# Selection and Application of Steam Traps

Selection and Application of Steam Traps

The types of steam traps are different, so their structures and principles will also be different, and their performance will also be different. When selecting, it is necessary to choose different steam traps according to different usage occasions and different working condition information, and specific questions are required. Specific analysis.

Calculation method of condensed water in steam trap:

(1) The amount of condensed water generated during pipeline operation Q=q0L(1-Z/%)(kg/h), in this formula:

Q: Amount of condensed water (kg/h)

q0: Pressure reducing valve for condensed water generated by light pipe (kg/h)

L: distance between hydrophobic points (m)

Z: insulation efficiency (%)

(2) The amount of condensed water generated during the operation of steam heating equipment Q=VrC△T/Ht, in this formula:

Q: Amount of condensed water (kg/h)

V: the volume of the heated object (m3)

r: Density solenoid valve of heated object (kg/m3)

C: specific heat of liquid (kcal/kg.OC)

△T: Liquid temperature rise (OC)

H: latent heat of steam (kcal/kg)

t: heating time
According to the amount of condensed water produced by the steam heating equipment during normal operation, multiply the selected correction coefficient k, and then select according to the displacement of the steam trap.

Determine the pressure difference between the inlet and outlet of the steam trap according to the actual working conditions. The inlet pressure of the steam trap refers to the lower working pressure at the inlet of the steam trap due to the fluctuation of the steam pressure or the throttling of the temperature regulating valve; the outlet pressure of the steam trap refers to the higher working pressure that may be formed after the steam trap Back pressure, when discharged into the atmosphere, the actual differential pressure is determined by the inlet pressure of the steam trap.

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