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炼油炼化整体热熔浸稀土铝换热器
Hot-Dipped Rare Earth Aluminum Heat Ex-changer set Applies in the Oil Refinery and Chemical Industry


换热器是广泛应用在化工、炼油、冶金、动力、原子能等行业中的重要通用设备,它通常是在高温、高压、高流速、强腐蚀工况环境中工作,腐蚀破坏问题十分突出,换热器(管束)的腐蚀破坏有全面腐蚀、应力腐蚀开裂、缝隙腐蚀、氢腐蚀等多种形式。因腐蚀破坏,换热器使用寿命较低,给企业生产、安全、经济效益造成巨大损失,也给社会效益带来重大影响。

鞍山市银马热熔浸铝有限公司在世界上首创换热器(管束)整体热熔浸稀土铝技术,开发出“整体热熔浸稀土铝换热器(管束)”新产品,该项新技术和产品已获国家发明专利。

“整体热熔浸稀土铝换热器(管束)”是把一般碳钢(或合金钢)制成的管束进行整体防腐处理,使管束内外表面都形成合金化层,铝层包括Fe—AI合金层、纯铝层、致密AI2O3薄膜,镀层附着力强、均匀一致、无针孔漏镀。并使管束中残存的制造、焊接、胀接应力被消除80%以上,管束中的各种构造性缝隙被铝完全钎封。致使该产品具有很好的耐全面腐蚀、应力腐蚀、缝隙腐蚀、氢腐蚀的防腐性能。可以较好地防止硫化氢、三氧化硫、环烷酸、有机酸、无机盐、二氧化碳等腐蚀介质的腐蚀破坏,即适用低温腐蚀环境,又适用高温腐蚀环境。

“整体热熔浸稀土铝换热器(管束)”按国家标准规定的构造和尺寸即可,不需使用单位做任何改动,适用于新建企业,也适用于现有企业维修更换。

“整体热熔浸稀土铝换热器(管束)”具有防腐蚀、耐高温、抗磨损三大特点,其综合使用寿命是碳钢的4倍以上,耐应力腐蚀优于不锈钢,是性能价格比高、应用范围广、使用寿命长的更新换代新产品。

公司可按国标生产直径在1.2米以内,长度在6米以下的整体热熔浸稀土铝浮头式换热器管束、固定管板换热器、单面热浸U型管换热器管束。

自2001年给辽化鞍山炼油厂生产加工第一台整体热熔浸稀土铝换热器管束以来,已经先后给中石油大庆炼油厂,辽化炼油厂,葫芦岛炼油厂,锦州炼油厂,辽河炼油厂,辽化炼油厂等提供了300余台(套)的换热器产品,得到了这些用户的一致好评。


Heat ex-changer is widely used in the chemical, oil refining , metallurgy , power , nuclear and other industries as an important heat transfer general equipment. It usually operates in high temperature , high pressure, high velocity , highly corrosive environmental conditions.The corrosive damage is very conspicuous. The heat pipe bundle suffers corrosion damage in several aspects: general corrosion , stress corrosion, cracking, crevice corrosion, erosion and other forms of hydrogen induced corrosion.

Damages due to corrosion , heat ex-changer has low operational life-span. This affects production,operation safety and causes huge economic losses, and also major social financial impact.

Anshan Yin Ma Hot-dipped Aluminum Private Limited is the first operator to develop heat ex-changer (piping) set total immersion in rare earth Hot-Dipped Aluminum process and the Company had innovated the “Hot-Dipped Rare Earth Aluminum Heat Exchager (Piping) Set”new process. This advance technology and process had been granted China Government Invention patent.

“Hot-Dipped Rare Earth Aluminum Heat Ex-changer (Piping) Set” is anti-corrosive process on the general carbon steel ( or alloy steel ) heat ex-changer piping set. This process transforms the tubing both inner and outer surfaces with an anti-corrosive protective layer. This combines an Aluminum-Steel alloy layer, Aluminum layer and a dense Aluminum Oxide film.This protective process has strong binding force, uniform and no pin-hole leakage.Through the process, the stresses due to the welding,heat treatment in the manufacturing process are eliminated by as much as 80%. Also, the structural gap of the piping is completely sealed by the molten Aluminum.

Thus, the Hot-Dipped Aluminum Heat Exchanger set is highly resistant to general corrosion, stress corrosion,crevice corrosion and Hydrogen related corrosion. The Heat Exchanger resists better against Hydrogen Sulfide, Sulfur Tri-Oxide, Napha thenic acid, Organic acids, inorganic salts, carbon dioxide and other corrosive media destructive attacks. This Hot-Dipped Set works well both in low temperature or high temperature high corrosive environment.

“Hot-Dipped Rare Earth Aluminum Heat Ex-changer (Piping) Set”operates according to the National Standards and specification. There is no need to make alternation by the operating plant. It adapts to the new operation process and fits in the current maintenance program.

“Hot-Dipped Rare Earth Aluminum Heat Ex-changer (Piping) Set”has three characteristics:(1)anti-corrosion, (2) endurance in high temperature ,(3) wear-resistance. Its overall service life is more than four times the carbon steel; its stress-related corrosion is superior than stainless steel. It has higher cost performance value, wide application range, long operational life-span.

Anshan Yin Ma may process according to GB Standard, piping set within 1.2 meters in diameter , the length within six meters,of these types:“floating head heat exchanger tubing set” , “fixed tube sheet heat exchanger” , “single-sided U -tube heat exchanger”.

Ever since 2001 the first set of Rare-Earth Hot-Dipped Aluminum Heat Exchanger being processed by Anshan Yin Ma to the Liao Hua Anshan Refinery, Anshan Yin Ma has served the China Petroleum’s Daqing Refinery, LiaoHua Refinery, Huludao Refinery, Jinzhou Refinery, Liaohe Refinery with more than 300 set of Heat Ex-changer products with high comment from the operators.


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