CN103922792B - A kind of method utilizing red mud high-temperature fusion foam production light weight cellular material - Google Patents
A kind of method utilizing red mud high-temperature fusion foam production light weight cellular material Download PDFInfo
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- CN103922792B CN103922792B CN201410164135.1A CN201410164135A CN103922792B CN 103922792 B CN103922792 B CN 103922792B CN 201410164135 A CN201410164135 A CN 201410164135A CN 103922792 B CN103922792 B CN 103922792B
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Abstract
The invention discloses a kind of method utilizing red mud high-temperature fusion foam production light weight cellular material belonging to material of construction preparing technical field.The method is by the Bayer process red mud of certain mass, glass powder, borax and carbon element mixing, tiling is in heat-resistance stainless steel mould, heat-resistance stainless steel mould is put into shuttle kiln or roller kiln, by the cooling that repeatedly heats up, mixed powder first melting in this process, produce the cellular material that bubble, expanded, quick cooling curing become many pores, this material can be used as the purposes such as heat-insulation and heat-preservation, sound-absorbing, filtration and construction wall.
Description
Technical field
The invention belongs to material of construction preparing technical field, be specifically related to a kind of method utilizing red mud high-temperature fusion foam production light weight cellular material.
Background technology
Bayer process red mud is the waste residue with alumina producing Bayer process, because high alkalinity, high radiation, generation are regarded as greatly reluctant large solid waste.Often produce one ton of aluminum oxide, produce 0.8-1.5 ton red mud, the red mud process of generation is not good at, and can cause environmental pollution, also can take a large amount of soils to store red mud.
At present, there is the technical scheme of the environmental pollution of multiple solution red mud recycling, patent CN101748848A discloses a kind of Bayer process red mud shale bricks and production method thereof, is prepared into a kind of building wall material, and this materials for wall is heavier, be unfavorable for insulation, during construction, construction intensity is large, is not suitable at present for the demand of material of construction lighting, the still remaining faint nuclear radiation of this materials for wall, is unfavorable for healthy.
Summary of the invention
The present invention is directed to the defect of prior art, propose a kind of method utilizing red mud high-temperature fusion foam production light weight cellular material.
Utilize a method for red mud high-temperature fusion foam production light weight cellular material, carry out in accordance with the following steps:
(1) according to parts by weight, by 40-70 part Bayer process red mud, 25-45 part glass powder, 1-10 part borax, 1-10 part carbon element mixes, and is ground to 200-300 order fineness, makes mixed powder;
(2) mixed powder is tiled in heat-resistance stainless steel mould, thickness is 10-30mm;
(3) heat-resistance stainless steel mould is put into shuttle kiln or roller kiln, be warming up to 1500-2000 DEG C, keep 5-10min, be cooled to 900-1200 DEG C, keep 5-10min, repeat above-mentioned steps 2-5 time; Mixed powder first melting in this process, produce bubble, expanded, then fast cooling curing becomes the cellular material of many pores (opening or remain silent);
(4) be cooled to 800-900 DEG C, keep 20-30min, naturally cool to room temperature.
Described mould is long 600mm, wide 600mm, the rectangular box of high 250mm, has the end and all around, without upper cover, all around detachably.
Described carbon element is graphite, charcoal or coal.
Described charcoal is ash charcoal.
Beneficial effect of the present invention: adopt method of the present invention can produce cellular light building material, processed the red mud of contaminate environment, material can be used for heat-insulation and heat-preservation, sound-absorbing, filter and construction wall, preparation method of the present invention is simple, and the material of construction good heat insulating of preparation is lightweight, easy construction, radiation is low, to human-body safety, durable.
Embodiment
Below in conjunction with specific embodiment, the present invention will be further described.
Embodiment 1
Utilize a method for red mud high-temperature fusion foam production light weight cellular material, carry out in accordance with the following steps:
(1) according to parts by weight, by 50kg Bayer process red mud, 25kg glass powder, 1kg borax, the mixing of 1kg graphite element, is ground to 200 order fineness, makes mixed powder;
(2) mixed powder is tiled in heat-resistance stainless steel mould, thickness is 10mm;
(3) heat-resistance stainless steel mould is put into shuttle kiln or roller kiln, be warming up to 1500 DEG C, keep 5min, be cooled to 900 DEG C, keep 5min, repeat above-mentioned steps 5 times;
(4) be cooled to 800 DEG C, keep 20min, naturally cool to room temperature.
Described mould is long 600mm, wide 600mm, the rectangular box of high 250mm, has the end and all around, without upper cover, all around detachably.
Embodiment 2
Utilize a method for red mud high-temperature fusion foam production light weight cellular material, carry out in accordance with the following steps:
(1) according to parts by weight, by 70kg Bayer process red mud, 45kg glass powder, 10kg borax, 10kg carbon element mixes, and is ground to 300 order fineness, makes mixed powder;
(2) mixed powder is tiled in heat-resistance stainless steel mould, thickness is 30mm;
(3) heat-resistance stainless steel mould is put into shuttle kiln or roller kiln, be warming up to 2000 DEG C, keep 10min, be cooled to 1200 DEG C, keep 10min, repeat above-mentioned steps 2 times;
(4) be cooled to 900 DEG C, keep 30min, naturally cool to room temperature.
Described mould is long 600mm, wide 600mm, the rectangular box of high 250mm, has the end and all around, without upper cover, all around detachably.
Embodiment 3
Utilize a method for red mud high-temperature fusion foam production light weight cellular material, carry out in accordance with the following steps:
(1) according to parts by weight, by 60kg Bayer process red mud, 30kg glass powder, 5kg borax, 5kg part graphite mixes, and is ground to 250 order fineness, makes mixed powder;
(2) mixed powder is tiled in heat-resistance stainless steel mould, thickness is 20mm;
(3) heat-resistance stainless steel mould is put into shuttle kiln or roller kiln, be warming up to 1800 DEG C, keep 8min, be cooled to 1000 DEG C, keep 8min, repeat above-mentioned steps 3 times;
(4) be cooled to 900 DEG C, keep 25min, naturally cool to room temperature.
Described mould is long 600mm, wide 600mm, the rectangular box of high 250mm, has the end and all around, without upper cover, all around detachably.
Embodiment 4
Utilize a method for red mud high-temperature fusion foam production light weight cellular material, carry out in accordance with the following steps:
(1) according to parts by weight, by 60kg Bayer process red mud, 30kg glass powder, 5kg borax, 5kg ash charcoal mixes, and is ground to 250 order fineness, makes mixed powder;
(2) mixed powder is tiled in heat-resistance stainless steel mould, thickness is 20mm;
(3) heat-resistance stainless steel mould is put into shuttle kiln or roller kiln, be warming up to 1800 DEG C, keep 8min, be cooled to 1000 DEG C, keep 8min, repeat above-mentioned steps 3 times;
(4) be cooled to 900 DEG C, keep 25min, naturally cool to room temperature.
Described mould is long 600mm, wide 600mm, the rectangular box of high 250mm, has the end and all around, without upper cover, all around detachably.
Light weight cellular material radioactivity prepared by above-mentioned 4 embodiments is more as shown in table 1 with the radiativity of untreated Bayer process red mud:
Table 1
As can be seen from Table 1, the light weight cellular material of preparation all can reduce nuclear radiation, especially adds the embodiment 4 of ash charcoal, and effect is more obvious, proves adding of ash charcoal, has the function reducing this material nuclear radiation.
Claims (2)
1. utilize a method for red mud high-temperature fusion foam production light weight cellular material, it is characterized in that, carry out in accordance with the following steps:
(1) according to parts by weight, by 40-70 part Bayer process red mud, 25-45 part glass powder, 1-10 part borax, 1-10 part carbon element mixes, and is ground to 200-300 order fineness, makes mixed powder;
(2) mixed powder is tiled in heat-resistance stainless steel mould, thickness is 10-30mm;
(3) heat-resistance stainless steel mould is put into shuttle kiln or roller kiln, be warming up to 1500-2000 DEG C, keep 5-10min, be cooled to 900-1200 DEG C, keep 5-10min, repeat above-mentioned steps 2-5 time;
(4) be cooled to 800-900 DEG C, keep 20-30min, naturally cool to room temperature;
Described carbon element is ash charcoal.
2. a kind of method utilizing red mud high-temperature fusion foam production light weight cellular material according to claim 1, it is characterized in that, described mould is long 600mm, wide 600mm, the rectangular box of high 250mm, has the end and all around, without upper cover, all around detachably.
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| Application Number | Priority Date | Filing Date | Title |
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| CN201410164135.1A CN103922792B (en) | 2014-04-23 | 2014-04-23 | A kind of method utilizing red mud high-temperature fusion foam production light weight cellular material |
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| CN201410164135.1A CN103922792B (en) | 2014-04-23 | 2014-04-23 | A kind of method utilizing red mud high-temperature fusion foam production light weight cellular material |
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| CN103922792A CN103922792A (en) | 2014-07-16 |
| CN103922792B true CN103922792B (en) | 2016-03-16 |
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Families Citing this family (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106673696A (en) * | 2016-12-28 | 2017-05-17 | 中国铝业股份有限公司 | Method for producing lightweight heat preserving and insulating material from Bayer process red mud |
| CN108640521B (en) * | 2018-05-30 | 2021-04-30 | 济南大学 | Preparation method of red mud foam microcrystalline glass |
| CN110698171A (en) * | 2019-11-14 | 2020-01-17 | 济南大学 | Method for preparing red mud baked brick by using roller kiln |
| CN112266265A (en) * | 2020-10-21 | 2021-01-26 | 王勇刚 | High-temperature foaming prefabricated partition wall large plate and preparation method thereof |
Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102633426A (en) * | 2011-12-13 | 2012-08-15 | 淄博钰晶新型材料科技有限公司 | Method for producing microcrystal foam heat-insulation plate by aid of industrial red mud |
| CN102838282A (en) * | 2012-09-28 | 2012-12-26 | 刘立强 | Method for preparing high-strength foam glass by utilizing red mud and waste glass |
| CN103342465A (en) * | 2013-06-27 | 2013-10-09 | 山东建筑大学 | Method for preparing glass ceramics by utilizing composite red mud and coal ash |
| CN103626516A (en) * | 2013-12-16 | 2014-03-12 | 淮南师范学院 | Preparation method of lightweight foam heat-preservation material and product prepared from lightweight foam heat-preservation material |
Family Cites Families (1)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN102060513A (en) * | 2010-10-10 | 2011-05-18 | 桂林理工大学 | Method for preparing lower-radioactivity radiating red mud ceramic material |
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Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102633426A (en) * | 2011-12-13 | 2012-08-15 | 淄博钰晶新型材料科技有限公司 | Method for producing microcrystal foam heat-insulation plate by aid of industrial red mud |
| CN102838282A (en) * | 2012-09-28 | 2012-12-26 | 刘立强 | Method for preparing high-strength foam glass by utilizing red mud and waste glass |
| CN103342465A (en) * | 2013-06-27 | 2013-10-09 | 山东建筑大学 | Method for preparing glass ceramics by utilizing composite red mud and coal ash |
| CN103626516A (en) * | 2013-12-16 | 2014-03-12 | 淮南师范学院 | Preparation method of lightweight foam heat-preservation material and product prepared from lightweight foam heat-preservation material |
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Effective date of registration: 20191030 Address after: 215, building 4, international academician industry accelerator, No. 187, Jinshui Road, Licang District, Qingdao City, Shandong Province Patentee after: Tujin Environmental Protection Technology Co.,Ltd. Address before: 255000 hi tech Zone, Shandong, Zibo province Zibo Bardi New Material Co., Ltd. Patentee before: Yuan Limin |
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Granted publication date: 20160316 |