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电热管常见的问题

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热水机电热管-加热棒

热水机电热管-加热棒

通过以上客户提供的资料,我首先根据客户的工作环境:加热导热油来确定客户的加热管参数尺寸 设计是否有问题,根据客户提供的,其加热管的总长度只有2500mm左右,其中加热区按照常规估计只有2300mm左右,功率为6KW,即加热管的每米功 率为2.6KW左右(根据【电热知识】简易设计加热管功率)可以得知其每米功率设计有点偏高,但应该不是引起客户所说的加热管两三天就坏的根本原因。继续 根据客户说的现象:从底部往上安装的不出现坏的现象,从侧面倾斜45度安装的加热管两三天就会坏,坏的很频繁。这是问题的关键,专业销售或者生产工业加热 管的客服一下子就可以知道可能是由于侧面倾斜45度的加热管是由于加热管的加热区脱离油加热所导致的加热管表面温度散热效果极差,以至于电热管内部温度过 高,电热丝熔断。再通过客户提供的图片(法兰下面300mm处出现爆管)更加客户肯定加热管坏是由于设计生产时候没有确定好加热管冷区所造成的。分析到这 里,本以为可能就只有这一个原因导致的,可是我再客户的图片当中还看到了一个现象,那就是加热管表面结碳很严重。结碳同样会导致加热管表面温度散热效果极 差,以至于电热管内部温度过高,电热丝熔断。严重出现爆管。By providing the above information, I first of all according to the customer’s environment: heat conducting oil to determine the customer’s heating pipe size design parameters if there are problems, according to customers, the total length of the heating tube is only 2500mm, of which the heating zone in accordance with the General estimated that only about 2300mm, power 6KW, namely heating power of 2.6KW per meter or so (according to [knowledge] simple design electric heating tube power) can know its power per meter design a bit high, but it should not lead to customer said heating pipe two or three days a bad root causes. Continue according to the customer, said the phenomenon: from the bottom up installation does not appear a bad phenomenon, tilted 45 degrees from the side of the installed heating pipe twenty-three days will be bad, bad very often. This is the crux of the problem, specializing in sales or production of industrial heating customer service can know at once may be due to lateral tilt of 45 degrees is due to the heating pipe heating pipe heating zone resulting from the oil heating heating tube surface temperature cooling effect is very poor, so that the internal temperature is too high heating pipes, electric wire fuse. Then through the customer’s picture (below 300mm flange pipe explosion occurring) is certainly more customers because of bad heating time did not determine a good design and production of heating caused by the cold zone. Analysis here, I thought this one might be the only causes, but my client’s image which then also saw a phenomenon, that is heating tube surface junction carbon very serious. Results carbon heating tube surface can also cause poor cooling effect of temperature, so that the internal temperature is too high heating pipes, electric wire fuse. Is serious squib.

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