Oil-water separation technology and equipment for spilled oil recovery robot

A technology for oil-water separation and oil spill recovery, which is applied in the direction of liquid separation, separation methods, and immiscible liquid separation, etc. It can solve the problems of decreased operating efficiency of autonomous recovery robots, low oil content in oil skimmer recovery systems, etc., and achieves market promotion Competitiveness, improvement of recovery efficiency and recovery rate, effect of increasing oil content

Inactive Publication Date: 2013-03-27
SHENYANG LIGONG UNIV
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

The robot is usually equipped with an oil skimming system. However, due to the thin film thickness of the floating oil and the slightly harsh environment, the oil content in the oil skimmer recovery system is bound to be low, resulting in a decrease in the operating efficiency of the entire autonomous recovery robot.

Method used

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  • Oil-water separation technology and equipment for spilled oil recovery robot

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Comparison scheme
Effect test

Embodiment 1

[0027] Oil skimmer recovery oil-water mixture flow rate 10m 3 / h, the oil content is 75%, after being separated by the primary oil-water separator, the oil content of the higher concentration outlet is 93.4%, and the flow rate is 8m 3 / h, delivered to the oil storage bag by the screw pump; the oil content rate of the lower concentration outlet is 1%, and the flow rate is 2 m 3 / h, discharged into the sea.

Embodiment 2

[0028] Example 2: The present invention can also be realized through the following technical solutions:

[0029] Oil skimmer recovery oil-water mixture flow rate 20m 3 / h, the oil content is 40%, after being separated by the primary oil-water separator, the oil content of the lower concentration outlet is 1%, and the flow rate is 8 m 3 / h, discharged to the sea; the oil content rate of the higher concentration outlet is 66%, and the flow rate is 12 m 3 / h, transported to the secondary oil-water separator by the screw pump; after the secondary separation, the oil content of the higher concentration outlet of the secondary oil-water separator reaches 92.7%, and the flow rate is 8.5 m 3 / h, enter the oil storage bag; the oil content rate of the lower concentration outlet is 1%, and the flow rate is 3.5m 3 / h, discharged into the sea.

Embodiment 3

[0030] Example 3: The present invention can also be realized through the following technical solutions:

[0031] The oil skimmer recovers the oil-water mixture with a flow rate of 30m 3 / h, the oil content is 5%, after being separated by the primary oil-water separator, the oil content of the lower concentration outlet is 1%, and the flow rate is 20 m 3 / h, discharged to the sea; the oil content rate of the higher concentration outlet is 13%, and the flow rate is 10m 3 / h, transported by the screw pump to the secondary oil-water separator; after the secondary separation, the oil content of the lower concentration outlet is 1%, and the flow rate is 7.5m3 / h, discharged to the sea; the oil content of the higher concentration outlet of the secondary oil-water separator reaches 49%, and the flow rate is 2.5m 3 / h, enter the third-stage oil-water separator, after the three-stage separation, the oil content rate of the lower concentration outlet of the third-stage oil-water separ...

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Abstract

The invention relates to an oil-water separation technology and equipment for a spilled oil recovery robot. The equipment comprises an oil transfer pump, a cyclone separator, a primary oil-water separator, a screw pump, a liquid distributor, a secondary oil-water separator, a tertiary oil-water separator, a rectifier and a plurality of automatic control valves. The primary oil-water separator and the tertiary oil-water separator are coalescence-type gravity oil-water separators, the secondary oil-water separator is a hydrocyclone separator, and the cyclone separator is arranged at an inlet part of the primary oil-water separator. Whether oil water directly enters an oil storage bag or the next oil-water separator can be decided by detecting the oil content of the oil water separated by the primary oil-water separator and the secondary oil-water separator. According to the oil-water separation technology and equipment for the spilled oil recovery robot, the flexibility is high, the energy consumption is low, the oil concentration in the oil storage bag can be greatly improved, the adaptive capacity, operation efficiency and operation speed of the small robot can be improved, and the market competitiveness of the robot can be promoted.

Description

technical field [0001] The invention relates to the fields of marine environmental protection and oil spill pollution control, in particular to an oil-water separation process and equipment for an oil spill recovery robot. Background technique [0002] With the increasing scale of offshore oil exploration and transportation around the world, oil spill accidents from ships at sea occur frequently. In my country, about 3 to 5 million tons of oil flow into the sea every year due to sudden oil spill accidents. The problem of oil pollution is becoming more and more serious. The oil leaked into the water has brought us serious economic losses, and even brought catastrophic damage to the marine ecological environment and surrounding coasts. It is urgent to solve the problem of oil spill pollution. my country joined the "1990 International Convention on Oil Pollution Preparedness, Response and Cooperation" in 1998, and revised the "Law of the Sea", established a relatively complete ...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): B01D17/02B01D17/022B01D17/038
Inventor 张敏革秦青王雷袁学庆姚红坚陈若钊
Owner SHENYANG LIGONG UNIV
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