CN203570434U - Exhaust unit of gas turbine and connecting piece thereof - Google Patents
Exhaust unit of gas turbine and connecting piece thereof Download PDFInfo
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- CN203570434U CN203570434U CN201320674187.4U CN201320674187U CN203570434U CN 203570434 U CN203570434 U CN 203570434U CN 201320674187 U CN201320674187 U CN 201320674187U CN 203570434 U CN203570434 U CN 203570434U
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- draw
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Abstract
The utility model provides an exhaust unit of gas turbine and a connecting piece thereof. The connecting piece is connected between the exhaust port of the gas turbine and the gas inlet of a tail gas collecting device; the connecting piece comprises a front connection section and a rear connection section which are arranged separately; a first end of the front connection section is fixedly connected with the exhaust port of the gas turbine, and a clamping groove is formed at a second end of the front connection section; the peripheral wall of the first end of the rear connection section is embedded between the outer peripheral wall and inner peripheral wall of the clamping groove, and a second end of the rear connection section is fixedly connected to the gas inlet of the tail gas collecting device; moreover, the peripheral wall of a first end of the rear connection section is in clearance fit with both of the outer peripheral wall and inner peripheral wall of the clamping groove. The exhaust unit of the gas turbine comprises the connecting piece which is connected between the exhaust port of the gas turbine and the gas inlet of the tail gas collecting device. The connecting piece is capable of ensuring that tail gas between the exhaust port of the gas turbine and the gas inlet of the tail gas collecting device does not leak and also capable of guaranteeing that the operation of the gas turbine cannot be affected by external loads.
Description
Technical field
The utility model relates to gas turbine field, especially, relates to a kind of venting gas appliance and link thereof of gas turbine.
Background technique
The exhaust temperature very high (nearly 500 ℃) that gas turbine is discharged, this just has certain requirement to venting gas appliance.At present between the relief opening of gas turbine and the suction port of exhaust heat boiler, be connected the two kinds of modes that mainly contain; A kind of is that the relief opening of gas turbine and the suction port of exhaust heat boiler are directly connected by flange, but this mode is easily delivered to the external additional load of exhaust heat boiler and vibration on gas turbine, cause gas turbine vibration aggravation, affect the normal operation of gas turbine.Afterwards, between the exhaust flange of gas turbine and the inlet flange of exhaust heat boiler, adopt link to be connected, link comprises front linkage section and the rear linkage section that split arranges, front linkage section is connected with the exhaust flange of gas turbine by flange, rear linkage section is also connected with the inlet flange of exhaust heat boiler by flange, the front linkage section of link is inserted in rear linkage section, front linkage section and rear linkage section Spielpassung, so just can avoid external additional load and vibration to be delivered on gas turbine, but be easy to cause the tail gas of gas turbine to leak out from gap location, make tail gas pollution environment.
Model utility content
The utility model object is to provide a kind of venting gas appliance and link thereof of gas turbine, to solve, is difficult to guarantee that tail gas between the relief opening of gas turbine and the suction port of tail gas collecting device does not leak and external load does not affect the technical problem of gas turbine operation in prior art simultaneously.
For achieving the above object, according to an aspect of the present utility model, provide a kind of link, for being connected between the relief opening of gas turbine and the suction port of tail gas collecting device, link comprises front linkage section and the rear linkage section that split arranges; The first end of front linkage section is for being fixedly connected with the relief opening of gas turbine, the second end of front linkage section be provided with draw-in groove; The perisporium of the first end of rear linkage section embeds between the periphery wall and inner circle wall of draw-in groove, and the second end of rear linkage section is for being fixedly connected with the suction port of tail gas collecting device; The perisporium of the first end of rear linkage section and the periphery wall of draw-in groove and the equal Spielpassung of inner circle wall.
Further, the perisporium of front linkage section is cone tubular, and the area of the cross section of the first end of front linkage section is greater than the area in plane of structure cross section of the second end of front linkage section.
Further, the collar that front linkage section comprises front linkage section body and is sleeved on the periphery circle of front linkage section body, the round-formed draw-in groove of periphery of the collar and front linkage section body.
Further, the groove that draw-in groove is opened for the port of the second end of the past linkage section.
Further, the degree of depth of the first end of rear linkage section insertion draw-in groove is 50mm to 80mm.
Further, the gap between the perisporium of draw-in groove and the perisporium of rear linkage section is 5mm to 8mm.
Further, link also comprises the bearing of fixing rear linkage section.
Further, the first end of front linkage section and the relief opening of gas turbine are connected by flange; The second end of rear linkage section is connected by flange with the suction port of tail gas collecting device.
Further, the length of rear linkage section is greater than the length of front linkage section.
According on the other hand of the present utility model, a kind of venting gas appliance of gas turbine is also provided, comprise above-mentioned link, link is connected between the relief opening of gas turbine and the suction port of tail gas collecting device.
The utlity model has following beneficial effect:
According to link of the present utility model, this link is connected between the relief opening of gas turbine and the suction port of tail gas collecting device, by rear linkage section being embedded between the periphery wall and inner circle wall of draw-in groove of front linkage section, the tail gas of combustion turbine exhaustion mouth be difficult for from draw-in groove with the joint of linkage section leak; The then perisporium of the first end of linkage section and the periphery wall of draw-in groove and the equal Spielpassung of inner circle wall, after the perisporium of linkage section and the perisporium of draw-in groove do not contact, can prevent that external load or vibration are delivered on gas turbine, in order to avoid affect gas turbine work.
Except object described above, feature and advantage, the utility model also has other object, feature and advantage.Below with reference to accompanying drawings, the utility model is described in further detail.
Accompanying drawing explanation
The accompanying drawing that forms the application's a part is used to provide further understanding of the present utility model, and schematic description and description of the present utility model is used for explaining the utility model, does not form improper restriction of the present utility model.In the accompanying drawings:
Fig. 1 is the structural representation of venting gas appliance of the gas turbine of the utility model preferred embodiment; And
Fig. 2 is the enlarged diagram at the I place shown in Fig. 1.
1, link; 2, gas turbine; 3, tail gas collecting device; 10, front linkage section; 11, draw-in groove; 111, the collar; 20, rear linkage section; 30, bearing.
Embodiment
Below in conjunction with accompanying drawing, embodiment of the present utility model is elaborated, but the multitude of different ways that the utility model can be defined by the claims and cover is implemented.
Referring to Fig. 1, preferred embodiment of the present utility model provides a kind of link, and for being connected between the relief opening of gas turbine 2 and the suction port of tail gas collecting device 3, link 1 comprises front linkage section 10 and the rear linkage section 20 that split arranges; The first end of front linkage section 10 is for being fixedly connected with the relief opening of gas turbine 2, the second end of front linkage section 10 be provided with draw-in groove 11; The perisporium of the first end of rear linkage section 20 embeds between the periphery wall and inner circle wall of draw-in groove 11, and the second end of rear linkage section 20 is for being fixedly connected with the suction port of tail gas collecting device 3; The equal Spielpassung of the periphery wall of the perisporium of the first end of rear linkage section 20 and draw-in groove 11 and inner circle wall.According to link 1 of the present utility model, this link 1 is connected between the relief opening of gas turbine 2 and the suction port of tail gas collecting device 3, by rear linkage section 20 being embedded between the periphery wall and inner circle wall of draw-in groove 11 of front linkage section 10, the tail gas of gas turbine 2 relief openings be difficult for from draw-in groove 11 with the joint of linkage section 20 leak; The then periphery wall of the perisporium of the first end of linkage section 20 and draw-in groove 11 and the equal Spielpassung of inner circle wall, after, the perisporium of linkage section 20 does not contact with the perisporium of draw-in groove 11, can prevent that external load or vibration are delivered on gas turbine 2, in order to avoid affect gas turbine 2 work.
Particularly, refer to Fig. 1 and Fig. 2, the first end of front linkage section 10 is fixedly connected with the relief opening of gas turbine 2.In the present embodiment, the first end of front linkage section 10 is connected by flange with the relief opening of gas turbine 2, before, the first end of linkage section 10 is provided with flange plate, flange plate is provided with mounting hole, and the flange plate of front linkage section 10 is connected by bolt or screw with the exhaust flange of the relief opening of gas turbine 2.In other embodiments, the first end of front linkage section 10 can also be connected with the exhaust flange of the relief opening of gas turbine 2 by other the Placement such as welding, riveted joint.The second end of front linkage section 10 is provided with draw-in groove 11; In one embodiment, the collar 111 that front linkage section 10 comprises front linkage section 10 bodies and is sleeved on the periphery circle of front linkage section 10 bodies, the round-formed draw-in groove 11 of periphery of the collar 111 and front linkage section 10 bodies, the collar 111 can be welded on front linkage section 10 bodies, to facilitate manufacturing.In another embodiment, the groove that draw-in groove 11 can be opened for the port of the second end of the past linkage section 10.Preferably, the perisporium of front linkage section 10 is cone tubular, the area of the cross section of the first end of front linkage section 10 is greater than the area of cross section of the second end of front linkage section 10, so that the air-flow of front linkage section 10 can little by little be drawn close to center gradually under the guiding of front linkage section 10, reduce the phenomenon that causes gas leakage due to Diffusion of gas stream.
The sectional shape of the first end of rear linkage section 20 is identical with the sectional shape of draw-in groove 11, the draw-in groove 11 of linkage section 10 before the first end of rear linkage section 20 inserts.Usually, the degree of depth of the first end of rear linkage section 20 insertion draw-in groove 11 is 50mm to 80mm; Insertion depth is excessively dark, can make the length of front linkage section 10 long, may cause load and 2 work of influence of vibration gas turbine of front linkage section 10; Insertion depth is excessively shallow, likely occurs again the phenomenon of Leakage Gas.The perisporium of the perisporium of the first end of rear linkage section 20 and draw-in groove 11 is Spielpassung, to avoid load and the vibration of rear linkage section 20 and tail gas collecting device 3 to be delivered on front linkage section 10 and gas turbine 2, to avoid affecting gas turbine 2 work.Usually, the gap between the perisporium of draw-in groove 11 and the perisporium of rear linkage section 20 is 5mm to 8mm; Gap is too narrow, and the perisporium of rear linkage section 20 easily touches the perisporium of draw-in groove 11, thereby affects gas turbine 2 work; Gap is too wide, and tail gas easily leaks, easily befouling environment.The second end of rear linkage section 20 is fixedly connected with the suction port of tail gas collecting device 3.In the present embodiment, the second end of rear linkage section 20 is connected by flange with the suction port of tail gas collecting device 3, after, the second end of linkage section 20 is provided with flange plate, flange plate is provided with mounting hole, and the flange plate of rear linkage section 20 is connected by bolt or screw with the flange of the suction port of tail gas collecting device 3.In other mode of execution, the second end of rear linkage section 20 can also connect by other the Placement such as welding, riveted joint.
Preferably, the length of rear linkage section 20 is greater than the length of front linkage section 10, and the length of front linkage section 10 is short as far as possible, to avoid front linkage section 10 to affect the work of gas turbine 2.
Preferably, link 1 also comprises the bearing 30 of fixing rear linkage section 20, bearing 30 is supported on the below of fixing rear linkage section 20, with guarantee rear linkage section 20 first end can, because Action of Gravity Field is sagging, not cause occurring the perisporium of first end of rear linkage section 20 and the phenomenon that the perisporium of draw-in groove 11 contacts.
The venting gas appliance that a kind of gas turbine is also provided on the other hand of the present utility model, this venting gas appliance comprises above-mentioned link 1, link 1 is connected between the relief opening of gas turbine 2 and the suction port of tail gas collecting device 3.
As can be seen from the above description, the utility model the above embodiments have realized following technique effect:
According to link of the present utility model, this link 1 is connected between the relief opening of gas turbine 2 and the suction port of tail gas collecting device 3, the second end by the front linkage section 10 at link 1 arranges draw-in groove 11, rear linkage section 20 is inserted in draw-in groove 11, and the perisporium Spielpassung of the perisporium of the first end of rear linkage section 20 and draw-in groove 11, after, the perisporium of linkage section 20 does not contact with the perisporium of draw-in groove 11, can prevent that external load or vibration are delivered on gas turbine 2, affect gas turbine 2 work; Simultaneously, linkage section 20 is inserted in draw-in groove 11, and the tail gas of gas turbine 2 relief openings is difficult for leaking from draw-in groove 11.
The foregoing is only preferred embodiment of the present utility model, be not limited to the utility model, for a person skilled in the art, the utility model can have various modifications and variations.All within spirit of the present utility model and principle, any modification of doing, be equal to replacement, improvement etc., within all should being included in protection domain of the present utility model.
Claims (10)
1. a link, be used for being connected between the relief opening of gas turbine (2) and the suction port of tail gas collecting device (3), it is characterized in that, described link (1) comprises front linkage section (10) and the rear linkage section (20) that split arranges;
The first end of described front linkage section (10) is for being fixedly connected with the relief opening of described gas turbine (2), the second end of described front linkage section (10) be provided with draw-in groove (11);
The perisporium of the first end of described rear linkage section (20) embeds between the periphery wall and inner circle wall of described draw-in groove (11), and the second end of described rear linkage section (20) is for being fixedly connected with the suction port of described tail gas collecting device (3);
The periphery wall of the perisporium of the first end of described rear linkage section (20) and described draw-in groove (11) and the equal Spielpassung of inner circle wall.
2. link according to claim 1, is characterized in that,
The perisporium of described front linkage section (10) is cone tubular, and the area of the cross section of the first end of described front linkage section (10) is greater than the area in plane of structure cross section of the second end of described front linkage section (10).
3. link according to claim 1, is characterized in that,
The collar (111) that described front linkage section (10) comprises front linkage section (10) body and is sleeved on the periphery circle of described front linkage section (10) body, the round-formed described draw-in groove of periphery (11) of the described collar (111) and described front linkage section (10) body.
4. link according to claim 1, is characterized in that,
Described draw-in groove (11) is the groove that the port of the second end of linkage section (10) is opened from described.
5. link according to claim 1, is characterized in that,
The degree of depth that the first end of described rear linkage section (20) inserts described draw-in groove (11) is 50mm to 80mm.
6. link according to claim 1, is characterized in that,
Gap between the perisporium of the perisporium of described draw-in groove (11) and described rear linkage section (20) is 5mm to 8mm.
7. link according to claim 1, is characterized in that,
Described link (1) also comprises the bearing (30) of fixing described rear linkage section (20).
8. link according to claim 1, is characterized in that,
The first end of described front linkage section (10) is connected by flange with the relief opening of described gas turbine (2); The second end of described rear linkage section (20) is connected by flange with the suction port of described tail gas collecting device (3).
9. link according to claim 1, is characterized in that,
The length of described rear linkage section (20) is greater than the length of described front linkage section (10).
10. a venting gas appliance for gas turbine, is characterized in that,
Comprise the link (1) described in the claims 1 to 9 any one, described link (1) is connected between the relief opening of gas turbine (2) and the suction port of tail gas collecting device (3).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201320674187.4U CN203570434U (en) | 2013-10-29 | 2013-10-29 | Exhaust unit of gas turbine and connecting piece thereof |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201320674187.4U CN203570434U (en) | 2013-10-29 | 2013-10-29 | Exhaust unit of gas turbine and connecting piece thereof |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203570434U true CN203570434U (en) | 2014-04-30 |
Family
ID=50538168
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201320674187.4U Expired - Fee Related CN203570434U (en) | 2013-10-29 | 2013-10-29 | Exhaust unit of gas turbine and connecting piece thereof |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN203570434U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104389666A (en) * | 2014-11-25 | 2015-03-04 | 镇江利奥排气技术有限公司 | Quadrangular exhausting pipe convenient to mount |
| CN105736143A (en) * | 2016-04-07 | 2016-07-06 | 北京黎明航发动力科技有限公司 | 10MW-level gas turbine engine stand-by power source suitable for confined space and installation method thereof |
-
2013
- 2013-10-29 CN CN201320674187.4U patent/CN203570434U/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104389666A (en) * | 2014-11-25 | 2015-03-04 | 镇江利奥排气技术有限公司 | Quadrangular exhausting pipe convenient to mount |
| CN105736143A (en) * | 2016-04-07 | 2016-07-06 | 北京黎明航发动力科技有限公司 | 10MW-level gas turbine engine stand-by power source suitable for confined space and installation method thereof |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20140430 Termination date: 20171029 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |