Misyura Sergey Y, Manakov Andrey Yu, Nyashina Galina S, Gaidukova Olga S, Morozov Vladimir S, Skiba Sergey S
Institute of Thermophysics Siberian Branch, Russian Academy of Sciences, 1 Lavrentyev Ave., Novosibirsk 630090, Russia.
Nikolaev Institute of Inorganic Chemistry, Siberian Branch, Russian Academy of Sciences, 3 Lavrentyev Ave., Novosibirsk 630090, Russia.
Entropy (Basel). 2020 Jun 27;22(7):710. doi: 10.3390/e22070710.
Experiments on the dissociation of a mixed gas hydrate in various combustion methods are performed. The simultaneous influence of two determining parameters (the powder layer thickness and the external air velocity) on the efficiency of dissociation is studied. It has been shown that for the mixed hydrate, the dissociation rate under induction heating is 10-15 times higher than during the burning of a thick layer of powder, when the combustion is realized above the layer surface. The minimum temperature required for the initiation of combustion for different combustion methods was studied. As the height of the sample layer increases, the rate of dissociation decreases. The emissions of NO and CO for the composite hydrate are higher than for methane hydrate at the same temperature in a muffle furnace. A comparison of harmful emissions during the combustion of gas hydrates with various types of coal fuels is presented. NO concentration as a result of the combustion of gas hydrates is tens of times lower than when burning coal fuels. Increasing the temperature in the muffle furnace reduces the concentration of combustion products of gas hydrates.
进行了关于混合气体水合物在各种燃烧方法下分解的实验。研究了两个决定性参数（粉末层厚度和外部空气流速）对分解效率的同时影响。结果表明，对于混合水合物，感应加热下的分解速率比在粉末厚层燃烧时（燃烧在层表面上方进行）高10至15倍。研究了不同燃烧方法引发燃烧所需的最低温度。随着样品层高度增加，分解速率降低。在马弗炉中相同温度下，复合水合物的NO和CO排放量高于甲烷水合物。给出了各种类型的煤燃料燃烧时与气体水合物燃烧时有害排放物的比较。气体水合物燃烧产生的NO浓度比燃烧煤燃料时低几十倍。马弗炉中温度升高会降低气体水合物燃烧产物的浓度。
