Fire extinguisher knapsack: application rules and choice
Hand-held fire extinguisher, like other similardevice, has the features of operation. This device is one of the most convenient, since it has shoulder straps. If necessary, the device will eliminate the focus of fire.
Application
In case of fire, you must act actively, andThe backpack fire extinguisher will allow you to quickly cope with the task of eliminating the flame. Comfort is provided by the presence of shoulder straps or straps, which are behind the firefighter. The device can be taken with you on a hike.
The extinguishing agent in the device is water ornon-corrosive substance. The ignition is localized by extinguishing or by applying strips. This is done both with the use of water, and chemically non-aggressive solutions.
Design
The backpack fire extinguisher is not complexstructure. The liquid container is in the shoulder bag. In order to easily transfer the device, there are belts on the case. For each person, these elements can be regulated.
The device has a lot of weight, so the strapsthere are emollient pillows. To prevent negative consequences from prolonged contact with the container on the wound, there is a thermal insulation. The liquid is drained by a manual water pump - a pump. Although the weight of the device is large, it is still convenient for them to use, since the nanoscale is made of polypropylene.
Operation of the device
Knapsack forest fire extinguisher has a hydropump that allows you to set 1 of the operating modes:
- compact water jet;
- a sprayed stream;
- foamy jet.
For the last mode includedspecial nozzle. In addition to the functional equipment, there is a capacity for drinking water, since the device is used outdoors. Manufacturers of backpack extinguishers create goods with different materials. Some properties may also differ.
How to choose?
That the fire extinguisher knapsack worked effectively,you need to choose a device with the appropriate characteristics. Due to good performance it will be possible to quickly extinguish the fire. The speed of the device depends on the number of liters. The device in 3 l / min perfectly copes with the functions in extreme situations.
Pay attention to the amount of workcapacity. The more this indicator, the better it will be to extinguish the fire. But since the device is used when it is behind your back, you do not need to choose a heavy device. It is enough to buy a knapsack forest fire extinguisher in 25 liters.
It is necessary to take into account the length of the water column. With a vertical directivity it is better to choose a device with an indicator of six meters, and with a horizontal direction - 12 meters. Devices are estimated by the size of the working capacity. It is necessary to choose instruments with parameters 370х190х430 mm (width, depth, height). The kit should have a shoulder bag and a hydraulic pump.
Comparison
Localize a start-fireKnapsack fire extinguishers. The device's photo shows that it is very user-friendly. But each device may have restrictions on the use. They are excellent in those cases where it is necessary to eliminate grass-roots fires, and there is no access to technology.
Devices are used not only in firefightersservices, but also in private, country houses. Foam extinguishers are forbidden to use in cases where a fire is caused by a short circuit. Powder devices are used almost everywhere, but the exception is the quenching of alkali metals and other substances that burn in an oxygen-free environment.
How many knapsack fire extinguishers onfire department? This indicator is determined by a special formula. The amount of equipment that should be in the room is determined by legislative norms.
Of knapsack fire extinguishers, the most popular is "RP 18 Ermak". The capacity of the tank is 18 liters, and the capacity is 2.25 liters per minute. The approximate price of the device is 3100 rubles.
Tips for using
This device effectively performs firefighting. The benefits of the fire extinguisher are many:
- directed jet;
- free hands;
- you can include different modes.
Using a hand pump, water isby moving the shutter back and forth. To quickly extinguish a fire, you need to use a compact and sprayed jet in situations where it is needed. For example, the length of the liquid flow in the first case is 8-9 m, and the sprayed jet is 3.5 m. Therefore, when the ignition is localized, it is possible to approach the source. With the correct assessment of the situation and the use of a suitable volume regime, it is enough to eliminate the source of ignition.
So, this device though compact, buthas several advantages over other fire extinguishers. If there is a fire in the suburban area, you should not carry buckets, since you can use a backpack extinguisher.
It is necessary to regularly check the operabilitydevice. In case of fault finding, the defect should be rectified, otherwise the device will not be able to perform its functions. The fire extinguisher must be in a place designated for it.
Not always water can be close to a fire, butThe shoulder strap is comfortable to use and can be used at any time. It is only necessary to monitor the storage conditions of the device, not to expose it to high temperatures and other negative factors for it.