Powder coal dry distillation method and device
A technology for pulverized coal and dry distillation, which is applied in special forms of dry distillation, direct heating dry distillation, petroleum industry, etc., can solve the problems of large circulation of solid heat carrier and complex process, so as to improve the utilization value, the process is simple, and the production is increased. effect of ability
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[0052] exist figure 1 On the small-scale test device of the pulverized coal carbonization device shown, 6 groups of tests (Example 1-Example 6) were carried out according to the steps of the pulverized coal carbonization method described in the specific implementation mode of this specification. The pulverized coal raw material 2 is Yima pulverized coal raw material, and its properties are shown in Table 1; the feed rate (the weight flow rate of the pulverized coal raw material 2 entering the pulverized coal raw material feed pipe 3) is 3kg / h (3 kg / hour).
[0053] In Examples 1 to 6, the temperature of the semi-coke bed in the stripping section 17 is 520°C, and the stripping medium is the stripping steam 81 at 520°C. The stripped semi-coke that enters the heat extractor 14 through the semi-coke discharge pipe 16 is cooled to 80° C. by heat extraction medium (de-salted water at ambient temperature). The absolute pressure at the outlet of the tubular charcoal burner 7 is basica...
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