Technical
INLET STEAM PRESSURE VARIATIONS:
The basic laws of thermodynamics applies. With the drop in pressure, in saturated conditions, there are a number of property changes, including temperature and specific volume.
Temperature has a direct influence in heat loss from the steam line Pressure & Volume are important factors in the determination of orifice capacity:
THE END RESULT is a compensation by the venturi trap. With regard to the changes in conditions. The loads decreases more than the capacity of the venturi trap decreases, therefore the venturi trap will have no problem performing just as efficiently at the reduced pressure.
BACK PRESSURE VARIATION:
Only a few major factors influence large fluctuations in back pressure.
1. Basic error of assumptions.
2. Addition of equipment which causes an overload of an existing system.
3. Steam trap failure.
A chain reaction develops with failed traps leading to the loss of efficiency of other steam traps discharging into the same system as the failed trap, and their premature eventful failure. All causing slowed production rates. The venturi trap is an obvious solution and improvement as it cannot fail open and overload the exhaust system. Also, with the venturi trap it can be accurately predicted discharge flows.
Condensate is continually removed through the venturi trap, which has a 25% safety factor. This increases the discharge rate, resulting in a lower saturation level. The reduced saturation level allows higher temperatures and more efficient heat transfer.
Under identical conditions, a typical mechanical trap discharges about 6 times per minute, 3 seconds per discharge. Which means it operates 30% of the time. Even when the condensate load is at 25% of maximum capacity, the ENERCON Assembly unit loses only 40% of what a MECHANICAL trap loses. The ENERCON ASSEMBLY is a far better choice.
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