CN206000629U - A kind of processor casing structure - Google Patents
A kind of processor casing structure Download PDFInfo
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- CN206000629U CN206000629U CN201620608841.5U CN201620608841U CN206000629U CN 206000629 U CN206000629 U CN 206000629U CN 201620608841 U CN201620608841 U CN 201620608841U CN 206000629 U CN206000629 U CN 206000629U
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- casing
- air cavity
- ring block
- cavity ring
- annular groove
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Abstract
The utility model discloses a kind of processor casing structure, it is related to turbogenerator compressor technical field.Described processor casing structure comprises air cavity ring block, casing；Described casing includes at least two ring segment, and described ring segment refers to a part for whole annulus；The inner surface setting of described casing has the dead in line of annular groove, the axis of described annular groove and described casing；Described air cavity ring block is at least provided with two, described air cavity ring block is arranged in described annular groove, form gas channel between the side of described air cavity ring block and the side of described annular groove, described gas channel has an air inlet and a gas outlet in the axial direction of described casing, air-flow, after described air inlet enters described gas channel rectification, flows out from described gas outlet.The utility model has the advantage of：Form the gas channel required for self-circulation type treated casing, thus reaching the purpose improving compressor steady operation nargin between the side of air cavity ring block and the side of casing.
Description
Technical field
This utility model is related to turbogenerator compressor technical field and in particular to a kind of processor casing structure.
Background technology
In the design of turbogenerator compressor, treated casing technology can significantly improve compressor steady operation nargin.
In numerous treated casing technology, there is a kind of self-circulation type processor box, its ultimate principle is in casing blade downstream
Slotting in certain higher-pressure region, and makes itself and blade upstream UNICOM, using the high pressure mental retardation stream in this structure pump blades downstream, then uses
The air-flow of suction accelerates the low speed flow of upstream, forms self-loopa in treatment trough for the fluid, stable to reach raising compressor
Margin of operation purpose.But such processor casing structure is more complicated it is difficult to direct realize on casing part.
Utility model content
The purpose of this utility model is to provide a kind of processor casing structure, is deposited with solving or at least mitigating in background technology
At least one at problem.
The technical solution of the utility model is：A kind of processor casing structure is provided, comprises air cavity ring block, casing；Described machine
Casket includes at least two ring segment, and described ring segment refers to a part for whole annulus；The inner surface setting of described casing has annular recessed
The dead in line of groove, the axis of described annular groove and described casing；Described air cavity ring block at least provided with two, described air cavity
Ring block is arranged in described annular groove, forms air-flow and lead between the side of described air cavity ring block and the side of described annular groove
Road, described gas channel has an air inlet and a gas outlet in the axial direction of described casing, and air-flow enters from described air inlet
After entering described gas channel rectification, flow out from described gas outlet.
Preferably, described annular groove is circular groove on the section of described casing, and described section referred to described
The section of casing axis, arc axis on described section for the described circular groove are vertical with the axis of described casing.
Preferably, annular groove is provided with slideway at the two ends of described casing axial direction, and described slideway is used for installing institute
State air cavity ring block.
Preferably, described air cavity ring block comprises two slide blocks and an arc plate, and two described slide blocks are separately positioned on institute
State the two ends of arc plate, the dead in line of the axis of described arc plate and described casing, described slide block is T-shape structure.
Preferably, described casing is opposite opened casing.
Preferably, on two and half casings of described casing, each half casing is provided with 1～6 air cavity ring block.
The utility model has the advantage of：Processor casing structure of the present utility model comprises air cavity ring block and casing, air cavity
Form the gas channel required for self-circulation type treated casing, thus reaching raising pressure between the side of ring block and the side of casing
The purpose of mechanism of qi steady operation nargin.
Casing in this utility model includes at least two ring segment, is conducive to the installation of air cavity ring block.
Air cavity ring block is at least provided with 2, it is possible to reduce the arc length of single air cavity ring block, is conducive to air cavity ring block in casing
Installation in annular groove.
Brief description
Fig. 1 is the partial schematic diagram of the processor casing structure of this utility model one embodiment.
Fig. 2 is the operation principle schematic diagram of the processor casing structure shown in Fig. 1.
Fig. 3 is the schematic diagram of the air cavity ring block in the processor casing structure shown in Fig. 1.
Wherein, 1- air cavity ring block, 11- slide block, 12- arc plate, 2- casing, 21- annular groove, 3- blade, 4- air inlet,
5- gas outlet, 6- gas channel.
Specific embodiment
For making purpose, technical scheme and advantage that this utility model is implemented clearer, below in conjunction with this utility model
Accompanying drawing in embodiment, is further described in more detail to the technical scheme in this utility model embodiment.In the accompanying drawings, ad initio
To the element that same or similar label represents same or similar element or has same or like function eventually.Described reality
Applying example is a part of embodiment of this utility model, rather than whole embodiments.Embodiment below with reference to Description of Drawings
It is exemplary it is intended to be used for explaining this utility model, and it is not intended that to restriction of the present utility model.New based on this practicality
Embodiment in type, the every other enforcement that those of ordinary skill in the art are obtained under the premise of not making creative work
Example, broadly falls into the scope of this utility model protection.Below in conjunction with the accompanying drawings embodiment of the present utility model is described in detail.
In description of the present utility model it is to be understood that term " " center ", " longitudinal ", " horizontal ", "front", "rear",
The orientation of instruction such as "left", "right", " vertical ", " level ", " top ", " bottom " " interior ", " outward " or position relationship are based on accompanying drawing institute
The orientation showing or position relationship, are for only for ease of description this utility model and simplify description, rather than instruction or hint indication
Device or element must have specific orientation, with specific azimuth configuration and operation, therefore it is not intended that to this practicality
The restriction of novel protected scope.
As shown in Figure 1 to Figure 3, a kind of processor casing structure, comprises air cavity ring block 1, casing 2.Casing 2 includes at least two
Ring segment, described ring segment refers to a part of segmental arc of whole annulus；In the present embodiment, casing 2 is set to opposite opened casing, by two
Individual semicircular ring composition.Have an advantage in that, processing is simple and convenient, and demolition and maintenance are flexible.
In the present embodiment, each half casing of casing 2 is provided with 6 air cavity ring blocks 1.It is understood that casing 2
Each half casing on the quantity of air cavity ring block 1 installed can be set according to practical situation.For example, in an alternative
In, consider the diameter of casing 2,3 air cavity ring blocks 1 are installed on each half casing；It is understood that at each
The quantity of the air cavity ring block 1 installed on half casing can arbitrarily set as needed between 1 to 6.
It is understood that the ring segment number of casing 2 sets with specific reference to practical situation.For example, in an alternative
In, casing 2 collectively constitutes a full circle ring by 3 ring segment；In another alternative, casing 2 is by common group of 4 ring segment
Become a full circle ring；Casing 2 is also provided with 6 or 8 ring segment collectively constitute a full circle ring, and two adjacent ring segment connect
It is fixedly connected by flange between contacting surface, has an advantage in that, for large-scale casing, the rigidity of casing can be improved, and casing office
After portion damages, can be individually replaced, use cost is low, maintainable high.
The inner surface setting of casing 2 has the dead in line of annular groove 21, the axis of annular groove 21 and casing 2.Annular
Groove 21 is used for forming the gas channel required for self-circulation type treated casing,
At least provided with two, air cavity ring block 1 is arranged in annular groove 21 air cavity ring block 1, the side of air cavity ring block 1 with
Form gas channel 6 between the side of annular groove 21, be respectively formed a gas channel at each air cavity ring block 1, whole
Multiple gas channels are formed on casing 2, described gas channel has an air inlet 4 and a gas outlet in the axial direction of casing 2
5, air-flow, after described air inlet 4 enters described gas channel rectification, flows out from described gas outlet 5.
As shown in Fig. 2 the arrow in Fig. 2 represents airflow direction, the air-flow coming from front, through compressor blade 3
After effect, pressure rise, the air inlet that gases at high pressure pass through to be formed between air cavity ring block 1 and casing 2 enters described gas channel
6, after over commutation, sprayed by gas outlet, make fluid form self-loopa in described gas channel, substantially reduce near blade tip
Area of low pressure, improve blade tip flow condition, be finally reached improve compressor steady operation nargin purpose.
In the present embodiment, annular groove 21 is circular groove on the section of casing 2, and described section referred to casing
The section of 2 axis, arc axis on described section for the described circular groove are vertical with the axis of described casing 2.Its advantage
It is, circular groove is conducive to reducing the damping to gas coming through for the described gas channel.
In the present embodiment, annular groove 21 is provided with slideway at the two ends of casing 2 axial direction, and described slideway is used for pacifying
Dress air cavity ring block 1.Air cavity ring block 1 can slide in described slideway.
In the present embodiment, air cavity ring block 1 comprises two slide blocks 11 and an arc plate 12, and two slide blocks 11 are respectively provided with
At the two ends of arc plate 12, after air cavity slide block 1 is installed to the slideway on casing 2 Nei, the axis of the axis of arc plate 12 and casing 2
Overlap, slide block 11 is T-shape structure.
It is understood that the width of the axial direction in casing 2 for the annular groove 21 sets according to practical situation, air cavity ring
On block 1, the width of the axial direction in casing 2 for the arc plate 12 is less than the width of annular groove 21, and air cavity ring block 1 is in casing 2
Axial direction is symmetrical structure.
Last it is to be noted that：Above example is only in order to illustrating the technical solution of the utility model, rather than it is limited
System.Although being described in detail to this utility model with reference to the foregoing embodiments, those of ordinary skill in the art should manage
Solution：It still can be modified to the technical scheme described in foregoing embodiments, or wherein some technical characteristics are entered
Row equivalent；And these modifications or replacement, do not make the essence of appropriate technical solution depart from each embodiment of this utility model
The spirit and scope of technical scheme.
Claims (6)
1. a kind of processor casing structure it is characterised in that：Comprise air cavity ring block (1), casing (2)；
Described casing (2) includes at least two ring segment, and described ring segment refers to a part for whole annulus；Described casing (2) interior
Surface is provided with annular groove (21), the dead in line of the axis of described annular groove (21) and described casing (2)；
At least provided with two, described air cavity ring block (1) is arranged in described annular groove (21) described air cavity ring block (1), institute
State formation gas channel between the side of air cavity ring block (1) and the side of described annular groove (21), described gas channel is in institute
The axial direction stating casing (2) has an air inlet and a gas outlet, and it is whole that air-flow enters described gas channel from described air inlet
After stream, flow out from described gas outlet.
2. processor casing structure as claimed in claim 1 it is characterised in that：Described annular groove (21) is in described casing (2)
Section on be circular groove, described section referred to the section of described casing (2) axis, and described circular groove is described
Arc axis on section are vertical with the axis of described casing (2).
3. processor casing structure as claimed in claim 2 it is characterised in that：Annular groove (21) is in described casing (2) axially
The two ends in direction are provided with slideway, and described slideway is used for installing described air cavity ring block (1).
4. processor casing structure as claimed in claim 3 it is characterised in that：Described air cavity ring block (1) comprises two slide blocks
(11) and one arc plate (12), two described slide blocks (11) are separately positioned on the two ends of described arc plate (12), described circular arc
The axis of plate (12) and the dead in line of described casing (2), described slide block (11) is T-shape structure.
5. processor casing structure as claimed in claim 4 it is characterised in that：Described casing (2) is opposite opened casing.
6. processor casing structure as claimed in claim 5 it is characterised in that：On two and half casings of described casing (2), each
1～6 air cavity ring block (1) is provided with half casing.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620608841.5U CN206000629U (en) | 2016-06-21 | 2016-06-21 | A kind of processor casing structure |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620608841.5U CN206000629U (en) | 2016-06-21 | 2016-06-21 | A kind of processor casing structure |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN206000629U true CN206000629U (en) | 2017-03-08 |
Family
ID=58205370
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201620608841.5U Active CN206000629U (en) | 2016-06-21 | 2016-06-21 | A kind of processor casing structure |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN206000629U (en) |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112324710A (en) * | 2020-11-03 | 2021-02-05 | 中国航发沈阳发动机研究所 | Casing treatment structure and compressor thereof |
| CN113027817A (en) * | 2021-03-12 | 2021-06-25 | 西北工业大学 | Processing method and structure of self-circulation casing of axial flow compressor |
| CN114576008A (en) * | 2020-11-30 | 2022-06-03 | 中国航发商用航空发动机有限责任公司 | Aeroengine casing and aeroengine |
| CN114576008B (en) * | 2020-11-30 | 2024-06-04 | 中国航发商用航空发动机有限责任公司 | Aeroengine casing and aeroengine |
-
2016
- 2016-06-21 CN CN201620608841.5U patent/CN206000629U/en active Active
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112324710A (en) * | 2020-11-03 | 2021-02-05 | 中国航发沈阳发动机研究所 | Casing treatment structure and compressor thereof |
| CN112324710B (en) * | 2020-11-03 | 2022-03-04 | 中国航发沈阳发动机研究所 | Casing treatment structure and compressor thereof |
| CN114576008A (en) * | 2020-11-30 | 2022-06-03 | 中国航发商用航空发动机有限责任公司 | Aeroengine casing and aeroengine |
| CN114576008B (en) * | 2020-11-30 | 2024-06-04 | 中国航发商用航空发动机有限责任公司 | Aeroengine casing and aeroengine |
| CN113027817A (en) * | 2021-03-12 | 2021-06-25 | 西北工业大学 | Processing method and structure of self-circulation casing of axial flow compressor |
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