CN115124332A - Ceramic tile with aldehyde-removing and humidity-adjusting functions and preparation method thereof - Google Patents
Ceramic tile with aldehyde-removing and humidity-adjusting functions and preparation method thereof Download PDFInfo
- Publication number
- CN115124332A CN115124332A CN202211058939.4A CN202211058939A CN115124332A CN 115124332 A CN115124332 A CN 115124332A CN 202211058939 A CN202211058939 A CN 202211058939A CN 115124332 A CN115124332 A CN 115124332A
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- China
- Prior art keywords
- parts
- aldehyde
- ceramic tile
- diatomite
- raw materials
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Granted
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- 239000000919 ceramic Substances 0.000 title claims abstract description 141
- 238000002360 preparation method Methods 0.000 title claims abstract description 70
- VYPSYNLAJGMNEJ-UHFFFAOYSA-N Silicium dioxide Chemical compound O=[Si]=O VYPSYNLAJGMNEJ-UHFFFAOYSA-N 0.000 claims abstract description 122
- NUJOXMJBOLGQSY-UHFFFAOYSA-N manganese dioxide Chemical compound O=[Mn]=O NUJOXMJBOLGQSY-UHFFFAOYSA-N 0.000 claims abstract description 74
- 239000002245 particle Substances 0.000 claims abstract description 73
- 239000004594 Masterbatch (MB) Substances 0.000 claims abstract description 59
- 239000002994 raw material Substances 0.000 claims abstract description 59
- 239000000049 pigment Substances 0.000 claims abstract description 53
- 125000002485 formyl group Chemical class [H]C(*)=O 0.000 claims abstract description 31
- 238000000034 method Methods 0.000 claims abstract description 22
- 239000011259 mixed solution Substances 0.000 claims abstract description 20
- 239000005995 Aluminium silicate Substances 0.000 claims abstract description 19
- 235000012211 aluminium silicate Nutrition 0.000 claims abstract description 19
- NLYAJNPCOHFWQQ-UHFFFAOYSA-N kaolin Chemical compound O.O.O=[Al]O[Si](=O)O[Si](=O)O[Al]=O NLYAJNPCOHFWQQ-UHFFFAOYSA-N 0.000 claims abstract description 19
- 229910001570 bauxite Inorganic materials 0.000 claims abstract description 13
- 239000010433 feldspar Substances 0.000 claims abstract description 13
- 239000000843 powder Substances 0.000 claims abstract description 13
- 239000004576 sand Substances 0.000 claims abstract description 13
- 239000000454 talc Substances 0.000 claims abstract description 13
- 229910052623 talc Inorganic materials 0.000 claims abstract description 13
- 239000011449 brick Substances 0.000 claims description 53
- XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical compound [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 claims description 48
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Chemical compound O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims description 48
- 239000007921 spray Substances 0.000 claims description 43
- 238000005303 weighing Methods 0.000 claims description 32
- HEMHJVSKTPXQMS-UHFFFAOYSA-M Sodium hydroxide Chemical compound [OH-].[Na+] HEMHJVSKTPXQMS-UHFFFAOYSA-M 0.000 claims description 30
- 229910052742 iron Inorganic materials 0.000 claims description 24
- 238000002156 mixing Methods 0.000 claims description 22
- 239000002002 slurry Substances 0.000 claims description 22
- 238000005469 granulation Methods 0.000 claims description 19
- 230000003179 granulation Effects 0.000 claims description 19
- 239000000243 solution Substances 0.000 claims description 18
- 238000003756 stirring Methods 0.000 claims description 16
- 239000002270 dispersing agent Substances 0.000 claims description 15
- 239000004111 Potassium silicate Substances 0.000 claims description 14
- 235000019353 potassium silicate Nutrition 0.000 claims description 14
- NNHHDJVEYQHLHG-UHFFFAOYSA-N potassium silicate Chemical compound [K+].[K+].[O-][Si]([O-])=O NNHHDJVEYQHLHG-UHFFFAOYSA-N 0.000 claims description 14
- 229910052913 potassium silicate Inorganic materials 0.000 claims description 14
- 229920000663 Hydroxyethyl cellulose Polymers 0.000 claims description 13
- 239000004354 Hydroxyethyl cellulose Substances 0.000 claims description 13
- NIXOWILDQLNWCW-UHFFFAOYSA-N acrylic acid group Chemical group C(C=C)(=O)O NIXOWILDQLNWCW-UHFFFAOYSA-N 0.000 claims description 13
- 239000000839 emulsion Substances 0.000 claims description 13
- 235000019447 hydroxyethyl cellulose Nutrition 0.000 claims description 13
- 239000000203 mixture Substances 0.000 claims description 13
- 239000002518 antifoaming agent Substances 0.000 claims description 12
- 238000000498 ball milling Methods 0.000 claims description 12
- 238000001035 drying Methods 0.000 claims description 12
- 239000001034 iron oxide pigment Substances 0.000 claims description 12
- 238000003825 pressing Methods 0.000 claims description 12
- 238000007873 sieving Methods 0.000 claims description 12
- 238000005245 sintering Methods 0.000 claims description 12
- 230000001680 brushing effect Effects 0.000 claims description 10
- 238000001816 cooling Methods 0.000 claims description 10
- 239000008367 deionised water Substances 0.000 claims description 10
- 229910021641 deionized water Inorganic materials 0.000 claims description 10
- 239000001508 potassium citrate Substances 0.000 claims description 10
- 229960002635 potassium citrate Drugs 0.000 claims description 10
- QEEAPRPFLLJWCF-UHFFFAOYSA-K potassium citrate (anhydrous) Chemical compound [K+].[K+].[K+].[O-]C(=O)CC(O)(CC([O-])=O)C([O-])=O QEEAPRPFLLJWCF-UHFFFAOYSA-K 0.000 claims description 10
- 235000011082 potassium citrates Nutrition 0.000 claims description 10
- 239000012286 potassium permanganate Substances 0.000 claims description 10
- 238000010438 heat treatment Methods 0.000 claims description 2
- 239000000463 material Substances 0.000 abstract description 30
- 238000005034 decoration Methods 0.000 abstract description 4
- WSFSSNUMVMOOMR-NJFSPNSNSA-N methanone Chemical compound O=[14CH2] WSFSSNUMVMOOMR-NJFSPNSNSA-N 0.000 abstract description 2
- 238000004381 surface treatment Methods 0.000 abstract description 2
- WSFSSNUMVMOOMR-UHFFFAOYSA-N Formaldehyde Chemical compound O=C WSFSSNUMVMOOMR-UHFFFAOYSA-N 0.000 description 48
- 238000010521 absorption reaction Methods 0.000 description 15
- 230000000052 comparative effect Effects 0.000 description 14
- 230000000694 effects Effects 0.000 description 14
- AMWRITDGCCNYAT-UHFFFAOYSA-L hydroxy(oxo)manganese;manganese Chemical compound [Mn].O[Mn]=O.O[Mn]=O AMWRITDGCCNYAT-UHFFFAOYSA-L 0.000 description 14
- 238000004321 preservation Methods 0.000 description 8
- 238000010276 construction Methods 0.000 description 6
- 239000013530 defoamer Substances 0.000 description 3
- 229910052500 inorganic mineral Inorganic materials 0.000 description 3
- 239000011707 mineral Substances 0.000 description 3
- 239000004575 stone Substances 0.000 description 3
- LFQSCWFLJHTTHZ-UHFFFAOYSA-N Ethanol Chemical compound CCO LFQSCWFLJHTTHZ-UHFFFAOYSA-N 0.000 description 2
- QVGXLLKOCUKJST-UHFFFAOYSA-N atomic oxygen Chemical compound [O] QVGXLLKOCUKJST-UHFFFAOYSA-N 0.000 description 2
- 239000004566 building material Substances 0.000 description 2
- 230000003197 catalytic effect Effects 0.000 description 2
- 230000007547 defect Effects 0.000 description 2
- 239000007788 liquid Substances 0.000 description 2
- 238000011068 loading method Methods 0.000 description 2
- 229910052760 oxygen Inorganic materials 0.000 description 2
- 239000011148 porous material Substances 0.000 description 2
- XAEFZNCEHLXOMS-UHFFFAOYSA-M potassium benzoate Chemical compound [K+].[O-]C(=O)C1=CC=CC=C1 XAEFZNCEHLXOMS-UHFFFAOYSA-M 0.000 description 2
- 230000008569 process Effects 0.000 description 2
- 238000001179 sorption measurement Methods 0.000 description 2
- 239000000126 substance Substances 0.000 description 2
- 239000004215 Carbon black (E152) Substances 0.000 description 1
- 241001391944 Commicarpus scandens Species 0.000 description 1
- MHAJPDPJQMAIIY-UHFFFAOYSA-N Hydrogen peroxide Chemical compound OO MHAJPDPJQMAIIY-UHFFFAOYSA-N 0.000 description 1
- 239000005909 Kieselgur Substances 0.000 description 1
- PWHULOQIROXLJO-UHFFFAOYSA-N Manganese Chemical compound [Mn] PWHULOQIROXLJO-UHFFFAOYSA-N 0.000 description 1
- 239000002202 Polyethylene glycol Substances 0.000 description 1
- 229910004298 SiO 2 Inorganic materials 0.000 description 1
- 229920002125 Sokalan® Polymers 0.000 description 1
- 230000009471 action Effects 0.000 description 1
- 230000004075 alteration Effects 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 239000000969 carrier Substances 0.000 description 1
- 239000003054 catalyst Substances 0.000 description 1
- 239000011248 coating agent Substances 0.000 description 1
- 238000000576 coating method Methods 0.000 description 1
- 239000003086 colorant Substances 0.000 description 1
- 239000002131 composite material Substances 0.000 description 1
- 238000009826 distribution Methods 0.000 description 1
- 229940079593 drug Drugs 0.000 description 1
- 239000003814 drug Substances 0.000 description 1
- 235000013399 edible fruits Nutrition 0.000 description 1
- 238000004134 energy conservation Methods 0.000 description 1
- 230000007613 environmental effect Effects 0.000 description 1
- 235000013305 food Nutrition 0.000 description 1
- 239000007789 gas Substances 0.000 description 1
- 238000003306 harvesting Methods 0.000 description 1
- 229930195733 hydrocarbon Natural products 0.000 description 1
- 150000002430 hydrocarbons Chemical class 0.000 description 1
- 239000012535 impurity Substances 0.000 description 1
- 238000009413 insulation Methods 0.000 description 1
- 230000007774 longterm Effects 0.000 description 1
- 239000002932 luster Substances 0.000 description 1
- 238000012423 maintenance Methods 0.000 description 1
- 229910052748 manganese Inorganic materials 0.000 description 1
- 239000011572 manganese Substances 0.000 description 1
- 238000005065 mining Methods 0.000 description 1
- 231100000252 nontoxic Toxicity 0.000 description 1
- 230000003000 nontoxic effect Effects 0.000 description 1
- 239000011022 opal Substances 0.000 description 1
- 230000003647 oxidation Effects 0.000 description 1
- 238000007254 oxidation reaction Methods 0.000 description 1
- 239000001301 oxygen Substances 0.000 description 1
- 239000004584 polyacrylic acid Substances 0.000 description 1
- 229920001223 polyethylene glycol Polymers 0.000 description 1
- 230000009467 reduction Effects 0.000 description 1
- 230000008439 repair process Effects 0.000 description 1
- 239000011435 rock Substances 0.000 description 1
- 230000002195 synergetic effect Effects 0.000 description 1
- 230000008719 thickening Effects 0.000 description 1
Classifications
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- C04B35/00—Shaped ceramic products characterised by their composition; Ceramics compositions; Processing powders of inorganic compounds preparatory to the manufacturing of ceramic products
- C04B35/01—Shaped ceramic products characterised by their composition; Ceramics compositions; Processing powders of inorganic compounds preparatory to the manufacturing of ceramic products based on oxide ceramics
- C04B35/16—Shaped ceramic products characterised by their composition; Ceramics compositions; Processing powders of inorganic compounds preparatory to the manufacturing of ceramic products based on oxide ceramics based on silicates other than clay
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- B28B11/00—Apparatus or processes for treating or working the shaped or preshaped articles
- B28B11/04—Apparatus or processes for treating or working the shaped or preshaped articles for coating or applying engobing layers
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- B28B11/00—Apparatus or processes for treating or working the shaped or preshaped articles
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- C04B2235/3436—Alkaline earth metal silicates, e.g. barium silicate
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Abstract
The invention relates to the technical field of ceramic tiles, in particular to a ceramic tile with aldehyde-removing and humidity-adjusting functions and a preparation method thereof; the application discloses ceramic tile with remove aldehyde humidifying function includes following raw materials: 94-106 parts of blank master batch, 1-10 parts of pigment and 5-20 parts of aldehyde-removing mixed solution; the green body master batch comprises the following raw materials in parts by weight: 8-14 parts of diatomite, 16-22 parts of kaolin, 7 parts of calcined talc, 40 parts of feldspar powder, 5 parts of Xinhuai mud, 13 parts of Guangrun sand and 5 parts of bauxite, and the ceramic tile is prepared by preparing master batch particles, preparing manganese dioxide gel and preparing finished products of the aldehyde-removing and humidity-adjusting diatomite ceramic tile. The ceramic tile prepared by the method has a porous surface and a huge specific surface area, and can be used as an indoor decoration wall material to have the functions of removing indoor formaldehyde, purifying indoor air and adjusting indoor humidity through surface treatment.
Description
Technical Field
The invention relates to the technical field of ceramic tiles, in particular to a ceramic tile with an aldehyde-removing and humidity-adjusting function and a preparation method thereof.
Background
Although natural sandstone stones are popular in architectural decoration, natural sandstone stones have many drawbacks as building materials that are difficult to avoid.
1. Natural resources, along with continuous mining, have the risk of resource exhaustion, and simultaneously, are influenced by multiple factors, and supply and demand relation is unstable.
2. The sandstone stone is soft, has very low flexural strength, is very easy to break and crack in the construction process, has high construction difficulty, and is easy to weather, pulverize, crack and damage in the use process after construction, thereby increasing the maintenance and repair cost.
3. Because the sandstone has naturalness, the processed surface has different lines and colors and has more impurities. During construction, the register needs to be selected, so that the texture of the outer wall is messy easily, and the chromatic aberration is large. The construction difficulty is increased, and the construction effect is influenced.
The disadvantages described above limit the use of natural sandstone. The traditional glazed ceramic tile simulates the texture of sandstone through digital ink, but because of the luster of a glazed layer, the texture and the porous surface form of natural sandstone cannot be simulated vividly all the time.
Moreover, the current ceramic tiles cannot adjust the indoor humidity when dealing with the indoor humidity.
Disclosure of Invention
In order to overcome the defects of the prior art, the application provides the ceramic tile with the aldehyde and humidity removal functions, which is highly simulated by the touch feeling and the texture appearance of natural sandstone, has high breaking strength, whole body effect and controllable color texture, and the preparation method thereof.
The technical scheme adopted by the application for solving the technical problem is as follows: a ceramic tile with aldehyde and humidity removal functions comprises the following raw materials in parts by weight:
94-106 parts of blank master batch, 1-10 parts of pigment and 5-20 parts of aldehyde-removing mixed solution;
the green body master batch comprises the following raw materials in parts by weight:
8-14 parts of diatomite, 16-22 parts of kaolin, 7 parts of calcined talc, 40 parts of feldspar powder, 5 parts of Xinhuai mud, 13 parts of Guangrun sand and 5 parts of bauxite;
further, the pigment is an iron oxide pigment;
further, the aldehyde-removing mixed liquor comprises the following raw materials in percentage by weight:
50-80% of manganese dioxide gel, 10-30% of potassium silicate sol, 6-10% of acrylic emulsion, 3.7-5% of hydroxyethyl cellulose, 0.2-3% of defoaming agent and 0.1-2% of dispersing agent;
further, the defoamer is AGITAN P803 defoamer, which is a mixture of liquid hydrocarbon, polyethylene glycol and Amorphous silica (Amorphous silica);
the dispersant is LOPON 895 water-resistant potassium salt dispersant, and the main component is polyacrylic acid potassium salt;
the modulus of the potassium silicate sol is 2.2-2.5.
Further, the manganese dioxide gel comprises the following raw materials in percentage by weight: 2.5-3% of potassium permanganate, 1.5% of potassium citrate and the balance of deionized water;
similarly, the application also provides a preparation method of the ceramic tile with the aldehyde and moisture removal function, which comprises the following steps:
s1, preparation of master batch particles
Weighing raw materials according to the weight parts of the blank master batch, premixing the raw materials of the blank master batch in a rotary mixer, adding water, sending the mixture into a ball mill for ball milling, sieving for removing iron, and performing spray granulation on the diatomite ceramic tile master batch slurry subjected to iron removal through a spray tower to obtain master batch particles;
s2. preparation of pigment particles
Weighing raw materials according to the weight parts of the pigment, mixing the raw materials with water, stirring and dispersing for 1h, and performing spray granulation through a spray tower to obtain pigment particles;
s3, preparation of diatomite ceramic tile
Distributing the master batch particles and the pigment particles in a mould frame according to set pattern textures by a whole body distributing device, and then pressing a blank to form a whole body brick blank of the diatomite ceramic tile; drying the whole brick blank of the diatomite ceramic tile, conveying the brick blank into a roller kiln, and sintering the brick blank at 1100 ℃ for 30min to obtain the diatomite ceramic tile;
s4, preparation of aldehyde-removing mixed liquor
Weighing raw materials according to the composition of manganese dioxide gel, stirring and mixing the raw materials, heating at 60-80 ℃ for 15-30min, and cooling to room temperature to obtain manganese dioxide gel;
preparing manganese dioxide gel, potassium silicate sol, acrylic emulsion, hydroxyethyl cellulose, a defoaming agent and a dispersing agent according to the weight percentage, and fully mixing to obtain aldehyde-removed mixed liquor;
s5, preparation of finished diatomite ceramic tile product with aldehyde and moisture removal functions
Brushing the aldehyde-removing mixed solution on the surface of the diatomite ceramic green brick, and standing for 2-4 h; then baking the green brick at the temperature of 300-400 ℃ for 4-7h to obtain the finished product of the aldehyde-removing and humidity-regulating diatomite ceramic tile.
Further, in the preparation of manganese dioxide gel in step S4, after the stirring and mixing, the pH of the solution is adjusted to 8 to 10.
Further, in the preparation of manganese dioxide gel in step S4, the pH of the solution is adjusted using sodium hydroxide solution. Specifically, a 20% solution of hydrogen oxide may be selected.
Further, in the step S4, the manganese dioxide gel is heated at 70 ℃ for 20min after the pH of the solution is adjusted.
Further, in step S5, the standing time is 3 h.
Further, in step S5, the diatomite ceramic adobe is baked at 350 ℃ for 5 hours. Diatomite is a silicious sedimentary rock of biological origin, formed by ancient diatom remains through long-term geological action, and the main mineral component of the diatomite is opal and varieties thereof, and the main chemical component is SiO 2 . The diatomite in China is mainly disc-shaped diatomite. The diatomite has a natural porous structure, large porosity, strong adsorption capacity, light weight and stable chemical performance, has the functions of sound insulation, noise reduction, wear resistance and heat resistance, is widely applied to the fields of medicines, foods, energy conservation, environmental protection, ecological building materials, catalyst carriers, composite materials and the like, and is an important mineral resource and functional mineral material in modern industry.
In the application, by adding the diatomite, the diatomite ceramic tile prepared by the method has the characteristics of light weight, multiple pores, large specific surface area and high porosity, has good moisture absorption and release functions, can adjust indoor humidity, and maintains the indoor air humidity within a range suitable for human life and study. Meanwhile, the coating has the functions of adsorbing and curing harmful gases such as formaldehyde and the like brought by indoor decoration pollution.
The application loads active manganese dioxide on the surface of the diatomite ceramic tile, and the vacancy defect position of each active manganese oxide surface is activatedActive sites of oxygen in the air can effectively capture and activate O 2 Forming active oxygen group O 2- Or O 2 2- Further reacts with formaldehyde in the air to generate nontoxic and harmless H 2 O and CO 2 A product;
therefore, the active manganese oxide material is compounded with the diatomite natural porous material, so that the effect that the formaldehyde with the concentration of 0.5 mg/m is removed at room temperature within 24h can be achieved, the removal rate is more than 90%, and the high room temperature catalytic activity is achieved. The material can be loaded on the surface of the diatomite ceramic tile with a porous structure, external energy supply is not needed, formaldehyde in the air is captured passively completely, and the concentration of formaldehyde in the indoor air is reduced. Meanwhile, the porous diatomite ceramic tile has the characteristics of high porosity and large specific surface area, a large amount of formaldehyde molecules in air can be captured quickly through adsorption, and the captured formaldehyde molecules are decomposed through catalytic oxidation of an active manganese material to form a capturing-decomposing synergistic effect, so that the purifying and aldehyde removing effects of the product are greatly improved;
in addition, in the aldehyde-removing mixture, by adding the potassium silicate sol and the acrylic emulsion, the hydroxyethyl cellulose has a thickening effect, the aldehyde-removing mixture (manganese dioxide gel) is conveniently coated on the surface of the blank, the defoaming agent is used for eliminating bubbles generated in the preparation process, and the manganese dioxide gel can be uniformly dispersed in the aldehyde-removing mixture by the dispersing agent, so that the bonding property of the aldehyde-removing mixture is improved, and the baked manganese dioxide is better loaded on the surface of the diatomite ceramic tile.
The beneficial effect of this application is:
1. according to the ceramic tile prepared by the application, by adding the diatomite and the loaded manganese dioxide gel, the ceramic tile has a porous surface and a huge specific surface area, and when the ceramic tile is used as an indoor decoration wall material, the ceramic tile can have the functions of removing indoor formaldehyde, purifying indoor air and adjusting indoor humidity through surface treatment.
2. According to the ceramic tile prepared by the application, the removal rate is up to above 86.4% under the conditions of initial formaldehyde concentration of 1.03-1.11 mg/m ethanol harvest; when the moisture absorption amount is 3 hours, the moisture absorption amount can reach (11.93-13.73) x10 -2 The patch has the weight per square meter and the moisture absorption rate of 6 hours (15.73-18.63) x10 -2 The water absorbing amount of the patch is (20.65-22.32) x10 when the patch is per square meter and the water absorbing amount is 12 hours -2 Every kilogram per square meter; the diatomite ceramic tile prepared by the method has good humidity-regulating application effect and formaldehyde-removing effect.
Detailed Description
The present application is further illustrated below with reference to examples to facilitate understanding of those skilled in the art, and the present application is not limited to the embodiments mentioned below.
Example 1
A preparation method of a ceramic tile with aldehyde and humidity removal functions comprises the following steps:
s1, preparation of master batch particles
Weighing the following raw materials in parts by weight: 10 parts of diatomite, 20 parts of kaolin, 7 parts of calcined talc, 40 parts of feldspar powder, 5 parts of Xinhuai mud, 13 parts of Guangrun sand and 5 parts of bauxite, premixing the materials in a rotary mixer, then adding water, feeding the materials into a ball mill for ball milling, sieving the materials to remove iron, and performing spray granulation on the diatomite ceramic tile master batch slurry subjected to iron removal through a spray tower to obtain master batch particles;
s2. preparation of pigment particles
Taking the following raw materials in parts by weight: stirring, dispersing and mixing 10 parts of iron oxide pigment and 90 parts of water to obtain pigment slurry, stirring and dispersing for 1 hour, and performing spray granulation by using a spray tower to obtain pigment particles;
s3. preparation of diatomite ceramic tile
Distributing the master batch particles and the pigment particles in a mould frame according to set pattern textures by a whole body distributing device, and then pressing a blank to form a whole body brick blank of the diatomite ceramic tile; drying the green brick, sending into a roller kiln, and sintering at 1100 ℃ for 30min to obtain the diatomite ceramic tile;
s4, preparing aldehyde-removing mixed liquor
Weighing the following raw materials in parts by weight: 3 parts of potassium permanganate, 1.5 parts of potassium citrate and 95.5 parts of deionized water are stirred and mixed, heated at 60 ℃, adjusted to pH 8 by using sodium hydroxide solution and kept warm for 15 min; after the heat preservation is finished, cooling to room temperature to obtain manganese dioxide gel;
weighing the following raw materials in parts by weight: 65 parts of manganese dioxide gel, 22 parts of potassium silicate sol, 7 parts of acrylic emulsion, 4 parts of hydroxyethyl cellulose, 1.5 parts of defoaming agent and 0.5 part of dispersing agent, and fully mixing to obtain aldehyde-removed mixed solution;
s5, preparation of finished diatomite ceramic tile product with aldehyde and moisture removal functions
Brushing the aldehyde-removing mixed solution on the surface of the diatomite ceramic tile blank, standing for 2h, and then baking the tile blank for 4h at 300 ℃ to obtain the finished product of the aldehyde-removing humidity-regulating diatomite ceramic tile.
Example 2
A preparation method of a ceramic tile with aldehyde and humidity removal functions comprises the following steps:
s1, preparation of master batch particles
Weighing the following raw materials in parts by weight: 10 parts of diatomite, 22 parts of kaolin, 7 parts of calcined talc, 40 parts of feldspar powder, 5 parts of Xinhuai mud, 13 parts of Guangrun sand and 5 parts of bauxite, premixing the materials in a rotary mixer, adding water, feeding the materials into a ball mill for ball milling, sieving the materials to remove iron, and performing spray granulation on the diatomite ceramic tile master batch slurry subjected to iron removal through a spray tower to obtain master batch particles;
s2. preparation of pigment particles
Taking the following raw materials in parts by weight: 10 parts of iron oxide pigment and 90 parts of water are stirred, dispersed and mixed to form pigment slurry, stirred and dispersed for 1 hour, and sprayed and granulated through a spray tower to obtain pigment particles;
s3, preparation of diatomite ceramic tile
Distributing the master batch particles and the pigment particles in a mould frame according to set pattern textures by a whole body distributing device, and then pressing a blank to form a whole body brick blank of the diatomite ceramic tile; drying the green brick, sending into a roller kiln, and sintering at 1100 ℃ for 30min to obtain the diatomite ceramic tile;
s4, preparing aldehyde-removing mixed liquor
Weighing the following raw materials in parts by weight: 2.8 parts of potassium permanganate, 1.5 parts of potassium citrate and 95.7 parts of deionized water are stirred and mixed, heated at 80 ℃, adjusted to pH 10 by using sodium hydroxide solution and kept warm for 30 min; after the heat preservation is finished, cooling to room temperature to obtain manganese dioxide gel;
weighing the following raw materials in parts by weight: 50 parts of manganese dioxide gel, 30 parts of potassium silicate sol, 10 parts of acrylic emulsion, 5 parts of hydroxyethyl cellulose, 3 parts of defoaming agent and 2 parts of dispersing agent are fully mixed to obtain aldehyde-removed mixed solution;
s5, preparation of finished diatomite ceramic tile product with aldehyde and moisture removal functions
Brushing the aldehyde-removing mixed solution on the surface of the diatomite ceramic adobe, and standing for 4 hours; and then baking the green brick at 400 ℃ for 7 hours to obtain the finished product of the aldehyde-removing and humidity-regulating diatomite ceramic tile.
Example 3
A preparation method of a ceramic tile with aldehyde and humidity removal functions comprises the following steps:
s1, preparation of master batch particles
Weighing the following raw materials in parts by weight: 10 parts of diatomite, 20 parts of kaolin, 7 parts of calcined talc, 40 parts of feldspar powder, 5 parts of Xinhuai mud, 13 parts of Guangrun sand and 5 parts of bauxite, premixing the materials in a rotary mixer, adding water, feeding the materials into a ball mill for ball milling, sieving the materials to remove iron, and performing spray granulation on the diatomite ceramic tile master batch slurry subjected to iron removal through a spray tower to obtain master batch particles;
s2. preparation of pigment particles
Taking the following raw materials in parts by weight: stirring, dispersing and mixing 5 parts of iron oxide pigment and 95 parts of water to obtain pigment slurry, stirring and dispersing for 1 hour, and performing spray granulation by using a spray tower to obtain pigment particles;
s3, preparation of diatomite ceramic tile
Distributing the master batch particles and the pigment particles in a mould frame according to set pattern textures by a whole body distributing device, and then pressing a blank to form a whole body brick blank of the diatomite ceramic tile; drying the green brick, sending into a roller kiln, and sintering at 1100 ℃ for 30min to obtain the diatomite ceramic tile;
s4, preparation of aldehyde-removing mixed liquor
Weighing the following raw materials in parts by weight: 2.6 parts of potassium permanganate, 1.5 parts of potassium citrate and 95.9 parts of deionized water are stirred and mixed, heated at 70 ℃, adjusted to pH 9 by using sodium hydroxide solution and kept warm for 20 min; after the heat preservation is finished, cooling to room temperature to obtain manganese dioxide gel;
weighing the following raw materials in parts by weight: 80 parts of manganese dioxide gel, 10 parts of potassium silicate sol, 6 parts of acrylic emulsion, 3.7 parts of hydroxyethyl cellulose, 0.2 part of defoaming agent and 0.1 part of dispersing agent, and fully mixing to obtain aldehyde-removed mixed solution;
s5, preparation of finished product of aldehyde-removing and humidity-regulating diatomite ceramic tile
Brushing the aldehyde-removing mixed solution on the surface of the diatomite ceramic green brick, and standing for 3 hours; and then baking the green brick at 350 ℃ for 5 hours to obtain the finished product of the aldehyde-removing and humidity-regulating diatomite ceramic tile.
Example 4
A preparation method of a ceramic tile with aldehyde and humidity removal functions comprises the following steps:
s1, preparation of master batch particles
Weighing the following raw materials in parts by weight: 10 parts of diatomite, 20 parts of kaolin, 7 parts of calcined talc, 40 parts of feldspar powder, 5 parts of Xinhuai mud, 13 parts of Guangrun sand and 5 parts of bauxite, premixing the materials in a rotary mixer, adding water, feeding the materials into a ball mill for ball milling, sieving the materials to remove iron, and performing spray granulation on the diatomite ceramic tile master batch slurry subjected to iron removal through a spray tower to obtain master batch particles;
s2. preparation of pigment particles
Taking the following raw materials in parts by weight: stirring, dispersing and mixing 1 part of iron oxide pigment and 99 parts of water to obtain pigment slurry, stirring and dispersing for 1 hour, and performing spray granulation by using a spray tower to obtain pigment particles;
s3, preparation of diatomite ceramic tile
Distributing the master batch particles and the pigment particles in a mould frame according to set pattern textures by a whole body distributing device, and then pressing a blank to form a whole body brick blank of the diatomite ceramic tile; drying the green brick, sending into a roller kiln, and sintering at 1100 ℃ for 30min to obtain the diatomite ceramic tile;
s4, preparation of aldehyde-removing mixed liquor
Weighing the following raw materials in parts by weight: 2.5 parts of potassium permanganate, 1.5 parts of potassium citrate and 96 parts of deionized water are stirred and mixed, heated at 65 ℃, adjusted to pH 9 by using sodium hydroxide solution and kept warm for 20 min; after the heat preservation is finished, cooling to room temperature to obtain manganese dioxide gel;
weighing the following raw materials in parts by weight: 55 parts of manganese dioxide gel, 30 parts of potassium silicate sol, 10 parts of acrylic emulsion, 4.7 parts of hydroxyethyl cellulose, 0.2 part of defoaming agent and 0.1 part of dispersing agent, and fully mixing to obtain aldehyde-removed mixed solution;
s5, preparation of finished diatomite ceramic tile product with aldehyde and moisture removal functions
Brushing the aldehyde-removing mixed solution on the surface of the diatomite ceramic adobe, and standing for 4 hours; and then baking the green brick for 7 hours at 300 ℃ to obtain the finished product of the aldehyde-removing and humidity-regulating diatomite ceramic tile.
Example 5
A preparation method of a ceramic tile with aldehyde and humidity removal functions comprises the following steps:
s1, preparation of master batch particles
Weighing the following raw materials in parts by weight: 12 parts of diatomite, 20 parts of kaolin, 7 parts of calcined talc, 38 parts of feldspar powder, 5 parts of Xinhuai mud, 13 parts of Guangrun sand and 5 parts of bauxite, premixing the raw materials in a rotary mixer, adding water, feeding the mixture into a ball mill for ball milling, sieving the mixture to remove iron, and performing spray granulation on the diatomite ceramic tile master batch slurry subjected to iron removal through a spray tower to obtain master batch particles;
s2. preparation of pigment particles
Taking the following raw materials in parts by weight: stirring, dispersing and mixing 6 parts of iron oxide pigment and 94 parts of water to obtain pigment slurry, stirring and dispersing for 1 hour, and performing spray granulation by using a spray tower to obtain pigment particles;
s3, preparation of diatomite ceramic tile
Distributing the master batch particles and the pigment particles in a mould frame according to set pattern textures through a whole body distributing device, and then pressing a blank to form a whole body brick blank of the diatomite ceramic tile; drying the green brick, sending into a roller kiln, and sintering at 1100 ℃ for 30min to obtain the diatomite ceramic tile;
s4, preparation of aldehyde-removing mixed liquor
Weighing the following raw materials in parts by weight: 2.5 parts of potassium permanganate, 1.5 parts of potassium citrate and 96 parts of deionized water are stirred and mixed, heated at 75 ℃, adjusted to pH 9 by using sodium hydroxide solution and kept warm for 25 min; after the heat preservation is finished, cooling to room temperature to obtain manganese dioxide gel;
weighing the following raw materials in parts by weight: 70 parts of manganese dioxide gel, 13.5 parts of potassium silicate sol, 8 parts of acrylic emulsion, 4.5 parts of hydroxyethyl cellulose, 2.5 parts of defoaming agent and 1.5 parts of dispersing agent, and fully mixing to obtain aldehyde-removed mixed solution;
s5, preparation of finished diatomite ceramic tile product with aldehyde and moisture removal functions
Brushing the aldehyde-removing mixed solution on the surface of the diatomite ceramic green brick, and standing for 3.5 hours; and then baking the green brick at 370 ℃ for 6h to obtain the finished product of the aldehyde-removing and humidity-regulating diatomite ceramic tile.
Example 6
A preparation method of a ceramic tile with aldehyde and humidity removal functions comprises the following steps:
s1, preparation of master batch particles
Weighing the following raw materials in parts by weight: 8 parts of diatomite, 22 parts of kaolin, 7 parts of calcined talc, 40 parts of feldspar powder, 5 parts of Xinhuai mud, 13 parts of Guangrun sand and 5 parts of bauxite are premixed in a rotary mixer, then water is added, the mixture is fed into a ball mill for ball milling, sieving is carried out for removing iron, and the diatomite ceramic tile master batch slurry after iron removal is subjected to spray granulation through a spray tower to obtain master batch particles;
s2. preparation of pigment particles
Taking the following raw materials in parts by weight: 10 parts of iron oxide pigment and 90 parts of water are stirred, dispersed and mixed to form pigment slurry, stirred and dispersed for 1 hour, and sprayed and granulated through a spray tower to obtain pigment particles;
s3, preparation of diatomite ceramic tile
Distributing the master batch particles and the pigment particles in a mould frame according to set pattern textures by a whole body distributing device, and then pressing a blank to form a whole body brick blank of the diatomite ceramic tile; drying the green brick, sending into a roller kiln, and sintering at 1100 ℃ for 30min to obtain the diatomite ceramic tile;
s4, preparing aldehyde-removing mixed liquor
Weighing the following raw materials in parts by weight: 3 parts of potassium permanganate, 1.5 parts of potassium citrate and 95.5 parts of deionized water are stirred and mixed, heated at 60 ℃, adjusted to pH 9 by using sodium hydroxide solution and kept warm for 30 min; after the heat preservation is finished, cooling to room temperature to obtain manganese dioxide gel;
weighing the following raw materials in parts by weight: 75 parts of manganese dioxide gel, 14.5 parts of potassium silicate sol, 6 parts of acrylic emulsion, 4 parts of hydroxyethyl cellulose, 0.2 part of defoamer and 0.3 part of dispersant, and fully mixing to obtain aldehyde-removed mixed liquid;
s5, preparation of finished diatomite ceramic tile product with aldehyde and moisture removal functions
Brushing the aldehyde-removing mixed solution on the surface of the diatomite ceramic green brick, and standing for 2.5 hours; and then baking the green brick at 330 ℃ for 4.5h to obtain the finished product of the aldehyde-removing and humidity-regulating diatomite ceramic tile.
Example 7
A preparation method of a ceramic tile with aldehyde and humidity removal functions comprises the following steps:
s1, preparation of master batch particles
Weighing the following raw materials in parts by weight: 14 parts of diatomite, 16 parts of kaolin, 7 parts of calcined talc, 40 parts of feldspar powder, 5 parts of Xinhuai mud, 13 parts of Guangrun sand and 5 parts of bauxite, premixing the materials in a rotary mixer, adding water, feeding the materials into a ball mill for ball milling, sieving the materials to remove iron, and performing spray granulation on the diatomite ceramic tile master batch slurry subjected to iron removal through a spray tower to obtain master batch particles;
s2. preparation of pigment particles
Taking the following raw materials in parts by weight: 8 parts of iron oxide pigment and 92 parts of water are stirred, dispersed and mixed to form pigment slurry, stirred and dispersed for 1 hour, and sprayed and granulated through a spray tower to obtain pigment particles;
s3, preparation of diatomite ceramic tile
Distributing the master batch particles and the pigment particles in a mould frame according to set pattern textures by a whole body distributing device, and then pressing a blank to form a whole body brick blank of the diatomite ceramic tile; drying the green brick, sending into a roller kiln, and sintering at 1100 ℃ for 30min to obtain the diatomite ceramic tile;
s4, preparation of aldehyde-removing mixed liquor
Weighing the following raw materials in parts by weight: 3 parts of potassium permanganate, 1.5 parts of potassium citrate and 95.5 parts of deionized water are stirred and mixed, heated at 80 ℃, adjusted to pH 8 by using sodium hydroxide solution and kept warm for 15 min; after the heat preservation is finished, cooling to room temperature to obtain manganese dioxide gel;
weighing the following raw materials in parts by weight: 60 parts of manganese dioxide gel, 25 parts of potassium silicate sol, 10 parts of acrylic emulsion, 4 parts of hydroxyethyl cellulose, 0.5 part of defoaming agent and 0.5 part of dispersing agent, and fully mixing to obtain aldehyde-removed mixed solution;
s5, preparation of finished diatomite ceramic tile product with aldehyde and moisture removal functions
Brushing the aldehyde-removing mixed solution on the surface of the diatomite ceramic green brick, and standing for 3.5 hours; and then baking the green brick for 4 hours at 400 ℃ to obtain the finished product of the aldehyde-removing and humidity-regulating diatomite ceramic tile.
Comparative example 1
A method for preparing a ceramic tile, comprising the steps of:
s1, preparation of master batch particles
Weighing the following raw materials in parts by weight: 12 parts of diatomite, 20 parts of kaolin, 7 parts of calcined talc, 40 parts of feldspar powder, 5 parts of Xinhuai mud, 13 parts of Guangrun sand and 5 parts of bauxite, premixing the materials in a rotary mixer, then adding water, feeding the materials into a ball mill for ball milling, sieving the materials to remove iron, and performing spray granulation on the diatomite ceramic tile master batch slurry subjected to iron removal through a spray tower to obtain master batch particles;
s2. preparation of pigment particles
Taking the following raw materials in parts by weight: stirring, dispersing and mixing 10 parts of iron oxide pigment and 90 parts of water to obtain pigment slurry, stirring and dispersing for 1 hour, and performing spray granulation by using a spray tower to obtain pigment particles;
s3, preparation of diatomite ceramic tile
Distributing the master batch particles and the pigment particles in a mould frame according to set pattern textures by a whole body distributing device, and then pressing a blank to form a whole body brick blank of the diatomite ceramic tile; and drying the green brick, conveying the green brick into a roller kiln, and sintering the green brick at 1100 ℃ for 30min to obtain the diatomite ceramic tile.
Comparative example 2
A method for preparing a ceramic tile, comprising the steps of:
s1, preparation of master batch particles
Weighing the following raw materials in parts by weight: 30 parts of kaolin, 7 parts of calcined talc, 40 parts of feldspar powder, 5 parts of Xinhuai mud, 13 parts of Guangrun sand and 5 parts of bauxite, pre-mixing in a rotary mixer, adding water, feeding into a ball mill for ball milling, sieving for removing iron, and performing spray granulation on the kaolin ceramic tile master batch slurry subjected to iron removal through a spray tower to obtain master batch particles;
s2. preparation of pigment particles
Taking the following raw materials in parts by weight: 10 parts of iron oxide pigment and 90 parts of water are stirred, dispersed and mixed to form pigment slurry, stirred and dispersed for 1 hour, and sprayed and granulated through a spray tower to obtain pigment particles;
s3, preparation of diatomite ceramic tile
Distributing the master batch particles and the pigment particles in a mould frame according to set pattern textures by a whole body distribution device, and then pressing to form a whole body brick blank of the kaolin ceramic brick; drying the green bricks, sending the dried green bricks into a roller kiln, and sintering the green bricks for 30min at 1100 ℃ to prepare kaolin ceramic bricks;
s4, preparation of aldehyde-removing mixed liquor
Weighing the following raw materials in parts by weight: 3 parts of potassium permanganate, 1.5 parts of potassium citrate and 95.5 parts of deionized water are stirred and mixed, heated at 60 ℃, the pH value is adjusted to 8 by using a sodium hydroxide solution, and the temperature is kept for 15 min; after the heat preservation is finished, cooling to room temperature to obtain manganese dioxide gel;
weighing the following raw materials in parts by weight: 65 parts of manganese dioxide gel, 22 parts of potassium silicate sol, 7 parts of acrylic emulsion, 4 parts of hydroxyethyl cellulose, 1.5 parts of defoaming agent and 0.5 part of dispersing agent, and fully mixing to obtain aldehyde-removed mixed solution;
s5, preparation of finished diatomite ceramic tile product with aldehyde and moisture removal functions
Brushing manganese dioxide gel on the surface of the kaolin ceramic adobe, and standing for 4 hours; and then baking the green brick at 400 ℃ for 7 hours to obtain the finished product of the aldehyde-removing and humidity-regulating kaolin ceramic brick.
Comparative example 3
A method for preparing a ceramic tile, comprising the steps of:
s1, preparation of master batch particles
Weighing the following raw materials in parts by weight: 30 parts of kaolin, 7 parts of calcined talc, 40 parts of feldspar powder, 5 parts of Xinhuai mud, 13 parts of Guangrun sand and 5 parts of bauxite, pre-mixing in a rotary mixer, adding water, feeding into a ball mill for ball milling, sieving for removing iron, and performing spray granulation on the kaolin ceramic tile master batch slurry subjected to iron removal through a spray tower to obtain master batch particles;
s2. preparation of pigment particles
Taking the following raw materials in parts by weight: 10 parts of iron oxide pigment and 90 parts of water are stirred, dispersed and mixed to form pigment slurry, stirred and dispersed for 1 hour, and sprayed and granulated through a spray tower to obtain pigment particles;
s3, preparation of ceramic tiles
Distributing the master batch particles and the pigment particles in a mould frame according to set pattern textures by a whole body distributing device, and then pressing a blank to form a whole body brick blank of the ceramic tile; drying the green brick, sending into a roller kiln, and sintering at 1100 ℃ for 30min to obtain a ceramic brick;
the removal effect of the material on formaldehyde is detected according to the method of QB/T2761-2006 on ceramic tile finished products prepared in examples 1-7 and comparative examples 1-3, and the humidity adjusting effect of the material is tested according to the method of JC/T2082-2011; the experimental results are detailed in table 1 below.
TABLE 1
| Examples | Initial Formaldehyde concentration ([ v/m ]) | Removal Rate (%) | The moisture absorption capacity is 3h (1 multiplied by 10-2 kilograms per square meter) | The moisture absorption capacity is 6h (1 multiplied by 10-2 kilograms per square meter) | The moisture absorption capacity is 12h (1 x 10-2 kilograms per square meter) |
| Practice ofExample 1 | 1.1 | 90.3 | 12.43 | 17.08 | 22.31 |
| Example 2 | 1.08 | 89.1 | 12.53 | 16.78 | 21.93 |
| Example 3 | 1.13 | 88.2 | 11.93 | 16.27 | 21.64 |
| Example 4 | 1.03 | 86.4 | 12.27 | 17.43 | 22.32 |
| Example 5 | 1.06 | 92.3 | 13.73 | 18.63 | 21.97 |
| Example 6 | 1.11 | 88.6 | 12.64 | 15.73 | 20.65 |
| Example 7 | 1.03 | 93.7 | 14.21 | 17.67 | 21.09 |
| Comparative example 1 | 1.12 | 50.3 | 11.73 | 15.43 | 20.06 |
| Comparative example 2 | 1.08 | 77.3 | 4.32 | 5.34 | 6.22 |
| Comparative example 3 | 1.06 | 23.1 | 2.12 | 3.07 | 3.32 |
As can be seen from the experimental results of table 1 above: examples 1-7 ceramic tiles preparedThe removal rate reaches over 86.4% under the condition of initial formaldehyde concentration of 1.03-1.11 double-hulled fruit; when the moisture absorption amount is 3 hours, the moisture absorption amount can reach (11.93-13.73) x10 -2 The weight per square meter and moisture absorption rate is from 15.73 to 18.63) x10 -2 The weight per square meter and the moisture absorption rate of the patch is (20.65-22.32) x10 -2 Every kilogram per square meter; the diatomite ceramic tile prepared by the method has good humidity-adjusting application effect and formaldehyde-removing effect;
comparative example 1, in the case of no loading of the active manganese oxide material (aldehyde-removing mixed solution), the removal rate of the ceramic tile prepared is only 50.3% under the condition of initial formaldehyde concentration of 1.12 mg/m, which indicates that the formaldehyde removal rate of the pure diatomite ceramic tile is much lower without loading the active manganese oxide material, and proves that the aldehyde-removing effect of the active manganese oxide material is obvious; and 11.73x10 at moisture absorption capacity of 3h -2 The water absorbing amount per square meter is 15.43x10 when the water absorbing amount is 6 hours -2 The water absorbing amount of every kilogram per square meter is 20.06x10 when the water absorbing amount is 12 hours -2 ㎏/㎡；
Comparative example 2, the removal rate of the ceramic tile prepared without adding diatomaceous earth was 77.3% under the condition of initial formaldehyde concentration at 1.08 mg/m full length year; 4.32x10 at 3h moisture absorption -2 The water absorbing amount of every square meter is 5.34 x10 when the water absorbing amount is 6 hours -2 The water absorbing amount of every square meter is 6.22x10 when the water absorbing amount is 12 hours -2 The method comprises the following steps of (1) taking every kilogram and every square meter, namely, no diatomite is added to influence the surface structure of the ceramic tile, so that the humidity adjusting function of the ceramic tile is reduced, and the formaldehyde removing effect is reduced to a certain extent;
comparative example 3, in the case that the green body does not contain diatomite and the surface of the green body is not loaded with an active manganese oxide material (aldehyde-removing mixed solution), the initial formaldehyde concentration of the obtained ceramic tile is 23.1% under the condition of 1.06 mg/m heavy energy; 2.12x10 at the moisture absorption capacity of 3h -2 Every kilogram of water, every square meter, its moisture absorption rate is 3.07 x10 -2 The water absorbing amount of every square meter is 3.32x10 when the water absorbing amount is 12 hours -2 Every kilogram per square meter; the results show that the ceramic tile without the diatomite added into the green body and the active manganese oxide loaded on the surface has very poor aldehyde removal effect and humidity regulation function. In addition, comparing the densities of example 1 and comparative example 3, it was found that the ceramic tiles of example 1 were produced at a density of 1.7g/m and those of comparative example 3 were produced at a density of 2.3 g/m/m, it was found that the density of comparative example 3 was relatively greater than that of example 1, since the ceramic tile of example 1 had a porous surface and a large specific surface area, resulting in a density lower than that of the ceramic tile of comparative example 3.
The above embodiments are preferred implementations of the present application, and the present application can be implemented in other ways without departing from the spirit and scope of the present application.
Claims (9)
1. A ceramic tile with aldehyde and humidity removal functions is characterized in that: the composition comprises the following raw materials in parts by weight:
94-106 parts of blank master batch, 1-10 parts of pigment and 5-20 parts of aldehyde-removing mixed liquor;
the green body master batch comprises the following raw materials in parts by weight:
8-14 parts of diatomite, 16-22 parts of kaolin, 7 parts of calcined talc, 40 parts of feldspar powder, 5 parts of Xinhuai mud, 13 parts of Guangrun sand and 5 parts of bauxite;
the aldehyde-removing mixed liquor comprises the following raw materials in percentage by weight:
50-80% of manganese dioxide gel, 10-30% of potassium silicate sol, 6-10% of acrylic emulsion, 3.7-5% of hydroxyethyl cellulose, 0.2-3% of defoaming agent and 0.1-2% of dispersing agent.
2. The ceramic tile with aldehyde and moisture removal functions as claimed in claim 1, wherein: the pigment is an iron oxide pigment.
3. The ceramic tile with aldehyde and moisture removal function as claimed in claim 1, wherein: the manganese dioxide gel comprises the following raw materials in percentage by weight:
2.5-3% of potassium permanganate, 1.5% of potassium citrate and the balance of deionized water.
4. The preparation method of the ceramic tile with the aldehyde and moisture removal function as claimed in any one of claims 1 to 3, which is characterized by comprising the following steps:
s1, preparation of master batch particles
Weighing raw materials according to the weight parts of the blank master batch, premixing the raw materials of the blank master batch in a rotary mixer, then adding water, feeding the mixture into a ball mill for ball milling, sieving to remove iron, and performing spray granulation on the diatomite ceramic tile master batch slurry subjected to iron removal through a spray tower to obtain master batch particles;
s2. preparation of pigment particles
Weighing raw materials according to the weight parts of the pigment, mixing the raw materials with water, stirring and dispersing for 1h, and performing spray granulation through a spray tower to obtain pigment particles;
s3, preparation of diatomite ceramic green bricks
Distributing the master batch particles and the pigment particles in a mould frame according to set pattern textures by a whole body distributing device, and then pressing a blank to form a whole body brick blank of the diatomite ceramic tile; drying the diatomite ceramic tile whole body green brick, then sending into a roller kiln, and sintering for 30min at 1100 ℃ to obtain a diatomite ceramic green brick;
s4, preparing aldehyde-removing mixed liquor
Weighing raw materials according to the composition of manganese dioxide gel, stirring and mixing the raw materials, heating at 60-80 ℃ for 15-30min, and cooling to room temperature to obtain manganese dioxide gel;
preparing manganese dioxide gel, potassium silicate sol, acrylic emulsion, hydroxyethyl cellulose, a defoaming agent and a dispersing agent according to the weight percentage, and fully mixing to obtain aldehyde-removed mixed liquor;
s5, preparation of finished diatomite ceramic tile product with aldehyde and moisture removal functions
Brushing the aldehyde-removing mixed solution on the surface of the diatomite ceramic green brick, and standing for 2-4 h; and then baking the diatomite ceramic green brick at the temperature of 300-400 ℃ for 4-7h to obtain the finished product of the aldehyde-removing and humidity-regulating diatomite ceramic brick.
5. The method for preparing ceramic tile with aldehyde and moisture removing functions as claimed in claim 4, wherein the method comprises the following steps: in the preparation of manganese dioxide gel in step S4, after the stirring and mixing, the pH of the solution is adjusted to 8 to 10.
6. The method for preparing ceramic tile with aldehyde and moisture removing functions as claimed in claim 5, wherein the method comprises the following steps: in step S4, the solution pH is adjusted to be adjusted using a sodium hydroxide solution.
7. The method for preparing ceramic tile with aldehyde and moisture removing functions as claimed in claim 5, wherein the method comprises the following steps: in step S4, after the pH of the solution is adjusted, the solution is heated at 70 ℃ for 20 min.
8. The method for preparing ceramic tile with aldehyde and moisture removing functions as claimed in claim 4, wherein the method comprises the following steps: in step S5, the standing time is 3 hours.
9. The method for preparing ceramic tile with aldehyde and moisture removing functions as claimed in claim 4, wherein the method comprises the following steps: in step S5, the baking conditions of the diatomite ceramic green brick are baking at 350 ℃ for 5 h.
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