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Semi-modular rotor module

A modular and rotary technology, applied in the direction of indirect carbon dioxide emission reduction, combustion methods, lighting and heating equipment, etc., can solve the problems of increasing the cost of the air preheater, low precision, expensive, etc.

Inactive Publication Date: 2008-11-05
ARVOS INC
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

The labor used on site adds to the cost of the air preheater as it is more expensive than shop labor
Also, labor used on site assembles parts with less precision than shop labor due to lack of shop fixtures
Therefore, there is a risk of installation-related errors requiring later rework

Method used

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  • Semi-modular rotor module
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Examples

Experimental program
Comparison scheme
Effect test

Embodiment Construction

[0026] 1 is a partially broken perspective view of a conventional air preheater 10, in which a housing 12 is shown in which a runner 14 is mounted on a drive shaft or column 16 for rotation in the direction indicated by arrow 18. The runner includes a plurality of fan-shaped parts 20, each fan-shaped part includes a plurality of frame modules 22, and each fan-shaped part is defined by a partition 24. The frame module 22 includes a heat exchange surface. The housing 12 is divided into a flue gas side and an air side by means of a fan-shaped plate 26 that is flow-sealed. The corresponding sector plate is also located at the bottom of the module. The hot flue gas enters the air heater through the gas inlet duct 28 and flows through the runner 14, where the heat is transferred to the frame module 22 and then exits through the gas outlet duct 30. Simultaneously flowing air enters through the air inlet duct 32, flows through the frame module 22, where the air gains heat and then exits t...

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PUM

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Abstract

A semi-modular rotor module (60) for an air preheater (10) having a circular rotor includes a lug assembly (62) having a lug front (80), a lug back (86) spaced radially outward from the lug front (80). A single main diaphragm (64) extends radially from an inner end portion to an outer end portion, with the inner end portion being mounted to the lug front (80) on a first side of the lug assembly (62). The outer end portion is mounted to a rotor shell (66) whish is spaced radially from the lug back (86). At least one intermediate diaphragm (78) extends radially from an inner end portion, mounted to the lug back (86) at a position intermediate the first and second sides of the lug assembly (62), to an outer end portion mounted to the rotor shell (66).

Description

Technical field [0001] The present invention relates to a rotary regenerative heat exchanger commonly used as an air preheater, and more particularly to a rotary regenerative heat exchanger with a semi-modular runner structure. Background technique [0002] The rotary regenerative heat exchanger is used to transfer heat from a hot air stream, such as a hot flue gas stream, to another cold air stream, such as combustion air. The runner contains a large amount of endothermic material, which first rotates through a channel for hot air flow, in which heat is absorbed by the endothermic material. As the runner continues to rotate, the heated endothermic material enters the channel for the cold air flow, in which heat is transferred from the endothermic material to the cold air flow. [0003] In a conventional rotary heat exchanger, a cylindrical runner is arranged on a vertical central runner column and is divided into a plurality of sector-shaped compartments by a plurality of radial...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): F28D19/04F23L15/02
CPCF28D19/044F23L15/02Y02E20/34
Inventor M·E·布罗菲J·R·考博恩R·B·罗德斯M·扎克尔
Owner ARVOS INC