CN108975779A - A kind of environmental protection coal ash heat-preservation brick - Google Patents
A kind of environmental protection coal ash heat-preservation brick Download PDFInfo
- Publication number
- CN108975779A CN108975779A CN201810730086.1A CN201810730086A CN108975779A CN 108975779 A CN108975779 A CN 108975779A CN 201810730086 A CN201810730086 A CN 201810730086A CN 108975779 A CN108975779 A CN 108975779A
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- Prior art keywords
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- antibacterial agent
- coal ash
- efficient antibacterial
- polyethylene glycol
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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
-
- 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
- C04B18/02—Agglomerated materials, e.g. artificial aggregates
- C04B18/022—Agglomerated materials, e.g. artificial aggregates agglomerated by an organic binder
-
- 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
- C04B18/02—Agglomerated materials, e.g. artificial aggregates
- C04B18/023—Fired or melted 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
- 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
- C04B2111/2092—Resistance against biological degradation
-
- 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
- C04B2201/30—Mortars, concrete or artificial stone characterised by specific physical values for heat transfer properties such as thermal insulation values, e.g. R-values
- C04B2201/32—Mortars, concrete or artificial stone characterised by specific physical values for heat transfer properties such as thermal insulation values, e.g. R-values for the thermal conductivity, e.g. K-factors
-
- 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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- Engineering & Computer Science (AREA)
- Chemical & Material Sciences (AREA)
- Ceramic Engineering (AREA)
- Civil Engineering (AREA)
- Materials Engineering (AREA)
- Structural Engineering (AREA)
- Organic Chemistry (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Inorganic Chemistry (AREA)
- Agricultural Chemicals And Associated Chemicals (AREA)
Abstract
The invention discloses a kind of environmentally friendly coal ash heat-preservation bricks, its raw material includes: 30-60 parts of blast-furnace cinder, 120-200 parts of cement, 1-5 parts of diatomite by weight, 12-20 parts of calcium sulfate crystal whiskers, 1-3 parts of powdered whiting, 6-18 parts of filler, 1-3 parts of polyurethane resin, organic amine alcohol 1-2 parts, 60-70 parts of resistance to compression reinforcing agent, 0.2-1.2 parts of sodium bicarbonate, 100-300 parts of water.Resistance to compression reinforcing agent includes: 23-45 parts of high-efficient antibacterial agent, 20-50 parts of flyash, 10-18 parts of calcined kaolin, 1-10 parts of weathered coal, 3-11 parts of vermiculite power by weight.High-efficient antibacterial agent is prepared using following technique: silicic acid zinc powder, Aqueous Solutions of Polyethylene Glycol being stirred, copper/saturated copper sulphate solution is added under stirring, continues to stir, is filtered, washing, it is dry, it is sent into Muffle furnace and heats, heat preservation, cooling are added polyethylene glycol and are granulated to obtain high-efficient antibacterial agent.
Description
Technical field
The present invention relates to insulating brick technical field more particularly to a kind of environmentally friendly coal ash heat-preservation bricks.
Background technique
Flyash is the fine ash that catching is got off from the flue gas after coal combustion, and flyash is also the main of coal-burning power plant's discharge
Solid waste is one of biggish industrial residue of the current discharge capacity in China, with the development of power industry, the flyash of coal-burning power plant
Discharge amount increases year by year.A large amount of flyash is untreated, will generate fugitive dust, pollutes atmosphere；If being discharged into water system will cause river
Stream silts up, and toxic chemical substance therein can also cause damages to human body and biology.If using coal ash for manufacturing for wall thermal insulating
In brick, flyash can be not only effectively treated, reduce cost, and recoverable, but brick body there are hardness low, antibacterial
Property difference problem.
Summary of the invention
Technical problems based on background technology, the invention proposes a kind of environmentally friendly coal ash heat-preservation bricks, and hardness is high, resists
Bacterium performance is good, and at low cost, can be recycled and recycles.
A kind of environmentally friendly coal ash heat-preservation brick proposed by the present invention, raw material includes: 30-60 parts of blast-furnace cinder by weight,
120-200 parts of cement, 1-5 parts of diatomite, 12-20 parts of calcium sulfate crystal whiskers, 1-3 parts of powdered whiting, 6-18 parts of filler, poly- ammonia
1-3 parts of ester resin, organic amine alcohol 1-2 parts, 60-70 parts of resistance to compression reinforcing agent, 0.2-1.2 parts of sodium bicarbonate, 100-300 parts of water.
Preferably, filler includes: 4-10 parts of gravel, 2-8 parts of talcum powder by weight.
Preferably, resistance to compression reinforcing agent includes: 23-45 parts of high-efficient antibacterial agent by weight, and 20-50 parts of flyash, calcining is high
Soil 10-18 parts of ridge, 1-10 parts of weathered coal, 3-11 parts of vermiculite power.
Preferably, high-efficient antibacterial agent is prepared using following technique: silicic acid zinc powder, Aqueous Solutions of Polyethylene Glycol being stirred, stirred
Addition copper/saturated copper sulphate solution under state is mixed, continues to stir, is filtered, is washed, it is dry, it is sent into Muffle furnace and heats, keep the temperature, drop
Temperature is added polyethylene glycol and is granulated to obtain high-efficient antibacterial agent.
Preferably, in the preparation process of high-efficient antibacterial agent, drying temperature is 82-90 DEG C.
Preferably, it in the preparation process of high-efficient antibacterial agent, is sent into Muffle furnace from room temperature and is heated to 820-900 DEG C, heat preservation
1-4h is cooled to 82-91 DEG C.
Preferably, in the preparation process of high-efficient antibacterial agent, silicic acid zinc powder, Aqueous Solutions of Polyethylene Glycol, copper/saturated copper sulphate are molten
Liquid, polyethylene glycol weight ratio be 18-24:80-100:1.5-2.1:4-12, the concentration of Aqueous Solutions of Polyethylene Glycol is 1.2-
1.9mol/L。
The present invention greatly reduces cost input as main material using weathered coal, but intensity is low, and high-efficient antibacterial agent
It is compounded with weathered coal, mechanical property is good, and hardness is high, effectively enhances intensity of the invention, high-efficient antibacterial agent and flyash, calcining height
The mutual degree of scatter of ridge soil, weathered coal, vermiculite power is high, and compression strength is high, and heat insulation effect is good；Add organic amine alcohol, cement
Compounding develops early strength of the invention fast, effectively improves uniformity, the cohesion of mixture, compound with polyurethane resin,
So that between each raw material have preferable compatibility, and the hydroxyl on organic amine alcohol its surface under the action of sodium bicarbonate can with it is efficient
The bonding of antibacterial agent surface-active, can effectively improve flexural strength of the invention, and thermal coefficient is low, heat insulation effect is fabulous.
In high-efficient antibacterial agent of the invention, silicic acid zinc powder is dispersed in Aqueous Solutions of Polyethylene Glycol, is introduced by displacement method
Copper oxide is simultaneously evenly distributed in system, and in sintering process, the base matter of copper oxide and zinc silicate forms eutectic, can soak
Moisten solid particle, solid particle close to each other, acceleration of sintering, not only hardness under the action of liquid phase generates huge capillary force
It is high, and anti-microbial property is excellent, durable antibacterial effect.
Specific embodiment
In the following, technical solution of the present invention is described in detail by specific embodiment.
Embodiment 1
A kind of environmental protection coal ash heat-preservation brick, raw material includes: blast-furnace cinder 30kg, cement 200kg, diatomite 1kg, sulfuric acid
Calcium pyroborate 20kg, powdered whiting 1kg, filler 18kg, polyurethane resin 1kg, organic amine alcohol 2kg, resistance to compression reinforcing agent 60kg,
Sodium bicarbonate 1.2kg, water 100kg.
Filler is made of by weight for 10:2 gravel, talcum powder；Resistance to compression reinforcing agent by high-efficient antibacterial agent, flyash,
Calcined kaolin, weathered coal, vermiculite power are 45:20:18:1:11 by weight.
High-efficient antibacterial agent uses following technique to prepare: by 18kg silicic acid zinc powder, 100kg concentration for the poly- second two of 1.2mol/L
Alcohol solution stirs 40min, mixing speed 50r/min, and 2.1kg copper/saturated copper sulphate solution is added under stirring, continues to stir
2min is mixed, is filtered, washing, 90 DEG C of dryings are sent into Muffle furnace and are heated to 820 DEG C from room temperature, keep the temperature 4h, are cooled to 82 DEG C, add
Enter 12kg polyethylene glycol to be granulated to obtain high-efficient antibacterial agent.
Embodiment 2
A kind of environmental protection coal ash heat-preservation brick, raw material includes: blast-furnace cinder 60kg, cement 120kg, diatomite 5kg, sulfuric acid
Calcium pyroborate 12kg, powdered whiting 3kg, filler 6kg, polyurethane resin 3kg, organic amine alcohol 1kg, resistance to compression reinforcing agent 70kg,
Sodium bicarbonate 0.2kg, water 300kg.
Filler is made of by weight for 4:8 gravel, talcum powder；Resistance to compression reinforcing agent by high-efficient antibacterial agent, flyash, forge
Burn kaolin, weathered coal, vermiculite power is 23:50:10:10:3 by weight.
High-efficient antibacterial agent uses following technique to prepare: by 24kg silicic acid zinc powder, 80kg concentration for the poly- second two of 1.9mol/L
Alcohol solution stirs 20min, mixing speed 120r/min, and 1.5kg copper/saturated copper sulphate solution is added under stirring, continues to stir
14min is mixed, is filtered, washing, 82 DEG C of dryings are sent into Muffle furnace and are heated to 900 DEG C from room temperature, keep the temperature 1h, are cooled to 91 DEG C, add
Enter 4kg polyethylene glycol to be granulated to obtain high-efficient antibacterial agent.
Embodiment 3
A kind of environmental protection coal ash heat-preservation brick, raw material includes: blast-furnace cinder 40kg, cement 180kg, diatomite 2kg, sulfuric acid
Calcium pyroborate 18kg, powdered whiting 1.5kg, filler 16kg, polyurethane resin 1.5kg, organic amine alcohol 1.8kg, resistance to compression enhancing
Agent 64kg, sodium bicarbonate 1kg, water 150kg.
Filler is made of by weight for 8:4 gravel, talcum powder；Resistance to compression reinforcing agent by high-efficient antibacterial agent, flyash, forge
Burn kaolin, weathered coal, vermiculite power is 42:30:16:2:8 by weight.
High-efficient antibacterial agent uses following technique to prepare: by 20kg silicic acid zinc powder, 95kg concentration for the poly- second two of 1.4mol/L
Alcohol solution stirs 35min, mixing speed 80r/min, and 1.9kg copper/saturated copper sulphate solution is added under stirring, continues to stir
6min is mixed, is filtered, washing, 88 DEG C of dryings are sent into Muffle furnace and are heated to 840 DEG C from room temperature, keep the temperature 3h, are cooled to 84 DEG C, add
Enter 10kg polyethylene glycol to be granulated to obtain high-efficient antibacterial agent.
Embodiment 4
A kind of environmental protection coal ash heat-preservation brick, raw material includes: blast-furnace cinder 50kg, cement 140kg, diatomite 4kg, sulfuric acid
Calcium pyroborate 16kg, powdered whiting 2.5kg, filler 8kg, polyurethane resin 2.5kg, organic amine alcohol 1.2kg, resistance to compression reinforcing agent
66kg, sodium bicarbonate 0.4kg, water 250kg.
Filler is made of by weight for 6:6 gravel, talcum powder；Resistance to compression reinforcing agent by high-efficient antibacterial agent, flyash, forge
Burn kaolin, weathered coal, vermiculite power is 28:40:12:8:4 by weight.
High-efficient antibacterial agent uses following technique to prepare: by 22kg silicic acid zinc powder, 85kg concentration for the poly- second two of 1.8mol/L
Alcohol solution stirs 25min, mixing speed 100r/min, and 1.7kg copper/saturated copper sulphate solution is added under stirring, continues to stir
10min is mixed, is filtered, washing, 84 DEG C of dryings are sent into Muffle furnace and are heated to 880 DEG C from room temperature, keep the temperature 2h, are cooled to 90 DEG C, add
Enter 6kg polyethylene glycol to be granulated to obtain high-efficient antibacterial agent.
Embodiment 5
A kind of environmental protection coal ash heat-preservation brick, raw material includes: blast-furnace cinder 45kg, cement 160kg, diatomite 3kg, sulfuric acid
Calcium pyroborate 17kg, powdered whiting 2kg, filler 12kg, polyurethane resin 2kg, organic amine alcohol 1.5kg, resistance to compression reinforcing agent
65kg, sodium bicarbonate 0.7kg, water 200kg.
Filler is made of by weight for 7:2 gravel, talcum powder；Resistance to compression reinforcing agent by high-efficient antibacterial agent, flyash, forge
Burn kaolin, weathered coal, vermiculite power is 30:35:14:5:6 by weight.
High-efficient antibacterial agent uses following technique to prepare: by 21kg silicic acid zinc powder, 90kg concentration for the poly- second two of 1.6mol/L
Alcohol solution stirs 30min, mixing speed 90r/min, and 1.8kg copper/saturated copper sulphate solution is added under stirring, continues to stir
8min to be mixed, is filtered, washing, 86 DEG C of dryings are sent into Muffle furnace and are heated to 860 DEG C from room temperature, and 2.5h is kept the temperature, is cooled to 87 DEG C,
8kg polyethylene glycol is added to be granulated to obtain high-efficient antibacterial agent.
The environmentally friendly coal ash heat-preservation brick of 5 gained of embodiment is compared with commercially available common insulating brick, result is as follows:
| Test item | Embodiment 5 | Commercially available common insulating brick |
| Thermal coefficient, W/ (mK) | 0.052 | 0.142 |
| Compression strength, MPa | 12.58 | 6.42 |
| Shrinkage, mm/m | 0.21 | 1.02 |
| Escherichia coli antibiotic property, % | 98.3 | 42.2 |
The foregoing is only a preferred embodiment of the present invention, but scope of protection of the present invention is not limited thereto,
Anyone skilled in the art in the technical scope disclosed by the present invention, according to the technique and scheme of the present invention and its
Inventive concept is subject to equivalent substitution or change, should be covered by the protection scope of the present invention.
Claims (7)
1. a kind of environmental protection coal ash heat-preservation brick, which is characterized in that its raw material includes: 30-60 parts of blast-furnace cinder by weight, cement
120-200 parts, 1-5 parts of diatomite, 12-20 parts of calcium sulfate crystal whiskers, 1-3 parts of powdered whiting, 6-18 parts of filler, polyurethane tree
1-3 parts of rouge, organic amine alcohol 1-2 parts, 60-70 parts of resistance to compression reinforcing agent, 0.2-1.2 parts of sodium bicarbonate, 100-300 parts of water.
2. environmentally friendly coal ash heat-preservation brick according to claim 1, which is characterized in that filler includes: gravel 4- by weight
10 parts, 2-8 parts of talcum powder.
3. environmental protection coal ash heat-preservation brick according to claim 1 or claim 2, which is characterized in that resistance to compression reinforcing agent includes: by weight
23-45 parts of high-efficient antibacterial agent, 20-50 parts of flyash, 10-18 parts of calcined kaolin, 1-10 parts of weathered coal, 3-11 parts of vermiculite power.
4. environmentally friendly coal ash heat-preservation brick according to claim 3, which is characterized in that high-efficient antibacterial agent uses following technique system
It is standby: silicic acid zinc powder, Aqueous Solutions of Polyethylene Glycol being stirred, copper/saturated copper sulphate solution is added under stirring, continues to stir, is taken out
Filter is washed, dry, is sent into Muffle furnace and is heated, and is kept the temperature, cooling, and polyethylene glycol is added and is granulated to obtain high-efficient antibacterial agent.
5. environmentally friendly coal ash heat-preservation brick according to claim 4, which is characterized in that in the preparation process of high-efficient antibacterial agent, do
Dry temperature is 82-90 DEG C.
6. environmental protection coal ash heat-preservation brick according to claim 4 or 5, which is characterized in that in the preparation process of high-efficient antibacterial agent,
It is sent into Muffle furnace and is heated to 820-900 DEG C from room temperature, keep the temperature 1-4h, be cooled to 82-91 DEG C.
7. according to any one of the claim 4-6 environmentally friendly coal ash heat-preservation brick, which is characterized in that the preparation work of high-efficient antibacterial agent
In skill, silicic acid zinc powder, Aqueous Solutions of Polyethylene Glycol, copper/saturated copper sulphate solution, polyethylene glycol weight ratio be 18-24:80-100:
1.5-2.1:4-12, the concentration of Aqueous Solutions of Polyethylene Glycol are 1.2-1.9mol/L.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810730086.1A CN108975779A (en) | 2018-07-05 | 2018-07-05 | A kind of environmental protection coal ash heat-preservation brick |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810730086.1A CN108975779A (en) | 2018-07-05 | 2018-07-05 | A kind of environmental protection coal ash heat-preservation brick |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN108975779A true CN108975779A (en) | 2018-12-11 |
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|---|---|---|---|
| CN201810730086.1A Pending CN108975779A (en) | 2018-07-05 | 2018-07-05 | A kind of environmental protection coal ash heat-preservation brick |
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Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| KR20020065190A (en) * | 2001-02-06 | 2002-08-13 | 정한주 | Process for producing bricks using coal ash |
| CN106082821A (en) * | 2016-06-20 | 2016-11-09 | 安徽金丰新型建材有限公司 | A kind of gangue with antimildew and antibacterial effect is non-burning brick |
| CN106866043A (en) * | 2015-12-14 | 2017-06-20 | 天津齐明环保设备有限公司 | A kind of environmental-friendly construction material |
-
2018
- 2018-07-05 CN CN201810730086.1A patent/CN108975779A/en active Pending
Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| KR20020065190A (en) * | 2001-02-06 | 2002-08-13 | 정한주 | Process for producing bricks using coal ash |
| CN106866043A (en) * | 2015-12-14 | 2017-06-20 | 天津齐明环保设备有限公司 | A kind of environmental-friendly construction material |
| CN106082821A (en) * | 2016-06-20 | 2016-11-09 | 安徽金丰新型建材有限公司 | A kind of gangue with antimildew and antibacterial effect is non-burning brick |
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Application publication date: 20181211 |
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