CN220415470U - Expansion generator set with transition connecting cylinder - Google Patents
Expansion generator set with transition connecting cylinder Download PDFInfo
- Publication number
- CN220415470U CN220415470U CN202321956308.4U CN202321956308U CN220415470U CN 220415470 U CN220415470 U CN 220415470U CN 202321956308 U CN202321956308 U CN 202321956308U CN 220415470 U CN220415470 U CN 220415470U
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- Prior art keywords
- expansion
- gearbox
- transition
- generating set
- expansion main
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- 230000007704 transition Effects 0.000 title claims abstract description 45
- 230000008878 coupling Effects 0.000 claims abstract description 17
- 238000010168 coupling process Methods 0.000 claims abstract description 17
- 238000005859 coupling reaction Methods 0.000 claims abstract description 17
- 230000005540 biological transmission Effects 0.000 claims description 4
- 235000017166 Bambusa arundinacea Nutrition 0.000 claims 1
- 235000017491 Bambusa tulda Nutrition 0.000 claims 1
- 241001330002 Bambuseae Species 0.000 claims 1
- 235000015334 Phyllostachys viridis Nutrition 0.000 claims 1
- 239000011425 bamboo Substances 0.000 claims 1
- 238000010248 power generation Methods 0.000 abstract description 5
- 230000009467 reduction Effects 0.000 description 8
- VNWKTOKETHGBQD-UHFFFAOYSA-N methane Chemical compound C VNWKTOKETHGBQD-UHFFFAOYSA-N 0.000 description 4
- MHAJPDPJQMAIIY-UHFFFAOYSA-N Hydrogen peroxide Chemical compound OO MHAJPDPJQMAIIY-UHFFFAOYSA-N 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 239000003345 natural gas Substances 0.000 description 2
- 229910052755 nonmetal Inorganic materials 0.000 description 2
- 238000005192 partition Methods 0.000 description 2
- 238000011084 recovery Methods 0.000 description 2
- 238000007789 sealing Methods 0.000 description 2
- 229910000975 Carbon steel Inorganic materials 0.000 description 1
- 229910001208 Crucible steel Inorganic materials 0.000 description 1
- 230000000712 assembly Effects 0.000 description 1
- 238000000429 assembly Methods 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 229910052799 carbon Inorganic materials 0.000 description 1
- 239000010962 carbon steel Substances 0.000 description 1
- 239000003054 catalyst Substances 0.000 description 1
- 238000010276 construction Methods 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 230000005611 electricity Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 230000006872 improvement Effects 0.000 description 1
- 230000010354 integration Effects 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 238000005457 optimization Methods 0.000 description 1
- 239000012466 permeate Substances 0.000 description 1
- 238000000746 purification Methods 0.000 description 1
- 239000002918 waste heat Substances 0.000 description 1
- 239000002023 wood Substances 0.000 description 1
Landscapes
- Connection Of Motors, Electrical Generators, Mechanical Devices, And The Like (AREA)
Abstract
The utility model relates to the field of expansion generators, and discloses an expansion generator set with a transition joint cylinder, which comprises an expansion main engine and a generator connected with a gearbox; a spacing area is reserved between the expansion main engine and the gearbox, and an output shaft of the expansion main engine is connected with an input shaft of the gearbox through a high-speed coupling arranged in the spacing area; a transition connecting cylinder is sleeved on the high-speed coupler, one end of the transition connecting cylinder is connected with the shell of the expansion main machine, and the other end of the transition connecting cylinder is connected with the shell of the gearbox; compared with the direct connection of the expansion main engine and the gearbox, the expansion power generation unit can effectively reduce the cold energy transferred from the expansion main engine to the gearbox and reduce the influence on the running stability of the gearbox; meanwhile, the transition connecting cylinder arranged between the expansion main machine and the gearbox can improve the safety of connection between the expansion main machine and the gearbox.
Description
Technical Field
The utility model relates to the field of expansion generators, in particular to an expansion generator set with a transition joint cylinder.
Background
Under the national double-carbon target, the energy recovery and power generation requirements are increasingly active. The turbine expansion generating set has the advantages of high power density, convenient integration, good thermal efficiency and the like, and is widely applied. For example, the catalyst is used for hydrogen peroxide tail gas, natural gas valve stations, natural gas purification plants, liquid-air pressure reduction, CAES, LAES and the like.
In many current scenes, the working medium for expansion power generation is in a low-temperature (less than or equal to-50 ℃); as is well known, the reduction gearbox body is made of carbon steel, cast steel and other materials, and is internally provided with gear meshing and supporting bearings, so that the reduction gearbox body cannot adapt to a low-temperature environment, for example, in a turbine expansion power generation system and an optimization method based on ORC waste heat recovery, disclosed in patent application CN114542226a, if a connection mode of directly connecting an expansion host with the reduction gearbox is adopted, the safety of the reduction gearbox body and an internal bearing is seriously affected due to the fact that the expansion host transmits cold energy to the reduction gearbox, the running stability of the reduction gearbox is further affected, and meanwhile, the problem of oil leakage exists.
Therefore, for low-temperature expansion power generation application, a new structure is needed to be developed to solve the problem of connection safety between an expansion host and a reduction gearbox.
Disclosure of Invention
The utility model aims to overcome the defects of the background technology and provides an expansion generator set with a transition joint cylinder.
The embodiment of the utility model is realized by the following technical scheme:
an expansion generator set with a transition joint cylinder comprises an expansion main engine and a generator connected with a gearbox;
a spacing area is reserved between the expansion main engine and the gearbox, and an output shaft of the expansion main engine is connected with an input shaft of the gearbox through a high-speed coupling arranged in the spacing area; the high-speed coupler is also sleeved with a transition connecting cylinder, one end of the transition connecting cylinder is connected with the shell of the expansion main machine, and the other end of the transition connecting cylinder is connected with the gearbox shell.
Further, one end of the high-speed coupling is connected with the output shaft of the impeller in the expansion main machine, and the other end of the high-speed coupling is connected with the input shaft of the gearbox.
Further, an opening is formed in the side face of the transition joint barrel, and a transparent plate is detachably mounted on the opening.
Further, an oil drain port is further formed in the side wall below the transition joint barrel and used for draining oil infiltrated by the expansion main engine and/or the gearbox.
Further, the transition joint cylinder is connected between the expansion main engine and the gearbox in a sealing way through a flange assembly.
Further, the openings are provided with two groups, and the two groups of openings are oppositely arranged on the side walls of the two sides of the transition joint cylinder.
Further, an output shaft of the gearbox is connected with the generator through a low-speed coupling.
Further, a nonmetallic baffle is further arranged between the transition joint cylinder and the expansion main machine and used for reducing cold energy transmission of the expansion main machine.
The technical scheme of the embodiment of the utility model has at least the following advantages and beneficial effects:
in the expansion generating set, the expansion main engine is connected with the gearbox through the high-speed coupling arranged in the interval area, so that compared with the direct connection of the expansion main engine and the gearbox, the cold energy transferred to the gearbox by the expansion main engine can be effectively reduced, and the influence on the running stability of the gearbox is reduced; meanwhile, a transition connecting cylinder sleeved on the high-speed coupler is further arranged between the expansion main engine and the gearbox, so that the safety of connection between the expansion main engine and the gearbox can be improved.
Drawings
FIG. 1 is a schematic diagram of an expansion power generating unit according to the present utility model;
icon: 10-expansion main machine, 100-air inlet channel, 101-air outlet channel, 20-gearbox, 30-generator, 40-interval region, 50-high-speed coupling, 60-transition joint cylinder, 600-oil drain port, 601-opening, 61-flange component and 70-low-speed coupling.
Detailed Description
For the purpose of making the objects, technical solutions and advantages of the embodiments of the present utility model more apparent, the technical solutions of the embodiments of the present utility model will be clearly and completely described below with reference to the accompanying drawings in the embodiments of the present utility model, and it is apparent that the described embodiments are some embodiments of the present utility model, but not all embodiments of the present utility model. The components of the embodiments of the present utility model generally described and illustrated in the figures herein may be arranged and designed in a wide variety of different configurations.
Referring to fig. 1, an expansion power generating unit with a transition piece 60 includes an expansion master 10, a gearbox 20, and a generator 30.
The expansion main machine 10 is provided with an air inlet channel 100 for radial air inlet and an air outlet channel 101 for axial air outlet, the expansion main machine 10 drives an impeller inside the expansion main machine to rotate through radial air inlet and axial air outlet, an output shaft of the impeller is connected with an input shaft of the gearbox 20 through a high-speed coupler 50, and after the gearbox 20 is shifted, an output shaft of the gearbox 20 is connected with the generator 30 through a low-speed coupler 70, so that the generator 30 is driven to generate electricity.
Referring to fig. 1, a space area 40 with a certain width is left between the expansion main machine 10 and the gearbox 20, so that direct contact between the expansion main machine 10 and the gearbox 20 can be avoided, and excessive cold in the expansion main machine 10 is transmitted into the gearbox 20; in this embodiment, the output shaft of the expansion main machine 10 is connected with the input shaft of the gearbox 20 through the high-speed coupling 50 disposed in the interval area 40, wherein the high-speed coupling 50 is further sleeved with the transition joint barrel 60, one end of the transition joint barrel 60 is connected with the housing of the expansion main machine 10 through the flange assembly 61, and the other end of the transition joint barrel is connected with the housing of the gearbox 20 through the flange assembly 61, and the contact surfaces in the two sets of flange assemblies 61 are sealed through the sealing gasket, so that the output shaft of the expansion main machine 10, the input shaft of the gearbox 20 and the high-speed coupling 50 are all sealed in the transition joint barrel 60, and the operation safety of the equipment is improved.
In some embodiments, a non-metal partition plate, such as a wood plate, a plastic plate, a rubber plate, etc., may be disposed between the transition cylinder 60 and the expansion engine 10, and the non-metal partition plate may be disposed on the transition cylinder 60 to reduce the transmission of cold energy from the air of the expansion engine 10.
In addition, referring to fig. 1, two sets of openings 601 are provided on the side surface of the transition cylinder 60, and a transparent plate is detachably mounted on each set of openings 601; wherein, two groups of openings 601 are oppositely arranged on the side walls of the two sides of the transition joint cylinder 60; when the high-speed coupling 50 needs to perform centering operation, the transparent plate on the opening 601 can be opened for operation; when the transparent plate is mounted on the opening 601, the transparent plate can be used as a viewing window to observe the operation condition of the high-speed coupling 50.
Furthermore, in some embodiments, an oil drain 600 is further provided on the lower sidewall of the transition barrel 60 to drain the oil that permeates into the expansion main unit 10 and/or the transmission 20, so as to avoid affecting the operation of the high-speed coupling 50, and the oil drain 600 may be connected to the oil.
In the above embodiment, the expansion host 10 includes, but is not limited to, a primary expansion host and a secondary expansion host; further, the expansion hosts 10 of two or more stages may be arranged in parallel in a multistage manner or in a serial-parallel combination manner.
Furthermore, the types of gearbox 20 include, but are not limited to, a primary gearbox or a secondary gearbox, and may also be a parallel shaft gearbox in construction, or a planetary gearbox or other mechanical device that achieves deceleration.
The above is only a preferred embodiment of the present utility model, and is not intended to limit the present utility model, but various modifications and variations can be made to the present utility model by those skilled in the art. Any modification, equivalent replacement, improvement, etc. made within the spirit and principle of the present utility model should be included in the protection scope of the present utility model.
Claims (8)
1. The utility model provides an expansion generating set of area transition section of thick bamboo, includes expansion host computer (10) and is connected with generator (30) of gearbox (20), its characterized in that:
a spacing area (40) is reserved between the expansion main engine (10) and the gearbox (20), and an output shaft of the expansion main engine (10) is connected with an input shaft of the gearbox (20) through a high-speed coupling (50) arranged in the spacing area (40); the high-speed coupler (50) is further sleeved with a transition connecting cylinder (60), one end of the transition connecting cylinder (60) is connected with the shell of the expansion main machine (10), and the other end of the transition connecting cylinder is connected with the shell of the gearbox (20).
2. The expansion power generating set with a transition piece according to claim 1, characterized in that one end of the high-speed coupling (50) is connected to the output shaft of an impeller in the expansion master (10) and the other end is connected to the input shaft of the gearbox (20).
3. The expansion power generating set with a transition piece according to claim 1 or 2, wherein an opening (601) is provided on a side surface of the transition piece (60), and a transparent plate is detachably mounted on the opening (601).
4. The expansion power generating set with the transition joint cylinder as claimed in claim 2, wherein an oil drain port (600) is further arranged on the lower side wall of the transition joint cylinder (60) for draining oil infiltrated by the expansion main engine (10) and/or the gearbox (20).
5. The expansion power generating set with transition piece according to claim 2, characterized in that the transition piece (60) is sealingly connected between the expansion master (10) and the gearbox (20) by means of a flange assembly (61).
6. The expansion power generating set with a transition piece according to claim 3, wherein two sets of openings (601) are provided, and two sets of openings (601) are oppositely provided on both side walls of the transition piece (60).
7. The expansion power generating set with transition piece according to claim 1, characterized in that the output shaft of the gearbox (20) is connected to the generator (30) via a low-speed coupling (70).
8. The expansion power generating set with transition joint cylinder as set forth in claim 1, wherein a nonmetallic separator is further disposed between the transition joint cylinder (60) and the expansion main machine (10) for reducing cold energy transmission of the expansion main machine (10).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202321956308.4U CN220415470U (en) | 2023-07-24 | 2023-07-24 | Expansion generator set with transition connecting cylinder |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202321956308.4U CN220415470U (en) | 2023-07-24 | 2023-07-24 | Expansion generator set with transition connecting cylinder |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN220415470U true CN220415470U (en) | 2024-01-30 |
Family
ID=89640865
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202321956308.4U Active CN220415470U (en) | 2023-07-24 | 2023-07-24 | Expansion generator set with transition connecting cylinder |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN220415470U (en) |
-
2023
- 2023-07-24 CN CN202321956308.4U patent/CN220415470U/en active Active
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