CN104193377B - A kind of early strong antiknock fire-resistant gravity flow material - Google Patents
A kind of early strong antiknock fire-resistant gravity flow material Download PDFInfo
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- CN104193377B CN104193377B CN201410489400.3A CN201410489400A CN104193377B CN 104193377 B CN104193377 B CN 104193377B CN 201410489400 A CN201410489400 A CN 201410489400A CN 104193377 B CN104193377 B CN 104193377B
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Abstract
The invention belongs to technical field of refractory materials, concrete open a kind of early strong antiknock fire-resistant gravity flow material.Its raw material consists of alumina or flint clay, agalmatolite, silicon carbide, alumina-based α-Al
2o
3micro mist, SiO
2micro mists etc. take aluminate cement as bonding agent, add compound additive and detonation suppressor.This self-flowing material has early strong, high-strength, anti-burst characteristics, shorten demould time, can the advantage such as quick baking, and there is good resistance to elevated temperatures.
Description
Technical field
The invention belongs to technical field of refractory materials, be specifically related to a kind of early strong antiknock fire-resistant gravity flow material.
Background technology
The positions such as cement kiln preheaters top cover, grate-cooler top cover, wicket cover top cover, the general mode of perforate cast that adopts of refractory castable construction is carried out, during cast vibration, vibrating spear will be inserted by perforate, because vibrating spear is subject to the restriction of bore size and position of opening, vibrating spear can not vibrate and put in place, often causes mould material local eakiness or cavity, has a strong impact on construction quality.
Summary of the invention
The technical problem to be solved in the present invention is to provide a kind of early strong antiknock fire-resistant gravity flow material.
For solving the problems of the technologies described above, the technical scheme that the present invention takes is as follows:
A kind of early strong antiknock fire-resistant gravity flow material, be made up of aggregate, powder, bonding agent, compound additive and detonation suppressor, by percentage to the quality, aggregate, powder, bonding agent sum are 100%, aggregate is alumine/flint clay, agalmatolite and silicon carbide, aggregate proportion is 50 ~ 55%, and wherein agalmatolite accounts for 0 ~ 10%, silicon carbide accounts for 0 ~ 8%, and surplus is alumine/flint clay; Powder is lapis amiridis, alumine powder, SiO
2micro mist, carborundum powder and alumina-based α-Al
2o
3micro mist, powder proportion is 35 ~ 44%, and wherein lapis amiridis accounts for 0 ~ 39%, alumine powder accounts for 0 ~ 39%, SiO
2micro mist accounts for 5 ~ 8%, carborundum powder accounts for 3 ~ 5%, alumina-based α-Al
2o
3micro mist accounts for 4 ~ 10%; Bonding agent is aluminate cement, and bonding agent proportion is 6 ~ 10%; Compound additive is the mixture of tripoly phosphate sodium STPP/Sodium hexametaphosphate 99 and polycarboxylate high performance water-reducing agent, compound additive account for aggregate, powder, bonding agent sum 0.15 ~ 0.25%; Detonation suppressor is explosion-proof fiber (main component polypropylene), detonation suppressor account for aggregate, powder, bonding agent sum 0.1 ~ 0.15%.
Preferably, aggregate is divided into three grades of granularities: coarse aggregate 5 ~ 3mm, middle aggregate 3 ~ 1mm and fine aggregate 1-0mm; Granularity≤the 0.088mm of powder.
Further, alumine/flint clay is divided into three grades of granularity: 5 ~ 3mm, 3 ~ 1mm and 1-0mm, and agalmatolite granularity is 3 ~ 1mm, and carborundum granularity is 1-0mm; Alumina-based α-Al
2o
3powder size≤0.010mm, SiO
2powder size≤0.010mm.
Further, coarse aggregate accounts for 20 ~ 25%, and middle aggregate accounts for 12 ~ 20%, and fine aggregate accounts for 15 ~ 18%.
Preferably, Al in alumine
2o
3>=80wt%, Al in flint clay
2o
3>=44wt%, in agalmatolite: Al
2o
3>=18 ~ 20wt%, K
2o+Na
2o≤0.5 ~ 0.7wt%, Fe
2o
3≤ 0.8 ~ 1.0wt%; Al in alumine powder
2o
3>=80wt%, SiC>=94wt% in silicon carbide, alumina-based α-Al
2o
3al in micro mist
2o
3>=85wt%.
Preferably, aluminate cement is at least one in CA50, CA60, CA70.
Preferably, tripoly phosphate sodium STPP/Sodium hexametaphosphate 99 and the composite quality of polycarboxylate high performance water-reducing agent are than being 1:1 ~ 1:2.
The present invention has actively useful effect:
1, realized the object of its Self-leveling by composite high-performance admixture technology, have amount of water few simultaneously, aggregate is not separated with slurry (not bleeding or do not emanate), normal temperature fast setting;
2, add agalmatolite particle by aggregate, utilize its 1050 ~ 1150 DEG C microdilatancy characteristic occurs, make up the contraction because other material high temperature sintering causes.
3, by adding explosion-proof agent technology, solving the internal structure caused in self-flowing material quick baking process and destroying the problem even burst.
4, self-flowing material of the present invention has easy construction, realizes Self-leveling by material deadweight; Have simultaneously early strong (can demould time be shortened), high-strength, explosion-proof, can the good characteristic such as quick baking; The introducing of agalmatolite, reduce line change after burning, structural stability increases.
5, the present invention adopts the mode of gravity flow to construct, and have following advantage: first, perforate number can reduce, and can reduce opening diameter simultaneously, guarantee that equipment metal construction is not destroyed.The second, pumping mode can be adopted to carry, directly water, reduce labor intensity.
6, early strong antiknock fire-resistant gravity flow material integrated performance index is as shown in table 1 in the present invention.
Embodiment
Following embodiment Raw is commercial, and Al in alumine
2o
3>=80wt%, Al in flint clay
2o
3>=44wt%, in agalmatolite: Al
2o
3>=18 ~ 20wt%, K
2o+Na
2o≤0.5 ~ 0.7wt%, Fe
2o
3≤ 0.8 ~ 1.0wt%; Al in alumine powder
2o
3>=80wt%, SiC>=94wt% in silicon carbide, alumina-based α-Al
2o
3al in micro mist
2o
3>=85wt%.
Embodiment 1
A kind of early strong explosion-proof fire-resistant gravity flow material, concrete proportioning (%, mass percent) is as follows:
Embodiment 2
A kind of early strong explosion-proof fire-resistant gravity flow material, concrete proportioning (%, mass percent) is as follows:
Embodiment 3
A kind of early strong explosion-proof fire-resistant gravity flow material, concrete proportioning (%, mass percent) is as follows:
Embodiment 4
A kind of early strong explosion-proof fire-resistant gravity flow material, concrete proportioning (%, mass percent) is as follows:
The preparation method of embodiment 1 ~ 4 self-flowing material: by proportioning feeding, mix.
Using method: the ratio (account for the per-cent of self-flowing material) of self-flowing material of the present invention in 7-8wt% is added water, after stirring into slurry, namely pourable.
Embodiment 1 ~ 4 self-flowing material prepares sample by the regulation of YB/T5202.1 " unshape refractory preparation method of sample ", with reference to YBT4197-2009 " self-flow refractory castable " test performance, performance index are as shown in the table, this fire-resistant gravity flow material known has early strong, high-strength, anti-burst characteristics, shorten demould time, can the advantage such as quick baking, and there is good resistance to elevated temperatures.
Claims (7)
1. one kind morning strong antiknock fire-resistant gravity flow material, it is characterized in that being made up of aggregate, powder, bonding agent, compound additive and detonation suppressor, by percentage to the quality, aggregate, powder, bonding agent sum are 100%, aggregate is alumine/flint clay, agalmatolite and silicon carbide, aggregate proportion is 50 ~ 55%, and wherein agalmatolite accounts for 0 ~ 10%, silicon carbide accounts for 0 ~ 8%, and surplus is alumine/flint clay; Powder is lapis amiridis, alumine powder, SiO
2micro mist, carborundum powder and alumina-based α-Al
2o
3micro mist, powder proportion is 35 ~ 44%, and wherein lapis amiridis accounts for 0 ~ 39%, alumine powder accounts for 0 ~ 39%, SiO
2micro mist accounts for 5 ~ 8%, carborundum powder accounts for 0 ~ 5%, alumina-based α-Al
2o
3micro mist accounts for 4 ~ 10%; Bonding agent is aluminate cement, and bonding agent proportion is 6 ~ 10%; Compound additive is the mixture of tripoly phosphate sodium STPP/Sodium hexametaphosphate 99 and polycarboxylate high performance water-reducing agent, compound additive account for aggregate, powder, bonding agent sum 0.15 ~ 0.25%; Detonation suppressor is explosion-proof fiber, detonation suppressor account for aggregate, powder, bonding agent sum 0.1 ~ 0.15%.
2. early strong antiknock fire-resistant gravity flow material as claimed in claim 1, is characterized in that aggregate is divided into three grades of granularities: coarse aggregate 5 ~ 3mm, middle aggregate 3 ~ 1mm and fine aggregate 1-0mm; Granularity≤the 0.088mm of powder.
3. early strong antiknock fire-resistant gravity flow material as claimed in claim 2, it is characterized in that: alumine/flint clay is divided into three grades of granularity: 5 ~ 3mm, 3 ~ 1mm and 1-0mm, agalmatolite granularity is 3 ~ 1mm, and carborundum granularity is 1-0mm; Alumina-based α-Al
2o
3powder size≤0.010mm, SiO
2powder size≤0.010mm.
4. early strong antiknock fire-resistant gravity flow material as claimed in claim 3, it is characterized in that: coarse aggregate accounts for 20 ~ 25%, middle aggregate accounts for 12 ~ 20%, and fine aggregate accounts for 15 ~ 18%.
5. early strong antiknock fire-resistant gravity flow material as claimed in claim 1, is characterized in that: Al in alumine
2o
3>=80wt%, Al in flint clay
2o
3>=44wt%, in agalmatolite: Al
2o
3>=18 ~ 20wt%, K
2o+Na
2o≤0.5 ~ 0.7wt%, Fe
2o
3≤ 0.8 ~ 1.0wt%; Al in alumine powder
2o
3>=80wt%, SiC>=94wt% in silicon carbide, alumina-based α-Al
2o
3al in micro mist
2o
3>=85wt%.
6. early strong antiknock fire-resistant gravity flow material as claimed in claim 1, is characterized in that: aluminate cement is at least one in CA50, CA60, CA70.
7. early strong antiknock fire-resistant gravity flow material as claimed in claim 1, is characterized in that: tripoly phosphate sodium STPP/Sodium hexametaphosphate 99 is 1:1 ~ 1:2 with the composite quality ratio of polycarboxylate high performance water-reducing agent.
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|---|---|---|---|
| CN201410489400.3A CN104193377B (en) | 2014-09-23 | 2014-09-23 | A kind of early strong antiknock fire-resistant gravity flow material |
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| CN104193377B true CN104193377B (en) | 2016-04-13 |
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| CN105198454B (en) * | 2015-09-09 | 2018-04-20 | 郑州瑞泰耐火科技有限公司 | A kind of low thermal conductivity heat-insulating brick and preparation method thereof |
| CN107285776A (en) * | 2017-06-15 | 2017-10-24 | 郑州瑞泰耐火科技有限公司 | Spheroidal graphite cast-iron sector pouring ladle fireproof coating and preparation method thereof |
| CN107445598B (en) * | 2017-08-07 | 2020-02-04 | 北京东峰兴达耐火材料有限公司 | Light plastic material |
| CN107434387B (en) * | 2017-08-07 | 2019-11-05 | 北京东峰兴达耐火材料有限公司 | Explosion-proof heat resistance concrete |
| CN114315387A (en) * | 2021-12-31 | 2022-04-12 | 偃师中岳耐火材料有限公司 | Long-life pyrophyllite silicon carbide carbon brick and preparation method thereof |
Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101585712A (en) * | 2009-06-06 | 2009-11-25 | 范圣良 | A kind of highly pure anti-burst castables composed |
| CN103011866A (en) * | 2012-12-28 | 2013-04-03 | 贵阳联合高温材料有限公司 | Microporous high-penetration-resistance high-aluminum casting material, and preparation method and application method thereof |
-
2014
- 2014-09-23 CN CN201410489400.3A patent/CN104193377B/en active Active
Patent Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101585712A (en) * | 2009-06-06 | 2009-11-25 | 范圣良 | A kind of highly pure anti-burst castables composed |
| CN103011866A (en) * | 2012-12-28 | 2013-04-03 | 贵阳联合高温材料有限公司 | Microporous high-penetration-resistance high-aluminum casting material, and preparation method and application method thereof |
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