Marine cabin fire safety control system

Abstract

The invention discloses a marine cabin fire safety control system which comprises pneumatic remote control air brakes arranged on air pipes in a cabin respectively, and each pneumatic remote control air brake is connected with an electromagnetic valve. The marine engine room fire safety control system further comprises an engine room fire safety control panel. The cabin fire safety control panel comprises a first signal receiving module capable of receiving an alarm signal of a fire area triggered by the cabin water mist spraying system and a first signal sending module capable of sending a valve control signal to each electromagnetic valve. The first signal receiving module is connected to the first signal transmitting module; the electromagnetic valve is connected to the first signal sending module. According to the invention, automatic control or emergency stop can be carried out on equipment of a corresponding system intensively and quickly, the labor cost is saved, the response speed is high, fire spreading can be effectively prevented, and the safety of ships and personnel is guaranteed.

Description

Technical Field

[0001] The present invention relates to the technical field of ships, and in particular to a fire safety control system for a ship engine room. Background Art

[0002] The engine room, as a Class A machinery space on board a ship, is a frequent place for fires. The engine room fire protection system includes the engine room water mist sprinkler system and the fixed carbon dioxide fire extinguishing system.

[0003] The engine room water mist spray system is mainly used to protect the equipment in the local area of ​​the engine room, such as the main engine, generator, boiler, incinerator and oil separator. The system uses fresh water as the fire extinguishing medium, which has the advantages of environmental protection, easy storage and no harm to the crew and equipment. The engine room water mist spray system consists of a control box, a water supply pump group, a pipe system, an operating valve, a water mist nozzle, a temperature sensor, a flame sensor and an audible and visual alarm device.

[0004] Fixed carbon dioxide fire extinguishing system is mainly used to protect engine room. It uses carbon dioxide as fire extinguishing medium and has the characteristics of fast fire extinguishing speed, non-conductive, and no damage to equipment. The system consists of carbon dioxide control box, release valve box, carbon dioxide gas cylinder group, pipe system, carbon dioxide nozzle, delay unit, temperature sensor, smoke sensor and sound and light alarm device.

[0005] When a fire alarm occurs in the engine room, different fire safety measures are triggered according to the location of the fire and the severity of the fire. At the same time, the crew also needs to perform manual operations such as relevant control and emergency stop of other equipment in the protected space according to different fire safety measures. If the crew operates improperly or responds untimely, the fire may expand and eventually cause damage to the safety of the ship and personnel.

[0006] When a local fire occurs in the cabin, the cabin water mist sprinkler system will be triggered first to extinguish the fire. When the cabin fire cannot be effectively controlled, the fixed carbon dioxide fire extinguishing system will be triggered. Carbon dioxide is released throughout the cabin to reduce the oxygen content in the air and achieve the purpose of fire extinguishing. The cabin water mist sprinkler system is a supplement to the fixed carbon dioxide fire extinguishing system.

[0007] Insufficient existing technology:

[0008] 1. Engine room water mist spray system

[0009] When a local fire occurs in the engine room, the engine room water mist sprinkler system can provide fire extinguishing measures for a single device without shutting down the generator, closing the outlet valve of the fuel tank, cutting off the engine room fan, evacuating personnel and sealing the protected space. The system should be able to operate normally in either of the following two ways:

[0010] a. Fire suppression is implemented when the engine room fan is running and delivering air to the protected space.

[0011] b. Or automatically cut off the air supply to the fan when the system is released to ensure that the fire extinguishing medium is not blown away.

[0012] At present, both methods have certain disadvantages. Four engine room fans are usually installed in the engine room to serve the equipment in the entire engine room. The heat generated by the operation of the equipment in the engine room is taken away by the engine room fan through the air duct, which transports the air outside the engine room into the engine room. The air duct is installed with an air damper, which can manually adjust the air volume and wind speed at the air duct outlet on site. When the engine room water mist spray system is released, the crew cannot control the air damper on site close to the fire source. Therefore, if the engine room fan corresponding to the protected place is not cut off, the air blown out of the air duct facing the fire equipment will affect the fire extinguishing effect of the water mist spray. If the engine room fan corresponding to the protected place is cut off, the normal operation of other equipment supplied by the fan will be affected.

[0013] 2. Fixed carbon dioxide fire extinguishing system

[0014] When a fire occurs in the engine room and the engine room water mist sprinkler system cannot extinguish it, the crew should be notified in advance and confirmed to have evacuated the protected space, and all doors and openings of the protected space should be closed to prevent carbon dioxide leakage from causing damage to the safety of the crew. At the same time, the fans, oil pumps and other equipment in the protected space should be turned off to prevent the fire from further spreading.

[0015] There are two ways to cut off the fan and oil pump: manual and automatic.

[0016] Manual method: Emergency cut-off buttons for engine room fans and oil pumps are installed at the engine room entrance, fire control station, and bridge console. After the fire alarm is triggered, the crew goes to an area far away from the fire to manually cut off the engine room fans and oil pumps. The manual method requires the crew to be able to respond correctly to the fire in an emergency, which has poor timeliness.

[0017] In automatic mode, the carbon dioxide control box sends a carbon dioxide pre-release alarm signal to the main switchboard, automatically cutting off the power supply to the cabin fan and oil pump to achieve automatic control.

[0018] At present, different classification societies have different requirements for fan and oil pump cut-off methods. At the same time, shipowners will make specific requirements based on their personal usage habits. In response to the requirements of classification societies and shipowners, a universal design solution is urgently needed to meet the requirements of classification societies and shipowners. Summary of the invention

[0019] The technical problem to be solved by the present invention is to overcome the above-mentioned defects in the prior art and provide a marine engine room fire safety control system.

[0020] The present invention solves the above technical problems through the following technical solutions:

[0021] A marine engine room fire safety control system comprises pneumatic remote-controlled dampers respectively arranged on each air duct in the engine room, each pneumatic remote-controlled damper is connected to a solenoid valve; the marine engine room fire safety control system also comprises an engine room fire safety control panel; the engine room fire safety control panel comprises a first signal receiving module capable of receiving an alarm signal of a fire area triggered by a water mist spray system in the engine room and a first signal sending module capable of sending a valve control signal to each solenoid valve respectively; the first signal receiving module is connected to the first signal sending module; the solenoid valve is connected to the first signal sending module.

[0022] Furthermore, the cabin fire safety control panel also includes a second signal receiving module capable of receiving an alarm signal released by a fixed carbon dioxide fire extinguishing system and a second signal sending module capable of sending a shutdown signal to the fan and oil pump in the cabin; the second signal receiving module is connected to the second signal sending module; the second signal sending module is connected to a main distribution board capable of controlling the shutdown of the fan and oil pump in the cabin.

[0023] Furthermore, the first signal receiving module is connected to the cabin water mist spray system.

[0024] Furthermore, the second signal receiving module is connected to a fixed carbon dioxide fire extinguishing system.

[0025] Furthermore, the marine engine room fire safety control system also includes a pneumatic damper control box; the solenoid valve is arranged in the pneumatic damper control box.

[0026] Furthermore, the marine engine room fire safety control system also includes a gas cylinder, and the solenoid valve is connected to the gas cylinder; the pneumatic remote control damper and the solenoid valve, and the solenoid valve and the gas cylinder are all connected through air drive pipes.

[0027] Furthermore, the cabin fire safety control panel is provided with a fan emergency cut-off button for manually shutting down the fan in the cabin and an oil pump emergency cut-off button for manually shutting down the oil pump in the cabin.

[0028] Furthermore, the fan emergency cut-off button and the oil pump emergency cut-off button are both connected to the main switchboard.

[0029] Furthermore, the cabin fire safety control panel is provided with a mode switching button capable of switching the electrical interlock between the cabin fan and the oil pump between the automatic control mode and the manual control mode.

[0030] Furthermore, the cabin is divided into several water mist spray protection areas; the air ducts of each water mist spray protection area are provided with pneumatic remote-controlled dampers; the cabin fire safety control panel is provided with a solenoid valve status display terminal for respectively displaying the working status of the solenoid valves corresponding to each water mist spray protection area.

[0031] The beneficial effects of the present invention are as follows: when a fire occurs in different places protected by the water mist spray system of the engine room, the fire safety control system of the present invention can automatically control the closing of the corresponding pneumatic remote control damper through the engine room fire safety control panel, realize the control of ventilation of the fire area, avoid the water mist from being blown away, and effectively improve the efficiency of the water mist spray of the engine room; it can realize the free switching of electrical interlocking control of the engine room fan and oil pump or manual operation of the crew, has a wide range of applicability, is applicable to the specifications of different classification societies, meets the use requirements of shipowners and provides operation convenience for crew members. When a fire occurs in the engine room and the corresponding fire fighting measures are triggered, the fire safety control system of the present invention can automatically control or stop the equipment of the corresponding system in a centralized and rapid manner, save the crew operation cost, reduce the labor cost, have a fast response rate, ensure the timeliness of response, improve the safety and reliability of the engine room fire fighting system, effectively prevent the spread of fire, and ensure the safety of ships and personnel. BRIEF DESCRIPTION OF THE DRAWINGS

[0032] Figure 1 It is a structural schematic diagram of a preferred embodiment of the present invention.

[0033] Figure 2 Schematic diagram of the operating surface of the cabin fire safety control panel according to a preferred embodiment of the present invention. DETAILED DESCRIPTION

[0034] A preferred embodiment is given below, and the present invention is described more clearly and completely in conjunction with the accompanying drawings.

[0035] like Figure 1 and Figure 2 As shown, a marine engine room fire safety control system comprises pneumatic remote control dampers 12 respectively arranged on each air duct 11 in the engine room, and each pneumatic remote control damper 12 is connected to a solenoid valve 13. The solenoid valve can control the opening or closing of the pneumatic remote control damper connected to the solenoid valve.

[0036] The marine engine room fire safety control system also includes an engine room fire safety control panel 20; the engine room fire safety control panel 20 includes a first signal receiving module 21 capable of receiving an alarm signal of a fire area triggered by a cabin water mist sprinkler system and a first signal sending module 22 capable of sending a valve control signal to each solenoid valve respectively.

[0037] The first signal receiving module 21 is connected to the first signal sending module 22 ; the solenoid valve 13 is connected to the first signal sending module 22 . The first signal receiving module 21 is connected to the cabin water mist spraying system 30 .

[0038] When a local fire occurs in the cabin, the cabin water mist spray system will trigger an alarm signal of the fire area to the first signal receiving module of the cabin fire safety control panel, and the first signal receiving module will transmit the received signal to the first signal sending module, and the first signal sending module will send a valve control signal to the solenoid valve of the fire area; the solenoid valve controls the pneumatic remote control damper connected to the solenoid valve to close the pneumatic remote control damper. By closing the pneumatic remote control damper, the ventilation of the fire area can be controlled to prevent the water mist from being blown away, which can effectively improve the efficiency of the cabin water mist spraying.

[0039] The cabin fire safety control panel 20 also includes a second signal receiving module 23 capable of receiving an alarm signal released by a fixed carbon dioxide fire extinguishing system and a second signal sending module 24 capable of sending a shutdown signal to the fan and oil pump in the cabin.

[0040] The second signal receiving module 23 is connected to the second signal sending module 24 ; the second signal sending module 24 is connected to a main switchboard 25 capable of controlling the shut down of the fan and oil pump in the cabin. The second signal receiving module 23 is connected to a fixed carbon dioxide fire extinguishing system 31 .

[0041] The marine engine room fire safety control system further comprises a pneumatic damper control box 40 ; the solenoid valve 13 is arranged in the pneumatic damper control box 40 .

[0042] When the fixed carbon dioxide fire extinguishing system is released, a carbon dioxide pre-release alarm signal will be sent to the second signal receiving module of the cabin fire safety control panel. The second signal receiving module will transmit the received signal to the second signal sending module. The second signal sending module will send a signal to the main distribution board. After receiving the signal, the main distribution board will shut down the fan and oil pump in the cabin.

[0043] The marine engine room fire safety control system is also equipped with an audible and visual alarm component, which will sound an audible and visual alarm when the engine room water mist sprinkler system is activated or the fixed carbon dioxide fire extinguishing system is released.

[0044] The marine engine room fire safety control system also includes a gas cylinder 44, and the solenoid valve 13 is connected to the gas cylinder 44; the pneumatic remote control damper 12 and the solenoid valve 13, and the solenoid valve 13 and the gas cylinder 44 are all connected through an air drive pipe 45.

[0045] For ease of operation, Figure 2 As shown, the operating surface of the cabin fire safety control panel is provided with a variety of functional buttons and switches.

[0046] The operating surface of the cabin fire safety control panel 20 includes a cabin water mist sprinkler system operating function area 41 and a carbon dioxide fire extinguishing system operating function area 42 .

[0047] The engine room is divided into several water mist spray protection areas; each water mist spray protection area is provided with a pneumatic remote control damper on the air duct; the engine room fire safety control panel is provided with a solenoid valve status display terminal 29 for respectively displaying the working status of the solenoid valve corresponding to each water mist spray protection area. The solenoid valve status display terminal 29 is arranged in the engine room water mist spray system operation function area 41. The working status of the solenoid valve includes an open state and a closed state.

[0048] The cabin water mist spray system operation function area 41 is also provided with an alarm display terminal 43 for displaying whether the cabin water mist spray system in each water mist spray protection area is started. When the cabin water mist spray system in the water mist spray protection area is started, the corresponding alarm display terminal sends out an audible and visual alarm.

[0049] For example, when in use, the area protected by the cabin water mist spray system is divided into 7 water mist spray protection areas according to needs, namely:

[0050] Area 1: Host area;

[0051] Area 2: No.1 generator area;

[0052] Area 3: No.2 generator area;

[0053] Area 4: No.3 generator area;

[0054] Area 5: Boiler area;

[0055] Area 6: Incinerator area;

[0056] Area 7: Oil separator area.

[0057] Therefore, in the cabin water mist sprinkler system operation function area on the operating surface of the cabin fire safety control panel, there are 7 solenoid valve status display terminals and 7 alarm display terminals, such as Figure 2 Through these solenoid valve status display terminals and alarm display terminals, the crew can confirm the fire area and the opening and closing status of the corresponding pneumatic remote control dampers.

[0058] In the carbon dioxide fire extinguishing system operation function area 42, the engine room fire safety control panel 20 is provided with a mode switching button 28 capable of switching the electrical interlock between the engine room fan and the oil pump between the automatic control mode and the manual control mode. The automatic control mode can be referred to as the automatic mode; the manual control mode can be referred to as the manual mode. The manual mode or the automatic mode can be selected through the mode switching button. The mode switching button is equipped with a protective shell and locked to prevent the crew from misoperation. The control authority is managed by the chief engineer.

[0059] In the carbon dioxide fire extinguishing system operation function area 42, the cabin fire safety control panel 20 is provided with a fan emergency cut-off button 26 for manually shutting down the fan in the cabin and an oil pump emergency cut-off button 27 for manually shutting down the oil pump in the cabin.

[0060] The fan emergency cut-off button 26 and the oil pump emergency cut-off button 27 are both connected to the main switchboard 25 .

[0061] When the mode switch button is in manual mode, the crew can cut off the fans and oil pumps in the engine room through the fan emergency cut-off button and oil pump emergency cut-off button on the engine room fire safety control panel.

[0062] When the mode switch button is in automatic mode, the carbon dioxide pre-release alarm signal is interlocked with the fan and oil pump in the cabin. The crew only needs to confirm the shutdown status of the fan and oil pump, and no manual operation is required.

[0063] The engine room fire safety control panel is installed in the fire control station.

[0064] The marine engine room fire safety control system of the present invention is provided with a pneumatic remote control damper on the air duct in the engine room; when a fire occurs in different places protected by the engine room water mist spraying system, the engine room fire safety control panel automatically controls the closing of the corresponding pneumatic remote control damper, thereby realizing the control of ventilation of the fire area, preventing the water mist from being blown away, and effectively improving the efficiency of the engine room water mist spraying.

[0065] The marine engine room fire safety control system of the present invention is provided with an automatic / manual mode switching button on the fire safety control panel, which can realize the free switching of electrical interlocking control of the engine room fan and oil pump or manual operation by the crew, has wide applicability, is applicable to the specifications and requirements of different classification societies, meets the use requirements of ship owners and provides operation convenience for the crew.

[0066] The engine room fire safety control panel is installed in the fire control station; it can quickly respond to the engine room water mist sprinkler system and fixed carbon dioxide fire extinguishing system triggered by fire in the engine room, and centrally control the start / stop or emergency stop of related equipment in the protected space.

[0067] The marine engine room fire safety control system of the present invention can centrally and quickly automatically control or emergency stop the equipment of the corresponding system when a fire occurs in the engine room and the corresponding fire fighting measures are triggered, thereby saving crew operating costs, reducing labor costs, having a fast response rate, ensuring response timeliness, improving the safety and reliability of the engine room fire fighting system, and being able to effectively prevent the spread of fire, thereby ensuring the safety of the ship and personnel.

[0068] Although the specific embodiments of the present invention are described above, it should be understood by those skilled in the art that this is only for illustration and the protection scope of the present invention is defined by the appended claims. Those skilled in the art may make various changes or modifications to these embodiments without departing from the principles and essence of the present invention, but these changes and modifications all fall within the protection scope of the present invention.

Claims

1. A marine engine room fire safety control system, characterized in that: It includes pneumatic remote-controlled dampers respectively arranged on each air duct in the engine room, and each pneumatic remote-controlled damper is connected to a solenoid valve; the marine engine room fire safety control system also includes an engine room fire safety control panel; the engine room fire safety control panel includes a first signal receiving module capable of receiving an alarm signal of a fire area triggered by a water mist spray system in the engine room and a first signal sending module capable of sending a valve control signal to each solenoid valve respectively; the first signal receiving module is connected to the first signal sending module; and the solenoid valve is connected to the first signal sending module.

2. The marine engine room fire safety control system according to claim 1, characterized in that: The cabin fire safety control panel also includes a second signal receiving module capable of receiving an alarm signal released by a fixed carbon dioxide fire extinguishing system and a second signal sending module capable of sending a shutdown signal to the fan and oil pump in the cabin; the second signal receiving module is connected to the second signal sending module; the second signal sending module is connected to a main distribution board capable of controlling the shutdown of the fan and oil pump in the cabin.

3. The marine engine room fire safety control system according to claim 1, characterized in that: The first signal receiving module is connected to the cabin water mist spray system.

4. The marine engine room fire safety control system according to claim 2, characterized in that: The second signal receiving module is connected to the fixed carbon dioxide fire extinguishing system.

5. The marine engine room fire safety control system according to claim 1, characterized in that: The marine engine room fire safety control system also includes a pneumatic damper control box; the solenoid valve is arranged in the pneumatic damper control box.

6. The marine engine room fire safety control system according to claim 1, characterized in that: The marine engine room fire safety control system also includes a gas cylinder, and the solenoid valve is connected to the gas cylinder; the pneumatic remote control damper and the solenoid valve, and the solenoid valve and the gas cylinder are all connected through air drive pipes.

7. The marine engine room fire safety control system according to claim 2, characterized in that: The engine room fire safety control panel is provided with a fan emergency cut-off button for manually shutting down the fan in the engine room and an oil pump emergency cut-off button for manually shutting down the oil pump in the engine room.

8. The marine engine room fire safety control system according to claim 7, characterized in that: The fan emergency cut-off button and the oil pump emergency cut-off button are both connected to the main switchboard.

9. The marine engine room fire safety control system according to claim 2, characterized in that: The engine room fire safety control panel is provided with a mode switching button which can switch the electrical interlock between the engine room fan and the oil pump between the automatic control mode and the manual control mode.

10. The marine engine room fire safety control system according to claim 1, characterized in that: The engine room is divided into several water mist spray protection areas; the air ducts of each water mist spray protection area are equipped with pneumatic remote-controlled dampers; the engine room fire safety control panel is equipped with a solenoid valve status display terminal for respectively displaying the working status of the solenoid valve corresponding to each water mist spray protection area.

Images