The utility model discloses a corrosion-resistant heater, which comprises a heat conducting body and a heating pipe. The heat conducting body has a hollow strip structure. The heat conducting body comprises parallel water channels and heating pipe installation channels, and the heating pipe installation channels are located between two adjacent water channels; the heating pipe is inserted into the heating pipe installation channels; the liquid flows through the water channels; the material of the heat conducting body is metal aluminium, and the water channel. There is a protective layer on the inner wall. By installing a protective layer on the surface of the heat conducting body and the heating pipe, especially on the inner wall of the water channel, the liquid in the water channel is completely separated from the heat conducting body, so as to avoid the corrosion of the liquid to the metal heat conducting body and increase the service life of the heater; by adding ridge-shaped inner teeth in the water channel, the heat transfer area between the liquid and the heating pipe can be increased in a limited space, so as to improve the heat transfer efficiency of the heater and ensure the service life of the heater. The flow rate and water resistance of the waterway are simple in structure, low in cost and easy to process.
【技术实现步骤摘要】
一种耐腐蚀的加热器
本技术涉及PTC水加热器,尤其是一种耐腐蚀的加热器。
技术介绍
目前市场上广泛使用的水加热器很多开始采用PTC陶瓷作为核心发热元件,与传统的电热丝,电热管,远红外石英加热器相比,PTC水加热器具有自动控温,使用电压范围广,且无明火,安全可靠,寿命长等优势。PTC水加热器可以用来加热水或者各种液体,一般来说,都需要制作PTC加热管作为发热源:是指用绝缘层把PTC陶瓷元件及导电所用金属电极片包裹后穿入专用的铝管内,然后压紧铝管,再将铝管穿入高导热的金属换热体中。通电后PTC陶瓷元件产生的热量通过电极片、绝缘层、铝管和换热体传出,加热液体。对于加热水或者液体(尤其是有腐蚀性的液体)的PTC水加热器来说,导热体和加热管的防腐性能是非常重要的,通常被加热的水或者液体都会对铝制的加热器有一定的腐蚀作用,长期使用后,与液体接触的换热体水道和加热管会被不同程度的腐蚀,严重的话造成加热铝管穿孔,从而渗透入铝管内部,影响加热器的绝缘安全性能和使用寿命。
技术实现思路
技术目的:为了解决现有技术存在的问题,增强加热器的抗腐蚀性能,本技术提供一种耐腐蚀的加热器。技术方案:一种 ...
【技术保护点】
1.一种耐腐蚀的加热器,其特征在于,包括导热体和加热管,导热体为中空的条形结构,导热体内包括并列排列的水道和加热管安装孔道,加热管安装孔道位于两个相邻水道之间;加热管插入加热管安装孔道中;液体从水道中流过;导热体的材质为金属铝,水道内壁有一层保护层。
【技术特征摘要】
1.一种耐腐蚀的加热器,其特征在于,包括导热体和加热管,导热体为中空的条形结构,导热体内包括并列排列的水道和加热管安装孔道,加热管安装孔道位于两个相邻水道之间;加热管插入加热管安装孔道中;液体从水道中流过;导热体的材质为金属铝,水道内壁有一层保护层。2.根据权利要求1所述的耐腐蚀的加热器,其特征在于,所述水道的中间位置设有加固条,加固条一端连接水道上内壁,加固条另一端连接水道下内壁。3.根据权利要求1所述的耐腐蚀的加热器,其特征在于,所述保护层为氧化铝层或氧化铝薄膜。4.根据权利要求3所述的耐腐蚀的加热器,其特征在于,氧化铝薄膜的厚度为3~20um。5.根据权利要求1所述的耐腐蚀的加热器,其特征在于,导热体和加热管的所有的面均有一层保护层。6.根据权利要求1所述的耐腐蚀的加热器,其特征在于,水道与加热管安装孔...
【专利技术属性】
技术研发人员:贾小晶,
申请(专利权)人:苏州新业电子股份有限公司,
类型:新型
国别省市:江苏,32
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