High Efficiency Ground Flare System

Safety and Explosion-Proof Design for Complex Industrial Working Conditions

Overview

The Ground Flare System is a key component in industrial safety and emission management, designed for the safe combustion of hydrocarbon and volatile gases under controlled conditions.
It adopts advanced combustion control algorithms, real-time flame monitoring, and intelligent ignition technology, ensuring high efficiency, reliability, and environmental compliance even in complex operating environments.

The system’s fully enclosed or semi-enclosed structure minimizes noise, radiant heat, and smoke emissions. Combined with automatic flame detection and fuel–air ratio control, the Ground Flare System guarantees stable and smokeless combustion performance.
It is widely applied in petrochemical, natural gas, refining, and waste gas treatment industries, providing safe and energy-efficient solutions for continuous and emergency gas discharge.

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It is used to safely combust process vent gases, emergency discharge gases, and low-pressure hydrocarbon streams generated during production, storage, and transportation.

To meet national emission standards and ensure zero visible smoke under high load operation, Ruiding provided an optimized enclosed ground flare solution. The system adopts a multi-nozzle burner array with precise air-assist control, ensuring complete combustion and minimizing NOx generation.

The treatment system handles up to 2500 Nm³/h of hydrocarbon gas and 1200 Nm³/h of mixed VOCs, covering an installation area of 18 × 10 meters. The integrated unit includes a knock-out drum, pilot ignition skid, air-assist system, flare combustion chamber, and PLC control cabinet.
The flue gas fully meets GB13223-2011 emission standards, achieving safe, stable, and environmentally friendly operation.

Theory

The Ground Flare System operates on the principle of controlled thermal oxidation.
The process includes the following stages:

1. Gas Pretreatment:
   Waste gas passes through a knock-out drum to remove entrained liquids and solids before entering the flare system.

2. Distribution and Mixing:
   The clean gas is evenly distributed to multiple burners, mixed with air or steam to promote turbulence and ensure complete combustion.

3. Ignition and Flame Control:
   Each burner is equipped with an automatic pilot ignition system and flame monitoring sensor, enabling precise flame detection and automatic re-ignition in case of flameout.

4. Combustion Chamber:
   The enclosed combustion chamber effectively contains radiation and heat, maintaining smokeless, odorless, and low-noise operation.

5. Emission:
   Combusted flue gas is vented through the exhaust stack, fully complying with emission standards and ensuring safe dispersion into the atmosphere.

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Advantages

1. High Combustion Efficiency & Low Emission:
   The system achieves ≥98% combustion efficiency, effectively destroying hydrocarbons and VOCs while maintaining low NOx and CO emissions.

2. Safe and Explosion-Proof Design:
   The control system and electrical components comply with ATEX and Ex dⅡBT4 explosion-proof standards, ensuring safe operation under hazardous conditions.

3. Quiet & Smokeless Operation:
   The enclosed combustion structure and optimized air-assist design achieve near-silent operation (<85 dB(A)) and completely smokeless burning.

4. Intelligent Control:
   Integrated PLC automatic control system enables remote monitoring, data recording, and real-time safety feedback.
   The ignition, pilot, and main flame are automatically coordinated for continuous operation.

5. Durable and Corrosion-Resistant Materials:
   The flare body and burner nozzles are fabricated from stainless steel or Inconel alloys, providing excellent resistance to heat, oxidation, and corrosion.

6. Easy Maintenance and Modular Design:
   Each burner can be accessed individually for maintenance without shutting down the entire system.
   Modular construction shortens installation time and simplifies replacement.

R&D and Production:

Ruiding has established the jiangsu province clean incineration resource engineering technology center and the key laboratory of the JICUI-Ruidings joint innovation center.

This laboratory is equipped with advanced detection equipment such as ICP inductively coupled plasma emission spectrometry, atomic absorption spectrophotometry, atomic fluorescence spectrophotometry, high-temperature combustion ion chromatography analyzer, high-temperature combustion rate analyzer, and rapid equilibrium flash point tester. it possesses capabilities for heavy metal analysis, elemental analysis, off-gas calorific value analysis, ash melting point detection, incineration boiler water quality testing, sewage analysis, and volatile waste analysis, etc.

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Company Introduction:

Ruiding is expertized in the engineering, fabrication, construction, commissioning service of industrial waste combustion treatment system including thermal oxidizer (also referred to as incinerator), heat recovery system (boiler), pressurized vessel, flue gas treatment system (DeSOX, DeNOx) and plate heat exchanger, etc.

Ruiding has been authorized with the Environmental Protection Engineering Class 2 (waste gas, waste liquid, waste solid treatment) EPC certificate, ASME Certificate, Class A boiler manufacturing license, Class A boiler installation and Revamping & Maintenance certificate, A2 designing and manufacturing certificate for press vessel, GC1, GC2 press pipeline designing & construction certificate.

Ruiding covers a building area of over 250,000 square meters and has nearly 300 professional and technical staffs. We have completed over 500 engineering projects, spread across various domestic and international industries, with a significant market share in the petrochemical industry.

Faq:

1. What is the company's main business? ‌
Focus on the R&D, design, production, installation and commissioning of industrial three wastes (waste gas/waste liquid/solid waste) incineration treatment equipment and special boilers, and provide supporting equipment (such as heat exchangers, sludge dryers, etc.) ‌.
2. Do you have industry qualification certification? ‌
The company has now passed the quality, environment, occupational health, and occupational hygiene and safety management system certifications, and has the second-level qualification for environmental protection engineering contracting, Class B special environmental engineering design, Class A boiler manufacturing qualification, Class A boiler installation, inspection and maintenance certificate, A2 pressure vessel design and manufacturing certificate, GC1, GC2 pressure pipeline design and installation certificate, and Class A environmental pollution control (waste, waste gas, waste liquid) qualification certificate.
‌3. What are the core products? ‌
(1) Waste gas incinerator:
Regenerative thermal oxidation furnace (RTO), regenerative catalytic oxidation furnace (RC0), catalytic oxidation furnace (C0), high temperature thermal incinerator (T0), catalytic denitrification furnace (SCR)
(2) Waste liquid incinerator:
Organic waste liquid incinerator, salt-containing waste liquid incinerator, heavy component residue incinerator
(3) Solid incinerator:
Combined rotary kiln incinerator, gas-controlled pyrolysis incinerator, fluidized bed incinerator, step-type incinerator
(4) A-level boiler:
Modular waste heat boiler, tunnel waste heat boiler, furnace-boiler integrated incineration boiler, large cavity membrane wall boiler, fire tube boiler
(5) Plate heat exchanger:
Fully welded pressure plate heat exchanger, high-efficiency vortex tube heat exchanger, high-efficiency spiral tube heat exchanger
(6) Incineration auxiliary machine:
Sludge dryer, customized burner, solid waste crusher, VOC catalyst ‌
4. In what aspects are the technical advantages reflected? Have you ever had experience in cross-border cooperation?

We have 29 patented technologies, covering the fields of incinerator structure optimization, heat recovery, etc. The company has a first-class design team in China, which has mastered the incinerator technology and is familiar with the operation of incinerators. The designers have a solid theoretical foundation and rich design and practical experience. During the design process, they combine the operation of advanced devices at home and abroad to carry out process and structural design. The design response is fast, and the plan can be modified in time according to the buyer's requirements, and optimization suggestions can be made according to the buyer's data and processes.
5. What does the service scope include?
We provide full-process services from project consultation, scheme design, equipment manufacturing to installation and commissioning, and support pressure pipeline and boiler renovation.
6. Are there any successful cases for reference?
It has served multiple industries including petroleum, chemical, pharmaceutical, and solid waste disposal. Typical cases include organic waste gas RTO system, chemical waste liquid incineration project, etc.
7. How to obtain cooperation or quotation?
You can submit your needs through the official website online form, or contact directly:
Tel: +86 15606162805 ; +86 0510-87418884
Email: ruiding@rdee.com.cn
Address: Xinzhuang Industrial Concentration Zone, Yixing City, Jiangsu Province, China.
8. Is there any international business cooperation? ‌
Holding the independent import and export rights, we can provide equipment export and technical solution customization services for overseas customers.

Jiangsu Ruiding Environmental Engineering Co., Ltd. (abbreviated as "Jiangsu Ruiding") is a leading enterprise in China's energy conservation and environmental protection industry, specializing in comprehensive VOCs treatment solutions including research, design, manufacturing, installation, commissioning and engineering services. The company's core products encompass waste incinerators for gaseous, liquid and solid wastes, Class A boilers, and plate heat exchangers. With over 60 national patents, Jiangsu Ruiding has established strategic partnerships with prominent domestic and international corporations and engineering companies across key sectors including petroleum, chemical, pharmaceutical and coal chemical industries.

With a proven track record of excellence, Jiangsu Ruiding Environmental Engineering has successfully delivered over 550 environmental projects throughout China, Southeast Asia, the Middle East, and Africa. As an ASME S and U certified manufacturer, we have led the compilation of China’s chemical industry standards, titled “Design Code for Waste Incineration Disposal Engineering of Chemical Construction Projects (HG20706)”. Furthermore, our technical expertise has been recognized through our participation as a key contributor to China’s Synthetic Resin Industrial Pollutant Emission Standards. Significantly, we were honored to be selected among the inaugural co-construction units for the National Technical Standard Innovation Base (Water Environment Technology and Equipment), where we continue to drive innovation in water environment standardization.

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