Plastic dehumidifier

By introducing a filter box and desiccant into the plastic dehumidifier, the high-temperature air is recycled, solving the energy waste problem caused by the direct emission of high-temperature air and reducing production costs.

CN223657384UActive Publication Date: 2025-12-12DONGGUAN DINGYUAN IND CO LTD
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Patent Information

Application Number
CN202423299709.4
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2024-12-30
Publication Date
2025-12-12
Estimated Expiration
2034-12-30

AI Technical Summary

Technical Problem

Existing plastic dehumidifiers directly emit high-temperature air during the drying process, resulting in energy waste and high costs.

Method used

It adopts a combination structure of drying drum, fan, filter box and desiccant, realizes the recycling of high temperature air through air duct and ventilation pipe, and uses calcium chloride as desiccant to absorb moisture, thereby reducing energy consumption.

Benefits of technology

It enables the recycling of high-temperature air, reducing energy consumption and production costs.

✦ Generated by Eureka AI based on patent content.

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    Figure CN223657384U_ABST
Patent Text Reader

Abstract

The utility model relates to the technical field of dehumidifiers, in particular to a plastic dehumidifier which comprises a drying barrel, the drying barrel is provided with a draught fan, an air pipe is communicated between the draught fan and the drying barrel, one end of the air pipe is communicated with the air outlet end of the draught fan, the other end of the air pipe is communicated with the bottom of the side wall of the drying barrel, and the draught fan is arranged on the drying barrel. The top of the drying barrel is communicated with an exhaust outlet, the exhaust outlet is communicated with a filter box, a drying agent is arranged in the filter box, an exhaust pipe is communicated between the exhaust outlet and the air inlet end of the filter box, a ventilation pipe is communicated between the air outlet end of the filter box and the air inlet end of the fan, and the drying agent is calcium chloride. The device has the effect of recycling high-temperature air.
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Description

TECHNICAL FIELD

[0001] The utility model relates to the technical field of dehumidifier, especially to a plastic dehumidifier. BACKGROUND

[0002] Plastic is a kind of macromolecular material mainly made of synthetic resin as basic raw material. It is shaped into solid material with certain shape and function by processing, and has excellent physical and chemical properties, such as insulation, corrosion resistance, wear resistance, etc. At present, the plastic raw material is prone to moisture after long-term storage, and if the damp plastic is directly taken to production, it will cause the product quality to be unqualified, so the plastic raw material needs to be dried before production.

[0003] In the plastic raw material treatment, the dehumidifier blows constant high-temperature wind into the drying barrel through the fan, and the moisture of the raw material in the barrel is taken away after baking the raw material, so as to achieve the purpose of removing the moisture contained in the raw material. The wind blown out by the fan becomes high-temperature dry hot air after being heated by electricity. However, in the drying process, the high-temperature wind is directly discharged after passing through the plastic particles, which causes serious energy waste and high cost. CONTENT OF THE UTILITY MODEL

[0004] In order to recycle the high-temperature wind, the utility model provides a plastic dehumidifier aiming at the problems of the prior art.

[0005] The utility model provides a plastic dehumidifier, adopts the following technical scheme:

[0006] A plastic dehumidifier, comprising a drying barrel, a fan, a communication pipe between the fan and the drying barrel, one end of the communication pipe communicated with the air outlet of the fan, the other end of the communication pipe communicated with the bottom of the side wall of the drying barrel, an air outlet communicated with the top of the drying barrel, a filter box communicated with the air outlet, a drying agent arranged in the filter box, an air outlet pipe between the air outlet and the air inlet of the filter box, and a ventilation pipe between the air outlet of the filter box and the air inlet of the fan.

[0007] Preferably, the drying agent is calcium chloride.

[0008] Preferably, the drying agent is in the form of particles.

[0009] Preferably, a plurality of mounting frames are arranged in the filter box, the mounting frames are arranged at intervals from the air inlet of the filter box to the air outlet of the filter box, a plurality of filter screen pipes are arranged in the mounting frames, and the drying agent is arranged in the filter screen pipes.

[0010] Preferably, one side wall of the filter box is provided with an opening, the filter box is provided with a cover, one side of the cover is rotationally connected to the outer side wall of the filter box, the cover is covered on the opening of the filter box, the outer side wall of the filter box is provided with a buckle, and the free side of the cover is provided with a hook.

[0011] Preferably, the inner wall of the filter box is provided with a plug-in groove, the plug-in groove is arranged along the direction close to or away from the opening, and the mounting frame is plug-in matched with the plug-in groove.

[0012] Preferably, the side surface of the cover facing the opening is provided with an elastic sealing gasket.

[0013] Preferably, the air outlet end of the filter box is provided with filter cloth.

[0014] Therefore, the plastic dehumidifier has at least one of the following beneficial technical effects:

[0015] When the high-temperature and high-humidity air is discharged from the air outlet, enters the filter box through the exhaust pipe, and then the dry agent absorbs the moisture in the air, the high-temperature air is sent into the drying barrel through the ventilation pipe by the fan, so that the high-temperature air is recycled, and the energy consumption and cost are reduced. BRIEF DESCRIPTION OF DRAWINGS

[0016] Fig. 1 It is a schematic diagram of the overall structure of the utility model.

[0017] Fig. 2 It is a schematic diagram of the structure of the filter box after the cover is opened.

[0018] Fig. 3 It is an exploded schematic diagram of the filter box.

[0019] In the drawing: 1, drying barrel; 11, air outlet; 12, exhaust pipe; 2, fan; 21, ventilation pipe; 22, air supply pipe; 3, filter box; 31, mounting frame; 32, filter screen pipe; 33, cover; 34, buckle; 35, plug-in groove; 36, filter cloth; DETAILED DESCRIPTION

[0020] The technical solutions in the embodiments of the utility model will be clearly and completely described below with reference to the drawings in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, rather than all the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by those skilled in the art without creative labor fall within the protection scope of the utility model.

[0021] In the description of the present application, it should be noted that the terms "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer" and the like indicate the orientation or positional relationship based on the orientation or positional relationship shown in the drawings, or the orientation or positional relationship commonly used when the product of the application is used, and are only for the convenience of describing the present application and simplifying the description, and do not indicate or imply that the device or element referred to must have a particular orientation, be constructed and operated in a particular orientation, and therefore cannot be understood as a limitation on the present application. In addition, the terms "first", "second", "third" and the like are only used to distinguish the description and cannot be understood as indicating or implying relative importance.

[0022] The utility model discloses an embodiment of a kind of plastic dehumidifier, as shown in Figs. 1-3 The utility model discloses an embodiment of a kind of plastic dehumidifier, as shown in

[0023] Meanwhile, the air outlet 11 is communicated with the filter box 3, and the air outlet 11 and the air inlet end of the filter box 3 are communicated with the exhaust pipe 12, one end of the exhaust pipe 12 is communicated with the air outlet 11, the other end of the exhaust pipe 12 is communicated with the air inlet end of the filter box 3, and the filter box 3 is provided with a drying agent, the air outlet end of the filter box 3 and the air inlet end of the fan 2 are communicated with the ventilation pipe 21, one end of the ventilation pipe 21 is communicated with the air outlet end of the filter box 3, the other end of the ventilation pipe 21 is communicated with the air inlet end of the fan 2, and the ventilation pipe 21 is a flexible pipe, when high-temperature and high-humidity air is discharged from the air outlet 11, enters the filter box 3 through the exhaust pipe 12, and then the drying agent absorbs the moisture therein, the high-temperature air is re-sent into the drying barrel 1 by the fan 2 through the ventilation pipe 21. In addition, the drying agent is calcium chloride, which has strong moisture absorption effect and durability, and is inexpensive, so it can effectively absorb moisture in the air at low cost. In addition, the drying agent is in a granular form, which allows air to pass through easily and prevents the drying agent from being blown away by the air flow. In addition, the exhaust pipe 12 and the ventilation pipe 21 are wrapped with polyurethane insulation, which reduces heat loss.

[0024] In addition, the filter box 3 is provided with a plurality of mounting frames 31, the plurality of mounting frames 31 are arranged at intervals from the air inlet end of the filter box 3 to the air outlet end of the filter box 3, a plurality of filter screen pipes 32 are arranged in the mounting frame 31, both ends of the filter screen pipe 32 are fixedly connected to the opposite two inner walls of the mounting frame 31, the drying agent is located in the filter screen pipe 32, the filter screen pipe 32 is arranged along the vertical direction of the air inlet direction of the filter box 3, a gap is arranged between the adjacent two filter screen pipes 32, the filter screen pipe 32 can constrain and fix the drying agent together, the high-temperature and high-humidity air is in contact with the drying agent when passing through the filter screen pipe 32, and the drying agent absorbs water.

[0025] Meanwhile, the top of the filter box 3 is provided with an opening, the filter box 3 is provided with a cover 33, one side of the cover 33 is hinged to the outer side wall of the filter box 3, the cover 33 is covered on the opening of the filter box 3, and the outer side wall of the filter box 3 is fixedly installed with a buckle 34, a hook is fixedly installed on the free side of the cover 33, the buckle 34 is buckled with the hook, when the drying agent needs to be replaced, an operator opens the buckle 34 to open the cover 33, then draws out the mounting frame 31, and the new mounting frame 31 is replaced with the drying agent. Meanwhile, in order to improve the sealing performance, the surface of the side, close to the opening, of the cover 33 is provided with an elastic sealing pad. In addition, the inner wall of the filter box 3 is provided with a plug-in groove 35, the plug-in groove 35 is arranged along the direction close to or away from the opening, the mounting frame 31 is plug-in matched with the plug-in groove 35, when an operator replaces the mounting frame 31, the mounting frame 31 is plug-in matched into the plug-in groove 35, then the cover 33 is covered, and the mounting frame 31 can be fixed. Meanwhile, the air outlet end of the filter box 3 is installed with filter cloth 36, the filter cloth 36 can prevent part of the pulverized drying agent from being blown out of the filter box 3 into the plastic raw material.

[0026] The implementation principle of the plastic dehumidifier is that, after an operator pours the plastic raw material into the drying barrel 1, covers the top cover, and then the fan 2 works to send the air into the drying barrel 1 through the air pipe, the electric heating pipe in the air pipe heats the air to make the air warm, the hot air enters the drying barrel 1, passes through the plastic raw material, the hot air rises to take away the moisture of the plastic raw material, so that the plastic raw material is dried, and then is discharged from the air outlet 11, when the high-temperature and high-humidity air is discharged from the air outlet 11, enters the filter box 3 through the air exhaust pipe 12, the drying agent absorbs the moisture in the air, and then the high-temperature air is sent into the drying barrel 1 by the fan 2 through the ventilation pipe 21, so that the high-temperature air is circularly used, and the energy consumption and cost are reduced.

[0027] The above is only the preferred embodiment of the present application, and does not limit the present application in any form. Although the present application is disclosed as above in the preferred embodiment, it is not intended to limit the present application. Any skilled person in the art can make some changes or modifications to the disclosed technical content without departing from the technical solution of the present application, and any equivalent embodiment with equivalent changes is equivalent to the above embodiment. Any simple modification, equivalent change and modification of the above embodiment according to the present application technical solution are within the scope of the present application technical solution.

Claims

1. A plastic dehumidifier, characterized in that: The device includes a drying barrel (1), which is connected to a fan (2). An air supply pipe (22) is connected between the fan (2) and the drying barrel (1). One end of the air supply pipe (22) is connected to the air outlet of the fan (2), and the other end of the air supply pipe (22) is connected to the bottom of the side wall of the drying barrel (1). An exhaust port (11) is provided on the top of the drying barrel (1). The exhaust port (11) is connected to a filter box (3). A desiccant is provided inside the filter box (3). An exhaust pipe (12) is connected between the exhaust port (11) and the air inlet of the filter box (3). A ventilation pipe (21) is connected between the air outlet of the filter box (3) and the air inlet of the fan (2). The filter box (3) is provided with multiple mounting frames (31), which are arranged at intervals from the air inlet end to the air outlet end of the filter box (3). Multiple filter screen tubes (32) are provided in the mounting frames (31), and the desiccant is located in the filter screen tubes (32). The filter box (3) has an opening on one side wall and a cover (33) on the filter box (3). One side of the cover (33) is rotatably connected to the outer side wall of the filter box (3). The cover (33) covers the opening of the filter box (3). The outer side wall of the filter box (3) is provided with a buckle (34). The free side of the cover (33) is provided with a hook. The buckle (34) is engaged with the hook. The inner wall of the filter box (3) is provided with a plug groove (35), which is arranged in a direction close to or away from the opening, and the mounting frame (31) is plugged into the plug groove (35).

2. A plastic dehumidifier according to claim 1, characterized in that: The desiccant is calcium chloride.

3. A plastic dehumidifier according to claim 2, characterized in that: The desiccant is in granular form.

4. A plastic dehumidifier according to claim 1, characterized in that: The cover (33) has an elastic sealing gasket on the side surface facing the opening.

5. A plastic dehumidifier according to claim 1, characterized in that: The air outlet of the filter box (3) is provided with a filter cloth (36).