Continuous Hazardous Waste Incinerator Kiln Temperature Gradient Control 70KW
Overview
Rotary kilns serve critical functions in the chemical industry for roasting chemical raw materials, preparing catalyst carriers, and treating hazardous waste. In alumina production, bauxite undergoes crushing and calcination in rotary kilns to remove moisture and carbon dioxide, producing activated alumina. For catalyst production, rotary kilns enable precise temperature and atmosphere control to ensure stable physical and chemical properties of carrier materials. Additionally, toxic chemical waste residues can be effectively treated through high-temperature incineration in rotary kilns.
Product Introduction
Solution: Rotary Kiln
Pollution Source: Hazardous Waste
Capacity: 35,000 t/a
The treatment process utilizes a rotary kiln + secondary combustion chamber (SCC) incineration system. Waste materials undergo complete decomposition through high-temperature oxidation in the furnace. The fully combusted high-temperature flue gas then passes through:
- Heat recovery system for energy utilization
- Comprehensive tail gas treatment train:
- SNCR denitrification
- Flue gas quench cooling
- Dry deacidification
- Baghouse filtration
- SCR denitrification
- Alkaline washing
The system achieves emissions compliance with China's "Emission Standard for Hazardous Waste Incineration" (GB 18484-2020), fulfilling enterprise objectives of waste reduction, detoxification, and resource recovery. Designed for 24/7 operation, the facility maintains an annual operational availability of 7,200 hours.
Operating Theory
A rotary kiln features a long, inclined cylinder that rotates to uniformly heat waste in high-temperature environments. High-temperature combustion effectively decomposes and processes organic materials and other waste components. The kiln design ensures waste remains in high-temperature conditions for sufficient duration, guaranteeing thorough combustion while effectively treating hazardous substances.
Ruiding has independently developed a rotary kiln that combines traditional advantages with significant advancements in heat exchange and ash burnout rates. High-temperature grate technology elevates the traditional second-stage combustion chamber to a more efficient second-stage furnace, improving incineration efficiency. The system incorporates a chain-type evaporator that optimizes air-waste contact, enhancing heat exchange and combustion effectiveness while preventing slag formation and extending equipment lifespan. With high operational uptime, user-friendly maintenance, and suitability for medium to large-capacity processing, this solution offers economically viable waste treatment.
Ruiding provides customized hazardous waste solutions by analyzing critical parameters including elemental composition, calorific value, moisture content, viscosity, ash residue rate, and combustion rate, tailored to each customer's specific waste characteristics.
Key Advantages
- Reliable and safe operation with advanced automated feeding and ash discharge systems, tight sealing measures, and maintained furnace negative pressure to prevent external release of harmful gases
- Integrated Selective Catalytic Reduction (SNCR) system efficiently removes NOx generated under high-temperature conditions, preventing atmospheric pollution
- Activated carbon adsorption and dual-bag dust removal technology ensure dioxin emissions fully comply with standards
- Integrated heat recovery device captures residual heat through heat recovery boilers, achieving energy savings and enhanced system thermal efficiency
Research & Development
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.
Company Introduction
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 Certificate, 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.
Frequently Asked Questions
What is the company's main business?
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, with supporting equipment including heat exchangers, sludge dryers, and related components.
Do you have industry qualification certification?
The company holds quality, environment, occupational health, and occupational hygiene and safety management system certifications, along with second-level environmental protection engineering contracting, Class B special environmental engineering design, Class A boiler manufacturing, Class A boiler installation, inspection and maintenance, A2 pressure vessel design and manufacturing, GC1/GC2 pressure pipeline design and installation, and Class A environmental pollution control (waste, waste gas, waste liquid) qualification certificates.
What are the core products?
Waste gas incinerator: Regenerative thermal oxidation furnace (RTO), regenerative catalytic oxidation furnace (RCO), catalytic oxidation furnace (CO), high temperature thermal incinerator (TO), catalytic denitrification furnace (SCR)
Waste liquid incinerator: Organic waste liquid incinerator, salt-containing waste liquid incinerator, heavy component residue incinerator
Solid incinerator: Combined rotary kiln incinerator, gas-controlled pyrolysis incinerator, fluidized bed incinerator, step-type incinerator
A-level boiler: Modular waste heat boiler, tunnel waste heat boiler, furnace-boiler integrated incineration boiler, large cavity membrane wall boiler, fire tube boiler
Plate heat exchanger: Fully welded pressure plate heat exchanger, high-efficiency vortex tube heat exchanger, high-efficiency spiral tube heat exchanger
Incineration auxiliary machine: Sludge dryer, customized burner, solid waste crusher, VOC catalyst
In what aspects are the technical advantages reflected?
We hold 29 patented technologies covering incinerator structure optimization and heat recovery. Our first-class design team combines solid theoretical foundations with rich practical experience, mastering incinerator technology and operation. Designers incorporate advanced domestic and international device operations into process and structural design, offering fast response times and optimization suggestions based on customer data and processes.
What does the service scope include?
We provide full-process services from project consultation, scheme design, equipment manufacturing to installation and commissioning, with support for pressure pipeline and boiler renovation.
Are there any successful cases for reference?
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.
How to obtain cooperation or quotation?
Submit needs through our 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
Is there any international business cooperation?
Holding independent import and export rights, we provide equipment export and technical solution customization services for overseas customers.