CN114988940A - Organic liquid water-soluble fertilizer and preparation method thereof - Google Patents
Organic liquid water-soluble fertilizer and preparation method thereof Download PDFInfo
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- CN114988940A CN114988940A CN202210537434.XA CN202210537434A CN114988940A CN 114988940 A CN114988940 A CN 114988940A CN 202210537434 A CN202210537434 A CN 202210537434A CN 114988940 A CN114988940 A CN 114988940A
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- 239000007788 liquid Substances 0.000 title claims abstract description 76
- 239000003337 fertilizer Substances 0.000 title claims abstract description 45
- 238000002360 preparation method Methods 0.000 title claims abstract description 9
- QJZYHAIUNVAGQP-UHFFFAOYSA-N 3-nitrobicyclo[2.2.1]hept-5-ene-2,3-dicarboxylic acid Chemical compound C1C2C=CC1C(C(=O)O)C2(C(O)=O)[N+]([O-])=O QJZYHAIUNVAGQP-UHFFFAOYSA-N 0.000 claims abstract description 50
- 239000004021 humic acid Substances 0.000 claims abstract description 46
- 235000015097 nutrients Nutrition 0.000 claims abstract description 29
- 239000002023 wood Substances 0.000 claims abstract description 24
- 239000000052 vinegar Substances 0.000 claims abstract description 23
- 235000021419 vinegar Nutrition 0.000 claims abstract description 23
- 239000000126 substance Substances 0.000 claims abstract description 16
- 229910052500 inorganic mineral Inorganic materials 0.000 claims abstract description 11
- 239000011707 mineral Substances 0.000 claims abstract description 11
- 239000002994 raw material Substances 0.000 claims abstract description 7
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims abstract description 7
- 239000005416 organic matter Substances 0.000 claims abstract description 4
- HEMHJVSKTPXQMS-UHFFFAOYSA-M Sodium hydroxide Chemical compound [OH-].[Na+] HEMHJVSKTPXQMS-UHFFFAOYSA-M 0.000 claims description 12
- 238000005273 aeration Methods 0.000 claims description 12
- 238000006243 chemical reaction Methods 0.000 claims description 11
- 238000000034 method Methods 0.000 claims description 8
- GRYLNZFGIOXLOG-UHFFFAOYSA-N Nitric acid Chemical compound O[N+]([O-])=O GRYLNZFGIOXLOG-UHFFFAOYSA-N 0.000 claims description 7
- 238000002156 mixing Methods 0.000 claims description 7
- 229910017604 nitric acid Inorganic materials 0.000 claims description 7
- 238000013329 compounding Methods 0.000 claims description 6
- 239000007800 oxidant agent Substances 0.000 claims description 6
- 230000001590 oxidative effect Effects 0.000 claims description 6
- KCXVZYZYPLLWCC-UHFFFAOYSA-N EDTA Chemical compound OC(=O)CN(CC(O)=O)CCN(CC(O)=O)CC(O)=O KCXVZYZYPLLWCC-UHFFFAOYSA-N 0.000 claims description 5
- 230000000536 complexating effect Effects 0.000 claims description 5
- 235000016709 nutrition Nutrition 0.000 claims description 5
- 238000005303 weighing Methods 0.000 claims description 5
- PQHYOGIRXOKOEJ-UHFFFAOYSA-N 2-(1,2-dicarboxyethylamino)butanedioic acid Chemical compound OC(=O)CC(C(O)=O)NC(C(O)=O)CC(O)=O PQHYOGIRXOKOEJ-UHFFFAOYSA-N 0.000 claims description 4
- 229920000805 Polyaspartic acid Polymers 0.000 claims description 4
- 239000008139 complexing agent Substances 0.000 claims description 4
- 150000001875 compounds Chemical class 0.000 claims description 4
- 239000012535 impurity Substances 0.000 claims description 4
- 239000000203 mixture Substances 0.000 claims description 4
- 108010064470 polyaspartate Proteins 0.000 claims description 4
- 238000010008 shearing Methods 0.000 claims description 4
- 230000004913 activation Effects 0.000 claims description 3
- 238000001914 filtration Methods 0.000 claims description 3
- 230000001376 precipitating effect Effects 0.000 claims description 3
- 229910019614 (NH4)6 Mo7 O24.4H2 O Inorganic materials 0.000 claims description 2
- QPCDCPDFJACHGM-UHFFFAOYSA-N N,N-bis{2-[bis(carboxymethyl)amino]ethyl}glycine Chemical compound OC(=O)CN(CC(O)=O)CCN(CC(=O)O)CCN(CC(O)=O)CC(O)=O QPCDCPDFJACHGM-UHFFFAOYSA-N 0.000 claims description 2
- KCQUJORJVXQRST-UHFFFAOYSA-N acetic acid;ethane-1,2-diamine Chemical compound CC(O)=O.CC(O)=O.CC(O)=O.CC(O)=O.CC(O)=O.NCCN KCQUJORJVXQRST-UHFFFAOYSA-N 0.000 claims description 2
- 238000005904 alkaline hydrolysis reaction Methods 0.000 claims description 2
- FIXLYHHVMHXSCP-UHFFFAOYSA-H azane;dihydroxy(dioxo)molybdenum;trioxomolybdenum;tetrahydrate Chemical compound N.N.N.N.N.N.O.O.O.O.O=[Mo](=O)=O.O=[Mo](=O)=O.O=[Mo](=O)=O.O=[Mo](=O)=O.O[Mo](O)(=O)=O.O[Mo](O)(=O)=O.O[Mo](O)(=O)=O FIXLYHHVMHXSCP-UHFFFAOYSA-H 0.000 claims description 2
- 239000012141 concentrate Substances 0.000 claims description 2
- 238000001035 drying Methods 0.000 claims description 2
- 238000007254 oxidation reaction Methods 0.000 claims description 2
- 239000002002 slurry Substances 0.000 claims description 2
- VNWKTOKETHGBQD-UHFFFAOYSA-N methane Chemical compound C VNWKTOKETHGBQD-UHFFFAOYSA-N 0.000 abstract description 4
- 239000002253 acid Substances 0.000 abstract description 3
- 229910052796 boron Inorganic materials 0.000 abstract description 3
- 229910052802 copper Inorganic materials 0.000 abstract description 3
- 229910052742 iron Inorganic materials 0.000 abstract description 3
- 229910052748 manganese Inorganic materials 0.000 abstract description 3
- 229910052750 molybdenum Inorganic materials 0.000 abstract description 3
- 229910052725 zinc Inorganic materials 0.000 abstract description 3
- 235000008935 nutritious Nutrition 0.000 abstract 1
- 230000001105 regulatory effect Effects 0.000 abstract 1
- 239000000243 solution Substances 0.000 description 8
- 230000012010 growth Effects 0.000 description 7
- 230000000694 effects Effects 0.000 description 5
- 238000003756 stirring Methods 0.000 description 4
- 230000035882 stress Effects 0.000 description 3
- 208000035240 Disease Resistance Diseases 0.000 description 2
- 241000238631 Hexapoda Species 0.000 description 2
- 230000004071 biological effect Effects 0.000 description 2
- 238000013270 controlled release Methods 0.000 description 2
- 230000002708 enhancing effect Effects 0.000 description 2
- 238000000855 fermentation Methods 0.000 description 2
- 230000008014 freezing Effects 0.000 description 2
- 238000007710 freezing Methods 0.000 description 2
- 230000006872 improvement Effects 0.000 description 2
- 230000002262 irrigation Effects 0.000 description 2
- 238000003973 irrigation Methods 0.000 description 2
- 230000002147 killing effect Effects 0.000 description 2
- 230000000813 microbial effect Effects 0.000 description 2
- 239000011259 mixed solution Substances 0.000 description 2
- 230000008569 process Effects 0.000 description 2
- 230000002829 reductive effect Effects 0.000 description 2
- 241001465754 Metazoa Species 0.000 description 1
- XSQUKJJJFZCRTK-UHFFFAOYSA-N Urea Chemical compound NC(N)=O XSQUKJJJFZCRTK-UHFFFAOYSA-N 0.000 description 1
- 150000007513 acids Chemical class 0.000 description 1
- 230000002411 adverse Effects 0.000 description 1
- 150000001298 alcohols Chemical class 0.000 description 1
- 150000001299 aldehydes Chemical class 0.000 description 1
- 150000001413 amino acids Chemical class 0.000 description 1
- 239000003242 anti bacterial agent Substances 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000000975 bioactive effect Effects 0.000 description 1
- 239000004202 carbamide Substances 0.000 description 1
- 239000003245 coal Substances 0.000 description 1
- 238000009833 condensation Methods 0.000 description 1
- 230000005494 condensation Effects 0.000 description 1
- 238000000354 decomposition reaction Methods 0.000 description 1
- 201000010099 disease Diseases 0.000 description 1
- 230000006806 disease prevention Effects 0.000 description 1
- 208000037265 diseases, disorders, signs and symptoms Diseases 0.000 description 1
- 150000002148 esters Chemical class 0.000 description 1
- 230000004151 fermentation Effects 0.000 description 1
- 125000000524 functional group Chemical group 0.000 description 1
- 238000010438 heat treatment Methods 0.000 description 1
- 230000003301 hydrolyzing effect Effects 0.000 description 1
- 150000002576 ketones Chemical class 0.000 description 1
- 239000003077 lignite Substances 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 244000005700 microbiome Species 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 239000005445 natural material Substances 0.000 description 1
- 230000035764 nutrition Effects 0.000 description 1
- 239000003895 organic fertilizer Substances 0.000 description 1
- 238000010525 oxidative degradation reaction Methods 0.000 description 1
- 239000003415 peat Substances 0.000 description 1
- 239000000575 pesticide Substances 0.000 description 1
- 150000002989 phenols Chemical class 0.000 description 1
- 239000005648 plant growth regulator Substances 0.000 description 1
- 230000002265 prevention Effects 0.000 description 1
- 230000001737 promoting effect Effects 0.000 description 1
- 102000004169 proteins and genes Human genes 0.000 description 1
- 108090000623 proteins and genes Proteins 0.000 description 1
- 238000000197 pyrolysis Methods 0.000 description 1
- 239000005871 repellent Substances 0.000 description 1
- 230000002940 repellent Effects 0.000 description 1
- 239000002689 soil Substances 0.000 description 1
- 239000003516 soil conditioner Substances 0.000 description 1
- 238000005507 spraying Methods 0.000 description 1
- 230000002459 sustained effect Effects 0.000 description 1
- 238000013268 sustained release Methods 0.000 description 1
- 230000009897 systematic effect Effects 0.000 description 1
- 230000009466 transformation Effects 0.000 description 1
- 230000000007 visual effect Effects 0.000 description 1
- 235000013343 vitamin Nutrition 0.000 description 1
- 239000011782 vitamin Substances 0.000 description 1
- 229940088594 vitamin Drugs 0.000 description 1
- 229930003231 vitamin Natural products 0.000 description 1
Classifications
-
- C—CHEMISTRY; METALLURGY
- C05—FERTILISERS; MANUFACTURE THEREOF
- C05B—PHOSPHATIC FERTILISERS
- C05B7/00—Fertilisers based essentially on alkali or ammonium orthophosphates
-
- C—CHEMISTRY; METALLURGY
- C05—FERTILISERS; MANUFACTURE THEREOF
- C05G—MIXTURES OF FERTILISERS COVERED INDIVIDUALLY BY DIFFERENT SUBCLASSES OF CLASS C05; MIXTURES OF ONE OR MORE FERTILISERS WITH MATERIALS NOT HAVING A SPECIFIC FERTILISING ACTIVITY, e.g. PESTICIDES, SOIL-CONDITIONERS, WETTING AGENTS; FERTILISERS CHARACTERISED BY THEIR FORM
- C05G3/00—Mixtures of one or more fertilisers with additives not having a specially fertilising activity
-
- C—CHEMISTRY; METALLURGY
- C05—FERTILISERS; MANUFACTURE THEREOF
- C05G—MIXTURES OF FERTILISERS COVERED INDIVIDUALLY BY DIFFERENT SUBCLASSES OF CLASS C05; MIXTURES OF ONE OR MORE FERTILISERS WITH MATERIALS NOT HAVING A SPECIFIC FERTILISING ACTIVITY, e.g. PESTICIDES, SOIL-CONDITIONERS, WETTING AGENTS; FERTILISERS CHARACTERISED BY THEIR FORM
- C05G3/00—Mixtures of one or more fertilisers with additives not having a specially fertilising activity
- C05G3/60—Biocides or preservatives, e.g. disinfectants, pesticides or herbicides; Pest repellants or attractants
-
- 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
-
- C—CHEMISTRY; METALLURGY
- C05—FERTILISERS; MANUFACTURE THEREOF
- C05G—MIXTURES OF FERTILISERS COVERED INDIVIDUALLY BY DIFFERENT SUBCLASSES OF CLASS C05; MIXTURES OF ONE OR MORE FERTILISERS WITH MATERIALS NOT HAVING A SPECIFIC FERTILISING ACTIVITY, e.g. PESTICIDES, SOIL-CONDITIONERS, WETTING AGENTS; FERTILISERS CHARACTERISED BY THEIR FORM
- C05G5/00—Fertilisers characterised by their form
- C05G5/20—Liquid fertilisers
-
- 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
- Y02W—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO WASTEWATER TREATMENT OR WASTE MANAGEMENT
- Y02W30/00—Technologies for solid waste management
- Y02W30/40—Bio-organic fraction processing; Production of fertilisers from the organic fraction of waste or refuse
Abstract
The invention discloses an organic liquid water-soluble fertilizer and a preparation method thereof, and relates to the technical field of agricultural fertilizers. The organic liquid water-soluble fertilizer comprises activated mineral humic acid, wood vinegar liquid, biogas liquid, nutrient elements and N + P 2 O 5 +K 2 O, wherein the nutrient substances are one or more of B, Mn, Cu, Zn, Mo and Fe which are mixed according to any proportion, the fertilizer is prepared from the following raw materials in percentage by weight, 20-60% of biogas liquid, 2-10% of wood vinegar liquid, 4-11% of humic acid, 8-19% of nutrient elements and water, the concentration of the organic matter and the humic acid is 20-60 g/L, the concentration of the nutrient substances is 0-10 g/L, and the concentration of CaO and MgO is 0-20 g/L. The invention relates to an organic liquid water-soluble fertilizer which is an activated mineral sourceHumic acid, wood vinegar liquid, methane liquid and other organic components as main components are compounded, compounded and pH regulated to produce the special efficient ecological multifunctional organic liquid fertilizer with different nutritious element concentration and proportion and suitable for various crops.
Description
Technical Field
The invention relates to the technical field of agricultural fertilizers, in particular to an organic liquid water-soluble fertilizer and a preparation method thereof.
Background
Humic acid is a mixture of organic high molecular compounds containing various functional groups, which is accumulated by organic substances (animal and plant residues) through a series of processes of microbial decomposition and transformation and geochemistry, has the effects of promoting the growth and development of crops, preventing and resisting diseases, enhancing the stress resistance of the crops, increasing the yield, improving the quality of agricultural products, improving the physical and chemical properties of soil, enhancing the fertilizer efficiency and the like, and is a high-quality and high-efficiency biological stimulant.
The mineral humic acid is humic acid extracted from peat, lignite and weathered coal. In China, mineral humic acid is used as a basic raw material, and three kinds of products such as humic acid, nitrohumic acid, humate and the like are developed in hundreds, such as humic acid sustained and controlled release fertilizer, humic acid urea, humic acid-containing water-soluble fertilizer and the like, and the humic acid slow and controlled release fertilizer is a high-quality product for developing green and ecological agriculture.
The pyroligneous liquor is an organic mixture obtained by dry distillation and condensation of wood, is a green product derived from natural substances, contains various organic components such as acids, alcohols, phenols, esters, aldehydes, ketones and the like, and is a systematic substance with complex components, multiple functions and relative stability. The wood vinegar can be used as plant growth regulator, soil conditioner, antibacterial agent, pesticide and repellent in agriculture.
The biogas liquid contains rich nutrient substances such as nutrient elements, amino acids, vitamins, proteins and the like and a plurality of bioactive substances generated by microorganisms in the anaerobic fermentation process, and the substances play an important role in the growth and development of crops and the improvement of the stress resistance of the crops such as freezing resistance, freezing prevention, disease resistance, insect killing and the like, and are high-quality ecological organic fertilizer sources which are extremely popularized in the production of green agricultural products.
The application of mineral source humic acid in agriculture is based on the biological activity of the humic acid, so that the improvement of the chemical activity and the biological activity of the humic acid is a key measure for improving the agricultural effect of the humic acid; the biogas liquid is generated by organic substances in the process of microbial anaerobic fermentation, contains some reductive products, and the reductive products can inhibit the growth and development of crops to a certain extent, even can cause harm to a certain extent and have certain potential safety hazards; the acidity of the pyroligneous liquor is large, the compatibility among all the components is influenced, and the acidity of the pyroligneous liquor must be adjusted according to different proportions of products and requirements of different materials. Therefore, an organic liquid water-soluble fertilizer and a preparation method thereof are urgently needed.
Disclosure of Invention
The invention mainly aims to provide an organic liquid water-soluble fertilizer and a preparation method thereof, and the organic liquid water-soluble fertilizer is prepared into a special, high-efficiency, ecological and multifunctional organic liquid fertilizer which has different nutrient element concentrations and proportions and is suitable for the growth and development requirements of various crops by adopting methods such as complexing, mixing, pH value adjustment and the like according to the nutritional characteristics of different crops.
In order to achieve the purpose, the invention adopts the technical scheme that:
the organic liquid water-soluble fertilizer comprises activated mineral humic acid, wood vinegar, biogas liquid, nutrient elements and N + P 2 O 5 +K 2 O, wherein the nutrient substances are one or more of B, Mn, Cu, Zn, Mo and Fe which are mixed according to any proportion, the fertilizer is prepared from the following raw materials in percentage by weight, 20-60% of biogas liquid, 2-10% of wood vinegar liquid, 4-11% of humic acid, 8-19% of nutrient elements and water, the concentration of the organic matter and the humic acid is 20-60 g/L, the concentration of the nutrient substances is 0-10 g/L, and the concentration of CaO and MgO is 0-20 g/L.
Preferably, said N + P 2 O 5 +K 2 The concentration of O is 200-400 g/L, wherein: the N concentration is 30-140g/L, P 2 O 5 The concentration is 40-120g/L, K 2 The concentration of O is 80-250 g/L.
Preferably, the mass ratio of the humic acid to 15% of KOH is 1:0.5, and the mass ratio of the humic acid to the oxidant (nitric acid with the mass fraction of 40%) is 1: 0.5.
The preparation method of the organic liquid water-soluble fertilizer is realized by the following steps
The method comprises the following steps: biogas liquid treatment
(1) The biogas liquid is put into an aeration tank for aeration treatment, and BOD is used 5 Less than or equal to 20-60 mg/L and H 2 S trace amount is used as an index for determining the aeration degree, and the termination time of aeration is determined;
(2) precipitating the aerated biogas liquid, filtering to remove impurities, and collecting the clarified liquid.
Step two: humic acid activation treatment
(1) Mixing humic acid and water according to the proportion of 1: 2, placing the mixture in a shearing and exposing cylinder at normal temperature for 60-90 min;
(2) transferring the sheared and aerated humic acid into a reaction kettle, adding nitric acid with the mass fraction of 30-50% into the reaction kettle as an oxidant, and reacting for 40-60 min at the temperature of 85 +/-5 ℃ to complete an oxidation reaction;
(3) adding KOH or NaOH with the mass fraction of 10-15% into a reaction kettle, and reacting for 30min at the temperature of 80 +/-5 ℃ to complete the alkaline hydrolysis reaction;
step three: pyroligneous liquor treatment
(1) The wood vinegar liquid with the density of 1.10-1.15 is selected or a natural drying method is adopted to concentrate the wood vinegar liquid to the density of 1.10-1.15.
(2) Adjusting pH of the wood vinegar solution to 5.5-6.5.
Step four: organic liquid water-soluble fertilizer compound
(1) Weighing activated humic acid solution, biogas slurry and wood vinegar, and placing in a compounding tank;
(2) calculating and weighing required large amount of nutrient elements, medium amount of nutrient elements, trace nutrient elements and complexing agents according to the nutritional characteristics of different crops, and placing the obtained product in a compounding tank to complete mixing and complexing reaction;
(3) measuring pH with 1.0mol/L HNO 3 、H 3 PO 4 KOH and NaOH are used for adjusting the organic liquid fertilizer to a proper pH value.
Preferably, the raw material of the nutrient element used in the fourth step is (NH) 2 ) 2 CO、NH 4 H 2 PO 4 、KH 2 PO 4 、K 2 HPO 4 、KCl、KNO 3 、CaCl 2 、MgSO 4 .7H 2 O、H 3 BO 3 、MnSO 4 .4H 2 O、ZnSO 4 .7H 2 O、(NH 4 ) 6 Mo 7 O 24 .4H 2 O、FeSO 4 .7H 2 O。
Preferably, the complexing agent used in the fourth step is ethylenediamine tetraacetic acid (EDTA), ethylenediamine pentaacetic acid (DTPA), iminodisuccinic acid (IDS), Polyaspartic Acid (PASP), or the like.
The invention has the following beneficial effects:
1. the invention relates to an organic liquid water-soluble fertilizer, which is an efficient, ecological and multifunctional organic liquid water-soluble fertilizer taking activated mineral humic acid, wood vinegar liquid, methane liquid and other organic components as main bodies and matched with nutrient elements.
2. The organic liquid water-soluble fertilizer disclosed by the invention is used for carrying out aeration treatment on the biogas liquid at a certain depth, eliminating reducing substances existing in the biogas liquid and removing impurities so as to improve the visual effect of the product and eliminate the adverse effect of the product on the growth and development of crops.
3. The organic liquid water-soluble fertilizer is concentrated and the pH value of the wood vinegar liquid is adjusted to improve the concentration of the effective components and improve the compatibility with other components.
4. The organic liquid water-soluble fertilizer disclosed by the invention optimizes the proportion of organic components and nutrient elements, and is prepared into an efficient, ecological and multifunctional organic liquid water-soluble fertilizer which is suitable for the growth and development requirements of various crops and can be used for foliage spraying, drip irrigation and irrigation.
Detailed Description
The following detailed description of the preferred embodiments of the present invention is provided to enable those skilled in the art to more readily understand the advantages and features of the present invention and to clearly and unequivocally define the scope of the present invention.
Example one
The organic liquid water-soluble fertilizer comprises activated mineral humic acid, wood vinegar, biogas liquid, nutrient elements and N + P 2 O 5 +K 2 O, wherein the nutrient substances are one or more of B, Mn, Cu, Zn, Mo and Fe which are mixed according to any proportion, and the fertilizer is prepared by the following raw materials in percentage by weight20-60% of biogas liquid, 2-10% of wood vinegar liquid, 4-11% of humic acid, 8-19% of nutrient elements and water, wherein the concentration of the organic matter and the humic acid is 20-60 g/L, the concentration of the nutrient substances is 0-10 g/L, and the concentration of CaO and MgO is 0-20 g/L.
The N + P 2 O 5 +K 2 The concentration of O is 200-400 g/L, wherein: the N concentration is 30-140g/L, P 2 O 5 The concentration is 40-120g/L, K 2 The concentration of O is 80-250 g/L.
The mass ratio of the humic acid to KOH with the mass fraction of 15% is 1:0.5, and the mass ratio of the humic acid to the oxidant (nitric acid with the mass fraction of 40%) is 1: 0.5.
Example two
The preparation method of the organic liquid water-soluble fertilizer comprises the following steps:
step one, biogas liquid treatment:
the biogas liquid is put into an aeration tank for aeration treatment when the biogas liquid is BOD 5 Less than or equal to 20-60 mg/L and H 2 And when the trace amount of S is detected, ending aeration, precipitating the aerated biogas liquid, filtering to remove impurities, and collecting clear liquid.
Step two, humic acid activation treatment:
(1) adding 200Kg of water into a shearing and aerating cylinder, weighing 100Kg of mineral humic acid, placing the mineral humic acid into the shearing and aerating cylinder, and treating for 60-90 min at normal temperature;
(2) transferring the sheared and aerated humic acid into a reaction kettle, adding 50Kg of nitric acid with the mass fraction of 40% into the reaction kettle according to the mass ratio of 1:0.5 of the humic acid to the oxidant (nitric acid with the mass fraction of 40%), and reacting for 40-60 min at the temperature of 85 +/-5 ℃ to finish the oxidative degradation reaction;
(3) adding 50Kg of KOH with the mass fraction of 15% into a reaction kettle according to the mass ratio of the humic acid to the KOH with the mass fraction of 15% to be 1:0.5, and hydrolyzing for 30min at the temperature of 80 +/-5 ℃ to obtain the activated humic acid.
Step three, pyroligneous liquor treatment:
adjusting pH of the wood vinegar solution to 5.5-6.5.
Step four, fertilizer compounding:
(1) in No. 1 compounding tankAdding 200Kg of biogas liquid and K 2 HPO 4 160Kg and 90Kg of KCl are heated to 60-80 ℃ and stirred until dissolved, thus obtaining solution A.
(2) 100Kg of biogas liquid and H are added into a No. 2 compound tank 3 BO 3 30Kg，ZnSO 4 .7H 2 Heating O20 Kg and EDTA 25Kg to 60-80 deg.c, stirring, dissolving and complexing to obtain solution B.
(3) And adding the solution B into the solution A, and stirring and uniformly mixing to obtain a mixed solution.
(3) Adding 300Kg of activated humic acid solution into the mixed solution, and stirring uniformly.
(4) Adding (NH) 2 ) 2 CO 230Kg, stirred until completely dissolved.
(5) Adding 60Kg of concentrated and pH-adjusted wood vinegar, and stirring well.
(6) Measuring the pH value and adjusting the pH value to 6.5-7.5.
The organic liquid water-soluble fertilizer comprises the following components in percentage by weight:
the mass fraction of the biogas liquid is 25 percent;
the mass fraction of the wood vinegar is 5 percent;
humic acid mass fraction is 3.8%;
the content of organic matters and humic acid is more than or equal to 30 g/L;
N+P 2 O 5 +K 2 O≥300g/L；
wherein: n is more than or equal to 100g/L, P 2 O 5 ≥60g/L、K 2 O≥140g/L；
Zn≥4g/L；
B≥5g/L。
The organic liquid water-soluble fertilizer can be prepared into a special, efficient, ecological and multifunctional organic liquid fertilizer which has different nutrient element concentrations and proportions and is suitable for the growth and development requirements of various crops by adopting methods of complexing, mixing, pH value adjustment and the like according to the nutritional characteristics of different crops, and has the effects of disease resistance, disease prevention, insect killing, nutrition and stress resistance.
The preferred embodiments of the invention disclosed above are intended to be illustrative only. The preferred embodiments are not intended to be exhaustive or to limit the invention to the precise embodiments disclosed. Obviously, many modifications and variations are possible in light of the above teaching. The embodiments were chosen and described in order to best explain the principles of the invention and the practical application, to thereby enable others skilled in the art to best utilize the invention. The invention is limited only by the claims and their full scope and equivalents.
Claims (6)
1. The water-soluble fertilizer of organic liquid, its characterized in that: comprises activated mineral humic acid, wood vinegar, biogas liquid, nutrient elements and N + P 2 O 5 +K 2 The fertilizer is prepared from the following raw materials in percentage by weight, 20-60% of biogas liquid, 2-10% of wood vinegar liquid, 4-11% of humic acid, 8-19% of nutrient elements and water, wherein the concentration of the organic matter and the humic acid is 20-60 g/L, the concentration of the nutrient substances is 0-10 g/L, and the concentration of CaO and MgO is 0-20 g/L.
2. The organic liquid water-soluble fertilizer according to claim 1, wherein: the N + P 2 O 5 +K 2 The concentration of O is 200-400 g/L, wherein: the N concentration is 30-140g/L, P 2 O 5 The concentration is 40-120g/L, K 2 The concentration of O is 80-250 g/L.
3. The organic liquid water-soluble fertilizer according to claim 1, wherein: the mass ratio of the humic acid to KOH with the mass fraction of 15% is 1:0.5, and the mass ratio of the humic acid to the oxidant (nitric acid with the mass fraction of 40%) is 1: 0.5.
4. The method for preparing the organic liquid water-soluble fertilizer according to claim 1, characterized by comprising the steps of:
the method comprises the following steps: biogas liquid treatment
(1) The biogas liquid is put into an aeration tank for aeration treatment by BOD 5 Less than or equal to 20-60 mg/L and H 2 S traceThe amount is used as an index for determining the aeration degree, and the termination time of aeration is determined;
(2) precipitating the aerated biogas liquid, filtering to remove impurities, and collecting the clarified liquid.
Step two: humic acid activation treatment
(1) Mixing humic acid and water according to the proportion of 1: 2, placing the mixture in a shearing and exposing cylinder at normal temperature for 60-90 min;
(2) transferring the sheared and aerated humic acid into a reaction kettle, adding nitric acid with the mass fraction of 30-50% into the reaction kettle as an oxidant, and reacting for 40-60 min at the temperature of 85 +/-5 ℃ to complete an oxidation reaction;
(3) adding KOH or NaOH with the mass fraction of 10-15% into a reaction kettle, and reacting for 30min at the temperature of 80 +/-5 ℃ to complete the alkaline hydrolysis reaction;
step three: pyroligneous liquor treatment
(1) The wood vinegar liquid with the density of 1.10-1.15 is selected or a natural drying method is adopted to concentrate the wood vinegar liquid to the density of 1.10-1.15.
(2) Adjusting pH of the wood vinegar solution to 5.5-6.5.
Step four: organic liquid water-soluble fertilizer compound
(1) Weighing activated humic acid solution, biogas slurry and wood vinegar, and placing in a compounding tank;
(2) calculating and weighing required large amount of nutrient elements, medium amount of nutrient elements, trace nutrient elements and complexing agents according to the nutritional characteristics of different crops, and placing the obtained product in a compounding tank to complete mixing and complexing reaction;
(3) measuring pH with 1.0mol/L HNO 3 、H 3 PO 4 KOH and NaOH are used for adjusting the organic liquid fertilizer to a proper pH value.
5. The preparation method of the organic liquid water-soluble fertilizer according to claim 4, characterized by comprising the following steps: the raw material of the nutrient element used in the fourth step is (NH) 2 ) 2 CO、NH 4 H 2 PO 4 、KH 2 PO 4 、K 2 HPO 4 、KCl、KNO 3 、CaCl 2 、MgSO 4 .7H 2 O、H 3 BO 3 、MnSO 4 .4H 2 O、ZnSO 4 .7H 2 O、(NH 4 ) 6 Mo 7 O 24 .4H 2 O、FeSO 4 .7H 2 O。
6. The method for preparing the organic liquid water-soluble fertilizer according to claim 4, characterized by comprising the following steps: the complexing agent used in the fourth step is ethylenediamine tetraacetic acid (EDTA), ethylenediamine pentaacetic acid (DTPA), iminodisuccinic acid (IDS), Polyaspartic Acid (PASP) and the like.
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