Drying module and washing and drying integrated machine

The drying module in washer-dryer machines addresses low dehumidification efficiency and high power consumption by integrating modules for moisture absorption, desorption, and condensation, improving drying efficiency and reducing energy use.

EP4575074A1Pending Publication Date: 2025-06-25NANJING ROBOROCK INNOVATION TECH CO LTD
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Patent Information

Application Number
EP2023858555
Authority / Receiving Office
EP · EP
Patent Type
Applications
Current Assignee / Owner
Priority Date
2022-08-31
Filing Date
2023-02-21
Publication Date
2025-06-25

AI Technical Summary

Technical Problem

Existing washer-dryer machines suffer from low dehumidification efficiency and high power consumption due to the need for repeated heating-cooling and dehumidification-reheating of air flows containing high moisture content.

Method used

A drying module comprising a circulation module, dehumidification module, regeneration module, and condensation module, which work together to absorb, desorb, and condense moisture from air flows, restoring moisture absorption capability and reducing energy consumption.

Benefits of technology

The integrated module enhances dehumidification efficiency and reduces power consumption by effectively managing moisture absorption and desorption processes, leading to faster drying times and lower energy use.

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Abstract

A drying module and a washing and drying integrated machine. A wet circulating air flow from a drum is conveyed by means of a circulation module (3) to a dehumidification module (1) for drying, and the dehumidification module (1) adsorbs moisture from the wet circulating air flow from the drum, such that a dry circulating air flow is outputted to the drum. A regeneration module (2) enables a dry regenerated air flow to be outputted to the dehumidification module (1) so that at least a part of the dehumidification module (1) desorbs moisture and regains a moisture adsorption capacity. A condensation module (4) is used for condensing the regenerated air flow, which is outputted by the regeneration module (2), so as to form a low-temperature dry regenerated air flow. Condensate water formed during condensation is discharged. The dehumidification module (1), the circulation module (3) and the condensation module (4) are modules independent of each other, and the dehumidification module (1) is respectively connected and fixed to the circulation module (3) and the condensation module (4) to form an integrated module, which can be conveniently dismounted from and mounted on a rack, and can also serve as a separate device for drying air.
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