Reactor Vessel Support Plates for Tube Stability and Flow
Find Innovative SolutionsGenerate Solutions
Solution Overview
Problem
Existing methanol synthesis reactors face issues with pressure drop due to long reactor tubes and the need for additional support plates, which cause bending, kinking, and vibration during transport and operation.
Innovation Solution
A reactor design featuring a tube bundle with multiple tube groups supported by transversely arranged support plates, allowing for countercurrent or concurrent flow of media and minimizing obstruction while preventing buckling and vibration.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Volume of moving object
If long reactor tubes are used to fit restricted external dimensions during transport, then the reactor can be transported, but pressure loss on the coolant side increases
Solution Approach 1:
The tube bundle is divided into multiple tube groups (first, second, and third tube groups) arranged in a specific pattern. This segmentation allows the long tubes to be structurally divided into manageable sections with support plates positioned between tube groups, reducing overall pressure loss while maintaining the required external dimensions for transport.
2Stability of the object's composition
If additional support plates are added to prevent sagging and vibration of long tubes, then tube stability is improved, but pressure drop on the coolant side increases due to obstruction
Solution Approach 1:
Support plates are positioned specifically between tube groups rather than uniformly along the entire tube length. The support plates provide localized stability where needed (preventing sagging and vibration) while leaving other regions open for fluid flow, thus minimizing the obstruction effect and pressure drop on the coolant side.
Solution Approach 2:
The support plates are arranged transversely to the longitudinal axis of the reactor vessel, creating a spatial arrangement where support function is provided in one dimension (transverse support) while fluid flow is maintained in another dimension (longitudinal flow path through recesses).
3Stability of the object's composition
If support plates are offset to allow meandering coolant flow, then tube support is provided, but pressure drop is generated in the steam on the coolant side
Solution Approach 1:
Recesses are provided in the support plates as intermediary structures that allow coolant flow to pass through the support plates with minimal obstruction. These recesses act as mediators between the support function (requiring solid plates) and the flow function (requiring open passages), enabling both tube support and efficient coolant flow.
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 design enhances stability and reduces pressure loss by supporting tubes effectively, preventing buckling and vibration, and optimizing fluid exchange, thus improving the efficiency and safety of methanol synthesis reactors.
Implementation Method 1
Heat exchange can take place between the first medium and the second medium
Implementation Method 2
The first medium and the second medium can flow in opposite directions. In this case, the device is operated in countercurrent mode
Data Source
Figure 1
Figure 2
AI summary
Device (1.1; 1.2) comprising a reactor vessel (2), a tube bundle (3) with a plurality of tubes (4), a first support plate (5) and a second support plate (6), wherein the tube bundle (3) is arranged in the reactor vessel (2), wherein the tube bundle (3) comprises a first tube group (7), a second tube group (8) and a third tube group (9), wherein the first support plate (5) and the second support plate (6) are arranged transversely to a longitudinal axis (10) of the reactor vessel (2) in the reactor vessel (2), wherein each of the tubes (4) is guided through the first support plate (5) and the second support plate (6).