Drying machine with efficient internal circulation

Abstract

The utility model discloses an efficient internal circulation drying machine which comprises a drying box body, a sealing feeding port is formed in the top of the drying box body, a sealing discharging port is formed in the bottom of the drying box body, and heating and heat preservation circulation boxes are arranged on the two sides of the drying box body. A plurality of circulating fans are arranged between the drying box body and the top of the heating and heat-preservation circulating box, an air guide pipe communicated with the bottom in the drying box body is arranged at the bottom of the heating and heat-preservation circulating box, a plurality of electric heating nets are arranged at the top in the heating and heat-preservation circulating box, and a drying agent adsorption layer is arranged at the bottom in the heating and heat-preservation circulating box. And a supporting net rack for clamping the drying agent adsorption layer is arranged in the heating and heat preservation circulating box. Compared with the prior art, the material drying device has the advantages that the circulating heating boxes are arranged on the two sides of the drying box body, internal heating and moisture adsorption are matched, drying efficiency and uniformity can be guaranteed, and material drying quality and efficiency are guaranteed.

Description

Technical Field

[0001] The utility model relates to the technical field of dryer equipment, in particular to a dryer with high-efficiency internal circulation. Background Technique

[0002] A dryer refers to a mechanical device that uses heat energy to reduce the moisture content of materials and is used for drying objects. The dryer vaporizes and escapes the moisture in the materials by heating to obtain solid materials with a specified moisture content. The purpose of drying is for the use or further processing of the materials.

[0003] In the use of dryers, often only internal heating is adopted, or vacuum pumping is used to assist drying. However, conventional heating methods are prone to uneven internal heating and drying, and the treatment of drying moisture is not efficient and timely enough, thus easily affecting the drying quality of the materials. Content of the Utility Model

[0004] The technical problem to be solved by the utility model is to provide a dryer with high-efficiency internal circulation in view of the deficiencies mentioned in the above background technique.

[0005] To solve the above technical problem, the technical solution provided by the utility model is: a dryer with high-efficiency internal circulation, including a main drying box body, a sealed feeding port is connected and arranged at the top of the main drying box body, a sealed discharging port is connected and arranged at the bottom of the main drying box body, heating and heat preservation circulation boxes are connected and arranged on both sides of the main drying box body, a plurality of circulation fans are connected between the top of the main drying box body and the heating and heat preservation circulation boxes, and an air duct communicating with the inner bottom of the main drying box body is connected and arranged at the bottom of the heating and heat preservation circulation box;

[0006] A plurality of electric heating grids are connected and arranged at the inner top of the heating and heat preservation circulation box, a desiccant adsorption layer is connected and arranged at the inner bottom of the heating and heat preservation circulation box, a support grid for clamping the desiccant adsorption layer is connected and arranged inside the heating and heat preservation circulation box, and a first filter element and a second filter element respectively cooperating with the circulation fan and the air duct are connected to the main drying box body.

[0007] Furthermore, a stirring motor is connected and arranged at the top of the main drying box body, and a stirrer extending into the main drying box body is connected to the power end at the bottom of the stirring motor, which is convenient for stirring and uniform drying operation during hot air drying.

[0008] Furthermore, a temperature and humidity sensor is connected and arranged at the inner top of the heating and heat preservation circulation box, and an exhaust fan electrically connected to the temperature and humidity sensor is connected and arranged at the top of the heating and heat preservation circulation box, which is convenient for discharging moisture.

[0009] Further, a wind collecting hood for cooperating with an exhaust fan is connected to the top of the heating and heat preservation circulation box, and an electric control valve is connected to the wind collecting hood to close the exhaust fan daily.

[0010] Further, heat preservation layers are connected to the two sides of the drying box body main body adjacent to the heating and heat preservation circulation box, and a maintenance sealing door for cooperating with a desiccant adsorption layer is connected to the outside of the heating and heat preservation circulation box, which is convenient for assisting the drying box body main body and the heating and heat preservation circulation box.

[0011] Further, both the first filter element and the second filter element include a support mesh plate and a filter cloth cover arranged on the front side of the support mesh plate, preventing fine materials from entering the heating and heat preservation circulation box.

[0012] The advantages of an internal circulation high-efficiency dryer of the present utility model compared with the prior art are as follows: By arranging circulation heating boxes on both sides of the drying box body main body and cooperating with internal heating and moisture adsorption, the high efficiency and uniformity of drying can be ensured, and the quality and efficiency of material drying are guaranteed. BRIEF DESCRIPTION OF THE DRAWINGS

[0013] Figure 1 FIG. 1 is a first structural schematic diagram of an internal circulation high-efficiency dryer of the present utility model.

[0014] Figure 2 FIG. 2 is a second structural schematic diagram of an internal circulation high-efficiency dryer of the present utility model.

[0015] Figure 3 FIG. 3 is a front sectional structural schematic diagram of an internal circulation high-efficiency dryer of the present utility model.

[0016] Figure 4 FIG. 4 is a side sectional structural schematic diagram of an internal circulation high-efficiency dryer of the present utility model.

[0017] Figure 5 FIG. 5 is a structural schematic diagram of a filter element of an internal circulation high-efficiency dryer of the present utility model.

[0018] As shown in the figures: 1. Drying box body main body; 2. Sealed feeding port; 3. Sealed discharging port; 4. Heating and heat preservation circulation box; 5. Circulation fan; 6. First filter element; 7. Electric heating mesh; 8. Support grid frame; 9. Desiccant adsorption layer; 10. Maintenance sealing door; 11. Air duct; 12. Second filter element; 13. Stirring motor; 14. Stirrer; 15. Temperature and humidity sensor; 16. Exhaust fan; 17. Wind collecting hood; 18. Electric control valve; 19. Heat preservation layer; 20. Support mesh plate; 21. Filter cloth cover. DETAILED DESCRIPTION OF THE EMBODIMENTS

[0019] The following further describes the present utility model in detail with reference to the accompanying drawings.

[0020] Combined with the attached Figures 1-5 , an efficient dryer with an internal circulation, comprising a main drying box body 1, a sealed feeding port 2 is connected to the top of the main drying box body 1, a sealed discharging port 3 is connected to the bottom of the main drying box body 1, heating and heat preservation circulation boxes 4 are connected to both sides of the main drying box body 1, heat preservation layers 19 are connected to the two sides of the main drying box body 1 adjacent to the heating and heat preservation circulation boxes 4, that is, the heat preservation layers 19 can prevent excessive consumption of hot air from the side and play a role in reducing energy consumption. A plurality of circulation fans 5 are connected between the top of the main drying box body 1 and the heating and heat preservation circulation boxes 4. A duct 11 communicating with the inner bottom of the main drying box body 1 is connected to the bottom of the heating and heat preservation circulation box 4. That is, the gas is pumped into the heating and heat preservation circulation box 4 by the circulation fans 5, and then dry hot air can be continuously input into the main drying box body 1 through the bottom duct 11 for drying material processing. A stirring motor 13 is connected to the top of the main drying box body 1, and a stirrer 14 extending into the main drying box body 1 is connected to the power end at the bottom of the stirring motor 13. The stirring motor 13 can drive the stirrer 14 to assist in stirring the material, so as to ensure uniform and efficient drying operation of the material.

[0021] Combined with the attached Figures 3-5 , a plurality of electric heating grids 7 are connected to the inner top of the heating and heat preservation circulation box 4. The gas can be heated by the plurality of electric heating grids 7. A desiccant adsorption layer 9 is connected to the inner bottom of the heating and heat preservation circulation box 4. The moisture in the humid and hot gas in the main drying box body 1 can be adsorbed by the desiccant adsorption layer 9, and then dry hot air is introduced through the bottom pipeline for operation. A maintenance sealing door 10 matching the desiccant adsorption layer 9 is connected to the outside of the heating and heat preservation circulation box 4. The desiccant in the desiccant adsorption layer 9 can be replaced through the maintenance sealing door 10. A support grid 8 for clamping the desiccant adsorption layer 9 is connected to the heating and heat preservation circulation box 4. The main drying box body 1 is connected with a first filter element 6 and a second filter element 12 respectively matching the circulation fans 5 and the duct 11. Both the first filter element 6 and the second filter element 12 include a support mesh plate 20 and a filter cloth cover 21 arranged on the front side of the support mesh plate 20. The first filter element 6 and the second filter element 12 can prevent materials from entering the internal structures of the circulation fans 5 and the duct 11.

[0022] Combined with the attached Figure 3, a temperature and humidity sensor 15 is connected to the inner top of the heating and heat preservation circulation box 4. An exhaust fan 16 electrically connected to the temperature and humidity sensor 15 is connected to the top of the heating and heat preservation circulation box 4. An air collecting hood 17 cooperating with the exhaust fan 16 is connected to the top of the heating and heat preservation circulation box 4. An electric control valve 18 is connected to the air collecting hood 17. That is, the internal temperature and residual humid gas can be reduced through the exhaust fan 16. At the same time, when the material is not dried, the interior can be heated by starting a plurality of electric heating grids 7, and then the moisture in the desiccant adsorption layer 9 can be quickly volatilized, which is convenient for the recycling operation of the desiccant.

[0023] The above describes the present invention and its implementation manners. Such a description is not restrictive. What is shown in the drawings is only one of the implementation manners of the present invention, and the actual structure is not limited thereto. All in all, if those of ordinary skill in the art are inspired by it and design similar structural manners and embodiments without creative efforts without departing from the gist of the present invention, they shall fall within the protection scope of the present invention.

Claims

1. An efficient dryer with an internal circulation, comprising a main drying box body (1), a sealed feeding port (2) is connected and arranged at the top of the main drying box body (1), and a sealed discharging port (3) is connected and arranged at the bottom of the main drying box body (1), and it is characterized in that: On both sides of the described drying box body (1), there are connected heating and heat preservation circulation boxes (4). Between the top of the drying box body (1) and the heating and heat preservation circulation boxes (4), there are connected multiple circulation fans (5). At the bottom of the heating and heat preservation circulation box (4), there is connected an air duct (11) that communicates with the inner bottom of the drying box body (1). At the inner top of the heating and heat preservation circulation box (4), there are connected multiple electric heating grids (7). At the inner bottom of the heating and heat preservation circulation box (4), there is connected a desiccant adsorption layer (9). Inside the heating and heat preservation circulation box (4), there is connected a support wire frame (8) that holds the desiccant adsorption layer (9). The drying box body (1) is connected with a first filter element (6) and a second filter element (12) that respectively cooperate with the circulation fan (5) and the air duct (11).

2. The high-efficiency dryer with an internal circulation according to claim 1, wherein: At the top of the drying box body (1), there is connected a stirring motor (13). At the power end of the bottom of the stirring motor (13), there is connected a stirrer (14) that extends into the drying box body (1).

3. The high-efficiency dryer with an internal circulation according to claim 1, characterized in that: At the inner top of the heating and heat preservation circulation box (4), there is connected a temperature and humidity sensor (15). At the top of the heating and heat preservation circulation box (4), there is connected an exhaust fan (16) that is electrically connected to the temperature and humidity sensor (15).

4. The dryer with high efficiency of internal circulation according to claim 3, characterized in that: At the top of the heating and heat preservation circulation box (4), there is connected an air collecting hood (17) that cooperates with the exhaust fan (16). An electric control valve (18) is connected to the air collecting hood (17).

5. The high-efficiency dryer with an internal circulation according to claim 1, wherein: On the two sides of the drying box body (1) adjacent to the heating and heat preservation circulation box (4), there are connected heat preservation layers (19). On the outside of the heating and heat preservation circulation box (4), there is connected a maintenance and sealing door (10) that cooperates with the desiccant adsorption layer (9).

6. The high-efficiency dryer with an internal circulation according to claim 1, characterized in that: Both the first filter element (6) and the second filter element (12) include a support mesh plate (20) and a filter cloth cover (21) provided on the front side of the support mesh plate (20).

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