CN108558353A - A kind of diatomite environment-friendly insulating brick and preparation method thereof - Google Patents
A kind of diatomite environment-friendly insulating brick and preparation method thereof Download PDFInfo
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- CN108558353A CN108558353A CN201810070659.2A CN201810070659A CN108558353A CN 108558353 A CN108558353 A CN 108558353A CN 201810070659 A CN201810070659 A CN 201810070659A CN 108558353 A CN108558353 A CN 108558353A
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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
- C04B33/00—Clay-wares
- C04B33/02—Preparing or treating the raw materials individually or as batches
- C04B33/13—Compounding ingredients
- C04B33/131—Inorganic additives
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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
- C04B33/00—Clay-wares
- C04B33/02—Preparing or treating the raw materials individually or as batches
- C04B33/13—Compounding ingredients
- C04B33/1305—Organic additives
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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
- C04B33/00—Clay-wares
- C04B33/02—Preparing or treating the raw materials individually or as batches
- C04B33/13—Compounding ingredients
- C04B33/132—Waste materials; Refuse; Residues
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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
- C04B33/00—Clay-wares
- C04B33/02—Preparing or treating the raw materials individually or as batches
- C04B33/13—Compounding ingredients
- C04B33/132—Waste materials; Refuse; Residues
- C04B33/1324—Recycled material, e.g. tile dust, stone waste, spent refractory material
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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
- C04B38/00—Porous mortars, concrete, artificial stone or ceramic ware; Preparation thereof
- C04B38/06—Porous mortars, concrete, artificial stone or ceramic ware; Preparation thereof by burning-out added substances by burning natural expanding materials or by sublimating or melting out added substances
- C04B38/063—Preparing or treating the raw materials individually or as batches
- C04B38/0635—Compounding ingredients
- C04B38/0645—Burnable, meltable, sublimable materials
- C04B38/0675—Vegetable refuse; Cellulosic materials, e.g. wood chips, cork, peat, paper
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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
- C04B2235/00—Aspects relating to ceramic starting mixtures or sintered ceramic products
- C04B2235/02—Composition of constituents of the starting material or of secondary phases of the final product
- C04B2235/30—Constituents and secondary phases not being of a fibrous nature
- C04B2235/34—Non-metal oxides, non-metal mixed oxides, or salts thereof that form the non-metal oxides upon heating, e.g. carbonates, nitrates, (oxy)hydroxides, chlorides
- C04B2235/3418—Silicon oxide, silicic acids, or oxide forming salts thereof, e.g. silica sol, fused silica, silica fume, cristobalite, quartz or flint
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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
- C04B2235/00—Aspects relating to ceramic starting mixtures or sintered ceramic products
- C04B2235/02—Composition of constituents of the starting material or of secondary phases of the final product
- C04B2235/30—Constituents and secondary phases not being of a fibrous nature
- C04B2235/34—Non-metal oxides, non-metal mixed oxides, or salts thereof that form the non-metal oxides upon heating, e.g. carbonates, nitrates, (oxy)hydroxides, chlorides
- C04B2235/3427—Silicates other than clay, e.g. water glass
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- 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
- C04B2235/00—Aspects relating to ceramic starting mixtures or sintered ceramic products
- C04B2235/02—Composition of constituents of the starting material or of secondary phases of the final product
- C04B2235/30—Constituents and secondary phases not being of a fibrous nature
- C04B2235/42—Non metallic elements added as constituents or additives, e.g. sulfur, phosphor, selenium or tellurium
- C04B2235/422—Carbon
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- 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
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- Y02P—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION OR PROCESSING OF GOODS
- Y02P40/00—Technologies relating to the processing of minerals
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Abstract
The invention discloses a kind of diatomite environment-friendly insulating bricks and preparation method thereof, are related to energy-saving brick technical field, include the raw material of following part meter:65 ~ 85 parts of 55 ~ 65 parts of cement, 35 ~ 45 parts of modification infusorial earth, 25 ~ 30 parts of active bio carbon, 15 ~ 25 parts of waste ceramic mud powder, 15 ~ 25 parts of waste glass powder, modified 10 ~ 15 parts of clay, 10 ~ 15 parts of plant composite fibre, 10 ~ 15 parts of sintering aid, 5 ~ 10 parts of high-temperature agglomerant, 5 ~ 10 parts of water-reducing agent and water.Energy environmental protection of the invention, economizes on resources, simple production process.
Description
Technical field
The present invention relates to energy-saving brick technical fields, and in particular to a kind of diatomite environment-friendly insulating brick and preparation method thereof.
Background technology
Insulating brick in existing construction material mostly uses styrofoam based on polystyrene or with flyash, perlite
Etc. being mixed with into insulating brick.Styrofoam is only used for exterior-wall heat insulation, it is impossible to be used in builds main wall body by laying bricks or stones, and polystyrene is not
It is fire-retardant, therefore its use scope is restricted.In addition, construction material and ornament materials type are various currently on the market, thermal insulating material
Material also emerges one after another, and complex production process causes expensive, and some also pollutes the environment, and is unfavorable for producing in batches and exploit,
It is badly in need of a kind of insulating brick recycle, save resource, facilitating production currently on the market.
Invention content
The object of the present invention is to provide a kind of diatomite environment-friendly insulating bricks and preparation method thereof, can be environmentally friendly, economize on resources, raw
Production. art is simple.
The present invention provides the following technical solutions:A kind of diatomite environment-friendly insulating brick includes the raw material of following part meter:Water
55 ~ 65 parts of mud, 35 ~ 45 parts of modification infusorial earth, 25 ~ 30 parts of active bio carbon, 15 ~ 25 parts of waste ceramic mud powder, waste glass powder 15 ~
25 parts, modified 10 ~ 15 parts of clay, 10 ~ 15 parts of plant composite fibre, 10 ~ 15 parts of sintering aid, 5 ~ 10 parts of high-temperature agglomerant, diminishing
65 ~ 85 parts of 5 ~ 10 parts of agent and water.
Preferably, include the raw material of following part meter:60 parts of cement, 40 parts of modification infusorial earth, 27.5 parts of active bio carbon, pottery
Useless 20 parts of the mud powder of porcelain, 20 parts of waste glass powder, modified 12.5 parts of clay, 12.5 parts of plant composite fibre, 12.5 parts of sintering aid, height
75 parts of 7.5 parts of warm binder, 7.5 parts of water-reducing agent and water.
Preferably, the cement is 42.5R 52.5R portland cements.
Preferably, the preparation method of the modification infusorial earth:Diatomite is taken out, under 350 ~ 400 DEG C of high temperature roast 3 ~
After 4h, it is cooled to room temperature, 4 ~ 6 times of parts by weight are added and obtain clear water, acid solution are added into mixed liquor after being uniformly mixed, 75
After being stirred to react 1 ~ 2h at ~ 80 DEG C, it is washed with water to neutrality, filters, dries to obtain modification infusorial earth.
Preferably, the preparation method of the active bio carbon is:By straw clear water clean dry, be placed in temperature be 60 ~
Dry to constant weight in 85 DEG C of baking oven, then pulverize, cross 300 ~ 400 mesh sieve to obtain comminuting matter, comminuting matter is put into crucible
It is placed in atmosphere furnace, is continually fed into inert gas, temperature is risen to 400 DEG C by the rate of 4 ~ 6 DEG C/min, be 400 in temperature
It is down to room temperature naturally after being pyrolyzed 3 ~ 4h under conditions of DEG C, active bio carbon is obtained after sieving.
Preferably, the waste ceramic mud powder generates for ceramic wall and floor bricks product in producing and processing polishing process useless
It is difficult the particle suspension object of precipitation, the solid generated after addition inorganic flocculating agent processing in water, abrasive dust, brick bits and sewage
The powder that grain size is 0.2 ~ 1.2mm is made after dehydration, drying, sorting, magnetic separation removal old metal, crushing, screening in waste
Material.
Preferably, the waste glass powder is soda-lime-silica glass, quartz glass, high osmanthus oxygen glass, lead silicate glass, aluminium silicon
Any one of silicate glass and borosilicate glass.
Preferably, the preparation method of the modified clay is:Clay is put into a concentration of 5 ~ 10% sulfuric acid solution, is mixed
It is 3 ~ 5 to close and stir and adjust slurry pH value, keeps 60 ~ 80 DEG C of 10 ~ 20min of heating water bath, filtering, in being washed with distilled water to
Property, drying, at 200 ~ 300 DEG C calcine 1 ~ 2h, crush, cross 300 ~ 400 mesh sieve, be put into 5 ~ 10 times of parts by weight a concentration of 1.5 ~
3mol/L titanium tetrachloride aqueous solutions are uniformly mixed, and dispersant is then added, 3 ~ 5h of ultrasonic disperse under the conditions of 50 ~ 60 DEG C, filtering,
It is washed with distilled water to neutrality, is dried, 3 ~ 4h is calcined at 80 ~ 90 DEG C, is cooled to room temperature to obtain modified clay.
Preferably, the plant composite fibre is the velvet-like powder that crop stalk is formed after cutting off, crushing, the agriculture
Crop straw is corn stalk or cotton straws;The sintering aid is TiO2Micro mist, MgO micro mists, Cr2O3Micro mist, MgF2Micro mist
And AlF3Any one of micro mist;The high-temperature agglomerant is aluminium hydroxide or silicon melten gel;The water-reducing agent subtracts for polycarboxylic acids
Aqua.
The present invention provides a kind of preparation method of diatomite environment-friendly insulating brick, includes the following steps:
(1), raw material grinding
Cement, modification infusorial earth, active bio carbon, waste ceramic mud powder, waste glass powder, modified clay and plant are weighed according to proportioning
Object composite fibre grinds and crosses 200 ~ 300 mesh sieve, obtains fine powder, spare;
(2), raw material mixing
Surplus stock and step are weighed according to proportioning(1)Obtained fine powder mixing, is uniformly mixing to obtain mixed raw material, standby
With;
(3), compression moulding
Using forcing press to step(2)Mixed raw material compression moulding, pressing time are 10~15 seconds, obtain semi-finished product;
(4), maintenance
By step(3)Pressed semi-finished product carry out maintenance processing at normal temperatures, and curing time is 2~4 days;
(5), high-temperature calcination
By step(4)Semi-finished product after maintenance carry out high-temperature calcination processing, and calcination temperature is 600~800 DEG C, the high-temperature calcination time
For 12 ~ 20h, the diatomite environment-friendly insulating brick is obtained after calcining.
Beneficial effects of the present invention:Energy conservation and environmental protection economizes on resources, and simple production process is specific as follows:
(1), the present invention add modification infusorial earth in the feed, diatomite is natural material, be free of harmful chemical, in addition to tool
Have non-ignitable, sound insulation, waterproof, it is light-weight and heat-insulated the features such as outside, also dehumidifying, deodorization, the effects that purifying the air of a room, environmental protection
Safety;
(2), the present invention add the active bio carbon being configured to by straw in the feed, have larger specific surface area, can inhale
Attached big quantity of material is outstanding load carriers;
(3), simple production process of the present invention, three-waste free discharge meets national energy conservation and emission reduction, development low-carbon economy and circular economy
Policy;
(4), the present invention add plant composite fibre in the feed, form a large amount of micropore in roasting process, be utilized cheap
, the plant straw that stock number is abundant, while solve rural area burning straw caused by problem of environmental pollution, reached i.e. green
The effect that colour circle is protected, comprehensively utilized;
(5), the present invention add waste ceramic mud powder in the feed, improve currently on the market that waste ceramic doses is big, utilization rate is low
The case where, energy conservation and environmental protection improves whole thermal and insulating performance, while reducing manufacturing cost again, increases economic efficiency.
Specific implementation mode
Present invention will be further explained below with reference to specific examples.These embodiments are merely to illustrate the present invention and do not have to
In limiting the scope of the invention.
Embodiment 1
A kind of diatomite environment-friendly insulating brick includes the raw material of following part meter:
55 parts of cement;
35 parts of modification infusorial earth;
25 parts of active bio carbon;
15 parts of waste ceramic mud powder;
15 parts of waste glass powder;
Modified 10 parts of clay;
10 parts of plant composite fibre;
10 parts of sintering aid;
5 parts of high-temperature agglomerant;
5 parts of water-reducing agent;
65 parts of water.
Wherein,
The cement is 42.5R portland cements.
The preparation method of the modification infusorial earth:Diatomite is taken out, after roasting 3h under 350 DEG C of high temperature, is cooled to
To room temperature, 4 times of parts by weight are added and obtain clear water, acid solution is added into mixed liquor after being uniformly mixed, 1h is stirred to react at 75 DEG C
Afterwards, it is washed with water to neutrality, filters, dries to obtain modification infusorial earth.
The preparation method of the active bio carbon is:Straw clear water is cleaned and is dried, the baking oven that temperature is 60 DEG C is placed in
Inside dry to constant weight, then pulverize, cross 300 mesh sieve to obtain comminuting matter, comminuting matter is put into crucible and is placed in atmosphere furnace, is held
It is continuous to be passed through inert gas, temperature is risen to 400 DEG C by the rate of 4 DEG C/min, under conditions of temperature is 400 DEG C after pyrolysis 3h
Naturally it is down to room temperature, active bio carbon is obtained after sieving.
The waste ceramic mud powder be ceramic wall and floor bricks product generated in producing and processing polishing process waste water, abrasive dust,
It is difficult the particle suspension object precipitated in brick bits and sewage, the solid waste generated after addition inorganic flocculating agent processing,
The powder that grain size is 0.2mm is made after dehydration, drying, sorting, magnetic separation removal old metal, crushing, screening.
The waste glass powder is soda-lime-silica glass.
The preparation method of the modified clay is:Clay is put into a concentration of 5% sulfuric acid solution, be mixed and adjusted
It is 3 to save slurry pH value, keeps 60 DEG C of heating water bath 10min, filtering to be washed with distilled water to neutrality, dries, and is calcined at 200 DEG C
1h is crushed, and crosses 300 mesh sieve, and a concentration of 1.5mol/L titanium tetrachloride aqueous solutions for being put into 5 times of parts by weight are uniformly mixed, and are then added
Enter dispersant, ultrasonic disperse 3h under the conditions of 50 DEG C, filtering is washed with distilled water to neutrality, dries, and 3h is calcined at 80 DEG C, cold
But modified clay is obtained to room temperature.
The plant composite fibre is the velvet-like powder that crop stalk is formed after cutting off, crushing, the crops straw
Bar is corn stalk;The sintering aid is TiO2Micro mist;The high-temperature agglomerant is aluminium hydroxide;The water-reducing agent is polycarboxylic acids
Water-reducing agent.
A kind of preparation method of diatomite environment-friendly insulating brick is provided in the present embodiment, is included the following steps:
(1), raw material grinding
Cement, modification infusorial earth, active bio carbon, waste ceramic mud powder, waste glass powder, modified clay and plant are weighed according to proportioning
Object composite fibre grinds and crosses 200 mesh sieve, obtains fine powder, spare;
(2), raw material mixing
Surplus stock and step are weighed according to proportioning(1)Obtained fine powder mixing, is uniformly mixing to obtain mixed raw material, standby
With;
(3), compression moulding
Using forcing press to step(2)Mixed raw material compression moulding, pressing time are 10 seconds, obtain semi-finished product;
(4), maintenance
By step(3)Pressed semi-finished product carry out maintenance processing at normal temperatures, and curing time is 2 days;
(5), high-temperature calcination
By step(4)Semi-finished product after maintenance carry out high-temperature calcination processing, and calcination temperature is 600 DEG C, and the high-temperature calcination time is
12h obtains the diatomite environment-friendly insulating brick after calcining.
Embodiment 2
A kind of diatomite environment-friendly insulating brick includes the raw material of following part meter:
65 parts of cement;
45 parts of modification infusorial earth;
30 parts of active bio carbon;
25 parts of waste ceramic mud powder;
25 parts of waste glass powder;
Modified 15 parts of clay;
15 parts of plant composite fibre;
15 parts of sintering aid;
10 parts of high-temperature agglomerant;
10 parts of water-reducing agent;
85 parts of water.
Wherein,
The cement is 52.5R portland cements.
The preparation method of the modification infusorial earth:Diatomite is taken out, after roasting 4h under 400 DEG C of high temperature, is cooled to
To room temperature, 6 times of parts by weight are added and obtain clear water, acid solution is added into mixed liquor after being uniformly mixed, 2h is stirred to react at 80 DEG C
Afterwards, it is washed with water to neutrality, filters, dries to obtain modification infusorial earth.
The preparation method of the active bio carbon is:Straw clear water is cleaned and is dried, the baking oven that temperature is 85 DEG C is placed in
Inside dry to constant weight, then pulverize, cross 400 mesh sieve to obtain comminuting matter, comminuting matter is put into crucible and is placed in atmosphere furnace, is held
It is continuous to be passed through inert gas, temperature is risen to 400 DEG C by the rate of 6 DEG C/min, under conditions of temperature is 400 DEG C after pyrolysis 4h
Naturally it is down to room temperature, active bio carbon is obtained after sieving.
The waste ceramic mud powder be ceramic wall and floor bricks product generated in producing and processing polishing process waste water, abrasive dust,
It is difficult the particle suspension object precipitated in brick bits and sewage, the solid waste generated after addition inorganic flocculating agent processing,
The powder that grain size is 1.2mm is made after dehydration, drying, sorting, magnetic separation removal old metal, crushing, screening.
The waste glass powder is quartz glass.
The preparation method of the modified clay is:Clay is put into a concentration of 10% sulfuric acid solution, be mixed and adjusted
It is 5 to save slurry pH value, keeps 80 DEG C of heating water bath 20min, filtering to be washed with distilled water to neutrality, dries, and is calcined at 300 DEG C
2h is crushed, and crosses 400 mesh sieve, and a concentration of 3mol/L titanium tetrachloride aqueous solutions for being put into 10 times of parts by weight are uniformly mixed, and are then added
Dispersant, ultrasonic disperse 5h under the conditions of 60 DEG C, filtering are washed with distilled water to neutrality, dry, and 4h is calcined at 90 DEG C, cooling
Modified clay is obtained to room temperature.
The plant composite fibre is the velvet-like powder that crop stalk is formed after cutting off, crushing, the crops straw
Bar is cotton straws;The sintering aid is MgO micro mists;The high-temperature agglomerant is silicon melten gel;The water-reducing agent subtracts for polycarboxylic acids
Aqua.
A kind of preparation method of diatomite environment-friendly insulating brick is provided in the present embodiment, is included the following steps:
(1), raw material grinding
Cement, modification infusorial earth, active bio carbon, waste ceramic mud powder, waste glass powder, modified clay and plant are weighed according to proportioning
Object composite fibre grinds and crosses 300 mesh sieve, obtains fine powder, spare;
(2), raw material mixing
Surplus stock and step are weighed according to proportioning(1)Obtained fine powder mixing, is uniformly mixing to obtain mixed raw material, standby
With;
(3), compression moulding
Using forcing press to step(2)Mixed raw material compression moulding, pressing time are 15 seconds, obtain semi-finished product;
(4), maintenance
By step(3)Pressed semi-finished product carry out maintenance processing at normal temperatures, and curing time is 4 days;
(5), high-temperature calcination
By step(4)Semi-finished product after maintenance carry out high-temperature calcination processing, and calcination temperature is 800 DEG C, and the high-temperature calcination time is
20h obtains the diatomite environment-friendly insulating brick after calcining.
Embodiment 3
A kind of diatomite environment-friendly insulating brick includes the raw material of following part meter:
60 parts of cement;
40 parts of modification infusorial earth;
27.5 parts of active bio carbon;
20 parts of waste ceramic mud powder;
20 parts of waste glass powder;
Modified 12.5 parts of clay;
12.5 parts of plant composite fibre;
12.5 parts of sintering aid;
7.5 parts of high-temperature agglomerant;
7.5 parts of water-reducing agent;
75 parts of water.
Wherein,
The cement is 42.5R portland cements.
The preparation method of the modification infusorial earth:Diatomite is taken out, it is after roasting 3.5h under 380 DEG C of high temperature, its is cold
But to room temperature, 5 times of parts by weight is added and obtain clear water, acid solution is added into mixed liquor after being uniformly mixed, is stirred to react at 77 DEG C
After 1.5h, it is washed with water to neutrality, filters, dries to obtain modification infusorial earth.
The preparation method of the active bio carbon is:Straw clear water is cleaned and is dried, the baking oven that temperature is 75 DEG C is placed in
Inside dry to constant weight, then pulverize, cross 350 mesh sieve to obtain comminuting matter, comminuting matter is put into crucible and is placed in atmosphere furnace, is held
It is continuous to be passed through inert gas, temperature is risen to 400 DEG C by the rate of 5 DEG C/min, 3.5h is pyrolyzed under conditions of temperature is 400 DEG C
It is down to room temperature naturally afterwards, active bio carbon is obtained after sieving.
The waste ceramic mud powder be ceramic wall and floor bricks product generated in producing and processing polishing process waste water, abrasive dust,
It is difficult the particle suspension object precipitated in brick bits and sewage, the solid waste generated after addition inorganic flocculating agent processing,
The powder that grain size is 0.8mm is made after dehydration, drying, sorting, magnetic separation removal old metal, crushing, screening.
The waste glass powder is high osmanthus oxygen glass.
The preparation method of the modified clay is:Clay is put into a concentration of 7% sulfuric acid solution, be mixed and adjusted
It is 4 to save slurry pH value, keeps 70 DEG C of heating water bath 15min, filtering to be washed with distilled water to neutrality, dries, and is calcined at 250 DEG C
1.5h is crushed, and crosses 300 ~ 400 mesh sieve, and a concentration of 2mol/L titanium tetrachloride aqueous solutions for being put into 7 times of parts by weight are uniformly mixed, so
After dispersant is added, ultrasonic disperse 4h under the conditions of 55 DEG C, filtering, be washed with distilled water to neutrality, dry, at 85 DEG C calcine
3.5h is cooled to room temperature to obtain modified clay.
The plant composite fibre is the velvet-like powder that crop stalk is formed after cutting off, crushing, the crops straw
Bar is corn stalk;The sintering aid is Cr2O3Micro mist;The high-temperature agglomerant is silicon melten gel;The water-reducing agent subtracts for polycarboxylic acids
Aqua.
A kind of preparation method of diatomite environment-friendly insulating brick is provided in the present embodiment, is included the following steps:
(1), raw material grinding
Cement, modification infusorial earth, active bio carbon, waste ceramic mud powder, waste glass powder, modified clay and plant are weighed according to proportioning
Object composite fibre grinds and crosses 250 mesh sieve, obtains fine powder, spare;
(2), raw material mixing
Surplus stock and step are weighed according to proportioning(1)Obtained fine powder mixing, is uniformly mixing to obtain mixed raw material, standby
With;
(3), compression moulding
Using forcing press to step(2)Mixed raw material compression moulding, pressing time are 12 seconds, obtain semi-finished product;
(4), maintenance
By step(3)Pressed semi-finished product carry out maintenance processing at normal temperatures, and curing time is 3 days;
(5), high-temperature calcination
By step(4)Semi-finished product after maintenance carry out high-temperature calcination processing, and calcination temperature is 700 DEG C, and the high-temperature calcination time is
18h obtains the diatomite environment-friendly insulating brick after calcining.
Present invention has been described in detail with reference to the aforementioned embodiments, for those skilled in the art, according to
So can be with technical scheme described in the above embodiments is modified, or which part technical characteristic is equally replaced
It changes.All within the spirits and principles of the present invention, any modification, equivalent replacement, improvement and so on should be included in the present invention
Protection domain within.
Claims (10)
1. a kind of diatomite environment-friendly insulating brick, which is characterized in that include the raw material of following part meter:55 ~ 65 parts of cement, modified diatom
35 ~ 45 parts of soil, 25 ~ 30 parts of active bio carbon, 15 ~ 25 parts of waste ceramic mud powder, 15 ~ 25 parts of waste glass powder, modified clay 10 ~ 15
Part, 10 ~ 15 parts of plant composite fibre, 10 ~ 15 parts of sintering aid, 5 ~ 10 parts of high-temperature agglomerant, 5 ~ 10 parts of water-reducing agent and water 65 ~ 85
Part.
2. diatomite environment-friendly insulating brick according to claim 1, which is characterized in that include the raw material of following part meter:Cement
60 parts, 40 parts of modification infusorial earth, 27.5 parts of active bio carbon, 20 parts of waste ceramic mud powder, 20 parts of waste glass powder, modified clay
75 parts of 12.5 parts, 12.5 parts of plant composite fibre, 12.5 parts of sintering aid, 7.5 parts of high-temperature agglomerant, 7.5 parts of water-reducing agent and water.
3. diatomite environment-friendly insulating brick according to claim 1, which is characterized in that the cement is 42.5R or 52.5R
Portland cement.
4. diatomite environment-friendly insulating brick according to claim 1, which is characterized in that the preparation side of the modification infusorial earth
Method:Diatomite is taken out, after roasting 3 ~ 4h under 350 ~ 400 DEG C of high temperature, is cooled to room temperature, 4 ~ 6 times of parts by weight are added and obtain
Acid solution is added into mixed liquor after being uniformly mixed, after being stirred to react 1 ~ 2h at 75 ~ 80 DEG C, is washed with water to neutrality for clear water,
Filtering, dries to obtain modification infusorial earth.
5. diatomite environment-friendly insulating brick according to claim 1, which is characterized in that the preparation method of the active bio carbon
For:Straw clear water is cleaned and is dried, is placed in the baking oven that temperature is 60 ~ 85 DEG C and dries to constant weight, then pulverizes, cross 300 ~ 400
Mesh sieves to obtain comminuting matter, and comminuting matter is put into crucible and is placed in atmosphere furnace, is continually fed into inert gas, by temperature by 4 ~
The rate of 6 DEG C/min rises to 400 DEG C, and room temperature is down to naturally after 3 ~ 4h of pyrolysis under conditions of temperature is 400 DEG C, after sieving
To active bio carbon.
6. diatomite environment-friendly insulating brick according to claim 1, which is characterized in that the waste ceramic mud powder is ceramic wall
Ground tile product is difficult the particle suspension of precipitation in waste water, abrasive dust, the brick bits and sewage generated in producing and processing polishing process
Object, the solid waste generated after addition inorganic flocculating agent processing, by dehydration, drying, sorting, the useless gold of magnetic separation removal
Belong to, crush, the powder that grain size is 0.2 ~ 1.2mm is made after screening.
7. diatomite environment-friendly insulating brick according to claim 1, which is characterized in that the waste glass powder is sodium calcium silicon glass
Any one of glass, quartz glass, high osmanthus oxygen glass, lead silicate glass, alumina silicate glass and borosilicate glass.
8. diatomite environment-friendly insulating brick according to claim 1, which is characterized in that the preparation method of the modified clay
For:Clay is put into a concentration of 5 ~ 10% sulfuric acid solution, it is 3 ~ 5 to be mixed and adjust slurry pH value, is kept for 60 ~ 80 DEG C
10 ~ 20min of heating water bath, filtering, be washed with distilled water to neutrality, dry, at 200 ~ 300 DEG C calcine 1 ~ 2h, crush, cross 300 ~
400 mesh sieve, and a concentration of 1.5 ~ 3mol/L titanium tetrachloride aqueous solutions for being put into 5 ~ 10 times of parts by weight are uniformly mixed, and dispersion is then added
Agent, 3 ~ 5h of ultrasonic disperse under the conditions of 50 ~ 60 DEG C, filtering, be washed with distilled water to neutrality, dry, at 80 ~ 90 DEG C calcine 3 ~
4h is cooled to room temperature to obtain modified clay.
9. diatomite environment-friendly insulating brick according to claim 1, which is characterized in that the plant composite fibre is crops
The velvet-like powder that straw is formed after cutting off, crushing, the crop stalk are corn stalk or cotton straws;It is described to help burning
Agent is TiO2Micro mist, MgO micro mists, Cr2O3Micro mist, MgF2Micro mist and AlF3Any one of micro mist;The high-temperature agglomerant is hydrogen
Aluminium oxide or silicon melten gel;The water-reducing agent is polycarboxylate water-reducer.
10. a kind of preparation method according to claim 1 ~ 9 any one of them diatomite environment-friendly insulating brick, which is characterized in that
Include the following steps:
(1), raw material grinding
Cement, modification infusorial earth, active bio carbon, waste ceramic mud powder, waste glass powder, modified clay and plant are weighed according to proportioning
Object composite fibre grinds and crosses 200 ~ 300 mesh sieve, obtains fine powder, spare;
(2), raw material mixing
Surplus stock and step are weighed according to proportioning(1)Obtained fine powder mixing, is uniformly mixing to obtain mixed raw material, standby
With;
(3), compression moulding
Using forcing press to step(2)Mixed raw material compression moulding, pressing time are 10~15 seconds, obtain semi-finished product;
(4), maintenance
By step(3)Pressed semi-finished product carry out maintenance processing at normal temperatures, and curing time is 2~4 days;
(5), high-temperature calcination
By step(4)Semi-finished product after maintenance carry out high-temperature calcination processing, and calcination temperature is 600~800 DEG C, the high-temperature calcination time
For 12 ~ 20h, the diatomite environment-friendly insulating brick is obtained after calcining.
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Cited By (3)
Publication number | Priority date | Publication date | Assignee | Title |
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CN109250954A (en) * | 2018-10-18 | 2019-01-22 | 合肥欧克斯新型建材有限公司 | A kind of heat-insulating and fire-proof environment-friendly sheet and preparation method thereof |
CN112500190A (en) * | 2020-12-07 | 2021-03-16 | 嵊州浙江大学技术转移中心 | Preparation method of foamed lightweight high-temperature-resistant diatomite insulating brick |
CN112573523A (en) * | 2020-12-07 | 2021-03-30 | 嵊州浙江大学技术转移中心 | Comprehensive utilization method of diatomite for ecological civilization |
Citations (3)
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CN106956340A (en) * | 2017-04-06 | 2017-07-18 | 合肥欧克斯新型建材有限公司 | It is a kind of for fire-proof flame-retarded agent of timber floor and preparation method thereof |
CN107188594A (en) * | 2017-06-15 | 2017-09-22 | 合肥雅克丽新型建材有限公司 | Energy-saving heat-insulating brick and preparation method thereof |
CN107226677A (en) * | 2017-06-17 | 2017-10-03 | 合肥市晨雷思建筑材料科技有限公司 | A kind of high-strength ceramic brick and preparation method thereof |
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2018
- 2018-01-25 CN CN201810070659.2A patent/CN108558353A/en not_active Withdrawn
Patent Citations (3)
Publication number | Priority date | Publication date | Assignee | Title |
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CN106956340A (en) * | 2017-04-06 | 2017-07-18 | 合肥欧克斯新型建材有限公司 | It is a kind of for fire-proof flame-retarded agent of timber floor and preparation method thereof |
CN107188594A (en) * | 2017-06-15 | 2017-09-22 | 合肥雅克丽新型建材有限公司 | Energy-saving heat-insulating brick and preparation method thereof |
CN107226677A (en) * | 2017-06-17 | 2017-10-03 | 合肥市晨雷思建筑材料科技有限公司 | A kind of high-strength ceramic brick and preparation method thereof |
Cited By (3)
Publication number | Priority date | Publication date | Assignee | Title |
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CN109250954A (en) * | 2018-10-18 | 2019-01-22 | 合肥欧克斯新型建材有限公司 | A kind of heat-insulating and fire-proof environment-friendly sheet and preparation method thereof |
CN112500190A (en) * | 2020-12-07 | 2021-03-16 | 嵊州浙江大学技术转移中心 | Preparation method of foamed lightweight high-temperature-resistant diatomite insulating brick |
CN112573523A (en) * | 2020-12-07 | 2021-03-30 | 嵊州浙江大学技术转移中心 | Comprehensive utilization method of diatomite for ecological civilization |
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Application publication date: 20180921 |