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A pyrolysis oil, gas and water synchronous condensation and oil and water separation and recovery system and method

A technology for pyrolysis of oil and gas, oil-water separation, applied in separation methods, liquid separation, dispersed particle separation, etc., can solve problems such as blockage of pipelines, and achieve the effect of saving disposal costs, easy operation, and avoiding the use of chemicals

Inactive Publication Date: 2017-03-22
CNOOC ENERGY TECH & SERVICES
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0004] If there are many heavy hydrocarbons in the pyrolysis oil and gas, the condensed oil is easy to coalesce in the condensation pipeline and block the pipeline. Such problems are often encountered during the operation of the oil sludge pyrolysis plant

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  • A pyrolysis oil, gas and water synchronous condensation and oil and water separation and recovery system and method

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Embodiment Construction

[0025] The present invention will be further described below in conjunction with the accompanying drawings.

[0026] Such as figure 1 As shown, the pyrolysis oil-gas-water synchronous condensation and oil-water separation and recovery system of the present invention includes a heating furnace 1, a pyrolysis reactor 2 arranged on the heating furnace 1, and a cyclone connected to the outlet of the pyrolysis reactor 2 Separator 3, the gas outlet of said cyclone separator 3 is connected with oil-gas-water synchronous condensation separator 5 through oil-gas compressor 4, and said oil-gas-water synchronous condensation separator 5 is composed of oil-gas-water chamber 6, circulating cooling water chamber 8, The oil-water separation membrane 7 arranged between the oil-gas-water chamber 6 and the circulating cooling water chamber 8 is composed of an oil-water separation membrane 7 made of one of oil-water separation fiber membranes or ceramic membranes; the upper part of the oil-gas-w...

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Abstract

The invention discloses a pyrolysis oil-gas-water synchronous condensing and oil-water separation recovery system and method. The method comprises the following steps that dry oil-containing sludge is added into a pyrolysis reactor to generate pyrolysis oil and gas; the pyrolysis oil and gas is subjected to gas and solid separation through a cyclone separator; the purified pyrolysis oil and gas is pressurized through an oil-gas compressor, and is fed into an oil-gas-water cavity of an oil-gas-water synchronous condensing separator; pyrolysis oil gas and water is condensed on the surface of an oil-water separating membrane after being subjected to condensing heat exchange; generated water drips are transferred to a circulation cooling water cavity, enter a circulation cooling water tank through a circulation cooling water pump and further return to the circulation cooling water cavity; oil drips are recovered into an oil recovering tank through an oil drip discharging opening of the oil-gas-water cavity; non-condensable gas exhausted from the oil-gas-water cavity enters a non-condensable gas drying recovery system through an oil-gas pressure reducing valve and returns to a heating furnace as fuels. The system and the method have the advantages that the oil-water separation recovery is realized while the pyrolysis oil and gas is condensed; the condensing effect is good; the system and the method are applicable to the heat chemical treatment process of oil-containing sludge.

Description

technical field [0001] The present invention relates to the fields of pyrolysis oil-gas-water condensation and oil-water separation, and more specifically relates to a pyrolysis oil-gas-water synchronous condensation and oil-water separation recovery system and method. Background technique [0002] The thermochemical treatment of oily sludge is to heat the oily sludge to a specific temperature under certain conditions to decompose the organic matter in the oily sludge to produce energy. Under the condition of anaerobic micro-positive pressure, the conversion of oily sludge is divided into two stages: the first stage is the evaporation stage, when the temperature is lower than 350 ° C, light hydrocarbons with low boiling points are volatilized from the oily sludge; the second stage It is a parallel-sequential reaction stage. When the temperature exceeds 350°C, the heavy oil begins to crack, and when the temperature reaches about 400°C, the molecules will generate free radical...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): C02F11/10C10G1/00B01D53/00B01D53/22B01D45/12B01D17/09B01D53/26
CPCY02W10/40
Inventor 姜勇王新乐李海燕王胜石烜杨庭魏新
Owner CNOOC ENERGY TECH & SERVICES
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