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Title:
PARTICULATE MATERIAL PURIFYING/REGENERATING METHOD OF FILTER
Document Type and Number:
Japanese Patent JP2004169661
Kind Code:
A
Abstract:

To provide a particulate material purifying/regenerating method of a filter that does not charge a thermal load to the filter, provides high regeneration rate, has high durability and reliability, and allows regeneration at a low cost.

The filter 4 after collecting particulate material PM is dipped and soaked in detergent solution L, the detergent solution L is infiltrated into a partition 5 of the filter 4, then the filter 4 is extracted from the detergent solution L, and pressurized air is blown into the filter 4 from an inflow direction of discharged gas into the filter 4 or an outflow direction. Particulate material PM peeling from the filter partition 5 and particulate material adhering with the filter partition 5 are pressed out to the outside of the filter 4 by bubble W generated by the detergent solution L in a discharged gas passage G in the filter partition 5 and the detergent solution L remaining in the discharged gas passage G in the filter partition 5.


Inventors:
Ishida, Akio
Sato, Kenji
Minowa, Masanori
Ando, Shojiro
Sho, Rai
KA, YU
Application Number:
JP2002000338916
Publication Date:
June 17, 2004
Filing Date:
November 22, 2002
Export Citation:
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Assignee:
TADANO LTD
FIELD:KK
SHANGHAI PUDONG HADO KOTSU KOFUN YUGENKOSHI
MITSUBISHI AUTOMOB ENG CO LTD
International Classes:
F01N3/02; B01D41/04; (IPC1-7): F01N3/02; B01D41/04
Attorney, Agent or Firm:
佐伯 健兒