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木質(zhì)成型燃料取暖爐燃燒數(shù)值模擬與優(yōu)化
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國家自然科學(xué)基金資助項(xiàng)目（51276023）、中央高?；究蒲袠I(yè)務(wù)費(fèi)專項(xiàng)資金資助項(xiàng)目（2010QZZD0106）,、中歐中小企業(yè)節(jié)能減排科研合作資助項(xiàng)目（SQ2011ZOD200002）和“可再生能源電力技術(shù)”湖南省重點(diǎn)實(shí)驗(yàn)室基金資助項(xiàng)目（2011KFJJ002）


Numerical Simulation and Optimization on Combustion of Wood Briquette Heating Stove
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    摘要:

    為了強(qiáng)化木質(zhì)成型燃料取暖爐燃燒效果,，減少污染排放,，提高采暖爐熱效率,，引入旋流燃燒技術(shù),，提出新型木質(zhì)成型燃料旋流爐排燃燒器,。數(shù)值模擬取暖爐在不同過量空氣系數(shù)和不同爐排二次風(fēng)入口角度條件下，爐內(nèi)速度場,、溫度場,、濃度場的變化。結(jié)果表明：通過旋流二次風(fēng)產(chǎn)生高溫回流區(qū),，有效強(qiáng)化了燃燒,，提高了爐膛有效利用面積；過量空氣系數(shù)為1.5,、二次風(fēng)入口傾角為30°時(shí),，燃盡率高，煙氣溫度分布均勻,，污染少,。

    Abstract:

    The technology of swirling combustion and a new kind of wood briquette fuel swirling burner were proposed to improve thermal efficiency and reduce pollution emissions of the wood briquette heating stove. Numerical simulation on combustion processing of different excess air coefficient and different inclination between the secondary air inlet and grate wall in the heating stove was considered, aiming to solve the velocity, temperature and concentration field. The results reveal that high temperature backflow zone coming out through rotational flow secondary wind effectively strengthened combustion and improved the furnace using area; combustion efficiency is the highest and pollution is the lowest, when excess air coefficient is 1.5 and inclination angle is 30°.

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蔣紹堅(jiān),王 濤,艾元方,孫彥文,彭好義.木質(zhì)成型燃料取暖爐燃燒數(shù)值模擬與優(yōu)化[J].農(nóng)業(yè)機(jī)械學(xué)報(bào),2014,45(3):191-195. Jiang Shaojian, Wang Tao, Ai Yuanfang, Sun Yanwen, Peng Haoyi. Numerical Simulation and Optimization on Combustion of Wood Briquette Heating Stove[J]. Transactions of the Chinese Society for Agricultural Machinery,2014,45(3):191-195.

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  • 收稿日期:2013-03-10
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  • 在線發(fā)布日期: 2014-03-10
  • 出版日期: 2014-02-10
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