Mixed flow room type drying device
By using a combination structure of elevator and conveying dragon in the mixed-flow room drying device, and optimizing the hot air distribution with the axial fan and return air outlet, the problem of the hot air temperature change in the existing technology affecting the drying quality, achieving high efficiency , even grain drying effect.
Patent Information
- Application Number
- CN202420897134.7
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2024-04-28
- Publication Date
- 2024-12-13
- Estimated Expiration
- 2034-04-28
AI Technical Summary
In the prior art, after heating the air by burning biomass particles, the drying grains are directly entered into the drying room. After the waste heat air is discharged from the drying room, it is then heated and dehumidified through the upper air duct, resulting in a large change in the hot air temperature, affecting the drying. Quality of dry cereals.
A mixed-flow room-type drying device is designed, using a combination structure of elevator and conveying dragon, and using axial flow fan to blow opposite each other, so as to quickly change the wind direction and even distribution of hot air, reduce the damage to the grain by machinery, and pass through the return air outlet. Use waste heat to improve drying efficiency.
The device significantly improves the efficiency of grain drying by reducing mechanical damage and improving hot air utilization, ensuring quality and safety during the drying process.
Smart Images
Figure CN222148901U_ABST
Abstract
Description
Technical Field
[0001] The utility model relates to the technical field of grain drying equipment, in particular to a mixed flow room type drying device. Background Art
[0002] The mixed flow room drying device is a grain drying equipment. It realizes the recycling of hot air during drying through specific design and technology, thereby improving the drying efficiency and thermal energy utilization rate. This drying device usually includes a drying room, a hot air furnace, an elevator, a control and display, a dust exhaust device and other parts. The design of the mixed flow room drying device aims to improve the drying efficiency through mixed flow ventilation, low temperature, thin layer, large air volume, and overall continuous heating, while reducing thermal and mechanical damage during the drying process to ensure the quality and safety of the grain.
[0003] With regard to the existing related technologies, the inventors believe that the following defects exist: the existing technologies heat the air by burning biomass particles and then directly enter the drying room to dry grains or seeds. The waste hot air is discharged from the drying room and then enters the hot air furnace through the upwind duct for heating and dehumidification. The hot air circulates between the drying room and the hot air furnace in an external circulation manner. The temperature of the hot air that directly heats the air varies greatly, which affects the quality of the dried grains. Utility Model Content
[0004] In order to solve the technical problem that the air is heated by burning biomass particles and then directly enters the drying room to dry grains or seeds, the waste hot air is discharged from the drying room and then enters the hot air furnace through the upper air duct for heating and dehumidification, and the hot air circulates between the drying room and the hot air furnace in an external circulation manner, and the temperature of the hot air directly heating the air has a large fluctuation range, thereby affecting the quality of the dried grains, the utility model provides a mixed flow room drying device.
[0005] The utility model is implemented by the following technical scheme: a mixed flow room type drying device, comprising a drying room, a grain inlet is fixedly connected to the bottom of one side of the drying room, a hoist is fixedly connected to the top of the grain inlet, a head connecting bucket is fixedly connected to the top of the hoist, a transverse auger shell is fixedly connected to one end of the head connecting bucket, a grain-discharging transverse auger is arranged inside the transverse auger shell, a dust exhaust fan is installed at one end of the transverse auger shell, a transfer interface is fixedly connected to the bottom of the transverse auger shell, one end of the transfer interface is fixedly connected to a longitudinal auger shell, and a grain-input longitudinal auger is arranged inside the longitudinal auger shell;
[0006] Among them, the bottom of the longitudinal auger shell is fixedly connected with an auger connection port, and two distribution cover plates are fixedly connected to the two sides of the auger connection port, and multiple ventilation holes are arranged on both sides of the bottom of the distribution cover plate. A first unit drying box is arranged on one side of the bottom of the auger connection port, and a second unit drying box is arranged on the other side of the bottom of the auger connection port. Multiple axial flow fans are arranged between the first unit drying box and the second unit drying box, and a large material dropping hopper is arranged at the bottom of the first unit drying box and the second unit drying box, and a discharge port is arranged at the bottom of the large material dropping hopper.
[0007] Preferably, a base is provided at the bottom of the drying room, and a maintenance guardrail is fixedly connected to the top of the drying room.
[0008] Preferably, a grain outlet is provided at the bottom of the machine head connecting bucket, and a maintenance platform is installed on one side of the machine head connecting bucket.
[0009] Preferably, the inner wall of the drying room is provided with thermal insulation rock wool, and a ventilation hole is provided at the bottom of one end of the spreading cover plate.
[0010] Preferably, one side of the elevator is fixedly connected to the outside of one side of the drying room, and the head connecting bucket is located at the top of the drying room.
[0011] Preferably, the outside of the drying room is processed with a return air vent, and the return air vent is located between the first unit drying box body and the second unit drying box body.
[0012] Preferably, an air inlet is processed on one side of the exterior of the drying room, and the air inlet is located at one end of the blanking hopper.
[0013] Compared with the prior art, the beneficial effects of the utility model are:
[0014] When the utility model is in use, a grain free-sliding hopper and a conveying auger combined structure are added, which can reduce the degree of damage to the grain caused by machinery and utilize the conveying auger blades to roll and stir the grain, thereby achieving the purpose of drying and evenly scooping.
[0015] When the utility model is in use, two groups of six axial flow fans are arranged in the drying box for blowing against each other. When working, the hot air blows against each other, and the wind direction can be changed quickly to blow into and fill every corner, so that the grain drying efficiency is greatly improved.
[0016] When the utility model is in use, hot air structures are simultaneously introduced into both sides of the drying box, and the hot air duct crosses the middle of the material dropping bucket, so that the heat lost by the duct is utilized and the structure is compact. BRIEF DESCRIPTION OF THE DRAWINGS
[0017] Figure 1 It is a schematic diagram of the overall structure of the utility model;
[0018] Figure 2 This is a schematic diagram of the internal structure of the drying room of the utility model;
[0019] Figure 3 This is a side view of the drying room of the utility model;
[0020] Figure 4 This is a schematic diagram of the hoist connection structure of the utility model;
[0021] Figure 5 It is a schematic diagram of the connection structure of the transverse auger housing and the dust exhaust fan of the utility model;
[0022] Figure 6 This is a schematic diagram of the specific structure of the longitudinal auger housing of the utility model;
[0023] Figure 7 This is a schematic diagram of the top structure of the spreading cover plate of the utility model;
[0024] Figure 8 It is a schematic diagram of the structure of the first drying box unit and the second drying box unit of the utility model.
[0025] In the figure: 1. Drying room; 101. Base; 102. Maintenance guardrail; 2. Grain inlet; 3. Elevator; 4. Machine head connecting bucket; 401. Grain outlet; 402. Maintenance platform; 5. Horizontal auger shell; 6. Horizontal auger for grain outlet; 7. Dust exhaust fan; 8. Adapter; 9. Longitudinal auger shell; 10. Longitudinal auger for grain inlet; 11. Auger connection port; 12. Spreading cover; 13. First unit drying box; 14. Second unit drying box; 15. Return air port; 16. Axial fan; 17. Air inlet; 18. Large bucket for dropping materials; 19. Discharge port; 20. Insulating rock wool; 21. Ventilation port. DETAILED DESCRIPTION
[0026] The present invention is further described below in conjunction with the accompanying drawings and specific implementation methods. It should be noted that, under the premise of no conflict, the various embodiments or technical features described below can be arbitrarily combined to form a new embodiment.
[0027] Example 1: Please refer to Figure 1 - Figure 8A mixed flow room type drying device of the present embodiment comprises a drying room 1, a grain inlet 2 is fixedly connected to the bottom of one side of the drying room 1, a hoist 3 is fixedly connected to the top of the grain inlet 2, a head connecting bucket 4 is fixedly connected to the top of the hoist 3, a transverse auger shell 5 is fixedly connected to one end of the head connecting bucket 4, a grain discharging transverse auger 6 is arranged inside the transverse auger shell 5, a dust exhaust fan 7 is installed at one end of the transverse auger shell 5, a transfer interface 8 is fixedly connected to the bottom of the transverse auger shell 5, one end of the transfer interface 8 is fixedly connected to a longitudinal auger shell 9, and a grain feeding longitudinal auger 10 is arranged inside the longitudinal auger shell 9;
[0028] Among them, by allowing the grain to enter the interior of the grain inlet 2, after the elevator 3 is operated, the elevator 3 will drive the grain to be transported from the bottom of the drying room 1 to the top of the drying room 1, and enter the interior of the head connecting bucket 4, and then start the motor to drive the grain-discharging transverse auger 6 to work, so that the grain-discharging transverse auger 6 transports the grain from the interior of the head connecting bucket 4 to one end of the transverse auger shell 5, and by starting the dust exhaust fan 7, the dust in the grain can be extracted. When the grain is transported to one end of the transverse auger shell 5, the grain will enter the interior of the adapter 8, and then the grain-intake longitudinal auger 10 will be operated, which will drive the grain to be transported forward inside the longitudinal auger shell 9;
[0029] Further, the bottom of the longitudinal auger housing 9 is fixedly connected with an auger connection port 11, and two distribution cover plates 12 are fixedly connected to both sides of the auger connection port 11, and multiple ventilation holes 21 are arranged on both sides of the bottom of the distribution cover plate 12. A first unit drying box 13 is arranged on one side of the bottom of the auger connection port 11, and a second unit drying box 14 is arranged on the other side of the bottom of the auger connection port 11. A material dropping bucket 18 is arranged at the bottom of the first unit drying box 13 and the second unit drying box 14, and a material discharge port 19 is arranged at the bottom of the material dropping bucket 18;
[0030] Among them, when the grains will enter the auger connection port 11 from the bottom of the longitudinal auger shell 9, after entering the auger connection port 11, the grains will enter the two sides of the auger connection port 11 respectively, and be diverted through the bottom of the two spreading cover plates 12, and enter the first unit drying box 13 and the second unit drying box 14 respectively for drying. After the grains are dried, they will fall downward into the inside of the drop bucket 18, so that the grains will be collected through the discharge port 19;
[0031] In some examples, a plurality of axial flow fans 16 are arranged between the first unit drying box 13 and the second unit drying box 14. Two groups of 6 axial flow fans are set up in the drying box to blow against each other. When working, the hot air blows against each other, which can quickly change the wind direction and blow into every corner, so that the grain drying efficiency is greatly improved.
[0032] Further, a base 101 is provided at the bottom of the drying room 1, and a maintenance guardrail 102 is fixedly connected to the top of the drying room 1. The base 101 is located at the bottom of the drying room 1. The maintenance guardrail 102 is provided to facilitate maintenance of the top of the drying room 1.
[0033] Furthermore, a grain outlet 401 is provided at the bottom of the machine head connecting bucket 4, and a maintenance platform 402 is installed on one side of the machine head connecting bucket 4. The maintenance platform 402 is provided to facilitate maintenance of the machine head connecting bucket 4;
[0034] Furthermore, the inner wall of the drying room 1 is provided with thermal insulation rock wool 20, a vent 21 is provided at the bottom of one end of the distribution cover plate 12, and the periphery of the drying box is wrapped with thermal insulation rock wool, thereby reducing the heat loss inside the drying box;
[0035] Furthermore, the outside of the drying room 1 is processed with a return air vent 15, which is located between the first unit drying box 13 and the second unit drying box 14. An air inlet 17 is processed on one side of the outside of the drying room 1, and the air inlet 17 is located at one end of the blanking hopper 18. The return air vent 15 is opened in front of the drying room 1, and the residual temperature air returns to the hot air furnace inlet. The hot air furnace inlet 17 is opened in front of the drying room 1.
[0036] Working principle: The grains are transported from the bottom of the drying room 1 to the top of the drying room 1 through the elevator 3, and enter the interior of the head connecting bucket 4, and then the grain-discharging transverse auger 6 is operated to transport the grains to one end of the transverse auger shell 5, and the grains will enter the interior of the transfer port 8, and then the grain-in longitudinal auger 10 is operated to drive the grains to be transported forward inside the longitudinal auger shell 9. At the same time, the grains will enter the auger connecting port 11 from the bottom of the longitudinal auger shell 9, and the grains will be diverted through the two sides of the auger connecting port 11, and will enter the interior of the first unit drying box 13 and the second unit drying box 14 for drying respectively. After the grains are dried, they will fall downward into the interior of the large material dropping bucket 18, so that the grains can be collected through the discharge port 19.
[0037] The above-mentioned implementation modes are only preferred implementation modes of the present invention, and cannot be used to limit the protection scope of the present invention. Any non-substantial changes and substitutions made by technicians in this field on the basis of the present invention shall fall within the scope of protection required by the present invention.
Claims
1. A mixed flow room type drying device, comprising a drying room (1), characterized in that: The bottom of one side of the drying room (1) is fixedly connected to a grain inlet (2), the top of the grain inlet (2) is fixedly connected to a hoist (3), the top of the hoist (3) is fixedly connected to a head connecting bucket (4), one end of the head connecting bucket (4) is fixedly connected to a transverse auger housing (5), a grain-discharging transverse auger (6) is arranged inside the transverse auger housing (5), a dust exhaust fan (7) is installed at one end of the transverse auger housing (5), a transfer port (8) is fixedly connected to the bottom of the transverse auger housing (5), one end of the transfer port (8) is fixedly connected to a longitudinal auger housing (9), and a grain-intake longitudinal auger (10) is arranged inside the longitudinal auger housing (9); The bottom of the longitudinal auger housing (9) is fixedly connected to an auger connection port (11), two distribution cover plates (12) are fixedly connected to both sides of the auger connection port (11), a plurality of ventilation holes (21) are arranged on both sides of the bottom of the distribution cover plate (12), a first unit drying box (13) is arranged on one side of the bottom of the auger connection port (11), a second unit drying box (14) is arranged on the other side of the bottom of the auger connection port (11), a plurality of axial flow fans (16) are arranged between the first unit drying box (13) and the second unit drying box (14), a material dropping hopper (18) is arranged at the bottom of the first unit drying box (13) and the second unit drying box (14), and a material discharge port (19) is arranged at the bottom of the material dropping hopper (18).
2. A mixed flow room type drying device according to claim 1, characterized in that: A base (101) is provided at the bottom of the drying room (1), and a maintenance guardrail (102) is fixedly connected to the top of the drying room (1).
3. A mixed flow room type drying device according to claim 1, characterized in that: A grain outlet (401) is provided at the bottom of the machine head connecting bucket (4), and a maintenance platform (402) is installed on one side of the machine head connecting bucket (4).
4. A mixed flow room type drying device according to claim 1, characterized in that: The inner wall of the drying room (1) is provided with thermal insulation rock wool (20), and a ventilation hole (21) is provided at the bottom of one end of the distribution cover plate (12).
5. The mixed flow room type drying device according to claim 1, characterized in that: One side of the elevator (3) is fixedly connected to the outside of one side of the drying room (1), and the head connecting bucket (4) is located at the top of the drying room (1).
6. A mixed flow room type drying device according to claim 1, characterized in that: The drying room (1) is provided with an air return port (15) on the outside, and the air return port (15) is located between the first unit drying box body (13) and the second unit drying box body (14).
7. A mixed flow room type drying device according to claim 1, characterized in that: An air inlet (17) is formed on one side of the outside of the drying room (1), and the air inlet (17) is located at one end of a large material dropping bucket (18).