JPS6487579A - Hot spraying material for repair - Google Patents

Hot spraying material for repair

Info

Publication number
JPS6487579A
JPS6487579A JP62244967A JP24496787A JPS6487579A JP S6487579 A JPS6487579 A JP S6487579A JP 62244967 A JP62244967 A JP 62244967A JP 24496787 A JP24496787 A JP 24496787A JP S6487579 A JPS6487579 A JP S6487579A
Authority
JP
Japan
Prior art keywords
grain size
repair
sio2
silica
terms
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.)
Granted
Application number
JP62244967A
Other languages
Japanese (ja)
Other versions
JPH0791118B2 (en
Inventor
Saburo Matsuo
Akihiko Inoue
Toshihiko Takeshige
Yasushi Tokuse
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.)
Taiko Refractories Co Ltd
Nippon Steel Corp
Original Assignee
Taiko Refractories Co Ltd
Nippon Steel Corp
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 Taiko Refractories Co Ltd, Nippon Steel Corp filed Critical Taiko Refractories Co Ltd
Priority to JP62244967A priority Critical patent/JPH0791118B2/en
Publication of JPS6487579A publication Critical patent/JPS6487579A/en
Publication of JPH0791118B2 publication Critical patent/JPH0791118B2/en
Anticipated expiration legal-status Critical
Expired - Fee Related legal-status Critical Current

Links

Landscapes

  • Ceramic Products (AREA)
  • Treatment Of Steel In Its Molten State (AREA)
  • Furnace Housings, Linings, Walls, And Ceilings (AREA)

Abstract

PURPOSE:To obtain a hot spraying material for repair which is improved in corrosion resistance, adhesiveness, adhesion and mechanical strength by adding specific powdery sodium silicate and phosphates to a refractory mixture which contains superfine particles of silica and is adjusted in grain size. CONSTITUTION:This hot spraying material for repair is prepd. by mixing the powdery sodium silicate (A) having <=50mu central grain size and contg. SiO2/Na2 O=2.6-2.8 and the phosphates (B) at B/A=0.05-1 (weight ratio) mixing ratio and adding the same at 2-8wt.% in total thereof to the refractory mixture which contains the superfine particles of silica and is adjusted in grain size. The superfine particles of silica which are produced at the time of producing ferrosilicon and are the spherical particles having <=1mu central grain size are more preferable as the superfine ferrosilicon to be used. The content of the powdery sodium silicate is undesirable in terms of refractoriness, adhesiveness and adhesion, etc., if the ratio thereof is SiO2/Na2O=2.6 or below. The tackiness is too high and such is undesirable in terms of application at SiO2/Na2O=2.8 or above. There is a problem in terms of the dissolution rate in water at >=50mu central grain size.
JP62244967A 1987-09-28 1987-09-28 Spray material for hot repair Expired - Fee Related JPH0791118B2 (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP62244967A JPH0791118B2 (en) 1987-09-28 1987-09-28 Spray material for hot repair

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP62244967A JPH0791118B2 (en) 1987-09-28 1987-09-28 Spray material for hot repair

Publications (2)

Publication Number Publication Date
JPS6487579A true JPS6487579A (en) 1989-03-31
JPH0791118B2 JPH0791118B2 (en) 1995-10-04

Family

ID=17126618

Family Applications (1)

Application Number Title Priority Date Filing Date
JP62244967A Expired - Fee Related JPH0791118B2 (en) 1987-09-28 1987-09-28 Spray material for hot repair

Country Status (1)

Country Link
JP (1) JPH0791118B2 (en)

Also Published As

Publication number Publication date
JPH0791118B2 (en) 1995-10-04

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Legal Events

Date Code Title Description
R250 Receipt of annual fees

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R250 Receipt of annual fees

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LAPS Cancellation because of no payment of annual fees