EP0448838B1 - Elément de fermeture et/ou de liaison périphérique et thermiquement chargé pour chaudière - Google Patents

Elément de fermeture et/ou de liaison périphérique et thermiquement chargé pour chaudière Download PDF

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Publication number
EP0448838B1
EP0448838B1 EP90125607A EP90125607A EP0448838B1 EP 0448838 B1 EP0448838 B1 EP 0448838B1 EP 90125607 A EP90125607 A EP 90125607A EP 90125607 A EP90125607 A EP 90125607A EP 0448838 B1 EP0448838 B1 EP 0448838B1
Authority
EP
European Patent Office
Prior art keywords
layer
boiler
heat
peripheral
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.)
Expired - Lifetime
Application number
EP90125607A
Other languages
German (de)
English (en)
Other versions
EP0448838A1 (fr
Inventor
Hans Dr. Viessmann
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Viessmann Werke GmbH and Co KG
Original Assignee
Viessmann Werke GmbH and Co KG
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed by Viessmann Werke GmbH and Co KG filed Critical Viessmann Werke GmbH and Co KG
Publication of EP0448838A1 publication Critical patent/EP0448838A1/fr
Application granted granted Critical
Publication of EP0448838B1 publication Critical patent/EP0448838B1/fr
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

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Classifications

    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F23—COMBUSTION APPARATUS; COMBUSTION PROCESSES
    • F23J—REMOVAL OR TREATMENT OF COMBUSTION PRODUCTS OR COMBUSTION RESIDUES; FLUES 
    • F23J13/00—Fittings for chimneys or flues 
    • F23J13/02—Linings; Jackets; Casings
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F23—COMBUSTION APPARATUS; COMBUSTION PROCESSES
    • F23J—REMOVAL OR TREATMENT OF COMBUSTION PRODUCTS OR COMBUSTION RESIDUES; FLUES 
    • F23J13/00—Fittings for chimneys or flues 
    • F23J13/08—Doors or covers specially adapted for smoke-boxes, flues, or chimneys
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F24—HEATING; RANGES; VENTILATING
    • F24H—FLUID HEATERS, e.g. WATER OR AIR HEATERS, HAVING HEAT-GENERATING MEANS, e.g. HEAT PUMPS, IN GENERAL
    • F24H9/00—Details
    • F24H9/0005—Details for water heaters
    • F24H9/0036—Dispositions against condensation of combustion products
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F24—HEATING; RANGES; VENTILATING
    • F24H—FLUID HEATERS, e.g. WATER OR AIR HEATERS, HAVING HEAT-GENERATING MEANS, e.g. HEAT PUMPS, IN GENERAL
    • F24H9/00—Details
    • F24H9/02—Casings; Cover lids; Ornamental panels

Definitions

  • the invention relates to peripheral and heat-stressed connection and / or closure elements for boilers according to the preamble of claim 1.
  • connection and / or closure elements for boilers were, in particular, straight and / or curved flue gas pipes, flue gas collecting boxes, rear combustion chamber boundary walls and finally also any type of closure covers and closure doors, as are required on boilers depending on the design.
  • the most varied and more or less optimal insulation methods and designs are well known for the thermal insulation of boilers themselves. So far, more or less, the actual exhaust area of boilers has been neglected, ie in particular the exhaust pipes leading to the chimney, which as a rule remained uninsulated due to the relatively high installation effort for attaching insulation mats or the like.
  • flue gas plenum chambers are provided on such boilers on the flue gas exhaust pipe, they were insulated (see US-A-4 320 869), but because of their peripheral assignment to the boiler, it was always difficult and associated with additional effort, such flue gas flue boxes, Regardless of whether they were located in the rear wall or in the front wall area depending on the boiler design, isolate them or include them in the overall boiler insulation. The same applies to any type of boiler opening lock.
  • the invention is therefore based on the object to provide insulation for peripheral and heat-stressed connection and / or closure elements of boilers, with which the manufacturer of such elements and also the boiler manufacturer, which usually supplies such elements, should be able to do so to be able to produce such insulation from the outset in the simplest way, so that it is not necessary from the outset to add insulation or, as far as flue gas collection boxes and closure elements on the boiler are concerned, their insulation can be simplified, with the proviso that at the same time for one to provide good sealing options.
  • This solution according to the invention is therefore not known insulation materials, such as, for example, the article according to US Pat. No. 4,320,869, such as laminated glass fiber or rock wool mats, and also not heat-resistant foamable plastics, which in heating boilers anyway are only available in non-critical ones Areas can be applied, but by an example Spraying or brushing-on mass with dispersion character and inorganic fillers, for which it is essential, in addition to thermal insulation and resistance, to be tough and firmly adhering and which is also softenable, so that it can also meet the condition that it can simultaneously act as a sealant .
  • insulation materials such as, for example, the article according to US Pat. No. 4,320,869, such as laminated glass fiber or rock wool mats, and also not heat-resistant foamable plastics, which in heating boilers anyway are only available in non-critical ones Areas can be applied, but by an example Spraying or brushing-on mass with dispersion character and inorganic fillers, for which it is essential, in addition to thermal
  • the entire outer surface of the element in question is provided with this layer, that is to say also the areas which are no longer exposed after installation or connection to the boiler.
  • the layer in the slide-on or connection area simply pushes together, remains in the gap between the two elements to be joined, depending on the dimensional tolerances, and can then also be spread again by hand or with a suitable auxiliary tool without further expansion of the bulge formed to be smoothed. Special measures for the subsequent drying of the mass are not necessary, since this results practically by itself.
  • peripheral and heat-loaded connection and / or closure elements according to the invention are explained in more detail below with reference to the drawing of exemplary embodiments.
  • connection or closure elements shown do not require any further explanation in detail, since these are known and also with regard to their assignment to one another and to the boiler in question. All of the elements shown have in common that their entire outer surface 2 is coated with the layer 3 (shown in dash-dot lines), which has the same properties for all of the illustrated embodiments, ie this layer is suitable in a suitable manner, in particular by spraying Dispersion compound with mineral fillers, which has both heat and sound insulation properties, is heat-resistant and tough in itself, adheres to metallic surfaces both in the wet and dry state and is also softenable. These properties, as indicated schematically in FIG.
  • the layer forming the insulation material contains the following components in the softened, ie ready for application: 12-18% water glass 45-55% H2O 20 - 30% mineral fillers 3 - 5% plastic polymers, such as VAC, acrylate or their copolymers 4-6% KOH
  • a composition composed in this way has good mechanical resistance and excellent adhesion to the substrate and shows an elasticity which, for example, permits sawing of appropriately coated pipes without the coating peeling off.
  • the material is easy to spray and shows an appealing spray pattern. Temperature resistance is given, and there is neither smoke nor odor nuisance when heated. Water at room temperature is expediently used for the softening in order to achieve softening times in the range from 10 to 15 min. to adhere to.
  • the softened or softened material solidifies again to a solid insulating mass as before adding water.

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • General Engineering & Computer Science (AREA)
  • Physics & Mathematics (AREA)
  • Thermal Sciences (AREA)
  • Chemical & Material Sciences (AREA)
  • Combustion & Propulsion (AREA)
  • Thermal Insulation (AREA)
  • Gasket Seals (AREA)
  • Cable Accessories (AREA)
  • Adhesives Or Adhesive Processes (AREA)
  • Quick-Acting Or Multi-Walled Pipe Joints (AREA)
  • Supporting Of Heads In Record-Carrier Devices (AREA)
  • Steam Or Hot-Water Central Heating Systems (AREA)
  • Pressure Welding/Diffusion-Bonding (AREA)
  • Roof Covering Using Slabs Or Stiff Sheets (AREA)

Claims (3)

  1. Eléments de raccordement et/ou de fermeture périphériques et sollicités thermiquement, pour chaudières, dont la surface extérieure est pourvue d'une couche d'isolation thermique et phonique, résistant aux températures élevées et adhérant à ladite surface, caractérisés en ce que la couche (3) est constituée de matériau isolant pouvant être ramolli à l'eau, en permettant ainsi aux zones de la surface (2) recouvertes ou se chevauchant à l'état monté, d'être également revêtues, la couche formant le matériau isolant renfermant, à l'état ramolli, les composants suivants:
       12 - 18 % de verre soluble
       45 - 55 % H₂O
       20 - 30 % de charges minérales
       3 - 5 % de matières plastiques du type polymère, telles que VAC, acrylate ou leur copolymères
       4 - 6 % KOH
  2. Eléments selon la revendication 1, caractérisés en ce que la couche (3) est réalisée de manière à présenter une épaisseur de 2 - 10 mm, de préférence de 5 - 6 mm.
  3. Eléments selon la revendication 1 ou 2, caractérisés en ce que la couche (3) est appliquée par projection au pistolet.
EP90125607A 1990-03-27 1990-12-27 Elément de fermeture et/ou de liaison périphérique et thermiquement chargé pour chaudière Expired - Lifetime EP0448838B1 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE4009767A DE4009767C1 (fr) 1990-03-27 1990-03-27
DE4009767 1990-03-27

Publications (2)

Publication Number Publication Date
EP0448838A1 EP0448838A1 (fr) 1991-10-02
EP0448838B1 true EP0448838B1 (fr) 1995-08-02

Family

ID=6403132

Family Applications (1)

Application Number Title Priority Date Filing Date
EP90125607A Expired - Lifetime EP0448838B1 (fr) 1990-03-27 1990-12-27 Elément de fermeture et/ou de liaison périphérique et thermiquement chargé pour chaudière

Country Status (5)

Country Link
EP (1) EP0448838B1 (fr)
AT (1) ATE125932T1 (fr)
DE (2) DE4009767C1 (fr)
DK (1) DK0448838T3 (fr)
ES (1) ES2075130T3 (fr)

Families Citing this family (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE9101553U1 (de) * 1991-02-12 1991-05-16 Vießmann, Hans, Dr., 3559 Battenberg Rauchgasabzugsrohr
DE9106462U1 (de) * 1991-02-12 1991-09-12 Vießmann, Hans, Dr., 3559 Battenberg Rauchgasabzugsrohr
CN111854142A (zh) * 2019-04-24 2020-10-30 华帝股份有限公司 一种燃气热水器防倒风控制方法及燃气热水器

Family Cites Families (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DD131744A1 (de) * 1977-06-24 1978-07-19 Siegfried Bowens Temperaturwechselbestaendige,waerme-und schalldaemmende sowie chemisch resistente beschichtung
US4320869A (en) * 1978-01-03 1982-03-23 Ebert Edward A Flue gas trap and diverter

Also Published As

Publication number Publication date
DE59009476D1 (de) 1995-09-07
EP0448838A1 (fr) 1991-10-02
DE4009767C1 (fr) 1991-02-28
DK0448838T3 (da) 1995-10-02
ES2075130T3 (es) 1995-10-01
ATE125932T1 (de) 1995-08-15

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