CN218516020U

CN218516020U - Large-scale container ship high pressure fire extinguishing system

Info

Publication number: CN218516020U
Application number: CN202222653003.8U
Authority: CN
Inventors: 张键; 谢磊; 王威; 张洁; 汪赵志
Original assignee: Jiangsu Yangzi Xinfu Shipbuilding Co Ltd
Current assignee: Jiangsu Yangzi Xinfu Shipbuilding Co Ltd
Priority date: 2022-10-10
Filing date: 2022-10-10
Publication date: 2023-02-24
Anticipated expiration: 2032-10-10

Abstract

The utility model relates to a boats and ships fire control field provides large container ship high pressure fire extinguishing system. Control system control through the cockpit starts double-acting electricity liquid remote control butterfly valve and the electric valve that the control panel starts ballast pump department, make the ballast pump draw water and supply water to the pressure boost unit through the ballast pipe in the seawater main pipe, control system control soft start control panel, before starting booster pump and booster pump, the electric valve of rear end, with the operating pressure of water pressurization to high-pressure water cannon, reach the effect of putting out a fire, to the ballast pump through control system, booster pump and high-pressure water cannon department pressure sensor's data acquisition, implement the monitoring and the control of pressure, ensure the steady operation of system. Through control system to pressure monitoring, to each executive component control, guarantee that the pressure in the entire system is stable in safe pressure, through the setting of soft start system, guarantee that water pressure satisfies operating pressure in the water cannon, avoid systematic damage.

Description

Large-scale container ship high pressure fire extinguishing system

Technical Field

The utility model relates to a boats and ships field, concretely relates to large container ship high pressure fire extinguishing system.

Background

Since the 21 st century, the large-scale container ship has been accelerated, and in order to meet the market trend, the china shipbuilding industry has developed corresponding preliminary works such as technical reserve, ship type research and development, order taking and the like, and multiple ship enterprises have built 8888TEU, 9200TEU, 9400TEU container ships and the like in succession, thereby advancing to the goal of building ultra-large containers. Since 2013, the number of shipyards in China for constructing containers of ten thousand or more is rapidly increased, which marks that China is fully entering the super-large machine-boxed era and breaks the monopoly of the Japanese-Korean shipbuilding community in the field.

The container ship is a transport ship mainly carrying containers. The container ship enables the circulation speed of container goods to be faster and the safety to be higher. In order to improve the packing amount of the container ship, the container ship is fully stacked from the cabin to the position above the deck surface, and the space between a deck passage and a stacking area is small, so that inconvenience is brought to fire fighting work. When a fire breaks out, the fire is difficult to extinguish in a large range timely and effectively, thereby causing great economic loss. The traditional fire fighting mode is that fire hydrants, dry powder extinguishers and the like are arranged at key positions of ships. According to the fire-fighting and life-saving arrangement structure of the container ship disclosed by the patent CN105966575B, corresponding fire-fighting settings are respectively arranged at the positions of the periphery of a cab zone, a kitchen room at the tail part of a main deck, a living room, a crewmember bedroom zone and the like by a cabin bottom head auxiliary cabin zone, a cabin bottom tail cabin zone and a step ladder for entering and exiting the cabin zone, in a main deck head cab zone, and the like, so that the fire-fighting and life-saving arrangement structure can be timely processed when a fire disaster happens, is reasonable in the number and arrangement of fire-fighting and life-saving equipment, and can improve the overall safety and the timeliness of escape of the ship. However, for large container ships, especially in stockpiling areas, conventional fire fighting measures are difficult to cover in place and cannot meet the requirements of fire fighting in a large range.

With the popularization of fire monitor, the fire monitor is arranged at the high point of the container ship, and the advantages that the fire monitor can control steering, adjust elevation angle and the like are utilized, so that the purpose of covering the whole ship area is achieved. Patent application CN113975680A discloses a container ship deck tank area fire safety system and a fire extinguishing method, wherein seawater is pumped from a seawater main pipe into a ballast main pipe through a ballast pump, high-pressure fire water is provided for a water cannon through a pressure pump, and the water cannon is arranged at the top of an upper building and the top of a chimney to carry out full coverage type fire control on the container ship. However, because the water in the fire fighting pipeline on the ship is not pre-pressurized, the pressure required by the work of the fire monitor can not be reached, and the pressurizing effect is not obvious under the condition of supplying water and pressurizing at the same time; in the working process of the fire monitor, because the water pressure is high, if the water pressure cannot be effectively monitored, the whole fire-fighting system can be damaged.

Disclosure of Invention

In order to overcome the container ship because of piling the goods regional big, and the fire extinguishing system that the passageway space is little and bring arranges the problem of difficulty, the utility model provides a large-scale container ship high pressure fire extinguishing system realizes the effective control to high-pressure system simultaneously, ensures to last normal operating.

In order to achieve the above purpose, the utility model adopts the technical proposal that:

the large container ship high-pressure fire-fighting system comprises two groups of fire-fighting water cannons, wherein each group of fire-fighting water cannons is respectively connected with a water supply unit and a pressurization unit, one group of fire-fighting water cannons is arranged at the top of a container ship chimney, one group of fire-fighting water cannons is arranged at the top of an upper-layer building of a container ship, each group of fire-fighting water cannons consists of four high-pressure water cannons, and the four high-pressure water cannons respectively face to four directions; the water supply unit connected with the fire water monitor at the chimney comprises a first ballast pump, and the first ballast pump extracts seawater from the seawater main pipe and sends the seawater to the corresponding booster pump unit through a ballast pipeline; the water supply unit who is connected with superstructure department fire water cannon includes the second ballast pump, the second ballast pump extracts the sea water and sends to corresponding booster pump unit through the ballast pipeline from the sea water house steward in, the booster unit that corresponds is connected to the fire water cannon, a set of booster unit is installed in the cabin, another set of booster unit presses the installation and establishes machinery department place at last, booster unit includes two parallelly connected booster pumps that set up, install control system at container ship driver's cabin, booster pump soft start board is connected respectively to each booster unit's control end, the front and back end of booster pump is established ties respectively has electric valve, each water supply unit's control end is connected with the start-up control board respectively, pressure sensor is installed respectively to each water supply unit's output, control system collects the pressure of water supply unit department to control start-up control board, soft start-up control board, electric valve and high-pressure water cannon.

Furthermore, the pressure gauges are respectively installed at the water inlet and outlet ends of the booster pump of the boosting unit, a discharge branch is installed between the input end of each ballast pump and the electric valve at the front end of the ballast pump, a valve is connected to the discharge branch, the drain pipe of the discharge branch is connected with a nearby floor drain, the boosting unit supplies water to the fire water monitor through a boosting pipeline, one end of the boosting pipeline is connected with the fire water monitor, and the other end of the boosting pipeline is provided with the valve and is connected with the nearby floor drain.

Furthermore, a pressure regulating valve is arranged on a pipeline between the pressurizing unit and the corresponding fire water monitor, pressure sensors are respectively arranged on the front side and the rear side of the pressure regulating valve, and the pressure sensors transmit pressure signals to the control system.

Furthermore, an electric valve and a pressure gauge are installed at the input end of the high-pressure water monitor, a pressure release valve is installed on a branch pipeline connected with the output pipeline of the pressurization unit, a drain pipe of the pressure release valve is connected with a nearby floor drain, and the electric valve is controlled by a control system.

Further, a pressure gauge and a pressure sensor are respectively installed at the input end and the output end of the ballast pump, the input end of the ballast pump is connected with a seawater main pipe, the seawater main pipe is communicated with the sea chest door, the output end of the ballast pump is connected with a ballast water pipe, a double-acting electro-hydraulic remote control butterfly valve is respectively installed on the ballast water pipe and a pipeline connecting the ballast pump and the seawater main pipe, the pressure sensor transmits a pressure signal to the control system, and the control system controls the double-acting electro-hydraulic remote control butterfly valve.

Furthermore, the ballast main pipe is connected with a ballast tank, the ballast main pipe is provided with a branch, an electric valve is installed on the branch, the ballast main pipe supplies water to the pressurization unit through the branch, and the electric valve is controlled by the control system.

After taking above technical scheme, the beneficial effects of the utility model are that:

1. control system control through the cockpit starts double-acting electricity liquid remote control butterfly valve and electric valve that the control panel starts ballast pump department, make the ballast pump draw water and supply water to the pressure boost unit through the ballast pipe from the sea water house steward, control system control soft start control panel, before starting booster pump and booster pump, the electric valve of rear end, with the operating pressure of water pressurization to high-pressure water cannon, the electric valve of control high-pressure cannon department opens the fire water of supplying suitable pressure to the high-pressure cannon, and adjust the angle of high-pressure cannon, aim at the ignition point and spray, reach the effect of putting out a fire, to the ballast pump through control system, booster pump and high-pressure cannon department pressure sensor's data collection, implement the monitoring and the control of pressure, ensure the steady operation of system.

2. The ballast pump and the booster pump are respectively provided with a discharge branch, the pressure can be discharged by opening a valve when the pressure is overlarge, the high-pressure water pump is provided with a pressure regulating valve and a pressure relief valve, the water pressure at the water cannon can meet the requirement of the high-pressure water cannon, the discharge is finished when the pressure is overlarge, the pressure in the fire-fighting system is stable, and the normal operation is ensured; the water discharged by the discharging branch and the pressure release valve is guided to the nearby floor drain, so that the cabin or other cabins are prevented from being polluted.

According to the technical scheme, the control system is used for monitoring the pressure and controlling each execution element, the pressure in the whole system is guaranteed to be stable in the safe pressure, the water pressure in the water cannon is guaranteed to meet the working pressure through the arrangement of the soft start system, and the damage to the system is avoided.

Drawings

Fig. 1 is a pipeline layout diagram of the present invention.

Fig. 2 is a schematic view of a water supply unit.

Fig. 3 is a layout view of a fire monitor.

Detailed Description

The following detailed description of the embodiments of the present invention is made with reference to the accompanying drawings:

as shown in figure 1, the high-pressure fire-fighting system of the large container ship consists of two groups of independent fire water monitor 1, and an independent water supply unit 2 and an independent pressurizing unit 3 which are connected with each group of fire water monitor.

As shown in fig. 3. One group of fire-fighting water cannons are arranged on the top of a chimney of the container ship, and the other group of fire-fighting water cannons are arranged on the top of an upper-layer building of the container ship or a compass deck. Each group of fire water monitor consists of four high-pressure water monitors 11, wherein the four corners of the four high-pressure water monitors 11 are distributed and the orientation is consistent with the length direction of the ship body. High-pressure water cannon 11 can rotate and adjust the inclination at vertical platform in the horizontal plane, and horizontal gyration angle is 270, and the angle of pitch is at-30 to +70, and the fire gun of optional area ultraviolet detection and camera can the automated inspection condition of a fire to spray, and the fire gun is current product, and its structure and principle are not repeated. Two groups of eight fire monitor may cover the entire area of the container ship.

As shown in fig. 2, the water supply unit 2 includes a seawater main pipe 21, a ballast pump 22, and a ballast pipe 23, the seawater main pipe 21 is connected to a sea chest, and can draw seawater through the sea chest, the ballast pump 22 is connected to the seawater main pipe 21 through a pipe, and sends seawater into a ballast tank through the ballast pipe 23, and a branch pipe 26 is installed on the ballast pipe 23, and supplies water to the pressurizing unit 3 through the branch pipe. The input end and the output end of the ballast pump 22 are respectively provided with a pressure sensor 24 and a pressure gauge, and meanwhile, a double-acting electro-hydraulic remote control butterfly valve 25 is arranged on a pipeline connected with the input end and the output end of the ballast pump 22 so as to realize the opening and closing of the remote control ballast pump, and the electro-hydraulic remote control butterfly valve 25 is provided with scales for displaying so as to determine the opening degree of the electro-hydraulic remote control butterfly valve. A double-acting electro-hydraulic remote-control butterfly valve is also mounted on the branch 26 for controlling the water supply of the water supply unit 2. In the normal state, the branch 26 is closed and the ballast pump 22 is used only for the water supply of the ballast tank, and in the fire fighting state, the double-acting electro-hydraulic remote-control butterfly valve is opened and the ballast pump supplies water to the pressurizing unit 3.

The booster unit 3 is composed of two booster pumps 31 arranged in parallel, the input ends of the two booster pumps 31 are connected with the branch 26 and are respectively provided with an electric valve 32, the output ends of the two booster pumps 31 are respectively connected with the fire water monitor 1 through a booster pipeline 33, the output ends of the two booster pumps 31 are also provided with the electric valves, and the booster pumps can be switched or work simultaneously through the control of the electric valves. The water inlet and outlet of the booster pump 21 are respectively provided with a pressure sensor 34 and a pressure gauge, the input end of each booster pump is respectively provided with a discharge branch 35, a valve is arranged on the discharge branch, when the pressure of the liquid supplied by the ballast pump 22 is high, the valve is opened to release the pressure, and the drain pipe of the discharge branch 35 is connected with a nearby floor drain.

The pressurizing pipeline 33 of the pressurizing unit 3 connected with the fire monitor 1 is provided with a pressure regulating valve 36, the front end and the rear end of the pressure regulating valve 36 are respectively provided with a pressure sensor 37, and the stability of the water pressure supplied to the fire monitor 1 can be ensured through the arrangement of the pressure regulating valve 36. One end of the pressurization pipeline 33 is connected with the fire water monitor 1, the other end is connected with a floor drain, and a valve 38 is arranged for pressure relief or water drainage.

Each high-pressure water cannon 11 is connected with the supercharging pipeline 33 through the fire-fighting pipeline 12 respectively, is installed electric valve 13 and pressure sensor 14 on each fire-fighting pipeline 12 respectively, still is connected with relief valve branch road 15 on each fire-fighting pipeline 12, when the high-pressure water cannon 11 internal pressure is too big, through the relief valve branch road 15 pressure release, the drainage of relief valve branch road 15 is to the floor drain nearby.

The high-pressure fire fighting system is controlled by a control system 4 in a cab, the control system 4 is a conventional control system for ships, a control starting control plate 5 is arranged at a corresponding position of each ballast pump to control the ballast pump 22 to be started, the control starting plate 5 is electrically connected with the control system 4, and the ballast pump can also be controlled in the cab by the control system 4; install in the cabin with the pressure boost unit that chimney department fire water monitor is connected, install at last mechanical department of building with the pressure boost unit of building or compass deck department fire unit connection, soft start control panel 6 is installed respectively in each pressure boost unit department, soft start control panel 6 is connected with control system 1 electricity, the start-up of soft start control panel 6 control booster pump 31, through the control of soft start control panel 6, progressive pressure boost can be realized to booster pump 31, avoid the damage of booster pump 31 and pipeline. Also, the control system 4 can implement control of the soft start control board and the booster pump in the cab.

The control system 4 collects signals of pressure sensors at the ballast pump 22, the booster pump 31, the booster pipeline 33 and the high-pressure water cannon 11 to realize the monitoring of the pressure of the whole system; the system is operated by controlling the electric valves, the ballast pump, the booster pump, the double-acting electro-hydraulic remote control butterfly valve and other executing elements through the calculation of the system.

In the whole system, the water pressure in the system is regulated through the discharge branch 35, the pressure relief valve branch 15, the pressure regulating valve 36 and the like, and when the pressure in the system is overlarge, the water can be discharged and the pressure can be relieved, so that the stable operation of the system is ensured.

The working principle of the system is that when fire is needed to be extinguished, the control system 4 starts the ballast pump 22, the ballast pump 22 (1000 m3/h 4.5 bar) pumps water from the seawater main pipe 21 and sends the water to the booster pump 31, the booster pump 31 (550 m3/h 23 bar) is gradually pressurized after being in soft start, when the water pressure is increased to about 1.4Mpa, the electric valve at the high-pressure water cannon 11 is opened to start injection, and the control system 4 monitors the pressure of the whole fire-fighting system in the injection process.

Claims

1. The large container ship high-pressure fire-fighting system comprises two groups of fire-fighting water cannons, wherein each group of fire-fighting water cannons is respectively connected with a water supply unit and a pressurization unit, one group of fire-fighting water cannons is arranged at the top of a container ship chimney, one group of fire-fighting water cannons is arranged at the top of an upper-layer building of a container ship, each group of fire-fighting water cannons consists of four high-pressure water cannons, and the four high-pressure water cannons respectively face to four directions; the water supply unit connected with the fire water monitor at the chimney comprises a first ballast pump, and the first ballast pump extracts seawater from the seawater main pipe and sends the seawater to the corresponding booster pump unit through a ballast pipeline; the water supply unit who is connected with superstructure department fire water monitor includes the second ballast pump, the second ballast pump draws the sea water and sends to corresponding pressure boost unit through the ballast pipeline from the sea water house steward in, corresponding pressure boost unit is connected to the fire water monitor, a set of pressure boost unit is installed in the cabin, another group pressure boost unit presses and installs at last construction machinery department place, pressure boost unit includes two booster pumps that connect the setting in parallel, a serial communication port, control system is installed at container ship driver's cabin, the soft start-up board of booster pump is connected respectively to each pressure boost unit's control end, the front and back end of booster pump is established ties respectively has electric valve, each water supply unit's control end is connected with the start-up control board respectively, pressure sensor is installed respectively to each water supply unit's output, control system collects the pressure of water supply unit department to control start-up control board, soft start-up control board, electric valve and high-pressure water monitor.

2. The large container ship high-pressure fire fighting system according to claim 1, wherein pressure gauges are installed at water inlet and outlet ends of a booster pump of the booster unit, a discharge branch is installed between an input end of each ballast pump and an electric valve at a front end thereof, a valve is connected to the discharge branch, a drain pipe of the discharge branch is connected to a nearby floor drain, the booster unit supplies water to the fire water monitor through a booster pipe, one end of the booster pipe is connected to the fire water monitor, and the other end of the booster pipe is installed with a valve and connected to the nearby floor drain.

3. The large container ship high-pressure fire fighting system according to claim 1, wherein a pressure regulating valve is installed on a pipeline between the pressurizing unit and the corresponding fire monitor, pressure sensors are installed on the front side and the rear side of the pressure regulating valve, respectively, and the pressure sensors transmit pressure signals to the control system.

4. The high-pressure fire fighting system of large container ship according to claim 1, wherein the input end of the high-pressure water cannon is installed with an electric valve and a pressure gauge, a branch pipeline connecting the high-pressure water cannon and the output pipeline of the pressurizing unit is installed with a pressure relief valve, a drain pipe of the pressure relief valve is connected with a nearby floor drain, and the electric valve is controlled by the control system.

5. The high-pressure fire fighting system for large container ships according to claim 1, wherein the input end and the output end of the ballast pump are respectively provided with a pressure gauge and a pressure sensor, the input end of the ballast pump is connected with a seawater main pipe, the seawater main pipe is communicated with a sea bottom door, the output end of the ballast pump is connected with a ballast water pipe, the ballast water pipe and a pipeline of the ballast pump connected with the seawater main pipe are respectively provided with a double-acting electro-hydraulic remote control butterfly valve, the pressure sensor transmits a pressure signal to the control system, and the control system controls the double-acting electro-hydraulic remote control butterfly valve.

6. The large container ship high pressure fire fighting system according to claim 5, wherein the main ballast conduit is connected to the ballast tank, the main ballast conduit is provided with a branch conduit, an electrically operated valve is installed on the branch conduit, the main ballast conduit supplies water to the pressurizing unit through the branch conduit, and the electrically operated valve is controlled by the control system.