CN217938947U - Fire-extinguishing foam injection device suitable for small crude oil storage tank - Google Patents

Abstract

The utility model provides a foam injection apparatus puts out a fire suitable for small-size crude oil storage tank, including the foam cylinder, foam proportional mixing device, wet alarm, foam control valve and injection person in charge, the delivery port connection that the injection is responsible for is equipped with the injector head, the injection person in charge keeps away from injector head one end and connects and be equipped with the fire-fighting water pump, foam proportional mixing device is including foam proportional mixer, foam proportional mixer is located one side that wet alarm is close to the injector head, foam proportional mixer and wet alarm all are located the injection person in charge, the foam cylinder export is connected with foam proportional mixer through the foam liquid pipeline, foam liquid pipeline connects and is provided with the foam control valve, moreover, the steam generator is simple in structure, put out a fire for foam injection apparatus through improving spray set, save equipment cost, carry out the auto-induction through the smoke inductor and detect, start foam injection apparatus and in time cover the fire extinguishing, reduce the untimely other risks that appear of putting out a fire, improve oil time of putting out a fire, reduce property loss.

Description

Fire-extinguishing foam injection device suitable for small crude oil storage tank

Technical Field

The utility model mainly relates to the technical field of foam fire extinguishing devices, in particular to a fire extinguishing foam injection device suitable for a small crude oil storage tank.

Background

The foam extinguishment principle is that a large amount of foam can be sprayed out when extinguishment is carried out, and the foam can be adhered to combustible materials to isolate the combustible materials from air, so that the aim of extinguishment is fulfilled.

It is unable water of using directly puts out a fire when putting out a fire to oil, the aquatic contains big water molecule, can aggravate the oil burning, consequently adopt the foam to cover when the oil fire control is put out a fire and put out a fire, two kinds of compounds react and produce a large amount of foam liquid, the foam liquid blowout is put out a fire to the comburent, oil burning velocity block in the oil fire control use, and cross the fire area big, when artifical discovery oil burning is assembling the injection and is put out a fire, need consume a large amount of time, consequently, it is very necessary to improve water spraying technique and carry out oil fire control use, and save the expense.

SUMMERY OF THE UTILITY MODEL

The utility model mainly provides a foam injection apparatus of putting out a fire suitable for small-size crude oil storage tank for solve the technical problem who proposes in the above-mentioned background art.

The utility model provides a technical scheme that above-mentioned technical problem adopted does:

the utility model provides a foam injection apparatus puts out a fire suitable for small-size crude oil storage tank, includes foam jar, foam proportional mixing device, wet alarm, foam control valve and sprays the person in charge, the delivery port that sprays the person in charge is connected and is provided with the injector head, the injection is responsible for and is kept away from injector head one end and connects and be provided with the fire pump, foam proportional mixing device is including the foam proportional mixer, the foam proportional mixer is located one side that the wet alarm is close to the injector head, foam proportional mixer and wet alarm all are located the injection is responsible for, the foam jar export through the foam liquid pipeline with the foam proportional mixer is connected, the connection is provided with the foam control valve on the foam liquid pipeline.

Furthermore, one side of the injection main pipe is connected with an injection side pipe, the injection side pipe is connected with a pressure relief valve, and one end, far away from the injection main pipe, of the injection side pipe is connected with the foam control valve.

Furthermore, one side of the wet alarm is provided with a hydraulic alarm bell and a pressure switch through an alarm water pipe in a connecting mode, and one end, far away from the wet alarm, of the alarm water pipe is connected with the pressure relief valve.

Further, the pressure switch is connected with the fire pump.

Furthermore, the spraying main pipe is connected with a smoke sensor, the smoke sensor is connected with a wet alarm, and the wet alarm is connected with a fire pump.

Furthermore, the water inlet of the fire pump is connected with an external fire water source.

Compared with the prior art, the beneficial effects of the utility model are that:

the utility model discloses simple structure puts out a fire for foam injection apparatus to the oil through improving spray set, saves equipment cost, carries out the auto-induction through the smoke sensor and detects, starts the foam and in time covers and puts out a fire, reduces other risks that the untimely appearance of putting out a fire, improves the oil time of putting out a fire, reduces loss of property.

Drawings

Fig. 1 is a schematic view of the overall structure of the present invention.

Fig. 2 is a schematic view of the connection structure of the present invention.

Fig. 3 is a schematic diagram of the circuit connection of the present invention.

Reference numerals: 1. a foam tank; 11. a foam liquid pipeline; 2. a foam proportion mixing device; 21. a foam proportioner; 3. a wet alarm; 31. an alarm water pipe; 32. a water-powered alarm bell; 33. a pressure switch; 4. a foam control valve; 5. a main injection pipe; 51. an injector head; 511. a fire pump; 512. a smoke sensor; 52. a spray side tube; 53. a pressure relief valve.

Detailed Description

In order to facilitate understanding of the present invention, the present invention will be described more fully hereinafter with reference to the accompanying drawings, in which several embodiments of the present invention are shown, but the present invention can be implemented in different forms, and is not limited to the embodiments described in the text, and on the contrary, these embodiments are provided so as to make the disclosure more thorough and complete.

It will be understood that when an element is referred to as being "secured to" another element, it can be directly on the other element or intervening elements may be present, and when an element is referred to as being "connected" to another element, it can be directly connected to the other element or intervening elements may also be present, as the terms "vertical", "horizontal", "left", "right" and the like are used herein for descriptive purposes only.

Unless defined otherwise, all technical and scientific terms used herein have the same meaning as commonly understood by one of ordinary skill in the art to which this invention belongs, and the use of the term knowledge in the specification of the invention herein is for the purpose of describing particular embodiments and is not intended to limit the invention, and the use of the term "and/or" herein includes any and all combinations of one or more of the associated listed items.

Please refer to fig. 1-3, which shows a fire-extinguishing foam injection device suitable for a small crude oil storage tank, comprising a foam tank 1, a foam proportion mixer 2, a wet alarm 3, a foam control valve 4 and an injection main pipe 5, wherein the water outlet of the injection main pipe 5 is connected with an injection head 51, one end of the injection main pipe 5 far away from the injection head 51 is connected with a fire pump 511, the foam proportion mixer 2 comprises a foam proportion mixer 21, the foam proportion mixer 21 is positioned at one side of the wet alarm 3 close to the injection head 51, the foam proportion mixer 21 and the wet alarm 3 are both positioned on the injection main pipe 5, the outlet of the foam tank 1 is connected with the foam proportion mixer 21 through a foam liquid pipeline 11, the foam control valve 4 is connected on the foam liquid pipeline 11, one side of the injection main pipe 5 is connected with an injection side pipe 52, the injection side pipe 52 is connected with a pressure relief valve 53, one end of the spraying side pipe 52, which is far away from the spraying main pipe 5, is connected with the foam control valve 4, one side of the wet alarm 3 is connected with a hydraulic alarm bell 32 and a pressure switch 33 through an alarm water pipe 31, one end of the alarm water pipe 31, which is far away from the wet alarm 3, is connected with a pressure relief valve 53, the pressure switch 33 is connected with a fire pump 511, in a normal state, pressure water in the spraying side pipe 52 enters a control cavity of the foam control valve 4 through the pressure relief valve 53, the foam control valve 4 is in a closed state, the spraying main pipe 5 is connected with a smoke sensor 512, the smoke sensor 512 is connected with the wet alarm 3, the wet alarm 3 is connected with the fire pump 511, a water inlet of the fire pump 511 is connected with an external fire water source, the wet alarm 3 is started through the smoke sensor 512, the wet alarm 3 starts the fire pump 511 to overflow, water flow enters the alarm water pipe 31 to push the hydraulic alarm bell 32 and the pressure switch 33 to work, meanwhile, the water flow of the alarm water pipe 31 pushes the pressure relief valve 53, the pressure relief valve 53 closes the water inlet channel and opens the valve to drain water, the pressure of the control cavity of the foam control valve 4 is reduced, foam liquid pushes the foam control valve 4 open and enters the foam proportion mixer 21 to be mixed with pressure water inside the injection main pipe 5, foam mixed liquid is formed, and the injection head 51 sprays foam to extinguish fire for petroleum.

The utility model discloses a concrete operation as follows:

under a normal state, pressure water in the spraying side pipe 52 enters the control cavity of the foam control valve 4 through the pressure relief valve 53, the foam control valve 4 is in a closed state, when the smoke sensor 512 senses smoke, the smoke sensor 512 starts the wet alarm 3 and the fire pump 511 to work, the wet alarm 3 starts the fire pump 511 to pump water, the water flows into the alarm water pipe 31 to push the hydraulic alarm bell 32 and the pressure switch 33 to work, meanwhile, the water flow of the alarm water pipe 31 pushes the pressure relief valve 53, the pressure relief valve 53 closes a water inlet channel, meanwhile, water is drained, the pressure of the control cavity of the foam control valve 4 is reduced, foam liquid pushes the foam control valve 4 open, the foam control valve 4 enters the foam proportion mixer 21, and is mixed with the pressure water in the spraying main pipe 5 to form foam mixed liquid, and the foam is sprayed through the spraying head 51 to extinguish fire for petroleum.

The present invention has been described above with reference to the accompanying drawings, and it is obvious that the present invention is not limited by the above-mentioned manner, if the method and the technical solution of the present invention are adopted, the present invention can be directly applied to other occasions without substantial improvement, and the present invention is within the protection scope of the present invention.

Claims (6)

1. The utility model provides a foam injection apparatus puts out a fire suitable for small-size crude oil storage tank, includes foam tank (1), foam proportion mixing arrangement (2), wet alarm (3), foam control valve (4) and sprays and be responsible for (5), its characterized in that, the delivery port that sprays and be responsible for (5) is connected and is provided with injection head (51), it is provided with fire pump (511) to spray to be responsible for (5) to keep away from injection head (51) one end connection, foam proportion mixing arrangement (2) are including foam proportion blender (21), foam proportion blender (21) are located one side that wet alarm (3) are close to injection head (51), foam proportion blender (21) and wet alarm (3) all are located spray and be responsible for (5) on, foam tank (1) export through foam liquid pipeline (11) with foam proportion blender (21) are connected, the connection is provided with foam control valve (4) on foam liquid pipeline (11).

2. The fire-extinguishing foam injection device applicable to the small crude oil storage tank as claimed in claim 1, wherein an injection side pipe (52) is connected to one side of the injection main pipe (5), a pressure relief valve (53) is connected to the injection side pipe (52), and one end of the injection side pipe (52) far away from the injection main pipe (5) is connected to the foam control valve (4).

3. The fire-extinguishing foam injection device applicable to the small crude oil storage tank is characterized in that one side of the wet alarm (3) is provided with a hydraulic alarm bell (32) and a pressure switch (33) through an alarm water pipe (31) in a connecting way, and one end, far away from the wet alarm (3), of the alarm water pipe (31) is connected with a pressure relief valve (53).

4. The fire fighting foam injection device for small crude oil storage tanks according to claim 3, wherein the pressure switch (33) is connected to the fire pump (511).

5. The fire-extinguishing foam injection device applicable to the small crude oil storage tank as claimed in claim 1, wherein a smoke sensor (512) is connected to the injection main pipe (5), the smoke sensor (512) is connected to a wet alarm (3), and the wet alarm (3) is connected to a fire pump (511).

6. Fire fighting foam injection device according to claim 1, characterized in that the water inlet of the fire fighting water pump (511) is connected to an external fire fighting water source.

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