Oil and gas security monitoring control method in restricted space

A confined space, safety monitoring technology, applied in the direction of fuel oil testing, material inspection products, etc., can solve the problems of lack of versatility

Active Publication Date: 2015-06-10
VITALONG FIRE SAFETY GRP
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Problems solved by technology

However, the volume concentration of oil and gas in the explosion critical parameters is closely related to the composition of the mixture, so this method can only be used for oil and gas mixtures with fixed components. If the composition changes, the explosion critical parameters need to be retested and analyzed, which lacks versatility

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Embodiment Construction

[0018] The present invention will be described in detail below.

[0019] In order to make the purpose, technical solution and advantages of the present invention clearer, the present invention will be further described in detail below. It should be understood that the specific embodiments described here are only used to explain the present invention, not to limit the present invention.

[0020] A method for monitoring and controlling oil and gas safety in a confined space. The confined space takes the primary and secondary sealed spaces of a large oil storage tank as an example, and a gas nozzle and a gas nozzle are arranged in the primary and secondary sealed spaces of the petroleum storage tank The sampler is equipped with a protective device outside the fire embankment of the tank farm. The protective device is a stainless steel box-shaped house structure and is skid-mounted as a whole. A sampling pump, a pretreatment module, an oxygen analyzer, a combustible gas...

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Abstract

The invention belongs to the technical field of fire protection and in particular discloses an oil and gas monitoring control method in a restricted space. The method comprises the following steps: detecting the oil and gas concentration and oxygen concentration in mixed gas in the restricted space, and finally performing security control according to the relationship between the oil and gas concentration and the oxygen concentration. According to two elements of fuel and oxygen, an oil-gas and oxygen control model is established, critical parameters of fire-proof and explosion-proof oil-gas and oxygen concentration are determined, and the ctive protection in the restricted space is realized by controlling the oil-gas and oxygen concentration in the restricted space.

Description

technical field [0001] The invention belongs to the technical field of fire protection, and in particular relates to a method for monitoring and controlling oil and gas safety in a confined space. Background technique [0002] Due to the flammable and explosive properties of oil, oil and gas accidents continue to occur, so it is of great significance to study oil and gas safety protection. Combustion theory holds that oxygen, combustible substances and sufficient ignition energy are the three elements of combustion, and all three are indispensable. The basic condition for an oil and gas explosion is the existence of oil, gas and oxygen. Oil and gas refer to the gas generated from the volatilization or escape of oil, mainly gaseous hydrocarbons such as C1-C6. The specific components are related to the type of oil and the ambient temperature. . When the oil and gas in the oil tank are uniformly mixed with air or oxygen within a certain concentration range, the concentration ...

Claims

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Application Information

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IPC IPC(8): G01N33/22
Inventor 汪映标吴明军冯仕君王泽强李卫民
Owner VITALONG FIRE SAFETY GRP
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