CN115010552B - Nanometer mineral powder, preparation method and application thereof in preparing fertilizer - Google Patents
Nanometer mineral powder, preparation method and application thereof in preparing fertilizer Download PDFInfo
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- CN115010552B CN115010552B CN202210603242.4A CN202210603242A CN115010552B CN 115010552 B CN115010552 B CN 115010552B CN 202210603242 A CN202210603242 A CN 202210603242A CN 115010552 B CN115010552 B CN 115010552B
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- 239000003337 fertilizer Substances 0.000 title claims abstract description 75
- 239000000843 powder Substances 0.000 title claims abstract description 65
- 229910052500 inorganic mineral Inorganic materials 0.000 title claims abstract description 56
- 239000011707 mineral Substances 0.000 title claims abstract description 56
- 238000002360 preparation method Methods 0.000 title claims abstract description 19
- 239000002689 soil Substances 0.000 claims abstract description 52
- 239000002994 raw material Substances 0.000 claims abstract description 49
- 229910001570 bauxite Inorganic materials 0.000 claims abstract description 29
- 238000000227 grinding Methods 0.000 claims abstract description 19
- NLYAJNPCOHFWQQ-UHFFFAOYSA-N kaolin Chemical compound O.O.O=[Al]O[Si](=O)O[Si](=O)O[Al]=O NLYAJNPCOHFWQQ-UHFFFAOYSA-N 0.000 claims abstract description 19
- 229910052900 illite Inorganic materials 0.000 claims abstract description 18
- 229910052622 kaolinite Inorganic materials 0.000 claims abstract description 18
- VGIBGUSAECPPNB-UHFFFAOYSA-L nonaaluminum;magnesium;tripotassium;1,3-dioxido-2,4,5-trioxa-1,3-disilabicyclo[1.1.1]pentane;iron(2+);oxygen(2-);fluoride;hydroxide Chemical compound [OH-].[O-2].[O-2].[O-2].[O-2].[O-2].[F-].[Mg+2].[Al+3].[Al+3].[Al+3].[Al+3].[Al+3].[Al+3].[Al+3].[Al+3].[Al+3].[K+].[K+].[K+].[Fe+2].O1[Si]2([O-])O[Si]1([O-])O2.O1[Si]2([O-])O[Si]1([O-])O2.O1[Si]2([O-])O[Si]1([O-])O2.O1[Si]2([O-])O[Si]1([O-])O2.O1[Si]2([O-])O[Si]1([O-])O2.O1[Si]2([O-])O[Si]1([O-])O2.O1[Si]2([O-])O[Si]1([O-])O2 VGIBGUSAECPPNB-UHFFFAOYSA-L 0.000 claims abstract description 18
- 229910052903 pyrophyllite Inorganic materials 0.000 claims abstract description 18
- 238000005188 flotation Methods 0.000 claims abstract description 13
- 238000001035 drying Methods 0.000 claims abstract description 12
- 239000012535 impurity Substances 0.000 claims abstract description 7
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims description 30
- 150000001875 compounds Chemical class 0.000 claims description 21
- 239000002245 particle Substances 0.000 claims description 21
- 240000008042 Zea mays Species 0.000 claims description 20
- 235000005824 Zea mays ssp. parviglumis Nutrition 0.000 claims description 20
- 235000002017 Zea mays subsp mays Nutrition 0.000 claims description 20
- 235000005822 corn Nutrition 0.000 claims description 20
- 239000007788 liquid Substances 0.000 claims description 15
- 239000006260 foam Substances 0.000 claims description 12
- 125000000129 anionic group Chemical group 0.000 claims description 11
- 229920002401 polyacrylamide Polymers 0.000 claims description 11
- 238000000034 method Methods 0.000 claims description 10
- 239000007787 solid Substances 0.000 claims description 10
- 235000014113 dietary fatty acids Nutrition 0.000 claims description 8
- 239000000194 fatty acid Substances 0.000 claims description 8
- 229930195729 fatty acid Natural products 0.000 claims description 8
- 241000209140 Triticum Species 0.000 claims description 6
- 235000021307 Triticum Nutrition 0.000 claims description 6
- 238000004064 recycling Methods 0.000 claims description 5
- -1 sodium fatty acid Chemical class 0.000 claims description 5
- WRIDQFICGBMAFQ-UHFFFAOYSA-N (E)-8-Octadecenoic acid Natural products CCCCCCCCCC=CCCCCCCC(O)=O WRIDQFICGBMAFQ-UHFFFAOYSA-N 0.000 claims description 4
- LQJBNNIYVWPHFW-UHFFFAOYSA-N 20:1omega9c fatty acid Natural products CCCCCCCCCCC=CCCCCCCCC(O)=O LQJBNNIYVWPHFW-UHFFFAOYSA-N 0.000 claims description 4
- QSBYPNXLFMSGKH-UHFFFAOYSA-N 9-Heptadecensaeure Natural products CCCCCCCC=CCCCCCCCC(O)=O QSBYPNXLFMSGKH-UHFFFAOYSA-N 0.000 claims description 4
- 239000005642 Oleic acid Substances 0.000 claims description 4
- ZQPPMHVWECSIRJ-UHFFFAOYSA-N Oleic acid Natural products CCCCCCCCC=CCCCCCCCC(O)=O ZQPPMHVWECSIRJ-UHFFFAOYSA-N 0.000 claims description 4
- BCKXLBQYZLBQEK-KVVVOXFISA-M Sodium oleate Chemical compound [Na+].CCCCCCCC\C=C/CCCCCCCC([O-])=O BCKXLBQYZLBQEK-KVVVOXFISA-M 0.000 claims description 4
- 150000004665 fatty acids Chemical class 0.000 claims description 4
- 239000008394 flocculating agent Substances 0.000 claims description 4
- QXJSBBXBKPUZAA-UHFFFAOYSA-N isooleic acid Natural products CCCCCCCC=CCCCCCCCCC(O)=O QXJSBBXBKPUZAA-UHFFFAOYSA-N 0.000 claims description 4
- ZQPPMHVWECSIRJ-KTKRTIGZSA-N oleic acid Chemical compound CCCCCCCC\C=C/CCCCCCCC(O)=O ZQPPMHVWECSIRJ-KTKRTIGZSA-N 0.000 claims description 4
- 238000003825 pressing Methods 0.000 claims description 4
- 239000011734 sodium Substances 0.000 claims description 4
- 229910052708 sodium Inorganic materials 0.000 claims description 4
- 229910001710 laterite Inorganic materials 0.000 claims description 3
- 239000011504 laterite Substances 0.000 claims description 3
- GCLGEJMYGQKIIW-UHFFFAOYSA-H sodium hexametaphosphate Chemical compound [Na]OP1(=O)OP(=O)(O[Na])OP(=O)(O[Na])OP(=O)(O[Na])OP(=O)(O[Na])OP(=O)(O[Na])O1 GCLGEJMYGQKIIW-UHFFFAOYSA-H 0.000 claims description 3
- 235000019982 sodium hexametaphosphate Nutrition 0.000 claims description 3
- 239000001577 tetrasodium phosphonato phosphate Substances 0.000 claims description 3
- 238000005067 remediation Methods 0.000 claims description 2
- 239000003795 chemical substances by application Substances 0.000 claims 2
- 230000000694 effects Effects 0.000 abstract description 10
- 230000006872 improvement Effects 0.000 abstract description 8
- 230000009286 beneficial effect Effects 0.000 abstract description 5
- 239000000463 material Substances 0.000 abstract description 4
- 241000196324 Embryophyta Species 0.000 abstract description 3
- 239000002366 mineral element Substances 0.000 abstract description 3
- 230000001502 supplementing effect Effects 0.000 abstract description 3
- 230000007613 environmental effect Effects 0.000 abstract description 2
- 230000002349 favourable effect Effects 0.000 abstract description 2
- 239000000126 substance Substances 0.000 abstract description 2
- 235000010755 mineral Nutrition 0.000 description 42
- 244000105624 Arachis hypogaea Species 0.000 description 19
- 235000020232 peanut Nutrition 0.000 description 19
- 235000002566 Capsicum Nutrition 0.000 description 14
- VYPSYNLAJGMNEJ-UHFFFAOYSA-N Silicium dioxide Chemical compound O=[Si]=O VYPSYNLAJGMNEJ-UHFFFAOYSA-N 0.000 description 14
- GWEVSGVZZGPLCZ-UHFFFAOYSA-N Titan oxide Chemical compound O=[Ti]=O GWEVSGVZZGPLCZ-UHFFFAOYSA-N 0.000 description 14
- 235000017060 Arachis glabrata Nutrition 0.000 description 10
- 235000010777 Arachis hypogaea Nutrition 0.000 description 10
- 235000018262 Arachis monticola Nutrition 0.000 description 10
- 230000001965 increasing effect Effects 0.000 description 10
- 239000000047 product Substances 0.000 description 10
- 239000006002 Pepper Substances 0.000 description 9
- 241000722363 Piper Species 0.000 description 9
- 235000016761 Piper aduncum Nutrition 0.000 description 9
- 235000017804 Piper guineense Nutrition 0.000 description 9
- 235000008184 Piper nigrum Nutrition 0.000 description 9
- 235000021049 nutrient content Nutrition 0.000 description 9
- 238000012360 testing method Methods 0.000 description 9
- WCUXLLCKKVVCTQ-UHFFFAOYSA-M Potassium chloride Chemical compound [Cl-].[K+] WCUXLLCKKVVCTQ-UHFFFAOYSA-M 0.000 description 8
- 208000037265 diseases, disorders, signs and symptoms Diseases 0.000 description 8
- 238000011161 development Methods 0.000 description 7
- 239000000377 silicon dioxide Substances 0.000 description 7
- 235000012239 silicon dioxide Nutrition 0.000 description 7
- 239000004408 titanium dioxide Substances 0.000 description 7
- NLXLAEXVIDQMFP-UHFFFAOYSA-N Ammonia chloride Chemical compound [NH4+].[Cl-] NLXLAEXVIDQMFP-UHFFFAOYSA-N 0.000 description 6
- XSQUKJJJFZCRTK-UHFFFAOYSA-N Urea Chemical compound NC(N)=O XSQUKJJJFZCRTK-UHFFFAOYSA-N 0.000 description 6
- 239000004202 carbamide Substances 0.000 description 6
- 201000010099 disease Diseases 0.000 description 6
- 238000003306 harvesting Methods 0.000 description 6
- 240000002234 Allium sativum Species 0.000 description 5
- 235000004611 garlic Nutrition 0.000 description 5
- 238000004519 manufacturing process Methods 0.000 description 5
- 239000000203 mixture Substances 0.000 description 5
- LFVGISIMTYGQHF-UHFFFAOYSA-N ammonium dihydrogen phosphate Chemical compound [NH4+].OP(O)([O-])=O LFVGISIMTYGQHF-UHFFFAOYSA-N 0.000 description 4
- 229910000387 ammonium dihydrogen phosphate Inorganic materials 0.000 description 4
- 239000002131 composite material Substances 0.000 description 4
- 235000013399 edible fruits Nutrition 0.000 description 4
- 238000005516 engineering process Methods 0.000 description 4
- 239000006012 monoammonium phosphate Substances 0.000 description 4
- 235000019837 monoammonium phosphate Nutrition 0.000 description 4
- 239000002086 nanomaterial Substances 0.000 description 4
- 239000001103 potassium chloride Substances 0.000 description 4
- 235000011164 potassium chloride Nutrition 0.000 description 4
- 240000008574 Capsicum frutescens Species 0.000 description 3
- 235000019270 ammonium chloride Nutrition 0.000 description 3
- 239000001390 capsicum minimum Substances 0.000 description 3
- 235000013339 cereals Nutrition 0.000 description 3
- 238000007796 conventional method Methods 0.000 description 3
- 238000009837 dry grinding Methods 0.000 description 3
- 238000005469 granulation Methods 0.000 description 3
- 230000003179 granulation Effects 0.000 description 3
- 239000012528 membrane Substances 0.000 description 3
- 229910052939 potassium sulfate Inorganic materials 0.000 description 3
- 235000011151 potassium sulphates Nutrition 0.000 description 3
- IJGRMHOSHXDMSA-UHFFFAOYSA-N Atomic nitrogen Chemical compound N#N IJGRMHOSHXDMSA-UHFFFAOYSA-N 0.000 description 2
- 241000758706 Piperaceae Species 0.000 description 2
- PNEYBMLMFCGWSK-UHFFFAOYSA-N aluminium oxide Inorganic materials [O-2].[O-2].[O-2].[Al+3].[Al+3] PNEYBMLMFCGWSK-UHFFFAOYSA-N 0.000 description 2
- QGAVSDVURUSLQK-UHFFFAOYSA-N ammonium heptamolybdate Chemical compound N.N.N.N.N.N.O.O.O.O.O.O.O.O.O.O.O.O.O.O.O.O.O.O.O.O.O.O.O.O.[Mo].[Mo].[Mo].[Mo].[Mo].[Mo].[Mo] QGAVSDVURUSLQK-UHFFFAOYSA-N 0.000 description 2
- BFNBIHQBYMNNAN-UHFFFAOYSA-N ammonium sulfate Chemical compound N.N.OS(O)(=O)=O BFNBIHQBYMNNAN-UHFFFAOYSA-N 0.000 description 2
- 229910052921 ammonium sulfate Inorganic materials 0.000 description 2
- 235000011130 ammonium sulphate Nutrition 0.000 description 2
- 230000001580 bacterial effect Effects 0.000 description 2
- 230000008901 benefit Effects 0.000 description 2
- KGBXLFKZBHKPEV-UHFFFAOYSA-N boric acid Chemical compound OB(O)O KGBXLFKZBHKPEV-UHFFFAOYSA-N 0.000 description 2
- 239000004327 boric acid Substances 0.000 description 2
- 235000013877 carbamide Nutrition 0.000 description 2
- 239000000428 dust Substances 0.000 description 2
- JEIPFZHSYJVQDO-UHFFFAOYSA-N iron(III) oxide Inorganic materials O=[Fe]O[Fe]=O JEIPFZHSYJVQDO-UHFFFAOYSA-N 0.000 description 2
- 238000009335 monocropping Methods 0.000 description 2
- 235000015097 nutrients Nutrition 0.000 description 2
- OTYBMLCTZGSZBG-UHFFFAOYSA-L potassium sulfate Chemical compound [K+].[K+].[O-]S([O-])(=O)=O OTYBMLCTZGSZBG-UHFFFAOYSA-L 0.000 description 2
- 238000012545 processing Methods 0.000 description 2
- 238000000746 purification Methods 0.000 description 2
- 239000002881 soil fertilizer Substances 0.000 description 2
- 239000005995 Aluminium silicate Substances 0.000 description 1
- OYPRJOBELJOOCE-UHFFFAOYSA-N Calcium Chemical compound [Ca] OYPRJOBELJOOCE-UHFFFAOYSA-N 0.000 description 1
- 229910052684 Cerium Inorganic materials 0.000 description 1
- JLVVSXFLKOJNIY-UHFFFAOYSA-N Magnesium ion Chemical compound [Mg+2] JLVVSXFLKOJNIY-UHFFFAOYSA-N 0.000 description 1
- 241000499917 Milla Species 0.000 description 1
- OAICVXFJPJFONN-UHFFFAOYSA-N Phosphorus Chemical compound [P] OAICVXFJPJFONN-UHFFFAOYSA-N 0.000 description 1
- ZLMJMSJWJFRBEC-UHFFFAOYSA-N Potassium Chemical compound [K] ZLMJMSJWJFRBEC-UHFFFAOYSA-N 0.000 description 1
- 206010042496 Sunburn Diseases 0.000 description 1
- 239000000654 additive Substances 0.000 description 1
- 230000000996 additive effect Effects 0.000 description 1
- 235000012211 aluminium silicate Nutrition 0.000 description 1
- 238000000498 ball milling Methods 0.000 description 1
- 239000000440 bentonite Substances 0.000 description 1
- 229910000278 bentonite Inorganic materials 0.000 description 1
- SVPXDRXYRYOSEX-UHFFFAOYSA-N bentoquatam Chemical compound O.O=[Si]=O.O=[Al]O[Al]=O SVPXDRXYRYOSEX-UHFFFAOYSA-N 0.000 description 1
- 239000006227 byproduct Substances 0.000 description 1
- 239000011575 calcium Substances 0.000 description 1
- 229910001424 calcium ion Inorganic materials 0.000 description 1
- ZMIGMASIKSOYAM-UHFFFAOYSA-N cerium Chemical compound [Ce][Ce][Ce][Ce][Ce][Ce][Ce][Ce][Ce][Ce][Ce][Ce][Ce][Ce][Ce][Ce][Ce][Ce][Ce][Ce][Ce][Ce][Ce][Ce][Ce][Ce][Ce][Ce][Ce][Ce][Ce][Ce][Ce][Ce][Ce][Ce][Ce][Ce] ZMIGMASIKSOYAM-UHFFFAOYSA-N 0.000 description 1
- 239000004927 clay Substances 0.000 description 1
- 239000011248 coating agent Substances 0.000 description 1
- 238000000576 coating method Methods 0.000 description 1
- 238000013270 controlled release Methods 0.000 description 1
- 238000001816 cooling Methods 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000001514 detection method Methods 0.000 description 1
- 229910001648 diaspore Inorganic materials 0.000 description 1
- 238000003912 environmental pollution Methods 0.000 description 1
- 238000002474 experimental method Methods 0.000 description 1
- 239000000945 filler Substances 0.000 description 1
- PCHJSUWPFVWCPO-UHFFFAOYSA-N gold Chemical compound [Au] PCHJSUWPFVWCPO-UHFFFAOYSA-N 0.000 description 1
- 239000010931 gold Substances 0.000 description 1
- 229910052737 gold Inorganic materials 0.000 description 1
- 238000000713 high-energy ball milling Methods 0.000 description 1
- 229910052746 lanthanum Inorganic materials 0.000 description 1
- FZLIPJUXYLNCLC-UHFFFAOYSA-N lanthanum atom Chemical compound [La] FZLIPJUXYLNCLC-UHFFFAOYSA-N 0.000 description 1
- 229910001425 magnesium ion Inorganic materials 0.000 description 1
- 230000000813 microbial effect Effects 0.000 description 1
- 125000000449 nitro group Chemical group [O-][N+](*)=O 0.000 description 1
- 229910052757 nitrogen Inorganic materials 0.000 description 1
- 235000016709 nutrition Nutrition 0.000 description 1
- 230000035764 nutrition Effects 0.000 description 1
- 239000000575 pesticide Substances 0.000 description 1
- 239000011574 phosphorus Substances 0.000 description 1
- 229910052698 phosphorus Inorganic materials 0.000 description 1
- 239000011591 potassium Substances 0.000 description 1
- 229910052700 potassium Inorganic materials 0.000 description 1
- 229910052761 rare earth metal Inorganic materials 0.000 description 1
- 238000011160 research Methods 0.000 description 1
- 238000000926 separation method Methods 0.000 description 1
- 238000007873 sieving Methods 0.000 description 1
- 239000002699 waste material Substances 0.000 description 1
Classifications
-
- C—CHEMISTRY; METALLURGY
- C05—FERTILISERS; MANUFACTURE THEREOF
- C05D—INORGANIC FERTILISERS NOT COVERED BY SUBCLASSES C05B, C05C; FERTILISERS PRODUCING CARBON DIOXIDE
- C05D9/00—Other inorganic fertilisers
-
- 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
-
- 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
- Y02A—TECHNOLOGIES FOR ADAPTATION TO CLIMATE CHANGE
- Y02A40/00—Adaptation technologies in agriculture, forestry, livestock or agroalimentary production
- Y02A40/10—Adaptation technologies in agriculture, forestry, livestock or agroalimentary production in agriculture
- Y02A40/20—Fertilizers of biological origin, e.g. guano or fertilizers made from animal corpses
Landscapes
- Chemical & Material Sciences (AREA)
- Life Sciences & Earth Sciences (AREA)
- Organic Chemistry (AREA)
- Soil Sciences (AREA)
- Pest Control & Pesticides (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Inorganic Chemistry (AREA)
- Fertilizers (AREA)
Abstract
The invention relates to nanometer mineral powder, a preparation method and application thereof in preparing fertilizer, which effectively solve the problems of how to prepare natural mineral nanometer materials which can be comprehensively utilized and have low cost, and realize soil restoration improvement, no pollution and environmental protection when being applied in preparing fertilizer, and are prepared from ore raw materials of kaolinite, illite, pyrophyllite and bauxite; the preparation method comprises the following specific steps: crushing treatment; a flotation impurity removal stage; a drying and grinding stage; the mineral raw materials used in the invention have wide sources and lower cost, and after being treated by the preparation method, no harmful substances are generated, so that the preparation method is environment-friendly and environment-friendly, the prepared nano mineral powder has high activity, is favorable for being absorbed by plant root systems in soil, improves the using effect of the fertilizer, and has the function of supplementing beneficial mineral elements of the soil and repairing the soil.
Description
Technical Field
The invention relates to nano mineral powder, a preparation method and application thereof in preparing fertilizer.
Background
The total cultivated land area of China is basically fixed, on the premise that the planting area is not increased, the grain yield can be improved in a limited way by increasing the fertilizer consumption in a certain range, however, excessive application of fertilizer can damage an ecological system, the double pressure of current grain safety and resource environment is faced, green agricultural development needs to be emphasized, pesticide and fertilizer zero-growth actions are advanced deeply, and the fertilizer development of China needs to be centered on the improvement of the fertilizer utilization rate, the consumption of resources and energy sources is reduced as much as possible, the environmental pollution is as light as much as possible and the nutrient utilization rate is as high as possible. Therefore, the soil restoration and improvement is necessary, various fertilizers with various effects on soil restoration and improvement are available on the market at present, organic matters and microbial technology are added on the basis of the existing fertilizers, although minerals are applied to the fertilizers and are used as fertilizer fillers only, the requirements on the minerals are low, coarse-grain clay, bentonite, kaolin and the like are mostly adopted, the purpose of supplementing mineral elements required by crops cannot be achieved, and the concept of nano-fertilizers is first proposed by the institute of soil fertilizer research Zhang Fudao of China national academy of agricultural science, and the nano-fertilizers are characterized in that: the fertilizer nutrient and the composite component reach the nanoscale standard, however, the currently reported fertilizer nano mineral additive material only grinds minerals and does not purify beneficial elements in the materials, so that the phenomena of high content of useless elements in the materials, poor using effect and the like are caused, meanwhile, the currently reported production cost for preparing nano minerals is high, the problems of large dust, waste emission and the like exist in the production process, the problems restrict the development of the current nano fertilizer, and the current nano fertilizer has higher price and high preparation cost and limits the large-scale popularization and application of the current nano fertilizer, so that the development of the natural mineral nano material with comprehensive utilization and low cost becomes the key of the development of future nano materials.
Disclosure of Invention
Aiming at the situation, the invention aims to overcome the defects of the prior art, and aims to provide the nano mineral powder, the preparation method and the application thereof in preparing fertilizer, which can effectively solve the problems of how to prepare the natural mineral nano material which can be comprehensively utilized and has low cost, and can be applied in preparing fertilizer, thereby realizing soil restoration improvement, no pollution and environmental protection.
The technical scheme of the invention is that the nano mineral powder is prepared from 40-50 parts by weight of kaolinite, 40-50 parts by weight of illite, 40-50 parts by weight of pyrophyllite and 50-70 parts by weight of bauxite serving as ore raw materials; wherein the total content of silicon dioxide in the ore raw material is 20-25%, and the total content of titanium dioxide is 1-1.4%;
the bauxite is one or the combination of any two or three of bauxite, bauxite and high bauxite.
The preparation method of the nano mineral powder comprises the following specific steps:
crushing treatment: feeding kaolinite, illite, pyrophyllite and bauxite into a crusher to crush into ore particles of 2-3 cm;
and (3) a flotation impurity removal stage: to the ore particles, 3 cubic water was added per ton of ore feedAdding water to prepare raw ore pulp, adding the raw ore pulp into grinding equipment (such as a ball mill), grinding the raw ore pulp until the ore particle size is less than 37 mu m, wherein the ore particle size accounts for 85% of the total mass of the raw ore pulp, obtaining primary ore pulp, adjusting the pH value of the primary ore pulp to be 7-12, conveying the primary ore pulp into a cyclone, separating the primary ore pulp under the pressure of 0.3MPa, enabling ore liquid with the particle size of less than 37 mu m to flow out of an upper overflow port of the cyclone to obtain an overflow A, enabling the rest of the overflow A to flow out of a bottom flow port and be an underflow A, returning the underflow A to the grinding equipment (the solid-liquid ratio in the grinding equipment is 1:3, wherein the solid unit is ton, and the liquid unit is cube), adding water into the overflow A to prepare secondary ore pulp with the solid content of 20-40%, adding a collector into the secondary ore pulp according to the amount of 800-2000g of the collector added per ton of ore raw material, and adjusting the pH value to be 7-12; the collector is any one or a combination of more of fatty acid, sodium fatty acid and sodium hexametaphosphate; the fatty acid is oleic acid (oleic acid with the content of 85 percent) or sodium oleate (sodium oleate with the content of 85 percent); introducing air into the secondary ore pulp according to the amount of 0.3 cubic air introduced into each ton of ore raw material, and simultaneously introducing the air into a flotation tank at 15-60 ℃ and the flow rate of 50-150m 3 Floating under the condition of/H to obtain a foam product overflow B and an underflow B, wherein the foam product overflow B is multi-scale mixture mixed pulp, and is discharged out of the system, and a flocculating agent is added into the underflow B, and the flocculating agent is anionic polyacrylamide (molecular formula (C3H 5 NO) n, and the molecular weight is 600-800 ten thousand anionic polyacrylamide); adding flocculant into the underflow B according to the weight of one ten per ton to three ten per ton of ore raw materials, simultaneously entering a settling tank, separating at the temperature of 15-60 ℃ and the flow rate of 30t/h to obtain overflow C and underflow C (the mass concentration of the underflow C is 30% -50%), recycling the overflow C in a clean water tank, and pressing the underflow C under the pressure of 0.8MPa (the equipment for pressing and separating is a membrane filter press) to obtain a primary ore cake A with the water content of 20% -30%;
and (3) a drying and grinding stage: drying the primary ore cake A at 800-1500 ℃ until the water content of the primary ore cake A is 6-10%, and then grinding the dried primary ore cake A by a dry method (the equipment for dry grinding is a Raymond mill) to obtain finished ore powder, wherein the average thickness of the finished ore powder is 51.4nm, namely nano ore powder (also called nano natural ore powder, hereinafter referred to as nano natural ore powder);
the invention also aims at providing the application of the nano mineral powder in preparing fertilizer.
The invention also aims to provide the application of the nano mineral powder in preparing the soil restoration type compound fertilizer.
A soil restoration type compound fertilizer for wheat and corn comprises the nano mineral powder.
The soil restoration type compound fertilizer for peanuts and garlic comprises the nano mineral powder.
The soil restoration type compound fertilizer for the solanaceous fruits comprises the nano mineral powder.
The method has the advantages that the source of the ore raw materials used in the method is wide, the cost is low, the selectable range is wide, the cost caused by primary processing is reduced, no harmful substances are generated after the method is used for processing, the method is environment-friendly and environment-friendly, the prepared nano mineral powder has high activity and is favorable for being absorbed by plant root systems in soil, the using effect of the fertilizer is improved, the specific natural ore is used as the raw material, the natural ore is prepared into the nano raw material through the high-energy ball milling technology, and meanwhile, the beneficial elements in the natural ore are purified through the floatation purification technology, so that the method has the function of supplementing the beneficial mineral elements of the soil and restoring the soil.
Detailed Description
The following describes specific embodiments of the present invention in detail with reference to examples.
Example 1
The nanometer mineral powder is prepared from 40 parts of kaolinite, 40 parts of illite, 40 parts of pyrophyllite and 50 parts of laterite serving as ore raw materials in parts by weight; wherein the total content of silicon dioxide in the ore raw material is 20 percent, and the total content of titanium dioxide is 1 percent.
Example 2
The nanometer mineral powder is prepared from 50 parts by weight of kaolinite, 50 parts by weight of illite, 50 parts by weight of pyrophyllite and 70 parts by weight of bauxite serving as ore raw materials; wherein the total content of silicon dioxide in the ore raw material is 22 percent, and the total content of titanium dioxide is 1.2 percent.
Example 3
The nanometer mineral powder is prepared from 45 parts of kaolinite, 45 parts of illite, 45 parts of pyrophyllite and 60 parts of bauxite serving as ore raw materials in parts by weight; wherein the total content of silicon dioxide in the ore raw material is 24 percent, and the total content of titanium dioxide is 1.3 percent.
Example 4
The nanometer mineral powder is prepared from 40 parts of kaolinite, 40 parts of illite, 50 parts of pyrophyllite, 35 parts of bauxite and 35 parts of bauxite serving as ore raw materials in parts by weight; wherein the total content of silicon dioxide in the ore raw material is 25 percent, and the total content of titanium dioxide is 1.1 percent.
Example 5
The nanometer mineral powder is prepared from 45 parts of kaolinite, 50 parts of illite, 45 parts of pyrophyllite, 10 parts of bauxite, 20 parts of bauxite and 20 parts of high bauxite serving as ore raw materials in parts by weight; wherein the total content of silicon dioxide in the ore raw material is 23 percent, and the total content of titanium dioxide is 1.4 percent.
Example 6
The preparation method of the nano mineral powder in the above embodiments 1 to 5 comprises the following specific steps:
crushing treatment: feeding kaolinite, illite, pyrophyllite and bauxite into a crusher to crush into ore particles of 2-3 cm;
and (3) a flotation impurity removal stage: adding water into ore particles according to the amount of adding 3 cubic meters of water into each ton of ore raw material to prepare raw ore pulp, adding the raw ore pulp into a ball mill, grinding the raw ore pulp until the ore particle size smaller than 37 mu m accounts for 85% of the total mass of the raw ore pulp to obtain primary ore pulp, adjusting the pH value of the primary ore pulp to 7, conveying the primary ore pulp into a cyclone, separating the primary ore pulp under the pressure of 0.3MPa, enabling ore liquid with the particle size smaller than 37 mu m to flow out of an overflow port at the upper part of the cyclone to obtain an overflow object A, enabling the rest of the overflow liquid to flow out of a bottom flow port to form an underflow object A, returning the underflow object A into the ball mill again, and fixing solids in the ball millThe liquid ratio is 1:3, wherein the solid unit is ton, the liquid unit is cube, the overflow A is added with water to prepare secondary ore pulp with the solid content of 20%, and oleic acid is added into the secondary ore pulp according to the amount of adding 800g of collector into each ton of ore raw material; adjusting the pH value to 7; introducing air into the secondary ore pulp according to the amount of 0.3 cubic air introduced into each ton of ore raw material, and simultaneously introducing the air into a flotation tank at 15 ℃ at a flow rate of 50m 3 Flotation under the condition of/h to obtain foam product overflow B and underflow B, wherein the foam product overflow B is discharged from the system; adding anionic polyacrylamide into the underflow B, wherein the anionic polyacrylamide is of which the molecular weight is 600-800 ten thousand; adding anionic polyacrylamide into the underflow B according to the weight of one ten thousandth of each ton of ore raw materials, simultaneously entering a settling tank, and separating under the conditions of the temperature of 15 ℃ and the flow speed of 30t/h to obtain an overflow C and an underflow C, wherein the mass concentration of the underflow C is 30%, the overflow C enters a clean water tank for recycling, the underflow C enters a membrane filter press, and the filter press is carried out under the condition of the pressure of 0.8MPa to obtain a primary ore cake A with the water content of 20%;
and (3) a drying and grinding stage: and (3) drying the primary ore cake A at 800 ℃ until the water content of the primary ore cake A is 6%, grinding the dried primary ore cake A by a Raymond mill to obtain finished ore powder, wherein the average thickness of the finished ore powder is 51.4nm, and the finished ore powder is nano ore powder.
Example 7
The preparation method of the nano mineral powder in the above embodiments 1 to 5 comprises the following specific steps:
crushing treatment: feeding kaolinite, illite, pyrophyllite and bauxite into a crusher to crush into ore particles of 2-3 cm;
and (3) a flotation impurity removal stage: adding water into ore particles according to the amount of adding 3 cubic meters of water into each ton of ore raw material to prepare raw ore pulp, adding the raw ore pulp into a ball mill, grinding the raw ore pulp until the ore particle size is less than 37 mu m and accounts for 85 percent of the total mass of the raw ore pulp to obtain primary ore pulp, adjusting the pH value of the primary ore pulp to be 12, then conveying the primary ore pulp into a cyclone, separating the primary ore pulp under the pressure of 0.3MPa, and flowing out ore liquid with the particle size of less than 37 mu m from an upper overflow port of the cyclone to obtain an overflow AThe rest flows out from the underflow opening and is an underflow A, the underflow A is returned to the ball mill again (the solid-liquid ratio in the ball mill is 1:3, the solid unit is ton, the liquid unit is cube), the overflow A is added with water to prepare a secondary ore pulp with the solid content of 40%, sodium oleate is added into the secondary ore pulp according to the amount of 2000g of collector added into each ton of ore raw material, and the pH value is adjusted to be 12; introducing air into the secondary ore pulp according to the amount of 0.3 cubic air introduced into each ton of ore raw material, and simultaneously introducing the air into a flotation tank at 60 ℃ and a flow rate of 150m 3 Floating under the condition of/h to obtain a foam product overflow B and an underflow B, wherein the foam product overflow B is discharged out of the system, and anionic polyacrylamide with the molecular weight of 600-800 ten thousand is added into the underflow B; adding anionic polyacrylamide into the underflow B according to the weight of three parts per million of ore raw materials, simultaneously entering a settling tank, separating at the temperature of 60 ℃ and the flow rate of 30t/h to obtain an overflow C and an underflow C (the mass concentration of the underflow C is 50%), recycling the overflow C in a clean water tank, pressing the underflow C under the pressure of 0.8MPa to obtain a primary ore cake A with the water content of 30%;
and (3) a drying and grinding stage: and (3) drying the primary ore cake A at 1500 ℃ until the water content of the primary ore cake A is 10%, and then carrying out dry grinding on the dried primary ore cake A by a Raymond mill to obtain finished ore powder, wherein the average thickness of the finished ore powder is 51.4nm, and the finished ore powder is nano ore powder.
Example 8
The preparation method of the nano mineral powder in the above embodiments 1 to 5 comprises the following specific steps:
crushing treatment: feeding kaolinite, illite, pyrophyllite and bauxite into a crusher to crush into ore particles of 2-3 cm;
and (3) a flotation impurity removal stage: adding water into ore particles according to the amount of adding 3 cubic meters of water into each ton of ore raw material, preparing raw ore pulp, putting into a ball mill, grinding until the ore particle size smaller than 37 mu m accounts for 85% of the total mass of the raw ore pulp to obtain primary ore pulp, adjusting the pH value of the primary ore pulp to be 10, and conveying into a ball millA cyclone, separating under the pressure of 0.3MPa, wherein ore liquid with the particle size smaller than 37 mu m flows out from an upper overflow port of the cyclone to obtain an overflow A, and the rest flows out from a bottom flow port to obtain an underflow A, wherein the underflow A returns to a ball mill again (the solid-to-liquid ratio in the ball mill is 1:3, the solid unit is ton, and the liquid unit is cube), the overflow A is added with water to prepare a secondary ore pulp with the solid content of 30%, and sodium fatty acid or 700g of sodium fatty acid and 700g of sodium hexametaphosphate are added into the secondary ore pulp according to the amount of 1400g of collector added into each ton of ore raw material, and the pH value is adjusted to 9; introducing air into the secondary ore pulp according to the amount of 0.3 cubic air introduced into each ton of ore raw material, and simultaneously introducing the air into a flotation tank at 30 ℃ at a flow rate of 100m 3 Floating under the condition of/h to obtain a foam product overflow B and an underflow B, wherein the foam product overflow B is discharged out of the system, and the underflow B is added with anionic polyacrylamide, and the anionic polyacrylamide has the molecular weight of 600-800 ten thousand; adding anionic polyacrylamide into the underflow B according to the amount of two ten thousandths of each ton of ore raw material, simultaneously entering a settling tank, and separating under the conditions of the temperature of 40 ℃ and the flow rate of 30t/h to obtain an overflow C and an underflow C (the mass concentration of the underflow C is 40%), wherein the overflow C enters a clean water tank for recycling, the underflow C enters a membrane filter press, and the pressure of is carried out under the condition of the pressure of 0.8MPa to obtain a primary ore cake A with the water content of 25%;
and (3) a drying and grinding stage: and (3) drying the primary ore cake A at 1000 ℃ until the water content of the primary ore cake A is 8%, and then carrying out dry grinding on the dried primary ore cake A by a Raymond mill to obtain finished ore powder, wherein the average thickness of the finished ore powder is 51.4nm, and the finished ore powder is nano ore powder.
The detection shows that the finished mineral powder has 30-39% of silicon dioxide, 1.8-2% of titanium dioxide, 0.8-1% of calcium and magnesium ions, 150-200ppm of rare earth elements (lanthanum and cerium) and 51.4nm of average thickness of nano mineral powder (1-100 nm is called as nano material); the foam product overflow B produced in the preparation method is multi-scale mixture impurity pulp, is a raw material for producing alumina, and mainly comprises diaspore, and can be recovered by an alumina plant after separation, so that the environment is not polluted.
The application of the nano mineral powder in the preparation of fertilizer is described in the embodiments 1-8;
the application of the nano mineral powder in the preparation of the soil restoration type compound fertilizer is described in the embodiments 1-8;
a soil restoration type compound fertilizer for wheat and corn comprises the following components in parts by weight: 20 parts of nano mineral powder, 34.5 parts of urea, 8.4 parts of potassium chloride and 37.1 parts of ammonium chloride are used as raw materials to prepare the composite fertilizer, the nano mineral powder, the urea, the potassium chloride and the ammonium chloride are uniformly mixed, and then the composite fertilizer is granulated, dried, cooled, sieved and coated by a conventional method to obtain the composite fertilizer (N-P) for wheat and corn soil restoration with 30 percent of nutrient content 2 O 5 -K 2 O 25-0-5cl)。
A soil restoration type compound fertilizer for peanuts and garlic comprises the following components in parts by weight: 30 parts of nano mineral powder, 23 parts of urea, 12 parts of monoammonium phosphate (total nutrient content 55%), 15 parts of potassium chloride, 10 parts of ammonium chloride, 0.06 part of ammonium heptamolybdate and boric acid (H) 3 BO 3 More than or equal to 99.5 percent) and 0.14 part of the fertilizer is used as raw materials, nano mineral powder, urea, monoammonium phosphate, potassium chloride, ammonium heptamolybdate and boric acid are uniformly mixed, then the mixture is put into a roller granulation device, and the mixture is granulated, dried, cooled, sieved and coated according to the conventional method, thus obtaining the soil restoration type compound fertilizer (N-P) for peanuts and garlic, wherein the nutrient content of the soil restoration type compound fertilizer is 30 percent 2 O 5 -K 2 O 16-5-9cl)。
A soil restoration type compound fertilizer for solanaceous fruits comprises the following components in parts by weight: 30 parts of nano mineral powder, 9 parts of urea, 21.5 parts of monoammonium phosphate, 19.5 parts of ammonium sulfate and potassium sulfate (K) 2 20 parts of O more than or equal to 60.0 percent) is used as raw materials, nano mineral powder, urea, monoammonium phosphate, ammonium sulfate and potassium sulfate are uniformly mixed, then the mixture enters roller granulation equipment, and granulation, drying, cooling, sieving and coating are carried out according to a conventional method, thus obtaining the soil remediation type compound fertilizer (N-P) for solanaceous fruits with 30 percent of nutrient content 2 O 5 -K 2 O 10-10-10S)。
In order to further illustrate the application value of the nano mineral powder prepared by the invention in the fertilizer, the application selects test fields on corn, peanut and capsicum respectively for experiments, and the results are as follows:
A. a test field with serious salinization of the soil in a yellow flood area is specially selected, wherein, one half of the test field only uses common fertilizer 28-5-5 (cl) (such as nitro controlled release fertilizer 28-5-5) as a control group during the corn planting period, and the other half uses the wheat and corn soil restoration type compound fertilizer (N-P) with 30 percent of nutrient content during the corn planting period 2 O 5 -K 2 O25-0-5 cl) as experimental group, corn disease occurrence and yield were sampled and investigated during planting, and corn yield statistics were combined as follows:
| control group | Experimental group | |
| Pre-planting soil EC 1:5 (ds/m) | 1.32 | 1.32 |
| Post-harvest soil EC 1:5 (ds/m) | 1.30 | 0.98 |
| Pre-planting soil PH | 7.8 | 7.8 |
| Post-harvest soil pH | 7.7 | 7.4 |
| Rust disease (%) | 34.7 | 8.3 |
| Length of bald tip (cm) | 1.88 | 1.42 |
| Corn hundred grain weight (g) | 27.34 | 35.94 |
| Corn yield (kg/mu) | 559.6 | 723.2 |
| Fertilizer per mu (kg/mu) | 40 | 40 |
| Fertilizer cost (Yuan/mu) | 140 | 150 |
| Corn sales income (Yuan/mu) | 1343 | 1735.7 |
From the data, it can be seen that the wheat and corn soil restoration compound fertilizer (N-P) with 30% nutrient content is used for planting corn 2 O 5 -K 2 O25-0-5 cl), the EC value of the soil is obviously reduced, the pH value of the soil is improved, and the incidence rate of corn rust is greatly reducedMeanwhile, the length of the bald tip of the corn is obviously reduced, the hundred-grain weight is obviously improved, the yield of the corn is finally greatly improved, the improvement effect on salinized soil for planting the corn is obvious, the fertilizer input per mu is more than 10 yuan, the yield is increased by 163.6 kg, the yield per kg of the corn is 2.4 yuan, and the yield per mu is improved by 382.6 yuan.
B. Specially selects a peanut test field with middle continuous sitting disorder in a standing-horse shop area for five years, wherein one half of the peanut test field is planted with common fertilizer 18-10-12 (cl) (such as kenfeng compound fertilizer 18-10-12) as a control group during peanut planting, and the other half of the peanut test field is planted with the soil restoration compound fertilizer (N-P) for peanuts and garlic, wherein the nutrient content of the soil restoration compound fertilizer is 30 percent during peanut planting 2 O 5 -K 2 O16-5-9 cl) was used as an experimental group, and the occurrence rate of peanut diseases was sampled and investigated during the planting period, and the peanut yield was counted as follows:
| control group | Experimental group | |
| Pre-planting soil EC 1:5 (ds/m) | 0.89 | 0.89 |
| Post-harvest soil EC 1:5 (ds/m) | 0.87 | 0.65 |
| Pre-planting soil PH | 5.3 | 5.3 |
| Post-harvest soil pH | 5.2 | 6.4 |
| Incidence of root rot (%) | 10.3 | 1.2 |
| Incidence of southern blight (%) | 15.4 | 2.3 |
| Peanut yield (kg/mu) | 481.28 | 528 |
| Fertilizer per mu (kg/mu) | 40 | 40 |
| Fertilizer cost (Yuan/mu) | 150 | 160 |
| Peanut sales income (Yuan/mu) | 2887.7 | 3168 |
From the above data, it can be seen that the soil restoration type compound fertilizer (N-P) for peanuts and garlic, which has a nutrient content of 30%, is used for planting peanuts 2 O 5 -K 2 O16-5-9 cl), the EC value and the pH value of the soil are obviously improved, the soil-borne diseases of the peanuts are greatly reduced, andthe yield of the peanuts is greatly improved, the continuous cropping obstacle soil for planting the peanuts has a remarkable improvement effect, the fertilizer is added for 10 yuan per mu, the yield is increased by 46.7 kg, the yield is increased by 6 yuan per kg, and the yield is increased by 270.2 yuan per mu.
C. Specially selects a block of pepper test field with moderate continuous sitting disorder for four years in a complex river region, wherein, half of the pepper test field is used only with common fertilizer 15-10-15S (such as potassium sulfate compound fertilizer 15-10-15-sea shoe-shaped gold ingot-middle farmer) as a control group during the pepper planting period, and the other half is used with the soil restoration compound fertilizer (N-P) for solanaceous fruits with 30 percent nutrient content during the pepper planting period 2 O 5 -K 2 O10-10-10S) as an experimental group, the incidence of pepper disease was sampled and investigated during planting, and the following was calculated in combination with the pepper yield:
| control group | Experimental group | |
| Pre-planting soil EC 1:5 (ds/m) | 0.74 | 0.74 |
| Post-harvest soil EC 1:5 (ds/m) | 0.75 | 0.59 |
| Pre-planting soil PH | 5.5 | 5.5 |
| Post-harvest soil pH | 5.4 | 6.6 |
| Incidence of bacterial wilt (%) | 23.7 | 4.3 |
| Incidence of sunscald (%) | 7.8 | 3.7 |
| Pepper yield (kg/mu) | 344.6 | 409.7 |
| Fertilizer per mu (kg/mu) | 60 | 60 |
| Fertilizer cost (Yuan/mu) | 192 | 216 |
| Pepper sales income (Yuan/mu) | 6202.8 | 7374.6 |
From the data, the invention can be seen that the pepper uses the soil restoration type compound fertilizer (N-P 2 O 5 -K 2 O10-10-10S), the EC value and the ph of the soil are obviously improved, the bacterial wilt of the capsicum soil-borne disease is obviously reduced, the occurrence of sunburn is also greatly reduced, and finally the capsicum yield is obviously improvedThe amount of the fertilizer has obvious improvement effect on continuous cropping obstacle soil for planting the peppers, the fertilizer is added for more than 24 yuan per mu, the yield is increased by 65.1 kg, 18 yuan per kg of the peppers, the yield is increased by 1147.8 yuan per mu, and the benefit increasing effect is obvious.
The natural nano mineral preparation method adopted by the invention is a wet ball milling technology, has no dust pollution, has a flotation purification process, greatly improves the content of beneficial elements, has obvious use effect, can be sold to related companies as byproducts (foam product overflow B) through the test, achieves no external pollution discharge in the overall production process under the condition of increasing income, is environment-friendly, has low comprehensive production cost, further reduces the production cost of nano fertilizer, and provides preconditions for large-area popularization and application of the nano fertilizer.
The invention uses the combination of nano natural mineral powder and nitrogen, phosphorus and potassium fertilizer, replaces some raw materials produced by artificial chemistry with natural nutrition, and realizes the purposes of simulating nature, restoring nature and returning nature, and returning the cultivated land soil to better ecological nature, thereby better achieving the purpose of soil restoration. The soil fertilizer is one, and nano natural mineral powder is added into the fertilizer, so that on one hand, the support for sustainable development of agriculture is provided, on the other hand, the soil fertilizer is a new opportunity for fertilizer industry, and the current trend of fertilizer development in China is met. Through cost accounting, the cost of each 1 ton of nano mineral powder prepared by the method is about 300 yuan, the cost of each 1 ton of common nano mineral powder prepared by the prior art is about 900 yuan, and the ore raw materials used by the method do not need to be refined, are easy to purchase, and greatly reduce the cost of raw materials.
Claims (9)
1. The nanometer mineral powder is characterized by being prepared from 40-50 parts of kaolinite, 40-50 parts of illite, 40-50 parts of pyrophyllite and 50-70 parts of bauxite serving as ore raw materials in parts by weight; the bauxite is any one or any two or three of bauxite, bauxite and high bauxite; the method comprises the following specific steps:
crushing treatment: feeding kaolinite, illite, pyrophyllite and bauxite into a crusher to crush into ore particles of 2-3 cm;
and (3) a flotation impurity removal stage: adding water into ore particles according to the amount of adding 3 cubic meters of water into each ton of ore raw materials to prepare raw ore pulp, adding the raw ore pulp into grinding equipment, grinding the raw ore pulp until the ore particle size is less than 37 mu m and accounts for 85% of the total mass of the raw ore pulp to obtain primary ore pulp, adjusting the pH value of the primary ore pulp to 7-12, conveying the primary ore pulp into a cyclone, separating the primary ore pulp under the pressure of 0.3MPa, enabling ore liquid with the particle size of less than 37 mu m to flow out from an upper overflow port of the cyclone to obtain an overflow A, and enabling the rest of ore liquid to flow out from a bottom flow port to form an underflow A, returning the underflow A into the grinding equipment, adding water into the overflow A to prepare secondary ore pulp with the solid content of 20-40%, adding a collecting agent into the secondary ore pulp according to the amount of adding 800-2000g of the collecting agent into each ton of ore raw materials, and adjusting the pH value to 7-12; the collector is any one or a combination of more of fatty acid, sodium fatty acid and sodium hexametaphosphate; the fatty acid is oleic acid or sodium oleate; introducing air into the secondary ore pulp according to the amount of 0.3 cubic air introduced into each ton of ore raw material, and simultaneously introducing the air into a flotation tank at 15-60 ℃ and the flow rate of 50-150m 3 Floating under the condition of/h to obtain a foam product overflow B and an underflow B, wherein the foam product overflow B is discharged out of the system, and a flocculating agent is added into the underflow B, and the flocculating agent is anionic polyacrylamide; adding flocculant into the underflow B according to the weight of one ten per ton to three ten per ton of ore raw materials, simultaneously entering a settling tank, separating at the temperature of 15-60 ℃ and the flow rate of 30t/h to obtain overflow C and underflow product C, recycling the overflow C in a clean water tank, and performing filter pressing on the underflow product C under the pressure of 0.8MPa to obtain a primary ore cake A with the water content of 20-30%;
and (3) a drying and grinding stage: and (3) drying the primary ore cake A at 800-1500 ℃ until the water content of the primary ore cake A is 6-10%, and grinding the dried primary ore cake A by a dry method to obtain finished ore powder, namely nano ore powder.
2. The nano-mineral powder according to claim 1, which is prepared from 40 parts by weight of kaolinite, 40 parts by weight of illite, 40 parts by weight of pyrophyllite and 50 parts by weight of laterite as ore raw materials.
3. The nano-mineral powder according to claim 1, which is prepared from 50 parts by weight of kaolinite, 50 parts by weight of illite, 50 parts by weight of pyrophyllite and 70 parts by weight of bauxite as ore raw materials.
4. The nano-mineral powder according to claim 1, which is prepared from 45 parts by weight of kaolinite, 45 parts by weight of illite, 45 parts by weight of pyrophyllite and 60 parts by weight of bauxite as ore raw materials.
5. The nano-mineral powder according to claim 1, which is prepared from 40 parts by weight of kaolinite, 40 parts by weight of illite, 50 parts by weight of pyrophyllite, 35 parts by weight of bauxite and 35 parts by weight of bauxite as ore raw materials.
6. The nano-mineral powder according to claim 1, which is prepared from 45 parts by weight of kaolinite, 50 parts by weight of illite, 45 parts by weight of pyrophyllite, 10 parts by weight of laterite, 20 parts by weight of bauxite and 20 parts by weight of bauxite as ore raw materials.
7. Use of the nano-mineral powder according to any one of claims 1 to 6 for the preparation of a fertilizer.
8. Use of the nano-mineral powder according to any one of claims 1-6 for the preparation of a soil remediation compound fertilizer.
9. A soil-restoration type compound fertilizer for wheat and corn, which is characterized by comprising the nano-mineral powder according to any one of claims 1 to 6.
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Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1919803A (en) * | 2006-08-01 | 2007-02-28 | 左金煜 | Nano super composite fertilizer and preparation process for the same |
| CN102744146A (en) * | 2012-07-10 | 2012-10-24 | 河南东大矿业股份有限公司 | Ore-dressing method for low-grade bauxite |
| CN104725163A (en) * | 2015-03-18 | 2015-06-24 | 陈广田 | Illite compound fertilizer |
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Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1919803A (en) * | 2006-08-01 | 2007-02-28 | 左金煜 | Nano super composite fertilizer and preparation process for the same |
| CN102744146A (en) * | 2012-07-10 | 2012-10-24 | 河南东大矿业股份有限公司 | Ore-dressing method for low-grade bauxite |
| CN104725163A (en) * | 2015-03-18 | 2015-06-24 | 陈广田 | Illite compound fertilizer |
Non-Patent Citations (2)
| Title |
|---|
| 《建材及非金属矿产品》编写组编.《建材及非金属矿产品》.中国物质出版社,1988,第114-115页. * |
| 刘秀梅 等.纳米级高岭土对氮、磷、钾和有机碳的吸附及解吸特性的研究.《中国农业科学》.2005,第38卷(第1期),第102-109页. * |
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