Title:
セメント及びセメント系固化材の製造装置
Document Type and Number:
Japanese Patent JP4340337
Kind Code:
B2
Abstract:
PROBLEM TO BE SOLVED: To efficiently solve coating trouble to enable the stable operation of a kiln and to suppress the resynthesis of dioxin by rapidly cooling a waste gas from the kiln down to a specific temp or lower. SOLUTION: Waste gas discharged from the kiln 4 is introduced into a water cooling device through a kiln inlet hood 3 and a funnel type waste gas flow-in pipe 18 and coarse particles in the waste gas are gravitationally separated by lowering the flow rate from 10-20 m/sec to 0.05-5 m/sec. Next, a sprinkling frame 17 is jetted into conical shape from a sprinkler nozzle 16 provided at the lower part of the water cooling device and is brought into contact with the waste gas cooled to 400-600 deg.C by a cooling fan of the kiln inlet hood 3 to rapidly cool to 250-280 deg.C and the cooled waste gas is discharged from a waste gas flow-out pipe 19 at the upper end of the water cooling device. The gravitationally separated coarse particles falls down in the kiln inlet hood 3 and enters in the kiln 4 or after deposited in the waste gas flow-in pipe 18, is fed to the kiln inlet hood 3.
Inventors:
Yasushi Yamamoto
Koichiro Sato
Tetsuo Ogiri
Shuji Michibata
Fumio Hasegawa
Tamashige Utami
Koichiro Sato
Tetsuo Ogiri
Shuji Michibata
Fumio Hasegawa
Tamashige Utami
Application Number:
JP10404098A
Publication Date:
October 07, 2009
Filing Date:
March 31, 1998
Export Citation:
Assignee:
Taiheiyo Cement Co., Ltd.
Ebara Corporation
Aso Lafarge Cement Co., Ltd.
Ebara Corporation
Aso Lafarge Cement Co., Ltd.
International Classes:
C04B7/60; C04B7/28; C04B7/44; C04B7/47
Domestic Patent References:
| JP9309751A | ||||
| JP9227184A | ||||
| JP9118551A | ||||
| JP8266922A | ||||
| JP7291684A | ||||
| JP6211552A | ||||
| JP63210049A | ||||
| JP62270447A | ||||
| JP53088027A |
Attorney, Agent or Firm:
Michiharu Soga
Hidetoshi Furukawa
Suzuki Kenchi
Kajinami order
Hidetoshi Furukawa
Suzuki Kenchi
Kajinami order