Electrostatic Dispersion Plate for Gasification Reactor Fuel Atomization
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Solution Overview
Problem
Fluidized bed gasifiers face inefficiencies in gasification due to the lack of effective preheating and uniform supply of fuel and gasification agents, which hinders the enhancement of gasification efficiency.
Innovation Solution
A gasification apparatus and method that involves preheating and electrostatically spraying fuel and gasification agents to produce micro droplets, utilizing an aerosolization process through boiling phenomena, ensuring uniform supply to the reactor, thereby enhancing reactivity and efficiency.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Productivity
If fuel and gasification agent are supplied without preheating and atomization, then the system structure is simple, but gasification efficiency is low
Solution Approach 1:
The patent applies preliminary action by preheating the fuel and gasification agent before they enter the gasification reactor. The preheating unit heats these materials in advance, and the atomization unit converts them into fine droplets before supply, which improves gasification efficiency by ensuring the materials are in an optimal state for reaction.
Solution Approach 2:
The patent introduces intermediary units between the fuel supply and the gasification reactor. Specifically, a preheating unit and an atomization unit are inserted as intermediaries to process the fuel and gasification agent, transforming them into preheated, atomized droplets that enhance the gasification reaction efficiency.
2Reliability
If fuel is supplied as large droplets or bulk material, then the supply system is simple, but reactivity in the reactor is insufficient
Solution Approach 1:
The patent replaces simple mechanical supply methods with an atomization system that uses electrical fields or mechanical atomization mechanisms to break fuel into fine droplets. This substitution significantly enhances the surface area and reactivity of the fuel, ensuring reliable and efficient gasification reactions.
Solution Approach 2:
The patent changes the physical parameters of the fuel by converting it from bulk material or large droplets into fine atomized droplets with controlled size distribution. This parameter change in droplet size and surface area directly improves the reactivity and combustion characteristics of the fuel in the gasification reactor.
3Productivity
If fuel is not preheated before gasification, then energy consumption for preheating is saved, but gasification reaction efficiency is low
Solution Approach 1:
The patent performs preliminary heating of the fuel and gasification agent before they enter the gasification reactor. This preheating action reduces the temperature difference between the supplied materials and the reactor environment, thereby improving gasification reaction efficiency while managing energy consumption through optimized heat transfer.
4Productivity
If fuel is supplied uniformly after atomization, then gasification efficiency improves, but the complexity of the supply system increases
Solution Approach 1:
The patent applies preliminary atomization and uniform distribution preparation before the fuel enters the gasification reactor. The atomization unit creates uniformly sized droplets, and the supply system is designed to distribute these droplets evenly, ensuring optimal gasification efficiency through uniform fuel supply.
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 process promotes atomization, preheats the fuel uniformly, and improves gasification reaction efficiency by utilizing the reactor's heat for preheating and aerosolization, leading to improved reactivity and reaction efficiency.
Implementation Method 1
the dispersion plate, in a state of being charged by receiving power, is configured to electrostatically spray the fuel and a gasification agent, thereby producing a micro droplet
Implementation Method 2
preheating the produced micro droplet to aerosolize the micro droplet by using a boiling phenomenon
Data Source
AI summary
The present invention relates to a gasification apparatus and a gasification method, the apparatus comprising: a reactor for gasifying fuel; a fuel supply part for supplying fuel to the reactor; and a dispersion plate for spraying fuel, so as to enhance reactivity in the reactor, and aerosolizing moisture within fuel, thereby uniformly supplying fuel to the reactor, wherein the dispersion plate, in a state of being charged by receiving power, is configured to electrostatically spray fuel and a gasification agent, thereby producing a micro droplet, and atomizing the same. Accordingly, it is possible to aerosolize fuel using a boiling phenomenon or an electrostatic spray phenomenon, and uniformly supply fuel to the reactor. Also, it is possible to obtain the effect of increasing gasification reaction efficiency by preheating and reforming fuel and moisture through mid-low temperature oxidation prior to supplying the same the reactor.