CN111747763A - Composite silicon refractory ball and preparation method thereof - Google Patents
Composite silicon refractory ball and preparation method thereof Download PDFInfo
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- CN111747763A CN111747763A CN202010658533.4A CN202010658533A CN111747763A CN 111747763 A CN111747763 A CN 111747763A CN 202010658533 A CN202010658533 A CN 202010658533A CN 111747763 A CN111747763 A CN 111747763A
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- C—CHEMISTRY; METALLURGY
- C04—CEMENTS; CONCRETE; ARTIFICIAL STONE; CERAMICS; REFRACTORIES
- C04B—LIME, MAGNESIA; SLAG; CEMENTS; COMPOSITIONS THEREOF, e.g. MORTARS, CONCRETE OR LIKE BUILDING MATERIALS; ARTIFICIAL STONE; CERAMICS; REFRACTORIES; TREATMENT OF NATURAL STONE
- C04B35/00—Shaped ceramic products characterised by their composition; Ceramics compositions; Processing powders of inorganic compounds preparatory to the manufacturing of ceramic products
- C04B35/66—Monolithic refractories or refractory mortars, including those whether or not containing clay
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- C—CHEMISTRY; METALLURGY
- C04—CEMENTS; CONCRETE; ARTIFICIAL STONE; CERAMICS; REFRACTORIES
- C04B—LIME, MAGNESIA; SLAG; CEMENTS; COMPOSITIONS THEREOF, e.g. MORTARS, CONCRETE OR LIKE BUILDING MATERIALS; ARTIFICIAL STONE; CERAMICS; REFRACTORIES; TREATMENT OF NATURAL STONE
- C04B35/00—Shaped ceramic products characterised by their composition; Ceramics compositions; Processing powders of inorganic compounds preparatory to the manufacturing of ceramic products
- C04B35/01—Shaped ceramic products characterised by their composition; Ceramics compositions; Processing powders of inorganic compounds preparatory to the manufacturing of ceramic products based on oxide ceramics
- C04B35/14—Shaped ceramic products characterised by their composition; Ceramics compositions; Processing powders of inorganic compounds preparatory to the manufacturing of ceramic products based on oxide ceramics based on silica
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- C—CHEMISTRY; METALLURGY
- C04—CEMENTS; CONCRETE; ARTIFICIAL STONE; CERAMICS; REFRACTORIES
- C04B—LIME, MAGNESIA; SLAG; CEMENTS; COMPOSITIONS THEREOF, e.g. MORTARS, CONCRETE OR LIKE BUILDING MATERIALS; ARTIFICIAL STONE; CERAMICS; REFRACTORIES; TREATMENT OF NATURAL STONE
- C04B2235/00—Aspects relating to ceramic starting mixtures or sintered ceramic products
- C04B2235/02—Composition of constituents of the starting material or of secondary phases of the final product
- C04B2235/30—Constituents and secondary phases not being of a fibrous nature
- C04B2235/34—Non-metal oxides, non-metal mixed oxides, or salts thereof that form the non-metal oxides upon heating, e.g. carbonates, nitrates, (oxy)hydroxides, chlorides
- C04B2235/3427—Silicates other than clay, e.g. water glass
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- C—CHEMISTRY; METALLURGY
- C04—CEMENTS; CONCRETE; ARTIFICIAL STONE; CERAMICS; REFRACTORIES
- C04B—LIME, MAGNESIA; SLAG; CEMENTS; COMPOSITIONS THEREOF, e.g. MORTARS, CONCRETE OR LIKE BUILDING MATERIALS; ARTIFICIAL STONE; CERAMICS; REFRACTORIES; TREATMENT OF NATURAL STONE
- C04B2235/00—Aspects relating to ceramic starting mixtures or sintered ceramic products
- C04B2235/02—Composition of constituents of the starting material or of secondary phases of the final product
- C04B2235/30—Constituents and secondary phases not being of a fibrous nature
- C04B2235/34—Non-metal oxides, non-metal mixed oxides, or salts thereof that form the non-metal oxides upon heating, e.g. carbonates, nitrates, (oxy)hydroxides, chlorides
- C04B2235/349—Clays, e.g. bentonites, smectites such as montmorillonite, vermiculites or kaolines, e.g. illite, talc or sepiolite
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- C—CHEMISTRY; METALLURGY
- C04—CEMENTS; CONCRETE; ARTIFICIAL STONE; CERAMICS; REFRACTORIES
- C04B—LIME, MAGNESIA; SLAG; CEMENTS; COMPOSITIONS THEREOF, e.g. MORTARS, CONCRETE OR LIKE BUILDING MATERIALS; ARTIFICIAL STONE; CERAMICS; REFRACTORIES; TREATMENT OF NATURAL STONE
- C04B2235/00—Aspects relating to ceramic starting mixtures or sintered ceramic products
- C04B2235/02—Composition of constituents of the starting material or of secondary phases of the final product
- C04B2235/30—Constituents and secondary phases not being of a fibrous nature
- C04B2235/44—Metal salt constituents or additives chosen for the nature of the anions, e.g. hydrides or acetylacetonate
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- C—CHEMISTRY; METALLURGY
- C04—CEMENTS; CONCRETE; ARTIFICIAL STONE; CERAMICS; REFRACTORIES
- C04B—LIME, MAGNESIA; SLAG; CEMENTS; COMPOSITIONS THEREOF, e.g. MORTARS, CONCRETE OR LIKE BUILDING MATERIALS; ARTIFICIAL STONE; CERAMICS; REFRACTORIES; TREATMENT OF NATURAL STONE
- C04B2235/00—Aspects relating to ceramic starting mixtures or sintered ceramic products
- C04B2235/70—Aspects relating to sintered or melt-casted ceramic products
- C04B2235/96—Properties of ceramic products, e.g. mechanical properties such as strength, toughness, wear resistance
Abstract
The invention discloses a composite silicon refractory ball which is prepared from the following raw materials in parts by weight: 50-55 parts of silica sand with the granularity of 0-3 mm; 32-40 parts of silica powder with the granularity of 0.088-0.098 mm; the granularity is 0.8-1 part of zirconium silicon micro powder; 0.5-1 part of iron-phosphorus powder; 1-1.5 parts of bentonite with the granularity of 0.088-0.098 mm; 2.5 parts of calcium powder with the granularity of 0.088-0.098 mm; 2-5 parts of yellow dextrin. The invention has high refractoriness under load, high strength, high integral performance and long service life.
Description
Technical Field
The invention relates to a composite silicon refractory ball and a preparation method thereof, belonging to the field of refractory material preparation.
Background
As is well known, a refractory ball is one of refractory materials, but the following problems are common in the existing refractory balls: the refractory ball has harmful elements after being prepared, which are harmful to human environment, and the prior refractory ball has low refractoriness under load, poor strength, poor integral performance and short service life. Therefore, there is a need for improvement of the prior art to overcome the above technical problems.
Disclosure of Invention
In order to solve the technical problems, the invention provides a composite silicon refractory ball, which is realized by the following technical scheme:
the invention relates to a composite silicon refractory ball which is prepared from the following raw materials in parts by weight: 50-55 parts of silica sand with the granularity of 0-3 mm; 32-40 parts of silica powder with the granularity of 0.088-0.098 mm; the granularity is 0.8-1 part of zirconium silicon micro powder; 0.5-1 part of iron-phosphorus powder; 1-1.5 parts of bentonite with the granularity of 0.088-0.098 mm; 2.5 parts of calcium powder with the granularity of 0.088-0.098 mm; 2-5 parts of yellow dextrin.
The preferred scheme is as follows: 50 parts of silica sand, 32 parts of silica powder, 1 part of zirconium-silicon micro powder, 0.5 part of iron-phosphorus powder, 1 part of bentonite, 2.5 parts of calcium powder and 2 parts of yellow dextrin.
The preferred scheme is as follows: 55 parts of silica sand, 40 parts of silica powder, 1 part of zirconium-silicon micro powder, 0.5 part of iron-phosphorus powder, 1 part of bentonite, 2.5 parts of calcium powder and 2 parts of yellow dextrin.
The preferred scheme is as follows: 50 parts of silica sand, 32 parts of silica powder, 0.8 part of zirconium-silicon micro powder, 1 part of iron-phosphorus powder, 1.5 parts of bentonite, 2.5 parts of calcium powder and 5 parts of yellow dextrin
The method for preparing the composite silicon refractory ball comprises the following steps:
s1: preparing raw materials according to the parts by weight, and adding the raw materials into a forced mixer for mixing;
s2: ageing the raw materials mixed in the S1 for 8-9 h;
s3: putting the raw material in the S2 into a pressure machine to form a blank;
s4: putting the parison into an environment-friendly energy-saving dryer, drying at 90-100 ℃, and drying for 20-24h to obtain a blank;
s5: and the blank in the S4 is placed into a brick kiln for firing, the sintering temperature is 1300-1800 ℃, and the sintering duration is 8-10 hours.
The preferred scheme is as follows: wherein the drying temperature in S4 is 100 ℃, and the blank is obtained after drying for 20 h; in S5, the sintering temperature is 1300 ℃ and the sintering duration is 8 h.
The invention has the beneficial effects that:
1. the invention does not contain harmful elements and has no pollution to human environment.
2. The invention has high refractoriness under load, high strength and high overall performance, and the performance parameters are detailed in table 1.
3. According to the invention, through the adjustment of the formula and the granularity, the service life is prolonged by 2-3 times under the same original use frequency and strength, the fussy maintenance construction of blowing out and ball changing is reduced, the maintenance cost is saved, and the production efficiency of steel is improved.
Other advantageous effects of the present invention will be further described with reference to the following specific examples.
Detailed Description
The invention relates to a composite silicon refractory ball which is prepared from the following raw materials in parts by weight: 50-55 parts of silica sand with the granularity of 0-3 mm; 32-40 parts of silica powder with the granularity of 0.088-0.098 mm; the granularity is 0.8-1 part of zirconium silicon micro powder; 0.5-1 part of iron-phosphorus powder; 1-1.5 parts of bentonite with the granularity of 0.088-0.098 mm; 2.5 parts of calcium powder with the granularity of 0.088-0.098 mm; 2-5 parts of yellow dextrin. The composite silicon refractory ball has high charge softness (over 1600 deg.c), low creep deformation, no adhesion and long service life. Secondly, the siliceous material is a high refractories with soft charge, the zirconium silicon micro powder is a high-temperature refractory, the iron phosphorus powder, calcium powder and bentonite are used as binding agents, the consumption of the binding agents is reduced, the addition of the high-temperature material is increased, and the performance can be further improved.
The specific examples of the scheme and the properties of the products prepared by the examples are as follows:
example 1
In this embodiment, the composite silica refractory ball is prepared from the following raw materials in parts by weight: 50 parts of silica sand, 32 parts of silica powder, 1 part of zirconium-silicon micro powder, 0.5 part of iron-phosphorus powder, 1 part of bentonite, 2.5 parts of calcium powder and 2 parts of yellow dextrin.
Example 2
In this embodiment, the composite silica refractory ball is prepared from the following raw materials in parts by weight: 55 parts of silica sand, 40 parts of silica powder, 1 part of zirconium-silicon micro powder, 0.5 part of iron-phosphorus powder, 1 part of bentonite, 2.5 parts of calcium powder and 2 parts of yellow dextrin.
Example 3
In this embodiment, the composite silica refractory ball is prepared from the following raw materials in parts by weight: 50 parts of silica sand, 32 parts of silica powder, 0.8 part of zirconium-silicon micro powder, 1 part of iron-phosphorus powder, 1.5 parts of bentonite, 2.5 parts of calcium powder and 5 parts of yellow dextrin.
TABLE 1
Any of the above examples 1-3 can be prepared by:
the invention discloses a method for preparing the composite silicon refractory ball, which comprises the following steps:
s1: preparing raw materials according to the parts by weight, and adding the raw materials into a forced mixer for mixing;
s2: ageing the raw materials mixed in the S1 for 8-9 h;
s3: putting the raw material in the S2 into a pressure machine to form a blank;
s4: putting the parison into an environment-friendly energy-saving dryer, drying at 90-100 ℃, and drying for 20-24h to obtain a blank;
s5: and the blank in the S4 is placed into a brick kiln for firing, the sintering temperature is 1300-1800 ℃, and the sintering duration is 8-10 hours.
Through long-term research, the inventor finds that the blank is obtained by drying at the drying temperature of 100 ℃ in S4 for 20 hours; in S5, the fire-resistant balls fired under the conditions of the sintering temperature of 1300 ℃ and the sintering duration of 8 hours have high wind temperature, long service life, high load, no adhesion and good ventilation effect when used in a plurality of hot blast furnaces.
Finally, the above embodiments are only for illustrating the technical solutions of the present invention and not for limiting, although the present invention has been described in detail with reference to the preferred embodiments, it should be understood by those skilled in the art that modifications or equivalent substitutions may be made to the technical solutions of the present invention without departing from the spirit and scope of the technical solutions of the present invention, and all of them should be covered in the claims of the present invention.
Claims (6)
1. The composite silicon refractory ball is characterized by being prepared from the following raw materials in parts by weight: 50-55 parts of silica sand with the granularity of 0-3 mm; 32-40 parts of silica powder with the granularity of 0.088-0.098 mm; the granularity is 0.8-1 part of zirconium silicon micro powder; 0.5-1 part of iron-phosphorus powder; 1-1.5 parts of bentonite with the granularity of 0.088-0.098 mm; 2.5 parts of calcium powder with the granularity of 0.088-0.098 mm; 2-5 parts of yellow dextrin.
2. The composite, bonded silica refractory ball of claim 1, wherein: 50 parts of silica sand, 32 parts of silica powder, 1 part of zirconium-silicon micro powder, 0.5 part of iron-phosphorus powder, 1 part of bentonite, 2.5 parts of calcium powder and 2 parts of yellow dextrin.
3. The composite silica refractory ball of claim 1, wherein: 55 parts of silica sand, 40 parts of silica powder, 1 part of zirconium-silicon micro powder, 0.5 part of iron-phosphorus powder, 1 part of bentonite, 2.5 parts of calcium powder and 2 parts of yellow dextrin.
4. The composite silica refractory ball of claim 1, wherein: 50 parts of silica sand, 32 parts of silica powder, 0.8 part of zirconium-silicon micro powder, 1 part of iron-phosphorus powder, 1.5 parts of bentonite, 2.5 parts of calcium powder and 5 parts of yellow dextrin.
5. A method for preparing the composite siliceous refractory sphere according to any one of claims 1 to 4, comprising the steps of:
s1: preparing raw materials according to the parts by weight, and adding the raw materials into a forced mixer for mixing;
s2: ageing the raw materials mixed in the S1 for 8-9 h;
s3: putting the raw material in the S2 into a pressure machine to form a blank;
s4: putting the parison into an environment-friendly energy-saving dryer, drying at 90-100 ℃, and drying for 20-24h to obtain a blank;
s5: and the blank in the S4 is placed into a brick kiln for firing, the sintering temperature is 1300-1800 ℃, and the sintering duration is 8-10 hours.
6. The method for preparing composite silicon refractory ball according to claim 5, wherein:
wherein the drying temperature in S4 is 100 ℃, and the blank is obtained after drying for 20 h; in S5, the sintering temperature is 1300 ℃ and the sintering duration is 8 h.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010658533.4A CN111747763A (en) | 2020-07-09 | 2020-07-09 | Composite silicon refractory ball and preparation method thereof |
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| CN202010658533.4A CN111747763A (en) | 2020-07-09 | 2020-07-09 | Composite silicon refractory ball and preparation method thereof |
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| CN111747763A true CN111747763A (en) | 2020-10-09 |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115028463A (en) * | 2022-05-23 | 2022-09-09 | 中钢洛耐(洛阳)新材料有限公司 | Processing technology of refractory brick with low thermal conductivity |
Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2004085337A1 (en) * | 2003-03-25 | 2004-10-07 | Bet-Ker Oy | Manufacturing method of a heat-resistant material, heat-resistant structure, structural material and dry matter composition |
| CN1676489A (en) * | 2004-03-30 | 2005-10-05 | 柳州钢铁股份有限公司 | Refractory ball for blast furnace ball type hot-blast stove |
| CN103130517A (en) * | 2011-12-02 | 2013-06-05 | 河南省新密市青屏耐火材料有限责任公司 | High thermal conductivity and high wear resistance silica brick used for coke oven bottom |
| CN104944976A (en) * | 2015-05-26 | 2015-09-30 | 柳州市亿廷贸易有限责任公司 | Preparation method of silica insulating refractory bricks |
| CN105152661A (en) * | 2015-09-10 | 2015-12-16 | 中钢集团耐火材料有限公司 | Silica brick for hot blast stove |
| CN108372574A (en) * | 2018-04-19 | 2018-08-07 | 郑州兴宝耐火材料有限公司 | The more ball forming numerical control devices of full-automatic flame-proof sphere |
| CN109574641A (en) * | 2018-12-27 | 2019-04-05 | 中钢集团耐火材料有限公司 | A kind of energy-saving hot-air stove high thermal conductivity silica brick |
| CN111236316A (en) * | 2020-01-14 | 2020-06-05 | 广州坚磊建设有限公司 | Prefabricated reinforced concrete inspection well installation and pouring process |
-
2020
- 2020-07-09 CN CN202010658533.4A patent/CN111747763A/en active Pending
Patent Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2004085337A1 (en) * | 2003-03-25 | 2004-10-07 | Bet-Ker Oy | Manufacturing method of a heat-resistant material, heat-resistant structure, structural material and dry matter composition |
| CN1676489A (en) * | 2004-03-30 | 2005-10-05 | 柳州钢铁股份有限公司 | Refractory ball for blast furnace ball type hot-blast stove |
| CN103130517A (en) * | 2011-12-02 | 2013-06-05 | 河南省新密市青屏耐火材料有限责任公司 | High thermal conductivity and high wear resistance silica brick used for coke oven bottom |
| CN104944976A (en) * | 2015-05-26 | 2015-09-30 | 柳州市亿廷贸易有限责任公司 | Preparation method of silica insulating refractory bricks |
| CN105152661A (en) * | 2015-09-10 | 2015-12-16 | 中钢集团耐火材料有限公司 | Silica brick for hot blast stove |
| CN108372574A (en) * | 2018-04-19 | 2018-08-07 | 郑州兴宝耐火材料有限公司 | The more ball forming numerical control devices of full-automatic flame-proof sphere |
| CN109574641A (en) * | 2018-12-27 | 2019-04-05 | 中钢集团耐火材料有限公司 | A kind of energy-saving hot-air stove high thermal conductivity silica brick |
| CN111236316A (en) * | 2020-01-14 | 2020-06-05 | 广州坚磊建设有限公司 | Prefabricated reinforced concrete inspection well installation and pouring process |
Non-Patent Citations (3)
| Title |
|---|
| 刘世聚: "热风炉耐火球的研制与应用", 《炼铁》 * |
| 刘全兴: "《高炉热风炉操作与煤气知识问冶金工业出版社答 第2版》", 30 April 2013, 冶金工业出版社 * |
| 徐平坤: "利用天然耐火矿物原料生产耐火材料探讨", 《再生资源与循环经济》 * |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115028463A (en) * | 2022-05-23 | 2022-09-09 | 中钢洛耐(洛阳)新材料有限公司 | Processing technology of refractory brick with low thermal conductivity |
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Application publication date: 20201009 |