TAILIEUCHUNG - Process Engineering Equipment Handbook 2009 Part 18

Tham khảo tài liệu 'process engineering equipment handbook 2009 part 18', kỹ thuật - công nghệ, cơ khí - chế tạo máy phục vụ nhu cầu học tập, nghiên cứu và làm việc hiệu quả | T-88 Turbines Steam TABLE T-6 Classification of Steam Turbines with Reference to Application and Operating Conditions Basic Type Operating Condition Steam Condition Application Condensing High-pressure turbine 100-2400 psig saturated Drivers for electric generators with or without extraction 1050 F 1-5 inHg blowers compressors pumps for feedwater heating absolute marine propulsion etc. Low-pressure turbine with Main 100-200 psig Electric utility boiler-feed- high-pressure insert 500-750 F 1-5 inHg absolute Insert 1450-3500 psig 900-1050 F 1-5 inHg absolute pump drives Low-pressure bottoming Atmospheric 100 psig Drivers for electric generators turbine saturated 750 F 1-5 inHg absolute blowers compressors pumps etc. Reheat turbine 1450-3500 psig 9001050 F 1-5 inHg absolute Electric utility plants Automatic-extraction turbine 100-2400 psig saturated 1050 F 1-5 inHg absolute Drivers for electric generators blowers compressors pumps etc. Mixed-pressure induction 100-2400 psig saturated Drivers for electric generators turbine 1050 F 1-5 inHg absolute blowers compressors pumps etc. Cross-compound turbine with or without extraction for feedwater heating with or without reheat 400-1450 psig 750- 1050 F 1-5 inHg absolute Marine propulsion Noncondensing Straight-through turbine 600-3500 psig 600-1050 F atmospheric 1000 psig Drivers for electric generators blowers compressors pumps etc. Automatic-extraction turbine 600-3500 psig 600-1050 F atmospheric 600 psig Drivers for electric generators blowers compressors supported on journal bearings and axially positioned by a thrust bearing. A housing with steam inlet and outlet connections surrounds the rotating parts and serves as a frame for the unit. However a great number of factors enter into the design of a modern turbine and its present perfection is the result of many years of research and development. While the design procedure may be studied in books treating this particular subject a short review of the main principles may

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