A prefabricated building with lavatory, office, supply storage, and equipment maintenance areas is included. The modules are designed to be readily transportable by truck and lowbed trailer to the selected site. The plant consists of four factory assembled modules which minimize the amount of assembly and installation work required in the field. When operating at design conditions, the generator produces 5,000 kW in the condensing mode, and when exhausting to atmosphere, maximum output is approximately more » 2,200 kW. The turbine is capable of operating either condensing or noncondensing and is designed for an inlet pressure of 3.8 kg/sq cm absolute saturated steam and an exhause pressure of 89 mm Hg. = ,Ī design concept for a standardized wellhead geothermal steam turbine driven electric generating plant is summarized, including budget cost estimates and the time required to manufacture, deliver and commission such a plant at a site approximately fifty miles from a port.

Guidelines are given for the following: site preparation, collection system, plant installation, assembly, and test turbine generator module condenser and noncondensable gas removal module plant control and switchgear module cooling water circulation pump module steam-water separator module maintenance, office, and lavatory module reinjection pump module cooling tower modules spray pond installation and piping and auxiliary generator module. In some cases where the content of noxious noncondensable gases is high, a shell and tube condenser would be substituted for the direct contact type condenser specified and an additional module containing an H/sub 2/S removal system would be added. The power plant system defined is supplied with steam from a single flash steam separator stage, located at the plant area, and supplied with steam from two wells at nominal pressure of 3.8 Kg/cm/sup 2/ Abs (54 psia). The design considerations and guideline documents given define the principal design requirements for a nominal 5 MW geothermal power plant of a type to permit over-the-road transport of its several modules.

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