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Medium-frequency induction furnace bottom impervious castable

A technology for induction furnaces and castables, which is applied in the field of furnace lining materials and can solve problems such as sticky slag penetration

Pending Publication Date: 2021-05-18
铜陵旭时新材料科技有限公司
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0009] The purpose of the present invention is to solve the problem of sticky slag penetration easily occurred in furnace bottom refractory materials in the prior art, and proposes to provide an anti-seepage castable for medium frequency induction furnace bottom, which has the advantages of simple construction, high strength, slag penetration resistance, energy saving and environmental protection It is an effective measure to solve the problem of sticky slag penetration of refractories in the furnace bottom

Method used

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  • Medium-frequency induction furnace bottom impervious castable

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Embodiment 1

[0032] The anti-seepage castable at the bottom of the intermediate frequency induction furnace in this embodiment includes the following components by weight: 47 kg of dense corundum particles, specifically 10 kg of dense corundum particles with a particle size of 5-3 mm; 10 kg of dense corundum particles with a particle size of 3-1 mm 27 kg of dense corundum aggregates; 10 kg of dense corundum aggregates with a particle size of 0-1mm; Active α-Al with D50≈1.7μm 2 o 3 3 kg of fine powder; 2 kg of zirconia fine powder with particle size ≤ 0.074 μm; 3 kg of pure aluminate cement CA-71 cement; 0.5 kg of dispersible alumina fine powder; 0.05 kg of water reducing agent.

[0033] During on-site construction, after the above-mentioned components are accurately weighed according to the ratio, add water and stir to mix evenly before pouring and construction.

Embodiment 2

[0035] The anti-seepage castable at the bottom of the intermediate frequency induction furnace in this embodiment includes the following components by weight: 30 kilograms of dense corundum particles; specifically, 5 kilograms of dense corundum particle aggregates with a particle size of 5 to 3 mm; 17 kg of dense corundum aggregate with a particle size of 1mm; 8 kg of dense corundum aggregate with a particle size of 0-1 mm; 2 o 3 4 kg of fine powder; 2.5 kg of zirconia fine powder; 5 kg of pure aluminate cement CA-71 cement; 0.6 kg of dispersible alumina fine powder; 0.06 kg of water reducer.

[0036]During on-site construction, after the above-mentioned components are accurately weighed according to the ratio, add water and stir to mix evenly before pouring and construction.

Embodiment 3

[0038] The anti-seepage castable at the bottom of the intermediate frequency induction furnace in this embodiment includes the following components by weight: 50 kg of dense corundum particles; specifically, 9 kg of dense corundum particle aggregates with a particle size of 5-3 mm; and a particle size of 3-1 mm The dense corundum granular aggregate is 28 kg; the dense corundum aggregate with a particle size of 0-1mm is 13 kg; 2 o 3 5 kg of fine powder; 3 kg of zirconia fine powder; 4 kg of pure aluminate cement CA-71 cement; 0.8 kg of dispersible alumina fine powder; 0.02 kg of water reducing agent.

[0039] During on-site construction, after the above-mentioned components are accurately weighed according to the ratio, add water and stir to mix evenly before pouring and construction.

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Abstract

The invention discloses a medium-frequency induction furnace bottom impervious castable, and belongs to the field of furnace lining materials. The refractory material comprises the following components in parts by weight: 30-50 weight parts a of dense corundum particles; 8-10 weight parts c of of spinel micro powder; 3-5 weight parts d of active alpha-Al2O3 micro powder; 2-3 weight parts e of zirconium oxide; 0.5-0.8 weight parts f of dispersed Al2O3 micro powder; 3-5 weight parts h of pure aluminate cement; and 0.02-0.1 weight parts i of a water reducing agent. The impervious castable for the furnace bottom of the medium-frequency induction furnace aims at solving the problems that in the prior art, bonded slag permeation is prone to occurring in a furnace bottom refractory material, has the advantages of being easy to construct, high in strength, resistant to slag permeation, capable of saving energy and environmentally friendly, and is an effective measure for solving the bonded slag permeation problem of the current furnace bottom refractory material.

Description

technical field [0001] The invention relates to the technical field of furnace lining materials, in particular to an anti-seepage castable for the furnace bottom of an intermediate frequency induction furnace. Background technique [0002] The intermediate frequency induction furnace used in the foundry industry is widely used in manufacturing industries such as auto parts, valve fittings, railway equipment, agricultural machinery parts, etc. The service life and continuous operation of the intermediate frequency induction furnace directly affect the production efficiency, so higher requirements are put forward for the furnace lining refractory It is also necessary to make improvements and innovations to the existing problems to realize the long-term continuous operation of the medium frequency induction furnace. [0003] At present, when smelting high-alloy steel castings, due to the addition of various alloys such as ferrochrome, ferronickel, ferro-vanadium, and ferro-moly...

Claims

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Application Information

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IPC IPC(8): C04B35/101
CPCC04B35/101C04B2235/3222C04B2235/3244C04B2235/9607C04B2235/96
Inventor 周大清赵章郭林强周易
Owner 铜陵旭时新材料科技有限公司
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