CN107605764A - Compound compressor - Google Patents
Compound compressor Download PDFInfo
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- CN107605764A CN107605764A CN201710725978.8A CN201710725978A CN107605764A CN 107605764 A CN107605764 A CN 107605764A CN 201710725978 A CN201710725978 A CN 201710725978A CN 107605764 A CN107605764 A CN 107605764A
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- Prior art keywords
- level
- pipeline section
- compound compressor
- return duct
- compressor according
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Abstract
The invention discloses a kind of compound compressor, compound compressor includes return duct and current equalizer between one stage of compression portion, secondary compressing portion, level, one stage of compression portion has one-level air inlet and one-level exhaust outlet, secondary compressing portion has secondary inlet mouth and secondary exhaust, return duct is connected between one-level exhaust outlet and secondary inlet mouth between level, and current equalizer is arranged between level in return duct.According to the compound compressor of the present invention, the gas flow pattern in return duct between level is improved, and then adds the operating efficiency of secondary compressing portion, improves the operating efficiency of compound compressor.
Description
Technical field
The present invention relates to a kind of compressor, in particular to a kind of compound compressor.
Background technology
Compound compressor can include multi-stage compression portion, and every grade of compression unit can be centrifugal compressor, adjacent two-stage
Connected between compression unit by return duct between level, due to the air-flow from return duct between one stage of compression portion inflow level in the shape of a spiral, and
There are multiple elbows in return duct between level, further upset the air flow press molding in return duct between level, cause the stream of gas in pipe
Field distribution is disorderly.Thus, after disorderly air-flow enters secondary compressing portion, the pneumatic design difficulty of secondary compressing portion is added, together
When also reduce the operating efficiency of secondary compressing portion.
The content of the invention
It is contemplated that at least solves one of technical problem in correlation technique to a certain extent.Therefore, the present invention carries
A kind of compound compressor at least improving operating efficiency is to a certain extent gone out.
Flow according to return duct between compound compressor of the present invention, including one stage of compression portion, secondary compressing portion, level and
Device, the one stage of compression portion have an one-level air inlet and one-level exhaust outlet, the secondary compressing portion have secondary inlet mouth and
Secondary exhaust, return duct is connected between the one-level exhaust outlet and the secondary inlet mouth between the level, the stream dress
Put and be arranged between the level in return duct.
According to compound compressor of the present invention, the gas flow pattern in return duct between level is improved, and then add two
The operating efficiency of level compression unit, improve the operating efficiency of compound compressor.
According to compound compressor of the present invention, the current equalizer is configured with multiple stream dresses for flowing blade
Put.
Further, the stream blade radially distributes and will flowed back between the level at the current equalizer
Multiple runners are separated into inside pipe.
Further, it is multiple it is described flow blades circumferentially equidistantly distributed so that multiple runners
Gas flow section it is equal.
Further, each stream runner has fan shaped cross section.
Further, the blade that flows be tabular blade, and the stream blade described is flowed parallel to being provided with
The axial direction of return duct between the level at blade.
According to compound compressor of the present invention, return duct includes one-level pipeline section, connection pipeline section and two level between the level
Pipeline section, the connection pipeline section are connected between the one-level pipeline section and the two level pipeline section.
Further, the current equalizer is arranged in the two level pipeline section or the connection pipeline section.
Further, the axial length of the one-level pipeline section is more than the axial length of the second level pipeline section, the one-level
Pipeline section extends towards the direction of the secondary inlet mouth close to the secondary compressing portion and crosses over the secondary inlet mouth.
Further, the one-level pipeline section is parallel with the two level pipeline section, the remote one-level of the one-level pipeline section
One end of exhaust outlet is concordant with one end of the remote secondary inlet section of the two level pipeline section.
Further, the connection pipeline section has a straight sections and two bent portions, two bent portions respectively with institute
State one-level pipeline section with the two level pipeline section to be connected, the current equalizer is provided with the straight sections.
According to compound compressor of the present invention, drive is folded between the one stage of compression portion and the secondary compressing portion
Dynamic motor.
The additional aspect and advantage of the present invention will be set forth in part in the description, and will partly become from the following description
Obtain substantially, or recognized by the practice of the present invention.
Brief description of the drawings
The above-mentioned and/or additional aspect and advantage of the present invention will become in the description from combination accompanying drawings below to embodiment
Substantially and it is readily appreciated that, wherein：
Fig. 1 is the structural representation of the current equalizer of the embodiment of the present invention；
Fig. 2 is the structural representation of the compound compressor of the embodiment of the present invention.
Reference：
Compound compressor 100, one stage of compression portion 1, one-level exhaust outlet 11, secondary compressing portion 2, secondary inlet mouth 21, two level
Exhaust outlet 22, return duct 3 between level, one-level pipeline section 31, two level pipeline section 32 connect pipeline section 33, bent portion 331, straight sections 332,
Device 4 is flowed, flows blade 41, motor 5, economizer joint 6.
Embodiment
Embodiments of the invention are described below in detail, the example of the embodiment is shown in the drawings, wherein from beginning to end
Same or similar label represents same or similar element or the element with same or like function.Below with reference to attached
The embodiment of figure description is exemplary, it is intended to for explaining the present invention, and is not considered as limiting the invention.
In the description of the invention, it is to be understood that term " length ", " interior ", " outer ", " axial direction ", " radial direction ", " week
To " etc. instruction orientation or position relationship be based on orientation shown in the drawings or position relationship, be for only for ease of and describe this hair
It is bright and simplify description, rather than instruction or imply that signified device or element must have specific orientation, with specific orientation
Construction and operation, therefore be not considered as limiting the invention.
In addition, term " first ", " second " are only used for describing purpose, and it is not intended that instruction or hint relative importance
Or the implicit quantity for indicating indicated technical characteristic.Thus, define " first ", the feature of " second " can be expressed or
Implicitly include one or more this feature.In the description of the invention, " multiple " are meant that at least two, such as two
It is individual, three etc., unless otherwise specifically defined.
In the present invention, unless otherwise clearly defined and limited, term " installation ", " connected ", " connection ", " fixation " etc.
Term should be interpreted broadly, for example, it may be fixedly connected or be detachably connected, or integrally；Can be that machinery connects
Connect or electrically connect or can communicate with one another；Can be joined directly together, can also be indirectly connected by intermediary, can
To be connection or the interaction relationship of two elements of two element internals.For the ordinary skill in the art,
The concrete meaning of above-mentioned term in the present invention can be understood as the case may be.
Below in conjunction with the accompanying drawings and with reference to the specific embodiment description present invention.
The compound compressor 100 that Fig. 1 and Fig. 2 describes the embodiment of the present invention is combined first.
As shown in Fig. 2 the compound compressor 100 of the embodiment of the present invention can include one stage of compression portion 1, secondary compressing portion 2,
Return duct 3 and current equalizer 4 between level, one stage of compression portion 1 can have one-level air inlet (not shown) and one-level exhaust outlet
11, secondary compressing portion 2 can have secondary inlet mouth 21 and a secondary exhaust 22, and return duct 3 can connect one-level exhaust between level
Mouth 11 and secondary inlet mouth 21, the gas after thus being compressed by one stage of compression portion 1 return between can flowing into level from one-level exhaust outlet 11
Flow tube 3, then secondary inlet mouth 21 is flow to by return duct between level 3, and flow into secondary compressing portion 2 from secondary inlet mouth 21 and enter to advance
One step is compressed.
As shown in Fig. 2 current equalizer 4 can be arranged between level in return duct 3, where airflow passes current equalizer 4
Between level during the part of return duct 3, air-flow can be by the rectification of current equalizer 4, so as to improve the air-flow stream of return duct 3 between level
State, the air velocity distribution quality for flowing into secondary compressing portion 2 is improved, so as to reduce the pneumatic design difficulty of secondary compressing portion 2, together
When improve the operating efficiency of secondary compressing portion 2.
Compound compressor 100 according to embodiments of the present invention, by setting current equalizer 4 in the return duct 3 between level, in gas
When stream flows through the part of return duct 3 between level where current equalizer 4, air-flow can by the stop and rectification of current equalizer 4, so as to
The air flow press molding of return duct 3 between level is improved, the air velocity distribution quality for flowing into secondary compressing portion 2 is improved, so as to reduce two
The pneumatic design difficulty of level compression unit 2, while improve the operating efficiency of secondary compressing portion 2.
Specifically, as shown in Fig. 2 return duct 3 can be connected with economizer joint 6 between level.
In some optional embodiments of the present invention, as shown in figure 1, the construction of current equalizer 4 can be with multiple equal
Flow the current equalizer 4 of blade 41.When the part of return duct 3 between the level where airflow passes current equalizer 4, air-flow can be by equal
The rectification of blade 41 is flowed, so as to improve the air flow press molding of return duct 3 between level.
Specifically, as shown in Fig. 2 stream blade 41 can radially distribute, and returned between the level at current equalizer 4
Multiple runners can be separated into inside flow tube 3 by current equalizer 4.Adjacent two, which flow blade 41, can be close to be resisted against
Between level on the internal perisporium of return duct 3, thus each runner that flows can flow blade 41 and adjacent two by adjacent two
The individual internal perisporium for flowing the return duct between blade 41 limits out jointly.When airflow passes runner, air-flow is flowed
The stop and guiding of the internal perisporium of blade 41 and return duct, thus air-flow flow through flow runner fluidised form can be changed
It is kind.
More specifically, as shown in figure 1, it is multiple flow blade 41 can circumferentially equidistantly distributed so that multiple
The gas flow section for flowing runner is equal.It is possible thereby to ensure the multiple fluidised form improvement degree phases flowed after runner of airflow passes
Deng, so as to ensure that by between the different air-flows flowed after runners without interference with more flat that is, after airflow passes runner
It is suitable.It can be rectangle each to flow blade 41, and the structure of current equalizer 4 is simple, is easy to manufacture.
More specifically, as shown in figure 1, each stream runner can have fan shaped cross section.It is it is understood that multiple
Flow blade 41 can radially extending along return duct between level 3, the circular cross-section of return duct between level 3 is divided into multiple areas
Identical sector crosssection, thus, the small volume between stream blade 41 occupancy level in return duct 3, air-flow of being more convenient for return between level
Flowed in flow tube 3.
More specifically, as shown in Fig. 2 it can be tabular blade to flow blade 41, stream blade 41 can be parallel to
The axial direction for flowing return duct 3 between level at blade 41 is provided with, i.e., the length direction for flowing blade 41 can be along flowing leaf
The axial direction extension of the place return duct of piece 41.Thus the surface for flowing blade 41 can be plane, so as to which air-flow is flowing through
When flowing runner, it can increase and flow guiding and rectified action of the surface of blade 41 to air-flow, meanwhile, relative to the stream of curved surface
Blade, plane flow that guiding and rectified action of the blade 41 to air-flow are more preferable, and air-flow flows through the fluidised form after flowing blade 41 more
Steadily.
In some specific embodiments, as shown in Fig. 2 return duct 3 can include one-level pipeline section 31, connection pipeline section between level
33 and two level pipeline section 32, connection pipeline section 33 can be connected between one-level pipeline section 31 and two level pipeline section 32.One-level pipeline section 31 can be with
It is connected with one stage of compression portion 1, two level pipeline section 32 can be connected with secondary compressing portion 2, one-level pipeline section 31 and two level pipeline section 32
Think straight tube, thus return duct 3 can be welded to one another system by one-level pipeline section 31, connection pipeline section 33 and two level pipeline section 32 between level
Into the manufacture of return duct 3 is simpler between level.
In some specific embodiments, current equalizer 4 can be arranged in two level pipeline section 32, it is possible thereby to ensure to flow
Device 4 is set close to the secondary inlet mouth 21 of secondary compressing portion 2, ensures that air-flow will not be returned after current equalizer 4 by between level
The bend of flow tube 3 influences, and so as to ensure that the air-flow for improving fluidised form enters secondary compressing portion 2, adds the work of secondary compressing portion 2
Efficiency.
Position of the current equalizer 4 between level in return duct 3 can more than that, in other specific embodiments
In, as shown in Fig. 2 current equalizer 4 can also be arranged in connection pipeline section 33, thus the arrangement space of current equalizer 4 is bigger,
Stream device 4 is more convenient for arranging.In some other specific embodiments, current equalizer 4 can also be arranged on one-level pipeline section 31
It is interior.
In some specific embodiments, as shown in Fig. 2 the axial length of one-level pipeline section 31 can be more than second level pipeline section
32 axial length, one-level pipeline section 31 can be towards the direction extensions and leap of the secondary inlet mouth 21 close to secondary compressing portion 2
Secondary inlet mouth 21, it is possible thereby to more easily be connected connection pipeline section 33 with one-level pipeline section 31 and two level pipeline section 32 respectively.
More specifically, as shown in Fig. 2 one-level pipeline section 31 can be parallel with two level pipeline section 32, one-level pipeline section 31 it is remote
One end of one-level exhaust outlet 11 can be concordant with one end of the remote secondary inlet section of two level pipeline section 32, is thus connected pipeline section 33
Design is simpler, more easily can be connected connection pipeline section 33 with one-level pipeline section 31 and two level pipeline section 32 respectively.
More specifically, as shown in Fig. 2 connection pipeline section 33 can have straight sections 332 and two bent portions 331, two
Bent portion 331 can be connected with one-level pipeline section 31 and two level pipeline section 32 respectively, and current equalizer 4 can be provided with straight sections 332,
Thus the setting of current equalizer 4 is more convenient, and air-flow will not be disturbed during current equalizer 4 is flowed by bent portion 331
Stream influences, and the improvement of air-flow is more obvious.
In some specific embodiments, as shown in Fig. 2 can be folded between one stage of compression portion 1 and secondary compressing portion 2
Motor 5, motor 5 can drive one stage of compression portion 1 and secondary compressing portion 2 to work.
In the description of this specification, reference term " one embodiment ", " some embodiments ", " example ", " specifically show
The description of example " or " some examples " etc. means specific features, structure, material or the spy for combining the embodiment or example description
Point is contained at least one embodiment or example of the present invention.In this manual, to the schematic representation of above-mentioned term not
Identical embodiment or example must be directed to.Moreover, specific features, structure, material or the feature of description can be with office
What combined in an appropriate manner in one or more embodiments or example.In addition, those skilled in the art can say this
Different embodiments or example described in bright book are engaged and combined.
Although embodiments of the invention have been shown and described above, it is to be understood that above-described embodiment is example
Property, it is impossible to limitation of the present invention is interpreted as, one of ordinary skill in the art within the scope of the invention can be to above-mentioned
Embodiment is changed, changed, replacing and modification.
Claims (12)
- A kind of 1. compound compressor, it is characterised in that including：One stage of compression portion, the one stage of compression portion have one-level air inlet and one-level exhaust outlet；Secondary compressing portion, the secondary compressing portion have secondary inlet mouth and secondary exhaust；Return duct between level, return duct is connected between the one-level exhaust outlet and the secondary inlet mouth between the level；Current equalizer, the current equalizer are arranged between the level in return duct.
- 2. compound compressor according to claim 1, it is characterised in that the current equalizer, which is configured with, multiple to flow The current equalizer of blade.
- 3. compound compressor according to claim 2, it is characterised in that the stream blade radially distributes and by position Between the level at the current equalizer multiple runners are separated into inside return duct.
- 4. compound compressor according to claim 3, it is characterised in that multiple stream blades circumferentially equidistantly divide Cloth, so that the gas flow section of multiple stream runners is equal.
- 5. compound compressor according to claim 3, it is characterised in that each runner that flows has sector transversal Face.
- 6. compound compressor according to claim 3, it is characterised in that the blade that flows is tabular blade, described Flow axial direction of the blade parallel to return duct between the level being provided with the stream blade.
- 7. compound compressor according to claim 1, it is characterised in that return duct includes between the level：One-level pipeline section, connection pipeline section and two level pipeline section, the connection pipeline section are connected to the one-level pipeline section and the two level pipeline section Between.
- 8. compound compressor according to claim 7, it is characterised in that the current equalizer is arranged on the two level pipeline section Or in the connection pipeline section.
- 9. compound compressor according to claim 7, it is characterised in that the axial length of the one-level pipeline section is more than described The axial length of second level pipeline section, direction extension of the one-level pipeline section towards the secondary inlet mouth close to the secondary compressing portion And cross over the secondary inlet mouth.
- 10. compound compressor according to claim 9, it is characterised in that the one-level pipeline section is put down with the two level pipeline section OK, one end of the remote one-level exhaust outlet of the one-level pipeline section and the remote secondary inlet section of the two level pipeline section One end is concordant.
- 11. compound compressor according to claim 10, it is characterised in that the connection pipeline section has straight sections and two Bent portion, two bent portions are connected with the one-level pipeline section and the two level pipeline section, are provided with the straight sections respectively The current equalizer.
- 12. compound compressor according to claim 1, it is characterised in that the one stage of compression portion and the two-stage compression Motor is folded between portion.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710725978.8A CN107605764A (en) | 2017-08-22 | 2017-08-22 | Compound compressor |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710725978.8A CN107605764A (en) | 2017-08-22 | 2017-08-22 | Compound compressor |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN107605764A true CN107605764A (en) | 2018-01-19 |
Family
ID=61065610
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201710725978.8A Pending CN107605764A (en) | 2017-08-22 | 2017-08-22 | Compound compressor |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN107605764A (en) |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1585861A (en) * | 2001-11-12 | 2005-02-23 | 弗莱克特伍茨股份有限公司 | High-pressure fan |
| US20060198727A1 (en) * | 2005-03-01 | 2006-09-07 | Arnold Steven D | Turbocharger compressor having ported second-stage shroud, and associated method |
| US20090205360A1 (en) * | 2008-02-20 | 2009-08-20 | Haley Paul H | Centrifugal compressor assembly and method |
| CN102691666A (en) * | 2012-06-20 | 2012-09-26 | 湖南航翔燃气轮机有限公司 | Double-stage centrifugal air compressing device |
| CN107044437A (en) * | 2017-05-22 | 2017-08-15 | 无锡商业职业技术学院 | The regulation and control system of compound compressor |
-
2017
- 2017-08-22 CN CN201710725978.8A patent/CN107605764A/en active Pending
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1585861A (en) * | 2001-11-12 | 2005-02-23 | 弗莱克特伍茨股份有限公司 | High-pressure fan |
| US20060198727A1 (en) * | 2005-03-01 | 2006-09-07 | Arnold Steven D | Turbocharger compressor having ported second-stage shroud, and associated method |
| US20090205360A1 (en) * | 2008-02-20 | 2009-08-20 | Haley Paul H | Centrifugal compressor assembly and method |
| CN102691666A (en) * | 2012-06-20 | 2012-09-26 | 湖南航翔燃气轮机有限公司 | Double-stage centrifugal air compressing device |
| CN107044437A (en) * | 2017-05-22 | 2017-08-15 | 无锡商业职业技术学院 | The regulation and control system of compound compressor |
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| PB01 | Publication | ||
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| SE01 | Entry into force of request for substantive examination | ||
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| RJ01 | Rejection of invention patent application after publication | ||
| RJ01 | Rejection of invention patent application after publication |
Application publication date: 20180119 |