CN103288523A - Preparation method of Meijiajia composite diammonium phosphate and Meijiajia Composite diammonium phosphate - Google Patents
Preparation method of Meijiajia composite diammonium phosphate and Meijiajia Composite diammonium phosphate Download PDFInfo
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- CN103288523A CN103288523A CN2012100528403A CN201210052840A CN103288523A CN 103288523 A CN103288523 A CN 103288523A CN 2012100528403 A CN2012100528403 A CN 2012100528403A CN 201210052840 A CN201210052840 A CN 201210052840A CN 103288523 A CN103288523 A CN 103288523A
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- phosphoric acid
- diammonium phosphate
- good
- compound phosphoric
- ammoniums
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Abstract
The invention discloses a preparation method of Meijiajia composite diammonium phosphate. The preparation method comprises the following steps of: mixing ammonia and strong phosphoric acid in a pre-neutralizer to obtain slurry containing diammonium phosphate; adding ammonium sulfate and potassium sulfate into the pre-neutralizer for mixing and dissolving by a divided type multi-material stock bin and a measuring belt weighing device correspondingly connected to the divided type multi-material stock bin, wherein the weight ratio of the diammonium phosphate to the ammonium sulfate to the potassium sulfate is 41:5:4; carrying out spraying granulation by using the slurry containing the diammonium phosphate, the ammonium sulfate and the potassium sulfate to obtain a Meijiajia composite diammonium phosphate composite solid; and drying and screening the Meijiajia composite diammonium phosphate composite solid by a dryer and a classifier to obtain the Meijiajia composite diammonium phosphate.
Description
Technical field:
The present invention relates to diammonium phosphate manufacturing technology field, particularly the good first compound phosphoric acid two ammonium manufacture method of a kind of U.S. and U.S. good first compound phosphoric acid two ammoniums.
Background technology:
Diammonium phosphate is a kind of readily avaiable fertilizer of high density, is applicable to various crops and soil, is specially adapted to the crop that nitrophilous needs phosphorus, make base manure or topdress all can, suitable deep placement.
Yet the nutritive element that existing diammonium phosphate is supplied with plant mainly is nitrogen element, phosphoric, and its nutritive element is single can not to adapt to leaf vegetables, fruits crop, cress and fabaceous nutritional needs.
Summary of the invention:
In view of this, be necessary to provide a kind of good first compound phosphoric acid two ammonium manufacture method of U.S. that can produce good first compound phosphoric acid two ammoniums of U.S. that adapt to leaf vegetables, fruits crop, cress and fabaceous nutritional needs.
Also be necessary to provide a kind of good first compound phosphoric acid two ammoniums of U.S. that adapt to leaf vegetables, fruits crop, cress and fabaceous nutritional needs.
A kind of U.S. praises first compound phosphoric acid two ammonium manufacture method, may further comprise the steps:
In the pre-neutralization device, ammonia is mixed with strong phosphoric acid, to obtain to comprise the slurries of diammonium phosphate;
By many materials of cellular-type feed bin and with the measuring belt scale of the corresponding connection of many materials of cellular-type feed bin ammonium sulfate and vitriolate of tartar are joined the pre-neutralization device and carry out mixed dissolution, wherein the weight ratio of diammonium phosphate, ammonium sulfate and vitriolate of tartar is 41:5:4;
The slurries that utilization contains diammonium phosphate, ammonium sulfate and vitriolate of tartar carry out spray granulating, and form U.S. good first compound phosphoric acid two ammonium molectrons;
Utilize moisture eliminator, sifter that the good first compound phosphoric acid two ammonium molectrons of U.S. are carried out drying and screening, to obtain U.S. good first compound phosphoric acid two ammoniums.
A kind of U.S. praises first compound phosphoric acid two ammoniums, and good first compound phosphoric acid two ammoniums of this U.S. are particulate state, and good first compound phosphoric acid two ammoniums of this U.S. comprise diammonium phosphate, ammonium sulfate and vitriolate of tartar, and the weight ratio of diammonium phosphate, ammonium sulfate and vitriolate of tartar is 41:5:4.
Utilizing the nutrient content of good first compound phosphoric acid two ammoniums of U.S. that the good first compound phosphoric acid two ammonium manufacture method of above-mentioned U.S. produce to reach the granular diammonium phosphate nutrient of national traditional method is 53% criterion of acceptability, potassium, element sulphur can both improve the intensity of photosynthesis of plant in U.S. good first compound phosphoric acid two ammoniums, and potassium element can also promote to do the formation of starch, sugar and protein in the object, strengthen drought resisting, high temperature resistance, cold-resistant, disease-resistant, anti-salt and the ability such as resistant to lodging of crop, thereby improve the endurance that crop is resisted extraneous severe environment, crop is had the effect of stable and high yields.And the element sulphur in the fertilizer is the important component part of leguminous crop and other diazotroph nitrogenases, can improve the nitrogen-fixing efficiency of root nodule bacterium, strengthens fertilizer efficiency, reduces fruit drop; Nitrogen should be existed for prerequisite with sulphur by plant absorbing, so sulphur can promote the absorption of nitrogen, improve the utilization ratio of the nitrogen in two ammoniums, and potassium, sulphur compounding application has tangible interaction in the U.S. good first, execute potassium and improved the potassium assimilation effect executing the sulfenyl plinth, crop yield further improves.Use the validity that sulphur can improve other nutritive ingredients in the soil, the nutritional condition of plant is improved, the absorption of iron, manganese, zinc and boron strengthens, and pH in soil reduces.Adapt to leaf vegetables, fruits crop, cress and fabaceous nutritional needs.
Description of drawings:
Accompanying drawing 1 is the good first compound phosphoric acid two ammonium manufacture method schemas of U.S. of a preferred embodiments.
Among the figure: U.S. good first compound phosphoric acid two ammonium manufacture method step S601～S605
Embodiment:
The good first compound phosphoric acid two ammonium manufacture method of U.S. provided by the invention are applied to comprise in the good first compound phosphoric acid two ammonium manufacturing systems of U.S. of ammonia jar, strong phosphoric acid jar, many materials of cellular-type feed bin, measuring belt scale, pre-neutralization device, shurry pump, tablets press, moisture eliminator, sifter, crusher and belt feeder.By many materials of cellular-type feed bin and with the measuring belt scale of corresponding connections of feed hopper of many materials of cellular-type feed bin ammonium sulfate and vitriolate of tartar are joined pre-neutralization device and the slurries mixed dissolution that contains diammonium phosphate, carry out granulating and drying operation back acquisition U.S. again and praise first compound phosphoric acid two ammoniums.
Please be simultaneously referring to as Fig. 1, this U.S. praises first compound phosphoric acid two ammonium manufacture method and may further comprise the steps:
Step S601 mixes ammonia in the pre-neutralization device with strong phosphoric acid, to obtain to comprise the slurries of diammonium phosphate.Wherein, ammonia jar, strong phosphoric acid jar are connected with the pre-neutralization device, and the ammonia jar provides ammonia, strong phosphoric acid jar to provide strong phosphoric acid to the pre-neutralization device.
Step S602, by many materials of cellular-type feed bin and with the measuring belt scale of the corresponding connection of many materials of cellular-type feed bin ammonium sulfate and vitriolate of tartar are joined the pre-neutralization device and carry out mixed dissolution, wherein the weight ratio of diammonium phosphate, ammonium sulfate and vitriolate of tartar is 41:5:4.
Step S603 utilizes the slurries that contain diammonium phosphate, ammonium sulfate and vitriolate of tartar to carry out spray granulating, and forms U.S. good first compound phosphoric acid two ammonium molectrons.Wherein, utilize the slurries that shurry pump will contain diammonium phosphate, ammonium sulfate and vitriolate of tartar to be transported in the tablets press with Sprayable; so that tablets press carries out the granulation operation to the slurries that contain diammonium phosphate, ammonium sulfate and vitriolate of tartar, and form U.S. good first compound phosphoric acid two ammonium molectrons.For example, tablets press is the drum-type tablets press.
Step S604 utilizes moisture eliminator, sifter that the good first compound phosphoric acid two ammonium molectrons of U.S. are carried out drying and screening, to obtain U.S. good first compound phosphoric acid two ammoniums.
Step S605 utilizes sifter that the size that filters out is flowed to crusher and the size that filters out is flowed to tablets press granulation again less than good first compound phosphoric acid two ammoniums of U.S. of product size standard greater than good first compound phosphoric acid two ammoniums of U.S. of product size standard.In the present embodiment, the product size standard is 1 to 4mm for the diameter of U.S. good first compound phosphoric acid two ammonium particles, and good first compound phosphoric acid two ammoniums of U.S. that do not meet the product size standard by belt feeder are transported to tablets press again as returning charge.
Utilizing the nutrient content of good first compound phosphoric acid two ammoniums of U.S. that the good first compound phosphoric acid two ammonium manufacture method of above-mentioned U.S. produce to reach the granular diammonium phosphate nutrient of national traditional method is 53% criterion of acceptability, potassium, element sulphur can both improve the intensity of photosynthesis of plant in U.S. good first compound phosphoric acid two ammoniums, and potassium element can also promote to do the formation of starch, sugar and protein in the object, strengthen drought resisting, high temperature resistance, cold-resistant, disease-resistant, anti-salt and the ability such as resistant to lodging of crop, thereby improve the endurance that crop is resisted extraneous severe environment, crop is had the effect of stable and high yields.And the element sulphur in the fertilizer is the important component part of leguminous crop and other diazotroph nitrogenases, can improve the nitrogen-fixing efficiency of root nodule bacterium, strengthens fertilizer efficiency, reduces fruit drop; Nitrogen should be existed for prerequisite with sulphur by plant absorbing, so sulphur can promote the absorption of nitrogen, improve the utilization ratio of the nitrogen in two ammoniums, and potassium, sulphur compounding application has tangible interaction in the U.S. good first, execute potassium and improved the potassium assimilation effect executing the sulfenyl plinth, crop yield further improves.Use the validity that sulphur can improve other nutritive ingredients in the soil, the nutritional condition of plant is improved, the absorption of iron, manganese, zinc and boron strengthens, and pH in soil reduces.Adapt to leaf vegetables, fruits crop, cress and fabaceous nutritional needs.Good first compound phosphoric acid two ammoniums of U.S. that utilize the good first compound phosphoric acid two ammonium manufacture method of above-mentioned U.S. to produce can make nitrogen loss reduce 63%, save fertilizer amount 20% ~ 30%; Under the situation of rate of fertilizer application minimizing 25%, crop yield 8% ~ 18%.
Claims (3)
1. U.S. praises first compound phosphoric acid two ammonium manufacture method, may further comprise the steps:
In the pre-neutralization device, ammonia is mixed with strong phosphoric acid, to obtain to comprise the slurries of diammonium phosphate;
By many materials of cellular-type feed bin and with the measuring belt scale of the corresponding connection of many materials of cellular-type feed bin ammonium sulfate and vitriolate of tartar are joined the pre-neutralization device and carry out mixed dissolution, wherein the weight ratio of diammonium phosphate, ammonium sulfate and vitriolate of tartar is 41:5:4;
The slurries that utilization contains diammonium phosphate, ammonium sulfate and vitriolate of tartar carry out spray granulating, and form U.S. good first compound phosphoric acid two ammonium molectrons;
Utilize moisture eliminator, sifter that the good first compound phosphoric acid two ammonium molectrons of U.S. are carried out drying and screening, to obtain U.S. good first compound phosphoric acid two ammoniums.
2. U.S. according to claim 1 praises first compound phosphoric acid two ammonium manufacture method; it is characterized in that, further comprising the steps of: as to utilize sifter that the size that filters out is flowed to crusher and the size that filters out is flowed to tablets press granulation again less than good first compound phosphoric acid two ammoniums of U.S. of product size standard greater than good first compound phosphoric acid two ammoniums of U.S. of product size standard.
3. U.S. praises first compound phosphoric acid two ammoniums, and good first compound phosphoric acid two ammoniums of this U.S. are particulate state, it is characterized in that: good first compound phosphoric acid two ammoniums of this U.S. comprise diammonium phosphate, ammonium sulfate and vitriolate of tartar, and the weight ratio of diammonium phosphate, ammonium sulfate and vitriolate of tartar is 41:5:4.
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| CN2012100528403A CN103288523A (en) | 2012-03-02 | 2012-03-02 | Preparation method of Meijiajia composite diammonium phosphate and Meijiajia Composite diammonium phosphate |
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103693999A (en) * | 2013-12-03 | 2014-04-02 | 宁夏鲁西化工化肥有限公司 | Diammonium phosphate fertilizer containing manganese |
| CN103708879A (en) * | 2013-12-11 | 2014-04-09 | 宁夏鲁西化工化肥有限公司 | Boron-containing diammonium phosphate fertilizer |
| CN103787723A (en) * | 2014-02-25 | 2014-05-14 | 宁夏鲁西化工化肥有限公司 | Preparation method of sulfur-zinc composite diammonium phosphate and sulfur-zinc composite diammonium phosphate |
Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB954222A (en) * | 1959-10-28 | 1964-04-02 | Panmetals And Processes Inc | Method for preparing diammonium phosphate, starting from phosphoric acid produced bythe wet process |
| US3317276A (en) * | 1966-10-24 | 1967-05-02 | Mississippi Chem Corp | Stabilized ammonium nitrate compositions and their production |
| 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 |
-
2012
- 2012-03-02 CN CN2012100528403A patent/CN103288523A/en active Pending
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB954222A (en) * | 1959-10-28 | 1964-04-02 | Panmetals And Processes Inc | Method for preparing diammonium phosphate, starting from phosphoric acid produced bythe wet process |
| US3317276A (en) * | 1966-10-24 | 1967-05-02 | Mississippi Chem Corp | Stabilized ammonium nitrate compositions and their production |
| 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 |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103693999A (en) * | 2013-12-03 | 2014-04-02 | 宁夏鲁西化工化肥有限公司 | Diammonium phosphate fertilizer containing manganese |
| CN103708879A (en) * | 2013-12-11 | 2014-04-09 | 宁夏鲁西化工化肥有限公司 | Boron-containing diammonium phosphate fertilizer |
| CN103787723A (en) * | 2014-02-25 | 2014-05-14 | 宁夏鲁西化工化肥有限公司 | Preparation method of sulfur-zinc composite diammonium phosphate and sulfur-zinc composite diammonium phosphate |
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Application publication date: 20130911 |