How to eliminate pump fire hidden dangers?
In the hot weather, if the pump maintenance and improper use, may cause spontaneous combustion, pump scrapped. The causes of spontaneous combustion pump generally cause electrical leakage, short circuit, boom near the high-voltage lines and oil on fire and so cause. Xiao Bian to say how to eliminate these fire hazards. Pumping a fire electrical reasons 1, leakage and short circuit fire because the line by the damp, high temperature, pressure, and other aspects of the impact, resulting in a part of the wire and wire between the current through, insulation performance decline, when leakage occurs, the leakage When the current encounters a site with a large resistance, a local high temperature will be generated, causing the nearby combustibles to catch fire, thus causing a fire. Bare wires or insulated conductors in the electrical insulation after the insulator is damaged, the line of fire and adjacent, or live and touch at a point touch together, due to a sudden decrease in resistance short circuit, the current suddenly increases, the instantaneous heat is also very Large, not only can the insulation quickly burn, but also to melt the metal, causing a fire. Preventive measures: Check the vehicle electrical circuit for damage. Without permission, do not chaos the line yourself to prevent the circuit overload, the circuit heat. Second, the brake drum heat brake shoe brake shoe does not return the result of hot, the serious consequence is the tire parts of the fire. Preventive measures: 1. Check and adjust the brake shoe and brake drum clearance in time to keep it within the specified standard. If the brake drum is seriously deformed, it should be repaired and replaced. 2. Replace the brake shoe return spring, and check: brake shoe back position. 3. Remove the front wheel brake shoe, polish the hoof pin, copper sleeve, and add a small amount of lithium grease. 4. Brake master valve should be completely drained after braking; if not thorough, it will cause brake to be slowed down, prolong the brake shoe and brake drum slippery grinding time, make brake drum temperature rise faster. Brake valve should be disassembled for cleaning, overhaul. Third, the oil on fire If the pump is not cleaned up clean oil, may not rule out other causes of fire, so before we can take some precautions to avoid such things happen. Preventive measures: 1. Develop to check whether the pump has the habit of oil spills, timely inspection and maintenance. 2. Regularly clean the pump truck grease, keep the truck clean. 3. If it is oil fire can not be used to extinguish fire, use a special fire extinguisher to extinguish the fire. Fourth, high pressure off-line operation of pumping operations as far as possible away from the high-voltage lines, high-voltage line towers and transformers and other high and low voltage power equipment, pump truck arm is easily adsorbed by high voltage wire, fire or cause personal injury. The minimum distance that the pump body and the unfolded boom must be kept from the above electrical equipment under any conditions is shown in the following table: Minimum safe distance between pump boom and high-voltage electric wire To read: Pumps Valves Pipe Fittings Exhibition Information 2016 Exhibition Information Industry Interconnection (Xiamen) Technology Co., Ltd. author: Asian pumps network editor: Yao Xiaoxia (QQ / micro letter:) http://beng.liuti.cn/ (service hotline:)
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