CN104725097B - The method of steel band granulation production full water-soluble potassium ammonium nitrate magnesium - Google Patents
The method of steel band granulation production full water-soluble potassium ammonium nitrate magnesium Download PDFInfo
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- CN104725097B CN104725097B CN201510123046.7A CN201510123046A CN104725097B CN 104725097 B CN104725097 B CN 104725097B CN 201510123046 A CN201510123046 A CN 201510123046A CN 104725097 B CN104725097 B CN 104725097B
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- nitrate
- magnesium
- potassium
- ammonium
- concentrate
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- 229910000831 Steel Inorganic materials 0.000 title claims abstract description 28
- 239000010959 steel Substances 0.000 title claims abstract description 28
- HVMDWCKUQMPXPO-UHFFFAOYSA-O [Mg].[K].[N+](=O)([O-])[O-].[NH4+] Chemical compound [Mg].[K].[N+](=O)([O-])[O-].[NH4+] HVMDWCKUQMPXPO-UHFFFAOYSA-O 0.000 title claims abstract description 24
- 238000004519 manufacturing process Methods 0.000 title claims abstract description 18
- 238000000034 method Methods 0.000 title claims abstract description 18
- 238000005469 granulation Methods 0.000 title claims abstract description 16
- 230000003179 granulation Effects 0.000 title claims abstract description 16
- FGIUAXJPYTZDNR-UHFFFAOYSA-N potassium nitrate Chemical compound [K+].[O-][N+]([O-])=O FGIUAXJPYTZDNR-UHFFFAOYSA-N 0.000 claims abstract description 99
- KWYUFKZDYYNOTN-UHFFFAOYSA-M Potassium hydroxide Chemical compound [OH-].[K+] KWYUFKZDYYNOTN-UHFFFAOYSA-M 0.000 claims abstract description 94
- YIXJRHPUWRPCBB-UHFFFAOYSA-N magnesium nitrate Chemical compound [Mg+2].[O-][N+]([O-])=O.[O-][N+]([O-])=O YIXJRHPUWRPCBB-UHFFFAOYSA-N 0.000 claims abstract description 59
- 239000004323 potassium nitrate Substances 0.000 claims abstract description 42
- 235000010333 potassium nitrate Nutrition 0.000 claims abstract description 42
- GRYLNZFGIOXLOG-UHFFFAOYSA-N Nitric acid Chemical compound O[N+]([O-])=O GRYLNZFGIOXLOG-UHFFFAOYSA-N 0.000 claims abstract description 12
- 229910017604 nitric acid Inorganic materials 0.000 claims abstract description 12
- CPLXHLVBOLITMK-UHFFFAOYSA-N Magnesium oxide Chemical compound [Mg]=O CPLXHLVBOLITMK-UHFFFAOYSA-N 0.000 claims description 58
- 239000012141 concentrate Substances 0.000 claims description 45
- 238000006243 chemical reaction Methods 0.000 claims description 36
- 239000000706 filtrate Substances 0.000 claims description 36
- 239000000395 magnesium oxide Substances 0.000 claims description 29
- 238000003756 stirring Methods 0.000 claims description 26
- 239000000428 dust Substances 0.000 claims description 20
- 238000001704 evaporation Methods 0.000 claims description 18
- 238000006386 neutralization reaction Methods 0.000 claims description 18
- PAWQVTBBRAZDMG-UHFFFAOYSA-N 2-(3-bromo-2-fluorophenyl)acetic acid Chemical compound OC(=O)CC1=CC=CC(Br)=C1F PAWQVTBBRAZDMG-UHFFFAOYSA-N 0.000 claims description 14
- 239000000047 product Substances 0.000 claims description 14
- -1 EDTA- manganese Substances 0.000 claims description 10
- 238000001816 cooling Methods 0.000 claims description 10
- JVXHQHGWBAHSSF-UHFFFAOYSA-L 2-[2-[bis(carboxylatomethyl)amino]ethyl-(carboxylatomethyl)amino]acetate;hydron;iron(2+) Chemical compound [H+].[H+].[Fe+2].[O-]C(=O)CN(CC([O-])=O)CCN(CC([O-])=O)CC([O-])=O JVXHQHGWBAHSSF-UHFFFAOYSA-L 0.000 claims description 9
- 244000025254 Cannabis sativa Species 0.000 claims description 9
- 239000011609 ammonium molybdate Substances 0.000 claims description 9
- APUPEJJSWDHEBO-UHFFFAOYSA-P ammonium molybdate Chemical compound [NH4+].[NH4+].[O-][Mo]([O-])(=O)=O APUPEJJSWDHEBO-UHFFFAOYSA-P 0.000 claims description 9
- 235000018660 ammonium molybdate Nutrition 0.000 claims description 9
- 229940010552 ammonium molybdate Drugs 0.000 claims description 9
- KGBXLFKZBHKPEV-UHFFFAOYSA-N boric acid Chemical compound OB(O)O KGBXLFKZBHKPEV-UHFFFAOYSA-N 0.000 claims description 9
- 239000004327 boric acid Substances 0.000 claims description 9
- 229910052802 copper Inorganic materials 0.000 claims description 9
- 239000010949 copper Substances 0.000 claims description 9
- 230000008020 evaporation Effects 0.000 claims description 9
- 239000011701 zinc Substances 0.000 claims description 9
- 229910052725 zinc Inorganic materials 0.000 claims description 9
- PRORZGWHZXZQMV-UHFFFAOYSA-N azane;nitric acid Chemical compound N.O[N+]([O-])=O PRORZGWHZXZQMV-UHFFFAOYSA-N 0.000 claims 1
- 239000003337 fertilizer Substances 0.000 abstract description 30
- 239000011777 magnesium Substances 0.000 abstract description 12
- 229910052749 magnesium Inorganic materials 0.000 abstract description 12
- FYYHWMGAXLPEAU-UHFFFAOYSA-N Magnesium Chemical compound [Mg] FYYHWMGAXLPEAU-UHFFFAOYSA-N 0.000 abstract description 11
- 229940072033 potash Drugs 0.000 abstract description 8
- BWHMMNNQKKPAPP-UHFFFAOYSA-L potassium carbonate Substances [K+].[K+].[O-]C([O-])=O BWHMMNNQKKPAPP-UHFFFAOYSA-L 0.000 abstract description 8
- 235000015320 potassium carbonate Nutrition 0.000 abstract description 8
- 235000015097 nutrients Nutrition 0.000 abstract description 6
- 230000015572 biosynthetic process Effects 0.000 abstract description 5
- 238000003786 synthesis reaction Methods 0.000 abstract description 5
- AOFSUBOXJFKGAZ-UHFFFAOYSA-O azanium nitric acid nitrate Chemical compound [NH4+].O[N+]([O-])=O.[O-][N+]([O-])=O AOFSUBOXJFKGAZ-UHFFFAOYSA-O 0.000 abstract description 4
- 238000002156 mixing Methods 0.000 abstract description 4
- GAADYUURCXHWDC-UHFFFAOYSA-N N.[Mg+2].[K+] Chemical compound N.[Mg+2].[K+] GAADYUURCXHWDC-UHFFFAOYSA-N 0.000 abstract description 2
- JWSMTBMIGYJJJM-UHFFFAOYSA-N magnesium;azane Chemical compound N.[Mg+2] JWSMTBMIGYJJJM-UHFFFAOYSA-N 0.000 abstract description 2
- 238000004806 packaging method and process Methods 0.000 abstract description 2
- 239000000126 substance Substances 0.000 abstract description 2
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 abstract description 2
- 239000002253 acid Substances 0.000 description 12
- 239000007788 liquid Substances 0.000 description 10
- QGZKDVFQNNGYKY-UHFFFAOYSA-O Ammonium Chemical compound [NH4+] QGZKDVFQNNGYKY-UHFFFAOYSA-O 0.000 description 8
- ZLMJMSJWJFRBEC-UHFFFAOYSA-N Potassium Chemical compound [K] ZLMJMSJWJFRBEC-UHFFFAOYSA-N 0.000 description 3
- 230000000694 effects Effects 0.000 description 3
- 238000001914 filtration Methods 0.000 description 3
- 239000011591 potassium Substances 0.000 description 3
- 229910052700 potassium Inorganic materials 0.000 description 3
- 230000000243 photosynthetic effect Effects 0.000 description 2
- 241000196324 Embryophyta Species 0.000 description 1
- 102000004190 Enzymes Human genes 0.000 description 1
- 108090000790 Enzymes Proteins 0.000 description 1
- SNNUUXJFRJODOJ-UHFFFAOYSA-N [Mg++].[K+].[O-][N+]([O-])=O.[O-][N+]([O-])=O.[O-][N+]([O-])=O Chemical compound [Mg++].[K+].[O-][N+]([O-])=O.[O-][N+]([O-])=O.[O-][N+]([O-])=O SNNUUXJFRJODOJ-UHFFFAOYSA-N 0.000 description 1
- 238000011049 filling Methods 0.000 description 1
- 238000009472 formulation Methods 0.000 description 1
- 229910052739 hydrogen Inorganic materials 0.000 description 1
- 239000001257 hydrogen Substances 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 239000000203 mixture Substances 0.000 description 1
- 230000029553 photosynthesis Effects 0.000 description 1
- 238000010672 photosynthesis Methods 0.000 description 1
- 229910001950 potassium oxide Inorganic materials 0.000 description 1
- 150000003839 salts Chemical class 0.000 description 1
- 241000894007 species Species 0.000 description 1
- 238000010025 steaming Methods 0.000 description 1
Classifications
-
- C—CHEMISTRY; METALLURGY
- C05—FERTILISERS; MANUFACTURE THEREOF
- C05C—NITROGENOUS FERTILISERS
- C05C1/00—Ammonium nitrate fertilisers
Landscapes
- Chemical & Material Sciences (AREA)
- Organic Chemistry (AREA)
- Fertilizers (AREA)
Abstract
The present invention relates to the production method of chemical fertilizer, specially a kind of method of steel band granulation production full water-soluble potassium ammonium nitrate magnesium.It is only the technical problem that the simple blending of potash fertilizer and fertiliser containing magnesium, quality are not sufficiently stable and easily lumpd to solve current potassic-magnesian fertilizer technique.Emphasis of the present invention is the optimal proportion for having searched out potassium nitrate, magnesium nitrate and ammonium nitrate nitric acid synthesis ammonium potassium magnesium, first by magnesium nitrate and ammonium nitrate nitric acid synthesis ammonium magnesium in specific proportions, the addition of potassium nitrate is further determined that on this basis, the nitric acid ca and mg fertilizer so obtained thoroughly solves caking phenomenon, content is uniform, and nutrient wide variety.The synergy of potash fertilizer and fertiliser containing magnesium is utilized.Potassium nitrate magnesium produced by the invention is hemispherical sheet, and product is dissolved in water for limpid clear solution, solve product easily lump, quality instability problem, it is and many compared with single fertilizer nutrient species, save packaging and peasant household be using more facilitating.
Description
Technical field
The present invention relates to the production method of chemical fertilizer, specially a kind of side of steel band granulation production full water-soluble potassium ammonium nitrate magnesium
Method.
Background technology
Research shows that a variety of enzymes participate in photosynthesis in potassium energy activated plant body, while it is photosynthetic that magnesium elements can be cooperateed with to promote
Effect is carried out, therefore crop applying potassic-magnesian fertilizer is more obvious than single administration potash fertilizer or fertiliser containing magnesium effect, but existing potassic-magnesian fertilizer technique
The only simple blending of potash fertilizer and fertiliser containing magnesium, is extremely difficult to the requirement of steady quality, and simply blending easily causes knot
Block, have impact on the application effect of fertilizer.Therefore it is highly desirable to a kind of collaboration fertilizer efficiency that can give full play to potash fertilizer and fertiliser containing magnesium and not
The fertilizer easily lumpd.
The content of the invention
The present invention is only that the simple blending of potash fertilizer and fertiliser containing magnesium, quality are not sufficiently stable and held to solve current potassic-magnesian fertilizer technique
There is provided a kind of method of steel band granulation production full water-soluble potassium ammonium nitrate magnesium for the technical problem easily lumpd.
The present invention is realized using following technical scheme：A kind of side of steel band granulation production full water-soluble potassium ammonium nitrate magnesium
Method, comprises the following steps：（1）, potassium hydroxide and concentration added the first reactor and carries out neutralization reaction for 40% dust technology,
The mol ratio of potassium hydroxide and nitric acid is 1：1；Temperature control is adjusted with potassium hydroxide afterwards in 70 ~ 80 DEG C of 1.5 ~ 2h of stirring reaction
Reaction solution pH to 6.5 ~ 7.5 is saved, obtained potassium nitrate neutralizer enters Filter Press, obtains clear filtrate；Filtrate is pumped into
Evaporator is evaporated concentration, is evaporated to proportion for 1.380 ~ 1.510g/cm3；
（2）, magnesia and concentration added the second reactor and carries out neutralization reaction, magnesia and nitre for 40% dust technology
The mol ratio of acid is 1：1, temperature control adjusts reaction solution pH to 6.5 with magnesia afterwards in 70 ~ 80 DEG C of 1.5 ~ 2h of stirring reaction
~ 7.5, neutralizer enters Filter Press, obtains clear filtrate, and filtrate is pumped into evaporator is evaporated concentration, is evaporated to ratio
Weight is 1.380 ~ 1.430g/cm3, it is standby；
（3）, by step（2）Obtained magnesium nitrate concentrate is pumped into step（1）In potassium nitrate concentrate in, add nitre
Sour ammonium, wherein mass ratio are potassium nitrate：Magnesium nitrate：Ammonium nitrate=25 ~ 36:65~54:10, it is concentrated by evaporation, concentrate to proportion is
1.150~1.540g/cm3, evaporating temperature is 150 ~ 180 DEG C；（Potassium nitrate, magnesium nitrate, ammonium nitrate each mean three kinds of pure materials）
（4）, step（3）In concentrate enter cooling reactor, add boric acid, EDTA- copper, EDTA- iron, EDTA- zinc,
EDTA- manganese, ammonium molybdate；Above-mentioned micro- quality and 0.2% more than or equal to concentrate quality, stirring enters steel to after dissolving
Band comminutor, generates grass green semi-spherical shape potassium ammonium nitrate magnesium finished product.
1st, the present invention thoroughly solves existing potassium, fertiliser containing magnesium product and easily lumpd, using not by being adjusted to production technology
The problem of convenient and nutrient is single, content is unequal.
2nd, emphasis of the present invention is the optimal proportion for having searched out potassium nitrate, magnesium nitrate and ammonium nitrate nitric acid synthesis ammonium potassium magnesium,
First by magnesium nitrate and ammonium nitrate nitric acid synthesis ammonium magnesium in specific proportions, the addition of potassium nitrate is further determined that on this basis
Amount, the nitric acid ca and mg fertilizer so obtained thoroughly solves caking phenomenon, and content is uniform, and nutrient wide variety.Potash fertilizer and fertiliser containing magnesium
Synergy be utilized.
3rd, potassium nitrate magnesium produced by the invention is hemispherical sheet（1 ~ 50mm of diameter）, it is limpid transparent molten that product, which is dissolved in water,
Liquid, solve product easily lump, quality instability problem, it is and many compared with single fertilizer nutrient species, save packaging and peasant household make
With more facilitate.
The present invention is multiple by being chemically synthesized in specific proportions by potassium nitrate, magnesium nitrate and ammonium nitrate according to special formulation
Salt, not only solves product and easily lumps nutrient Single-issue, and potassium can more preferably promote photosynthetic progress with magnesium in product,
Compared with single potash fertilizer or fertiliser containing magnesium is used, crop yield, sugariness, quality all have clear improvement.
Brief description of the drawings
The structural representation of Fig. 1 devices of the present invention.
The dilute acid baths of 1- first, 2- potassium hydroxide grooves, the reactors of 3- first, the filter presses of 4- first, 5- potassium nitrate evaporators, 6-
First steam boiler, 7- ammonium nitrate liquid baths, the dilute acid baths of 8- second, 9- magnesia grooves, the reactors of 10- second, the filter presses of 11- second,
12- magnesium nitrate evaporators, the steam boilers of 13- second, 14- cooling reactors, 15- steel band comminutors.
Embodiment
A kind of method of steel band granulation production full water-soluble potassium ammonium nitrate magnesium, comprises the following steps：
（1）, potassium hydroxide and concentration added the first reactor and carries out neutralization reaction, potassium hydroxide for 40% dust technology
Mol ratio with nitric acid is 1：1；Temperature control is at 70 ~ 80 DEG C（70℃、72℃、74℃、76℃、78℃、80℃）Stirring reaction
1.5~2h（1.5h、1.6h、1.7h、1.8h、1.9h、2h）, adjust reaction solution pH to 6.5 ~ 7.5 with potassium hydroxide afterwards（6.5、
6.7、6.9、7.1、7.3、7.5）, obtained potassium nitrate neutralizer enters Filter Press, obtains clear filtrate；Filtrate is pumped into
Evaporator is evaporated concentration, is evaporated to proportion for 1.380 ~ 1.510g/cm3（1.380 g/cm3、1.410 g/cm3、1.440
g/cm3、1.480 g/cm3、1.510 g/cm3）；
（2）, magnesia and concentration added the second reactor and carries out neutralization reaction, magnesia and nitre for 40% dust technology
The mol ratio of acid is 1：1, temperature control is at 70 ~ 80 DEG C（70℃、72℃、74℃、76℃、78℃、80℃）Stirring reaction 1.5 ~
2h（1.5h、1.6h、1.7h、1.8h、1.9h、2h）, reaction solution pH to 6.5 ~ 7.5 is adjusted with magnesia afterwards, neutralizer enters
Filter Press, obtains clear filtrate, and filtrate is pumped into evaporator is evaporated concentration, be evaporated to proportion for 1.380 ~
1.430g/cm3（1.380 g/cm3、1.390 g/cm3、1.400 g/cm3、1.410 g/cm3、1.420 g/cm3、1.430 g/
cm3）, it is standby；
（3）, by step（2）Obtained magnesium nitrate concentrate is pumped into step（1）In potassium nitrate concentrate in, add nitre
Sour ammonium, wherein mass ratio are potassium nitrate：Magnesium nitrate：Ammonium nitrate=25 ~ 36:65~54:10（25:65:10、27:63:10、29:61:
10、31:59:10、33: 56:10、36:54:10）, it is concentrated by evaporation, concentrate to proportion is 1.150 ~ 1.540g/cm3（1.150g/
cm3、1.230g/cm3、1.310g/cm3、1.390g/cm3、1.470g/cm3、1.540g/cm3）, evaporating temperature is 150 ~ 180 DEG C
（150℃、160℃、170℃、180℃）；
（4）, step（3）In concentrate enter cooling reactor, add boric acid, EDTA- copper, EDTA- iron, EDTA- zinc,
EDTA- manganese, ammonium molybdate；Above-mentioned micro- quality and 0.2% more than or equal to concentrate quality, stirring enters steel to after dissolving
Band comminutor 15, generates grass green semi-spherical shape potassium ammonium nitrate magnesium finished product.
A kind of method of the steel band of embodiment 1 granulation production full water-soluble potassium ammonium nitrate magnesium, comprises the following steps：（1）, by hydrogen
Potassium oxide and concentration add the first reactor and carry out neutralization reaction for 40% dust technology, and the mol ratio of potassium hydroxide and nitric acid is
1：1；Temperature control is adjusted in reaction solution pH to 6.5, obtained potassium nitrate with potassium hydroxide afterwards in 70 DEG C of stirring reaction 1.5h
Enter Filter Press with liquid, obtain clear filtrate；Filtrate is pumped into evaporator and is evaporated concentration, being evaporated to proportion is
1.410 g/cm3；
（2）, magnesia and concentration added the second reactor and carries out neutralization reaction, magnesia and nitre for 40% dust technology
The mol ratio of acid is 1：1, temperature control adjusts reaction solution pH to 6.5 with magnesia afterwards in 72 DEG C of stirring reaction 1.5h, neutralizes
Liquid enters Filter Press, obtains clear filtrate, and filtrate is pumped into evaporator is evaporated concentration, and it is 1.390 to be evaporated to proportion
g/cm3, it is standby；
（3）, by step（2）Obtained magnesium nitrate concentrate is pumped into step（1）In potassium nitrate concentrate in, add nitre
Sour ammonium, wherein mass ratio are potassium nitrate：Magnesium nitrate：Ammonium nitrate=25:65:10, it is concentrated by evaporation, concentrate to proportion is 1.230g/
cm3, evaporating temperature is 180 DEG C；
（4）, step（3）In concentrate enter cooling reactor, add boric acid, EDTA- copper, EDTA- iron, EDTA- zinc,
EDTA- manganese, ammonium molybdate；Above-mentioned micro- quality and 0.2% more than concentrate quality, stirring is made to after dissolving into steel band
Grain machine, generates grass green semi-spherical shape potassium ammonium nitrate magnesium finished product.
A kind of method of the steel band of embodiment 2 granulation production full water-soluble potassium ammonium nitrate magnesium, comprises the following steps：（1）, will
Potassium hydroxide and concentration add the mol ratio that the first reactor carries out neutralization reaction, potassium hydroxide and nitric acid for 40% dust technology
For 1：1；Temperature control adjusts reaction solution pH to 6.7, obtained potassium nitrate with potassium hydroxide afterwards in 74 DEG C of stirring reaction 1.8h
Neutralizer enters Filter Press, obtains clear filtrate；Filtrate is pumped into evaporator and is evaporated concentration, being evaporated to proportion is
1.480 g/cm3；
（2）, magnesia and concentration added the second reactor and carries out neutralization reaction, magnesia and nitre for 40% dust technology
The mol ratio of acid is 1：1, temperature control adjusts reaction solution pH to 6.7 with magnesia afterwards in 70 DEG C of stirring reaction 1.8h, neutralizes
Liquid enters Filter Press, obtains clear filtrate, and filtrate is pumped into evaporator is evaporated concentration, and it is 1.400 to be evaporated to proportion
g/cm3, it is standby；
（3）, by step（2）Obtained magnesium nitrate concentrate is pumped into step（1）In potassium nitrate concentrate in, add nitre
Sour ammonium, wherein mass ratio are potassium nitrate：Magnesium nitrate：Ammonium nitrate=27:63:10, it is concentrated by evaporation, concentrate to proportion is 1.150g/
cm3, evaporating temperature is 160 DEG C；
（4）, step（3）In concentrate enter cooling reactor, add boric acid, EDTA- copper, EDTA- iron, EDTA- zinc,
EDTA- manganese, ammonium molybdate；Above-mentioned micro- quality and more than or equal to step（3）The 0.2% of the concentrate quality, is stirred to molten
Enter steel band comminutor after solution, generate grass green semi-spherical shape potassium ammonium nitrate magnesium finished product.
A kind of method of the steel band of embodiment 3 granulation production full water-soluble potassium ammonium nitrate magnesium, comprises the following steps：（1）, will
Potassium hydroxide and concentration add the mol ratio that the first reactor carries out neutralization reaction, potassium hydroxide and nitric acid for 40% dust technology
For 1：1；Temperature control is adjusted in reaction solution pH to 6.9, obtained potassium nitrate with potassium hydroxide afterwards in 76 DEG C of stirring reaction 2h
Enter Filter Press with liquid, obtain clear filtrate；Filtrate is pumped into evaporator and is evaporated concentration, being evaporated to proportion is
1.440 g/cm3；
（2）, magnesia and concentration added the second reactor and carries out neutralization reaction, magnesia and nitre for 40% dust technology
The mol ratio of acid is 1：1, temperature control adjusts reaction solution pH to 6.9 with magnesia afterwards in 74 DEG C of stirring reaction 1.7h, neutralizes
Liquid enters Filter Press, obtains clear filtrate, and filtrate is pumped into evaporator is evaporated concentration, and it is 1.420 to be evaporated to proportion
g/cm3, it is standby；
（3）, by step（2）Obtained magnesium nitrate concentrate is pumped into step（1）In potassium nitrate concentrate in, add nitre
Sour ammonium, wherein mass ratio are potassium nitrate：Magnesium nitrate：Ammonium nitrate=29:61:10, it is concentrated by evaporation, concentrate to proportion is 1.390g/
cm3, evaporating temperature is 170 DEG C；
（4）, step（3）In concentrate enter cooling reactor, add boric acid, EDTA- copper, EDTA- iron, EDTA- zinc,
EDTA- manganese, ammonium molybdate；Above-mentioned micro- quality and 0.2% more than or equal to concentrate quality, stirring enters steel to after dissolving
Band comminutor, generates grass green semi-spherical shape potassium ammonium nitrate magnesium finished product.
A kind of method of the steel band of embodiment 4 granulation production full water-soluble potassium ammonium nitrate magnesium, comprises the following steps：（1）, will
Potassium hydroxide and concentration add the mol ratio that the first reactor carries out neutralization reaction, potassium hydroxide and nitric acid for 40% dust technology
For 1：1；Temperature control adjusts reaction solution pH to 7.1, obtained potassium nitrate with potassium hydroxide afterwards in 80 DEG C of stirring reaction 1.7h
Neutralizer enters Filter Press, obtains clear filtrate；Filtrate is pumped into evaporator and is evaporated concentration, being evaporated to proportion is
1.380g/cm3；
（2）, magnesia and concentration added the second reactor and carries out neutralization reaction, magnesia and nitre for 40% dust technology
The mol ratio of acid is 1：1, temperature control adjusts reaction solution pH to 7.1 with magnesia afterwards in 76 DEG C of stirring reaction 1.6h, neutralizes
Liquid enters Filter Press, obtains clear filtrate, and filtrate is pumped into evaporator is evaporated concentration, and being evaporated to proportion is
1.380g/cm3, it is standby；
（3）, by step（2）Obtained magnesium nitrate concentrate is pumped into step（1）In potassium nitrate concentrate in, add nitre
Sour ammonium, wherein mass ratio are potassium nitrate：Magnesium nitrate：Ammonium nitrate=31:59:10, it is concentrated by evaporation, concentrate to proportion is 1.310g/
cm3, evaporating temperature is 150 DEG C；
（4）, step（3）In concentrate enter cooling reactor, add boric acid, EDTA- copper, EDTA- iron, EDTA- zinc,
EDTA- manganese, ammonium molybdate；Above-mentioned micro- quality and 0.2% more than or equal to concentrate quality, stirring enters steel to after dissolving
Band comminutor, generates grass green semi-spherical shape potassium ammonium nitrate magnesium finished product.
A kind of method of the steel band of embodiment 5 granulation production full water-soluble potassium ammonium nitrate magnesium, comprises the following steps：（1）, will
Potassium hydroxide and concentration add the mol ratio that the first reactor carries out neutralization reaction, potassium hydroxide and nitric acid for 40% dust technology
For 1：1；Temperature control adjusts reaction solution pH to 7.3, obtained potassium nitrate with potassium hydroxide afterwards in 72 DEG C of stirring reaction 1.6h
Neutralizer enters Filter Press, obtains clear filtrate；Filtrate is pumped into evaporator and is evaporated concentration, being evaporated to proportion is
1.510 g/cm3；
（2）, magnesia and concentration added the second reactor and carries out neutralization reaction, magnesia and nitre for 40% dust technology
The mol ratio of acid is 1：1, temperature control adjusts reaction solution pH to 7.3 with magnesia afterwards in 80 DEG C of stirring reaction 1.9h, neutralizes
Liquid enters Filter Press, obtains clear filtrate, and filtrate is pumped into evaporator is evaporated concentration, and it is 1.410 to be evaporated to proportion
g/cm3, it is standby；
（3）, by step（2）Obtained magnesium nitrate concentrate is pumped into step（1）In potassium nitrate concentrate in, add nitre
Sour ammonium, wherein mass ratio are potassium nitrate：Magnesium nitrate：Ammonium nitrate=33: 56:10, it is concentrated by evaporation, concentrate to proportion is 1.470g/
cm3, evaporating temperature is 150 DEG C；
（4）, step（3）In concentrate enter cooling reactor, add boric acid, EDTA- copper, EDTA- iron, EDTA- zinc,
EDTA- manganese, ammonium molybdate；Above-mentioned micro- quality and 0.2% more than or equal to concentrate quality, stirring enters steel to after dissolving
Band comminutor, generates grass green semi-spherical shape potassium ammonium nitrate magnesium finished product.
A kind of method of the steel band of embodiment 6 granulation production full water-soluble potassium ammonium nitrate magnesium, comprises the following steps：（1）, will
Potassium hydroxide and concentration add the mol ratio that the first reactor carries out neutralization reaction, potassium hydroxide and nitric acid for 40% dust technology
For 1：1；Temperature control adjusts reaction solution pH to 7.5, obtained potassium nitrate with potassium hydroxide afterwards in 78 DEG C of stirring reaction 1.9h
Neutralizer enters Filter Press, obtains clear filtrate；Filtrate is pumped into evaporator and is evaporated concentration, being evaporated to proportion is
1.410 g/cm3；
（2）, magnesia and concentration added the second reactor and carries out neutralization reaction, magnesia and nitre for 40% dust technology
The mol ratio of acid is 1：1, temperature control adjusts reaction solution pH to 7.5, neutralizer with magnesia afterwards in 78 DEG C of stirring reaction 2h
Into Filter Press, clear filtrate is obtained, filtrate is pumped into evaporator is evaporated concentration, be evaporated to proportion for 1.430 g/
cm3, it is standby；
（3）, by step（2）Obtained magnesium nitrate concentrate is pumped into step（1）In potassium nitrate concentrate in, add nitre
Sour ammonium, wherein mass ratio are potassium nitrate：Magnesium nitrate：Ammonium nitrate=36:54:10, it is concentrated by evaporation, concentrate to proportion is 1.540g/
cm3, evaporating temperature is 180 DEG C；
（4）, step（3）In concentrate enter cooling reactor, add boric acid, EDTA- copper, EDTA- iron, EDTA- zinc,
EDTA- manganese, ammonium molybdate；Above-mentioned micro- quality and 0.2% more than or equal to concentrate quality, stirring enters steel to after dissolving
Band comminutor, generates grass green semi-spherical shape potassium ammonium nitrate magnesium finished product.
As shown in figure 1, filling dust technology in the first dilute acid bath 1, potassium hydroxide, two containers are filled in the groove of potassium hydroxide 2
It is connected by pipeline with the first reactor 3, the bottom discharge mouthful of the first reactor 3 is connected by pipeline with the first filter press 4
Connect, for filtering potassium nitrate neutralizer；Equally filled in second dilute acid bath 8 in dust technology, magnesia groove 9 and fill magnesia, two
Individual container is connected by pipeline with the second reactor 10, and the bottom discharge mouthful of the second reactor 10 passes through pipeline and the second press filtration
Machine 11 is connected, for filtering magnesium nitrate neutralizer；Magnesium nitrate evaporator 12 is used to realize that magnesium nitrate is concentrated, potassium nitrate evaporator
5 realize the concentration of potassium nitrate；Ammonium nitrate liquid bath 7 adds ammonium nitrate solution into potassium nitrate evaporator 5, and potassium nitrate evaporator 5 is realized
The synthesis concentration of potassium nitrate, ammonium nitrate and magnesium nitrate, two steam boilers provide steaming to potassium nitrate, magnesium nitrate evaporator respectively
Vapour.Single steel band granulation flaker that steel band comminutor is produced using upper Nereid's great waves steel band Science and Technology Ltd., device numbering：
JT3000-1.5-17.5。
Claims (2)
1. a kind of method of steel band granulation production full water-soluble potassium ammonium nitrate magnesium, it is characterised in that comprise the following steps：（1）, will
Potassium hydroxide and concentration add the mol ratio that the first reactor carries out neutralization reaction, potassium hydroxide and nitric acid for 40% dust technology
For 1：1；Temperature control adjusts reaction solution pH to 6.5 ~ 7.5 with potassium hydroxide afterwards, obtained in 70 ~ 80 DEG C of 1.5 ~ 2h of stirring reaction
To potassium nitrate neutralizer enter Filter Press, obtain clear filtrate；Filtrate is pumped into evaporator and is evaporated concentration, is evaporated
It is 1.380 ~ 1.510g/cm to proportion3；
（2）, magnesia and concentration added the second reactor and carries out neutralization reaction for 40% dust technology, magnesia and nitric acid
Mol ratio is 1：1, temperature control in 70 ~ 80 DEG C of 1.5 ~ 2h of stirring reaction, afterwards with magnesia adjust reaction solution pH to 6.5 ~
7.5, neutralizer enters Filter Press, obtains clear filtrate, and filtrate is pumped into evaporator is evaporated concentration, is evaporated to proportion
For 1.380 ~ 1.430g/cm3, it is standby；
（3）, by step（2）Obtained magnesium nitrate concentrate is pumped into step（1）In potassium nitrate concentrate in, add nitric acid
Ammonium, wherein mass ratio are potassium nitrate：Magnesium nitrate：Ammonium nitrate=25 ~ 36:65~54:10, it is concentrated by evaporation, concentrate to proportion is 1.150
~1.540g/cm3, evaporating temperature is 150 ~ 180 DEG C；
（4）, step（3）In concentrate enter cooling reactor, add boric acid, EDTA- copper, EDTA- iron, EDTA- zinc, EDTA- manganese,
Ammonium molybdate；Above-mentioned micro- quality and 0.2% more than or equal to concentrate quality, stirring enters steel band comminutor to after dissolving,
Generate grass green semi-spherical shape potassium ammonium nitrate magnesium finished product.
2. the method for steel band granulation production full water-soluble potassium ammonium nitrate magnesium as claimed in claim 1, it is characterised in that the pressure
Filter uses plate and frame type filter-press.
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