- surface blasting
- 露天爆破
English-Chinese dictionary of mining (英汉矿业大词典). 2013.
surface blasting
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Surface finishing — is a broad range of industrial processes that alter the surface of a manufactured item to achieve a certain property.[1] Finishing processes may be employed to: improve appearance, adhesion or wettability, solderability, corrosion resistance,… … Wikipedia
Surface mining — is a type of mining in which soil and rock overlying the mineral deposit are removed. It is the opposite of underground mining, in which the overlying rock is left in place, and the mineral removed through shafts or tunnels. Surface mining is… … Wikipedia
blasting — process of reducing a solid body, such as rock, to fragments by using an explosive. Conventional blasting operations include (1) drilling holes, (2) placing a charge and detonator (blasting cap) in each hole, (3) detonating the charge, and… … Universalium
Surface mining equipment — An Auger machine is a large, horizontal drill, generally 3 feet or more in diameter and up to about 100 feet long. It can remove coal at a rate of more than 25 tons per minute. A bucket wheel excavator is a continuous digging machine equipped … Energy terms
surface hardening — ▪ metallurgy treatment of steel by heat or mechanical means to increase the hardness of the outer surface while the core remains relatively soft. The combination of a hard surface and a soft interior is greatly valued in modern engineering… … Universalium
Surface mining methods — Auger mining recovers coal through the use of a large diameter drill driven into a coalbed in the side of a surface mine pit. It usually follows contour surface mining, particularly when the overburden is too costly to excavate. Area mining… … Energy terms
Abrasive blasting — Sandblasting a stone wall Diesel powered compressor used as an air supply for sandblasting … Wikipedia
Dry-ice blasting — used to clean a rubber mold Dry ice blasting is a form of abrasive blasting, where dry ice, the solid form of carbon dioxide, is accelerated in a pressurized air stream and directed at a surface in order to clean it. The method is similar to… … Wikipedia
Dry ice blasting — is a process in which dry ice is accelerated in a pressurized air stream and directed at a surface in order to clean it. The method is similar to sand blasting, plastic bead blasting, or soda blasting but substitutes dry ice as the blasting… … Wikipedia
Bristle Blasting — ist ein Verfahren zur Bearbeitung metallischer Oberflächen mittels eines speziell entwickelten rotierenden und mit Drähten bestückten Bandes. Es wird angewendet, um Korrosion oder eine eventuell vorhandene Oberflächenbeschichtung zu entfernen und … Deutsch Wikipedia
Bead blasting — is the process of removing surface deposits by applying fine glass beads at a low pressure without damaging the surface. It is used to clean calcium deposits from pool tiles or any other surfaces, and removes embedded fungus and brightens grout… … Wikipedia
