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Proven technology

Proven technology

  • FEMS (Factory Energy Management System) / Renkei Control for Utility Facilities

    Type: 
    Product
    Objective:

    Minimizing energy consumption (or CO2 emission) by optimizing equipment selection and load distribution of energy conversion and storage facilties which comprise utility plants.

    Cost of primary energy in utility plants could reach as much as 10 million USD/yr. Typical application includes refineries, petrochemical, paper, cement, textiles, fertilizer, large FA plants, district heating and cooling systems.

  • SUPERHIDIC - Innovative Energy Saving Distillation System

    Type: 
    Product
    Objective:

    Conventional distillation columns operate by heating with the reboiler at the bottom, and cooling by condenser at the top. SUPERHIDIC technology operates two columns: stripping section (low pressure column) and rectifying section (high pressure column), which realizes interated heat transfer from HP column to LP column).

    Key features are as follows:

    Side-exchanges accomplished by stabbed-in heat exchangers

  • Area-wide pinch technology

    Type: 
    Product
    Objective:
    Technology:

    Achieving energy conservation of a group of industrial installations in petrochemical complex, through analysis of heat generation and consumption patterns and optimization of heat recovery and usage, including optimization of steam generation level, recovery and utilization of low pressure steam and hot water, heat transfer between plants..

  • Sinter Plant Heat Recovery (Steam Recovery from Sinter Cooler Waste Heat)

    Type: 
    Product
    Objective:

    This device recovers the sensible heat in the hot air with temperature of 250 C to 450 C from a sinter cooler. It comprises mainly; a)boiler/economizer, b)pure water feed device, c)deaerator, d)steam drum, etc.
    After heat exchange with sintered ore of 500 C to 700 C in the cooler, the exhaust gas is introduced to the boiler/economizer to generate steam and is recycled to the cooler.

  • Coke Dry Quenching (CDQ)

    Type: 
    Product
    Objective:

    The heat recovered by inert gas is used to produce steam, which may be used on-site or to generate electricity. Hot coke from the coke oven is cooled in specially designed refractory lined steel cooling chambers by counter-currently circulating an inert gas media in a closed circuit consisting of 1) cooling chamber, 2) dust collecting bunker, 3) waste heat boiler, 4) dust cyclones, 5) mill fan, 6) blowing device (to introduce the cold air from the bottom), 7) circulating ducts.

  • Sinter Plant Heat Recovery (Power Generation from Sinter Cooler Waste Heat)

    Type: 
    Product
    Objective:

    This is a waste gas sensible heat recovery system from sinter cooler to generate electric energy. The system is composed of dust collector, waste heat recovery boiler as steam, circulation fan and power generator by steam turbine.
    The values of cost and effect are obtained from a system configuration of two identical sintering machines, coolers each equipped with waste heat recovery boiler and one unit of electric power generator, to which the steam from two boilers is led.

  • Top Pressure Recovery Turbine (TRT)

    Type: 
    Product
    Objective:

    This system generates electric power by employing the heat and pressure of blast furnace top gas to drive a turbine generator. After the blast furnace gas is used in power generation, it is used as a fuel in iron and steel manufacturing processes. Blast fumace gas (BFG) has a pressure of 0.2-0.236 MPa (2-2.41 kg/cm2) and temperature of approx. 200 C at the fumace top.

  • Converter Gas Recovery Device

    Type: 
    Product
    Objective:

    Molten steel is produced by the converter process. This device recovers and uses the high temperature waste gas generated in large quantity during blowing in the converter (basic oxygen furnace: equipment used to produce crude steel from pig iron, steel scrap, etc.). Accompanying this process, about 100Nm3 of high temperature gas (CO) with a heating value of approximately 2,000 kcal/Nm3 is generated.