CN102167848B - Composite used for selenium fertilizer processing and preparation method and application thereof - Google Patents
Composite used for selenium fertilizer processing and preparation method and application thereof Download PDFInfo
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- CN102167848B CN102167848B CN 201110002179 CN201110002179A CN102167848B CN 102167848 B CN102167848 B CN 102167848B CN 201110002179 CN201110002179 CN 201110002179 CN 201110002179 A CN201110002179 A CN 201110002179A CN 102167848 B CN102167848 B CN 102167848B
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Abstract
The invention discloses a composite used for selenium fertilizer processing and a preparation method and application thereof. The composite comprises the following components by weight percent: 0.1%-0.5% of polyacrylamide, 0.5%-5% of beta-cyclodextrin, 1%-10% of sodium chloride and the balance of water. After the composite used for selenium fertilizer processing is mixed evenly with selenium fertilizer material powder in a ratio of 1:5 and the mixture is granulated, selenium fertilizer particles are formed. The composite can be used as the binder of the selenium fertilizer particles; and the selenium fertilizer particles processed by using the composite have good particle stability and stable particle size.
Description
Technical field
The present invention relates to a kind of sticker, particularly a kind of application that contains sticker and this sticker of selenium mineral powder belongs to organic high molecular compound and uses and the fertilizer production technology field.
Technical background
Selenium is a kind of rare and dispersed element, does not promptly form independent mineral and disperses to be present in the mineral of other elements with impurity state at occurring in nature.The crustal abundance of selenium is very low, is merely 0.08 * 10-4%, simultaneously, ore deposit and rareness thereof that selenium becomes simple substance to exist, global unique selenium independently becomes the area in ore deposit to be positioned at China enshi at present.
Selenium is a kind of humans and animals trace elements necessary, have remove radical anti-oxidant (, delay senility, biological characteristicses such as anticancer, strengthening immunity, antagonism heavy metal.It is 50～250 μ g that a day selenium intake is recommended by Chinese Soclety of Nutrition.The main meals that lean in human body selenium source are taken in, but China adult's average day selenium intake only have about 36 μ g, and therefore, the selemium nutrition condition of poor is at China's ubiquity.The data that WHO announces shows that also the whole world has more than 40 country to belong to low selenium or scarce selenium area.Rich selenium agricultural byproducts are human body supplement selenium element effective ways, and therefore, technique of enriched selenium is scientists study hot of research and development field.
China belongs to the serious country that lacks selenium, and the whole nation has 70% area all to belong to lack the selenium area approximately.The selenium deficiency of soil has directly caused the deficiency of selenium content in most of regional farm crop, makes China a big chunk crowd be in the selemium nutrition deficiency state.Therefore, the general selenium content of the agricultural byproducts that common area produces is all comparatively low, and people are very limited from the selenium of wherein taking in.
The selenium ore that enshi autonomous prefecture exists be the world 70% or more the scarce geographic mankind of selenium brought Gospel, the exploitation prospect in selenium product and selenium mineral deposit is wide.Chinese patent " it is fertile to utilize the selenium ore deposit to produce selenium " (application number 02128368.0) discloses a kind of selenium ore deposit, warp pulverizing, activated with ammonia water utilized and has handled, and is mixed mutually with nutriment in a fertilizer such as nitrogen, phosphorus, potassium again, is made into the fertile method of powdery or granular selenium.
Sticker is for the intensity that improves pressed compact or prevents the powder segregation and add the material in the powder to, is the assurance of cohesive strength between abrasive material and the matrix.Carry out the fertile processing and manufacturing of selenium through the selenium ore, ultimate demand is through the granulation link, so because the characteristic of selenium mineral powder and the fertile purposes of final selenium are most important to the formulation selection of sticker.
Contain selenium mineral powder and contain selenium ore preparation and get, wherein contain siliceous and carbonaceous mineralogical compositions in a large number, like quartz, mica etc. by natural.Utilization contains selenium mineral powder and prepares selenium fertilizer, has both needed sticker that suitable cohesive strength is arranged, can effective bonding quartz, raw mineral materials such as mica, and make selenium fertilizer be unlikely to breaking and Dusting in processing and transportation; It is certain water-soluble to need sticker to have again, is beneficial to selenium fertilizer and in soil, dissolves the effective constituent that discharges wherein.
Application number is that 95110218.4 Chinese patent " metal mining powder granulation (piece) tackiness agent " discloses a kind of sticker that is mixed with by mother liquor (glucide), monomer (water-soluble monomer), linking agent, initiator, neutralizing agent and water; Can be used for black and the granulation of non-ferrous metal breeze; Can improve granulation rate and quality product, and can reduce cost.Application is that 02123522.8 Chinese invention patent " adhesive for granulating mixed organic fertilizer and working method thereof " discloses a kind of with behind PVF, methylolation SEPIGEL 305, the cross-linking starch proportional mixing; Use mixed surfactant Amway modification again, generate adhesive for granulating of the present invention.But related art does not all relate to the sticker that contains the fertile processing of selenium mineral powder and selenium.
Summary of the invention
The object of the invention is to provide a kind of selenium fertilizer (main raw material is to contain the selenium mineral powder that the selenium ore processes) composition processed that is used for, and solved the processing and manufacturing that this kind selenium is fertile in the prior art and caused the selenium mineral powder end to be difficult to problems such as processing or processing efflorescence afterwards be serious owing to lack preferably sticker.
In order to solve these problems of the prior art, technical scheme provided by the invention is:
A kind of fertile composition processed of selenium that is used for is characterized in that said compsn comprises in the massfraction of its component:
SEPIGEL 305 0.1%～0.5%;
Beta-cyclodextrin 0.5%～5%;
Sodium-chlor 1%～10%;
All the other are water.
Preferably, said compsn comprises in the massfraction of its component:
SEPIGEL 305 0.2%～0.4%;
Beta-cyclodextrin 1%～3%;
Sodium-chlor 3%～5%;
All the other are water.
The present invention also provides a kind of preparation to be used for the method for the fertile composition processed of selenium, it is characterized in that said method comprising the steps of:
(1) be 2～4: 30～50 with mass ratio: stir after 300 SEPIGEL 305, sodium-chlor, water mix and obtain A solution;
(2) being 20～30: 300 beta-cyclodextrin with mass ratio obtains B solution with stirring after water mixes;
(3) mixing above-mentioned A, B solution also, dilute with water promptly obtains the described fertile composition processed of selenium that is used for.
Another purpose of the present invention is to provide a kind of application of the fertile composition processed of selenium aspect preparation particle selenium fertilizer that be used for.
Preferably, said application comprises and granulates after evenly by 1: 5 mixed and form the step of particle selenium fertilizer being used for the fertile composition processed of selenium and the fertile material powder of selenium.
The fertile composition processed of selenium that is used for of the present invention can be used to contain the selenium mineral powder sticker.Be that the present invention can provide a kind of selenium mineral powder sticker that contains, its staple is SEPIGEL 305, beta-cyclodextrin, sodium-chlor and water.Massfraction in the component that contains the selenium mineral powder sticker comprises:
SEPIGEL 305 0.1%～0.5%;
Beta-cyclodextrin 0.5%～5%;
Sodium-chlor 1%～10%;
All the other are water.
Preferably, the massfraction of SEPIGEL 305 is 0.2%～0.4%, the The quality of ss-cyclodextrin mark is 1%～3%, the massfraction of sodium-chlor is 3%～5%, and remainder is supplied with water.
Natural, when the present invention is configured this and contains the selenium mineral powder sticker, can be at ambient temperature, with SEPIGEL 305, sodium-chlor, water according to 2～4: stir after the mixed of 30～50: 300 (in mass); With beta-cyclodextrin and water according to 20～30: stir after the mixed of 300 (in mass).Above-mentioned two kinds of solution are mixed and are diluted with water to 1000 quality, promptly accomplish the preparation of this sticker.This sticker and the fertile raw material powder of selenium (like the selenium mineral powder end) is even by 1: 5 mixed, and dry through granulating, it is fertile to make particle selenium.
Know-why of the present invention is: SEPIGEL 305 is a kind of high molecular weight water soluble polymer, can play adhesive effect through effect machinery, physics, chemistry, is the component that plays a major role in this sticker.The effect of the sodium-chlor in the prescription is to reduce the throwing out between the polyacrylamide amine molecule, plays the effect that increases SEPIGEL 305 viscosity, is beneficial to the granulation bonding to the fertile material powder of selenium; Above-mentioned solution adds the beta-cyclodextrin solution after the dilution, can further strengthen the viscosity of solution, is beneficial to the moulding granulation of the fertile material breeze of selenium.
Viscosity by the sticker of this formulated is moderate, can comprise to staple effectively that the selenium mineral powder that contains of mineralogical compositions such as quartz, mica plays adhesive effect, is convenient to granulation.And with the sticker of this formulated through granulate dry after in water solvability still better, entry is promptly changed, and helps the release of effective constituent in soil in the selenium fertilizer.
With the fertile material powder of this sticker and selenium by 1: 5 mixed evenly after, the material powder is difficult for forming big caking in the pelletization, and the granule stability that forms is good, particle diameter is stablized.
With respect to scheme of the prior art, advantage of the present invention is:
Compsn of the present invention can be used for the fertile sticker of processing granular selenium, processes with said composition that the fertile granule stability of the particle selenium that obtains is good, particle diameter stable; And in the use of field, the selenium rich water dissolubility that uses this prescription to granulate is good, is beneficial to fertilizer efficiency and divides release.
Embodiment
Below in conjunction with specific embodiment such scheme is further specified.Should be understood that these embodiment are used to the present invention is described and are not limited to limit scope of the present invention.The implementation condition that adopts among the embodiment can be done further adjustment according to the condition of concrete producer, and not marked implementation condition is generally the condition in the normal experiment.
Embodiment 1
At ambient temperature, with stirring after SEPIGEL 305, sodium-chlor, the mixed of water according to 2: 30: 300 (in mass); With stirring after beta-cyclodextrin and the mixed of water according to 20: 300 (in mass).Above-mentioned two kinds of solution are mixed and are diluted with water to 1000 quality; This sticker and the fertile raw material powder of selenium is even by 1: 5 mixed; Particle diameter is uniform and stable in the pelletization, the densification of gained particle is solid, and pelletization is smooth and easy, no material plate knot or machine latch up phenomenon.Obtained particle selenium fertilizer is lower than 2% at process Pulverization ratios such as storage transportations; In the application of field, the selenium fertile chance water or back about the 20 minutes particles that water are that disintegratable is complete, are beneficial to fertilizer efficiency and discharge.
Embodiment 2
Under normal temperature condition, with stirring after SEPIGEL 305, sodium-chlor, the mixed of water according to 3: 40: 300 (in mass); With stirring after beta-cyclodextrin and the mixed of water according to 25: 300 (in mass).Above-mentioned two kinds of solution are mixed and are diluted with water to 1000 quality; This sticker and the fertile raw material powder of selenium is even by 1: 5 mixed; Particle diameter is uniform and stable in the pelletization, the densification of gained particle is solid, and pelletization is smooth and easy, no material plate knot or machine latch up phenomenon.Obtained particle selenium fertilizer is lower than 1.5% at process Pulverization ratios such as storage transportations; In the application of field, the selenium fertile chance water or back about the 30 minutes particles that water are that disintegratable is complete, are beneficial to fertilizer efficiency and discharge.
Embodiment 3
At ambient temperature, with stirring after SEPIGEL 305, sodium-chlor, the mixed of water according to 4: 50: 300 (in mass); With stirring after beta-cyclodextrin and the mixed of water according to 30: 300 (in mass).Above-mentioned two kinds of solution are mixed and are diluted with water to 1000 quality; This sticker and the fertile raw material powder of selenium is even by 1: 5 mixed; Particle diameter is uniform and stable in the pelletization, the densification of gained particle is solid, and pelletization is smooth and easy, no material plate knot or machine latch up phenomenon.Obtained particle selenium fertilizer is lower than 1% at process Pulverization ratios such as storage transportations; In the application of field, the selenium fertile chance water or back about the 45 minutes particles that water are that disintegratable is complete, are beneficial to fertilizer efficiency and discharge.
Embodiment 4
At ambient temperature, with stirring after SEPIGEL 305, sodium-chlor, the mixed of water according to 3: 35: 300 (in mass); With stirring after beta-cyclodextrin and the mixed of water according to 28: 300 (in mass).Above-mentioned two kinds of solution are mixed and are diluted with water to 1000 quality; This sticker and the fertile raw material powder of selenium is even by 1: 5 mixed; Particle diameter is uniform and stable in the pelletization, the densification of gained particle is solid, and pelletization is smooth and easy, no material plate knot or machine latch up phenomenon.Obtained particle selenium fertilizer is lower than 0.5% at process Pulverization ratios such as storage transportations; In the application of field, the selenium fertile chance water or back about the 60 minutes particles that water are that disintegratable is complete, are beneficial to fertilizer efficiency and discharge.
Embodiment 5
At ambient temperature, with stirring after SEPIGEL 305, sodium-chlor, the mixed of water according to 3.5: 45: 300 (in mass); With stirring after beta-cyclodextrin and the mixed of water according to 22: 300 (in mass).Above-mentioned two kinds of solution are mixed and are diluted with water to 1000 quality; This sticker and the fertile raw material powder of selenium is even by 1: 5 mixed; Particle diameter is uniform and stable in the pelletization, the densification of gained particle is solid, and pelletization is smooth and easy, no material plate knot or machine latch up phenomenon.Obtained particle selenium fertilizer is lower than 0.3% at process Pulverization ratios such as storage transportations; In the application of field, the selenium fertile chance water or back about the 80 minutes particles that water are that disintegratable is complete, are beneficial to fertilizer efficiency and discharge.
Above-mentioned instance only is explanation technical conceive of the present invention and characteristics, and its purpose is to let the people who is familiar with this technology can understand content of the present invention and enforcement according to this, can not limit protection scope of the present invention with this.All equivalent transformations that spirit is done according to the present invention or modification all should be encompassed within protection scope of the present invention.
Claims (4)
1. one kind is used for the fertile composition processed of selenium, it is characterized in that said compsn comprises in the massfraction of its component:
SEPIGEL 305 0.2%～0.4%;
Beta-cyclodextrin 1%～3%;
Sodium-chlor 3%～5%;
All the other are water.
2. prepare the described method that is used for the fertile composition processed of selenium of claim 1 for one kind, it is characterized in that said method comprising the steps of:
(1) be 2～4: 30～50 with mass ratio: stir after 300 SEPIGEL 305, sodium-chlor, water mix and obtain A solution;
(2) being 20～30: 300 beta-cyclodextrin with mass ratio obtains B solution with stirring after water mixes;
(3) mixing above-mentioned A, B solution also, dilute with water promptly obtains the described fertile composition processed of selenium that is used for.
3. the described fertile composition processed of selenium that is used for of a claim 1 is in the application of preparation particle selenium aspect fertile.
4. application according to claim 3 is characterized in that said application comprises the described fertile composition processed of selenium and the fertile material powder of selenium of being used for of claim 1 granulated after evenly by 1: 5 mixed and formed the step of particle selenium fertilizer.
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| Application Number | Priority Date | Filing Date | Title |
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| CN 201110002179 CN102167848B (en) | 2011-01-07 | 2011-01-07 | Composite used for selenium fertilizer processing and preparation method and application thereof |
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| Application Number | Priority Date | Filing Date | Title |
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| CN 201110002179 CN102167848B (en) | 2011-01-07 | 2011-01-07 | Composite used for selenium fertilizer processing and preparation method and application thereof |
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| CN102167848A CN102167848A (en) | 2011-08-31 |
| CN102167848B true CN102167848B (en) | 2012-12-12 |
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Families Citing this family (3)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN102498950A (en) * | 2011-12-07 | 2012-06-20 | 苏州硒谷科技有限公司 | Selenium sustained-release edible fungus additive for selenium-rich culturing of edible fungus and preparation method thereof |
| CN108464442A (en) * | 2018-03-13 | 2018-08-31 | 泛素（北京）食品科技发展有限公司 | A kind of preparation method of the natural selenium-rich food of cytotrophy |
| CN108640749A (en) * | 2018-06-26 | 2018-10-12 | 恩施土家族苗族自治州农业科学院 | A kind of organic-inorganic compound fertilizer is granulated cementing agent and preparation method thereof |
Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1184093A (en) * | 1996-12-03 | 1998-06-10 | 河南省偃师市磷肥厂 | Fast dissolved granulated calcium magnesium phosphate fertilizer and its production process |
| CN1390812A (en) * | 2002-07-02 | 2003-01-15 | 张夫道 | Adhesive for granulating mixed organic fertilizer and its preparing process |
| CN101024587A (en) * | 2007-02-08 | 2007-08-29 | 石河子大学 | Solid-grain selesium fertilizer and preparing method |
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2011
- 2011-01-07 CN CN 201110002179 patent/CN102167848B/en active Active
Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1184093A (en) * | 1996-12-03 | 1998-06-10 | 河南省偃师市磷肥厂 | Fast dissolved granulated calcium magnesium phosphate fertilizer and its production process |
| CN1390812A (en) * | 2002-07-02 | 2003-01-15 | 张夫道 | Adhesive for granulating mixed organic fertilizer and its preparing process |
| CN101024587A (en) * | 2007-02-08 | 2007-08-29 | 石河子大学 | Solid-grain selesium fertilizer and preparing method |
Non-Patent Citations (1)
| Title |
|---|
| 曹丽花等.土壤结构改良剂对风沙土水稳性团聚体改良效果及机理的研究.《水土保持学报》.2007,第21卷(第2期),65-68. * |
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Denomination of invention: Composite used for selenium fertilizer processing and preparation method and application thereof Effective date of registration: 20130416 Granted publication date: 20121212 Pledgee: CITIC Bank, Limited by Share Ltd, Suzhou branch Pledgor: Suzhou Se Technology Co., Ltd. Registration number: 2013320010006 |
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