GB1015515A - Improvements in or relating to multiple coatings of refractory compositions for hot furnace repair - Google Patents

Improvements in or relating to multiple coatings of refractory compositions for hot furnace repair

Info

Publication number
GB1015515A
GB1015515A GB4887262A GB4887262A GB1015515A GB 1015515 A GB1015515 A GB 1015515A GB 4887262 A GB4887262 A GB 4887262A GB 4887262 A GB4887262 A GB 4887262A GB 1015515 A GB1015515 A GB 1015515A
Authority
GB
United Kingdom
Prior art keywords
coat
lining
iron oxide
chrome ore
reacting
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
Application number
GB4887262A
Inventor
Raymond Jules Demaison
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.)
Quigley Co Inc
Original Assignee
Quigley Co Inc
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 Quigley Co Inc filed Critical Quigley Co Inc
Priority to GB4887262A priority Critical patent/GB1015515A/en
Publication of GB1015515A publication Critical patent/GB1015515A/en
Expired legal-status Critical Current

Links

Classifications

    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F27—FURNACES; KILNS; OVENS; RETORTS
    • F27D—DETAILS OR ACCESSORIES OF FURNACES, KILNS, OVENS, OR RETORTS, IN SO FAR AS THEY ARE OF KINDS OCCURRING IN MORE THAN ONE KIND OF FURNACE
    • F27D1/00—Casings; Linings; Walls; Roofs
    • F27D1/16—Making or repairing linings increasing the durability of linings or breaking away linings
    • F27D1/1636—Repairing linings by projecting or spraying refractory materials on the lining

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • General Engineering & Computer Science (AREA)
  • Furnace Housings, Linings, Walls, And Ceilings (AREA)

Abstract

1,015,515. Furnace linings. QUIGLEY CO. Inc. Dec. 28, 1962, No. 48872/62. Heading F4B. An open hearth furnace lining has sprayed on to its flame exposed face, while the furnace is operating, at least two refractory coatings in superimposed relationship, the first coat reacting with the iron oxide and slag on the lining to form spinels of higher refractoriness than the coat itself and the second coat reacting with iron oxide and slag to form spinels of higher refractoriness than the second coat, the more refractory part of the second coat absorbing and reacting with the iron oxide and slag during normal operation to a greater extent than the other part of the coat so that spinels of a higher refractoriness than the materials comprising the second coat are formed. A chrome-magnesia lining is sprayed with a slurry composed of finely ground chrome ore and magnesia, in approximately the same proportions as the lining, and binder dispersing and suspension agents to facilitate the application of the slurry. One or more coats are applied upon the first, the amounts of chrome ore decreasing and magnesite increasing with each additional coat while still being compatible with the previous coat. The method is applicable to acid and neutral linings also. A suitable composition for a priming coat includes chrome ore, iron oxide (either present in or added to the chrome ore), colloidal clay as the suspension agent, sodium silicate as the binder and metal salts of amyl sulphonic acid as the dispersing agent. Some slurries may be warmed to between 90‹ and 140‹ F. to ensure dilution. Highly refractory materials such as thorium, berylium, zirconium, dolomite and alumina may be used with this method.
GB4887262A 1962-12-28 1962-12-28 Improvements in or relating to multiple coatings of refractory compositions for hot furnace repair Expired GB1015515A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
GB4887262A GB1015515A (en) 1962-12-28 1962-12-28 Improvements in or relating to multiple coatings of refractory compositions for hot furnace repair

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
GB4887262A GB1015515A (en) 1962-12-28 1962-12-28 Improvements in or relating to multiple coatings of refractory compositions for hot furnace repair

Publications (1)

Publication Number Publication Date
GB1015515A true GB1015515A (en) 1966-01-05

Family

ID=10450250

Family Applications (1)

Application Number Title Priority Date Filing Date
GB4887262A Expired GB1015515A (en) 1962-12-28 1962-12-28 Improvements in or relating to multiple coatings of refractory compositions for hot furnace repair

Country Status (1)

Country Link
GB (1) GB1015515A (en)

Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2427567A1 (en) * 1978-06-02 1979-12-28 Veitscher Magnesitwerke Ag PROCESS FOR HOT REPAIR OF REFRACTORY COATINGS
FR2439374A1 (en) * 1978-10-19 1980-05-16 Usinor METHOD FOR COATING THE INTERNAL WALL OF AN OVEN OR THE LIKE
FR2570811A1 (en) * 1984-09-21 1986-03-28 Siderurgie Fse Inst Rech PROCESS FOR GUNITATION THROUGH A FLAME WITH THE PLACEMENT OF TWO LAYERS OF PRODUCTS WITH DIFFERENT DENSITY
CN111875362A (en) * 2020-06-29 2020-11-03 洛阳利尔耐火材料有限公司 Fire facing tile for gasification furnace and preparation method thereof

Cited By (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2427567A1 (en) * 1978-06-02 1979-12-28 Veitscher Magnesitwerke Ag PROCESS FOR HOT REPAIR OF REFRACTORY COATINGS
FR2439374A1 (en) * 1978-10-19 1980-05-16 Usinor METHOD FOR COATING THE INTERNAL WALL OF AN OVEN OR THE LIKE
FR2570811A1 (en) * 1984-09-21 1986-03-28 Siderurgie Fse Inst Rech PROCESS FOR GUNITATION THROUGH A FLAME WITH THE PLACEMENT OF TWO LAYERS OF PRODUCTS WITH DIFFERENT DENSITY
EP0180491A1 (en) * 1984-09-21 1986-05-07 Institut De Recherches De La Siderurgie Francaise (Irsid) Refractory-lining repair process for a metallurgical vessel by flame gunning
CN111875362A (en) * 2020-06-29 2020-11-03 洛阳利尔耐火材料有限公司 Fire facing tile for gasification furnace and preparation method thereof
CN111875362B (en) * 2020-06-29 2022-07-12 洛阳利尔功能材料有限公司 Fire facing tile for gasification furnace and preparation method thereof

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