1. Determine the differential pressure between the inlet and outlet of the steam trap based on actual operating conditions. The inlet pressure of the steam trap refers to the low working pressure of the steam trap 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 high work that may be formed after the steam trap Back pressure, when discharged into the atmosphere, the actual pressure difference is determined by the inlet pressure of the steam trap.
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2. Multiply the selected correction factor k by the amount of condensate produced by the steam heating equipment during normal operation, and then select according to the displacement of the steam trap.
3. The amount of condensate can be calculated in the following ways:
(1) The amount of condensate produced during pipeline operation is Q=q0L(1-Z/%) (kg/h). In this formula:
Q: amount of condensed water (kg/h)
Q0: condensed water volume reducing valve (kg/h) generated by the light pipe
L: distance between hydrophobic points (m)
Z: insulation efficiency (%)
(2) The amount of condensate produced by the steam heating equipment during operation Q=VrCâ–³T/Ht, in this formula:
Q: amount of condensed water (kg/h)
V: volume of the object to be heated (m3)
r: density solenoid valve for heated objects (kg/m3)
C: specific heat of liquid (kcal/kg.OC)
â–³ T: liquid temperature rise (OC)
H: latent heat of steam (kcal/kg)
t: Heating time 4. The value of the correction factor K for the common usage conditions is recommended in Table 1 below for reference.
5. The structure and principle of various types of steam traps are different, the performance liquids are not the same. When selecting, different steam traps can be selected according to different use occasions.
