EP0951389A1 - Heat-insulating moulded bodies with envelope, and method for producing same - Google Patents
Heat-insulating moulded bodies with envelope, and method for producing sameInfo
- Publication number
- EP0951389A1 EP0951389A1 EP97953856A EP97953856A EP0951389A1 EP 0951389 A1 EP0951389 A1 EP 0951389A1 EP 97953856 A EP97953856 A EP 97953856A EP 97953856 A EP97953856 A EP 97953856A EP 0951389 A1 EP0951389 A1 EP 0951389A1
- Authority
- EP
- European Patent Office
- Prior art keywords
- middle layer
- mixture
- layer
- press
- die
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Granted
Links
- 238000004519 manufacturing process Methods 0.000 title claims description 6
- 238000009413 insulation Methods 0.000 claims abstract description 27
- 229910010293 ceramic material Inorganic materials 0.000 claims abstract description 8
- 239000000203 mixture Substances 0.000 claims description 24
- 238000005253 cladding Methods 0.000 claims description 13
- 238000000034 method Methods 0.000 claims description 11
- 229910052902 vermiculite Inorganic materials 0.000 claims description 5
- 239000010455 vermiculite Substances 0.000 claims description 5
- 235000019354 vermiculite Nutrition 0.000 claims description 5
- 229910001562 pearlite Inorganic materials 0.000 claims description 4
- RMAQACBXLXPBSY-UHFFFAOYSA-N silicic acid Chemical compound O[Si](O)(O)O RMAQACBXLXPBSY-UHFFFAOYSA-N 0.000 claims description 3
- GWEVSGVZZGPLCZ-UHFFFAOYSA-N Titan oxide Chemical compound O=[Ti]=O GWEVSGVZZGPLCZ-UHFFFAOYSA-N 0.000 claims description 2
- MCMNRKCIXSYSNV-UHFFFAOYSA-N ZrO2 Inorganic materials O=[Zr]=O MCMNRKCIXSYSNV-UHFFFAOYSA-N 0.000 claims description 2
- 239000000654 additive Substances 0.000 claims description 2
- 239000003513 alkali Substances 0.000 claims description 2
- 239000003365 glass fiber Substances 0.000 claims description 2
- 229910052500 inorganic mineral Inorganic materials 0.000 claims description 2
- 229910044991 metal oxide Inorganic materials 0.000 claims description 2
- 150000004706 metal oxides Chemical class 0.000 claims description 2
- 239000010445 mica Substances 0.000 claims description 2
- 229910052618 mica group Inorganic materials 0.000 claims description 2
- 239000011707 mineral Substances 0.000 claims description 2
- 239000011490 mineral wool Substances 0.000 claims description 2
- TWNQGVIAIRXVLR-UHFFFAOYSA-N oxo(oxoalumanyloxy)alumane Chemical compound O=[Al]O[Al]=O TWNQGVIAIRXVLR-UHFFFAOYSA-N 0.000 claims description 2
- RVTZCBVAJQQJTK-UHFFFAOYSA-N oxygen(2-);zirconium(4+) Chemical compound [O-2].[O-2].[Zr+4] RVTZCBVAJQQJTK-UHFFFAOYSA-N 0.000 claims description 2
- 239000011435 rock Substances 0.000 claims description 2
- 235000012239 silicon dioxide Nutrition 0.000 claims description 2
- OGIDPMRJRNCKJF-UHFFFAOYSA-N titanium oxide Inorganic materials [Ti]=O OGIDPMRJRNCKJF-UHFFFAOYSA-N 0.000 claims description 2
- 239000004698 Polyethylene Substances 0.000 claims 1
- 230000000996 additive effect Effects 0.000 claims 1
- 239000002657 fibrous material Substances 0.000 claims 1
- 239000004033 plastic Substances 0.000 claims 1
- 229920003023 plastic Polymers 0.000 claims 1
- 239000002985 plastic film Substances 0.000 claims 1
- 229920006255 plastic film Polymers 0.000 claims 1
- -1 polyethylene Polymers 0.000 claims 1
- 229920000573 polyethylene Polymers 0.000 claims 1
- 230000002787 reinforcement Effects 0.000 claims 1
- 239000010703 silicon Substances 0.000 claims 1
- 229910052814 silicon oxide Inorganic materials 0.000 claims 1
- 239000010419 fine particle Substances 0.000 abstract 1
- 239000010410 layer Substances 0.000 description 35
- VYPSYNLAJGMNEJ-UHFFFAOYSA-N Silicium dioxide Chemical compound O=[Si]=O VYPSYNLAJGMNEJ-UHFFFAOYSA-N 0.000 description 6
- 239000000463 material Substances 0.000 description 5
- 238000003825 pressing Methods 0.000 description 5
- 239000012774 insulation material Substances 0.000 description 4
- 239000000479 mixture part Substances 0.000 description 3
- 239000000377 silicon dioxide Substances 0.000 description 3
- 235000019353 potassium silicate Nutrition 0.000 description 2
- NTHWMYGWWRZVTN-UHFFFAOYSA-N sodium silicate Chemical compound [Na+].[Na+].[O-][Si]([O-])=O NTHWMYGWWRZVTN-UHFFFAOYSA-N 0.000 description 2
- 239000004964 aerogel Substances 0.000 description 1
- 239000011230 binding agent Substances 0.000 description 1
- 239000000919 ceramic Substances 0.000 description 1
- 239000011248 coating agent Substances 0.000 description 1
- 238000000576 coating method Methods 0.000 description 1
- 239000002131 composite material Substances 0.000 description 1
- 230000006835 compression Effects 0.000 description 1
- 238000007906 compression Methods 0.000 description 1
- 230000006378 damage Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 239000000835 fiber Substances 0.000 description 1
- 239000011810 insulating material Substances 0.000 description 1
- YDZQQRWRVYGNER-UHFFFAOYSA-N iron;titanium;trihydrate Chemical compound O.O.O.[Ti].[Fe] YDZQQRWRVYGNER-UHFFFAOYSA-N 0.000 description 1
- 239000011159 matrix material Substances 0.000 description 1
- 229910052751 metal Inorganic materials 0.000 description 1
- 239000002184 metal Substances 0.000 description 1
- 150000002739 metals Chemical class 0.000 description 1
- 239000012229 microporous material Substances 0.000 description 1
- 230000000149 penetrating effect Effects 0.000 description 1
- 230000002093 peripheral effect Effects 0.000 description 1
- 239000011241 protective layer Substances 0.000 description 1
- GFQYVLUOOAAOGM-UHFFFAOYSA-N zirconium(iv) silicate Chemical compound [Zr+4].[O-][Si]([O-])([O-])[O-] GFQYVLUOOAAOGM-UHFFFAOYSA-N 0.000 description 1
Classifications
-
- E—FIXED CONSTRUCTIONS
- E04—BUILDING
- E04B—GENERAL BUILDING CONSTRUCTIONS; WALLS, e.g. PARTITIONS; ROOFS; FLOORS; CEILINGS; INSULATION OR OTHER PROTECTION OF BUILDINGS
- E04B1/00—Constructions in general; Structures which are not restricted either to walls, e.g. partitions, or floors or ceilings or roofs
- E04B1/62—Insulation or other protection; Elements or use of specified material therefor
- E04B1/74—Heat, sound or noise insulation, absorption, or reflection; Other building methods affording favourable thermal or acoustical conditions, e.g. accumulating of heat within walls
- E04B1/76—Heat, sound or noise insulation, absorption, or reflection; Other building methods affording favourable thermal or acoustical conditions, e.g. accumulating of heat within walls specifically with respect to heat only
- E04B1/78—Heat insulating elements
- E04B1/80—Heat insulating elements slab-shaped
Definitions
- the invention relates to thermal insulation molded articles with a sheath, in particular thermal insulation boards based on pressed microporous thermal insulation material, and a method for their production.
- thermal insulation molded articles based on compressed microporous insulating material have a low strength and bend under mechanical stress or the usually one-sided heat effect and also easily crumble, they are provided with a protective layer on at least one side. Thermal insulation bodies of this type are particularly sensitive at the edges.
- thermal insulation bodies made of microporous or highly disperse ceramic thermal insulation materials on one or both sides with a metallic covering.
- a metallic covering With such coverings, the voids between the cover and the thermal insulation material cannot be minimized in the sense of optimal thermal insulation.
- the thermal insulation with all-round coating would be significantly reduced due to the relatively high thermal conductivity of the metals.
- a middle layer made of a first ceramic material is pressed from two sides with a cover layer of second ceramic material with a different structure.
- the cover layers are connected to one another by webs penetrating the middle layer.
- a border that can also be provided is provided.
- a layer of the second material is first precompressed with a layer of the first material spread over it under the action of pressure, projecting web and Edge punches penetrate the upper layer and create a recess in the lower one.
- the filled second material for the upper layer also fills the holes and depressions in the compacted plate.
- the edge as well as the webs consist of both material components.
- One of the objects of the invention is to impart an even greater homogeneity and strength to the casing. This further consists in creating an inexpensive heat-insulating molded article based on finely divided, microporous pressed thermal insulation material with all-round covering, which ensures optimum protection and thermal insulation and enables a method for its simple manufacture by means of a novel device.
- the object is solved by the features of claim 1.
- the method according to claim 6 also serves to achieve the object.
- the heat molded articles produced by the process according to the invention have the following advantageous properties, where:
- the scaffolding covering of the highly dispersed insulation layer and the relatively wide and stable heat-insulating edge give the heat insulation molded articles a high mechanical strength and ease of handling;
- the insulating edge of the cladding layers results in considerable savings in the expensive silica products of the middle layer.
- the method according to the invention can furthermore be carried out with the least mechanical outlay and enables the devices to be adapted in a simple manner to the respective dimensions of the thermal insulation molded parts.
- the invention is described using the example of a thermal insulation board and a process diagram using an apparatus according to the invention. Here show:
- Fig. 1 is a plan view of an inventive
- Fig. 2 is a press die of a lower tool
- Fig. 3-6 a second device with a conveyor belt
- the device shown in the drawing consists of two separate, but also interlinkable parts.
- a press with a fixed lower part, illustrated by a press mold or die 1, and a movable part, illustrated by a first press ram 3 Top.
- a press table 7 below the upper run of a conveyor belt 4 together with a chute 5, 6 and a sheath die 8 with a sharpened edge 8a below and a press ram 9 fitted into the sheath die 8 with a hose line leading to a switchable exhauster (not shown) 10th
- cladding layer A consisting of the layers A 'and A "according to FIG. 1, in particular expandable and / or layered minerals such as mica, pearlite, vermiculite or volcanic rock or a mixture thereof are used.
- aerogels in particular metal oxides such as pyrogenically produced silicas including arc silicic acid, low-alkali precipitated silicas, analogously produced aluminum oxide, titanium oxide and zirconium dioxide or a mixture of at least two of these highly disperse, microporous materials are suitable.
- Water glass is the preferred binder because it has relatively short curing times.
- Rock wool and glass fibers can be used as fiber additives for the outer layer A or the middle layer B.
- a 15 mm thick plate according to FIG. 1 with an area of 250 ⁇ 300 mm was produced by pressing the following mixtures at 1.0 MPa:
- a first mixture consisted of: 70% by weight vermiculite 30% by weight water glass
- a second mixture consisted of: 63% by weight of highly disperse silica, 34% by weight of ilmenite and 3% by weight of pearlite. It was:
- the second mixture for the middle layer B was applied to a press table 7 or a conveyor belt 4 guided above it in a predetermined thickness according to FIG. 3,
- the separated mixture part was also pre-pressed in the jacket die 8 by a second, smaller area press ram 9 according to FIG. 5,
- the plunger 9 was then set back somewhat upwards and a vacuum which made it possible to transport the mixture for the middle layer B was produced in the press space with the exhauster via the hose line 10,
- a mixture amount of the first mixture corresponding to the predetermined thickness of the upper covering layer A '' was then poured into the mold 1 and now, according to FIG. 8, all three layers A'-B-A '' with one another to a predetermined density of the heat insulating molded body at a pressure of 1.2 MPa, as can be seen in FIG. 9.
- a first mixture consisted of: 60% by weight vermiculite, and 40% by weight silica sol;
- a second mixture consisted of: 50% by weight of highly disperse silica, 25% by weight of zirconium silicate, 15% by weight of vermiculite, and 10% by weight of pearlite.
- the thermal insulation boards produced are notable for particularly high strength.
Landscapes
- Architecture (AREA)
- Physics & Mathematics (AREA)
- Engineering & Computer Science (AREA)
- Structural Engineering (AREA)
- Electromagnetism (AREA)
- Civil Engineering (AREA)
- Acoustics & Sound (AREA)
- Thermal Insulation (AREA)
- Laminated Bodies (AREA)
- Packages (AREA)
- Press-Shaping Or Shaping Using Conveyers (AREA)
- Thermally Insulated Containers For Foods (AREA)
- Building Environments (AREA)
- Insulating Bodies (AREA)
Abstract
Description
Claims
Applications Claiming Priority (3)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
DE19652626A DE19652626C1 (en) | 1996-12-18 | 1996-12-18 | Molded heat insulating body with casing and process for its production |
DE19652626 | 1996-12-18 | ||
PCT/EP1997/007125 WO1998026928A1 (en) | 1996-12-18 | 1997-12-18 | Heat-insulating moulded bodies with envelope, and method for producing same |
Publications (2)
Publication Number | Publication Date |
---|---|
EP0951389A1 true EP0951389A1 (en) | 1999-10-27 |
EP0951389B1 EP0951389B1 (en) | 2004-11-17 |
Family
ID=7815094
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
EP97953856A Expired - Lifetime EP0951389B1 (en) | 1996-12-18 | 1997-12-18 | Heat-insulating moulded bodies with envelope, and method for producing same |
Country Status (6)
Country | Link |
---|---|
EP (1) | EP0951389B1 (en) |
AT (1) | ATE282523T1 (en) |
AU (1) | AU5760198A (en) |
DE (2) | DE19652626C1 (en) |
ES (1) | ES2235266T3 (en) |
WO (1) | WO1998026928A1 (en) |
Families Citing this family (6)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE19635971C2 (en) * | 1996-09-05 | 2003-08-21 | Porextherm Daemmstoffe Gmbh | Thermal insulation molded body and method for its production |
DK1140728T3 (en) * | 1998-12-19 | 2004-07-12 | Promat Internat N V | Microporous heat insulating body |
DE19859084C1 (en) * | 1998-12-19 | 2000-05-11 | Redco Nv | Microporous heat insulating body, e.g. an insulating panel, comprises a pressed finely divided metal oxide, opacifier, inorganic fibers and inorganic binder material containing xonotlite |
GB0323054D0 (en) * | 2003-10-02 | 2003-11-05 | Microtherm Int Ltd | Microporous thermal insulation material |
CN100424284C (en) * | 2005-01-24 | 2008-10-08 | 上海英硕聚合物材料有限公司 | Heat insulating system outside external wall |
CN113785431B (en) * | 2021-02-05 | 2024-02-06 | 气凝胶研发私人有限公司 | Heat insulation device for battery |
Family Cites Families (6)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE3108816A1 (en) * | 1981-03-09 | 1982-09-30 | Grünzweig + Hartmann und Glasfaser AG, 6700 Ludwigshafen | THERMAL INSULATING COMPRESSION MATERIAL BASED ON MICROPOROUS OXIDAEROGEL FROM FLAME HYDROLYSIS, METHOD FOR THE PRODUCTION THEREOF, A FILM PRODUCED THEREOF AND A WASHED PRODUCT THEREFOR |
DE3224361C2 (en) * | 1982-06-30 | 1986-01-30 | Didier-Werke Ag, 6200 Wiesbaden | Composite component, consisting of at least two parts made of different fiber materials |
DE3718677A1 (en) * | 1987-06-04 | 1988-12-22 | Mtu Muenchen Gmbh | MOLDED BODY FROM A COMPOSITE OF METALS AND NON-METALS |
CH683930A5 (en) * | 1992-12-09 | 1994-06-15 | Raffaele Guardia | Plywood. |
DE4331590C1 (en) * | 1993-09-17 | 1994-08-11 | Porextherm Daemmstoffe Gmbh | Pressed insulating composite moulding |
DE19506411A1 (en) * | 1995-02-24 | 1996-08-29 | Reinhard Gabriel | Pressed high temp. insulating material |
-
1996
- 1996-12-18 DE DE19652626A patent/DE19652626C1/en not_active Expired - Fee Related
-
1997
- 1997-12-18 AT AT97953856T patent/ATE282523T1/en not_active IP Right Cessation
- 1997-12-18 EP EP97953856A patent/EP0951389B1/en not_active Expired - Lifetime
- 1997-12-18 DE DE59712088T patent/DE59712088D1/en not_active Expired - Fee Related
- 1997-12-18 ES ES97953856T patent/ES2235266T3/en not_active Expired - Lifetime
- 1997-12-18 WO PCT/EP1997/007125 patent/WO1998026928A1/en active IP Right Grant
- 1997-12-18 AU AU57601/98A patent/AU5760198A/en not_active Abandoned
Non-Patent Citations (1)
Title |
---|
See references of WO9826928A1 * |
Also Published As
Publication number | Publication date |
---|---|
EP0951389B1 (en) | 2004-11-17 |
DE59712088D1 (en) | 2004-12-23 |
AU5760198A (en) | 1998-07-15 |
ES2235266T3 (en) | 2005-07-01 |
DE19652626C1 (en) | 1998-07-02 |
WO1998026928A1 (en) | 1998-06-25 |
ATE282523T1 (en) | 2004-12-15 |
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