PRELIMINARY DESIGN REQUIREMENTS ARGONNE BOILING REACTOR (ARBOR) FACILITY. Revision I Page: 79 of 161
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for the shut-down annunciator. The water level error, registered by the
difference between the differential pressure measurement and a manually
adjustable set point, will comprise one signal for use in controlling reactor
feed-water flow rate. This signal will be combined with signals from the
feed-water flow rate and the steam flow rate to position the feed-water
control valve (see 4 and 13 below). In addition, a gage glass will be con-
nected to the water column for direct visual observation of the reactor
vessel water level by television camera relay to the control room.
(4) Flow through Steam Distribution Manifold - The
simulated turbine steam flow will be measured by the four orifices up-
stream of the throttle valves. In addition, the flow-through orifices in-
stalled ahead of the steam by-pass simulator flow and the hotwell
temperature control valves will be metered. The sum of these signals will
be recorded on a multi-range linear scale strip chart recorder and will
comprise the total steam flow. This flow signal will be used in the three-
element feed-water flow control system.
In addition, the four turbine-simulator flow
signals will go through a recording flow controller to the Jack Board for
multiple control. Individual flows from each of the above orifices will be
selectively monitored on a multi-point indicator.
(5) Steam By-pass Simulator Flow - The steam by-
pass simulator flow will be measured by means of an orifice upstream of
the throttle valve and the signal continuously recorded on a linear scale
strip chart recording flow controller. Jack Board outlets for this signal
will also be provided.
(6) Steam Condenser Temperature and Pressure
Control - The differential temperature and pressure between the secondary
coolant steam on the shell side and the primary system fluid on the tube
side of the condenser inlet shall be controlled by a variable range record-
ing pressure controller. This instrument will control the operation of the
secondary coolant steam release valve. The plant annunciator will be
actuated by individual readings at adjustable limits to indicate abnormal
Other methods of controlling condenser operation
shall be investigated.
(7) Steam Condenser Liquid Level - Steam condenser
secondary side water level will be measured by a differential pressure
controller. This controller will operate the control valve in the secondary
coolant feed-water pump discharge line. Liquid level will be read on a
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Fromm, L.W.; Bernsen, S.A.; Bullinger, C.F. & Matousek, J.F. PRELIMINARY DESIGN REQUIREMENTS ARGONNE BOILING REACTOR (ARBOR) FACILITY. Revision I, report, July 15, 1957; Lemont, Illinois. (https://digital.library.unt.edu/ark:/67531/metadc1023272/m1/79/: accessed March 26, 2019), University of North Texas Libraries, Digital Library, https://digital.library.unt.edu; crediting UNT Libraries Government Documents Department.