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System of reclaiming exhaust steam in steam turbine

A technology of exhaust steam recovery and steam turbine, which is applied in steam recovery, steam engine installation, steam application, etc. It can solve the problems that the latent heat of steam turbine exhaust steam cannot be used, waste heat energy, etc., and achieve the effect of saving cooling water resources

Inactive Publication Date: 2007-05-09
李树生
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  • Application Information

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Problems solved by technology

The disadvantage of this technology for increasing the pressure difference of the steam turbine is that the latent heat of the exhaust steam of the steam turbine cannot be utilized, and a large amount of heat energy is wasted.

Method used

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  • System of reclaiming exhaust steam in steam turbine
  • System of reclaiming exhaust steam in steam turbine
  • System of reclaiming exhaust steam in steam turbine

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Embodiment Construction

[0009] 1 and 3, the present invention provides a steam turbine exhaust steam recovery system, which includes a steam turbine 1 and a steam extraction device 13, the steam inlet pipe 14 of the steam extraction device is connected to the exhaust steam outlet of the steam turbine.

[0010] The steam extraction device can adopt any suitable existing technology and other possible technologies, so as to extract exhaust steam at the end of the steam turbine and form a vacuum at the end of the steam turbine, wherein the greater the vacuum, the greater the electricity generated by the generator. For example, high-pressure anti-corrosion fans.

[0011] A exhaust steam recovery and utilization device can be installed behind the steam extraction device to realize the recovery and utilization of exhaust steam, convert the exhaust steam into higher-grade secondary steam and condensed water, and send them to the steam pipe network or condensed water cycle respectively system is utilized.

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Abstract

A recovery system of dead steam from steam turbine is prepared as setting steam intake pipe and steam exhaust pipe on the first closed recovery tank and arranging pressurization conveying unit on said steam intake pipe, connecting steam intake pipe of pressurization conveying unit to dead steam pipe on steam turbine, setting steam sucking unit and the second recovery tank separately before or behind the first closed recovery tank in order to carry out multistage pressurization.

Description

technical field [0001] The invention relates to a steam turbine waste steam recovery system, which can be mainly used in thermal power plants, thermal power plants and other occasions equipped with steam turbines. Background technique [0002] In order to maximize power generation, the end of the existing steam turbine is equipped with a condenser and various forms of cooling towers, especially hyperbolic cooling towers, to cool the exhaust steam at the end of the turbine and turn it into condensed water to The volume is greatly reduced, and a negative pressure is formed at the end of the steam turbine to greatly increase the pressure difference between the front and rear of the steam turbine. The cooling process is to pump the cooling water into the condenser to exchange heat and then send it to the upper part of the cooling tower. The latent heat of vaporization of the exhaust steam at the end of the steam turbine is absorbed by the cooling water. The heat energy absorbed...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): F01K19/02F01K17/00
Inventor 李树生
Owner 李树生
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