RU117297U1 - FIRE FIGHTING DEVICE (OPTIONS) - Google Patents

Abstract

1. A fire extinguishing device containing a foam generator with the possibility of connecting to a fire hose, a means for mixing water with a foaming agent communicating with the foam generator, a container with a foaming agent and a means for feeding a foaming agent into a means for mixing water with a foaming agent, characterized in that the container with a foaming agent is made with the possibility of its placement and transfer in a knapsack, and the means for feeding the foaming agent into the means for mixing water with the foaming agent is made in the form of a hose connecting the container with the foaming agent located in the knapsack and the means for mixing water with the foaming agent. ! 2. The fire extinguishing device according to claim 1, characterized in that the hose connecting the container with the foaming agent and the means for mixing water with the foaming agent is equipped with a tap. ! 3. The fire extinguishing device according to claim 2, characterized in that the hose connecting the container with the foaming agent and the means for mixing water with the foaming agent is equipped with a valve with a dial-indicator for dosing the foaming agent. ! 4. A fire extinguishing device containing a foam generator with the possibility of being connected to a fire hose, a means for mixing water with a foaming agent communicating with the foam generator, a container with a foaming agent and a means for supplying a foaming agent to a means for mixing water with a foaming agent, characterized in that the container with a foaming agent is made with the possibility of its placement and transfer in a knapsack, and the means for feeding the foaming agent into the means for mixing water with the foaming agent is made in the form of a hose connecting the container with the foaming agent located in the knapsack and the means for mixing water with the foaming agent, while �

Description

FIELD OF TECHNOLOGY

The utility model relates to fire fighting technology, namely, portable fire extinguishing devices for extinguishing fires with air-mechanical foam in low-rise residential and industrial buildings, forest, road and other landscape fires.

BACKGROUND

A known motor pump containing a pump with a drive motor, an engine control unit and a hose line, the pressure hose of which has a spray gun and a connector for connecting the hose to the pump, characterized in that a switch is connected to the spray gun barrel connected by a connecting line to the engine control unit, in this case, the pump is equipped with a heating unit for the pumped liquid connected to the connecting line [1].

The disadvantage of this device is the low fire extinguishing efficiency associated with a limited amount of stored extinguishing agent and with a limited consumption of extinguishing agent.

A multi-purpose mobile foam-generating installation is known for generating foam, mainly at nuclear fuel cycle facilities, including a tank for water or a foaming solution, an electric pump, a comb for connecting medium-sized air-foam generators (foam generators), pipelines, hoses and reinforcement, additionally equipped with foam generators of low multiplicity (K <20) and high-foam (K = 200-1000), working with grids of two types (ordinary - flat or metal fabric - volume weaving), and a valve is installed on the comb, which allows you to smoothly control the flow rate of the foaming solution supplied to the high-foam generator with a flow rate of 0.5-10 l / min. In addition, the tank is equipped with a cover designed to seal it when pressure is created in it up to 6 atm. These features provide increased versatility of the installation [2].

The disadvantage of this device is the significant weight and dimensions, as well as the impossibility of its use in low-rise buildings of rural settlements, forest and other landscape fires

The closest in technical essence and achieved using the technical result (prototype) is a fire extinguishing device developed previously by the applicant, including a fire hose connected to each other and a means for supplying a fire extinguishing agent to the fire zone, characterized in that it contains a means communicating with the fire hose mixing water with a solution of a foaming agent, and the means for supplying the extinguishing agent to the fire zone is made in the form of a foam generator, while the means of mixing I have water with a foaming solution installed in front of a fire hose or a means of mixing water with a foaming solution installed after a fire hose in front of a foam generator or a means of mixing water with a foaming solution is made in the form of an ejection mixer with a suction line of a foaming solution from the foam solution tank, and contains a setting as a foam generator Combined fire extinguishing "PURGA-2" manufactured by ZAO NPO SOPOT. [3]. However, this device is made with the possibility of placement in a fire cabinet and is suitable only for stationary placement and use indoors.

TASKS AND TECHNICAL RESULTS

The objective and technical result of this utility model is to increase the efficiency of extinguishing fires with air-mechanical foam in low-rise residential and industrial buildings in urban and rural settlements, to increase the efficiency of extinguishing forest, road and other landscape fires with the ability to work on water from virtually any source without preliminary water treatment and water purification.

SUMMARY OF THE INVENTION

The problem is solved and the technical result is achieved by the fact that in the fire extinguishing device containing a foam generator with the ability to connect to a fire hose, means for mixing water with a foaming agent in communication with the foam generator, a container with a foaming agent and a means for supplying a foaming agent to a means for mixing water with a foaming agent, the container with a foaming agent is made with the possibility of its placement and transfer in the satchel, and a means of supplying a foaming agent to a means of mixing water with a foaming agent in the form of a hose connecting the knapsack disposed in a container with a foaming agent, and water with a foaming agent mixing facility.

At the same time, the hose connecting the container with the foaming agent and the means of mixing water with the foaming agent is equipped with a tap with a limb indicating the foaming agent dosing.

Moreover, the fire extinguishing device contains a foam generator in the form of a combined fire extinguishing installation UKTP "PURGA-2" manufactured by NPO SOPOP.

BRIEF DESCRIPTION OF THE DRAWINGS

The essence of the utility model is illustrated by drawings.

In figure 1. - a general view of the inventive fire extinguishing device (hereinafter referred to as a knapsack fire extinguishing device) with a combined fire extinguishing device UKTP "Purga 2" manufactured by NPO SOPOP, ZAO with an additional front view A and A

Knapsack fire extinguishing device with a device for combined fire extinguishing UKTP “Purga 2” (RUE) contains a foam generator in the form of a combined fire extinguishing installation “Purga 2” (UKTP “Purga 2”) manufactured by ZAO NPO Sopot with a shut-off device 7, shoulder bag a foaming agent tank 8, a hose for supplying a foaming agent 10, a tap for supplying a foaming agent 9 to the foam generator with a limb indicating the foaming agent in an aqueous solution (respectively, 1, 3 or 6%).

Figure 2 shows the application of a knapsack fire extinguishing device with UKTP "Purga 2" (RUE) according to a useful model with a mobile fire module (PPM) in case of its use when fighting a fire in a detached house.

Figure 3 shows a diagram of the application of a knapsack fire extinguishing device with UKTP "Purga 2" (RUE) according to the invention with a mobile fire module (PPM) in case of its use in fighting a fire in a car accident.

Figure 4 shows a diagram of the water supply to extinguish a fire in a building using a backpack device fire extinguishing with UKTP "Purga 2" (RUE) according to the invention with a mobile fire module (PPM) and the simultaneous protection of a neighboring building using a stationary installation UKTP "Purga" on mobile fire module (PPM). The mobile fire module may include a two-axle automobile trailer towed by a car, tractor or ATV; stationary fire-fighting installation of combined fire extinguishing (UKTP "Blizzard (2 × 2) .8.12.CT"); two knapsack fire extinguishing devices with UKTP "Purga-2" (RUE) according to the invention; two fire engine pumps (stationary and portable); set of fire equipment and hand-held fire tools (firemen’s hands, shovel, suction hoses, suction net, gasoline engine saw ax, brush cutter); containers for water and foaming agent.

If it is necessary to supply sprayed water to a fire, the blowing agent supply valve must be closed.

To supply medium-mechanical air foam, the faucet opens.

As part of the RUE, UKTP “Purga 2” is used with a new nozzle design that provides ejection of a foaming agent from a satchel reservoir.

The predetermined ejected flow rate of the foaming agent is provided by the calculated parameters of the diameter of the nozzle of the nozzle and the neck of the nozzle assembly.

For example, when the crane is fully open (position “6” on the limb), the blowing agent is ejected at a rate of 0.12 l / s. The costs of the foaming agent 0.02 l / s and 0.06 l / s are set by installing the crane with the position on the limb "1" or "3", respectively.

UKTP "Blizzard 2" consists of a body, a nozzle - a sprayer (nozzle), a packet of grids and a ceiling device.

When the working pressure is reached, the flow of the aqueous solution of the foaming agent passing through the nozzles — sprayer (nozzle), increases the speed of movement and is sprayed and forms a cone-shaped stream with the tip at the nozzle. Drops of the solution, due to the forces of surface friction, trap air (eject) and fall on a packet of grids. On the grids there is the formation of foam of medium multiplicity and the formation of a jet. The increase in the length of the jet of foam is due to the design features of the nozzle-spray, providing pulsed generation of foam on the grids.

A foaming solution (6%) is prepared in advance in a water tank.

It is possible to install a foam mixer in the water communications of the installation together with a dispenser that provides a blowing agent flow rate from 0.12 l / s to 0.72 l / s.

A mobile fire module (ППМ) could be equipped with a barrel of a foam foam generator of low multiplicity (K _p ~ 7 ÷ 15). During the operation of this barrel, the jet of the foaming agent leaving the nozzle is sprayed and fills the entire cross section of the pipe, moving at a high speed towards the exit. At the place where the jet exits the nozzle, it is sprayed, forming a vacuum. Air is ejected through openings in the walls of the pipe, water droplets capturing it saturate the stream. Vigorous mixing of the droplets of the foaming agent aqueous solution with air during the movement along the entire length of the barrel tube leads to the formation of foam of low multiplicity and the formation of a jet.

The jet of low-level foam during the joint operation of the barrel of low-foam foam and UKTP “Purga 2” provides conditions for ejecting the flow of medium-foam foam, increasing the range of the common foam jet, which increases the efficiency of fire fighting.

Knapsack fire extinguishing device with UKTP "Blizzard 2" is used as follows:

Sorter with a knapsack fire extinguishing device with UKTP "Blizzard 2" on a mobile fire module (PPM) is taken to the fire zone.

A hose line is laid from the discharge nozzle of the pump of the mobile fire module to the position of the shovel.

Stolshchik puts on a satchel and attaches UKTP "Blizzard 2" to the fire hose.

The motorist of the mobile fire module turns on the pump and opens the pressure valve to supply water to the hose line.

Stolichnik takes a working position, opens the shut-off device, and delivers water to extinguish or forest litter (when creating support strips in forest fires).

If it is necessary to supply foam, the gunman opens the supply (ejection) valve of the foaming agent and feeds it into the fire zone through the foam generator.

At the end of the work, the water supply to the fire hose is stopped, then the hose is disconnected and removed.

Thus, a portable fire extinguishing device was created for effective fire fighting with air-mechanical foam, places that are difficult to access for ordinary fire-fighting equipment - in low-rise buildings of rural settlements, inside buildings and structures, for extinguishing forest and other landscape fires with air-mechanical foam, for fighting fires in low-rise buildings of rural settlements, forest and other landscape fires.

Typical features that provide the ability to confidently achieve a technical result when using the inventive device is:

- the ability to easily deliver fire extinguishing agents directly to the fire zone;

- constant readiness for action,

- simplicity of design and operation,

- high reliability (due to a simpler equipment design).

- the ability to operate the device on water from any source without prior water treatment and water purification.

Placing a container with a foaming agent in the satchel provides the possibility of transferring in the satchel with the release of the firefighter's hands for other fire fighting tools and equipment.

Due to the use of a water-air jet of foam of low multiplicity and foam of medium multiplicity when using the system and method of pulsed fire extinguishing according to the invention, it is possible to quickly extinguish fires in places difficult to access for commonly used equipment.

A detailed description of the design and functioning features prove the industrial applicability of the invention.

Separate parts and components of the equipment of the claimed device according to the invention can be manufactured and materials commonly used in fire fighting equipment, on conventional equipment using conventional technologies.

SOURCES OF RINFORMATION

1. RU 30274 A62C 25/00, publ. 06/27/2003

2. RU 2308996 A62C 27/00, A62C 5/02 Published: 10/27/2007

3. RU 77162 A62C 33/04, publ. 10.20.2008 (prototype)

Claims (4)

1. Fire extinguishing device containing a foam generator with the ability to connect to a fire hose, means for mixing water with a foaming agent in communication with a foam generator, a container with a foaming agent and a means for supplying a foaming agent to a means of mixing water with a foaming agent, characterized in that the container with a foaming agent is made with the possibility of its placement and transfer in the satchel, and the means for feeding the foaming agent to the means for mixing water with the foaming agent is made in the form of a hose connecting the located in the backpack e a container with a foaming agent and a means of mixing water with a foaming agent. 2. The fire extinguishing device according to claim 1, characterized in that the hose connecting the container with a foaming agent and a means of mixing water with a foaming agent is equipped with a tap. 3. The fire extinguishing device according to claim 2, characterized in that the hose connecting the container with the foaming agent and the means for mixing water with the foaming agent is equipped with a crane with a limb indicating the foaming agent dosing. 4. A fire extinguishing device containing a foam generator with the ability to connect to a fire hose, means for mixing water with a foaming agent in communication with the foam generator, a container with a foaming agent and a means for supplying a foaming agent to a means of mixing water with a foaming agent, characterized in that the container with a foaming agent is made with the possibility of its placement and transfer in the satchel, and the means for feeding the foaming agent to the means for mixing water with the foaming agent is made in the form of a hose connecting the located in the backpack e a container with a foaming agent and a means of mixing water with a foaming agent, while the hose connecting the container with a foaming agent and a means of mixing water with a foaming agent is equipped with a crane with a dial gauge indicating the foaming agent.