CN100361921C - High-strength sintered brick and production method - Google Patents
High-strength sintered brick and production method Download PDFInfo
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- CN100361921C CN100361921C CNB2006100210471A CN200610021047A CN100361921C CN 100361921 C CN100361921 C CN 100361921C CN B2006100210471 A CNB2006100210471 A CN B2006100210471A CN 200610021047 A CN200610021047 A CN 200610021047A CN 100361921 C CN100361921 C CN 100361921C
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- blast furnace
- titanium slag
- slag
- furnace titanium
- brick
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02W—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO WASTEWATER TREATMENT OR WASTE MANAGEMENT
- Y02W30/00—Technologies for solid waste management
- Y02W30/50—Reuse, recycling or recovery technologies
- Y02W30/91—Use of waste materials as fillers for mortars or concrete
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Abstract
The present invention provides a high-strength clinker brick with low cost and good endurance. The high-strength clinker brick comprises the components by weight percentage: 30 to 80% of granulating blast furnace titanium slag, 15 to 30% of coal slack or coal slag, 0 to 20% of sandy soil, 0 to 42% of clay or shale and 0 to 15% of mineralizing agent, wherein the weight percentage content of TiO2 in the granulating blast furnace titanium slag is from 15 to 25%. The method for producing the high-strength clinker brick comprises the following steps: 1) drying and then screening mash gas mud, converter sludge, steel slag containing vanadium and the granulating blast furnace titanium slag; crushing the clay, the shale and the sandy soil; 2) weighing raw material, and putting the raw material into a mixing mill or a double-shaft mixer; 3) blanks are shaped by pressing or extruding with a semi-dry method to obtain a green brick; 4) firing the green brick in weakly reducing atmosphere or oxidizing atmosphere with the firing temperature of 1000 to 1100 DEG C. The high-strength clinker brick of the present invention has the characteristics of good endurance and low cost; the present invention utilizes 30 to 80% of granulating blast furnace titanium slag, and the purpose of utilizing a large amount of granulating blast furnace titanium slag is reached.
Description
Technical field
The present invention relates to a kind of material of construction and production method thereof, particularly relate to a kind of high-strength sintered brick and production method thereof.
Background technology
The ordinary blast slag is mainly as concrete admixture, slag cement compound etc. at present; and characteristics such as the granulation blast furnace titanium slag has that radioactivity is low, hydration activity is low, temperature of fusion is high and slag is short; make blast furnace slag can not be as the ordinary blast slag a large amount of cement, concrete of being used for, the granulation blast furnace titanium slag effectively utilizes problem to become a major issue.
The open source literature of the application of granulation blast furnace titanium slag in material of construction has: and Sun Xiwen etc. " development of high titanium type building brick slag brick " (novel wall material and construction 2003, No.3, p5-7); Zhou Zhilin etc. " experimental study that steel titanium ore slag is produced concrete hollow block is climbed in utilization " (Xinan Science and Technology Univ.'s journal) 2003, Vol (18) No.3, p43-46; Pan Baofeng etc. " preparation of titanium ore slag solid brick " (Sichuan building) 2003, Vol (23) No.5, p87-88; Dai Yatang etc. " exploitation of titanium ore slag microtexture and solid brick thereof " (Xinan Science and Technology Univ.'s journal) 2003, Vol (18) No.3, p39-42; The CN200510020330.8 name is called " high titanium blast furnace slag concrete adulterant and production method thereof "; CN02134080.3, name are called " blast furnace titanium slag compounded micro powder that is used for cement, concrete, mortar ".Above open source literature is the application of research granulation blast furnace titanium slag in non-burning brick, cement, concrete, mortar; what utilize in fact all is the hydration activity of blast furnace slag; there are problems such as the little and application quantity of volume is limited when wherein using; and the unburned solid brick that the granulation blast furnace titanium slag is made, hollow concrete building block are except that the problems referred to above; also exist problems such as product price height, poor durability, body of wall later stage cracking, seepage; therefore, the problem of complex utilization of granulation blast furnace titanium slag lacks effective way always.
Vitrified brick belongs to the wall body building material on large basis, and it is stable to have use properties, and therefore the characteristics of good endurance are the leading product in the materials for wall always, but owing to general employing clay, shale are raw material, waste a large amount of land resources.Utilizing instead of clay such as industrial solid castoff resource such as coal gangue, flyash, water treatment sludge, riverway sludge to produce high-strength sintered bricks is important development directions of material of construction in recent years.
Summary of the invention
Technical problem to be solved by this invention provides the high-strength sintered brick of the low and good endurance of a kind of cost, and this high-strength sintered brick can utilize the granulation blast furnace titanium slag in a large number.
The present invention also will provide a kind of production method of above-mentioned high-strength sintered brick.
The technical scheme that technical solution problem of the present invention is adopted is: high-strength sintered brick, and its weight percent consists of: granulation blast furnace titanium slag: 30～80%; Coal gangue or cinder: 15～30%; Sandy soil: 0～20%; Clay or shale 0～42%; Mineralizer: 0～15%, TiO in the described granulation blast furnace titanium slag
2Weight percent content be 15～25%.
Produce the method for above-mentioned high-strength sintered brick, may further comprise the steps:
1) will sieve after the airing of granulation blast furnace titanium slag,, will also sieve after the airing behind the mineralizer iron removal by magnetic separation if use mineralizer; If use clay or shale, with clay or shale fragmentation; If use sandy soil, with the sandy soil fragmentation; 2) with above-mentioned after treatment raw material and coal gangue or cinder according to the proportioning weighing after, enter mixing pan or biaxial rneader, require to add the water yield of regulation according to different moulding processs, treat that pug and moisture surface parcel evenly promptly gets blank; 3) blank is adopted semidrying compression moulding or extrusion moulding, obtain adobe; 4) adobe is burnt till in weakly reducing atmosphere or oxidizing atmosphere, firing temperature is controlled at 1000～1100 ℃, and the insulation back is with obtaining product behind the stove naturally cooling.
The invention has the beneficial effects as follows: high-strength sintered brick of the present invention has good endurance, characteristics that cost is low, has solved the problem of present granulation blast furnace titanium slag solid brick and holllow building block cost height, poor durability, later stage wall crazing; The present invention has utilized 30～80% granulation blast furnace titanium slag, has reached the purpose of utilizing the granulation blast furnace titanium slag in a large number; The present invention combines interior combustion technology and mineralising technology, has realized that the low temperature of vitrified brick burns till fast, and can adopt clay inferior to produce, and reduces product cost; Adopt Iron And Steel Industry production solid waste in the vitrified brick raw material of the present invention more than 80%, save land resources, solve the blast furnace slag problem of complex utilization, the protection environment.
Embodiment
It is in conjunction with phase mutually that granulation blast furnace titanium slag vitrified brick forms with the low melting point lime feldspar in sintering process; dystectic quartz, uhligite, Z 250 and corundum ore deposit are the ceramic structure of aggregate mutually, and it is that goods can obtain high-intensity key that the control of glassy phase relative content and uhligite are separated out with corundum secondary mutually.
The present invention is with granulation blast furnace titanium slag (TiO wherein
2Weight percent content be 15～25%), v-bearing steel slag, converter mud, gas mud, coal gangue, cinder, clay, shale, sandy soil be raw material, wherein, clay, shale, sandy soil are that A/S is than correcting material, v-bearing steel slag, converter mud, gas mud are mineralizer, adopt half-dried moulding process or extruding-out process brickmaking, the gained adobe is burnt till in annular kiln or tunnel furnace.
Weight percent of the present invention consists of: granulation blast furnace titanium slag: 30～80%; Coal gangue or cinder: 15～30%; Sandy soil: 0～20%; Clay or shale 0～42%; Mineralizer: 0～15%.
The concrete steps of production method of the present invention are:
1) will sieve after the gas mud behind the iron removal by magnetic separation, converter mud, v-bearing steel slag and the airing of granulation blast furnace titanium slag; With clay, shale and sandy soil fragmentation.
Moisture is preferably less than 5% after the above-mentioned airing, and sieves with 2mm.Above-mentioned clay, shale and sandy soil preferably are broken into below the 3mm.
2) raw material according to the proportioning weighing after, enter mixing pan or biaxial rneader, require to add the water yield of regulation according to different moulding processs, treat that pug and moisture surface parcel evenly promptly gets blank.
3) blank is adopted semidrying compression moulding or extrusion moulding, obtain adobe.
Wherein semidrying compression moulding is: blank is put into impact briquetting on the inherent brick press of punching block, with adobe direct code base, directly burn till in tunnel furnace or annular kiln then; Extrusion moulding is that the adobe of will extrude is placed on the pallet, carries out quadratic code after the drying and burns.
4) adobe is burnt till in weakly reducing atmosphere or oxidizing atmosphere, firing temperature is controlled at 1000～1100 ℃, and the insulation back is with obtaining product behind the stove naturally cooling.
The time of above-mentioned insulation is preferably 5 hours.
Granulation blast furnace titanium slag of the present invention preferably adopts shrend granulation blast furnace titanium slag.
Clay of the present invention can adopt clay inferior, has so just reduced the cost of product.
Embodiment 1:
Weight percent consists of: granulation blast furnace titanium slag 40% (TiO wherein
2Weight percent content be 22%), coal gangue 20%, shale 10%, sandy soil 20%, v-bearing steel slag 10%.
The main production parameter: pug water content 12%, semidrying compression moulding is burnt till in weakly reducing atmosphere, and firing temperature is 1050 ℃, and high temperature is incubated 5 hours down, with the stove naturally cooling.
Product pattern and performance: the surface is fine and smooth, and color is yellowish.Compressive strength: 29.3Mpa, the line velocity of variation: 0.8%, water-intake rate (boiling in 5 hours): 18%, saturation factor: 0.79.
Embodiment 2:
Weight percent consists of: shrend granulation blast furnace titanium slag 30% (TiO wherein
2Weight percent content be 25%), coal gangue 30%, shale 15%, sandy soil 10%, v-bearing steel slag 10%, gas mud 5%.
The main production parameter: pug water content 12%, semidrying compression moulding is burnt till in weakly reducing atmosphere, and firing temperature is 1100 ℃, and high temperature is incubated 5 hours down, with the stove naturally cooling.
Product pattern and performance: the surface is fine and smooth, and color is yellowish.Compressive strength: 34.0Mpa, the line velocity of variation :-0.07%, water-intake rate (boiling in 5 hours): 17%, saturation factor: 0.74.
Embodiment 3:
Weight percent consists of: granulation blast furnace titanium slag 60% (TiO wherein
2Weight percent content be 17%), coal gangue 20%, shale 10%, v-bearing steel slag 6%, converter mud 4%.
The main production parameter: pug water content 20%, extrusion moulding, extrusion pressure is 1.0Mpa.Burn till in weakly reducing atmosphere, firing temperature is 1000 ℃, and high temperature is incubated 5 hours down, with the stove naturally cooling.
Product pattern and performance: structured size, the surface is fine and smooth, the color sallow.Compressive strength: 16.9Mpa, the line velocity of variation :-0.92%, water-intake rate (boiling in 5 hours): 19.8%, saturation factor: 0.76.
Embodiment 4:
Weight percent consists of: granulation blast furnace titanium slag 80% (TiO wherein
2Weight percent content be 23%), cinder 15%, clay 5%.
Main production parameter: pug water content 13%, semidrying compression moulding.Burn till in weakly reducing atmosphere, firing temperature is 1100 ℃, and high temperature is incubated 5 hours down, with the stove naturally cooling.
Product pattern and performance: structured size, the surface is fine and smooth, and color is pale brown.Compressive strength: 19.9Mpa, the line velocity of variation :-0.24%, water-intake rate (boiling in 5 hours): 18.5%, saturation factor: 0.76.
Embodiment 5:
Weight percent consists of: granulation blast furnace titanium slag 42% (TiO wherein
2Weight percent content be 20%), shale 42%, cinder 16%.
Main production parameter: pug water content 20%, extrusion moulding, extrusion pressure 1.0Mpa.Burn till in oxidizing atmosphere, firing temperature is 1050 ℃, and high temperature is incubated 5 hours down, with the stove naturally cooling.
Product pattern and performance: structured size, the surface is fine and smooth, the color brick red.Compressive strength: 33.5Mpa, the line velocity of variation :-0.42%, water-intake rate (boiling in 5 hours): 19.8%, saturation factor: 0.88.
Embodiment 6:
Weight percent consists of: granulation blast furnace titanium slag 42% (TiO wherein
2Weight percent content be 19%), shale 42%, coal gangue 16%.
Main production parameter: pug water content 20%, extrusion moulding, extrusion pressure 1.0Mpa.Burn till in oxidizing atmosphere, firing temperature is 1050 ℃, and high temperature is incubated 5 hours down, with the stove naturally cooling.
Product pattern and performance: structured size, the surface is fine and smooth, the color brick red.Compressive strength: 28.6Mpa, the line velocity of variation :-0.42%, water-intake rate (boiling in 5 hours): 19.0%, saturation factor: 0.88.
Embodiment 7:
Weight percent consists of: shrend granulation blast furnace titanium slag 42% (TiO wherein
2Weight percent content be 15%), shale 32%, cinder 16%, v-bearing steel slag 10%.
Main production parameter: pug water content 20%, extrusion moulding, extrusion pressure 1.0Mpa.Burn till in oxidizing atmosphere, firing temperature is 1000 ℃, and high temperature is incubated 5 hours down, with the stove naturally cooling.
Product pattern and performance: structured size, the surface is fine and smooth, the color brick red.Compressive strength: 29.4Mpa, the line velocity of variation :-0.12%, water-intake rate (boiling in 5 hours): 16.8%, saturation factor: 0.84.
From the foregoing description as can be seen: the compressive strength 16.9～34Mpa of product of the present invention, less than 20%, saturation factor is less than or equal to 0.88 to water-intake rate (boiling in 5 hours), has the advantage of good endurance.
Claims (7)
1. high-strength sintered brick is characterized in that, its weight percent consists of: granulation blast furnace titanium slag: 30～80%; Coal gangue or cinder: 15～30%; Sandy soil: 0～20%; Clay or shale 0～42%; Mineralizer: 0～15%, TiO in the described granulation blast furnace titanium slag
2Weight percent content be 15～25%.
2. high-strength sintered brick as claimed in claim 1 is characterized in that, described granulation blast furnace titanium slag is a shrend granulation blast furnace titanium slag.
3. high-strength sintered brick as claimed in claim 1 is characterized in that, described mineralizer is one or more in v-bearing steel slag, converter mud and the gas mud.
4. the method for the described high-strength sintered brick of production claim 1 may further comprise the steps:
1) will sieve after the airing of granulation blast furnace titanium slag,, will also sieve after the airing behind the mineralizer iron removal by magnetic separation if use mineralizer; If use clay or shale, with clay or shale fragmentation; If use sandy soil, with the sandy soil fragmentation;
2) with above-mentioned after treatment raw material and coal gangue or cinder according to the proportioning weighing after, enter mixing pan or biaxial rneader, require to add the water yield of regulation according to different moulding processs, treat that pug and moisture surface parcel evenly promptly gets blank;
3) blank is adopted semidrying compression moulding or extrusion moulding, obtain adobe;
4) adobe is burnt till in weakly reducing atmosphere or oxidizing atmosphere, firing temperature is controlled at 1000～1100 ℃, and the insulation back is with obtaining product behind the stove naturally cooling.
5. the production method of high-strength sintered brick as claimed in claim 4 is characterized in that, moisture is less than 5% after the described airing of step 1, and described screening adopts the 2mm sieve to carry out.
6. the production method of high-strength sintered brick as claimed in claim 4 is characterized in that, described being broken for of step 1 is broken into below the 3mm.
7. the production method of high-strength sintered brick as claimed in claim 4 is characterized in that, the time of the described insulation of step 4 is 5 hours.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
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| CNB2006100210471A CN100361921C (en) | 2006-05-30 | 2006-05-30 | High-strength sintered brick and production method |
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| CNB2006100210471A CN100361921C (en) | 2006-05-30 | 2006-05-30 | High-strength sintered brick and production method |
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| CN1850698A CN1850698A (en) | 2006-10-25 |
| CN100361921C true CN100361921C (en) | 2008-01-16 |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108947486A (en) * | 2018-08-28 | 2018-12-07 | 攀枝花市恒岩钛洁新材料科技有限公司 | The method for preparing photocatalysis porous brick using high-titanium blast furnace slag |
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| CN101871254B (en) * | 2009-04-27 | 2012-10-03 | 佘季秋 | Siliceous shale stoneware glazed tile and production method thereof |
| CN102249569A (en) * | 2011-07-07 | 2011-11-23 | 王永伯 | Method for improving activity of titanium-containing blast furnace slag |
| CN102491724B (en) * | 2011-11-11 | 2013-04-03 | 上海鑫晶山建材开发有限公司 | Iron ore slag sintered brick and a preparation technology of same |
| CN102758091B (en) * | 2012-07-18 | 2014-01-01 | 中国瑞林工程技术有限公司 | Treatment method for electroplating sludge |
| CN103693942B (en) * | 2013-11-27 | 2015-09-16 | 广东家美陶瓷有限公司 | Low temperature and fast firing ceramic tile and production technique |
| CN104370568B (en) * | 2014-10-27 | 2016-03-16 | 沈阳建筑大学 | Water-permeable and air permeable purifies air the production technique of pavior brick |
| CN106220219A (en) * | 2016-07-27 | 2016-12-14 | 北京大学 | With environment friendly pervious brick that blast furnace slag and mud are prepared for major ingredient and preparation method thereof |
| CN109081681A (en) * | 2018-08-27 | 2018-12-25 | 攀钢集团攀枝花钢铁研究院有限公司 | A kind of fired brick and preparation method thereof |
| CN110041065A (en) * | 2019-03-11 | 2019-07-23 | 江苏华友装饰工程有限公司 | A kind of light-weight brick and preparation method thereof |
| CN110550937A (en) * | 2019-09-18 | 2019-12-10 | 上海宝田新型建材有限公司 | Method for producing ceramic blank by using blast furnace slag powder |
| CN115925387A (en) * | 2022-10-29 | 2023-04-07 | 宜宾天原科创设计有限公司 | Method for making bricks by using titanium dioxide neutralized slag |
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| CN1246454A (en) * | 1998-09-02 | 2000-03-08 | 东北大学钎具开发研究中心 | Process for preparing decorative devitrified glass tile and its products |
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Patent Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1246454A (en) * | 1998-09-02 | 2000-03-08 | 东北大学钎具开发研究中心 | Process for preparing decorative devitrified glass tile and its products |
Non-Patent Citations (2)
| Title |
|---|
| 新型钛矿渣的生产工艺研究. 潘宝风.磷酸设计与粉体工程，第6期. 2003 * |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108947486A (en) * | 2018-08-28 | 2018-12-07 | 攀枝花市恒岩钛洁新材料科技有限公司 | The method for preparing photocatalysis porous brick using high-titanium blast furnace slag |
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| CN1850698A (en) | 2006-10-25 |
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