CN101643316B - Method for producing U-shaped glass by taking waste glass as raw material - Google Patents
Method for producing U-shaped glass by taking waste glass as raw material Download PDFInfo
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- CN101643316B CN101643316B CN200910094932A CN200910094932A CN101643316B CN 101643316 B CN101643316 B CN 101643316B CN 200910094932 A CN200910094932 A CN 200910094932A CN 200910094932 A CN200910094932 A CN 200910094932A CN 101643316 B CN101643316 B CN 101643316B
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Abstract
The invention provides a building U-shaped glass produced by taking waste glass as raw material, which is characterized by comprising chemical components with the mass ratio: 71.50-72% of SiO2, 1.20-1.30% of Al2O3, 0.15-0.20% of Fe2O3, 8.50-11.20% of CaO, 2.50-3.50% of MgO and 14.00-16.50% of Na2O. The doping quantity of the waste glass can be greatly increased and even approaches to 100%, so that the waste glass which is the industrial waste can be fully utilized, and the problems of environmental stress caused by the waste glass, land resource occupation and the like are fundamentally solved; meanwhile, as the using quantity of the waste glass is increased, the cost of raw materials of the production enterprises can be reduced, and smelting energy consumption is lowered; furthermore, the melting point of the waste glass is far lower than that of quartz sand, so that considerable economic and social benefits are brought to the production enterprises and the society. Therefore, the building U-shaped glass can ensure the glass shaping property, is beneficial to improving the finished product ratio and reducing the rejection rate, improves the quality of products, and protects the environment.
Description
Technical field
The present invention relates to a kind of working method of architectural shape glass, especially a kind of is the method for raw material production U type glass with the discarded glass, belongs to field of glass production technology.
Technical background
China has more than 1,200 ten thousand tons of waste and old glass cullet not obtain science, high-end reconstituted product utilization every year.And the major part of waste and old glass cullet is a low side poor quality raw product again, confuses as solid waste usually in all kinds of rubbish, to be dropped or buried, not only causes serious environmental to pollute, and has also wasted valuable glass resource.
Existing glass like sheet glass, domestic glass, ambetti, electronic glass, vehicle glass etc., is numerous in variety, and style is numerous and diverse.But any glass all be unable to do without the most basic process of glass; That is to say all necessary process batching of any glass in the world, is admixtion with various raw materials mix, and dropping into melting furnaces is glass metal through the above high temperature melting of 1460C; Again through clarification row bubble; Be cooled to the required temperature of moulding gradually, moulding and annealing then promptly gets glassy product.But in the existing glass producing and manufacturing technique, the utilization ratio of waste and old glass cullet is all very low.In order to practice thrift the limited natural resource, comprehensive utilization of resources is all advocated in countries in the world, and China is no exception, same advocate " recycling economy promotion law ".Waste and old glass cullet then are best recycling economy products, utilize waste and old broken broken glass to produce architectural shape in a large number, and also can say so one turns waste into wealth, and reduces the important channel of enterprise cost.
At present, for saving the energy, all need in the raw material (being raw material) of glass production, allocate a certain amount of glass cullet (also claiming grog) into usually.But, thereby reduce the glassy product quality because the adding of glass cullet can cause material property embrittlement, even produces great amount of bubbles; The existing glass cullet amount of allocating into makes its strength reduction, even directly can't produce, so can only account for 15～25% of total raw material quality because of the processability extreme difference; Otherwise will cause that glass structure changes, and such amount of allocating into far is difficult to satisfy energy-saving and cost-reducing requirement, making a large amount of glass cullet is main with air storage still; Both take valuable land resources, and caused serious environmental to pollute again, therefore; Be necessary fully prior art is improved, developing and developing neither influences quality product, can maximally utilise this waste resource of glass cullet again; Making it turns waste into wealth, and alleviates the environmental stress of society, for enterprise also is that society creates higher, better benefit.
Summary of the invention
The object of the present invention is to provide a kind of building U type glass.
It is the method for raw material production building U type glass with the discarded glass that another object of the present invention is to provide a kind of.
First purpose of the present invention realizes through following technical proposal: a kind of building U type glass is characterized in that being made up of the chemical ingredients of following mass ratio:
SiO
2 71.50～72％
Al
2O
3 1.20～1.30％
Fe
2o
3 0.15～0.20％
CaO 8.50～11.20％
MgO 2.50～3.50％
Na
2O 14.00～16.50％。
Second purpose of the present invention realizes through following technical proposal: a kind of is the method for raw material production building U type glass with the discarded glass, comprise feed intake, melt, clarification, moulding, annealing process step, before it is characterized in that feeding intake by following mass ratio batching:
Silica sand 0～40%
Soda ash 0～13%
Feldspar 0～4%
Wingdale 0～4%
Rhombspar 1～8%
Sodium sulfate 0.4～4%
Discarded glass 30～95%.
Said silica sand, soda ash, feldspar, Wingdale, rhombspar, sodium sulfate are commercial raw mineral materials and Chemicals.
Said discarded glass is anticipated through following technology: (1) carries out discarded glass to sieve after the fragmentation; (2) after the discarded glass after will sieving sorted removal of impurities, water cleaned.
Building U type glass according to the invention prepares through following method:
A, by following mass ratio batching:
Silica sand 0～40%
Soda ash 0～13%
Feldspar 0～4%
Wingdale 0～4%
Rhombspar 1～8%
Sodium sulfate 0.4～4%
Discarded glass 30～95%
Above-mentioned silica sand, soda ash, feldspar, Wingdale, rhombspar are mixed into a expects subsequent use;
It is subsequent use that above-mentioned sodium sulfate and discarded glass are mixed into the b material;
In B, the raw material input smelting furnace, after carrying out melting, clarification, homogenizing under 1400～1500 ℃ of temperature, introduce on the glass shaper, be suppressed into the glass band, become U type glass band through the drawing flanging again the A step;
C, B step forming U type glass band is sent into annealing furnace; Speed with 3.8 meters/minute; Under 570 ℃, 560 ℃, 550 ℃, 540 ℃, 530 ℃ temperature condition, carry out gradient cooling successively; Be cooled to 120 ℃ afterwards and go out annealing furnace, be cooled to 45 ℃ with high wind afterwards, and cut-out promptly gets architectural shape---U type glassy product as required.
Technological difficulties to be solved by this invention are: how ensureing that glassy product can be because of the adding of waste and old glass cullet, and causing material property embrittlement, even producing great amount of bubbles; Thereby influence glass ware forming, reduce under the prerequisite of glass quality, improve the glass cullet incorporation as far as possible; And composition of raw materials provided by the invention neither can cause material property embrittlement; Also can not produce great amount of bubbles, and processability is good, for production high quality glass product provides reliable guarantee.
The present invention compared with prior art has advantage and effect: adopts such scheme, can improve the discarded glass incorporation largely, even can be near 100%; This trade waste of discarded glass is fully utilized, has fundamentally solved problems such as environmental stress that discarded glass brought and land occupation resource, simultaneously the increase of discarded glass consumption; Also can reduce the raw materials cost of manufacturing enterprise, reduce the melting energy consumption, because of the fusing point of discarded glass fusing point far below silica sand; Thereby be manufacturing enterprise and social considerable economic benefit and social benefit; The present invention can ensure the glass ware forming performance, helps improving yield rate, the rate of reducing the number of rejects and seconds; Improve the quality of products the protection environment.
Architectural shape U type glass provided by the invention is a kind of printing opacity and the novel wall material do not had an X-rayed mainly is to be used in the production of architectural shape glass.Through production practice for many years and theoretical investigation; Develop to be the method for main material production U type glass with waste and old glass cullet fully; It has not only realized resource regeneration, and " the U type glass for building " of the complete National standard of producing of architectural shape glass.Thoroughly solved the pollution problem of cullet to environment.Section bar glass has the characteristic of self in addition; Can not apply mechanically conventional process method and composition of raw materials; The product of in said composition of raw materials scope, producing but use method of the present invention the discarded glass of different ratios compared test and product composition chemical examination, drawn optimum feed stock formula range and best product chemical ingredients scope, as long as can both satisfy product chemistry composition range; And quality product is up to standard fully, and this is the innovation place of present patent application just.
The composition of raw materials that the present invention provides can be applicable on the method for various production glass and goods thereof of prior art, as above daraf(reciprocal of farad), glass tube down-drawing, horizontal sheet process, rolling process and float glass process etc.Realized the regenerated using of the discarded glass body of different ratios.Through predesigne: per 1 ton of discarded glass can obtain 50 square metres of U type glass, and there are 1,200 ten thousand tons of discarded glass in the whole nation every year, can obtain 600,000,000 square metres U type glassy product after all utilizing.
Embodiment
Through embodiment the present invention is done below and further describe.
Embodiment 1
A, the discarded glass of purchase is carried out following anticipating: (1) is adopted conventional disintegrating machine that discarded glass is carried out fragmentation and is sieved; (2) sort out foreign material in the discarded glass after the screening after, water cleans up, and is subsequent use;
B, in the 500Kg raw material, by following mass parts batching:
Silica sand 199.18kg
Soda ash 63.71kg
Feldspar 19.41kg
Wingdale 19.78kg
Rhombspar 43.91kg
Sodium sulfate 4.01kg
Discarded glass 150kg
Above-mentioned silica sand, soda ash, feldspar, Wingdale, rhombspar are mixed into a expects subsequent use;
It is subsequent use that above-mentioned sodium sulfate and discarded glass are mixed into the b material;
C, the raw material of B step is dropped in the glass-melting furnace of prior art; Press common process control condition, under 1428 ℃ of temperature, glass is introduced on the U type glass shaper of prior art through operations such as melting, clarification, homogenizing, leader; Be pressed into the glass band, become U type glass band through the drawing flanging again;
D, C step forming U type glass band is sent in the conventional annealing kiln of prior art; With 3.8 meters/minute transfer rate, under 570 ℃, 560 ℃, 550 ℃, 540 ℃, 530 ℃ temperature condition, carry out gradient cooling successively, be cooled to 120 ℃ and go out annealing furnace; Be cooled to 45 ℃ with high wind afterwards; And, promptly getting architectural shape by 5 meters requirements cut-outs---U type glassy product, its product Chemical Composition is following: SiO
2: 71.69%, Al
2O
3: 1.20%, Fe
2o
3: 0.17%, CaO:9.08%, MgO:3.20%, Na
2O:14.68%.
Table 1 has provided the composition of raw materials of embodiment 2-8, and table 2 has provided the corresponding U type glassy product Chemical Composition of embodiment 2-8, and preparation technology is with embodiment 1.
Table 1
| Sequence number | Discarded glass (Kg) | Silica sand (Kg) | Feldspar (Kg) | Wingdale (Kg) | Rhombspar (Kg) | Soda ash (Kg) | Sodium sulfate (Kg) |
| 2 | 200(40％) | 170.72 | 16.64 | 16.95 | 37.63 | 54.62 | 3.44 |
| 3 | 250(50％) | 142.27 | 13.86 | 14.14 | 31.36 | 45.51 | 2.86 |
| 4 | 300(60％) | 113.82 | 11.09 | 11.30 | 25.09 | 36.41 | 2.29 |
| 5 | 350(70％) | 85.36 | 0 | 8.48 | 18.82 | 27.31 | 10.03 |
| 6 | 400(80％) | 56.92 | 5.50 | 0 | 12.50 | 18.21 | 6.87 |
| 7 | 450(90％) | 28.46 | 0 | 2.82 | 6.27 | 0 | 12.45 |
| 8 | 475(95％) | 0 | 0 | 0 | 6.50 | 0 | 18.50 |
Table 2
| Sequence number | The discarded glass ratio | SiO 2 | Al 2O 3 | Fe 2O 3 | CaO | MgO | Na 2O |
| 2 | 40％ | 71.87 | 1.28 | 0.17 | 9.54 | 3.10 | 15.12 |
| 3 | 50％ | 71.87 | 1.28 | 0.18 | 9.81 | 3.00 | 15.29 |
| 4 | 60％ | 71.86 | 1.28 | 0.18 | 10.07 | 2.90 | 15.44 |
| 5 | 70％ | 71.85 | 1.27 | 0.19 | 10.32 | 2.80 | 15.60 |
| 6 | 80％ | 71.84 | 1.27 | 0.19 | 10.59 | 2.70 | 15.76 |
| 7 | 90％ | 71.84 | 1.26 | 0.20 | 10.84 | 2.60 | 15.91 |
| 8 | 95％ | 71.83 | 1.26 | 0.20 | 11.11 | 2.50 | 16.07 |
Claims (2)
1. one kind is the method for raw material production building U type glass with the discarded glass, comprise feed intake, melt, clarification, moulding, annealing process step, it is characterized in that specifically passing through following process steps:
A, by following mass ratio batching:
Above-mentioned silica sand, soda ash, feldspar, Wingdale, rhombspar are mixed into a expects subsequent use;
It is subsequent use that above-mentioned sodium sulfate and discarded glass are mixed into the b material;
In B, the raw material input smelting furnace, after carrying out melting, clarification, homogenizing under 1400～1500 ℃ of temperature, introduce on the glass shaper, be suppressed into strip, become U type glass through the drawing flanging again the A step;
C, B step forming U type glass is sent into annealing furnace; Speed with 3.8 meters/minute; Under 570 ℃, 560 ℃, 550 ℃, 540 ℃, 530 ℃ temperature condition, carry out gradient cooling successively, be cooled to 120 ℃ afterwards and go out annealing furnace, be cooled to 45 ℃ with high wind afterwards; And cut off as required, promptly get the building U type glassy product of forming by the chemical ingredients of following mass ratio:
2. as claimed in claim 1 is the method for raw material production building U type glass with the discarded glass, and it is characterized in that said discarded glass anticipates through following technology: (1) carries out discarded glass to sieve after fragmentation; (2) after the discarded glass after will sieving sorted removal of impurities, water cleaned.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN200910094932A CN101643316B (en) | 2009-09-04 | 2009-09-04 | Method for producing U-shaped glass by taking waste glass as raw material |
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|---|---|---|---|
| CN200910094932A CN101643316B (en) | 2009-09-04 | 2009-09-04 | Method for producing U-shaped glass by taking waste glass as raw material |
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| Publication Number | Publication Date |
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| CN101643316A CN101643316A (en) | 2010-02-10 |
| CN101643316B true CN101643316B (en) | 2012-09-05 |
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| CN103253864B (en) * | 2012-02-17 | 2016-05-18 | 信义光伏产业(安徽)控股有限公司 | Ultrawhite float glass process technology for making glass used for solar batteries |
| CN103833224B (en) * | 2014-01-10 | 2016-08-24 | 浦江恒力饰品有限公司 | A kind of Glass rod and preparation method thereof |
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| CN106865554B (en) * | 2015-12-12 | 2019-05-28 | 中国科学院大连化学物理研究所 | A kind of glass refuse processing method |
| CN107226617A (en) * | 2017-06-30 | 2017-10-03 | 合肥利裕泰玻璃制品有限公司 | A kind of energy-saving glass produced by raw material of discarded glass and its production technology |
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| CN108178510A (en) * | 2017-12-30 | 2018-06-19 | 安徽杜氏高科玻璃有限公司 | A kind of anti-aging decorative glass |
| CN108298814A (en) * | 2018-02-08 | 2018-07-20 | 合肥利裕泰玻璃制品有限公司 | A kind of novel building glass and preparation method thereof |
| CN109052941A (en) * | 2018-09-03 | 2018-12-21 | 湖南巨强再生资源科技发展有限公司 | Glass composition and glass and preparation method thereof |
| CN109534678A (en) * | 2019-01-22 | 2019-03-29 | 山东景耀玻璃集团有限公司 | A kind of low cost common white material glass and preparation method |
| CN110482856A (en) * | 2019-09-12 | 2019-11-22 | 惠州市凯博玻璃工程有限公司 | A kind of energy-saving environment-friendly glass and preparation method thereof |
| CN111393024A (en) * | 2020-03-26 | 2020-07-10 | 滁州克莱帝玻璃科技有限公司 | Refrigerator glass partition plate prepared from waste glass and method |
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| CN1935718A (en) * | 2006-10-16 | 2007-03-28 | 李军根 | Process for producing ornament glass |
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