Device for avoiding corrosion of low-pressure reaction water condenser in dilute nitric acid production

The utility model belongs to the technical field of dilute nitric acid production devices, and particularly relates to a device for avoiding corrosion of a low-pressure reaction water condenser in dilute nitric acid production. The device for avoiding corrosion of the low-pressure reaction water con...

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Bibliographische Detailangaben
Hauptverfasser: DING LINA, ZHAI ZHAODONG, QI JUNXIANG, LYU HUAILEI
Format: Patent
Sprache:chi ; eng
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Beschreibung
Zusammenfassung:The utility model belongs to the technical field of dilute nitric acid production devices, and particularly relates to a device for avoiding corrosion of a low-pressure reaction water condenser in dilute nitric acid production. The device for avoiding corrosion of the low-pressure reaction water condenser in dilute nitric acid production comprises an oxidation furnace, a high-temperature flue gas heat exchanger, an economizer, a titanium tube heat exchanger and a low-pressure reaction water cooler, the oxidation furnace is connected with the high-temperature flue gas heat exchanger, the high-temperature flue gas heat exchanger is connected with the economizer, the economizer is connected with the titanium tube heat exchanger, and the titanium tube heat exchanger is connected with the low-pressure reaction water cooler. The titanium tube heat exchanger is connected with the low-pressure reaction water cooler; the low-pressure reaction water cooler is connected with the nitric oxide separator; the titanium tube