KR101276131B1 - Balasting system of ship and automatic balasting method of the same - Google Patents

Abstract

The present invention receives the required ship status information of the vessel and the identification information of the ballast tank to be adjusted, the ballast tank level measured by the vessel and the draft of the vessel receives the change in the vessel in operation even if changes occur in the supply / discharge automatically calculated ( Ballasting system of a ship and its automatic ballasting method that can be supplied / discharged automatically by the supply / discharge amount of the ballast water determined in the ballast tank to be adjusted according to the work order of ballasting / deballasting will be.
According to an embodiment of the present invention, a water level meter is installed in the ballast tank to measure the water level of the ballast tank; Draft gauge for measuring the draft of the ship; Required ship status information received from the outside, identification information of the ballast tank to be adjusted, identification information of the ballast tank to be adjusted using the information measured from the water level and draft gauge, ballast water supply / discharge amount and supply / discharge operation sequence by identification information Terminal device for determining; And transmitting the information received from the water level and draft gauge to the terminal device, and supplying / discharging the ballast water by the supply amount / discharge amount in the corresponding ballast tank according to the work order determined by the terminal device. A ship ballasting system is provided that includes an integrated control device for controlling.

Description

Ship ballasting system and its automatic ballasting method {BALASTING SYSTEM OF SHIP AND AUTOMATIC BALASTING METHOD OF THE SAME}

The present invention relates to a ballasting system of a ship and an automatic ballasting method thereof, and more particularly to the required ship condition information of the ship and identification information of the ballast tank to be adjusted, and the water level of each ballast tank measured in the ship and the draft of the ship Stable work can be automatically supplied / discharged according to the ballast water determined in the ballast tank to be adjusted in accordance with the work order of the automatically calculated ballasting / deballasting even if a change occurs in the vessel receiving and working The present invention relates to a ballasting system of a ship and an automatic ballasting method thereof.

Conventionally, the ballasting system of a vessel is disclosed in Korean Patent Publication No. 2010-0084435, "Ship Ballast System" filed by the applicant (Samsung Heavy Industries Co., Ltd.).

The prior art, including the patent, for each tank of the ballast tank group, the ballast tank group including a double bottom ballast tank group horizontally disposed on the bottom of the ship and a side ballast tank group vertically disposed inside the outer wall of the hull Multiple (eg two) pumps for supplying and discharging ballast water, piping systems between the ballast tank group and pumps and outboard seawater and having multiple on / off valves, and inside each tank of the tank group It consists of a plurality of discharge conduits for discharging the ballast water overflowing the filled air and out of the tank.

In such a conventional ballast system, the piping system consists of two types of tank groups constituting the ballast tank group, namely, a double bottom ballast tank group horizontally located below the sea level and a side vertically located above and below the sea level. Both ballast water supply and discharge to the ballast tank group is configured to be carried out entirely by pumps which the operator directs / operates.

In other words, two main conduits are formed between the entire ballast tank group and branch pipes are formed to each tank, and the two main conduits are connected in any combination with the two pumps through a plurality of connecting conduits. All the pumps are configured to be used for supplying ballast water to all tanks in the ballast tank group.

However, in the case of working ships such as drillships or rig ships, the attitude and draft of the ship are frequently changed due to the variation of various loads (drilling loads, drilling fluids, oils consumed, etc.) during the work. It is necessary to maintain posture and draft automatically during work for stability and efficiency, and a ballasting system is required to maintain this posture automatically.

In particular, it is cumbersome for the operator to continuously or periodically monitor the conditions that change from time to time, and according to the monitoring result, a certain amount of the ballast tanks in the ship according to the monitoring result. It is inconvenient to determine whether the ballast water should be supplied / discharged and adjust the ballast pump and the valve connected to the ballast tank one by one.

In addition, it is necessary to confirm in advance whether the working conditions of the workers meet the requirements of the classification and international codes and the structural strength of the ship. If control is carried out outside the prescribed conditions, it may cause a big problem in maintaining the attitude of the ship. In addition, the operation of ballasting / deballasting through misjudgement of an inexperienced worker may result in a sudden drop in stability during the process, which may cause serious problems in stability.

The object of the present invention is to automatically calculate the supply of the required ship status information and identification of the ballast tank to be adjusted, the ballast tank level and the draft of the ballast measured on the vessel even if the change occurs in the vessel in operation Ballasting system of ship and its automatic ballasting that can be supplied / discharged automatically according to the supply / discharge amount of ballast water determined in the ballast tank to be adjusted according to the work order of 'Ballasting / Deballasting' for stable work In providing a method.

According to an embodiment of the present invention for achieving the above object, in the ballasting system of the ship for supplying and discharging the ballast water to the ballast water tank through a ballast pump and valve, installed in the ballast tank of the ballast tank A water level meter for measuring the water level; Draft measuring device for measuring the draft of the vessel; Required ship status information received from the outside, identification information of the ballast tank to be adjusted, identification information of the ballast tank to be adjusted using the information measured from the water level and draft gauge, ballast water supply / discharge amount and supply / discharge operation sequence by identification information A terminal device for determining the; And transmitting the information received from the water level and draft gauge to the terminal device, and supplying / discharging the ballast water by the supply amount / discharge amount in the corresponding ballast tank according to the work order determined by the terminal device. A ship ballasting system is provided that includes an integrated control device for controlling.

The required ship state information preferably includes at least one of a draft, a trim, and a heel for maintaining the attitude of the ship.

The terminal device determines that the determined result is unsatisfactory when the determined result is out of a predetermined range based on the received request vessel status information, identification information of the ballast tank to be adjusted, and information measured from the water level and draft gauge as an input condition. Preferably, the notification information is transmitted to the operator terminal.

The integrated control device is a first ballast pump for supplying seawater to the ballast tank from the sea chest, a second ballast pump for discharging the ballast water of the ballast tank into the sea area, the first and second ballast pump and the corresponding ballast tank is connected Preferably, the first and second valves installed in the pipes are connected to be controllable.

The work sequence starts with a ballast tank installed near the center of the ship to minimize the generation of the moment of inclination of the ship during ballasting / deballasting of the seawater, and a pair of ballast tanks symmetrically from the center of the ship. It is preferable that the feeding (Ballasting) and the discharge (Deballasting) is performed at the same time.

According to another embodiment of the present invention, a ballasting method of a ballasting system of a ship that supplies and discharges ballast water to a ballast water tank through a ballast pump and a valve, identifying required ship state information from outside and identifying a ballast tank to be adjusted. Receiving information; Receiving the water level for each ballast tank and the draft of the vessel; The received vessel status information, identification information of the ballast tank to be adjusted, identification information of the ballast tank to be adjusted using the water level of the ballast tank and the draft of the vessel, ballast water supply / discharge amount and supply / discharge operation sequence by identification information Determining; And controlling the ballast pump and the valve to supply / discharge the ballast water by the supply amount / discharge amount in the corresponding ballast tank according to the determined work order.

The required ship state information preferably includes at least one of a draft, a trim, and a heel for maintaining the attitude of the ship.

The determining may include determining that the result of the determination is unsatisfactory when the result determined by the received request ship state information, identification information of the ballast tank to be adjusted, the water level of the ballast tank, and the draft of the vessel falls outside a predetermined range. It is preferable to include the step of transmitting the notification information to inform the operator terminal.

In addition, according to another embodiment of the present invention, in the ballasting system of the ship supplying and discharging the ballast water to the ballast tank through the ballast pump and valve, the required vessel status information from the outside and identification information of the ballast tank to be adjusted Receiving unit for receiving and receiving the water level and the draft of the vessel for each ballast tank installed in the vessel; The received vessel status information, identification information of the ballast tank to be adjusted, identification information of the ballast tank to be adjusted using the water level for each ballast tank, and the draft of the vessel, the ballast water supply / discharge amount and supply / discharge operation sequence for each identification information Determination unit for determining; Identification information of the determined ballast tank to supply / discharge the ballast water by the supply amount / discharge amount in the corresponding ballast tank according to the determined work order, the ballast water supply amount / discharge amount of the ballast tank corresponding to the identification information, and the work order Provided is a ballasting system of a ship including a transmission unit for transmitting the integrated control device.

According to the present invention, the required ship condition information of the ship and the identification information of the ballast tank to be adjusted, the ballast tank level measured by the vessel and the draft of the vessel is received and the calculated automatically even if the change occurs in the working vessel supply / discharge automatically calculated (Ballasting / Deballasting) It is possible to automatically supply / discharge as much as supply / discharge amount of ballast water determined in the ballast tank to be adjusted according to the work order, so that stable work can be performed.

In addition, according to the present invention, the water level and draft for each ballast tank of the ship, the required vessel status information received from the operation terminal and the identification information of the ballast tank to be adjusted as an input condition to determine whether the result determined outside the predetermined range operation There is also an effect of preventing a malfunction that may occur by feeding back a result to the user terminal.

1 is a view for explaining a ballasting system of a ship according to an embodiment of the present invention,
FIG. 2 is a block diagram illustrating the terminal device shown in FIG. 1; and
3 is a flowchart illustrating an automatic ballasting method of a ballasting system of a ship according to an embodiment of the present invention.

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

1 is a view illustrating a ballasting system of a ship according to an embodiment of the present invention, Figure 2 shows a block diagram for explaining the terminal device shown in FIG.

Referring to Figure 1 is a ballasting system of the ship according to an embodiment of the present invention is a system that can maintain the attitude of the ship by supplying / discharging the ballast water in the ballast tank in accordance with conditions that change from time to time, It can be largely configured to include the operator terminal 11, the terminal device 13 and the integrated control device 15.

The operator terminal 11 is a device capable of designating, by the operator, the required ship state information and identification information of the ballast tank to be adjusted according to the working condition, and may include an input device such as a keyboard, a mouse, and a joystick. In this case, the required ship state information may include at least one of draft, trim, and heel. Draft refers to the height of the ship from the bottom to sea level, trim refers to the degree of inclination of the ship in the longitudinal direction, the difference in draft between the stern and the bow, and heel is the extent to which the ship is inclined in the width direction. The difference between the draft and starboard.

The terminal device 13 is communicatively connected to the operator terminal 11 and may exchange information with each other through a wired or wireless communication method.

This terminal device 13 receives the required ship state information and identification information of the ballast tank to be adjusted from the operator terminal 11. In addition, the terminal device 13 is also communicatively connected to the integrated control device 15, and receives the water level for each ballast tank and the draft of the ship from the integrated control device 15. Identification information of the ballast tank may include a unique number for identifying the ballast tank, the installation position in the vessel.

The terminal device 13 uses the information received in this way, the required ship state information, the identification information of the ballast tank to be adjusted, the ballast water supply amount / discharge amount and supply / discharge according to the ballast tank to be adjusted using the water level for each ballast tank and the draft of the ship. The work order is determined and the determined result is transmitted to the integrated control device 15. The work flow starts with a ballast tank installed near the center of the ship to minimize the generation of warp moments during ballasting / deballasting and is supplied as a pair of ballast tanks symmetrically from the center of the ship. Ballasting) and deballasting are performed at the same time, it is preferable that the ballast water is supplied to the ballast tank or discharged from the ballast tank while maintaining the attitude change of the ship to a minimum.

Referring to FIG. 2, the terminal device 13 includes a receiver 131, a determiner 132, a transmitter 133, a memory 134, and the like.

The receiver 131 receives the water level for each ballast tank and the draft of the ship transmitted from the integrated control device 15, and receives the required ship state information input from the operator terminal 11 and identification information of the ballast tank to be adjusted.

Determining unit 132 how much to any ballast tank using the information received by the receiving unit 131, that is, the water level for each ballast tank installed in the vessel, the draft of the vessel, the required vessel status information and the identification information of the ballast tank to be adjusted Identification of the ballast tank to be adjusted, the ballast water supply / discharge amount by identification information, and the supply / discharge amount from the ballast tank at which position to supply the ballast water and to indicate how much ballast water from the ballast tank Determine the work schedule to indicate whether to supply or discharge.

Also, the determination unit 132 may determine whether the result determined based on the received information as an input condition is out of a predetermined range, and provide the operator terminal 11 with notification information indicating that the result is unsatisfactory. have. Accordingly, it is possible to confirm in real time whether the ship's stable posture can be maintained by the required ship state information input from the operator terminal 11 and the identification information of the ballast tank to be adjusted.

The predetermined range includes stability and structural strength of the ship, and stability is determined by the rules required by the Society according to the ship type and contracts, international regulations and regulations required by the relevant country. Can be determined within the global strength limits specified by the Society through design criteria and calculations of the ship.

The memory 134 may temporarily store the ballast water supply / discharge amount and the work order determined in response to the water level for each ballast tank received from the water level gauge, the draft of the ship, the required ship status information, the identification information of the ballast tank to be adjusted, and the identification information. have. In addition, the memory 134 stores the range of stability and strength required by the Society according to the ship type and contract, and may store the work order and the supply / discharge amount of the previously prepared supply / discharge.

The transmission unit 133 transmits the identification information of the ballast tank, the ballast water supply / discharge amount for each identification information, and the work order of supply / discharge to the integrated control device 15 determined by the determination unit 132.

The integrated control device 15 controls the ballasting device 17 to supply / discharge the ballast water from the ballast tank according to the result received from the terminal device 13, that is, according to the work order of supply / discharge. The ballasting device 17 includes first and second ballast tanks 171a and 172b, and a first for supplying / discharging ballast water from the sea chest C and the first and second ballast tanks 171a and 172b. And first and second valves B1 and B2 for controlling supply / discharge of ballast water to the first and second ballast tanks 171a and 172a, and the second ballast pumps P1 and P2.

The integrated control device 15 receives the draft of the vessel measured from the draft measuring unit 14 for measuring the draft of the vessel and transmits the draft of the vessel to the terminal device 13 described above. In addition, the integrated control device 15 is installed in the ballast tanks (171a, 172a) installed in the vessel integrated control with the water level measured from the water level measuring instruments (171b, 172b) for measuring the water level of the ballast tank together with the identification information of the corresponding ballast tank. To the device 15. Accordingly, the terminal device 13 may collect the water level for each ballast tank and the draft of the ship from the integrated control device 15.

In this case, the draft gauge 14 may vary depending on the design criteria, but may be installed at each bow / stern of the ship, one at each port / starboard of the ship, and the bow / stern, port / starboard of the lower structure according to the ship type. A total of four may be installed, one for each. The level gauges 171b and 172b are installed in all tanks as well as ballast tanks storing the ballast water to measure the height of the fluid in the tank. That is, the water level, which is the height of the ballast water filled from the bottom of the ballast tanks 171a and 172a, is measured and transmitted to the integrated control device 15. The terminal device 13 receiving the water level from the integrated control device 15 determines the volume to be supplied / discharged to the current ballast tank by using the water level in the ballast tank.

In addition, the integrated control device 15 controls the corresponding ballast pump and valve to supply / discharge the ballast water by the supply amount / discharge amount determined in the ballast tank in accordance with the work order received from the terminal device 13. As a result, the attitude of the ship can be automatically and stably maintained even under changing working conditions from time to time.

In FIG. 1, two ballast tanks, ie, first and second ballast tanks 171a and 172a, ballast pumps P1 and P2, and valves B1 and B2, are installed in a ship, but this is illustrated. Only ships may be equipped with a plurality of ballast tanks and ballast pumps and valves.

The integrated control device 15 supplies the first ballast pump P1 to supply the ballast water to the corresponding ballast tank, for example, the first ballast tank 171a, based on the work order received from the terminal device 13. To control and open the first valve (B1) installed in the pipe connected to the first ballast pump (P1). Accordingly, the first ballast pump P1 allows the seawater having passed through the sea chest C to be supplied to the first ballast tank 171a via the first valve B1.

In addition, the integrated control device 15 drives the second ballast pump P2 and is connected to the second ballast pump P2 in order to discharge the ballast water from the corresponding ballast tank, for example, the second ballast tank 172a. Control to open the second valve (B2) provided in the pipe. Accordingly, the second ballast pump P2 sends the ballast number stored in the second ballast tank 172a to the sea area via the second valve B2.

The ballasting method of the ballasting system of the ship configured as described above will be described with reference to FIG.

3 is a flowchart illustrating an automatic ballasting method of a ballasting system of a ship according to an exemplary embodiment of the present invention.

Referring to FIG. 3, the terminal device 13 receives the required ship state information and identification information of the ballast tank to be adjusted from the operator terminal 11 (S11).

The terminal device 13 measures the water level for each ballast tank measured from the water level meter for each ballast tank installed in the ship from the integrated control device 15, and from the draft meter installed in at least one of the bow, stern, center, port, starboard of the ship. Receive the draft of the ship (S13). At this time, the integrated control device 15 is connected to the draft measuring unit 14, and receives the measured draft at the request of the periodic or integrated control device 15 and transmits to the terminal device (13). In addition, the integrated control device 15 receives the water level for each ballast tank measured from the water level meter provided for each ballast tank installed in the ship periodically or at the request of the integrated control device 15 to the terminal device (13).

Steps S11 and S13 described above are not limited to the order thereof, and can be sufficiently implemented only if received before step S15 described later.

The terminal device 13 determines the identification information of the ballast tank to be adjusted, the ballast water supply / discharge amount for each identification information, and the work order of supply / discharge using the information received through steps S11 and S13 described above (S15). In detail, the terminal device 13 may determine the volume to be supplied / discharged to the current ballast tank by using the water level in the corresponding ballast tank and the draft of the vessel. The work flow starts with a ballast tank installed near the center of the ship to minimize the generation of warp moments during ballasting / deballasting and is supplied as a pair of ballast tanks symmetrically from the center of the ship. Ballasting) and deballasting may be performed in the same order.

At this time, the terminal device 13 determines whether it is out of a predetermined range by using the received information as an input condition, and if not, transmits the notification information indicating that the result is unsatisfactory to the operator terminal 11 and inputted by the operator. Feedback can be provided on the required ship status information and on the identification of the ballast tank to be calibrated. Accordingly, the operator can check the result of the received information before starting the work.

The terminal device 13 transmits the determined result, that is, the identification information of the ballast tank to be adjusted, the ballast water supply / discharge amount per identification information, and the work order of supply / discharge to the integrated control device 15.

The integrated control device 15 is provided with the corresponding ballast pump of the ballast device 17 to supply / discharge the ballast water supply / discharge amount determined in the ballast tank according to the result determined from the terminal device 13, that is, the work order of supply / discharge. The valve is controlled (S17). The ballast device 17 drives the first ballast pump P1 at the time of supply so that seawater having passed through the sea chest C is supplied to the first ballast tank 171a, and at the time of discharge, drives the second ballast pump P2. The ballast water stored in the second ballast tank 172a is discharged to the sea area by the determined discharge amount.

Accordingly, the ballast water is automatically supplied / discharged to the ballast tank in accordance with the ship's condition such as drill ships and drill rigs, in which the working conditions change frequently, and the ship's posture is automatically maintained to maintain stable work effectively. It can eliminate the risk of malfunction of the operator.

The present invention is not limited to the embodiments described above, and various modifications and changes can be brought by those skilled in the art, which are included in the spirit and scope of the present invention as defined in the appended claims.

11: operator terminal 13: terminal device
14 Draft Meter 15 Integrated Control Device
17 ballast device
171a, 172a: first and second ballast tanks
171b, 172b: first and second water level meters
B1, B2: first and second valve C: sea chest
P1, P2: first and second ballast pump

Claims (9)

In a ballasting system of a ship that supplies and discharges ballast water to a ballast water tank through a ballast pump and a valve,
A water level meter installed in the ballast tank to measure the level of the ballast tank;
Draft measuring device for measuring the draft of the vessel;
Required ship status information received from the outside, identification information of the ballast tank to be adjusted, identification information of the ballast tank to be adjusted using the information measured from the water level and draft gauge, ballast water supply / discharge amount and supply / discharge operation sequence by identification information Terminal device for determining; And
The ballast pump and valve are controlled to transmit the information received from the water level and draft gauge to the terminal device, and to supply / discharge the ballast water by the supply amount / discharge amount in the corresponding ballast tank according to the work order determined by the terminal device. Ship ballasting system comprising an integrated control device. The method according to claim 1,
The required ship state information includes at least one of draft, trim and heel for maintaining the attitude of the vessel. The method according to claim 1 or 2,
The terminal device determines that the determined result is unsatisfactory when the determined result is out of a predetermined range based on the received request vessel status information, identification information of the ballast tank to be adjusted, and information measured from the water level and draft gauge as an input condition. Ballasting system of the ship, characterized in that for transmitting the notification information to the operator terminal. The method according to claim 1,
The integrated control device is a first ballast pump for supplying seawater to the ballast tank from the sea chest, a second ballast pump for discharging the ballast water of the ballast tank into the sea area, the first and second ballast pump and the corresponding ballast tank is connected The ballasting system of the ship, characterized in that connected to the control each of the first and second valves installed in the pipe. The method according to claim 1,
The work sequence starts with a ballast tank installed near the center of the ship that minimizes the occurrence of the incline moment of the ship during ballasting / deballasting of the seawater. Ballasting system of the ship, characterized in that the simultaneous (Ballasting) and the discharge (Deballasting) is performed. Ballasting method of ballasting system of ship that supplies and discharges ballast water to ballast water tank through ballast pump and valve,
Receiving identification information of a ballast tank to be adjusted from a request vessel state information from the outside;
Receiving the water level for each ballast tank and the draft of the vessel;
The received vessel status information, identification information of the ballast tank to be adjusted, identification information of the ballast tank to be adjusted using the water level of the ballast tank and the draft of the vessel, ballast water supply / discharge amount and supply / discharge operation sequence by identification information Determining; And
And controlling the ballast pump and the valve to supply / discharge ballast water by the supply amount / discharge amount in the corresponding ballast tank according to the determined work order. The method of claim 6,
The required ship state information includes at least one of draft, trim and heel for maintaining the attitude of the ship. The method of claim 6,
The step of determining
Manipulate the notification information indicating that the decision result is unsatisfactory when the determined result is out of a predetermined range based on the received request ship state information, identification information of the ballast tank to be adjusted, water level of the ballast tank, and draft of the ship. Automatic ballasting method of the ballasting system of a ship comprising the step of transmitting to the user terminal. In a ballasting system of a ship that supplies and discharges ballast water to a ballast water tank through a ballast pump and a valve,
Receiving unit for receiving the required vessel status information and identification information of the ballast tank to be adjusted from the outside, and receives the water level for each ballast tank installed in the vessel and the draft of the vessel;
The received vessel status information, identification information of the ballast tank to be adjusted, identification information of the ballast tank to be adjusted using the water level for each ballast tank, and the draft of the vessel, the ballast water supply / discharge amount and supply / discharge operation sequence for each identification information Determination unit for determining; And
Identification information of the determined ballast tank to supply / discharge the ballast water by the supply amount / discharge amount in the corresponding ballast tank according to the determined work order, the ballast water supply amount / discharge amount of the ballast tank corresponding to the identification information, and supply / discharge Ballasting system of a ship comprising a transmission unit for transmitting the work order of the integrated control device.

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