A kind of preparation method and prepared adobe of magnesite adobe
Technical field
The present invention relates to the preparation methods and prepared brick of magnesite material technical field more particularly to a kind of magnesite adobe
Base.
Background technique
Magnesite material belongs to pure inorganic bonding material, has environmentally protective, nontoxic, radiationless, fire resisting, ageing-resistant, acidproof
The excellent properties such as alkali, special-shaped moulding is easy to accomplish, low-temperature setting, is not necessarily to high temperature sintering, therefore be widely used in production.
But current magnesite product in the market is all made of the modes such as stream slurry injection molding, roll-in, extruding and is prepared, and existing
Stream slurry injection molded because of the limitation of the mobility of slurry, preparation process is single, for magnesite adobe pattern texture design compared with
It is difficult to control, cause the pattern texture for tending to generate the magnesite adobe being prepared into during preparation to exist random uncertain
Property, design can not be precisely controlled, to cause the at high cost, wasting of resources because generating underproof decorative effect
The phenomenon that, and the bulk density of the magnesite adobe as made from stream slurry injection molding is low, hardness is inhomogenous, flexural strength is low and water suction
The larger problem of rate, therefore magnesite unfired brick quality is difficult to control and magnesite adobe high quality is wanted without being able to satisfy consumer
It asks.
Summary of the invention
It is described it is an object of the invention to propose the preparation method of a kind of High anti bending strength and the uniform magnesite adobe of quality
Magnesite adobe has the characteristics that big bulk density, High anti bending strength, water absorption rate are low.
It is another object of the present invention to propose that a kind of line image is clearly demarcated and the magnesite adobe of easily controllable design.
A kind of preparation method of magnesite adobe, includes the following steps:
Step 1) is granulated: the raw material for preparing magnesite adobe is uniformly mixed, slurry is made, makes slurry primary solidification, it will be first
Step solidifies the initial cure material obtained and carries out crushing and screening, obtains green brick forming powder particles;
The molding of step 2) cloth: cloth is carried out with powder particles using the green brick forming that step 1) obtains, is then pressed into
Type obtains magnesite adobe.
Preferably, in the above-mentioned methods, the curing time of primary solidification is 30min~180min in step 1).
Preferably, in the above-mentioned methods, slurry primary solidification carries out under the conditions of constant temperature and humidity in step 1), temperature
It is 30 DEG C~80 DEG C, humidity is 40%~90%.
Preferably, in the above-mentioned methods, compression moulding is vacuum, concussion compression moulding.
Preferably, in the above-mentioned methods, slurry primary solidification carries out under the conditions of constant temperature and humidity, and temperature is 30 DEG C~60
DEG C, humidity is 50%~90%.
It preferably, in the above-mentioned methods, further include maintenance process after step 2), maintenance process is first to carry out steam press maintenance,
Constant temperature and humidity maintenance is carried out again, and the steam pressure temperature of steam press maintenance is 150 DEG C~200 DEG C, pressure is 0.1MPa~1.0MPa, steam pressure
Curing time is 10 minutes~12 hours;Constant temperature and humidity curing temperature is 30 DEG C~60 DEG C, humidity is 50%~90%, and the time is
2 hours~48 hours.
It preferably, in the above-mentioned methods, further include spraying mill base to the initial cure material in granulation process in step 1)
And/or the step of spray toner, the coloured magnesite material particle powder of tool is made.
Preferably, in the above-mentioned methods, cloth moulding process uses at least one coloured magnesite material of tool in step 2)
Expect that particle powder is used as texture material, the texture material is passed through the distributing mode that can preset texture material lines and its distributing position and
Basic magnesite material particle powder carries out cloth molding.Here basic magnesite material particle powder is to be not added with mill base or toner
Powder.
Preferably, in the above-mentioned methods, the molding mode of cloth is multitube cloth, grid cloth, leather belt material distributing and roller
At least one of cloth.
It preferably, in the above-mentioned methods, further include that fixed thick, mill is carried out to molding magnesite adobe after the molding of step 2) cloth
It throws, at least one step in surface treatment and cutting.
The present invention also provides a kind of magnesite adobe prepared using the above method, adobe includes matrix and decoration texture, dress
Decoration manages at least embedded surface for being distributed in described matrix;Decorating texture is the clearly demarcated lines or pattern in boundary.
Preferably, in above-mentioned magnesite adobe, decoration texture is one of netted, strip, pinniform, cotton-shaped and cloud shape
Or multiple combinations.
Preferably, in above-mentioned magnesite adobe, matrix surface is provided with concave convex texture.
Preferably, in above-mentioned magnesite adobe, the embedded inside and/or bottom for being distributed in matrix of texture is decorated.
Preferably, in above-mentioned magnesite adobe, decoration texture is distributed according to predetermined pattern and position.
Beneficial effects of the present invention: the present invention effectively breaches the stream slurry moulding process that tradition prepares magnesite adobe, system
Standby simple process, dry-press process powder mobility obtained is more preferable, solves the line that stream slurry injection molding is not easy to control magnesite adobe
The problem of reason design, realizes the preparation process of magnesite adobe from liquid to Solid State Transformation, realizes dry powder pressing process, not only make
Cloth is more convenient, and can be precisely controlled the pattern texture design at each position in magnesite adobe, makes improving decoration effect
The multifarious repeated effect at the same time it can also control texture of fruit keeps the overall effect of magnesite adobe exquisiter abundant;
Quality by compacting into magnesite adobe is uniform, and consistency improves, and High anti bending strength, absorptivity is low, substantially increases
The total quality of magnesite adobe.
Detailed description of the invention
Fig. 1 is the structural schematic diagram on the magnesite adobe surface of one embodiment of the invention;
Fig. 2 is the structural schematic diagram on the magnesite adobe surface of one embodiment of the invention;
Fig. 3 is the structural schematic diagram on the magnesite adobe surface of one embodiment of the invention;
Fig. 4 is the structural schematic diagram of the magnesite adobe side of one embodiment of the invention;
Wherein: decoration texture 1, matrix 2, concave convex texture 21.
Specific embodiment
To further illustrate the technical scheme of the present invention below with reference to the accompanying drawings and specific embodiments.It should be noted that
Following embodiment is to illustrate the preferred embodiment of this patent scheme, and the present invention program is used for illustrative purposes only, those skilled in the art
Member is it should be appreciated that the scope of the present invention should not be limited.
A kind of preparation method of magnesite adobe, includes the following steps:
(1) pre-reaction: slurry is made by formula rate ingredient, stirring in magnesite raw material, the slurry is injected in container
Progress pre-reaction processing in pre-reaction equipment is entered, initial cure material is formed;
(2) it is granulated: initial cure material described in step (1) being subjected to broken granulation, obtains dry-press process powder;
(3) the dry-press process powder obtained in step (2) cloth: is subjected to texture cloth in molding by preset requirement
On mold;
(4) compression moulding: being sent to shaping station for material distributed molding die, vacuumizes, vibrates compression moulding, obtains
Magnesite adobe.
A kind of preparation method of magnesite adobe proposed by the present invention, the first slurry as made from magnesite raw material carry out pre-reaction
Processing forms initial cure material, and the pre-reaction equipment is the pre-reaction mold that can make sizing material forming;The initial cure material is
Gel solid matter with some strength, when the initial cure material does not complete reaction, i.e., in the initial cure material
Final strength formed before, the initial cure material is subjected to broken granulation, screening has the dry of good fluidity to obtain
Method forms powder, and the dry-press process powder of acquisition is carried out texture cloth, i.e., the dry-press process powder is at least divided into bottom material
With texture material, by texture Strand Feeding Technique well known in building ceramic tiles production process, by texture material by powder charity at
The mode that grain decorating effect is formed in green body after type is texture cloth, and is vacuumized and compression moulding, is obtained high-strength
The magnesite adobe of degree and texture-rich.
It is existing that the grain design of magnesite adobe is designed there is stochastic uncertainty by stream slurry moulding process, and it is of the invention
The stream slurry moulding process that tradition prepares magnesite adobe is then effectively breached, proposes and slurry is subjected to pre-reaction processing, and not
It influences to be granulated on the basis of magnesite raw material, obtains dry-press process powder, realize dry powder pressing process, preparation process letter
Single, dry-press process powder mobility obtained is more preferable, solves stream slurry injection molding and is not easy to control the grain design of magnesite adobe
It is more convenient not only to make cloth for problem, but also can achieve the accurate control of the pattern texture design to position each in magnesite adobe
System, therefore in the multifarious repeated effect at the same time it can also control texture for improving decorative effect, make the whole of magnesite adobe
Body effect is exquisiter abundant;By the quality of compacting into magnesite adobe, uniform, consistency improves, High anti bending strength, surface
Water absorption rate is low, substantially increases the total quality of magnesite adobe.
It further illustrates, the reaction time of the processing of pre-reaction described in step (1) is 30min~180min.In order to avoid
The slurry reacts completely in pre-reaction equipment, causes to lead in the broken granulation of subsequent progress after forming final intensity
It causes to destroy the performances such as its internal intensity, and increases the broken difficulty being granulated, therefore the reaction time of pre-reaction processing
It is unsuitable too long, it should be maintained in the range of 30min~180min, guarantee the performance of dry-press process powder intensity obtained.
It further illustrates, the processing of pre-reaction described in step (1) is that constant temperature and humidity pre-reaction is handled, the pre-reaction processing
Heating method can be any one in microwave constent temperature heating, hot wind heated at constant temperature or thermocouple heated at constant temperature, it is described pre- anti-
The temperature that should be handled is 30 DEG C~80 DEG C, and humidity is 40%~90%.It, can be according to the temperature of reaction environment in pre-reaction processing stage
The height of humidity is handled to carry out the constant temperature and humidity pre-reaction, guarantees certain reaction temperature and humidity, to promote pre- anti-
The progress that should be handled.
It further illustrates, the initial cure material can spray in broken granulation process to dry-press process powder obtained
Spread preconfigured mill base or toner.When carrying out broken be granulated, by spraying into different mill bases or toner as the dry-press process
Powder is hyperchromic, to improve the diversity of dry-press process powder color, is conducive to using the dry-press process powder by color, line
Reason carries out imitative ceramic distributing to design the textured pattern of magnesite adobe, and improves the mobility of dry-press process powder;Its
In, the mill base of use can make the coloring on dry-press process powder surface more uniform, and adhesion is higher, colorant when avoiding discharging
It is fallen from dry-press process powder surface and is adhered to equipment inner wall and causes to waste, and dry-press process powder is avoided to be pressed into
Type falls off when preparing magnesite adobe, is layered, and influences the quality of magnesite adobe.
In addition, due to crush be granulated during, acquisition is particle not of uniform size, thus carry out coarse crushing, in it is broken
With the refinement fine crushing dry-press process powder to suitable particle size, and done by what 18~25 meshes were separately won evenly sized
Method forms powder, guarantees that the dry-press process powder quality of output reaches the requirement of granulation, improves the matter of the dry-press process powder
Amount.
It further illustrates, cloth described in step (3) is by the way that the dry-press process powder is passed through imitative building ceramic tiles
Known press cloth system carry out cloth, distributing mode includes any one in multitube cloth, grid cloth or roller cloth
Kind or multiple combinations.The known press cloth system that the dry-press process powder being prepared into injects imitative building ceramic tiles is carried out
Cloth, to obtain different texture pattern effects, can make the decorative effect of magnesite adobe more by different distributing modes
It is lively abundant, clear fine and smooth.
It further illustrates, the vacuum degree vacuumized described in step (4) is -0.01~-0.08MPa, and the pumpdown time is
30s~180s, vibration frequency are as follows: 50~120HZ.It will carry out the molding die after texture cloth and be sent to shaping station, into
Row vacuumizes, and reaches certain vacuum degree, and the compression moulding under high-frequency vibration, excessive gas is discharged, makes dry-press process powder
Expect it is more uniform, to keep the bulk density of magnesite adobe obtained higher, gap is few, surface is more uniform, consistency of thickness and
Its hardness and fold resistance are higher.
It further illustrates, further includes maintenance process after vibration compression moulding described in step (4), the maintenance process is first
Steam press maintenance is carried out, then carries out constant temperature and humidity maintenance, steam pressure temperature is 150 DEG C~200 DEG C, and pressure is 0.1MPa~1.0MPa,
The steam press maintenance time is 10 minutes~12 hours;The constant temperature and humidity curing temperature be 30 DEG C~60 DEG C, humidity be 50%~
90%, the time is 2 hours~48 hours.
After carrying out vibration compacting and forming magnesite molding adobe, since magnesite obtained molding adobe is being made and is applying to
Time interval in technique, therefore also need to carry out the maintenance process of adobe, the steam press maintenance of certain time is first carried out, then carry out
Constant temperature and humidity maintenance, keeps certain temperature and humidity, improves and protect the performance of magnesite adobe, easy to operate, maintenance effect
It is good, keep the total quality for obtaining magnesite adobe more excellent, aesthetics is high.
It further illustrates, further includes working process after vibration compression moulding described in step (4), the working process is will
Magnesite adobe carries out fixed thickness, grinding and polishing, surface treatment and cutting.That there is surfaces is more thick for the magnesite adobe formed due to compacting
Situations such as rough, glossiness is poor, edge out-of-flatness, therefore increase the working process in later period, make the total quality of magnesite adobe more
Excellent, aesthetics is high, and more smooth, glossiness is more preferable, meets the requirement to magnesite adobe high quality.
It further illustrates, the texture cloth is to carry out cloth according to the position of preset lines and its distribution.
The texture cloth can be effectively up to the distribution and shape effect for being precisely controlled its lines texture, i.e., according to the lines being pre-designed
Or pattern effect is presented in magnesite adobe, and realizes repeated production, pattern texture effect is exquisiter clearly demarcated, mentions
The controllability of high magnesite adobe decorative effect saves preparation cost.
As shown in figure 4, a kind of magnesite adobe, including decoration texture 1 and matrix 2, texture 1 is at least embedded is distributed in for decoration
The surface of matrix 2;Decorating texture 1 is the clearly demarcated lines or pattern in boundary.At least embedded distribution of the decoration texture 1 of magnesite adobe
In the surface of described matrix 2, keep the texture of the magnesite adobe and pattern boundaries clearly demarcated, it is clear abundant, substantially increase magnesite
The diversity of the decoration of adobe, and realize the controllability of grain design;In addition magnesite adobe is suppressed by dry powder,
Relative to conventional flow sizing process, the hardness of magnesite adobe obtained is obviously increased, have High anti bending strength, bulk density it is big,
The low feature of absorptivity realizes the high intensity and diversification of magnesite product.
It further illustrates, the decoration texture 1 is one of netted, strip, pinniform, cotton-shaped and cloud shape or a variety of groups
It closes.The decoration texture 1 can be textured pattern of different shapes, and different colors is combined to form different decorative effects,
To improve the diversity of the decoration of magnesite adobe.
It further illustrates, described matrix surface is additionally provided with concave convex texture 21.The concave convex texture being arranged by described matrix 2
21 mutually form independent assortment collocation with the decoration texture 1, interlaced, to increase the decorative effect of magnesite adobe.
Using above method, in prepared magnesite adobe, decoration texture can be divided according to predetermined pattern and position
Cloth.This point is not achievable using the molding of slurry slurry flowing process in the prior art.
It further illustrates, the also embedded middle part and/or bottom for being distributed in described matrix 2 of the decoration texture 1.Decorate line
Reason 1 is distributed with embedded, can be improved the integral strength of the magnesite adobe, and the different distributions position of the decoration texture 1
It sets, the corresponding intensity for stating magnesite adobe is different, wherein the decoration texture 1 is only in surface insertion, the intensity of magnesite adobe
Lower than decorating texture 1 on surface and intensity when being internally embedded, and the decoration texture have in surface, inside and bottom surface it is embedding
The intensity highest of fashionable magnesite adobe.
Wherein, the slurry is according to mass parts ratio, including following component: 100 parts of magnesia, magnesium salt solution 80~
130 parts, 90~150 parts of filler and 1~50 part of modifying agent;The magnesium salt solution is the magnesium chloride solution of Baume degrees 22~30
And/or the Adlerika (mass concentration) of concentration 10~30%, the filler include mountain flour, silica flour, SILICA FUME, ceramics throwing
One of light waste residue and reinforcing fiber or multiple combinations, the modifying agent include one in water repellent agent, interfacial agents and defoaming agent
Kind or multiple combinations.
A kind of preparation method of magnesite adobe of embodiment 1-, includes the following steps:
(1) stock up: selection magnesite raw material is 80 parts of magnesium chloride solution, the silica flour 50 of 100 parts of magnesia, Baume degrees 26
Part, 40 parts of ceramic polished waste residue, 0.5 part of phosphoric acid and 3 parts of silicon powder are added 10 parts and 5 parts of interfacial agents of water repellent agent and are configured, stirred
Uniformly obtained slurry is mixed,
(2) slurry injection molding: the slurry being prepared into being injected in pre-reaction mold and carries out Hirschfeld-Klinger reaction, forms blocky brick
Body;
(3) roll-in: bulk brick body made from step (3) is subjected to roll-in, obtains magnesite adobe, and carry out flexural strength
Test, flexural strength 16.5Mpa, bulk density 1.96g/cm3, water absorption rate 6.4%.
A kind of preparation method of magnesite adobe of comparative example 1-, includes the following steps:
(1) stock up: selection magnesite raw material is 80 parts of magnesium chloride solution, the silica flour 50 of 100 parts of magnesia, Baume degrees 26
Part, 40 parts of ceramic polished waste residue, 0.5 part of phosphoric acid and 3 parts of silicon powder are added 10 parts and 5 parts of interfacial agents of water repellent agent and are configured, stirred
Uniformly obtained slurry is mixed,
(2) slurry injection molding: the slurry being prepared into being injected in pre-reaction mold and carries out Hirschfeld-Klinger reaction, forms blocky brick
Body;
(3) roll-in: bulk brick body made from step (3) is subjected to roll-in, obtains magnesite adobe;And on magnesite adobe surface
Glaze is drenched, it is dry, obtain the magnesite adobe with grain effect;The test of progress flexural strength, flexural strength 16.9Mpa,
Bulk density is 1.93g/cm3, water absorption rate 6.5%.
It is of course also possible to formed in step (2) using at least one slurry added with colorant and common slurry stream slurry,
Obtained magnesite adobe has embedded decoration texture, but Texture Boundaries are fuzzy, and grain effect can not be preset, can only
As pulp flow forms random irregular texture, decorative effect is unable to control.
A kind of preparation method of magnesite adobe of comparative example 2-, includes the following steps:
(1) pre-reaction: selection magnesite raw material is 80 parts of magnesium chloride solution, the silica flour 50 of 100 parts of magnesia, Baume degrees 26
Part, 40 parts of ceramic polished waste residue, 0.5 part of phosphoric acid and 3 parts of silicon powder are added 10 parts and 5 parts of interfacial agents of water repellent agent and are configured, stirred
Mix uniformly obtained slurry;The slurry being prepared into is injected in container and is entered in constant temperature and humidity pre-reaction mold, is carried out permanent
The reaction time of constant temperature and humidity pre-reaction processing, the constant temperature and humidity pre-reaction processing is 30min, the heating temperature of the constant temperature and humidity
Degree is 45 DEG C, and humidity 70% forms initial cure material;
(2) it is granulated: initial cure material described in step (1) being put into grinding Granulation Equipments and carries out broken granulation, successively
Carry out coarse crushing, in broken and fine crushing process crushed and screened, and when carrying out fine crushing process, selected part sprays into Huang thereto
Color mill base and white colorant carry out 18 meshes of sieving, obtain yellow and white dry-press process powder as texture material, remaining is broken
Conventional dry molding powder as bottom material;
(3) the dry-press process powder obtained in step (2) cloth: is injected to the known press cloth of imitative building ceramic tiles
In material system, texture cloth is carried out on molding die, wherein in the texture material by preset requirement by multitube distributing mode
Embedded is arranged in the surface of the bottom material;
(4) compression moulding: being sent to shaping station for material distributed molding die, vacuumizes, vibrates compression moulding, described
The vacuum degree vacuumized is -0.01MPa, and in the 30s pumpdown time, 50HZ vibration frequency obtains the water chestnut with item dress grain effect
Magnesia brick base, as shown in Figure 1, and carrying out the test of flexural strength, flexural strength 19.8Mpa, bulk density 20.8g/
Cm3, water absorption rate 3.2%.
Therefore embodiment 1 is compared with the magnesite adobe obtained prepared by comparative example 2, it can be deduced that using stream slurry
The quality of magnesite adobe made from the different preparation methods of moulding process and dry method compression moulding technique is significantly different, that is, passes through
The flexural strength for the magnesite adobe that the method proposed by the present invention for preparing magnesite adobe is prepared into obviously increases, bulk density increases
And water absorption rate accordingly reduces.
And compare comparative example 1 with the magnesite adobe obtained prepared by comparative example 2, the texture of the two is imitated
Fruit is compared, and due to the limitation by leaching glaze mobility in comparative example 1, can not carry out having its pattern texture
The control of effect ground, to keep the grain effect degree of formed magnesite adobe different, there is stochastic uncertainties, and compare and implement
Magnesite adobe made from example 2 can be effectively up to being precisely controlled the distribution and shape effect of its lines texture, can be according to being pre-designed
Lines or pattern effect be presented in magnesite adobe, and can be therefore obtained through the invention with repeatability production
The pattern texture effect of magnesite adobe is exquisiter clearly demarcated, improves the controllability of magnesite adobe decorative effect, saves preparation cost.
A kind of preparation method of the magnesite adobe with reticular texture of embodiment 2-, includes the following steps:
(1) pre-reaction: selection magnesite raw material is 90 parts of magnesium chloride solution, the silica flour 40 of 100 parts of magnesia, Baume degrees 30
Part, 20 parts of mountain flour, 35 parts of ceramic polished waste residue, 0.5 part of phosphoric acid and 3 parts of silicon powder, be added 5 parts of 10 parts of water repellent agent and interfacial agents into
Row configuration, stirs evenly obtained slurry;The slurry being prepared into is injected in container and enters constant temperature and humidity pre-reaction mold
In, constant temperature and humidity pre-reaction processing is carried out, the reaction time of the constant temperature and humidity pre-reaction processing is 80min, and the constant temperature is permanent
Wet heating temperature is 60 DEG C, and humidity 90% forms initial cure material;
(2) it is granulated: initial cure material described in step (1) being put into grinding Granulation Equipments and carries out broken granulation, successively
Carry out coarse crushing, in broken and fine crushing process crushed and screened, and when carrying out fine crushing process, selected part sprays into purple thereto
Color mill base and white colorant carry out 20 meshes of sieving, obtain purple and white dry-press process powder as texture material, remaining is broken
Conventional dry molding powder as bottom material;
(3) the dry-press process powder obtained in step (2) cloth: is injected to the known press cloth of imitative building ceramic tiles
In material system, texture cloth is carried out on molding die, wherein in the texture material by preset requirement by grid distributing mode
Embedded is arranged in the surface and inside of the bottom material;
(4) compression moulding: being sent to shaping station for material distributed molding die, vacuumizes, vibrates compression moulding, described
The vacuum degree vacuumized is -0.02MPa, pumpdown time 60s, vibration frequency 70HZ, obtains the water chestnut with reticular texture
Magnesia brick base;
(5) it conserves: by obtaining there is the magnesite adobe of reticular texture to conserve, first carry out steam press maintenance, then carry out perseverance
Constant temperature and humidity maintenance, steam pressure temperature are 150 DEG C, pressure 1.0MPa, and the steam press maintenance time is 12 hours;The constant temperature and humidity maintenance
Temperature is 60 DEG C, and humidity 90% obtains magnesite brick finished product;
(6) working process: the magnesite brick finished product that step (5) obtain is subjected to fixed thickness, grinding and polishing, surface treatment and cutting, is obtained
There must be the magnesite adobe of reticular texture, as shown in Figure 2.
A kind of preparation method of the magnesite adobe with cloud shape texture of embodiment 3-, includes the following steps:
(1) pre-reaction: selection magnesite raw material is 110 parts of magnesium chloride solution, the mountain flour 50 of 100 parts of magnesia, Baume degrees 26
Part, 40 parts of ceramic polished waste residue, 0.5 part of phosphoric acid and 3 parts of silicon powder, be added 5 parts of water repellent agent 10,5 parts of interfacial agents and defoaming agent into
Row configuration, stirs evenly obtained slurry;The slurry being prepared into is injected in container and enters constant temperature and humidity pre-reaction mold
In, constant temperature and humidity pre-reaction processing is carried out, the reaction time of the constant temperature and humidity pre-reaction processing is 105min, and the constant temperature is permanent
Wet heating temperature is 30 DEG C, and humidity 50% forms initial cure material;
(2) it is granulated: initial cure material described in step (1) being put into grinding Granulation Equipments and carries out broken granulation, successively
Carry out coarse crushing, in broken and fine crushing process crushed and screened, and when carrying out fine crushing process, selected part sprays into indigo plant thereto
Color toner and white toner, carry out 20 meshes of sieving, obtain blue and white dry-press process powder as texture material, remaining is broken
Conventional dry molding powder as bottom material;
(3) the dry-press process powder obtained in step (2) cloth: is injected to the known press cloth of imitative building ceramic tiles
In material system, texture cloth is carried out on molding die, wherein in the texture material by preset requirement by roller distributing mode
Embedded is arranged in the inside and bottom surface of the bottom material;
(4) compression moulding: being sent to shaping station for material distributed molding die, vacuumizes, vibrates compression moulding, described
The vacuum degree vacuumized is -0.04MPa, pumpdown time 100s, vibration frequency 90HZ, obtains the water chestnut with cloud shape texture
Magnesia brick base;
(5) it conserves: by obtaining there is the magnesite adobe of cloud shape texture to conserve, first carry out steam press maintenance, then carry out
Constant temperature and humidity maintenance, steam pressure temperature are 200 DEG C, pressure 0.1MPa, and the steam press maintenance time is 1 hour;The constant temperature and humidity is supported
Protecting temperature is 30 DEG C, and humidity 50% obtains magnesite brick finished product;
(6) working process: the magnesite brick finished product that step (5) obtain is subjected to fixed thickness, grinding and polishing, surface treatment and cutting, is obtained
There must be the magnesite adobe of cloud shape texture, as shown in Figure 3.
A kind of preparation method of the magnesite adobe with cotton-shaped texture of embodiment 4-, includes the following steps:
(1) pre-reaction: selection magnesite raw material is 95 parts of Adlerika, the silica flour 20 of 100 parts of magnesia, concentration 30%
Part, 25 parts of mountain flour, 40 parts of ceramic polished waste residue, 0.5 part of phosphoric acid and 3 parts of silicon powder, water repellent agent 15,10 parts of interfacial agents and defoaming agent
5 parts are configured, and obtained slurry is stirred evenly;The slurry being prepared into is injected in container and enters constant temperature and humidity pre-reaction
In mold, constant temperature and humidity pre-reaction processing is carried out, the reaction time of the constant temperature and humidity pre-reaction processing is 120min, the perseverance
The heating temperature of constant temperature and humidity is 40 DEG C, and humidity 60% forms initial cure material;
(2) it is granulated: initial cure material described in step (1) being put into grinding Granulation Equipments and carries out broken granulation, successively
Carry out coarse crushing, in broken and fine crushing process crushed and screened, and when carrying out fine crushing process, selected part sprays into green thereto
Color toner and white toner, 22 meshes of being sieved obtain green and white dry-press process powder as texture material, remaining is broken normal
Dry-press process powder is advised as bottom material;
(3) the dry-press process powder obtained in step (2) cloth: is injected to the known press cloth of imitative building ceramic tiles
In material system, texture cloth is carried out on molding die, wherein in the texture material by preset requirement by multitube distributing mode
Embedded is arranged in the surface, inside and bottom surface of the bottom material;
(4) compression moulding: being sent to shaping station for material distributed molding die, vacuumizes, vibrates compression moulding, described
The vacuum degree vacuumized is -0.06MPa, pumpdown time 150s, vibration frequency 100HZ, obtains the water chestnut with cotton-shaped texture
Magnesia brick base;
(5) it conserves: by obtaining there is the magnesite adobe of cotton-shaped texture to conserve, first carry out steam press maintenance, then carry out perseverance
Constant temperature and humidity maintenance, steam pressure temperature are 165 DEG C, pressure 0.8MPa, and the steam press maintenance time is 15 hours;The constant temperature and humidity maintenance
Temperature is 55 DEG C, and humidity 80% obtains magnesite brick finished product;
(6) working process: the magnesite brick finished product that step (5) obtain is subjected to fixed thickness, grinding and polishing, surface treatment and cutting, is obtained
There must be the magnesite adobe of cotton-shaped texture.
A kind of preparation method of the magnesite adobe with pinniform texture of embodiment 5-, includes the following steps:
(1) pre-reaction: selection magnesite raw material is 130 parts of Adlerika, the silica flour of 100 parts of magnesia, concentration 15%
10 parts, 35 parts of mountain flour, 50 parts of ceramic polished waste residue, 0.5 part of phosphoric acid and 3 parts of silicon powder, be added water repellent agent 10,15 parts of interfacial agents and
10 parts of defoaming agent are configured, and obtained slurry is stirred evenly;The slurry being prepared into is injected in container and enters constant temperature perseverance
In wet pre-reaction mold, the reaction time of progress constant temperature and humidity pre-reaction processing, the constant temperature and humidity pre-reaction processing is
180min, the heating temperature of the constant temperature and humidity are 50 DEG C, and humidity 75% forms initial cure material;
(2) it is granulated: initial cure material described in step (1) being put into grinding granulation die and carries out broken granulation, successively
Carry out coarse crushing, in broken and fine crushing process crushed and screened, and when carrying out fine crushing process, selected part powder sprays into respectively
Red mill base, grey mill base, green mill base and white colorant, carry out 25 meshes of sieving, obtain red, grey, green and white
Dry-press process powder is as texture material, remaining broken conventional dry molding powder is as bottom material;
(3) the dry-press process powder obtained in step (2) cloth: is injected to the known press cloth of imitative building ceramic tiles
In material system, texture cloth is carried out on molding die, wherein in the texture material by preset requirement by grid distributing mode
Embedded is arranged in the surface, inside and bottom surface of the bottom material;
(4) compression moulding: being sent to shaping station for material distributed molding die, vacuumizes, vibrates compression moulding, described
The vacuum degree vacuumized is -0.08MPa, pumpdown time 180s, vibration frequency 120HZ, obtains the water chestnut with pinniform texture
Magnesia brick base;
(5) it conserves: by obtaining there is the magnesite adobe of pinniform texture to conserve, first carry out steam press maintenance, then carry out perseverance
Constant temperature and humidity maintenance, steam pressure temperature are 175 DEG C, pressure 0.5MPa, and the steam press maintenance time is 10 hours;The constant temperature and humidity maintenance
Temperature is 45 DEG C, and humidity 70% obtains magnesite brick finished product;
(6) working process: the magnesite brick finished product that step (6) obtain is subjected to fixed thickness, grinding and polishing, surface treatment and cutting, is obtained
There must be the magnesite adobe of pinniform texture.
The technical principle of the invention is described above in combination with a specific embodiment.These descriptions are intended merely to explain of the invention
Principle, and shall not be construed in any way as a limitation of the scope of protection of the invention.Based on the explanation herein, the technology of this field
Personnel can associate with other specific embodiments of the invention without creative labor, these modes are fallen within
Within protection scope of the present invention.