CN105622160A - Gold tailings aerated concrete block and manufacture method thereof - Google Patents
Gold tailings aerated concrete block and manufacture method thereof Download PDFInfo
- Publication number
- CN105622160A CN105622160A CN201610077133.8A CN201610077133A CN105622160A CN 105622160 A CN105622160 A CN 105622160A CN 201610077133 A CN201610077133 A CN 201610077133A CN 105622160 A CN105622160 A CN 105622160A
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- China
- Prior art keywords
- mine tailing
- gold mine
- cement
- building block
- calx
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Classifications
-
- C—CHEMISTRY; METALLURGY
- C04—CEMENTS; CONCRETE; ARTIFICIAL STONE; CERAMICS; REFRACTORIES
- C04B—LIME, MAGNESIA; SLAG; CEMENTS; COMPOSITIONS THEREOF, e.g. MORTARS, CONCRETE OR LIKE BUILDING MATERIALS; ARTIFICIAL STONE; CERAMICS; REFRACTORIES; TREATMENT OF NATURAL STONE
- C04B38/00—Porous mortars, concrete, artificial stone or ceramic ware; Preparation thereof
- C04B38/02—Porous mortars, concrete, artificial stone or ceramic ware; Preparation thereof by adding chemical blowing agents
-
- C—CHEMISTRY; METALLURGY
- C04—CEMENTS; CONCRETE; ARTIFICIAL STONE; CERAMICS; REFRACTORIES
- C04B—LIME, MAGNESIA; SLAG; CEMENTS; COMPOSITIONS THEREOF, e.g. MORTARS, CONCRETE OR LIKE BUILDING MATERIALS; ARTIFICIAL STONE; CERAMICS; REFRACTORIES; TREATMENT OF NATURAL STONE
- C04B18/00—Use of agglomerated or waste materials or refuse as fillers for mortars, concrete or artificial stone; Treatment of agglomerated or waste materials or refuse, specially adapted to enhance their filling properties in mortars, concrete or artificial stone
- C04B18/04—Waste materials; Refuse
- C04B18/12—Waste materials; Refuse from quarries, mining or the like
-
- C—CHEMISTRY; METALLURGY
- C04—CEMENTS; CONCRETE; ARTIFICIAL STONE; CERAMICS; REFRACTORIES
- C04B—LIME, MAGNESIA; SLAG; CEMENTS; COMPOSITIONS THEREOF, e.g. MORTARS, CONCRETE OR LIKE BUILDING MATERIALS; ARTIFICIAL STONE; CERAMICS; REFRACTORIES; TREATMENT OF NATURAL STONE
- C04B28/00—Compositions of mortars, concrete or artificial stone, containing inorganic binders or the reaction product of an inorganic and an organic binder, e.g. polycarboxylate cements
-
- C—CHEMISTRY; METALLURGY
- C04—CEMENTS; CONCRETE; ARTIFICIAL STONE; CERAMICS; REFRACTORIES
- C04B—LIME, MAGNESIA; SLAG; CEMENTS; COMPOSITIONS THEREOF, e.g. MORTARS, CONCRETE OR LIKE BUILDING MATERIALS; ARTIFICIAL STONE; CERAMICS; REFRACTORIES; TREATMENT OF NATURAL STONE
- C04B2201/00—Mortars, concrete or artificial stone characterised by specific physical values
- C04B2201/50—Mortars, concrete or artificial stone characterised by specific physical values for the mechanical strength
-
- 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
Landscapes
- Chemical & Material Sciences (AREA)
- Engineering & Computer Science (AREA)
- Ceramic Engineering (AREA)
- Structural Engineering (AREA)
- Materials Engineering (AREA)
- Organic Chemistry (AREA)
- Chemical Kinetics & Catalysis (AREA)
- General Chemical & Material Sciences (AREA)
- Inorganic Chemistry (AREA)
- Mining & Mineral Resources (AREA)
- Environmental & Geological Engineering (AREA)
- Civil Engineering (AREA)
- Curing Cements, Concrete, And Artificial Stone (AREA)
Abstract
The invention provides a gold tailings aerated concrete block, made from the materials: gold tailings, lime, cement, gypsum, aluminum powder and water. apart from the aluminum powder and water, the materials include, according to percent by weight: 65-75% of gold tailings, 15-25% of lime, 5-10% of cement and 2% of gypsum, the percent by weight of the materials adds up to 100%, the mass of the aluminum powder is 0.07% of the total mass of the gold tailings, lime, cement and gypsum, and a mass ratio of the water to the total mixture of the gold tailings, lime, cement, gypsum and aluminum powder is 0.6-0.65. The invention also provides a manufacture method of the gold tailings aerated concrete block, comprising the following steps: step one, burdening; step two, mixing and stirring; step three, pouring and standing; step four, autoclaved curing. The gold tailings aerated concrete block is free of radioactive harm and can well combine with slurry during masonry construction, solving the problems such as wall peeling.
Description
Technical field
The present invention relates to a kind of building wall material and production technology, particularly to a kind of gold mine tailing air-entrained concrete building block and manufacture method thereof.
Background technology
In the exploitation production process of gold mine, the productivity of mine tailing is up to more than 90%, if these mine tailings do not carry out comprehensive reutilization it is necessary to be discharged to Tailings Dam. So not only occupy forest land, more shorten the service life of Tailings Dam, but also need to spend substantial amounts of human and material resources, financial resources to safeguard normal production management, thus how utilizing mine tailing is a urgent problem.
Existing building wall material has clay solid brick and hollow brick, also through frequently with the autoclave aerated concrete building block being primary raw material with flyash, this autoclave aerated concrete building block exists that radioactive substance exceeds standard, raw material supply and demand are nervous, can not be combined very well with mortar in frost resistance difference and building construction, easily cause the quality accidents such as metope comes off, especially the radioactive pollution harm person is healthy, needs to be improved.
Summary of the invention
The present invention proposes a kind of gold mine tailing air-entrained concrete building block and manufacture method thereof, solves the various problems that the concrete segment that flyash in prior art is main produces.
The technical scheme is that and be achieved in that:
A kind of gold mine tailing air-entrained concrete building block, it makes raw material respectively gold mine tailing, Calx, cement, Gypsum Fibrosum, aluminium powder and water, each Ingredient percent after removing aluminium powder and water in this making raw material is respectively as follows: gold mine tailing 65%-75%, Calx 15%-25%, cement 5%-10%, Gypsum Fibrosum 2%, and the summation of mass percent is 100% shared by each composition, the quality of aluminium powder be gold mine tailing, Calx, cement and Gypsum Fibrosum gross mass 0.07%, water and gold mine tailing, Calx, cement, Gypsum Fibrosum, the total dispensing of aluminium powder mass ratio be 0.6-0.65.
Preferred version is, each Ingredient percent after removing aluminium powder and water in described gold mine tailing air-entrained concrete building block is respectively as follows: gold mine tailing 70%, Calx 20%, cement 8%, Gypsum Fibrosum 2%.
Preferred version is, each Ingredient percent after removing aluminium powder and water in described gold mine tailing air-entrained concrete building block is respectively as follows: gold mine tailing 75%, Calx 17%, cement 6%, Gypsum Fibrosum 2%.
Preferred version is, each Ingredient percent after removing aluminium powder and water in described gold mine tailing air-entrained concrete building block is respectively as follows: gold mine tailing 65%, Calx 23%, cement 10%, Gypsum Fibrosum 2%.
The manufacture method of a kind of gold mine tailing air-entrained concrete building block, comprises the steps:
The first step, dispensing: choosing the desired amount of gold mine tailing, Calx, cement and Gypsum Fibrosum in gold mine tailing air-entrained concrete building block, alternative takes aluminium powder, then it is standby to measure water;
Second step, mix and blend: a part for water and aluminium powder are mixed and made into the suspension that concentration is 5wt%, again load weighted gold mine tailing, Calx, cement and Gypsum Fibrosum are added stirring in remaining water and form uniform slurry, the slurry then aluminium powder suspension addition gold mine tailing, Calx, cement and Gypsum Fibrosum and water being mixed into is stirred for the slurry obtaining mixing;
3rd step, cast and quiet stop: the slurry mixed in step 2 is put into mould and pours into a mould, more at room temperature quiet stop maintenance 2.5h, obtain base substrate;
4th step, steam press maintenance: by quiet stop maintenance after base substrate put into still kettle and carry out steam press maintenance, the step of steam press maintenance is: first, at room temperature after evacuation 40min, makes in still kettle pressure at 0MPa��-0.06MPa; Then 8h it is incubated after being warmed up to 190 DEG C within the 1.5h time again; Last decrease temperature and pressure 1.5h so that in still kettle, pressure drops to 0MPa, has taken out the base substrate of steam press maintenance in still kettle, namely obtains gold mine tailing air-entrained concrete building block.
Preferred version is, in step 2, gold mine tailing, Calx, cement and Gypsum Fibrosum being added the mixing time forming slurry in remaining water is 3min, and the mixing time forming slurry in the slurry be mixed into aluminium powder suspension addition gold mine tailing, Calx, cement and Gypsum Fibrosum and water is 5min.
The invention have the benefit that
The golden mine tailing air-entrained concrete building block of the present invention makes gold resource of tailings be fully used, the raw material adopted is easy to get and cost is low, improve construction quality, owing to raw material adopts gold mine tailings, harm that environmental protection is "dead", building construction with slurry good combination, can solve metope and come off problem, have higher social benefit and economic benefit.
Accompanying drawing explanation
In order to be illustrated more clearly that the embodiment of the present invention or technical scheme of the prior art, the accompanying drawing used required in embodiment or description of the prior art will be briefly described below, apparently, accompanying drawing in the following describes is only some embodiments of the present invention, for those of ordinary skill in the art, under the premise not paying creative work, it is also possible to obtain other accompanying drawing according to these accompanying drawings.
Fig. 1 is the fabrication processing figure of gold mine tailing air-entrained concrete building block of the present invention.
Detailed description of the invention
Below in conjunction with the accompanying drawing in the embodiment of the present invention, the technical scheme in the embodiment of the present invention is clearly and completely described, it is clear that described embodiment is only a part of embodiment of the present invention, rather than whole embodiments. Based on the embodiment in the present invention, the every other embodiment that those of ordinary skill in the art obtain under not making creative work premise, broadly fall into the scope of protection of the invention.
In this gold mine tailing air-entrained concrete building block, each raw material that makes is respectively as follows: gold mine tailing, Calx, cement, Gypsum Fibrosum, aluminium powder and water. Each Ingredient percent after removing aluminium powder and water in this gold mine tailing air-entrained concrete building block is respectively as follows: gold mine tailing 65%-75%, Calx 15%-25%, cement 5%-10%, Gypsum Fibrosum 2%, and shared by its each composition, the summation of mass percent is 100%. The quality of aluminium powder is the 0.07% of gold mine tailing, Calx, cement and Gypsum Fibrosum gross mass. Water with gold mine tailing, Calx, cement, Gypsum Fibrosum, the total dispensing of aluminium powder mass ratio be 0.6-0.65.
As it is shown in figure 1, the manufacture method of this gold mine tailing air-entrained concrete building block, comprise the steps:
The first step, dispensing: choose gold mine tailing air-entrained concrete building block in mass percent be the golden mine tailing of 65%-75%, the Calx of 15%-25%, the cement of 5%-10%, 2% Gypsum Fibrosum, and the summation of mass percent is 100% shared by gold mine tailing, Calx, cement and each composition of Gypsum Fibrosum, alternative takes the aluminium powder accounting for gold mine tailing, Calx, cement and Gypsum Fibrosum gross weight 0.07%, then measure with gold mine tailing, Calx, cement, Gypsum Fibrosum, aluminium powder the water that total dispensing mass ratio is 0.6-0.65 standby;
Second step, mix and blend: a part for water and aluminium powder are mixed and made into the suspension that concentration is 5wt%, again load weighted gold mine tailing, Calx, cement and Gypsum Fibrosum are added remaining water stirring 3min and form uniform slurry, then slurry aluminium powder suspension addition gold mine tailing, Calx, cement and Gypsum Fibrosum and water being mixed into is stirred for 5min, obtains the slurry mixed;
3rd step, cast and quiet stop: the slurry mixed in step 2 is put into mould and pours into a mould, more at room temperature quiet stop maintenance 2.5h, obtain base substrate;
4th step, steam press maintenance: by quiet stop maintenance after base substrate put into still kettle and carry out steam press maintenance. Particularly as follows: first steam press maintenance, at room temperature after evacuation 40min, makes in still kettle pressure at 0MPa��-0.06MPa; Then 8h it is incubated after being warmed up to 190 DEG C within the 1.5h time again; Last decrease temperature and pressure 1.5h so that in still kettle, pressure drops to 0MPa, has taken out the base substrate of steam press maintenance in still kettle, namely obtains gold mine tailing air-entrained concrete building block.
This gold mine tailing air-entrained concrete building block makes gold resource of tailings be fully used, the raw material adopted is easy to get and cost is low, improve construction quality, owing to raw material adopts gold mine tailings, harm that environmental protection is "dead", building construction with slurry good combination, can solve metope and come off problem, have higher social benefit and economic benefit.
When being embodied as, the golden mine tailing air-entrained concrete building block of the present invention and preferentially embodiment of manufacture method thereof be: the mass percent of gold mine tailing, Calx, cement and Gypsum Fibrosum respectively 70%, 20%, 8% and 2%, the quality of aluminium powder be gold mine tailing, Calx, cement and Gypsum Fibrosum gross mass 0.07%, water and gold mine tailing, Calx, cement, Gypsum Fibrosum, the total dispensing of aluminium powder mass ratio be 0.62; In 4th step of its manufacture method at room temperature after evacuation 40min, making pressure in still kettle is 0MPa. The golden mine tailing air-entrained concrete building block finished product comprcssive strength meansigma methods that the present embodiment prepares is 2.5MPa.
When being embodied as, the golden mine tailing air-entrained concrete building block of the present invention and another embodiment preferentially of manufacture method thereof be: the mass percent of gold mine tailing, Calx, cement and Gypsum Fibrosum respectively 75%, 17%, 6% and 2%, the quality of aluminium powder be gold mine tailing, Calx, cement and Gypsum Fibrosum gross mass 0.07%, water and gold mine tailing, Calx, cement, Gypsum Fibrosum, the total dispensing of aluminium powder mass ratio be 0.65; In 4th step of its manufacture method at room temperature after evacuation 40min, making pressure in still kettle is 0MPa. The golden mine tailing air-entrained concrete building block finished product comprcssive strength meansigma methods that the present embodiment prepares is 2.3MPa.
When being embodied as, the golden mine tailing air-entrained concrete building block of the present invention and the further embodiment preferentially of manufacture method thereof be: the mass percent of gold mine tailing, Calx, cement and Gypsum Fibrosum respectively 65%, 23%, 10% and 2%, the quality of aluminium powder be gold mine tailing, Calx, cement and Gypsum Fibrosum gross mass 0.07%, water and gold mine tailing, Calx, cement, Gypsum Fibrosum, the total dispensing of aluminium powder mass ratio be 0.6; In 4th step of its manufacture method at room temperature after evacuation 40min, making pressure in still kettle is 0MPa. The golden mine tailing air-entrained concrete building block finished product comprcssive strength meansigma methods that the present embodiment prepares is 2.7MPa.
Each raw-material proportion relation in this gold mine tailing air-entrained concrete building block is to obtain, the golden mine tailing air-entrained concrete building block of a kind of optimal components ratio relation thus developed than through repeatedly practising empirical verification many times. This gold mine tailing air-entrained concrete building block mutually relies on and complementary between each composition, the advantage such as the golden mine tailing air-entrained concrete building block environmental protection prepared, energy-conservation, light weight, it is adaptable to multi-storey building exterior wall, frame structure infilled wall.
The foregoing is only presently preferred embodiments of the present invention, not in order to limit the present invention, all within the spirit and principles in the present invention, any amendment of making, equivalent replacement, improvement etc., should be included within protection scope of the present invention.
Claims (6)
1. a golden mine tailing air-entrained concrete building block, it is characterized in that: this gold mine tailing air-entrained concrete building block makes raw material respectively gold mine tailing, Calx, cement, Gypsum Fibrosum, aluminium powder and water, each Ingredient percent after removing aluminium powder and water in this making raw material is respectively as follows: gold mine tailing 65%-75%, Calx 15%-25%, cement 5%-10%, Gypsum Fibrosum 2%, and the summation of mass percent is 100% shared by each composition, the quality of aluminium powder is gold mine tailing, Calx, the 0.07% of cement and Gypsum Fibrosum gross mass, water and gold mine tailing, Calx, cement, Gypsum Fibrosum, the mass ratio of the total dispensing of aluminium powder is 0.6-0.65.
2. gold mine tailing air-entrained concrete building block as claimed in claim 1, it is characterised in that: each Ingredient percent after removing aluminium powder and water in described gold mine tailing air-entrained concrete building block is respectively as follows: gold mine tailing 70%, Calx 20%, cement 8%, Gypsum Fibrosum 2%.
3. gold mine tailing air-entrained concrete building block as claimed in claim 1, it is characterised in that: each Ingredient percent after removing aluminium powder and water in described gold mine tailing air-entrained concrete building block is respectively as follows: gold mine tailing 75%, Calx 17%, cement 6%, Gypsum Fibrosum 2%.
4. gold mine tailing air-entrained concrete building block as claimed in claim 1, it is characterised in that: each Ingredient percent after removing aluminium powder and water in described gold mine tailing air-entrained concrete building block is respectively as follows: gold mine tailing 65%, Calx 23%, cement 10%, Gypsum Fibrosum 2%.
5. the manufacture method of a golden mine tailing air-entrained concrete building block, it is characterised in that: this gold mine tailing air-entrained concrete building block is the golden mine tailing air-entrained concrete building block in any of the one of Claims 1-4, and its manufacture method comprises the steps:
The first step, dispensing: choosing the golden mine tailing in gold mine tailing air-entrained concrete building block, Calx, cement and Gypsum Fibrosum, alternative takes aluminium powder, then it is standby to measure water;
Second step, mix and blend: a part for water and aluminium powder are mixed and made into the suspension that concentration is 5wt%, again load weighted gold mine tailing, Calx, cement and Gypsum Fibrosum are added stirring in remaining water and form uniform slurry, the slurry then aluminium powder suspension addition gold mine tailing, Calx, cement and Gypsum Fibrosum and water being mixed into is stirred for the slurry obtaining mixing;
3rd step, cast and quiet stop: the slurry mixed in step 2 is put into mould and pours into a mould, more at room temperature quiet stop maintenance 2.5h, obtain base substrate;
4th step, steam press maintenance: by quiet stop maintenance after base substrate put into still kettle and carry out steam press maintenance, the step of steam press maintenance is: first, at room temperature after evacuation 40min, makes in still kettle pressure at 0MPa-0.06MPa; Then 8h it is incubated after being warmed up to 190 DEG C within the 1.5h time again; Last decrease temperature and pressure 1.5h so that in still kettle, pressure drops to 0MPa, has taken out the base substrate of steam press maintenance in still kettle, namely obtains gold mine tailing air-entrained concrete building block.
6. the manufacture method of gold mine tailing air-entrained concrete building block as claimed in claim 5, it is characterized in that: in step 2, gold mine tailing, Calx, cement and Gypsum Fibrosum being added the mixing time forming slurry in remaining water is 3min, the mixing time forming slurry in the slurry be mixed into aluminium powder suspension addition gold mine tailing, Calx, cement and Gypsum Fibrosum and water is 5min.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
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| CN201610077133.8A CN105622160A (en) | 2016-02-02 | 2016-02-02 | Gold tailings aerated concrete block and manufacture method thereof |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610077133.8A CN105622160A (en) | 2016-02-02 | 2016-02-02 | Gold tailings aerated concrete block and manufacture method thereof |
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| CN105622160A true CN105622160A (en) | 2016-06-01 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201610077133.8A Pending CN105622160A (en) | 2016-02-02 | 2016-02-02 | Gold tailings aerated concrete block and manufacture method thereof |
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Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107365165A (en) * | 2017-08-03 | 2017-11-21 | 东方新东实业有限公司 | A kind of gold tailings autoclave aerated concrete building block and its production technology |
| CN107602034A (en) * | 2017-09-19 | 2018-01-19 | 浙江中富建筑集团股份有限公司 | A kind of self-heat conserving sand aerated concrete block and its production technology and the exterior wall built by laying bricks or stones |
| CN109250997A (en) * | 2018-11-14 | 2019-01-22 | 三峡大学 | A kind of steam-pressing aero-concrete material and preparation method |
| CN113652925A (en) * | 2021-08-19 | 2021-11-16 | 河北建筑工程学院 | Iron tailing concrete test piece for ski-run environmental management and construction method |
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| CN1631836A (en) * | 2004-11-26 | 2005-06-29 | 栖霞鸿建新型建材有限公司 | Autoclaved aerated concrete block made of gold tailings and its production process |
| CN103964774A (en) * | 2014-05-09 | 2014-08-06 | 嵊州四明山新型建材有限公司 | Autoclaved aerated concrete block and manufacturing method thereof |
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Patent Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN1631836A (en) * | 2004-11-26 | 2005-06-29 | 栖霞鸿建新型建材有限公司 | Autoclaved aerated concrete block made of gold tailings and its production process |
| CN103964774A (en) * | 2014-05-09 | 2014-08-06 | 嵊州四明山新型建材有限公司 | Autoclaved aerated concrete block and manufacturing method thereof |
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Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107365165A (en) * | 2017-08-03 | 2017-11-21 | 东方新东实业有限公司 | A kind of gold tailings autoclave aerated concrete building block and its production technology |
| CN107602034A (en) * | 2017-09-19 | 2018-01-19 | 浙江中富建筑集团股份有限公司 | A kind of self-heat conserving sand aerated concrete block and its production technology and the exterior wall built by laying bricks or stones |
| CN107602034B (en) * | 2017-09-19 | 2020-01-21 | 浙江中富建筑集团股份有限公司 | Self-insulation sand aerated concrete block and production process thereof and built outer wall |
| CN109250997A (en) * | 2018-11-14 | 2019-01-22 | 三峡大学 | A kind of steam-pressing aero-concrete material and preparation method |
| CN113652925A (en) * | 2021-08-19 | 2021-11-16 | 河北建筑工程学院 | Iron tailing concrete test piece for ski-run environmental management and construction method |
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