Heat energy recovery device of drying machine

By designing a heat recovery device for the dryer, the problems of hot air waste and high energy consumption were solved, and the recycling of heat energy and reduction of energy consumption were achieved.

CN223706057UActive Publication Date: 2025-12-23SHENZHEN ZHONGSHI MASCH EQUIP CO LTD
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Patent Information

Application Number
CN202423272493.2
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2024-12-26
Publication Date
2025-12-23
Estimated Expiration
2034-12-26

AI Technical Summary

Technical Problem

Existing dryers discharge hot air containing moisture and impurities as waste gas, wasting resources and damaging the environment, resulting in high energy consumption.

Method used

Design a heat recovery device for a dryer. The device filters and recovers the hot air from the dryer through a hot air outlet component, a hot air recovery filter component, and an exhaust component, and then re-inputs the hot air into the dryer for reuse, thereby achieving heat energy recycling.

Benefits of technology

This reduces the energy consumption of the dryer and achieves economic benefits through energy conservation and environmental protection.

✦ Generated by Eureka AI based on patent content.

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    Figure CN223706057U_ABST
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Abstract

The utility model discloses a dryer heat energy recovery device which comprises a hot air outlet assembly, a hot air recovery filter assembly, a hot air loop assembly and an exhaust assembly. The two ends of the hot air outlet assembly communicate with an air inlet of the hot air recycling and filtering assembly and an air outlet of the drying machine correspondingly, and the two ends of the hot air loop assembly communicate with an air outlet of the hot air recycling and filtering assembly and an air inlet of the drying machine correspondingly. The air outlet of the dryer is connected to the dryer heat energy recovery device so as to recycle heat energy, the dryer heat energy recovery device is provided with the hot air recovery filtering assembly which is used for filtering impurities (such as cilia) in waste heat, and filtered hot flow steam is input into the dryer again so as to recycle the heat energy. The energy consumption of the dryer in the working process is greatly reduced, and the dryer is energy-saving, environment-friendly and remarkable in economic benefit.
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Description

TECHNICAL FIELD

[0001] The utility model relates to a heat energy recovery device, especially relates to a dryer heat energy recovery device. BACKGROUND

[0002] The existing laundry dryer is mostly through steam heating, the air is input through the air inlet, the air is heated through the steam coil, the hot air is used to dry the linen in the closed space, at this time, the hot air in the dryer box usually contains a large amount of water vapor, hair and other impurities, which is usually discharged from the dryer through the exhaust port, and the dryer inhales fresh cold air. Obviously, the heat released as exhaust gas not only wastes resources, but also destroys the surrounding environment, and because the heat energy is not effectively utilized, the dryer consumes a lot of energy during operation.

[0003] Therefore, the prior art has defects and needs to be improved. INVENTION CONTENTS

[0004] The utility model solves the technical problem that the existing dryer discharges the hot air flow containing water vapor and impurities as exhaust gas, which not only wastes resources but also destroys the surrounding environment, and because the heat energy is not effectively utilized, the dryer consumes a lot of energy during operation.

[0005] The technical scheme of the utility model is as follows: a dryer heat energy recovery device is provided, which comprises: a hot air outlet assembly, a hot air recovery and filtration assembly, a hot air loop assembly and an exhaust assembly; the two ends of the hot air outlet assembly are respectively communicated with the air inlet of the hot air recovery and filtration assembly and the air outlet of the dryer, and the two ends of the hot air loop assembly are respectively communicated with the air outlet of the hot air recovery and filtration assembly and the air inlet of the dryer; the exhaust assembly comprises: a first exhaust duct communicated with the exhaust port of the dryer, a second exhaust duct communicated with the exhaust port of the hot air recovery and filtration assembly, a first baffle for blocking the first exhaust duct and a second baffle for blocking the second exhaust duct. The hot air of the dryer is discharged through the air outlet to the hot air outlet assembly, and then reaches the hot air recovery and filtration assembly for filtration, the impurities in the hot air are filtered, and after the filtration is finished, the hot air is input to the dryer again through the hot air loop assembly, so that the heat energy is recovered. The exhaust assembly is used to discharge the hot air as soon as possible when stopping working.

[0006] Further, the first exhaust duct and the second exhaust duct share one exhaust port; the first baffle and the second baffle are the same rotating baffle, and the rotating baffle realizes blocking the first exhaust duct and the second exhaust duct respectively through one rotating shaft. One rotating baffle is adopted, which can save cost.

[0007] Further, the air inlet of the hot air recycling filtering assembly is arranged at the top of the hot air recycling filtering assembly.

[0008] Further, the second air outlet channel is arranged at the bottom of the hot air recycling filtering assembly.

[0009] With the above scheme, the dryer heat energy recycling device is provided, which recycles the waste heat steam generated in the working process of the dryer, provides the filtered steam to the dryer for continuous use to achieve recycling and utilization of heat energy. The air outlet of the dryer is connected to the dryer heat energy recycling device to realize recycling and utilization of heat energy. The dryer heat energy recycling device is provided with a hot air recycling filtering assembly for filtering impurities (such as hair) in the waste heat, and the filtered hot steam is input into the dryer again to realize recycling and utilization of heat energy, so that the energy consumption of the dryer in the working process is greatly reduced, energy saving and environmental protection are realized, and remarkable economic benefits are achieved. BRIEF DESCRIPTION OF DRAWINGS

[0010] Figure 1 is a structural schematic view of an embodiment of the utility model;

[0011] Figure 2 is Figure 1 is a structural schematic view of another view angle of the embodiment;

[0012] Figure 3 is Figure 1 is a structural schematic view of still another view angle of the embodiment. DETAILED DESCRIPTION

[0013] The utility model will be explained in detail in combination with the drawings and specific embodiments.

[0014] Please refer to Figures 1-3 The embodiment provides a dryer heat energy recycling device, which comprises a hot air outlet assembly 10, a hot air recycling filtering assembly 11, a hot air loop assembly 12 and an air outlet assembly. The two ends of the hot air outlet assembly 10 are respectively communicated with the air inlet of the hot air recycling filtering assembly 11 and the air outlet of the dryer. The two ends of the hot air loop assembly 12 are respectively communicated with the air outlet of the hot air recycling filtering assembly 11 and the air inlet of the dryer. The air outlet assembly comprises a first air outlet channel 13 communicated with the air outlet of the dryer, a second air outlet channel 14 communicated with the air outlet of the hot air recycling filtering assembly 11, a first baffle for blocking the first air outlet channel 13 and a second baffle for blocking the second air outlet channel 14.

[0015] In the embodiment, the first exhaust duct 13 and the second exhaust duct 14 share one exhaust port; the first baffle and the second baffle are the same rotating baffle 15, and the rotating baffle 15 realizes the plugging of the first exhaust duct 13 and the second exhaust duct 14 respectively through a rotating shaft 16.

[0016] In the embodiment, the air inlet of the hot air recycling and filtering assembly 11 is arranged at the top of the hot air recycling and filtering assembly 11.

[0017] In the embodiment, the second exhaust duct 14 is arranged at the bottom of the hot air recycling and filtering assembly 11.

[0018] In conclusion, the dryer heat energy recycling device provided by the utility model recycles the waste heat steam generated in the working process of the dryer, provides the dryer for continuous use after recycling and filtering of the recycling and filtering assembly, and realizes recycling and utilization of heat energy. The dryer heat energy recycling device is connected to the dryer outlet to realize recycling and utilization of heat energy, the dryer heat energy recycling device is provided with a hot air recycling and filtering assembly for filtering impurities (such as hair) in the waste heat, the filtered hot flow steam is input into the dryer again to realize recycling and utilization of heat energy, the energy consumption of the dryer in the working process is greatly reduced, energy saving and environmental protection are realized, and remarkable economic benefits are obtained.

[0019] The above is only a preferred embodiment of the utility model, and is not used for limiting the utility model, and any modification, equivalent replacement and improvement within the spirit and principle of the utility model should be included in the protection scope of the utility model.

Claims

1. A heat recovery device for a dryer, characterized in that, include: The system includes a hot air outlet assembly, a hot air recovery filter assembly, a hot air circuit assembly, and an exhaust assembly. The two ends of the hot air outlet assembly are connected to the air inlet of the hot air recovery filter assembly and the air outlet of the dryer, respectively. The two ends of the hot air circuit assembly are connected to the air outlet of the hot air recovery filter assembly and the air inlet of the dryer, respectively. The exhaust assembly includes: a first exhaust duct connected to the exhaust outlet of the dryer; a second exhaust duct connected to the exhaust outlet of the hot air recovery filter assembly; a first baffle for blocking the first exhaust duct; and a second baffle for blocking the second exhaust duct.

2. The heat recovery device for a dryer according to claim 1, characterized in that, The first and second exhaust ducts share a common exhaust port; the first and second baffles are the same rotating baffle, which blocks the first and second exhaust ducts respectively through a rotating shaft.

3. The heat recovery device for a dryer according to claim 1, characterized in that, The air inlet of the hot air recovery filter assembly is located at the top of the hot air recovery filter assembly.

4. The heat recovery device for a dryer according to claim 1, characterized in that, The second exhaust duct is located at the bottom of the hot air recovery filter assembly.