CN108314531A - A kind of preparation method of the organic fertilizer gel particle of effective improvement soil hardening - Google Patents
A kind of preparation method of the organic fertilizer gel particle of effective improvement soil hardening Download PDFInfo
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- CN108314531A CN108314531A CN201810232138.2A CN201810232138A CN108314531A CN 108314531 A CN108314531 A CN 108314531A CN 201810232138 A CN201810232138 A CN 201810232138A CN 108314531 A CN108314531 A CN 108314531A
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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
- C05D9/02—Other inorganic fertilisers containing trace elements
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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
- C05G5/30—Layered or coated, e.g. dust-preventing coatings
- C05G5/37—Layered or coated, e.g. dust-preventing coatings layered or coated with a polymer
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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
- C05G5/40—Fertilisers incorporated into a matrix
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- Chemical & Material Sciences (AREA)
- Life Sciences & Earth Sciences (AREA)
- Organic Chemistry (AREA)
- Pest Control & Pesticides (AREA)
- Soil Sciences (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Inorganic Chemistry (AREA)
- Fertilizers (AREA)
Abstract
The present invention relates to a kind of preparation methods of the organic fertilizer gel particle of effective improvement soil hardening, a kind of sodium carboxymethylcellulose polyvinyl alcohol chitosan silica crosslinked fluid is provided,, specific surface area bigger stronger better than three-dimensional network space macropore, the adsorption capacity of the prior art is formed under the important auxiliary of the high fibrous framework ingredient such as rice hulls, peanut shell, stalk, stores more organic substances；Prilling temperature and mode had not only increased the binding force of plural gel and base manure particle, but also enhanced plural gel swelling behavior；The organic fertilizer gel particle can effectively improve soil crust caking, reduce the soil weight, water-absorbing-retaining, fertilizer fertilizer conservation；Test result shows that crop yield is high, quality is good, fruit is big, and the waterlogging-resistant ability of crop drought resistance is strong, and soil aggregate structure is stablized, and has the water stability of 2mm 3mm, the water stability soil granular of 2mm 3mm has accounted for 70% or more in 20 centimetres of topsoil.
Description
Technical field
The invention belongs to technical field of land improvement, and in particular to a kind of new method of effective improvement soil hardening.
Background technology
Soil is that crops are rely the basis of growth and development, with being continuously increased for fertilizer amount, causes soil nutrient, outstanding
The reduction of its organic matter, and organic matter is the necessary composition to form soil aggregate structure He keep soil from packing together, and leads to soil most
Soleplate, which forms block and penetrating gas, to be reduced.There are many kinds of the existing methods for solving soil hardening, such as uses chemical substance merely
It is short-term to solve, but the residual of chemical substance can cause new problem；Although being promoted to soil using the animality excrement after decomposed
Fertility and increase organic matter, but there are the hidden danger of heavy metals exceeding standard and antibiotic residue；Also stalk is sprinkled into soil, is passed through
Microbial fermentation chesson, but there is also the slow disadvantages that works.It is compound solidifying that there is also a variety of soil improvement auxotypes at present
Glue material, for example, application number 201410392639.9 discloses a kind of Nutritional composite gel material for soil improvement, water suction is protected
Water inhales the multiple functions such as fertilizer, fertilizer conservation, slow release fertilizer.Application number 201510464733.5 discloses a kind of citric acid-polyacrylic acid
Salt magnetic hydrogel, but copper ion of the main application in adsorbing soil.Application number 201510728525.1 discloses one kind
The preparation method of luminous hydrogel composite material, is mainly water absorbing and retaining properties, is also equipped with lighting function for ornamental.Application number
201611262705.6 disclose a kind of selenium-enriched plant source synergy biology compound film former, and the compound film former provided passes through organic
Fertilizer, inorganic fertilizer, microorganism fertilizer " three fertilizer combine ", improve inorganic fertilizer utilization rate, improve soil texture, but above-mentioned fertilizer does not have simultaneously
Have and embodies anti-hardened effect outstanding；Although and polymeric gel microballoon has high adsorption capacity and suction in the prior art
Attached amount, but since microspherulite diameter is smaller or absorption property is poor, combination stability of the organic fertilizer in micropore is poor, resists outer
The energy force difference of boundary's environmental change, a small amount of moisture, which enters, just dissolves rapidly fertilizer nutrient after micropore, leads to the release speed of fertilizer nutrient
Degree is very fast, is lost in seriously, utilization rate of fertilizer is not high, and slow release effect is not good enough.The Chinese patent application of Publication No. CN1470485A
Carrier type slow-release fertilizer and preparation method thereof is disclosed, chemical fertilizer and carrier mass are stirred by this method, and crosslinking agent is added and fills
Divide reaction and obtain, but load capacity is limited, needs the dosage for increasing carrier mass and crosslinking agent that could increase the load of fertilizer, therewith
Cost also increased；Simultaneously use polymer support in water have certain dissolubility, can not absorb water, be retained and
It is sustained moisture.It is urgent need to resolve to provide a kind of anti-hardened, fertilizer conservation sustained release, the organic fertilizer that stability is good, full of nutrition of effectively loosening the soil
One of the problem of.
Invention content
The object of the invention：The organic fertilizer gel particle of a kind of water-absorbing-retaining, fertilizer fertilizer conservation, effective improvement soil hardening is provided
And preparation method thereof, soil hardening is effectively improved, the utilization ratio of organic nutrient is improved, organic fertilizer gel particle our company life
Name " Jin He 3 ".
The technical problem of the present invention：Soil hardening improved effect in currently available technology is overcome not protrude, water-absorbing-retaining supplies
The problems such as fertile fertilizer conservation is ineffective, emergence rate is low provides a kind of mode of the improvement soil of different thinkings.
Technical scheme of the present invention：A kind of preparation method of the organic fertilizer gel particle of effective improvement soil hardening, it is special
Sign is, prepares according to the following steps：(1) preparation of base manure particle：According to the ratio by 10-20 mass parts turf, 10-20 mass
Part rice hulls, 10-20 mass parts fulvic acid, 5-10 mass parts trace element, 10-20 mass parts peanut shell, 10-20 mass parts are rotten
It is uniformly mixed to grow acid, 10-20 mass parts stalks, is sent into comminutor and is granulated after crushing, obtain base manure particle；(2) composite crosslinking
The preparation of liquid：Pva powder is taken, by quality ratio, in pva powder: the ratio of deionized water=3-5: 100 will gather
Vinyl alcohol powder is added in 90-95 DEG C of deionized water, and continuous heating stirring makes it all dissolve and is in molten condition；Take carboxylic
Sodium carboxymethylcellulose pyce and titanium dioxide, by quality ratio, sodium carboxymethylcellulose: titanium dioxide (or nano titanic oxide sol)
: deionized water=1: 1: 100,80-85 DEG C of continuous heating stirrings make its whole dissolve to obtain sodium carboxymethylcellulose and titanium dioxide
The mixed liquor of (or nano titanic oxide sol)；By the polyvinyl alcohol, sodium carboxymethylcellulose and titanium dioxide of molten condition (or
Nano titanic oxide sol) mixed liquor mixes with the ratio of volume ratio 1: 1, then to be added by mass percentage into mixed liquor
The chitosan of 0.3-0.8%；It is warming up to 95-100 DEG C, 200-300r/min, which is at the uniform velocity stirred, carries out graft polymerization reaction 1.5-2h,
Stop stirring and be naturally cooling to 75-80 DEG C of holding 15-20min, cooled to room temperature obtains the poly- second of sodium carboxymethylcellulose-
Enol-chitosan-silicon dioxide composite crosslinking liquid；(3) crosslinked fluid is granulated together with base manure particle, dry, screening is coagulated
Glue granular organic fertilizer.To be more efficient, a kind of preparation method of the organic fertilizer of further preferably described effective improvement soil hardening is also
Include the following steps：(4) will gel particle organic fertilizer is further used as inner core particles；(5) mass fraction is pressed, 2-3 parts of N are taken,
N- acrylamides or n-isopropyl acrylamide, 0.5-1.2 part acrylic acid or oleic acid, 0.1-0.6 part N, N '-methylene
Bisacrylamide, 160-200 part water are in reaction kettle；After 300-350r/min is stirred and evenly mixed, 0.2-0.3 parts of dodecyls are added
Sodium sulfonate；It is passed through nitrogen or argon gas, ventilatory capacity 100-500ml/min is heated to 70-80 DEG C, and points 2 times by 0.2-0.3 parts of mistakes
The mixed liquor of potassium sulfate or sodium peroxydisulfate and 60 parts of water is added thereto, and the interval time of addition is 45-60min, continues stirring heat
Polymerisation 2-4h, whole process are kept stirring, and gained reaction product is environment sensitive type microgel emulsion；(6) microgel breast
Liquid is ejected into gel inner core particles the step of completing coating again, dries, detects, packing and to obtain product.It is preferred that adjusting gel
Grain organic fertilizer particles pH value be 6.0-7.0, preferably 6.5, be in subacidity.
Beneficial effects of the present invention：
(1) a kind of sodium carboxymethylcellulose-polyvinyl alcohol-chitosan-silicon dioxide crosslinked fluid is provided, flexible is its spy
Color, tensile strength is big, which forms excellent under the important auxiliary of the high fibrous framework ingredient such as rice hulls, peanut shell, stalk
In the gap of existing three-dimensional net structure or aperture, big, strong adsorption force, specific surface area bigger gel particle, is conducive to storage more
More fertilizer, amount of storage are up to 200% of polymer quality or more, solve the problems, such as that fertilizer load capacity is low；Meanwhile the gel is poly-
Close object base material due to different raw materials, with when preparation method, so that a greater amount of hydrophilic radical carboxyls is stretched and be exposed,
Moisture can be absorbed in soil, hydrone slowly enters in cubic network gel pore, and organic fertilizer nutrient is slowly dissolved simultaneously
It slowly releases, supplies needed for plant growth；Play the role of water tank again simultaneously, when encountering water shortage situation, water tank
The moisture and organic fertilizer and slow release of storage, enhance the waterlogging-resistant ability of crop drought resistance.Due to gel particle water swelling, release water receipts
Contracting, and the gel particle volume change is larger, the process that volume increases and reduces, and is exactly actually to break soil crust, caking
Process.Organic fertilizer is provided, caking is further prevented to gather, relaxation soil is conducive to the breeding of microorganism, forms benign follow
Ring can be effectively improved soil texture, reduce the soil weight, enhance the permeability and drought-resistant ability of soil.Shell is poly- in the prior art
Sugar is used because of its strong water-soluble to be limited, and sodium carboxymethylcellulose-polyvinyl alcohol-silica is used cooperatively with chitosan,
Chitosan can to a certain extent be modified in complicated polymerisation, reduce its water solubility, and then also enhance solidifying
The intensity and slow release of glue particle.Meanwhile the pH value for adjusting gel particle organic fertilizer particles is 6.0-7.0, and preferably 6.5, in micro-
Acidity more preferably plays a role conducive to chitosan, this is because a large amount of free amine groups being dispersed on chitosan chain, in acid condition
Lower protonation can be combined with a large amount of positive charges with negatively charged soil particle, and soil particle is promoted to be formed more more
Big granule, functional group also can reinforce chitosan and soil particle with metallic ion coordination in soil particle on chitosan chain
Combination, also formed conducive to crumb structure.
(2) prilling temperature and mode not only ensure that the binding force of plural gel and base manure particle, but also maintain plural gel
Swelling behavior is warming up to 95-100 DEG C, and 200-300r/min, which is at the uniform velocity stirred, carries out graft polymerization reaction 1.5-2h, stops stirring certainly
It is so cooled to 75-80 DEG C of holding 15-20min, slightly lower holding temperature and time can so that the frame construction formed before is fast
Degree reduces and gently, tends to stablize conducive to the three-dimensional structure formed, the process of cooled to room temperature belongs to " after-ripening " rank
Section is conducive to the promotion of tensile strength.
(3) each specific consumption proportion can be effectively improved soil aggregate structure, eliminate soil hardening, and emergence rate is high, increases
It produces with obvious effects.Humic acid, fulvic acid are not only added because it is organic matter on demand, it is often more important that, researcher is trying
It is found during testing, since fulvic acid is the organic substance of small-molecular-weight colloidality, it contains various active functional group, humic acid
The basic structure of macromolecular is aromatic ring and alicyclic ring, also has the functional groups such as carboxyl, hydroxyl on ring, they are common with specific crosslinked fluid
When complex cross-linked suction-operated occurs, also due to itself adsorptivity and functional group, before this turf, rice hulls, peanut shell,
Link bridging action is played between the particle of stalk, then is acted on simultaneously with crosslinked fluid, to the shape in ideal macropore three-dimensional network space
Decisive role is also played at stability.
(4) subsequent test result shows that crop yield is high, quality is good, fruit is big, and the waterlogging-resistant ability of crop drought resistance is strong, small
It does not dry up after Chinese cabbage emergence, soil aggregate structure is stablized, and has the water stability of 2mm-3mm, the 2mm-3mm in 20 centimetres of topsoil
Water stability soil granular has accounted for 70% or more.
Specific implementation mode
Embodiment 1：
A kind of preparation method of the organic fertilizer gel particle of effective improvement soil hardening, prepares according to the following steps：
(1) preparation of base manure particle：According to the ratio by 15 mass parts turfs, 15 mass parts rice hulls, 25 mass parts fulvic acids,
5 mass parts trace element, 15 mass parts peanut shells, 25 mass parts humic acid, 15 mass parts stalks are uniformly mixed, and are sent into after crushing
It is granulated in comminutor, obtains base manure particle；
(2) preparation of composite crosslinking liquid：Pva powder is taken, by quality ratio, by pva powder: deionized water
Pva powder is added in 92 DEG C of deionized waters by=4: 100 ratio, and continuous heating stirring makes its whole dissolve and locates
In molten condition；Sodium carboxymethylcellulose and titanium dioxide (or nano titanic oxide sol) are taken, by quality ratio, carboxymethyl is fine
The plain sodium of dimension: titanium dioxide (or nano titanic oxide sol): deionized water=1: 1: 100,83 DEG C of continuous heating stirrings keep it complete
Portion dissolve sodium carboxymethylcellulose and titanium dioxide (or nano titanic oxide sol) mixed liquor；By the poly- second of molten condition
Enol, sodium carboxymethylcellulose and titanium dioxide (or nano titanic oxide sol) mixed liquor are mixed with the ratio of volume ratio 1: 1,
Again 0.6% chitosan is added into mixed liquor by mass percentage；98 DEG C are warming up to, 260r/min at the uniform velocity stirs progress
Graft polymerization reaction 1.8h stops stirring and is naturally cooling to 78 DEG C of holding 18min, and cooled to room temperature obtains carboxymethyl fibre
Plain sodium-polyvinyl alcohol-chitosan-silicon dioxide the crosslinked fluid of dimension；
(3) 100 mass parts of crosslinked fluid are granulated together with 60 mass parts of base manure particle, dry, screening obtains gel particle
Organic fertilizer.
Embodiment 2：
A kind of preparation method of the organic fertilizer gel particle of effective improvement soil hardening, which is characterized in that it is according to following
It is prepared by step：
(1) preparation of base manure particle：According to the ratio by 20 mass parts turfs, 20 mass parts rice hulls, 30 mass parts fulvic acids,
8 mass parts trace element, 20 mass parts peanut shells, 30 mass parts humic acid, 20 mass parts stalks are uniformly mixed, and are sent into after crushing
It is granulated in comminutor, obtains base manure particle；
(2) preparation of composite crosslinking liquid：Pva powder is taken, by quality ratio, by pva powder: deionized water
Pva powder is added in 95 DEG C of deionized waters by=5: 100 ratio, and continuous heating stirring makes its whole dissolve and locates
In molten condition；Sodium carboxymethylcellulose and titanium dioxide (or nano titanic oxide sol) are taken, by quality ratio, carboxymethyl is fine
The plain sodium of dimension: titanium dioxide (or nano titanic oxide sol): deionized water=1: 1: 100,85 DEG C of continuous heating stirrings keep it complete
Portion dissolve sodium carboxymethylcellulose and titanium dioxide (or nano titanic oxide sol) mixed liquor；By the poly- second of molten condition
Enol, sodium carboxymethylcellulose and titanium dioxide (or nano titanic oxide sol) mixed liquor are mixed with the ratio of volume ratio 1: 1,
Again 0.8% chitosan is added into mixed liquor by mass percentage；Be warming up to 100 DEG C, 300r/min at the uniform velocity stir into
Row graft polymerization reaction 2h stops stirring and is naturally cooling to 80 DEG C of holding 20min, and cooled to room temperature obtains carboxymethyl fibre
Plain sodium-polyvinyl alcohol-chitosan-silicon dioxide the crosslinked fluid of dimension；
(3) 100 mass parts of crosslinked fluid are granulated together with 80 mass parts of base manure particle, dry, screening obtains gel particle
Organic fertilizer.
Embodiment 3：
(1) preparation of base manure particle：According to the ratio by 15 mass parts turfs, 15 mass parts rice hulls, 25 mass parts fulvic acids,
10 mass parts trace element, 15 mass parts peanut shells, 25 mass parts humic acid, 15 mass parts stalks are uniformly mixed, and are sent after crushing
Enter in comminutor and be granulated, obtains base manure particle；
(2) preparation of composite crosslinking liquid：Pva powder is taken, by quality ratio, by pva powder: deionized water
Pva powder is added in 92 DEG C of deionized waters by=4: 100 ratio, and continuous heating stirring makes its whole dissolve and locates
In molten condition；Sodium carboxymethylcellulose and titanium dioxide (or nano titanic oxide sol) are taken, by quality ratio, carboxymethyl is fine
The plain sodium of dimension: titanium dioxide (or nano titanic oxide sol): deionized water=1: 1: 100,83 DEG C of continuous heating stirrings keep it complete
Portion dissolve sodium carboxymethylcellulose and titanium dioxide (or nano titanic oxide sol) mixed liquor；By the poly- second of molten condition
Enol, sodium carboxymethylcellulose and titanium dioxide (or nano titanic oxide sol) mixed liquor are mixed with the ratio of volume ratio 1: 1,
Again 0.6% chitosan is added into mixed liquor by mass percentage；98 DEG C are warming up to, 260r/min at the uniform velocity stirs progress
Graft polymerization reaction 1.8h stops stirring and is naturally cooling to 78 DEG C of holding 18min, and cooled to room temperature obtains carboxymethyl fibre
Plain sodium-polyvinyl alcohol-chitosan-silicon dioxide the crosslinked fluid of dimension；
(3) 100 mass parts of crosslinked fluid are granulated together with 60 mass parts of base manure particle, dry, screening obtains gel particle
Organic fertilizer.
(4) will gel particle organic fertilizer is further used as inner core particles；
(5) mass fraction is pressed, 2 parts of N, N- acrylamides or n-isopropyl acrylamide, 1 part of acrylic acid or oil are taken
Acid, 0.3 part of N, N '-methylene-bisacrylamides, 180 parts of water are in reaction kettle；After 330 stir and evenly mix, 0.2 part of dodecane is added
Base sodium sulfonate；It is passed through nitrogen or argon gas, ventilatory capacity 300ml/min is heated to 75 DEG C, and points 2 times by 0.2 part of potassium peroxydisulfate or mistake
The mixed liquor of sodium sulphate and 60 parts of water is added thereto, and the interval time of addition is 45min, continues to stir heat polymerization 2.5h,
Whole process is kept stirring, and gained reaction product is environment sensitive type microgel emulsion；
(6) microgel emulsion is ejected into gel inner core particles the step of completing coating again, dries, detects, packs
Product.
Contrast test
Experiment one：The contrast test of crosslinked fluid component
The preparation of composite crosslinking liquid test specimen：
No. 0：Blank control：It does not apply fertilizer.
No. 1：The base manure particle that 1 step of embodiment (1) obtains.
No. 2：Prepared by the method for crosslinked fluid embodiment 1, but wherein with polyvinyl alcohol, sodium carboxymethylcellulose and gelatin, shell
Glycan prepares crosslinked fluid, i.e., replaces titanium dioxide or nano titanic oxide sol with gelatin.
No. 3：Embodiment 1, but it is wherein molten with polyvinyl alcohol, sodium carboxymethylcellulose and titanium dioxide or nano-titanium dioxide
Glue prepares crosslinked fluid, that is, omits the addition step of chitosan.
No. 4：Embodiment 1 omits titanium dioxide wherein preparing crosslinked fluid with polyvinyl alcohol, sodium carboxymethylcellulose, chitosan
The amount of the addition of titanium or nano titanic oxide sol, omission is supplied with deionized water.
No. 5：Embodiment 1.
No. 6：Embodiment 3.
Field trial：Choose Shanghai area industrial park in one piece of area be about 6000 square meters hardened soil, decile, if
Horizontalization row and repetition, crop choice pakchoi apply 80 kilograms of products before sowing, sprinkle profoundly water and keep moistening per acre, intermediate
Testing index after watering 1 time, 20 days.
Table 1
The test result of table 1 shows, sodium carboxymethylcellulose-polyvinyl alcohol-chitosan-silicon dioxide that the application obtains
Crosslinked fluid effect in terms of improving soil water-stable granule ratio, emergence rate, reducing soil weight rate protrudes.Chitosan cannot be by
It omits.
Experiment two：The contrast test of crosslinked fluid component different ratio
No. 1：By the polyvinyl alcohol of molten condition, CMC sodium and titanium dioxide mixed liquor with volume ratio 2：1 ratio mixing,
Again 0.6% chitosan is added into mixed liquor by mass percentage, other steps are same as Example 1.
No. 2：The polyvinyl alcohol of molten condition, CMC sodium and titanium dioxide mixed liquor are mixed with the ratio of volume ratio 1: 2,
Again 0.6% chitosan is added into mixed liquor by mass percentage, other steps are same as Example 1.
No. 3：The polyvinyl alcohol of molten condition, CMC sodium and titanium dioxide mixed liquor are mixed with the ratio of volume ratio 1: 1,
Again 1.0% chitosan is added into mixed liquor by mass percentage, other steps are same as Example 1.
No. 4：The polyvinyl alcohol of molten condition, CMC sodium and titanium dioxide mixed liquor are mixed with the ratio of volume ratio 1: 1,
Again 0.2% chitosan is added into mixed liquor by mass percentage, other steps are same as Example 1.
No. 5：Embodiment 1.
No. 6：Embodiment 2.
Table 2
2 result of table illustrates the ratio and shell of both the polyvinyl alcohol of molten condition, CMC sodium and titanium dioxide mixed liquor
The mass percent dosage of glycan, has a significant effect to fertilizer efficiency, and specific dosage is critically important, synergistic before component, simple to try
It tests and is difficult to optimize to obtain.
Experiment three：The contrast test of organic principle dosage in base manure particle
No. 1：15 mass parts turfs, 15 mass parts rice hulls, 35 mass parts fulvic acids, 5 mass parts trace element, 15 mass
Part peanut shell, 30 mass parts humic acid, 15 mass parts stalks.Other Step By Conditions are the same as embodiment 1.
No. 2：20 mass parts turfs, 20 mass parts rice hulls, 35 mass parts fulvic acids, 5 mass parts trace element, 20 mass
Part peanut shell, 35 mass parts humic acid, 20 mass parts stalks.Other Step By Conditions are the same as embodiment 1.
No. 3：15 mass parts turfs, 15 mass parts rice hulls, 25 mass parts fulvic acids, 5 mass parts trace element, 15 mass
Part peanut shell, 25 mass parts humic acid, 15 mass parts stalks.That is embodiment 1.
No. 4：20 mass parts turfs, 20 mass parts rice hulls, 30 mass parts fulvic acids, 8 mass parts trace element, 20 mass
Part peanut shell, 30 mass parts humic acid, 20 mass parts stalks.That is embodiment 2.
Table 3
From table 3 it can be seen that attempting to have to improve soil by two kinds of organic matter dosages for increasing fulvic acid and humic acid
Machine matter content is unworkable, not only increases cost, and the organic matter in soil water-stable granule ratio and soil is not yet
It can be promoted, the ratio that the present invention optimizes is best.
Claims (3)
1. a kind of preparation method of the organic fertilizer gel particle of effective improvement soil hardening, which is characterized in that it is according to following step
It is rapid to prepare：
(1) preparation of base manure particle：It is according to the ratio that 10-20 mass parts turf, 10-20 mass parts rice hulls, 20-30 mass parts are yellow
Rotten acid, 5-10 mass parts trace element, 10-20 mass parts peanut shell, 20-30 mass parts humic acid, 10-20 mass parts stalks are mixed
It closes uniformly, is sent into comminutor and is granulated after crushing, obtain base manure particle；
(2) preparation of composite crosslinking liquid：Pva powder is taken, by quality ratio, by pva powder: deionized water=3-
Pva powder is added in 90-95 DEG C of deionized water by 5: 100 ratio, and continuous heating stirring makes its whole dissolve and locates
In molten condition；Take sodium carboxymethylcellulose and titanium dioxide, by quality ratio, sodium carboxymethylcellulose: titanium dioxide (or receive
Rice TiO 2 sol): deionized water=1: 1: 100,80-85 DEG C of continuous heating stirrings make its whole dissolve to obtain carboxymethyl cellulose
The mixed liquor of plain sodium and titanium dioxide (or nano titanic oxide sol)；By the polyvinyl alcohol of molten condition, carboxymethyl cellulose
Sodium and titanium dioxide (or nano titanic oxide sol) mixed liquor are mixed with the ratio of volume ratio 1: 1, then with by mass percentage
Count the chitosan that 0.3-0.8% is added into mixed liquor；It is warming up to 95-100 DEG C, preferably 200-300r/min at the uniform velocity stirs progress
Graft polymerization reaction 1.5-2h stops stirring and is naturally cooling to 75-80 DEG C of holding 15-20min, and cooled to room temperature obtains
Sodium carboxymethylcellulose-polyvinyl alcohol-chitosan-silicon dioxide composite crosslinking liquid；
(3) 100 mass parts of crosslinked fluid are granulated together with base manure particle 50-80 mass parts, dry, screening, which obtains gel particle, to be had
Machine fertilizer.
2. a kind of preparation method of the organic fertilizer of effective improvement soil hardening described in claims 1 or 2, which is characterized in that adjust
The pH value of gel particle organic fertilizer particles be 6.0-7.0, preferably 6.5, be in subacidity.
3. a kind of preparation method of the organic fertilizer of effective improvement soil hardening as claimed in claim 1 or 2, which is characterized in that be
Further synergy, it is further comprising the steps of：
(4) preferably the gel particle organic fertilizer that claim 1-3 either method obtains further is coated as inner core particles；
(5) mass fraction is pressed, 2-3 parts of N, N- acrylamides or n-isopropyl acrylamide, 0.5-1.2 part acrylic acid are taken
Or oleic acid, 0.1-0.6 part N, N '-methylene-bisacrylamides, 160-200 part water are in reaction kettle；300-350r/min is stirred
After mixing, 0.2-0.3 parts of dodecyl sodium sulfates are added；It is passed through nitrogen or argon gas, ventilatory capacity 100-500ml/min, heating
To 70-80 DEG C, the mixed liquor of 0.2-0.3 parts of potassium peroxydisulfates (or sodium peroxydisulfate) and 60 parts of water is added thereto at twice, is added
Interval time be 45-60min, continue stirring and carry out heat polymerization 2-4h, whole process keeps stirring, gained reaction product
For environment sensitive type microgel emulsion；
(6) microgel emulsion is ejected into gel inner core particles the step of completing coating again, dries, detects, packing and to obtain product.
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Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109020709A (en) * | 2018-09-20 | 2018-12-18 | 吴刚 | A kind of preparation method of fertilizer anticaking agent |
| CN109134146A (en) * | 2018-09-11 | 2019-01-04 | 河北麦森钛白粉有限公司 | A kind of soil-repairing agent containing loading nano-titania |
| CN110218112A (en) * | 2019-05-31 | 2019-09-10 | 王红玲 | A kind of biological compound fertilizer and preparation method thereof using waste straw preparation |
| CN113409669A (en) * | 2021-05-27 | 2021-09-17 | 山东师范大学 | Teaching demonstration device for landslide |
Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101974192A (en) * | 2010-10-15 | 2011-02-16 | 中国热带农业科学院环境与植物保护研究所 | Intelligent high water absorption and waterholding material and preparation method and application thereof in desertification control |
| CN102327761A (en) * | 2011-07-26 | 2012-01-25 | 东华大学 | Polymer composite micro-bead and preparation method thereof |
| CN104788191A (en) * | 2015-04-13 | 2015-07-22 | 北京信大虹影环保工程有限公司 | Compound fertilizer with super-high water retention and drought resistance, and preparation method for compound fertilizer |
| CN107188690A (en) * | 2017-06-15 | 2017-09-22 | 宿松县宝利鑫家庭农场 | A kind of preparation method of water conservation plural gel organic fertilizer |
| CN107266166A (en) * | 2017-06-15 | 2017-10-20 | 宿松县宝利鑫家庭农场 | A kind of water retention organic fertilizer of degrading pesticide residues |
| CN107522812A (en) * | 2017-09-06 | 2017-12-29 | 河北工程大学 | It is a kind of can slow-release nutrient bone meal Quito function water-loss reducer preparation method |
-
2018
- 2018-03-21 CN CN201810232138.2A patent/CN108314531A/en active Pending
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101974192A (en) * | 2010-10-15 | 2011-02-16 | 中国热带农业科学院环境与植物保护研究所 | Intelligent high water absorption and waterholding material and preparation method and application thereof in desertification control |
| CN102327761A (en) * | 2011-07-26 | 2012-01-25 | 东华大学 | Polymer composite micro-bead and preparation method thereof |
| CN104788191A (en) * | 2015-04-13 | 2015-07-22 | 北京信大虹影环保工程有限公司 | Compound fertilizer with super-high water retention and drought resistance, and preparation method for compound fertilizer |
| CN107188690A (en) * | 2017-06-15 | 2017-09-22 | 宿松县宝利鑫家庭农场 | A kind of preparation method of water conservation plural gel organic fertilizer |
| CN107266166A (en) * | 2017-06-15 | 2017-10-20 | 宿松县宝利鑫家庭农场 | A kind of water retention organic fertilizer of degrading pesticide residues |
| CN107522812A (en) * | 2017-09-06 | 2017-12-29 | 河北工程大学 | It is a kind of can slow-release nutrient bone meal Quito function water-loss reducer preparation method |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109134146A (en) * | 2018-09-11 | 2019-01-04 | 河北麦森钛白粉有限公司 | A kind of soil-repairing agent containing loading nano-titania |
| CN109020709A (en) * | 2018-09-20 | 2018-12-18 | 吴刚 | A kind of preparation method of fertilizer anticaking agent |
| CN110218112A (en) * | 2019-05-31 | 2019-09-10 | 王红玲 | A kind of biological compound fertilizer and preparation method thereof using waste straw preparation |
| CN113409669A (en) * | 2021-05-27 | 2021-09-17 | 山东师范大学 | Teaching demonstration device for landslide |
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