• INNOVATIVE SOLUTIONS

    CONSTRUCTIVE DESIGN OF A BELT CONVEYOR FOR A COAL MINE

    Innovations, Vol. 6 (2018), Issue 3, pg(s) 113-115

    At the present time, mines, power plants, ports are more complicated and more functional compared to the past therefore raw material processing, production, and amount of transportation material have increased. In this paper it is calculated with using necessary equations with standard charts that a stone cargo construction with 500 t/h in the line which is formed by two conveyors with 500 m straight and 100 m which has 30o slope.

  • MACHINES

    IMPROVING PROCEDURES OF TRAINANG EMPLOYEES BY IMPLEMENTING GUIDANCE CARDS SAFE METHODS AND TECHNIQUES OF WORK

    Machines. Technologies. Materials., Vol. 10 (2016), Issue 10, pg(s) 10-12

    Training and examination of working professions employees (further – workers) of the organisations, that are controled by Federal department of ecological, technological and nuclear supervision in Russian Federation (further – Rostechnadzor) of occupational Safety and Health and in the field of safety – it is one of the key factors in creating conditions for trouble-free operation of hazardous production facilities (further – HPF) and reduce industrial injuries at these facilities. This article provides an overview of the existing system of training and examination of workers on occupational health and safety and industrial safety, revealed its main gaps. The development and implementation of guidance cards safe methods and techniques of work are revealed, as a form of industrial instructions.

  • THE DESIGN PROCEDURE OF RECUPERATIVE HEAT-EXCHANGER FOR HEATING OIL MOVING IN A PIPELINE

    Machines. Technologies. Materials., Vol. 8 (2014), Issue 7, pg(s) 7-8

    Transportation of oil and oil products through the pipeline, due to their high viscosity and the paraffin content is technically and technologically complex process. At present, for the purpose of improving rheological parameters of oil, one of the most effective methods consists in its heating in heat-exchange installations to a certain temperature. The degree of improvement of rheological parameters of oil depends on its heating temperature and conditions of subsequent cooling. Heat treatment improves the inlet capabilities of pumps and allows improving the oil transportation process through the main pipes and pipelines.

    The given paper dwells on the design procedure of the heat-exchange installation “the pipe in pipe”. Such type of heat-exchanger is characterized by a simple design and low hydraulic resistance, in which the hot heat transmitter is ecologically clean water.
    The process of oil heating in heat-exchanger is the process of convective heat exchange, the intensity of which depends on a number of parameters, including the oil density and viscosity, which in turn are the values depending on temperature. On that basis, the paper dwells on the design procedure of the heat-exchange installation (“the pipe in pipe”) that should enable us to ensure the optimal heating temperature and calculation of geometrical sizes of heat-exchanger through mathematical way.