CN108892576A - It is a kind of to produce the compound fertilizer technology of granular pattern without steam granulation using potassium fulvate - Google Patents
It is a kind of to produce the compound fertilizer technology of granular pattern without steam granulation using potassium fulvate Download PDFInfo
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- CN108892576A CN108892576A CN201811007983.6A CN201811007983A CN108892576A CN 108892576 A CN108892576 A CN 108892576A CN 201811007983 A CN201811007983 A CN 201811007983A CN 108892576 A CN108892576 A CN 108892576A
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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
- C05G5/10—Solid or semi-solid fertilisers, e.g. powders
- C05G5/12—Granules or flakes
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- C—CHEMISTRY; METALLURGY
- C05—FERTILISERS; MANUFACTURE THEREOF
- C05C—NITROGENOUS FERTILISERS
- C05C11/00—Other nitrogenous 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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- Life Sciences & Earth Sciences (AREA)
- Chemical & Material Sciences (AREA)
- Organic Chemistry (AREA)
- Pest Control & Pesticides (AREA)
- Soil Sciences (AREA)
- Fertilizers (AREA)
Abstract
The invention discloses the compound fertilizer technology of granular pattern is produced without steam granulation using potassium fulvate, include the following steps：Step 1 weighs following raw material：42-48 parts of potassium fulvate, 12-16 parts of rape straw, 10-14 parts of plant ash, pyrophillite 18-24 parts modified, 12-16 parts of chitosan, 6-10 parts of microelement compound amino acid, pretreatment volcanic glass 4-8 parts, 2-5 parts of nano-bentonite, 3-6 parts of magnesia, 12-18 parts of deionized water.The present invention chelates liquid with formation such as potassium fulvate, chitosans, the chitosan property of addition is stablized, carrier function can be played, it is reacted again with modified pyrophillite, nano-bentonite after chelating liquid is prepared, pyrophillite has two-dimensional layered structure, nano-bentonite has large specific surface area, can form stable system.
Description
Technical field
The present invention relates to compound fertilizer's technical fields, and in particular to a kind of to produce granular pattern without steam granulation using potassium fulvate
Compound fertilizer technology.
Background technique
Fulvic acid is a kind of short carbon chain molecular structure substance extracted from natural humic acid, it have high load amount and
Physiological activity is applied to agriculture field, has following benefit, it is plant benefit that chelating constant and trace nutrient, which make it preferably,
With；Controlling plant diseases enhance Flood resistance；Excite plant microbiological activity；Slow release fertilizer, improves chemical fertilizer and pesticide utilizes；
Nutrient absorption is improved, plant germination and growth is promoted；Accelerate precipitating to decompose, improve soil texture, potassium fulvate can activate knotts clay
Earth promotes the physiological metabolism of various fruits and vegetables and field crops, promotes well developed root system, cauline leaf in great numbers.
Chinese patent literature（Publication number：CN103964924B）A kind of biological carbon energy Water soluble fertilizer is disclosed, it is related to fruits and vegetables
Growing and cultivation technical field, its mass ratio formula composition are as follows：Potassium fulvate 30-60%, biological organic carbon 5-25%, di(2-ethylhexyl)phosphate
Hydrogen potassium 5-25%, potassium sulfate 4-15%, urea 5-25%.Its preparation process is：Raw material preparation, urea crushing, potassium fulvate
It grinds, the extraction of biological organic carbon, ingredient mixing, metering, packaging, detection, finished product, though the fertilizer can provide nutrients abundant
Matter, but material matching is relatively simple, while preparation method is different, and tell on difference.
Chinese patent literature（Publication number：CN104803736B）Disclose a kind of technique side of no steam production compound fertilizer
Method includes the following steps：Part urea is mixed with the concentrated sulfuric acid first, forms adduct, then is added and adds after water is measured in proportion
It closes in object, is then neutralized with pH adjusting agent, finally obtained mixed liquor slurry；Resulting mixed liquor slurry is existed by metering pump
It is uniformly sprayed in the prilling granulator of the base fertilizer equipped with nitrogenous, phosphorus, potassium and is reacted under the action of nozzle, and is fertile with basis
Common be granulated of material forms granule materials；Resulting material obtains granular composite fertilizer through drying, cooling, screening, which uses
N P and K inorganic fertilizer and basis fertilizer it is compound compound fertilizer is produced using no steam, which uses raw material for conventional raw material, then
Effect it is clear that therefore the present invention prepare herein on the basis of further research and develop, prepare the more perfect compound fertilizer of performance.
Summary of the invention
The compound fertilizer technology of granular pattern is produced without steam granulation using potassium fulvate the purpose of the present invention is to provide a kind of, with
Solve the problems mentioned above in the background art.
To achieve the above object, the present invention provides the following technical solutions：
The compound fertilizer technology of granular pattern is produced without steam granulation using potassium fulvate, is included the following steps：
Step 1 weighs following raw material：42-48 parts of potassium fulvate, 12-16 parts of rape straw, plant ash 10-14
Part, pyrophillite 18-24 parts modified, 12-16 parts of chitosan, 6-10 parts of microelement compound amino acid, pretreatment volcanic glass 4-8
Part, 2-5 parts of nano-bentonite, 3-6 parts of magnesia, 12-18 parts of deionized water；
Potassium fulvate in step 1 is configured to the potassium fulvate solution that mass fraction is 55-65%, then thereto by step 2
Chitosan, microelement compound amino acid is added, speed of agitator rises to 155-175r/min, mixing time 25-35min, with
Magnesia is added afterwards and adjusts pH to 8.5-9.5, reaction solution after adjusting is added in reactor tank, it is standby controlled at 75-85 DEG C
With；
Modified pyrophillite, pretreatment volcanic glass, nano-bentonite, deionized water are sufficiently mixed by step 3, then ultrasonic again
Disperse 25-35min, then adds rape straw, plant ash, obtain mixed liquor, mixed liquor is sprayed by metering pump
In step 2 in spare reaction solution, reaction temperature is risen to 94-102 DEG C, followed by being granulated to get of the invention compound
Fertilizer.
It is as further scheme of the invention：The modified pyrophillite preparation method is clean to carry out pyrophillite, with
After drain, carry out low-temperature plasma processing, then carry out crushed 320-330 mesh, be sent into and burn in reaction flask, be configured to quality
Score is the suspension of 85-95%, hydroxypropul starch, speed of agitator 75-85r/min is then added thereto, mixing time is
25-35min, then acidification 4-8min is carried out, then wash, it is dry to get modified pyrophillite.
It is as further scheme of the invention：Argon flow is 2.2-2.8L/min in the low-temperature plasma processing,
The processing time is 14-18s, voltage 8KV.
It is as further scheme of the invention：The hydroxypropul starch preparation method is that starch milk is placed in magnetic agitation
In device, sequentially add, NaOH, thereafter let out nitrogen, under water bath condition, propylene oxide be added, speed of agitator is
125-135r/min stirs 25-35min, then using in dilute sulfuric acid and solution, then is centrifuged, washs, dry to get hydroxypropyl
Starch.
It is as further scheme of the invention：Bath temperature is 65-75 DEG C in the water bath condition, and water bath time is
25-35min。
It is as further scheme of the invention：The microelement compound amino acid be microelement, amino acid according to
Weight ratio 3:The mixture of 1 composition.
It is as further scheme of the invention：The microelement is one of iron, silicon, zinc, copper, selenium, manganese or more
The composition of kind.
It is as further scheme of the invention：The processing method of the pretreatment volcanic glass is to carry out volcanic glass
It crushes, crosses 200 mesh, be subsequently added in reaction flask, addition mass fraction is 20-30% hydrogenperoxide steam generator, reacts 15-
25min is then washed again, is filtered, is dried, using calcination processing.
It is as further scheme of the invention：The calcination processing is adjusted to rising to temperature into 460 DEG C, keeps the temperature 35-
Temperature is risen to 720 DEG C, is then cooled to room temperature by 45min then again with 8-12 DEG C/min.
It is as further scheme of the invention：Prilling temperature is 65-75 DEG C in the granulation, is granulated 25-35min.
Compared with prior art, the present invention has following beneficial effect：
The present invention chelates liquid with formation such as potassium fulvate, chitosans, and the chitosan property of addition is stablized, and can play carrier function,
It is reacted again with modified pyrophillite, nano-bentonite after chelating liquid is prepared, pyrophillite has two-dimensional layered structure, nano-bentonite
With large specific surface area, stable system can be formed, while in doping nutrient, it can be with crop root system continuous action, oxygen
Change magnesium and the reactivity that chelating liquid can be improved is added, the system that enhancing is formed with pyrophillite, nano-bentonite, pyrophillite is by changing
Property processing, the processing of first low-temperature plasma improves its surface-active, then with hydroxypropul starch, be added in system, it is easily viscous with system
It connects, merge.
Specific embodiment
Combined with specific embodiments below, technical scheme in the embodiment of the invention is clearly and completely described, shows
So, described embodiments are only a part of the embodiments of the present invention, instead of all the embodiments.Based on the reality in the present invention
Example is applied, every other embodiment obtained by those of ordinary skill in the art without making creative efforts all belongs to
In the scope of protection of the invention.
Embodiment 1：
The present embodiment produces the compound fertilizer technology of granular pattern without steam granulation using potassium fulvate, includes the following steps：
Step 1 weighs following raw material：Fulvic acid K42 part, 12 parts of rape straw, 10 parts of plant ash, modified leaf are cured
18 parts of stone, 12 parts of chitosan, 6 parts of microelement compound amino acid, 4 parts of volcanic glass of pretreatment, 2 parts of nano-bentonite, oxidation
3 parts of magnesium, 12 parts of deionized water；
Potassium fulvate in step 1 is configured to the potassium fulvate solution that mass fraction is 55%, is then added thereto by step 2
Chitosan, microelement compound amino acid, speed of agitator rise to 155r/min, and magnesia is then added in mixing time 25min
PH to 8.5 is adjusted, reaction solution after adjusting is added in reactor tank, it is spare controlled at 75 DEG C；
Modified pyrophillite, pretreatment volcanic glass, nano-bentonite, deionized water are sufficiently mixed by step 3, then ultrasonic again
Disperse 25min, then adds rape straw, plant ash, obtain mixed liquor, mixed liquor is sprayed onto step by metering pump
In two in spare reaction solution, reaction temperature is risen to 94 DEG C, followed by granulation to get compound fertilizer of the invention.
The modification pyrophillite preparation method of the present embodiment is to carry out pyrophillite clean, is then drained, carry out low temperature etc. from
Subprocessing then carries out crushed 320 meshes, is sent into and burns in reaction flask, is configured to the suspension that mass fraction is 85%, then
Hydroxypropul starch, speed of agitator 75r/min, mixing time 25min are added thereto, then carries out acidification 4-8min,
It washes again, it is dry to get modified pyrophillite.
Argon flow is 2.2L/min in the low-temperature plasma processing of the present embodiment, and the processing time is 14s, voltage 8KV.
The hydroxypropul starch preparation method of the present embodiment is that starch milk is placed in magnetic stirring apparatus, is sequentially added, NaOH, thereafter let out nitrogen, under water bath condition, be added propylene oxide, speed of agitator 125r/min, stirring
25min then using in dilute sulfuric acid and solution, then is centrifuged, washs, dry to get hydroxypropul starch.
Bath temperature is 65 DEG C in the water bath condition of the present embodiment, water bath time 25min.
The microelement compound amino acid of the present embodiment is microelement, amino acid according to weight ratio 3:The mixing of 1 composition
Object.
The microelement of the present embodiment is iron.
The processing method of the pretreatment volcanic glass of the present embodiment is to crush volcanic glass, crosses 200 mesh, then adds
Entering into reaction flask, addition mass fraction is 20% hydrogenperoxide steam generator, 15min reacted, is then washed again, is filtered, dries, then
By calcination processing.
The calcination processing of the present embodiment is adjusted to rising to temperature into 460 DEG C, keeps the temperature 35min, will then again with 8 DEG C/min
Temperature rises to 720 DEG C, is then cooled to room temperature.
Prilling temperature is 65 DEG C in the granulation of the present embodiment, is granulated 25min.
Embodiment 2：
The present embodiment produces the compound fertilizer technology of granular pattern without steam granulation using potassium fulvate, includes the following steps：
Step 1 weighs following raw material：48 parts of potassium fulvate, 16 parts of rape straw, 14 parts of plant ash, modified leaf are cured
24 parts of stone, 16 parts of chitosan, 10 parts of microelement compound amino acid, 8 parts of volcanic glass of pretreatment, 5 parts of nano-bentonite, oxidation
6 parts of magnesium, 18 parts of deionized water；
Potassium fulvate in step 1 is configured to the potassium fulvate solution that mass fraction is 65%, is then added thereto by step 2
Chitosan, microelement compound amino acid, speed of agitator rise to 175r/min, and magnesia is then added in mixing time 35min
PH to 9.5 is adjusted, reaction solution after adjusting is added in reactor tank, it is spare controlled at 85 DEG C；
Modified pyrophillite, pretreatment volcanic glass, nano-bentonite, deionized water are sufficiently mixed by step 3, then ultrasonic again
Disperse 35min, then adds rape straw, plant ash, obtain mixed liquor, mixed liquor is sprayed onto step by metering pump
In two in spare reaction solution, reaction temperature is risen to 102 DEG C, followed by granulation to get compound fertilizer of the invention.
The modification pyrophillite preparation method of the present embodiment is to carry out pyrophillite clean, is then drained, carry out low temperature etc. from
Subprocessing then carries out crushed 330 meshes, is sent into and burns in reaction flask, is configured to the suspension that mass fraction is 95%, then
Hydroxypropul starch, speed of agitator 85r/min, mixing time 35min are added thereto, then carries out acidification 8min, then
Washing, it is dry to get modified pyrophillite.
Argon flow is 2.8L/min in the low-temperature plasma processing of the present embodiment, and the processing time is 18s, voltage 8KV.
The hydroxypropul starch preparation method of the present embodiment is that starch milk is placed in magnetic stirring apparatus, is sequentially added, NaOH, thereafter let out nitrogen, under water bath condition, be added propylene oxide, speed of agitator 125-135r/min,
35min is stirred, then using in dilute sulfuric acid and solution, then is centrifuged, washs, it is dry to get hydroxypropul starch.
Bath temperature is 75 DEG C in the water bath condition of the present embodiment, water bath time 35min.
The microelement compound amino acid of the present embodiment is microelement, amino acid according to weight ratio 3:The mixing of 1 composition
Object.
The microelement of the present embodiment is silicon.
The processing method of the pretreatment volcanic glass of the present embodiment is to crush volcanic glass, crosses 200 mesh, then adds
Entering into reaction flask, addition mass fraction is 30% hydrogenperoxide steam generator, 25min reacted, is then washed again, is filtered, dries, then
By calcination processing.
The calcination processing of the present embodiment is adjusted to rising to temperature into 460 DEG C, keeps the temperature 45min, will then again with 12 DEG C/min
Temperature rises to 720 DEG C, is then cooled to room temperature.
Prilling temperature is 75 DEG C in the granulation of the present embodiment, is granulated 35min.
Embodiment 3：
The present embodiment produces the compound fertilizer technology of granular pattern without steam granulation using potassium fulvate, includes the following steps：
Step 1 weighs following raw material：45 parts of potassium fulvate, 14 parts of rape straw, 12 parts of plant ash, modified leaf are cured
21 parts of stone, 14 parts of chitosan, 8 parts of microelement compound amino acid, pretreatment 6 parts of volcanic glass, 3.5 parts of nano-bentonite, oxygen
Change 4.5 parts of magnesium, 15 parts of deionized water；
Potassium fulvate in step 1 is configured to the potassium fulvate solution that mass fraction is 60%, is then added thereto by step 2
Chitosan, microelement compound amino acid, speed of agitator rise to 160r/min, and magnesia is then added in mixing time 30min
PH to 9.0 is adjusted, reaction solution after adjusting is added in reactor tank, it is spare controlled at 80 DEG C；
Modified pyrophillite, pretreatment volcanic glass, nano-bentonite, deionized water are sufficiently mixed by step 3, then ultrasonic again
Disperse 25-35min, then adds rape straw, plant ash, obtain mixed liquor, mixed liquor is sprayed by metering pump
In step 2 in spare reaction solution, reaction temperature is risen to 94-102 DEG C, followed by being granulated to get of the invention compound
Fertilizer.
The modification pyrophillite preparation method of the present embodiment is to carry out pyrophillite clean, is then drained, carry out low temperature etc. from
Subprocessing then carries out crushed 325 meshes, is sent into and burns in reaction flask, is configured to the suspension that mass fraction is 90%, then
Hydroxypropul starch, speed of agitator 80r/min, mixing time 30min are added thereto, then carries out acidification 4-8min,
It washes again, it is dry to get modified pyrophillite.
Argon flow is 2.5L/min in the low-temperature plasma processing of the present embodiment, and the processing time is 16s, voltage 8KV.
The hydroxypropul starch preparation method of the present embodiment is that starch milk is placed in magnetic stirring apparatus, is sequentially added, NaOH, thereafter let out nitrogen, under water bath condition, be added propylene oxide, speed of agitator 130r/min, stirring
30min then using in dilute sulfuric acid and solution, then is centrifuged, washs, dry to get hydroxypropul starch.
Bath temperature is 70 DEG C in the water bath condition of the present embodiment, water bath time 30min.
The microelement compound amino acid of the present embodiment is microelement, amino acid according to weight ratio 3:The mixing of 1 composition
Object.
The microelement of the present embodiment is copper.
The processing method of the pretreatment volcanic glass of the present embodiment is to crush volcanic glass, crosses 200 mesh, then adds
Entering into reaction flask, addition mass fraction is 25% hydrogenperoxide steam generator, 20min reacted, is then washed again, is filtered, dries, then
By calcination processing.
The calcination processing of the present embodiment is adjusted to rising to temperature into 460 DEG C, keeps the temperature 40min, will then again with 10 DEG C/min
Temperature rises to 720 DEG C, is then cooled to room temperature.
Prilling temperature is 70 DEG C in the granulation of the present embodiment, is granulated 30min.
Comparative example 1：
It is essentially identical with the material and preparation process of embodiment 3, it has only the difference is that being not added with modified pyrophillite.
Comparative example 2：
It is essentially identical with the material and preparation process of embodiment 3, it has only the difference is that being not added with pretreatment volcanic glass.
Comparative example 3：
It is essentially identical with the material and preparation process of embodiment 3, it has only the difference is that being not added with hydroxypropyl shallow lake in modified pyrophillite
Powder.
Comparative example 4：
Using Chinese patent literature（Publication number：CN104803736B）Disclose a kind of process of no steam production compound fertilizer
Raw material and method in middle embodiment 2.
Embodiment 3 and the fertilizer of comparative example 1-4 preparation are tested to obtain the performance test results as follows
Embodiment 3 is very big relative to comparative example 4, i.e. survey, the middle microelement measured after 3 months, organic matter difference, embodiment 3
It surveys, microelement is 14% in survey after middle microelement is 17%, 3 months, and comparative example 4, i.e. survey are surveyed after being 11%, 3 months and be
5%, it is known that the present invention has good poly- control ability to nutriment.
It is obvious to a person skilled in the art that invention is not limited to the details of the above exemplary embodiments, Er Qie
In the case where without departing substantially from spirit or essential attributes of the invention, the present invention can be realized in other specific forms.Therefore, no matter
From the point of view of which point, the present embodiments are to be considered as illustrative and not restrictive, and the scope of the present invention is by appended power
Benefit requires rather than above description limits, it is intended that all by what is fallen within the meaning and scope of the equivalent elements of the claims
Variation is included within the present invention.
In addition, it should be understood that although this specification is described in terms of embodiments, but not each embodiment is only wrapped
Containing an independent technical solution, this description of the specification is merely for the sake of clarity, and those skilled in the art should
It considers the specification as a whole, the technical solutions in the various embodiments may also be suitably combined, forms those skilled in the art
The other embodiments being understood that.
Claims (10)
1. producing the compound fertilizer technology of granular pattern without steam granulation using potassium fulvate, which is characterized in that include the following steps：
Step 1 weighs following raw material：42-48 parts of potassium fulvate, 12-16 parts of rape straw, plant ash 10-14
Part, pyrophillite 18-24 parts modified, 12-16 parts of chitosan, 6-10 parts of microelement compound amino acid, pretreatment volcanic glass 4-8
Part, 2-5 parts of nano-bentonite, 3-6 parts of magnesia, 12-18 parts of deionized water；
Potassium fulvate in step 1 is configured to the potassium fulvate solution that mass fraction is 55-65%, then thereto by step 2
Chitosan, microelement compound amino acid is added, speed of agitator rises to 155-175r/min, mixing time 25-35min, with
Magnesia is added afterwards and adjusts pH to 8.5-9.5, reaction solution after adjusting is added in reactor tank, it is standby controlled at 75-85 DEG C
With；
Modified pyrophillite, pretreatment volcanic glass, nano-bentonite, deionized water are sufficiently mixed by step 3, then ultrasonic again
Disperse 25-35min, then adds rape straw, plant ash, obtain mixed liquor, mixed liquor is sprayed by metering pump
In step 2 in spare reaction solution, reaction temperature is risen to 94-102 DEG C, followed by being granulated to get of the invention compound
Fertilizer.
2. producing the compound fertilizer technology of granular pattern without steam granulation using potassium fulvate according to claim 1, which is characterized in that
The modified pyrophillite preparation method is clean to carry out pyrophillite, then drains, and carries out low-temperature plasma processing, then carries out
It crushed 320-330 mesh, be sent into and burn in reaction flask, be configured to the suspension that mass fraction is 85-95%, then add thereto
Enter hydroxypropul starch, speed of agitator 75-85r/min, mixing time 25-35min, then carries out acidification 4-8min, then
Washing, it is dry to get modified pyrophillite.
3. producing the compound fertilizer technology of granular pattern without steam granulation using potassium fulvate according to claim 2, which is characterized in that
Argon flow is 2.2-2.8L/min in the low-temperature plasma processing, and the processing time is 14-18s, voltage 8KV.
4. producing the compound fertilizer technology of granular pattern without steam granulation using potassium fulvate according to claim 2, which is characterized in that
The hydroxypropul starch preparation method is that starch milk is placed in magnetic stirring apparatus, is sequentially added, NaOH, with heel row
Propylene oxide is added under water bath condition in nitrogen out, and speed of agitator 125-135r/min stirs 25-35min, then uses
In dilute sulfuric acid and solution, then it is centrifuged, washs, it is dry to get hydroxypropul starch.
5. producing the compound fertilizer technology of granular pattern without steam granulation using potassium fulvate according to claim 4, which is characterized in that
Bath temperature is 65-75 DEG C in the water bath condition, water bath time 25-35min.
6. producing the compound fertilizer technology of granular pattern without steam granulation using potassium fulvate according to claim 1, which is characterized in that
The microelement compound amino acid is microelement, amino acid according to weight ratio 3:The mixture of 1 composition.
7. producing the compound fertilizer technology of granular pattern without steam granulation using potassium fulvate according to claim 6, which is characterized in that
The microelement is one of iron, silicon, zinc, copper, selenium, manganese or a variety of compositions.
8. producing the compound fertilizer technology of granular pattern without steam granulation using potassium fulvate according to claim 1, which is characterized in that
The processing method of the pretreatment volcanic glass is to crush volcanic glass, crosses 200 mesh, is subsequently added in reaction flask,
Addition mass fraction is 20-30% hydrogenperoxide steam generator, reacts 15-25min, then washes again, filter, dry, using calcining
Processing.
9. producing the compound fertilizer technology of granular pattern without steam granulation using potassium fulvate according to claim 8, which is characterized in that
The calcination processing is adjusted to rising to temperature into 460 DEG C, keeps the temperature 35-45min, is then again risen to temperature with 8-12 DEG C/min
720 DEG C, then it is cooled to room temperature.
10. producing the compound fertilizer technology of granular pattern without steam granulation using potassium fulvate according to claim 1, feature exists
In prilling temperature is 65-75 DEG C in the granulation, is granulated 25-35min.
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| CN201811007983.6A CN108892576A (en) | 2018-08-31 | 2018-08-31 | It is a kind of to produce the compound fertilizer technology of granular pattern without steam granulation using potassium fulvate |
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| CN201811007983.6A CN108892576A (en) | 2018-08-31 | 2018-08-31 | It is a kind of to produce the compound fertilizer technology of granular pattern without steam granulation using potassium fulvate |
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2018
- 2018-08-31 CN CN201811007983.6A patent/CN108892576A/en active Pending
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| US20020053229A1 (en) * | 2000-06-01 | 2002-05-09 | Amir Varshovi | Organic-based fertilizer |
| CN1390444A (en) * | 2001-06-10 | 2003-01-15 | 邹纯麟 | Medium for cultivating plant and its preparing process |
| CN103458685A (en) * | 2011-03-31 | 2013-12-18 | 辛根塔有限公司 | Plant growth regulation composition |
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| CN103044140A (en) * | 2012-12-30 | 2013-04-17 | 郭云征 | Buffering harmless plant ash compound fertilizer and preparation method thereof |
| CN105746123A (en) * | 2016-02-26 | 2016-07-13 | 徐跃成 | Method for planting cucumbers |
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Application publication date: 20181127 |