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First name, Middle name, Last name, Scientific degree, Scientific rank, Current position. Full and brief name of the organization, The organization address.Davydov A.P. – candidate of technical sciences, associate professor E-mail: This e-mail address is being protected from spambots. You need JavaScript enabled to view it Valiullin M.A. – candidate of technical sciences, associate professor Kazan State University of Architecture and Engineering The organization address: 420043, Russia, Kazan, Zelenaya st., 1
Title of the articleStudy of ventilation networks operating in the quasi-mode
Abstract.In some processes, such as aluminum, galvanized, etc. industries, removal of harmful substances by means of suction branched chains. The operation of such networks is due to a periodic change in the volume of exhaust air to separate suction nozzles. Such a change in the volume of exhaust air by a separate branch leads to a redistribution of pressure in an extensive network of air ducts. This causes an increase or decrease in volume of the gas-air mixture to the individual sections of the network, which leads to the misalignment of the system and reducing its efficiency. To avoid this phenomenon it is necessary to make regulation throughout the network, the manual mode is not possible. Regulation of branched network is proposed to using special control valves developed by the authors established for local suction operating in quasi-stationary regime. In the laboratory of the KSUAE was designed and installed an extensive network of ventilation control valves on separate branches. On the basis of calculations and experimental data were obtained of the distribution of static pressure and the cost of a separate branch for alternating operation throughout the network. Deviation of the actual volume of exhaust air from the settlement does not exceed 10-15 %, which confirms the efficiency of the proposed flow regulators.
Keywords.Ventilation network, variable mode, the control valve.
For citations:Davydov A.P., Valiullin M.A. Study of ventilation networks operating in the quasi-mode // Izvestiya KGASU. 2014. №1(27) P.145-148.


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