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Method for controlling NOx concentration in exhaust gas in combustion facility using pulverized coal
A method for controlling an NOx concentration in an exhaust gas in a combustion facility by: measuring a reaction velocity ki of each of a plurality of chars, each corresponding to a plurality of types of pulverized coals; determining a relationship between the NOx concentration in the exhaust gas and the reaction velocity ki for each of the chars; (iii) blending the plurality of the types of the pulverized coal, wherein a blending ratio of the plurality of the types of the pulverized coal is determined by using, as an index, a reaction velocity kblend of the char of the blended pulverized coal, which corresponds to a target NOx concentration or below, on the basis of the relationship; and supplying the blended pulverized coal to the combustion facility as the fuel of the combustion facility.
Method for controlling NOx concentration in exhaust gas in combustion facility using pulverized coal
A method for controlling an NOx concentration in an exhaust gas in a combustion facility by: measuring a reaction velocity ki of each of a plurality of chars, each corresponding to a plurality of types of pulverized coals; determining a relationship between the NOx concentration in the exhaust gas and the reaction velocity ki for each of the chars; (iii) blending the plurality of the types of the pulverized coal, wherein a blending ratio of the plurality of the types of the pulverized coal is determined by using, as an index, a reaction velocity kblend of the char of the blended pulverized coal, which corresponds to a target NOx concentration or below, on the basis of the relationship; and supplying the blended pulverized coal to the combustion facility as the fuel of the combustion facility.
Method for controlling NOx concentration in exhaust gas in combustion facility using pulverized coal
TAKAYAMA YOSHINORI (author) / SHIMA HIROKAZU (author)
2017-01-24
Patent
Electronic Resource
English
IPC:
F23C
METHODS OR APPARATUS FOR COMBUSTION USING FLUID FUEL OR SOLID FUEL SUSPENDED IN AIR
,
Verfahren oder Vorrichtungen zur Verbrennung flüssiger oder in Luft verteilter fester Brennstoffe
/
C04B
Kalk
,
LIME
/
F23K
Brennstoffzufuhr zu Feuerungen
,
FEEDING FUEL TO COMBUSTION APPARATUS
/
F23N
Regelung oder Steuerung der Verbrennung
,
REGULATING OR CONTROLLING COMBUSTION
METHOD FOR CONTROLLING NOX CONCENTRATION IN EXHAUST GAS IN COMBUSTION FACILITY USING PULVERIZED COAL
| European Patent Office | 2017
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