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High pressure ratio compressors with multiple intercooling and related methods

a compressor and high pressure technology, applied in the direction of positive displacement liquid engine, lighting and heating apparatus, liquid fuel engine, etc., to achieve the effect of improving reliability, size, overall reliability and footprin

Inactive Publication Date: 2015-06-04
NUOVO PIGNONE SPA
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Benefits of technology

The use of a high pressure air compressor with two levels of intercooling instead of two compressors in a turbo-compressor / generator train allows for the removal of one large casing, which results in benefits such as smaller size, lower cost, improved reliability, and a smaller footprint.

Problems solved by technology

Additionally, the cost of the two compressors and the operating costs (footprint) thereof make it attractive to seek using more efficient, cheaper and reliable equipment for the compression.

Method used

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  • High pressure ratio compressors with multiple intercooling and related methods
  • High pressure ratio compressors with multiple intercooling and related methods
  • High pressure ratio compressors with multiple intercooling and related methods

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Embodiment Construction

[0019]The following description of the exemplary embodiments refers to the accompanying drawings. The same reference numbers in different drawings identify the same or similar elements. The following detailed description does not limit the invention. Instead, the scope of the invention is defined by the appended claims. The following embodiments are discussed, for simplicity, with regard to the terminology and structure of a turbo-compressor / generator train. However, the embodiments to be discussed next are not limited to these systems, but may be applied to other systems in which plural compressors are used.

[0020]Reference throughout the specification to “one embodiment” or “an embodiment” means that a particular feature, structure or characteristic described in connection with an embodiment is included in at least one embodiment of the subject matter disclosed. Thus, the appearance of the phrases “in one embodiment” or “in an embodiment” in various places throughout the specificat...

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Abstract

Turbo-compressor / generator trains including high pressure ratio compressors with multiple intercooling and related methods are provided. A high pressure ratio compressor with multiple intercooling includes a casing with plural chambers, one or more shafts penetrating inside the chambers, and impellers mounted on the one or more shafts inside the chambers, respectively. Each chamber has a gas inlet and a gas outlet to allow gas flow to be input into and to be output from the respective chamber. A gas flow is successively compressed in each of the chambers, and is cooled outside the compressor when transferring from one chamber to a next chamber among the plural chambers.

Description

BACKGROUND[0001]Embodiments of the subject matter disclosed herein generally relate to high pressure ratio compressors with multiple intercooling and related methods; more particularly, to a turbo-compressor / generator train using a high pressure compressor with multiple intercooling instead of plural compressors.[0002]One type of turbo-machinery is a centrifugal compressor. Centrifugal compressors are usually designed in families intended to cover a specific flow range and use. In order to achieve a desired compression ratio, a centrifugal compressor may be arranged to perform compression one after another. For example, two centrifugal compressors are typically arranged in a turbo-compressor / generator train 100 as illustrated in FIG. 1. Such turbo-compressor / generator trains may be used for blast furnaces in the steel industry, natural gas liquefaction, gas reinjection and other oil and gas services.[0003]Five machines are mechanically coupled in the turbo-compressor / generator train...

Claims

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Application Information

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Patent Type & Authority Applications(United States)
IPC IPC(8): F04D29/58F04D29/62F04D17/12
CPCF04D29/582F04D29/624F04D17/12F04D17/122F02C6/06F02C7/143F04D29/5826F05D2230/80F25J1/0022F25J1/0274F25J1/0279F25J1/0283F25J1/0294F25J2230/06F25J2230/20Y10T29/49238
Inventor GUENARD, DENIS GUILLAUMEGABBRIELLI, ANDREATACCONELLI, REMOBANCHI, NICOLAGRECO, GIORGIOBOZZONE, FABIO
Owner NUOVO PIGNONE SPA
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