KR20120033665A - Oil supply apparatus - Google Patents

Abstract

PURPOSE: An oil supply apparatus is provided to precisely measure flow rate by discharging residual oil remaining inside a prober pipe periodically because a flushing pipe for supplying and discharging flushing fluid is connected to the prober pipe for measuring flow rate. CONSTITUTION: An oil supply apparatus comprises a transfer pipe part(100), a prober pipe part(200), a fluid measuring part(300), and a flushing pipe part(400). The transfer piping part includes a main pipe where oil is transferred. The prober pipe part is connected with the main pipe and the oil moves through the prober pipe part to measure oil flow rate. The fluid measuring part detects prober movement inside the prober pipe part to measure oil flow rate. The flushing pipe part is connected to the prober pipe part and supplies flushing fluid to the prober pipe part in order to discharge residual oil in the prober pipe part.

Description

Oil supply unit {OIL SUPPLY APPARATUS}

The present invention relates to an oil supply device for supplying oil used in a land plant or an offshore plant.

As is well known, oil can be supplied to operate a land plant or various equipment mounted on the land plant.

The oil supply device for supplying such oil may be provided with a flow metering system for measuring the flow rate of the oil supplied, and the measurement of the flow rate using the flow meter satisfies the productivity and economy of the land plant or the offshore plant High precision is required to make it work.

The flow meter can measure the exact flow rate by measuring the time the probe passes between the oil input and the oil outlet. To this end, the flow meter may include a moving pipe, a measuring device, a prober pipe, various valves, and the like. Here, the prober pipe may be provided to determine whether the flow rate is accurately measured.

Such a flow meter may be installed by separately separating a portion in which a moving pipe and a measuring device are installed and a portion in which a prober pipe is installed, or a moving pipe, a measuring device, and a prober pipe may be installed in a complex manner.

Here, the prober pipe may be used by opening the valve only when measuring the flow rate using the probe, and may be adjusted so that the oil does not flow by closing the valve when the flow rate is not measured.

In the prober pipe as described above, oil may remain inside after the flow rate measurement, and the oil remaining in the prober pipe may be discharged by using a drain at a time when the flow rate is not measured.

However, there is a problem in that it is difficult to accurately measure the flow rate when measuring the flow rate after the remaining oil is loaded or cured in the prober pipe because the above method cannot completely discharge the oil remaining in the prober pipe.

Embodiments of the present invention are to provide an oil supply device that can effectively flush the residual oil of the prober pipe for the flow rate measurement.

In addition, embodiments of the present invention is to provide an oil supply device that can effectively flush the residual oil of the prober pipe by supplying and discharging various flushing fluid to the prober pipe.

The objects of the embodiments of the present invention are not limited to the above-mentioned objects, and other objects not mentioned can be clearly understood by those skilled in the art from the following description .

According to an embodiment of the present invention, a conveying pipe part including a main pipe to which oil is transferred, a prober pipe part connected to the main pipe and to which the oil moves to measure the flow rate of the oil, and the prober pipe A flow rate measuring unit which detects the movement of the prober inside the unit and measures the flow rate of the oil, and is connected to the prober pipe unit and supplies a flushing fluid to the prober pipe unit to discharge residual oil of the prober pipe unit. There may be provided an oil supply device including a flushing piping to be.

Embodiments of the present invention, by connecting the flushing pipe for supplying and discharging the flushing fluid to the prober pipe provided for the flow rate measurement can periodically discharge the oil remaining in the prober pipe to the outside flow rate precisely Can be measured and its accuracy improved.

1 illustrates an oil supply apparatus having a flow meter according to a first embodiment of the present invention;
2 illustrates an oil supply device having a flow meter according to a second embodiment of the present invention;
3 illustrates an oil supply apparatus with a flow meter according to a third embodiment of the present invention.

Embodiments of the present invention are to supply a variety of flushing fluid through the flushing pipe connected to the prober pipe for measuring the flow rate, using the supplied flushing fluid to discharge the oil remaining inside the prober pipe, Technical means can solve the problems in the prior art.

In describing the embodiments of the present invention, if it is determined that a detailed description of a known function or configuration may unnecessarily obscure the gist of the present invention, the detailed description thereof will be omitted. In addition, terms to be described below are terms defined in consideration of functions in the embodiments of the present invention, which may vary according to intentions or customs of users and operators. Therefore, the definition should be based on the contents throughout this specification.

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

1 is a diagram illustrating an oil supply device having a flow meter according to a first embodiment of the present invention.

Referring to FIG. 1, the oil supply device includes a transfer pipe part 100 through which oil is transferred, a prober pipe part 200 for measuring a flow rate, a flow rate measuring part 300, and a flushing pipe part for flushing residual oil. 400, and the like.

The transfer pipe part 100 may include a main pipe 110, a shutoff valve 120, and the like.

The main pipe 110 is a pipe in which oil is transported at the time of offloading, for example, when the oil is unloaded to a carrier, and the main pipe 110 carries the transfer path of the main pipe 110 when the flow rate is measured on the line. It may be provided with a shutoff valve 120 for blocking. The shutoff valve 120 may allow the oil to be transferred only toward the prober pipe 200 when the flow rate is measured.

The prober pipe part 200 includes a supply pipe 210, a first switching valve 220, a first connection pipe 230a, a second connection pipe 230b, a prober pipe 240, and a discharge pipe 250. And the like.

One end of the supply pipe 210 may be connected to the main pipe 110 of the transfer pipe part 100, and the other end thereof may be connected to the first switching valve 220. The supply pipe 210 may be provided with a supply control valve 211 for opening or blocking a path of the supply pipe 210 on the line. The supply control valve 211 may be opened when measuring the flow rate, and may be shut off when the flow rate measurement is not performed.

The first switching valve 220 includes a four-way valve, for example, and each of the supply pipes 210, the first connection pipes 230a, the second connection pipes 230b, and the discharge pipes 250 may be formed. The path can be opened or blocked.

For example, when the oil is supplied to measure the flow rate from the supply pipe 210, the first switching valve 220 has a first connection in the supply pipe 210 to supply oil to the first connection pipe 230a. The path connected to the pipe 230a may be opened, the path connected to the second connection pipe 230b and the discharge pipe 250 may be opened, and the paths may be blocked from each other.

In the above-described embodiment of the present invention, the oil is supplied to the first connection pipe 230a and the oil is discharged to the second connection pipe 230b, but the oil is supplied to the second connection pipe 230b. When the oil is discharged into the first connection pipe 230a, the first switching valve 220 may operate in a manner opposite to that described above.

The first connection pipe 230a may be formed such that one end is connected to the first switching valve 220 and the other end is connected to the prober pipe 240. The first connection pipe 230a may include a first thermometer 231a for temperature measurement on an outer circumferential surface thereof. In addition, the second connection pipe 230b may be formed such that one end is connected to the first switching valve 220 and the other end is connected to the prober pipe 240. The second connection pipe 230b may include a second thermometer 231b for temperature measurement on an outer circumferential surface thereof.

The first thermometer 231a and the second thermometer 231b may measure the temperature of the oil.

The probe pipe 240 has a form in which the cylindrical pipe bent at the end of the U-shaped pipe and the U-shaped pipe is connected, respectively, any one cylindrical pipe and the first connecting pipe 230a are connected, and the other cylindrical pipe and the second connecting pipe. 230b may be formed to be connected.

In addition, the U-shaped pipe is installed at a predetermined interval on the outer circumferential surface and may include a first detector 242a and a second detector 242b for detecting movement of the probe 320. The first detector 242a and the second detector 242b may detect a time at which the probe 320 moves according to the oil supplied thereto, and transmit the detected time to the counter 330 through the first signal cable 331.

The discharge pipe 250 may be formed such that one end is connected to the first switching valve 220 and the other end is connected to the main pipe 110. The discharge pipe 250 may be provided with a discharge control valve 251 for opening or blocking the path of the discharge pipe 250 on the line.

The discharge control valve 251 may be opened at the flow rate measurement, and may provide a path through which the oil passing through the prober pipe 240 is discharged. In addition, the discharge control valve 251 may block the connection path after all the oil from the prober pipe 200 is discharged.

The flow rate measuring unit 300 may include a meter 310, a probe 320, a counter 330, and the like.

The measuring device 310 may be installed on the main pipe 110, and includes, for example, a flow meter such as an area method, an ultrasonic method, a turbine method, and a volume method to measure the flow rate of oil transferred through the main pipe 110. can do. The measured flow rate value may be transmitted to the counter 330 through the second signal cable 333.

The probe 320 may use a displacer in the form of a ball, and may be located in the prober pipe 240, and may be located in the prober pipe 240 and move along the flow of oil supplied for flow measurement. It is possible to move between the first detector 242a and the second detector 242b provided on the outer periphery.

The counter 330 transmits data on a detection time point at which the probe 320 moving inside the prober pipe 240 through the first detector 242a and the second detector 242b is detected. After receiving through each of the through, each detection time is counted to calculate the time required for the probe 320 to move between the first detector 242a and the second detector 242b. After the velocity of the probe 320 is obtained by the time required for the movement of the probe 320, the flow rate of the oil transferred through the prober pipe 240 may be measured by multiplying the internal cross-sectional area of the prober pipe 240.

In addition, the counter 330 may calculate an accurate flow rate by comparing the flow rate value transmitted from the measuring unit 310 with the flow rate measured according to the detection time of the probe 320. Here, the counter 330 may include a power cable 332 for supplying power.

The flushing pipe part 400 may include a fluid supply pipe 410, a first control valve 420, a fluid discharge pipe 430, a second control valve 440, a second switching valve 450, and the like. . Of course, the flushing pipe 400 may be provided with a pump for pumping the flushing fluid, although not shown.

For example, the fluid supply pipe 410 may be provided to be connected to the first connection pipe 230a to provide a path through which the flushing fluid is supplied to the first connection pipe 230a, and the fluid supply pipe 410 may be provided. The may have a first control valve 420 that can supply or block the supply of the flushing fluid to the first connection pipe (230a). In addition, the fluid supply pipe 410 may be connected to the front of the fluid discharge pipe 430 with respect to the moving direction of the flushing fluid.

That is, the first control valve 420 may be supplied to the prober pipe 240 through the first connection pipe 230a to flush the oil remaining in the prober pipe 240 after the flow rate measurement. It can be opened so that it can be opened and blocked if it is not flushing.

The fluid supply pipe 410 may be, for example, a ballast tank, a discharge line of the conditioner, and a topside to supply a flushing fluid such as sea water, fresh water, oily water, or the like. ) May be connected to a flushing fluid supply device (A), such as a separation line of a separator included in the oil production module.

The fluid discharge pipe 430 is provided to be connected to, for example, the first connection pipe 230a so that the flushing fluid is discharged from the prober pipe 240 together with the oil remaining in the prober pipe 240. The fluid discharge pipe 430 may be provided with a second control valve 440 that can flush or block the discharge of the flushing fluid with the oil remaining inside the prober pipe 240. .

That is, the second control valve 440 may be opened when the flushing fluid including the oil remaining in the prober pipe 240 is discharged through the fluid discharge pipe 430, and the flushing fluid is not discharged. If you do not flush or do not perform the flushing operation may be blocked.

This fluid discharge pipe 430 is a separate tank (e.g., a slop tank, etc.) for storing the flushing fluid containing residual oil, the input of the separator included in the oil production module in the superstructure. It may be connected to a flushing fluid discharge device (B) such as a line.

The second switching valve 450 may include, for example, a four-way valve, and may open or block respective paths between the first connection pipe 230a, the fluid supply pipe 410, and the fluid discharge pipe 430. have.

For example, when the flushing fluid is supplied through the fluid supply pipe 410 for flushing residual oil of the prober pipe 240, the prober pipe 240 of the fluid supply pipe 410 and the first connection pipe 230a is provided. Open the path in the direction of the first discharge valve 220 of the fluid discharge pipe 430 and the first connecting pipe 230a while opening the path in the) direction or the fluid supply pipe 410 and the first connecting pipe 230a. The path of the fluid discharge pipe 430 and the first connecting pipe 230a in the direction of the prober pipe 240 may be opened while opening the path of the pipe in the direction of the first switching valve 220.

Meanwhile, in the exemplary embodiment of the present invention as described above, the fluid supply pipe 410 and the fluid discharge pipe 430 have been described as being connected to the first connection pipe 230a. As described above, the fluid supply pipe 410 and the fluid discharge pipe 430 may be connected to the second connection pipe 230b.

In addition, the fluid supply pipe 410 is formed to be connected to the first connection pipe (230a) and the fluid discharge pipe 430 is formed to be connected to the second connection pipe (230b) or the fluid supply pipe (410) is connected to the second connection pipe ( Of course, the connection is formed to 230b and the fluid discharge pipe 430 may be connected to the first connection pipe 230a.

Therefore, by connecting the flushing pipe for supplying and discharging the flushing fluid to the prober pipe provided for the flow rate measurement, the oil remaining in the prober pipe can be periodically discharged to the outside, so that the flow rate can be accurately measured. In addition, the accuracy can be improved.

2 is a view illustrating an oil supply device having a flow meter according to a second embodiment of the present invention, and FIG. 3 is a view illustrating an oil supply device having a flow meter according to a third embodiment of the present invention. One drawing.

2 and 3, the flushing pipe 400 may be connected to the prober pipe 240 as shown in FIG. 2, and connected to the discharge pipe 250 as shown in FIG. 3. Can be formed.

Also in this case, the fluid supply pipe 410 for supplying the flushing fluid and the fluid discharge pipe 430 for discharging the flushing fluid including the oil remaining inside the prober pipe 240 may be the prober pipe 240 or each. Of course, the discharge pipe 250 may be selectively connected to each other. However, the fluid supply pipe 410 may be connected to the front of the fluid discharge pipe 430 with respect to the flushing fluid movement direction.

Meanwhile, the fluid supply pipe 410 and the fluid discharge pipe 430 select two of the first connection pipe 230a, the second connection pipe 230b, the prober pipe 240, and the discharge pipe 250, respectively. Of course, the connection can be formed.

While the present invention has been particularly shown and described with reference to exemplary embodiments thereof, it is to be understood that the invention is not limited to the disclosed embodiments, but, on the contrary, It will be readily apparent that such substitutions, modifications, and alterations are possible.

100): transfer piping 110: main piping
120: shutoff valve 200: forver pipe
210: supply pipe 220: first switching valve
230a: first connection pipe 230b: second connection pipe
240: prober pipe 250: discharge pipe
300: flow rate measuring unit 310: measuring instrument
320: probe 330: counter
400: flushing piping 410: fluid supply piping
420: first control valve 430: fluid discharge pipe
440: second control valve 450: second switching valve

Claims (7)

A transfer pipe part including a main pipe through which oil is transferred,
A prober pipe portion connected to the main pipe and configured to move the oil to measure the flow rate of the oil;
A flow rate measuring unit which detects a movement of the prober inside the prober pipe unit and measures the flow rate of the oil;
A flushing pipe part connected to the prober pipe part and configured to supply a flushing fluid to the prober pipe part to discharge residual oil of the prober pipe part;
Oil supply unit.
The method of claim 1,
The flushing piping unit,
A fluid supply pipe for supplying the flushing fluid to a prober pipe;
A first control valve installed on a path of the fluid supply pipe and configured to supply or to block the flushing fluid to the prober pipe;
A fluid discharge pipe connected to the prober pipe part and configured to discharge the flushing fluid including the residual oil passing through the prober pipe to the outside;
Is installed on the path of the fluid discharge pipe, and includes a second control valve for discharging the residual oil to the outside or block the discharge
Oil supply unit.
The method of claim 2,
The flushing fluid is any one of sea water, fresh water, and oily water.
Oil supply unit.
The method of claim 3, wherein
The fluid supply pipe and the fluid discharge pipe is connected to any one of a connection pipe connecting the prober pipe and the main pipe, the probe pipe, the discharge pipe for discharging the oil from the prober pipe.
Oil supply unit.
The method of claim 4, wherein
The fluid supply pipe is connected to any one of a ballast tank, a discharge line of the conditioner, and a separation line of a separator included in the oil production module in the superstructure.
Oil supply unit.
The method of claim 4, wherein
The fluid supply pipe is connected to the front of the fluid discharge pipe with respect to the movement direction of the flushing fluid is formed
Oil supply unit.
The method according to claim 6,
The fluid discharge piping is connected to an input line of a separator included in an oil production module in a slop tank or superstructure.
Oil supply unit.

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