Coal firing technology for side-and top-fired tunnel kilns

Journal Article · Fri Apr 01 04:00:00 EST 1983 · Am. Ceram. Soc. Bull.; (United States)

OSTI ID:5236435

Sells, G C

The use of granulated coal in an existing tunnel kiln specifically designed for either liquid or gaseous fuels is studied. At first, it was difficult to deliver the correct amount of properly sized coal at the right velocity to a large number of small volume fuel delivery points. Large volume single injectors were totally unsuitable to the kiln. In 1974 the ''solid fuel metering and delivery system'' was developed by General Shale. This system was capable of metering and delivering small quantities of granulated coal at a proper feed rate into the kiln (as schematicized). The firing of brick with coal increases efficiency by 30%. More favorable hydrogen loss factor, improved recirculation of heat, reduction of excess air temperatures, and favorable heat release profile are cited as reasons.

• OSTI ID: 5236435
• Journal Information: Am. Ceram. Soc. Bull.; (United States), Journal Name: Am. Ceram. Soc. Bull.; (United States) Vol. 62:4; ISSN ACSBA
• Country of Publication: United States
• Language: English

Related Subjects

01 COAL, LIGNITE, AND PEAT
014000* -- Coal
Lignite
& Peat-- Combustion
42 ENGINEERING
421000 -- Engineering-- Combustion Systems
APPROPRIATE TECHNOLOGY
CARBONACEOUS MATERIALS
CHEMICAL REACTIONS
COAL
COMBUSTION
CONTROL
EFFICIENCY
ELEMENTS
ENERGY RECOVERY
ENERGY SOURCES
FOSSIL FUELS
FUEL FEEDING SYSTEMS
FUEL SUBSTITUTION
FUEL SYSTEMS
FUELS
GAS FUELS
HEAT RECOVERY
HYDROGEN
KILNS
LIQUID FUELS
MATERIALS
MATERIALS HANDLING
NONMETALS
OXIDATION
PARTICLE SIZE
RECOVERY
SIZE
TEMPERATURE CONTROL
THERMOCHEMICAL PROCESSES
VOLUME