Differential pressure and daily inspection of truck charge air cooler

- Jun 25, 2018 -

In the process of discharging sewage, the truck charge air cooler discharges pressure, and when the impurities accumulate to a certain amount during operation, the differential pressure signal between cooling water inlet and outlet pipes is used to backwash the sewage. The electric contact pressure gauge is connected to the control signal, and the control mechanism opens the electric drain valve. The electric reducer will run at a speed of 3-6 revolutions per minute and is discharged into the cooling water outlet pipe via the sewage drain line and the drain valve. 5-10 minutes or so. When there is a large amount of debris, the filter should not run in place, and the electric device should be operated in the opposite direction to wash the debris.

When the truck charge air cooler is in operation, if the user needs to set the timeliness of the sewage, set the cleaning time in 0-99 hours. Normally set the 12-hour discharge time, the time can be set according to the water quality of the power plant. The situation is adjusted accordingly. That is, set the time to start the electric gear reducer and reverse it so that the blowdown valve opens, and in turn reverse blowback blowdown. After the recoil of all the chambers is completed, the electric device stops working, the electric recoil valve and the electric sewage valve are closed, and the sewage disposal work is all over.

Truck charge air cooler need to effectively check their process parameters during normal operation and are strictly prohibited from over-temperature and over-pressure operation. Check for leaks in compartments, cauldrons, and interface flanges. Check the stability of the base support. Check the vibration of coolers and pipelines. Regularly check the oil color and temperature change after heat exchange.