CN104961444A - Method for manufacturing high-strength durable ganged bricks with waste aluminum ash - Google Patents
Method for manufacturing high-strength durable ganged bricks with waste aluminum ash Download PDFInfo
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- CN104961444A CN104961444A CN201510369673.9A CN201510369673A CN104961444A CN 104961444 A CN104961444 A CN 104961444A CN 201510369673 A CN201510369673 A CN 201510369673A CN 104961444 A CN104961444 A CN 104961444A
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- clear water
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Abstract
The invention discloses a method for manufacturing high-strength durable ganged bricks with waste aluminum ash. The method includes the following steps of material weighing, material mixing, half-dry-pressing forming and firing forming. The method for manufacturing the high-strength durable ganged bricks with the waste aluminum ash is easy to implement, the technological process is simple, operation is easy, and by using the half-dry-pressing forming technology and composite additives, energy consumption is effectively reduced; the manufactured ganged bricks have the advantages of being high in strength and moisture absorption, ventilation and heat preservation performance, excellent in comprehensive performance and durable, the use ratio of the waste aluminum ash is high, resource waste is effectively reduced, and economic benefits of an enterprise are increased.
Description
Technical field
The present invention relates to aluminium scrap ash and utilize technical field, particularly relate to a kind of method utilizing aluminium scrap ash to prepare high-strength durable clear water brick.
Background technology
By industrial solid waste residue resource and for the production of novel material, be solve the various waste materials produced in industrial production bring serious load effective means to environment at present.Aluminium ash is large, the with serious pollution industrial residue of a kind of output, is mainly derived from the aluminium smelter enterprises such as electrolytic aluminium factory, aluminium section bar plant, cast aluminium alloy factory.According to statistics, often produce 1000 tons of aluminium, the aluminium ash of about 25 tons will be produced.The bulk deposition of aluminium ash, not only causes the waste of resource, and also cause the pollution of environment, therefore, it is imperative to strengthen the comprehensive utilization of aluminium ash simultaneously.At present, aluminium ash is mainly used in the following aspects by domestic and international research institution and enterprise: 1) reclaim aluminium; 2) synthesizing efficient water treatment flocculant-polymerize aluminum chloride; 3) Tai-Ace S 150 is produced; 4) aluminium ash is used in material of construction.Aluminium ash is being used in material of construction, is mainly comprising Load materials and clear water brick, but there is the shortcomings such as intensity is low, fragility is large, easily damaged in the clear water brick of existing aluminium ash preparation.
Summary of the invention
The technical problem that the present invention mainly solves is to provide a kind of method utilizing aluminium scrap ash to prepare high-strength durable clear water brick, the weak point that the clear water brick that can solve the preparation of existing aluminium scrap ash exists.
For solving the problems of the technologies described above, the technical scheme that the present invention adopts is: provide a kind of method utilizing aluminium scrap ash to prepare high-strength durable clear water brick, comprise the steps:
(1) weighing: take aluminium scrap ash 55 ~ 60 parts, 25 ~ 30 parts, flyash, waste glass powder 20 ~ 25 parts, composite additive 5 ~ 10 parts;
(2) batch mixing: the aluminium scrap taken in step (1) ash, flyash and waste glass powder are placed in ball mill, according to material: water is the ratio Wet blend-milling 1 ~ 3h of 1:2 ~ 3, and then adds the composite additive taken, continue Wet blend-milling 20 ~ 30min;
(3) half is dry-pressing formed: in the mixture in step (2), add a certain amount of ceramic bond, after mixing, is placed on pressing machine, is pressed into the dense green of desired shape with metal die;
(4) form by a firing: the dense green obtained in step (3) is proceeded to together with mould in the kiln of the inert gas atmosphere of tape program intensification function and sinter, sintering process is: be heated to 600 ~ 800 DEG C with the temperature rise rate of 150 ~ 200 DEG C/h from room temperature, insulation 2 ~ 3h, sintered heat insulating 3 ~ 4h at 1140 DEG C again, Temperature fall is cooled to room temperature under an inert atmosphere subsequently, obtains described high-strength durable clear water brick.
In a preferred embodiment of the present invention, in described step (1), described composite additive is obtained by the raw material of following weight part: Wingdale 10 ~ 15, calcite 5 ~ 10, Fluorite slag 15 ~ 20, amblygonite 20 ~ 25, silane coupling agent 2 ~ 3, glycerine 1 ~ 2, metasilicic acid aluminium 0.5 ~ 1, latex powder 1 ~ 2.
In a preferred embodiment of the present invention, the preparation method of described composite additive is:
A, the Wingdale of formula ratio, calcite, Fluorite slag, amblygonite are added in clear water after pulverizing, stir, soaks 4 ~ 6 hours, filter, dry, obtain finished product at the beginning of complex ore powder;
B, by the complex ore powder of step a gained just finished product calcine 2 ~ 3 hours at 500 ~ 550 DEG C, taking-up is cooled to room temperature, add the silane coupling agent of formula ratio, glycerine, metasilicic acid aluminium and latex powder more wherein, add proper amount of clear water mixed grinding to even, vacuum-drying, obtains described composite additive.
In a preferred embodiment of the present invention, in described step b, the material after described grinding is 100 ~ 200 orders, and described vacuum drying condition is 120 DEG C, 10 ~ 30min.
In a preferred embodiment of the present invention, in described step (3), the consumption of described ceramic bond is 3 ~ 5% of each quality of material summation taken in step (1).
In a preferred embodiment of the present invention, in described step (3), the water ratio of described dense green is 4 ~ 7%.
The invention has the beneficial effects as follows: a kind of method utilizing aluminium scrap ash to prepare high-strength durable clear water brick of the present invention, its technological process is simple, easy and simple to handle, easily realizes, it passes through the use of half dry-pressing formed technology and composite additive, effectively reduce energy consumption, it is high that clear water brick prepared therefrom has aluminium scrap ash utilization ratio, the advantages such as product strength is high, moisture absorption, ventilative, thermal property is good, excellent combination property, durable in use, effectively reduce the wasting of resources, improve the economic benefit of enterprise.
Embodiment
Below preferred embodiment of the present invention is described in detail, can be easier to make advantages and features of the invention be readily appreciated by one skilled in the art, thus more explicit defining is made to protection scope of the present invention.
The embodiment of the present invention comprises:
Embodiment 1
Present invention is disclosed a kind of method utilizing aluminium scrap ash to prepare high-strength durable clear water brick, described high-strength durable clear water brick is obtained by following raw material: aluminium scrap ash 55, flyash 25, waste glass powder 20, composite additive 5; Wherein, described composite additive is obtained by the raw material of following weight part: Wingdale 10, calcite 10, Fluorite slag 15, amblygonite 20, silane coupling agent 2, glycerine 1, metasilicic acid aluminium 0.5, latex powder 1;
Described preparation method's concrete steps are as follows:
Prepare composite additive: a, by 10 parts, Wingdale, 10 parts, calcite, Fluorite slag 15 parts, amblygonite 20 parts, add after pulverizing in clear water, stir, soak 4 ~ 6 hours, filter, dry, obtain complex ore powder just finished product; B, by above-mentioned complex ore powder just finished product calcine 3 hours at 500 DEG C, taking-up is cooled to room temperature, add silane coupling agent 2 parts, glycerine 1 part, 0.5 part, metasilicic acid aluminium, latex powder 1 part more wherein, add proper amount of clear water mixed grinding to even, material after grinding is 100 ~ 200 orders, vacuum-drying 10min at 120 DEG C, obtains described composite additive again;
Weighing: the composite additive 5 parts taking aluminium scrap ash 55 parts, 25 parts, flyash, waste glass powder 20 parts, preparation;
Batch mixing: the aluminium scrap taken ash, flyash and waste glass powder are placed in ball mill, according to material: water is the ratio Wet blend-milling 1h of 1:2, and then adds the composite additive taken, continue Wet blend-milling 20min;
Half is dry-pressing formed: add in mixture account for each quality of material summation taken 3% ceramic bond, after mixing, be placed on pressing machine, be pressed into the dense green of desired shape with metal die; The water ratio of dense green is 4%;
Form by a firing: dense green is proceeded to together with mould in the kiln of the rare gas element argon gas atmosphere of tape program intensification function and sinter, sintering process is: be heated to 600 DEG C with the temperature rise rate of 150 DEG C/h from room temperature, insulation 3h, sintered heat insulating 3h at 1140 DEG C again, Temperature fall is cooled to room temperature under an argon atmosphere subsequently, obtains described high-strength durable clear water brick.
The performance of clear water brick prepared by aforesaid method is: water-intake rate 25%, void content 40%, folding strength 40MPa, ultimate compression strength 90MPa.
Embodiment 2
Present invention is disclosed a kind of method utilizing aluminium scrap ash to prepare high-strength durable clear water brick, described high-strength durable clear water brick is obtained by following raw material: aluminium scrap ash 60, flyash 30, waste glass powder 25, composite additive 10; Wherein, described composite additive is obtained by the raw material of following weight part: Wingdale 15, calcite 5, Fluorite slag 20, amblygonite 25, silane coupling agent 3, glycerine 2, metasilicic acid aluminium 1, latex powder 2;
Described preparation method's concrete steps are as follows:
Prepare composite additive: a, by 15 parts, Wingdale, 5 parts, calcite, Fluorite slag 20 parts, amblygonite 25 parts, add after pulverizing in clear water, stir, soak 4 ~ 6 hours, filter, dry, obtain complex ore powder just finished product; B, by above-mentioned complex ore powder just finished product calcine 2 hours at 550 DEG C, taking-up is cooled to room temperature, add silane coupling agent 3 parts, glycerine 2 parts, 1 part, metasilicic acid aluminium, latex powder 2 parts more wherein, add proper amount of clear water mixed grinding to even, material after grinding is 100 ~ 200 orders, vacuum-drying 30min at 120 DEG C, obtains described composite additive again;
Weighing: take aluminium scrap ash 60 parts, 30 parts, flyash, waste glass powder 25 parts, composite additive 10 parts;
(2) batch mixing: the aluminium scrap taken ash, flyash and waste glass powder are placed in ball mill, according to material: water is the ratio Wet blend-milling 3h of 1:3, and then adds the composite additive taken, continue Wet blend-milling 20 ~ 30min;
Half is dry-pressing formed: add in mixture account for each quality of material summation taken 5% ceramic bond, after mixing, be placed on pressing machine, be pressed into the dense green of desired shape with metal die; The water ratio of dense green is 7%;
Form by a firing: the dense green obtained in step (3) is proceeded to together with mould in the kiln of the rare gas element argon gas atmosphere of tape program intensification function and sinter, sintering process is: be heated to 800 DEG C with the temperature rise rate of 200 DEG C/h from room temperature, insulation 2h, sintered heat insulating 4h at 1140 DEG C again, Temperature fall is cooled to room temperature under an argon atmosphere subsequently, obtains described high-strength durable clear water brick.
The performance of clear water brick prepared by aforesaid method is: water-intake rate 30%, void content 50%, folding strength 50MPa, ultimate compression strength 100MPa.
The foregoing is only embodiments of the invention; not thereby the scope of the claims of the present invention is limited; every utilize description of the present invention to do equivalent structure or equivalent flow process conversion; or be directly or indirectly used in other relevant technical fields, be all in like manner included in scope of patent protection of the present invention.
Claims (6)
1. utilize aluminium scrap ash to prepare a method for high-strength durable clear water brick, it is characterized in that, comprise the steps:
(1) weighing: take aluminium scrap ash 55 ~ 60 parts, 25 ~ 30 parts, flyash, waste glass powder 20 ~ 25 parts, composite additive 5 ~ 10 parts;
(2) batch mixing: the aluminium scrap taken in step (1) ash, flyash and waste glass powder are placed in ball mill, according to material: water is the ratio Wet blend-milling 1 ~ 3h of 1:2 ~ 3, and then adds the composite additive taken, continue Wet blend-milling 20 ~ 30min;
(3) half is dry-pressing formed: in the mixture in step (2), add a certain amount of ceramic bond, after mixing, is placed on pressing machine, is pressed into the dense green of desired shape with metal die;
(4) form by a firing: the dense green obtained in step (3) is proceeded to together with mould in the kiln of the inert gas atmosphere of tape program intensification function and sinter, sintering process is: be heated to 600 ~ 800 DEG C with the temperature rise rate of 150 ~ 200 DEG C/h from room temperature, insulation 2 ~ 3h, sintered heat insulating 3 ~ 4h at 1140 DEG C again, Temperature fall is cooled to room temperature under an inert atmosphere subsequently, obtains described high-strength durable clear water brick.
2. a kind of method utilizing aluminium scrap ash to prepare high-strength durable clear water brick according to claim 1, it is characterized in that, in described step (1), described composite additive is obtained by the raw material of following weight part: Wingdale 10 ~ 15, calcite 5 ~ 10, Fluorite slag 15 ~ 20, amblygonite 20 ~ 25, silane coupling agent 2 ~ 3, glycerine 1 ~ 2, metasilicic acid aluminium 0.5 ~ 1, latex powder 1 ~ 2.
3. a kind of method utilizing the high-strength durable clear water brick of aluminium scrap ash preparation according to claim 2, it is characterized in that, the preparation method of described composite additive is:
A, the Wingdale of formula ratio, calcite, Fluorite slag, amblygonite are added in clear water after pulverizing, stir, soaks 4 ~ 6 hours, filter, dry, obtain finished product at the beginning of complex ore powder;
B, by the complex ore powder of step a gained just finished product calcine 2 ~ 3 hours at 500 ~ 550 DEG C, taking-up is cooled to room temperature, add the silane coupling agent of formula ratio, glycerine, metasilicic acid aluminium and latex powder more wherein, add proper amount of clear water mixed grinding to even, vacuum-drying, obtains described composite additive.
4. a kind of preparation method utilizing the high-strength durable clear water brick of aluminium scrap ash preparation according to claim 3, it is characterized in that, in described step b, the material after described grinding is 100 ~ 200 orders, and described vacuum drying condition is 120 DEG C, 10 ~ 30min.
5. a kind of method utilizing aluminium scrap ash to prepare high-strength durable clear water brick according to claim 1, it is characterized in that, in described step (3), the consumption of described ceramic bond is 3 ~ 5% of each quality of material summation taken in step (1).
6. a kind of method utilizing aluminium scrap ash to prepare high-strength durable clear water brick according to claim 1, it is characterized in that, in described step (3), the water ratio of described dense green is 4 ~ 7%.
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Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2017017304A1 (en) * | 2015-07-28 | 2017-02-02 | Consejo Superior De Investigaciones Científicas (Csic) | Method for obtaining calcium aluminates from non-saline aluminium slags |
| CN107540343A (en) * | 2017-09-26 | 2018-01-05 | 太湖县光华铝业有限公司 | The method that paving brick is prepared with aluminium scrap ash |
| CN114085068A (en) * | 2021-12-15 | 2022-02-25 | 武汉大学(肇庆)资源与环境技术研究院 | Aluminum ash light brick and preparation method thereof |
| CN114656273A (en) * | 2022-02-25 | 2022-06-24 | 苏州大学 | Mullite porous ceramic prepared by using secondary aluminum ash and process method thereof |
| CN115368114A (en) * | 2022-06-29 | 2022-11-22 | 淄博天之润生态科技有限公司 | Aluminum ash brick production formula |
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| JPH09315868A (en) * | 1996-05-28 | 1997-12-09 | Tokuyama Corp | Production of aluminum nitride green body |
| CN102515818A (en) * | 2011-11-22 | 2012-06-27 | 中国铝业股份有限公司 | Method for producing ganged brick by utilizing red mud and bauxite tailings |
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| JPH09315868A (en) * | 1996-05-28 | 1997-12-09 | Tokuyama Corp | Production of aluminum nitride green body |
| CN102515818A (en) * | 2011-11-22 | 2012-06-27 | 中国铝业股份有限公司 | Method for producing ganged brick by utilizing red mud and bauxite tailings |
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Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2017017304A1 (en) * | 2015-07-28 | 2017-02-02 | Consejo Superior De Investigaciones Científicas (Csic) | Method for obtaining calcium aluminates from non-saline aluminium slags |
| US10858261B2 (en) | 2015-07-28 | 2020-12-08 | Arzyz, S.A. De C.V. | Method for obtaining calcium aluminates from non-saline aluminum slags |
| CN107540343A (en) * | 2017-09-26 | 2018-01-05 | 太湖县光华铝业有限公司 | The method that paving brick is prepared with aluminium scrap ash |
| CN114085068A (en) * | 2021-12-15 | 2022-02-25 | 武汉大学(肇庆)资源与环境技术研究院 | Aluminum ash light brick and preparation method thereof |
| CN114656273A (en) * | 2022-02-25 | 2022-06-24 | 苏州大学 | Mullite porous ceramic prepared by using secondary aluminum ash and process method thereof |
| CN115368114A (en) * | 2022-06-29 | 2022-11-22 | 淄博天之润生态科技有限公司 | Aluminum ash brick production formula |
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Application publication date: 20151007 |