Drying device for feed additive

Abstract

The utility model relates to the technical field of feed additive production, in particular to a feed additive drying device. Comprising a drying box, a conveying pipe, a power assembly and a heat supply device. A first transmission shaft is rotationally mounted in the center of the drying box; a first spiral conveying blade is arranged on the inner side of the drying box; the conveying pipe is fixedly connected with the drying box, a second transmission shaft is rotationally installed in the center of the conveying pipe, a second spiral conveying blade is arranged on the inner side of the conveying pipe, and the second spiral conveying blade and the second transmission shaft are each of a hollow structure; the power assembly is used for driving the first transmission shaft and the second transmission shaft to rotate synchronously. The heat supply device is used for conveying hot air into the first transmission shaft and the second transmission shaft. According to the technical scheme, by arranging the first spiral conveying blade, materials naturally roll downwards in the path direction of the first spiral conveying blade, the heating area of the materials is increased, the materials can be automatically turned over in the re-rolling process, and the completeness of material particles can be guaranteed.

Description

Technical Field

[0001] The utility model relates to the technical field of feed additive production, in particular to a drying device for feed additives. Background Technique

[0002] Feed additives can help livestock and poultry supplement basic nutrients, such as amino acids, vitamins, trace mineral elements, etc., can improve the body's antibacterial and disease-preventing immunity, achieve the effects of internal deworming, promoting the utilization of feed nutrients, promoting animal growth, egg production and milk production, and can also regulate physiological metabolism. Some feed additives need to be dried during the production process to facilitate storage and transportation.

[0003] The patent with the publication number CN220728769U discloses a drying device for feed additive production, including a tank body. The tank body is rotatably connected to a bracket, and a turnover mechanism is arranged on the bracket. The turnover mechanism is in transmission connection with the tank body. A material hole and a first exhaust hole are opened on the tank body, and a sealing cover is detachably connected to the material hole; the drying assembly includes a main shaft. The main shaft is rotatably connected inside the tank body. A first motor is arranged on the tank body, and the main shaft is fixedly connected to the output end of the first motor. A connecting block is fixedly connected to the tank body, and the main shaft passes through the connecting block. A first air passage is opened inside the main shaft, an air inlet hole is opened on the main shaft, and the air inlet hole is communicated with the first air passage. A cavity is opened in the connecting block, and the cavity is communicated with a hot air blower. A gas dispersing mechanism is fixedly connected to the main shaft, and the gas dispersing mechanism is communicated with the first air passage.

[0004] The following technical defects still exist in the above-mentioned disclosed patent: the main shaft will still cause damage to the materials during the process of driving the supporting rods to rotate; and the materials are piled up together, resulting in a small heating area and the drying effect needs to be improved. Summary of the Utility Model

[0005] The purpose of the utility model is to propose a drying device for feed additives in view of the problems existing in the background technique.

[0006] The technical solution of the utility model, a drying device for feed additives, includes:

[0007] A drying box, a first transmission shaft is rotatably installed at the center of the drying box. A first spiral conveyor blade is arranged inside the drying box. The first spiral conveyor blade is installed on the first transmission shaft. The first transmission shaft has a hollow structure, and a plurality of through holes are opened on the first transmission shaft;

[0008] The conveying pipe is fixedly connected to the drying box. A second discharge inclined pipe is communicatively arranged between the upper end of the drying box and the upper end of the conveying pipe. A discharge pipe assembly is communicatively arranged between the lower end of the drying box and the lower end of the conveying pipe. A second transmission shaft is rotatably installed at the center of the conveying pipe. A second spiral conveyor blade is arranged inside the conveying pipe. The second spiral conveyor blade is installed on the second transmission shaft. Both the second spiral conveyor blade and the second transmission shaft have a hollow structure, and the internal cavity of the second spiral conveyor blade is communicatively connected to the internal cavity of the second transmission shaft;

[0009] A power assembly for driving the first transmission shaft and the second transmission shaft to rotate synchronously;

[0010] A heating device for conveying hot air into the first transmission shaft and the second transmission shaft.

[0011] Preferably, the discharge pipe assembly includes a first discharge inclined pipe and a vertical pipe. The first discharge inclined pipe is communicatively arranged between the conveying pipe and the drying box. The vertical pipe is vertically arranged in the middle of the first discharge inclined pipe. The inner sides of the first discharge inclined pipe and the vertical pipe are communicatively connected. A humidity sensor and an electric control valve are installed on the vertical pipe.

[0012] Preferably, the power assembly includes a motor, a belt, and two belt pulleys. A motor bracket is arranged at the upper end of the conveying pipe. The motor is installed on the motor bracket. The second transmission shaft penetrates through the upper and lower ends of the conveying pipe and is connected to the output shaft of the motor. The first transmission shaft penetrates through the upper and lower ends of the drying box. The two belt pulleys are respectively installed at the upper ends of the second transmission shaft and the first transmission shaft. The two belt pulleys are connected by belt drive.

[0013] Preferably, the heating device includes a hot air blower. A first rotary joint and a second rotary joint are respectively installed at the bottom ends of the first transmission shaft and the second transmission shaft. A ventilation pipe is connected between the second rotary joint and the first rotary joint. The hot air blower is installed on the drying box. The output end of the hot air blower is communicatively connected to the ventilation pipe.

[0014] Preferably, the inner cavity bottom end of the drying box is of a funnel-shaped structure.

[0015] Preferably, the surfaces of the first spiral conveyor blade and the second spiral conveyor blade are both wrapped with soft silica gel.

[0016] Compared with the prior art, the utility model has the following beneficial technical effects: By setting the first spiral conveyor blade in this technical solution, the material naturally rolls downward along the path direction of the first spiral conveyor blade, increasing the heating area of the material. And during the rolling process, the material can automatically turn over. Compared with the method of setting a stirring member to stir the material, it is beneficial to ensure the integrity of the material particles. Finally, by setting the second spiral conveyor blade, the material can circulate inside the drying box, fully ensuring the drying effect of the material. Description of the Drawings

[0017] Figure 1 and Figure 2 are both structural schematic diagrams of the present utility model.

[0018] Figure 3 is a sectional structure diagram of the present utility model.

[0019] Reference numerals in the drawings: 1, drying oven; 2, conveying pipe; 3, first transmission shaft; 4, first spiral conveyor blade; 5, second spiral conveyor blade; 6, humidity sensor; 71, first discharge inclined pipe; 72, vertical pipe; 8, electric control valve; 9, second discharge inclined pipe; 10, motor; 11, second transmission shaft; 12, hot air blower; 131, first rotary joint; 132, second rotary joint; 14, ventilation pipe; 151, belt; 152, belt pulley. Specific implementation manners

[0020] Embodiment 1

[0021] As Figures 1 - 3 shown, a drying device for a feed additive proposed in this embodiment includes a drying oven 1, a conveying pipe 2, a power assembly, and a heat supply device.

[0022] The inner bottom end of the drying oven 1 is of a funnel-shaped structure, which can avoid the accumulation of materials at the inner bottom end of the drying oven 1; a first transmission shaft 3 is rotatably installed at the center of the drying oven 1, a first spiral conveyor blade 4 is arranged inside the drying oven 1, the first spiral conveyor blade 4 is installed on the first transmission shaft 3, the first transmission shaft 3 has a hollow structure, and a plurality of through holes are formed in the first transmission shaft 3.

[0023] The conveying pipe 2 is fixedly connected to the drying oven 1, a second discharge inclined pipe 9 is communicated between the upper end of the drying oven 1 and the upper end of the conveying pipe 2, a discharge pipe assembly is communicated between the lower end of the drying oven 1 and the lower end of the conveying pipe 2, a second transmission shaft 11 is rotatably installed at the center of the conveying pipe 2, a second spiral conveyor blade 5 is arranged inside the conveying pipe 2, the surfaces of the first spiral conveyor blade 4 and the second spiral conveyor blade 5 are both wrapped with soft silica gel, the soft silica gel is a flexible material and has a certain buffering effect, which can reduce the probability of material breakage, the second spiral conveyor blade 5 is installed on the second transmission shaft 11, both the second spiral conveyor blade 5 and the second transmission shaft 11 have a hollow structure, and the inner cavity of the second spiral conveyor blade 5 is communicated with the inner cavity of the second transmission shaft 11.

[0024] The power assembly is used to drive the first transmission shaft 3 and the second transmission shaft 11 to rotate synchronously. The power assembly includes a motor 10, a belt 151, and two belt pulleys 152. The upper end of the conveying pipe 2 is provided with a motor bracket, and the motor 10 is installed on the motor bracket. The second transmission shaft 11 penetrates through the upper and lower ends of the conveying pipe 2 and is connected to the output shaft of the motor 10. The first transmission shaft 3 penetrates through the upper and lower ends of the drying oven 1. The two belt pulleys 152 are respectively installed at the upper ends of the second transmission shaft 11 and the first transmission shaft 3, and the two belt pulleys 152 are drivingly connected by the belt 151.

[0025] The heating device is used to convey hot air into the first transmission shaft 3 and the second transmission shaft 11. The heating device includes a hot air blower 12. The bottom ends of the first transmission shaft 3 and the second transmission shaft 11 are respectively installed with a first rotary joint 131 and a second rotary joint 132. A ventilation pipe 14 is connected between the second rotary joint 132 and the first rotary joint 131. The hot air blower 12 is installed on the drying oven 1, and the output end of the hot air blower 12 is communicated with the ventilation pipe 14. When the hot air blower 12 is started to work, the hot air blower 12 blows the generated hot air into the interior of the ventilation pipe 14, and then enters the interiors of the first transmission shaft 3 and the second transmission shaft 11 respectively through the first rotary joint 131 and the second rotary joint 132.

[0026] In this embodiment, when drying the material (feed additive), the material is put into the interior of the drying oven 1 through the upper opening of the drying oven 1, and the material particles roll down along the first spiral conveyor blade 4 to the bottom end inside the drying oven 1. During this process, the hot air blower 12 is started to work to convey hot air into the interiors of the first transmission shaft 3 and the second transmission shaft 11. The hot air enters the interior of the drying oven 1 through the through holes on the first transmission shaft 3, so that the heating of the material can be realized. By setting the first spiral conveyor blade 4, the passing time of the material can be prolonged, and the raw materials can also be prevented from piling up together to increase the heating area of the raw materials. The raw materials enter the interior of the conveying pipe 2 through the discharge pipe assembly. The motor 10 drives the second spiral conveyor blade 5 to rotate, and the output hot air heats the second transmission shaft 11 and the second spiral conveyor blade 5. Ventilation holes are opened at the upper end of the second transmission shaft 11 to discharge the hot air. The heated second transmission shaft 11 and the second spiral conveyor blade 5 can continuously heat and dry the material during the conveying process. After the raw materials are lifted to the top end inside the conveying pipe 2, the raw materials are discharged back into the top end inside the drying oven 1 through the second discharge inclined pipe 9 for re-drying work.

[0027] Embodiment Two

[0028] Such as Figure 3As shown in the figure, a drying device for a feed additive proposed in this embodiment. Compared with the first embodiment, in this embodiment, the discharge pipe assembly includes a first discharge inclined pipe 71 and a vertical pipe 72. The first discharge inclined pipe 71 is communicatively connected between the conveying pipe 2 and the drying box 1. The vertical pipe 72 is vertically arranged in the middle of the first discharge inclined pipe 71. The inner sides of the first discharge inclined pipe 71 and the vertical pipe 72 are communicatively connected. A humidity sensor 6 and an electric control valve 8 are installed on the vertical pipe 72. The material to be dried is discharged into the bottom end of the conveying pipe 2 through the first discharge inclined pipe 71. During this process, the humidity of the material is monitored in real time by the installed humidity sensor 6, and the detection information is fed back to the controller. When the humidity of the material meets the requirements, the controller controls the electric control valve 8 to open, and at this time the material is discharged. When it is detected that the humidity of the material does not meet the standard, the electric control valve 8 is in a closed state, and the material is discharged into the interior of the conveying pipe 2 and finally conveyed back into the interior of the drying box 1 for cyclic drying.

[0029] The embodiments of the present utility model have been described in detail above in conjunction with the accompanying drawings. However, the present utility model is not limited to this. Within the scope of knowledge possessed by those skilled in the art to which the present utility model pertains, various changes can be made without departing from the gist of the present utility model.

Claims

1. A drying device for a feed additive, characterized in that, include: A drying box (1), wherein a first transmission shaft (3) is rotatably mounted at the center of the drying box (1), a first spiral conveying blade (4) is arranged on the inner side of the drying box (1), and the first spiral conveying blade (4) is mounted on the first transmission shaft (3), the first transmission shaft (3) has a hollow structure, and a plurality of through holes are opened on the first transmission shaft (3); A conveying pipe (2), the conveying pipe (2) is fixedly connected to the drying box (1), a second discharge inclined pipe (9) is arranged between the upper end of the drying box (1) and the upper end of the conveying pipe (2), a discharge pipe assembly is arranged between the lower end of the drying box (1) and the lower end of the conveying pipe (2), a second transmission shaft (11) is rotatably mounted at the center of the conveying pipe (2), a second spiral conveying blade (5) is arranged on the inner side of the conveying pipe (2), the second spiral conveying blade (5) is mounted on the second transmission shaft (11), the second spiral conveying blade (5) and the second transmission shaft (11) both have a hollow structure, and the internal cavity of the second spiral conveying blade (5) is connected to the internal cavity of the second transmission shaft (11); A power assembly for driving the first transmission shaft (3) and the second transmission shaft (11) to rotate synchronously; A heating device for conveying hot air to the interior of a first transmission shaft (3) and a second transmission shaft (11).

2. The drying device for a feed additive according to claim 1, characterized in that, The discharge pipe assembly comprises a first discharge inclined pipe (71) and a vertical pipe (72); the first discharge inclined pipe (71) is arranged in communication between the conveying pipe (2) and the drying box (1); the vertical pipe (72) is arranged vertically in the middle of the first discharge inclined pipe (71); the first discharge inclined pipe (71) is in communication with the inner side of the vertical pipe (72); a humidity sensor (6) and an electric control valve (8) are installed on the vertical pipe (72).

3. The drying device for a feed additive according to claim 1, wherein The power assembly comprises a motor (10), a belt (151) and two pulleys (152); a motor bracket is arranged at the upper end of the conveying pipe (2); the motor (10) is mounted on the motor bracket; a second transmission shaft (11) passes through the upper and lower ends of the conveying pipe (2) and is connected to the output shaft of the motor (10); a first transmission shaft (3) passes through the upper and lower ends of the drying box (1); the two pulleys (152) are respectively mounted on the upper ends of the second transmission shaft (11) and the first transmission shaft (3); and the two pulleys (152) are connected to each other through a belt (151).

4. A drying device for a feed additive according to claim 1, characterized in that, The heating device comprises a hot air blower (12); a first rotating joint (131) and a second rotating joint (132) are respectively installed at the bottom ends of the first transmission shaft (3) and the second transmission shaft (11); a ventilation pipe (14) is connected between the second rotating joint (132) and the first rotating joint (131); the hot air blower (12) is installed on the drying box (1); and the output end of the hot air blower (12) is connected to the ventilation pipe (14).

5. A drying device for a feed additive according to claim 1, characterized in that, The bottom end of the inner cavity of the drying box (1) is a funnel-shaped structure.

6. The drying device for a feed additive according to claim 1, characterized in that, The surfaces of the first spiral conveying blade (4) and the second spiral conveying blade (5) are both coated with soft silica gel.

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