CN103708884A - Method for preparing fertilizer through high-iron low-tin ore tailings - Google Patents
Method for preparing fertilizer through high-iron low-tin ore tailings Download PDFInfo
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- CN103708884A CN103708884A CN201310696357.3A CN201310696357A CN103708884A CN 103708884 A CN103708884 A CN 103708884A CN 201310696357 A CN201310696357 A CN 201310696357A CN 103708884 A CN103708884 A CN 103708884A
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Abstract
The invention relates to a method for preparing a fertilizer through high-iron low-tin ore tailings. The method comprises the following steps: powdering the high-iron low-tin ore tailings, potassium feldspar and sandstones containing phosphorus powder, and performing uniform mixing; adding humic acid and tap water, and performing uniform mixing to obtain a product; putting the product into a rotary furnace, and performing baking to obtain a mixture; granulating the mixture to obtain granules; drying, naturally cooling and packaging the granules to prepare the high-iron low-tin ore tailings fertilizer. The fertilizer prepared through the method contains multiple elements, so that a crop can reach an optimum growth state, requirements of the crop on various elements can be met, and the yield and quality of the crop are improved.
Description
Technical field
The present invention relates to a kind of high-iron and low-tin ore deposit mine tailing composting method of utilizing, belong to chemical fertilizer field.
Background technology
Fertilizer is the grain of farm crop, and chemical fertilizer is the main production means.China is one of country of fertilizer amount maximum, accounts for the whole world 8% cultivated area and but uses approximately 30% chemical fertilizer amount, due to excessive or irrationally cause input-output ratio to decline partially to fertilize, has strengthened production cost.
A large amount of exploitations in high-iron and low-tin ore deposit, mine tailing has produced huge pressure to ecotope, even produces huge destruction.In tailings, contain a large amount of iron resourcess, therefore, make full use of high-iron and low-tin ore deposit tail, turn waste into wealth, for protection of the environment, improve mineral products level of comprehensive utilization, increase economic efficiency, there is great scientific meaning and social benefit.
Summary of the invention
Technical problem to be solved by this invention is to provide a kind of high-iron and low-tin ore deposit mine tailing composting method of utilizing, fertilizer prepared by the present invention contains multiple element, can make crop reach optimum growh state, can meet the demand of crop to various elements, thereby improve output and the quality of crop.
The technical scheme that the present invention solves the problems of the technologies described above is as follows: a kind of high-iron and low-tin ore deposit mine tailing composting method of utilizing, comprising:
1) high-iron and low-tin ore deposit mine tailing, potassium felspar sand, phosphorous siltstone are ground into powder, mix, add humic acids and tap water, mix and be placed on rotary kiln baking, obtain mixture;
2), by granulating mixture, the particle oven dry, naturally cooling, the packing that obtain, make high-iron and low-tin ore deposit mine tailing fertilizer.
On the basis of technique scheme, the present invention can also do following improvement.
Further, described high-iron and low-tin mine tailing, potassium felspar sand, phosphorous siltstone (1～3) in mass ratio: (1～5): mix (2～6).
Further, the add-on of described humic acids is 1～3 times of high-iron and low-tin mine tailing add-on, and the add-on of described tap water is 6～9 times of high-iron and low-tin mine tailing add-on.
Further, described baking is 100～500 ℃ of bakings 30～120 minutes.
Further, the particle diameter of described particle is 10～30mm.
Further, the temperature of described oven dry is 80～150 ℃.
The invention has the beneficial effects as follows:
Fertilizer prepared by the present invention contains multiple element, can make crop reach optimum growh state, can meet the demand of crop to various elements, thereby improves output and the quality of crop.
Embodiment
Below principle of the present invention and feature are described, example, only for explaining the present invention, is not intended to limit scope of the present invention.
Embodiment 1
Utilize a high-iron and low-tin ore deposit mine tailing composting method, comprising:
1) by the 1:5:4 mixing in mass ratio of high-iron and low-tin ore deposit mine tailing, potassium felspar sand, phosphorous siltstone, be ground into powder, mix, add humic acids and tap water, the add-on of humic acids is 3 times of high-iron and low-tin mine tailing add-on, the add-on of tap water is 9 times of high-iron and low-tin mine tailing add-on, mixes in the rotary kiln that is placed on 300 ℃ and toasts 100 minutes, obtains mixture;
2) by granulating mixture, obtain the particle of 10～30mm, 100 ℃ of oven dry, naturally cooling, packing, make high-iron and low-tin ore deposit mine tailing fertilizer.
Embodiment 2
Utilize a high-iron and low-tin ore deposit mine tailing composting method, comprising:
1) by the 2:1:6 mixing in mass ratio of high-iron and low-tin ore deposit mine tailing, potassium felspar sand, phosphorous siltstone, be ground into powder, mix, add humic acids and tap water, the add-on of humic acids is 2 times of high-iron and low-tin mine tailing add-on, the add-on of tap water is 6 times of high-iron and low-tin mine tailing add-on, mixes to be placed in 500 ℃ of rotary kilns to toast 120 minutes, obtains mixture;
2) by granulating mixture, obtain the particle of 10～30mm, 80 ℃ of oven dry, naturally cooling, packing, make high-iron and low-tin ore deposit mine tailing fertilizer.
Experimental example Test Effect Analysis
Get three experimental plots of waiting 5 mu of sizes, experimental cultivar is wheat, test is established 3 groups altogether, treatment group is executed the high-iron and low-tin ore deposit mine tailing fertilizer of embodiment 1 preparation, contrasting 1 group is not any fertilizer, contrast 2 groups and execute common fertilizer, experiment in triplicate, result shows, the wheat for the treatment of group, according to 1 group of volume increase 50% of contrast, contrasts the wheat of 2 groups according to 1 group of volume increase 20% of contrast, and high-iron and low-tin ore deposit mine tailing fertilizer prepared by visible the present invention can make crop reach optimum growh state, the demand of crop to various elements be can meet, thereby output and the quality of crop improved.
The foregoing is only preferred embodiment of the present invention, in order to limit the present invention, within the spirit and principles in the present invention not all, any modification of doing, be equal to replacement, improvement etc., within all should being included in protection scope of the present invention.
Claims (6)
1. utilize a high-iron and low-tin ore deposit mine tailing composting method, it is characterized in that, comprising:
1) high-iron and low-tin ore deposit mine tailing, potassium felspar sand, phosphorous siltstone are ground into powder, mix, add humic acids and tap water, mix and be placed on rotary kiln baking, obtain mixture;
2), by granulating mixture, the particle oven dry, naturally cooling, the packing that obtain, make high-iron and low-tin ore deposit mine tailing fertilizer.
2. a kind of high-iron and low-tin ore deposit mine tailing composting method of utilizing according to claim 1, is characterized in that, described high-iron and low-tin mine tailing, potassium felspar sand, phosphorous siltstone be (1～3) in mass ratio: (1～5): mix (2～6).
3. a kind of high-iron and low-tin ore deposit mine tailing composting method of utilizing according to claim 1, is characterized in that, the add-on of described humic acids is 1～3 times of high-iron and low-tin mine tailing add-on, and the add-on of described tap water is 6～9 times of high-iron and low-tin mine tailing add-on.
4. a kind of high-iron and low-tin ore deposit mine tailing composting method of utilizing according to claim 1, is characterized in that, described baking is 100～500 ℃ of bakings 30～120 minutes.
5. a kind of high-iron and low-tin ore deposit mine tailing composting method of utilizing according to claim 1, is characterized in that, the particle diameter of described particle is 10～30mm.
6. a kind of high-iron and low-tin ore deposit mine tailing composting method of utilizing according to claim 1, is characterized in that, the temperature of described oven dry is 80～150 ℃.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310696357.3A CN103708884A (en) | 2013-12-16 | 2013-12-16 | Method for preparing fertilizer through high-iron low-tin ore tailings |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310696357.3A CN103708884A (en) | 2013-12-16 | 2013-12-16 | Method for preparing fertilizer through high-iron low-tin ore tailings |
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| CN103708884A true CN103708884A (en) | 2014-04-09 |
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| CN201310696357.3A Pending CN103708884A (en) | 2013-12-16 | 2013-12-16 | Method for preparing fertilizer through high-iron low-tin ore tailings |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104446777A (en) * | 2014-11-20 | 2015-03-25 | 柳州市源晨农副产品有限公司 | Method for preparing organic fertilizer by employing high-iron ore tailings |
| CN105016927A (en) * | 2015-07-31 | 2015-11-04 | 兴安宸亿工贸有限公司 | Method for preparing fertilizer by utilizing high-iron tailing slag |
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| CN101367673A (en) * | 2008-10-30 | 2009-02-18 | 云南省化工研究院 | Method for directly preparing phosphor magnesium fertilizer with by-product mine tailing of phosphorus ore floatation |
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| CN103387434A (en) * | 2012-05-08 | 2013-11-13 | 刘道 | Multi-element complex microelement fertilizer produced through iron ore tailing magnetization |
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2013
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| CN101367673A (en) * | 2008-10-30 | 2009-02-18 | 云南省化工研究院 | Method for directly preparing phosphor magnesium fertilizer with by-product mine tailing of phosphorus ore floatation |
| CN102218431A (en) * | 2010-04-26 | 2011-10-19 | 张夫道 | Harmless processing method for metal tailings |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104446777A (en) * | 2014-11-20 | 2015-03-25 | 柳州市源晨农副产品有限公司 | Method for preparing organic fertilizer by employing high-iron ore tailings |
| CN105016927A (en) * | 2015-07-31 | 2015-11-04 | 兴安宸亿工贸有限公司 | Method for preparing fertilizer by utilizing high-iron tailing slag |
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Application publication date: 20140409 |