[打印] [关闭] 发布时间:[2010-01-11 00:00]
在拉脱维亚的生产建筑材料sauriesi ,此种原材料的主要来源,石膏采石场几公里之远。采用爆破的方式进行自由开采的采矿方式。为了减少爆破对环境的影响,那么在开始在采石场开采时使用挖掘机所配备的阿特拉斯 HB 7000 DP 断路器。爆破式的自由开采已经成为数据挖掘,其日常生产的主要方式方法已经达到了目标水平。
爆破式自由开采是一个产业链的物流中心,所有的链接都需要紧密的联系起来,形成一个规范化的产业链。我们为了有效的减少在进行爆破工作时对于环境的影响,逐渐的使用一种可替代的自由开采爆破新方式。
刚开始生产本断路器的目的是支持生产在采石场,用于各个地区靠近边界位置。依据前三个月的爆破式,自由开采数据分析来看,爆破自由开采将成为主要的方法。阿特拉斯 HB 7000 DP 断路器单元运行在两个班次,预计一天的运作时间在15个小时左右。每天1100吨的目标达成薄薄的一层脆皮石,在该采石场科学、高效的运用爆破自由开采是最为理想的方式。
阿特拉斯的新一代重型断路器,需要从载体较少的液压输入。于此同时又,保持最大限度的冲击性能。在可耐福石膏采石场与HB 7000 DP断路器附件的挖掘机高效作业,每日平均产量已达到1100吨的目标。
Blast-free mining meets production targets in Latvia
Knauf Latvia produces construction materials in Sauriesi near Riga, the capital of Latvia. The main source of raw material is the company’s gypsum quarry a few kilometers away. Blasting was used as main mining method. To decrease blasting impacts on environment around the quarry for its mining operations the company is now using an excavator equipped with an Atlas Copco HB 7000 DP breaker. Although new to the operators, blast-free mining has become the main method at the site and the daily production of the breaker unit has already reached the target level.
Blast-free mining is a chain of logistics in which all the links must fit together.At the beginning excavation was carried out by drilling and blasting. However, to decrease blasting impacts on environment, Knauf began looking at blast-free mining as an alternative. The company invested in a Liebherr R974 excavator equipped with an Atlas Copco HB 7000 DP breaker and the unit started production at the end of January.
Jump start for production.Originally the breaker was intended to support production in the quarry and to be used in areas closer to deposit borders and residents. After the experiences of the first three months, blast-free mining has become the main method. The breaker unit runs in two shifts about 15 hours a day. 1100 tons per day target reached.
Brittle stones on a thin layer are ideal for blast-free mining.Atlas Copco’s latest generation of heavy breakers requires less hydraulic input from the carrier while maintaining maximum impact performance. At the Knauf gypsum quarry the average production of the excavator with the HB 7000 DP breaker attachment has already reached the target of about 1100 tons per day.
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