Rod Sock
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US $132.50
Live Fire Fighting Equipment, Water In Several Ways
With the rising standard of living of our people, rural and urban consumption increased sharply in recent years because of electrical equipment or lines caused by Fire Frequent, especially in the Northeast to the winter weather with lower temperatures, heavy use of electrical products for the heating circuit overload caused by careless use of electrical appliances or turn off switch and forget the time the fire have increased.
Water conductivity, DC Water gun The water column of fire fighting live electrical equipment, fire fighting personnel on the body is harmful. Therefore, in the fire fighting equipment charged in the case, we usually first cut Power supply And then to put out the fire. However, because of production or other reasons not to cut off power supply when the need to live fire.
Use Hose Electrical fire, the body charged with the injection of the water column, water gun, the human body and the ground will form a current loop, the loop current, adopted by the size of the safety of the human body has a direct impact. If we water column, water gun on the current received directly into the earth, add insulation to protect the human body, it can be put out to protect the safety of personnel. Here are several methods of water charged fire.
One installed in the metal water gun nozzle ground wire
Grounding line section can be 5-10m?, More than 1m long copper strands. Grounding rods are available for more than 1m, diameter 50? Steel or 50 × 50? The angle, fighting personnel to wear gloves and insulated rubber boots. Before the live fire, water should be earthed at one end of the gunmen firmly connected to the metal water gun nozzle on the other end connected with the grounding rods and ground rods driven into underground O. About 5 meters and a ground rod into the salt water or ordinary water office. Ground if the ground wire with other devices to connect, then request access to good water gun when the hand holding the position must be on the ground behind the line, choose the good and the distance between charged body, then shoot the water put out the fire.
Second, wear insulated gloves, insulated boots
Wear insulated gloves and boots off of water charged fire, to choose the most experienced water gunmen, water gun nozzle to maximize the distance between the charged body, must take effective measures to prevent water droplets from flowing into the gloves and rubber boots, station In the insulation board, facing the fire to burst the ways in which water droplets fall on the fire source. Under normal circumstances, it is best not to use to enrich the water column directly at the fire source in order to prevent risk of electric shock
Three, all wearing subdued Are currently in use subdued, there are two: one is the cotton fibers or animal fibers and purple spell twisted wire made of warp and weft cross weaving, another is to use copper or silver by chemical cotton made. Both were subdued in the cotton yarn or cotton inside, contain a significant component of the metal conductor. Made use of this material are overpower, including: hats, gloves, clothing, socks, shoe, etc., and soles are made of conductive rubber. When wearing both the subdued, must take the clothes, gloves, socks and shoes by buttoning a shirt between the good, among them copper twisted together to form a good ground, and then selected according to the size of voltage shoot water from the use of metal water gun shoot put out.
4, spray water Use spray gun or in the DC gun's muzzle to install a dual-stage centrifugal spray head, that is a two-stage centrifugal spray gun. This water gun injection of water, spray a good degree, is almost non-conductive. Experimental results show that when the gun's nozzle distance of 127 kV charged body 5 meters, and 7 kilograms per square centimeter live fire under pressure, no leakage flow range of up to 8-9 meters.
Charged with this spray gun to fire, the gun can not grounding line, direct live fire. However, according to the size of selected voltage and a safe distance from a charged body, Fire Pump pressure should be maintained 0.5? 0.7Mpa, and the water gun water mist emitted normal to shooting at the fire fighting and rescue Charged.
About the Author
I am Mp3 Player Manufacturers writer, reports some information about 3 door fridge , ice cream display freezers.
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