Gasification system

Abstract

A gasification system which ensures stable dust precipitation performance and which can achieve an increase in capacity is provided. In a coal gasification furnace having a coal gasification furnace configured to produce a gas fuel by gasification of a carbon-containing fuel, a cyclone which is provided downstream of the coal gasification furnace and which separates and removes char in the gas fuel, and a first filter and a second filter which are provided downstream of the cyclone and which precipitate char remaining in the gas fuel, the first and the second filters are disposed in parallel.

1 . A gasification system comprising:
 a gasification furnace configured to produce a gas fuel by gasification of a carbon-containing fuel;   a first dust precipitator which is provided downstream of the gasification furnace and which separates and removes char contained in the gas fuel; and   at least two fine dust precipitators which are provided downstream of the first dust precipitator and which precipitate char remaining in the gas fuel,   wherein the fine dust precipitators are disposed in parallel.   
     
     
         2 . The gasification system according to  claim 1 , further comprising:
 a collector configured to collect char recovered from the fine dust precipitators; and   a char recycling device configured to supply the char collected in the collector to the gasification furnace.   
     
     
         3 . The gasification system according to  claim 2 , wherein the collector is configured to collect char separated by the first dust precipitator.