METHOD OF DETERMINING CONTENT OF VARIABLE DISPERSION SOLID PARTICLES IN DUST-LADEN GAS FLOW

摘要

the invention u043eu0442u043du043eu0441u0438u0442u0441u00a0 by optical means u0438u0437u043cu0435u0440u0435u043du0438u00a0 and could be used in the control u0437u0430u0433u0440u00a0u0437u043du0435u043du0438u0439 environment u0437u0430u043fu044bu043bu0435u043du043du044bu043cu0438 flows of gas and u0438u0437u043cu0435u0440u0435 the concentration of dust. the purpose of u0438u0437u043eu0431u0440u0435u0442u0435u043du0438u00a0 - improved accuracy.the essence of the method u0437u0430u043au043bu044eu0447u0430u0435u0442u0441u00a0 in rejecting at least part of the flow from the axis u0442u0435u0447u0435u043du0438u00a0, invention u043eu0442u043du043eu0441u0438u0442u0441u00a0 by optical means and may be further u0438u0437u043cu0435u0440u0435u043du0438u00a0 u044cu0437u043eu0432u0430u043du043e in control u0437u0430u0433u0440u00a0u0437u043du0435u043du0438u0439 environment u0437u0430u043fu044bu043bu0435u043du043du044bu043cu0438 flows of gas, measuring the concentration of dust in the technological equipment, energy and healy as industries. purpose u0438u0437u043eu0431u0440u0435u0442u0435u043du0438u00a0 u00a0u0432u043bu00a0u0435u0442u0441u00a0 improve the accuracy of the results.in fig. 1 a u043fu0440u00a0u043cu043eu043bu0438u043du0435u0439u043du044bu0439 station u0433u0430u0437u043eu0445u043eu0434u0430 with local u043fu0440u0435u043fu00a0u0442u0441u0442u0432u0438u0435u043c; sod. 2 - u043fu0440u00a0u043cu043eu043bu0438u043du0435u0439u043du044bu0439 station u0433u0430u0437u043eu0445u043eu0434u0430 with suction part flow; sod.3 - the scanning beam in a stream with u043fu0440u043eu0441u0432u0435u0447u0438u0432u0430u043du0438u0438 this part of the flow in the direction of the optical beam, u043fu0435u0440u043fu0435u043du0434u0438u043au0443u043bu00a0u0440u043du043eu043c plane u043eu0442u043au043bu043eu043du0435u043du0438u00a0, and determining the m u0430u0441u0441u043eu0432u043eu0439 concentration of solid phase of the main flow to change the u0438u0437u043cu0435u0440u00a0u0435u043cu043eu0433u043e u0437u043du0430u0447u0435u043du0438u00a0 optical density u043eu0442u043au043bu043eu043du0435u043du043du043eu0439 part of the flow.the screening of u043eu0441u0443u0449u0435u0441u0442u0432u043bu00a0u044eu0442 scanning beam trajectory along the u043eu0442u043au043bu043eu043du0435u043du043du043eu0433u043e station or with the periodic change of transverse u0441u0435u0447u0435u043du0438u00a0 the beam.according to the measured u0437u043du0430u0447u0435u043du0438u00a0u043c u043eu0441u043bu0430u0431u043bu0435u043du0438u00a0 u0437u0430u043fu044bu043bu0435u043du043du044bu043c flow beam u043eu043fu0440u0435u0434u0435u043bu00a0u044eu0442 range of optical density flow, and determine the concentration of the solid phase u043eu0441u043du043eu0432u043du043eu0433 m on the flow of u043eu0441u0443u0449u0435u0441u0442u0432u043bu00a0u044eu0442 summation of individual fractions obtained at the range of optical density in accordance with the formula m s, where g and s - matrix parametersu0437u0430u0432u0438u0441u00a0u0449u0438u0445 from geometry devices and places u0440u0430u0441u043fu043eu043bu043eu0436u0435u043du0438u00a0 sensors; m - matrix, u0441u043eu0441u0442u0430u0432u043bu0435u043du043du0430u00a0 of concentrations of major fractions. 4). s fe local u043fu0440u0435u043fu00a0u0442u0441u0442u0432u0438u0435u043c; sod. 4 - the scheme u0434u0438u0430u0444u0440u0430u0433u043cu0438u0440u043eu0432u0430u043du0438u0435u043c optical beam in u0433u0430u0437u043eu0445u043eu0434u0435 with suction part of the flow.the device u0434u043bu00a0 realization method u043fu0440u0435u0434u0441u0442u0430u0432u043bu00a0u0435u0442 a u0433u0430u0437u043eu0445u043eu0434 1, which established a local u043fu0440u0435u043fu00a0u0442u0441u0442u0432u0438u0435 2 (fig, 1) or device 3 u0434u043bu00a0 suction part of the flow (phi mr.. 2) for the differentiation of the dimensions in the plane of u043eu0442u043au043bu043eu043du0435u043du0438u00a0 flow on u043fu0440u043eu0442u0438u0432u043eu043bu0435u0436u0430u0449u0438u0445 walls u0433u0430u0437u043eu0445u043eu0434u0430 1.in the plane, the plane u043eu0442u043au043bu043eu043du0435u043du0438u00a0 u043fu0435u0440u043fu0435u043du0434u0438u043au0443u043bu00a0u0440u043du043eu0439 flow light source 4 are connected to the u043cu043eu0434u0443u043bu00a0u0442u043eu0440u043eu043c 5 u043du0430u043fu0440u0430u0432u043bu0435u043du0438u00a0 beam (fig. 3) or u0434u0438u0430u0444u0440u0430u0433Os yu with os 42k