The sand/dust environment is an important cause of aircraft failure A sand/dust environment simulation experiment must be devised to meet the standard technical requirements Therefore this article designs the control system for a sand/dust environment test tunnel including a wind speed control system and a pneumatic conveying and concentration control system A fuzzy intelligent control
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Get PriceThis can be done by the exclusive use of electrical mining equipment 2 Ensure Proper Waste Disposal There are guidelines to how mining byproducts are disposed of per laws and regulations which some mining companies unfortunately ignore This doesn t help the situation as far as eco friendly initiatives are concerned
Get PricePortable dredge also called small sand suction dredger is the kind of cost effective and compact sand dredging machine which is widely used for excavating and pumping sand or mud from the bottom of the water body Small portable dredger features robust dismantle structure high pumping efficiency cost saving easy to transport and operate
Get PriceIn mechanical mining high power jet pumps and heavy machineries are used for sand extraction from the active river channels and its floodplains References Brown AV Lyttle MM Brown KB 1998 Impacts of gravel mining on gravel bed streams Trans Am Fish Soc 127 979 992 CrossRef Google Scholar
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Get PriceThe excavator and trucks are used prior to the start of the manufacturing process and are taxable but the front end loader which carries the materials from the stockpile to the first work point is used within the scope of manufacturing and qualifies for exemption if it is used exclusively for this purpose
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