In the process of asphalt sprinkler spreading the road surface, it is necessary to pay attention to the amount of asphalt in the vehicle tank at any time. When spouting nozzles blow out the asphalt containing bubbles, it directly indicates that the asphalt in the asphalt sprinkling tank has been sprayed. At this time, the three-way valve should be immediately closed and stopped. Continue spraying. The pipeline is then evacuated. Hot nozzles, torches, and pipes can be used to melt away the bitumen that remains in the tank. Then all the bitumen is brought back into the tank. 1. Asphalt is a flammable object, and the asphalt sprinkler is often used with an open fire. When using an open flame, relevant fire-fighting equipment should be stored. 2. It is not allowed to add fuel oil and oil to the asphalt sprinkler when the flamethrower is ignited. 3. When the filling hole on the top of the asphalt tank of the asphalt sprayer and the suction port are not covered, it is not allowed to use ignition gas. 4. When the ignition burner of the asphalt sprayer is ignited, the chimney cover on the tank should be opened before operation. 5. When the vehicle is in the process of spraying, burners cannot be used. 6. When heating the asphalt in the tank body of the vehicle, the page of asphalt in the tank needs to be higher than the height of the U-shaped fire tube, that is, the fire tube must be submerged. 7. When the portable burner is ignited, the switch of the fuel pipeline of the vehicle is first to open a part of it, and then it can gradually be fully opened, and flammable items cannot be touched. 8. The pressure of the compressed air used by the burner must be limited to a pressure value of 0.4 MPa to 0.3 MPa. 9. After the burner of the vehicle is extinguished, the intake switch of the fuel tank should be turned off, and the remaining pressure in the tank should be completely removed. If the spraying work is carried out with a width of 7 meters, it is necessary to avoid it at all times and notice the collision between the vehicle spraying pipe and the surrounding obstacles.
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