汽轮机技术说明.doc
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1、1.3.2 Steam Turbine Island 汽轮机岛1.3.2.1 Steam turbine 汽轮机The steam turbine shall be 3000 rpm, tandem compound, single reheat, regenerative, condensing, horizontally split, three-cylinder machine with six (6) uncontrolled extractions for regenerative feed heating. The turbine would be designed for mai
2、n steam parameters of 140 kg/cm (abs) at 540C before emergency stop valves of HP turbine and reheat steam temperature of 540C at inlet to IP turbine. The LP turbine will exhaust against a condenser pressure of 0.087 kg/cm2. At turbine valve wide open (VWO) condition the turbo-generator set will be a
3、ble to operate continuously with a throttle steam flow of about 105% turbine MCR condition The rated power output of turbo generator at TMCR shall be 150 MWe. 该汽轮机转速为3000rpm,串联,单再热、回热、凝汽式,水平中分,三个缸带6段不可控制抽汽回热给水加热。该汽轮机设计参数为:主汽门(紧急停止阀)前主蒸汽压力140 kg/cm (abs)/540,进入中压缸前的再热蒸汽温度为540。低压缸排汽对应的压力为0.087 kg/cm2。
4、汽机阀门全开工况连续运行流经喷嘴蒸汽流量应为汽机MCR工况蒸汽流量的105%,汽轮发电机在TMCR工况时的额定输出功率为150mw。Steam turbine and accessories comprising but not limited to the following equipment/systems to make the system complete in all respects.汽轮机和辅机包含但不局限以下使系统完整的设备/系统。- Necessary number of emergency stop valves complete, including the nece
5、ssary blow out provisions.必要数量完整的紧急停止阀,包含必要切断装置。- Required number of steam strainers for installation in the HP and IP emergency stop valves including housings for installation in the live steam line as well as additional steam strainers for the commissioning phase. 要求有一定数量的安装于高压和中压紧急停止阀的蒸汽滤网,包含用于安装
6、主蒸汽管路的外壳,同时要求有用于调试阶段的额外滤网。- Necessary hydraulically operated control valves for the HP section of the turbine. 必要的用于汽轮机高压部分液压控制阀门。- Required numbers of hydraulically operated combined or separate intercept /emergency stop valves before the IP section of the turbine.- At least one (1) hydraulically o
7、perated emergency shut-off or emergency check valves before the IP section of the turbine. 必要数量使汽轮机中压部分紧急停止阀结合或分离液压操作机构。- Turning equipment A.C electrical motor driven or hydraulic operated device, complete, including manual turning equipment. 盘车设备交流电机驱动或液压操作,完整,包含手动盘动设备。 - Explosion diaphragms for
8、LP outer casing. 低压缸防爆装置。 - Gland steam and sealing steam system complete, including all necessary control valves, pressure reducing and de-superheating station, condensers and motors driven vapor suction fans. 完整轴封蒸汽和密封蒸汽系统,包含所有所需控制阀,减压减温站,凝汽器和电机驱动的真空风机。- Governing system 调节系统- Flush cleaning provi
9、sions 大量清洗装置 - Complete noise and heat insulation, to the extent necessary. 完备的隔音隔热,达到必须的程度。- Steam turbine acoustic enclosure (removable type) with necessary ventilation and lighting system 带有必须的通风和照明系统的汽轮机隔音罩(可移动式)。- Spray water flooding system for fire protection 消防保护的喷水系统。 - Turbine supervisory,
10、 protection and governing system and complete DCS based control & instrumentation system. 汽轮机监测、保护和调节系统和DCS仪表控制系统。- Automatic turbine run-up system and automatic turbine testing system. 汽机自动启动系统和汽机自动试验系统1.3.2.2 Turbine oil plant 汽机油站Turbine oil plant complete, each containing at least: 完整汽机油站,每个至少包含
11、:- Oil tank for normal operation including oil strainers 正常运行油箱包含油滤网- Main oil pump preferably directly driven 主油泵最好是主轴直接驱动。 - Necessary lube oil pumps like Auxiliary oil pumps & emergency oil pumps or bearings flushing pumps complete with AC / DC drives as applicable. 必须的润滑油泵,例如辅助油泵和紧急油泵或带有完整交流/直流启
12、动合适的轴承冲洗用泵- Jacking oil pumps AC & DC operated with facilities for local, remote & automatic operation. 可以就地远方和自动运行的交流和直流顶轴油泵。- Turning gear oil pump (AC Motor driven) for supplying lube oil to the bearings during turning gear operation. 盘车油泵(交流电机驱动),提供盘车装置运行时轴承润滑油。- Control oil pumps for governing
13、system with all accessories. 调节系统的控制油泵及其附件。- Oil vapor extraction fans at least one operating with A.C Drive and the other with D.C drive with oil separation in the piping. 至少一台交流驱动的排烟风机和其他直流驱动及管道油分离。- Lubrication oil coolers. 冷油器- Automatic Oil temperature control device 油温自动控制装置- Double oil filter
14、 for the complete lubricating oil flow 两台完整润滑油流量的油过滤。- Double oil filter for the complete control oil flow 两台完整控制油流量的油过滤。- Oil separator / purifier plant complete with all auxiliaries 完整的带附属设备的油分离/油净化装置- Sheet metal ducts for oil piping and other oil spray protection equipment. 油管路金属薄片管和其他油管路喷淋保护设备。
15、- Auxiliary oil tanks, one for clean oil and one for dirty oil, each with the same capacity as the oil tank for normal operation, including the necessary interconnecting pipe work between the three tanks as well as the required pumps and central oil purifier. 辅助油箱,一个净油一个脏油,每个的容量跟正常运行油箱容量相同, 包含必须的连接三
16、个油箱之间的管道及所需泵和中心滤油器。- Metallic expansion joint 金属膨胀节1.3.2.3 Condenser 凝汽器Condenser, complete, with spring supports, holding down bolts, plates with condenser flash tanks etc., including at least: the following: 凝汽器,整套的,带弹簧支撑,支撑地脚螺栓,凝汽器扩容器平台等, 至少包含以下:- Cooling water (CW) piping along with necessary in
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