CN102219596A - Biogas slurry drip irrigation fertilizer and preparation method thereof - Google Patents
Biogas slurry drip irrigation fertilizer and preparation method thereof Download PDFInfo
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Abstract
The invention relates to a biogas slurry drip irrigation fertilizer and a preparation method thereof. The fertilizer is prepared from the following raw materials, parts by weight, 100 parts of condensed biogas slurry, 1 to 5 parts of potassium humate, 4 to 10 parts of monopotassium phosphate, 1 to 5 parts of potassium chloride, 0.5 to 2.0 parts of an emulsifier, 0.1 to 0.3 parts of a defoaming agent, and 0.5 to 2 parts of trace elements through steps of vacuum condensation, heating to dissolve, emulsification, filtering, sand milling by a sand mill, canning and the like. The prepared drip irrigation fertilizer, which contains various amino acids, humic acid, nitrogen, phosphor, potassium and traces elements such as iron, zinc, boron and the like required by the growth of crops, vegetables and fruits, allows the commodification of the biogas slurry to be greatly improved and the problem of secondary pollution of the biogas engineering caused by the low utilization rate of the biogas slurry to be solved, has the advantages of simple application and high economic benefit, can be easily popularized, and is suitable for large area popularization in large, medium and small type biogas engineering, family-size biogas tanks, sunlight greenhouse fruits and vegetables, and crop planting areas.
Description
Technical field
The present invention relates to a kind of natural pond drop and irritate fertilizer and preparation method thereof, belong to natural pond liquid fertilizer material technical field.
Background technology
Progress and development along with society; people are increasing to the demand of the energy; biogas has obtained in vast rural area using widely as renewable energy source; simultaneously along with the livestock breeding industry of China direction towards mass-producing, intensification develops; the quantity of big-and-middle-sized biogas engineering also grows with each passing day, but has also brought a series of problem.
No matter be methane-generating pit for farm household, still big-and-middle-sized biogas engineering except that producing new forms of energy-biogas, also can produce a large amount of natural pond liquid in operation process.Natural pond liquid is good organic fertilizer, discover and contain plant required nutritive element N, P, K, Ca, Mg, Cu, Fe, Zn, Mn, B etc. in the fertilizer of natural pond, also contain 10 multiple amino acids (as Threonine, Xie Ansuan, phenylalanine, Methionin, arginine, leucine, Isoleucine etc.), cold-resistant material (as proline(Pro), linolic acid, xanthohumic acid etc.), growth stimulant (as dormin, growth hormone, Plant hormones regulators,gibberellins etc.), vitamin B group and some antibiotic etc., have the prospect that fully utilizes widely.But by the end of the year in 2009, whole nation methane-generating pit for farm household (below 12 cubes) accumulative total recoverable amount reaches 3507.03 ten thousand families, handle large-sized biogas engineering (more than 500 cubic metres) 322 places of trade waste, handle the large, medium and small biogas engineering of agricultural wastes 56534 places.The running of so many domestic methane tank and large, medium and small biogas engineering has produced a large amount of natural pond liquid, the method for using because of natural pond liquid at present seldom, most of natural pond liquid arbitrarily discharges and causes secondary pollution.
The patent No. is to have mentioned a kind of natural pond drop fill system that comprises liquid precipitate pond, natural pond, filtration unit and drip irrigation appliance in 200910146926.0 " a kind of natural pond drop is irritated fertilization system ", but do not mention that natural pond liquid prepares the method for drip irrigation fertilizer, the patent No. is to have mentioned in 200610155376.5 " safety and nuisance-free bio-gas liquid application methods " vegetables are carried out safety and nuisance-free bio-gas liquid application method, but just with natural pond liquid as base manure or topdress, do not mention drip irrigation.Comprise the record that natural pond of the present invention liquid prepares the drip irrigation fertilizer method through consulting domestic and international pertinent literature, finding no.
Summary of the invention
According to the problem that the liquid utilization of current natural pond exists, the invention provides a kind of natural pond drop and irritate fertilizer and preparation method thereof.
Technical scheme of the present invention is as follows:
A kind of natural pond drop is irritated fertilizer, is to be made by following weight part raw material:
Concentrate 100 parts of natural pond liquid, potassium humate 1-5 part, urea 5-15 part, potassium primary phosphate 4-10 part, Repone K 1-5 part, emulsifying agent 0.5-2.0 part, defoamer 0.1-0.3 part, micro-0.5-2 part.
Described concentrated natural pond liquid is the fresh natural pond liquid of taking from the methane-generating pit of normal gas producing more than 1 month, and vacuum concentration to water ratio is 65-75wt%.Liquid spontaneous fermentation in methane-generating pit in natural pond can make it be rich in organic nutrient more than 1 month.
Described trace element is the combination by mass ratio 0.9-1: 0.5-0.6: 0.3-0.4: 0.2-0.3 of calcium, iron, zinc, boron; Particularly preferred, described trace element is a chelated microelements, i.e. chelating calcium, chelated iron, chelating zinc, the chelating boron combination of pressing mass ratio 0.9-1: 0.5-0.6: 0.3-0.4: 0.2-0.3.
Described emulsifying agent is a tween 80.
Described defoamer is a silicone antifoam agent.
Described potassium humate, urea, potassium primary phosphate, Repone K all are commercially available conventional reagent.
According to the present invention, a kind of natural pond drop is irritated fertilizer, and preferred weight part is composed as follows:
Concentrate 100 parts of natural pond liquid, 4 parts of potassium humates, 8 parts in urea, 6 parts of potassium primary phosphates, 3 parts in Repone K, 800.6 parts of emulsifier tweens, 0.1 part of silicone antifoam agent, 1.0 parts of chelated microelements;
Described chelated microelements is chelating calcium, chelated iron, chelating zinc, chelating boron by mass ratio 1: 0.5: 0.4: 0.3 combination;
Described concentrated natural pond liquid water ratio is 70wt%.
According to the present invention, a kind of natural pond drop is irritated fertilizer, and preferred weight part is composed as follows:
Concentrate 100 parts of natural pond liquid, 5 parts of potassium humates, 7 parts in urea, 8 parts of potassium primary phosphates, 4 parts in Repone K, 801.0 parts of emulsifier tweens, 0.2 part of silicone antifoam agent, 1.2 parts of chelated microelements;
Described chelated microelements is chelating calcium, chelated iron, chelating zinc, chelating boron by mass ratio 1: 0.6: 0.5: 0.4 combination;
Described concentrated natural pond liquid water ratio is 68wt%.
According to the present invention, a kind of natural pond drop is irritated fertilizer, and preferred weight part is composed as follows:
Concentrate 100 parts of natural pond liquid, 3 parts of potassium humates, 10 parts in urea, 9 parts of potassium primary phosphates, 3 parts in Repone K, 801.5 parts of emulsifier tweens, 0.2 part of silicone antifoam agent, 1.5 parts of chelated microelements;
Described chelated microelements is chelating calcium, chelated iron, chelating zinc, chelating boron by mass ratio 1: 0.5: 0.3: 0.2 combination;
Described concentrated natural pond liquid water ratio is 72wt%.
According to the present invention, described natural pond drop is irritated the preparation method of fertilizer, and step is as follows:
(1) vacuum concentration
Get the fresh natural pond liquid of normal gas producing methane-generating pit more than 1 month, add No. 1 reactor, vacuumize and be warming up to 60-75 ℃, pressure is 0.7-0.8 * 10
5Pa, concentration time is 0.8-1.2h, being concentrated into natural pond liquid water ratio is 65-75wt%.
(2) heating for dissolving
Natural pond liquid after concentrating is added No. 2 reactors, start stirring, once drop into urea, potassium primary phosphate, Repone K, trace element, defoamer, temperature remains on 60-75 ℃, stirs 20-40min, dissolves and mixes.
(3) emulsification
The raw material that mixed dissolution is good is squeezed into reactor No. 3, starts mulser, adds potassium humate and emulsifying agent, and keeping temperature is 60-75 ℃, stirring and emulsifying 10-15min; Get mix emulsion fluid.
(4) filter
The mix emulsion fluid of step (3) is cooled to 40-50 ℃, filters for the 0.7-1.2mm deep bed filter with pore size, the residue that leaches can apply the farmland as organic fertilizer;
(5) the filtrate adding sand mill with step (4) carries out sand milling, enters then in the finished product jar to store, and is cooled to normal temperature, and is canned.
Drip irrigation fertilizer also has small amount of crystalline body and small particulate matter behind step (4) dissolution filter, these particulate matter can be ground by sand mill levigate, in case clogging drip irrigation pipe during drip irrigation.
The employed equipment of above method is this area conventional equipment.
The natural pond liquid that the present invention adopts can be the natural pond liquid in the large, medium and small biogas engineering, also can be natural pond liquid in the domestic methane tank, and the biogas engineering raw material can be feces of livestock and poultry, also can be agricultural crop straw, requires the natural pond liquid of fermentation more than 1 month.
Compared with prior art, product of the present invention is a liquid form, uses convenient and strength-savingly as drip irrigation fertilizer, and the effect of increasing production and improying productivity obviously.Concrete advantage is as follows:
1, the present invention is a raw material with natural pond liquid in large, medium and small biogas engineering or the domestic methane tank, by vacuum concentration, heating for dissolving, emulsification, filtration, sand mill sand milling, finished product tank stores, step such as canned, the drip irrigation fertilizer of producing contains trace elements such as the needed multiple amino acids of growth, humic acids, nitrogen, phosphorus, potassium and calcium, iron, zinc, boron such as crop, vegetables, fruit, greatly improved the commodity of natural pond liquid, can solve biogas engineering natural pond liquid and cause secondary pollution problem because of utilization ratio is low.
2, the inventive method is simple, and facility investment is few, and production cost is cheap relatively, the Shandong Province at present only Shouguang City 800,000 booths are just arranged, also have a large amount of fruit trees and field crop simultaneously, the natural pond drop of production is irritated fertilizer and is easy to apply, product market competitiveness is strong.
3, method of the present invention produces commodity drip irrigation fertilizer with natural pond liquid, is the utilization more rationally to waste, can turn waste into wealth; the protection environment; produced simultaneously natural pond drop filling fertilizer is applied to the farmland, booth can improve crop, vegetables and fruits quality, promotes the ecological agriculture, promotes increasing peasant income.The state basic policy of the Sustainable development of simultaneous adaptation China, recycling economy promotes recycling economy and Sustainable development.
4, present method has good economic benefits.Owing to do not use chemical fertilizer and agricultural chemicals, and the fertilizer efficiency that the natural pond drop is irritated fertile is better than common farm manure and chemical fertilizer, and the quality of the vegetables and fruits of being produced all obviously is better than using the vegetables and fruits of common chemical fertilizer, and output also improves a lot.Use the natural pond drop and irritate fertile, each booth is annual increases income 15000～20000 yuan than what adopt common measures.
In sum, a kind of natural pond provided by the invention drop is irritated fertilizer and preparation method thereof, uses easy, economic benefit is high, be easy to popularize, and is suitable for large, medium and small biogas engineering, domestic methane tank and heliogreenhouse vegetables and fruits, the big area popularization of crop-planting area.
Be not particularly limited in the method for the present invention, select to get final product by this area routine techniques.
Embodiment
The present invention will be further described below in conjunction with embodiment, among the embodiment not in detail the explanation all by state of the art, used emulsifying agent is tween 80 (Guangzhou easy chemical industry in morning company limited product) among the embodiment, defoamer is silicone antifoam agent (Dongguan City Australia reaches chemical industry company limited and produces), fertilizer of chelated calcium, the wooden korean pine agricultural science and technology in Shenyang five company limited sells; The chelating iron fertilizer, Biology Science Co., Ltd of Shaanxi Yang Ling Australia nation is on sale; Fertilizer of chelated zinc, Wuhan Green Kai Er company is on sale; The chelating boron fertilizer, Ai Gerui Bioisystech Co., Ltd in Heilungkiang is on sale.Other raw materials do not add the commercially available conventional reagent of being of special instruction.
No. 1 reactor among the embodiment preparation method is the chuck enamel reaction still, and dragon Xinghua, Shandong construction machinery Group Co.,Ltd is on sale.No. 2 reactor is all identical with volume with No. 1 reactor model, the band whipping appts; No. 3 reactor is all identical with volume with No. 2 reactor models, only will stir configuration and change the emulsification configuration into.Vacuum pump is a ZJ type Roots type vacuum pump, and outstanding mechanical means factory of Wuxi City nation is on sale.Deep bed filter is single deep bed filter (model 40AM) that water chestnut field, Guangzhou filter plant company limited produces.Sand mill is the SK20 sand mill that dragon Xinghua, Shandong construction machinery Group Co.,Ltd produces.
Embodiment 1: the natural pond drop is irritated fertilizer, and feed composition is as follows:
Concentrate natural pond liquid 100kg, potassium humate 4kg, urea 8kg, potassium primary phosphate 6kg, Repone K 3kg, emulsifying agent 0.6kg, defoamer 0.1kg, chelated microelements 1.0kg.Described chelated microelements is chelating calcium, chelated iron, chelating zinc, chelating boron by mass ratio 1: 0.5: 0.4: 0.3 combination.Concentrating natural pond liquid water ratio is 70wt%.
The preparation method is as follows:
With the fresh natural pond liquid of the methane-generating pit of normal gas producing, spontaneous fermentation added No. 1 reactor more than 1 month in methane-generating pit, vacuumized and was warming up to 65 ℃, and pressure is 0.7 * 10
5Pa, concentration time is 1h, being concentrated into natural pond liquid water ratio is 70wt%.Natural pond liquid after concentrating is added No. 2 reactors, start stirring, once drop into urea, potassium primary phosphate, Repone K, chelated microelements, defoamer, temperature remains on 65 ℃, stirs 25min, dissolves and mixes; The raw material that mixed dissolution is good is squeezed into reactor No. 3, starts mulser, adds potassium humate and emulsifying agent, and keeping temperature is 65 ℃, stirring and emulsifying 10min; Get mix emulsion fluid; Mix emulsion fluid is cooled to 40 ℃, filters for the 0.7-1.2mm deep bed filter with pore size, the residue that leaches can apply the farmland as organic fertilizer; The filtrate of above-mentioned gained is added sand mill carry out sand milling, enter then in the finished product jar and store; Be cooled to normal temperature, canned.
Embodiment 2: the preparation method is identical with embodiment 1, and different is that feed composition is as follows:
Concentrate natural pond liquid 100kg, potassium humate 5kg, urea 7kg, potassium primary phosphate 8kg, Repone K 4kg, emulsifying agent 1.0kg, defoamer 0.2kg, chelated microelements 1.2kg.
Described chelated microelements is chelating calcium, chelated iron, chelating zinc, chelating boron by mass ratio 1: 0.6: 0.5: 0.4 combination.
Described concentrated natural pond liquid be the fresh natural pond liquid of methane-generating pit that will take from normal gas producing spontaneous fermentation is more than 1 month in methane-generating pit, through vacuum concentration, water ratio is 68wt%.
Embodiment 3: the preparation method is identical with embodiment 1, and different is that feed composition is as follows:
Concentrate natural pond liquid 100kg, potassium humate 3kg, urea 10kg, potassium primary phosphate 9kg, Repone K 3kg, emulsifying agent 1.5kg, defoamer 0.2kg, chelated microelements 1.5kg.
Described chelated microelements is chelating calcium, chelated iron, chelating zinc, chelating boron by mass ratio 1: 0.5: 0.3: 0.2 combination.
Described concentrated natural pond liquid be the fresh natural pond liquid of methane-generating pit that will take from normal gas producing spontaneous fermentation is more than 1 month in methane-generating pit, through vacuum concentration, water ratio is 72wt%.
Embodiment 4: the manure trial of strawberry heliogreenhouse
Be that checking natural pond drop irritates fertile application effect, we had carried out strawberry heliogreenhouse natural pond drop and have irritated fat effect test in 2010, and test site is selected in Licheng District Guo Dian town, Jinan City.
Existing 80 the strawberry heliogreenhouses in this town are selected 9 heliogreenhouses, 1.2 mu of each canopy floor spaces, and base manure is identical, and strawberry cultivars is identical, establishes 3 processing, 3 repetitions.Handle 1: the natural pond drop of embodiment 1 irritates fertile, each canopy strawberry vegetative period every 10 days drip irrigations 1 time, each 5L, 50L altogether; Handle 2: common fertilizer drip irrigation, each canopy strawberry vegetative period every 10 days drip irrigations 1 time, each 5L, 50L altogether; Handle 3: peasant habit topdresses, chemical fertilizer 200kg.
Test in November 10 beginning, April 10 end of day, each treatment effect sees the following form 1.
Table 1 drip irrigation fertilizer and chemical fertilizer are handled the influence to strawberry fruit output, quality and performance indicator
As can be seen from the test results, use natural pond drop filling fertilizer and carry out drip irrigation, than significantly volume increase of peasant habit fertilising (using chemical fertilizer merely), every mu is increased production 900 kilograms, volume increase 33.3%, quality has greatly improved and improves simultaneously, and unit price improves 3.0 yuan/kilogram, and each canopy economic benefit improves 16900 yuan; Compare with the general goods fertilizer, every mu is increased production 280 kilograms of strawberries, volume increase 8.4%, and quality has greatly improved and improves simultaneously, and unit price improves 2.0 yuan, 5890 yuan of each canopy economic benefit raisings.
In sum, the natural pond drop is irritated fertile heliogreenhouse strawberry output is improved a lot, the strawberry quality is had greatly improved, obviously be better than common fertilizer and chemical fertilizer, therefore, irritate fertile by the natural pond drop of this explained hereafter, can reduce fertilizer amount significantly, significantly improve the output of strawberry, improve its quality, alleviate owing to use the groundwater pollution that chemical fertilizer causes in a large number, have tangible economy and environmental benefit.
Embodiment 5: the manure trial of tomato heliogreenhouse
Be that checking natural pond drop irritates fertile application effect, we had carried out tomato heliogreenhouse natural pond drop and have irritated fat effect test in 2010, and test site is selected in rice field, Shouguang City town.
Select 9 heliogreenhouses, 1.0 mu of each canopy floor spaces, base manure is identical, and tomato variety is identical, establishes 3 processing, 3 repetitions.Handle 1: the natural pond drop of embodiment 1 irritates fertile, each canopy at tomato growth stage every 7 days drip irrigations 1 time, each 4L, 40L altogether; Handle 2: common fertilizer drip irrigation, each canopy at tomato growth stage every 7 days drip irrigations 1 time, each 4L, 40L altogether; Handle 3: peasant habit topdresses, chemical fertilizer 180kg.
Test in November 10 beginning, April 10 end of day, each treatment effect sees the following form 2.
Table 2 drip irrigation fertilizer and chemical fertilizer are handled the influence to tomato fruit output, quality and performance indicator
As can be seen from the test results, use natural pond drop filling fertilizer and carry out drip irrigation, than significantly volume increase of peasant habit fertilising (using chemical fertilizer merely), every mu is increased production 1000 kilograms, volume increase 16.7%, quality has greatly improved and improves simultaneously, and unit price improves 2.0 yuan/kilogram, and each canopy economic benefit improves 17800 yuan; Compare with common fertilizer, every mu is increased production 200 kilograms of strawberries, volume increase 2.9%, and quality has greatly improved and improves simultaneously, and unit price improves 1.0 yuan/kilogram, 8100 yuan of each canopy economic benefit raisings.
In sum, the natural pond drop is irritated fertile the heliogreenhouse tomato yield is improved a lot, Tomato Quality is had greatly improved, obviously be better than common fertilizer and chemical fertilizer, therefore, irritate fertile by the natural pond drop of this explained hereafter, can reduce fertilizer amount significantly, significantly improve the output of tomato, improve its quality, alleviate owing to use the groundwater pollution that chemical fertilizer causes in a large number, have tangible economy and environmental benefit.
Claims (9)
1. a natural pond drop is irritated fertilizer, it is characterized in that, be to make by following weight part raw material:
Concentrate 100 parts of natural pond liquid, potassium humate 1-5 part, urea 5-15 part, potassium primary phosphate 4-10 part, Repone K 1-5 part, emulsifying agent 0.5-2.0 part, defoamer 0.1-0.3 part, micro-0.5-2 part;
Described concentrated natural pond liquid is the fresh natural pond liquid of taking from normal gas producing methane-generating pit more than 1 month, and vacuum concentration to water ratio is 65-75wt%;
Described trace element is the combination by mass ratio 0.9-1: 0.5-0.6: 0.3-0.4: 0.2-0.3 of calcium, iron, zinc, boron.
2. natural pond as claimed in claim 1 drop is irritated fertilizer, it is characterized in that described trace element is a chelated microelements, i.e. chelating calcium, chelated iron, chelating zinc, the chelating boron combination of pressing mass ratio 0.9-1: 0.5-0.6: 0.3-0.4: 0.2-0.3.
3. natural pond as claimed in claim 1 drop is irritated fertilizer, it is characterized in that described emulsifying agent is an emulsifier tween 80.
4. natural pond as claimed in claim 1 drop is irritated fertilizer, it is characterized in that described defoamer is a silicone antifoam agent.
5. irritate fertilizer as each described natural pond drop of claim 1-4, it is characterized in that, be to make: concentrate 100 parts of natural pond liquid by following weight part raw material, 4 parts of potassium humates, 8 parts in urea, 6 parts of potassium primary phosphates, 3 parts in Repone K, 800.6 parts of emulsifier tweens, 0.1 part of silicone antifoam agent, 1.0 parts of chelated microelements;
Described chelated microelements is chelating calcium, chelated iron, chelating zinc, chelating boron by mass ratio 1: 0.5: 0.4: 0.3 combination;
Described concentrated natural pond liquid water ratio is 70wt%.
6. irritate fertilizer as each described natural pond drop of claim 1-4, it is characterized in that, be to make: concentrate 100 parts of natural pond liquid by following weight part raw material, 5 parts of potassium humates, 7 parts in urea, 8 parts of potassium primary phosphates, 4 parts in Repone K, 801.0 parts of emulsifier tweens, 0.2 part of silicone antifoam agent, 1.2 parts of chelated microelements;
Described chelated microelements is chelating calcium, chelated iron, chelating zinc, chelating boron by mass ratio 1: 0.6: 0.5: 0.4 combination;
Described concentrated natural pond liquid water ratio is 68wt%.
7. irritate fertilizer as each described natural pond drop of claim 1-4, it is characterized in that, be to make: concentrate 100 parts of natural pond liquid by following weight part raw material, 3 parts of potassium humates, 10 parts in urea, 9 parts of potassium primary phosphates, 3 parts in Repone K, 801.5 parts of emulsifier tweens, 0.2 part of silicone antifoam agent, 1.5 parts of chelated microelements;
Described chelated microelements is chelating calcium, chelated iron, chelating zinc, chelating boron by mass ratio 1: 0.5: 0.3: 0.2 combination;
Described concentrated natural pond liquid water ratio is 72wt%.
8. irritate the preparation method of fertilizer as each described natural pond drop of claim 1-7, it is characterized in that step is as follows:
(1) vacuum concentration
Fresh natural pond liquid with normal gas producing methane-generating pit more than 1 month adds No. 1 reactor, vacuumizes and is warming up to 60-75 ℃, and pressure is 0.7-0.8 * 10
5Pa, concentration time is 0.8-1.2h, being concentrated into natural pond liquid water ratio is 65-75wt%;
(2) heating for dissolving
Natural pond liquid after concentrating is added No. 2 reactors, start stirring, once drop into urea, potassium primary phosphate, Repone K, trace element, defoamer, temperature remains on 60-75 ℃, stirs 20-40min, dissolves and mixes;
(3) emulsification
The raw material that mixed dissolution is good is squeezed into reactor No. 3, starts mulser, adds potassium humate and emulsifying agent, and keeping temperature is 60-75 ℃, stirring and emulsifying 10-15min; Get mix emulsion fluid;
(4) filter
The mix emulsion fluid of step (3) is cooled to 40-50 ℃, filters for the 0.7-1.2mm deep bed filter with pore size, the residue that leaches can apply the farmland as organic fertilizer;
(5) the filtrate adding sand mill with step (4) carries out sand milling, enters then in the finished product jar to store; Be cooled to normal temperature, canned.
9. irritating fertilizer as each described natural pond drop of claim 1-4, it is characterized in that, is to be made by following raw material:
Concentrate natural pond liquid 100kg, potassium humate 4kg, urea 8kg, potassium primary phosphate 6kg, Repone K 3kg, emulsifying agent 0.6kg, defoamer 0.1kg, chelated microelements 1.0kg; Described chelated microelements is chelating calcium, chelated iron, chelating zinc, chelating boron by mass ratio 1: 0.5: 0.4: 0.3 combination;
Be prepared as follows and form:
Fresh natural pond liquid with the methane-generating pit of normal gas producing more than 1 month adds No. 1 reactor, vacuumizes and is warming up to 65 ℃, and pressure is 0.7 * 10
5Pa, concentration time is 1h, being concentrated into natural pond liquid water ratio is 70wt%; Natural pond liquid after concentrating is added No. 2 reactors, start stirring, once drop into urea, potassium primary phosphate, Repone K, chelated microelements, defoamer, temperature remains on 65 ℃, stirs 25min, dissolves and mixes; The raw material that mixed dissolution is good is squeezed into reactor No. 3, starts mulser, adds potassium humate and emulsifying agent, and keeping temperature is 65 ℃, stirring and emulsifying 10min; Get mix emulsion fluid; Mix emulsion fluid is cooled to 40 ℃, filters for the 0.7-1.2mm deep bed filter with pore size, the residue that leaches can apply the farmland as organic fertilizer; The filtrate of above-mentioned gained is added sand mill carry out sand milling, enter then in the finished product jar and store; Be cooled to normal temperature, canned.
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