CN111577899A - Double-shaft high-pressure mechanical sealing device - Google Patents

Double-shaft high-pressure mechanical sealing device Download PDF

Info

Publication number
CN111577899A
CN111577899A CN202010316874.3A CN202010316874A CN111577899A CN 111577899 A CN111577899 A CN 111577899A CN 202010316874 A CN202010316874 A CN 202010316874A CN 111577899 A CN111577899 A CN 111577899A
Authority
CN
China
Prior art keywords
rotating shaft
outer rotating
main body
mechanical seal
heat dissipation
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Pending
Application number
CN202010316874.3A
Other languages
Chinese (zh)
Inventor
钟春利
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Zhejiang Fuge Intelligent Technology Co ltd
Original Assignee
Jiaxing Bogman Seal Co ltd Jiashan Jingang Branch
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Jiaxing Bogman Seal Co ltd Jiashan Jingang Branch filed Critical Jiaxing Bogman Seal Co ltd Jiashan Jingang Branch
Priority to CN202010316874.3A priority Critical patent/CN111577899A/en
Publication of CN111577899A publication Critical patent/CN111577899A/en
Pending legal-status Critical Current

Links

Images

Classifications

    • 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
    • F16J15/162—Special parts or details relating to lubrication or cooling of the sealing itself
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01F—MIXING, e.g. DISSOLVING, EMULSIFYING OR DISPERSING
    • B01F35/00—Accessories for mixers; Auxiliary operations or auxiliary devices; Parts or details of general application
    • 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
    • F16H—GEARING
    • F16H35/00—Gearings or mechanisms with other special functional features
    • F16H35/18—Turning devices for rotatable members, e.g. shafts
    • 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
    • F16H—GEARING
    • F16H57/00—General details of gearing
    • F16H57/0018—Shaft assemblies for gearings
    • F16H57/0037—Special features of coaxial shafts, e.g. relative support thereof
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01F—MIXING, e.g. DISSOLVING, EMULSIFYING OR DISPERSING
    • B01F35/00—Accessories for mixers; Auxiliary operations or auxiliary devices; Parts or details of general application
    • B01F35/30—Driving arrangements; Transmissions; Couplings; Brakes
    • B01F2035/35—Use of other general mechanical engineering elements in mixing devices
    • B01F2035/351—Sealings

Landscapes

  • Engineering & Computer Science (AREA)
  • General Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Chemical & Material Sciences (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Mechanical Sealing (AREA)

Abstract

The invention discloses a double-shaft high-pressure mechanical sealing device which comprises a movable flange, wherein a machine seal main body is arranged on the movable flange, a fixed flange matched with the movable flange is arranged at the bottom of the machine seal main body, an outer rotating shaft coaxial with the machine seal main body is arranged in the machine seal main body, the outer rotating shaft is of a hollow shaft structure, the upper end and the lower end of the outer rotating shaft respectively extend out of the upper end and the lower end of the machine seal main body, an inner rotating shaft coaxial with the outer rotating shaft is arranged in the outer rotating shaft, the upper end and the lower end of the inner rotating shaft respectively extend out of the upper end and the lower end of the outer rotating shaft, a first bearing embedded in the machine seal main body is sleeved on the outer rotating shaft, a second bearing embedded in the outer rotating shaft is sleeved on the inner rotating shaft, a first gland for. The mechanical sealing device has the characteristics of good sealing effect, low overall height and stable rotating operation, and is small in error, excellent in sealing performance, perfect in overall function and strong in practicability, and the error generated by long-time use is small.

Description

Double-shaft high-pressure mechanical sealing device
Technical Field
The invention relates to the technical field of mechanical sealing, in particular to a double-shaft high-pressure mechanical sealing device.
Background
Need carry out the discontinuity stirring to splendid attire liquid in some reation kettle or the reaction vessel to this reaches suitable operation requirement, and because various liquid influence its service temperature because of stirring frequency's difference, can provide different rotational speeds to the agitating unit who stretches into in the cauldron or the container, with this effect that reaches the biax stirring. Its structure of (mixing) shaft in order to reach biax stirring effect is mostly the unipolar type now, provides different rotational speeds for the axis body by single power source to this effect that reaches the biax stirring makes overall height great like this, and the axis body rotates the in-process and easily sways, uses the increase of back error for a long time, and sealed effect weakens, and overall effect is not good. Accordingly, the invention provides a double-shaft high-pressure mechanical sealing device.
Disclosure of Invention
The invention aims to overcome the defects in the prior art and provide the double-shaft high-pressure mechanical sealing device which has the characteristics of good sealing effect, low overall height and stable rotating operation, and has small error and excellent sealing performance after long-time use.
In order to solve the technical problem, the invention aims to realize that: the invention relates to a double-shaft high-pressure mechanical sealing device which comprises a movable flange fixedly connected with the outer wall of a container, wherein a machine seal main body is arranged on the movable flange, a fixed flange matched with the movable flange is arranged at the bottom of the machine seal main body, an outer rotating shaft arranged coaxially with the machine seal main body is arranged in the machine seal main body, the outer rotating shaft is of a hollow shaft structure, the upper end and the lower end of the outer rotating shaft respectively extend out of the upper end and the lower end of the machine seal main body, an inner rotating shaft arranged coaxially with the outer rotating shaft is arranged in the outer rotating shaft, the upper end and the lower end of the inner rotating shaft respectively extend out of the upper end and the lower end of the outer rotating shaft, a first bearing embedded in the machine seal main body is sleeved on the outer rotating shaft, a second bearing embedded in the outer rotating shaft is sleeved on the inner rotating shaft, a first gland for the outer rotating.
The invention is further configured to: a first heat dissipation cavity located below the first bearing is formed between the machine seal main body and the outer rotating shaft, and a first axial sealing ring assembly blocking the first heat dissipation cavity and the outer portion of the machine seal main body and a second axial sealing ring assembly blocking the first heat dissipation cavity and the inner portion of the container are sleeved on the outer rotating shaft.
The invention is further configured to: and a second heat dissipation cavity positioned below the second bearing is formed between the outer rotating shaft and the inner rotating shaft, and a third axial sealing ring assembly for blocking the second heat dissipation cavity and the outside of the mechanical seal body and a fourth axial sealing ring assembly for blocking the second heat dissipation cavity and the inside of the container are sleeved on the inner rotating shaft.
The invention is further configured to: the outer pivot is last to be seted up the water conservancy diversion hole of intercommunication first heat dissipation chamber and second heat dissipation chamber, be equipped with the cooling water import and the cooling water export that are linked together with the inside in first heat dissipation chamber in the quick-witted main part of sealing.
The invention is further configured to: and the lower end surface of the outer rotating shaft is in threaded connection with a mounting screw for fixing the stirrer.
The invention is further configured to: and a lifting ring is arranged on the machine seal main body.
In conclusion, the invention has the following beneficial effects: the double-shaft high-pressure mechanical sealing device achieves the double-shaft stirring effect by improving the shaft body providing the rotating power into the relatively rotating inner and outer shaft structures and providing kinetic energy by two different power sources to realize rotation, reduces the overall height of the sealing device, has small centrifugal force in the rotating process of the shaft body, is not easy to swing, is stable in rotating operation, has small axial deviation error generated by long-time use, and is excellent in sealing performance, complete in overall function and strong in practicability.
Drawings
FIG. 1 is a schematic view of the overall structure of the present invention;
fig. 2 is a partial structural schematic diagram of the present invention.
Detailed Description
In order that those skilled in the art will better understand the novel teachings of the present invention, preferred embodiments of the present invention are described below with reference to specific examples, but it should be understood that these descriptions are only intended to further illustrate the features and advantages of the present invention, and not to limit the patent claims of the present invention. 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.
The invention will be further described with reference to the accompanying drawings and preferred embodiments.
Referring to fig. 1 to 2, the dual-shaft high-pressure mechanical sealing device according to this embodiment includes a movable flange 1 fixedly connected to an outer wall of a container, a mechanical seal body 2 is disposed on the movable flange 1, a fixing flange 3 cooperating with the movable flange 1 is disposed at a bottom of the mechanical seal body 2, an outer rotating shaft 4 coaxially disposed with the mechanical seal body 2 is disposed in the mechanical seal body 2, the outer rotating shaft 4 is of a hollow shaft structure, upper and lower ends of the outer rotating shaft 4 respectively extend out of upper and lower ends of the mechanical seal body 2, an inner rotating shaft 5 coaxially disposed with the outer rotating shaft 4 is disposed in the outer rotating shaft 4, upper and lower ends of the inner rotating shaft 5 respectively extend out of upper and lower ends of the outer rotating shaft 4, a first bearing 6 embedded in the mechanical seal body 2 is sleeved on the outer rotating shaft 4, a second bearing 7 embedded in the outer rotating shaft 4 is sleeved on the inner rotating shaft 5, a first gland 8 for the outer rotating shaft 4 to extend, and a second gland 9 for extending the inner rotating shaft 5 is arranged at the upper end of the outer rotating shaft 4.
In this embodiment, the driven sprocket is sleeved on the part of the outer rotating shaft 4 extending out of the upper end face of the mechanical seal main body 2, the driving sprocket matched with the outer rotating shaft is arranged in the same horizontal plane, the chain for realizing mutual transmission is arranged between the outer rotating shaft and the driving sprocket, the driving sprocket is provided with a rotary power source, the upper end of the inner rotating shaft 5 is provided with another rotary power source, and finally, the lower ends of the outer rotating shaft 4 and the inner rotating shaft 5 are respectively provided with stirring components which do not interfere with each other. Through switching different rotation power source, can realize that the stirring subassembly on the outer rotor 4 stirs the solution in the container or the stirring subassembly on the inner rotor 5 stirs the solution in the container, use in a flexible way, reduce the whole height of axis body.
Wherein, the two rotary power sources are preferably powered by a motor.
Furthermore, a first heat dissipation cavity 10 located below the first bearing 6 is formed between the machine seal body 2 and the outer rotating shaft 4, and a first axial sealing ring assembly 11 blocking the first heat dissipation cavity 10 and the exterior of the machine seal body 2 and a second axial sealing ring assembly 12 blocking the first heat dissipation cavity 10 and the interior of the container are sleeved on the outer rotating shaft 4; further, a second heat dissipation cavity 13 located below the second bearing 7 is formed between the outer rotating shaft 4 and the inner rotating shaft 5, and a third axial seal ring assembly 14 blocking the second heat dissipation cavity 13 and the exterior of the mechanical seal body 2, and a fourth axial seal ring assembly 15 blocking the second heat dissipation cavity 13 and the interior of the container are sleeved on the inner rotating shaft 5; furthermore, a diversion hole 16 communicating the first heat dissipation cavity 10 and the second heat dissipation cavity 13 is formed in the outer rotating shaft 4, and a cooling water inlet 17 and a cooling water outlet 18 communicated with the inside of the first heat dissipation cavity 10 are formed in the mechanical seal main body 2.
A flow guide hole 16 which is communicated with each other is formed between a first heat dissipation cavity 10 which is blocked by a first axial seal ring assembly 11 and a second axial seal ring assembly 12 from the upper side and the lower side and a second heat dissipation cavity 13 which is blocked by a third axial seal ring assembly 14 and a fourth axial seal ring assembly 15 from the lower side, so that a closed cavity is formed, cooling water which achieves circulation is arranged in the closed cavity, one end of the cooling water is connected with a cooling water inlet 17, and the other end of the cooling water is connected with a cooling water outlet 18, so that heat generated by friction between the shaft body (comprising the outer rotating shaft 4 and the inner rotating shaft 5) and each seal ring assembly (comprising the first axial seal ring assembly 11, the second axial seal ring assembly 12, the third axial seal ring assembly 14 and the fourth axial seal ring assembly 15) in the high-speed rotating process is reduced, and a good heat dissipation.
The first axial seal ring assembly 11, the second axial seal ring assembly 12, the third axial seal ring assembly 14 and the fourth axial seal ring assembly 15 are formed by compositely sleeving a plurality of existing seal rings with good sealing effects, the cross-sectional shapes of the seal rings are various, and the final achieved effects are the same.
Furthermore, the lower terminal surface threaded connection of outer shaft 4 has the mounting screw 19 that supplies the agitator to fix, through mounting screw 19's setting for the cooperation is connected and is had the stirring subassembly that can realize stirring function now, makes the dismouting convenient, and installation and maintenance are convenient.
Further, be equipped with rings 20 on the machine seals main part 2, through rings 20's setting, realize whole hoistable, the convenient transportation, the simple operation.
The double-shaft high-pressure mechanical sealing device achieves the double-shaft stirring effect by improving the shaft body providing the rotating power into the relatively rotating inner and outer shaft structures and providing kinetic energy by two different power sources to realize rotation, reduces the overall height of the sealing device, has small centrifugal force in the rotating process of the shaft body, is not easy to swing, is stable in rotating operation, has small axial deviation error generated by long-time use, and is excellent in sealing performance, complete in overall function and strong in practicability.
Unless otherwise specified, in the present invention, if there is an orientation or positional relationship indicated by terms of "length", "width", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", "clockwise", "counterclockwise", "axial", "radial", "circumferential", etc., based on the orientation or positional relationship actually shown, it is only for convenience of describing the present invention and simplifying the description, rather than to indicate or imply that the device or element so referred to must have a particular orientation, be constructed and operated in a particular orientation, therefore, the terms describing orientation or positional relationship in the present invention are for illustrative purposes only, and should not be construed as limiting the present patent, it is possible for those skilled in the art to combine the embodiments and understand the specific meanings of the above terms according to specific situations.
Unless expressly stated or limited otherwise, the terms "disposed," "connected," and "connected" are used broadly and encompass, for example, being fixedly connected, detachably connected, or integrally connected; the connection may be direct or indirect via an intermediate medium, and may be a communication between the 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.
The foregoing detailed description of the preferred embodiments of the invention has been presented. It should be understood that numerous modifications and variations could be devised by those skilled in the art in light of the present teachings without departing from the inventive concepts. Therefore, the technical solutions available to those skilled in the art through logic analysis, reasoning and limited experiments based on the prior art according to the concept of the present invention should be within the scope of protection defined by the claims.

Claims (6)

1. Biax high pressure mechanical seal device includes the movable flange with container outer wall fixed connection, is equipped with the machine on the movable flange and seals the main part, and the bottom of machine seal main part is equipped with the cooperation the mounting flange of movable flange, its characterized in that: the mechanical seal is characterized in that an outer rotating shaft coaxial with the mechanical seal is arranged in the mechanical seal main body, the outer rotating shaft is of a hollow shaft structure, the upper end and the lower end of the outer rotating shaft respectively extend out of the upper end and the lower end of the mechanical seal main body, an inner rotating shaft coaxial with the outer rotating shaft is arranged in the outer rotating shaft, the upper end and the lower end of the inner rotating shaft respectively extend out of the upper end and the lower end of the outer rotating shaft, a first bearing embedded in the mechanical seal main body is sleeved on the outer rotating shaft, a second bearing embedded in the outer rotating shaft is sleeved on the inner rotating shaft, a first gland for the outer rotating shaft to extend out is arranged at the upper end of the mechanical seal main body.
2. The biaxial high-pressure mechanical seal device according to claim 1, characterized in that: a first heat dissipation cavity located below the first bearing is formed between the machine seal main body and the outer rotating shaft, and a first axial sealing ring assembly blocking the first heat dissipation cavity and the outer portion of the machine seal main body and a second axial sealing ring assembly blocking the first heat dissipation cavity and the inner portion of the container are sleeved on the outer rotating shaft.
3. The biaxial high-pressure mechanical seal device according to claim 2, characterized in that: and a second heat dissipation cavity positioned below the second bearing is formed between the outer rotating shaft and the inner rotating shaft, and a third axial sealing ring assembly for blocking the second heat dissipation cavity and the outside of the mechanical seal body and a fourth axial sealing ring assembly for blocking the second heat dissipation cavity and the inside of the container are sleeved on the inner rotating shaft.
4. The biaxial high-pressure mechanical seal device according to claim 3, characterized in that: the outer pivot is last to be seted up the water conservancy diversion hole of intercommunication first heat dissipation chamber and second heat dissipation chamber, be equipped with the cooling water import and the cooling water export that are linked together with the inside in first heat dissipation chamber in the quick-witted main part of sealing.
5. The biaxial high-pressure mechanical seal device according to any one of claims 1 to 4, wherein: and the lower end surface of the outer rotating shaft is in threaded connection with a mounting screw for fixing the stirrer.
6. The biaxial high-pressure mechanical seal device according to claim 1, characterized in that: and a lifting ring is arranged on the machine seal main body.
CN202010316874.3A 2020-04-21 2020-04-21 Double-shaft high-pressure mechanical sealing device Pending CN111577899A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN202010316874.3A CN111577899A (en) 2020-04-21 2020-04-21 Double-shaft high-pressure mechanical sealing device

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN202010316874.3A CN111577899A (en) 2020-04-21 2020-04-21 Double-shaft high-pressure mechanical sealing device

Publications (1)

Publication Number Publication Date
CN111577899A true CN111577899A (en) 2020-08-25

Family

ID=72126638

Family Applications (1)

Application Number Title Priority Date Filing Date
CN202010316874.3A Pending CN111577899A (en) 2020-04-21 2020-04-21 Double-shaft high-pressure mechanical sealing device

Country Status (1)

Country Link
CN (1) CN111577899A (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN113198353A (en) * 2021-05-08 2021-08-03 佛山市金银河智能装备股份有限公司 Planetary stirrer structure

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN113198353A (en) * 2021-05-08 2021-08-03 佛山市金银河智能装备股份有限公司 Planetary stirrer structure

Similar Documents

Publication Publication Date Title
US11298666B2 (en) Slurry mixer for a battery electrode
CN111577899A (en) Double-shaft high-pressure mechanical sealing device
CN212657238U (en) Double-shaft high-pressure mechanical sealing device
KR100917901B1 (en) Rotation and revolving type impeller for mixer
CN211562579U (en) Heat dissipation formula dive agitating unit
CN210021867U (en) Circulation vacuum defoaming agitator tank
CN217842029U (en) Virtual-heart fluid movement device, double-blade virtual-heart fluid movement component and snaking mechanism
CN108799132B (en) Impeller pump
CN216987707U (en) Ammonium chloride neutralization reaction cauldron
CN203620540U (en) Concentric double-shaft stirrer adopting mixing outer paddle
CN216573105U (en) Formaldehyde scavenging agent apparatus for producing
CN115414889A (en) Device for improving hydrogen utilization rate in hydrogen peroxide production
CN212467756U (en) Online dispersion auto sucking machine and slurrying system
CN214145932U (en) Fluoroplastic magnetic drive pump convenient to maintain
CN212068432U (en) Chemical stirring kettle capable of stirring more uniformly
CN210383641U (en) Stirring and mixing device easy to disassemble, assemble and clean
CN215463603U (en) High-speed stirring device
CN221591247U (en) Water pump
CN219003072U (en) Treatment reaction kettle for cresol
CN221058098U (en) Permanent magnet direct drive pump motor shell
CN221131729U (en) Stirring mechanism
CN210602956U (en) Baffling rotary seal head of heat exchanger
CN210218133U (en) Vertical multistage stainless steel stamping pump
CN112682324A (en) Double-water-chamber water pump
CN213493679U (en) Double-blade paddle stirring device for large-scale reaction kettle

Legal Events

Date Code Title Description
PB01 Publication
PB01 Publication
SE01 Entry into force of request for substantive examination
SE01 Entry into force of request for substantive examination
TA01 Transfer of patent application right
TA01 Transfer of patent application right

Effective date of registration: 20230412

Address after: Room 333, 3rd Floor, Building 2, No. 8, Zhuangchi Road, Qianyao Town, Jiashan County, Jiaxing City, Zhejiang Province, 314107

Applicant after: Zhejiang Fuge Intelligent Technology Co.,Ltd.

Address before: Workshop 3-1, 28 Chengxi Avenue, Luoxing street, Jiashan County, Jiaxing City, Zhejiang Province

Applicant before: Jiaxing bogman seal Co.,Ltd. Jiashan Jingang branch