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Combination station oil storage tank head gas and wharf oil gas recovery system

An oil and gas recovery system and oil storage tank technology, which is applied in the direction of gas fuel, petroleum industry, separation methods, etc., can solve the problems of emissions not meeting the requirements of environmental protection regulations, polluting the atmospheric environment, and emissions exceeding the standard, so as to protect the surrounding area Environment, high degree of automation, high energy saving effect

Pending Publication Date: 2022-01-07
CHINA PETROLEUM & CHEM CORP +2
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  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0002] Some oil and gas field surface projects have a large amount of oil to be processed in the station, and the pressurized closed process, there is a certain amount of dissolved gas in the oil, and the gas-containing crude oil is stored in a closed oil storage tank. The top of the tank volatilizes a lot of tank top gas, resulting in emissions that do not meet the requirements of environmental protection regulations, emissions that exceed the standard, serious pollution of the atmospheric environment, and waste of resources

Method used

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  • Combination station oil storage tank head gas and wharf oil gas recovery system
  • Combination station oil storage tank head gas and wharf oil gas recovery system

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Embodiment Construction

[0022] like figure 1 Illustrated, the combination station tank roof and piers hydrocarbon gas recovery system, a nitrogen comprising unit 1, downstream of the nitrogen unit 1 is provided with a first line L1 and a second line L2,

[0023] Downstream of the first conduit L1 sequentially provided with a vapor recovery adsorption 2, a separator 3, a blower 4, a dryer 5, a 6 and a degreasing furnace 9.

[0024] The second parallel line L2 is provided downstream of a reservoir tank 7 and a safety relief seal means 8,

[0025] The outlet of the demister 6 a third line L3 with a self-regulating valve 10 is connected to the outlet of the Self-regulating valve 10 is connected to the inlet of the safety relief device 8 through the seal.

[0026] Predetermined pressure after the valve 10 is self-regulating valve 100Pa. The set relief pressure safety relief seal means 8 1200 ~ 1400Pa, blower nominal volume flow is 2Nm 3 / Min, inspiratory pressure is 0.2 ~ 0.5KPa, vent pressure 15-30kpa.

[0...

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Abstract

The invention discloses a combination station oil storage tank head gas and wharf oil gas recovery system. The combination station oil storage tank head gas and wharf oil gas recovery system comprises a nitrogen making unit, and a first pipeline and a second pipeline are arranged on the downstream of the nitrogen making unit. An adsorption type oil gas recovery device, a separator, a natural gas compressor, a dryer, an oil remover and a heating furnace are sequentially arranged on the downstream of the first pipeline, and a storage tank area and a safety pressure relief water seal device are arranged on the downstream of the second pipeline in parallel. An outlet of the oil remover is connected with a self-operated regulating valve through a third pipeline, and an outlet of the self-operated regulating valve is connected with an inlet of the safety pressure relief water seal device. The purposes of saving energy, reducing emission and reducing environmental pollution can be achieved by arranging the nitrogen making unit, an inerting oil tanker oil tank and system pressure balance on a wharf, and self-use fuel needed by heat supply equipment is effectively saved.

Description

Technical field [0001] The present invention relates to an oil and gas field surface engineering, more specifically, a combined air stop tank roof and piers oil and gas recovery systems. Background technique [0002] Since some of the oil and gas field surface engineering more inbound processing oil, and is sealed with pressure process, the oil has a certain amount of dissolved gas, gas in the crude oil storage tank in a closed, heated, after the continuous operation into the oil, oil tank top tank top volatilized more gas, resulting in emissions does not meet the regulatory requirements of environmental protection, emissions seriously overweight, there is a serious atmospheric pollution and waste of resources. Inventive content [0003] The present invention is mainly to solve the technical problems present in the prior art, to provide a combined gas station tank roof and piers oil and gas recovery systems. [0004] The above technical problems of the present invention is mainl...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): B65D90/30C10L3/10B01D53/04
CPCB65D90/30C10L3/101C10L3/106B01D53/04B01D2253/102
Inventor 许国晨黄海王刚师丽雪张旭史洲宁顾志强祝铭辰
Owner CHINA PETROLEUM & CHEM CORP
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