CN106761971A - A kind of high-order energy storage meet an urgent need supply turbo-engine lube method - Google Patents
A kind of high-order energy storage meet an urgent need supply turbo-engine lube method Download PDFInfo
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- CN106761971A CN106761971A CN201611240426.XA CN201611240426A CN106761971A CN 106761971 A CN106761971 A CN 106761971A CN 201611240426 A CN201611240426 A CN 201611240426A CN 106761971 A CN106761971 A CN 106761971A
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- 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
- F01D25/00—Component parts, details, or accessories, not provided for in, or of interest apart from, other groups
- F01D25/18—Lubricating arrangements
- F01D25/20—Lubricating arrangements using lubrication pumps
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Abstract
The invention discloses a kind of high-order energy storage meet an urgent need supply turbo-engine lube method, using the water of elevated tank storage as gravitional force, once the grease pump feed system cisco unity malfunction of steam turbine, water i.e. in release elevated tank acts on the hydraulic turbine, high-order gravitional force and kinetic energy are converted into by mechanical energy by the hydraulic turbine, grease pump normal fuel injection is driven.The inventive method is a set of for large-size steam turbine is provided to set up gravitional force as the oil feeding device of drive energy without electric power by working medium of water; may insure in the case where the alternating current and direct current grease pump of the original configuration of steam turbine all fails; also last a set of lube plant directly provides the bearing lubrication oil mass that Turbine Safety shuts down coasting operation using mechanical energy, it is to avoid serious steam turbine oil-break burning accident occurs.
Description
Technical field
The invention belongs to steam turbine, and in particular to a kind of high-order energy storage meet an urgent need supply turbo-engine lube method.
Technical background
Large-size steam turbine is in the widely used key equipment of the industries such as thermal power plant, nuclear power plant.This large-scale rotation
Mechanical typically to use sliding bearing, steam turbine original lubricating oil supply and interlocking protective system are as follows：When steam turbine normally runs, by
Turbine spindle drives main oil pump or AC Lub oil pump to provide enough lubricating oil to each bearing, and lubricating oil system is also configured
There is battery to provide the last guarantee that the DC lubricating of dc source fails as unit AC Lub oil pump, lubricate in addition
Oil system also has the low value of steam-turbine lubrication oil pressure or steam turbine tripping operation interlocking AC Lub oil pump, low two-value interlocked startup
The virtual protections such as DC lubricating.
Although turbo-engine lube is supplied and protection system is configured with standby alternating current and direct current grease pump and interlock protection system
System, mainly there is exchange, directly the reason for still have large turbine-generator set oil-break burning accident, accident in actual production
Stream grease pump housing build-up of air causes oil pump short time decompression, oil-break, alternating current and direct current power-fail or Oil pump electrical machinery to close
Lock unsuccessfully causes non lubricant oil pump operation oil-break, and the operation not in place or interlocking protective system failure of operation causes lubricating oil pressure low
Do not start alternating current and direct current grease pump in time, lubricating oil system filter screen, the blocking of oil cooler inside cause oil circuit to interrupt and tile kilning
Deng.
Therefore, the existing lubricating oil supply of steam turbine and protection system still suffer from certain oil-break tile kilning potential safety hazard, are anti-
Only there is oil-break burning accident in steam turbine, and National Energy Board's in April, 2014 promulgates new edition《Prevent the 25 of power generation accident
Item important requirement》In the 8.4.1 articles regulation：" steam turbine should configure the lubricating oil accumulator of enough capacity（Such as top petrol tank）, one
Denier grease pump and system jam, accumulator can guarantee that unit safety shut down, do not occur bearing shell burn out, bearing wear ".It is high
Position fuel tank is mainly used in the equipment such as compressor, factory steam turbine in petrochemical industry, metallurgy industry, but domestic large-size steam turbine is not
The experience and achievement for have high-order energy storage tank design, actually putting into operation, and ensure the lubrication of large-size steam turbine safe shutdown coasting operation
Oil mass be the equipment such as compressor, industrial steam turbine several times so that more than ten times, be with 600MW thermal power plants Turbo-generator Set
Example, high-order energy storage fuel tank must be necessarily arranged at more than Turbo-generator Set firing floor 5~8m positions, to meet during unit safety coasting operation
Between lubricating oil total measurement (volume) about 120m needed for 35min3, and steam turbine factory building bottom must configure the low level fuel tank of same volume
To receive the lubricants capacity arranged under top petrol tank, high-order energy storage oil tank system also needs to oil level monitoring, smoke evacuation system, oil and follows in addition
The auxiliary facilities such as ring, oil purification, fire-fighting, whole system investment is huge.Top petrol tank is arranged in steam turbine factory building, turbine generator
On unit operating platform, high-rating generator is all to fill inflammable and explosive hydrogen operation, and top petrol tank is major-minor to steam turbine factory building
Equipment or even whole power plant bring huge fire or explosion safety risk.
The content of the invention
It is an object of the invention to provide a kind of emergent supply turbo-engine lube of safe and simple, economic high-order energy storage
Method.
Realize that the technical scheme that the object of the invention is used is as follows：
The present invention provide high-order energy storage meet an urgent need supply turbo-engine lube method, using elevated tank store water make
It is gravitional force, once the grease pump feed system cisco unity malfunction of steam turbine, that is, discharge the water effect in elevated tank
In the hydraulic turbine, high-order gravitional force and kinetic energy are converted into by mechanical energy by the hydraulic turbine, drive grease pump normal fuel injection.
Further method is that the grease pump sucks lubricating oil from original grease-box bottom, by former lubricating oil
Pipeline can make full use of lubricating oil system existing equipment to Turbo-generator Set each bearing supply lubricating oil, so design,
Without additionally increasing grease-box and lubricating oil, while also ensuring that grease-box oil level can still be moistened when relatively low with normal supply
Lubricating oil.
Water in the release elevated tank acts on the hydraulic turbine to be acted by turbo-engine lube main-piping pressure low switch
Signal is sent, elevated tank is opened to hydraulic turbine pneumatic control stop valve by solenoid valve control automatic interlock, or by running
Personnel control magnetic valve to open pneumatic control stop valve or its bypass valve manually according to actual conditions, or when the full factory's dead electricity of generation
Or when losing the extreme cases such as gas, because pneumatic control stop valve runs out of steam source so as to automatically open up valve by back-moving spring elastic force
Door.
Compared with prior art, beneficial effects of the present invention are as follows：
1）The inventive method uses elevated tank, makes full use of water flow by gravity principle and passive thought to construct a set of brand-new
Fuel feeding emergency system, abandoned traditional mode of the fuel feeding emergency system using generator and electronic device, once occur complete
The extreme cases such as factory has a power failure, Oil pump electrical machinery starts failure, compressed gas source failure, without other extraneous electric power, sources of the gas, methods described
The emergency system of proposition timely automated can put into operation, it is possible to prevente effectively from Turbo-generator Set oil-break burning accident occurs.This
The gravitional force and kinetic energy of water are converted into mechanical energy by inventive method, simplify system, and system input is capable of achieving automation
Without human intervention, while avoiding mechanical energy is reduced with the electric energy efficiency that zone of transformation comes repeatedly and system reliability is reduced etc.
Unfavorable factor.
2）The inventive method can be using common water as energy-accumulating medium, and water tank, pipeline are ordinary carbon steel material, water wheels
Machine draining can directly discharge catch-basin, and can make full use of former unit oxygen-eliminating device and lubricating oil system, only increase by one
The hydraulic turbine and centrifugal oil pump, whole emergency system investment are small, and pollution-free, enforceability is strong, and maintenance cost is low, and does not exist
Fire disaster or explosion safety hidden danger that top petrol tank energy-storage system brings.
3）The fuel feeding emergency system that the inventive method builds also has the low defencive function of anti-grease-box oil level, due to vapour
The grease pump suction inlet of the former lubricating oil system configuration of turbine has certain height away from grease-box bottom, once be
System oil accident, when grease-box oil level is near or below former grease pump suction inlet crude oil pump cannot normal output will occur
Oil-break tile kilning.By grease pump low position, oil pump import is accessed the inventive method from grease-box bottom, and so designing can be with
Lubricating oil system existing equipment is made full use of, increases grease-box and lubricating oil without extra, while also ensuring grease-box
Still can be to each bearing shell normal supply lubricating oil of steam turbine when oil level is relatively low.
The inventive method for large-size steam turbine is provided it is a set of without electric power using water as working medium set up gravitional force as
The oil feeding device of drive energy, it can be ensured that all failed in the alternating current and direct current grease pump of the original configuration of steam turbine
In the case of, also last a set of lube plant directly provides the bearing profit that Turbine Safety shuts down coasting operation using mechanical energy
Lubricating oil amount, it is to avoid serious steam turbine oil-break burning accident occurs.
The present invention both can be used for transformation of the existing hydroturbine lubrication oil for system, it can also be used to the design of new equipment.
Technical scheme is further illustrated below in conjunction with the accompanying drawings.
Brief description of the drawings
Fig. 1 is steam-turbine lubrication oil pump feed system schematic flow sheet.
Fig. 2 is the hydraulic turbine and lubricating oil pump group schematic diagram in the emergent supply turbo-engine lube device of high-order energy storage.
In figure, 1 is elevated tank, and 2 is elevated tank water-level gauge, and 3 is ball valve before pneumatic stopping valve, and 4 is that pneumatic control cuts
Only valve, 5 is ball valve after pneumatic stopping valve, and 6 is pneumatic stopping valve bypass ball valve, and 7 is stop valve before regulating valve, and 8 is self-operated type stream
Adjustable valve, 9 is regulating valve bypass stop valve, and 10 is the hydraulic turbine, and 11 is the transmission devices such as main shaft or gear or belt, 12 be from
Core type grease pump, 13 is lubricating oil system grease-box, and 14 is AC Lub oil pump, and 15 is DC lubricating, and 16 is oil
Turbine or oil ejector, 17 is grease pump outlet non-return valve, and 18 is lubricating oil oil cooler, and 19 is lubricating oil strainer, and 20 is steamer
Owner's oil pump, 21 is steam turbine, and 22 is the self-lubricating bearing of the hydraulic turbine and grease pump, and 23 is flywheel.
Specific embodiment
See Fig. 1, the high-order energy storage that the present invention is provided is met an urgent need the method for supply turbo-engine lube, using elevated tank
The water of 1 storage is used as gravitional force, once the grease pump feed system cisco unity malfunction of steam turbine 21, that is, discharge high-order water
Water in case 1 acts on the hydraulic turbine 10, and high-order gravitional force and kinetic energy are converted into mechanical energy by the hydraulic turbine 10, drives lubrication
The normal fuel injection of oil pump 12.
The inventive method supplies turbine oil system using high-order energy storage is emergent, as shown in Figure 1 and Figure 2, in the system
In：
1）The original grease pump feed system of steam turbine, by lubricating oil system grease-box 13, AC Lub oil pump 14, direct current
Grease pump 15, oil impeller or oil ejector 16, grease pump outlet non-return valve 17, lubricating oil oil cooler 18, lubricating oil strainer 19,
Main oil pump 20 is constituted；When steam turbine 21 normally runs on-load, the main shaft drives main oil pump 20 of steam turbine 21, main oil pump 20 drives profit
The oil impeller or the road direction lubricating oil main pipe of oil ejector 16 1 of arrangement supply lubricating oil, the main oil of a road direction in oil system grease-box 13
The import fuel feeding of pump 20.Auxiliary, standby profit when AC Lub oil pump 14 is opened, shut down as steam turbine 21 or when lubricating oil pressure is low
Oil pump.DC lubricating 15 is when AC Lub oil pump 14 starts failure by the dc source of battery offer to steamer
Machine 21 supplies lubricating oil.Grease pump outlet is designed with outlet non-return valve 17, and lubricating oil is through lubricating oil oil cooler 18, lubricating oil strainer
To each bearing supply lubricating oil of steam turbine 21 after 19, the lubricating oil of each bearing is back to lubricating oil system lubricating oil through oil return pipe
Case 13.
2）The inventive method runs factory building, boiler factory building or other building eminence design and installations one in Turbo-generator Set
Individual dischargeable capacity is VElevated tankCommon enclosed elevated tank 1, preservative treatment, open top supply and discharge are carried out inside elevated tank 1
Gas, elevated tank 1 sets the detection cistern water level of elevated tank water-level gauge 2, and its elevation of bottom is HElevated tank, the ordinary water level of elevated tank 1
Highly it is HCistern water level.In fact, thermal power plant or nuclear power plant's thermodynamic system of steam tur are equipped with oxygen-eliminating device, oxygen-eliminating device utilizes steam
Heating deoxygenation is carried out to condensate, itself is exactly a water tank for high-order arrangement.If effective water capacity and mark of oxygen-eliminating device
It is high reasonable in design, then the elevated tank 1 that oxygen-eliminating device can be proposed as the inventive method completely.
3）Zero meter of the factory building small hydraulic turbine 10 of layer design and installation one is run in Turbo-generator Set, the hydraulic turbine 10 is by high
The water-driven rotation of position water tank 1, the hydraulic turbine 10 uses horizontal arrangement, and water inlet is connected by pipeline with elevated tank 1, water wheels
The tail water of machine 10 connects draft tube and directly arranges catch-basin.The import center line absolute altitude of the hydraulic turbine 10 is HImport, the design head of the hydraulic turbine 10 is
H, design discharge is Q, and design efficiency is η, and rated speed is rThe hydraulic turbine, rated power is N.
4）Zero meter of the factory building banjo lubrication oil pump 12 of layer design and installation one, grease pump 12 are run in Turbo-generator Set
Using the horizontal arrangement of low level, its entrance is accessed from the bottom of lubricating oil system grease-box 13, and outlet is accessed by one way stop peturn valve
Pipeline after former lubricating oil system lubricating oil oil cooler 18 and lubricating oil strainer 19, this design can ensure in fuel tank low oil level
Shi Yiran can urgent fuel feeding, it is also possible to avoid that former lubricating oil strainer 19 or lubricating oil oil cooler 18 are blocked or oil circuit is interrupted and occurred
Lubricating oil oil-break burning accident.Grease pump 12 is direct with the hydraulic turbine 10 using horizontal arrangement without motor-driven
Coaxial connection, the rated speed of grease pump 12 is rOil pump, rated power is NOil pump, metered flow is QOil pump, outlet pressure is POil pump。
5）The Flow-rate adjustment of the hydraulic turbine 10 mainly uses self-operated flow regulator 8, and this kind of regulating valve is that one kind need not be outer
Plus drive energy, it is power source by the pressure of itself by tune medium, the energy-saving control automatically adjusted by setting value is filled
Put, can be without electricity, the place normal work without gas.The tracking grease pump 12 of self-operated flow regulator 8 outlet pressure POil pump,
Water-carrying capacity is controlled to do work by controlling opening of valve.By inlet channel flow and the matched design of the hydraulic turbine 10, Self-operated flow
Still ensure that the equipment such as the hydraulic turbine 10, grease pump 12 in range of safety operation during 8 maximum opening of regulating valve.When relying on oneself
During formula 8 failure of flow control valve, regulating valve bypass stop valve 9 can be by the flow of inlet water of the artificial hydraulic turbine 10 of regulation manually.
6）Because Horizontal small turbine size is small, rotating speed is high, a larger flywheel 23 is increased generally on main shaft to carry
The rotary inertia of the hydraulic turbine high 10.The hydraulic turbine 10 uses self-lubricating bearing 22 with grease pump 12.If the hydraulic turbine 10
Rated speed rThe hydraulic turbineWith the rated speed r of grease pump 12Oil pumpInconsistent, both are passed using simple main shaft or gear or belt etc.
Dynamic device 11 matches both rotating speeds.
7）It is to ensure this method in view of the extreme case that full factory's AC power, dc source, compressed air all fail
Can in time, automatic running supply lubricating oil to steam turbine 21, elevated tank 1 to the pipe design of the hydraulic turbine 10 uses pneumatic control
Stop valve 4, pneumatic control stop valve 4 is air to close pneumatic operated valve, and using compressed air as power source, cylinder sets magnetic valve control
Cylinder exhaust processed, when magnetic valve opening, cylinder intake, compressed air pusher cylinder piston overpowers spring force keeps valve
Fully closed position, the cylinder exhaust when closed electromagnetic valve, back-moving spring makes valve quickly keep standard-sized sheet position by spring force.Magnetic valve can
So that by electric signal remote control, input turbo-engine lube main-piping pressure switch motion interlocked control magnetic valve can be realized
System interlock supplies lubricating oil from trend steam turbine 21.Magnetic valve manually can also quickly be beaten closing control pneumatic stopping valve
Open.Full factory's power supply, compressed air whole failure conditions under, the type valve dead electricity, lose gas can be with fast automatic standard-sized sheet, it is ensured that
The water energy of elevated tank 1 is enough done work from the inflow hydraulic turbine 10 in time.The outlet of grease pump 12 uses one way stop peturn valve 17, it is ensured that oil
Each bearing oil of unidirectional steam supply turbine 21 after pump startup.
The power output of the hydraulic turbine is relevant with flow of inlet water, water inlet head, and the computing formula of its rated output power N is such as
Under：
N=g×Q×H×η （1）
Wherein, N is hydraulic turbine rated output power, unit：kW；Q is Design of Hydraulic Turbine metered flow, unit：m3/s；H is water
The design head of turbine, unit：m；η is the efficiency under hydraulic turbine declared working condition, unit：%；G is acceleration of gravity, unit：m/
s2。
Using the water of elevated tank as water source is driven, the computing formula of the average water head Δ H of the hydraulic turbine is as follows：
ΔH=0.5×HCistern water level+HElevated tank-HImport（2）
Wherein, HCistern water levelOrdinary water level for elevated tank as energy storage when standby, unit：m；HElevated tankIt is elevated tank bottom institute
Place's absolute altitude, unit：m；HImportAbsolute altitude, unit residing for hydraulic turbine inlet pipeline center line：m.
The function of turbo-engine lube is promptly supplied as energy storage in view of elevated tank, to reduce investment as far as possible, with full
Sufficient steam turbine generator promptly destroys t the time required to vacuum shuts down coasting operationIdling timeOn the basis of, to elevated tank, the hydraulic turbine and lubrication
Oil pump carries out Selection and Design.
By taking one 660MW supercritical turbine generator group of certain power plant as an example, one need to be increased with former DC lubricating ginseng
Number identical banjo lubrication oil pump, it is known that its rated power NOil pumpIt is 37kW, rotating speed 1750r/min, flow of lubrication 229m3/
H, then the computing formula of the rated power N of the required hydraulic turbine is as follows：
N =NOil pump/ηTransmission= 37/95%=38.95kW （3）
Wherein, ηTransmissionIt is the hydraulic turbine and the transmission efficiency of grease pump transmission device, the transmission of general gear/belt drive unit
Efficiency is 92%~97%, and 95% is taken here.
The design efficiency η of general small hydraulic turbine is 85%, hydraulic turbine import center line absolute altitude HImportIt is 1m, elevated tank sets
Meter absolute altitude HElevated tankIt is 40m, water tank ordinary water level HCistern water levelIt is 4m, then by formula（1）、（2）、（3）Draw flow Q needed for the hydraulic turbine
Computing formula be：
Q=N /( g×ΔH×η)= 38.95/(9.80665×41×85%)=0.114 m3/s （4）
It is 35min that general steam turbine is promptly destroyed the time required to vacuum shuts down coasting operation, and it is 1.2 to take safety coefficient, then elevated tank
Effective water capacity be：
VElevated tank=1.2×3600×Q×tIdling time/60=287m3（5）
Can be drawn by data above, for one 660MW supercritical turbine generator group of certain power plant, design a 40m high position
Arrangement, the m of volume about 3003The high-order energy-accumulating water tank of left and right can meet an emergent supply lubricating oil for Turbo-generator Set.
For a 660MW supercritical turbine generator group, effective water capacity of general its oxygen-eliminating device is 235 m3, design
Absolute altitude 23m, the normal operating water level 2m of oxygen-eliminating device, condensate when normal full load runs in oxygen-eliminating device are saturated-water phase, its
Saturation pressure is generally 1.0MPa or so, 180 DEG C or so of saturation temperature.
According to formula（1）, the average work(that water supply turbine does work in 42min under calculating oxygen-eliminating device normal full load running status
Rate：
N=9.80665×235×60/(3600×42)×(100+23)×85%=95.6kW （6）
By formula（6）May determine that, the power foot of its saturation water water supply turbine acting under oxygen-eliminating device normal full load running status
Enough meet the lubricating oil fuel feeding that steam turbine is promptly destroyed needed for vacuum shuts down coasting operation.
Extreme case when condensate when just starting in view of unit in oxygen-eliminating device is normal temperature and pressure state, oxygen-eliminating device exists
The mean power that water supply turbine does work in 42min under the running status：
N=9.80665×235×60/(3600×42)×23×85%=17.8kW （7）
By formula（7）May determine that, the power of its condensate water supply turbine acting cannot under oxygen-eliminating device normal temperature and pressure running status
Meet the lubricating oil fuel feeding that steam turbine is promptly destroyed needed for vacuum shuts down coasting operation.
If using oxygen-eliminating device as the elevated tank described in the inventive method, according to formula（3）, in its effective water capacity
Constant situation, its absolute altitude is carried to 50m, then water supply turbine in its condensate 42min under oxygen-eliminating device normal temperature and pressure running status
The mean power of acting：
N=9.80665×235×60/(3600×42)×50×85%=38.7kW （8）
In sum, by effective water capacity and absolute altitude of rationally design oxygen-eliminating device, high-order energy storage described in the inventive method is met an urgent need
Supply turbine oil system can utilize the oxygen-eliminating device in former therrmodynamic system completely, to reduce emergency system to greatest extent
Investment.
Claims (3)
1. a kind of high-order energy storage meet an urgent need supply turbo-engine lube method, it is characterized in that using elevated tank store water
As gravitional force, once the grease pump feed system cisco unity malfunction of steam turbine, that is, discharge the water work in elevated tank
For the hydraulic turbine, high-order gravitional force and kinetic energy are converted into by mechanical energy by the hydraulic turbine, drive grease pump normal fuel injection.
2. high-order energy storage according to claim 1 meet an urgent need supply turbo-engine lube method, it is characterized in that the lubrication
Oil pump sucks lubricating oil from grease-box bottom, and by former lubricating pipe, to Turbo-generator Set, each bearing supplies lubrication
Oil.
3. high-order energy storage according to claim 1 and 2 meet an urgent need supply turbo-engine lube method, it is characterized in that described release
It is to send signal by the action of turbo-engine lube main-piping pressure low switch to put the water in elevated tank and act on the hydraulic turbine, by electricity
Magnet valve control automatic interlock opens elevated tank to hydraulic turbine pneumatic control stop valve, or by operations staff according to actual conditions
Control magnetic valve opens pneumatic control stop valve or its bypass valve manually, or when the full factory's dead electricity of generation or loses the extreme cases such as gas
When, because pneumatic control stop valve runs out of steam source so as to automatically open up valve by back-moving spring elastic force.
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| CN201611240426.XA CN106761971B (en) | 2016-12-29 | 2016-12-29 | A kind of method of the emergent supply turbo-engine lube of high position energy storage |
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|---|---|---|---|
| CN201611240426.XA CN106761971B (en) | 2016-12-29 | 2016-12-29 | A kind of method of the emergent supply turbo-engine lube of high position energy storage |
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| CN106761971B CN106761971B (en) | 2018-10-16 |
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Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110307148A (en) * | 2019-06-27 | 2019-10-08 | 唐钢美锦（唐山）煤化工有限公司 | A kind of coking desulfurization systems pumps cooling water emergency treatment device and technique |
| CN111412026A (en) * | 2019-12-10 | 2020-07-14 | 中国电力工程顾问集团华北电力设计院有限公司 | Lubricating oil supply system allowing DC accident oil pump motor to be started slowly |
| CN114718670A (en) * | 2022-02-28 | 2022-07-08 | 西安热工研究院有限公司 | Self-intelligent adaptive identification method, system and equipment for low and low protection of lubricating oil level of steam turbine |
| CN114934818A (en) * | 2022-05-25 | 2022-08-23 | 西安热工研究院有限公司 | High-position unit, high-position unit operation method and high-position steam turbine system |
| CN115307124A (en) * | 2022-07-11 | 2022-11-08 | 江苏索普新材料科技有限公司 | Safe parking method of sulfur acid production system in power-off state |
Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB1059304A (en) * | 1965-01-25 | 1967-02-15 | Ass Elect Ind | Improvements in or relating to lubricating systems |
| JPH1130685A (en) * | 1997-07-11 | 1999-02-02 | Toshiba Corp | Emergency core cooling system for nuclear reactor |
| CN201326421Y (en) * | 2008-12-10 | 2009-10-14 | 上海电气电站设备有限公司 | Steam turbine lubricating oil supply device |
| CN202228264U (en) * | 2011-09-28 | 2012-05-23 | 华自科技股份有限公司 | Full-high oil pressure Kaplan turbine control system |
| CN104863648A (en) * | 2015-06-02 | 2015-08-26 | 济南达能动力技术有限责任公司 | Steam-driven lubricating oil pump emergency oil supply system and method thereof |
| CN205841341U (en) * | 2016-06-24 | 2016-12-28 | 江苏江海润液设备有限公司 | A kind of Accumulator arrangements device being arranged on lubricating system mother's pipe tube outlet |
-
2016
- 2016-12-29 CN CN201611240426.XA patent/CN106761971B/en active Active
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB1059304A (en) * | 1965-01-25 | 1967-02-15 | Ass Elect Ind | Improvements in or relating to lubricating systems |
| JPH1130685A (en) * | 1997-07-11 | 1999-02-02 | Toshiba Corp | Emergency core cooling system for nuclear reactor |
| CN201326421Y (en) * | 2008-12-10 | 2009-10-14 | 上海电气电站设备有限公司 | Steam turbine lubricating oil supply device |
| CN202228264U (en) * | 2011-09-28 | 2012-05-23 | 华自科技股份有限公司 | Full-high oil pressure Kaplan turbine control system |
| CN104863648A (en) * | 2015-06-02 | 2015-08-26 | 济南达能动力技术有限责任公司 | Steam-driven lubricating oil pump emergency oil supply system and method thereof |
| CN205841341U (en) * | 2016-06-24 | 2016-12-28 | 江苏江海润液设备有限公司 | A kind of Accumulator arrangements device being arranged on lubricating system mother's pipe tube outlet |
Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110307148A (en) * | 2019-06-27 | 2019-10-08 | 唐钢美锦（唐山）煤化工有限公司 | A kind of coking desulfurization systems pumps cooling water emergency treatment device and technique |
| CN111412026A (en) * | 2019-12-10 | 2020-07-14 | 中国电力工程顾问集团华北电力设计院有限公司 | Lubricating oil supply system allowing DC accident oil pump motor to be started slowly |
| CN114718670A (en) * | 2022-02-28 | 2022-07-08 | 西安热工研究院有限公司 | Self-intelligent adaptive identification method, system and equipment for low and low protection of lubricating oil level of steam turbine |
| CN114718670B (en) * | 2022-02-28 | 2024-01-30 | 西安热工研究院有限公司 | Turbine lubrication oil level low protection self-intelligent adaptive identification method, system and equipment |
| CN114934818A (en) * | 2022-05-25 | 2022-08-23 | 西安热工研究院有限公司 | High-position unit, high-position unit operation method and high-position steam turbine system |
| CN114934818B (en) * | 2022-05-25 | 2023-09-01 | 西安热工研究院有限公司 | High-level unit, high-level unit operation method and high-level steam turbine system |
| CN115307124A (en) * | 2022-07-11 | 2022-11-08 | 江苏索普新材料科技有限公司 | Safe parking method of sulfur acid production system in power-off state |
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