Jinling Mining iron ore resources development and

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Jinling Mining iron ore resources in the idea of the Features and Development

Have been proved to have good economic and social benefits. On this basis, should be based on the characteristics and mineral resources development and utilization of the existing problems, carry out some further studies and research. Such as increasing the iron, copper, cobalt, sulfur and other elements of the recovery process, associated elements of gold, silver recovery methods, mill tailings production of construction materials, utilization of groundwater resources and so on. These are the urgent need to address the production issues. Can be seen that the prospects for comprehensive utilization of mineral resources are vast, it will certainly have a multiplier effect. 3.8 Optimization of the mining process is not renewable resources, adopt a little on a little less. Therefore, people in the development and utilization of mineral resources, it should be treasured. Mining of iron ore resources of gold sinica follow over the exploitation of a comprehensive law, shallow hole Shrinkage method, sub-stage of stope drilling method, sublevel caving method. The first two only gently inclined thin ore veins room used for individual final in a very thick veins and fall of the ore body to allow use of the surface} Sublevel stage pit mining stope method is the primary mining method. Long-term practice shows that the lower recovery mining method, to meet the national requirements for recovery of iron ore resources. Thus, in the coming period, the optimization of the mining process. Improve resource recovery as an important technical issues should be task. From the Geological and hydro-geological situation of and carry out a number of high-strength combination of mining methods and Experimental study of mining methods. And focus on the promotion of efficient (continued on page 56) cassette and construction of mine I Shu Gan 3t 1997 price of a 684t} media by 200 yuan / t total, the value of saving media: A2-684tX200 yuan / t = l3.68 million per c. Power consumption of large size jig Motor Power 7.5 +0.75-8.25 kW, vibrating chute 7.5kW, to the mining belt, from medium sieve, 6PNJ pump power the same. Large size jig working hours throughout the year: 4o million t ÷ 70t / h = 5714h} more power than the vibration of the chute: 5714h × 0.75kW a 4285.5kW ・ h; more energy charge j. A3-0.4 元 / l 【W ・ hX4285.5kW ・ h of a 1714 yuan 'd. Large-grained water and vibration jig the same chute. e, maintenance costs, maintenance costs concentrated cone fighting 5,000 years, plus media, labor costs 4,500 yuan / a, other maintenance costs are similar, so any size jig vibrating chute to reduce maintenance costs than jA4-9500 元 f. The total effective A-A1-FA2 an A3-FA. = 172.8-F13.68-0.17 +0.95-187.26 million or application of large effective size of the jig up to 1,872,600 yuan 5 Conclusion 5.1 to ensure that the mine size is not more than 75mm under the conditions of application of large-grained type YMT a jump of 75 light machine sorting of dry magnetic tailings Meishan is feasible, the benefits produced 1.8726 million yuan each year. When the feed grade of 5.2 3O. 7, 70t capacity in Taiwan, when the case may concentrate grade of 39.38, 18.64 grade tailings, iron recovery of 75.59, better than the vibration chute sorting index. 5.3 The large-grained effect of the jig is a good cast end equipment for pre-operation, simple operation, stability indicator, without increasing the advantages of agents, reduce labor intensity, should consider organizing equipment identification, application. 5.4 Large size jigger of mineral separation device is a key component indicators, the manufacturer should be explored further improved to meet the requirements of continuous operation of industrial production. 5.5 Large size triangular jig drive belt and replace with the sieve bed is not convenient, manufacturers should consider the maintenance requirements. Received 1997-01 09 concerted efforts of the German strong base on the i Meishan Group (Nanjing) Co., Ltd. processing plant mineral mining engineer. Zip; 210041 (I-continued on page 47) mining equipment and auxiliary equipment, underground blasting technology, computer network and modern scientific management methods, mining of iron ore resources to further enhance the comprehensive development and utilization of capacity. In a word, development and utilization of resources is to improve the Jinling Iron Ore Mine ore self-sufficiency rate in the province to ease the contradiction between supply and demand in an important way of ore. The development and use of work should be to create a new, expansion of new mining-based, supplemented by improved method techniques, actively raise funds. And to take technical, economic, management, the combination of comprehensive measures to accelerate the construction of mining resources development, improve resource utilization level of the underground resources of the country as soon as possible the valuable benefit of mankind. Received 30 of mortar on the 1996-12 * Peter Woo Wei, Shan Jing Province, Heze mine management to do a senior engineer. Zip Code: 274020
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