CN1025955C - Nucleated glass building fancy face plate made by waste chromium slag - Google Patents
Nucleated glass building fancy face plate made by waste chromium slag Download PDFInfo
- Publication number
- CN1025955C CN1025955C CN 90106159 CN90106159A CN1025955C CN 1025955 C CN1025955 C CN 1025955C CN 90106159 CN90106159 CN 90106159 CN 90106159 A CN90106159 A CN 90106159A CN 1025955 C CN1025955 C CN 1025955C
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- CN
- China
- Prior art keywords
- chromium slag
- decretive
- face plate
- panel
- building
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired - Fee Related
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Classifications
-
- C—CHEMISTRY; METALLURGY
- C03—GLASS; MINERAL OR SLAG WOOL
- C03C—CHEMICAL COMPOSITION OF GLASSES, GLAZES OR VITREOUS ENAMELS; SURFACE TREATMENT OF GLASS; SURFACE TREATMENT OF FIBRES OR FILAMENTS MADE FROM GLASS, MINERALS OR SLAGS; JOINING GLASS TO GLASS OR OTHER MATERIALS
- C03C10/00—Devitrified glass ceramics, i.e. glass ceramics having a crystalline phase dispersed in a glassy phase and constituting at least 50% by weight of the total composition
- C03C10/0063—Devitrified glass ceramics, i.e. glass ceramics having a crystalline phase dispersed in a glassy phase and constituting at least 50% by weight of the total composition containing waste materials, e.g. slags
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- Chemical & Material Sciences (AREA)
- Engineering & Computer Science (AREA)
- Ceramic Engineering (AREA)
- Crystallography & Structural Chemistry (AREA)
- Dispersion Chemistry (AREA)
- Life Sciences & Earth Sciences (AREA)
- Chemical Kinetics & Catalysis (AREA)
- General Chemical & Material Sciences (AREA)
- Geochemistry & Mineralogy (AREA)
- Materials Engineering (AREA)
- Organic Chemistry (AREA)
- Glass Compositions (AREA)
Abstract
The present invention relates to a nucleated glass building decretive panel made from waste chromium slag, which belongs to the technical field of building materials. The decretive panel of the present invention is mainly made from chromium slag (waste slag discharged from chromate production in chemical plants). Because a large amount of industrial waste chromium slag severely disserving environment is consumed, the present invention realizes environmental treatment and has obvious social benefit. The cost of the decretive panel is low, and the performance is superior to that of natural marble and is similar to the performance of natural granite. The decretive panel has the advantages of obvious economic benefit, favorable physical mechanics performance, high brightness of the polished surface, beautiful appearance and luxurious texture, and is high-grade building decretive materials.
Description
The invention belongs to building material technical field.
In the prior art, a lot of to the relevant document of " cinder microcrystalline glass " and " artificial marble ", it is as follows now to exemplify two parts of files:
1. utilize the method-Japanese Patent of blast-furnace slag manufacturing devitrified glass clear with～15508.
2. the research of artificial marble-Guangdong building materials design scientific research institution.In July, 1986 is compiled at " artificial marble practical technique data compilation " building materials Scientific And Technical Intelligence Center station, Fujian Province.
Realize purpose of the present invention:
1. the useless chromium slag that mass consumption toxicity is very big and help environmental improvement.
2. the building fancy face plate that has the devitrified glass matter of excellent physical mechanical property and good decorative effect with lower cost manufacturing is decorated to replace exploitation difficulty, expensive natural marble and granite to make top-grade building.Thereby obtain remarkable economic efficiency.
The present invention introduces to utilize the manufacture method of chromium slag for the main material production nucleated glass building fancy face plate.Its compositing range following (weight %):
SiO
2CaO MgO Al
2O
3
40～55 17～25 10～15 5～10
Fe
2O
3Na
2O+K
2O Cr
2O
3CaF
2
4～6 1～10 2～4 1.5～4
Admixtion is: chromium slag (45～55) %, and quartz sand (40～50) %, fluorite (3～6) % mixes (3～6) % charcoal or coke outward and makes reductive agent.
Technical process is as shown below: (seeing the literary composition back)
Now describe in detail with embodiment:
Embodiment 1: use the useless chromium slag in east wind chemical plant, Chongqing, its chemical constitution (weight %) is:
SiO
2CaO MgO Al
2O
3
10.30 37.20 25.00 10.10
Fe
2O
3Na
2O+K
2O Cr
2O
3
8.40 3.20 4.50
Admixtion: chromium slag 55%, quartz sand 42%, fluorite 3%, charcoal 3%(mixes outward)
The admixtion chemical constitution is (weight %):
SiO
2CaO MgO Al
2O
3
47.33 20.24 13.75 5.56
Fe
2O
3Na
2O+K
2O Cr
2O
3CaF
2
4.62 1.76 2.48 2.30
Admixtion adds water 15% and mixed in mixing machine 5 minutes, enters in the cell furnace through full and uniform blended admixtion, founds 8 hours under 1500 ℃ and reducing atmosphere, obtains clarifying glass metal and hexavalent chromium is reduced to chromium at a low price.Manually choosing material, to put into sky be 400 * 400 * 10 mould, and with the compression moulding of 5 tons of Pneumatic pressure shapers, mold bottom is carved with reticulation, and sprinkles one deck coarse sand before charging, makes the coarse and raising cohesive strength in the sheet material back side.Treating that sheet material is after the garnet is the demoulding and sends in the roller kiln immediately and heat-treat that sheet material from kiln hood to the thermal history that kiln tail kiln discharge is experienced is:
Nucleation was carried out in 720 ℃ of temperature section insulations in 1.5 hours; Be warming up to 900 ℃ of section insulations with 4 ℃/minute speed and carried out crystallization in 0.5 hour; Be cooled to 560 ℃ of section insulations with 2 ℃/minute speed annealed in 2 hours; Being cooled to 80 ℃ with 2 ℃/minute speed then comes out of the stove.
Roughly grind and fine grinding with silicon carbide, silicon carbide abrasive after coming out of the stove, on the mill of wool felt veneer, polish, press the desired size cutting at last with the corundum polishing powder.Gained devitrified glass facing foliation voltinism can (compare with typical products such as natural marble, granite and artificial resin type marbles) shown in subordinate list.
Autofrettage of the present invention has the following advantages:
1. greatly being conducive to environment because the chromium slag is given up in a large amount of consumption controls.
2. owing to can freely obtain the chromium slag, the goods of production are very cheap, and price only is equivalent to 1/3～1/2 of natural granite.
3. the physical and mechanical property of goods and corrosion resistance all are better than natural marble, granite and artificial resin type marble. Can satisfy the performance requirement of building facing material.
4. because translucence and high gloss have exquisite outward appearance, it is ornamental can compare U.S. with famous and precious black natural granite.
Realize best way of the present invention:
1. realization production scale of the present invention was advisable with 3～50,000 square meter/years.
2. the crystallization annealing kiln is better with roller kilns, the resistant to elevated temperatures carborundum flat board of energy is set as the goods supporting plate on the roller-way.
3. polishing equipment disc grinder.
4. environmental practice: should seal Raw material processing and conveying equipment, the airborne dust point arranges dust-precipitator as far as possible. All the other are narrated in summary of the invention, no longer repeat.
Claims (1)
- A kind of manufacture method of nucleated glass building fancy face plate, it is characterized in that with useless chromium slag be main raw material, admixture quartz sand and fluorite etc., through mix, found, operation such as moulding, thermal treatment and polishing makes the building fancy face plate with devitrified glass material, its compositing range (weight %):SiO 2CaO MgO Al 2O 340～55?17～25?10～15?5～10Fe 2O 3Na 2O+K 2O Cr 2O 3CaF 24～6 1～10 2～4 1.5～4Admixtion (weight %): chromium slag (45～55) %, quartz sand (40～50) %, fluorite (3～6) %, mix the big charcoal of (3～6) % outward and make reductive agent;Glass melting temperature is 1500 ℃, keeps reducing atmosphere in the stove, and hexavalent chromium thoroughly is reduced into chromium at a low price;The one side of sheet material is pressed into reticulation during moulding, and makes it to enclose one deck coarse sand;Heat treating regime: nucleation stage was carried out in 700～750 ℃ of insulations in 1～1.5 hour; Be warming up to 850～920 ℃ with 3～4 ℃/minute speed, be incubated 0.5～1 hour and carry out crystallisation stage; Be cooled to 550～600 ℃ with 2 ℃/minute speed, be incubated 1.5～2 hours and anneal; Be cooled to 80 ℃ with 2 ℃/minute speed and come out of the stove,Come out of the stove after polish the nucleated glass building fancy face plate that promptly obtains utilizing useless chromium slag manufacturing.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 90106159 CN1025955C (en) | 1990-10-19 | 1990-10-19 | Nucleated glass building fancy face plate made by waste chromium slag |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 90106159 CN1025955C (en) | 1990-10-19 | 1990-10-19 | Nucleated glass building fancy face plate made by waste chromium slag |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN1060642A CN1060642A (en) | 1992-04-29 |
| CN1025955C true CN1025955C (en) | 1994-09-21 |
Family
ID=4879856
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 90106159 Expired - Fee Related CN1025955C (en) | 1990-10-19 | 1990-10-19 | Nucleated glass building fancy face plate made by waste chromium slag |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN1025955C (en) |
Families Citing this family (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN100383072C (en) * | 2004-08-12 | 2008-04-23 | 李章大 | Microcrystalline glass produced from molybdenum containing gangue and its method |
| CN101905950A (en) * | 2010-07-22 | 2010-12-08 | 刘阳生 | Novel chromium slag innocent treatment method |
| CN102795772B (en) * | 2012-07-23 | 2014-09-24 | 北京大有盛和科技有限公司 | Method for preparing microcrystalline glass from kaolin-type coal gangue or fly ash and carbide slag |
| CN102942303B (en) * | 2012-10-29 | 2015-11-18 | 中国科学院过程工程研究所 | A kind of utilize granite waste material to prepare high-strength wearable engineering devitrified glass and preparation method |
| CN104445944B (en) * | 2014-12-16 | 2017-07-18 | 北京科技大学 | A kind of method that dangerous solid waste prepares devitrified glass |
| CN105399331B (en) * | 2015-10-27 | 2018-06-29 | 广东省生态环境与土壤研究所（广东省土壤科学博物馆） | A kind of glass ceramics method for the dual fixed removing toxic substances of chromium in chromium slag |
| CN105924013B (en) * | 2016-04-25 | 2019-04-02 | 四川一名微晶科技股份有限公司 | It is raw material using the devitrified glass and production method of the production of all-electric melting calendering technology using ferrochrome waste residue |
| CN107140838B (en) * | 2017-06-02 | 2020-10-27 | 昆明理工大学 | Method for co-processing yellow phosphorus slag and chromium slag |
-
1990
- 1990-10-19 CN CN 90106159 patent/CN1025955C/en not_active Expired - Fee Related
Also Published As
| Publication number | Publication date |
|---|---|
| CN1060642A (en) | 1992-04-29 |
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| CF01 | Termination of patent right due to non-payment of annual fee |