CN104653949A - Insulated sleeve with long-term temperature resistance and low radiation and manufacturing method thereof - Google Patents
Insulated sleeve with long-term temperature resistance and low radiation and manufacturing method thereof Download PDFInfo
- Publication number
- CN104653949A CN104653949A CN201510096594.5A CN201510096594A CN104653949A CN 104653949 A CN104653949 A CN 104653949A CN 201510096594 A CN201510096594 A CN 201510096594A CN 104653949 A CN104653949 A CN 104653949A
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- Prior art keywords
- coating layer
- insulated
- temperature
- adiabatic
- adiabatic coating
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Classifications
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- 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
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- 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 an insulated sleeve with long-term temperature resistance and low radiation. The insulated sleeve is provided with an insulated sleeve bottom layer made of a high-temperature insulated fabric; the high-temperature insulated fabric is provided with an overlapping edge at the corner of an instrument; the external surface of the high-temperature insulated fabric is coated with a continuous insulated coating layer; a ceramic fiber fabric is glued at the exterior of the insulated coating layer; the external surface of the ceramic fiber fabric is also coated with a continuous insulated coating layer, and the exterior of the insulated coating layer and the end surface of the insulated sleeve are sprayed with lacquer coatings; aluminum foil composite insulated films are glued at the exteriors of the lacquer coatings. A manufacturing method of the insulated sleeve comprises the following steps: manufacturing the insulated sleeve bottom layer by use of the high-temperature insulated fabric, painting an insulated coating, and baking for solidification; gluing the ceramic fiber fabric, painting an insulated coating on the outer surface of the ceramic fiber fabric, and baking for solidification; spraying varnish on the exterior of the insulated coating layer and the end surface of the insulated sleeve, and baking for solidification; and gluing the aluminum foil composite insulated films on the lacquer coatings. The insulated sleeve is convenient to install, good in molding cooperation and stable in protection effect.
Description
Technical field
The present invention relates to heat shroud of a kind of equipment such as instrument, instrument when being in long on aerospace craft under heatproof or Low emissivity hot-fluid state of the art condition and preparation method thereof.
Background technique
At present; mostly adopting the wrapped method of multilayer to protect instrument, instrumentation for the heat insulation material of heatproof Low emissivity condition space flight instrument, instrumentation time long, there is the shortcomings such as frock inconvenience, shaping conformability is bad, protection effect is unstable in this technology.Wrapped fado adopts high-temperature heat insulation cloth to carry out 1/2 scrap (bridge) method and is wound around, and comparatively consuming time comparatively speaking, can produce fifth wheel during winding and gain in weight, in flight course, the heat insulation material of privileged sites exists loose risk under certain frequency.
Summary of the invention
The technical problem to be solved in the present invention be to provide a kind of long time heatproof or the heat shroud and preparation method thereof of Low emissivity.
For solving the problems of the technologies described above, the present invention about the technological scheme of the heat shroud of heatproof Low emissivity time long is: it makes the bottom of heat shroud by high-temperature heat insulation cloth, described high-temperature heat insulation cloth has overlap edge in the corner of instrument and apparatus, be coated with at the outer surface of high-temperature heat insulation cloth and be brushed with continuous print adiabatic coating layer, ceramic fiber cloth is had at adiabatic coating layer external pasting, the outer surface of described ceramic fiber cloth is also coated with and is brushed with continuous print adiabatic coating layer, end face that is outer at this adiabatic coating layer and heat shroud is coated with layer of varnish, has aluminium foil composite adiabatic film at this layer of varnish external pasting.
Further, described heat shroud is provided with stop hole and lacing hole, and running through in described lacing hole has stainless steel glass cord.
Preferably, described high-temperature heat insulation cloth thickness is 0.3mm, and the thickness of the adiabatic coating layer on described high-temperature heat insulation cloth is 0.5-0.7mm; The thickness of the adiabatic coating layer in described ceramic fiber cloth is 3.8-4.2mm.
Preferably, described adiabatic coating layer is polyurethane adiabatic coating layer.
The present invention, about the making method of the heat shroud of heatproof Low emissivity time long, comprises following process step: 1. make mould; 2. make the bottom of heat shroud of high-temperature heat insulation cloth according to mould; 3. at the outside brushing adiabatic coating of high-temperature heat insulation cloth and baking-curing; 4. pasted with ceramic veneer fibre cloth on the adiabatic coating layer of high-temperature heat insulation cloth; 5. at the outside brushing adiabatic coating of ceramic fiber cloth and baking-curing; 6. rush stop hole and lacing hole according to drawing in heat shroud predetermined portion, crack; 7. the end face lacquer varnish of and heat shroud outer at the adiabatic coating layer of ceramic fiber cloth baking-curing; 8. on layer of varnish, paste aluminium foil composite adiabatic film; 9. lacing hole is run through with stainless steel glass cord.
3. described step is brush brush polyurethane adiabatic coating at the outer surface palm fiber of high-temperature heat insulation cloth, each brushing paint about thickens 0.03-0.05mm, after brushing, product is placed in temperature 25 ± 5 DEG C, relative moisture dries naturally lower than in the room of 65%, time is 15 minutes, then the product naturally dried is placed in 120 DEG C of electric heating case bakings 40 minutes, and coating is solidified completely, then carry out brushing next time and solidification, so repeatedly make whole coating thickness reach 0.6mm.
5. described step is brushing polyurethane adiabatic coating in ceramic fiber cloth, each brushing paint about thickens 0.03-0.05mm, after brushing, product is placed in temperature 25 ± 5 DEG C, relative moisture dries naturally lower than in the room of 65%, time is 15 minutes, then the product naturally dried is placed in 120 DEG C of electric heating case bakings 40 minutes, and coating is solidified completely, then carry out brushing next time and solidification, so repeatedly make whole coating thickness reach 4mm.
The varnish that described step is 7. sprayed is chlorosulfonated polyethylene varnish, toasts 30-40 minute under the protecting cover of lacquer varnish being placed on 100-120 DEG C of temperature environment, ensures that chlorosulfonated polyethylene is varnish curing.
Adopt making method of the present invention to produce long time heatproof Low emissivity heat shroud, easy for installation, shaping conformability is good, protection effect is stablized, can keep 520 seconds under 130-135 DEG C of ambient temperatures, and heat shroud inner wall temperature is lower than 60 DEG C, or under 20-40kw/m2 heat-flux conditions, keep 800 seconds, heat shroud inner wall temperature is lower than 70 DEG C.
Accompanying drawing explanation
Fig. 1 be the present invention long time heatproof Low emissivity the structural representation of heat shroud.
Embodiment
As shown in Figure 1, the present invention about the preferred embodiment of the heat shroud of heatproof Low emissivity time long is: the bottom being made up heat shroud of the high-temperature heat insulation cloth 2 that 0.3mm is thick is wrapped on mould 1, described high-temperature heat insulation cloth 2 has overlap edge in the corner of instrument and apparatus, be coated with at the outer surface of high-temperature heat insulation cloth 2 and be brushed with continuous print, thickness is the polyurethane adiabatic coating layer 3 of 0.5-0.7mm, ceramic fiber cloth 4 is had at polyurethane adiabatic coating layer 3 external pasting, the outer surface of described ceramic fiber cloth 4 is also coated with and is brushed with continuous print, thickness is the polyurethane adiabatic coating layer 5 of 3.8-4.2mm, end face that is outer at this polyurethane adiabatic coating layer 5 and heat shroud is coated with layer of varnish 6, aluminium foil composite adiabatic film 7 is had at this layer of varnish 6 external pasting, described heat shroud is provided with stop hole and lacing hole, run through in described lacing hole and have stainless steel glass cord.
The present invention comprises following process step about the making method of the heat shroud of heatproof Low emissivity time long:
(1) mould is made
By Customer design department provide need protect instrument, instrument, equipment size drawing, according to drawing processing mold;
(2) high-strength high-temperature adiabatic cloth presses the cutting of mould unfolded drawing
By mould unfolded drawing cutting high-strength high-temperature adiabatic cloth, choose the best alternatives, control the generation of fifth wheel;
(3) lap-joint's brushing adhesive glue
With 504 mighty bonds by A:B=2:1 mix in 25 DEG C of temperature environments, keep 10-15 minute after brush lap-joint at high-strength high-temperature adiabatic cloth, lap-joint is apart from back gauge 15mm;
(4) Overmolded on mould
By high-strength high-temperature adiabatic cloth on mould coated good after, fix with transparent adhesive tape and drawing pin;
(5) brush coating
With palm fiber brush brushing polyurethane adiabatic coating on high-strength high-temperature adiabatic cloth, guarantee without current mark, about thicken 0.03-0.05mm according to each brushing paint;
(6) dry
After brushing, product is placed in temperature is 25 ± 5 DEG C, relative moisture is dried naturally lower than in the room of 65%, the time is 15 minutes;
(7) baking-curing
Naturally the product dried is placed in 120 DEG C of electric heating case bakings 40 minutes, product is solidified completely, avoid because the time limit produces the phenomenon that is clamminess; Step (5)-(7) repeatedly, make the total thickness of polyurethane adiabatic coating layer reach 0.6mm;
(8) repair, clean
Surface treatment is carried out to product inner and outer surface, rejects fifth wheel;
(9) cutting of ceramic fiber cloth and sticky note
504 glue component A are mixed rear and solvent dilution with B component by 2:1,504 glue and weight of solvent are than being 1:5, temperature be 25 ± 2 DEG C, place 10-15 minute under relative moisture≤65% condition after, 504 glue of latting drown are coated on heat shroud, then thermal insulating material cutting completed pastes on heat shroud;
(10) brushing paint
With palm fiber brush brushing polyurethane adiabatic coating in ceramic fiber cloth, guarantee without current mark, about thicken 0.03-0.05mm according to each brushing paint;
(11) dry
After brushing, product is placed in temperature is 25 ± 5 DEG C, relative moisture is dried naturally lower than in the room of 65%, the time is 15 minutes;
(12) baking-curing
Naturally the product dried is placed in 120 DEG C of electric heating case bakings 40 minutes, product is solidified completely, avoid because the time limit produces the phenomenon that is clamminess; Step (10)-(12) repeatedly, make the total thickness of polyurethane adiabatic coating layer reach 4mm;
(13) according to drawing requirement setting-out, be cut to given size, rush stop hole and lacing hole according to drawing in predetermined portion, crack;
(14) spray chlorosulfonated polyethylene varnish, utilize its good resistance, stop steam to the corrosion of product, ensure that product is not clamminess under 5 years particular surroundingss;
(15) at 100-120 DEG C of temperature, baking 30-40min ensures that chlorosulfonated polyethylene is varnish curing;
(16) on layer of varnish, paste aluminium foil composite adiabatic film;
(17) run through lacing hole with stainless steel glass cord by drawing, long position binding is agglomerating, unties during installation.
Claims (9)
1. one kind long time heatproof Low emissivity heat shroud, it makes the bottom of heat shroud by high-temperature heat insulation cloth, it is characterized in that: described high-temperature heat insulation cloth has overlap edge in the corner of instrument and apparatus, be coated with at the outer surface of high-temperature heat insulation cloth and be brushed with continuous print adiabatic coating layer, ceramic fiber cloth is had at adiabatic coating layer external pasting, the outer surface of described ceramic fiber cloth is also coated with and is brushed with continuous print adiabatic coating layer, end face that is outer at this adiabatic coating layer and heat shroud is coated with layer of varnish, has aluminium foil composite adiabatic film at this layer of varnish external pasting.
2. according to claim 1 long time heatproof Low emissivity heat shroud, it is characterized in that: described heat shroud is provided with stop hole and lacing hole, running through in described lacing hole has stainless steel glass cord.
3. according to claim 1 and 2 long time heatproof Low emissivity heat shroud, it is characterized in that: described high-temperature heat insulation cloth thickness is 0.3mm, the thickness of the adiabatic coating layer on described high-temperature heat insulation cloth is 0.5-0.7mm; The thickness of the adiabatic coating layer in described ceramic fiber cloth is 3.8-4.2mm.
4. according to claim 1 and 2 long time heatproof Low emissivity heat shroud, it is characterized in that: described adiabatic coating layer is polyurethane adiabatic coating layer.
5. according to claim 3 long time heatproof Low emissivity heat shroud, it is characterized in that: described adiabatic coating layer is polyurethane adiabatic coating layer.
6. a making method for the heat shroud of heatproof Low emissivity time long, is characterized in that comprising following process step:
1. mould is made;
2. make the bottom of heat shroud of high-temperature heat insulation cloth according to mould;
3. at the outside brushing adiabatic coating of high-temperature heat insulation cloth and baking-curing;
4. pasted with ceramic veneer fibre cloth on the adiabatic coating layer of high-temperature heat insulation cloth;
5. at the outside brushing adiabatic coating of ceramic fiber cloth and baking-curing;
6. rush stop hole and lacing hole according to drawing in heat shroud predetermined portion, crack;
7. the end face lacquer varnish of and heat shroud outer at the adiabatic coating layer of ceramic fiber cloth baking-curing;
8. on layer of varnish, paste aluminium foil composite adiabatic film;
9. lacing hole is run through with stainless steel glass cord.
7. the making method of heat shroud according to claim 6, it is characterized in that: 3. described step is brush brush polyurethane adiabatic coating at the outer surface palm fiber of high-temperature heat insulation cloth, each brushing paint about thickens 0.03-0.05mm, after brushing, product is placed in temperature 25 ± 5 DEG C, relative moisture is dried naturally lower than in the room of 65%, time is 15 minutes, again the product naturally dried is placed in 120 DEG C of electric heating case bakings 40 minutes, coating is solidified completely, then brushing next time and solidification is carried out, so whole coating thickness is repeatedly made to reach 0.6mm.
8. the making method of heat shroud according to claim 6, it is characterized in that: 5. described step is brushing polyurethane adiabatic coating in ceramic fiber cloth, each brushing paint about thickens 0.003-0.005mm, after brushing, product is placed in temperature 25 ± 5 DEG C, relative moisture dries naturally lower than in the room of 65%, time is 15 minutes, again the product naturally dried is placed in 120 DEG C of electric heating case bakings 40 minutes, coating is solidified completely, then carry out brushing next time and solidification, so repeatedly make whole coating thickness reach 4mm.
9. the making method of heat shroud according to claim 6, it is characterized in that: the varnish that described step is 7. sprayed is chlorosulfonated polyethylene varnish, toast 30-40 minute under the protecting cover of lacquer varnish being placed on 100-120 DEG C of temperature environment, ensure that 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 true CN104653949A (en) | 2015-05-27 |
| CN104653949B CN104653949B (en) | 2017-11-28 |
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| 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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Cited By (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 |
Citations (5)
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| JP2014035007A (en) * | 2012-08-08 | 2014-02-24 | Dainippon Printing Co Ltd | Laminate for vacuum heat insulation material |
| 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 |
-
2015
- 2015-03-05 CN CN201510096594.5A patent/CN104653949B/en active Active
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2014035007A (en) * | 2012-08-08 | 2014-02-24 | Dainippon Printing Co Ltd | Laminate for vacuum heat insulation material |
| 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 |
Cited By (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 | Publication date |
|---|---|
| CN104653949B (en) | 2017-11-28 |
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