CN220385675U - Foam tank fire extinguishing device - Google Patents

Abstract

The utility model relates to a foam tank fire extinguishing device, which belongs to the technical field of fire-fighting equipment and comprises an oil storage tank, a foam generator, a foam tank, a foam proportion mixer, a fire pump, a flame detector and a fire alarm controller, wherein a liquid outlet of the foam generator is communicated with an electromagnetic valve, a water inlet of the electromagnetic valve is communicated with a water outlet of the foam generator, a first water outlet of the electromagnetic valve is communicated with a fire extinguishing pipe, a nozzle is arranged in an inner cavity of the oil storage tank, a water inlet pipe is communicated with a first electric ball valve, a liquid outlet pipe is communicated with a second electric ball valve, both the first electric ball valve and the second electric ball valve are communicated with the fire alarm controller, the electromagnetic valve is wirelessly connected with a remote controller, after a worker confirms fire, the electromagnetic valve is controlled by the remote controller, the water inlet is communicated with the fire extinguishing pipe, so that foam liquid is sprayed into the oil storage tank, and the worker can extinguish the fire immediately after confirming the fire, thereby shortening the time for opening the fire extinguishing device and being easier to control the fire.

Description

Foam tank fire extinguishing device

Technical Field

The utility model relates to the technical field of fire-fighting equipment, in particular to a foam tank fire-extinguishing device.

Background

Foam tank we also call fire-fighting foam tank directly, as the name suggests, is a fire-fighting equipment, usually a mixing device, the main body includes tank body, capsule, proportion mixer, drain valve, blow-down valve, relief valve and pressure gauge etc. a fire-fighting fire-extinguishing device is formed by combining. The foam tank fire extinguishing device is widely used for an oil depot storage tank, two groups of flame detectors are arranged around the oil depot storage tank, signals are fed back to a fire alarm controller by the flame detectors, the fire alarm controller gives out alarm sounds, workers go to the site to confirm after hearing the alarm sounds, after confirming that the fire is generated, a water inlet valve and a water outlet valve on the foam tank are required to be manually opened, then a fire pump is manually started, when pumping pressure water of the fire pump flows through a foam proportion mixer, foam stock solution supplied by the foam tank is mixed to form foam mixed solution with a specified proportion, the foam mixed solution is conveyed to a foam generator along a pipeline, air is sucked into the foam generator to form foam to be sprayed, the foam is covered on the liquid surface of the oil depot storage tank, and oxygen is isolated to extinguish the fire. Because the foam tank has a certain distance from the oil depot storage tank to extinguish the fire, when a worker confirms the fire, the worker goes to operate the fire extinguishing device, which may further increase the fire and miss the optimal fire extinguishing time. Aiming at the problems in the prior art, we propose a foam tank fire extinguishing device.

Disclosure of Invention

Aiming at the problems in the prior art, the utility model provides a foam tank fire extinguishing device which is realized by the following technical scheme:

the utility model provides a foam tank extinguishing device, includes oil depot storage tank, foam generator, foam tank, foam proportion blender, fire pump, flame detector and fire alarm controller, the intercommunication has pressure water pipeline between the delivery port of fire pump and the water inlet of foam proportion blender, the intercommunication has the inlet tube between the water inlet lateral wall of foam proportion blender and the water inlet of foam tank, the intercommunication has the drain pipe between the liquid outlet lateral wall of foam proportion blender and the liquid outlet of foam tank, the intercommunication has the transfer line between foam proportion blender liquid outlet and the foam generator liquid inlet, flame detector sets up in oil depot storage tank one side and is higher than oil depot storage tank, flame detector and fire alarm controller signal connection, the liquid outlet intercommunication of foam generator has the solenoid valve, the solenoid valve is two tee bend solenoid valves, solenoid valve water inlet and foam generator delivery port intercommunication, the first intercommunication of solenoid valve has the fire extinguishing pipe, the fire extinguishing pipe intercommunication has the nozzle, in the oil depot storage tank inner chamber, solenoid valve second delivery port intercommunication has the transfer line, the intercommunication has the electric ball valve on the inlet tube, electric ball valve and the second has electric ball valve and the second to communicate with fire alarm controller signal connection.

The utility model is further provided with: one end of the recovery pipe, which is far away from the electromagnetic valve, is communicated with a recovery tank.

The utility model is further provided with: the fire extinguishing pipe is arc-shaped, and the nozzles are provided with a plurality of groups at equal intervals along the circumferential direction of the fire extinguishing pipe.

The utility model is further provided with: the oil depot storage tank inner wall is last fixedly connected with liquid homogenizing plate, liquid homogenizing plate is provided with a plurality of groups along the circumferencial direction equidistant of oil depot storage tank, liquid homogenizing plate and nozzle one-to-one, the nozzle sprays the direction towards liquid homogenizing plate.

In summary, the beneficial technical effects of the utility model are as follows:

when the flame detector detects a flame signal, the flame detector feeds back the signal to the fire alarm controller, the fire alarm controller controls the first electric ball valve and the second electric ball valve to be opened and controls the fire pump to start working, under the normal working state, the water inlet of the electromagnetic valve is communicated with the recovery pipe, after a worker confirms fire, the water inlet of the electromagnetic valve is controlled by the remote controller to be communicated with the fire extinguishing pipe, so that foam liquid is sprayed into the oil depot storage tank, the worker can extinguish fire immediately after confirming fire, and therefore the time for starting the fire extinguishing device is shortened, and the fire is controlled more easily.

Drawings

FIG. 1 is an isometric view for showing the overall structure of the present embodiment;

FIG. 2 is a top view for showing the overall structure of the present embodiment;

fig. 3 is a cross-sectional view taken along section line A-A in fig. 2.

Reference numerals: 1. an oil depot storage tank; 2. a foam generator; 3. a foam tank; 4. a foam proportioning mixer; 5. a fire pump; 6. a flame detector; 7. a fire alarm controller; 8. a pressurized water pipeline; 9. a water inlet pipe; 10. a liquid outlet pipe; 11. an infusion tube; 12. an electromagnetic valve; 13. a fire extinguishing pipe; 14. a nozzle; 15. a recovery pipe; 16. a first electrically operated ball valve; 17. a second electric ball valve; 18. a recovery tank; 19. and (5) a liquid homogenizing plate.

Detailed Description

The present utility model will be described in further detail with reference to the accompanying drawings.

Examples

As shown in fig. 1-3, the foam tank fire extinguishing device disclosed by the utility model comprises an oil storage tank 1, a foam generator 2, a foam tank 3, a foam proportion mixer 4, a fire pump 5, a flame detector 6 and a fire alarm controller 7, wherein a water inlet of the fire pump 5 is connected with a water source (not shown in the figure), a pressure water pipeline 8 is communicated between a water outlet of the fire pump 5 and a water inlet of the foam proportion mixer 4, a water inlet pipe 9 is communicated between a water inlet side wall of the foam proportion mixer 4 and a water inlet of the foam tank 3, a liquid outlet pipe 10 is communicated between a liquid outlet side wall of the foam proportion mixer 4 and a liquid outlet of the foam tank 3, a liquid delivery pipe 11 is communicated between a liquid outlet of the foam proportion mixer 4 and a liquid inlet of the foam generator 2, the flame detector 6 sets up in oil depot storage tank 1 one side and is higher than oil depot storage tank 1, flame detector 6 and fire alarm controller 7 signal connection, the liquid outlet intercommunication of foam generator 2 has solenoid valve 12, solenoid valve 12 is two tee bend solenoid valve 12, the water inlet of solenoid valve 12 and the delivery port intercommunication of foam generator 2, the first delivery port intercommunication of solenoid valve 12 has fire extinguishing pipe 13, fire extinguishing pipe 13 intercommunication has nozzle 14, nozzle 14 sets up in the oil depot storage tank 1 inner chamber, the second delivery port intercommunication of solenoid valve 12 has recovery pipe 15, the intercommunication has first electric ball valve 16 on the inlet tube 9, the intercommunication has second electric ball valve 17 on the drain pipe 10, first electric ball valve 16 and second electric ball valve 17 all communicate with fire alarm controller 7, solenoid valve 12 wireless connection has the remote controller (not shown in the figure). The remote controller is carried by staff, when flame detector 6 detects the flame signal, flame detector 6 feeds back the signal to fire alarm controller 7, fire alarm controller 7 controls first electric ball valve 16 and second electric ball valve 17 to open, and control fire pump 5 begins to operate, under the normal operating condition, the water inlet and the recovery tube 15 of solenoid valve 12 communicate, after the staff confirms the fire, water inlet and fire tube 13 intercommunication through remote controller control solenoid valve 12, thereby spray foam liquid to oil depot storage tank 1, the staff confirms the fire can put out a fire immediately after the fire, thereby the time of opening extinguishing device has been shortened, control the fire more easily, the staff confirms the back again with the water inlet and the fire tube 13 intercommunication of solenoid valve 12, also can avoid flame detector 6 to respond to makeing mistakes, fire foam liquid is directly spouted in the oil depot storage tank 1, the influence that causes the oil quality.

One end of the recovery pipe 15 far away from the electromagnetic valve 12 is communicated with a recovery tank 18, and the recovery tank 18 recovers foam liquid so as to avoid the foam liquid from influencing the surrounding environment.

For making foam liquid spray evenly in to oil depot storage tank 1, fire tube 13 is the arc setting, and nozzle 14 is equidistant along the circumferencial direction of fire tube 13 to be provided with a plurality of groups, fixedly connected with liquid homogenizing plate 19 on the oil depot storage tank 1 inner wall, and liquid homogenizing plate 19 is equidistant along the circumferencial direction of oil depot storage tank 1 to be provided with a plurality of groups, liquid homogenizing plate 19 and nozzle 14 one-to-one, and nozzle 14 sprays the direction towards liquid homogenizing plate 19.

Claims (4)

1. The utility model provides a foam tank extinguishing device, includes oil depot storage tank (1), foam generator (2), foam tank (3), foam proportional mixer (4), fire pump (5), flame detector (6) and fire alarm controller (7), the intercommunication has pressure water pipeline (8) between the delivery port of fire pump (5) and the water inlet of foam proportional mixer (4), the intercommunication has inlet tube (9) between the water inlet lateral wall of foam proportional mixer (4) and the water inlet of foam tank (3), the intercommunication has drain pipe (10) between the drain side wall of foam proportional mixer (4) and the liquid outlet of foam tank (3), the intercommunication has transfer line (11) between foam proportional mixer (4) liquid outlet and foam generator (2) liquid inlet, flame detector (6) set up in oil depot storage tank (1) one side and be higher than oil depot storage tank (1), flame detector (6) and fire alarm controller (7) signal connection, characterized in that, the liquid outlet intercommunication of foam generator (2) has solenoid valve (12) and solenoid valve (12), solenoid valve (12) are produced for two solenoid valve (12) water inlet (12) three-way solenoid valve (12), the fire extinguishing pipe (13) is communicated with a nozzle (14), the nozzle (14) is arranged in the inner cavity of the oil depot storage tank (1), a recycling pipe (15) is communicated with a second water outlet of the electromagnetic valve (12), a first electric ball valve (16) is communicated with the water inlet pipe (9), a second electric ball valve (17) is communicated with the liquid outlet pipe (10), the first electric ball valve (16) and the second electric ball valve (17) are both communicated with the fire alarm controller (7), and the electromagnetic valve (12) is wirelessly connected with a remote controller.

2. A foam tank fire extinguishing apparatus according to claim 1, characterized in that the recovery pipe (15) is connected to a recovery tank (18) at its end remote from the solenoid valve (12).

3. A foam tank fire extinguishing apparatus according to claim 2, characterized in that the fire extinguishing pipes (13) are arranged in an arc shape, and the nozzles (14) are arranged in a plurality of groups at equal intervals along the circumferential direction of the fire extinguishing pipes (13).

4. A foam tank fire extinguishing device according to claim 3, characterized in that the inner wall of the oil storage tank (1) is fixedly connected with a liquid homogenizing plate (19), the liquid homogenizing plates (19) are arranged in a plurality of groups at equal intervals along the circumferential direction of the oil storage tank (1), the liquid homogenizing plates (19) are in one-to-one correspondence with the nozzles (14), and the spraying direction of the nozzles (14) faces the liquid homogenizing plates (19).