Криотехнология обеспечения пожарной и экологической безопасности резервуаров автозаправочных станций

Abstract

Introduction. The principles of comprehensive fire and environmental safety of gasoline tanks using cryogenic technology in the installation of environmental and fire safety on the example of gas stations are substantiated. Goals and objectives. Substantiation of the principles of comprehensive provision of fire and environmental safety of gasoline tanks at filling stations using cryogenic technology in the installation for ensuring environmental and fire safety (OEEFS). Methods. Fire and environmental safety of closed containers for storing liquid hydrocarbons (in our case, gas station tanks) can be ensured by: - recirculation of vapors in closed volumes - "gas tank-reservoir"; - capturing hydrocarbon vapors on breathing fittings; - dilution of the vapor phase in the gas space of the tank to reduce the emission of vapor-air mixtures to the outside; - phlegmatization of the vapor-air space of the reservoir with inert gases; - combining these methods (the method reflected in the application of OEEFS). Results and discussion. A diagram of the application of cryotechnology in the construction of an installation for ensuring environmental and fire safety is shown in Fig. one. Conclusions. Despite the objective pros and cons of a particular recovery technology, the final choice depends on the specific operating conditions of the equipment at the facility: the technically achievable level of minimizing emissions, logistics chains, types and characteristics of raw materials, etc. Therefore, to achieve maximum efficiency and versatility, our technological scheme includes the use of an additional unit: carbon-vacuum adsorption, liquid absorption or membrane module. Keywords: gas stations, fire safety, cryogenic technology, gasoline, environmental safety