CN114087364A - Large axial float double-end-face mechanical sealing device for rake dryer - Google Patents
Large axial float double-end-face mechanical sealing device for rake dryer Download PDFInfo
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- CN114087364A CN114087364A CN202111322635.XA CN202111322635A CN114087364A CN 114087364 A CN114087364 A CN 114087364A CN 202111322635 A CN202111322635 A CN 202111322635A CN 114087364 A CN114087364 A CN 114087364A
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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
- F16J15/16—Sealings between relatively-moving surfaces
- F16J15/34—Sealings between relatively-moving surfaces with slip-ring pressed against a more or less radial face on one member
- F16J15/3436—Pressing means
- F16J15/3452—Pressing means the pressing force resulting from the action of a spring
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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
- F16C—SHAFTS; FLEXIBLE SHAFTS; ELEMENTS OR CRANKSHAFT MECHANISMS; ROTARY BODIES OTHER THAN GEARING ELEMENTS; BEARINGS
- F16C33/00—Parts of bearings; Special methods for making bearings or parts thereof
- F16C33/72—Sealings
- F16C33/76—Sealings of ball or roller bearings
- F16C33/78—Sealings of ball or roller bearings with a diaphragm, disc, or ring, with or without resilient members
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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
- F16C—SHAFTS; FLEXIBLE SHAFTS; ELEMENTS OR CRANKSHAFT MECHANISMS; ROTARY BODIES OTHER THAN GEARING ELEMENTS; BEARINGS
- F16C35/00—Rigid support of bearing units; Housings, e.g. caps, covers
- F16C35/04—Rigid support of bearing units; Housings, e.g. caps, covers in the case of ball or roller bearings
- F16C35/06—Mounting or dismounting of ball or roller bearings; Fixing them onto shaft or in housing
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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
- F16J15/16—Sealings between relatively-moving surfaces
- F16J15/32—Sealings between relatively-moving surfaces with elastic sealings, e.g. O-rings
- F16J15/324—Arrangements for lubrication or cooling of the sealing itself
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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
- F16J15/16—Sealings between relatively-moving surfaces
- F16J15/32—Sealings between relatively-moving surfaces with elastic sealings, e.g. O-rings
- F16J15/3268—Mounting of sealing rings
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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
- F16J15/16—Sealings between relatively-moving surfaces
- F16J15/34—Sealings between relatively-moving surfaces with slip-ring pressed against a more or less radial face on one member
- F16J15/3404—Sealings between relatively-moving surfaces with slip-ring pressed against a more or less radial face on one member and characterised by parts or details relating to lubrication, cooling or venting of the seal
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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
- F16J15/16—Sealings between relatively-moving surfaces
- F16J15/34—Sealings between relatively-moving surfaces with slip-ring pressed against a more or less radial face on one member
- F16J15/3496—Sealings between relatively-moving surfaces with slip-ring pressed against a more or less radial face on one member use of special materials
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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
- F16J15/50—Sealings between relatively-movable members, by means of a sealing without relatively-moving surfaces, e.g. fluid-tight sealings for transmitting motion through a wall
- F16J15/52—Sealings between relatively-movable members, by means of a sealing without relatively-moving surfaces, e.g. fluid-tight sealings for transmitting motion through a wall by means of sealing bellows or diaphragms
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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
- Y02P—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION OR PROCESSING OF GOODS
- Y02P70/00—Climate change mitigation technologies in the production process for final industrial or consumer products
- Y02P70/10—Greenhouse gas [GHG] capture, material saving, heat recovery or other energy efficient measures, e.g. motor control, characterised by manufacturing processes, e.g. for rolling metal or metal working
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- Engineering & Computer Science (AREA)
- General Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Mechanical Sealing (AREA)
Abstract
The invention provides a large axial float double-end-face mechanical sealing device for a rake dryer, which comprises a shaft sleeve, wherein a medium end static ring seat and an atmosphere side static ring seat are arranged on the shaft sleeve, a sealing seat is arranged between the medium end static ring seat and the atmosphere side static ring seat, a corrugated pipe is arranged at the left end of the shaft sleeve, a medium end flange is arranged at the left end of the corrugated pipe and is connected with the medium end static ring seat through a screw, a single-end-face sealing assembly is arranged on the inner side of the medium end flange, a medium end sealing assembly and an atmosphere end sealing assembly are arranged on the shaft sleeve on the right side of the medium end static ring seat, the medium end sealing assembly and the atmosphere end sealing assembly are both positioned on the inner side of the sealing seat, the large axial float double-end mechanical sealing device for the rake dryer can improve axial float through the arranged corrugated pipe, so as to meet the float requirement of the rake dryer, and then the single-end sealing assembly is arranged at the medium end, dust in the medium can be blocked from entering the sealing surface of the double-end mechanical seal.
Description
Technical Field
The invention relates to the technical field of rotary sealing of machines, in particular to a large axial play double-end-face mechanical sealing device for a rake dryer.
Background
The rake dryer is designed by strengthening and improving various materials in a slurry state, a paste state, a granular state, a powder state, a fiber state and the like on the basis of the technology of the domestic traditional vacuum rake dryer, a transmission part adopts a cylindrical gear speed reducer which works stably and durably, a driving shaft adopts a thickened solid shaft, and the stable operation of the vacuum rake dryer in various severe working environments is fully ensured;
the invention provides a large axial float double-end-face mechanical sealing device for a rake dryer, which is used for solving the problems in the prior art.
Disclosure of Invention
In view of the above problems, an object of the present invention is to provide a large axial play double-end-face mechanical sealing device for a rake dryer, which solves the above problems in the prior art by providing a bellows, a single-end-face sealing assembly, a medium-end sealing assembly, and an atmosphere-end sealing assembly.
In order to realize the purpose of the invention, the invention is realized by the following technical scheme: a large axial float double-end-face mechanical sealing device for a rake dryer comprises a shaft sleeve, wherein a medium end static ring seat and an atmosphere side static ring seat are arranged on the shaft sleeve, a sealing seat is arranged between the medium end static ring seat and the atmosphere side static ring seat, a corrugated pipe is arranged at the left end of the shaft sleeve, a medium end flange and a single-end-face static ring flange are respectively arranged at the left side and the right side of the corrugated pipe, the single-end-face static ring flange is connected with the medium end static ring seat through screws, a single-end-face sealing assembly is arranged at the inner side of the single-end-face static ring flange, a medium end sealing assembly and an atmosphere end sealing assembly are arranged on the shaft sleeve at the right side of the medium end static ring seat, the medium end sealing assembly and the atmosphere end sealing assembly are both positioned at the inner side of the sealing seat, and a sealing cooling liquid inlet and a sealing cooling liquid outlet are respectively arranged at the left side and the right side of the sealing seat, and the sealed cooling liquid inlet is communicated with the sealed cooling liquid outlet.
The further improvement lies in that: the single-end-face sealing assembly comprises a single-end-face movable ring, a single-end-face spring and a first O-shaped rubber ring, wherein the first O-shaped rubber ring is installed on the inner side of the single-end-face movable ring, the inner sides of the single-end-face movable ring and the first O-shaped rubber ring are in contact with the shaft sleeve, the single-end-face spring is installed on the single-end-face movable ring on the outer side of the first O-shaped rubber ring, and one end of the single-end-face spring is connected with the medium-end static ring seat.
The further improvement lies in that: the medium end sealing assembly comprises a medium end moving ring, the inner side of the medium end moving ring is connected with the shaft sleeve, a second O-shaped rubber ring is installed on the inner side of the medium end moving ring, a medium side spring seat is arranged on the right side of the second O-shaped rubber ring and connected with the shaft sleeve, a medium side spring is installed above the shaft sleeve on the medium side spring seat, a medium side push ring is installed on the medium side spring, and the medium side push ring is in contact with the medium end moving ring.
The further improvement lies in that: atmosphere end seal assembly includes atmosphere side spring holder, the inboard and the bushing of atmosphere side spring holder, and atmosphere side spring holder and medium side spring holder connection, the right side of atmosphere side spring holder is equipped with atmosphere side rotating ring, and is equipped with atmosphere side throw-out collar between atmosphere side spring holder and the atmosphere side rotating ring, atmosphere side throw-out collar passes through atmosphere side spring and is connected with the quiet ring seat of atmosphere side, and atmosphere side throw-out collar and atmosphere side rotating ring contact.
The further improvement lies in that: the sleeve is sleeved with two groups of oppositely arranged side stationary rings, and the two groups of side stationary rings are respectively connected with the medium end stationary ring seat and the atmosphere side stationary ring seat through bolts.
The further improvement lies in that: and an annular sealing cooling liquid groove is formed in the medium end static ring seat and communicated with the sealing cooling liquid inlet, an annular pressing plate is arranged between the medium end static ring seat and the left side static ring, and a circulation hole is formed in the annular pressing plate.
The further improvement lies in that: the bearing is installed on the axle sleeve on the right side of atmosphere side stationary ring seat, and the outside of bearing is equipped with the bearing frame, the gland is installed on the right side of bearing frame, install the circlip for the axle between gland and the bearing on the axle sleeve, and the circlip for the axle contacts with the bearing.
The further improvement lies in that: and a cooling water jacket is arranged in the sealing seat, and a jacket inlet and a jacket outlet are respectively arranged on the upper side and the lower side of the cooling water jacket on the sealing seat.
The invention has the beneficial effects that: this kind of big axial float double mechanical seal device for rake dryer is through the bellows that sets up, can improve the axial float volume, then can satisfy rake dryer's float requirement, the rethread is provided with single-ended face seal assembly at the medium end, can block that the dust in the medium enters into the sealed face of back double mechanical seal, and double mechanical seal comprises medium end seal assembly and atmosphere end seal assembly, can effectively promote the device leakproofness, avoid the gaseous effluvium of material evaporation, and simultaneously, still be equipped with the cooling jacket in the seal receptacle, thereby make sealing device have radiating function, adaptation work demand that can be better, sealing device's life is improved.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly described below, and it is obvious that the drawings in the following description are only some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to these drawings without creative efforts.
Fig. 1 is a schematic front view of the present invention.
Fig. 2 is an enlarged schematic view of part a of fig. 1 of the present invention.
Fig. 3 is an enlarged schematic view of part B of fig. 1 of the present invention.
Wherein: 1. a shaft sleeve; 2. a medium end stationary ring seat; 3. an atmosphere side stationary ring seat; 4. a sealing seat; 5. a bellows; 6. a media end flange; 7. sealing the cooling liquid inlet; 8. sealing the cooling liquid outlet; 9. a single end face movable ring; 10. a single end face spring; 11. a first O-shaped rubber ring; 12. a media-terminating rotating ring; 13. a second O-shaped rubber ring; 14. a media-side spring seat; 15. a medium-side spring; 16. a medium side push ring; 17. an atmosphere-side spring seat; 18. an atmosphere side rotating ring; 19. an atmospheric side push ring; 20. an atmosphere-side spring; 21. a lateral static ring; 22. an annular pressure plate; 23. a bearing; 24. a bearing seat; 25. a gland; 26. a circlip for the shaft; 27. a jacket inlet; 28. and (4) a jacket outlet.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
In the description of the present invention, it should be noted that the terms "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer", and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience in describing the present invention and simplifying the description, but do not indicate or imply that the referred device or element must have a specific orientation, be constructed and operated in a specific orientation, and thus, should not be construed as limiting the present invention. Furthermore, the terms "first," "second," "third," "fourth," and the like are used for descriptive purposes only and are not to be construed as indicating or implying relative importance.
In the description of the present invention, it is to be noted that, unless otherwise explicitly specified or limited, the terms "mounted", "provided" and "connected" are to be interpreted broadly, e.g. as a fixed connection, a detachable connection or an integral connection; 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 meanings of the above terms in the present invention can be understood in specific cases to those skilled in the art.
According to fig. 1-3, this embodiment provides a large axial float double-end-face mechanical sealing device for a rake dryer, which includes a shaft sleeve 1, a medium-end static ring seat 2 and an atmosphere-side static ring seat 3 are arranged on the shaft sleeve 1, a sealing seat 4 is arranged between the medium-end static ring seat 2 and the atmosphere-side static ring seat 3, a bellows 5 is arranged at the left end of the shaft sleeve 1, a medium-end flange 6 and a single-end-face static ring flange are respectively arranged at the left side and the right side of the bellows 5, the single-end-face static ring flange is connected with the medium-end static ring seat 2 through screws, a single-end-face sealing assembly is arranged at the inner side of the single-end-face static ring flange, a medium-end sealing assembly and an atmosphere-end sealing assembly are arranged on the shaft sleeve 1 at the right side of the medium-end static ring seat 2, and the atmosphere-end sealing assembly are both located at the inner side of the sealing seat 4, and a sealing cooling liquid inlet 7 and a sealing liquid outlet are respectively arranged at the left side and the left side of the sealing seat 4 The mouth 8, sealed coolant liquid import 7 and sealed coolant liquid export 8 intercommunication, wherein, medium end flange 6 is installed on the casing of harrow formula desiccator base, and bellows 5 has the flexible function of axial, can guarantee then that rear end mechanical seal's operation is not influenced by main shaft axial is flexible.
The single-end-face sealing assembly comprises a single-end-face movable ring 9, a single-end-face spring 10 and a first O-shaped rubber ring 11, the first O-shaped rubber ring 11 is installed on the inner side of the single-end-face movable ring 9, the inner sides of the single-end-face movable ring 9 and the first O-shaped rubber ring 11 are in contact with the shaft sleeve 1, the single-end-face spring 10 is installed on the single-end-face movable ring 9 on the outer side of the first O-shaped rubber ring 11, one end of the single-end-face spring 10 is connected with the medium-end static ring seat 2, the single-end-face movable ring 9 is made of carbon fiber materials and has the characteristics of wear resistance, high temperature resistance and corrosion resistance, and the sealing face mainly prevents dust in a medium from entering the rear double-end-face mechanical seal.
The medium end sealing assembly comprises a medium end moving ring 12, the inner side of the medium end moving ring 12 is connected with the shaft sleeve 1, a second O-shaped rubber ring 13 is installed on the inner side of the medium end moving ring 12, a medium side spring seat 14 is arranged on the right side of the second O-shaped rubber ring 13, the medium side spring seat 14 is connected with the shaft sleeve 1, a medium side spring 15 is installed on the medium side spring seat 14 above the shaft sleeve 1, a medium side push ring 16 is installed on the medium side spring 15, and the medium side push ring 16 is in contact with the medium end moving ring 12.
Atmosphere end seal assembly includes atmosphere side spring holder 17, the inboard and the axle sleeve 1 of atmosphere side spring holder 17 are connected, and atmosphere side spring holder 17 is connected with medium side spring holder 14, the right side of atmosphere side spring holder 17 is equipped with atmosphere side rotating ring 18, and be equipped with atmosphere side thrust ring 19 between atmosphere side spring holder 17 and the atmosphere side rotating ring 18, atmosphere side thrust ring 19 is connected with atmosphere side stationary ring seat 3 through atmosphere side spring 20, and atmosphere side thrust ring 19 and the contact of atmosphere side rotating ring 18, simultaneously, the O circle is also installed to the inboard of atmosphere side rotating ring 18, and O circle and axle sleeve 1 contact, the purpose is through the O circle to guarantee sealing performance.
The cover is equipped with the quiet ring 21 of side of two sets of relative settings on the axle sleeve 1, and just two sets of quiet rings 21 of side are connected with quiet ring seat 2 of medium end and the quiet ring seat 3 of atmosphere side through the bolt respectively, and two sets of quiet rings 21 of side contact with atmosphere side spring holder 17 and medium side spring holder 14 respectively.
The medium end static ring seat 2 is provided with a sealing cooling liquid annular groove, the sealing cooling liquid annular groove is communicated with a sealing cooling liquid inlet 7, an annular pressing plate 22 is arranged between the medium end static ring seat 2 and the left side static ring 21, a circulation hole is formed in the annular pressing plate 22, the inner side of the annular pressing plate 22 is connected with the side static ring 21, an O ring is further arranged between the annular pressing plate 22 and the side static ring 21 to improve the sealing performance, the sealing cooling liquid annular groove is filled with sealing cooling liquid (white oil) so as to be used in the operation under a high-temperature environment, the deformation of the mechanical sealing static ring is avoided, meanwhile, a sealing cooling liquid channel is formed by the medium end static ring seat 2, the side static ring 21 and the annular pressing plate 22, and the circulation hole is communicated with the inner cavity of the sealing seat 4, so that the sealing cooling liquid can flow conveniently.
The bearing 23 is installed on the shaft sleeve 1 on the right side of the atmosphere side stationary ring seat 3, and the bearing seat 24 is arranged on the outer side of the bearing 23, the gland 25 is installed on the right side of the bearing seat 24, the gland 25 is connected with the bearing seat 24, the bearing seat 24 is connected with the atmosphere side stationary ring seat 3, the shaft circlip 26 is installed on the shaft sleeve 1 between the gland 25 and the bearing 23, and the shaft circlip 26 is in contact with the bearing 23, the running precision of the whole seal is ensured through the matching of the bearing 23, the shaft circlip 26 and the shaft sleeve 38, meanwhile, the shaft sleeve 38 is fixed on the main shaft of the rake dryer through the driving assembly, and the shaft sleeve and the main shaft are sealed by adopting an O ring, the whole seal moves along with the main shaft, and in addition, framework oil seals are installed on the shaft sleeve 38 on the left side and the right side of the bearing 23.
The inside of the seal seat 4 is provided with a cooling water jacket, the upper side and the lower side of the cooling water jacket are respectively provided with a jacket inlet 27 and a jacket outlet 28 on the seal seat 4, the cooling water jacket mainly has the function of introducing cooling water, and the heat of the sealing cooling liquid is driven by the flowing of the cooling water.
The foregoing illustrates and describes the principles, general features, and advantages of the present invention. It will be understood by those skilled in the art that the present invention is not limited to the embodiments described above, which are described in the specification and illustrated only to illustrate the principle of the present invention, but that various changes and modifications may be made therein without departing from the spirit and scope of the present invention, which fall within the scope of the invention as claimed. The scope of the invention is defined by the appended claims and equivalents thereof.
Claims (8)
1. The utility model provides a big axial float double mechanical seal device for harrow formula desiccator which characterized in that: including axle sleeve (1), be equipped with medium end quiet ring seat (2) and atmosphere side quiet ring seat (3) on axle sleeve (1), and install seal receptacle (4) between medium end quiet ring seat (2) and the atmosphere side quiet ring seat (3), bellows (5) are installed to the left end of axle sleeve (1), and the left and right sides of bellows (5) install medium end flange (6) and single-ended face quiet ring flange respectively, single-ended face quiet ring flange passes through the screw and is connected with medium end quiet ring seat (2), and the inboard of single-ended face quiet ring flange is equipped with single-ended face seal assembly, the right side of medium end quiet ring seat (2) is equipped with medium end seal assembly and atmosphere end seal assembly on axle sleeve (1), and medium end seal assembly and atmosphere end seal assembly all are located the inboard of seal receptacle (4), the left and right sides of seal receptacle (4) are equipped with sealed coolant liquid inlet (7) and sealed liquid respectively on medium end quiet ring seat (2) and atmosphere side quiet ring seat (3) and the left and right sides of seal receptacle (4) And the sealing cooling liquid outlet (8), and the sealing cooling liquid inlet (7) is communicated with the sealing cooling liquid outlet (8).
2. The large axial play double-end-face mechanical seal device for the rake dryer of claim 1, wherein: the single-end-face sealing assembly comprises a single-end-face movable ring (9), a single-end-face spring (10) and a first O-shaped rubber ring (11), wherein the first O-shaped rubber ring (11) is installed on the inner side of the single-end-face movable ring (9), the inner sides of the single-end-face movable ring (9) and the first O-shaped rubber ring (11) are in contact with the shaft sleeve (1), the single-end-face spring (10) is installed on the single-end-face movable ring (9) on the outer side of the first O-shaped rubber ring (11), and one end of the single-end-face spring (10) is connected with the medium-end static ring seat (2).
3. The large axial play double-end-face mechanical seal device for the rake dryer of claim 1, wherein: the medium end sealing assembly comprises a medium end moving ring (12), the inner side of the medium end moving ring (12) is connected with the shaft sleeve (1), a second O-shaped rubber ring (13) is installed on the inner side of the medium end moving ring (12), a medium side spring seat (14) is arranged on the right side of the second O-shaped rubber ring (13), the medium side spring seat (14) is connected with the shaft sleeve (1), a medium side spring (15) is installed on the medium side spring seat (14) above the shaft sleeve (1), a medium side push ring (16) is installed on the medium side spring (15), and the medium side push ring (16) is in contact with the medium end moving ring (12).
4. The large axial play double-end-face mechanical seal device for the rake dryer of claim 1, wherein: atmosphere end seal assembly includes atmosphere side spring holder (17), the inboard and axle sleeve (1) of atmosphere side spring holder (17) are connected, and atmosphere side spring holder (17) are connected with medium side spring holder (14), the right side of atmosphere side spring holder (17) is equipped with atmosphere side rotating ring (18), and is equipped with atmosphere side thrust ring (19) between atmosphere side spring holder (17) and atmosphere side rotating ring (18), atmosphere side thrust ring (19) are connected with atmosphere side stationary ring seat (3) through atmosphere side spring (20), and atmosphere side thrust ring (19) and atmosphere side rotating ring (18) contact.
5. The large axial play double-end-face mechanical seal device for the rake dryer of claim 1, wherein: the static ring of side (21) that the cover was equipped with two sets of relative settings on axle sleeve (1), and two sets of static rings of side (21) are connected with medium end static ring seat (2) and atmosphere side static ring seat (3) through the bolt respectively.
6. The large axial play double-end-face mechanical seal device for the rake dryer of claim 1, wherein: the medium end static ring seat (2) is provided with a sealed cooling liquid annular groove which is communicated with a sealed cooling liquid inlet (7), an annular pressing plate (22) is arranged between the medium end static ring seat (2) and the left side static ring (21), and the annular pressing plate (22) is provided with a circulation hole.
7. The large axial play double-end-face mechanical seal device for the rake dryer of claim 1, wherein: the bearing (23) is installed on axle sleeve (1) on the right side of atmosphere side stationary ring seat (3), and the outside of bearing (23) is equipped with bearing frame (24), gland (25) are installed on the right side of bearing frame (24), install epaxial circlip (26) between gland (25) and bearing (23) on axle sleeve (1), and epaxial circlip (26) and bearing (23) contact.
8. The large axial play double-end-face mechanical seal device for the rake dryer of claim 1, wherein: and a cooling water jacket is arranged in the sealing seat (4), and a jacket inlet (27) and a jacket outlet (28) are respectively arranged on the upper side and the lower side of the cooling water jacket on the sealing seat (4).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202111322635.XA CN114087364B (en) | 2021-11-09 | 2021-11-09 | Large axial float double-end-face mechanical sealing device for rake dryer |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202111322635.XA CN114087364B (en) | 2021-11-09 | 2021-11-09 | Large axial float double-end-face mechanical sealing device for rake dryer |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN114087364A true CN114087364A (en) | 2022-02-25 |
| CN114087364B CN114087364B (en) | 2023-06-27 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202111322635.XA Active CN114087364B (en) | 2021-11-09 | 2021-11-09 | Large axial float double-end-face mechanical sealing device for rake dryer |
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| CN (1) | CN114087364B (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114838132A (en) * | 2022-05-25 | 2022-08-02 | 江苏大学 | Non-contact mechanical seal suitable for high-temperature medium |
| CN115264070A (en) * | 2022-09-28 | 2022-11-01 | 常州市迅驰干燥设备有限公司 | Large axial float double-end-face mechanical sealing device |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN201650840U (en) * | 2010-04-22 | 2010-11-24 | 江苏双达工程技术研究中心有限公司 | Axially moving double-end face mechanical seal for pumps |
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| CN203955224U (en) * | 2014-07-03 | 2014-11-26 | 湖南万通科技有限公司 | A kind of shaft sealing device and reacting furnace |
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| CN208651631U (en) * | 2018-09-07 | 2019-03-26 | 浙江恒昱机械设备有限公司 | A kind of bottom mechanically-sealing apparatus |
| CN111457099A (en) * | 2020-05-13 | 2020-07-28 | 江苏傲赛工业密封有限公司 | Mechanical seal against axial thermal expansion |
| CN113426375A (en) * | 2021-07-23 | 2021-09-24 | 西安壹波流体科技有限责任公司 | High-pressure mechanical sealing device for ferrochrome alkaline oxidation reaction kettle |
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| CN203756998U (en) * | 2014-03-14 | 2014-08-06 | 成都一通密封有限公司 | Rake-type dryer mechanical sealing device |
| CN203955224U (en) * | 2014-07-03 | 2014-11-26 | 湖南万通科技有限公司 | A kind of shaft sealing device and reacting furnace |
| CN104197023A (en) * | 2014-09-25 | 2014-12-10 | 天津西澳维密封技术发展有限公司 | High-temperature side stirring mechanical sealing structure |
| CN208237084U (en) * | 2018-05-11 | 2018-12-14 | 浙江兰天机械密封件有限公司 | A kind of Double End mechanical sealing device for cauldron of welding metal bellows |
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| CN208651631U (en) * | 2018-09-07 | 2019-03-26 | 浙江恒昱机械设备有限公司 | A kind of bottom mechanically-sealing apparatus |
| CN111457099A (en) * | 2020-05-13 | 2020-07-28 | 江苏傲赛工业密封有限公司 | Mechanical seal against axial thermal expansion |
| CN113426375A (en) * | 2021-07-23 | 2021-09-24 | 西安壹波流体科技有限责任公司 | High-pressure mechanical sealing device for ferrochrome alkaline oxidation reaction kettle |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN114838132A (en) * | 2022-05-25 | 2022-08-02 | 江苏大学 | Non-contact mechanical seal suitable for high-temperature medium |
| CN115264070A (en) * | 2022-09-28 | 2022-11-01 | 常州市迅驰干燥设备有限公司 | Large axial float double-end-face mechanical sealing device |
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| CN114087364B (en) | 2023-06-27 |
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