CN209724434U - A kind of expansion power generator gas handling system of multistage switching - Google Patents
A kind of expansion power generator gas handling system of multistage switching Download PDFInfo
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- CN209724434U CN209724434U CN201920654974.XU CN201920654974U CN209724434U CN 209724434 U CN209724434 U CN 209724434U CN 201920654974 U CN201920654974 U CN 201920654974U CN 209724434 U CN209724434 U CN 209724434U
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- expanding machine
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- power generator
- valve
- flow device
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Abstract
The utility model discloses a kind of expansion power generator gas handling systems of multistage switching, including high pressure tank, the electronic throttle of air inlet is sequentially installed on the outlet conduit of high pressure tank, adjustable jet flow device, regulating valve and multiple expansion engine, generator is connected with multiple expansion engine by transmission shaft, multiple expansion engine includes chopped-off head expanding machine, middle multi-stage expanding machine and final stage expanding machine, the exhaust outlet of every level-one expanding machine accesses next stage expanding machine air intake, the gas outlet pipeline of final stage expanding machine is divided into bypass line one and bypass line two, bypass line one is connected to the air entry of jet flow device, bypass line two is connected in atmosphere, the gas outlet pipeline of chopped-off head expanding machine and middle multi-stage expanding machine respectively not Tong Guo electrical valve one and electrical valve two be connected to bypass line one together.The utility model improves system effectiveness by switching the pump orifice gas source of adjustable jet flow device according to the parameter request of expansion power generator starting and normal course of operation.
Description
Technical field
The utility model belongs to expansion power generator air inlet control equipment technical field, and in particular to a kind of multistage switching it is swollen
Swollen generator gas handling system.
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, which starts, is added fixed jet flow device in regulating system, not only may be implemented by compressed air by
Small flow high pressure power is converted to big flow low-pressure, realizes the precise controlling during unit starting；Suction chamber can also be passed through
Other air is recycled in vacuum suction, improves unit efficiency.Since the effect of expansion power generator mainly cooperates electric system tune
It saves, operating condition changes greatly, is more in operation, it is therefore desirable to which a kind of technology, realization is according to expansion power generator power generation starting and normally
Parameter situation when operation switches the pump orifice gas source of jet flow device, effectively sky of the control into multiple expansion generator
Atmospheric pressure improves system effectiveness.
Summary of the invention
Technical problem to be solved by the utility model is: a kind of expansion power generator gas handling system of multistage switching is provided, with
Solve problems of the prior art.
The technical solution that the utility model is taken are as follows: a kind of expansion power generator gas handling system of multistage switching, including high pressure
Air accumulator, the electronic throttle of air inlet, adjustable jet flow device, regulating valve, multiple expansion engine and generator, high pressure tank
It is sequentially installed with the electronic throttle of air inlet, adjustable jet flow device and regulating valve, regulating valve on outlet conduit and is connected to multistage
Expanding machine, generator are connected with multiple expansion engine by transmission shaft, and multiple expansion engine includes chopped-off head expanding machine, middle multi-stage expansion
The exhaust outlet of machine and final stage expanding machine, every level-one expanding machine accesses next stage expanding machine air intake, the gas outlet of final stage expanding machine
Pipeline is divided into bypass line one and bypass line two, and bypass line one is connected to the air entry of jet flow device, bypass line
Electrically operated valve 3 is installed, bypass line two is connected in atmosphere, and electrically operated valve four, chopped-off head are equipped in bypass line two on one
The gas outlet pipeline of expanding machine and middle multi-stage expanding machine respectively not Tong Guo electrical valve one and electrical valve two be connected to together
Bypass line one.
Preferably, above-mentioned adjustable jet flow device includes main jet, mixing chamber, trunnion, diffuser pipe, voltage-stabiliser tube, tune
Section mechanism and nozzle needle, main jet are mounted on mixing chamber left end, and nozzle needle is connected with regulating mechanism and is mounted on inside main jet,
Mixing chamber right end is provided with trunnion and lower end is provided with the air entry being connected to bypass line one, and trunnion right end is provided with the left small right side
Big diffuser pipe, diffuser pipe right end are connected with the voltage-stabiliser tube of straight tube, and nozzle inner end is provided with aditus laryngis, and nozzle needle inner end is taper knot
Structure can block aditus laryngis after moving inward by regulating mechanism, aditus laryngis can be blocked after moving inward by regulating mechanism, injection
Device is that a kind of fluid by two strands of different pressures is mutually mixed, and energy exchange occurs, to promote the device of low pressure fluid pressure.
The method that the injector that the utility model uses is adjusted using amount, the throat section product by changing main jet reach adjusting
The working condition of injector is adjusted in the purpose of flow.
Preferably, above-mentioned regulating mechanism uses mechanical adjust mechanism and electrodynamic type regulating mechanism.
Preferably, entrance is installed in above-mentioned air entry and flutters board-like non-return valve.
Preferably, the metal filter screen of 80-200 mesh is provided at above-mentioned air entry.
A kind of adjusting method of the expansion power generator gas handling system of multistage switching, this method are as follows: it is swollen that chopped-off head is opened in operation
Swollen machine exhaust electrically operated valve one closes all middle multi-stage expander exhaust gas electrically operated valves two and final stage expander exhaust gas motor-driven valve
Door three is supplied the suction gas source switching of adjustable jet flow device by chopped-off head expander exhaust gas.
The utility model has the beneficial effects that compared with prior art, the utility model using adjustable jet flow device and
Air entry connects different gas sources and is adjusted respectively, realizes that the combination of expansion power generator is adjusted, implements in different phase different
Control, take into account precise controlling when starting and running system effectiveness, according to expansion power generator start and operated normally
The parameter request of journey improves system effectiveness by switching the pump orifice gas source of jet flow device.
Detailed description of the invention
Fig. 1 is the system diagram of the utility model；
Fig. 2 is adjustable jet flow apparatus structure schematic diagram.
Specific embodiment
With reference to the accompanying drawing and the utility model is described further in specific embodiment.
Embodiment 1: as shown in Figs. 1-2, a kind of expansion power generator gas handling system of multistage switching, including high pressure tank 1,
The electronic throttle 2 of air inlet, adjustable jet flow device 3, regulating valve 4, multiple expansion engine 5 and generator 6, high pressure tank 1
The electronic throttle 2 of air inlet, adjustable jet flow device 3 and regulating valve 4, regulating valve 4 is sequentially installed on outlet conduit to be connected to
Multiple expansion engine 5, generator 6 are connected with multiple expansion engine 5 by transmission shaft, multiple expansion engine 5 include chopped-off head expanding machine 501,
The exhaust outlet of middle multi-stage expanding machine 502 and final stage expanding machine 503, every level-one expanding machine accesses next stage expanding machine air intake,
The gas outlet pipeline of final stage expanding machine 503 is divided into bypass line 1 and bypass line 2 12, and bypass line 1 is connected to spray
The air entry of gas fluidic device 3 is equipped with electrically operated valve 39 in bypass line 1, and bypass line 2 12 is connected in atmosphere,
Electrically operated valve 4 10, the gas outlet pipeline of chopped-off head expanding machine 501 and middle multi-stage expanding machine 502 are installed in bypass line 2 12
Bypass line 1 is connected to by electrical valve 1 and electrical valve 28 together respectively.
Preferably, above-mentioned adjustable jet flow device 3 includes main jet 301, mixing chamber 302, trunnion 303, diffuser pipe
304, voltage-stabiliser tube 305, regulating mechanism 306 and nozzle needle 307, main jet 301 are mounted on 302 left end of mixing chamber, and nozzle needle 307 connects
Have regulating mechanism 306 and be mounted on inside main jet 301,302 right end of mixing chamber is provided with trunnion 303 and lower end be provided with
The air entry 310 that bypass line 1 is connected to, 303 right end of trunnion are provided with diffuser pipe 304 left small and right large, and diffuser pipe 304 is right
End is connected with the voltage-stabiliser tube 305 of straight tube, and 301 inner end of nozzle is provided with aditus laryngis 311, and 307 inner end of nozzle needle is pyramidal structure, passes through tune
Section mechanism 306 can block aditus laryngis 311 after moving inward, and the electronic throttle 2 of air inlet is connected to outside main jet 301 by pipeline
End side wall, main jet 301 inhale characteristic using the volume of jet flow device, make air suction chamber from side wall air inlet, right end outlet
Interior generation vacuum and suck the air in environment, will enter expansion power generator in compressed air be transformed to by the small flow of high pressure
Low-pressure big flow, main jet 301 need to be able to bear 10MPa pressure, and remaining part need to be able to bear 3.5MPa pressure, spray
Emitter is that a kind of fluid by two strands of different pressures is mutually mixed, and energy exchange occurs, to promote the dress of low pressure fluid pressure
It sets.The method that the injector that the utility model uses is adjusted using amount, the throat section product by changing main jet reach
The purpose for adjusting flow, is adjusted the working condition of injector.
Preferably, above-mentioned regulating mechanism 306 uses mechanical adjust mechanism and electrodynamic type regulating mechanism, the regulating mechanism class
Like valve, i.e. nozzle is equal to valve body, and nozzle needle is equal to spool, and the adjusting of nozzle aperture is realized in the axial movement of nozzle needle, mechanical
Formula regulating mechanism includes the rotary screw being rotatably connected with nozzle needle outer end, and rotary screw spiral is connected on bracket, and bracket is solid
Surely it is connected to nozzle outer end, rotary screw is connected with rotating handle after stretching out bracket, and by rotating rotating handle, rotary screw is left
It moves right, so that nozzle needle be pushed to move left and right, realizes the aperture regulation of nozzle needle, electrodynamic type regulating mechanism uses electric pushrod, electricity
The push-pull rod of dynamic push rod is fixedly connected with nozzle needle outer end, and the shell of electric pushrod is fixedly connected on outside nozzle by fixed bracket
End, the push-pull rod for controlling electric pushrod moves left and right, so that nozzle needle be pushed to move left and right, realizes the aperture regulation of nozzle needle, adjusts
Mechanism 306 is directly connected to nozzle needle 302, drives nozzle needle 302 to move left and right by regulating mechanism 306,301 inner end of nozzle is provided with
Aditus laryngis 310,302 inner end of nozzle needle are pyramidal structure, when regulating mechanism 306 be in right end, that is, open position is " 0 ", nozzle needle 302
Aditus laryngis 310 can be blocked completely.When regulating mechanism 306 is in left end, that is, open position is " 100 ", nozzle needle 302 and aditus laryngis 310
Between sectional area be maximum.Change 306 aperture of regulating mechanism, i.e. sectional area between change nozzle needle 302 and aditus laryngis 310, changes
Flow, the pressure for becoming jet flow device outlet compressed air, adjust expander inlet energy value.
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 adjusting is completed by regulating valve 4.
When system works, pressure-air is stored in air storage tank 1, the tune in jet flow device main jet 301
It saves mechanism 306 and adjusts pressure after jet flow device 3, regulating valve 4 is adjusted into 5 flow of multiple expansion engine, compressed air
Expansion work drives generator 6 to generate electricity；The pump orifice gas source of jet flow device 3 can be chopped-off head expander exhaust gas through air inlet
Motor-driven valve 1 enters, and can enter for the exhaust of multiple expansion engine through electrically operated valve 28, can also pass through for final stage expander exhaust gas
Electrically operated valve 39 enters.Wherein, final stage expander exhaust gas can be directly discharged into atmosphere by electrically operated valve 4 10.
Preferably, entrance is installed in above-mentioned air entry 310 and flutters board-like non-return valve 308, it is logical that entrance flutters board-like non-return valve 308
Shaft is crossed to be rotatably connected in circular air entry and air entry can be sealed after closing, can completely open and close, air is only
Can be by entering outside device, when preventing low compressed air inlet pressure, jet stream effect difference, air is from fluidic device inlet after mixing
Outflow.
Preferably, the metal filter screen 309 of 80-200 mesh is provided at above-mentioned air entry 310, filter screen prevents bulky grain
Impurity enter fluidic device.
Embodiment 2: a kind of adjusting method of the expansion power generator gas handling system of multistage switching, this method are as follows: opened in operation
It opens chopped-off head expander exhaust gas electrically operated valve 1, close all middle multi-stage expander exhaust gas electrically operated valves 28 and final stage expanding machine
It is vented electrically operated valve 39, the suction gas source switching of adjustable jet flow device is supplied by chopped-off head expander exhaust gas.
Embodiment 3: a kind of adjusting method of the expansion power generator gas handling system of multistage switching, this method are as follows: or in operation
Open middle multi-stage expanding machine certain level-one expander exhaust gas electrically operated valve 28, close other grade of expanding machine exhaust electrically operated gate,
Chopped-off head expander exhaust gas electrically operated valve 1 and final stage expander exhaust gas electrically operated valve 39 aspirate adjustable jet flow device
Gas source switches to be supplied by certain level-one expander exhaust gas of middle multi-stage expanding machine.
Embodiment 4: a kind of adjusting method of the expansion power generator gas handling system of multistage switching, this method are as follows: opened in operation
It opens final stage expander exhaust gas electrically operated valve 39, close chopped-off head expander exhaust gas electrically operated valve 1, all middle multi-stage expanding machines
It is vented electrically operated valve 28, row's atmosphere electrically operated valve 4 10 of final stage expanding machine switches adjustable jet flow device suction gas source
It is supplied by final stage expanding machine.
Above description is only a specific implementation of the present invention, but the protection scope of the utility model is not limited to
In this, anyone skilled in the art within the technical scope disclosed by the utility model, can readily occur in variation
Or replacement, it should be covered within the scope of the utility model, therefore, the protection scope of the utility model should be with the power
Subject to the protection scope that benefit requires.
Claims (5)
1. a kind of expansion power generator gas handling system of multistage switching, it is characterised in that: electronic including high pressure tank (1), air inlet
Throttle (2), adjustable jet flow device (3), regulating valve (4), multiple expansion engine (5) and generator (6), high pressure tank
(1) it is sequentially installed with the electronic throttle of air inlet (2), adjustable jet flow device (3) and regulating valve (4) on outlet conduit, adjusts
Section valve (4) is connected to multiple expansion engine (5), and generator (6) is connected with multiple expansion engine (5) by transmission shaft, multiple expansion engine
It (5) include chopped-off head expanding machine (501), middle multi-stage expanding machine (502) and final stage expanding machine (503), the row of every level-one expanding machine
Port accesses next stage expanding machine air intake, and the gas outlet pipeline of final stage expanding machine (503) is divided into bypass line one (11) and branch
Road pipeline two (12), bypass line one (11) are connected to the air entry of jet flow device (3), install in bypass line one (11)
There is electrically operated valve three (9), bypass line two (12) is connected in atmosphere, and electrically operated valve four is equipped in bypass line two (12)
(10), the gas outlet pipeline of chopped-off head expanding machine (501) and middle multi-stage expanding machine (502) respectively Tong Guo electrical valve one (7)
It is connected to bypass line one (11) together with electrical valve two (8).
2. a kind of expansion power generator gas handling system of multistage switching according to claim 1, it is characterised in that: adjustable jet
Fluidic device (3) includes main jet (301), mixing chamber (302), trunnion (303), diffuser pipe (304), voltage-stabiliser tube (305), adjusts
Section mechanism (306) and nozzle needle (307), main jet (301) are mounted on mixing chamber (302) left end, and nozzle needle (307) is connected with adjusting
Mechanism (306) is simultaneously mounted on main jet (301) inside, and mixing chamber (302) right end is provided with trunnion (303) and lower end is provided with
The air entry (310) being connected to bypass line one (11), trunnion (303) right end are provided with diffuser pipe left small and right large (304), are expanded
Pressure pipe (304) right end is connected with the voltage-stabiliser tube (305) of straight tube, and nozzle (301) inner end is provided with aditus laryngis (311), in nozzle needle (307)
End is pyramidal structure, and aditus laryngis (311) can be blocked after moving inward by regulating mechanism (306).
3. a kind of expansion power generator gas handling system of multistage switching according to claim 2, it is characterised in that: regulating mechanism
(306) mechanical adjust mechanism and electrodynamic type regulating mechanism are used.
4. a kind of expansion power generator gas handling system of multistage switching according to claim 2, it is characterised in that: air entry
(310) entrance is installed in and flutters board-like non-return valve (308).
5. a kind of expansion power generator gas handling system of multistage switching according to claim 2, it is characterised in that: air entry
(310) metal filter screen (309) of 80-200 mesh is provided at.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920654974.XU CN209724434U (en) | 2019-05-09 | 2019-05-09 | A kind of expansion power generator gas handling system of multistage switching |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920654974.XU CN209724434U (en) | 2019-05-09 | 2019-05-09 | A kind of expansion power generator gas handling system of multistage switching |
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| CN209724434U true CN209724434U (en) | 2019-12-03 |
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Cited By (1)
| 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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- 2019-05-09 CN CN201920654974.XU patent/CN209724434U/en active Active
Cited By (1)
| 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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