Continuous preheating and drying integrated system for granular solid materials

Abstract

The invention provides a continuous preheating and drying integrated system for granular solid materials, and belongs to the technical field of drying machines. Comprising a drying tank, hollow shaft rods are symmetrically and rotatably connected to one side wall of the drying tank, hollow partition plates arranged between the hollow shaft rods are arranged on the inner side wall of the drying tank, heating wires are arranged in the hollow shaft rods and the hollow partition plates, an inlet is formed in one side of the top of the drying tank, an outlet is formed in the other side of the top of the drying tank, and anti-blocking assemblies are arranged in the inlet and the outlet. The anti-blocking assembly is used for preventing to-be-dried granular solid materials from blocking the inlet and the outlet, and a driving assembly for simultaneously driving the hollow shaft rod and the anti-blocking assembly to work is arranged on one side of the drying tank. The two hollow shaft rods are arranged in the drying tank, multiple drying machines do not need to be spliced together, work of the hollow shaft rods and the anti-blocking assembly can be achieved at the same time through the driving assembly, and compared with a traditional mode that corresponding driving assemblies are needed to drive the hollow shaft rods and the anti-blocking assembly to work, the comprehensive cost is reduced, and the resource utilization rate is increased.

Description

Technical Field

[0001] The invention provides an integrated system for continuous preheating and drying of granular solid materials, belonging to the technical field of dryers. Background Art

[0002] Dryer, as the name implies, is a device used to dry materials to reduce the internal moisture content. It is widely used in many industries such as food processing and raw material processing. Most of the existing dryer equipment is of spiral conveyor type or conveyor belt type. Among them, spiral dryers are widely used because they can be spliced ​​together in sections from top to bottom to achieve full drying of materials.

[0003] The existing spiral dryers and their systems that are spliced ​​together in sections from top to bottom can basically meet the use requirements and can realize the continuous preheating and drying integration of granular solid materials. However, multiple dryers need to be spliced ​​together during the entire drying process, and each spiral dryer usually needs to be equipped with a corresponding drive component. In order to prevent the granular solid materials from blocking the inlet and outlet of the spiral dryer, it is necessary to add an anti-blocking component, and the anti-blocking component also needs to be equipped with a corresponding drive component, which leads to an increase in comprehensive costs and resource utilization needs to be improved. Based on this, the present invention provides an integrated system for continuous preheating and drying of granular solid materials. Summary of the invention

[0004] In order to solve the problems existing in the background technology, the present invention provides an integrated system for continuous preheating and drying of granular solid materials, which can simultaneously realize the operation of the hollow shaft rod and the anti-blocking component through the driving component. Compared with the traditional method that requires corresponding driving components to drive the operation of the hollow shaft rod and the anti-blocking component respectively, it reduces the overall cost and improves resource utilization.

[0005] The present invention provides an integrated system for continuous preheating and drying of granular solid materials. The technical solution proposed is as follows: comprising a drying tank, one side wall of the drying tank is symmetrically rotatably connected with a hollow shaft rod, the inner side wall of the drying tank is provided with a hollow partition placed between the hollow shaft rods, the hollow shaft rods and the hollow partition rods are both provided with heating wires for heating the hollow shaft rods and the hollow partition rods, an inlet is provided on one side of the top of the drying tank, an outlet is provided on the other side of the top of the drying tank, and anti-blocking components are provided in the inlet and the outlet to prevent the granular materials to be dried from being blocked. Solid materials block the inlet and outlet, and a driving component that drives the hollow shaft and the anti-blocking component to work at the same time is provided on one side of the drying tank. The driving component includes a motor, and the output end of the motor is fixedly connected to a support rod, and a main pulley 1 and a main pulley 2 are provided on the support rod. The other side wall of the hollow shaft passes through the other side wall of the drying tank and is provided with a slave pulley 1. A connected slave pulley 2 is provided on one side of the anti-blocking component, and a matching belt 1 is provided between the main pulley 1 and the slave pulley 1, and a matching belt 2 is provided between the main pulley 2 and the slave pulley 2.

[0006] Furthermore, the anti-blocking component includes a rotating rod rotatably connected to an inner wall of the inlet and outlet, and the upper circumference of the rotating rod is provided with flaps placed in the inlet and outlet. The other end of the rotating rod passes through the other side wall of the inlet and outlet and is fixedly connected to the second pulley.

[0007] Furthermore, the drying tank includes a shell, a heating jacket arranged inside the shell, a heating inlet located on one side of the shell and connected to the heating jacket, and a heating outlet located on the other side of the shell and connected to the heating jacket, and hot steam is injected into the heating jacket to heat the drying tank.

[0008] Furthermore, the drying tank side walls are provided with vacuum ports located on both sides of the hollow partition.

[0009] Furthermore, a discharge port is provided on one side of the hollow partition away from the inlet and the outlet, which allows the granular solid material preheated on the top of the hollow partition to flow downward, thereby realizing continuous preheating and drying of the granular solid material.

[0010] Furthermore, the upper hollow shaft is provided with a spiral blade 1, and the lower hollow shaft is provided with a spiral blade 2 which rotates in the opposite direction to the spiral blade 1.

[0011] Furthermore, the motor is fixedly arranged on the outer side wall of the drying tank, the other end of the support rod is rotatably connected to the outer side wall of the drying tank, and support legs are symmetrically arranged on both side walls of the drying tank.

[0012] The beneficial effects of the present invention are as follows: the present invention arranges two hollow shafts in the drying tank, and there is no need to splice multiple dryers together. The driving assembly can realize the operation of the hollow shaft and the anti-blocking assembly at the same time. Compared with the traditional method that requires corresponding driving assemblies to drive the operation of the hollow shaft and the anti-blocking assembly respectively, the overall cost is reduced and the resource utilization rate is improved; it can make the drying tank be in a low-pressure vacuum state, which can effectively increase the contact area between the granular solid material and the heat source, thereby effectively improving the drying efficiency. BRIEF DESCRIPTION OF THE DRAWINGS

[0013] Figure 1 The structure of the integrated system for continuous preheating and drying of granular solid materials of the present invention is shown in FIG. Figure 1 .

[0014] Figure 2 The structure of the integrated system for continuous preheating and drying of granular solid materials of the present invention is shown in FIG. Figure 2 .

[0015] Figure 3 It is a schematic plan view of a continuous preheating and drying integrated system for granular solid materials according to the present invention.

[0016] Figure 4 It is a plan cross-sectional view of a continuous preheating and drying integrated system for granular solid materials according to the present invention.

[0017] Figure 5 It is a partial enlarged view of a continuous preheating and drying integrated system for granular solid materials of the present invention.

[0018] 1. Drying tank; 2. Hollow shaft; 3. Hollow partition; 4. Heating wire; 5. Inlet; 6. Outlet; 7. Anti-blocking assembly; 8. Driving assembly; 9. Motor; 10. Support rod; 11. Main pulley 1; 12. Main pulley 2; 13. Slave pulley 1; 14. Slave pulley 2; 15. Belt 1; 16. Belt 2; 17. Rotating rod; 18. Flipping blade; 19. Shell; 20. Heating jacket; 21. Heating inlet; 22. Heating outlet; 23. Vacuum port; 24. Feeding port; 25. Spiral blade 1; 26. Spiral blade 2; 27. Support leg. DETAILED DESCRIPTION

[0019] The present invention is further described below in conjunction with the accompanying drawings.

[0020] According to the attached Figure 1 , 2As shown in , 4 and 5: a continuous preheating and drying integrated system for granular solid materials of the present invention comprises a drying tank 1, and supporting legs 27 are symmetrically arranged on both side walls of the drying tank 1, and a hollow shaft rod 2 is symmetrically rotatably connected to one side wall of the drying tank 1, and a hollow partition plate 3 placed between the hollow shaft rods 2 is arranged on the inner side wall of the drying tank 1, and heating wires 4 are arranged in the hollow shaft rods 2 and the hollow partition plate 3 for heating the hollow shaft rods 2 and the hollow partition plate 3, an inlet 5 is arranged on one side of the top of the drying tank 1, and an outlet 6 is arranged on the other side of the top of the drying tank 1, and a discharge port 24 is arranged on the side of the hollow partition plate 3 away from the inlet 5 and the outlet 6, a spiral blade 25 is arranged on the upper hollow shaft rod 2, and a spiral blade 26 with a rotation direction opposite to that of the spiral blade 25 is arranged on the lower hollow shaft rod 2, and the granular solid materials are continuously pushed forward and stirred and dispersed by the spiral blade 25 on the upper hollow shaft rod 2, and then the granular solid materials preheated on the top of the hollow partition plate 3 flow downward through the discharge port 24, and pass through the lower hollow The spiral blade 25 provided on the shaft 2 continues to propel and stir in the reverse direction to achieve continuous preheating and drying of the granular solid material. The drying tank 1 includes a shell 19, a heating jacket 20 arranged inside the shell 19, a heating inlet 21 located on one side of the shell 19 and connected to the heating jacket 20, and a heating outlet 22 located on the other side of the shell 19 and connected to the heating jacket 20. By connecting the heating inlet 21 and the heating outlet 22 with an external hot steam generating device, hot steam is injected into the heating jacket 20 to supply heat to the drying tank 1. A vacuum port 23 disposed on both sides of the hollow partition 3 is provided on the side wall of the drying tank 1. By connecting the vacuum port 23 with an external vacuum device, the interior of the drying tank 1 can be vacuumed so that it is in a low-pressure vacuum state during drying. By starting the heating wire 4 to supply heat to the hollow shaft 2 and the hollow partition 3, the contact area between the granular solid material and the heat source can be effectively increased, thereby effectively improving the drying efficiency.

[0021] According to the attached Figure 1 , 2As shown in 3 and 4: the inlet 5 and the outlet 6 are both provided with an anti-blocking component 7, which is used to prevent the granular solid material to be dried from blocking the inlet 5 and the outlet 6. A driving component 8 is provided on one side of the drying tank 1 for driving the hollow shaft 2 and the anti-blocking component 7 to work at the same time. The driving component 8 includes a motor 9. The output end of the motor 9 is fixedly connected to a support rod 10, and the support rod 10 is provided with a main pulley 11 and a main pulley 2 12. The other side wall of the hollow shaft 2 passes through the other side wall of the drying tank 1 and is provided with a slave pulley 13. A connected slave pulley 2 14 is provided on one side of the anti-blocking component 7. A matching belt 15 is provided between the main pulley 11 and the slave pulley 13, and a matching belt 2 is provided between the main pulley 2 12 and the slave pulley 2 14. 16, the motor 9 is fixedly arranged on the outer wall of the drying tank 1, and the other end of the support rod 10 is rotatably connected to the outer wall of the drying tank 1. By starting the motor 9, the support rod 10 is driven to rotate, and then the main pulley 11 and the main pulley 2 12 are driven to rotate. With the cooperation of the belt 15 and the belt 2 16, the slave pulley 13 and the slave pulley 2 14 are driven to rotate. The rotation of the slave pulley 13 drives the hollow shaft 2 to rotate, and the rotation of the slave pulley 2 14 drives the anti-blocking component 7 to rotate, so that the work of the hollow shaft 2 and the anti-blocking component 7 can be realized at the same time through the same driving component 8. Compared with the traditional method that requires corresponding driving components to drive the work of the hollow shaft 2 and the anti-blocking component 7, the overall cost is reduced and the resource utilization rate is improved.

[0022] According to the attached Figure 1 As shown: the anti-blocking component 7 includes a rotating rod 17 rotatably connected to an inner side wall of the inlet 5 and the outlet 6, and a flip leaf 18 is arranged on the upper circumference of the rotating rod 17 and is placed in the inlet 5 and the outlet 6. The other end of the rotating rod 17 passes through the other side wall of the inlet 5 and the outlet 6 and is fixedly connected to the second pulley 14. The rotation of the rotating rod 17 drives the flip leaf 18 to rotate, thereby preventing the granular solid material to be dried from blocking the inlet 5 and the outlet 6.

[0023] Working principle:

[0024] When in use, hot steam is injected into the heating jacket 20 to heat the drying tank 1, and the interior of the drying tank 1 is evacuated through the vacuum port 23, so that it is in a low-pressure vacuum state during drying. The heating wire 4 is started to heat the hollow shaft 2 and the hollow partition 3, which can effectively increase the contact area between the granular solid material and the heat source, thereby effectively improving the drying efficiency.

[0025] When drying granular solid materials, the driving component 8 can realize the operation of the hollow shaft 2 and the anti-blocking component 7 at the same time. Compared with the traditional method that requires corresponding driving components to drive the hollow shaft 2 and the anti-blocking component 7 to work, it reduces the overall cost and improves the resource utilization rate. The rotation of the rotating rod 17 drives the turning blades 18 to rotate, thereby preventing the granular solid materials to be dried from blocking the inlet 5 and the outlet 6. The spiral blades 25 on the upper hollow shaft 2 continuously push the granular solid materials forward and stir them to break them up. Then, the granular solid materials preheated on the top of the hollow partition 3 flow downward through the discharge port 24, and are continuously pushed and stirred in the reverse direction by the spiral blades 25 on the lower hollow shaft 2, thereby realizing continuous preheating and drying of the granular solid materials.

[0026] The present invention and its embodiments are described above, and such description is not restrictive. The drawings show only one embodiment of the present invention, and the actual structure is not limited thereto. In short, if ordinary technicians in the field are inspired by it, without departing from the purpose of the invention, they can design a structure and embodiment similar to the technical solution without creativity, which should belong to the protection scope of the present invention.

Claims

1. A continuous preheating and drying integrated system for granular solid materials, comprising a drying tank (1), characterized in that: A hollow shaft (2) is symmetrically rotatably connected to one side wall of the drying tank (1); a hollow partition (3) is arranged between the hollow shafts (2) on the inner side wall of the drying tank (1); heating wires (4) are arranged in the hollow shafts (2) and the hollow partitions (3) for supplying heat to the hollow shafts (2) and the hollow partitions (3); an inlet (5) is arranged on one side of the top of the drying tank (1); an outlet (6) is arranged on the other side of the top of the drying tank (1); anti-blocking components (7) are arranged in the inlet (5) and the outlet (6) for preventing the granular solid material to be dried from blocking the inlet (5) and the outlet (6); a heating wire (4) is arranged on one side of the drying tank (1) for driving the hollow shafts (2) and the hollow partitions (3) at the same time; (2) a driving assembly (8) for the anti-blocking assembly (7), wherein the driving assembly (8) comprises a motor (9), the output end of the motor (9) is fixedly connected to a support rod (10), the support rod (10) is provided with a main pulley 1 (11) and a main pulley 2 (12), the other side wall of the hollow shaft (2) passes through the other side wall of the drying tank (1) and is provided with a slave pulley 1 (13), one side of the anti-blocking assembly (7) is provided with a connected slave pulley 2 (14), a matching belt 1 (15) is provided between the main pulley 1 (11) and the slave pulley 1 (13), and a matching belt 2 (16) is provided between the main pulley 2 (12) and the slave pulley 2 (14).

2. The continuous preheating and drying integrated system for granular solid materials according to claim 1 is characterized in that: The anti-blocking assembly (7) comprises a rotating rod (17) rotatably connected to an inner side wall of the inlet (5) and the outlet (6); a flap (18) is arranged on the upper circumference of the rotating rod (17) and is arranged inside the inlet (5) and the outlet (6); the other end of the rotating rod (17) passes through the other side wall of the inlet (5) and the outlet (6) and is fixedly connected to the second pulley (14).

3. The continuous preheating and drying integrated system for granular solid materials according to claim 1 is characterized in that: The drying tank (1) comprises a shell (19), a heating jacket (20) arranged inside the shell (19), a heating inlet (21) located on one side of the shell (19) and connected to the heating jacket (20), and a heating outlet (22) located on the other side of the shell (19) and connected to the heating jacket (20), and hot steam is injected into the heating jacket 20 to supply heat to the drying tank 1.

4. The continuous preheating and drying integrated system for granular solid materials according to claim 1 is characterized in that: The drying tank (1) has side walls provided with vacuum ports (23) disposed on both sides of the hollow partition (3).

5. The integrated system for continuous preheating and drying of granular solid materials according to claim 1, characterized in that: A discharge port (24) is provided on one side of the hollow partition (3) away from the inlet (5) and the outlet (6), which serves to allow the granular solid material preheated on the top of the hollow partition 3 to flow downward, thereby achieving continuous preheating and drying of the granular solid material.

6. The continuous preheating and drying integrated system for granular solid materials according to claim 1 is characterized by: The upper hollow shaft (2) is provided with a spiral blade 1 (25), and the lower hollow shaft (2) is provided with a spiral blade 2 (26) which rotates in the opposite direction to the spiral blade 1 (25).

7. The integrated system for continuous preheating and drying of granular solid materials according to claim 1, characterized in that: The motor (9) is fixedly mounted on the outer wall of the drying tank (1), the other end of the support rod (10) is rotatably connected to the outer wall of the drying tank (1), and support legs (27) are symmetrically arranged on both side walls of the drying tank (1).

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