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Patent application title:

Combined Circulation Condenser

Publication number:

US20070125084A1

Publication date:
Application number:

11/164,848

Filed date:

2005-12-07

Abstract:

The combined circulation condenser will increase the overall efficiency of a steam plant. Less fuel will be consumed for a given power level. It has become increasingly important to conserve fuel and resources. This is true with power generation plants, as well as propulsion plants, Civilian, as well as Military. This combined circulation condenser will do just that.

Inventors:

Assignee:

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Classification:

  1. Mechanical engineering
  2. Machines or engines in general ; engine plants in general; steam engines

F01K9/003 »  CPC main

Plants characterised by condensers arranged or modified to co-operate with the engines condenser cooling circuits

F01K13/00 IPC

General layout or general methods of operation of complete plants

F01K3/00 IPC

Plants characterised by the use of steam or heat accumulators, or intermediate steam heaters, therein

F01K3/00 IPC

Steam engine plants

F01K1/00 IPC

Steam accumulators

Description

The traditional steam cycle using high energy steam to operate turbines or auxiliary equipment exhausts into a condenser.

Here, the steam is condensed and delivered by the condensate pumps to the feed pumps, which in turn returns the water to the steam generator. Subcooling in the condenser is avoided to preclude loss of efficiency for the overall cycle. Subcooling, however does increase the efficiency of the turbines, and condensate pump. This combined circulation condenser, takes the discharge of the condensate pump, and directs the condensate through a bundle of tubes in the condenser to pick up heat from the steam exhausting the turbine. This allows a degree of subcooling in the condenser, and the loss of BTU's is recovered in the tube bundle, relfecting an overall increase of efficiency of the steam cycle. This condensate passing through condenser tubes accounts for a portion of the cooling water flow through the condenser. Hence the term combined circulation condenser.

Claims

What is claimed is:

1. This combined circulation condenser increases the efficiency of the steam cycle, and uses less fuel for a given power level. The condenser allows subcooling of the condensate, which increases the efficiency of the turbine and the condensate pump, and recovers the lost BTU's by passing the condensate through a bundle of tubes in the condenser picking up BTU's from the steam exiting the turbine.

Resources

Images & Drawings included:

Fig. 01 - Combined Circulation Condenser
Fig. 01
Fig. 02 - Combined Circulation Condenser
Fig. 02

Sources:

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