Petroleum Coke Dryer
Industrial Low-Dust High-Efficiency Rotary Dryer for Petroleum Coke Dewatering & Upgrading
Our petroleum coke dryer is a professional industrial rotary drying equipment customized for petroleum coke (pet coke), a by-product of petroleum cracking. Adopting optimized multi-layer heat exchange and low-dust enclosed drying technology, it effectively solves the problems of high moisture, fine dust overflow and uneven drying of raw petroleum coke. It stably reduces raw pet coke moisture from 12%-15% to industrial standard 3%-6%, with high thermal efficiency and low energy consumption.
Anti-Stick Host
Explosion-Proof
PLC Control
What is Petroleum Coke Dryer?
Petroleum coke is a solid carbonaceous by-product produced during petroleum vacuum residue cracking and coking at high temperature. It features high calorific value, stable chemical properties and wide industrial application value. However, raw petroleum coke discharged from coking processes usually carries 12%-15% surface moisture, accompanied by fine powder particles. High moisture severely restricts its storage, transportation and deep processing, reducing combustion efficiency and product grade.
Traditional single-layer dryers have low thermal efficiency, serious dust leakage and uneven drying, resulting in material waste and environmental pollution. Our dedicated petroleum coke rotary dryer adopts advanced three-layer rotary heat exchange structure and negative pressure enclosed design. It prolongs material heat exchange time, reduces heat loss, and realizes uniform and thorough dewatering. The dried petroleum coke features stable low moisture, low dust and high purity, which can be widely used for power generation fuel, carbon electrode raw materials, metallurgical additives and chemical industry, greatly improving economic benefits of pet coke resources.
Contents
Complete Equipment Composition of Petroleum Coke Dryer
1. Multi-Layer Rotary Drum Host (Core Part)
Different from ordinary single-layer dryers, this petroleum coke-specific drum adopts inner, middle and outer three-layer nested structure. It is equipped with customized material lifting and scattering plates for fine pet coke particles. During drum rotation, materials spiral forward for downstream and countercurrent alternate heat exchange, greatly extending effective heat exchange time. The compact structure reduces floor area by 40% compared with traditional equipment, realizing efficient and centralized drying.
2. Efficient Circulating Hot Air Heating System
Supports multiple clean heat sources including natural gas, diesel, biomass and coke oven gas. It adopts circulating hot air constant-temperature drying mode with stable and adjustable temperature. The low-temperature gentle heating avoids pet coke thermal deterioration and carbonization quality damage, ensuring the original high calorific value and chemical stability of petroleum coke.
3. Sealed Quantitative Feeding & Crushing Device
Equipped with dedicated sealed screw feeder and auxiliary crushing structure for bulk wet petroleum coke. It evenly and quantitatively feeds materials, breaks up agglomerated wet coke particles in advance, prevents feeding blockage and material accumulation. The fully sealed feeding structure avoids fine dust overflow and material loss, ensuring continuous and stable production.
4. Negative Pressure Multi-Stage Dust Removal System
Aiming at the fine dust characteristics of petroleum coke, the whole machine operates under micro negative pressure, matched with cyclone primary dust removal + pulse bag dust removal dual system. It fully recovers fine pet coke powder, realizes zero dust discharge, meets global industrial environmental protection standards, and effectively improves raw material utilization rate.
5. Intelligent PLC Constant Temperature Control System
Intelligent automatic control cabinet independently adjusts hot air temperature, air volume and drum rotating speed according to raw petroleum coke moisture and particle size. Equipped with over-temperature protection, fault alarm and automatic shutdown functions, it realizes 24-hour unmanned safe operation, ensuring consistent finished product quality and reducing manual operation costs.
Core Product Advantages of Petroleum Coke Dryer
1. Multi-Layer Heat Exchange, Ultra-High Thermal Efficiency
The three-layer nested drum structure prolongs material and hot air contact time in a limited space, effectively reducing heat loss. The outer cylinder temperature is controlled below 60℃, with low exhaust temperature and high heat utilization rate. Compared with traditional single-layer dryers, the thermal efficiency is increased by 35%+, and the unit energy consumption is significantly reduced, realizing energy-saving and high-efficiency production.
2. Low-Dust Enclosed Operation, Zero Material Loss
Targeted at fine petroleum coke dust, the fully sealed negative pressure operation mode fundamentally suppresses dust overflow. The matched multi-stage dust recovery system collects all fine coke powder without waste. It solves the environmental pollution and material loss problems of traditional open drying, improving finished product yield and enterprise profit.
3. Uniform Dewatering & Stable Finished Quality
Through alternate downstream and countercurrent heat exchange in multi-layer drum, petroleum coke particles are flipped and scattered evenly without dead drying area. The surface and internal moisture are removed thoroughly, with no wet core or uneven moisture. The finished pet coke has stable moisture of 3%-6%, uniform particle dryness and no secondary moisture regain, fully meeting industrial deep processing standards.
4. Protect Pet Coke Activity & Calorific Value
Adopts low-temperature constant-temperature gentle drying technology, avoiding high-temperature local overheating and thermal deterioration of petroleum coke. It completely retains the original high calorific value and stable chemical properties of pet coke, ensuring excellent combustion performance and industrial application value for carbon product processing and power generation.
5. Small Footprint & Large Processing Capacity
The compact integrated multi-layer structure saves plant space, with larger hourly output than traditional dryers of the same specification. It supports large-scale centralized drying of bulk petroleum coke, fully meeting the continuous production demand of large petrochemical and carbon industry enterprises.
6. Durable & Low Maintenance Cost
The drum adopts thickened wear-resistant and high-temperature resistant steel material, with strong corrosion resistance and long service life. The equipment has reasonable structural design, low failure rate and simple daily maintenance. The low-temperature exhaust environment also extends the service life of supporting dust removal equipment, reducing long-term operating costs.
Working Principle & Production Process of Petroleum Coke Dryer
Working Principle
The petroleum coke dryer adopts advanced multi-layer nested circulating heat exchange drying principle. Bulk wet petroleum coke is quantitatively and evenly sent into the inner layer of the rotary drum through the sealed feeding system. Materials move forward spirally for downstream drying, fully contacting with high-temperature hot air for primary dewatering. Then the materials enter the middle layer for countercurrent drying to remove internal residual moisture, and finally enter the outer layer for low-temperature cooling and moisture stabilization.
The three-stage alternate heat exchange mode realizes step-by-step thorough dewatering, avoiding local overheating and uneven drying. The whole process operates under negative pressure to suppress dust overflow. Water vapor and fine dust are purified and recovered by the multi-stage dust removal system, and the high-quality low-moisture petroleum coke finished product is discharged, completing efficient, energy-saving and environmentally friendly drying and upgrading.
Standard Production Flow
Wet Petroleum Coke Feeding → Sealed Quantitative Conveying → Multi-Layer Downstream & Countercurrent Heat Exchange Drying → Uniform Particle Dehydration → Dust Purification & Material Recovery → Dry Pet Coke Discharging → Industrial Processing / Power Generation / Storage & Sales
Application Scenarios of Petroleum Coke Dryer
This professional petroleum coke dryer is specially designed for drying and upgrading wet petroleum coke produced in petrochemical coking plants, widely used in carbon industry, thermal power generation, metallurgy, chemical industry and other fields. It solves the pain points of high moisture, difficult storage, serious dust and low utilization rate of raw petroleum coke. The dried low-moisture pet coke can be used for carbon electrode production, industrial boiler fuel, metallurgical reducing agent and chemical raw materials, realizing high-value recycling of petrochemical by-products.
Core Application Fields: Petrochemical plant pet coke processing, carbon industry raw material pretreatment, thermal power plant fuel upgrading, metallurgical auxiliary material drying, industrial high-calorie fuel production
Real Project Cases of Petroleum Coke Dryer
Case 1: 12T/H Petroleum Coke Drying Project | Saudi Arabia Petrochemical Plant
Project Info: The customer is a large local petrochemical enterprise with massive wet petroleum coke by-products (13%-15% moisture). Traditional dryers have low efficiency and serious dust pollution. Our multi-layer energy-saving pet coke dryer was adopted with natural gas heating. After drying, the pet coke moisture is stably controlled at 5%, with zero dust emission. The finished product is used for supporting power generation and carbon product processing, greatly improving resource utilization rate and enterprise economic benefits.
Case 2: 8T/H Low-Dust Pet Coke Upgrading Project | Malaysia Carbon Factory
Project Info: The customer has strict requirements on pet coke purity and drying uniformity for carbon electrode production. Our sealed low-dust petroleum coke dryer perfectly solves dust pollution and uneven drying problems. The low-temperature drying mode protects pet coke chemical stability. The dried high-purity low-moisture pet coke fully meets high-end carbon product production standards, with stable equipment long-term operation.
Case 3: 15T/H Large-Scale Pet Coke Drying Line | Iran Energy Enterprise
Project Info: Large-scale centralized petroleum coke resource upgrading project. Equipped with industrial-grade multi-layer high-efficiency dryer, it supports 24-hour uninterrupted high-load operation. The equipment features small footprint and low energy consumption. The dried pet coke is supplied to local power plants and metallurgical enterprises in batches, with stable product quality and high market competitiveness.
Technical Parameters of Petroleum Coke Dryer
| Spec | Inner diameter of cylinder (mm) | Tube length (mm) | Slope(°) | Speed (r/min) | Motor Power (Kw) | Capacity (t/h) | Inlet temperature (℃) | Weight(t) |
| Ф1.0X10m | 1000 | 10000 | 2.5 | 3.4 | 4 | 0.6~1.8 | ≤700℃ | 5.6 |
| Ф1.2X12m | 1200 | 12000 | 2.5 | 3.4 | 11 | 0.8~2.5 | 15 | |
| Ф1.5X14m | 1500 | 14000 | 2.5 | 3.4 | 15 | 1.8～4 | 19.6 | |
| Ф1.8X15m | 1800 | 15000 | 2.5 | 4.04 | 18.5 | 2.8～6.5 | 25 | |
| Ф1.8X20m | 1800 | 20000 | 2.5 | 3.1 | 22 | 5～8 | 32.2 | |
| Ф2.0X18m | 2000 | 18000 | 2.5 | 3.16 | 30 | 6～10 | 38.8 | |
| Ф2.2X20m | 2200 | 20000 | 2.5 | 3.68 | 37 | 6.5～11 | 47 | |
| Ф2.2X22m | 2200 | 22000 | 2.2 | 2.9 | 37 | 7～12 | 50 | |
| Ф2.4X22m | 2400 | 22000 | 2.5 | 3.27 | 45 | 7.5～14 | 62 | |
| Ф2.6X24m | 2600 | 24000 | 2.5 | 3.2 | 55 | 8～17 | 72.5 | |
| Ф2.8X22m | 2800 | 22000 | 2.5 | 3.4 | 132 | 28～32 | 94 | |
| Ф3.0X28m | 3000 | 28000 | 2.5 | 3.2 | 75 | 32～36 | 105 | |
| Ф3.2X30m | 3200 | 30000 | 3-5 | 3.2 | 90 | 43～50 | 700-800℃ | 118 |
| Ф3.6X32m | 3600 | 32000 | 3-5 | 3.0 | 160 | 60～76 | 143 | |
| Ф4.0X36m | 4000 | 36000 | 3-5 | 3.0 | 200 | 82～90 | 189 | |
| Ф4.6X42m | 4600 | 42000 | 3-5 | 3.0 | 280 | 100～110 | 290 |
Note: Production capacity will vary with product composition and water content.
Get Custom Petroleum Coke Drying Solution
Our professional petroleum coke dryer adopts advanced multi-layer energy-saving drying and low-dust environmental protection design, targeting the drying pain points of petrochemical by-product petroleum coke. It features high efficiency, low energy consumption, zero dust pollution and stable finished quality, helping global petrochemical, carbon and energy enterprises realize low-value wet pet coke upgrading, reduce production costs and maximize resource utilization benefits.
Contact us now to get free equipment quotation, customized model selection and professional petroleum coke drying project solution!
FAQs of Petroleum Coke Dryer
Q1: What is the standard moisture of dried petroleum coke?
A: Raw petroleum coke has a moisture content of 12%-15% after production. After drying by our professional equipment, the finished moisture can be stably controlled at 3%-6%, which meets the national and international industrial standards for carbon materials, power generation fuel and metallurgical raw materials, suitable for various deep processing scenarios.
Q2: Why is multi-layer dryer better than single-layer dryer for pet coke?
A: Single-layer dryers have short heat exchange time, large heat loss, low thermal efficiency and serious dust leakage. Our multi-layer nested dryer prolongs heat exchange time, improves thermal efficiency by 35%+, saves floor space, and realizes enclosed low-dust drying, which is the most suitable equipment for petroleum coke large-scale upgrading.
Q3: Will drying affect the calorific value and quality of petroleum coke?
A: No. The equipment adopts low-temperature constant-temperature gentle circulating drying technology, without high-temperature baking and thermal deterioration. It only removes surface and internal moisture of pet coke, completely retaining its original high calorific value, stable chemical properties and carbon activity, ensuring excellent industrial application quality.
Q4: Does petroleum coke drying process cause dust pollution?
A: No. The whole machine adopts fully sealed negative pressure operation, matched with cyclone and pulse bag dual dust removal system. Fine pet coke dust is fully recycled with zero overflow and zero pollution. It meets global industrial environmental protection standards and avoids raw material waste.
Q5: What heat sources are available for petroleum coke dryer?
A: The equipment supports multiple flexible heat sources, including clean energy such as natural gas and biomass, as well as industrial fuels such as diesel and coke oven gas. Customers can select the most cost-effective heat source according to local energy conditions to reduce operating costs.
