Being in the cold winter, busy all day, it is more comfortable to go home to take a hot bath. If you don't have a good water heater at home, taking a bath is really something you need to rely on.
Throughout the water heater market, traditional electric water heaters and gas water heaters not only have high energy consumption and slow heating efficiency, but also have great safety hazards and have been gradually eliminated. Although solar water heaters are famous for energy conservation and environmental protection, and can avoid safety hazards, due to current technical limitations, solar energy utilization rate is not high, and it is affected by climate, resulting in the phenomenon that winter hot water is not warm.
As an emerging fourth-generation water heater, air-energy water heaters can increase the energy efficiency ratio by absorbing the heat in the air, which is more than 75% energy-saving than electric water heaters. It is the best choice for consumers. However, it is undeniable that the air energy water heater industry is still in the development stage, the strength of the major manufacturers is neat, and the quality of the products is also uneven. For example, in the production of water tanks, the appearance looks very gorgeous, but the inner liner is quite different. In fact, as the core component of the water tank, the inner tank is responsible for the long-term normal operation of the water heater. Therefore, the choice of a force for the air energy water heater, the liner is the key.
According to the material, the household tank liner can be divided into three categories: stainless steel liner, plastic liner (crystal liner) and enamel liner. However, it has been proved by investigation that the crystal liner leaks due to shelling and hardening, and yellow water (rust water) appears in one year of use. The same problem occurs in a region with poor water quality even within half a year. Stainless steel liner welds are easily corroded by chloride ions in tap water, which can easily cause problems such as water leakage and suction, which reduces product life and pollutes water quality. Therefore, the requirements of the two types of liners for the use characteristics of the water heater are still insufficient.
As a high-tech product, the enamel liner can withstand a wide range of temperature changes, generally ranging from -60 to +450 °C, and can withstand high temperature sudden changes. Physical properties, compression resistance, tensile strength, elasticity, electrical insulation, no pollution; chemical properties, acid resistance, alkali resistance, high temperature resistance, water vapor resistance, various ions can not penetrate the surface layer, can effectively ensure the water quality is not Pollution.
Some industry experts said that the popularity of enamel liners is an inevitable trend of air-energy water heaters. However, the R&D and production of air-energy water heater enamel liners are affected by many factors, and it is more necessary for enterprises to have strong financial strength, technical strength, market promotion strength, and also to consider whether the input-output ratio can withstand. Many companies have not succeeded in the above factors and are still using traditional stainless steel liners.
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