The basic function of the steam trap is to discharge the condensate, air and carbon dioxide in the steam system as soon as possible while preventing steam leakage to the utmost extent. For the trap function, energy saving measures, operation, maintenance management and other aspects of what are the specific requirements? Exclude condensate water leaks. Exclude condensation from time to time do not leak steam trap is the most basic conditions. Therefore, although it is a condensate trap that eliminates accumulation with steam, it is not called a condensate trap and is called a steam trap. Trap valve action is accurate, sensitive refers to the condensation of water to open and close the case. That is, when condensate is excluded, the trap is fully open and rapidly discharged; it can be quickly closed at the end of the discharge to prevent valuable steam leakage. This is the main performance traps. In other words, the trap only fully open and fully closed two cases, if the switch slow, the switch is not in place, will cause throttling effect, easy to cause damage to the trap as a whole, but also the main reason for the leakage of steam. As mentioned above, the trap in principle is fully open or fully closed, that is, open and close action. Depending on the type, there may be two types of continuous discharge and intermittent discharge. All condensate water can be excluded from anywhere in the steam system. Steam traps must be capable of high delivery, accurately exclude the use of steam piping equipment, heat exchangers and other major equipment and steam system any part of the condensate generated. Can discharge both air and condensate. The air mixed into the steam plant was initially mixed with the steam and was not separated until the steam formed water. It creates an air layer on the heat transfer surface of the steam-using equipment, severely affecting heat conduction and must therefore be vented. Applicable pressure range. For traps, if the pressure changes slightly its performance is affected, or even stop the action is not acceptable, in which case its performance is not affected, and can adapt to any pressure. At the same time require the steam trap to allow greater back pressure. Easy maintenance and repair. This requirement is related to the structure of the trap. Trap requires a simple structure, fewer moving parts. In order to make the valve action parts do not produce stress, the day should choose the appropriate materials, more importantly, its structure should be easy to process. In short, steam traps in the management should not require full-time staff to carry out regular maintenance work, that is to reduce maintenance costs. High practicality. Traps should be small, light weight, high life expectancy, low prices, and not due to air or steam barriers and loss of drainage capacity, the occurrence of air blocking and steam locks and other accidents.
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