CN217636537U - Cross-flow rotary dryer - Google Patents

Abstract

The utility model discloses a cross-flow rotary dryer, which comprises a dryer body, wherein a feed inlet is arranged at the front end of the dryer body, a discharge outlet is arranged at the rear end of the dryer body, a drying cylinder is rotatably arranged in the dryer body and is matched with a driving device outside the dryer body, and a shoveling plate is fixedly arranged in the drying cylinder and is in a cylinder shape with a polygonal cross section; a plurality of groups of air inlets and air outlets are respectively arranged on the side surface and the upper surface of the machine body along the radial direction of the drying cylinder; the lower part of the machine body is provided with a base with adjustable height. The utility model discloses the structure, the intake is big, and drying efficiency is high, and the adjustment is convenient, and is little to the damage of material, and the suitability is good. Meanwhile, radial air inlet is adopted, the change of air inlet volume does not influence the movement of materials, and the controllability is good.

Description

Cross-flow rotary dryer

Technical Field

The utility model belongs to the technical field of the desiccator, concretely relates to flow through rotation desiccator.

Background

The drying machine is used for drying materials in a hot air mode and has a horizontal type and a vertical type. The structure of the existing horizontal dryer generally comprises a dryer body and a roller in the dryer body, materials move along the direction of the roller, and in order to be in contact with hot air, the existing horizontal dryer is also provided with a baffle in a hanging manner, and the baffle can lift the materials so as to be in full contact with the dry air. The drying air is divided into forward flow or reverse flow, namely the material and the hot air are introduced in the same direction or in the opposite direction.

In the prior art, the drying air is divided into forward flow or reverse flow, the drying air interferes with the traveling of materials, and the traveling speed of the materials is influenced by the air volume, so that the traveling time of the materials is greatly influenced by the air speed, and the materials can be discharged along with the air without being dried completely. The baffle form is with the material raise in order to reach the purpose with hot-blast contact, but in the raise process, the impact force that the material received is great, the easy damage, therefore this kind of mode is not suitable for needs complete but fragile material.

SUMMERY OF THE UTILITY MODEL

The utility model aims at providing a cross flow rotary dryer to solve the problem among the prior art.

The utility model discloses a realize through following technical scheme: a cross-flow rotary dryer comprises a dryer body, wherein a feed inlet is formed in the front end of the dryer body, a discharge outlet is formed in the rear end of the dryer body, a drying cylinder is rotatably arranged in the dryer body and matched with a driving device outside the dryer body, a shoveling plate is fixedly arranged in the drying cylinder, and the shoveling plate is in a cylindrical shape with a polygonal section; a plurality of groups of air inlets and air outlets are respectively arranged on the side surface and the upper surface of the machine body along the radial direction of the drying cylinder; the lower part of the machine body is provided with a base with adjustable height.

Further: the drying cylinder is arranged in the machine body through a supporting device.

Further: the supporting device comprises a fixed seat fixed with the machine body and a supporting roller screwed with the fixed seat, and the supporting roller is matched with two sides of the lower part of the drying cylinder.

Further: the shoveling plate is sleeved in the drying cylinder and is welded and fixed with the inner wall of the drying cylinder.

Further: the outside of the machine body is provided with a heat-insulating layer.

And further: the air inlet is arranged on the machine body, and the air inlet is arranged on the machine body.

The beneficial effects of the utility model are that: the utility model discloses the structure, the intake is big, and drying efficiency is high, and the adjustment is convenient, and is little to the damage of material, and the suitability is good. Meanwhile, radial air inlet is adopted, the movement of the materials cannot be influenced by the change of the air inlet amount, and the controllability is good.

Drawings

Fig. 1 is a schematic view of the overall structure of the present invention;

fig. 2 is a side half-sectional view of the present invention;

FIG. 3 is a schematic view of the shovelling plate of the present invention;

fig. 4 is a schematic side view of the present invention;

fig. 5 is a schematic view of the working principle of the present invention.

The sequence numbers in the figures illustrate: 1. the device comprises a driving device, 2, a machine body, 3, an air outlet, 4, a drying cylinder, 5, an air inlet, 6, a supporting device, 7, a base, 8, a feeding hole, 9, a discharging hole, 10, a shoveling plate, 11, a heat preservation layer, 12 and a guide plate.

Detailed Description

As shown in fig. 1-5, the present invention provides a through-flow rotary dryer, which comprises a body 2, a feed inlet 8 disposed at the front end of the body, a discharge outlet 9 disposed at the rear end of the body, a drying cylinder 4 rotatably disposed in the body, a front end of the drying cylinder matching with the feed inlet for receiving feed, and a rear end matching with the discharge outlet for discharging dried material; the drying cylinder is in a screen cylinder shape, and the upper surface of the drying cylinder is provided with a plurality of holes for ventilation; the front end of the drying cylinder is matched with the feed port 8, and the rear end of the drying cylinder is matched with the discharge port 9; the drying cylinder is matched with a driving device 1 outside the machine body and is driven to rotate (the specific connection structure is the prior art, for example, the outside of the drying cylinder is provided with a sprocket, a driving motor shaft is provided with the sprocket, and the like through chain transmission), a shoveling plate 10 is fixedly arranged inside the drying cylinder, and the shoveling plate 10 is in a screen cylinder shape with a polygonal (or similar gear shape) section; a plurality of groups of air inlets 3 and air outlets 5 are respectively arranged on the side surface and the upper surface of the machine body along the radial direction of the drying cylinder (namely the length direction of the machine body), and the positions of the air inlets and the air outlets are corresponding in the axial direction; the lower part of the machine body is provided with a base 7 with adjustable height, the lower part of the base is provided with a support column, and the inclination of the machine body and the drying cylinder can be adjusted by adjusting the height of the support column.

Preferably: the lower part of the support column is provided with an adjusting stud, the upper part of the adjusting stud is in threaded connection with the support column, the inclination of the base 7 is adjusted by adjusting the height of the adjusting stud, and then the inclination of the drying cylinder is adjusted, so that the material walking speed is controlled. The other mode is that the support column is directly connected with the base through threads, and the inclination can be adjusted by replacing the support columns with different heights.

Preferably: the drying cylinder is arranged in the machine body through a supporting device 6.

Further: the supporting device comprises a fixing seat fixed with the machine body and supporting rollers connected with the fixing seat in a rotating mode, the supporting rollers are matched with the two sides of the lower portion of the front end and the two sides of the lower portion of the rear end of the drying cylinder respectively, and the drying cylinder can be stably supported and can be guaranteed to rotate freely.

Preferably: the inner wall of the machine body between two adjacent air inlets (air outlets) is provided with a limiting ring, the outer part of the drying cylinder is provided with a rotating disk, and the rotating disk is in sliding connection and matching with the limiting ring. The rotating disc is provided with a vent hole. The rotary disk is welded outside the drying cylinder, and the effect of the rotary disk is that the wind power of each section can be concentrated, the dispersion to other positions is reduced, and the other effect is that the rotary disk and the limiting ring can act to prevent the drying cylinder from shifting when inclining.

Preferably, the following components: the shoveling plate is sleeved in the drying cylinder and is welded and fixed with the inner wall of the drying cylinder.

Preferably, the following components: the outside of the machine body is provided with a heat preservation layer 11.

Preferably, the following components: the dryer further comprises a guide plate 12, wherein the guide plate is obliquely arranged on the inner wall of the dryer body, the center height of the guide plate is consistent with the position of the axis of the drying cylinder, and the guide plate is positioned between the drum and the dryer body and is in clearance fit with the drum. The guide plate can make the hot-blast route pass through the material as far as possible and thus make drying efficiency higher.

The utility model discloses a working process as follows: the height of the support column is adjusted firstly, so that the machine body reaches a certain inclination, and the feed inlet is higher than the discharge outlet and is lower than the discharge outlet. Then start drive arrangement, drive arrangement drives the drying cylinder rotation through devices such as belt or gear, will treat the dry material and send into from the feed inlet, because the slope and the gyration of cylinder, the material is under the effect of gravity and friction force, along the upset of drying cylinder and back end operation. And opening an air outlet of the air inlet, and introducing hot air into the machine body to dry the materials. The material contacts with the inner wall of the shoveling plate in the drying process, and the polygonal shoveling plate inner wall increases the contact area with the material and improves the drying effect on the one hand, and on the other hand, the material cannot be damaged due to no large direction change and impact. The moving direction of hot air and the material is vertical, and the axial movement of the material cannot be influenced by the air quantity and the wind power, namely the drying time cannot be influenced, so that the air quantity can be simply adjusted according to the drying requirement. In addition, the drying air is in and out in a multi-section mode, the temperature of the drying air at different positions can be controlled, and therefore staged drying or cooling and the like are carried out on the materials, and the drying effect and the stability of the materials are effectively guaranteed.

To sum up, the utility model discloses in the structure, the flight can radially spread out the material gently along the cylinder, increase and hot-blast area of contact to make this structure can be used to the stoving of vulnerable materials such as domestic fungus, do not harm the material. The dried material is moved from the inlet of the dryer to the outlet in sequence by the blowing of hot air due to the inclination and rotation of the drum, and the hot air is blown from the lower part of the drum side and discharged from the upper part with the steam after passing through the dried material. The air intake is not limited by the sectional area of the roller, the hot air supply is large, the temperature, the air volume and the circulation volume can be arbitrarily set and adjusted during the drying process, and the drying time can be adjusted by adjusting the opening and closing degree of the outlet and the rotation number of the roller, so that the ideal drying effect can be adjusted. The combination of rotation and ventilation makes the structure realize the uniform drying of a large amount of materials and is suitable for drying heat sensitive materials with high water content. The hot air is changed in direction and becomes uniform in the interlayer between the drying cylinder and the shoveling plate, and then is blown to the material. The baffle plate increases the contact area of the materials and accelerates the drying. The diameter of the holes on the shoveling plate is smaller than that of the drying cylinder, so that the phenomenon of material clamping cannot be caused.

The above description is only for the preferred embodiment of the present invention, and is not intended to limit the present invention, and any modification, equivalent replacement, or improvement made within the spirit and principle of the present invention should be included within the scope of the present invention.

Claims (7)

1. The utility model provides a cross flow rotary dryer, includes the organism, is provided with the feed inlet at the front end of organism, is provided with the discharge gate in the rear end of organism, is provided with the drying cylinder in the inside rotation of organism, and the drying cylinder cooperatees its characterized in that with the outside drive arrangement of organism: a shoveling plate is fixedly arranged in the drying cylinder, and the cross section of the shoveling plate is in a polygonal cylinder shape; a plurality of groups of air inlets and air outlets are respectively arranged on the side surface and the upper surface of the machine body along the radial direction of the drying cylinder; the lower part of the machine body is provided with a base with adjustable height.

2. A flow-through rotary dryer as claimed in claim 1, wherein: the drying cylinder is arranged in the machine body through a supporting device.

3. A flow-through rotary dryer as claimed in claim 2, wherein: the supporting device comprises a fixed seat fixed with the machine body and a supporting roller screwed with the fixed seat, and the supporting roller is matched with two sides of the lower part of the drying cylinder.

4. A flow-through rotary dryer as claimed in claim 1, wherein: the shoveling plate is sleeved in the drying cylinder and is welded and fixed with the inner wall of the drying cylinder.

5. A flow-through rotary dryer as claimed in claim 1, wherein: the outside of the machine body is provided with a heat insulation layer.

6. A flow-through rotary dryer as claimed in claim 1, wherein: the air inlet is arranged on the machine body, and the air inlet is arranged on the machine body.

7. A flow-through rotary dryer as claimed in claim 1, wherein: the lower part of the base is provided with a support column, the lower part of the support column is provided with an adjusting stud, and the upper part of the adjusting stud is in threaded connection with the support column.

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