Method of operation for a refuse incinerating furnace

Patent · Tue Jul 01 04:00:00 EDT 1980

OSTI ID:5133317

Melan, C; Weiwers, R

A description is given of a method of operating a pyrolysis furnace of the descending column type for incinerating refuse, notably household refuse, commercial and industrial rubbish, of the type comprising a charging zone, a drying zone, a pyrolysis zone and a combustion and melting zone, having at least one orifice for extracting volatile products from the drying zone, at least one orifice for extracting melted slag from the combustion and melting zone, and one or more tuyeres for injecting combustion gases under pressure into the combustion and melting zone, the improvement comprising injecting the combustion gases into the liquid mass of molten slag thereby controlling and diminishing the energy liberated at the level of the combustion and melting zone by the injection of said gases under pressure so as to prevent channel formation.

• Assignee: IFI; ERA-05-037079; EDB-80-112355
• Patent Number(s): US 4210087
• OSTI ID: 5133317
• Country of Publication: United States
• Language: English

Related Subjects

42 ENGINEERING
420900* -- Engineering-- Waste Processing Plants & Equipment-- (-1989)
421000 -- Engineering-- Combustion Systems
CHEMICAL REACTIONS
COMBUSTION
DECOMPOSITION
DRYING
FLUIDS
GASES
INCINERATORS
MANAGEMENT
MELTING
MUNICIPAL WASTES
OPENINGS
OPERATION
ORIFICES
OXIDATION
PHASE TRANSFORMATIONS
PYROLYSIS
SLAGS
SOLID WASTES
THERMOCHEMICAL PROCESSES
WASTE DISPOSAL
WASTE MANAGEMENT
WASTES