Gas Vessel with Cyclone Separation for Solid Particle Removal
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Solution Overview
Problem
Existing vessels for separating solid particles from gases require large sizes when handling large quantities of gas and solids, leading to inefficiencies and potential clogging due to the accumulation of fine particles.
Innovation Solution
Incorporation of cyclone separation devices and a two-tiered grid in the vessel design, which reduces the solids load on filter elements, allows for closer spacing of filter elements, and prevents the buildup of ash bridges, enhancing separation efficiency and preventing clogging.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Productivity
If a conventional vessel design with filter elements is used, then solid particles can be removed from gas, but large vessel size is required when handling large quantities of gas and solids
Solution Approach 1:
The vessel is divided into distinct functional zones: a cyclone separation section for coarse particle removal and a filtration section for fine particle removal. This segmentation allows each section to handle specific particle sizes efficiently, increasing overall separation capacity without proportionally increasing vessel volume.
Solution Approach 2:
The cyclone separation devices perform preliminary separation of coarse solid particles from the gas stream before the gas reaches the filter elements. By removing coarse particles in advance, the filter elements only need to handle fine particles, reducing their loading and allowing for a more compact filtration section.
2Reliability
If filter elements are used to remove all solid particles, then separation is effective, but accumulation of fine particles causes clogging of filters
Solution Approach 1:
The particle removal function is segmented into two stages: cyclone separation for coarse particles and filtration for fine particles. This division prevents fine particle accumulation in the cyclone and coarse particle loading on filters, reducing clogging risks for both separation mechanisms.
Solution Approach 2:
The cyclone separation devices act as an intermediary between the gas inlet and the filter elements, removing coarse particles that would otherwise contribute to filter clogging. This intermediary separation stage protects the filters and extends their operational life.
3Productivity
If more filter elements are added to increase separation capacity, then more particles can be removed, but the number of filter elements increases device complexity
Solution Approach 1:
By performing preliminary cyclone separation before filtration, the solid particle load on the filter elements is significantly reduced. This allows for fewer filter elements to achieve the same effective separation capacity, simplifying the overall device structure while maintaining or improving productivity.
Solution Approach 2:
The mechanical filtration system is supplemented with a cyclone separation system that uses centrifugal force instead of mechanical filtering for coarse particle removal. This substitution reduces the burden on the mechanical filter elements, allowing for a more efficient and less complex overall system.
4Ease of manufacture
If existing vessels are used, then initial investment is lower, but they become bottlenecked when filter elements are overloaded by solids
Solution Approach 1:
Cyclone separation devices are added to existing vessels to perform preliminary particle removal before the gas reaches the filter elements. This preliminary action prevents filter overload and debottlenecks the existing system, restoring or enhancing separation capacity without requiring complete vessel replacement.
Solution Approach 2:
The cyclone separation system is merged with the existing filtration system in a hybrid configuration. This combination leverages the low-cost advantage of existing vessels while adding the high-capacity cyclone separation capability to overcome the bottleneck of filter overload.
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 solution enables a significant reduction in the number of filter elements required, allows for de-bottlenecking of existing vessels, and improves separation performance by directing coarse particles away from filters, reducing fine particle accumulation and maintaining flow efficiency.
Implementation Method 1
The first space further comprises one or more cyclone separation devices having an inlet fluidly connected to the vessel opening for receiving the gas containing solid particles
Implementation Method 2
cyclone separation devices having an inlet fluidly connected to the vessel opening for receiving the gas containing solid particles, a cyclone gas outlet fluidly connected to the first space and a solids cyclone outlet
Implementation Method 3
a number of filter elements extending from the openings into the first space
Implementation Method 4
The two-tiered grid allows for the flow through of solids particles while minimising the build up of ash or particle 'bridges' that restrict flow
Data Source
AI summary
The invention is directed to a vessel for separating solid particles from a gas containing solid particles, said vessel comprising a plate provided with openings across the vessel such that the plate divides the vessel in a first and second space, a number of filter elements extending from the openings into the first space, a vessel opening for receiving the gas containing solid particles, fluidly connected to the first space, an vessel outlet opening for discharge of solids, fluidly connected to the first space and a vessel outlet opening for gas, fluidly connected to the second space. The first space further comprises one or more cyclone separation devices having an inlet fluidly connected to the vessel opening for receiving the gas containing solid particles, a cyclone gas outlet fluidly connected to the first space and a solids cyclone outlet.