CN114087364B - 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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- CN114087364B CN114087364B CN202111322635.XA CN202111322635A CN114087364B CN 114087364 B CN114087364 B CN 114087364B CN 202111322635 A CN202111322635 A CN 202111322635A CN 114087364 B CN114087364 B CN 114087364B
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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 movement 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, the medium end flange is connected with the medium end static ring seat through a screw, a single-end-face sealing component is arranged at the inner side of the medium end flange, a medium end sealing component and an atmosphere end sealing component are arranged on the right side of the medium end static ring seat on the shaft sleeve, and the medium end sealing component and the atmosphere end sealing component are both positioned at the inner side of the sealing seat.
Description
Technical Field
The invention relates to the technical field of machine rotary sealing, in particular to a large axial movement double-end-face mechanical sealing device for a rake dryer.
Background
The rake dryer is designed based on the technology of the domestic traditional vacuum rake dryer and is reinforced and improved for various pulpy, pasty, granular, powdery, fibrous and other materials, the transmission part adopts a cylindrical gear reducer which is stable in work and durable, the driving shaft adopts a thickened solid shaft, and the stable operation of the vacuum rake dryer under various severe working environments is fully ensured;
the temperature of the rake dryer is higher in the operation process, meanwhile, the axial movement in the reaction process is larger, the axial movement of the traditional double-end mechanical seal is controlled to be 2mm, the condition of on-site operation cannot be met, and particularly under the conditions of high temperature and larger axial movement, the condition of the service life of the traditional double-end mechanical seal can occur, so that the invention provides the large axial movement double-end mechanical seal device for the rake dryer, and the problems in the prior art are solved.
Disclosure of Invention
The invention aims to solve the problems in the prior art by arranging a corrugated pipe, a single-end face sealing assembly, a medium end sealing assembly and an atmosphere end sealing assembly.
In order to achieve the purpose of the invention, the invention is realized by the following technical scheme: the utility model provides a big axial float bi-polar face mechanical seal device for rake dryer, includes the axle sleeve, be equipped with medium end quiet ring seat and the quiet ring seat of atmosphere side on the axle sleeve, and install the sealing seat between the quiet ring seat of medium end and the quiet ring seat of atmosphere side, the bellows is installed to the left end of axle sleeve, and medium end flange and single-end face quiet ring flange are installed respectively to the left and right sides of bellows, single-end face quiet ring flange passes through the screw and is connected with medium end quiet ring seat, and the inboard of single-end face quiet ring flange is equipped with single-end face seal assembly, the right side of medium end quiet ring seat is equipped with medium end seal assembly and atmosphere end seal assembly on the axle sleeve, and medium end seal assembly and atmosphere end seal assembly all are located the inboard of sealing seat, be equipped with sealed coolant inlet and sealed coolant outlet on medium end quiet ring seat and atmosphere side quiet ring seat respectively, sealed coolant inlet and sealed coolant outlet intercommunication.
The further improvement is that: the single-end-face sealing assembly comprises a single-end-face moving 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 moving ring, the inner sides of the single-end-face moving 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 moving 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 is that: the medium end seal assembly comprises a medium end moving ring, the inner side of the medium end moving ring is connected with a shaft sleeve, a second O-shaped rubber ring is mounted 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 is connected with the shaft sleeve, a medium side spring is mounted on the medium side spring seat above the shaft sleeve, a medium side push ring is mounted on the medium side spring, and the medium side push ring is in contact with the medium end moving ring.
The further improvement is that: the atmosphere end seal assembly comprises an atmosphere side spring seat, the inner side of the atmosphere side spring seat is connected with the shaft sleeve, the atmosphere side spring seat is connected with the medium side spring seat, the right side of the atmosphere side spring seat is provided with an atmosphere side moving ring, an atmosphere side push ring is arranged between the atmosphere side spring seat and the atmosphere side moving ring, the atmosphere side push ring is connected with the atmosphere side static ring seat through the atmosphere side spring, and the atmosphere side push ring is contacted with the atmosphere side moving ring.
The further improvement is that: the shaft sleeve is sleeved with two groups of side static rings which are oppositely arranged, and the two groups of side static rings are respectively connected with the medium end static ring seat and the atmosphere side static ring seat through bolts.
The further improvement is that: the medium end static ring seat is provided with a sealing cooling liquid annular groove which is communicated with the sealing cooling liquid inlet, an annular pressing plate is arranged between the medium end static ring seat and the left static ring, and a flow hole is formed in the annular pressing plate.
The further improvement is that: the right side of the atmospheric side static ring seat is provided with a bearing on the shaft sleeve, the outer side of the bearing is provided with a bearing seat, the right side of the bearing seat is provided with a gland, a circlip for a shaft is arranged between the gland and the bearing on the shaft sleeve, and the circlip for the shaft is contacted with the bearing.
The further improvement is that: 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 beneficial effects of the invention are as follows: the large axial movement double-end-face mechanical sealing device for the rake dryer can improve the axial movement amount through the corrugated pipe, can meet the movement requirement of the rake dryer, can prevent dust in a medium from entering into a sealing face of a rear double-end-face mechanical seal through the single-end-face sealing assembly arranged at the medium end, and is composed of the medium end sealing assembly and the atmosphere end sealing assembly, so that the tightness of the device can be effectively improved, the gas of evaporation of materials is prevented from being dispersed, and meanwhile, a cooling jacket is further arranged in the sealing seat, so that the sealing device has a heat dissipation function, can better adapt to the working requirement, and prolongs the service life of the sealing device.
Drawings
In order to more clearly illustrate the embodiments of the invention or the technical solutions of the prior art, the drawings which are used in the description of the embodiments or the prior art will be briefly described, it being obvious that the drawings in the description below are only some embodiments of the invention, and that other drawings can be obtained according to these drawings without inventive faculty for a person skilled in the art.
Fig. 1 is a schematic elevational view of the present invention.
Fig. 2 is an enlarged schematic view of the portion a of fig. 1 in accordance with the present invention.
Fig. 3 is an enlarged schematic view of the portion B of fig. 1 in accordance with the present invention.
Wherein: 1. a shaft sleeve; 2. a medium end static ring seat; 3. an atmospheric static 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-ended face moving ring; 10. a single end face spring; 11. a first O-shaped rubber ring; 12. a media end ring; 13. a second O-shaped rubber ring; 14. a medium side spring seat; 15. a medium side spring; 16. a medium side push ring; 17. an atmospheric side spring seat; 18. an atmosphere-side moving ring; 19. an atmospheric side push ring; 20. an atmosphere side spring; 21. a side stationary ring; 22. an annular pressing plate; 23. a bearing; 24. a bearing seat; 25. a gland; 26. circlips for shafts; 27. a jacket inlet; 28. and a jacket outlet.
Detailed Description
The following description of the embodiments of the present invention will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present invention, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the invention without making any inventive effort, are intended to be within the scope of the invention.
In the description of the present invention, it should be noted that the directions or positional relationships indicated by the terms "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer", etc. are directions or positional relationships based on the drawings, are merely for convenience of describing the present invention and simplifying the description, and do not indicate or imply that the devices or elements to be referred to 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 should be noted that, unless explicitly stated and limited otherwise, the terms "mounted," "provided," and "connected" are to be construed broadly, and may be, for example, fixedly connected, detachably connected, or integrally connected; can be mechanically or electrically connected; can be directly connected or indirectly connected through an intermediate medium, and can be communication between two elements. The specific meaning of the above terms in the present invention will be understood in specific cases by those of ordinary skill in the art.
According to the embodiments shown in fig. 1-3, the mechanical sealing device with large axial play and double end faces for a rake dryer is provided, which comprises a shaft sleeve 1, a medium end static ring seat 2 and an atmospheric 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 atmospheric side static ring seat 3, a corrugated pipe 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 corrugated pipe 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 atmospheric end sealing assembly are arranged at the right side of the medium end static ring seat 2 on the shaft sleeve 1, the medium end sealing assembly and the atmospheric end sealing assembly are both positioned at the inner side of the sealing seat 4, a sealing cooling liquid inlet 7 and a sealing cooling liquid outlet 8 are respectively arranged at the left side and the right side of the medium end static ring seat 2 and the atmospheric side of the sealing seat 3, the sealing cooling liquid inlet 7 and the sealing cooling liquid outlet 8 are respectively, the sealing cooling liquid inlet 7 and the sealing liquid outlet 8 are axially connected with the sealing liquid outlet 6, and the sealing liquid outlet is axially influenced by the telescopic shaft housing, and the mechanical sealing device is axially arranged on the base, and the mechanical sealing device is not has the telescopic function.
The single-end face sealing assembly comprises a single-end face moving 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 arranged on the inner side of the single-end face moving ring 9, the inner sides of the single-end face moving ring 9 and the first O-shaped rubber ring 11 are both in contact with the shaft sleeve 1, the single-end face spring 10 is arranged on the single-end face moving 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 moving ring 9 is made of carbon fiber materials, and the single-end face moving ring 9 has the characteristics of wear resistance, high temperature resistance and corrosion resistance and is mainly used for preventing dust in a medium from entering into a sealing surface of a rear double-end face mechanical seal.
The medium end seal assembly comprises a medium end moving ring 12, the inner side of the medium end moving ring 12 is connected with a 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.
The atmosphere end seal assembly comprises an atmosphere side spring seat 17, the inner side of the atmosphere side spring seat 17 is connected with a shaft sleeve 1, the atmosphere side spring seat 17 is connected with a medium side spring seat 14, the right side of the atmosphere side spring seat 17 is provided with an atmosphere side movable ring 18, an atmosphere side push ring 19 is arranged between the atmosphere side spring seat 17 and the atmosphere side movable ring 18, the atmosphere side push ring 19 is connected with an atmosphere side stationary ring seat 3 through an atmosphere side spring 20, the atmosphere side push ring 19 is contacted with the atmosphere side movable ring 18, meanwhile, an O ring is also installed on the inner side of the atmosphere side movable ring 18, the O ring is contacted with the shaft sleeve 1, and the purpose is to ensure sealing performance through the O ring.
Two sets of opposite side static rings 21 are sleeved on the shaft sleeve 1, the two sets of side static rings 21 are respectively connected with the medium end static ring seat 2 and the atmosphere side static ring seat 3 through bolts, and the two sets of side static rings 21 are respectively contacted with the atmosphere side spring seat 17 and the medium side spring seat 14.
The medium end stationary ring seat 2 is provided with a sealing cooling liquid annular groove, the sealing cooling liquid annular groove is communicated with the sealing cooling liquid inlet 7, an annular pressing plate 22 is arranged between the medium end stationary ring seat 2 and the left stationary ring 21, a flow hole is formed in the annular pressing plate 22, the inner side of the annular pressing plate 22 is connected with the side stationary ring 21, an O ring is further arranged between the annular pressing plate 22 and the side stationary ring 21 to improve the tightness, and sealing cooling liquid (white oil) is filled in the sealing cooling liquid annular groove, so that the condition that deformation of the mechanical sealing stationary ring occurs is avoided in the operation under the high-temperature environment, meanwhile, the sealing cooling liquid channel is formed by the medium end stationary ring seat 2, the side stationary ring 21 and the annular pressing plate 22, and the flow hole is communicated with the inner cavity of the sealing seat 4, so that the sealing cooling liquid is convenient to flow.
The right side of the atmospheric side quiet ring seat 3 is provided with a bearing 23 on the shaft sleeve 1, and the outside of the bearing 23 is provided with a bearing seat 24, the right side of the bearing seat 24 is provided with a gland 25, the gland 25 is connected with the bearing seat 24, and the bearing seat 24 is connected with the atmospheric side quiet ring seat 3, a shaft circlip 26 is arranged on the shaft sleeve 1 between the gland 25 and the bearing 23, and the shaft circlip 26 contacts with the bearing 23, the running precision of the whole seal is ensured through the cooperation of the bearing 23, the shaft circlip 26 and the shaft sleeve 38, meanwhile, the shaft sleeve 38 is fixed on a main shaft of the rake dryer through a driving component, and an O ring is adopted between the shaft sleeve and the main shaft for sealing, the whole seal moves along with the main shaft, and in addition, the left side and the right side of the bearing 23 are provided with a framework oil seal on the shaft sleeve 38.
The sealing seat 4 is internally 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 sealing seat 4, and the main function of the cooling water jacket is to introduce cooling water, and the heat of the sealing cooling liquid is driven by the flow of the cooling water.
The foregoing has shown and described the basic principles, principal features and advantages of the invention. It will be understood by those skilled in the art that the present invention is not limited to the embodiments described above, and that the above embodiments and descriptions are merely illustrative of the principles of the present invention, and various changes and modifications may be made without departing from the spirit and scope of the invention, which is defined in the appended claims. The scope of the invention is defined by the appended claims and equivalents thereof.
Claims (6)
1. The utility model provides a rake dryer is with big axial float bi-polar face mechanical seal device which characterized in that: comprises a shaft sleeve (1), wherein a medium end static ring seat (2) and an atmospheric 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 atmospheric side static ring seat (3), a corrugated pipe (5) is arranged at the left end of the shaft sleeve (1), a medium end flange (6) and a single-end surface static ring flange are respectively arranged at the left side and the right side of the corrugated pipe (5), the single-end surface static ring flange is connected with the medium end static ring seat (2) through screws, a single-end surface sealing component is arranged at the inner side of the single-end surface static ring flange, a medium end sealing component and an atmospheric end sealing component are arranged at the right side of the medium end static ring seat (2) on the shaft sleeve (1), the medium end sealing component and the atmosphere end sealing component are both positioned on the inner side of the sealing seat (4), the left side and the right side of the sealing seat (4) are respectively provided with a sealing cooling liquid inlet (7) and a sealing cooling liquid outlet (8) on the medium end static ring seat (2) and the atmosphere side static ring seat (3), the sealing cooling liquid inlet (7) is communicated with the sealing cooling liquid outlet (8), the single end face sealing component comprises a single end face moving ring (9), a single end face spring (10) and a first O-shaped rubber ring (11), the inner side of the single end face moving ring (9) is provided with the first O-shaped rubber ring (11), and the inner sides of the single-end-face moving ring (9) and the first O-shaped rubber ring (11) are in contact with the shaft sleeve (1), a single-end-face spring (10) is arranged on the single-end-face moving 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 a medium end static ring seat (2), a cooling water jacket is arranged in the sealing seat (4), and jacket inlets (27) and jacket outlets (28) are respectively arranged on the upper side and the lower side of the cooling water jacket on the sealing seat (4).
2. The large axial float double-end mechanical seal device for a rake dryer of claim 1, wherein: the medium end seal assembly comprises a medium end moving ring (12), the inner side of the medium end moving ring (12) is connected with a shaft sleeve (1), a second O-shaped rubber ring (13) is arranged 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 arranged above the shaft sleeve (1) on the medium side spring seat (14), a medium side push ring (16) is arranged on the medium side spring (15), and the medium side push ring (16) is in contact with the medium end moving ring (12).
3. The large axial float double-end mechanical seal device for a rake dryer of claim 2, wherein: the atmosphere end seal assembly comprises an atmosphere side spring seat (17), the inner side of the atmosphere side spring seat (17) is connected with the shaft sleeve (1), the atmosphere side spring seat (17) is connected with the medium side spring seat (14), an atmosphere side movable ring (18) is arranged on the right side of the atmosphere side spring seat (17), an atmosphere side push ring (19) is arranged between the atmosphere side spring seat (17) and the atmosphere side movable ring (18), the atmosphere side push ring (19) is connected with the atmosphere side stationary ring seat (3) through an atmosphere side spring (20), and the atmosphere side push ring (19) is in contact with the atmosphere side movable ring (18).
4. The large axial float double-end mechanical seal device for a rake dryer of claim 1, wherein: two groups of side static rings (21) which are oppositely arranged are sleeved on the shaft sleeve (1), and the two groups of side static rings (21) are respectively connected with the medium end static ring seat (2) and the atmosphere side static ring seat (3) through bolts.
5. The large axial float double-end mechanical seal device for a rake dryer of claim 4, wherein: the medium end static ring seat (2) is provided with a sealed cooling liquid annular groove which is communicated with the sealed cooling liquid inlet (7), an annular pressing plate (22) is arranged between the medium end static ring seat (2) and the left static ring (21), and a flow hole is formed in the annular pressing plate (22).
6. The large axial float double-end mechanical seal device for a rake dryer of claim 1, wherein: the right side of atmosphere side quiet ring seat (3) installs bearing (23) on axle sleeve (1), 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 circlip (26) for the axle on axle sleeve (1) between gland (25) and bearing (23), and circlip (26) for the axle and bearing (23) contact.
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 CN114087364A (en) | 2022-02-25 |
| CN114087364B true CN114087364B (en) | 2023-06-27 |
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| 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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| CN115264070B (en) * | 2022-09-28 | 2022-12-16 | 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 |
|---|---|---|---|---|
| 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 |
| 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 |
| CN208587492U (en) * | 2018-05-11 | 2019-03-08 | 浙江兰天机械密封件有限公司 | One kind is able to bear strong corrosion Double End mechanical sealing device for cauldron |
| 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 |
| 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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2021
- 2021-11-09 CN CN202111322635.XA patent/CN114087364B/en active Active
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