CN110469672A - Generate electricity sump oil mist prevention system - Google Patents
Generate electricity sump oil mist prevention system Download PDFInfo
- Publication number
- CN110469672A CN110469672A CN201910753195.XA CN201910753195A CN110469672A CN 110469672 A CN110469672 A CN 110469672A CN 201910753195 A CN201910753195 A CN 201910753195A CN 110469672 A CN110469672 A CN 110469672A
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- Prior art keywords
- oil
- mist
- gap
- lower space
- oil groove
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Classifications
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F03—MACHINES OR ENGINES FOR LIQUIDS; WIND, SPRING, OR WEIGHT MOTORS; PRODUCING MECHANICAL POWER OR A REACTIVE PROPULSIVE THRUST, NOT OTHERWISE PROVIDED FOR
- F03B—MACHINES OR ENGINES FOR LIQUIDS
- F03B11/00—Parts or details not provided for in, or of interest apart from, the preceding groups, e.g. wear-protection couplings, between turbine and generator
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16J—PISTONS; CYLINDERS; SEALINGS
- F16J15/00—Sealings
- F16J15/02—Sealings between relatively-stationary surfaces
- F16J15/06—Sealings between relatively-stationary surfaces with solid packing compressed between sealing surfaces
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16J—PISTONS; CYLINDERS; SEALINGS
- F16J15/00—Sealings
- F16J15/44—Free-space packings
- F16J15/447—Labyrinth packings
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02E—REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
- Y02E10/00—Energy generation through renewable energy sources
- Y02E10/20—Hydro energy
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- Engineering & Computer Science (AREA)
- General Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Chemical & Material Sciences (AREA)
- Combustion & Propulsion (AREA)
- Sealing Using Fluids, Sealing Without Contact, And Removal Of Oil (AREA)
Abstract
The invention discloses a kind of power generation sump oil mist prevention systems, are related to technical field of generators.An internal seal structure is arranged in the present invention in oil groove, oil groove space is divided into upper space and lower space, mist of oil is entirely sealed in oil groove lower space by internal seal structure, oil groove lower space is connected to mist of oil condensing unit, mist of oil is largely back to oil groove after being condensed into liquid, fraction enters cold oil collection device, additional pump is set on cold oil collection device, it can be by cold oil pump oil-recovery tank, the oil mist concentration of oil groove upper space in this way substantially reduces, and the mist of oil of upper space is being sucked out by oil mist remover.The present invention does not need to improve sealing cover, it is only necessary to increase by an internal seal structure in oil groove, grease proofing fog effect is good, and structure is simple, and cost is relatively low.
Description
Technical field
The present invention relates to gen-set technical fields especially to relate to more specifically to a kind of oil groove oil mist prevention system
And a kind of power generation sump oil mist prevention system.
Background technique
Current generating equipment oil mist prevention system is mainly made of sealing cover and oil mist remover, and contact is stamped in sealing
The mist of oil in oil groove is sucked out by oil mist remover for the compound seal that sealing, non-contacting seal or both are composed.
Under the influence of rotor negative pressure, sealing cover and oil mist remover composition oil mist prevention system play the role of it is very limited, overflow
Mist of oil out enters generator, pollutes.
State Intellectual Property Office discloses a Publication No. CN208025109U on October 30th, 2018, entitled
The utility model patent of " semi-umbrella type turbine-generator units bearing seal mist of oil automatic recycling device ", the utility model patent include
Shaft；It is provided with oil groove in the shaft, the lubricating oil collected in the oil sump tank in the utility model automatic recycling device uses
Self gravitation effect natural back flow is to oil groove, to reduce complicated oil return line and oil well pump link, structure is relatively more
Simply, it is easily installed；Oil return process also can real-time perfoming, compared to oil pumping pump reflux structure, this sealing means can in real time
Circulating lubricating oil avoids petrol starvation of the oil groove because dredging sealing means generation completely；On Inverse spiral seal, increase together
Gapless auxiliary seal guarantees sealing surface and axis gapless, to prevent the oil that may be escaped inside oil groove external dust or oil groove
Mist passes through, and further strengthens sealing effect.
Above-mentioned is to increase by one of gapless auxiliary seal on sealing cover in the prior art, it is ensured that sealing surface and axis are continuously
Gap, but this contact seal is easy to wear and generates heat, and the auxiliary seal is caused to fail.Auxiliary seal, that is, between sealing surface and axis
Contact seal failure after, still result in mist of oil spilling.
State Intellectual Property Office discloses a Publication No. CN206290713U on June 30th, 2017, entitled
The utility model patent of " a kind of leading-type oil mist sealing device for bidirectional rotation engine ", the utility model patent can be with
Solve the problems, such as that slit seal mist of oil spilling is big in the prior art, contact seal is easy to wear and fever, the utility model packet
The shaft and one week oil groove, the oil groove are equipped with sealing cover around the shaft that engine itself has are included, the sealing cover includes close
Envelope bracket and the first sealing screw and the second sealing screw being arranged in sealed support；First sealing screw and the second sealing spiral shell
It revolves and is respectively equipped with oppositely oriented thread close to the face of shaft；First sealing screw, the second sealing screw, shaft and sealing branch
Gap communication seals between cog oil spill pipe between frame, oil groove communication seals lid oil spill pipe.
The above two prior art is the improvement carried out to sealing cover, the especially reality of Publication No. CN206290713U
The technical solution disclosed in new patent, which can solve slit seal mist of oil in the prior art, overflows big, contact seal and easily grinds
The problem of damage is with fever, problem remain, however, that
1, the technical solution of Publication No. CN206290713U is by the first sealing screw between sealing cover and shaft, second
Gap communication seals between cog oil spill pipe between sealing screw, shaft and sealed support, so that mist of oil natural cooling after rising
It is discharged between cog oil spill pipe, but this structure cannot be fully solved mist of oil overflow problem, in mist of oil uphill process, part oil
It is discharged from oil spill pipe after mist is cooling, still has part mist of oil and overflow from the gap of the second sealing screw and sealed support and shaft
Out, the amount of mist of oil spilling can only be reduced.
2, existing technology is the increase sealing structure at sealing cover, is overflow to prevent mist of oil from overflowing or reducing mist of oil
Out, this mode is more applicable in the generating equipment or engine of new production, but for the power generation produced at present
Machine or engine, the structure that sealing cover structure designs before being then are needed according to the structure in above-mentioned technical proposal to close
Capping is replaced, and sealing cover higher cost is replaced.
Summary of the invention
In order to overcome above-mentioned defect existing in the prior art and deficiency, the present invention provides a kind of power generation sump is grease proofing
Mist system, goal of the invention of the invention are to solve mist of oil in the prior art and overflow sealing cover pollution generator and oil mist prevention
Problem at high cost.An internal seal structure is arranged in the present invention in oil groove, and oil groove space is divided into upper space and lower part is empty
Between, mist of oil is entirely sealed in oil groove lower space by internal seal structure, and oil groove lower space and mist of oil condensing unit are connected
Logical, mist of oil is largely back to oil groove after being condensed into liquid, and fraction enters cold oil collection device, is arranged on cold oil collection device
Cold oil pump oil-recovery tank, the oil mist concentration of such oil groove upper space can be substantially reduced, pass through oil mist remover by additional pump
The mist of oil of upper space is sucked out.The present invention does not need to improve sealing cover, it is only necessary to it is close to increase by an inside in oil groove
Seal structure, grease proofing fog effect is good, and structure is simple, and cost is relatively low.
In order to solve above-mentioned problems of the prior art, the present invention is achieved through the following technical solutions:
Generate electricity sump oil mist prevention system, including rotary part and oil groove, it is characterised in that: one inside of setting is close in the oil groove
Oil groove inner space is divided into upper space and lower space by seal structure, the internal seal structure, the liquid level position in oil groove
In in lower space and lower than internal seal structure, internal seal structure obstructs the mist of oil in oil groove in lower space；Institute
Upper space is stated to be connected to oil mist remover；The lower space is connected by pipeline with mist of oil condensing unit, and mist of oil is cold
After mist of oil is condensed into liquid by solidifying device, liquid oil after partial condensation between mist of oil condensing unit and lower space by being connected to
Pipeline is back to lower space, and the liquid after partial condensation flows to cold oil collection device, the cold oil collection device by pipeline
On be provided with additional pump, the additional pump is arranged on the pipeline that cold oil recyclable device is connected to lower space, and cold oil is collected
The lower space for the cold oil pump oil-recovery tank being collected into device.
The internal seal structure can be to be arranged on sealing cover in two patent documents in above-mentioned background technique
Sealing structure.
The internal seal structure includes supporting element, sealing element and fueller, and supporting element one end is connected to the one of oil groove
On the oil groove wall of side, the other end connects sealing element, and the sealing element and rotary part form gap I and gap II, in I He of gap
Be provided with oil pocket between gap II, the fueller is connected to by pipeline with oil pocket, from fueller into oil pocket fuel feeding.
The internal seal structure includes supporting element and sealing element, and supporting element one end is connected to the oil groove wall of the side of oil groove
On, the other end connects sealing element, and the sealing element and rotary part form gap I and gap II, between gap I and gap II
Be provided with oil pocket, oil pocket position corresponded on rotary part and offers through-hole I, I upper end of through-hole is connected to oil pocket, lower end with
Oil groove lower space is connected to and is located at the lubricating oil liquid level of lower space hereinafter, being oil pocket confession by the through-hole I on rotary part
Oil.
The oil pocket upper end of the sealing element corresponds to and is provided with Inverse spiral seal tooth or labyrinth seal at I position of gap.
The oil pocket upper end of sealing element corresponds to and is provided with multistage Inverse spiral seal tooth or labyrinth seal at the position in gap I, and
It is provided with oil back chamber between adjacent two sections of sealings, the oil back chamber is by being arranged under oil return hole and oil groove inside sealing element
The connection of portion space.
The oil pocket lower end of the sealing element corresponds to the Inverse spiral seal tooth direction phase being provided at II position of gap with gap I
Same Inverse spiral seal tooth.
The oil pocket lower end of the sealing element corresponds to the Inverse spiral seal tooth direction phase being provided at II position of gap with gap I
Anti- helixseal.
Through-hole II is provided on the rotary part of the oil groove lower space, the through-hole II is located at lower space lubricating oil
More than face, keep off tubing seal or less.
Compared with prior art, technical effect beneficial brought by the present invention is shown:
1, in order to which the mist of oil effectivelying prevent in oil groove overflows, the invention proposes a kind of novel oil groove oil mist prevention systems.The system
Including oil sealing, mist of oil condensing unit, cold oil collection device, sealing cover, oil mist remover, gear tubing seal etc., by having
Oil groove is divided into upper space and lower space two parts by the oil sealing of excellent sealing effect, and mist of oil is entirely sealed in oil by oil sealing
Slot lower space, the hole on rotary part are located at below gear tubing seal, and rotation forms centrifugal pump and will keep off below tubing seal
Mist of oil be extracted into oil groove outside diameter, mist of oil condensing unit is arranged in oil groove outside diameter, and mist of oil is largely back to after being condensed into liquid
Oil groove, fraction enter cold oil collection device, additional pump are provided on cold oil collection device, can be by cold oil pump oil-recovery tank.In this way
The oil mist concentration of oil groove upper space substantially reduces, then the mist of oil of upper space can be sucked out by oil mist remover.
2, an internal seal structure is arranged in the present invention in oil groove, and oil groove space is divided into upper space and lower space,
Mist of oil is entirely sealed in oil groove lower space by internal seal structure, and oil groove lower space is connected to mist of oil condensing unit,
Mist of oil is largely back to oil groove after being condensed into liquid, and fraction enters cold oil collection device, and setting is outer on cold oil collection device
Add pump, cold oil pump oil-recovery tank, the oil mist concentration of such oil groove upper space can be substantially reduced, is incited somebody to action by oil mist remover
The mist of oil of upper space is sucked out.The present invention does not need to improve sealing cover, it is only necessary to increase by an inner sealing in oil groove
Structure, grease proofing fog effect is good, and structure is simple, and cost is relatively low.
3, using this system, it can effectively prevent the mist of oil in oil groove from entering oil groove upper space, substantially reduce oil groove
The oil mist concentration of upper space, reduce sealing cover and oil mist remover " pressure ", so as to be effectively prevented mist of oil from
It is overflowed in oil groove.
4, using this system, original dynamic sealing oil mist prevention system is become quiet by the oil sealing with excellent sealing effect
Oil mist prevention system is sealed, sealing difficulty is greatly reduced.Using this system, non-contacting seal lid can be used, non-contact type is close
Bring pollution is sealed, does not also need to regularly replace, reduces the maintenance workload of unit.
5, in order to reduce the oil mist concentration that oil groove seals cover area, by oil mist sealing in oil groove lower space, ad hoc meter one
Kind novel oil groove internal seal structure.The sealing device is mounted in fixation member, forms gap I and gap with rotary part
II, and a small oil cavity is designed between gap I and gap II, from fueller to small oil cavity fuel feeding.By matching gap I,
The resistance in gap II and the fuel delivery of fueller, it is ensured that there is certain pressure, and oil will not overflow from gap 1 in small oil cavity
Out, oil is full of gap II at this time, and all flows out from gap II.Because gap II is completely filled with, mist of oil can be all sealed in oil
In slot.Has good sealing function in small oil cavity full of pressure oil.When oil groove lower space and oil groove upper space have one
It also can effectively be sealed when level pressure difference.This is sealed into non-contacting sealing structure, can run safe and stable, long-term effectively, and nothing connects
Touch seals bring pollution, does not also need to regularly replace.This motion is there are many sealing structure form and fuel system, except newly setting
It counts outside unit, is also applied for the transformation of old unit.
Detailed description of the invention
Fig. 1 oil groove oil mist prevention system structure diagram of the present invention；
Fig. 2 is oil groove internal seal structure-clearance sealing structure schematic diagram of the present invention；
Fig. 3 is oil groove internal seal structure-upper end backpitch of the present invention, lower gap sealed structural schematic diagram；
Fig. 4 is two sections of oil groove internal seal structure of the present invention upper end backpitch, lower gap sealed structural schematic diagram；
Fig. 5 is two sections of oil groove internal seal structure of the present invention upper end backpitch, lower end Inverse spiral seal structural schematic diagram；
Fig. 6 is two sections of oil groove inner seal structure of the present invention upper end backpitch, lower end helixseal structural schematic diagram；
Fig. 7 is oil groove internal seal structure of the present invention-centrifugal pump oil supply structure schematic diagram；
Fig. 8 is oil groove sealing structure Inverse spiral seal schematic diagram of the present invention；
It is one section of Inverse spiral seal is labyrinth seal that Fig. 9, which is one section of oil groove inner seal structure of the present invention upper end, and lower end is that spiral is close
The sealed structural schematic diagram of envelope；
Appended drawing reference: 1, sealing cover, 2, oil mist remover, 3, upper space, 4, internal seal structure, 5, lower space, 6,
Mist of oil condensing unit, 7, cold oil collection device, 8, oil groove wall, 9, lubricating oil, 10, bearing, 11, rotary part, 12, gear oil pipe it is close
Envelope, 13, gear oil pipe, 14, supporting element, 15, sealing element, 16, fueller, 17, gap I, 18, gap II, 19, oil pocket, 20, anti-
Helixseal tooth, 21, oil back chamber, 22, oil return hole, 23, helixseal, 24, through-hole I, 25, through-hole II, 26, labyrinth seal.
Specific embodiment
With reference to the accompanying drawings of the specification, technical solution of the present invention is made and is illustrated in further detail.
Embodiment 1
As a preferred embodiment of the present invention, referring to Figure of description 1, present embodiment discloses:
A kind of power generation sump, including sealing cover 1, rotary part 11, bearing 10, gear oil pipe 13 and gear tubing seal 12, for
The tank structure provides a kind of power generation sump oil mist prevention system, including rotary part 11 and oil groove, setting in the oil groove
Oil groove inner space is divided into upper space 3 and lower space 5 by one internal seal structure 4, the internal seal structure 4, oil
Liquid level in slot is located in lower space 5 and lower than internal seal structure 4, and internal seal structure 4 obstructs the mist of oil in oil groove
In lower space 5；The upper space 3 is connected to oil mist remover 2；The lower space 5 is cold by pipeline and mist of oil
Solidifying device 6 is connected, and after mist of oil is condensed into liquid by mist of oil condensing unit 6, the liquid oil after partial condensation is condensed by mist of oil to be filled
It sets the pipeline being connected between 6 and lower space 5 and is back to lower space 5, the liquid after partial condensation flows to cold oil by pipeline
Collection device 7, additional pump is provided on the cold oil collection device 7, and the additional pump is arranged in cold oil recyclable device and lower part
On the pipeline that space 5 is connected to, by the lower space 5 for the cold oil pump oil-recovery tank being collected into cold oil collection device 7.The inside is close
Seal structure 4 can be the sealing structure being arranged on sealing cover 1 in two patent documents in above-mentioned background technique；Referring to explanation
Book attached drawing 1 is provided with through-hole II 25 on the rotary part 11 of the oil groove lower space 5, and the through-hole II 25 is located at lower space 5
More than 9 liquid level of lubricating oil, keep off 12 or less tubing seal.
In order to which the mist of oil effectivelying prevent in oil groove overflows, the invention proposes a kind of power generation sump oil mist prevention systems.It should
System includes oil sealing, mist of oil condensing unit 6, cold oil collection device 7, sealing cover 1, oil mist remover 2, gear tubing seal 12
Deng oil groove being divided into 5 two parts of upper space 3 and lower space by the oil sealing with excellent sealing effect, oil sealing will be oily
Mist is entirely sealed in oil groove lower space 5, and the hole on rotary part 11 is located at 12 lower section of gear tubing seal, and rotation forms centrifugation
The mist of oil for keeping off 12 lower section of tubing seal is extracted into oil groove outside diameter by pump, and mist of oil condensing unit 6, mist of oil condensation is arranged in oil groove outside diameter
At oil groove is largely back to after liquid, fraction enters cold oil collection device 7, additional pump is provided on cold oil collection device 7,
It can be by cold oil pump oil-recovery tank.The oil mist concentration of oil groove upper space 3 in this way substantially reduces, then can be incited somebody to action by oil mist remover 2
The mist of oil of upper space 3 is sucked out.
Embodiment 2
As another preferred embodiment of the present invention, referring to Figure of description 1 and 2, present embodiment discloses:
Generate electricity sump oil mist prevention system, including rotary part 11 and oil groove, and an internal seal structure 4 is arranged in the oil groove,
Oil groove inner space is divided into upper space 3 and lower space 5 by the internal seal structure 4, under the liquid level in oil groove is located at
In portion space 5 and it is lower than internal seal structure 4, internal seal structure 4 obstructs the mist of oil in oil groove in lower space 5；Institute
Upper space 3 is stated to be connected to oil mist remover 2；The lower space 5 is connected by pipeline with mist of oil condensing unit 6, oil
After mist of oil is condensed into liquid by mist condensing unit 6, liquid oil after partial condensation by mist of oil condensing unit 6 and lower space 5 it
Between the pipeline that is connected to be back to lower space 5, the liquid after partial condensation flows to cold oil collection device 7 by pipeline, described cold
Additional pump is provided on oily collection device 7, the pipeline that cold oil recyclable device is connected to lower space 5 is arranged in the additional pump
On, by the lower space 5 for the cold oil pump oil-recovery tank being collected into cold oil collection device 7；Referring to Figure of description 1, the oil groove
Through-hole II 25 is provided on the rotary part 11 of lower space 5, the through-hole II 25 is located at 5 lubricating oil of lower space, 9 liquid level or more,
Keep off 12 or less tubing seal.
As shown in Fig. 2, the internal seal structure 4 includes supporting element 14, sealing element 15 and fueller 16, supporting element 14
One end is connected on the oil groove wall 8 of the side of oil groove, and the other end connects sealing element 15, the sealing element 15 and 11 shape of rotary part
At gap I 17 and gap II 18, oil pocket 19 is provided between gap I 17 and gap II 18, the fueller 16 passes through pipe
Road is connected to oil pocket 19, from fueller 16 into oil pocket 19 fuel feeding.
In the present embodiment, the internal seal structure 4 is it is also possible that include supporting element 14 referring to Figure of description 7
With sealing element 15,14 one end of supporting element is connected on the oil groove wall 8 of the side of oil groove, and the other end connects sealing element 15, described close
Sealing 15 and rotary part 11 form gap I 17 and gap II 18, and oil pocket 19 is provided between gap I 17 and gap II 18,
Correspond to 19 position of oil pocket on rotary part 11 and offer through-hole I 24, I 24 upper end of through-hole is connected to oil pocket 19, lower end with
Oil groove lower space 5 is connected to and is located at 9 liquid level of lubricating oil of lower space 5 hereinafter, being by the through-hole I 24 on rotary part 11
19 fuel feeding of oil pocket.
Embodiment 3
As another preferred embodiment of the present invention, referring to Figure of description 1-8, present embodiment discloses:
Generate electricity sump oil mist prevention system, including rotary part 11 and oil groove, and an internal seal structure 4 is arranged in the oil groove,
Oil groove inner space is divided into upper space 3 and lower space 5 by the internal seal structure 4, under the liquid level in oil groove is located at
In portion space 5 and it is lower than internal seal structure 4, internal seal structure 4 obstructs the mist of oil in oil groove in lower space 5；Institute
Upper space 3 is stated to be connected to oil mist remover 2；The lower space 5 is connected by pipeline with mist of oil condensing unit 6, oil
After mist of oil is condensed into liquid by mist condensing unit 6, liquid oil after partial condensation by mist of oil condensing unit 6 and lower space 5 it
Between the pipeline that is connected to be back to lower space 5, the liquid after partial condensation flows to cold oil collection device 7 by pipeline, described cold
Additional pump is provided on oily collection device 7, the pipeline that cold oil recyclable device is connected to lower space 5 is arranged in the additional pump
On, by the lower space 5 for the cold oil pump oil-recovery tank being collected into cold oil collection device 7.As shown in Fig. 2, the inner sealing knot
Structure 4 includes supporting element 14, sealing element 15 and fueller 16, and 14 one end of supporting element is connected on the oil groove wall 8 of the side of oil groove,
The other end connects sealing element 15, and the sealing element 15 forms gap I 17 and gap II 18 with rotary part 11, in I 17 He of gap
It is provided with oil pocket 19 between gap II 18, the fueller 16 is connected to by pipeline with oil pocket 19, from fueller 16 to oil
Fuel feeding in chamber 19；Referring to Figure of description 1, through-hole II 25 is provided on the rotary part 11 of the oil groove lower space 5, it is described logical
Hole II 25 is located at 5 lubricating oil of lower space, 9 liquid level or more, keeps off 12 or less tubing seal.
In the present embodiment, the internal seal structure 4 is it is also possible that include supporting element 14 referring to Figure of description 7
With sealing element 15,14 one end of supporting element is connected on the oil groove wall 8 of the side of oil groove, and the other end connects sealing element 15, described close
Sealing 15 and rotary part 11 form gap I 17 and gap II 18, and oil pocket 19 is provided between gap I 17 and gap II 18,
Correspond to 19 position of oil pocket on rotary part 11 and offer through-hole I 24, I 24 upper end of through-hole is connected to oil pocket 19, lower end with
Oil groove lower space 5 is connected to and is located at 9 liquid level of lubricating oil of lower space 5 hereinafter, being by the through-hole I 24 on rotary part 11
19 fuel feeding of oil pocket.
Further, referring to Figure of description 3,19 upper end of oil pocket of the sealing element 15 is corresponded at I 17 position of gap
It is provided with Inverse spiral seal tooth 20.
Further, referring to Figure of description 4,19 upper end of oil pocket of sealing element 15 corresponds to be set at the position in gap I 17
It is equipped with multistage Inverse spiral seal tooth 20, and is provided with oil back chamber 21 between adjacent two sections of sealings, the oil back chamber 21 passes through setting
Oil return hole 22 inside sealing element 15 is connected to the lower space 5 of oil groove.
Alternatively, referring to Figure of description 9,19 upper end of oil pocket of sealing element 15 correspond to be provided at the position in gap I 17 it is more
Section Inverse spiral seal tooth 20 and labyrinth seal 26, (two sections are shown in Fig. 9) and adjacent two sections of sealings (i.e. labyrinth seal and labyrinth
Between sealing or between labyrinth seal and Inverse spiral seal tooth or Inverse spiral seal tooth and labyrinth seal) between be provided with oil return
Chamber 21, the oil back chamber 21 pass through the oil return hole 22 being arranged in inside sealing element 15 and are connected to the lower space 5 of oil groove.It is described close
19 lower end of oil pocket of sealing 15, which corresponds to, is provided with helixseal 23 or Inverse spiral seal tooth 20 at II 18 position of gap.
Further, referring to Figure of description 5,19 lower end of oil pocket of the sealing element 15 is corresponded at II 18 position of gap
It is provided with Inverse spiral seal tooth 20 identical with 20 direction of Inverse spiral seal tooth in gap I 17.
Further, referring to Figure of description 6,19 lower end of oil pocket of the sealing element 15 is corresponded at II 18 position of gap
It is provided with the helixseal 23 contrary with the Inverse spiral seal tooth 20 in gap I 17.
Claims (7)
1. generate electricity sump oil mist prevention system, including rotary part (11) and oil groove, it is characterised in that: setting one in the oil groove
Oil groove inner space is divided into upper space (3) and lower space by internal seal structure (4), the internal seal structure (4)
(5), the liquid level in oil groove is located in lower space (5) and lower than internal seal structure (4), and internal seal structure (4) is by oil groove
Interior mist of oil barrier is in lower space (5)；The upper space (3) is connected to oil mist remover (2)；The lower space
(5) it is connected by pipeline with mist of oil condensing unit (6), after mist of oil is condensed into liquid by mist of oil condensing unit (6), partial condensation
Liquid oil afterwards is back to lower space (5), part by the pipeline being connected between mist of oil condensing unit (6) and lower space (5)
Condensed liquid is flowed to cold oil collection device (7) by pipeline, is provided with additional pump, institute on the cold oil collection device (7)
It states additional pump to be arranged on the pipeline that cold oil recyclable device is connected to lower space (5), will be collected into cold oil collection device (7)
Cold oil pump oil-recovery tank lower space (5)；Through-hole II is provided on the rotary part (11) of the oil groove lower space (5)
(25), the through-hole II (25) is located at lower space (5) lubricating oil (9) liquid level or more, and gear tubing seal (12) is below.
2. power generation sump oil mist prevention system as described in claim 1, it is characterised in that: internal seal structure (4) packet
Supporting element (14), sealing element (15) and fueller (16) are included, supporting element (14) one end is connected to the oil groove wall of the side of oil groove
(8) on, the other end connects sealing element (15), and the sealing element (15) and rotary part (11) form gap I (17) and gap II
(18), it is provided between gap I (17) and gap II (18) oil pocket (19), the fueller (16) passes through pipeline and oil pocket
(19) it is connected to, from fueller (16) to oil pocket (19) interior fuel feeding.
3. power generation sump oil mist prevention system as described in claim 1, it is characterised in that: internal seal structure (4) packet
Supporting element (14) and sealing element (15) are included, supporting element (14) one end is connected on the oil groove wall (8) of the side of oil groove, and the other end connects
It connects sealing element (15), the sealing element (15) and rotary part (11) form gap I (17) and gap II (18), in gap I
(17) it is provided with oil pocket (19) between gap II (18), oil pocket (19) position is corresponded on rotary part (11) and offers through-hole
I (24), through-hole I (24) upper end are connected to oil pocket (19), and lower end is connected to oil groove lower space (5) and is located at lower space
(5) lubricating oil (9) liquid level is hereinafter, be oil pocket (19) fuel feeding by the through-hole I (24) on rotary part (11).
4. power generation sump oil mist prevention system as claimed in claim 2 or claim 3, it is characterised in that: the oil of the sealing element (15)
Chamber (19) upper end, which corresponds to, is provided with Inverse spiral seal tooth (20) or labyrinth seal (26) at gap I (17) position.
5. power generation sump oil mist prevention system as claimed in claim 2 or claim 3, it is characterised in that: the oil pocket of sealing element (15)
(19) upper end corresponds to and is provided with multistage Inverse spiral seal tooth (20) or labyrinth seal (26) at the position in gap I (17), and adjacent
It is provided with oil back chamber (21) between two sections of sealings, the oil back chamber (21) oil return hole internal in sealing element (15) by setting
(22) it is connected to the lower space of oil groove (5).
6. power generation sump oil mist prevention system as claimed in claim 4, it is characterised in that: the oil pocket of the sealing element (15)
(19) lower end, which corresponds to, is provided with anti-spiral shell identical with Inverse spiral seal tooth (20) direction in gap I (17) at gap II (18) position
Rotation sealing tooth (20).
7. power generation sump oil mist prevention system as claimed in claim 5, it is characterised in that: the oil pocket of the sealing element (15)
(19) lower end, which corresponds to, is provided with the spiral contrary with the Inverse spiral seal tooth (20) in gap I (17) at gap II (18) position
It seals (23).
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| CN201910753195.XA CN110469672B (en) | 2019-08-15 | 2019-08-15 | Oil mist prevention system for generator oil groove |
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| CN201910753195.XA CN110469672B (en) | 2019-08-15 | 2019-08-15 | Oil mist prevention system for generator oil groove |
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| CN112555422A (en) * | 2020-11-02 | 2021-03-26 | 中国长江电力股份有限公司 | Self-pumping self-adjusting infinite circulation sealing system and using method |
| CN115164080A (en) * | 2022-07-15 | 2022-10-11 | 东方电气集团东方电机有限公司 | Generator, starting method and shutdown method thereof, and computer readable storage medium |
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| CN110469672B (en) | 2020-12-25 |
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