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Sea surface spilled oil recovery and in-situ concentration separation and up-to-standard discharge system

A technology for oil spill and discharge system on the sea surface, applied in liquid separation, separation method, seawater treatment and other directions, can solve the problems of filter material or membrane blockage, large equipment volume, unable to meet the ship space and other problems, and achieves simple control and wide application range. Effect

Active Publication Date: 2019-07-26
BEIJING INSTITUTE OF PETROCHEMICAL TECHNOLOGY
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0005] In the above-mentioned prior art, when facing a large-scale oil spill and the oil content in the recovery mixture is high, the filter material or membrane will be blocked quickly, making it difficult to ensure effective working time; and the hydraulic retention time of filtration and membrane separation is also relatively long. The volume of the equipment is large during large-scale processing, which cannot meet the limitation of the small space of the ship

Method used

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  • Sea surface spilled oil recovery and in-situ concentration separation and up-to-standard discharge system
  • Sea surface spilled oil recovery and in-situ concentration separation and up-to-standard discharge system
  • Sea surface spilled oil recovery and in-situ concentration separation and up-to-standard discharge system

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specific Embodiment approach

[0023] The present invention's sea surface oil recovery and in-situ concentration and separation and up-to-standard discharge system, its preferred specific implementation is:

[0024] Including oil skimming and underwater pre-separation module, on-board concentration dehydration and sewage discharge standard module;

[0025] The oil skimming and underwater pre-water separation module includes a submerged vortex self-priming oil skimmer and a semi-submersible axial vortex separator, and the outlet of the submerged vortex self-priming oil skimmer is directly connected to the semi-submersible shaft Connect to the inlet of the vortex separator;

[0026] The semi-submersible axial vortex separator is controlled in real time by the frequency conversion motor according to the inlet flowmeter;

[0027] The on-board concentrated dehydration and sewage standard discharge module includes a dehydration-type axial vortex separator, an oil-removing axial vortex separator, a jet pump, and ...

specific Embodiment

[0068] Such as figure 1 As shown, the sea surface oil spill recovery provided by the present invention, on-site concentration separation and standard discharge system diagram include a sinking vortex self-priming oil skimmer 1, a flow meter 2, a semi-submersible axial vortex separator 3, Frequency conversion motor 4, low shear booster pump 5, dehydration type axial vortex separator 6, oil storage tank or oil bag 7, automatic control valve 8, oil removal type axial vortex separator 9, jet pump 10, two stages in series Cyclone flotation device 11, online oil content measuring instrument 12. The sinking vortex self-priming oil skimmer and the semi-submersible axial vortex separator form the oil skimming and underwater pre-water separation module. The installation direction of the oil skimmer of the sinking vortex self-priming oil skimmer is consistent with the forward direction of the ship. The water outlet of the semi-submersible axial vortex separator is opposite to the runnin...

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Abstract

The invention discloses a sea surface spilled oil recovery and in-situ concentration separation and up-to-standard discharge system, which comprises an oil skimming and underwater water pre-division module and an on-board thickening and dewatering and sewage up-to-standard discharge module. The oil skimming and underwater water pre-division module comprises a sunken vortex self-suction oil skimmerand a semi-submersible axial vortex separator; the on-board thickening and dewatering and sewage up-to-standard discharge module comprises a dewatering type axial vortex separator, a deoiling type axial vortex separator, a jet pump and a two-stage series cyclone deoiling device; and the sea surface spilled oil recovery in-situ concentration and sewage purification up-to-standard discharge systemadopting a compact pipe type separation technology and a compact type cyclone separation technology which are matched is adopted. The three types of utilized axial vortex separators are all driven bya variable frequency motor, the rotating speed of the motor is adjusted in real time according to the inlet flow, the application range to incoming liquid flow fluctuation is large, control is easy and convenient, and the boarding liquid amount is smaller than the oil skimming amount by 20%.

Description

technical field [0001] The invention relates to a water spill oil recovery and on-site treatment process, in particular to a sea surface oil spill recovery, on-site concentration and separation and standard discharge system. Background technique [0002] With the increasing development of marine resources, especially offshore oil resources, the possibility of surface oil spill accidents is getting higher and higher. Therefore, the importance of emergency response to water surface oil spill accidents is highlighted. Among the many emergency treatment technologies for oil spills on the water surface, the oil skimming treatment technology does not cause secondary pollution to the local environment, and the skimmed oil can be recycled after treatment, which is the most environmentally friendly and ideal method in the emergency treatment technology for oil spills on the water surface. However, during oil skimming operations, the water content of the skimmed material is high, and ...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): E02B15/04C02F1/40C02F1/20C02F103/08
CPCC02F1/20C02F1/40C02F2103/08E02B15/048Y02A20/204
Inventor 姬宜朋陈家庆蔡小垒孔令真刘美丽
Owner BEIJING INSTITUTE OF PETROCHEMICAL TECHNOLOGY
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