Black ceramic tiles of a kind of two cm thicks and preparation method thereof
Technical field
The invention belongs to architectural decoration ceramic tile preparing technical field, be specifically related to black ceramic tiles of a kind of two cm thicks and preparation method thereof.
Background technology
Marble has beautiful color, decorative pattern, and higher ultimate compression strength, the lower good physical and chemical performances such as water-intake rate are arranged, and along with expanding economy, the marble range of application constantly enlarges, and consumption is increasing, plays an important role in people's life.Particularly in recent ten years marmorean large scale mining, industrialization processing, international trade makes marble decorative plate enter in large quantity the building decoration and fitment industry, not only is used for luxurious public building, also entered the decoration of family.Marble is a large amount of apparatus for the manufacture of fineness also, such as furniture, light fixture, smoking set and art sculpture etc.But marble is not only expensive and have radioactivity, if it is low to produce a kind of price, the alternative marmorean ceramic tile that performance is good will be people's Gospel undoubtedly.
CN1709822A discloses a kind of composition of raw materials of ceramic tile, is fired by golden bank potter's clay 50~70wt%, Hushan argil 10~25wt% and bamboo charcoal powder 15~35wt%, and is bright by the glazed tile lacquer black light that this prescription is made, and color is naturally simple, and ceramic tile intensity and hardness are high." without the fast development of burning black ceramic tile of glaze " (Zhang Xudong, without the fast development of burning black ceramic tile of glaze, ceramic engineering, the 3rd phase of the 32nd volume, in June, 1998: 29-31) studied the prescription that preparation is deceived ceramic tile without the fast burning of glaze take natural chromite as colorant and formed and firing condition, and determined the processing parameter of black porcelain blackness the best.But the product as weathering in 1 years---golden bank potter's clay and as the natural chromite of colorant, its resource-constrained, production cost is higher.
" manufacturing process of vanadium-titanium black ceramic and the application in modern industry thereof " (repaiies roc, Wang Qichun etc. the manufacturing process of vanadium-titanium black ceramic and the application in modern industry thereof, Chinese pottery, the 4th phase of the 44th volume, in April, 2008: 41-43) introduced and utilize tailings in vanadium extraction and conventional ceramic raw material by the 1:1 proportioning, carry out ball milling, sieve, deironing, moulding, drying, burn till the processing method of making vanadium-titanium black ceramic, and the various performances of vanadium-titanium black ceramic and the application in modern industry thereof etc. are analyzed and studied.
Also developed vanadium-titanium black ceramic in " vanadium-titanium black ceramic is made the hollow solar panel " and " a kind of flawless finish material-vanadium-titanium black ceramic decorative sheet ", still, above-mentioned black porcelain total thickness all below 1cm, can't substitute marble and use.
To sum up, the ubiquitous problem in black porcelain field is: ceramic tile thickness surpasses the problem that the oxidation difficulty will appear in 1cm, not only affects the visual appearancies such as product color, and can affect intensity.Especially utilize industrial residue to make ceramic tile, it is particularly outstanding that this problem just seems.
Summary of the invention
The technical problem to be solved in the present invention is: overcome the deficiencies in the prior art, black ceramic tiles of a kind of two cm thicks and preparation method thereof is provided, the method is mainly utilized vanadium titanium waste residue, produce the black ceramic tiles of two cm thicks, so that the product strength of manufacturing is high, color and luster is good, can substitute marble.
The technical solution adopted for the present invention to solve the technical problems is: a kind of black ceramic tiles of two cm thicks, and each component of described ceramic tile based on the relative weight per-cent of oxide compound gross weight meter is:
Al
2O
3 15~20%
SiO
2 50~56%
Fe
2O
3 10~20%
Other are 4~11% years old.
Preferably, have the following ingredients as parent material, described composition based on the gross weight of these compositions is by weight percentage:
Vanadium titanium waste residue 20~30%
Green coke 15~30%
Hard high-alumina clay 8~15%
Wilkinite 8~15%
Mix black mud 8~15%
Middle temperature sand 18~25%.
A kind of method for preparing the black ceramic tiles of two cm thicks comprises the firing process step, and the temperature of soaking period is 1170~1190 ℃ in the described firing process step.
Preferably, described firing period is 90 minutes.
Preferably, described high-temperature holding time is 6~14 minutes.
Compared with prior art, the invention has the beneficial effects as follows:
Utilize vanadium titanium waste residue, by rational formulating of recipe, Optimizing Technical produces the black ceramic tiles of two cm thicks, has solved the problem of the ceramic tile blank oxidation difficulty that in the past existed; The products obtained therefrom blackness is pure, fine and close hard, the water-intake rate of quality is lower than 0.3%, and folding strength is higher than 50 N/mm
2, can be used as marmorean substitute, not only effectively utilize waste resource, and had significant economic benefit.
Embodiment
Below in conjunction with embodiment, the present invention is described further.Wherein, green coke is a kind of flint clay of rich aluminium; The main component of mixing black mud is a kind of black mud from Guangdong.Used parent material and oxide compound composition thereof see Table 1.
Annotate: the oxide compound percentage composition of parent material shown in the table 1 refers to that oxide compound accounts for the per-cent of parent material gross weight by weight.
Embodiment 1
A kind of black ceramic tiles of two cm thicks is prepared in accordance with the following methods by the parent material in the table 2:
1) batching: form according to the prescription in the table 2, take by weighing respectively above-mentioned parent material, then in mixer, mix, get basestocks, for subsequent use;
2) ball milling: adopt wet ball grinding, the basestocks that makes in the step 1) carried out ball milling, to granularity be 0.2mm, obtain the slurry behind the ball milling;
3) slurry powder process: with step 2) behind the ball milling sieves, and puts into stock tank old 12 hours, oldly changes the transfer stock tank over to after complete, spraying drying, and powder process obtains the powder after the powder process, and the powder particles distribution after the powder process is as follows:
30 orders 0~4%
40 orders 18~22%
80 orders 66~70%
100 orders 3~7%
Micro mist 0~3%;
4) moulding: the powder that makes in the step 3) is pressed under the pressure range of 321bar, obtains thickness and be two centimetres blank;
5) glazing, stamp: adopt the method for this area routine to carry out glazing, stamp the blank of moulding;
6) burn till: place roller kiln to burn till the blank behind glazing, the stamp, kiln adopts the heated by natural gas mode, and long 180 meters of kiln arranges respectively up and down two points for measuring temperature every ten meters, by the automatic controlling system kiln temperature; Firing period is 90 minutes, and wherein, the highest temperature of kiln is set to 1180 ℃, is 10 minutes in the soaking time of hot stage, and concrete calcining system sees Table 3:
7) naturally cooling behind the kiln discharge makes the black ceramic tiles of two cm thicks.
The oxide weight per-cent of gained ceramic tile sees Table 4.
Among each embodiment, supply 100% surplus and consisted of by impurity.
Darkness L value, water-intake rate, linear shrinkage ratio and folding strength index to the gained ceramic tile are tested, and the results are shown in Table 5:
Embodiment 2~9
Adopt the parent material in the table 2, according to the method preparation of embodiment 1.Wherein, step 2,3,4 and 6 employed processing parameters see Table 6.The oxide weight per-cent of the black ceramic tiles of embodiment 2~9 obtained two cm thicks sees Table 4.The water-intake rate of each embodiment gained ceramic tile, linear shrinkage ratio and folding strength index see Table 5.
The above only is preferred embodiment of the present invention, is not to be the restriction of the present invention being made other form, and any those skilled in the art may utilize the technology contents of above-mentioned announcement to be changed to the equivalent embodiment of equivalent variations.But every technical solution of the present invention content that do not break away to any simple modification, equivalent variations that above embodiment does, still belongs to the protection domain of technical solution of the present invention according to technical spirit of the present invention.