MINING ROCK PROPERTIES. ROCK MECHANICS AND GEOPHYSICS
The certificate of activation of minerals in the high speed mechanisms is this. Process of change of an energy condition of minerals in the course of mechanochemical activation in a disintegrator is described. Data on efficiency of handling of tails are provided in a supercritical drum mill with a reflector. It is shown that mechanoactivation of tails allows to increase significantly end-to-end extraction of zinc, lead and iron from substandard raw materials, thereby creating conditions for application it as construction materials. The model of an economic evaluation of technology of utilization of tails is offered.
Purpose. Research of stability of preboard arrays of kacharskiy quarry, build heterogeneous, stratified, rocky and strongly cracked mountain breeds by development and perfection of methodology of realization of instrumental surveyor supervisions for prevention of dangerous deformations and providing of safety at the conduct of mountain works.
Methodology. The system of the geotechnical monitoring of the state of mountain range is worked out on the basis of introduction of NT with the use of satellite methods of determination of coordinates of hard points, measuring of size of deformations high-fidelity тахеометром on stationary prisms in combination with laser geoscanner of deformation area with creation 3 D of model of array.
Findigs. The considerable decline of durable properties of mountain breeds composing a preboard array is set, weakening of their structural connections with increase of humidity of breeds and their cracking. Forming of landslide prism in these the terms contingently the loss of stability of separate pedigree prisms contoured from one side the surface of slope, and from other - by one or a few surfaces of weakening (by the contacts of breeds). The conducted complex supervisions allowed to define speed of deformation and educe the contours of landslide prism. Speed of deformation of landslide in winter time was made by a 12-14 mm in twenty-four hours, a maximal value attained in a spring period and made a 19 mm in twenty-four hours.
Originality. A scientific novelty of an offer in-process method is the complex instrumental watching the state of mountain range with the use of high-fidelity laser devices and satellite systems with a construction 3 D of model of array.
Practical value. Perfection of methodology of the instrumental watching stability of preboard and dump arrays on the basis of complex combination of the high-fidelity measuring with the use of tacheometer of TA1201 and laser scintiscanner of HDS 8800, that allows to define speed of deformation, educe the borders of landslide prism and create the model of the deformed area for development of antilandslide events with the purpose of increase of stability of mountain range.
Capillary forces together with the gravitational forces control the initial distribution of fluids in the reservoir-the reservoir vertically so the data on capillary pressure curves can be used to forecast the fixed and movable water in the hydrophobic system vertically. Capillary pressure curves are needed to describe the process of waterflooding in complex, heterogeneous formations, are used as well to determine the residual water saturation and the distribution of pore size. It should be noted that capillary forces affect the promotion of the front of the institution and consequently on the ultimate oil recovery.
POWER ENGINEERING, AUTOMATION, AND ENERGY PERFORMANCE
Examined various cases of human touch to emergency equipment in the mains voltage up to 1 kV at different types of grounding system TN. In analyzing the various cases derived the analytical contact voltage relations depending on various parameters of the electrical network. For different cases of human touch in the TN system are reviewed transitional processes.
The possibility of predicting energy consumption for ball mill concentrator when implementing intelligent forecasting system. Compiled model to determine the power consumption of the electric drive of a ball mill. The modeling work mill with no load and during grinding the ore. The simulation results are confirmed by instrumental measurements motor power at various modes of operation of the mill. The proposed model for determining the power consumption of a ball mill allows an assessment of the efficiency of electric energy consumption and electric mills identify qualitative indicators of regulatory systems in the implementation of intellectual electricity forecasting system at the processing plant, to control the schedule of load; forecast production cycles and peak power values; redistribute the load and analyze changes in the mill operation.
BENEFICIATION AND PROCESSING OF NATURAL AND TECHNOGENIC RAW MATERIALS
The technogenic firm mineral raw material is presented by waste of mountain-metallurgical manufacture. Theirs recycling has the major economic value and provides fuller use of not renewed natural resources, decrease in rates of an exhaustion of mineral raw material in bowels, increase of labour productivity, improvement of working conditions, manufacture of cheap building materials and fertilizers for an agriculture, reduction and liquidation of sources of environmental contamination, mined-land occupied by waste. Technogenic mineral formations under condition of a positive estimation of economic efficiency of their development represent technogenic deposits (ТD). To morphological attributes ТD are subdivided on several industrial typed. Specificity of exploration of TD is defined by their sources, mechanisms of formation, form, structure of industrial congestions and the account of influence on an environment.