Figure 2-28.
Wood Preserving.
NOTE: The wood treatment building has a monitor-type roof with rail lines entering
it.
It houses pressure cylinders in which wood is impregnated with liquid
The building is recognized by the associated components:
preservative tanks, stores of dark-toned treated and light-toned untreated
wood, boiler house, and rail lines.
PART C: CHEMICAL PROCESSING INDUSTRIES
1. Chemical processing industries are those which use chemical processes to
separate or rearrange the chemical constituents of raw materials, pressure, heat,
and catalysts, or other chemicals are usually employed.
General recognition
features are:
o
Many closed or tall tanks or gas holders
o
Large complex buildings
o
Numerous pipelines with heat loops
o
Buildings are interconnected by pipelines (closed fluid flow)
o Large outdoor processing equipment - towers
o
Provisions for large quantities of power of heat.
2. The image components are divided
into
three
major
categories:
equipment,
buildings, and open storage and waste.
a. Equipment is present under the following headings: chimneys, stacks, and
vents; cooling towers; kilns; silos, tanks, hoppers, and bunkers; pipelines,
conveyors, cranes, and mobile equipment; and complex equipment.
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IT 0673
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