Negative pressure distillation equipment and method for residual ammonia water

The invention provides negative pressure distillation equipment for residual ammonia water. The negative pressure distillation equipment comprises a distillation column, a dephlegmator, a condenser, a vacuum pump, a wastewater pump and a reboiler, wherein the bottom of the distillation column is in...

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Bibliographic Details
Main Author LIU ZHONGAN
Format Patent
LanguageChinese
English
Published 16.11.2011
Subjects
CHEMISTRY
METALLURGY
TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
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Summary:The invention provides negative pressure distillation equipment for residual ammonia water. The negative pressure distillation equipment comprises a distillation column, a dephlegmator, a condenser, a vacuum pump, a wastewater pump and a reboiler, wherein the bottom of the distillation column is in connection with the wastewater pump; the other end of the wastewater pump is connected with the reboiler; the top of the distillation column is in connection with the dephlegmator, and the other end of the dephlegmator is connected with the condenser; and the other end of the condenser is in connection with the vacuum pump. The invention also provides a negative pressure distillation method for the residual ammonia water. The equipment and method provided by the invention can greatly lower energy consumption and recycle resources, and have the characteristics of low investment and low production cost.
Bibliography:Application Number: CN20111133680