CN102303971A

CN102303971A - Fused quartziferous cast glazed tile for coke oven and preparation method thereof

Info

Publication number: CN102303971A
Application number: CN201110175046A
Authority: CN
Inventors: 张文辉; 董良军; 程平平; 邵开君; 史建洪
Original assignee: YIXING DINGSHAN FIREPROOF EQUIPMENT CO Ltd
Current assignee: YIXING DINGSHAN FIREPROOF EQUIPMENT CO Ltd
Priority date: 2011-06-27
Filing date: 2011-06-27
Publication date: 2012-01-04
Anticipated expiration: 2031-06-27
Also published as: CN102303971B

Abstract

The invention discloses a fused quartziferous cast glazed tile for a coke oven. The glazed tile comprises glazed water and a cast prefabricated member, wherein the glazed water comprises following components in percentage by weight: 30-50% of spodumene with a particle size of 10 to 0 micron, 5-20% of soft clay with the particle size of 10 to 0 micron, 10-20% of potash feldspar with the particle size of 10 to 0 micron, 5-15% of aluminum oxide with the particle size of 5 to 0 micron, 3-15% of quartz with the particle size of 10 to 0 micron, and 0.5-1% of organic plasticizer. The cast prefabricated member includes the following ingredients in percentage by weight: 30-50% of fused quartz, 25-35% of chamotte, 10-15% of alumina clinker, 10-15% of binding agent, 3-6% of silicon micropowder and 3-8% of aluminum oxide micropowder. Meanwhile, the invention further discloses a preparation method of the glazed tile. The glazed tile provided by the invention has excellent thermal shock stability and thermal impact resistance in coke oven production process; the glazed tile has low thermal conductivity and high strength, and can effectively reduce the external temperature of the furnace gate; and the production process does not have pollution.

Description

A kind of coke oven is with fused quartz matter cast ornamental brick and preparation method thereof

Technical field

The present invention relates to a kind of refractory materials, be specifically related to a kind of coke oven with fused quartz matter cast ornamental brick and preparation method thereof.

Background technology

Fire door lining brick of coke oven receives the destruction of thermal shocking, chemical corrosion and machinery damage for a long time, and its work-ing life is shorter.Coke oven requires the fire door lining brick to possess high thermal shock resistance and impermeabilisation corrosion and anti-carbon property.At present, the fire door lining brick great majority of the domestic use of China are to be main with trichroite brick, floating bead brick, clay brick, and the surface is not glazing water basically.Wherein the work-ing life of trichroite brick is the longest.The trichroite lining brick possesses good thermal shock resistance; Satisfy the requirement of coke oven door, but objectionable impurities is penetrated into the inside of brick easily, has reduced the comprehensive physicals of brick thermal shock performance; The cleaning of carbon causes machinery damage to brick, makes trichroite lining brick work-ing life generally in 1～3 year.

Summary of the invention

Goal of the invention: the objective of the invention is to deficiency, provide a kind of coke oven with fused quartz matter cast ornamental brick to prior art.

Another object of the present invention is to provide the preparation method of above-mentioned cast ornamental brick.

Technical scheme: in order to reach goal of the invention; The present invention specifically realizes like this: a kind of coke oven is with fused quartz matter cast ornamental brick; Comprise glaze water and cast prefabricated component, said glaze water comprises that weight percentage is aluminum oxide, 3～15% 10～0 μ m quartzy of potassium felspar sand, 5～15% 5～0 μ m of triphane, 5～20% 10～0 μ m soft claies, 10～20% 10～0 μ m of 30～50% 10-0 μ m and organic softening agent of 0.5～1%; Said cast prefabricated component comprises that weight percentage is 30～50% fused quartz, 25～35% chamotte, 10～15% bauxite clinker, 10～15% wedding agent, 3～6% silicon powder and 3～8% alumina powder.

Wherein, said organic softening agent is yellow starch gum or Xylo-Mucine.

Wherein, said wedding agent is aluminous cement CA-80.

Wherein, the fused quartz of 10～1mm accounts for 25～40% of total mass in the said cast prefabricated component, and the fused quartz of 1～0mm accounts for 5～10% of total mass.

Wherein, the chamotte of 10～1mm accounts for 20～25% of total mass in the said cast prefabricated component, and the chamotte of 1～0mm accounts for 5～10% of total mass.

Wherein, the granularity of said bauxite clinker is 0.088～0mm.

Wherein, the granularity of said wedding agent is 0.088～0mm.

Wherein, the granularity of said silicon powder and alumina powder is 10～0 μ m.

Prepare above-mentioned coke oven with fused quartz matter cast ornamental brick, may further comprise the steps:

(1) measure triphane, soft clay, potassium felspar sand, aluminum oxide, quartz and organic softening agent by prescription, the water that adds mixture quality 35～45% mixes, ball milling 1～4h, and it is subsequent use to obtain glaze water;

(2) measure fused quartz, chamotte, bauxite clinker, wedding agent, silicon powder and alumina powder by prescription, stir 3～5min, 5～10% the water that the back adds the mixture total mass continues to stir 3～5min, obtains mixture;

(3) pour step (2) gained mixture into mould, vibratory compaction under the state of vacuumizing, maintenance 12～24h in mould, maintenance is 3～7 days after the demoulding, continues biscuiting 24h～72h under 500～1000 ℃ of conditions, obtains blank;

(4) on blank, smear or spray step (1) gained glaze water, dry 2～10h burns till 4～12h at 1200～1310 ℃ at last under the natural condition.

Beneficial effect: beneficial effect: the present invention compares with conventional art, and the present invention has the following advantages:

(1) has good thermal shock resistance, stand the thermal shocking in the coke oven production process;

(2) low heat conduction, high strength can effectively reduce fire door appearance temperature;

(3) glaze is because of filling the pore on trichroite lining brick surface, and with high compactness own, prevents that objectionable impurities is penetrated into the inside of fire door lining brick, and brick is played corrosionproof protection, and the chemical resistance of concrete performance is high;

(4) has the anticaking carbon ability, the big manual work when having removed de-carbon from, and the environmental pollution that brings;

(5) surperficial glaze is a high temperature low bulk glaze, with the cast prefabricated component similar hot expansibility is arranged, and in use, is not easy to peel off.

Embodiment

Embodiment 1:

(1) glaze water preparation: (unit is a weight percentage to get 30% triphane; Down with), 20% soft clay, 20% potassium felspar sand, 14.5% aluminum oxide, 15% quartzy and 0.5% yellow starch gum; The water that adds above-mentioned substance quality 35% again mixes, and ball milling 4h is subsequent use;

(2) preparation of blank: get 25% 10～1 μ m fused quartzs, 5% 1～0 μ m fused quartz, 25% 10～1 μ m chamottes, 10% 1～0 μ m chamotte, 11% bauxite clinker, 10% aluminous cement CA-80,6% silicon powder and 8% alumina powder; Stir 3min; The water that the back adds above-mentioned substance total mass 5% continues to stir 3min; Pour the gained mixture into mould; Vibratory compaction under the state of vacuumizing; Maintenance 12h in mould; Maintenance is 3 days after the demoulding; Continuation is biscuiting 72h under 500 ℃ of conditions, obtains blank;

(3) on blank, smear glaze water, glaze water is covered the blank working face fully, dry 2h under the natural condition burns till 12h at 1200 ℃ at last.

Embodiment 2:

(1) glaze water preparation: (unit is a weight percentage to get 35% triphane; Down with), 18% soft clay, 16% potassium felspar sand, 14% aluminum oxide, 14.4% quartzy and 0.6% Xylo-Mucine; The water that adds above-mentioned substance quality 40% again mixes, and ball milling 2h is subsequent use;

(2) preparation of blank: get 29% 10～1 μ m fused quartzs, 8% 1～0 μ m fused quartz, 20% 10～1 μ m chamottes, 8% 1～0 μ m chamotte, 10% bauxite clinker, 15% aluminous cement CA-80,3% silicon powder and 7% alumina powder; Stir 4min; The water that the back adds above-mentioned substance total mass 7% continues to stir 4min; Pour the gained mixture into mould; Vibratory compaction under the state of vacuumizing; Maintenance 12h in mould; Maintenance is 4 days after the demoulding; Continuation is biscuiting 24h under 1000 ℃ of conditions, obtains blank;

(3) on blank, smear glaze water, glaze water is covered the blank working face fully, dry 10h under the natural condition burns till 4h at 1310 ℃ at last.

Embodiment 3:

(1) glaze water preparation: (unit is a weight percentage to get 40% triphane; Down with), 20% soft clay, 19.3% potassium felspar sand, 5% aluminum oxide, 15% quartzy and 0.7% Xylo-Mucine; The water that adds above-mentioned substance quality 45% again mixes, and ball milling 1h is subsequent use;

(2) preparation of blank: get 33% 10～1 μ m fused quartzs, 7% 1～0 μ m fused quartz, 20% 10～1 μ m chamottes, 9% 1～0 μ m chamotte, 10% bauxite clinker, 12% aluminous cement CA-80,6% silicon powder and 3% alumina powder; Stir 5min; The water that the back adds above-mentioned substance total mass 6% continues to stir 4min; Pour the gained mixture into mould; Vibratory compaction under the state of vacuumizing; Maintenance 24h in mould; Maintenance is 5 days after the demoulding; Continuation is biscuiting 36h under 800 ℃ of conditions, obtains blank;

(3) on blank, smear glaze water, glaze water is covered the blank working face fully, dry 8h under the natural condition burns till 8h at 1250 ℃ at last.

Embodiment 4:

(1) glaze water preparation: (unit is a weight percentage to get 45% triphane; Down with), 19.2% soft clay, 10% potassium felspar sand, 13% aluminum oxide, 12% quartzy and 0.8% Xylo-Mucine; The water that adds above-mentioned substance quality 38% again mixes, and ball milling 3.5h is subsequent use;

(2) preparation of blank: get 37% 10～1 μ m fused quartzs, 6% 1～0 μ m fused quartz, 17% 10～1 μ m chamottes, 6% 1～0 μ m chamotte, 13% bauxite clinker, 12% aluminous cement CA-80,4% silicon powder and 5% alumina powder; Stir 4min; The water that the back adds above-mentioned substance total mass 6% continues to stir 3min; Pour the gained mixture into mould; Vibratory compaction under the state of vacuumizing; Maintenance 16h in mould; Maintenance is 7 days after the demoulding; Continuation is biscuiting 30h under 900 ℃ of conditions, obtains blank;

(3) on blank, smear glaze water, glaze water is covered the blank working face fully, dry 6h under the natural condition burns till 12h at 1200 ℃ at last.

Embodiment 5:

(1) glaze water preparation: (unit is a weight percentage to get 50% triphane; Down with), 5% soft clay, 19% potassium felspar sand, 15% aluminum oxide, 10% quartzy and 1% yellow starch gum; The water that adds above-mentioned substance quality 42% again mixes, and ball milling 1.5h is subsequent use;

(2) preparation of blank: get 40% 10～1 μ m fused quartzs, 10% 1～0 μ m fused quartz, 15% 10～1 μ m chamottes, 5% 1～0 μ m chamotte, 11% bauxite clinker, 13% aluminous cement CA-80,3% silicon powder and 3% alumina powder; Stir 3min; The water that the back adds above-mentioned substance total mass 8% continues to stir 3min; Pour the gained mixture into mould; Vibratory compaction under the state of vacuumizing; Maintenance 18h in mould; Maintenance is 6 days after the demoulding; Continuation is biscuiting 32h under 850 ℃ of conditions, obtains blank;

(3) on blank, smear glaze water, glaze water is covered the blank working face fully, dry 5h under the natural condition burns till 4h at 1310 ℃ at last.

Claims

1. a coke oven is with fused quartz matter cast ornamental brick; It is characterized in that; Comprise glaze water and cast prefabricated component, said glaze water comprises that weight percentage is aluminum oxide, 3～15% 10～0 μ m quartzy of potassium felspar sand, 5～15% 5～0 μ m of triphane, 5～20% 10～0 μ m soft claies, 10～20% 10～0 μ m of 30～50% 10-0 μ m and organic softening agent of 0.5～1%; Said cast prefabricated component comprises that weight percentage is 30～50% fused quartz, 25～35% chamotte, 10～15% bauxite clinker, 10～15% wedding agent, 3～6% silicon powder and 3～8% alumina powder.

2. coke oven according to claim 1 is characterized in that with fused quartz matter cast ornamental brick said organic softening agent is yellow starch gum or Xylo-Mucine.

3. coke oven according to claim 1 is characterized in that with fused quartz matter cast ornamental brick said wedding agent is aluminous cement CA-80.

4. coke oven according to claim 1 is characterized in that with fused quartz matter cast ornamental brick the fused quartz of 10～1mm accounts for 25～40% of total mass in the said cast prefabricated component, and the fused quartz of 1～0mm accounts for 5～10% of total mass.

5. coke oven according to claim 1 is characterized in that with fused quartz matter cast ornamental brick the chamotte of 10～1mm accounts for 20～25% of total mass in the said cast prefabricated component, and the chamotte of 1～0mm accounts for 5～10% of total mass.

6. coke oven according to claim 1 is characterized in that with fused quartz matter cast ornamental brick the granularity of said bauxite clinker is 0.088～0mm.

7. coke oven according to claim 1 is characterized in that with fused quartz matter cast ornamental brick the granularity of said wedding agent is 0.088～0mm.

8. coke oven according to claim 1 is characterized in that with fused quartz matter cast ornamental brick the granularity of said silicon powder and alumina powder is 10～0 μ m.

9. the described coke oven of preparation claim 1 is characterized in that with fused quartz matter cast ornamental brick, may further comprise the steps:

(2) measure fused quartz, chamotte, bauxite clinker, wedding agent, silicon powder and alumina powder by prescription, stir 3～5min, 5～8% the water that the back adds the mixture total mass continues to stir 3～5min, obtains mixture;