阅读说明：本技术 一种发热瓷砖及其制备方法 (Heating ceramic tile and preparation method thereof ) 是由 李振邦 于 2019-10-18 设计创作，主要内容包括：本发明公开了一种发热瓷砖的制备方法,包含以下步骤：S1清洗瓷砖,吹干；S2将石墨烯或者官能化石墨烯与水性环氧树脂使用搅拌釜搅拌混合,随即通过射流分散机进行射流分散,完成后通过使用离心机离心纯化,随即得到发热涂料;S3将导电材料通过使用掩膜涂布机掩膜涂布引入瓷砖表面,形成特定结构的导电通路后,得到引入布线层后的瓷砖;S4将发热涂料使用静电喷头喷涂附着至瓷砖上,再进行使用光固化机进行发热层固化后,得到涂覆发热涂层后的瓷砖；S5将保护层涂料通过使用静电喷头喷涂在瓷砖上形成保护层,并在使用光固化机完成光照后得到发热瓷砖。本发明同时公开了一种发热瓷砖,该发热瓷砖具有易于铺贴,不占层高,阻燃防火,不会热击穿,低电压驱动即可发热等优点。(The invention discloses a preparation method of a heating ceramic tile, which comprises the following steps: s1, cleaning the ceramic tile and drying; s2, stirring and mixing graphene or functionalized graphene and water-based epoxy resin by using a stirring kettle, immediately performing jet flow dispersion by using a jet flow dispersion machine, and after the jet flow dispersion is completed, performing centrifugal purification by using a centrifugal machine, and immediately obtaining a heating coating; s5, spraying the protective layer coating on the ceramic tile by using an electrostatic sprayer to form a protective layer, and finishing illumination by using a photocuring machine to obtain the heating ceramic tile. The invention also discloses a heating ceramic tile which has the advantages of being easy to lay and paste, free of floor height, flame-retardant, fireproof, free of thermal breakdown, capable of heating under low-voltage driving and the like.)

1. A preparation method of the heating ceramic tile comprises the following steps:

s1, cleaning the ceramic tile and drying;

s2, stirring and mixing the graphene or the functionalized graphene and the water-based epoxy resin by using a stirring kettle, immediately performing jet flow dispersion by using a jet flow dispersion machine, and after the jet flow dispersion is completed, performing centrifugal purification by using a centrifugal machine to immediately obtain the heating coating;

s3, conducting materials are introduced to the surface of the ceramic tile through mask coating by using a mask coater, and after a conducting path with a specific structure is formed, the ceramic tile with the wiring layer introduced is obtained;

s4, spraying the heating coating onto the ceramic tile by using an electrostatic sprayer, and curing the heating layer by using a photocuring machine to obtain the ceramic tile coated with the heating coating;

s5, spraying the protective layer coating on the ceramic tile by using an electrostatic sprayer to form a protective layer, and finishing illumination by using a photocuring machine to obtain the heating ceramic tile.

2. A method for producing a heat-generating ceramic tile according to claim 1, wherein: the time length of the stirring kettle in the S2 is 0.01-120min, and the rotating speed is 1-500 rpm.

3. A method for producing a heat-generating ceramic tile according to claim 1, wherein: the jet flow dispersion machine in the S2 has the time length of 0.01-120min and the pressure of 0.5-100 Mpa.

4. A method for producing a heat-generating ceramic tile according to claim 1, wherein: and the centrifugal speed of the centrifugal machine in the S2 is 30-12000rpm, and the time duration is 0.01-15 min.

5. A method for producing a heat-generating ceramic tile according to claim 1, wherein: the conductive material in S3 is conductive adhesive, metal foil or conductive adhesive tape.

6. A method of manufacturing a heating tile according to claim 5, wherein: the conductive adhesive is one of conductive carbon black, conductive graphite, a graphene carbon nanotube, a water-based binder, a graphite conductive adhesive, a copper powder conductive adhesive, a silver powder conductive adhesive, a conductive gold adhesive, a conductive silver adhesive, a conductive copper adhesive, a conductive aluminum adhesive, a conductive zinc adhesive, a conductive iron adhesive, a conductive nickel adhesive, a conductive calcium carbide adhesive, a conductive silica gel, a carbon conductive adhesive tape, a copper conductive adhesive tape, a graphite filled conductive adhesive, a polythiophene conductive polymer material conductive adhesive and a polypyrrole conductive polymer material conductive adhesive; the metal foil is one of copper, brass, aluminum, nickel and metal alloy or composite metal foil; the conductive adhesive tape is one of a copper adhesive tape or an aluminum foil adhesive tape.

7. A method for producing a heating tile according to claim 1, wherein: the voltage of the electrostatic spray head in S4 is 0.001v-300kv, the gas flow is 0.001L/S-50L/S, and the gas-liquid ratio is 1:0.01-1: 100.

8. A method for producing a heat-generating ceramic tile according to claim 1, wherein: the wavelength of the light curing machine in S4 is 195nm-10um, and the illumination intensity is 0.05lux-1000 lux.

9. A method for producing a heat-generating ceramic tile according to claim 1, wherein: the voltage of the electrostatic spray head in S5 is 0.001v-300kv, the gas flow is 0.001L/S-50L/S, and the gas-liquid ratio is 1:0.01-1: 100.

10. A method for producing a heat-generating ceramic tile according to claim 1, wherein: in S5, the wavelength of the light curing machine is 195nm-10um, and the illumination intensity is 0.05lux-1000 lux.

11. A method for producing a heat-generating ceramic tile according to claim 1, wherein: in S5, the protective layer coating is one of a composite silicate heat insulation material, an inorganic active heat insulation material, a silicate heat insulation material, a ceramic heat insulation material, rubber powder polyphenyl particles, a steel wire mesh cement foam board (Shule board), an extruded sheet XPS, a hard foam polyurethane heat insulation board, a spray polyurethane hard foam, an EPS foam board heat insulation material, perlite, diatomite, asbestos, rock wool, mineral wool, vermiculite, limestone, hollow glass beads, a carbon-coated heat insulation material or a polyurethane flame-retardant waterproof coiled material.

12. A heating tile, characterized in that it is prepared by the process of any one of claims 1 to 11.

Technical Field

The invention belongs to the technical field of materials, and particularly relates to a heating ceramic tile and a preparation method thereof.

Background

The Floor Heating is short for Floor radiation Heating, and is called radiation Floor Heating, the whole Floor is uniformly heated by using a Heating medium in a Floor radiation layer as a radiator, and the Heating is achieved by conducting from bottom to top by utilizing the law of heat storage and upward radiation of the Floor. Present technical level warms up and generally divide into warm up with the electricity and warm up with water, and warm up with the electricity and have branch of heating cable heating and electric heat membrane heating carbon fiber electricity warm again: the water floor heating, namely low-temperature hot water ground radiation heating, is a heating mode that hot water with the temperature not higher than 60 ℃ is used as a heating medium, circularly flows in a heating pipe to heat a floor, and supplies heat to the indoor through the ground in a radiation main and convection secondary heat transfer mode; heating cable ground radiation heating is a heating mode that a low-temperature heating cable is used as a heat source to heat a floor, and heat is supplied to a room through the ground in a heat transfer mode of radiation main and convection secondary, wherein common heating cables are divided into a single-core cable and a double-core cable, and the double-core cable has no magnetic field and radiation; the low-temp. radiation electrothermal film is a semi-transparent polyester film which can be heated after being electrified, and is made up by using conductive special-made printing ink and metal current-carrying strip through the processes of processing and hot-pressing between insulating polyester films.

However, in the conventional floor heating mode, pipelines, cables or electrothermal films need to be laid under the floor in advance during installation, the installation steps are complicated, time-consuming and labor-consuming, and once the pipelines, cables or electrothermal films under the bottom plate break down and need to be maintained or replaced, the floor above the bottom plate needs to be removed or even damaged before maintenance or replacement is carried out; even if the faults do not occur in the using process, the conventional geothermal heating equipment still needs to be forcibly replaced after being used for a certain period of time so as to ensure the normal work of the equipment, and the later maintenance cost is invisibly increased.

Disclosure of Invention

The invention aims to provide a heating ceramic tile which is easy to lay and paste and does not occupy high floor and a preparation method thereof.

The preparation method of the heating ceramic tile provided by the embodiment of the invention comprises the following steps:

s1, cleaning the ceramic tile and drying;

s2, stirring and mixing the graphene or the functionalized graphene and the water-based epoxy resin by using a stirring kettle, immediately performing jet flow dispersion by using a jet flow dispersion machine, and after the jet flow dispersion is completed, performing centrifugal purification by using a centrifugal machine to immediately obtain the heating coating;

s3, conducting materials are introduced to the surface of the ceramic tile through mask coating by using a mask coater, and after a conducting path with a specific structure is formed, the ceramic tile with the wiring layer introduced is obtained;

s4, spraying the heating coating onto the ceramic tile by using an electrostatic sprayer, and curing the heating layer by using a photocuring machine to obtain the ceramic tile coated with the heating coating;

s5, spraying the protective layer coating on the ceramic tile by using an electrostatic sprayer to form a protective layer, and finishing illumination by using a photocuring machine to obtain the heating ceramic tile.

In one embodiment, the stirring tank described in S2 has a time period of 0.01-120min and a rotation speed of 1-500 rpm.

In one embodiment, the jet disperser described in S2 has a duration of 0.01-120min and a pressure of 0.5-100 MPa.

In one embodiment, the centrifuge centrifugation speed in S2 is 30-12000rpm, and the time period is 0.01-15 min.

In one embodiment, the conductive material in S3 is conductive adhesive, metal foil, conductive adhesive tape,

the conductive adhesive is one of conductive carbon black, conductive graphite, a graphene carbon nanotube, a water-based binder, a graphite conductive adhesive, a copper powder conductive adhesive, a silver powder conductive adhesive, a conductive gold adhesive, a conductive silver adhesive, a conductive copper adhesive, a conductive aluminum adhesive, a conductive zinc adhesive, a conductive iron adhesive, a conductive nickel adhesive, a conductive calcium carbide adhesive, a conductive silica gel, a carbon conductive adhesive tape, a copper conductive adhesive tape, a graphite filled conductive adhesive, a polythiophene conductive polymer material conductive adhesive and a polypyrrole conductive polymer material conductive adhesive; the metal foil is one of copper, brass, aluminum, nickel and metal alloy or composite metal foil; the conductive adhesive tape is one of a copper adhesive tape or an aluminum foil adhesive tape.

The voltage of the electrostatic spray head in S4 is 0.001v-300kv, the gas flow is 0.001L/S-50L/S, and the gas-liquid ratio is 1:0.01-1: 100.

In one embodiment, the wavelength of the light curing apparatus described in S4 is 195nm-10um, and the illumination intensity is 0.05lux-1000 lux.

In one embodiment, the electrostatic spray head described in S5 has a voltage of 0.001v-300kv, a gas flow rate of 0.001L/S-50L/S, and a gas-liquid ratio of 1:0.01-1: 100.

In one embodiment, the wavelength of the light curing apparatus described in S5 is 195nm-10um, and the illumination intensity is 0.05lux-1000 lux.

In one embodiment, in S5, the protective layer coating is one of composite silicate heat insulating material, inorganic active heat insulating material, silicate heat insulating material, ceramic heat insulating material, rubber powder polyphenyl particles, steel wire mesh cement foam board (sulle board), extruded sheet XPS, hard foam polyurethane heat insulating board, spray polyurethane hard foam, EPS foam board heat insulating material, perlite, diatomite, asbestos, rock wool, mineral wool, vermiculite, limestone, hollow glass bead, carbon-coated heat insulating material, or polyurethane flame-retardant waterproof coiled material.

The embodiment of the invention also provides a heating ceramic tile which is prepared by any one of the methods.

The heating ceramic tile provided by the embodiment of the invention has the advantages of easiness in paving and pasting, no floor height, flame retardance, fire resistance, no thermal breakdown, heating by low-voltage driving and the like.

Drawings

FIG. 1 is a flow chart of the process steps of this example.

Detailed Description

In order to make the objects, technical solutions and advantages of the present invention more apparent, the present invention is described in further detail below with reference to the accompanying drawings and embodiments. It should be understood that the specific embodiments described herein are merely illustrative of the invention and are not intended to limit the invention.

Referring to fig. 1, a method for manufacturing a heating tile according to an embodiment of the present invention includes the following steps:

s1, the ceramic tiles are unpacked by a unpacking machine, the unpacking machine comprises a positioning system and a dismantling mechanical arm, the size of the ceramic tiles is calculated through the positioning system, the mechanical arm is further driven to execute the dismantling action, the ceramic tiles with different specifications and sizes are dismantled through the unpacking machine and are unpacked, and the ceramic tiles are placed on a conveying belt and conveyed to the next procedure. The size of the related ceramic tile is from 1mm by 1mm to 1200mm by 2400 mm. And then, cleaning by using a spray head, and cleaning the ceramic tile by using the spray head to remove particles and dust on the back of the ceramic tile. The spray head pumps water mist with certain pressure through the pressurizing pump, so that particles on the ceramic tile are dissolved or taken away by flowing liquid drops, and the cleaned ceramic tile is blown by high-pressure air until the surface is completely dried.

S2, feeding graphene or functionalized graphene and the waterborne epoxy resin into a stirring kettle for premixing. The stirring time is 0.01-120min, and the rotating speed is 1-500 rpm. Then the material is sent into a reactor for dispersion, the duration of the jet flow dispersion machine is 0.01-120min, and the pressure is 0.5-100 Mpa. After completion, the material is sent to a centrifuge by using the centrifuge to precipitate poorly dispersed particles. Wherein the centrifugal speed of the centrifugal machine is 30-12000rpm, and the heating coating is obtained immediately after the time duration is 0.01-15 min.

S3, spraying the conductive material through the mask by using a mask coater, and arranging the conductive material in the form of a wiring layer with the thickness of 0.1-200 u. The wiring layer shape includes interdigital electrodes, parallel plates, concentric circles, and the like. And coating a mask to introduce the surface of the ceramic tile, and forming a conductive path with a specific structure to obtain the ceramic tile introduced with the wiring layer.

S4, the electrothermal paint is sprayed and attached to the ceramic tile by using an electrostatic spray head, and the electrothermal paint is sprayed to the surface of the clean ceramic tile in a mist form by the spray head to form a coating with the thickness of 0.1-100 um. Wherein the voltage of the electrostatic spray head is 0.001v-300kv, the gas flow is 0.001L/s-50L/s, and the gas-liquid ratio is 1:0.01-1: 100. And illuminating by using a light curing machine, and then cleaning the electric heating coating on the surface of the ceramic tile by light illumination, wherein the wavelength of the light curing machine is 195nm-10um, and the illumination intensity is 0.05lux-1000lux, so that the electric heating coating is cured to form a heating layer, and the ceramic tile coated with the heating coating is obtained.

S5, the protective layer paint is sprayed by using an electrostatic spray head, which is used for spraying the protective layer paint to the surface in a mist form by the spray head, and a coating layer with the thickness of 0.1-100um is formed. Wherein the voltage of the electrostatic sprayer is 0.001-300 kv, the gas flow is 0.001-50L/s, the gas-liquid ratio is 1:0.01-1:100 to form a protective layer on the ceramic tile, the light curing is completed by using a light curing machine, the protective layer paint on the surface of the ceramic tile is irradiated by light to cure the protective layer paint, and then the final product is obtained. Wherein the wavelength of the light curing machine in S5 is 195nm-10um, and the illumination intensity is 0.05lux-1000 lux.