低氮燃燒器作為工業上常用的一種燃燒器，而根據低氮燃燒器的不同的使用原理將其分為六個種類，以方便客戶的使用。
The low nitrogen burner is used as a common type of burner in industry, and it is divided into six kinds according to the different use principle of low nitrogen burner to facilitate the use of customers.
1．階段低氮燃燒器 根據分級燃燒原理設計的階段燃燒器，使燃料與空氣分段混合燃燒，由于燃燒偏離理論當量比，故可降低NOx的生成。
In the 1. stage low nitrogen burner, a stage burner designed according to the principle of graded combustion is designed to mix fuel and air in a piecewise mixture. Because of the deviation of the theoretical equivalent ratio of combustion, the generation of NOx can be reduced.
2．自身再循環低氮燃燒器 一種是利用助燃空氣的壓頭，把部分燃燒煙氣吸回，進入燃燒器，與空氣混合燃燒。由于煙氣再循環，燃燒煙氣的熱容量大，燃燒溫度降低，NOx減少。另一種自身再循環燃燒器是把部分煙氣直接在燃燒器內進入再循環，并加入燃燒過程，此種燃燒器有抑制氧化氮和節能雙重效果。
2. Self-recirculating low-nitrogen burner is a kind of burner which uses the pressure head of combustion-supporting air to suck part of the burning flue gas back into the burner and mix it with air. Because of the flue gas recirculation, the heat capacity of the combustion flue gas is large, the combustion temperature is reduced, and the NOx decreases. Another kind of self recirculating burner is to recirculate part of the flue gas directly in the burner and add the combustion process. This kind of burner has the double effect of reducing nitrogen oxide and energy saving.
3．濃淡型低氮燃燒器 其原理是使一部分燃料作過濃燃燒，另一部分燃料作過淡燃燒，但整體上空氣量保持不變。由于兩部分都在偏離化學當量比下燃燒，因而NOx都很低，這種燃燒又稱為偏離燃燒或非化學當量燃燒。
3. The principle of the dense-lean low-nitrogen burner is to make some of the fuels burn excessively dense and some of the fuels burn excessively light, but the overall air volume remains unchanged. Because both parts are burned at a deviation from the chemical equivalence ratio, NOx is very low. This combustion is also called deviation combustion or non-chemical equivalence combustion.
4．分割火焰型低氮燃燒器 其原理是把一個火焰分成數個小火焰，由于小火焰散熱面積大，火焰溫度較低，使“熱反應NO”有所下降。此外，火焰小縮短了氧、氮等氣體在火焰中的停留時間，對“熱反應NO”和“燃料NO”都有明顯的抑制作用。
The principle of the 4. division flame type low nitrogen burner is to divide a flame into several small flames. Because of the large heat dissipation area and low flame temperature, the "thermal reaction NO" is reduced. In addition, small flame shortens the residence time of oxygen, nitrogen and other gases in the flame, and inhibits the "thermal reaction NO" and "fuel NO" obviously.
5．混合促進型低氮燃燒器 煙氣在高溫區停留時間是影響NOx生成量的主要因素之一，改善燃燒與空氣的混合，能夠使火焰面的厚度減薄，在燃燒負荷不變的情況下，煙氣在火焰面即高溫區內停留時間縮短，因而使NOx的生成量降低?；旌洗龠M型燃燒器就是按照這種原理設計的。
The residence time of the 5. mixed promoted low nitrogen burner flue gas in the high temperature zone is one of the main factors affecting the production of NOx. The improvement of the mixing of combustion and air can reduce the thickness of the flame surface. When the burning load is constant, the flue gas is shortened in the flame surface, which is in the high temperature area, thus reducing the production of the NOx. . The mixing and boosting burner is designed according to this principle.
6．低NOx預燃室低氮燃燒器 預燃室是近10年來我國開發研究的一種高效率、低NOx分級燃燒技術，預燃室一般由一次風（或二次風）和燃料噴射系統等組成，燃料和一次風快速混合，在預燃室內一次燃燒區形成富燃料混合物，由于缺氧，只是部分燃料進行燃燒，燃料在貧氧和火焰溫度較低的一次火焰區內析出揮發分，因此減少了NOx的生成。
6. low NOx pre combustion chamber low nitrogen burner pre combustion chamber is a high efficiency and low NOx classification combustion technology developed and studied in China in the past 10 years. The pre combustion chamber is usually composed of primary air (or two air) and fuel injection system. The fuel and primary air mixture is quickly mixed, and the fuel mixture is formed in the first combustion chamber in the pre combustion chamber. In the case of anoxia, only part of the fuel is burned, and volatiles are released from the fuel in the primary flame zone where the oxygen is poor and the flame temperature is low, thus reducing the formation of NOx.
不同的低氮燃燒器可在工業上的不同領域發揮重要作用，請在購買時根據不用的使用方式來進行低氮燃燒器的購買。
Different low nitrogen burners can play an important role in different fields of industry. Please purchase the low nitrogen burner according to the use of the low nitrogen burner at the time of purchase.
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