CN215949593U - Steam seal temperature and pressure reducing device of steam turbine - Google Patents
Steam seal temperature and pressure reducing device of steam turbine Download PDFInfo
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- CN215949593U CN215949593U CN202122094538.1U CN202122094538U CN215949593U CN 215949593 U CN215949593 U CN 215949593U CN 202122094538 U CN202122094538 U CN 202122094538U CN 215949593 U CN215949593 U CN 215949593U
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Abstract
The utility model relates to the technical field of steam turbine steam seals, and discloses a steam turbine steam seal temperature and pressure reducing device which comprises a steam inlet pipe, a cooling pipe, a steam outlet pipe, a spring, a connecting block, a rotating pipe, a sleeve and a water inlet pipe, wherein the steam inlet pipe and the steam outlet pipe are respectively and fixedly connected to the left side and the upper end of the cooling pipe, a limiting groove is formed in the right side inside the cooling pipe, one end of the spring is fixedly connected to the bottom of the limiting groove, the connecting block is fixedly connected to the other end of the spring, one end of the rotating pipe is rotatably connected inside the connecting block, the sleeve is rotatably sleeved on the rotating pipe through a bearing, one end of the water inlet pipe is fixedly connected to the sleeve, the other end of the water inlet pipe extends to the outer side of the cooling pipe, a pressure relieving mechanism is rotatably sleeved on the left side of the rotating pipe, the rotating pipe penetrates through the pressure relieving mechanism and is fixedly connected with fan blades, and the wall of the rotating pipe is fixedly connected with the cooling mechanism. The utility model can realize uniform cooling of high-temperature and high-pressure steam and recycle redundant cooling liquid.
Description
Technical Field
The utility model relates to the technical field of steam turbine steam seals, in particular to a steam turbine steam seal temperature and pressure reducing device.
Background
The temperature and pressure reducer is a device for converting high-temperature high-pressure steam into low-temperature low-pressure steam, and is widely applied to the industrial production fields of new energy, chemical industry, electric power and the like due to the advantages of convenient parameter matching, flexible operation, compact structure, unattended operation and the like.
The existing steam seal temperature and pressure reducing device mostly sprays cooling liquid to high-temperature steam through a fixedly arranged spray head when reducing the temperature and the pressure of the high-temperature high-pressure steam, so that the cooling is not uniform due to the fact that the position of the spray head cannot be moved in the method, and the cooling effect is reduced.
SUMMERY OF THE UTILITY MODEL
The utility model aims to solve the problem of uneven cooling in the prior art, and provides a turbine gland seal temperature and pressure reducing device.
In order to achieve the purpose, the utility model adopts the following technical scheme:
the utility model provides a steam turbine vapor seal temperature and pressure reduction device, includes admission pipe, cooling tube, play steam pipe, spring, connecting block, commentaries on classics pipe, sleeve pipe and inlet tube, admission pipe and play steam pipe difference fixed connection are in the left side and the upper end of cooling tube, the inside right side of cooling tube has seted up the spacing groove, spring one end fixed connection is in spacing tank bottom portion, connecting block fixed connection is in the spring other end, commentaries on classics pipe one end is rotated and is connected inside the connecting block, the sleeve pipe rotates through the bearing and cup joints on the commentaries on classics pipe, inlet tube one end fixed connection is on the sleeve pipe, and the other end extends to the cooling tube outside, the commentaries on classics pipe left side is rotated and has been cup jointed pressure release mechanism, and changes the pipe and pass pressure release mechanism fixedly connected with flabellum, fixedly connected with cooling mechanism on the commentaries on classics pipe wall.
Preferably, the pressure relief mechanism comprises a mesh pipe and a sealing gasket, and the sealing gasket is fixedly connected to the upper end of the mesh pipe.
Preferably, cooling mechanism includes ring pipe, connecting pipe and first shower nozzle, connecting pipe one end fixed connection is on the pipe wall of runner, the fixed cover of ring pipe connects in the connecting pipe end, first shower nozzle fixed connection is in ring pipe lower extreme.
Preferably, the cooling mechanism comprises a second spray head and a spoiler, the bottom of the second spray head is fixedly connected to the rotating pipe, and the spoilers are symmetrically and fixedly connected to the rotating pipe and are positioned on the left side of the second spray head.
Preferably, the side wall of the sealing gasket is obliquely arranged.
Preferably, the lower end of the cooling pipe is fixedly connected with a water outlet pipe, the right side of the cooling pipe is fixedly connected with a collecting box, and the other end of the water outlet pipe extends into the collecting box.
Preferably, a plurality of drainage grooves are formed in the side wall of the inner portion of the cooling pipe.
Compared with the prior art, the utility model provides a turbine gland sealing temperature and pressure reduction device, which has the following beneficial effects:
1. this steam turbine vapor seal temperature and pressure reduction device, when the admission pipe carried out the pressure release to the cooling tube, high-pressure steam flowed and will drive the flabellum and the rotating pipe is rotatory, and it is rotatory to drive fixed connection's on its pipe wall connecting pipe and ring pipe through the rotating pipe is rotatory, and this moment will let in the annular pipe with the coolant liquid through inlet tube and sleeve pipe inside, cools down high-pressure high-temperature's steam through first shower nozzle afterwards.
2. This steam turbine vapor seal temperature and pressure reduction device that subtracts when the admission pipe carries out the pressure release to the cooling tube, high-pressure steam flows and will drive flabellum and the swivelling joint of pipe is rotatory, and then drives the second shower nozzle and the spoiler rotation of fixed connection on its pipe wall, realizes cooling high-pressure steam.
3. This steam turbine vapor seal temperature and pressure reduction device through a plurality of drainage grooves of seting up on the intraductal lateral wall of cooling, realizes that unnecessary coolant liquid will spout the pipe wall when cooling down steam on, carries out the drainage through the drainage groove afterwards, and then conveniently collects it.
The part not involved in the device is the same as the prior art or can be realized by the prior art, the utility model can realize uniform temperature reduction of high-temperature and high-pressure steam, and can recycle redundant cooling liquid.
Drawings
FIG. 1 is a schematic structural diagram of a turbine gland seal temperature and pressure reducing device according to the present invention;
FIG. 2 is a schematic structural diagram of the cooling mechanism in FIG. 1;
FIG. 3 is a schematic structural diagram of another embodiment of a turbine gland seal temperature and pressure reducing device according to the present invention;
FIG. 4 is an enlarged view of a portion A of FIG. 3;
fig. 5 is a schematic structural view of the pressure relief mechanism in fig. 3.
In the figure: the device comprises a steam inlet pipe 1, a cooling pipe 2, a steam outlet pipe 3, a spring 4, a connecting block 5, a rotating pipe 6, a sleeve 7, a water inlet pipe 8, fan blades 9, a mesh pipe 10, a sealing gasket 11, an annular pipe 12, a first spray head 13, a connecting pipe 14, a second spray head 15, a spoiler 16, a water outlet pipe 17 and a collecting box 18.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments.
In the description of the present invention, it is to be understood that the terms "upper", "lower", "front", "rear", "left", "right", "top", "bottom", "inner", "outer", and the like, indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, are merely for convenience in describing the present invention and simplifying the description, and do not indicate or imply that the device or element being referred to must have a particular orientation, be constructed and operated in a particular orientation, and thus, should not be construed as limiting the present invention.
Example 1
Referring to fig. 1-2, 4 and 5, a steam seal temperature and pressure reducing device for a steam turbine comprises a steam inlet pipe 1, a cooling pipe 2, a steam outlet pipe 3, a spring 4, a connecting block 5, a rotating pipe 6, a sleeve 7 and a water inlet pipe 8, wherein the steam inlet pipe 1 and the steam outlet pipe 3 are respectively and fixedly connected with the left side and the upper end of the cooling pipe 2, the right side inside the cooling pipe 2 is provided with a limiting groove, the lower end of the cooling pipe 2 is fixedly connected with a water outlet pipe 17, the right side of the cooling pipe 2 is fixedly connected with a collecting box 18, the inner side wall of the cooling pipe 2 is provided with a plurality of drainage grooves, the other end of the water outlet pipe 17 extends into the collecting box, one end of the spring 4 is fixedly connected with the bottom of the limiting groove, the connecting block 5 is fixedly connected with the other end of the spring 4, one end of the rotating pipe 6 is rotatably connected with the connecting block 5, the sleeve 7 is rotatably sleeved on the rotating pipe 6 through a bearing, one end of the water inlet pipe 8 is fixedly connected with the sleeve 7, the other end extends to the 2 outsides of cooling pipe, change 6 left sides of pipe and rotate and cup jointed pressure relief mechanism, pressure relief mechanism includes mesh pipe 10 and sealed pad 11, sealed pad 11 fixed connection is in mesh pipe 10's upper end, sealed pad 11 lateral wall sets up for the slope, and change 6 and pass pressure relief mechanism fixedly connected with flabellum 9, fixedly connected with cooling mechanism on the change 6 pipe walls, cooling mechanism includes annular pipe 12, connecting pipe 14 and first shower nozzle 13, 14 one end fixed connection of connecting pipe is on changing the pipe wall of 6, annular pipe 12 is fixed cup joints in connecting pipe 14 end, 13 fixed connection of first shower nozzle is in 12 lower extremes of annular pipe.
When the cooling device is used, when the steam pressure in the steam inlet pipe 1 is too high, the steam pressure pushes the pressure relief mechanism to move towards the inside of the cooling pipe 2, and further pushes the rotating pipe 6 to move, so that the spring 4 is compressed, the sealing gasket 11 is moved out of the steam inlet pipe 1, at the moment, high-pressure steam enters the inside of the cooling pipe 2 through the mesh pipe 10, at the moment, the high-pressure steam flows to drive the fan blades 9 and the rotating pipe 6 to rotate, the rotating pipe 6 rotates to drive the connecting pipe 14 and the annular pipe 12 which are fixedly connected with the pipe wall of the rotating pipe to rotate, at the moment, cooling liquid is introduced into the annular pipe 12 through the water inlet pipe 8 and the sleeve 7, then the high-pressure high-temperature steam is cooled through the first spray head 13, when the cooling liquid is sprayed into the inside of the cooling pipe 2 through the first spray head 13, redundant cooling liquid is sprayed onto the pipe wall through the plurality of drainage grooves formed in the inner side wall of the cooling pipe 2, then, drainage is carried out through the drainage grooves, and then the collection is convenient.
Example 2
Referring to fig. 3-5, a steam seal temperature and pressure reducing device for a steam turbine, comprising a steam inlet pipe 1, a cooling pipe 2, a steam outlet pipe 3, a spring 4, a connecting block 5, a rotating pipe 6, a sleeve 7 and a water inlet pipe 8, wherein the steam inlet pipe 1 and the steam outlet pipe 3 are respectively fixedly connected to the left side and the upper end of the cooling pipe 2, the right side inside the cooling pipe 2 is provided with a limiting groove, the lower end of the cooling pipe 2 is fixedly connected with a water outlet pipe 17, the right side of the cooling pipe 2 is fixedly connected with a collecting box 18, the inner side wall of the cooling pipe 2 is provided with a plurality of drainage grooves, the other end of the water outlet pipe 17 extends into the collecting box, one end of the spring 4 is fixedly connected to the bottom of the limiting groove, the connecting block 5 is fixedly connected to the other end of the spring 4, one end of the rotating pipe 6 is rotatably connected to the inside the connecting block 5, the sleeve 7 is rotatably sleeved on the rotating pipe 6 through a bearing, one end of the water inlet pipe 8 is fixedly connected to the sleeve 7, and the other end extends to the outer side of the cooling pipe 2, the pressure relief mechanism has been cup jointed in the rotation of 6 left sides of runner pipe, pressure relief mechanism includes mesh pipe 10 and sealed 11 of filling up, sealed 11 fixed connection in the upper end of mesh pipe 10 of filling up, sealed 11 lateral walls of filling up set up for the slope, and runner pipe 6 passes pressure relief mechanism fixedly connected with flabellum 9, fixedly connected with cooling mechanism on the 6 pipe walls of runner pipe, cooling mechanism includes second shower nozzle 15 and spoiler 16, 15 bottom fixed connection of second shower nozzle are on runner pipe 6, 16 symmetry fixed connection of spoiler are on runner pipe 6, and be located the 15 left sides of second shower nozzle.
When the steam cooling device is used, when the steam pressure in the steam inlet pipe 1 is too high, the steam pressure pushes the pressure relief mechanism to move towards the inside of the cooling pipe 2, the rotating pipe 6 is further pushed to move, the spring 4 is compressed, the sealing gasket 11 is moved out of the steam inlet pipe 1, at the moment, high-pressure steam enters the inside of the cooling pipe 2 through the mesh pipe 10, the fan blades 9 and the rotating pipe 6 are driven to rotate by the flowing of the high-pressure steam, the second spray head 15 and the spoiler 16 fixedly connected to the pipe wall of the rotating pipe are driven to rotate, the high-pressure steam is cooled, when the second spray head 15 sprays cooling liquid into the inside of the cooling pipe 2, redundant cooling liquid is sprayed onto the pipe wall of the cooling pipe 2 through the plurality of drainage grooves formed in the inner side wall of the cooling pipe 2, then drainage is carried out through the drainage grooves, and the collection of the cooling liquid is facilitated.
The above description is only for the preferred embodiment of the present invention, but the scope of the present invention is not limited thereto, and any person skilled in the art should be considered to be within the technical scope of the present invention, and equivalent alternatives or modifications according to the technical solution of the present invention and the inventive concept thereof should be covered by the scope of the present invention.
Claims (7)
1. The utility model provides a steam turbine vapor seal temperature and pressure reduction device that subtracts, includes steam inlet pipe (1), cooling tube (2), play steam pipe (3), spring (4), connecting block (5), change pipe (6), sleeve pipe (7) and inlet tube (8), its characterized in that, steam inlet pipe (1) and play steam pipe (3) fixed connection respectively in the left side and the upper end of cooling tube (2), spacing groove has been seted up on cooling tube (2) inside right side, spring (4) one end fixed connection is in spacing groove bottom portion, connecting block (5) fixed connection is in the spring (4) other end, change pipe (6) one end is rotated and is connected inside connecting block (5), sleeve pipe (7) rotate through the bearing and cup joint on change pipe (6), inlet tube (8) one end fixed connection is on sleeve pipe (7), and the other end extends to the cooling tube (2) outside, change pipe (6) left side is rotated and has been cup jointed pressure release mechanism, and the rotating pipe (6) penetrates through the pressure relief mechanism and is fixedly connected with fan blades (9), and the pipe wall of the rotating pipe (6) is fixedly connected with a cooling mechanism.
2. A turbine gland seal temperature and pressure reducing device according to claim 1, wherein said pressure relief mechanism comprises a mesh pipe (10) and a gasket (11), said gasket (11) being fixedly attached to the upper end of the mesh pipe (10).
3. The turbine gland seal temperature and pressure reducing device according to claim 1, wherein the temperature reducing mechanism comprises a ring pipe (12), a connecting pipe (14) and a first spray nozzle (13), one end of the connecting pipe (14) is fixedly connected to the pipe wall of the rotating pipe (6), the ring pipe (12) is fixedly sleeved at the tail end of the connecting pipe (14), and the first spray nozzle (13) is fixedly connected to the lower end of the ring pipe (12).
4. A turbine gland seal temperature and pressure reducing device according to claim 1, wherein the temperature reducing mechanism comprises a second nozzle (15) and a spoiler (16), the bottom of the second nozzle (15) is fixedly connected to the rotating pipe (6), and the spoiler (16) is symmetrically and fixedly connected to the rotating pipe (6) and is located at the left side of the second nozzle (15).
5. A turbine gland seal desuperheating and pressure reducing device according to claim 2 wherein said gasket (11) side wall is inclined.
6. The turbine gland seal temperature and pressure reducing device according to claim 1, characterized in that a water outlet pipe (17) is fixedly connected to the lower end of the cooling pipe (2), a collecting box (18) is fixedly connected to the right side of the cooling pipe (2), and the other end of the water outlet pipe (17) extends into the collecting box.
7. The turbine gland seal temperature and pressure reducing device according to claim 1, characterized in that a plurality of flow guiding grooves are formed on the inner side wall of the cooling pipe (2).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202122094538.1U CN215949593U (en) | 2021-09-01 | 2021-09-01 | Steam seal temperature and pressure reducing device of steam turbine |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202122094538.1U CN215949593U (en) | 2021-09-01 | 2021-09-01 | Steam seal temperature and pressure reducing device of steam turbine |
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| CN215949593U true CN215949593U (en) | 2022-03-04 |
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| CN202122094538.1U Active CN215949593U (en) | 2021-09-01 | 2021-09-01 | Steam seal temperature and pressure reducing device of steam turbine |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN116479602A (en) * | 2023-05-05 | 2023-07-25 | 苏州宏洋纺织染整有限公司 | Steam sealing energy-saving device of steaming box |
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2021
- 2021-09-01 CN CN202122094538.1U patent/CN215949593U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN116479602A (en) * | 2023-05-05 | 2023-07-25 | 苏州宏洋纺织染整有限公司 | Steam sealing energy-saving device of steaming box |
| CN116479602B (en) * | 2023-05-05 | 2023-12-15 | 苏州宏洋纺织染整有限公司 | Steam sealing energy-saving device of steaming box |
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