CN101139211A - Silica fire-resistant slurry powder - Google Patents
Silica fire-resistant slurry powder Download PDFInfo
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- CN101139211A CN101139211A CNA2007100624838A CN200710062483A CN101139211A CN 101139211 A CN101139211 A CN 101139211A CN A2007100624838 A CNA2007100624838 A CN A2007100624838A CN 200710062483 A CN200710062483 A CN 200710062483A CN 101139211 A CN101139211 A CN 101139211A
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Abstract
The present invention relates to the fireproof material technology field, in particular to a silicon fireproof slurry powder, which is developed to overcome the shortcoming in the prior silicon slurry powder that the material qualities between the raw material for preparing the fireproof slurry powder and the silicon brick for preparing the brick stove body are not similar so as to lead to non-adhesive in the high temperature. The present invention consists of 46-48 percent of silica, 46-48 percent of residue silica brick, 5-7 percent of fireproof clay as well as 0.03-0.05 percent of yellow starch gum. The material qualities between the residue silicon brick and the fireproof slurry powder for the brick stove body are similar; each physical and chemical index of the silicon fireproof slurry powder in the present invention is better than the national standard; by using of the silica and the residue silicon brick with the similar material quality to the silicon brick used for the stove body of the fireproof slurry powder as the main material, the present invention not only realizes the maximum utilization for the waste material, but also the present invention can overcome the shortcomings that the slurry powder and the silicon brick are adhesive in the low temperature but non adhesive in the high temperature. By contraries, the adhesion effect is much greater under the function of yellow starch gum. The present invention can enhance the brick quality for the stove body effectively and prolong the life time for the stove body; the present invention is adaptable to be used in the high temperature stove body for building the heat-air stove, coke stove or glass stove.
Description
Technical field
The present invention relates to technical field of refractory materials, be specially a kind of silica fire-resistant slurry powder that is applicable to blast furnaces such as building hotblast stove, coke oven, glass kiln by laying bricks or stones.
Background technology
Siliceous mud powder is the matrix material of building high temperature bodies of heater such as coke oven by laying bricks or stones, and its performance directly influences the masonry quality and the work-ing life of body of heater.At present, people use natural mud always, as some manufacturer, with the tripoli is main raw material, mix with a small amount of residual silica brick that each produces silica brick producer then and make natural mud powder, in actual use, because the main raw material of natural mud is a tripoli, the silica brick used with building bodies of heater such as coke oven by laying bricks or stones there are differences on material, though also contain a spot of residual silica brick in the batching, but because geographic otherness, make residual silica brick that preparation mud powder the uses silica brick used on material, also there are differences with building body of heater such as coke oven by laying bricks or stones, therefore natural mud and silica brick bonding under low temperature environment have appearred in construction process, and under hot environment inadherent phenomenon, production has from now on brought great hidden danger to High Temperature Furnaces Heating Apparatuss such as coke ovens.
Summary of the invention
The present invention exists the preparation fire-resistant slurry powder inconsistent with the material of raw material and masonry heater body and function silica brick in order to solve existing siliceous mud powder in actual use, causes the mutual inadherent problem of high temperature, and a kind of silica fire-resistant slurry powder is provided.
The present invention adopts following technical scheme to realize: silica fire-resistant slurry powder, make by following raw materials by weight percent: SiO
2Content is not less than 97.5% silica 46-48%, SiO
2Content is not less than 94% residual silica brick 46-48%, Al
2O
3Content is not less than 25% fireclay 5-7%, adds the yellow starch gum of the 0.03-0.05% that accounts for the above-mentioned raw materials gross weight, and described residual silica brick is consistent with the silica brick material of body of heater that this fire-resistant slurry powder is built by laying bricks or stones;
Described silica is made of two portions, and wherein the silica granule of particle size range between 1-0.074mm accounts for 5-15%, and the particle of particle size range between＜0.074mm accounts for 85-95%; Described residual silica brick is made of three parts, and wherein the residual silica brick particle of particle size range between 1-3mm accounts for 1-2%, and the particle of particle size range between 1-0.074mm accounts for 64-74%, and the particle of particle size range between＜0.074mm accounts for 24-34%; Described fireclay is made of two portions, and wherein the fireclay particle of particle size range between 1-0.074mm accounts for 5-15%, and the particle of particle size range＜0.074mm accounts for 85-95%; Fineness is meant the granular size of refractory raw material, particle size distribution is meant in successive, the different fineness level range, the shared weight percent of each other particle of fineness level, the particle size distribution of refractory raw material all has very big influence to the performance index such as volume density, void content, physical strength, plasticity-, firing property and stability of refractory product, applicant of the present invention through repeatedly proportioning test, comparison, analysis, draws the fineness and the particle size distribution of the raw material of above-mentioned silica fire-resistant slurry powder on theoretical basis;
Described residual silica brick is meant truncation, unfilled corner in the finished product silica brick, profiles such as crackle arranged, defective substandard products in appearance, rather than refer to that its physical and chemical index does not reach the substandard products of requirement, thereby guarantee that residual silica brick that preparation mud powder the uses silica brick used with building body of heater such as coke oven by laying bricks or stones is consistent on material.
Described silica adopts five silicas, and five silicas are meant the silica that is produced from area, Wutai Mountain, Shanxi Province, and its composition and performance index are that those of ordinary skill in the art is known.
In technological process, at first raw material is chosen, checked and accepted, wherein silica surface must not have red clay and other impurity, and lumpiness requires greater than 100mm, and less than 300mm; Must not there be the iron speck of 10mm on residual silica brick surface, must not speckle with earth; Must not sneak into other impurity, earth, coal gangue etc. in the fireclay.Then that three kinds of raw materials are broken by above-mentioned particle diameter requirement respectively, and carry out weighing, pour mixing pan again into and mix and get final product, during use, add yellow starch gum in proportion and stir, yellow starch gum has very strong cohesive action, and can keep the moisture in the fire-resistant slurry powder.
Adopt the every physical and chemical index and the national standard of prescription of the present invention and the prepared silica fire-resistant slurry powder of making method to compare, as shown in the table,
| Project | Standard value | The average measured value of the present invention |
| Refractoriness, awl CN | 1660 | ≥1680 |
| The anti-folding of cold conditions cohesive strength is after the back 1400 ℃ * 3h of 110 ℃ of dryings of Mpa burns | ≥1 ≥3 | ≥1 ≥3.3 |
| Tack time, min | 1-2 | 1-2 |
| Size composition, %+1mm-0.074mm | ≤3 ≥50 | ≤3 ≥65 |
| Chemical ingredients, % SiO2 | ≥92 | ≥92 |
| 0.2Mpa loading softening begins temperature, ℃ | ≥1500 | ≥1580 |
As seen from the above table, every physical and chemical index of silica fire-resistant slurry powder of the present invention all is better than national standard.It is main raw material that the present invention adopts silica, the residual silica brick consistent with the silica brick material of body of heater that this fire-resistant slurry powder is built by laying bricks or stones, not only realized the maximum using of waste material, and proportioning raw materials and particle size distribution are reasonable, in construction process, can not appear at mud powder and silica brick bonding under the low temperature environment and under hot environment inadherent phenomenon, on the contrary under the effect of fireclay, yellow starch gum, bonding more firm, effectively improved the masonry quality of body of heater, prolong the work-ing life of body of heater, be applicable to high temperature bodies of heater such as building hotblast stove, coke oven, glass kiln by laying bricks or stones.
Embodiment
Embodiment 1:
Silica fire-resistant slurry powder is made by following raw materials by weight percent: SiO
2Content is not less than 97.5% silica 46%, SiO
2Content is not less than 94% residual silica brick 48%, Al
2O
3Content is not less than 25% fireclay 6%, add 0.03% the yellow starch gum that accounts for the above-mentioned raw materials gross weight, described residual silica brick is consistent with the silica brick material of body of heater that this fire-resistant slurry powder is built by laying bricks or stones, described silica adopts five silicas, constitute by two portions, wherein the silica granule of particle size range between 1-0.074mm accounts for 5%, and the particle of particle size range＜0.074mm accounts for 95%; Described residual silica brick is made of three parts, and wherein the residual silica brick particle of particle size range between 1-3mm accounts for 1%, and the particle of particle size range between 1-0.074mm accounts for 74%, and the particle of particle size range＜0.074mm accounts for 25%; Described fireclay is made of two portions, and wherein the fireclay particle of particle size range between 1-0.074mm accounts for 15%, and the particle of particle size range＜0.074mm accounts for 85%.During production, silica, residual silica brick and fireclay is broken by above-mentioned particle diameter requirement respectively, and carry out weighing, to pour mixing pan again into and mix, pack is adorned one bag in addition with yellow starch gum then, during use, the raw material in two bags is mixed and stirs, and can use.
Embodiment 2:
Silica fire-resistant slurry powder is made by following raw materials by weight percent: SiO
2Content is not less than 97.5% silica 48%, SiO
2Content is not less than 94% residual silica brick 46%, Al
2O
3Content is not less than 25% fireclay 6%, add 0.05% the yellow starch gum that accounts for the above-mentioned raw materials gross weight, described residual silica brick is consistent with the silica brick material of body of heater that this fire-resistant slurry powder is built by laying bricks or stones, described silica adopts five silicas, constitute by two portions, wherein the silica granule of particle size range between 1-0.074mm accounts for 15%, and the particle of particle size range＜0.074mm accounts for 85%; Described residual silica brick is made of three parts, and wherein the residual silica brick particle of particle size range between 1-3mm accounts for 2%, and the particle of particle size range between 1-0.074mm accounts for 74%, and the particle of particle size range＜0.074mm accounts for 24%; Described fireclay is made of two portions, and wherein the fireclay particle of particle size range between 1-0.074mm accounts for 5%, and the particle of particle size range＜0.074mm accounts for 95%.During production, silica, residual silica brick and fireclay is broken by above-mentioned particle diameter requirement respectively, and carry out weighing, to pour mixing pan again into and mix, pack is adorned one bag in addition with yellow starch gum then, during use, the raw material in two bags is mixed and stirs, and can use.
Embodiment 3:
Silica fire-resistant slurry powder is made by following raw materials by weight percent: SiO
2Content is not less than 97.5% silica 46%, SiO
2Content is not less than 94% residual silica brick 47%, Al
2O
3Content is not less than 25% fireclay 7%, add 0.04% the yellow starch gum that accounts for the above-mentioned raw materials gross weight, described residual silica brick is consistent with the silica brick material of body of heater that this fire-resistant slurry powder is built by laying bricks or stones, described silica adopts five silicas, constitute by two portions, wherein the silica granule of particle size range between 1-0.074mm accounts for 10%, and the particle of particle size range＜0.074mm accounts for 90%; Described residual silica brick is made of three parts, and wherein the residual silica brick particle of particle size range between 1-3mm accounts for 2%, and the particle of particle size range between 1-0.074mm accounts for 64%, and the particle of particle size range＜0.074mm accounts for 34%; Described fireclay is made of two portions, and wherein the fireclay particle of particle size range between 1-0.074mm accounts for 8%, and the particle of particle size range＜0.074mm accounts for 92%.During production, silica, residual silica brick and fireclay is broken by above-mentioned particle diameter requirement respectively, and carry out weighing, to pour mixing pan again into and mix, pack is adorned one bag in addition with yellow starch gum then, during use, the raw material in two bags is mixed and stirs, and can use.
Embodiment 4:
Silica fire-resistant slurry powder is made by following raw materials by weight percent: SiO
2Content is not less than 97.5% silica 47%, SiO
2Content is not less than 94% residual silica brick 48%, Al
2O
3Content is not less than 25% fireclay 5%, add 0.05% the yellow starch gum that accounts for the above-mentioned raw materials gross weight, described residual silica brick is consistent with the silica brick material of body of heater that this fire-resistant slurry powder is built by laying bricks or stones, described silica adopts five silicas, constitute by two portions, wherein the silica granule of particle size range between 1-0.074mm accounts for 12%, and the particle of particle size range＜0.074mm accounts for 88%; Described residual silica brick is made of three parts, and wherein the residual silica brick particle of particle size range between 1-3mm accounts for 1%, and the particle of particle size range between 1-0.074mm accounts for 70%, and the particle of particle size range＜0.074mm accounts for 29%; Described fireclay is made of two portions, and wherein the fireclay particle of particle size range between 1-0.074mm accounts for 14%, and the particle of particle size range＜0.074mm accounts for 86%.During production, silica, residual silica brick and fireclay is broken by above-mentioned particle diameter requirement respectively, and carry out weighing, to pour mixing pan again into and mix, pack is adorned one bag in addition with yellow starch gum then, during use, the raw material in two bags is mixed and stirs, and can use.
Embodiment 5:
Silica fire-resistant slurry powder is made by following raw materials by weight percent: SiO
2Content is not less than 97.5% silica 48%, SiO
2Content is not less than 94% residual silica brick 47%, Al
2O
3Content is not less than 25% fireclay 5%, add 0.03% the yellow starch gum that accounts for the above-mentioned raw materials gross weight, described residual silica brick is consistent with the silica brick material of body of heater that this fire-resistant slurry powder is built by laying bricks or stones, described silica adopts five silicas, constitute by two portions, wherein the silica granule of particle size range between 1-0.074mm accounts for 7%, and the particle of particle size range＜0.074mm accounts for 93%; Described residual silica brick is made of three parts, and wherein the residual silica brick particle of particle size range between 1-3mm accounts for 2%, and the particle of particle size range between 1-0.074mm accounts for 66%, and the particle of particle size range＜0.074mm accounts for 32%; Described fireclay is made of two portions, and wherein the fireclay particle of particle size range between 1-0.074mm accounts for 11%, and the particle of particle size range＜0.074mm accounts for 89%.During production, silica, residual silica brick and fireclay is broken by above-mentioned particle diameter requirement respectively, and carry out weighing, to pour mixing pan again into and mix, pack is adorned one bag in addition with yellow starch gum then, during use, the raw material in two bags is mixed and stirs, and can use.
Claims (2)
1. a silica fire-resistant slurry powder is characterized in that being made by following raw materials by weight percent: SiO
2Content is not less than 97.5% silica 46-48%, SiO
2Content is not less than 94% residual silica brick 46-48%, Al
2O
3Content is not less than 25% fireclay 5-7%, adds the yellow starch gum of the 0.03-0.05% that accounts for the above-mentioned raw materials gross weight, and described residual silica brick is consistent with the silica brick material of body of heater that this fire-resistant slurry powder is built by laying bricks or stones,
Described silica is made of two portions, and wherein the silica granule of particle size range between 1-0.074mm accounts for 5-15%, and the particle of particle size range＜0.074mm accounts for 85-95%;
Described residual silica brick is made of three parts, and wherein the residual silica brick particle of particle size range between 1-3mm accounts for 1-2%, and the particle of particle size range between 1-0.074mm accounts for 64-74%, and the particle of particle size range＜0.074mm accounts for 24-34%;
Described fireclay is made of two portions, and wherein the fireclay particle of particle size range between 1-0.074mm accounts for 5-15%, and the particle of particle size range＜0.074mm accounts for 85-95%.
2. silica fire-resistant slurry powder according to claim 1 is characterized in that described silica adopts five silicas.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNB2007100624838A CN100548925C (en) | 2007-07-18 | 2007-07-18 | Silica fire-resistant slurry powder |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNB2007100624838A CN100548925C (en) | 2007-07-18 | 2007-07-18 | Silica fire-resistant slurry powder |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN101139211A true CN101139211A (en) | 2008-03-12 |
| CN100548925C CN100548925C (en) | 2009-10-14 |
Family
ID=39191345
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CNB2007100624838A Active CN100548925C (en) | 2007-07-18 | 2007-07-18 | Silica fire-resistant slurry powder |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN100548925C (en) |
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101407389B (en) * | 2008-11-08 | 2011-09-21 | 山西高科耐火材料股份有限公司 | Efficient composite silica sealing slurry and preparation thereof |
| CN101648818B (en) * | 2009-09-10 | 2012-05-23 | 武汉钢铁(集团)公司 | Sealing material of coke furnace and production method thereof |
| CN102992784A (en) * | 2012-11-15 | 2013-03-27 | 中钢集团耐火材料有限公司 | Homogeneous same-phase silica mud for large coke oven |
| CN105601302A (en) * | 2015-12-30 | 2016-05-25 | 宜兴市集创新材料科技有限公司 | Coke oven fire-resistant bonding agent |
| CN109020575A (en) * | 2018-09-05 | 2018-12-18 | 云南濮耐昆钢高温材料有限公司 | A kind of silica fire resistant mud of useless silica brick production |
-
2007
- 2007-07-18 CN CNB2007100624838A patent/CN100548925C/en active Active
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101407389B (en) * | 2008-11-08 | 2011-09-21 | 山西高科耐火材料股份有限公司 | Efficient composite silica sealing slurry and preparation thereof |
| CN101648818B (en) * | 2009-09-10 | 2012-05-23 | 武汉钢铁(集团)公司 | Sealing material of coke furnace and production method thereof |
| CN102992784A (en) * | 2012-11-15 | 2013-03-27 | 中钢集团耐火材料有限公司 | Homogeneous same-phase silica mud for large coke oven |
| CN102992784B (en) * | 2012-11-15 | 2014-09-24 | 中钢集团耐火材料有限公司 | Homogeneous same-phase silica mud for large coke oven |
| CN105601302A (en) * | 2015-12-30 | 2016-05-25 | 宜兴市集创新材料科技有限公司 | Coke oven fire-resistant bonding agent |
| CN109020575A (en) * | 2018-09-05 | 2018-12-18 | 云南濮耐昆钢高温材料有限公司 | A kind of silica fire resistant mud of useless silica brick production |
Also Published As
| Publication number | Publication date |
|---|---|
| CN100548925C (en) | 2009-10-14 |
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