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What are the methods of using fire-fighting water?

Update:06-09-2021
Summary:

In the event of a fire, you should first quickly open t […]

In the event of a fire, you should first quickly open the aluminum alloy door of the fire hydrant in the vicinity of the fire site and use the cast aluminum sprinkler (snap head) and manual alarm device (red small square box) stored in the fire hydrant to make the alarm and start The purpose of the fire hydrant pump.

Method 1: Suitable for more spacious places
When a person is present within a range of 20 meters, the fire hose reel in the fire hydrant can be pulled out of the fire hydrant, and all the hoses in the reel can be pulled out and placed on the ground, and twisted counterclockwise On the water supply valve on the unwinding reel hose, hold the hose nozzle upward in the palm of your left hand and pull it towards the fire. When you reach the fire area, open the valve switch and spray water to the fire area to extinguish the fire. When extinguishing the fire, pay attention to whether the power supply is not turned off in the fire area. The existence of electric wires prevents electric shock from endangering the safety of firefighters.

Method 2: Suitable for more spacious places
If the fire site is more than 20 meters away and three people are present, a firefighter can immediately take out the fire hose from the fire hydrant and stand it upright on the ground, hold the hose inner joint with the mouth of the left hand up, and the mouth of the right hand down. Hold the outer connector of the hose, pull the hose sideways and throw the hose forcefully toward the front of the fire. After throwing the hose, both hands pull back slightly, the hose will roll forward and stretch in a straight line. The right hand holds the side connector Give it to the firefighter who arrives at the same time, hold the other joint to quickly hinge the water source valve of the fire hydrant with both hands, make preparations to open the valve, and the firefighter who arrives at the same time pick up the cast aluminum sprinkler and take the other hand. After the other joint, pull up the hose while running and hinge the sprinkler on the hose joint. After arriving at the fire area and another firefighter arriving at the same time, firmly hold the hose sprinkler and notify the firefighter at the fire hydrant in time Turn on the water source valve and spray water to the fire site to extinguish the fire. If the hose is too far away from the fire site, you can quickly take out another fire hose from another fire hydrant, and throw the hose and operate the water rush to extinguish the fire according to the speed method.

Method 3: Suitable for relatively narrow places
If the fire is more than 20 meters away and three people are present, a firefighter can immediately take out the fire hose from the fire hydrant and lay it flat on the ground, and connect the joint of the outer end of the hose to the water source of the fire hydrant. And another firefighter who arrived at the same time picked up the cast aluminum sprinkler, took the other joint of the hose on the ground, and hinged the sprinkler on the hose joint while running. After arriving at the fire area, the other firefighter arrived at the same time. Firefighters hold the hose nozzle firmly, and promptly notify the firefighters at the fire hydrant to open the water source valve and spray the water to the fire site to extinguish the fire. If the hose is too far away from the fire site, you can quickly take out another fire hydrant from another fire hydrant The hose, and throw the hose and operate the water rush to extinguish the fire according to the speed method.

Precautions for method two and method three:
Two or more people must hold the water gun after it is turned on to increase the accuracy of the water gun jet and prevent the water gun from moving and hurting people. When the water gun is used to extinguish the fire, the window is usually first, up and then down, corners and then forwards. , Swing from the roof next to the window in a zigzag shape, spray it and move it to the corner, put out the fire on the roof and the opening, and then shoot towards the fire.
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