CN205618452U - Impulse turbine speed adjusting device with leather bag energy storage ware - Google Patents
Impulse turbine speed adjusting device with leather bag energy storage ware Download PDFInfo
- Publication number
- CN205618452U CN205618452U CN201620419629.4U CN201620419629U CN205618452U CN 205618452 U CN205618452 U CN 205618452U CN 201620419629 U CN201620419629 U CN 201620419629U CN 205618452 U CN205618452 U CN 205618452U
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- China
- Prior art keywords
- oil
- valve
- accumulator
- nozzle needle
- connects
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02E—REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
- Y02E10/00—Energy generation through renewable energy sources
- Y02E10/20—Hydro energy
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- Hydraulic Turbines (AREA)
Abstract
The utility model provides an impulse turbine speed adjusting device with leather bag energy storage ware, includes energy storage ware, nozzle needle controlling means, deflector controlling means and oil returning device, and nozzle needle controlling means includes the electric feedback device of nozzle needle, nozzle needle servomotor and solenoid valve, and deflector controlling means includes deflector servomotor, liquid accuse valve, deflector action valve, and oil returning device includes consecutive oil sump tank, inhales oil filter, oil pump, off -load overflow valve and the motor that links to each other with the oil pump, the utility model discloses an advantage and beneficial effect: in being applied to impulse turbine speed control system with oil -gas separation's leather bag energy storage ware for impulse turbine speed adjusting device's oil feeding system alternate segregation, the overall structure size of reducing speed control system effectively, cancellation highly -compressed air make -up system need not configuration conventional air compressor, high pressure gasholder and air supplement unit etc. Reduces the energy consumption, increases speed adjusting device 0, reduces speed adjusting device 1.
Description
Technical field
This utility model relates to a kind of power station impact type adjustable speed device, a kind of impulse turbine arrangements for speed regulation with Accumulator, it is adaptable to impulse turbine governing system.
Background technology
At present, the energy storage section of the oil supply system of impulse turbine governing system, use the pressure oil tank of hydrocarbons contact, constantly miss because compressed air is dissolved in oil during operation.To this end, special gas system and corresponding auxiliary power house need to be arranged, supplement dry compressed air to pressure oil tank.Such pressure-air make-up system, energy consumption is big, uneconomical, improves production cost.
Summary of the invention
To be solved in the utility model haveing a problem in that overcomes the deficiencies in the prior art, it is provided that the impulse turbine arrangements for speed regulation with Accumulator of the devices such as a kind of air compressor conventional without configuration, high pressure tank.
This utility model solves it and technical problem is that and take techniques below scheme to realize:
A kind of impulse turbine arrangements for speed regulation with Accumulator, including accumulator, nozzle needle controls device, jet deflector controls device and oil return apparatus, nozzle needle controls device and includes nozzle needle electrical feedback device, nozzle needle servomotor and electromagnetic valve, jet deflector controls device and includes jet deflector servomotor, pilot operated valve device, jet deflector operating valve, and oil return apparatus includes the oil sump tank being sequentially connected, oil absorption filter, oil pump, unloading overflow valve and the motor being connected with oil pump；
Described nozzle needle servomotor connects electromagnetic valve, electromagnetic valve connects oil filter, and oil filter connects for oil cut-off valve, connects accumulator for oil cut-off valve by another road of pipeline, accumulator connects oil-feed stop valve by pipeline, and oil-feed stop valve connects the unloading overflow valve in oil return apparatus；Described nozzle needle servomotor connects electromagnetic valve, and electromagnetic valve connects back to fuel tank and constitutes nozzle needle and control device；Described jet deflector servomotor connects pilot operated valve device, and pilot operated valve device is connected with accumulator by pipeline, and pilot operated valve device is also connected with oil sump tank, jet deflector operating valve, and jet deflector operating valve is connected with oil sump tank and oil filter respectively and constitutes jet deflector and control device.
Further, described accumulator is bag type accumulator, and quantity can increase and decrease according to the size of nozzle needle and jet deflector servomotor capacity, fills high-pressure inert gas in bag type accumulator, the gentle separation of oil, oil is the most oxidizable, is difficult to containing gas, and oil keeps good, fill a nitrogen can use 3 to five years, without QI invigorating in operation, rational in infrastructure, use reliable.
Further, described electromagnetic valve is big orifice direct controlled type electrohydraulic servo valve, described jet deflector operating valve is electromagnetic direction valve, and described pilot operated valve device is the guiding valve that surges, and described nozzle needle controls device and jet deflector controls device and can increase and decrease according to the quantity of the nozzle needle of impulse water wheel unit and jet deflector.
Further, for ensureing the reliability of work, this device is equipped with 2 oil pumps, and one is work oil pump, and another is emergency bearing oil pump, and these two oil pumps switch the most mutually.
Further, described connects pressure meter switch for oil cut-off valve by pipeline, and pressure meter switch connects Pressure gauge.
Further, described accumulator connects, by another road of pipeline, stop valve of draining the oil, and stop valve of draining the oil connects back to fuel tank.
This utility model compared with prior art has significant advantage and beneficial effect: owing to using high hydraulic technology, the Accumulator of Oil-gas Separation is applied in impulse turbine governing system, the oil supply system making impulse turbine arrangements for speed regulation is separated from each other, cancel pressure-air make-up system, without air compressor, high pressure tank and making-up air device etc. that configuration is conventional, effectively reduce the overall structure size of governing system, reduce energy consumption, increase economic benefit, reduce production cost；Meanwhile, effectively reducing the construction investment in power station, cost performance is high, simplifies and reduces cost to equipment for hydroelectric station and all bring great benefit.
Accompanying drawing explanation
Fig. 1 is structural representation of the present utility model；
Wherein 1, nozzle needle electrical feedback device, 2, nozzle needle servomotor, 3, electromagnetic valve, 4, oil filter, 5, for oil cut-off valve, 6, Pressure gauge, 7, pressure meter switch, 8, accumulator, 9, oil-feed stop valve, 10, drain the oil stop valve, 11, unloading overflow valve, 12, motor, 13, oil pump, 14, oil absorption filter, 15, oil sump tank, 16, jet deflector servomotor, 17, pilot operated valve device, 18, jet deflector operating valve.
Detailed description of the invention
Below in conjunction with accompanying drawing and preferred embodiment, to detailed description of the invention, structure, feature and effect thereof of providing according to this utility model, after describing in detail such as.
A kind of impulse turbine arrangements for speed regulation with Accumulator as shown in Figure 1, including accumulator 8, nozzle needle controls device, jet deflector controls device and oil return apparatus, nozzle needle controls device and includes nozzle needle electrical feedback device 1, nozzle needle servomotor 2 and electromagnetic valve 3, jet deflector controls device and includes jet deflector servomotor 16, pilot operated valve device 17, jet deflector operating valve 18, and oil return apparatus includes the oil sump tank 15 being sequentially connected, oil absorption filter 14, oil pump 13, unloading overflow valve 11 and the motor 12 being connected with oil pump；Described nozzle needle servomotor 2 closes machine cavity C and connects electromagnetic valve 3B chamber, electromagnetic valve 3P chamber connects oil filter, oil filter 4 connects for oil cut-off valve 5, pressure meter switch 7 is connected by pipeline for oil cut-off valve 5, pressure meter switch 7 connects Pressure gauge 6, accumulator 8 is connected by another road of pipeline for oil cut-off valve 5, accumulator 8 connects oil-feed stop valve 9 by pipeline, oil-feed stop valve 9 connects unloading overflow valve 11, unloading overflow valve 11 connects Oil pump electrical machinery 12, oil pump 13 connects oil absorption filter 14, oil absorption filter 14 connects back to fuel tank 15, accumulator connects, by another road of pipeline, stop valve 10 of draining the oil, stop valve 10 of draining the oil connects back to fuel tank 15, nozzle needle servomotor 2 start shooting chamber D connect electromagnetic valve 3A chamber, electromagnetic valve 3T chamber connects back to fuel tank 15 and constitutes nozzle needle and control device；Jet deflector servomotor 16 exits chamber E and connects pilot operated valve device 17A2 chamber, pilot operated valve device 17P2 chamber is connected with accumulator 8 by pipeline, the input chamber F of jet deflector servomotor 16 connects pilot operated valve device 17B2 chamber, pilot operated valve device 17T2 chamber connects back to fuel tank 15, pilot operated valve device 17 controlled chamber is connected with jet deflector operating valve 18K chamber, jet deflector operating valve 18T1 chamber connects back to fuel tank 15, and jet deflector operating valve 18P1 chamber connects oil filter 4 and constitutes jet deflector and control device.
For ensureing the reliability of work, this device is equipped with 2 oil pumps 13, and one is work oil pump, and another is emergency bearing oil pump, and these two oil pumps should switch the most mutually.Under special circumstances, two oil pumps can also do the work of short time simultaneously.
The excursion of the normal operating oil pressure of oil gear be nominal operation pressure ± 5% within.When oil pressure is less than the 6%～8% of lower limit of operating oil pressure, should start emergency bearing oil pump, when oil pressure continues to be reduced to accident low pressure, the pressure signal device acting on emergency shutdown should action immediately.
Utility model works principle is: motor 12 drives oil pump 13 to rotate, and the cleansing oil in oil sump tank 15 is drawn into unloading overflow valve 11 intracavity.Along with the increase of oil transportation amount, this cavity pressure raises rapidly, until exceeding the pressure of unloading overflow valve 11 epicoele, oil enters accumulator through oil-feed stop valve 9.Pressure oil in accumulator 8 is then through being transported to blade control device for oil cut-off valve 5.Oil return enters oil pump 13 after oil-suction oil filter 14 filters and is sent to accumulator 8, so moves in circles.
Described nozzle needle controls the action of device and uses electromagnetic valve 3 to control, when nozzle needle servomotor 2 needs to open, the right position of electromagnetic valve 3 leads to, i.e. electromagnetic valve 3B chamber is linked up with T chamber, the A chamber of electromagnetic valve 3 is linked up with P chamber, nozzle needle servomotor 2C runs in chamber oil, and D chamber connects pressure oil, and nozzle needle servomotor 2 is to start direction action.When behind nozzle needle servomotor 2 in-position, electromagnetic valve 3 returns to middle position, and 2 liang of chambeies of nozzle needle servomotor are all linked up with oil sump tank 15, two cavity pressure equilibriums, nozzle needle controls device stopping action.When nozzle needle servomotor 2 needs to close, the left position of electromagnetic valve 3 leads to, i.e. electromagnetic valve 3B chamber and P chamber is linked up, and electromagnetic valve 3A chamber is linked up with T chamber, and nozzle needle servomotor 2D runs in chamber oil, and C chamber connects pressure oil, and nozzle needle servomotor 2 is to shutdown direction action.When behind nozzle needle servomotor 2 in-position, electromagnetic valve returns to middle position, and 2 liang of chambeies of nozzle needle servomotor are all linked up with oil sump tank 15, two cavity pressure equilibriums, nozzle needle controls device stopping action.
Nozzle needle controls device and there is no combination relationship with jet deflector control device, and nozzle needle control device directly controls nozzle needle servomotor 2 and regulates machine class frequency and load, and jet deflector 16 is not involved in regulation.Only when generating unit speed uprushes certain value, jet deflector operating valve 18 electric magnet being controlled by speed regulator electric part obtains actuating signal, jet deflector operating valve 18P1 chamber is linked up with K chamber, and pressure oil enters pilot operated valve device 17 controlled chamber, promotes pilot operated valve device 17 to the right, pilot operated valve device 17P2 chamber is linked up with B2 chamber, A2 chamber and T2 chamber are linked up, and jet deflector servomotor 16 puts into chamber F and connects pressure oil, and jet deflector servomotor 16 exits chamber and runs in oil, jet deflector puts into rapidly and excises jet, and generating unit speed declines.After rotating speed is less than setting valve, jet deflector operating valve 18 electric magnet dead electricity, jet deflector operating valve 18K chamber is linked up with T1 chamber, pilot operated valve device 17 controlled chamber oil extraction, pilot operated valve device 17P2 chamber and A2 chamber are linked up, and pilot operated valve device 17B2 chamber is linked up with T2 chamber, and jet deflector servomotor 16 puts into chamber F and runs in oil, jet deflector servomotor 16 exits chamber and connects pressure oil, and jet deflector returns to initial position.
Above an embodiment of the present utility model is described in detail, but described content has been only preferred embodiment of the present utility model, it is impossible to be considered for limiting practical range of the present utility model.All impartial changes made according to this utility model application range and improvement etc., within all should still belonging to patent covering scope of the present utility model.
Claims (9)
1. impulse turbine arrangements for speed regulation with Accumulator, it is characterized in that: include that accumulator, nozzle needle control device, jet deflector controls device and oil return apparatus, nozzle needle controls device and includes nozzle needle electrical feedback device, nozzle needle servomotor and electromagnetic valve, jet deflector controls device and includes jet deflector servomotor, pilot operated valve device, jet deflector operating valve, and oil return apparatus includes the oil sump tank being sequentially connected, oil absorption filter, oil pump, unloading overflow valve and the motor being connected with oil pump；Described nozzle needle servomotor connects electromagnetic valve, electromagnetic valve connects oil filter, and oil filter connects for oil cut-off valve, connects accumulator for oil cut-off valve by another road of pipeline, accumulator connects oil-feed stop valve by pipeline, and oil-feed stop valve connects the unloading overflow valve in oil return apparatus；Described nozzle needle servomotor connects electromagnetic valve, and electromagnetic valve connects back to fuel tank and constitutes nozzle needle and control device；Described jet deflector servomotor connects pilot operated valve device, and pilot operated valve device is connected with accumulator by pipeline, and pilot operated valve device is also connected with oil sump tank, jet deflector operating valve, and jet deflector operating valve is connected with oil sump tank and oil filter respectively and constitutes jet deflector and control device.
The impulse turbine arrangements for speed regulation with Accumulator the most according to claim 1, it is characterised in that: described accumulator is bag type accumulator.
The impulse turbine arrangements for speed regulation with Accumulator the most according to claim 1, it is characterised in that: described electromagnetic valve is big orifice direct controlled type electrohydraulic servo valve.
The impulse turbine arrangements for speed regulation with Accumulator the most according to claim 1, it is characterised in that: described jet deflector operating valve is electromagnetic direction valve.
The impulse turbine arrangements for speed regulation with Accumulator the most according to claim 1, it is characterised in that: described pilot operated valve device is the guiding valve that surges.
The impulse turbine arrangements for speed regulation with Accumulator the most according to claim 1, it is characterised in that: described nozzle needle controls device and jet deflector controls device and can increase and decrease according to the quantity of the nozzle needle of impulse water wheel unit and jet deflector.
The impulse turbine arrangements for speed regulation with Accumulator the most according to claim 1, it is characterised in that: described oil pump is two, and one is work oil pump, and another is emergency bearing oil pump.
The impulse turbine arrangements for speed regulation with Accumulator the most according to claim 1, it is characterised in that: described connects pressure meter switch for oil cut-off valve by pipeline, and pressure meter switch connects Pressure gauge.
The impulse turbine arrangements for speed regulation with Accumulator the most according to claim 1, it is characterised in that: described accumulator connects, by another road of pipeline, stop valve of draining the oil, and stop valve of draining the oil connects back to fuel tank.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620419629.4U CN205618452U (en) | 2016-05-11 | 2016-05-11 | Impulse turbine speed adjusting device with leather bag energy storage ware |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620419629.4U CN205618452U (en) | 2016-05-11 | 2016-05-11 | Impulse turbine speed adjusting device with leather bag energy storage ware |
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| Publication Number | Publication Date |
|---|---|
| CN205618452U true CN205618452U (en) | 2016-10-05 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201620419629.4U Expired - Fee Related CN205618452U (en) | 2016-05-11 | 2016-05-11 | Impulse turbine speed adjusting device with leather bag energy storage ware |
Country Status (1)
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| CN (1) | CN205618452U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109209752A (en) * | 2018-10-26 | 2019-01-15 | 大唐甘肃发电有限公司碧口水力发电厂 | Based on hydraulic turbine water flow speed regulating control equipment and control method |
-
2016
- 2016-05-11 CN CN201620419629.4U patent/CN205618452U/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109209752A (en) * | 2018-10-26 | 2019-01-15 | 大唐甘肃发电有限公司碧口水力发电厂 | Based on hydraulic turbine water flow speed regulating control equipment and control method |
| CN109209752B (en) * | 2018-10-26 | 2020-07-31 | 大唐甘肃发电有限公司碧口水力发电厂 | Water flow speed regulation control equipment and control method based on water turbine |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20161005 Termination date: 20180511 |
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| CF01 | Termination of patent right due to non-payment of annual fee |