Title:
再生併流縦型シャフト炉において鉱物岩をか焼する方法および使用される炉
Document Type and Number:
Japanese Patent JP6890122
Kind Code:
B2
Abstract:
Process for calcining mineral rock in a regenerative parallel-flow vertical shaft furnace, containing at least two shafts (1, 2) interconnected by a gas transfer channel (3), each shaft operating alternately in firing mode and in preheating mode, the firing mode comprising a combustion of fuel in the presence of air so as to obtain a firing of the rock to give calcined rock, an emission of combustion gases, and a passage of these gases from one shaft to the other by means of said channel (3), the preheating mode comprising a heat exchange between said rock and said combustion gases from said channel (3), this process additionally comprising an injection of supplementary air into said channel (3) with oxidation of unburnt products contained in the combustion gases passing through this channel.
Inventors:
Aviv, the Giard
Paddox, Guilem
Paddox, Guilem
Application Number:
JP2018517319A
Publication Date:
June 18, 2021
Filing Date:
October 05, 2016
Export Citation:
Assignee:
S. Roist Le Sherche Edevropmann
International Classes:
F27B1/02; F23C6/02
Domestic Patent References:
| JP2002060254A | ||||
| JP55053685A | ||||
| JP57175754A | ||||
| JP2013513542A | ||||
| JP2009155161A | ||||
| JP49130897A |
Foreign References:
| US20150353421 | ||||
| CN201132820Y | ||||
| US3771946 | ||||
| US4927357 | ||||
| US3074706 |
Attorney, Agent or Firm:
Asamura patent office