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实用新型
CN202835423U 一种用于废硫酸高温裂解制硫酸的空气预热器 失效 - 权利终止

一种用于废硫酸高温裂解制硫酸的空气预热器
摘要：
用于废硫酸高温裂解制取工业硫酸工艺中的一个重要设备—空气预热器，属于化工换热设备技术领域。主要包括管程、壳程、热侧进气口、热侧出气口、冷侧进气口、冷侧出气口、管程清理孔、管程排灰孔、管程清理孔、壳程排酸孔、人孔、副线接管，支座。本实用新型的优点在于：换热效果好，热能充分利用，节省了燃料气的用量，经济高效。本设备可以在废硫酸高温裂解制取工业硫酸工艺中大力推广使用。
摘要（英）：

The utility model discloses important equipment, namely an air pre-heater, in a process of preparing industrial sulfuric acid by high-temperature pyrolysis of waste sulfuric acid, and belongs to the technical field of chemical heat exchange equipment. The air pre-heater mainly comprises tube passes, shell passes, a hot side air inlet, a hot side air outlet, a cold side air inlet, a cold side air outlet, a tube pass cleaning hole, tube pass ash discharge holes, a shell pass acid discharge hole, a manhole, a secondary line connection tube and supporting seats. The air pre-heater has the advantages of good heat exchange effect, capabilities of fully utilizing heat energy and saving fuel gas, economy and high efficiency. The air pre-heater can be widely popularized and applied in the process of preparing the industrial sulfuric acid by high-temperature pyrolysis of the waste sulfuric acid.

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