CN103724096A - Ore slow release compound fertilizer and preparation method thereof - Google Patents

Ore slow release compound fertilizer and preparation method thereof Download PDF

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Publication number
CN103724096A
CN103724096A CN201310614443.5A CN201310614443A CN103724096A CN 103724096 A CN103724096 A CN 103724096A CN 201310614443 A CN201310614443 A CN 201310614443A CN 103724096 A CN103724096 A CN 103724096A
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CN
China
Prior art keywords
compound fertilizer
ore
parts
preparation
slow release
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Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Pending
Application number
CN201310614443.5A
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Chinese (zh)
Inventor
孟繁茂
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
SUZHOU GU NEGATIVE CARBON MATERIAL TECHNOLOGY Co Ltd
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SUZHOU GU NEGATIVE CARBON MATERIAL TECHNOLOGY Co Ltd
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
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Publication date
Application filed by SUZHOU GU NEGATIVE CARBON MATERIAL TECHNOLOGY Co Ltd filed Critical SUZHOU GU NEGATIVE CARBON MATERIAL TECHNOLOGY Co Ltd
Priority to CN201310614443.5A priority Critical patent/CN103724096A/en
Publication of CN103724096A publication Critical patent/CN103724096A/en
Pending legal-status Critical Current

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Abstract

The invention relates to an ore slow release compound fertilizer which comprises the following ingredients in parts by weight: 60 to 80 parts of coal ash, 3 to 8 parts of iron tailing ore, and 30 to 40 parts of a compound fertilizer. The invention further relates to a preparation method of the ore slow release compound fertilizer. The preparation method comprises the following steps: crushing the 60 to 80 parts of coal ash and the 3 to 8 parts of iron tailing ore into powder by a crusher, and magnetizing the powder in a magnetic field; adding the magnetized powder into water and performing stirring; granulating the 30 to 40 parts of the compound fertilizer; spraying the stirred liquid onto the compound fertilizer granules, coating the compound fertilizer granules, and drying the coated compound fertilizer granules to obtain the ore slow release compound fertilizer. The ore slow release compound fertilizer and the preparation method have the advantages that the process is simple; the production period is short; the raw materials are wide in source; the equipment requirement is low.

Description

A kind of ore in sand form slow-release compound fertilizer and preparation method thereof
Technical field
The present invention relates to a kind of fertilizer, particularly a kind of ore in sand form slow-release compound fertilizer and preparation method thereof.
Background technology
At present, known composite fertilizer is in a kind of chemical fertilizer, contains two kinds and two or more fertilizer in nitrogen, phosphorus, potassium three elements.Composite fertilizer has that nutrient content is high, minor component is few and the advantage such as physical behavior is good.Composite fertilizer's fertilizer efficiency is long, is fit to do base manure, decomposes slowlyer, when sowing is made to the crop of base fertilizer of composite fertilizer, because Different Crop ground regulation of fertilizer requirement needs to supplement in time instant nitrogenousfertilizer when topdressing, to meet crop alimentary needs.But long-time field test shows with result of study, the nutrients ratio of composite fertilizer is always fixed, and different soils, required nutritive element kind, quantity and the ratio of Different Crop are various.For happiness phosphorus, potassium, need the farm crop of nitrogen, the needs that the content of composite fertilizer's nitrogen is on the low side cannot meet farm crop also needs topdress again, i.e. expensive not only effort but also time-consuming.After being manured into soil, only have the utilization absorbed by crops of 30%-50% energy, rest part has lost in vain.Arable soil is seriously polluted by heavy metal, fertilizer damage at present; Soil generally lacks organic matter, middle trace element; More than 50% nitrogen loss; Continuous cropping kind plant, causes soil-borne disease to increase the weight of; Soil fertility declines, and productivity declines.
Now also there is relevant design, CN102180734A as open in Chinese patent, a kind of polymer emulsion coated slow release fertilizer take nano material as carrier, nanometer soil material after treatment, proper fermentation bacterium slag after treatment and nutrient raw material are evenly mixed, then in this compound, add and be furnished with the organosilicon-modified acrylate emulsion of linking agent and mix, being prepared into a kind of surface has the polymer emulsion coated slow release fertilizer take nano material as carrier of hydrophobic film.
But above-mentioned employing acrylate is high as its difficult degraded of slow-release fertilizer dressing and cost.
Summary of the invention
In order to solve existing slow-release fertilizer, adopt acrylate as slow-release fertilizer dressing its difficult degraded and the high shortcoming of cost, the invention provides a kind of ore in sand form slow-release compound fertilizer and preparation method thereof.
The technical solution adopted for the present invention to solve the technical problems is: a kind of ore in sand form slow-release compound fertilizer, its component, in weight fraction, comprises 60-80 part flyash, 3-8 part iron tailings ore in sand form, 30-40 part composite fertilizer.
A preparation method for ore in sand form slow-release compound fertilizer, preparation process is as follows:
(1) 60-80 part flyash and 3-8 part iron tailings ore in sand form are added and in pulverizer, be ground into Powdered and magnetize in magnetic field;
(2) the above-mentioned powder making is added to the water to stirring;
(3) by 30-40 part compound fertilizer granulating;
(4) by the liquid spraying being stirred to compound fertilizer granules and compound fertilizer granules is wrapped to oven dry make required ore in sand form slow-release compound fertilizer.
The invention has the beneficial effects as follows: technique is simple, with short production cycle, the wide equipment requirements of raw material sources is low.
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, adds 60 parts of flyash and 10 parts of 3 parts of iron tailings ores in sand form in pulverizer, to be ground into Powdered and to magnetize in magnetic field; The above-mentioned powder making is added to the water to stirring; By 30 parts of compound fertilizer granulatings; By the liquid spraying being stirred to compound fertilizer granules and compound fertilizer granules is wrapped to oven dry make required ore in sand form slow-release compound fertilizer.
Embodiment 2, adds 80 parts of flyash and 8 parts of iron tailings ores in sand form in pulverizer, to be ground into Powdered and to magnetize in magnetic field; The above-mentioned powder making is added to the water to stirring; By 40 parts of compound fertilizer granulatings; By the liquid spraying being stirred to compound fertilizer granules and compound fertilizer granules is wrapped to oven dry make required ore in sand form slow-release compound fertilizer.
Embodiment 3, adds 70 parts of flyash and 6 parts of iron tailings ores in sand form in pulverizer, to be ground into Powdered and to magnetize in magnetic field; The above-mentioned powder making is added to the water to stirring; By 35 parts of compound fertilizer granulatings; By the liquid spraying being stirred to compound fertilizer granules and compound fertilizer granules is wrapped to oven dry make required ore in sand form slow-release compound fertilizer.
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. an ore in sand form slow-release compound fertilizer, is characterized in that, its component, in weight fraction, comprises 60-80 part flyash, 3-8 part iron tailings ore in sand form, 30-40 part composite fertilizer.
2. a preparation method for ore in sand form slow-release compound fertilizer, is characterized in that, preparation process is as follows: 60-80 part flyash and 3-8 part iron tailings ore in sand form are added and in pulverizer, be ground into Powdered and magnetize in magnetic field; The above-mentioned powder making is added to the water to stirring; By 30-40 part compound fertilizer granulating; By the liquid spraying being stirred to compound fertilizer granules and compound fertilizer granules is wrapped to oven dry make required ore in sand form slow-release compound fertilizer.
CN201310614443.5A 2013-11-28 2013-11-28 Ore slow release compound fertilizer and preparation method thereof Pending CN103724096A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201310614443.5A CN103724096A (en) 2013-11-28 2013-11-28 Ore slow release compound fertilizer and preparation method thereof

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN201310614443.5A CN103724096A (en) 2013-11-28 2013-11-28 Ore slow release compound fertilizer and preparation method thereof

Publications (1)

Publication Number Publication Date
CN103724096A true CN103724096A (en) 2014-04-16

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Country Status (1)

Country Link
CN (1) CN103724096A (en)

Cited By (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN105110850A (en) * 2015-08-12 2015-12-02 舒城县文禾种植专业合作社 Special wheat fertilizer for hilly area soil testing and fertilizer recommendation
CN105110915A (en) * 2015-08-12 2015-12-02 舒城县文禾种植专业合作社 Special rice fertilizer for farmland area soil testing and fertilizer recommendation
CN106187476A (en) * 2016-07-11 2016-12-07 安徽金蓼复合磁化肥有限公司 A kind of Semen Tritici aestivi special slow release magnetic compound fertiliser material and preparation method thereof
CN106187587A (en) * 2016-07-11 2016-12-07 安徽金蓼复合磁化肥有限公司 A kind of rapeseed cultivation slow release magnetic compound fertiliser material and preparation method thereof
CN109796982A (en) * 2019-01-31 2019-05-24 河北工业大学 A kind of soil remediation stabilizer and its preparation method and application prepared by high iron tailings

Cited By (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN105110850A (en) * 2015-08-12 2015-12-02 舒城县文禾种植专业合作社 Special wheat fertilizer for hilly area soil testing and fertilizer recommendation
CN105110915A (en) * 2015-08-12 2015-12-02 舒城县文禾种植专业合作社 Special rice fertilizer for farmland area soil testing and fertilizer recommendation
CN106187476A (en) * 2016-07-11 2016-12-07 安徽金蓼复合磁化肥有限公司 A kind of Semen Tritici aestivi special slow release magnetic compound fertiliser material and preparation method thereof
CN106187587A (en) * 2016-07-11 2016-12-07 安徽金蓼复合磁化肥有限公司 A kind of rapeseed cultivation slow release magnetic compound fertiliser material and preparation method thereof
CN109796982A (en) * 2019-01-31 2019-05-24 河北工业大学 A kind of soil remediation stabilizer and its preparation method and application prepared by high iron tailings

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Application publication date: 20140416