CN108658697A - The preparation method of golden silk willow composite fertilizer - Google Patents
The preparation method of golden silk willow composite fertilizer Download PDFInfo
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- CN108658697A CN108658697A CN201810404730.6A CN201810404730A CN108658697A CN 108658697 A CN108658697 A CN 108658697A CN 201810404730 A CN201810404730 A CN 201810404730A CN 108658697 A CN108658697 A CN 108658697A
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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
- C05G5/30—Layered or coated, e.g. dust-preventing coatings
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Abstract
The invention discloses the preparation method of golden silk willow composite fertilizer, preparation method includes：Fermentation, system fertilizer, coating, compounding, the ethanol solution of glycidyl sulfonate and feces of livestock and poultry, soyabean expeller etc. are fermented to obtain ecological organic fertilizer first, fertiliser granulates are made in the granulations such as itself and urea, humic acid, separately prepare konjaku graft acrylic acid acrylamide copolymer humic acid composite water absorbing coating hydrogel, hydrogel is sprayed on fertiliser granulates surface again, then bentonite is sprinkled with up to golden silk willow composite fertilizer on surface.It has the beneficial effect that：Preparation is simple for this composite fertilizer, fermentation can be such that the pathogen in ecological organic fertilizer inactivates, substantially reduce anti-nutritional factors content, when preparing water imbibition coating hydrogel, its crosslinking degree, molecular weight extension speed can be effectively controlled, to which the viscosity of hydrogel, the degree of cross linking are moderate, and finally it is greatly improved the moisture holding capacity and sustained release performance of composite fertilizer.
Description
Technical field
The present invention relates to composite fertilizer fields, more particularly, to the preparation method of golden silk willow composite fertilizer.
Technical background
Golden silk willow（Classification system：Salix X aureo-pendula.）It is that Salicales, Salicaceae, the fallen leaves of Salix are tall
Wood.The golden silk willow speed of growth is fast, the long oval of tree crown or oval, and branch is elongated sagging.Sprig yellow or golden yellow.Leaf is narrow
Long lanceolar, 9~14 centimetres long, edge has serration.This kind is cenospecies, and most area has cultivation on the south Shenyang, wherein with
For Zhuanghe one with more, kind protection is preferable.It is excellent ornamental plantation seeds.Light, relatively cold-resistant, property happiness water is wet, is also resistant to dry
Drought, saline-alkali tolerant are advisable with moistening, well-drained soil.Like warm and moist weather and moist deep acidity and neutral soil.
It is relatively cold-resistant, it is special water-fast wet, but can also be born in the deep Arid Area of soil layer, it is preferably best and water and soil fixes the sand with rich soil
Good seeds.Rudiment power is strong, well developed root system, and growth is rapid.
Invention content
The purpose of the present invention is to provide the preparation method of golden silk willow composite fertilizer, the preparation process of this composite fertilizer is simply easy
Row, fermentation can be such that the pathogen in ecological organic fertilizer inactivates, and substantially reduce anti-nutritional factors content, prepare water imbibition coating water-setting
When glue, crosslinking degree, molecular weight extension speed can be effectively controlled, to which the viscosity of hydrogel, the degree of cross linking are moderate, and
The final moisture holding capacity and sustained release performance for being greatly improved composite fertilizer.
The present invention is directed to the problem of being mentioned in background technology, and the technical solution taken is：
The preparation method of golden silk willow composite fertilizer, including：Fermentation, system fertilizer, coating, compounding, specifically include following steps：
Fermentation：Glycidyl sulfonate is dissolved in 50~60 times of ethyl alcohol, 2.5~2.8 parts by weight of accurate weighing are shunk sweet
The ethanol solution of oily sulphonic acid ester, with 100~120 parts by weight feces of livestock and poultry, 150~180 parts by weight soyabean expellers, 25~30 parts by weight
Bamboo charcoal, 20~25 parts by weight medical stone powders, 0.2~0.25 part of colloid bacillus cereus are uniformly mixed, and deionized water, which is added, to be made
Water content is 35~45%, and 15~18 days are fermented at a temperature of 33~35 DEG C up to ecological organic fertilizer；The condition existing for ethyl alcohol
Under, glycidyl sulfonate can infiltrate through in pathogen body, obstruct the genetic transcription of pathogen, destroy the life of acetyl coenzyme A
At mechanism, secretion and the activity of acetyl coenzyme A are reduced, and further decreases the luminous efficiency of pathogen tricarboxylic acid cycle, is inhibited
Pathogen manufactures energy, to kill pathogen；After fermented, composting material is decomposed, and stench disappears, pathogeny bacterium in raw material,
Worm's ovum, grass-seed etc. all kill, and the anti-nutritional factors content in excrement, dregs of beans is substantially reduced, and livestock and poultry manure fermentation can make to have
Machine matter content increases, and the trace element under fermentation in medical stone is precipitated, and enriches the nutritional ingredient of fertilizer, bamboo charcoal is not
Only play the role of carbon sequestration, water holding, is also used as carrier transport organic matter, humic acid, trace element ion, is conducive to root system
Absorption to them；
System fertilizer：Weigh 80~100 parts by weight ecological organic fertilizers, 18~20 parts by weight of urea, 5~10 parts by weight of phosphoric acid potassium dihydrogens, 5
~8 parts by weight humic acids and 2~3 parts by weight potassium chloride are granulated after uniformly mixing 15~20min at a temperature of 35~38 DEG C, grain size
For 1~3mm, drying fertiliser granulates；Fertilizer, which can not only increase soil nutrient, to be withheld, reduces the soil weight, increases porosity,
Play the role of improving soil texture, soil property is made to be more suitable for golden silk willow growth, moreover it is possible to be provided for golden silk willow growth required
Organic matter, humic acid, moreover it is possible to which micro- in nitrogen, phosphorus, potassium, iron, calcium, zinc, magnesium, manganese etc., promotion seedling growth, reduction trouble are provided
The probability of pest and disease damage；
Coating:It weighs 4.0~4.2 parts by weight konjaku glucomannans and is added to reactor, be dissolved in 5~10 times of deionized waters, hold
Continuous to be passed through nitrogen protection, 38~40 DEG C of 45~60min of stirring preheating of water-bath obtain solution A；Separately weigh 4.5~5.0 parts by weight propylene
Acid is slowly added 8~10mol/L sodium hydroxide solutions, the degree of neutralization of acrylic acid is made to reach 68~85%, thereto to neutralizing
Acrylic acid solution in 4.0~4.5 parts by weight propylene amides and 0.5~0.8 parts by weight humic acid is added, after fully dissolving mixes
Obtain solution B；0.01~0.012 parts by weight thiocarbamide and 0.0026~0.0027 part (R, R) -2 are added into preheated solution A,
5- dimethyl Peng Sour alkane makees initiator, and solution B is poured into after stirring, then 0.02~0.025 parts by weight N, N- methylene is added dropwise
Bisacrylamide, and the deionized water of gross weight 50~100% is added, under nitrogen sustainable protection, bath temperature rises to 63~65
DEG C, under the conditions of being stirred continuously, 1~2h is reacted, 0.5~0.6 part of thiocarbamide is then added, 2~3h is reacted under the same terms, with 95~
Low temperature drying is up to water imbibition coating hydrogel after the washing of 100% ethyl alcohol；There is the aperture being much recessed in hydrogel sample surface,
It also can significantly see that closed cavity, the structure are convenient in water penetration to polymer network in cross section, be conducive to water absorbing agent
The raising of water absorbing properties；When initial reaction, micro thiocarbamide is added with (R, R) -2,5- dimethyl Peng Sour alkane as initiator, adds
Enter micro N, N- methylene-bisacrylamides come initiation reaction, the copolymerization of konjaku graft acrylic acid-acrylamide as crosslinking agent
Crosslinking points in object-humic acid composite water absorbing solution are moderate, and molecular weight of copolymer is moderate, and (R, R) -2,5- dimethyl Peng Sour alkane rises
To the effect of delayed cross-linking, the polymerization inhibitor for reducing molecular weight extension speed, the viscosity of solution is made to be unlikely to too big, reactant can be with
It moves freely, in the reaction journey, adding more initiator thiocarbamides can promote the degree of cross linking to be promoted steadily, copolymer reticular structure
Hole increase, moisture holding capacity is remarkably enhanced, further to provide architecture basics including fertilizer, and greatly
Improve the slow-release capability to wrapping up fertilizer in the inner；
Compounding:The fertiliser granulates of uniform particle sizes after screening are put into the rotary drum of rotation, the pre-heat treatment is carried out, fertilizer surface is made to reach
To 35~40 DEG C, coating hydrogel is equably sprayed on fertilizer surface with high-pressure spray-painted rifle, is subsequently placed at 65~70 DEG C and does
Water conservation coated slow-release composite fertilizer is made in dry 2~3h；Water is sprayed onto coated fertilizer with the nozzle of 0.2~0.3MPa of pressure again
Grain surface, is then uniformly sprinkled with bentonite on surface, is put into dehydration in baking oven and obtains the double-deck coating of golden silk willow to constant weight and protect
Water slow-release compound fertilizer；Outer layer bentonite has slowed down infiltration of the aqueous solution to fertiliser granulates in soil by providing physical barriers, gold
Silk weeping willow has stronger moisture holding capacity with composite fertilizer, and after water penetration crosses outer layer bentonite, super strength water absorbent can form hydrogel,
A kind of dynamic exchange is will produce between Free water and the soil liquid in hydrogel, then Free water passes through aquogel polymer net
Nano-pore in network is diffused into fertilizer core, and fertilizer starts to dissolve；The fertilizer nutrient being dissolved in the water penetrates hydrogel layer, then
It in the dynamic exchange with Free water and then is diffused into outside bentonite bed, is finally discharged into soil.
Compared with the prior art, the advantages of the present invention are as follows：
1）Under the conditions of existing for ethyl alcohol, glycidyl sulfonate can infiltrate through in pathogen body, obstruct the gene of pathogen
Transcription, destroys the generting machanism of acetyl coenzyme A, reduces secretion and the activity of acetyl coenzyme A, and further decreases pathogen tricarboxylic
The luminous efficiency of acid cycle, inhibits pathogen to manufacture energy, kills pathogen；
2）When initial reaction, micro thiocarbamide initiation reaction, konjaku graft acrylic acid-acrylamide copolymer-humic acid is added
Crosslinking points in composite water absorbing solution are moderate, and molecular weight of copolymer is moderate, and (R, R) -2,5- dimethyl Peng Sour alkane can delay to hand over
Connection reduces molecular weight extension speed, so that the viscosity of solution is unlikely to too big, reactant can move freely, and add and more draw
Hair agent thiocarbamide can step up crosslinking copolymers degree, increase water ability；
3）After during slow-release compound fertilizer is manured into soil, outer layer bentonite has slowed down infiltration of the aqueous solution to fertiliser granulates in soil,
After water penetration crosses outer layer bentonite, super strength water absorbent can form hydrogel, and composite fertilizer has stronger water ability；
4）A kind of dynamic exchange is will produce between Free water and the soil liquid in hydrogel, then Free water is poly- by hydrogel
Nano-pore in polymeric network is diffused into fertilizer core, and fertilizer starts to dissolve；The fertilizer nutrient being dissolved in the water penetrates hydrogel
Then layer is diffused into outside bentonite bed in the dynamic exchange with Free water, is finally discharged into soil, is a kind of high in turn
The golden silk willow composite fertilizer of effect, safety.
Specific implementation mode
The present invention program is described further below by embodiment：
Embodiment 1：
The preparation method of golden silk willow composite fertilizer, includes the following steps：
1）Glycidyl sulfonate is dissolved in 50 times of ethyl alcohol, the second of 2.5 parts by weight glycidyl sulfonate of accurate weighing
Alcoholic solution, with 100 parts by weight feces of livestock and poultry, 150 parts by weight soyabean expellers, 25~30 parts by weight bamboo charcoals, 20 parts by weight wheat meals
Mountain flour, 0.2 part of colloid bacillus cereus are uniformly mixed, and deionized water, which is added, makes water content be 35%, ferments 15 at a temperature of 33 DEG C
It is up to ecological organic fertilizer；2）Weigh 80 parts by weight ecological organic fertilizers, 18 parts by weight of urea, 5 parts by weight of phosphoric acid potassium dihydrogens, 5 weights
Amount part humic acid and 2 parts by weight potassium chloride are granulated after uniformly mixing 15min at a temperature of 35 DEG C, grain size 1mm, drying fertilizer
Expect particle；3）It weighs 4.0 parts by weight konjaku glucomannans and is added to reactor, be dissolved in 5 times of deionized waters, be continually fed into nitrogen
Protection, 38 DEG C of stirring preheating 45min of water-bath obtain solution A；4.5 parts by weight of acrylic acid separately are weighed, 8mol/L is slowly added thereto
Sodium hydroxide solution makes the degree of neutralization of acrylic acid reach 68%, and 4.0 parts by weight propylene are added into the acrylic acid solution neutralized
Amide and 0.5 parts by weight humic acid fully obtain solution B after dissolving mixing；0.01 parts by weight sulphur is added into preheated solution A
Urea and 0.0026 part of (R, R) -2,5- dimethyl Peng Sour alkane make initiator, solution B are poured into after stirring, then 0.02 weight is added dropwise
Part N, N- methylene-bisacrylamides, and the deionized water of gross weight 50% is added, under nitrogen sustainable protection, bath temperature rises to
63 DEG C, under the conditions of being stirred continuously, 1h is reacted, 0.5 part of thiocarbamide is then added, reacts 2h under the same terms, after being washed with 95% ethyl alcohol
Low temperature drying is up to water imbibition coating hydrogel；4）The fertiliser granulates of uniform particle sizes after screening are put into the rotary drum of rotation, into
Row the pre-heat treatment makes fertilizer surface reach 35 DEG C, coating hydrogel is equably sprayed on fertilizer surface with high-pressure spray-painted rifle, so
It is placed at 65 DEG C dry 2h, water conservation coated slow-release composite fertilizer is made；Water is sprayed onto coating with the nozzle of pressure 0.2MPa again
Then fertiliser granulates surface is uniformly sprinkled with bentonite on surface, be put into dehydration in baking oven and obtain golden silk willow bilayer to constant weight
Coated water-retaining sustained-release composite fertilizer.
Embodiment 2：
The preparation method of golden silk willow composite fertilizer, specifically includes following steps：
1）Fermentation：2.8 parts by weight of ethanol of accurate weighing, 120 parts by weight feces of livestock and poultry, 180 parts by weight soyabean expellers, 30 parts by weight bamboos
Charcoal, 25 parts by weight medical stone powders, 0.25 part of colloid bacillus cereus are uniformly mixed, and deionized water, which is added, makes the water content be
45%, 18 days are fermented at a temperature of 35 DEG C up to ecological organic fertilizer；After fermented, composting material is decomposed, and stench disappears, in raw material
Pathogeny bacterium, worm's ovum, grass-seed etc. all kill, the anti-nutritional factors content in excrement, dregs of beans is substantially reduced, animal dung hair
Ferment can be such that the content of organic matter increases, and the trace element under fermentation in medical stone is precipitated, and enriches the nutritional ingredient of fertilizer, bamboo
Charcoal not only acts as the effect of carbon sequestration, water holding, is also used as carrier transport organic matter, humic acid, trace element ion, has
Absorption conducive to root system to them；
2）System fertilizer：It is rotten to weigh 100 parts by weight ecological organic fertilizers, 20 parts by weight of urea, 10 parts by weight of phosphoric acid potassium dihydrogens, 8 parts by weight
Phytic acid and 3 parts by weight potassium chloride are granulated after uniformly mixing 20min at a temperature of 38 DEG C, grain size 3mm, drying fertilizer
Grain；Fertilizer, which can not only increase soil nutrient, to be withheld, reduces the soil weight, increases porosity, plays the role of improving soil texture,
Soil property is set to be more suitable for golden silk willow growth, moreover it is possible to provide required organic matter, humic acid for golden silk willow growth, moreover it is possible to provide
It is micro- in nitrogen, phosphorus, potassium, iron, calcium, zinc, magnesium, manganese etc., promote seedling growth, reduces the probability of illness insect pest；
3）Coating:It weighs 4.2 parts by weight konjaku glucomannans and is added to reactor, be dissolved in 10 times of deionized waters, be continually fed into
Nitrogen protection, 40 DEG C of stirring preheating 60min of water-bath obtain solution A；5.0 parts by weight of acrylic acid separately are weighed, are slowly added thereto
10mol/L sodium hydroxide solutions make the degree of neutralization of acrylic acid reach 85%, and 4.5 weight are added into the acrylic acid solution neutralized
Part acrylamide and 0.8 parts by weight humic acid fully obtain solution B after dissolving mixing；It is added 0.012 into preheated solution A
Parts by weight thiocarbamide and 0.0027 part of (R, R) -2,5- dimethyl Peng Sour alkane make initiator, solution B are poured into after stirring, then be added dropwise
0.025 parts by weight N, N- methylene-bisacrylamide, and the deionized water of gross weight 100% is added, under nitrogen sustainable protection, water
Bath temperature rises to 65 DEG C, under the conditions of being stirred continuously, and reacts 2h, and 0.6 part of thiocarbamide is then added, reacts 3h under the same terms, with
Low temperature drying is up to water imbibition coating hydrogel after the washing of 100% ethyl alcohol；There is the aperture being much recessed in hydrogel sample surface,
It also can significantly see that closed cavity, the structure are convenient in water penetration to polymer network in cross section, be conducive to water absorbing agent
The raising of water absorbing properties；When initial reaction, micro thiocarbamide is added with (R, R) -2,5- dimethyl Peng Sour alkane as initiator, adds
Enter micro N, N- methylene-bisacrylamides come initiation reaction, the copolymerization of konjaku graft acrylic acid-acrylamide as crosslinking agent
Crosslinking points in object-humic acid composite water absorbing solution are moderate, and molecular weight of copolymer is moderate, and (R, R) -2,5- dimethyl Peng Sour alkane rises
To the effect of delayed cross-linking, the polymerization inhibitor for reducing molecular weight extension speed, the viscosity of solution is made to be unlikely to too big, reactant can be with
It moves freely, in the reaction journey, adding more initiator thiocarbamides can promote the degree of cross linking to be promoted steadily, copolymer reticular structure
Hole increase, moisture holding capacity is remarkably enhanced, further to provide architecture basics including fertilizer, and greatly
Improve the slow-release capability to wrapping up fertilizer in the inner；
4）Compounding:The fertiliser granulates of uniform particle sizes after screening are put into the rotary drum of rotation, the pre-heat treatment is carried out, makes fertilizer surface
Reach 40 DEG C, coating hydrogel is equably sprayed on fertilizer surface with high-pressure spray-painted rifle, is subsequently placed at 70 DEG C dry 3h, system
Coated slow-release composite fertilizer must be retained；Water is sprayed onto coated fertilizer particle surface with the nozzle of pressure 0.3MPa again, then in table
Face is uniformly sprinkled with bentonite, is put into dehydration in baking oven and obtains golden silk willow two-layer coated water-retaining sustained-release composite fertilizer to constant weight；Outside
Layer bentonite has slowed down infiltration of the aqueous solution to fertiliser granulates, golden silk willow in soil by offer physical barriers to be had with composite fertilizer
After having stronger moisture holding capacity, water penetration to cross outer layer bentonite, super strength water absorbent can form hydrogel, the Free water in hydrogel
It will produce a kind of dynamic exchange between the soil liquid, then Free water is spread by the nano-pore in hydrogel polymer network
To fertilizer core, fertilizer starts to dissolve；The fertilizer nutrient being dissolved in the water penetrates hydrogel layer, then in the dynamic with Free water
It in exchange and then is diffused into outside bentonite bed, is finally discharged into soil.
Embodiment 3：
The preparation method of golden silk willow composite fertilizer, including：Fermentation, system fertilizer, coating, compounding, specifically include following steps：
Fermentation：Glycidyl sulfonate is dissolved in 55 times of ethyl alcohol, 2.8 parts by weight glycidyl sulfonate of accurate weighing
Ethanol solution, with 100 parts by weight feces of livestock and poultry, 160 parts by weight soyabean expellers, 28 parts by weight bamboo charcoals, 24 parts by weight medical stones
Powder, 0.22 part of colloid bacillus cereus are uniformly mixed, and deionized water, which is added, makes water content be 40%, ferments 16 days at a temperature of 34 DEG C
Up to ecological organic fertilizer；Under the conditions of existing for ethyl alcohol, glycidyl sulfonate can infiltrate through in pathogen body, obstruct cause of disease
The genetic transcription of bacterium destroys the generting machanism of acetyl coenzyme A, reduces secretion and the activity of acetyl coenzyme A, and further decreases disease
The luminous efficiency of opportunistic pathogen tricarboxylic acid cycle inhibits pathogen to manufacture energy, to kill pathogen；After fermented, composting material
Decomposed, stench disappears, and pathogeny bacterium, worm's ovum, grass-seed in raw material etc. all kill, the anti-nutritional factors content in excrement, dregs of beans
It is substantially reduced, livestock and poultry manure fermentation can be such that the content of organic matter increases, and the trace element under fermentation in medical stone is precipitated, rich
The rich nutritional ingredient of fertilizer, bamboo charcoal not only act as the effect of carbon sequestration, water holding, be also used as carrier transport organic matter,
Humic acid, trace element ion are conducive to absorption of the root system to them；
System fertilizer：Weigh 95 parts by weight ecological organic fertilizers, 18 parts by weight of urea, 8 parts by weight of phosphoric acid potassium dihydrogens, 7 parts by weight humic acids
It is granulated after uniformly mixing 15min at a temperature of 37 DEG C with 2 parts by weight potassium chloride, grain size 2mm, drying fertiliser granulates；Fertilizer
Material, which can not only increase soil nutrient, to be withheld, reduces the soil weight, increases porosity, is played the role of improving soil texture, is made soil
Matter be more suitable for golden silk willow growth, moreover it is possible to for golden silk willow grow required organic matter, humic acid are provided, moreover it is possible to provide nitrogen, phosphorus,
It is micro- in potassium, iron, calcium, zinc, magnesium, manganese etc., promote seedling growth, reduces the probability of illness insect pest；
Coating:It weighs 4.1 parts by weight konjaku glucomannans and is added to reactor, be dissolved in 8 times of deionized waters, be continually fed into nitrogen
Protection, 38 DEG C of stirring preheating 45min of water-bath obtain solution A；4.8 parts by weight of acrylic acid separately are weighed, 8mol/L is slowly added thereto
Sodium hydroxide solution makes the degree of neutralization of acrylic acid reach 78%, and 4.4 parts by weight propylene are added into the acrylic acid solution neutralized
Amide and 0.6 parts by weight humic acid fully obtain solution B after dissolving mixing；0.01 parts by weight sulphur is added into preheated solution A
Urea and 0.0026 part of (R, R) -2,5- dimethyl Peng Sour alkane make initiator, solution B are poured into after stirring, then 0.02 weight is added dropwise
Part N, N- methylene-bisacrylamides, and the deionized water of gross weight 80% is added, under nitrogen sustainable protection, bath temperature rises to
64 DEG C, under the conditions of being stirred continuously, 1h is reacted, 0.5 part of thiocarbamide is then added, reacts 2.5h under the same terms, is washed with 95% ethyl alcohol
Low temperature drying is up to water imbibition coating hydrogel afterwards；There is the aperture being much recessed in hydrogel sample surface, also may be used in cross section
Significantly see closed cavity, which is convenient in water penetration to polymer network, is conducive to carrying for the water absorbing properties of water absorbing agent
It is high；When initial reaction, micro thiocarbamide is added with (R, R) -2,5- dimethyl Peng Sour alkane as initiator, micro N, N- is added
Methylene-bisacrylamide carrys out initiation reaction as crosslinking agent, and konjaku graft acrylic acid-acrylamide copolymer-humic acid is compound
Crosslinking points in water suction solution are moderate, and molecular weight of copolymer is moderate, and (R, R) -2,5- dimethyl Peng Sour alkane plays delayed cross-linking, drop
The effect of the polymerization inhibitor of low molecular weight extension speed makes the viscosity of solution be unlikely to too big, and reactant can move freely, anti-
Intermediate range is answered, adding more initiator thiocarbamides can promote the degree of cross linking to be promoted steadily, and the hole of copolymer reticular structure increases,
Moisture holding capacity is remarkably enhanced, and further to provide architecture basics including fertilizer, and is greatlyd improve to being wrapped in
The slow-release capability of fertilizer in it；
Compounding:The fertiliser granulates of uniform particle sizes after screening are put into the rotary drum of rotation, the pre-heat treatment is carried out, fertilizer surface is made to reach
To 38 DEG C, coating hydrogel is equably sprayed on fertilizer surface with high-pressure spray-painted rifle, dry 3h is subsequently placed at 66 DEG C, is made
It is retained coated slow-release composite fertilizer；Water is sprayed onto coated fertilizer particle surface with the nozzle of pressure 0.25MPa again, then on surface
It uniformly is sprinkled with bentonite, dehydration in baking oven is put into and obtains golden silk willow two-layer coated water-retaining sustained-release composite fertilizer to constant weight；Outer layer
Bentonite has slowed down infiltration of the aqueous solution to fertiliser granulates, golden silk willow in soil by offer physical barriers to be had with composite fertilizer
Stronger moisture holding capacity, after water penetration crosses outer layer bentonite, super strength water absorbent can form hydrogel, the Free water in hydrogel and
It will produce a kind of dynamic exchange between the soil liquid, then Free water is diffused by the nano-pore in hydrogel polymer network
Fertilizer core, fertilizer start to dissolve；The fertilizer nutrient being dissolved in the water penetrates hydrogel layer, then in the dynamic friendship with Free water
It changes and then is diffused into outside bentonite bed, be finally discharged into soil.
Routine operation in operating procedure of the present invention is well known to those skilled in the art, herein without repeating.
Technical scheme of the present invention is described in detail in embodiment described above, it should be understood that the above is only
For specific embodiments of the present invention, it is not intended to restrict the invention, all any modifications made in the spirit of the present invention,
Supplement or similar fashion replacement etc., should all be included in the protection scope of the present invention.
Claims (9)
1. the preparation method of golden silk willow composite fertilizer, including：Fermentation, system fertilizer, coating, compounding, it is characterised in that：The fermentation step
Suddenly it is：Glycidyl sulfonate is dissolved in ethyl alcohol, the ethanol solution of glycidyl sulfonate is weighed, with feces of livestock and poultry, Huang
Dregs of beans, part bamboo charcoal, medical stone powder, colloid bacillus cereus are uniformly mixed, and deionized water is added, and are fermented up to ecological organic
Fertilizer.
2. the preparation method of golden silk willow composite fertilizer according to claim 1, it is characterised in that：In the fermentation step,
The weight ratio of glycidyl sulfonate and ethyl alcohol is 1:50~60.
3. the preparation method of golden silk willow composite fertilizer according to claim 1, it is characterised in that：In the fermentation step,
The ethanol solution of glycidyl sulfonate is 2.5~2.8 parts by weight, and feces of livestock and poultry is 100~120 parts by weight, soyabean expeller 150
~180 parts by weight, bamboo charcoal be 25~30 parts by weight, medical stone powder be 20~25 parts by weight, colloid bacillus cereus be 0.2~
0.25 part.
4. the preparation method of golden silk willow composite fertilizer according to claim 1, it is characterised in that：The fertile step of the system is：
Ecological organic fertilizer, urea, potassium dihydrogen phosphate, humic acid and the uniform mixing granulation of potassium chloride are weighed, grain size is 1~3mm, and drying is
Obtain fertiliser granulates.
5. the preparation method of golden silk willow composite fertilizer according to claim 4, it is characterised in that：In the fertile step of the system,
Ecological organic fertilizer is 80~100 parts by weight, and urea is 18~20 parts by weight, and potassium dihydrogen phosphate is 5~10 parts by weight, and humic acid is
5~8 parts by weight, potassium chloride are 2~3 parts by weight.
6. the preparation method of golden silk willow composite fertilizer according to claim 1, it is characterised in that：The coating step is：
0.01~0.012 parts by weight thiocarbamide and 0.0026~0.0027 parts by weight (R, R) -2,5- two are added into preheated solution A
Jia Ji Peng Sour alkane makees initiator, and solution B is poured into after stirring, then 0.02~0.025 parts by weight N, N- di-2-ethylhexylphosphine oxide third is added dropwise
Acrylamide, and deionized water is added, under nitrogen sustainable protection, then 0.5~0.6 parts by weight sulphur is added in stirring in water bath reaction
Urea reacts under the same terms, and low temperature drying is up to water imbibition coating hydrogel after ethyl alcohol washing.
7. the preparation method of golden silk willow composite fertilizer according to claim 6, it is characterised in that：In the coating step,
The preparation method of solution A is：It weighs konjaku glucomannan and is added to reactor, be dissolved in deionized water, be continually fed into nitrogen protection,
Stirring in water bath preheats to obtain solution A；The preparation method of solution B is：Acrylic acid is weighed, sodium hydroxide solution is slowly added thereto,
So that the degree of neutralization of acrylic acid is reached 68~85%, acrylamide and part humic acid is added into the acrylic acid solution neutralized, fully
Solution B is obtained after dissolving mixing.
8. the preparation method of golden silk willow composite fertilizer according to claim 7, it is characterised in that：The konjaku glucomannan
For 4.0~4.2 parts by weight, acrylic acid is 4.5~5.0 parts by weight, and acrylamide is 4.0~4.5 parts by weight, humic acid 0.5
~0.8 parts by weight.
9. the preparation method of golden silk willow composite fertilizer according to claim 1, it is characterised in that：The compounding step is：
The fertiliser granulates of uniform particle sizes after screening are put into the rotary drum of rotation, the pre-heat treatment is carried out, fertilizer surface is made to reach 35~40
DEG C, coating hydrogel is equably sprayed on fertilizer surface with high-pressure spray-painted rifle, then dry obtained water conservation coated slow-release is compound
Fertilizer；Water is sprayed onto coated fertilizer particle surface with the nozzle of 0.2~0.3MPa of pressure again, is then uniformly sprinkled with swelling on surface
Soil is put into dehydration in baking oven and obtains golden silk willow two-layer coated water-retaining sustained-release composite fertilizer to constant weight.
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| CN109400397A (en) * | 2018-12-29 | 2019-03-01 | 韩亚博 | A kind of water holding controlled release biologic compound fertilizer and preparation method |
| CN110437014A (en) * | 2019-08-27 | 2019-11-12 | 拉多美（宁陵）化肥有限公司 | A kind of humic acid potassium Selenium-rich composite fertilizer and preparation method |
| CN110436992A (en) * | 2019-07-30 | 2019-11-12 | 拉多美（宁陵）化肥有限公司 | A kind of humic acid potassium efficient phosphorous fertilizer and preparation method |
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| CN105294261A (en) * | 2015-10-30 | 2016-02-03 | 全椒县琪悦家庭农场 | Environment-friendly slow releasing compound fertilizer |
| CN105330415A (en) * | 2015-11-05 | 2016-02-17 | 宁国市汉唐盛世农林开发有限公司 | Water-retaining composite nutrient soil and preparation method thereof |
| US20160340582A1 (en) * | 2002-10-15 | 2016-11-24 | Michael Dennis Krysiak | Soil stabilizer carrier |
| CN107473886A (en) * | 2017-08-24 | 2017-12-15 | 浦江县合洪园艺研发有限公司 | A kind of preparation method of wintersweet composite fertilizer |
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| US20160340582A1 (en) * | 2002-10-15 | 2016-11-24 | Michael Dennis Krysiak | Soil stabilizer carrier |
| CN105294261A (en) * | 2015-10-30 | 2016-02-03 | 全椒县琪悦家庭农场 | Environment-friendly slow releasing compound fertilizer |
| CN105330415A (en) * | 2015-11-05 | 2016-02-17 | 宁国市汉唐盛世农林开发有限公司 | Water-retaining composite nutrient soil and preparation method thereof |
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Cited By (3)
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| CN109400397A (en) * | 2018-12-29 | 2019-03-01 | 韩亚博 | A kind of water holding controlled release biologic compound fertilizer and preparation method |
| CN110436992A (en) * | 2019-07-30 | 2019-11-12 | 拉多美（宁陵）化肥有限公司 | A kind of humic acid potassium efficient phosphorous fertilizer and preparation method |
| CN110437014A (en) * | 2019-08-27 | 2019-11-12 | 拉多美（宁陵）化肥有限公司 | A kind of humic acid potassium Selenium-rich composite fertilizer and preparation method |
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