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Zero leakage inlet guide vane device

An inlet guide vane, zero-leakage technology, applied in the components of pumping devices for elastic fluids, non-variable-capacity pumps, machines/engines, etc., can solve problems such as high investment costs, medium leakage, air leakage pipelines, etc. , to achieve the effect of simple structure and convenient installation

Pending Publication Date: 2019-07-09
JIN TONG LING TECH GRP CO LTD
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

However, for some special process system compressors, the inlet medium of the compressor is mostly toxic, harmful, flammable and explosive gas components, and the inlet pipeline is mostly positive pressure or relatively large negative pressure.
If this kind of process compressor still uses the traditional air compressor inlet guide vane, the medium in the process system will leak into the atmosphere, endangering the health of on-site personnel; or the air will leak into the pipeline, resulting in process gas pollution
If the inlet guide vane device is canceled and the frequency conversion motor is used to adjust the air volume, it will lead to higher input costs

Method used

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Embodiment Construction

[0016] The specific embodiments of the present invention will be further described below in conjunction with the accompanying drawings, and this embodiment does not constitute a limitation to the present invention.

[0017] Such as figure 1 As shown, the present invention includes a cylinder 1 and an outer casing. The outer casing is divided into upper and lower parts, which are an upper casing 2 and a lower casing 3, and the upper casing 2 and the lower casing 3 A center split flange 4 is provided near the center division. The upper shell 2 and the lower shell 3 are fixedly connected by a center split flange 4, and the center split flange 4 and the cylinder 1 pass through the stop The ports are matched and connected, and the cylinder body 1 is respectively processed with stop ports near the center split flange 4.

[0018] Such as figure 2 As shown, the upper housing 2 and the lower housing 3 are also provided with an O-ring groove 5, and an O-ring is provided in the O-ring groov...

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Abstract

The invention discloses a zero leakage inlet guide vane device. The zero leakage inlet guide vane device comprises a cylinder body and a transmission shaft, and further comprises an external shell. The shell is arranged outside the cylinder body, the shell is divided into an upper shell and a lower shell, middle split surface flanges are welded to the outsides of the upper shell and the lower shell, and the upper shell and the lower shell are fixedly connected through the middle split surface flanges. The transmission shaft penetrates through the upper shell, flexible graphite ring mounting seats are arranged on the upper part, on the periphery of the transmission shaft, of the upper shell, flexible graphite rings are arranged on the flexible graphite ring mounting seats, and cover platesare arranged on the flexible graphite rings. The zero leakage inlet guide vane device has the advantages of simple structure, convenient installation, is suitable for compressors with various processsection media, and zero leakage can be achieved under higher pressure.

Description

Technical field [0001] The invention relates to a process compressor, in particular to a zero leakage inlet guide vane device of the compressor. Background technique [0002] The inlet guide vane device is widely used in centrifugal compressors because of its wide adjustment range and precise anti-surge control matched with the outlet vent valve. However, for some compressors used in special process systems, the compressor inlet medium is mostly toxic and harmful, flammable and explosive gas components, and the inlet pipeline is mostly positive or negative pressure. If this process compressor still uses the traditional air compressor inlet guide vane, the medium in the process system will leak to the atmosphere, endangering the health of on-site personnel; or air leaks into the pipeline, causing process gas pollution. If the inlet guide vane device is cancelled and the variable frequency motor is used to adjust the air volume, it will lead to higher investment costs. The invent...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): F04D29/44F04D29/16F04D29/62
CPCF04D29/441F04D29/162F04D29/624
Inventor 陈军徐进金锦慧
Owner JIN TONG LING TECH GRP CO LTD
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