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Method for adapting the output of a steam-turbine power station, and steam-turbine power station

A technology of power generation equipment and steam turbines, applied in mechanical equipment, steam engine devices, machines/engines, etc., can solve the problems of reducing efficiency and achieve the effect of effective power and simple cost

Active Publication Date: 2019-05-03
CARBON CLEAN TECH GMBH
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0009] Condensate plugging and known choke methods cause power generation equipment to operate at reduced efficiency

Method used

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  • Method for adapting the output of a steam-turbine power station, and steam-turbine power station
  • Method for adapting the output of a steam-turbine power station, and steam-turbine power station
  • Method for adapting the output of a steam-turbine power station, and steam-turbine power station

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Embodiment Construction

[0042] figure 1 A simplified plant diagram of a steam turbine power plant 1 with a schematically shown steam turbine 2 which can have a high-pressure part, a medium-pressure part and a low-pressure part is shown. Furthermore, the feedwater preheating path 3 of the water-steam-working circuit 4 is schematically shown, in which the feedwater is preheated for subsequent evaporation. The net electric power or active power 5 generated during the power generation is fed into the combined grid. Other equipment components required for electricity generation in steam power processes are in figure 1 not shown in

[0043] In order to quickly and flexibly adapt the real power 5 of the power generation system 1 , and preferably also to provide positive and negative grid regulation power if necessary, at least one electrically loadable thermal store 6 is provided. To load the store 6 , electrical power 7 can be drawn from the power grid 7 and / or a portion of the electrical energy produce...

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Abstract

Disclosed is a method for rapidly and flexibly adapting the output of a steam-turbine power station (1), preferably for adapting the output to altered network loads, more preferably for providing a positive and / or negative network operating reserve as required, and especially preferably for providing a primary operating reserve and / or a secondary operating reserve. According to the invention, heatreleased during the discharge of at least one electrically chargeable thermal store (6) is coupled into a feedwater heater section (3) of the power station (1).

Description

technical field [0001] The invention relates to a system for quickly and flexibly adapting the power of a steam turbine power plant, preferably for adapting the power to changed grid loads, more preferably for supplying grid-regulated power according to demand, particularly preferably for supplying primary Method of regulating power and / or sub-regulating power. Furthermore, the invention relates to a steam turbine power plant with at least one steam turbine and further plant components required for the power generation process, such as feedwater preheaters, evaporators, steam superheaters, pumps and condensers as well as feedwater container. Particularly preferably, the present invention relates to a power class greater than 50 MW by means of pulverized coal combustion el. , especially preferably greater than 100MW el. , such as greater than 400MW el. power station. Background technique [0002] Due to the deregulation of the energy market, flexible load operation of po...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): F01K13/02
CPCF01K13/02F01K3/06F01K7/44H02J3/28
Inventor R.约瑟夫L.策尔纳K.克诺普
Owner CARBON CLEAN TECH GMBH
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