Unlock instant, AI-driven research and patent intelligence for your innovation.

Spray coating for slag pot grid and use method thereof

A technology of spraying coatings and grids, which is applied in the field of waste treatment and comprehensive utilization in the metallurgical industry. It can solve the problems of low one-time removal rate, sticky slag and steel, etc., to improve dispersion and suspension, increase refractoriness, and increase adsorption performance effect

Active Publication Date: 2021-03-09
SHOUGANG CORPORATION +1
View PDF21 Cites 2 Cited by
  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0004] The present invention provides a spray paint for slag tank grid and its application method, in order to solve the technical problem of sticking slag and steel when steel substrate is used as grid to treat casting slag in the prior art, resulting in a low rate of one-time tank removal

Method used

the structure of the environmentally friendly knitted fabric provided by the present invention; figure 2 Flow chart of the yarn wrapping machine for environmentally friendly knitted fabrics and storage devices; image 3 Is the parameter map of the yarn covering machine
View more

Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0057] Embodiment 1 provides a kind of spray coating for slag tank grid and its application method, and the raw material used for spray coating comprises the following components by weight percentage:

[0058] Steel slag powder is 50%, in steel slag powder, the mass fraction of 0.5mm<particle size≤1mm is 6%, the mass fraction of particle size is 0.076~0.5mm is 30%, and the mass fraction of particle size<0.076mm is 64% %;

[0059] Waste magnesia-aluminum spinel brick powder is 36%, in the waste lining bricks of ladle, the mass fraction of 0.5mm<particle size≤1mm is 7%, the mass fraction of particle size is 0.076~0.5mm is 36%, the particle size The mass fraction of <0.076mm is 57%;

[0060] Refining slag powder is 4%, fly ash is 3%, silica micropowder is 6.5%, dispersant is 0.45%, and binder is 0.05%, totaling 100%.

[0061] Steel slag powder is the steel slag tailings material obtained through hot stuffing, crushing, magnetic separation, and screening processes; waste magnesi...

Embodiment 2

[0064] Embodiment 2 provides a kind of spray paint for slag tank grid and its application method, and the raw material used for spray paint comprises the following components by weight percentage:

[0065] Steel slag powder is 45%. In steel slag powder, the mass fraction of 0.5mm < particle size ≤ 1mm is 10%, the mass fraction of particle size 0.076 ~ 0.5mm is 29%, and the mass fraction of particle size < 0.076mm is 61%. %; waste magnesia-alumina spinel brick powder is 35%, in the waste magnesia-alumina spinel brick powder, the mass fraction of 0.5mm<particle size≤1mm is 8%, the mass fraction of particle size is 0.076~0.5mm is 38%, the mass fraction of particle size <0.076mm is 54%; refining slag powder is 8%, fly ash is 6%, silica micropowder is 5%, dispersant is 0.8%, and binder is 0.2%. 100%.

[0066] Steel slag powder is the steel slag tailings material obtained from converter slag through hot stuffing, crushing, magnetic separation, and screening processes; waste magnesi...

Embodiment 3

[0069] Embodiment 3 provides a kind of spray coating for slag tank grid and its application method, and the raw material used for spray coating comprises the following components by weight percentage:

[0070] Steel slag powder is 40%. In steel slag powder, the mass fraction of 0.5mm < particle size ≤ 1mm is 12%, the mass fraction of particle size 0.076 ~ 0.5mm is 34%, and the mass fraction of particle size < 0.076mm is 54%. %; waste magnesia-alumina spinel brick powder is 38%, in the waste magnesia-alumina spinel brick powder, the mass fraction of 0.5mm

[0071] Steel slag powder is the steel slag tailings material obtained from converter slag after hot stuffing, crushing, magnetic separation, and screening processes; w...

the structure of the environmentally friendly knitted fabric provided by the present invention; figure 2 Flow chart of the yarn wrapping machine for environmentally friendly knitted fabrics and storage devices; image 3 Is the parameter map of the yarn covering machine
Login to View More

PUM

PropertyMeasurementUnit
particle diameteraaaaaaaaaa
particle diameteraaaaaaaaaa
particle diameteraaaaaaaaaa
Login to View More

Abstract

The invention provides a spray coating for a slag pot grid and a use method of the spray coating. The spray coating comprises the following components in parts by weight: 20-60 parts of steel slag powder, 30-50 parts of waste magnesia-alumina spinel brick powder, 3-15 parts of refining slag powder, 2-6 parts of fly ash, 4-10 parts of silicon dioxide micro powder, 0.3-2 parts of a dispersing agent,and 0.02-1.5 parts of a binding agent. By adopting the slag pot grid spray coating provided by the invention, the service life of the steel isolation substrate is 165-191 times, and the one-time potseparation rate can reach 98% or above.

Description

technical field [0001] The invention belongs to the field of waste treatment and comprehensive utilization in the metallurgical industry, and in particular relates to a spray paint for slag tank grids and a use method thereof. Background technique [0002] The slag tank is a kind of waste steel slag used to recycle the steelmaking process. The steel slag may produce large slag blocks of "ladle slag" or "slag-clad steel" in the slag tank. If the slag steel is recycled , must be cut. The traditional processing technology adopts large-scale heavy hammer crushing or oxygen cutting. The heavy hammer processing efficiency is low, the noise is large, and the safety factor is low; the oxygen cutting efficiency is low, energy consumption is high, and material consumption is high. In order to better realize the recovery of large slag steel from casting slag, a new technology of installing grids in the slag tank to separate slag steel has been adopted in recent years, and the slag ste...

Claims

the structure of the environmentally friendly knitted fabric provided by the present invention; figure 2 Flow chart of the yarn wrapping machine for environmentally friendly knitted fabrics and storage devices; image 3 Is the parameter map of the yarn covering machine
Login to View More

Application Information

Patent Timeline
no application Login to View More
Patent Type & Authority Applications(China)
IPC IPC(8): C04B35/66C04B35/622
CPCC04B35/66C04B35/62204C04B2235/3418C04B2235/5427C04B2235/5436
Inventor 崔园园高攀杨小龙温太阳孙永林史志强刘风刚钟凯
Owner SHOUGANG CORPORATION