CN109231832A - A kind of glaze, glaze paint, decorative brick and preparation method thereof - Google Patents
A kind of glaze, glaze paint, decorative brick and preparation method thereof Download PDFInfo
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- CN109231832A CN109231832A CN201811382205.5A CN201811382205A CN109231832A CN 109231832 A CN109231832 A CN 109231832A CN 201811382205 A CN201811382205 A CN 201811382205A CN 109231832 A CN109231832 A CN 109231832A
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- glaze
- brick
- shale
- sintering
- decorative
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- C—CHEMISTRY; METALLURGY
- C03—GLASS; MINERAL OR SLAG WOOL
- C03C—CHEMICAL COMPOSITION OF GLASSES, GLAZES OR VITREOUS ENAMELS; SURFACE TREATMENT OF GLASS; SURFACE TREATMENT OF FIBRES OR FILAMENTS MADE FROM GLASS, MINERALS OR SLAGS; JOINING GLASS TO GLASS OR OTHER MATERIALS
- C03C8/00—Enamels; Glazes; Fusion seal compositions being frit compositions having non-frit additions
-
- 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
- C04B33/32—Burning methods
- C04B33/34—Burning methods combined with glazing
-
- 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
- C04B41/00—After-treatment of mortars, concrete, artificial stone or ceramics; Treatment of natural stone
- C04B41/45—Coating or impregnating, e.g. injection in masonry, partial coating of green or fired ceramics, organic coating compositions for adhering together two concrete elements
- C04B41/50—Coating or impregnating, e.g. injection in masonry, partial coating of green or fired ceramics, organic coating compositions for adhering together two concrete elements with inorganic materials
- C04B41/5022—Coating or impregnating, e.g. injection in masonry, partial coating of green or fired ceramics, organic coating compositions for adhering together two concrete elements with inorganic materials with vitreous 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
- C04B41/00—After-treatment of mortars, concrete, artificial stone or ceramics; Treatment of natural stone
- C04B41/80—After-treatment of mortars, concrete, artificial stone or ceramics; Treatment of natural stone of only ceramics
- C04B41/81—Coating or impregnation
- C04B41/85—Coating or impregnation with inorganic materials
- C04B41/86—Glazes; Cold glazes
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- Chemical & Material Sciences (AREA)
- Engineering & Computer Science (AREA)
- Ceramic Engineering (AREA)
- Materials Engineering (AREA)
- Organic Chemistry (AREA)
- Structural Engineering (AREA)
- Inorganic Chemistry (AREA)
- General Chemical & Material Sciences (AREA)
- Geochemistry & Mineralogy (AREA)
- Life Sciences & Earth Sciences (AREA)
- Dispersion Chemistry (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Finishing Walls (AREA)
Abstract
A kind of glaze, glaze paint, decorative brick and preparation method thereof, belong to the field of building materials.Glaze is for being incorporated into brick by way of sintering to form the glaze paint of brick.Glaze includes following components by weight percentage: useless brick 60~70%, borax 25~35%, kaolin 4~5% and talcum powder 1~2%, wherein useless brick is mainly to be sintered using shale.The glaze provided in example has the advantages that intensity is high, permeability rate is low.
Description
Technical field
The present invention relates to the field of building materials, in particular to a kind of glaze, glaze paint, decorative brick and preparation method thereof.
Background technique
Decorative brick can be used for wall or other surfaces, be the novel wall material with decoration functions.Its main feature is that: appearance
Have the function of that high artistic decoration, dimensional accuracy, durability and frost resistance are good.Also, its tone and specification can meet respectively
The modeling requirement of kind particular/special requirement and building.
Building diversification is the target that countries in the world are pursued jointly.All pursuing the abundant more of city style in many cities
It is color, avoid it is stiff single.Therefore sintered decorative brick with its colourful tone and the infinite exterior design design of change by
Architect and public favor.
The diversified decorative means in decorative brick surface can embody building personalization difference, and the decoration brick wall directly built
Outer surface can greatly reduce construction engineering cost without another patch facing.Decorative brick can also make architectural appearance simple and tasteful, beautiful
It is beautiful to return ancient and back to nature phychology naturally, catering to people and modernize aesthetic standard.
The kind of decorative brick is very more, purposes is also very extensive.It common are for the various exterior wall decorating tiles of building, use
There are road brick, curb brick etc. in laying road.For having for square and park: square brick, fence brick, pavement bricks etc..It burns
The application for tying shale decorative brick almost includes all building fields.It can be mentioned significantly with the building of sintered decorative brick masonry
The cultural connotation and class of high building.
But decorative brick is often desirable in some fields with ideal intensity and low permeability.However, existing dress
Decorations brick tend not to meet more than the needs of.
The information disclosed in the background technology section is intended only to deepen understanding of the general background technology to the present invention, and
It is not construed as recognizing or implying in any form that the information constitutes the prior art known to those skilled in the art.
Summary of the invention
Based on the deficiencies of the prior art, the present invention provides a kind of glaze, glaze paint, decorative brick and preparation method thereof, with portion
Divide or fully improve, even solve problem above.
The present invention is implemented as follows:
In a first aspect, example of the invention provides a kind of glaze.
Such a glaze can be used for being incorporated into brick by way of sintering, to form the glaze paint of brick.
The glaze includes following components by weight percentage: useless brick 60~70%, borax 25~35%, kaolin 4
~5% and talcum powder 1~2%, wherein useless brick is sintered using shale.
Shale is a kind of rock of complex chemical composition, and various chemical components react and produce after sintering processes
Raw new chemical component.Using shale fire brick either hardness, in terms of performance be all changed.And this
A kind of shale sintered brick of performance of sample is applied to glaze can improve the performance of the glaze paint by firing (mainly to a great extent
Including pressure resistance and water permeability).
In addition, melting temperature and viscosity that useless brick can introduce silica for glaze, glaze can be improved, to glaze with high power
Intensity, such as hardness and wearability are learned, whiteness, the transparency, chemical stability and the coefficient of expansion for reducing glaze of glaze are improved.
Useless brick and kaolin can introduce aluminum oxide for glaze, form the network intermediate of glaze, can be with SiO2Knot
It closes, can be also incorporated into basic anhydride.Al2O3The performance of glaze can be improved, improve chemical stability, consistency and elasticity, and reduce
The coefficient of expansion of glaze.Al appropriate2O3Glaze paint can be prevented to be cracked, improve the melting temperature of glaze, increased the high temperature viscosity of melt, make
Glaze has necessary stability under maturing temperature.
It is main that talcum can introduce magnesia for glaze.MgO is strong active fluxing agent, and the flowing of glaze melt can be improved
Property；It can promote the formation of body-glaze intermediate layer, to weaken the cracking of glaze paint, improve the hardness and wearability of glaze paint.
Borax can introduce B for glaze2O3。B2O3(diboron trioxide) is strong fluxing agent, is introduced into glaze and can significantly drop in right amount
The melting temperature of low glaze reduces the coefficient of expansion of glaze, increases glaze to naughty refractive index, improves glossiness, improve hardness of glaze surface and bullet
Property.Fusant itself does not crystallize not only, moreover it is possible to and other compounds crystallization tendency is hindered, therefore can avoid glaze devitrification phenomenon and occur, it is opposite
The dissolubility of oxide is very strong.
With reference to first aspect, in the first possible embodiment of first aspect, glaze includes by weight percentage
The following components of meter: useless brick 62~65%, borax 26~31%, kaolin 4~5% and talcum powder 1~2%；
Optionally, glaze includes following components by weight percentage: useless brick 65%, borax 30%, kaolin 4% with
And talcum powder 1%.
Optionally, the brick that gives up is formed using shale and coal gangue sintering, and shale content is 80~95wt%, coal in useless brick
The content of spoil is 5~20wt%.
The adjustable brick tire color of gangue, and shale is substituted partly with it, the utilization of gangue may be implemented, and
It is unlikely to the performance of glaze paint made by the useless brick of excessive influence and the glaze especially obtained simultaneously.
By suitably adjusting and selecting the dosage of different material, the balanced application of various materials may be implemented, so as to root
It is selected according to each material price.
With reference to first aspect with the first possible embodiment of first aspect, second in first aspect is possible
In embodiment, glaze includes modifying agent, and modifying agent includes thickener.
Optionally, modifying agent includes the thickener provided in the form being scattered in alcoholic solvent and White Carbon black；
Optionally, thickener includes cellulose thickener, cellulose thickener include hydroxymethyl cellulose and its salt,
One of hydroxyethyl cellulose and its salt or a variety of combinations；
Optionally, alcoholic solvent includes one of ethyl alcohol, ethylene glycol, glycerine or a variety of combinations.
The Combination in glaze between each material can be enhanced in the use of modifying agent, such as is easier to combine, adjusts viscosity,
It is easier to be attached to target object surface.
Due to alcohol, thickener and White Carbon black mix resulting modifying agent as a kind of not metal ion binder at
Divide, glaze can be made to be made as being used for when such as coating operates not in the environment that pH value is in neutrality using enhancing stickiness
Easily layering and component segregation.
In second aspect, the embodiment of the invention provides a kind of glaze paints.
Glaze paint is used as above-mentioned glaze is sintered.
Glaze paint obtained in example is made using aforementioned glaze, with ideal compressive property and permeability rate.
In the third aspect, the embodiment of the invention provides a kind of decorative bricks.
Decorative brick include brick body, be formed in brick body surface such as above-mentioned glaze paint.Brick body mainly uses shale to be sintered.
By being formed on its surface glaze paint using shale sintered brick as brick body.Since the glaze and brick body that form glaze paint wrap
It is sintered ingredient containing shale, the chemical component of the two has certain similarity.Therefore, the two is easier to combine.And glaze paint is in brick
Body sufficiently combines, interpenetrates the property that both can improve interface, both can be balanced stress and compression strength is combined to be distributed,
It is more able to bear high pressure and is unlikely to damage or be separated from each other.In addition, surface is more due to that can generate the nature of glass after glaze paint reaction
Add smooth, beauty.Since high temperature can decompose, object is less, and bubble is less, while brick body can supplement the chemical component of part, and
The abundant combination of its each component, can reduce the generation of cracking and fine crack, to reduce water absorption rate/water penetration, infiltration (is fitted more slowly
For a degree of high pressure waterproof demand).
In conjunction with the third aspect, in a kind of possible embodiment of the third aspect, glaze paint with a thickness of 1~2mm.
Glaze paint can with relatively less dosage in the case where improve brick performance, promote the quality of decorative brick, while unlikely
In the weight, the cost of manufacture that excessively increase decorative brick.
In fourth aspect, the embodiment of the invention provides a kind of methods for making decorative brick.
This method comprises:
Brick body is provided, brick body is sintered using shale；
Pulp layer is formed on brick body surface to obtain to imitation frosted glass, pulp layer use modulated such as above-mentioned glaze with dispersion liquid and
At, and glaze is graininess；
It is sintered with given sintering procedure to imitation frosted glass, sintering procedure includes drying steps, carries out after the drying step
Sintering step, wherein drying steps are performed the dispersion liquid to remove partial amount, and sintering step is performed send out glaze
Raw vitrescence reaction.
Decorative brick production method in example has the advantages that simple, easily operated.Thus the decorative brick energy that method obtains
It is enough to meet actual demand in compression strength and water sorption method.
In conjunction with fourth aspect, in the first possible embodiment of fourth aspect, drying steps are performed to de-
Except the dispersion liquid of partial amount makes 12~16wt% of content of the dispersion liquid to imitation frosted glass.
Optionally, the content of dispersion liquid is 13~15wt%.
Optionally, the content of dispersion liquid is 12~14wt%.
Optionally, the content of dispersion liquid is 13~16wt%.
Since there is appropriate viscosity degree to be used to be attached to the form of the dispersion liquid on brick body surface for glaze signal, because
This, and its sintering temperature that Vitrification occurs is relatively high.Therefore, make liquid portion therein by being dried in advance
It loses, problem of Cracking when to avoid high temperature, while hole is formed by liquid evaporation when the reaction of surface glaze, to avoid hole
The problem of caused seepage rate improves, strength reduction.
In conjunction with the first possible embodiment of fourth aspect, in second of possible embodiment of fourth aspect
In, the fineness of the particulate matter in glaze is 45~80 microns.
Optionally, the fineness of the particulate matter in glaze is 48~76 microns.
Optionally, the fineness of the particulate matter in glaze is 50~65 microns.
Optionally, the fineness of the particulate matter in glaze is 55~60 microns.
It is apparent that each raw material contact is more fully in favor of the progress being mixed with each other and follow-up sintering reacts in glaze.
Also, by the granularity of refinement glaze, the sophistication of glaze paint can be increased (between correspondingly reducing between coarse particles object
Gap), smoothness.
In conjunction with fourth aspect, in the third possible embodiment of fourth aspect, sintering step is at 800~1300 DEG C
It is performed to make glaze that vitrescence reaction occur.
Optionally, sintering step is performed to make glaze that vitrescence reaction occur at 860~1250 DEG C.
Optionally, sintering step is performed to make glaze that vitrescence reaction occur at 900~1100 DEG C.
Optionally, sintering step is performed to make glaze that vitrescence reaction occur at 1000~1200 DEG C.
The adjustable decorative brick comprehensive performance of sintering temperature is suitably adjusted, such as appearance, crushing resistance and seepage of water, and
Its fabrication cycle can also be adjusted.
The utility model has the advantages that
Glaze provided in an embodiment of the present invention using sintering shale brick as one of raw material, ask by the utilization that can solve the useless brick of shale
Topic, avoids solid waste.Meanwhile various composition can cooperate in glaze, and be combined with each other with brick and to improve the outer of brick
Sight and performance, improve its ease for use.
Specific embodiment
Embodiment of the present invention is described in detail below in conjunction with embodiment, but those skilled in the art will
Understand, the following example is merely to illustrate the present invention, and is not construed as limiting the scope of the invention.It is not specified in embodiment specific
Condition person carries out according to conventional conditions or manufacturer's recommended conditions.Reagents or instruments used without specified manufacturer is
The conventional products that can be obtained by commercially available purchase.
It is specifically described below for a kind of glaze of the embodiment of the present invention, glaze paint, decorative brick and preparation method thereof:
Currently, common decorative brick, which is mostly that concrete decorative brick is either some, is only made as concrete color and shape
Other substances of shape.And concrete decorative brick is commonly gathered materials with cement and sand, rubble or cobble etc. for primary raw material, or with cement
It is primary raw material with light-weight aggregates such as pottery sand, haydite or expanded perlites, is made through raw material preparation, pressurization or vibration pressurization, maintenance
At.
It is apparent that such decorative brick does not account for the utilization of various solid waste, it is fabricated to point relatively high.
Shale is a kind of sedimentary rock, by silt particle after the deposition of the low laying areas such as lake, ocean, is transported by more than one hundred million years geology
Dynamic, the rock formed under huge pressure and cementation, stratification is obvious, and rock matter densification is uniform, and hardness is low, waterproof,
It is ideal brick-making raw material after exploitation, crushing, working process.It is very potential with shale production decorative brick, but it is existing
The compressive property and water permeability of the decorative brick of this type are not able to satisfy actual demand.
In view of this, proposing a kind of glaze that can be used to improve decorative brick performance in example of the present invention.The glaze
It can be used for being incorporated into brick by way of sintering, to form the glaze paint of brick.It can obtain thus to obtain decorative brick by glaze paint band
The improved compressive property and water permeability come, and the appearance of decorative brick can also be improved.
Glaze includes following components by weight percentage: useless brick 60~70%, borax 25~35%, kaolin 4~
5% and talcum powder 1~2%, wherein useless brick is mainly to be sintered using shale.
Optionally, glaze includes following components by weight percentage: useless brick 62~65%, borax 26~31%, height
Ridge soil 4~5% and talcum powder 1~2%.In some optional specific examples, glaze includes by weight percentage following
Component: useless brick 65%, borax 30%, kaolin 4% and talcum powder 1%；
Glaze in example can largely utilize shale mainly using useless brick, realize the recycling of useless brick.It needs
What is illustrated makes, and such useless brick, which can be, to be fully made using shale；Alternatively, useless brick is made of stones using shale and bastard coal
It forms.Alternatively, the brick that gives up is formed using shale and coal gangue sintering, and in useless brick shale content be 80~95wt%,
The content of gangue is 5~20wt%.
Further, based on needs, when sintering obtains glaze paint, the various materials in glaze combine in a mixed way,
And carry out corresponding reaction.Therefore, make various materials abundant during the reaction and constantly contact to be significant advantageous.It is based on
This, glaze includes modifying agent, and modifying agent includes thickener.Thickener makes glaze be easier to maintenance state and avoids generation ingredient inclined
Analysis, is also easier to form glaze layer (scraping coating, brush applied coating, printing layer, spray coating etc.).
Further, modifying agent may include the thickener provided in the form being scattered in alcoholic solvent and White Carbon black, weight
Amount ratio can be thickener: White Carbon black: alcoholic solvent=2:1:50 or 3:2:46.Such modifying agent can improve glaze well
The associativity of material, and be unlikely to increase metallic element, thus the formation of metal oxide unexpected when glaze being avoided to be sintered,
Simultaneously be additionally favorable for glaze by it is various it is appropriate in the form of be transferred to desired object (such as brick body).
In example, the thickener includes cellulose thickener, and the cellulose thickener includes hydroxylmethyl cellulose
One of element and its salt, hydroxyethyl cellulose and its salt or a variety of combinations.Hydroxymethyl cellulose salt can be sodium salt, hydroxyl second
Base cellulosate can make sodium salt.Cellulose thickener can be the combination of hydroxymethyl cellulose and sodium cellulose glycolate
(weight such as 1:1)；Alternatively, the combination (weight such as 1:2) of sodium cellulose glycolate and hydroxyethyl cellulose；Alternatively, hydroxyl first
The combination (weight such as 1:2:2) of base sodium cellulosate, sodium hydroxyethyl cellulose and hydroxyethyl cellulose.
Optionally, alcoholic solvent includes one of ethyl alcohol, ethylene glycol, glycerine or a variety of combinations.Such as ethyl alcohol and second two
The combination (volume such as 1:2) of alcohol or the combination (volume such as 1:1) of ethyl alcohol and glycerine or ethyl alcohol, ethylene glycol, glycerine
The combination of (volume such as 2:1:2).
Based on above glaze, a kind of glaze paint is provided in example, and the glaze is used to be sintered.The sintering of glaze is
It is completed under oxygen atmosphere.It is 800~1300 DEG C that sintering temperature, which can choose,.
Further, a kind of decorative brick is additionally provided in example.The decorative brick includes brick body, is formed in brick body surface
Glaze paint, brick body therein mainly uses shale to be sintered.In some examples, glaze paint with a thickness of 1~2mm.
Correspondingly, a kind of method for making decorative brick is additionally provided in example.
Method includes:
Brick body is provided, brick body is sintered using shale.
It forms pulp layer on brick body surface to obtain to imitation frosted glass, pulp layer uses the glaze such as any one of 1~5 to disperse
Liquid is modulated, and glaze is graininess.
Optionally, the fineness of the particulate matter in glaze be 45~80 microns, preferably 48~76 microns, more preferably 50~
65 microns, further preferably 55~60 microns.Such as raw material can be made as by pulverizer, grinder etc. desired thin
Degree.
It is sintered with given sintering procedure to imitation frosted glass, sintering procedure includes drying steps, carries out after the drying step
Sintering step, wherein drying steps are performed the dispersion liquid to remove partial amount, and sintering step is performed send out glaze
Raw vitrescence reaction.
The problems such as to avoid glaze paint from cracking, drying steps are performed point made to the dispersion liquid for removing partial amount to imitation frosted glass
The content of dispersion liquid is 12~16wt%.Optionally, the content of the dry thick dispersion liquid to imitation frosted glass be 13~15wt% or 12~
14wt% or 13~16wt%.
Sintering step is performed at 800~1300 DEG C to react to make the glaze that vitrescence occur, preferably 860~
1250 DEG C, more preferably 900~1100 DEG C, further preferably 1000~1200 DEG C.
Sintering step can be carried out as follows.
After the dry content to desired dispersion liquid of imitation frosted glass, standing makes its temperature reach origin temp (20~35
℃).200 DEG C are heated to by origin temp in 15.6 hours.Then it is Celsius 500 to be heated in 8.5 hours by 200 degrees Celsius
Degree.Then 950 degrees Celsius are heated in 2.8 hours by 500 degrees Celsius.Then 4.2 hours are kept the temperature by 950 degrees Celsius.Then
100 degrees Celsius are cooled in 9.7 hours by 950 degrees Celsius.Being cooled to room temperature can be used.
Normally, which can be used tunnel oven to carry out.Tunnel oven is in its length range, by kiln hood to kiln tail
With it is different can independent heating region, to heat different problems in different zones on demand.
For example, being illustrated by taking 146 meters of tunnel oven as an example.It include the first heating zone (56 meters, 20/35 degree Celsius~
200 degrees Celsius)；Second heating zone (30 meters, 200 degrees Celsius -500 degrees Celsius)；(10 meters, 500 degree Celsius -950 of third heating zone
Degree Celsius)；4th heat preservation zone (15 meters, 950 degrees Celsius)；5th cooling zone (35 meters, 950 degrees Celsius -100 degrees Celsius).Whole
During a, decorative brick can be towed using trolley in tunnel oven, and speed can be 3.6 ms/h.
Decorative brick of the invention is described in further detail with reference to embodiments.
One, brick body makes
Embodiment 1
Brick body is sintered by shale.It is that 3mm granularity is spare that shale crushing, which is sieving,.With water (moisture control 15~
It 20wt%) mixes well and is suppressed as 28MPa in mold, natural air drying obtains adobe.Adobe is placed in kiln and is burnt in 900 degrees Celsius
Knot.
Embodiment 2
Brick body is formed by coal gangue sintering.Its production method is consistent with the production method of brick in embodiment 1.
Embodiment 3
Brick body is sintered by shale (80wt%) and gangue (20wt%).Brick in its production method and embodiment 1
Production method it is consistent.
Embodiment 4
Brick body is sintered by shale (95wt%) and gangue (5wt%).Its production method and the brick in embodiment 1
Production method is consistent.
Embodiment 5
Brick body is sintered by shale (85wt%) and gangue (15wt%).Brick in its production method and embodiment 1
Production method it is consistent.
Embodiment 6
Concrete brick.After cement and river sand are mixed thoroughly according to the mass ratio mixing of 1:3, it is cast in mold and conserves.
Two, glaze slip makes
Embodiment 7
Glaze proportion: useless brick 62.41%, borax 30.81%, kaolin 4.78% and talcum powder 2%.Glaze material granularity is
50 microns.Glaze slip is reconciled for the ratio of 1:1 with water with liquid-solid ratio.Useless brick is using the brick body in embodiment 1.
Embodiment 8
Glaze proportion: useless brick 63.81%, borax 29.65%, kaolin 4.73% and talcum powder 1.81%.Glaze grain
Degree is 50 microns.Glaze slip is reconciled for the ratio of 1:1 with water with liquid-solid ratio.Useless brick is using the brick body in embodiment 2.
Embodiment 9
Glaze proportion: useless brick 64.4%, borax 30.27%, kaolin 4.08% and talcum powder 1.25%.Glaze material granularity
It is 50 microns.Glaze slip is reconciled for the ratio of 3:2 with water with liquid-solid ratio.Useless brick is using the brick body in embodiment 3.
Embodiment 10
Glaze proportion: useless brick 67.29%, borax 27.52%, kaolin 4.37%, talcum powder 0.72% and 0.1% hydroxyl
Base sodium cellulosate.Glaze material granularity is 50 microns.Glaze slip is reconciled for the ratio of 3:2 with water with liquid-solid ratio.Useless brick is using in embodiment 4
Brick body.
Embodiment 11
Glaze proportion: useless brick 62.33%, borax 30.92%, kaolin 4.96%, talcum powder 1.79% and 0.6% change
Property agent.Thickener in modifying agent: White Carbon black: alcoholic solvent=2:1:50 (weight ratio).Glaze material granularity is 50 microns.Glaze slip is with liquid
Gu than being that the ratio of 5:4 is reconciled with water.Useless brick is using the brick body in embodiment 6.
Embodiment 12
Glaze proportion: useless brick 64.33%, borax 30.89%, kaolin 4.13%, talcum powder 0.05% and 0.6% change
Property agent.Thickener in modifying agent: White Carbon black: alcoholic solvent=2:1:50 (weight ratio).Glaze material granularity is 50 microns.Glaze slip is with liquid
Gu than being that the ratio of 5:4 is reconciled with water.Useless brick is using the brick body in embodiment 1.
Three, decorative brick makes
Embodiment 13
By the brick body surface of glaze slip coating in embodiment 1 in embodiment 7.Decorative brick manufacture craft is as follows: after molding,
It stands until the moisture content of glaze slip is down to 14wt%.Then 900 degrees Celsius are gradually heated to by room temperature to be sintered.Agglomerating plant
For tunnel oven, sintering process are as follows: 20~200 degrees Celsius (15 hours), 200~500 degrees Celsius (8 hours), 500~900 is Celsius
It spends (2.8 hours), 950 degrees Celsius keep the temperature 4 hours, and 950 are cooled to 100 degrees Celsius (10 hours), then cool to room temperature with the furnace
It comes out of the stove.
Embodiment 14
By the brick body surface of glaze slip coating in example 2 in embodiment 8.Manufacture craft is such as
Embodiment 13.
Embodiment 15
The brick body surface of glaze slip coating in embodiment 3 in embodiment 9.Manufacture craft such as embodiment 13.
Embodiment 16
The brick body surface of glaze slip coating in example 4 in embodiment 10.Manufacture craft is such as
Embodiment 13.
Embodiment 17
Glaze slip in embodiment 11 is coated in the brick body surface in embodiment 6.Manufacture craft is such as
Embodiment 13.
Embodiment 18
The brick body surface of glaze slip coating in embodiment 1 in embodiment 12.Manufacture craft is such as
Embodiment 13.
Test example 1
The decorative brick in embodiment 1-4,6,13-18 is carried out according to GB/T 2542-2012 " Test methods for wall bricks "
Crush test.MU15, pressure resistance can be set to according to the compression strength of GB/T 5101-2017 " fired common brick " each decorative brick
Degree is as shown in table 1.
1 decorative brick compression strength of table
By the above result shows that, compared to former brick body, imitated by the resistance to compression that glazing can improve brick body to a certain extent
Fruit.And for the glaze decoration using the brick body without shale, the compression strength of shale sintered decorative brick is showed
More preferably.
Test example 2
Water absorption rate test.Decorative brick clears up brick body surface using hairbrush, then brick body is put into drying in 100 DEG C of drying box
Its dry mass is referred to as G afterwards for 24 hours0.The brick body after drying is put into the water tank that temperature is 20 DEG C again.Immersion is wiped with towel afterwards for 24 hours
Remove surface moisture, by impregnate for 24 hours after wet sample it is edge-on be put on the grate plate of boiling case, sample spacing cannot be less than 10mm,
Injected clear water, the water surface should be higher than that specimen surface 50mm in case, be heated to boiling, and 5h is boiled in boiling.5h is boiled in saturation coefficient test, stops
Heating, is cooled to room temperature, and quality is referred to as G after it absorbs water5.Sample boiling boils 5h water absorption rate W5 and (W5=(G is calculated as follows5-G0)/
G0), it is accurate to 0.1%.Sample boiling boils 5h water absorption rate test comparing result and is shown in Table 2.
2 decorative brick water absorption rate of table
It is 18.92% by common brick body water absorption rate average value by could be aware that with result, and sintering shale decorative brick is inhaled
Water rate average value is 16.82%.I.e. by glazing, the seepage of water of common brick declines.Illustrate using spraying glaze attachment brick body table
Brick body surface glaze paint made of the roasting of face secondary high-temperature is fine and close, and water absorption rate is low, there is preferable waterproof performance and resistance to weathering energy.
Although illustrate and describing the present invention with specific embodiment, it will be appreciated that without departing substantially from of the invention
Many other change and modification can be made in the case where spirit and scope.It is, therefore, intended that in the following claims
Including belonging to all such changes and modifications in the scope of the invention.
Claims (10)
1. a kind of glaze, for being incorporated into brick by way of sintering, to form the glaze paint of brick, which is characterized in that the glaze
Including following components by weight percentage: useless brick 60~70%, borax 25~35%, kaolin 4~5% and talcum powder
1~2%, wherein the useless brick is mainly to be sintered using shale.
2. glaze according to claim 1, which is characterized in that the glaze includes by weight percentage with the following group
Point: useless brick 62~65%, borax 26~31%, kaolin 4~5% and talcum powder 1~2%；
Preferably, the glaze includes following components by weight percentage: useless brick 65%, borax 30%, kaolin 4% with
And talcum powder 1%；
Preferably, the useless brick is formed using shale and coal gangue sintering, and in the useless brick shale content be 80~
95wt%, gangue content be 5~20wt%.
3. glaze according to claim 1 or 2, which is characterized in that the glaze includes modifying agent, and the modifying agent includes
Thickener；Preferably, the modifying agent includes the thickener provided in the form being scattered in alcoholic solvent and White Carbon black；
It is highly preferred that the thickener includes cellulose thickener, the cellulose thickener includes hydroxymethyl cellulose
And its one of salt, hydroxyethyl cellulose and its salt or a variety of combinations；
It is further preferred that the alcoholic solvent includes one of ethyl alcohol, ethylene glycol, glycerine or a variety of combinations.
4. a kind of glaze paint, which is characterized in that be sintered using the glaze as described in any one of claims 1 to 3.
5. a kind of decorative brick, which is characterized in that the decorative brick include brick body, be formed in brick body surface such as claim
Glaze paint described in 4, brick body mainly use shale to be sintered.
6. decorative brick according to claim 5, which is characterized in that the glaze paint with a thickness of 1~2mm.
7. a kind of method for making decorative brick, which is characterized in that the described method includes:
Brick body is provided, brick body is sintered using shale；
It forms pulp layer on brick body surface to obtain to imitation frosted glass, the pulp layer is used such as any one of claims 1 to 3
The glaze is modulated with dispersion liquid, and the glaze is graininess；
It is described to imitation frosted glass with given sintering procedure sintering, the sintering procedure include drying steps, the drying steps it
The sintering step carried out afterwards, wherein the drying steps are performed the dispersion liquid to remove partial amount, the sintering step
Suddenly it is performed to make the glaze that vitrescence reaction occur.
8. the method for production decorative brick according to claim 7, which is characterized in that the drying steps are performed to de-
Make 12~16wt% of content of the dispersion liquid to imitation frosted glass, preferably 13~15wt% except the dispersion liquid of partial amount, it is more excellent
It is selected as 12~14wt%, further preferably 13~16wt%.
9. the method for production decorative brick according to claim 8, which is characterized in that the fineness of the particulate matter in the glaze
It is 45~80 microns, preferably 48~76 microns, more preferably 50~65 microns, further preferably 55~60 microns.
10. the method for production decorative brick according to claim 7, which is characterized in that the sintering step is 800~1300
It DEG C is performed to make the glaze occur vitrescence reaction, preferably 860~1250 DEG C, more preferably 900~1100 DEG C,
Further preferably 1000~1200 DEG C.
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| CN201811382205.5A CN109231832B (en) | 2018-11-20 | 2018-11-20 | Glaze, glaze surface, decorative brick and manufacturing method thereof |
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