Description of the working pressure difference and working temperature of the trap

Working pressure difference of the trap: When the trap is selected, the trap cannot be selected by the nominal pressure, because the nominal pressure can only indicate that the trap body is subjected to the pressure level, and the nominal pressure of the trap is greatly different from the working pressure. Therefore, the displacement of the trap should be selected according to the working pressure difference. The working pressure difference is the difference between the working pressure before the trap and the back pressure of the steam outlet. The back pressure of the trap is calculated as follows: (When the condensate is discharged into the atmosphere after the trap, the outlet back pressure of the trap is zero. If the condensate discharged from the trap is collected in a concentrated manner, at this time, the outlet back pressure of the trap It is the sum of the resistance of the return pipe, the rise of the return pipe, and the pressure in the secondary evaporator (backwater tank).)
         Steam trap operating temperature: When using a trap, select the trap that meets the process requirements based on the maximum steam temperature. The saturated steam temperature corresponding to the maximum temperature of the pipeline steam exceeding the nominal pressure is called superheated steam. When the steam trap is selected for the superheated steam pipeline, the special steam trap for high temperature and high pressure superheated steam should be used.