Technical requirements:

1. Steam source, ensure that the steam pressure reaches 0.5Mpa. Steam temperature 156 ℃

2. The main body material is imported 304 for the shell part, 316L for the heat transfer shaft part, and the thickness of the shell and blade is not less than 8mm

1) Design processing capacity: 100 tons/day with a 10% margin

2) Moisture content of sludge before drying: ≥ 65%

3) Total amount of sludge before drying: 100 tons/day per unit, [detailed description]

Red mud is a polluting waste residue discharged during the extraction of alumina in the aluminum industry. Generally, for every ton of alumina produced, an average of 1.0-2.0 tons of red mud are produced. As the world's fourth largest producer of alumina, China emits millions of tons of red mud annually. A large amount of red mud cannot be fully and effectively utilized, and can only be piled up in large areas, occupying a large amount of land and causing serious pollution to the environment. Approximately 70 million tons of red mud are produced worldwide each year, with China producing over 30 million tons of red mud annually. The production of a large amount of red mud has caused various direct and indirect impacts on human production and life. Therefore, it is urgent to minimize the production and harm of red mud and achieve multi-channel and large-scale resource utilization.

Red mud filter cake paddle dryer

Technical requirements:

1. Steam source, ensure that the steam pressure reaches 0.5Mpa. Steam temperature 156 ℃

2. The main body material is imported 304 for the shell part, and the heat transfer shaft part is imported 316L from Japan. The thickness of the shell and blade is not less than 8mm

1) Design processing capacity: 100 tons/day with a 10% margin

2) Moisture content of sludge before drying: ≥ 65%

3) Total amount of sludge before drying: 100 tons/day per unit,

4) Drying machine thermal efficiency: ≥ 85%

5) Design data after sludge dewatering:

6) Moisture content of discharged material after drying: below 30%

7) Particle size of dehydrated and dried sludge: 1-10mm irregular particles,

8) The dryer motor adopts a frequency conversion dedicated motor, and the control method is frequency conversion control. The insulation level of the motor adopts F level, and the protection level adopts IP55,

9) All bearings are made of SKF bearings or equivalent quality. The inlet and outlet bearings of the dryer need to use high-temperature resistant imported bearings and provide one spare bearing each.

10) The main body shell of the dryer is made of 304 stainless steel imported from Japan, with a warranty period of 10 years; The material of the heat transfer shaft is 316L stainless steel,

Ensure no breakage or bending within 5 years. The material of the equipment support is Q235B.

11) The electrical part adopts Schneider products as the main components, fully considering the issue of outdoor corrosion prevention. If there is a control box outdoors, it should be made of stainless steel and treated with anti-corrosion measures. The electrical control part adopts Siemens PLC technology modules.

Contact: Wang Yong Phone: