According to the state's mandatory regulations, the service life of liquefied gas tank trailer is 20 years, and it will be forced to be scrapped after more than 20 years. And often many users who don't want to maintain use liquefied gas tank trailers 15 years later, liquefied gas tank trailers are relatively damaged. The utilization rate of the equipment is greatly reduced and the maintenance cost is high. At this time, you will find that the total cost of re purchasing a vehicle is lower than that of continuing to use the vehicle, so it is particularly important to effectively maintain the liquefied gas tank trailers.
How can we maintain the LPG tank trailer to extend its service life?
First of all, in daily maintenance, all connecting valves shall be opened and closed once a half month; In winter, the minimum temperature is below 5 ℃, and the sewage and drainage shall be checked every day. In other seasons, a new vehicle of air shall be put in and discharged once the next day; In summer, when the temperature is above 35 ℃ and the pressure is above 10kgf, start spray cooling; Check the appearance of the storage tank for corrosion protection frequently, and repair in time in case of corrosion protection damage.
Secondly, regular maintenance: the safety valve of the storage tank shall be calibrated once a year; the pressure gauge of the storage tank shall be calibrated once a half year; The tank shall be inspected externally once a year; the tank shall be inspected internally and externally once every four years.
In addition, it should be noted that different media can not be contained in the same tank, especially corrosive and dense media, which will seriously affect the service life of the tank.