In-line Gasifier Cooling Jacket Side Wall Connector Relocation
Find Innovative SolutionsGenerate Solutions
Solution Overview
Problem
Existing in-line gasifiers face challenges in mounting and maintaining the pressure vessel cover due to space limitations and the need for extensive welding, which complicates inspections and increases the risk of overheating and damage from freezing temperatures.
Innovation Solution
The design eliminates the cover bushing for cooling pipes, allowing for a reduced number of connectors and enabling complete emptying of the cooling jacket, which simplifies mounting, maintenance, and inspections, while maintaining pressure tightness through connector bushes and collector rings.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Power
If the number of cooling water connectors is increased to handle larger gasifier capacity, then heat dissipation capability is improved, but space limitations on the vessel head make arrangement impossible or illogical
Solution Approach 1:
The patent relocates cooling water connectors from the vessel head (two-dimensional surface) to the vessel side wall (three-dimensional space), specifically positioning them in the lower region where space is abundant. This dimensional shift allows multiple connectors to be arranged without compromising vessel head space, while still achieving the required heat dissipation capacity through increased connector数量.
2Power
If the nominal size of cooling water pipes is increased to carry away additional heat quantities, then heat dissipation is improved, but slag flow away becomes less well and slag formation becomes less uniform
Solution Approach 1:
Instead of using fewer large-diameter pipes, the patent segments the cooling system into multiple smaller-diameter pipe runs (at least two parallel runs). This segmentation maintains uniform slag formation by preserving adequate gap space around each pipe, while collectively achieving the required heat dissipation capacity through the combined surface area of multiple pipes.
Solution Approach 2:
The patent creates different local conditions by implementing multiple parallel pipe runs with smaller diameters rather than one or few large pipes. Each local pipe region maintains optimal dimensions for slag flow and uniform formation, while the aggregate system provides sufficient heat dissipation capacity for high-capacity gasifiers.
3Power
If the number of cooling jacket pipe runs is increased to improve heat exchange, then heat dissipation is improved, but the number of connectors through the pressure cladding must be increased which complicates mounting
Solution Approach 1:
The patent merges multiple parallel pipe runs into a unified cooling jacket structure that shares common mounting arrangements. By consolidating the mounting approach for multiple pipe runs rather than treating each independently, the system achieves improved heat exchange through multiple pipes while avoiding proportional increases in mounting complexity.
4Ease of operation
If connector bushes are present in the pressure shell for cooling pipes, then cooling water can be supplied, but inspection and replacement of cooling jacket involves extensive work and dismantling
Solution Approach 1:
The patent extracts the cooling water supply function from the pressure shell by positioning connectors in the lower region outside the main pressure containment area. This separation allows the cooling jacket to be inspected and replaced without extensive dismantling of the pressure shell, as connectors are accessible from the lower region rather than requiring penetration through the pressure containment structure.
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 solution reduces maintenance efforts, eliminates the risk of freezing, and improves heat transfer efficiency by limiting pipe size and increasing the number of pipe runs, allowing for higher capacity gasifiers with fewer connectors and easier access for inspections.
Implementation Method 1
The cooling water which flows through the cooling jacket is fed in and out via connectors
Implementation Method 2
a larger quantity of water is required to dissipate the amount of heat
Implementation Method 3
connector bushes through the vessel's pressure shell
Data Source
AI summary
For an in-line gasifier having a liquid cooled cooling jacket it is proposed to lead the inlet connectors and the outlet connectors for the cooling liquid through the side of the cylindrical pressure vessel, below the mounting flange for the vessel cover. This achieves a simplification in the mounting of the pressure vessel cover. Particular embodiments concern the bringing together of the upper ends and of the lower ends of several pipe runs coiled in parallel, in each case into a collector pipe which has a connector bush for cooling water.