US2011946A - Method of extinguishing alcohol fires - Google Patents

Method of extinguishing alcohol fires Download PDF

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Publication number
US2011946A
US2011946A US740634A US74063434A US2011946A US 2011946 A US2011946 A US 2011946A US 740634 A US740634 A US 740634A US 74063434 A US74063434 A US 74063434A US 2011946 A US2011946 A US 2011946A
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United States
Prior art keywords
liquid
extinguishing
water
foam
fires
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Expired - Lifetime
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US740634A
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Benjamin A Moeller
Estates Palos Verdes
Gerald M Fisher
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Priority to US740634A priority Critical patent/US2011946A/en
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    • A—HUMAN NECESSITIES
    • A62—LIFE-SAVING; FIRE-FIGHTING
    • A62C—FIRE-FIGHTING
    • A62C3/00—Fire prevention, containment or extinguishing specially adapted for particular objects or places
    • A62C3/06—Fire prevention, containment or extinguishing specially adapted for particular objects or places of highly inflammable material, e.g. light metals, petroleum products
    • A62C3/065—Fire prevention, containment or extinguishing specially adapted for particular objects or places of highly inflammable material, e.g. light metals, petroleum products for containers filled with inflammable liquids
    • A—HUMAN NECESSITIES
    • A62—LIFE-SAVING; FIRE-FIGHTING
    • A62C—FIRE-FIGHTING
    • A62C3/00—Fire prevention, containment or extinguishing specially adapted for particular objects or places
    • A62C3/06—Fire prevention, containment or extinguishing specially adapted for particular objects or places of highly inflammable material, e.g. light metals, petroleum products

Definitions

  • a layer of fire-extinguishing foam is in As is well known, this foam is generated by mixing a solution of aluminum sulphate with a solution of sodium bicarbonate with ordinarily the addition of a solution of glue, licorice, or some other stabilizing substance.
  • This foam consists to a large extent of water and is useless for application to burning liquids such as alcohol which are readily miscible with water because the foam immediately breaks down and loses its extinguishing value.
  • the method may be applied to the protection of tanks containing any water-soluble inflammable substance such as the lower alcohols, ethers, and other organic liquids, and in place of gasoline
  • any petroleum product which is insoluble or very slowly soluble in the liquid to be protected and which is not miscible with water, and which is specifically lighter than the mixture to be protected.
  • the attached drawing illustrates a tank protected in the manner above disclosed.
  • C is the upper level of the water soluble inflammable liquid, such as alcohol
  • B indicates a layer of specifically lighter liquid, such as gasoline
  • A indicates a layer of fire extinguishing foam.

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  • Chemical & Material Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • General Chemical & Material Sciences (AREA)
  • Oil, Petroleum & Natural Gas (AREA)
  • Health & Medical Sciences (AREA)
  • Public Health (AREA)
  • Business, Economics & Management (AREA)
  • Emergency Management (AREA)
  • Fire-Extinguishing Compositions (AREA)

Description

169-44. OR 2,611,946- f gwgf k Aug. 20, 1935. B,. A. MOELLER ET AL 2,011,946 N METHOD OF EXTINGUISHING ALCOHOL FIRES Filed Aug. 20. 1934 BENJAMIN A. MOELLER GERA M. FISHER 24 d.
/NVENTORS .A TTORNE V wide-spread use.
Patented Aug. 20, 1935 UNITED STATES PATENT OFFICE Benjamin A. Mueller, Palos Verdes Estates, and Gerald M. Fisher, Los Angeles, Calif.
Application August 20, 1934, Serial No. 740,634
1 Claim.
The method of extinguishing fires occurring in tanks of petroleum or its product which consists in flowing over the surface of the burning liquid a layer of fire-extinguishing foam is in As is well known, this foam is generated by mixing a solution of aluminum sulphate with a solution of sodium bicarbonate with ordinarily the addition of a solution of glue, licorice, or some other stabilizing substance.
This foam consists to a large extent of water and is useless for application to burning liquids such as alcohol which are readily miscible with water because the foam immediately breaks down and loses its extinguishing value.
We have discovered that if an inflammable liquid which is not miscible with water, such as gasoline or one of the light petroleum products, and which is specifically lighter than the watersoluble liquid contained in the tank, be flowed over the surface of the burning water-soluble liquid and the foam then flowed over the surface of the burning gasoline, the fire is extinguished with the same speed and readiness as would be the case if the contents of the tank were gasoline alone.
The method may be applied to the protection of tanks containing any water-soluble inflammable substance such as the lower alcohols, ethers, and other organic liquids, and in place of gasoline We may use any petroleum product which is insoluble or very slowly soluble in the liquid to be protected and which is not miscible with water, and which is specifically lighter than the mixture to be protected.
The attached drawing illustrates a tank protected in the manner above disclosed. In this drawing C is the upper level of the water soluble inflammable liquid, such as alcohol, B indicates a layer of specifically lighter liquid, such as gasoline, and A indicates a layer of fire extinguishing foam.
I claim as my invention:
The method of extinguishing fires occurring in tanks containing inflammable liquids miscible with water which consists in flowing over the surface of said liquid a second liquid specifically lighter than the burning liquid and substantially insoluble in both the burning liquid and in water, and thereafter flowing over the surface of the layer of said second liquid a fire-extinguishing foam.
BENJAMIN A. MOELLER. GERALD M. FISHER.
US740634A 1934-08-20 1934-08-20 Method of extinguishing alcohol fires Expired - Lifetime US2011946A (en)

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Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN102921123A (en) * 2012-10-31 2013-02-13 中国石油化工股份有限公司 Self-trigger fire control capsule device for dangerous chemical storage tank

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN102921123A (en) * 2012-10-31 2013-02-13 中国石油化工股份有限公司 Self-trigger fire control capsule device for dangerous chemical storage tank
CN102921123B (en) * 2012-10-31 2015-09-30 中国石油化工股份有限公司 For the fire-fighting of the triggering certainly bag apparatus of hazardous chemical storage tank

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