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Clean and environmental-frendly: pollution control is good; H2S≤20mg/Nm3 dust≤10mg/Nm3;
Efficient: High gasification temperature. Less slag and fly ash; carbon conversion rate increasedto 98%;
Strong adaptability to coal: the pulverized coal gasification technology; quality requirement range is extensive;
Compared with the technology of Shell and Texaco, the costs of construction and operation reduced greatly and the downstream gas users match the process
Clean and environmental-frendly: pollution control is good; H2S≤20mg/Nm3 dust≤10mg/Nm3;
Efficient: High gasification temperature; Less slag and fly ash; carbon conversion rate increasedto 98%;
Strong adaptability to coal: the pulverized coal gasification technology; quality requirement range is extensive;
Compared with the technology of Shell and Texaco, the costs of construction and operation reduced greatly and the downstream gas users match the process
Process description:
On the basis of the clean coal gasification technology, the company has developed a new type of coal gasification technology---entrained-flow Gasifier, which uses coal gasification technology. Entrained-flow bed gasification system consists of grinding system of coal, pulverized coal gasification system, pneumatic conveying systems, water treatment systems, DCS control systems, oxygen system components.
After the coal mill system, the qualified pulverized coal grindeing is conveyed by nitrogen gas to the burners, then into the gasifier for mixing up with the gasification agent (oxygen and steam), the liquid slag produced during the redox reaction will flow down into the slag pool.
Coal gas flows through the gasifisier bottom to enter series of the heat exchanger I, the heat exchanger II, the heat exchanger III, the heat exchanger IV, fly ash filter system, the desulfurization system for temperature drop, dedustingg desulphurization, then the clean gas is sent to users.
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