A:
All Dongding dryers come with a 12-month warranty covering parts and workmanship from the date of commissioning. Lifetime technical support and spare parts supply are provided.
Introduction of Coal Steam Tube Dryer
Steam tube dryer for coal adopts indirect drying method. It can use low pressure steam such as extract steam from turbine to dry kinds of low rank coal. Steam tube dryer can be used to dry lignite, thermal coal, coking coal, raw coal, bituminous coal,anthracite, etc. At present, coal steam tube dryer is widely used in power plants, gasification plants, etc.
Advantages of Coal Steam Tube Dryer
01
Environmentally Friendly
No flue gas is generated and no desulfurization or denitrification is needed; bag or electric dust removal produces no wastewater.
02
Safe Operation
Low-pressure steam (no less than 0.4 MPa, no more than 300 ℃) provides indirect heat exchange with no air entering the drum, greatly improving operational safety.
03
Energy Saving
Indirect steam heat transfer plus a dehumidification process cuts air volume and fan power, and condensed water can be recycled.
04
Full Technical Support
Free factory design and a reasonable drying-plant layout are provided.
05
One-Year Warranty
Every dryer is backed by a one-year guarantee.
06
Contract Compliance
Delivery and performance are carried out 100% as contracted.
Working Principle of Coal Steam Tube Dryer
The wet material enters the steam tube dryer through the dispersing feeder, belt conveyor, and screw conveyor. With the rotation of the drum, wet material contacts the steam tube inside the dryer for heat exchange to be dried, and gradually moves to the discharge end. The dried material is discharged out of the dryer. The moisture evaporated from the wet material is carried out by the wet gas, then discharged by the induced draft fan after being purified by water bath dust collector.
Specifications of Coal Steam Tube Dryer
| Model | Capacity(TPD) | Initial Moisture (%) | Output Moisture(%) | Total Power(KW) | Floor Area(㎡) |
| DDZG1918 | 300 | ≤30 | 13±2 | 130 | 42*16 |
| DDZG2220 | 500 | ≤30 | 13±2 | 150 | 46*16 |
| DDZG2520 | 800 | ≤30 | 13±2 | 200 | 48*16 |
| DDZG2824 | 1000 | ≤30 | 13±2 | 250 | 51*16 |
| DDZG3026 | 1300 | ≤30 | 13±2 | 280 | 52*18 |
| DDZG3228 | 1500 | ≤30 | 13±2 | 330 | 55*18 |
| DDZG3420 | 1800 | ≤30 | 13±2 | 380 | 56*18 |
| DDZG3628 | 2000 | ≤30 | 13±2 | 450 | 58*18 |
Notice:
1. Any change of technical data shall not be advised additionally.
2. Parameters above are for reference; final configuration is tailored to your material and capacity.
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Frequently Asked Questions
Common questions about our rotary dryers — pricing, customization, installation and after-sales.
A:
Please share your raw material, initial and target moisture content, required capacity (t/h), available fuel or heat source, and your target market. With these details our engineers can recommend the right model and send an accurate quotation.
A:
As a manufacturer, we accept orders starting from a single machine. We can also deliver complete drying production lines with auxiliary equipment such as hot air furnaces and dust collectors. Contact us for tailored pricing.
A:
Standard models are usually delivered within 25-40 days after the deposit. Customized machines or larger production lines may take longer depending on the configuration. The exact schedule is confirmed in your contract.
A:
Yes. Every dryer is engineered around your material, capacity, moisture and site layout. Heat source, material of construction, dust collection and automation level can all be customized to your process.
A:
Yes. We provide installation guidance, commissioning, operator training and lifetime after-sales support. Our engineers can also travel to your site, and all equipment comes with a warranty.
