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Pre-mixed gas burner with high partial load ratio.
Pre-mixed gas burner with high partial load ratio.
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机译:预混合燃气燃烧器,具有较高的部分负荷率。
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摘要
High turn down ratio burner, comprising a burner housing (1) having a connection (2) for a combustible gas/air mixture and a substantially tubular mixture passage (3) leading to a constricted burner throat or mouth (4), via which passage the burner is connectable to a combustion chamber (7) which is part of a heat exchanger (6) or forms a flue passage leading to such heat exchanger, further comprising a flame arrester (8), which is a flashback preventer, in the form of a porous, gas/air mixture-permeable hollow body covering the entire flow-through area towards the burner throat (4) and arranged with its concave side towards the burner throat (4), at a short distance upstream thereof, a number of constricted auxiliary gas passages (9) being arranged around the burner throat. IMAGE
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