CN105732003A - Manufacturing method of novel high-strength light-weight ceramic thermal-insulation wall material - Google Patents
Manufacturing method of novel high-strength light-weight ceramic thermal-insulation wall material Download PDFInfo
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- CN105732003A CN105732003A CN201410756266.9A CN201410756266A CN105732003A CN 105732003 A CN105732003 A CN 105732003A CN 201410756266 A CN201410756266 A CN 201410756266A CN 105732003 A CN105732003 A CN 105732003A
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Abstract
Disclosed is a manufacturing method of a novel high-strength light-weight ceramic thermal-insulation wall material. According to the method, a series of technical problems that novel wall materials in the prior art is large in unit weight and poor in energy-saving and thermal-insulation effect are mainly solved. According to the method, polished waste residues are taken as a raw material; a certain mass of raw mineral and chemical industrial materials are added; ball-milling mixing, spray granulation, and die-filling are carried out; and high-temperature sintering at 1150-1250 DEG C is carried out to manufacture the novel wall material. The novel wall material has a unit weight of 300-500 kg/m3, a heat conductivity coefficient of 0.06-0.15 w/(m*K), and a compressive strength of 4.5-12 MPs. The novel wall material has characteristics of low unit weight and heat conductivity coefficient, high compressive strength, excellent thermal-insulation performance, and good fireproof performance.
Description
Technical field
The preparation method that the present invention relates to a kind of novel high-strength light ceramics insulating wall material, belongs to construction material manufacture and applied technical field.
Background technology
Along with the fast development of building industry, index of construction energy conservation requires also more and more higher, in field of house buildings, the various performance indications of wall heat insulation material is had higher requirement.
In existing technology, have been developed for various new materials for wall both at home and abroad, it is primarily referred to as silicic acid materials such as using concrete, cement, sand, then fills non-clay brick, building block and the building board that the industrial wastes such as part flyash, gangue, slag or building waste are made through techniques such as compacting or sintering, steam-cured, steam pressures.Wherein, non-clay brick class mainly includes concrete brick, concrete perforated brick, the voidage non-clay sintered hollow block more than 25% and porous brick, sintering shale brick etc.；Building block class mainly includes concrete small block, autoclave aerated concrete building block, flyash one hand tile, gypsum block etc.；Building board class mainly includes fiber reinforced calcium silicate board, light-weight multi-hole partition wall batten and cement sandwich board with mesh etc..
Novel wall material generally has insulation, heat insulation, lightweight, high-strength, energy-conserving and environment-protective, improves building function and increase the plurality of advantages such as house usable floor area, but in practical implementation, still there are problems in common novel wall material, for instance product unit weight is higher (mostly at 800kg/m3Above), heat conductivity higher (more than 0.19W/ (m K)), energy-saving heat preserving performance still needs to improve, the cracking resistance anti-seismic performance of material also needs to strengthen, the presentation quality of product is also required to be improved, and problem above constrains application and the promotion effect of novel wall material to a great extent.
Summary of the invention
It is an object of the invention to for above-mentioned the deficiencies in the prior art, and the preparation method that a kind of novel high-strength light ceramics insulating wall material is provided.The method is mainly with polishing slag for raw material, the raw mineral materials of admixture certain mass and industrial chemicals, preparing novel high-strength light ceramics insulating wall material after ball milling mixed processing, mist projection granulating, die-filling, 1150～1250 DEG C of high temperature sinterings, its unit weight is at 300～500kg/m3, heat conductivity is at 0.06～0.15w/ (m k), and comprcssive strength is 4.5～12MPa.
For achieving the above object, the present invention adopts following technical proposals: the preparation method of a kind of novel high-strength light ceramics insulating wall material, the method utilizes polishing slag as primary raw material, is aided with raw mineral materials and industrial chemicals, prepares novel high-strength light ceramics insulating wall material.Its preparation method is realized by following processing step:
(1) by polishing slag and raw mineral materials, industrial chemicals dispensing by mass percentage, wherein polishing slag, raw mineral materials, industrial chemicals weigh various raw material components with the ratio of 85～94:5～14:1～3 and add in ball mill, adding the water accounting for material gross mass 30～40% afterwards, after ball-milling treatment 4h, slip crosses 80 mesh sieves；
(2) slip prepared in step (1) being carried out mist projection granulating process, put into by pelletize material in the mould combined afterwards, mold material is cordierite-mullite material.
(3) by the mould arranged in step (2) and wait burn material put in kiln, 1150～1250 DEG C of high temperature burn till after prepare novel high-strength light ceramics insulating wall material.
Above-mentioned raw mineral materials adopts one or more in silica flour, light-burning magnesium powder, dolomite dust；Industrial chemicals adopts one or more in industry triple superphosphate, sodium humate or sodium metasilicate, and ball-milling medium ball is middle aluminum ball, and the volume ratio of ball and material is 1:2～3.
Beneficial effects of the present invention and feature:
The present invention solves the series of technical such as big, the energy-saving heat preserving poor effect of unit weight of existing novel wall material existence preferably.The light ceramics insulating wall material unit weight adopting this method prepared is little, heat conductivity is low, comprcssive strength is high, excellent thermal insulation performance, fire protecting performance are good, there is significantly high safety, take full advantage of polishing slag resource, improve the recycling of solid waste, there is good economic worth and the value of environmental protection.
Detailed description of the invention
Embodiment one:
Weigh 4.25kg polishing slag, 0.4kg silica flour, 0.25kg light-burning magnesium powder, 0.05kg industry triple superphosphate, 0.025kg sodium humate, 0.025kg sodium metasilicate, add water after above material is loaded ball grinder 2.6kg, ball-milling treatment 4h, control medium ball and treat that grind materials volume ratio is 1:2.5, afterwards slip was taken out 80 mesh sieves, afterwards slip is carried out mist projection granulating, pelletize material is put in the cordierite-mullite material mould combined, by mould and wait burn material be placed in kiln, about 1150 DEG C high temperature prepare novel high-strength light ceramics insulating wall material after burning till.
The novel high-strength light ceramics insulating wall material unit weight 450kg/m prepared3, heat conductivity is at 0.14w/ (m k), and comprcssive strength is 7.5MPa.
Embodiment two:
Weigh 4.35kg polishing slag, 0.25kg silica flour, 0.25kg light-burning magnesium powder, 0.075kg dolomite dust, 0.025kg industry triple superphosphate, 0.025kg sodium humate, 0.025kg sodium metasilicate, add water after above material is loaded ball grinder 2.8kg, ball-milling treatment 4h, control medium ball and treat that grind materials volume ratio is 1:2.5, afterwards slip was taken out 80 mesh sieves, afterwards slip is carried out mist projection granulating, pelletize material is put in the cordierite-mullite material mould combined, by mould and wait burn material be placed in kiln, 1180 DEG C of high temperature prepare novel high-strength light ceramics insulating wall material after burning till.
The novel high-strength light ceramics insulating wall material unit weight 400kg/m prepared3, heat conductivity is at 0.13w/ (m k), and comprcssive strength is 6.3MPa.
Embodiment three:
Weigh 4.5kg polishing slag, 0.25kg silica flour, 0.15kg dolomite dust, 0.05kg industry triple superphosphate, 0.025kg sodium humate, 0.025kg sodium metasilicate, add water after above material is loaded ball grinder 3kg, ball-milling treatment 4h, control medium ball and treat that grind materials volume ratio is 1:2.5, afterwards slip was taken out 80 mesh sieves, afterwards slip is carried out mist projection granulating, pelletize material is put in the cordierite-mullite material mould combined, by mould and wait burn material be placed in kiln, about 1200 DEG C high temperature prepare novel high-strength light ceramics insulating wall material after burning till.
The novel high-strength light ceramics insulating wall material unit weight 350kg/m prepared3, heat conductivity is at 0.125w/ (m k), and comprcssive strength is 5.4MPa.
Embodiment four:
Weigh 4.6kg polishing slag, 0.1kg silica flour, 0.1kg light-burning magnesium powder, 0.1kg dolomite dust, 0.05kg industry triple superphosphate, 0.025kg sodium humate, 0.025kg sodium metasilicate, add water after above material is loaded ball grinder 3.2kg, ball-milling treatment 4h, control medium ball and treat that grind materials volume ratio is 1:2.5, afterwards slip was taken out 80 mesh sieves, afterwards slip is carried out mist projection granulating, pelletize material is put in the cordierite-mullite material mould combined, by mould and wait burn material be placed in kiln, about 1250 DEG C high temperature prepare novel high-strength light ceramics insulating wall material after burning till.
The novel high-strength light ceramics insulating wall material unit weight 310kg/m prepared3, heat conductivity is at 0.11w/ (m k), and comprcssive strength is 4.8MPa.
The performance parameter table of novel high-strength light ceramics insulating wall material
| Sequence number | Performance title | Unit | Index |
| 1 | Bulk density | kg/m3 | 300～500 |
| 2 | Comprcssive strength | MPa | 4～12 |
| 3 | Rupture strength | MPa | 1.5～5 |
| 5 | Heat conductivity | W/(m·K) | 0.06～0.15 |
| 6 | Water absorption rate | % | ≤0.5 |
Claims (7)
1. the preparation method of a novel high-strength light ceramics insulating wall material, the method is mainly with polishing slag for raw material, the raw mineral materials of admixture certain mass and industrial chemicals, preparing novel high-strength light ceramics insulating wall material after ball milling mixed processing, mist projection granulating, die-filling, 1150～1250 DEG C of high temperature sinterings, its unit weight is at 300～500kg/m3, heat conductivity is at 0.06～0.15w/ (m 〃 k), and comprcssive strength is 4.5～12MPa.
2. the preparation method of a kind of novel high-strength light ceramics insulating wall material as claimed in claim 1, the method is realized by following processing step:
(1) by polishing slag and raw mineral materials, industrial chemicals dispensing by mass percentage, wherein polishing slag, raw mineral materials, industrial chemicals weigh various raw material components with the ratio of 85～94:5～14:1～3 and add in ball mill, adding the water accounting for material gross mass 30～40% afterwards, after ball-milling treatment 4h, slip crosses 80 mesh sieves；
(2) slip prepared in step (1) being carried out mist projection granulating process, put into by pelletize material in the mould combined afterwards, mold material is cordierite-mullite material；
(3) by the mould arranged in step (2) and wait burn material put in kiln, 1150～1250 DEG C of high temperature burn till after prepare novel high-strength light ceramics insulating wall material.
3. the preparation method of a kind of novel high-strength light ceramics insulating wall material as claimed in claim 1, raw mineral materials described in the method adopts one or more in silica flour, light-burning magnesium powder, dolomite dust；Industrial chemicals adopts one or more in industry triple superphosphate, sodium humate or sodium metasilicate；Ball-milling medium ball is middle aluminum ball, and the volume ratio of ball and material is 1:2～3.
4. the preparation method of a kind of novel high-strength light ceramics insulating wall material as claimed in claim 2, the concrete steps of the method:
Weigh 4.25kg polishing slag, 0.4kg silica flour, 0.25kg light-burning magnesium powder, 0.05kg industry triple superphosphate, 0.025kg sodium humate, 0.025kg sodium metasilicate, add water after above material is loaded ball grinder 2.6kg, ball-milling treatment 4h, control medium ball and treat that grind materials volume ratio is 1:2.5, afterwards slip was taken out 80 mesh sieves, afterwards slip is carried out mist projection granulating, pelletize material is put in the cordierite-mullite material mould combined, by mould and wait burn material be placed in kiln, about 1150 DEG C high temperature prepare novel high-strength light ceramics insulating wall material after burning till, the novel high-strength light ceramics insulating wall material unit weight 450kg/m prepared3, heat conductivity is at 0.14w/ (m 〃 k), and comprcssive strength is 7.5MPa.
5. the preparation method of a kind of novel high-strength light ceramics insulating wall material as claimed in claim 2, the concrete steps of the method:
Weigh 4.35kg polishing slag, 0.25kg silica flour, 0.25kg light-burning magnesium powder, 0.075kg dolomite dust, 0.025kg industry triple superphosphate, 0.025kg sodium humate, 0.025kg sodium metasilicate, add water after above material is loaded ball grinder 2.8kg, ball-milling treatment 4h, control medium ball and treat that grind materials volume ratio is 1:2.5, afterwards slip was taken out 80 mesh sieves, afterwards slip is carried out mist projection granulating, pelletize material is put in the cordierite-mullite material mould combined, by mould and wait burn material be placed in kiln, 1180 DEG C of high temperature prepare novel high-strength light ceramics insulating wall material after burning till, the novel high-strength light ceramics insulating wall material unit weight 400kg/m prepared3, heat conductivity is at 0.13w/ (m 〃 k), and comprcssive strength is 6.3MPa.
6. the preparation method of a kind of novel high-strength light ceramics insulating wall material as claimed in claim 2, the concrete steps of the method:
Weigh 4.5kg polishing slag, 0.25kg silica flour, 0.15kg dolomite dust, 0.05kg industry triple superphosphate, 0.025kg sodium humate, 0.025kg sodium metasilicate, add water after above material is loaded ball grinder 3kg, ball-milling treatment 4h, control medium ball and treat that grind materials volume ratio is 1:2.5, afterwards slip was taken out 80 mesh sieves, afterwards slip is carried out mist projection granulating, pelletize material is put in the cordierite-mullite material mould combined, by mould and wait burn material be placed in kiln, about 1200 DEG C high temperature prepare novel high-strength light ceramics insulating wall material after burning till, the novel high-strength light ceramics insulating wall material unit weight 350kg/m prepared3, heat conductivity is at 0.125w/ (m 〃 k), and comprcssive strength is 5.4MPa.
7. the preparation method of a kind of novel high-strength light ceramics insulating wall material as claimed in claim 2, the concrete steps of the method:
Weigh 4.6kg polishing slag, 0.1kg silica flour, 0.1kg light-burning magnesium powder, 0.1kg dolomite dust, 0.05kg industry triple superphosphate, 0.025kg sodium humate, 0.025kg sodium metasilicate, add water after above material is loaded ball grinder 3.2kg, ball-milling treatment 4h, control medium ball and treat that grind materials volume ratio is 1:2.5, afterwards slip was taken out 80 mesh sieves, afterwards slip is carried out mist projection granulating, pelletize material is put in the cordierite-mullite material mould combined, by mould and wait burn material be placed in kiln, about 1250 DEG C high temperature prepare novel high-strength light ceramics insulating wall material after burning till, the novel high-strength light ceramics insulating wall material unit weight 310kg/m prepared3, heat conductivity is at 0.11w/ (m 〃 k), and comprcssive strength is 4.8MPa.
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Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108610019A (en) * | 2016-12-09 | 2018-10-02 | 辽宁法库陶瓷工程技术研究中心 | A method of preparing low unit weight, high-intensity heat insulating material using polishing ceramic waste residue |
| CN110981428A (en) * | 2019-12-10 | 2020-04-10 | 谢贵全 | SCS sub-nano silicon spar and preparation method thereof |
| CN111484283A (en) * | 2020-03-24 | 2020-08-04 | 上海福铁龙住宅工业发展有限公司 | Moisture-absorbing concrete brick, preparation process and application of moisture-absorbing concrete brick in prefabricated wall |
| CN113387681A (en) * | 2021-07-02 | 2021-09-14 | 沈阳工业大学 | Method for preparing assembled stoneware lath for building by utilizing industrial solid waste |
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| CN101186519A (en) * | 2007-12-14 | 2008-05-28 | 华南理工大学 | Porous ceramic material and preparation method thereof |
| CN101565312A (en) * | 2009-05-27 | 2009-10-28 | 广东蒙娜丽莎陶瓷有限公司 | Production method of low-volume-weight light-weight ceramic plank stuff |
| CN103172383A (en) * | 2011-12-22 | 2013-06-26 | 沈阳临德陶瓷研发有限公司 | Method for producing light-weight inorganic plates by using industrial waste slag |
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2014
- 2014-12-10 CN CN201410756266.9A patent/CN105732003A/en active Pending
Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN101186519A (en) * | 2007-12-14 | 2008-05-28 | 华南理工大学 | Porous ceramic material and preparation method thereof |
| CN101565312A (en) * | 2009-05-27 | 2009-10-28 | 广东蒙娜丽莎陶瓷有限公司 | Production method of low-volume-weight light-weight ceramic plank stuff |
| CN103172383A (en) * | 2011-12-22 | 2013-06-26 | 沈阳临德陶瓷研发有限公司 | Method for producing light-weight inorganic plates by using industrial waste slag |
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| 赵由才: "《有色冶金过程污染控制与资源化》", 31 December 2012, 长沙：中南大学出版社 * |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108610019A (en) * | 2016-12-09 | 2018-10-02 | 辽宁法库陶瓷工程技术研究中心 | A method of preparing low unit weight, high-intensity heat insulating material using polishing ceramic waste residue |
| CN110981428A (en) * | 2019-12-10 | 2020-04-10 | 谢贵全 | SCS sub-nano silicon spar and preparation method thereof |
| CN111484283A (en) * | 2020-03-24 | 2020-08-04 | 上海福铁龙住宅工业发展有限公司 | Moisture-absorbing concrete brick, preparation process and application of moisture-absorbing concrete brick in prefabricated wall |
| CN113387681A (en) * | 2021-07-02 | 2021-09-14 | 沈阳工业大学 | Method for preparing assembled stoneware lath for building by utilizing industrial solid waste |
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