CN216805760U - Environment-friendly energy-saving ballast water injection and discharge system - Google Patents
Environment-friendly energy-saving ballast water injection and discharge system Download PDFInfo
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- CN216805760U CN216805760U CN202220448614.6U CN202220448614U CN216805760U CN 216805760 U CN216805760 U CN 216805760U CN 202220448614 U CN202220448614 U CN 202220448614U CN 216805760 U CN216805760 U CN 216805760U
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Abstract
The environment-friendly and energy-saving type ballast water injection and discharge system comprises a top side ballast tank, a bottom side ballast tank, a bow peak tank and a fire-fighting main pipe, wherein the bow peak tank and the bottom side ballast tank are respectively connected to a ballast pump through valve lines, the ballast pump is connected to seawater through a seawater main pipe, the fire-fighting main pipe is connected with a fire-fighting water pump through a valve line, the fire-fighting water pump is connected with the seawater main pipe through a valve line, the fire-fighting main pipe is provided with a branch pipe, the branch pipe is communicated with the top side ballast tank, and the branch pipe is provided with a stop valve; a drain valve is arranged on the side of the topside of the lower part of the top side ballast tank; the top side ballast tank of the utility model adopts the modes of fire pump injection and gravity discharge to carry out water injection and drainage, can reduce the use of ballast pumps, is convenient for pipeline arrangement, can shorten the water discharge and injection time of ballast water, shorten the time of leaving and leaning on a wharf under the condition of not changing the total amount of the ballast water of the ship, improves the economy of the ship, saves the turnover rate of the wharf, and saves the investment cost and the operation cost.
Description
Technical Field
The utility model relates to the technical field of ship mechanical design, in particular to an environment-friendly and energy-saving ballast water injection and discharge system.
Background
With the improvement of the requirement of ship environmental protection and energy conservation, the innovation of a ship design concept and the pursuit of shipping companies on ship economy, how to shorten ballast water discharge and injection time, shorten time for leaving and leaning to a dock and improve ship economy and dock turnover rate under the condition of unchanged total ballast water amount becomes a new problem faced by ship design.
In a traditional single-side bulk cargo ship, a ballast pipe of a ballast tank at the top side of a cargo hold area is usually connected to a main pipe for pipe ballast water or a main pipe for cabin ballast water after passing through the cargo hold, the discharge capacity of a ballast pump is generally required to be increased to shorten ballast water discharge and injection time, but the diameter of a seawater main pipe and accessories are increased by the connection mode, so that the pipeline arrangement of a ship cabin is very difficult, and more importantly, the investment cost of a shipowner and the daily energy consumption of the ship are increased, and the discharge amount of carbon dioxide is increased.
SUMMERY OF THE UTILITY MODEL
The utility model aims to solve the technical problem that water injection and drainage of the top side ballast tank are carried out by adopting a top side ballast tank ballast water fire pump injection and gravity discharge mode, so that the ballast water discharge and injection time is shortened under the condition that the total amount of the ship ballast water is not changed.
The technical scheme adopted by the utility model for solving the technical problems is as follows:
the environment-friendly and energy-saving type ballast water injection and discharge system comprises a top side ballast tank, a bottom side ballast tank, a bow peak tank and a fire-fighting main pipe, wherein the bow peak tank and the bottom side ballast tank are respectively connected to a ballast pump through valve lines, the ballast pump is connected to seawater through a seawater main pipe, the fire-fighting main pipe is connected with a fire-fighting water pump through a valve line, the fire-fighting water pump is connected with the seawater main pipe through a valve line, the fire-fighting main pipe is provided with a branch pipe, the branch pipe leads to the top side ballast tank, and the branch pipe is provided with a stop valve; and a drain pipe used for leading to the outside is arranged on the side of the lower part of the top edge ballast tank, and the drain pipe is connected with a drain valve.
Preferably, the drain valve is connected with a drain valve operating mechanism, and the drain valve operating mechanism extends upwards to the upper part of the top edge ballast tank and is connected with the operating head.
Preferably, the shut-off valve is a manual shut-off valve.
Preferably, the bottom surface of the top-side ballast tank is inclined in the direction of the drain pipe.
Preferably, the top edge ballast tank comprises a left top edge ballast tank and a right top edge ballast tank; the bottom edge ballast tank comprises a left bottom edge ballast tank and a right bottom edge ballast tank.
Preferably, the number of the top edge ballast tanks and the number of the bottom edge ballast tanks are respectively 4 pairs.
Preferably, the fore peak compartment and the bottom side ballast compartment are respectively connected with the fore peak compartment ballast branch pipe and the bottom side ballast compartment ballast branch pipe, the fore peak compartment ballast branch pipe and the bottom side ballast compartment ballast branch pipe are respectively connected with the ballast main pipe, and the ballast main pipe is connected with the ballast pump; the bottom side ballast tank branch pipe is provided with a remote control valve, and the fore peak tank ballast branch pipe is provided with a manual valve.
Preferably, the nominal diameter of the fore peak ballast branch pipe, the bottom side ballast branch pipe, the remote control valve and the manual valve is 250mm, and the nominal diameter of the ballast main pipe is 350 mm.
Preferably, the number of the ballast pumps is two, and each ballast pump has a displacement of 720m3/h。
Preferably, the nominal diameter of the seawater main is 350 mm.
Compared with the prior art, the utility model has the beneficial effects that:
the top side ballast tank is filled with water and drained by adopting a fire pump injection and gravity drainage mode, so that the use of a ballast pump can be reduced, the pipeline arrangement is convenient, the ballast water discharge and injection time can be shortened, the time for leaving and leaning against a wharf is shortened under the condition that the total amount of the ship ballast water is not changed, the economy of the ship is improved, the turnover rate of the wharf is saved, the investment cost and the operation cost are saved, and the economic value is brought to shipowners.
Drawings
Fig. 1 is a schematic view showing the distribution of top-side ballast tanks of the environment-friendly and energy-saving ballast water injection and discharge system of the present invention.
FIG. 2 is a schematic view showing the distribution of bottom ballast tanks and fore-peak tanks of the environment-friendly and energy-saving ballast water injection and discharge system of the present invention.
Fig. 3 is a schematic structural view of a top-side ballast tank of the environment-friendly and energy-saving ballast water injection and discharge system of the present invention.
Reference numerals: 1. a top edge ballast tank; 11. a left top edge ballast tank; 12. a right top edge ballast tank; 2. a cargo compartment; 3. a main fire hose; 31. a stop valve; 32. a branch pipe; 41. a manipulation head; 42. a drain valve operating mechanism; 43. a drain pipe; 44. a drain valve; 51. a left bottom edge ballast tank; 52. a right bottom ballast tank; 6. a stem apex; 7. a ballast main pipe; 8. a remote control valve; 9. a suction inlet; 10. and (4) a manual valve.
Detailed Description
The utility model is described in further detail below with reference to the accompanying examples.
As shown in fig. 1 to 3, the environment-friendly and energy-saving ballast water injection and discharge system comprises a top side ballast tank 1, a bottom side ballast tank, a fore peak tank 6 and a fire main pipe 3, wherein the top side ballast tank 1 comprises a left top side ballast tank 11 and a right top side ballast tank 12, and a cargo hold 2 is arranged between the left top side ballast tank 11 and the right top side ballast tank 12; the bottom edge ballast tank comprises a left bottom edge ballast tank 51 and a right bottom edge ballast tank 52; the number of the top edge ballast tanks 1 is 4 pairs, and the total pressure water carrying capacity is 2500m3(ii) a The number of the bottom edge ballast tanks is 4 pairs, the number of the stem apex tanks 6 is 1, and the total pressure water carrying capacity of the bottom edge ballast tanks and the stem apex tanks 6 is 6093m3。
The fore peak compartment 6 and the bottom side ballast compartment are respectively provided with a suction inlet 9, the suction inlets 9 of the fore peak compartment 6 and the bottom side ballast compartment are respectively connected with a fore peak compartment ballast branch pipe and a bottom side ballast compartment ballast branch pipe, the fore peak compartment ballast branch pipe and the bottom side ballast compartment ballast branch pipe are respectively connected with a ballast main pipe 7, the bottom side ballast compartment ballast branch pipe is provided with a remote control valve 8, and the fore peak compartment ballast branch pipe is provided with a manual valve 10; the ballast main pipe 7 is connected to a ballast pump; the number of the ballast pumps is two, eachPlatform displacement of 720m3H; the ballast pump is connected with a seawater main pipe through a valve line, and the seawater main pipe is connected to seawater; nominal diameters of the fore peak ballast branch pipe, the bottom side ballast branch pipe, the remote control valve 8, the suction inlet 9 and the manual valve 10 are 250 mm; the nominal diameter of the ballast main pipe is 350 mm; the nominal diameter of the seawater main pipe is 350 mm.
The main fire fighting pipe 3 is connected with a fire fighting water pump through a valve line, and the nominal diameter of the main fire fighting pipe is 150 mm; the fire pump is connected with the seawater main pipe through a valve line; the fire main 3 is provided with a branch pipe 32, the branch pipe 32 leads to the top side ballast tank 1, the branch pipe 32 is provided with a stop valve 31, the nominal diameter of the stop valve is 150mm, and the stop valve 31 is a manual stop valve 31; a drain pipe 43 which is used for leading to the outside is arranged on the side of the lower part of the top edge ballast tank 1, a drain valve 44 is arranged on the drain pipe 43, and the nominal diameters of the drain pipe 43 and the drain valve 44 are 200 mm; the drain valve 44 is connected with the drain valve operating mechanism 42, and the drain valve operating mechanism 42 extends upwards to the upper part of the top edge ballast tank 1 and is connected with the operating head 41; and the top side tank ballast water is injected and drained in a fire pump injection and lower side gravity drainage mode.
Calculating according to a calculation formula given in ' Ship design practical Manual turbine brochure ' published by national defense industry publishers that the required drainage time is 1.25 times of ballast water volume/total displacement of the pump ', wherein when the top side ballast tank adopts a fire pump injection and gravity discharge mode, the required time is the time for filling or emptying the ballast water volume of the bottom side ballast tank by the ballast pump, and the required time is calculated to be 5.29 h; if the conventional mode is adopted, namely the ballast pipe of the top side ballast tank 1 passes through the cargo hold 2 and then is connected to the pipe ballast water main pipe or the cabin ballast water main pipe, the required time is the time for filling or emptying the ballast water amount of the whole ballast tank by the ballast pump, which is calculated as 7.45h, and if the conventional mode is adopted, two ballast pumps are used for filling or emptying the ballast water amount of the whole ballast tank for 5.29h, the discharge capacity of each ballast pump at least needs 1014m3The discharge capacity of a ballast pump is 1080m according to the equipment selection manual3Motor power is increased from 55kW to 90kW, the ballast main pipe and valve accessories in the main pipe are increased from DN350 to DN400, and the pressure of each tank is increasedThe carrier pipe and the valve 8 are increased from DN250 to DN300, and meanwhile, great difficulty is brought to pipeline arrangement; by adopting the new method, the investment of the ballast pump can be saved by about 6 thousands, and the investment of the discharge and injection valve 8 of the top and bottom side tanks can be saved by about 3.2 thousands in the same discharge and injection time, thereby not only facilitating the pipeline arrangement, but also saving the investment cost and the operation cost.
The top-side ballast tank disclosed by the utility model is filled with water and drained by adopting a fire pump injection and gravity drainage mode, so that the use of a ballast pump can be reduced, the pipeline arrangement is convenient, the ballast water discharge and injection time can be shortened under the condition that the total amount of ballast water is not changed, the time for leaving and leaning against a wharf is shortened, the economy of a ship is improved, the turnover rate of the wharf is saved, the investment cost and the operation cost are saved, and the economic value is brought to shipowners.
Finally, it should be noted that: the above examples are merely illustrative of the technical solutions of the present invention, and not limitative thereof; although the present invention has been described in detail with reference to the foregoing embodiments, it will be understood by those of ordinary skill in the art that: the technical solutions described in the foregoing embodiments may still be modified, or some technical features may be equivalently replaced; and such modifications or substitutions do not depart from the spirit and scope of the corresponding technical solutions of the embodiments of the present invention.
Claims (10)
1. The environment-friendly and energy-saving type ballast water injection and discharge system comprises a top side ballast tank, a bottom side ballast tank, a bow peak tank and a fire-fighting main pipe, wherein the bow peak tank and the bottom side ballast tank are respectively connected to a ballast pump through valve lines, the ballast pump is connected to seawater through a seawater main pipe, the fire-fighting main pipe is connected with a fire-fighting water pump through the valve lines, and the fire-fighting water pump is connected with the seawater main pipe through the valve lines; and a drain pipe used for leading to the outside is arranged on the side board at the lower part of the top edge ballast tank and is connected with a drain valve.
2. The eco-friendly and energy-saving ballast water feeding and discharging system according to claim 1, wherein the drain valve is connected to a drain valve operating mechanism extending upward above the top-side ballast tank and connected to the operating head.
3. The eco-friendly and energy-saving ballast water feeding and discharging system according to claim 1, wherein the shut-off valve is a manual shut-off valve.
4. The eco-friendly and energy-saving ballast water feeding and discharging system as set forth in claim 1, wherein the bottom surface of the top-side ballast tank is inclined toward the drain pipe.
5. The eco-friendly and energy-saving ballast water injection and discharge system according to claim 1, wherein the top-side ballast tank comprises a left top-side ballast tank, a right top-side ballast tank; the bottom edge ballast tank comprises a left bottom edge ballast tank and a right bottom edge ballast tank.
6. The eco-friendly and energy-saving ballast water feeding and discharging system according to claim 5, wherein the number of the top-side ballast tank and the bottom-side ballast tank is 4 pairs each.
7. The environment-friendly and energy-saving ballast water injection and discharge system according to claim 1, wherein the fore peak tank and the bottom ballast tank are respectively connected with a fore peak tank ballast branch pipe and a bottom ballast tank ballast branch pipe, the fore peak tank ballast branch pipe and the bottom ballast tank ballast branch pipe are respectively connected with a ballast main pipe, and the ballast main pipe is connected with a ballast pump; the bottom side ballast tank branch pipe is provided with a remote control valve, and the fore peak tank ballast branch pipe is provided with a manual valve.
8. The eco-friendly and energy-saving ballast water injection and discharge system as claimed in claim 7, wherein nominal diameters of the fore peak ballast branch pipe, the bottom ballast branch pipe, the remote control valve, and the manual valve are 250mm, and nominal diameters of the ballast main pipes are 350 mm.
9. The eco-friendly and energy-saving ballast water feeding and discharging system according to claim 7, wherein the number of the ballast pumps is two, and each discharge capacity is 720m3/h。
10. The eco-friendly and energy-saving ballast water injection and discharge system as claimed in claim 1, wherein the nominal diameter of the seawater main conduit is 350 mm.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202220448614.6U CN216805760U (en) | 2022-03-03 | 2022-03-03 | Environment-friendly energy-saving ballast water injection and discharge system |
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| Application Number | Priority Date | Filing Date | Title |
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| CN202220448614.6U CN216805760U (en) | 2022-03-03 | 2022-03-03 | Environment-friendly energy-saving ballast water injection and discharge system |
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| CN216805760U true CN216805760U (en) | 2022-06-24 |
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| CN202220448614.6U Active CN216805760U (en) | 2022-03-03 | 2022-03-03 | Environment-friendly energy-saving ballast water injection and discharge system |
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- 2022-03-03 CN CN202220448614.6U patent/CN216805760U/en active Active
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