Safety control method of storage tank VOCs discharging open flame equipment

A technology for safety control and storage tanks, applied in fire rescue, containers, packaging, etc., can solve the problems that the gas phase space of storage tanks is easy to form an explosive environment, and open flame equipment is prone to flash explosion, etc., to reduce the risk of fire, prevent flash explosion, The effect of reducing emissions

Active Publication Date: 2019-08-20
CHINA PETROLEUM & CHEM CORP +1
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  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0004] The purpose of the present invention is to provide a safety control method for storage tank VOCs emission open flame equipment in order to overcome the problem that the gas phase space of the storage tank is easy to form an explosive environment and the open flame equipment is easy to explode in the prior art

Method used

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  • Safety control method of storage tank VOCs discharging open flame equipment

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Experimental program
Comparison scheme
Effect test

Embodiment 1

[0051] like figure 1 , a safety control method for storage tank VOCs emission open flame equipment, comprising the following steps:

[0052] Classified collection of VOCs in storage tank groups of various materials: the VOCs emitted by storage tank groups 1A / B of various materials are classified and collected through the oil and gas branch pipe 3 filled with each storage tank.

[0053] VOCs connection treatment of storage tanks of the same or similar materials: the VOCs discharged from multiple storage tanks 1A of the same or similar materials in multiple oil and gas branch pipes 3 collected by classification are collected into the same or similar oil and gas tank group oil and gas collection pipe 9A Connecting processing is carried out in the oil and gas branch pipe 3 collected by classification, and the VOCs discharged from the storage tank group 1B of the same or similar material in the multiple oil and gas branch pipes 3 collected by classification are collected in the tan...

Embodiment 2

[0081] According to the method of embodiment 1, the difference is: only there is no nitrogen purging measure for safety control of open flame equipment. The method in Example 2 not only realizes the VOCs treatment of various material storage tanks, but also effectively reduces the emission of VOCs, and at the same time greatly reduces the risk of fire in the storage tanks and prevents flash explosion accidents of open flame equipment.

Embodiment 3

[0083] According to the method of embodiment 1, the difference is: only there is no oxygen content measure treatment of oil and gas main pipeline safety control. The method of Example 3 not only realizes the VOCs treatment of various material storage tanks, but also effectively reduces the emission of VOCs, and at the same time reduces the risk of fire in the storage tanks and prevents flash explosion accidents of open flame equipment.

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Abstract

The invention relates to the technical field of normal-pressure and low-pressure storage tank volatile organic compound safe collecting and discharging, and discloses a safety control method of storage tank VOCs discharging open flame equipment. The safety control method comprises the following steps of classifying and collecting of a storage tank group VOCs with various materials, communicating treatment of the storage tank VOCs with the same or similar materials, nitrogen sealing measure treatment of safe control of the storage tank group with various materials, discharging open flame equipment treatment of storage tank group VOCs with various materials and oxygen content measure treatment and emergency emptying measure treatment of safe control of the open flame equipment. According tothe safety control method, the gas-phase space of the storage tank can be effectively controlled to avoid forming an explosive environment, so that the risk of fire disasters in the storage tanks is reduced, moreover, an explosive gas can be prevented from being formed in a front pipeline of the open flame equipment to the largest extent, so that the absolute safety of open flame equipment is ensured. Meanwhile, the safety control method also realizes the treatment of the various material storage tank VOCs.

Description

technical field [0001] The invention relates to the technical field of safe collection and discharge of volatile organic compounds in normal pressure and low pressure storage tanks, in particular to a safety control method for VOCs discharge open flame equipment in storage tanks. Background technique [0002] Odor gas emissions caused by the breathing of storage tanks, the volatilization of residual oil, the shutdown of cleaning lines, and the volatilization of solvents carried in oil have become a major source of air pollution in petroleum, petrochemical, and chemical companies. They are volatile organic compounds (VOCs ) is one of the main sources. As the country pays more and more attention to environmental protection, relevant regulations and standards are becoming increasingly strict. In order to meet the requirements of national laws and regulations, various refining and chemical companies have begun to implement large-scale VOCs collection and treatment projects in oi...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): B65D90/30B65D90/32B65D90/44B65D90/28A62C3/00A62C3/06
CPCA62C3/002A62C3/06B65D90/28B65D90/30B65D90/32B65D90/44
Inventor 王鹏党文义赵焕省刘迪王全国张杰东
Owner CHINA PETROLEUM & CHEM CORP
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