What is the water content in the gas at the outlet of the gasification chamber in coal-water slurry gasification?
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What is the water content in the gas at the outlet of the gasification chamber in coal-water slurry gasification?
You can refer to the relevant sections in the Small Nitrogen Fertilizer Design Manual for calculations
Pressure can be measured; there are also analysis tables for various components such as carbon monoxide and hydrogen, as well as information on temperature. Raoult’s law and Dalton’s law of partial pressures apply here. Just calculate it by yourself and you’ll get the answer
It must be related to the vaporization temperature; it’s the composition before cold water is injected
It is related to the pressure in the gasification furnace; generally, it is about 0.2 higher than the water vapor ratio at the outlet of the water scrubber, reaching around 1.6
The second edition of the Modern Coal Chemical Engineering Technology Manual, on page 573, provides detailed calculation procedures that can be referred to; similarly, the Small Nitrogen Fertilizer Design Manual, on page 570, offers three similar calculation methods
Our single furnace has a capacity of 50,000 Nm3/h, with an overall gas output of 110,000
Is it a rapid cooling process? I would like to know the moisture content before rapid cooling, when no water is added.
About 25% for water-coal slurry; the value is much lower for dry powder gasification.