CN101967070B - Sulfur, zinc, manganese and boron-containing phosphate ammoniate fertilizer and production method thereof - Google Patents
Sulfur, zinc, manganese and boron-containing phosphate ammoniate fertilizer and production method thereof Download PDFInfo
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Abstract
The invention discloses a sulfur, zinc, manganese and boron-containing phosphate ammoniate fertilizer and a production method thereof. The sulfur, zinc, manganese and boron-containing phosphate ammoniate fertilizer comprises the following components in part by weight: 12.9 to 13.4 parts of N, 43.9 to 44.7 parts of P, 5 to 12 parts of S, 0.98 to 1.04 parts of Zn, 0.5 to 0.53 part of Mn, 0.5 to 0.56 part of B and 1.5 to 2.4 parts of water. The production method comprises the following production steps: (1) adding diluted phosphoric acid and gas ammonia in a pre-reaction tank to perform a neutralization reaction, and concentrating the reaction solution to obtain a first material; (2) adding the first material into a quick ammonia reactor, adding liquid sulfur or mixture of liquid sulfur and 98 percent concentrated sulfuric acid, tailings pulp containing zinc, manganese and boron and an acidic dispersant into the quick ammonia reactor, and adding gas ammonia for secondary neutralization to obtain a second material containing phosphorus, nitrogen, monomer sulfur, SO4<2->, zinc, manganese and boron; and (3) spouting the second material for making a material, drying, screening and cooling to obtain a product.
Description
Technical field
The present invention relates to a kind of phosphorus-ammonium compound fertilizer, relate in particular to the phosphorus-ammonium compound fertilizer of a kind of sulfur-bearing, zinc, manganese and boron.The invention still further relates to the production method of the phosphorus-ammonium compound fertilizer of this sulfur-bearing, zinc, manganese and boron.
Background technology
Moderate-element and trace element in soil content seldom, more little at the plant materials intensive amount, but be indispensable to plant, in case lack, the plant-growth meeting is undesired.Be the activator of plant materials endoenzyme such as moderate-element sulphur, trace element zinc, boron, manganese etc., if lack these elements, enzyme just loses catalytic capability, can not form such as chlorophyll, and amino acid, growth hormone can not synthesize etc.Element sulphur content is lower in the most of soil of China, and a lack of sulfur can cause young leaves, spire yellow chlorosis in plant-growth, and plant is short and small and branch is few, and output is on the low side.Elementary sulfur can be made sterilant to certain micro-organisms simultaneously, can make sterilant to some soil and plant, helps plant residue to decompose, and improves the utilization of phosphorus and nitrogen, reduces the pH value of alkalescence and calcareous soils.Zinc can promote indolylacetic acid and Serine combination colour propylhomoserin in trace element, and tryptophane is the predecessor of growth hormone.Lack that indolylacetic acid is synthetic in the zinc farming object falls sharply, tend to cause the situation such as bloom less, the result is undesired; The manganese deficiency chlorophyll formation is obstructed, and it is green that mesophyll chlorosis and vein still are, from vein more away from green more shallow.The growth of boron deficiency crop growth point is suppressed even is dead, blooms and shaky.At present, in the world wide to sulfur-type and to contain the fertilizer demand of the elements such as element zinc, manganese, boron growing.The at present main coating method of production method and the pack before the ammonium sulfate class sulfur-bearing composite fertilizer, sulphur adds with the form of vitriol.A shortcoming of vitriol is to shift easily in soil or be cut, and solid sulfate salt is processed and there is highly dangerous in grinding, and sulphur skewness in fertiliser granulates.
Summary of the invention
Purpose of the present invention just is to provide the phosphorus-ammonium compound fertilizer of a kind of sulfur-bearing, zinc, manganese and boron, and its sulphur content is higher, and provides required trace element zinc, manganese, boron for farm crop.Another object of the present invention provides the production method of the phosphorus-ammonium compound fertilizer of this kind sulfur-bearing, zinc, manganese and boron, the method overcome the problem of the highly dangerous that solid sulfur processes and grind, and solved sulphur and shifted easily in soil or be cut and the problem of coating method and pack production sulfur-type composite fertilizer's sulphur skewness in fertiliser granulates.
In order to solve the problems of the technologies described above, the phosphorus-ammonium compound fertilizer of a kind of sulfur-bearing of the present invention, zinc, manganese and boron, this phosphorus-ammonium compound fertilizer that contains sulphur, zinc, manganese and boron is by ratio of weight and the number of copies:
N 12.9-13.4
P 43.9-44.7
S 5-12
Zn 0.98-1.04
Mn 0.5-0.53
B 0.5-0.56
Water 1.5-2.4.
Phosphorus-ammonium compound fertilizer sulfur-bearing amount of element of the present invention is between 5-12%, and element sulphur is with elemental sulfur and SO
4 -2Two kinds of forms are scattered in the fertiliser granulates uniformly, and relevant farm crop are played the continual and steady slow releasing function that nutrient is provided.The adding of trace element zinc, manganese, boron promotes plant growth, improves crop yield.
In order to produce the phosphorus-ammonium compound fertilizer of above-mentioned sulfur-bearing, zinc, manganese and boron, its production stage processed comprises:
(1) add dilute phosphoric acid and gas ammonia in anterior reactor and carry out the pre-neutralization reaction, reaction solution obtains the first material after concentrated;
(2) above-mentioned the first material is joined in the fast ammonia reactor, and to the mixture of the vitriol oil that wherein adds molten sulfur or molten sulfur and 98%, the mine tailing ore pulp that contains zinc, manganese, boron and acid dispersion agent, then add gas ammonia and carry out secondary neutralization and obtain phosphorous, nitrogen, elemental sulfur and SO
4 2-, zinc, manganese, boron the second material;
(3) second materials through whitewashing make material, drying, screening, cooling obtains product.
In technique scheme, when the S content in the product only need add molten sulfur less than 8% the time, when the S content in the product is 8% need add the mixture of molten sulfur and sulfuric acid when above.
In such scheme, the concentration of described dilute phosphoric acid is 20%, and the mass ratio of itself and gas ammonia is 13.5-14: 1, the pressure of control gas ammonia is 0.25Mpa, temperature of reaction 85-105 ℃, and degree of neutralization 0.8-1, neutralizing and solution being concentrated into water content after complete is 28-32%, obtains the first material.
In such scheme: S content less than the production method of 8% product is, above-mentioned the first material is added in the fast ammonia reactor, and to wherein adding molten sulfur, mine tailing ore pulp and acid dispersion agent, the mass ratio of described molten sulfur and dilute phosphoric acid is 0.013-0.015: 1, the mass ratio of mine tailing ore pulp and dilute phosphoric acid is 0.022-0.025: 1, the mass ratio of acid dispersion agent and dilute phosphoric acid is 0.0024-0.0026: 1,130-140 ℃ of control temperature, add gas ammonia and carry out the secondary neutralization, the pressure of control gas ammonia is 0.2Mpa, degree of neutralization 1.3-1.5.
In such scheme: S content is that the production method of the product more than 8% is, above-mentioned the first material is added in the fast ammonia reactor, and to wherein adding molten sulfur, 98% the vitriol oil, mine tailing ore pulp and acid dispersion agent, the mass ratio of described molten sulfur and dilute phosphoric acid is 0.013-0.015: 1, the mass ratio of described sulfuric acid and dilute phosphoric acid is 0.018-0.02: 1, the mass ratio of mine tailing ore pulp and dilute phosphoric acid is 0.022-0.025: 1, the mass ratio of acid dispersion agent and dilute phosphoric acid is 0.0024-0.0026: 1,130-140 ℃ of control temperature, add gas ammonia and carry out the secondary neutralization, the pressure of control gas ammonia is 0.2Mpa, degree of neutralization 1.3-1.5.
In technique scheme: the content of zinc, manganese, boron is followed successively by in the described mine tailing: 3-5%, 1.5-3%, 1.5-3%.
Compared with prior art, the present invention has the following advantages:
(1) owing to the form of element sulphur of the present invention with molten sulfur or the vitriol oil adds from fast ammonia reactor, overcome the highly dangerous problem that solid sulfate salt is processed and ground, add acid dispersion agent, make liquid sulfur be distributed to uniformly in the slurry solution, increase the suspension of liquid sulfur, solved the problem of sulphur skewness in fertiliser granulates; Mine tailing adds from fast ammonia reactor with the ore pulp form, is conducive to the elements such as zinc, manganese, boron and is distributed in the phosphor ammonium slurry uniformly fully.
(2) element sulphur is with elemental sulfur or SO
4 2-Two kinds of forms are present in the fertiliser granulates, therefore can play the continual and steady slow releasing function that nutrient is provided to relevant farm crop, have prevented that sulphur is transferred in soil or is cut.
(3) the present invention is in conjunction with China's phosphate rock resource national conditions, and the solid waste-mine tailing that adopts production higher-grade phosphoric acid to produce has been saved cost greatly.
Embodiment
Embodiment 1
Dilute phosphoric acid (20%) and gas ammonia (control pressure 0.25mpa) are joined in the neutralization reaction groove with 2200kg and 163.23kg respectively, and temperature of reaction is controlled at 98 ℃, and degree of neutralization controls to 0.8.Above reaction slurry enters concentrating unit and enters fast ammonia reactor through concentrated (slurry moisture is controlled at 30%) again, (mine tailing is the solid waste that production higher-grade phosphoric acid produces with molten sulfur, mine tailing ore pulp, wherein the content of zinc, manganese, boron is followed successively by: 3-5%, 1.5-3%, 1.5-3%), the acid dispersion agent of Excellence Acidity60 adds in the fast ammonia reactor with amount 30kg, 50kg, 5.5kg respectively, temperature of reaction controls to 135 ℃, adds gas ammonia (control pressure 0.2mpa) degree of neutralization and brings up to 1.4.Reacted slip whitewashing enters tablets press, and granule materials drying, screening, cooling make salable product.Product component is (part): N---44.1 P---13.1S---5 Zn---1 Mn---0.5 B---0.5.
Embodiment 2
Dilute phosphoric acid (20%) and gas ammonia (control pressure 0.25mpa) are joined in the neutralization reaction groove with 2200kg and 160kg respectively, and temperature of reaction is controlled at 98 ℃, and degree of neutralization controls to 0.9.Above reaction slurry enters concentrating unit and enters fast ammonia reactor through concentrated (slurry moisture is controlled at 30%) again, (mine tailing is the solid waste that production higher-grade phosphoric acid produces with molten sulfur, 98% sulfuric acid, mine tailing ore pulp, wherein the content of zinc, manganese, boron is followed successively by: 3-5%, 1.5-3%, 1.5-3%), the acid dispersion agent of Excellence Acidity60 adds in the fast ammonia reactor with amount 30kg, 42.5kg, 50kg, 5.5kg respectively, temperature of reaction controls to 135 ℃, adds gas ammonia (control pressure 0.2mpa) degree of neutralization and brings up to 1.45.Reacted slip whitewashing enters tablets press, and granule materials drying, screening, cooling make salable product, and product component is: N---44.2P---13.2 S---8 Zn---0.98 Mn---0.53 B---0.56.
Embodiment 3
Dilute phosphoric acid (20%) and gas ammonia (control pressure 0.25mpa) are joined in the neutralization reaction groove with 2200kg and 160kg respectively, and temperature of reaction is controlled at 98 ℃, and degree of neutralization controls to 1.Above reaction slurry enters concentrating unit and enters fast ammonia reactor through concentrated (slurry moisture is controlled at 30%) again, (mine tailing is the solid waste that production higher-grade phosphoric acid produces with molten sulfur, 98% sulfuric acid, mine tailing ore pulp, wherein the content of zinc, manganese, boron is followed successively by: 3-5%, 1.5-3%, 1.5-3%), the acid dispersion agent of Excellence Acidity60 adds in the fast ammonia reactor with amount 30kg, 42.5kg, 50kg, 5.3kg respectively, temperature of reaction controls to 135 ℃, adds gas ammonia (control pressure 0.2mpa) degree of neutralization and brings up to 1.5.Reacted slip whitewashing enters tablets press, and granule materials drying, screening, cooling make salable product.Product component is: N---44.3P---13.2 S---12 Zn---1.04 Mn---0.51 B---0.52.
Claims (2)
1. production method that contains the phosphorus-ammonium compound fertilizer of sulphur, zinc, manganese and boron, its step comprises:
(1) in anterior reactor, adds dilute phosphoric acid and gas ammonia and carry out the pre-neutralization reaction, the concentration of described dilute phosphoric acid is 20%, the mass ratio of dilute phosphoric acid and gas ammonia is 13.5-14: 1, the pressure of control gas ammonia is 0.25Mpa, temperature of reaction 85-105 ℃, degree of neutralization 0.8-1, neutralizing and solution being concentrated into water content after complete is 28-32%, obtains the first material;
(2) the first material is joined in the fast ammonia reactor, and to wherein adding molten sulfur, mine tailing ore pulp and acid dispersion agent, the mass ratio of described molten sulfur and dilute phosphoric acid is 0.013-0.015: 1, the mass ratio of mine tailing ore pulp and dilute phosphoric acid is 0.022-0.025: 1, the mass ratio of acid dispersion agent and dilute phosphoric acid is 0.0024-0.0026: 1, and 130-140 ℃ of control temperature adds gas ammonia and carries out the secondary neutralization, the pressure of control gas ammonia is 0.2Mpa, degree of neutralization 1.3-1.5;
(3) second materials are made material, drying, screening, cooling through whitewashing, namely get S content less than 8% product;
The content of zinc, manganese, boron is followed successively by in the described mine tailing ore pulp: 3-5%, 1.5-3%, 1.5-3%.
2. production method that contains the phosphorus-ammonium compound fertilizer of sulphur, zinc, manganese and boron, its step comprises:
(1) in anterior reactor, adds dilute phosphoric acid and gas ammonia and carry out the pre-neutralization reaction, the concentration of described dilute phosphoric acid is 20%, the mass ratio of dilute phosphoric acid and gas ammonia is 13.5-14: 1, the pressure of control gas ammonia is 0.25Mpa, temperature of reaction 85-105 ℃, degree of neutralization 0.8-1, neutralizing and solution being concentrated into water content after complete is 28-32%, obtains the first material;
(2) the first material is added in the fast ammonia reactor, and to wherein adding molten sulfur, 98% the vitriol oil, mine tailing ore pulp and acid dispersion agent, the mass ratio of described molten sulfur and dilute phosphoric acid is 0.013-0.015: 1, the mass ratio of the described vitriol oil and dilute phosphoric acid is 0.018-0.02: 1, the mass ratio of mine tailing ore pulp and dilute phosphoric acid is 0.022-0.025: 1, the mass ratio of acid dispersion agent and dilute phosphoric acid is 0.0024-0.0026: 1,130-140 ℃ of control temperature, add gas ammonia and carry out the secondary neutralization, the pressure of control gas ammonia is 0.2Mpa, degree of neutralization 1.3-1.5;
(3) second materials are made material, drying, screening, cooling through whitewashing, namely get S content greater than 8% product;
The content of zinc, manganese, boron is followed successively by in the described mine tailing ore pulp: 3-5%, 1.5-3%, 1.5-3%.
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Families Citing this family (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| AU2013289305A1 (en) * | 2012-07-09 | 2015-01-15 | Shell Internationale Research Maatschappij B.V. | Process for preparing an emulsion of elemental sulphur particles |
| WO2015104286A1 (en) | 2014-01-09 | 2015-07-16 | Shell Internationale Research Maatschappij B.V. | Process for preparing a urea-sulphur fertiliser |
| CN103848670B (en) * | 2014-03-12 | 2015-12-02 | 安徽省司尔特肥业股份有限公司 | A kind of with the technique of phosphorus ammonium thickened pulp One-step production high-concentration compound fertilizer |
| CN106470961B (en) | 2014-07-28 | 2020-01-10 | 国际壳牌研究有限公司 | Process for preparing urea-sulphur fertilizers |
| CN106810321B (en) * | 2017-01-21 | 2021-01-01 | 云南三环中化化肥有限公司 | Equipment and method for producing sulfur-containing phosphate fertilizer by adding liquid sulfur into gas phase |
| CN108821849A (en) * | 2018-06-13 | 2018-11-16 | 贵阳开磷化肥有限公司 | A kind of diamines of phosphoric acid containing microelement compound fertilizer preparation method |
| CN110723999B (en) * | 2019-11-20 | 2024-04-23 | 瓮福（集团）有限责任公司 | Equipment and method suitable for improving water solubility of trace elements in trace element ammonium phosphate product |
| CN112624864A (en) * | 2020-12-31 | 2021-04-09 | 众德肥料（烟台）有限公司 | Fertilizer special for peanuts and preparation method thereof |
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| CN101353285A (en) * | 2008-08-29 | 2009-01-28 | 薛立成 | Natural multifunctional mineral compound fertilizer |
| CN101367674A (en) * | 2008-09-27 | 2009-02-18 | 瓮福（集团）有限责任公司 | Method for manufacturing sulphur magnesium fertilizer with high-magnesium phosphor tail slag |
| CN101475417A (en) * | 2009-01-20 | 2009-07-08 | 牧耀贵 | Biological mineral compound fertilizer and production method thereof |
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2010
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Patent Citations (4)
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|---|---|---|---|---|
| CN1108636A (en) * | 1994-03-16 | 1995-09-20 | 南京化学工业(集团)公司磷肥厂 | Multicomponent magnetized compound fertilizer |
| CN101353285A (en) * | 2008-08-29 | 2009-01-28 | 薛立成 | Natural multifunctional mineral compound fertilizer |
| CN101367674A (en) * | 2008-09-27 | 2009-02-18 | 瓮福（集团）有限责任公司 | Method for manufacturing sulphur magnesium fertilizer with high-magnesium phosphor tail slag |
| CN101475417A (en) * | 2009-01-20 | 2009-07-08 | 牧耀贵 | Biological mineral compound fertilizer and production method thereof |
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