1. Boiling incineration: the air is evenly sent to the furnace through the air distributor at an appropriate flow rate to blow up the coal particles and burn them in a boiling (fluidized bed) state on the fire bed. Due to the strong relative movement between the coal particles and the air and the long residence time in the fluidized bed, the incineration is greatly strengthened. A heating surface (i.e. buried pipe) is often arranged in the fluidized bed, and the burned ash flows out from the overflow port. For low-quality fuels that cannot be burned on other incineration equipment (such as coal, stone coal, oil shale, etc.), stable fuels can be obtained in the fluidized bed.

2、火室焚燒：燃料以粉狀(煤)、霧狀(油)、氣態(tài)(氣)伴隨空氣噴入爐膛進(jìn)行懸浮焚燒，其設(shè)備成為室焚燒或懸燃爐。燃料的焚燒反響面積大，與空氣混合良好，能夠采用較小的過量空氣系數(shù)，焚燒功率比火床焚燒高。

2. Fire chamber incineration: the fuel is injected into the furnace in powder (coal), mist (oil) and gaseous (gas) with air for suspension incineration, and its equipment becomes chamber incineration or suspension combustion furnace. The combustion reaction area of fuel is large, well mixed with air, small excess air coefficient can be adopted, and the incineration power is higher than that of fire bed incineration.

采用膜式水冷壁的燃油、燃?xì)鉅t常為微正壓焚燒，適宜于低氧焚燒，可下降煙氣中SOx含量，減輕低溫腐蝕，減少大氣污染，不需引風(fēng)機(jī)，只需較高壓頭的送風(fēng)機(jī)，要求爐膛嚴(yán)格密封。燃?xì)忮仩t火室焚燒的使用范圍主要用于部分工業(yè)鍋爐，電站鍋爐普遍采用這種焚燒方法。液態(tài)排渣爐的焚燒器區(qū)域溫度可達(dá)1600攝氏度到1700攝氏度，

Fuel oil and gas furnaces with membrane water wall are usually micro positive pressure incineration, which is suitable for low oxygen incineration. It can reduce the Sox content in flue gas, reduce low-temperature corrosion and reduce air pollution. There is no need for induced draft fan, only the forced draft fan with high pressure head, and the furnace is required to be strictly sealed. The application scope of gas-fired boiler fire chamber incineration is mainly used for some industrial boilers, and this incineration method is widely used in power station boilers. The incinerator area temperature of the liquid slag discharge furnace can reach 1600 ℃ to 1700 ℃,

適于燃用灰熔點(diǎn)較低的煤及著火不易安穩(wěn)的低揮發(fā)分煤。

It is suitable for burning coal with low ash melting point and low volatile coal which is not easy to ignite stably.

3、火床焚燒：燃料被層鋪在爐排上、空氣經(jīng)爐排縫隙穿過燃料層進(jìn)入爐膛，大部分燃料在爐排上進(jìn)行層式焚燒，小部分細(xì)粒和從燃料層中分出的可燃?xì)怏w在燃料層上部的空間進(jìn)行焚燒，其設(shè)備成為火床爐，層燃爐或爐排爐。不需制粉設(shè)備，系統(tǒng)見到你，但遭到爐排結(jié)構(gòu)尺寸的控制。使用范圍：用于燃?xì)忮仩t容量小于或等于35的工業(yè)鍋爐和小型電站鍋爐。

3. Fire bed incineration: the fuel is laid on the grate, and the air enters the furnace through the fuel layer through the grate gap. Most of the fuel is burned layer by layer on the grate, and a small part of fine particles and combustible gas separated from the fuel layer are burned in the space above the fuel layer. Its equipment becomes fire bed furnace, layer combustion furnace or grate furnace. Without pulverizing equipment, the system sees you, but it is controlled by the grate structure size. Scope of application: for industrial boilers and small utility boilers with gas boiler capacity less than or equal to 35.

4、旋風(fēng)焚燒：它的特點(diǎn)是燃料氣流切向或軸向進(jìn)入旋風(fēng)筒內(nèi)，如：細(xì)煤、粗粉。高度的二次風(fēng)切向進(jìn)入旋風(fēng)筒內(nèi)形成強(qiáng)烈的旋轉(zhuǎn)氣流，攜帶燃料顆粒旋轉(zhuǎn)行進(jìn)，大部分大顆粒被甩向筒壁熔渣膜上焚燒，小部分細(xì)分在筒內(nèi)懸浮焚燒，液態(tài)渣從拍渣口流出，高溫?zé)煔膺M(jìn)入燃盡——冷卻爐膛進(jìn)一步燃盡和冷卻。燃料與空氣的相對速度大大進(jìn)步，強(qiáng)化了焚燒。

4. Cyclone incineration: it is characterized by the tangential or axial flow of fuel gas into the cyclone, such as fine coal and coarse powder. The high secondary air enters the cyclone tangentially to form a strong rotating air flow and carries the fuel particles to rotate. Most of the large particles are thrown onto the slag film on the cylinder wall for incineration, and a small part is subdivided into suspension incineration in the cylinder. The liquid slag flows out from the slag tapping port, and the high-temperature flue gas enters the burnout cooling furnace for further burnout and cooling. The relative speed of fuel and air has been greatly improved and incineration has been strengthened.