Construction method of flame-retardant support system for oil storage tank

Abstract

The invention provides a construction method of a flame-retardant support system for an oil storage tank, and relates to the technical field of construction of upper-layer and lower-layer complete structures of the oil storage tank. The construction method comprises the steps that foundation scribing is conducted, specifically, the horizontal height of a supporting piece mounted in the oil storage tank is determined, and the overall foundation surface is determined; and mounting is conducted, specifically, a flame-retardant support and flame-retardant particles at the bottom of the oil tank are mounted by constructors through the determined foundation surface. The flame-retardant support constructed through the construction method is matched with a tank body to achieve the functions of flame retarding, oil seepage and water seepage, after irregularly-leaked oil is extinguished through the flame-retardant support, the irregularly-leaked oil permeates into the oil storage tank, if oil which still burns with the extremely small probability exists, a flame-retardant layer laid at the bottom of the tank body can achieve secondary flame retarding on the oil in the tank body, the temperature of an overall cavity of the bottom of the oil tank is decreased, the oil naturally flows into an oil drainage well, under the action of a double-layer extinguishing mechanism, the flowing speed of the oil is greatly decreased, and a certain buffer time is bought for fire rescue before the fire rescue arrives so as to prevent accidents from being further expanded.

Description

technical field [0001] The invention relates to the technical field of construction of an upper layer and a lower layer of an oil storage tank, in particular to a construction method of a flame-retardant support system for an oil storage tank. Background technique [0002] Today, pebbles are still used as fire and oil seepage materials in the oil storage pool. With the vigorous development of domestic UHV projects and the continuous improvement of my country's technical equipment and standards, the amount of oil contained in the transformer placed in the oil storage pool has changed from several in the early days of the founding of the People's Republic of China. From ten tons to hundreds of tons of UHV engineering transformers, the area and volume of the oil storage pool have increased accordingly, and the project cost has risen linearly. According to the current power-related regulations, pebbles are laid in the oil storage pool to prevent fire The cooling effect prevents th...

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Problems solved by technology

[0004] (1) There is a lack of power transmission and transformation projects in river areas, it is difficult to obtain pebbles, and the transportation cost is high

[0005] (2) The accumulation density of pebbles is high, the laying is thick, and the cost of cleaning and maintenance is high

[0006] (3) The cobblestone scheme is adopted for the oil storage pool, which is easy to be blocked, especially in the sandstorm area

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