Q Process Technology Equipment Ch. 7 Key Terms Test A. Anti-surge B. Multistage compressor C. Axial compressor D. Centrifugal compressor E. Compressor F. Cylinder G. Deadheading H. Liquid buffered seal I. Dry carbon rings J. Dynamic compressor K. Liquid ring compressor L. Interlock M. Labyrinth seal N. Lubrication system O. Single stage compressor P. positive displacement compressor Q. Reciprocating compressor R. Rotary compressor S. Seal system T. Separator U. Surging compressor V. Inlet guide vane 1.__-recycle flow returned from the discharge of a compressor stage to a lower pressure suction; serves to prevent surging 2.__control instrumentation designed to prevent damage to the compressor by preventing it from operating at or near an undesirable pressure and by preventing flow conditions that result in surge. 3.__-a dynamic compressor that contains a rotor with contoured blades followed by a set of stationary blades (stator). In this type of compressor, the flow of gas is axial or parallel to the shaft 4.__-a dynamic compressor in which the gas flows from the inlet, located near the suction eye, to the outer tip of the impeller blades 5.__a mechanical device used to increase the pressure of a gas or vapor 6.__-a cylindrical chamber in a positive displacement compressor in which a piston compresses and then expels the gas 7.__-creating a condition in which all outlet paths from a compressor's discharge line are closed 8.__a device that promotes separation of liquids from gases 9.__an easy-to-replace, low-leakage type of seal consisting of a series of carbon rings that can be arranged with a buffer gas to prevent process gases from escaping 10.__a compressor that uses centrifugal or axial force to accelerate a gas and then to convert the velocity to pressure 11.__-a stator, located in front of the first stage of a compressor, which directs the gas into the compressor at the correct angle; also called intake guide vane 12.__a type of hardware or software that does not allow an action to occur unless certain conditions are met 13.__a shaft seal designed to restrict flow by requiring the fluid to pass through a series of ridges in an intricate path 14.__a close-fitting bushing in which oil or water are injected in order to stop the process fluid from reaching the atmosphere 15.__a rotary compressor that uses an impeller with vanes to transmit centrifugal force into a sealing fluid (eg, water), driving it against the wall of a cylindrical casing to form a compression area 16.__a system that circulates and cools sealing and lubricating oils 17.__-a device designed to compress gas multiple times by delivering the discharge from one stage to the suction of another stage 18.__-a device that uses screws, sliding vanes, lobes, gears, or pistons to deliver a set volume of gas with each stroke or rotation 19.__a positive displacement compressor that uses the inward stroke of a piston to draw (intake) gas into a chamber and then uses an outward stroke to positively displace (discharge) the gas 20.__a positive displacement compressor that uses a rotating motion to pressurize and move gas through the device 21.__-system designed to prevent process gas from leaking out of the compressor shaft, 22.__-device used to physically separate two or more components in a mixture 23.__-stage compressor-a device designed to compress gas a single time before discharging it 24.__--the intermittent flow of gas through a compressor that occurs when the discharge pressure is fluctuating, resulting in flow reversal and instability within a compressor PreviousNext