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Flare & flare gas recovery system

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Coal chemical industry syngas flare


The coal chemical industry syngas flare is used to handle the flare gas generated during start-up, shut-down and emergency case of coal gasification plant and thus is widely applied in coal chemicals, fertilizer, methanol, synthetic ammonia industries. The coal chemical industry syngas flare adopts non-assist diffusion combustion and burn the flammable gas from production unit in a safe and reliable way via controlling the velocity field distribution of gas flow at the flare tip outlet and taking advantage of specially designed flare tip.



 


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  • 1.Typical Project:  680,000T/y Coal-based new material project at Shenhua Xinjiang

     The plant flare for 1MT/y coal indirect liquefaction demonstration project built by ShaanXi Weilai Energy Petrochemical Co. Ltd consists of startup flare, emergency flare, hydrocarbon flare, acid flare and SLP flare. Those 5 sets of flare

    In 680000t/y coal-based new material project, Shenhua Xinjiang delivered the flare gas from 5 sets of flare gas pipe network to 3 sets of flare systems, namely the hydrogen rich flare, heavy hydrocarbon flare and sour gas flare on one common derrick support. The flare system is 150m high.


    Name 

    Specification

    Design Capacity

    Remark

    Hydrogen-enriched flare

    DN1800

    1592.4t/h

    Diffusion with an1nular burner

    LP Heavy hydrocarbon flare

    DN1800

    1323.6t/h

    Steam-assist flare

    Sour gas flare

    DN400

    22t/h

    Acid with annular burner

      

    2.Typical project: 1MT/year coal indirect liquefaction demonstration project of Shaanxi Weilai

     The plant flare for 1MT/y coal indirect liquefaction demonstration project built by ShaanXi Weilai Energy Petrochemical Co. Ltd consists of startup flare, emergency flare, hydrocarbon flare, acid flare and SLP flare. Those 5 sets of flare supported on one derrick support can handle combustible gas generated in startup/stop, normal and emergency cases. The flare system is 148m high in total.


    Name

    Specification

    Design Capacity

    Remarks

    Emergency flare

    DN1800

    1237747.5Nm3/h

    Diffusion with annular burner

    Hydrocarbon flare

    DN1200

    628t/h

    Steam-assist flare

    Acid gas flare

    DN350

    95227Nm3/h

    Acid with annular burner

    SLP flare

    DN1500

    95227Nm3/h

    Steam-assist flare

    Startup flare

    DN1400

    651304Nm3/h

    Diffusion with annular burner


    3.Typical caseMetal magnesium integration project of Qinghai Salt Lake Chemical Industry Group

    Qinghai Salt Lake Chemical Industry Group built four sets of flare systems, namely startup flare (DN1600), sour gas flare (DN200), HP flare (DN1200) and LP flare (DN800) for the metal magnesium integration project. These flares were arranged on one common derrick.

    Name

    Specification

    Design Capacity

    Remarks

    Startup flare

    DN1600

    884906Nm3/h

    Diffusion with annular burner

    Acid gas flare

    DN200

    2236 Nm3/h

    Acid with annular burner

    HP flare

    DN1200

    510 t/h

    Steam-assist flare

    LP flare

    DN800

    70.14 t/h

    Steam-assist flare



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