CN110437004A - The boron-rich middle trace element fertilizer of high magnesium and preparation method containing polymerization calcium and magnesium boron molecule - Google Patents
The boron-rich middle trace element fertilizer of high magnesium and preparation method containing polymerization calcium and magnesium boron molecule Download PDFInfo
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- CN110437004A CN110437004A CN201910832570.XA CN201910832570A CN110437004A CN 110437004 A CN110437004 A CN 110437004A CN 201910832570 A CN201910832570 A CN 201910832570A CN 110437004 A CN110437004 A CN 110437004A
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- boron
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- C—CHEMISTRY; METALLURGY
- C05—FERTILISERS; MANUFACTURE THEREOF
- C05D—INORGANIC FERTILISERS NOT COVERED BY SUBCLASSES C05B, C05C; FERTILISERS PRODUCING CARBON DIOXIDE
- C05D1/00—Fertilisers containing potassium
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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
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08G—MACROMOLECULAR COMPOUNDS OBTAINED OTHERWISE THAN BY REACTIONS ONLY INVOLVING UNSATURATED CARBON-TO-CARBON BONDS
- C08G63/00—Macromolecular compounds obtained by reactions forming a carboxylic ester link in the main chain of the macromolecule
- C08G63/02—Polyesters derived from hydroxycarboxylic acids or from polycarboxylic acids and polyhydroxy compounds
- C08G63/06—Polyesters derived from hydroxycarboxylic acids or from polycarboxylic acids and polyhydroxy compounds derived from hydroxycarboxylic acids
Abstract
The invention belongs to trace element fertilizer production fields in agricultural, more particularly to a kind of boron-rich middle trace element fertilizer of high magnesium and preparation method containing polymerization calcium and magnesium boron molecule, trace element fertilizer includes the raw material of following weight parts in this: 40-80 parts of silico-calcium potassic-magnesian fertilizers, 10-50 parts of boron muds, 10-30 parts of initiators and 0.05-0.1 parts of tartaric acid；Initiator is quick lime；Heavy metal Pb≤0.001%, As≤0.0002% contained in tartaric acid；Contain the absorbable effective magnesium of crop and effective boron in this in trace element fertilizer.Trace element fertilizer had both contained the long-acting Meso- and micro-nutrients of solubility in citric acid in the present invention, provided the nutritional needs such as magnesium and the boron of crop Life cycle；Simultaneously containing the Meso- and micro-nutrients such as magnesium that is that crop quickly absorbs and being not easy leaching loss and boron are easy to, meets nutrient demand when crop nutrient absorption peak, improve the yield and quality of crops.
Description
Technical field
The invention belongs to trace element fertilizer production field in agricultural more particularly to a kind of height containing polymerization calcium and magnesium boron molecule
The boron-rich middle trace element fertilizer of magnesium and preparation method.
Background technique
With the development of China's agricultural modernization, peasant blindly pursues the high yield of agricultural product, largely big using N P and K etc.
Secondary element fertilizer, Trace Elements in Soil cannot supplement for a long time, cause middle microelement missing serious.Give back according to nutrient
Say and nutrient it is of equal importance can not replace theory, middle microelement and N P and K that crops need to absorb in process of production etc.
A great number of elements is of equal importance, to crop supplement a great number of elements while also to focus in microelement timely enough supplements,
It could really realize the good quality and high output of crop.And to have resulted in China's soil more serious for long-term middle microelement ignorance
Middle microelement missing, especially southern region of China, under the conditions of strong leaching, microelement largely flows in magnesium and boron etc.
It loses, microelement deficient phenomena is very universal in crop.Therefore, in emphasis trace element fertilizer research and application, science application
Secondary and micro-element fertilizers are to improve utilization rate of fertilizer instantly and realize that fertilizer subtracts to apply synergy, improve crop quality and improve crop
The important approach of yield.
It is had been developed as in novel by the solubility in citric acid fertilizer of representative of silico-calcium potassic-magnesian fertilizer, silicon-calcium-potafertilizer fertilizer and calcium magnesium phosphate
Secondary element fertilizer is capable of providing the nutrition such as calcium, the magnesium of crop needs, has the characteristics that efficiency slow release is long-acting.
Boron mud is the waste residue for producing boric acid, the generation of borax process.For a long time, boron mud accumulating amount is huge, due to its granularity
It is relatively thin, it easily causes fugitive dust and with rain water runoff, there is potential hazard to local environment.And boron mud itself is then containing meeting crop
Microelement in magnesium and boron of nutrient absorption etc., as can properly being developed and used, it will turn waste into wealth, not only solve boron mud
Stockpiling problem, moreover it is possible to solve the problems, such as microelement deficiencies in crop.
For microelement area in lacking, the especially magnesium deficiency and boron deficient soil in southern leaching area, silico-calcium potassic-magnesian fertilizer etc.
Microelement in solubility in citric acid fertilizer and compound calcium, magnesium, the boron for being capable of providing crop needs of boron mud etc., but due to solubility in citric acid fertilizer
Nutrient release slowly, is unable to satisfy demand of the crop in nutritional need peak period to nutrients such as magnesium and boron, such as in material
Fruit adds the leaching loss that water-soluble magnesium sulfate or borax then be easy to cause nutrient, how in silico-calcium potassic-magnesian fertilizer and boron mud are compound
The Meso- and micro-nutrients for being easy to be absorbed by crops and be not easy leaching loss are generated in trace element fertilizer, both can guarantee that crop nutrition needed
Demand of the peak period to micro-nutrient in boron magnesium etc. is sought, and micro-nutrient in long-acting boron, magnesium etc. can be provided, becomes current skill
Art difficult point.
Summary of the invention
In view of the drawbacks of the prior art, the present invention provides it is a kind of containing polymerization calcium and magnesium boron molecule high magnesium it is boron-rich in it is micro
Element fertilizer and preparation method, both contain the long-acting Meso- and micro-nutrients of solubility in citric acid in trace element fertilizer in this, supply crop gives birth to entirely
Life period nutrient is absorbed and utilized；Contain simultaneously and is easy to micro in magnesium that is that crop quickly absorbs and being not easy leaching loss and boron etc.
Nutrient meets nutrient demand when crop nutrient absorption peak, to enhance fertilizer efficiency, improves the yield and product of crops
Matter.
To achieve the goals above, of the present invention the specific technical proposal is:
A kind of boron-rich middle trace element fertilizer of high magnesium containing polymerization calcium and magnesium boron molecule, it is characterised in that: including following weight
The raw material of part: 40-80 parts of silico-calcium potassic-magnesian fertilizers, 10-50 parts of boron muds, 10-30 parts of initiators and 0.05-0.1 parts of tartaric acid；It is described to draw
Hair agent is quick lime.
Further, the polymerization calcium and magnesium boron general formula of molecular structure are as follows:
In formula, n indicates the number of repeat unit of monomer in the polymer, n=5-50, number-average molecular weight 2220-22200.
Further, it is 1.5- that the mass content containing MgO, which is the mass content of 23.0%-45.0%, B, in the boron mud
6.0%.
Further, the pH value of the boron mud is in 7.5-11.5.
Further, the tartaric acid is industry or food grade materials, heavy metal Pb≤0.001% contained in tartaric acid,
As≤0.0002%.
Further, contain the absorbable effective magnesium of crop and effective boron in this in trace element fertilizer；Effective magnesium matter in terms of MgO
Measuring content is 8%~20%, and effective boron mass content in terms of B is 0.05%~2%.
Further, a method of preparing trace element fertilizer among the above, this method comprises the following steps:
S1, by more than boron mud and initiator ball mill separate compiling to 80 tm screens less than 15%；
S2, according to designed raw material proportioning, silico-calcium potassic-magnesian fertilizer, boron mud and tartaric acid are first mixed into 10- in batch mixer
30 minutes, so that silico-calcium potassic-magnesian fertilizer, boron mud and tartaric acid powder come into full contact with；
S3, step S2 preparation mixed powder according to weight ratio add initiator, mix 10- in Y type batch mixer
30 minutes；
S4, it mixed powder prepared by step S3 is moved into blender is stirred, while spraying water mist, material itself hair
Heat makes the temperature of mixture rise to 40-120 DEG C, and hybrid reaction 30 minutes under the conditions of the temperature, stops after reaction
It only stirs, the boron-rich middle trace element fertilizer of high magnesium containing polymerization calcium and magnesium boron molecule is obtained after material is cooled to room temperature.
Further, a method of preparing trace element fertilizer among the above, this method comprises the following steps:
S1, boron mud and initiator quick lime are used respectively ball mill grinding more than 15% to 80 tm screens；
S2, after weigh 55 parts by weight silico-calcium potassic-magnesian fertilizers, 15 parts by weight boron muds and 0.07 parts by weight tartaric acid, it is mixed that Y type is added
Material machine mixes 20 minutes, so that silico-calcium potassic-magnesian fertilizer, boron mud and tartaric acid come into full contact with；
S3,30 parts by weight initiator quick limes are added, continues to mix 20 minutes；
S4, after by mixed powder feeding blender stir by spraying, material is spontaneous to be warming up to 120 DEG C, and in the temperature
Under the conditions of hybrid reaction 30 minutes, obtained after being cooled to room temperature later containing polymerization calcium and magnesium boron molecule high magnesium it is boron-rich in micro member
Plain fertilizer.
Further, a method of preparing trace element fertilizer among the above, this method comprises the following steps:
S1, ball mill grinding is used to more than 10% to 80 tm screens respectively the boron mud and initiator quick lime first；
S2,65 parts by weight silico-calcium potassic-magnesian fertilizers, 15 parts by weight boron muds and 0.08 parts by weight tartaric acid are then weighed, Y type is added
Batch mixer mixes 20 minutes, so that silico-calcium potassic-magnesian fertilizer, boron mud and tartaric acid come into full contact with；
S3,20 parts by weight initiator quick limes are added, continuesd to mix 20 minutes；
S4, then by mixed powder feeding blender stir by spraying, material is spontaneous to be warming up to 100 DEG C, and in the temperature
Hybrid reaction 30 minutes under the conditions of degree, obtained after being cooled to room temperature later containing polymerization calcium and magnesium boron molecule high magnesium it is boron-rich in it is micro
Element fertilizer.
Advantages of the present invention and good effect are as follows:
(1) the high magnesium boron-rich middle trace element fertilizer disclosed by the invention containing polymerization calcium and magnesium boron molecule is environmentally protective production
Product can comprehensively utilize the waste residues such as boron mud, while reducing local residue contamination, provide the nutrition such as magnesium and boron member for crop
Element；
(2) this product is abundant rich in various nutrient elements, the especially magnesium such as silicon, calcium, magnesium, potassium, boron and boron content, for mending
The middle microelement missing in soil is filled, promotes crop nutrition content Balance Absorption and high grade and yield of crops significant；In fertilizer
The pectinate texture in polymerization calcium and magnesium boron molecule contained can effectively be combined with soil granular, be not easy leaching loss, environmental-friendly, nontoxic
It is pollution-free, it is together formed with the Meso- and micro-nutrients of solubility in citric acid in silico-calcium potassic-magnesian fertilizer and boron mud and is both able to satisfy the full life of crop
The Meso- and micro-nutrients such as long-acting calcium and magnesium boron required for period, and can provide and be easy to crop suction needed for crop nutrition peak period
Microelement in calcium and magnesium boron of receipts etc., so that the good quality and high output of crop has been ensured, with identical management condition but the unused present invention
The crops of fertilizer are compared, and improve 50-70% using the crop yield of fertilizer of the present invention；
(3) not only nutrients such as the calcium containing long-acting slow-release, magnesium and boron in fertilizer of the present invention, also containing being suitble to plant fast
The nutrients such as speed absorption and the calcium, magnesium and boron that are not easy leaching loss are particularly suitable for the strong southern region of China soil of leaching and mend
Fill middle microelement.The molecular weight polymers contained in fertilizer of the present invention are degradable, will not adversely affect to soil.
(4) this product simple production process, low energy consumption, without increasing production equipment newly on the basis of existing fertilizer production,
Final products state pulvis and particle have preferable fertilizer efficiency, are conducive to large-scale production and the popularization in agricultural is answered
With.
Specific embodiment
It is described in detail such as in order to further understand the content, features and effects of the present invention, the following examples are hereby given
Under.
The invention discloses a kind of boron-rich middle trace element fertilizers of high magnesium containing polymerization calcium and magnesium boron molecule, including following weight
The raw material of part: 40-80 parts of silico-calcium potassic-magnesian fertilizers, 10-50 parts of boron muds, 10-30 parts of initiators and 0.05-0.1 parts of tartaric acid.
Wherein, the silico-calcium potassic-magnesian fertilizer is the effective calcium utilized containing plant available, effective silicon, effective magnesium and effective potassium
The solubility in citric acid moderate-element fertilizer of nutritional ingredient, production technology include the following steps: with water-insoluble potassium mine, lime stone and white clouds
Stone is raw material, sequentially by broken, grinding, calcined by rotary kiln, cooler are cooling, broken and grinding, obtains silico-calcium potassic-magnesian fertilizer.It should
Technique and production equipment are the prior art, and details are not described herein again.
The boron mud is using the industrial residue being discharged after boron magnesium (iron) mine production borax or boric acid, and inventor is by a large amount of
Experiment discovery, on the one hand the pH value of boron mud can promote the formation of polymer in polymerization reaction in 7.5-11.5 range, another
Aspect facilitates Mg and B enters polymer molecule；Preferably, the mass content containing MgO is 23.0%- in the boron mud
45.0%, the mass content of B is 1.5-6.0%, and the Mg and B element for enabling to the polymer molecule of different polymerization degree to carry are equal
Reach maximum value, to utmostly improve Mg the and B nutritional ingredient for being easy to be absorbed by crops and be not easy leaching loss.
The initiator is quick lime, and main component is calcium oxide, is prepared by lime stone high-temperature calcination.
C in the tartaric acid4H6O6Content is not less than 99%；It can be industry or food grade materials, for guarantee agricultural peace
Complete to consider, the preferred food-grade raw material of tartaric acid, the preferred content of beary metal of inventor (in terms of Pb)≤0.001%, arsenic are (with As
Meter)≤0.0002% tartaric acid.
In order to prepare middle trace element fertilizer of the invention, the present invention also provides a kind of preparation methods, this method comprises:
S1, by more than boron mud and initiator quick lime ball mill separate compiling to 80 tm screens less than 15%；
S2, according to designed raw material proportioning, silico-calcium potassic-magnesian fertilizer, boron mud and tartaric acid are first mixed into 10- in batch mixer
30 minutes, so that silico-calcium potassic-magnesian fertilizer, boron mud and tartaric acid powder come into full contact with；
S3, step S2 preparation mixed powder according to weight ratio add initiator, mix 10-30 minutes；
S4, it mixed powder prepared by step S3 is moved into blender is stirred, while spraying water mist, material itself hair
Heat makes the temperature of mixture rise to 40-120 DEG C, and hybrid reaction 30 minutes under the conditions of the temperature, stops after reaction
It only stirs, the boron-rich middle trace element fertilizer of high magnesium containing polymerization calcium and magnesium boron molecule is obtained after material is cooled to room temperature.
Inventor has found that tartaric acid is under the action of initiator by many experiments, under 40-120 DEG C of reaction temperature,
Best polymerizing condition can be obtained；Reaction time control at 30 minutes, the polymerization reaction of tartaric acid can fully reacting, reaction
It can't detect tartaric acid molecules in object, therefore the reaction time is optimum reacting time, the shortening time then cannot be guaranteed tartaric acid
Polymerization completely, extension time then increase the reaction time on foot, reduce system unit time yield.Tartaric acid and silico-calcium potassic-magnesian fertilizer and boron mud
A degree of polymerization is carried out after reacting, calcium, magnesium and the boric acid plasma carried in the polymerization calcium and magnesium boron molecule of generation can
To provide the nutrients such as calcium, magnesium and boron that crop quickly absorbs, the pectinate texture polymerizeing in calcium and magnesium boron molecule can be with soil
Granule effectively combines, and is not easy leaching loss, environmental-friendly, nontoxic and pollution-free, and micro in solubility in citric acid in silico-calcium potassic-magnesian fertilizer and boron mud
Nutrient together forms the Meso- and micro-nutrients such as long-acting calcium and magnesium boron required for being not only able to satisfy crop Life cycle, but also
Microelement in calcium and magnesium boron for being easy to crop absorption needed for crop nutrition peak period etc. can be provided, to ensure the excellent of crop
Matter high yield.
Embodiment
The present invention lists each raw material component weight as shown in Table 1 by embodiment 1-5 (corresponding fertilizer number F1-F5) and matches
Than.
1 embodiment 1-5 raw material weight proportioning of soup processed (kg) of table
Embodiment 1
High magnesium boron-rich middle trace element fertilizer F1 of the preparation containing polymerization calcium and magnesium boron molecule:
S1, ball mill grinding is used to more than 15% to 80 tm screens respectively the boron mud and initiator quick lime first；
S2,40kg silico-calcium potassic-magnesian fertilizer, 50kg boron mud and 0.05kg tartaric acid are then weighed, Y type batch mixer mixing 10 is added
Minute, so that silico-calcium potassic-magnesian fertilizer, boron mud and tartaric acid come into full contact with；
S3,10kg initiator quick lime is added, continues to mix 10 minutes in batch mixer；
S4, mixed powder feeding blender is stirred by spraying, material is spontaneous to be warming up to 40 DEG C；And in the temperature condition
Lower hybrid reaction 30 minutes；The boron-rich middle microelement of high magnesium containing polymerization calcium and magnesium boron molecule is obtained after then being cooled to room temperature
Fertilizer.
Through detecting, contain the absorbable effective magnesium of crop and effective boron in this in trace element fertilizer；Effective magnesium matter in terms of MgO
Measuring content is 20%, and effective boron mass content in terms of B is 2%.Polymerization calcium and magnesium boron general formula of molecular structure wherein included are as follows:
In formula, n indicates the number of repeat unit of monomer in the polymer, n=5, molecular weight 2220.
High magnesium boron-rich middle trace element fertilizer F2 of the preparation of embodiment 2 containing polymerization calcium and magnesium boron molecule:
S1, ball mill grinding is used to more than 15% to 80 tm screens respectively the boron mud and initiator quick lime first；
S2,50kg silico-calcium potassic-magnesian fertilizer, 30kg boron mud and 0.06kg tartaric acid are then weighed, Y type batch mixer mixing 10 is added
Minute, so that silico-calcium potassic-magnesian fertilizer, boron mud and tartaric acid come into full contact with；
S3,20kg initiator quick lime is added, continuesd to mix 10 minutes；
S4, then by mixed powder feeding blender stir by spraying, material is spontaneous to be warming up to 80 DEG C, and in the temperature
Under the conditions of hybrid reaction 30 minutes, obtained after being cooled to room temperature later containing polymerization calcium and magnesium boron molecule high magnesium it is boron-rich in micro member
Plain fertilizer.
Contain the absorbable effective magnesium of crop and effective boron in this in trace element fertilizer；Effective magnesium mass content in terms of MgO
It is 15%, effective boron mass content in terms of B is 1.5%；Polymerization calcium and magnesium boron general formula of molecular structure wherein included are as follows:
In formula, n indicates the number of repeat unit of monomer in the polymer, n=10, molecular weight 4440.
High magnesium boron-rich middle trace element fertilizer F3 of the preparation of embodiment 3 containing polymerization calcium and magnesium boron molecule:
S1, ball mill grinding is used to more than 15% to 80 tm screens respectively the boron mud and initiator quick lime first；
S2,55kg silico-calcium potassic-magnesian fertilizer, 15kg boron mud and 0.07kg tartaric acid are then weighed, Y type batch mixer mixing 20 is added
Minute, so that silico-calcium potassic-magnesian fertilizer, boron mud and tartaric acid come into full contact with；
S3,30kg initiator quick lime is added, continuesd to mix 20 minutes；
S4, then by mixed powder feeding blender stir by spraying, material is spontaneous to be warming up to 120 DEG C, and in the temperature
Hybrid reaction 30 minutes under the conditions of degree, obtained after being cooled to room temperature later containing polymerization calcium and magnesium boron molecule high magnesium it is boron-rich in it is micro
Element fertilizer.
Contain the absorbable effective magnesium of crop and effective boron in this in trace element fertilizer；Effective magnesium mass content in terms of MgO
It is 10%, effective boron mass content in terms of B is 0.8%.Polymerization calcium and magnesium boron general formula of molecular structure wherein included are as follows:
In formula, n indicates the number of repeat unit of monomer in the polymer, n=20, molecular weight 8880.
Embodiment 4
High magnesium boron-rich middle trace element fertilizer F4 of the preparation containing polymerization calcium and magnesium boron molecule:
S1, ball mill grinding is used to more than 10% to 80 tm screens respectively the boron mud and initiator quick lime first；
S2,65kg silico-calcium potassic-magnesian fertilizer, 15kg boron mud and 0.08kg tartaric acid are then weighed, Y type batch mixer mixing 20 is added
Minute, so that silico-calcium potassic-magnesian fertilizer, boron mud and tartaric acid come into full contact with；
S3,20kg initiator quick lime is added, continuesd to mix 20 minutes；
S4, then by mixed powder feeding blender stir by spraying, material is spontaneous to be warming up to 100 DEG C, and in the temperature
Hybrid reaction 30 minutes under the conditions of degree, obtained after being cooled to room temperature later containing polymerization calcium and magnesium boron molecule high magnesium it is boron-rich in it is micro
Element fertilizer.
Contain the absorbable effective magnesium of crop and effective boron in this in trace element fertilizer；Effective magnesium mass content in terms of MgO
It is 10%, effective boron mass content in terms of B is 0.1%.Polymerization calcium and magnesium boron general formula of molecular structure wherein included are as follows:
In formula, n indicates the number of repeat unit of monomer in the polymer, n=30, molecular weight 13320.
Embodiment 5
High magnesium boron-rich middle trace element fertilizer F5 of the preparation containing polymerization calcium and magnesium boron molecule:
S1, ball mill grinding is used to more than 10% to 80 tm screens respectively the boron mud and initiator quick lime first；
S2,80kg silico-calcium potassic-magnesian fertilizer, 10kg boron mud and 0.1kg tartaric acid are then weighed, Y type batch mixer is added and mixes 30 points
Clock, so that silico-calcium potassic-magnesian fertilizer, boron mud and tartaric acid come into full contact with；
S3,10kg initiator quick lime is added, continuesd to mix 30 minutes；
S4, then by mixed powder feeding blender stir by spraying, material is spontaneous to be warming up to 60 DEG C, and in the temperature
Under the conditions of hybrid reaction 30 minutes, obtained after being cooled to room temperature later containing polymerization calcium and magnesium boron molecule high magnesium it is boron-rich in micro member
Plain fertilizer.
Contain the absorbable effective magnesium of crop and effective boron in this in trace element fertilizer；Effective magnesium mass content in terms of MgO
It is 8%, effective boron mass content in terms of B is 0.05%.Polymerization calcium and magnesium boron general formula of molecular structure wherein included are as follows:
In formula, n indicates the number of repeat unit of monomer in the polymer, n=50, molecular weight 22200.
The boron-rich middle trace element fertilizer of high magnesium for containing polymerization calcium and magnesium boron molecule prepared by 1-5 of the embodiment of the present invention is as base
Fertilizer is used for Flue-cured tobacco in Fujian model field, compared the Flue-cured tobacco Quality and yield of habits fertilization processing, see Table 2 for details:
Influence of the 2 Different Fertilization scheme of table to Flue-cured tobacco Quality and yield
CK is the scheme for not applying trace element fertilizer in the present invention in table 2；The field management of all fertilizer applications keeps one
It causes.Table 1 shows to handle compared to CK, after fertilizer of the present invention, exchangeable magnesium of the flue-cured tobacco in different growing stage soil and has
Effect boron content is obviously improved, and meets the nutritional need of flue-cured tobacco different growth periods；Exchange in flue-cured tobacco prosperous growth phase soil
Property magnesium and effective boron content increase at most, meet flue-cured tobacco nutritional need peak period to the nutritional need of magnesium and boron.Nicotine content
It is the important indicator of Flue-cured tobacco Quality, according to the requirement of " Chinese-style cigarette ", the nicotine content of middle part tobacco leaf is advisable with 2.5%, top
The nicotine content of tobacco leaf is advisable with 3.0%；It can be seen that compared with the crops of identical management condition but unused fertilizer of the present invention, this
The middle trace element fertilizer of invention had not only been able to satisfy the Meso- and micro-nutrients such as long-acting calcium and magnesium boron required for crop Life cycle, but also
Microelement in calcium and magnesium boron for being easy to crop absorption needed for crop nutrition peak period etc. can be provided, after fertilizer of the present invention
Crop yield improves 50-70%；Wherein more preferably with the effect of fertilizer of embodiment 3 and embodiment 4, the effect of fertilizer of embodiment 4 is most
It meets the requirements.It should be understood that the high magnesium boron-rich middle trace element fertilizer prepared by the present invention containing polymerization calcium and magnesium boron molecule is not
It can only be used to flue-cured tobacco class crop, be equally applicable to other crops.
The above is only the preferred embodiments of the present invention, and is not intended to limit the present invention in any form,
Any simple modification made to the above embodiment according to the technical essence of the invention, equivalent variations and modification, belong to
In the range of technical solution of the present invention.
Claims (9)
1. a kind of boron-rich middle trace element fertilizer of high magnesium containing polymerization calcium and magnesium boron molecule, it is characterised in that: including following weight parts
Raw material: 40-80 parts of silico-calcium potassic-magnesian fertilizers, 10-50 parts of boron muds, 10-30 parts of initiators and 0.05-0.1 parts of tartaric acid；The initiation
Agent is quick lime.
2. trace element fertilizer in as described in claim 1, it is characterised in that: the polymerization calcium and magnesium boron general formula of molecular structure are as follows:
In formula, n indicates the number of repeat unit of monomer in the polymer, n=5-50, number-average molecular weight 2220-22200.
3. trace element fertilizer in as described in claim 1, it is characterised in that: the mass content in the boron mud containing MgO is
The mass content of 23.0%-45.0%, B are 1.5-6.0%.
4. trace element fertilizer in as described in claim 1, it is characterised in that: the pH value of the boron mud is in 7.5-11.5.
5. trace element fertilizer in as described in claim 1, it is characterised in that: the tartaric acid is industrial or food grade materials,
Heavy metal Pb≤0.001%, As≤0.0002% contained in tartaric acid.
6. trace element fertilizer in as described in claim 1, it is characterised in that: absorbable containing crop in trace element fertilizer in this
Effective magnesium and effective boron；Effective magnesium mass content in terms of MgO is 8%~20%, and effective boron mass content in terms of B is 0.05%
~2%.
7. such as the preparation method of middle trace element fertilizer as claimed in any one of claims 1 to 6, it is characterised in that: this method includes
Following steps:
S1, by more than boron mud and initiator quick lime ball mill separate compiling to 80 tm screens less than 15%；
S2, according to designed raw material proportioning, silico-calcium potassic-magnesian fertilizer, boron mud and tartaric acid are first mixed into 10-30 in Y type batch mixer
Minute, so that silico-calcium potassic-magnesian fertilizer, boron mud and tartaric acid powder come into full contact with；
S3, according to weight ratio initiator is added in the mixed powder of step S2 preparation, 10-30 point is mixed in Y type batch mixer
Clock；
S4, it mixed powder prepared by step S3 is moved into blender is stirred, while spraying water mist, material self-heating amount
So that the temperature of mixture rises to 40-120 DEG C, and hybrid reaction 30 minutes under the conditions of the temperature, stop stirring after reaction
It mixes, the boron-rich middle trace element fertilizer of high magnesium containing polymerization calcium and magnesium boron molecule is obtained after material is cooled to room temperature.
8. the preparation method of trace element fertilizer in as claimed in claim 7, it is characterised in that: this method comprises the following steps:
S1, boron mud and initiator quick lime are used respectively ball mill grinding more than 15% to 80 tm screens；
S2, after weigh 55 parts by weight silico-calcium potassic-magnesian fertilizers, 15 parts by weight boron muds and 0.07 parts by weight tartaric acid, Y type batch mixer is added
Mixing 20 minutes, so that silico-calcium potassic-magnesian fertilizer, boron mud and tartaric acid come into full contact with；
S3,30 parts by weight initiator quick limes are added, continues to mix 20 minutes；
S4, after by mixed powder feeding blender stir by spraying, material is spontaneous to be warming up to 120 DEG C, and in the temperature condition
Lower hybrid reaction 30 minutes obtains the boron-rich middle microelement of high magnesium containing polymerization calcium and magnesium boron molecule after being cooled to room temperature later
Fertilizer.
9. the preparation method of trace element fertilizer in as claimed in claim 7, it is characterised in that: this method comprises the following steps:
S1, ball mill grinding is used to more than 10% to 80 tm screens respectively the boron mud and initiator quick lime first；
S2,65 parts by weight silico-calcium potassic-magnesian fertilizers, 15 parts by weight boron muds and 0.08 parts by weight tartaric acid are then weighed, Y type mixing is added
Machine mixes 20 minutes, so that silico-calcium potassic-magnesian fertilizer, boron mud and tartaric acid come into full contact with；
S3,20 parts by weight initiator quick limes are added, continuesd to mix 20 minutes；
S4, then by mixed powder feeding blender stir by spraying, material is spontaneous to be warming up to 100 DEG C, and in the temperature strip
Hybrid reaction 30 minutes under part obtain the boron-rich middle microelement of high magnesium containing polymerization calcium and magnesium boron molecule after being cooled to room temperature later
Fertilizer.
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| CN110903130A (en) * | 2019-12-12 | 2020-03-24 | 京博农化科技有限公司 | Novel calcium-magnesium-silicon granular fertilizer and preparation method thereof |
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| CN110078538A (en) * | 2019-04-16 | 2019-08-02 | 大连地拓环境科技有限公司 | A kind of comprehensive utilization tailing prepares silico-calcium potassium magnesium slow-release fertilizer and preparation method thereof |
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| CN110078538A (en) * | 2019-04-16 | 2019-08-02 | 大连地拓环境科技有限公司 | A kind of comprehensive utilization tailing prepares silico-calcium potassium magnesium slow-release fertilizer and preparation method thereof |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110903130A (en) * | 2019-12-12 | 2020-03-24 | 京博农化科技有限公司 | Novel calcium-magnesium-silicon granular fertilizer and preparation method thereof |
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Application publication date: 20191112 |