CN206299413U - A kind of online recharging oil device of steam-turbine lubricating system - Google Patents
A kind of online recharging oil device of steam-turbine lubricating system Download PDFInfo
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- CN206299413U CN206299413U CN201621332258.2U CN201621332258U CN206299413U CN 206299413 U CN206299413 U CN 206299413U CN 201621332258 U CN201621332258 U CN 201621332258U CN 206299413 U CN206299413 U CN 206299413U
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- oil
- pressurized cylinder
- fuel tank
- main fuel
- valve
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Abstract
The utility model discloses a kind of online recharging oil device of steam-turbine lubricating system, when lubricating oil main fuel tank is sufficient, vavuum pump and pressurized cylinder stay cool, check valve avoids the lubricating oil reflux of lubricating oil main fuel tank to oil drum, operating personnel can be with the situation inside real time inspection transparent panel liquid level gauge observation lubricating oil main fuel tank, if during the low on fuel of system, be carried to automatic fuel supplementing system near lubricating oil main fuel tank by operating personnel, automatic fuel supplementing system is connected with oil filter at oil filter rear entrance valve then, close oil filter oil-feed valve body, open vavuum pump and pressurized cylinder, enter in lubricating oil main fuel tank after then lubricating oil is via oil filter under the suction function, so as to complete oil replenishing process.The present apparatus is solved when the lubricating oil main fuel tank oil level of unit is low, and the mobile oil filter workload of installation is big, time-consuming, is related to the problem that specialty is more, easily cause ground pollution.
Description
Technical field
The utility model is related to thermal power plant's steam turbine steam-turbine lubricating system repairing technical field.
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.
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, but traditional online reconditioner of thermal power plant's grease-box is arranged in zero meter of layer of steam turbine building, and function is to main frame
Lubricating oil carries out on-line filtration.Do not consider that fresh oil adds to main fuel tank design, each main fuel tank oil will pass through when needing repairing
Fresh oil is added to main fuel tank by external mobile oil filter, from install mobile oil filter to will import and export oil pipe be connected to main fuel tank will
Spend more manpower.
In order to improve the efficiency of lubricating system, reduces cost and simple flow, technical staff is in steam-turbine lubricating system
Constantly improvement is carried out in oil supplement method and equipment.In existing Steam Turbine lubricating system, related technical literature has：
Chinese patent【CN103903833】There is provided a kind of " oil immersion type mutual-inductor recharging oil device ", for gold on transformer
The support degree and flexible height for belonging to expander are improved, including lift-bolt, support arm and vertical loading board, the root of support arm with carry
Rise screw rod to be connected by screw thread, the hook end of support arm is provided with studdle, the pallet at the top of studdle and oil immersion type mutual-inductor
It is connected, the lower end of lift-bolt is flexibly connected with the middle part of vertical loading board, the top of lift-bolt is provided with hand handle.The vertical loading board
End be hinged with grapple, the outer of the hook end of grapple correspondence metal expander disk.Compared with prior art, a people can enter
The repairing of slinging of row metal expander disk, instead of the repairing mode under many people participate at present, be the routine work side of providing
Just, more the time has been striven in service work, also substantially increases the security of oil injection operation.But, the device also need to by
Original recharging oil device, needed to assemble recharging oil device before repairing, still wasted more time, and large oil tank does not allow portable
Band.
Chinese patent【CN103000341】There is provided it is a kind of " portable recharging oil device ", including fuel sucking pipe, sucking pump, switch,
Battery compartment and flowline, oil suction, pipe couple with the import of sucking pump, and the outlet of sucking pump couples with flowline, and the tail end of sucking pump is consolidated
Surely the tail end connection for having battery compartment, battery compartment has knob formula to switch, and fuel sucking pipe insertion is placed on high altitude vehicle during repairing operation
Oil drum in and by flowline insertion current transformer top expander after, you can by knob formula switch start sucking pump to electric current
Transformer implements repairing operation.Fuel-displaced part is this structure improved, but, it is desired nonetheless to move big oil drum to eminence, and will
Big oil drum is connected with improved oil outlet structure correspondence, carries work complexity, and the connection of each component is more time-consuming.
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 online recharging oil device of steam-turbine lubricating system, solves the lubricating oil master when unit
When fuel level in tank is low, the mobile oil filter workload of installation is big, time-consuming, is related to the problem that specialty is more, easily cause ground pollution,
Also can convenient and swift repairing in the case of manpower is less, it is ensured that the safe operation of steam turbine.
A kind of online recharging oil device of steam-turbine lubricating system, including oil filter, pressurized cylinder and vavuum pump, the lubricating oil
Main fuel tank upside connection vacuum tube, the other end of vacuum tube is followed by vavuum pump, the inside of lubricating oil main fuel tank by magnetic valve
Two partial right side parts are divided into by by connecting oil filter oil-feed valve body after oil pipe, then accessing by transparent panel liquid level gauge
Oil filter, the left side of oil filter is connected to lubricating oil main fuel tank by oil pipe and oil filter delivery valve again, in entering for foregoing oil filter
A branch is picked out at mouth section, the branch is connected by oil filter rear entrance valve with automatic fuel supplementing system.
The automatic fuel supplementing system includes oil drum, Fill valve, check valve and pressurized cylinder and oil leak feedback element, Fill valve
It is connected with oil drum, its other end connection check valve, check valve is then connected to pressurized cylinder, oil leak feedback section is installed in the front end of pressurized cylinder
Part, its port of export is then connected to oil filter rear entrance valve.
Transparent panel liquid level gauge is housed on the lubricating oil main fuel tank inwall of the steam turbine, low low liquid level, low is denoted respectively
Liquid level, operation liquid level and high level and high level high, are provided with safety level warning line, by setting safe liquid on transparent panel
Face warning line reminds when staff needs to refuel not, and same fluid level markings are presented in face of operator in real time, are easy to reality
When monitor.
The check valve, when mounted it is noted that the direction of check valve 4, when no pressure air in pressurized cylinder, check valve
Open, oil drum is connected with pressurized cylinder, and when there is pressure air in pressurized cylinder, the air of low pressure is converted into mesohigh liquid by pressurized cylinder
Pressure, then under the high pressure effect in pressurized cylinder, make check valve voluntarily close.
Remarkable result of the present utility model is：
1st, the system is a kind of automatic repairing oil-controlling device, by using pressurized cylinder and the coordinative role of check valve, supercharging
In cylinder during no pressure air, check valve is opened, and oil drum is connected with pressurized cylinder, and when there is pressure air in pressurized cylinder, pressurized cylinder will
The air of low pressure is converted into mesohigh hydraulic pressure, then under the high pressure effect in pressurized cylinder, check valve is voluntarily closed, uses machine
Tool formula is switched, safe and reliable, and low cost, it is ensured that the safe operation of steam turbine.
2nd, invest small, transform cycle is short, instant effect reaches dual-use, and repairing is convenient and swift, has saved more people
Power, it is adaptable to the transformation of the existing online reconditioner system of thermal power plant's grease-box.
Brief description of the drawings
Fig. 1 is that the structure and working medium of the present apparatus flow to schematic diagram.
Fig. 2 is that the present apparatus flows to schematic diagram to repairing working medium in lubricating oil main fuel tank.The stream of lubricating oil when wherein B is repairing
To mark；C is that the fuel-displaced flow direction to filter of lubricating oil main fuel tank is identified；D vacuumizes direction signs for vavuum pump.
Fig. 3 is the automatic fuel supplementing system enlarged diagram at the utility model part A.
Wherein：1- lubricating oil main fuel tanks；2- vavuum pumps；3- magnetic valves；4- vacuum tubes；5- transparent panel liquid level gauges；6- oil strains
Device；7- oil filter oil-feed valve bodies；8- oil filter delivery valves；9- oil drums；10- Fill valves；11- check valves；12- pressurized cylinders；13- leaks
Oily feedback element；14- oil pipes；15- oil filter rear entrance valves.
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, and its internal high temperature and heavy duty cause working environment more severe, it is therefore necessary to ensure
The oil supply system of lubricating oil keeps good state, should emphasis inspection vavuum pump 2 and oil filter 6 before device is operated
Work it is whether normal, this is the precondition of lubricating system normal work, then the pressurized cylinder 12 of detection automatic fuel supplementing system
It is whether intact with check valve 11, while ensureing that each parts have carried out reliable connection, it is to avoid the appearance of security incident and leakage,
Then pressurized cylinder 12 is opened in the way of no-load running, Fill valve 10 and oil filter rear entrance valve 15, vavuum pump 2, observation is opened
Whether the flow process of working medium is normal, especially simulates whether automatic fuel supplementing system when magnetic valve 3 is closed can in time stop repairing,
So far device completes preparation.
When needing the liquid level using present apparatus lubricating oil main fuel tank 1 to be less than licensing requirement, operating personnel are by automatic repairing
System is connected with oil filter 6, closes oil filter oil-feed valve body 7, oil filter delivery valve 8 and oil filter rear entrance valve 15, opens true
Empty pump 2 and pressurized cylinder 12, enter in lubricating oil main fuel tank 1, so that complete after then lubricating oil is via oil filter 6 under the suction function
Into oil replenishing process.After completing repairing, magnetic valve 3 is closed, and vavuum pump 2 stops, and no pressure air in pressurized cylinder 12, check valve 11 is opened
Open, oil drum 9 is connected with pressurized cylinder 12, when having pressure air in pressurized cylinder 12, during be converted into for the air of low pressure by pressurized cylinder 12
High-pressure and hydraulic, then under the high pressure effect in pressurized cylinder 12, make check valve 11 voluntarily close, be then turned off oil filter rear entrance
Valve 15, operating personnel remove automatic fuel supplementing system.
Claims (4)
1. a kind of online recharging oil device of steam-turbine lubricating system, including oil filter（6）, pressurized cylinder（12）And vavuum pump（2）, its
It is characterised by：Lubricating oil main fuel tank（1）Upside connects vacuum tube（4）, vacuum tube（4）The other end pass through magnetic valve（3）It is followed by
To vavuum pump（2）, lubricating oil main fuel tank（1）Inside pass through transparent panel liquid level gauge（5）It is divided into two parts, right part passes through
Oil pipe（14）Oil filter oil-feed valve body is connected afterwards（7）, then access oil filter（6）, oil filter（6）Left side again pass through oil pipe
（14）With oil filter delivery valve（8）It is connected to lubricating oil main fuel tank（1）, in foregoing oil filter（6）Entrance at pick out one point
Branch, the branch passes through oil filter rear entrance valve（15）It is connected with automatic fuel supplementing system.
2. the online recharging oil device of steam-turbine lubricating system according to claim 1, it is characterised in that：The automatic repairing
System includes oil drum（9）, Fill valve（10）, check valve（11）And pressurized cylinder（12）And oil leak feedback element（13）, Fill valve
（10）With oil drum（9）Connection, its other end connection check valve（11）, check valve（11）Then it is connected to pressurized cylinder（12）, in pressurized cylinder
（12）Front end install oil leak feedback element（13）, its port of export is then connected to oil filter（6）Rear entrance valve.
3. the online recharging oil device of steam-turbine lubricating system according to claim 1, it is characterised in that：The steam turbine
Lubricating oil main fuel tank（1）Transparent panel liquid level gauge is housed on inwall（5）, denote respectively low low liquid level, low liquid level, operation liquid level and
High level and high level high, are provided with safety level warning line on transparent panel, work is reminded by setting safety level warning line
Make when personnel need to refuel not, same fluid level markings are presented in face of operator in real time, are easy to monitor in real time.
4. the online recharging oil device of steam-turbine lubricating system according to claim 2, it is characterised in that：The check valve
（11）, when mounted it is noted that check valve（11）Direction, work as pressurized cylinder（12）During middle no pressure air, check valve（11）Open
Open, oil drum（9）With pressurized cylinder（12）Connection, works as pressurized cylinder（12）In when having pressure air, pressurized cylinder（12）By the air of low pressure
It is converted into mesohigh hydraulic pressure, then in pressurized cylinder（12）In high pressure effect under, make check valve（11）Voluntarily close.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201621332258.2U CN206299413U (en) | 2016-12-08 | 2016-12-08 | A kind of online recharging oil device of steam-turbine lubricating system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201621332258.2U CN206299413U (en) | 2016-12-08 | 2016-12-08 | A kind of online recharging oil device of steam-turbine lubricating system |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN206299413U true CN206299413U (en) | 2017-07-04 |
Family
ID=59211856
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201621332258.2U Expired - Fee Related CN206299413U (en) | 2016-12-08 | 2016-12-08 | A kind of online recharging oil device of steam-turbine lubricating system |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN206299413U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108591038A (en) * | 2018-07-23 | 2018-09-28 | 江苏亨通精工金属材料有限公司 | A kind of high-pressure pump intelligence control system based on PLC |
| CN113375060A (en) * | 2021-06-06 | 2021-09-10 | 中国长江电力股份有限公司 | Emergency oil supplementing device and method for pressure container of hydraulic system of hydraulic turbine speed regulator |
-
2016
- 2016-12-08 CN CN201621332258.2U patent/CN206299413U/en not_active Expired - Fee Related
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108591038A (en) * | 2018-07-23 | 2018-09-28 | 江苏亨通精工金属材料有限公司 | A kind of high-pressure pump intelligence control system based on PLC |
| CN108591038B (en) * | 2018-07-23 | 2024-05-17 | 江苏亨通精工金属材料有限公司 | High-pressure pump intelligent control system based on PLC |
| CN113375060A (en) * | 2021-06-06 | 2021-09-10 | 中国长江电力股份有限公司 | Emergency oil supplementing device and method for pressure container of hydraulic system of hydraulic turbine speed regulator |
| CN113375060B (en) * | 2021-06-06 | 2022-07-19 | 中国长江电力股份有限公司 | Emergency oil supplementing device and method for pressure container of hydraulic system of hydraulic turbine governor |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20170704 Termination date: 20171208 |