CN211158275U

CN211158275U - Methanol ship fire-fighting system

Info

Publication number: CN211158275U
Application number: CN201921777402.7U
Authority: CN
Inventors: 晏志清; 王正钧; 晏二华
Original assignee: Jianglong Shipbuilding Co Ltd
Current assignee: Jianglong Shipbuilding Co Ltd
Priority date: 2019-10-22
Filing date: 2019-10-22
Publication date: 2020-08-04
Anticipated expiration: 2029-10-22

Abstract

The utility model aims at providing a simple structure, convenient to use just can effectively put out methyl alcohol boats and ships fire control system of methyl alcohol conflagration fast. The utility model discloses an anti mellow wine foam storage module, sea water input module, blender and a plurality of output module, anti mellow wine foam storage module with sea water input module all with the input of blender is connected, and is a plurality of output module all with the output of blender 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 and foam pump, the output of foam tank with the input of foam pump is connected, the output of foam pump with the blender is connected, sea water input module is with the sea water input in the blender. The utility model discloses be applied to fire extinguishing system's technical field.

Description

Methanol ship fire-fighting system

Technical Field

The utility model discloses be applied to fire extinguishing system's technical field, in particular to methyl alcohol boats and ships fire extinguishing system.

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%.

SUMMERY OF THE UTILITY MODEL

The utility model aims to solve the technical problem that overcome prior art not enough, provide a simple structure, convenient to use and can effectively put out methyl alcohol boats and ships fire control system of methyl alcohol conflagration fast.

The utility model adopts the technical proposal that: the utility model discloses an anti mellow wine foam storage module, sea water input module, blender and a plurality of output module, anti mellow wine foam storage module with sea water input module all with the input of blender is connected, and is a plurality of output module all with the output of blender 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 and foam pump, the output of foam tank with the input of foam pump is connected, the output of foam pump with the blender is connected, sea water input module is with the sea water input in the blender.

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 utility model discloses can be effectual mix and export raw materials and sea water, and overall structure is simple, convenient to 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.

Drawings

Fig. 1 is a schematic structural diagram of the present invention.

Detailed Description

As shown in fig. 1, in this embodiment, the utility model discloses an anti alcohol foam storage module, sea water input module, blender 3 and a plurality of output module, anti alcohol 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 alcohol foam storage module includes foam tank 1 and foam pump 2, foam tank 1's output with the input of foam pump 2 is connected, the output of foam pump 2 with blender 3 is connected, sea water input module is with the sea water input in blender 3.

In this embodiment, a first shut-off valve 4 is provided between the foam tank 1 and the foam pump 2.

In this embodiment, the seawater input module includes a bottom door 5 and a seawater pump 6, which are disposed on the ship, the seawater pump 6 is communicated with the seawater through the bottom door 5, and an output end of the seawater pump 6 is connected to the mixer 3.

In this embodiment, a second stop valve 7 is provided between the sea water pump 6 and the mixer 3.

In this embodiment, the foam tank 1 and the foam pump 2 are connected 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.

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 foam tank 1 is provided with an injection head 10, a liquid level meter and a pressure gauge.

In this embodiment, the seawater pump 6 is communicated with the bottom door 5 through a sea valve, and a stop check valve is arranged between the foam pump 2 and the mixer 3.

The original liquid is supplemented from the injection head 10, and the liquid level condition and the pressure condition of the foam tank 1 can be observed through the liquid level meter and the pressure gauge during the supplement.

The utility model discloses a work flow:

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 driving 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 extinguishes the fire by spraying alcohol resistant foam through the hydrant 9 to the fire point.

Claims

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 1, 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 3, 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 1, 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.