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CN107963653B 一种熔盐氯化系统温度的梯度控制方法 有权

一种熔盐氯化系统温度的梯度控制方法
摘要：
一种熔盐氯化系统温度梯度控制方法，采用熔盐氯化温度梯度控制系统，包括熔盐氯化炉、1#收尘器、2#收尘器、1#四氯化钛淋洗塔、1#四氯化钛淋洗循环槽、返熔盐氯化炉泥浆控制阀、返1#收尘器泥浆控制阀和返2#收尘器泥浆控制阀，在生产过程中，控制熔盐氯化温度梯度控制系统熔盐氯化炉出口温度控制为450℃～650℃、1#收尘器出口温度350℃～400℃，2#收尘器出口温度180℃～230℃。优点是：工艺简单、易操作，使熔盐氯化炉反应产生的气体中髙沸点氯化物杂质能够及时排出系统，防止杂质氯化物在系统内过度沉积。
摘要（英）：

A gradient control method of fused salt chlorination system temperature adopts a fused salt chlorination temperature gradient control system. The fused salt chlorination temperature gradient control system comprises a fused salt chlorination furnace, a 1# dust collector, a 2# dust collector, a 1# titanium tetrachloride elution tower, a 1# titanium tetrachloride elution circulating tank, a returnedfused salt chlorination furnace slurry control valve, a returned 1# dust collector slurry control valve and a returned 2# dust collector slurry control valve; during the production process, a fused salt chlorination furnace outlet temperature of the fused salt chlorination temperature gradient control system is controlled at 450-650 DEG C; the temperature of the 1# dust collector outlet is 350-400 DEG C, and the temperature of the 2# dust collector outlet is 180-230 DEG C. The gradient control method has the advantages of being simple in technique and easy to operate; high-boiling-point chloride impurity in the gas generated through fused salt chlorination furnace can timely discharge out of the system, thereby preventing excessive deposition of impurity chloride.

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