KR20180133191A - Oil-water separator - Google Patents

Abstract

The present invention relates to an oil-water separator for separating oil (420) and water (430) from oil-mixed water (400) such as seawater where oil leakage has taken place. In the oil-water separator, three tanks (100, 200, 300) are connected as a single body while forming a step.

Description

Oil-water separator

The present invention is characterized in that ascending flow pipes (130, 230, 330) are sequentially connected to three tanks in a mixed water (400) in which oil (420) and water (430) The specific gravity of water and oil is 1, and the specific gravity of oil is 0.9, so that the oil (420) and water (430) are separated by the structure of three tanks To an oil-water separator.

More specifically, the dome-shaped collection dome 120, 220, 320 is formed in a single body in each tank in which the upper ends of the three tank tanks 100, 200, 300 having different specifications are reduced in a convex shape, The ascending sidewall pipes 130, 230 and 330 are connected to the centers of the three tank collecting dams 120, 220 and 320 so that the tank tanks 100, 200 and 300 are connected with a single body, Separator.

(Patent Registration 1) Oil separator and separation method (Registration No. 10-1055785 Registration date: August 03, 2011)

(Patent registered 2) Oil-water separator (Registration No. 10-1063780 Registration date: September 02, 2011)

[Prior Art Literature]

[Patent Literature]

(Patent registration 1) Registration No. 10-1055785 Registration date: 2011. 08. 03. Drawing 1.

Claim 1

Wastewater storage for effluent;

A water tank for flowing effluent from the wastewater tank and separating the influent water into water and oil by a specific gravity difference and an electrolytic water, and discharging the water;

Measuring means for measuring an oil content of the water discharged from the water separation tank;

Flow switching means for sending the water to the waste water tank according to the oil content of the water measured by the measuring means or sending the water to the outside or the purified water tank; And

And power supply means for supplying a current to the water separation tank,

The above-

A water inlet through which the water flows from the waste water tank;

An oil water separator for separating the oil water by a specific gravity difference and an electrolytic water phase;

An oil outlet through which the oil separated by the oil water separator is discharged; And

And a water outlet through which the water separated by the oil water separator is discharged,

The oil-

And a separation plate for flooding the oil contained in the oil water to float upward so as to float the oil contained in the oil water and electrolyzing the oil by the electric power supply means to promote the floatation action, Wherein the separation plate is disposed so as to be inclined inside the water separation tank,

A water reservoir portion in which the water flowed from the water flow input port remains before flowing to the water flow separation portion; An oil circulation unit for allowing the oil separated through the oil water separator to stay before being discharged through the oil discharge port; And

And a water basin portion where the separated water passed through the water-oil separating portion remains before being discharged through the water discharge port.

(Patent registration 2) Registration number 10-1063780 Registration date: 2011. 09. 02. Drawing 1.

Claim 1

A water collecting tank (100) comprising a discharge pipe (110) for collecting contaminated water from a river, a sewerage and the like and discharging the polluted water;

The supply tank 200, the oil extraction tank 220, and the water tank 230 are successively provided in order, a flow port 21a is formed in the upper portion,

And the water supply tank 210 is connected to the water collecting tank 100 through the water collecting tank 100. The water collecting tank 210 is connected to the water collecting tank 100, A pump 211 is configured to draw the fluid,

The oil extracting tank 220 comprises an extracting pipe 221 and the water tank 230 comprises a collecting tank 200 constituting a collecting pipe 231 connected to the collecting tank;

An extracting pipe 310 for receiving the concentrated polluted water discharged from the oil extracting tank 220 of the flocculation tank 200 and extracting oil from the upper portion of the collecting tank 200, 320);

And a separation tank 400 for collecting and separating the polluted water discharged from the concentration treatment tank 300 and discharging the polluted water to a wastewater treatment plant,

A supply pipe S1 connected to the discharge pipe 110 for supplying the polluted water to the supply tank 210 of the flocculation tank 200 and a discharge pipe connected to the extraction pipe 221 of the oil extract tank 220, A supply pipe S2 for supplying the contaminated water to the treatment tank 300 and a supply pipe S3 for supplying the contaminated water to the separation tank 400 in the concentration treatment tank 300, And a water pipe (W2) connected to the water recovery pipe (231) of the water recovery tank (230) to supply the water stored in the water storage tank (230) to the water collection tank (100).

In order to stabilize the mixed water (400) flowing into the first tank tank (100) at the initial stage, the compressed air (171) is introduced into the pressurized portion correlation furnace (160) The flow of the compressed air 171 is blocked before the oil 420 passes through the first ascending / descending flow pipe 130, and the oil 420, which has been separated due to the difference in specific gravity, The oil is supplied to the second tank tank 200 through the first ascending / descending pipe 130 and the oil 420 is discharged to the third ascending / descending pipe 330 formed in the third tank tank 300 It has its purpose.

In order to achieve the above object,

The first collecting dome 120 is connected to a first ascending / descending pipe 130 formed of a curved line at the center of a first collecting dome 120 having an upper end convexly formed therein. A first outlet pipe 140 having an opening and closing valve 141 is connected to the center of the lower end of the tank and a first outlet 150 is formed in a side surface of the tank, A first tank 100 in which a pressurizing portion correlation furnace 160 is installed at an inner lower end surface of a tank;

An open / close valve 231 is installed and connected to a second ascending / descending flow pipe 230 having a curved shape at the center of a second collecting dome 220 having an upper end protruding from the tank. An open / close valve 241 is provided at the center of the lower end of the tank, A second tank 200 having a second outlet 250 connected to the second outlet pipe 240,

A third discharge pipe 340 is connected to a third ascending / descending pipe 330 formed by a curved line at the center of the third collecting dome 320 having the upper end of the tank formed in a convex shape and the opening / closing valve 341 is installed at the center of the lower end of the tank, And a third tank 300 having a third inlet 350 formed at a side of the tank and connected to the first tank 300 through a first riser 301 connected to the first tank 100, And the third tank tank 300 is connected to the second ascending / descending pipe 230 connected to the second tank tank 200 by a single body.

As described above, according to the present invention, the three tanks are formed in a mutually connected structure so that the water separated from the mixed liquor can be discharged at any time according to various conditions. Thus, the total amount of mixed liquor Speed, so that it can be used for real life in various applications.

1 is a perspective view showing a first tank tank 100 in a disassembled state of a water separator according to the present invention,
2 is a perspective view showing the second tank vessel 200,
3 is a perspective view showing the third tank tank 300,
4 is a perspective view showing a state in which the oil water separator of the present invention is combined,
FIG. 5 shows an embodiment in which the mixed water 400 flows into the first tank 100 in the state shown in FIG. 4 and the oil 420 having undergone the first layer separation flows through the first collecting dome 120, Is a perspective view showing a state of being introduced into the upward flow pipe (130)
FIG. 6 is a cross-sectional view of the oil separator according to another embodiment of the present invention. FIG. 6 is a cross-sectional view of the oil separator according to another embodiment of the present invention. ), And FIG.
7 shows a state in which the oil 420 layered in the second tank tank 200 flows into the third tank tank 300 through the second ascending / And then flows into the third ascending / descending pipe 330 and is discharged into the oil storage tank 600. FIG.
Description of the symbols used in the main parts of the drawings
100 : First tank tank
110: Inflow
111: Opening and closing valve
120: first collecting dome (concave semi-circular shape gradually decreasing toward the upper end of the center)
130: 1st ascending flow pipe (bend)
140: First discharge pipe
141: Opening and closing valve
150: 1st entrance (for internal maintenance of tank)
160: Pressurizing part correlation furnace (for initial operation)
161: Micro through-hole (compressed air discharge hole)
170: Compressed air inflow pipe
171: Compressed air
200 : Second tank tank
210: connecting ball (connected to the first drainage pipe)
220: Second collecting dome (concave semicircular)
230: 2nd ascending flow pipe (bend)
231: Opening and closing valve
240: Second discharge pipe
241: Opening and closing valve
250: 2nd doorway (for internal maintenance of tank)
300 : Third tank tank
310: connecting ball (connected to the 2nd drain)
320: Third collecting dome (concave semicircular)
330: 3rd ascending flow pipe (curved pipe)
340: Third discharge pipe
341: Opening and closing valve
350: 3rd doorway (for internal maintenance of tank)
400: Mixed oil (water and oil mixed)
410: Floating oil (oil floating on water)
420: Oil (oil separated from water by passing through a flow pipe)
430: water (oil and stratified water or effluent discharged through first, second and third discharge pipes)
500: Mixed oil tank (flow control tank and return water tank)
600: Oil storage tank.

Hereinafter, the present invention will be described in detail with reference to the accompanying drawings.

FIG. 1 is a view showing a first tank vessel 100 in a state in which the oil separator according to the present invention is disassembled, FIG. 2 is a second tank vessel 200, FIG. 3 is a perspective view showing a third tank vessel 300, FIG. 4 shows a state in which the oil water separator is combined, and the structure according to the reference numerals is as follows.

A first ascending / descending pipe 130, which is a curved tube, is connected to the center of a first collecting dome 120 having a metal material made of iron and having an upper end convexly formed, A first discharge pipe 140 having an opening and closing valve 141 is connected to the center of the lower end of the tank, And a pressurizing portion correlation path 160 is provided on the inner lower end surface of the tank.

Reference numeral 110 denotes an inflow port which is connected to the first collecting dome 120 and is connected to the end of a curved line bent in a U shape at the center of the first tank 100, Closing valve 111 is connected to the inflow port 110 exposed to the outside of the first tank 100 so that the mixed effluent 400 flows into the first tank 100, The mixed water 400 is introduced at a position higher than the maximum water level of the mixed water 400.

Reference numeral 120 denotes a first collecting dome connected to the body of the first tank vessel 100 and formed as a closed structure integrally formed with a structure in which the size of the inner diameter gradually decreases from the body of the tank to the upper end thereof, The oil 420 flows into the first upwardly rising sidewall 130 in a state where the trapping effect of narrowing the gap is applied as the level of the rising oil 420 increases.

Reference numeral 130 denotes a first ascending wall, which is vertically fixed to the upper end of the first collecting dome 120 so that the oil 420 flowing in is elevated and flows through the horizontally curved tube to the second tank 200, Respectively. At this time, the height of the curved pipe that is curved in the horizontal direction is formed to be lower than the level of the mixed water 400 flowing through the inflow hole 110.

The first discharge pipe 140 is provided with an opening / closing valve 141 for discharging water 430 separated from the mixed water 400 by the specific gravity difference, which is connected to the lower center of the first tank 100 The discharge of the water 430 is manually operated according to the user's driving skill and the change of the flow rate and the change in the progress of the layer separation.

Reference numeral 150 denotes a first entrance / exit port, which has a structure in which the tank is sealed for maintenance and maintenance of the first tank 100.

Reference numeral 160 denotes a pressurized floating pipe which is provided on the lower end surface of the first tank tank 100 and is compressed through a compressed air inflow pipe 170 having a plurality of fine holes 161 formed at the upper end of a pipe made of iron So that the air 171 is discharged into the air bubbles. When the mixed water 400 flows into the first tank 100 for the first time and reaches the inlet 110 located at the center of the tank as the water level rises from the bottom surface, (420) floated below the floating oil layer (410) due to the synergistic action of the air bubbles to bind to the floating oil layer (410).

At this time, when the separated oil layer 420 begins to flow into the first ascending / descending flow pipe 130, the flow of the compressed air 171 is stopped and the flow of the mixed flowing water 400 flowing through the inflowing / Layer separation.

The opening / closing valve 231 is installed in the second ascending / descending flow pipe 230 having a curved shape at the center of the second collecting dome 220, the material of which is made of iron and the upper end of the tank is convex. And a second outlet pipe 240 provided with an opening / closing valve 241 is connected to the center of the lower end of the tank, and a second inlet / outlet 250 is formed on a side surface of the tank.

Reference numeral 210 denotes a connecting hole, which is formed by passing through the center of the second tank vessel 200 and connecting the first ascending / descending pipe 130 through which the oil 420 flows, by welding.

Reference numeral 220 denotes a second collecting dome connected to the body of the second tank vessel 200 and formed as a closed structure integrally formed with a structure in which the size of the inner diameter gradually decreases from the body of the tank to the upper end thereof, The oil 420 flows into the second rising-up flow pipe 230 in a state in which the trapping effect of narrowing the gap is applied as the level of the rising oil 420 increases.

Reference numeral 230 denotes a second rising dike 220 fixedly connected to the upper end of the second collecting dome 220 so that the rising oil 420 flows into the third tank 300 through a curved bend And an opening / closing valve 231 for temporarily interrupting the inflow of the oil 420 is connected. At this time, the height of the curved pipe that is curved in the horizontal direction is formed to be lower than the level of the oil 420 flowing through the first ascending /

Reference numeral 240 denotes a second discharge pipe, which is connected to the lower center of the second tank tank 200 and is provided with an opening / closing valve 241 for discharging the separated water 430 with a specific gravity difference, And the discharge of the water 430 is manually operated according to a change situation in which the layer separation is proceeding.

Reference numeral 250 denotes a second doorway, which has a structure in which the sealing of the tank is maintained for maintenance and maintenance of the interior of the second tank vessel 200.

A third ascending / descending pipe 330 is connected to the center of the third collecting dome 320, the material of which is made of iron and the upper end of the tank is convex, A third outlet pipe 340 provided with an opening / closing valve 341 is connected to the first outlet 350, and a third outlet 350 is formed on the side of the tank.

Reference numeral 310 denotes a connecting hole, which is connected to the second ascending / descending pipe 230, through which the oil 420 flows, through the lower end of the third tank 300, and which is joined by welding.

Reference numeral 320 denotes a third collecting dome which is connected to the body of the third tank 300 and is formed as a closed structure integrally formed with a structure in which the size of the inner diameter gradually decreases from the body of the tank to the upper end, The oil 420 flows into the third rising-up flow pipe 330 in a state where the trapping effect of narrowing the gap is applied as the level of the rising oil 420 increases.

Reference numeral 330 denotes a third ascending wall which is vertically fixedly connected to the upper end of the third collecting dome 320 so that the ascending oil 420 flows into the oil storage tank 600 through a horizontally bent bend. . At this time, the height of the curved pipe which is curved in the horizontal direction is formed to be lower than the level of the oil 420 flowing through the second rising pipe 230.

Reference numeral 340 denotes a third discharge pipe, which is connected to the lower center of the third tank tank 300 and is provided with an opening / closing valve 341 for discharging water 430 separated by a specific gravity difference, And the discharge of the water 430 is manually operated according to a change situation in which the layer separation is proceeding.

Reference numeral 350 denotes a third doorway, which has a structure in which the tank is sealed for maintenance and maintenance of the inside of the third tank tank 300.

Hereinafter, the operation and effects of the configuration of the present invention will be described.

FIG. 5 shows an embodiment in which the mixed water 400 flows into the first tank 100 in the state shown in FIG. 4 and the oil 420 having undergone the first layer separation flows through the first collecting dome 120, The mixed liquor 400 flowing in the mixed liquor tank 500 through the inflow port 110 is introduced into the center portion of the first tank vessel 100 by the U The compressed air 171 is introduced into the pressurized portion correlation furnace 160 at a low pressure and the air bubbles are introduced into the micropores 161 through the fine holes 161. As a result, The oil 420 in the form of a small granule floating on the floating oil 410 is floated by the rising action of the air bubbles to be coupled to the floating oil 410, The inflow of the compressed air 171 is stopped before the inflow of the compressed air 171 into the uprising flow pipe 130, The block that will run. And then the mixed liquor 400 flowing through the inflow channel 110 is separated by its own specific gravity difference.

At this time, when the proportion of the water 430 in the ratio of the oil 420 and the water 430 in the mixed water 400 flowing into the first tank 100 is relatively high, The opening and closing valve 141 is opened to discharge the water 430 before the water 430 flows into the second tank 200 before being introduced into the flow pipe 130. When the ratio of the oil 420 is relatively high, the mixed oil 400 flows into the second tank 200 while the open / close valve 141 is closed.

FIG. 6 is a cross-sectional view of the oil separator according to another embodiment of the present invention. FIG. 6 is a cross-sectional view of the oil separator according to another embodiment of the present invention. The water 420 in the form of bubbles existing in the oil 420 flowing through the first ascending / descending pipe 130 is precipitated and further the oil 420 flows into the water 430, And flows upward into the second rising-up flow pipe 230.

At this time, the ratio of the water 430 contained in the oil 420 becomes small, so that the oil 420 flows into the third tank 200 while the opening / closing valve 241 is closed for a certain period of time, Is discharged.

7 shows a state in which the oil 420 layered in the second tank tank 200 flows into the third tank tank 300 through the second ascending / The oil flowing into the third ascending / descending pipe 330 and discharged into the oil storage tank 600 is discharged to the oil 420 flowing through the second ascending / Shaped water 430 is finally settled and further the oil 420 is lifted while being separated from the water 430 and discharged to the oil storage tank 600 through the third ascending walk pipe 330 .

The time for discharging the water 430 using the opening and closing valves 141, 241 and 341 as described above is determined by the ratio of the oil 420 and the water 430 in the mixed flowing water 400, And when the residual oil 420 is present in the discharged water 430, it is returned to the mixed water tank 500 so that the oil separation process can be performed again.

Claims (4)

The first collecting dome 120 is connected to a center of a first collecting dome 120 having a convex upper end of the tank. The first collecting dome 120 is connected to a center of the first collecting dome 120, A first outlet pipe 140 having an opening and closing valve 141 is connected to the center of the lower end of the tank and a first inlet 150 is formed in a side surface of the tank, A first tank 100 in which a pressurizing portion correlation furnace 160 is installed on a lower surface thereof,
An open / close valve 231 is installed and connected to a second ascending / descending flow pipe 230 having a curved shape at the center of a second collecting dome 220 having an upper end protruding from the tank. An open / close valve 241 is provided at the center of the lower end of the tank, A second tank 200 having a second outlet 250 connected to the second outlet pipe 240,
A third discharge pipe 340 is connected to a third ascending / descending pipe 330 formed by a curved line at the center of the third collecting dome 320 having the upper end of the tank formed in a convex shape and the opening / closing valve 341 is installed at the center of the lower end of the tank, And a third tank 300 having a third inlet 350 formed at a side of the tank and connected to the first tank 300 through a first riser 301 connected to the first tank 100, Characterized in that the third tank tank (300) is connected to the second ascending / descending flow pipe (230) connected to the second tank tank (200) by a single body. The method according to claim 1,
The specification of the first tank vessel 100 in which the mixed water flow 400 is caused to flow by the natural water level is formed higher than the second tank vessel 200 and the third tank vessel 300 is formed in the second tank vessel 200, Wherein the height of the tank tank is gradually reduced from the first tank tank (100) to the third tank tank (300). The method according to claim 1,
The position of the curved line in which the first ascending / descending pipe 130 connected to the first collecting dome 120 is bent horizontally is formed to be lower than the level of the mixed liquor 400 flowing in the inlet chute 111, The third ascending / descending pipe 330 connected to the third collecting dome 320 is formed so that the position of the second ascending / descending pipe 230 connected to the third collecting dome 320 is lower than the level of the first draining pipe 130, ) Is formed to be lower than the level of the second rising-up flow pipe (230). The method according to claim 1,
The first ascending / descending flow pipe 130 is connected to the connecting hole 210 formed at the center of the body of the second tank tank 200 and the second ascending / descending pipe 230 is connected to the lower end of the body of the third tank tank 300 (310). ≪ RTI ID = 0.0 > 31. < / RTI >

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