CN200955408Y - Regulation device of nozzle of turbine expander - Google Patents
Regulation device of nozzle of turbine expander Download PDFInfo
- Publication number
- CN200955408Y CN200955408Y CN 200620073333 CN200620073333U CN200955408Y CN 200955408 Y CN200955408 Y CN 200955408Y CN 200620073333 CN200620073333 CN 200620073333 CN 200620073333 U CN200620073333 U CN 200620073333U CN 200955408 Y CN200955408 Y CN 200955408Y
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- Prior art keywords
- turbo
- rolling disc
- nozzle
- expander
- draw
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- Expired - Lifetime
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- Turbine Rotor Nozzle Sealing (AREA)
- Structures Of Non-Positive Displacement Pumps (AREA)
Abstract
The utility model discloses a nozzle governing device of turbo-expander, which comprises a plurality of nozzle plates arranged evenly along the circumference direction. The nozzle plates are arranged between a rotating tray and a fixed tray, wherein, the rotating tray is connected rotatablely on back end of a turbine shell, and the fixed tray is fixedly connected on front end of a midbody. Outer ends of the nozzle plates are connected by pin with the rotating tray, and inner ends of the nozzle plates are connected by pin with the fixed tray. The utility model makes the turbo-expander concern well both conditions of package space division and normal running, which adapts to more extensive working conditions, and has better suitability. Moreover, the utility model not only may adjust the expander according to demand of customers, but also is with steady efficiency and is more energy saving.
Description
Technical field
The utility model relates to a kind of nozzle control governor gear of turbo-expander.
Background technique
Turbo-expander is that air separation equipment and rock gas (petroleum gas) liquefaction separation equipment and low temperature breaking equipment etc. obtain the necessary crucial portion of cold machine, is the heart heart that guarantees complete equipment stable operation.Its cardinal principle is to utilize the gas that certain pressure is arranged to carry out adiabatic expansion externally acting and the interior energy of spent gas itself in turbo-expander, thereby gas self is cooled off consumingly and reaches the purpose of refrigeration.The energy of turbo-expander output is reclaimed or braking blower consumption by coaxial compressor.
Present turbo-expander comprises an intermediate, the left end of intermediate is installed the turbine volute, right-hand member is equipped with fan scroll, be axially installed with turbine shaft by bearing in the intermediate, left end along wheel shaft is fixed with active wheel, right-hand member is fixed with interior wheel, between turbine volute and the intermediate nozzle is installed, nozzle is formed by the some blades that are distributed on the circumference, vanes fixed is between front and rear cover plate, during work, dried compressed air enters through nozzle from the work volute, impeller blade pushes the work forward, and make active wheel, the turbine shaft high speed rotating, pressurized air adiabatic expansion under the no extraneous thermal source condition in turbine engine, the pressurized air external work done of expanding this moment, have to can keep in the consumed cabin air, therefore, humidity of the air after the turbo-expander adiabatic expansion can sharply descend, and draw from turbine volute outlet end, be sent to the occasion that needs low-temperature receiver, when turbo-expander was worked, the impeller of blower of turbine shaft right-hand member is the while high speed rotating also, fan scroll can suck blower fan with air, discharge again after blower fan pressurization, the effect of blower fan is to control the rotating speed of turbo-expander to suck atm number, guarantees that turbo-expander works under steady state.
Along with the market demands that small-sized medium pressure process air separation plant upgrades, novel energy-saving low pressure process oxygenerator (80Nm
3/ h) can be used as the oxygenerator (50Nm of medium pressure process
3/ h) update product, low pressure process oxygenerator (80Nm
3/ h) tolerance of needs 80% expand into 0.03Mpa through decompressor from 0.1MPa when normal operation, in start-up course in order to shorten starting time, need the inlet pressure of decompressor is risen to 0.4Mpa, like this, excessive when starting relatively by the decompressor flow passage component area of normal operating conditions design, can't take into account normal operation and start-up course.
Summary of the invention
The purpose of this utility model is: the nozzle control governor gear that a kind of turbo-expander is provided, make turbo-expander can take into account a whole set of empty startup that divides and two kinds of situations of normal operation, adaptation condition is wider, adaptability is stronger, can regulate decompressor according to the requirement of user's gas consumption, and efficient do not descend, more energy-conservation.
The technical solution of the utility model is: a kind of nozzle control governor gear of turbo-expander, comprise several along the circumferential direction uniform nozzle vanes, described nozzle vane is between rolling disc and fixed tray, turn disc is connected the rear end of turbine volute, fixed tray is fixedly connected on the front end of intermediate, the outer end of nozzle vane and rolling disc pin joint, the inner of nozzle vane and fixed tray pin joint, the circumference of turbine volute is provided with the adjusting mouth with cover plate for sealing, be inserted with pull bar on the cover plate, pin joint is connected with connecting rod between pull bar and the rolling disc.
The further technological scheme of the utility model is: a kind of nozzle control governor gear of turbo-expander, comprise several along the circumferential direction uniform nozzle vanes, described nozzle vane is between rolling disc and fixed tray, turn disc is connected the rear end of turbine volute, fixed tray is fixedly connected on the front end of intermediate, the outer end of nozzle vane and rolling disc pin joint, the inner of nozzle vane and fixed tray pin joint, the circumference of turbine volute is provided with the adjusting mouth with cover plate for sealing, be inserted with pull bar on the cover plate, pin joint is connected with connecting rod between pull bar and the rolling disc; Described connecting rod is by the outer rim pin joint of bearing pin and rolling disc; The front-end face of described fixed tray is provided with tapped hole, rolling disc is provided with the oval hole corresponding to tapped hole, and oval is inserted with bolt in the hole, and the thread section and the tapped hole of bolt are spirally connected, and also be bolted with fastening screw nut on the thread section, be provided with belleville spring between the bolt head of bolt and the rolling disc; The rear inner wall of described turbine volute is provided with interior step, and the front-end face of rolling disc is provided with outer step, and outer step is enclosed within on the interior step, and is provided with O-ring seals between the sidewall of outer step and interior step.
The more detailed technological scheme of the utility model is: a kind of nozzle control governor gear of turbo-expander, comprise several along the circumferential direction uniform nozzle vanes, described nozzle vane is between rolling disc and fixed tray, turn disc is connected the rear end of turbine volute, fixed tray is fixedly connected on the front end of intermediate, the outer end of nozzle vane and rolling disc pin joint, the inner of nozzle vane and fixed tray pin joint, the circumference of turbine volute is provided with the adjusting mouth with cover plate for sealing, be inserted with pull bar on the cover plate, pin joint is connected with connecting rod between pull bar and the rolling disc; Described connecting rod is by the outer rim pin joint of bearing pin and rolling disc; The front-end face of described fixed tray is provided with tapped hole, rolling disc is provided with the oval hole corresponding to tapped hole, and oval is inserted with bolt in the hole, and the thread section and the tapped hole of bolt are spirally connected, and also be bolted with fastening screw nut on the thread section, be provided with belleville spring between the bolt head of bolt and the rolling disc; The rear inner wall of described turbine volute is provided with interior step, and the front-end face of rolling disc is provided with outer step, and outer step is enclosed within on the interior step, and is provided with O-ring seals between the sidewall of outer step and interior step; The described top of regulating mouth is provided with mounting plate, is fixed with draw-bar seat on the mounting plate, is connected with sealed pipe between draw-bar seat and the cover plate, and pull bar is positioned in the middle of draw-bar seat and the sealed pipe, and is provided with the sealing bedding and padding between pull bar and the draw-bar seat; On the described draw-bar seat supporting frame is installed, two struts and two connecting plates up and down vertically were bolted with screw mandrel about supporting frame comprised on the upper junction plate, and the upper end of screw mandrel is combined with handwheel, and the lower end of screw mandrel is connected with the upper end of pull bar; Laterally be bolted with push rod on the described right strut, push rod laterally holds out against the middle part at screw mandrel.
The utility model has the advantages that:
1. because pin joint is distinguished on fixed tray and rolling disc in the inner of nozzle vane of the present utility model and outer end, and rolling disc can be rotated by pull bar and connecting rod pulling, just can regulate nozzle vane during turn disc, make the user regulate turbo-expander according to gas consumption.
2. the utility model makes turbo-expander can take into account a whole set of empty startup that divides and two kinds of situations of normal operation, and adaptation condition is wider, adaptability is stronger, can regulate decompressor according to the requirement of user's gas consumption, and efficient do not descend, more energy-conservation.
Description of drawings
The utility model will be further described below in conjunction with drawings and Examples:
Fig. 1 is a structural representation of the present utility model;
Fig. 2 is the partial enlarged drawing of Fig. 1;
Fig. 3 is the A-A sectional view of Fig. 2.
Wherein: 1 nozzle vane; 2 turbine volutes; 3 rolling discs; 4 intermediates; 5 fixed trays; 6 cover plates; 7 regulate mouth; 8 pull bars; 9 connecting rods; 10 mounting plates; 11 draw-bar seats; 12 sealed pipes; 13 sealing bedding and padding; 14 supporting frames; 15 left struts; 16 right struts; 17 upper junction plates; 18 lower connecting plates; 19 screw mandrels; 20 handwheels; 21 push rods; 22 tapped holes; 23 oval holes; 24 bolts; 25 fastening screw nuts; 26 belleville springs; Step in 27; 28 outer steps; 29O shape seal ring; 30 bearing pins.
Embodiment
Embodiment: as Fig. 1, Fig. 2, shown in Figure 3, a kind of nozzle control governor gear of turbo-expander, comprise several along the circumferential direction uniform nozzle vanes 1, described nozzle vane 1 is between rolling disc 3 and fixed tray 5, rolling disc 3 is rotatably connected on the rear end of turbine volute 2, fixed tray 5 is fixedly connected on the front end of intermediate 4, the rear inner wall of turbine volute 2 is provided with interior step 27, the front-end face of rolling disc 3 is provided with outer step 28, outer step 28 is enclosed within on the interior step 27, and be provided with O-ring seals 29 between the sidewall of outer step 28 and interior step 27, the front-end face of fixed tray 5 is provided with tapped hole 22, rolling disc 3 is provided with the oval hole 23 corresponding to tapped hole 22, be inserted with bolt 24 in the oval hole 23, the thread section of bolt 24 and tapped hole 22 are spirally connected, and also are bolted with fastening screw nut 25 on the thread section, are provided with belleville spring 26 between the bolt head of bolt 24 and the rolling disc 3.
The outer end of nozzle vane 1 and rolling disc 3 pin joints, the inner of nozzle vane 1 and fixed tray 5 pin joints, the circumference of turbine volute 2 is provided with the adjusting mouth 7 with cover plate 6 sealings, be inserted with pull bar 8 on the cover plate 6, pin joint is connected with connecting rod 9 between pull bar 8 and the rolling disc 3, and connecting rod 9 is by the outer rim pin joint of bearing pin 30 with rolling disc 3;
The top of regulating mouth 7 is provided with mounting plate 10, be fixed with draw-bar seat 11 on the mounting plate 10, be connected with sealed pipe 12 between draw-bar seat 11 and the cover plate 6, pull bar 8 is positioned in the middle of draw-bar seat 11 and the sealed pipe 12, and be provided with sealing bedding and padding 13 between pull bar 8 and the draw-bar seat 11, supporting frame 14 is installed on the draw-bar seat 11, two struts 15 about supporting frame 14 comprises, 16 and up and down two connecting plates 17,18, vertically be bolted with screw mandrel 19 on the upper junction plate 17, the upper end of screw mandrel 19 is combined with handwheel 20, the lower end of screw mandrel 19 is connected with the upper end of pull bar 8, laterally is bolted with push rod 21 on the right strut 16, and push rod 21 laterally holds out against the middle part at screw mandrel 19.
Because the inner of nozzle vane 1 of the present utility model and outer end difference pin joint are on fixed tray 5 and rolling disc 3, and rolling disc 3 can be rotated by pull bar 8 and connecting rod 9 pullings, just can regulate nozzle vane 1 when rolling disc 3 rotates, make the user regulate turbo-expander according to gas consumption; The utility model makes turbo-expander can take into account a whole set of empty startup that divides and two kinds of situations of normal operation, and adaptation condition is wider, adaptability is stronger, can regulate decompressor according to the requirement of user's gas consumption, and efficient do not descend, more energy-conservation.
Claims (7)
1. the nozzle control governor gear of a turbo-expander, comprise along the circumferential direction uniform several nozzle vanes (1), it is characterized in that: described nozzle vane (1) is positioned between rolling disc (3) and the fixed tray (5), rolling disc (3) is rotatably connected on the rear end of turbine volute (2), fixed tray (5) is fixedly connected on the front end of intermediate (4), the outer end of nozzle vane (1) and rolling disc (3) pin joint, the inner of nozzle vane (1) and fixed tray (5) pin joint, the circumference of turbine volute (2) is provided with the adjusting mouth (7) with cover plate (6) sealing, be inserted with pull bar (8) on the cover plate (6), pin joint is connected with connecting rod (9) between pull bar (8) and the rolling disc (3).
2. the nozzle control governor gear of turbo-expander according to claim 1, it is characterized in that: the front-end face of described fixed tray (5) is provided with tapped hole (22), rolling disc (3) is provided with the oval hole (23) corresponding to tapped hole (22), be inserted with bolt (24) in the oval hole (23), the thread section of bolt (24) and tapped hole (22) are spirally connected, and also be bolted with fastening screw nut (25) on the thread section, be provided with belleville spring (26) between the bolt head of bolt (24) and the rolling disc (3).
3. the nozzle control governor gear of turbo-expander according to claim 1, it is characterized in that: the rear inner wall of described turbine volute (2) is provided with interior step (27), the front-end face of rolling disc (3) is provided with outer step (28), outer step (28) is enclosed within on the interior step (27), and is provided with O-ring seals (29) between the sidewall of outer step (28) and interior step (27).
4. the nozzle control governor gear of turbo-expander according to claim 1 is characterized in that: described connecting rod (9) is by the outer rim pin joint of bearing pin (30) with rolling disc (3).
5. the nozzle control governor gear of turbo-expander according to claim 1, it is characterized in that: the described top of regulating mouthful (7) is provided with mounting plate (10), be fixed with draw-bar seat (11) on the mounting plate (10), be connected with sealed pipe (12) between draw-bar seat (11) and the cover plate (6), pull bar (8) is positioned in the middle of draw-bar seat (11) and the sealed pipe (12), and is provided with sealing bedding and padding (13) between pull bar (8) and the draw-bar seat (11).
6. the nozzle control governor gear of turbo-expander according to claim 5, it is characterized in that: supporting frame (14) is installed on the described draw-bar seat (11), two struts (15,16) and two connecting plates (17,18) up and down about supporting frame (14) comprises, vertically be bolted with screw mandrel (19) on the upper junction plate (17), the upper end of screw mandrel (19) is combined with handwheel (20), and the lower end of screw mandrel (19) is connected with the upper end of pull bar (8).
7. the nozzle control governor gear of turbo-expander according to claim 6, it is characterized in that: laterally be bolted with push rod (21) on the described right strut (16), push rod (21) laterally holds out against the middle part in screw mandrel (19).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 200620073333 CN200955408Y (en) | 2006-05-30 | 2006-05-30 | Regulation device of nozzle of turbine expander |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 200620073333 CN200955408Y (en) | 2006-05-30 | 2006-05-30 | Regulation device of nozzle of turbine expander |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN200955408Y true CN200955408Y (en) | 2007-10-03 |
Family
ID=38773993
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 200620073333 Expired - Lifetime CN200955408Y (en) | 2006-05-30 | 2006-05-30 | Regulation device of nozzle of turbine expander |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN200955408Y (en) |
Cited By (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102767403A (en) * | 2012-07-04 | 2012-11-07 | 联优机械(常熟)有限公司 | Transmission-shaft supporting mechanism of power-outputting device for turboexpander |
| CN102817643A (en) * | 2012-08-23 | 2012-12-12 | 四川空分设备(集团)有限责任公司 | System for adjusting and controlling rotation speed of power generation turbine expander through nozzle |
| WO2013097171A1 (en) * | 2011-12-30 | 2013-07-04 | 西安交通大学 | Low temperature hydraulic turbine |
| CN103982243A (en) * | 2014-04-04 | 2014-08-13 | 苏州制氧机有限责任公司 | Spray nozzle structure of turbo expander |
| CN104895623A (en) * | 2015-04-16 | 2015-09-09 | 西安交通大学 | Low temperature liquid expander nozzle |
| CN107701241A (en) * | 2017-11-09 | 2018-02-16 | 联优机械(常熟)有限公司 | The spray nozzle flow regulator of turbo-expander |
| CN109322709A (en) * | 2018-09-13 | 2019-02-12 | 合肥通用机械研究院有限公司 | A kind of adjustable nozzle blade mechanism of turbo-expander |
| RU2710449C1 (en) * | 2018-12-27 | 2019-12-26 | Федеральное государственное бюджетное образовательное учреждение высшего образования "Московский авиационный институт (национальный исследовательский университет)" | Universal turbo-expander generator set |
-
2006
- 2006-05-30 CN CN 200620073333 patent/CN200955408Y/en not_active Expired - Lifetime
Cited By (12)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2013097171A1 (en) * | 2011-12-30 | 2013-07-04 | 西安交通大学 | Low temperature hydraulic turbine |
| US20140341716A1 (en) * | 2011-12-30 | 2014-11-20 | Xi'an Jiaotong University | Cryogenic liquid turbine |
| US9534576B2 (en) * | 2011-12-30 | 2017-01-03 | Xi'an Jiaotong University | Cryogenic liquid turbine |
| CN102767403A (en) * | 2012-07-04 | 2012-11-07 | 联优机械(常熟)有限公司 | Transmission-shaft supporting mechanism of power-outputting device for turboexpander |
| CN102817643A (en) * | 2012-08-23 | 2012-12-12 | 四川空分设备(集团)有限责任公司 | System for adjusting and controlling rotation speed of power generation turbine expander through nozzle |
| CN103982243A (en) * | 2014-04-04 | 2014-08-13 | 苏州制氧机有限责任公司 | Spray nozzle structure of turbo expander |
| CN104895623A (en) * | 2015-04-16 | 2015-09-09 | 西安交通大学 | Low temperature liquid expander nozzle |
| CN107701241A (en) * | 2017-11-09 | 2018-02-16 | 联优机械(常熟)有限公司 | The spray nozzle flow regulator of turbo-expander |
| CN107701241B (en) * | 2017-11-09 | 2023-08-22 | 联优机械(常熟)有限公司 | Nozzle flow regulator for turbine expander |
| CN109322709A (en) * | 2018-09-13 | 2019-02-12 | 合肥通用机械研究院有限公司 | A kind of adjustable nozzle blade mechanism of turbo-expander |
| CN109322709B (en) * | 2018-09-13 | 2021-11-12 | 合肥通用机械研究院有限公司 | Adjustable nozzle blade mechanism of turboexpander |
| RU2710449C1 (en) * | 2018-12-27 | 2019-12-26 | Федеральное государственное бюджетное образовательное учреждение высшего образования "Московский авиационный институт (национальный исследовательский университет)" | Universal turbo-expander generator set |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C56 | Change in the name or address of the patentee | ||
| CP01 | Change in the name or title of a patent holder |
Address after: Mudu Wuzhong District Jin Feng Road 215101 Suzhou city in Jiangsu Province Patentee after: SUZHOU OXYGEN PLANT CO., LTD. Address before: Mudu Wuzhong District Jin Feng Road 215101 Suzhou city in Jiangsu Province Patentee before: Suzhou Oxygen Plant Co., Ltd. |
|
| CX01 | Expiry of patent term |
Granted publication date: 20071003 |
|
| EXPY | Termination of patent right or utility model |