CN106747679A - A kind of method that utilization potassium feldspar prepares liquid potash fertilizer - Google Patents
A kind of method that utilization potassium feldspar prepares liquid potash fertilizer Download PDFInfo
- Publication number
- CN106747679A CN106747679A CN201611225667.7A CN201611225667A CN106747679A CN 106747679 A CN106747679 A CN 106747679A CN 201611225667 A CN201611225667 A CN 201611225667A CN 106747679 A CN106747679 A CN 106747679A
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- CN
- China
- Prior art keywords
- potassium feldspar
- potassium
- aqueous solution
- potash fertilizer
- utilization
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Classifications
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- C—CHEMISTRY; METALLURGY
- C01—INORGANIC CHEMISTRY
- C01B—NON-METALLIC ELEMENTS; COMPOUNDS THEREOF; METALLOIDS OR COMPOUNDS THEREOF NOT COVERED BY SUBCLASS C01C
- C01B25/00—Phosphorus; Compounds thereof
- C01B25/16—Oxyacids of phosphorus; Salts thereof
- C01B25/26—Phosphates
- C01B25/30—Alkali metal phosphates
- C01B25/301—Preparation from liquid orthophosphoric acid or from an acid solution or suspension of orthophosphates
-
- C—CHEMISTRY; METALLURGY
- C04—CEMENTS; CONCRETE; ARTIFICIAL STONE; CERAMICS; REFRACTORIES
- C04B—LIME, MAGNESIA; SLAG; CEMENTS; COMPOSITIONS THEREOF, e.g. MORTARS, CONCRETE OR LIKE BUILDING MATERIALS; ARTIFICIAL STONE; CERAMICS; REFRACTORIES; TREATMENT OF NATURAL STONE
- C04B7/00—Hydraulic cements
- C04B7/02—Portland cement
-
- 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
- C05D1/04—Fertilisers containing potassium from minerals or volcanic rocks
Abstract
The invention discloses a kind of method that utilization potassium feldspar prepares liquid potash fertilizer, including：After by potassium feldspar natural air drying, crushed by pulverizer, by 200 mesh sieves, obtain potassium feldspar powder；Potassium feldspar powder and sodium carbonate are pressed 1.41：1 ratio is mixed, and after loading graphite crucible, and is positioned in high-temperature calcination stove and is calcined with 1000 DEG C 1200 DEG C of high temperature, is taken out after 5h；Clinker after calcining is dissolved in deionized water, is filtered after stirring 30min, obtain the potassium ion aqueous solution；The neutral solution that pH is 7 is modulated into, the aqueous solution of 20mg/kg, 40mg/kg, 60mg/kg, 80mg/kg and 100mg/kg is diluted to respectively.The present invention can be directly acted in agricultural production application, and good facilitation is served to seedling and wheat germination etc., and the process flow is short, with low cost, pollution-free, can industrialized production, high financial profit.
Description
Technical field
Potassium technical field, the method that particularly a kind of utilization potassium feldspar prepares liquid potash fertilizer are put forward the present invention relates to mineral.
Background technology
Potash fertilizer is one of three macroelement fertilizers of crops, is the protection material of agricultural production and grain security.
China is the consumption big country of potash fertilizer, and the consumption figure of potash fertilizer accounts for 20% or so of world's potash fertilizer total quantity consumed, most of arable lands of China
Potassium deficiency itself, and the sylvite for being used for potash fertilizer production is scarce mineral resources in China.But China's refractory potassic mine is numerous, such as potassium
How feldspar etc., the potash fertilizer in arable land etc. is produced using refractory potassic mine, and the primary study for putting forward potassium technology at present as China is anti-
Direction.
The content of the invention
It is an object of the invention to overcome the deficiencies in the prior art, there is provided a kind of utilization potassium feldspar prepares the side of liquid potash fertilizer
Method, liquid potash fertilizer prepared by the present invention can be directly acted in agricultural production application, and seedling and wheat germination etc. are served very
Good facilitation, the process flow is short, with low cost, pollution-free, can industrialized production, high financial profit.
The purpose of the present invention is achieved through the following technical solutions：A kind of utilization potassium feldspar prepares the side of liquid potash fertilizer
Method, comprises the following steps：
A, by potassium feldspar natural air drying after, 1-2h is dried under conditions of 40 DEG C -50 DEG C, then crush by pulverizer, by 200
Mesh sieve, obtains potassium feldspar powder；
B, potassium feldspar powder and sodium carbonate are pressed 1.41：1 ratio is mixed, and after loading graphite crucible, and is positioned over high temperature
Calcined with 1000 DEG C -1200 DEG C of high temperature on calcining furnace, taken out after 5h；
C, the clinker after calcining is dissolved in deionized water, is filtered after stirring 30min, obtain the potassium ion aqueous solution；
D, it is modulated into pH and is 7 neutral solution, and add clear water, 20mg/kg, 40mg/kg, 60mg/kg, 80mg/ is diluted to respectively
The aqueous solution of kg and 100mg/kg.
Preferably, in stepb, it has been additionally added CaO and C.
Preferably, in step c, the filter residue for filtering out, by being prepared into clinker after drying.
Preferably, in step c, also including collecting flue dust during calcining, feeding clear water is made the aqueous solution, in the aqueous solution
Phosphoric acid is added, the crystallization of di(2-ethylhexyl)phosphate potassium dihydrogen is condensed into.
The beneficial effects of the invention are as follows：
（1）Potassium is carried using China's refractory potassic mine resource, China's potash fertilizer shortage is solved the problems, such as, it is with low cost, it is adapted to industry
Metaplasia is produced；
（2）Slightly solubility potassium can be converted to soluble potassium, and produce liquid potash fertilizer, be directly used in agricultural production, to children
Seedling and wheat germination etc. serve good facilitation, and the process flow is short, with low cost, pollution-free.
Specific embodiment
Present invention is further described below by embodiment, but present disclosure be not limited to it is following
Embodiment.
Embodiment 1：
With the potassium feldspar of city of Leshan sichuan Shawan District, after potassium feldspar is cleaned after natural air drying, 1h is dried under conditions of 40 DEG C,
Crushed by jaw crusher again, by 200 mesh sieves, obtain potassium feldspar powder, to adding sodium carbonate in potassium feldspar powder so that
Potassium feldspar powder is 1.41 with the mass ratio of sodium carbonate：1 ratio is well mixed, and loads graphite crucible, and be positioned over Muffle furnace
On calcined with 1000 DEG C of temperature, after 5h take out, the clinker after calcining is dissolved in deionized water, stirring 30min after mistake
Filter, obtains the potassium ion aqueous solution, is 7 neutral solution to adding calcium oxide to be modulated into pH in the potassium ion aqueous solution, and adds clear water,
Dilute solution, respectively obtains the aqueous solution of 20mg/kg, 40mg/kg, 60mg/kg, 80mg/kg and 100mg/kg, is treated after tinning
With, containing having potassium ion, sodium ion and the aluminium ion of facilitation to seedling in the aqueous solution, without being purified by enter
Exercise and use, saved procedure step, practical application effect can be reached.
Embodiment 2：
With the potassium feldspar in Hengyang, Hunan Province county, after potassium feldspar is cleaned after natural air drying, 2h is dried under conditions of 50 DEG C, then pass through
Jaw crusher is crushed, and by 200 mesh sieves, obtains potassium feldspar powder, to adding sodium carbonate in potassium feldspar powder so that potassium feldspar
Powder is 1.41 with the mass ratio of sodium carbonate：1 ratio is well mixed, and loads graphite crucible, and be positioned on Muffle furnace with
1200 DEG C of temperature is calcined, and is taken out after 5h, and the clinker after calcining is dissolved in deionized water, is filtered after stirring 30min, is obtained
To the potassium ion aqueous solution, it is 7 neutral solution to adding calcium oxide to be modulated into pH in the potassium ion aqueous solution, and adds clear water, dilutes
Solution, respectively obtains the aqueous solution of 20mg/kg, 40mg/kg, 60mg/kg, 80mg/kg and 100mg/kg, stand-by after tinning, should
Containing having potassium ion, sodium ion and the aluminium ion of facilitation to seedling in the aqueous solution, enforcement can be entered without being purified
With, procedure step has been saved, practical application effect can be reached.
Embodiment 3：
With the potassium feldspar of Sichuan Guangyuan city Wangcang County, after potassium feldspar is cleaned after natural air drying, dried under conditions of 45 DEG C
1.5h, then crushed by jaw crusher, by 200 mesh sieves, potassium feldspar powder is obtained, to adding carbonic acid in potassium feldspar powder
Sodium so that potassium feldspar powder is 1.41 with the mass ratio of sodium carbonate：1 ratio is well mixed, and loads graphite crucible, and be positioned over
Calcined with 1100 DEG C of temperature on Muffle furnace, taken out after 5h, the clinker after calcining is dissolved in deionized water, stirred
Filtered after 30min, obtain the potassium ion aqueous solution, the neutral solution that pH is 7 is modulated into addition calcium oxide in the potassium ion aqueous solution, and
Clear water, dilute solution is added to respectively obtain the aqueous solution of 20mg/kg, 40mg/kg, 60mg/kg, 80mg/kg and 100mg/kg,
It is stand-by after tinning, containing potassium ion, sodium ion and the aluminium ion to seedling with facilitation in the aqueous solution, without being carried
It is pure to be used, procedure step has been saved, practical application effect can be reached.
Embodiment 4：
With the potassium feldspar of Mount Emei, sichuan, China, after potassium feldspar is cleaned after natural air drying, 1h is dried under conditions of 40 DEG C, then pass through
Jaw crusher is crushed, and by 200 mesh sieves, obtains potassium feldspar powder, to adding sodium carbonate in potassium feldspar powder so that potassium feldspar
Powder is 1.41 with the mass ratio of sodium carbonate：1 ratio is well mixed, and loads graphite crucible, and be positioned on Muffle furnace with
1100 DEG C of temperature is calcined, and is taken out after 5h, and the clinker after calcining is dissolved in deionized water, is filtered after stirring 30min, is obtained
To the potassium ion aqueous solution, it is 7 neutral solution to adding calcium oxide to be modulated into pH in the potassium ion aqueous solution, and adds clear water, dilutes
Solution, respectively obtains the aqueous solution of 20mg/kg, 40mg/kg, 60mg/kg, 80mg/kg and 100mg/kg, stand-by after tinning, should
Containing having potassium ion, sodium ion and the aluminium ion of facilitation to seedling in the aqueous solution, enforcement can be entered without being purified
With, procedure step has been saved, practical application effect can be reached.
Embodiment described above only expresses specific embodiment of the invention, and its description is more specific and detailed, but simultaneously
Therefore the limitation to the scope of the claims of the present invention can not be interpreted as.It should be pointed out that for one of ordinary skill in the art
For, without departing from the inventive concept of the premise, various modifications and improvements can be made, these belong to guarantor of the invention
Shield scope.
Claims (4)
1. a kind of method that utilization potassium feldspar prepares liquid potash fertilizer, it is characterised in that comprise the following steps：
A, by potassium feldspar natural air drying after, 1-2h is dried under conditions of 40 DEG C -50 DEG C, then crush by pulverizer, by 200
Mesh sieve, obtains potassium feldspar powder；
B, potassium feldspar powder and sodium carbonate are pressed 1.41：1 ratio is mixed, and after loading graphite crucible, and is positioned over high temperature
Calcined with 1000 DEG C -1200 DEG C of high temperature on calcining furnace, taken out after 5h；
C, the clinker after calcining is dissolved in deionized water, is filtered after stirring 30min, obtain the potassium ion aqueous solution；
D, it is modulated into pH and is 7 neutral solution, and add clear water, 20mg/kg, 40mg/kg, 60mg/kg, 80mg/ is diluted to respectively
The aqueous solution of kg and 100mg/kg.
2. a kind of method that utilization potassium feldspar prepares liquid potash fertilizer according to claim 1, it is characterised in that in stepb,
It has been additionally added CaO and C.
3. a kind of method that utilization potassium feldspar prepares liquid potash fertilizer according to claim 1, it is characterised in that in step c,
The filter residue for filtering out, by being prepared into clinker after drying.
4. a kind of method that utilization potassium feldspar prepares liquid potash fertilizer according to claim 1, it is characterised in that in step c,
Flue dust when also including collecting calcining, feeding clear water is made the aqueous solution, to phosphoric acid is added in the aqueous solution, is condensed into di(2-ethylhexyl)phosphate dihydro
Potassium is crystallized.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201611225667.7A CN106747679A (en) | 2016-12-27 | 2016-12-27 | A kind of method that utilization potassium feldspar prepares liquid potash fertilizer |
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| Application Number | Priority Date | Filing Date | Title |
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| CN201611225667.7A CN106747679A (en) | 2016-12-27 | 2016-12-27 | A kind of method that utilization potassium feldspar prepares liquid potash fertilizer |
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| CN106747679A true CN106747679A (en) | 2017-05-31 |
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| CN201611225667.7A Pending CN106747679A (en) | 2016-12-27 | 2016-12-27 | A kind of method that utilization potassium feldspar prepares liquid potash fertilizer |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108706602A (en) * | 2018-03-22 | 2018-10-26 | 滁州方大矿业发展有限公司 | A kind of utilization method of potassium feldspar |
| KR102240695B1 (en) * | 2021-01-12 | 2021-04-15 | 한국지질자원연구원 | Method of manufacturing alumina clinker and potassium sulfate using oyster shell and alunite, and composition comprising alumina clinker or potassium sulfate |
-
2016
- 2016-12-27 CN CN201611225667.7A patent/CN106747679A/en active Pending
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108706602A (en) * | 2018-03-22 | 2018-10-26 | 滁州方大矿业发展有限公司 | A kind of utilization method of potassium feldspar |
| KR102240695B1 (en) * | 2021-01-12 | 2021-04-15 | 한국지질자원연구원 | Method of manufacturing alumina clinker and potassium sulfate using oyster shell and alunite, and composition comprising alumina clinker or potassium sulfate |
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Application publication date: 20170531 |