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High-efficiency biomass pyrolysis fixed-bed catalytic reaction device

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High-efficiency biomass pyrolysis fixed-bed catalytic reaction device

The biomass pyrolysis fixed-bed reactor is a device specially used for biomass pyrolysis process. It adopts a fixed-bed structure and slowly pyrolyzes various types of biomass (such as wood chips, straw, rice husks, etc.) under anaerobic or anoxic conditions.
  • Item NO.:

    OLT-FD03282
  • Product Orgin:

    China
  • Shipping Port:

    Xiamen
  • Model Number:

    OLT-FD03282
  • Minimum Order Quantity:

    1
  • Voltage:

    AC 220±22V 50Hz or Customized
  • Warranty:

    1 year
  • Delivery Time:

    7-15 days
  • Product Details

The biomass pyrolysis fixed bed reactor is a device dedicated to the biomass pyrolysis process. It adopts a fixed bed structure and slowly pyrolyzes various types of biomass (such as wood chips, straw, rice husks, etc.) under anaerobic or anoxic conditions. The equipment precisely controls the temperature, pressure and reaction time to decompose the biomass during the pyrolysis process to produce three-phase products of liquid (bio-oil), gas (synthesis gas) and solid (biochar), thereby realizing the high-value utilization of waste biomass.

     


Working Principle

The core of the fixed bed reactor is a fixed reaction bed, where the biomass raw materials are uniformly loaded in the reactor with suitable particle size. Under the protection of oxygen-free or inert gas (such as nitrogen), the reactor uses electric heating, thermal oil or steam heating to heat the bed. Biomass undergoes pyrolysis under high temperature conditions, mainly undergoing the following processes:
  • Pyrolysis decomposition: The organic components in the biomass decompose under high temperature to form volatile components and solid carbon.
  • Gas-liquid separation: The generated volatile components are condensed into bio-oil through the cooling system, and some exist in the form of gas.
  • Product collection: Through a carefully designed separation system, bio-oil, syngas and biochar are separated and collected for subsequent processing and utilization.

Main features and advantages

Simple structure and stable operation
The fixed bed structure is simple in design, and the equipment is easy to manufacture, install and maintain, suitable for small and medium-sized and pilot-scale production.

High process stability
Adopting automated control systems (such as PLC control) to achieve precise control of temperature, pressure and residence time, ensuring stable reaction process and consistent product quality.

Multiple heating methods to choose from
Electric heating, thermal oil heating or steam heating can be selected according to different process requirements, and flexibly adapt to different production scales and energy efficiency requirements.

Wide applicability
Can process a variety of biomass raw materials, including agricultural waste, forestry by-products, etc., to achieve waste resource utilization and reduce environmental pollution.

High product added value
The reactor can efficiently convert biomass, and the generated bio-oil can be further processed and upgraded to fuel oil, biodiesel, etc., and biochar can be used for soil improvement and carbon sink applications.



Scope of application

  1. Biomass energy production: used to produce bio-oil, biochar and syngas, which can be used as alternative fuels or chemical raw materials.
  2. Environmental protection and comprehensive utilization of resources: converting agricultural, forestry and urban organic waste into high value-added products, helping energy conservation, emission reduction and sustainable development.
  3. Experimental research and demonstration: suitable for scientific research institutions and enterprises for process research, parameter optimization and pilot demonstration.

Equipment parameters

Equipment name Biomass pyrolysis fixed bed reactor
Catalyst filling amount 5ml (customizable within 30ml)
Number of workstations 2-10 multi-stations/multi-channels can be connected in parallel and customized;
Operating temperature 800℃
Operating pressure 2MPa
Material 316L/310S
Length of constant temperature section (mm) 60-100 (inner diameter: 10mm, 15mm customizable)
Temperature difference of catalyst bed ±1℃
Gas flowmeter Nitrogen, mixed gas, hydrogen (other gases can be added and customized)
Gas quantity 1~3
Gas flow 100, 200, 500, 1000ml/min (customizable)
Material of high-pressure feed pump head 316L, PTFE, PEEK, FKM, perfluororubber, ceramics, etc.
Liquid quantity 1~5
Flow rate 0.01-20ml/min (customizable)
Control system PLC/instrumentation-customizable
Note: This parameter is for reference only. Specific parameters can be detailed according to the actual product model and configuration.


     

     


Frequently Asked Questions (FAQ)

What is a biomass pyrolysis fixed bed reactor?
  • It is a device that uses a fixed bed structure to heat and decompose biomass in an oxygen-free environment. The main products include bio-oil, syngas and biochar.
What are the advantages of a fixed bed reactor compared with other types of reactors?
  • The fixed bed reactor has a simple structure, stable operation and convenient maintenance. It is particularly suitable for slow pyrolysis process and can obtain a higher biochar and stable bio-oil yield.
What is the working principle of the equipment?
  • The equipment loads biomass into a fixed bed and heats it in an oxygen-free environment to pyrolyze and decompose it. The generated volatile components are condensed into bio-oil through a cooling system, and the solid residues are collected as biochar, while releasing some gases.
What are the applicable biomass raw materials?
  • The processable biomass raw materials include agricultural and forestry wastes such as sawdust, straw, rice husks, fruit shells, and even some industrial organic wastes.
How to control the temperature and pressure of the reactor?
  • The reactor is equipped with an advanced automatic control system (PLC), which monitors and controls the reaction parameters in real time through temperature sensors and pressure sensors to ensure a stable and safe reaction process.


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