Fermentation Reactor Heating via Combustion Waste Gas
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Solution Overview
Problem
Current methods for heating in aerobic fermentation reactors and treating combustion waste gases are inefficient, leading to high energy consumption, environmental pollution, and increased costs, as they either waste heat or require extensive cooling and treatment systems.
Innovation Solution
A method that utilizes combustion waste gas to heat organic waste in fermentation reactors, combining biological fermentation with waste gas treatment by mixing waste gas with external air and controlling the ratio using sensors and valves to optimize heating and purification, thereby reducing energy use and equipment costs.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Temperature
If direct heating by blowing hot air into the reactor is used, then the heating effect is improved, but the energy consumption increases significantly
Solution Approach 1:
The patent converts harmful combustion waste gas containing heat and pollutants into a beneficial heating source for the fermentation reactor. The waste gas is introduced into the reactor to heat the organic waste materials, simultaneously achieving temperature control and pollutant absorption, thus converting environmental harm into energy benefit.
Solution Approach 2:
The combustion waste gas serves multiple functions simultaneously: it acts as a heating source to maintain fermentation temperature, provides oxygen for aerobic decomposition, and serves as an absorbent for harmful pollutants. This multi-functionality eliminates the need for separate heating systems and pollution treatment equipment.
2Use of energy by moving object
If indirect heating through circulating water is used, then the energy consumption is reduced, but the warming speed decreases and the system complexity increases
Solution Approach 1:
The patent converts harmful combustion waste gas containing heat and pollutants into a beneficial heating source for the fermentation reactor. The waste gas is introduced into the reactor to heat the organic waste materials, simultaneously achieving temperature control and pollutant absorption, thus converting environmental harm into energy benefit.
Solution Approach 2:
The fermentation process itself generates heat through microbial decomposition, and the patent enhances this self-heating capability by introducing combustion waste gas. The system utilizes the exothermic nature of aerobic fermentation combined with the thermal energy in waste gas, reducing dependency on external heating systems.
3Ease of manufacture
If combustion waste gas is directly discharged, then the treatment cost is reduced, but the environmental pollution increases
Solution Approach 1:
The patent converts harmful combustion waste gas containing heat and pollutants into a beneficial heating source for the fermentation reactor. The waste gas is introduced into the reactor to heat the organic waste materials, simultaneously achieving temperature control and pollutant absorption, thus converting environmental harm into energy benefit.
Solution Approach 2:
The organic waste materials in the fermentation reactor act as an intermediary medium that absorbs harmful chemical substances from the combustion waste gas. The complex organic matrix and microbial community serve as a natural filter, converting toxic pollutants into less harmful substances through biological degradation.
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
This approach enhances fermentation efficiency, reduces fermentation time, and minimizes environmental impact by converting harmful waste gas components into useful nutrients, while saving energy and reducing costs by integrating heating and treatment processes.
Implementation Method 1
organic waste in a reactor is heated using waste gas with heat produced from fuel combustion
Implementation Method 2
some of the chemical substances in the waste gas with heat produced from fuel combustion are absorbed by the organic waste in the reactor
Data Source
AI summary
Provided is a method for facilitating an aerobic fermentation reaction using combustion waste gas, wherein organic waste in a reactor is heated using waste gas with heat produced from fuel combustion to facilitate the fermentation reaction, some of the chemical substances in the waste gas with heat produced from fuel combustion are absorbed by the organic waste in the reactor, and an environmental friendly treatment is performed on the waste gas with heat produced from fuel combustion. The specific practices comprise: connecting a gas outlet of a combustion device to a conveying pipe, and then connecting the conveying pipe to a gas inlet of the reactor or an air chamber aeration nozzle at a lower part of the reactor. Not only the equipment and cost for combustion waste gas treatments are saved, but also the aerobic fermentation efficiency of the organic waste is improved, which reduces the fermentation time. Not only the combustion waste gas is treated for environmental protection, but also the environmental friendly treatments of organic refuse waste are facilitated; and thus the method is an energy saving and environmental friendly technique.