CN112023312A - Semi-submersible unmanned fire-fighting ship - Google Patents
Semi-submersible unmanned fire-fighting ship Download PDFInfo
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- CN112023312A CN112023312A CN202010892555.7A CN202010892555A CN112023312A CN 112023312 A CN112023312 A CN 112023312A CN 202010892555 A CN202010892555 A CN 202010892555A CN 112023312 A CN112023312 A CN 112023312A
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- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims abstract description 134
- 238000012544 monitoring process Methods 0.000 claims abstract description 11
- 241000876443 Varanus salvator Species 0.000 claims abstract description 9
- CURLTUGMZLYLDI-UHFFFAOYSA-N Carbon dioxide Chemical compound O=C=O CURLTUGMZLYLDI-UHFFFAOYSA-N 0.000 claims description 16
- 229910002092 carbon dioxide Inorganic materials 0.000 claims description 8
- 239000001569 carbon dioxide Substances 0.000 claims description 8
- 239000006260 foam Substances 0.000 claims description 8
- 238000000034 method Methods 0.000 claims description 4
- 230000000007 visual effect Effects 0.000 description 4
- 230000002159 abnormal effect Effects 0.000 description 3
- 238000007599 discharging Methods 0.000 description 3
- 230000008569 process Effects 0.000 description 3
- 238000005086 pumping Methods 0.000 description 3
- 230000008859 change Effects 0.000 description 2
- 238000010586 diagram Methods 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 230000009471 action Effects 0.000 description 1
- 238000013459 approach Methods 0.000 description 1
- 238000004891 communication Methods 0.000 description 1
- 238000005553 drilling Methods 0.000 description 1
- 239000000284 extract Substances 0.000 description 1
- 230000010365 information processing Effects 0.000 description 1
- 238000012216 screening Methods 0.000 description 1
- 239000007921 spray Substances 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
- 238000009966 trimming Methods 0.000 description 1
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Classifications
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- A—HUMAN NECESSITIES
- A62—LIFE-SAVING; FIRE-FIGHTING
- A62C—FIRE-FIGHTING
- A62C29/00—Fire-fighting vessels or like floating structures
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- A—HUMAN NECESSITIES
- A62—LIFE-SAVING; FIRE-FIGHTING
- A62C—FIRE-FIGHTING
- A62C31/00—Delivery of fire-extinguishing material
-
- A—HUMAN NECESSITIES
- A62—LIFE-SAVING; FIRE-FIGHTING
- A62C—FIRE-FIGHTING
- A62C31/00—Delivery of fire-extinguishing material
- A62C31/28—Accessories for delivery devices, e.g. supports
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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
- B63B35/00—Vessels or similar floating structures specially adapted for specific purposes and not otherwise provided for
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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
- B63B43/00—Improving safety of vessels, e.g. damage control, not otherwise provided for
- B63B43/02—Improving safety of vessels, e.g. damage control, not otherwise provided for reducing risk of capsizing or sinking
- B63B43/04—Improving safety of vessels, e.g. damage control, not otherwise provided for reducing risk of capsizing or sinking by improving stability
- B63B43/06—Improving safety of vessels, e.g. damage control, not otherwise provided for reducing risk of capsizing or sinking by improving stability using ballast tanks
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B63—SHIPS OR OTHER WATERBORNE VESSELS; RELATED EQUIPMENT
- B63H—MARINE PROPULSION OR STEERING
- B63H1/00—Propulsive elements directly acting on water
- B63H1/02—Propulsive elements directly acting on water of rotary type
- B63H1/12—Propulsive elements directly acting on water of rotary type with rotation axis substantially in propulsive direction
- B63H1/14—Propellers
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01J—MEASUREMENT OF INTENSITY, VELOCITY, SPECTRAL CONTENT, POLARISATION, PHASE OR PULSE CHARACTERISTICS OF INFRARED, VISIBLE OR ULTRAVIOLET LIGHT; COLORIMETRY; RADIATION PYROMETRY
- G01J5/00—Radiation pyrometry, e.g. infrared or optical thermometry
- G01J5/0014—Radiation pyrometry, e.g. infrared or optical thermometry for sensing the radiation from gases, flames
- G01J5/0018—Flames, plasma or welding
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- G—PHYSICS
- G05—CONTROLLING; REGULATING
- G05D—SYSTEMS FOR CONTROLLING OR REGULATING NON-ELECTRIC VARIABLES
- G05D1/00—Control of position, course or altitude of land, water, air, or space vehicles, e.g. automatic pilot
- G05D1/02—Control of position or course in two dimensions
- G05D1/0206—Control of position or course in two dimensions specially adapted to water vehicles
Abstract
The invention discloses a semi-submersible unmanned fire fighting ship, which comprises a semi-submersible ship body, a fire fighting main water monitor, a plurality of fire fighting auxiliary water monitors, a plurality of fog monitors, a plurality of fire fighting water pumps arranged in the semi-submersible ship body, a monitoring control device, a plurality of ballast water tanks and a ballast water tank water inlet/outlet system, wherein an M-channel catamaran body is arranged below a main deck, the fire fighting main water monitor is arranged on a bow platform, and the fire fighting auxiliary water monitors and the fog monitors are respectively arranged on a side middle bridge. The main control center of the monitoring control device is positioned in the bow platform, the vision sensor and the antenna are positioned on a bridge crossing the middle part of the semi-submersible type ship body, and the infrared sensors and the positioning modules are respectively positioned on the side middle bridge. The ballast tank water inlet/outlet system comprises a ballast water pump and two-position three-way electric control ball valves. The invention improves the fire-fighting operation efficiency and solves the problem that the ship body cannot go deep into the center of a fire source due to overhigh temperature in a fire area and cannot effectively extinguish fire in time.
Description
Technical Field
The invention relates to a fire fighting ship, in particular to a semi-submersible unmanned fire fighting ship for intelligent fixed-point unmanned remote control, and belongs to the technical field of ship engineering.
Background
The semi-submersible ship is a special working ship and can be specially used for transporting large equipment such as offshore drilling platforms, large ships, submarines and the like. Unlike a typical surface vessel, a semi-submersible typically has a deep draft, but rather than being completely submerged like a submarine, some of the hull or structure is exposed outside the surface. Because the volume proportion of the semi-submersible ship hidden in water is high, the semi-submersible ship is not easily influenced by waves on the sea surface, and can keep better stability and be suitable for being used as a water working platform.
The application date is 2015, 10 months and 09 days, and the Chinese patent application publication specification with the publication number of CN105235824A discloses a water surface fire-fighting unmanned boat, and provides a program for controlling by compiling experience to replace manual operation, so that certain dangerous and unfit tasks executed by manned boats are executed, but the posture of the boat cannot be well controlled, and the boat cannot go deep into the fire source center to efficiently and accurately extinguish fire due to the limitation of the temperature of the boat body.
The application date is 2016 06 months 17 days, and the Chinese utility model patent application publication with publication number CN205707188U discloses a semi-submersible unmanned ship, which provides a communication control mode of the semi-submersible unmanned ship, but does not provide the semi-submersible mode of the semi-submersible ship, and the semi-submersible ship can be used for water transportation, and does not have a fire-fighting function.
Disclosure of Invention
The invention aims to provide a semi-submersible unmanned fire fighting ship which can sail near the central area of a ship on fire in a semi-submersible state, so that the fire fighting efficiency is improved, and the safety of the fire fighting ship is ensured.
The purpose of the invention can be realized by the following technical scheme:
a semi-submersible unmanned fire-fighting ship comprises a semi-submersible ship body, a pair of propellers arranged at the stern, a fire-fighting main water cannon, a plurality of fire-fighting auxiliary water cannons, a plurality of fog cannons, a plurality of fire-fighting water pumps arranged in the semi-submersible ship body, a monitoring control device, a plurality of ballast water tanks and a ballast water tank water inlet/outlet system, wherein an M-channel double-body ship body is arranged below a main deck, the fire-fighting main water cannon is arranged on a bow platform higher than the main deck, the fire-fighting auxiliary water cannons and the fog cannons are respectively arranged on a side middle bridge, the bridge spans the middle part of the semi-submersible ship body, and the bridge is higher than the bow platform and the side middle bridge; a plurality of fire-fighting water pumps and storage batteries are respectively arranged in the semi-submersible type ship body; the monitoring control device comprises a main control center, a vision sensor, an antenna, a plurality of infrared sensors and a plurality of positioning modules, wherein the main control center is positioned in the bow platform, and the vision sensor, the antenna, the plurality of infrared sensors and the plurality of positioning modules are respectively positioned on the bridge; the ballast water tanks are divided into two groups and are respectively arranged in the two ends of the side of the left and right sides of the semi-submersible ship body, and the ballast water tank water inlet/outlet system is arranged in the semi-submersible ship body.
The object of the invention is further achieved by the following technical measures.
Further, the ballast water tank water inlet/outlet system comprises a ballast water pump and two-position three-way electric control ball valves, a main water pipe leading to the outside of the semi-submersible type ship body is divided into two paths, and the two paths are respectively connected with a first end of the two-position three-way electric control ball valve which is normally installed and a third end of the two-position three-way electric control ball valve which is reversely installed, a second end of the two-position three-way electric control ball valve which is reversely installed is connected with an input end of the ballast water pump through a water distribution pipe, an output end of the ballast water pump is connected with a second end of the two-position three-way electric control ball valve which is normally installed through a water distribution pipe, and the first end of the two-position three-way electric control ball valve which is reversely.
And further, a carbon dioxide foam cabin is also arranged and is respectively connected with the fire-fighting main water monitor and the plurality of fire-fighting auxiliary water monitors through compensation water pumps.
According to the invention, the plurality of ballast water tanks and the ballast water tank water inlet/outlet system are arranged in the semi-submersible type ship body, water is injected into the ballast water tanks through the ballast water tank water inlet/outlet system, so that the semi-submersible type ship body enters a semi-submersible state, and the semi-submersible type ship body can be effectively cooled on one hand, so that the semi-submersible type ship body can be closer to a fire ship, and the fire fighting distance is shortened; on the other hand, the semi-submersible ship body is subjected to fire fighting operation, so that the impact generated by the work of the fire water monitor and the influence of wind, wave and current on the position and the posture of the ship body on the sea surface can be reduced, and the reliability of fire fighting operation is improved. The ballast water tank water inlet/outlet system combines a water pumping pipeline and a water outlet pipeline, and adopts a simple structure of one ballast water pump, two-position three-way electric control ball valves and one pipeline, so that the water inlet/outlet system can realize two functions of injecting water into a plurality of ballast water tanks or discharging water stored in the ballast water tanks to the outside of the semi-submersible ship body, thereby realizing the floating or sinking of the semi-submersible ship body according to the use requirement. The monitoring control device monitors the actual situation of the surrounding water area through the visual sensor, the infrared sensors and the positioning modules, and adjusts the navigational speed through the main control center instruction propeller to correct the direction of the device; the ambient temperature change is monitored by a plurality of infrared sensors, and temperature information is collected. The monitoring control device can realize autonomous cruise, find the fire area of the ship, determine the fire level, sail to the fire area in time, gradually extinguish fire and gradually go to the fire source center, improve the fire fighting operation efficiency, and solve the problem that the ship body cannot go deep into the fire source center due to overhigh temperature in the fire area and cannot effectively extinguish fire in time.
Advantages and features of the present invention will be illustrated and explained by the following non-restrictive description of preferred embodiments thereof, given by way of example only with reference to the accompanying drawings.
Drawings
FIG. 1 is a front view of the present invention;
FIG. 2 is a top view of FIG. 1;
FIG. 3 is a layout of the equipment within the semi-submersible hull;
FIG. 4 is a diagram of the operation of filling the ballast water tank with water through the ballast water tank intake/discharge system;
fig. 5 is a diagram showing the operation of discharging water to the outside of the semi-submersible ship body through a ballast water tank water inlet/outlet system.
Detailed Description
The invention is further illustrated with reference to the following figures and examples.
As shown in fig. 1 to 3, the present invention includes a semi-submersible hull 1, a pair of propellers 2 arranged at the stern, a main fire monitor 3, 2 auxiliary fire monitors 4, 2 fog monitors 5, a main fire monitor water pump 61 arranged in the semi-submersible hull 1, an auxiliary fire monitor water pump 62, a fog monitor water pump 63, a monitoring control device 7, 4 ballast tanks 8 and a ballast tank water intake/discharge system 9, an M-channel catamaran hull is arranged below a main deck 11, and the main fire monitor 3 is arranged on a bow platform 12 higher than the main deck 11, so that the main fire monitor 3 has a better shooting range, and the fire extinguishing area and efficiency are improved. The fire-fighting auxiliary water cannon 4 and the fog cannon 5 are respectively arranged on the side middle bridge 13, the ship bridge 14 stretches across the middle of the semi-submersible type ship body 1, and the ship bridge 14 is higher than the bow platform 12 and the side middle bridge 13. The fire-fighting main monitor water pump 61, the fire-fighting auxiliary monitor water pump 62, the fire-fighting fog monitor water pump 63 and the compensation water pump 64 which are arranged at intervals are positioned at the longitudinal center position of the semi-submersible type ship body 1, and the storage batteries 10 are respectively arranged in the two sides of the middle part of the semi-submersible type ship body 1 and provide electric energy for various water pumps, the propeller 2 and electrical elements of the invention. The 4 ballast water tanks 8 are divided into two groups and are respectively arranged in the two ends of the left and right sides of the semi-submersible type ship body 1, carbon dioxide foam tanks 101 are respectively arranged in the two sides of the middle part of the semi-submersible type ship body 1 and are positioned between the 4 ballast water tanks 8, and the carbon dioxide foam tanks 101 are respectively connected with the fire-fighting main water cannons 61 and the 2 fire-fighting auxiliary water cannons 62 through compensating water pumps 64 and are used for extinguishing fire of special fire-fighting ships which can not use water to extinguish fire. The ballast water tank intake/discharge system 9 is provided in the semi-submersible hull 1, and the propeller 2 is a ducted propeller.
The monitoring control device 7 comprises a main control center 71, a visual sensor 72, an antenna 73, 4 infrared sensors 74 and 2 positioning modules 75, wherein the main control center 71 is positioned in the bow platform 12 and comprises a single chip microcomputer, a receiver, a radio station and a relay, and the single chip microcomputer, the receiver, the radio station and the relay are used for controlling a whole ship fire monitor, various water pumps, a propeller 2 and other electrical elements and communicating with a fire fighting mother ship and a ground control center.
The vision sensor 72 is located in the center of the bridge 14, the antenna 73 is located on the bridge 14, the positioning modules 75 are respectively located at two sides of the vision sensor 72, and the infrared sensors 74 are respectively located at four corners of the bridge 14. Since the bridge 14 is higher than the bow platform 12 and the side middle bridge 13, the visual sensor 72 has a good observation effect, and the observation effect of the infrared sensor 74 and the positioning module 75 is also improved. The infrared sensor 74 is used for monitoring ambient temperature changes, collecting temperature information, transmitting the temperature information to the main control center 71 for temperature information processing, screening out abnormal temperatures of the ship on fire, and feeding back the abnormal temperatures to the mother ship or the land fire control center. The positioning module 75 is used for positioning the longitude and latitude of the invention, comparing the longitude and latitude with the received satellite navigation, and controlling the propeller 2 to adjust the course and the navigation speed through the main control center 71, thereby correcting the position of the invention.
As shown in fig. 4 and 5, the ballast water tank intake/discharge system 9 includes a ballast water pump 91, a forward-mounted two-way three-way electric control ball valve 92 and a reverse-mounted two-way three-way electric control ball valve 93, a main water pipe 94 leading to the outside of the semi-submersible hull 1 is divided into two paths, which are respectively connected with a first end 921 of the forward-mounted two-way three-way electric control ball valve and a third end 933 of the reverse-mounted two-way three-way electric control ball valve, a second end 932 of the reverse-mounted two-way three-way electric control ball valve is connected with an input end 911 of the ballast water pump through a water distribution pipe 95, an output end 912 of the ballast water pump is connected with a second end 922 of the forward-mounted two-way three-way electric control ball valve through a water distribution pipe 95, and the first end 931 of the reverse-mounted two-way.
As shown in fig. 4, in the process of pumping the water outside the semi-submersible hull 1 into the ballast water tank 8 through the ballast water pump 91 of the ballast water tank water intake/discharge system 9, the forward two-position three-way electric control ball valve 92 and the reverse two-position three-way electric control ball valve 93 are both in an energized state, that is, the forward two-position three-way electric control ball valve second end 922 is communicated with the forward two-position three-way electric control ball valve third end 923, and the reverse two-position three-way electric control ball valve second end 932 is communicated with the reverse two-position three-way electric control ball valve third end 933. The ballast water pump 91 is activated and the water outside the semi-submersible hull 1 flows through the water main 94 in the following path as indicated by the arrow: the third end 933 of the reverse two-position three-way electric control ball valve, the second end 932 of the reverse two-position three-way electric control ball valve, the input end 911 of the ballast water pump, the output end 912 of the ballast water pump, the second end 922 of the forward two-position three-way electric control ball valve, and the third end 923 of the forward two-position three-way electric control ball valve are divided into 4 paths from one path of water distribution pipe 95 and respectively injected into 4 ballast water tanks 8 in the left and right side boards of the semi-submersible hull 1, and the semi-submersible hull 1 is partially submerged to the A-A waterline position.
As shown in fig. 5, the stored water in the ballast water tank 8 is discharged out of the semi-submersible hull 1 through the ballast water tank inlet/outlet system 9, and at this time, the forward two-position three-way electric control ball valve 92 and the reverse two-position three-way electric control ball valve 93 are both in a power-off state, that is, the first end 921 of the forward two-position three-way electric control ball valve is communicated with the second end 922 of the forward two-position three-way electric control ball valve, and the first end 931 of the reverse two-position three-way electric control ball valve is communicated with the second end 932 of the reverse two-position. The ballast water pumps 91 are started, and the stored water in the 4 ballast water tanks 8 flows through the distribution pipes 95 in the following paths as indicated by arrows: reversely installing a first end 931 of the two-position three-way electric control ball valve, reversely installing a second end 932 of the two-position three-way electric control ball valve, an input end 911 of the ballast water pump, an output end 912 of the ballast water pump, positively installing a second end 922 of the two-position three-way electric control ball valve, positively installing a first end 921 of the two-position three-way electric control ball valve, discharging the water out of the semi-submersible hull 1 through a water main 94, and floating the semi-submersible hull 1 to a B-B water line position shown in figure.
The invention mainly has two navigation modes of autonomous cruising and fixed-point fire fighting. When the fire fighting mother ship or the ground control center sends an instruction to autonomously cruise a designated area and an air route, the main control center 71 compares the positions of the position information provided by the 2 positioning modules 75, intelligently plans the shortest path through an optimal path algorithm, and the invention proceeds to the designated area according to the shortest path. In the process of going to, whether the surrounding is an obstacle or not is constantly monitored by combining the visual sensor 72 and the positioning module 75, so that the main control center 71 controls the electric speed controller and the receiver to adjust the speed and the course, and the obstacle is avoided. After reaching the designated cruising area, the positioning module 75 receives the position information and covers the designated cruising area along the designated cruising route or along the intelligent planning route; the vision module sensor 72 and the infrared sensor 74 start to continuously collect information and transmit the information to the main control center 71, the main control center 71 processes and compares ambient temperature information, abnormal temperature values are screened, whether an alarm is given or not is determined, and meanwhile, a fire fighting mother ship operator can receive a vision picture in real time through the antenna 73. Once the main control center 71 gives an alarm, the real-time situation is checked, and corresponding countermeasures are taken in time. When no fire or special condition is found, the fire fighting mother ship controller sends an instruction to the main control center 71 to determine whether to return or cruise to the next designated area.
If the fire is found, alarm information is sent to the fire fighting mother ship, the fire level is determined, and meanwhile, an autonomous fire fighting mode is entered. The vision sensor 72 and the infrared sensor 74 collect surrounding water area conditions and fire behavior information, the positioning module 75 collects position information and transmits the position information to the main control center 71, the ship can be instructed to rapidly drive to the edge of a ship on fire, the ballast water pump 91 is started, the normally-installed two-position three-way electric control ball valve 92 and the reversely-installed two-position three-way electric control ball valve 93 are adjusted to be in an electrified pumping state, the ship immediately enters a semi-submerged state, and the fog gun 5 is started simultaneously, so that the temperature of the semi-submerged ship body 1 is greatly reduced, the ship gradually approaches to the center of a fire source of the ship on fire, the fire. The main control center 71 adjusts the direction of the fire monitor according to the sea area information, and extracts water flow on the spot. If a mother ship controller finds that carbon dioxide foam fire needs to be used through a real-time picture, the compensation water pump 64 is started to input carbon dioxide foam generated by the carbon dioxide foam cabin 101 into the fire-fighting main water cannon 3 and the fire-fighting auxiliary water cannons 4 through the electromagnetic valves respectively, and carbon dioxide foam is sprayed to the fire source center of a ship on fire to be accurately and quickly extinguished. Simultaneously when fire control main water cannon 3 and fire control vice water cannon 4 put out a fire, because the recoil that the combined action of water cannon and wind, unrestrained, stream on the surface of water produced can make the gesture and the position of boats and ships change, get into the stability that semi-submerged state can improve boats and ships, and then improve the stability that the water cannon sprays. If the sea state is high, the main control center 71 compares the position information provided by combining with the position information of the fire fighting ship monitored by the two positioning modules 75, and if the difference exists, the attitude and the position of the fire fighting ship are adjusted by adjusting the differential speed of the propellers of the pair of propellers 2 at the stern, so that fixed-point fire fighting is realized. After the fire-fighting operation is completed, the main deck 11 can also be used for a small rescue. And finally, turning on the ballast pump 91 to pump water in the power-off drainage state of the normally-installed two-position three-way electric control ball valve 92 and the reversely-installed two-position three-way electric control ball valve 93, and returning the semi-submersible type hull 1 to the sailing state of the B-B waterline in the figure 1.
If the fire is large, a plurality of the fire fighting tools can be sent to the fire fighting operation by a mother ship or a land control center. After the fire-fighting task is completed, the parent ship and the control center send a return instruction to the main control center 71 of the present invention. The invention returns to the port for trimming and waits for the next cruising and fire fighting operation.
The present invention can be more fully understood by those skilled in the art, but the present invention is not limited to the embodiments described above, and other embodiments can be made besides the above embodiments, and all technical solutions formed by equivalent substitutions or equivalent changes are within the protection scope of the present invention.
Claims (3)
1. A semi-submersible unmanned fire-fighting ship comprises a semi-submersible ship body, a pair of propellers arranged at the stern, a fire-fighting main water cannon, a plurality of fire-fighting auxiliary water cannons, a plurality of fog cannons and a plurality of fire-fighting water pumps arranged in the semi-submersible ship body, wherein an M-channel catamaran body is arranged below a main deck, the fire-fighting main water cannon is arranged on a bow platform higher than the main deck, the fire-fighting auxiliary water cannons and the fog cannons are respectively arranged on a side middle bridge, the bridge spans the middle part of the semi-submersible ship body, and the bridge is higher than the bow platform and the side middle bridge; a plurality of fire-fighting water pumps and storage batteries are respectively arranged in the semi-submersible type ship body; the method is characterized in that: still advance/drainage system including monitoring control device, ballast water tank and ballast water tank, monitoring control device includes main control center, vision sensor, antenna, several infrared sensor and several orientation module, main control center is located bow platform, and vision sensor, antenna, several infrared sensor and several orientation module are located respectively and are located the ship bridge, and the ballast water tank sets up respectively in semi-submerged formula hull side both ends about, and ballast water tank advances/drainage system sets up in semi-submerged formula hull.
2. The semi-submersible unmanned fire fighting vessel of claim 1, wherein: the ballast water tank water inlet/outlet system comprises a ballast water pump and two-position three-way electric control ball valves, a main water pipe leading to the outside of the semi-submersible type ship body is divided into two paths, the two paths are respectively connected with a first end of a normally-installed two-position three-way electric control ball valve and a third end of a reversely-installed two-position three-way electric control ball valve, a second end of the reversely-installed two-position three-way electric control ball valve is connected with an input end of the ballast water pump through a water pipe, an output end of the ballast water pump is connected with a second end of the normally-installed two-position three-way electric control ball valve through a water distribution pipe, and the first end of the reversely-installed two-position three-way electric control ball valve.
3. The semi-submersible unmanned fire fighting vessel of claim 1, wherein: and the carbon dioxide foam cabin is connected with the fire-fighting main water monitor and the fire-fighting auxiliary water monitors through compensating water pumps.
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| Application Number | Priority Date | Filing Date | Title |
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| CN202010892555.7A CN112023312A (en) | 2020-08-31 | 2020-08-31 | Semi-submersible unmanned fire-fighting ship |
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| CN202010892555.7A CN112023312A (en) | 2020-08-31 | 2020-08-31 | Semi-submersible unmanned fire-fighting ship |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113975680A (en) * | 2021-11-29 | 2022-01-28 | 沪东中华造船(集团)有限公司 | Fire-fighting safety system and fire-fighting method for container ship deck stacking area |
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| Title |
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| 董秀萍等: ""半潜式平台新型压载水系统"", 《中国海洋平台》 * |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113975680A (en) * | 2021-11-29 | 2022-01-28 | 沪东中华造船(集团)有限公司 | Fire-fighting safety system and fire-fighting method for container ship deck stacking area |
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