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    • 2. 发明申请
    • TEMPERATURE-CONTROLLED INCINERATOR DRYER GRATES
    • 温度控制焚烧炉干燥机
    • WO2004001289A3
    • 2005-02-17
    • PCT/US0318701
    • 2003-06-12
    • BASIC J N SEN
    • BASIC JOHN N SR
    • F23G5/00F23G5/04F23G5/44F23G5/46F23G5/50F23H1/02F23H3/02F23H3/04F23L5/02F23B7/00F23G7/00F23N5/00F26B3/00F26B17/00F26B21/06
    • F23L5/02F23C2202/30F23C2202/50F23G5/50F23G2205/10F23G2207/30F23G2900/00001F23G2900/55001F23H1/02F23H3/02
    • Incinerator dryer grates with temperature control provided by two-phase steam. Very wet bulk refuse entering an incinerator sits on a grate before falling onto a hearth floor below. This drives off volatile hydrocarbons and allows drying. The grate may also provide combustion air. The drying process causes the moisture content of the refuse to fall below 50 percent where combustion may occur. Two-phase steam passes through separate channels in the grate to control its temperature. The oxygen-containing gas emanating from the grate into the combustion chamber may contain gaseous products of combustion, or flue gas, with or without air to make use of the former's heat and moisture content. When the flue gas contains chlorine, its temperature should, through the addition of cool air, fall within the range of 400° to 750° F. To avoid chlorine corrosion, blowers propelling the flue gas must either remain out of the gas stream entirely or should only contact the flue gas after cooled to this temperature range. For particulate or shredded refuse, a second grate staggered below the first achieves sufficient dwell time for the material to dry and lose its volatile hydrocarbons. A loader enters the incinerator to push the refuse onto the grate and limit the refuse' thickness so that the grate's gas can penetrate it.
    • 焚烧炉干燥炉具有两相蒸汽提供的温度控制。 非常湿的散装垃圾进入焚化炉,坐在炉篦上,然后倒在炉底下面。 这驱使挥发性碳氢化合物,并允许干燥。 炉排还可以提供燃烧空气。 干燥过程会导致垃圾的水分含量低于50%,可能会发生燃烧。 两相蒸汽通过炉排中的独立通道以控制其温度。 从炉排发散到燃烧室中的含氧气体可能含有燃烧气体产物或烟道气,有或没有空气以利用前者的热和水分含量。 当烟气含有氯时,其温度应通过加入冷空气而落在400°至750°F的范围内。为避免氯气腐蚀,推进烟气的鼓风机必须全部保留在气流中,或 只能在冷却至该温度范围后接触烟道气。 对于颗粒状或切碎的垃圾,第一个在第一个下方交错排列的炉排达到足够的停留时间,以使材料干燥并失去挥发性碳氢化合物。 装载机进入焚化炉以将垃圾推到炉排上并限制垃圾的厚度,使得炉排气体能够渗透。