Dimethyl ether energy-saving heating device and method
A heating method and a heating device technology, which can be used in ether preparation, ether separation/purification, sustainable manufacturing/processing, etc., and can solve the problems of reducing cooling effect, waste of heat energy, etc.
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[0032] Its specific implementation is as follows:
[0033] A, in the first flash tank 2, the medium-temperature condensed water produced by the rectification tower reboiler 3 and the methanol vaporizer is flashed to obtain low-pressure steam;
[0034] B, high-pressure steam tank 7 provides high-pressure steam;
[0035] C. Transport the low-pressure steam generated by A to the steam ejector 5, and at the same time, the high-pressure steam generated by B passes through the internal nozzle of the steam ejector 5, decompresses and accelerates to form a high-speed low-pressure airflow, which drives the low-pressure steam to move, and the two streams share The velocity of the shaft steam is balanced, while the velocity of the mixed steam is reduced and the pressure is increased. By adjusting the ratio of high-pressure steam and low-pressure steam, mixed steam with different pressures can be obtained;
[0036] D. The medium-pressure steam produced by C is sent to the buffer tank 6 f...
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