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Method for designing centrifugal compressor

A centrifugal compressor, design input technology, applied in calculation, special data processing applications, instruments, etc., can solve problems such as non-optimal solution, high dependence on designer experience, low efficiency of centrifugal compressor, etc.

Active Publication Date: 2018-05-25
SHENYANG BLOWER WORKS GROUP CORP +1
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  • Claims
  • Application Information

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Problems solved by technology

However, due to the large variety of model levels and their different characteristics, there are many ways to combine model levels, which requires a high level of experience for designers
Selecting model stages to design centrifugal compressors based on experience will result in limitations in the combination of selected model stages
The combination selected based on experience is not the optimal solution, and it is highly dependent on the experience of the designer and takes a long time
As a result, the efficiency of the centrifugal compressor is low, and the operating range is narrow, which is not conducive to achieving the purpose of energy saving and emission reduction

Method used

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  • Method for designing centrifugal compressor
  • Method for designing centrifugal compressor

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Embodiment Construction

[0039] Exemplary embodiments of the present disclosure will be described in more detail below with reference to the accompanying drawings. Although exemplary embodiments of the present disclosure are shown in the drawings, it should be understood that the present disclosure may be embodied in various forms and should not be limited by the embodiments set forth herein. Rather, these embodiments are provided for more thorough understanding of the present disclosure and to fully convey the scope of the present disclosure to those skilled in the art.

[0040] As mentioned in the background art, at present, a designer usually chooses a model stage to design a centrifugal compressor based on experience. However, because there are many types of model stages with different characteristics, and there are many ways to combine model stages, the experience requirements for designers are relatively high. Selecting model stages to design centrifugal compressors based on experience will caus...

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Abstract

The invention discloses a method for designing a centrifugal compressor and relates to the field of centrifugal compressor design. The main purpose is to eliminate the limitation of the model level selected based on experience, and to improve the efficiency of the centrifugal compressor designed and the range of broadened working conditions. The method includes selecting a model level combinationfrom a preset model level database according to design input parameters of the centrifugal compressor, wherein the preset model level database stores various tested model level data; according to themodel level combination and modeling rules, performing iterative computation on gas property parameters corresponding to inlet and outlet states at each level of the centrifugal compressor; accordingto the gas property parameters, performing iterative computation on performance parameters corresponding to the centrifugal compressor; according to the performance parameters, determining whether themodel level combination conforms to a preset optimal rule; if yes, generating a design scheme of the centrifugal compressor; and if not, reselecting the model level combination and performing calculation, until the model level combination conforms to the preset optimal rule. The method is suitable for designing the centrifugal compressor.

Description

technical field [0001] The invention relates to the field of centrifugal compressor design, in particular to a centrifugal compressor design method. Background technique [0002] As a general machine, centrifugal compressors are widely used in various national economic fields, such as metallurgy, chemical industry, oil refining, pharmaceuticals, air separation and other industries. Due to its importance, it has been hailed as the heart device in these devices. Since the flow rate, pressure ratio, and inlet temperature of compressors are different in various devices, and the media components are even more diverse, so the design parameters of most centrifugal compressors are different, and they are individually designed and single-stage compressors. products produced. Due to the high power of a single compressor and the improvement of the operating efficiency of the centrifugal compressor, it is of great significance to save energy. [0003] The design methods of centrifuga...

Claims

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Application Information

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IPC IPC(8): G06F17/50
CPCG06F30/17
Inventor 张鹏刚刘长胜孙玉莹周慧彬
Owner SHENYANG BLOWER WORKS GROUP CORP
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