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Leakage reduction system in power plant operations

A power plant, technology in operation, applied in the field of gas leakage reduction system, capable of solving unsatisfactory problems, etc.

Inactive Publication Date: 2014-06-18
ARVOS INC
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

To reduce such leaks, the use of pressurized seals is very practical and is generally considered satisfactory for its intended use, but is also useful for preventing residual amounts of oxygen from turning over towards the flue gas side due to such leaks. may be unsatisfactory for

Method used

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  • Leakage reduction system in power plant operations
  • Leakage reduction system in power plant operations
  • Leakage reduction system in power plant operations

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Embodiment Construction

[0048] For a thorough understanding of the present disclosure, the following detailed description, including the appended claims, is set forth in conjunction with the foregoing drawings. In the following description, for purposes of explanation, numerous specific details are set forth in order to provide a thorough understanding of the present disclosure. It will be apparent, however, to one skilled in the art that the present disclosure may be practiced without these specific details. In other instances, structures and devices are shown in block diagram form only in order to avoid obscuring the disclosure. In this specification, references to "one embodiment," "another embodiment," "various embodiments" mean that a particular feature, structure, or characteristic described in connection with the embodiment is included in the present disclosure. In at least one embodiment of . The appearances of the phrase "in one embodiment" in various places in the specification are not ne...

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Abstract

The invention relates to a leakage reduction system in power plant operations. The leakage reduction system (1000) includes a heat exchanger (100), a duct arrangement (200) and a separation arrangement (300). The heat exchanger (100) includes a rotor assembly 102 rotatably mounted along a rotor post 104. The heat exchanger (100) further includes a second inlet plenum (112a), whereat the duct arrangement (200) is configured. Further, the separation arrangement (300) is incorporated at the duct arrangement (200) dividing thereto into primary inlets (210) and secondary inlets (220). Through the primary inlet (210), a flue gas enriched with Oxygen is carried, and through the secondary inlet (220) a recycled flue gas flow is allowed to be carried, keeping the oxygen enriched recycled flue gas flow substantially away from the rotor post region 104 to avoid turnover towards a flue gas flow, reducing leakage thereof.

Description

technical field [0001] The present disclosure relates to power plant operations, and more particularly to gas leakage reduction systems across regenerative heat exchangers of such power plants. Background technique [0002] In power plant operation, regenerative heat exchangers, such as air preheaters, are used to recover sensible heat contained in the flue gas stream leaving the boiler to transfer heat to the combustion air entering the boiler. In addition to preheating the combustion air, the recovered heat can be used to heat the air stream that can be used to dry the coal to be pulverized and fired in the furnace. [0003] Depending on fuel properties and overall system design, airflow characteristics and quality are developed. For example, in power plants, such as oxy-combustion power plants for oxy-combustion applications, typically a mixture of nearly pure oxygen and recirculated flue gas is used for the combustion of the fuel. In such applications, there is likely ...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): F23L15/00
CPCF23C9/00F23L15/02F28D19/047F28D19/041Y02E20/12Y02E20/34F23B80/00F23J11/00F23L7/00
Inventor H.米勒-奥登瓦尔德F.维兰德
Owner ARVOS INC