CN104653949B - Heat shroud of heatproof Low emissivity and preparation method thereof when a kind of long - Google Patents
Heat shroud of heatproof Low emissivity and preparation method thereof when a kind of long Download PDFInfo
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- CN104653949B CN104653949B CN201510096594.5A CN201510096594A CN104653949B CN 104653949 B CN104653949 B CN 104653949B CN 201510096594 A CN201510096594 A CN 201510096594A CN 104653949 B CN104653949 B CN 104653949B
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- brushing
- adiabatic
- varnish
- cloth
- heat shroud
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Classifications
-
- 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
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B32—LAYERED PRODUCTS
- B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
- B32B15/00—Layered products comprising a layer of metal
- B32B15/14—Layered products comprising a layer of metal next to a fibrous or filamentary layer
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B32—LAYERED PRODUCTS
- B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
- B32B15/00—Layered products comprising a layer of metal
- B32B15/20—Layered products comprising a layer of metal comprising aluminium or copper
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B32—LAYERED PRODUCTS
- B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
- B32B5/00—Layered products characterised by the non- homogeneity or physical structure, i.e. comprising a fibrous, filamentary, particulate or foam layer; Layered products characterised by having a layer differing constitutionally or physically in different parts
- B32B5/02—Layered products characterised by the non- homogeneity or physical structure, i.e. comprising a fibrous, filamentary, particulate or foam layer; Layered products characterised by having a layer differing constitutionally or physically in different parts characterised by structural features of a fibrous or filamentary layer
-
- 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
-
- 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
- F16L59/12—Arrangements for supporting insulation from the wall or body insulated, e.g. by means of spacers between pipe and heat-insulating material; Arrangements specially adapted for supporting insulated bodies
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B32—LAYERED PRODUCTS
- B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
- B32B2255/00—Coating on the layer surface
- B32B2255/02—Coating on the layer surface on fibrous or filamentary layer
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B32—LAYERED PRODUCTS
- B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
- B32B2255/00—Coating on the layer surface
- B32B2255/26—Polymeric coating
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B32—LAYERED PRODUCTS
- B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
- B32B2262/00—Composition or structural features of fibres which form a fibrous or filamentary layer or are present as additives
- B32B2262/10—Inorganic fibres
- B32B2262/105—Ceramic fibres
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B32—LAYERED PRODUCTS
- B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
- B32B2307/00—Properties of the layers or laminate
- B32B2307/30—Properties of the layers or laminate having particular thermal properties
- B32B2307/304—Insulating
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B32—LAYERED PRODUCTS
- B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
- B32B2307/00—Properties of the layers or laminate
- B32B2307/30—Properties of the layers or laminate having particular thermal properties
- B32B2307/306—Resistant to heat
Landscapes
- Engineering & Computer Science (AREA)
- General Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Laminated Bodies (AREA)
Abstract
The invention discloses it is a kind of long when heatproof or Low emissivity heat shroud, the bottom of heat shroud is made up of high-temperature heat insulation cloth for it, the high-temperature heat insulation cloth has overlap edge in the corner of instrument and meter, continuous adiabatic coating layer is painted with the outer surface of high-temperature heat insulation cloth, there is ceramic fiber cloth in adiabatic coating layer external pasting, the outer surface of the ceramic fiber cloth is also painted with continuous adiabatic coating layer, outside the adiabatic coating layer and the end face of heat shroud is coated with layer of varnish, has aluminium foil composite adiabatic film in the layer of varnish external pasting.The preparation method of the present invention includes：The bottom of heat shroud, brushing adiabatic coating and baking-curing, pasted with ceramic veneer fiber cloth are made with high-temperature heat insulation cloth, the end face lacquer varnish and baking-curing of heat shroud, paste outside the outside brushing adiabatic coating and baking-curing, the adiabatic coating layer in ceramic fiber cloth of ceramic fiber cloth and on layer of varnish aluminium foil composite adiabatic film.This heat shroud is easy for installation, shaping conformability is good, protection effect is stable.
Description
Technical field
The present invention relates to one kind be used for aerospace craft in it is long when heatproof or Low emissivity hot-fluid state of the art under the conditions of
Instrument, the heat shroud of equipment such as instrument and preparation method thereof.
Background technology
Heatproof Low emissivity condition space flight instrument, the heat insulation material of instrumentation use multilayer mostly when being presently used for long
Wrapped method is protected to instrument, instrumentation, and this technology has that frock is inconvenient, shaping conformability is bad, protection effect
The shortcomings of unstable.Wrapped fado carries out the winding of 1/2 scrap (bridge) method using high-temperature heat insulation cloth, comparatively more time-consuming, winding
When can produce fifth wheel and increase weight, in flight course, the heat insulation materials of privileged sites exists loose under certain frequency
Risk.
The content of the invention
The technical problem to be solved in the present invention is to provide it is a kind of long when heatproof or Low emissivity heat shroud and preparation method thereof.
In order to solve the above technical problems, the present invention on it is long when heatproof Low emissivity the technical scheme of heat shroud be：It by
The bottom of heat shroud is made in high-temperature heat insulation cloth, and the high-temperature heat insulation cloth has overlap edge in the corner of instrument and meter, exhausted in high temperature
The outer surface of hot cloth is painted with continuous adiabatic coating layer, has ceramic fiber cloth, the ceramics fibre in adiabatic coating layer external pasting
The outer surface of dimension cloth is also painted with continuous adiabatic coating layer, and outside the adiabatic coating layer and the end face of heat shroud is coated with varnish
Layer, has aluminium foil composite adiabatic film in the layer of varnish external pasting.
Further, the heat shroud is provided with stop hole and lacing hole, and running through in the lacing hole has stainless steel glass
Cordage.
Preferably, the high-temperature heat insulation cloth thickness is 0.3mm, and the thickness of the adiabatic coating layer on the high-temperature heat insulation cloth is
0.5-0.7mm；The thickness of adiabatic coating layer in the ceramic fiber cloth is 3.8-4.2mm.
Preferably, the adiabatic coating layer is polyurethane adiabatic dope layer.
The present invention on it is long when heatproof Low emissivity heat shroud preparation method, comprise the following steps that：1. make mould
Tool；2. the bottom of heat shroud is made of high-temperature heat insulation cloth according to mould；3. high-temperature heat insulation cloth outside brushing adiabatic coating simultaneously
Baking-curing；4. the pasted with ceramic veneer fiber cloth on the adiabatic coating layer of high-temperature heat insulation cloth；5. brushed in the outside of ceramic fiber cloth
Adiabatic coating and baking-curing；6. stop hole and lacing hole are rushed in heat shroud predetermined portion according to drawing, is cracked；7. ceramic fine
Tie up cloth adiabatic coating layer is outer and the end face lacquer varnish and baking-curing of heat shroud；8. it is compound absolutely that aluminium foil is pasted on layer of varnish
Hotting mask；9. run through lacing hole with stainless steel glass cord.
3. the step is to brush brush polyurethane adiabatic coating with palm fiber in the outer surface of high-temperature heat insulation cloth, apply brush every time
Material about thickens 0.03-0.05mm, and after brushing, product is placed in the room of 25 ± 5 DEG C of temperature, relative humidity less than 65%
Naturally dry, the time is 15 minutes, then the product of naturally dry is placed in 120 DEG C of electrical heating casees and toasted 40 minutes, makes coating
It is fully cured, then carries out brushing and solidification next time, so whole coating layer thickness is reached 0.6mm.
5. the step is the brushing polyurethane adiabatic coating in ceramic fiber cloth, each brushing paint about thickens 0.03-
0.05mm, after brushing, product is placed in naturally dry in the room of 25 ± 5 DEG C of temperature, relative humidity less than 65%, time
For 15 minutes, then the product of naturally dry is placed in 120 DEG C of electrical heating casees and toasted 40 minutes, coating is fully cured, then
Brushing and solidification next time is carried out, so whole coating layer thickness is reached 4mm.
7. varnish that the step is sprayed is chlorosulfonated polyethylene varnish, and the protection of lacquer varnish is mounted on into 100-
30-40 minutes are toasted under 120 DEG C of temperature environments, ensure that chlorosulfonated polyethylene is varnish curing.
Using preparation method of the present invention produce it is long when heatproof Low emissivity heat shroud, it is easy for installation, shaping coordinate
Property it is good, protection effect is stable, can be kept for 520 seconds under 130-135 DEG C of environment temperatures, and heat shroud inner wall temperature be less than 60
DEG C, or under 20-40kw/m2 heat-flux conditions, kept for 800 seconds, heat shroud inner wall temperature is less than 70 DEG C.
Brief description of the drawings
Fig. 1 is the structural representation of the heat shroud of heatproof Low emissivity when the present invention is long.
Embodiment
As shown in figure 1, the present invention on it is long when heatproof Low emissivity the preferred embodiment of heat shroud be：Thick by 0.3mm
The bottom that heat shroud is made in high-temperature heat insulation cloth 2 is wrapped on mould 1, and the high-temperature heat insulation cloth 2 has in the corner of instrument and meter
Overlap edge, the polyurethane adiabatic dope layer 3 that continuous, thickness is 0.5-0.7mm is painted with the outer surface of high-temperature heat insulation cloth 2,
Have a ceramic fiber cloth 4 in the external pasting of polyurethane adiabatic dope layer 3, the outer surface of the ceramic fiber cloth 4 be also painted with it is continuous,
Thickness is 3.8-4.2mm polyurethane adiabatic dope layer 5, the polyurethane adiabatic dope layer 5 is outer and the spraying of the end face of heat shroud
There is layer of varnish 6, have aluminium foil composite adiabatic film 7 in the external pasting of layer of varnish 6, the heat shroud is provided with stop hole and lacing hole,
Running through in the lacing hole has stainless steel glass cord.
The present invention on it is long when heatproof Low emissivity the preparation method of heat shroud comprise the following steps that：
（1）Make mould
Instrument, instrument, the size drawing of equipment that need to be protected by the offer of Customer design department, according to drawing processing mold；
（2）High-strength high-temperature adiabatic cloth is cut by mould expanded view
High-strength high-temperature adiabatic cloth is cut by mould expanded view, chooses the best alternatives, controls the generation of fifth wheel；
（3）Lap-joint's brushing bonded adhesives
A is pressed with 504 seccotines:B=2：1 be well mixed in 25 DEG C of temperature environments keep 10-15 minutes after brush high-strength
The lap-joint of high-temperature heat insulation cloth is spent, lap-joint is away from back gauge 15mm；
（4）It is overmolded on mould
After high-strength high-temperature adiabatic cloth is coated well on mould, fixed with transparent adhesive tape and drawing pin；
（5）Brush coating
With palm fiber brush on high-strength high-temperature adiabatic cloth brushing polyurethane adiabatic coating, it is ensured that without current mark, brushed according to each
Coating about thickens 0.03-0.05mm；
（6）Dry
After brushing, product is placed in temperature as naturally dry in 25 ± 5 DEG C, room of the relative humidity less than 65%, when
Between be 15 minutes；
（7）Baking-curing
The product of naturally dry is placed in 120 DEG C of electrical heating casees and toasted 40 minutes, product is fully cured, avoids because of year
Phenomenon is glued in hair tonic of limiting the production；Step（5）-（7）Repeatedly, the gross thickness of polyurethane adiabatic dope layer is made to reach 0.6mm；
（8）Finishing, cleaning
Product surfaces externally and internally is surface-treated, rejects fifth wheel；
（9）The cutting and paste of ceramic fiber cloth
504 glue component As and B component are pressed 2：Diluted after 1 mixing with solvent, 504 glue are 1 with weight of solvent ratio：5, in temperature
After spending to place 10-15 minutes under the conditions of 25 ± 2 DEG C, relative humidity≤65%, 504 glue of latting drown are coated on heat shroud, then
The insulation material for cutting completion is pasted on heat shroud；
（10）Brushing paint
With palm fiber brush in ceramic fiber cloth brushing polyurethane adiabatic coating, it is ensured that without current mark, according to each brushing paint about
Thicken 0.03-0.05mm；
（11）Dry
After brushing, product is placed in temperature as naturally dry in 25 ± 5 DEG C, room of the relative humidity less than 65%, when
Between be 15 minutes；
（12）Baking-curing
The product of naturally dry is placed in 120 DEG C of electrical heating casees and toasted 40 minutes, product is fully cured, avoids because of year
Phenomenon is glued in hair tonic of limiting the production；Step（10）-（12）Repeatedly, the gross thickness of polyurethane adiabatic dope layer is made to reach 4mm；
（13）According to drawing requirement setting-out, given size is cut to, stop hole and wire rope handling are rushed in predetermined portion according to drawing
Hole, crack；
（14）Chlorosulfonated polyethylene varnish is sprayed, using its preferable resistance, corrosion of the steam to product is prevented, ensures
Under 5 years particular surroundings, product is not tacky；
（15）At a temperature of 100-120 DEG C, baking 30-40min ensures that chlorosulfonated polyethylene is varnish curing；
（16）Aluminium foil composite adiabatic film is pasted on layer of varnish；
（17）Run through lacing hole with stainless steel glass cord by drawing, long position binding is agglomerating, solves during installation
Open.
Claims (4)
1. the preparation method of the heat shroud of heatproof Low emissivity when a kind of long, it is characterised in that comprise the following steps that：
1. make mould；
2. the bottom of heat shroud is made of high-temperature heat insulation cloth according to mould；
3. in the outside brushing adiabatic coating and baking-curing of high-temperature heat insulation cloth；
4. the pasted with ceramic veneer fiber cloth on the adiabatic coating layer of high-temperature heat insulation cloth；
5. in the outside brushing adiabatic coating and baking-curing of ceramic fiber cloth；
6. stop hole and lacing hole are rushed in heat shroud predetermined portion according to drawing, is cracked；
7. outside the adiabatic coating layer of ceramic fiber cloth and heat shroud end face lacquer varnish and baking-curing；
8. aluminium foil composite adiabatic film is pasted on layer of varnish；
9. run through lacing hole with stainless steel glass cord.
2. the preparation method of heat shroud according to claim 1, it is characterised in that：3. the step is in high-temperature heat insulation cloth
Outer surface with palm fiber brush brush polyurethane adiabatic coating, each brushing paint thickens 0.03-0.05mm, after brushing, will
Product is placed in naturally dry in the room of 25 ± 5 DEG C of temperature, relative humidity less than 65%, and the time is 15 minutes, then by naturally dry
Product be placed in 120 DEG C of electrical heating casees and toast 40 minutes, coating is fully cured, then carries out brushing next time and solid
Change, so whole coating layer thickness is reached 0.6mm.
3. the preparation method of heat shroud according to claim 1, it is characterised in that：5. the step is in ceramic fiber cloth
Upper brushing polyurethane adiabatic coating, each brushing paint thickens 0.003-0.005mm, and after brushing, product is placed in into temperature
25 ± 5 DEG C, naturally dry in room of the relative humidity less than 65%, the time is 15 minutes, then the product of naturally dry is placed in
Toasted 40 minutes in 120 DEG C of electrical heating casees, coating is fully cured, then carry out brushing and solidification next time, so repeated
Whole coating layer thickness is repeatedly set to reach 4mm.
4. the preparation method of heat shroud according to claim 1, it is characterised in that：7. varnish that the step is sprayed is
Chlorosulfonated polyethylene varnish, the protection of lacquer varnish is mounted on baking 30-40 minutes under 100-120 DEG C of temperature environment, ensured
Chlorosulfonated polyethylene is varnish curing.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510096594.5A CN104653949B (en) | 2015-03-05 | 2015-03-05 | Heat shroud of heatproof Low emissivity and preparation method thereof when a kind of long |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510096594.5A CN104653949B (en) | 2015-03-05 | 2015-03-05 | Heat shroud of heatproof Low emissivity and preparation method thereof when a kind of long |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN104653949A CN104653949A (en) | 2015-05-27 |
| CN104653949B true CN104653949B (en) | 2017-11-28 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201510096594.5A Active CN104653949B (en) | 2015-03-05 | 2015-03-05 | Heat shroud of heatproof Low emissivity and preparation method thereof when a kind of long |
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Families Citing this family (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105774055A (en) * | 2016-04-01 | 2016-07-20 | 湖南星鑫航天新材料股份有限公司 | Double-type two-layer composite heat-proof jacket and production method thereof |
| CN105835495A (en) * | 2016-04-01 | 2016-08-10 | 湖南星鑫航天新材料股份有限公司 | Phase-change energy-storage flexible lightweight composite heat shroud and manufacturing method thereof |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP6094088B2 (en) * | 2012-08-08 | 2017-03-15 | 大日本印刷株式会社 | Laminate for vacuum insulation |
| CN203463868U (en) * | 2013-06-27 | 2014-03-05 | 陕西盟创纳米新型材料股份有限公司 | Composite protective cover |
| CN204136501U (en) * | 2014-04-28 | 2015-02-04 | 昆山市源海塑胶制品有限公司 | A kind of full Obstruct membrane and vacuum intercept chamber/bag entirely |
| CN104354336A (en) * | 2014-11-07 | 2015-02-18 | 衡阳星鑫航天新材料有限公司 | High-temperature resistant dual-layer shielding compound heatproof sleeve and production method thereof |
| CN204554239U (en) * | 2015-03-05 | 2015-08-12 | 湖南星鑫航天新材料股份有限公司 | A kind of long time heatproof Low emissivity heat shroud |
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- 2015-03-05 CN CN201510096594.5A patent/CN104653949B/en active Active
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| CN104653949A (en) | 2015-05-27 |
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