CN105169786B - Nuclear island safety shell recirculating filter - Google Patents
Nuclear island safety shell recirculating filter Download PDFInfo
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- CN105169786B CN105169786B CN201510572480.3A CN201510572480A CN105169786B CN 105169786 B CN105169786 B CN 105169786B CN 201510572480 A CN201510572480 A CN 201510572480A CN 105169786 B CN105169786 B CN 105169786B
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- safety shell
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Abstract
The present invention discloses a kind of nuclear island safety shell recirculating filter, it includes the filter element and connector in rectangular distribution, filter element includes filter element, multiple filter elements form the filter element in the rectangular distribution erect, connector includes upper, lower connector, the upper end of adjacent filter element is by upper connector in dismountable connection, lower connector includes horizontal upper mounting portion, the lower end of adjacent filter element is by upper mounting portion in dismountable connection, upper mounting portion bends downwards and extends to form supporting part, the end of supporting part is bent to form horizontal lower fixation；Because filter element is made up of multiple filter elements, filter area is greatly added and efficiency of confluxing, the interception filtering disintegrating slag of energy efficient quick effectively avoids blocking；Meanwhile, multiple filter elements form monolithic construction under the connection function of connector, Stability Analysis of Structures and reliable, and uniform load can be delivered into ground, improve integrated carrying performance.
Description
Technical field
The present invention relates to a kind of used in nuclear power station filter, more particularly to a kind of nuclear island safety of nuclear power station in loss of-coolant accident (LOCA)
Shell recirculating filter.
Background technology
Nuclear power station is in loss of-coolant accident (LOCA), it will substantial amounts of insulation fibre fragment and granular debris are formed, if these fragments
Equipment blocking accident can be caused into recycling upstream device (for example, various pumps, peace spraying nozzle, fuel assembly inlet screen).
Nuclear island safety shell recirculating filter is normally mounted at the annulus of reactor building, positioned at RIS/EAS (Safety Injection systems
System/containment spray system) systems pumps suction inlet above, major function is under accident conditions, to flood underwater melt pit
Filter can efficiently intercept filtering disintegrating slag, it is ensured that the water that reactor building is collected into is filtered, to avoid spraying EAS system
The nozzle drenched on endless tube results in blockage, and avoids resulting in blockage to fuel rod support barrier in the RIS systems recycling stage.
Existing nuclear island safety shell mainly (is also known as filtered in recursive filter including base, top plate and several filter elements
Core), adjacent filter elements have being arranged separately between base and top plate of spacing, and each filter element two ends respectively with bottom
Seat and top plate load；Filter element includes Intranet and outer net, and Intranet is located in outer net；Top plate includes Intranet upper mounted plate and outer
Online fixed plate, and Intranet upper mounted plate and outer net upper mounted plate load；The Intranet upper mounted plate of top plate is logical provided with several
Fluid apertures, the outer net upper mounted plate of top plate is provided with several installation through-holes；The upper end of Intranet and the liquid-through hole of Intranet upper mounted plate
Connection, the lower end of Intranet passes through Intranet bottom plate and base load；And the upper end of outer net and the installation of outer net upper mounted plate are led to
Hole is connected, the annular groove load on the lower end and base of outer net；Left and right side plate is also fitted between the base and top plate, and
Left and right side plate has multiple through holes, and several filter elements are respectively positioned between left and right side plate；Also load between base and top plate
There is forward and backward reinforcing plate, and several filter elements are respectively positioned between forward and backward reinforcing plate；There are fluid hole, fluid hole on the base
Communicated with the chamber formed between Intranet and outer net.
There is certain design defect in this existing nuclear island safety shell recirculating filter, so as to influence its performance：Have
Nuclear island safety shell recirculating filter uses the horizontal arrangement of filter element, because single filter element is directly with confluxing
Pipe is connected, and filter element does not design enough reinforcement structures, and the bulk strength and anti-seismic performance of filter element are undesirable；Have
Filter uses single layer filter element, in the case where taking same space deployment scenarios, is increased because the filtering gross area is smaller on ground
System arranges the difficulty of filter on hole；The filter element of some filters uses polygonized structure, and its single filter element exists
Bending part does not process filter opening, so as to reduce the flow area of single filter cylinder, and easily influences the inside and outside fluid of filter cylinder in bending part
Resistance；Some filter elements are unreasonable due to stud connector design when carrying out that vertical, horizontal is assembled, cause assembled process complicated and
Limited larger by live place is received, cause the assembled filtration channel formed to be laid out circulation that is unreasonable and being not easy to water.
Therefore, need that one kind is not only simple in structure, rigid is good and assembled badly, convenient disassembly and be easy to layout, carrying
The nuclear island safety shell recirculating filter of performance and good filtration effect, to overcome the deficiencies in the prior art.
The content of the invention
It is not only simple in structure it is an object of the invention to provide one kind, rigid is good and assembled, convenient disassembly and just
In layout, the nuclear island safety shell recirculating filter of load-carrying properties and good filtration effect.
To achieve the above object, the invention provides a kind of nuclear island safety shell recirculating filter, wherein, the nuclear island peace
Full shell recirculating filter includes the connector of the filter element and the connection filter element in rectangular distribution, the filtering
Unit includes filter element, and multiple filter elements form the filter element, the connection in the rectangular distribution erect
Part includes upper connector and lower connector, and the upper end of the adjacent filter element is by the upper connector in removably connecting
Connect, the lower connector includes horizontal upper mounting portion, the lower end of the adjacent filter element upper is installed by described
Portion bends downwards in dismountable connection, the upper mounting portion and extends to form supporting part, the end bent of the supporting part
Into horizontal lower fixed part.
It is preferred that multiple filter elements are erect and the transversely arranged horizontally-arranged unit of formation, multiple horizontal strokes at equal intervals
Row's equidistant longitudinal arrangement of unit forms the filter element.
It is preferred that the nuclear island safety shell recirculating filter also include fixation kit, the fixation kit include cover plate,
Bottom plate and framework, the filter element are installed in the framework, the upper end of the filter element in the horizontally-arranged unit with it is described
Cover plate is in being removably connected together, and the two ends of the cover plate are fixedly connected with the framework, the mistake filtering element of the filter element
The lower end of part is in removably to be connected together with the bottom plate.
It is preferred that the filter element includes being in uniformly to offer filtering on plate-like main board, the main board
Hole, the main board is bent to form hollow rectangular configuration in the width direction, the two of the length direction of the main board after bending
Side is in the docking engaged.
It is preferred that joggle of two sides of the length direction of the main board in engaging.
It is preferred that a side of the length direction of the main board protrudes out tenon, the length direction of the main board
Another side is offered docks the tongue-and-groove engaged with the tenon.
It is preferred that the upper end of the main board protrudes out bent upper fastener, the filter element is by described
Fastener is connected together with the cover plate.
It is preferred that the lower end of the main board protrudes out bent lower fastener, the filter element is by under described
Fastener is connected together with the bottom plate.
It is preferred that the upper connector includes flat connecting plate and screw, the connecting plate is placed on adjacent described
The edge of the upper end of filter element, screw correspondence is through the connecting plate and stretches into the edge of the filter element and is in
Engagement connection.
It is preferred that the lower connector also includes ribs, under the ribs is connected to the upper mounting portion and is described
Between fixed part.
It is preferred that the lower end of four corners of the filter element of rectangular distribution is also associated with independent support member.
It is preferred that the independent support member includes horizontal upper supporting part, the upper supporting part and the filtering are single
The lower end connection of four corners of member, the upper supporting part bends downwards and extends to form supportive body, the supportive body
End is bent to form horizontal lower supporting part.
Compared with prior art, because the present invention is using after said structure so that nuclear island safety shell recycling of the invention
Filter has multiple filter elements, and the filter element includes multiple filter elements again so that nuclear island safety shell of the invention
Recirculating filter greatly adds filter area and efficiency of confluxing；Simultaneously because being connected between filter element by connector
Into the overall structure that can be dismantled, simple in construction and rigid is good, and is easy to again follow the nuclear island safety shell of the present invention
Ring filter carries out assembly or disassembly with melt pit；Therefore the present invention nuclear island safety shell recirculating filter be not only simple in structure,
Rigid is good, and assembled, convenient disassembly, is also convenient for layout and good filtration effect；When loss of-coolant accident (LOCA) occurs for nuclear power station,
Under the accident conditions, the interception filtering for flooding underwater nuclear island safety shell recirculating filter energy efficient quick of the invention is broken
Slag, it is ensured that the water being collected into reactor building carries out sufficiently effective filtering, it is to avoid to the nozzle on EAS system spraying ring pipe
Result in blockage, and avoid resulting in blockage to fuel rod support barrier in the RIS systems recycling stage；Therefore, core of the invention
Island containment recirculating filter is not only simple in structure, rigid is good, and filter area is big and efficiency high of confluxing；Meanwhile,
Multiple filter elements form monolithic construction under the connection function of connector, Stability Analysis of Structures and reliable, and can be equal by load
It is even to be delivered to ground, greatly improve integrated carrying performance.
Brief description of the drawings
Fig. 1 is the structural representation of nuclear island safety shell recirculating filter of the present invention.
Fig. 2 is the structural representation of filter element of the present invention.
Fig. 3 is the structural representation of the filter element of filter element of the present invention.
Fig. 4 is Fig. 3 expanded view.
Fig. 5 is the mplifying structure schematic diagram of part A in Fig. 1.
Fig. 6 is to be used in nuclear island safety shell recirculating filter of the present invention support and connect four adjacent filter elements
The structural representation of lower connector.
Fig. 7 is to be used in nuclear island safety shell recirculating filter of the present invention support and connect two adjacent filter elements
The structural representation of lower connector.
Fig. 8 is the structural representation of the independent support member of nuclear island safety shell recirculating filter of the present invention.
Embodiment
Element numbers similar in embodiments of the invention, accompanying drawing, which are described, with reference now to accompanying drawing represents similar element.
As shown in figure 1, the nuclear island safety shell recirculating filter 1 that the present invention is provided, for reactor under accident conditions
The water that factory building is collected into is filtered, and the nuclear island safety shell recirculating filter 1 includes the filter element in rectangular distribution
10 and the connector of the connection filter element, the filter element 10 includes filter element 100, multiple filter elements
100 form the filter element 10 in the rectangular distribution erect, and the connector includes upper connector 20 and lower connector 30,
The upper end of the adjacent filter element 10 is by the upper connector 20 in dismountable connection, and the lower connector 30 includes
Horizontal upper mounting portion 31, the lower end of the adjacent filter element 10 is by the upper mounting portion 31 in removably connecting
Connect, the upper mounting portion 31 bends downwards and extends to form supporting part 32, the end of the supporting part 32 is bent to form horizontal
Lower fixed part 33；Nuclear island safety shell recirculating filter 1 of the invention has multiple filter elements 10, and the mistake as from the foregoing
Unit 10 is filtered again including multiple filter elements 100 so that nuclear island safety shell recirculating filter 1 of the invention is greatly added
Filter area and efficiency of confluxing；Simultaneously because connecting into and can enter by upper connector 20 and lower connector 30 between filter element 10
The overall structure of row dismounting, simple in construction and rigid is good, and is easy to the nuclear island safety shell of the present invention recycling filtering
Device 1 carries out assembly or disassembly with melt pit；When loss of-coolant accident (LOCA) occurs for nuclear power station, under the accident conditions, in loss of-coolant accident (LOCA) operating mode
Under, disintegrating slag is filtered in the interception of the energy efficient quick of nuclear island safety shell recirculating filter 1 of the invention, effectively avoids blocking；
Therefore, thus the present invention nuclear island safety shell recirculating filter 1 be not only simple in structure, rigid is good and assembled, dismounting
It is convenient, it is also convenient for layout and good filtration effect.Nuclear island safety shell recirculating filter 1 of the present invention is made below in conjunction with Fig. 2-Fig. 8
Further details of explanation：
With reference to shown in Fig. 1 and Fig. 2, preferably, multiple filter elements 100 are erect and transversely arranged formation at equal intervals
Horizontally-arranged unit 40, the equidistant longitudinal arrangement of multiple horizontally-arranged units 40 forms the filter element 10.
Continuing with shown in Fig. 1 and Fig. 2, preferably, the nuclear island safety shell recirculating filter 1 also includes fixed group
Part, the fixation kit includes cover plate 51, bottom plate 52 and framework 53, and the filter element 10 is installed in the framework 53, institute
The upper end and the cover plate 51 for stating the filter element 100 in horizontally-arranged unit 40 are in removably to be connected together, i.e., described horizontally-arranged list
Member 40 is made up of the filter element 100 in setting and horizontal equidistantly distributed under the connection positioning action of a cover plate 51, described
The two ends of cover plate 51 are fixedly connected with the framework 53, lower end and the bottom plate of the filter element 100 of the filter element 10
In being removably connected together；The upper end of all filter elements 100 in i.e. each horizontally-arranged unit 40 is entered by a cover plate 51
Row connection, end and the framework 53 of the cover plate 51 are fixed, and the lower end of all filter elements 100 of filter element 10 passes through a bottom
Plate 52 is attached, and the bottom plate 52 is fixed with framework 53 so that filter element 10 of the invention is in cover plate 51, bottom plate 52 and framework
53 fixation and it is spacing in the presence of, formed a monolithic construction.
Significantly, since the present invention filter element 10 include multiple filter elements 100, and the present invention nuclear island
Containment recirculating filter 1 is again including multiple filter elements 10；The specific number of the filter element 100 and filter element 10
Amount, those skilled in the art are on the basis of the technical scheme that the present invention is provided, according to the demand of actual conditions, without any wound
The work for the property made can make a choice and use, and will not be repeated here.
With reference to shown in Fig. 3 and Fig. 4, preferably, the filter element 100 includes plate-like main board 101, the main body
In uniformly filter bores 102 are offered on plate 101, the main board 101 is bent to form hollow rectangular configuration in the width direction,
Two sides of the length direction of the main board are in the docking engaged after bending；Specifically, with reference to shown in Fig. 4, the edge of main board 101
Dotted line A, B, C carry out bending back side edge 101a and side 101b docking engagings in Fig. 4, so as to just form as shown in Figure 3 hollow
Rectangular configuration filter element 100；Filter element 100 is directly bent to form rectangular configuration by plate-like main board 101, curved
Two sides of the length direction of main board 101 are in the docking engaged after folding, so that filter element 100 is in integral structure,
Simple in construction and rigid is good；Meanwhile, multiple filter elements 10 form monolithic construction under the connection function of connector, knot
Structure is stable and reliable, and uniform load can be delivered into ground, greatly improves integrated carrying performance.
Continuing with shown in Fig. 3 and Fig. 4, preferably, two side 101a, 101b of the length direction of the main board 101
In the joggle of engaging；Two side 101a, 101b of realization body 101 are engaged by way of joggle, simple in construction and real
With.
Continuing with shown in Fig. 3 and Fig. 4, preferably, a side 101a of the length direction of the main board 101 is protruded out
Tenon 104, another side 101b of the length direction of the main board 101 is offered docks the tenon engaged with the tenon 104
Groove 105；Certainly tongue-and-groove 105 can be also opened on the 101b of side, by tenon on the 101a of side；Or it is same on the 101a of side
When there is tongue-and-groove 105 and tenon 104, and the tongue-and-groove 105 on the 101b of side on respective side 101a be correspondingly provided with tenon 104, it is right
The correspondence of the tenon 104 on the 101a of side is answered to open up tongue-and-groove 105；Side 101a is realized by the cooperation of tenon 104 and tongue-and-groove 105
Being connected together between the 101b of side, is not only simple in structure practicality, and main board 101 can be directly by tenon after bending
104 corresponding are inserted into tongue-and-groove 105 are engaged, easy to operate, and sound construction.
With reference to shown in Fig. 2-Fig. 5, preferably, the upper end of the main board 101 protrudes out bent upper fastener 106,
The filter element 100 is connected together by the upper fastener 106 and the cover plate 200；During assembling, first by multiple filterings
Element 100 is erect and the transversely arranged horizontally-arranged unit 500 of formation at equal intervals, then by being layed in that a cover plate 200 is extended transversely through
The upper end of the filter element 100 of horizontally-arranged unit 500, finally bends the upper fastener 106 on transition element 100 so that upper engaging
Part 106 is coated on cover plate 200 after bending, so that can by all filter elements 100 of cover plate 200 and same horizontally-arranged unit 500
That dismantles links together, and convenient and fast connection, structural strength is good and dismounting is also convenient for.
With reference to shown in Fig. 2-Fig. 4, preferably, the lower end of the main board 101 protrudes out bent lower fastener 107,
The filter element 100 is connected together by the lower fastener 107 and the bottom plate 300；During assembling, first by bottom plate 300
It is fixed on framework 400 and keeps horizontal, engages on the correspondence insertion bottom plate 300 for then erectting filter element 100 with
In the corresponding slot (not shown) of part 107, the lower fastener 107 on transition element 100 is finally bent so that lower fastener
It is coated on after 107 bendings on bottom plate 300, so that together with bottom plate 300 is removably attachable to filter element 100, connection side
Just quick, structural strength is good and dismounting is also convenient for.
Continuing with shown in figure, preferably, the upper connector 20 includes flat connecting plate 21 and screw 22, described
Connecting plate 21 is placed on the edge of the upper end of the adjacent filter element 10, and the screw 22 is corresponding through the connecting plate 21
And the edge of the filter element 10 is stretched into engagement connection；Specifically, the connecting plate 21 is placed on the adjacent filtering
The edge of the upper end of the framework 53 of unit 10, the screw 22 correspondence is through the connecting plate 21 and stretches into the framework 53 and is in
Engagement connection, so that the upper connector 20 constituted by connecting plate 21 and screw 22 is by the framework 53 outside adjacent filter element 10
In removably connecting, because filter element 10 is installed in framework 53 and cover plate 51 and bottom plate 52 and is fixed with framework 53
Connection, therefore effectively the upper end of adjacent filter element 10 links together by upper connector 20.
Continuing with shown in Fig. 1, Fig. 6 and Fig. 7, because the filter element 10 of nuclear island safety shell recirculating filter 1 is in square
The distribution of battle array shape, in order that the connection that can be stablized between adjacent filter element 10 is obtained, so that haveing suffered nuclear island safety
The structure of shell recirculating filter 1 is more reliable and more stable, therefore the invention provides connected under two kinds of different junctions
Part, is respectively adopted different labels and is labeled for the ease of description, i.e., the lower connector 30a shown in Fig. 6, shown in Fig. 7 under
Connector 30b；Specially；Lower connector 30a shown in Fig. 6 is used to support and connect two adjacent filter elements 10, that is, locates
It is supported and connects by lower connector 30a in the filter element 10 of matrix four edges edge and non-edge；Shown in Fig. 7
Lower connector 30b is used to support and connect four adjacent filter elements 10, i.e., the filter element 10 in matrix passes through
Lower connector 30b is supported connection；Lower connector 30 shown in Fig. 8 is only used for the filtering list on four corners of proppant matrix
First 10, i.e. four of the edge in matrix edge filter element 10 are supported by lower connector 30；It is noticeable
It is that the label of lower connector 30a, 30b in Fig. 1 is 30, and lower connection 30a, 30b include horizontal upper mounting portion
31st, supporting part 32 and lower fixed part 33, the lower end of adjacent filter element 10 are connected by upper mounting portion 31 in dismountable, on
Installation portion 31 bends downwards and extends to form supporting part 32, and the end of supporting part 32 is bent to form horizontal lower fixed part 33；
Lower connection 30a, 30b the difference is that only lower connection 30b due to connecting four adjacent filter elements 10, therefore lower connection
30b is that two lower connector 30a are in symmetrically to be formed by fixedly connecting.
Continuing with Fig. 1, Fig. 2, Fig. 6 and Fig. 7, because filter element 10 is installed in framework 53 and cover plate 51 and bottom plate 52
It is fixedly connected again with framework 53, therefore lower connection 30a, 30b upper mounting portion 31 distinguish the corresponding frame with filter element 10
Frame 53 is connected, and the lower end of adjacent filter element 10 effectively is connected into one by the connection of upper mounting portion 31 and framework 53
Rise；So that load can more uniformly be delivered to ground, integrated carrying performance is further improved.
Continuing with shown in Fig. 1, Fig. 6 and Fig. 7, preferably, it is that the lower connector 30 also includes ribs 34, it is described to add
Strong rib 34 is connected between the upper mounting portion 31 and the lower fixed part 33, is connected under effectively being strengthened by the ribs 34
The intensity of the support connection filter element 10 of fitting 30.
With reference to shown in Fig. 1 and Fig. 8, preferably, the lower end of four corners of the filter element of rectangular distribution is also connected with
There is independent support member 60, i.e., independent support member 60 is connected to four edges of the matrix being made up of filter element 10；Specifically,
The independent support member 60 includes horizontal upper supporting part 61, four of the upper supporting part 61 and the filter element 10
The lower end connection of corner, the upper supporting part 61 bends downwards and extends to form supportive body 62, the end of the supportive body 62
End is bent to form horizontal lower supporting part 63；More specifically, upper supporting part 61 and the filtering list positioned at four corners of matrix
Member 10 corresponding to framework 53 lower end connection so that independent support member 60 in four corners of matrix to nuclear island safety shell
Recirculating filter 1 is supported；Further ensure that nuclear island safety shell recirculating filter 1 of the present invention stability and can
By property, also enable load to be more uniformly delivered to ground, further improve integrated carrying performance.
With reference to shown in Fig. 1-Fig. 8, because the present invention is using after said structure so that nuclear island safety shell recycling of the invention
Filter 1 has multiple filter elements 10, and the filter element 10 is again including multiple filter elements 100 so that core of the invention
Island containment recirculating filter 1 greatly adds filter area and efficiency of confluxing；Simultaneously because leading between filter element 10
Cross connector and connect into the overall structure that can be dismantled, simple in construction and rigid is good, and be easy to the core of the present invention
Island containment recirculating filter 1 carries out assembly or disassembly with melt pit；Therefore the nuclear island safety shell recirculating filter 1 of the present invention
It is not only simple in structure, rigid is good and assembled, convenient disassembly, is also convenient for layout and good filtration effect；When nuclear power station occurs
During loss of-coolant accident (LOCA), under the accident conditions, flooding underwater nuclear island safety shell recirculating filter 1 of the invention can be efficiently fast
Prompt interception filtering disintegrating slag, it is ensured that the water being collected into reactor building carries out sufficiently effective filtering, it is to avoid sprayed to EAS system
The nozzle drenched on endless tube results in blockage, and avoids resulting in blockage to fuel rod support barrier in the RIS systems recycling stage；Cause
This, nuclear island safety shell recirculating filter of the invention is not only simple in structure, rigid is good, and filter area is big and confluxes
Efficiency high；Meanwhile, multiple filter elements 10 form monolithic construction under the connection function of connector, Stability Analysis of Structures and reliable,
And uniform load can be delivered to ground, greatly improve integrated carrying performance.
In addition, the operation principle of nuclear island safety shell recirculating filter 1 involved in the present invention, is ordinary skill
Known to personnel, no longer it is described in detail herein.
Above disclosed is only the preferred embodiments of the present invention, can not limit the right of the present invention with this certainly
Scope, therefore the equivalent variations made according to scope of the present invention patent, still belong to the scope that the present invention is covered.
Claims (11)
1. a kind of nuclear island safety shell recirculating filter, it is characterised in that：The nuclear island safety shell recirculating filter includes
The filter element of rectangular distribution and the connector of the connection filter element, the filter element includes filter element, described
Filter element includes plate-like main board, offers filter bores in uniform on the main board, and the main board is along width
Direction is bent to form hollow rectangular configuration, and two sides of the length direction of the main board are more in the docking engaged after bending
The individual filter element forms the filter element in the rectangular distribution erect, and the connector includes upper connector and lower company
Fitting, the upper end of the adjacent filter element is connected by the upper connector in dismountable, and the lower connector includes
Horizontal upper mounting portion, the lower end of the adjacent filter element is connected by the upper mounting portion in dismountable, institute
State upper mounting portion to bend downwards and extend to form supporting part, the end of the supporting part is bent to form horizontal lower fixed part.
2. nuclear island safety shell recirculating filter as claimed in claim 1, it is characterised in that：Between multiple described filter elements etc.
Away from setting and the horizontally-arranged unit of transversely arranged formation, it is single that multiple horizontally-arranged equidistant longitudinal arrangements of unit form the filtering
Member.
3. nuclear island safety shell recirculating filter as claimed in claim 2, it is characterised in that：Also include fixation kit, it is described
Fixation kit includes cover plate, bottom plate and framework, and the filter element is installed in the framework, the filtering in the horizontally-arranged unit
The upper end of element is with the cover plate in being removably connected together, and the two ends of the cover plate are fixedly connected with the framework, described
The lower end of the filter element of filter element is in removably to be connected together with the bottom plate.
4. nuclear island safety shell recirculating filter as claimed in claim 1, it is characterised in that：The length direction of the main board
Two sides in engaging joggle.
5. nuclear island safety shell recirculating filter as claimed in claim 4, it is characterised in that：The length direction of the main board
A side protrude out tenon, another side of the length direction of the main board is offered docks the tenon engaged with the tenon
Groove.
6. nuclear island safety shell recirculating filter as claimed in claim 3, it is characterised in that：The upper end of the main board is protruded out
Go out bent upper fastener, the filter element is connected together by the upper fastener and the cover plate.
7. nuclear island safety shell recirculating filter as claimed in claim 3, it is characterised in that：The lower end of the main board is protruded out
Go out bent lower fastener, the filter element is connected together by the lower fastener and the bottom plate.
8. nuclear island safety shell recirculating filter as claimed in claim 1, it is characterised in that：The upper connector includes flat board
The connecting plate and screw of shape, the connecting plate are placed on the edge of the upper end of the adjacent filter element, the screw correspondence
Through the connecting plate and stretch into the edge of the filter element and connected in engagement.
9. nuclear island safety shell recirculating filter as claimed in claim 1, it is characterised in that：The lower connector also includes adding
Strong rib, the ribs is connected between the upper mounting portion and the lower fixed part.
10. nuclear island safety shell recirculating filter as claimed in claim 1, it is characterised in that：The filtering list of rectangular distribution
The lower end of four corners of member is also associated with independent support member.
11. nuclear island safety shell recirculating filter as claimed in claim 10, it is characterised in that：The independent support member includes
Horizontal upper supporting part, the upper supporting part is connected with the lower end of four corners of the filter element, the upper support
Portion bends downwards and extends to form supportive body, and the end of the supportive body is bent to form horizontal lower supporting part.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510572480.3A CN105169786B (en) | 2015-09-10 | 2015-09-10 | Nuclear island safety shell recirculating filter |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510572480.3A CN105169786B (en) | 2015-09-10 | 2015-09-10 | Nuclear island safety shell recirculating filter |
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| CN105169786A CN105169786A (en) | 2015-12-23 |
| CN105169786B true CN105169786B (en) | 2017-08-29 |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN107464594B (en) * | 2016-06-03 | 2019-08-13 | 中广核研究院有限公司 | Containment recycles blocking apparatus |
| WO2018089381A1 (en) * | 2016-11-08 | 2018-05-17 | Pentair Filtration Solutions, Llc. | Particle separation system and method |
| CN108159756B (en) * | 2017-12-27 | 2021-06-08 | 中广核研究院有限公司 | Detention basket and filter disc thereof |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US20070084782A1 (en) * | 2005-10-05 | 2007-04-19 | Enercon Services, Inc. | Filter medium for strainers used in nuclear reactor emergency core cooling systems |
| JP5061090B2 (en) * | 2008-12-10 | 2012-10-31 | オルガノ株式会社 | Filtration device and primary cooling water treatment method for pressurized water nuclear power plant |
| KR101025706B1 (en) * | 2010-08-12 | 2011-03-30 | 비에이치아이 주식회사 | Strainer filtering apparatus including filtered tube |
| CN202526992U (en) * | 2011-11-24 | 2012-11-14 | 中国核电工程有限公司 | Pit filter for nuclear power plant |
| CN103854707B (en) * | 2014-03-31 | 2017-01-25 | 中国能建集团装备有限公司南京技术中心 | Device for nuclear island filter |
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| CN105169786A (en) | 2015-12-23 |
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Address after: 518000 Guangdong province Futian District Shangbu Road West of the city of Shenzhen Shenzhen science and technology building 15 layer (1502-1504, 1506) Applicant after: CHINA NUCLEAR POWER TECHNOLOGY RESEARCH INSTITUTE Applicant after: China General Nuclear Power Corporation Applicant after: China wide nuclear electricity incorporated company Address before: 518000 Guangdong province Futian District Shangbu Road West of the city of Shenzhen Shenzhen science and technology building 15 layer (1502-1504, 1506) Applicant before: Zhongkehua Nuclear Power Technology Institute Co., Ltd. Applicant before: China General Nuclear Power Corporation Applicant before: China wide nuclear electricity incorporated company |
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