KR20090107224A - Oil removal system and the removal method of the soil which the coast be imbrued - Google Patents

Abstract

PURPOSE: A device for removing oil on polluted soil is provided to improve and restore natural ecosystem and environment of a beach efficiently when the beach is polluted by an oil leakage accident. CONSTITUTION: A device for removing oil on polluted soil includes a washing drum(10), a conveyor(20), a water feeder(30), a water pipe, a steam spray, and a filter(40). The washing drum is comprised of a cylindrical body rotated by a motor(11) or a chain(12). A supply hopper(13) is installed at an inlet of the washing drum, and includes an outlet(14). A discharge hopper(15) is installed at an outer side of the washing drum, and a transfer screw(17) is formed on an inner wall. The conveyor supplies a material(S) to the supply hopper. The conveyor connects the discharge hopper or the supply hopper. The water feeder includes the water pipe(31) and the steam spray(32,33).

Description

Oil removal system and the removal method of the soil which the coast be imbrued}

The present invention relates to an oil removal device and a method of removing the soil contaminated soil, and more particularly to the sand or gravel and tidal flats of the beach beach by the oil spilled into the beach due to oil leakage accident at sea The present invention relates to an oil removal device of a contaminated soil on a beach and to a method of removing the oil, which allows the oil to be quickly separated and removed quickly and effectively recovered.

In general, oil spills occurring at sea damage not only the marine ecosystems but also the tidal flats and natural ecosystems of the beaches adjacent to the spills.

The damage caused by the oil spill is a big problem to contaminate the sea water itself, but the spilled oil spreads to the beach by algae, which contaminates the entire beach. Pollution causes major problems that lead to natural disasters.

Therefore, in the case of the oil spill accident as described above, the damage area and the magnitude of the damage will vary according to the initial response.

However, in the case of oil spill accident at sea, the concentration of preventive work to prevent the spread of floating crude oil at sea is concentrated, so the oil flowing into the beach is left unprotected, and the response is delayed shortly after the oil spill accident. It is a problem.

However, conventionally, since there was no equipment or tool to effectively remove oil attached to the beach after the oil spill accident and attached to the tidal flat, sand, gravel, etc. Since the oil attached to the gravel and the like was removed by wiping one by one, the time, manpower, and costs were very high.

In addition, the oil removal method is also difficult to remove the oil deposited in the sand or mud flats (hereinafter referred to as soil) while removing the oil attached to the surface around the beach during the manual process as described above There was a serious problem that gradually penetrated deeper into the future, which later led to greater natural disasters, which remained natural disasters for decades.

Accordingly, since there are no devices or methods for removing oil flowing into the seashore due to the oil spill accident, there is an urgent situation in which an apparatus or method for solving this problem should be developed.

The present invention was devised to solve such a conventional problem, and when the oil spilled due to the oil leakage accident in the sea flows into the beach to contaminate soil such as sand, gravel and tidal flats of the beach quickly By effectively separating, removing, and recovering, it is to provide an oil removal device and a method of removing the contaminated soil on the beach, which is capable of rapid recovery in the case of natural damage around the beach due to an oil leakage accident.

In order to achieve the above object, the present invention has a cylindrical shape, which is rotated by a motor and a chain, a supply hopper is installed at an inlet side, a drain hole is formed at a lower end thereof, a discharge hopper is installed at an outlet side, and an inner wall is transported. A plurality of washing drums in which screws are formed; A plurality of conveyors for supplying materials to the supply hopper of the cleaning drum or connecting the discharge hopper and the supply hopper between the cleaning drums; A washing water supply device including a water supply pipe for supplying water into the washing drum by a pump, and a steam sprayer for spraying high pressure steam into the washing drum and the conveyor; A filter for filtering the contaminated water discharged from the washing drum and the conveyor; Characterized in that comprises a.

On the other hand, as an oil removal method using the oil removal device of the contaminated soil of the beach as described above, by supplying the contaminated soil, sand or gravel material to the supply hopper of the first washing drum and rotating the washing drum continuously While stirring, the water is continuously supplied to the inside of the washing drum while the high pressure steam is sprayed to wash the material, and the discharged material is transferred to the second washing drum through the conveyor to be washed again by rotating and high pressure steam spraying. Repeat this several times, the contaminated water discharged from each washing drum and the conveyor is characterized in that the oil is filtered to filter.

Here, the conveyor comprises a method of maximizing the oil removal effect by spraying high-pressure steam to wash the material being transported.

In addition, in order to treat the soil in the sea far away from the beach, using a barge to spread the soil and pumped it to the washing drum through the pipeline by the pump to be washed and discharged back to the original position through the pipeline It may be.

As described above, the present invention can effectively remove and recover oil mixed with sand or mud flat soil or attached to the surface of gravel or small rock by removing the oil flowing into the beach as an oil removing device in case of oil spill accident at sea. It is possible to minimize the scale of damage caused by beach pollution that occurs immediately after an oil spill accident.

In addition, in the area where the damage has already been spread by the spill accident, the soil containing the precipitated oil is collected through excavation work, and then the oil is effectively separated, removed and recovered by the removal device and method as described above. The present invention can exert a very excellent effect, such as to effectively improve and restore the environment.

Hereinafter, embodiments of the present invention will be described with reference to the accompanying drawings.

Figure 1 is a schematic side cross-sectional view for explaining the oil removal apparatus of the contaminated soil of the beach according to the present invention, Figure 2 is a schematic side view of the oil removal apparatus of the contaminated soil of the beach according to the present invention.

First, the oil removal apparatus according to the present invention will be described with reference to FIGS. 1 and 2 as follows.

That is, the present invention oil removal device 100 is to remove the oil attached to the gravel or small rocks of the beach contaminated with oil, or oil mixed in the sand or mud flat soil, looking at the basic configuration of a plurality of washing drums ( 10) and a plurality of conveyors 20, the peripheral configuration includes a washing water supply device 30 and a filter 40.

The oil removal apparatus 100 may be installed in a container or a trailer to allow movement to the damage site, and this embodiment will be described with reference to the one installed on the trailer 1 as an example.

In addition, the oil removal device 100 of the present invention may operate one oil removal device 100 according to the oil removal operation state, and continuously two or more oil removal devices 110 and 120 as necessary. It can be arranged to operate efficiently in order to remove a large amount of oil.

First, the washing drum 10 is installed at the center of the trailer 1 configured to be movable as four wheels 2.

The washing drum 10 is cylindrical having an inner space, rotated by the motor 11 and the chain 12 to the outside thereof, and stable to a plurality of guide rollers 3 installed on the bottom of the trailer 1 and the frame. Is supported so that the entire washing drum 10 is installed to be rotatable.

In addition, a supply hopper 13 for supplying an oil removal object (sand, gravel, mudflat, soil, etc., hereinafter referred to as 'S') is provided at the inlet side of the washing drum 10. It is provided and the drain opening 14 is formed in the lower end.

In addition, one side of the supply hopper 15 is provided with a collection tank 16 for storing the material (S) contaminated with oil, the material contaminated with oil between the collection tank 16 and the supply hopper 15 Conveyor 20 for introducing the inside of the washing drum 10 is provided.

Transfer screw 17 is formed on the inner wall of the washing drum 10, the transfer screw 17 transfers the material (S) to the discharge hopper 15 as well as the stirring function of the material (S) contaminated with oil. For this purpose, in the present embodiment is made of a basic form that is installed spirally along the inner wall of the washing drum (10).

In this embodiment, the transfer screw 16 is not limited to a specific configuration, and selectively in an efficient shape depending on the state of the stirring operation or the amount of material to be transported to remove oil from oil or contaminated sand or gravel. The present invention is not limited thereto because it can be changed.

In addition, as shown in FIG. 3, when two or more oil removal apparatuses 100, 110, and 120 are arranged and operated, each discharge hopper 15 may be disposed between the discharge hopper 15 and the supply hopper 13. 15) and a plurality of conveyors 20 connecting the feed hopper 13 are installed and configured together.

Both sides of the conveyor 20 are provided with a cover 18 to prevent the material S from falling to both sides when the material (S) is discharged from the discharge hopper 15 as shown in FIG.

The cover 18 also serves to prevent the gap from being distributed to both sides even when steam is injected by the steam sprayer 33 described later.

In addition, the washing water supply device 30 is a water supply pipe 31 for supplying water (general water or seawater) to the inside of the washing drum 10 by a pump (not shown) initially, the washing drum 10 It consists of a steam injector 32 for injecting high pressure steam to the interior and the conveyor (20).

In addition, the filter 40 is to filter the contaminated water discharged from the washing drum 10 and the conveyor 20.

The water supply pipe 31 is installed at the inlet of the washing drum 10 and is installed to be sprayed on the material S supplied to each of the washing drums 10. It can be connected to supply water, and of course, the pump can be used to directly supply seawater.

In addition, the steam injector 32 is a well-known configuration, although not shown in the drawing, it is preferable that the steam injector 32 is configured to continuously receive high-pressure steam generated by heating by a boiler (not shown). Do.

Here, according to another embodiment of the present invention, the high pressure steam along the conveyor 20 by the steam injector (3) branched from the steam injector 32 is further installed on the conveyor 20, the next washing drum It is configured to maximize the oil removal efficiency by spraying the material (S) to be moved to be re-injected to (10).

The filter 40 is configured by applying a filter effective to separate oil and water and other foreign matter contained in the oil separated from the oil contaminated material.

For reference, since the trailer 1 for mounting the oil removal device 100 of the present invention is a movable configuration, it is necessary to maintain a horizontal level to stably rotate the washing drum 10 at the work site after the site arrives. A hydraulic device 4 is provided for horizontal installation of the trailer 1.

This is a configuration for allowing the oil removal device 100 to operate in a state in which the entire surface of the trailer as a hydraulic device 4 is raised from the floor when the floor of the work site is uneven.

On the other hand, although not shown in the drawings, if you want to treat the soil contaminated in the seabed of the sea slightly away from the beach, using the barge to pump up the soil of the seabed and then using the pump to pump the soil through the pipeline to the soil The feed-washed and washed soil can be discharged back to any position through the pipeline.

This makes it possible to treat larger scale soil at any location along the coast.

The oil removal method of the contaminated soil of the beach using the oil removal device of the contaminated soil of the beach configured as described above will be described in detail as follows.

Figure 3 is a side view for explaining the oil removal method of contaminated soil of the beach according to the present invention, Figure 4 is a main portion perspective view showing another embodiment of the oil removal method of contaminated soil of the beach of the present invention, and Including the oil removal method using the oil removal device of the present invention configured as described above.

That is, the oil removal method of the contaminated soil on the beach using the oil removal device is as follows.

First, the contaminated soil, sand, or gravel or the like is supplied to the supply hopper 13 of the first washing drum 10, and the washing drum 10 is continuously rotated and stirred while the inside of the washing drum 10 is stirred. While supplying water (general water or seawater) to the water at the same time to spray the high pressure steam to wash the material (S).

Then, the discharged material (S) is transported to the next second washing drum 10 through the conveyor 20 to be washed again by rotating and high-pressure steam injection, several times, each washing drum 10 And contaminated water discharged from the conveyor 20 is supplied to the filter 40 to filter and separate the oil to remove the oil.

In addition, as a method for maximizing the oil removal effect, the high-pressure steam may be sprayed on the conveyor 20 to wash the material S being transferred.

And, if the soil of the seabed in the sea at a distance from the beach is contaminated, the soil of the seabed is pumped through the barge and contaminated soil through the pump and the pipeline to the washing drum (10) and washed, Soil may be added to any location through the pipeline.

Referring to the operation of the oil removal device and the method of removing the contaminated soil of the beach according to the present invention configured as described above are as follows.

First, the trailer (1) equipped with the oil removal device 100 of the present invention is moved to the site of damage caused by the oil spill.

Next, the trailer 1 is installed horizontally using the hydraulic device 4 of the trailer 1.

At this time, according to the degree of damage to the oil on the beach, the oil removal apparatus 100 of the present invention is installed in one or two or more consecutively arranged, when arranged in two or more, each of the oil removal device (100), (110), Conveyor 20 is additionally installed between the discharge hopper 15 and the supply hopper 13 of 120 to remove the oil (S) continuously to the next oil removal device (120), 130 automatically It is configured to be injected into.

Next, when all the installation of the oil removal device 100, 110, 120 is completed by collecting the material (S), such as sand or gravel tidal flat of the beach contaminated with oil in the collection tank 16 It is stored in the tank 16 and the material is put onto the conveyor 20 with it.

The material is fed into the interior via a washing drum inlet which is rotated by the drive motor and chain as it passes through the feed hopper along the conveyor.

Here, each washing drum 10 is a state in which water or sea water and high-pressure steam is injected by the steam injectors 32 and 33 and the water supply pipe 31.

Therefore, the oil mixed in the material S introduced into the washing drum 10 is removed by the washing water sprayed together while being separated from the material S by heat by steam.

The removed oil is discharged to the filter 40 through the drain 14 between the washing drum 10 and the feed hopper 13 in the form of contaminated water and separated into oil and washing water.

At this time, the filtered oil from the filter 40 is not shown in the drawing, but collected in a separate storage tank or tank truck, and the purified washing water to be discharged to the beach or recovered to be re-injected into the washing drum (10).

Next, since some of the oil remains in the material (S) from which the primary oil has been removed as described above, the next oil is moved by the transfer screw (17) along the next conveyor (20) through the discharge hopper (15). The feed hopper 13 of the removal device 110 is passed back into the washing drum (10).

Here, the re-injected material (S) may be re-introduced into the washing drum 10 as it is, but according to another embodiment of the present invention, the high-pressure steam injected from the steam injector 33 installed on the conveyor 20 Separates the oil once more.

Here, the oil removed while moving on the conveyor 20 is discharged under the conveyor 20 while melting by the steam, at this time, gathered by a recovery vessel 19 provided below the inlet of the conveyor 20, the filter ( The oil separated by passing through the conveyor (20) can also be recovered smoothly while passing through the filter (40).

Next, the material S re-inserted into the washing drum 10 is completely removed from the oil by the third oil removing device 120 while repeating the above process, and the removed oil removes each recovery line. Separation from the filter 40 through the oil and the washing water is separated by the oil can be removed quickly and continuously to efficiently remove a large amount of contaminated material with oil.

 The present invention as shown and described above is not intended to be limited to the above embodiments, and may be implemented in various forms without departing from the spirit of the present invention.

1 is a schematic side cross-sectional view for explaining the oil removal device of the contaminated soil of the beach according to the present invention.

2 is a schematic side view of an oil removal apparatus of a contaminated soil of a beach according to the present invention.

Figure 3 is a side view for explaining the oil removal method of contaminated soil of the beach according to the present invention.

Figure 4 is an essential part of another embodiment of the oil removal method of contaminated soil on the beach of the present invention.

<Brief description of symbols for the main parts of the drawings>

1: trailer 2: wheels

3: guide roller 4: hydraulic device

10: washing drum 11: motor

12 chain 13 supply hopper

14: drain port 15: discharge hopper

16 collection tank 17 transfer screw

20: conveyor 30: washing water supply device

31: water supply pipe 32, 33: steam jet

100,110,120: Oil removing device

Claims (4)

It is a cylindrical shape rotated by the motor 11 and the chain 12, the supply hopper 13 is provided at the inlet side, the drain port 14 is formed at the lower end, the discharge hopper 15 is provided at the outlet side The inner wall includes a plurality of washing drums 10 having a transfer screw 17 formed therein; A plurality of conveyors 20 for supplying material S to the supply hopper 15 of the washing drum 10 or connecting the discharge hopper 15 and the supply hopper 13 between the washing drums 10; A water supply pipe 31 for supplying water into the washing drum 10 by a pump, and steam injectors 32 and 33 for spraying high pressure steam into the washing drum 10 and the conveyor 20. Washing water supply device having a; A filter 40 for filtering the contaminated water discharged from the washing drum 10 and the conveyor 20; Oil removal device of the contaminated soil of the beach, characterized in that comprises a. Contaminated soil, sand or gravel or the like (S) is supplied to the supply hopper 13 of the first washing drum 10 and the washing drum 10 while continuously rotating and stirring inside the washing drum 10 While supplying water continuously and at the same time by spraying high-pressure steam to wash the material (S), the discharged material (S) is transferred to the next second washing drum (10) through the conveyor 20 to rotate and again Repeated washing with a high pressure steam spray several times, the contaminated water discharged from each washing drum 10 and the conveyor 20 is supplied to the filter 40 to filter the oil on the beach, characterized in that How to remove oil from soil. The method of claim 2, The oil removal method of the soil on the beach, characterized in that to spray the high-pressure steam to the conveyor 20 to wash the material being transported. The method of claim 2, The contaminated soil is collected from a barge and supplied to the washing drum through a pump and a pipeline and washed, and the washed material is discharged to an arbitrary position through the pipeline. How to remove.

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