CN115340429A - Nitrogen fertilizer synergist and preparation method and production device thereof - Google Patents
Nitrogen fertilizer synergist and preparation method and production device thereof Download PDFInfo
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- CN115340429A CN115340429A CN202210919401.1A CN202210919401A CN115340429A CN 115340429 A CN115340429 A CN 115340429A CN 202210919401 A CN202210919401 A CN 202210919401A CN 115340429 A CN115340429 A CN 115340429A
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- mixture
- nitrogen fertilizer
- fertilizer synergist
- binder
- urea
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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
- C05C—NITROGENOUS FERTILISERS
- C05C9/00—Fertilisers containing urea or urea compounds
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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
- C05G3/90—Mixtures of one or more fertilisers with additives not having a specially fertilising activity for affecting the nitrification of ammonium compounds or urea in the soil
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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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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02P—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION OR PROCESSING OF GOODS
- Y02P60/00—Technologies relating to agriculture, livestock or agroalimentary industries
- Y02P60/20—Reduction of greenhouse gas [GHG] emissions in agriculture, e.g. CO2
- Y02P60/21—Dinitrogen oxide [N2O], e.g. using aquaponics, hydroponics or efficiency measures
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- Chemical & Material Sciences (AREA)
- Organic Chemistry (AREA)
- Life Sciences & Earth Sciences (AREA)
- Pest Control & Pesticides (AREA)
- Soil Sciences (AREA)
- Fertilizers (AREA)
Abstract
The application discloses nitrogen fertilizer synergist and preparation method and apparatus for producing thereof, NBPT, DMPP, bentonite heat to the clay form after mixing, add the binder that urea, zinc sulfate stirring mixture obtained, the stirring mixture obtains nitrogen fertilizer synergist. The nitrogen fertilizer synergist can be purchased by farmers according to traditional experience and traditional consciousness, and is added and matched with the varieties and scales of crops produced by the farmers to obtain the synergistic nitrogen fertilizer.
Description
Technical Field
The application relates to a fertilizer preparation method, in particular to a nitrogen fertilizer synergist and a preparation method and a production device thereof.
Background
Under the influence of industry development, the products of traditional fertilizer production enterprises are transformed from traditional fertilizers to novel and technical fertilizers, and most enterprises adopt a method of simply adding a synergist to produce the novel fertilizers. The fertilizers of the types have the problems that farmers are misled by marketing advertisements, cannot determine specific application amount and application mode according to the demands of crops, and are easy to cause low fertilizer application efficiency.
Disclosure of Invention
The application provides a nitrogen fertilizer synergist and a preparation method and a production device thereof, the nitrogen fertilizer synergist can be purchased by farmers according to traditional experience and traditional consciousness, and the synergistic nitrogen fertilizer can be obtained by combining self-production of crop varieties and scale.
In a first aspect, the present application provides a method for preparing a nitrogen fertilizer synergist, comprising the steps of:
step one, mixing NBPT, DMPP and bentonite to prepare a mixture 1;
step two, heating the mixture 1 to obtain a clay-shaped mixture 2;
step three, pouring the binder into the mixture 2, and stirring the binder and the mixture 2 to obtain a mixture 3;
and step four, extruding and granulating the mixture 3 to obtain the nitrogen fertilizer synergist.
Wherein the binder is a mixture of urea and zinc sulfate at normal temperature.
In one possible implementation, the ratio of NBPT, DMPP and bentonite in step one is 1.
In a possible implementation, the heating in step two is to obtain the mixture 2 by spreading on a heating plate in the cooking pot.
In a possible implementation manner, the heating temperature of the heating process in the second step is 90-100 ℃, preferably 100 ℃, and the heating time is more than 5 hours.
In one possible implementation, the mixture 2 and the binder in step three are in a ratio of 1.
In one possible implementation, the urea is urea powder and the zinc sulphate is technical zinc sulphate.
The industrial zinc sulfate is heptahydrate zinc sulfate.
In one possible implementation, the ratio of urea to technical zinc sulphate is 5-12:1, preferably 10:1.
in a second aspect, the present application provides a nitrogen fertilizer synergist obtained by the method of any one of the first aspect.
In a third aspect, the present application provides a production apparatus for the method for preparing nitrogen fertilizer synergist of the first aspect, comprising:
the mixing tank is used for mixing urea and zinc sulfate to obtain a binder, and the mixing tank is stirred by the stirring assembly;
the conveying belt is used for conveying the adhesive to the decocting tank, and a switch for controlling the conveying of the adhesive is arranged on the conveying belt;
a feeding tank for adding a mixture 1 of NBPT, DMPP and bentonite into the decocting tank;
a boiling pot comprising a heating plate at the bottom;
the decocting tank is used for heating the mixture 1 to obtain a clay-shaped mixture 2, and mixing the mixture 2 with a binder to obtain a mixture 3;
and the granulator is used for granulating the mixture 3 which is heated and stirred by the decocting tank to obtain the nitrogen fertilizer synergist.
In a possible implementation manner, the decocting pot further comprises a special scraper.
The special scraper is a disc which is matched with the inner wall of the decocting tank body, and the center of the scraper is provided with a rotary rod connected to the decocting tank body to drive the scraper to rotate.
The special scraper is provided with a scraper feeding port for feeding.
Hanging teeth distributed on the lower surface of the scraper in a cross shape are arranged below the special scraper.
The length of the hanging teeth is slightly smaller than the distance between the scraper and the heating plate and is a fixed value so as to ensure that materials are uniformly mixed, and the distance between the scraper and the heating plate is specially set for ensuring that the mixture 1 flatly laid on the heating plate can be heated to the clay-shaped mixture 2. Specifically, only the nitrogen fertilizer synergist which is stirred within a fixed value range can be granulated to obtain the product.
The technical effects of the binder, the preparation method thereof and the preparation method of the nitrogen fertilizer synergist provided by the application are as follows:
the nitrogen fertilizer synergist can be purchased by farmers according to traditional experience and traditional consciousness, and is added and matched with the varieties and scales of crops produced by the farmers to obtain the synergistic nitrogen fertilizer.
Different from various novel fertilizers (containing stimulin, medium trace elements, pesticides and the like) in the current market, the biological inhibitor is added, the utilization rate of the nitrogen fertilizer is improved, and the fertilizer is flexible and changeable for farmers and is suitable for various planting habits. Compared with the similar stable fertilizer products (such as stable large-particle urea) added with the inhibitor, the industrial situation that the use amount of the inhibitor is insufficient is solved, and the stable fertilizer containing the inhibitor is popularized on the aspect of not changing the current planting habits and planting modes of farmers to the greatest extent.
In addition, the method provided by the application relates to a configuration method and an adding method of the adhesive, and the method is improved as follows: urea and zinc sulphate can complex and act as binders due to their physical and chemical properties, but conventional formulations require heating to form a gel. The preparation method of the nitrogen fertilizer synergist only needs to stir and mix urea and zinc sulfate at normal temperature, the mixed binder is directly transported in a transportation mode through a conveyor belt, the binder and a heated mixture of NBPT, DMPP and bentonite are decocted into paste at one time, compared with a traditional binder preparation method, the method does not need to prepare and transport the colloidal binder in advance and then carry out subsequent production.
Drawings
FIG. 1 is a schematic view of the preparation steps of a nitrogen fertilizer synergist provided in the present application;
FIG. 2 is a schematic structural diagram of a production apparatus of a nitrogen fertilizer synergist preparation method provided in the embodiment of the present application;
FIG. 3 is a schematic bottom view of a scraper in a decocting pot provided in an embodiment of the present application;
fig. 4 is a schematic front view of a scraper in a decocting pot provided in the embodiment of the present application.
Detailed Description
To make the objects, technical solutions and advantages of the present application clearer, the technical solutions of the present application will be described clearly and completely with reference to fig. 1-4 of the present application, and it is obvious that the described embodiments are some, but not all embodiments of the present application. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present application.
Example one
The application provides a preparation method of a nitrogen fertilizer synergist, which comprises the following steps as shown in figures 1 and 2:
step one, adding NBPT, DMPP and bentonite into a feeding tank, and mixing to obtain a mixture 1;
step two, pouring the mixture 1 into a decocting pot, and heating to obtain a clay-shaped mixture 2;
step three, conveying the adhesive to the upper part of the decocting tank through a conveying belt, pouring the adhesive into the decocting tank, and stirring the adhesive and the mixture 2 to obtain a mixture 3;
and step four, extruding and granulating the mixture 3 to obtain the nitrogen fertilizer synergist.
Wherein the binder is a mixture obtained by stirring urea and zinc sulfate with a stirring rod at normal temperature.
As an example of implementation, the ratio of NBPT, DMPP and bentonite in step one is 1:18-20, preferably 1:18, and the resulting mixture 1 has a synergist component and a bentonite component of 1: 9.
As an example, the heating in step two is to obtain the mixture 2 by laying on a heating plate, specifically, the heating temperature of the heating plate is set to 100 ℃.
As an example of implementation, the heating temperature of the heating process in the second step is 90-100 ℃, preferably 100 ℃, and the heating time is more than 5 hours.
As an example of implementation, the mixture 2 and the binder in step three are in a ratio of 1:1 to 3, preferably 1:1.
As an example of an implementation, urea is urea powder and the zinc sulphate is technical zinc sulphate.
The industrial zinc sulfate is heptahydrate zinc sulfate.
As an example of implementation, the ratio of urea to technical zinc sulphate is 5-12:1, preferably 10:1.
As an example of implementation, the nitrogen fertilizer synergist prepared by granulation in the fourth step is spherical particles with the particle size of 3-5mm, so as to be suitable for the particle size of blended fertilizers, compound fertilizers and large-particle urea.
Example two
On the basis of the above embodiments, the present application provides a nitrogen fertilizer synergist, which is prepared by any one of the methods of the above embodiments.
As a practical example, the granulated product of the nitrogen fertilizer synergist provided by the embodiment of the application is packaged in a mode of packaging one package per 2kg, and provides guidance and measurement, and specifically, one package is mixed into the fertilizer purchased by a farmer per mu, so that the farmer can buy common fertilizer according to the traditional experience and the traditional consciousness, and the synergistic fertilizer is formed after the addition.
EXAMPLE III
On the basis of the above embodiment, the present application provides a production apparatus for a method for preparing nitrogen fertilizer synergist in the first aspect, comprising:
the mixing tank is used for mixing urea and zinc sulfate to obtain a binder, and the mixing tank is stirred by the stirring assembly;
the conveying belt is used for conveying the adhesive to the decocting tank, and a switch for controlling the conveying of the adhesive is arranged on the conveying belt;
a feeding tank for adding a mixture 1 of NBPT, DMPP and bentonite into the decocting tank;
a boiling pot comprising a heating plate at the bottom;
the decocting tank is used for heating the mixture 1 to obtain a clay-shaped mixture 2, and mixing the mixture 2 with a binder to obtain a mixture 3;
and the granulator is used for granulating the nitrogen fertilizer synergist after the heating and stirring of the boiling tank to obtain the nitrogen fertilizer synergist.
In one possible implementation, as shown in fig. 3 and 4, the cooking pot further comprises a special scraper.
The special scraper is a disc which is matched with the inner wall of the decocting tank body, and the center of the scraper is provided with a rotary rod connected to the decocting tank body to drive the scraper to rotate.
And a scraper feeding port is arranged above the special scraper and used for feeding.
Hanging teeth distributed on the lower surface of the scraper in a cross shape are arranged below the special scraper.
The length of the hanging teeth is slightly smaller than the distance between the scraper and the heating plate and is a fixed value so as to ensure that materials are uniformly mixed, and the distance between the scraper and the heating plate is specially set for ensuring that the mixture 1 flatly laid on the heating plate can be heated to the clay-shaped mixture 2. Specifically, only the nitrogen fertilizer synergist which is stirred within a fixed value range can be granulated to obtain the product.
The nitrogen fertilizer synergist and the preparation method thereof have the following technical effects:
the nitrogen fertilizer synergist can be purchased by farmers according to traditional experience and traditional consciousness and applied by combining the variety and scale of crops produced by the farmers.
Different from various novel fertilizers (containing stimulin, medium trace elements, pesticides and the like) on the current market, the biological inhibitor is added, the utilization rate of the nitrogen fertilizer is improved, and the fertilizer is flexible and changeable for farmers and is suitable for various planting habits. Compared with the similar stable fertilizer products (such as stable large-particle urea) added with the inhibitor, the industrial situation that the use amount of the inhibitor is insufficient is solved, and the stable fertilizer containing the inhibitor is popularized on the aspect of not changing the current planting habits and planting modes of farmers to the greatest extent.
In addition, the method provided by the application is improved as follows: urea and zinc sulfate can complex and can be used as a binder due to their physical and chemical properties, but conventional preparation methods require heating to form a gel. The application provides a nitrogen fertilizer synergist preparation method only need stir urea and zinc sulfate and mix at normal atmospheric temperature, the good binder of transportation through the conveyer belt directly transports, it is once only to decoct binder and the mixture of NBPT, DMPP, bentonite after the heating into the pasty, compare traditional binder preparation method, need not dispose in advance and transport colloidal binder and carry out production afterwards, the method that this application provided adopts whole decocting method, the step is simple, high production efficiency, use along with preparing, the save requirement to binder configuration has been reduced, the binder transports conveniently, the loss is little, low in production cost.
The above description is only for the specific embodiments of the present application, but the scope of the present application is not limited thereto, and any person skilled in the art can easily conceive of the changes or substitutions within the technical scope of the present application, and shall be covered by the scope of the present application. Therefore, the protection scope of the present application shall be subject to the protection scope of the claims.
Claims (10)
1. A preparation method of a nitrogen fertilizer synergist is characterized by comprising the following steps:
step one, mixing NBPT, DMPP and bentonite to prepare a mixture 1;
step two, heating the mixture 1 to obtain a clay-shaped mixture 2;
pouring a binder into the mixture 2, and stirring the binder and the mixture 2 to obtain a mixture 3;
step four, extruding and granulating the mixture 3 to obtain a nitrogen fertilizer synergist;
wherein the binder is a mixture of urea and zinc sulfate at normal temperature.
2. The method of making a nitrogen fertilizer synergist of claim 1 wherein in step one said NBPT, said DMPP and said bentonite are in a ratio of 1: 18-20.
3. The method for preparing nitrogen fertilizer synergist of claim 1, wherein in step two, the mixture 1 is spread on a heating plate in a decocting tank and heated to obtain the mixture 2.
4. The method for preparing nitrogen fertilizer synergist in claim 1 wherein the heating temperature of the heating process in step two is 90-100 ℃ and the heating time is more than 5 hours.
5. A method of preparing a nitrogen fertilizer synergist as claimed in claim 1, wherein said mixture 2 and said binder in said third step are in a ratio of 1: 1-3.
6. A method for preparing a nitrogen fertilizer synergist according to claim 1, characterized in that the urea is urea powder, and the zinc sulfate is industrial zinc sulfate;
the industrial zinc sulfate is zinc sulfate heptahydrate.
7. A method of preparing a nitrogen fertilizer synergist as claimed in claim 6, wherein the ratio of said urea to said zinc sulphate for industrial use is 5-12: 1.
8. A nitrogen fertilizer synergist characterized in that it is prepared by the method of any one of claims 1 to 7.
9. A production plant for applying a method of preparation of nitrogen fertilizer synergists as defined in any one of claims 1 to 7, characterized in that it comprises:
the mixing tank is used for mixing urea and zinc sulfate to obtain a binder;
the conveying belt is used for conveying the binder to the decocting tank;
a feeding tank for adding a mixture 1 of NBPT, DMPP and bentonite into the decocting tank;
the boiling pot comprises a heating plate at the bottom;
the decocting tank is used for heating the mixture 1 to obtain a clay-shaped mixture 2, and mixing the mixture 2 with a binder to obtain a mixture 3;
and the granulator is used for granulating the mixture 3 which is heated and stirred by the decocting tank to obtain the nitrogen fertilizer synergist.
10. The method of preparing a nitrogen fertilizer synergist of claim 9, wherein said decocting tank further comprises a special scraper;
the special scraper is a disc which is matched with the inner wall of the pot body of the boiling pot;
the special scraper is provided with a scraper feeding port;
hanging teeth distributed in a cross shape are arranged below the special scraper.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202210919401.1A CN115340429A (en) | 2022-08-01 | 2022-08-01 | Nitrogen fertilizer synergist and preparation method and production device thereof |
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| Application Number | Priority Date | Filing Date | Title |
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| CN202210919401.1A CN115340429A (en) | 2022-08-01 | 2022-08-01 | Nitrogen fertilizer synergist and preparation method and production device thereof |
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| CN115340429A true CN115340429A (en) | 2022-11-15 |
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Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105367207A (en) * | 2014-08-26 | 2016-03-02 | 中国科学院沈阳应用生态研究所 | Nitrogen fertilizer synergist and application thereof |
| CN105669332A (en) * | 2016-01-15 | 2016-06-15 | 江西省农业科学院土壤肥料与资源环境研究所 | Paddy field nitrogen fertilizer synergist and application method thereof |
| CN112457116A (en) * | 2020-11-30 | 2021-03-09 | 锦西天然气化工有限责任公司 | Nitrogen fertilizer synergistic fertilizer and preparation method thereof |
| CN114195575A (en) * | 2021-11-17 | 2022-03-18 | 锦西天然气化工有限责任公司 | Synergistic particle, preparation method thereof and bulk blending fertilizer |
-
2022
- 2022-08-01 CN CN202210919401.1A patent/CN115340429A/en active Pending
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105367207A (en) * | 2014-08-26 | 2016-03-02 | 中国科学院沈阳应用生态研究所 | Nitrogen fertilizer synergist and application thereof |
| CN105669332A (en) * | 2016-01-15 | 2016-06-15 | 江西省农业科学院土壤肥料与资源环境研究所 | Paddy field nitrogen fertilizer synergist and application method thereof |
| CN112457116A (en) * | 2020-11-30 | 2021-03-09 | 锦西天然气化工有限责任公司 | Nitrogen fertilizer synergistic fertilizer and preparation method thereof |
| CN114195575A (en) * | 2021-11-17 | 2022-03-18 | 锦西天然气化工有限责任公司 | Synergistic particle, preparation method thereof and bulk blending fertilizer |
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