Mixing dryer

Abstract

The utility model relates to the technical field of mixing machines, and discloses a mixing dryer which comprises a cylinder body, a driving device, a stirring device, an ultrasonic atomizer and a dust removal device, according to the ultrasonic atomizer, the rotating shaft is driven to rotate through the driving device, then the scraping plate and the coulter on the rotating shaft are made to rotate, materials input from the feeding port are dispersed, liquid drops in the nozzle are atomized through the vibration unit of the ultrasonic atomizer, and the nozzle can spray fog drops to the materials to be mixed with the materials; and the vibration unit enables water molecules around the materials to generate high-frequency vibration through ultrasonic waves to generate heat so as to heat water in the materials to form water vapor, and finally negative pressure is formed at a dust removal opening through the dust removal device to discharge the water vapor in the barrel, so that the materials are dried. The drying effect of the materials is guaranteed, the occupied plant space is reduced, heat loss in the heat transfer process can be reduced, and the energy utilization rate is increased.

Description

Technical Field

[0001] The utility model relates to the technical field of mixers, in particular to a mixing dryer. Background Art

[0002] At present, in the production of battery materials, in order to ensure the safety of high-nickel products, high-nickel products need to be thoroughly dried in a mixed dryer after water washing before they can be put into use. The existing mixed dryers mainly heat the cylinder wall by steam or heat transfer oil, and then heat the materials in the cylinder wall to achieve the drying of the materials. Although this mixed dryer can ensure the drying effect, it needs to be equipped with steam or heat transfer machines. Due to their large size, these devices will increase the space occupied by the factory, and in the drying process, a large part of the heat of steam or heat transfer oil will be lost in the process of heat transfer, resulting in energy waste. Utility Model Content

[0003] The utility model aims to provide a mixed drying machine which can reduce the occupation of plant space and improve the utilization rate of energy while ensuring the drying effect.

[0004] In order to achieve the above-mentioned purpose, the utility model provides a mixing dryer, comprising: a cylinder, a driving device, a stirring device, an ultrasonic atomizer and a dust removal device; the interior of the cylinder is hollow, and the cylinder has a feed port, a discharge port and a dust removal port, the feed port is used to input materials, and the discharge port is used to output the materials; the stirring device comprises a rotating shaft, a plow blade and a scraper, the rotating shaft is arranged inside the cylinder, and the plow blade and the scraper are arranged on the rotating shaft at intervals along the length direction of the rotating shaft; the driving device is arranged on one side of the cylinder and connected to the rotating shaft, and the driving device is used to drive the rotating shaft to rotate; the ultrasonic atomizer is arranged inside the cylinder, the ultrasonic atomizer comprises a nozzle and a vibration unit, the vibration unit is arranged at the nozzle, the vibration unit is used to generate ultrasonic waves and atomize droplets in the nozzle, and the nozzle is used to input the atomized droplets into the interior of the cylinder; the dust removal device is arranged at the dust removal port, and is used to form a negative pressure at the dust removal port.

[0005] Optionally, it also includes a liquid supply device, which includes a silo, a liquid inlet valve, a liquid outlet valve, a pressure control mechanism and a liquid supply pipeline. The silo has a liquid inlet, a liquid outlet and a pressure control port. The liquid inlet valve is arranged at the liquid inlet, the liquid outlet valve is arranged at the liquid outlet, and the pressure control mechanism is arranged at the pressure control port for controlling the air pressure inside the silo. The liquid outlet valve is connected to the ultrasonic atomizer through the liquid supply pipeline.

[0006] Optionally, the liquid supply device further includes a weighing sensor and a pressure sensor, and the weighing sensor and the pressure sensor are arranged in the silo, the weighing sensor is used to detect the weight of the silo, and the pressure sensor is used to detect the pressure inside the silo.

[0007] Optionally, the nozzle is spiral-shaped.

[0008] Optionally, a plurality of the ultrasonic atomizers are included, and the plurality of the ultrasonic atomizers are arranged at intervals inside the cylinder.

[0009] Optionally, the nozzle is made of PTFE or UPVC material.

[0010] Optionally, a temperature sensor is further included, wherein the temperature sensor is arranged inside the cylinder and is used to detect the temperature inside the cylinder.

[0011] Optionally, the plow includes a cutter head and a stirring arm, one end of the stirring arm is connected to the cutter head, and the other end is connected to the rotating shaft, and an angle between an extension direction of the cutter head and an extension direction of the stirring arm is A, 25°≤A≤85°.

[0012] Optionally, the scraper includes a rod body, a plate body and an auxiliary blade, one end of the rod body is connected to the plate body, and the other end is connected to the rotating shaft, and the auxiliary blade is arranged on the rod body and located between the plate body and the rotating shaft.

[0013] Optionally, a vacuum device is also included, which is arranged on the cylinder and is used to form a vacuum inside the cylinder.

[0014] Compared with the prior art, the hybrid dryer of the utility model embodiment has the following beneficial effects: the application first drives the rotating shaft to rotate through the driving device, thereby rotating the scraper and the plow blade on the rotating shaft, dispersing the material input from the feed port, and then the vibration unit of the ultrasonic atomizer atomizes the droplets in the nozzle, so that the nozzle can spray fine and powerful droplets to the material to mix with the material, and the vibration unit also causes the water molecules around the material to vibrate at high frequency through ultrasonic waves to generate heat, so as to heat the moisture in the material to form water vapor, and finally the dust removal device forms a negative pressure at the dust removal port to discharge the water vapor in the cylinder to achieve the drying of the material. The application integrates the ultrasonic atomizer on the cylinder, which not only ensures the drying effect of the material, but also reduces the occupation of the plant space, and can also reduce the heat loss in the heat transfer process, thereby improving the utilization rate of energy. BRIEF DESCRIPTION OF THE DRAWINGS

[0015] Figure 1 It is a structural schematic diagram of a mixing dryer according to an embodiment of the utility model;

[0016] Figure 2 It is an embodiment of the utility model Figure 1 The enlarged view of point B;

[0017] Figure 3 It is a side view of the mixing dryer of the embodiment of the utility model;

[0018] Figure 4 It is a top view of the mixing dryer according to an embodiment of the utility model.

[0019] In the figure, 1. cylinder; 11. feed port; 12. discharge port; 13. dust removal port; 2. driving device; 21. motor; 22. reducer; 3. stirring device; 31. rotating shaft; 32. plow blade; 321. cutter head; 322. stirring arm; 33. scraper; 331. rod body; 332. plate body; 333. auxiliary blade; 4. ultrasonic atomizer; 41. nozzle; 42. vibration unit; 5. liquid supply device; 51. silo; 52. liquid inlet valve; 53. liquid outlet valve; 54. pressure control mechanism; 55. liquid supply pipeline; 56. weighing sensor; 57. pressure sensor; 6. temperature sensor; 7. base; 8. reinforcing ribs. DETAILED DESCRIPTION

[0020] The following is a further detailed description of the specific implementation of the present invention in conjunction with the accompanying drawings and examples. The following examples are used to illustrate the present invention, but are not intended to limit the scope of the present invention.

[0021] In the description of the present invention, it should be understood that the terms "top", "bottom", "inside", "outside", etc. indicate orientations or positional relationships based on the orientations or positional relationships shown in the accompanying drawings, and are only for the convenience of describing the present invention and simplifying the description, rather than indicating or implying that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and therefore cannot be understood as a limitation on the present invention.

[0022] In addition, the terms "first" and "second" are used for descriptive purposes only and should not be understood as indicating or implying relative importance or implicitly indicating the number of the indicated technical features. Therefore, the features defined as "first" and "second" may explicitly or implicitly include one or more of the features. In the description of the present utility model, the meaning of "plurality" is two or more, unless otherwise clearly and specifically defined.

[0023] like Figure 1 and Figure 2As shown, a mixing dryer according to an embodiment of the utility model comprises: a cylinder 1, a driving device 2, a stirring device 3, an ultrasonic atomizer 4 and a dust removal device (not shown in the drawings); the cylinder 1 is hollow inside, and the cylinder 1 has a feed port 11, a discharge port 12 and a dust removal port 13, the feed port 11 is used to input materials, and the discharge port 12 is used to output materials; the stirring device 3 comprises a rotating shaft 31, a plow 32 and a scraper 33, the rotating shaft 31 is arranged inside the cylinder 1, and the plow 32 and the scraper 33 are spaced along the length direction of the rotating shaft 31 The driving device 2 is arranged on one side of the cylinder 1 and connected to the rotating shaft 31, and the driving device 2 is used to drive the rotating shaft 31 to rotate; the ultrasonic atomizer 4 is arranged inside the cylinder 1, and the ultrasonic atomizer 4 includes a nozzle 41 and a vibration unit 42, the vibration unit 42 is arranged on the nozzle 41, the vibration unit 42 is used to generate ultrasonic waves and atomize droplets in the nozzle 41, and the nozzle 41 is used to input the atomized droplets into the interior of the cylinder 1; the dust removal device is arranged at the dust removal port 13, and is used to form a negative pressure at the dust removal port 13.

[0024] Based on the above scheme, the present application first drives the rotating shaft 31 to rotate through the driving device 2, and then rotates the scraper 33 and the plow blade 32 on the rotating shaft 31 to disperse the material input from the feed port 11, and then the vibration unit 42 of the ultrasonic atomizer 4 atomizes the droplets in the nozzle 41, so that the nozzle 41 can spray fine and powerful droplets to the material to mix with the material, and the vibration unit 42 will also use ultrasonic waves to make the water molecules around the material vibrate at high frequency to generate heat, so as to heat the moisture in the material to form water vapor, and finally the dust removal device forms a negative pressure at the dust removal port 13 to discharge the water vapor in the cylinder 1, so as to achieve the drying of the material, and the dried material is discharged from the discharge port 12. The present application integrates the ultrasonic atomizer 4 on the cylinder 1, which not only ensures the drying effect of the material, but also reduces the occupation of the factory space, and can also reduce the heat loss in the heat transfer process, thereby improving the energy utilization rate.

[0025] In this embodiment, the scraper 33 and the plow 32 on the rotating shaft 31 are rotated to disperse the material input from the feed port 11 as follows: the plow 32 on the rotating shaft 31 is rotated to move the material at the inner edge of the cylinder 1 toward the middle of the cylinder 1, and the scraper 33 is rotated to continuously throw up and scatter the material.

[0026] like Figure 1 As shown, in some embodiments, in order to ensure the mixing and drying effects of the materials, the rotating shaft 31 extends along the length direction of the cylinder 1, the scraper 33 and the plow blade 32 are arranged at intervals along the extension direction of the rotating shaft 31, the feed port 11 and the dust removal port 13 are arranged at the top of the cylinder 1, and the discharge port 12 is arranged at the bottom of the cylinder 1. By extending the moving distance of the material in the cylinder 1, the mixing and drying effects of the materials are ensured.

[0027] like Figure 1 and Figure 3 As shown, in some embodiments, in order to ensure the stability of the cylinder 1, a base 7 is also included. The cylinder 1 is arranged on the base 7, the driving device 2 is arranged on the base 7 and is located on one side of the cylinder 1, one end of the rotating shaft 31 extends from the cylinder 1 to be connected to the driving device 2, and the other end of the rotating shaft 31 extends from the cylinder 1 and is rotatably connected to the base 7.

[0028] like Figure 1 and Figure 4 As shown, in some embodiments, in order to improve the strength of the cylinder 1 , a plurality of reinforcing ribs 8 are further provided on the outer peripheral side of the cylinder 1 , and the plurality of reinforcing ribs 8 are arranged at intervals along the length direction of the cylinder 1 .

[0029] like Figure 1 and Figure 3 As shown, in some embodiments, for ease of use, the driving device 2 includes a motor 21 and a reducer 22 , and the motor 21 is connected to the rotating shaft 31 via the reducer 22 .

[0030] like Figure 1 As shown, for ease of use, it also includes a liquid supply device 5, which includes a silo 51, a liquid inlet valve 52, a liquid outlet valve 53, a pressure control mechanism 54 and a liquid supply pipeline 55. The silo 51 has a liquid inlet (not shown in the drawings), a liquid outlet (not shown in the drawings) and a pressure control port (not shown in the drawings). The liquid inlet valve 52 is arranged at the liquid inlet, the liquid outlet valve 53 is arranged at the liquid outlet, and the pressure control mechanism 54 is arranged at the pressure control port for controlling the air pressure inside the silo 51. The liquid outlet valve 53 is arranged at the liquid outlet, and the pressure control mechanism 54 is arranged at the pressure control port for controlling the air pressure inside the silo 51. 3 is connected to the ultrasonic atomizer 4 through the liquid supply pipeline 55. When the ultrasonic atomizer 4 is working, the liquid inlet valve 52 closes the liquid inlet, the liquid outlet valve 53 opens the liquid outlet, and the pressure control mechanism 54 maintains the pressure in the silo 51 within 0.1 bar-0.8 bar. When the ultrasonic atomizer 4 stops working, the liquid inlet valve 52 opens the liquid inlet, the liquid outlet valve 53 closes the liquid outlet, and the liquid is added to the silo 51, and the pressure control mechanism 54 continues to maintain the pressure in the silo 51.

[0031] like Figure 1 As shown, in order to facilitate the control of the liquid situation in the silo 51, the liquid supply device 5 also includes a weighing sensor 56 and a pressure sensor 57. The weighing sensor 56 and the pressure sensor 57 are arranged in the silo 51. The weighing sensor 56 is used to detect the weight of the silo 51, and the pressure sensor 57 is used to detect the pressure inside the silo 51. The pressure inside the silo 51 is fed back through the pressure sensor 57, and cooperates with the pressure control mechanism 54 to maintain the pressure in the silo 51. The weight of the liquid inside the silo 51 is fed back through the weighing sensor 56 to determine whether liquid needs to be supplemented.

[0032] like Figure 2As shown, in order to make the droplets sprayed from the nozzle 41 small and favorable, the nozzle 41 is spiral-shaped to reduce the blockage of the liquid.

[0033] like Figure 4 As shown, in order to ensure the drying effect, a plurality of ultrasonic atomizers 4 are included, and the plurality of ultrasonic atomizers 4 are arranged inside the cylinder 1 at intervals.

[0034] like Figure 1 As shown, in some embodiments, in order to prevent the droplets sprayed from the nozzle 41 from splashing the inner wall of the knife barrel 1, the ultrasonic atomizer 4 is arranged at the top middle position of the barrel 1, and the nozzle of the nozzle 41 is arranged toward the rotating shaft 31.

[0035] Optionally, in order to prevent the material from being contaminated by the nozzle 41 , the nozzle 41 is made of PTFE or UPVC material.

[0036] like Figure 3 As shown, in order to be able to detect the temperature inside the cylinder 1 in real time, a temperature sensor 6 is also included. The temperature sensor 6 is arranged inside the cylinder 1 and is used to detect the temperature inside the cylinder 1 to prevent the internal temperature of the cylinder 1 from overheating, causing uncontrolled ignition of the material.

[0037] like Figure 1 As shown, in order to ensure the stirring effect, the plow 32 includes a cutter head 321 and a stirring arm 322, one end of the stirring arm 322 is connected to the cutter head 321, and the other end is connected to the rotating shaft 31, and the angle between the extension direction of the cutter head 321 and the extension direction of the stirring arm 322 is A, 25°≤A≤85°.

[0038] like Figure 1 As shown, for ease of use, the scraper 33 includes a rod body 331, a plate body 332 and an auxiliary blade 333. One end of the rod body 331 is connected to the plate body 332, and the other end is connected to the rotating shaft 31. The auxiliary blade 333 is arranged on the rod body 331 and is located between the plate body 332 and the rotating shaft 31. The wet and sticky material on the rotating shaft 31 is turned down by the auxiliary blade 333, and the auxiliary scraper 33 stirs the material.

[0039] like Figure 1 As shown, in some embodiments, in order to ensure the mixing effect of the materials, the stirring device 3 includes a plurality of plowshares 32 and a plurality of scrapers 33 , and the plurality of plowshares 32 and the plurality of scrapers 33 are staggered along the extension direction of the rotating shaft 31 .

[0040] Optionally, in order to accelerate the speed at which water forms water vapor, a vacuum device (not shown in the drawings) is also included. The vacuum device is arranged on the cylinder 1 and is used to form a vacuum inside the cylinder 1.

[0041] In some embodiments, the vacuum device can be integrated into the dust removal device, and a filter is provided at the dust removal port 13 to prevent materials from being sucked into the dust removal device.

[0042] In summary, the embodiment of the utility model provides a mixing dryer, which first drives the rotating shaft 31 to rotate through the driving device 2, and then rotates the scraper 33 and the plow blade 32 on the rotating shaft 31 to disperse the material input from the feed port 11, and then the vibration unit 42 of the ultrasonic atomizer 4 atomizes the droplets in the nozzle 41, so that the nozzle 41 can spray fine and powerful droplets to the material to mix with the material, and the vibration unit 42 can also use ultrasonic waves to make the water molecules around the material vibrate at high frequency to generate heat, so as to heat the moisture in the material to form water vapor, and the dust removal device forms a negative pressure at the dust removal port 13 to discharge the water vapor in the cylinder 1, so as to achieve the drying of the material, and the dried material is discharged from the discharge port 12. The present application integrates the ultrasonic atomizer 4 on the cylinder 1, which not only ensures the drying effect of the material, but also reduces the occupation of the factory space, and can also reduce the heat loss in the heat transfer process, thereby improving the utilization rate of energy.

[0043] The above is only a preferred embodiment of the present invention. It should be pointed out that for ordinary technicians in this technical field, several improvements and substitutions can be made without departing from the technical principle of the present invention. These improvements and substitutions should also be regarded as the protection scope of the present invention.

Claims

1. A mixing dryer, characterized in that: include: A cylinder (1), a driving device (2), a stirring device (3), an ultrasonic atomizer (4) and a dust removal device; The interior of the cylinder (1) is hollow, and the cylinder (1) has a feed port (11), a discharge port (12) and a dust removal port (13), the feed port (11) is used to input materials, and the discharge port (12) is used to output the materials; The stirring device (3) comprises a rotating shaft (31), a plow blade (32) and a scraper (33); the rotating shaft (31) is arranged inside the cylinder (1); the plow blade (32) and the scraper (33) are arranged on the rotating shaft (31) at intervals along the length direction of the rotating shaft (31); The driving device (2) is arranged on one side of the cylinder (1) and is connected to the rotating shaft (31), and the driving device (2) is used to drive the rotating shaft (31) to rotate; The ultrasonic atomizer (4) is arranged inside the barrel (1), and comprises a nozzle (41) and a vibration unit (42). The vibration unit (42) is arranged on the nozzle (41), and the vibration unit (42) is used to generate ultrasonic waves and atomize droplets in the nozzle (41). The nozzle (41) is used to input the atomized droplets into the barrel (1); The dust removal device is arranged at the dust removal port (13) and is used to form a negative pressure at the dust removal port (13).

2. The mixing dryer according to claim 1, characterized in that: The invention also comprises a liquid supply device (5), wherein the liquid supply device (5) comprises a material bin (51), a liquid inlet valve (52), a liquid outlet valve (53), a pressure control mechanism (54) and a liquid supply pipeline (55); the material bin (51) has a liquid inlet, a liquid outlet and a pressure control port; the liquid inlet valve (52) is arranged at the liquid inlet; the liquid outlet valve (53) is arranged at the liquid outlet; the pressure control mechanism (54) is arranged at the pressure control port and is used to control the gas pressure inside the material bin (51); the liquid outlet valve (53) is connected to the ultrasonic atomizer (4) via the liquid supply pipeline (55).

3. The mixing dryer according to claim 2, characterized in that: The liquid supply device (5) further comprises a weighing sensor (56) and a pressure sensor (57), wherein the weighing sensor (56) and the pressure sensor (57) are arranged in the silo (51), the weighing sensor (56) is used to detect the weight of the silo (51), and the pressure sensor (57) is used to detect the pressure inside the silo (51).

4. The mixing dryer according to claim 1, characterized in that: The nozzle (41) is spiral-shaped.

5. The mixing dryer according to claim 1, characterized in that: It comprises a plurality of ultrasonic atomizers (4), and the plurality of ultrasonic atomizers (4) are arranged at intervals inside the barrel (1).

6. The mixing dryer according to claim 1, characterized in that: The nozzle (41) is made of PTFE or UPVC material.

7. The mixing dryer according to claim 1, characterized in that: It also comprises a temperature sensor (6), which is arranged inside the cylinder (1) and is used to detect the temperature inside the cylinder (1).

8. The mixing dryer according to claim 1, characterized in that: The plow (32) comprises a cutter head (321) and a stirring arm (322), one end of the stirring arm (322) is connected to the cutter head (321), and the other end is connected to the rotating shaft (31), and an angle A is formed between an extension direction of the cutter head (321) and an extension direction of the stirring arm (322), and 25°≤A≤85°.

9. The mixing dryer according to claim 1, characterized in that: The scraper (33) comprises a rod body (331), a plate body (332) and an auxiliary blade (333); one end of the rod body (331) is connected to the plate body (332), and the other end is connected to the rotating shaft (31); the auxiliary blade (333) is arranged on the rod body (331) and is located between the plate body (332) and the rotating shaft (31).

10. The mixing dryer according to claim 1, characterized in that: It also comprises a vacuum device, which is arranged on the cylinder (1) and is used to form a vacuum inside the cylinder (1).

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