Solid-State Source Gasification With Longer Tray Gas Paths
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Solution Overview
Problem
Traditional solid-state source gasification devices suffer from inefficient gasification and mixing of solid feedstock due to parallel gas transmission channels, leading to varying gasification speeds and low vapor content in upper trays, resulting in suboptimal overall efficiency.
Innovation Solution
The device employs a novel gas transmission design with carrier gas pipes and conduits arranged to maximize mixing and vaporization by allowing carrier gas to traverse longer paths within each tray before reaching the gas conduits, using multiple conduits and staggered arrangements to enhance mixing efficiency.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Device complexity
If carrier gas passes through gas conduits from bottom up in parallel channels, then gas transmission is simplified, but gasification speed varies significantly between lower and upper trays
Solution Approach 1:
The patent inverts the traditional gas flow direction by introducing carrier gas from the top of each tray instead of from the bottom. This reversal allows the carrier gas to immediately contact and mix with vapors at the source, ensuring uniform gasification across all trays while eliminating the sequential bottom-up transmission bottleneck.
2Reliability
If gas conduit height is increased to prevent feedstock particle blockage, then particle blockage is avoided, but flow distance of carrier gas over solid feedstock is reduced
Solution Approach 1:
The patent extracts the gas introduction function from the traditional bottom-up conduit system and relocates it to individual gas introduction holes in each tray. This separation allows the carrier gas to be introduced directly at the vapor source without needing to traverse long conduit paths, thereby maintaining both blockage prevention and efficient mixing.
3Quantity of substance
If multiple trays are stacked to increase total solid feedstock surface area, then feedstock capacity is increased, but gasification efficiency of upper trays decreases
Solution Approach 1:
The patent segments the gas introduction function into multiple independent sources, with each tray having its own gas introduction holes. This segmentation allows each tray to operate independently with optimal gas-vapor mixing, eliminating the cumulative vapor concentration effect that plagues traditional stacked tray systems.
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 design significantly increases the vaporization rate and transport efficiency of solid source materials, ensuring uniform gasification across all trays and optimizing the overall gasification process.
Implementation Method 1
The carrier gas enters the vessel from the top or the bottom and is transferred to the bottom of the housing through a gas conduit. The carrier gas then rises layer by layer through the gas conduit on each tray. During the ascent, the carrier gas is mixed with the vapors vaporized by the solid-state source
Implementation Method 2
vapors vaporized by the solid-state source
Implementation Method 3
the carrier gas is thoroughly mixed with the vapors of the solid feedstock
Data Source
AI summary
The present invention discloses a solid-state source gasification device, comprising a housing and one or more trays, a top cover is provided on the top of the housing. A gas inlet and a gas outlet are provided on the top cover. The trays are vertically stacked in the housing. A carrier gas pipe is provided in the housing. An upper end of the carrier gas pipe is connected to the gas inlet. The carrier gas pipe penetrates through the trays, and extends into the bottommost-layer tray. One or more carrier gas outlets are formed in the carrier gas pipe. The carrier gas outlets are formed in a space of the bottommost-layer tray or formed in a space of the bottommost-layer tray and the rest trays. Except for the bottommost-layer tray, the rest trays are each provided with one or more gas conduits. The solid-state source gasification device of the present invention adopts a parallel gas transmission channel, whereby the carrier gas, after entering the carrier gas pipe from the gas inlet, can enter into each tray separately, and can be transmitted horizontally in each tray along the surface of the solid-state source material for a longer distance before reaching gas conduit, and thus a large amount of gasification gas can be carried in the carrier gas to enhance the overall gasification efficiency of the solid-state source gasification device.