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Patent Searching and Data


Title:
FURNACE AND METHOD FOR OPERATING A FURNACE
Document Type and Number:
WIPO Patent Application WO/2017/149110
Kind Code:
A8
Abstract:
The invention relates to a furnace comprising at least two vertical shafts (1), each of which has a supply (3) of material to be heated at the upper end thereof and a heated material outlet (4) at the lower end thereof, and which are connected by means of an overflow channel (2), wherein a respective at least one main burner (6) is provided above the overflow channel (2) and a respective cooling gas supply (5) is provided below the overflow channel (2), characterised in that a respective at least one additional burner (7) is arranged below the overflow channel (2) in the shafts (1). A furnace of this type can be operated such that the material to be heated in the currently burner-operated shaft (1) is at least partially calcined in a main burner zone (9) arranged above the overflow channel (2), and subsequently the material to be heated undergoes a thermal post-treatment in an additional burner zone arranged between the overflow channel (2) and the respective additional burner (7), and is also in particular subsequently calcined, wherein a sintering can also optionally be provided.

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Inventors:
PIRINGER, Hannes (Feldstrasse 22, 5712 Beinwill am See, 5712, CH)
BUCHER, Patrick (Zelgliweg 11, 5012 Schönenwerd, 5012, CH)
Application Number:
EP2017/054987
Publication Date:
September 08, 2017
Filing Date:
March 03, 2017
Export Citation:
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Assignee:
MAERZ OFENBAU AG (Richard-Wagner-Str. 28, 8027 Zürich, 8027, CH)
thyssenkrupp AG (ThyssenKrupp Allee 1, Essen, 45143, DE)
International Classes:
F27B1/02; C04B2/12; F27B1/10; F27D19/00; F27D21/00
Attorney, Agent or Firm:
THYSSENKRUPP INTELLECTUAL PROPERTY GMBH (ThyssenKrupp Allee 1, Essen, 45143, DE)
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