CN101570455B - Method for preparing particle ammonium sulfate product by organic-inorganic binder - Google Patents
Method for preparing particle ammonium sulfate product by organic-inorganic binder Download PDFInfo
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- CN101570455B CN101570455B CN2009101026099A CN200910102609A CN101570455B CN 101570455 B CN101570455 B CN 101570455B CN 2009101026099 A CN2009101026099 A CN 2009101026099A CN 200910102609 A CN200910102609 A CN 200910102609A CN 101570455 B CN101570455 B CN 101570455B
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Abstract
A method for preparing particle ammonium sulfate product by organic-inorganic binder, comprises the following steps: (1) polyacrylamide, polyethylene glycol and polyvinyl alcohol are selected to be organic binder; monoammonium phosphate, diammonium phosphate, ammonium bicarbonate, magnesium sulfate monohydrate, magnesium sulfate hetahydrate and heptahydrate zinc sulphate are selected to be inorganic binder; (2) crystal ammonium sulfate is crashed; (3) the one or more organic binder is dissolved, mixed evenly with the one or more inorganic binder in a solution pump and a pelletizer, and is sprayed with steam or water on the surface of ammonium sulfate to carry out pelleting to obtain semi-finished product; (4) the semi-finished product is dried; (5) dried finished product is screened after inspected particles with suitable particle sizes are selected to be the product. The invention has the following advantages: (1) the process is simple, thus facilitates operation; (2) the binder is accessible, and the product has uniform particle sizes with strength being suitable for large scale mechanized operation; (3) the mixture ratio of the binder is free, thus being capable of satisfying large scale mechanized operation. The invention is suitable for popularization in compound fertilizer production.
Description
Technical field
The present invention relates to the chemical fertilizer product, further, relate to the production of ammonium sulfate, relate in particular to the method for producing ammonium sulphate grain with organic-inorganic binder.
Background technology
Along with development of market economy, large-scale agricultural mechanization development is more and more fast.In recent years, granulated fertilizer has received client's favor, and its price is far above the fertilizer of traditional form.As the nitrogenous fertilizer ammonium sulfate that goes on the market the earliest, present crystal habit can't satisfy mechanization of agriculture fertilising requirement.
In the existing one Chinese patent application part, disclose a kind of preparation method of large-particle ammonium sulfate, but failed to be widelyd popularize for the CN1051711 of japanese publication number; CN88102293A number of Holland application discloses in grain fluidized bed granulation contains the granulated fertilizer of urea and ammonium sulfate with production method; But because it contains urea concentration up to 70%～99.9%; Reduce the content of ammonium sulfate own, changed its component, especially reduced the content of S.It is the method for preparing ammonium sulfate and fertilizer of carbon dioxide with the gypsum that No. 00104473.7 of Ningxia Zhang Minqian application then discloses a kind of small nitrogenous fertilizer plant; Mention with tackiness agent and contain the direct oven dry of lime carbonate of ammonium sulfate and produce fertilizer of carbon dioxide, but can not be used for large-particle ammonium sulfate production with adhesive complex.Still the no-trump organic-inorganic binder is used for the report that large-particle ammonium sulfate is produced at present.
Summary of the invention
The object of the present invention is to provide a kind of method of producing ammonium sulphate grain products, can make agricultural crystal ammonium sulfate bonding granulating, thereby search out a kind of new production approach for ammonium sulphate grain with organic-inorganic binder.
For with the crystal ammonium sulfate granulating on the market, satisfy the mechanize requirement, the contriver is through long-term exploratory development; Chosen and to have made the granulated organic-inorganic binder of crystal ammonium sulfate, and can guarantee the character of ammonium sulfate itself, do not changed the component concentration of ammonium sulfate; The ammonium sulfate product uniform particles of being produced; Granularity is accounting for total amount more than 90% about 1-5mm, more than the intensity 12N, makes it can satisfy fully the requirement of big machineryization.
The method with organic-inorganic binder production large-particle ammonium sulfate product that the contriver provides may further comprise the steps:
(1) selects for use SEPIGEL 305, polyoxyethylene glycol, Z 150PH as organic binder bond, select for use monoammonium phosphate, diammonium phosphate, bicarbonate of ammonia, magnesium sulfate monohydrate, MAGNESIUM SULPHATE HEPTAHYDRATE 99.5, Zinc Sulphate Heptahydrate as mineral binder bond;
(2) crystal ammonium sulfate is pulverized;
(3) above-mentioned one or more organic binder bonds being added solvent trough dissolves; Dissolved solution passes through pump delivery to tablets press; Mix with described one or more mineral binder bonds and steam or water are sprayed to the powdery ammonium sulfate surface in the lump and carry out granulation, obtain work in-process;
(4) work in-process are carried out drying;
(5) dried product sieves according to moisture content index and granularity requirements, through being up to the standards, choosing particles with suitable particle at last and packs as product.
Molecular Weight for Polyacrylamide in the above-mentioned the first step is 3,000,000～1,800 ten thousand; Polyoxyethylene glycol is a PEG series; The Z 150PH polymerization degree is between 550～2500.
In above-mentioned second step, said crystal ammonium sulfate is pulverized the back granularity and is controlled at 20～200 orders.
In above-mentioned the 3rd step; The add-on of said organic-inorganic binder is according to the conveying fluency decision of the massfraction and the solution of product granulating situation and solution; The massfraction of organic binder bond is between 0.1%～1%, to guarantee the composition of ammonium sulfate product itself in the control product; The control prilling temperature is guaranteed half-finished balling ratio 70% between 60 ℃～150 ℃.
In above-mentioned the 4th step, said half-finished drying can be chosen one section drying or two-stage drying according to the hot blast capacity load, used drying temperature, and one section is 220 ℃～280 ℃, two sections is 180 ℃～240 ℃.
In above-mentioned the 5th step, the granularity of said finished product is 1～5mm.
Method of the present invention is compared with known method of production, has the following advantages: 1. production technique is simple, is convenient to operation; 2. sticker is easy to get, and the massfraction of product nutrient is more than 90%, epigranular, and intensity is fit to the big machinery operation; 3. organic binder bond is according to the granulating situation, and proportioning is free, can satisfy big machinery production.This method suits in production of compound fertilizer, generally to promote, and can improve product market competitiveness.
Embodiment
Below further specify the present invention through embodiment:
The single organic binder bond of instance 1 usefulness mixes with single mineral binder bond produces ammonium sulphate grain
The SEPIGEL 305 of selecting molecular weight 1,200 ten thousand for use selects for use diammonium phosphate as mineral binder bond as organic binder bond, and it is subsequent use to be crushed to 20～200 orders; (effective constituent is N:20.4%, S:23.58%, H with the ammonia sulfate crystal of≤2mm
2O:0.8%) be crushed to 20～200 orders through kibbler; Evenly add tablets press in through the metering back ammonium sulfate of diammonium phosphate of pulverizing and pulverizing; Carry out granulation in the tablets press being sprayed at through solvent trough dissolved organic solvent polyacrylamide solution and MP steam, the amount of adding is: the ratio of SEPIGEL 305 and ammonium sulfate is 5: 965, and the ratio of diammonium phosphate and ammonium sulfate is 30: 965; Afterwards through MP steam spraying carrying out granulation, 120 ℃～160 ℃ of prilling temperatures; Through two sections drying machine dryings, one section exsiccant temperature is at 220 ℃～280 ℃, and the two-stage drying temperature is carried out drying at 180 ℃～240 ℃; Cooling back is with the sieve apparatus screening, and the particle of choosing granularity and be 1～5mm is an ammonium sulfate product, and through being up to the standards, packing is dispatched from the factory.
Instance 2 organic binder bonds and the arbitrary mixed of mineral binder bond are produced ammonium sulphate grain products
Step selects for use the SEPIGEL 305 of molecular weight 1,200 ten thousand to mix as organic binder bond according to 1: 1 with polyoxyethylene glycol (PEG600) with embodiment 1, and dissolving mixes.Magnesium sulfate monohydrate and diammonium phosphate are mixed according to 1: 1 or arbitrary proportion, the control organic-inorganic binder accounts for total mass fractional 1% again; Dissolving mixes and adds in the tablets press, and control ratio and process operation parameter make qualified particulate state ammonium sulfate product.
Following table is listed processing parameter and quality product detailed content
Table 1 processing parameter table look-up
Table 2 end product quality index table look-up
Claims (4)
1. produce the method for ammonium sulphate grain products with organic-inorganic binder, its characteristic comprises:
(1) selecting molecular weight for use is 3,000,000～1,800 ten thousand SEPIGEL 305; PEG series polyoxyethylene glycol; The Z 150PH of the polymerization degree between 550～2500 selects for use monoammonium phosphate, diammonium phosphate, bicarbonate of ammonia, magnesium sulfate monohydrate, MAGNESIUM SULPHATE HEPTAHYDRATE 99.5, Zinc Sulphate Heptahydrate as mineral binder bond as organic binder bond;
(2) crystal ammonium sulfate is pulverized, pulverized the back granularity and be controlled between 20～200 orders;
(3) above-mentioned one or more organic binder bonds being added solvent trough dissolves; Dissolved solution passes through pump delivery to tablets press; Mix with described one or more mineral binder bonds and steam or water are sprayed to the powdery ammonium sulfate surface in the lump and carry out granulation, obtain work in-process;
(4) work in-process are carried out drying;
(5) dried product sieves according to moisture content index and granularity requirements, through being up to the standards, choosing particles with suitable particle at last and packs as product.
2. like claims 1 described method, it is characterized in that in the 3rd step that the add-on of said organic binder bond is that the massfraction of sticker in the control product is between 0.1%～1%; The control prilling temperature is guaranteed half-finished balling ratio 70% between 60 ℃～150 ℃.
3. like claims 1 described method, it is characterized in that said drying is one section drying or two-stage drying in the 4th step, said drying temperature is 220 ℃～280 ℃ for one section, and two sections is 180 ℃～240 ℃.
4. like claims 1 described method, it is characterized in that the granularity of said finished product is 1～5mm in the 5th step.
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| Application Number | Priority Date | Filing Date | Title |
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| CN2009101026099A CN101570455B (en) | 2009-06-05 | 2009-06-05 | Method for preparing particle ammonium sulfate product by organic-inorganic binder |
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| CN2009101026099A CN101570455B (en) | 2009-06-05 | 2009-06-05 | Method for preparing particle ammonium sulfate product by organic-inorganic binder |
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| CN101570455A CN101570455A (en) | 2009-11-04 |
| CN101570455B true CN101570455B (en) | 2012-07-04 |
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Families Citing this family (13)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102432403B (en) * | 2011-09-30 | 2013-07-17 | 瓮福（集团）有限责任公司 | Coating fertilizer special for soybean and preparation method for coating fertilizer |
| CN103739313A (en) * | 2013-12-19 | 2014-04-23 | 瓮福（集团）有限责任公司 | Method for producing granular ammonium sulfate product |
| CN103739312A (en) * | 2013-12-19 | 2014-04-23 | 瓮福（集团）有限责任公司 | Production method for improving nitrogen of granular ammonium sulfate |
| CN103694055B (en) * | 2013-12-25 | 2015-12-02 | 贵州大学 | Organic-inorganic compound mixed fertilizer granulation compound binding agent and preparation method and application |
| CN104446754A (en) * | 2014-11-10 | 2015-03-25 | 瓮福（集团）有限责任公司 | Method for producing high-sulfur ammonium sulfate |
| CN104387170A (en) * | 2014-11-10 | 2015-03-04 | 瓮福（集团）有限责任公司 | Production method of granular ammonium sulfate |
| CN105712807A (en) * | 2016-04-15 | 2016-06-29 | 史丹利化肥（平原）有限公司 | Compound fertilizer tackifying pelletizing agent |
| CN107913433A (en) * | 2016-10-09 | 2018-04-17 | 西安博恩生物科技有限公司 | A kind of preparation method for 3 D-printing degradable biological compatibility binding agent |
| CN108101653A (en) * | 2018-01-02 | 2018-06-01 | 北京三聚绿能科技有限公司 | A kind of leaf vegetables dedicated biomass charcoal base manure and preparation method thereof |
| CN109704863A (en) * | 2019-02-18 | 2019-05-03 | 湖北三宁化工股份有限公司 | A kind of bulky grain sulfur-containing nitrogen fertilizer and preparation method thereof |
| CN109796278B (en) * | 2019-03-29 | 2022-07-01 | 四川轻化工大学 | Preparation method of binder suitable for low-concentration compound fertilizer |
| CN112403391A (en) * | 2020-10-16 | 2021-02-26 | 湖北三宁化工股份有限公司 | Binder for producing large-particle ammonium sulfate and preparation method thereof |
| CN113387744B (en) * | 2021-05-26 | 2022-12-02 | 龙蟒大地农业有限公司 | Granular medium-element fertilizer based on phosphorite flotation tailings and preparation method thereof |
Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1203902A (en) * | 1998-07-15 | 1999-01-06 | 刘成才 | Multicomponent long-acting fertilizer |
| CN101337852A (en) * | 2008-06-26 | 2009-01-07 | 郭永明 | Fertiliser for culturing rice shoots and method for preparing same |
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2009
- 2009-06-05 CN CN2009101026099A patent/CN101570455B/en active Active
Patent Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1203902A (en) * | 1998-07-15 | 1999-01-06 | 刘成才 | Multicomponent long-acting fertilizer |
| CN101337852A (en) * | 2008-06-26 | 2009-01-07 | 郭永明 | Fertiliser for culturing rice shoots and method for preparing same |
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Address after: 550500 Guizhou Province, Qiannan Buyei and Miao Autonomous Prefecture Fuquan Racecourse town Yingbin Road No. 1 Wengfu group Patentee after: WENGFU GROUP Co.,Ltd. Address before: 550002 Guizhou Province, Guiyang City Road No. 57 Wengfu international 23 chief engineer office Patentee before: WENGFU GROUP Co.,Ltd. |