CN106495747A - A kind of method that manganese slag produces Water-soluble silicon fertilizer - Google Patents
A kind of method that manganese slag produces Water-soluble silicon fertilizer Download PDFInfo
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- CN106495747A CN106495747A CN201610954693.7A CN201610954693A CN106495747A CN 106495747 A CN106495747 A CN 106495747A CN 201610954693 A CN201610954693 A CN 201610954693A CN 106495747 A CN106495747 A CN 106495747A
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- soluble silicon
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- manganese slag
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- C—CHEMISTRY; METALLURGY
- C05—FERTILISERS; MANUFACTURE THEREOF
- C05D—INORGANIC FERTILISERS NOT COVERED BY SUBCLASSES C05B, C05C; FERTILISERS PRODUCING CARBON DIOXIDE
- C05D9/00—Other inorganic fertilisers
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Abstract
The invention discloses a kind of method that manganese slag produces Water-soluble silicon fertilizer, comprise the following steps, the steps such as alkalization, decomposition, neutralization, acid treatment, the method that a kind of manganese slag produces Water-soluble silicon fertilizer, effectively minimizing cannot be utilized for current manganese slag by the present invention, a large amount of waste pollution environment and Water-soluble silicon fertilizer production technology are required to carry out under high-temperature and high-pressure conditions, cause relatively costly situation.The present invention extracts the element silicon production Water-soluble silicon fertilizer in manganese slag using techniques such as acid treatment, decomposition reaction, neutralization, alkalization, using normal pressure alkalization method, low temperature（100℃）Under the conditions of prepare Water-soluble silicon fertilizer, can substantially reduce cost, improve the economy of technique, with wide market promotion prospect.
Description
Technical field
The present invention relates to solid waste utilizes technical field, more particularly to a kind of manganese slag produces the side of Water-soluble silicon fertilizer
Method.
Background technology
Mainly there are following several aspects to the research and utilization of manganese slag resource both at home and abroad at present:Reclaim manganese slag in ammonia nitrogen and
Manganese metal, using being rich in phosphorus, potassium, middle amount and microelements of calcium, magnesium, sulfur, ferrum, manganese, zinc, copper, boron, molybdenum, chlorine, silicon, selenium in manganese slag
The characteristics of Deng element, produces compound manganese fertilizer, fills out roadbed by the use of its physical property as cement additire, steam-pressing brisk, paving.More than
Method is not extracted and the element silicon using manganese slag, the different degrees of secondary pollution for causing environment, and element silicon is by international soil
Boundary is classified as the fourth-largest element fertilizer after nitrogen, phosphorus, potassium, while silicon is also the second largest element for constituting the earth, according to reconnoitring,
The arable land of China 60% lacks silicon, and the soil of China Yangtze river basin 70% lacks silicon;Huang-Huai-Hai and Liaoning there are about the soil of half and lacks silicon, and
The region of scarce silicon progressively expands.But element silicon is to resistance of plant etc. with important impact, product of the siliceous fertilizer to Oryza sativa L.
The aspects such as matter, yield, Resistant, preventing from heavy metal pollution show very positive effect. and research shows that silicon can promote fruit tree
Chlorophyll content in leaf blades and photosynthesis, prevent root system to rot to promote growth and the root system development of fruit tree, and adjust fruit tree pair
The absorption of the trace element such as nitrogen, phosphorus, potassium, the effectively physiological disturbance such as preventing and treating dehiscent fruit, bitter pit, early leaf fall, strengthen fruit tree and resist
Inverse ability, improves the quality of fruit, and the kind of siliceous fertilizer is mainly solubility in citric acid siliceous fertilizer, Water-soluble silicon fertilizer, and solubility in citric acid siliceous fertilizer is referred to
Water insoluble and be dissolved in after acid can be absorbed by crops；Water-soluble silicon fertilizer is dissolved in water energy and is directly absorbed by plant, with dissolving
Degree and silicon content are high, the characteristics of be more beneficial for plant absorption, be effectively improved soil.Water-soluble silicon fertilizer technique mainly has two at present
Kind：Dry method（1500℃）, wet method（4-8kg pressure）.
Content of the invention
For overcoming the deficiencies in the prior art, the invention discloses a kind of method that manganese slag produces Water-soluble silicon fertilizer.
To achieve these goals, following technical scheme present invention employs：
A kind of method that manganese slag produces Water-soluble silicon fertilizer, comprises the following steps：
Manganese ground-slag is broken to acid of the 40-120 mesh with mass percent for 8%-30% and is entered according to a certain percentage by the first step, acid treatment
Row mixing, heated and boiled reaction 0.1-1.5 hours in sour molten kettle, the gas produced in course of reaction pass through condensation reflux unit
Return sour molten kettle, keep above-mentioned acid concentration, solid-liquid separation after reaction, then with 70-100 DEG C of water washing into solid without hydrogen
Ion, and then solid 1 and liquid 1 is obtained, liquid 1 is stand-by；
Second step, decomposition, the distintegrant by solid 1 with mass percent for 20%-40% are reacted according to a certain percentage, react
Solid-liquid separation obtains solid 2 and liquid 2 afterwards, and solid 2 is stand-by；
3rd step, neutralization, mass percent are added in liquid 2 for the nertralizer of 5%-25% and adjust certain Ph values, are aged
After 0.5-3 hours, solid-liquid separation obtains solid 3 and liquid 3, and liquid 3 is stand-by；
4th step, alkalization, the basifier by solid 3 with mass percent for 5%-40% are mixed according to a certain percentage, in alkali
Change in kettle and react 0.2-3 hours, obtain Water-soluble silicon fertilizer liquid 4.
Preferably, in the step 1, manganese slag is 1t with the ratio of acid according to mass volume ratio：The ratio of 1-7m is mixed
Reaction is closed, acid used is sulphuric acid, a kind of multiple mixing of the latter of hydrochloric acid, nitric acid.
Preferably, involved condensation reflux unit in the first step is movable tube sheets heat exchanger, fixed tube sheet type heat exchange
Device, U-tube sheet heat exchanger, plate type heat exchanger.
Preferably, in the first step, solid 1 is 1t with the ratio of distintegrant according to mass volume ratio：The ratio of 3-9m
Hybrid reaction is carried out, distintegrant used is ammonium fluoride.
Preferably, the nertralizer that the 3rd step is referred to is ammonia, sodium hydroxide, potassium hydroxide, and the Ph values of regulation are 6-
8.
Preferably, in the 4th step, solid 3 is 1t with the ratio of basifier according to mass volume ratio：The ratio of 2-5m
Hybrid reaction is carried out, basifier used is the one or two kinds of mixing of sodium hydroxide, potassium hydroxide.
Preferably, involved solid-liquid separation process in the first step, second step and the 3rd step using pressure filter, automatically
The equipment such as scraper centrifugal machine, horizontal spiral centrifuge, disk centrifugal separator, static settling tank.
Compared with prior art, the invention has the beneficial effects as follows：The method that the manganese slag produces Water-soluble silicon fertilizer, by this
Bright effectively minimizing cannot utilize for current manganese slag, a large amount of waste pollution environment and Water-soluble silicon fertilizer production technology are required to
Carry out under high-temperature and high-pressure conditions, cause relatively costly situation.The present invention is using acid treatment, decomposition reaction, neutralization, alkalization etc.
Technique extracts the element silicon production Water-soluble silicon fertilizer in manganese slag, using normal pressure alkalization method, low temperature（100℃）Under the conditions of prepare water-soluble
Property siliceous fertilizer, can substantially reduce cost, improve the economy of technique, with wide market promotion prospect.
Description of the drawings
Fig. 1 is the method and step schematic diagram that the present invention proposes that a kind of manganese slag produces Water-soluble silicon fertilizer.
Specific embodiment
In order that the objects, technical solutions and advantages of the present invention become more apparent, below in conjunction with specific embodiment, to this
Invention is further elaborated.It should be appreciated that specific embodiment described herein is only in order to explain the present invention, not
For limiting the present invention.
Embodiment 1
A kind of method that manganese slag produces Water-soluble silicon fertilizer, comprises the following steps：
The first step, acid treatment, the acid that manganese ground-slag is broken to 40 mesh with mass percent is 8% is mixed according to a certain percentage,
In the molten kettle of acid, heated and boiled is reacted 0.1 hour, and the gas produced in course of reaction returns sour molten kettle by condensation reflux unit, protects
Hold above-mentioned acid concentration, solid-liquid separation after reaction, then with 70 DEG C of water washing into solid without hydrion, and then obtain solid
1 and liquid 1, liquid 1 is stand-by；
Second step, decomposition, the distintegrant that solid 1 and mass percent are 20% is reacted according to a certain percentage, solid after reaction
The isolated solid 2 of liquid and liquid 2, solid 2 are stand-by；
3rd step, neutralization, the nertralizer that mass percent is 5% are added in liquid 2 and adjust certain Ph values, are aged 0.5-3
After hour, solid-liquid separation obtains solid 3 and liquid 3, and liquid 3 is stand-by；
4th step, alkalization, the basifier that solid 3 and mass percent are 5% is mixed according to a certain percentage, in alkalization kettle
Middle reaction 0.2 hour, obtains Water-soluble silicon fertilizer liquid 4.
Embodiment 2
A kind of method that manganese slag produces Water-soluble silicon fertilizer, comprises the following steps：
The first step, acid treatment, the acid that manganese ground-slag is broken to 60 mesh with mass percent is 15% is mixed according to a certain percentage,
In sour molten kettle, heated and boiled is reacted 0.5 hour, and the gas produced in course of reaction returns sour molten kettle by condensation reflux unit,
Keep above-mentioned acid concentration, solid-liquid separation after reaction, then with 80 DEG C of water washing into solid without hydrion, and then consolidated
Body 1 and liquid 1, liquid 1 are stand-by；
Second step, decomposition, the distintegrant that solid 1 and mass percent are 25% is reacted according to a certain percentage, solid after reaction
The isolated solid 2 of liquid and liquid 2, solid 2 are stand-by；
3rd step, neutralization, the nertralizer that mass percent is 15% are added in liquid 2 and adjust certain Ph values, ageing 1.5
After hour, solid-liquid separation obtains solid 3 and liquid 3, and liquid 3 is stand-by；
4th step, alkalization, the basifier that solid 3 and mass percent are 15% is mixed according to a certain percentage, in alkalization kettle
Middle reaction 1 hour, obtains Water-soluble silicon fertilizer liquid 4.
Embodiment 3
A kind of method that manganese slag produces Water-soluble silicon fertilizer, comprises the following steps：
The first step, acid treatment, the acid that manganese ground-slag is broken to 100 mesh with mass percent is 25% is mixed according to a certain percentage,
In sour molten kettle, heated and boiled is reacted 1.2 hours, and the gas produced in course of reaction returns sour molten kettle by condensation reflux unit,
Keep above-mentioned acid concentration, solid-liquid separation after reaction, then with 90 DEG C of water washing into solid without hydrion, and then consolidated
Body 1 and liquid 1, liquid 1 are stand-by；
Second step, decomposition, the distintegrant that solid 1 and mass percent are 30% is reacted according to a certain percentage, solid after reaction
The isolated solid 2 of liquid and liquid 2, solid 2 are stand-by；
3rd step, neutralization, the nertralizer that mass percent is 20% are added in liquid 2 and adjust certain Ph values, and ageing 2 is little
When after solid-liquid separation obtain solid 3 and liquid 3, liquid 3 is stand-by；
4th step, alkalization, the basifier that solid 3 and mass percent are 25% is mixed according to a certain percentage, in alkalization kettle
Middle reaction 2 hours, obtains Water-soluble silicon fertilizer liquid 4.
Embodiment 4
A kind of method that manganese slag produces Water-soluble silicon fertilizer, comprises the following steps：
The first step, acid treatment, the acid that manganese ground-slag is broken to 120 mesh with mass percent is 30% is mixed according to a certain percentage,
In sour molten kettle, heated and boiled is reacted 1.5 hours, and the gas produced in course of reaction returns sour molten kettle by condensation reflux unit,
Keep above-mentioned acid concentration, solid-liquid separation after reaction, then with 100 DEG C of water washing into solid without hydrion, and then obtain
Solid 1 and liquid 1, liquid 1 are stand-by；
Second step, decomposition, the distintegrant that solid 1 and mass percent are 40% is reacted according to a certain percentage, solid after reaction
The isolated solid 2 of liquid and liquid 2, solid 2 are stand-by；
3rd step, neutralization, the nertralizer that mass percent is 25% are added in liquid 2 and adjust certain Ph values, and ageing 3 is little
When after solid-liquid separation obtain solid 3 and liquid 3, liquid 3 is stand-by；
4th step, alkalization, the basifier that solid 3 and mass percent are 40% is mixed according to a certain percentage, in alkalization kettle
Middle reaction 3 hours, obtains Water-soluble silicon fertilizer liquid 4.
The above, the only present invention preferably specific embodiment, but protection scope of the present invention is not limited thereto,
Any those familiar with the art the invention discloses technical scope in, technology according to the present invention scheme and its
Inventive concept equivalent or change in addition, should all be included within the scope of the present invention.
Claims (7)
1. a kind of method that manganese slag produces Water-soluble silicon fertilizer, it is characterised in that comprise the following steps：
Manganese ground-slag is broken to acid of the 40-120 mesh with mass percent for 8%-30% and is entered according to a certain percentage by the first step, acid treatment
Row mixing, heated and boiled reaction 0.1-1.5 hours in sour molten kettle, the gas produced in course of reaction pass through condensation reflux unit
Return sour molten kettle, keep above-mentioned acid concentration, solid-liquid separation after reaction, then with 70-100 DEG C of water washing into solid without hydrogen
Ion, and then solid 1 and liquid 1 is obtained, liquid 1 is stand-by；
Second step, decomposition, the distintegrant by solid 1 with mass percent for 20%-40% are reacted according to a certain percentage, react
Solid-liquid separation obtains solid 2 and liquid 2 afterwards, and solid 2 is stand-by；
3rd step, neutralization, mass percent are added in liquid 2 for the nertralizer of 5%-25% and adjust certain Ph values, are aged
After 0.5-3 hours, solid-liquid separation obtains solid 3 and liquid 3, and liquid 3 is stand-by；
4th step, alkalization, the basifier by solid 3 with mass percent for 5%-40% are mixed according to a certain percentage, in alkali
Change in kettle and react 0.2-3 hours, obtain Water-soluble silicon fertilizer liquid 4.
2. a kind of method that manganese slag produces Water-soluble silicon fertilizer according to claim 1, it is characterised in that：Manganese in the step 1
Slag is 1t with the ratio of acid according to mass volume ratio：The ratio of 1-7m carries out hybrid reaction, and acid used is sulphuric acid, hydrochloric acid, nitre
A kind of multiple mixing of sour the latter.
3. a kind of method that manganese slag produces Water-soluble silicon fertilizer according to claim 1, it is characterised in that：Institute in the first step
The condensation reflux unit being related to is movable tube sheets heat exchanger, fixed tube-sheet exchanger, U-tube sheet heat exchanger, plate type heat exchanger.
4. a kind of method that manganese slag produces Water-soluble silicon fertilizer according to claim 1, it is characterised in that：Solid in the first step
Body 1 is 1t with the ratio of distintegrant according to mass volume ratio：The ratio of 3-9m carries out hybrid reaction, and distintegrant used is fluorine
Change ammonium.
5. a kind of method that manganese slag produces Water-soluble silicon fertilizer according to claim 1, it is characterised in that：3rd step is referred to
Nertralizer be ammonia, sodium hydroxide, potassium hydroxide, the Ph values of regulation are 6-8.
6. a kind of method that manganese slag produces Water-soluble silicon fertilizer according to claim 1, it is characterised in that：Solid in 4th step
Body 3 is 1t with the ratio of basifier according to mass volume ratio：The ratio of 2-5m carries out hybrid reaction, and basifier used is hydrogen
Sodium oxide, the one or two kinds of mixing of potassium hydroxide.
7. a kind of method that manganese slag produces Water-soluble silicon fertilizer according to claim 1, it is characterised in that：The first step,
In two steps and the 3rd step, involved solid-liquid separation process adopts pressure filter, automatic scraper centrifuge, horizontal spiral centrifuge, dish
The equipment such as formula centrifuge, static settling tank.
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| CN201610954693.7A CN106495747A (en) | 2016-11-03 | 2016-11-03 | A kind of method that manganese slag produces Water-soluble silicon fertilizer |
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| CN201610954693.7A CN106495747A (en) | 2016-11-03 | 2016-11-03 | A kind of method that manganese slag produces Water-soluble silicon fertilizer |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110698257A (en) * | 2019-10-16 | 2020-01-17 | 铜仁学院 | Method for producing microelement water-soluble fertilizer from manganese slag |
| CN110790594A (en) * | 2019-10-16 | 2020-02-14 | 铜仁学院 | Method for producing secondary element water-soluble fertilizer from manganese slag |
Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1271708A (en) * | 1999-04-26 | 2000-11-01 | 福州一化硫酸化工有限公司 | Process for preparing silicon fertilizer from waste dregs of aluminium sulfate |
| CN104016357A (en) * | 2014-06-13 | 2014-09-03 | 铜仁学院 | Method for producing chemical raw materials by comprehensively utilizing manganese slag |
-
2016
- 2016-11-03 CN CN201610954693.7A patent/CN106495747A/en active Pending
Patent Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1271708A (en) * | 1999-04-26 | 2000-11-01 | 福州一化硫酸化工有限公司 | Process for preparing silicon fertilizer from waste dregs of aluminium sulfate |
| CN104016357A (en) * | 2014-06-13 | 2014-09-03 | 铜仁学院 | Method for producing chemical raw materials by comprehensively utilizing manganese slag |
Non-Patent Citations (1)
| Title |
|---|
| 山东金正大生态工程股份有限公司 编著: "《中微量元素肥料的生产与应用》", 31 October 2013, 中国农业科学技术出版社 * |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110698257A (en) * | 2019-10-16 | 2020-01-17 | 铜仁学院 | Method for producing microelement water-soluble fertilizer from manganese slag |
| CN110790594A (en) * | 2019-10-16 | 2020-02-14 | 铜仁学院 | Method for producing secondary element water-soluble fertilizer from manganese slag |
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Application publication date: 20170315 |