CN103787723A - Preparation method of sulfur-zinc composite diammonium phosphate and sulfur-zinc composite diammonium phosphate - Google Patents
Preparation method of sulfur-zinc composite diammonium phosphate and sulfur-zinc composite diammonium phosphate Download PDFInfo
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- CN103787723A CN103787723A CN201410062807.8A CN201410062807A CN103787723A CN 103787723 A CN103787723 A CN 103787723A CN 201410062807 A CN201410062807 A CN 201410062807A CN 103787723 A CN103787723 A CN 103787723A
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- phosphoric acid
- diammonium phosphate
- sulphur
- zinc
- slurries
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Abstract
The invention discloses sulfur-zinc composite diammonium phosphate which comprises diammonium phosphate and sulfur-zinc-containing nutritive salt. The invention further provides a preparation method of the sulfur-zinc composite diammonium phosphate. According to the sulfur-zinc composite diammonium phosphate, the sustainable effect on crops is effectively improved, the utilization rate of nitrogen in a fertilizer is increased, and the fertilizer loss in season is reduced; the nitrogen loss can be reduced by 63%, the usage amount of the chemical fertilizer can be saved by 20%-30%, sulfate radicals in the fertilizer has an effect of protecting phosphate radicals, the calcification of the phosphate radicals can be reduced, the ionic state of the phosphate radicals can be kept, the phosphate radicals can be conveniently absorbed by the crops, and the phosphorus absorption rate can be increased by 30%.
Description
technical field:
The present invention relates to fertilizer field, particularly a kind of sulphur zinc compound phosphoric acid two ammonium manufacture method and sulphur zinc compound phosphoric acid two ammoniums.
background technology:
The diammonium phosphate of producing according to Traditional Method, squeezes into neutralizing well by strong phosphoric acid and vapour ammonia and carries out pre-neutralization reaction, then enters the neutralization of ammoniation granulator secondary, fully after reaction, and granulation successively, dry, screening and packing, the final qualified diammonium phosphate finished product of output.Utilize aforesaid method, the diammonium phosphate of making only has nitrogenous, phosphorus, and product component element is few, and structure is single, and the fertilizer that process of crop growth need repeatedly be used different varieties causes fertilizer waste.
summary of the invention:
In view of this, be necessary to provide a kind of sulphur zinc compound phosphoric acid two ammonium manufacture method.
Also be necessary to provide a kind of sulphur zinc compound phosphoric acid two ammoniums.
A kind of sulphur zinc compound phosphoric acid two ammonium manufacture method, comprise the following steps:
Thereby ammonia is mixed to the slurries that obtain diammonium phosphate in pre-neutralization device with strong phosphoric acid;
The nutritive salt that contains sulphur and zinc is joined in the slurries of pre-neutralization device;
Adopt mashing pump that the mixed solution of nutritive salt and slurries is transported in tablets press, carry out granulation operation, the mixed solution of slurries and nutritive salt is made into particle, adopt injector to spray the diammonium phosphate molectron of ammonia formation sulfur-bearing and zinc to particle surface;
Utilize moisture eliminator, sifter that the diammonium phosphate molectron of sulfur-bearing and zinc is dried and is screened, to obtain sulphur zinc compound phosphoric acid two ammoniums.
In above-mentioned sulphur zinc compound phosphoric acid two ammonium manufacture method, nutritive salt comprises ammonium sulfate and zinc sulfate, and wherein the content of element sulphur in nutritive salt is more than or equal to 4%, and the content of zinc element in nutritive salt is more than or equal to 1%.
In the manufacture method of above-mentioned sulphur zinc compound phosphoric acid two ammoniums, in the slurries of the diammonium phosphate of acquisition, comprise N and P
2o
5, wherein the content of N in the slurries of diammonium phosphate is more than or equal to 15%, P
2o
5content in the slurries of diammonium phosphate is more than or equal to 39%.
In sulphur zinc compound phosphoric acid two ammonium manufacture method, equipment used comprises ammonia tank, strong phosphoric acid tank, handling equipment, pre-neutralization device, shurry pump, tablets press, moisture eliminator and sifter; Handling equipment is for delivering to the Nutrient Transportation of sulfur-bearing and zinc in tablets press; The strong phosphoric acid that pre-neutralization device provides with strong phosphoric acid tank for the ammonia that ammonia tank is provided mixes to obtain the slurries that comprise diammonium phosphate; Shurry pump is for being transported to slurries in tablets press; Tablets press is used for slurries, nutritive salt, ammonia, carries out granulation operation, and forms the diammonium phosphate molectron of sulfur-bearing and zinc; Moisture eliminator is for being dried the diammonium phosphate molectron of sulfur-bearing and zinc; Sifter is for screening the diammonium phosphate molectron of dried sulfur-bearing and zinc, to obtain sulphur zinc compound phosphoric acid two ammoniums.
A kind of sulphur zinc compound phosphoric acid two ammoniums, comprise the nutritive salt of diammonium phosphate, sulfur-bearing and zinc.
Nutritive salt in sulphur zinc compound phosphoric acid two ammoniums comprises ammonium sulfate and zinc sulfate, and wherein the content of element sulphur in nutritive salt is more than or equal to 4%, and the content of zinc element in nutritive salt is more than or equal to 1%.
Diammonium phosphate in sulphur zinc compound phosphoric acid two ammoniums comprises N and P
2o
5, wherein the content of N in the slurries of diammonium phosphate is more than or equal to 15%, P
2o
5content in the slurries of diammonium phosphate is more than or equal to 39%.
The present invention is in existing Traditional Method process production techniques, the material lift that sulphur ammonium and zinc sulfate etc. are contained to the required moderate-element of crop is mentioned certain altitude and is added the many material silos of cellular-type by conveyor, add in proportion neutralizing well by measuring belt scale again, be dissolved in slip spray granulating together completely.Follow-up workshop section still utilizes prior art production process, thereby obtains novel sulphur zinc compound phosphoric acid two ammoniums.Make like this other element and fertilizer closely carry out combination, produce sulphur zinc compound phosphoric acid two ammoniums that merge form completely, in plant growing process, meet the needs to moderate-element.
Adopt the present invention effectively to improve the persistence to farm crop, improved Nitrogen utilization ratio, reduce this season fertilizer loss.Can make nitrogen loss reduce 63%, save fertilizer amount 20% ~ 30%, in fertilizer, sulfate radical can play the effect of protection phosphate radical, reduces the calcification of phosphate radical, keeps the ionic state of phosphate radical, is convenient to Crop, can make the specific absorption increase rate of phosphorus reach 30%.
embodiment:
Sulphur zinc compound phosphoric acid two ammonium manufacture method, comprise the following steps:
Thereby ammonia is mixed to the slurries that obtain diammonium phosphate in pre-neutralization device with strong phosphoric acid;
The nutritive salt that contains sulphur and zinc is joined in the slurries of pre-neutralization device;
Adopt mashing pump that the mixed solution of nutritive salt and slurries is transported in tablets press, carry out granulation operation, the mixed solution of slurries and nutritive salt is made into particle, adopt injector to spray the diammonium phosphate molectron of ammonia formation sulfur-bearing and zinc to particle surface;
Utilize moisture eliminator, sifter that the diammonium phosphate molectron of sulfur-bearing and zinc is dried and is screened, to obtain sulphur zinc compound phosphoric acid two ammoniums.
In above-mentioned sulphur zinc compound phosphoric acid two ammonium manufacture method, nutritive salt comprises ammonium sulfate and zinc sulfate, and wherein the content of element sulphur in nutritive salt is more than or equal to 4%, and the content of zinc element in nutritive salt is more than or equal to 1%.
In the manufacture method of above-mentioned sulphur zinc compound phosphoric acid two ammoniums, in the slurries of the diammonium phosphate of acquisition, comprise N and P
2o
5, wherein the content of N in the slurries of diammonium phosphate is more than or equal to 15%, P
2o
5content in the slurries of diammonium phosphate is more than or equal to 39%.
In sulphur zinc compound phosphoric acid two ammonium manufacture method, equipment used comprises ammonia tank, strong phosphoric acid tank, handling equipment, pre-neutralization device, shurry pump, tablets press, moisture eliminator and sifter; Handling equipment is for delivering to the Nutrient Transportation of sulfur-bearing and zinc in tablets press; The strong phosphoric acid that pre-neutralization device provides with strong phosphoric acid tank for the ammonia that ammonia tank is provided mixes to obtain the slurries that comprise diammonium phosphate; Shurry pump is for being transported to slurries in tablets press; Tablets press is used for slurries, nutritive salt, ammonia, carries out granulation operation, and forms the diammonium phosphate molectron of sulfur-bearing and zinc; Moisture eliminator is for being dried the diammonium phosphate molectron of sulfur-bearing and zinc; Sifter is for screening the diammonium phosphate molectron of dried sulfur-bearing and zinc, to obtain sulphur zinc compound phosphoric acid two ammoniums.
Sulphur zinc compound phosphoric acid two ammoniums, comprise the nutritive salt of diammonium phosphate, sulfur-bearing and zinc.
Nutritive salt in sulphur zinc compound phosphoric acid two ammoniums comprises ammonium sulfate and zinc sulfate, and wherein the content of element sulphur in nutritive salt is more than or equal to 4%, and the content of zinc element in nutritive salt is more than or equal to 1%.
Diammonium phosphate in sulphur zinc compound phosphoric acid two ammoniums comprises N and P
2o
5, wherein the content of N in the slurries of diammonium phosphate is more than or equal to 15%, P
2o
5content in the slurries of diammonium phosphate is more than or equal to 39%.
The present invention is in existing Traditional Method process production techniques, the material lift that sulphur ammonium and zinc sulfate etc. are contained to the required moderate-element of crop is mentioned certain altitude and is added the many material silos of cellular-type by conveyor, add in proportion neutralizing well by measuring belt scale again, be dissolved in slip spray granulating together completely.Follow-up workshop section still utilizes prior art production process, thereby obtains novel sulphur zinc compound phosphoric acid two ammoniums.Make like this other element and fertilizer closely carry out combination, produce sulphur zinc compound phosphoric acid two ammoniums that merge form completely, in plant growing process, meet the needs to moderate-element.
Adopt the present invention effectively to improve the persistence to farm crop, improved Nitrogen utilization ratio, reduce this season fertilizer loss.Can make nitrogen loss reduce 63%, save fertilizer amount 20% ~ 30%, in fertilizer, sulfate radical can play the effect of protection phosphate radical, reduces the calcification of phosphate radical, keeps the ionic state of phosphate radical, is convenient to Crop, can make the specific absorption increase rate of phosphorus reach 30%.
Claims (7)
1. sulphur zinc compound phosphoric acid two ammonium manufacture method, is characterized in that: sulphur zinc compound phosphoric acid two ammonium manufacture method comprise the following steps:
Thereby ammonia is mixed to the slurries that obtain diammonium phosphate in pre-neutralization device with strong phosphoric acid;
The nutritive salt that contains sulphur and zinc is joined in the slurries of pre-neutralization device;
Adopt mashing pump that the mixed solution of nutritive salt and slurries is transported in tablets press, carry out granulation operation, the mixed solution of slurries and nutritive salt is made into particle, adopt injector to spray the diammonium phosphate molectron of ammonia formation sulfur-bearing and zinc to particle surface;
Utilize moisture eliminator, sifter that the diammonium phosphate molectron of sulfur-bearing and zinc is dried and is screened, to obtain sulphur zinc compound phosphoric acid two ammoniums.
2. sulphur zinc compound phosphoric acid two ammonium manufacture method as claimed in claim 1, it is characterized in that: in above-mentioned sulphur zinc compound phosphoric acid two ammonium manufacture method, nutritive salt comprises ammonium sulfate and zinc sulfate, wherein the content of element sulphur in nutritive salt is more than or equal to 4%, and the content of zinc element in nutritive salt is more than or equal to 1%.
3. sulphur zinc compound phosphoric acid two ammonium manufacture method as claimed in claim 1, is characterized in that: in the manufacture method of above-mentioned sulphur zinc compound phosphoric acid two ammoniums, comprise N and P in the slurries of the diammonium phosphate of acquisition
2o
5, wherein the content of N in the slurries of diammonium phosphate is more than or equal to 15%, P
2o
5content in the slurries of diammonium phosphate is more than or equal to 39%.
4. sulphur zinc compound phosphoric acid two ammonium manufacture method as claimed in claim 1, is characterized in that: in sulphur zinc compound phosphoric acid two ammonium manufacture method, equipment used comprises ammonia tank, strong phosphoric acid tank, handling equipment, pre-neutralization device, shurry pump, tablets press, moisture eliminator and sifter; Handling equipment is for delivering to the Nutrient Transportation of sulfur-bearing and zinc in tablets press; The strong phosphoric acid that pre-neutralization device provides with strong phosphoric acid tank for the ammonia that ammonia tank is provided mixes to obtain the slurries that comprise diammonium phosphate; Shurry pump is for being transported to slurries in tablets press; Tablets press is used for slurries, nutritive salt, ammonia, carries out granulation operation, and forms the diammonium phosphate molectron of sulfur-bearing and zinc; Moisture eliminator is for being dried the diammonium phosphate molectron of sulfur-bearing and zinc; Sifter is for screening the diammonium phosphate molectron of dried sulfur-bearing and zinc, to obtain sulphur zinc compound phosphoric acid two ammoniums.
5. sulphur zinc compound phosphoric acid two ammoniums, is characterized in that: sulphur zinc compound phosphoric acid two ammoniums comprise the nutritive salt of diammonium phosphate, sulfur-bearing and zinc.
6. sulphur zinc compound phosphoric acid as claimed in claim 5 two ammoniums, it is characterized in that: the nutritive salt in sulphur zinc compound phosphoric acid two ammoniums comprises ammonium sulfate and zinc sulfate, wherein the content of element sulphur in nutritive salt is more than or equal to 4%, and the content of zinc element in nutritive salt is more than or equal to 1%.
7. sulphur zinc compound phosphoric acid as claimed in claim 5 two ammoniums, is characterized in that: the diammonium phosphate in sulphur zinc compound phosphoric acid two ammoniums comprises N and P
2o
5, wherein the content of N in the slurries of diammonium phosphate is more than or equal to 15%, P
2o
5content in the slurries of diammonium phosphate is more than or equal to 39%.
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410062807.8A CN103787723A (en) | 2014-02-25 | 2014-02-25 | Preparation method of sulfur-zinc composite diammonium phosphate and sulfur-zinc composite diammonium phosphate |
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|---|---|---|---|
| CN201410062807.8A CN103787723A (en) | 2014-02-25 | 2014-02-25 | Preparation method of sulfur-zinc composite diammonium phosphate and sulfur-zinc composite diammonium phosphate |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106083284A (en) * | 2016-05-31 | 2016-11-09 | 湖北富邦科技股份有限公司 | A kind of sulfur-bearing zinc MAP enhanced fertilizer and production method thereof |
| CN110590479A (en) * | 2019-09-20 | 2019-12-20 | 瓮福达州化工有限责任公司 | Composite phosphate fertilizer containing magnesium and zinc elements and preparation method thereof |
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|---|---|---|---|---|
| RU2144000C1 (en) * | 1998-06-30 | 2000-01-10 | Открытое акционерное общество "Уралкалий" | Method of preparing potassium sulfate and complex fertilizer |
| CN101723743A (en) * | 2009-12-25 | 2010-06-09 | 聊城鲁西化工第四化肥厂 | Pelletizing production method of compound fertilizer |
| CN101935254A (en) * | 2010-08-26 | 2011-01-05 | 宁夏鲁西化工化肥有限公司 | Multi-element compound diammonium phosphate and production method and system thereof |
| CN202047017U (en) * | 2010-10-21 | 2011-11-23 | 宁夏鲁西化工化肥有限公司 | Urea formaldehyde compound DAP (diammonium phosphate) preparation system |
| CN202148267U (en) * | 2010-08-26 | 2012-02-22 | 宁夏鲁西化工化肥有限公司 | Production system of multielement composite diammonium phosphate |
| CN103288523A (en) * | 2012-03-02 | 2013-09-11 | 宁夏鲁西化工化肥有限公司 | Preparation method of Meijiajia composite diammonium phosphate and Meijiajia Composite diammonium phosphate |
| CN103288525A (en) * | 2012-03-02 | 2013-09-11 | 宁夏鲁西化工化肥有限公司 | Sustained-release diammonium phosphate preparation method and system and sustained-release diammonium phosphate |
-
2014
- 2014-02-25 CN CN201410062807.8A patent/CN103787723A/en active Pending
Patent Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| RU2144000C1 (en) * | 1998-06-30 | 2000-01-10 | Открытое акционерное общество "Уралкалий" | Method of preparing potassium sulfate and complex fertilizer |
| CN101723743A (en) * | 2009-12-25 | 2010-06-09 | 聊城鲁西化工第四化肥厂 | Pelletizing production method of compound fertilizer |
| CN101935254A (en) * | 2010-08-26 | 2011-01-05 | 宁夏鲁西化工化肥有限公司 | Multi-element compound diammonium phosphate and production method and system thereof |
| CN202148267U (en) * | 2010-08-26 | 2012-02-22 | 宁夏鲁西化工化肥有限公司 | Production system of multielement composite diammonium phosphate |
| CN202047017U (en) * | 2010-10-21 | 2011-11-23 | 宁夏鲁西化工化肥有限公司 | Urea formaldehyde compound DAP (diammonium phosphate) preparation system |
| CN103288523A (en) * | 2012-03-02 | 2013-09-11 | 宁夏鲁西化工化肥有限公司 | Preparation method of Meijiajia composite diammonium phosphate and Meijiajia Composite diammonium phosphate |
| CN103288525A (en) * | 2012-03-02 | 2013-09-11 | 宁夏鲁西化工化肥有限公司 | Sustained-release diammonium phosphate preparation method and system and sustained-release diammonium phosphate |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106083284A (en) * | 2016-05-31 | 2016-11-09 | 湖北富邦科技股份有限公司 | A kind of sulfur-bearing zinc MAP enhanced fertilizer and production method thereof |
| CN110590479A (en) * | 2019-09-20 | 2019-12-20 | 瓮福达州化工有限责任公司 | Composite phosphate fertilizer containing magnesium and zinc elements and preparation method thereof |
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Application publication date: 20140514 |