CN103724101A - Caustic slag carrier for a slow release compound fertilizer and preparation method of caustic slag carrier - Google Patents
Caustic slag carrier for a slow release compound fertilizer and preparation method of caustic slag carrier Download PDFInfo
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- CN103724101A CN103724101A CN201310616405.3A CN201310616405A CN103724101A CN 103724101 A CN103724101 A CN 103724101A CN 201310616405 A CN201310616405 A CN 201310616405A CN 103724101 A CN103724101 A CN 103724101A
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Abstract
The invention relates to a caustic slag carrier for a slow release compound fertilizer. The carrier comprises the following materials by weight: 70-80 parts of coal ash, 5-10 parts of sodium carbonate, 3-8 parts of limestone, and 10-20 parts of charcoal. The invention further provides a preparation method of the caustic slag carrier. The preparation method comprises the following steps: putting 70-80 parts of blast furnace slag and the 3-8 parts of limestone into a crusher to crush the materials into powder; adding the powder, the 10-20 parts of charcoal and the 5-10 parts of sodium carbonate into water and stirring, and putting the mixture into a pelletizer for pelleting and drying to obtain the caustic slag carrier. The caustic slag carrier and the preparation method have the advantages that the process is simple; the production period is short; the caustic slag carrier is nontoxic to soil; the pH and hardening condition of the soil can be improved.
Description
Technical field
The present invention relates to a kind of fertilizer, particularly a kind of basic slag slow-release compound fertilizer carrier and preparation method thereof.
Background technology
CN102850110A as open in Chinese patent, disclose a kind of carrier of wetting ability slow-release fertilizer, comprised 0.5～2 part of 10～60 parts of 0～100 part of 10～90 parts of wood powders, starch, vinylformic acid or derivatives thereofs, polymerisation catalysts, 1～20 part of the chainextender of weight part.The invention also discloses slow-release fertilizer of this carrier of application and preparation method thereof.This preparation method comprises: in reaction vessel, add in proportion wood powder, starch, additive, catalyzer and chainextender, by 0.01～0.2 times of added raw material cumulative volume, add water, at 40～90 ℃ of temperature, stir 0.5～4h, obtain gel carrier; 2) by step 1) to put into mass concentration be that the aqueous solution of 1～90% chemical fertilizer soaks 1～10 day to gained carrier, obtains product.
But the raw materials cost such as above-mentioned employing starch are high, adopt a large amount of organic chemicals to have toxicity to soil simultaneously, are not suitable for spread and use.
Summary of the invention
In order to solve existing slow-release fertilizer, adopt the raw materials cost such as starch high, adopt a large amount of organic chemicals to there is toxicity to soil simultaneously, be not suitable for the shortcoming that spread is used, the invention provides a kind of basic slag slow-release compound fertilizer carrier and preparation method thereof.
The technical solution adopted for the present invention to solve the technical problems is: a kind of basic slag slow-release compound fertilizer carrier, its component, in weight fraction, comprises 70-80 part flyash, 5-10 part sodium carbonate, 3-8 part Wingdale, 10-20 part charcoal.
A preparation method for basic slag slow-release compound fertilizer carrier, is characterized in that, preparation process is as follows:
(1) 70-80 part blast furnace slag and 3-8 part Wingdale are added and in pulverizer, be ground into powder;
(2) the above-mentioned powder making and 10-20 part charcoal and 5-10 part sodium carbonate are added to the water after adding granulator granulation dry after stirring and obtain basic slag slow-release compound fertilizer carrier.
The invention has the beneficial effects as follows: technique is simple, with short production cycle, all soil nontoxicity, can improve P in soil H simultaneously, improves soil compaction situation.
Embodiment
To describe the present invention in detail with specific embodiment below, illustrative examples wherein and explanation are only used for explaining the present invention, but not as a limitation of the invention.
Embodiment 1, and 70 parts of blast furnace slags and 3 parts of Wingdales are added and in pulverizer, be ground into powder; The above-mentioned powder making and 10 parts of charcoals and 5 parts of sodium carbonate are added to the water after adding granulator granulation dry after stirring and obtain basic slag slow-release compound fertilizer carrier.
Embodiment 2, and 80 parts of blast furnace slags and 8 parts of Wingdales are added and in pulverizer, be ground into powder; The above-mentioned powder making and 20 parts of charcoals and 10 parts of sodium carbonate are added to the water after adding granulator granulation dry after stirring and obtain basic slag slow-release compound fertilizer carrier.
Embodiment 3, and 75 parts of blast furnace slags and 6 parts of Wingdales are added and in pulverizer, be ground into powder; The above-mentioned powder making and 18 parts of charcoals and 7 parts of sodium carbonate are added to the water after adding granulator granulation dry after stirring and obtain basic slag slow-release compound fertilizer carrier.
The foregoing is only embodiments of the invention; not thereby limit the scope of the claims of the present invention; every equivalent structure or conversion of equivalent flow process that utilizes description of the present invention to do; or be directly or indirectly used in other relevant technical fields, be all in like manner included in scope of patent protection of the present invention.
Claims (2)
1. a basic slag slow-release compound fertilizer carrier, is characterized in that, its component, in weight fraction, comprises 70-80 part flyash, 5-10 part sodium carbonate, 3-8 part Wingdale, 10-20 part charcoal.
2. a preparation method for basic slag slow-release compound fertilizer carrier, is characterized in that, preparation process is as follows: 70-80 part blast furnace slag and 3-8 part Wingdale are added and in pulverizer, be ground into powder; The above-mentioned powder making and 10-20 part charcoal and 5-10 part sodium carbonate are added to the water after adding granulator granulation dry after stirring and obtain basic slag slow-release compound fertilizer carrier.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310616405.3A CN103724101A (en) | 2013-11-29 | 2013-11-29 | Caustic slag carrier for a slow release compound fertilizer and preparation method of caustic slag carrier |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310616405.3A CN103724101A (en) | 2013-11-29 | 2013-11-29 | Caustic slag carrier for a slow release compound fertilizer and preparation method of caustic slag carrier |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN103724101A true CN103724101A (en) | 2014-04-16 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201310616405.3A Pending CN103724101A (en) | 2013-11-29 | 2013-11-29 | Caustic slag carrier for a slow release compound fertilizer and preparation method of caustic slag carrier |
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| CN (1) | CN103724101A (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104788160A (en) * | 2015-04-15 | 2015-07-22 | 芜湖市丹洋现代农业科技发展有限公司 | Nourishing essence for promoting growth of oil-used peonies and preparation method of nourishing essence |
| CN105819960A (en) * | 2016-03-21 | 2016-08-03 | 新疆中合大正商贸有限公司 | Technology utilizing steel slag and city domestic sludge to produce sustained-release silicon fertilizer |
| CN108093724A (en) * | 2017-12-18 | 2018-06-01 | 攀枝花环业冶金渣开发有限责任公司 | A kind of method using the swollen pearl improvement soil of high-titanium blast furnace slag |
-
2013
- 2013-11-29 CN CN201310616405.3A patent/CN103724101A/en active Pending
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104788160A (en) * | 2015-04-15 | 2015-07-22 | 芜湖市丹洋现代农业科技发展有限公司 | Nourishing essence for promoting growth of oil-used peonies and preparation method of nourishing essence |
| CN105819960A (en) * | 2016-03-21 | 2016-08-03 | 新疆中合大正商贸有限公司 | Technology utilizing steel slag and city domestic sludge to produce sustained-release silicon fertilizer |
| CN108093724A (en) * | 2017-12-18 | 2018-06-01 | 攀枝花环业冶金渣开发有限责任公司 | A kind of method using the swollen pearl improvement soil of high-titanium blast furnace slag |
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| C06 | Publication | ||
| PB01 | Publication | ||
| WD01 | Invention patent application deemed withdrawn after publication |
Application publication date: 20140416 |