Boiler apparatus and method thereof
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Solution Overview
Problem
Current electric heating elements for beer brewing boilers are limited by single voltage designs, leading to either excessively long heating times at 120V or high watt density at 240V, which can result in undesirable flavor changes due to scorching and caramelization of sugars.
Innovation Solution
A dual voltage capable boiler apparatus with a heating element assembly comprising multiple coils of varying diameters and resistances, allowing for adjustable voltage through a switch, and a thick aluminum sub plate for even heat distribution, enabling operation at both 120V and 240V without changing the heating elements.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Reliability
If a single voltage design is used at 120V, then safety and availability are improved, but heating time increases excessively and boil intensity becomes very low
Solution Approach 1:
The heating element assembly incorporates a switch that allows dynamic adjustment between 120V and 240V operating modes. This enables the system to adapt its voltage level based on brewing requirements, combining the safety of 120V operation with the fast heating capability of 240V when needed.
2Productivity
If 240V is used for heating, then heating time is reduced and boil intensity is excellent, but watt density becomes too high causing scorching and caramelization
Solution Approach 1:
The heating element assembly uses multiple coils with different diameters and resistances arranged in specific configurations. This creates localized variations in heat distribution, allowing high power output for fast heating while preventing concentrated hot spots that would cause scorching and caramelization of sugars.
Solution Approach 2:
The system changes the electrical parameters (voltage and effective resistance) by switching between different coil configurations. This allows the same heating element assembly to operate at different power levels, enabling fast heating when needed while maintaining lower watt density to prevent harmful thermal effects on the beer sugars.
3Adaptability or versatility
If dual voltage capability is added, then flexibility is improved, but device complexity increases
Solution Approach 1:
Multiple heating coils with different electrical characteristics are merged into a single integrated heating element assembly. The switch connects these coils in different series/parallel configurations to achieve dual voltage capability, combining what would otherwise be separate heating elements into one unified device.
Solution Approach 2:
The heating element assembly is designed to perform multiple functions: it can operate in high-power mode for rapid heating and in low-power mode for gentle heating. A single assembly with switchable configurations replaces what would traditionally require two separate heating elements, achieving multi-functionality without proportionally increasing complexity.
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 allows for flexible voltage adjustment, reducing the risk of scorching and caramelization, providing efficient heating while maintaining flavor integrity by optimizing watt density and heating time.
Implementation Method 1
a heating element assembly comprising a first coil having a first diameter and a first resistance coupled to a sub plate
Data Source
AI summary
An improved boiler apparatus having multiple resistive heating elements are provided with fixed resistances that can be rewired to allow dual voltage capability and at the same time, reduced watt density. For 120 V operation, the large diameter 9 ohm coil is used alone to provide the lowest possible watt density. For 240 V operation, all three heating coils are wired in series, creating a low watt density but high wattage heater.