CN220818295U

CN220818295U - Hot air drying bed

Info

Publication number: CN220818295U
Application number: CN202322547361.5U
Authority: CN
Inventors: 孟祥华; 张文海; 李大林; 王本钊
Original assignee: Jinan Arrow Machinery Co ltd
Current assignee: Jinan Arrow Machinery Co ltd
Priority date: 2023-09-19
Filing date: 2023-09-19
Publication date: 2024-04-19
Anticipated expiration: 2033-09-19

Abstract

The utility model relates to the technical field of hot air drying beds, and particularly discloses a hot air drying bed which comprises a drying bed, wherein an air outlet of the drying bed is connected with a dust remover through one section of return air pipe, an air outlet of the dust remover is connected with a heater through the other section of return air pipe, the heater is connected with a fan inlet, a fan outlet is connected with an air inlet of the drying bed, and an inner cavity of the drying bed is divided into a drying chamber and a residual chamber which are distributed up and down through a screen; the drying chamber is provided with a feed opening; the residue chamber is provided with a residue port; the air inlet is communicated with the residue chamber; the feed inlet of the drying bed is communicated with the drying chamber. Compared with the prior art, the device omits the arrangement of subsequent separation equipment, reduces the cost, reduces the procedures and improves the production efficiency.

Description

Hot air drying bed

Technical Field

The utility model relates to the technical field of hot air drying beds, and particularly discloses a hot air drying bed.

Background

The fluidized drying bed refers to a device for drying granular materials by fluidizing the granular materials with a drying medium. The device has the characteristics of high heat exchange efficiency, uniform drying and high automation level, and is suitable for drying loose granular materials, especially heat-sensitive materials. At present, hot air is mostly adopted as a drying medium in a common flowing drying bed, and in order to reduce energy consumption, the hot air adopts a circulating utilization mode.

The patent of publication No. CN219110873U discloses a desiccator return air pipeline flyer filter equipment, including crystallization bed, cyclone, fan, heater and a plurality of circulation tuber pipe that set gradually, crystallization bed, cyclone, fan with form the internal circulation structure through a plurality of between the heater the circulation tuber pipe, cyclone with be equipped with detachable prefilter on the circulation tuber pipe between the fan, prefilter with still be equipped with wind pressure sensor between the cyclone, through the hot-blast that reuse after the cyclone separation is by prefilter carries out the refiltering of flyer and dust, prefilter's clean or change time node is passed through wind pressure sensor detects.

In the above scheme, after the material is dried in the crystallization bed, namely the drying bed, the subsequent separation equipment is required to be arranged, the separation is carried out again according to the particle size, and the material with proper particle size is selected, so that the working procedure is increased, and the cost is increased.

Disclosure of utility model

Aiming at the defects in the prior art, the utility model provides the hot air drying bed to solve the problems that separation equipment is required to be arranged after the materials are dried by the hot air drying bed, the working procedures are increased, and the cost is increased.

In order to achieve the above purpose, the technical scheme of the utility model is as follows:

A hot air drying bed comprises a drying bed, wherein an air outlet of the drying bed is connected with a dust remover through a section of return air pipe, an air outlet of the dust remover is connected with a heater through another section of return air pipe, the heater is connected with a fan inlet, a fan outlet is connected with an air inlet of the drying bed, and an inner cavity of the drying bed is divided into a drying chamber and a residual chamber which are arranged up and down through a screen; the drying chamber is provided with a feed opening; the residue chamber is provided with a residue port; the air inlet is communicated with the residue chamber; the feed inlet of the drying bed is communicated with the drying chamber. The material gets into the drying chamber by the feed inlet, and hot-blast entering the incomplete material room by the air intake, then dry the material on the screen cloth, and the material of less granule falls into behind the incomplete material room and collects through the waste residue mouth, and the material that granule size is suitable is collected by feed opening department, has saved the setting of follow-up splitter, has reduced the cost, has reduced the process, has improved production efficiency.

Preferably, two air control plates are arranged in the residue chamber; the two air control plates are arranged at intervals and are parallel to each other. The hot air can be guided to dry the materials on the screen more fully.

Preferably, the air outlet is cooperatively arranged above the air control plate, so that the return air pipe is convenient for collecting hot air, the temperature of the recovered hot air is ensured, and the energy-saving effect is improved.

Preferably, the plane where the air control plate is located and the plane included angle where the screen cloth is located are arranged at an acute angle, so that the hot air is conveniently guided to dry materials on the screen cloth, and meanwhile, the materials and waste residues are guaranteed to be conveyed.

Preferably, the included angle between the plane of the air control plate and the plane of the screen is 45 degrees, so that the material drying effect on the screen is optimal on the premise of ensuring material conveying.

Preferably, the edge of the lower end of the air control plate is higher than the bottom surface of the residue chamber; the edge of the upper end of the air control plate is lower than the bottom surface of the screen mesh, so that the conveying of waste residues in a residue chamber is ensured.

Preferably, in the material conveying direction, the upper end edge of the air control plate at the rear end is higher than the upper end edge of the air control plate at the front end, so that the drying effect of hot air at the rear end of the screen is improved while the conveying of waste residues in a residue chamber is ensured.

Preferably, the lower part of the drying bed is provided with a vibrating motor, so that the accumulation of materials on the screen and residues at the bottom of the residue chamber is avoided.

Preferably, a heat-insulating jacket is arranged outside the return air pipe, so that the temperature of hot air in the return air pipe is ensured, and the energy-saving effect is improved.

Preferably, an electric heating tube is arranged in the heater; the return air pipe is connected to the side wall of the heater and is connected to the inlet end of the heater.

The beneficial effects of the utility model are as follows:

1. The material gets into the drying chamber by the feed inlet, and hot-blast entering the incomplete material room by the air intake, then dry the material on the screen cloth, and the material of less granule falls into behind the incomplete material room and collects through the waste residue mouth, and the material that granule size is suitable is collected by feed opening department, has saved the setting of follow-up splitter, has reduced the cost, has reduced the process, has improved production efficiency.

2. The arrangement of the heat-insulating jacket outside the return air pipe ensures the temperature of hot air in the return air pipe and improves the energy-saving effect.

Drawings

In order to more clearly illustrate the embodiments of the present utility model or the technical solutions in the prior art, the drawings that are required to be used in the description of the embodiments or the prior art will be briefly described below, and it will be obvious to those skilled in the art that other drawings can be obtained from these drawings without inventive effort.

FIG. 1 is a schematic front view of the present utility model;

FIG. 2 is a schematic top view of the present utility model;

fig. 3 is a schematic left-hand view of the desiccant bed of fig. 1.

Reference numerals illustrate:

1-a drying bed, 2-a return air pipe, 3-a dust remover, 4-a heater, 5-a fan, 6-a screen, 7-a vibrating motor, 8-a heat preservation jacket and 9-an electric heating pipe;

101-air outlet, 102-air inlet, 103-drying chamber, 104-residue chamber, 105-discharge opening, 106-waste residue opening, 107-feed inlet, 108-air control plate.

Detailed Description

In order to make the technical solution of the present utility model better understood by those skilled in the art, the technical solution 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 only some embodiments of the present utility model, not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the present utility model without making any inventive effort, shall fall within the scope of the present utility model.

The left-to-right direction in fig. 1 is the material conveying direction.

As shown in fig. 1-3, the hot air drying bed comprises a drying bed 1, an air outlet 101 of the drying bed 1 is connected with a dust remover 3 through a section of return air pipe 2, the dust remover 3 is a saxo Long Chuchen device, solid materials in return air can be separated and recycled, an air outlet of the dust remover 3 is connected with a heater 4 through another section of return air pipe 2, the heater 4 is connected with an inlet of a fan 5, an outlet of the fan 5 is connected with an air inlet 102 of the drying bed 1, and an inner cavity of the drying bed 1 is divided into a drying chamber 103 and a residue chamber 104 which are arranged up and down through a screen 6; the drying chamber 103 is provided with a feed opening 105; the residue chamber 104 is provided with a residue port 106; the air inlet 102 is communicated with the residue chamber 104; the feed inlet 107 of the dryer bed 1 communicates with the drying chamber 103. Two air control plates 108 are arranged in the residue chamber 104; the two air control plates 108 are arranged at intervals and parallel to each other, and can guide hot air to dry the materials on the screen 6 more fully. The air outlet 101 is matched with the upper part of the air control plate 108, so that the air return pipe 2 is convenient to collect hot air, the temperature of the recovered hot air is ensured, and the energy-saving effect is improved. The material gets into drying chamber 103 by feed inlet 107, and hot-blast entering residual material room 104 by air intake 102, then dries the material on the screen cloth 6, and the material of less granule falls into behind the residual material room 104 and collects through waste residue mouth 106, and the material that the granule size is suitable is collected by feed opening 105 department, has saved the setting of follow-up splitter, has reduced the cost, has reduced the process, has improved production efficiency. An electric heating pipe 9 is arranged in the heater 4; the return air pipe 2 is connected to the side wall of the heater 4 and is connected to the inlet end of the heater 4, so that the hot air recovered in the return air pipe 2 is heated by the electric heating pipe 9 again, and the temperature of the hot air is ensured.

In the above arrangement, the included angle between the plane of the air control plate 108 and the plane of the screen 6 is 45 degrees, so that the material drying effect on the screen 6 is optimal under the premise of ensuring material conveying. In the material moving direction, the upper end edge of the air control plate 108 at the rear end is higher than the upper end edge of the air control plate 108 at the front end, the lower end edge of the air control plate 108 is higher than the bottom surface of the residual material chamber 104, the upper end edge of the air control plate 108 is lower than the bottom surface of the screen 6, and the drying effect of hot air at the rear end of the screen 6 is improved while the conveying of waste residues in the residual material chamber 104 is ensured.

In order to avoid accumulation of materials on the screen 6 and residues at the bottom of the residue chamber 104, a vibrating motor 7 is arranged at the lower part of the drying bed 1. In order to ensure the temperature of hot air in the return air pipe 2 and improve the energy-saving effect, a heat-preserving jacket 8 is arranged outside the return air pipe 2.

In other alternative embodiments, the electric heating pipe 9 is not arranged in the heater 4, and the gas-heated burner is arranged on the side wall of the heater 4 to heat hot air.

Although the present utility model has been described in detail by way of preferred embodiments with reference to the accompanying drawings, the present utility model is not limited thereto. Various equivalent modifications and substitutions may be made in the embodiments of the present utility model by those skilled in the art without departing from the spirit and scope of the present utility model, and it is intended that all such modifications and substitutions be within the scope of the present utility model/be within the scope of the present utility model as defined by the appended claims. Therefore, the protection scope of the present utility model shall be subject to the protection scope of the claims.

Claims

1. The hot air drying bed comprises a drying bed, wherein an air outlet of the drying bed is connected with a dust remover through a section of return air pipe, an air outlet of the dust remover is connected with a heater through another section of return air pipe, the heater is connected with a fan inlet, and a fan outlet is connected with an air inlet of the drying bed; the drying chamber is provided with a feed opening; the residue chamber is provided with a residue port; the air inlet is communicated with the residue chamber; the feed inlet of the drying bed is communicated with the drying chamber.

2. The hot air drying bed according to claim 1, wherein two air control plates are arranged in the residue chamber; the two air control plates are arranged at intervals and are parallel to each other.

3. The hot air drying bed according to claim 2, wherein the air outlet is cooperatively disposed above the air control plate.

4. The hot air drying bed according to claim 2, wherein the plane of the air control plate is disposed at an acute angle to the plane of the screen.

5. The hot air dryer bed of claim 4, wherein the air control plate is disposed at an angle of 45 ° to the plane of the screen.

6. The hot air drying bed according to claim 5, wherein the lower end edge of the air control plate is higher than the bottom surface of the residue chamber; the edge of the upper end of the air control plate is lower than the bottom surface of the screen.

7. The hot air drying bed according to claim 6, wherein the upper end edge of the air control plate at the rear end is higher than the upper end edge of the air control plate at the front end in the material conveying direction.

8. The hot air drying bed according to claim 1, wherein a vibration motor is provided at a lower portion of the drying bed.

9. The hot air drying bed according to claim 1, wherein a heat preservation jacket is arranged outside the return air pipe.

10. The hot air drying bed according to claim 1, wherein an electric heating tube is provided in the heater; the return air pipe is connected to the side wall of the heater and is connected to the inlet end of the heater.