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Stainless Steel Elevated Flare System With Proessional & Experiened Site Servie

Categories Elevated Flare System
Brand Name: QIYAO
Certification: ISO, ASME, API
Place of Origin: China
MOQ: 1 set
Price: Customized Product, Quoted Case By Case
Payment Terms: T/T, L/C
Supply Ability: over 20 sets per year
Delivery Time: 36 - 48 weeks
Packaging Details: Seaworthy Packing
Material: Stainless Steel, Carbon Steel
Funtions: Safety measurs under emergency conditions and friendly to environment
Applications: Oil & Gas, Refinery, Petrochemical industries
Available service: Design, supply, site supervision on erection, commissioning, training.
Category: Elevated / Ground flare
Tip: Air assistant, Air force draft, sonic, etc.
Projects completed: over 400 sets
Packing: Seaworthy packing
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    Stainless Steel Elevated Flare System With Proessional & Experiened Site Servie

    Stainless Steel Elevated Flare System With Proessional & Experiened Site Servie

    Flare System is to handle the discharged combustible gas under the conditions of normal operation, start-up, shut-down and emergencies, which ensure the gas to be flared out instantaneously, safely and reliably and to meet the demand of environmental protection.

    Flare System is a kind of safety equipment comprised of pipeline, knock out device, fire retardant equipment, flare burner, ignition system, flare riser and other components.

    Flare Categories:

    * Based on the vent gas media’s physical parameters (mainly for toxicity of the vent gas media), discharge pressure, flow rate and so on, the flare shall be divided into two categories – elevated flare and ground flare.

    * The elevated flare, based on the support way, shall be divided into self-supported flare, inhaul supported flare and derrick supported flare. The derrick supported flare, based on types of the riser to be fixed, shall be divided into fixed derrick supported flare, demountable derrick supported flare.

    * The ground flare, based on vent gas treatment capacity, shall be divided into enclosed ground flare and open ground flare.

    * Based on structure of flare burner, the flare shall be divided into steam-assist flare, forced draft assist flare, defused flare, LHV flare, multi-hole collision flare, sonic flare, etc.

    Options of flare types

    Elevated flareGround flare

    ▽ Media attribute: unlimited

    ▽ Industry: unlimited

    ▽ Capacity: unlimited

    ▽ Media attribute: The media which is no extremely harmful.

    ▽ Industry: mainly focus on chemical field

    ▽Capacity: up to 150t/h for enclosed ground flare and unlimited for open flare

    Options of support way for elevated flare system:

    Self-supportedInhaulDerrick supported
    Fixed flareDemountable flare

    ▽Industry: Natural gas processing plant

    ▽Capacity: small

    ▽Height: not higher than 20m

    ▽Capacity: small

    ▽Height: up to 40m.

    ▽Industry: refinery, coal-chemical, LNG, off-shore, etc.

    ▽Capacity: large

    ▽Height: 40-160m

    ▽Application: The devices matching up the flare system need “same-time start-up & shut-down”

    ▽Industry: refinery, coal-chemical, LNG, off-shore, etc.

    ▽Capacity: large

    ▽Height: 40-160m

    ▽Application: The devices matching up multi sets of flare system can’t be “same-time start-up & shut-down”, need to reserve extra flare system for expansion and save land investment.

    Options of ground flare system

    Enclosed ground flare systemOpen ground flare system

    ▽ Media attribute: toxic flare gas, but not extremely or highly harmful

    ▽ Industry: focus on chemical industry

    ▽Capacity: not exceed 150t/h for single stack

    ▽Discharge pressure: up to 10kpag within BL (subject to the media)

    ▽Capacity: unlimited

    ▽Discharge pressure: up to 80kpag within BL (subject to the media)

    Options of flare burner

    Steam assist typeForced draft typeDiffused typeLHV typeMulti-hole collision typeSonic type




    Heavy Hydrocarbon

    Discharge pressure: lower, need assist for smokeless combustion

    ▽Utility: Steam available



    Media: Heavy Hydrocarbon

    Discharge pressure: lower, need assist for smokeless combustion

    Utility: Non-steam

    Location: applicable for cold area.

    Industry :

    Coal chemical

    Media: LHV or hard-combustible media like sour gas or ammonia


    Natural gas

    Media: Light hydrocarbon composition


    Off-shore platform

    Discharge pressure: Higher



    Working principle / flow process

    Elevated Flare System: The combustible gas is discharged from production equipment, flows into the battery limit of flare through vent pipe network, flows into the knock-out drum for separation of liquid drops probably contained in vent gas, flows into the water seal drum and breaks through the water seal, and then flows into the flare riser, goes through the molecular seal and finally is flared out by the burner.


    1. Use international engineering software like FLARESIM, FLARENET, FLUENT, etc.;

    2. Own combustion test platform to simulate combustion conditions based on various types of flare gas;

    3. Own numbers of patent technologies and know-how;

    4. Have professional engineering design qualification;

    5. Have high-qualified engineering design team & research and development team;

    6. Have plentiful and comprehensive experiences of engineering construction;

    7. Have professional & high efficient after-sale service system.

    Typical Project

    22,000,000T/y Refinery Project at CNOOC Huizhou Refinery

    Phase #1 - 10,000,000T/y Refinery Project: The flare system consists of HP flare (DN1600), LP flare (DN1600) and Sour gas flare (DN500), and a reservation for DN1600 flare riser. The height of flare system: 150m.

    Phase #2 – 12,000,000T/y Refinery Project: Based on the reserved space of phase #1 for DN1600 flare riser and the optimized design of system, SMDERI took full advantage of “on-line assembly & system expansion” of the demountable common derrick flare to realize the reconstruction & expansion of phase #1 flare system and reach the target of multi-risers being set on a common derrick. For the best utilization of land, SMDERI provided his technical support so that the land investment was saved.

    The flare gas recovery system was equipped with a 20,000M3 Gas Holder, 2 units of 600,000M3 screw compressors and 2 units of 300,000M3 screw compressors.

    Typical Clients

    ClientProjectReference Data
    Zhejiang Petrochemical Co., Ltd.Ground Flare System for 40,000,000T/y Refining & Chemical Integration Project Phase #14 sets of Open Ground Flare System
    Zhongan Allied Coal Chemical Co., Ltd.Coal-to-methanol and Olefin Conversion Project

    Demountable flare:



    CNOOC Huizhou Refinery22,000,000T/y Refining Project

    Demountable flare:

    2*DN1300+DN400, H140m

    PKOP Chimkent Refinery, KazakhstanRefining Upgrade Project

    Demountable elevated flare:

    2*DN1300+DN400, H140m

    Sinopec-Mitsui, Shanghai400,000T/y Phenol Acetone Unit2 sets of Enclosed Ground Flare System
    China Shenhua Coal-Oil Chemical Co., Ltd., Xinjiang Coal Chemical Corp.680,000T/y New Coal-based Material Project

    Fixed Elevated Flare:

    2*DN1800+DN800+2*DN500, H150m

    Sinochem Quanzhou Petrochemical Co., Ltd.12,000,000T/y Refining Project

    Fixed Elevated Flare:

    DN1200+DN1600+DN700, H140m

    Patent Technology:

    l Demountable & common derrick elevated flare and its assembly & disassembly system (Utility Model Patent No.ZL200620048466.X)

    l The Assembly & disassembly system of demountable & common derrick elevated flare and its method of assembly & disassembly (Invention Patent No.ZL200610119032.9)

    l Staged discharge combustion system for combustible waste gas (Utility Patent No.ZL200620048087.0)

    l Staged discharge combustion system for combustible waste gas and its method of usage method (Invention Patent No.ZL200610118674.7)

    l Steam-assist flare burner (Invention Patent No.ZL200610118675.1)

    l Water seal structure for flare system (Invention Patent No.ZL200810041594.5)

    l Open ground flare (Utility Model Patent No.ZL201020529360.8)

    l Multi-side demountable & common derrick elevated flare (Utility Model Patent No.ZL201120233838.7)

    l New large stream of enclosed ground flare (Utility Model Patent No.ZL201120227204.0)

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