CN108516847A - The preparation process of a kind of environmentally friendly band temperature brick of low cost and its with warm brick - Google Patents
The preparation process of a kind of environmentally friendly band temperature brick of low cost and its with warm brick Download PDFInfo
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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
- C04B35/00—Shaped ceramic products characterised by their composition; Ceramics compositions; Processing powders of inorganic compounds preparatory to the manufacturing of ceramic products
- C04B35/66—Monolithic refractories or refractory mortars, including those whether or not containing clay
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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
- C04B33/00—Clay-wares
- C04B33/02—Preparing or treating the raw materials individually or as batches
- C04B33/13—Compounding ingredients
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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
- 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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- 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
- 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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- C—CHEMISTRY; METALLURGY
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- 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
- C04B2235/70—Aspects relating to sintered or melt-casted ceramic products
- C04B2235/96—Properties of ceramic products, e.g. mechanical properties such as strength, toughness, wear resistance
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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
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02P—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION OR PROCESSING OF GOODS
- Y02P40/00—Technologies relating to the processing of minerals
- Y02P40/60—Production of ceramic materials or ceramic elements, e.g. substitution of clay or shale by alternative raw materials, e.g. ashes
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Abstract
The preparation process of a kind of environmentally friendly band temperature brick of low cost and its with warm brick, preparation process includes the following steps：(1) 18~22 parts of black muds, 18~22 parts of pressure mud, 55~65 parts of refractory brick waste residues, 0.03~0.05 part of PVA, 0.4~0.5 part of lignin, 0.75~0.81 part of sodium metasilicate and 43~48 parts of water in terms of weight part ratio are subjected to mixing and ball milling and form slurry, and the warm brick powder of band is obtained by spray drying；(2) it will be imposed in compacting tool set after compression moulding with warm brick powder cloth, and enter klining at can be obtained finished product；The band temperature brick not only high-temperature flame-proof, but also intensity higher prepared by the present invention, is conducive to Reusability, while greatly reducing manufacturing cost, more environmentally-friendly energy saving, processing step is simple.
Description
Technical field
The present invention relates to architectural pottery technical field more particularly to a kind of systems of the environmentally friendly band temperature brick of low cost
For technique and its with warm brick.
Background technology
The existing production plant in Ceramic Tiles is formed by a firing using roller kilns, and what is generally taken is 24 hours uninterrupted raw
Production.And in uninterrupted production process, for the quality of stable prod, then the temperature of kiln is needed, atmosphere, pressure is kept
Stablize, but in actual production, since production accident or product linking are improper, the phenomenon that often leading to sky kiln, i.e., without brick
Into kiln, kiln sky is caused to burn；Empty kiln can directly have a huge impact the temperature of kiln, atmosphere and pressure, directly endanger
It is exactly again into brick after empty kiln, in abnormal temperature, atmosphere, the brick burnt under pressure is difficult to meet quality control substantially to be wanted
It asks, defect rate is caused to improve, and stablize kiln again into brick after empty kiln and generally require several hours, seriously affect production effect
Rate, therefore direct losses caused by empty kiln are huge.
It is existing to introduce the warm brick of band to solve the problems, such as that above-mentioned production is discontinuous, but the making one of conventional belt temperature brick
As using the sand and mountain flour and the higher mud of plasticity of higher temperatures as raw material, and the silt particle raw material of nature often aluminium
Content does not reach requirement, it is still necessary to improve temperature by additional chemical industry grade aluminum oxide, significantly so as to cause its cost of raw material
It improves, and in process of production, intensity of the Chang Yin with warm brick is insufficient and is easy to generate durings arranging brick, transport etc. broken
Damage, it is difficult to effectively be reused, it is low that there are service lifes, the unstable deficiency of high-temperature flame-proof performance.
Invention content
It is an object of the invention to propose that a kind of preparation process of the environmentally friendly band temperature brick of low cost, preparation obtain
The band temperature brick not only high-temperature flame-proof, but also intensity higher obtained, is conducive to Reusability, while greatly reducing manufacturing cost, more
Add environmental protection and energy saving, processing step simple.
It is another object of the present invention to propose a kind of environmentally friendly band temperature brick of low cost.
For this purpose, the present invention uses following technical scheme：
A kind of preparation process of the environmentally friendly band temperature brick of low cost, includes the following steps：
(1) by terms of weight part ratio 18~22 parts of black muds, 18~22 parts of pressure mud, 55~65 parts of refractory brick waste residues,
0.03~0.05 part of PVA, 0.4~0.5 part of lignin, 0.75~0.81 part of sodium metasilicate and 43~48 parts of water carry out mixing ball
Mill forms slurry, and obtains the warm brick powder of band by spray drying；
(2) it will be imposed in compacting tool set after compression moulding with warm brick powder cloth, and enter klining at can be obtained finished product.This hair
The preparation process of the bright environmentally friendly band temperature brick for proposing low cost, mainly by using the kiln end of the year to repair in formula
When need the refractory brick waste residue that abandons and the pressure mud of raw material plant effluent filtering precipitation extraction to be used as main green body former material
Material can not only obtain high, high-temperature flame-proof performance the band with intensity in combination with auxiliary agents such as PVA, lignin, sodium metasilicate
Warm brick, but also the input cost of raw material can be greatly reduced, and gather materials on the spot and can save refractory brick and pressure mud
Processing cost is more energy-saving and environmentally friendly purpose to realize.Wherein, PVA can play slurry effective suspension effect, make
Each component mixing is more uniform, and system is more stablized；And sodium metasilicate is as degumming agent, and lignin also can be into one
Step improves blank strength.Therefore the band temperature brick not only high-temperature flame-proof is unlikely to soften after effectively preventing adobe absorption heat
The phenomenon that adhering to kiln roller stick, and intensity higher, anti-impact force is strong, is conducive to reuse, prolong the service life, simultaneously
Manufacturing cost is effectively reduced, keeps the preparation process with warm brick more environmentally-friendly energy saving, processing step is simple.
Band temperature brick prepared by the present invention is applied in roller kilns burning process, can be discharged into empty kiln, substitute products
Into kiln, ensure the temperature of kiln, atmosphere, pressure is unaffected, creates one into kiln for normal product and stablizes suitable kiln burning
At environment, to effectively reduce the loss that sky kiln brings factory.
It further illustrates, the Ball-milling Time of slurry described in step (1) is 8~10h, and the fineness modulus of slurry is 0.58
~1.16, the flow velocity of slurry is 30-50m/s.Ball milling is carried out according to the lower 20 tons of balls of the formula of above-mentioned slurry, and controls certain ball
Time consuming, to make each component be sufficiently mixed uniformly, it is ensured that slurry reaches scheduled fineness and flow velocity, finally using old
24~48h of corruption is conducive to the granular mass for improving the band temperature brick powder for carrying out spray drying formation, keeps granulating more uniform.
It further illustrates, the grain graininess control for the band temperature brick powder that the spray drying obtains is less than in 20 mesh screen residues
1%, 40 mesh screen residue 35-45%, 60 mesh screen residue 80-90%, more than 93%, each mesh number tails over as accumulated number 100 mesh screen residues.
By controlling its grain graininess with warm brick powder during spray drying process, and above-mentioned different particle is set
The grading of degree, the unfired brick structure more uniform ground that its compacting can not only be made to be formed, and be conducive to improve the strong of adobe
Degree, structure are more stablized, and reduce the process because of its reuse, such as arrange brick, transport, storage etc. encounters the damage of shock repeatedly
Consumption improves anti-impact force, to ensure the service life with warm brick.
It further illustrates, the moisture for the band temperature brick powder that the spray drying obtains is controlled in 6.75-7.45%.Control
Moisture with warm brick powder makes the unfired brick structure of the sintering procedure in compression moulding and later stage more stablize, avoids the occurrence of and split
The defects of brick, alice and influence intensity and high temperature resistance with warm brick.
It further illustrates, the band temperature brick powder is according to mass percent meter, including following chemical constituent：32~
38Al2O3, 52~58SiO2, 0.5~1.2Fe2O3, 0.3~0.9TiO2, 0.2~0.5CaO, 0.1~0.3MgO, 0.3~
0.8Na2O, 0.8~1.9K2O and 2.1~2.9 loss on ignitions.It is improved by using a certain amount of refractory brick waste residue and pressure mud
Aluminium content with warm brick powder, keeps the high temperature resistance of the band temperature brick of acquisition more preferable, and the plasticity of adobe is good, stable structure.
It further illustrates, the pressure of compression moulding described in step (2) is 38000KN ± 2000KN, forms the thickness of adobe
Degree is 10.0 ± 0.2mm.It will be suppressed with warm brick powder under high-pressure, and can be formed and be close with common ceramic tile
Thickness more accurately keeps the temperature of normal kiln, atmosphere and pressure to make the warm brick of band effectively replace product.
It further illustrates, further includes drying process after the compression moulding, the adobe after compression moulding is entered in dry kiln
30-40min is dried, the temperature of the drying is 100-170 DEG C, and the moisture after the brick bat drying is less than 0.5%.It is logical
The certain moisture for crossing drying process control adobe, further increases the intensity of adobe, and the flexural strength after drying can reach 1.1-
2.0N/cm2。
It further illustrates, the temperature being burnt into described in step (2) is 1210-1280 DEG C, firing period 45-55min.
Certain firing temperature and firing time are controlled, the flexural strength after making adobe be burnt into can reach 18-25N/cm2, effectively keep
Stability and service life with warm brick.
It further illustrates, the slurry is according to weight part ratio meter, including following component：20 parts of black muds, 20 parts of pressures
Mud, 60 parts of refractory brick waste residues, 0.04 part of PVA, 0.45 part of lignin, 0.78 part of sodium metasilicate and 45 parts of water.
Band temperature brick prepared by a kind of preparation process of environmentally friendly band temperature brick by above-mentioned low cost.
Beneficial effects of the present invention：The fire resisting abandoned is needed when the present invention by using the repair of the kiln end of the year in formula
Brick waste residue and raw material plant effluent filtering precipitation extraction pressure mud be used as main green body raw material, in combination with PVA,
The auxiliary agents such as lignin, sodium metasilicate can not only obtain high, high-temperature flame-proof performance the band temperature brick with intensity, but also can be big
It is big to reduce the input cost of raw material, and gather materials on the spot and can save the processing cost of refractory brick and pressure mud, to realize
It is more energy-saving and environmentally friendly purpose；The band temperature brick not only high-temperature flame-proof, but also intensity higher is conducive to Reusability, while effectively
Manufacturing cost is reduced, keeps the preparation process with warm brick more environmentally-friendly energy saving, processing step is simple.Applied to roller kilns
In burning process, it can be discharged into empty kiln, substitute products ensure the temperature of kiln into kiln, and atmosphere, pressure is unaffected,
One is created into kiln for normal product and stablize suitable kiln firing environment, effectively reduce the loss that sky kiln brings factory.
Specific implementation mode
The technical solution further illustrated the present invention below by specific implementation mode.
A kind of preparation process of the environmentally friendly band temperature brick of low cost of embodiment group-, includes the following steps：
(1) by terms of weight part ratio 18 parts of black muds, 22 parts of pressure mud, 55 parts of refractory brick waste residues, 0.03 part of PVA,
0.5 part of lignin, 0.81 part of sodium metasilicate and 43 parts of water carry out mixing and ball milling and form slurry, and obtain band by spray drying
Warm brick powder；
(2) it will be imposed in compacting tool set after compression moulding with warm brick powder cloth, and enter klining at can be obtained finished product.
According to above-mentioned preparation process, and only change according to parts by weight the proportioning such as following table of each recipe ingredient of slurry
1, the warm brick finished product of band accordingly is obtained, and test the body crack defects of obtained band temperature brick finished product；
The adobe performance test of 1 different band temperature brick finished product of table
As can be seen from the above table, it by the refractory brick waste residue and pressure mud that centainly match as main green body raw material, and ties
The auxiliary agents such as a certain amount of PVA, lignin, sodium metasilicate are closed, can be effectively improved with the warm intensity of brick and the performance of high-temperature flame-proof,
And it realizes the input cost for greatly reducing raw material and saves the processing cost to refractory brick waste residue and pressure mud,
Manufacturing cost is effectively reduced, keeps the preparation process with warm brick more environmentally-friendly energy saving.Wherein, each component in preferred embodiment 3 is matched
Than the flexural strength of the band temperature brick obtained after the drying has reached 2.0N/cm2, the flexural strength after firing can reach
25N/cm2。
A kind of preparation processes of the environmentally friendly band temperature brick of low cost of embodiment 7-, include the following steps：
(1) by terms of weight part ratio 20 parts of black muds, 20 parts of pressure mud, 60 parts of refractory brick waste residues, 0.04 part of PVA,
0.45 part of lignin, 0.78 part of sodium metasilicate and 45 parts of water form slurry after carrying out mixing and ball milling 8h, and the fineness modulus of slurry is
0.58, the flow velocity of slurry is 30m/s, and obtains the warm brick powder of band by spray drying；
Wherein, the grain graininess control for being spray-dried the band temperature brick powder of acquisition is less than 1% in 20 mesh screen residues, 40 mesh sieve
Remaining 35-45%, 60 mesh screen residue 80-90%, 100 mesh screen residues are more than 93%, and each mesh number tails over as accumulated number；The warm brick powder of band
Moisture control 6.75%；
(2) it will be imposed in compacting tool set with warm brick powder cloth, after using pressure to be pressed for 38000KN, adobe
Thickness be 10.0mm, it is 1210 DEG C, firing period 45min to enter klining into the temperature of, firing, obtains the environment of low cost
Friendly band temperature brick 1, and the flexural strength tested after its firing is 27N/cm2, refractoriness >=1785 DEG C.
A kind of preparation processes of the environmentally friendly band temperature brick of low cost of embodiment 8-, include the following steps：
(1) by terms of weight part ratio 20 parts of black muds, 20 parts of pressure mud, 60 parts of refractory brick waste residues, 0.04 part of PVA,
0.45 part of lignin, 0.78 part of sodium metasilicate and 45 parts of water form slurry, the fineness modulus of slurry after carrying out mixing and ball milling 10h
It is 1.16, the flow velocity of slurry is 50m/s, and obtains the warm brick powder of band by spray drying；
Wherein, the grain graininess control for being spray-dried the band temperature brick powder of acquisition is less than 1% in 20 mesh screen residues, 40 mesh sieve
Remaining 35-45%, 60 mesh screen residue 80-90%, 100 mesh screen residues are more than 93%, and each mesh number tails over as accumulated number；The warm brick powder of band
Moisture control 7.45%；
(2) it will be imposed in compacting tool set with warm brick powder cloth, after using pressure to be pressed for 40000KN, adobe
Thickness be 10.2mm, the adobe after compression moulding is entered, 40min is dried in dry kiln, the temperature of the drying is 170
DEG C, the moisture 0.45% after the brick bat drying enters klining at the temperature of firing is 1280 DEG C, and firing period 55min is obtained
The flexural strength for obtaining inexpensive environmentally friendly band temperature brick 2, and testing after its firing is 27N/cm2, refractoriness >=1788
℃。
A kind of preparation processes of the environmentally friendly band temperature brick of low cost of embodiment 9-, include the following steps：
(1) by terms of weight part ratio 20 parts of black muds, 20 parts of pressure mud, 60 parts of refractory brick waste residues, 0.04 part of PVA,
0.45 part of lignin, 0.78 part of sodium metasilicate and 45 parts of water form slurry after carrying out mixing and ball milling 9h, and the fineness modulus of slurry is
1.02, the flow velocity of slurry is 40m/s, and obtains the warm brick powder of band by spray drying；
Wherein, the grain graininess control for being spray-dried the band temperature brick powder of acquisition is less than 1% in 20 mesh screen residues, 40 mesh sieve
Remaining 35-45%, 60 mesh screen residue 80-90%, 100 mesh screen residues are more than 93%, and each mesh number tails over as accumulated number；The warm brick powder of band
Moisture control 7.25%；
(2) it will be imposed in compacting tool set with warm brick powder cloth, after using pressure to be pressed for 36000KN, adobe
Thickness be 9.8mm, the adobe after compression moulding is entered, 30min is dried in dry kiln, the temperature of the drying is 100
DEG C, the moisture 0.4% after the brick bat drying enters klining at the temperature of firing is 1250 DEG C, and firing period 50min is obtained
The flexural strength for obtaining inexpensive environmentally friendly band temperature brick 3, and testing after its firing is 28N/cm2, refractoriness >=1790
℃。
By controlling above-mentioned band it can be seen from the flexural strength performance for the band temperature brick that embodiment 7~9 prepares
The preparation technology parameter of warm brick, can effectively ensure that can reach higher intensity and the property of preferable high-temperature flame-proof with warm brick
Energy.
The technical principle of the present invention is described above in association with specific embodiment.These descriptions are intended merely to explain the present invention
Principle, and limiting the scope of the invention cannot be construed in any way.Based on the explanation herein, this field
Technical staff would not require any inventive effort the other specific implementation modes that can associate the present invention, these modes are all
It will fall under the scope of the present invention.
Claims (10)
1. a kind of preparation process of the environmentally friendly band temperature brick of low cost, it is characterised in that：Include the following steps：
(1) by 18~22 parts of black muds in terms of weight part ratio, 18~22 parts of pressure mud, 55~65 parts of refractory brick waste residues, 0.03
~0.05 part of PVA, 0.4~0.5 part of lignin, 0.75~0.81 part of sodium metasilicate and 43~48 parts of water carry out mixing and ball milling and are formed
Slurry, and obtain the warm brick powder of band by spray drying；
(2) it will be imposed in compacting tool set after compression moulding with warm brick powder cloth, and enter klining at can be obtained finished product.
2. a kind of preparation process of the environmentally friendly band temperature brick of low cost according to claim 1, it is characterised in that：Step
Suddenly the Ball-milling Time of slurry described in (1) is 8~10h, and the fineness modulus of slurry is 0.58~1.16, and the flow velocity of slurry is 30-
50m/s。
3. a kind of preparation process of the environmentally friendly band temperature brick of low cost according to claim 1, it is characterised in that：Institute
The grain graininess control for stating the band temperature brick powder that spray drying obtains is less than 1%, 40 mesh screen residue 35-45%, 60 in 20 mesh screen residues
Mesh screen residue 80-90%, 100 mesh screen residues are more than 93%, and each mesh number tails over as accumulated number.
4. a kind of preparation process of the environmentally friendly band temperature brick of low cost according to claim 1, it is characterised in that：Institute
The moisture for stating the band temperature brick powder that spray drying obtains is controlled in 6.75-7.45%.
5. a kind of preparation process of the environmentally friendly band temperature brick of low cost according to claim 1, it is characterised in that：Institute
The warm brick powder of band is stated according to mass percent meter, including following chemical constituent：32~38Al2O3, 52~58SiO2, 0.5~
1.2Fe2O3, 0.3~0.9TiO2, 0.2~0.5CaO, 0.1~0.3MgO, 0.3~0.8Na2O, 0.8~1.9K2O and 2.1~
2.9 loss on ignition.
6. a kind of preparation process of the environmentally friendly band temperature brick of low cost according to claim 1, it is characterised in that：Step
Suddenly the pressure of compression moulding described in (2) is 38000KN ± 2000KN, and the thickness for forming adobe is 10.0 ± 0.2mm.
7. a kind of preparation process of the environmentally friendly band temperature brick of low cost according to claim 1, it is characterised in that：Institute
It further includes drying process to state after compression moulding, the adobe after compression moulding is entered, 30-40min is dried in dry kiln, described
Dry temperature is 100-170 DEG C, and the moisture after the brick bat drying is less than 0.5%.
8. a kind of preparation process of the environmentally friendly band temperature brick of low cost according to claim 1, it is characterised in that：Step
Suddenly the temperature being burnt into described in (2) is 1210-1280 DEG C, firing period 45-55min.
9. a kind of preparation process of the environmentally friendly band temperature brick of low cost according to claim 1, it is characterised in that：Institute
Slurry is stated according to weight part ratio meter, including following component：20 parts of black muds, 20 parts of pressure mud, 60 parts of refractory brick waste residues, 0.04 part
PVA, 0.45 part of lignin, 0.78 part of sodium metasilicate and 45 parts of water.
10. a kind of preparation process of environmentally friendly band temperature brick by the low cost as described in any one of claim 1~9
The band temperature brick of preparation.
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Cited By (1)
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| CN111174576A (en) * | 2019-12-30 | 2020-05-19 | 肇庆乐华陶瓷洁具有限公司 | Method for adjusting temperature curve of kiln system by using brick with temperature |
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| CN111174576B (en) * | 2019-12-30 | 2021-12-03 | 肇庆乐华陶瓷洁具有限公司 | Method for adjusting temperature curve of kiln system by using brick with temperature |
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