CN206035547U - Turbine adjustment device - Google Patents
Turbine adjustment device Download PDFInfo
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- CN206035547U CN206035547U CN201621078039.6U CN201621078039U CN206035547U CN 206035547 U CN206035547 U CN 206035547U CN 201621078039 U CN201621078039 U CN 201621078039U CN 206035547 U CN206035547 U CN 206035547U
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- filter
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Abstract
The utility model relates to a million multikilowatt nuclear power station key technology technical field, concretely relates to turbine adjustment device to among the prior art during proruption main gas valve pilot oil incident of leakage, mends according to original mode of operation that the oil mass is little, to mend oily speed slow, has the problem of jumping quick -witted risk, the utility model provides a turbine adjustment device, oil is mended through newly -increased pipeline to the system to unable quick problem of mending oil in time after leaking to steam turbine main gas valve pilot oil, improves former system main fuel tank liquid level definite value, drops to the human intervention time that increases before low liquid level triggers the automatic machine of jumping at the main fuel tank oil level, for in time discovery and solve the problem have striven for the time, avoids intervening the untimely seriously incident such as jump machine that arouses.
Description
Technical field
This utility model is related to million kilowatt nuclear power station key technology technical field, and in particular to a kind of Steam Turhine Adjustment
Device.
Background technology
Steam turbine for nuclear power station adjusts the major function of oil system (GFR) to be protected for steam turbine control system (GRE), steam turbine
Protecting system (GSE) provides the qualified power oil of quality and protection oil, realizes that steam turbine turns by the power oil mass for supplying GRE/GSE
Velocity modulation section and trip protection function, steam turbine adjusting oil (GFR) system are extremely important to the safe and stable operation of whole steam turbine.
It is system fuel feeding that L3/4GFR steam turbine generators of the prior art adjust oil system now to pass through a main fuel tank,
Lack the emergent online supplementary device of regulation oil.Due to adjusting sampling loss in oil system, a small amount of oil leak of interface such as valve, equipment with
And the discharge of system etc., after longtime running, main fuel tank will necessarily be reduced, and be up to additionally, due to system oil operating pressure
120bar, oil leak speed, if once there is oil leak in system high pressure valve and plug, it will produce the wind for adjusting shortage of oil
Danger, consequently, it is possible to affecting the operation of governing system, may cause to shut down when serious.
Utility model content
When this utility model is for burst adjusting air valve/main air valve power oil in prior art and protection oil incident of leakage,
According to original operator scheme repairing amount is little, repairing speed slow, there is chaser risk, there is provided a kind of Steam Turhine Adjustment dress
Put, for after power oil and protection oil leakage cannot quick repairing in time problem, increase artificial dry before automatic chaser is triggered
Pre- time, it is to avoid chaser is actually occurred.
This utility model is achieved through the following technical solutions the purpose：
A kind of Steam Turhine Adjustment device, is connected with the main fuel tank of steam turbine adjusting oil system, and the adjusting means is included simultaneously
The reserve fuel tank of connection connection, oil return receiving magazine and filter element, the outlet of the filter element respectively with reserve fuel tank, oil return
The import connection of receiving magazine and main fuel tank, the outlet of reserve fuel tank, oil return receiving magazine and main fuel tank respectively with filter element
Import connection, the import and export of the main fuel tank, reserve fuel tank, oil return receiving magazine and filter element is respectively arranged with isolation
Valve.
Further, the two ends of the adjusting means are respectively arranged with standby punching/oil extraction interface, and described two standby punchings/
The 9th valve, the tenth valve is respectively arranged with oil extraction interface.
Wherein, the filter element includes filter and the oil pump connected by pipeline, also includes being connected with the oil pump
Motor and electric cabinet, be provided with pressure gauge on the pipeline.
Used as preferred scheme, the filter includes grade one filter and the secondary filter connected, the one-level mistake
The filtering accuracy of filter is 5 μm, and the filtering accuracy of secondary filter is 1 μm.
Further, the grade one filter and secondary filter are provided with bypass valve and visually/electric signal pressure reduction
Signalling generator.
As preferred, also including overflow valve, the overflow valve is connected in parallel with oil pump.
Wherein, the adjusting means is fixed on a support, and the filter element is arranged on the bottom of support, standby
Fuel tank, oil return receiving magazine are arranged on the top of support.
Wherein, the import and export of the reserve fuel tank is respectively arranged with the first valve, the second valve, the oil return receiving magazine
Import and export be respectively arranged with the 3rd valve, the 4th valve, the import and export of the filter element be respectively arranged with the 5th valve,
6th valve, the import and export of the main fuel tank are respectively arranged with the 7th valve, the 8th valve.
A kind of application process of Steam Turhine Adjustment device, comprises the following steps：
Main fuel tank on-line filtration：The 5th valve, the 6th valve, the 7th valve, the 8th valve is separately turned on, other valves are equal
Close, open filter element work so that the power oil in main fuel tank flows back to main fuel tank after circulating through the filtration of filter element,
Complete the on-line filtration to power oil in main fuel tank；
Reserve fuel tank on-line filtration：It is separately turned on the first valve, the second valve, the 5th valve, the 6th valve, other valves
It is turned off, opens filter element work so that the power oil in reserve fuel tank flows back to standby after circulating through the filtration of filter element
With fuel tank, the on-line filtration to power oil in reserve fuel tank is completed；
Reserve fuel tank supplements power oil to main fuel tank, can be realized by following any one mode：
A, by flow by gravity repairing：The second valve, the 8th valve is opened, other valves are turned off, in reserve fuel tank
Power oil flow to main fuel tank under gravity certainly；
Repairing after b, filtration：The second valve, the 5th valve, the 6th valve, the 7th valve is separately turned on, other valves are closed
Close, open filter element work so that the power oil in reserve fuel tank flows into main fuel tank after the filtration of filter element；
Main fuel tank moves back oil to oil return receiving magazine：The 8th valve, the 5th valve, the 6th valve, the 3rd valve is separately turned on, its
Its valve is turned off, and opens filter element work, under the dynamic action of filter element is delivered to the power oil in main fuel tank
Oil return receiving magazine；
Oil return receiving magazine is to main fuel tank oil-feed：The 4th valve, the 5th valve, the 6th valve, the 7th valve is separately turned on, its
Its valve is turned off, and opens filter element work so that the power oil in oil return receiving magazine is flowed after the filtration of filter element
Enter main fuel tank；
Oil return receiving magazine is standby each other with reserve fuel tank：Be separately turned on the 4th valve, the 5th valve, the 6th valve, first
Valve, other valves are turned off, and open filter element work so that mistake of the power oil in oil return receiving magazine through filter element
Reserve fuel tank is flowed into after filter；
System initial prime, including to main fuel tank initial prime and to reserve fuel tank initial prime：
To main fuel tank initial prime：The tenth valve, the 5th valve, the 6th valve, the 7th valve is separately turned on, other valves
It is turned off, power oil is filled with main fuel tank after filter element filtration from outside；
To reserve fuel tank initial prime：The tenth valve, the 5th valve, the 6th valve, the first valve is separately turned on, other valves
Door is turned off, and is filled with reserve fuel tank power oil from outside after filter element filtration.
Relative to prior art, the beneficial effects of the utility model are：
When adjusting oily incident of leakage for the adjusting air valve/main air valve that happens suddenly in prior art, according to original operator scheme
Repairing amount is little, repairing speed slow, there is chaser risk, and this utility model provides a kind of Steam Turhine Adjustment device, for
After Steam Turhine Adjustment air valve/main air valve power oil and protection oil leakage cannot quick repairing in time problem, by increasing pipeline newly
To system repairing, original system main fuel tank liquid level definite value is improved, steam turbine trip is triggered after main fuel tank oil level drops to low low liquid level
The front increase human intervention time, is to find in time and solve problem has striven for the time, it is to avoid intervention causes chaser etc. tight not in time
Weight event.
Description of the drawings
Fig. 1 is the pipeline connection diagram of Steam Turhine Adjustment device of the present utility model.
Fig. 2 is the structural representation of Steam Turhine Adjustment device of the present utility model.
Fig. 3 is the structural representation of filter element of the present utility model.
Fig. 4 is the top view of filter element of the present utility model.
Fig. 5 is the pipeline connection diagram of filter element of the present utility model.
In figure：1- main fuel tanks, 2- reserve fuel tanks, 3- oil return receiving magazines, 4- filter elements, 5- pipelines, the 9th valves of 6-, 7-
Tenth valve, 8- oil pumps, 9- motors, 10- pressure gauges, 11- grade one filters, 12- secondary filters, 13- bypass valves, 14- mesh
Depending on/electric signal differential pressure transmitter device, 15- overflow valves, 16- supports, the first valves of 17-, the second valves of 18-, the 3rd valves of 19-, 20-
4th valve, the 5th valves of 21-, the 6th valves of 22-, the 7th valves of 23-, the 8th valves of 24-, 25- liquidometers.
Specific embodiment
This utility model is described in detail below in conjunction with drawings and the specific embodiments.
Embodiment 1.
As shown in figure 1, a kind of Steam Turhine Adjustment device of the present embodiment, is connected with the main fuel tank 1 of steam turbine adjusting oil system
Connect, the adjusting means includes reserve fuel tank 2, oil return receiving magazine 3 and the filter element 4 being connected in parallel, the filter element 4
Outlet be connected with the import of reserve fuel tank 2, oil return receiving magazine 3 and main fuel tank 1 respectively, reserve fuel tank 2, oil return receiving magazine 3
And the outlet of main fuel tank 1 is connected with the import of filter element 4 respectively, the main fuel tank 1, reserve fuel tank 2, oil return receiving magazine 3
And the import and export of filter element 4 is respectively arranged with isolating valve.
Wherein, the import and export of the reserve fuel tank 2 is respectively arranged with the first valve 17, the second valve 18, and the oil return connects
The import and export for receiving case 3 is respectively arranged with the 3rd valve 19, the 4th valve 20, and the import and export of the filter element 4 is respectively provided with
The import and export for having the 5th valve 21, the 6th valve 22, the main fuel tank 1 is respectively arranged with the 7th valve 23, the 8th valve 24.
This utility model for steam turbine main air valve adjust after oil leakage cannot quick repairing in time problem, by newly-increased
Pipeline improves 1 liquid level definite value of original system main fuel tank to system repairing, it is to avoid 1 oil level of main fuel tank causes after dropping to low low liquid level
Steam turbine trip, increases the human intervention time before automatic chaser is triggered, and is to find in time and solve problem has striven for the time, it is to avoid
Intervention causes the matters of aggravation such as chaser not in time.
Specifically, when system occurs oil leak, 1 oil level of main fuel tank drops to alarming value, and master control shwoot is reported to the police, and operator is true
After recognizing the true reduction of liquid level, emergency oil stand-by provision is manually booted, mended to system main fuel tank 1 by newly-increased emergency oil stand-by provision
Oil, it is to avoid 1 oil level of main fuel tank causes steam turbine trip after dropping to low low liquid level.
When needing to keep in repair main fuel tank 1, reserve fuel tank 2 or during maintenance work, can be temporary transient by the power oil in device
Store to oil return receiving magazine 3, without emptying completely from emergency oil stand-by provision, simplify operating process, be conducive to
Greatly improve efficiency.
Further, the two ends of the adjusting means are respectively arranged with standby punching/oil extraction interface, and described two standby punchings/
The 9th valve 6, the tenth valve 7 is respectively arranged with oil extraction interface.
The operation such as the external oil drum of system conversion fresh oil, system initial prime is not only convenient for, maintenance flow is optimized, but also
New filter element 4 or miscellaneous equipment can further be concatenated by the 9th valve 6, the tenth valve 7, further improve this practicality
The filter capacity and repairing ability of new emergency oil stand-by provision.
As in Figure 3-5, the filter element 4 includes the filter connected by pipeline 5 and oil pump 8, also includes and institute
The motor 9 and electric cabinet of the connection of oil pump 8 is stated, pressure gauge 10 on the pipeline 5, is provided with.
In order to ensure smooth flow of the power oil between oil return receiving magazine 3, reserve fuel tank 2 and main fuel tank 1, by bag
Reserve fuel tank 2 and main fuel tank 1, and oil return receiving magazine 3 and main fuel tank 1 are gone here and there by filter element 4 containing filter and oil pump 8 respectively
A loop is unified into, or individually carries out removal of impurity filtration to some function fuel tank, improved steam turbine adjusting oil oil, improve and adjust
Section performance.
As preferred scheme, the filter include connect grade one filter 11 and secondary filter 12, described one
The filtering accuracy of level filter 11 is 5 μm, and the filtering accuracy of secondary filter 12 is 1 μm, in filter element of the present utility model 4
Comprising the two poles of the earth filter, and filtering accuracy is incremented by successively, advantageously ensures that particle filtering effect, it is ensured that the power oil after filtration
Cleannes.
Further, the grade one filter 11 and secondary filter 12 are provided with bypass valve 13 and visually/telecommunication
Number differential pressure transmitter device 14, is easy to staff's Real Time Observation to monitor the working condition of each filter, it is ensured that the work of adjusting means
Stability and safety.
Used as preferred, also including overflow valve 15, the overflow valve 15 is connected in parallel with oil pump 8.During system worked well,
Overflow valve 15 is closed, and opens overflow when the limit of the load more than regulation, carries out overload protection, make system pressure not
It is further added by, it is ensured that the safety of emergency oil stand-by provision.
As shown in Fig. 2 the adjusting means is fixed on a support 16, the filter element 4 is arranged on support 16
Bottom, reserve fuel tank 2, oil return receiving magazine 3 are arranged on the top of support 16.The reserve fuel tank 2, oil return receiving magazine 3 and master
There is certain difference in height, when needing from reserve fuel tank 2, oil return receiving magazine 3 to 1 repairing of main fuel tank, in gravity between fuel tank 1
In the presence of can gravity flow repairing, it is practical.
Liquidometer 25, manhole top cover, respiratory organ, import component, outlet is provided with reserve fuel tank 2, oil return receiving magazine 3
Component, sampling assemble and blowdown component, meet observation liquid level and sampling, blowdown, input/output power oil and smoothly enter
OK.
Embodiment 2.
The present embodiment provides a kind of application process of Steam Turhine Adjustment device, comprises the following steps：
1 on-line filtration of main fuel tank：The 5th valve 21, the 6th valve 22, the 7th valve 23, the 8th valve 24 is separately turned on,
Other valves are turned off, and open filter element 4 and work so that the power oil in main fuel tank 1 circulates through the filtration of filter element 4
After flow back to main fuel tank 1, complete the on-line filtration to power oil in main fuel tank 1；
2 on-line filtration of reserve fuel tank：It is separately turned on the first valve 17, the second valve 18, the 5th valve 21, the 6th valve
22, other valves are turned off, and open filter element 4 and work so that the power oil in reserve fuel tank 2 circulates through filter element 4
Filtration after flow back to reserve fuel tank 2, complete the on-line filtration to power oil in reserve fuel tank 2；
Reserve fuel tank 2 supplements power oil to main fuel tank 1, can be realized by following any one mode：
A, by flow by gravity repairing：The second valve 18, the 8th valve 24 is opened, other valves are turned off, reserve fuel tank 2
In power oil under gravity from flowing to main fuel tank 1；
Repairing after b, filtration：The second valve 18, the 5th valve 21, the 6th valve 22, the 7th valve 23 is separately turned on, other
Valve is turned off, and opens filter element 4 and works so that the power oil in reserve fuel tank 2 is flowed into after the filtration of filter element 4
Main fuel tank 1；
Main fuel tank 1 moves back oil to oil return receiving magazine 3：Be separately turned on the 8th valve 24, the 5th valve 21, the 6th valve 22,
Three valves 19, other valves are turned off, and open filter element 4 and work, by main fuel tank 1 under the dynamic action of filter element 4
Power oil be delivered to oil return receiving magazine 3；
Oil return receiving magazine 3 is to 1 oil-feed of main fuel tank：Be separately turned on the 4th valve 20, the 5th valve 21, the 6th valve 22,
Seven valves 23, other valves are turned off, and open filter element 4 and work so that the power oil in oil return receiving magazine 3 is single through filtering
Main fuel tank 1 is flowed into after the filtration of unit 4；
Oil return receiving magazine 3 is standby each other with reserve fuel tank 2：It is separately turned on the 4th valve 20, the 5th valve 21, the 6th valve
22nd, the first valve 17, other valves are turned off, and open filter element 4 and work so that the power oil in oil return receiving magazine 3 is passed through
Reserve fuel tank 2 is flowed into after the filtration of filter element 4；
System initial prime, including to 1 initial prime of main fuel tank and to 2 initial prime of reserve fuel tank：
To 1 initial prime of main fuel tank：The tenth valve 7, the 5th valve 21, the 6th valve 22, the 7th valve 23 is separately turned on,
Other valves are turned off, and are filled with main fuel tank 1 power oil from outside after filter element 4 is filtered；
To 2 initial prime of reserve fuel tank：It is separately turned on the tenth valve 7, the 5th valve 21, the 6th valve 22, the first valve
17, other valves are turned off, and are filled with reserve fuel tank 2 power oil from outside after filter element 4 is filtered.
In actual applications, can be determined according to on-site actual situations and select required operating procedure, using this utility model
Emergency oil stand-by provision and application process, effectively increase
The repairing time, improve the security reliability of substantial equipment scene operation.
Embodiment described above only expresses several embodiments of the present utility model, and its description is more concrete and detailed,
But therefore can not be interpreted as the restriction to this utility model the scope of the claims.It should be pointed out that common for this area
For technical staff, without departing from the concept of the premise utility, some deformations and improvement can also be made, these all belong to
In protection domain of the present utility model.Therefore, the protection domain of this utility model patent should be defined by claims.
Claims (7)
1. a kind of Steam Turhine Adjustment device, is connected with the main fuel tank of steam turbine adjusting oil system, it is characterised in that described to adjust dress
Put including the reserve fuel tank, oil return receiving magazine and filter element being connected in parallel, the outlet of the filter element respectively with it is standby
The import connection of fuel tank, oil return receiving magazine and main fuel tank, the outlet of reserve fuel tank, oil return receiving magazine and main fuel tank respectively with
The import connection of filter element, the import and export of the main fuel tank, reserve fuel tank, oil return receiving magazine and filter element are set respectively
It is equipped with isolating valve.
2. Steam Turhine Adjustment device according to claim 1, it is characterised in that the filter element includes connecting by pipeline
The filter for connecing and oil pump, are also included motor and the electric cabinet being connected with the oil pump, are provided with pressure gauge on the pipeline.
3. Steam Turhine Adjustment device according to claim 2, it is characterised in that the filter includes the one-level mistake connected
Filter and secondary filter, the filtering accuracy of the grade one filter is 5 μm, and the filtering accuracy of secondary filter is 1 μm.
4. Steam Turhine Adjustment device according to claim 3, it is characterised in that the grade one filter and secondary filter
It is provided with bypass valve and visually/electric signal differential pressure transmitter device.
5. Steam Turhine Adjustment device according to claim 2, it is characterised in that also including overflow valve, the overflow valve with
Oil pump is connected in parallel.
6. Steam Turhine Adjustment device according to claim 1, it is characterised in that the adjusting means is fixed on
On frame, the filter element is arranged on the bottom of support, and reserve fuel tank, oil return receiving magazine are arranged on the top of support.
7. Steam Turhine Adjustment device according to claim 6, it is characterised in that the import and export difference of the reserve fuel tank
The first valve, the second valve is provided with, the import and export of the oil return receiving magazine is respectively arranged with the 3rd valve, the 4th valve, institute
The import and export for stating filter element is respectively arranged with the 5th valve, the 6th valve, and the import and export of the main fuel tank is respectively arranged with
7th valve, the 8th valve.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201621078039.6U CN206035547U (en) | 2016-09-23 | 2016-09-23 | Turbine adjustment device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201621078039.6U CN206035547U (en) | 2016-09-23 | 2016-09-23 | Turbine adjustment device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN206035547U true CN206035547U (en) | 2017-03-22 |
Family
ID=58296971
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201621078039.6U Active CN206035547U (en) | 2016-09-23 | 2016-09-23 | Turbine adjustment device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN206035547U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112066261A (en) * | 2020-07-30 | 2020-12-11 | 中广核核电运营有限公司 | Oil supplementing device of oil regulating system |
-
2016
- 2016-09-23 CN CN201621078039.6U patent/CN206035547U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112066261A (en) * | 2020-07-30 | 2020-12-11 | 中广核核电运营有限公司 | Oil supplementing device of oil regulating system |
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| GR01 | Patent grant |