CN106892746A - A kind of efficient biogas slurry fertilizer and preparation method thereof - Google Patents
A kind of efficient biogas slurry fertilizer and preparation method thereof Download PDFInfo
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- C—CHEMISTRY; METALLURGY
- C05—FERTILISERS; MANUFACTURE THEREOF
- C05B—PHOSPHATIC FERTILISERS
- C05B7/00—Fertilisers based essentially on alkali or ammonium orthophosphates
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- 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
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- 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
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- 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
- C05G5/23—Solutions
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Abstract
The present invention provides a kind of efficient biogas slurry fertilizer and preparation method thereof, by mass percentage including biogas slurry：32% 57%；Ammonium nitrate phosphorus：10% 32%；Urea：5% 27%；Potassium nitrate：9% 15%；Ammonium sulfate：5% 7%；Ammonium dihydrogen phosphate：5% 13%；Borax：0.5% 2%；EDTA magnesium：0.74% 3%；EDTA zinc：0.4% 1.5%；EDTA manganese：0.4% 1.5%；DA‑6：0.08% 0.15%；Potassium fulvate：5% 7%, efficient biogas slurry fertilizer is prepared using fruits and vegetables garbage anaerobic fermentation substrate biogas slurry, while the biogas slurry increased increasingly in solution yield utilizes outlet, also achieve the sound development of green agriculture, beneficial to the metropolitan environmental pollution of solution, resource scarcity, plantation safety problem, compared with biogas slurry is directly applied, biogas slurry Fertilizer nutrient of the present invention is more comprehensively, content is higher, reach the standards containing humic acid water-soluble fertilizer of NY1106 2010, different shape nitrogen source is combined, can be according to Different Crop, Different climate, to nitrate nitrogen therein, ammonium nitrogen, amidonitrogen carries out combination allotment, make fertilizer efficiency faster, it is longer, utilization rate is higher, do not allow to be also easy to produce precipitation, crystallization, stability and application effect are good.
Description
[technical field]
Led the present invention relates to new liquid Organic-inorganic fertilizer technical field and agricultural wastes resource circulation utilization technology
Domain, more particularly to a kind of method that utilization fruits and vegetables garbage anaerobic fermentation substrate biogas slurry prepares efficient biogas slurry fertilizer.
[background technology]
In biogas slurry fertilizer preparing technical field, prior art is primarily directed to treatment and the recycling of traditional biogas slurry, hair
Ferment raw material is mainly the organic wastes such as fowl and animal excrement, agricultural crop straw, there is presently no for fruits and vegetables garbage anaerobic fermentation bottom
The treatment of thing biogas slurry and the technology of recycling.And prior art is excessively complicated for the treatment of traditional biogas slurry, high energy consumption：As specially
Sharp CN201110083922《A kind of biogas slurry drip irrigation fertilizer and preparation method thereof》Middle use vacuumizes heating concentration；
CN201210043708《The method and its equipment used of efficient organic fertilizer are produced using biogas slurry》The flocculations such as addition humic acid
Precipitation, filtering；CN201110137123《It is a kind of without biogas slurry stink and fertilizer efficiency biogas slurry fertilizer production method high》Addition carbon source, nitrogen
Source, the secondary aerobic fermentation of microorganism；CN200810116956《A kind of method and apparatus of use producing organic liquid fertilizer with biogas slurry》Pass through
Filter plant multiple filtration etc..In terms of nutrition deployment, present technology is simple addition urea, potassium chloride, biphosphate
, there are following some deficiencies in the nutrients such as potassium：1st, not comprehensive nutrition, such as nitrogen source, mainly with urea as raw material, do not account for not
With the combination of form nitrogen, microthermal climate fertilizer efficiency is slow, the easy burn seedlings of high temperature；2nd, content is low, does not reach relevant national standard；3rd, content
When reaching relevant national standard, precipitation, crystallization are easily produced, influence stability and application effect.
As the methane-generating pit that all kinds of agricultural wastes are processed is on the increase, biogas slurry and biogas residue is treated as problem, serious system
The about sustainable development of biogas engineering, the present invention prepares efficient biogas slurry fertilizer using fruits and vegetables garbage anaerobic fermentation substrate biogas slurry, realizes
Comprehensive utilization of resources, while the biogas slurry that effectively solution yield increases increasingly utilizes outlet, also achieves green agriculture
Develop in a healthy way, will be advantageously used for solving China's agricultural and environmental protection industry (epi), particularly metropolitan environmental pollution, resource scarcity, kind
Plant security problems.
Biogas slurry nutrition is complete, also neat containing species in addition to nitrogen, phosphorus, potassium macronutrient necessary to containing crop
The bioactivators such as full Meso- and micro-nutrients, amino acid, vitamin, organic acid and humic acid, are good organic fertilizers
Material, the science administration of biogas slurry can promote plant growth, enhancing crop anti-adversity and improvement quality of agricultural product.But due to its nutrition
Component content is low, if being directly used in irrigated crop, except labour intensity is big, and harmful substance therein and having of not decomposing completely
Machine matter, can cause secondary pollution on the contrary, suppress plant growth.This is accomplished by processing biogas slurry, then according to Different Crop
Regulation of fertilizer requirement nutrition deployment is carried out to biogas slurry.
[content of the invention]
To overcome the problems of prior art, the present invention to provide a kind of using fruits and vegetables garbage anaerobic fermentation substrate biogas slurry
The method for preparing efficient biogas slurry fertilizer.
The scheme that the present invention solves technical problem is to provide a kind of efficient biogas slurry fertilizer, by mass percentage including with the following group
Part,
Biogas slurry：32%-57%；
Ammonium nitrate phosphorus：10%-32%；
Urea：5%-27%；
Potassium nitrate：9%-15%；
Ammonium sulfate：5%-7%；
Ammonium dihydrogen phosphate：5%-13%；
Borax：0.5%-2%；
EDTA magnesium：0.74%-3%；
EDTA zinc：0.4%-1.5%；
EDTA manganese：0.4%-1.5%；
DA-6：0.08%-0.15%；
Potassium fulvate：5%-7%；
Preferably, the content of nitrogen and phosphorus is N in the ammonium nitrate phosphorus：32%；P2O5：4% or N：30%；P2O5：4% or
Person N：30%；P2O5：6%.
Preferably, K in the potassium fulvate2The content range of O and humic acid is K2O：8%-14%, humic acid：50%-
70%.
Preferably, the suspending agent of (0.1%-2%) is also included by mass percentage；The suspending agent is xanthans, hydroxyl second
The combination of one or more different components in base cellulose, sodium bentonite.
A kind of preparation method of efficient biogas slurry fertilizer, it is characterised in that：Comprise the following steps,
S1：The biogas slurry that impurity elimination by fermentation is pre-processed is added in reactor by biogas slurry flow control system, is heated
And mechanical agitation is started simultaneously, and control machinery speed of agitator is 20-40 revs/min, when biogas slurry temperature reaches 45-55 DEG C, will
Mechanical agitation rotating speed is transferred to 50-60 revs/min；
S2：Ammonium nitrate phosphorus, urea, potassium nitrate, ammonium sulfate, ammonium dihydrogen phosphate, the boron for having matched are sequentially added in a kettle.
Sand, EDTA magnesium, EDTA zinc, EDTA manganese and DA-6, temperature are maintained at 35-45 DEG C, while opening reflux pump, make biogas slurry in reactor
Inner circulating reflux, persistently stirs 15-20min, makes added dissolution of raw material and is well mixed；
S3：The homogeneous emulsifying machine installed in reactor bottom is started, and the potassium fulvate configured to addition in reactor,
When potassium fulvate is fully immersed into biogas slurry, polyether-modified silicon defoaming agent is added, temperature control is in 35-45 DEG C, stirring and emulsifying 5-
10min；
S4：Polyether-modified silicon defoaming agent is added again after the completion of stirring and emulsifying, before discharging, room temperature is cooled to after discharging, make
Obtain efficient biogas slurry fertilizer.
Preferably, in the step S2, borax, EDTA magnesium, EDTA zinc, EDTA manganese and DA-6 add together again after weighing respectively
To enter mix with biogas slurry in reactor；The consumption of polyether-modified silicon defoaming agent is all components gross weight in S3 the and S4 steps
0.1%-0.15%.
Preferably, the pre-treatment step before the step S1 to biogas slurry includes,
C1：The fruits and vegetables garbage anaerobic fermentation substrate of normal gas producing 1-3 month is carried out solid-liquid point by equipment for separating liquid from solid
From, and ensure that the biogas slurry water-insoluble isolated is less than 70g/L；
C2：The biogas slurry isolated from equipment for separating liquid from solid is injected in aeration tank by pipeline carry out exposure aerobe fermentation, makes
The biogas slurry pH value after oxygen is exposed to be between 8.0 to 9.4；
C3：The biogas slurry exposed after the completion of oxygen is staticly settled 2-5 days, and sediment is bled off from aeration pot bottom, prepared
Pre-process the biogas slurry for completing.
Preferably, added in the step S3 after polyether-modified silicon defoaming agent also to the suspension that fixed amount is added in reactor
Agent；The suspending agent is the combination of one or more different components in xanthans, hydroxyethyl cellulose, sodium bentonite.
Preferably, the rotating speed of the homogeneous emulsifying machine is controlled to (2000-3500) rev/min.
Compared with prior art, a kind of efficient biogas slurry fertilizer of the present invention and preparation method thereof utilizes fruits and vegetables garbage anaerobic fermentation
Substrate biogas slurry prepares efficient biogas slurry fertilizer, realizes comprehensive utilization of resources, is effectively solving the biogas slurry utilization that yield increases increasingly
While outlet, the sound development of green agriculture is also achieved, will be advantageously used for solving China's agricultural and environmental protection industry (epi), particularly
Metropolitan environmental pollution, resource scarcity, plantation security problems, it is original except retaining biogas slurry compared with biogas slurry is directly applied
Nutritional ingredient outside, more comprehensively, content is higher for biogas slurry Fertilizer nutrient of the present invention, reaches NY1106-2010 containing humic acid water-soluble
Fertilizer standard.Different shape nitrogen source is combined, can according to Different Crop, Different climate, to nitrate nitrogen therein, ammonium nitrogen,
Amidonitrogen carries out combination allotment, makes fertilizer efficiency faster, and longer, utilization rate is higher, more efficient, safer, it is not easy to produce
Precipitation, crystallization, stability and application effect are good.With good market prospects.
[brief description of the drawings]
Fig. 1 is a kind of schematic flow sheet of efficient biogas slurry method for preparing fertilizer of the present invention.
[specific embodiment]
To make the purpose of the present invention, technical scheme and advantage become more apparent, below in conjunction with drawings and Examples, to this
Invention is further elaborated.It should be appreciated that specific embodiment described herein is used only for explaining the present invention, not
For limiting this invention.
Refer to Fig. 1, a kind of efficient biogas slurry fertilizer of the present invention, by mass percentage including following component,
Biogas slurry：32%-57%；
Ammonium nitrate phosphorus：10%-32%；
Urea：5%-27%；
Potassium nitrate：9%-15%；
Ammonium sulfate：5%-7%；
Ammonium dihydrogen phosphate：5%-13%；
Borax：0.5%-2%；
EDTA magnesium：0.74%-3%；
EDTA zinc：0.4%-1.5%；
EDTA manganese：0.4%-1.5%；
DA-6：0.08%-0.15%；
Potassium fulvate：5%-7%.
Preferably, the content of nitrogen and phosphorus is N in the ammonium nitrate phosphorus：32%；P2O5：4% or N：30%；P2O5：4% or
Person N：30%；P2O5：6%.
Preferably, K in the potassium fulvate2The content range of O and humic acid is K2O：8%-14%, humic acid：50%-
70%.
Preferably, the suspending agent of (0.1%-2%) is also included by mass percentage；The suspending agent is xanthans, hydroxyl second
The combination of one or more different components in base cellulose, sodium bentonite.
A kind of preparation method of efficient biogas slurry fertilizer, it is characterised in that：Comprise the following steps,
S1：The biogas slurry that impurity elimination by fermentation is pre-processed is added in reactor by biogas slurry flow control system, is heated
And mechanical agitation is started simultaneously, and control machinery speed of agitator is 20-40 revs/min, when biogas slurry temperature reaches 45-55 DEG C, will
Mechanical agitation rotating speed is transferred to 50-60 revs/min；
S2：Ammonium nitrate phosphorus, urea, potassium nitrate, ammonium sulfate, ammonium dihydrogen phosphate, the boron for having matched are sequentially added in a kettle.
Sand, EDTA magnesium, EDTA zinc, EDTA manganese and DA-6, temperature are maintained at 35-45 DEG C, while opening reflux pump, make biogas slurry in reactor
Inner circulating reflux, persistently stirs 15-20min, makes added dissolution of raw material and is well mixed；
S3：The homogeneous emulsifying machine installed in reactor bottom is started, and the potassium fulvate configured to addition in reactor,
When potassium fulvate is fully immersed into biogas slurry, polyether-modified silicon defoaming agent is added, temperature control is in 35-45 DEG C, stirring and emulsifying 5-
10min；
S4：Polyether-modified silicon defoaming agent is added again after the completion of stirring and emulsifying, before discharging, room temperature is cooled to after discharging, make
Obtain efficient biogas slurry fertilizer.
Preferably, in the step S2, borax, EDTA magnesium, EDTA zinc, EDTA manganese and DA-6 add together again after weighing respectively
To enter mix with biogas slurry in reactor；The consumption of polyether-modified silicon defoaming agent is all components gross weight in S3 the and S4 steps
0.1%-0.15%.
Preferably, the pre-treatment step before the step S1 to biogas slurry includes,
C1：The fruits and vegetables garbage anaerobic fermentation substrate of normal gas producing 1-3 month is carried out solid-liquid point by equipment for separating liquid from solid
From, and ensure that the biogas slurry water-insoluble isolated is less than 70g/L；
C2：The biogas slurry isolated from equipment for separating liquid from solid is injected in aeration tank by pipeline carry out exposure aerobe fermentation, makes
The biogas slurry pH value after oxygen is exposed to be between 8.0 to 9.4；
C3：The biogas slurry exposed after the completion of oxygen is staticly settled 2-5 days, and sediment is bled off from aeration pot bottom, prepared
Pre-process the biogas slurry for completing.
Preferably, added in the step S3 after polyether-modified silicon defoaming agent also to the suspension that fixed amount is added in reactor
Agent；The suspending agent is the combination of one or more different components in xanthans, hydroxyethyl cellulose, sodium bentonite.Such as
Microthermal climate is met, in order that biogas slurry fertilizer stability is more preferably, is added after first time adds polyether-modified silicon defoaming agent to carry out froth breaking
Entering suspending agent carries out stabilization, and suspending agent consumption is 0.1%-2%, side stirring and emulsifying, while be slowly added to, during reality processing,
Also it is slowly added to after being mixed with the ammonium sulfate in step S2.
Preferably, the rotating speed of the homogeneous emulsifying machine is controlled to (2000-3500) rev/min.In actual process, one
As using 2880 revs/min of optimum speed, stirring is evenly.
Led the invention belongs to new liquid Organic-inorganic fertilizer technical field and agricultural wastes resource circulation utilization technology
Domain, including biogas slurry is pre-processed and to the nutrition deployment of biogas slurry.Include the equipment for separating liquid from solid of fermentation substrate, natural pond using the equipment for arriving
Liquid aeration tank, biogas slurry flow control system, heating system, mechanical agitation and homogeneous emulsifying machine.Prepared by the preparation method
Comprehensively, content is high, reaches NY1106-2010 standards containing humic acid water-soluble fertilizer for the biogas slurry Fertilizer nutrient come.Different shape nitrogen source
It is combined, combination tune can be carried out to nitrate nitrogen therein, ammonium nitrogen, amidonitrogen according to Different Crop, Different climate
Match somebody with somebody, make fertilizer efficiency faster, longer, utilization rate is higher, more efficient, safer, and do not allow to be also easy to produce precipitation, crystallization, stability and apply
It is good with effect.
Below by way of multiple specific embodiments, the preparation method to the efficient biogas slurry fertilizer is further told about,
Embodiment 1：
1st, biogas slurry pretreatment：
1) the fruits and vegetables garbage anaerobic fermentation substrate of normal gas producing 1-3 month is carried out solid-liquid point by equipment for separating liquid from solid
From the biogas slurry water-insoluble isolated is less than 70g/L；
2) biogas slurry isolated from equipment for separating liquid from solid is injected biogas slurry aeration tank by pipeline carries out exposure aerobe fermentation, makes
Biogas slurry pH value after exposure oxygen is between 8.0 to 9.4；
3) expose the biogas slurry after oxygen to staticly settle 2-5 days, sediment is bled off from aeration pot bottom.
2nd, nutrition deployment：
1) biogas slurry that impurity elimination by fermentation is pre-processed is added in reactor by biogas slurry flow control system, heating is simultaneously
Mechanical agitation is started simultaneously, and control machinery speed of agitator is 20-40 revs/min, when biogas slurry temperature reaches 45-55 DEG C, by machine
Tool speed of agitator is transferred to 50-60 revs/min；
2) sequentially add ammonium nitrate phosphorus, urea, potassium nitrate, ammonium sulfate, ammonium dihydrogen phosphate, borax, EDTA magnesium, EDTA zinc,
EDTA manganese, DA-6, temperature are maintained at 35-45 DEG C, while opening reflux pump, make biogas slurry fertilizer in reactor inner circulating reflux, stir
15-20min is mixed, is made added dissolution of raw material and is well mixed；
3) homogeneous emulsifying machine (2880 revs/min of rotating speed) installed in reactor bottom is started, potassium fulvate is added, works as Huang
When rotten acid potassium is fully immersed into biogas slurry, polyether-modified silicon defoaming agent is added, temperature is maintained at 35-45 DEG C, stirring and emulsifying 5-10min；
4) polyether-modified silicon defoaming agent after the completion of stirring and emulsifying, before discharging is added again, room temperature is cooled to after discharging, obtain high
Effect biogas slurry fertilizer.
Above-mentioned each component consumption percentage by weight is as follows,
Biogas slurry：51.05%；
Ammonium nitrate phosphorus：13.69%；
Urea：5%；
Potassium nitrate：11.81%；
Ammonium sulfate：5%；
Ammonium dihydrogen phosphate：5.66%；
Micro- (borax, EDTA magnesium, EDTA zinc, EDTA manganese)：2.69%；
DA-6：0.1%；
Potassium fulvate：5%；
Embodiment 2：
Processing step is same as Example 1, except that, each component consumption percentage by weight is as follows：
Biogas slurry：36.36%；
Ammonium nitrate phosphorus：10.7%；
Urea：24.62%；
Potassium nitrate：9.67%；
Ammonium sulfate：5%；
Ammonium dihydrogen phosphate：5.86%；
Trace element：2.69%；
DA-6：0.1%；
Potassium fulvate：5%.
Embodiment 3：
Processing step is same as Example 1, except that, each component consumption percentage by weight is as follows：
Biogas slurry：37.46%；
Ammonium nitrate phosphorus：30.21%；
Urea：5.3%；
Potassium nitrate：9.66%；
Ammonium sulfate：5%；
Ammonium dihydrogen phosphate：4.58%；
Trace element：2.69%；
DA-6：0.1%；
Potassium fulvate：5%.
Embodiment 4：
Processing step is same as Example 1, except that, each component consumption percentage by weight is as follows：
Biogas slurry：46.48%；
Ammonium nitrate phosphorus：10.7%；
Urea：6.81%；
Potassium nitrate：9.58；
Ammonium sulfate：5%；
Ammonium dihydrogen phosphate：9.13%；
Trace element：7.2%；
DA-6：0.1%；
Potassium fulvate：5%.
Through actually detected, the biogas slurry fertilizer that each embodiment 1 to embodiment 4 is prepared, comprehensive nutrition, content is high, reaches
NY1106-2010 standards containing humic acid water-soluble fertilizer.
Embodiment 5：
To verify the application effect of efficient biogas slurry fertilizer, the potted plant of efficient biogas slurry fertilizer is carried out in greenhouse pot experiment area
Experiment, test matrix is coconut palm chaff, and fertility is extremely low, and contrast fertilizer is concentrated liquid fertilizer and composite fertilizer.
Test method：
Experiment sets 4 treatment altogether using potted plant, each 5 repetition for the treatment of, totally 20 basin.Select the upper of growing way neat and consistent
Extra large young crops is transplanted in planting pot, per 1 plant of basin.Transplant slow seedling seven days or so to apply fertilizer for the first time, second fertilising of or so two weeks,
By waiting total nutrient pouring to apply, blank is not applied fertilizer each dose, and equivalent clear water is applied in pouring, is received within ten days or so after applying fertilizer for the second time
Obtain.
Result of the test：
Pouring applies efficient biogas slurry fertilizer and can be obviously promoted the growth of Brassica rapa L, increases the plant height and leaf width of Brassica rapa L.During results
Brassica rapa L plant height is higher by 13.71%, 14.09%, 64.53%, leaf width respectively than Lin Shi composite fertilizer, concentrated liquid fertilizer, clear water
28.47%, 17.33%, 128.57% is higher by respectively, and Weight per plant is higher by 75.39%, 46.61%, 347.88%, difference respectively
Reach the level of signifiance.
The corn of embodiment 6 drenches applies efficient biogas slurry manuring field trial,
To verify the application effect of efficient biogas slurry fertilizer, corn pouring is carried out and has applied efficient biogas slurry manuring field trial, tried
It is Neo-cultivated land with testing, first time long-term cropping, fertility is extremely low.Contrast fertilizer is concentrated liquid fertilizer and composite fertilizer.
Test method：
Experiment uses single factor test RANDOMIZED BLOCK DESIGN, sets 4 treatment altogether, 4 repetitions, totally 16 cells, each cell face
3 square metres of product.August is sowed on the 18th, and using seedlings nursing plate nursery, August selects growing way consistent transplantation of seedlings when having 3 true leaves within 26th,
Spacing in the rows 30cm, line-spacing 60cm, each cell plant two rows, often 9 plants of row, total 18 plants.November 10 harvested.Slow seedling is transplanted after 8
The moon 31 applied fertilizer for the first time, second on the 14th fertilising of September, September third time fertilising on the 29th, the 4th fertilising of October 13 day, every time
By waiting total nutrient pouring to apply, blank is not applied fertilizer dose, and equivalent clear water is applied in pouring.
Result of the test：
1st, drench and apply the corn tasseling stage of efficient biogas slurry fertilizer, florescence, spinning phase and compare shift to an earlier date 2 to 4 than fertilizer respectively
My god.
2nd, drench apply the sweet corn cob rough segmentation of efficient biogas slurry fertilizer not than Lin Shi composite fertilizer, concentrated liquid fertilizer, clear water it is thick
31.53%th, 7.98%, 337.84%；Spike length grows 29.80%, 11.94%, 294.04% respectively；Cell production increases production respectively
71.67%th, 39.09%, 820.31%.
Compared with prior art, a kind of efficient biogas slurry fertilizer of the present invention and preparation method thereof utilizes fruits and vegetables garbage anaerobic fermentation
Substrate biogas slurry prepares efficient biogas slurry fertilizer, realizes comprehensive utilization of resources, is effectively solving the biogas slurry utilization that yield increases increasingly
While outlet, the sound development of green agriculture is also achieved, will be advantageously used for solving China's agricultural and environmental protection industry (epi), particularly
Metropolitan environmental pollution, resource scarcity, plantation security problems, it is original except retaining biogas slurry compared with biogas slurry is directly applied
Nutritional ingredient outside, more comprehensively, content is higher for biogas slurry Fertilizer nutrient of the present invention, reaches NY1106-2010 containing humic acid water-soluble
Fertilizer standard.Different shape nitrogen source is combined, can according to Different Crop, Different climate, to nitrate nitrogen therein, ammonium nitrogen,
Amidonitrogen carries out combination allotment, makes fertilizer efficiency faster, and longer, utilization rate is higher, more efficient, safer, it is not easy to produce
Precipitation, crystallization, stability and application effect are good.With good market prospects.
Invention described above implementation method, is not intended to limit the scope of the present invention..It is any in the present invention
Spirit and principle within modification, equivalent and the improvement made etc., should be included in claim protection model of the invention
Within enclosing.
Claims (9)
1. a kind of efficient biogas slurry fertilizer, it is characterised in that：Include following component by mass percentage,
Biogas slurry：32%-57%；
Ammonium nitrate phosphorus：10%-32%；
Urea：5%-27%；
Potassium nitrate：9%-15%；
Ammonium sulfate：5%-7%；
Ammonium dihydrogen phosphate：5%-13%；
Borax：0.5%-2%；
EDTA magnesium：0.74%-3%；
EDTA zinc：0.4%-1.5%；
EDTA manganese：0.4%-1.5%；
DA-6：0.08%-0.15%；
Potassium fulvate：5%-7%.
2. a kind of efficient biogas slurry fertilizer as claimed in claim 1, it is characterised in that：The content of nitrogen and phosphorus is in the ammonium nitrate phosphorus
N：32%；P2O5：4% or N：30%；P2O5：4% or N：30%；P2O5：6%.
3. a kind of efficient biogas slurry fertilizer as claimed in claim 1, it is characterised in that：K in the potassium fulvate2O and humic acid
Content range is K2O：8%-14%, humic acid：50%-70%.
4. a kind of efficient biogas slurry fertilizer as claimed in claim 1, it is characterised in that：Also include (0.1%- by mass percentage
2%) suspending agent；The suspending agent is one or more different components in xanthans, hydroxyethyl cellulose, sodium bentonite
Combination.
5. a kind of preparation method of efficient biogas slurry fertilizer, it is characterised in that：Comprise the following steps,
S1：The biogas slurry that impurity elimination by fermentation is pre-processed is added in reactor by biogas slurry flow control system, is heated and same
Shi Kaidong mechanical agitations, control machinery speed of agitator is 20-40 revs/min, when biogas slurry temperature reaches 45-55 DEG C, by machinery
Speed of agitator is transferred to 50-60 revs/min；
S2：Sequentially add in a kettle. matched ammonium nitrate phosphorus, urea, potassium nitrate, ammonium sulfate, ammonium dihydrogen phosphate, borax,
EDTA magnesium, EDTA zinc, EDTA manganese and DA-6, temperature are maintained at 35-45 DEG C, while opening reflux pump, make biogas slurry in reactor
Circulating reflux, persistently stirs 15-20min, makes added dissolution of raw material and is well mixed；
S3：The homogeneous emulsifying machine installed in reactor bottom is started, and the potassium fulvate configured to addition in reactor, work as Huang
When rotten acid potassium is fully immersed into biogas slurry, polyether-modified silicon defoaming agent is added, temperature control is in 35-45 DEG C, stirring and emulsifying 5-10min；
S4：Polyether-modified silicon defoaming agent being added again after the completion of stirring and emulsifying, before discharging, room temperature being cooled to after discharging, height is obtained
Effect biogas slurry fertilizer.
6. a kind of preparation method of efficient biogas slurry fertilizer as claimed in claim 5, it is characterised in that：In the step S2, boron
Sand, EDTA magnesium, EDTA zinc, EDTA manganese and DA-6 mix during addition reactor is further played after weighing respectively with biogas slurry；The S3 and
The consumption of polyether-modified silicon defoaming agent is the 0.1%-0.15% of all components gross weight in S4 steps.
7. a kind of preparation method of efficient biogas slurry fertilizer as claimed in claim 5, it is characterised in that：It is right before the step S1
The pre-treatment step of biogas slurry includes,
C1：The fruits and vegetables garbage anaerobic fermentation substrate of normal gas producing 1-3 month is carried out separation of solid and liquid by equipment for separating liquid from solid, and
Ensure that the biogas slurry water-insoluble isolated is less than 70g/L；
C2：The biogas slurry isolated from equipment for separating liquid from solid is injected in aeration tank by pipeline carry out exposure aerobe fermentation, makes exposure oxygen
Biogas slurry pH value afterwards is between 8.0 to 9.4；
C3：The biogas slurry exposed after the completion of oxygen is staticly settled 2-5 days, and sediment is bled off from aeration pot bottom, prepare pre- place
Manage the biogas slurry for completing.
8. a kind of preparation method of efficient biogas slurry fertilizer as claimed in claim 5, it is characterised in that：Added in the step S3
Also to the suspending agent that fixed amount is added in reactor after polyether-modified silicon defoaming agent；The suspending agent is xanthans, ethoxy fibre
The combination of one or more different components in dimension element, sodium bentonite.
9. a kind of preparation method of efficient biogas slurry fertilizer as claimed in claim 5, it is characterised in that：The homogeneous emulsifying machine
Rotating speed is controlled to (2000-3500) rev/min.
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| CN108002895A (en) * | 2017-11-24 | 2018-05-08 | 北京源农炭肥技术有限公司 | A kind of charcoal base liquid fertilizer and its production system and method |
| CN108083948A (en) * | 2017-12-28 | 2018-05-29 | 万里神农有限公司 | A kind of compound organic water-soluble fertilizer and preparation method thereof |
| CN108249984A (en) * | 2017-12-21 | 2018-07-06 | 山东理工大学 | A kind of preparation and application of corn yield increasing foliar fertilizer |
| CN108285382A (en) * | 2017-12-21 | 2018-07-17 | 山东理工大学 | A kind of preparation and application of corn yield increasing suspending agent |
| CN108546177A (en) * | 2018-03-21 | 2018-09-18 | 东莞翔液体肥料有限公司 | A kind of efficient biogas slurry organic suspension liquid fertilizer and preparation method thereof |
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| CN111187120A (en) * | 2020-03-24 | 2020-05-22 | 青岛格瑞盛环保工程有限公司 | Liquid fertilizer for rooting and root-raising and preparation method thereof |
| CN111377777A (en) * | 2020-03-24 | 2020-07-07 | 河南省农业科学院植物营养与资源环境研究所 | Organic and inorganic high-nitrogen water-soluble fertilizer and preparation method thereof |
| CN114478138A (en) * | 2022-03-02 | 2022-05-13 | 河北京安肥业科技有限公司 | Suspended type biogas-based humic acid-containing water-soluble fertilizer and preparation method thereof |
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