CN209743242U - Centrifugal compressor cylinder - Google Patents
Centrifugal compressor cylinder Download PDFInfo
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- CN209743242U CN209743242U CN201920577780.4U CN201920577780U CN209743242U CN 209743242 U CN209743242 U CN 209743242U CN 201920577780 U CN201920577780 U CN 201920577780U CN 209743242 U CN209743242 U CN 209743242U
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- exhaust passage
- casing
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- pipeline
- flange
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Abstract
The utility model relates to a centrifugal compressor cylinder, include, the exhaust passage casing, the even air flue that is equipped with of exhaust passage casing front end, be equipped with the arc lid on the circumference of exhaust passage casing, the left side of exhaust passage casing is equipped with the flange pipe, flange pipe and air flue intercommunication, the center department of exhaust passage casing is equipped with the pipeline, the one end of pipeline is equipped with the end cover flange, the other end of pipeline is equipped with the joint, the rear portion of exhaust passage casing is equipped with wallboard and transition intake duct casing in proper order, even being equipped with the big gas pocket on the wallboard, even being equipped with little gas pocket on the transition intake duct casing, the center of little gas pocket aligns with the center of big gas pocket and arranges. The utility model adopts the thread mode to connect each component with simple structure, thereby facilitating the installation and maintenance; in addition, the distributed air passages can assist the pipeline to work, the flow frequency of the air flow is changed to weaken or offset the resonance of the air flow, and finally, all parts connected in a threaded mode eliminate vibration, so that the phenomenon of surging is avoided.
Description
Technical Field
The utility model belongs to the technical field of gas turbine's compressor, in particular to centrifugal compressor cylinder.
background
The compressor is a component of a gas turbine engine that uses blades rotating at high speed to apply work to air to increase air pressure. To reduce the gas flow impact losses, the kinetic energy obtained by the gas in the impeller is converted as much as possible into pressure. However, the air flow direction of the air cylinder of the centrifugal gas turbine generally has a large deflection force and is limited by the length influence of the whole shafting, the air cylinder structure of the traditional air compressor is complex, the layout of the internal cavity is very compact, the casting and 3D printing technology cannot be integrally manufactured, and serious substantial defects are easily formed, so that the precision of a formed product is extremely low, the integral efficiency is reduced, and the surge phenomenon is easily generated; in addition, the unstable performance of the compressor cylinder easily causes the increase of the gas flow of the engine and the overall fluctuation range, the maintenance or the disassembly and the maintenance of the compressor cylinder are very troublesome, the overall manufacture cannot be decomposed and checked, the structural design is poor in reasonableness, and the maintenance and the assembly are inconvenient.
SUMMERY OF THE UTILITY MODEL
the invention provides a centrifugal compressor cylinder, which aims to solve the technical problems that the cylinder is complex in structure and difficult to manufacture, the disassembly or assembly process of maintenance and cleaning is difficult, and the cylinder has high vibration.
The utility model provides a technical scheme that above-mentioned technical problem took is: the utility model provides a centrifugal compressor cylinder, its structural feature lies in, include, the exhaust passage casing, exhaust passage casing appearance is cylindricly, the even air flue that is equipped with in exhaust passage casing front end, be equipped with the arc lid on the circumference of exhaust passage casing, the arc lid is a plurality of and welds with the exhaust passage casing, the left side of exhaust passage casing is equipped with the flange pipe, flange pipe and air flue intercommunication, the center department of exhaust passage casing is equipped with the pipeline, the one end of pipeline is equipped with the end cover flange, end cover flange and exhaust passage casing threaded connection, the other end of pipeline is equipped with the joint, the rear portion of exhaust passage casing is equipped with wallboard and transition intake duct casing in proper order, the exhaust passage casing passes through bolted connection with wallboard and transition intake duct casing, the even big gas pocket that is equipped with on the wallboard, the even little gas pocket that is equipped with on the transition intake duct casing, the.
Further, the arc-shaped cover, the air passages, the large air holes and the small air holes are equal in number and communicated with each other.
Further, the air passage is arranged at the joint of the arc-shaped cover and the exhaust channel shell.
furthermore, the exhaust passage shell comprises a shell, an embedded plate, a flange and a back plate, wherein the front end of the shell is welded with the embedded plate, the rear end of the outer part of the shell is welded with the flange, and the lower part of the flange is welded with the back plate.
Furthermore, annular groove runners are arranged on the wall plate and the transition air inlet casing.
the utility model has the advantages that: the utility model adopts the mode that the exhaust passage shell is connected with the pipeline, the wall plate and the transition inlet passage shell threads, and each part has simple and easy structure and is convenient to install, maintain and disassemble, thereby ensuring the quick and efficient maintenance and more thorough dirt cleaning; in addition, the small air hole, the large air hole, the annular groove flow channel, the air channel, the flange pipe and the pipeline which are communicated jointly complete air inlet and exhaust, the air flow mainly circulates by the central pipeline, meanwhile, the distributed air channel can assist the pipeline to work, the resonance of the air flow is weakened or offset, finally, all parts connected in a threaded mode eliminate vibration, and the phenomenon that surging cannot occur is guaranteed. The utility model discloses simple structure, compactness, reasonable, manufacturing cost is extremely low, easily the product realizes.
Drawings
Fig. 1 is a schematic structural diagram of the present invention;
FIG. 2 is a schematic structural view of an exhaust passage housing according to the present invention;
Fig. 3 is a schematic structural view of the pipe of the present invention;
Fig. 4 is a schematic front view of the wall plate of the present invention;
Fig. 5 is a left side view of the wall plate of the present invention;
fig. 6 is a schematic front view of the transition air inlet casing according to the present invention;
Fig. 7 is a left side view structural schematic diagram of the transition air inlet casing of the present invention;
In the figure: 1 exhaust passage casing, 11 shells, 12 embedded plates, 13 flanges, 14 backplate, 2 air flues, 3 arc covers, 4 flange pipes, 5 pipelines, 51 end cover flanges, 52 joints, 6 wallboards, 61 big air holes, 7 transition air inlet passages casing, 71 small air holes, 8 annular groove runners.
Detailed Description
The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. The components of the embodiments of the present invention, generally described and illustrated in the figures herein, can be arranged and designed in a wide variety of different configurations. Thus, the following detailed description of the embodiments of the present invention, presented in the accompanying drawings, is not intended to limit the scope of the invention, as claimed, but is merely representative of selected embodiments of the invention. Based on the embodiment of the present invention, all other embodiments obtained by the person skilled in the art without creative work belong to the protection scope of the present invention.
As an example, referring to fig. 1 to 7, a centrifugal compressor cylinder is structurally characterized by comprising an exhaust passage housing 1, wherein the exhaust passage housing 1 may include a shell 11, an embedded plate 12, a flange 13 and a back plate 14, the front end of the shell 11 may be welded to the embedded plate 12, the outer rear end of the shell 11 may be welded to the flange 13, the lower portion of the flange 13 may be welded to the back plate 14, the exhaust passage housing 1 may have a cylindrical shape, the front end of the exhaust passage housing 1 may be uniformly provided with air passages 2, the circumference of the exhaust passage housing 1 may be provided with a plurality of arc covers 3, the arc covers 3 may be welded to the exhaust passage housing 1, and the air passages 2 may be disposed at the joints of the arc covers 3 and the exhaust passage housing 1; a flange pipe 4 can be arranged on the left side of the exhaust passage shell 1, the flange pipe 4 can be communicated with the air passage 2, the air passage 2 can be ensured to suck a small amount of air from one side of the outside, and the stability of air flow circulation in the air passage 2 is ensured; the center of the exhaust passage shell 1 can be provided with a pipeline 5, one end of the pipeline 5 can be provided with an end cover flange 51, the end cover flange 51 can be in threaded connection with the exhaust passage shell 1, the other end of the pipeline 5 can be provided with a joint 52, the pipeline 5 is a main passage for air flow circulation, and the air passage 2 is used for auxiliary air flow circulation from one side, so that the stability of air flow passing is enhanced; the rear portion of exhaust passage casing 1 can be equipped with wallboard 6 and transition intake duct casing 7 in proper order, exhaust passage casing 1 can pass through bolted connection with wallboard 6 and transition intake duct casing 7, can be even on the wallboard 6 be equipped with big gas pocket 61, can be even on the transition intake duct casing 7 be equipped with little gas pocket 71, the center of little gas pocket 71 can align with the center of big gas pocket 61 and distribute the setting, arc lid 3, air flue 2, the quantity of big gas pocket 61 and little gas pocket 71 equals and the intercommunication, all can be equipped with annular groove runner 8 on wallboard 6 and the transition intake duct casing 7.
in the specific embodiment of the utility model, the exhaust passage housing 1 is connected with the wall plate 6 and the transition air inlet passage housing 7 through bolts, and simultaneously the small air hole 71, the large air hole 61 and the air passage 2 are communicated, the outer part of the air passage 2 is spirally protected and discharged by the arc-shaped cover 3, and the arc-shaped cover 3 is welded with the exhaust passage housing 1; wherein, all be equipped with annular groove runner 8 on wallboard 6 and the transition intake duct casing 7, annular groove runner 8 can communicate evenly distributed's air flue 2 at wallboard 6's terminal surface or transition intake duct casing 7's terminal surface, make the even big gas pocket 61 of entering of air that gets into from gas pocket 71, discharge stable air current by air flue 2, the stability of the circulation of the supplementary air current of pipeline 5 has been guaranteed, flange pipe 4 can regard as the side to admit air simultaneously, the phenomenon of surge can not appear after having guaranteed the air current circulation takes place.
the utility model adopts the connection of the exhaust passage shell 1 with the pipeline 5, the wall plate 6 and the transition inlet passage shell 7 by screw thread, which not only ensures the simple structure and easy manufacture of each part, but also is convenient for installation or maintenance and disassembly, ensures the quick and efficient maintenance, and more thorough dirt cleaning; in addition, the small air hole 71, the large air hole 61, the annular groove flow channel 8, the air channel 2, the flange pipe 4 and the pipeline 5 which are communicated jointly complete air inlet and exhaust, the air flow mainly circulates the air flow by taking the central pipeline 5 as a main part, meanwhile, the distributed air channels 2 can assist the pipeline in working, resonance of the air flow is weakened or offset, finally, all parts connected in a threaded mode eliminate vibration, and the phenomenon of surging is avoided. The utility model discloses simple structure, compactness, reasonable, manufacturing cost is extremely low, easily the product realizes.
The above description is only for the specific embodiments of the present invention, but the protection scope of the present invention is not limited thereto, and any person skilled in the art can easily think of the changes or substitutions within the technical scope of the present invention, and all should be covered within the protection scope of the present invention. Therefore, the protection scope of the present invention should be dominated by the protection scope of the claims.
Claims (5)
1. A centrifugal compressor cylinder characterized by: including, the exhaust passage casing, exhaust passage casing appearance is cylindricly, the even air flue that is equipped with of exhaust passage casing front end, be equipped with the arc lid on the circumference of exhaust passage casing, the arc lid is a plurality of and welds with the exhaust passage casing, the left side of exhaust passage casing is equipped with the flange pipe, flange pipe and air flue intercommunication, the center department of exhaust passage casing is equipped with the pipeline, the one end of pipeline is equipped with the end cover flange, end cover flange and exhaust passage casing threaded connection, the other end of pipeline is equipped with the joint, the rear portion of exhaust passage casing is equipped with wallboard and transition intake duct casing in proper order, exhaust passage casing passes through bolted connection with wallboard and transition intake duct casing, the even big gas pocket that is equipped with on the wallboard, the even little gas pocket that is equipped with on the transition intake duct casing, the center of little gas pocket.
2. A centrifugal compressor cylinder according to claim 1, wherein: the arc-shaped cover, the air passages, the large air holes and the small air holes are equal in number and communicated with each other.
3. A centrifugal compressor cylinder according to claim 1, wherein: the air flue is arranged at the joint of the arc-shaped cover and the exhaust channel shell.
4. A centrifugal compressor cylinder according to claim 1, wherein: the exhaust passage shell comprises a shell, an embedded plate, a flange and a back plate, wherein the front end of the shell is welded with the embedded plate, the outer back end of the shell is welded with the flange, and the lower part of the flange is welded with the back plate.
5. A centrifugal compressor cylinder according to claim 1, wherein: annular groove runners are arranged on the wall plate and the transition air inlet casing.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920577780.4U CN209743242U (en) | 2019-04-25 | 2019-04-25 | Centrifugal compressor cylinder |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920577780.4U CN209743242U (en) | 2019-04-25 | 2019-04-25 | Centrifugal compressor cylinder |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN209743242U true CN209743242U (en) | 2019-12-06 |
Family
ID=68721925
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201920577780.4U Active CN209743242U (en) | 2019-04-25 | 2019-04-25 | Centrifugal compressor cylinder |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN209743242U (en) |
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2019
- 2019-04-25 CN CN201920577780.4U patent/CN209743242U/en active Active
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