CN114087869A

CN114087869A - Stirring paddle structure of dryer

Info

Publication number: CN114087869A
Application number: CN202111663691.XA
Authority: CN
Inventors: 余子毅; 喻坚
Original assignee: Hunan Honggong Intelligent Technology Co Ltd
Current assignee: Hunan Honggong Intelligent Technology Co Ltd
Priority date: 2021-12-31
Filing date: 2021-12-31
Publication date: 2022-02-25
Also published as: WO2023124642A1

Abstract

The invention discloses a stirring paddle structure of a dryer, which comprises a stirring shaft and blades, wherein the stirring shaft is used for being connected with a driving device; the paddle is arranged on the stirring shaft and is provided with a back inclination angle and a lifting angle. According to the stirring paddle structure of the drying machine, the materials can be effectively turned over, and the materials are uniformly heated, so that the drying efficiency is improved.

Description

Stirring paddle structure of dryer

Technical Field

The invention relates to a stirring technology of a dryer, in particular to a stirring paddle structure of the dryer.

Background

The existing drier can rapidly evaporate the moisture in the materials to realize the dehydration and drying of the materials. The desiccator includes the cauldron body, stirring rake and drive arrangement, and the internal drying chamber that is provided with of cauldron, the rotatable setting of stirring rake is on the cauldron body, and drive arrangement drive stirring rake rotates in the drying chamber and drives the material and overturn in order to do benefit to the drying of material. However, the structure of the stirring paddle of the existing drying machine is too simple, effective overturning of materials is difficult to realize, and uniform heating of the materials is not facilitated.

Disclosure of Invention

In order to overcome the defects of the prior art, the invention aims to provide a stirring paddle structure of a drying machine, which can realize effective turnover of materials and is beneficial to uniform heating of the materials so as to improve the drying efficiency.

The purpose of the invention is realized by adopting the following technical scheme:

a paddle structure of a dryer, comprising:

the stirring shaft is used for being connected with the driving device;

and the paddle is arranged on the stirring shaft and is provided with a back inclination angle and a lifting angle.

Further, the paddle is provided with a pressure relief hole.

Further, the pressure relief hole is located at the bottom of the paddle.

Further, the number of the blades is three.

Further, the motion tracks of the blades are in a common circle.

Furthermore, the included angle between any two adjacent paddles is equal in size.

Further, the bottom of the paddle is provided with a scraper.

Furthermore, an axle seat is arranged at one end of the stirring shaft, and the blades are arranged on the stirring shaft through the axle seat.

Furthermore, the shaft seat is sleeved on one end of the stirring shaft.

Furthermore, the paddle is provided with a reinforcing rib.

Compared with the prior art, the invention has the beneficial effects that:

the back inclination on the paddle can make the material do centrifugal motion to the edge of the drying cavity from the center of rotation, the lifting angle on the paddle can make the material move upwards, the combined action of the two can realize the downward motion of the central material, the centrifugal motion is made to the bottom material, the lifting motion is made to the edge material of the drying cavity, the effective overturn of the material in the drying cavity is realized, the uniform heating of the material is facilitated, and the drying efficiency is improved.

Drawings

FIG. 1 is a schematic sectional view showing a dryer according to a preferred embodiment of the present invention;

FIG. 2 is a schematic view of an angle of a paddle structure of a dryer according to a preferred embodiment of the present invention;

fig. 3 is a schematic view of another angle of the stirring paddle structure of the dryer in the preferred embodiment of the present invention.

In the figure: 1. a stirring shaft; 2. a paddle; 3. a back rake angle; 4. lifting the angle; 5. a pressure relief vent; 6. a shaft seat; 7. reinforcing ribs; 8. a drying chamber; 9. and (4) scraping the blade.

Detailed Description

Reference will now be made in detail to the present preferred embodiments of the present invention, examples of which are illustrated in the accompanying drawings, wherein like reference numerals refer to like elements throughout.

In the description of the present invention, it should be understood that the orientation or positional relationship referred to in the description of the orientation, such as the upper, lower, front, rear, left, right, etc., is based on the orientation or positional relationship shown in the drawings, and is only for convenience of description and simplification of description, and does not indicate or imply that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and thus, should not be construed as limiting the present invention.

In the description of the present invention, the plurality means one or more, the plurality means two or more, and larger, smaller, larger, etc. are understood as excluding the number, and larger, smaller, inner, etc. are understood as including the number. If the first and second are described for the purpose of distinguishing technical features, they are not to be understood as indicating or implying relative importance or implicitly indicating the number of technical features indicated or implicitly indicating the precedence of the technical features indicated.

In the description of the present invention, unless otherwise explicitly limited, terms such as arrangement, installation, connection and the like should be understood in a broad sense, and those skilled in the art can reasonably determine the specific meanings of the above terms in the present invention in combination with the specific contents of the technical solutions.

Referring to fig. 1 to 3, a preferred embodiment of the present invention provides a stirring paddle structure of a dryer, including a stirring shaft 1 and blades 2, where the stirring shaft 1 is used for connecting with a driving device; the paddle 2 is arranged on the stirring shaft 1, and the paddle 2 is provided with a back inclination angle 3 and a lifting angle 4.

On the basis of the structure, the driving device drives the stirring shaft 1 to rotate, and the stirring shaft 1 drives the blades 2 to synchronously rotate in the drying cavity 8. The back inclination 3 on the paddle 2 can make the material do centrifugal motion from the center of rotation to the 8 edges of the drying chamber, the lifting angle 4 on the paddle 2 can make the material move upwards, the combined action of the two can realize the downward motion of the central material, the centrifugal motion is made to the bottom material, the lifting motion is made to the 8 edge materials of the drying chamber, the effective overturn of the material in the drying chamber 8 is realized, the uniform heating of the material is facilitated, and the drying efficiency is improved.

When the stirring device is specifically implemented, the driving device is a motor, so that the stirring shaft 1 can be driven to effectively rotate.

In the present embodiment, the blade 2 is inclined and disposed downward with respect to the stirring shaft 1, i.e., inclined toward the bottom of the drying chamber 8, so that a lift angle 4 and a back rake angle 3 are respectively disposed on opposite sides of the blade 2, specifically, the lift angle 4 is formed on the front side of the blade 2, and the back rake angle 3 is formed on the back side of the blade 2. So set up, can do benefit to paddle 2 and the abundant contact of material and drive the effective upset of material to do benefit to the thermally equivalent of material and improve drying efficiency.

As a preferred embodiment of the present invention, it may also have the following additional technical features:

in this embodiment, be provided with pressure release hole 5 on paddle 2, can prevent effectively that the paddle 2 is plugged up to the material, increase motor load.

In this embodiment, pressure release hole 5 is located the bottom of paddle 2, can make 5 pressure release holes only release pressure, can not influence the 2 upset materials of paddle.

In other embodiments, the pressure relief holes 5 are located in the middle and/or top of the blade 2.

In this embodiment, pressure release hole 5 is quad slit and/or U-shaped hole, and the structure of reasonable setting stirring rake can do benefit to passing through of material and prevent that the paddle 2 is plugged up to the material, is favorable to improving pressure release efficiency.

In other embodiments, the pressure relief hole 5 is a circular hole, a semi-circular hole, an elliptical hole, or the like.

When concrete implementation, the quantity of paddle 2 sets up to at least two, and each paddle 2 all is circular motion around (mixing) shaft 1, can further improve the upset efficiency of material, is favorable to the thermally equivalent of material and improves drying efficiency.

In this embodiment, the movement track of each paddle 2 is the same circle, can do benefit to and carry out intensive mixing to the material to improve the upset efficiency of material, be favorable to the thermally equivalent of material and improve drying efficiency.

In this embodiment, the contained angle size between two arbitrary adjacent paddle 2 equals, can do benefit to and carry out more abundant stirring to the material to the upset efficiency of improvement material that can be better is favorable to the thermally equivalent of material and improves drying efficiency.

In this embodiment, the quantity of paddle 2 sets up to three, and the structure of reasonable stirring rake that sets up can continuously stir the material, can effectively improve the upset efficiency of material, is favorable to the thermally equivalent of material and improves drying efficiency.

In other embodiments, the number of blades 2 is set to two, four or more.

In this embodiment, 5 quantity inequality in the pressure release hole on each paddle 2, the structure of reasonable setting stirring rake still does benefit to the pressure release when carrying out intensive mixing to the material. Specifically, in the present embodiment, the three paddles 2 are three-hole paddles 2, four-hole paddles 2, and seven-hole paddles 2, respectively, that is, the number of the pressure relief holes 5 in the paddles 2 is three, four, and seven, respectively. Of course, the number of the pressure relief holes 5 on each blade 2 can be set according to actual needs.

In other embodiments, the number of pressure relief holes 5 is the same for each blade 2.

In this embodiment, the bottom of at least one paddle 2 is provided with scraper 9, is favorable to scraping the material that gathers bottom dry chamber 8 to be favorable to improving the stirring efficiency of material.

In this embodiment, one of (mixing) shaft 1 is served and is provided with axle bed 6, and the other end and the drive arrangement of (mixing) shaft 1 are connected, and each paddle 2 all sets up on (mixing) shaft 1 through axle bed 6, can do benefit to the installation of each paddle 2 fixed for (mixing) shaft 1 can drive each paddle 2 through axle bed 6 and effectively rotate in dry chamber 8.

Specifically, axle seat 6 suit is in one of (mixing) shaft 1 and is served, is favorable to effective fixed of axle seat 6 for (mixing) shaft 1 can drive axle seat 6 and effectively rotate.

In this embodiment, all be provided with strengthening rib 7 on each paddle 2, specifically, strengthening rib 7 sets up on the trailing flank of each paddle 2, is favorable to each paddle 2 to effectively stir the material.

In other embodiments, a stiffener 7 is provided on the front side of each blade 2.

The above additional technical features can be freely combined and used in superposition by those skilled in the art without conflict.

The above description is only a preferred embodiment of the present invention, and the technical solutions that achieve the objects of the present invention by basically the same means are all within the protection scope of the present invention.

Claims

1. The utility model provides a stirring rake structure of desiccator which characterized in that includes:

the stirring shaft (1) is connected with a driving device;

the paddle (2) is arranged on the stirring shaft (1), and the paddle (2) is provided with a back inclination angle (3) and a lifting angle (4).

2. The structure of the stirring paddle of the drying machine, as recited in claim 1, characterized in that the paddle (2) is provided with a pressure relief hole (5).

3. The structure of the stirring paddle of the drying machine, as recited in claim 2, characterized in that the pressure relief hole (5) is located at the bottom of the paddle (2).

4. The structure of the stirring paddle of a dryer according to claim 1, characterized in that the number of the blades (2) is set to three.

5. The structure of the stirring paddle of a dryer according to claim 4, characterized in that the motion trajectories of the paddles (2) are co-circular.

6. The structure of the stirring paddle of the drying machine, as recited in claim 4, characterized in that the included angle between any two adjacent blades (2) is equal.

7. The structure of the stirring paddle of a dryer according to claim 1, characterized in that the bottom of the paddle (2) is provided with a scraper (9).

8. The structure of the stirring paddle of the dryer according to claim 1, characterized in that the stirring shaft (1) is provided with a shaft seat (6) at one end, and the blades (2) are arranged on the stirring shaft (1) through the shaft seat (6).

9. The structure of the stirring paddle of the dryer according to claim 8, characterized in that the shaft seat (6) is sleeved on one end of the stirring shaft (1).

10. The structure of the stirring paddle of the drying machine according to claim 1, characterized in that the paddle (2) is provided with a reinforcement (7).