CN109519230A - A kind of expansion power generator turns to fine-tune system and method - Google Patents
A kind of expansion power generator turns to fine-tune system and method Download PDFInfo
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- CN109519230A CN109519230A CN201910012382.2A CN201910012382A CN109519230A CN 109519230 A CN109519230 A CN 109519230A CN 201910012382 A CN201910012382 A CN 201910012382A CN 109519230 A CN109519230 A CN 109519230A
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- power generator
- expansion power
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- 238000000034 method Methods 0.000 title claims abstract description 22
- 230000001105 regulatory effect Effects 0.000 claims abstract description 64
- 230000005540 biological transmission Effects 0.000 claims abstract description 4
- 230000004941 influx Effects 0.000 claims abstract description 3
- 239000003381 stabilizer Substances 0.000 claims description 7
- 239000002184 metal Substances 0.000 claims description 3
- 230000001276 controlling effect Effects 0.000 abstract description 5
- 230000005611 electricity Effects 0.000 description 4
- 238000010248 power generation Methods 0.000 description 4
- 230000006835 compression Effects 0.000 description 3
- 238000007906 compression Methods 0.000 description 3
- 238000004891 communication Methods 0.000 description 2
- 238000010586 diagram Methods 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 238000004146 energy storage Methods 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000033228 biological regulation Effects 0.000 description 1
- 230000007423 decrease Effects 0.000 description 1
- 239000000203 mixture Substances 0.000 description 1
- 239000007921 spray Substances 0.000 description 1
- 230000003068 static effect Effects 0.000 description 1
Classifications
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F01—MACHINES OR ENGINES IN GENERAL; ENGINE PLANTS IN GENERAL; STEAM ENGINES
- F01D—NON-POSITIVE DISPLACEMENT MACHINES OR ENGINES, e.g. STEAM TURBINES
- F01D17/00—Regulating or controlling by varying flow
- F01D17/10—Final actuators
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F01—MACHINES OR ENGINES IN GENERAL; ENGINE PLANTS IN GENERAL; STEAM ENGINES
- F01D—NON-POSITIVE DISPLACEMENT MACHINES OR ENGINES, e.g. STEAM TURBINES
- F01D15/00—Adaptations of machines or engines for special use; Combinations of engines with devices driven thereby
- F01D15/10—Adaptations for driving, or combinations with, electric generators
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F01—MACHINES OR ENGINES IN GENERAL; ENGINE PLANTS IN GENERAL; STEAM ENGINES
- F01D—NON-POSITIVE DISPLACEMENT MACHINES OR ENGINES, e.g. STEAM TURBINES
- F01D19/00—Starting of machines or engines; Regulating, controlling, or safety means in connection therewith
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- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Connection Of Motors, Electrical Generators, Mechanical Devices, And The Like (AREA)
- Control Of Turbines (AREA)
Abstract
Turn to fine-tune system and method the invention discloses a kind of expansion power generator, including high pressure tank, the electronic throttle of air inlet, regulating valve one, regulating valve two, regulating valve three, charge jet device, expanding machine and generator, the electronic throttle of air inlet is mounted on the outlet conduit of high pressure tank；Outlet conduit after the electronic throttle of air inlet is divided into branch one and branch two, regulating valve one is installed on one pipeline of branch, successively being installed in series on two pipeline of branch has regulating valve two, charge jet device, regulating valve three, it is connected to expanding machine after one pipeline of branch and two pipe influx of branch, generator is connected with expanding machine by transmission shaft.The compressed air entered in expansion power generator is transformed to low-pressure big flow by the small flow of high pressure by the present invention, realizes the precise controlling of revolving speed in expansion power generator start-up course, prevents hypervelocity accident, improves set grid-connection speed.
Description
Technical field
Turn to fine-tune equipment technical field the invention belongs to expansion power generator, and in particular to a kind of expansion power generator turn essence
Thin tuning system and method.
Background technique
Compressed-air energy storage is to start compressed-air energy storage process, consumption electrical energy drive compression in power grid electric surplus
Machine operation, air enter compressed air reservoir after multi-stage compression；When power grid electric is in short supply, start expanding machine power generation process:
Pressure-air in air accumulator enters expanding machine and carries out multiple expansion, driving expanding machine rotation, driven generator power generation.
Expansion power generator starting power generation is divided into two processes, is starting red switch process first, expansion power generator is from static shape
After state reaches rated speed, into on-load power generation process.The continuous consumption of compressed air during two, therefore air accumulator pressure
Power is one and gradually decreases process, and reservoir pressure is maximum, the starting of expansion power generator red switch at this time, because of air inlet adjustment before starting
Valve opening is too small, and expansion power generator revolving speed is not easy to control, and the fluctuation of speed is big, and frequency control is difficult when grid-connected, and when rated speed is easy
Unit hypervelocity accident etc. is caused, and the flow restriction control under high pressure be easy to cause unit efficiency to reduce.Therefore a kind of skill is needed
Art realizes revolving speed precise controlling when expansion power generator starting, and takes into account the economy of unit.
Summary of the invention
Turn to fine-tune system and method technical problem solved by the present invention is providing a kind of expansion power generator, to solve
Above-mentioned the technical problems existing in the prior art.
The technical scheme adopted by the invention is as follows: a kind of expansion power generator turns to fine-tune system, including high pressure tank, into
It is electronic that pneumoelectric moves throttle, regulating valve one, regulating valve two, regulating valve three, charge jet device, expanding machine and generator, air inlet
Throttle is mounted on the outlet conduit of high pressure tank；Outlet conduit after the electronic throttle of air inlet is divided into branch one and branch
Two, regulating valve one is installed on one pipeline of branch, being successively installed in series on two pipeline of branch has regulating valve two, charge jet dress
It sets, regulating valve three, expanding machine is connected to after one pipeline of branch and two pipe influx of branch, generator and expanding machine pass through transmission shaft
It is connected.
Preferably, above-mentioned charge jet device includes main jet, mixing chamber, trunnion, diffuser pipe and voltage-stabiliser tube, work spray
Mouth is mounted on mixing chamber left end, and mixing chamber right end is provided with trunnion and lower end is provided with the air entry being in communication with the outside, and trunnion is right
End is provided with diffuser pipe left small and right large, and diffuser pipe right end is connected with the voltage-stabiliser tube of straight tube.
Preferably, the metal filter screen of 80-200 mesh is provided at above-mentioned charge jet device air entry.
Preferably, entrance is provided at above-mentioned charge jet device air entry flutter board-like non-return valve.
Preferably, outlet is provided at above-mentioned charge jet device gas outlet flutter board-like non-return valve.
A kind of expansion power generator turn fine-tunes the adjusting method of system, this method are as follows: when unit starting red switch, standard-sized sheet electricity
Dynamic throttle, regulating valve three are opened into 20%, then gradually open regulating valve two and carry out unit red switch and promote revolving speed, regulating valve
Regulating valve three, which is then turned on, after two unlatchings controls air inflow.
A kind of expansion power generator turns to fine-tune the adjusting method of system, when generating unit speed reaches rated speed, is incorporated to electricity
After net, one tape splicing load of regulating valve is gradually opened, while gradually closing regulating valve two and regulating valve three, until regulating valve two and tune
Valve three is saved all to close.
Beneficial effects of the present invention: compared with prior art, the present invention inhales characteristic using the volume of charge jet device, makes sky
Aspiration enters indoor generation vacuum and sucks the air in environment, will enter the compressed air in expansion power generator by the small stream of high pressure
Quantitative change is changed to low-pressure big flow, realizes the precise controlling of revolving speed in expansion power generator start-up course, prevents hypervelocity accident,
Improve set grid-connection speed.
Detailed description of the invention
Fig. 1 is system diagram of the invention；
Fig. 2 is charge jet apparatus structure schematic diagram.
Specific embodiment
With reference to the accompanying drawing and the present invention is described further in specific embodiment.
Embodiment 1: as Figure 1-Figure 2, a kind of expansion power generator turns to fine-tune system, including high pressure tank 1, into
Pneumoelectric moves throttle 2, regulating valve 1, regulating valve 24, regulating valve 36, charge jet device 5, expanding machine 7 and generator 8, into
Pneumoelectric moves throttle 2 and is mounted on the outlet conduit of high pressure tank 1；Outlet conduit after the electronic throttle 2 of air inlet is divided into branch
Road 1 and branch 2 10, two branch branch points are denoted as A point, and regulating valve 1 is equipped on one 9 pipeline of branch, and branch 2 10 is managed
Successively being installed in series on road has regulating valve 24, charge jet device 5 and regulating valve 36, and one 9 pipeline of branch and branch 2 10 are managed
Road is connected to expanding machine 7 after collecting, two branch Rendezvous Points are denoted as B point, and generator 8 is connected with expanding machine 7 by transmission shaft, into
Pneumoelectric moves 2 input end of throttle and connect with 1 outlet end of compressed air reservoir, 5 input end of charge jet device and regulating valve 24
Outlet end connection.
When system works, pressure-air is stored in air storage tank 1, and rate of discharge is adjusted by the electronic throttle 2 of air inlet,
It is expanded by entering expanding machine 7 after branch one or branch two, generator 8 is driven to generate electricity.
Preferably, above-mentioned charge jet device 5 includes main jet 501, mixing chamber 502, trunnion 503,504 and of diffuser pipe
Voltage-stabiliser tube 505, main jet 501 are mounted on 502 left end of mixing chamber, and 502 right end of mixing chamber is provided with trunnion 503 and lower end setting
There is the air entry being in communication with the outside, entrance is installed at air entry and flutters board-like non-return valve 507,503 right end of trunnion is provided with left small
Right big diffuser pipe 504,504 right end of diffuser pipe are connected with the voltage-stabiliser tube 505 of straight tube, and 505 inner end of voltage-stabiliser tube is provided with outlet and flutters
Board-like non-return valve 506.
Preferably, the metal filter screen 508 of 80-200 mesh is provided at above-mentioned 5 air entry of charge jet device.
Preferably, it is provided with entrance at above-mentioned 5 air entry of charge jet device and flutters board-like non-return valve 507, air can only be by
Enter outside device.
Preferably, outlet is provided at above-mentioned 5 gas outlet of charge jet device and flutters board-like non-return valve 506, after can only mixing
Air is out of device outside discharger.
Outlet is flutterred board-like non-return valve 506 and is rotatably connected in circular air entry by shaft and can be close after closing
Seal air entry, outlet flutter board-like non-return valve 507 can completely open and close, air can only prevent compressed air from entering by entering outside device
Mouthful pressure is low, jet stream effect difference when, air is flowed out from fluidic device inlet after mixing, and board-like non-return valve 506 is flutterred in outlet can
Air is out of device outside discharger after completely open and close can only mix, and after preventing fluidic device from stopping transport, external compression air is from dress
It sets exit to enter inside device, causes superpressure.
Gas source, only two states of completely open and close, machine are reliably cut off in the effect of the electronic throttle 2 of air inlet when being to ensure that shutdown
It is in fully open position when group starting, is closed rapidly after receiving stopping signal, unit adjusts complete by regulating valve 24 and regulating valve 36
At.
Regulating valve 1 is used as on-load valve, in the closed position in the rotational speed regulation stage.
When unit starting red switch, the electronic throttle 2 of full admission, regulating valve 36 is opened into 20%, then gradually opens and adjusts
It saves valve 1 to carry out unit red switch and promote revolving speed, at this time since the volume of charge jet device inhales characteristic, makes to produce in air suction chamber
It gives birth to vacuum and sucks the air in environment, it is small by the high pressure of regulating valve 24 compressed air in expansion power generator will to be entered
Flow air is transformed to the low-pressure mass flow air that regulating valve 36 goes out, and regulating valve 24 is then turned on regulating valve three after opening
6 control air inflows, realize the precise controlling of revolving speed in expansion power generator start-up course, prevent hypervelocity accident, improve unit
And net spee.
When generating unit speed reaches rated speed, after being connected to the grid, one 3 tape splicing load of regulating valve is gradually opened, while gradually
Regulating valve 24 and regulating valve 36 are closed, until regulating valve 24 and regulating valve 36 are all closed.
Embodiment 2: a kind of expansion power generator turn fine-tunes the adjusting method of system, this method are as follows: unit starting red switch
When, the electronic throttle 2 of standard-sized sheet, regulating valve 36 is opened into 20%, then: gradually opening regulating valve 24 and carries out unit red switch and mention
Revolving speed is risen, regulating valve 24 is then turned on regulating valve 36 and controls air inflow after opening, realize in expansion power generator start-up course
The precise controlling of revolving speed.
A kind of expansion power generator turns to fine-tune the adjusting method of system, when generating unit speed reaches rated speed, is incorporated to electricity
After net, one 3 tape splicing load of regulating valve is gradually opened, while gradually closing regulating valve 24 and regulating valve 36, until regulating valve 24
It is all closed with regulating valve 36.
Example that the above description is merely a specific embodiment, scope of protection of the present invention is not limited thereto.It is ripe
It knows the those skilled in the art in the technical scope disclosed by the present invention, change or replacement mode can be easily found, these
It should be covered by the protection scope of the present invention.For this purpose, protection scope of the present invention should be with the protection model of the claim
Subject to enclosing.
Claims (7)
1. a kind of expansion power generator turns to fine-tune system, it is characterised in that: including high pressure tank (1), the electronic main gas of air inlet
Door (2), regulating valve one (3), regulating valve two (4), regulating valve three (6), charge jet device (5), expanding machine (7) and generator
(8), the electronic throttle of air inlet (2) is mounted on the outlet conduit of high pressure tank (1)；Going out after the electronic throttle of air inlet (2)
Mouth pipeline is divided into branch one (9) and branch two (10), and regulating valve one (3), branch two (10) pipe are equipped on branch one (9) pipeline
Successively being installed in series on road has regulating valve two (4), charge jet device (5), regulating valve three (6), branch one (9) pipeline and branch
It is connected to after two (10) pipe influx expanding machine (7), generator (8) is connected with expanding machine (7) by transmission shaft.
2. a kind of expansion power generator according to claim 1 turns to fine-tune system, it is characterised in that: charge jet device
It (5) include main jet (501), mixing chamber (502), trunnion (503), diffuser pipe (504) and voltage-stabiliser tube (505), main jet
(501) it is mounted on mixing chamber (502) left end, mixing chamber (502) right end is provided with trunnion (503) and lower end is provided with and connects with extraneous
Logical air entry, trunnion (503) right end are provided with diffuser pipe left small and right large (504), and diffuser pipe (504) right end is connected with straight tube
Voltage-stabiliser tube (505).
3. a kind of expansion power generator according to claim 1 turns to fine-tune system, it is characterised in that: charge jet device
(5) metal filter screen (508) of 80-200 mesh is provided at air entry.
4. a kind of expansion power generator according to claim 1 turns to fine-tune system, it is characterised in that: charge jet device
(5) it is provided with entrance at air entry and flutters board-like non-return valve (507).
5. a kind of expansion power generator according to claim 1 turns to fine-tune system, it is characterised in that: charge jet device
(5) it is provided with outlet at gas outlet and flutters board-like non-return valve (506).
6. a kind of -5 any expansion power generators turn to fine-tune the adjusting method of system, feature according to claim 1
It is: this method are as follows: when unit starting red switch, the electronic throttle of standard-sized sheet (2), regulating valve three (6) is opened into 20%, then gradually
It opens regulating valve two (4) to carry out unit red switch and promote revolving speed, regulating valve two (4) is then turned on regulating valve three (6) after opening
Control air inflow.
7. a kind of expansion power generator according to claim 6 turns to fine-tune the adjusting method of system, it is characterised in that: should
Method are as follows: when generating unit speed reaches rated speed, after being connected to the grid, gradually open regulating valve one (3) tape splicing load, while gradually
Regulating valve two (4) and regulating valve three (6) are closed, until regulating valve two (4) and regulating valve three (6) are all closed.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910012382.2A CN109519230B (en) | 2019-01-07 | 2019-01-07 | Expansion generator conversion fine adjustment system and method |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910012382.2A CN109519230B (en) | 2019-01-07 | 2019-01-07 | Expansion generator conversion fine adjustment system and method |
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| Publication Number | Publication Date |
|---|---|
| CN109519230A true CN109519230A (en) | 2019-03-26 |
| CN109519230B CN109519230B (en) | 2024-03-26 |
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| CN201910012382.2A Active CN109519230B (en) | 2019-01-07 | 2019-01-07 | Expansion generator conversion fine adjustment system and method |
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Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109973161A (en) * | 2019-05-09 | 2019-07-05 | 贵州电网有限责任公司 | A kind of the expansion power generator gas handling system and method for multistage switching |
| CN109973158A (en) * | 2019-05-09 | 2019-07-05 | 贵州电网有限责任公司 | A kind of expansion power generator combination regulating system and method |
| CN110224433A (en) * | 2019-06-14 | 2019-09-10 | 贵州电网有限责任公司 | A kind of expansion power generation phase modifier system and method |
| CN110410664A (en) * | 2019-09-03 | 2019-11-05 | 贵州电网有限责任公司 | A kind of compressed-air energy storage combined type gas storage can system and its adjusting method |
| CN112377270A (en) * | 2020-11-11 | 2021-02-19 | 贵州电网有限责任公司 | Method for rapidly stabilizing rotating speed in impact rotation process of expansion generator set |
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Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109973161A (en) * | 2019-05-09 | 2019-07-05 | 贵州电网有限责任公司 | A kind of the expansion power generator gas handling system and method for multistage switching |
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| CN110410664A (en) * | 2019-09-03 | 2019-11-05 | 贵州电网有限责任公司 | A kind of compressed-air energy storage combined type gas storage can system and its adjusting method |
| CN112377270A (en) * | 2020-11-11 | 2021-02-19 | 贵州电网有限责任公司 | Method for rapidly stabilizing rotating speed in impact rotation process of expansion generator set |
| CN112377270B (en) * | 2020-11-11 | 2022-05-17 | 贵州电网有限责任公司 | Method for rapidly stabilizing rotating speed in impact rotation process of expansion generator set |
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| CN109519230B (en) | 2024-03-26 |
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