CN100359272C - Refrigerator and vacuum thermal insulating material and producing method thereof - Google Patents
Refrigerator and vacuum thermal insulating material and producing method thereof Download PDFInfo
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- CN100359272C CN100359272C CNB2005100538392A CN200510053839A CN100359272C CN 100359272 C CN100359272 C CN 100359272C CN B2005100538392 A CNB2005100538392 A CN B2005100538392A CN 200510053839 A CN200510053839 A CN 200510053839A CN 100359272 C CN100359272 C CN 100359272C
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- inorfil aggregate
- inorfil
- useless
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F25—REFRIGERATION OR COOLING; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS; MANUFACTURE OR STORAGE OF ICE; LIQUEFACTION SOLIDIFICATION OF GASES
- F25D—REFRIGERATORS; COLD ROOMS; ICE-BOXES; COOLING OR FREEZING APPARATUS NOT OTHERWISE PROVIDED FOR
- F25D23/00—General constructional features
- F25D23/06—Walls
- F25D23/065—Details
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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
- B32B17/00—Layered products essentially comprising sheet glass, or glass, slag, or like fibres
- B32B17/02—Layered products essentially comprising sheet glass, or glass, slag, or like fibres in the form of fibres or filaments
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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
- F16L59/06—Arrangements using an air layer or vacuum
- F16L59/065—Arrangements using an air layer or vacuum using vacuum
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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
- F16L59/04—Arrangements using dry fillers, e.g. using slag wool which is added to the object to be insulated by pouring, spreading, spraying or the like
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F25—REFRIGERATION OR COOLING; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS; MANUFACTURE OR STORAGE OF ICE; LIQUEFACTION SOLIDIFICATION OF GASES
- F25D—REFRIGERATORS; COLD ROOMS; ICE-BOXES; COOLING OR FREEZING APPARATUS NOT OTHERWISE PROVIDED FOR
- F25D2201/00—Insulation
- F25D2201/10—Insulation with respect to heat
- F25D2201/12—Insulation with respect to heat using an insulating packing material
- F25D2201/126—Insulation with respect to heat using an insulating packing material of cellular type
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F25—REFRIGERATION OR COOLING; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS; MANUFACTURE OR STORAGE OF ICE; LIQUEFACTION SOLIDIFICATION OF GASES
- F25D—REFRIGERATORS; COLD ROOMS; ICE-BOXES; COOLING OR FREEZING APPARATUS NOT OTHERWISE PROVIDED FOR
- F25D2201/00—Insulation
- F25D2201/10—Insulation with respect to heat
- F25D2201/14—Insulation with respect to heat using subatmospheric pressure
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F25—REFRIGERATION OR COOLING; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS; MANUFACTURE OR STORAGE OF ICE; LIQUEFACTION SOLIDIFICATION OF GASES
- F25D—REFRIGERATORS; COLD ROOMS; ICE-BOXES; COOLING OR FREEZING APPARATUS NOT OTHERWISE PROVIDED FOR
- F25D23/00—General constructional features
- F25D23/06—Walls
- F25D23/062—Walls defining a cabinet
- F25D23/064—Walls defining a cabinet formed by moulding, e.g. moulding in situ
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- 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
- Y02B—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO BUILDINGS, e.g. HOUSING, HOUSE APPLIANCES OR RELATED END-USER APPLICATIONS
- Y02B40/00—Technologies aiming at improving the efficiency of home appliances, e.g. induction cooking or efficient technologies for refrigerators, freezers or dish washers
Abstract
In the manufacturing method of the refrigerator in the invention, a new material inorganic fiber assembly 7 is produced in a sheet shape, and a waste material inorganic fiber assembly 6 is produced in a sheet shape using a waste core material formed of the inorganic fiber assembly. The new material inorganic fiber assembly 7 and the waste material inorganic fiber assembly 6 are laminated, and the laminated body is impregnated with a binding material and thermally pressed, thereby binding the laminated body via the binding material, compressing it to a predetermined thickness, and forming a core material 2. Then, the core material 2 is stored in a covering material 1 formed of gas barrier film and evacuated and sealed, thereby producing the vacuum heat insulating material 50. Then, the vacuum heat insulating material 50 is arranged between an outer box and an inner box, and then a foaming heat insulating material 24 is filled into a space between the outer box 22 and the inner box 23 to form a heat insulating body.
Description
Technical field
The present invention relates to use the refrigerator and the vacuum heat insulation materials of vacuum heat insulation materials, and manufacture method.
Background technology
In recent years, from the viewpoint of global warming, propagating the necessity of cutting down the electric energy that household appliances consumed always.Refrigerator is the many especially products of power consumption in the household appliances, and the power consumption of cutting down refrigerator has become the requisite measure of reply global warming.Useful load one timing in refrigerator inside, because the power consumption of refrigerator depends on the efficient that is used to the compressor that cools off in the refrigerator to a great extent, and with heat-insulating property from the relevant heat-insulating material of the heat of refrigerator internal leakage, so, improve the efficient of compressor in the refrigerator, and the performance of raising heat-insulating material is very important.
Therefore, in order to improve the performance of heat-insulating material, begun in refrigerator, to use vacuum heat insulation materials.Refrigerator as in the past use vacuum heat insulation materials has disclosed refrigerator in TOHKEMY 2001-165557 communique (patent documentation 1).Refrigerator in the patent documentation 1, be to coat the core that aggregate constituted with laminal inorfil with the clad material that air-locked film constitutes, make vacuum heat insulation materials after again its inside being vacuumized sealing, this vacuum heat insulation materials is arranged on by in outer case and the formed space of internal box, again filling with foam insulation materials and form adiabatic tank wall around it.
On the other hand, for the heat-insulating material that reclaims refrigerator to realize the resources effective utilization, can consider a foamed thermal insulating of scrapping as vacuum heat insulation materials.In TOHKEMY 2001-349664 communique (patent documentation 2), disclose and used the refrigerator of condemned MAT'L as vacuum heat insulation materials.Employed vacuum heat insulation materials in the refrigerator of this piece patent documentation 2, be the foamed thermal insulating of scrapping to be ground into small powder with air-flow crushing type reducing mechanism, and make its residual hardly independently bubble, make the adiabatic powder of foaming of open-celled structure, then, in the adiabatic powder of this foaming, sneak into adhesives, after this mixture is put into mould and carried out hot forming, just obtain to have the heat-insulating material of the core that the adiabatic powder that foams is bonded together with adhesives.
In the refrigerator of patent documentation 1,, has the advantage that heat-insulating property is good and intensity is high owing to use the core of the aggregate of lamellar inorfil as vacuum heat insulation materials., in patent documentation 1, how the not open relevant information of utilizing the core of the aggregate that the core of scrapping makes lamellar inorfil also exist the problem of efficent use of resources.
In addition, in the refrigerator of patent documentation 2, owing to be that a foamed thermal insulating of scrapping is made after the adiabatic powder of foaming, make the core of vacuum heat insulation materials again, so exist the heat-insulating property that be difficult to obtain as the vacuum heat insulation materials that has used the core that constitutes by the inorfil aggregate and the problem of intensity.In addition, in patent documentation 2, there is not the information of announcement about the discarded object of the core of recovery vacuum heat insulation materials yet.
Also have, the core that constitutes by lamellar inorfil aggregate, be the laminated piece of lamellar inorfil aggregate being counted the lamination layer and being bonded together with adhesives mostly, owing to reasons such as the crest line on its end do not align, so can't be used as core after cutting off.Rim charge after this cut-out is elongated rectangle, can't utilize again, generally all goes out of use.Therefore, also there is the problem that effectively utilizes this rim charge.
Therefore, considered once that rim charge with the inorfil aggregate carried out material clip after the coarse crushing between laminal inorfil aggregate, and added adhesives therein, behind hot forming, made vacuum heat insulation materials., because the core of this vacuum heat insulation materials will carry out hot pressing processing with lamellar inorfil aggregate, thereby, exist bonding the differing between each crushed material to carry out very fully surely, the problem that intensity is very poor.
Summary of the invention
The purpose of this invention is to provide and a kind ofly can effectively utilize resource, and use the refrigerator and the vacuum heat insulation materials of the good and vacuum heat insulation materials that intensity is very high of heat-insulating property, and manufacture method.
In order to achieve the above object, the manufacture method of refrigerator of the present invention is characterised in that, manufactures new material inorfil aggregate lamellar; Use is made into useless core inorfil aggregate by the useless core that the inorfil aggregate constitutes; Above-mentioned new material inorfil aggregate and above-mentioned useless core inorfil aggregate lamination are got up; By adhesives being soaked in this laminated piece and carrying out hot pressing processing, with adhesives this laminated piece is bonded together and is pressed into the thickness of regulation, form the core raw material, thereby and from above-mentioned core raw material, remove rim charge formation core; The adsorption element folding and unfolding that coats above-mentioned core with packaging material by vacuumizing, sealing, is made vacuum heat insulation materials in the external cladding material of being made by the air impermeability film; After above-mentioned vacuum heat insulation materials being configured between outer container and the interior case, filling with foam insulation materials in the space between above-mentioned outer container and interior case forms heat guard again.
As follows according to preferred concrete structure of the present invention.
(1), thereby make above-mentioned useless core inorfil aggregate lamellar by above-mentioned useless core being pulverized for crushed material and carried out hot pressing processing.
(2) on the basis of above-mentioned (1), thereby above-mentioned crushed material is to be fiber and to be parastate substantially by being immersed in the compression process of dewatering in the boric acid aqueous solution.
In addition, for achieving the above object, the structure of refrigerator of the present invention is, the adsorption element folding and unfolding that coats core with packaging material is in external cladding material, vacuum heat insulation materials after vacuumizing and sealing is arranged between outer container and the interior case, and foamed thermal insulating be filled in above-mentioned outer container and above-mentioned in the space between the case, constitute heat guard, it is characterized in that, above-mentioned core is laminal new material inorfil aggregate and useless core inorfil aggregate lamination, should useless core inorfil aggregate the useless core that is made of the inorfil aggregate be made lamellar making, the inorfil aggregate that these laminations are got up carries out hot pressing then, constitutes the laminated piece that is bonded together with adhesives.
As follows according to preferred concrete structure of the present invention.
(1) above-mentioned useless core inorfil aggregate is that the waste materials of core is pulverized set part after the crushed material that forms carries out hot pressing processing.
In addition, for achieving the above object, the structure of refrigerator of the present invention is, the sorbing material folding and unfolding that coats core with packaging material is in external cladding material, vacuum heat insulation materials after vacuumizing and sealing is arranged between outer container and the interior case, and foamed thermal insulating be filled in above-mentioned outer container and above-mentioned in the space between the case, constitute heat guard, it is characterized in that, above-mentioned core is some laminal new material inorfil aggregates and useless core inorfil aggregate lamination, should useless core inorfil aggregate be to be arranged between the above-mentioned laminal new material inorfil aggregate with flat shape with cut off the rectangular waste wood that forms from core, the inorfil aggregate that these laminations are got up carries out hot pressing then, constitutes the laminated piece that is bonded together with adhesives.
As follows according to preferred concrete structure of the present invention.
(1) useless core inorfil aggregate is overlapped into upper and lower two-layerly at least, and the bearing of trend that is arranged in rectangular waste wood in upper strata and the lower floor crosses one another.
In addition, for achieving the above object, the manufacture method of the vacuum heat insulation materials of refrigerator of the present invention is characterised in that, is made into new material inorfil aggregate lamellar; Use is made into useless core inorfil aggregate by the useless core that the inorfil aggregate constitutes; Above-mentioned new material inorfil aggregate and above-mentioned useless core inorfil aggregate lamination are got up; By adhesives being soaked in this laminated piece and carrying out hot pressing, this laminated piece bonded together and be pressed into the thickness of regulation with adhesives, make the core raw material, thereby and from above-mentioned core raw material, remove rim charge and form core; Above-mentioned core folding and unfolding in the external cladding material made from airproof film, through vacuumizing and sealing, is made vacuum heat insulation materials again.
In addition, for achieving the above object, vacuum heat insulation materials of the present invention, it is that the sorbing material folding and unfolding that coats core with packaging material is in external cladding material, vacuum heat insulation materials after vacuumizing and sealing, it is characterized in that, above-mentioned core is laminal new material inorfil aggregate, get up with the laminal useless core inorfil aggregate lamination of the waste wood that uses core, the inorfil aggregate that these laminations are got up carries out hot pressing then, constitutes the laminated piece that is bonded together with adhesives.
According to the present invention, when can realize that resources effective ground utilizes, can obtain using heat-insulating property good, and the refrigerator and the vacuum heat insulation materials of the very high vacuum heat insulation materials of intensity, and their manufacture method.
Description of drawings
Fig. 1 is the stereogram of the refrigerator of first embodiment of the invention;
Fig. 2 is the schematic diagram of section of the significant points of Fig. 1;
Fig. 3 is the sectional schematic diagram of the independent state of vacuum heat-insulating plate shown in Figure 2;
Fig. 4 is the state of core and rim charge is isolated in expression from the core raw material of first embodiment a stereogram;
Fig. 5 is each operation of useless core inorfil aggregate is made in explanation from the rim charge of first embodiment a key diagram;
Fig. 6 is the key diagram of the raw-material preparation method of core of first embodiment;
Fig. 7 is the core 2 of first embodiment and the adsorbent 3 folding and unfoldings sectional drawing of the state in the clad material 1 externally;
Fig. 8 is the stereogram that is partitioned into the state of rim charge from the core raw material that the refrigerator manufacture method with the second embodiment of the present invention makes;
Fig. 9 is the stereogram of the raw-material preparation method of core of explanation second embodiment;
Figure 10 is the stereogram of the raw-material production process of core of the explanation third embodiment of the present invention.
The specific embodiment
Below, with reference to description of drawings some embodiment of the present invention.In the so-called refrigerator of the present invention, except refrigeration one household freezer of family expenses and commercialization, also comprise: automatic vending machine, store shelf, goods showing cabinet, cold insulated cabinet, cold box, refrigeration-van cooler or the like.
Below, the refrigerator and the vacuum heat insulation materials of first embodiment of the invention are described with reference to Fig. 1～Fig. 7.
The overall structure and the manufacture method thereof of refrigerator of explanation present embodiment sees figures.1.and.2.Fig. 1 is the stereogram of the refrigerator of first embodiment of the invention; Fig. 2 is the schematic diagram of the significant points section among Fig. 1.
The refrigerator of present embodiment is made of following two parts: constitute the body of thermal insulating box 21 of insulation with vacuum heat insulation materials 50, and the insulated door that constitutes the insulation with vacuum heat insulation materials.Body of thermal insulating box 21 is made of following each several part: the outer container 22 that metal is made; The interior case 23 that synthetic resin is made; Be arranged on many vacuum heat insulation materials 50 of outer container 22 inboards; And be filled in foamed thermal insulating 24 between outer container 22 and the interior case 23.Vacuum heat insulation materials 50 is arranged to respectively fit tightly with the assigned position of outer container 22 inboards.Specifically, vacuum heat insulation materials 50 is arranged to fit tightly with the inboard at top board, left and right side, bottom surface and the back side of outer container 22.By the body of thermal insulating box 21 of having made this use vacuum heat insulation materials 50, compare with the independent situation that constitutes insulations with foamed thermal insulating 24, all seldom refrigerators of the leakage of heat and power consumption just can be provided.Foamed thermal insulating 24 can use for example rigid polyurethane foam.
This refrigerator is by vacuum heat insulation materials 50 being arranged in after the inboard of outer container 22, foamed thermal insulating is filled in makes in the space between outer container 22 and the interior case 23 again.
In addition, in body of thermal insulating box 21, formed the storeroom of several front openings.From the top, successively these storerooms are separated into refrigerating chamber and refrigerating chamber, by means of the cooler that is arranged in the refrigerator, each chamber is cooled to the suitable low temperature of being scheduled to respectively.In addition, the wall thickness of body of thermal insulating box 21 is about 20mm～50mm.
Though insulated door is not shown, they all are arranged to the opening of each storeroom front of energy switch.Insulated door is the same with body of thermal insulating box 21, also is made of following each several part: the outer container that metal is made; The interior case that synthetic resin is made; Be arranged on many vacuum heat insulation materials of outer container inboard; And be filled in foamed thermal insulating between outer container and the interior case.This vacuum heat insulation materials also is to use with the same manufacture method of the vacuum heat insulation materials 50 of body of thermal insulating box 21 1 sides to make.
The basic structure of the vacuum heat-insulating plate 1 of present embodiment then, is described with reference to Fig. 2 and Fig. 3.Fig. 3 is the sectional schematic diagram of the independent state of vacuum heat-insulating plate 1 shown in Figure 2.
Vacuum heat insulation materials 50 is by core 2, adsorption element 3, and make with the air impermeability film, inner folding and unfolding the external cladding material 1 of core 2 and adsorption element 3 constitute.This vacuum heat insulation materials 50, be under core 2 and the state of adsorption element 3 folding and unfoldings in external cladding material 1 that coat with packaging material, vacuumize by inside, and the marginal portion of external cladding material 1 is made with the hot fusing method sealing external cladding material 1.The shape of vacuum heat insulation materials 50 has no particular limits, and can use various suitable shapes and thickness according to employed position and transaction capabilities.
The structure of one side of external cladding material 1 is, in inboard as its outermost nylon layer, have the metal forming of good aluminium of air impermeability and so on or with evaporation the good pet resin (PET) of air impermeability that is clipped in the middle of the metal evaporation film of metalloid of aluminium, and be made of one with the internal layer membrane of energy thermal weldings such as high-density polyethylene resin or polyacrylonitrile resin.The structure of an opposite side of external cladding material 1 is, the good pet resin (PET) of air impermeability of metal evaporation film of metalloid of aluminium that had the sandwich evaporation, and with the better Ethylene vinyl alcohol copolymer film of air impermeability (EVOH) of side within it, the internal layer membrane of energy thermal weldings such as high-density polyethylene resin and polyacrylonitrile resin is made of one.Above two kinds of films that lamination gets up, be used as hot welding layer such as the high-density polyethylene resin of innermost layer or polyacrylonitrile resin and be welding together, just formed the pocket that core is sealed or the external cladding material 1 of container.
Then, with reference to Fig. 4～Fig. 7, the manufacture method of the vacuum heat insulation materials 50 of present embodiment is described.Fig. 4 is expression is separated into the state of core 2 and rim charge 4 from the core raw material of present embodiment a stereogram; Fig. 5 is that explanation is made the key diagram of each operation of useless core inorfil aggregate 6 from the rim charge 4 of present embodiment; Fig. 6 is the key diagram of preparation method of the core raw material 2A of present embodiment; Fig. 7 is the core 2 of present embodiment and the adsorbent 3 folding and unfoldings sectional drawing of the state in the clad material 1 externally.
New material inorfil aggregate 7 is to be fiber diameter that the staple glass fibre collection of material of 3～4 μ m gets up to make lamellar.This new material inorfil aggregate 7 does not use useless core, and is made into new inorfil aggregate.
On the other hand, because reason such as its crest line is irregular will be cut off the raw-material end of the core of originally making, remove rim charge 4 as shown in Figure 4.The part of having removed rim charge 4 is exactly a core 2.Constitute by inorfil aggregate lamination owing to removed the core raw material of rim charge 4, so rim charge 4 also is made of the inorfil aggregate.Though employed rim charge 4 is materials that the core raw material 2A (referring to Fig. 6 (b)) that makes from present embodiment scales off in the present embodiment, also can be the material that scales off on the core raw material that constitute by the inorfil aggregate made from other method.
These rim charges 4 are put together shown in Fig. 5 (a) like that, drop in the Roughpulverizer, rim charge 4 is carried out coarse crushing, become the crushed material 5 shown in Fig. 5 (b) with this Roughpulverizer.This crushed material 5 is that fibre length is the coarse crushing fibre object of Restzustand to a certain degree by coarse crushing, the core of present embodiment is as mentioned below, has the stratiform thing of the average fiber length useless core inorfil aggregate 6 shorter than new material inorfil length aggregate 7.
This crushed material 5 is carried out hot pressing, just become laminal useless core inorfil aggregate 6 such shown in Fig. 5 (c).That is, crushed material 5 is carried out hot pressing processing, make its width and thickness, soak with an amount of boric acid aqueous solution as required, dewater, make fiber be in level basically with consistent regulation.Like this, just as the enlarged drawing of Fig. 5 (d) schematically illustrates, because consistent arrangement of fiber 6a substantial horizontal of useless core inorfil aggregate 6, so can improve its heat-insulating property in the intensity while of improving the core inorfil aggregate 6 that gives up.In addition, owing to be beforehand with laminal useless core inorfil aggregate 6,, its processing is very easy to so handling.
Then, shown in Fig. 6 (a) like that, useless core inorfil aggregate 6 and new material inorfil aggregate 7 laminations are got up.That is, carry out lamination in the mode of a useless core inorfil aggregate 6 of folder between two new material inorfil aggregates 7.In addition, also can prepare some useless core inorfil aggregates 6, it is clipped between the new material inorfil aggregate 7, under the situation of the thickness of the useless core inorfil aggregate 6 of needs thickenings, be effective realizing further saving aspect the resource.In the present embodiment, useless core inorfil aggregate 6 is one decks, and the ratio of its use amount is 1/3 amount of whole cores, then, with the same 1/3 new material inorfil aggregate of measuring 7 useless core inorfil aggregate 6 is clipped in the middle.Because useless core inorfil aggregate 6 and new material inorfil aggregate 7 all are laminal materials, so their lamination operation can be carried out at an easy rate.
By adhesives being soaked in the above-mentioned laminated piece and carrying out hot pressing, when this laminated piece being bonded together, be pressed into specific thickness with adhesives, make core raw material 2A.Specifically, use the aqueous solution of mineral-type or natural organic class adhesives as adhesives, by means of an amount of this aqueous solution is soaked into whole laminated piece and carries out hot pressing, remove the moisture in the adhesives, by adhesives the inorfil that constitutes laminated piece is bonded together, make core raw material 2A.Owing to made useless core inorfil aggregate 6 lamellar in advance, so, the intensity of this core raw material 2A, compare with the former material material of only crushed material being admixed between new material inorfil aggregate 7, even the amount of useless core inorfil aggregate 6 is a lot, also can produce the very high raw material of intensity.
Then, use with the same method of Fig. 4 to get on except that rim charge 4, be made into core 2 from core raw material 2A.Then, as shown in Figure 7, with this core 2 with adsorbent 3 folding and unfoldings in external cladding material 1 inside, use vacuum packing machine below 2.0Pa, to keep after the certain hour, be made into as shown in Figure 3 vacuum heat insulation materials 50 by means of sealing process.
The vacuum heat insulation materials of making in this way can be confirmed, the surface smoothing performance of external cladding material 1 is identical with the performance of in the past the vacuum heat insulation materials of only making with new material inorfil aggregate.In addition, the model made from the great smart machine of Japanese English society is the pyroconductivity analyzer of automatic λ HC-071 when measuring the pyroconductivity of this vacuum heat insulation materials, and can obtain initial value is the low like this value of 2.8mW/ (mK).
Adopt present embodiment, when realizing that resources effective is utilized, can also obtain to use heat-insulating property good, and refrigerator and the vacuum heat insulation materials and the manufacture method thereof of the very high vacuum heat insulation materials of intensity.
Below, utilize Fig. 8 and Fig. 9 that the second embodiment of the present invention is described.Fig. 8 has been cut apart the stereogram of the state behind the rim charge from the second embodiment of the present invention from the core raw material; Fig. 9 is the stereogram of the raw-material preparation method of core of explanation second embodiment.This second embodiment is only different with first embodiment on the each point of the following stated, and others are all identical with first embodiment basically.
As shown in Figure 8, in a second embodiment, the rim charge 4 that will separate from the core raw material further is separated into upper and lower two again and separates rim charge 4a.Many this separation rim charge 4a are arranged in a row along horizontal direction in the plane very close to each otherly, are made into ground floor rim charge set part 4b.Overlap on this rim charge set part 4b in roughly parallel mode with other rim charge 4a, be made into second layer rim charge set part 4c, with the gap of stopping up the seam between each rim charge or producing in the seam place with the ground floor rim charge.From forming the intensity aspect of core, more than the best lamination of rim charges such as 4b, 4c set part is two-layer.
Then, clamp lamination with new material inorfil aggregate 7 and become two-layer rim charge set part 4d, this laminated piece is carried out hot pressing, remove moisture and make core raw material 2A with hot press.Here employed new material inorfil aggregate 7 has only half of component of usual use.As shown in Figure 8, this core raw material 2A is divided into core 2 and rim charge 4.
Aspect the intensity of processing processing, the intensity that is had with the resulting core 2 of this manufacture method is out of question, and has reached the mass-produced level that can be applicable to fully.In addition, according to this second embodiment, as long as after rim charge 4 is separated into two side by side, just can be made into rim charge at an easy rate and gather part 4d.
This core 2 is inserted in the pocket made from airproof external cladding material 1 with adsorbent 3, use vacuum packing machine under 2.0Pa, to keep sealing resulting vacuum heat insulation materials behind the certain hour, though the seam between the rim charge 6a that occurs some wire on the surface of external cladding material 1, the level and smooth performance on its surface does not have too big difference with the vacuum heat insulation materials that the manufacture method that adopts is in the past made.The model made from the great smart machine of Japanese English society is the pyroconductivity analyzer of automatic λ HC-071 when measuring the pyroconductivity of this vacuum heat insulation materials, and can obtain initial value is the low like this value of 2.4mW/ (mK).
Below, utilize Figure 10 that the third embodiment of the present invention is described.Figure 10 is the stereogram of the raw-material production process of core of the explanation third embodiment of the present invention.This 3rd embodiment is only different with second embodiment on the each point of the following stated, and others are all identical with second embodiment basically.
In the 3rd embodiment, many this separation rim charge 4a are arranged in a row along horizontal direction in the plane very close to each otherly, be made into ground floor rim charge set part 4b.So that rotating in the horizontal direction, same rim charge set part 4c make it not gather the parallel state of part 4b with rim charge, preferably overlapping on the direction of 90 ° of rotations on the rim charge set part 4b, so that the gap of stopping up the mutual seam of each rim charge or producing at seam crossing.From forming the intensity aspect of core, rim charge set part 4b, the best lamination of 4c become more than groined type two-layer.In this 3rd embodiment, ground floor rim charge set part 4b becomes roughly to become 90 ° groined type with second layer rim charge set part 4c lamination, with new material inorfil aggregate 7 it is clamped again, this laminated piece is carried out hot pressing, remove moisture and make core raw material 2A with hot press.Here employed new material inorfil aggregate 7 has only half of common employed component.The same with second embodiment, also this core raw material 2A is separated into core 2 and rim charge 4.
With the resulting core 2 of this manufacture method, strength ratio second embodiment's of the processing processing aspect that is had is higher.
This core 2 is inserted in the pocket made from airproof external cladding material 1 with adsorbent 3, use vacuum packing machine after keeping certain hour below the 2.0Pa, to seal the resulting vacuum heat insulation materials in back, the same with embodiment 1, though the seam between the rim charge 4a that occurs some wire on the surface of external cladding material 1, the level and smooth performance on its surface does not have too big difference with the vacuum heat insulation materials that the manufacture method that adopts is in the past made.The model made from the great smart machine of Japanese English society is the pyroconductivity that the pyroconductivity analyzer of automatic λ HC-071 is measured this vacuum heat insulation materials, and can obtain initial value is the low like this value of 2.2mW/ (mK).
Claims (9)
1. the manufacture method of a refrigerator is characterized in that,
Manufacture new material inorfil aggregate lamellar;
Use is made into useless core inorfil aggregate by the useless core that the inorfil aggregate constitutes;
Above-mentioned new material inorfil aggregate and above-mentioned useless core inorfil aggregate lamination are got up;
By adhesives being soaked in this laminated piece and carrying out hot pressing processing, with adhesives this laminated piece is bonded together and is pressed into the thickness of regulation, form the core raw material, thereby and from above-mentioned core raw material, remove rim charge formation core;
The adsorption element folding and unfolding that coats above-mentioned core with packaging material by vacuumizing and sealing, is made vacuum heat insulation materials in the external cladding material of being made by the air impermeability film;
After above-mentioned vacuum heat insulation materials being configured between outer container and the interior case, filling with foam insulation materials in the space between above-mentioned outer container and interior case forms heat guard again.
2. the manufacture method of refrigerator as claimed in claim 1 is characterized in that, by above-mentioned useless core being pulverized for crushed material and carried out hot pressing processing, thereby makes above-mentioned useless core inorfil aggregate lamellar.
3. the manufacture method of refrigerator as claimed in claim 2 is characterized in that, thereby above-mentioned crushed material is to become fiber to be parastate substantially by being immersed in the compression process of dewatering in the boric acid aqueous solution.
4. refrigerator, its structure is to be arranged between outer container and the interior case core and with the vacuum heat insulation materials of adsorption element folding and unfolding in external cladding material, after vacuumizing and sealing that packaging material coat, and foamed thermal insulating be filled in above-mentioned outer container and above-mentioned in the space between the case, constitute heat guard, it is characterized in that
Above-mentioned core is laminal new material inorfil aggregate and useless core inorfil aggregate lamination, should useless core inorfil aggregate the useless core that is made of the inorfil aggregate be made lamellar making, the inorfil aggregate that these laminations are got up carries out hot pressing then, constitutes the laminated piece that is bonded together with adhesives.
5. refrigerator as claimed in claim 4 is characterized in that, above-mentioned useless core inorfil aggregate is that the waste materials of core is pulverized set part after the crushed material that forms carries out hot pressing processing.
6. refrigerator, its structure is to be arranged between outer container and the interior case core and with the vacuum heat insulation materials of adsorption element folding and unfolding in external cladding material, after vacuumizing and sealing that packaging material coat, and foamed thermal insulating be filled in above-mentioned outer container and above-mentioned in the space between the case, constitute heat guard, it is characterized in that
Above-mentioned core is some laminal new material inorfil aggregates and useless core inorfil aggregate lamination, should useless core inorfil aggregate be to be arranged between the above-mentioned laminal new material inorfil aggregate with flat shape with cut off the rectangular waste wood that forms from core, the inorfil aggregate that these laminations are got up carries out hot pressing then, constitutes the laminated piece that is bonded together with adhesives.
7. refrigerator as claimed in claim 6 is characterized in that, useless core inorfil aggregate is overlapped into upper and lower two-layer at least, and the bearing of trend that is arranged in rectangular waste wood in upper strata and the lower floor crosses one another.
8. the manufacture method of a vacuum heat insulation materials is characterized in that,
Be made into new material inorfil aggregate lamellar;
Use is made into useless core inorfil aggregate by the useless core that the inorfil aggregate constitutes;
Above-mentioned new material inorfil aggregate and above-mentioned useless core inorfil aggregate lamination are got up;
By adhesives being soaked in this laminated piece and carrying out hot pressing, this laminated piece bonded together and be pressed into the thickness of regulation with adhesives, make the core raw material, thereby and from above-mentioned core raw material, remove rim charge and form core;
The adsorption element folding and unfolding that coats above-mentioned core and with packaging material through vacuumizing and sealing, is made vacuum heat insulation materials again in the external cladding material made from airproof film.
9. vacuum heat insulation materials, it be the adsorption element folding and unfolding that coats core and with packaging material in external cladding material, the vacuum heat insulation materials after vacuumizing and sealing is characterized in that,
Above-mentioned core is laminal new material inorfil aggregate, get up with the laminal useless core inorfil aggregate lamination of the waste wood that uses core, the inorfil aggregate that these laminations are got up carries out hot pressing then, constitutes the laminated piece that is bonded together with adhesives.
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP2004166528A JP4183657B2 (en) | 2004-06-04 | 2004-06-04 | refrigerator |
| JP2004166528 | 2004-06-04 |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN1707204A CN1707204A (en) | 2005-12-14 |
| CN100359272C true CN100359272C (en) | 2008-01-02 |
Family
ID=35497577
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CNB2005100538392A Expired - Fee Related CN100359272C (en) | 2004-06-04 | 2005-03-11 | Refrigerator and vacuum thermal insulating material and producing method thereof |
Country Status (3)
| Country | Link |
|---|---|
| JP (1) | JP4183657B2 (en) |
| KR (1) | KR100695378B1 (en) |
| CN (1) | CN100359272C (en) |
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Also Published As
| Publication number | Publication date |
|---|---|
| JP2005345025A (en) | 2005-12-15 |
| CN1707204A (en) | 2005-12-14 |
| JP4183657B2 (en) | 2008-11-19 |
| KR20060042182A (en) | 2006-05-12 |
| KR100695378B1 (en) | 2007-03-15 |
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