Drying Machine Air Recirculation to Reduce Energy Consumption
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Solution Overview
Problem
Existing drying machines have high energy consumption and low drying efficiency due to the lack of air recirculation and uneven temperature distribution.
Innovation Solution
A drying machine design that includes a blower with a wind inlet connected to both the circulation port and outside, allowing post-drying air to be reintroduced into the heating cavity, and multiple hot wind outlet holes on side partition plates for even air distribution, along with a heating shell and back cover plate for energy efficiency and heat preservation.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Productivity
If post-drying air is discharged directly through gaps between glass doors, then the drying function is achieved, but energy consumption is high and drying efficiency is low
Solution Approach 1:
The patent recovers post-drying air that would otherwise be discarded through the air discharge port and gaps. The blower draws this exhaust air back into the drying cavity, creating a circulation system that reuses thermal energy and maintains consistent drying temperature, thereby reducing energy consumption while improving drying efficiency
Solution Approach 2:
The patent establishes continuous air circulation within the drying cavity through the blower system. Air continuously flows from the drying cavity through the air discharge port and is recirculated back, ensuring continuous useful thermal action without interruption, which improves drying efficiency and reduces energy waste
2Temperature
If hot air is introduced directly into the drying cavity, then drying function is achieved, but temperature distribution is uneven
Solution Approach 1:
The patent segments the hot air introduction through multiple hot wind outlet holes distributed across different locations in the drying cavity. This segmentation allows hot air to be introduced at multiple points simultaneously, creating more uniform temperature distribution throughout the cavity while maintaining effective drying efficiency
Solution Approach 2:
The patent applies local quality by positioning hot wind outlet holes at specific locations (front, rear, left, and right sides) to create localized heating zones that collectively achieve uniform overall temperature distribution. Each location receives targeted hot air supply according to its specific thermal needs
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
Reduces energy consumption and improves drying efficiency by recirculating hot air and ensuring even temperature distribution, while the back cover plate preheats incoming air, further saving energy.
Implementation Method 1
a heating device (3) arranged in the heating cavity (102)... a blower (4)... a wind outlet (4b) communicated with the heating wind inlet (105) of the heating cavity (102), so that the hot air from the drying cavity (101) enters the heating cavity (102) through the blower (4)
Implementation Method 2
the back cover plate preheats incoming air, further saving energy
Implementation Method 3
the wind inlet (4a) of the blower (4) is communicated with both the circulation port (104) and the outside, and the wind outlet (4b) of the blower is communicated with the heating wind inlet (105) of the heating cavity (102)
Data Source
AI summary
The present invention discloses a drying machine, comprising a shell, a door body, a heating device and a blower. A wind inlet of the blower is communicated with a circulation port and the outside simultaneously, a wind outlet of the blower is communicated with a heating wind inlet of a heating cavity, so that the hot air in the drying cavity can enter the drying cavity again after entering the heating cavity through the blower. The post-drying hot air is reintroduced into the heating cavity through the blower, the wind inlet of the blower is communicated with outside at the same time, and new air can be introduced from the outside, so that the hot air with a large amount of water vapors in the drying cavity can be discharged from the air discharge port, which can greatly reduce the energy consumption and improve the work efficiency of drying.