CN100357226C - Method for preparing sandwich type ceramic aggregates free from burning by using waste of ceramics - Google Patents
Method for preparing sandwich type ceramic aggregates free from burning by using waste of ceramics Download PDFInfo
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- CN100357226C CN100357226C CNB2006100374946A CN200610037494A CN100357226C CN 100357226 C CN100357226 C CN 100357226C CN B2006100374946 A CNB2006100374946 A CN B2006100374946A CN 200610037494 A CN200610037494 A CN 200610037494A CN 100357226 C CN100357226 C CN 100357226C
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- perlite
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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
Abstract
This invention discloses a method for preparing sintering-free core ceramsite from ceramic waste. The method comprises: (1) grinding ceramic waste, sieving and mixing 70 parts of ceramic powder, 10-15 parts of cement, 15-20 parts of clay, and 5-10 parts of quicklime (exciting agent) to obtain a mixture; (2) surface-treating perlite with grain sizes of 1-3 mm, uniformly coating 1 part of water glass onto the surface of 1-3 parts of perlite, and adding into a ball-tray; (3) spraying 10 parts of the obtained mixture onto 1-2 parts of perlite, and spraying water onto the ball-tray to coat the mixture on the surface of perlite till the ceramsite blank has diameters of 3-5 mm; (4) maintaining in a maintaining box or maintaining naturally to obtain sintering-free core ceramsite. The method can recycle ceramic waste, reduce pollution, protect environment, and solve sintering-free core ceramsite problem of big bulk density.
Description
Technical field
The present invention relates to ceramic building material, be specifically related to a kind of method of utilizing ceramic waste material to prepare the sandwich-like baking-free ceramicite.
Background technology
Fast development along with ceramic industry, the output of ceramic polished brick is increasing, and the waste material of polished tile is also in rapid increase simultaneously, and the grinding and polishing operation is removed the 0.5-0.7mm upper layer from adobe (porcelain brick) surface usually according to statistics, sometimes even up to 1-2mm, produce 1m so
2Polished tile will form the brick bits about 1.5Kg, simultaneously, and about the about 0.6Kg of loss of cutter (grinding tool).Make 1m
2Polished tile roughly form waste residues of polished tiles about 2.1Kg.If with the polishing production line of producing 1000000 square metres of polished tile per year is example, the so annual waste residues of polished tiles that produces approximately about 2100 tons, the polished tile production line is thousands of in China at present, the annual waste residues of polished tiles that produces millions of even up to ten million tons.Up till now, waste residues of polished tiles is handled and is utilized degree lower, adopts the way of landfill mostly, causes a large amount of waste residues to tie up the arable land, and water and air is polluted.Therefore how to turn waste into wealth, the change waste material is a resource, has become the common problem of paying close attention to of Production of Ceramics producer and ceramist.
Along with the raising that architectural development requires, the defective that traditional sandstone gathers materials also shows more and more obviously: on the one hand, density is big, is difficult to reduce the deadweight of buildings, makes that the building lot degree of depth is big, shock resistance is poor; On the other hand, alkali-aggregate reaction takes place in the sandstone alkalinity height in cement that gathers materials easily, influences the security of buildings; In addition, the insulation of sandstone, heat-proof quality are all very poor, are difficult to build the energy-saving building thing.For fear of the above-mentioned defective that traditional sandstone material exists, researchers have been developed a kind of high performance light-weight aggregate one haydite.Haydite is a kind of New Building Materials, it is a main raw material with clay, argillaceous rock, industrial waste etc., admixture small amount of binder, additives, additive etc. again are through processing balling-up, a kind of artificial light aggregate of making by technological processs such as sintering or maintenances then.Because the haydite tap density is less, inner porous, form, composition are than homogeneous, and have certain intensity and soundness, thereby have light weight, antidetonation and good isolated property characteristics such as (insulation, heat insulation, sound insulation, damp proof insulations), be widely used in departments such as building, metallurgy, chemical industry, oil, agricultural.At present, the production of haydite mainly is divided into two kinds of sintered type and unburned junction types, and generally speaking, because sintered type needs high-temperature roasting, corresponding technological equipment investment, energy consumption and product cost are higher.And the burning free type ceramsite production process is simple relatively, investment is little, cost is low, have unburned energy-conservation advantage.But the tap density of the baking-free ceramicite that current prior art is produced is bigger, and it is bigger than normal to use it for its density of production light-weight wall material, and this has limited its development and application to a certain extent.
Summary of the invention
The objective of the invention is to utilize waste ceramic tile polishing material (ceramic waste material), turn waste into wealth, and overcome prior art production baking-free ceramicite and have the big shortcoming of tap density, a kind of method of utilizing ceramic waste material to prepare the little sandwich-like baking-free ceramicite of tap density is provided.
Purpose of the present invention is achieved through the following technical solutions:
Utilize ceramic waste material to prepare the method for sandwich-like baking-free ceramicite, comprise the steps and processing condition:
(1) after elder generation carries out grinding with ceramic waste material, crosses 70～90 mesh sieve, calculate with mass fraction then, 70 parts of ceramics powders, 10～15 parts of cement, 15～20 parts of clays and 5～10 parts of unslaked limes as exciting agent are mixed, stir;
(2) getting particle diameter is that the perlite of 1-3mm carries out surface treatment, calculates with mass fraction subsequently, 1 part of water glass as binding agent evenly is sprayed on 1～3 part of perlite surface, and sends into pan-pelletizer;
(3) calculate with mass fraction, the compound of 10 parts of steps (1) preparations is sprayed on the perlite in 1～2 part of step (2) pan-pelletizer, and water is sprayed in the pan-pelletizer, make compound constantly be wrapped in the perlite surface, reach the granularity of 3～5mm up to the diameter of haydite base substrate; Described water is sprayed in the pan-pelletizer is to be that watering can about 1mm is sprayed in the pan-pelletizer with water with the shower nozzle aperture constantly;
(4) with the haydite base substrate for preparing, put into the maintaining box maintenance or carry out natural curing, make the sandwich-like baking-free ceramicite.
After described step (1) ceramic waste material carries out grinding, preferred mistake 80 purpose sieves.
The surface treatment of described step (2) is to remove the perlite surface dust through vibratory screening apparatus.
The maintaining box maintenance of described step (4) is the ball base for preparing directly to be put into maintaining box protect damp maintenance discharging after 28 days.
The natural curing of described step (4) is the indoor maintenance 3 days under state of nature of the ball base that will prepare.
With respect to prior art, the present invention has following advantage:
(1) made full use of waste ceramic tile polishing material, turned waste into wealth, reduced and pollute, the protection environment.Owing to adopted unburned preparation technology, energy consumption that sintering method brought and environmental pollution have been eliminated simultaneously.
(2) this haydite employing is the preparation method of core with the pearlstone, and more general baking-free ceramicite has lightweight characteristics, has promptly solved the big difficult problem of baking-free ceramicite tap density.
(3) in the wrapper because the existence of compositions such as cement, exciting agent forms one deck hard shell on the perlite surface behind hydration reaction, make product when having the lightweight characteristics, have higher intensity again.
(4) compare with existing sintering ceramsite, save cost, reduced cost.
Embodiment
The present invention is described further below in conjunction with drawings and Examples, but protection scope of the present invention is not limited to the scope that embodiment represents.
The ceramic waste material that adopts among the embodiment is the polished tile waste material of ceramics factory, and its chemical ingredients sees Table 1; What cement adopted is 525 grades of alunite expansive cements, and its physical and chemical performance sees Table 2; Clay is for originating from the geographic smolmitza in Chaozhou, Guangdong (containing organic higher black mud).
The Chemical Composition (wt/%) of table 1 polished tile waste material
| Composition | SiO 2 | Al 2O 3 | Fe 2O 3 | CaO | MgO | Na 2O | K 2O | Loss on ignition |
| Content | 52.24 | 13.15 | 0.88 | 1.83 | 4.61 | 2.42 | 1.37 | 13.74 |
The physical and chemical performance of table 2 expansive cement
| Ultimate compression strength 〉=Mpa | Folding strength 〉=Mpa | Time of coagulation/h:min | |||||
| 3d | 7d | 28d | 3d | 7d | 28d | Initial set | Final set |
| 24.5 | 34.3 | 52.5 | 4.1 | 5.3 | 7.8 | ≥0:45 | ≤8:30 |
Embodiment 1
(1) earlier ceramic waste material is carried out grinding after, cross 80 mesh sieve, then with ceramics powder and cement, clay and unslaked lime according to 70: 10: 15: 5 quality proportioning is mixed, and stirs;
(2) get the perlite that particle diameter is 1-3mm, after vibratory screening apparatus carries out surface treatment,, water glass evenly is sprayed on the perlite surface, send into pan-pelletizer then according to perlite and 1: 2 ratio of water glass mass ratio;
(3) calculate with mass fraction, the compound of 10 parts of steps (1) preparations is sprayed on the perlite in 2 parts of steps (2) pan-pelletizer, and constantly evenly be sprayed in pan-pelletizer with watering can (selecting the aperture for use is the shower nozzle dominant discharge of 1mm) water, make compound constantly be wrapped in the perlite surface, reach the granularity of 3～5mm up to the diameter of haydite base substrate;
(4) with the haydite base substrate for preparing, put into maintaining box and protect damp maintenance discharging in 28 days, make the sandwich-like baking-free ceramicite.
After testing, the sandwich-like baking-free ceramicite tap density that makes is 600Kg/m
3Cylindrical compress strength is 1.72MPa; The water-intake rate of water-intake rate: 1h=18.7%.
Embodiment 2
(1) earlier ceramic waste material is carried out grinding after, cross 70 mesh sieve, then with ceramics powder and cement, clay and unslaked lime according to 70: 15: 20: 10 proportioning is mixed, and stirs;
(2) get the perlite that particle diameter is 1-3mm, after vibratory screening apparatus carries out surface treatment,, water glass evenly is sprayed on the perlite surface, send into pan-pelletizer then according to perlite and 1: 2 ratio of water glass mass ratio;
(3) calculate with mass fraction, the compound of 10 parts of steps (1) preparations is sprayed on the perlite in 1 part of step (2) pan-pelletizer, and constantly evenly be sprayed in pan-pelletizer with watering can (selecting the aperture for use is the shower nozzle dominant discharge of 1mm) water, make compound constantly be wrapped in the perlite surface, reach the granularity of 3～5mm up to the diameter of haydite base substrate;
(4) with the haydite base substrate indoor maintenance discharging in 3 days under state of nature for preparing, make the sandwich-like baking-free ceramicite.
After testing, the sandwich-like baking-free ceramicite tap density that makes is 680Kg/m
3Cylindrical compress strength is 1.8MPa; The water-intake rate 18.4%. of water-intake rate: 1h
Embodiment 3
(1) earlier ceramic waste material is carried out grinding after, cross 90 mesh sieve, then with ceramics powder and cement, clay and unslaked lime according to 70: 10: 15: 5 proportioning is mixed, and stirs;
(2) get the perlite that particle diameter is 1-3mm, carry out after the surface treatment,, water glass evenly is sprayed on the perlite surface, send into pan-pelletizer then according to perlite and 1: 1 ratio of water glass mass ratio;
(3) calculate with mass fraction, the compound of 10 parts of steps (1) preparations is sprayed on the perlite in 1.5 parts of steps (2) pan-pelletizer, and constantly evenly be sprayed in pan-pelletizer with watering can (selecting the aperture for use is the shower nozzle dominant discharge of 1mm) water, make compound constantly be wrapped in the perlite surface, reach the granularity of 3～5mm up to the diameter of haydite base substrate;
(4) with the haydite base substrate for preparing, put into maintaining box and protect damp maintenance discharging in 32 days, make the sandwich-like baking-free ceramicite.
After testing, the sandwich-like baking-free ceramicite tap density that makes is 590Kg/m
3Cylindrical compress strength is 1.2MPa; The water-intake rate 19.6% of water-intake rate: 1h.
Embodiment 4
(1) earlier ceramic waste material is carried out grinding after, cross 80 mesh sieve, then with ceramics powder and cement, clay and unslaked lime according to 70: 15: 15: 10 proportioning is mixed, and stirs;
(2) get the perlite that particle diameter is 1-3mm, after vibratory screening apparatus carries out surface treatment,, water glass evenly is sprayed on the perlite surface, send into pan-pelletizer then according to perlite and 1: 3 ratio of water glass mass ratio;
(3) calculate with mass fraction, the compound of 10 parts of steps (1) preparations is sprayed on the perlite in 2 parts of steps (2) pan-pelletizer, and constantly evenly be sprayed in pan-pelletizer with watering can (selecting the aperture for use is the shower nozzle dominant discharge of 1mm) water, make compound constantly be wrapped in the perlite surface, reach the granularity of 3～5mm up to the diameter of haydite base substrate;
(4) with the haydite base substrate indoor maintenance discharging in 3 days under state of nature for preparing, make the sandwich-like baking-free ceramicite.
After testing, the sandwich-like baking-free ceramicite tap density that makes is 600Kg/m
3Cylindrical compress strength is 1.72MPa; The water-intake rate 18.6% of water-intake rate: 1h.
The physical and mechanical property that the foregoing description obtains this unburned parcel haydite is respectively: tap density is 500～700Kg/m
3, the tap density (700～1300Kg/m of the baking-free ceramicite of producing than prior art
3) little; Cylindrical compress strength is 1～2MPa; The water-intake rate 18～21% of water-intake rate: 1h, all properties test is carried out according to the light-weight aggregate standard of GB GB/T17431.1-1998 regulation.This kind haydite is than with the cylindrical compress strength of the burning-free flyash haydite of density rating (≤1.5MPa) height, because there is certain micropore on this haydite surface, so than water-intake rate (≤12%) height of ordinary ceramsite 1h, and this special surface tissue has certain benefit for the aggregate as functional materialss such as sound absorbent materials; Compare with existing sintering ceramsite, the production unit of this kind baking-free ceramicite is few, and technology is simple, have that production cost is low, particle diameter evenly, less investment, the advantage that energy consumption and environmental pollution are little.
Claims (4)
1, utilize ceramic waste material to prepare the method for sandwich-like baking-free ceramicite, it is characterized in that comprising the steps and processing condition:
(1) after elder generation carries out grinding with ceramic waste material, crosses 70～90 mesh sieve, calculate with mass fraction then, 70 parts of ceramics powders, 10～15 parts of cement, 15～20 parts of clays and 5～10 parts of unslaked limes as exciting agent are mixed, stir;
(2) getting particle diameter is that the perlite of 1-3mm carries out surface treatment, calculates with mass fraction subsequently, 1 part of water glass as binding agent evenly is sprayed on 1～3 part of perlite surface, and sends into pan-pelletizer; Described surface treatment is to remove the perlite surface dust through vibratory screening apparatus;
(3) calculate with mass fraction, the compound of 10 parts of steps (1) preparations is sprayed on the perlite in 1～2 part of step (2) pan-pelletizer, and water is sprayed in the pan-pelletizer, make compound constantly be wrapped in the perlite surface, reach the granularity of 3～5mm up to the diameter of haydite base substrate;
(4) with the haydite base substrate for preparing, put into the maintaining box maintenance or carry out natural curing, make the sandwich-like baking-free ceramicite.
2, the method for utilizing ceramic waste material to prepare the sandwich-like baking-free ceramicite according to claim 1 is characterized in that, after described step (1) ceramic waste material carries out grinding, crosses 80 purpose sieves.
3, the method for utilizing ceramic waste material to prepare the sandwich-like baking-free ceramicite according to claim 1 is characterized in that, the maintaining box maintenance of described step (4) is the ball base for preparing directly to be put into maintaining box protect damp maintenance discharging after 28 days.
4, the method for utilizing ceramic waste material to prepare the sandwich-like baking-free ceramicite according to claim 1 is characterized in that, the natural curing of described step (4) is the indoor maintenance 3 days under state of nature of the ball base that will prepare.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNB2006100374946A CN100357226C (en) | 2006-09-05 | 2006-09-05 | Method for preparing sandwich type ceramic aggregates free from burning by using waste of ceramics |
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| CNB2006100374946A CN100357226C (en) | 2006-09-05 | 2006-09-05 | Method for preparing sandwich type ceramic aggregates free from burning by using waste of ceramics |
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| CN1915887A CN1915887A (en) | 2007-02-21 |
| CN100357226C true CN100357226C (en) | 2007-12-26 |
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| CN102086116B (en) * | 2009-12-08 | 2012-12-26 | 沈阳临德陶瓷研发有限公司 | Method for preparing calcium silicate board from ceramic polishing waste |
| CN102503516B (en) * | 2011-11-10 | 2013-04-17 | 许庆华 | Irregularly-shaped sintering-free attapulgite river sediment ceramsite |
| CN103740356B (en) * | 2013-12-26 | 2016-09-21 | 佛山市东鹏陶瓷有限公司 | A kind of petroleum fracturing propping agent and manufacture method thereof |
| CN103951339B (en) * | 2014-04-09 | 2015-12-30 | 四川大学 | The preparation method that a kind of easy crushing material is manually prepared |
| CN104529212B (en) * | 2014-12-05 | 2016-08-24 | 昆明理工大学 | A kind of preparation method and application wrapping aglite |
| CN106396696B (en) * | 2016-08-26 | 2019-03-15 | 山东金璞新材料有限公司 | The preparation method of mullite spherical shape aggregate enhancing refractory material |
| CN108863428B (en) * | 2018-07-27 | 2021-04-02 | 广州大学 | Preparation method of medium-granularity ceramic polishing slag ceramsite, prepared ceramic polishing slag ceramsite and application thereof |
| CN111548042A (en) * | 2020-04-28 | 2020-08-18 | 深圳大学 | Landscape engineering material and preparation method thereof |
| CN112624645A (en) * | 2020-12-23 | 2021-04-09 | 筑友智造科技投资有限公司 | Molybdenum tailing ceramsite and preparation method thereof |
Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1109850A (en) * | 1995-01-25 | 1995-10-11 | 北京市环境卫生科学研究所 | Method for producing haydite from refuse or mud |
| CN1182062A (en) * | 1997-11-25 | 1998-05-20 | 揣玉成 | Floatstone-flyash haydite and its production process |
| CN1369464A (en) * | 2001-02-15 | 2002-09-18 | 王泽生 | Powdered coal powder-pearlite haydite and its preparing process |
-
2006
- 2006-09-05 CN CNB2006100374946A patent/CN100357226C/en not_active Expired - Fee Related
Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1109850A (en) * | 1995-01-25 | 1995-10-11 | 北京市环境卫生科学研究所 | Method for producing haydite from refuse or mud |
| CN1182062A (en) * | 1997-11-25 | 1998-05-20 | 揣玉成 | Floatstone-flyash haydite and its production process |
| CN1369464A (en) * | 2001-02-15 | 2002-09-18 | 王泽生 | Powdered coal powder-pearlite haydite and its preparing process |
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