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        1. Classification of fuels for hot water boilers

          Fuels used in hot water boilers can be mainly divided into four categories:
          (1) Solid fuels - bituminous coal, anthracite, lignite, peat, oil shale, wood chips, bagasse, rice bran, etc.
          (2) Liquid fuel - heavy oil, residual oil, diesel oil, etc.
          (3) Gas fuel - natural gas, city gas, liquefied petroleum gas, etc.
          (4) New fuels—electric energy, light energy, etc.
          2022/01/20 09:24:37 151

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