阅读说明：本技术 干燥机 (Drying machine ) 是由 杜滨 朱秀伟 邓丽雪 张洪建 张庆磊 刘红生 于 2020-03-23 设计创作，主要内容包括：本发明提供一种干燥机,涉及物料干燥的技术领域。所述干燥机包括机体、进风通道和排风通道；所述机体内设置有用于容纳待干燥物料的容纳室,所述进风通道用于向所述容纳室内通风,所述排风通道用于从所述容纳室向外排风；所述容纳室内设置有搅拌装置,所述搅拌装置用于对待干燥物料进行搅拌。本发明提供的上述干燥机,其进风通道向容纳室内通风,将所述容纳室内部的物料扬起,形成流化状态；在该过程中,物料中的水分被汽化,并随风从排风通道排出；同时,搅拌装置对物料进行搅拌作业,将易板结的物料打散,尽可能地避免物料发生结块,从而干燥机能够持续进行干燥作业,而不至于被打断、中止干燥作业。(The invention provides a dryer, and relates to the technical field of material drying. The dryer comprises a dryer body, an air inlet channel and an air exhaust channel; the machine body is internally provided with a containing chamber for containing materials to be dried, the air inlet channel is used for ventilating the containing chamber, and the air exhaust channel is used for exhausting air from the containing chamber; the accommodating chamber is internally provided with a stirring device, and the stirring device is used for stirring materials to be dried. According to the dryer provided by the invention, the air inlet channel ventilates the accommodating chamber to lift the materials in the accommodating chamber to form a fluidized state; in the process, moisture in the materials is vaporized and is discharged from the air exhaust channel along with wind; meanwhile, the stirring device is used for stirring the materials, the materials which are easy to harden are scattered, and the materials are prevented from caking as far as possible, so that the drying machine can continuously perform drying operation without being interrupted or stopped.)

1. A drier is characterized by comprising a drier body, an air inlet channel and an air exhaust channel; the machine body is internally provided with a containing chamber for containing materials to be dried, the air inlet channel is used for ventilating the containing chamber, and the air exhaust channel is used for exhausting air from the containing chamber;

the accommodating chamber is internally provided with a stirring device, and the stirring device is used for stirring materials to be dried.

2. The drying machine as claimed in claim 1, wherein the stirring device comprises a stirring shaft and a driving mechanism, and the driving mechanism is connected with the stirring shaft and is used for driving the stirring shaft to rotate; the stirring shaft is provided with blades.

3. The drier of claim 2, wherein said blades are disposed obliquely to an axial direction of said stirring shaft.

4. The drying machine according to claim 3, wherein the angle at which the blades are inclined with respect to the axial direction of the stirring shaft is 30 to 60 degrees.

5. The drying machine as claimed in any one of claims 2 to 4, wherein the number of the blades is plural, and the plural blades are arranged on the stirring shaft in one or more spiral lines along the axial direction of the stirring shaft.

6. The drier of claim 2, wherein the stirring shaft is hollow inside to form an inner pipe, the inner pipe is connected with a first heat source through an outer pipe, and a heat exchange medium is arranged inside the inner pipe.

7. The dryer of claim 2 wherein the number of said agitation means is at least two.

8. The drying machine as claimed in claim 1, wherein the air supply duct is provided at a lower portion of the accommodating chamber, and the air discharge duct is provided at an upper portion of the accommodating chamber.

9. The drying machine as claimed in claim 8, wherein the number of the air supply passages is plural and the air supply passages are uniformly arranged at intervals.

10. The dryer of claim 1, wherein the body includes an upper case and a lower case, the receiving chamber is formed between the upper case and the lower case, and the upper case is covered on the lower case to seal the receiving chamber; the air inlet channel is arranged on the lower shell, and the air exhaust channel is arranged on the upper shell.

11. The dryer of claim 1, wherein the dryer includes a blower and a second heat source; the air blower is connected with the air inlet channel and used for blowing air to the air inlet channel; the second heat source is used for heating the gas in the air inlet channel.

12. The dryer of claim 6, wherein the dryer comprises a blower; the air blower is connected with the air inlet channel and used for blowing air to the air inlet channel;

the first heat source is also used for heating the gas in the air inlet channel.

Technical Field

The invention relates to the technical field of drying of materials, in particular to a dryer.

Background

Disclosure of Invention

The invention aims to provide a dryer which can solve the technical problems that materials are easy to agglomerate in the process of drying some materials in the prior art, the drying operation is forced to be stopped for cleaning, the drying operation efficiency is reduced, and the labor amount and the labor intensity are increased.

The invention provides a dryer, which comprises a dryer body, an air inlet channel and an air exhaust channel; the machine body is internally provided with a containing chamber for containing materials to be dried, the air inlet channel is used for ventilating the containing chamber, and the air exhaust channel is used for exhausting air from the containing chamber; the accommodating chamber is internally provided with a stirring device, and the stirring device is used for stirring materials to be dried.

The stirring device comprises a stirring shaft and a driving mechanism, wherein the driving mechanism is connected with the stirring shaft and is used for driving the stirring shaft to rotate; the stirring shaft is provided with blades.

Wherein the blades are arranged obliquely with respect to the axial direction of the stirring shaft.

Wherein the angle of the axial inclination of the blades relative to the stirring shaft is 30-60 degrees.

The number of the blades is multiple, and the blades are arranged on the stirring shaft in one or more spiral lines along the axial direction of the stirring shaft.

The stirring shaft is internally hollow to form an internal pipeline, the internal pipeline is connected with a first heat source through an external pipeline, and a heat exchange medium is arranged in the pipeline.

Wherein the number of the stirring devices is at least two.

The air inlet channel is arranged at the lower part of the accommodating chamber, and the air exhaust channel is arranged at the upper part of the accommodating chamber.

Wherein, the quantity of inlet air channel is a plurality of, and evenly sets up at interval.

The machine body comprises an upper shell and a lower shell, the accommodating chamber is formed between the upper shell and the lower shell, and the upper shell covers the lower shell to seal the accommodating chamber; the air inlet channel is arranged on the lower shell, and the air exhaust channel is arranged on the upper shell.

Wherein the dryer comprises a blower and a second heat source; the air blower is connected with the air inlet channel and used for blowing air to the air inlet channel; the second heat source is used for heating the gas in the air inlet channel.

Wherein the dryer comprises a blower; the air blower is connected with the air inlet channel and used for blowing air to the air inlet channel; the first heat source is also used for heating the gas in the air inlet channel.

Wherein, the heat source is a heat medium circulating heat exchange device or a combustion heating device.

According to the dryer provided by the invention, the air inlet channel ventilates the accommodating chamber, and air introduced into the accommodating chamber lifts materials in the accommodating chamber to form a fluidized state; in the process, on one hand, moisture in the materials is vaporized and discharged from the exhaust channel along with wind; simultaneously, when the material is raised, moisture in it is discharged by vaporization, agitating unit stirs the operation to the material, breaks up the material that easily hardens, avoids the material to take place the caking as far as possible to the desiccator can continuously carry out drying operation, and be unlikely to interrupted, stop drying operation.

Drawings

In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly described below, and it is obvious that the drawings in the following description are some embodiments of the present invention, and other drawings can be obtained by those skilled in the art without creative efforts.

Fig. 1 is a schematic structural view of a dryer according to a first embodiment of the present invention;

FIG. 2 is a schematic view of the air inlet duct of the dryer of FIG. 1;

FIG. 3 is a schematic perspective view of a stirring device of the dryer shown in FIG. 1;

FIG. 4 is a schematic side view of a stirring device of the dryer shown in FIG. 1;

FIG. 5 is a schematic structural view of a dryer according to a second embodiment of the present invention;

fig. 6 is a side view schematically showing the stirring device of the dryer shown in fig. 5.

Icon: 10-body; 11-an upper shell; 12-a lower housing; 13-a containment chamber; 2-an air inlet pipe; 20-air inlet channel; 21-a blower; 22-a heat source; 30-an exhaust channel; 40-a stirring device; 41-stirring shaft; 42-a drive mechanism; 43-a transmission mechanism; 44 a-heating medium inlet; 44 b-heating medium outlet; 410-a blade; 411-blade shaft.

Detailed Description

The following detailed description of the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings, and it is to be understood that the various embodiments described are not all embodiments of the present invention. All other embodiments, which can be derived by a person skilled in the art from the detailed description given below without inventive step, are within the scope of the invention as claimed.

The invention provides a dryer, which is combined with the following specific embodiments shown in the attached drawings 1-6, wherein the dryer comprises a dryer body 10, an air inlet channel 20 and an air exhaust channel 30; a containing chamber 13 for containing materials to be dried is arranged in the machine body 10, the air inlet channel 20 is used for ventilating the containing chamber 13, and the air exhaust channel 30 is used for exhausting air from the containing chamber 13; a stirring device 40 is arranged in the accommodating chamber 13, and the stirring device 40 is used for stirring the material to be dried.

According to the drier provided by the invention, the air inlet channel 20 ventilates the accommodating chamber 13, and the air introduced into the accommodating chamber 13 lifts the materials in the accommodating chamber 13 to form a fluidized state; in the process, on the one hand, moisture in the material is vaporized and discharged from the exhaust channel 30 along with the wind; meanwhile, when the materials are lifted and the moisture in the materials is vaporized and discharged, the stirring device 40 is used for stirring the materials, so that the materials which are easy to harden are scattered, the materials are prevented from caking as far as possible, and the drying machine can continuously perform drying operation without being interrupted or stopped.

In the first embodiment of the dryer, as shown in fig. 1 to 4, the machine body 10 includes an upper casing 11 and a lower casing 12, the housing chamber 13 is formed between the upper casing 11 and the lower casing 12, the upper casing 11 is covered on the lower casing 12, and the housing chamber 13 is sealed.

In the present embodiment, the air supply duct 20 is provided at a lower portion of the housing chamber 13, and the air discharge duct 30 is provided at an upper portion of the housing chamber 13. Thus, as for the accommodating chamber 13, air is supplied from the lower portion and air is discharged from the upper portion, and the material is blown upward by the air supplied from the lower portion and dried in the process. Specifically, in the embodiment shown in fig. 1 to 4, the air intake duct 20 is disposed on the lower case 12, and the air exhaust duct 30 is disposed on the upper case 11.

As shown in fig. 1 and 2, the lower housing 12 has a square structure, two opposite sides (i.e., left and right sides in fig. 2) of which are respectively provided with a plurality of air intake passages 20, and the plurality of air intake passages 20 of each side are spaced and uniformly arranged. The multiple air inlet channels 20 on each side are structurally represented in the form of one air inlet duct 2. That is, each side is provided with an air inlet pipe 2, one end of the air inlet pipe 2 is an inlet, and the other end is provided with a plurality of outlets which are connected to the lower shell 12 at intervals and uniformly and communicated with the accommodating chamber 13; as shown in fig. 1, the dryer further includes a blower 21 connected to an inlet of the air inlet duct 2 for blowing air into the air inlet duct 2, and the air blown into the air inlet duct 2 by the blower 21 is introduced into the accommodating chamber 13 through a plurality of outlets, thereby forming a plurality of air inlet passages 20 capable of ventilating the accommodating chamber 13.

Also, as shown in fig. 2, the housing chamber 13 is divided into two regions, and one stirring device 40 is provided in each region. And, the bottom of each region of the accommodating chamber 13 is arc-shaped, and a position where the side portion meets the outlet of the air inlet duct 2 is provided with a flow guide plate which is arranged along the arc-shaped region of the bottom portion and guides the air introduced from the air inlet duct 2 to flow along the arc-shaped region of the bottom portion into the accommodating chamber (as indicated by arrows in fig. 2). This arrangement makes it possible to make the air flow into the housing chamber 13 uniform and stable, and helps to make the material in the housing chamber 13 stably blown up to form a stable fluidized state.

In the present embodiment, the dryer further includes a heat source 22, and the heat source 22 is used for heating the gas in the air intake passage 20. As shown in fig. 1, the heat source 22 is disposed between the blower 21 and the air inlet pipe 2, and the temperature raising process of the air is completed at the front end of the air inlet channel 20. Specifically, the heat source 22 is a heat medium circulation heat exchange device or a combustion heating device; the heat medium circulating heat exchange device transfers the external heat to the gas in the air inlet channel 20, so that the temperature of the gas in the air inlet channel 20 is increased, and the gas in the air inlet channel 20 is subjected to heat exchange by taking steam, heat conduction oil and the like as heat exchange media to increase the temperature of the gas; the combustion heating device directly heats the gas in the air intake channel 20 to raise the temperature thereof, such as a natural gas pipeline burner. The air with the temperature rising in the air inlet channel 20 is introduced into the accommodating chamber 13, and in the process of blowing up the material, the moisture contained in the material is quickly vaporized, so that the material is dried.

In the present embodiment, the stirring device 40 includes a stirring shaft 41 and a driving mechanism 42, and the driving mechanism 42 is connected to the stirring shaft 41 and is configured to drive the stirring shaft 41 to rotate; the stirring shaft 41 is provided with blades 410. As shown in fig. 1, the number of the stirring devices 40 is two, and the two stirring devices 40 are arranged in parallel and are respectively provided in two regions partitioned in the accommodating chamber 13.

In the embodiment shown in fig. 1 to 4, the driving mechanism 42 is a motor, and a transmission mechanism 43 is arranged between the driving mechanism 42 and the stirring shaft 41, wherein the transmission mechanism 43 is a chain; the motor drives the stirring shaft 41 to rotate through a chain.

As shown in fig. 2 to 4, the number of the blades 410 on each stirring shaft 41 is plural, and the plural blades 410 are arranged at intervals on the stirring shaft 41. A plurality of blades 410 are provided on each stirring shaft 41 to be more sufficiently contacted with the material, so that the material can be more sufficiently stirred. As shown in the drawing, the stirring shaft 41 is provided with a plurality of blade shafts 411, the blade shafts 411 are arranged at intervals in the axial direction of the stirring shaft 41, and the blade shafts 411 are sequentially staggered in the circumferential angular direction of the stirring shaft 41, so that the blades 410 on each stirring shaft 41 are arranged along two spiral lines. Also, the blades 410 are disposed obliquely with respect to the axial direction of the stirring shaft 41. Like this at the rotation in-process of (mixing) shaft 41, blade 410 both can beat and stir the material in the circumferencial direction of (mixing) shaft 41, but also can promote the material in the axial of (mixing) shaft 41 and remove, removes the direction to the discharge end to be convenient for carry out the outside transport of material. In the embodiment shown in fig. 1 to 4, the inclination angle of the blades with respect to the axial direction of the stirring shaft is in the range of 30 to 60 degrees, and more preferably, may be in the range of 30 to 45 degrees.

It should be noted that, in other embodiments of the present embodiment, the plurality of blades 410 may also be arranged in a spiral line in the axial direction of the stirring shaft, or in a pattern of three spiral lines or more, and is not limited to the above two spiral lines.

In the above-described embodiment shown in fig. 1 to 4, the number of the stirring devices 40 in the dryer is 2, but in other embodiments of the present embodiment, the dryer further includes 3, 4, and so on more stirring devices 40, in which case the accommodating chamber 13 is divided into a plurality of regions equal to the number of the stirring devices 40, and the bottom of each region has an arc-shaped structure, that is, one unit structure as described above is formed in each region.

In the second embodiment of the dryer, as shown in fig. 5 and 6, the dryer includes a body 10, an air supply duct 20, an air discharge duct 30, and a stirring device 40, as in the first embodiment. Only the differences between this embodiment and the first embodiment described above will be described in detail, and the same parts will not be described again.

In the present embodiment, the stirring shaft 41 is hollow inside to form an inner pipe. As shown in fig. 5 and 6, the stirring shaft is provided at both ends thereof with a heating medium inlet 44a and a heating medium outlet 44b, respectively, and the heating medium inlet 44a and the heating medium outlet 44b communicate inside the stirring shaft 41, thereby forming an inner pipe. The inner pipe is connected to a heat source via an outer pipe (not shown), and a heat exchange medium is provided inside the pipe.

In the present embodiment, the heat source used is a heat medium circulation heat exchanger, and the heat exchange medium in the pipeline is a fluid substance with large heat capacity, such as steam or heat transfer oil, and when such a fluid substance enters the internal channel of the stirring shaft 41, the heating effect on the stirring shaft 41 is significant, so that the stirring shaft 41 can better exert its heating and drying effects on the material.

In the present embodiment, the arrangement makes the stirring shaft 41 not only have the function of stirring the materials, but also heat and dry the materials in the process of stirring the materials; thus, for the dryer, the drying of the material is not only effected by means of the hot air introduced into the receiving space 13, but also simultaneously by means of the stirring shaft 41.

Furthermore, the heat source connected with the pipeline is the heat source 22 which simultaneously heats the gas in the air inlet channel 20, and the heat source 22 heats the heat exchange medium in the pipeline, so that the pipeline and the air inlet channel 20 share one heat source, thereby reducing the required heat source equipment and reducing the manufacturing cost of the dryer. It will be appreciated that in this case, the heat source 22 is a heat medium circulation heat exchanger, and the heat exchange medium in the conduit is a fluid substance having a large heat capacity, such as steam or heat transfer oil.

In summary, in the above embodiment of the present invention, the air inlet channel 20 of the drying machine ventilates the accommodating chamber 13, and the air introduced into the accommodating chamber 13 lifts the material inside the accommodating chamber 13 to form a fluidized state; in the process, on one hand, moisture in the materials is vaporized and discharged from the exhaust channel along with wind; meanwhile, when the materials are lifted and the moisture in the materials is vaporized and discharged, the stirring device 40 is used for stirring the materials, so that the materials which are easy to harden are scattered, the materials are prevented from caking as far as possible, and the drying machine can continuously perform drying operation without being interrupted or stopped.

Finally, it should be noted that: the above embodiments are only used to illustrate the technical solution of the present invention, and not to limit the same; while the invention has been described in detail and with reference to the foregoing embodiments, it will be understood by those skilled in the art that: the technical solutions described in the foregoing embodiments may still be modified, or some or all of the technical features may be equivalently replaced; and the modifications or the substitutions do not make the essence of the corresponding technical solutions depart from the scope of the technical solutions of the embodiments of the present invention.