High-pressure atomization powder spraying device

Abstract

The utility model belongs to the technical field of chemical fertilizer powder production, and relates to a high-pressure atomization powder spraying device which comprises a main body, a spraying assembly for spraying liquid raw materials is arranged at the top of the main body, a discharging hole is formed in the bottom face of the main body, a discharging pipe is fixedly connected to the position, located at the discharging hole, of the bottom face of the main body, and a stirring shaft is coaxially and rotationally arranged in the discharging pipe. A motor is fixedly arranged at the bottom of the main body, the top end of an output shaft of the motor is fixedly connected with a rotating shaft, the rotating shaft is coaxially and rotatably connected into the main body, a transmission assembly is arranged on the rotating shaft, and the transmission assembly drives the stirring shaft to rotate when the rotating shaft rotates. Compared with the prior art, the anti-blocking device has the advantages that the stirring shaft is rotationally arranged in the discharging pipe, when the output shaft of the motor drives the rotating shaft to rotate, the output shaft of the motor also drives the first belt wheel to rotate, the stirring shaft is driven to rotate through the belt, the stirring shaft stirs chemical fertilizer powder in the discharging pipe so as to dredge the discharging pipe, and the anti-blocking purpose is achieved.

Description

Technical Field

[0001] The utility model belongs to the technical field of fertilizer powder production and relates to a high-pressure atomization powder spraying device. Background Art

[0002] The powder spraying device is a crucial component in the fertilizer production process. It is primarily used to pulverize slurry mixtures, producing powdered and granular solid products from suspensions, solutions, emulsions, and pasty liquid raw materials. The powder spraying device consists of four parts: spraying, electrothermal drying, finished product collection, and electrical control. Powder spraying devices are essential for fertilizer powder production.

[0003] Chinese patent CN217745754U discloses a powder spray tower device for producing drying-free fertilizer. The device includes a tower body, a cone bucket fixedly connected to the lower end of the tower body, a feed assembly mounted on the upper end of the tower body, a high-pressure atomizing nozzle mounted on the lower end of the feed assembly, a heating assembly fixedly connected to the inner side of the tower body, a weathering assembly fixedly connected to the inner side of the heating assembly, and an anti-blocking assembly fixedly connected to the lower end of the inner side of the tower body. The combination of the heating assembly and the weathering assembly allows for large-scale drying, uniform heat transfer, and effective weathering of the fertilizer spray in a surrounding manner.

[0004] When the anti-blocking component of the powder spray tower spray device is in use, the rotating motor is turned on, and the stirring shaft drives the rubber scrapers on both sides to unclog the cone bucket. After the cone bucket is unclogged, the powder is still discharged through the discharge port. If a large amount of powder is discharged, it is easy to clog the discharge port.

[0005] In order to solve the above problems, the utility model proposes a high-pressure atomization powder spraying device. Utility Model Content

[0006] In order to solve the problems existing in the background technology, the utility model proposes a high-pressure atomization powder spraying device.

[0007] In order to achieve the above-mentioned object, the technical solution adopted by the present invention is as follows: comprising a main body, a spray assembly for spraying liquid raw materials is provided on the top of the main body, a discharge hole is opened on the bottom surface of the main body, a discharge pipe is fixedly connected to the bottom surface of the main body at the discharge hole, and a stirring shaft is coaxially arranged inside the discharge pipe;

[0008] A motor is fixedly installed at the bottom of the main body, and the top of the output shaft of the motor is fixedly connected to a rotating shaft. The rotating shaft is coaxially connected to the inside of the main body. A transmission assembly is provided on the rotating shaft. When the rotating shaft rotates, the transmission assembly drives the stirring shaft to rotate.

[0009] Furthermore, the spray assembly includes a high-pressure atomizing nozzle, the inner top surface of the main body is fixedly connected to a raw material box, the raw material box is funnel-shaped, the high-pressure atomizing nozzle is fixedly connected to the outlet at the bottom of the raw material box, and a feed pipe is fixedly passed through the top surface of the main body, and the bottom end of the feed pipe extends into the raw material box.

[0010] Furthermore, the bottom of the main body is fixedly connected to a support frame, which consists of a base plate and four support rods. The four support rods are respectively fixedly connected to the four corners of the top surface of the base plate. The top ends of the four support rods are fixedly connected to the bottom surface of the main body, and the motor is fixedly connected to the top surface of the base plate.

[0011] Furthermore, a plurality of air-jet blades are evenly and fixedly connected to the outer surface of the rotating shaft. The rotating shaft and the air-jet blades are both hollow tubes. One end of the plurality of air-jet blades is connected to the rotating shaft. A plurality of air outlet holes are evenly opened on the air-jet blades.

[0012] Furthermore, a connection box is fixedly connected between the top surface of the motor and the bottom surface of the main body, the output shaft of the motor passes through the connection box, and the connection box is connected to a hot air blower;

[0013] The bottom surface of the main body is provided with a connecting hole at the rotating shaft, which is connected to the inner cavity of the connection box. The bottom surface of the rotating shaft is provided with a plurality of ventilation holes, which are connected to the connecting hole. The bottom end of the rotating shaft is rotatably connected to the connecting hole.

[0014] Furthermore, the transmission assembly includes a belt, and a first pulley is fixedly sleeved on the output shaft of the motor;

[0015] A mounting plate is fixedly connected to the inner wall of the discharge hole, and a receiving groove is provided on the bottom surface of the main body. One end of the receiving groove is connected to the communicating hole, and the other end of the receiving groove is connected to the inner cavity of the mounting plate. The top end of the stirring shaft is rotatably connected to the mounting plate.

[0016] The stirring shaft extends into the outer surface of the mounting plate and is fixedly sleeved with a second pulley, a belt transmission sleeve is arranged on the first pulley and the second pulley, and the belt passes through the accommodating groove.

[0017] Furthermore, two symmetrical scrapers are fixedly connected to the outer surface of the bottom of the rotating shaft. The scrapers are arranged in an L shape, and the bottom surface of the scraper slides with the inner bottom surface of the main body, and the outer side surface of the scraper slides with the inner wall of the main body.

[0018] Compared with the prior art, the present invention has the following beneficial effects:

[0019] 1. The high-pressure atomizing powder spraying device is provided with a stirring shaft, which is rotatably arranged inside the discharge pipe. When the output shaft of the motor drives the rotating shaft to rotate, the output shaft of the motor also drives the first pulley to rotate, and the stirring shaft is driven to rotate by the belt, so that the stirring shaft stirs the fertilizer powder in the discharge pipe to dredge it and achieve the purpose of preventing blockage.

[0020] 2. The high-pressure atomizing powder spraying device is provided with a jet blade, the end of the jet blade is connected to the rotating shaft. When the rotating shaft rotates, the jet blade stirs the material in the main body, and the hot air blower passes the hot air into the connecting box. The connecting box enters the rotating shaft through the connecting hole and the vent, and then enters the jet blade and is discharged through the air outlet, so that the hot air is blown towards the fertilizer powder, so that it can be dried while stirring, and the drying effect is good. BRIEF DESCRIPTION OF THE DRAWINGS

[0021] Figure 1 It is a three-dimensional structural diagram of the utility model;

[0022] Figure 2 It is a structural diagram of the rotating shaft in the utility model;

[0023] Figure 3 It is a cross-sectional view of the utility model;

[0024] Figure 4 It is a structural diagram of the belt in the utility model.

[0025] In the figure: 1. Main body; 2. Support frame; 3. Motor; 4. Connection box; 5. Discharge pipe; 6. Valve; 7. Rotating shaft; 8. Jet blades; 9. High-pressure atomizing nozzle; 10. Raw material box; 11. Feed pipe; 12. First pulley; 13. Belt; 14. Stirring shaft; 15. Second pulley; 16. Scraper; 17. Mounting plate; 18. Connecting hole. DETAILED DESCRIPTION

[0026] 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 embodiments described 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 making creative efforts are within the scope of protection of the present invention.

[0027] like Figures 1-4 As shown, the technical solution adopted by the present invention is as follows: a high-pressure atomizing powder spraying device comprises a main body 1, and a spraying component for spraying liquid raw materials is provided on the top of the main body 1.

[0028] The spray assembly includes a high-pressure atomizing nozzle 9. A funnel-shaped raw material tank 10 is fixedly connected to the inner top surface of the main body 1. The high-pressure atomizing nozzle 9 is fixedly connected to the bottom outlet of the tank 10. A feed pipe 11 is fixedly inserted through the top surface of the main body 1, and the bottom end of the feed pipe 11 extends into the tank 10. Liquid fertilizer raw material is introduced through the feed pipe 11, after which the high-pressure atomizing nozzle 9 sprays the liquid fertilizer raw material out as a spray.

[0029] The bottom surface of the main body 1 is provided with a discharge hole, and a discharge pipe 5 is fixedly connected to the bottom surface of the main body 1 at the discharge hole. A stirring shaft 14 is coaxially rotated inside the discharge pipe 5. A valve 6 is provided on the discharge pipe 5, and the valve 6 is located below the stirring shaft 14.

[0030] Motor 3 is fixedly mounted on the bottom of the main body 1. Support frame 2 is fixedly connected to the bottom of the main body 1. Support frame 2 consists of a base plate and four support rods. The four support rods are fixedly connected to the four corners of the top surface of the base plate, and the top ends of the four support rods are fixedly connected to the bottom surface of the main body 1. Motor 3 is fixedly connected to the top surface of the base plate and is located between the four support rods.

[0031] The top end of the output shaft of the motor 3 is fixedly connected to a rotating shaft 7 , and the rotating shaft 7 is coaxially rotatably connected to the inside of the main body 1 .

[0032] The outer surface of the rotating shaft 7 is evenly fixedly connected with a plurality of air-jet blades 8. The rotating shaft 7 and the air-jet blades 8 are both hollow tubes. One end of the plurality of air-jet blades 8 is communicated with the rotating shaft 7, and a plurality of air outlet holes are evenly opened on the air-jet blades 8.

[0033] A connection box 4 is fixedly connected between the top surface of the motor 3 and the bottom surface of the main body 1, and the output shaft of the motor 3 passes through the connection box 4. The connection box 4 is connected to a hot air blower.

[0034] The outer surface of the main body 1 is provided with an electric heating plate, which can heat the main body 1 to achieve a better air-drying effect.

[0035] A connecting hole 18 is formed on the bottom surface of the main body 1, located near the rotating shaft 7. This connecting hole 18 communicates with the inner cavity of the connection box 4. Several ventilation holes are formed on the bottom surface of the rotating shaft 7, which communicate with the connecting hole 18. The bottom end of the rotating shaft 7 rotates and connects to the connecting hole 18, connecting the inner cavity of the connection box 4 with the rotating shaft 7, and the rotating shaft 7 seals the top end of the connecting hole 18.

[0036] A transmission assembly is provided on the rotating shaft 7 , and when the rotating shaft 7 rotates, the transmission assembly drives the stirring shaft 14 to rotate.

[0037] The transmission assembly includes a belt 13. A first pulley 12 is fixedly sleeved on the output shaft of the motor 3.

[0038] A mounting plate 17 is fixedly connected to the inner wall of the discharge hole. A receiving groove is defined on the bottom surface of the main body 1. One end of the receiving groove communicates with the communication hole 18, and the other end of the receiving groove communicates with the inner cavity of the mounting plate 17. The top end of the stirring shaft 14 is rotatably connected to the mounting plate 17. The outer surface of the stirring shaft 14 and the mounting plate 17 form a sealed sliding fit to prevent fertilizer powder from entering the mounting plate 17.

[0039] The stirring shaft 14 extends into the outer surface of the mounting plate 17 and is fixedly sleeved with a second pulley 15, and the belt 13 is driven by the first pulley 12 and the second pulley 15. The belt 13 passes through the receiving groove.

[0040] Two symmetrical scrapers 16 are fixedly attached to the outer surface of the bottom of the rotating shaft 7. These scrapers 16 are arranged in an L-shape. The bottom surfaces of the scrapers 16 slide with the inner bottom surface of the main body 1, while the outer surfaces of the scrapers 16 slide with the inner wall of the main body 1. This allows the scrapers 16 to rotate with the rotating shaft 7, scraping off powder adhering to the inner wall of the main body 1.

[0041] Working principle:

[0042] When in use, the electric heater is energized to increase the temperature of the main body 1 and keep the main body 1 at a suitable air-drying temperature.

[0043] The motor 3 is started, and the output shaft of the motor 3 drives the rotating shaft 7 to rotate, so that the air-jet blades 8 rotate.

[0044] The output shaft of the motor 3 also drives the first pulley 12 to rotate, and drives the stirring shaft 14 to rotate through the belt 13. The valve 6 is closed.

[0045] Start the hot air blower to allow hot air to enter the interior of the connection box 4, then enter the communication hole 18, enter the rotating shaft 7 through the vent hole, and finally be discharged through the air outlet on the air jet blade 8. The hot air will be discharged while the air jet blade 8 rotates.

[0046] The fertilizer liquid raw material is introduced into the interior of the raw material box 10 through the feed pipe 11 , and then the high-pressure atomizing nozzle 9 sprays the fertilizer liquid raw material in the form of a spray, and the spray is sprayed into the main body 1 .

[0047] The hot air is blown toward the atomized fertilizer raw material liquid, and the fertilizer raw material is air-dried into powder. The air-dried powder falls onto the bottom surface of the main body 1.

[0048] When the powder is accumulated more, the air-jet blades 8 will stir the powder. Simultaneously, the stirring shaft 14 will also stir the powder that falls into the discharge pipe 5.

[0049] At the same time, the rotating shaft 7 drives the two scrapers 16 to rotate, so that the scrapers 16 scrape off the powder on the inner wall and inner bottom surface of the main body 1.

[0050] After the air drying is completed, the valve 6 is opened and the powder is discharged from the discharge pipe 5. The stirring shaft 14 stirs the fertilizer powder in the discharge pipe 5 to dredge it and prevent it from being blocked. The air-jet blades 8 are not stopped during the discharge to prevent the powder from entering the air-jet blades 8.

[0051] Although the present invention has been described in detail with reference to the aforementioned embodiments, those skilled in the art can still modify the technical solutions described in the aforementioned embodiments, or make equivalent substitutions for some of the technical features therein. Any modifications, equivalent substitutions, improvements, etc. made within the spirit and principles of the present invention should be included in the scope of protection of the present invention.

Claims

1. A high-pressure atomizing powder spraying device, characterized in that: The invention comprises a main body (1), wherein a spraying assembly for spraying liquid raw materials is provided on the top of the main body (1), a discharge hole is provided on the bottom surface of the main body (1), a discharge pipe (5) is fixedly connected to the bottom surface of the main body (1) at the discharge hole, and a stirring shaft (14) is provided inside the discharge pipe (5) for coaxial rotation; A motor (3) is fixedly provided at the bottom of the main body (1), and a rotating shaft (7) is fixedly connected to the top end of the output shaft of the motor (3). The rotating shaft (7) is coaxially connected to the interior of the main body (1), and a transmission assembly is provided on the rotating shaft (7). When the rotating shaft (7) rotates, the transmission assembly drives the stirring shaft (14) to rotate.

2. A high-pressure atomizing powder spraying device according to claim 1, characterized in that: The spray assembly includes a high-pressure atomizing nozzle (9), the inner top surface of the main body (1) is fixedly connected to a raw material box (10), the raw material box (10) is funnel-shaped, the high-pressure atomizing nozzle (9) is fixedly connected to the outlet at the bottom of the raw material box (10), and a feed pipe (11) is fixedly passed through the top surface of the main body (1), and the bottom end of the feed pipe (11) extends into the raw material box (10).

3. A high-pressure atomizing powder spraying device according to claim 1, characterized in that: The bottom of the main body (1) is fixedly connected to a support frame (2), which is composed of a base plate and four support rods. The four support rods are respectively fixedly connected to the four corners of the top surface of the base plate, and the top ends of the four support rods are fixedly connected to the bottom surface of the main body (1). The motor (3) is fixedly connected to the top surface of the base plate.

4. A high-pressure atomizing powder spraying device according to claim 1, characterized in that: The outer surface of the rotating shaft (7) is evenly fixedly connected with a plurality of jet blades (8), the rotating shaft (7) and the jet blades (8) are both hollow tubes, one end of the plurality of jet blades (8) is connected to the rotating shaft (7), and a plurality of air outlet holes are evenly opened on the jet blades (8).

5. The high-pressure atomizing powder spraying device according to claim 1, characterized in that: A connection box (4) is fixedly connected between the top surface of the motor (3) and the bottom surface of the main body (1); the output shaft of the motor (3) passes through the connection box (4); and the connection box (4) is connected to a hot air blower; A connecting hole (18) is provided on the bottom surface of the main body (1) at the rotating shaft (7), and the connecting hole (18) is connected to the inner cavity of the connection box (4). A plurality of vent holes are provided on the bottom surface of the rotating shaft (7), and the vent holes are connected to the connecting hole (18). The bottom end of the rotating shaft (7) is rotatably connected to the connecting hole (18).

6. A high-pressure atomizing powder spraying device according to claim 5, characterized in that: The transmission assembly comprises a belt (13), and a first pulley (12) is fixedly sleeved on the output shaft of the motor (3); A mounting plate (17) is fixedly connected to the inner wall of the discharge hole, a receiving groove is provided on the bottom surface of the main body (1), one end of the receiving groove is connected to the communicating hole (18), and the other end of the receiving groove is connected to the inner cavity of the mounting plate (17), and the top end of the stirring shaft (14) is rotatably connected to the mounting plate (17); The stirring shaft (14) extends into the outer surface of the mounting plate (17), and a second pulley (15) is fixedly sleeved thereon. The belt (13) transmission sleeve is arranged on the first pulley (12) and the second pulley (15), and the belt (13) passes through the receiving groove.

7. The high-pressure atomizing powder spraying device according to claim 1, characterized in that: Two symmetrical scrapers (16) are fixedly connected to the outer surface of the bottom of the rotating shaft (7). The scrapers (16) are arranged in an L shape. The bottom surface of the scraper (16) is slidably matched with the inner bottom surface of the main body (1), and the outer side surface of the scraper (16) is slidably matched with the inner wall of the main body (1).

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