Bottling Plant Switching Liquid Paths for Hot and Cold Filling

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Solution Overview

Problem

Existing filling systems lack versatility and efficiency in handling both hot and cold filling processes for liquids, with limited flexibility in temperature control and heat recovery, which restricts their range of applications.

Innovation Solution

A bottling plant with a preheater, heater, recooler, and filler, featuring a switching option between hot and cold filling paths, and a coolant circuit that can operate as separate or connected circuits for efficient heat transfer and recovery, allowing for flexible temperature control and improved energy management.

Engineering Contradictions & Design Principles

VSEngineering Contradiction Analysis

1Adaptability or versatility

If a filling system is designed for hot filling only, then it achieves efficient hot filling operation, but it lacks versatility for cold filling applications

Engineering Contradiction:
Improvefilling temperature rangeVSAvoidliquid path configuration
Core Design Contradiction:
Adaptability or versatilityVSDevice complexity

Solution Approach 1:

The liquid path configuration is made dynamically switchable between hot filling and cold filling modes through a switching option that allows the system to adapt its structure based on operational requirements, enabling versatility without permanent complex multi-path infrastructure

Inventive Principle:
Principle #15Dynamics

Solution Approach 2:

The filling system is designed with universal capability to perform both hot filling and cold filling operations using the same core equipment, with the switching option enabling a single system to serve multiple filling temperature requirements

Inventive Principle:
Principle #6Universality (Multi-functionality)

2Loss of energy

If separate coolant circuits are used for preheater and recooler, then each circuit can be optimized independently, but heat recovery efficiency decreases

Engineering Contradiction:
Improveheat recovery efficiencyVSAvoidcoolant circuit configuration
Core Design Contradiction:
Loss of energyVSDevice complexity

Solution Approach 1:

The coolant circuits of the preheater and recooler are merged into a connected configuration where the recooler's coolant circuit feeds into the preheater's coolant circuit, enabling heat recovery from the recooler to preheat the liquid and significantly reducing energy loss

Inventive Principle:
Principle #5Merging (Combining)

Solution Approach 2:

The heat that would otherwise be wasted in the recooler's discharge is converted into a beneficial resource by routing it to the preheater, transforming energy loss into useful heat recovery that improves overall system efficiency

Inventive Principle:
Principle #22Blessing in disguise (Convert harm into benefit)

3Adaptability or versatility

If a switching option is added to enable both hot and cold filling paths, then versatility improves, but system complexity increases

Engineering Contradiction:
Improvefilling mode flexibilityVSAvoidswitching mechanism
Core Design Contradiction:
Adaptability or versatilityVSDevice complexity

Solution Approach 1:

The switching option provides dynamic reconfiguration capability that allows the liquid path to be adjusted between hot and cold filling modes, enabling the system to adapt to different operational requirements without requiring completely separate dedicated systems

Inventive Principle:
Principle #15Dynamics

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

Enables efficient hot and cold filling with enhanced energy recovery, improving the system's range of applications and operational efficiency by optimizing heat transfer and management across different filling temperatures.

Implementation Method 1

a preheater (1) for preheating the liquid

Methodology Applied
Scientific EffectHeat transfer: Heat Exchanger

Implementation Method 2

a heater (2) for heating the liquid after preheating

Methodology Applied
Scientific EffectHeat transfer: Heat Exchanger

Implementation Method 3

a recooler (3) for cooling the liquid after heating

Methodology Applied
Scientific EffectHeat transfer: Heat Exchanger

Data Source

PatentEP3509980B1Plant for heat treatment and filling uf liquids
Publication Date: 2020.08.05 KRONES AG
  • EP3509980B1 patent drawingFigure 1
  • EP3509980B1 patent drawingFigure 2
  • EP3509980B1 patent drawingFigure 3

AI summary

Bottling plant for heat-treating and bottling a liquid, comprising a pre-heater (1) for preheating the liquid, a heater (2) for heating the liquid after preheating, a cooler (3) for cooling the liquid after heating, an a filling unit (4) for bottling the liquid, wherein the bottling plant is suitable for hot bottling and cold bottling, wherein the liquid path from the pre-heater to the filling unit for hot bottling is different to the liquid path from the pre-heater to the filling unit for cold bottling, and the bottling plant includes a switching option (5) for switching between the two liquid paths; and method for heat-treating and bottling a liquid in which such a bottling plant is used.