تلتزم الشركة دائمًا بمعدات سحق التعدين ومعدات صنع الرمل ومعدات الطحن الصناعية، وتوفير حلول عالية الجودة للرمل والحصى ومجموعات كاملة من المعدات للمشاريع الهندسية واسعة النطاق مثل الطرق السريعة والسكك الحديدية والمياه والكهرباء، إلخ. ، وتسعى جاهدة لممارسة التصنيع الدقيق المحلي والتخطيط العلمي العالمي، مع اعتبار آسيا المنطقة النائية والعملاء المشعين حول العالم. بعد أكثر من 30 عامًا من التطوير، نجحت العديد من منتجات الشركة في اجتياز العديد من شهادات الجودة الدولية مثل الشهادة الدولية ISO9001:2015، وشهادة الاتحاد الأوروبي CE، وشهادة GOST الروسية. بعد ذلك، في السعي لتحقيق التميز، سنستمر في استخدام منتجات عالية الجودة والتكنولوجيا الاحترافية والخدمات المخلصة لمساعدة العملاء على خلق قيمة أكبر، واستخدام الإجراءات العملية لمواصلة تعزيز البناء البيئي للحضارة الإنسانية.
·Mining and construction sites experience ecological consequences such as ground vibrations and fly rock owing to blasting activities Apart from the traditional techniques it is critical to determine the design parameters of a blast which influence the ground vibrations created by the blasting activities and to mitigate the effects of ground
McCallum Rock Drilling is a family owned and operated full service rock drilling and blasting contractor that has been performing precision drilling and blasting in highly controlled environments since its inception in 1988
·in a quarry The plants are characterised by low maintenance operation and high availability They impress both in individual operation as well as in linked mode The possibility of operating both machines in a group per line coupling and therefore Crushing large piece of rocks production of precise grain sizes and shapes efficient use
·Wherever possible any inspection of the crushing cavity of a jaw crusher should be carried out from below the crusher not from above Remember Fatal accidents due to material being ejected have occurred to people who have examined the crushing cavity of a stalled crusher from above Guarding Inadequate guarding is a major cause
·Consider using these tips after your prescreening interview Prepare your questions After the interviewer has asked you their prescreening questions they typically ask you if you have any questions for them Before the interview write a few thoughtful questions to ask the interviewer that show your enthusiasm and interest in the role and
·Due to the complex nature of its geology characterised by extremely hard andersite rock containing joint planes which damage easily creating voids on the back and side walls of each blast AfriSam s Eikonhof Quarry has traditionally struggled with both big boulders and limited fines in its blasts In order to overcome the problems the quarry has
·The blast mechanical effect reveal itself in rock crushing as well as in the loss of strength away from a charge The blast waves are acting as compressive and tensile loads in this area
·Larry Mirabelli senior manager at Buckley Powder Co teamed with Bill Hissem senior mining engineer at Sandvik Construction to deliver a presentation on drilling and blasting at the 2015 Quarry Academy hosted by Dyno Nobel and Mirabelli who has more than 40 years of experience in explosives technology between Buckley
·Sand gravel and crushed rock quarries employ standard surface mining stone is used for concrete aggregate for road building and in the case of limestone as flux in blast furnaces and for chemical quarrying technique consists of drilling and blasting to fragment the rock A large number of charges are fired
·The machine s crushing capacity can be determined in different ways apart from the classic method with the help of lorry weigh bridge a belt scale integrated into the crushing plant is also available as an option and is installed under the crusher discharge conveyor This permits quick and simple reading of the crushing