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Mobile Crushing Plant Set For Limestone And Coal Crushing Plant

Mobile Crushing Plant Set For Limestone And Coal Crushing Plant

Although there are many advantages in mobile crushing plant

, many problems also exist in engineering application:

(1) Due to discharging height of mobile crushing plant is up to 7m, hydraulic excavator above 5 cubic meter need to be equipped. If excavator with small bucket capacity is used, it can not reach the nameplate output, and cannot fully carry out its function.

(2) When mobile belt conveyer and mobile crushing plant are working together, working area is relatively large. If work place is relatively small, it is difficult for equipment allocation and move, which seriously affects working efficiency.

(3) The length of belt conveyer relatively long, so it is more difficult for shifting and descending, which needs the assistance of hydraulic excavator, truck crane and other auxiliary equipments.

(4) Because the equipment must avoid blasting, it is more difficult for equipment allocation, exploitation planning, and blasting design, etc.

(5) It takes too much time for track laying and keep equipment from blasting, present production capacity of mobile crushing plant and mobile belt conveyor cannot reach the target of name plate. quarrying equipment

(6) Because the equipment is higher in price, which requires financial support.

Main user of opencast mining is power plant, its requirement of supply coal granularity to power plant less than 200mm. coal crusher

Most of small and medium opencast mining is not equipped with crushing equipment, and granularity of coal cannot reach the requirement, all of which directly affect the economic efficiency of mining. Establishing a set of fixed crushing plant, it is not only with large investment at a time, but also with addition of reshipment, which resulting in production cost increasing, and influencing the economic efficiency of mining. Opencast mining is having top-down rock strata, including cemented gravel layer, Jurassic stratum, medium sandstone, fine sandstone, etc, rock mass has its particularity of density, hardness, structure equality. Also, under the condition of crushing action, different type of rock soil has different reflection of vibration from crushing. Because all coal-bearing stratum is even rock mass, its ability of accepting vibration wave transmission is related to property of rock mass. The harder the rock, the higher the density, the higher the wave velocity, so some crushing technology should be took.

Due to the particularity of opencast mining, plus limited technology, opencast mining has been constrained. With the improvement of machinery equipment technology, crawler mobile crushing plant is widely used in department of highway and bridge construction, urban architecture, metallurgy, energy, and so on to carry on crushing, screening, etc, which is especially suitable for use in opencast coal mining.

by: antique
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Mobile Crushing Plant Set For Limestone And Coal Crushing Plant Rawalpindi