RU2009131090A

RU2009131090A - CLUTCH CLUTCH FOR STEAM TURBINE AND METHOD FOR DISCONNECTING STEAM TURBINE FROM THE GENERATOR

Info

Publication number: RU2009131090A
Application number: RU2009131090/06A
Authority: RU
Inventors: Грегори Л. ДИАНТОНИО (US); Грегори Л. ДИАНТОНИО; Уилльям Томас ПЕРРИ (US); Уилльям Томас ПЕРРИ
Original assignee: Дженерал Электрик Компани (US); Дженерал Электрик Компани
Priority date: 2008-08-15
Filing date: 2009-08-14
Publication date: 2011-02-20
Also published as: US20100038917A1; DE102009026324A1; JP2010043644A; FR2935018A1

Abstract

1. Система (10) генерирования мощности, содержащая: ! по меньшей мере, одну паровую турбину (14, 16) повышенного давления, принимающую входящий пар при повышенном давлении и выпускающую пар в виде пара низкого давления; ! паровую турбину (20, 42, 66) низкого давления, принимающую пар низкого давления, выпускаемый из паровой турбины повышенного давления, и ! приводной вал (22, 70) для паровой турбины низкого давления, соединенный с муфтой (24, 46, 74), который соединяется с генератором (12, 72) мощности, причем муфта имеет первое положение, в котором мощность из паровой турбины низкого давления прикладывается к генератору мощности, и второе положение, в котором мощность из паровой турбины низкого давления не прикладывается к генератору. ! 2. Система по п.1, также содержащая первый паровой клапан (76) низкого давления в трубе для пара низкого давления, перемещающегося в паровую турбину низкого давления, и второй паровой клапан (68) низкого давления в трубе для пара низкого давления, перемещающегося в устройство (52) для технологического выпуска пара, причем первый паровой клапан низкого давления открыт, когда второй паровой клапан низкого давления закрыт, и первый паровой клапан низкого давления закрыт, когда второй паровой клапан низкого давления открыт. ! 3. Система по п.1, в которой паровая турбина низкого давления включает в себя первую паровую турбину (18, 68) низкого давления и вторую паровую турбину (20, 66) низкого давления, и муфта соединяет и отсоединяет вторую паровую турбину низкого давления от первой паровой турбины низкого давления, и первая паровая турбина низкого давления соединяется с генератором. ! 4. Система по п.3, также содержаща 1. System (10) generating power, containing:! at least one high-pressure steam turbine (14, 16) receiving input steam at high pressure and discharging steam in the form of low-pressure steam; ! a low pressure steam turbine (20, 42, 66) receiving low pressure steam discharged from a high pressure steam turbine, and! a drive shaft (22, 70) for a low pressure steam turbine, connected to a clutch (24, 46, 74), which is connected to a power generator (12, 72), the clutch having a first position in which power from the low pressure steam turbine is applied to the power generator, and a second position in which power from the low pressure steam turbine is not applied to the generator. ! 2. The system of claim 1, further comprising a first low pressure steam valve (76) in a pipe for low pressure steam traveling to a low pressure steam turbine, and a second low pressure steam valve (68) in a pipe for low pressure steam traveling to a process steam venting device (52), wherein the first low pressure steam valve is open when the second low pressure steam valve is closed and the first low pressure steam valve is closed when the second low pressure steam valve is open. ! 3. The system of claim 1, wherein the low pressure steam turbine includes a first low pressure steam turbine (18, 68) and a second low pressure steam turbine (20, 66), and a coupling connects and disconnects the second low pressure steam turbine from the first low pressure steam turbine, and the first low pressure steam turbine is connected to the generator. ! 4. The system of claim 3, also comprising

Claims

1. A power generation system (10) comprising:

at least one high pressure steam turbine (14, 16), receiving incoming steam at high pressure and releasing steam in the form of low pressure steam;

a low pressure steam turbine (20, 42, 66) receiving low pressure steam discharged from the high pressure steam turbine, and

a drive shaft (22, 70) for a low pressure steam turbine connected to a coupling (24, 46, 74) that is connected to a power generator (12, 72), the coupling having a first position in which power is supplied from the low pressure steam turbine to a power generator, and a second position in which power from a low pressure steam turbine is not applied to the generator.

2. The system according to claim 1, further comprising a first low pressure steam valve (76) in the pipe for low pressure steam moving into the low pressure steam turbine and a second low pressure steam valve (68) in the pipe for low pressure steam moving into a device (52) for the technological release of steam, wherein the first low pressure steam valve is open when the second low pressure steam valve is closed and the first low pressure steam valve is closed when the second low pressure steam valve is open.

3. The system according to claim 1, in which the low pressure steam turbine includes a first low pressure steam turbine (18, 68) and a second low pressure steam turbine (20, 66), and a coupling connects and disconnects the second low pressure steam turbine from the first low pressure steam turbine, and the first low pressure steam turbine is connected to the generator.

4. The system according to claim 3, further comprising a first low pressure steam valve (32, 34, 78) in the pipe for low pressure steam moving into the second low pressure steam turbine, the first low pressure steam valve opening when the coupling couples the second steam a low pressure turbine with a first low pressure steam turbine, and the first steam valve closes when the coupling disconnects the second low pressure steam turbine from the first low pressure steam turbine.

5. The power generation system according to claim 4, wherein the first valve is a shutoff valve (34).

6. The power generation system according to claim 1, wherein the at least one high pressure steam turbine includes a high pressure steam turbine (14) receiving high pressure steam and a medium pressure steam turbine (16) receiving steam, discharged from a high pressure steam turbine, wherein steam discharged from a medium pressure steam turbine is used as low pressure steam for a low pressure steam turbine.

7. The system according to claim 1, in which the clutch (24, 46, 74) is a planetary gear clutch.

8. The system according to claim 1, in which the first position of the clutch (24, 46, 74) is an open position and the second position of the clutch is a closed position.

9. A power generation system (10) comprising:

a high pressure steam turbine (14) receiving high pressure steam and releasing steam at medium pressure;

a medium pressure steam turbine (16) receiving steam discharged from the high pressure steam turbine and releasing low pressure steam;

a steam turbine (20, 42, 66) of any pressure receiving low pressure steam discharged from the medium pressure steam turbine, and

a drive shaft (22, 70) for a low pressure steam turbine connected to a coupling (24, 46, 74), and the coupling is detachably connected to a power generator (12, 72), the coupling having a first position in which the power is from the steam a low pressure turbine is applied to the power generator, and a second position in which power from the low pressure steam turbine is not applied to the generator.

10. The system according to claim 9, also comprising a first low pressure steam valve (76) in the pipe for low pressure steam moving into the low pressure steam turbine and a second low pressure steam valve (68) in the pipe for low pressure steam moving into a device (52) for the technological release of steam, wherein the first low pressure steam valve is open when the second low pressure steam valve is closed and the first low pressure steam valve is closed when the second low pressure steam valve is open.