Segmented Heat Exchanger for Distillation Plants
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Solution Overview
Problem
Heat exchangers in distillation systems are often either oversized, leading to calcification and fouling, or undersized, necessitating modifications that can cause system downtime during cleaning, and existing solutions that allow cleaning result in the system coming to a standstill.
Innovation Solution
A tamper-proof heat exchanger design with a base unit that can be easily replaced and cleaned outside the system, featuring mechanically and electronically coded connections to ensure correct installation and prevent manipulation, allowing for optimal operation and maintenance without system downtime.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Productivity
If the heat exchanger is oversized, then the system has sufficient capacity, but the risk of calcification and fouling increases
Solution Approach 1:
The heat exchanger is divided into multiple individual sheets or plates that can be separated from each other. This segmentation allows each sheet to be independently removed and cleaned outside the system, preventing calcification buildup while maintaining sufficient heat exchange capacity during operation.
Solution Approach 2:
The heat exchanger design allows dynamic adjustment of the number of sheets in operation. Sheets can be added or removed based on actual system needs, enabling optimal capacity utilization without oversizing, thereby reducing calcification risk while maintaining productivity.
2Object-affected harmful factors
If the heat exchanger is undersized, then calcification risk is reduced, but operators implement modifications and workarounds that cause system downtime
Solution Approach 1:
By segmenting the heat exchanger into removable sheets, operators can work on one sheet at a time during maintenance. This allows modifications and cleaning to be performed without shutting down the entire system, maintaining productivity while reducing calcification through proper maintenance access.
3Ease of repair
If the heat exchanger allows easy removal and cleaning, then maintenance is simplified, but the system must be shut down during cleaning
Solution Approach 1:
The heat exchanger is segmented into multiple independent sheets that can be removed individually. This allows cleaning and maintenance to be performed on one sheet while other sheets remain in operation, maintaining system functionality and reducing overall downtime.
Solution Approach 2:
Individual sheets or the base unit can be extracted from the system for cleaning outside the operational environment. This extraction allows thorough cleaning without requiring the entire system to be shut down, as other components continue to function.
4Ease of manufacture
If the heat exchanger is designed as a fixed unit, then manufacturing is simpler, but replacement and maintenance require full system downtime
Solution Approach 1:
The heat exchanger is manufactured as segmented sheets that can be individually produced and then assembled. This segmentation enables quick replacement of individual sheets during maintenance without requiring full system shutdown, while still allowing for standardized manufacturing processes.
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 maximizes operating time by enabling quick replacement and cleaning of the heat exchanger, reducing calcification and fouling risks, and allowing for increased output through the use of larger replacement units, while ensuring safe and energy-efficient operation.
Implementation Method 1
a heat exchanger (2), particularly for use in a distillation plant (1), comprising a mounting frame (6, 8) and a base unit (4) configured as a stack of multiple sheets (5)
Implementation Method 2
The base unit can be configured as a falling-film evaporator or a vacuum evaporator
Implementation Method 3
The base unit can be configured as a falling-film evaporator or a vacuum evaporator
Implementation Method 4
electronically by an electronic security in the form of an RFID transponder (23) or in the form of a sensor
Data Source
Figure 1
Figure 2~3
Figure 4~5
AI summary
Disclosed is a heat exchanger, in particular for use in a distillation plant, comprising a built-in frame and a main unit in the form of a stack of a plurality of metal sheets; in order to form fluid ducts, the metal sheets of the main unit have an embossing, at least one fluid duct for conducting a fluid being formed between at least two metal sheets; the main unit is replaceably arranged between a connecting portion and a counter-portion of the built-in frame, and the fluid ducts in the main unit as well as connections of the connection unit and/or connections between the connection unit and the main unit are mechanically or electronically encoded. Also disclosed are a plant and a method.