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Improved heat exchanger tube and air-to-air intercooler

A technology for heat exchanger tubes and coolers, applied in the field of air-to-air intercoolers, which can solve the problems of dangerous turbines, large volumes, and insufficient surface area for air-to-air heat exchangers

Inactive Publication Date: 2011-06-01
GEA RAINEY CORP
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

Because the internal volume of an intercooler using traditional tubes would be excessive and create a hazard to the turbine during shutdown, but currently available air-to-air heat exchangers do not provide sufficient surface area in a small unit, making this option seem unlikely. is reasonable

Method used

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  • Improved heat exchanger tube and air-to-air intercooler
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  • Improved heat exchanger tube and air-to-air intercooler

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Embodiment Construction

[0018] Referring now to the drawings, wherein like reference characters designate like or similar parts throughout the views, figure 1 A prior art system is shown in which an intercooler 20 and a secondary cooler 22 are used to cool compressed combustion air for a gas turbine 24 . A gas turbine 24 is typically used to run an electrical generator 26 . Hot compressed air from the gas turbine 24 is circulated through the intercooler 20 . Intercooler 20 is typically a shell and tube heat exchanger. Hot compressed air flows through the shell side of the intercooler 20 . The intercooler tubes carry water that has been cooled by the secondary cooler 22 . Heat from the hot compressed air is transferred to the water. The cooled compressed air is passed back to the gas turbine where it is directed to a second stage compressor where it is eventually mixed with fuel and combusted.

[0019] After the cooled water absorbs the heat in the intercooler, it is pumped back to the secondary ...

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PUM

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Abstract

An improved heat exchanger tube can be used in an air-to-air intercooler or other air-to-air heat exchangers. The cooling tube has a first tube with an inner and outer surface and a second tube with an inner and outer surface. The second tube is located inside the first tube. There are one or more walls extending from the inner surface of the first tube to the outer surface of the second tube. A plurality of fins are located on the outer surface of the first tube. The fins can take the form of individual circular fins or one or more helical fins.

Description

technical field [0001] The present invention generally relates to an air-to-air intercooler for a gas turbine. More specifically, the present invention relates to an improved tube for use in air-to-air intercoolers. Background technique [0002] Today, the use of gas turbines has become common in industry. Gas turbines used to drive electrical generators have become particularly common. A gas turbine fired power station can be built in a fraction of the time and at a fraction of the cost necessary to build a coal fired power station or a nuclear power station. It also has the advantage that other power sources (eg, hydro and wind) do not: it can be located essentially anywhere. Gas turbines compress air. This compression increases the temperature of the air substantially. Then, the air is mixed with fuel and burned. The force generated from this combustion is used to spin the turbine. To reduce emissions of various pollutants, and to increase turbine efficiency, an in...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): F28D7/10
CPCF28F1/40F05D2260/22141F28F1/26F28F1/36F05B2260/2241F02C7/143F28D7/10F28F1/10F01B23/10
Inventor 鲁斯·L·亨德森克里斯托弗·B·容格斯
Owner GEA RAINEY CORP