Energy-saving process of coal methanol
A coal-to-methanol and process technology, which is applied in the field of coal-to-methanol energy-saving technology, can solve the problems of difficulty in utilization and high temperature, and achieve the effects of reducing cooling water consumption and optimizing cooling capacity configuration.
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[0022] Example
[0023] A coal-to-methanol energy-saving process, comprising the following process, (1) as figure 1 and 2 As shown, using coal as raw material, the gasifier produces crude gas 30*10 4 Nm 3 / h, the crude gas of the gasification unit first enters the gas-liquid separator of the shift system, and after the condensate is separated, it is divided into two paths: shift gas 16*10 4 Nm 3 / h and untransformed gas 14*10 4Nm3 / h. The shift gas line is as follows: the shift gas enters the first shift furnace, the temperature of the shift gas exiting the first shift furnace is 417°C, and then enters the 1# high pressure steam generator to heat the boiler water to generate high pressure steam and send it to the pipe network. The shift gas from the 1# high pressure steam generator enters the second shift furnace, and after the second shift, it enters the 1# medium pressure steam generator, and the boiler feed water produces medium pressure steam and sends it to the pipe ...
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