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    锅和炉的由来
    发布者:admin  日期:2016-05-12  点击:1504

      18世纪上半叶,英国煤矿使用的蒸汽机,包括瓦特的初期蒸汽机在内,所用的蒸汽压力等于大气压力。18世纪后半叶改用高于大气压力的蒸汽。19世纪,常用的蒸汽压力提高到0.8兆帕左右。与此相适应,最早的蒸汽锅炉是一个盛水的大直径圆筒形立式锅壳,后来改用卧式锅壳,在锅壳下方砖砌炉体中烧火。

    The first half of eighteenth Century,the use of steam engines in the United Kingdom, including Watt's initial steamengine, including the steam pressure is equal to atmospheric pressure. In thelatter half of the eighteenth Century, the steam was replaced by a higher thanatmospheric pressure. Nineteenth Century, commonly used to increase the steampressure to about 0.8 mpa. And adapt the earliest steam boiler is a watercontaining large diameter cylindrical vertical boiler shell, then use ahorizontal boiler shell, a fire in the boiler shell bottom brick furnace body.

      随着锅炉越做越大,为了增加受热面积,在锅壳中加装火筒,在火筒前端烧火,烟气从火筒后面出来,通过砖砌的烟道排向烟囱并对锅壳的外部加热,称为火筒锅炉??贾蛔耙恢换鹜?,称为单火筒锅炉或康尼许锅炉,后来加到两个火筒,称为双火筒锅炉或兰开夏锅炉。

    With bigger and bigger boiler, in orderto increase the heating area, in the boiler shell equipped with fireextinguishers, a fire in front of the fire extinguishers, the smoke came outfrom behind the fire extinguishers, through a brick flue row to the chimney andthe pot shell external heating, called the fire tube boiler. Started only afire extinguishers, known as single firebox boiler or Connie permits theboiler. Later added two fire extinguishers, said double firebox boiler or Lancashire boiler.

      1830年左右,在掌握了优质钢管的生产和胀管技术之后出现了火管锅炉。一些火管装在锅壳中,构成锅炉的主要受热面,火(烟气)在管内流过。在锅壳的存水线以下装上尽量多的火管,称为卧式外燃回火管锅炉。它的金属耗量较低,但需要很大的砌体。

    In 1830, after the production of highquality steel pipe and tube expanding technology, the fire tube boiler. Somefire tubes are arranged in the shell of the boiler, the main heating surface ofthe boiler is formed, and the fire (smoke) flows through the pipe. In thefollowing storage shell installed on the waterline as much as possible firetube, called horizontal tempering pipe external combustion boiler. Its metalconsumption is low, but it needs a lot of masonry.

      19世纪中叶,出现了水管锅炉。锅炉受热面是锅壳外的水管,取代了锅壳本身和锅壳内的火筒、火管。锅炉的受热面积和蒸汽压力的增加不再受到锅壳直径的限制,有利于提高锅炉蒸发量和蒸汽压力。这种锅炉中的圆筒形锅壳遂改名为锅筒,或称为汽包。初期的水管锅炉只用直水管,直水管锅炉的压力和容量都受到限制。

    In the middle of the nineteenthCentury, there was a water tube boiler. The heating surface of the boiler shellis outside the pipe, replaced the shell itself and the shell in fireextinguishers and fire tube. The increase of the heating area and the steampressure of the boiler is no longer limited by the shell diameter, which isbeneficial to increase the evaporation and steam pressure of the boiler. Thecylindrical shell of the boiler is changed to a drum, or a drum. In the early stage,the pressure and the capacity of the boiler are restricted by the straightpipe.

    二十世纪初期,汽轮机开始发展,它要求配以容量和蒸汽参数较高的蒸汽锅炉。直水管锅炉已不能满足要求。随着制造工艺和水处理技术的发展,出现了弯水管式锅炉??际遣捎枚喙彩?。随着水冷壁、过热器和省煤器的应用,以及锅筒内部汽、水分离元件的改进,锅筒数目逐渐减少,既节约了金属,又有利于提高锅炉的压力、温度、容量和效率。

    In the early twentieth Century, thesteam turbine began to develop, and it required a boiler with a high capacityand a high steam parameter. Straight pipe boiler(www.neimengguren.com) has been unable to meet therequirements. With the development of manufacturing technology and watertreatment technology, a curved pipe type boiler has been developed. Starting isthe use of multi barrel type. With the application of water wall, superheaterand economizer, and drum internal steam, water separation element is improved,drum number decreased gradually, which not only saves the metal, and to improvethe boiler pressure, temperature, capacity and efficiency.

    文章来源:http://www.neimengguren.com/news.asp?lt=529
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