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WO1997005075A1 - Procede et dispositif permettant de polir du verre au feu - Google Patents

Procede et dispositif permettant de polir du verre au feu Download PDF

Info

Publication number
WO1997005075A1
WO1997005075A1 PCT/EP1996/003153 EP9603153W WO9705075A1 WO 1997005075 A1 WO1997005075 A1 WO 1997005075A1 EP 9603153 W EP9603153 W EP 9603153W WO 9705075 A1 WO9705075 A1 WO 9705075A1
Authority
WO
WIPO (PCT)
Prior art keywords
acetylene
fuel gas
burner
fire
polishing glass
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.)
Ceased
Application number
PCT/EP1996/003153
Other languages
German (de)
English (en)
Inventor
Kamill GÖPP
Berthold PASSLICK
Herbert STÜRMANN
Johannes Nahen
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.)
Linde Sverige AB
Original Assignee
AGA AB
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 AGA AB filed Critical AGA AB
Priority to SK95-98A priority Critical patent/SK9598A3/sk
Priority to EP96926359A priority patent/EP0842126A1/fr
Priority to BR9610101A priority patent/BR9610101A/pt
Publication of WO1997005075A1 publication Critical patent/WO1997005075A1/fr
Anticipated expiration legal-status Critical
Ceased legal-status Critical Current

Links

Classifications

    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F23—COMBUSTION APPARATUS; COMBUSTION PROCESSES
    • F23K—FEEDING FUEL TO COMBUSTION APPARATUS
    • F23K5/00—Feeding or distributing other fuel to combustion apparatus
    • F23K5/002—Gaseous fuel
    • C—CHEMISTRY; METALLURGY
    • C03—GLASS; MINERAL OR SLAG WOOL
    • C03B—MANUFACTURE, SHAPING, OR SUPPLEMENTARY PROCESSES
    • C03B29/00—Reheating glass products for softening or fusing their surfaces; Fire-polishing; Fusing of margins

Definitions

  • Fuel gas-oxygen lambs are used for this purpose, which are produced by external-mixing burners, natural gas, ethane, propane, butane, town gas or similar gases which contain no or a negligible proportion of acetylene being used as the fuel gas.
  • Acetylene is not used for fire polishing of glass because its flame damages the glass; depending on the setting, it is either too hot or contains a portion of free carbon that penetrates into the glass surface and discolors it.
  • the result of fire polishing in particular in the case of articles with a deeply structured surface, can be improved by using a fuel gas which to a lesser extent consists of acetylene which is mixed with the other fuel gas .
  • the acetylene content is below 50%, preferably also below 30%, more preferably between 10 to 25%.
  • the acetylene component produces a luminous flame in which the carbon released when the acetylene decomposes emits intensive heat radiation which, in addition to convection, improves the heat transfer to the surface to be treated, in particular also in the depths of the surface structure. Surprisingly, it has been shown that the carbon content in the flame does not adversely affect the glass surface. area leads. This may be related to the fact that the acetylene is so diluted by the remaining, multi-bond-free fuel gas that the carbon particles burn faster than is the case in a pure or more enriched acetylene flame in which the carbon particles tend to soot coagulation.
  • the fuel gas according to the invention is expediently produced in or immediately upstream of the burner as a mixture of a substantially acetylene-free fuel gas, for example as has previously been used for fire polishing, and acetylene.
  • a burner arrangement according to the invention expediently has a connection for the supply of acetylene in addition to the connection for conventional fuel gas and for oxygen, the fuel gas connection and the acetylene connection leading to a mixing device from which The burner opening or burner openings are fed here.
  • Oxygen is supplied to the burner 1, which can be of a conventional, external-mixing design, via a line 2 with a manual regulating valve and pressure reducer 4. Furthermore, the burner 1 has a fuel gas connection 5, which is connected to a backstop 6 is connected to a mixing device 7. On the one hand, this is fed with natural gas via a line 8 which contains a manual regulating valve 9 and a pressure reducer 10. On the other hand, it is fed with acetylene via a line 11, which contains a withdrawal safety device 12, a quantity indicator 13, a manual regulating valve 14 and a pressure reducer 15.
  • the mixing device 7 is designed as a Venturi mixer. However, other mixing devices can also be used which allow the acetylene to be mixed sufficiently uniformly into the remaining fuel gas.

Landscapes

  • Engineering & Computer Science (AREA)
  • Chemical & Material Sciences (AREA)
  • Combustion & Propulsion (AREA)
  • Mechanical Engineering (AREA)
  • General Engineering & Computer Science (AREA)
  • Materials Engineering (AREA)
  • Organic Chemistry (AREA)
  • Gas Burners (AREA)
  • Glass Compositions (AREA)

Abstract

L'invention concerne un procédé permettant de polir du verre au feu à l'aide d'une flamme de gaz combustible/oxygène, qui se caractérise en ce que le gaz combustible contient entre 10 et 50 % en volume d'acétylène. Ce gaz combustible peut être obtenu par mélange de gaz combustible classique, sensiblement exempt d'acétylène, avec de l'acétylène. Un dispositif permettant de mettre ledit procédé en ÷uvre, comporte un brûleur en amont des ajutages duquel est monté un dispositif mélangeur, alimenté par des prises de gaz combustible et d'acétylène séparées.
PCT/EP1996/003153 1995-07-28 1996-07-17 Procede et dispositif permettant de polir du verre au feu Ceased WO1997005075A1 (fr)

Priority Applications (3)

Application Number Priority Date Filing Date Title
SK95-98A SK9598A3 (en) 1995-07-28 1996-07-17 Method and device for fire-polishing glass
EP96926359A EP0842126A1 (fr) 1995-07-28 1996-07-17 Procede et dispositif permettant de polir du verre au feu
BR9610101A BR9610101A (pt) 1995-07-28 1996-07-17 Processo e dispositivo para polir vidro a fogo

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE19527790A DE19527790A1 (de) 1995-07-28 1995-07-28 Verfahren und Anordnung zum Feuerpolieren von Glas
DE19527790.2 1995-07-28

Publications (1)

Publication Number Publication Date
WO1997005075A1 true WO1997005075A1 (fr) 1997-02-13

Family

ID=7768122

Family Applications (1)

Application Number Title Priority Date Filing Date
PCT/EP1996/003153 Ceased WO1997005075A1 (fr) 1995-07-28 1996-07-17 Procede et dispositif permettant de polir du verre au feu

Country Status (7)

Country Link
EP (1) EP0842126A1 (fr)
BR (1) BR9610101A (fr)
CZ (1) CZ4198A3 (fr)
DE (1) DE19527790A1 (fr)
PL (1) PL324695A1 (fr)
SK (1) SK9598A3 (fr)
WO (1) WO1997005075A1 (fr)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE102006061931B3 (de) * 2006-12-21 2008-04-17 Institut für Physikalische Hochtechnologie e.V. Verfahren zur Herstellung von Quarzglas mit geringem OH-Gehalt

Citations (12)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US1505340A (en) * 1920-01-05 1924-08-19 Carbo Oxygen Company Gaseous fuel
DE402697C (de) * 1923-05-12 1924-09-18 Uebersee Metall Akt Ges Verfahren zum Betriebe von mit Geblaeseflammen arbeitenden Apparaten, wie Metallisierungspistolen, Schweissbrenner usw
GB215739A (en) * 1923-05-11 1925-02-19 Uebersee Metall Ag Method of operating apparatus working with blast flames
US1528766A (en) * 1923-05-28 1925-03-10 James R Rose Gaseous fuel
US1528765A (en) * 1923-05-28 1925-03-10 James R Rose Gaseous fuel
US1581441A (en) * 1923-06-02 1926-04-20 James R Rose Gaseous fuel
DE428654C (de) * 1924-02-28 1926-05-07 Deutsch Englische Quarzschmelz Verfahren zum Schmelzen von Quarzglas und anderen hochfeuerfesten Stoffen
US1626739A (en) * 1924-03-26 1927-05-03 Graham Glass Company Method and apparatus for fire-finishing glass articles
GB570647A (en) * 1941-09-04 1945-07-17 Joseph William Hobbs Improvements in and relating to methods and apparatus for mixing and supplying gaseous fuels
GB630221A (en) * 1947-03-13 1949-10-07 Samuel Harry White Gaseous fuel mixtures
FR2037541A1 (fr) * 1970-03-03 1970-12-31 Daum & Cie
EP0060769A1 (fr) * 1981-03-16 1982-09-22 L'air Liquide, Societe Anonyme Pour L'etude Et L'exploitation Des Procedes Georges Claude Combustible ternaire à teneur sensiblement constante en acétylène dans les phases liquide et vapeur

Family Cites Families (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE866632C (de) * 1948-10-02 1953-02-12 Rudolf O Dipl-Ing Bracke Brenner fuer Azetylen- oder andere Gas-Luft-Gemische zum Schweissen oder Erhitzen von Werkstuecken
FR2551431B1 (fr) * 1983-09-06 1986-08-22 Air Liquide Procede de polissage de la surface d'articles en verre
DE3400710A1 (de) * 1984-01-11 1985-07-18 Siemens AG, 1000 Berlin und 8000 München Gasbrenner zum aeusseren beheizen von glaskoerpern
DD265455A1 (de) * 1987-04-16 1989-03-01 Lauscha Glaskunst Veb Brenner fuer hohlglasverarbeitung
JPH07112931B2 (ja) * 1991-11-22 1995-12-06 東洋ガラス株式会社 ガラス容器の内表面強化方法および装置

Patent Citations (12)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US1505340A (en) * 1920-01-05 1924-08-19 Carbo Oxygen Company Gaseous fuel
GB215739A (en) * 1923-05-11 1925-02-19 Uebersee Metall Ag Method of operating apparatus working with blast flames
DE402697C (de) * 1923-05-12 1924-09-18 Uebersee Metall Akt Ges Verfahren zum Betriebe von mit Geblaeseflammen arbeitenden Apparaten, wie Metallisierungspistolen, Schweissbrenner usw
US1528766A (en) * 1923-05-28 1925-03-10 James R Rose Gaseous fuel
US1528765A (en) * 1923-05-28 1925-03-10 James R Rose Gaseous fuel
US1581441A (en) * 1923-06-02 1926-04-20 James R Rose Gaseous fuel
DE428654C (de) * 1924-02-28 1926-05-07 Deutsch Englische Quarzschmelz Verfahren zum Schmelzen von Quarzglas und anderen hochfeuerfesten Stoffen
US1626739A (en) * 1924-03-26 1927-05-03 Graham Glass Company Method and apparatus for fire-finishing glass articles
GB570647A (en) * 1941-09-04 1945-07-17 Joseph William Hobbs Improvements in and relating to methods and apparatus for mixing and supplying gaseous fuels
GB630221A (en) * 1947-03-13 1949-10-07 Samuel Harry White Gaseous fuel mixtures
FR2037541A1 (fr) * 1970-03-03 1970-12-31 Daum & Cie
EP0060769A1 (fr) * 1981-03-16 1982-09-22 L'air Liquide, Societe Anonyme Pour L'etude Et L'exploitation Des Procedes Georges Claude Combustible ternaire à teneur sensiblement constante en acétylène dans les phases liquide et vapeur

Non-Patent Citations (2)

* Cited by examiner, † Cited by third party
Title
A.G.PINCUS ET AL.: "Secondary Manufacturing in the Glass Industry", 1978, BOOKS FOR INDUSTRY AND THE GLASS INDUSTRY, N.Y., US, XP002017689 *
A.G.PINCUS ET AL.: "Secondary Manufacturing in the Glass Industry", 1978, BOOKS FOR INDUSTRY AND THE GLASS INDUSTRY, N.Y., US, XP002017690 *

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE102006061931B3 (de) * 2006-12-21 2008-04-17 Institut für Physikalische Hochtechnologie e.V. Verfahren zur Herstellung von Quarzglas mit geringem OH-Gehalt

Also Published As

Publication number Publication date
SK9598A3 (en) 1998-09-09
BR9610101A (pt) 1999-02-17
DE19527790A1 (de) 1997-01-30
PL324695A1 (en) 1998-06-08
CZ4198A3 (cs) 1998-06-17
EP0842126A1 (fr) 1998-05-20

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