CN107244838A - A kind of coal gangue slag composite block and preparation method thereof - Google Patents
A kind of coal gangue slag composite block and preparation method thereof Download PDFInfo
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- CN107244838A CN107244838A CN201710293324.2A CN201710293324A CN107244838A CN 107244838 A CN107244838 A CN 107244838A CN 201710293324 A CN201710293324 A CN 201710293324A CN 107244838 A CN107244838 A CN 107244838A
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- Prior art keywords
- parts
- slag
- coal gangue
- composite block
- gangue
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Classifications
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- 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
- C04B28/006—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 containing mineral polymers, e.g. geopolymers of the Davidovits type
-
- 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
- C04B2111/00—Mortars, concrete or artificial stone or mixtures to prepare them, characterised by specific function, property or use
- C04B2111/20—Resistance against chemical, physical or biological attack
- C04B2111/28—Fire resistance, i.e. materials resistant to accidental fires or high temperatures
- C04B2111/285—Intumescent materials
-
- 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
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- Chemical & Material Sciences (AREA)
- Ceramic Engineering (AREA)
- Engineering & Computer Science (AREA)
- Geochemistry & Mineralogy (AREA)
- Geology (AREA)
- Life Sciences & Earth Sciences (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Inorganic Chemistry (AREA)
- General Life Sciences & Earth Sciences (AREA)
- Environmental & Geological Engineering (AREA)
- Materials Engineering (AREA)
- Structural Engineering (AREA)
- Organic Chemistry (AREA)
- Curing Cements, Concrete, And Artificial Stone (AREA)
Abstract
The invention discloses a kind of coal gangue slag composite block and preparation method thereof.It is made up of the raw material of following parts by weight：50 90 parts of gangue, 100 300 parts of slag, 15 28 parts of mine tailing, 58 parts of alkali-activator, 15 parts of foaming agent, 13 parts of string, 25 50 parts of water.The coal gangue slag composite block of the present invention, the raw material for preparing building block, cheap, wide material sources are used as using gangue and slag, the building block of preparation has antidetonation fire-protection rating high, good heat insulating, light weight, shock resistance is high, toughness is strong, shrinkage factor is low, and resisting carbonization is strong, the features such as good endurance.
Description
Technical field
The invention belongs to construction material preparing technical field, and in particular to a kind of coal gangue slag composite block and its preparation
Method.
Background technology
Building block is the artificial bulk built by laying bricks or stones, is a kind of novel wall material, and profile is generally right angle hexahedron, is also had various
Special-shaped building block.In building block series the length of main specifications, width or height have one or more than one respectively more than 365mm,
240mm or 115mm, but segment heights are generally no greater than 6 times of length or width, 3 times of of length no more than height.
With the acceleration of urbanization process, large quantities of old buildings are removed, discarded brick, and armored concrete fragment etc. is built
The social topics for being treated as increasingly meriting attention of building refuse.If but simple landfill, not only influence urban environment, waste soil
Ground resource, can also cause the waste of the huge energy and resource, and preparing new type block using building waste can not only effectively be handled
Rubbish, also complies with the demand for development of current construction material.
Patent 201210412658.4 discloses a kind of building block, including skeleton and core body, the synchronous mould of the skeleton and core body
It is moulded into type；The skeleton includes the following materials for accounting for skeleton total weight percent：Cement 25~45%, light-weight aggregate 25~45%,
Basalt building stones 10~20%, mineral powder 8~15%, string 10~20 and additive 1~2；The core body includes accounting for
The following materials of core body total weight percent：Cement 25~45%, Ultralight particulate material 25~45%, mineral powder 15~25%
With foaming agent 5~15%.The building block is although lightweight, still, and intensity is not high, and material used is more expensive, prepares cost high.
The content of the invention
The present invention is in view of the shortcomings of the prior art, it is proposed that a kind of coal gangue slag composite block and preparation method thereof.
A kind of coal gangue slag composite block, is made up of the raw material of following parts by weight：50-90 parts of gangue, slag
100-300 parts, 15-28 parts of mine tailing, 5-8 parts of alkali-activator, 1-5 parts of foaming agent, 1-3 parts of string, 25-50 parts of water.
The building waste is waste concrete, and give up brick, waste marble, the one or more in dregs.
The mine tailing is iron tailings, copper tailing, aluminium mine tailing, molybdic tailing, the one or more in phosphorus mine tailing.
The alkali-activator is sodium hydroxide, lime, sodium silicate, saltcake, the one or more in soda ash.
The foaming agent is neopelex, cocounut oil acyl diethanol amine, APES, in hydrogen peroxide
One or more.
The string is bark fiber, ramee, hemp, sisal fiber, one kind in abutilon fibre or
More than one.
The preparation method of above-mentioned coal gangue slag composite block, is carried out in accordance with the following steps：
(1) according to parts by weight, 50-90 parts of gangue is taken, 100-300 parts of slag is crushed to 25-50 mesh；
(2) by 50-90 parts of gangue after crushing, 100-300 parts of slag, 15-8 parts of mine tailing, alkali-activator 5-8
In part, 1-5 parts of foaming agent, 1-3 parts of string, 25-50 parts of addition mixers of water, stirring mixing 15-20 minutes；
(3) foamed in the slurry injection mould that stirring is mixed, foaming process is 15-20 minutes；
(4) stood under field conditions (factors) after the completion of injection molding 10-24 hours carry out initial curing, maintenance complete the demoulding after according to
The specification needed is cut；
(5) it is 20-30 DEG C that neat rear temperature of placing is piled up in the building block cut, in relative humidity 85-95% curing kilns
Maintenance 45-85 hours.
Beneficial effects of the present invention：The coal gangue slag composite block of the present invention, preparation is used as using gangue and slag
The raw material of building block, cheap, wide material sources, the building block of preparation has antidetonation fire-protection rating high, good heat insulating, quality
Gently, shock resistance is high, and toughness is strong, and shrinkage factor is low, and resisting carbonization is strong, the features such as good endurance.
Embodiment
Below by specific embodiment, the present invention will be further described.
Embodiment 1
A kind of coal gangue slag composite block, is made up of the raw material of following parts by weight：70 parts of gangue, 200 parts of slag,
10 parts of iron tailings, 10 parts of copper tailing, 7 parts of sodium hydroxide, 3 parts of neopelex, 2 parts of bark fiber, 40 parts of water.
The preparation method of above-mentioned coal gangue slag composite block, is carried out in accordance with the following steps：
(1) according to parts by weight, 70 parts of gangue is taken, 200 parts of slag is crushed to 25-50 mesh；
(2) by 70 parts of gangue after crushing, 200 parts of slag, 10 parts of iron tailings, 10 parts of copper tailing, 7 parts of sodium hydroxide,
In 3 parts of neopelex, 2 parts of bark fiber, 40 parts of addition mixers of water, stirring mixing 18 minutes；
(3) foamed in the slurry injection mould that stirring is mixed, foaming process is 18 minutes；
(4) stood under field conditions (factors) after the completion of injection molding 18 hours carry out initial curing, maintenance complete the demoulding after according to need
The specification wanted is cut；
(5) it is 25 DEG C that neat rear temperature of placing is piled up in the building block cut, and 60 are conserved in the curing kilns of relative humidity 90%
Hour.
Building block rupture strength manufactured in the present embodiment：25MPa；Shock resistance：≥10KJ/m2；Weather resistance is excellent, prevents
Fire is fire-retardant.
Embodiment 2
A kind of coal gangue slag composite block, is made up of the raw material of following parts by weight：50 parts of gangue, 100 parts of slag,
28 parts of molybdic tailing, 8 parts of lime, 5 parts of cocounut oil acyl diethanol amine, 3 parts of ramee, 50 parts of water.
The preparation method of above-mentioned coal gangue slag composite block, is carried out in accordance with the following steps：
(1) according to parts by weight, 50 parts of gangue is taken, 100 parts of slag is crushed to 25-50 mesh；
(2) by 50 parts of gangue after crushing, 100 parts of slag, 28 parts of molybdic tailing, 8 parts of lime, cocounut oil acyl diethanol amine 5
In part, 3 parts of ramee, 50 parts of addition mixers of water, stirring mixing 20 minutes；
(3) foamed in the slurry injection mould that stirring is mixed, foaming process is 20 minutes；
(4) stood under field conditions (factors) after the completion of injection molding 24 hours carry out initial curing, maintenance complete the demoulding after according to need
The specification wanted is cut；
(5) it is 30 DEG C that neat rear temperature of placing is piled up in the building block cut, and 85 are conserved in the curing kilns of relative humidity 95%
Hour.
Building block rupture strength manufactured in the present embodiment：23MPa；Shock resistance：≥10KJ/m2；Weather resistance is excellent, prevents
Fire is fire-retardant.
Embodiment 3
A kind of coal gangue slag composite block, is made up of the raw material of following parts by weight：90 parts of gangue, 300 parts of slag,
15 parts of aluminium mine tailing, 5 parts of sodium silicate, 1 part of APES, 1 part of hemp, 25 parts of water.
The preparation method of above-mentioned coal gangue slag composite block, is carried out in accordance with the following steps：
(1) according to parts by weight, 90 parts of gangue is taken, 300 parts of slag is crushed to 25-50 mesh；
(2) by 90 parts of gangue after crushing, 300 parts of slag, 15 parts of aluminium mine tailing, 5 parts of sodium silicate, alkyl phenol polyoxy second
In 1 part of alkene ether, 1 part of hemp, 25 parts of addition mixers of water, stirring mixing 15 minutes；
(3) foamed in the slurry injection mould that stirring is mixed, foaming process is 15 minutes；
(4) stood under field conditions (factors) after the completion of injection molding 10 hours carry out initial curing, maintenance complete the demoulding after according to need
The specification wanted is cut；
(5) it is 20 DEG C that neat rear temperature of placing is piled up in the building block cut, and 45 are conserved in the curing kilns of relative humidity 85%
Hour.
Building block rupture strength manufactured in the present embodiment：23MPa；Shock resistance：≥10KJ/m2；Weather resistance is excellent, prevents
Fire is fire-retardant.
Embodiment 4
A kind of coal gangue slag composite block, is made up of the raw material of following parts by weight：55 parts of gangue, 180 parts of slag,
18 parts of phosphorus mine tailing, 6 parts of saltcake, 2 parts of hydrogen peroxide, 3 parts of sisal fiber, 35 parts of water.
The preparation method of above-mentioned coal gangue slag composite block, is carried out in accordance with the following steps：
(1) according to parts by weight, 55 parts of gangue is taken, 180 parts of slag is crushed to 25-50 mesh；
(2) by 55 parts of gangue after crushing, 180 parts of slag, 18 parts of phosphorus mine tailing, 6 parts of saltcake, 2 parts of hydrogen peroxide, sisal hemp is fine
In 3 parts of dimension, 35 parts of addition mixers of water, stirring mixing 18 minutes；
(3) foamed in the slurry injection mould that stirring is mixed, foaming process is 18 minutes；
(4) stood under field conditions (factors) after the completion of injection molding 16 hours carry out initial curing, maintenance complete the demoulding after according to need
The specification wanted is cut；
(5) it is 22 DEG C that neat rear temperature of placing is piled up in the building block cut, and 60 are conserved in the curing kilns of relative humidity 87%
Hour.
Building block rupture strength manufactured in the present embodiment：22MPa；Shock resistance：≥10KJ/m2；Weather resistance is excellent, prevents
Fire is fire-retardant.
Embodiment 5
A kind of coal gangue slag composite block, is made up of the raw material of following parts by weight：70 parts of gangue, 200 parts of slag,
10 parts of iron tailings, 10 parts of copper tailing, piece 10 parts of stone flour of fiber crops, 7 parts of sodium hydroxide, 3 parts of neopelex, bark fiber 2
Part, 40 parts of water.
The preparation method of above-mentioned coal gangue slag composite block, is carried out in accordance with the following steps：
(1) according to parts by weight, 70 parts of gangue is taken, 200 parts of slag is crushed to 25-50 mesh；
(2) by 70 parts of gangue after crushing, 200 parts of slag, piece 10 parts of stone flour of fiber crops, 10 parts of iron tailings, 10 parts of copper tailing,
In 7 parts of sodium hydroxide, 3 parts of neopelex, 2 parts of bark fiber, 40 parts of addition mixers of water, 18 points of stirring mixing
Clock；
(3) foamed in the slurry injection mould that stirring is mixed, foaming process is 18 minutes；
(4) stood under field conditions (factors) after the completion of injection molding 18 hours carry out initial curing, maintenance complete the demoulding after according to need
The specification wanted is cut；
(5) it is 25 DEG C that neat rear temperature of placing is piled up in the building block cut, and 60 are conserved in the curing kilns of relative humidity 90%
Hour.
Building block rupture strength manufactured in the present embodiment：30MPa；Shock resistance：≥10KJ/m2；Weather resistance is excellent, prevents
Fire is fire-retardant.
Embodiment 6
A kind of coal gangue slag composite block, is made up of the raw material of following parts by weight：50 parts of gangue, 100 parts of slag,
28 parts of molybdic tailing, 8 parts of lime, 5 parts of cocounut oil acyl diethanol amine, 3 parts of red bauxite, 3 parts of ramee, 50 parts of water.
The preparation method of above-mentioned coal gangue slag composite block, is carried out in accordance with the following steps：
(1) according to parts by weight, 50 parts of gangue is taken, 100 parts of slag is crushed to 25-50 mesh；
(2) by 50 parts of gangue after crushing, 100 parts of slag, 28 parts of molybdic tailing, 3 parts of red bauxite, 8 parts of lime, cocounut oil acyl
In 5 parts of diethanol amine, 3 parts of ramee, 50 parts of addition mixers of water, stirring mixing 20 minutes；
(3) foamed in the slurry injection mould that stirring is mixed, foaming process is 20 minutes；
(4) stood under field conditions (factors) after the completion of injection molding 24 hours carry out initial curing, maintenance complete the demoulding after according to need
The specification wanted is cut；
(5) it is 30 DEG C that neat rear temperature of placing is piled up in the building block cut, and 85 are conserved in the curing kilns of relative humidity 95%
Hour.
Building block rupture strength manufactured in the present embodiment：31MPa；Shock resistance：≥10KJ/m2；Weather resistance is excellent, prevents
Fire is fire-retardant.
Claims (7)
1. a kind of coal gangue slag composite block, it is characterised in that be made up of the raw material of following parts by weight：Gangue 50-90
Part, 100-300 parts of slag, 15-28 parts of mine tailing, 5-8 parts of alkali-activator, 1-5 parts of foaming agent, 1-3 parts of string, water
25-50 parts.
2. coal gangue slag composite block according to claim 1, it is characterised in that the building waste is waste concrete,
One or more in useless brick, waste marble, dregs.
3. coal gangue slag composite block according to claim 1, it is characterised in that the mine tailing is iron tailings, copper tail
One or more in ore deposit, aluminium mine tailing, molybdic tailing, phosphorus mine tailing.
4. coal gangue slag composite block according to claim 1, it is characterised in that the alkali-activator is hydroxide
One or more in sodium, lime, sodium silicate, saltcake, soda ash.
5. coal gangue slag composite block according to claim 1, it is characterised in that the foaming agent is detergent alkylate sulphur
One or more in sour sodium, cocounut oil acyl diethanol amine, APES, hydrogen peroxide.
6. coal gangue slag composite block according to claim 1, it is characterised in that the string is bark fiber,
One or more in ramee, hemp, sisal fiber, abutilon fibre.
7. the preparation method of coal gangue slag composite block described in claim 1, it is characterised in that carry out in accordance with the following steps：
(1) according to parts by weight, 50-90 parts of gangue is taken, 100-300 parts of slag is crushed to 25-50 mesh；
(2) by 50-90 parts of gangue after crushing, 100-300 parts of slag, 15-8 parts of mine tailing, 5-8 parts of alkali-activator, hair
In 1-5 parts of infusion, 1-3 parts of string, 25-50 parts of addition mixers of water, stirring mixing 15-20 minutes；
(3) foamed in the slurry injection mould that stirring is mixed, foaming process is 15-20 minutes；
(4) 10-24 hours are stood after the completion of injection molding under field conditions (factors) and carries out initial curing, maintenance is completed after the demoulding as required
Specification cut；
(5) it is 20-30 DEG C that neat rear temperature of placing is piled up in the building block cut, and is conserved in relative humidity 85-95% curing kilns
45-85 hours.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710293324.2A CN107244838A (en) | 2017-04-28 | 2017-04-28 | A kind of coal gangue slag composite block and preparation method thereof |
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| Application Number | Priority Date | Filing Date | Title |
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| CN201710293324.2A CN107244838A (en) | 2017-04-28 | 2017-04-28 | A kind of coal gangue slag composite block and preparation method thereof |
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| CN107244838A true CN107244838A (en) | 2017-10-13 |
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| CN201710293324.2A Pending CN107244838A (en) | 2017-04-28 | 2017-04-28 | A kind of coal gangue slag composite block and preparation method thereof |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111018423A (en) * | 2019-12-30 | 2020-04-17 | 长安大学 | Coal gangue-based composite geopolymer grouting filling material and preparation method thereof |
| CN111995381A (en) * | 2020-09-04 | 2020-11-27 | 湖州市练市合力建材有限公司 | Permeable cement brick |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102093011A (en) * | 2010-11-29 | 2011-06-15 | 司密花 | Burning-free block brick prepared from bulky industrial waste residues |
| CN102633476A (en) * | 2012-05-09 | 2012-08-15 | 中国建筑设计研究院 | Building block material produced by vegetable fiber, industrial ash slag and concrete and production process thereof |
| CN103787639A (en) * | 2012-11-01 | 2014-05-14 | 广西启利新材料科技股份有限公司 | Thermal-insulating block for building wall and preparation method thereof |
| CN106167378A (en) * | 2016-08-10 | 2016-11-30 | 卓达新材料科技集团威海股份有限公司 | A kind of gangue building waste is non-burning brick and preparation method thereof |
-
2017
- 2017-04-28 CN CN201710293324.2A patent/CN107244838A/en active Pending
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102093011A (en) * | 2010-11-29 | 2011-06-15 | 司密花 | Burning-free block brick prepared from bulky industrial waste residues |
| CN102633476A (en) * | 2012-05-09 | 2012-08-15 | 中国建筑设计研究院 | Building block material produced by vegetable fiber, industrial ash slag and concrete and production process thereof |
| CN103787639A (en) * | 2012-11-01 | 2014-05-14 | 广西启利新材料科技股份有限公司 | Thermal-insulating block for building wall and preparation method thereof |
| CN106167378A (en) * | 2016-08-10 | 2016-11-30 | 卓达新材料科技集团威海股份有限公司 | A kind of gangue building waste is non-burning brick and preparation method thereof |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111018423A (en) * | 2019-12-30 | 2020-04-17 | 长安大学 | Coal gangue-based composite geopolymer grouting filling material and preparation method thereof |
| CN111995381A (en) * | 2020-09-04 | 2020-11-27 | 湖州市练市合力建材有限公司 | Permeable cement brick |
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