CN107120269A - A kind of double end-face mechanical sealing device with annular channel - Google Patents
A kind of double end-face mechanical sealing device with annular channel Download PDFInfo
- Publication number
- CN107120269A CN107120269A CN201710550226.2A CN201710550226A CN107120269A CN 107120269 A CN107120269 A CN 107120269A CN 201710550226 A CN201710550226 A CN 201710550226A CN 107120269 A CN107120269 A CN 107120269A
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- ring
- impeller
- stationary
- seat
- groove
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
- F04C—ROTARY-PISTON, OR OSCILLATING-PISTON, POSITIVE-DISPLACEMENT MACHINES FOR LIQUIDS; ROTARY-PISTON, OR OSCILLATING-PISTON, POSITIVE-DISPLACEMENT PUMPS
- F04C15/00—Component parts, details or accessories of machines, pumps or pumping installations, not provided for in groups F04C2/00 - F04C14/00
- F04C15/0003—Sealing arrangements in rotary-piston machines or pumps
- F04C15/0034—Sealing arrangements in rotary-piston machines or pumps for other than the working fluid, i.e. the sealing arrangements are not between working chambers of the machine
- F04C15/0038—Shaft sealings specially adapted for rotary-piston machines or pumps
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- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Structures Of Non-Positive Displacement Pumps (AREA)
Abstract
The present invention relates to field of oilfield exploitation, more particularly to a kind of double end-face mechanical sealing device with annular channel.Including shell, connection ring, capping, stationary seat, stationary ring, rotating ring, curved channel device, rotating seat, rotating ring seat supports, spring, auxiliary seal ring, axle sleeve, the axle sleeve is interference fitted with rotating shaft, the rotating ring is arranged on rotating seat, the rotating seat is connected by spring with rotating ring seat supports, the right-hand member of the rotating ring and the left end of stationary ring are brought into close contact, the stationary ring is arranged on stationary seat, the curved channel device is placed in stationary seat, the capping, stationary seat, annulus is surrounded between curved channel device, the capping, curved channel device, ring-shaped groove is surrounded between axle sleeve.Beneficial effect：Install curved channel device additional in stationary seat, the solid particle in seawater is flowed with circulation, solid particle can be prevented to enter in pump, heat exchange speed is accelerated.
Description
Technical field
The present invention relates to field of oilfield exploitation, more particularly to a kind of double end-face mechanical sealing device with annular channel.
Background technology
The crude oil produced in seabed, which needs to give rise in ground, pump by booster pump, has 6MPa or so between medium and seawater
Pressure difference, it is necessary to medium and seawater in reliable mechanical seal isolation pump, for the standby not nationwide examination for graduation qualification of the expensive extra large frock of renewal cost
Consider the parts for changing wherein individual defects, thus it is guaranteed that the long-time steady operation of mechanical seal can both reduce production cost,
Also the safety and stability of production can be ensured.The crude oil that offshore mining goes out has silt content high, the features such as pressure is high, mechanical seal it is close
The prolonged continuous frictional of seal ring can produce substantial amounts of heat, sealing ring and seal ring seat meeting temperature distortion, cause on sealing ring
Cooperation impetus differ, aggravate sealing ring on some regions abrasion, cause seal failure, in addition, sand in crude oil etc.
Solid particle can be entered in seal face, cause the abrasion of sealing ring, reduced the service life of sealing ring, made seal failure.
For twin-screw mechanical seal for pump under water, once failed in continuous running under water, Quimby pump integral device
It will be rejected, therefore on the premise of sealing effectiveness is ensured, improve the life-span of mechanical seal, the fortune of equipment can be effectively improved
The row time, greatly save outlay of production.Existing mechanical seal structure is to take away sealing by sealing fluid and outside liquid circulation
Heat on ring, but in seabed, this mode is realized difficult and with high costs；Using in the additional rubber ring isolation solid of sealing ring
Particle prevents solid particle from invading, but when the crude oil pressure to be lifted reaches 6MPa, because rubber hardness is low, therefore rubber
It can be close under the effect of the pressure on sealing ring, the relative rotation between influence dynamic and static ring.
The content of the invention
Present invention seek to address that above mentioned problem is there is provided a kind of double end-face mechanical sealing device with annular channel, it
Install curved channel device additional in stationary seat, the solid particle in seawater is flowed with circulation, solid particle can be prevented to enter
In pump, heat exchange speed is accelerated, the technical scheme that it is used is as follows：
A kind of double end-face mechanical sealing device with annular channel, including it is shell, connection ring, capping, stationary seat, quiet
Ring, rotating ring, curved channel device, rotating seat, rotating ring seat supports, spring, auxiliary seal ring, axle sleeve, the axle sleeve and rotating shaft
It is full of cooperation, the rotating ring seat supports are provided with the 3rd screwed hole, and the rotating ring seat supports are fixed by screws on axle sleeve, described
Rotating ring is arranged on rotating seat, and the rotating seat is connected by spring with rotating ring seat supports, and the rotating seat is enclosed on axle sleeve, institute
State auxiliary seal ring to be placed in the gap between rotating seat and axle sleeve, the right-hand member of the rotating ring and the left end of stationary ring are brought into close contact,
The stationary ring is arranged on stationary seat, and the stationary seat is clipped between connection ring and capping, and the curved channel device is placed in quiet
In ring seat, the capping is provided with the first fixed pin holes, and the capping is brought into close contact and by pin connection with stationary seat, described curved
Circle distribution has ten first through hole on meander duct device, ring-type is surrounded between the capping, stationary seat, curved channel device empty
Between, the capping, ring-shaped groove is surrounded between curved channel device, axle sleeve, the capping, stationary seat and connection ring are closely pasted
Close, the capping is fixed by screws in connection ring, and the connection ring is brought into close contact with shell.
It is preferred that, the shell is cylindrical shape, and the shell is provided with the first screwed hole, and the two ends of the shell are set respectively
There are eight screwed holes, the shell is connected by screw with connection ring.
It is preferred that, the connection ring is to be provided with annular shape, the inner ring of the connection ring in annulus projection, the connection ring
It is uniformly distributed eight the second screwed holes.
It is preferred that, eight rectangular protrusions, the rectangular protrusions and curved channel device are evenly distributed with the inside of the capping
It is in contact and compresses curved channel device.
It is preferred that, the stationary seat includes fixing groove, stationary seat main body, the first auxiliary seal ring groove, the first axis hole, quiet
Ring is provided with ring seat inner space, the second auxiliary seal ring groove, the second fixed pin holes, the second through hole, the stationary seat main body
Fan-shaped second through hole of shape fixing groove and eight circumferences, the stationary ring is arranged in fixing groove, in the stationary seat main body
It is provided with the first auxiliary seal ring groove and the second auxiliary seal ring groove, the second auxiliary seal ring groove and fixing groove phase
Logical, the center of the stationary seat main body is provided with the first axis hole, and described second through hole one end is connected with fixing groove, the other end and stationary ring
Seat inner space connection, the stationary seat main body is provided with the second fixed pin holes, second fixed pin holes and the first steady pin
Hole is communicated.
It is preferred that, the curved channel device includes forming wide between stationary blade wheel, movable vane wheel, stationary blade wheel and the movable vane wheel
The curved channel for 1mm is spent, the stationary blade wheel is stuck on stationary seat, right-hand member and the capping of the stationary blade wheel are brought into close contact, described
Movable vane wheel is connected with axle sleeve by key.
It is preferred that, the stationary blade wheel includes left part, middle part, right part, and the left part includes projection, the second axis hole, the first company
Junctor, the 4th screwed hole, left part main body, left part boss, the 3rd auxiliary seal ring groove, the left part main body is provided with eight circles
The sector of week arrangement is raised, in the second through hole on the raised insertion stationary seat, the raised thickness and the second through hole
Depth is identical, and the raised surrounding scribbles rubber, and the raised left side is fitted with stationary ring, the left part main body it is cylindrical
Two the first connectors positioned opposite are fixed with side face, first connector is provided with the 4th screwed hole, the left part
The right-hand member of main body is provided with left part boss, and the left part boss is provided with the 3rd auxiliary seal ring groove, the left part main body
The heart is provided with the second axis hole, and the middle part includes the second connector, the 5th screwed hole, mid-section body, the groove of middle part first, middle part the
Two the second connectors positioned opposite, second connector are fixed with two grooves, the outer circumference surface of the mid-section body
The 5th screwed hole is provided with, the left end of the mid-section body is provided with the first groove of middle part, and right-hand member is provided with the second groove of middle part, described
Right part includes Triaxial hole, the 3rd connector, the 6th screwed hole, right part main body, right part boss, the 4th auxiliary seal ring groove,
It is fixed with two the 3rd connectors positioned opposite on the outer circumference surface of the right part main body, the 3rd connector is provided with the
Six screwed holes, the left end of the right part main body, which is provided with right part boss, the right part boss, is provided with the 4th auxiliary seal ring groove,
The center of the right part main body is provided with Triaxial hole, the first groove of the left part boss insertion middle part, and the right part boss is inserted
Enter in the second groove of middle part.
It is preferred that, the movable vane wheel includes lobus sinister wheel, middle impeller, lobus dexter wheel, and the lobus sinister wheel, middle blade wheel structure are identical,
The lobus sinister wheel includes the first impeller, the first impeller boss, the first impeller keyway, the first impeller bore, and first impeller is connected
On the first impeller boss, the first impeller keyway and the first impeller bore, first impeller are provided with the first impeller boss
Keyway and the first impeller bore are communicated, and the lobus dexter wheel includes the second impeller, the second impeller boss, the second impeller keyway, the second leaf
Wheel bore, helical blade, second impeller are connected on the second impeller boss, and the second impeller is provided with the second impeller boss
Keyway and the second impeller bore, second impeller keyway and the second impeller bore are communicated, and are fixed on the two ends of second impeller
There are six helical blades, the lobus sinister wheel, middle impeller, lobus dexter wheel are connected with axle sleeve by key, the right side of the lobus sinister wheel
Fitted with the left side of middle impeller, the left side of the lobus dexter wheel is fitted with the right side of middle impeller, the thickness of the helical blade
Spend for 0.5mm, by the way of the helical blade is bent after, its front end and the second impeller boss circumference are tangent, aft terminal and
The line of forward terminal and the angle of tangent line are 30 degree.
The invention has the advantages that：
(1) stationary seat uses tubular structure, and is provided with the fan-shaped pylone of eight circumferences, and curved channel dress is installed in inside
Put, eight on curved channel device projection can be embedded in eight through holes of stationary seat, curved channel device is connect with stationary ring
Touch and take away the frictional heat on stationary ring.
(2) curved channel device includes movable vane wheel and stationary blade wheel, and the combination of movable vane wheel and stationary blade wheel makes curved channel device
Internal runner bending, increases the contact area with seawater inside curved channel device, accelerates heat transfer speed, in addition,
Curved channel can stop that the lobus dexter wheel on the solid particle in seawater, movable vane wheel close to ring-shaped groove is provided with helical blade, curved
Several through holes are provided with meander duct device, during lobus dexter wheel is with axis of rotation, helical blade can promote seawater to flow, and make seawater
Ring-shaped groove, it is curved circulation formed by meander duct device, annulus, circulation can accelerate heat exchange, and make solid particle
Flowed with circulation, prevent particle from entering in pump.
Brief description of the drawings
In order to illustrate more clearly about the embodiment of the present invention or technical scheme of the prior art, below will be to embodiment or existing
There is the accompanying drawing used required in technology description to be briefly described, it should be apparent that, drawings in the following description are only this
Some embodiments of invention, for those of ordinary skill in the art, without having to pay creative labor, may be used also
To obtain other accompanying drawings according to these accompanying drawings.
Fig. 1：The entirety sectional view of the present invention；
Fig. 2：Sectional view at the curved channel device of the present invention；
Fig. 3：The stationary seat sectional view of the present invention；
Fig. 4：The stationary blade wheel sectional view of the present invention；
Fig. 5：Fig. 4 of the present invention left view；
Fig. 6：Fig. 4 of the present invention right view；
Fig. 7：Fig. 6 of the present invention A-A sectional views；
Fig. 8：The stationary blade wheel left part sectional view of the present invention；
Fig. 9：Sectional view in the middle part of the stationary blade wheel of the present invention；
Figure 10：The stationary blade wheel right part sectional view of the present invention；
Figure 11：The lobus sinister wheel side structure schematic view of the present invention；
Figure 12：The lobus sinister wheel positive structure diagram of the present invention；
Figure 13：The lobus dexter wheel side structure schematic view of the present invention.
Symbol description：
1st, shell, the 101, first screwed hole, 2, connection ring, the 201, second screwed hole, 3, capping, 4, stationary seat, 5, first
Fixed pin holes, 6, stationary ring, 7, rotating ring, 8, curved channel device, 81, stationary blade wheel, 82, movable vane wheel, 83, first through hole, 9, fixed
Groove, 10, rotating seat, 11, rotating ring seat supports, the 12, the 3rd screwed hole, 13, spring, 14, auxiliary seal ring, 15, axle sleeve, 16, ring
Shape space, 17, ring-shaped groove, 18, stationary seat main body, the 19, first auxiliary seal ring groove, the 20, first axis hole, 21, stationary seat
Inner space, the 22, second auxiliary seal ring groove, the 23, second fixed pin holes, the 24, second through hole, 25, raised, the 261, second axle
Hole, 262, Triaxial hole, the 271, first connector, the 272, second connector, the 273, the 3rd connector, the 281, the 4th screwed hole,
282nd, the 5th screwed hole, the 283, the 6th screwed hole, 29, left part main body, 291, left part boss, the 292, the 3rd auxiliary seal ring ditch
Groove, 30, mid-section body, 301, the groove of middle part first, 302, the groove of middle part second, 31, right part main body, 311, right part boss,
312nd, the 4th auxiliary seal ring groove, the 321, first impeller, the 322, second impeller, the 331, first impeller boss, the 332, second leaf
Take turns boss, the 341, first impeller keyway, the 342, second impeller keyway, the 351, first impeller bore, the 352, second impeller bore, 36, spiral shell
Vane piece.
Embodiment
Below in conjunction with the accompanying drawing in the embodiment of the present invention, the technical scheme in the embodiment of the present invention is carried out clear, complete
Site preparation is described, it is clear that described embodiment is only a part of embodiment of the invention, rather than whole embodiments.It is based on
Embodiment in the present invention, it is every other that those of ordinary skill in the art are obtained under the premise of creative work is not made
Embodiment, belongs to the scope of protection of the invention.
Term " first ", " second " in description and claims of this specification and above-mentioned accompanying drawing, etc. be to be used for area
Not similar object, without for describing specific order or precedence.It should be appreciated that the data so used are appropriate
In the case of can exchange, so that embodiments of the invention described herein for example can be with that except illustrating or describing herein
Order beyond a little is implemented.In addition, term " comprising " and " having " and their any deformation, it is intended that covering is non-exclusive
Include, for example, the process, method, system, product or the equipment that contain series of steps or unit are not necessarily limited to clearly arrange
Those steps or unit gone out, but may include not listing clearly or solid for these processes, method, product or equipment
The other steps or unit having.
The invention will be further described with example below in conjunction with the accompanying drawings：
As shown in figures 1-13, a kind of double end-face mechanical sealing device with annular channel of the present invention, including shell 1, company
Connect ring 2, it is capping 3, stationary seat 4, stationary ring 6, rotating ring 7, curved channel device 8, rotating seat 10, rotating ring seat supports 11, spring 13, auxiliary
Sealing ring 14, axle sleeve 15 are helped, the axle sleeve 15 is interference fitted with rotating shaft, and the rotating ring seat supports 11 are provided with the 3rd screwed hole
12, the rotating ring seat supports 11 are fixed by screws on axle sleeve 15, and the rotating ring 7 is arranged on rotating seat 10, the rotating ring
Seat 10 is connected by spring 13 with rotating ring seat supports 11, and the rotating seat 10 is enclosed on axle sleeve 15, and the auxiliary seal ring 14 is put
In gap between rotating seat 10 and axle sleeve 15, the left end of the right-hand member and stationary ring 6 of the rotating ring 7 is brought into close contact, the stationary ring 6
On stationary seat 4, the stationary seat 4 is clipped between connection ring 2 and capping 3, and the curved channel device 8 is placed in stationary seat
In 4, the capping 3 is provided with the first fixed pin holes 5, and the capping 3 is brought into close contact and by pin connection with stationary seat 4, described
Circle distribution has ten first through hole 83 on curved channel device 8, is enclosed between the capping 3, stationary seat 4, curved channel device 8
Circlewise space 16, surround ring-shaped groove 17, the capping 3, stationary ring between the capping 3, curved channel device 8, axle sleeve 15
Seat 4 is brought into close contact with connection ring 2, and the capping 3 is fixed by screws in connection ring 2, and the connection ring 2 and shell 1 are close
Laminating.
It is preferred that, the shell 1 is cylindrical shape, for the support of inner components, protects inner components, the shell
1 is provided with the first screwed hole 101, and first screwed hole 101 is as the liquid injection port of sealing fluid, and injection sealing fluid is later by twisting
Enter screw to block the first screwed hole 101, the two ends of the shell 1 are respectively equipped with eight screwed holes, the shell 1 and connection ring
2 are connected by screw.
It is preferred that, the connection ring 2 is that annulus projection, the connection ring are provided with annular shape, the inner ring of the connection ring 2
Eight the second screwed holes 201 are uniformly distributed on 2.
It is preferred that, the inner side of capping 3 is evenly distributed with eight rectangular protrusions, the rectangular protrusions and curved channel device
8 are in contact and compress curved channel device 8.
It is preferred that, the stationary seat 4 includes fixing groove 9, stationary seat main body 18, the first auxiliary seal ring groove 19, first
Axis hole 20, stationary seat inner space 21, the second auxiliary seal ring groove 22, the second fixed pin holes 23, the second through hole 24, it is described quiet
Fan-shaped second through hole 24 of annular retaining grooves 9 and eight circumferences is provided with ring seat main body 18, the stationary ring 6, which is arranged on, to be fixed
In groove 9, the first auxiliary seal ring groove 19 and the second auxiliary seal ring groove 22, described are provided with the stationary seat main body 18
Two auxiliary seal ring grooves 22 are communicated with fixing groove 9, and the center of the stationary seat main body 18 is provided with the first axis hole 20, and rotating shaft is from
One axis hole 20 is passed through, and described one end of second through hole 24 is connected with fixing groove 9, and the other end is connected with stationary seat inner space 21, institute
Stationary seat main body 18 is stated provided with the second fixed pin holes 23, second fixed pin holes 23 are communicated with the first fixed pin holes 5.
It is preferred that, the curved channel device 8 includes stationary blade wheel 81, movable vane wheel 82, the stationary blade wheel 81 and movable vane wheel 82
Between form the curved channel that width is 1mm, the stationary blade wheel 81 is stuck on stationary seat 4, the right-hand member and envelope of the stationary blade wheel 81
Lid 3 is brought into close contact, and the movable vane wheel 82 is connected with axle sleeve 15 by key, can be rotated with axle sleeve 15.
It is preferred that, the stationary blade wheel 81 includes left part, middle part, right part, the left part include raised 25, second axis hole 261,
First connector 271, the 4th screwed hole 281, left part main body 29, left part boss 291, the 3rd auxiliary seal ring groove 292 are described
The second through hole 24 on sector projection 25 of the left part main body 29 provided with eight circumferential arrangements, the raised 25 insertion stationary seat 4
In, raised 25 thickness is identical with the depth of the second through hole 24, and raised 25 surrounding scribbles rubber, described raised 25
Left side fitted with stationary ring 6, two the first connectors positioned opposite are fixed with the outer circumference surface of the left part main body 29
271, first connector 271 is provided with the 4th screwed hole 281, and the right-hand member of the left part main body 29 is provided with left part boss 291,
The left part boss 291 is provided with the 3rd auxiliary seal ring groove 292, and the center of the left part main body 29 is provided with the second axis hole
261, rotating shaft can be passed through from the second axis hole 261, and the middle part includes the second connector 272, the 5th screwed hole 282, mid-section body
30th, two relative cloth are fixed with the first groove of middle part 301, the second groove of middle part 302, the outer circumference surface of the mid-section body 30
The second connector 272 put, second connector 272 is provided with the 5th screwed hole 282, and the left end of the mid-section body 30 is opened
There is the first groove 301 of middle part, right-hand member is provided with the second groove 302 of middle part, and the right part includes Triaxial hole 262, the 3rd connector
273rd, the 6th screwed hole 283, right part main body 31, right part boss 311, the 4th auxiliary seal ring groove 312, the right part main body 31
Outer circumference surface on be fixed with two the 3rd connectors 273 positioned opposite, the 3rd connector 273 is provided with the 6th screw thread
Hole 283, the left end of the right part main body 31, which is provided with right part boss 311, the right part boss 311, is provided with the 4th auxiliary seal ring
Groove 312, the center of the right part main body 31 is provided with Triaxial hole 262, the first groove of the insertion of left part boss 291 middle part
In 301, realize and rubber ring reality is installed in the left part of stationary blade wheel 81 and the connection at middle part, the 3rd auxiliary seal ring groove 292
In the left part of existing stationary blade wheel 81 and the sealing at middle part, the second groove 302 of the insertion of right part boss 311 middle part, stationary blade wheel is realized
The middle part that rubber ring realizes stationary blade wheel 81 is installed in 81 middle part and the connection of right part, the 4th auxiliary seal ring groove 312
With the sealing of right part, the screwed hole 281 of screw bolt passes the 4th, the 5th screwed hole 282, the 6th screwed hole 283 are by stationary blade wheel 81
Left part, middle part, right part be fixed together.
It is preferred that, the movable vane wheel 82 includes lobus sinister wheel, middle impeller, lobus dexter wheel, the lobus sinister wheel, middle blade wheel structure phase
Together, the lobus sinister wheel includes the first impeller 321, the first impeller boss 331, the first impeller keyway 341, the first impeller bore 351, institute
State the first impeller 321 to be connected on the first impeller boss 331, the first impeller keyway 341 is provided with the first impeller boss 331
With the first impeller bore 351, the impeller bore 351 of the first impeller keyway 341 and first is communicated, and the lobus dexter wheel includes the second impeller
322nd, the second impeller boss 332, the second impeller keyway 342, the second impeller bore 352, helical blade 36, second impeller 322
It is connected on the second impeller boss 332, the second impeller keyway 342 and the second impeller bore is provided with the second impeller boss 332
352, the impeller bore 352 of the second impeller keyway 342 and second is communicated, and six are respectively and fixedly provided with the two ends of second impeller 322
Piece helical blade 36, the lobus sinister wheel, middle impeller, lobus dexter wheel are connected with axle sleeve 15 by key, the right side of the lobus sinister wheel
Fitted with the left side of middle impeller, the left side of the lobus dexter wheel is fitted with the right side of middle impeller, the helical blade 36
Thickness is 0.5mm, by the way of the helical blade 36 is bent after, and its front end and the circumference of the second impeller boss 332 are tangent, after
The angle of the line and tangent line of end points and forward terminal is 30 degree.
Rotating shaft is applied in inside and outside pump, there is a circumferential clearance between rotating shaft and pump, therefore first by whole device by a left side
Load rotating shaft to the right, axle sleeve 15 is interference fitted with rotating shaft, and the outer surface of shell 1 is fitted with the inner surface in pump case hole, pump case appearance
Face is fitted with the left side of connection ring 2, and connection ring 2 is provided with equally distributed eight the second screwed holes 201, and connection ring 2 passes through
Screw is fixed on pump case, and now the parts in the left side of connection ring 2 are in pump case, and the parts on right side are in outside pump case, are opened
After pump operation, axle sleeve 15 is rotated with rotating shaft, drives movable vane wheel 82, rotating ring 7, rotating seat 10, rotating ring seat supports 11, spring
13 rotate with rotating shaft, and the seawater outside pump case first passes around ring-shaped groove 17, subsequently into stationary blade wheel 81 and movable vane wheel 82 it
Between the curved channel that is formed, the rotational agitation surrounding seawater of the lobus dexter wheel with helical blade 36, surrounding seawater on movable vane wheel 82
Annulus 16 is entered by the curved first through hole 83 on meander duct device 8, annulus 16 is communicated with the seawater outside pump case, because
Seawater outside this pump case under the drive of lobus dexter wheel in ring-shaped groove 17, curved ring formed by meander duct device 8, annulus 16
Solid particle in stream, seawater is also moved with circulation, and remaining solid particle can be by the curved channel around lobus sinister wheel, middle impeller
Stop, curved channel adds the contact area of device and seawater, and the projection 25 of curved channel device 8 with stationary ring 6 by connecting
The frictional heat for taking away stationary ring 6 and rotating ring 7 is touched, circulation makes seawater take away the heat of curved channel device 8, prevent solid particle from entering
In pump.
Finally it should be noted that：Various embodiments above is merely illustrative of the technical solution of the present invention, rather than its limitations；To the greatest extent
The present invention is described in detail with reference to foregoing embodiments for pipe, it will be understood by those within the art that：Its according to
The technical scheme described in foregoing embodiments can so be modified, or which part or all technical characteristic are entered
Row equivalent substitution；And these modifications or replacement, the essence of appropriate technical solution is departed from various embodiments of the present invention technology
The scope of scheme.
Claims (8)
1. a kind of double end-face mechanical sealing device with annular channel, it is characterised in that：Including shell, connection ring, capping, quiet
Ring seat, stationary ring, rotating ring, curved channel device, rotating seat, rotating ring seat supports, spring, auxiliary seal ring, axle sleeve, the axle sleeve with
Rotating shaft is interference fitted, and the rotating ring seat supports are provided with the 3rd screwed hole, and the rotating ring seat supports are fixed by screws in axle sleeve
On, the rotating ring is arranged on rotating seat, and the rotating seat is connected by spring with rotating ring seat supports, and the rotating seat is enclosed on axle
Put, the auxiliary seal ring is placed in the gap between rotating seat and axle sleeve, the right-hand member of the rotating ring and the left end of stationary ring are tight
Closely connected to close, the stationary ring is arranged on stationary seat, and the stationary seat is clipped between connection ring and capping, the curved channel device
It is placed in stationary seat, the capping is provided with the first fixed pin holes, the capping is brought into close contact and by pin connection with stationary seat,
Circle distribution has ten first through hole on the curved channel device, is surrounded between the capping, stationary seat, curved channel device
Annulus, surrounds ring-shaped groove between the capping, curved channel device, axle sleeve, the capping, stationary seat and connection ring are tight
Closely connected to close, the capping is fixed by screws in connection ring, and the connection ring is brought into close contact with shell.
2. a kind of double end-face mechanical sealing device with annular channel according to claim 1, it is characterised in that：It is described
Shell is cylindrical shape, and the shell is provided with the first screwed hole, and the two ends of the shell are respectively equipped with eight screwed holes, described outer
Shell is connected by screw with connection ring.
3. a kind of double end-face mechanical sealing device with annular channel according to claim 1, it is characterised in that：It is described
Connection ring is to be provided with annulus projection, the connection ring to be uniformly distributed eight the second spiral shells at annular shape, the inner ring of the connection ring
Pit.
4. a kind of double end-face mechanical sealing device with annular channel according to claim 1, it is characterised in that：It is described
Capping inner side is evenly distributed with eight rectangular protrusions, and the rectangular protrusions are in contact with curved channel device and compress curved channel
Device.
5. a kind of double end-face mechanical sealing device with annular channel according to claim 1, it is characterised in that：It is described
Stationary seat includes fixing groove, stationary seat main body, the first auxiliary seal ring groove, the first axis hole, stationary seat inner space, second auxiliary
Help in o-ring groove, the second fixed pin holes, the second through hole, the stationary seat main body and be provided with annular retaining grooves and eight circumference cloth
Fan-shaped second through hole put, the stationary ring is arranged in fixing groove, and the first auxiliary seal ring ditch is provided with the stationary seat main body
Groove and the second auxiliary seal ring groove, the second auxiliary seal ring groove are communicated with fixing groove, in the stationary seat main body
The heart is provided with the first axis hole, and described second through hole one end is connected with fixing groove, and the other end is connected with stationary seat inner space, described quiet
Ring seat main body is provided with the second fixed pin holes, and second fixed pin holes are communicated with the first fixed pin holes.
6. a kind of double end-face mechanical sealing device with annular channel according to claim 1, it is characterised in that：It is described
Curved channel device includes forming the curved channel that width is 1mm between stationary blade wheel, movable vane wheel, stationary blade wheel and the movable vane wheel,
The stationary blade wheel is stuck on stationary seat, and right-hand member and the capping of the stationary blade wheel are brought into close contact, and the movable vane wheel passes through key with axle sleeve
Connection.
7. a kind of double end-face mechanical sealing device with annular channel according to claim 1, it is characterised in that：It is described
Stationary blade wheel includes left part, middle part, right part, and the left part includes projection, the second axis hole, the first connector, the 4th screwed hole, left part
Main body, left part boss, the 3rd auxiliary seal ring groove, sector of the left part main body provided with eight circumferential arrangements are raised, institute
State in the second through hole on raised insertion stationary seat, the raised thickness is identical with the depth of the second through hole, described raised
Surrounding scribbles rubber, and the raised left side is fitted with stationary ring, and two phases are fixed with the outer circumference surface of the left part main body
To the first connector of arrangement, first connector is provided with the 4th screwed hole, and the right-hand member of the left part main body is provided with left part
Boss, the left part boss is provided with the 3rd auxiliary seal ring groove, and the center of the left part main body is provided with the second axis hole.It is described
Middle part includes the second connector, the 5th screwed hole, mid-section body, the groove of middle part first, the groove of middle part second, the mid-section body
Outer circumference surface on be fixed with two the second connectors positioned opposite, second connector is provided with the 5th screwed hole, institute
The left end for stating mid-section body is provided with the first groove of middle part, and right-hand member is provided with the second groove of middle part.The right part includes Triaxial hole, the
Three connectors, the 6th screwed hole, right part main body, right part boss, the 4th auxiliary seal ring groove, the excircle of the right part main body
Two the 3rd connectors positioned opposite are fixed with face, the 3rd connector is provided with the 6th screwed hole, the right part master
The left end of body is provided with right part boss, the right part boss and is provided with the 4th auxiliary seal ring groove, the center of the right part main body
It is provided with Triaxial hole, the first groove of the left part boss insertion middle part, in the second groove of the right part boss insertion middle part.
8. a kind of double end-face mechanical sealing device with annular channel according to claim 1, it is characterised in that：It is described
Movable vane wheel includes lobus sinister wheel, middle impeller, lobus dexter wheel, and the lobus sinister wheel, middle blade wheel structure are identical, and the lobus sinister wheel includes the first leaf
Wheel, the first impeller boss, the first impeller keyway, the first impeller bore, first impeller is connected on the first impeller boss, described
The first impeller keyway and the first impeller bore are provided with first impeller boss, first impeller keyway and the first impeller bore are communicated,
The lobus dexter wheel includes the second impeller, the second impeller boss, the second impeller keyway, the second impeller bore, helical blade, described second
Impeller is connected on the second impeller boss, and the second impeller keyway and the second impeller bore are provided with the second impeller boss, described
Second impeller keyway and the second impeller bore are communicated, and six helical blades, the left side are respectively and fixedly provided with the two ends of second impeller
Impeller, middle impeller, lobus dexter wheel are connected with axle sleeve by key, and the right side of the lobus sinister wheel is fitted with the left side of middle impeller,
Fitted with the right side of middle impeller the left side of the lobus dexter wheel.
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| Application Number | Priority Date | Filing Date | Title |
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| CN201710550226.2A CN107120269B (en) | 2017-07-07 | 2017-07-07 | A kind of double end-face mechanical sealing device with annular channel |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710550226.2A CN107120269B (en) | 2017-07-07 | 2017-07-07 | A kind of double end-face mechanical sealing device with annular channel |
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| CN107120269A true CN107120269A (en) | 2017-09-01 |
| CN107120269B CN107120269B (en) | 2018-06-26 |
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| CN201710550226.2A Expired - Fee Related CN107120269B (en) | 2017-07-07 | 2017-07-07 | A kind of double end-face mechanical sealing device with annular channel |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112228564A (en) * | 2020-11-06 | 2021-01-15 | 神木市金承机械科技有限公司 | Wet-type drilling rotation mechanism |
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| CN2259526Y (en) * | 1996-07-05 | 1997-08-13 | 中国成达化学工程公司 | Gather packing mechanical sealing and shaft seal container |
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| CN104169621A (en) * | 2012-08-22 | 2014-11-26 | 伊格尔工业股份有限公司 | Double mechanical seal device |
| WO2017017227A1 (en) * | 2015-07-30 | 2017-02-02 | Nuovo Pignone Tecnologie Srl | Dry gas seal cooling arrangement and method |
| CN206988102U (en) * | 2017-07-07 | 2018-02-09 | 中国石油大学(华东) | A kind of double end-face mechanical sealing device with annular channel |
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2017
- 2017-07-07 CN CN201710550226.2A patent/CN107120269B/en not_active Expired - Fee Related
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2259526Y (en) * | 1996-07-05 | 1997-08-13 | 中国成达化学工程公司 | Gather packing mechanical sealing and shaft seal container |
| US20050242515A1 (en) * | 2004-04-28 | 2005-11-03 | Brooks Melvin D | Dry gas seal and method for making the same |
| CN202500814U (en) * | 2012-03-20 | 2012-10-24 | 宁波伏尔肯机械密封件制造有限公司 | Double-end-face mechanical sealing device for pump |
| CN104169621A (en) * | 2012-08-22 | 2014-11-26 | 伊格尔工业股份有限公司 | Double mechanical seal device |
| CN102966739A (en) * | 2012-12-05 | 2013-03-13 | 东莞市华汇精密机械有限公司 | Bellows mechanical sealing device with self-circulation function |
| WO2017017227A1 (en) * | 2015-07-30 | 2017-02-02 | Nuovo Pignone Tecnologie Srl | Dry gas seal cooling arrangement and method |
| CN206988102U (en) * | 2017-07-07 | 2018-02-09 | 中国石油大学(华东) | A kind of double end-face mechanical sealing device with annular channel |
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| CN112228564A (en) * | 2020-11-06 | 2021-01-15 | 神木市金承机械科技有限公司 | Wet-type drilling rotation mechanism |
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|---|---|
| CN107120269B (en) | 2018-06-26 |
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