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如何對電站鍋爐進(jìn)行安裝

2018-03-07 05:48:24 PM

  電站鍋爐是我國火力發(fā)電的主要方式之一,是給人們提供電源的方法之一,是非常重要的,電站鍋爐,通俗來(lái)講就是電廠(chǎng)用來(lái)發(fā)電的鍋爐,那么,如何對電站鍋爐進(jìn)行安裝呢?今天我們就和大家一起來(lái)解答一下:

  大型電站鍋爐安裝:主要有前墻布置、前后墻對沖布置和四角布置。按前兩種方式布置時(shí),一般采用旋流式燃燒器,其優(yōu)點(diǎn)是煤粉管道布置較簡(jiǎn)單,但不宜用于低揮發(fā)分和高灰分的燃料。

  四角布置就是把直流式燃燒器布置在爐膛四角,其噴口中心線(xiàn)與爐膛中心的一個(gè)假想圓相切。四角布置的缺點(diǎn)是風(fēng)道布置較復雜,但燃燒比較穩定,它適用于多種燃料。

  電站鍋爐的本體結構類(lèi)型主要取決于燃料特性、鍋爐容量和蒸汽參數等因素。常見(jiàn)的有倒U型、塔型和箱型。

  倒U型適用于各種容量的鍋爐和燃料,故應用廣泛。鍋爐的高度比其他爐型低,受熱面布置較方便,風(fēng)機和除塵設備都可放在地面上,但占地面積較大。

  塔型適用于燃用多灰煙煤和褐煤的鍋爐,無(wú)轉彎煙道,可減輕飛灰對受熱面的局部磨損,且占地面積較小。但爐體高,安裝和檢修較復雜。

  箱型適用于容量較大的燃油和燃氣鍋爐,其優(yōu)點(diǎn)是結構緊湊,占地面積較小,鍋爐與汽輪機的連接較方便。缺點(diǎn)是制造工藝較復雜,檢修困難。

  以上就是對如何對電站鍋爐進(jìn)行安裝的簡(jiǎn)單介紹,希望這些知識能夠幫助大家。

  Power station boiler is one of the main ways of thermal power generation in China. It is one of the methods to provide power to people. It is very important. The power station boiler is, in general terms, the boiler that the power plant uses to generate electricity. So, how to install the power station boiler? ? Today we will work together with everyone to answer:

  Installation of large-scale power station boilers: There are mainly front wall arrangements, front and rear wall hedging arrangements, and four-corner arrangements. When arranged in the first two ways, swirling burners are generally used. The advantage is that the pulverized coal pipeline arrangement is relatively simple, but it is not suitable for low volatile matter and high ash fuel.

  The four-corner arrangement is to arrange the DC burners at the four corners of the hearth, with the centerline of the spout tangent to an imaginary circle in the center of the hearth. The disadvantage of the four-corner arrangement is that the air duct layout is more complicated, but the combustion is relatively stable and it is suitable for a variety of fuels.

  The type of the main body structure of a power station boiler depends mainly on factors such as fuel characteristics, boiler capacity, and steam parameters. Common inverted U-shaped, tower and box.

  Inverted U-type for a variety of capacity of the boiler and fuel, it is widely used. The height of the boiler is lower than that of other furnaces, and the heating surface is arranged more conveniently. Fans and dust removal equipment can be placed on the ground, but the floor space is large.

  The tower type is suitable for boilers burning more bituminous bituminous coal and lignite, and there is no turning flue, which can reduce the local abrasion of the fly ash on the heated surface and has a small footprint. But the furnace is high, installation and maintenance more complicated.

  The box type is suitable for large-capacity fuel and gas boilers. Its advantages are compact structure, small floor space, and convenient connection between the boiler and the steam turbine. The disadvantage is the manufacturing process is more complex, maintenance difficulties.

  The above is a brief introduction on how to install the power station boiler, I hope this knowledge can help everyone.


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