Gas turbine plant
A technology for gas turbines and units, which is applied in gas turbine installations, mechanical equipment, engine components, etc., and can solve problems such as increasing load
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no. 1 example
[0043] Referring now to the drawings, a first embodiment of the present invention will be described subsequently. figure 1 is a block diagram showing the structure of the gas turbine plant according to the first embodiment of the present invention.
[0044] figure 1 The gas turbine unit includes: high-temperature gas-cooled reactor 1, which is used to provide helium with heat energy generated by nuclear fission of fission products, and discharge high-temperature helium; high-pressure gas turbine (HPT) 2, which is cooled by high-temperature gas Helium exhaust from the reactor 1 is driven; a low pressure turbine (LPT) 3 is driven by helium exhaust from the HPT 2; a power gas turbine (PT) 4 is driven by helium exhaust from the LPT 3; an electric generator is configured to Connected to PT 4 through the same shaft and rotated by PT 4; heat exchanger 6 for heat exchange by supplying helium exhausted by PT 4; pre-cooler 7 for cooling helium, heat through The exchanger 6 releases ...
no. 2 example
[0053] A second embodiment of the present invention will be described below with reference to the drawings. figure 2 is a block diagram showing the structure of a gas turbine plant according to a second embodiment of the present invention. in addition, figure 2 Used as figure 1 Parts of the gas turbine plant for the same purpose will be assigned the same symbols, and their detailed descriptions will be omitted.
[0054] and figure 1 The difference in gas turbine units in the figure 2 The gas turbine unit in is provided with a bypass valve 11b instead of the opening 11a in the bypass passage 11, and is also provided with: a speed indicator 12 for measuring the rotational speed of the HPT 2; a speed indicator 13 for measuring the LPT 3; and a bypass control unit 14 for controlling the opening of the bypass valve 11b according to the rotation speeds of the HPT 2 and the LPT 3, respectively. The basic characteristics during nominal load operation of a gas turbine constru...
no. 3 example
[0059] A third embodiment of the present invention will be described below with reference to the drawings. image 3 is a block diagram showing the structure of a gas turbine plant according to a third embodiment of the present invention. in addition, image 3 Used as figure 2 Parts of the gas turbine plant for the same purpose will be assigned the same symbols, and their detailed descriptions will be omitted.
[0060] Apart from figure 2 In addition to the construction of the gas turbine plant, image 3 The gas turbine unit in is provided with a bypass valve 15 for bypassing the LPT3 for the helium exhausted from the HPT2. During rated load operation, the gas turbine unit constructed in the manner described above performs the basic actions described in the first embodiment by completely closing the bypass valve 15 and performing similar actions to the second embodiment to control the bypass valve 11b opening. Consequently, for a detailed description of actions during r...
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