CN101054327A - Special carbon-base slow release fertilizer for corn and preparation method thereof - Google Patents
Special carbon-base slow release fertilizer for corn and preparation method thereof Download PDFInfo
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- CN101054327A CN101054327A CNA2007100977543A CN200710097754A CN101054327A CN 101054327 A CN101054327 A CN 101054327A CN A2007100977543 A CNA2007100977543 A CN A2007100977543A CN 200710097754 A CN200710097754 A CN 200710097754A CN 101054327 A CN101054327 A CN 101054327A
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- corn
- fertilizer
- slow release
- release fertilizer
- base slow
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- 239000003337 fertilizer Substances 0.000 title claims abstract description 146
- 235000002017 Zea mays subsp mays Nutrition 0.000 title claims abstract description 142
- 240000008042 Zea mays Species 0.000 title claims abstract description 140
- 235000005824 Zea mays ssp. parviglumis Nutrition 0.000 title claims abstract description 131
- 235000005822 corn Nutrition 0.000 title claims abstract description 131
- 238000002360 preparation method Methods 0.000 title claims description 22
- 239000002245 particle Substances 0.000 claims abstract description 49
- 229910052698 phosphorus Inorganic materials 0.000 claims abstract description 25
- 229910052700 potassium Inorganic materials 0.000 claims abstract description 20
- 150000001875 compounds Chemical class 0.000 claims abstract description 17
- 229910052757 nitrogen Inorganic materials 0.000 claims abstract description 17
- 239000000843 powder Substances 0.000 claims abstract description 16
- 235000015097 nutrients Nutrition 0.000 claims abstract description 14
- 239000008187 granular material Substances 0.000 claims description 68
- 229910052799 carbon Inorganic materials 0.000 claims description 45
- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 claims description 43
- 239000011230 binding agent Substances 0.000 claims description 35
- XSQUKJJJFZCRTK-UHFFFAOYSA-N Urea Chemical compound NC(N)=O XSQUKJJJFZCRTK-UHFFFAOYSA-N 0.000 claims description 34
- IJGRMHOSHXDMSA-UHFFFAOYSA-N Atomic nitrogen Chemical compound N#N IJGRMHOSHXDMSA-UHFFFAOYSA-N 0.000 claims description 30
- 238000005469 granulation Methods 0.000 claims description 21
- 230000003179 granulation Effects 0.000 claims description 21
- ZLMJMSJWJFRBEC-UHFFFAOYSA-N Potassium Chemical compound [K] ZLMJMSJWJFRBEC-UHFFFAOYSA-N 0.000 claims description 19
- 239000004202 carbamide Substances 0.000 claims description 19
- 239000011591 potassium Substances 0.000 claims description 19
- 238000000034 method Methods 0.000 claims description 18
- ZOXJGFHDIHLPTG-UHFFFAOYSA-N Boron Chemical compound [B] ZOXJGFHDIHLPTG-UHFFFAOYSA-N 0.000 claims description 16
- 229910052796 boron Inorganic materials 0.000 claims description 16
- LFVGISIMTYGQHF-UHFFFAOYSA-N ammonium dihydrogen phosphate Chemical compound [NH4+].OP(O)([O-])=O LFVGISIMTYGQHF-UHFFFAOYSA-N 0.000 claims description 15
- 229910000387 ammonium dihydrogen phosphate Inorganic materials 0.000 claims description 15
- 235000019837 monoammonium phosphate Nutrition 0.000 claims description 15
- 239000006012 monoammonium phosphate Substances 0.000 claims description 15
- NWONKYPBYAMBJT-UHFFFAOYSA-L zinc sulfate Chemical compound [Zn+2].[O-]S([O-])(=O)=O NWONKYPBYAMBJT-UHFFFAOYSA-L 0.000 claims description 15
- 229910000368 zinc sulfate Inorganic materials 0.000 claims description 15
- 229960001763 zinc sulfate Drugs 0.000 claims description 15
- OAICVXFJPJFONN-UHFFFAOYSA-N Phosphorus Chemical compound [P] OAICVXFJPJFONN-UHFFFAOYSA-N 0.000 claims description 14
- HCHKCACWOHOZIP-UHFFFAOYSA-N Zinc Chemical compound [Zn] HCHKCACWOHOZIP-UHFFFAOYSA-N 0.000 claims description 14
- 239000011574 phosphorus Substances 0.000 claims description 14
- 239000011701 zinc Substances 0.000 claims description 14
- 229910052725 zinc Inorganic materials 0.000 claims description 14
- WCUXLLCKKVVCTQ-UHFFFAOYSA-M Potassium chloride Chemical compound [Cl-].[K+] WCUXLLCKKVVCTQ-UHFFFAOYSA-M 0.000 claims description 12
- 230000002378 acidificating effect Effects 0.000 claims description 12
- 239000000440 bentonite Substances 0.000 claims description 12
- 229910000278 bentonite Inorganic materials 0.000 claims description 12
- SVPXDRXYRYOSEX-UHFFFAOYSA-N bentoquatam Chemical compound O.O=[Si]=O.O=[Al]O[Al]=O SVPXDRXYRYOSEX-UHFFFAOYSA-N 0.000 claims description 12
- 239000004927 clay Substances 0.000 claims description 11
- 238000002156 mixing Methods 0.000 claims description 9
- 235000021049 nutrient content Nutrition 0.000 claims description 8
- 235000003891 ferrous sulphate Nutrition 0.000 claims description 7
- 239000011790 ferrous sulphate Substances 0.000 claims description 7
- BAUYGSIQEAFULO-UHFFFAOYSA-L iron(2+) sulfate (anhydrous) Chemical compound [Fe+2].[O-]S([O-])(=O)=O BAUYGSIQEAFULO-UHFFFAOYSA-L 0.000 claims description 7
- 229910000359 iron(II) sulfate Inorganic materials 0.000 claims description 7
- 229910000365 copper sulfate Inorganic materials 0.000 claims description 6
- ARUVKPQLZAKDPS-UHFFFAOYSA-L copper(II) sulfate Chemical compound [Cu+2].[O-][S+2]([O-])([O-])[O-] ARUVKPQLZAKDPS-UHFFFAOYSA-L 0.000 claims description 6
- SQQMAOCOWKFBNP-UHFFFAOYSA-L manganese(II) sulfate Chemical group [Mn+2].[O-]S([O-])(=O)=O SQQMAOCOWKFBNP-UHFFFAOYSA-L 0.000 claims description 6
- APUPEJJSWDHEBO-UHFFFAOYSA-P ammonium molybdate Chemical compound [NH4+].[NH4+].[O-][Mo]([O-])(=O)=O APUPEJJSWDHEBO-UHFFFAOYSA-P 0.000 claims description 5
- 235000018660 ammonium molybdate Nutrition 0.000 claims description 5
- 239000011609 ammonium molybdate Substances 0.000 claims description 5
- 229940010552 ammonium molybdate Drugs 0.000 claims description 5
- 239000003905 agrochemical Substances 0.000 claims description 4
- 239000000463 material Substances 0.000 abstract description 54
- 239000003610 charcoal Substances 0.000 abstract description 25
- 239000002689 soil Substances 0.000 abstract description 16
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- 238000011161 development Methods 0.000 abstract description 4
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- 239000006229 carbon black Substances 0.000 abstract description 2
- 239000003864 humus Substances 0.000 abstract 1
- 238000001179 sorption measurement Methods 0.000 abstract 1
- 238000004519 manufacturing process Methods 0.000 description 21
- 235000013877 carbamide Nutrition 0.000 description 18
- QJGQUHMNIGDVPM-UHFFFAOYSA-N nitrogen group Chemical group [N] QJGQUHMNIGDVPM-UHFFFAOYSA-N 0.000 description 18
- 239000000126 substance Substances 0.000 description 14
- 239000000047 product Substances 0.000 description 11
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 10
- 235000016383 Zea mays subsp huehuetenangensis Nutrition 0.000 description 9
- 235000009973 maize Nutrition 0.000 description 9
- 239000000618 nitrogen fertilizer Substances 0.000 description 9
- 239000002131 composite material Substances 0.000 description 8
- 239000007789 gas Substances 0.000 description 8
- 238000012856 packing Methods 0.000 description 8
- 238000012545 processing Methods 0.000 description 8
- 229910000831 Steel Inorganic materials 0.000 description 7
- QVGXLLKOCUKJST-UHFFFAOYSA-N atomic oxygen Chemical compound [O] QVGXLLKOCUKJST-UHFFFAOYSA-N 0.000 description 7
- 239000010410 layer Substances 0.000 description 7
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- 238000010298 pulverizing process Methods 0.000 description 7
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- 241000196324 Embryophyta Species 0.000 description 6
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- 238000010438 heat treatment Methods 0.000 description 6
- 238000013022 venting Methods 0.000 description 6
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- -1 compound nitrogen phosphate Chemical class 0.000 description 4
- 238000013461 design Methods 0.000 description 4
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- 210000003608 fece Anatomy 0.000 description 4
- 239000012774 insulation material Substances 0.000 description 4
- XEEYBQQBJWHFJM-UHFFFAOYSA-N iron Substances [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 description 4
- 239000010871 livestock manure Substances 0.000 description 4
- 238000012544 monitoring process Methods 0.000 description 4
- 239000002686 phosphate fertilizer Substances 0.000 description 4
- 238000013268 sustained release Methods 0.000 description 4
- 239000012730 sustained-release form Substances 0.000 description 4
- 150000003672 ureas Chemical class 0.000 description 4
- 206010002660 Anoxia Diseases 0.000 description 3
- 241000976983 Anoxia Species 0.000 description 3
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- 230000002269 spontaneous effect Effects 0.000 description 3
- 238000003756 stirring Methods 0.000 description 3
- NBIIXXVUZAFLBC-UHFFFAOYSA-N Phosphoric acid Chemical compound OP(O)(O)=O NBIIXXVUZAFLBC-UHFFFAOYSA-N 0.000 description 2
- 241000482268 Zea mays subsp. mays Species 0.000 description 2
- 230000000274 adsorptive effect Effects 0.000 description 2
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- 238000005507 spraying Methods 0.000 description 2
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- UMGDCJDMYOKAJW-UHFFFAOYSA-N thiourea Chemical compound NC(N)=S UMGDCJDMYOKAJW-UHFFFAOYSA-N 0.000 description 2
- 239000011573 trace mineral Substances 0.000 description 2
- 235000013619 trace mineral Nutrition 0.000 description 2
- 239000002699 waste material Substances 0.000 description 2
- 229910052845 zircon Inorganic materials 0.000 description 2
- GFQYVLUOOAAOGM-UHFFFAOYSA-N zirconium(iv) silicate Chemical compound [Zr+4].[O-][Si]([O-])([O-])[O-] GFQYVLUOOAAOGM-UHFFFAOYSA-N 0.000 description 2
- WURBVZBTWMNKQT-UHFFFAOYSA-N 1-(4-chlorophenoxy)-3,3-dimethyl-1-(1,2,4-triazol-1-yl)butan-2-one Chemical compound C1=NC=NN1C(C(=O)C(C)(C)C)OC1=CC=C(Cl)C=C1 WURBVZBTWMNKQT-UHFFFAOYSA-N 0.000 description 1
- QGZKDVFQNNGYKY-UHFFFAOYSA-O Ammonium Chemical compound [NH4+] QGZKDVFQNNGYKY-UHFFFAOYSA-O 0.000 description 1
- VEXZGXHMUGYJMC-UHFFFAOYSA-M Chloride anion Chemical compound [Cl-] VEXZGXHMUGYJMC-UHFFFAOYSA-M 0.000 description 1
- VYZAMTAEIAYCRO-UHFFFAOYSA-N Chromium Chemical compound [Cr] VYZAMTAEIAYCRO-UHFFFAOYSA-N 0.000 description 1
- 239000005696 Diammonium phosphate Substances 0.000 description 1
- 241001057636 Dracaena deremensis Species 0.000 description 1
- 240000007594 Oryza sativa Species 0.000 description 1
- 235000007164 Oryza sativa Nutrition 0.000 description 1
- BUGBHKTXTAQXES-UHFFFAOYSA-N Selenium Chemical compound [Se] BUGBHKTXTAQXES-UHFFFAOYSA-N 0.000 description 1
- 206010042209 Stress Diseases 0.000 description 1
- WGLPBDUCMAPZCE-UHFFFAOYSA-N Trioxochromium Chemical compound O=[Cr](=O)=O WGLPBDUCMAPZCE-UHFFFAOYSA-N 0.000 description 1
- 241000209140 Triticum Species 0.000 description 1
- 235000021307 Triticum Nutrition 0.000 description 1
- YUWBVKYVJWNVLE-UHFFFAOYSA-N [N].[P] Chemical compound [N].[P] YUWBVKYVJWNVLE-UHFFFAOYSA-N 0.000 description 1
- WZLMXYBCAZZIRQ-UHFFFAOYSA-N [N].[P].[K] Chemical compound [N].[P].[K] WZLMXYBCAZZIRQ-UHFFFAOYSA-N 0.000 description 1
- 238000010521 absorption reaction Methods 0.000 description 1
- 229910000147 aluminium phosphate Inorganic materials 0.000 description 1
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- MNNHAPBLZZVQHP-UHFFFAOYSA-N diammonium hydrogen phosphate Chemical compound [NH4+].[NH4+].OP([O-])([O-])=O MNNHAPBLZZVQHP-UHFFFAOYSA-N 0.000 description 1
- 229910000388 diammonium phosphate Inorganic materials 0.000 description 1
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Images
Classifications
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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
Landscapes
- Fertilizers (AREA)
Abstract
An environmental protection type high efficiency corn special charcoal base slow-release fertilizer of the invention is a long-action compound fertilizer using organic corn cob particle charcoal as substrate material, corn cob particle charcoal are black charcoal powder particles (carbon black) of anaerobic incomplete combustion corn cob, which has a plurality of functions similar to soil humus (acid), has very strong adsorption and nutrient and moisture reserving capacity, also can stimulate crop growth, has good slow-release performance for N, P, K, the prepared disposable slow-release fertilizer can be used for complete growth and development of corn, and has advantages of increasing fertility of farmland, improvement soil structure and high efficiency environmental protection, has wide application prospect.
Description
Technical field
The present invention relates to the fertilizer preparation field, particularly a kind of special carbon-base slow release fertilizer for corn and preparation method thereof.
Background technology
Corn is one of the whole world three big staple food crops, and sown area and ultimate production are only second to paddy rice and wheat occupies the 3rd.Corn is not only food crop, and is economy and feed dual-purpose crop, also is the important source material of hundreds of valuable Industrial products.In national economy and social development, Maize Production is occupied extremely important status.
In Maize Production, fertilising is the important measures of guaranteeing yield and quality.Usually in Maize Production, adopt repeatedly fertilising, comprise base manure, seed manure and topdress etc., could guarantee maize yield and quality.In recent years, because corn price is lower, profit is less, and in order to save production cost, on the Maize Production fertilizing management, too much labour is reluctant to drop in peasant household.Add that the corn planting district mostly is the arid and semi-arid lands, be subjected to the influence of water resources and water supply, the special-purpose fertile plant recovery of nutrient of conventional corn is very low, not only waste resource, and environmental pollution is heavier, more and more the needs of incompatibility Maize Production development.Adopt the long-acting or slow special release fertilizer single-dose application of corn more and more to be subjected to peasant's welcome.
Present slow release fertilizer both domestic and external generally all is to reach the purpose that prolongs fertilizer efficiency by physical methods such as coating, parcel, packing, coatings, as the coated fertilizer of bag Thio Urea, polymer coated fertilizer, fertilizer bag fertilizer, coated fertilizer and with instantly-soluble fertilizer and rubber latex, the mixing formed Wrapped fertilizer of agriculture and industry waste etc.The slow controlled-release technology that also has employing physics and biochemical method to combine is produced slow release fertilizer.The general cost of these fertilizer is higher, and seldom possesses hole and adsorptive power, and more not having increases soil fertility, improves characteristics such as Soil structure.
The environment-friendly highly efficient special carbon-base slow release fertilizer for corn of the present invention's exploitation, it is the durable composite fertilizer that is substrate material with organic corn cob granule charcoal, corn cob granule carbon is that corn cob is disliked oxygen unburnt black powdered carbon particle (carbon black), has similar agron multiple functions such as (acid), its absorption and keep nutrient and moisture very capable, can also stimulate plant growth, sustained release performance to nitrogen phosphorus potassium is good, Zhi Bei slow-release fertilizer applied once can utilize for corn the time of infertility thus, and has an increase soil fertility, improve characteristics such as Soil structure and high-efficiency environment friendly, have a extensive future.
What the present invention developed is that a kind of price is relatively reasonable, the fertilizer nutrient slow-releasing is better, have water conservation and heat function, promote plant growth, have and improve the soil, the function of culture fertility, and meet the special-purpose carbon-base slow release compound manure of environment-friendly type disposable corn of dry land farming environment, to adapt to the needs of Maize Production.
Summary of the invention
The objective of the invention is the corn cob granule carbon particle is used to prepare special carbon-base slow release fertilizer for corn.
Another object of the present invention provides a kind of special carbon-base slow release fertilizer for corn, it is characterized in that wherein comprising the corn cob granule carbon particle, wherein also can further comprise one or more of granular urea, monoammonium phosphate powder and zinc sulfate, wherein also can further comprise one or more of Repone K and boron fertilizer.Described special carbon-base slow release fertilizer for corn also further comprises binding agent, and described binding agent is Acidic Bentonite or clay.
Another object of the present invention provides the special carbon-base slow release fertilizer for corn of producing as sustained-release matrix with the corn cob granule carbon particle, comprises as the corn dedicated port fertile or/and disposable base fertilizer.The two can compounding application, also can use separately.
Another object of the present invention provides the preparation technology of above-mentioned special carbon-base slow release fertilizer for corn.With corn cob granule carbon particle and agrochemical mixing granulation, the preparation special carbon-base slow release fertilizer for corn.
Described agrochemical is selected from one or more of urea (preferred granular urea), diammonium phosphate or monoammonium phosphate (preferably phosphoric acid one ammonium), Repone K, zinc sulfate, boron fertilizer.
Utilize the many micropores of corn cob granule charcoal, strong adsorptive power, compound with the necessary nitrogen of corn growth, phosphorus, potassium and other nutritive elements, and make binding agent with Acidic Bentonite or clay, make the particulate state special carbon-base slow release fertilizer for corn.Preparation technology is simple for this fertilizer, economic environmental protection, and applied once can be supplied the corn whole growth phase effectively to nutrient demand, and the utilization rate of fertilizer height is saved fertilising cost and energy consumption, helps large-scale promotion application in Maize Production.
A kind of special carbon-base slow release fertilizer for corn comprises:
1. granular urea (containing N:46%),
2. the monoammonium phosphate powder (contains N:11%, P
2O
5: 46%),
Corn cob granule carbon particle (granularity 80-100 order) and
4. zinc sulfate (contains zinc: 23%);
Also can further comprise:
5. Repone K (contains K
2O:60%) and
6. boron fertilizer (H
3BO
4);
Also can further comprise binding agent.Described binding agent is preferably Acidic Bentonite or the clay of pH5.5-6.5.
It is fertile or/and disposable base fertilizer that described special carbon-base slow release fertilizer for corn can be used as the corn dedicated port.
Comprise in the preferred dedicated port fertilizer:
1. granular urea (containing N:46%),
2. the monoammonium phosphate powder (contains N:11%, P
2O
5: 46%),
3. corn cob granule carbon particle (granularity 80-100 order),
Zinc sulfate (contain zinc: 23%) and
5. binding agent;
Described binding agent is preferably Acidic Bentonite or the clay of pH5.5-6.5.
Comprise in the preferred disposable base fertilizer:
1. granular urea (containing N:46%),
2. the monoammonium phosphate powder (contains N:11%, P
2O
5: 46%),
3. corn cob granule carbon particle (granularity 80-100 order),
4. Repone K (contains K
2O:60%),
Zinc sulfate (contain zinc: 23%),
6. boron fertilizer (H
3BO
4) and
7, binding agent;
Described binding agent is preferably Acidic Bentonite or the clay of pH5.5-6.5.
By weight or weight percent content:
The fertile total nutrient content of dedicated port is 35-45%, is preferably 40%.Described total nutrient is meant nitrogen (N) and available phosphorus (P
2O
5), wherein nitrogenous (N) amount is preferably 17% for 15-19%; Contain available phosphorus (P
2O
5) amount is for 20-26%, is preferably 23%.The preferred amount of application of dedicated port fertilizer is 10-12.5 kilogram/mu.
Disposable base fertilizer total nutrient content is 30-40%, is preferably 35%.Described total nutrient is meant nitrogen (N), available phosphorus (P
2O
5) and effective potassium (K
2O), N: P wherein
2O
5: K
2The ratio of O is 20-23: 4-7: 6-9, is preferably 22: 5: 8.Nitrogen phosphoris and potassium fertilizer ratio can suitably be regulated according to the different soils fertility state.The preferred amount of application of disposable base fertilizer is 40-50 kilogram/mu, and machinery imposes on 15～18cm place under the seed during sowing, with the fertile compounding application of mouth, exempts to topdress.
Above-mentioned total nutrient content or nitrogen (N), phosphorus (P
2O
5), potassium (K
2O) nutrient content calculates by the public method of calculation in this area.
Area or field piece at lacking trace element can autotelic interpolation be selected from manganous sulfate in disposable base fertilizer or dedicated port fertilizer, one or more little fertilizer of ammonium molybdate, ferrous sulfate, copper sulfate, preparation dedicated fertilizer.The trace element that adds can other compound form exist, as selecting to add additional Fe such as ferrous sulfate or iron(ic) chloride
3+Or Fe
2+, those skilled in the art can arbitrarily adjust according to common practise.The little fertile kind of adding is not limited to above-mentioned little fertilizer, can add other little fertilizer according to corn growth needs or different end-use needs, as adding selenium fertilizer etc.The purity of little fertilizer is preferably more than 90%, and effective constituent (manganous sulfate, ammonium molybdate, ferrous sulfate, copper sulfate etc.) content is preferably 0.5-1% in dedicated port fertilizer or the disposable base fertilizer.
Described granular urea, monoammonium phosphate powder, Repone K, zinc sulfate and boron fertilizer are all available on market, and be all on sale at Agricultural Materials shop.
Described little fertilizer such as manganous sulfate, ammonium molybdate, ferrous sulfate, copper sulfate etc. can have been bought on the market, and is all on sale at Agricultural Materials shop.
Described granular urea also is referred to as the urea powder.
Described corn cob granule charcoal be the production of corn cob granule charcoal charring furnace, granularity is 80-100 purpose particle carbon particle.Preferably application number is the corn cob granule charcoal that the described simple and easy corncob granule carbonization furnace of 200710086505.4 Chinese patent application is produced.Be specially:
The charring furnace that this invention provided as shown in Figure 1, is made up of body of heater 1, burner 4, venting port 5, discharge port 2.
Described body of heater 1 can use any flame-proof thermal insulation material to make, as chromium oxide material, zircon material, chromium zircon corundum material, dioxide composite silicon materials, clay material, basic refractory, cement etc., also can make body of heater with adding flame-proof thermal insulation material in the middle of the double-layer plate.Preferably, add flame-proof thermal insulation material 3 with the double-layer plate intermediate course and make body of heater.The thickness of steel plate can be 6-10mm, preferably 8mm.The flame-proof thermal insulation material that the steel plate intermediate course adds is preferably asbestos yarn.
Described body of heater 1 can be made into different shapeies such as cuboid, cube shaped, the cylinder bodily form according to producing needs.Be preferably cuboid, the cube shaped or cylinder bodily form.
Described body of heater 1 is semi-enclosed, and the top uncovered is used for adding or appending material.By appending oxygen supply amount in the Material control body of heater.
The volume of described body of heater 1 can be made size arbitrarily according to producing needs.Preferably, the length of described body of heater is respectively 3m, 1.5m, 1.5m; Another is preferred, and the length of described body of heater is respectively 5m, 1.5m, 1.5m.
One discharge port 2 is arranged at the bottom of one side of described body of heater 1, preferably in the narrower side of width, is used for discharging and from this discharge port ignition combustion device, also plays smoke evacuation.Discharge port can be trilateral, square, semicircle or half elliptic.Preferably, discharge port is square or semicircle.The big I of discharge port is according to body of heater volume size design, packs into body of heater in principle and do not drop down automatically to fall to being as the criterion behind the material, and those skilled in the art are easy to design according to prior art, repeat no more here.Discharge port is outer can be equipped with side sliding door or sliding door, can be designed to net formula or board-like, and those skilled in the art design easily according to prior art, and are not shown among Fig. 1, be used to control material drops down automatically or the subcontrol body of heater in the oxygen supply amount.
The either side at non-discharge port place is provided with venting port 5 on the described body of heater 1, and preferred, venting port is located at the relative side of discharge port.Gas exhaust duct can be made into triangle cylindricality, square column type or cylindrical, and its height should be greater than the height of body of heater.Preferably, the height of gas exhaust duct is 2-3.5m; Preferred, the height of gas exhaust duct is 2-2.5m; Another is preferred, and the height of gas exhaust duct is 3-3.5m.
The bottom of described body of heater 1 is provided with burner 4, as shown in Figure 2.The length of burner should be suitable with the length of body of heater 1, so that the material burning is even in the whole body of heater.The effect of burner is material and smoke evacuation in the ignition furnace body.Burner can be made of the thick steel plate of 3-7mm, and is preferred, makes of the steel plate that 5mm is thick.Steel plate 6 should be made netted or evenly boring in the above, and the size in hole can not be by being as the criterion with material particles, and the density in hole should be tried one's best greatly, but will guarantee to bear the pressure of material in the body of heater.Burner can be made into triangle cylindricality or half round post.Preferably, burner is made the triangle cylindricality.Further,, in burner, be provided with flashpan 7, be used for the splendid attire required ignition substance of material in the body of heater of igniting, as gasoline, kerosene or other inflammable substance etc. for material in the body of heater that is easier to ignite.Described flashpan should run through whole burner cylinder, so that material is evenly lighted in the body of heater.
The available any temperature monitoring mode of the prior art of monitoring of temperature preferably adopts mechanical type or digital temperature controller to monitor in the above-mentioned charring furnace body of heater, and the digital temperature controller of preferred employing XMT-121 type is monitored.The digital temperature controller of XMT-121 type is the common instrument of this area, and the instrument shop is all available on market.Temperature controller can be installed in furnace body inside or plant in body of heater in the material.Preferably, temperature controller is installed in furnace body inside.
The charring furnace that this invention provided adopts anoxic destructive distillation decomposition principle, will through the corn cob granule after the preliminary working one by one, layering packs into and lights in the stove, implementation feed particles spontaneous combustion (not external heat source) makes corn cob granule anoxic thermal degradation.When temperature was heated to more than 150 ℃, the complex construction of corn cob granule began to decompose.When temperature during, decompose aggravation, and generate tar, gas and black charcoal crude granule greater than 260 ℃.
Utilize described charring furnace to produce the method for corn cob granule charcoal, comprise select materials, material processing, shove charge charing, cool off come out of the stove, step such as metering packing.
Described selecting materials is meant, with the corn cob natural air drying or the artificial drying of agricultural byproducts, its water content reduced to below 20%.Preferably, water content is reduced to below 16%.
The processing of described material is meant, can adopt the qualified corn cob processing pulverizing that any crumbling method will be above-mentioned in the prior art, preferably carries out fragmentation with FB-1 type crusher.Described FB-1 type crusher is the conventional machinery of this area.Corn cob granule diameter after the pulverizing is 2-10mm; Preferably, the corn cob granule diameter after the pulverizing is 2-7mm; Preferred, the corn cob granule diameter after the pulverizing is 2-5mm.The screening of can sieving of corn cob granule after the pulverizing can be processed again for undesirable corn cob granule.
Described shove charge charing is meant, the corn cob granule that processes is packed in the body of heater, and initial material add-on is advisable to cover on the burner 10-25 centimetre.Be preferably 15-20 centimetre.Ignition substance in the burner flashpan is lighted.Described ignition substance can be gasoline, kerosene or other inflammable substance.After material is lighted, continue spontaneous combustion, need not external heat source.Material is the anoxic charing under inferior hot conditions.Preferred inferior hot conditions is temperature 150-450 ℃, is more preferably 200 ℃-450 ℃ of temperature, further 260 ℃-450 ℃ of temperature preferably.When temperature was heated to more than 150 ℃, the particulate complex construction began to decompose; Decompose aggravation during greater than 260 ℃ when temperature, generate tar and gas; When temperature reaches 450 ℃, begin anoxybiotic, atomizing, generate black charcoal crude granule.With oxygen supply amount in the reinforced gauge control body of heater, anoxia condition can adopt mechanical means control or Artificial Control automatically in the body of heater.Preferably, Artificial Control anoxia condition.Because this charring furnace is semi-enclosed, can observe directly the combustion position of material in the body of heater, also can adopt mechanical type or digital temperature controller to monitor.When temperature in the body of heater reaches 450 ℃, in time replenish Material control oxygen supply amount.The thickness that at every turn appends material is 6-12 centimetre, is preferably 8-10 centimetre.Also can replenish Material control oxygen supply amount at any time according to the intravital material combustion position of stove, the timed interval of at every turn appending material is approximately 30-40 minute.After treating that whole materials interpolations finish, add last layer finished product charcoal and cover, thickness is 15-30 centimetre, is preferably 15-20 centimetre.
If temperature does not reach 450 ℃ in the stove, be prone to " half-cooked charcoal ", can reduce quality product.At this moment should check whether material bed on new seals lower floor tightly, and whether burner is out of joint, and in time adjusts as the case may be.
When the finished product charcoal of last layer burns red back (estimate and get final product), in time spraying cold water extinguishes stove fire, and naturally cooling is come out of the stove.
Can become granularity to the further grinding and processing of corn cob granule charcoal of coming out of the stove as required is 80-100 purpose particulate.
Characteristic feature of an invention
Compare with existing compound manure, the present invention has following characteristics:
1, had good sustained release effect, the utilization rate of fertilizer height.The used substrate material of carbon-base slow release fertilizer that the present invention produces is the corn cob granule carbon particle, has extremely strong adsorptivity, water-retentivity and heating property of extinction, had good sustained release effect, fertilizer nutrient utilization ratio height.After being manured into soil, not only can hold fertilizer slow-release, reduce the fertilizer leaching loss, and heat the water conservation district owing to around each carbon granule, all can form a little extinction, both help increasing ground temperature, can alleviate the influence that drought and water shortage produces corn growth again to a certain extent.
2, production technique is simple, and raw material is easy to get.The used substrate material corn cob granule of the present invention carbon particle comes from the waste-corn cob in the Maize Production, and equipment is pulverizer commonly used, simple and easy charring furnace, agitator, granulating disc etc., and production unit is simple, and is with low cost, is easy to industrialization.As long as improve slightly, existing fertilizer plant all can directly put into production.
3, environmentally friendly, safety and environmental protection.The used substrate material of the present invention is pure organic corn cob granule carbon particle, and its main component is the charcoal element more than 90%, is easy to degraded in soil, and can improves Soil structure effectively, and is environmentally friendly, safety and environmental protection.
Embodiment
Embodiment 1: charring furnace
Charring furnace is made up of body of heater 1, burner 4, venting port 5, discharge port 2, as shown in Figure 1.The charring furnace body of heater is the thick double-layer plate of 8mm, insulation interlayer in the middle of making of asbestos yarn.Body of heater is a cuboid.It is semi-enclosed that body of heater is, the top uncovered.The concrete parameter of the special-purpose charring furnace of corn cob granule charcoal sees the following form.In the bottom of the narrower side of the width of body of heater 1, a discharge port 2 is arranged, be used for discharging and from this discharge port ignition combustion device.Discharge port is square or semicircle.The big I of discharge port is according to body of heater volume size design, packs into body of heater in principle and do not drop down automatically to fall to being as the criterion behind the material.Discharge port does not have sliding door outward.Body of heater 1 is provided with venting port 5, is located at the relative side of discharge port.Gas exhaust duct is cylindrical.The bottom of body of heater 1 is provided with burner 4, as shown in Figure 2.The length of the length of burner and body of heater 1 is suitable, so that the material burning is even in the whole body of heater.Burner is made of the thick steel plate of 5mm.Steel plate has been made grid of holes, and the size in hole can not be by being as the criterion with material particles in the body of heater, and the density in hole should be tried one's best greatly, but will guarantee to bear the pressure of material in the body of heater.Burner is the triangle cylindricality, as Fig. 2.Further,, in burner, be provided with flashpan 7, be used for the splendid attire required ignition substance of material in the body of heater of igniting, as gasoline, kerosene or other inflammable substance etc. for material in the body of heater that is easier to ignite.Described flashpan runs through whole burner cylinder, so that material is evenly lighted in the body of heater.The monitoring of temperature adopts the digital temperature controller of XMT-121 type to monitor in the charring furnace body of heater.Temperature controller is installed in furnace body inside.
The special-purpose charring furnace parameter list of table 1 corn cob granule charcoal
| Project | A type charring furnace | The Type B charring furnace |
| The body of heater overall dimensions | 3m×1.5m×1.5m | 5m×1.5m×1.5m |
| Useful volume | 3m 3 | 5m 3 |
| The venting port height | 2-2.5m | 3-3.5m |
| Working temperature in the stove | ≤450℃ | ≤450℃ |
| Temperature monitoring | The digital temperature controller of XMT-121 type | The digital temperature controller of XMT-121 type |
| Throughput | 0.3t/24h | 0.5t/24h |
The method of utilizing the described charring furnace of embodiment 1 to produce the corn cob granule charcoal, comprise select materials, material processing, shove charge charing, cool off come out of the stove, step such as metering packing.
Select materials: its water content is reduced to below 20% the corn cob natural air drying of agricultural byproducts.
Material processing: any crumbling method is pulverized above-mentioned qualified corn cob processing in the employing prior art, and the corn cob granule diameter after the pulverizing is 2-10mm.The screening of can sieving of corn cob granule after the pulverizing can be processed again for undesirable corn cob granule.
The shove charge charing: the corn cob granule that processes is packed in the body of heater, and initial material add-on is to cover on the burner 10-25 centimetre.Ignition substance in the burner flashpan is lighted.Described ignition substance is a gasoline.After material is lighted, continue spontaneous combustion, need not external heat source.Material anoxic charing under 150-450 ℃ of inferior hot conditions.When temperature was heated to more than 150 ℃, the particulate complex construction began to decompose; Decompose aggravation during greater than 260 ℃ when temperature, generate tar and gas; When temperature reaches 450 ℃, begin anoxybiotic, atomizing, generate black charcoal crude granule.Anoxia condition adopts Artificial Control in the body of heater.Adopt the digital temperature controller of XMT-121 type to monitor.The digital temperature controller of XMT-121 type is the common instrument of this area, and the instrument shop is all available on market.When temperature in the body of heater reaches 450 ℃, in time replenish Material control oxygen supply amount.The thickness that at every turn appends material is 6-12 centimetre.After treating that whole materials interpolations finish, add last layer finished product charcoal and cover, thickness is 15-30 centimetre.
Cooling is come out of the stove: when the finished product charcoal of last layer burns red back (estimate and get final product), in time spraying cold water extinguishes stove fire, and naturally cooling is come out of the stove.
Can become granularity to the further grinding and processing of corn cob granule charcoal of coming out of the stove as required is 80-100 purpose particulate.
Embodiment 3: the special-purpose disposable base fertilizer production technique of corn
Mix with weight ratio or weight percent according to following step:
(1) be 46% granular urea, 80 purpose corn cob granule carbon particle and binding agents with nitrogenous (N) amount; mixed by 50%, 35% and 15%; carry out the pressure granulation with KP-300 type fertilizer tablets press (conventional machinery in the fertilizer preparation process), nitrogenous (N) amount of making is 23% slow-release nitrogen fertilizer.
(2) will contain N amount is 11% and P
2O
5Amount is 46% monoammonium phosphate powder, 80 purpose corn cob granule carbon particle and binding agents, and the mixed by 70%, 20% and 10% is carried out the pressure granulation with KP-300 type fertilizer tablets press, makes nitrogenous (N) amount 7.7%, contains available phosphorus (P
2O
5) amount is 32.2% compound nitrogen phosphate fertilizer.
(3) will contain effective potassium (K
2O) amount is that 60% Repone K, 80 purpose corn cob granule carbon particles, binding agent, zinc content are 23% zinc sulfate and boron fertilizer (Agricultural Materials shop is all available); mixed by 60%, 23%, 15%, 1%, 1%; carry out the pressure granulation with KP-300 type fertilizer tablets press, make zinc, potassium, the boron composite fertilizer of potassium content 36%.
(4) nitrogenous (N) amount of getting is 90 parts of 46% granular ureas, and 10 parts of 80 purpose corn cob granule carbon particles utilize the disc type tablets press (conventional machinery in the fertilizer preparation process) that has heating function to carry out dressing, make the simple substance slow-release nitrogen fertilizer.
(5) compound: the finished product of (1), (2), (3) and (4) in 24%, 16%, 23% and 37% ratio compound, and are stirred with ZLC-300 type stirrer (conventional machinery in the fertilizer preparation process).
(6) metering, packing.
Described binding agent is the Acidic Bentonite of pH5.5-6.5.
Embodiment 4: the special-purpose disposable base fertilizer production technique of corn
Mix with weight ratio or weight percent according to following step:
(1) be 46% granular urea, 80 purpose corn cob granule carbon particle and binding agents with nitrogenous (N) amount; mixed by 50%, 35% and 15%; carry out the pressure granulation with KP-300 type fertilizer tablets press (conventional machinery in the fertilizer preparation process), nitrogenous (N) amount of making is 23% slow-release nitrogen fertilizer.
(2) will contain N amount is 11% and P
2O
5Amount is 46% monoammonium phosphate powder, 80 purpose corn cob granule carbon particle and binding agents, and the mixed by 70%, 20% and 10% is carried out the pressure granulation with KP-300 type fertilizer tablets press, makes nitrogenous (N) amount 7.7%, contains available phosphorus (P
2O
5) amount is 32.2% compound nitrogen phosphate fertilizer.
(3) will contain effective potassium (K
2O) amount is that 60% Repone K, 80 purpose particle carbon particles, binding agent, zinc content are 23% zinc sulfate and boron fertilizer (Agricultural Materials shop is all available); mixed by 60%, 23%, 15%, 1%, 1%; carry out the pressure granulation with KP-300 type fertilizer tablets press, make and contain effective potassium (K
2O) zinc, potassium, the boron composite fertilizer of amount 36%.
(4) nitrogenous (N) amount of getting is 90 parts of 46% granular ureas, and 10 parts of 80 purpose corn cob granule carbon particles utilize the disc type tablets press (conventional machinery in the fertilizer preparation process) that has heating function to carry out dressing, make the simple substance slow-release nitrogen fertilizer.
(5) compound: with the finished product of (1), (2), (3) and (4) in 24%, 15%, 23% and 37% ratio compound, and add 0.5% manganous sulfate and 0.5% copper sulfate, stir with ZLC-300 type stirrer (conventional machinery in the fertilizer preparation process).
(6) metering, packing.
Described binding agent is the Acidic Bentonite of pH5.5-6.5.
Embodiment 5: the special-purpose disposable base fertilizer production technique of corn
Mix with weight ratio or weight percent according to following step:
(1) be 46% granular urea, 80 purpose corn cob granule carbon particle and binding agents with nitrogenous (N) amount; mixed by 50%, 35% and 15%; carry out the pressure granulation with KP-300 type fertilizer tablets press (conventional machinery in the fertilizer preparation process), nitrogenous (N) amount of making is 23% slow-release nitrogen fertilizer.
(2) will contain N amount is 11% and P
2O
5Amount is 46% monoammonium phosphate powder, 80 purpose corn cob granule carbon particle and binding agents, and the mixed by 70%, 20% and 10% is carried out the pressure granulation with KP-300 type fertilizer tablets press, makes nitrogenous (N) amount 7.7%, contains available phosphorus (P
2O
5) amount is 32.2% compound nitrogen phosphate fertilizer.
(3) will contain potassium (K
2O) amount is that 60% Repone K, 80 purpose particle carbon particles, binding agent, zinc content are 23% zinc sulfate and boron fertilizer (Agricultural Materials shop is all available); mixed by 60%, 23%, 15%, 1%, 1%; carry out the pressure granulation with KP-300 type fertilizer tablets press, make the zinc, potassium, the boron composite fertilizer that contain effective potassium amount 36%.
(4) nitrogenous (N) amount of getting is 90 parts of 46% granular ureas, and 10 parts of 80 purpose corn cob granule carbon particles utilize the disc type tablets press (conventional machinery in the fertilizer preparation process) that has heating function to carry out dressing, make the simple substance slow-release nitrogen fertilizer.
(5) compound: the finished product of (1), (2), (3) and (4) in 24%, 15%, 23% and 37% ratio compound, and are added 1% ferrous sulfate, stir with ZLC-300 type stirrer (conventional machinery in the fertilizer preparation process).
(6) metering, packing.
Described binding agent is the Acidic Bentonite of pH5.5-6.5.
Embodiment 6: the special-purpose disposable base fertilizer production technique of corn
Mix with weight ratio or weight percent according to following step:
(1) be 46% granular urea, 100 purpose corn cob granule carbon particle and binding agents with nitrogenous (N) amount; mixed by 50%, 35% and 15%; carry out the pressure granulation with KP-300 type fertilizer tablets press (conventional machinery in the fertilizer preparation process), make nitrogen content and be 23% slow-release nitrogen fertilizer.
(2) will to contain N amount be 11% and contain P
2O
5Amount is 46% monoammonium phosphate powder, 100 purpose corn cob granule carbon particle and binding agents, and the mixed by 70%, 20% and 10% is carried out the pressure granulation with KP-300 type fertilizer tablets press, makes nitrogenous (N) amount 7.7%, phosphorous (P
2O
5) amount is 32.2% compound nitrogen phosphate fertilizer.
(3) will contain potassium (K
2O) amount is that 60% Repone K, 100 purpose corn cob granule carbon particles, binding agent, zinc content are 23% zinc sulfate and boron fertilizer (Agricultural Materials shop is all available); mixed by 60%, 23%, 15%, 1%, 1%; carry out the pressure granulation with KP-300 type fertilizer tablets press, make and contain potassium (K
2O) zinc, potassium, the boron composite fertilizer of amount 36%.
(4) nitrogenous (N) amount of getting is 90 parts of 46% granular ureas, and 10 parts of 100 purpose corn cob granule carbon particles utilize the disc type tablets press (conventional machinery in the fertilizer preparation process) that has heating function to carry out dressing, make the simple substance slow-release nitrogen fertilizer.
(5) compound: the finished product of (1), (2), (3) and (4) in 24%, 16%, 23% and 37% ratio compound, and are stirred with ZLC-300 type stirrer (conventional machinery in the fertilizer preparation process).
(6) metering, packing.
Described binding agent is the clay of pH5.5-6.5.
Embodiment 7: the fertile production technique of corn dedicated port
Mix with weight ratio or weight percent according to following step:
(1) will contain that N amount is 11%, P
2O
5Amount is that 46% monoammonium phosphate powder, 80-100 purpose corn cob granule carbon particle, binding agent and zinc content are 23% zinc sulfate; mixed by 70%, 20%, 9% and 1%; carry out the pressure granulation with KP-300 type fertilizer tablets press, make nitrogenous (N) amount 7.7%, contain available phosphorus (P
2O
5) amount 32.2% nitrogen phosphorus slow-release compound fertilizer.
(2) be 46% granular urea and 80-100 purpose corn cob granule carbon particle with nitrogenous (N) amount by 90%, 10% mixed, utilize the disc type tablets press that has heating function to carry out dressing, make the simple substance slow-release nitrogen fertilizer.
(3) with the finished product of (1) and (2) in 72% and 28% ratio compound, and stir with ZLC-300 type stirrer.
(4) metering, packing.
Described binding agent is Acidic Bentonite or the clay of pH5.5-6.5.
Embodiment 8: the fertilizer efficiency experiment
On Xiuyan county, Anshan, Liaoning Yanghe Zhen brunisolic soil and Shenyang City, Liaoning Faku County meadow soil, carried out respectively should special use fertilizer test, used kind is red beautiful 88.Waiting under nutrient, the equal proportion condition, carrying out special carbon-base slow release fertilizer for corn and other corn composite fertilizer special simultaneous tests and handle, and utilize potted plant and the field test method, verifying the effect of special carbon-base slow release fertilizer for corn.
Experimental result shows, uses the special carbon-base slow release fertilizer for corn that the present invention produces, and plants to still have after a season carbon granule and fertilizer residual in the soil.At total nutrient (N, P
2O
5, K
2O) content is 35%, nitrogen (N): phosphorus (P
2O
5): potassium (K
2O) nutrients ratio is 22: 5: 8, adopt the fertile cooperation fertilising of disposable base fertilizer and dedicated port to exempt to topdress, under the condition that compares with the conventional composite fertilizer of equal proportion and equivalent, use the treatment zone of special carbon-base slow release fertilizer for corn, corn plant height in seedling stage has increased by 2.9～3.4cm, and chlorophyll has increased by 4.5～6.7%; Typhon mouth phase stem foot girth has increased by 0.47～0.93cm/ stem; The phase leaf area of weaving silk has increased by 2661～4693cm
2/ strain, radical have increased by 43.7～55.7/strain.Growing period does not all occur taking off fertilizer on two kinds of soil or late growing stage is crossed prosperous phenomenon, and vine growth and development is good.And the check plot corn just has not foot phenomenon of tangible nutrient supply before taking out hero, and plant is shorter, and the stem stalk is slim and frahile, and the leaf look yellow; Ripening stage takes off fertile serious, and middle and lower part blade yellow reddens, and typical nitrogen stress symptom occurs, and output obviously reduces.Handle compared with the control, the ripening stage fringe has slightly increased by 0.16～0.26cm, and grain number per spike has increased by 16.3～68.3, and the fringe grain has heavily increased by 21.8～55.0g.Under two kinds of edaphic conditions and situation than conventional fertilizer application minimizing fertilizer amount 25%, brown earth field corn yield reaches 674.9 kilograms/mu, meadow soil field corn yield reaches 714.8 kilograms/mu, and amount of increase in production is respectively 14.5% and 21.1%, obviously surpasses the yield level in conventional fertilizer application field.
Claims (19)
1. a special carbon-base slow release fertilizer for corn is characterized in that wherein comprising the corn cob granule carbon particle.
2. special carbon-base slow release fertilizer for corn as claimed in claim 1 is characterized in that wherein also further comprising one or more of granular urea, monoammonium phosphate powder and zinc sulfate.
3. special carbon-base slow release fertilizer for corn as claimed in claim 2 is characterized in that: wherein also further comprise one or more of Repone K and boron fertilizer.
4. as the described special carbon-base slow release fertilizer for corn of claim 1-3, it is characterized in that: wherein also further comprise binding agent; Described binding agent is Acidic Bentonite or clay.
5. special carbon-base slow release fertilizer for corn as claimed in claim 2 is characterized in that: total nutrient content wherein is 35-45% by weight percentage; Described total nutrient is meant nitrogen and available phosphorus, and wherein nitrogen content is 15-19%, and containing the available phosphorus amount is 20-26%.
6. special carbon-base slow release fertilizer for corn as claimed in claim 5 is characterized in that: total nutrient content is 40%; Wherein nitrogen content is 17%, and containing the available phosphorus amount is 23%.
7. special carbon-base slow release fertilizer for corn as claimed in claim 3 is characterized in that: total nutrient content is 30-40%; Described total nutrient is meant nitrogen, available phosphorus and effective potassium, wherein N: P
2O
5: K
2The ratio of O is 20-23: 4-7: 6-9.
8. special carbon-base slow release fertilizer for corn as claimed in claim 7 is characterized in that: total nutrient content is 35%; N: P wherein
2O
5: K
2The ratio of O is 22: 5: 8.
9. special carbon-base slow release fertilizer for corn as claimed in claim 6 is characterized in that: this special carbon-base slow release fertilizer for corn is as a mouthful fertilizer.
10. special carbon-base slow release fertilizer for corn as claimed in claim 8 is characterized in that: this special carbon-base slow release fertilizer for corn is as disposable base fertilizer.
11. as the described special carbon-base slow release fertilizer for corn of claim 1-3,5-10, it is characterized in that: described special carbon-base slow release fertilizer for corn also further comprises little fertilizer.
12. special carbon-base slow release fertilizer for corn as claimed in claim 11 is characterized in that: described little fertilizer is selected from manganous sulfate, one or more of ammonium molybdate, ferrous sulfate, copper sulfate.
13. as the described special carbon-base slow release fertilizer for corn of claim 1-3,5-10, it is characterized in that: the granularity of described corn cob granule carbon particle is the 80-100 order.
14. the preparation method of a special carbon-base slow release fertilizer for corn is characterized in that may further comprise the steps:
With corn cob granule carbon particle and agrochemical mixing granulation, the preparation special carbon-base slow release fertilizer for corn.
15. method as claimed in claim 14 is characterized in that described agrochemical is selected from one or more of granular urea, monoammonium phosphate powder, Repone K, zinc sulfate, boron fertilizer.
16. method as claimed in claim 14 is characterized in that also further may further comprise the steps:
(1) with nitrogen content is 46% granular urea, corn cob granule carbon particle and binding agent mixing granulation;
(2) will contain N amount is 11% and P
2O
5Amount is 46% monoammonium phosphate powder, corn cob granule carbon particle, binding agent mixing granulation;
(3) will contain effective potassium amount is that 60% Repone K, corn cob granule carbon particle, binding agent, zinc content are 23% zinc sulfate, boron fertilizer mixing granulation;
(4) with nitrogen content be 46% granular urea, corn cob granule carbon particle mixing granulation; With
(5) with the finished product compound of step (1), (2), (3) and (4), make special carbon-base slow release fertilizer for corn;
Described binding agent is Acidic Bentonite or clay.
17. method as claimed in claim 14 is characterized in that also further may further comprise the steps:
(1) will contain N amount is 11% and P
2O
5Amount is that 46% monoammonium phosphate powder, corn cob granule carbon particle, binding agent, zinc content are 23% zinc sulfate mixing granulation;
(2) with nitrogen content be 46% granular urea and corn cob granule carbon particle mixing granulation; With
(3) with the finished product compound of step (1) and (2), make special carbon-base slow release fertilizer for corn; Described binding agent is Acidic Bentonite or clay.
18., it is characterized in that also further comprising the step of in described special carbon-base slow release fertilizer for corn, adding little fertilizer as the described method of claim 14-17; Described little fertilizer is selected from manganous sulfate, one or more of ammonium molybdate, ferrous sulfate, copper sulfate.
19. as the described method of claim 14-17, the granularity that it is characterized in that described corn cob granule carbon particle is the 80-100 order.
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN101884298A (en) * | 2009-05-14 | 2010-11-17 | 北京天地绿园农业科学研究院 | Nutritional soil prepared from corn cob hydrolysis residue and preparation method thereof |
| CN102174330A (en) * | 2011-02-17 | 2011-09-07 | 陈温福 | Carbon-base soil improver and preparation method thereof |
| CN102173944A (en) * | 2011-02-17 | 2011-09-07 | 陈温福 | Carbon-based controlled-release fertilizer special for potato and preparation method thereof |
| CN102424642A (en) * | 2011-09-25 | 2012-04-25 | 西北农林科技大学 | Method for producing biocarbon-based slow-release nitrogen fertilizer |
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| CN1041384A (en) * | 1988-09-17 | 1990-04-18 | 东北工学院 | Method and apparatus with producing vegetable charcoal from corncob |
| CN1059421C (en) * | 1996-03-29 | 2000-12-13 | 张宝惠 | Carbon-based multiple high effect composite fertilizer and process for producing same |
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Application publication date: 20071017 Assignee: Liaoning Hefu Agricultural Development Co.,Ltd. Assignor: Chen Wenfu Contract record no.: 2014210000071 Denomination of invention: Special carbon-base slow release fertilizer for corn and preparation method thereof Granted publication date: 20081217 License type: Exclusive License Record date: 20140822 |
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Effective date of registration: 20151029 Address after: 114300, Xiuyan Manchu Autonomous County, Liaoning City, Anshan Province Ya River Industrial Park Patentee after: LIAONING GOLDEN FUTURE AGRICULTURE TECHNOLOGY CO.,LTD. Address before: 110161, Dongling Road, Dongling District, Liaoning, Shenyang, 120 Patentee before: Chen Wenfu |
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