CN109603253A - Fuel assembly, tube socket and its filter device - Google Patents
Fuel assembly, tube socket and its filter device Download PDFInfo
- Publication number
- CN109603253A CN109603253A CN201811628144.6A CN201811628144A CN109603253A CN 109603253 A CN109603253 A CN 109603253A CN 201811628144 A CN201811628144 A CN 201811628144A CN 109603253 A CN109603253 A CN 109603253A
- Authority
- CN
- China
- Prior art keywords
- filter
- cell board
- filter device
- main body
- tube socket
- 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.)
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- 239000000446 fuel Substances 0.000 title claims abstract description 28
- 239000012530 fluid Substances 0.000 claims abstract description 75
- 230000000712 assembly Effects 0.000 claims abstract description 28
- 238000000429 assembly Methods 0.000 claims abstract description 28
- 238000001914 filtration Methods 0.000 claims abstract description 13
- 239000002826 coolant Substances 0.000 abstract description 14
- 230000000694 effects Effects 0.000 description 11
- 238000010586 diagram Methods 0.000 description 5
- 239000002184 metal Substances 0.000 description 4
- 229910052751 metal Inorganic materials 0.000 description 4
- 230000002708 enhancing effect Effects 0.000 description 3
- PXHVJJICTQNCMI-UHFFFAOYSA-N Nickel Chemical compound [Ni] PXHVJJICTQNCMI-UHFFFAOYSA-N 0.000 description 2
- 230000015572 biosynthetic process Effects 0.000 description 2
- 238000002485 combustion reaction Methods 0.000 description 2
- 150000002739 metals Chemical class 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 229910000838 Al alloy Inorganic materials 0.000 description 1
- 229910000831 Steel Inorganic materials 0.000 description 1
- 238000006243 chemical reaction Methods 0.000 description 1
- 229910003460 diamond Inorganic materials 0.000 description 1
- 239000010432 diamond Substances 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 238000001746 injection moulding Methods 0.000 description 1
- 230000014759 maintenance of location Effects 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 239000007769 metal material Substances 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 239000000203 mixture Substances 0.000 description 1
- 229910052759 nickel Inorganic materials 0.000 description 1
- 239000000243 solution Substances 0.000 description 1
- 239000010935 stainless steel Substances 0.000 description 1
- 229910001220 stainless steel Inorganic materials 0.000 description 1
- 239000010959 steel Substances 0.000 description 1
Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D29/00—Filters with filtering elements stationary during filtration, e.g. pressure or suction filters, not covered by groups B01D24/00 - B01D27/00; Filtering elements therefor
- B01D29/44—Edge filtering elements, i.e. using contiguous impervious surfaces
- B01D29/46—Edge filtering elements, i.e. using contiguous impervious surfaces of flat, stacked bodies
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D29/00—Filters with filtering elements stationary during filtration, e.g. pressure or suction filters, not covered by groups B01D24/00 - B01D27/00; Filtering elements therefor
- B01D29/50—Filters with filtering elements stationary during filtration, e.g. pressure or suction filters, not covered by groups B01D24/00 - B01D27/00; Filtering elements therefor with multiple filtering elements, characterised by their mutual disposition
- B01D29/52—Filters with filtering elements stationary during filtration, e.g. pressure or suction filters, not covered by groups B01D24/00 - B01D27/00; Filtering elements therefor with multiple filtering elements, characterised by their mutual disposition in parallel connection
-
- G—PHYSICS
- G21—NUCLEAR PHYSICS; NUCLEAR ENGINEERING
- G21C—NUCLEAR REACTORS
- G21C19/00—Arrangements for treating, for handling, or for facilitating the handling of, fuel or other materials which are used within the reactor, e.g. within its pressure vessel
- G21C19/28—Arrangements for introducing fluent material into the reactor core; Arrangements for removing fluent material from the reactor core
- G21C19/30—Arrangements for introducing fluent material into the reactor core; Arrangements for removing fluent material from the reactor core with continuous purification of circulating fluent material, e.g. by extraction of fission products deterioration or corrosion products, impurities, e.g. by cold traps
- G21C19/307—Arrangements for introducing fluent material into the reactor core; Arrangements for removing fluent material from the reactor core with continuous purification of circulating fluent material, e.g. by extraction of fission products deterioration or corrosion products, impurities, e.g. by cold traps specially adapted for liquids
-
- G—PHYSICS
- G21—NUCLEAR PHYSICS; NUCLEAR ENGINEERING
- G21C—NUCLEAR REACTORS
- G21C3/00—Reactor fuel elements and their assemblies; Selection of substances for use as reactor fuel elements
- G21C3/30—Assemblies of a number of fuel elements in the form of a rigid unit
- G21C3/32—Bundles of parallel pin-, rod-, or tube-shaped fuel elements
- G21C3/33—Supporting or hanging of elements in the bundle; Means forming part of the bundle for inserting it into, or removing it from, the core; Means for coupling adjacent bundles
-
- 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
Landscapes
- Physics & Mathematics (AREA)
- Engineering & Computer Science (AREA)
- Chemical & Material Sciences (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Plasma & Fusion (AREA)
- General Engineering & Computer Science (AREA)
- High Energy & Nuclear Physics (AREA)
- Filtration Of Liquid (AREA)
Abstract
The present invention relates to fuel assembly, tube socket and its filter device, which includes several cell boards separately and successively arranged side by side and penetrates through the fluid channel flowed through for fluid being arranged between two cell boards being disposed adjacent；At least two groups filter assemblies that each cell board includes cell board main body and is provided separately in the cell board main body and in the vertical direction；Filter assemblies described in every group include the filter house for being arranged and being arranged towards the fluid channel protrusion in the cell board body side.Filter device of the invention can make fluid channel deviation, to sufficiently filter the foreign matter in fluid and reduce fluid-pressure drop by the way that the filter house of at least two groups filter assemblies is being arranged in cell board main body and in vertical direction.The tube socket and the fuel assembly can reduce the pressure drop of coolant, improve anti-foreign matter performance, carry out effectively adequately filtering to coolant by the way that filter device of the invention is arranged.
Description
Technical field
The present invention relates to nuclear reactor technology fields, more specifically to fuel assembly, tube socket and its filter device.
Background technique
Fuel assembly generally by upper tube socket, bottom nozzle, structure screen work (screen work containing end, mixing grillwork), across mixing lattice
The components such as frame, fuel rod, guide pipe are constituted.Fuel assembly is located between the reactor core upper and lower plates of reactor, and coolant passes through heap
The reserved plate hole of core plate, flows through fuel rod, takes away reaction heat.And bottom nozzle is the important composition component of fuel assembly, it can be with
It distributes coolant and flows into fuel assembly, and the load under operation, lifting and accident can be born, prevent the foreign matter in coolant from entering
Reactor core.It can also be by making fuel assembly located lateral in heap with the detent fit in lower core plate.In addition, in order to reduce combustion
Expect that the whole pressure drop of component, bottom nozzle itself pressure drop are small as far as possible.
It is set in the bottom nozzle of existing patent of invention " a kind of bottom nozzle with filtering foreign matter function of CN201310239364 "
In meter, the cell board of filter device is equipped with one layer of filter house；This layer of filter house is by the consistent projection piece of several protrusion directions
It forms, is connected between adjacent protrusion part for straightway.Although will form the runner of C-shaped in filter device, have it is good prevent it is different
Object effect and the ability for reducing pressure drop, but the corresponding runner of straightway between the projection piece of parallel arrangement and projection piece, are easy
Pass through for elongated foreign matter, therefore the anti-foreign matter performance of existing bottom nozzle has space to be advanced optimized.
Summary of the invention
The technical problem to be solved in the present invention is that providing a kind of filter device for effectively filtering foreign matter, reducing pressure drop；Into
One step provides a kind of improved tube socket and fuel assembly.
The technical solution adopted by the present invention to solve the technical problems is: construct a kind of filter device, including separate and according to
Secondary several cell boards arranged side by side and between two cell boards being disposed adjacent perforation setting flowed through for fluid
Fluid channel；
Each cell board includes cell board main body and separates in the cell board main body and in the vertical direction
At least two groups filter assemblies of setting；Filter assemblies described in every group are included in cell board body side setting and towards the streams
The filter house of body channel protrusion setting.
Preferably, the fluid channel includes straight section fluid inlet, straight section fluid outlet and is arranged in the straight section stream
At least one section of bent passage between body entrance and straight section fluid outlet；The bent passage is described in be disposed adjacent two
Space between the filter house of cell board.
Preferably, the longitudinal section shape of the filter house includes waveform or C-shaped.
Preferably, the filter house includes the cell board body side being arranged in towards fluid channel protrusion at least
One projection piece.
Preferably, if an at least projection piece includes separating and being arranged side by side along the cell board main body length direction
Dry projection piece；
The projection piece of two groups of adjacent and arranged side by side filter assemblies is arranged in a staggered manner respectively on vertical direction.
Preferably, at least one described projection piece includes a projection piece；The shape of the projection piece includes strip, and institute
The length direction that projection piece is stated along the cell board main body is arranged.
Preferably, the surface of the projection piece includes cambered surface.
It is preferably located in the same cell board main body and the filtering of filter assemblies described in two groups be disposed adjacent
Portion is arranged towards same fluid channel protrusion；
Alternatively, being located in the same cell board main body and the filter house of filter assemblies described in be disposed adjacent two groups
Protrusion direction is reversed.
The present invention also constructs a kind of tube socket, it is characterised in that including hollow shell and sheet disposed in the housing
The invention filter device；Several cell boards of the filter device are separated and are disposed side by side in the shell.
Preferably, the tube socket further includes several first battens and several second battens；Several first battens and should
Several second batten both ends arranged in a crossed manner in the shell, and connect with several cell boards.
Preferably, the two sides of the cell board, which are respectively equipped with, is caught in the first fixed card slot for first batten；It is described
Second batten, which is equipped with, is caught in the second fixed card slot for first batten.
Preferably, the tube socket further includes being arranged in the filter device, is connect with the cell board main body for combustion
Expect the guide pipe support base of the guide pipe connection of component.
The present invention also constructs a kind of fuel assembly, including guide pipe, the fuel rod being arranged in the guide pipe, is set in
The guide pipe periphery positions the several of the guide pipe and separates and be arranged side by side screen work, sets the guide pipe both ends to connect
State the first tube socket and the second header of guide pipe；
First tube socket and/or the second header include filter device of the present invention.
Implement fuel assembly of the invention, tube socket and its filter device, has the advantages that the filter device passes through
It is provided separately at least two groups filter assemblies in cell board main body and in the vertical direction, which passes through in unit main body
The filter house towards fluid channel protrusion is arranged in side so that fluid channel straight section fluid inlet and straight section fluid outlet it
Between there is at least one end bent passage, and then play the role of sufficiently filtering foreign matter, reduce pressure drop.In addition, the protrusion is arranged
Filter house foreign matter can be stopped to pass through, can play the role of enhance filter effect.
The tube socket can be to the coolant for flowing in or out fuel assembly by the way that filter device of the invention is arranged
It is allocated, reduces the pressure drop of coolant, improve anti-foreign matter performance, effectively adequately filtering is carried out to coolant.
The fuel assembly, by the way that filter device of the invention is arranged in bottom nozzle and/or upper tube socket, can to flow into or
The coolant that person flows out fuel assembly is allocated, and is reduced the pressure drop of coolant, is improved anti-foreign matter performance, have to coolant
Effect adequately filtering.
Detailed description of the invention
Present invention will be further explained below with reference to the attached drawings and examples, in attached drawing:
Fig. 1 is the structural schematic diagram of the first embodiment cell board of filter device of the present invention；
Fig. 2 is the status diagram that two cell boards are arranged side by side in the first embodiment of filter device of the present invention；
Fig. 3 is the structural schematic diagram of tube socket first embodiment of the present invention；
Fig. 4 is the cross-sectional view of tube socket first embodiment of the present invention；
Fig. 5 is the cross-sectional view of another angle of tube socket first embodiment of the present invention；
Fig. 6 is the partial enlargement diagram of Fig. 5 tube socket first embodiment of the present invention；
Fig. 7 is the partial schematic diagram of filter device second embodiment of the present invention.
Specific embodiment
For a clearer understanding of the technical characteristics, objects and effects of the present invention, now control attached drawing is described in detail
A specific embodiment of the invention.
Fig. 1 to Fig. 6 shows the first embodiment of filter device of the present invention.The filter device may be provided in tube socket, should
Tube socket can be upper tube seat or bottom nozzle, in this embodiment, it is preferred that, the tube socket be bottom nozzle.The tube socket includes shell
11 and filter device of the invention, which is hollow structure, which is arranged in the shell 11.Of the invention
Filter device can make fluid channel deviation, the foreign matter in fluid sufficiently be filtered, and reduce fluid-pressure drop.In the present embodiment
Fluid includes coolant.It will of course be understood that ground, in some other embodiment, which is not limited to coolant.
As shown in Figures 1 to 4, which includes several cell boards 12；Several cell boards 12 may include majority
A cell board 12, these cell boards 12 are separated and are successively arranged side by side, and perforation is formed between two be disposed adjacent cell board 12
The fluid channel 13 of setting, the fluid channel 13 pass through for fluid, and the fluid channel 13 can be used as filtering fluid foreign matter
Filter space.
Further, each cell board 12 includes cell board main body 121 and at least two groups filter assemblies；Cell board master
Body 121 can be used for installing the filter assemblies；At least two groups filter assemblies are in the cell board main body 121 and along cell board master
The vertical direction of body is provided separately, and can be used for filtering the foreign matter in the fluid for flowing through the fluid channel 13.In the present embodiment,
At least two groups filter assemblies include two groups of filter assemblies, this two groups of filter assemblies are arranged in parallel, it will of course be understood that ground,
In some other embodiment, the quantity of the filter assemblies is unlimited, can be most groups, the quantity of the filter assemblies is more, mistake
It is better to filter effect.
Specifically, which is rectangle tabular, it will of course be understood that ground, in some other embodiment
In, the shape of the cell board main body 121 is not limited to rectangle tabular.The cell board main body 121 can be made of sheet metal,
The material of the sheet metal can select stainless steel, austenitic evanohm, Inco nickel or other suitable metals.At this
In embodiment, two cell board main bodys 121 being disposed adjacent are arranged in parallel, and two be disposed adjacent cell board main body 121 it
Between gap form the fluid channel 13；The flow that the size in the gap can shunt according to actual needs is adjusted.It is multiple
Cell board main body 121 is arranged side by side, and forms diamond shape, rectangular, round, oval or other shapes filter device, is formed simultaneously
The a plurality of channel flowed into for fluid, and then reach shunting, prevent unnecessary vortex, reduce the effect of pressure drop.In this reality
It applies in example, the shape and size of each cell board main body 121 are suitable, so as to form rectangular filter device.Of course, it is possible to
Understand ground, in some other embodiment, the shape and size of each cell board main body 121 are unlimited.
In the present embodiment, which can be integrally formed with the cell board main body 121 and be arranged, of course, it is possible to manage
Xie Di, in some other embodiment, which can be detachably connected with the cell board main body 121.Cell board master
The detent being caught in for the filter assemblies can be equipped on body 121, which can be caught in the detent, to realize and the unit
Plate main body 121 is detachably connected.Every group of filter assemblies include filter house；The filter house is arranged in 121 side of cell board main body,
And towards 13 protrusion setting of the fluid channel, longitudinal section shape can be waveform or C-shaped, in the present embodiment, preferably
Ground is C-shaped, and the height of filter house protrusion is less than the gap between two cell board main bodys 121 being disposed adjacent, in order to
It stays and sets space and flowed through for fluid.In the present embodiment, which can stop the medium-and-large-sized foreign matter of fluid, and may make that fluid is logical
13 deviation of road setting, to play the role of enhancing filter effect.
In the present embodiment, when most cell board main bodys 121 are arranged side by side, it is located in same cell board main body 121
And the filter house on two groups of filter assemblies being disposed adjacent is arranged towards same 13 protrusion of fluid channel, so that be disposed adjacent
Filter house 122 in two cell board main bodys 121 is arranged in a one-to-one correspondence, so that 13 Formation cross-section of fluid channel is wavy logical
Road.It will of course be understood that ground, in some other embodiment, two groups of mistakes being disposed adjacent in same cell board main body 121
The filter house protrusion direction of filter component may be reversed setting.
Specifically, which includes an at least projection piece 122, which is arranged in cell board master
121 side of body is integrally formed with the cell board main body 121 and is arranged towards the 13 protrusion setting of fluid channel, can be in the unit
The surface injection molding of plate main body 121 can be stamped and formed out, surface can in the cell board main body 121 in the present embodiment
Think cambered surface, in order to reduce the friction or collision between foreign matter, foreign matter is avoided to be attached on the projection piece 122.The unit
The corresponding formation depth in the side groove compatible with height of projection of the opposite projection piece 122 of plate main body 121.It is disposed adjacent
Projection piece 122 in two cell board main bodys 121 is arranged in a one-to-one correspondence, the cell board of each projection piece 122 setting adjacent thereto
The groove for the opposite side of projection piece 122 being correspondingly arranged in main body 121 is oppositely arranged, to ensure that the width of the fluid channel 13
The consistency of degree, and then avoid reducing the flow of the fluid channel 13.
In the present embodiment, which includes several projection pieces 122；Several projection pieces 122 are along the list
First 121 length direction of plate main body is separately and arranged side by side, adjacent and arranged side by side on 121 vertical direction of cell board main body
The projection piece 122 of two groups of filter assemblies is arranged in a staggered manner respectively, so that the fluid channel 13 forms at least one section of bent passage
133, so that fluid is flowed into from the fluid channel 13, it is necessary to by the projection piece 122 of at least one set of filter assemblies, and then keep away
Exempt from elongated foreign matter to pass through from the gap between two projection pieces 122 being disposed adjacent along its length, to enhance filtering
Effect.
It will of course be understood that ground, in some other embodiment, which can only include one
Projection piece 122；The shape of the projection piece 122 can be strip, and the projection piece 122 is along the length of the cell board main body 121
Direction setting, so that, 13 shape of fluid channel at least two sections of bent passages 133, and then play enhancing filter effect
Effect.
As shown in Figures 5 and 6, in the present embodiment, which includes straight section fluid inlet 131, straight section fluid
Outlet 132 and at least one section of bent passage 133；The straight section fluid inlet 131 and the straight section fluid outlet 132 are separately positioned on
The both ends of the fluid channel 13, at least one section of setting of bent passage 133 goes out in the straight section fluid inlet 131 and the straight section fluid for this
Between mouth 132.
Specifically, the straight section fluid inlet 131 setting can be rectangular-shape for fluid inflow in Ith area, from
And it ensure that the fluid flow in incoming fluid channel 13.The straight section fluid outlet 132 setting is in IIIth area, for fluid outflow；
It can be rectangular-shape, and straight channel is used to design, can be to avoid the turbulent flow of downstream fluid.131 He of straight section fluid inlet
The straight section fluid outlet 132 can control the flow direction of the fluid, avoid generating vortex, to reduce the pressure loss.In this implementation
In example, the straight section fluid inlet 131 is suitable with the size of the straight section fluid outlet 132, so that flowing into the fluid channel list
Flow in the time of position is suitable with the flow flowed out in the fluid channel unit time.
At least one section of bent passage 133 is arranged in IIth area for this, and in the present embodiment, at least one section of bent passage 133 can for this
To include one section or two sections of bent passages, the quantity of the bent passage with to be located at same straight line on the same vertical direction convex
The quantity for playing part is adapted.The bent passage 133 is formed by making, the foreign matter in fluid, clamping and retention can be filtered
Foreign matter in fuel assembly bottom nozzle, so that the foreign matter total amount of primary Ioops coolant is greatly lowered.
Fig. 7 shows the second embodiment of filter device of the present invention, and the difference with the first embodiment is, works as majority
When a cell board main body 121 is arranged side by side, the filtering for two groups of filter assemblies being disposed adjacent in same cell board main body 121
Portion's protrusion direction may be reversed setting.When the filter device is mounted in the shell 11 of tube socket, need the filter device
Outermost cell board is arranged close to the inner sidewall of the shell 11, wide to avoid the bent passage near straight section fluid inlet 131
It spends big.
Fig. 1 to Fig. 6 also shows a preferred embodiment of tube socket of the present invention.The tube socket is bottom nozzle, can be used for installing
The components such as guide pipe, fuel rod comprising shell 11 and filter device；The shell 11 is hollow structure, can be used for installing
The filter device, the filter device are arranged in the shell 11, can be used for preventing foreign matter from flowing into fuel assembly from the tube socket.
Further, as shown in Fig. 3 to 5, which can be made of metal material, which can be for not
Become rusty steel, aluminium alloy, austenitic evanohm or other suitable metals.The inside of the shell 11 is formed pacifies for the filter device
The cavity of dress, the cavity can be rectangular-shape, cube-shaped or cylindric.In this embodiment, it is preferred that the cavity is
It is cube-shaped.The width of the cavity is adapted with the length of the cell board 12 of the filter device.In the present embodiment, which fills
Several cell boards 12 set are separated and are disposed side by side in the shell 11.Specifically, which separates and sets side by side
Set to form filter structure compatible with the cavity shape and size, the both ends of each cell board 12 respectively with the shell 11
Inner sidewall connection.The bottom of the shell 11 is additionally provided with several supporting legs, which is separately positioned on the bottom of the shell 11
Portion, to support the tube socket.It will of course be understood that ground, in some other embodiment, which can be saved.
In the present embodiment, which further includes several first battens 14 and several second battens 15；This several first
Plate 14 and several both ends arranged in a crossed manner in the shell 11 of second batten 15, and connect with several cell boards 12.
Specifically, which includes majority batten separately arranged side by side, several second battens 15
Including the majority batten for separating and being arranged side by side；Several second battens 15 are separately disposed side by side on several first battens 14
On, which is equipped with the second card slot for being mutually clamped with first batten 14, the quantity of second card slot with should
The quantity of first batten 14 is adapted.The second batten of each 15 be vertically arranged with the first all battens 14 and with it is all
First batten clamping, to form reticular structure.The two sides of the cell board 12, which are respectively equipped with, is caught in fixation for first batten 14
The first card slot, the quantity of the first card slot is adapted with the quantity of first batten 14 on each cell board 12.This several
One batten 14 is caught in first card slot, is used to fix the filter device, can also be straight with this by the direct current section entrance 131
The outlet of stream section 132 is divided into multiple entrances and multiple outlets, so as to prevent large-scale foreign matter from the direct current section entrance 131 into
Enter, plays the role of enhancing filter effect.
In the present embodiment, which further includes guide pipe support base 16；The guide pipe support base 16 is arranged in the filtering
In device, and connect with the cell board main body 121, in the present embodiment, be arranged through the shell 11, both ends also with this
One batten 14 and the connection of the second batten 15, the guide pipe support base 16 can be used for the guide pipe connection for fuel assembly.This is led
Can be to be cylindric to pipe support base 16, it can be by processing corresponding circular hole, which can weld with the guide pipe
The fuel assembly of the present embodiment, including guide pipe, fuel rod, screen work, the first tube socket and the second header；The guide pipe
Quantity can be to be multiple, which can be set in the guide pipe, and be arranged in a one-to-one correspondence with the guide pipe.The screen work
Quantity it is unlimited, may include along the axial arranged side by side several screen works of guide pipe.The screen work can be set in guide pipe periphery,
It can be used for positioning and guiding pipe.First tube socket and the second header are arranged at the conduit both ends, can be used for connecting this and lead
Xiang Guan.First tube socket can be bottom nozzle, which can be upper tube seat, in the present embodiment, in first tube socket
Equipped with filter device of the invention.It will of course be understood that ground, in some other embodiment, which also be can be set
Filter device of the invention.
It should be understood that above embodiments only express the preferred embodiment of the present invention, description is more specific and detailed
Carefully, but it cannot be understood as limitations on the scope of the patent of the present invention；It should be pointed out that for the common skill of this field
For art personnel, without departing from the inventive concept of the premise, above-mentioned technical characterstic can be freely combined, can also be done
Several modifications and improvements out, these are all within the scope of protection of the present invention；Therefore, all to be done with scope of the invention as claimed
Equivalents and modification, should belong to the covering scope of the claims in the present invention.
Claims (13)
1. a kind of filter device, which is characterized in that including several cell boards (12) separately and being successively arranged side by side and in phase
The fluid channel (13) of perforation setting flowed through for fluid between two cell boards (12) of neighbour's setting；
Each cell board (12) includes cell board main body (121) and on the cell board main body (121) and vertical
At least two groups filter assemblies being provided separately on direction；Filter assemblies described in every group are included in the cell board main body (121) one
Side setting and the filter house being arranged towards the fluid channel (13) protrusion.
2. filter device according to claim 1, which is characterized in that the fluid channel (13) includes straight section fluid inlet
(131), straight section fluid outlet (132) and setting the straight section fluid inlet (131) and straight section fluid outlet (132) it
Between at least one section of bent passage (133)；The bent passage (133) for two cell boards (12) being disposed adjacent institute
State the space between filter house.
3. filter device according to claim 1, which is characterized in that the longitudinal section shape of the filter house includes wave
Shape or C-shaped.
4. filter device according to claim 1, which is characterized in that the filter house includes being arranged in the cell board master
An at least projection piece (122) of body (121) side towards the fluid channel (13) protrusion.
5. filter device according to claim 4, which is characterized in that an at least projection piece (122) includes along described
Cell board main body (121) length direction separates and several projection pieces (122) arranged side by side；
The projection piece (122) of two groups of adjacent and arranged side by side filter assemblies is arranged in a staggered manner respectively on vertical direction.
6. filter device according to claim 4, which is characterized in that at least one described projection piece (122) includes one
Projection piece (122)；The shape of the projection piece (122) includes strip, and the projection piece (122) is along the cell board main body
(121) length direction setting.
7. filter device according to claim 4, which is characterized in that the surface of the projection piece (122) includes cambered surface.
8. filter device according to claim 1, which is characterized in that be located at the same cell board main body (121) on and
The filter house of filter assemblies described in two groups be disposed adjacent is arranged towards same fluid channel (13) protrusion；
Alternatively, being located on the same cell board main body (121) and the filtering of filter assemblies described in be disposed adjacent two groups
Portion's protrusion direction is reversed.
9. a kind of tube socket, it is characterised in that including hollow shell (11) and the claim being arranged in the shell (11)
1 to 8 described in any item filter devices；Several cell boards (12) of the filter device separate and are disposed side by side on the shell
(11) in.
10. tube socket according to claim 9, which is characterized in that the tube socket further include several first battens (14) and if
Dry second batten (15)；Several first battens (14) and several second battens (15) are arranged in a crossed manner in the shell (11)
Both ends, and connect with several cell boards (12).
11. tube socket according to claim 10, which is characterized in that the two sides of the cell board (12) are respectively equipped with described in confession
First batten (14) is caught in the first fixed card slot；Second batten (15), which is equipped with, is caught in fixation for first batten (14)
The second card slot.
12. tube socket according to claim 9, which is characterized in that the tube socket further includes being arranged in the filter device,
The guide pipe support base (16) of the guide pipe connection for fuel assembly is connect with the cell board main body (121).
13. a kind of fuel assembly, which is characterized in that including guide pipe, the fuel rod being arranged in the guide pipe, be set in institute
Guide pipe periphery is stated to position the several separated of the guide pipe and screen work is arranged side by side, is located at the guide pipe both ends to connect
State the first tube socket and the second header of guide pipe；
First tube socket and/or the second header include the described in any item filter devices of claim 1 to 8.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811628144.6A CN109603253A (en) | 2018-12-28 | 2018-12-28 | Fuel assembly, tube socket and its filter device |
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| Application Number | Priority Date | Filing Date | Title |
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| CN201811628144.6A CN109603253A (en) | 2018-12-28 | 2018-12-28 | Fuel assembly, tube socket and its filter device |
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| CN109603253A true CN109603253A (en) | 2019-04-12 |
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| CN201811628144.6A Pending CN109603253A (en) | 2018-12-28 | 2018-12-28 | Fuel assembly, tube socket and its filter device |
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113362976A (en) * | 2021-06-04 | 2021-09-07 | 中国核动力研究设计院 | Efficient filtering lower pipe seat, fuel assembly and nuclear reactor |
| CN115295177A (en) * | 2022-07-07 | 2022-11-04 | 中国核动力研究设计院 | Nuclear fuel assembly lower pipe seat based on filter rod structure, filter assembly and application |
| CN115588518A (en) * | 2022-10-10 | 2023-01-10 | 中国核动力研究设计院 | Nuclear fuel assembly lower pipe seat based on streamline filter rod structure |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP0655746A1 (en) * | 1993-11-29 | 1995-05-31 | General Electric Company | Strainers for boiling water reactors |
| JP2001116872A (en) * | 1999-10-19 | 2001-04-27 | Hitachi Ltd | Debris filter for fuel assembly |
| CN103021477A (en) * | 2012-11-26 | 2013-04-03 | 中国核动力研究设计院 | Lower pipe base of reactor fuel assembly |
| CN103337262A (en) * | 2013-06-18 | 2013-10-02 | 中国核动力研究设计院 | A kind of bottom nozzle with filtration foreign matter function |
| CN103548088A (en) * | 2011-05-20 | 2014-01-29 | 阿海珐核能公司 | Debris filter for nuclear reactor installation and nuclear fuel assembly comprising such a debris filter |
-
2018
- 2018-12-28 CN CN201811628144.6A patent/CN109603253A/en active Pending
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP0655746A1 (en) * | 1993-11-29 | 1995-05-31 | General Electric Company | Strainers for boiling water reactors |
| JP2001116872A (en) * | 1999-10-19 | 2001-04-27 | Hitachi Ltd | Debris filter for fuel assembly |
| CN103548088A (en) * | 2011-05-20 | 2014-01-29 | 阿海珐核能公司 | Debris filter for nuclear reactor installation and nuclear fuel assembly comprising such a debris filter |
| CN103021477A (en) * | 2012-11-26 | 2013-04-03 | 中国核动力研究设计院 | Lower pipe base of reactor fuel assembly |
| CN103337262A (en) * | 2013-06-18 | 2013-10-02 | 中国核动力研究设计院 | A kind of bottom nozzle with filtration foreign matter function |
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113362976A (en) * | 2021-06-04 | 2021-09-07 | 中国核动力研究设计院 | Efficient filtering lower pipe seat, fuel assembly and nuclear reactor |
| CN115295177A (en) * | 2022-07-07 | 2022-11-04 | 中国核动力研究设计院 | Nuclear fuel assembly lower pipe seat based on filter rod structure, filter assembly and application |
| CN115295177B (en) * | 2022-07-07 | 2024-03-19 | 中国核动力研究设计院 | Nuclear fuel assembly lower tube seat based on filter rod structure, filter assembly and application |
| CN115588518A (en) * | 2022-10-10 | 2023-01-10 | 中国核动力研究设计院 | Nuclear fuel assembly lower pipe seat based on streamline filter rod structure |
| CN115588518B (en) * | 2022-10-10 | 2024-03-19 | 中国核动力研究设计院 | Nuclear fuel assembly lower tube seat based on streamline filter rod structure |
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Application publication date: 20190412 |
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