Drum-type powder drying device for aluminum paste production

Abstract

The invention relates to the technical field of powder drying, and discloses a drum-type powder drying device for aluminum paste production, the drum-type powder drying device comprises a drum body and a bottom frame, the outer side of the drum body is sleeved with guide rings and a first gear ring, the number of the guide rings is two, the first gear ring is located between the two guide rings, and the guide rings and guide wheel assemblies are distributed correspondingly; the first gear ring and the cylinder body driving motor are correspondingly distributed, a plurality of spiral plates are arranged in the cylinder body, the cylinder body is horizontally distributed, the axis of the cylinder body, the axis of the guide ring and the axis of the first gear ring coincide, the cylinder body and the guide ring or the first gear ring are fixedly connected through welding, and the cylinder body, the guide ring or the first gear ring can synchronously rotate after being installed. The rotating barrel pushes materials to move towards one side of the discharging port through the installed spiral plate. Materials falling on the outer surface of the cone move towards one side of the barrel body along the conical surface, in addition, the rotating blades scatter the falling materials, the contact area of the materials and air is increased conveniently, and therefore the dehumidification effect is improved, and the problems of material accumulation and blockage are solved.

Description

Technical Field

[0001] The invention relates to the technical field of powder drying, in particular to a drum-type powder drying device for aluminum slurry production. Background Art

[0002] The drum powder drying device is a commonly used material drying equipment, which is widely used in chemical, building materials, metallurgy, mining and other industries. The hot air flow directly contacts the material, transfers heat to the material through heat conduction, convection and radiation, and evaporates the moisture in the material.

[0003] During the feeding process, wet aluminum powder is easy to form a mass and accumulate in the feeding component. As the accumulated aluminum powder increases, the feeding component is blocked during the feeding process, making it difficult to feed again. Summary of the invention

[0004] The object of the present invention is to provide a drum-type powder drying device for aluminum slurry production to solve the problems raised in the above-mentioned background technology.

[0005] In order to solve the above technical problems, the present invention is achieved through the following technical solutions: The present invention is a drum-type powder drying device for aluminum slurry production, comprising a drum body and a base frame. The outer side of the cylinder is sleeved with a guide ring and a first gear ring, two guide rings are provided, the first gear ring is located between the two guide rings, the guide ring is distributed correspondingly to the guide wheel assembly, the first gear ring is distributed correspondingly to the cylinder driving motor, and a plurality of spiral plates are provided inside the cylinder; The cylinder is distributed horizontally, and the axis of the cylinder, the axis of the guide ring and the axis of the first gear ring coincide with each other. The cylinder and the guide ring or the first gear ring are fixedly connected by welding. After installation, the three can rotate synchronously. The rotating cylinder pushes the material to move to the side of the discharge port through the installed spiral plate.

[0006] A cylinder driving motor and a guide wheel assembly are installed on the base frame, and the cylinder located above the base frame is supported by the guide wheel assembly. A first gear ring that is installed in cooperation with the cylinder driving motor is sleeved on the outer side of the cylinder, and the cylinder driving motor drives the first gear ring to drive the cylinder to rotate. The guide wheel assembly includes two supporting rollers, and the supporting rollers are installed on the base frame by bolts. The two sets of guide wheel assemblies include four supporting rollers, and the four supporting rollers are respectively installed at the four corners of the base frame.

[0007] Furthermore, a feed part is installed at the inlet end of the cylinder, a connecting pipe is installed at the outlet end of the base frame, the feed part includes a feed shell and an exhaust assembly, the exhaust assembly is rotatably installed in the feed shell, and an exhaust motor matched with the exhaust assembly is installed on the outside of the feed shell; The two ends of the feed shell are respectively provided with a first interface and an annular notch, the feed shell is connected to the end of the cylinder through the first interface, the end of the rotating body is sleeved with a bearing and installed in the annular notch, and the feed shell is provided with a feed port opening upward; A supporting leg is installed at the bottom of the feed shell, and the first interface of the feed shell is inserted into the inlet end of the cylinder, and the feed shell and the cylinder can rotate relative to each other; When feeding, wet aluminum powder is added into the interior of the feed shell through the feed port; The exhaust assembly comprises a rotating body mounted on the feed shell, a blade assembly mounted at one end of the rotating body is located in the feed shell, an exhaust spiral blade is mounted inside the rotating body, a second gear ring is mounted outside the rotating body, and the exhaust motor drives the rotating body and the exhaust spiral blade to rotate through the second gear ring; During the feeding process, the rotor rotates driven by the exhaust motor. Since the rotor and the exhaust spiral blades rotate synchronously, the rotating exhaust spiral blades push the air inside the cylinder to flow outward, and the moisture in the falling aluminum powder is taken away by the flowing air, and the aluminum powder is dried by the flowing air.

[0008] Furthermore, the rotating body includes a tube body and a cone connected to the end of the tube body, the outer surface of the cone is provided with a plurality of trapezoidal slots with screens installed inside, the blades are installed on the outer surface of the cone, and the other end of the tube body is installed with an end cap; The air inside the cylinder passes through the screen into the tube body and cone, and is discharged through the end cover. The installed screen blocks the aluminum powder and reduces the discharge of aluminum powder through the flowing air; The small end of the cone is close to one side of the cylinder, and the material falling on the outer surface of the cone moves along the conical surface toward the side of the cylinder. In addition, the rotating blades scatter the falling material to increase the contact area between the material and the air, thereby improving the dehumidification effect.

[0009] Furthermore, the bottom surface between the two blades includes a first inclined surface and a second inclined surface, and the first inclined surface and the second inclined surface have a smooth transition; During the rotation, the first inclined surface and the second inclined surface form a concave surface, and the first inclined surface tilts toward one side of the cylinder. The material falling on the first inclined surface moves toward one side of the cylinder under the push of the first inclined surface, thereby solving the problem of wet material accumulating inside the feed shell during the falling process.

[0010] Furthermore, a discharge port is provided at the bottom end of the connecting tube, and the feed shell and the connecting tube can rotate relative to each other. The discharge end of the feed shell is inserted into the port of the connecting tube, and the dried aluminum powder moves to one side of the connecting tube, enters the connecting tube, and falls through the discharge port.

[0011] Furthermore, the other side of the connecting pipe is connected to an air intake assembly.

[0012] Furthermore, the air intake assembly includes an air intake shell, the top end of the air intake shell has a connecting port, an outer cover body is installed on the connecting port, the top end of the outer cover body is installed with a first air intake motor, the output end of the first air intake motor is connected to the impeller located inside the outer cover body, and the air intake shell is connected to the end of the connecting pipe.

[0013] Furthermore, it also includes an air outlet cover body and an annular cover, a through slot is provided on the side of the air inlet housing, one end of the air outlet cover body is connected to the annular cover, the air outlet cover body extends into the interior of the cylinder, the annular cover passes through the through slot and is installed in the interior of the air inlet housing, and a strip groove communicating with the interior of the air inlet housing is provided at the bottom of the annular cover; A heating ring body is sleeved on the outer side of the ring cover, and an air inlet is provided at the upper end of the heating ring body, and the air inlet is communicated with the air inlet end of the air inlet housing; The heating ring body is located inside the air intake housing, and a channel is formed between the inner wall of the heating ring body and the outer side surface of the ring cover.

[0014] Furthermore, the port of the ring cover extends out of the through slot of the air intake housing, a cover plate is installed at the port of the ring cover, a second air intake motor is installed on the outer side of the cover plate, an air intake spiral blade is installed on the cover plate, and the air intake spiral blade is connected to the second air intake motor; At the same time, the air inlet spiral blades penetrate into the cavity formed by the air outlet cover and the ring cover.

[0015] The other end of the connecting pipe is fixed to the outer side surface of the air intake housing; The working air inlet motor drives the impeller to rotate, so that the external air passes through the outer inlet surface of the outer cover body and enters the interior of the air inlet shell. An annular filter can be installed on the outer side of the outer cover body to filter and remove impurities from the incoming air. The incoming air passes through the channel between the heating ring body and the ring cover, and is heated by the heating wire installed on the inner wall of the heating ring body. The heated air enters the interior of the ring cover through the strip groove; The working air inlet motor drives the air inlet spiral blades to rotate, so as to push the heated air to flow into the feed shell through the air outlet hood; The flowing air contacts the aluminum powder passing through the feed shell, thereby completing the drying of the aluminum powder.

[0016] The present invention has the following beneficial effects: (1) The rotating body of the present invention rotates under the drive of the exhaust motor. Since the rotating body and the exhaust spiral blades rotate synchronously, the rotating exhaust spiral blades push the air inside the cylinder to flow outward, and the moisture in the falling aluminum powder is taken away by the flowing air, thereby completing the drying of the aluminum powder by the flowing air.

[0017] (2) The air inside the cylinder of the present invention passes through the screen into the tube body and the cone, and is discharged through the end cover. The installed screen blocks the aluminum powder, reducing the discharge of the aluminum powder through the flowing air. The small end of the cone is close to one side of the cylinder, and the material falling on the outer surface of the cone moves along the cone surface toward the side of the cylinder. In addition, the rotating blades break up the fallen material, which is convenient for increasing the contact area between the material and the air, thereby improving the dehumidification effect and solving the problem of material accumulation and blockage.

[0018] (3) The working air intake motor of the present invention drives the impeller to rotate, so that the external air passes through the outer inlet surface of the outer cover body and enters the interior of the air intake shell. An annular filter can be installed on the outer side surface of the outer cover body to filter and remove impurities from the incoming air. The incoming air passes through the channel between the heating ring body and the ring cover, and is heated by the heating wire installed on the inner wall of the heating ring body. The heated air enters the interior of the ring cover through the strip groove. The working air intake motor drives the air intake spiral blades to rotate, so as to push the heated air to be discharged through the air outlet cover body and flow into the interior of the feed shell. The flowing air contacts the aluminum powder passing through the feed shell, thereby completing the drying of the aluminum powder.

[0019] Of course, any product implementing the present invention does not necessarily need to achieve all of the advantages described above at the same time. BRIEF DESCRIPTION OF THE DRAWINGS

[0020] In order to more clearly illustrate the technical solutions of the embodiments of the present invention, the accompanying drawings required for describing the embodiments will be briefly introduced below. Obviously, the accompanying drawings described below are only some embodiments of the present invention. For ordinary technicians in this field, other accompanying drawings can be obtained based on these accompanying drawings without paying creative work.

[0021] Figure 1 It is a schematic diagram of the overall structure of the present invention; Figure 2 It is a side schematic diagram of the present invention; Figure 3 For the present invention Figure 2 AA cross-sectional diagram of ; Figure 4 It is a schematic diagram of the cylinder of the present invention; Figure 5 It is a schematic diagram of the feeding part of the present invention; Figure 6 It is a schematic diagram of the feed part of the present invention; Figure 7 It is a schematic diagram of the rotating body of the present invention; Figure 8 It is a schematic diagram of the air intake assembly of the present invention; Fig. 9 It is a schematic diagram of the decomposition of the air intake assembly of the present invention; Fig.10 It is a side schematic diagram of the air intake assembly of the present invention; Fig.11 For the present invention Fig.10 BB cross-sectional diagram; In the accompanying drawings, the components represented by the reference numerals are listed as follows: In the figure: 1, cylinder; 101, guide ring; 102, first gear ring; 103, spiral plate; 2, base frame; 3, cylinder drive motor; 4, guide wheel assembly; 5, feed shell; 501, feed port; 502, first interface; 503, annular notch; 6, exhaust assembly; 601, rotating body; 6011, tube body; 6012, cone; 6013, blade; 6014, first inclined surface; 6015, second inclined surface; 6016, screen; 602, Exhaust spiral blades; 603, end cover; 604, second gear ring; 7, exhaust motor; 8, connecting pipe; 801, discharge port; 9, air inlet assembly; 901, air inlet shell; 902, air outlet cover; 903, ring cover; 9031, strip groove; 904, heating ring body; 9041, air inlet; 905, outer cover; 906, impeller; 907, first air inlet motor; 908, air inlet spiral blades; 909, cover plate; 910, second air inlet motor. DETAILED DESCRIPTION

[0022] The following will be combined with the drawings in the embodiments of the present invention to clearly and completely describe the technical solutions in the embodiments of the present invention. Obviously, the described embodiments are only part of the embodiments of the present invention, not all of the embodiments. Based on the embodiments of the present invention, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the present invention.

[0023] See also Figure 1-Figure 11 As shown, the present invention is a drum-type powder drying device for aluminum slurry production, comprising a drum 1 and a base frame 2. The outer side of the cylinder 1 is sleeved with a guide ring 101 and a first gear ring 102. Two guide rings 101 are provided. The first gear ring 102 is located between the two guide rings 101. The guide ring 101 is distributed correspondingly with the guide wheel assembly 4. The first gear ring 102 is distributed correspondingly with the cylinder driving motor 3. A plurality of spiral plates 103 are provided inside the cylinder 1. Two sets of guide wheel assemblies 4 are provided on the base frame 2, and the guide rings 101 correspond to the guide wheel assemblies 4 one by one, and the guide wheel assemblies 4 support the guide rings 101; The output end of the drum driving motor 3 is connected to an output gear, and the output gear is meshed with the first gear ring 102 .

[0024] The cylinder 1 is distributed horizontally, and the axis of the cylinder 1, the axis of the guide ring 101 and the axis of the first gear ring 102 coincide with each other. The cylinder 1 and the guide ring 101 or the first gear ring 102 are fixedly connected by welding. After installation, the three can rotate synchronously. The rotating cylinder 1 pushes the material to move toward the side of the discharge port 801 through the installed spiral plate 103.

[0025] The hot air flow directly contacts the material and transfers heat to the material through heat conduction, convection and radiation, causing the moisture in the material to evaporate.

[0026] A cylinder driving motor 3 and a guide wheel assembly 4 are installed on the base frame 2. The cylinder 1 located above the base frame 2 is supported by the guide wheel assembly 4. A first gear ring 102 which is installed in cooperation with the cylinder driving motor 3 is sleeved on the outer side of the cylinder 1. The cylinder driving motor 3 drives the first gear ring 102 to drive the cylinder 1 to rotate. The guide wheel assembly 4 includes two supporting rollers, which are installed on the base frame 2 by bolts. The two sets of guide wheel assemblies 4 include four supporting rollers, which are respectively installed at the four corners of the base frame 2.

[0027] The inlet end of the cylinder 1 is equipped with a feed part, the outlet end of the base frame 2 is equipped with a connecting pipe 8, the feed part includes a feed shell 5 and an exhaust assembly 6, the exhaust assembly 6 is rotatably installed in the feed shell 5, and an exhaust motor 7 matched with the exhaust assembly 6 is installed on the outside of the feed shell 5; The two ends of the feed shell 5 are respectively provided with a first interface 502 and an annular notch 503. The feed shell 5 is connected to the end of the cylinder 1 through the first interface 502. The end of the rotating body 601 is sleeved with a bearing and installed in the annular notch 503. The feed shell 5 is provided with a feed port 501 opening upward. The bottom of the feed shell 5 is provided with supporting legs, and the first interface 502 of the feed shell 5 is inserted into the inlet end of the cylinder 1, and the feed shell 5 and the cylinder 1 can rotate relative to each other; When feeding, wet aluminum powder is added into the interior of the feed housing 5 through the feed port 501; The exhaust assembly 6 includes a rotating body 601 mounted on the feed shell 5, a blade assembly mounted at one end of the rotating body 601 is located in the feed shell 5, an exhaust spiral blade 602 is mounted inside the rotating body 601, a second gear ring 604 is mounted outside the rotating body 601, and the exhaust motor 7 drives the rotating body 601 and the exhaust spiral blade 602 to rotate through the second gear ring 604; During the feeding process, the rotor 601 rotates driven by the exhaust motor 7. Since the rotor 601 and the exhaust spiral blades 602 rotate synchronously, the rotating exhaust spiral blades 602 push the air inside the cylinder 1 to flow outward, and the moisture in the falling aluminum powder is taken away by the flowing air, and the aluminum powder is dried by the flowing air.

[0028] The rotating body 601 includes a tube body 6011 and a cone 6012 connected to the end of the tube body 6011. The outer surface of the cone 6012 is provided with a plurality of trapezoidal slots with screens 6016 installed inside. The blades 6013 are installed on the outer surface of the cone 6012. The other end of the tube body 6011 is provided with an end cap 603. The air inside the cylinder 1 passes through the screen 6016 and enters the tube 6011 and the cone 6012, and is discharged through the end cover 603. The installed screen 6016 blocks the aluminum powder and reduces the discharge of the aluminum powder through the flowing air; The small end of the cone 6012 is close to one side of the cylinder 1, and the material falling on the outer surface of the cone 6012 moves along the conical surface toward the side of the cylinder 1. In addition, the rotating blades 6013 scatter the falling material to increase the contact area between the material and the air, thereby improving the dehumidification effect.

[0029] The bottom surface between the two blades 6013 includes a first inclined surface 6014 and a second inclined surface 6015, and the first inclined surface 6014 and the second inclined surface 6015 have a smooth transition; During the feeding process, wet aluminum powder tends to form a mass and accumulate in the feeding assembly. As the accumulated aluminum powder increases, the feeding assembly becomes clogged, making it difficult to feed again. During the rotation, the first inclined surface 6014 and the second inclined surface 6015 form a concave surface, and the first inclined surface 6014 tilts toward one side of the cylinder 1. The material falling on the first inclined surface 6014 moves toward one side of the cylinder 1 under the push of the first inclined surface 6014, thereby solving the problem of wet material accumulating inside the feed shell 5 during the falling process.

[0030] A discharge port 801 is provided at the bottom end of the connecting tube 8, and the feed shell 5 and the connecting tube 8 can rotate relative to each other. The discharge end of the feed shell 5 is inserted into the port of the connecting tube 8, and the dried aluminum powder moves to one side of the connecting tube 8, enters the connecting tube 8 and falls through the discharge port 801.

[0031] The other side of the connecting pipe 8 is connected to an air intake assembly 9 .

[0032] The air intake assembly 9 includes an air intake shell 901, the top end of the air intake shell 901 has a connecting port, an outer cover body 905 is installed on the connecting port, a first air intake motor 907 is installed on the top end of the outer cover body 905, the output end of the first air intake motor 907 is connected to the impeller 906 located inside the outer cover body 905, and the air intake shell 901 is connected to the end of the connecting pipe 8.

[0033] It also includes an air outlet cover 902 and an annular cover 903. A through slot is provided on the side of the air inlet housing 901. One end of the air outlet cover 902 is connected to the annular cover 903. The air outlet cover 902 extends into the interior of the cylinder 1. The annular cover 903 passes through the through slot and is installed in the interior of the air inlet housing 901. The bottom of the annular cover 903 is provided with a strip groove 9031 that communicates with the interior of the air inlet housing 901. The outer side of the ring cover 903 is sleeved with a heating ring body 904, and the upper end of the heating ring body 904 is provided with an air inlet 9041, and the air inlet 9041 is connected to the air inlet end of the air inlet housing 901; The heating ring body 904 is located inside the air inlet housing 901 , and a channel is formed between the inner wall of the heating ring body 904 and the outer side surface of the ring cover 903 .

[0034] The port of the ring cover 903 extends out of the through slot of the air intake housing 901, and a cover plate 909 is installed on the port of the ring cover 903. A second air intake motor 910 is installed on the outer side of the cover plate 909. An air intake spiral blade 908 is installed on the cover plate 909, and the air intake spiral blade 908 is connected to the second air intake motor 910. At the same time, the air inlet spiral blades 908 penetrate into the cavity formed by the air outlet cover 902 and the ring cover 903.

[0035] The other end of the connecting pipe 8 is fixed to the outer surface of the air intake housing 901; The working first air inlet motor 907 drives the impeller 906 to rotate, so that the external air passes through the outer inlet surface of the outer cover body 905 and enters the interior of the air inlet housing 901. An annular filter screen can be installed on the outer side surface of the outer cover body 905 to filter and remove impurities from the incoming air. The incoming air passes through the channel between the heating ring body 904 and the ring cover 903, and is heated by the heating wire installed on the inner wall of the heating ring body 904. The heated air enters the interior of the ring cover 903 through the strip groove 9031; The working second air inlet motor 910 drives the air inlet spiral blade 908 to rotate, so as to push the heated air to be discharged through the air outlet cover 902 and flow into the feed housing 5; The flowing air contacts the aluminum powder passing through the feed housing 5, thereby completing the drying of the aluminum powder.

[0036] During the working process, wet aluminum powder is added into the interior of the feed housing 5 through the feed port 501; The exhaust assembly 6 includes a rotating body 601 mounted on the feed shell 5, a blade assembly mounted at one end of the rotating body 601 is located in the feed shell 5, an exhaust spiral blade 602 is mounted inside the rotating body 601, a second gear ring 604 is mounted outside the rotating body 601, and the exhaust motor 7 drives the rotating body 601 and the exhaust spiral blade 602 to rotate through the second gear ring 604; During the feeding process, the rotor 601 rotates under the drive of the exhaust motor 7. Since the rotor 601 and the exhaust spiral blades 602 rotate synchronously, the rotating exhaust spiral blades 602 push the air inside the cylinder 1 to flow outward. The incoming air passes through the channel between the heating ring body 904 and the ring cover 903, and is heated by the heating wire installed on the inner wall of the heating ring body 904. The heated air enters the interior of the ring cover 903 through the strip groove 9031; The working second air inlet motor 910 drives the air inlet spiral blade 908 to rotate, so as to push the heated air to be discharged through the air outlet cover 902 and flow into the feed housing 5; The moisture in the falling aluminum powder is taken away by the flowing hot air, and the aluminum powder is dried by the flowing air.

[0037] The preferred embodiments of the present invention disclosed above are only used to help illustrate the present invention. The preferred embodiments do not describe all the details in detail, nor do they limit the invention to the specific implementation methods described. Obviously, many modifications and changes can be made according to the content of this specification. This specification selects and specifically describes these embodiments in order to better explain the principles and practical applications of the present invention, so that those skilled in the art can understand and use the present invention well. The present invention is limited only by the claims and their full scope and equivalents.

Claims

1. A drum-type powder drying device for aluminum slurry production, comprising a drum (1) and a base frame (2), wherein a drum drive motor (3) and a guide wheel assembly (4) are mounted on the base frame (2), the drum (1) located above the base frame (2) is supported by the guide wheel assembly (4), and a first gear ring (102) which is mounted in cooperation with the drum drive motor (3) is sleeved on the outer side of the drum (1), characterized in that: A feeding portion is installed at the inlet end of the cylinder (1), and a connecting pipe (8) is installed at the outlet end of the base frame (2); The feed portion comprises a feed shell (5) and an exhaust assembly (6); the exhaust assembly (6) is rotatably mounted inside the feed shell (5); and an exhaust motor (7) cooperating with the exhaust assembly (6) is mounted on the outside of the feed shell (5); The exhaust assembly (6) comprises a rotating body (601) mounted on the feed shell (5), and a blade assembly mounted on one end of the rotating body (601) is located inside the feed shell (5); An exhaust spiral blade (602) is installed inside the rotating body (601), and a second gear ring (604) is installed outside the rotating body (601). The exhaust motor (7) drives the rotating body (601) and the exhaust spiral blade (602) to rotate via the second gear ring (604).

2. The drum-type powder drying device for aluminum paste production according to claim 1 is characterized in that: The two ends of the feed shell (5) are respectively provided with a first interface (502) and an annular notch (503); The feed shell (5) is connected to the end of the cylinder (1) via a first interface (502); The end of the rotating body (601) is sleeved with a bearing and installed in the annular notch (503); The feed shell (5) is provided with a feed opening (501) opening upward.

3. The drum-type powder drying device for aluminum paste production according to claim 1, characterized in that: The rotating body (601) comprises a tube body (6011) and a cone body (6012) connected to the end of the tube body (6011); a plurality of trapezoidal slots with screens (6016) installed inside are provided on the outer surface of the cone body (6012); The blades (6013) are mounted on the outer surface of the cone (6012); An end cap (603) is installed at the other end of the tube body (6011).

4. The drum-type powder drying device for aluminum paste production according to claim 3 is characterized in that: The bottom surface between the two blades (6013) comprises a first inclined surface (6014) and a second inclined surface (6015); There is a smooth transition between the first inclined surface (6014) and the second inclined surface (6015).

5. The drum-type powder drying device for aluminum paste production according to claim 1, characterized in that: A guide ring (101) and a first toothed ring (102) are sleeved on the outer side of the cylinder (1), two guide rings (101) are provided, and the first toothed ring (102) is located between the two guide rings (101); The guide ring (101) is distributed correspondingly to the guide wheel assembly (4), and the first gear ring (102) is distributed correspondingly to the drum driving motor (3); A plurality of spiral plates (103) are provided inside the cylinder (1).

6. The drum-type powder drying device for aluminum paste production according to claim 1, characterized in that: The bottom end of the connecting pipe (8) is provided with a discharge port (801).

7. The drum-type powder drying device for aluminum paste production according to claim 1, characterized in that: The other side of the connecting pipe (8) is connected to an air intake assembly (9).

8. The drum-type powder drying device for aluminum paste production according to claim 1, characterized in that: The air intake assembly (9) comprises an air intake housing (901); The top end of the air intake housing (901) has a connection port, an outer cover (905) is mounted on the connection port, a first air intake motor (907) is mounted on the top end of the outer cover (905), and an output end of the first air intake motor (907) is connected to an impeller (906) located inside the outer cover (905); The air intake housing (901) is in communication with the end of the connecting pipe (8).

9. The drum-type powder drying device for aluminum paste production according to claim 1, characterized in that: It also includes an air outlet cover body (902) and a ring cover (903); A through groove is provided on the side surface of the air intake housing (901); One end of the air outlet cover body (902) is connected to a ring cover (903), the air outlet cover body (902) extends into the interior of the cylinder body (1), the ring cover (903) passes through the through slot and is installed inside the air inlet housing (901), and a strip groove (9031) communicating with the interior of the air inlet housing (901) is provided at the bottom of the ring cover (903); A heating ring body (904) is sleeved on the outer side of the ring cover (903); an air inlet (9041) is provided at the upper end of the heating ring body (904); and the air inlet (9041) is communicated with the air inlet end of the air inlet housing (901); The heating ring body (904) is located inside the air intake housing (901), and a channel is formed between the inner wall of the heating ring body (904) and the outer side surface of the ring cover (903).

10. The drum-type powder drying device for aluminum paste production according to claim 9, characterized in that: The port of the ring cover (903) extends out of the through slot of the air intake housing (901); a cover plate (909) is installed at the port of the ring cover (903); a second air intake motor (910) is installed on the outer side of the cover plate (909); an air intake spiral blade (908) is installed on the cover plate (909); and the air intake spiral blade (908) is connected to the second air intake motor (910); At the same time, the air inlet spiral blades (908) penetrate deep into the cavity formed by the air outlet cover (902) and the ring cover (903).

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