CN114506412A - Floating type extra-large displacement seawater supply device - Google Patents
Floating type extra-large displacement seawater supply device Download PDFInfo
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- CN114506412A CN114506412A CN202210128104.5A CN202210128104A CN114506412A CN 114506412 A CN114506412 A CN 114506412A CN 202210128104 A CN202210128104 A CN 202210128104A CN 114506412 A CN114506412 A CN 114506412A
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- 239000013535 sea water Substances 0.000 title claims abstract description 74
- 238000006073 displacement reaction Methods 0.000 title claims description 8
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims abstract description 197
- 230000008676 import Effects 0.000 claims abstract 4
- 229910000831 Steel Inorganic materials 0.000 claims description 21
- 239000010959 steel Substances 0.000 claims description 21
- 238000002955 isolation Methods 0.000 claims description 6
- 239000012535 impurity Substances 0.000 claims description 3
- 238000004519 manufacturing process Methods 0.000 claims description 3
- 229910001220 stainless steel Inorganic materials 0.000 claims description 3
- 239000010935 stainless steel Substances 0.000 claims description 3
- 238000009423 ventilation Methods 0.000 claims description 2
- 239000000446 fuel Substances 0.000 abstract description 11
- 238000012423 maintenance Methods 0.000 abstract description 11
- 238000001816 cooling Methods 0.000 abstract description 6
- 239000000498 cooling water Substances 0.000 description 4
- 239000007788 liquid Substances 0.000 description 4
- 238000010586 diagram Methods 0.000 description 3
- 230000005611 electricity Effects 0.000 description 3
- 230000000903 blocking effect Effects 0.000 description 2
- 238000005034 decoration Methods 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 239000008400 supply water Substances 0.000 description 2
- 238000004378 air conditioning Methods 0.000 description 1
- 230000008859 change Effects 0.000 description 1
- 238000006243 chemical reaction Methods 0.000 description 1
- 239000002828 fuel tank Substances 0.000 description 1
- 230000006872 improvement Effects 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 230000008569 process Effects 0.000 description 1
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Classifications
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B63—SHIPS OR OTHER WATERBORNE VESSELS; RELATED EQUIPMENT
- B63B—SHIPS OR OTHER WATERBORNE VESSELS; EQUIPMENT FOR SHIPPING
- B63B13/00—Conduits for emptying or ballasting; Self-bailing equipment; Scuppers
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B63—SHIPS OR OTHER WATERBORNE VESSELS; RELATED EQUIPMENT
- B63H—MARINE PROPULSION OR STEERING
- B63H21/00—Use of propulsion power plant or units on vessels
- B63H21/38—Apparatus or methods specially adapted for use on marine vessels, for handling power plant or unit liquids, e.g. lubricants, coolants, fuels or the like
- B63H21/383—Apparatus or methods specially adapted for use on marine vessels, for handling power plant or unit liquids, e.g. lubricants, coolants, fuels or the like for handling cooling-water
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B63—SHIPS OR OTHER WATERBORNE VESSELS; RELATED EQUIPMENT
- B63B—SHIPS OR OTHER WATERBORNE VESSELS; EQUIPMENT FOR SHIPPING
- B63B13/00—Conduits for emptying or ballasting; Self-bailing equipment; Scuppers
- B63B2013/005—Sea chests
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- Chemical & Material Sciences (AREA)
- Engineering & Computer Science (AREA)
- Combustion & Propulsion (AREA)
- Mechanical Engineering (AREA)
- Ocean & Marine Engineering (AREA)
- Electromagnetic Pumps, Or The Like (AREA)
Abstract
The utility model provides a floating super large discharge capacity sea water supply device, including floating box and water supply system, floating cabin and water pump compartment are cut apart into through vertical and horizontal water tight wall in the floating box, water supply system sets up in the water pump compartment, water supply system includes the sea chest, the logical sea valve, sea water filter and water pump group, the import of every water pump of water pump group is connected with independent sea water filter, logical sea valve and sea chest respectively, the export of every water pump is connected with the main sewer, the top in water pump compartment is equipped with the water pump control room, be equipped with water pump variable frequency controller in the water pump control room, be equipped with power supply junction box on the outer wall in water pump control room. The advantages are that: the device has reasonable structure and convenient operation, can provide continuous, stable and sufficient cooling seawater for luxury mail ships, LNG dual-fuel ships and the like in the dry dock from the outside of the dock, realizes the normal operation, maintenance and debugging of power systems and electric power systems of the ships in the dry dock, has the maximum water supply amount of 3600m3/h and the maximum water supply pressure of 6.5Bar, and can meet the water supply requirement.
Description
Technical Field
The invention relates to the technical field of large-scale luxury mail ship and LNG dual-fuel ship (with gas) dock maintenance supporting facilities, in particular to a floating type extra-large-displacement seawater supply device capable of floating in seawater, which is used for providing continuous and stable large-displacement cooling seawater for ships in a dry dock and realizing normal running, maintenance and debugging of power systems and electric power systems of the ships in the dry dock.
Background
At present, in the case of the conventional ships which are not filled with water in a dock during dry dock maintenance, the generators on the ships cannot be started due to the fact that cooling water cannot be obtained, and main systems cannot operate. For a common cargo ship, a dock can usually provide low-power shore power and cooling water with less discharge capacity for an air conditioning, refrigerating and lighting system on the ship, but for a luxury cruise ship or a dual-fuel ship carrying LNG, the supply quantity of the shore power and the cooling water of the common dock is far from being met, even if the luxury cruise ship is repaired in the dock, a crew and service personnel are still left on the cruise ship, all lights can be fully lighted at night for ensuring the normal work, life and luxury cruise ship of the crew to achieve the advertising purpose, and all systems on the cruise ship are basically in a working state, so that the required power load is huge; when the film type LNG dual-fuel ship is subjected to dock maintenance with gas, part of liquid fuel is evaporated into gas due to heat exchange between an LNG fuel tank and the outside, the gas is accumulated in a liquid tank to cause pressure rise, in order to control the pressure of the liquid tank within a safe range, BOG generated by the liquid tank must be processed, the BOG is combusted through a GCU on the ship or consumed as fuel of a dual-fuel generator of the BOG, no matter which mode is adopted, the capacity of shore power or cooling water configured in a general shipyard dock cannot meet the requirement of normal operation, so that a shipside is required to clean and inert LNG fuel before dock maintenance, but the LNG fuel cannot be cleaned and inerted in time when emergency dock maintenance is required for the ship, and the requirement of emergency dock maintenance cannot be met by the existing dock support.
Therefore, there is a need to develop a device that can supply sufficient cooling seawater to ensure that the systems of the ship can be properly operated or serviced during dry dock maintenance of the cruise ship or other special ships.
Disclosure of Invention
The invention aims to solve the technical problem of providing a floating extra-large displacement seawater supply device which is reasonable in structure and convenient to operate aiming at the technical current situation, can provide continuous, stable and sufficient cooling seawater for luxury mail ships, LNG dual-fuel ships and the like in a dry dock, and realizes normal running, overhauling and debugging of power systems and electric power systems of the ships in the dry dock.
The technical scheme adopted by the invention for solving the technical problems is as follows: a floating extra-large displacement seawater supply device is characterized in that: the floating water pump system comprises a floating box body and a water supply system, wherein the floating box body is internally divided into a floating cabin and a water pump cabin through longitudinal and transverse water tight walls, the water supply system is arranged in the water pump cabin and comprises a sea chest, a sea valve, a sea water filter and a water pump set, the inlet of each water pump of the water pump set is respectively connected with the sea water filter, the sea valve and the sea chest which are independent of each other, the outlet of each water pump is connected with a drainage main pipe, a water pump control chamber is arranged above the water pump cabin, a water pump variable frequency controller is arranged in the water pump control chamber, and a power supply wiring box is arranged on the outer wall of the water pump control chamber.
As an improvement, the outer shell of the floating box body is composed of a steel top plate, a steel bottom plate and a steel side plate, the water pump cabin is a rectangular cabin, the floating cabins are two watertight cabins with U-shaped cross sections, and the two floating cabins surround the water pump cabin in the middle after being oppositely arranged.
The improved water pump set comprises 3-5 water pumps, the number of the sea chest, the sea through valve and the sea water filter corresponds to that of the water pumps, the sea chest is made of seamless steel pipes and is installed on a bottom plate of a water pump cabin, a detachable sea grid used for blocking sea water impurities is arranged at a sea water inlet of the sea chest, a sea water outlet of the sea chest is connected with an inlet of the water pump through a pipeline, the sea water filter is an L-shaped suction coarse water filter with a stainless steel filter element, the sea water filter is installed at an inlet of the water pump, and the sea through valve is installed on a pipeline between the sea chest and the water pump.
Further, the water pump is a centrifugal seawater pump driven by a fully-closed fan-cooled motor, the water pump is vertically arranged above the water inlet of the seabed valve box, and the water inlet of the water pump is lower than the seawater level.
And furthermore, a check valve and a butterfly valve are installed at the outlet of the water pump, an isolation valve is arranged on the drainage main pipe to divide the drainage main pipe into two sections, a branch pipe is led out from the two sections of drainage main pipes respectively to serve as a water supply pipe for supplying seawater outwards, the water supply pipe penetrates through the box body and extends out of the water pump cabin, and a water supply valve is installed on the water supply pipe.
Further, a vertical ladder is arranged between the water pump cabin and the water pump control chamber, and a movable grid capable of being opened and closed is arranged above the vertical ladder.
Furthermore, a plurality of ventilating shutters with weathertight covers are installed on the bulkhead of the water pump control chamber, and watertight doors for people to enter and exit are installed on the bulkhead.
Furthermore, a manhole cover convenient to overhaul and open is arranged at the top of the floating cabin, and a plurality of illuminating lamps are arranged in the floating box body and around the cabin wall outside the water pump control chamber.
Furthermore, the front and back positions of the left side and the right side of the top plate of the floating box body are respectively provided with a cross-shaped bollard for towing and mooring, and the front side and the back side of the floating box body are respectively provided with a plurality of anti-collision tire fenders at intervals.
Finally, manufacturing a connecting steel pipe according to the height difference in the flat tide level, vertically installing the connecting steel pipe on a connecting pipe behind the water supply valve of the device, communicating a pipeline on the dock gate deck with the vertical connecting steel pipe by using a hose, and reserving enough allowance for the length of the hose; the electric power of the device comes from a shore public power grid or a mobile generator, and is connected with a power supply junction box through a cable to provide power for a water pump, a water pump variable frequency controller and a lighting lamp of the device.
Compared with the prior art, the invention has the advantages that: the floating box body is arranged, the water supply system is arranged in the floating box body, and seawater is filtered and then discharged through the water pump setProviding cooled seawater to the ships in the dry dock; the water pump control chamber is arranged, and the rotating speed of the water pump can be adjusted according to the requirement so as to adjust the water supply pressure; the anti-collision system and the lighting lamp bar are arranged, and the use requirement at night is met. The invention has reasonable structural design and convenient operation, can provide continuous, stable and sufficient cooling seawater for luxury mail ships, LNG dual-fuel ships and the like from the outside of the dock to the inside of the dry dock, realizes the normal operation, maintenance and debugging of power systems and electric power systems of the ships in the dry dock, and has the maximum water supply of 3600m3The maximum water supply pressure is 6.5Bar, and the water supply requirement can be met.
Drawings
FIG. 1 is a schematic structural diagram of an embodiment of the present invention;
FIG. 2 is a top view of FIG. 1;
FIG. 3 is a side view of FIG. 1;
FIG. 4 is a schematic diagram of a seawater supply system according to an embodiment of the present invention;
FIG. 5 is a schematic illustration of water supply to a dry dock at various tide levels;
FIG. 6 is a top plan view of the dry dock water supply;
FIG. 7 is a layout of the inner chamber of the floating box;
FIG. 8 is a top view of FIG. 7;
FIG. 9 is a side view of FIG. 7;
fig. 10 is an electrical schematic of an embodiment of the invention.
Detailed Description
The invention is described in further detail below with reference to the accompanying examples.
As shown in fig. 1 to 10, a floating type ultra-large displacement seawater supply device comprises a floating box body 1 and a water supply system 2, wherein the floating box body 1 is internally divided into a floating cabin 11 and a water pump cabin 12 through longitudinal and transverse water tight walls, the water supply system 2 is arranged in the water pump cabin 12, the water supply system 2 comprises a seabed valve box 22, a sea through valve 24, a seawater filter 23 and a water pump set, an inlet of each water pump 21 of the water pump set is respectively connected with the independent seawater filter 23, sea through valve 24 and seabed valve box 22, an outlet of each water pump 21 is connected with a drainage main pipe 5, a water pump control chamber 13 is arranged above the water pump cabin 12, a water pump variable frequency controller 3 is arranged in the water pump control chamber 13, and a power supply wiring box 4 is arranged on the outer wall of the water pump control chamber 13.
The concrete structure is as follows: the outer shell of the floating box body 1 is composed of a steel top plate, a steel bottom plate and steel side plates, the water pump cabin 12 is a rectangular cabin, the floating cabins 11 are two watertight cabins with U-shaped cross sections, the two floating cabins 11 are oppositely arranged and surround the water pump cabin 12 in the middle of the two floating cabins, and the structure effectively improves the safety of equipment in the water pump cabin 12. The water pump group of the embodiment comprises 4 water pumps 21, the number of a seabed valve box 22, a sea through valve 24 and a sea water filter 23 corresponds to that of the water pumps 21, the seabed valve box 22 is made of seamless steel pipes, the seabed valve box 22 is installed on the bottom plate of the water pump cabin 12, a detachable seabed grating for blocking sea water impurities is arranged at the sea water inlet of the seabed valve box 22, the sea water outlet of the seabed valve box 22 is connected with the inlet of the water pumps 21 through a pipeline, the sea water filter 23 is an L-shaped suction coarse water filter with a stainless steel filter element, the sea water filter 23 is installed at the inlet of the water pumps 21, and the sea through valve 24 is installed on the pipeline between the seabed valve box 22 and the water pumps 21. The water pump 21 is a centrifugal sea water pump driven by a fully-closed fan-cooled motor, the water pump 21 is vertically arranged above the water inlet of the sea chest 22, the vertical installation height of the water pump 21 of the embodiment is about 0.68m away from the water inlet of the sea chest 22, the integral draught of the device is about 0.88m when the device operates, the water inlet of the water pump 21 is about 0.20m lower than the sea water level, the impeller of the water pump 21 can be ensured to be always immersed by the sea water, and the sea water can be normally sucked under the condition that a self-sucking device is not used. The outlet position of the water pump 21 is provided with a check valve 9 and a butterfly valve 8, and the check valve 9 can prevent seawater from flowing backwards to the pump group in a stop state when other pump groups operate, so that the pump and the motor are in reverse rotation. The butterfly valve 8 can isolate the water pump 21 from the pipeline in operation when it is serviced. The outlets of the 4 water pumps 21 are converged into a main drain pipe 5, the pipe diameter of the main drain pipe 5 is selected according to the maximum flow rate when the two water pumps 21 run simultaneously, an isolation valve 50 is arranged on the main drain pipe 5 to divide the main drain pipe 5 into two sections, branch pipes are respectively led out from the two sections of main drain pipes 5 to serve as water supply pipes for supplying seawater outwards, the water supply pipes penetrate through the floating box body 1 and extend out of the water pump chamber 12, and water supply valves 51 are arranged on the water supply pipes. This is achieved byWhen only two arbitrary water pumps 21 are used, the isolating valve 50 on the drainage main pipe 5 can be opened, and any water supply pipe can be selected to supply water to the outside; when 3 or 4 water pumps 21 are used simultaneously, the isolation valve 50 on the main drain pipe 5 is closed, and seawater is supplied from two water supply pipes simultaneously, wherein the maximum seawater supply amount is 3200m3/h。
The number of the water pump variable frequency controllers 3 in the water pump control chamber 13 is 4 corresponding to that of the water pumps 21, and the start and stop of the water pumps 21, the rotating speed of the motor and the water outlet pressure of the water pumps 21 are controlled by the water pump variable frequency controllers 3. A vertical ladder 7 is installed between the water pump cabin 12 and the water pump control chamber 13, and a movable openable and closable grille 60 is provided above the vertical ladder 7. In order to better dissipate heat of the water pump set and the water pump variable frequency controller 3, a plurality of ventilation shutters 130 with weather tight covers are arranged on the bulkhead of the water pump control chamber 13, and a steel watertight door 10 which can be used for people to get in and out is arranged on the bulkhead and can be used for people to get in and out.
A manhole cover 30 convenient for maintenance and opening is arranged at the top of the floating cabin 11, and a plurality of illuminating lamps 6 are arranged in the floating box body 1 and around the cabin wall outside the water pump control chamber 13. The front and back positions of the left and right sides of the top plate of the floating box body 1 are respectively provided with a cross-shaped bollard 20 used for towing and mooring, the bollards are connected with a fixed part through a cable 70, and the front and back sides of the floating box body 1 are respectively provided with 6 tire fenders 40 at intervals, so that unnecessary damage to the device in the towing and mooring processes is prevented.
The device does not generate electricity, the electricity can be provided by an onshore public power grid or a mobile generator, and the device is connected with a power supply junction box 4 positioned outside a water pump control room 13 through a cable to provide electricity for the device.
When the device is used for supplying water to ships in a dry dock, the four bollards 20 arranged on the device are used for mooring with the bollards a on the two sides of the dock, and the specific mooring mode can be adjusted according to different mooring supporting facilities on the sides; looking up a tide table to obtain draught of the dock gate during the maximum tide, the flat tide and the low tide of seawater in the using period of the device, calculating the height difference between an outlet of a water supply pipe of the device and a connecting pipe of a dock gate deck at different tide levels by combining the draught of the device, manufacturing a connecting steel pipe b according to the height difference during the flat tide, vertically installing the connecting pipe behind a water supply valve 51 of the device, communicating a pipeline on the dock gate deck with the vertical connecting steel pipe b by adopting a hose a, reserving enough margin for the length of the hose a, and contracting or expanding when the device floats up and down or left and right along with the tide change. The device does not generate electric power, the electric power of the device comes from a shore public power grid or a mobile generator, and the device is connected with a power supply connection box 4 through a cable to provide power for a water pump 21, a water pump variable-frequency controller 3 and an illuminating lamp 6 of the device.
After the mooring, shore power connection and all pipeline connections are completed, the sea access valve 24, the manual butterfly valve 8 and the water supply valve 51 are opened, the water pump 21 is started, and then the seawater can be conveyed to a receiving station of the ship in the dock, if the pressure of the ship cooling seawater receiving station for supplying the seawater has strict requirements, the rotating speed of the water pump 21 can be adjusted through the water pump variable frequency controller 3, and the purpose of adjusting the water supply pressure is achieved.
The dimensions of the device of this embodiment are such that: overall length 11.25m, width 6.05m, height 4.2m, height of buoyancy chamber 11 1.7m, maximum buoyancy of about 64.8 tons that can be generated by buoyancy chamber 11, and dry weight of the device about 54.9 tons. If the water pump cabin 12 is communicated with the outside for water inlet due to an emergency, the device can be ensured not to sink only by the buoyancy generated by the buoyancy cabin 11.
The following table is a mass and mass center statistical table of the device
When 4 water pumps 21 work simultaneously, the wet weight of the device is about 58 tons, and the draught of the device is about 0.88 meter. The freeboard height is about 0.773 m, and the residual reserve buoyancy is about 50 tons.
The water pump 21 is driven by a centrifugal pump and a totally-enclosed fan-cooled motor, and is provided with a self-suction device, a space heater, 260KW power, 800m3/h @6.5bar discharge capacity and variable-frequency starting.
The maximum discharge capacity of the drainage main pipe 5 is 1600m when two pumps are used as a group and work simultaneously3Designing the flow rate of the pipeline according to a standard curve of pipeline flow rate, selecting DN450 from the main sewer, setting an isolation valve 50 on the main drainage pipe 5, dividing the main drainage pipe 5 into two sections which can be mutually independent, leading out a branch pipe from the two sections of main drainage pipes 5 respectively as a water supply pipe for supplying seawater to the outside, and installing a water supply valve 51. When only two water pumps 21 are used, the isolation valve 50 can be opened, and any water supply pipe can be selected to supply water to the outside. When 3 or 4 seawater pumps are used simultaneously, the isolating valve 50 is closed, and seawater is supplied from two water supply pipes simultaneously, wherein the maximum seawater supply amount is 3200m3/h。
Fig. 10 is an electrical schematic diagram, which comprises a power supply connection box 4, 4 water pump frequency conversion controllers, 8 lighting lamps 6 and two switches, and the electrical technical parameters of the device are as follows: rated voltage: 380V frequency: 50HZ power: 1050 KW.
The foregoing is only a preferred embodiment of the present invention, and it should be noted that, for those skilled in the art, various modifications and decorations can be made without departing from the technical principle of the present invention, and these modifications and decorations should also be regarded as the protection scope of the present invention.
Claims (10)
1. A floating extra-large displacement seawater supply device is characterized in that: the floating water pump system comprises a floating box body and a water supply system, wherein the floating box body is internally divided into a floating cabin and a water pump cabin through longitudinal and transverse water tight walls, the water supply system is arranged in the water pump cabin and comprises a sea chest, a sea valve, a sea water filter and a water pump set, the inlet of each water pump of the water pump set is respectively connected with the sea water filter, the sea valve and the sea chest which are independent of each other, the outlet of each water pump is connected with a drainage main pipe, a water pump control chamber is arranged above the water pump cabin, a water pump variable frequency controller is arranged in the water pump control chamber, and a power supply wiring box is arranged on the outer wall of the water pump control chamber.
2. The floating ultra-large volume seawater supply apparatus of claim 1, wherein: the shell of the floating box body is composed of a steel top plate, a steel bottom plate and a steel side plate, the water pump cabin is a rectangular cabin, the floating cabin is two watertight cabins with U-shaped cross sections, and the two floating cabins surround the water pump cabin in the middle after being oppositely arranged.
3. The floating ultra-large volume seawater supply apparatus of claim 2, wherein: the water pump group includes 3 ~ 5 water pumps, the submarine valve case, the logical sea valve, the figure of sea water filter is corresponding with the water pump, the submarine valve case adopts seamless steel pipe to make and installs on the bottom plate in water pump cabin, the sea water import department of submarine valve case is equipped with the removable seabed grid that is used for blockking sea water impurity, the sea water export of submarine valve case is connected with the import of water pump through the pipeline, the sea water filter adopts the L type that the filter core is stainless steel to inhale coarse water filter, the sea water filter is installed in the import department of water pump, lead to the sea valve and install on the pipeline between submarine valve case and the water pump.
4. The floating ultra-large volume seawater supply apparatus of claim 3, wherein: the water pump is a centrifugal seawater pump driven by a fully-closed fan-cooled motor, the water pump is vertically arranged above the water inlet of the seabed valve box, and the water inlet of the water pump is lower than the seawater level.
5. The floating ultra-large volume seawater supply apparatus of claim 4, wherein: the water pump is characterized in that a check valve and a butterfly valve are installed at the outlet of the water pump, an isolation valve is arranged on the main drainage pipe to divide the main drainage pipe into two sections, a branch pipe is led out from the two sections of main drainage pipes respectively to serve as a water supply pipe for supplying seawater outwards, the water supply pipe penetrates through the box body and extends out of the water pump cabin, and a water supply valve is installed on the water supply pipe.
6. The floating ultra-large volume seawater supply apparatus of any one of claims 1 to 5, wherein: a straight ladder is arranged between the water pump cabin and the water pump control chamber, and a movable grid capable of being opened and closed is arranged above the straight ladder.
7. The floating ultra-large volume seawater supply apparatus of any one of claims 1 to 5, wherein: and a plurality of ventilation shutters with weathertight covers are installed on the bulkhead of the water pump control chamber, and watertight doors for people to enter and exit are installed on the bulkhead.
8. The floating ultra-large volume seawater supply apparatus of any one of claims 1 to 5, wherein: a manhole cover convenient to overhaul and open is arranged at the top of the floating cabin, and a plurality of illuminating lamps are arranged in the floating box body and around the cabin wall outside the water pump control chamber.
9. The floating ultra-large volume seawater supply apparatus of any one of claims 1 to 5, wherein: the front and back positions of the left side and the right side of a top plate of the floating box body are respectively provided with a cross-shaped bollard for towing and mooring, and the front side and the back side of the floating box body are respectively provided with a plurality of anti-collision tire fenders at intervals.
10. The floating ultra-large volume seawater supply apparatus of claim 5, wherein: manufacturing a connecting steel pipe according to the height difference in the flat tide level, vertically installing the connecting steel pipe on a connecting pipe behind the water supply valve of the device, communicating a pipeline on a dock gate deck with the vertical connecting steel pipe by using a hose, and reserving enough allowance for the length of the hose; the electric power of the device comes from a shore public power grid or a mobile generator, and is connected with a power supply junction box through a cable to provide power for a water pump, a water pump variable frequency controller and a lighting lamp of the device.
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202210128104.5A CN114506412A (en) | 2022-02-11 | 2022-02-11 | Floating type extra-large displacement seawater supply device |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202210128104.5A CN114506412A (en) | 2022-02-11 | 2022-02-11 | Floating type extra-large displacement seawater supply device |
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| CN114506412A true CN114506412A (en) | 2022-05-17 |
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| CN202210128104.5A Pending CN114506412A (en) | 2022-02-11 | 2022-02-11 | Floating type extra-large displacement seawater supply device |
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| CN202389579U (en) * | 2011-11-29 | 2012-08-22 | 广州中船黄埔造船有限公司 | Device for communicating sea valve chest with seawater of dock gate |
| CN104452878A (en) * | 2014-11-17 | 2015-03-25 | 西安建筑科技大学 | Rough filtration type floating pontoon water taking device |
| CN106275253A (en) * | 2016-08-31 | 2017-01-04 | 中船黄埔文冲船舶有限公司 | A kind of method that ship launching leading sea water moves electromotor in advance |
| CN206768918U (en) * | 2017-03-23 | 2017-12-19 | 江苏河海给排水成套设备有限公司 | A kind of novel intelligent submersible type saves floating dock water intake system |
| CN206956832U (en) * | 2017-04-18 | 2018-02-02 | 中国电建集团华东勘测设计研究院有限公司 | A kind of floatation type seawater water fetching device |
| CN108609113A (en) * | 2017-09-01 | 2018-10-02 | 南通江海海洋工程产业研究院有限公司 | Water supply scheme for debugging cooling water in dock |
| CN109098146A (en) * | 2018-10-23 | 2018-12-28 | 刘振 | A kind of modularization intelligent type is from floating dock pumping plant of removing contamination |
| CN113250968A (en) * | 2020-11-04 | 2021-08-13 | 湖南中大节能泵业有限公司 | Siphon and electric pump water supply type water taking pump ship |
| CN214776448U (en) * | 2021-05-11 | 2021-11-19 | 中铁四局集团有限公司 | Floating device of floating dock pump ship |
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