WASTE TREATMENT SYSTEM AND NOX TREATMENT METHOD USED THEREIN

Title:

WASTE TREATMENT SYSTEM AND NOX TREATMENT METHOD USED THEREIN

Document Type and Number:

WIPO Patent Application WO/2016/117258

Kind Code:

A1

Abstract:

A waste treatment system is provided with a melting furnace (200) for melting ash that is included in flammable gas, a denitrification agent supply unit (300) for supplying a denitrification agent that reduces NOx, and a control unit (400) for controlling the amount of the denitrification agent that is supplied. The melting furnace (200) comprises a primary combustion chamber (210) having an inlet port, and a secondary combustion chamber (220). The control unit (400) calculates a prediction value for the NOx concentration generated by the melting furnace (200) on the basis of the temperature and the air ratio of a correlation area (S) in which the correlation between the temperature and the NOx concentration is stronger than in the secondary combustion chamber (220), said correlation area (S) being the inlet port of the primary combustion chamber (210) or an area in the vicinity thereof. The control unit (400) controls the amount of the denitrification agent that is supplied by the denitrification agent supply unit (300) on the basis of the prediction value.

Inventors:

MINAKAWA KOJI (JP)
SUNADA HIROSHI (JP)
HOSODA HIROYUKI (JP)

Application Number:

PCT/JP2015/085507

Publication Date:

July 28, 2016

Filing Date:

December 18, 2015

Export Citation:

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Assignee:

KOBELCO ECO SOLUTIONS CO LTD (JP)

International Classes:

F23J7/00; B01D53/56; B01D53/86; B09B3/00; F23G5/24; F23J1/00; F23J15/00

Foreign References:

JP2006192406A	2006-07-27
JP2014031927A	2014-02-20
JP2013079788A	2013-05-02
JP2011089041A	2011-05-06
JPS54127046A	1979-10-02

Other References: