In terms of process, testers are paying more and more attention to the combination of re-election process and other processes, such as magnetic separation and flotation process.
To solve a tin ore beneficiation plant tailings spiral chute preconcentration of tin metal issues large loss rate, equalization Xue Ye who used instead of sawtooth jig spiral chute, showed further improved results reselection preselected rate and tailing Reducing the metal loss rate of the preselected -0.074mm grain size has a significant effect. Wang Meijiao and others mainly introduced the selection of the double-chamber jig to replace the spiral chute in the concentrator of the Phoenix Mining Branch, the experimental study of high-density fine-grained ore and its application and effect in production. Luo Xiaoqi et al. chute grade - matching grinding process, experimental study Lilou mirror iron ore, concentrate can first get a part in a roughing conditions, and improve the efficiency of mineral processing. Chen Guoqing introduced the introduction of a spiral chute in the nickel sulfide beneficiation tailings for re-election, which can effectively reduce the tailings nickel grade and improve the mineral processing technical indicators.
Zeng wavelet, who used a rough election, a sweeping election, shaker re-election process, southwest of ore containing SrS04 36.15% of a sedimentary - reworked low-grade strontium ore processed, the results showed that: available grade SrS0478.15% The recovery rate of 80.90% of antimony concentrate. Zeng Qing, Mao and others on a high content of lead oxide, lead ore alum carried out a single a double, a single spiral chute, a single flotation and flotation - re-election shaker explore comparative test four kinds of processes, determine a single shaker re-election process is A more reasonable lead-selection process, after the original ore is selected by shaker re-election, a lead concentrate with a yield of 5.26%, a lead content of 42.50%, and a recovery rate of 64.43% can be obtained. Bian Ying et al. studied the grinding fineness of a stone coal vanadium mine in Hubei and the technical parameters of the shaker re-election process. Under the condition that the grinding fineness is -0.074mm and 63%, the process technology determined by experiment is determined. The parameters are processed by one rough selection, one sweep, and shaker re-election process, which can throw tailings with a yield of 12.99% and a V2O5 grade of 0.21%, thereby significantly reducing the acid consumption and production cost of the leaching. Yan Wu et al to cover a silicon-aluminum ratio of about 3 Henan low grade bauxite study, by shaking sorting, sorting interference shaker, the reselection test the feasibility of low grade bauxite the study. Liu Meihua et al. used the three different re-election equipments of spiral chute, jig and shaker to conduct tailing test research on the characteristics of a certain tin mine. Fan Haibao et al. conducted a rock selection test on an iron ore sorting tailings. A spiral chute-shaker combined process was used to obtain concentrate products with a grade of 38.26% and a yield of 3.95%. Li Wenjun and others used a shaker re-election process to conduct a test on a chrome ore in the Philippines containing 23.47% of Cr203. The final selection index was 57.19% for concentrate, 37.46% for Cr203, and 88.78% for recovery.
RG Richard introduced the application of Kelsey centrifugal jig in the recovery of fine-grained minerals. The key application areas include the separation of ore, tin, gold and nickel. Other applications include iron ore and base metals. , chromite, platinum group metals and scheelite ore and the like. Wu Junjie used the Nielsen concentrator to re-select the gold for the ore nature of a gold mine in Shaanxi Province. Li Hua used SLon centrifugal concentrator to conduct a selective effect test on fine-grained hematite. The results show that SLon centrifugal concentrator can greatly improve the recovery index of fine-grain hematite. Shi Fengye and others introduced a foreign advanced re-election process equipment - Nielsen concentrator instead of amalgamation process, used for the renovation and expansion project of Jintan Mining Company. The whole process design was optimized and improved, and achieved good economic and social benefits. .
Wang Canxia used a new disc-type film concentrator to conduct a beneficiation test on the selected tin tailings in Fenghuangshan, Guangxi. After one sorting, a tin concentrate with a grade of 1.34% and a recovery of 46.97% was obtained. Qin Guanglin used a suspended cone cone concentrator to conduct industrial test research on the fine mud tin tailings in Dachang, Guangxi, and effectively recovered the target minerals in the tailings. Gan Fengrui used the Dahongshan shaker iron tailings in Yunnan as the research object and treated it with a suspension cone cone concentrator. The results show that the equipment has obvious advantages in fine particle re-election.
G.Ofori-Sarpong et al. conducted a grinding test on a gold mine under different grinding equipment , and then used a centrifugal concentrator for re-election and enrichment. Experimental studies have shown that there are some differences in the re-election ratio of different grinding products. AK Mukherjee et al. improved the grade of iron concentrate by jigging test, and discussed the sorting behavior of particles with different particle sizes and densities in the equipment. The research shows that the stage affecting the sorting efficiency is the fluidized bed stage of the mineral, which is optimized by jumping. The speed of the literate water flow can improve the sorting efficiency of the jigging. Daniel Amariei et al. used a countercurrent sorter to recover fine-grained iron ore for the first time and obtained good sorting indicators. M. Greenwood et al. used a dry Nielsen centrifuge to conduct a beneficiation test on a raw ore containing 1% WO3.
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