CN105254435B - A kind of a great number of elements Water soluble fertilizer anticaking agent and its Preparation equipment, method and application method - Google Patents
A kind of a great number of elements Water soluble fertilizer anticaking agent and its Preparation equipment, method and application method Download PDFInfo
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- CN105254435B CN105254435B CN201510763268.5A CN201510763268A CN105254435B CN 105254435 B CN105254435 B CN 105254435B CN 201510763268 A CN201510763268 A CN 201510763268A CN 105254435 B CN105254435 B CN 105254435B
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Abstract
A kind of a great number of elements Water soluble fertilizer anticaking agent and its Preparation equipment, method and application method, anticaking agent include sodium tripolyphosphate, anhydrous slufuric acid magnesium powder, anhydrous calcium chloride powder；By weight, 60~80 parts of sodium tripolyphosphate, 10~20 parts of anhydrous slufuric acid magnesium powder, 10~20 parts of anhydrous calcium chloride powder.Preparation equipment includes reaction warehouse, and sodium tripolyphosphate feed pipe, anhydrous calcium chloride powder feed pipe, anhydrous slufuric acid magnesium powder feed pipe are connect with reaction warehouse respectively, and vacuum evacuation device is connected to from reaction warehouse side with reaction warehouse；Air jet pipe is equipped with inside reaction warehouse, jet pipe surface is equipped with stomata, and air jet pipe is connected to the high-pressure air source outside reaction warehouse.Operation of the present invention is easy, is convenient for industrialized production, dosage is few, at low cost, no pollution to the environment, the double effects with anti-caking and fertilizer, and preventing blocking effect is good, the shatter value of a great number of elements Water soluble fertilizer can be made 92% or more, increase Water soluble fertilizer to the adaptability of different quality.
Description
Technical field
The invention belongs to technical field of fertilizers, specifically a kind of a great number of elements Water soluble fertilizer anticaking agent and its preparation are set
Standby, preparation method and application method.
Background technique
Water soluble fertilizer (Water Soluble Fertilizer, abbreviation WSF), be it is a kind of can be completely soluble it is more
Elements composite fertilizer, Water soluble fertilizer material match as a kind of with water-saving irrigation agricultural, tridimensional high-efficient cultivation, high-yield high-grade culture technique
A kind of new-type fertilizer generated is covered, has the characteristics that improve utilization rate of fertilizer, energy conservation and environmental protection, water-saving, province fertilizer, saving of labor, volume increase, is
One of the important directions of the following fertilizer morphology development.
In recent years, with intensive, the large-scale development of agricultural, the further scarcity of water resource, and large-scale farm is not
Disconnected to emerge in large numbers, drip irrigation and spray irrigation water saving facility agricultural area expands rapidly, and the demand of Water soluble fertilizer is gradually increased, and to Water soluble fertilizer
It is required that also increasingly improving.Compound fertilizer can gradually lose stream in storage, handling and transportational process or under specific external condition
Dynamic property and stick to each other simultaneously form lump, and compound fertilizer agglomeration not only influences product appearance quality, and cause using greatly not
Just, especially powdery or short grained water-soluble compound fertilizer is the chemical fertilizer easily crystallized, and partial size is small, large specific surface area, therefore has
More serious caking tendency.The fertilizer of agglomeration causes peasant using difficulty, seriously affects the product quality of manufacturing enterprise, enterprise is not
It obtains and does not use various anticaking agents, to achieve the purpose that anti-caking.
In the prior art, Anti-caking Agent for Complex Fertilizer mostly uses oil-soluble anticaking agent, need to not only consume several hundred tons every year
Mineral oil, use cost are high, and there are serious environmental pollutions, and are not able to satisfy water-soluble fertilizer to the limitation requirement of water-insoluble,
The anti-caking agent added in conventional complex fertilizer is usually not used for water-soluble fertilizer.How a kind of Water soluble fertilizer anticaking agent is provided
And preparation method thereof, using it is simple, conveniently, it is at low cost, while environmental pollution is effectively reduced, there are important ecological benefits and warp
Ji benefit, this is problems faced of the present invention.
Summary of the invention
That the purpose of the present invention is to provide a kind of dosages is few, at low cost, preventing blocking effect is good, it is micro- to be convenient for industrialized production
A kind of short grained a great number of elements Water soluble fertilizer anticaking agent and its Preparation equipment, preparation method and application method.
Realize that technical scheme is as follows, a kind of a great number of elements Water soluble fertilizer anticaking agent includes sodium tripolyphosphate, nothing
Water magnesium sulfate powder, anhydrous calcium chloride powder；By weight, 60~80 parts of sodium tripolyphosphate, 10~20 parts of anhydrous slufuric acid magnesium powder, nothing
10~20 parts of water calcium chloride powder.
Further, sodium tripolyphosphate fineness is 100-200 mesh, and the anhydrous magnesium sulfate powder fineness is 100-200 mesh,
The anhydrous calcium chloride powder fineness is 100-200 mesh.
A kind of Preparation equipment of a great number of elements Water soluble fertilizer anticaking agent includes reaction warehouse, sodium tripolyphosphate feed pipe, anhydrous
Calcium chloride powder feed pipe, anhydrous slufuric acid magnesium powder feed pipe are connect with reaction warehouse respectively, and vacuum evacuation device is from reaction warehouse side and instead
Storehouse is answered to be connected to；
Air jet pipe is equipped with inside the reaction warehouse, jet pipe surface is equipped with stomata, the high pressure outside air jet pipe and reaction warehouse
Gas source connection.
Further, reaction warehouse inner wall is equipped with continuous spiral.
Further, air jet pipe is set on the rotating pan, rotates dish driving air jet pipe in reaction warehouse internal rotating, the spray
Tracheae is fan-shaped.
A kind of preparation method of a great number of elements Water soluble fertilizer anticaking agent includes first step wet mixing, second step drying, third step
Feed wet mixing, the drying of the 4th step end grade；
First step wet mixing, including sodium tripolyphosphate is added in seal cavity, and the water of atomization is added in seal cavity
Point, the intracorporal humidity of seal chamber is less than 30 percent, and sodium tripolyphosphate rotates in seal cavity and surface is in conjunction with water,
And anhydrous calcium chloride powder is added, sodium tripolyphosphate and anhydrous calcium chloride powder are bonded, primary adhesive is formed；
Second step drying, heats the primary adhesive in seal cavity, makes the intracorporal humidity of seal chamber less than hundred
/ ten；
Third step charging wet mixing carries out mist spray to the primary adhesive for passing through second step drying in seal cavity, makes to seal
For the intracorporal humidity of chamber less than 30 percent, primary adhesive rotates in seal cavity and surface is in conjunction with water, and nothing is added
Water magnesium sulfate powder bonds primary adhesive and anhydrous slufuric acid magnesium powder, forms whole grade adhesive；
The drying of 4th step end grade, dries whole grade adhesive, makes the intracorporal humidity of seal chamber less than 5 percent；
The a great number of elements Water soluble fertilizer anticaking agent in particulate is produced by above step.
A kind of application method of a great number of elements Water soluble fertilizer anticaking agent, by a great number of elements Water soluble fertilizer anticaking agent and solid powder
Shape or graininess a great number of elements Water soluble fertilizer are sufficiently mixed by coating machine.
The invention has the following advantages over the prior art:
(1) anticaking agent of the invention has additive amount few, at low cost, easy to operate, the prominent advantage of preventing blocking effect,
The shatter value of Water soluble fertilizer can be made 92% or more.Water-insoluble meets the water-soluble fertilizer product national standard of a great number of elements.
(2) dispersion force of anticaking agent is strong, and uniformly, three kinds of raw materials of anticaking agent all have hygroscopicity to package, are made small
After particle, inside have numerous pores, water absorbing capacity greatly reinforces, the surface aggregation of fertilizer moisture can be effectively suppressed, hinder
The formation of crystal brige between fertiliser granulates prevents molecule diffusion, reduction capillary from sticking, reduces intergranular cohesive force, Er Qiesan
Polyphosphate sodium is a kind of inorganic surfactant, can reduce the surface tension of particle surface solution, drop capillary adsorption force
It is low, anti-caking is achieved the effect that by physical action.
(3) sodium tripolyphosphate used in the present invention has the ability of good complexation of metal ions, can be with calcium, magnesium, iron
Equal complexing of metal ion, generate soluble complexes, can increase the water solubility of Water soluble fertilizer, reduce condition of water quality to water-soluble rich water
The influence of dissolubility.
(4) anticaking agent of the invention, in addition to anti-caking effect, also containing nutrient needed for plant, trimerization
Phosphorus in sodium phosphate is a great number of elements needed for plant, and the magnesium, sulphur in anhydrous magnesium sulfate pulvis are moderate-elements needed for plant,
Calcium in anhydrous calcium chloride pulvis is also moderate-element needed for plant, the chlorine in sodium and anhydrous calcium chloride in sodium tripolyphosphate
It is microelement needed for plant, product of the present invention has anti-caking and fertilizer double effects.
(5) raw material used in the present invention can be absorbed and used by plants, and not polluted to soil and environment.
(6) present invention is a kind of low-carbon, environmental protection, economy, efficient a great number of elements Water soluble fertilizer anticaking agent, is had important
Ecological benefits and economic benefit.
Detailed description of the invention
Such as the Preparation equipment structural schematic diagram that Fig. 1 is a great number of elements Water soluble fertilizer anticaking agent.
Such as the Preparation equipment preferred structure schematic diagram that Fig. 2 is a great number of elements Water soluble fertilizer anticaking agent.
If Fig. 3 is reaction warehouse preferred structure schematic diagram.
If Fig. 4 is air jet pipe preferred structure schematic diagram.
If Fig. 5 is a great number of elements Water soluble fertilizer anticaking agent preparation method schematic diagram.
If Fig. 6 is the preferred schematic diagram of a great number of elements Water soluble fertilizer anticaking agent preparation method.
In attached drawing, reaction warehouse 1, sodium tripolyphosphate feed pipe 2, anhydrous calcium chloride powder feed pipe 3, the charging of anhydrous slufuric acid magnesium powder
Pipe 4, vacuum evacuation device 5, air jet pipe 6, rotating disk 7.
Specific embodiment
A kind of specific implementation of a great number of elements Water soluble fertilizer anticaking agent of the present invention is as follows: by the tripolyphosphate of 100-200 mesh
Anhydrous calcium chloride pulvis 80:10:10~60 by weight of the anhydrous magnesium sulfate pulvis of sodium and 100-200 mesh, 100-200 mesh:
The ratio of 20:20, the Preparation equipment through anticaking agent of the invention are prepared to get a great number of elements Water soluble fertilizer anticaking agent.
Below by specific example, the present invention will be further elaborated, it should explanation, following the description be only for
It explains the present invention, its content is not defined.
Embodiment 1
The weight ratio of a great number of elements Water soluble fertilizer anticaking agent each component are as follows: 60 parts of sodium tripolyphosphate, anhydrous magnesium sulfate pulvis
20 parts, 20 parts of anhydrous calcium chloride pulvis, by the nothing of the anhydrous magnesium sulfate pulvis of the sodium tripolyphosphate of 100 mesh and 100 mesh, 100 mesh
According to the above ratio, prepared by the Preparation equipment through anticaking agent of the invention for water calcium chloride pulvis, obtains a great number of elements Water soluble fertilizer
Anticaking agent.
Embodiment 2
The weight percent of a great number of elements Water soluble fertilizer anticaking agent each component are as follows: 70 parts of sodium tripolyphosphate, anhydrous magnesium sulfate
15 parts of pulvis, 15 parts of anhydrous calcium chloride pulvis, by the anhydrous magnesium sulfate pulvis of the sodium tripolyphosphate of 150 mesh and 150 mesh, 150 mesh
Anhydrous calcium chloride pulvis according to the above ratio, prepared by the Preparation equipment through anticaking agent of the invention, obtain a great number of elements water
Molten fertilizer anticaking agent.
Embodiment 3
The weight percent of a great number of elements Water soluble fertilizer anticaking agent each component are as follows: 80 parts of sodium tripolyphosphate, anhydrous magnesium sulfate
10 parts of pulvis, 10 parts of anhydrous calcium chloride pulvis, by the anhydrous magnesium sulfate pulvis of the sodium tripolyphosphate of 200 mesh and 200 mesh, 200 mesh
Anhydrous calcium chloride pulvis according to the above ratio, prepared by the Preparation equipment through anticaking agent of the invention, obtain a great number of elements water
Molten fertilizer anticaking agent.
Application method of the present invention is uniformly to be mixed in anticaking agent between fertiliser granulates by coating machine, uses simple side
Just.
Use scope of the present invention: powdery a great number of elements Water soluble fertilizer, granular a great number of elements Water soluble fertilizer, organic-inorganic Water soluble fertilizer,
There is good using effect to the high nitrogen Water soluble fertilizer or high-nitrogen organic and inorganic Water soluble fertilizer easily agglomerated.
Specifically used method of the present invention:
After a great number of elements Water soluble fertilizer or the screening of organic-inorganic Water soluble fertilizer, uniformly it is used in mixed way using coating machine；Usage amount 5
~10 kg/ton of Water soluble fertilizers.
Agglomeration preventing performance test 1 of the present invention:
(1) experimental raw:
A great number of elements Water soluble fertilizer 1:20-15-15+TE (chloro), wherein 20 parts of N content, P2O515 parts of content, K2O content 15
Part, TE represents microelement, 0.3 part of trace elements zn, B0.2 parts in this proportion.(above-mentioned is mass percentage)
A great number of elements Water soluble fertilizer 2:15-15-20 (chloro), 5 parts of the content of organic matter, wherein 15 parts of N content, P2O5Content 15
Part, K220 parts of O content.
It is anticaking agent prepared by the embodiment of the present invention 1, commercially available anticaking agent A (ingredient is without the raw materials used in the present invention), commercially available
Anticaking agent B (oily).
Amount of preparation: 2500kg
(2) experimental method:
Processing 1: addition anticaking agent 12.5kg of the present invention
Processing 2: addition 12.5kg anticaking agent A
Processing 3: addition 12.5kg anticaking agent B
Processing 4: it is not added with anticaking agent product
4 piles are respectively stacked respectively with the Water soluble fertilizer of 4 kinds of anticaking agent processing, 25 bags of totally 32 pile height of embankment, 25 kilograms every bag, dew
Canopy canvas, by 30d, 45d, 60d, 90d time carry out preventing blocking effect survey to the 16th, 18,20 bag of number from top to bottom respectively
Examination, taking 3 bags of average value every time is a test data, and packed Water soluble fertilizer is raised to 1 meter of height, is freely fallen to same hard
Ground on, it is positive and negative to fall twice, sieved after unpacking with the standard screen of 2.8mm, sieve intensity and frequency every time and be consistent,
Oversize is agglomeration product, and anti-caking rate=(one oversize weight of total weight)/total weight × 100%, oversize is fewer, anti-caking
Block rate is higher, shows that preventing blocking effect is better.
(3) experimental result:
The effect test result (anti-caking rate) of the anticaking agent of 1 embodiment 1 of table preparation
Agglomeration preventing performance of the present invention tests 2-3:
Test method with agglomeration preventing performance test 1, respectively to embodiment 2-3 preparation anticaking agent preventing blocking effect into
Row test, the results showed that, the caking rate of the anticaking agent product of addition embodiment 2-3 preparation is 92% or more, shows this hair
Bright anticaking agent significant effect.
Water insoluble substance determination experiment:
To a great number of elements water-soluble fertilizer water insoluble substance determination for adding anticaking agent of the present invention, water insoluble substance determination method is pressed
It is carried out according to the measuring method of water insoluble matter content in NY/T1973 " measurement of water-soluble fertilizer water insoluble matter content and pH ".Measurement knot
Fruit is as follows:
Table 2 adds embodiment 1-3 macroelement fertilizer water insoluble substance determination result.
As can be seen from Table 2, added with a great number of elements water-soluble fertilizer of anticaking agent of the present invention, water insoluble matter content is equal
0.5% hereinafter, meeting the requirement of chemical industry newest standards, therefore, anticaking agent prepared by the present invention is suitable for addition big
In secondary element water-soluble fertilizer.
As shown in Figure 1, a kind of Preparation equipment of a great number of elements Water soluble fertilizer anticaking agent includes reaction warehouse 1, sodium tripolyphosphate
Feed pipe 2, anhydrous calcium chloride powder feed pipe 3, anhydrous slufuric acid magnesium powder feed pipe 4 are connect with reaction warehouse 1 respectively, vacuum evacuation device 5
It is connected to from 1 side of reaction warehouse with reaction warehouse 1；
Air jet pipe 6 is equipped with inside reaction warehouse 1,6 surface of air jet pipe is equipped with stomata, the high pressure outside air jet pipe 6 and reaction warehouse 1
Gas source connection.
As shown in Fig. 2, air jet pipe 6 is located in rotating disk 7, rotating disk 7 drives air jet pipe 6 in 1 internal rotating of reaction warehouse, such as
Shown in Fig. 4, it is preferred that air jet pipe 6 is fan-shaped, can also be S-shaped, processing capacity it is small when, can be selected S-shaped.
Preferably, as 1 inner wall of Fig. 3 reaction warehouse is equipped with continuous spiral.
In Fig. 5, a kind of preparation method of a great number of elements Water soluble fertilizer anticaking agent includes that first step wet mixing, second step dry
Dry, third step charging wet mixing, the drying of the 4th step end grade；
First step wet mixing, including sodium tripolyphosphate is added in seal cavity (reaction warehouse 1), and is added in seal cavity
The moisture of atomization, the intracorporal humidity of seal chamber less than 30 percent, sodium tripolyphosphate rotated in seal cavity and surface with
Water combines, and anhydrous calcium chloride powder is added, and bonds sodium tripolyphosphate and anhydrous calcium chloride powder, forms primary adhesive；
Second step drying, heats the primary adhesive in seal cavity, makes the intracorporal humidity of seal chamber less than hundred
/ ten；
Third step charging wet mixing carries out mist spray to the primary adhesive for passing through second step drying in seal cavity, makes to seal
For the intracorporal humidity of chamber less than 30 percent, primary adhesive rotates in seal cavity and surface is in conjunction with water, and nothing is added
Water magnesium sulfate powder bonds primary adhesive and anhydrous slufuric acid magnesium powder, forms whole grade adhesive；
The drying of 4th step end grade, dries whole grade adhesive, makes the intracorporal humidity of seal chamber less than 5 percent；
The a great number of elements Water soluble fertilizer anticaking agent in molecule is produced by above step.
In Fig. 6, a kind of preparation of a great number of elements Water soluble fertilizer anticaking agent further includes vacuum step, in first step wet mixing
Before, first step wet mixing and second step drying between, second step drying third step charging wet mixing between, third step feed wet mixing with
Between the drying of 4th step end grade, all by being vacuumized, to improve the efficiency of preparation.
Molecule is made in a great number of elements Water soluble fertilizer anticaking agent, sodium tripolyphosphate, anhydrous slufuric acid magnesium powder, nothing can be made
Water calcium chloride powder is uniformly blended in by a certain percentage in a finely ground particles, by preparation process, makes to be full of inside particle
Numerous capillary micropores, increase water absorption through capillary action, and when in use, molecule is uniformly mixed in Water soluble fertilizer, shape
At the suction point of Relatively centralized one by one, to realize anti-caking.
Claims (2)
1. a kind of a great number of elements Water soluble fertilizer anticaking agent, it is characterised in that: the anticaking agent is by sodium tripolyphosphate, anhydrous slufuric acid
Magnesium powder, anhydrous calcium chloride powder composition；By weight, 60~80 parts of sodium tripolyphosphate, 10~20 parts of anhydrous slufuric acid magnesium powder, anhydrous chlorine
Change 10~20 parts of calcium powder;
The sodium tripolyphosphate fineness is 100-200 mesh, and the anhydrous magnesium sulfate powder fineness is 100-200 mesh, the nothing
Water calcium chloride powder fineness is 100-200 mesh；
A great number of elements Water soluble fertilizer anticaking agent preparation method includes first step wet mixing, second step drying, third step charging wet mixing, the
The drying of four step end grades；
First step wet mixing, including sodium tripolyphosphate is added in seal cavity, and the moisture of atomization is added in seal cavity, it is close
The intracorporal humidity of chamber is sealed less than 30 percent, sodium tripolyphosphate rotates in seal cavity and surface is in conjunction with water, and is added
Anhydrous calcium chloride powder bonds sodium tripolyphosphate and anhydrous calcium chloride powder, forms primary adhesive；
Second step drying, heats the primary adhesive in seal cavity, makes the intracorporal humidity of seal chamber less than percent
Ten；
Third step charging wet mixing carries out mist spray to the primary adhesive for passing through second step drying in seal cavity, makes seal cavity
For interior humidity less than 30 percent, primary adhesive rotates in seal cavity and surface is in conjunction with water, and anhydrous sulphur is added
Sour magnesium powder bonds primary adhesive and anhydrous slufuric acid magnesium powder, forms whole grade adhesive；
The drying of 4th step end grade, dries whole grade adhesive, makes the intracorporal humidity of seal chamber less than 5 percent；
It produces by above step in small block-like a great number of elements Water soluble fertilizer anticaking agent.
2. a kind of Preparation equipment of a great number of elements Water soluble fertilizer anticaking agent according to claim 1, it is characterised in that: described
Equipment includes reaction warehouse, and sodium tripolyphosphate feed pipe, anhydrous calcium chloride powder feed pipe, anhydrous slufuric acid magnesium powder feed pipe are respectively and instead
Storehouse is answered to connect, vacuum evacuation device is connected to from reaction warehouse side with reaction warehouse；
Air jet pipe is equipped with inside the reaction warehouse, jet pipe surface is equipped with stomata, the high-pressure air source outside air jet pipe and reaction warehouse
Connection;
The reaction warehouse inner wall is equipped with continuous spiral;
The air jet pipe is set on the rotating pan, rotates dish driving air jet pipe in reaction warehouse internal rotating, the air jet pipe is in
It is fan-shaped;
Mist spray pipe is equipped with inside the reaction warehouse.
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Families Citing this family (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107759374A (en) * | 2017-12-05 | 2018-03-06 | 上海永通化工有限公司 | A kind of anticaking agent for a great number of elements Water soluble fertilizer |
| CN108424302A (en) * | 2018-06-08 | 2018-08-21 | 中国-阿拉伯化肥有限公司 | A kind of powder nitro Water soluble fertilizer anticaking agent and preparation method thereof and application method |
| CN109053229A (en) * | 2018-08-29 | 2018-12-21 | 交城县金兰化工有限公司 | A kind of preparation method of anti-caking water soluble fertilizer |
| CN109694283A (en) * | 2019-03-12 | 2019-04-30 | 东莞德盛肥料科技有限公司 | A kind of solid water-soluble fertilizer anti-caking block method and anti-caking solid water-soluble fertilizer |
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