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Gas and steam turbine installation

A technology for turbines and gas turbines, which is used in steam engine installations, gas turbine installations, fuel valves of turbine/propulsion installations, etc., can solve problems such as large preparation costs, expensive drainage systems, and system corrosion.

Inactive Publication Date: 2007-05-23
SIEMENS AG
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

In addition, preparations for the flushing process are likewise costly because either the steam from the waste heat steam generator needs to be cooled or components must be protected from high-temperature steam damage
In addition, expensive drainage systems are required and the steam-loaded systems are protected from corrosion
[0008] Flushing schemes involving forward and backward flushing make the control scheme during flushing particularly complex and result in a particularly cumbersome set of controls for the operation of the equipment
In addition, this flushing solution results in relatively long start-up and downtimes of the plant

Method used

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  • Gas and steam turbine installation
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Embodiment Construction

[0027]The gas and steam turbine plant shown in the drawing comprises a gas turbine plant 1a and a steam turbine plant 1b. The gas turbine installation 1 a includes a gas turbine 2 connected to an air compressor 4 and a combustion chamber 6 upstream of the gas turbine 2 , which is connected to a compressed air line 8 of the air compressor 4 . The gas turbine 2 and the air compressor 4 as well as the generator 10 are located together on a common shaft 12 .

[0028] The steam turbine plant 1b includes a steam turbine 20 connected to a generator 22 , a condenser 26 connected downstream of the steam turbine 20 in a water-steam cycle, and a waste heat steam generator 30 . The steam turbine 20 is composed of a first pressure stage or high pressure section 20 a , a second pressure stage or intermediate pressure section 20 b and a third pressure stage or low pressure section 20 c which together drive a generator 22 via a common shaft 32 .

[0029] In order to feed the working medium A...

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Abstract

A gas and steam turbine installation including a gasification device for fossile fuel. The gasification device and the combustion chamber of the gas turbine are connected by a gas line. A gas lock is connected to the gas line. The gas lock includes a quick acting armature, a pressure discharge or over pressure system and a gas lock armature.

Description

technical field [0001] The invention relates to a gas and steam turbine installation with a waste heat steam generator connected in series behind the flue gas side of the gas turbine, the heating surface of the waste heat steam generator being connected in the water-steam cycle of a steam turbine, The gas and steam turbine plant also has a fuel system arranged upstream of the gas turbine combustor, which has a gasification unit for the fossil fuel and a gasification unit branching off from the gasification unit and leading into the gas turbine combustor Root gas pipe. The components responsible for gas cleaning are usually connected in this gas line. Background technique [0002] Such a device is known, for example, from British patent GB-A 2 234 984 or from German patent DE 198 32294 C1. [0003] In order to reduce the emission of harmful substances during the combustion of gasified fossil fuels or synthetic gas, a saturator can be connected in the gas pipeline, in which ...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): F01K23/06F02C7/232F02C3/28F01K23/10F02C6/18F02C7/22F02C7/224
CPCY02E20/18F02C3/28F01K23/068F02C7/232Y02E20/16F01K23/06
Inventor 乌尔里克·希弗斯弗兰克·汉尼曼克劳斯·格鲁
Owner SIEMENS AG