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发明公开
CN105214568A 一种加热器、该加热器的用途和应用该加热器制备异氰酸酯的方法 有权

一种加热器、该加热器的用途和应用该加热器制备异氰酸酯的方法
摘要：
本发明公开了一种用于将气流中的液滴加热气化的加热器，包括加热器壳体和位于所述加热器壳体内部的加热器主体，所述加热器壳体上设有气流入口和气流出口，气流通过所述气流入口进入所述加热器壳体内，流经所述加热器主体，然后通过所述气流出口排出；所述加热器主体包括一个或多个电加热丝交连形成的立体网状结构。本发明还公开了所述加热器的用途和应用上述加热器制备异氰酸酯的方法。本发明的加热器结构简单，在制备异氰酸酯过程中压力损失小，加热均匀，热量利用率高。
摘要（英）：

The invention discloses a heater for heating and gasifying liquid droplets in gas flow. The heater comprises a heater shell body and a heater main body located inside the heater shell body, wherein the heater shell body is provided with a gas flow inlet and a gas flow outlet, and the gas flow enters the heater shell body from the gas flow inlet, flows through the heater main body and then is discharged through the gas flow outlet; and the heater main body comprises one or more three-dimensional mesh structures which are formed through interconnecting electric heating wires. The invention also discloses use of the heater and a method for preparing isocyanate by using the heater. The heater disclosed by the invention is simple in structure, is low in pressure loss during the preparation of isocyanate, uniform in heating and high in heat utilization ratio.

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