CN107303922A - A kind of integral structure refrigerator carriage and preparation method thereof - Google Patents
A kind of integral structure refrigerator carriage and preparation method thereof Download PDFInfo
- Publication number
- CN107303922A CN107303922A CN201610280095.6A CN201610280095A CN107303922A CN 107303922 A CN107303922 A CN 107303922A CN 201610280095 A CN201610280095 A CN 201610280095A CN 107303922 A CN107303922 A CN 107303922A
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- exterior skin
- sio
- glass fibre
- surface layer
- carriage
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- 238000002360 preparation method Methods 0.000 title claims abstract description 10
- 239000003365 glass fiber Substances 0.000 claims abstract description 36
- 238000009413 insulation Methods 0.000 claims abstract description 28
- 239000002344 surface layer Substances 0.000 claims abstract description 27
- 239000010410 layer Substances 0.000 claims abstract description 25
- 239000004964 aerogel Substances 0.000 claims abstract description 23
- 239000000463 material Substances 0.000 claims abstract description 11
- 239000011521 glass Substances 0.000 claims abstract description 8
- 238000003466 welding Methods 0.000 claims abstract description 8
- VYPSYNLAJGMNEJ-UHFFFAOYSA-N Silicium dioxide Chemical compound O=[Si]=O VYPSYNLAJGMNEJ-UHFFFAOYSA-N 0.000 claims description 20
- MUBZPKHOEPUJKR-UHFFFAOYSA-N Oxalic acid Chemical compound OC(=O)C(O)=O MUBZPKHOEPUJKR-UHFFFAOYSA-N 0.000 claims description 12
- 229910052681 coesite Inorganic materials 0.000 claims description 12
- 229910052906 cristobalite Inorganic materials 0.000 claims description 12
- 239000000377 silicon dioxide Substances 0.000 claims description 12
- 229910052682 stishovite Inorganic materials 0.000 claims description 12
- 229910052905 tridymite Inorganic materials 0.000 claims description 12
- 230000015572 biosynthetic process Effects 0.000 claims description 8
- VLKZOEOYAKHREP-UHFFFAOYSA-N n-Hexane Chemical compound CCCCCC VLKZOEOYAKHREP-UHFFFAOYSA-N 0.000 claims description 8
- 239000000203 mixture Substances 0.000 claims description 6
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Chemical compound O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims description 6
- 230000032683 aging Effects 0.000 claims description 5
- 239000006260 foam Substances 0.000 claims description 5
- 239000010935 stainless steel Substances 0.000 claims description 5
- 229910001220 stainless steel Inorganic materials 0.000 claims description 5
- 239000004593 Epoxy Substances 0.000 claims description 4
- LFQSCWFLJHTTHZ-UHFFFAOYSA-N Ethanol Chemical compound CCO LFQSCWFLJHTTHZ-UHFFFAOYSA-N 0.000 claims description 4
- 235000011114 ammonium hydroxide Nutrition 0.000 claims description 4
- 239000002131 composite material Substances 0.000 claims description 4
- 239000008367 deionised water Substances 0.000 claims description 4
- 229910021641 deionized water Inorganic materials 0.000 claims description 4
- 239000007789 gas Substances 0.000 claims description 4
- 235000006408 oxalic acid Nutrition 0.000 claims description 4
- 238000003786 synthesis reaction Methods 0.000 claims description 4
- VHUUQVKOLVNVRT-UHFFFAOYSA-N Ammonium hydroxide Chemical compound [NH4+].[OH-] VHUUQVKOLVNVRT-UHFFFAOYSA-N 0.000 claims description 2
- 230000007062 hydrolysis Effects 0.000 claims description 2
- 238000006460 hydrolysis reaction Methods 0.000 claims description 2
- 239000002184 metal Substances 0.000 claims 1
- 230000000694 effects Effects 0.000 abstract description 7
- 229910000831 Steel Inorganic materials 0.000 abstract description 2
- 239000010959 steel Substances 0.000 abstract description 2
- 238000005187 foaming Methods 0.000 description 6
- XKRFYHLGVUSROY-UHFFFAOYSA-N Argon Chemical compound [Ar] XKRFYHLGVUSROY-UHFFFAOYSA-N 0.000 description 4
- 239000000853 adhesive Substances 0.000 description 4
- 230000001070 adhesive effect Effects 0.000 description 4
- 238000006243 chemical reaction Methods 0.000 description 4
- 238000004519 manufacturing process Methods 0.000 description 4
- 238000003860 storage Methods 0.000 description 4
- 238000010276 construction Methods 0.000 description 3
- 238000002347 injection Methods 0.000 description 3
- 239000007924 injection Substances 0.000 description 3
- 229920002635 polyurethane Polymers 0.000 description 3
- 239000004814 polyurethane Substances 0.000 description 3
- 239000011241 protective layer Substances 0.000 description 3
- 239000000243 solution Substances 0.000 description 3
- BOTDANWDWHJENH-UHFFFAOYSA-N Tetraethyl orthosilicate Chemical compound CCO[Si](OCC)(OCC)OCC BOTDANWDWHJENH-UHFFFAOYSA-N 0.000 description 2
- 229910052786 argon Inorganic materials 0.000 description 2
- 230000001413 cellular effect Effects 0.000 description 2
- 238000005516 engineering process Methods 0.000 description 2
- 238000009415 formwork Methods 0.000 description 2
- 238000009434 installation Methods 0.000 description 2
- 238000000034 method Methods 0.000 description 2
- 230000010410 reperfusion Effects 0.000 description 2
- 239000011347 resin Substances 0.000 description 2
- 229920005989 resin Polymers 0.000 description 2
- 238000007711 solidification Methods 0.000 description 2
- 230000008023 solidification Effects 0.000 description 2
- 229910000838 Al alloy Inorganic materials 0.000 description 1
- 239000004568 cement Substances 0.000 description 1
- 235000020965 cold beverage Nutrition 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000013461 design Methods 0.000 description 1
- 238000011161 development Methods 0.000 description 1
- 230000018109 developmental process Effects 0.000 description 1
- 239000003814 drug Substances 0.000 description 1
- 150000002148 esters Chemical class 0.000 description 1
- 238000002474 experimental method Methods 0.000 description 1
- 239000011152 fibreglass Substances 0.000 description 1
- 235000013305 food Nutrition 0.000 description 1
- 230000008014 freezing Effects 0.000 description 1
- 238000007710 freezing Methods 0.000 description 1
- 239000012774 insulation material Substances 0.000 description 1
- 235000013372 meat Nutrition 0.000 description 1
- 239000003094 microcapsule Substances 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 229920000768 polyamine Polymers 0.000 description 1
- 238000005057 refrigeration Methods 0.000 description 1
- 238000007634 remodeling Methods 0.000 description 1
- 238000011160 research Methods 0.000 description 1
- 235000014102 seafood Nutrition 0.000 description 1
- 239000011232 storage material Substances 0.000 description 1
- 230000009466 transformation Effects 0.000 description 1
- 229960005486 vaccine Drugs 0.000 description 1
- 235000013311 vegetables Nutrition 0.000 description 1
Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B62—LAND VEHICLES FOR TRAVELLING OTHERWISE THAN ON RAILS
- B62D—MOTOR VEHICLES; TRAILERS
- B62D33/00—Superstructures for load-carrying vehicles
- B62D33/04—Enclosed load compartments ; Frameworks for movable panels, tarpaulins or side curtains
- B62D33/048—Enclosed load compartments ; Frameworks for movable panels, tarpaulins or side curtains for refrigerated goods vehicles
-
- 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
- B32B15/04—Layered products comprising a layer of metal comprising metal as the main or only constituent of a layer, which is next to another layer of the same or of a different material
- B32B15/08—Layered products comprising a layer of metal comprising metal as the main or only constituent of a layer, which is next to another layer of the same or of a different material of synthetic resin
-
- 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
- B32B15/18—Layered products comprising a layer of metal comprising iron or steel
-
- 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
- B32B3/00—Layered products comprising a layer with external or internal discontinuities or unevennesses, or a layer of non-planar form; Layered products having particular features of form
- B32B3/02—Layered products comprising a layer with external or internal discontinuities or unevennesses, or a layer of non-planar form; Layered products having particular features of form characterised by features of form at particular places, e.g. in edge regions
- B32B3/08—Layered products comprising a layer with external or internal discontinuities or unevennesses, or a layer of non-planar form; Layered products having particular features of form characterised by features of form at particular places, e.g. in edge regions characterised by added members at particular parts
-
- 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
- B32B33/00—Layered products characterised by particular properties or particular surface features, e.g. particular surface coatings; Layered products designed for particular purposes not covered by another single class
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60P—VEHICLES ADAPTED FOR LOAD TRANSPORTATION OR TO TRANSPORT, TO CARRY, OR TO COMPRISE SPECIAL LOADS OR OBJECTS
- B60P3/00—Vehicles adapted to transport, to carry or to comprise special loads or objects
- B60P3/20—Refrigerated goods vehicles
-
- 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
- B32B2260/00—Layered product comprising an impregnated, embedded, or bonded layer wherein the layer comprises an impregnation, embedding, or binder material
- B32B2260/02—Composition of the impregnated, bonded or embedded layer
- B32B2260/021—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
- B32B2260/00—Layered product comprising an impregnated, embedded, or bonded layer wherein the layer comprises an impregnation, embedding, or binder material
- B32B2260/04—Impregnation, embedding, or binder material
- B32B2260/046—Synthetic resin
-
- 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
- B32B2307/50—Properties of the layers or laminate having particular mechanical properties
-
- 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
- B32B2307/50—Properties of the layers or laminate having particular mechanical properties
- B32B2307/558—Impact strength, toughness
Landscapes
- Engineering & Computer Science (AREA)
- Physics & Mathematics (AREA)
- Thermal Sciences (AREA)
- Transportation (AREA)
- Mechanical Engineering (AREA)
- Chemical & Material Sciences (AREA)
- Combustion & Propulsion (AREA)
- Health & Medical Sciences (AREA)
- Public Health (AREA)
- Thermal Insulation (AREA)
- Refrigerator Housings (AREA)
Abstract
A kind of integral structure refrigerator carriage, it is characterised in that the refrigerator carriage is made up of metallic framework, exterior skin, inside panel and middle sandwiched thermal insulation layer.Each skeleton is linked to be entirety according to the welding of " work " type and assembled again with exterior skin, is connected firmly；Heat-insulation layer is the SiO using glass fibre as carrier2Aerogel blanket, good heat-insulation effect；While the glass steel material that interior exterior skin is used, high-strength light, thermal conductivity factor is low, heat-proof quality is excellent, and interior exterior skin is constituted by left side surface layer, top coat, right side surface layer, bottom surface layer and front layer, and each correspondence surface layer is in parallel, is separated by setting.The invention also discloses a kind of preparation method of integral structure refrigerator carriage, it is characterised in that comprises the following steps：(1) each skeleton is linked to be entirety according to the welding of " work " type, assembled with exterior skin；(2) compartment is lifted integral；(3) aeroge is directly synthesized in thermal insulation layer；(4) entrucking railway carriage or compartment inside panel.
Description
Technical field
The present invention relates to a kind of refrigerator carriage and preparation method thereof, more particularly to a kind of integral structure refrigerator carriage and its preparation
Method.
Background technology
Cold storage truck is a kind of instrument for mobile automobile and commercial display cases being applied to Refrigerated Transport industry, is widely used at present
The fresh-keeping storing and transporting and medicine of the food such as meat, seafood, vegetables, the freezing Warehousing of guaranteeing the quality of vaccine, enjoy cold drink industry, speed
Freeze the favor of the units such as industry, fishery, restaurant, hotel, scientific research.Nowadays, the production of cold storage truck is with the demand in market
Obtain fast development.At present, the domestic cold storage truck produced can be substantially divided into following 4 kinds by carriage body structure：Monolithic construction,
Divide plate injection foaming structure, " sandwich " structure and totally-enclosed polyurethane sheet block structure.But above-mentioned four kinds of car bodies are deposited
In shortcoming, the metallic framework and its production technology that such as monoblock type loading space has determine its shortcoming for weight is big, cold bridge is more and is incubated
Poor-performing.The foaming object for dividing plate injection foaming structure is plate, although foam-filled density is relatively preferable, but skeleton
It is mostly metallic framework, interior exterior skin is generally aluminium alloy plate, however it remains the defect such as cold bridge is more, poor thermal insulation property." sandwich "
Plate surrounding is not closed, and rainwater easily immerses, and its heat-insulating property is reduced comparatively fast with the passage of time.Totally-enclosed polyamine ester board agllutination
Structure plate is bonded together when being assembled into carriage body with adhesive, but the easy aging of adhesive, and the later stage is present because adhesive loses
Effect, which causes carriage body to bond, loosely causes cold storage effect to reduce.
Application publication number provides a kind of integrated refrigerator car carriage structure and operator for the A of CN 101513851 Chinese patent
Method.Specially：Shrouding before the anterior face of inner protective layer is installed in compartment, the mounting base on the bottom surface of compartment inner protective layer；
Based on bottom plate, inside panel is installed on compartment both sides and top surface, reperfusion space is left between inside panel and protective layer；In compartment
Foaming formwork is built, foaming formwork is fitted with inside panel；The filling polyurethane expanded material into reperfusion space；Installed in compartment mouthful
Shrouding, and back door is installed on rear shrouding afterwards.Although the cold draining problem in this compartment compartment is improved, spelled using plurality of plates
Connect foamed cement to form, manufacturing procedure is complicated, and because expanded material had not only made insulation material but also made adhesive, be also easy to produce and bond not
Jail, heat insulation effect is undesirable, the problem of structural strength of carriage body is relatively low.
Application publication number provides a kind of refrigeration, temperature adjustment car body, its preparation method and application for the A of CN 103010318.It is described
Car body includes the exterior skin carriage body and inside panel carriage body, light sandwich framework material of integral structure and filled with low form phase transformation
The cellular insulant of cool storage material microcapsules, whole compartment is glued by resin solidification and foamable reaction to be formed.This carriage body construction
Simply, manufacture easy, but thermal insulation layer use for the cellular insulant that generally uses, and compartment passes through resin solidification and hair
Bubble reaction splicing is formed, and is easily caused bonding loosely, therefore heat-insulating property is undesirable.
The content of the invention
It is an object of the invention to overcome existing refrigerator carriage mostly using monolithic construction, point plate injection foaming structure, " three
The problems such as Mingzhi " structure and totally-enclosed polyurethane sheet block structure cause that weight is big, cold bridge is more, be bonded loosely with poor thermal insulation property carries
For a kind of integral structure refrigerator carriage, the refrigerator carriage that the present invention is provided uses integral structure in structure, and each skeleton is pressed
According to the welding of " work " type be linked to be it is overall assembled again with exterior skin, be connected firmly, efficiently solve in most compartment splicing due to
The problem of splicing or bonding are loosely produced, while the refrigerator car heat-insulation layer that the present invention is provided is the SiO using glass fibre as carrier2
Aerogel blanket, due in aeroge general 80% above is air, so there is extraordinary effect of heat insulation, and using glass fibre as
Carrier solves aeroge impact resistance and poor toughness, it is difficult to aeroge is transported, the problem of operation and installation, improves
Its use value, while the glass steel material that interior exterior skin is used, high-strength light, thermal conductivity factor is low, heat-proof quality is excellent.
To realize the purpose of the present invention, the technical scheme used is：A kind of integral structure refrigerator carriage, it is characterised in that institute
Refrigerator carriage is stated to be made up of metallic framework, exterior skin, inside panel and middle sandwiched thermal insulation layer.The refrigerator carriage width is
2.42~2.52m, length is 12.8~13.5m, and the metallic framework material is 1Cr18Ni9Ti (321) type stainless steel；In described
Exterior skin is the glass epoxy that thermal conductivity is 1.25~1.67kJ/ (mhK)；The interior exterior skin is by left side surface layer, top surface
Layer, right side surface layer, bottom surface layer and front layer composition, each correspondence surface layer are in parallel, are separated by setting；The thermal insulation layer is with glass
Fiber is the SiO of carrier2Aerogel blanket, and insulation thickness is 50~100mm.
The invention also discloses a kind of preparation method of integral structure refrigerator carriage, it is characterised in that comprises the following steps：
(1) each skeleton is linked to be entirety according to the welding of " work " type, assembled with exterior skin；
(2) compartment is lifted integral；
(3) aeroge is directly synthesized in thermal insulation layer, is specifically the SiO using glass fibre as carrier2Aerogel blanket, wherein SiO2
The tridimensional network that aeroge is interlocked with the hole formation of cotton-shaped gel through glass fibre, the aerogel blanket is by volume ratio
99.1~99.4% SiO2Aeroge and 0.6~0.9% glass fibre are constituted, and specifically the step of synthesis aerogel blanket is：1. will just
Silester, absolute ethyl alcohol, oxalic acid, deionized water in molar ratio 1: (6~9): (0.0008~0.002): (0.4~1.5),
Mix and be sufficiently stirred for, hydrolysis 2h at 20~90 DEG C of temperature；2. the glass fibre cut is put into the consistent mould of size
Have intracavitary, the Ludox system that 1. step obtains is cast in die cavity, submerge glass fibre, add 0.5~1.5mol/L ammonia
Water, DMF, at 45~60 DEG C under confined conditions, stand aging 25h；3. by step 2. in SiO2Gel
- foam composite glass fiber, 1~3h of placement is soaked with n-hexane at normal temperatures and pressures, is handled 4 times repeatedly, then at 90~150 DEG C
Argon gas atmosphere in be heat-treated 2h, make to obtain the SiO using glass fibre as carrier structure after aeroge is stable2Aerogel blanket；
(4) entrucking railway carriage or compartment inside panel.
The present invention is had an advantageous effect in that：1. splice caused by the front compartment splicing that the integral structure used is effectively improved
The problem of loosely caused heat insulation effect is poor, and refrigerator carriage width is 2.42~2.52m, length is that 12.8~13.5m is through excessive
The best proportion that amount simulated experiment is obtained, can make compartment effective area maximum, improve the utilization rate in compartment；2. each skeleton is pressed
It is linked to be entirety according to the welding of " work " type, is connected firmly, and metallic framework material is 1Cr18Ni9Ti (321) type stainless steel, intensity
It is high so that compartment is durable in use；3. heat-insulation layer uses glass fibre for the SiO of carrier2Aerogel blanket, solves aeroge anti-impact
Hitting property and poor toughness, it is difficult to transported to aeroge, the problem of operation and installation, improve its use value；4. it is inside and outside to cover
The glass-reinforced plastic material that skin is used, the characteristics of with high-strength light, and thermal conductivity factor is low, and heat-insulating property is high.
Brief description of the drawings
Fig. 1 is refrigerator car carriage body cross-sectional view
The wherein left side surface layer of the left side surface layer 21- inside panel carriage bodies of reference 11- exterior skins carriage body
The top coat of the top coat 22- inside panel carriage bodies of 12- exterior skin carriage bodies
The right side surface layer of the right side surface layer 23- inside panel carriage bodies of 13- exterior skin carriage bodies
The bottom surface layer of the bottom surface layer 24- inside panel carriage bodies of 14- exterior skin carriage bodies
The front layer 25- of 15- exterior skin carriage bodies and the front layer of inside panel carriage body
Embodiment
With reference to specific embodiment, the present invention is furture elucidated, it should be understood that these embodiments be merely to illustrate the present invention and without
In limitation the scope of the present invention, after the present invention has been read, those skilled in the art repair to the various equivalent form of values of the invention
Change and fall within the application appended claims and limited.
Embodiment 1
A kind of integral structure refrigerator carriage, it is characterised in that the refrigerator carriage by metallic framework, exterior skin, inside panel and
Middle sandwiched thermal insulation layer composition.The refrigerator carriage width is 2.42m, and length is 13.5m, and the metallic framework material is
1Cr18Ni9Ti (321) type stainless steel；The interior exterior skin is the glass epoxy that thermal conductivity is 1.25kJ/ (mhK)；Institute
State interior exterior skin by left side surface layer, top coat, right side surface layer, bottom surface layer and front layer constitute, it is each correspondence surface layer in it is parallel,
It is separated by setting；The thermal insulation layer is the SiO using glass fibre as carrier2Aerogel blanket, and insulation thickness is 50mm.
The invention also discloses a kind of preparation method of integral structure refrigerator carriage, it is characterised in that comprises the following steps：
(1) each skeleton is linked to be entirety according to the welding of " work " type, assembled with exterior skin；
(2) compartment is lifted integral；
(3) aeroge is directly synthesized in thermal insulation layer, is specifically the SiO using glass fibre as carrier2Aerogel blanket, wherein SiO2
The tridimensional network that aeroge is interlocked with the hole formation of cotton-shaped gel through glass fibre, the aerogel blanket is by volume ratio
99.1% SiO2Aeroge and 0.9% glass fibre are constituted, and specifically the step of synthesis aerogel blanket is：1. by tetraethyl orthosilicate,
Absolute ethyl alcohol, oxalic acid, deionized water in molar ratio 1: 9: 0.0008: 0.4, mixes and is sufficiently stirred for, water at 20 DEG C of temperature
Solution reaction 2h；2. the glass fibre cut is put into the consistent mold cavity of size, the Ludox system that 1. step obtains is poured
Note in die cavity, submerge glass fibre, 0.5mol/L ammoniacal liquor, DMF are added, in 45 DEG C of airtight conditions
Under, stand aging 25h；3. by step 2. in SiO2Gel-foam composite glass fiber, is soaked at normal temperatures and pressures with n-hexane
Bubble places 1h, handles 4 times repeatedly, is then heat-treated 2h in 90 DEG C of argon gas atmosphere, makes to obtain with glass after aeroge is stable
Glass fiber is the SiO of carrier structure2Aerogel blanket；
(4) entrucking railway carriage or compartment inside panel.
Embodiment 2
A kind of integral structure refrigerator carriage, it is characterised in that the refrigerator carriage by metallic framework, exterior skin, inside panel and
Middle sandwiched thermal insulation layer composition.The refrigerator carriage width is 2.52m, and length is 12.8m, and the metallic framework material is
1Cr18Ni9Ti (321) type stainless steel；The interior exterior skin is the glass epoxy that thermal conductivity is 1.67kJ/ (mhK)；Institute
State interior exterior skin by left side surface layer, top coat, right side surface layer, bottom surface layer and front layer constitute, it is each correspondence surface layer in it is parallel,
It is separated by setting；The thermal insulation layer is the SiO using glass fibre as carrier2Aerogel blanket, and insulation thickness is 100mm.
The invention also discloses a kind of preparation method of integral structure refrigerator carriage, it is characterised in that comprises the following steps：
(1) each skeleton is linked to be entirety according to the welding of " work " type, assembled with exterior skin；
(2) compartment is lifted integral；
(3) aeroge is directly synthesized in thermal insulation layer, is specifically the SiO using glass fibre as carrier2Aerogel blanket, wherein SiO2
The tridimensional network that aeroge is interlocked with the hole formation of cotton-shaped gel through glass fibre, the aerogel blanket is by volume ratio
99.4% SiO2Aeroge and 0.6% glass fibre are constituted, and specifically the step of synthesis aerogel blanket is：1. by tetraethyl orthosilicate,
Absolute ethyl alcohol, oxalic acid, deionized water in molar ratio 1: 9: 0.002: 1.5, mixes and is sufficiently stirred for, water at 90 DEG C of temperature
Solution reaction 2h；2. the glass fibre cut is put into the consistent mold cavity of size, the Ludox system that 1. step obtains is poured
Note in die cavity, submerge glass fibre, 1.5mol/L ammoniacal liquor, DMF are added, in 60 DEG C of airtight conditions
Under, stand aging 25h；3. by step 2. in SiO2Gel-foam composite glass fiber, is soaked at normal temperatures and pressures with n-hexane
Bubble places 3h, handles 4 times repeatedly, is then heat-treated 2h in 150 DEG C of argon gas atmosphere, makes to obtain with glass after aeroge is stable
Glass fiber is the SiO of carrier structure2Aerogel blanket；
(4) entrucking railway carriage or compartment inside panel.
Two embodiments of the present invention are above are only, but the design concept of the present invention is not limited thereto, it is all to utilize this structure
Think the change to present invention progress unsubstantiality, the behavior for invading the scope of protection of the invention all should be belonged to.In every case it is without departing from this
The content of inventive technique scheme, any type of simple modification made according to technical spirit of the invention to above example, etc.
With change and remodeling, the protection domain of technical solution of the present invention is still fallen within.
Claims (2)
1. a kind of integral structure refrigerator carriage, it is characterised in that the refrigerator carriage by metallic framework, exterior skin, inside panel with
And middle sandwiched thermal insulation layer composition.The refrigerator carriage width is 2.42~2.52m, and length is 12.8~13.5m, the metal
Skeleton material is 1Cr18Ni9Ti (321) type stainless steel；The interior exterior skin is that thermal conductivity is 1.25~1.67kJ/ (mhK)
Glass epoxy；The interior exterior skin is constituted by left side surface layer, top coat, right side surface layer, bottom surface layer and front layer, each right
Surface layer is answered to be in parallel, be separated by setting；The thermal insulation layer is the SiO using glass fibre as carrier2Aerogel blanket, and insulation thickness
For 50~100mm.
2. the invention also discloses a kind of preparation method of integral structure refrigerator carriage, it is characterised in that comprises the following steps：
(1) each skeleton is linked to be entirety according to the welding of " work " type, assembled with exterior skin；
(2) compartment is lifted integral；
(3) aeroge is directly synthesized in thermal insulation layer, is specifically the SiO using glass fibre as carrier2Aerogel blanket, wherein SiO2
The tridimensional network that aeroge is interlocked with the hole formation of cotton-shaped gel through glass fibre, the aerogel blanket is by volume ratio
99.1~99.4% SiO2Aeroge and 0.6~0.9% glass fibre are constituted, and specifically the step of synthesis aerogel blanket is：1. will just
Silester, absolute ethyl alcohol, oxalic acid, deionized water in molar ratio 1: (6~9): (0.0008~0.002): (0.4~1.5),
Mix and be sufficiently stirred for, hydrolysis 2h at 20~90 DEG C of temperature；2. the glass fibre cut is put into the consistent mould of size
Have intracavitary, the Ludox system that 1. step obtains is cast in die cavity, submerge glass fibre, add 0.5~1.5mol/L ammonia
Water, DMF, at 45~60 DEG C under confined conditions, stand aging 25h；3. by step 2. in SiO2Gel
- foam composite glass fiber, 1~3h of placement is soaked with n-hexane at normal temperatures and pressures, is handled 4 times repeatedly, then at 90~150 DEG C
Argon gas atmosphere in be heat-treated 2h, make to obtain the SiO using glass fibre as carrier structure after aeroge is stable2Aerogel blanket；
(4) entrucking railway carriage or compartment inside panel.
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| CN201610280095.6A CN107303922A (en) | 2016-04-22 | 2016-04-22 | A kind of integral structure refrigerator carriage and preparation method thereof |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN110979479A (en) * | 2019-12-19 | 2020-04-10 | 安徽智锐汽车有限公司 | Heat preservation and insulation structure of refrigerator carriage |
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Application publication date: 20171031 |