CN217219971U - Foam fire extinguishing device - Google Patents

Abstract

The utility model discloses a foam extinguishing device relates to the fire control technology field, has solved the technical problem that oil conflagration is difficult to put out in the prior art factory building. This device includes transmitter, foam liquid bucket, fire hose and foam rifle, be equipped with first pipeline in the transmitter and with the second pipeline of the pipe shaft intercommunication of first pipeline, the second pipeline other end is connected with the straw, the straw other end stretches into the foam liquid bucket, the both ends of first pipeline are equipped with the joint with the fire hydrant butt joint respectively and with the joint of fire hose butt joint, the foam rifle is connected to the fire hose other end, wherein, the internal diameter ratio of the internal diameter of second pipeline and first pipeline is less than the fourth. Can solve the problem that oily conflagration is difficult to put out in the factory building, the whole small of device is applicable to narrow space and puts out a fire.

Description

Foam fire extinguishing device

Technical Field

The utility model relates to a fire control technical field especially relates to a foam extinguishing device.

Background

At present, fire fighting in a factory building is generally carried out by using fire hydrants and spray fire extinguishing devices to extinguish a primary fire. However, once the fire accident happens due to oil leakage of a plurality of oil pipes and underground hydraulic equipment systems in the plant, the existing fire hydrant and the spraying system are difficult to extinguish the oily fire. Moreover, the factory building is internally provided with a fire extinguisher with the spraying distance of 3 meters, and meanwhile, the fire hydrant is not suitable for fighting class B fires, such as liquid fires of gasoline, diesel oil and the like; and the fire engine can not reach the site due to the narrow space in the factory. Therefore, in view of the above circumstances, a new foam fire extinguishing apparatus suitable for a factory to suppress oil fire needs to be researched.

SUMMERY OF THE UTILITY MODEL

The application provides a foam extinguishing device has solved the technical problem that oily conflagration is difficult to put out in the prior art in the factory building.

The application provides a foam extinguishing device, including the transmitter, the foam liquid bucket, fire hose and foam rifle, be equipped with the first pipeline in the transmitter and with the second pipeline of the pipe shaft intercommunication of first pipeline, the second pipeline other end is connected with the straw, the straw other end stretches into the foam liquid bucket, the both ends of first pipeline are equipped with the joint with the fire hydrant butt joint respectively and with the joint of fire hose butt joint, the foam rifle is connected to the fire hose other end, wherein, the internal diameter ratio of the internal diameter of second pipeline and first pipeline is less than the fourth.

Optionally, the foam gun comprises a joint connected to the fire hose, and the joint of the foam gun is of the same caliber as the joints at the two ends of the first pipe.

Optionally, the foam gun comprises a fire hose provided with a coupling for connection to a fire hose and a foam barrel for connection to the fire hose.

Optionally, the diameter of the outlet end of the foam barrel remote from the fire hose is smaller than the diameter of the end of the foam barrel connected to the fire hose.

Optionally, the suction pipe comprises a hose and a hard pipe connected with one end of the hose, and the other end of the hose is connected with one end of the second pipe of the emitter.

Optionally, the axis of the first conduit and the axis of the second conduit are arranged perpendicular to each other.

Optionally, the hard tube is made of a ferrous material.

Optionally, the second conduit and the suction tube have an internal diameter of 10 mm.

Optionally, at least 200kg of foam concentrate is provided in the foam concentrate bucket.

The beneficial effect of this application is as follows: the utility model provides a foam extinguishing device, utilize current fire hydrant in the factory building, the transmitter respectively with the fire hydrant in the device, the straw, the fire hose meets, the straw stretches into the foam liquid bucket, when the conflagration breaing out, put in place the device removal, open the fire hydrant and make high pressure water along first pipeline transmission to fire hose, second pipeline one end and first pipeline communicate in the pipe shaft department of first pipeline, because the internal diameter ratio of the internal diameter of second pipeline and first pipeline is less than the fourth, absorb the foam liquid in the foam liquid bucket through the straw under the water pressure effect, and form the mixed liquid in the fire hose, further aim at the fire source root from the foam rifle and launch and can put out a fire fast, thereby can solve the problem that oily conflagration is difficult to put out a fire in the factory building, the whole small of device, be applicable to narrow space and put out a fire.

Drawings

In order to illustrate the embodiments of the present invention or the technical solutions in the prior art more clearly, the drawings used in the description of the embodiments will be briefly described below, and it is obvious that the drawings in the following description are only some embodiments of the present invention.

FIG. 1 is a simplified schematic illustration of a foam fire suppression apparatus provided herein;

FIG. 2 is a schematic view showing the detailed structure of the straw shown in FIG. 1;

fig. 3 is a schematic view showing a detailed structure of the foam gun of fig. 1.

The attached drawings are marked as follows: 100-launcher, 110-first pipe, 120-second pipe, 200-foam barrel, 300-fire hose, 400-foam gun, 410-fire hose, 420-foam barrel, 500-suction pipe, 510-hose, 520-hard pipe, 600-hydrant.

Detailed Description

The embodiment of the application provides a foam extinguishing device, has solved the technical problem that oily fire was difficult to put out in the factory building among the prior art.

In order to solve the technical problems, the general idea of the embodiment of the application is as follows:

the utility model provides a foam extinguishing device, includes transmitter, foam liquid bucket, fire hose and foam rifle, be equipped with first pipeline in the transmitter and with the second pipeline of the pipe shaft intercommunication of first pipeline, the second pipeline other end is connected with the straw, the straw other end stretches into foam liquid bucket, the both ends of first pipeline are equipped with the joint with the fire hydrant butt joint respectively and the joint with the butt joint of fire hose, the foam rifle is connected to the fire hose other end, wherein, the internal diameter ratio of the internal diameter of second pipeline and first pipeline is less than the fourth.

In order to better understand the technical solution, the technical solution will be described in detail with reference to the drawings and the specific embodiments.

Referring to fig. 1 and 2 (joints are not shown), the embodiment discloses a foam fire extinguishing apparatus, including a launcher 100, a foam liquid barrel 200, a fire hose 300 and a foam gun 400, wherein the launcher 100 is provided with a first pipeline 110 and a second pipeline 120 communicated with a pipe body of the first pipeline 110, the other end of the second pipeline 120 is connected with a suction pipe 500, the other end of the suction pipe 500 extends into the foam liquid barrel 200, two ends of the first pipeline 110 are respectively provided with a joint butted with a fire hydrant 600 and a joint butted with the fire hose 300, the other end of the fire hose 300 is connected with the foam gun 400, and a ratio of an inner diameter of the second pipeline 120 to an inner diameter of the first pipeline 110 is less than one fourth.

Specifically, utilize current fire hydrant 600 in the factory building, emitter 100 respectively with fire hydrant 600 in the device, straw 500, fire hose 300 meets, straw 500 stretches into foam liquid bucket 200, when the conflagration breaks out, put in place with the device removal, open fire hydrant 600 and make high pressure water transmit to fire hose 300 along first pipeline 110, second pipeline 120 one end and first pipeline 110 communicate in the pipe shaft department of first pipeline 110, because the internal diameter of second pipeline 120 and the internal diameter ratio of first pipeline 110 are less than the fourth, absorb the foam liquid in foam liquid bucket 200 through straw 500 under the water pressure effect, and form the mixed liquid in fire hose 300, further aim at the fire source root from foam gun 400 and launch fast and put out a fire, thereby can solve the problem that the oily conflagration is difficult to put out in the factory building, the whole small size of device, be applicable to narrow space puts out a fire.

The ratio of the inner diameter of second pipe 120 to the inner diameter of first pipe 110 is less than one-fourth to ensure that sufficient foam concentrate can be drawn from foam cylinder 200 through suction pipe 500 when hydrant 600 effluent passes through first pipe 110. It will be appreciated that the inner diameter of straw 500 is not necessarily too small.

Alternatively, the inner diameter of the second pipe 120 and the suction pipe 500 is set to 10mm, and the inner diameter of the first pipe 110 is set to 60 to 70 mm.

Before fire extinguishing, the foam liquid tank 200 is preferably filled with foam liquid, and optionally, at least 200kg of foam liquid is provided in the foam liquid tank 200.

Optionally, the foam gun 400 includes a coupling connected to the fire hose 300, and the coupling of the foam gun 400 is identical to the coupling provided at both ends of the first pipe 110 in caliber. For example, 65mm is beneficial to the type selection of the fire hose 300 and the butt joint of the launcher 100 and the fire hydrant 600.

Alternatively, as shown in fig. 2, the suction pipe 500 includes a hose 510 and a hard pipe 520 connected to one end of the hose 510, and the other end of the hose 510 is connected to one end of the second pipe 120 of the emitter 100. The hose 510 is used for facilitating the practical operation, and the hard pipe 520 is used for facilitating the extension into the foam liquid barrel 200.

Alternatively, as shown in fig. 1, the axis of the first conduit 110 and the axis of the second conduit 120 are perpendicular to each other, which means that the lumen of the first conduit 110 and the lumen of the second conduit 120 are barely formed into a T shape.

Optionally, the hard tube 520 is made of a ferrous material.

Alternatively, as shown in fig. 3, foam gun 400 includes a fire hose 410 and a foam barrel 420 connected to fire hose 410, fire hose 410 being provided with a coupling to fire hose 300. The mixed liquid of the water from the hydrant 600 and the foam concentrate formed in the fire hose 300 is ejected from the nozzle of the foam plastic barrel 420.

Alternatively, as shown in fig. 3, the diameter of the outlet end of foam barrel 420 distal from fire hose 410 is smaller than the diameter of the end of foam barrel 420 connected to fire hose 410, and the inner diameter of the body of foam barrel 420 may be selected to be tapered to increase the rate of spray from the nozzle of foam barrel 420 by reducing the diameter.

While the preferred embodiments of the present invention have been described, additional variations and modifications in those embodiments may occur to those skilled in the art once they learn of the basic inventive concepts. It is therefore intended that the appended claims be interpreted as including the preferred embodiment and all such alterations and modifications as fall within the scope of the invention.

It will be apparent to those skilled in the art that various changes and modifications may be made without departing from the spirit and scope of the invention. Thus, if such modifications and variations of the present invention fall within the scope of the claims and their equivalents, the present invention is also intended to include such modifications and variations.

Claims (9)

1. A foam fire extinguishing device is characterized by comprising a transmitter, a foam liquid barrel, a fire hose and a foam gun, wherein a first pipeline and a second pipeline communicated with a pipe body of the first pipeline are arranged in the transmitter, the other end of the second pipeline is connected with a suction pipe, the other end of the suction pipe extends into the foam liquid barrel, two ends of the first pipeline are respectively provided with a joint butted with a fire hydrant and a joint butted with the fire hose, and the other end of the fire hose is connected with the foam gun;

wherein the ratio of the inner diameter of the second conduit to the inner diameter of the first conduit is less than one quarter.

2. Foam fire extinguishing apparatus according to claim 1, wherein the foam gun comprises a coupling for connection to the fire hose, the coupling of the foam gun corresponding to the calibers of the couplings provided at the two ends of the first pipe.

3. Foam fire fighting unit according to claim 2, wherein said foam gun comprises a fire hose and a foam barrel connected to said fire hose, said fire hose being provided with a coupling connected to said fire hose.

4. The fire fighting foam hose of claim 3 wherein the diameter of the outlet end of the foam barrel remote from the fire hose is less than the diameter of the end of the foam barrel connected to the fire hose.

5. A foam fire fighting unit as defined in claim 1 wherein said suction hose includes a hose and a rigid pipe connected to one end of said hose, the other end of said hose being connected to one end of said second conduit of said emitter.

6. Foam fire-extinguishing apparatus according to claim 1 or 5, wherein the axis of the first conduit and the axis of the second conduit are arranged perpendicular to each other.

7. Foam fire extinguishing apparatus according to claim 5, wherein the hard pipe is made of a ferrous material.

8. Foam extinguishing apparatus according to claim 1, wherein the second conduit and the suction pipe have an internal diameter of 10 mm.

9. Foam fire extinguishing apparatus according to claim 1, wherein at least 200kg of foam concentrate is provided in the foam concentrate cartridge.

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