CN206246684U - Single current ring Seal Oil float fuel tank - Google Patents
Single current ring Seal Oil float fuel tank Download PDFInfo
- Publication number
- CN206246684U CN206246684U CN201621181399.9U CN201621181399U CN206246684U CN 206246684 U CN206246684 U CN 206246684U CN 201621181399 U CN201621181399 U CN 201621181399U CN 206246684 U CN206246684 U CN 206246684U
- Authority
- CN
- China
- Prior art keywords
- level switch
- liquid level
- high level
- low liquid
- casing
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- 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
- 239000002828 fuel tank Substances 0.000 title claims abstract description 32
- 239000007788 liquid Substances 0.000 claims abstract description 118
- UFHFLCQGNIYNRP-UHFFFAOYSA-N Hydrogen Chemical compound [H][H] UFHFLCQGNIYNRP-UHFFFAOYSA-N 0.000 claims abstract description 19
- 239000001257 hydrogen Substances 0.000 claims abstract description 18
- 229910052739 hydrogen Inorganic materials 0.000 claims abstract description 18
- 230000005693 optoelectronics Effects 0.000 claims description 5
- 238000007667 floating Methods 0.000 description 4
- 230000004048 modification Effects 0.000 description 4
- 238000012986 modification Methods 0.000 description 4
- 238000007789 sealing Methods 0.000 description 4
- 230000005611 electricity Effects 0.000 description 3
- 238000005516 engineering process Methods 0.000 description 2
- 238000012544 monitoring process Methods 0.000 description 2
- 125000002950 monocyclic group Chemical group 0.000 description 2
- 230000000630 rising effect Effects 0.000 description 2
- 230000000712 assembly Effects 0.000 description 1
- 238000000429 assembly Methods 0.000 description 1
- 238000001816 cooling Methods 0.000 description 1
- 238000000605 extraction Methods 0.000 description 1
- 238000007037 hydroformylation reaction Methods 0.000 description 1
- 238000010248 power generation Methods 0.000 description 1
- 230000001960 triggered effect Effects 0.000 description 1
Landscapes
- Level Indicators Using A Float (AREA)
Abstract
The utility model discloses a kind of single current ring Seal Oil float fuel tank, for adjusting the Hydrogen Vapor Pressure in thermoelectric generator, including casing, ball-cock assembly is provided with the casing, oil inlet pipe is connected with the top of the casing, the bottom of the casing is connected with oil exit pipe, the casing is provided with shunt valve, liquid level window and bypass valve are provided with the shunt valve, the first high level switch is additionally provided with the casing, first low liquid level is switched, magnetic valve is provided with the shunt valve, first high level switch and first low liquid level switch are electrically connected with the magnetic valve.Single current ring Seal Oil float fuel tank of the present utility model, can automatically control being turned on and off for shunt valve in the startup stage of generator and shutdown stage by liquid-level switch, can avoid making error because of artificial behaviour or not in time to generator caused by potential safety hazard.
Description
Technical field
The utility model belongs to thermal power generation station-service generator cooling device field, and in particular to a kind of single current ring Seal Oil
Float fuel tank.
Background technology
Monocyclic stream sealing oil system is the Important Auxiliary equipment system that large-size thermal power plant ensures engine health, is mainly passed through
Seal Oil seals the hydrogen for cooled electric generator.As shown in figure 1, current monocyclic stream sealing oil system is opened in unit, stopped
Stage, float fuel tank needs power plant operations staff according to the Hydrogen Vapor Pressure size timely manually operated float in generator when working
Fuel tank bypass valve.In unit starting, generator is in and is flushed with hydrogen the stage, because hydrogen presses relatively low, float oil tank liquid level in generator
Raise, it is necessary to turn on bypass valve, float fuel tank and shunt valve pass through Seal Oil, with the rising of hydrogen pressure in generator, float
Oil tank liquid level is gradually reduced, it is necessary to close float fuel tank bypass valve, makes Seal Oil only by the normal oil extraction of float fuel tank, prevents hydrogen
Gas leaks.In unit outage, generator is in row's hydroformylation stage, because the hydrogen pressure in generator is gradually reduced, float fuel tank liquid
Position is gradually risen, it is necessary to open bypass valve, accelerates Seal Oil discharge, prevents that float oil tank liquid level is too high to cause oil leakage in generator.
Either close bypass valve or open bypass valve, if operating personnel's treatment is not in time or operational error, will cause to generate electricity
Machine leaks hydrogen or generating set oil-feed, and the safe operation to generator causes a hidden trouble.
Utility model content
Be to solve problem above, it is necessary to a kind of single current ring Seal Oil float fuel tank, can in the startup stage of generator and
The shutdown stage automatically controls being turned on and off for shunt valve by liquid-level switch, can avoid making error or not in time because of artificial behaviour
The potential safety hazard caused to generator.
In order to achieve the above object, the utility model is solved using following technical scheme.
A kind of single current ring Seal Oil float fuel tank, it is described for adjusting the Hydrogen Vapor Pressure in thermoelectric generator, including casing
Ball-cock assembly is provided with casing, oil inlet pipe is connected with the top of the casing, the bottom of the casing is connected with oil exit pipe, described
Casing is provided with shunt valve, and liquid level window and bypass valve are provided with the shunt valve, and the first liquid high is additionally provided with the casing
Bit switch, the first low liquid level switch, magnetic valve is provided with the shunt valve, first high level switch and described first low
Liquid-level switch is electrically connected with the magnetic valve.
According to single current ring Seal Oil float fuel tank of the present utility model, liquid-level switch is installed in the interior of the casing of float fuel tank
Portion, for the liquid level of the Seal Oil in monitoring case body, the liquid level of the Seal Oil in casing is increased to the first high level switch extremely
During position, the response of the first high level switch, when the liquid level of Seal Oil is reduced to the first low liquid level position of the switch extremely, first is low
Liquid-level switch is responded.Magnetic valve is connected on shunt valve, and bypass valve is normally opened, when the first high level switch is responded, the first liquid high
Bit switch control magnetic valve turns on shunt valve, during the Seal Oil in casing can be avoided to pour in down a chimney generator；When the first low liquid level
During switch response, the first low liquid level switch control magnetic valve closes shunt valve, can avoid hydrogen in generator from shunt valve
Leak out.First high level switch and the first low liquid level switch the response speed and electricity to the liquid level of the Seal Oil in casing
Response speed and accuracy that magnet valve is switched to the first high level switch and the first low liquid level are much larger than the manual behaviour of operating personnel
Make speed and accuracy, thus can avoid making error because of behaviour or not in time to generator caused by potential safety hazard.
As preferred, also including the second high level switch, the second low liquid level switch, low liquid level warning device and high level report
Alert device, second high level switch is located at the top of first high level switch, and the second low liquid level switch is located at institute
The lower section of the first low liquid level switch is stated, the second low liquid level switch is electrically connected with the low liquid level warning device, and described second is high
Liquid-level switch is electrically connected with the high level alarm.
According to single current ring Seal Oil float fuel tank of the present utility model, when the first low liquid level switch or the first high level switch
After response, if magnetic valve failure or broken down, it is impossible to timely on and off shunt valve, float oil tank liquid level is caused to continue
During rising, the action of the second high level switch, the high level alarm alarm for now being electrically connected with the second high level switch；Cause to float
When sub- oil tank liquid level is persistently reduced, the second low liquid level switch motion, the low liquid level report for now being electrically connected with the second high level switch
Alert device alarm, causes the attention of staff, and staff can carry out observation judgement by liquid level window to the liquid level of Seal Oil
And use other schemes to solve the problems, such as the liquid level of the Seal Oil in casing in time, so as to avoid Generator Hydrogen Leakage or oil-feed etc. from pacifying
The generation of full hidden danger.
As preferred, hand-operated valve is provided with the shunt valve, the hand-operated valve is connected side by side with the magnetic valve, hand
Dynamic valve is typically in normally off.
According to single current ring Seal Oil float fuel tank of the present utility model, when the first high level switch or the first low liquid level are switched
After response, the not timely on or off shunt valve if magnetic valve breaks down causes float oil tank liquid level to be persistently increased to
Two high level switch positions or when being reduced to the second low liquid level position of the switch, the second high level switch or the second low liquid level switch ring
Should, and alarm signal is sent, now, operating personnel can manually control magnetic valve bypass valve, so as to control float
The liquid level of fuel tank, it is to avoid the generation of the potential safety hazard such as Generator Hydrogen Leakage or oil-feed.
As preferred, first high level switch, first low liquid level switch, second high level switch and
The second low liquid level switch is optoelectronic switch.
According to single current ring Seal Oil float fuel tank of the present utility model, the reflection of the light that optoelectronic switch can be sent by it
Signal judges the liquid level of the Seal Oil in casing.
As preferred, first high level switch, first low liquid level switch, second high level switch and
The second low liquid level switch is mechanical switch.
According to single current ring Seal Oil float fuel tank of the present utility model, mechanical switch is mainly by the Seal Oil in casing
Buoyancy judges the liquid level of the Seal Oil in casing.
As preferred, first high level switch, first low liquid level switch, second high level switch and
Shifting block is provided with the second low liquid level switch, the shifting block is connected with the ball float on the ball-cock assembly.
According to single current ring Seal Oil float fuel tank of the present utility model, the ball float on ball-cock assembly can lead when floating or floating downward
Dynamic shifting block swings, and triggers the first high level switch, the first low liquid level switch, the second high level switch or the second low liquid level with this and opens
Close.
Brief description of the drawings
The utility model is described in further details with specific embodiment below in conjunction with the accompanying drawings.
Fig. 1 is the structural representation of existing single current ring Seal Oil float fuel tank；
Fig. 2 is the structural representation of the single current ring Seal Oil float fuel tank that the utility model is proposed.
In fig. 2：1 casing；2 ball-cock assemblys；3 hydrogen pipes；4 oil pipes；5 shunt valves；6 liquid level windows；7 bypass valves；8 first is high
Liquid-level switch；9 first low liquid levels are switched；10 magnetic valves；11 hand-operated valves；12 second high level switches；13 second low liquid levels are switched.
Specific embodiment
As shown in Fig. 2 embodiment of the present utility model provides a kind of single current ring Seal Oil float fuel tank, for adjusting firepower
Hydrogen Vapor Pressure in generator, including casing 1, are provided with ball-cock assembly 2 in the casing 1, the top of the casing 1 be connected with into
Oil pipe 4, the bottom of the casing 1 is connected with oil exit pipe 4, and the casing 1 is provided with shunt valve 5, liquid is provided with the shunt valve 5
Position form 6 and bypass valve 7, are additionally provided with the first high level switch 8, the first low liquid level switch 9, bypass on the casing 1
Magnetic valve 10, first high level switch 8 and first low liquid level switch 9 and the electricity of the magnetic valve 10 are provided with pipe 5
Connection.
In the embodiment above, liquid-level switch is installed in the inside of the casing 1 of float fuel tank, for monitoring in casing 1
The liquid level of Seal Oil, when the liquid level of the Seal Oil in casing 1 is increased to the first 8 position of high level switch extremely, the first high level
Switch 8 is responded, and when the liquid level of Seal Oil is reduced to the first low liquid level extremely switchs 9 position, the first low liquid level switch 9 is responded.
Magnetic valve 10 is connected on shunt valve 5, and bypass valve 7 is normally opened, and when the first high level switch 8 is responded, the first high level switch 8 is controlled
Magnetic valve processed 10 turns on shunt valve 5, during the Seal Oil in casing 1 can be avoided to pour in down a chimney generator；When the first low liquid level switchs 9
During response, the first low liquid level switch 9 controls the magnetic valves 10 to close shunt valve 5, can avoid hydrogen in generator from shunt valve 5
Leak out.First high level switch 8 and the first low liquid level switch the response speed of the liquid level of the Seal Oil in 9 pairs of casings 1 with
And the response speed and accuracy of 10 pairs of the first high level switches 8 of magnetic valve and the first low liquid level switch 9 are much larger than operating personnel
Manually operated speed and accuracy, therefore can avoid because behaviour make error or not in time to generator caused by potential safety hazard.
According to one embodiment of the present utility model, also including the second high level switch 12, the second low liquid level switch 13, low
Liquid level alarm and high level alarm, second high level switch 12 are located at the top of first high level switch 8, institute
The lower section that the second low liquid level switch 13 is located at first low liquid level switch 9 is stated, the second low liquid level switch 13 is low with described
Liquid level alarm is electrically connected, and second high level switch 12 is electrically connected with the high level alarm.
In the embodiment above, after the first low liquid level switch 9 or the first high level switch 8 are responded, if magnetic valve 10
Failure breaks down, it is impossible to timely on and off shunt valve 5, when causing float oil tank liquid level persistently to raise, the second liquid high
Bit switch 12 is acted, the high level alarm alarm for now being electrically connected with the second high level switch 12；Cause float oil tank liquid level
When persistently reducing, the second low liquid level switch 13 is acted, the low liquid level warning device report for now being electrically connected with the second high level switch 12
It is alert, cause the attention of staff, staff can carry out observation to the liquid level of Seal Oil and judge and timely by liquid level window 6
Ground solves the problems, such as the liquid level of the Seal Oil in casing 1 using other schemes, so as to avoid the safety such as Generator Hydrogen Leakage or oil-feed hidden
The generation of trouble.
According to one embodiment of the present utility model, be provided with hand-operated valve 11 on the shunt valve 5, the hand-operated valve 11 with
The magnetic valve 10 is connected side by side, and hand-operated valve 11 is typically in normally off.
In the embodiment above, after the first high level switch 8 or the first low liquid level switch 9 are responded, if magnetic valve 10
Break down not timely on or off shunt valve 5, causes float oil tank liquid level to be persistently increased to the second high level switch 12
When putting or be reduced to the second low liquid level 13 position of switch, the second high level switch 12 or the second low liquid level switch 13 are responded, concurrently
Go out alarm signal, now, operating personnel can manually control the bypass valve 7 of magnetic valve 10, so as to control float fuel tank
Liquid level, it is to avoid the generation of the potential safety hazard such as Generator Hydrogen Leakage or oil-feed.
As preferred, first high level switch 8, first low liquid level switch 9, second high level switch
12 and second low liquid level switch 13 be optoelectronic switch.
In the embodiment above, the reflected signal of the light that optoelectronic switch can be sent by it is close in casing 1 to judge
The liquid level of oil sealing.
According to one embodiment of the present utility model, first high level switch 8, first low liquid level switch 9, institute
State the second high level switch 12 and second low liquid level switch 13 is mechanical switch.
In the embodiment above, mechanical switch mainly judges close in casing 1 by the buoyancy of the Seal Oil in casing 1
The liquid level of oil sealing.
According to one embodiment of the present utility model, first high level switch 8, first low liquid level switch 9, institute
State and be provided with shifting block, the shifting block and the ball-cock assembly 2 on the second high level switch 12 and second low liquid level switch 13
On ball float be connected.
In the embodiment above, the ball float on ball-cock assembly 2 can affect shifting block to swing when floating or floating downward, and is triggered with this
One high level switch 8, the first low liquid level switch the 9, second high level switch 12 or the second low liquid level switch 13.
Obviously, those skilled in the art can carry out various changes and modification without deviating from this practicality to the utility model
New spirit and scope.So, if it is of the present utility model these modification and modification belong to the utility model claim and
Within the scope of its equivalent technologies, then the utility model is also intended to comprising these changes and modification.
Claims (6)
1. a kind of single current ring Seal Oil float fuel tank, for adjusting the Hydrogen Vapor Pressure in thermoelectric generator, including casing (1), institute
State in casing (1) and be provided with ball-cock assembly (2), oil inlet pipe (3), the bottom of the casing (1) are connected with the top of the casing (1)
Oil exit pipe (4) is connected with, the casing (1) is provided with shunt valve (5), liquid level window (6) and side are provided with the shunt valve (5)
Road valve (7), it is characterised in that be additionally provided with the casing (1) the first high level switch (8), the first low liquid level switch (9),
Magnetic valve (10), first high level switch (8) and first low liquid level switch (9) are provided with the shunt valve (5)
Electrically connected with the magnetic valve (10).
2. single current ring Seal Oil float fuel tank according to claim 1, it is characterised in that also including the second high level switch
(12), the second low liquid level switch (13), low liquid level warning device and high level alarm, second high level switch (12) are located at
The top of first high level switch (8), second low liquid level switch (13) switchs (9) positioned at first low liquid level
Lower section, second low liquid level switch (13) electrically connect with the low liquid level warning device, second high level switch (12) and
The high level alarm electrical connection.
3. single current ring Seal Oil float fuel tank according to claim 2, it is characterised in that set on the shunt valve (5)
There is hand-operated valve (11), the hand-operated valve (11) is connected side by side with the magnetic valve (10).
4. the single current ring Seal Oil float fuel tank according to any one of claim 2 to 3, it is characterised in that described first
High level switch (8), first low liquid level switch (9), second high level switch (12) and second low liquid level are opened
Close (13) and be optoelectronic switch.
5. the single current ring Seal Oil float fuel tank according to any one of claim 2 to 3, it is characterised in that described first
High level switch (8), first low liquid level switch (9), second high level switch (12) and second low liquid level are opened
Close (13) and be mechanical switch.
6. single current ring Seal Oil float fuel tank according to claim 5, it is characterised in that first high level switch
(8), in first low liquid level switch (9), second high level switch (12) and second low liquid level switch (13)
Shifting block is provided with, the shifting block is connected with the ball float on the ball-cock assembly (2).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201621181399.9U CN206246684U (en) | 2016-10-26 | 2016-10-26 | Single current ring Seal Oil float fuel tank |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201621181399.9U CN206246684U (en) | 2016-10-26 | 2016-10-26 | Single current ring Seal Oil float fuel tank |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN206246684U true CN206246684U (en) | 2017-06-13 |
Family
ID=58997126
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201621181399.9U Expired - Fee Related CN206246684U (en) | 2016-10-26 | 2016-10-26 | Single current ring Seal Oil float fuel tank |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN206246684U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110925787A (en) * | 2019-12-17 | 2020-03-27 | 武汉理工大学 | Balanced oil control device for fuel oil tanks of boilers |
-
2016
- 2016-10-26 CN CN201621181399.9U patent/CN206246684U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110925787A (en) * | 2019-12-17 | 2020-03-27 | 武汉理工大学 | Balanced oil control device for fuel oil tanks of boilers |
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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 |
Granted publication date: 20170613 Termination date: 20181026 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |