CN113354468A - Low-caking-rate water-soluble organic fertilizer retreatment process - Google Patents
Low-caking-rate water-soluble organic fertilizer retreatment process Download PDFInfo
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- CN113354468A CN113354468A CN202110602851.3A CN202110602851A CN113354468A CN 113354468 A CN113354468 A CN 113354468A CN 202110602851 A CN202110602851 A CN 202110602851A CN 113354468 A CN113354468 A CN 113354468A
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- C—CHEMISTRY; METALLURGY
- C05—FERTILISERS; MANUFACTURE THEREOF
- C05F—ORGANIC FERTILISERS NOT COVERED BY SUBCLASSES C05B, C05C, e.g. FERTILISERS FROM WASTE OR REFUSE
- C05F11/00—Other organic fertilisers
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- C—CHEMISTRY; METALLURGY
- C05—FERTILISERS; MANUFACTURE THEREOF
- C05G—MIXTURES OF FERTILISERS COVERED INDIVIDUALLY BY DIFFERENT SUBCLASSES OF CLASS C05; MIXTURES OF ONE OR MORE FERTILISERS WITH MATERIALS NOT HAVING A SPECIFIC FERTILISING ACTIVITY, e.g. PESTICIDES, SOIL-CONDITIONERS, WETTING AGENTS; FERTILISERS CHARACTERISED BY THEIR FORM
- C05G3/00—Mixtures of one or more fertilisers with additives not having a specially fertilising activity
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- C—CHEMISTRY; METALLURGY
- C05—FERTILISERS; MANUFACTURE THEREOF
- C05G—MIXTURES OF FERTILISERS COVERED INDIVIDUALLY BY DIFFERENT SUBCLASSES OF CLASS C05; MIXTURES OF ONE OR MORE FERTILISERS WITH MATERIALS NOT HAVING A SPECIFIC FERTILISING ACTIVITY, e.g. PESTICIDES, SOIL-CONDITIONERS, WETTING AGENTS; FERTILISERS CHARACTERISED BY THEIR FORM
- C05G3/00—Mixtures of one or more fertilisers with additives not having a specially fertilising activity
- C05G3/30—Anti-agglomerating additives; Anti-solidifying additives
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- C—CHEMISTRY; METALLURGY
- C05—FERTILISERS; MANUFACTURE THEREOF
- C05G—MIXTURES OF FERTILISERS COVERED INDIVIDUALLY BY DIFFERENT SUBCLASSES OF CLASS C05; MIXTURES OF ONE OR MORE FERTILISERS WITH MATERIALS NOT HAVING A SPECIFIC FERTILISING ACTIVITY, e.g. PESTICIDES, SOIL-CONDITIONERS, WETTING AGENTS; FERTILISERS CHARACTERISED BY THEIR FORM
- C05G5/00—Fertilisers characterised by their form
- C05G5/10—Solid or semi-solid fertilisers, e.g. powders
- C05G5/12—Granules or flakes
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- C—CHEMISTRY; METALLURGY
- C05—FERTILISERS; MANUFACTURE THEREOF
- C05G—MIXTURES OF FERTILISERS COVERED INDIVIDUALLY BY DIFFERENT SUBCLASSES OF CLASS C05; MIXTURES OF ONE OR MORE FERTILISERS WITH MATERIALS NOT HAVING A SPECIFIC FERTILISING ACTIVITY, e.g. PESTICIDES, SOIL-CONDITIONERS, WETTING AGENTS; FERTILISERS CHARACTERISED BY THEIR FORM
- C05G5/00—Fertilisers characterised by their form
- C05G5/30—Layered or coated, e.g. dust-preventing coatings
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Abstract
The invention discloses a reprocessing process of a water-soluble organic fertilizer with low caking rate, belonging to the field of organic fertilizers, wherein fertilizer particles are reprocessed to form a fiber net on the surfaces of the fertilizer particles, the fiber net can form a separation between two adjacent fertilizer particles, so that the two adjacent fertilizer particles are not in contact with each other under the separation of the fiber net, and when the water-soluble fertilizer absorbs moisture slightly due to long-time storage or high environmental humidity, compared with the prior art, the caking phenomenon is not easy to occur under the separation of the fiber net, the particle size of the fertilizer particles is further effectively ensured not to be changed greatly under the condition of micro water solubility, the nutrient loss is effectively avoided, the application effect of the same number of fertilizer particles is not easy to become poor, and in addition, the fiber particles and the fiber rods are randomly distributed on the surfaces of the fertilizer particles in a disorder way, the gaps exist among the fiber nets, so that the water solubility of the fiber nets is not easily influenced when the fiber nets are used.
Description
Technical Field
The invention relates to the field of organic fertilizers, in particular to a water-soluble organic fertilizer retreatment process with low caking rate.
Background
The organic fertilizer is mainly derived from plants and/or animals, and is a carbon-containing material which is applied to soil to provide plant nutrition as a main function. Is prepared from biological substances, animal and plant wastes and plant residues, eliminates toxic and harmful substances in the biological substances, and is rich in a large amount of beneficial substances, including: various organic acids, peptides and rich nutrient elements including nitrogen, phosphorus and potassium. The fertilizer not only can provide comprehensive nutrition for crops, but also has long fertilizer efficiency, can increase and update soil organic matters, promote microbial propagation, improve the physical and chemical properties and biological activity of soil, and is a main nutrient for green food production.
The organic fertilizer of instant type because its instant nature leads to having superstrong affinity to water for the moisture in the organic fertilizer very easily adsorbs the air, leads to the organic fertilizer granule to agglomerate, can lead to the particle size of organic fertilizer granule to diminish even when serious, leads to the nutrient loss more, makes the water-soluble fertilizer of the same quantity receive the influence to the effect of using of crops.
Disclosure of Invention
1. Technical problem to be solved
Aiming at the problems in the prior art, the invention aims to provide a low-caking-rate water-soluble organic fertilizer retreatment process, which comprises the steps of spraying fiber granules or fiber rods on fertilizer granules for retreatment, so that a fiber net is formed on the surfaces of the fertilizer granules, the fiber net can form a separation between two adjacent fertilizer granules, the two adjacent fertilizer granules are not contacted with each other under the separation of the fiber net, when the water-soluble fertilizer is slightly hygroscopic due to long-time storage or high environmental humidity, compared with the prior art, the caking phenomenon is not easy to occur under the separation of the fiber net, the grain size of the fertilizer granules is further effectively ensured not to be greatly changed under the condition of micro-water solubility, the nutrient loss is effectively avoided, the application effect of the same number of the fertilizer granules is not easy to become poor, and the fiber granules and the fiber rods are randomly distributed on the surfaces of the fertilizer granules in a disorder way, the gaps exist among the fiber nets, so that the water solubility of the fiber nets is not easily influenced when the fiber nets are used.
2. Technical scheme
In order to solve the above problems, the present invention adopts the following technical solutions.
A water-soluble organic fertilizer retreatment process with low caking rate comprises the following steps:
s1, dispersing and dissolving the water-soluble organic fertilizer raw material, introducing the water-soluble organic fertilizer raw material into a homogenizing pump and a grinding pump, dispersing, stirring, homogenizing and emulsifying to obtain raw material ultra-fine particles, and granulating the ultra-fine particles by a granulator to obtain fertilizer particles;
s2, drying the plant fibers, and then smashing the plant fibers to obtain fiber particles for later use;
s3, spraying atomized water on the surfaces of the fertilizer particles, and after 1-2S, spraying fiber particles to enable the fiber particles to be adhered to the surfaces of the fertilizer particles to form a fiber net, wherein the surfaces of the fertilizer particles are slightly water-soluble under the action of water mist, so that the fiber net is adhered to the surfaces of the fiber particles;
s4, drying to solidify the water-soluble part on the surface of the fertilizer granules, so that the fiber net is fixed on the surface of the fertilizer granules, and obtaining the reprocessed water-soluble organic fertilizer.
Furthermore, the particle size of the fiber particles obtained after the plant fibers are smashed is 1-2mm, and the particle size is too large, so that the plant fibers are easy to loosen and fall off when being adhered to the surfaces of the fertilizer particles, and the effect of inhibiting the two fertilizer particles from caking after moisture absorption is poor.
Further, before spraying the fiber particles in step S3, the fiber particles are magnetized by an external magnetic field, and then the fiber particles are sprayed together with the atomized water on the surface of the fertilizer particles, after the fiber particles are magnetized, the atomized water and the fiber particles are sprayed together, after the fiber particles are sprayed on the surface of the fertilizer particles, and when the fiber particles are magnetically attracted to each other, the surface of the fertilizer particles is not slightly water-soluble, and due to the mutual adsorption force, the fiber nets can be mutually adsorbed and positioned without the adhesion force of the water-soluble fertilizer particles, and are not easy to drop, and in this operation, the fiber particles are sprayed together with the atomized water, so that the reprocessing efficiency of the water-soluble fertilizer is remarkably improved.
Further, the steps S3 and S4 are replaced with:
spraying atomized water-soluble film to form a water-soluble film layer on the surface of the fertilizer particles, and then spraying fiber particles on the surface of the fertilizer particles to adhere the fiber particles on the surface of the water-soluble film layer and form a fiber net;
drying to solidify the water-soluble film layer on the surface of the fertilizer granules, so that the fiber net is fixed on the surface of the fertilizer granules, and obtaining the reprocessed water-soluble organic fertilizer.
Further, the preparation process of the atomized water-soluble film comprises the following steps:
the water-soluble fertilizer is prepared by crushing water-soluble materials, mixing the water-soluble materials and water according to the proportion of 2-3:1 to obtain water-soluble slurry, atomizing the water-soluble slurry to obtain an atomized water-soluble film, wherein the sprayed water-soluble film can replace sprayed atomized water to enable fertilizer particles to be slightly soluble and generate adhesion to fiber particles, and a protective layer can be formed on the surfaces of the fertilizer particles again after the formed water-soluble film is solidified.
Further, the retreatment process of the water-soluble organic fertilizer with the low caking rate comprises the following steps:
s1, dispersing and dissolving the water-soluble organic fertilizer raw material, introducing the water-soluble organic fertilizer raw material into a homogenizing pump and a grinding pump, dispersing, stirring, homogenizing and emulsifying to obtain raw material ultra-fine particles, and granulating the ultra-fine particles by a granulator to obtain fertilizer particles;
s2, spraying atomized water on the surfaces of the fertilizer granules, and after 1-2S, spraying a fiber rod to enable the fiber rod to be adhered to the surfaces of the fertilizer granules and form a fiber net, wherein the surfaces of the fertilizer granules are slightly water-soluble under the action of water mist, so that the fiber net is adhered to the surfaces of the fiber granules;
s3, drying to solidify the water-soluble part on the surface of the fertilizer granules, so that the fiber net is fixed on the surface of the fertilizer granules, and obtaining the reprocessed water-soluble organic fertilizer.
Further, the fiber rod includes that the fibre links the strip and two package powder balls of fixed connection at the fibre links the strip both ends respectively, package powder ball inside packing has the moisture absorption dry powder, package powder ball outer end fixedly connected with a plurality of evenly distributed lead wet pre-melting strip, package powder ball inside runs through to inlay has a plurality of evenly distributed's pre-melting ball, lead wet pre-melting strip tip embedding in the pre-melting ball, lead wet pre-melting strip and pre-melting ball and be water-soluble material and make, when the spraying fiber rod, lead wet pre-melting strip and the contact of little water-soluble fertilizer grain surface adhesion, make its part water-soluble, and then effective supplementary fiber rod adhesion is on fertilizer grain surface, the stability after the fibrous net of being convenient for formed.
Furthermore, the fiber connecting strip and the powder coating balls are made of degradable materials, so that the fiber connecting strip and the powder coating balls can be automatically degraded after being applied along with fertilizer particles and are not easy to influence the environment, and the fiber connecting strip is of a flexible structure, so that the fiber connecting strip can be adaptively changed along with the spraying force and the shape during spraying, the powder coating balls at two ends can be adhered to the surfaces of the fertilizer particles, and the stability of the formed fiber net is further improved.
Furthermore, the moisture absorption dry powder is formed by drying, dewatering and grinding plant leaves, when the humidity in the environment is high, and the fertilizer granules absorb moisture seriously, the moisture absorption dry powder enters the pre-melting ball along the moisture guide pre-melting strips, the pre-melting ball is gradually dissolved in water, so that more gaps are generated on the surface of the powder coating ball, the moisture absorption dry powder inside the powder coating ball leaks and adheres to the surface of the fertilizer granules, the humidity on the surface of the fertilizer granules is further effectively reduced, the possibility of caking and bonding between two adjacent fertilizer granules is further reduced, the filling degree of the moisture absorption dry powder in the powder coating ball is 75-85%, the moisture absorption dry powder is provided with a larger loosening space in the powder coating ball, the moisture absorption dry powder has higher fluidity, and the moisture absorption dry powder is convenient to overflow outwards after the pre-melting ball is dissolved in water.
3. Advantageous effects
Compared with the prior art, the invention has the advantages that:
(1) this scheme is through advancing the retreatment to the fertilizer grain, make fertilizer grain surface form the fibre net, the fibre net can form as the isolation between two adjacent fertilizer grains, make two adjacent fertilizer grains mutually contactless under the separation of fibre net, it is higher to save or ambient humidity for a long time, when leading to water-soluble fertilizer moisture absorption slightly soluble, compare in prior art, be difficult for appearing the caking phenomenon under the fibre net separation, and then effectively guarantee that the particle diameter of fertilizer grain is difficult for appearing great change under the little water-soluble condition, and then effectively avoid the nutrient loss, the condition of the effect variation of using of the fertilizer grain of the same figure is difficult to appear, fibre grain and fiber rod are out of order random distribution each other on fertilizer grain surface in addition, there is the space each other, when using, make the fibre net be difficult for influencing its water-solubility.
(2) The particle size of the fiber particles obtained after the plant fibers are smashed is 1-2mm, and the particle size is too large, so that the fiber particles are easy to loosen and fall off when being adhered to the surface of the fertilizer particles, and the effect of inhibiting the two fertilizer particles from caking after moisture absorption is poor.
(3) Before spraying the fiber particles in the step S3, the fiber particles are magnetized by an external magnetic field, and then the fiber particles and atomized water are sprayed on the surface of the fertilizer particles together, after the fiber particles are magnetized, the atomized water and the fiber particles are sprayed together, when the fiber particles are sprayed on the surface of the fertilizer particles and are magnetically attracted with each other, the surfaces of the fertilizer particles are not slightly water-soluble, and due to the mutual adsorption force, the fiber nets can be mutually adsorbed and positioned and are not easy to fall off under the action of the adhesion force of the water-soluble fertilizer particles, and in the operation, the fiber particles and the atomized water are sprayed together, so that the retreatment efficiency of the water-soluble fertilizer is obviously improved.
(4) The preparation process of the atomized water-soluble film comprises the following steps: the water-soluble fertilizer is prepared by crushing water-soluble materials, mixing the water-soluble materials and water according to the proportion of 2-3:1 to obtain water-soluble slurry, atomizing the water-soluble slurry to obtain an atomized water-soluble film, wherein the sprayed water-soluble film can replace sprayed atomized water to enable fertilizer particles to be slightly soluble and generate adhesion to fiber particles, and a protective layer can be formed on the surfaces of the fertilizer particles again after the formed water-soluble film is solidified.
(5) The fiber rod includes that the fibre links the strip and two package powder balls of fixed connection at the fibre links the strip both ends respectively, package powder ball inside packing has the moisture absorption dry powder, package powder ball outer end fixedly connected with a plurality of evenly distributed lead wet strip of melting in advance, package powder ball inside runs through to inlay has a plurality of evenly distributed's ball of melting in advance, lead wet strip tip embedding of melting in advance, lead wet strip of melting in advance and melt the ball in advance and be water-soluble material and make, when the spraying fiber rod, lead wet strip of melting in advance and the contact of fertilizer grain surface adhesion of water-soluble a little, make its part water-soluble, and then effectively supplementary fiber rod adhesion is on fertilizer grain surface, be convenient for the stability after the fiber net forms.
(6) The fiber connecting strip and the powder coating balls are made of degradable materials, can be automatically degraded after being applied along with the fertilizer granules, are not easy to influence the environment, are of flexible structures, can be adaptively changed along with the spraying force and the shape during spraying, and can be adhered to the surfaces of the fertilizer granules, so that the stability of the formed fiber net is further improved.
(7) The moisture absorption dry powder is formed by plant leaves through drying, dewatering and grinding, when the humidity in the environment is high, and the fertilizer granules absorb moisture seriously, the moisture absorption dry powder enters the pre-melting ball along the moisture guide pre-melting strips, the pre-melting ball is gradually dissolved in water, so that more gaps are generated on the surface of the powder packaging ball, the moisture absorption dry powder inside the powder packaging ball leaks and adheres to the surface of the fertilizer granules, the humidity on the surface of the fertilizer granules is effectively reduced, the possibility of caking and bonding between two adjacent fertilizer granules is further reduced, the filling degree of the moisture absorption dry powder in the powder packaging ball is 75-85%, the moisture absorption dry powder has larger loosening space in the powder packaging ball, the moisture absorption dry powder has higher fluidity, and the moisture absorption dry powder is convenient to overflow outwards after the pre-melting ball is dissolved in water.
Drawings
FIG. 1 is a schematic diagram of the main flow structure of the present invention;
FIG. 2 is a schematic diagram of a process for preparing the fibrous particles of the present invention;
FIG. 3 is a schematic view of the main flow structure of embodiment 2 of the present invention;
FIG. 4 is a schematic view of a main flow structure of embodiment 4 of the present invention;
FIG. 5 is a schematic structural view of a fiber rod of the present invention;
FIG. 6 is a schematic view of the structure at A in FIG. 5;
FIG. 7 is a schematic view of the structure of the water-soluble fertilizer after being treated again in examples 1, 2 and 3 of the present invention after absorbing moisture;
FIG. 8 is a schematic view showing the structure of a water-soluble fertilizer after being treated again and absorbing moisture in example 4 of the present invention;
fig. 9 is a schematic structural diagram of a water-soluble fertilizer after moisture absorption and agglomeration in the prior art.
The reference numbers in the figures illustrate:
1 fiber rod, 11 fiber connecting strips, 12 packages of powder balls, 13 moisture-conducting pre-melting strips and 14 pre-melting balls.
Detailed Description
The drawings in the embodiments of the invention will be combined; the technical scheme in the embodiment of the invention is clearly and completely described; obviously; the described embodiments are only some of the embodiments of the invention; but not all embodiments, are based on the embodiments of the invention; all other embodiments obtained by a person skilled in the art without making any inventive step; all fall within the scope of protection of the present invention.
In the description of the present invention, it should be noted that the terms "upper", "lower", "inner", "outer", "top/bottom", and the like indicate orientations or positional relationships based on those shown in the drawings, and are only for convenience of description and simplification of description, but do not indicate or imply that the referred device or element must have a specific orientation, be constructed in a specific orientation, and be operated, and thus should not be construed as limiting the present invention. Furthermore, the terms "first" and "second" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance.
In the description of the present invention, it should be noted that, unless otherwise explicitly specified or limited, the terms "mounted," "disposed," "sleeved/connected," "connected," and the like are to be construed broadly, e.g., "connected," which may be fixedly connected, detachably connected, or integrally connected; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meanings of the above terms in the present invention can be understood in specific cases to those skilled in the art.
Example 1:
referring to fig. 1, wherein a represents fertilizer particles, b represents sprayed atomized water, and c represents a fiber net, a process for reprocessing a water-soluble organic fertilizer with a low caking rate comprises the following steps:
s1, dispersing and dissolving the water-soluble organic fertilizer raw material, introducing the water-soluble organic fertilizer raw material into a homogenizing pump and a grinding pump, dispersing, stirring, homogenizing and emulsifying to obtain raw material ultra-fine particles, and granulating the ultra-fine particles by a granulator to obtain fertilizer particles;
s2, please refer to fig. 2, drying the plant fiber, then crushing the plant fiber to obtain fiber particles for standby;
s3, spraying atomized water on the surfaces of the fertilizer particles, and after 1-2S, spraying fiber particles to enable the fiber particles to be adhered to the surfaces of the fertilizer particles to form a fiber net, wherein the surfaces of the fertilizer particles are slightly water-soluble under the action of water mist, so that the fiber net is adhered to the surfaces of the fiber particles;
s4, drying to solidify the water-soluble part on the surface of the fertilizer granules, so that the fiber net is fixed on the surface of the fertilizer granules, and obtaining the reprocessed water-soluble organic fertilizer.
Example 2:
referring to fig. 3, a water-soluble organic fertilizer reprocessing process with low caking rate includes the following steps:
s1, dispersing and dissolving the water-soluble organic fertilizer raw material, introducing the water-soluble organic fertilizer raw material into a homogenizing pump and a grinding pump, dispersing, stirring, homogenizing and emulsifying to obtain raw material ultra-fine particles, and granulating the ultra-fine particles by a granulator to obtain fertilizer particles;
s2, drying the plant fibers, then smashing the plant fibers to obtain fiber particles for later use, and magnetizing the fiber particles through an external magnetic field;
s3, spraying the fiber particles and atomized water on the surfaces of the fertilizer particles to enable the fiber particles to be adhered to the surfaces of the fertilizer particles and form fiber nets which are mutually adsorbed, and slightly dissolving the surfaces of the fertilizer particles in water under the action of water mist to enable the fiber nets to be adhered to the surfaces of the fiber particles;
s4, drying to solidify the water-soluble part on the surface of the fertilizer granules, so that the fiber net is fixed on the surface of the fertilizer granules, and obtaining the reprocessed water-soluble organic fertilizer.
After the fibre grain possesses the magnetism, atomized water and fibre grain together spraying this moment, after the fibre grain spraying was surperficial to fertilizer grain, when possessing the magnetism each other, when making fertilizer grain surface not yet reached water-solubility each other, because adsorption affinity each other makes the fibre net under the effect of not water-soluble fertilizer grain adhesion, can the mutual adsorption location, is difficult for dropping, and the fibre grain is sprayed together with atomized water in this operation and is showing the efficiency that improves water-soluble fertilizer retreatment.
Example 3:
a water-soluble organic fertilizer retreatment process with low caking rate comprises the following steps:
s1, dispersing and dissolving the water-soluble organic fertilizer raw material, introducing the water-soluble organic fertilizer raw material into a homogenizing pump and a grinding pump, dispersing, stirring, homogenizing and emulsifying to obtain raw material ultra-fine particles, and granulating the ultra-fine particles by a granulator to obtain fertilizer particles;
s2, drying the plant fibers, and then smashing the plant fibers to obtain fiber particles for later use;
s3, spraying the atomized water-soluble film to form a water-soluble film layer on the surface of the fertilizer particles, and then spraying the fiber particles on the surface of the fertilizer particles to adhere the fiber particles on the surface of the water-soluble film layer and form a fiber net;
s4, drying to solidify the water-soluble film layer on the fertilizer particle surface, so that the fiber net is fixed on the fertilizer particle surface, and the reprocessed water-soluble organic fertilizer is obtained.
The preparation process of the atomized water-soluble film comprises the following steps:
crushing the water-soluble material, mixing the water-soluble material and water according to the proportion of 2-3:1 to obtain water-soluble pulp, and atomizing the water-soluble pulp to obtain the atomized water-soluble film.
Obtain atomizing water-soluble membrane with water-soluble thick liquid atomizing, the water-soluble membrane of here spraying can replace spraying atomizing water to make fertilizer grain self slightly soluble and the adhesion that produces the fibre grain, can form the one deck inoxidizing coating to fertilizer grain surface once more after the water-soluble rete solidification of while formation, when the moisture absorption, it is water-soluble preferentially, the difficult great change that takes place of the particle diameter of effectively guaranteeing every fertilizer grain itself, effectively reduce nutrient composition's loss, and the use of water-soluble rete, do not need interval 1-2s after the spraying, but direct spraying fibre grain, equally can improve the holistic retreatment efficiency of water-soluble fertilizer.
In the three embodiments, the particle size of the fiber particles obtained by crushing the plant fibers is 1-2mm, and the particle size is too large, so that the fiber particles are easy to loosen and fall off when being adhered to the surface of the fertilizer particles, and the effect of inhibiting the two fertilizer particles from caking after moisture absorption is poor.
Example 4:
referring to fig. 4, a water-soluble organic fertilizer reprocessing process with low caking rate includes the following steps:
s1, dispersing and dissolving the water-soluble organic fertilizer raw material, introducing the water-soluble organic fertilizer raw material into a homogenizing pump and a grinding pump, dispersing, stirring, homogenizing and emulsifying to obtain raw material ultra-fine particles, and granulating the ultra-fine particles by a granulator to obtain fertilizer particles;
s2, spraying atomized water on the surfaces of the fertilizer granules, and after 1-2S, spraying the fiber rod 1 to enable the fiber rod 1 to be adhered to the surfaces of the fertilizer granules and form a fiber net, wherein the surfaces of the fertilizer granules are slightly water-soluble under the action of the water mist, so that the fiber net is adhered to the surfaces of the fiber granules;
s3, drying to solidify the water-soluble part on the surface of the fertilizer granules, so that the fiber net is fixed on the surface of the fertilizer granules, and obtaining the reprocessed water-soluble organic fertilizer.
Referring to fig. 5-6, the fiber rod 1 includes a fiber connecting strip 11 and two powder-wrapping balls 12 fixedly connected to two ends of the fiber connecting strip 11, the powder-wrapping balls 12 are filled with moisture-absorbing dry powder, the outer ends of the powder-wrapping balls 12 are fixedly connected with a plurality of uniformly distributed moisture-conducting pre-melting strips 13, the powder-wrapping balls 12 are embedded with a plurality of uniformly distributed pre-melting balls 14, the ends of the moisture-conducting pre-melting strips 13 are embedded into the pre-melting balls 14, the moisture-conducting pre-melting strips 13 and the pre-melting balls 14 are made of water-soluble materials, when the fiber rod 1 is sprayed, the moisture-conducting pre-melting strips 13 are adhered to and contacted with the surface of the fertilizer granules which are slightly water-soluble, so that the moisture-conducting pre-melting strips are partially water-soluble, thereby effectively assisting the fiber rod 1 to be adhered to the surface of the fertilizer granules, facilitating the stability after the formation of the fiber net, the fiber connecting strip 11 and the powder-wrapping balls 12 are made of degradable materials, so that the moisture-conducting pre-melting strips can be degraded by itself after being applied with the fertilizer granules, and are not easy to affect the environment, and the fiber connecting strip 11 is a flexible structure, so that the shape can be changed adaptively along with the spraying force during spraying, the powder coating balls 12 at two ends can be adhered to the surface of the fertilizer granules, the stability of the formed fiber net is further improved, the moisture absorption dry powder is formed by drying, dewatering and grinding plant leaves, when the moisture in the environment is high and the fertilizer granules absorb moisture seriously, the moisture absorption dry powder enters the pre-melting ball 14 along the moisture guide pre-melting strip 13, the pre-melting ball 14 is gradually dissolved in water, so that more gaps are generated on the surface of the powder coating ball 12, the moisture absorption dry powder in the powder coating ball 12 leaks out and is adhered to the surface of the fertilizer granules, the moisture on the surface of the fertilizer granules is further effectively reduced, the possibility of caking and adhesion between two adjacent fertilizer granules is further reduced, the filling degree of the moisture absorption dry powder in the powder coating ball 12 is 75-85%, so that the moisture absorption dry powder has larger loosening space in the powder coating ball 12, has higher fluidity, and is convenient for the pre-melting ball 14 to overflow outwards after being dissolved in water.
The fiber net is formed on the surface of the fertilizer grains by spraying the fiber grains or retreating the fiber rod 1 on the fertilizer grains, please refer to fig. 7 and 8, the fiber net can form a separation between two adjacent fertilizer grains, so that the two adjacent fertilizer grains are not contacted with each other under the separation of the fiber net, when the water-soluble fertilizer is slightly hygroscopic and soluble due to long-term storage or high environmental humidity, compared with the prior art shown in figure 9, the caking phenomenon is not easy to occur under the obstruction of the fiber net, thereby effectively ensuring that the grain diameter of the fertilizer grains is not easy to change greatly under the condition of micro water solubility, thereby effectively avoiding nutrient loss, preventing the situation that the application effect of the same number of fertilizer particles is poor, in addition, the fiber granules and the fiber rods 1 are randomly distributed on the surface of the fertilizer granules in a disordered way, and gaps exist among the fiber granules and the fiber rods, so that the water solubility of the fiber net is not easily influenced when the fiber net is used.
The above; but are merely preferred embodiments of the invention; the scope of the invention is not limited thereto; any person skilled in the art is within the technical scope of the present disclosure; the technical scheme and the improved concept of the invention are equally replaced or changed; are intended to be covered by the scope of the present invention.
Claims (10)
1. A water-soluble organic fertilizer retreatment technology with low caking rate is characterized in that: the method comprises the following steps:
s1, dispersing and dissolving the water-soluble organic fertilizer raw material, introducing the water-soluble organic fertilizer raw material into a homogenizing pump and a grinding pump, dispersing, stirring, homogenizing and emulsifying to obtain raw material ultra-fine particles, and granulating the ultra-fine particles by a granulator to obtain fertilizer particles;
s2, drying the plant fibers, and then smashing the plant fibers to obtain fiber particles for later use;
s3, spraying atomized water on the surfaces of the fertilizer granules, and after 1-2S, spraying fiber granules to enable the fiber granules to be adhered to the surfaces of the fertilizer granules and form fiber nets which are mutually adsorbed, wherein the surfaces of the fertilizer granules are slightly water-soluble under the action of water mist, so that the fiber nets are adhered to the surfaces of the fiber granules;
s4, drying to solidify the water-soluble part on the surface of the fertilizer granules, so that the fiber net is fixed on the surface of the fertilizer granules, and obtaining the reprocessed water-soluble organic fertilizer.
2. The reprocessing process of the water-soluble organic fertilizer with the low caking rate as claimed in claim 1, wherein the reprocessing process comprises the following steps: the particle size of the fiber particles obtained by smashing the plant fibers is 1-2 mm.
3. The reprocessing process of the water-soluble organic fertilizer with the low caking rate as claimed in claim 1, wherein the reprocessing process comprises the following steps: before spraying the fiber particles in the step S3, the fiber particles are magnetized by applying a magnetic field, and then the fiber particles are sprayed on the surface of the fertilizer particles together with the atomized water.
4. The reprocessing process of the water-soluble organic fertilizer with the low caking rate as claimed in claim 1, wherein the reprocessing process comprises the following steps: the steps S3 and S4 are replaced by:
spraying atomized water-soluble film to form a water-soluble film layer on the surface of the fertilizer particles, and then spraying fiber particles on the surface of the fertilizer particles to adhere the fiber particles on the surface of the water-soluble film layer and form a fiber net;
drying to solidify the water-soluble film layer on the surface of the fertilizer granules, so that the fiber net is fixed on the surface of the fertilizer granules, and obtaining the reprocessed water-soluble organic fertilizer.
5. The reprocessing process of the water-soluble organic fertilizer with the low caking rate as claimed in claim 4, wherein the reprocessing process comprises the following steps: the preparation process of the atomized water-soluble film comprises the following steps:
crushing the water-soluble material, mixing the water-soluble material and water according to the proportion of 2-3:1 to obtain water-soluble pulp, and atomizing the water-soluble pulp to obtain the atomized water-soluble film.
6. The reprocessing process of the water-soluble organic fertilizer with the low caking rate as claimed in claim 1, wherein the reprocessing process comprises the following steps: the method comprises the following steps:
s1, dispersing and dissolving the water-soluble organic fertilizer raw material, introducing the water-soluble organic fertilizer raw material into a homogenizing pump and a grinding pump, dispersing, stirring, homogenizing and emulsifying to obtain raw material ultra-fine particles, and granulating the ultra-fine particles by a granulator to obtain fertilizer particles;
s2, spraying atomized water on the surfaces of the fertilizer particles, spraying the fiber rod (1) after 1-2S to enable the fiber rod (1) to be adhered to the surfaces of the fertilizer particles and form a fiber net, and slightly dissolving the surfaces of the fertilizer particles in water under the action of water mist to enable the fiber net to be adhered to the surfaces of the fiber particles;
s3, drying to solidify the water-soluble part on the surface of the fertilizer granules, so that the fiber net is fixed on the surface of the fertilizer granules, and obtaining the reprocessed water-soluble organic fertilizer.
7. The reprocessing process of the water-soluble organic fertilizer with the low caking rate as claimed in claim 1, wherein the reprocessing process comprises the following steps: the fiber rod (1) comprises a fiber connecting strip (11) and two powder coating balls (12) fixedly connected to two ends of the fiber connecting strip (11) respectively, moisture absorption dry powder is filled in the powder coating balls (12), a plurality of uniformly distributed moisture-conducting pre-melting strips (13) are fixedly connected to the outer ends of the powder coating balls (12), a plurality of uniformly distributed pre-melting balls (14) are embedded in the powder coating balls (12) in a penetrating mode, and the end portions of the moisture-conducting pre-melting strips (13) are embedded into the pre-melting balls (14).
8. The reprocessing process of the water-soluble organic fertilizer with the low caking rate as claimed in claim 7, wherein the reprocessing process comprises the following steps: the fiber connecting strip (11) and the powder coating ball (12) are made of degradable materials, and the fiber connecting strip (11) is of a flexible structure.
9. The reprocessing process of the water-soluble organic fertilizer with the low caking rate as claimed in claim 7, wherein the reprocessing process comprises the following steps: the hygroscopic dry powder is formed by drying, removing water and grinding plant leaves.
10. The reprocessing process of the water-soluble organic fertilizer with the low caking rate as claimed in claim 7, wherein the reprocessing process comprises the following steps: the moisture-guiding pre-melting strip (13) and the pre-melting ball (14) are both made of water-soluble materials, and the filling degree of the moisture-absorbing dry powder in the powder-coating ball (12) is 75-85%.
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110602851.3A CN113354468A (en) | 2021-05-31 | 2021-05-31 | Low-caking-rate water-soluble organic fertilizer retreatment process |
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| CN202110602851.3A CN113354468A (en) | 2021-05-31 | 2021-05-31 | Low-caking-rate water-soluble organic fertilizer retreatment process |
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Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101973808A (en) * | 2010-09-28 | 2011-02-16 | 湖北富邦化工科技有限公司 | Starch coating material and application thereof in coated sustained/controlled release fertilizers |
| CN102659473A (en) * | 2012-04-26 | 2012-09-12 | 张秋贵 | Blocking prevented sustained-release granulated fertilizer and preparing method thereof |
| CN102701887A (en) * | 2012-06-08 | 2012-10-03 | 马桐 | Three-dimensional elastic solid mesh nest controlled-release fertilizer and preparation method thereof |
-
2021
- 2021-05-31 CN CN202110602851.3A patent/CN113354468A/en not_active Withdrawn
Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101973808A (en) * | 2010-09-28 | 2011-02-16 | 湖北富邦化工科技有限公司 | Starch coating material and application thereof in coated sustained/controlled release fertilizers |
| CN102659473A (en) * | 2012-04-26 | 2012-09-12 | 张秋贵 | Blocking prevented sustained-release granulated fertilizer and preparing method thereof |
| CN102701887A (en) * | 2012-06-08 | 2012-10-03 | 马桐 | Three-dimensional elastic solid mesh nest controlled-release fertilizer and preparation method thereof |
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