Pulse Combustor Fryer Tail Pipe Layout for Uniform Oil Heating
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Solution Overview
Problem
Conventional fryers with heat exchange parts located at the bottom of the oil bath face difficulties in cleaning and temperature uniformity, leading to poor food quality due to residue attachment and uneven heating.
Innovation Solution
A fryer design where the heat exchange part is placed along the inner surface of the oil bath, with a meandering tail pipe configuration that extends forward and backward around the cooking zone, creating a deep cold zone for residue collection and preventing temperature variations.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Power
If the heat exchange part is placed in the entire lower part of the oil bath, then heating efficiency is improved, but cleaning becomes difficult and temperature uniformity deteriorates
Solution Approach 1:
The heat exchange part is segmented into multiple sections arranged along the inner surface of the oil bath rather than placed as a single unit at the bottom. This segmentation allows the heat exchange surfaces to be distributed throughout the cooking zone, maintaining heating efficiency while creating open spaces at the bottom for easy cleaning of residues.
2Power
If the heat exchange part is placed in the lower part of the oil bath, then heating capability is improved, but temperature uniformity deteriorates
Solution Approach 1:
The heat exchange part transitions from a bottom-mounted configuration to a multi-dimensional arrangement along the inner surface of the oil bath. The heat exchange surfaces are distributed vertically and horizontally, creating multiple heating zones that work together to achieve uniform temperature distribution throughout the cooking zone, eliminating the temperature variations caused by concentrated bottom heating.
3Stability of the object's composition
If the tail pipe is placed in a meandering shape along the inner surface, then temperature uniformity is improved, but device complexity increases
Solution Approach 1:
The tail pipe is configured in a meandering shape with smooth curves along the inner surface of the oil bath. This curved, meandering path allows the exhaust gas to traverse a longer distance and distribute heat more uniformly across the cooking zone, while the continuous curved form is simpler to manufacture than a complex segmented 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
Facilitates easy cleaning and uniform heating of the cooking zone, reducing residue attachment and ensuring consistent food quality by isolating the combustion chamber in a cold zone and using the meandering tail pipes for heat exchange.
Implementation Method 1
a combustion chamber (6) provided in the oil bath (3), for combusting a gas mixture of fuel gas and air
Implementation Method 2
a tail pipe (7) through which exhaust gas is discharged from the combustion chamber (6) and serving as a heat exchange part
Implementation Method 3
The tail pipe (7) is placed in a meandering shape so as to extend forward and backward and runs in S shape at least one time along the inner surface of the oil bath (3) in a circumferential direction thereof
Data Source
AI summary
A fryer, having respective tail pipes of a pulse combustor including: a forward pipe that extends outward and obliquely upward from a left or right side surface of a combustion chamber to reach an inside of a cooking zone, and bends in a C-shape along an inner surface of an oil bath, which is divided into left and right halves, with a return pipe mutually connected to the forward pipe in a U-shape in the back side center of the oil bath. The pipe then bends in a C-shape parallel to the forward pipe along the inner surface, which is divided into left and right halves, and from the upper left or right of the combustion chamber to reach an air chamber whereby in the oil bath, a cooking zone in which cooking oil is heated by the surrounding tail pipes is formed.