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    • Pulverized coal injectionBlast furnace gasSintering and pelletizingSteelmaking(wet dedusting)Steelmaking(dry dedusting)CokingElectrolytic AluminumNonferrous aluminumCementWaste refuse incinerationCoal-fired power plantsFCC RefiningCarbide acetyleneChlor-Alkali
    • Measuring points and solutions

      Steelmaking process is a big consumer of energy. Converter steelmaking will produce a lot of coal gas which contains 60%-70% CO. It is very important to recycle the coal gas in steelmaking process. A method for purifying and recycling coal gas is wet dedusting. The limitation of this method will left high dust content in the coal gas after processing. In order to make use of this gas, two dust remover needed to be set to remove dust on the back side. Through online monitoring by gas analyzer after treatment, the flue gas can be recycled when it meets recycling requirements to reduce energy consumption and recycle development.

      image.png

      NO. Measurement point Temperature Pressure Measurement components Detection purpose Recommend products*
      1

      Induced fan upstream/down stream

      Normal Slightnpositive pressure

      O2: 0-5%

      CO: 0-100%


      Recycle the coal gas when purified flue gas meets recycling condition LGT-100
      2 Second dust remover down stream Normal Slightpositive pressure

      O2: 0-5%

      CO: 0-100%


      Control Steelmaking, adjust production device, realize production optimization LGT-100
      3 Gas tank upstream Normal Slightpositive pressure

      O2: 0-5%

      CO: 0-100%


      Prevent coal gas tank from accident or explosion LGT-100
      4 Gas tank downstram Normal Slightpositive pressure

      O2: 0-5%

      CO: 0-100%


      Prevent coal gas tank from accident or explosion LGT-100


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