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位置:首页≥加热管几种不同材料的比较


  • 加热管几种不同材料的比较

    2015年11月26日 by admin

    即热式电热水器的使用性能及安全性能如何,主要取决于其采用的加热器,目前国内市场中即热式电热水器的加热器用材一般分为以下几类: 不锈钢 

     

    The use of instant water heater performance and safety performance, mainly depends on the use of heaters, instant water heater in the domestic market of heater material generally divided into the following categories: stainless steel

    不锈钢护套加热器:不锈钢加热管技术较早,但由于不锈钢材质延展性差,发热管金属护套及内胆均采用有缝不锈钢管合成的加热器,布满了焊缝(发热管越多,焊缝就越多),加热管的表面负载高,因此易结水垢,这种先天缺陷不可避免,严重影响金属加热体的散热,轻则加热时间延长,费电,重则造成发热丝热能传导不出,使护套管中的加热丝在短期内易断裂,从而水中带电危及安全.就算加装镁棒来保护加热体,由于容积的限制,也只能在一定程度上缓解结垢问题,所以不锈钢加热器一般都做成可拆卸的,只能靠定期清洗和保养.同时又造成拆装过程中密封不好的问题,存在安全隐患. 玻璃 

    Stainless steel sheathed heater: stainless steel heating tube technology earlier, but due to the stainless steel material of low ductility, hair heat pipe seam metal sheath and the tank adopts composite stainless steel tube heater, was full of weld (the more the more hair heat pipe, weld), the surface of the heating pipe load is high, therefore, easy to scale, this kind of birth defects is inevitable, the serious influence of the metal heating body heat, light, the heating time prolonged, demanding, or caused by heat conduction of heat wire out, make the protective casing of the heating wire is easy to fracture in a short time, thus the water charged endanger safety. Adding magnesium rod to protect the heating even, as a result of the limitation of volume, also can only to a certain extent, ease the fouling problem, so generally make it removable stainless steel heater, only regular cleaning and maintenance. At the same time cause bad sealing of the problems in the process of dismantling, pose a safety hazard. The glass

    玻璃导膜加热管:较好的解决防腐蚀功能.但是在南北气温差异较大,热胀冷缩的情况下会出现爆裂,导致漏水,而且加热膜老化很快,每年的功率下降在20%以上,造成能耗大及安全隐患. 紫铜 

    Glass guide film heating tube: better solve the anti-corrosion function. But in the north and the south the temperature difference is bigger, the cases there will be a burst of heat bilges cold shrink, cause leaks, and heating film aging fast, power decline in more than 20% per year, large energy consumption and safety concerns. Copper

    纯紫铜(无氧紫铜)加热器:紫铜的抗氧化,抗腐蚀性强,不仅可以减少水垢的危害,且导热性

    Pure copper (oxygen free copper) heater: copper oxidation resistance, corrosion resistance is strong, not only can reduce the scale of the harm, and thermal conductivity

     

     

     

     

     

     

     

     

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    能大大优于不锈钢,同时,无氧紫铜材质的延展性强,所以采用无缝纯紫铜管及铜管焊,可减少焊缝的数量,铜的电位比水中杂质元素的电位要低很多,不会受到电腐蚀,从根本上杜绝了水垢的危害并提高了热效率.根据<中国日用电器质量监督检测中心电热水器具实验室>最近的检验报告以及<中国疾病预防控制中心>对水家电相关的测试结果均显示:无氧紫铜加热器在其选材以及设计中表明其100%抗菌性,抗霉性均在检测的材料中名列榜首.但无氧紫铜的材料成本是不锈钢材料成本的4倍,成本太高,影响了其在即热式电热水器行业中的广泛应用. 

    Greatly superior to stainless steel, at the same time, the ductility of oxygen-free copper material is strong, so by using pure copper tube and the seamless copper pipe welding, can reduce the number of weld, the potential of copper is lower than the water potential of impurity elements, is not subject to corrosion, fundamentally eliminate the harm of the scale and improve the thermal efficiency. According to < China Daily > electrical equipment quality supervision and inspection center in my lab in recent inspection report and the < > by Chinese center for disease control and prevention of water appliances relevant test results showed that oxygen free copper heater in the material selection and design show that 100% of its antimicrobial properties, mildew resistance are ranked first in the testing of materials. But the oxygen-free copper material cost four times as great as that of stainless steel material cost, cost is too high, influence its of water heater is widely used in industry.

    因此,无氧紫铜在即热式电热水器核心部件的运用已大大提高了热水器的安全系数,也成为高,低端快速电热水器划分的分水岭. 外壳须带保护甲 

    Therefore, oxygen free copper core components of water heater application has greatly improved the safety factor of the water heater, also become high, low-end watershed divide rapid electric water heater. The shell must take protective armor

    除了加热器外,外壳材料也对即热式电热水器安全防护的又一重保护甲.一般来说,目前市场上快速电热水器的外壳材质主要有金属面板,如:铁,不锈钢,普通塑料或压膜,如各种金色,银色及彩色膜;另外还有ABS特种胶料等几种外壳. 

    In addition to heater, shell materials of instant water heater safe protection and a heavy armour. In general, fast electric water heater shell material on the market at present there are mainly metal panels, such as: iron, stainless steel, ordinary plastic or film surface, such as all kinds of gold, silver and color film; There are several shell ABS special rubber etc.

    热水器长期处于潮湿的环境中使用,应该采用ABS特种胶做成的外壳,其特性表现为阻燃,耐热性耐化学性高,抗拉强度,抗冲击强度,表面硬度高等先天优点 

    Water heater in damp environment for a long time, should adopt ABS shell made of special glue, the properties of flame retardant, heat resistant high chemical resistance, tensile strength, impact strength, higher surface hardness is congenital advantage

    以上介绍了几种不同材料的加热管进行比较。

    The above, this paper introduces several kinds of different material heating tube is used in the comparison.

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