Gas scrubber having an integrated heat exchanger
Patent Information
- Authority / Receiving Office
- CN · China
- Patent Type
- Applications(China)
- Current Assignee / Owner
- LURGI
- Publication Date
- 2012-07-18
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Abstract
Description
technical field
[0001] The invention relates to a gas scrubber with one or more heat exchangers integrated in the device housing for cooling a gas / liquid mixture of gas to be cleaned and scrubbing liquid.
[0002] Furthermore, the invention relates to a method for using such a gas scrubber. Background technique
[0003] Gas scrubbers and methods for cooling and cleaning are well known.
[0004] A heat exchanger needs to be integrated directly in the scrubber housing in the flow of the gas / liquid mixture in special applications for gas scrubbers where the temperature of the gas to be cooled Above the temperature of the washing liquid and at the same time the heating of the washing liquid should be prevented as much as possible in order to avoid evaporation or chemical decomposition of the washing liquid.
[0005] A corresponding situation for the treatment of process offgases from melamine synthesis is described in German patent application document 2525781. Here, a gas sc...