Oil-gas recycling device based on glassy-state membrane separation-absorption process

A recovery device and glass-like technology, which is applied in the recovery of liquid hydrocarbon mixtures, separation methods, and dispersed particle separation. Effect

Inactive Publication Date: 2014-10-08
CHINA PETROLEUM & CHEM CORP +1
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

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Problems solved by technology

[0011] The technical problem to be solved by the present invention is the problem of poor oil-gas separation effect and high emission concentration in the prior art, and a new oil-gas recovery device based on glassy membrane separation-absorption process is provided

Method used

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  • Oil-gas recycling device based on glassy-state membrane separation-absorption process

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Embodiment 1

[0026] figure 1 In the oil and gas recovery process shown, the oil and gas inlet is connected to the oil and gas closed collection system of the tank farm, the oil and gas closed collection system of the oil generating station or other oil and gas closed collection systems. The oil and gas inlet pipeline is connected to the inlet of the induced fan, the outlet of the induced fan is connected to the inlet pipeline of the condensate tank, the gas phase outlet of the condensate tank is connected to the inlet of the glassy membrane module, the permeate side of the glassy membrane module is connected to the inlet of the vacuum pump, and the glassy membrane The retentate side outlet of the module is connected to the absorption tower, the top outlet of the absorption tower is connected to the inlet pipeline of the condensate tank, the bottom outlet pipeline of the absorption tower is connected to the tube side inlet of the heat exchanger, and the shell side inlet of the heat exchanger...

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Abstract

The invention relates to an oil-gas recycling device based on a glassy-state membrane separation-absorption process, which mainly solves the problems of poor oil-gas separation effect and high concentration of emitted tail gas in the prior art. The oil-gas recycling device is characterized in that an oil-gas inlet pipeline is connected with an inlet of an induced draft fan, and an outlet of the induced draft fan is connected with an inlet pipeline of a condensate tank; a gas-phase outlet of the condensate tank is connected with the inlet side of a glassy-state membrane assembly, the permeation side of the glassy-state membrane assembly is connected with an inlet of a vacuum pump, and the retentate side of the glassy-state membrane assembly is connected with an absorption tower; a top outlet of the absorption tower is connected with the inlet pipeline of the condensate tank, a bottom outlet pipeline of the absorption tower is connected with a tube pass inlet of a heat exchanger, a shell pass inlet of the heat exchanger is connected with a lean oil inlet pipeline, a shell pass outlet of the heat exchanger is connected with an inlet of a condensing unit, an outlet pipeline of the condensing unit is connected with the absorption tower. According to the technical scheme, the problems are well solved, and the oil-gas recycling device can be applied to recycling of hydrocarbon steam.

Description

technical field [0001] The invention relates to an oil gas recovery device based on glassy membrane separation-absorption technology. Background technique [0002] In recent years, with the continuous increase of the number of automobiles in my country, the consumption of refined oil has risen rapidly, and the organic gas pollutants discharged into the atmosphere during the storage, transportation and sales of gasoline have gradually attracted people's attention. In 2007, the State Environmental Protection Administration issued GB20950 "Emission Standards of Air Pollutants for Oil Storage Depots", requiring all oil storage depots to complete oil and gas recovery transformation before the specified time. [0003] Generally speaking, the main processes of oil and gas discharge during the normal production process of oil depots are: [0004] (1) Oil recovery stage. Oil collection refers to the oil tank of the oil storage depot receiving oil products from the outside of produc...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): B01D53/18B01D53/22B01D53/00C10G5/00C10G5/04
Inventor 吴锋棒王振中王洁王林佟晓慧张卫华
Owner CHINA PETROLEUM & CHEM CORP
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