CN214662031U - Hydrogen side sealing oil tank of generator - Google Patents
Hydrogen side sealing oil tank of generator Download PDFInfo
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- CN214662031U CN214662031U CN202120231610.8U CN202120231610U CN214662031U CN 214662031 U CN214662031 U CN 214662031U CN 202120231610 U CN202120231610 U CN 202120231610U CN 214662031 U CN214662031 U CN 214662031U
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Abstract
The utility model relates to a generator auxiliary device technical field discloses a hydrogen side sealing oil tank of generator, including sealed box, the oil return tank, generator leak detector oil drain tank, the vacuum pump, the oil extraction pump, first level sensor and second level sensor, first level sensor sets up in the oil return tank, the top of oil return tank is connected with the defoaming case, be provided with third level sensor in the defoaming case, generator leak detector oil drain tank is provided with the leak detector oil drain valve between and, the oil extraction pump is connected with the bottom of sealed box through arranging the oil pipe, the oil feed end of arranging the oil pipe extends to the inside of sealed box, second level sensor sets up in the inside of sealed box and is located the top of the oil feed end of arranging the oil pipe. Adopt the utility model has the advantages of can effectively prevent the generator oil feed, ensure that the sealed oil return is smooth, can also retrieve the oil body in the generator, green ensures generator normal operating, increase of service life.
Description
Technical Field
The utility model relates to a generator auxiliary device technical field especially relates to a hydrogen side seal oil tank of generator.
Background
In order to prevent external gas from entering a generator and hydrogen in the generator from leaking, a double-flow annular oil seal is configured in the conventional domestic generator set, two relatively independent sealing oil circulations, namely air side sealing oil and hydrogen side sealing oil, are provided for a sealing bush by an external oil supply system, two annular oil distribution grooves on the sealing bush are provided, and a layer of oil film is formed in a gap between the sealing bush and a rotating shaft. But the current sealed oil tank usually has the risk of feeding the generator with oil. If the oil is fed into the generator, the insulation of the generator can be corroded, and the insulation aging is accelerated; the purity of hydrogen in the generator is reduced, and the pollution discharge and hydrogen supplement amount is increased; if the water content in the oil is large, the humidity of hydrogen in the generator is increased, insulation is affected with damp, the electrical breakdown strength of gas is reduced, and inter-phase short circuit in the generator can be caused in severe cases.
However, in the prior art, when the generator set normally operates, the oil leakage phenomenon basically exists between the air side sealing oil and the hydrogen side sealing oil, once the oil discharging and supplementing float valve of the hydrogen side sealing oil tank fails, the hydrogen side sealing oil tank is full of oil, then the defoaming tank is full of oil, and the oil overflows into the generator from the gap between the labyrinth oil baffle plate and the rotating shaft; or, once the hydrogen side sealing oil pump fails, because the pressure of the hydrogen side sealing oil is reduced, a large amount of oil is mixed to the hydrogen side sealing tile at the position of the empty side sealing tile, the hydrogen side sealing oil tank is full of oil, then the defoaming tank is full of oil, and the oil overflows into the generator from a gap between the labyrinth oil baffle plate and the rotating shaft; when the generator set is stopped and overhauled, hydrogen in the generator set needs to be discharged, the pressure of the hydrogen in the hydrogen discharging process is reduced, the pressure of hydrogen side sealing oil is synchronously reduced, oil return is not smooth easily caused by low oil pressure, then the defoaming box is full of oil, and the oil overflows into the generator set from a gap between the labyrinth oil baffle plate and the rotating shaft.
SUMMERY OF THE UTILITY MODEL
The utility model aims to solve the problem that a hydrogen side sealing oil tank of generator is provided, can prevent effectively that the generator oil feed from, ensure that sealed oil return is smooth, can also retrieve the oil body in the generator, and green ensures generator normal operating, increase of service life.
In order to solve the technical problem, the utility model provides a hydrogen side sealing oil tank of generator, including sealing box, oil return tank, generator leak detector oil drain tank, vacuum pump, oil extraction pump, first level sensor and second level sensor, the oil return tank with generator leak detector oil drain tank is all connected the top of sealing box, first level sensor sets up in the oil return tank, the top of oil return tank is connected with the defoaming case, be provided with third level sensor in the defoaming case, generator leak detector oil drain tank is provided with the leak detector oil drain valve between and, the vacuum pump is connected through the evacuation pipe the top of sealing box, the oil extraction pump through arrange the oil pipe with the bottom of sealing box is connected, the oil feed end of arranging the oil pipe extends to the inside of sealing box, second level sensor sets up the inside of sealing box is located the top of the oil feed end of arranging the oil pipe .
As the utility model discloses preferred scheme, be equipped with the fender hydrogen board that is vertical setting in the seal box body, the fender hydrogen board is located the oil return tank produce oil the end with between the inlet end of evacuation pipeline.
As the utility model discloses preferred scheme, the bottom of keeping off the hydrogen board is located arrange the below of oil feed end of oil pipe.
As the preferred scheme of the utility model, be equipped with a plurality of oil smoke baffles in the evacuation pipeline.
As the utility model discloses preferred scheme, the oil smoke baffle is arranged from air-out end to air inlet end leanin.
As the utility model discloses preferred scheme, be provided with fourth level sensor in the generator leak detector oil drain tank.
As the utility model discloses preferred scheme, be provided with pressure sensor in the seal box.
As the utility model discloses preferred scheme, the vacuum pump the oil extraction pump leak detector fuel outlet valve first level sensor second level sensor third level sensor, fourth level sensor and pressure sensor are connected with the controller electricity respectively.
As the utility model discloses preferred scheme, the bottom of seal box is connected with sealed oil pump of interchange and the sealed oil pump of direct current.
As the utility model discloses preferred scheme, exchange sealed oil pump with the parallelly connected setting of direct current sealed oil pump.
Implement the utility model discloses a hydrogen side seal oil tank of generator compares with prior art, has following beneficial effect:
the utility model discloses a after the oil level in first level sensor detection oil return jar reaches the high oil level of settlement, start the oil extraction pump and discharge the oil in the sealed box, drop to the low oil level of settlement until the oil level in the second level sensor detection sealed box, close the oil extraction pump, can prevent that the sealing oil from flowing to in the generator; when the third liquid level sensor detects that the oil in the defoamer reaches a set high oil level and the first liquid level sensor does not detect that the oil level in the oil return tank reaches the set high oil level, starting the vacuum pump to vacuumize the sealed box body until the third liquid level sensor no longer detects that the oil in the defoamer reaches the set high oil level, and turning off the vacuum pump, so that the sealed box body can be always kept in a negative pressure state, and the unsmooth oil return of the sealed oil is prevented; whether generator leak hunting appearance oil drain tank can detect the generator oil leak and collect the oil that the generator leaked out, it is internal that the oil in the generator leak hunting appearance oil drain tank can directly flow to the seal box through the leak hunting appearance fuel outlet valve, realizes retrieving the sealing oil of generator leak hunting appearance, the energy saving, green. It is visible, the utility model discloses can effectively prevent the generator oil feed, ensure that the sealed oil return is smooth, can also retrieve the oil body in the generator, green ensures generator normal operating, increase of service life.
Drawings
In order to more clearly illustrate the technical solution of the embodiments of the present invention, the drawings of the embodiments will be briefly described below.
Fig. 1 is a schematic structural diagram of a hydrogen-side sealed oil tank of a generator provided by the present invention.
In the figure: 1. the device comprises a sealed box body, 2, an oil return tank, 3, a generator leak detector oil discharge tank, 4, a vacuum pump, 5, an oil discharge pump, 6, a first liquid level sensor, 7, a second liquid level sensor, 8, a defoaming box, 9, a third liquid level sensor, 10, a leak detector oil discharge valve, 11, a vacuumizing pipeline, 12, an oil discharge pipe, 13, a hydrogen baffle, 14, an oil smoke baffle, 15, a fourth liquid level sensor, 16, a pressure sensor, 17, an alternating current sealed oil pump, 18 and a direct current sealed oil pump.
Detailed Description
The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative efforts belong to the protection scope of the present invention.
In the description of the present invention, it should be understood that the terms "center", "longitudinal", "lateral", "up", "down", "front", "back", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", and the like, are used herein to indicate orientations or positional relationships based on those shown in the drawings, and are used merely for convenience of description and to simplify the description, but do not indicate or imply that the device or element referred to must have a particular orientation, be constructed and operated in a particular orientation, and therefore should not be construed as limiting the present invention. Furthermore, the terms "first," "second," and "third" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance.
Referring to fig. 1, a preferred embodiment of the present invention is a hydrogen-side sealed oil tank for a generator, including a sealed tank 1, an oil return tank 2, a generator leak detector oil drain tank 3, a vacuum pump 4, an oil discharge pump 5, a first liquid level sensor 6 and a second liquid level sensor 7, where the oil return tank 2 and the generator leak detector oil drain tank 3 are both connected to the top of the sealed tank 1, the first liquid level sensor 6 is disposed in the oil return tank 2, a defoaming tank 8 is connected to the top end of the oil return tank 2, a third liquid level sensor 9 is disposed in the defoaming tank 8, a leak detector oil drain valve 10 is disposed between the generator leak detector oil drain tank 3 and the generator leak detector oil drain tank 3, the vacuum pump 4 is connected to the top of the sealed tank 1 through a vacuum pumping pipeline 11, the oil discharge pump 5 is connected to the bottom of the sealed tank 1 through an oil discharge pipe 12, and the oil inlet end of the oil discharge pipe 12 extends to the inside of the sealed tank 1, the second liquid level sensor 7 is arranged in the sealed box body 1 and above the oil inlet end of the oil discharge pipe 12.
The utility model discloses a after first level sensor 6 detects that the oil level in oil return tank 2 reaches the high oil level of settlement, start oil extraction pump 5 and discharge the oil in sealed box 1, until second level sensor 7 detects that the oil level in sealed box 1 drops to the low oil level of settlement, close oil extraction pump 5, can prevent that the sealing oil from flowing to in the generator; when the third liquid level sensor 9 detects that the oil in the defoamer reaches a set high oil level and the first liquid level sensor 6 does not detect that the oil level in the oil return tank 2 reaches the set high oil level, the vacuum pump 4 is started to vacuumize the sealed box body 1 until the third liquid level sensor 9 no longer detects that the oil in the defoamer reaches the set high oil level, and the vacuum pump 4 is turned off, so that the sealed box body can be always kept in a negative pressure state, and the unsmooth oil return of the sealed oil is prevented; generator leak detector oil drain tank 3 can detect the generator whether the oil leak and collect the oil that the generator leaked out, and the oil in generator leak detector oil drain tank 3 can directly flow to sealed box 1 in through leak detector oil drain valve 10, realizes retrieving the oil body of generator leak detector, energy saving, green. It is visible, the utility model discloses can effectively prevent the generator oil feed, ensure that the sealed oil return is smooth, can also retrieve the oil body in the generator, green ensures generator normal operating, increase of service life.
Illustratively, a hydrogen baffle 13 is vertically arranged in the sealed box body, and the hydrogen baffle 13 is located between the oil outlet end of the oil return tank 2 and the air inlet end of the vacuum pumping pipeline 11. By the design, hydrogen can be blocked between the oil outlet end of the oil return tank 2 and the hydrogen baffle 13, the hydrogen is effectively prevented from being discharged from the vacuumizing pipeline 11 in the vacuumizing process, and the safety is improved. Further, the bottom end of the hydrogen baffle 13 is located below the oil inlet end of the oil discharge pipe 12, so that it is ensured that hydrogen gas is not discharged from the vacuum pipe 11 even when the oil level in the sealed box is low.
Illustratively, a plurality of oil fume baffles 14 are arranged in the vacuum-pumping pipeline 11; the oil smoke baffle 14 is arranged from the air outlet end to the air inlet end in an inward inclined mode. Due to the design, oil bodies and gas in the vacuumizing pipeline 11 can be separated, oil and smoke separation is realized, and the environment is protected.
Illustratively, a fourth liquid level sensor 15 is arranged in the generator leak detector oil drain tank 3, so that when the fourth liquid level sensor 15 detects that the oil level in the generator leak detector oil drain tank 3 reaches a set oil level, the leak detector oil drain valve 10 is opened, the oil body in the generator leak detector oil drain tank 3 is drained into the seal box body 1, and the seal oil leaked by the generator is recovered.
By way of example, the pressure sensor 16 is arranged in the sealed box body, so that the pressure in the sealed box body 1 can be directly detected through the pressure sensor 16, and if the pressure in the sealed box body 1 is detected to be positive pressure, the vacuum pump 4 is started until the pressure sensor 16 detects that the pressure in the sealed box body 1 reaches the set negative pressure, and the smooth oil return of the sealed oil is ensured.
Illustratively, the vacuum pump 4, the oil discharge pump 5, the leak detector oil drain valve 10, the first liquid level sensor 6, the second liquid level sensor 7, the third liquid level sensor 9, the fourth liquid level sensor 15 and the pressure sensor 16 are respectively electrically connected with a controller. Such design makes vacuum pump 4, oil extraction pump 5, leak detector fuel outlet valve 10 all link with each sensor, makes whole operation flow more intelligent, and easy operation is convenient, improves work efficiency, reduces workman's labour.
In this embodiment, the bottom end of the sealed box body is connected with an alternating-current sealed oil pump 17 and a direct-current sealed oil pump 18; the ac sealing oil pump 17 and the dc sealing oil pump 18 are arranged in parallel.
In the description of the present invention, it is to be understood that, unless otherwise explicitly specified or limited, the terms "mounted," "connected," and "connected" are used in a generic sense, e.g., fixedly connected, detachably connected, or integrally connected; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meaning of the above terms in the present invention can be understood in specific cases to those skilled in the art.
The above disclosure is only for the purpose of illustrating the preferred embodiments of the present invention and is not to be construed as limiting the scope of the invention, therefore, the invention is not limited thereto.
Claims (10)
1. A hydrogen side sealed oil tank of a generator is characterized by comprising a sealed tank body, an oil return tank, a generator leak detector oil discharge tank, a vacuum pump, an oil discharge pump, a first liquid level sensor and a second liquid level sensor, the oil return tank and the generator leak detector oil drain tank are both connected to the top of the sealed box body, the first liquid level sensor is arranged in the oil return tank, the top end of the oil return tank is connected with a defoaming box, a third liquid level sensor is arranged in the defoaming box, a leak detector oil drain valve is arranged between the generator leak detector oil drain tank and the generator leak detector oil drain tank, the vacuum pump is connected with the top of the sealed box body through a vacuum pumping pipeline, the oil discharge pump is connected with the bottom of the sealed box body through an oil discharge pipe, the oil inlet end of the oil discharge pipe extends to the inside of the sealed box body, and the second liquid level sensor is arranged in the sealed box body and located above the oil inlet end of the oil discharge pipe.
2. The hydrogen-side sealed oil tank of the generator as claimed in claim 1, wherein a hydrogen baffle is vertically arranged in the sealed tank body, and the hydrogen baffle is located between the oil outlet end of the oil return tank and the air inlet end of the vacuum pumping pipeline.
3. The hydrogen side seal oil tank of the generator as claimed in claim 2, wherein the bottom end of the hydrogen baffle is located below the oil inlet end of the oil discharge pipe.
4. The hydrogen side seal oil tank of the generator as claimed in claim 1, wherein a plurality of soot baffles are provided in the evacuated tube.
5. The hydrogen-side sealed oil tank of the generator as claimed in claim 4, wherein the oil smoke baffle is arranged to be inclined inwards from the air outlet end to the air inlet end.
6. The generator hydrogen side seal oil tank as claimed in claim 1, wherein a fourth liquid level sensor is provided in the generator leak detector oil drain tank.
7. The hydrogen side seal oil tank of the generator as claimed in claim 6, wherein a pressure sensor is provided in the seal tank body.
8. The hydrogen side seal oil tank of the generator as claimed in claim 7, wherein the vacuum pump, the oil drain pump, the leak detector oil drain valve, the first liquid level sensor, the second liquid level sensor, the third liquid level sensor, a fourth liquid level sensor and a pressure sensor are electrically connected to a controller, respectively.
9. The hydrogen-side sealed oil tank of the generator as claimed in claim 1, wherein an ac sealed oil pump and a dc sealed oil pump are connected to the bottom end of the sealed tank body.
10. The hydrogen side seal oil tank of the generator as claimed in claim 9, wherein the ac seal oil pump and the dc seal oil pump are provided in parallel.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202120231610.8U CN214662031U (en) | 2021-01-27 | 2021-01-27 | Hydrogen side sealing oil tank of generator |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202120231610.8U CN214662031U (en) | 2021-01-27 | 2021-01-27 | Hydrogen side sealing oil tank of generator |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN214662031U true CN214662031U (en) | 2021-11-09 |
Family
ID=78519882
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202120231610.8U Active CN214662031U (en) | 2021-01-27 | 2021-01-27 | Hydrogen side sealing oil tank of generator |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN214662031U (en) |
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2021
- 2021-01-27 CN CN202120231610.8U patent/CN214662031U/en active Active
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