Can a vertical tubular heat treatment electric furnace be used for fluidized bed experiments?

Vertical tube type heat treatment electric furnaces are usually not directly used in fluidized bed experiments. There are significant differences between the two in terms of structural design, functional positioning, and experimental principles. The specific analysis is as follows:

1. Structural differences: special requirements for fluidized bed experiments
Core structure of fluidized bed
Fluidized bed experiments require suspending solid particles in a gas or liquid medium to form a fluid like state, in order to achieve efficient heat and mass transfer. Its key structures include:
Gas distribution plate: evenly distribute airflow to prevent particle blockage.
Fluidization chamber: provides a space for particle suspension, usually designed horizontally or obliquely.
Intake and exhaust system: precise control of gas flow rate and composition to maintain fluidization state.
Structural limitations of vertical tube furnace
The vertical tube furnace is centered around a vertical furnace, with a design focus on:
Vertical heating space: suitable for uniform heating of long rods and pipes.
Sealing: Atmosphere control is achieved through flanges or sealing rings (such as inert gas protection).
Temperature uniformity: Optimizing the thermal field through multiple layers of heating elements and insulation layers.
Problem: The vertical furnace lacks gas distribution plates and fluidization chambers, which cannot provide the horizontal airflow required for particle suspension, making it difficult to achieve a fluidized state.

2. Functional positioning: Process differences between heat treatment and fluidized bed
The core function of a vertical tube furnace
Heat treatment process: supports annealing, quenching, tempering, sintering, etc., and improves material properties through precise temperature and atmosphere control.
Experimental type: Suitable for the synthesis and performance research of metal compounds, ceramics, and inorganic compounds (such as crystal phase transition, thermogravimetric analysis).
The core function of fluidized bed experiment
Multiphase reaction system: achieving close contact between solid particles and gases, used for drying, combustion, catalytic reactions, etc.
Typical applications:
Chemical industry: petroleum catalytic cracking, catalyst regeneration.
Environmental protection field: flue gas desulfurization, denitrification, waste pyrolysis.
Material preparation: ceramic powder sintering, metal particle coating.
Problem: The vertical tube furnace lacks the airflow control and particle circulation system required for fluidized beds, making it unable to meet multiphase reaction conditions.

3. Alternative solution: specialized equipment for fluidized bed experiments
If fluidized bed experiments are required, the following specialized equipment can be selected:
Laboratory fluidized bed granulator
Functions: integrated spray drying and granulation, suitable for pharmaceutical, food, ceramics and other fields.
Features:
Small footprint (only 0.5 square meters), can be directly placed on the experimental platform.
Support minimum 50g sample experiment, suitable for small batch research and development.
Real time PID constant temperature control to ensure temperature stability.
High temperature fluidized bed system
Function: Supports 1200 ℃ high-temperature fluidized bed experiments, suitable for material sintering, gasification reactions, etc.
Features:
Continuous operation can simulate industrial scale fluidized bed conditions.
Equipped with ultrasonic atomization device to achieve uniform coating and reaction of particles.