Title:
TREATMENT OF WASTE GAS OF WASTE MELTING FURNACE
Document Type and Number:
Japanese Patent JP3358503
Kind Code:
B2
Abstract:
PROBLEM TO BE SOLVED: To increase the quantity of a flyash returned to a melting furnace.
SOLUTION: In a treating device of a waste gas of a waste gasifying melting furnace, plural numbers of collecting devices of scattering dust, for example, a cyclone 4 at the upstream side and a bag filter 5 at the down stream side, are installed in a treating line of the discharged gas, the diameter of the dust collected in the dust collecting device at the upstream side is controlled to be larger than that at the down stream side and the dust collected at the upstream side is returned to the melting furnace.
Inventors:
Tomohiro Yoshida
Tsuneo Matsudaira
Nao Nakamura
Masahiro Sudo
Yuichi Yamakawa
Yasuo Suzuki
Tsuneo Matsudaira
Nao Nakamura
Masahiro Sudo
Yuichi Yamakawa
Yasuo Suzuki
Application Number:
JP21762097A
Publication Date:
December 24, 2002
Filing Date:
August 12, 1997
Export Citation:
Assignee:
Nippon Steel Tube Co., Ltd.
International Classes:
B01D46/02; B01D50/00; B09B3/00; F23J1/00; F23G5/00; (IPC1-7): B01D46/02; B01D50/00; B09B3/00; F23G5/00; F23J1/00
Domestic Patent References:
| JP8187413A | ||||
| JP857440A | ||||
| JP5573313A |
Attorney, Agent or Firm:
Takehiko Suzue (4 outside)