CN214950234U

CN214950234U - Granular material drying device

Info

Publication number: CN214950234U
Application number: CN202121138479.7U
Authority: CN
Inventors: 汤慧鑫; 汤世国
Original assignee: Hunan Liuyang City Zeming Thermal Equipment Co ltd
Current assignee: Hunan Liuyang City Zeming Thermal Equipment Co ltd
Priority date: 2021-05-26
Filing date: 2021-05-26
Publication date: 2021-11-30
Anticipated expiration: 2031-05-26

Abstract

The utility model discloses a granular material drying device, which comprises an air source heat pump and at least one drying unit, wherein each drying unit comprises a storage cavity for stacking granular materials, the top of the storage cavity is provided with a feed inlet, and the bottom of the storage cavity is provided with a discharge outlet; the device also comprises a closed air chamber, the air source heat pump sends hot air into the air chamber, the side surface of the air chamber is adjacent to the side surface of the material storage chamber, and ventilation holes are distributed on the adjacent surface of the air chamber and the material storage chamber. The air cavity forms a semi-open static pressure air cavity, hot air entering the air cavity is gathered to certain pressure in the air cavity and then uniformly enters the material storage cavity along the ventilation holes on the adjacent surface to synchronously dry the materials; meanwhile, the existing flat spreading mode of the materials is changed into a three-dimensional stacking mode, so that the space utilization rate of the drying chamber is greatly improved; and the feeding and discharging mode of the upper feeding and the lower discharging is convenient to realize automation, the feeding and the discharging are convenient, the labor load is small, the equipment cost is low, and the energy consumption is low.

Description

Granular material drying device

Technical Field

The utility model relates to a material drying equipment.

Background

In the prior art, in the drying treatment of granular materials such as tea seeds, peanuts and the like, in order to ensure the synchronism of the whole granular drying, the modes of spreading and stacking the materials or repeatedly turning over the materials and the like are required. The drying chamber has low space utilization rate due to the spreading and stacking of materials; the labor load of manual turning is large, and the equipment cost is increased by mechanical turning; meanwhile, the above modes have the problem of inconvenient feeding and discharging.

SUMMERY OF THE UTILITY MODEL

In order to solve the defects, the utility model aims to solve the technical problem that a drying device for drying treatment of granular materials is provided, not only can ensure the synchronism of the drying of the granular materials, but also has high space utilization rate of the drying chamber. In order to solve the technical problem, the utility model adopts the technical scheme that the drying device for the granular materials comprises an air source heat pump and is characterized in that the drying device comprises at least one drying unit, each drying unit comprises a storage cavity for stacking the granular materials, a feeding hole is arranged at the upper part of the storage cavity, and a discharging hole is arranged at the bottom of the storage cavity; the device also comprises an air chamber, wherein the air source heat pump sends hot air into the air chamber, the side surface of the air chamber is adjacent to the side surface of the material storage chamber, and ventilation holes are distributed on the adjacent surface of the air chamber and the material storage chamber.

The utility model has the advantages that by adopting the technical scheme, after the granular materials are added into the material storage cavity, the air cavity forms a semi-open static pressure air cavity due to the large wind resistance caused by the dense stacking property of the material granules; hot air heated by the condenser is dispersed at all positions of the air cavity, the hot air entering the air cavity uniformly enters the material storage cavity along the ventilation holes on the adjacent surface under the pushing of the dynamic pressure of the fan, the process of passing the slow-blocking hot air of the material is also the process of heating and drying the material by the hot air, and the whole material is synchronously dried; meanwhile, the existing flat spreading mode of the materials is changed into a three-dimensional stacking mode, so that the space utilization rate of the drying chamber is greatly improved; and the feeding and discharging mode of the upper feeding and the lower discharging is convenient to realize automation, the feeding and the discharging are convenient, the labor load is small, the equipment cost is low, and the energy consumption is low.

Preferably, the abutment surface is in the form of a fence structure, the gaps between the fences being smaller than the particle size of the particulate material.

Preferably, the storage cavities are arranged on two sides of the wind cavity. Is beneficial to the utilization of heat energy. As a further structure optimization, the air cavity and the material storage cavity are arranged on the platform, and the air source heat pump sends hot air into the air cavity through an air channel below the platform.

Preferably, the storage chamber is arranged around the wind chamber. Is beneficial to the utilization of heat energy.

Preferably, ventilation holes are distributed on the outer side surface of the storage cavity. The outer side surface refers to the side surface of the storage cavity opposite to the adjacent surface. Is beneficial to improving the air drying efficiency.

Preferably, the particle material drying device is arranged in a drying chamber, the drying chamber is provided with a moisture discharging port, and the moisture discharging port is provided with a waste heat recovery mechanism. The waste heat recovery mechanism heats the inlet air of the air source heat pump evaporator by using the heat exchanger, and the working performance of the air source heat pump is improved.

Preferably, each drying unit comprises two storage cavities for stacking the granular materials, an air cavity is arranged between the two storage cavities, the two storage cavities are arranged on two sides of the air cavity, a feeding hole is formed in the top of each storage cavity, and a discharging hole is formed in the bottom of each storage cavity; the wind chamber top is by dividing the flitch closing cap, and the feed inlet top sets up the skin fortune machine, and the particulate matter is put in to dividing the flitch to the skin fortune machine, and the particulate matter falls into two storage intracavity along dividing the flitch. Furthermore, the material distributing plate is covered with particle materials, and ventilation holes are formed in the material distributing plate.

In order to make the above objects, features and advantages of the present invention more comprehensible, the present invention is further described in detail with reference to the accompanying drawings and the detailed description.

In the following description, numerous specific details are set forth in order to provide a thorough understanding of the present invention. The present invention may, however, be embodied in many different forms and should not be construed as limited to the embodiments set forth herein, as those skilled in the art will be able to make similar modifications without departing from the spirit and scope of the present invention.

It will be understood that when an element is referred to as being "secured to" another element, it can be directly on the other element or intervening elements may also be present. When an element is referred to as being "connected" to another element, it can be directly connected to the other element or intervening elements may also be present.

Unless defined otherwise, all technical and scientific terms used herein have the same meaning as commonly understood by one of ordinary skill in the art to which this invention belongs. The terminology used in the description of the invention herein is for the purpose of describing particular embodiments only and is not intended to be limiting of the invention. As used herein, the term "and/or" includes any and all combinations of one or more of the associated listed items.

Drawings

FIG. 1 is a schematic structural view of example 1;

FIG. 2 is a schematic structural diagram of embodiment 2;

FIG. 3 is a schematic view of the internal structure of embodiment 2;

FIG. 4 is a schematic structural view of embodiment 3;

fig. 5 is a schematic structural view of the wind chamber in example 3 (including a partially broken view to show the condenser 301).

Detailed Description

Referring to fig. 1, a specific structure of the present invention is shown. The drying device for the granular materials comprises an air source heat pump (not shown in the figure) consisting of an evaporator and a condenser. The device is installed in a drying chamber (not shown). The device body is enclosed by two outer side plates 120, two outer end plates 121 and a top plate 130. In fig. 1, the top plate 130, the two outer side plates 120, a part of the outer end plate 121, and the three outer fences 134 on the right side are separated to show the internal structure.

The device comprises three drying units, namely a first drying unit 101, a second drying unit 102 and a third drying unit 103, which are divided by two partition plates 100. The materials with different sources are convenient to dry respectively, for example, tea seeds of three farmers may be unwilling to mix and dry and can be placed into different drying units to dry respectively.

Each drying unit comprises two material storage cavities 104 for stacking particulate materials (not shown in the figure), an air cavity 107 is arranged between the two material storage cavities 104, the two material storage cavities 104 are arranged on two sides of the air cavity 107, a feeding hole 105 is arranged at the top of each material storage cavity 104, and a feeding door 133 is arranged on each feeding hole 105.

The bottom of the material storage cavity 104 is provided with a material outlet 106; the top of the air cavity 107 is covered by a material distributing plate 122, a feeding belt conveyor (not shown in the figure) is arranged above the feeding port 105, and a discharging belt conveyor can be arranged below the discharging port 106 to finish discharging and collecting work. The feeding conveyer puts the particle materials from the feeding port 105 to the material distributing plate 122, the particle materials fall into the two material storage cavities 104 along the slopes on the two sides of the material distributing plate 122, and the particle materials can be stacked to the height which covers the material distributing plate 122 and is flush with the top end of the partition plate 100. In this case, the material distributing plate 122 is provided with ventilation holes to dry the material stacked thereon.

The air chamber 107 and the storage chamber 104 are arranged on the platform 112, and the air duct 109 is arranged below the platform 112. A condenser fan 108 of the air source heat pump sequentially sends hot air into an air cavity 107 through an air duct 109 and a condenser 110, the side face of the air cavity 107 is abutted to the side face of the material storage cavity 104, ventilation holes formed by inner fences 111 are distributed on the abutting faces of the air cavity 107 and the material storage cavity 104, and gaps of the fences are smaller than the particle size of the particle materials.

In the technical scheme, after the particle materials are added into the material storage cavity 104, the air cavity 107 forms a semi-open static pressure air cavity due to the large air resistance caused by the dense stacking property of the material particles, and after the hot air entering the air cavity 107 is gathered to a certain pressure in the air cavity 107, the hot air uniformly enters the material storage cavity 104 along the fence 111 in the adjacent surface to synchronously dry the whole material; then, the hot air passing through the material enters the air return cavity between the outer fence 134 and the outer side plate 120, the hot air in the air return cavity is partially discharged from the moisture discharge port 131, and partially enters the condenser 110 through the air return port 132 and an air guide pipe (not shown in the figure) to be heated, so that a circulating air heating mode is formed, and the circulating power of the air is obtained from the suction force of the condenser fan 108.

Example 2: referring to fig. 2 and 3, the drying device for particulate materials comprises an air source heat pump consisting of an evaporator 202 and a condenser 211. The device is installed in the drying chamber 201. The apparatus includes a drying unit. Each drying unit comprises two material storage cavities 207 for stacking particulate materials (not shown in the figure), and the materials are guided into a feeding frame 204, conveyed to a blanking port 203 through a feeding belt conveyor 205 and then fall into an open-top feeding port of the material storage cavities 207 through a material distributing inclined plate 206, so that automatic feeding is completed.

The discharge port at the bottom of the storage cavity 207 is received by the discharge belt conveyor 210 and is discharged out of the drying chamber 201 from the closable material feeding door 213, so as to complete automatic discharging.

An enclosed air cavity 212 is arranged between the two material storage cavities 207, and the two material storage cavities 207 are arranged on two sides of the air cavity 212. A condenser 211 of the air source heat pump is arranged in an air cavity 212, hot air is fed into the air cavity 212 through a condenser fan, the side face of the air cavity 212 is abutted to the side face of the material storage cavity 207, ventilation holes formed by a grid structure are distributed on the abutting face 208 of the air cavity 212 and the material storage cavity 207, and gaps of grids are smaller than the particle size of the particle materials. The outer side 209 of the material storage cavity 207 is also distributed with ventilation holes formed by a grid structure. The outer side 209 refers to the side of the reservoir 207 opposite the abutment surface 208.

Referring to fig. 2, in this embodiment, the drying chamber 201 is provided with a moisture exhaust port 214, and the air heated by the heat exchanger 215 from the moisture exhaust port 214 enters the air inlet end of the evaporator 202 through an air duct 216, so as to form a waste heat recovery mechanism to improve the working performance of the evaporator 202.

Example 3: see fig. 4, 5. The drying device for the granular materials comprises an air source heat pump consisting of an evaporator (not shown in the figure) and a condenser 301. The apparatus includes a drying unit. Each drying unit includes a storage chamber 302 for depositing particulate material (not shown) which falls into the storage chamber 302 from a feed inlet 303 which is open at the top of the storage chamber 302. At the bottom of the accumulator chamber 302 is an open outlet 304.

The accumulator chamber 302 is disposed around the wind chamber 305. A condenser 301 of the air source heat pump is arranged in an air cavity 305, hot air is fed into the air cavity 305 through a condenser fan, the side surface of the air cavity 305 is abutted to the side surface of a material storage cavity 302, ventilation holes formed by a grid structure are distributed on the abutting surface 306 of the air cavity 305 and the material storage cavity 302, and the gap of the grids is smaller than the particle size of the particle materials. The outer side 307 of the material storage cavity 302 is also distributed with ventilation holes formed by a grid structure.

The foregoing embodiments are merely for clarity of explanation, and are not to be construed as limiting the present invention. The utility model discloses have known multiple substitution or warp in this technical field, do not deviating from the utility model discloses under the prerequisite of essence meaning, all fall into the utility model discloses a protection scope.

Claims

1. A drying device for granular materials comprises an air source heat pump and is characterized by comprising at least one drying unit, wherein each drying unit comprises a storage cavity for stacking the granular materials, a feeding hole is formed in the top of the storage cavity, and a discharging hole is formed in the bottom of the storage cavity; the device also comprises a closed air chamber, the air source heat pump sends hot air into the air chamber, the side surface of the air chamber is adjacent to the side surface of the material storage chamber, and ventilation holes are distributed on the adjacent surface of the air chamber and the material storage chamber.

2. The particulate material drying apparatus of claim 1, wherein the storage chamber is disposed on both sides of the air chamber.

3. The granular material drying device as claimed in claim 2, wherein the air chamber and the material storage chamber are arranged above the platform, and the air source heat pump sends hot air into the air chamber through an air duct below the platform.

4. Apparatus as claimed in any one of claims 1 to 3 wherein said abutment surface is in the form of a fence having a gap which is smaller than the particle size of the particulate material.

5. The particulate material drying apparatus of any one of claims 1 to 3, wherein the storage chamber is disposed around the air chamber.

6. The particulate material drying apparatus of claim 4, wherein the storage chamber is disposed about the air chamber.

7. The apparatus for drying particulate material of any one of claims 1, 2, 3 and 6, wherein the outer surface of the storage chamber is provided with ventilation apertures.

8. The particulate material drying apparatus of claim 4, wherein the storage chamber has ventilation apertures on an outer side of the storage chamber.