Device and process for dissolving smelt from recovery boilers
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United States of America Patent
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Oct 13, 1998
Grant Date -
N/A
app pub date -
Aug 12, 1997
filing date -
Nov 22, 1994
priority date (Note) -
Expired
status (Latency Note)
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Abstract
The invention relates to a device for dissolving smelt chemicals from recovery boilers, a so-called soda smelt dissolver, and to a process for such dissolution using the device. The device is characterized in that it consists of at least two separate dissolving tanks (I, II), which are connected to each other near the bottom, via a connecting pipe (3), to allow free flow of liquid between them, and of devices for the separate supply to each tank of dissolving liquid and smelt chemicals in dependence on the measured and established chemical concentration in the solution in each of the tanks (I, II), wherein the outlets from the tanks (I, II) can be separately shut off and regulated. The process according to the invention involves using the device and switching over the functions of the different tanks.
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