Login| Sign Up| Help| Contact|

Patent Searching and Data


Title:
PULVERIZED COAL BURNER
Document Type and Number:
Japanese Patent JP2011106726
Kind Code:
A
Abstract:

To reduce running cost, and to improve an operation rate by applying a structure operable without using a concentration adjusting ring and affected by pulverized coal, and free from abrasion.

In this pulverized coal burner 2 which includes a cylindrical pulverized coal nozzle 8, and a cylindrical tertiary air nozzle 9 disposed in the pulverized coal nozzle coaxially therewith, and in which a pulverized coal/primary air mixture flow 15 is supplied to a flow channel 22 formed between the pulverized coal nozzle and the tertiary air nozzle, and jetted from a tip of the nozzle to be burned, jetting ports 24 are pierced at a tip of the tertiary air nozzle at prescribed pitches in the circumferential direction, so that air is jetted from the jetting ports to form a separation area to the mixture flow.


Inventors:
UCHIDA MASAHIRO
Application Number:
JP2009261657A
Publication Date:
June 02, 2011
Filing Date:
November 17, 2009
Export Citation:
Click for automatic bibliography generation   Help
Assignee:
IHI CORP
International Classes:
F23D1/00
Attorney, Agent or Firm:
Shoji Miyoshi