CN107382535A - A kind of composite fertilizer and its production technology rich in mineral matter - Google Patents
A kind of composite fertilizer and its production technology rich in mineral matter Download PDFInfo
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- CN107382535A CN107382535A CN201710783577.8A CN201710783577A CN107382535A CN 107382535 A CN107382535 A CN 107382535A CN 201710783577 A CN201710783577 A CN 201710783577A CN 107382535 A CN107382535 A CN 107382535A
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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
- C05D—INORGANIC FERTILISERS NOT COVERED BY SUBCLASSES C05B, C05C; FERTILISERS PRODUCING CARBON DIOXIDE
- C05D9/00—Other inorganic fertilisers
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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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Abstract
The invention discloses a kind of composite fertilizer rich in mineral matter, and it includes the raw material of following percentage by weight：A, the mineral particle therefrom isolated before coal or coal gangue combustion or chemical industry conversion, 10 80%；B, organic sequestering agent, 0 10%；C, animal wastes/algae raw material through biochemical treatment, 5 40%；With at least one of optional D, nitrogenous fertilizer, phosphate fertilizer, potash fertilizer；5 50%.Mineral particle in the present invention is to be rich in middle trace element such as at least one of B, Ca, Cl, Cu, Fe, Mg, Mn, Mo, S and Zn necessary to plant growth.The present invention can realize the most economical efficient utilization to the mineral matter waste material in Chemical Industry.The invention also discloses the preparation method of the composite fertilizer rich in mineral matter.
Description
Technical field
The invention belongs to field of manure industry, and in particular to a kind of composite fertilizer and its production technology rich in mineral matter.
Background technology
Fertilizer is the grain of crops, and China is one of maximum country of fertilizer amount, accounts for the cultivated area in the whole world 8%,
But about 30% chemical fertilizer amount is used, due to excessive or unreasonable fertilising, causes input-output ratio to decline, increases production cost.
In addition, being excessively used for chemical fertilizer also brings a series of problems：
(1) soil hardening
Long-term single administration chemical fertilizer, causes soil acidification, and the bacterium in soil is killed, and humus can not be mended in time
Fill, soil hardening can be caused.After excessively applying nitrogenous fertilizer into soil, the Nitrogen supplying of microorganism increases by 1 part, the carbon accordingly consumed
Element is increased by 25 parts, and the carbon consumed derives from the soil organism, and the content of organic matter is low, influences the activity of microorganism, so as to
The formation of soil granular structure is influenceed, causes soil hardening.When phosphate fertilizer is excessively applied into soil, the phosphate anion in phosphate fertilizer
Insoluble phosphate is combined to form with the cation such as calcium, magnesium in soil, that is, wastes phosphate fertilizer, destroys soil granular structure again, is caused
Make soil hardening.When potash fertilizer is excessively applied into soil, the potassium ion displacement property in potash fertilizer is especially strong, can will form soil granular
The polyvalent cation of structure is cemented out, and the potassium ion of monovalence acts on without key bridge, and the key bridge of soil granular structure is broken
It is broken, also just destroys crumb structure, causes soil hardening.
(2) food security
The ground such as Sichuan Province China, Guangxi, Guangdong break into heavy metal " cadmium " exceeded event in the crops come, a portion
Be due to cadmium ore deposit exploitation leakage either heavy metal-containing waste water polluted underground water cause, in soil containing heavy metal element far beyond
Normal range (NR), it is exceeded to cause crop heavy metal.Some, is due to that chemical fertilizer largely uses for a long time so that originally rich
Soil containing heavy metal element, lose heavy metal metabolic capability, caused by cereal crops heavy metals exceeding standard.
Soil is as natural " filter " the original function of possessing a small amount of pollutant and heavy metal in filter water.Also,
The some bacteriums contained in soil, the pollutant and heavy metal that can be metabolized in soil.Even if a small amount of heavy metal in soil be present,
And exist with non-free state, it can not be absorbed by plants, so the heavy metal in normal soil originally will not enter farming
In thing.
But chemical fertilizer is mostly strong acid weak base salt, it is dissolved into water into acidity.Continue largely to use chemical fertilizer, soil can be caused
Acidifying.In the soil of acidifying, all bacteriums are all killed, and the ability of soil metabolism pollutant is destroyed.Heavy metal can become to swim
From ion, follow the metabolism of water to be absorbed by crops, form the grain of heavy metals exceeding standard, feed among human body.These are heavy
Metal can not be absorbed by the body and be metabolized, and accumulated in human body and reach a certain amount, can caused a variety of harm, can cause " ostalgia
Disease ".
(3) environmental pollution
The industry of inherently one high pollution of chemical fertilizer industry.The wastewater discharge of fertilizer enterprises accounts for whole chemical industry
More than 43%, discharge amount of exhaust gas almost accounts for the 65% of whole chemical industry, and the discharge capacity of solid waste accounts for the discharge capacity height of chemical industry
Up to 77%.It is the industry of a serious high pollution.Other chemical fertilizer after application, can also bring important influence to environment.Chemical fertilizer
In nitrogenous fertilizer be much ammonium salt.Under the irradiation of sunshine, or environment temperature rise, all it is likely to result in ammonium ion (NH4 +) evaporation, it is decomposed to form and comes from the materials such as the major pollutants SOx, NOx of motor vehicle emission generation aerosol in ammonia and air
Reaction.When lower dense fog, this reaction is easier to occur.This is also the formation mechenism of second particle in haze.Chinese agriculture
Sparetime university learns resource and environment institute professor Liu Xuejun and said, " in heavily contaminated weather, is combined to form because of ammonia with oxide in air
The quality summation of ammonium salt accounts for 50% even more high of second particle in pm2.5, more serious polluting weather, and ratio is higher." many
Multi-field expert and scholar think that ammonia is to facilitate pm2.5 to be formed " catalyst ".And in soil it is to fertilize the main of ammonia
Source, account for the 40% of ammonia pollution.So chemical fertilizer is largely using the generation important impetus for being haze.Chinese chemical fertilizer excess at present
Use (amount that China applies in every mu of soil chemical fertilizer is nearly four times of Denmark), the severe exacerbations haze problem of China.
(4) trace element can not be supplemented
It is well known that in soil in addition to the elements such as N P and K, also containing the essential trace element of plant growth
Phosphorus, potassium, silicon, calcium, sulphur, chlorine, magnesium, iron etc., they be often promote in plant photosynthesis and respiration " enzyme " or
The important composition element of " coenzyme ", acted in plant it is very active, if lack, will cause plant growth slowly in addition produce
Raw various diseases.However, for a long time, these mineral nutrient elements are consumed by plant and but cannot effectively supplemented always,
In addition acid precipitation and the above use of strong acid weak base salt form chemical fertilizer, these micro- leachings and loss is acted on, caused
These mineral matter elements more lack in soil, therefore how to supplement these trace elements, and are badly in need of in current fertilizer industry
Solve the problems, such as.
Present invention seek to address that above-mentioned all problems.
The content of the invention
First aspect present invention is related to a kind of composite fertilizer rich in mineral matter, and it includes the component of following percentage by weight：
A, the mineral particle therefrom isolated before coal or coal gangue combustion or chemical industry conversion, 10-80%；
B, organic sequestering agent, 0-10%；
C, the animal wastes through biochemical treatment or algae raw material, 5-40%.
Preferably, the compound also includes the component of following following percentage by weight：
D, at least one of nitrogenous fertilizer, phosphate fertilizer, potash fertilizer；5-50%.
When the composite fertilizer of the present invention includes azophoska, above-mentioned ABC mix preparations and D complex form quite it is clever
It is living, such as or the ABC mix preparations and npk fertilizer are mixed jointly are used for fertigation in irrigation water；Or the ABC is mixed
Close after granular fertilizers are made in preparation and be used in mixed way with N P and K granulated fertilizer；Or with the ABC mix preparations with liquid suspension or
Powder form is coated to N P and K granulated fertilizer.
Wherein, the chemical industry conversion is for example including pyrolysis of coal, coal gasification, coal liquefaction, the dry distillation of coal or coking of coal.Coal or bastard coal
Stone means mineral particle therein without high temperature sintering without burning or the conversion of above-mentioned chemical industry.The high temperature refers to 500 DEG C
More than.
The mineral matter be to the various middle micro- general designations needed for the plant growth in addition to N P and K, including but
It is not limited to B, Ca, Cl, Cu, Fe, Mg, Mn, Mo, S, Se and Zn.
Preferably, the average grain diameter of the mineral particle is less than 500 μm, preferably shorter than 100 μm, preferably shorter than 50 μm,
Preferably shorter than 20 μm, more preferably less than 10 μm, it is still preferred to less than 2 μm, most preferably 1 μm.
Preferably, the organic sequestering agent is selected from humic acid, citric acid, ethylenediamine tetra-acetic acid, aminotriacetic acid, IDHA
(iminodisuccinic acid), HBED (N, N '-bis- (2- hydroxybenzyls) ethylenediamine-N, N '-oxalic acid) or DTPA (diethylenetriamines
Pentaacetic acid).The effect of organic sequestering agent is that chelation can be played to various trace elements, there is provided slow release effect.
Preferably, the one or more during the mineral particle is following necessary to include plant growth in trace element：
B, Ca, Cl, Cu, Fe, Mg, Mn, Mo, S, Se and Zn.Certainly, the mineral particle can also include it is other it is various in micro member
Element.Trace element can be that these mineral particles institute is naturally intrinsic in these, or artificially to these mineral particles
Middle addition.
Preferably, the mineral particle is obtained by the method comprised the following steps：
A, by the coal of the combustible comprising non-combustible mineral matter and carbon containing-hydrogen or gangue in water wet-milling to particulate matter
Average grain diameter is less than 500 microns, and addition additive is sufficiently mixed it in water-coal-slurry scattered equal during wet-milling is continued
It is even, obtain the micro-nano water-coal-slurry containing additive；
B, the microbubble that diameter is less than 200 microns is passed through into the micro-nano water-coal-slurry containing additive, wherein carbon containing-
The flammable composition granule of hydrogen turns into floating logistics with bubble floating, wherein the mineral particle for having sticked the additive is reunited and made
Sink for underflow, obtain the mineral particle.
Preferably, the additive is hydrophilic nanoparticles, collecting agent or surfactant, wherein the hydrophily is received
Rice grain is aluminosilicate nanoparticles, is further ground to preferably by by the separated mineral particles out of step B
Nanoscale scope and be made；Wherein described collecting agent is the two thio carbon of alkyl that organic thio compounds is preferably alkali metal
Hydrochlorate；Wherein described surfactant is the surface active molecules with hydrophilic radical and hydrophobic grouping, preferably terpenic oil, camphor tree
Cerebrol, phenolic acid mixed fatty alcohol, isomery hexanol, octanol, ether alcohol, Ester.
Preferably, the one or more during the mineral particle is following necessary to include plant growth in trace element：
B, Ca, Cl, Cu, Fe, Mg, Mn, Mo, S, Se and Zn.
Preferably, the nitrogenous fertilizer is selected from urea, ammonium sulfate, ammonium chloride or ammonium phosphate；The phosphate fertilizer is selected from calcium superphosphate, again
Calcium superphosphate or Diammonium phosphate (DAP)；The potash fertilizer is selected from potassium feldspar, potassium sulfate or potassium chloride.
At least one of the algae raw material such as including green alga, sea-tangle, sargassum and dry undaria pinnitafida.Due to land soil
Dissolvable mine material in earth is pooled in lake or ocean after being dissolved in rainwater eventually through various surface water approach, thus lake or
Content of mineral substances in ocean is generally higher than terrestrial soil, and algae substances grow wherein, naturally also absorbs and is enriched more
Content of mineral substances, the algae especially collected from the lake of eutrophication or coastal waters, such as during breakout of red tide of coastal area
Substantial amounts of coastal waters algae etc., its content of mineral substances is higher.Therefore, certain ore deposit can also be supplemented by algae substances being added into composite fertilizer
Content of material.In addition, being rich in marine alga gelatin substance in algae raw material, possess binding agent function after biochemical treatment, have simultaneously
Increase the effect such as the soil organism, agglomerated particles, activating soil.
The second aspect of the present invention is related to the production technology of the composite fertilizer rich in mineral matter described in first aspect, including with
Lower step, 5-200min is reacted at 20-95 DEG C in the reactor after each raw material is mixed, and optionally past fermentation process
Afterwards, that is, the composite fertilizer for being rich in mineral matter is obtained, is then pelletized, is dried.
Mineral matter in the present invention can for example pass through the entitled of the applicant《One kind is high using coal or gangue production
The technique of calorific value water-coal-slurry and the coal gasifying process using the technique》Another patent application (Application No.
201710502714.6) described in process obtained by.By being incorporated by herein for the patent.For simplicity, in detail
Preparation technology repeat no more.Certainly, the mineral particle in the application can also be used by other known or potential point
Separating process is isolated, is not limited in above-mentioned process, as long as these mineral particles from coal or gangue are not
Through high temperature sintering.Wherein described high temperature refers to more than 500 DEG C.
Beneficial effects of the present invention：
1st, the weight ratio of waste material and trace element of the trace element in other industry is without manually compound
The conventional method of microelement-supplementing is by containing specific micro- particular ore (example in current fertilizer industry
Such as calcium and magnesium ore, wollastonite, iron ore) crush after be added to as micro- source in npk fertilizer, briefly, just
It is to lack what what mends, not comprehensive system.Various trace elements are supplemented if necessary to system, then are needed various trace elements
Ore crush after compounded according to special ratios, waste time and energy expense material.
Also there are some fertilizer enterprises by the ore deposit in the flyash of a large amount of by-products of steam power plant or coal chemical industry after high-temperature process
Substance residues are added in fertilizer or are directly used as soil conditioner as micro- source, but problem is, these mineral matters
Residue sinters even vitrifying, the micro member of valuable mineral matter therein after have passed through the hot environment in gasification furnace by abundant
Element is difficult to discharge under field conditions (factors), therefore it is difficult to be absorbed by root system of plant, and it is as fertilizer or soil conditioner
Effect it is extremely limited.
By contrast, the present invention creatively proposes, by mineral particle contained in coal or gangue without high temperature
Drive off and before sintering, be added to as micro- source in fertilizer.Mineral matter impurity present in raw coal is broadly divided into
Two kinds, wherein the first be original timber in coalification course by mixed soil or rock powder in surrounding formation environment, its
Mixed with the combustible of carbon containing-hydrogen in raw coal with macro-scale, adhesion is very weak.Another kind is that original timber grew at it
The mineral matter micronutrient element inherently absorbed in journey by root system of plant from initial soil, because of itself and timber symbiosis, therefore this
Part mineral matter impurity is mixed with micro-scale and combined closely with the combustible of carbon containing-hydrogen, and adhesion is stronger.Conventional
Coal cleaning process and coal preparation technique can only carry out the first mineral matter impurity in raw coal initial gross separation, but can not by raw coal with
Micro-scale each other the combustible of chimeric carbon containing-hydrogen with second of mineral matter impurity progress is effectively separates, for poor quality
Coal is especially true.But pass through special separating technology, second of the mineral matter impurity is also to separate.Mineral in the present invention
Matter impurity particle be coal or gangue burn or by chemical conversion before (by taking coal gas chemical industry as an example, in coal dust or water coal
Slurry enter gasification furnace before before high-temperature gasification) separate with hydrocarbon combustible material, itself and without any high temperature
Sintering processes, therefore mineral matter contained therein is easy to discharge and absorbed by root system of plant under field conditions (factors).Examine
Look into the source of these mineral matter impurity then it is seen that, wherein second foregoing of mineral matter impurity exactly time immemorial trees from remote
Mineral matter nutritional material absorbed in ancient soil and be present in time immemorial timber, and undergo the geology coalification of complexity and become
Into current mineral matter impurity.Therefore, these mineral matter impurity substantially be exactly by time immemorial trees effectively absorb and preserve to
Modern mineral matter fertilizer, and various micro- ratios by time immemorial plant by its natural degree of absorption equivalent to all being compounded
, separately compounded in proportion again without people.So valuable time immemorial fertilizer is but in current burning or chemical conversion reaction device
Become not absorbed by current plant by high temperature sintering in (such as gasification furnace), be tantamount to a kind of loss.The present invention exists
Whole mineral particles are all separated with hydrocarbon combustible before burning and chemical conversion so that mineral matter impurity particle is kept away
Exempted from high-temperature sintering process, but retained the existence form of its time immemorial ecosystem, by a series of Biochemical processes by its
Revert to close to the form in time immemorial soil, be then used as plant and mineral matter trace element compound fertilizer, or enter one as carrier
It is used as fertilizer after step load other plant nutrient, exactly turns waste into wealth and realize one kind that coal resources maximally utilize
Creative new way.
2nd, promote each other the effect of various fertilizer parts
Composite fertilizer rich in mineral matter prepared by the present invention is also used as soil conditioner effectively improved soil structure,
Improve the water lock ability and carbon diadochy of soil, increase mineral matter in soil needed for plant growth and must nutrient contain
Amount, this is caused by the promotion each other of following effect of each fertilizer part of the present invention：
(1) algae in the present invention or the animal wastes through biochemical treatment, rich in active nutrient component, can promote soil
Colloid aggegation, beneficial to water stability granule is formed, extend fertilizer deenergized period, reduce nutrient loss, improve utilization rate of fertilizer.Separately
Outside, algae or the animal wastes through biochemical treatment contain natural active matter, and it can adjust the growth of plant, have stronger
Water retention；Alginic acid has passivation to the heavy metal in soil, prevents the absorption of crop heavy metal ion.
(2) present invention contains humic acid organic substances, can be complexed, adsorb heavy metal ion in soil, reduces crop and takes the photograph
Enter heavy metal ion, to improve the safety index of agricultural product.In addition, humic acid organic substances can adjust the pH value and salinity of soil
Ion-exchange capacity, promote soil granular to be formed, strengthen soil permeability, fundamentally improve the physics and chemistry of alkaline land soil
Matter, activation soil nutrient are utilized by plant again, extend fertilizer release time, improve utilization rate of fertilizer.
(3) mineral particle of the invention is rich in trace element necessary to a large amount of plant growths, such as：B, Ca, Cl, Cu,
Fe, Mg, Mn, Mo, S and Zn etc., and particle diameter is utilized beneficial to plant absorption, can prevent and treat crop because of micro member in micro-scaled range
Element lacks the physiological diseases such as caused yellow, deformity and root-rot.
Brief description of the drawings
Fig. 1 is the indicative flowchart of the production technology of the composite fertilizer rich in mineral matter in the present invention.
Embodiment
Present disclosure is further described below by embodiment, but it is not thereby limiting the invention.
Embodiment 1
The first step, the parts by weight of npk fertilizer 30 are taken, crushed, cross 40 mesh sieves, it is standby.
Second step, it is micro- for 500 that the particle diameter that coal and gangue obtain by micro- ore deposit isolation technics is added into first step product
Rice containing the middle micro- parts by weight of fine mineral matter particle 50, the parts by weight of humic acid 2, the animal wastes through biochemical treatment
15 parts by weight, mixed fermentation 100min, 40 DEG C of reaction temperature,
3rd step, the parts by weight of marine alga 3 through biochemical treatment, after being uniformly mixed, thing are added into second step product
Material is sent into granulating disc and is granulated, and the particle being granulated out finally enters roller drying machine and dried under 80 DEG C of temperature conditionss,
Material carries out secondary granulation with drying cylinder friction simultaneously.
4th step, dried particle are sent into cooler and cooled down, and after screened, inspection, metering, packaging are got product
Compound fertilizer.
Embodiment 2
The first step, the parts by weight of npk fertilizer 50 are taken, crushed, cross 40 mesh sieves, it is standby.
Second step, the particle diameter that coal and the micro- ore deposit isolation technics acquisition of gangue are added into first step product is 100 microns
The parts by weight of particle 40 containing middle micro- fine mineral matter, the parts by weight of fulvic acid 3, the parts by weight of marine alga activating solution 7, are fermenting
100min, 35 DEG C of fermentation temperature are stopped in device.
3rd step, first step product and second step product are stirred, after being well mixed, material is sent into granulating disc and carried out
It is granulated, the particle being granulated out finally enters roller drying machine and dried under 80 DEG C of temperature conditionss, while material rubs with drying cylinder
Wipe and carry out secondary granulation.
4th step, dried particle are sent into cooler and cooled down, and after screened, inspection, metering, packaging are got product
Compound fertilizer.
Embodiment 3
The first step, the parts by weight of animal wastes material 35 made compost and kill parasitic ovum of learning from else's experience, is crushed, and crosses 40 mesh sieves, standby
With.
Second step, it is 20 microns that the particle diameter that coal and gangue obtain through micro- ore deposit isolation technics is added into first step product
Containing the middle micro- parts by weight of fine mineral matter particle 60, the parts by weight of organic sequestering agent EDTA 3 mixing 200min, make its hair
Biochemical chelatropic reaction.
3rd step, first step product and second step product are stirred, after addition humic acid 2 parts by weight are well mixed, then mixed
Entering to be sent into granulating disc and be granulated, the particle being granulated out finally enters roller drying machine and dried under 80 DEG C of temperature conditionss,
Material carries out secondary granulation with drying cylinder friction simultaneously.
4th step, dried particle are sent into cooler and cooled down, and after screened, inspection, metering, packaging are got product
Compound fertilizer.
Specifically used effect case
Effect example 1
This effect example 1 is intended to composite fertilizer of this patent rich in mineral matter and clear water and conventional npk fertilizer
(being abbreviated as NPK fertilizer) carries out fertilizer efficiency contrast.
Experimental group (referred to as " Wei Kuang composite fertilizers ") is used as using the composite fertilizer made of embodiment 1 rich in mineral matter, originally
Not as a control group, the Wei Kuang composite fertilizers of experimental group and control group are diluted respectively for water and the NPK nutriment in a fertilizer of certain domestic well-known producer
1000 times, fall Spraying in the flowering stage in tomato physiology phase, interval sprays second after 10 days, and every 50 plants of tomatoes are one group, detection
Yield, calcium content and the bad fruit rate of tomato.Experimental result is shown in Table 1.
Influence of the different fertilizer of table 1 to the yield of tomato, calcium content and bad fruit rate
| Group | Yield (individual) | Calcium content (mg/100g) | Bad fruit rate (%) |
| Embodiment 1 | 400 | 23.0 | 5.8 |
| Control group-NPK fertilizer | 352 | 2.9 | 10.3 |
| Control group-running water | 305 | 2.8 | 19.9 |
As shown in Table 1, the Wei Kuang composite fertilizers of gained are prepared using the inventive method, in identical extension rate and identical
In the case of dosage, the yield of tomato melon and fruit is higher, and calcium content is bigger, and bad fruit rate is lower, illustrates prepared by the inventive method
Wei Kuang composite fertilizers are more conducive to the growth of tomato, and anti-bad fruit effect is better than control group.
Effect example 2
This effect example is intended to the fertilizer efficiency of the different content of mineral substances of comparison.
Using Wei Kuang composite fertilizers made of embodiment 1, wherein the composite fertilizer containing micro element mineral 10% is as experiment
Group, the composite fertilizer containing micro element mineral 0%, 5% and 20% is respectively as control group, by experimental group and micro- ore deposit of control group
Composite fertilizer dilutes 1000 times respectively, falls Spraying in the flowering stage in corn physiology phase, interval after 10 days after spray second, every 50 sweet teas
Corn is one group, detects yield, calcium content and the bad fruit rate of corn.Experimental result is shown in Table 2.
Influence of the amount of application of the Wei Kuang composite fertilizers of table 2 to the yield of corn, calcium content and bad fruit rate
| Group | Yield (individual) | Calcium content (mg/100g) | Bad fruit rate (%) |
| Embodiment 1 (10%) | 200 | 18 | 1.8 |
| Control group -0% | 105 | 2 | 9.6 |
| Control group -5% | 175 | 12 | 4.9 |
| Control group -20% | 205 | 18 | 1.9 |
As shown in Table 2, the Wei Kuang composite fertilizers of gained are prepared using the inventive method, in the situation of identical extension rate
Under, the content of trace elements in compound fertilizers mineral matter has an impact to the yield of corn, calcium content and bad fruit rate.Using containing micro-
After the composite fertilizer of secondary element mineral matter 10%, the yield of corn substantially increases, and calcium content substantially increases, and bad fruit rate is significantly low,
Illustrate that the Wei Kuang composite fertilizers of the inventive method preparation are more conducive to the growth of corn, anti-bad fruit effect is better than control group.
Effect example 3
This effect example is intended to the comparison composite fertilizer rich in mineral matter of the invention and the mineral after high temperature sintering
The fertilizer efficiency of matter fertilizer.
Using Wei Kuang composite fertilizers made of embodiment 1 as experimental group, the powder of high temperature sintering is passed through under equivalent formulation content
The high temperature sintering mineral matter fertilizer that coal ash is prepared as micro- source as a control group, by Wei Kuang composite fertilizers of experimental group and right
1000 times are diluted respectively according to group, fall Spraying in the flowering stage in tomato physiology phase, interval sprays second after 10 days, every 50 plants of tomatoes
For one group, yield, calcium content and the bad fruit rate of tomato are detected.Experimental result is shown in Table 3.
Influence of the different fertilizer of table 3 to the yield of tomato, calcium content and bad fruit rate
| Group | Yield (individual) | Calcium content (mg/100g) | Bad fruit rate (%) |
| Embodiment 1 | 400 | 23 | 5.8 |
| Control group | 365 | 5.9 | 8.3 |
As shown in Table 3, using the inventive method prepare gained Wei Kuang composite fertilizers, with equivalent formulation content through oversintering
The high temperature sintering mineral matter fertilizer that is prepared as micro- source of flyash compare, the yield and calcium content of tomato melon and fruit are more
Height, abnormal rate is lower, illustrates that the Wei Kuang composite fertilizers of the inventive method preparation are more conducive to the growth of tomato, anti-bad fruit compares control group
It is good.
Embodiment above describes the general principle and principal character and advantages of the present invention of the present invention.The technology of the industry
Personnel are it should be appreciated that the present invention is not limited to the above embodiments, and the simply explanation described in above-described embodiment and specification is originally
The principle of invention, rather than the scope limiting the invention in any way, without departing from the scope of the invention, the present invention
Various changes and modifications are also had, these changes and improvements are both fallen within claimed scope.
Claims (10)
1. a kind of composite fertilizer rich in mineral matter, it is characterised in that include the component of following percentage by weight：
A, the mineral particle therefrom isolated before coal or coal gangue combustion or chemical industry conversion, 10-80%；
B, organic sequestering agent, 0-10%；
C, the animal wastes through biochemical treatment or algae raw material, 5-40%.
2. composite fertilizer according to claim 1, its spy is being, includes the component of following following percentage by weight：
D, at least one of nitrogenous fertilizer, phosphate fertilizer, potash fertilizer；5-50%.
3. composite fertilizer according to claim 1, it is characterised in that the chemical industry conversion includes pyrolysis of coal, coal gasification, coal liquid
Change, the dry distillation of coal or coking of coal.
4. composite fertilizer according to claim 1, it is characterised in that the average grain diameter of the mineral particle is less than 500 μm,
Preferably shorter than 100 μm, preferably shorter than 50 μm, preferably shorter than 20 μm, more preferably less than 10 μm, it is still preferred to less than 2 μm, be most preferably
1μm。
5. composite fertilizer according to claim 1, it is characterised in that the organic sequestering agent is selected from humic acid, citric acid, second
Ethylenediamine tetraacetic acid (EDTA), aminotriacetic acid, iminodisuccinic acid, N, N '-bis- (2- hydroxybenzyls) ethylenediamines-N, N '-oxalic acid or
Diethylene triamine pentacetic acid (DTPA).
6. composite fertilizer according to claim 1, it is characterised in that the mineral particle passes through the side that comprises the following steps
Method obtains：
A, by the coal of the combustible comprising non-combustible mineral matter and carbon containing-hydrogen or gangue in water wet-milling being averaged to particulate matter
Particle diameter is less than 500 microns, and addition additive is sufficiently mixed it in water-coal-slurry to be uniformly dispersed, obtain during wet-milling is continued
To the micro-nano water-coal-slurry containing additive；
B, the microbubble that diameter is less than 200 microns is passed through into the micro-nano water-coal-slurry containing additive, wherein carbon containing-hydrogen
Flammable composition granule turns into floating logistics with bubble floating, wherein the mineral particle for having sticked the additive is reunited and is used as bottom
Flow and sink, obtain the mineral particle.
7. composite fertilizer according to claim 6, it is characterised in that the additive is hydrophilic nanoparticles, collecting agent
Or surfactant, wherein the hydrophilic nanoparticles are aluminosilicate nanoparticles, preferably by step B is separated
Mineral particle out is further ground to nanoscale scope and is made；Wherein described collecting agent closes for organic thio
Thing is preferably the alkyl dithiocarbonate of alkali metal；Wherein described surfactant is with hydrophilic radical and hydrophobic grouping
Surface active molecules, preferably terpenic oil, camphorated oil, phenolic acid mixed fatty alcohol, isomery hexanol, octanol, ether alcohol, esters thing
Matter.
8. composite fertilizer according to claim 1, it is characterised in that the mineral particle include plant growth it is required with
One or more in lower in trace element：B, Ca, Cl, Cu, Fe, Mg, Mn, Mo, S, Se and Zn.
9. composite fertilizer according to claim 1, it is characterised in that the nitrogenous fertilizer is selected from urea, ammonium sulfate, ammonium chloride or phosphorus
Sour ammonium；The phosphate fertilizer is selected from calcium superphosphate, double superhosphate or Diammonium phosphate (DAP)；The potash fertilizer is selected from potassium feldspar, potassium sulfate or chlorine
Change potassium.
10. the production technology of composite fertilizer according to claim 1, it is characterised in that in reactor after each raw material is mixed
In react 5-200min at 20-95 DEG C, and optionally past fermentation process after, that is, obtain described compound rich in mineral matter
Fertilizer, then pelletize, dry.
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| CN114835529A (en) * | 2022-05-30 | 2022-08-02 | 河南东大科技股份有限公司 | Nano mineral humic acid water-soluble fertilizer and preparation method thereof |
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| CN108658659A (en) * | 2018-05-23 | 2018-10-16 | 深圳瑞科天启科技有限公司 | A kind of hud typed solid fertilizer and preparation method thereof rich in minerals |
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| CN114031446A (en) * | 2021-11-01 | 2022-02-11 | 南方科技大学 | Mineral-rich plant nutrition foliar fertilizer and preparation method thereof |
| CN114213167A (en) * | 2021-12-02 | 2022-03-22 | 南方科技大学 | Method for promoting aerobic compost decomposing process and improving compost quality |
| CN114835529A (en) * | 2022-05-30 | 2022-08-02 | 河南东大科技股份有限公司 | Nano mineral humic acid water-soluble fertilizer and preparation method thereof |
| CN114835529B (en) * | 2022-05-30 | 2023-10-24 | 河南东大科技股份有限公司 | Nano mineral humic acid water-soluble fertilizer and preparation method thereof |
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