Steam is an essential agent in creating mechanical energy. Before the wave and the wind were discovered as potential driving forces, steam has already been extensively used. However, producing and supplying steam to generate power is crucial in the sense that steam needs to be pure to maintain efficiency. Most steam engines do not produce efficient mechanical energy because of the presence of condensate. To keep condensate from entering the system with the pure steam, a steam trap is placed between ports at a significant location in the network. bẫy hơi đồng tiền
Condensate is water produced by cooling steam. When steam is produced in the boiler, it travels through pipes connecting to the compressor. Before it reaches the compressor, some cool and turn into condensate. This material is considered waste and must not enter the compressor to maintain the efficiency of the process. Therefore, a steam trap is used to separate the steam from the condensate and allow only the steam to travel to the compressor.
A steam trap is a valve used in a pipeline system that conveys steam as fluid. Unlike valves used in plumbing systems for residential and industrial applications, it is not designed to hold much pressure. Since the steam passing through its ports is not subjected to strong pressure, a steam trap is normally not designed with strong obstruction facility. Instead, it has an obstructing object operated by the change in temperature, pressure, or thermodynamic conditions.
There are four major types of steam trap: mechanical, temperature, thermodynamic, and venture trap. Each consists of common components that function to segregate steam and condensate although the obstruction responds to a different element. Mechanical trap has a float that rises and falls to open and obstruct the ports in relation to the condensate level. As the condensate level rises, the float redirects the path of the condensate and keeps the steam.
A temperature trap uses a kind of obstruction that expands and contracts in response to change in temperature. As the temperature rises, the obstruction expands to close in the ports through the seats. The opposite occurs when the temperature drops. This is better than the mechanical trap in that it does not wait for sufficient condensate to open the valves but rather releases the condensate whenever they form.