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Efficient steam turbine power generation equipment

A technology for steam turbines and power generation equipment, which is applied in mechanical equipment, steam engine devices, machines/engines, etc., and can solve problems such as small degassing concentration gradients

Active Publication Date: 2015-09-16
苏州磁锋能源科技有限公司
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

However, the steam input in the above-mentioned power generation equipment is the steam output from the steam turbine, or the steam generated by heating the mixed water of the condensed water that has been degassed and the condensed water that has not been degassed. Both steam and undegassed condensate have more dissolved gas, which results in a smaller degassing concentration gradient, so it takes a longer time to reduce the dissolved gas concentration in the condensate to the desired concentration

Method used

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  • Efficient steam turbine power generation equipment
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Examples

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no. 1 example

[0020] The first embodiment of the present invention is figure 1 As shown, the steam turbine power plant 10 includes a steam turbine 12 , a generator 13 , a condenser 15 , a condensate receiving tank, a deaerator 18 and a source 20 of inert gas. After the steam enters the steam turbine 12 from the inlet of the steam turbine 12, the steam turbine 12 is started to move to convert the internal energy into mechanical energy, and the steam turbine 12 drives the coupled generator 13 to generate electricity.

[0021] The steam outlet of the steam turbine 12 is connected to a condenser 15 in which the outlet steam is cooled to condensed water. The condenser 15 may use a condenser known in the art, using air or gas refrigerant as a cooling medium. The degasser 18 is used to receive the condensed water, and to remove the dissolved gas in the condensed water by the inert gas inputted through the inert gas source 20 or the steam inputted through the pipeline.

[0022] The condensate rec...

no. 2 example

[0029] see figure 2 The difference between the second embodiment of the present invention and the first embodiment is that the steam generated by the waste heat recovery steam generator 31 is not used as the degassing steam in the deaerator, and all of it is sent to the steam turbine 12. Since the degassed steam in the degasser 18 has been generated by the steam generator 33 connected to the first condensate receiving tank 241, and the concentration of the dissolved gas in the degassed steam is small, in the second embodiment, only This is used as the degassing vapor in the degasser 18 . In addition, since the degassed steam does not need to be used as the operating steam of the steam turbine 12, after the maintenance and shutdown of the steam turbine power generation equipment, the condensed water flowing out of the first outlet of the first condensate receiving box 241 passes through the steam generated by the steam generator 33, Can also be used as a degassing fluid.

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Abstract

A kind of efficient steam turbine power generation equipment degasifies condensate water by steam or an inert gas. By designing one part of a condensate reception box to merely receive the degasified condensate water and taking the degasified condensate water as the steam used in a degasser, less gases are dissolved in the degassing steam, time spent on degasifying the condensate water by the degassing steam is reduced, and the gasses dissolved in the condensate water can be removed quickly and efficiently when the steam turbine power generation equipment is checked and halted.

Description

technical field [0001] The invention relates to a steam turbine power generation device, in particular to a steam turbine power generation device with a high-efficiency degassing device. Background technique [0002] In a steam turbine power generation device, a steam generator is used to generate steam for the steam turbine, and the steam drives the steam turbine to move, so that the generator actually coupled to the steam turbine generates electricity. In this case, the steam generated by the steam generator is condensed into condensed water in the condenser during use. [0003] The condensate in the condensate system has dissolved gases due to the presence of air in the steam generator as well as in the condenser. When the steam is condensed into water, the oxygen and carbon dioxide in the air also dissolve in the condensed water, making the condensed water acidic. Acidic condensate will corrode pipes and equipment, thereby affecting the life of steam turbine power gene...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): F01D15/10F28B9/02
CPCC02F1/20F01K23/10
Inventor 江曼
Owner 苏州磁锋能源科技有限公司