Functional ceramic tiles have been like the emperor's royal garden in recent years - "all kinds of tricks", but there is one One type that is very popular is graphene heating tiles. Zhong Taojun thought, probably because its functions are visible and tangible, and consumers can know where their money is spent. If you want to know what graphene heating tiles are, please listen to Zhongtao Jun’s detailed explanation below.
The heating principle of graphene
The heating principle of graphene is based on the characteristics of single-layer graphene. First of all, Graphene is the material with the highest thermal conductivity so far and has very good thermal conductivity.
Joule's law is a law that quantitatively explains how conductive current converts electrical energy into thermal energy , the heat generated by current passing through a conductor is proportional to the square of the current, proportional to the resistance of the conductor, and proportional to the time of energization.
So in a simple sentence:After electrification, graphene It will generate heat and produce heat to keep people warm.
Application of graphene in ceramic production
From the analysis of graphene’s raw materials and production and processing, graphene In practical applications in ceramics, the following aspects still need to be considered:
1. Regarding the selection of graphene basic raw materials:< /span>
When preparing graphene ceramic composite materials, it is necessary to select different forms of graphene raw materials according to the required characteristics, such as slurry, powder, film, etc., or choose to focus on thermal conductivity and electrical conductivity. , toughening and other different properties of graphene.
2. Control of consistency and standards of graphene raw materials ：
Because the consistency of graphene raw materials is still difficult to control, when When preparing graphene ceramic composite materials, sufficient preparations must be made to ensure actual application parameters, predict material changes, and design countermeasures in advance.
3. Graphene preparation cost and profit considerations:
To achieve industrialization of graphene, it also needs to rely on the rigidity of downstream industries At the same time, the cost of graphene preparation must first be reduced to less than 0.1 RMB/g, but this is a long process, and the initial material cost is still very high.
Production process of graphene ceramic tiles
Ceramic tiles are made of clay, quartz sand and other inorganic non-metallic raw materials. Plate or block ceramic products produced through batching, ball milling, powdering, molding, sintering and other processes are widely used to decorate and protect the walls and floors of buildings and structures.
So in what capacity and how is graphene added to ceramic tiles? What about production? Most of the answers you get from merchants that produce graphene heating tiles on the market are: Graphene electric heating plate/graphene heating chip.
However, due to limitations in preparation technology and production volume, the current The price is very high. Most of the products with a market price of 1 RMB/g have 5 to 10 layers. Objectively speaking, they are only flake graphite and cannot be called graphene. The price of real single-layer graphene will be much higher.
Performance characteristics of graphene heating tiles
1. Thermal stability: Graphite The thermal stability of vinyl electric heating plates is relatively good. During long-term use of ceramic tile products, the thermal power is very stable, ensuring the safety of consumers to the greatest extent;
2. Electricity safety:Generally The graphene heating panels in the ceramic tiles are powered by 36-volt safety extra-low voltage DC, which ensures safety and reduces electromagnetic radiation;
3. Fire safety:On the market Most of our products meet the requirements of Class A fire protection standards and will not be ignited even if exposed to direct fire;
4. Waterproof performance: Graphene In the production of electric heating plates, protective layers and welt strips are usually used. They can still work normally when immersed in water and will not cause safety risks;
5. Environmental performance:The bottom layer adopts The insulation is inorganic, zero formaldehyde and VOThe release of C, and because the electricity used for heating graphene is clean energy, it does not produce any pollution when used, which is in line with the country’s current policy of strongly controlling decoration pollution;
6. High efficiency and energy saving: This type A few minutes after the ceramic tile is started, the surface of the tile can heat up to 25°C, and the heat is transferred in one direction. The upward comprehensive thermal conductivity is more than 20 times that of the downward one. The effective heat conversion rate is at least higher than other heating products. 50%;
7. Water absorption:Water absorption The size has a great impact on the strength, linear expansion, frost resistance, impact resistance and other properties of ceramic tiles. Nowadays, it is a conventional standard that the water absorption rate of ceramic tiles is less than 0.5%, and the strength, wear resistance and anti-fouling properties have also been greatly improved. Graphene heating ceramic tiles can directly benefit from these technological advancements.
8 things to note when laying graphene tiles
1. Ground leveling layer, the first step is especially important;
2. The back and surrounding sides need to be plastered with cement to ensure the use process Security;
3. Start laying graphene heating tiles, unlike ordinary tiles The floor paving is similar;
4. Connect the heating tiles and connect each group of heating tiles to the main line Connect and unconnected joints are sealed with heat shrink tubing;
5. Install intelligent temperature control switches, which can be selected according to the needs of the family Installation location;
6. One hour after paving, the remaining bricks should be removed in time Wipe clean the cement, caulking or other sticky objects on the surface;
7. After 12 hours of paving, the brick surface should be tapped. Check, if any hollow drum sound is found, it should be re-paved;
8. You can walk on it 24 hours after the paving is completed, and scrub it thoroughly. Use clean water mixed with detergent to thoroughly cleanClean the tiles.
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Fresh objects will always be very popular among young people, but when you have the courage to While trying, be careful to avoid falling into pitfalls. One thing you must pay attention to when buying such ceramic tiles is the price. Zhong Taojun also mentioned above that the production cost of graphene heating ceramic tiles is not low, so you should be more vigilant about lower-priced products and study the product carefully. Product performance and safety performance.
Warm reminder: Find a professional when buying bricks Brand, after all, you get what you pay for, so remember not to be cheap.
The above is what Zhongtaojun brought about graphene heating tiles Knowledge sharing, if you want to know more about ceramic tiles, please pay attention to China Ceramics Network.
