CN220198216U - Hot air dryer - Google Patents

Abstract

The utility model discloses a hot air dryer which comprises a barrel body provided with a discharge hole and a feed hole, an upper material distributing plate, a lower material distributing plate and an air guide channel, wherein the upper material distributing plates are horizontally arranged at intervals, the lower material distributing plates are horizontally arranged at intervals, the upper material distributing plates and the lower material distributing plates are alternately staggered up and down, an upper exhaust hole is arranged on the barrel body, a lower air inlet is arranged at the lower part of the barrel body, the lower air inlet surrounds the barrel body, a first filter screen is arranged on the inner wall of the barrel body, the lower air inlet is blocked by the first filter screen, the air guide channel is communicated with the lower air inlet, and an air inlet pipe is arranged on the air guide channel. The utility model can simultaneously process the drying of a large amount of materials, and improves the drying throughput and the drying efficiency.

Description

Hot air dryer

Technical Field

The utility model relates to the technical field of drying equipment, in particular to a hot air dryer.

Background

The hot air dryer is a mechanical device for reducing moisture by blowing the surface of a material with heat provided by hot air. The pellets fed into the injection molding machine need to be dried prior to the injection molding process to reduce the moisture content in the pellets. The utility model with the application number of 201922186153.0 discloses a high-temperature hot air circulation dryer, which is characterized in that the discharging speed is delayed by arranging inclined plates in a drying tank at intervals up and down, and the drying capacity of the surface of a material is enhanced.

Disclosure of Invention

The utility model aims to overcome the defects of the prior art and provides a hot air dryer capable of processing a large amount of materials.

The aim of the utility model is achieved by the following technical scheme: the novel air inlet device comprises a barrel, a feeding hole is formed in the top of the barrel, a discharging hole is formed in the bottom of the barrel, a plurality of upper distributing plates and lower distributing plates are arranged in the barrel at intervals, the upper distributing plates are arranged at intervals horizontally, the lower distributing plates are arranged at intervals horizontally, the upper distributing plates and the lower distributing plates are alternately staggered up and down, an upper exhaust port is formed in the barrel, a lower air inlet is formed in the lower portion of the barrel, the lower air inlet surrounds the barrel, a first filter screen is arranged on the inner wall of the barrel, the first filter screen is used for plugging the lower air inlet, an air guide channel is formed in the lower portion of the barrel, the air guide channel is communicated with the lower air inlet, and an air inlet pipe is arranged on the air guide channel.

Further, the outer cylinder wall is arranged outside the cylinder body, the outer cylinder wall and the cylinder body form a jacket structure, an upper air inlet is formed in the upper portion of the outer cylinder wall, a lower air outlet is formed in the lower portion of the outer cylinder wall, a fan is arranged outside the cylinder body, the air inlet end of the fan is communicated with the upper air outlet, the air outlet end of the fan is communicated with the upper air inlet, a second filter screen is arranged on the inner wall of the cylinder body, and the second filter screen is used for blocking the upper air outlet.

Further, the top surface of the upper material distributing plate is V-shaped, and the top surface of the lower material distributing plate is inverted V-shaped.

Further, the cylinder body is cuboid, and the upper material distributing plate and the lower material distributing plate are positioned between the upper air outlet and the lower air inlet.

The utility model has the following advantages: by designing a plurality of upper distributing plates and lower distributing plates, a large amount of materials are scattered, dried, polymerized and scattered and dried, compared with single-strand falling of an inclined plate structure in the prior art, the device can disperse the large amount of materials into multiple strands from the whole body, and greatly improves the drying treatment capacity and the drying efficiency; the jacket structure can maximally utilize the waste heat of the discharged hot air, so that the energy is greatly saved.

Drawings

FIG. 1 is a schematic elevational cross-sectional view of the present utility model;

fig. 2 is a schematic side sectional structure of the present utility model.

In the figure, 1, a cylinder; 2. feeding a material separating plate; 3. a lower distributing plate; 4. an upper exhaust port; 5. a second filter screen; 6. a discharge port; 7. an air guide channel; 8. a lower air inlet; 9. a first filter screen; 10. an air inlet pipe; 11. an outer cylinder wall; 12. an upper air inlet; 13. a blower; 14. a lower exhaust port; 15. and a feed inlet.

Detailed Description

For the purpose of making the objects, technical solutions and advantages of the embodiments of the present utility model more apparent, the technical solutions of the embodiments of the present utility model will be clearly and completely described below with reference to the accompanying drawings in the embodiments of the present utility model, and it is apparent that the described embodiments are some embodiments of the present utility model, but not all embodiments. The components of the embodiments of the present utility model generally described and illustrated in the figures herein may be arranged and designed in a wide variety of different configurations.

Thus, the following detailed description of the embodiments of the utility model, as presented in the figures, is not intended to limit the scope of the utility model, as claimed, but is merely representative of selected embodiments of the utility model. All other embodiments, based on the embodiments of the utility model, which are apparent to those of ordinary skill in the art without inventive faculty, are intended to be within the scope of the utility model.

In the description of the present utility model, it should also be noted that, unless explicitly specified and limited otherwise, the terms "disposed," "mounted," "connected," and "connected" are to be construed broadly, and may be, for example, fixedly connected, detachably connected, or integrally connected; can be mechanically or electrically connected; can be directly connected or indirectly connected through an intermediate medium, and can be communication between two elements. The specific meaning of the above terms in the present utility model will be understood in specific cases by those of ordinary skill in the art.

As shown in fig. 1 and 2, the hot air dryer comprises a cuboid barrel 1, a feed inlet 15 is formed in the top of the barrel 1, a collecting hopper can be installed on the feed inlet 15, a discharge outlet 6 is formed in the bottom of the barrel 1, a plurality of upper distributing plates 2 and lower distributing plates 3 are arranged in the barrel 1, 4 single-layer upper distributing plates 2 are arranged in a horizontal interval manner, 3 single-layer lower distributing plates 3 are arranged in a horizontal interval manner, two single-layer upper distributing plates 2 are arranged in a horizontal interval manner, the upper distributing plates 2 and the lower distributing plates 3 are alternately staggered up and down, the top surface of the upper distributing plates 2 is V-shaped, the top surface of the lower distributing plates 3 is inverted V-shaped, the upper distributing plates 2 and the lower distributing plates 3 are positioned between an upper exhaust port 4 and a lower air inlet 8, the barrel 1 is provided with an upper exhaust port 4, a second filter screen 5 is installed at the upper exhaust port 4, the lower air inlet 8 is formed in the lower portion of the cylinder body 1, the lower air inlet 8 surrounds the cylinder body 1, a first filter screen 9 is arranged at the lower air inlet 8, the lower air inlet 8 is blocked by the first filter screen 9, an outer cylinder wall 11 and an air guide channel 7 are arranged outside the cylinder body 1, the outer cylinder wall 11 and the cylinder body 1 form a jacket structure, the air guide channel 7 is located below the outer cylinder wall 11, the outer cylinder wall 11 and the air guide channel 7 are respectively in sealing welding with the cylinder body 1, the air guide channel 7 is communicated with the lower air inlet 8, an air inlet pipe 10 is arranged on the air guide channel 7, the air inlet pipe 10 is connected with an air outlet of an electric heating fan, an upper air inlet 12 is formed in the upper portion of the outer cylinder wall 11, a lower air outlet 14 is formed in the lower portion of the outer cylinder wall 11, a fan 13 is fixedly connected with the air inlet end of the air inlet 1 through a support plate bolt, the air outlet end of the air fan 13 is communicated with the upper air inlet 12.

The working principle of the utility model is as follows: the granular materials are input from the feeding hole at the top and are scattered by the upper material distributing plate and the lower material distributing plate respectively in the falling process, and then are polymerized and scattered, so that hot air can fully contact the surface of the materials, and the drying capacity is improved; because the horizontal plate can cause a small amount of materials to be accumulated between the upper material distributing plate and the lower material distributing plate, the top surfaces of the upper material distributing plate and the lower material distributing plate are designed into an inclined surface structure, and the materials slide on the upper material distributing plate and the lower material distributing plate, so that the problem of accumulation of partial materials is solved; the hot air enters the cylinder body through the air inlet pipe and the air guide channel by an external heating fan, and the surrounding lower air inlet is beneficial to diffusing the hot air to accelerate the drying efficiency; the jacket structure formed by the outer cylinder wall is arranged outside the cylinder body, so that hot air exhausted from the top can be used for maintaining the temperature in the cylinder body, and the energy utilization efficiency is improved.

Although the present utility model has been described with reference to the foregoing embodiments, it will be apparent to those skilled in the art that modifications may be made to the embodiments described, or equivalents may be substituted for elements thereof, and any modifications, equivalents, improvements and changes may be made without departing from the spirit and principles of the present utility model.

Claims (4)

1. The utility model provides a hot air dryer, includes barrel (1), the top of barrel (1) is provided with feed inlet (15), the bottom of barrel (1) is provided with discharge gate (6), its characterized in that: be provided with a plurality of last flitch (2) and lower flitch (3) in barrel (1), go up horizontal interval arrangement setting between flitch (2), horizontal interval arrangement setting between lower flitch (3), go up flitch (2) with alternate dislocation from top to bottom of lower flitch (3), be provided with on barrel (1) gas vent (4), barrel (1) lower part is provided with down air inlet (8), down air inlet (8) encircle barrel (1), barrel (1) inner wall is provided with first filter screen (9), first filter screen (9) shutoff down air inlet (8), barrel (1) lower part is provided with air guide channel (7), air guide channel (7) intercommunication air inlet (8) down, be provided with intake pipe (10) on air guide channel (7).

2. The hot air dryer according to claim 1, wherein: the novel air-conditioning device is characterized in that an outer cylinder wall (11) is arranged outside the cylinder body (1), the outer cylinder wall (11) and the cylinder body (1) form a jacket structure, an upper air inlet (12) is formed in the upper portion of the outer cylinder wall (11), a lower air outlet (14) is formed in the lower portion of the outer cylinder wall (11), a fan (13) is arranged outside the cylinder body (1), the air inlet end of the fan (13) is communicated with the upper air outlet (4), the air outlet end of the fan (13) is communicated with the upper air inlet (12), a second filter screen (5) is arranged on the inner wall of the cylinder body (1), and the second filter screen (5) is used for sealing the upper air outlet (4).

3. The hot air dryer according to claim 1, wherein: the top surface of the upper material distributing plate (2) is in a V shape, and the top surface of the lower material distributing plate (3) is in an inverted V shape.

4. The hot air dryer according to claim 1, wherein: the cylinder body (1) is cuboid, and the upper material distributing plate (2) and the lower material distributing plate (3) are positioned between the upper air outlet (4) and the lower air inlet (8).