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    • 3. 发明授权
    • Process for producing a lean gas by the gasification of a fuel mainly in
lump form
    • 通过主要以块状形式气化燃料来生产贫气的方法
    • US4089659A
    • 1978-05-16
    • US771724
    • 1977-02-24
    • Gerhard BaronPaul RudolphRudolf KohlenCarl Hafke
    • Gerhard BaronPaul RudolphRudolf KohlenCarl Hafke
    • C10J3/16C10J3/84C10J1/06
    • C10J3/16C10J3/30C10J3/42C10J3/76C10J3/78C10J3/84C10J2300/093C10J2300/0956C10J2300/0959C10J2300/0976C10J2300/1807C10J2300/1884C10J2300/1892
    • A process for producing lean gases in which solid fuels are gasified under superatmospheric pressure by a treatment with free oxygen-containing gases, water vapor, and other gasifying agents. In the process, fuel and gasifying agent are caused to flow in opposite directions, about 1.5 to 3.5 kg of water vapor are added per standard m.sup.3 of free oxygen in the gasifying agent, about 70% of the lump coal to be gasified has a particle size from above 2 mm to about 30 mm and the remaining coal has a particle size below about 2 mm. The ballast content, consisting of water and ash, amounts to at least about 15% by weight, most of the mineral constituents have a particle size of about 2 to 30 mm and the ash which becomes available in the gasification process is withdrawn from the reactor shaft at temperatures above about 250.degree. C. Raw gas is withdrawn at temperatures above about 350.degree. C, coal is reacted in a water-cooled, double-walled reactor chamber and the resulting jacket steam is used to cool the grate and as a reactant. The rate at which steam consisting of extraneous steam and jacket steam is added to the gasifying agent is so adjusted in the above-mentioned range of about 1.5 to 3.5 kg per standard m.sup.3 of oxygen, that the nitrogen content of the dry raw product gas does not exceed about 50% by volume.
    • 一种生产贫气的方法,其中固体燃料通过用游离的含氧气体,水蒸气和其它气化剂的处理在超大气压下气化。 在此过程中,使燃料和气化剂沿相反的方向流动,气化剂中每标准立方米游离氧含有约1.5至3.5公斤水蒸汽,约70%待气化的块煤具有颗粒 尺寸从2mm到大约30mm,剩余的煤的粒度小于约2mm。 由水和灰组成的压载物含量至少为约15重量%,矿物成分的大部分具有约2至30毫米的粒度,并且在气化过程中变得可用的灰分从反应器中排出 在高于约250℃的温度下将原料气在高于约350℃的温度下排出,煤在水冷却的双壁反应器室中反应,所得夹套蒸汽用于冷却炉排和作为反应物 。 将由外来蒸汽和夹套蒸汽组成的蒸汽加入到气化剂中的速率在上述约1.5至3.5kg /标准立方米氧气的范围内进行调节,干燥原料气体的氮含量 不超过约50%。
    • 5. 发明授权
    • Microbiological processes to produce fuel gas
    • 生产燃气的微生物过程
    • US4198211A
    • 1980-04-15
    • US866507
    • 1978-01-03
    • Geoffrey F. Shattock
    • Geoffrey F. Shattock
    • C02F3/28C02F3/30C02F11/04C02F11/12C05F3/00C05F3/06C12M1/00C12N1/00C10J1/06C02C1/14
    • C05F3/00C02F11/12C02F3/28C02F3/30C12M21/04C12M23/58C12M41/18C12M45/04F24J3/00F28D7/06Y02E50/343Y02P20/145Y02W10/12Y02W30/47
    • A process of treating an animal manure slurry susceptible to aerobic composting and anaerobic microbiological degradation with the production of a fuel gas, comprises: separating the slurry into a first, solids concentrated, fraction of relatively coarse particle size, and a second, solids dilute, fraction of relatively fine particle size; carrying out on the first fraction an aerobic composting reaction which is exothermic; carrying out on the second fraction an anaerobic microbiological reaction in which a fuel gas comprising methane is produced; and utilizing heat from the exothermic reaction to promote the fuel gas producing reaction. The plant for carrying out the process advantageously comprises a reactor for the exothermic reaction comprising a frusto-conical outer shell portion within which is located a heat exchanger of conical cage configuration; liquor from the anaerobic reaction circulates through the heat exchanger for heat exchange with solid composting material passing downwardly through the frusto-conical shell portion in direct contact with the heat exchanger.
    • 一种处理易于进行有氧堆肥和生产燃料气体的厌氧微生物降解的动物粪便浆料的方法,包括:将浆料分离成第一固体浓缩的相对粗粒度的部分,以及第二固体稀释的, 分数比较细的粒径; 在第一部分进行放热的有氧堆肥反应; 在第二部分上进行厌氧微生物反应,其中产生包含甲烷的燃料气体; 并且利用来自放热反应的热来促进产生燃料气的反应。 用于进行该方法的设备有利地包括用于放热反应的反应器,该反应器包括截头圆锥形的外壳部分,其中定位有锥形笼构型的热交换器; 来自厌氧反应的液体循环通过热交换器,与通过与热交换器直接接触的截头圆锥形壳部分向下通过的固体堆肥材料进行热交换。