Floating oil collecting device, manufacturing method thereof and applications thereof

A technology for collecting equipment and oil slicks, applied in chemical instruments and methods, other chemical processes, general water supply conservation, etc., can solve the problems of ignoring the volume of oil-absorbing materials, difficulty in large-scale preparation, complex mechanical equipment, etc., and achieve low preparation costs , save manpower and time, and solve the effect of difficult transportation

Inactive Publication Date: 2015-03-25
UNIV OF SCI & TECH OF CHINA
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

However, recent studies have excessively pursued high oil absorption capacity, while ignoring the volume of oil-absorbing materials.
When crude oil spills, it is also very difficult to transport these light and bulky oil-absorbing materials and deliver them to the oil spill area
Moreover, such materials are expensive and difficult to prepare on a large scale
Although this type of oil-absorbing material can be regenerated by removing the absorbed floating oil by means of burning, squeezing, and distillation, it requires complex mechanical equipment, and the operation is difficult, the recovery time is long, the cost is high, and the efficiency is low.

Method used

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  • Floating oil collecting device, manufacturing method thereof and applications thereof
  • Floating oil collecting device, manufacturing method thereof and applications thereof
  • Floating oil collecting device, manufacturing method thereof and applications thereof

Examples

Experimental program
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preparation example Construction

[0028] The invention provides a preparation method of the floating oil collection device, comprising the following steps:

[0029] a) preparing lipophilic and hydrophobic porous material 1;

[0030] b) Insert one end of a tube 4 into the porous material 1 obtained in step a), connect the other end of the tube 4 to the inlet of the pump body 2, and then connect the outlet of the pump body 2 to another The pipe body 4 is connected to the collection container 3 to obtain the floating oil collection equipment.

[0031]In step a), methods well known in the art can be used to prepare lipophilic and hydrophobic porous materials. The present invention first prepares the porous material capable of selectively absorbing oil from the oil-water mixture. The main part of the porous material can be polyester sponge, melamine sponge, cotton, sawdust, paper, straw powder, cotton wool, woven cloth, chemical fiber, polypropylene fiber , one or more of porous polymer membranes. By wrapping a ...

Embodiment 1

[0039] Cut the melamine sponge into a cube with a side length of 4 cm, and immerse the sponge sample in the hydrophobic fumed silica, polydimethylsiloxane prepolymer and n-hexane dispersion, and wait until the sponge sample is completely absorbed by the above-mentioned The dispersion was taken out, dried at room temperature, and solidified at 200° C. for 2 hours to obtain a hydrophobic and lipophilic porous material.

[0040] The above-mentioned hydrophobic and lipophilic porous materials were observed with a field emission scanning electron microscope, and the results can be found in figure 2 ,Depend on figure 2 It can be seen that the hydrophobic and lipophilic porous material used in the present invention has a pore diameter between 50 and 200 μm, and a porosity of about 80%. The contact angle test of the above hydrophobic and lipophilic porous material shows that the contact angle between the surface of the hydrophobic and lipophilic porous material used in the present ...

Embodiment 2

[0043] Take a piece of ordinary cotton cloth (20cm×20cm), spray the polyurethane solution (n-hexane solution of polyurethane prepolymer and its curing agent) on the surface of the cotton cloth by spraying, then dry it in the air, and then heat and cure it at 80 degrees for 12 hours , to obtain a hydrophobic cotton cloth. The above-mentioned hydrophobic cotton cloth is tested for contact angle, and the contact angle between its surface and water droplet is about 150°, which has super-hydrophobic properties.

[0044] Cut the above-mentioned hydrophobic cotton cloth into small pieces, process it into a capsule and fill it with cotton (about 4 grams) (similar to a pillow) to obtain a volume of about 64cm 3 Porous material with a porosity of about 70%.

[0045] Take a polytetrafluoroethylene pipe (inner diameter 3mm, outer diameter 4mm), insert one end into the inner middle part of the porous material, and connect the other end to the inlet of the self-priming pump (rated power 12...

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Abstract

The invention provides a floating oil collecting device, a manufacturing method of the floating oil collecting device and applications of the floating oil collecting device. The manufacturing method comprises the following steps of (1) manufacturing a multi-hole material which is oleophilic and hydrophobic, and (2) inserting one end of a pipe into the inner portion of the multi-hole material obtained in the step (1), connecting the other end of the pipe to an inlet of a pump body and then connecting the pipe to an outlet of the pump body, so that the floating oil collecting device is obtained. The floating oil collecting device can selectively pump floating oil on the water face into a collecting container and has good water-resistant performance. The floating oil collecting device has the advantages of quickly cleaning the floating oil on the water surface and recycling the floating oil. Compared with a pure oil absorbing material and a pure oil water separating film, the floating oil collecting device has the advantages of being high in oil water separating efficiency, simple and quick in floating oil recycling, low in cost, simple to manufacture, small in size, easy to carry and the like. The floating oil collecting device has potential application prospects in the field of oil leakage treatment, organic mechanical reagent treatment and industrial oily waste water treatment.

Description

technical field [0001] The invention belongs to the technical field of oil-water separation, and in particular relates to a floating oil collection device and a preparation method and application thereof. Background technique [0002] Crude oil spills, industrial oily wastewater, organic solvent leaks, etc. have brought huge damage to the natural environment, but it is very difficult to clean up the oil slick on the water surface. At present, the traditional methods for dealing with oil slick mainly include: 1) Enclose the oil slick, reduce the area of ​​the oil slick, increase the thickness of the oil slick, and then pump the oil into the recovery container. This method has low efficiency, low processing capacity, and is limited by the number of equipment, and part of the water will be pumped into the recovery container, and further oil-water separation operations are required; 2) Use an oil skimmer to collect floating oil. This method can only deal with oil slicks with hi...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): E02B15/04C09K3/32
CPCY02A20/204
Inventor 俞书宏葛进
Owner UNIV OF SCI & TECH OF CHINA
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