Chapter 8—ENVIRONMENTAL POLLUTION
to permit removal of foreign objects which may
jam or plug the comminutor. The components of
the comminutor-type system, shown in figure 8-5,
include:
1. The CHT tank. The capacity of each
tank usually is more than 2000 gallons.
2. The CHT pump set; one pump set per tank.
A pump set consists of two motor-driven pumps,
two suction plug or ball valves, two discharge plug
or ball valves, two discharge check valves (with
hold-open device), a pump controller, a high level
alarm, and an appropriate number of liquid level
sensors.
Figure 8-5.—Comminutor type CHT system.
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