CN103498815A - Efficient flow adjusting device of compressor - Google Patents
Efficient flow adjusting device of compressor Download PDFInfo
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- CN103498815A CN103498815A CN201310458284.4A CN201310458284A CN103498815A CN 103498815 A CN103498815 A CN 103498815A CN 201310458284 A CN201310458284 A CN 201310458284A CN 103498815 A CN103498815 A CN 103498815A
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- guide vane
- compressor
- flow
- main shaft
- adjusting device
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Abstract
The invention relates to the field of compressors, in particular to an efficient flow adjusting device of a compressor. The efficient flow adjusting device of the compressor is characterized in that a guide vane is connected with a main shaft, the main shaft is sleeved with an inlet guide vane rotating shaft, the inlet guide vane rotating shaft is fixed through a set screw, the upper end of the main shaft is fixed through a nut, and an air inlet channel is formed between the guide vane and a rolling bearing. By the adoption of the efficient flow adjusting device of the compressor, the performance of adjustment of the compressor by the inlet guide vane is improved, the flow adjustment range is expanded, flow loss, caused by gaps, of inlet air flow is reduced, the adjustment efficiency of the inlet guide vane is improved, and therefore the variable working condition performance of the centrifugal compressor is improved; the air volume generated in the process of emptying caused by the redundant air flow is greatly reduced, and the purpose that energy is saved is achieved.
Description
Technical field
The present invention relates to compressor field, is a kind of efficient stream quantity regulating device of compressor.
Background technique
Compressor climate impact in running needs the flow of frequent adjustments of gas, control flow by the method that installs air-intake guide vane in import additional in a lot of situations, yet because designing technique is relatively backward, the ability of air-intake guide vane adjust flux is inadequate at present, cause emptying the slatterning due to the tolerance surplus in the winter time, to waste the tolerance up to 30% in the time of maximum, cause the waste of the energy, international most advanced level at most only needs emptying 15% tolerance at present, therefore improve the design of entry guide vane, developing the efficient stream quantity regulating device is that the current compressor industry of China is badly in need of one of key technology solved, for improving China's compressor design technology, the enterprise competitive ability has great importance, for energy-saving and emission-reduction, be of great immediate significance simultaneously.
When the centrifugal compressor entry guide vane is regulated, stator can be rotated a certain angle, air-flow will be along the channel flow angled with the axial admission direction like this, and reaches prewhirling and throttle effect of expection.Structural type due to inlet passage and blade, make stator when rotating to an angle, its top and pipeline can not fit like a glove, and leave gap, and wherein a part of air-flow can be along Clearance Flow, and this part air-flow not only can not get effective adjusting, and main flow is impacted, cause flow losses, the power consumption of compressor is strengthened, waste energy.The existence of clearance between guide vanes can cause the stator flow losses to increase, and stator produces the ability reduction that air-flow is prewhirled, and the regulating working conditions scope of compressor stage is dwindled.The established angle of stator is larger, and the impact of Clearance Flow is also more serious.Therefore, can improve the efficiency of entry guide vane by improving foil nozzle, thereby improve the off design performance of centrifugal compressor.
Summary of the invention
The objective of the invention is, by changing stator position inlet passage structure, its blade tip clearance to be diminished, enlarge the scope of stator Flow-rate adjustment, reduce the flow losses of stator flow channel fluid, reach the purpose of province's merit, thereby reduce the utilization of the energy.
The present invention is achieved in that a kind of efficient stream quantity regulating device of compressor, it is characterized in that guide vane is connected with main shaft, is set with the entry guide vane rotatingshaft on main shaft, by Cock screw, fixes, and in the main shaft upper end, has nut to fix; At guide vane and roller bearing shop, gas-entered passageway is arranged; The top gas-entered passageway of guide vane present position circumferentially hollows out a part by the width edge of its top, leaf top shoulder, and it is wrapped up the gap portion of stator.
Owing to having adopted technique scheme, not only improved the adjusting function of entry guide vane to compressor, flow adjustment range is enlarged, the flow losses of the inlet air flow that the existence due to gap causes have also been reduced, improved the adjusting efficiency of entry guide vane, thereby improved the off design performance of centrifugal compressor, made because tolerance is superfluous that emptying gas flow greatly reduces, reached the purpose of energy saving.
The accompanying drawing explanation
Fig. 1 is structural representation of the present invention.
In the drawings: 1, guide vane; 2, gas-entered passageway; 3, entry guide vane rotatingshaft; 4, nut; 5, Cock screw; 6, rolling bearing; 7, main shaft.
Embodiment
Below in conjunction with drawings and Examples, the present invention is further illustrated.
In Fig. 1, guide vane 1 is connected with main shaft 7, is set with entry guide vane rotatingshaft 3 on main shaft 7, fixing by Cock screw 5, in main shaft 7 upper ends, has nut 4 fixing; At guide vane 1 and 6, rolling bearing, gas-entered passageway 2 is arranged.
Guide vane 1 drives its rotation by entry guide vane rotatingshaft 3, thereby changes direction and the area of air inlet incoming flow, and then reaches the effect of Flow-rate adjustment.The width that the top gas-entered passageway 2 of guide vane 1 present position is takeed on by its top, leaf top, along circumferentially hollowing out a part, makes it by the gap portion of stator parcel, reduces the blade tip clearance impact mobile on inlet flow field of stator, improves the adjusting function of entry guide vane.
Claims (1)
1. the efficient stream quantity regulating device of a compressor, it is characterized in that guide vane (1) is connected with main shaft (7), be set with entry guide vane rotatingshaft (3) on main shaft (7), fixing by Cock screw (5), in main shaft (7) upper end, there is nut (4) fixing; Between guide vane (1) and rolling bearing (6), gas-entered passageway (2) is arranged; The top gas-entered passageway (2) of guide vane (1) present position circumferentially hollows out a part by the width edge of its top, leaf top shoulder, and it is wrapped up the gap portion of stator.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310458284.4A CN103498815A (en) | 2013-10-01 | 2013-10-01 | Efficient flow adjusting device of compressor |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310458284.4A CN103498815A (en) | 2013-10-01 | 2013-10-01 | Efficient flow adjusting device of compressor |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN103498815A true CN103498815A (en) | 2014-01-08 |
Family
ID=49864057
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201310458284.4A Pending CN103498815A (en) | 2013-10-01 | 2013-10-01 | Efficient flow adjusting device of compressor |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN103498815A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113883097A (en) * | 2021-06-23 | 2022-01-04 | 上海凯泉泵业（集团）有限公司 | Centrifugal pump adjustable preposed guide vane device capable of widening high-efficiency area |
Citations (8)
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|---|---|---|---|---|
| JPS54109609A (en) * | 1978-02-17 | 1979-08-28 | Hitachi Ltd | Electric fan |
| JPS55153899A (en) * | 1979-05-18 | 1980-12-01 | Hitachi Ltd | Vertical shaft pump |
| CN201330717Y (en) * | 2009-01-05 | 2009-10-21 | 珠海格力电器股份有限公司 | Adjustable centrifugal type compressor |
| CN201843830U (en) * | 2010-09-14 | 2011-05-25 | 重庆通用工业(集团)有限责任公司 | Centrifugal blower fan entry and exit guide vane regulating device |
| CN202280643U (en) * | 2011-10-28 | 2012-06-20 | 宜兴市迪凡特机械制造有限公司 | Valve structure of vane guider |
| CN202673727U (en) * | 2011-10-28 | 2013-01-16 | 宜兴市迪凡特机械制造有限公司 | Adjusting control device |
| CN202811550U (en) * | 2012-09-02 | 2013-03-20 | 湖北省风机厂有限公司 | Inlet guide blade adjustment mechanism of high pressure fan |
| CN203488438U (en) * | 2013-10-01 | 2014-03-19 | 湖北双剑鼓风机股份有限公司 | Efficient flow adjustment device of compressor |
-
2013
- 2013-10-01 CN CN201310458284.4A patent/CN103498815A/en active Pending
Patent Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS54109609A (en) * | 1978-02-17 | 1979-08-28 | Hitachi Ltd | Electric fan |
| JPS55153899A (en) * | 1979-05-18 | 1980-12-01 | Hitachi Ltd | Vertical shaft pump |
| CN201330717Y (en) * | 2009-01-05 | 2009-10-21 | 珠海格力电器股份有限公司 | Adjustable centrifugal type compressor |
| CN201843830U (en) * | 2010-09-14 | 2011-05-25 | 重庆通用工业(集团)有限责任公司 | Centrifugal blower fan entry and exit guide vane regulating device |
| CN202280643U (en) * | 2011-10-28 | 2012-06-20 | 宜兴市迪凡特机械制造有限公司 | Valve structure of vane guider |
| CN202673727U (en) * | 2011-10-28 | 2013-01-16 | 宜兴市迪凡特机械制造有限公司 | Adjusting control device |
| CN202811550U (en) * | 2012-09-02 | 2013-03-20 | 湖北省风机厂有限公司 | Inlet guide blade adjustment mechanism of high pressure fan |
| CN203488438U (en) * | 2013-10-01 | 2014-03-19 | 湖北双剑鼓风机股份有限公司 | Efficient flow adjustment device of compressor |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113883097A (en) * | 2021-06-23 | 2022-01-04 | 上海凯泉泵业（集团）有限公司 | Centrifugal pump adjustable preposed guide vane device capable of widening high-efficiency area |
| CN113883097B (en) * | 2021-06-23 | 2024-05-17 | 上海凯泉泵业（集团）有限公司 | Adjustable front guide vane device of centrifugal pump capable of widening high-efficiency area |
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| C06 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| C02 | Deemed withdrawal of patent application after publication (patent law 2001) | ||
| WD01 | Invention patent application deemed withdrawn after publication |
Application publication date: 20140108 |