High-temperature molten slag two-step waste heat recovery device and waste heat recovery method
A waste heat recovery device and high-temperature melting technology, applied in furnaces, waste heat treatment, furnace components, etc., can solve problems such as insufficient heat recovery and utilization of high-temperature molten slag, deterioration of working conditions on the production site, pollution of water resources and air, etc., and achieve saving The effect of arranging space, improving working conditions, and saving energy
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[0030] The present invention will be further described below in conjunction with accompanying drawing:
[0031] Such as figure 1 As shown, the high-temperature molten slag waste heat recovery device provided by the present invention includes a jet granulator 2, a granulation cylinder 3, a water slag pool 9, a spiral tube heat exchanger 8, a heat exchanger flue 11, and a steam drum 16 , Regenerator 17 and so on. The granulation cylinder 3 can be a circular cylinder or a square cylinder. The lower end of the granulation cylinder 3 is inserted into the water slag pool 9. The insertion requirement is that there is a pressure difference between the inside and outside of the lower end of the granulation cylinder. To form a liquid level difference, the height from the water level in the slag pool 9 to the lower end surface of the granulation cylinder 3 is greater than the height of the water level drop in the granulation cylinder 3 due to positive pressure, ensuring that the lower e...
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