Fluidized bed packing is an important component used in fluidized bed reactors, which are described in detail below:

1. Function: Provide a larger surface area to promote good contact and reaction between gas-liquid-solid three phases.

2. Material: usually ceramic, metal, plastic, etc.

3. Features:

1. Good fluidization performance, so that the material evenly distributed.

2. High specific surface area, increase reaction efficiency.

3. Corrosion resistance, high temperature resistance and other characteristics.

4. Type:

1. Spherical packing: good fluidity, easy to fluidize.

2. Irregular fillers: provide more contact surface area.

5. Application field:

1. Chemical industry: catalytic reaction, hydrogenation reaction, etc.

2. Energy field: coal gasification, etc.

3. Environmental protection industry: waste gas treatment, etc.

6. Advantages:

1. Improve the reaction rate.

2. Enhance heat and mass transfer.

3. Flexible operation.

7. Design considerations:

1. Fluidization speed.

2. Characteristics of reactants.

3. Size of reactor.

8. Precautions for use:

1. Select the appropriate filler type and size.

2. Control fluidization conditions to ensure stable operation.

3. Regular inspection and maintenance.

7.5 yuan/kg