CN206299415U - Steam turbine alternating current-direct current jacking(oil) pump oil supply system - Google Patents
Steam turbine alternating current-direct current jacking(oil) pump oil supply system Download PDFInfo
- Publication number
- CN206299415U CN206299415U CN201621329223.3U CN201621329223U CN206299415U CN 206299415 U CN206299415 U CN 206299415U CN 201621329223 U CN201621329223 U CN 201621329223U CN 206299415 U CN206299415 U CN 206299415U
- Authority
- CN
- China
- Prior art keywords
- oil
- pump
- jacking
- steam
- direct current
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired - Fee Related
Links
Abstract
The utility model discloses a kind of steam turbine alternating current-direct current jacking(oil) pump oil supply system, steam-turbine lubrication fuel tank is oily for storing using for whole lubricating system, liquid level gauge is installed in the inside of steam-turbine lubrication fuel tank, AC Lub oil pump, the critical oil pump of direct current is connected after being set up in parallel with steam-turbine lubrication fuel tank, and lubricating oil is pumped directly to main oil pump, main oil pump is responsible for providing seal oil to generator, another oil circuit being connected with steam turbine then first passes through oil filter, then three tunnels are divided to enter exchange jacking(oil) pump, with direct current jacking(oil) pump, usual direct current jacking(oil) pump is in stand-by state, grease pump is delivered to separating valve by subsequent foregoing two kinds of oil pumps, grease pump is delivered to and lubrication is completed at the bearing of steam turbine apical axis by subsequent separating valve.The present apparatus solve when Power Plant AC power supply system break down need it is out of service when, do not occur steam turbine apical axis because lack lubricating oil and caused by tile kilning, big axle fracture accident problem.
Description
Technical field
The utility model is related to lubricating oil fueling technology field, is particularly suited for thermal power plant's steam turbine steam turbine oil supply system.
Background technology
Thermal power generation is to utilize burning fuel（Coal, oil and its product, natural gas etc.）Resulting heat energy power-generating, it is existing
The generating set in the thermal power plant in technology has two kinds of principal modes of Turbo-generator Set and Gas Turbine Generating Units.Its
In, in Turbo-generator Set, combustion heating water makes into steam to fuel in the boiler, and the chemical energy of fuel is transformed into heat energy；Steam
Steam pressure promotes power generation turbine rotation, and heat energy is converted into mechanical energy；Then power generation turbine drives generator rotation, will
Mechanical energy is transformed into electric energy；Meanwhile, the steam condensation Cheng Shuizai of electricity is distributed from feed pump continuously toward injecting water in boiler,
So that whole power generation process circulation is carried out in an orderly manner.
Steam turbine is in the course of the work, it is desirable to which the parts such as the sliding bearing on its main shaft, speed-changing gear box, speed regulator are held
Continuous lubrication.It is provided with lubricating oil system in generating set steam turbine, its main task is each bearing (bag to Turbo-generator Set
Include spring bearing and thrust bearing), shaft coupling and barring gear qualified lubrication, cooling oil is provided.In the prior art, for sending out
The big steam turbine and feed pump small turbine of electricity are all respectively equipped with independent lubricating system, and the lubrication oil supply to both enters respectively
Row control.3 steam turbines are accomplished by being equipped with 3 sets of different lubricating systems, and lubricating system is by oil pump, oil line pipe and various valves
Door is constituted, and 3 sets of different lubricating system occupations of land are huge, and wasting of resources phenomenon is serious, meanwhile, live oil circuit is sufficiently complex, oil pressure
It is unable to synergic adjustment, it is cumbersome in actual production, easily produce accident.
In order to improve the efficiency of lubricating system, reduces cost and simple flow, bearing lubrication of the technical staff in steam turbine
Constantly improvement is carried out on the method and apparatus of system.In existing Steam Turbine lubricating system, related technical literature
Have：
Chinese invention patent【201110078326.2】Disclose " a kind of big small turbine of power plant shares lubricating system ", wrap
Include oil feed pump, fuel tank, filter, cooling device and oil line pipe；The lubricating system is a centralized oil supply station, lubricating oil by
Oil feed pump is pumped out from fuel tank, and two-way oil line pipe is divided into after cooling device and filter, at the same to power generation turbine and
Feed pump turbine fuel feeding.The system meets the demand of multiple equipment by the way of centralized oil supply, although saved number of devices
Amount and cost, but the stoppage in transit risk for facing is also very big, and the reliability requirement to lubricating system is very high.
Chinese invention patent【201380079309.8】Disclose " a kind of thermal power generation unit steam-turbine lubricating system ", wrap
Include including：At least one lubricating pump, for lubricant pump to be sent into the bearing, and at least one metering valve, for that will pump
Lubricant distribution through whole lubricating system to the bearing.The system also include lubrication controller, its with it is described at least
One lubricating pump and at least one metering valve communicate, for controlling the lubricating system.The controller have be configured to provide
Command sequence performs the hardware of the particular task to perform the firmware of particular task and carry out the command sequence.Do not matching somebody with somebody
In the state of putting and being not connected with, the lubrication controller can be configured by reprograming the firmware, with optionally
At least one of a series of lubricating systems step by step of control, two line lubrication system and the parallel lubricating system of single line.The system is utilized
Various fuel system improve the reliability of system, i.e. ac pump, main pump, straightway pump, and system is huge, complex structure is standby
Mode is more, causes equipment cost high.
In sum, existing steam-turbine lubricating system is primarily present that system architecture is complicated, huge, and reliability is not high to ask
Topic.
The content of the invention
The utility model provides a kind of steam turbine AC-to-DC jacking(oil) pump oil supply system, solves when Power Plant is handed over
Stream power-supply system breaks down when needing out of service, do not occur steam turbine apical axis because lack lubricating oil and caused by tile kilning, big
The problem of axle fracture accident, it is ensured that the safe operation of steam turbine.
A kind of steam turbine AC-to-DC jacking(oil) pump oil supply system, including exchange jacking(oil) pump and direct current jacking(oil) pump, steamer
Machine grease-box is arranged on design and installation position, and direct current jeopardizes oil pump and AC Lub oil pump is installed side by side, and by same
To steam-turbine lubrication fuel tank, both directly deliver at main oil pump grease pump after being connected with oil syringe root oil pipe section, the master
Oil pump is connected by pipeline with the installing positions of bearings of generator, and injects extreme pressure lubricant, foregoing steam turbine to bearing
The grease-box other end is connected to oil filter by pipeline, and the other end of the oil filter is divided into three branch roads, is respectively connecting to
Two exchange jacking(oil) pumps and a direct current jacking(oil) pump, then exchange jacking(oil) pump and grease pump are delivered into separating valve, point oil
Then be lubricated for the bearing that lubricating oil is sent to thrust box, generator and collector ring by valve, the oil return of the position of each lubrication
Oil return seal box in sky side is flow to by pipeline, two explosion-proof fans are installed on the top of the empty side oil return seal box.
Steam-turbine lubrication fuel tank inside is equipped with liquid level gauge, denote respectively low low liquid level, low liquid level, operation liquid level and
High level and high level high, different fluid level markings are presented in face of operator in real time, are easy to monitor in real time.
The exchange jacking(oil) pump and direct current jacking(oil) pump are installed side by side, and two can work simultaneously, it is also possible to independent work
Make, and when one of failure, another maximal work ability can equally meet the demand of system.
The system is based on the thought of Redundancy Design, is mounted with that AC and DC is two kinds of in lubrication oil supply system
Oil pump, solves when the failure of Power Plant AC power supply system needs out of service, the steam turbine jacking oil system
System still can normally be run, do not occur turbine rotor because lack lubricating oil and caused by tile kilning, big axle fracture accident, it is ensured that
The safe operation of steam turbine.The system invests small, instant effect, is particularly suited for thermal power plant's steam turbine small turbine lubricating oil system
Technological transformation.
Brief description of the drawings
Fig. 1 is that the structure and working medium of the system flow to schematic diagram.
Fig. 2 is the structure enlarged diagram at the utility model part B.
Fig. 3 is the structure enlarged diagram at the utility model part A.
Wherein：1- steam-turbine lubrication fuel tanks；2- direct currents jeopardize oil pump；3- AC Lub oil pumps；4- oil return filter screens；5- liquid levels
Meter；6- oil guide pipes；7- seals emergency bearing oil pump；8- oil filters；9- fuel turn manifold pump control valves；10- direct current oil pump control valves；11- is straight
Stream jacking(oil) pump；12- exchanges jacking(oil) pump；13- separating valves；14- main oil pumps；15- thrust boxs；16- low pressure (LP) cylinders A；17- is low
Cylinder pressure B；18- generators；19- collector rings；20- explosion-proof fans；21- sky side oil return seal boxs；22- oil syringes.
Specific embodiment
Compares figure 1, to ensure that the present apparatus realizes expected function, needs to carry out to being illustrated shown in Fig. 3 before work
Preparation, steam turbine belongs to jumbo, its internal high temperature and heavy duty cause working environment more severe, and lubricating system has
Important influence can be produced without the work with working condition to equipment, should emphasis inspection exchange profit before device is operated
Oil pump 3, direct current jeopardize oil pump 2, oil syringe 14 work it is whether normal, and positioned at 1 another oil of steam-turbine lubrication fuel tank
The exchange jacking(oil) pump on road, the working condition of direct current jacking(oil) pump 2 and fuel turn manifold pump control valve 9, the and of direct current oil pump control valve 10
Whether the work of separating valve 13 is normal, while ensureing that each parts have carried out reliable connection, it is to avoid security incident occurs and lets out
The appearance of leakage, then can open fuel turn manifold pump control valve 9 and direct current oil using the mode of the exchange no-load running of jacking(oil) pump 3
Whether pump control valve 10, the flow process for observing working medium is normal, especially direct current jacking oil during 3 failure of analog AC jacking(oil) pump
Whether pump 2 can in time start the requirement that whether system is met with stability, and so far device completes preparation.
It is extraneous when needing to carry out thrust box 15 and generator 18, the lubrication operation of collector ring 19 using the present apparatus
Lubricating oil flow into inside steam-turbine lubrication fuel tank 1, the critical oil pump 2 of AC Lub oil pump 3, direct current be set up in parallel after and steam turbine
Grease-box 1 is connected, and lubricating oil is pumped directly into main oil pump 14, and main oil pump 14 is responsible for providing sealing use to generator 18
Oil, another oil circuit being connected with steam turbine then first passes through oil filter 8, then divides three tunnels to enter exchange jacking(oil) pump 3 and direct current
Jacking(oil) pump 2, is generally in stand-by state to stream jacking(oil) pump 3, and direct current jacking(oil) pump 2 starts during exchange 3 failure of jacking(oil) pump,
Grease pump is delivered to separating valve 13 by subsequent foregoing two kinds of oil pumps, and grease pump is delivered to steam turbine apical axis by subsequent separating valve 13
Lubrication is completed at bearing.
Claims (3)
1. a kind of steam turbine AC-to-DC jacking(oil) pump oil supply system, including exchange jacking(oil) pump（12）With direct current jacking(oil) pump
（11）, it is characterised in that：Steam-turbine lubrication fuel tank（1）Installed in design and installation position, direct current jeopardizes oil pump（2）With exchange apical axis
Oil pump（12）Install side by side, and by same oil pipe section to steam-turbine lubrication fuel tank（1）, both and oil syringe（22）Series connection
Grease pump is directly delivered into main oil pump afterwards（14）Place, the main oil pump（14）By pipeline and generator（18）Bearing install
Position connects, and injects extreme pressure lubricant, foregoing steam-turbine lubrication fuel tank to bearing（1）The other end is connected to by pipeline
Oil filter（8）, the oil filter（8）The other end be divided into three branch roads, be respectively connecting to two exchange jacking(oil) pumps（12）With
One direct current jacking(oil) pump（11）, then exchange jacking(oil) pump（12）Grease pump is delivered into separating valve（13）, separating valve（13）
Then lubricating oil is sent to thrust box（15）, generator（18）And collector ring（19）Bearing be lubricated, each lubrication
The oil return of position flow to sky side oil return seal box by pipeline（21）, in the empty side oil return seal box（21）Top be provided with
Two explosion-proof fans（20）.
2. steam turbine AC-to-DC jacking(oil) pump oil supply system according to claim 1, it is characterised in that：The steam turbine
Grease-box（1）Inside is equipped with liquid level gauge（5）, low low liquid level, low liquid level, operation liquid level and high level and height are denoted respectively
High level, different fluid level markings are presented in face of operator in real time, are easy to monitor in real time.
3. steam turbine AC-to-DC jacking(oil) pump oil supply system according to claim 1, it is characterised in that：The exchange top
Shafting oil pump（12）With direct current jacking(oil) pump（11）Install side by side, two can work simultaneously, it is also possible to work independently, and when it
In another maximal work ability when breaking down can equally meet the demand of system.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201621329223.3U CN206299415U (en) | 2016-12-08 | 2016-12-08 | Steam turbine alternating current-direct current jacking(oil) pump oil supply system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201621329223.3U CN206299415U (en) | 2016-12-08 | 2016-12-08 | Steam turbine alternating current-direct current jacking(oil) pump oil supply system |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN206299415U true CN206299415U (en) | 2017-07-04 |
Family
ID=59212503
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201621329223.3U Expired - Fee Related CN206299415U (en) | 2016-12-08 | 2016-12-08 | Steam turbine alternating current-direct current jacking(oil) pump oil supply system |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN206299415U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110566291A (en) * | 2019-09-30 | 2019-12-13 | 兖矿国宏化工有限责任公司 | Turbine lubricating oil pump control system and control method |
-
2016
- 2016-12-08 CN CN201621329223.3U patent/CN206299415U/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110566291A (en) * | 2019-09-30 | 2019-12-13 | 兖矿国宏化工有限责任公司 | Turbine lubricating oil pump control system and control method |
| CN110566291B (en) * | 2019-09-30 | 2022-04-12 | 兖矿国宏化工有限责任公司 | Turbine lubricating oil pump control system and control method |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN201594038U (en) | Overall flushing tester for aircraft engines | |
| CN107013673B (en) | Wind turbine generator gearbox lubrication system and fault monitoring method of temperature control valve of wind turbine generator gearbox lubrication system | |
| CN101806250A (en) | Be used for the used heat utilization of pre-heating fuel | |
| CN106523303A (en) | Interaction heat dissipation device and method used for wind power generation reduction gear box | |
| CN209129693U (en) | A kind of novel lubricating petrol station system | |
| CN104879173A (en) | Standby oil supply device of lubricating system for bearings of spindles of large power generation sets | |
| CN207701324U (en) | A kind of large-scale compressor lubricating system | |
| CN102392694A (en) | Heating cogeneration generator unit | |
| CN105909961A (en) | Lubricating system with multiple emergency functions and controlling method thereof | |
| CN109340544A (en) | The pressure oil tank oil supply system of large-size horizontal sliding bearing | |
| CN104864080A (en) | Megawatt-level fan transmission lubricating system | |
| CN206299415U (en) | Steam turbine alternating current-direct current jacking(oil) pump oil supply system | |
| CN206093462U (en) | Lubricating system with multiple emergent function | |
| CN113405008A (en) | Intelligent externally-hung type oiling device for crown block | |
| CN202370596U (en) | Heating heat supply combined heat and power generation power generator set | |
| CN209278814U (en) | The pressure oil tank oil supply system of large-size horizontal sliding bearing | |
| CN206737960U (en) | A kind of activation system of the high voltage startup oil pump with automatic oiling | |
| CN206299413U (en) | A kind of online recharging oil device of steam-turbine lubricating system | |
| CN206816801U (en) | A kind of center drive speed reducer Lubricating-oil Station | |
| CN207145021U (en) | A kind of steam-turbine lubrication EFM Electronic Fuel Management for the production of vanadium ferrotianium | |
| CN216345315U (en) | Intelligent externally-hung type oiling device for crown block | |
| CN104989468A (en) | Turbine oil feeding system with centrifugal oil pump | |
| CN106286790B (en) | A kind of heat dissipating method of combined radiating device for wind-power electricity generation reduction gear box | |
| CN105545382A (en) | Lubricating system for steam turbine of thermal generator set | |
| CN203335147U (en) | Lubricating oil system of turbo generator set |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20170704 Termination date: 20171208 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |