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Introduction of Product

Power heaters are making technology to realize a dream with a better future.
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General

  • Dissolved oxygen and carbon dioxide in the Boiler Feed Water of industrial steam generators that are used in electricity plants and incineration plants, causes the corrosion of the Boiler Feed Water Container, which significantly affects the durability of pipes and all the equipment. To eliminate the dissolved oxygen and carbon dioxide, installing a deaerator is essential. This deaerator can also preheat the Boiler Feed Water up to the necessary temperature as a Feed Water Heater, which helps increase the efficiency of the equipment.

Classification
by Shape

Classification by Shape

Generally, the Deaerator is divided into two parts; the top, deaerating Heater (for degassing) and the bottom, Storage Section. Due to their different shapes, the deaerating Heater is classified into Vertical deaerator type, and Horizontal deaerator type.

  • Vertical deaerator with horizontal storage tank

    - Applicable to small and medium capacity(up to 220 ton/hr)

  • Horizontal deaerator with horizontal storage tank

    - Applicable to large capacity (over 220 ton/hr)

Principle of
deaerating

Principle of deaerating

Degassing is based on three scientific principles.

First, Henry's law states that the solubility of the gas is proportional to the partial pressure of the gas which is in equilibrium with the solvent.

The second is that the pressure of the mixed gas is equal to the sum of the pressures of the individual components when two or more different gases are mixed in a single container by the law of partial pressure of the Dalton.

The last is the relationship between gas solubility and temperature. Briefly, the gas solubility of a solution decreases with increasing temperature and close to saturation temperature.

Deaeration is based on two scientific principles. The first principle can be described by Henry’s Law. Henry’s Law asserts that gas solubility in a solution decreases as the gas partial pressure above the solution decreases. The second scientific principle that governs deaeration is the relationship between gas solubility and temperature. Briefly explained, gas solubility in a solution decreases as the temperature of the solution rises and approaches saturation temperature. A deaerator utilizes both of these natural processes to remove dissolved oxygen, carbon dioxide and other non-condensible gases from boiler feedwater.

The feedwater is sprayed in thin films into a steam atmosphere allowing it to become quickly heated to saturation. Spraying feedwater in thin films increases the surface area of the liquid in contact with the steam, which results in more rapid oxygen removal and lower gas concentrations. This process reduces the solubility of all dissolved gases and removes them from the feedwater. The liberated gases are then vented from the deaerator. This system reduces dissolved oxygen concentration to less than 0.005 cc/liter (7 ppb) and completely eliminates the carbon dioxide concentration.

A thermal power station is a power plant in which heat energy is converted to electric power. The turbine is steam-driven. Water is heated, turns into steam and spins a steam turbine which drives an electrical generator. After it passes through the turbine, the steam is condensed in a condenser and recycled to where it was heated; The greatest variation in the design of thermal power stations is due to the different heat sources, fossil fuel dominates here, although nuclear heat energy and solar heat energy are also used. Some prefer to use the term energy center because such facilities convert forms of heat energy into electrical energy. Certain thermal power plants also are designed to produce heat energy for industrial purposes of district heating, or desalination of water, in addition to generating electrical power.