The correct method of preheating the suction truck is to cover the radiator first, open the drain valve, and continuously inject 60~70°C clean soft water into the radiator. When touching the drain valve by hand, feel hot. Close the drain valve, add 90 to 100°C clean soft water to the radiator, and crank the crankshaft so that the moving parts are properly pre-lubricated and then start again.
Do not rush to start the engine after starting. The engine that has just started has a low viscosity, a high oil viscosity, and it is difficult for the engine oil to fill the friction surface of the motor. In the event that the filling station is insufficient, the time for queueing the taxi will be very long. Taking Xi’an’s CNG taxi as an example, each vehicle needs refueling 4 times/day, 0.5 to 1 hour/time, 0.5 hours/time, at least affecting operating income of 50 yuan per day, and earning 1,500 yuan less per month than diesel cars. , And gas quality is not easy to control, there are many problems, complaints, disputes continue.
In August 2004, Shenyang City cancelled the requirement for taxis to install gas appliances. The taxis that have been updated since then are all Jetta diesel vehicles. In addition, the diesel suction truck is reliable and durable, and the failure rate is very low. It is currently impossible for any type of car to use other fuels. Finally, the current domestic gasoline and gas dual-fuel vehicle cars are actually modified, exhaust emissions have not reached the Euro III or even Euro II standards.
Fischer-Tropsch wax can be used in plastic processing, such as injection molding, extrusion and pelletizing industries. In the production process of masterbatch and modified plastics, Fischer-Tropsch wax contributes to the dispersion of fillers and excellent smoothness during mixing. It can be used as an external lubricant for PVC. The low viscosity can increase the production speed of the product. It helps to disperse the pigments and fillers during mixing. It is especially useful in the extrusion of high-viscosity systems. It is more than ordinary PE WAX. 40-50% less, and can significantly improve the surface gloss of the product. When using intense colors, the melted Fischer-Tropsch wax can effectively wet the dye and reduce the extrusion viscosity.
When used in the ink as a particulate powder, it can improve the wear resistance and wrinkle resistance of the applied material. When applied to the coating, it can have a wrinkling effect, and when used in a micro powder state, it can form a wrinkle effect of stripes and water lines. When powder coating resin is added, it plays a role of lubrication in the extrusion process, which can reduce screw torque, reduce energy consumption and improve production efficiency.
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