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Method for reclaiming valuable mineral from concentrated tailings of stannum-contained multi-metal sulphide ore

A multi-metal and sulfide ore technology, applied in the fields of zinc, arsenic, lead-antimony, reclaimed tin, and sulfur, can solve the problems of undeveloped utilization, achieve good economic benefits, and eliminate hidden dangers of environmental pollution

Inactive Publication Date: 2006-07-12
KUNMING UNIV OF SCI & TECH
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

Gravity separation-flotation open circuit test shows that tin concentrate contains 61.88% tin, 0.51% sulfur, and 0.138% arsenic; the grade of sulfur concentrate is 47.48%, contains 0.233% tin, and 4.63% arsenic Arsenic exceeds the national standard by a lot, and it has not been developed and utilized so far

Method used

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  • Method for reclaiming valuable mineral from concentrated tailings of stannum-contained multi-metal sulphide ore

Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0022] Embodiment 1: The raw material is the tailings of the dressing plant of Dachang Mining Bureau, and its composition weight percentage is 0.3%-0.57% of tin, 0.27%-0.4% of lead, 0.15%-0.21% of antimony, 2.44%-3.27% of zinc, Sulfur 5.7%-9.53%, arsenic 0.87%-1.24%;

[0023] Use a sieve to divide the raw materials into two grades of -3+0.45mm and -0.45mm, use a dynamic sieve jig to sort and throw tails at -3+0.45mm, and use a spiral chute to sort and throw tails at -0.45mm, which can discard the yield It is 46.66% tailings, which improves the selection grade. After the tailings are thrown, the coarse concentrate particle size is -3+0mm, all of which are put into the ball mill for grinding. Sodium and lime 2:1 to adjust the slurry pH to 11, add zinc sulfate 450g / t, potassium cyanide 120g / t, sodium hypocyanate 150g / t to inhibit zinc minerals, then add 25# black medicine 120g / t, B Sulfur nitrogen 100g / t is used as a collector for lead and antimony, and foaming agent 2# oil 40g / ...

Embodiment 2

[0028] Example 2: The raw material is cassiterite polymetallic sulfide ore dressing tailings from Changpo Mineral Concentrator of Guangxi Huaxi Group, and the weight percentage of raw material components is Sn 0.57%, Pb 0.22%, Zn 3.27%, Sb 0.15%, S 5.70% , As 0.87%, SiO 2 40.95%, Fe 10.62%, CaO 13.18%, Al 2 o 3 5.60%, Mg 1.50%;

[0029] Use a sieve to screen the tailings into -3+0.45mm and -0.45 two grades, use a dynamic sieve jig to sort and throw tails at -3+0.45mm, and use a spiral chute to sort and throw tails at -0.45mm, which can be discarded The tailings with a rate of 41.74% have improved the selected grade;

[0030] After discarding the tailings, the particle size of the coarse ore concentrate is -3+0mm, all of which are put into the grinding machine, using appropriate ball diameter and reasonable ball diameter ratio, precise ball diameter, and reasonable force for selective grinding. The grinding particle size is - 200 mesh accounts for 94.4% into flotation;

[...

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Abstract

The invention relates to a method for recovering tin, antimonial lead, zinc, sulfur and arsenic from the selected tailings of tin multi-metal sulphide ore, belonging to the ore processing technique. The invention utilizes a multi-force integration between movable-sieve jig, ion spiral chute, and shaker; and a integration medicament in the floatation to generate cooperation effect for recovering the minerals in the tailings of tin multi-metal sulphide ore to attain finished ores as tin, antimonial lead, zinc, sulfur and arsenic. Compared to the method which only recovers one mineral, it has better economic benefit. And the tailing yard can be treated for growing tree to eliminate the hidden trouble of environment pollution.

Description

[0001] 1. Technical field: The present invention relates to a method for recovering tin, lead, antimony, zinc, sulfur and arsenic from tin-containing polymetallic sulfide ore dressing tailings. It belongs to the field of mineral processing engineering. 2. Background technology: [0002] my country is one of the countries rich in tin resources. Cassiterite polymetallic sulfide ore accounts for a large proportion of the proven tin ore reserves in my country. The Changpo Separation Bureau of Dachang Mining Bureau of my country Huaxi Group Co., Ltd. Plant, Bari Concentrator, Chehe Concentrator, Guangxi Limu Tin Mine, Yunxi Datun Concentration Plant Sulfide Ore Workshop, Yunlong Tin Concentration Plant, Xianghualing Tin Mine, Sichuan Chahe Tin Concentration Plant, etc.; Huierjian Concentrator; Shenzi Tobacco Concentrator in Japan; Hrustalininsk Mining and Concentration Company in the former Soviet Union 1 # Concentrators; Bolivia's Julqueri Concentrator; Malaysia's Batres Concentrat...

Claims

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Application Information

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IPC IPC(8): B03B7/00B03D1/02B03D1/002B03D1/004B03B5/04B03B5/10B03B5/62B03D101/06B03D101/02B03D101/04
Inventor 张宗华高利坤周平张桂芳
Owner KUNMING UNIV OF SCI & TECH
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