Atomization device for spray dryer

Abstract

The utility model relates to the technical field of atomization devices, in particular to an atomization device for a spray dryer, which comprises a mounting frame, a drying atomization mechanism is fixedly connected to one side of the mounting frame, and the drying atomization mechanism comprises a drying barrel, a fixing frame, a centrifugal machine, a connecting rod, a connecting telescopic rod, a vibrating rod, a discharging inclined plate and a discharging port. A fixing frame is fixedly connected to one side of the inner wall of the mounting frame, a drying barrel is fixedly connected to the other side of the fixing frame, and a spiral feeding mechanism is fixedly connected to the surface of the top end of the drying barrel. According to the utility model, the drying and atomizing mechanism is arranged on one side of the mounting rack; the drying barrel is mounted in the mounting frame through the fixing frame; a centrifugal machine and an atomizer at the top end of the drying barrel can be used for uniformly spraying a liquid material through a turntable and a spray head and then carrying out uniformly-mixed heat energy exchange with hot air entering from a screw mechanism at the top end of the drying barrel; therefore, the liquid material is thrown into mist by the high-speed atomizer and then is quickly dried into powder after being in contact with hot air.

Description

Technical Field

[0001] The utility model relates to the technical field of atomizing devices, in particular to an atomizing device for a spray dryer. Background Art

[0002] Spray dryer is a device that can complete drying and granulation at the same time. The pressure, flow rate and size of the spray hole of the liquid pump can be adjusted according to the process requirements to obtain the required spherical particles of a certain size ratio. Spray dryer is a kind of continuous atmospheric pressure dryer. It uses special equipment to spray liquid into mist so that it can be dried by contact with hot air. It is used to dry some heat-sensitive liquids, suspensions and viscous liquids. It is also used to dry fuels, intermediates, soap powder and inorganic salts.

[0003] When the existing spray dryer is used, the raw material and water must first be mixed evenly and then put into the spray dryer for atomization treatment. The existing atomization treatment device usually adopts an air compression atomizer. Although this method can atomize the raw material and water, this method has the problems of high production cost, great operation difficulty and complex maintenance. Utility Model Content

[0004] The purpose of the utility model is to provide an atomizing device for a spray dryer to solve the problems raised in the above background technology.

[0005] In order to achieve the above purpose, the utility model provides the following technical solutions:

[0006] A spray dryer atomization device comprises a mounting frame, one side of the mounting frame is fixedly connected with a drying atomization mechanism, the drying atomization mechanism comprises a drying barrel, a fixing frame, a centrifuge, a connecting rod, a connecting telescopic rod, a vibrating rod, a discharging inclined plate, and a discharging port, one side of the inner wall of the mounting frame is fixedly connected with the fixing frame, the other side of the fixing frame is fixedly connected with the drying barrel, the top surface of the drying barrel is fixedly connected with a spiral feeding mechanism, the middle part of the top surface of the drying barrel is fixedly connected with the centrifuge, the bottom end of the centrifuge is fixedly connected with a connecting rod, the bottom of the connecting rod is fixedly connected with a connecting telescopic rod, both sides of the connecting telescopic rod are fixedly connected with a vibrating rod, the bottom surface of the drying barrel is fixedly connected with a discharging inclined plate, and one side of the discharging inclined plate is fixedly connected with the discharging port.

[0007] The bottom end of the centrifuge is fixedly connected with an atomizing mechanism, and the atomizing mechanism includes a spiral feed plate, a feed air duct, a heater, an atomizer, a turntable and a nozzle. The bottom end of the centrifuge is fixedly connected with an atomizer, and the middle part of the bottom surface of the atomizer is movably connected with a turntable, and the surface of the turntable is fixedly provided with a plurality of nozzles. One side of the surface of the centrifuge is fixedly connected with a spiral feed plate, one side of the spiral feed plate is fixedly connected with a feed air duct, and the other side of the feed air duct is fixedly connected with a heater.

[0008] Preferably, a discharge connecting pipe is fixedly connected to one side of the bottom end of the discharge port, and the atomized powder can enter the next process through the discharge connecting pipe.

[0009] Preferably, a discharge box is fixedly connected to the other side of the discharge connecting pipe, and a plurality of discharge ports are fixedly connected to both sides of the bottom surface of the discharge box, which are connected to the discharge box through the discharge connecting pipe. The discharge box can store powdered materials and can also discharge materials through multiple discharge ports.

[0010] Preferably, an air filter plate is fixedly connected to one side of the top of the mounting frame, and an exhaust pump is fixed to the other side of the air filter plate. The exhaust pump can efficiently filter the air to purify the air, meeting the environmental protection requirements.

[0011] Preferably, the spiral feeding mechanism can perform high-speed centrifugal atomization through an atomizer, and the liquid passing through the spiral feeding plate can be quickly atomized, ensuring that the liquid is spread more evenly, thereby achieving a smaller particle size of the dry powder.

[0012] Preferably, a waste gas discharge pipe is fixedly connected to the other side of the mounting frame, and useless water vapor generated during the atomization process can be discharged through the waste discharge pipe.

[0013] Compared with the prior art, the beneficial effects of the utility model are:

[0014] The atomizing device for a spray dryer is provided with a drying atomizing mechanism on one side of a mounting frame, and a drying barrel is mounted on the mounting frame through a fixing frame. The centrifuge and atomizer on the top of the drying barrel can evenly spray liquid through a turntable and a nozzle, and then evenly mix the liquid with the hot air entering from the spiral mechanism on the top of the drying barrel to exchange heat energy, thereby achieving the goal of rapidly drying the liquid into powder after it is thrown into mist by a high-speed atomizer and contacts with the hot air.

[0015] The atomizing device for a spray dryer is provided with a spiral feed plate with an atomizing mechanism, a feed air duct, a heater, an air filter plate, and an exhaust pump. The ambient air can be initially filtered and then sent into the feed air duct through the exhaust pump. The air is heated by a heater provided on one side of the feed air duct. The hot air meeting the process requirements enters the barrel through the spiral feed plate thread, thereby achieving the mixing of heat energy with liquid material to form powder. BRIEF DESCRIPTION OF THE DRAWINGS

[0016] Figure 1 It is a schematic diagram of the overall structure of the utility model;

[0017] Figure 2 This is a schematic diagram of the planar structure of the drying barrel of the utility model;

[0018] Figure 3 This is a schematic diagram of the planar structure of the discharge box of the utility model;

[0019] Figure 4 It is a top view schematic diagram of the spiral feed plate of the utility model.

[0020] In the figure: 1. mounting frame; 2. drying barrel; 3. fixing frame; 4. centrifuge; 5. connecting rod; 6. connecting telescopic rod; 7. vibration rod; 8. discharging inclined plate; 9. discharging port; 10. spiral feeding plate; 11. feeding air duct; 12. heater; 13. atomizer; 14. turntable; 15. nozzle; 16. discharging connecting pipe; 17. discharging box; 18. discharging port; 19. air filter plate; 20. exhaust pump; 21. exhaust pipe. DETAILED DESCRIPTION

[0021] The following will be combined with the drawings in the embodiments of the utility model to clearly and completely describe the technical solutions in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, not all of the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the utility model.

[0022] See also Figure 1-Figure 4 As shown, a technical solution provided by the utility model:

[0023] A spray dryer atomization device comprises a mounting frame 1, one side of the mounting frame 1 is fixedly connected with a drying atomization mechanism, the drying atomization mechanism comprises a drying barrel 2, a fixing frame 3, a centrifuge 4, a connecting rod 5, a connecting telescopic rod 6, a vibrating rod 7, a discharging inclined plate 8, and a discharging port 9, one side of the inner wall of the mounting frame 1 is fixedly connected with the fixing frame 3, the other side of the fixing frame 3 is fixedly connected with the drying barrel 2, the top surface of the drying barrel 2 is fixedly connected with a spiral feeding mechanism, the middle part of the top surface of the drying barrel 2 is fixedly connected with the centrifuge 4, the bottom end of the centrifuge 4 is fixedly connected with the connecting rod 5, the bottom of the connecting rod 5 is fixedly connected with the connecting telescopic rod 6, both sides of the connecting telescopic rod 6 are fixedly connected with the vibrating rod 7, the bottom surface of the drying barrel 2 is fixedly connected with a discharging inclined plate, and one side of the discharging inclined plate 8 is fixedly connected with the discharging port 9;

[0024] The bottom end of the centrifuge 4 is fixedly connected with an atomizing mechanism, which includes a spiral feed plate 10, a feed air duct 11, a heater 12, an atomizer 13, a turntable 14 and a nozzle 15. The bottom end of the centrifuge 4 is fixedly connected with the atomizer 13, and the middle part of the bottom surface of the atomizer 13 is movably connected with the turntable 14. The surface of the turntable 14 is fixedly provided with a plurality of nozzles 15. One side of the surface of the centrifuge 4 is fixedly connected with the spiral feed plate 10, one side of the spiral feed plate 10 is fixedly connected with the feed air duct 11, and the other side of the feed air duct 11 is fixedly connected with the heater 12.

[0025] In this embodiment, preferably, a discharge connection pipe 16 is fixedly connected to one side of the bottom end of the discharge port 9, and the atomized powder can enter the next process through the discharge connection pipe 16;

[0026] In this embodiment, preferably, a discharge box 17 is fixedly connected to the other side of the discharge connection pipe 16, and a plurality of discharge ports 18 are fixedly connected to both sides of the bottom surface of the discharge box 17, which is connected to the discharge box 17 through the discharge connection pipe 16, and the discharge box 17 can store powder and can also discharge through the plurality of discharge ports 18;

[0027] In this embodiment, preferably, an air filter plate 19 is fixedly connected to one side of the top of the mounting frame 1, and an exhaust pump 20 is fixed to the other side of the air filter plate 19. The exhaust pump 20 can efficiently filter the air for purification, meeting the environmental protection requirements;

[0028] In this embodiment, preferably, the spiral feeding mechanism can be centrifugally atomized at high speed through the atomizer 13, and the liquid passing through the spiral feeding plate 10 can be quickly atomized, ensuring that the liquid is dispersed more evenly, so that the particle size of the dry powder can be smaller;

[0029] In this embodiment, preferably, a waste gas discharge pipe 21 is fixedly connected to the other side of the mounting frame 1, and useless water vapor generated during the atomization process can be discharged through the waste discharge pipe.

[0030] When in use, the atomizing device for a spray dryer of the present embodiment is provided with a drying atomizing mechanism on one side of the mounting frame 1, and the drying barrel 2 is installed in the mounting frame 1 through the fixing frame 3. The centrifuge 4 and the atomizer 13 at the top of the drying barrel 2 can be used to uniformly spray the liquid through the turntable 14 and the nozzle, and then the liquid is uniformly mixed with the hot air entering from the spiral mechanism at the top of the drying barrel 2 to exchange heat energy, so that the liquid is quickly dried into powder after being thrown into a mist by the high-speed atomizer 13 and contacting with the hot air. The ambient air can be preliminarily filtered through the spiral feeding plate 10 provided with the atomizing mechanism, and then sent into the feeding air duct 11 through the exhaust pump 20, and heated by the heater 12 provided on one side of the feeding air duct 11. The hot air that meets the process requirements enters the barrel through the spiral feeding plate 10 thread, so that the heat energy is mixed with the liquid to form a powder.

[0031] The above shows and describes the basic principle, main features and advantages of the utility model. Those skilled in the art should understand that the utility model is not limited by the above embodiments. The above embodiments and descriptions are only preferred examples of the utility model and are not used to limit the utility model. Without departing from the spirit and scope of the utility model, the utility model may have various changes and improvements, which fall within the scope of the utility model to be protected. The scope of protection of the utility model is defined by the attached claims and their equivalents.

Claims

1. An atomizing device for a spray dryer, characterized in that: The invention comprises a mounting frame (1), one side of which is fixedly connected to a drying atomization mechanism, the drying atomization mechanism comprising a drying barrel (2), a fixing frame (3), a centrifuge (4), a connecting rod (5), a connecting telescopic rod (6), a vibrating rod (7), a discharging inclined plate (8), and a discharging port (9), one side of the inner wall of the mounting frame (1) is fixedly connected to the fixing frame (3), the other side of the fixing frame (3) is fixedly connected to the drying barrel (2), the top surface of the drying barrel (2) is fixedly connected to a spiral feeding mechanism, the middle part of the top surface of the drying barrel (2) is fixedly connected to the centrifuge (4), the bottom end of the centrifuge (4) is fixedly connected to a connecting rod (5), the bottom of the connecting rod (5) is fixedly connected to a connecting telescopic rod (6), both sides of the connecting telescopic rod (6) are fixedly connected to the vibrating rod (7), the bottom surface of the drying barrel (2) is fixedly connected to a discharging inclined plate, and one side of the discharging inclined plate (8) is fixedly connected to the discharging port (9); The bottom end of the centrifuge (4) is fixedly connected to an atomizing mechanism, and the atomizing mechanism comprises a spiral feed plate (10), a feed air duct (11), a heater (12), an atomizer (13), a turntable (14) and a nozzle (15). The bottom end of the centrifuge (4) is fixedly connected to the atomizer (13), the middle part of the bottom surface of the atomizer (13) is movably connected to the turntable (14), and the surface of the turntable (14) is fixedly provided with a plurality of nozzles (15). One side of the surface of the centrifuge (4) is fixedly connected to the spiral feed plate (10), one side of the spiral feed plate (10) is fixedly connected to the feed air duct (11), and the other side of the feed air duct (11) is fixedly connected to the heater (12).

2. The atomizing device for a spray dryer according to claim 1, characterized in that: A discharge connecting pipe (16) is fixedly connected to one side of the bottom end of the discharge port (9).

3. The atomizing device for a spray dryer according to claim 2, characterized in that: The other side of the discharge connecting pipe (16) is fixedly connected to a discharge box (17), and both sides of the bottom surface of the discharge box (17) are fixedly connected to a plurality of discharge ports (18).

4. The atomizing device for a spray dryer according to claim 1, characterized in that: An air filter plate (19) is fixedly connected to one side of the top end of the mounting frame (1), and an air extraction pump (20) is fixed to the other side of the air filter plate (19).

5. The atomizing device for a spray dryer according to claim 1, characterized in that: The spiral feeding mechanism can perform high-speed centrifugal atomization through the atomizer (13).

6. The atomizing device for a spray dryer according to claim 1, characterized in that: The other side of the mounting frame (1) is fixedly connected to an exhaust gas discharge pipe (21).

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