CN102134166A - Ramming material - Google Patents
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- CN102134166A CN102134166A CN 201110092077 CN201110092077A CN102134166A CN 102134166 A CN102134166 A CN 102134166A CN 201110092077 CN201110092077 CN 201110092077 CN 201110092077 A CN201110092077 A CN 201110092077A CN 102134166 A CN102134166 A CN 102134166A
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Abstract
The invention relates to a zirconium oxide ramming material, in particular to an electrically fused zirconium ramming material. The electrically fused zirconium ramming material comprises aggregates, powder materials, a binding agent and an additive. The electrically fused zirconium ramming material is characterized by comprising the following components in parts by weight: 40-80 parts of the aggregates, 20-60 parts of the powder materials, 2-15 parts of the binding agent and 0.5-10 parts of the additive, wherein the sum of the aggregates and the powder materials is 100 parts; each aggregate comprises the components of one or two of a desilication zirconium granule and an electrically fused zirconium granule and has the granularity is 0.088-25 mm; each powder material comprises the components of one or more of desilication zirconium powder, electrically fused zirconium powder, zirconium silicate powder and zircon powder and has the granularity is 8000-500 meshes; the binding agent is an aluminium dihydrogen phosphate solutions with the concentration of 60 percent; and the additive is a mixture of zirconium-containing silica fume, carboxymethyl celluloses and yellow dextrin. The electrically fused zirconium ramming material has the advantages of excellent chemical stability, thermal shock stability, oxidation resistance, scour resistance, higher strength, low production cost, stable product property and easiness in forming without pollution.
Description
Technical field
The present invention relates to a kind of unshape refractory, is a kind of zirconium white ramming mass specifically, especially a kind of electric smelting zirconium ramming mass.
Background technology
Ramming mass is formulated by the very high bulk goods of ratio and proportion very low wedding agent and other additives, even all is made up of grain, powder-material, the diffusing shape material that construct through the mode of powerful ramming.Ramming mass is widely used in metallurgy, building materials, non-ferrous metal metallurgy, chemical industry, manufacturings such as machinery are mainly used in the middle high temperature position of industrial furnace, such as blast furnace iron runner, the molten lid of electric arc furnace, inner lining of furnace, the repairing of smelting furnace or the position of inconvenient casting and constructing.That existing ramming mass description of materials mainly contains is siliceous, corundum matter, magnesia, magnesium is calcareous, magnalium matter, magnesium-aluminium spinel matter and Al
2O
3-SiC-C matter etc.
Zirconic characteristic is: high temperature resistant, resistance to chemical attack, anti-oxidant, wear-resisting, thermal expansivity big, specific heat capacity and thermal conductivity are little, therefore is very ideal high-temperature refractory, abrasive substance and high temperature insulating material.Zirconium white also has the characteristic of martensitic transformation, makes zirconium white have good thermal shock resistance.Zirconium white is divided into chemical zirconium and electric smelting zirconium by the difference of manufacture craft.The chemistry zirconium is to adopt the explained hereafter of chemical industry for making chlorine and alkali and high-temperature calcination to come out, and the electric smelting zirconium then is to adopt the physical method of arc melting to make.For a long time, because zircon raw material nature mineral products rareness, price goes up year after year, adds zirconium white and uses the chemical process manufacturing cost very high, so chemical zirconium is subjected to great inhibition in the application of refractories industry.Usually, zirconium white only is used in key position, and consumption seldom.And along with the reaching its maturity of electric smelting zirconium technology, the electric smelting zirconium has that production cost is low, product performance stable, adapt to advantage such as suitability for industrialized production, is excellent novel high-grade refractory materials, makes the electric smelting zirconium in the extensive application of refractories industry precondition arranged.
Also there is not zirconium white ramming mass production and selling in the market.
Summary of the invention
Technical problem to be solved by this invention provides a kind of zirconium white ramming mass, especially a kind of electric smelting zirconium ramming mass, its zirconia content can reach more than 85%, possesses better high thermal resistance, chemical stability (anti-erosion), thermal shock resistance, oxidation-resistance, scour resistance and higher intensity, long service life, production cost is low simultaneously, and product performance are stable, adapts to suitability for industrialized production.
For solving the problems of the technologies described above, technical scheme of the present invention is: a kind of ramming mass, comprise aggregate, powder, wedding agent and additive, and the component of described ramming mass and weight part are:
Aggregate 40-80 part, powder 20-60 part, two kinds of component sums are 100 parts;
Add wedding agent 2-15 part, additive 0.5-10 part;
The composition of described aggregate is desilicated zirconia particle, one or both components of electric smelting zirconium particulate, and granularity is 0.088-25mm;
The composition of described powder is one or more components of desiliconization zirconium powder, electric smelting zirconium powder, zirconium silicate powder, zirconium English powder, and granularity is the 8000-500 order;
Described wedding agent is the phosphate dihydrogen aluminum solution of concentration 60%;
Described additive is the mixture that contains zirconium silicon ash, carboxymethyl cellulose, yellow starch gum.
For further optimizing the present invention, described electric smelting zirconium is an electric smelting semi-stability type zirconium white.
For further optimizing the present invention, add wedding agent 8-10 part.
For further optimizing the present invention, outer doping 2-5 part.
As most preferably scheme of the present invention, the component of described ramming mass and weight percent content are: 60 parts in aggregate, and 40 parts of powders, two kinds of component sums are 100 parts; Add 8 parts of wedding agents, 2 parts of additives; The composition of described aggregate is an electric smelting zirconium particle, and wherein granularity is 20 parts of 0.088-10mm, and granularity is 40 parts of 10-25mm; The composition of described powder is the mixture of desiliconization zirconium powder, electric smelting semi-stability type zirconia powder, zirconium silicate powder, zirconium English powder, and wherein the granularity of electric smelting semi-stability type zirconia powder is the 2000-500 order, accounts for 10 parts, and the granularity of other powder is the 8000-2000 order, accounts for 30 parts; Described wedding agent is the phosphate dihydrogen aluminum solution of concentration 60%; Described additive is the mixture that contains zirconium silicon ash, carboxymethyl cellulose, yellow starch gum.
After ramming mass of the present invention prepares by above-mentioned raw materials, become ramming mass according to being prepared as follows the technology hybrid process: aggregate and powder, the additive with ramming mass mixes earlier, adding concentration again and be 60% phosphate dihydrogen aluminum solution stirs in stirrer, make it to form the expert and pinch agglomerating material, use the plastic packaging bag packaging final prod again.Then, carry out hand ramming or pneumatic jack hammer ramming according to on-the-spot needs, ramming density must be greater than 3.6g/cm
3
The know-why of ramming mass of the present invention and outstanding substantive distinguishing features are:
1, with zirconium white especially electric smelting zirconium as the main raw material of ramming mass, by certain grain composition, add an amount of wedding agent and additive, make ramming mass of the present invention possess excellent chemical stability, thermal shock resistance, oxidation-resistance, scour resistance and higher intensity, production cost is low simultaneously, product performance are stable, are easy to moulding, and are pollution-free.
2, the present invention is in the selection of electric smelting zirconium kind, and preferred electric smelting semi-stability type zirconium white is further improved the heat-shock resistance of ramming mass of the present invention.Its principle is that semi-stability type zirconium white some zirconium white and stablizer have generated sosoloid, by high temperature cooling during to normal temperature, still some zirconium white undergoes phase transition, and is the monocline phase by cube phase or cubic inversion of phases, and follows the certain volume change of generation.Because this volume change is less, so can not cause the destruction of goods sintered compact.On the contrary, because the variation of this volume can produce a certain amount of micro-flaw in the goods sintered compact, this micro-flaw is subjected to thermal stresses at material and does the time spent, can play the effect that absorbs crack propagation energy, suppress the expansion of crackle, improve the anti-thermal shock ability of material.
The beneficial effect that ramming mass of the present invention produces is:
1, opened up the beginning of zirconium white ramming mass suitability for industrialized production, remedied the gaps in market, the zirconia content of the zirconium white ramming mass of production can be up to more than 85%;
2, can be under the above hyperthermal environments of 1600 degree life-time service, have better chemical stability (anti-erosion), thermal shock resistance, oxidation-resistance, scour resistance and reach higher physical strength;
3, production cost is low, and product performance are stable, are easy to moulding, and are pollution-free.
Ramming mass of the present invention can be widely used in metallurgy, building materials, non-ferrous metal metallurgy, chemical industry, manufacturings such as machinery are mainly used in the middle high temperature position of industrial furnace, such as blast furnace iron runner, the molten lid of electric arc furnace, inner lining of furnace, the repairing of smelting furnace or the position of inconvenient casting and constructing.
Embodiment
By describing technology contents of the present invention, design principle in detail, being realized purpose and effect, know clearly below in conjunction with embodiment and give explanation.
Example 1: the component of ramming mass and weight percent content are: 60 parts in aggregate, and 40 parts of powders add 2 parts of wedding agents, 10 parts of additives; The composition of described aggregate is an electric smelting semi-stability type zirconia particles, and granularity is 30 parts of 0.088-10mm, and granularity is 30 parts of 10-25mm; The composition of described powder is an electric smelting semi-stability type zirconia powder, and granularity is 20 parts of 2000 orders-500 purposes, and granularity is 20 parts of 8000-2000 purposes; Described wedding agent is the phosphate dihydrogen aluminum solution of concentration 60%; Described additive is the mixture that contains zirconium silicon ash, carboxymethyl cellulose and yellow starch gum.
The phosphate dihydrogen aluminum solution of concentration 60% is a kind of binder for fire-resistant materials commonly used, and its advantage is that intensity can remain to high temperature from low temperature, relatively is fit to do this wedding agent that is difficult to agglomerated material of zirconium white.
Contain of the effect of the mixture of zirconium silicon ash, carboxymethyl cellulose and yellow starch gum as additive: the one, increase the plasticity-of ramming mass, the 2nd, increase in the ramming mass, the sintering strength during low temperature.
After preparing above-mentioned raw materials, become ramming mass according to being prepared as follows the technology hybrid process: aggregate and powder, the additive with ramming mass mixes earlier, adding concentration again and be 60% phosphate dihydrogen aluminum solution stirs in stirrer, make it to form the expert and pinch agglomerating material, use the plastic packaging bag packaging final prod again.Then, carry out hand ramming or pneumatic jack hammer ramming according to on-the-spot needs, ramming density must be greater than 3.6g/cm
3
The ramming mass for preparing is through test, and ultimate compression strength 29.1Mpa after 300 ℃ * 24h of the zirconium white ramming mass oven dry, 1700 ℃ * 3h burn back ultimate compression strength 74.3Mpa.
Example 2: the component of ramming mass and weight percent content are: 80 parts in aggregate, and 20 parts of powders add 15 parts of wedding agents, 0.5 part of additive; The composition of described aggregate is the mixture of desilicated zirconia particle and electric smelting semi-stability type zirconia particles, and granularity is account for 30 parts of 0.088-10mm, and granularity is account for 50 parts of 10-25mm; The composition of described powder is the mixture of desiliconization zirconium powder, electric smelting semi-stability type zirconia powder, zirconium silicate powder, zirconium English powder, and wherein the granularity of electric smelting semi-stability type zirconia powder is 2000 orders-500 orders, accounts for 10 parts, and the granularity of other powder is the 8000-2000 order, accounts for 10 parts; Described wedding agent is the phosphate dihydrogen aluminum solution of concentration 60%; Described additive is the mixture that contains zirconium silicon ash, carboxymethyl cellulose, yellow starch gum.
After preparing above-mentioned raw materials, become ramming mass according to being prepared as follows the technology hybrid process: aggregate and powder, the additive with ramming mass mixes earlier, adding concentration again and be 60% phosphate dihydrogen aluminum solution stirs in stirrer, make it to form the expert and pinch agglomerating material, use the plastic packaging bag packaging final prod again.Then, carry out hand ramming or pneumatic jack hammer ramming according to on-the-spot needs, ramming density must be greater than 3.6g/cm
3
The ramming mass for preparing is through test, and ultimate compression strength 29.6Mpa after 300 ℃ * 24h of the zirconium white ramming mass oven dry, 1700 ℃ * 3h burn back ultimate compression strength 75.6Mpa.
Example 3: the component of ramming mass and weight percent content are: 40 parts in aggregate, and 60 parts of powders add 10 parts of wedding agents, 5 parts of additives; The composition of described aggregate is an electric smelting semi-stability type zirconia particles, and granularity is account for 20 parts of 0.088-10mm, and granularity is account for 20 parts of 10-25mm; The composition of described powder is an electric smelting semi-stability type zirconia powder, and granularity is 30 parts of 2000 orders-500 purposes, and the 8000-2000 purpose accounts for 30 parts; Described wedding agent is the phosphate dihydrogen aluminum solution of concentration 60%; Described additive is the mixture that contains zirconium silicon ash, carboxymethyl cellulose, yellow starch gum.
After preparing above-mentioned raw materials, become ramming mass according to being prepared as follows the technology hybrid process: aggregate and powder, the additive with ramming mass mixes earlier, adding concentration again and be 60% phosphate dihydrogen aluminum solution stirs in stirrer, make it to form the expert and pinch agglomerating material, use the plastic packaging bag packaging final prod again.Then, carry out hand ramming or pneumatic jack hammer ramming according to on-the-spot needs, ramming density must be greater than 3.6g/cm
3
The ramming mass for preparing is through test, and ultimate compression strength 30.8Mpa after 300 ℃ * 24h of the zirconium white ramming mass oven dry, 1700 ℃ * 3h burn back ultimate compression strength 76.2Mpa.
Example 4: the component of ramming mass and weight percent content are: 60 parts in aggregate, and 40 parts of powders add 8 parts of wedding agents, 2 parts of additives; The composition of described aggregate is an electric smelting semi-stability type zirconia particles, and granularity is account for 20 parts of 0.088-10mm, and granularity is account for 40 parts of 10-25mm; The composition of described powder is the mixture of desiliconization zirconium powder, electric smelting semi-stability type zirconia powder, zirconium silicate powder, zirconium English powder, and wherein the granularity of electric smelting semi-stability type zirconia powder is the 2000-500 order, accounts for 10 parts, and the granularity of other powder is the 8000-2000 order, accounts for 30 parts; Described wedding agent is the phosphate dihydrogen aluminum solution of concentration 60%; Described additive is the mixture that contains zirconium silicon ash, carboxymethyl cellulose, yellow starch gum.
After preparing above-mentioned raw materials, become ramming mass according to being prepared as follows the technology hybrid process: aggregate and powder, the additive with ramming mass mixes earlier, adding concentration again and be 60% phosphate dihydrogen aluminum solution stirs in stirrer, make it to form the expert and pinch agglomerating material, use the plastic packaging bag packaging final prod again.Then, carry out hand ramming or pneumatic jack hammer ramming according to on-the-spot needs, ramming density must be greater than 3.6g/cm
3
The ramming mass for preparing is through test, and ultimate compression strength 31.6Mpa after 300 ℃ * 24h of the zirconium white ramming mass oven dry, 1700 ℃ * 3h burn back ultimate compression strength 77.8Mpa.
The present invention with zirconium white especially electric smelting zirconium as the main raw material of ramming mass, by certain grain composition, add an amount of wedding agent and additive, make ramming mass of the present invention possess excellent chemical stability, thermal shock resistance, oxidation-resistance, scour resistance and higher intensity, production cost is low simultaneously, product performance are stable, are easy to moulding, and are pollution-free.The preferred electric smelting semi-stability of the present invention type zirconium white is further improved the heat-shock resistance of ramming mass of the present invention.
The beneficial effect that ramming mass of the present invention produces is:
1, opened up the beginning of zirconium white ramming mass suitability for industrialized production, remedied the gaps in market, the zirconia content of the zirconium white ramming mass of production can be up to more than 85%;
2, can be under the above hyperthermal environments of 1600 degree life-time service, have better chemical stability (anti-erosion), thermal shock resistance, oxidation-resistance, scour resistance and reach higher physical strength;
3, production cost is low, and product performance are stable, are easy to moulding, and are pollution-free.
Ramming mass of the present invention can be widely used in metallurgy, building materials, non-ferrous metal metallurgy, chemical industry, manufacturings such as machinery are mainly used in the middle high temperature position of industrial furnace, such as blast furnace iron runner, the molten lid of electric arc furnace, inner lining of furnace, the repairing of smelting furnace or the position of inconvenient casting and constructing.
The above only is embodiments of the invention; be not so limit claim of the present invention; every equivalent structure or equivalent flow process conversion that utilizes specification sheets of the present invention to do, or directly or indirectly be used in other relevant technical fields, all in like manner be included in the scope of patent protection of the present invention.
Claims (5)
1. a ramming mass comprises aggregate, powder, wedding agent and additive, it is characterized in that: the component of described ramming mass and weight part are:
Aggregate 40-80 part, powder 20-60 part, two kinds of component sums are 100 parts;
Add wedding agent 2-15 part, additive 0.5-10 part;
The composition of described aggregate is desilicated zirconia particle, one or both components of electric smelting zirconium particulate, and granularity is 0.088-25mm;
The composition of described powder is one or more components in desiliconization zirconium powder, electric smelting zirconium powder, zirconium silicate powder, the zirconium English powder, and granularity is the 8000-500 order;
Described wedding agent is the phosphate dihydrogen aluminum solution of concentration 60%;
Described additive is the mixture that contains zirconium silicon ash, carboxymethyl cellulose and yellow starch gum.
2. ramming mass according to claim 1 is characterized in that: described electric smelting zirconium is an electric smelting semi-stability type zirconium white.
3. ramming mass according to claim 1 is characterized in that: add wedding agent 8-10 part.
4. ramming mass according to claim 1 is characterized in that: outer doping 2-5 part.
5. according to any described ramming mass of claim 1 to 4, it is characterized in that: the component of described ramming mass and weight part are:
60 parts in aggregate, 40 parts of powders, two kinds of component sums are 100 parts; Add 8 parts of wedding agents, 2 parts of additives; The composition of described aggregate is an electric smelting semi-stability type zirconia particles, and wherein granularity is 20 parts of 0.088-10mm, and granularity is 40 parts of 10-25mm; The composition of described powder is the mixture of desiliconization zirconium powder, electric smelting semi-stability type zirconia powder, zirconium silicate powder, zirconium English powder, and wherein the granularity of electric smelting semi-stability zirconia powder is the 2000-500 order, accounts for 10 parts, and the granularity of other powder is the 8000-2000 order, accounts for 30 parts;
Described wedding agent is the phosphate dihydrogen aluminum solution of concentration 60%;
Described additive is the mixture that contains zirconium silicon ash, carboxymethyl cellulose, yellow starch gum.
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| CN 201110092077 CN102134166B (en) | 2011-04-13 | 2011-04-13 | Ramming material |
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Cited By (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102690663A (en) * | 2012-04-27 | 2012-09-26 | 宜兴市恒祥耐火材料有限公司 | Dry coke quenching oven annular air duct chain structure combination refractory brick |
| CN104108943A (en) * | 2014-07-21 | 2014-10-22 | 洛阳理工学院 | Dry-type vibrating material for submerged arc furnace used for smelting ferro-nickel by utilizing nickel laterite ore and preparation method |
| CN106810282A (en) * | 2017-03-01 | 2017-06-09 | 宋林祥 | The method for producing ramming mass using the useless brick of AZS |
| CN107235735A (en) * | 2017-06-13 | 2017-10-10 | 长兴华悦耐火材料厂 | A kind of environmental friendly ramming material and preparation method thereof |
| CN111362674A (en) * | 2020-03-19 | 2020-07-03 | 上海彭浦特种耐火材料厂有限公司 | Acid-resistant corundum ramming mass and method for manufacturing acid regenerator nozzle by using same |
| CN111517768A (en) * | 2020-04-24 | 2020-08-11 | 北京利尔高温材料股份有限公司 | Gunning mix and preparation method thereof |
| CN112279655A (en) * | 2020-10-30 | 2021-01-29 | 攀钢冶金材料有限责任公司 | Binding agent, magnesium ramming mass and preparation method thereof |
| CN113912393A (en) * | 2021-10-20 | 2022-01-11 | 三祥新材股份有限公司 | Stable zirconium ramming mass and preparation method thereof |
| CN117433295A (en) * | 2023-12-20 | 2024-01-23 | 中钢洛耐科技股份有限公司 | Long-life melting furnace for coal-based direct reduction |
| CN117430437A (en) * | 2023-12-20 | 2024-01-23 | 中钢洛耐科技股份有限公司 | Composite refractory material for regenerator cell of melting furnace and preparation method and application thereof |
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Cited By (15)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102690663A (en) * | 2012-04-27 | 2012-09-26 | 宜兴市恒祥耐火材料有限公司 | Dry coke quenching oven annular air duct chain structure combination refractory brick |
| CN104108943A (en) * | 2014-07-21 | 2014-10-22 | 洛阳理工学院 | Dry-type vibrating material for submerged arc furnace used for smelting ferro-nickel by utilizing nickel laterite ore and preparation method |
| CN106810282A (en) * | 2017-03-01 | 2017-06-09 | 宋林祥 | The method for producing ramming mass using the useless brick of AZS |
| CN106810282B (en) * | 2017-03-01 | 2020-03-24 | 宋林祥 | Method for producing ramming mass by using waste fused zirconia corundum bricks |
| CN107235735A (en) * | 2017-06-13 | 2017-10-10 | 长兴华悦耐火材料厂 | A kind of environmental friendly ramming material and preparation method thereof |
| CN111362674B (en) * | 2020-03-19 | 2022-05-13 | 上海彭浦特种耐火材料厂有限公司 | Acid-resistant corundum ramming mass and method for manufacturing acid regenerator nozzle by using same |
| CN111362674A (en) * | 2020-03-19 | 2020-07-03 | 上海彭浦特种耐火材料厂有限公司 | Acid-resistant corundum ramming mass and method for manufacturing acid regenerator nozzle by using same |
| CN111517768A (en) * | 2020-04-24 | 2020-08-11 | 北京利尔高温材料股份有限公司 | Gunning mix and preparation method thereof |
| CN112279655A (en) * | 2020-10-30 | 2021-01-29 | 攀钢冶金材料有限责任公司 | Binding agent, magnesium ramming mass and preparation method thereof |
| CN113912393A (en) * | 2021-10-20 | 2022-01-11 | 三祥新材股份有限公司 | Stable zirconium ramming mass and preparation method thereof |
| CN113912393B (en) * | 2021-10-20 | 2022-12-13 | 三祥新材股份有限公司 | Stable zirconium ramming mass and preparation method thereof |
| CN117433295A (en) * | 2023-12-20 | 2024-01-23 | 中钢洛耐科技股份有限公司 | Long-life melting furnace for coal-based direct reduction |
| CN117430437A (en) * | 2023-12-20 | 2024-01-23 | 中钢洛耐科技股份有限公司 | Composite refractory material for regenerator cell of melting furnace and preparation method and application thereof |
| CN117433295B (en) * | 2023-12-20 | 2024-03-12 | 中钢洛耐科技股份有限公司 | Long-life melting furnace for coal-based direct reduction |
| CN117430437B (en) * | 2023-12-20 | 2024-03-12 | 中钢洛耐科技股份有限公司 | Composite refractory material for regenerator cell of melting furnace and preparation method and application thereof |
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| CN102134166B (en) | 2012-12-19 |
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