CN109896893A - A kind of high concentration fulvic acid potassium dihydrogen phosphate preparation method - Google Patents
A kind of high concentration fulvic acid potassium dihydrogen phosphate preparation method Download PDFInfo
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- CN109896893A CN109896893A CN201910200068.7A CN201910200068A CN109896893A CN 109896893 A CN109896893 A CN 109896893A CN 201910200068 A CN201910200068 A CN 201910200068A CN 109896893 A CN109896893 A CN 109896893A
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Abstract
The present invention provides a kind of high concentration fulvic acid potassium dihydrogen phosphate preparation methods, preparation raw material used include: 160 parts -260 parts of industrial phosphoric acid in terms of weight part ratio, 100 parts -180 parts of ammonium hydroxide, 170 parts -175 parts of KOH solution, 300 parts -360 parts of fulvic acid solution, -12 parts of EDTA-Zn8 part, -3 parts of EDTA1 part, 7 parts -13 parts of boric acid, -12 parts of MnSO48 part, 200-300 parts of water.Small white almond percentage of fertile fruit is promoted after fertilizer of the present invention is applicable in, yield and quality is all improved, with apparent Plant-stimulating activity, especially potassium content is promoted by 442mg/100g before to 754mg/100g, fertilizer efficiency is opposite to improve 7~16%, K uptake increases by 18~20%, and potash fertilizer this season utilization rate is increased to 41.5% from 11.2%.
Description
Technical field
The present invention relates to a kind of production methods of fertilizer, belong to organic-inorganic compound fertilizer field.
Background technique
Fulvic acid is the product that archaeophyte is formed by the local behavior of microorganism, is present in peat, lignite, weathered coal
In soil.Containing various active group and to the physiological activity of plant.It is the lesser macromolecular organic compound of molecular weight, acid
Property gene it is more, permeability is strong, can be dissolved in acid, alkali and water, is easily absorbed by plant.It is as non-harmful organic substance, extensively
It applies in agricultural production on ground.Fulvic acid compound fertilizer in agricultural production be realize agricultural year, it is high-quality, efficient played it is important
Effect.
But the existing universal concentration of fulvic acid potassium dihydrogen phosphate is not high, is on the one hand because this in mineral
This Shen dissolubility of ingredient is slightly lower, and another aspect is to must be added to different material in course of dissolution to have required a course of dissolution,
Especially potash fertilizer and phosphoric acid addition is an exothermic process, leads to and belong to strong acid and strong base, and corrosivity more by force must be with largely
Moisture cools down to improve processing effect, but the big transportation cost of the low usage amount of concentration and fertilising cost be all higher.
Summary of the invention
It is not high for existing fulvic acid biphosphate potassium concn in the prior art, the big transportation cost of usage amount and fertilising at
This all higher state of the art, the present invention provides a kind of high concentration fulvic acid potassium dihydrogen phosphate preparation methods and preparation dress
It sets, fulvic acid potassium dihydrogen phosphate is prepared using specific device, improves dissolved efficiency, when solving low dissolved efficiency, dissolution
Heat dissipation results in the need for lot of pure water, so that original fulvic acid potassium dihydrogen phosphate concentration is low, the problem of fertilizer efficiency difference, the present invention
Dissolved efficiency is not only increased, solves the problems, such as that heat release and container are perishable, and the compound fertilizer has nutrient equilibrium, fertilizer efficiency
The effect of height, improving quality and volume increase, while having the function of fixed nitrogen, phosphorus decomposing, sustained release potassium, improving utilization rate of fertilizer, it is adjustable
Soil acidity or alkalinity improves the unique functions such as soil hardening.Especially have to the yield and quality of Xinjiang little white apricot and greatly promoted,
Nutrition increases obvious also more significant in small white almond, also improves fruiting rate, has in plant planting field extensive suitable
The property used.
The present invention provides a kind of high concentration fulvic acid potassium dihydrogen phosphate preparation method, prepare raw material used with
Weight part ratio meter includes: 160 parts -260 parts of industrial phosphoric acid, and 100 parts -180 parts of ammonium hydroxide, 170 parts -175 parts of KOH solution, fulvic acid
300 parts -360 parts of solution, -12 parts of EDTA-Zn8 part, -3 parts of EDTA1 part, 7 parts -13 parts of boric acid, -12 parts of MnSO48 part, water 200-
300 parts.
In the present invention, fulvic acid solution is 240g/L, industrial phosphoric acid concentration 85%, ammonia concn 25%, hydrogen containing fulvic acid
Potassium oxide solution concentration is the ethylenediamine tetra-acetic acid that Zn content is 14%, EDTA selects that purity is 99% in 85%, EDTA-Zn,
Boric acid purity is 99%.
In the present invention, fulvic acid potassium dihydrogen phosphate preparation raw material used are in terms of weight part ratio including including: work
200 parts -220 parts of industry phosphoric acid, 130 parts -150 parts of ammonium hydroxide, 172 parts -173 parts of KOH solution, 320 parts -340 parts of fulvic acid solution,
- 10 parts of EDTA-Zn9 part, -2 parts of EDTA1 part, 9 parts -11 parts of boric acid, -11 parts of MnSO49 part, 240-260 parts of water.
In the present invention, fulvic acid potassium dihydrogen phosphate preparation raw material used are in terms of weight part ratio including including: work
210 parts of industry phosphoric acid, 140 parts of ammonium hydroxide, 172.5 parts of KOH solution, 330 parts of fulvic acid solution, EDTA-Zn10 parts, EDTA2 parts, boric acid
10 parts, MnSO410 parts, 250 parts of water.
A kind of high concentration fulvic acid potassium dihydrogen phosphate preparation method of the present invention, includes the following steps:
(1) 100 parts of water are added in reaction vessel, then preprepared phosphoric acid is added while stirring.
(2) potassium hydroxide used is dissolved in 70 parts of moisture, stirs and pours into after most of dissolution added with water and phosphoric acid
Continue to stir in container.
(3) boric acid, MnSO4, EDTA-Zn, EDTA, fulvic acid solution and phosphoric acid is added in the solution of step (2) again.
(4) mixed liquor is extracted into dissolution potassium hydroxide solution after mixing evenly in the solution of step (3) and holds phosphoric acid institute
Again container in container, and flushing liquor is added to together in total solution, the water that remaining needs are added is added to phosphorus
Two containers are rinsed in acid and potassium hydroxide container, and total solution is added together.
High concentration fulvic acid potassium dihydrogen phosphate of the present invention preparation device used include the first container, second container and
Third container, the first container is equipped with to be inclined to set in the first container equipped with second container and third container, second container,
Stirring rod is designed in the first container, second container and third container, the first container passes through with second container, third container respectively
Connecting pipe connection, second container are connected to third container with water inlet line, and there are also phosphoric acid pipeline, second containers on third container
Bottom is equipped with potassium hydroxide holding box, and third container is equipped with feeding-in solid body mouth and liquid inlet opening.
In the present invention, the stirring rod in the first container is in double fork-shapeds, and the first container bottom internal is equipped with damper rod, and first holds
Device, second container and third container have nylon material to be made.
In the present invention, the first container and second container, third reservoir pipeline are equipped with booster pump.
In the present invention, liquid inlet opening, the first container respectively with second container, third reservoir connecting pipe, into
Have on waterpipe, phosphoric acid pipeline equipped with valve and fluid flowmeter.
Application of the fertilizer prepared by preparation method of the present invention in the plantation of Xinjiang little white apricot.
Beneficial effects of the present invention:
(1) high concentration fulvic acid potassium dihydrogen phosphate of the present invention makes concentration by improving processing method and processing unit (plant)
It is substantially improved, and the heat release before being not present leads to the problem of fertilizer production difficulty, the promotion of fertilizer efficiency is mentioned plus rational proportion
The high absorption of potassium, has that nutrient is balanced, fertilizer efficiency is high, improving quality and the apparent effect of production-increasing function, while having fixed nitrogen, solution
Phosphorus, sustained release potassium, the function of improving utilization rate of fertilizer, are adjustable soil acidity or alkalinity.
(2) the small white almond percentage of fertile fruit after being applicable in high concentration fulvic acid potassium dihydrogen phosphate of the present invention is promoted, yield and product
Matter is all improved, have apparent Plant-stimulating activity, especially potassium content by before 442mg/100g promoted to
754mg/100g。
(3) fertilizer of the present invention is all improved effect to the yield of small white almond, jujube, wheat and fruits and vegetables class, and to single fruit or
Person single individual weight also increased, and nutritional ingredient also makes moderate progress in addition to crossing tomato, and it is yellow rotten that this is primarily due to high concentration
Acid phosphoric acid dihydro potassic fertilizer makes fertilizer efficiency is opposite to improve 7~16%, and K uptake increases by 18~20%.Potash fertilizer this season utilization rate from
11.2% is increased to 41.5%, i.e. potassium utilization rate relative increase more than 300, the analysis found that using fertilizer of the present invention to this
Although but there is obvious, and common commercially available compound fertilizer in a little crops or fruit output increased but yield and nutritional ingredient
It compares, Fertilizer application of the present invention can not only improve small white almond yield and single fruit weight into small white almond, it is often more important that nutritional ingredient
Content is commonly available promotion, and especially potassium content is promoted obvious.
Detailed description of the invention
Fig. 1 is the response surface figure that ammonia volume of the present invention and KOH dosage influence every hectogram potassium content.
Fig. 2 is the response surface figure that ammonia volume of the present invention and EDTA dosage influence every hectogram potassium content.
Fig. 3 is the response surface figure that ammonia volume of the present invention and boric acid dosage influence every hectogram potassium content.
Fig. 4 is the response surface figure that ammonia volume of the present invention and EDTA-Zn dosage influence every hectogram potassium content.
Fig. 5 is ammonia volume of the present invention and MnSO4The response surface figure that dosage influences every hectogram potassium content.
Fig. 6 is the response surface figure that ammonia volume of the present invention and fulvic acid solution usage influence every hectogram potassium content.
Fig. 7 is the response surface figure that ammonia volume of the present invention and phosphoric acid dosage influence every hectogram potassium content.
Fig. 8 is ammonia volume of the present invention and the response surface figure that water consumption influences every hectogram potassium content.
Fig. 9 is the response surface figure that KOH dosage of the present invention and EDTA dosage influence every hectogram potassium content.
Figure 10 is the response surface figure that KOH dosage of the present invention and boric acid dosage influence every hectogram potassium content.
Figure 11 is the response surface figure that KOH dosage of the present invention and EDTA-Zn dosage influence every hectogram potassium content.
Figure 12 is KOH dosage of the present invention and MnSO4The response surface figure that dosage influences every hectogram potassium content.
Figure 13 is the response surface figure that KOH dosage of the present invention and fulvic acid solution usage influence every hectogram potassium content.
Figure 14 is the response surface figure that KOH dosage of the present invention and phosphoric acid dosage influence every hectogram potassium content.
Figure 15 is KOH dosage of the present invention and the response surface figure that water consumption influences every hectogram potassium content.
Figure 16 is the response surface figure that EDTA dosage of the present invention and boric acid dosage influence every hectogram potassium content.
Figure 17 is the response surface figure that EDTA dosage of the present invention and EDTA-Zn dosage influence every hectogram potassium content.
Figure 18 is EDTA dosage of the present invention and MnSO4The response surface figure that dosage influences every hectogram potassium content.
Figure 19 is the response surface figure that EDTA dosage of the present invention and fulvic acid solution usage influence every hectogram potassium content.
Figure 20 is the response surface figure that EDTA dosage of the present invention and phosphoric acid dosage influence every hectogram potassium content.
Figure 21 is EDTA dosage of the present invention and the response surface figure that water consumption influences every hectogram potassium content.
Figure 22 is the response surface figure that boric acid dosage of the present invention and EDTA-Zn dosage influence every hectogram potassium content.
Figure 23 is boric acid dosage of the present invention and MnSO4The response surface figure that dosage influences every hectogram potassium content.
Figure 24 is the response surface figure that boric acid dosage of the present invention and fulvic acid solution usage influence every hectogram potassium content.
Figure 25 is the response surface figure that boric acid dosage of the present invention and phosphoric acid dosage influence every hectogram potassium content.
Figure 26 is boric acid dosage of the present invention and the response surface figure that water consumption influences every hectogram potassium content.
Figure 27 is EDTA-Zn dosage of the present invention and MnSO4The response surface figure that dosage influences every hectogram potassium content.
Figure 28 is the response surface figure that EDTA-Zn dosage of the present invention and fulvic acid solution usage influence every hectogram potassium content.
Figure 29 is the response surface figure that EDTA-Zn dosage of the present invention and phosphoric acid dosage influence every hectogram potassium content.
Figure 30 is EDTA-Zn dosage of the present invention and the response surface figure that water consumption influences every hectogram potassium content.
Figure 31 is MnSO of the present invention4The response surface figure that dosage and fulvic acid solution usage influence every hectogram potassium content.
Figure 32 is MnSO of the present invention4The response surface figure that dosage and phosphoric acid dosage influence every hectogram potassium content.
Figure 33 is MnSO of the present invention4The response surface figure that dosage and water consumption influence every hectogram potassium content.
Figure 34 is the response surface figure that fulvic acid solution usage of the present invention and phosphoric acid dosage influence every hectogram potassium content.
Figure 35 is fulvic acid solution usage of the present invention and the response surface figure that water consumption influences every hectogram potassium content.
Figure 36 is liquid phosphoric acid dosage of the present invention and the response surface figure that water consumption influences every hectogram potassium content.
Figure 37 is the structural schematic diagram of preparation facilities of the present invention.
In Figure 37,1- the first container, 2- second container, 3- third container, 4- stirring rod, 5- damper rod, 6- connecting pipe,
7- water inlet line, 8- phosphoric acid pipeline, 9- fluid flowmeter, 10- valve, 11- potassium hydroxide holding box, 12- feeding-in solid body mouth,
13- liquid inlet opening, 14- booster pump.
Specific embodiment
1 to attached drawing 37 and embodiment with reference to the accompanying drawing, and specific embodiments of the present invention will be described in further detail,
But apparatus of the present invention are not limited to following embodiments.
A kind of embodiment one: high concentration fulvic acid potassium dihydrogen phosphate preparation method
A kind of high concentration fulvic acid potassium dihydrogen phosphate preparation method of the present invention, includes the following steps:
(1) 100 parts of water are added in reaction vessel, then preprepared phosphoric acid is added while stirring.
(2) potassium hydroxide used is dissolved in 70 parts of moisture, stirs and pours into after most of dissolution added with water and phosphoric acid
Continue to stir in container.
(3) boric acid, MnSO4, EDTA-Zn, EDTA, fulvic acid solution and phosphoric acid is added in the solution of step (2) again.
(4) mixed liquor is extracted into dissolution potassium hydroxide solution after mixing evenly in the solution of step (3) and holds phosphoric acid institute
Again container in container, and flushing liquor is added to together in total solution, the water that remaining needs are added is added to phosphorus
Two containers are rinsed in acid and potassium hydroxide container, and total solution is added together.
Embodiment two: the preparation method of high concentration fulvic acid potassium dihydrogen phosphate of the present invention
The high concentration fulvic acid potassium dihydrogen phosphate provided using embodiment one, including according to such as the following table 1 parts by weight
Made from raw material:
Table 1: high concentration fulvic acid potassium dihydrogen phosphate formula table:
In the present invention, fulvic acid solution is 240g/L, industrial phosphoric acid concentration 85%, ammonia concn 25%, hydrogen containing fulvic acid
Potassium oxide solution concentration is the ethylenediamine tetra-acetic acid that Zn content is 14%, EDTA selects that purity is 99% in 85%, EDTA-Zn,
Boric acid purity is 99%.
Embodiment three: fertilizer preparation facilities of the present invention
In Figure 37, high concentration fulvic acid potassium dihydrogen phosphate of the present invention preparation device used includes the first container 1, the
Two containers 2 and third container 3, the first container 1 are equipped with second container 2 and third container 3, and second container 2 is inclined to be set
Set in the first container 1, be designed with stirring rod 4 in the first container 1, second container 2 and third container 3, the first container 1 respectively and
Second container 2, third container 3 are connected to by connecting pipe 6, and second container 2 is connected to third container 3 with water inlet line 7, third
There are also phosphoric acid pipeline 8 on container 3,2 bottom of second container is equipped with potassium hydroxide holding box 11, third container 3 be equipped with solid into
Material mouth 12 and liquid inlet opening 13.
In the present invention, the stirring rod 4 in the first container 1 is in double fork-shapeds, and 1 bottom internal of the first container is equipped with damper rod 5, the
One container 1, second container 2 and third container 3 have nylon material to be made.
In the present invention, the first container 1 and second container 2,3 connecting pipe of third container are equipped with booster pump 14.
In the present invention, communicating pipe that liquid inlet opening 13, the first container 1 are connected to second container 2, third container 3 respectively
Road 6, water inlet line 7 have equipped with valve 10 and fluid flowmeter 9 on phosphoric acid pipeline 8.
Example IV: fertilizer of the present invention manure trial in small white almond
For trying fertilizer: common to answer using one preparation method sample seven of above-described embodiment formula acquisition fertilizer as test group
EDTA (N46%), threeflod calcium superphosphate fertilizer (P in the fertilizer variety of small white almond2O5And potassium sulfate (K 46%)2O48%) three kinds of mixing
Fertilizer is control group one.
For studying object: small white almond, using Kuqa small white almond as representative, age of tree 4-5.
Experimental design: three kinds fertilizer follow-on test 3 years.Trial zone area is 3 mu, every kind of fertilizer.In tree crown upright projection
Outer rim dig the annular groove fertilising of deep each 50cm of width.Base manure applies fertilizer to the subsoil in 7~August of autumn, and top dressing applies 2 times altogether, first time topdressing
Application when blooming in spring, second of top dressing are applied in the stone phase in 5~June, in favor of increasing fruit weight.
Table 2: apricot composition test result table:
As can be seen from the above experimental data, high concentration fulvic acid potassium dihydrogen phosphate preparation method provided by the invention
The nutrition of small white almond is effectively increased, this is because fertilizer efficiency significantly improves, in addition slow release effect, bears fruit to small white almond
Effective guarantee is formed with nutrition, so that protein content, carbohydrate, vitamin E all increased, single fruit weight and per mu yield
It all increased, especially further improve the potassium content of the natively library vehicle small white almond rich in potassium, fertilizer of the present invention is compared to existing
Some fertilizer has a significant effect.
Embodiment five: high concentration fulvic acid potassium dihydrogen phosphate fertilizer optimized designing for fortnulation of the present invention
Using Box-Behnken experimental design, ammonium hydroxide, KOH, EDTA, boric acid, EDTA-Zn, MnSO are probed into4, fulvic acid
The influence of solution, phosphoric acid and water to small white almond potassium content, and establish the response of the relationship of each compositional factors and potassium content in formula
Face mathematical model, response surface experiments factor and water-glass are shown in Table 3, Box-bohnken experimental design and the results are shown in Table 4.
Table 3: response surface experiments factor level table
Table 4:Box-bohnken experimental design result
It is fitted by experimental data of the DesignExpert8.0.6 to table 4, takes 100 small white almond conducts of each tree
Measurement potassium content obtains test result after one group mixing, obtains ammonium hydroxide, KOH, EDTA, boric acid, EDTA-Zn, MnSO4, fulvic acid
The influence model of solution, phosphoric acid and water to small white almond potassium content, in model each interactive response surface of factor referring to attached drawing 1 to
Attached drawing 36.
It is industrial phosphoric acid 210kg, ammonium hydroxide by the optimum proportioning that Box-Behnken assay optimization goes out inventive formulation
140kg, KOH solution 172.5kg, fulvic acid solution 330kg, EDTA-Zn 10kg, EDTA 2kg, boric acid 10kg,
MnSO410kg, water 250kg.The namely formula of two sample seven of embodiment.Effect of fertilizer is best under the formula, single fruit weight and mu
Yield all highests, especially potassium content is especially good, reaches 760mg/100g, and let us see small white almond potassium content not only with hydrogen
The content of potassium oxide is related, and also with other compositions at matching relationship, Yao Tigao potassium content can not be by increasing merely potash fertilizer amount
To realize.
Embodiment six: high concentration fulvic acid potassium dihydrogen phosphate fertilizer of the present invention is applicable in test
For trying fertilizer: providing the fertilizer of formula preparation and common common multiple using one preparation method sample seven of above-described embodiment
Hefei.
For studying object: small white almond, walnut, fine horse jujube, winter wheat, tomato, cucumber and "Hami" melon.
Test site: small white almond is located at Kuqa, and walnut and fine horse jujube are located at Ruoqiang, and winter wheat is located at Xinjiang surprise
Platform, tomato and cucumber are located at Turfan fruits and vegetables Demonstration Base.
Experimental design: the common common compound fertilizer used when the existing ecological region planting is replaced using fertilizer of the present invention, is used
Amount, fertilizing method are referring to the ground to the common usage amount of such crop and fertilizing method.
Observation project:
(1) small white almond, walnut and fine horse jujube single fruit weight and yield.
(2) thousand grain weight of wheat and yield.
(3) sugar content of tomato and cucumber yield, "Hami" melon.
Test result analysis
Table 5: test result of the fertilizer of the present invention compared to commercially available Common compound fertilizer
| Product | Single fruit weight incrementss | Yield incrementss |
| Small white almond | 22.7% | 14.4% |
| Walnut | 5.1% | 12.11% |
| Fine horse jujube | 2.5% | 9.21% |
| Product | Mass of 1000 kernel variable quantity | Change of production amount |
| Wheat | 11.14% | 14.01% |
| Product | Change of production amount | Sugar content variable quantity |
| Tomato | 7.4% | - 4.1% |
| Cucumber | 1.1% | 2.4% |
| "Hami" melon | 1.5% | 6.1% |
Can be seen that fertilizer of the invention from above-mentioned test data has the yield of small white almond, jujube, wheat and fruits and vegetables class
Raising effect, and single fruit or single individual weight also increased, nutritional ingredient also makes moderate progress in addition to crossing tomato, this
Being primarily due to high concentration fulvic acid potassium dihydrogen phosphate makes fertilizer efficiency is opposite to improve 7~16%, and K uptake increases by 18~20%.
Potash fertilizer this season utilization rate is increased to 41.5%, i.e. potassium utilization rate relative increase more than 300 from 11.2%, the analysis found that making
Though with fertilizer of the present invention to these crops or fruit output increased yield and nutritional ingredient but exist it is obvious,
It is compared with common commercially available compound fertilizer, Fertilizer application of the present invention can not only improve small white almond yield and single fruit weight into small white almond, more
It is important that nutrient composition content is commonly available promotion, especially potassium content is promoted obvious.
As described above, the present invention can be realized preferably, the above embodiments are only to preferred implementation side of the invention
Formula is described, and is not intended to limit the scope of the present invention, and without departing from the spirit of the design of the present invention, this field is general
The various changes and improvements that logical technical staff makes technical solution of the present invention, should all fall into present invention determine that protection scope
It is interior.
Claims (10)
1. a kind of high concentration fulvic acid potassium dihydrogen phosphate preparation method, which is characterized in that the fulvic acid potassium dihydrogen phosphate
Fertilizer preparation raw material used include: 160 parts -260 parts of industrial phosphoric acid in terms of weight part ratio, and 100 parts -180 parts of ammonium hydroxide, KOH
170 parts -175 parts of solution, 300 parts -360 parts of fulvic acid solution, 8 parts -12 parts of EDTA-Zn, 1 part -3 parts of EDTA, boric acid 7
Part -13 parts, MnSO4 8 parts -12 parts, 200-300 parts of water.
2. a kind of high concentration fulvic acid potassium dihydrogen phosphate preparation method as described in claim 1, which is characterized in that described
Fulvic acid solution is 240g/L containing fulvic acid, and industrial phosphoric acid concentration 85%, ammonia concn 25%, potassium hydroxide solution concentration is 85%,
Zn content is that 14%, EDTA selects purity for 99% ethylenediamine tetra-acetic acid in EDTA-Zn, and boric acid purity is 99%.
3. a kind of high concentration fulvic acid potassium dihydrogen phosphate preparation method as described in claim 1, which is characterized in that described
Fulvic acid potassium dihydrogen phosphate preparation raw material used in terms of weight part ratio including including: 200 parts -220 parts of industrial phosphoric acid,
130 parts -150 parts of ammonium hydroxide, 172 parts -173 parts of KOH solution, 320 parts -340 parts of fulvic acid solution, 9 parts -10 parts of EDTA-Zn,
1 part -2 parts of EDTA, 9 parts -11 parts of boric acid, MnSO4 9 parts -11 parts, 240-260 parts of water.
4. such as a kind of described in any item high concentration fulvic acid potassium dihydrogen phosphate preparation methods of claim 3, feature exists
In fulvic acid potassium dihydrogen phosphate preparation raw material used are in terms of weight part ratio including including: industrial phosphoric acid 210
Part, 140 parts of ammonium hydroxide, 172.5 parts of KOH solution, 330 parts of fulvic acid solution, 10 parts of EDTA-Zn, 2 parts of EDTA, 10 parts of boric acid,
MnSO4 10 parts, 250 parts of water.
5. a kind of high concentration fulvic acid potassium dihydrogen phosphate preparation method according to any one of claims 1-4, feature
It is, the preparation includes the following steps:
(1) 100 parts of water are added in reaction vessel, then preprepared phosphoric acid is added while stirring；
(2) potassium hydroxide used is dissolved in 70 parts of moisture, pours into the container added with water and phosphoric acid after stirring most of dissolution
In continue to stir；
(3) boric acid, MnSO is added in the solution of step (2) again4, EDTA-Zn, EDTA, fulvic acid solution and phosphoric acid；
(4) mixed liquor is extracted into dissolution potassium hydroxide solution after mixing evenly in the solution of step (3) and held used in phosphoric acid
Again container in container, and flushing liquor is added to together in total solution, by the water that remaining needs are added be added to phosphoric acid and
Two containers are rinsed in potassium hydroxide container, and total solution is added together.
6. device used in a kind of high concentration fulvic acid potassium dihydrogen phosphate preparation method as claimed in claim 5 includes the
One container, second container and third container, which is characterized in that the first container is equipped with to be held equipped with second container and third
Device, second container are inclined to set in the first container, are designed with stirring rod in the first container, second container and third container,
The first container is connected to second container, third container by connecting pipe respectively, second container and third container and water inlet line
It is connected to, there are also phosphoric acid pipeline on third container, second container bottom is equipped with potassium hydroxide holding box, and third container is equipped with solid
Feed inlet and liquid inlet opening.
7. device used in high concentration fulvic acid potassium dihydrogen phosphate preparation method as claimed in claim 6, feature exist
In the stirring rod in the first container is in double fork-shapeds, and the first container bottom internal is equipped with damper rod, and the first container, second are held
Device and third container have nylon material to be made.
8. device used in high concentration fulvic acid potassium dihydrogen phosphate preparation method as claimed in claim 7, feature exist
In the first container and second container, third reservoir pipeline are equipped with booster pump.
9. device used in high concentration fulvic acid potassium dihydrogen phosphate preparation method as claimed in claim 7, feature exist
In, the liquid inlet opening, the first container respectively with second container, the connecting pipe of third reservoir, water inlet line, phosphoric acid
Have on pipeline equipped with valve and fluid flowmeter.
10. a kind of high concentration fulvic acid potassium dihydrogen phosphate preparation method preparation according to any one of claims 1-4
Application of the fertilizer in the plantation of Xinjiang little white apricot.
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