CN101481239A - Curtain wall terra-cotta and method for producing the same - Google Patents
Curtain wall terra-cotta and method for producing the same Download PDFInfo
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- CN101481239A CN101481239A CNA2009100958715A CN200910095871A CN101481239A CN 101481239 A CN101481239 A CN 101481239A CN A2009100958715 A CNA2009100958715 A CN A2009100958715A CN 200910095871 A CN200910095871 A CN 200910095871A CN 101481239 A CN101481239 A CN 101481239A
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Abstract
The invention belongs to the technical field of construction materials, in particular to a curtain wall ceramic board and a preparing method thereof. The main ingredient of the curtain wall ceramic board is shale, and the auxiliary ingredient is argil. The invention uses the shale as the main raw material for producing the curtain wall ceramic board, saves a great amount of clay and kaolin resources, and effectively uses the shale with sufficient resources. The invention also uses a wet ball milling method to uniformly mix the raw materials, the finished product rate is high, the finished products can reach the requirement of the relative standards of the national standard GB/T21086-2007 and the like, the color difference is reduced, the cost is lowered, and the dust pollution is reduced.
Description
Technical field
The invention belongs to building material technical field, be specifically related to a kind of curtain wall terra-cotta and preparation method thereof.
Background technology
The production of the curtain wall terra-cotta of China at present totally also is in small-scale, high energy consumption, low-quality, the single situation of kind, and this is because the raw material that producer selects is single, preparation technology is unreasonable etc. causes to a great extent.Wherein the main raw material of most curtain wall terra-cottas still adopts traditional clay or kaolin, consumes a large amount of clay resources.And because manufacturing process unreasonable causes the yield rate of curtain wall terra-cotta low, aberration is difficult to control.Because other expensive auxiliary materials such as use colorant make production cost high, and dust pollution are serious, treatment cost is also very high in the production process.Prior art is because the deficiency of manufacturing process, if adopt shale to produce curtain wall terra-cotta, can not the be up to state standards requirement of relevant criterion such as GB/T21086-2007 of the curtain wall terra-cotta of then producing also belongs to blank at home so produce curtain wall terra-cotta with shale.
Summary of the invention
The objective of the invention is to the deficiency at existing curtain wall terra-cotta, a kind of curtain wall terra-cotta is provided, it is low to have a cost, raw material sources extensively and sufficient, land occupation resource not.
Above-mentioned purpose of the present invention is achieved by the following technical programs:
Curtain wall terra-cotta, its main component is a shale.
Curtain wall terra-cotta, its composition also comprises potter's clay.
The weight part of described shale is 30～70 parts, and the weight part of described potter's clay is 20～50 parts.
As preferably, shale is non-sandy shale.
As preferably, the weight part of described shale is 45～60 parts, and the weight part of described potter's clay is 20～30 parts.
Another object of the present invention provides a kind of method of making curtain wall terra-cotta, reaching the protection environment, and the yield rate height, can produce the purpose that meets national standard, curtain wall terra-cotta product that aberration is little.
Above-mentioned purpose of the present invention is achieved by the following technical programs:
Make the method for curtain wall terra-cotta, may further comprise the steps:
(1) fragmentation is sieved: with the fragmentation of part shale, sieve, obtain the shale particle;
(2) wet-milling drying: all the other shale are obtained mud with water, potter's clay, liquefactent mixing wet-milling, with the dry pug that gets of mud;
(3) stir ageing:, obtain even pug with carrying out ageing after above-mentioned pug and the additive stirring;
(4) shaping is fired: above-mentioned even pug by extrusion molding, is obtained the potter's clay slab, after described potter's clay slab drying, send into calcining kiln and fire.
Liquefactent is one or more in water glass, six meta-acid sodium, the tripoly phosphate sodium STPP.
As preferably, liquefactent is a water glass.
Described fragmentation in sieving used shale account for 5%～30% of shale total mass.
As preferably, in the described wet-milling drying step, used water is the trade effluent of handling through rough purification that reaches state sewage emission standard.Can reach the conserve water resource like this, improve salvage value, the purpose of protection environment.
As preferably, in the described wet-milling drying step, dried pug moisture content is 3～6%.
As preferably, in the described stirring aging step, the aged time is 48～72 hours.Moisture distribution in the mixture is got evenly, improve plasticity-and plasticity
As preferably, in the described stirring aging step, used additive is one or both in shale particle, the emulsifying wax.
As preferably, be shaped and fire in the step, the potter's clay slab can be cut into different length as required.
In sum, the present invention has following beneficial effect:
1, the present invention's shale is that main raw material is produced curtain wall terra-cotta, has saved a large amount of clays and kaolin resource, and the competent rock in this source of shale has been carried out effective utilization.
2, the present invention adopts wet ball grinding and stirring, make between the raw material mix more even, the yield rate height, and make can both the be up to state standards requirement of relevant criterion such as GB/T21086-2007 of the finished product of curtain wall terra-cotta, reduce aberration, reduced cost, reduced dust pollution.
3, the present invention utilizes the mineralogical composition that shale self contains, and makes curtain wall terra-cotta just can form colors such as orange, redness without colorant, production cost is reduced greatly, and aberration is also little.
4, the present invention as the liquefactent of making curtain wall terra-cotta, has replaced other expensive liquefactents such as six meta-acid sodium, tripoly phosphate sodium STPP with water glass, has reduced cost.
5, the present invention has strengthened ageing process, and the moisture distribution in the mixture is got evenly, improves plasticity-and plasticity.
6, making the used water of curtain wall terra-cotta is the trade effluent of handling through rough purification that reaches state sewage emission standard.Save water resources greatly, and no longer added other water in process of production and just can produce final finished product, improved the utilization ratio of water resources.
Embodiment
It below only is explanation of the invention; it is not a limitation of the present invention; those skilled in the art can make the modification that does not have creative contribution to present embodiment as required after reading this specification sheets, but as long as all are subjected to the protection of patent law in claim scope of the present invention.
Each raw material and add-on are tabulated as table 1 in the specific embodiment, unit K G in the table.
Table 1
| Raw material | Embodiment 1 | Embodiment 2 | Embodiment 3 | Embodiment 4 |
| Shale | 70 | 45 | 55 | 30 |
| Potter's clay | 20 | 25 | 35 | 50 |
| Liquefactent | 1 | 2 | 3 | 5 |
| Emulsifying wax | 1 | 2 | 3 | 5 |
| Water | 30 | 40 | 50 | 60 |
Shale is non-sandy shale.
Liquefactent is a water glass.
Water is the trade effluent of handling through rough purification that reaches state sewage emission standard.
Make the method for the curtain wall terra-cotta that adopts shale production, it may further comprise the steps:
(1) fragmentation is sieved: 5% is the shale particle that sieves and obtain with 20 order double-deck screen shale shakers in the shale of embodiment 1,10% is the shale particle that sieves and obtain with 30 order double-deck screen shale shakers in the shale of embodiment 2,25% is the shale particle that sieves and obtain with 30 order double-deck screen shale shakers in the shale of embodiment 3,15% is the shale particle that sieves and obtain with 40 order double-deck screen shale shakers in the shale of embodiment 4;
(2) wet-milling drying: remaining shale among each embodiment is mixed wet-milling with water, potter's clay, liquefactent in ball mill, obtain mud, mud is sent into the spray-drying tower drying, obtain pug;
(3) stir ageing: pug and shale particle, emulsifying wax are stirred after mixing, the mixture that obtains is sent into the ageing of ageing storehouse, wherein embodiment 1 ageing is 48 hours, embodiment 2,3 ageings 60 hours, and embodiment 4 ageings 72 hours obtain even pug;
(4) shaping is fired: obtain even pug by the mud extruder extrusion molding with above-mentioned, obtain the potter's clay slab, advance the dry kiln drying then, dry laggard calcining kiln is fired.
The curtain wall terra-cotta of making according to aforesaid method satisfies the requirement of standard GB/T21086-2007 after tested, the coefficient of expansion≤1.6mm/m, and product qualified rate reaches more than 90%.
Other experimental data such as tables 2 of the curtain wall terra-cotta that embodiment 1,2,3,4 makes.
Table 2
| Embodiment 1 | Embodiment 2 | Embodiment 3 | Embodiment 4 | |
| Water-intake rate, % | 4.56 | 9.42 | 8.94 | 6.45 |
| The modulus of rupture, Mpa | 27 | 39 | 35 | 33 |
Claims (10)
1, curtain wall terra-cotta is characterized in that: its main component is a shale.
2, curtain wall terra-cotta according to claim 1 is characterized in that: its composition also comprises potter's clay.
3, curtain wall terra-cotta according to claim 1 is characterized in that: described shale is non-sandy shale.
4, curtain wall terra-cotta according to claim 1 and 2 is characterized in that: the weight part of described shale is 30～70 parts, and the weight part of described potter's clay is 20～50 parts.
5, curtain wall terra-cotta according to claim 1 and 2 is characterized in that: the weight part of described shale is 45～60 parts, and the weight part of described potter's clay is 20～30 parts.
6, make the method for curtain wall terra-cotta as claimed in claim 1, may further comprise the steps:
(1) fragmentation is sieved: with the fragmentation of part shale, sieve, obtain the shale particle;
(2) wet-milling drying: all the other shale are obtained mud with water, potter's clay, liquefactent mixing wet-milling, with the dry pug that gets of mud;
(3) stir ageing:, obtain even pug with carrying out ageing after above-mentioned pug and the additive stirring;
(4) shaping is fired: above-mentioned even pug by extrusion molding, is obtained the potter's clay slab, after described potter's clay slab drying, send into calcining kiln and fire.
7, the making method of curtain wall terra-cotta according to claim 6 is characterized in that: in the described wet-milling drying step, used water is the trade effluent of handling through rough purification that reaches state sewage emission standard.
8, the making method of curtain wall terra-cotta according to claim 6 is characterized in that: in the described wet-milling drying step, the water ratio of dried pug is 3～6%.
9, the making method of curtain wall terra-cotta according to claim 6 is characterized in that: in the described stirring aging step, the aged time is 48～72 hours.
10, the making method of curtain wall terra-cotta according to claim 6 is characterized in that: in the described stirring aging step, used additive is one or several the combination in shale particle, the emulsifying wax.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNA2009100958715A CN101481239A (en) | 2009-02-14 | 2009-02-14 | Curtain wall terra-cotta and method for producing the same |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNA2009100958715A CN101481239A (en) | 2009-02-14 | 2009-02-14 | Curtain wall terra-cotta and method for producing the same |
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| CN101481239A true CN101481239A (en) | 2009-07-15 |
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| Application Number | Title | Priority Date | Filing Date |
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| CNA2009100958715A Pending CN101481239A (en) | 2009-02-14 | 2009-02-14 | Curtain wall terra-cotta and method for producing the same |
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Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102351510A (en) * | 2011-07-09 | 2012-02-15 | 新嘉理（江苏）陶瓷有限公司 | Method for eliminating dry hanging ceramic plate firing defects |
| CN102351511A (en) * | 2011-07-10 | 2012-02-15 | 新嘉理（江苏）陶瓷有限公司 | Dry hanging ceramic plate composition |
| CN106083166A (en) * | 2016-06-08 | 2016-11-09 | 甘肃迅美节能科技股份有限公司 | A kind of animal hair fine-celled foam insulation pottery piece preparation method |
| CN109231955A (en) * | 2018-08-10 | 2019-01-18 | 瑞高（浙江）环保新材料科技有限公司 | The wear-resisting ceramic plate of a kind of nanometer of dry granular and preparation process |
| CN110510988A (en) * | 2019-07-05 | 2019-11-29 | 福建省乐普陶板制造有限公司 | A kind of crack resistence ceramic plate and its constant temperature and humidity furnace drying method |
-
2009
- 2009-02-14 CN CNA2009100958715A patent/CN101481239A/en active Pending
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102351510A (en) * | 2011-07-09 | 2012-02-15 | 新嘉理（江苏）陶瓷有限公司 | Method for eliminating dry hanging ceramic plate firing defects |
| CN102351511A (en) * | 2011-07-10 | 2012-02-15 | 新嘉理（江苏）陶瓷有限公司 | Dry hanging ceramic plate composition |
| CN106083166A (en) * | 2016-06-08 | 2016-11-09 | 甘肃迅美节能科技股份有限公司 | A kind of animal hair fine-celled foam insulation pottery piece preparation method |
| CN109231955A (en) * | 2018-08-10 | 2019-01-18 | 瑞高（浙江）环保新材料科技有限公司 | The wear-resisting ceramic plate of a kind of nanometer of dry granular and preparation process |
| CN110510988A (en) * | 2019-07-05 | 2019-11-29 | 福建省乐普陶板制造有限公司 | A kind of crack resistence ceramic plate and its constant temperature and humidity furnace drying method |
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Application publication date: 20090715 |