EP0900307A1 - Method and device for insulating building parts and installations - Google Patents
Method and device for insulating building parts and installationsInfo
- Publication number
- EP0900307A1 EP0900307A1 EP97924959A EP97924959A EP0900307A1 EP 0900307 A1 EP0900307 A1 EP 0900307A1 EP 97924959 A EP97924959 A EP 97924959A EP 97924959 A EP97924959 A EP 97924959A EP 0900307 A1 EP0900307 A1 EP 0900307A1
- Authority
- EP
- European Patent Office
- Prior art keywords
- pressure
- hose
- pressure vessel
- shut
- thermal insulation
- 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
- 238000000034 method Methods 0.000 title claims description 24
- 238000009434 installation Methods 0.000 title description 2
- 239000011230 binding agent Substances 0.000 claims abstract description 11
- 239000000463 material Substances 0.000 claims abstract description 11
- 239000010451 perlite Substances 0.000 claims abstract description 11
- 235000019362 perlite Nutrition 0.000 claims abstract description 11
- 239000000203 mixture Substances 0.000 claims description 13
- 238000009413 insulation Methods 0.000 claims description 9
- 239000012774 insulation material Substances 0.000 claims description 9
- 229910001562 pearlite Inorganic materials 0.000 claims description 5
- 239000010455 vermiculite Substances 0.000 claims description 5
- 235000019354 vermiculite Nutrition 0.000 claims description 5
- 229910052902 vermiculite Inorganic materials 0.000 claims description 5
- VYPSYNLAJGMNEJ-UHFFFAOYSA-N Silicium dioxide Chemical compound O=[Si]=O VYPSYNLAJGMNEJ-UHFFFAOYSA-N 0.000 claims description 4
- 238000002347 injection Methods 0.000 claims description 4
- 239000007924 injection Substances 0.000 claims description 4
- 238000003780 insertion Methods 0.000 claims description 3
- 230000037431 insertion Effects 0.000 claims description 3
- HCWCAKKEBCNQJP-UHFFFAOYSA-N magnesium orthosilicate Chemical compound [Mg+2].[Mg+2].[O-][Si]([O-])([O-])[O-] HCWCAKKEBCNQJP-UHFFFAOYSA-N 0.000 claims description 3
- 239000000391 magnesium silicate Substances 0.000 claims description 3
- 229910052919 magnesium silicate Inorganic materials 0.000 claims description 3
- 235000019792 magnesium silicate Nutrition 0.000 claims description 3
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims description 3
- SHFGJEQAOUMGJM-UHFFFAOYSA-N dialuminum dipotassium disodium dioxosilane iron(3+) oxocalcium oxomagnesium oxygen(2-) Chemical compound [O--].[O--].[O--].[O--].[O--].[O--].[O--].[O--].[Na+].[Na+].[Al+3].[Al+3].[K+].[K+].[Fe+3].[Fe+3].O=[Mg].O=[Ca].O=[Si]=O SHFGJEQAOUMGJM-UHFFFAOYSA-N 0.000 claims description 2
- NTHWMYGWWRZVTN-UHFFFAOYSA-N sodium silicate Chemical compound [Na+].[Na+].[O-][Si]([O-])=O NTHWMYGWWRZVTN-UHFFFAOYSA-N 0.000 claims description 2
- 238000005452 bending Methods 0.000 claims 1
- 238000007664 blowing Methods 0.000 claims 1
- 239000004568 cement Substances 0.000 claims 1
- 239000007788 liquid Substances 0.000 claims 1
- 239000002694 phosphate binding agent Substances 0.000 claims 1
- 235000019353 potassium silicate Nutrition 0.000 claims 1
- 239000000377 silicon dioxide Substances 0.000 claims 1
- 150000001875 compounds Chemical class 0.000 abstract description 4
- 239000000853 adhesive Substances 0.000 abstract 1
- 230000001070 adhesive effect Effects 0.000 abstract 1
- 239000002245 particle Substances 0.000 description 6
- 239000011810 insulating material Substances 0.000 description 4
- 229910001220 stainless steel Inorganic materials 0.000 description 3
- 239000010935 stainless steel Substances 0.000 description 3
- 239000013590 bulk material Substances 0.000 description 2
- 238000007789 sealing Methods 0.000 description 2
- 239000005909 Kieselgur Substances 0.000 description 1
- 229910052910 alkali metal silicate Inorganic materials 0.000 description 1
- 239000007864 aqueous solution Substances 0.000 description 1
- 239000011324 bead Substances 0.000 description 1
- 230000001413 cellular effect Effects 0.000 description 1
- 239000001913 cellulose Substances 0.000 description 1
- 229920002678 cellulose Polymers 0.000 description 1
- 238000005253 cladding Methods 0.000 description 1
- 238000007906 compression Methods 0.000 description 1
- 238000007596 consolidation process Methods 0.000 description 1
- 238000010924 continuous production Methods 0.000 description 1
- 239000008187 granular material Substances 0.000 description 1
- 239000011256 inorganic filler Substances 0.000 description 1
- 229910003475 inorganic filler Inorganic materials 0.000 description 1
- 229910003480 inorganic solid Inorganic materials 0.000 description 1
- 238000000465 moulding Methods 0.000 description 1
- 239000005022 packaging material Substances 0.000 description 1
- 230000035939 shock Effects 0.000 description 1
- RMAQACBXLXPBSY-UHFFFAOYSA-N silicic acid Chemical compound O[Si](O)(O)O RMAQACBXLXPBSY-UHFFFAOYSA-N 0.000 description 1
- 239000007787 solid Substances 0.000 description 1
- 239000000725 suspension Substances 0.000 description 1
- RLQWHDODQVOVKU-UHFFFAOYSA-N tetrapotassium;silicate Chemical compound [K+].[K+].[K+].[K+].[O-][Si]([O-])([O-])[O-] RLQWHDODQVOVKU-UHFFFAOYSA-N 0.000 description 1
Classifications
-
- E—FIXED CONSTRUCTIONS
- E04—BUILDING
- E04F—FINISHING WORK ON BUILDINGS, e.g. STAIRS, FLOORS
- E04F21/00—Implements for finishing work on buildings
- E04F21/02—Implements for finishing work on buildings for applying plasticised masses to surfaces, e.g. plastering walls
- E04F21/06—Implements for applying plaster, insulating material, or the like
- E04F21/08—Mechanical implements
- E04F21/12—Mechanical implements acting by gas pressure, e.g. steam pressure
-
- 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
- E04B1/7604—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 fillings for cavity walls
Definitions
- the invention relates to a method for isolating building parts and building internals having cavities against warm and cold, in which a debris-capable, inorganic, highly porous thermal insulation material is pneumatically demanded in a hose and blown into the cavities by means of excess pressure, thereby compressing and solidifying
- DE-A-4438627 teaches the use of an insulating material which consists of a mixture of ex-dilated pearlite and an aqueous solution of alkali silicates. In contrast to the generic method, this mixture is produced at the factory. It is disadvantageous that the mixture can only be kept for a limited time. Solidifying the mixture requires a mechanical compression process
- DE-A-3534706 describes a packaging material using expanded pearlite or vermiculite, which is bonded to a shaped body by means of an inorganic or organic binder.
- a shaped body by means of an inorganic or organic binder.
- the molded body should be able to absorb shocks elastically or plastically.
- DE-A-4439428 suggests the introduction of thermal dam material into cavities e.g. Roof cavities of buildings in front, whereby inorganic fillers and solids are forced into the cavities by means of compressed air.
- the required mass, which contains perlite, should be earth-moist.
- the thermal insulation material is also introduced here continuously. However, it is not said how the sealing between the inlet funnel and the delivery line is to be carried out Has.
- the US-A-2,200,713 shows a method for introducing granular or fibrous Isoliermate ⁇ al in cavities of buildings using a narrowing pipe at the outlet end of a hose line.
- the constriction is intended to increase the pressure, but this is physically questionable because of a cross-sectional constriction of the Although the outlet nozzle has an increased speed, it is hardly possible to increase the pressure.
- the insulating debris is continuously fed into the delivery line as in the prior art mentioned at the outset, so that the same disadvantages are present.
- the object of the invention is to propose a method of the type mentioned, which can be carried out with a simpler and easily transportable device and which allows the use of a higher delivery pressure in order to ensure pneumatic consolidation when the material is introduced into the cavities
- This object is achieved in a method of the generic type in that diatomaceous earth, perlite, magnesium silicate or vermiculite or mixtures are used as the thermal insulation material is used therefrom, an amount of the dry thermal insulation material is mixed in a mixing chamber with a recipe-related amount of an aqueous inorganic binder to form a sticky dry matter, this mixture is transferred to a pressure-free closed container to which the delivery hose is connected, opposite the container the mixing chamber and the delivery hose is shut off and placed under high pressure in the range of 2 to 10 bar, after which the shut-off of the delivery hose is opened and the batch is blown into the cavity under this high pressure, with a cohesive, completely filling the respective cavity after curing , stable insulating molded body is formed.
- the method according to the invention works discontinuously in that the bulk heat insulating material is introduced into a pressure-free container, which is then shut off by means of a simple shut-off device, after which the delivery pressure is built up in the container by means of a compressor.
- the delivery pressure can be selected to be significantly higher than with a continuous process, whereby two advantages are achieved simultaneously.
- considerably more bulk material can be conveyed per unit of time, which compensates for the disadvantage inherent in a discontinuous process that the actual insulation process is interrupted during the loading of the container, and therefore time is lost.
- the second advantage concerns the way in which the sticky mass is introduced into the cavities and this advantage is decisive for the result of the work.
- the mass can be injected into the cavities in any direction, including upwards, and when the mass particles injected at high speed strike, there is an intimate connection with the existing surface.
- the high delivery pressure also allows the particles to be shot into narrow and even angled channels, so that "dead corners" are also reached.
- silica sol 40% by weight are mixed with a mixture of 40% by weight of perlite, particle size 2 mm and 20% by weight of vermiculite, particle size 1 mm.
- This thermal insulation compound is particularly suitable for refractory linings.
- the bulk density of vermiculite is higher than that of perlite and the surface structures are different, which leads to a higher binding capacity.
- Example 4 A mixture of 30% by weight perlite, particle size 1 mm and 30% by weight magnesium silicate is mixed with 40% by weight loam water. The result is a particularly cost-effective thermal insulation material that can be used without any problems for normal insulation purposes.
- FIG. 1 shows a schematic view of a device suitable for carrying out the insulation process
- FIG. 3 shows a cross section in the roof area of a building with a representation of the rafters spaces to be filled with insulating material
- FIG. 5 shows the cross section of a double-skin drywall, which according to the invention is provided with a heat-sound insulation, and
- FIG. 6 shows the cross section of a chimney with a drawn-in stainless steel pipe, the annular space outside this pipe receiving the thermal insulation filling.
- a pressure vessel 10 is connected via a lock 12 to a loading hopper 14 above it.
- the funnel has a suspension frame 16 for a big bag 18, shown in broken lines, which contains a pearlite filling.
- the lock 12 and the funnel 14 form a structural unit which can be detached from the pressure container 10, so that both parts can be transported separately.
- a dosing screw 20 protrudes into the lock 12 and has a motor drive, which is not shown here.
- a separate pressure vessel 22 there is an aqueous binder or a mixture of binders.
- This vessel 22 is connected via a connecting line to injection nozzles 24 which open out circumferentially offset in the lock 12.
- injection nozzles 24 lie in a plane below the metering screw 20, but it goes without saying that, in the practical embodiment, the injection nozzles 24 open out in the area of the metering screw 20 and here preferably also at axial intervals.
- the connection of the lock 12 to the pressure vessel 10 can be closed in a pressure-tight manner by means of a shut-off element 26.
- a compressed air line 28 opens into the pressure container 10 and is supplied by a compressor 30 in order to be able to build up pressure in the pressure container 10.
- a pressure line 32 connects to the pressure vessel 10, which is designed as a flexible pressure hose of approximately 50 mm in diameter and should have a sufficient length to be able to reach the roof of a building with the outlet end when the device is parked on the ground.
- a shut-off valve 34 At the outlet end of the delivery line 32 there is a shut-off valve 34 to which a flexible or articulated lance 36 with a narrowing outlet nozzle 38 is connected.
- the lance has a length of at least 2 m and can be inserted, for example, through a hole 40 in a ceiling cladding of a roof into the space between the rafters, the lance 36 being bent so that the nozzle 38 can be adjusted parallel to the direction of the rafters.
- the operation starts by driving the metering screw 20, so that pearlite beads with a predetermined amount per unit of time pass from the hopper 14 through the lock 12 into the pressure vessel 10.
- binder is injected into the material stream through the nozzles 24 and thereby equally distributed.
- the vessel 22 is connected to the running compressor 30, so that there is a supply pressure in the vessel which supplies the binder to the dam material.
- the granular material entering the pressure vessel 10 has a sticky surface.
- the screw 20 After filling the pressure vessel 10, the screw 20 is stopped at the same time, the outlet valve (not shown) for the binder in the vessel 22 and the butterfly valve 26 of the pressure vessel 10 are closed, and the compressor 30 from the vessel 22 the pressure vessel 10 is switched over, so that pressure builds up in the pressure vessel 10 As soon as the operating pressure is reached, the compressor 30 switches off under pressure control and by opening the shut-off valve 34 at the end of the delivery line 32 the sticky dry matter can be injected. Due to the narrowing nozzle 38, a material seal enters the lance and the sprayed-out material further compresses the material already present when it strikes, the density being increased by at least 10% to 35% depending on the desired properties of the insulating body to be produced.
- the hole 40 can be located, for example, on the middle roof height, so that the insulating compound is first injected to the eaves side and the lower cavity is filled, after which the nozzle 38 is directed towards the ridge in order to fill this space downwards. In this way, one cavity after the other is isolated.
- the compacted dam mass tries to relax and expands, so that the mass penetrates even into the smallest free corners and no air cavities remain.
- the injected mass solidifies into a dimensionally stable dam body with a high thermal insulation value
- Shaped body is sufficiently load-bearing so that the previously cut out plate can be reinserted into hole 40 and glued to the shaped body so that the assembly point only needs to be filled
- the method according to the invention can also be used - at least in some areas - to produce very thin-walled insulating bodies which, for example, have a small wall thickness of only a few centimeters in the annular space between a cylindrical stainless steel tube and a square chimney shaft Provide an access opening 40 on each floor to ensure that an uninterrupted insulating body is created which extends over the entire height of the chimney
Landscapes
- Engineering & Computer Science (AREA)
- Architecture (AREA)
- Physics & Mathematics (AREA)
- Civil Engineering (AREA)
- Structural Engineering (AREA)
- Acoustics & Sound (AREA)
- Electromagnetism (AREA)
- Building Environments (AREA)
- Macromonomer-Based Addition Polymer (AREA)
- Curing Cements, Concrete, And Artificial Stone (AREA)
- Thermal Insulation (AREA)
Abstract
Description
Claims
Applications Claiming Priority (3)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
DE19620600A DE19620600C2 (en) | 1996-05-22 | 1996-05-22 | Device and method for introducing thermal insulation material into cavities |
DE19620600 | 1996-05-22 | ||
PCT/EP1997/002562 WO1997044545A1 (en) | 1996-05-22 | 1997-05-20 | Method and device for insulating building parts and installations |
Publications (2)
Publication Number | Publication Date |
---|---|
EP0900307A1 true EP0900307A1 (en) | 1999-03-10 |
EP0900307B1 EP0900307B1 (en) | 2000-11-08 |
Family
ID=7795012
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
EP97924959A Expired - Lifetime EP0900307B1 (en) | 1996-05-22 | 1997-05-20 | Method and device for insulating building parts and installations |
Country Status (4)
Country | Link |
---|---|
EP (1) | EP0900307B1 (en) |
AT (1) | ATE197485T1 (en) |
DE (2) | DE19620600C2 (en) |
WO (1) | WO1997044545A1 (en) |
Families Citing this family (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US6805737B2 (en) | 1997-03-26 | 2004-10-19 | Fraunhofer-Gesellschaft zur Förderung der angewandten Forschung e.V. | Lightweight substance molded body, method for the production and use thereof |
IT1309463B1 (en) * | 1999-03-31 | 2002-01-23 | Impresa Marinoni S R L | PRODUCT AND PROCEDURE FOR FIREPROOF INSULATION. |
DE19962474A1 (en) * | 1999-12-24 | 2001-08-09 | Hautec Systemelemente Gmbh | Inner wall for building has base frame with non-flammable infill formed of granular particulates |
DE10050314A1 (en) * | 2000-10-10 | 2002-04-11 | Hans Viesmann | Wall construction unit, for cool zone cells, has thin facing plates to contain shaped tile insulation bodies between them of a non-combustible material, bonded with expansion joints |
EP1969934A1 (en) | 2007-03-12 | 2008-09-17 | Bayer CropScience AG | 4-cycloalkyl or 4-aryl substituted phenoxy phenylamidines and their use as fungicides |
Family Cites Families (13)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US2200713A (en) * | 1937-12-24 | 1940-05-14 | Wenzel | Building insulation and method for producing same |
US2437831A (en) * | 1940-05-09 | 1948-03-16 | Rex Mfg Company Inc | Apparatus for applying insulation |
FR1003256A (en) * | 1946-12-27 | 1952-03-17 | Device for the projection of fibrous materials with a view to obtaining insulating coatings | |
GB871635A (en) * | 1958-12-17 | 1961-06-28 | Expanded Perlite Ltd | Improvements in or relating to plant, equipment and methods for insulation by means of powdered insulation materials |
DE3103111A1 (en) * | 1981-01-30 | 1982-08-26 | Aloys Dr. Wüstefeld | Fine-grained expanded granules and process for their production |
DE3534706A1 (en) * | 1985-09-28 | 1987-04-02 | Kramer Gmbh & Co Kg Hans | Non-combustible or low-flammability lightweight composition |
DE3618735A1 (en) * | 1986-06-04 | 1987-12-10 | Maurer Dietrich | CONCRETE WET SPRAYER |
NO162848C (en) * | 1987-09-11 | 1990-02-28 | Elkem As | PROCEDURE FOR ADDING SILICA DUST TO A DRY SPRAYTE CONCRETE MIXTURE. |
DE4402568A1 (en) * | 1994-01-28 | 1995-08-03 | Josef Gatt | Method and device for inserting granular insulation materials at construction sites |
DE9410491U1 (en) * | 1994-06-29 | 1994-08-18 | Smura, Walter, 59469 Ense | Conveyor |
DE4436043C1 (en) * | 1994-10-10 | 1996-04-25 | Perlite Gmbh | Granular bulk material, process for its production and use |
DE4438627C1 (en) * | 1994-10-13 | 1996-05-09 | Ewald Kandler | Insulating and filler compsn., for roofing systems |
DE4439428A1 (en) * | 1994-11-04 | 1996-05-09 | Willich Daemmstoffe & Isoliers | Crack-resistant lightweight inorganic insulating material |
-
1996
- 1996-05-22 DE DE19620600A patent/DE19620600C2/en not_active Expired - Fee Related
-
1997
- 1997-05-20 EP EP97924959A patent/EP0900307B1/en not_active Expired - Lifetime
- 1997-05-20 DE DE59702608T patent/DE59702608D1/en not_active Expired - Fee Related
- 1997-05-20 AT AT97924959T patent/ATE197485T1/en active
- 1997-05-20 WO PCT/EP1997/002562 patent/WO1997044545A1/en active IP Right Grant
Non-Patent Citations (1)
Title |
---|
See references of WO9744545A1 * |
Also Published As
Publication number | Publication date |
---|---|
DE19620600A1 (en) | 1997-11-27 |
EP0900307B1 (en) | 2000-11-08 |
DE19620600C2 (en) | 2000-05-11 |
DE59702608D1 (en) | 2000-12-14 |
ATE197485T1 (en) | 2000-11-11 |
WO1997044545A1 (en) | 1997-11-27 |
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