CN114195575A - Synergistic particle, preparation method thereof and bulk blending fertilizer - Google Patents
Synergistic particle, preparation method thereof and bulk blending fertilizer Download PDFInfo
- Publication number
- CN114195575A CN114195575A CN202111359043.5A CN202111359043A CN114195575A CN 114195575 A CN114195575 A CN 114195575A CN 202111359043 A CN202111359043 A CN 202111359043A CN 114195575 A CN114195575 A CN 114195575A
- Authority
- CN
- China
- Prior art keywords
- synergistic
- fertilizer
- particles
- zinc sulfate
- bentonite
- Prior art date
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- 239000003337 fertilizer Substances 0.000 title claims abstract description 82
- 230000002195 synergetic effect Effects 0.000 title claims abstract description 55
- 239000002245 particle Substances 0.000 title claims abstract description 53
- 238000002156 mixing Methods 0.000 title claims abstract description 42
- 238000002360 preparation method Methods 0.000 title claims abstract description 13
- 229960001763 zinc sulfate Drugs 0.000 claims abstract description 27
- 229910000368 zinc sulfate Inorganic materials 0.000 claims abstract description 27
- XSQUKJJJFZCRTK-UHFFFAOYSA-N Urea Chemical compound NC(N)=O XSQUKJJJFZCRTK-UHFFFAOYSA-N 0.000 claims abstract description 26
- 239000000440 bentonite Substances 0.000 claims abstract description 26
- 229910000278 bentonite Inorganic materials 0.000 claims abstract description 26
- SVPXDRXYRYOSEX-UHFFFAOYSA-N bentoquatam Chemical compound O.O=[Si]=O.O=[Al]O[Al]=O SVPXDRXYRYOSEX-UHFFFAOYSA-N 0.000 claims abstract description 26
- 239000004202 carbamide Substances 0.000 claims abstract description 26
- HEPPIYNOUFWEPP-UHFFFAOYSA-N n-diaminophosphinothioylbutan-1-amine Chemical compound CCCCNP(N)(N)=S HEPPIYNOUFWEPP-UHFFFAOYSA-N 0.000 claims abstract description 26
- 238000001125 extrusion Methods 0.000 claims abstract description 4
- 239000000203 mixture Substances 0.000 claims description 28
- RZLVQBNCHSJZPX-UHFFFAOYSA-L zinc sulfate heptahydrate Chemical compound O.O.O.O.O.O.O.[Zn+2].[O-]S([O-])(=O)=O RZLVQBNCHSJZPX-UHFFFAOYSA-L 0.000 claims description 28
- 238000005303 weighing Methods 0.000 claims description 9
- 238000000034 method Methods 0.000 claims description 7
- HCHKCACWOHOZIP-UHFFFAOYSA-N Zinc Chemical compound [Zn] HCHKCACWOHOZIP-UHFFFAOYSA-N 0.000 claims description 6
- 239000011701 zinc Substances 0.000 claims description 6
- 229910052725 zinc Inorganic materials 0.000 claims description 6
- ZFXVRMSLJDYJCH-UHFFFAOYSA-N calcium magnesium Chemical group [Mg].[Ca] ZFXVRMSLJDYJCH-UHFFFAOYSA-N 0.000 claims description 3
- 238000010438 heat treatment Methods 0.000 claims description 3
- LOCHUGHDBWUEDN-UHFFFAOYSA-L zinc;sulfate;pentahydrate Chemical compound O.O.O.O.O.[Zn+2].[O-]S([O-])(=O)=O LOCHUGHDBWUEDN-UHFFFAOYSA-L 0.000 claims description 3
- 238000004519 manufacturing process Methods 0.000 abstract description 19
- 238000013461 design Methods 0.000 abstract description 5
- 239000008187 granular material Substances 0.000 abstract description 5
- 238000012827 research and development Methods 0.000 abstract description 3
- 238000012546 transfer Methods 0.000 abstract description 3
- NWONKYPBYAMBJT-UHFFFAOYSA-L zinc sulfate Chemical group [Zn+2].[O-]S([O-])(=O)=O NWONKYPBYAMBJT-UHFFFAOYSA-L 0.000 abstract 2
- 239000004615 ingredient Substances 0.000 abstract 1
- 239000011573 trace mineral Substances 0.000 description 5
- 235000013619 trace mineral Nutrition 0.000 description 5
- 230000009286 beneficial effect Effects 0.000 description 4
- 239000000463 material Substances 0.000 description 4
- 238000005469 granulation Methods 0.000 description 3
- 230000003179 granulation Effects 0.000 description 3
- WCUXLLCKKVVCTQ-UHFFFAOYSA-M Potassium chloride Chemical compound [Cl-].[K+] WCUXLLCKKVVCTQ-UHFFFAOYSA-M 0.000 description 2
- 239000012752 auxiliary agent Substances 0.000 description 2
- 239000000428 dust Substances 0.000 description 2
- 239000002689 soil Substances 0.000 description 2
- KWYUFKZDYYNOTN-UHFFFAOYSA-M Potassium hydroxide Chemical compound [OH-].[K+] KWYUFKZDYYNOTN-UHFFFAOYSA-M 0.000 description 1
- BFNBIHQBYMNNAN-UHFFFAOYSA-N ammonium sulfate Chemical compound N.N.OS(O)(=O)=O BFNBIHQBYMNNAN-UHFFFAOYSA-N 0.000 description 1
- 229910052921 ammonium sulfate Inorganic materials 0.000 description 1
- 235000011130 ammonium sulphate Nutrition 0.000 description 1
- YYRMJZQKEFZXMX-UHFFFAOYSA-N calcium;phosphoric acid Chemical compound [Ca+2].OP(O)(O)=O.OP(O)(O)=O YYRMJZQKEFZXMX-UHFFFAOYSA-N 0.000 description 1
- 235000013877 carbamide Nutrition 0.000 description 1
- 238000011161 development Methods 0.000 description 1
- 239000003112 inhibitor Substances 0.000 description 1
- QJGQUHMNIGDVPM-UHFFFAOYSA-N nitrogen group Chemical group [N] QJGQUHMNIGDVPM-UHFFFAOYSA-N 0.000 description 1
- 235000015097 nutrients Nutrition 0.000 description 1
- 239000008188 pellet Substances 0.000 description 1
- 229940072033 potash Drugs 0.000 description 1
- BWHMMNNQKKPAPP-UHFFFAOYSA-L potassium carbonate Substances [K+].[K+].[O-]C([O-])=O BWHMMNNQKKPAPP-UHFFFAOYSA-L 0.000 description 1
- 235000015320 potassium carbonate Nutrition 0.000 description 1
- 239000001103 potassium chloride Substances 0.000 description 1
- 235000011164 potassium chloride Nutrition 0.000 description 1
- 238000012545 processing Methods 0.000 description 1
- 239000000126 substance Substances 0.000 description 1
- 239000002426 superphosphate Substances 0.000 description 1
Classifications
-
- C—CHEMISTRY; METALLURGY
- C05—FERTILISERS; MANUFACTURE THEREOF
- C05C—NITROGENOUS FERTILISERS
- C05C9/00—Fertilisers containing urea or urea compounds
-
- 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
-
- 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
Abstract
A synergistic granule and its preparation method and mixing fertilizer, the synergistic granule ingredient is zinc sulfate, urea, bentonite, butyl thiophosphoric triamide (NBPT); mixing zinc sulfate, urea, bentonite and n-butyl thiophosphoric triamide (NBPT) in proportion, and then carrying out extrusion forming; the synergistic particles are added into the bulk blending fertilizer according to the mass ratio of 1 percent, so that the stability and the synergy of the bulk blending fertilizer are improved. The synergistic particles and the bulk blended fertilizer can transfer the technology upgrading cost of local small bulk blended fertilizer production enterprises to synergistic particle research and development production units, reduce the production design threshold of the stable and synergistic bulk blended fertilizer, and promote the high-performance bulk blended fertilizer by virtue of the advantages of the local small bulk blended fertilizer enterprises.
Description
Technical Field
The invention relates to the field of chemical fertilizers, and in particular relates to synergistic particles, a preparation method thereof and a blended fertilizer.
Background
According to the upgrading requirement of the fertilizer industry, the traditional fertilizer is transformed to stability, specificity and synergy. The bulk blending fertilizer (BB fertilizer) is obtained by blending and mixing nitrogenous fertilizers such as urea, ammonium sulfate, potassium chloride and triple superphosphate, potash fertilizers and phosphatic fertilizers according to different weight proportions, wherein the weight proportions of the fertilizers can be adjusted according to the actual needs of crops and soil, and the bulk blending fertilizer is beneficial to the growth of the crops and the improvement of the soil, has low production cost and simple operation, and is a fertilizer product type which is low in production technology threshold, flexible in formula and easy to popularize and faces farmers; meanwhile, due to the low technical threshold, a plurality of small fertilizer production enterprises and small fertilizer processing enterprises exist in all places.
However, these small-scale enterprises are small in size and poor in economic capability, and do not have a complete production system, and the n-butyl thiophosphoric triamide NBPT serving as a biochemical inhibitor for widely used stable urea usually needs to be added into the system to obtain stable urea particles. Therefore, the method is not suitable for small-sized bulk blend fertilizer production enterprises, and is not beneficial to the upgrading development of the fertilizer industry and the popularization of novel high-efficiency fertilizers.
Disclosure of Invention
Based on the problems in the prior art, the invention discloses synergistic particles and a preparation method thereof, the prepared synergistic particles are suitable for small bulk blend fertilizer production enterprises, and the small bulk blend fertilizer production enterprises add the synergistic particles prepared by the invention into bulk blend fertilizers to improve the stability and the synergy of the bulk blend fertilizers.
In order to achieve the purpose, the invention adopts the following technical scheme:
in a first aspect, the present application provides a synergistic particulate having zinc sulfate, urea, bentonite, n-butyl thiophosphoric triamide (NBPT).
The application provides a synergistic granule can improve the stability and the synergism of bulk blending fertilizer.
In a second aspect, the present application provides a method of preparing a synergistic particle, the method comprising the steps of:
heating and dissolving the zinc sulfate to obtain a zinc sulfate solution, and placing the zinc sulfate solution into a mixing container;
weighing the urea, and adding the urea into the zinc sulfate solution to obtain a mixture 1;
weighing the bentonite, and adding the bentonite into the mixture 1 to obtain a mixture 2;
weighing the NBPT and adding the NBPT into the mixture 2 to obtain a mixture 3;
and (3) extruding the mixture 3 in an extrusion granulator to obtain round synergistic particles.
In one possible implementation, the zinc sulfate is at least one of zinc sulfate pentahydrate and zinc sulfate heptahydrate.
In one possible implementation, the mass ratio of urea to zinc sulfate is 6: 1; the mass ratio of the NBPT to the mixture 2 is 1: 1.
in a possible implementation manner, the bentonite is calcium-magnesium bentonite, and the mass ratio of the bentonite to the mixture 1 is 1: 1.
in one possible implementation, the mixing vessel is a stirrer.
In one possible implementation, the diameter of the appearance of the synergistic particles is 4-8 mm.
The bulk blending fertilizer is characterized in that the synergistic particles prepared by the preparation method of claim 2 are added into the bulk blending fertilizer, wherein the mass ratio of the synergistic particles to the bulk blending fertilizer is 1: 90-100.
In one possible implementation manner, the mass ratio of the synergistic particles to the bulk blending fertilizer is 1: 100.
in a possible implementation mode, the content of NBPT in the blended fertilizer is more than or equal to 0.5%, and the content of zinc in the blended fertilizer is more than or equal to 0.08%.
The invention has the beneficial effects that: urea and bentonite are selected as particle foundations, wherein the urea can improve the material granulation performance and can be used as an N element in the fertilizer; wherein the bentonite can be used for disintegrating the granules; zinc sulfate is selected as an auxiliary agent, has the performance of trace elements as a zinc fertilizer, and has stronger viscosity after being melted and combined with urea; selecting NBPT as a synergist; finally, mixing and extruding to obtain synergistic particles, wherein small-sized bulk blending fertilizer production enterprises can comprehensively consider the contents of N elements and trace elements in the synergistic particles, and design the formula and the proportion of the bulk blending fertilizer by themselves, for example, the synergistic particles are added into the bulk blending fertilizer according to the mass ratio of 1%; not only can the synergistic particles improve the stability and the synergy of the blended fertilizer. The synergistic particles and the blended fertilizer can transfer the technology upgrading cost of local small-sized blended fertilizer production enterprises to the research and development production unit of the synergistic particles, reduce the production design threshold of the stable and synergistic blended fertilizer, and promote the high-performance blended fertilizer by virtue of the advantages of the local small-sized fertilizer enterprises.
Detailed Description
In order to make the aforementioned objects, features and advantages of the present invention comprehensible, embodiments of the present invention are described in detail below. It is to be understood that the described embodiments are merely a few embodiments of the invention, and not all embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without any inventive step, are within the scope of the present invention.
The examples provide synergistic particles which in one example comprise zinc sulfate, urea, bentonite, and n-butyl thiophosphoric triamide (NBPT).
The embodiment of the application also provides a preparation method of the synergistic particles, and the preparation method of the synergistic particles comprises the following steps:
heating and dissolving the zinc sulfate to obtain a zinc sulfate solution, and placing the zinc sulfate solution into a mixing container;
weighing the urea, and adding the urea into the zinc sulfate solution to obtain a mixture 1;
weighing the bentonite, and adding the bentonite into the mixture 1 to obtain a mixture 2;
weighing the NBPT and adding the NBPT into the mixture 2 to obtain a mixture 3;
and (3) extruding the mixture 3 in an extrusion granulator to obtain round synergistic particles.
In one example, the zinc sulfate is at least one of zinc sulfate pentahydrate and zinc sulfate heptahydrate.
In the example, the zinc sulfate as the zinc fertilizer has trace element performance, and the zinc sulfate is fused and combined with urea to have strong viscosity.
In one example, the mass ratio of the urea to the zinc sulfate is 6: 1; the mass ratio of the NBPT to the mixed material 2 is 1: 1.
in one example, the bentonite is calcium-magnesium bentonite, and the mass ratio of the bentonite to the mixture 1 is 1: 1.
this example selects urea dust, bentonite as the particle basis: the urea dust can improve the material granulation performance and is used as an N element in the fertilizer; the bentonite has the function of particle disintegration.
In one example, the mixing vessel is a blender; the stirrer is a strong stirrer.
In one example, the round synergistic particles have an apparent diameter of 4-8mm in order to match the blending fertilizer production unit and blending requirements.
The embodiment of the application also provides a bulk blending fertilizer, wherein the synergistic particles prepared by the preparation method according to claim 2 are added into the bulk blending fertilizer, and the ratio of the synergistic particles to the bulk blending fertilizer is 1: 90-100.
In one example, the mass ratio of the synergistic particles to the bulk blended fertilizer is 1: 100.
in the example, the nutrient ratio of N/P/K in the bulk blended fertilizer is kept as much as possible, and the technical characteristics of the bulk blended fertilizer are kept by adding 1% of synergistic particles into the bulk blended fertilizer with the existing formula. In one example, the synergistic particles may be added to the bulk fertilizer as D4 pellets.
In an alternative embodiment, the content of NBPT in the bulk blended fertilizer is more than or equal to 0.5 percent, and the content of zinc is more than or equal to 0.08 percent, so as to meet the relevant standards of the stability bulk blended fertilizer and the zinc-added fertilizer.
The invention has the beneficial effects that: urea and bentonite are selected as particle foundations, wherein the urea can improve the material granulation performance and can be used as an N element in the fertilizer; wherein the bentonite can be used for disintegrating the granules; zinc sulfate is selected as an auxiliary agent, has the performance of trace elements as a zinc fertilizer, and has stronger viscosity after being melted and combined with urea; selecting NBPT as a synergist; finally, mixing and extruding to obtain synergistic particles, wherein small-sized bulk blending fertilizer production enterprises can comprehensively consider the contents of N elements and trace elements in the synergistic particles, and design the formula and the proportion of the bulk blending fertilizer by themselves, for example, the synergistic particles are added into the bulk blending fertilizer according to the mass ratio of 1%; not only can the synergistic particles improve the stability and the synergy of the blended fertilizer. The synergistic particles and the blended fertilizer can transfer the technology upgrading cost of local small-sized blended fertilizer production enterprises to the research and development production unit of the synergistic particles, reduce the production design threshold of the stable and synergistic blended fertilizer, and promote the high-performance blended fertilizer by virtue of the advantages of the local small-sized fertilizer enterprises.
Claims (10)
1. The synergistic particle is characterized by comprising zinc sulfate, urea, bentonite and n-butyl thiophosphoric triamide (NBPT).
2. A preparation method of synergistic particles is characterized by comprising the following steps:
heating and dissolving zinc sulfate to obtain a zinc sulfate solution, and placing the zinc sulfate solution into a mixing container;
weighing urea and adding the urea into the zinc sulfate solution to obtain a mixture 1;
weighing bentonite, and adding the bentonite into the mixture 1 to obtain a mixture 2;
weighing NBPT, and adding the NBPT into the mixture 2 to obtain a mixture 3;
and (3) extruding the mixture 3 in an extrusion granulator to obtain round synergistic particles.
3. The method for preparing synergistic particles of claim 2, wherein the zinc sulfate is at least one of zinc sulfate pentahydrate and zinc sulfate heptahydrate.
4. The preparation method of the synergistic particle as claimed in claim 2, wherein the mass ratio of the urea to the zinc sulfate is 6: 1; the mass ratio of the NBPT to the mixture 2 is 1: 1.
5. the method for preparing the synergistic particles as claimed in claim 2, wherein the bentonite is calcium-magnesium bentonite, and the mass ratio of the bentonite to the mixture 1 is 1: 1.
6. a process according to claim 2, wherein the mixing vessel is a mixer.
7. A process for the preparation of synergistic particles as claimed in claim 2, wherein the diameter of the synergistic particles is 4 to 8 mm.
8. The bulk blending fertilizer is characterized in that the bulk blending fertilizer is added with the synergistic particles prepared by the preparation method according to any one of claims 2 to 7, wherein the mass ratio of the synergistic particles to the bulk blending fertilizer is 1: 90-100.
9. The bulk blending fertilizer of claim 8, wherein the content of NBPT in the bulk blending fertilizer is not less than 0.5%, and the content of zinc in the bulk blending fertilizer is not less than 0.08%.
10. The bulk blending fertilizer of claim 8, wherein the ratio of the synergistic particles to the bulk blending fertilizer is 1: 100.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202111359043.5A CN114195575A (en) | 2021-11-17 | 2021-11-17 | Synergistic particle, preparation method thereof and bulk blending fertilizer |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202111359043.5A CN114195575A (en) | 2021-11-17 | 2021-11-17 | Synergistic particle, preparation method thereof and bulk blending fertilizer |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN114195575A true CN114195575A (en) | 2022-03-18 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202111359043.5A Pending CN114195575A (en) | 2021-11-17 | 2021-11-17 | Synergistic particle, preparation method thereof and bulk blending fertilizer |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN114195575A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115340429A (en) * | 2022-08-01 | 2022-11-15 | 锦西天然气化工有限责任公司 | Nitrogen fertilizer synergist and preparation method and production device thereof |
Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2009051496A1 (en) * | 2007-10-18 | 2009-04-23 | Robert Hamilton Hall | Improvements in and relating to soil treatments |
| 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 |
-
2021
- 2021-11-17 CN CN202111359043.5A patent/CN114195575A/en active Pending
Patent Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2009051496A1 (en) * | 2007-10-18 | 2009-04-23 | Robert Hamilton Hall | Improvements in and relating to soil treatments |
| 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 |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115340429A (en) * | 2022-08-01 | 2022-11-15 | 锦西天然气化工有限责任公司 | Nitrogen fertilizer synergist and preparation method and production device thereof |
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Application publication date: 20220318 |