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Jul 01, 2012· Surface mining operation units: Drilling and Blasting / Ил уурхайн процессууд: Өрөмдлөг, тэсэлгээ Drilling The term drilling is used for smaller diameter holes, with a few exceptions such as shaft drilling and raise drilling, where larger excavations are created by special machines including ...
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Өдгөө ил уурхайд 560 орчим хүн ажиллаж өдөрт 100 мянган тонн хүдэр олборлон гаргаж байна. 15 метр өндөртэй доголуудыг 40 м өргөн замаар холбох бөгөөд үүгээр 290 тоннын даацтай өөрөө буулгагч машинууд хөрс, хүдрийг анхдагч бутлуур, эсвэл овоолго руу ангилан тээвэрлэнэ. 1. Өрөмдөх Тэсрэх бодисыг хийх нүхнүүдийг өрөмдөнө. 2. Тэслэх 3. …
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