Continuous Solid Organic Matter Pyrolysis System with Heat Cascade Utilization
Find Innovative SolutionsGenerate Solutions
Solution Overview
Problem
Current methods for pyrolyzing solid organic matter face challenges such as environmental pollution, low yield, complex operation, and inefficiency, particularly in achieving high-efficiency, safe, and cost-effective carbonization of large-sized materials.
Innovation Solution
A continuous solid organic matter pyrolysis polygeneration system comprising a processing system with a drying furnace, pyrolysis furnace, and cooling furnace, along with a tail gas treatment and protective gas circulation system, enabling efficient heat cascade utilization, automatic operation, and safety through controlled pressure and gas recycling.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Object-generated harmful factors
If traditional earthen kiln or closed pyrolysis kettle is used, then pyrolysis can be achieved, but environmental pollution is serious and yield is not high due to incomplete closure
Solution Approach 1:
The pyrolysis furnace is divided into two independent spaces: a burner space and a pyrolysis chamber space. This segmentation allows the burner to be positioned separately from the pyrolysis chamber, enabling complete closure of the pyrolysis chamber while maintaining efficient combustion in the burner space, thus reducing pollution and improving yield
Solution Approach 2:
A heat exchanger is introduced as an intermediary between the burner and pyrolysis chamber. The heat exchanger transfers thermal energy from the combustion gases to the pyrolysis chamber without direct contact, allowing complete closure and efficient heat transfer, thereby reducing pollution and improving carbonization yield
2Manufacturing precision
If pyrolysis kettle is used to realize anaerobic pyrolysis, then carbon quality and yield are guaranteed, but production efficiency is not high due to complicated opening and closing procedures and long-time seal cooling
Solution Approach 1:
The system enables continuous feeding of solid organic matter into the pyrolysis chamber and continuous removal of coke products. The burner can continuously supply heat without requiring opening and closing operations, eliminating the time loss associated with sealing and cooling procedures, thus significantly improving production efficiency while maintaining carbon quality
Solution Approach 2:
The system employs dynamic control of the burner and pyrolysis chamber temperatures, allowing flexible adjustment of heating intensity and duration. This dynamic control enables optimized pyrolysis conditions to be maintained continuously, improving both carbon quality and production efficiency
3Productivity
If rotary furnace is used for carbonization, then process can be continuous, but original wood shape cannot be kept and cooling efficiency is low due to indirect water circulation
Solution Approach 1:
A heat exchanger serves as an intermediary for cooling the coke products. Instead of direct water circulation that would cause rapid cooling and shape distortion, the heat exchanger provides controlled, gradual cooling that preserves the original wood shape while enabling continuous production
Solution Approach 2:
The system changes the cooling parameters by using a heat exchanger with controlled heat transfer rates. This allows the cooling process to be adjusted to match the heating rate, maintaining the original wood shape while achieving continuous production capability
4Productivity
If powder carbonization method is used, then carbonization can be achieved, but binder addition is required after carbonization to meet block carbon demand
Solution Approach 1:
The system changes the physical state parameter by processing solid organic matter in a continuous solid form rather than powder form. This eliminates the need for binder addition while maintaining efficient carbonization, as the continuous solid material naturally forms coherent coke products without requiring additional binding agents
Applied Scientific Principles
This section explains which scientific principles are used to turn an abstract innovation direction into a practical engineering solution.
Function Achieved in This Case
The system achieves high-efficiency continuous production, reduces energy consumption, and ensures safety by utilizing heat exchange and gas recycling, resulting in improved energy utilization and minimal emissions.
Implementation Method 1
utilizing heat exchange and gas recycling
Implementation Method 2
continuous solid organic matter pyrolysis polygeneration system
Implementation Method 3
utilizing heat exchange and gas recycling
Implementation Method 4
The tail gas treatment system includes a dust removal and purification device and a condensation tank
Data Source
AI summary
A continuous solid organic matter pyrolysis polygeneration system and method for using the system is disclosed. The pyrolysis polygeneration system mainly includes a processing system, a drying furnace, a pyrolysis furnace, a cooling furnace, a tail gas treatment system, and a gas treatment system and a protective gas circulation system cooperate with each other to realize the multi-level rational utilization of energy, and are suitable for the continuous and rapid pyrolysis and carbonization of various solid organic matter in the actual production. While realizing the polygeneration of coke, wood vinegar and tar, the maximum utilization of overall heat is realized through process optimization.