CN104599726B - Metal reflective warming plate - Google Patents
Metal reflective warming plate Download PDFInfo
- Publication number
- CN104599726B CN104599726B CN201410621120.3A CN201410621120A CN104599726B CN 104599726 B CN104599726 B CN 104599726B CN 201410621120 A CN201410621120 A CN 201410621120A CN 104599726 B CN104599726 B CN 104599726B
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- China
- Prior art keywords
- rib
- metallic reflection
- heat preservation
- type heat
- reflection type
- 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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- 239000002184 metal Substances 0.000 title claims abstract description 25
- 229910052751 metal Inorganic materials 0.000 title claims abstract description 25
- 238000010792 warming Methods 0.000 title abstract 4
- 239000011888 foil Substances 0.000 claims abstract description 63
- 238000009413 insulation Methods 0.000 claims abstract description 40
- 238000003491 array Methods 0.000 claims abstract description 4
- 238000004321 preservation Methods 0.000 claims description 42
- 238000005253 cladding Methods 0.000 claims description 6
- 229910001566 austenite Inorganic materials 0.000 claims description 4
- 229910000963 austenitic stainless steel Inorganic materials 0.000 claims description 4
- 230000000994 depressogenic effect Effects 0.000 claims description 4
- 229910001220 stainless steel Inorganic materials 0.000 claims description 4
- 239000010935 stainless steel Substances 0.000 claims description 4
- 238000004806 packaging method and process Methods 0.000 claims description 3
- 239000000463 material Substances 0.000 claims description 2
- PCHJSUWPFVWCPO-UHFFFAOYSA-N gold Chemical compound [Au] PCHJSUWPFVWCPO-UHFFFAOYSA-N 0.000 claims 1
- 239000010931 gold Substances 0.000 claims 1
- 229910052737 gold Inorganic materials 0.000 claims 1
- 238000012546 transfer Methods 0.000 abstract description 2
- QNRATNLHPGXHMA-XZHTYLCXSA-N (r)-(6-ethoxyquinolin-4-yl)-[(2s,4s,5r)-5-ethyl-1-azabicyclo[2.2.2]octan-2-yl]methanol;hydrochloride Chemical group Cl.C([C@H]([C@H](C1)CC)C2)CN1[C@@H]2[C@H](O)C1=CC=NC2=CC=C(OCC)C=C21 QNRATNLHPGXHMA-XZHTYLCXSA-N 0.000 abstract 3
- 239000010410 layer Substances 0.000 description 22
- 230000000694 effects Effects 0.000 description 7
- 238000000034 method Methods 0.000 description 5
- 229910000831 Steel Inorganic materials 0.000 description 4
- 239000010959 steel Substances 0.000 description 4
- 230000007547 defect Effects 0.000 description 3
- XKRFYHLGVUSROY-UHFFFAOYSA-N Argon Chemical compound [Ar] XKRFYHLGVUSROY-UHFFFAOYSA-N 0.000 description 2
- 230000008859 change Effects 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 230000005855 radiation Effects 0.000 description 2
- 238000003466 welding Methods 0.000 description 2
- 208000037656 Respiratory Sounds Diseases 0.000 description 1
- 229910052786 argon Inorganic materials 0.000 description 1
- 239000002826 coolant Substances 0.000 description 1
- 230000007812 deficiency Effects 0.000 description 1
- 230000001419 dependent effect Effects 0.000 description 1
- 238000013461 design Methods 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 238000002474 experimental method Methods 0.000 description 1
- 239000012634 fragment Substances 0.000 description 1
- 239000011229 interlayer Substances 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 230000007246 mechanism Effects 0.000 description 1
- 239000000203 mixture Substances 0.000 description 1
- 230000008569 process Effects 0.000 description 1
- 238000010079 rubber tapping Methods 0.000 description 1
- 238000004826 seaming Methods 0.000 description 1
- 239000002356 single layer Substances 0.000 description 1
- 239000000126 substance Substances 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
-
- 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)
- Physics & Mathematics (AREA)
- Health & Medical Sciences (AREA)
- Life Sciences & Earth Sciences (AREA)
- Biomedical Technology (AREA)
- General Health & Medical Sciences (AREA)
- Molecular Biology (AREA)
- Plasma & Fusion (AREA)
- General Engineering & Computer Science (AREA)
- High Energy & Nuclear Physics (AREA)
- Thermal Insulation (AREA)
- Laminated Bodies (AREA)
Abstract
The invention discloses a metal reflective warming plate. The metal reflective warming plate comprises a thermal insulation casing and several stacked metal reflection foil sheets coated with the thermal insulation casing. Each one of the several stacked metal reflection foil sheets is provided with several raised first ribs arranged along a first direction and several raised second ribs arranged along a second direction, the first ribs and the second ribs are staggered and extend to form several rhombic unit arrays, the rhombic units of each two adjacent metal reflection foil sheets form an included angle of 90 degrees, the raised first ribs and second ribs of each two adjacent metal reflection foil sheets are staggered oppositely, and several relatively-independent air sandwich chambers are formed between each two adjacent metal reflection foil sheets. The metal reflective warming plate utilizes the metal reflection foil sheets of the rhombic unit structures, and the air layer between each two adjacent metal reflection foil sheets is divided into narrow spaces so that air natural convection heat transfer between the metal reflection foil sheets can be effectively inhibited.
Description
Technical field
The present invention relates to a kind of metallic reflection type heat preservation plate, especially a kind of metallic reflection with good heat preservation effect
Type heat insulation board, it can be used to build the metallic reflection type heat-insulation system of Nuclear Power Plant Equipment and pipeline, to ensure equipment and pipeline
Heat loss is reduced under accidental conditions, heat insulation function is realized.
Background technology
Under nuclear power plant's accidental conditions, exist between various equipment and the temperature and ambient temperature of pipeline larger
Difference.For example, nuclear island primary Ioops coolant mean temperature is generally greater than 310 DEG C, and ambient temperature typically requires to be less than 50
℃.Therefore, in order to ensure nuclear power plant in equipment and pipeline heat loss is reduced under accidental conditions, generally in equipment and pipeline
Outer wall cladding heat-insulation layer.
Compared to nonmetallic heat-insulation layer, metallic reflection type heat-insulation layer because catabiosis not substantially, high temperature resistant and radioresistance
Can be excellent, and the fragment produced after cut accident is less to downstream physical, chemical affect, therefore obtain in Nuclear Power Plant Equipment and pipeline
To widely using.
Metallic reflection type heat preservation plate generally includes lagging casing and reflective foil, and lagging casing is thin by austenitic stainless steel
Plate is made, and reflective foil is usually the thick austenitic stainless steel foil compactings of 0.03～0.05mm and forms.
The mechanism of heat insulation of metallic reflection type heat preservation plate is according to hemisphere integral emissivity, using high reflectance, any surface finish
Forming metal reflective foil as reflecting plate, the heat radiation overwhelming majority that equipment (or pipeline) is launched is reflected back, from
And reduced radiation heat exchange significantly.The special reflective foil waveform of metallic reflection type heat preservation plate, can suppress the convection current in interlayer to change
Heat, by reducing thermal bridge area, increase heat bridge length, to increase thermal-conduction resistance and reach good effect of heat insulation.
Correlation technique discloses a kind of metallic reflection type heat preservation plate, and it includes being incubated outer box and reflective foil, wherein, instead
Paillon foil is penetrated for triangle bellows-shaped, reflective foil is laminated multi-layer, and the triangle ripple direction of adjacent two layers reflective foil
Angle interfolded in 90 °.
But, in above-mentioned metallic reflection type heat preservation plate, there is run-though space between reflective foil, to air blanketing from
So convection current suppresses unobvious.
Correlation technique further discloses a kind of metallic reflection type heat preservation plate, and it includes housing, the reflection of closely spaced rustless steel
The big rustless steel reflective foil two of paillon foil one, spacing, wherein, in housing and near insulation equipment or pipeline (high temperature side)
Side loads 6 layers to the less rustless steel for being pressed into definite shape (ripple type, hemisphere concave-convex or box-shaped) of 10 interlamellar spacings
Reflective foil one, in housing and away from 5 layers big to 10 interlamellar spacings of the side filling of insulation equipment or pipeline (low temperature side)
It is pressed into the rustless steel reflective foil two of definite shape (ripple type, hemisphere concave-convex or box-shaped).
But, above-mentioned metallic reflection type heat preservation plate there is also following defect：
1) due to the metal forming using two kinds of different sizes, need using two kinds of different moulds, manufacturing cost is relatively
It is high；
2) for the heat-insulation layer plate of different-thickness, due to the difference that reflective foil different size is combined, performance need to be considered
Experiment work amount is larger.
In view of this, it is necessory to provide a kind of metallic reflection type heat preservation plate with good thermal insulation property.
The content of the invention
It is an object of the invention to：Overcome the defect and deficiency of prior art, there is provided a kind of with good thermal insulation property
Metallic reflection type heat preservation plate.
In order to realize foregoing invention purpose, the invention provides a kind of metallic reflection type heat preservation plate, it includes insulation cladding
The metallic reflection paillon foil of body and some layer stackups being covered by insulation shell, wherein, described each metallic reflection paillon foil sets
There is first rib for arranging along a first direction of several projections and arrange along second direction the second of several projections
Rib, the first rib and second rib staggered extension arrangement form several diamond-shaped element arrays, adjacent two layers metallic reflective foil
The diamond-shaped element direction angle in 90 ° of piece, and the first raised rib of adjacent two layers metallic reflection paillon foil and second rib are relative
Stack, several relatively independent air folder chambers are formed between adjacent double layer of metal reflective foil.
Improve as one kind of this metallic reflection type heat preservation plate, first rib and second rib surround depression
Portion, the section of depressed part is trapezoidal.
Improve as one kind of metallic reflection type heat preservation plate of the present invention, the section of first rib and second rib is equal
For triangle.
Improve as one kind of metallic reflection type heat preservation plate of the present invention, the height of first rib and second rib is not
Together.
Improve as one kind of metallic reflection type heat preservation plate of the present invention, the height of first rib is 6～10mm, institute
The height for showing second rib is 3～6mm.
Improve as one kind of metallic reflection type heat preservation plate of the present invention, it is described adjacent in same metallic reflection paillon foil
Angle between first rib and second rib is 20～70 °.
Improve as one kind of metallic reflection type heat preservation plate of the present invention, the metallic reflection type heat preservation plate includes many
In the metallic reflection paillon foil of trilaminate.
Improve as one kind of metallic reflection type heat preservation plate of the present invention, the metallic reflection paillon foil is by austenitic stainless steel
Material is made.
Improve as one kind of metallic reflection type heat preservation plate of the present invention, the insulation shell adopts full packaging type structure,
Formed by several flat plate splicings, the edge of at least part of flat board is provided with flanging.
Improving as one kind of metallic reflection type heat preservation plate of the present invention, the insulation shell adopts thickness for 0.6～
The austenite stainless steel plate of 0.8mm is made.
Relative to prior art, metallic reflection type heat preservation plate of the present invention has advantages below：Using diamond-shaped element structure
Metallic reflection paillon foil, adjacent metal foil layer interfolded, the air layer between metallic reflection paillon foil is divided into narrow and small sky
Between, can effectively suppress the natural convection air between metallic reflection paillon foil to conduct heat, it is ensured that metallic insulation plate has good guarantor
Temp effect.
Description of the drawings
With reference to the accompanying drawings and detailed description, metallic reflection type heat preservation plate of the present invention and its technique effect are carried out
Describe in detail, in accompanying drawing：
Fig. 1 is the perspective exploded view of metallic reflection type heat preservation plate of the present invention.
Fig. 2 is the perspective exploded view of the insulation shell of metallic reflection type heat preservation plate of the present invention.
Fig. 3 is the stacking schematic diagram of the multiple layer metal reflective foil of metallic reflection type heat preservation plate of the present invention.
Fig. 4 is the top view of the single-layer metal reflective foil of metallic reflection type heat preservation plate of the present invention.
Fig. 5 A and Fig. 5 B are metallic reflections paillon foil shown in Fig. 4 along line A-A and the cross-sectional schematic of line B-B.
Fig. 6 A and Fig. 6 B are that the metallic reflection paillon foil of metallic reflection type heat preservation plate of the present invention stacks process schematic.
Specific embodiment
In order that the goal of the invention of the present invention, technical scheme and technique effect become apparent from, below in conjunction with accompanying drawing and specifically
Embodiment, the present invention will be described in further detail.It should be appreciated that the specific embodiment described in this specification
Just for the sake of explaining the present invention, it is not intended to limit the present invention.
Refer to shown in Fig. 1, metallic reflection type heat preservation plate of the present invention includes insulation shell 10 and is covered by insulation cladding
The metallic reflection paillon foil 20 of some layer stackups in body 10, wherein, metallic reflection paillon foil 20 is more than or equal to 3 layers.
Refer to shown in Fig. 2, insulation shell 10 adopts full packaging type structure, is formed by several flat plate splicings.At least portion
The edge for dividing the flat board of insulation shell 10 is provided with flanging 100, and the width of flanging 100 is 10～14mm, can conveniently realize insulation cladding
The splicing of body 10.In the shown embodiment, insulation shell 10 adopts thickness for the austenite stainless steel plate system of 0.6～0.8mm
Into each flat board of insulation shell 10 is welded using resistance spot welding or argon arc welding.
Refer to shown in Fig. 3 to Fig. 5, metallic reflection paillon foil 20 is by the austenite stainless steel disc that thickness is 0.03～0.05mm
Compacting is formed.The shape of metallic reflection paillon foil 20 need to be checked with model, the impact surface reflectance energy such as surface does not scratch, crackle
Defect exist.
Metallic reflection paillon foil 20 is provided with first rib 200 arranged in parallel along a first direction of several projections and some
The individual raised second rib 202 arranged in parallel along second direction, the first rib 200 and second rib 202 are in staggered extension
Arrangement form several diamond-shaped element arrays, the section of the depressed part 204 surrounded by the first rib 200 and second rib 202 is
It is trapezoidal.
The section of the first rib 200 and second rib 202 is triangle, and section is the He of the first rib 200 of triangle
Second rib 202 is easy to mould compressing, and has preferable rigidity and non-deformability.
For each diamond-shaped element, raised the first rib of triangle 200 and the length of side of second rib 202 be 40～
Angle between 80mm, adjacent the first rib 200 and second rib 202 is 20～70 °.
Please referring specifically to shown in Fig. 5 A and Fig. 5 B, the height of the first adjacent rib 200 of diamond-shaped element and second rib 202
Difference, wherein, the height of the first rib 200 is 6～10mm, and the height of second rib 202 is 3～6mm.The He of first rib 200
The not contour design of second rib 202, can be prevented effectively from metallic reflection paillon foil 20 and breakage occur because stress point is concentrated.
Refer to shown in Fig. 6 A and Fig. 6 B, during stacking, interfolded in 90 ° between adjacent two layers metallic reflection paillon foil 20.
That is, the diamond-shaped element direction angle in 90 ° of adjacent two layers metallic reflection paillon foil 20, and the three of the projection of double layer of metal reflective foil 20
Angular rib 200,202 is relative to be stacked.Due to the support of the raised rib 200,202 of adjacent metal reflective foil 20, two-layer
The different and relatively independent air folder chamber 30 of size, shape is formed between metallic reflection paillon foil 20, it is possible to reduce metallic reflective foil
The free convection of air blanketing between piece 20.
It should be noted that in the shown embodiment, insulation shell 10 is formed by several flat plate splicings.But
Be, other embodiment of the invention, insulation shell also dependent on equipment profile need be arranged to arc-shaped structure.It is right
In circular arc insulation shell, seaming operation is relatively difficult to achieve, can adopt angle cleat to realize the splicing of insulation shell.
Metallic reflection type heat preservation plate of the present invention can be spliced according to the needs of equipment profile, and the mode of splicing has two
Kind：A kind of mode is that, using tapping screw and toothed washer structure, toothed washer plays locking effect；Another way is to adopt
Hasp structure, can be used to repeatedly dismantle heat insulation board structure.
Can be seen that relative to prior art with reference to above detailed description of the present invention, metallic reflection type of the present invention is protected
Warm plate has advantages below：Using the metallic reflection paillon foil of diamond-shaped element structure, adjacent metal foil layer interfolded, metal
Air layer between reflective foil is divided into small space, can effectively suppress the natural convection air between metallic reflection paillon foil
Heat transfer, it is ensured that metallic insulation plate has good heat insulation effect.
According to above-mentioned principle, the present invention can also carry out appropriate change and modification to above-mentioned embodiment.Therefore, this
It is bright to be not limited to specific embodiment disclosed and described above, some modifications and changes of the present invention should also be as falling into this
In the scope of the claims of invention.Although additionally, some specific terms used in this specification, these terms
Merely for convenience of description, not to any restriction of present invention composition.
Claims (10)
1. the gold of a kind of metallic reflection type heat preservation plate, including insulation shell and some layer stackups being covered by insulation shell
Category reflective foil, it is characterised in that：Described each metallic reflection paillon foil is provided with arranging along a first direction for several projections
The second rib along second direction arrangement of the first rib and several projections, the first rib and second rib staggered extension are arranged
Arrange and form several diamond-shaped element arrays, the diamond-shaped element direction angle in 90 ° of adjacent two layers metallic reflection paillon foil, and adjacent two
The first raised rib of layer metallic reflection paillon foil and second rib are stacked relatively, are formed between adjacent double layer of metal reflective foil
Several relatively independent air folder chambers.
2. metallic reflection type heat preservation plate according to claim 1, it is characterised in that：First rib and second rib
Depressed part is surrounded, the section of depressed part is trapezoidal.
3. metallic reflection type heat preservation plate according to claim 1, it is characterised in that：First rib and second rib
Section be triangle.
4. metallic reflection type heat preservation plate according to claim 1, it is characterised in that：First rib and second rib
Height it is different.
5. metallic reflection type heat preservation plate according to claim 4, it is characterised in that：The height of first rib is 6
～10mm, the height of shown second rib is 3～6mm.
6. metallic reflection type heat preservation plate according to claim 1, it is characterised in that：In same metallic reflection paillon foil, institute
The angle stated between adjacent the first rib and second rib is 20～70 °.
7. metallic reflection type heat preservation plate according to any one of claim 1 to 6, it is characterised in that：The metal is anti-
Emitting heat insulation board includes the metallic reflection paillon foil no less than trilaminate.
8. metallic reflection type heat preservation plate according to any one of claim 1 to 6, it is characterised in that：The metal is anti-
Penetrate paillon foil to be made up of austenitic stainless steel material.
9. metallic reflection type heat preservation plate according to any one of claim 1 to 6, it is characterised in that：The insulation cladding
Body adopts full packaging type structure, is formed by several flat plate splicings, and the edge of at least part of flat board is provided with flanging.
10. metallic reflection type heat preservation plate according to any one of claim 1 to 6, it is characterised in that：The insulation cladding
Body adopts thickness and is made up of the austenite stainless steel plate of 0.6～0.8mm.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410621120.3A CN104599726B (en) | 2014-11-06 | 2014-11-06 | Metal reflective warming plate |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410621120.3A CN104599726B (en) | 2014-11-06 | 2014-11-06 | Metal reflective warming plate |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN104599726A CN104599726A (en) | 2015-05-06 |
| CN104599726B true CN104599726B (en) | 2017-04-19 |
Family
ID=53125441
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201410621120.3A Active CN104599726B (en) | 2014-11-06 | 2014-11-06 | Metal reflective warming plate |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN104599726B (en) |
Families Citing this family (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105065859B (en) * | 2015-07-27 | 2017-10-13 | 中国核动力研究设计院 | One seed nucleus level equipment and pipeline metallic reflection type heat-insulation layer |
| CN105405477B (en) * | 2015-11-05 | 2017-12-26 | 中国核动力研究设计院 | A kind of thermal baffle for being applied to built-in steam pressurizer |
| CN107731320A (en) * | 2017-11-01 | 2018-02-23 | 上海核工程研究设计院有限公司 | A kind of radiation shielding structure applied to nuclear power station |
| CN109616226B (en) * | 2018-12-04 | 2023-02-28 | 中国核动力研究设计院 | Composite metal heat-insulating layer with shielding materials filled on two sides |
| CN112944202A (en) * | 2021-03-22 | 2021-06-11 | 中海石油气电集团有限责任公司 | LNG storage tank cold insulation structure based on metal reflection type heat insulation layer and installation method thereof |
| CN115325435B (en) * | 2022-08-23 | 2024-04-12 | 安徽扬天金塑新能源装备有限公司 | A insulation construction and low temperature storage tank based on this insulation construction for low temperature storage tank |
-
2014
- 2014-11-06 CN CN201410621120.3A patent/CN104599726B/en active Active
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| Publication number | Publication date |
|---|---|
| CN104599726A (en) | 2015-05-06 |
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