KR910007814A - 감소된 NOx 발생을 갖는 유리용융방법 - Google Patents

감소된 NOx 발생을 갖는 유리용융방법 Download PDF

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Publication number
KR910007814A
KR910007814A KR1019900017309A KR900017309A KR910007814A KR 910007814 A KR910007814 A KR 910007814A KR 1019900017309 A KR1019900017309 A KR 1019900017309A KR 900017309 A KR900017309 A KR 900017309A KR 910007814 A KR910007814 A KR 910007814A
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South Korea
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vessel
temperature
preheating
combustion
forming material
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KR1019900017309A
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English (en)
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KR950008577B1 (ko
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히사시 고바야시
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원본미기재
유니온 카바이드 인더스트리얼 개시즈 테크놀로지 코포레이션
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    • C—CHEMISTRY; METALLURGY
    • C03—GLASS; MINERAL OR SLAG WOOL
    • C03B—MANUFACTURE, SHAPING, OR SUPPLEMENTARY PROCESSES
    • C03B5/00—Melting in furnaces; Furnaces so far as specially adapted for glass manufacture
    • C03B5/16—Special features of the melting process; Auxiliary means specially adapted for glass-melting furnaces
    • C—CHEMISTRY; METALLURGY
    • C03—GLASS; MINERAL OR SLAG WOOL
    • C03B—MANUFACTURE, SHAPING, OR SUPPLEMENTARY PROCESSES
    • C03B5/00—Melting in furnaces; Furnaces so far as specially adapted for glass manufacture
    • C03B5/16—Special features of the melting process; Auxiliary means specially adapted for glass-melting furnaces
    • C03B5/235—Heating the glass
    • C03B5/2353—Heating the glass by combustion with pure oxygen or oxygen-enriched air, e.g. using oxy-fuel burners or oxygen lances
    • C—CHEMISTRY; METALLURGY
    • C03—GLASS; MINERAL OR SLAG WOOL
    • C03B—MANUFACTURE, SHAPING, OR SUPPLEMENTARY PROCESSES
    • C03B3/00—Charging the melting furnaces
    • C03B3/02—Charging the melting furnaces combined with preheating, premelting or pretreating the glass-making ingredients, pellets or cullet
    • 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
    • Y02P—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION OR PROCESSING OF GOODS
    • Y02P40/00—Technologies relating to the processing of minerals
    • Y02P40/50—Glass production, e.g. reusing waste heat during processing or shaping

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  • Chemical & Material Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • Materials Engineering (AREA)
  • Organic Chemistry (AREA)
  • Combustion & Propulsion (AREA)
  • Glass Melting And Manufacturing (AREA)
  • Glass Compositions (AREA)

Abstract

내용 없음

Description

감소된 NOx발생을 갖는 유리용융방법
본 내용은 요부공개 건이므로 전문내용을 수록하지 않았음
도면은 본 발명의 바람직한 실시예의 단면도이다.

Claims (13)

  1. 유리형성재를 용융하기 위한 방법에 있어서, (a)예열용기내에서 유리형성재를 가열하는 단계; (b) 상기 예열용기로 부터의 가열한 유리형성재를 용융용기로 통과시키는 단계;(c) 30%이상의 산소농도를 갖는 연료 및 산화제를 2200℃이하의 피이크 불꽃온도에서 연소시켜 고온연소 생성물을 생산하여 상기 가열한 유리형성재를 용융하기위해 상기 용융용기에 열을 제공하는 단계; (d)단계(a)의 가열을 행하기위해 용융용기로부터의 고온연소 생성물을 예열용기로 통과시키는 단계; 및 (e)연소생성물을 예열용기로부터 방출시키는 단계로 구성됨을 특징으로 하는 방법.
  2. 제1항에 있어서, 상기 유리형성재를 상기 예열용기내에서 270℃이상의 온도로 가열함을 특징으로 하는 방법.
  3. 제1항에 있어서, 단계(c)의 연소가 환원제로써 기계적으로 순수한 산소에 의해 행해짐을 특징으로 하는 방법.
  4. 제1항에 있어서, 부가적 연소생성물을 단계(a)의 가열용 예열용기로 제공하기 위해 연료 및 공기를 연소하는 단계를 더 구성함을 특징으로 하는 방법.
  5. 제1항에 있어서, 상기 연소생성물이 815℃이하의 온도에서 예열용기로부터 방출함을 특징으로 하는 방법.
  6. 제1항에 있어서, 단계(c)의 연소의 피이크 불꽃온도가 1650내지 2090℃의 범위임을 특징으로 하는 방법.
  7. 제1항에 있어서, 상기 유리형성재가 스크랩 유리를 포함함을 특징으로 하는 방법.
  8. 제1항에 있어서, 상기 피이크 불꽃온도가 불꽃영역에로의 로가스의 유입에 의해 2200℃이하로 유지됨을 특징으로 하는 방법.
  9. 제1항에 있어서, 상기 예열용기로부터 용융용기로 통과하는 가열한 유리형성재와 함께 역류로 흘러 고온 연소생성물이 용융용기로부터 예열용기로 통과함을 특징으로 하는 방법.
  10. 제1항에 있어서, 유리형성재가 1090℃이상의 소결온도를 갖는 재료만으로 구성됨을 특징으로 하는 방법.
  11. 제1항에 있어서, 상기 산화제가 10%이하의 질소로 구성됨을 특징으로 하는 방법.
  12. 제1항에 있어서, 연도가스를 산화제에 재순환함으로써 상기 피이크 불꽃온도가 2200℃이하로 유지됨을 특징으로 하는 방법.
  13. 제1항에 있어서, 연료 부화조건에서 연료 및 산화제의 연소를 행함으로써 상기 피이크 불꽃온도가 2200℃이하로 유지됨을 특징으로 하는 방법.
    ※ 참고사항 : 최초출원 내용에 의하여 공개하는 것임.
KR1019900017309A 1989-10-30 1990-10-29 NO_x 발생을 감소시키는 유리 용융 방법 KR950008577B1 (ko)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
US07/428,891 US4973346A (en) 1989-10-30 1989-10-30 Glassmelting method with reduced nox generation
US07/428,891 1989-10-30

Publications (2)

Publication Number Publication Date
KR910007814A true KR910007814A (ko) 1991-05-30
KR950008577B1 KR950008577B1 (ko) 1995-08-03

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KR1019900017309A KR950008577B1 (ko) 1989-10-30 1990-10-29 NO_x 발생을 감소시키는 유리 용융 방법

Country Status (6)

Country Link
US (1) US4973346A (ko)
EP (1) EP0426082A1 (ko)
JP (1) JPH03153528A (ko)
KR (1) KR950008577B1 (ko)
BR (1) BR9005441A (ko)
CA (1) CA2028769C (ko)

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Also Published As

Publication number Publication date
BR9005441A (pt) 1991-09-17
EP0426082A1 (en) 1991-05-08
CA2028769A1 (en) 1991-05-01
CA2028769C (en) 1995-12-12
US4973346A (en) 1990-11-27
JPH03153528A (ja) 1991-07-01
KR950008577B1 (ko) 1995-08-03

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