文档介绍：清洗油罐方法(Tank cleaning method)
Oil tank cleaning method
There are 4 methods of oil tank cleaning, dry washing, wet cleanmes. The first passivation is about 3min, about second 8min;
after passivation 5~10min, rinse again with 290kpa water pressure 8~12min;
remove rinse water, wipe with a damp mop:
ventilation drying:
inspection and acceptance of chemical tank washing quality.
Safety precautions
Tank cleaning is a dangerous job for oil tank, steam not only flammable and explosive, toxic and. Therefore, tank cleaning, must strictly abide by the safety regulations.
open the manhole, stratification test tank bottom oil quality, oil removal and determining treatment scheme.
tank personnel must wear working clothes, shoes, gloves, wearing masks. Take the signal rope and a safety belt, hand care outside the tank into the tank, the time should not be too long, generally 15^20min is appropriate, shift work. In addition, the site should have medical personnel on duty.
cleaning residual oil sewage by broom or wooden tools, prohibit the use of iron and steel tools.
should adopt effective ventilation.
- start steam method should be closed all the tank cover,
When the temperature reaches 60~70 degrees centigrade, then open the lid and continue steaming and washing, so that the residual oil in the tank is dissolved completely.
Cleaning tank must be in accordance with the requireme