Rotary Roasting Machine for Continuous Biomass Fuel Processing
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Solution Overview
Problem
Existing roasting machines for converting plant fibers into bio-forming fuels have low efficiency due to a sequential feeding and roasting process, leading to inefficiencies in material processing.
Innovation Solution
A roasting machine design featuring a tank with integrated rotary feeders and a roller system that includes ventilation ducts and sealing members, allowing for continuous material processing and improved heat transfer, with a driving assembly to rotate the roller and ensure continuous operation.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Productivity
If a sequential feeding and roasting process is used in the roasting machine, then the structure is simple, but the processing efficiency is low
Solution Approach 1:
The patent combines the feeding function and roasting function into a single integrated processing space. The roller simultaneously performs material transport and roasting by rotating within the processing cavity, eliminating the need for separate feeding and roasting zones. This merging of functions enables continuous processing without sequential waiting, thereby improving productivity while maintaining reasonable structural complexity.
Solution Approach 2:
The patent implements continuous material processing through the rotating roller that constantly moves material through the processing cavity while simultaneously exposing it to heating. The continuous rotation ensures uninterrupted feeding, roasting, and discharge operations, eliminating idle time between sequential operations and maintaining continuous useful action throughout the system.
2Loss of energy
If a sealed roasting environment is maintained, then heat loss is reduced, but energy input requirements increase
Solution Approach 1:
The patent creates a sealed processing cavity that maintains a controlled atmosphere during roasting. The cavity is closed except for the roller opening, preventing heat escape to the external environment. This sealed environment reduces heat loss while the roller's rotation and ventilation ducts ensure adequate air circulation for combustion, balancing heat retention with energy input requirements.
3Productivity
If the roller rotates at high speed for continuous processing, then productivity increases, but material exposure time to heat decreases
Solution Approach 1:
The patent counterbalances the reduced heat exposure time from high-speed rotation by increasing the heating intensity through ventilation ducts that supply hot air directly to the material. The spiral structure of the roller also ensures material is pushed along the entire length of the processing cavity, compensating for the shorter residence time and maintaining adequate roasting effectiveness at high processing speeds.
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 design enables continuous roasting operations, enhancing efficiency by allowing simultaneous feeding, roasting, and output of materials, while reducing energy loss and maintaining a sealed environment for effective roasting.
Implementation Method 1
a furnace comprising a furnace body and an air delivery pipe, the furnace body being communicated with the air delivery pipe, and the furnace body being configured to generate hot air
Implementation Method 2
the roller is configured to push the material to move relative to the tank, and bake the material into the fuel
Implementation Method 3
the roller defines a first ventilation duct, wherein the first ventilation duct is communicated with the air delivery pipe
Data Source
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AI summary
Disclosed is a roasting machine (10) for roasting materials into fuel, the roasting machine (10) comprising a tank (100), a first rotary feeder (200), a second rotary feeder (300), a furnace (400), a roller (500), an air outlet pipe (600) and a drive assembly (700). The tank (100) is provided with a feeding cavity (110), the first rotary feeder (200) is arranged on the tank (100), the first rotary feeder (200) extends into the feeding cavity (110), and the first rotary feeder (200) is used for feeding in materials. The second rotary feeder (300) is arranged on the tank (100), the second rotary feeder (300) extends into the feeding cavity (110), and the second rotary feeder (300) is used for discharging fuel. The furnace (400) comprises a furnace body (410) and a delivery pipe (420), the furnace body (410) is connected to the air delivery pipe (420), and the furnace body (410) is used for generating hot air; the roller (500) is provided with a first ventilation duct (510), the first ventilation duct (510) is connected to the air delivery pipe (420), a power output end of the drive assembly (700) is connected to the roller (500), and the drive assembly (700) drives the roller (500) to rotate with respect to the tank (100), the air delivery pipe (420) and the air outlet pipe (600) respectively.