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壁挂式电锅炉是否适合使用大气式热力除氧
2018-06-25 11:03
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亿隆
        我们在日常使用壁挂式电锅炉中,不可或缺的一部分就是对设备的保养和放置。作为生产厂家,我们建议消费者要仔细阅读壁挂式电锅炉的使用说明,严格按照使用说明来操作,也可咨询生产厂家的客服,如何保养。
        我们在使用壁挂式电锅炉的过程中最常见的问题就是腐蚀问题,要解决壁挂式电锅炉的腐蚀最重要的就是除氧。热力除氧一般有大气式热力除氧和喷射式热力除氧。其原理是将电锅炉给水加热至沸点,使氧的溶解度减小,水中氧不断逸出,再将水面上产生的氧气连同水蒸汽一道排除,还能除掉水中各种气体(包括游离态co,n)。电锅炉除氧的方法不宜用大气式热力。
        壁挂式电锅炉除氧后的水不会增加含盐量,也不会增加其他气体溶解量,操作控制相对容易,而且运行稳定,可靠,是目前应用最多的一种除氧方法。壁挂式电锅炉除氧的方法不宜用大气式热力是为什么呢?电锅炉流过的水量很大,直供系统这些水还要流过热力管道和散热器,其防止水侧腐蚀问题不仅涉及电锅炉,还涉及到整个热水供热系统。总之,电锅炉的除氧问题有其特殊性,往往比蒸汽锅炉除氧存在的问题更多。
        壁挂式电锅炉无蒸汽源,故一般都不用大气式热力除氧。真空除氧可不用蒸汽加热,但要增设一套抽真空装置,并且系统要保持绝对严密;除氧器要设置在7~8米的楼层上,故也很少用。过去曾采用过氧化还原树脂除氧,其除氧效果好,水温可以较低。但初期投资较大,更为不利的是失效后要用含毒性的水合肼还原。加亚硫酸钠除氧,初投资较小,但加药物等运行费用较高;水质、水温、PH、的过剩量的变化,对除氧效果影响较大。
In our daily use of wall-mounted electric boilers, an indispensable part is the maintenance and placement of equipment. As a manufacturer, we advise consumers to read the instructions of the wall-mounted electric boiler carefully and operate in strict accordance with the instructions. We can also consult the customer service of the manufacturer about how to maintain it.
Corrosion is the most common problem in the process of using wall-mounted electric boilers. The most important thing to solve the corrosion of wall-mounted electric boilers is to remove oxygen. Thermal deoxygenation generally has atmospheric heat deoxygenation and jet heat deoxygenation. Its principle is to put the electric boiler feed water heated to boiling point, reduce the solubility of oxygen, the oxygen constantly escape, then the water of oxygen along with steam out, also can get rid of the water of various gases (including free co, n). The method of removing oxygen in electric boiler is not suitable for atmospheric heat.
After oxygen wall-mounted electric boiler water doesn't increase salt content, also won't increase the other gas dissolved quantity, control is relatively easy to operation, and operation is stable, reliable, is the most used one kind of oxygen removal methods. Wall - mounted electric boiler deoxygenation method is not suitable for atmospheric heat is why? Much water flows through the electric boiler, direct supply system the water through the heat pipe and heat sink, its prevent waterside corrosion problem not only involves the electric boiler, also involves the hot water heating system. In a word, the deoxygenation of electric boilers has its particularity, and there are more problems than that of steam boilers.
Electric boilers have no steam source, so they generally do not use atmospheric heat oxygen removal. Vacuum deoxygenation can not be heated by steam, but a set of vacuum pumping equipment should be added, and the system should be kept absolutely strict; Deoxidizer should be set on the floor of 7 ~ 8 meters, so it is rarely used. In the past, peroxide REDOX resin was used to remove oxygen. However, the initial investment is large, and the more unfavorable one is to use the toxic hydrazine hydrazine reduction after the failure. Sodium gallate deoxygenation, small initial investment, but high operating costs such as drugs; The changes of water quality, water temperature, PH and excess have great influence on the effect of oxygen removal.




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