CN113800979A - Slow-release bio-organic fertilizer particles and preparation process thereof - Google Patents
Slow-release bio-organic fertilizer particles and preparation process thereof Download PDFInfo
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- CN113800979A CN113800979A CN202111189212.5A CN202111189212A CN113800979A CN 113800979 A CN113800979 A CN 113800979A CN 202111189212 A CN202111189212 A CN 202111189212A CN 113800979 A CN113800979 A CN 113800979A
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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
- C05G3/40—Mixtures of one or more fertilisers with additives not having a specially fertilising activity for affecting fertiliser dosage or release rate; for affecting solubility
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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
- C05G3/20—Mixtures of one or more fertilisers with additives not having a specially fertilising activity for preventing the fertilisers being reduced to powder; Anti-dusting 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
- C05G3/00—Mixtures of one or more fertilisers with additives not having a specially fertilising activity
- C05G3/80—Soil conditioners
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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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- Life Sciences & Earth Sciences (AREA)
- Pest Control & Pesticides (AREA)
- Chemical & Material Sciences (AREA)
- Organic Chemistry (AREA)
- Soil Sciences (AREA)
- Fertilizers (AREA)
Abstract
The invention discloses a slow-release biological organic fertilizer particle and a preparation process thereof, belonging to the technical field of organic fertilizers, then coating the raw material components on the outer surface of the embedded core to form a fertilizer interlayer, finally coating an outer slow release layer on the outer side, wherein the outer sustained-release layer is composed of a plurality of independent sustained-release tablets, a gap is left between the adjacent sustained-release tablets, the fertilizer interlayer is wrapped in a large area, when the fertilizer interlayer is applied, the fertilizer interlayer in the gap between the slow release tablets can contact with water and then slowly dissolve inwards, when the fertilizer interlayer is dissolved to the adjacent area, the corresponding slow release tablet loses the binding effect and is separated from the fertilizer interlayer, thereby further contacting and dissolving with moisture, the exudation of the fertilizer can be well controlled, the release rate of nutrients is consistent with the fertilizer requirement rule of crops, and the growth effect of the crops can be greatly improved.
Description
Technical Field
The invention relates to the technical field of organic fertilizers, in particular to slow-release biological organic fertilizer particles and a preparation process thereof.
Background
With the continuous development of agricultural production, the traditional agriculture with high energy consumption, high pollution and low output is replaced by ecological agriculture with high yield, low consumption, high quality, high efficiency and sustainable development.
To achieve the aim, the current situations of fertilizer production such as low fertilizer nutrient utilization rate, poor mechanical fertilization degree, repeated and irregular fertilization, slow-release fertilizer coating pollution and the like are firstly solved. The method for solving the problem not only balances the fertilizer application according to the formula and improves the scientific level of the fertilizer application, but also needs to improve the structure and the dosage form of the fertilizer, develop a novel fertilizer product which has wide application range, high nutrient utilization rate, low environmental pollution, biodegradability, capability of improving the physical and biological conditions of soil, high quality and high efficiency.
The slow release fertilizer is a fertilizer which slowly releases the effective nutrient of a chemical fertilizer, appears from the seventies of the 20 th century, is basically limited in the research and use range in the slow release aspect of a nitrogen fertilizer product, and is also limited in the research stage for a compound slow release fertilizer and a production method thereof.
Generally, the coating material adopted by the slow release fertilizer can be coated by polymer and sulfur, and the inert material, the polymer and the sulfur coating have poor solubility and do not contain water-soluble material, so that the exudation of the fertilizer is poor, and the release rate of nutrients is inconsistent with the fertilizer requirement rule of crops; most of carriers coated with inert materials are nondegradable substances such as resin, mechanical oil and the like, and if the carriers are not used properly, secondary pollution to the environment is easily caused; degradable coating materials are the direction of development today.
Disclosure of Invention
1. Technical problem to be solved
Aiming at the problems in the prior art, the invention aims to provide a slow-release bio-organic fertilizer particle and a preparation process thereof, which can be prepared by taking an embedded core as an inner core, then coating the raw material components on the outer surface of the embedded core to form a fertilizer interlayer, finally coating an outer slow release layer on the outer side, wherein the outer sustained-release layer is composed of a plurality of independent sustained-release tablets, a gap is left between the adjacent sustained-release tablets, the fertilizer interlayer is wrapped in a large area, when the fertilizer interlayer is applied, the fertilizer interlayer in the gap between the slow release tablets can contact with water and then slowly dissolve inwards, when the fertilizer interlayer is dissolved to the adjacent area, the corresponding slow release tablet loses the binding effect and is separated from the fertilizer interlayer, thereby further contacting and dissolving with moisture, the exudation of the fertilizer can be well controlled, the release rate of nutrients is consistent with the fertilizer requirement rule of crops, and the growth effect of the crops can be greatly improved.
2. Technical scheme
In order to solve the above problems, the present invention adopts the following technical solutions.
The utility model provides a slow-release type bio-organic fertilizer granule, includes fertilizer intermediate layer, outer controlled release layer and embedded core, embedded core inlays the center department of connecting in the fertilizer intermediate layer, outer controlled release layer cladding is in the surface of fertilizer intermediate layer, outer controlled release layer includes a plurality of densely distributed's slow-release tablet, and leaves between the adjacent slow-release tablet and be equipped with the gap.
Further, the fertilizer interlayer is prepared from the following raw materials in parts by weight: 80-90 parts of organic fertilizer, 10-15 parts of binder, 4-5 parts of microbial powder and 5-10 parts of composite trace element solution.
Furthermore, the sustained release tablets are made of degradable waterproof materials into a flaky structure, the inner and outer surfaces of the sustained release tablets are smooth, the sustained release tablets have the effect of isolating the fertilizer interlayer, and the sustained release tablets are easy to fall off from the fertilizer interlayer after losing the bonding effect.
Furthermore, a plurality of splicing bundles which are uniformly distributed are bonded on the inner surface of the slow release sheet, the splicing bundles extend to the inner side of the fertilizer interlayer, the splicing bundles can improve the covering strength of the slow release sheet on the outer surface of the fertilizer interlayer on one hand, and are not easy to fall off accidentally when moisture is not contacted, and on the other hand, when moisture is permeated and dissolved from a gap between the slow release sheets, once the moisture is diffused to an adjacent region, the splicing bundles can sense the moisture in time and absorb and convey the moisture to the tail part, so that the bonding effect between the splicing bundles and the slow release sheets is broken, the slow release sheets can fall off from the outer surface of the fertilizer interlayer, and the next dissolving step is carried out.
Further, the grafting is restrainted and is included extending the bundle body, magnetism end and bonding end are inhaled, it bonds through bonding end and slow-release tablet inner surface to extend the bundle body, magnetism is inhaled fixed connection and is being kept away from the one end of bonding end in extending the bundle body, extends the bundle body and both can play the effect of extending the grafting, can absorb the diffusion to the inside moisture of fertilizer intermediate layer simultaneously to carry to bonding end department and dissolve, thereby be connected between disconnection and the slow-release tablet, the bonding end can be attracted by the intraformational embedded nuclear of fertilizer intermediate layer, thereby easily inserts and fixes in the fertilizer intermediate layer.
Furthermore, the extension beam body is formed by bundling hard water-absorbing fibers, the magnetic absorption end is made of a magnetic material, the bonding end is made of an effervescent disintegrant and a binder in a mixing mode, when the extension beam body absorbs water and conveys the water to the bonding end, the effervescent disintegrant can be dissolved in water and triggers chemical reaction, a mixture of citric acid and sodium bicarbonate is commonly used and reacts to generate a large amount of carbon dioxide when being dissolved in water, on one hand, the bonding relation between the bonding end and the slow-release tablets can be broken, on the other hand, generated gas can act on the slow-release tablets to accelerate separation, and meanwhile, the gas can improve pore channels in soil and facilitate permeation of fertilizers.
Further, the water proof cover has been cup jointed to the bonding end outer end, and water proof cover and extension bundle body between fixed connection, and the water proof cover plays the isolation to the bonding end, avoids moisture to contact with the bonding end in advance, can carry out the positioning action to the extension bundle body simultaneously, avoids between the adjacent magnetism end of inhaling inter attraction and leads to the phenomenon appearance of entangling.
Furthermore, the waterproof sleeve is made of hard waterproof materials, and the waterproof sleeve and the sustained-release tablets are mutually abutted to isolate the bonding end into a closed environment.
Furthermore, the embedded core is made of a magnetic material or made by mixing raw materials of magnetic powder and a fertilizer interlayer, so that the inserting bundle can be actively attracted and inserted, the preparation efficiency can be accelerated, and meanwhile, the magnetic field can be utilized for recycling after the embedded core is applied for a period of time, and the cost can be controlled.
A preparation process of slow-release bio-organic fertilizer particles comprises the following steps:
s1, preparing an embedded core as an inner core, and coating the outer surface of the embedded core with the raw material of the fertilizer interlayer to form the fertilizer interlayer;
s2, atomizing water to spray to the fertilizer interlayer after the fertilizer interlayer is dried, cured and molded, so that the near surface of the fertilizer interlayer is in a slightly soluble state;
s3, laying the slow-release tablets in the cambered surface container, keeping a certain gap between the slow-release tablets, and allowing the slightly soluble fertilizer interlayer to roll down along the cambered surface container and automatically adhere to the slow-release tablets;
s4, slightly extruding the slow release tablets on the surface to enable part of slightly soluble fertilizer interlayers to be extruded along gaps of the slow release tablets and located on the surface, and then drying by hot air to obtain the slow release type biological organic fertilizer particles.
3. Advantageous effects
Compared with the prior art, the invention has the advantages that:
(1) the scheme can be realized by taking the embedded core as the inner core, then coating the raw material components on the outer surface of the embedded core to form the fertilizer interlayer, and finally coating the outer slow release layer on the outer side, wherein the outer slow release layer is composed of a plurality of independent slow release tablets, a gap is reserved between every two adjacent slow release tablets, the fertilizer interlayer forms large-area coating, when the fertilizer is applied, the fertilizer interlayer in the gap between the slow release tablets can be contacted with moisture and then slowly dissolved inwards, when the fertilizer is dissolved to an adjacent area, the corresponding slow release tablets can lose the bonding effect and are separated from the fertilizer interlayer, so that the fertilizer can be further contacted with the moisture for dissolution, the exudation of the fertilizer can be well controlled, the release rate of nutrients is consistent with the fertilizer requirement rule of crops, and the growth effect of the crops can be greatly improved.
(2) The sustained release tablet is made into a scaly structure by adopting a degradable waterproof material, the inner surface and the outer surface of the sustained release tablet are smooth, the sustained release tablet plays a role of isolating the fertilizer interlayer, and the sustained release tablet is easy to fall off from the fertilizer interlayer after losing the bonding effect.
(3) The splicing bundles are bonded on the inner surface of the slow release sheet and uniformly distributed, and the splicing bundles extend to the inner side of the fertilizer interlayer, so that the covering strength of the slow release sheet on the outer surface of the fertilizer interlayer can be improved on one hand, the accidental falling phenomenon is not easy to occur when moisture is not contacted, on the other hand, when the moisture is permeated and dissolved from a gap between the slow release sheets, once the moisture is diffused to an adjacent region, the splicing bundles can timely sense the moisture and absorb and convey the moisture to the tail part, thereby the bonding effect between the splicing bundles and the slow release sheet is broken, the slow release sheet can fall off from the outer surface of the fertilizer interlayer, and the next step of dissolving is carried out.
(4) The grafting is restrainted including extending the beam body, magnetism is inhaled end and bonding end, it bonds through bonding end and slow-release sheet internal surface to extend the beam body, magnetism is inhaled fixed connection and is kept away from the one end of bonding end in extending the beam body, it both can play the effect of extending the grafting to extend the beam body, can absorb the moisture of diffusion to fertilizer intermediate layer inside simultaneously, and carry and dissolve to bonding end department, thereby be connected between disconnection and the slow-release sheet, the bonding end can be attracted by the intraformational embedded nuclear of fertilizer intermediate layer, thereby easily insert and fix in the fertilizer intermediate layer.
(5) Extend and restraint the body and adopt the stereoplasm fibre of absorbing water to gather a bundle and form, magnetism is inhaled the end and is adopted magnetic material to make, the bonding end adopts effervescent disintegrant and binder to mix and make, when extending and restrainting the body and absorbing moisture and carry to bonding end department, effervescent disintegrant can be dissolved in water and trigger chemical reaction, the common mixture that is citric acid and sodium bicarbonate, reaction when dissolving in water generates a large amount of carbon dioxide, can break off the bonding relation between bonding end and the sustained-release tablet on the one hand, the gas that on the other hand generated can act on the accelerated separation on the sustained-release tablet, gaseous can improve the pore in soil simultaneously, make things convenient for the infiltration of fertilizer.
(6) The water proof cover has played the isolation effect to the bonding end, avoids moisture to contact with the bonding end in advance, can carry out the locate action to the extension beam body simultaneously, avoids between the adjacent magnetism end of inhaling inter attraction and leads to the phenomenon appearance of entangling.
(7) The embedded core is made of a magnetic material or made by mixing raw materials of magnetic powder and a fertilizer interlayer, so that the inserting bundle can be actively attracted and inserted, the preparation efficiency can be accelerated, and meanwhile, the magnetic field can be utilized for recycling after the embedded core is applied for a period of time, and the cost can be controlled.
Drawings
FIG. 1 is a schematic diagram of the structure of a fertilizer granule of the present invention;
FIG. 2 is a cross-sectional view of a fertilizer granule of the present invention;
FIG. 3 is a schematic diagram of a prior art coated fertilizer construction;
FIG. 4 is a schematic structural diagram of a sustained-release tablet of the present invention;
FIG. 5 is a schematic view of the structure of the insertion bundle of the present invention;
FIG. 6 is a schematic view of the structure of fertilizer granules according to the present invention during slow release;
FIG. 7 is a schematic flow chart of the present invention;
fig. 8 is a schematic structural view of the coated sustained-release tablet of the present invention.
The reference numbers in the figures illustrate:
1 fertilizer interlayer, 2 outer slow release layers, 21 slow release tablets, 3 embedded cores, 4 water isolation sleeves, 5 splicing bundles, 51 extending bundles, 52 magnetic attraction ends and 53 bonding ends.
Detailed Description
The technical solution in the embodiments of the present invention will be clearly and completely described below with reference to the accompanying drawings in the embodiments of the present invention; it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all embodiments, and all other embodiments obtained by those skilled in the art without any inventive work are within the scope 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. 1-2, a slow-release bio-organic fertilizer granule includes a fertilizer interlayer 1, an outer slow-release layer 2 and an embedded core 3, the embedded core 3 is embedded and connected to the center of the fertilizer interlayer 1, the outer slow-release layer 2 is coated on the outer surface of the fertilizer interlayer 1, the outer slow-release layer 2 includes a plurality of slow-release tablets 21 densely distributed, and a gap is left between adjacent slow-release tablets 21.
The fertilizer interlayer 1 is prepared from the following raw materials in parts by weight: 80-90 parts of organic fertilizer, 10-15 parts of binder, 4-5 parts of microbial powder and 5-10 parts of composite trace element solution.
Sustained-release tablet 21 adopts degradable waterproof material to make scaly structure, and the interior surface and the exterior surface of sustained-release tablet 21 are all smooth, and sustained-release tablet 21 plays the effect of keeping apart fertilizer intermediate layer 1, easily drops from fertilizer intermediate layer 1 after losing the bonding effect simultaneously.
Referring to fig. 4, a plurality of uniformly distributed insertion bundles 5 are bonded on the inner surface of the slow release tablet 21, and the insertion bundles 5 extend to the inner side of the fertilizer interlayer 1, so that the insertion bundles 5 can improve the covering strength of the slow release tablet 21 on the outer surface of the fertilizer interlayer 1, and are not easy to fall off accidentally when moisture is not contacted, and when moisture permeates and dissolves from the gap between the slow release tablets 21, once the moisture diffuses to an adjacent region, the insertion bundles 5 can sense the moisture in time and absorb and convey the moisture to the tail part, thereby breaking the bonding effect between the insertion bundles 5 and the slow release tablets 21, so that the slow release tablets 21 can fall off from the outer surface of the fertilizer interlayer 1, and entering the next dissolving step.
Referring to fig. 5-6, the insertion-connection bundle 5 includes an extension bundle body 51, a magnetic-attraction end 52 and an adhesion end 53, the extension bundle body 51 is adhered to the inner surface of the slow-release tablet 21 through the adhesion end 53, the magnetic-attraction end 52 is fixedly connected to one end of the extension bundle body 51 far away from the adhesion end 53, the extension bundle body 51 can perform the function of extension insertion-connection, and can absorb the water diffused to the interior of the fertilizer interlayer 1 and deliver the water to the adhesion end 53 for dissolution, so as to break the connection with the slow-release tablet 21, and the adhesion end 53 can be attracted by the embedded core 3 in the fertilizer interlayer 1, so as to be easily inserted into the fertilizer interlayer 1 for fixation.
The extension bundle body 51 is formed by bundling hard water-absorbing fibers, the magnetic absorption end 52 is made of a magnetic material, the bonding end 53 is made of an effervescent disintegrant and a binder in a mixing mode, when the extension bundle body 51 absorbs water and conveys the water to the bonding end 53, the effervescent disintegrant can be dissolved in water and triggers chemical reaction, a mixture of citric acid and sodium bicarbonate is common, a large amount of carbon dioxide is generated in the reaction process when the effervescent disintegrant is dissolved in the water, on one hand, the bonding relation between the bonding end 53 and the sustained-release tablets 21 can be broken, on the other hand, generated gas can act on the sustained-release tablets 21 to accelerate separation, and meanwhile, the gas can improve pore passages in soil and facilitate the permeation of fertilizers.
The water proof cover 4 has been cup jointed to bonding end 53 outer end, and water proof cover 4 and extend and restraint fixed connection between the body 51, and water proof cover 4 plays the isolation effect to bonding end 53, avoids moisture to contact with bonding end 53 in advance, can carry out the locate function to extending restraint body 51 simultaneously, avoids attracting each other between the end 52 of adjacent magnetism and leads to the phenomenon appearance of entangling.
The water-proof sleeve 4 is made of hard waterproof materials, and the bonding end 53 is isolated into a closed environment by mutual interference between the water-proof sleeve 4 and the slow-release tablet 21.
The embedded core 3 is made of magnetic materials or made by mixing magnetic powder and the raw materials of the fertilizer interlayer 1, so that the inserting bundle 5 can be actively attracted and inserted, the preparation efficiency can be accelerated, and meanwhile, the magnetic field can be utilized for recycling after being applied for a period of time, and the cost can be controlled.
Referring to fig. 7-8, a process for preparing sustained-release bio-organic fertilizer particles includes the following steps:
s1, preparing an embedded core 3 as an inner core, and coating the raw material of the fertilizer interlayer 1 on the outer surface of the embedded core 3 to form the fertilizer interlayer 1;
s2, atomizing water to spray to the fertilizer interlayer 1 after the fertilizer interlayer 1 is dried, cured and molded, so that the near surface of the fertilizer interlayer 1 is in a slightly soluble state;
s3, laying the slow release tablets 21 in the cambered surface container, keeping a certain gap between the slow release tablets and the cambered surface container, and enabling the slightly soluble fertilizer interlayer 1 to automatically fall along the cambered surface container to be bonded with the slow release tablets 21;
s4, slightly extruding the slow release tablets 21 on the surface to enable the part of slightly soluble fertilizer interlayers 1 to be extruded along the gaps of the slow release tablets 21 and located on the surface, and then drying by hot air to obtain the slow release type biological organic fertilizer particles.
It is noted that the surface of the fertilizer insert 1 in step S2 is slightly soluble, i.e., softened and has a low water content, so that the adhesive end 53 is not completely dissolved even though a part of the water is absorbed by the extension bundle 51 and transported to the adhesive end 53.
According to the invention, the embedded core 3 is used as an inner core, then the outer surface of the embedded core 3 is coated with raw material components to form the fertilizer interlayer 1, and finally the outer side is coated with the outer slow release layer 2, wherein the outer slow release layer 2 is composed of a plurality of independent slow release tablets 21, gaps are reserved between the adjacent slow release tablets 21, the fertilizer interlayer 1 is coated in a large area, when the fertilizer is applied, the fertilizer interlayer 1 in the gaps between the slow release tablets 21 can be contacted with water and then slowly dissolved inwards, when the fertilizer is dissolved in an adjacent area, the corresponding slow release tablets 21 can lose the adhesive effect and are separated from the fertilizer interlayer 1, so that the fertilizer can be further contacted and dissolved with the water, the exudation of the fertilizer can be well controlled, the release rate of nutrients is consistent with the fertilizer requirement rule of crops, and the growth effect of the crops can be greatly improved.
The above are merely preferred embodiments of the present invention; the scope of the invention is not limited thereto. Any person skilled in the art should be able to cover the technical scope of the present invention by equivalent or modified solutions and modifications within the technical scope of the present invention.
Claims (10)
1. A slow-release bio-organic fertilizer particle is characterized in that: including fertilizer intermediate layer (1), outer controlled release layer (2) and embedded core (3), embedded core (3) are inlayed and are connected in the center department of fertilizer intermediate layer (1), outer controlled release layer (2) cladding is in the surface of fertilizer intermediate layer (1), outer controlled release layer (2) include a plurality of densely distributed's slow release tablet (21), and leave between adjacent slow release tablet (21) and be equipped with the gap.
2. The slow-release bio-organic fertilizer particle as claimed in claim 1, wherein: the fertilizer interlayer (1) is prepared from the following raw materials in parts by weight: 80-90 parts of organic fertilizer, 10-15 parts of binder, 4-5 parts of microbial powder and 5-10 parts of composite trace element solution.
3. The slow-release bio-organic fertilizer particle as claimed in claim 1, wherein: the sustained release tablet (21) is made into a scale-shaped structure by adopting a degradable waterproof material, and the inner surface and the outer surface of the sustained release tablet (21) are smooth.
4. The slow-release bio-organic fertilizer particle as claimed in claim 1, wherein: a plurality of uniformly distributed inserting bundles (5) are adhered to the inner surface of the slow release tablet (21), and the inserting bundles (5) extend to the inner side of the fertilizer interlayer (1).
5. The slow-release bio-organic fertilizer particle as claimed in claim 4, wherein: the inserting bundle (5) comprises an extending bundle body (51), a magnetic suction end (52) and an adhesion end (53), the extending bundle body (51) is adhered to the inner surface of the slow release tablet (21) through the adhesion end (53), and the magnetic suction end (52) is fixedly connected to one end, far away from the adhesion end (53), of the extending bundle body (51).
6. The slow-release bio-organic fertilizer particle of claim 5, wherein: the extension bundle body (51) is formed by bundling hard water-absorbing fibers, the magnetic attraction end (52) is made of a magnetic material, and the bonding end (53) is formed by mixing an effervescent disintegrant and a binder.
7. The slow-release bio-organic fertilizer particle of claim 5, wherein: the outer end of the bonding end (53) is sleeved with the water separating sleeve (4), and the water separating sleeve (4) is fixedly connected with the extension bundle body (51).
8. The slow-release bio-organic fertilizer particle of claim 7, wherein: the water-proof sleeve (4) is made of hard waterproof materials, and the water-proof sleeve (4) and the slow-release sheet (21) are mutually abutted to isolate the bonding end (53) into a closed environment.
9. The slow-release bio-organic fertilizer particle as claimed in claim 1, wherein: the embedded core (3) is made of magnetic materials or made by mixing magnetic powder and the raw materials of the fertilizer interlayer (1).
10. The preparation process of the slow-release bio-organic fertilizer particles as claimed in claim 1, wherein the preparation process comprises the following steps: the method comprises the following steps:
s1, preparing an embedded core (3) as an inner core, and then coating the raw material of the fertilizer interlayer (1) on the outer surface of the embedded core (3) to form the fertilizer interlayer (1);
s2, after the fertilizer interlayer (1) is dried, cured and molded, atomizing water and spraying the atomized water to the fertilizer interlayer (1) to enable the surface close to the fertilizer interlayer (1) to be in a slightly soluble state;
s3, laying the slow-release tablets (21) in the cambered surface container, keeping a certain gap between the slow-release tablets and the cambered surface container, and enabling the slightly soluble fertilizer interlayer (1) to roll down along the cambered surface container and automatically adhere to the slow-release tablets (21);
s4, slightly extruding the slow release tablets (21) on the surface to enable the fertilizer interlayers (1) which are partially slightly soluble to be extruded along the gaps of the slow release tablets (21) to be positioned on the surface, and then drying by hot air to obtain the slow release type bio-organic fertilizer particles.
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Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN203683407U (en) * | 2014-02-18 | 2014-07-02 | 广西大学 | Slow-release and controlled-release fertilizer shell |
| CN107311768A (en) * | 2017-07-26 | 2017-11-03 | 望江县乡缘农业有限责任公司 | A kind of spherical porous high degradable paddy rice compound organic fertilizer of sustained release |
| CN107827534A (en) * | 2017-10-16 | 2018-03-23 | 王欣 | A kind of production method of multi-functional sustained release magnetic compound fertiliser material |
| CN112457099A (en) * | 2020-11-20 | 2021-03-09 | 曹艳 | Diffused organic fertilizer applied to green plants and preparation method thereof |
-
2021
- 2021-10-12 CN CN202111189212.5A patent/CN113800979A/en active Pending
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN203683407U (en) * | 2014-02-18 | 2014-07-02 | 广西大学 | Slow-release and controlled-release fertilizer shell |
| CN107311768A (en) * | 2017-07-26 | 2017-11-03 | 望江县乡缘农业有限责任公司 | A kind of spherical porous high degradable paddy rice compound organic fertilizer of sustained release |
| CN107827534A (en) * | 2017-10-16 | 2018-03-23 | 王欣 | A kind of production method of multi-functional sustained release magnetic compound fertiliser material |
| CN112457099A (en) * | 2020-11-20 | 2021-03-09 | 曹艳 | Diffused organic fertilizer applied to green plants and preparation method thereof |
Non-Patent Citations (1)
| Title |
|---|
| 詹益兴: "《精细化工新产品 第3集》", 31 October 2007, 科学技术文献出版社 * |
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