The spring is still warm in winter, and the static electricity is lurking around us. In many gas stations in busy areas, self-help fueling channels are often not popular for queuing, but owners are refueling with static electricity, which can easily cause fires. We need to take it seriously.
Discharge before refueling, metal keyboard is not to look good
The owner's hair, plush toys and clothes worn in the car can easily generate static electricity by rubbing, and static electricity can be generated when the hair is straightened. Before refueling, owners must release their static electricity and then refuel. Before the vehicle owner refuels, the user needs to enter information on the dispenser's keyboard. The metal keyboard on the dispenser is directly in contact with the ground. During the input process, the body's electrostatic discharge can be eliminated. Some refuelers have an electrostatic discharge device. Touch the electrostatic discharger with your hand to release the static electricity from your body before refueling.
When you refuel, don’t “go to the west and return to your carâ€
During the refueling process, the hand should be stable to prevent the fueling gun from slipping during the refueling process. The temperature is low, and some car owners like to return to the car after they start to refuel. The return of the car may lead to static electricity once again. People are too lazy to really save! In this case, the static electricity must be eliminated again from the inside of the vehicle before touching the nozzle.
After adding the oil, the residual oil drops on the oil gun head
Refueling staff reminded that after the refueling, some car owners could not wait to pull out the oil gun. This is a very dangerous practice. In fact, there are residual oil droplets on the oil gun head after the completion of oil addition. At this time, the oil gun is pulled out immediately, and it is easy to make residual oil droplets drip on the body or the ground, thus causing fire hazards. Therefore, after the completion of the oil, wait for a while, wait until the residual oil on the oil gun head is drained and then remove the oil gun.
Tips: Increase the humidity in the car to prevent the generation of static electricity. For example, put a wet towel or wet wipe in the car, and wipe the hand with a wet towel or wet wipe before you refuel it to eliminate static electricity.
1. Wear-resisting steel plate is composed of two parts: low carbon steel plate and alloy wear-resisting layer. The alloy wear-resisting layer is generally 1/3~1/2 of the total thickness. When working, the matrix provides comprehensive properties such as strength, toughness and plasticity to resist external forces, and the alloy wear layer provides the wear resistance to meet the requirements of specified working conditions.
2, wear-resisting steel plate alloy wear-resisting layer and substrate is metallurgical combination. Through special equipment, the use of automatic welding process, the high hardness self-protection alloy welding wire evenly welded on the substrate, composite layer number of one layer to two layers or even multilayer, composite process due to the alloy shrinkage ratio is different, uniform transverse crack, which is the remarkable characteristics of wear-resistant steel plate.
3, the gold wear-resistant layer is mainly chromium alloy, but also add manganese, molybdenum, niobium, nickel and other alloy components, metallographic structure in the carbide fiber distribution, fiber direction and surface vertical. The microhardness of carbide can reach HV1700-2000, and the surface hardness can reach HRC58-62. Alloy carbide has strong stability at high temperature, maintain high hardness, but also has good oxidation resistance, under 500℃ completely normal use.
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