CN112081832A - Reactor reloading device with detachable bearing - Google Patents
Reactor reloading device with detachable bearing Download PDFInfo
- Publication number
- CN112081832A CN112081832A CN202010988467.7A CN202010988467A CN112081832A CN 112081832 A CN112081832 A CN 112081832A CN 202010988467 A CN202010988467 A CN 202010988467A CN 112081832 A CN112081832 A CN 112081832A
- Authority
- CN
- China
- Prior art keywords
- sealing
- bearing
- reactor
- upper ring
- main container
- 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
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Classifications
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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
- F16C—SHAFTS; FLEXIBLE SHAFTS; ELEMENTS OR CRANKSHAFT MECHANISMS; ROTARY BODIES OTHER THAN GEARING ELEMENTS; BEARINGS
- F16C19/00—Bearings with rolling contact, for exclusively rotary movement
- F16C19/02—Bearings with rolling contact, for exclusively rotary movement with bearing balls essentially of the same size in one or more circular rows
- F16C19/04—Bearings with rolling contact, for exclusively rotary movement with bearing balls essentially of the same size in one or more circular rows for radial load mainly
- F16C19/06—Bearings with rolling contact, for exclusively rotary movement with bearing balls essentially of the same size in one or more circular rows for radial load mainly with a single row or balls
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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
- F16J15/40—Sealings between relatively-moving surfaces by means of fluid
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- G—PHYSICS
- G21—NUCLEAR PHYSICS; NUCLEAR ENGINEERING
- G21C—NUCLEAR REACTORS
- G21C13/00—Pressure vessels; Containment vessels; Containment in general
- G21C13/02—Details
- G21C13/06—Sealing-plugs
- G21C13/073—Closures for reactor-vessels, e.g. rotatable
- G21C13/0735—Seals for closures or for rotatable closures
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02E—REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
- Y02E30/00—Energy generation of nuclear origin
- Y02E30/30—Nuclear fission reactors
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- Engineering & Computer Science (AREA)
- General Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Physics & Mathematics (AREA)
- Plasma & Fusion (AREA)
- High Energy & Nuclear Physics (AREA)
- Rolling Contact Bearings (AREA)
Abstract
The invention discloses a reactor refueling device with a detachable bearing, relates to the technical field of reactor main container refueling devices, and particularly relates to a reactor refueling device with a detachable bearing. The invention relates to a reactor refueling device with a detachable bearing, which comprises: the plug body, the main container, the rotating device and the sealing device; the plug body is arranged on a top mounting platform of the main container through a rotating device; the sealing device is arranged between the plug body and the main container and is positioned at the inner side of the rotating device. The bearing seat of the rotating device is of an annular structure and is fixedly arranged at the upper part of the mounting platform; the lower ring of the bearing is fixedly arranged on the bearing seat, the upper ring is arranged on the lower ring through the rolling body, the upper ring can freely rotate relative to the lower ring, and the upper ring and the lower ring are of split structures, so that online disassembly and assembly can be realized; the outer edge platform of the plug body is arranged on the upper ring and can rotate along with the upper ring. Furthermore, the sealing skirt plate is of an annular plate-shaped structure, the top of the sealing skirt plate is fixedly arranged at the bottom of the outer edge platform, and the lower part of the sealing skirt plate is inserted into sealing liquid of the liquid sealing device to carry out liquid sealing on the main container.
Description
Technical Field
The invention discloses a reactor refueling device with a detachable bearing, relates to the technical field of reactor main container refueling devices, and particularly relates to a reactor refueling device with a detachable bearing.
Background
At present, a bearing of an online refueling reactor refueling device is installed inside a reactor pressure boundary, and radioactive gas exists inside the reactor pressure boundary, so that the bearing of the online refueling reactor refueling device is at an invisible and inaccessible position, and the radioactive gas exists inside the reactor pressure boundary, so that the bearing of the online refueling reactor refueling device cannot be monitored, maintained and replaced, and the problem that major operation faults of the whole reactor occur if the bearing fails during the operation of the reactor is caused.
In view of the problems in the prior art, it is necessary to develop a new reactor refueling device with a replaceable bearing, so as to overcome the problems in the prior art.
Disclosure of Invention
The bearing of the online refueling reactor refueling device provided according to the prior art can not be monitored, maintained and replaced, so that the technical problem that the whole reactor has major operation faults if the bearing faults occur during the operation of the reactor is solved, and the reactor refueling device with the detachable bearing is provided. The invention mainly utilizes the bearing which is detachably assembled to match with the sealing device, thereby achieving the purpose of replacing the bearing on the premise of keeping the sealing.
The technical means adopted by the invention are as follows:
a removable bearing reactor refueling unit comprising: the plug body is arranged at the upper port part of the main container; its characterized in that, reactor reloading device of removable bearing still include: a rotating device and a sealing device;
furthermore, the plug body is arranged on a top mounting platform of the main container through a rotating device and can rotate on the mounting platform;
further, a sealing means is provided between the stopper body and the main container and inside the rotating means.
Further, the rotating device includes: a bearing and a bearing seat;
furthermore, the bearing seat is of an annular structure and is fixedly arranged at the upper part of the mounting platform;
further, the bearing includes: an upper ring, a rolling body and a lower ring; the lower ring is fixedly arranged on the bearing seat, the upper ring is arranged on the lower ring through the rolling body, the upper ring can freely rotate relative to the lower ring, and the upper ring and the lower ring are of split structures, so that online disassembly and assembly can be realized;
furthermore, the outer edge platform of the plug body is arranged on the upper ring and can rotate along with the upper ring.
Further, the sealing device includes: sealing apron board and liquid sealing device;
furthermore, the main body of the liquid sealing device is an annular groove body with an open top, the annular groove body is fixedly arranged on the mounting platform, and sealing liquid is filled in the groove body;
furthermore, the sealing skirt plate is of an annular plate-shaped structure, the top of the sealing skirt plate is fixedly arranged at the bottom of the outer edge platform, and the lower part of the sealing skirt plate is inserted into sealing liquid of the liquid sealing device to carry out liquid sealing on the main container.
Furthermore, the outer edge table and the bearing seat are provided with vent holes, so that the sealing device can be cooled.
Further, the vent hole on the outer edge platform is arranged on the outer edge platform between the upper ring and the sealing skirt board.
In the process of replacing the bearing on line, the plug body can be lifted upwards, the sealing apron board is still kept immersed in the sealing liquid of the liquid sealing device after the plug body is lifted, the upper ring and the lower ring of the bearing can be detached, and a new bearing can be replaced after the bearing is detached.
Compared with the prior art, the invention has the following advantages:
1. according to the reactor refueling device with the detachable bearing, the bearing is arranged on the outer side of the sealing device, so that the visual detection of the bearing is realized;
2. according to the reactor refueling device with the detachable bearing, the bearing is arranged on the outer side of the sealing device, so that the implementation maintenance and replacement of the bearing are realized;
3. according to the reactor refueling device with the detachable bearing, the split bearing is adopted, so that the bearing is rapidly and conveniently replaced;
4 the reactor refueling device with the replaceable bearing provided by the invention ensures that the radiation gas in the reactor main container does not leak when the bearing is replaced by arranging the liquid sealing device at the inner side of the bearing, thereby avoiding major operation faults.
In conclusion, the technical scheme of the invention solves the problem that the bearing of the online refueling reactor refueling device in the prior art cannot be monitored, maintained and replaced, so that the whole reactor has major operation faults if the bearing fails during the operation of the reactor.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings needed to be used in the description of the embodiments or the prior art will be briefly introduced below, and it is obvious that the drawings in the following description are 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 view of the structure of the present invention.
In the figure: 1. the device comprises a plug body 11, an outer edge platform 2, a sealing apron 3, a bearing 31, an upper ring 32, rolling bodies 33, a lower ring 4, a liquid sealing device 5, a bearing seat 6, a main container 61 and a mounting platform.
Detailed Description
It should be noted that the embodiments and features of the embodiments may be combined with each other without conflict. The present invention will be described in detail below with reference to the embodiments with reference to the attached drawings.
In order to make the objects, technical solutions and advantages of the embodiments of the present invention clearer, 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. The following description of at least one exemplary embodiment is merely illustrative in nature and is in no way intended to limit the invention, its application, or uses. All other embodiments, which can be obtained by a person skilled in the art without any inventive step based on the embodiments of the present invention, are within the scope of the present invention.
It is noted that the terminology used herein is for the purpose of describing particular embodiments only and is not intended to be limiting of exemplary embodiments according to the invention. As used herein, the singular forms "a", "an" and "the" are intended to include the plural forms as well, and it should be understood that when the terms "comprises" and/or "comprising" are used in this specification, they specify the presence of stated features, steps, operations, devices, components, and/or combinations thereof, unless the context clearly indicates otherwise.
The relative arrangement of the components and steps, the numerical expressions and numerical values set forth in these embodiments do not limit the scope of the present invention unless specifically stated otherwise. Meanwhile, it should be understood that the sizes of the respective portions shown in the drawings are not drawn in an actual proportional relationship for the convenience of description. Techniques, methods, and apparatus known to those of ordinary skill in the relevant art may not be discussed in detail but are intended to be part of the specification where appropriate. In all examples shown and discussed herein, any particular value should be construed as merely illustrative, and not limiting. Thus, other examples of the exemplary embodiments may have different values. It should be noted that: like reference numbers and letters refer to like items in the following figures, and thus, once an item is defined in one figure, further discussion thereof is not required in subsequent figures.
In the description of the present invention, it is to be understood that the orientation or positional relationship indicated by the directional terms such as "front, rear, upper, lower, left, right", "lateral, vertical, horizontal" and "top, bottom", etc., are generally based on the orientation or positional relationship shown in the drawings, and are used for convenience of description and simplicity of description only, and in the absence of any contrary indication, these directional terms are not intended to indicate and imply that the device or element so referred to must have a particular orientation or be constructed and operated in a particular orientation, and therefore should not be considered as limiting the scope of the present invention: the terms "inner and outer" refer to the inner and outer relative to the profile of the respective component itself.
Spatially relative terms, such as "above … …," "above … …," "above … …," "above," and the like, may be used herein for ease of description to describe one device or feature's spatial relationship to another device or feature as illustrated in the figures. It will be understood that the spatially relative terms are intended to encompass different orientations of the device in use or operation in addition to the orientation depicted in the figures. For example, if a device in the figures is turned over, devices described as "above" or "on" other devices or configurations would then be oriented "below" or "under" the other devices or configurations. Thus, the exemplary term "above … …" can include both an orientation of "above … …" and "below … …". The device may be otherwise variously oriented (rotated 90 degrees or at other orientations) and the spatially relative descriptors used herein interpreted accordingly.
It should be noted that the terms "first", "second", and the like are used to define the components, and are only used for convenience of distinguishing the corresponding components, and the terms have no special meanings unless otherwise stated, and therefore, the scope of the present invention should not be construed as being limited.
As shown in the drawings, the invention provides a reactor refueling device with a replaceable bearing, which comprises: the plug comprises a plug body 1 and a main container 6, wherein the plug body 1 is arranged at the upper end opening part of the main container 6; its characterized in that, reactor reloading device of removable bearing still include: a rotating device and a sealing device; the plug body 1 is arranged on a top mounting platform 61 of the main container 6 through a rotating device and can rotate on the mounting platform 61; the sealing device is arranged between the plug body 1 and the main container 6 and is positioned at the inner side of the rotating device.
The rotating device includes: a bearing 3 and a bearing seat 5; the bearing seat 5 is of an annular structure and is fixedly arranged at the upper part of the mounting platform 61; the bearing 3 includes: an upper race 31, rolling elements 32, and a lower race 33; the lower ring 33 is fixedly arranged on the bearing seat 5, the upper ring 31 is arranged on the lower ring 33 through the rolling body 32, the upper ring 31 can freely rotate relative to the lower ring 33, and the upper ring 31 and the lower ring 33 are of split structures, so that online disassembly and assembly can be realized; the outer edge platform 11 of the cock body 1 is arranged on the upper ring 31 and can rotate along with the upper ring 31.
The sealing device includes: a sealing apron plate 2 and a liquid sealing device 4; the main body of the liquid sealing device 4 is an annular groove body with an open top, and is fixedly arranged on the mounting platform 61, and sealing liquid is filled in the groove body; the skirt seal 2 has an annular plate-like structure, the top of which is fixed to the bottom of the outer edge table 11, and the lower of which is inserted into the sealing liquid of the liquid seal device 4 to liquid-seal the main tank 6.
The outer edge platform 11 and the bearing seat 5 are provided with vent holes 7, so that cooling of the sealing device can be realized.
The vent hole 7 in the outer edge platform 11 is provided in the outer edge platform 11 between the upper ring 31 and the sealing skirt 2.
Finally, it should be noted that: the above embodiments are only used to illustrate the technical solution of the present invention, and not to limit the same; while the invention has been described in detail and with reference to the foregoing embodiments, it will be understood by those skilled in the art that: the technical solutions described in the foregoing embodiments may still be modified, or some or all of the technical features may be equivalently replaced; and the modifications or the substitutions do not make the essence of the corresponding technical solutions depart from the scope of the technical solutions of the embodiments of the present invention.
Claims (5)
1. A removable bearing reactor refueling unit comprising: the plug comprises a plug body (1) and a main container (6), wherein the plug body (1) is arranged at the upper end opening part of the main container (6); its characterized in that, reactor reloading device of removable bearing still include: a rotating device and a sealing device;
the plug body (1) is arranged on a top mounting platform (61) of the main container (6) through a rotating device and can rotate on the mounting platform (61);
the sealing device is arranged between the plug body (1) and the main container (6) and is positioned at the inner side of the rotating device.
2. The removable bearing reactor refueling unit as recited in claim 1, wherein said rotating means comprises: a bearing (3) and a bearing seat (5);
the bearing seat (5) is of an annular structure and is fixedly arranged on the upper part of the mounting platform (61);
the bearing (3) comprises: an upper ring (31), a rolling body (32), and a lower ring (33); the lower ring (33) is fixedly arranged on the bearing seat (5), the upper ring (31) is arranged on the lower ring (33) through a rolling body (32), the upper ring (31) can freely rotate relative to the lower ring (33), and the upper ring (31) and the lower ring (33) are of split structures, so that online disassembly and assembly can be realized;
the outer edge table (11) of the plug body (1) is arranged on the upper ring (31) and can rotate along with the upper ring (31).
3. The removable bearing reactor refueling unit as recited in claim 1, wherein said sealing means comprises: a sealing apron plate (2) and a liquid sealing device (4);
the main body of the liquid sealing device (4) is an annular groove body with an open top, the annular groove body is fixedly arranged on the mounting platform (61), and sealing liquid is filled in the groove body;
the sealing apron board (2) is of an annular plate-shaped structure, the top of the sealing apron board is fixedly arranged at the bottom of the outer edge platform (11), and the lower part of the sealing apron board is inserted into sealing liquid of the liquid sealing device (4) to carry out liquid sealing on the main container (6).
4. A reactor reloading device with removable bearings, according to claim 2, characterized in that said outer rim (11) and said bearing seats (5) are provided with ventilation holes (7) for cooling the sealing means.
5. The removable bearing reactor refueling device as recited in claim 4, wherein the vent holes (7) in the outer rim platform (11) are disposed in the outer rim platform (11) between the upper ring (31) and the sealing skirt (2).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010988467.7A CN112081832A (en) | 2020-09-18 | 2020-09-18 | Reactor reloading device with detachable bearing |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010988467.7A CN112081832A (en) | 2020-09-18 | 2020-09-18 | Reactor reloading device with detachable bearing |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN112081832A true CN112081832A (en) | 2020-12-15 |
Family
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202010988467.7A Pending CN112081832A (en) | 2020-09-18 | 2020-09-18 | Reactor reloading device with detachable bearing |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN112081832A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN117976271A (en) * | 2024-02-20 | 2024-05-03 | 四川大学 | Reactor body beneficial to fuel conversion and conversion method |
Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB1001301A (en) * | 1961-04-14 | 1965-08-11 | Commissariat Energie Atomique | Improvements in or relating to processes for applying alloys to metal surfaces |
| FR2045605A1 (en) * | 1969-06-06 | 1971-03-05 | Commissariat Energie Atomique | Seal for a rotary cap of a reactor vessel |
| JPS54142454A (en) * | 1978-04-28 | 1979-11-06 | Toshiba Corp | Freeze seal structure |
| CN201242876Y (en) * | 2008-08-06 | 2009-05-20 | 中国原子能科学研究院 | Sealing device for tin-bismuth alloy |
| CN203077073U (en) * | 2013-02-18 | 2013-07-24 | 一重集团大连设计研究院有限公司 | Grinding device for sealing surface of reactor pressure vessel |
| CN106531239A (en) * | 2016-11-11 | 2017-03-22 | 中广核研究院有限公司 | Dynamic sealing device of reactor top cover of heavy metal cooling reactor and sealing method thereof |
| CN206868452U (en) * | 2017-06-09 | 2018-01-12 | 苏州优耐特机械制造有限公司 | A kind of horizontal spiral discharge sedimentation centrifuge with cooling lubricating structure |
-
2020
- 2020-09-18 CN CN202010988467.7A patent/CN112081832A/en active Pending
Patent Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB1001301A (en) * | 1961-04-14 | 1965-08-11 | Commissariat Energie Atomique | Improvements in or relating to processes for applying alloys to metal surfaces |
| FR2045605A1 (en) * | 1969-06-06 | 1971-03-05 | Commissariat Energie Atomique | Seal for a rotary cap of a reactor vessel |
| JPS54142454A (en) * | 1978-04-28 | 1979-11-06 | Toshiba Corp | Freeze seal structure |
| CN201242876Y (en) * | 2008-08-06 | 2009-05-20 | 中国原子能科学研究院 | Sealing device for tin-bismuth alloy |
| CN203077073U (en) * | 2013-02-18 | 2013-07-24 | 一重集团大连设计研究院有限公司 | Grinding device for sealing surface of reactor pressure vessel |
| CN106531239A (en) * | 2016-11-11 | 2017-03-22 | 中广核研究院有限公司 | Dynamic sealing device of reactor top cover of heavy metal cooling reactor and sealing method thereof |
| CN206868452U (en) * | 2017-06-09 | 2018-01-12 | 苏州优耐特机械制造有限公司 | A kind of horizontal spiral discharge sedimentation centrifuge with cooling lubricating structure |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN117976271A (en) * | 2024-02-20 | 2024-05-03 | 四川大学 | Reactor body beneficial to fuel conversion and conversion method |
| CN117976271B (en) * | 2024-02-20 | 2024-08-13 | 四川大学 | Reactor body beneficial to fuel conversion and conversion method |
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