Washing and sanitizing machine
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Solution Overview
Problem
Existing washing and sanitizing machines consume high energy for drying due to the need to filter, heat, and circulate air in the washing chamber.
Innovation Solution
A washing and sanitizing machine equipped with a suction fan to extract sanitizing fluids by suction, reducing the need for hot air drying, and a ventilation circuit with a control valve to compensate for the extraction with clean air, thereby minimizing energy expenditure.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Use of energy by moving object
If hot and dry air is introduced to dry objects after thermodisinfection, then drying is achieved, but energy consumption increases due to filtering, heating and circulating air
Solution Approach 1:
The patent extracts and removes the sanitizing vapour from the treatment chamber using a suction fan after the thermodisinfection cycle, rather than introducing hot dry air for drying. This extraction of vapour achieves the drying effect while avoiding the energy-intensive process of filtering, heating and circulating large amounts of air, thus resolving the contradiction between energy consumption and drying efficiency
Solution Approach 2:
The system discards the used sanitizing vapour from the chamber through the suction fan, and the ventilation circuit recovers and replaces it with clean air from the environment. This approach eliminates the need to generate and circulate hot dry air, significantly reducing energy consumption while maintaining effective drying
2Loss of energy
If sanitizing vapour is extracted by suction, then drying energy cost is reduced, but the chamber requires compensation with clean air
Solution Approach 1:
The ventilation circuit acts as an intermediary system that introduces clean air from the environment into the treatment chamber to compensate for the extracted sanitizing vapour. This mediator system balances the pressure and composition changes caused by vapour extraction, enabling energy-efficient drying without creating a vacuum or compromising chamber integrity
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 machine effectively reduces energy costs for drying by eliminating the need for hot air drying, while maintaining efficient sanitization and drying processes.
Implementation Method 1
a suction fan associated with the containment body and configured to extract, by suction, the sanitizing fluids from the treatment chamber
Implementation Method 2
Said ventilation circuit is provided with a control valve configured to control the incoming air flow
Data Source
Figure 1
Figure 2
AI summary
Washing and sanitizing machine (10) comprising a containment body (16) that internally delimits a treatment chamber (11) of objects (12), as well as a first circuit (17) for supplying washing and/or sanitizing fluids and a second circuit (18) for discharging said washing and/or sanitizing fluids.