CN209123513U - A kind of wall-mounted air draft prefilter in hot cell - Google Patents
A kind of wall-mounted air draft prefilter in hot cell Download PDFInfo
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- CN209123513U CN209123513U CN201821732907.7U CN201821732907U CN209123513U CN 209123513 U CN209123513 U CN 209123513U CN 201821732907 U CN201821732907 U CN 201821732907U CN 209123513 U CN209123513 U CN 209123513U
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- filter core
- support frame
- air draft
- column
- above body
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Abstract
The utility model provides a kind of wall-mounted air draft prefilter in hot cell, comprising: end be fixed in the housing sidewall of hot cell supporting frame, be placed on the intracorporal filter core of support frame, and the hold-down mechanism that one end far from the side wall of supporting frame is set, filter core can be pressed on under the action of hanging device opposite other end in supporting frame；Hold-down mechanism can also unclamp under the action of hanging device and expose filter core；The other end of supporting frame is connect with discharge pipe.The utility model can manipulate hold-down mechanism by hanging device and filter core is pressed in supporting frame, and hold-down mechanism release filter core is manipulated by hanging device and exposes filter core, old filter core is taken out out of supporting frame by hanging device again, or new filter core is put into supporting frame, to realize the remote installation and replacement of filter core by hanging device.Moreover, because the end of supporting frame is fixed in the housing sidewall of hot cell, it is not take up ground space in hot cell.
Description
Technical field
The utility model relates to technical field of nuclear facility, and in particular to a kind of wall-mounted air draft prefilter in hot cell.
Background technique
Hot cell is the screened room for carrying out high radioactivity test and operation, is to handle the radiation for having harm to human body and environment
The closing special facilities of property substance.Due to containing the various radioactive particles such as gamma-rays and α, β in radioactive environment, pass through heat
Radioactive environment can be isolated with ambient enviroment for room, play the role of security mask.
The purification of radgas is mainly completed by filter in hot cell, is generally realized by multistage filtering.In order to protect
Dynamical filter improves filter efficiency, extends filter service life, and primary row need to be arranged at exhaust outlet inside hot cell
Wind prefilter.
Due to there are radioactive substance, needing to reduce to the greatest extent the probability that personnel enter hot cell in hot cell.But existing row
Wind prefilter is limited by structure, can only increase the radiation risk of operator by artificial short distance installation and replacement filter core；
Moreover, larger to the occupation rate of ground space in hot cell.
Utility model content
The utility model is completed in order at least partly solve the technical problems existing in the prior art.
Solving technical solution used by the utility model technical problem is:
The utility model provides a kind of wall-mounted air draft prefilter in hot cell comprising: hot cell shell side is fixed in end
Supporting frame on wall is placed on the intracorporal filter core of support frame as described above, and is arranged in support frame as described above body far from the side wall
One end, the filter core can be pressed on under the action of hanging device the compacting machine of opposite other end in support frame as described above body
Structure；The hold-down mechanism can also unclamp under the action of hanging device and expose the filter core；The other end of support frame as described above body
It is connect with discharge pipe.
Optionally, support frame as described above body includes the annular chassis being fixed on the side wall, is arranged in the chassis side
Two on the surface shelves columns and at least one support column being oppositely arranged, and connect with the end of the shelves column and the support column
The connecting plate connect；Another side surface on the chassis is connect with the discharge pipe.
Optionally, the end of a shelves column of the support frame as described above body and hold-down mechanism is hinged, end of another shelves column
It is locked between portion and the hold-down mechanism by retaining mechanism.
Optionally, the hold-down mechanism includes that the screw rod connecting in the middle part of gland, one end and the gland, middle part are sleeved on institute
The tightening latch stated on screw rod and be connected through a screw thread with the screw rod, and the runner of the screw rod other end is set；The bolt
One end of bar and the end of a shelves column of support frame as described above body are hinged, and the other end of the tightening latch is another with support frame as described above body
It is locked between the end of a piece shelves column by the retaining mechanism.
Optionally, the end of a shelves column of support frame as described above body is provided with and the shape of described tightening latch one end and size phase
Matched through slot, and through the through slot and both ends are individually fixed in the opposite side of a shelves column end of support frame as described above body
The hinge axis in face；One end of the tightening latch is provided with the hinge that, shape corresponding with the position of the hinge axis and size match
Chain hole.
Optionally, the end of another shelves column of support frame as described above body is provided with shape and ruler with the tightening latch other end
The very little through slot to match；The retaining mechanism includes the pin that the end sides of another shelves column of support frame as described above body are arranged in
Axis, and pass through the pin shaft and the column articulated L shape jam plate of another shelves；It is provided in a line of the L shape jam plate
The another a line of the pin hole that, shape corresponding with the position of the pin shaft and size match, the L shape jam plate extends downwardly simultaneously
Locking stretches to the other end of the tightening latch in the through slot of another shelves column.
Optionally, the retaining mechanism further includes the limited block being arranged in the L shape jam plate a line, the limited block
Extend to the end sides of another shelves column of support frame as described above body；And/or the retaining mechanism further includes being arranged in the L
Finger in the another a line of shape jam plate；And/or the retaining mechanism further includes another shelves column that support frame as described above body is arranged in
The snap-gauge of end, the snap-gauge is for limiting the angle that the L shape jam plate is rotated along the pin shaft.
Optionally, the gland includes annular pressing plate, the middle part positioned at the annular pressing plate center and both ends difference
More spokes being connect with the side on the surface of the annular pressing plate and the middle part.
Optionally, the middle part of the gland is provided with through-hole towards the side of the screw rod, and one end of the screw rod is stretched
Enter in the through-hole and is connect by least one gland pin with the middle part.
Optionally, gasket is provided at the position that opposite other end is in contact with the filter core in support frame as described above body.
Optionally, handle is provided on the filter core.
The utility model has the advantages that
The utility model can manipulate hold-down mechanism by hanging device and filter core is pressed in supporting frame, and by hanging
Dress device manipulation hold-down mechanism unclamp filter core simultaneously expose filter core, then can by hanging device by old filter core out of supporting frame
It takes out, or new filter core is put into supporting frame, to realize the remote installation and replacement of filter core by hanging device.
Moreover, because the end of supporting frame is fixed in the housing sidewall of hot cell, it is not take up ground space in hot cell.
Detailed description of the invention
Fig. 1 is the perspective view of the wall-mounted air draft prefilter working condition in hot cell provided by the embodiment of the utility model；
Fig. 2 is the top cross-sectional view of the wall-mounted air draft prefilter in hot cell provided by the embodiment of the utility model；
Fig. 3 is the cross-sectional view of hold-down mechanism in Fig. 1 and Fig. 2；
Fig. 4 is the locking schematic diagram of L shape jam plate in Fig. 1；
Fig. 5 is the perspective view that the wall-mounted air draft prefilter in hot cell provided by the embodiment of the utility model replaces state.
In figure: the chassis 1-；2- bumping post；3- bumping post screw；4- discharge pipe；5- filter core；6- hinge axis；7- bumping post
Screw；8- hold-down mechanism；9- connecting plate；10- support column screw；11-L shape jam plate；12- support column；13- gasket；
14- tightening latch；15- pin shaft；16- handle；17- gland；18- gland pin；19- runner；20- screw rod；21- finger；
22- snap-gauge；23- limited block.
Specific embodiment
To make those skilled in the art more fully understand the technical solution of the utility model, with reference to the accompanying drawings and examples
The utility model is described in further detail.
Due to there are radioactive substance, needing to reduce to the greatest extent the probability that personnel enter hot cell in hot cell；Moreover, because hot cell
Interior space is limited, it is also necessary to reduce corollary equipment to the occupation rate of ground space.
To solve the above problems, the present embodiment provides one kind can either remote installation and replacement filter core, and can be reduced pair
The wall-mounted air draft prefilter in the hot cell of ground space occupation rate in hot cell.The air draft prefilter is suitable for various sizes
Filter core, is 500mm to 800mm especially suitable for diameter range, and length range is the large-scale filter core of 300mm to 700mm.
In the description of the present invention, it should be understood that term " center ", "upper", "lower", "left", "right",
" just ", the orientation or positional relationship of the instructions such as negation, "vertical", "horizontal", "top", "bottom", "inner", "outside" is based on attached drawing institute
The orientation or positional relationship shown, is merely for convenience of describing the present invention and simplifying the description, rather than indication or suggestion is signified
Device or element must have a particular orientation, be constructed and operated in a specific orientation, therefore should not be understood as to this is practical
Novel limitation.
As shown in Figures 1 to 5, the air draft prefilter includes: the support frame that end is fixed in the housing sidewall of hot cell
Body is placed on the intracorporal filter core 5 of support frame, and one end far from the side wall of supporting frame is arranged in, in hanging device
The lower hold-down mechanism 8 that filter core 5 can be pressed on to opposite other end in supporting frame of effect.Hold-down mechanism 8 can also be in hanging device
Under the action of unclamp and expose filter core 5, i.e. filter core 5 is compressed and is unclamped by hold-down mechanism 8.The other end and discharge pipe of supporting frame
4 connections, discharge pipe 4 are connect with ventilation shaft.
Wherein, the working method of filter core 5 is surrounding air inlet, center air draft.Specifically, the indoor air of heat is from filter core 5
Surrounding enters to realize filtering inside filter core 5, and filtered air then passes through discharge pipe 4 and is discharged in ventilation shaft.Lifting is set
It is standby that the equipment such as existing manipulator or crane can be used.
In the present embodiment, hold-down mechanism can be manipulated by hanging device and filter core is pressed in supporting frame, and passed through
Hanging device manipulation hold-down mechanism, which unclamps filter core, simultaneously exposes filter core, then can by hanging device by old filter core from supporting frame
Interior taking-up, or new filter core is put into supporting frame, to realize the remote installation and more of filter core by hanging device
It changes.Moreover, because the end of supporting frame is fixed in the housing sidewall of hot cell, it is not take up ground space in hot cell.Certainly, described
Air draft prefilter need to be arranged in hot cell in the opereating specification of the hanging devices such as manipulator or crane.
As depicted in figs. 1 and 2, supporting frame includes the annular chassis 1 being fixed on the side wall, is arranged on chassis 1 one
Two on side surface (can be described as front) the shelves columns 2 and at least one support column 12 being oppositely arranged, and with shelves column 2 and support
The connecting plate 9 of the end connection of column 12.Another side surface (can be described as the back side) on chassis 2 is connect with discharge pipe 4.Wherein, chassis
Solderable to be connected to hot cell housing sidewall, the back side on chassis can be welded with discharge pipe.
In the present embodiment, the hollow frame that supporting frame is made of chassis 1, shelves column 2, support column 12 and connecting plate 9, filter
Core is placed in the hollow frame, in order to which filter core is entered the wind from surrounding, center air draft.
Further, since the end of supporting frame is fixed in the housing sidewall of hot cell, and supporting frame preferably with it is described
Side wall is vertically arranged, and filter core is lain in a horizontal plane in supporting frame, so the supporting part of supporting frame is mainly situated in two shelves
Support column below column, i.e. support column are used to support filter core, then from the point of view of for material is saved, it can be only in two shelves columns
Support column is arranged in lower section, and correspondingly, connecting plate is fan annular connecting plate.Wherein, if filter core 5 is cylinder, chassis 1 is annulus
Shape, then two shelves columns 2 are preferably located at the radial both ends in chassis 1, to not only be able to satisfy load-bearing requirements, but also can be further reduced support
The usage quantity of column.
It should be noted that, although illustrating only two support columns of setting below two shelves columns in Fig. 1, but this is practical new
Type is not restricted to this, and it is also within the protection scope of the present utility model that support column more or less is arranged.As for two
The particular number for the support column being arranged below shelves column, can be set according to the actual situation by those skilled in the art.
As shown in Figure 1, between shelves column 2 and chassis 1 and connecting plate 9 and between support column 12 and chassis 1 and connecting plate 9,
It is realized and is connected by screw thread, to be connected as an entirety.
Specifically, one end (can be described as bottom end) of shelves column 2 is fixed on chassis 1 by shelves column screw 3, shelves column 2 it is another
End (can be described as top) is fixed on connecting plate 9 by shelves column screw 7；One end (can be described as bottom end) of support column 12 passes through end
It is threadedly secured on chassis 1, the other end (can be described as top) of support column 12 is fixed on connecting plate 9 by support column screw 10
On.
As illustrated in figs. 1 and 2, for the ease of being removed and placed into filter core, the end of a shelves column 2 of supporting frame and compression
Mechanism 8 is hinged, passes through retaining mechanism between the end and hold-down mechanism 8 of another shelves column 2 locks.
As shown in figure 3, hold-down mechanism 8 include in the middle part of gland 17, one end and gland 17 screw rod 20 that connects, middle part be sleeved on
The tightening latch 14 being connected through a screw thread on screw rod 20 and with screw rod 20, and the runner 19 of 20 other end of screw rod is set.
Wherein, the middle part of tightening latch 14 is equipped with trapezoidal thread hole, and correspondingly, the outer surface of screw rod 20 is provided with the ladder to match
Shape screw thread.After screw rod 20 passes through the trapezoidal thread hole at 14 middle part of tightening latch, both ends are connect with the middle part of gland 17 and runner 19 respectively.
When operation, after the both ends of tightening latch 14 have been separately fixed at the end of two shelves columns of supporting frame, rotated using hanging device
Runner 19, runner 19 drive screw rod 20 to rotate to the direction of hot cell housing sidewall, to inwardly push gland 17 until compressing filter
Core 5 ensure that the leakproofness and reliability of filter core.
Specifically, as depicted in figs. 1 and 2, a shelves column 2 of one end (i.e. right end in figure) of tightening latch 14 and supporting frame
The end of (the right side shelves column i.e. in figure) is hinged；The other end (left end i.e. in figure) of tightening latch 14 and another shelves of supporting frame
It is locked between the end of column 2 (the left side shelves column i.e. in figure) by retaining mechanism.
Further, as shown in Figure 1, the end of a shelves column 2 (the right side shelves column i.e. in figure) for supporting frame is provided with
The through slot to match with the shape of 14 one end of tightening latch (i.e. right end in figure) and size, and through the through slot and both ends are fixed respectively
Hinge axis 6 in the opposite flank of 2 end of shelves column of supporting frame.Wherein, the end of a shelves column 2 of supporting frame is set
The through slot set runs through the left and right side of this grade of column 2.One end of tightening latch 14 is provided with, shape corresponding with the position of the hinge axis 6
The hinge hole to match with size, so that the right end of tightening latch 14 being capable of the horizontal rotation of around hinge axis 6.
As shown in Figure 1, the end of another shelves column 2 (the left side shelves column i.e. in figure) of supporting frame is provided with and tightening latch 14
The through slot that the shape and size of the other end (left end i.e. in figure) match.Wherein, the end of another shelves column 2 of supporting frame
The through slot of setting runs through the left and right side of this grade of column 2.
As shown in Figure 1 and Figure 4, retaining mechanism includes that the end sides of another shelves column 2 of supporting frame are arranged in (to scheme
In left side) pin shaft 15, and by pin shaft 15 and the hinged L shape jam plate 11 of another shelves column 2, L shape jam plate 11 can be around
Pin shaft 15 is freely rotated., shape corresponding with the position of pin shaft 15 is provided in a line (horizontal edge i.e. in figure) of L shape jam plate 11
The pin hole that shape and size match, the another a line (longitudinal edge i.e. in figure) of L shape jam plate 11 are extended downwardly and are locked and stretch to separately
The other end (left end i.e. in figure) of tightening latch 14 in the through slot of a piece shelves column 2.
In the present embodiment, L shape jam plate 11 is controlled around the rotation angle of pin shaft 15 by hanging device, and then control tightening latch 14
Locking and unlatching, realize that operator is remote using hanging device, conveniently and efficiently operates air draft prefilter, and
Installation and replacement filter core.
As shown in figure 4, retaining mechanism further includes the limited block 23 being arranged in 11 a line of L shape jam plate, limited block 23 to
The end sides (upper side i.e. in figure) of another shelves column 2 of supporting frame extend, to be rotated clockwise in L shape jam plate
After the left end of tightening latch is locked, limitation L shape jam plate continues to rotate clockwise.
Retaining mechanism further includes the finger 21 being arranged in the another a line of L shape jam plate 22, for hanging device operation.
Retaining mechanism further includes the snap-gauge 22 that another 2 end of shelves column of supporting frame is arranged in, and snap-gauge 22 is for limiting L
The angle that shape jam plate 11 is rotated along pin shaft 15, the i.e. relative position of L shape jam plate 11 and pin shaft 15 are fixed by snap-gauge 22.
As shown in figure 3, gland 17 include annular pressing plate, the middle part positioned at annular pressing plate center and both ends respectively with
The more spokes that the surface of annular pressing plate is connected with the side of middle part.It should be noted that, although illustrating only gland in Fig. 1
Including four spokes, but the utility model is not restricted to this, and spoke more or less is arranged also in the utility model
Protection scope in.As for the particular number of spoke, can be set according to the actual situation by those skilled in the art.
Further, as shown in figure 3, the middle part of gland 17 is provided with through-hole towards the side of screw rod 20, screw rod 20
One end is protruded into the through-hole and is connect by least one gland pin 18 with the middle part of gland 17, and screw rod 20 and gland are convenient for
17 middle part relatively rotates, thus when runner 19 drives screw rod 20 to rotate to the direction of hot cell housing sidewall, 17, gland
It can inwardly be pushed up to compressing filter core 5, and can't be rotated together with screw rod 20 by spiral shell 20, in order to avoid to filter core in compaction process
It causes to wear in 5 end.Two gland pins are provided in through-hole it should be noted that, although illustrating only in Fig. 3, but this reality
It is not restricted to this with novel, it is also within the protection scope of the present utility model that gland pin more or less is set.As for
The particular number of gland pin can be set according to the actual situation by those skilled in the art.
As shown in Fig. 2, at the position that opposite other end is in contact with filter core 5 in supporting frame, i.e. the front on chassis 1 and filter
At the position that core 5 is in contact, it is provided with gasket 13, sealing when compressing for filter core 5 and chassis 1, so that the air draft
Prefilter has good sealing performance.
As shown in figure 5, filter core 5 is cylinder, handle 16 is additionally provided on filter core 5.Handle 16 is located at filter core 5 far from hot cell
The end of housing sidewall side facilitates moving and slinging for filter core.In other words, gasket 13, the other end is arranged in one end of filter core 5
It is arranged for handle 16 that is mobile and slinging.
The course of work of air draft prefilter described in the utility model is as follows:
When working condition, filter core 5 is limited at work position by bumping post 2 and support column 12, wherein support column 12 plays support
Effect, bumping post 2 limit the movement of 5 left and right directions of filter core.Bumping post 2 and support column 12 pass through bumping post screw 7 and support column screw respectively
10 are connected as an entirety with connecting plate 9, improve support strength.The tightening latch 14 of hold-down mechanism 8 passes through hinge axis 6 and right side bumping post
2 is hinged, when 14 around hinge axis 6 of tightening latch turns to working condition, is locked tightening latch 14 (such as by stirring L shape jam plate 11 clockwise
Shown in Fig. 4).It drives screw rod 20 to rotate by rotating wheel 19 and inwardly pushes gland 17, gland 17 inwardly pushes filter core 5, will
It is uniformly pressed on chassis 1, and the gasket 13 of 5 end of filter core setting ensure that sealing function (as shown in Figure 2).
It since filter core 5 is likely to occur blocking or breakage, needs regularly to replace filter core 5, as shown in figure 5, replacement
When filter core 5, runner 19 need to be rotated backward, runner 19 drives screw rod 20 to rotate backward and draw back, to drive gland 17 backward
It moves back, after gland 17 and the disengaging of filter core 5, stirs L shape jam plate 11 counterclockwise to unclamp tightening latch 14, by the reversed around hinge axis of tightening latch 14
6 turn to state shown in Fig. 5, using hanging devices such as manipulator in hot cell or cranes, sling the handle 16 on filter core 5, need to
Replacement filter core 5 takes processing away.Similarly, new filter core can be installed in place by reverse motions.
In conclusion cylindrical filter cartridge is placed in horizontally disposed supporting frame by the utility model, runner band is utilized
Dynamic screw rod rotation, and then gland is pushed to compress filter core, it ensure that the leakproofness and reliability of filter core, while passing through the jam plate control of L shape
The locking of lever tumbler and unlatching realize operator and utilize the hanging devices such as manipulator or crane at a distance, conveniently and efficiently
Operate air draft prefilter, replacement and installation filter element.Therefore, it is a kind of structure is simple, convenient and reliable hot cell air draft
Prefilter.
It is understood that embodiment of above is merely to illustrate that the principles of the present invention and uses exemplary
Embodiment, however the utility model is not limited thereto.For those skilled in the art, this is not being departed from
In the case where the spirit and essence of utility model, various changes and modifications can be made therein, these variations and modifications are also considered as this reality
With novel protection scope.
Claims (11)
1. a kind of wall-mounted air draft prefilter in hot cell characterized by comprising the branch in the housing sidewall of hot cell is fixed in end
Support body is placed on the intracorporal filter core of support frame as described above, and be arranged in one end far from the side wall of support frame as described above body,
The filter core can be pressed on to the hold-down mechanism of opposite other end in support frame as described above body under the action of hanging device；The compression
Mechanism can also unclamp under the action of hanging device and expose the filter core；The other end and discharge pipe of support frame as described above body connect
It connects.
2. air draft prefilter according to claim 1, which is characterized in that support frame as described above body includes being fixed on the side
Annular chassis on wall, the two shelves columns and at least one support column being oppositely arranged being arranged on one side surface of chassis,
And the connecting plate being connect with the end of the shelves column and the support column；Another side surface on the chassis and the discharge pipe
Connection.
3. air draft prefilter according to claim 2, which is characterized in that the end of a shelves column of support frame as described above body
With the hold-down mechanism it is hinged, pass through retaining mechanism between end and the hold-down mechanism of another shelves column and lock.
4. air draft prefilter according to claim 3, which is characterized in that the hold-down mechanism include gland, one end with
The tightening latch that the screw rod of connection, middle part are sleeved on the screw rod and are connected through a screw thread with the screw rod in the middle part of the gland, with
And the runner of the screw rod other end is set；It cuts with scissors the end of a piece shelves column of one end and support frame as described above body of the tightening latch
It connects, is locked between the end of another shelves column of the other end and support frame as described above body of the tightening latch by the retaining mechanism.
5. air draft prefilter according to claim 4, which is characterized in that the end of a shelves column of support frame as described above body
It is provided with the through slot to match with the shape of described tightening latch one end and size, and through the through slot and both ends are individually fixed in
The hinge axis of the opposite flank of a piece shelves column end of support frame as described above body；One end of the tightening latch is provided with and the hinge axis
The hinge hole that position is corresponding, shape and size match.
6. air draft prefilter according to claim 4, which is characterized in that the end of another shelves column of support frame as described above body
Portion is provided with the through slot to match with the shape of the tightening latch other end and size；The retaining mechanism includes being arranged in the branch
The pin shaft of the end sides of another shelves column of support body, and pass through the pin shaft and the column articulated L shape of another shelves
Jam plate；The pin that, shape corresponding with the position of the pin shaft and size match is provided in a line of the L shape jam plate
The another a line in hole, the L shape jam plate extends downwardly and locks the tightening latch in the through slot for stretching to another shelves column
The other end.
7. air draft prefilter according to claim 6, which is characterized in that the retaining mechanism further includes being arranged described
Limited block in L shape jam plate a line, the limited block extend to the end sides of another shelves column of support frame as described above body；
And/or the retaining mechanism further includes the finger being arranged in the another a line of L shape jam plate；And/or the retaining mechanism
It further include the snap-gauge that another shelves column end of support frame as described above body is set, the snap-gauge is for limiting the L shape jam plate edge
The angle of the pin shaft rotation.
8. air draft prefilter according to claim 4, which is characterized in that the gland includes annular pressing plate, is located at institute
The middle part and both ends for stating annular pressing plate center are connect with the side on the surface of the annular pressing plate and the middle part respectively
More spokes.
9. air draft prefilter according to claim 8, which is characterized in that the middle part of the gland is towards the screw rod
Side be provided with through-hole, one end of the screw rod is protruded into the through-hole and by least one gland pin and the middle part
Connection.
10. air draft prefilter according to claim 1 to 9, which is characterized in that phase in support frame as described above body
Gasket is provided at the position being in contact to the other end with the filter core.
11. air draft prefilter according to claim 1 to 9, which is characterized in that be provided on the filter core
Handle.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821732907.7U CN209123513U (en) | 2018-10-24 | 2018-10-24 | A kind of wall-mounted air draft prefilter in hot cell |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821732907.7U CN209123513U (en) | 2018-10-24 | 2018-10-24 | A kind of wall-mounted air draft prefilter in hot cell |
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| Publication Number | Publication Date |
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| CN209123513U true CN209123513U (en) | 2019-07-19 |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109200691A (en) * | 2018-10-24 | 2019-01-15 | 中国核电工程有限公司 | A kind of wall-mounted air draft prefilter in hot cell |
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2018
- 2018-10-24 CN CN201821732907.7U patent/CN209123513U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109200691A (en) * | 2018-10-24 | 2019-01-15 | 中国核电工程有限公司 | A kind of wall-mounted air draft prefilter in hot cell |
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