Notes

They Mainly Forestall Vibration And Agglomeration
Carbon dioxide fire extinguishing agent is a form of fireplace extinguishing agent with a historical past of multiple hundred years. It's low-cost, straightforward to obtain and prepare. It primarily relies on suffocation and partial cooling to extinguish fire. Carbon dioxide has a better density, about 1.5 occasions that of air. Dry powder hearth extinguisher is a type of fire extinguisher , according to the type of dry powder fireplace extinguishing agent, it may be divided into: ① bizarre dry powder fireplace extinguisher; ② superfine dry powder fire extinguisher. 2. The working precept is totally different Below regular stress, liquid carbon dioxide will vaporize immediately. Generally, 1kg of liquid carbon dioxide can produce about 0.5 cubic meters of gasoline. Due to this fact, when extinguishing a fire, carbon dioxide gas can exclude air and surround the floor of the burning object or distribute it in a relatively closed space, scale back the oxygen focus around the combustible or within the protecting area, and produce asphyxiating effect to extinguish the hearth. The dry powder hearth extinguisher is outfitted with dry powder fireplace extinguishing brokers corresponding to ammonium phosphate salt. This dry powder hearth extinguishing agent is straightforward to move and dry. It is composed of inorganic salts and crushed and dried additives, which may successfully struggle the preliminary hearth.

3. Different features When carbon dioxide is ejected from the storage container, it's going to shortly vaporize from the liquid right into a fuel, and absorb part of the heat from the surroundings to play a cooling position. Widespread dry powder fire extinguishing brokers are primarily composed of lively hearth extinguishing parts, hydrophobic elements, and inert fillers. The hydrophobic parts mainly embrace silicone oil and hydrophobic white carbon black. There are numerous types of inert fillers. They primarily forestall vibration and agglomeration, enhance the motion efficiency of the dry powder, and catalyze the dry powder. Silicone oil polymerization and improving compatibility with foam hearth extinguishing brokers. 4. The scope of use is totally different Carbon dioxide hearth extinguishing agent is primarily used in archives and instrument laboratories. Because this type of fire extinguisher leaves nothing after spraying, there is no trace in any respect. Dry powder fire extinguishers are suitable for extinguishing ABC three kinds of fires, that is, stable, gas, and liquid fires. 5. Use the same primary technique The tactic of use is similar, which is a four-step course of: elevate up and shake, pull out the security plug, hold the nozzle, and shoot at the foundation of the flame.
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