CN109616226A - The compound function metallic insulation of shielding material is filled out in a kind of two sides - Google Patents
The compound function metallic insulation of shielding material is filled out in a kind of two sides Download PDFInfo
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- CN109616226A CN109616226A CN201811473740.1A CN201811473740A CN109616226A CN 109616226 A CN109616226 A CN 109616226A CN 201811473740 A CN201811473740 A CN 201811473740A CN 109616226 A CN109616226 A CN 109616226A
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- layer
- outer box
- neutron shield
- outside
- shield layer
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- 239000000463 material Substances 0.000 title claims abstract description 34
- 238000009413 insulation Methods 0.000 title claims abstract description 29
- 150000001875 compounds Chemical group 0.000 title claims abstract description 20
- 238000004321 preservation Methods 0.000 claims abstract description 25
- 229910052751 metal Inorganic materials 0.000 claims abstract description 24
- 239000002184 metal Substances 0.000 claims abstract description 24
- 150000002739 metals Chemical class 0.000 claims abstract description 3
- 229910052580 B4C Inorganic materials 0.000 claims description 24
- INAHAJYZKVIDIZ-UHFFFAOYSA-N boron carbide Chemical compound B12B3B4C32B41 INAHAJYZKVIDIZ-UHFFFAOYSA-N 0.000 claims description 24
- 239000011888 foil Substances 0.000 claims description 23
- 229910000963 austenitic stainless steel Inorganic materials 0.000 claims description 16
- 239000002131 composite material Substances 0.000 claims description 14
- 229910052782 aluminium Inorganic materials 0.000 claims description 10
- XAGFODPZIPBFFR-UHFFFAOYSA-N aluminium Chemical compound [Al] XAGFODPZIPBFFR-UHFFFAOYSA-N 0.000 claims description 10
- 238000003466 welding Methods 0.000 claims description 6
- 229910001080 W alloy Inorganic materials 0.000 claims description 5
- 238000012545 processing Methods 0.000 claims description 4
- 238000000137 annealing Methods 0.000 claims description 3
- 239000011120 plywood Substances 0.000 claims 1
- 230000005855 radiation Effects 0.000 abstract description 15
- 238000011534 incubation Methods 0.000 abstract description 5
- 239000000203 mixture Substances 0.000 abstract description 3
- 235000019219 chocolate Nutrition 0.000 abstract description 2
- 206010020843 Hyperthermia Diseases 0.000 abstract 1
- 230000036031 hyperthermia Effects 0.000 abstract 1
- 239000010410 layer Substances 0.000 description 75
- 230000004913 activation Effects 0.000 description 4
- 230000032683 aging Effects 0.000 description 4
- 230000000694 effects Effects 0.000 description 4
- 239000000243 solution Substances 0.000 description 4
- 229910001220 stainless steel Inorganic materials 0.000 description 4
- 239000010935 stainless steel Substances 0.000 description 4
- 239000010931 gold Substances 0.000 description 3
- 229910052737 gold Inorganic materials 0.000 description 3
- ZOXJGFHDIHLPTG-UHFFFAOYSA-N Boron Chemical compound [B] ZOXJGFHDIHLPTG-UHFFFAOYSA-N 0.000 description 2
- 229910052796 boron Inorganic materials 0.000 description 2
- 238000000748 compression moulding Methods 0.000 description 2
- 230000001351 cycling effect Effects 0.000 description 2
- 230000007423 decrease Effects 0.000 description 2
- 230000002708 enhancing effect Effects 0.000 description 2
- 230000005251 gamma ray Effects 0.000 description 2
- PCHJSUWPFVWCPO-UHFFFAOYSA-N gold Chemical compound [Au] PCHJSUWPFVWCPO-UHFFFAOYSA-N 0.000 description 2
- 238000005457 optimization Methods 0.000 description 2
- 239000011368 organic material Substances 0.000 description 2
- 229910000831 Steel Inorganic materials 0.000 description 1
- 239000004411 aluminium Substances 0.000 description 1
- 238000005452 bending Methods 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 239000002826 coolant Substances 0.000 description 1
- 230000007812 deficiency Effects 0.000 description 1
- 238000011161 development Methods 0.000 description 1
- 230000018109 developmental process Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 235000013399 edible fruits Nutrition 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 239000003822 epoxy resin Substances 0.000 description 1
- 150000002343 gold Chemical class 0.000 description 1
- 238000007689 inspection Methods 0.000 description 1
- 238000012423 maintenance Methods 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 230000000737 periodic effect Effects 0.000 description 1
- 230000000704 physical effect Effects 0.000 description 1
- 229920000647 polyepoxide Polymers 0.000 description 1
- 230000002035 prolonged effect Effects 0.000 description 1
- 229920005989 resin Polymers 0.000 description 1
- 239000011347 resin Substances 0.000 description 1
- 229920002050 silicone resin Polymers 0.000 description 1
- 239000002356 single layer Substances 0.000 description 1
- 239000006104 solid solution Substances 0.000 description 1
- 239000010959 steel Substances 0.000 description 1
- 239000000126 substance Substances 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
- 238000012546 transfer Methods 0.000 description 1
Classifications
-
- G—PHYSICS
- G21—NUCLEAR PHYSICS; NUCLEAR ENGINEERING
- G21C—NUCLEAR REACTORS
- G21C11/00—Shielding structurally associated with the reactor
- G21C11/08—Thermal shields; Thermal linings, i.e. for dissipating heat from gamma radiation which would otherwise heat an outer biological shield ; Thermal insulation
- G21C11/083—Thermal shields; Thermal linings, i.e. for dissipating heat from gamma radiation which would otherwise heat an outer biological shield ; Thermal insulation consisting of one or more metallic layers
- G21C11/085—Thermal shields; Thermal linings, i.e. for dissipating heat from gamma radiation which would otherwise heat an outer biological shield ; Thermal insulation consisting of one or more metallic layers consisting exclusively of several metallic layers
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16L—PIPES; JOINTS OR FITTINGS FOR PIPES; SUPPORTS FOR PIPES, CABLES OR PROTECTIVE TUBING; MEANS FOR THERMAL INSULATION IN GENERAL
- F16L59/00—Thermal insulation in general
- F16L59/02—Shape or form of insulating materials, with or without coverings integral with the insulating materials
- F16L59/029—Shape or form of insulating materials, with or without coverings integral with the insulating materials layered
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16L—PIPES; JOINTS OR FITTINGS FOR PIPES; SUPPORTS FOR PIPES, CABLES OR PROTECTIVE TUBING; MEANS FOR THERMAL INSULATION IN GENERAL
- F16L59/00—Thermal insulation in general
- F16L59/08—Means for preventing radiation, e.g. with metal foil
-
- G—PHYSICS
- G21—NUCLEAR PHYSICS; NUCLEAR ENGINEERING
- G21C—NUCLEAR REACTORS
- G21C11/00—Shielding structurally associated with the reactor
- G21C11/02—Biological shielding ; Neutron or gamma shielding
-
- 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
- Engineering & Computer Science (AREA)
- General Engineering & Computer Science (AREA)
- Physics & Mathematics (AREA)
- Biomedical Technology (AREA)
- General Health & Medical Sciences (AREA)
- Molecular Biology (AREA)
- Health & Medical Sciences (AREA)
- Plasma & Fusion (AREA)
- Life Sciences & Earth Sciences (AREA)
- High Energy & Nuclear Physics (AREA)
- Mechanical Engineering (AREA)
- Thermal Insulation (AREA)
- Laminated Bodies (AREA)
Abstract
The invention discloses the compound function metallic insulations that shielding material is filled out in a kind of two sides, including heat preservation outer box and the interior outside neutron shield layer being seated in heat preservation outer box, reflective metals paillon, interior outside gamma shielding layer, neutron shield layer and gamma shielding layer are inorganic mask material with metallic character；Filling sequence on insulation layer thickness section is successively are as follows: heat preservation outer box inner hull, inside neutron shield layer, inside gamma shielding layer, metallic reflection paillon, outside gamma shielding layer, outside neutron shield layer, the Shell Plate for keeping the temperature outer box；Metallic reflection paillon is in positive and negative double ball-and-socket corrugated shapes of the arrangement of regular intervals in length and breadth or the positive and negative triangle corrugated shape or chocolate corrugated shape of mechanical periodicity, and adjacent two layers metallic reflection paillon is with positive and negative ball-and-socket vertex opposite vertexes backwards to formula interfolded.The present invention provides a kind of not only composition metal insulating layers with incubation and thermal insulation function but also with screen radiation shield function, can be on active service under hyperthermia radiation environment without replacing the long-lived phase.
Description
Technical field
The present invention relates to nuclear industry technical fields, and in particular to the compound function metal heat preservation of shielding material is filled out in a kind of two sides
Layer.
Background technique
When nuclear reactor operates normally, inside core level-one main equipment and pipeline to flow high temperature, high pressure, high radioactivity cold
But medium needs to be thermally shielded in equipment and pipeline external surface setting insulating layer, reduces thermal loss, while being also required in core one
Shielding material is arranged to reduce the dose of radiation of equipment periphery in grade equipment and pipeline external, facilitates the inspection of personnel's in-service period
Maintenance.Currently, the first device and pipeline external of nuclear reactor coolant system usually all use metallic insulation, but this gold
Belong to insulating layer and only have incubation and thermal insulation function, does not have function of shielding, such as: patent US3904379A, CN1159062A,
The metallic insulation that CN203131332U is provided does not have function of shielding.But with the development of nuclear power technology, both bands are protected
Warm heat insulating function, the demand of nuclear leve equipment and pipe insulating layer with function of shielding is more obvious again, patent CN103174912B
A kind of compound insulating layer with function of shielding is respectively provided with CN103971761A, but the shielding material of the two all uses
Boracic silicone resin or the nonmetallic organic material such as Boron-containing-PE plate or boracic epoxy resin board, this kind of nonmetallic organic screen material
The Applicable temperature range of material is generally not above 200 DEG C, even under the working environment lower than 200 DEG C, for organic resin
The inherent characteristic of material itself limits, and this kind of nonmetallic organic shielding material will necessarily generate under high temperature, prolonged use
Ageing of performance causes its function of shielding to be gradually reduced and even loses, and a service life will not be very long, is being used for the super-long service life phase
Nuclear power plant and when nuclear-plant (such as 60 year phase in longevity), be necessarily required to periodic replacement to guarantee that its shielding properties meets always
It is required that.
Summary of the invention
The technical problems to be solved by the present invention are: the composition metal insulating layer with radiation shield function is adopted in the prior art
It is made of organic material, high temperature resistance is poor, and service life is short, needs to regularly replace, the present invention provides solve the above problems
A kind of two sides fill out the compound function metallic insulation of shielding material.
The present invention is achieved through the following technical solutions:
The compound function metallic insulation of shielding material is filled out in a kind of two sides, including heat preservation outer box and is seated in heat preservation outer box
Inside neutron shield layer, outside neutron shield layer, reflective metals paillon, inside gamma shielding layer, outside gamma shielding layer, it is described
Inside neutron shield layer, outside neutron shield layer, inside gamma shielding layer and outside gamma shielding layer are all made of with metal spy
The inorganic mask material of property is made；Filling sequence on insulation layer thickness section is successively are as follows: in heat preservation outer box inner hull, inside
Sub- shielded layer, inside gamma shielding layer, several layers metallic reflection paillon, outside gamma shielding layer, outside neutron shield layer, heat preservation
The Shell Plate of outer box；Several layers metallic reflection paillon is whole, and by positive ball-and-socket and reversed ball-and-socket, regular intervals are arranged and are formed in length and breadth
Corrugated shape, and adjacent two layers metallic reflection paillon is with the vertex of the anti-ball-and-socket in vertex of the vertex of positive ball-and-socket to reversed ball-and-socket
Backwards to formula interfolded.
The heat preservation outer box of metallic insulation provided by the invention can be inner hull towards heat-producing device outer wall, be also possible to
Shell Plate can be fabricated to plate according to the shape of equipment surface towards heat-producing device outer wall, the monnolithic case of metallic insulation
Shape, tubular, spheric.The filling number of plies of metallic reflection paillon depending on the heat preservation of heat-producing device and radiation shielding needs,
Spacing between adjacent two layers metallic reflection paillon can be adjusted by controlling the height of positive and negative ball-and-socket, to reach metallic reflection
The optimization of paillon the filling number of plies and heat insulating effect.Adjacent two layers metallic reflective foil piece must be positive ball-and-socket when loading
Apexes contact is complete to the contact between formula interfolded, guarantee adjacent two layers metallic reflection paillon on the vertex of reversed ball-and-socket
It is point contact, it is therefore an objective to reduce metal contact area, reduce the loss of metal thermal contact conductance.
Further, between the inside gamma shielding layer and metallic reflection paillon and outside gamma shielding layer and gold
Belong to and is equipped with demarcation plate between reflective foil；The demarcation plate, which will be kept the temperature in outer box, is divided into three independent chambers, and demarcation plate is adopted
It is made of the austenitic stainless steel thin plate in bimirror face.
Demarcation plate and the surrounding side coverboard of heat preservation outer box carry out discontinuous welding connection, it is therefore an objective to the neutron screen by inside and outside
It covers layer and gamma shielding layer to separate with intermediate metallic reflection paillon, is divided into three independent chambers in heat preservation outer box.
Further, the heat preservation outer box are the side coverboards by inner hull, Shell Plate and surrounding by being formed by welding one
A closed outer box, the side coverboard of the inner hull, Shell Plate and surrounding are all made of the austenitic stainless steel thin plate in bimirror face
It is made.
Further, Co content mass percent≤1% of the austenitic stainless steel thin plate, in reducing be subjected to as far as possible
Activation dosage level after son and gamma irradiation.
Further, the inside neutron shield layer and outside neutron shield layer be all made of the pure grade boron carbide agglomerate of core or
Aluminum-based boron carbide composite plate is made.
Further, the inside neutron shield layer and outside neutron shield layer are all made of multilayer boron carbide agglomerate or more
Layer aluminum-based boron carbide composite plate is staggeredly stacked to reach and form, and the spelling of adjacent two layers boron carbide agglomerate or aluminum-based boron carbide composite plate
Seam mutually staggers.
The thickness of inside neutron shield layer and outside neutron shield layer, can be by multilayer boron depending on radiation shielding needs
Agglomerate or Multi-layer Al-based boron carbide composite plate, which are staggeredly stacked, reaches overall thickness requirement.
Further, the inside gamma shielding layer and outside gamma shielding layer are all made of stereotype or tungsten alloy plate is made.
Further, the metallic reflection paillon is pressed between regularity in length and breadth using ultra-thin austenitic stainless steel foil
Every the positive ball-and-socket of arrangement and the corrugated shape of reversed ball-and-socket.
Further, the ultra-thin austenitic stainless steel foil is made through solution annealing, double-sided light processing, and Co content
Mass percent≤1%.
Ultra-thin austenitic stainless steel foil for pressed metal reflective foil should be handled with solution annealing, double-sided light,
And the control of Co content is being not more than 1% level, the purpose is to: 1) plasticity and toughness for enhancing stainless steel foil band prevent from being pressed into
It is torn when shape；2) surface smoothness of stainless steel foil band is improved to reduce the slin emissivity of foil, enhances metallic reflective foil
Radiation reflective ability of the piece to heat；3) it reduces as far as possible and is subjected to the activation dosage level after neutron and gamma irradiation.
The present invention has the advantage that and the utility model has the advantages that
1, composite metal insulating layer of the present invention is to increase neutron and gal in the inside of metallic insulation structure
Horse shielding material not only remained the excellent incubation and thermal insulation function of metallic insulation, but also had increased shielding neutron and gamma ray newly
Radiation shield function, and neutron shielding material uses the pure grade boron carbide agglomerate of core or aluminum-based boron carbide composite plate, gamma screen
Material is covered using stereotype or tungsten alloy plate, and above-mentioned four kinds of shielding materials are all inorganic mask material with metallic character, resistance to height
Temperature, radiation resistance, chemical and physical properties are stablized, can the long-lived phase under high temperature, high radiation environment use without aging
With shielding properties decline the phenomenon that, do not need to regularly replace, overcome well patent CN103174912B and
Nonmetallic organic shielding material non-refractory used in CN103971761A, the easy to aging, deficiency that need to regularly replace；
2, the ripple struction for the single-layer metal reflective foil loaded inside composite metal insulating layer of the present invention and
The stacked configuration of multiple layer metal reflective foil can effectively reduce radiant heat transfer amount and metal thermal contact conductance heat output, improve multiple
The heat insulating effect of mould assembly metallic insulation.Moreover, positive and negative double ball-and-socket ripples of metallic reflective foil on piece of the present invention
Structure is into being intervally arranged in length and breadth for regularity in entire plane, is evenly distributed in all directions, can not have to distinguish ripple side
To being extremely easily rolled into round tube shape and spherical shape, with facilitate by the monnolithic case of entire composite metal insulating layer according to
Equipment surface shape is fabricated to tubular or spheric.
In conclusion composite metal insulating layer provided by the invention had both had excellent thermal and insulating performance, but also with
The radiation proof function of excellent shielding neutron and gamma ray, can the long-lived phase under high temperature, high radiation environment use without
There is the phenomenon that aging and shielding properties decline, do not need to regularly replace, building core first device and the metal of pipeline can be used
Keep the temperature layer system.
Detailed description of the invention
Attached drawing described herein is used to provide to further understand the embodiment of the present invention, constitutes one of the application
Point, do not constitute the restriction to the embodiment of the present invention.In the accompanying drawings:
Fig. 1 is the compound function metal heat preservation schematic diagram of a layer structure that shielding material is filled out in two sides of the present invention；
Fig. 2 is the top plan view structure of the metallic reflection paillon in Fig. 1；
Fig. 3 is the A-A cross-section structure of the metallic reflection paillon in Fig. 2.
Label and corresponding parts title in attached drawing: 1- inner hull, 2- Shell Plate, the side 3- coverboard, the inside 4- neutron
Shielded layer, gamma shielding layer on the inside of 5-, 6- demarcation plate, 7- metallic reflection paillon, gamma shielding layer on the outside of 8-, neutron screen on the outside of 9-
Cover layer, 10- forward direction ball-and-socket, the reversed ball-and-socket of 11-.
Specific embodiment
To make the objectives, technical solutions, and advantages of the present invention clearer, below with reference to embodiment and attached drawing, to this
Invention is described in further detail, and exemplary embodiment of the invention and its explanation for explaining only the invention, are not made
For limitation of the invention.
Embodiment
As shown in Figure 1, the compound function metallic insulation of shielding material is filled out by heat preservation outer box and dress in two sides provided by the invention
Fill out inside neutron shield layer 4, outside neutron shield layer 9, inside gamma shielding layer 5, demarcation plate 6 and the gold inside heat preservation outer box
Belong to reflective foil 7, the composition of outside gamma shielding layer 8, filling sequence of each part on thickness x cross sectional is successively are as follows: keeps the temperature outer box
It is inner hull 1, inside neutron shield layer 4, inside gamma shielding layer 5, demarcation plate 6, multiple layer metal reflective foil 7, demarcation plate 6, outer
Side gamma shielding layer 8, outside neutron shield layer 9, the Shell Plate 2 for keeping the temperature outer box.This composite metal with function of shielding is protected
The monnolithic case of warm layer can be fabricated to plate shaped, tubular, spheric according to the shape of equipment surface, the high temperature model used
Enclosing generally can be to 450 DEG C, and thermal insulation property can generally accomplish that Equivalent Thermal Conductivities are less than 0.075W/ (m.K), use the longevity
Ordering expection can be even longer by 60 years.
It keeps the temperature outer box and the welding manners such as spot welding or discontinuous welding is passed through by the side coverboard 3 of inner hull 1, Shell Plate 2 and surrounding
A closed outer box are constituted, material is manufactured using austenitic stainless steel thin plate, and austenitic stainless steel thin plate need to carry out two-sided throwing
Light processing reaches the requirement of bimirror face, and the Co content in stainless sheet steel should control and be not more than 1% level, to drop as far as possible
The low activation dosage level being subjected to after neutron and gamma irradiation.The thickness of inner hull 1 and Shell Plate 2 generally 0.6mm~
Between 1.0mm, and the thickness of side coverboard 3 can be equal with the thickness of the thickness of inner hull 1 or Shell Plate 2, but in view of protecting
The structural strength of warm outer box can also be slightly thicker than the thickness of inner hull 1 and the thickness of Shell Plate 2, but is usually no more than 2mm,
It, can be in the case where keeping coverboard 3 thickness in side constant, by side coverboard edge in order to further enhance the intensity of heat preservation outer box
Incubation chamber thickness direction inwardly suppresses equally spaced triangular groove or semi-cylindrical recesses, to increase the bending resistance of side coverboard
Section modulus, so as to improve the overall structure stiffness and strength of incubation chamber.
Inside neutron shield layer 4 and outside neutron shield layer 9 are all made of the pure grade boron carbide agglomerate of core or aluminum-based boron carbide
Composite plate, thickness can use multilayer boron carbide agglomerate or aluminum-based boron carbide composite plate depending on radiation shielding needs
It is staggeredly stacked and reaches overall thickness requirement.The relative density general control of boron carbide agglomerate is in 60%~85% range, and aluminium base
The content of boron carbide is generally 30% or so in boron carbide composite plate.Adjacent two layers boron carbide agglomerate or aluminum-based boron carbide are compound
The splicing seam of plate should mutually stagger, and guarantee to form mazy seam that is staggeredly stacked in thickness direction, avoid the occurrence of through thickness
The vertical masonry joint splicing for spending direction, avoids neutron from leaking beam.
Inside gamma shielding layer 5 and outside gamma shielding layer 8 are all made of stereotype or tungsten alloy plate is made, and operating temperature is lower than
Tungsten alloy plate, the thickness of inside gamma shielding layer 5 and outside gamma shielding layer 8 are used when using stereotype at 327 DEG C, being higher than 327 DEG C
Degree is depending on radiation shielding needs.
Demarcation plate 6 is manufactured using with the austenitic stainless steel thin plate in the bimirror face of the identical material of heat preservation outer box, demarcation plate 6 with
The surrounding side coverboard 3 of heat preservation outer box is welded to connect, it is therefore an objective to neutron shield layer and gamma shielding layer by inside and outside
It is separated with intermediate metallic reflection paillon 7, is divided into three independent chambers in heat preservation outer box, to load each shielding respectively
Layer and metallic reflection paillon 7.
Metallic reflection paillon 7 is manufactured using ultra-thin austenitic stainless steel foil, thickness generally in 0.05mm~1.0mm,
And positive and negative double ball-and-socket corrugated shapes of Fig. 2 and regular intervals in length and breadth shown in Fig. 3 arrangement are pressed into, and all with two positive balls
Nest is a cycling element, with two reversed ball-and-sockets for a cycling element, carries out loop distribution at equal intervals.Positive ball-and-socket and anti-
To ball-and-socket depth generally in 5mm~15mm range, preferably in 5~10mm；It is adjacent forward direction ball-and-socket, adjacent reversed ball-and-socket and
Spacing between adjacent forward direction ball-and-socket and reversed ball-and-socket is generally in 30mm~90mm range.The filling layer of metallic reflection paillon 7
For number depending on the heat preservation demand of heat-producing device, the spacing between adjacent two layers metallic reflection paillon 7 can be positive by control
The height of ball-and-socket 10 and reversed ball-and-socket 11 adjusts, and loads the number of plies and heat insulating effect most to reach metallic reflection paillon 7
Optimization.Adjacent two layers metallic reflection paillon 7 must be back of the vertex to the vertex of reversed ball-and-socket 11 of positive ball-and-socket 10 when loading
To formula interfolded, guarantee that the contact between adjacent two layers metallic reflection paillon 7 is point contact entirely, it is therefore an objective to reduce metal contact
Area reduces the loss of metal thermal contact conductance.Ultra-thin austenitic stainless steel foil for pressed metal reflective foil 7 is moved back through solid solution
Fire and double-sided light processing, and the control of Co content is being not more than 1% level, the purpose is to: 1) enhance stainless steel foil band
Plasticity and toughness prevent from being torn in compression moulding；2) surface smoothness of stainless steel foil band is improved to reduce the surface emitting of foil
Rate, radiation reflective ability of the enhancing metallic reflection paillon to heat；3) it reduces as far as possible and is subjected to the activation after neutron and gamma irradiation
Dosage level.
In addition, metallic reflection paillon can also be pressed into the positive and negative triangle corrugated shape or chocolate of existing mechanical periodicity
Metallic reflection paillon and this hair referring to above content, after compression moulding is arranged in corrugated shape, depth and corresponding spacing parameter
The structures such as bright heat preservation outer box and neutron shield layer, gamma shielding layer, demarcation plate are with the use of also can reach preferable heat preservation effect
Fruit.
Above-described specific embodiment has carried out further the purpose of the present invention, technical scheme and beneficial effects
It is described in detail, it should be understood that being not intended to limit the present invention the foregoing is merely a specific embodiment of the invention
Protection scope, all within the spirits and principles of the present invention, any modification, equivalent substitution, improvement and etc. done should all include
Within protection scope of the present invention.
Claims (9)
1. the compound function metallic insulation that shielding material is filled out in a kind of two sides, which is characterized in that including heat preservation outer box and be seated in guarantor
Inside neutron shield layer (4), outside neutron shield layer (9), reflective metals paillon (7), inside gamma shielding layer in warm outer box
(5), outside gamma shielding layer (8), the inside neutron shield layer (4), outside neutron shield layer (9), inside gamma shielding layer
(5) it is all made of inorganic mask material with metallic character with outside gamma shielding layer (8) and is made；On insulation layer thickness section
Filling sequence successively are as follows: heat preservation outer box inner hull (1), inside neutron shield layer (4), inside gamma shielding layer (5), several layers
Metallic reflection paillon (7), outside gamma shielding layer (8), outside neutron shield layer (9), the Shell Plate (2) for keeping the temperature outer box；It is several
Layer metallic reflection paillon (7) it is whole by positive ball-and-socket (10) and reversed ball-and-socket (11) in length and breadth regular intervals arrange formed it is corrugated
Shape, and adjacent two layers metallic reflection paillon (7) with the vertex of positive ball-and-socket (10) to the anti-ball-and-socket in vertex of reversed ball-and-socket (11)
(11) the formula interfolded backwards on vertex.
2. the compound function metallic insulation that shielding material is filled out in a kind of two sides according to claim 1, which is characterized in that described
Between inside gamma shielding layer (5) and metallic reflection paillon (7) and outside gamma shielding layer (8) and metallic reflection paillon (7)
Between be equipped with demarcation plate (6)；The demarcation plate (6), which will keep the temperature, is divided into three independent chambers in outer box, demarcation plate (6) uses
The austenitic stainless steel thin plate in bimirror face is made.
3. the compound function metallic insulation that shielding material is filled out in a kind of two sides according to claim 1, which is characterized in that described
Keeping the temperature outer box is the side coverboard (3) by inner hull (1), Shell Plate (2) and surrounding by the way that a closed outer box are formed by welding,
The austenitic stainless steel thin plate that the side coverboard (3) of the inner hull (1), Shell Plate (2) and surrounding is all made of bimirror face is made.
4. the compound function metallic insulation that shielding material is filled out in a kind of two sides according to claim 3, which is characterized in that described
Co content mass percent≤1% of austenitic stainless steel thin plate.
5. the compound function metallic insulation that shielding material is filled out in a kind of two sides according to claim 1, which is characterized in that described
Inside neutron shield layer (4) and outside neutron shield layer (9) are all made of the pure grade boron carbide agglomerate of core or aluminum-based boron carbide is compound
Plate is made.
6. the compound function metallic insulation that shielding material is filled out in a kind of two sides according to claim 5, which is characterized in that described
Inside neutron shield layer (4) and outside neutron shield layer (9) are all made of multilayer boron carbide agglomerate or Multi-layer Al-based boron carbide is multiple
Plywood is staggeredly stacked to reach and form, and the splicing seam of adjacent two layers boron carbide agglomerate or aluminum-based boron carbide composite plate is mutually wrong
It opens.
7. the compound function metallic insulation that shielding material is filled out in a kind of two sides according to claim 1, which is characterized in that described
Inside gamma shielding layer (5) and outside gamma shielding layer (8) are all made of stereotype or tungsten alloy plate is made.
8. the compound function metallic insulation that shielding material is filled out in a kind of two sides according to claim 1, which is characterized in that described
Metallic reflection paillon (7) is pressed into the positive ball-and-socket of regular intervals arrangement in length and breadth using ultra-thin austenitic stainless steel foil
(10) and the corrugated shape of reversed ball-and-socket (11).
9. the compound function metallic insulation that shielding material is filled out in a kind of two sides according to claim 8, which is characterized in that described
Ultra-thin austenitic stainless steel foil is made through solution annealing, double-sided light processing, and Co content mass percent≤1%.
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