MTW European Type Trapezium Mill
Input size:30-50mm
Capacity: 3-50t/h
LM Vertical Roller Mill
Input size:38-65mm
Capacity: 13-70t/h
Raymond Mill
Input size:20-30mm
Capacity: 0.8-9.5t/h
Sand powder vertical mill
Input size:30-55mm
Capacity: 30-900t/h
LUM series superfine vertical roller grinding mill
Input size:10-20mm
Capacity: 5-18t/h
MW Micro Powder Mill
Input size:≤20mm
Capacity: 0.5-12t/h
LM Vertical Slag Mill
Input size:38-65mm
Capacity: 7-100t/h
LM Vertical Coal Mill
Input size:≤50mm
Capacity: 5-100t/h
TGM Trapezium Mill
Input size:25-40mm
Capacity: 3-36t/h
MB5X Pendulum Roller Grinding Mill
Input size:25-55mm
Capacity: 4-100t/h
Straight-Through Centrifugal Mill
Input size:30-40mm
Capacity: 15-45t/h
New technology for rock blasting
A New Technology for Smooth Blasting without Detonating Cord
In this study, we explored a new technology for smooth blasting without a detonating cord A series of sympathetic detonation experiments were conducted in the tunnel face to determine critical distances The critical distance for No 2 rock emulsion explosive under blasthole In this paper, an innovative concept that cutting area is similar to the rock roadway crosssectional contour (CSRC) for cut blasting is proposed, which is composed of two parts: layout of cutting Theory and field tests of innovative cut blasting method for rock This paper proposes a new cut blasting method aimed at improving excavation efficiency for drift mining in deep underground mine Numerical simulations were employed to evaluate and Innovative cut blasting method for rock excavation at depth based 2020年9月27日 In this study, we explored a new technology for smooth blasting without a detonating cord A series of sympathetic detonation experiments were conducted in the tunnel A New Technology for Smooth Blasting without Detonating Cord
Investigating an Enhanced Contour Blasting Technique
1 天前 When excavating tunnels and underground openings with the drillandblast method, minimizing excavation overbreak is vital, as it reduces the costs associated with excavation 2024年1月4日 It is discovered that ABC algorithm can optimize rock fragmentation with great precision when compared to KuzRam empirical model A new rock fragmentation prediction Stateoftheart review of machine learning and optimization 2022年4月6日 This paper mainly focuses on the experimental study of rock blasting, including the distribution characteristic of blast energy, evolution of the blast stress field, propagation Research progress of the fundamental theory and technology of 2022年2月1日 Plasma blasting technology (PBT) is a potential alternative to chemical blasting and mechanical cutting methods for fragmentation of natural rocks, concrete, geopolymers, Plasma blasting of rocks and rockslike materials: An analytical
A Study of Innovative Cut Blasting for Rock Roadway Excavation
5 天之前 This study provides a way to solve the cut blasting problems encountered during deep hole blasting in hard rock roadway excavation, and improves the excavation efficiency of 2020年9月27日 In the paper entitled “A New Technology for Smooth Blasting Without Detonating Cord for Rock Tunnel Excavation”, a new technology for smooth blasting without detonating cord is explored A series of sympathetic detonation experiments were conducted in the tunnel face to determine the critical distanceA New Technology for Smooth Blasting without Detonating Cord for Rock 2021年12月22日 The liquid CO2 phasetransition fracturing technology has been observed to overcome the shortcomings of traditional explosive blasting methods and can be applied to a variety of rock typesLiquid CO2 PhaseTransition Rock Fracturing: A Novel Technology On the basis of summarizing and analyzing the development characteristics and history of the three stages, the research progress and engineering application of the new technology of rock roadway blasting in coal mines are mainly introduced: ① Peripheral directional fracture control blasting technology controls the distribution of blast energy Development history and new technology research progress of rock
An Overview of Blasting Operations and Possible Techniques to
2022年1月4日 In spite of introduction of new technologies for breaking rock, blasting has remained most popular methodology for breaking rock for surface mining, tunnels, and civil engineering projects Rock fragmentation, backbreak, and flyrock due to Compared to traditional methods, employing CSRC cut blasting technology significantly reduces the number of boreholes, improves production efficiency, and lowers costs Previous article in issue; Next article in lowering the minimum resistance line of the explosive at the bottom of the hole and generating a new rock blast resistance curve l Theory and field tests of innovative cut blasting method for rock 2023年5月30日 This book presents the principles and practices of rock blasting for underground hard rock mining It covers a theoretical background of the rock blasting technology and comprehensive case studies on different stages of rock blasting for underground metalliferous mining It includes the discussions on burncut face blasting pattern, slot raise excavation Blasting Technology for Underground Hard Rock MiningA New Technology for Smooth Blasting without Detonating Cord for Rock Tunnel Excavation Chunde Ma 1,2 , Weibin Xie 1 , Zelin Liu 3, * , Qiyue Li 1 , Jiaqing Xu 1 and Guanshuang Tan 1A New Technology for Smooth Blasting without Detonating Cord for Rock
Blasting in Mining New Trends 1st Edition Routledge
Improving pit wall stability by minimizing blast damage vis a vis rock characterization at RAM PK Rajmeny, R Shrimali, LS Shekhawat A Joshi New physical findings revolutionize the drilling and blasting technology as well as the prediction of ground vibrations—Part 1: The new blasting model B Mueller HP Rossmanith2022年5月13日 Rock breaking by drill and blast using chemical explosives has been a dominant method in construction However, blasting is hazardous and risky in nature: it involves the use of Category 1 Rock Breaking Using Supercritical Carbon Dioxide (SCCO2) Technology In this study, we explored a new technology for smooth blasting without a detonating cord A series of sympathetic detonation experiments were conducted in the tunnel face to determine critical distances The critical distance for No 2 rock emulsion explosive under blasthole constraints was successfully measured to be approximately 10–11 mA New Technology for Smooth Blasting without Detonating Cord for Rock 2021年12月22日 In order to determine the applicability of liquid CO2 phasetransition fracturing technology in rock mass excavations, the principles of CO2 phasetransition fracturing were analyzed, and field tests of liquid CO2 phase Liquid CO2 PhaseTransition Rock Fracturing: A
Directional Blasting Technology in Rock Engineering
2022年2月1日 To apply directional blasting technology to rock engineering better, it is necessary to explore the influence regulation of directional blasting technology on the propagation of rock cracks Moreover, further research is needed to assess the damaged areas and provide a reliable reference basis for directional blasting excavation of rock mass in underground rock engineering2020年8月1日 This new technology has been successfully applied to directional roofcutting in coal mines Compared with explosive blasting, it has the advantages of highcrack rate, low noise and vibration, low charge, and increased safety Compared with SCDA, it has the advantages of short response time, greater power, and insensitivity to ambient temperatureInstantaneous expansion with a single fracture: A new directional rock 2011年1月1日 Surrounding rock deformation control (SRDC) of roadways in deep threesoft coal seams (TCSs) is a significant technological difficulty that hinders the safety and highefficiency mining of coal mines(PDF) Fast drilling and blasting construction technology for deep 2023年5月30日 He has made notable contributions in blasting science and technology to solve practical problems in the mining industry encompassing the fields of blast vibration and associated correlation with structural damage, wall control, rock fragmentation, blast design in mines and tunnels, cast blast designs in coal mining operations, and controlled blasting in civil Blasting Technology for Underground Hard Rock Mining
Stateoftheart review of machine learning and optimization
2024年1月4日 Over the past century, various technologies have been introduced for rock breaking, including surface miners, primary and secondary breakers, and tunnel boring machines (Mohamad et al 2018; Bouzid and Bouaouadja 2000; Zhou et al 2022)Despite the emergence of these new technologies, blasting has remained the most costeffective method for rock Blasting is a fundamental operation in the mining of metal and nonmetal mine sites There is a historical story of using explosive material in both underground and surface mines sites The development of new technology to collect the data from the blasting operationAdvanced Analytics for Rock Blasting and Explosives Engineering 2019年5月29日 Blasting is considered most inefficient activity in mining operation due to heterogeneous nature of rock with variation in physical nature as well as their chemical compositionRECENT ADVANCEMENT IN DRILLING AND BLASTING2021年4月1日 In conventional blasting when explosive is detonated, it releases huge amount of effective and noneffective energies that can produce gas and shock accompanied by light, heat, sound and pressureEmerging trends in drilling and blasting technology: concerns
Rock Fragmentation by Blasting Taylor Francis eBooks,
2020年12月16日 DOI link for Rock Fragmentation by Blasting Rock Fragmentation by Blasting Edited By B Mohanty Edition 1st Edition eBook ISBN 04 Subjects Engineering Technology Share Citation Get Citation Mohanty, B (Ed) (1993) Rock Fragmentation by Blasting (1st ed) CRC Press New techniques for joint mapping and Based on the different failure mechanism for shallow and deep rock mass, combined with the test result of ground stress and difficulties of blasting rock in Xinwen mining area, used mines rock mass mechanics and modern blasting theory and actively carried out technical reform, the new forming control technology of directional fracture blasting and control technology of multi New Technology of Efficient Blasting Rock for Large Section Rock 2022年4月1日 Investigating rock fragmentation mechanisms under blasting and developing new blasting technologies are important and challenging directions for blast engineeringResearch progress of the fundamental theory and technology of rock blasting2022年2月23日 Scholars report advantages and opportunities of technology adoption such as automation [3], robotic process optimization [4], unique product and service offers to customers based on predictive Advanced Analytics for Rock Blasting and Explosives Engineering
Rock Fracture and Blasting: Theory and Applications
2016年4月19日 Request PDF Rock Fracture and Blasting: The power deck method is one of the new technologies in blast efficiency enhancement and cost reduction in surface mine blasts2024年6月13日 In order to the problem of large deformation of the surrounding rock of the gobside roadway, this study proposes a novel method for protecting gobside roadway using energygathering blasting (EGB) to cut roof and relieve pressure, which combines parallel pullrods fracture theory with the Weibull strength of rock microelements to establish a new energy An Innovative Mechanism of Directional Rock Cracking Mechanics 2016年7月1日 Designing an optimized blasting scheme with shockabsorption and velocityreduction, together with safe and suitable key blasting technologies for heterogeneous rock, is core to address the safety (PDF) A brief history of the development of blasting and the In this paper, the aim is to achieve safe, rapid excavation of an extralong, largecrosssection highway tunnel in Eastern Tianshan, as well as to reduce production costs, simplify production processes, reduce cycle time, and improve production efficiency In this study, we explored a new technology for smooth blasting without a detonating cord A series of sympathetic detonation A New Technology for Smooth Blasting without Detonating Cord for Rock
AutoStem New Zealand Rock Breaking Cartridges
AutoStem NonDetonating Cartridges are the future of Safe Blasting around the World There is an AutoStem Rock Breaking Cartridge for almost every Blasting Application from Rock Popping to Quarry Bench Blasting, Mining and Demolition Class 14S 2019年7月3日 Blasting Technology Blasting technology has come a long way since the use of gunpowder The first recorded instance of using explosives to blast rock was in Hungary This was in the year 1627 Alfred Nobel, famous today for the five Nobel Prizes, was the inventor of dynamite He patented it in 1867 It was the first “safe” high explosiveRock Blasting Technology and Techniques in South AfricaNew Tech Improves Blast Outcomes Advanced software helps users optimize blasts for improved fragmentation, productivity and safety By Jesse Morton, Technical Writer New technologies from the top blasting solutions suppliers seek to optimize blasts for improved productivity (Photo: BME)OPENPIT BLASTING New Tech Improves Blast Outcomes2020年9月27日 In the paper entitled “A New Technology for Smooth Blasting Without Detonating Cord for Rock Tunnel Excavation”, a new technology for smooth blasting without detonating cord is explored A series of sympathetic detonation experiments were conducted in the tunnel face to determine the critical distanceA New Technology for Smooth Blasting without Detonating Cord for Rock
Liquid CO2 PhaseTransition Rock Fracturing: A Novel Technology
2021年12月22日 The liquid CO2 phasetransition fracturing technology has been observed to overcome the shortcomings of traditional explosive blasting methods and can be applied to a variety of rock typesOn the basis of summarizing and analyzing the development characteristics and history of the three stages, the research progress and engineering application of the new technology of rock roadway blasting in coal mines are mainly introduced: ① Peripheral directional fracture control blasting technology controls the distribution of blast energy Development history and new technology research progress of rock 2022年1月4日 In spite of introduction of new technologies for breaking rock, blasting has remained most popular methodology for breaking rock for surface mining, tunnels, and civil engineering projects Rock fragmentation, backbreak, and flyrock due to An Overview of Blasting Operations and Possible Techniques to Compared to traditional methods, employing CSRC cut blasting technology significantly reduces the number of boreholes, improves production efficiency, and lowers costs Previous article in issue; Next article in lowering the minimum resistance line of the explosive at the bottom of the hole and generating a new rock blast resistance curve l Theory and field tests of innovative cut blasting method for rock
Blasting Technology for Underground Hard Rock Mining
2023年5月30日 This book presents the principles and practices of rock blasting for underground hard rock mining It covers a theoretical background of the rock blasting technology and comprehensive case studies on different stages of rock blasting for underground metalliferous mining It includes the discussions on burncut face blasting pattern, slot raise excavation A New Technology for Smooth Blasting without Detonating Cord for Rock Tunnel Excavation Chunde Ma 1,2 , Weibin Xie 1 , Zelin Liu 3, * , Qiyue Li 1 , Jiaqing Xu 1 and Guanshuang Tan 1A New Technology for Smooth Blasting without Detonating Cord for Rock Improving pit wall stability by minimizing blast damage vis a vis rock characterization at RAM PK Rajmeny, R Shrimali, LS Shekhawat A Joshi New physical findings revolutionize the drilling and blasting technology as well as the prediction of ground vibrations—Part 1: The new blasting model B Mueller HP RossmanithBlasting in Mining New Trends 1st Edition Routledge2022年5月13日 Rock breaking by drill and blast using chemical explosives has been a dominant method in construction However, blasting is hazardous and risky in nature: it involves the use of Category 1 Rock Breaking Using Supercritical Carbon Dioxide (SCCO2) Technology
A New Technology for Smooth Blasting without Detonating Cord for Rock
In this study, we explored a new technology for smooth blasting without a detonating cord A series of sympathetic detonation experiments were conducted in the tunnel face to determine critical distances The critical distance for No 2 rock emulsion explosive under blasthole constraints was successfully measured to be approximately 10–11 m