Modern Rotary Kiln Electric Furnace Heat Recovery High Thermal Energy Utilization

This advanced rotary kiln system features high thermal energy utilization and efficient heat recovery capabilities, designed for optimal performance in industrial waste treatment applications.

Modern rotary kilns serve as essential technical equipment for hazardous waste disposal. The high-temperature environment and extended residence time ensure complete decomposition of hazardous substances including medical waste and chemical waste. Equipped with comprehensive tail gas treatment systems (quench tower, bag dust removal, SCR denitrification), dioxin emission concentrations are controlled below 0.1ng TEQ/m³, significantly exceeding EU standards. Cement kiln co-disposal projects can convert inorganic waste components into cement mineral components, enabling true resource utilization.

This incineration system is specifically designed for high-salt organic wastewater in chemical industries, including wastewater from acrylic acid and ester production. Through deep integration of furnace and waste heat boiler technology, it achieves efficient coordination between incineration and heat recovery. The system emphasizes low operating costs and high thermal energy utilization (>85%), directly treating wastewater with 19% salt content while simultaneously addressing coordinated disposal of waste liquid, waste gas, and solid waste.

During incineration, waste heat steam drives salt reactions with carbon dioxide to generate solid salts (sodium carbonate/calcium carbonate), achieving dual control of salt resource recovery and carbon emissions. The salt-resistant furnace structure extends equipment lifespan and prevents blockage and corrosion issues caused by salt crystallization in traditional incinerators.

A rotary kiln features a long, inclined cylinder that rotates to uniformly heat waste materials in high-temperature environments. High-temperature combustion effectively decomposes and processes organic materials and other waste components. The rotary kiln design ensures waste remains in high-temperature conditions for sufficient duration, guaranteeing thorough combustion while effectively treating hazardous substances.

Ruiding has independently developed rotary kiln technology that combines all advantages of traditional rotary kiln incinerators. Significant advancements have been achieved in enhancing heat exchange and ash burnout rates. The incorporation of high-temperature grate technology elevates traditional second-stage combustion chambers to more efficient second-stage furnaces, improving ash burnout rates and increasing overall incineration efficiency.

This rotary kiln system includes a chain-type evaporator that addresses inadequate air-waste contact in traditional designs. This optimization enhances waste heat exchange and combustion effectiveness, prevents slag formation inside the kiln, and significantly boosts both combustion efficiency and equipment lifespan. With high operational uptime, user-friendly maintenance, and suitability for medium to large-capacity processing needs, this solution offers economically viable waste treatment options.

Ruiding provides customized hazardous waste solutions by analyzing critical parameters including elemental composition, calorific value, moisture content, viscosity, ash residue rate, and combustion rate. These tailored solutions meet specific customer needs and waste characteristics.

The integrated design reduces traditional incinerator heat loss by over 40%, with waste heat steam directly reused in production processes, reducing comprehensive energy consumption by 30%. Saturated steam drives salt recovery reactions, reducing chemical agent requirements. Salt recovery rates reach ≥90% with 15-20% carbon emission reductions.

Furnace inner walls utilize gradient refractory materials (zirconia/silicon carbide composite layer) combined with optimized salt gas-solid reaction paths to avoid high-temperature molten salt corrosion, extending equipment lifespan by over 50%. Automated salt discharge systems remove salt slag in real-time, ensuring continuous operation time ≥8,000 hours annually.

Dioxin emissions remain below 0.1 ng TEQ/m³ with particulate matter under 10 mg/m³, exceeding national standards (GB 18484-2020). Salt recovery products (carbonates) serve directly as industrial raw materials, generating annual resource benefits reaching millions of yuan. Successfully operational in multiple large chemical companies, with single systems processing 320,000 tons of waste liquid annually.

Ruiding has established the Jiangsu Province Clean Incineration Resource Engineering Technology Center and the Key Laboratory of the JICUI-Ruidings Joint Innovation Center.

The laboratory features advanced detection equipment including ICP inductively coupled plasma emission spectrometry, atomic absorption spectrophotometry, atomic fluorescence spectrophotometry, high-temperature combustion ion chromatography analyzers, high-temperature combustion rate analyzers, and rapid equilibrium flash point testers. Capabilities include 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.

Ruiding specializes in engineering, fabrication, construction, and commissioning services for industrial waste combustion treatment systems including thermal oxidizers (incinerators), heat recovery systems (boilers), pressurized vessels, flue gas treatment systems (DeSOX, DeNOx), and plate heat exchangers.

Ruiding holds Environmental Protection Engineering Class 2 (waste gas, waste liquid, waste solid treatment) EPC certification, ASME Certification, Class A boiler manufacturing license, Class A boiler installation and Revamping & Maintenance certificate, A2 designing and manufacturing certificate for pressure vessels, and GC1, GC2 pressure pipeline designing & construction certificates.

With over 250,000 square meters of building area and nearly 300 professional technical staff, Ruiding has completed over 500 engineering projects across various domestic and international industries, maintaining significant market share in the petrochemical sector.

Focus on R&D, design, production, installation and commissioning of industrial three wastes (waste gas/waste liquid/solid waste) incineration treatment equipment and special boilers, plus supporting equipment including heat exchangers and sludge dryers.

The company holds quality, environment, occupational health, and occupational hygiene and safety management system certifications, plus 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.

We hold 29 patented technologies covering incinerator structure optimization and heat recovery. The company maintains a first-class design team in China with mastery of incinerator technology and operational familiarity. Designers possess solid theoretical foundations and rich practical experience, combining advanced domestic and international device operations for process and structural design. Design response is fast with timely plan modifications according to buyer requirements and optimization suggestions based on customer data and processes.

We provide full-process services from project consultation, scheme design, equipment manufacturing to installation and commissioning, plus support for pressure pipeline and boiler renovation.

We have served multiple industries including petroleum, chemical, pharmaceutical, and solid waste disposal. Typical cases include organic waste gas RTO systems and chemical waste liquid incineration projects.

Holding independent import and export rights, we provide equipment export and technical solution customization services for overseas customers.