shall be capable of warming the oxygen feed gas to a temperature range
between [10 and 22] [_____] degrees C [50 and 72] [_____] degrees F]. Each
vaporizer shall operate for a minimum of [8] [_____] hours at the minimum
ambient conditions and continuous withdrawal rate specified. The defrost
cycle for each vaporizer shall be a maximum of [8] [_____] hours at the
minimum ambient conditions and continuous withdrawal rate specified.
Piping between the LOX tank and ozone generator shall be insulated as
specified in Section 15080A THERMAL INSULATION FOR MECHANICAL SYSTEMS.
2.2.2.3
Regulators
Regulators shall be factory tested with outlet pressure field adjustable
over a downstream pressure range from [69 to 172] [_____] kPa [10 to 25]
[_____] psi, from 0 to 100 percent of the specified oxygen flow rate.
Regulators shall be rated at 1030 kPa 150 psi, and constructed of 316
stainless steel.
2.2.3
Ozone Generator Air Feed System
System equipment which processes ambient air directly as the ozone
generator feed gas shall be provided by a single supplier, [be of the
pressure swing type and] include an air compressor and receiver,
aftercooler, [refrigerative dryer], vapor/liquid separator, [coalescing
and] [particulate] filters, desiccant air dryer, particulate after filter,
switching valves, pressure, temperature and moisture monitors, local
controller and other equipment as required by the manufacturer to provide a
complete and operational air preparation system. [The equipment shall be
skid mounted.] Adsorption vessels shall be designed and constructed in
accordance with ASME BPVC SEC VIII D1. Adsorption material shall be
[activated alumina] [_____]. The unit shall be completely wired requiring
only an external connection for a single external power supply and remote
monitoring [and control]. The air preparation system supplier shall be
responsible for all work from the outside air inlet to the ozone generator
inlet connection. The air preparation system shall be a continuous output
system with the following characteristics based on 100 percent relative
humidity and maximum ambient temperature of [_____] degrees C F:
Minimum dry air feed to ozonator
[_____] cms scfm/m
Operating pressure at stated capacity
[345] [_____] kPa
[50] [_____] psi
Pressure drop through desiccant dryers
[20] [_____] kPa
(maximum)
[3] [_____] psi
Maximum air temperature to ozone generator
[30] [_____] degrees C
[86] [_____] degrees F
Maximum dewpoint (below 0 degrees)
[60] [_____] degrees C
[76] [_____] degrees F
Maximum hydrocarbon concentration
[0] [1] [_____] ppm
Discharge pressure to ozone generator (min)
[_____] kPa psi
Cycle time adjustable range
[1 to 5] [_____] minutes
[480] [_____] volt,
3 phase, 60 hertz.
SECTION 11377
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