Methanol ship fire fighting system and method
阅读说明：本技术 一种甲醇船舶消防系统及方法 (Methanol ship fire fighting system and method ) 是由 晏志清 王正钧 晏二华 于 2019-10-22 设计创作，主要内容包括：本发明旨在提供一种结构简单、使用方便且能有效快速扑灭甲醇火灾的甲醇船舶消防系统及方法。本发明包括抗醇泡沫存储模块、海水输入模块、混合器以及若干输出模块,所述抗醇泡沫存储模块和所述海水输入模块均与所述混合器的输入端连接,若干所述输出模块均与所述混合器的输出端连接,若干所述输出模块分布在船舶的各个舱室中,所述抗醇泡沫存储模块包括泡沫罐和泡沫泵,所述泡沫罐的输出端与所述泡沫泵的输入端连接,所述泡沫泵的输出端与所述混合器连接,所述海水输入模块将海水输入所述混合器中。本发明应用于消防系统的技术领域。(The invention aims to provide a methanol ship fire fighting system and a methanol ship fire fighting method, which are simple in structure, convenient to use and capable of effectively and quickly extinguishing a methanol fire. The device comprises an alcohol-resistant foam storage module, a seawater input module, a mixer and a plurality of output modules, wherein the alcohol-resistant foam storage module and the seawater input module are connected with the input end of the mixer, the output modules are connected with the output end of the mixer, the output modules are distributed in various cabins of a ship, the alcohol-resistant foam storage module comprises a foam tank and a foam pump, the output end of the foam tank is connected with the input end of the foam pump, the output end of the foam pump is connected with the mixer, and the seawater input module inputs seawater into the mixer. The invention is applied to the technical field of fire fighting systems.)
1. The utility model provides a methyl alcohol boats and ships fire extinguishing system which characterized in that: it includes anti mellow wine foam storage module, sea water input module, blender (3) and a plurality of output module, anti mellow wine foam storage module with sea water input module all with the input of blender (3) is connected, and is a plurality of output module all with the output of blender (3) is connected, and is a plurality of output module distributes in each cabin of boats and ships, anti mellow wine foam storage module includes foam tank (1) and foam pump (2), the output of foam tank (1) with the input of foam pump (2) is connected, the output of foam pump (2) with blender (3) are connected, sea water input module is with the sea water input in blender (3).
2. The methanol marine fire fighting system of claim 1, wherein: a first stop valve (4) is arranged between the foam tank (1) and the foam pump (2).
3. The methanol marine fire fighting system of claim 2, wherein: the seawater input module comprises a bottom door (5) and a seawater pump (6), wherein the bottom door (5) and the seawater pump (6) are arranged on a ship, the seawater pump (6) is communicated with seawater through the bottom door (5), and the output end of the seawater pump (6) is connected with the mixer (3).
4. The methanol marine fire fighting system of claim 3, wherein: and a second stop valve (7) is arranged between the seawater pump (6) and the mixer (3).
5. The methanol marine fire fighting system of claim 4, wherein: the foam tank (1) is connected with the foam pump (2) through a foam pipeline, and the output end of the seawater pump (6) is communicated with the foam pipeline through a third stop valve (8).
6. The methanol marine fire fighting system of claim 5, wherein: the output module comprises a fire hydrant (9) and a fire box, the fire box is fixed on the side wall of the ship cabin, the fire hydrant (9) is arranged in the fire box, and the fire hydrant (9) is connected with the mixer (3) through a valve and a conveying pipe.
7. The methanol marine fire fighting system of claim 1, wherein: the output module further comprises a spray head, a gas concentration sensor and a smoke sensor, the spray head is connected with the mixer (3), when the concentration in the cabin exceeds a preset value, the gas concentration sensor feeds back an electric signal to enable the spray head to be in a preparation state, and when the smoke sensor detects dense smoke, the spray head is started to spray foam.
8. The methanol marine fire fighting system of claim 1, wherein: and the foam tank (1) is provided with an injection head (10), a liquid level meter and a pressure gauge.
9. The use method of the methanol ship fire fighting system based on claim 6 is characterized by comprising the following steps:
A. the flow rates of the first stop valve (4), the second stop valve (7) and the third stop valve (8) are adjusted in advance by a crew member;
B. when a methanol fire disaster occurs, the foam pump (2) and the seawater pump (6) are started, a part of seawater enters the foam pipeline under the drive of the seawater pump (6) to be mixed with foam stock solution, the other part of seawater enters the mixer (3), the foam pump (2) drives the diluted foam stock solution to enter the mixer (3), and the foam stock solution and the seawater are stirred in the mixer (3) to generate a large amount of anti-alcohol foam;
C. the crew member sprays the alcohol-resistant foam to the fire point through the hydrant (9) to extinguish the fire.
Technical Field
The invention is applied to the technical field of fire-fighting systems, and particularly relates to a methanol ship fire-fighting system and a methanol ship fire-fighting method.
Background
On ships transporting methanol or ships using methanol as a fuel for marine engines, if a fire or explosion occurs when methanol leaks, ordinary carbon dioxide fire extinguishment and conventional foams cannot completely extinguish the methanol fire due to the characteristic that the combustion ratio of methanol in air is 6% -36.5%.
Disclosure of Invention
The invention aims to solve the technical problem of overcoming the defects of the prior art and provides a methanol ship fire fighting system and a methanol ship fire fighting method which are simple in structure, convenient to use and capable of effectively and quickly extinguishing a methanol fire.
The technical scheme adopted by the invention is as follows: the device comprises an alcohol-resistant foam storage module, a seawater input module, a mixer and a plurality of output modules, wherein the alcohol-resistant foam storage module and the seawater input module are connected with the input end of the mixer, the output modules are connected with the output end of the mixer, the output modules are distributed in various cabins of a ship, the alcohol-resistant foam storage module comprises a foam tank and a foam pump, the output end of the foam tank is connected with the input end of the foam pump, the output end of the foam pump is connected with the mixer, and the seawater input module inputs seawater into the mixer.
According to the scheme, the foam tank is used for storing foam, the foam pump is arranged to convey the raw materials in the foam tank to the mixer, the seawater is conveyed to the mixer through the seawater input module, proportional mixing of the foam raw materials and the seawater is achieved by controlling the flow of the valves at the two input ends of the mixer, and then the foam is output through the output module, so that fire extinguishment is achieved. The invention can effectively mix and output the raw materials and the seawater, and has simple integral structure and convenient use.
Preferably, a first stop valve is arranged between the foam tank and the foam pump.
According to the scheme, the first stop valve is arranged to control the output of the foam raw material and the opening and closing of the foam tank.
One preferred scheme is that the sea water input module comprises a bottom door and a sea water pump, wherein the bottom door is arranged on a ship, the sea water pump is communicated with sea water through the bottom door, and the output end of the sea water pump is connected with the mixer.
According to the scheme, the seawater pump is used for inputting seawater into a pipeline system and providing water pressure.
Further preferably, a second stop valve is arranged between the seawater pump and the mixer.
According to the scheme, the flow of the seawater is controlled by arranging the second stop valve.
Further preferred scheme is, pass through foam pipeline between foam jar and the foam pump and be connected, the output of sea water pump passes through the third stop valve with the foam pipeline intercommunication.
As can be seen from the above, by feeding a small amount of seawater into the foam pipe, the foam raw material is more easily pulled by the foam pump.
Preferably, the output module comprises a fire hydrant and a fire fighting box, the fire fighting box is fixed on the side wall of the ship cabin, the fire hydrant is arranged in the fire fighting box, and the fire hydrant is connected with the mixer through a valve and a delivery pipe.
According to the scheme, the fire hydrant is arranged to spray foam to extinguish the methanol fire.
Further preferably, the output module further comprises a spray head, a gas concentration sensor and a smoke sensor, the spray head is connected with the mixer, when the concentration in the cabin exceeds a preset value, the gas concentration sensor feeds back an electric signal to enable the spray head to be in a preparation state, and when the smoke sensor detects dense smoke, the spray head is started to spray foam.
It is thus clear from the above-mentioned scheme that whether the gaseous methanol that detects through setting up the gas concentration inductor leaks, and the feedback signal of telecommunication makes when appearing leaking the shower nozzle is in the initial state in advance, and then can put out in the instant reaction when the conflagration appears, simultaneously through setting up the smog inductor carries out the detection of smog. The gas concentration sensor and the smoke sensor are of common models in the market.
One preferred scheme is that the foam tank is provided with an injection head, a liquid level meter and a pressure gauge.
According to the scheme, the injection head is used for supplementing the anti-alcohol foam raw material, the liquid level meter is used for observing the liquid level height of the raw material, the pressure gauge is used for detecting whether the foam tank is in overpressure, and when the overpressure occurs, the sound and light alarm is given out through the alarm.
The using method comprises the following steps:
A. the flow rates of the first stop valve, the second stop valve and the third stop valve are adjusted in advance by a crew member;
B. starting the foam pump and the seawater pump when a methanol fire disaster happens, wherein one part of seawater enters the foam pipeline under the driving of the seawater pump to be mixed with foam stock solution, the other part of seawater enters the mixer, the foam pump drives the diluted foam stock solution to enter the mixer, and the foam stock solution and the seawater are stirred in the mixer to generate a large amount of anti-alcohol foam;
C. the crew member sprays the anti-alcohol foam to the fire point through the hydrant to extinguish the fire.
According to the scheme, the flow of the valve is adjusted in advance, and the foam pump and the seawater pump can be started to quickly mix foam when a methanol fire disaster occurs, so that the quick fire extinguishing is realized.
Drawings
Fig. 1 is a schematic structural view of the present invention.
Detailed Description
As shown in fig. 1, in this embodiment, the present invention includes an alcohol-resistant foam storage module, a seawater input module, a mixer 3, and a plurality of output modules, wherein the alcohol-resistant foam storage module and the seawater input module are both connected to an input end of the mixer 3, the plurality of output modules are both connected to an output end of the mixer 3, the plurality of output modules are distributed in each cabin of a ship, the alcohol-resistant foam storage module includes a
In this embodiment, a first shut-off
In this embodiment, the seawater input module includes a
In this embodiment, a second stop valve 7 is provided between the
In this embodiment, the
In this embodiment, the output module includes a fire hydrant 9 and a fire box, the fire box is fixed on the side wall of the cabin of the ship, the fire hydrant 9 is built in the fire box, and the fire hydrant 9 is connected with the mixer 3 through a valve and a delivery pipe.
In this embodiment, the output module further includes a nozzle, a gas concentration sensor and a smoke sensor, the nozzle is connected to the mixer 3, when the concentration inside the cabin exceeds a preset value, the gas concentration sensor feeds back an electric signal to make the nozzle in a ready state, and when the smoke sensor detects dense smoke, the nozzle is started to spray foam.
In this embodiment, the
In this embodiment, the
The original liquid is supplemented from the
The using method comprises the following steps:
A. the flow rates of the
B. when a methanol fire disaster occurs, the
C. the crew member extinguishes the fire by spraying alcohol resistant foam through the hydrant 9 to the fire point.
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