Characteristics of dense phase pneumatic conveying
Dense phase pneumatic conveyingIt is a type of pneumatic conveying system with the characteristic of high solid gas mixing ratio, and is a leading equipment for pneumatic conveying of powdered materials such as fluoride salts and alumina. This device has the characteristics of simple structure, energy saving, reliable operation, and cost saving.
The characteristics of dense phase pneumatic conveying include a solid gas mixture ratio of up to 60:1, and the advantages of pneumatic conveying of powdery materials such as alumina and fluoride salts. The structure is simple, the operation is reliable, and energy consumption is saved. The characteristics of dense phase pneumatic conveying are as follows:
?Compared with conventional pneumatic conveying, the dense phase pneumatic conveying technique has the following advantages: because static pressure pneumatic conveying is used, the amount of compressed air used is less than that of conventional pneumatic conveying, and the power consumption is reduced by more than 2/3 when conveying the same amount of alumina by pneumatic conveying.
?2. The solid gas mixture ratio can reach up to 60:1. Usually, the solid gas ratio in pneumatic conveying is below 30:1, and the pipe diameter can be correspondingly reduced to reduce the pressure of pneumatic conveying, reduce the exhaust gas, decrease the filtration area, and correspondingly reduce the filter size.
?3. The pneumatic conveying speed is low, only 2-3m/s, with minimal wear on the pipeline. Ordinary steel pipes can be used, and the operating noise is low.
?4. The equipment is simple, and the cost of later maintenance and repair is low.
?5. The pneumatic conveying height can reach 30-40m, the conveying distance can reach 3000 meters, and the conveying capacity can reach 150t/h
?6. The material is less damaged during pneumatic conveying, and there is no scaling at the bend of the pipe. The pneumatic conveying pipeline also does not require special maintenance at the bend.
?7. It can be controlled by a PLC control box to achieve material mixing, automatic batching, and other operations, making it easy to complete fully automatic control with fewer operators.
?8. Flexible pipeline laying, one to many, many to many, many to one, and point-to-point transportation, can achieve sensitive unloading and convenient equipment layout.
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