How does the hydrophobic expansion container work?

The working principle of the hydrophobic expansion container is: when the hydrophobic water from boilers and other equipment with higher pressure enters the hydrophobic tank, the pressure is reduced through the expansion container (the expansion container is equipped with a cooling water pipe), and part of the vaporization becomes into steam.

The operating environment of this tutorial: Windows 7 system, Dell G3 computer.

Principle: When the drain water from boilers and other equipment with higher pressure enters the drain tank, the pressure is reduced through the expansion vessel (the expansion vessel is equipped with a cooling water pipe), and part of it vaporizes into steam.

After the unvaporized high-temperature water is cooled, it is sent to the drain tank for use, which can reduce heat loss and soda water loss. The steam can be fed into the plant's low-pressure steam pipe network for utilization.

##Extended information

The main body hydrophobic expansion vessel is used to receive the steam turbine unit body hydrophobic, main steam, reheated steam hydrophobic, steam extraction system hydrophobic, and high heating steam hydrophobic. Accident drains, low plus normal and accident drains, small steam turbine drains, auxiliary steam drains, deaerator overflow, etc. These drains are expanded, decompressed, and cooled to recover the working fluid.

During operation, pay attention to the main body sparse expansion and avoid over-temperature and vibration, so as not to damage the equipment and affect the host vacuum and unit operation. In addition, because the pressure and temperature of each hydrophobicity vary greatly, the hydrophobicity at each location should be divided into high and low pressure levels. kind.

In order to avoid drains with different pressures from interfering with each other, causing accidents and increased stress, drains with similar pressures are connected to the same manifold. This unit has high and low pressure drain headers, which are arranged at the high pressure condenser.

The drainage system includes: automatic or manual control of drainage; thermostat drainage; continuous drainage of the orifice plate; ventilation and steam exhaust valves; steam leakage from the valve stem to be discharged directly into the ditch.

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