the present invention
Field soil pollution, and being capable of effectively prevention and control soil pests and harmful bacteria, the environment of soil protection and its plant growth safety.
Although the present invention is described in detail with a general description of the specific embodiments in this specification,
But on the basis of the present invention, it can be made some modifications or improvements, this will be apparent to those skilled in the art.
Therefore, these modifications or improvements without departing from theon the basis of the spirit of the present invention, belong to claimed model
It encloses.
Claims (10)
1. a kind of ammonium sulfate nitrogenous fertilizer, which is characterized in that including following raw material：Ammonium sulfate, urea, Cosan, chelating agent, wheat
Meal stone, sulfuric acid and water.
2. ammonium sulfate nitrogenous fertilizer according to claim 1, which is characterized in that the granularity of the ammonium sulfate nitrogenous fertilizer
For 1.5-3mm.
3. ammonium sulfate nitrogenous fertilizer according to claim 1, which is characterized in that the chelating agent is calcium hydroxide, chlorination
It is one or more in calcium or calcium oxide.
4. ammonium sulfate nitrogenous fertilizer according to claim 1, which is characterized in that the dosage of the raw material is ammonium sulfate 700-
750 parts, 125-150 parts of urea, 75-80 parts of Cosan, 20-25 parts of chelating agent, 20-25 parts of medical stone, 10-15 parts of sulfuric acid and water
10-15 parts.
5. a kind of preparation method of ammonium sulfate nitrogenous fertilizer, which is characterized in that including following preparation process：
Step 1, ammonium sulfate, urea, Cosan, chelating agent and medical stone are mixed, crushes, obtains crushed material；
Step 2, urea, sulfuric acid and water are mixed, obtains ureasulfuric acid Synthesis liquid；
Step 3, the ureasulfuric acid Synthesis liquid is sprayed in comminutor, and is granulated with crushed material mixing, must be granulated
Object；
Step 4, heating, drying is carried out to the granules, primary cooling, screening, secondary cooling, screening, coating to get.
6. the preparation method of ammonium sulfate nitrogenous fertilizer according to claim 5, which is characterized in that in step 1, the crushing
The mesh number 100-200 mesh of object.
7. the preparation method of ammonium sulfate nitrogenous fertilizer according to claim 5, which is characterized in that in step 4, the heating
The temperature of drying is 160-180 DEG C, and the time of heating, drying is 20-24min.
8. the preparation method of ammonium sulfate nitrogenous fertilizer according to claim 5, which is characterized in that described primary in step 4
It is cooled to be cooled to 30-35 DEG C.
9. the preparation method of ammonium sulfate nitrogenous fertilizer according to claim 5, which is characterized in that described secondary in step 4
It is cooled to be cooled to 25-30 DEG C.
10. the preparation method of ammonium sulfate nitrogenous fertilizer according to claim 5, which is characterized in that in step 4, the sieve
The aperture divided is 1.35-4.75mm.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810549039.7A CN108424287A (en) | 2018-05-31 | 2018-05-31 | A kind of ammonium sulfate nitrogenous fertilizer and preparation method thereof |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810549039.7A CN108424287A (en) | 2018-05-31 | 2018-05-31 | A kind of ammonium sulfate nitrogenous fertilizer and preparation method thereof |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN108424287A true CN108424287A (en) | 2018-08-21 |
Family
ID=63164112
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201810549039.7A Pending CN108424287A (en) | 2018-05-31 | 2018-05-31 | A kind of ammonium sulfate nitrogenous fertilizer and preparation method thereof |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN108424287A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110981589A (en) * | 2019-12-12 | 2020-04-10 | 重庆宝禾实业有限公司 | High-energy sulfur-based fertilizer and preparation method thereof |
Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104355803A (en) * | 2014-10-23 | 2015-02-18 | 北京市农林科学院 | Special additional fertilizer for container plants and preparation method and application thereof |
| CN106631578A (en) * | 2016-12-08 | 2017-05-10 | 深圳市芭田生态工程股份有限公司 | Humic acid composite fertilizer and preparation method thereof |
| CN107459425A (en) * | 2017-08-09 | 2017-12-12 | 天津益农赢丰生态科技有限公司 | A kind of high-activity straw organic and inorganic fertilizer and preparation method |
-
2018
- 2018-05-31 CN CN201810549039.7A patent/CN108424287A/en active Pending
Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104355803A (en) * | 2014-10-23 | 2015-02-18 | 北京市农林科学院 | Special additional fertilizer for container plants and preparation method and application thereof |
| CN106631578A (en) * | 2016-12-08 | 2017-05-10 | 深圳市芭田生态工程股份有限公司 | Humic acid composite fertilizer and preparation method thereof |
| CN107459425A (en) * | 2017-08-09 | 2017-12-12 | 天津益农赢丰生态科技有限公司 | A kind of high-activity straw organic and inorganic fertilizer and preparation method |
Non-Patent Citations (3)
| Title |
|---|
| 石兆军: "一种硫酸脲氨化复合肥生产工艺", 《磷肥与复肥》 * |
| 石学勇等: "硫酸脲氨化法生产尿基复合肥工业化生产的研究 ", 《磷肥与复肥》 * |
| 高祥照 等: "《化肥手册》", 30 September 2000, 中国农业出版社 * |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110981589A (en) * | 2019-12-12 | 2020-04-10 | 重庆宝禾实业有限公司 | High-energy sulfur-based fertilizer and preparation method thereof |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN103102216B (en) | Coated fertilizer for inducing root growth and preparation method and application thereof | |
| CN102153419B (en) | Special fertilizer for rice | |
| CN101693638B (en) | Preparation method and application method of tomato special fertilizer | |
| CN103664276B (en) | A kind of Multi-element active silicon fertilizer based on oil shale | |
| CN105294306A (en) | Slow release compound fertilizer dedicated to WO oranges and preparation method of slow release compound fertilizer | |
| CN105152817A (en) | Special fertilizer for citrus gonggan | |
| CN103804082A (en) | Special calcium fertilizer for calcium-enriched rice, preparation method thereof, and cultivation method of calcium-enriched rice | |
| CN105367238A (en) | Special organic compound fertilizer for Or and preparation method for fertilizer | |
| CN103130566B (en) | Adjustable slow release BB fertilizer special for applying for cucumber and preparation method of adjustable slow release BB fertilizer | |
| CN104073258A (en) | Composite type soil conditioner made from boron mud waste residue and preparation method thereof | |
| CN103819265B (en) | The special calcareous fertilisers of wheat, its preparation and method of cultivated wheat | |
| WO2017206744A1 (en) | Granular ammonium phosphate having quick- and long-acting sulfur and zinc, and preparation method therefor | |
| CN105061110A (en) | Compound fertilizer specially used for eucalyptus, and preparation method thereof | |
| CN108424287A (en) | A kind of ammonium sulfate nitrogenous fertilizer and preparation method thereof | |
| CN106938954A (en) | A kind of wheat efficient formula fertilizer suitable for Soil Development in Huaibei Plain low yield Shajiang black soil | |
| CN107043300A (en) | A kind of active component containing marine alga and middle micro- slow controlled release bulk blended fertilizer | |
| CN105036996B (en) | A kind of special double film dual control slow-release fertilizers of corn and preparation method thereof | |
| CN106748016A (en) | A kind of production method of wheat special controlled release seed dressing composite fertilizer | |
| CN103058743B (en) | Special fertilizer for Lonicera macranthoides | |
| CN110283027A (en) | A kind of direct seading rice formula fertilizer special resistant to lodging and its preparation method and application | |
| CN102850108B (en) | Special fertilizer for watermelons, and preparation method and application thereof | |
| CN104130041A (en) | Rice organic-inorganic compound fertilizer containing sodium silicate and humic acid and preparation method thereof | |
| CN1086506A (en) | Complete-nutritive humic acid composite fertilizer | |
| CN103159573A (en) | Potassium-fulvate-type sustained-control-release long-lasting urea ammonia | |
| CN105732170A (en) | Complex fertilizer formula taking ammonium sulfate and potassium sulfate as raw materials |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| RJ01 | Rejection of invention patent application after publication |
Application publication date: 20180821 |
|
| RJ01 | Rejection of invention patent application after publication |