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High-sulfur crude oil gas recovery system for docks

A high-sulfur crude oil, recovery and treatment technology, applied in the direction of vapor condensation, dispersed particle separation, chemical instruments and methods, etc., can solve the problems of high fuel cost and low concentration, and achieve the effect of great energy saving and economic benefits

Active Publication Date: 2014-10-15
BAY ENVIRONMENTAL TECH BEIJING
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Problems solved by technology

However, the concentration of organic components in crude oil terminal oil and gas is low. In order to ensure safety and complete heating, under the condition of no natural gas supply, it is necessary to supplement propane fuel, and the fuel cost will be very high

Method used

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  • High-sulfur crude oil gas recovery system for docks

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Embodiment 1

[0034] like figure 1 As shown, the purpose of the high-sulfur crude oil gas recovery and treatment system at the terminal is to recover the crude oil gas in production at the two loading and unloading berths. Oil and gas are collected by special oil and gas pipelines on shore, and recovered through two-stage dedicated carbon adsorption oil and gas recovery units. The heavy hydrocarbons recovered in the first stage are compressed and cooled to a liquid state. The light ends recovered in the second stage are concentrated and used as boiler fuel.

[0035] The hydrocarbons produced by the first set of stage vacuum pumps are sent to the compressor and then to the cooler to convert it into liquid form for storage, ready to be used as boiler fuel. The oil and gas desorbed by the second set of vacuum pumps can be directly used for boiler combustion. The switchover time from adsorption to regeneration cycle was 15 minutes.

[0036] The whole set of oil and gas recovery system inclu...

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Abstract

The invention relates to a high-sulfur crude oil gas recovery system for docks and aims to recover crude oil gas in production in two shipping dock berths. The oil gas is collected by a special oil gas pipeline onshore, and the recovery is finished through two stages of special carbon adsorption oil gas recovery units. Heavy hydrocarbons recovered at the first stage are in the liquid state through compression and cooling. Light fractions recovered at the second stage are concentrated to be used as boiler fuel. After being treated by the oil gas recovery system, recovered oil products can turn into fuel after being transformed into the liquid state to provide heat energy, so that the fuel consumption of a storehouse can be reduced substantially, the operation cost can be reduced, a safe interface can be provided, potential risks during shipping can be avoided, the atmospheric environment can be protected, haze pollution sources can be reduced, a stable and reliable system can be provided for a large dock base, and actual working conditions of the high concentration, the large gas quantity and the unstable pressure during instantaneous emission of the oil products turned over by the docks are prevented.

Description

technical field [0001] The invention relates to the technical field of organic gas recovery and utilization, in particular to a wharf high-sulfur crude oil gas recovery and treatment system. Background technique [0002] The volatiles of crude oil are mainly hydrocarbons and sulfides, and the main components of hydrocarbons are CH 4 、C 2 h 6 、C 3 h 8 etc., are all flammable gases, and at the same time, any discharge will bring environmental pollution; the main component of sulfide is H 2 S and thiols. [0003] The public facility environment of the wharf is relatively small, and other craft methods do not meet the strict technical performance requirements. Direct combustion is the simplest process to control oil and gas emissions, especially for oil and gas with complex components and many light components. However, the concentration of organic components in the oil and gas at the crude oil terminal is low. In order to ensure safety and complete heating, propane fuel ...

Claims

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Application Information

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IPC IPC(8): B01D5/00B01D53/00B01D53/02B01D53/18
Inventor 万晓崔立鹏赵志华刘国强
Owner BAY ENVIRONMENTAL TECH BEIJING
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