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Powdered rock phosphate oxygen-enriched binder

A technology of phosphate rock powder and binder, which is applied in the direction of phosphate material treatment, fertilizer mixture, fertilization device, etc., can solve the problems that the resource advantages are difficult to be effectively utilized and embodied, and the development of phosphorus chemical industry is restricted.

Active Publication Date: 2013-06-19
宣威市恒邦磷化工业有限公司
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Problems solved by technology

Therefore, resource advantages are difficult to be effectively utilized and reflected, which restricts the development of phosphorus chemical industry in this region

Method used

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  • Powdered rock phosphate oxygen-enriched binder

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Embodiment Construction

[0009] The technical solution will be specifically described as an embodiment in conjunction with the accompanying drawings.

[0010] refer to figure 1 , the production of phosphate rock powder oxygen-enriched binder is proportioned, and the raw ore undergoes mechanical mixing-crushing (powdering)-sodium modification (mixed extrusion)-drying-ball milling-cyclone classification filtration-packaging and other technological processes processed. The specific production process is to take 3%-5% of rare earth elements containing copper and barium, 5%-10% of sodium chloride, 5%-10% of calcium chloride, 5%-10% of zinc chloride, and sodium carbonate according to the weight percentage. 5%-10%, Potassium Carbonate 2~11%, crush and mix evenly, add sufficient amount of water and the powdery materials of the aforementioned six kinds of inorganic chemical raw materials and stir evenly to make a medicament with a concentration of 20-45% for later use, and then press the medicament: Montmori...

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Abstract

A powdered rock phosphate oxygen-enriched binder is characterized in that on a weight basis, a drug is prepared by rare earth elements, sodium chloride, calcium chloride, zinc chloride, sodium carbonate, and potassium carbonate; according to a ratio of the drug:montmorillonite=1:2.80-3.60, a finished product is obtained by mixing, curing, drying, ball milling into powder; wherein the drug is obtained by adding sufficient water in 3%-5% of rare earth elements, 5%-10% of sodium chloride, 5%-10% of calcium chloride, 5%-10% of zinc chloride, 5%-10% of sodium carbonate, and 2-11% of potassium carbonate, and dissolving to obtain liquid with a concentration of 20-45%. The invention is applicable to the bonding of single-element or multi-element ore powder such as powdered rock phosphate, serpentine powder, iron ore powder, manganese ore powder and the like, facilitates pelletization, granulation, and air permeability improvement of material layers, and can increase the heat transfer rate andthe sintering speed; the calcining process of pellets prepared by adding the binder saves fuel by more than 30% per ton product when compared with a crude sintering method; and the P2O5 content is increased by 0.5%-1% when compared with the content of original ore powder.

Description

technical field [0001] The invention relates to a phosphate rock powder oxygen-enriched binder. Background technique [0002] Phosphate ore resources in eastern Yunnan are very rich, but more than 98% of them are medium and low-grade high-magnesium weathered silici-calcium phosphate rocks (collophosphine) that are difficult to be directly utilized. Due to the low grade of such phosphate rocks (average P 2 o 5 21%), high magnesium content (MgO > 2%), high powder ore rate (generally above 47%), fine phosphorus mineral particles in the ore, closely embedded, and must be enriched by flotation and sintered to make high Grade phosphate rock agglomerates can meet the needs of thermal phosphorus chemical (fertilizer) production. Therefore, resource advantages are difficult to be effectively utilized and reflected, which restricts the development of phosphorus chemical industry in this region. How to make these phosphate rock resources meet the grade and particle size require...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): C01B25/01C05G1/00
Inventor 杨志敏蔡昌礼
Owner 宣威市恒邦磷化工业有限公司
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