Protecting device for heat exchanger of condensing gas water heater

冷凝式燃气热水器热交换器的防护装置

Abstract

The utility model discloses a guard for condensing type gas water heater heat exchanger and is arranged on surface of a condensing type gas water heater heat exchanger. The utility model is characterized in that the guard is a coating structure on surface of a heat exchanger. The coating is a chemical plated nickel-phosphorus alloy coating. The coating can be dope or heat-resistant paint dominated by organosiliconpolymer; the dope can be either black cathodic electrophoretic dope primarily containing acrylic resin, epoxy, masked isocyanate resin in fatty group and a little alcohol ether solvent or cathodic electrodeposit. The utility model has the advantages of ensuring heat transfer by means of conduction and condensed fluid erosion resistance and so on.
本实用新型公开了一种冷凝式燃气热水器热交换器的防护装置,该防护装置设置在冷凝式燃气热水器热交换器的表面,其特征在于,该防护装置为设置在为在热交换器表面覆盖涂层结构。该涂层为化学镀的镍-磷合金镀层。该涂层可为涂料,涂料为黑色阴极电泳涂料,其主要成分为丙烯酸树脂、环氧树脂、脂肪族封闭异氰酸酯树脂少量醇醚类溶剂。涂料也可为阴极电沉积涂料。该涂层可为以有机硅聚合物为主漆料的耐热漆。本实用新型具有保证热量传导换热,耐冷凝液体腐蚀等优点。

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