Hopper assembly of boiling dryer

Abstract

The utility model belongs to the technical field of drying equipment, and particularly relates to a boiling dryer hopper assembly which comprises a rack, a hopper mechanism, a stirring mechanism and a lifting mechanism, the hopper mechanism comprises an outer hopper and an inner hopper, the outer hopper is rotatably arranged on the rack, a bottom plate is arranged at the bottom of the outer hopper, and positioning grooves are formed in the inner walls of the left side and the right side of the outer hopper respectively. The inner hopper is arranged in the outer hopper, an annular limiting plate is arranged at the top of the inner hopper, inclined limiting plates are arranged on the left side and the right side of the bottom of the annular limiting plate, and the shapes of the inclined limiting plates are matched with the positioning grooves of the outer hopper; the stirring mechanism is arranged above the hopper mechanism and is used for stirring materials in the inner hopper; the lifting mechanism is arranged on the rack, is positioned on the side part of the hopper mechanism and is used for driving the stirring mechanism to lift up and down. According to the device, the drying effect can be improved, the service life of the stirring motor can be prolonged, the application range can be widened through the split design of the hopper mechanism, and use is more flexible.

Description

TECHNICAL FIELD

[0001] The utility model belongs to dry equipment technical field, and concretely relates to a fluidized bed dryer hopper assembly. BACKGROUND

[0002] The fluidized bed dryer is mainly used for fluidized bed drying of granular materials with a particle size of 0.1-6mm, and is suitable for drying of finished products and intermediates in pharmaceutical, food, light industry, chemical industry and other industries. The working principle of the fluidized bed dryer is that air is introduced from the lower part by an induced draft fan after being heated and purified, passes through the hole screen plate of the hopper, and then the material is formed into fluidization in the working chamber through stirring and negative pressure, the moisture is quickly evaporated and taken away with the exhaust gas, so that the material is quickly dried.

[0003] In the prior art, for example, a fluidized bed dryer hopper disclosed in CN220624596U is provided with a detachable punching bottom plate and a detachable inner hopper, which can adapt to different sizes of materials and can dry the materials from the side to improve the drying efficiency of the materials. However, the hopper in this scheme lacks a stirring device, which cannot make the material form stable fluidization, and some materials may not be fully dehydrated and dried, which will affect the drying effect.

[0004] For example, CN203744698U discloses a high-efficiency fluidized bed dryer hopper, and CN202494319U discloses a high-efficiency fluidized bed dryer hopper. Although both schemes are provided with a stirring device, the stirring motor is arranged in the hopper, which may be damaged by the continuous collision of the material during operation, reducing the service life of the stirring motor and affecting the normal operation of the equipment.

[0005] Therefore, it is urgent to improve. UTILITY MODEL CONTENT

[0006] In view of the above defects existing in the prior art, the utility model provides a kind of boiling dryer hopper assembly, including rack, hopper mechanism, stirring mechanism and lifting mechanism, hopper mechanism includes outer hopper and inner hopper, and outer hopper and inner hopper are all the conical cylinder structure of upper opening diameter greater than lower opening diameter, outer hopper is rotationally arranged on rack, and is driven by servo motor to control its rotation, the bottom of outer hopper is provided with bottom plate, and the inner wall of the left and right sides of outer hopper is provided with positioning groove, and first bolt hole is formed in positioning groove, inner hopper is arranged in the inside of outer hopper, the bottom of inner hopper is provided with bottom wall, the top of inner hopper is provided with annular limit plate, and the left and right sides of the bottom of annular limit plate are provided with inclined limit plate, and the shape of inclined limit plate is adapted to the positioning groove of outer hopper, second screw hole is formed in inclined limit plate, after inner hopper is placed in outer hopper, make inclined limit plate insert into corresponding positioning groove, and inner hopper is positioned by the limiting effect of annular limit plate, positioning groove and inclined limit plate, the first bolt hole of positioning groove and the second bolt hole of inclined limit plate can correspond to each other at this time, and fixed bolt or butterfly bolt can be used to pass two bolt holes to be fixed, to fix inner hopper well;Stirring mechanism is arranged directly above hopper mechanism, for stirring the material in inner hopper;Lifting mechanism is arranged on rack and located at the side of hopper mechanism, for driving stirring mechanism to go up and down.

[0007] Optionally, the bottom of the rack is provided with universal wheels.

[0008] Specifically, the universal wheel adopts a brakeable universal wheel, such as the universal wheel structure disclosed in the published invention patent CN104859372A.

[0009] Optionally, the bottom plate is a punched screen plate.

[0010] Optionally, the bottom wall and the side wall of the inner hopper are both provided with a breathable mesh.

[0011] Specifically, the inner hopper has multiple specifications according to the size of the mesh holes of the breathable mesh to adapt to materials of different particle sizes.

[0012] Optionally, the lifting mechanism includes a fixed support, a reduction motor, a guide slide rail, a threaded rod and a sliding seat. The fixed support includes a top plate and a base arranged vertically, and a vertical fixed plate fixedly connected between the top plate and the base. The base is fixed on the rack. The reduction motor is installed above the top plate. The guide slide rail is vertically arranged on the vertical fixed plate. The upper and lower ends of the threaded rod are rotationally connected to the top plate and the base respectively. The top end of the threaded rod penetrates through the top plate and is in transmission connection with the output shaft of the reduction motor. The threaded rod penetrates through the sliding seat, and the sliding seat is slidably connected to the threaded rod through a nut pair of the threaded rod. One end of the sliding seat is slidably connected to the guide slide rail, and the other end of the sliding seat is fixedly connected with a fixed beam. A sealing cover is fixed below the fixed beam. An inlet and an exhaust port are arranged on the sealing cover, and a sealing cover is arranged at the inlet.

[0013] Optionally, the upper and lower ends of the guide slide rail are provided with limiting blocks.

[0014] Specifically, the limiting blocks are used for limiting the movement of the sliding seat on the guide slide rail.

[0015] Optionally, the stirring mechanism comprises a stirring motor and a stirring shaft, the stirring motor is installed above the fixed beam, the stirring shaft is vertically arranged, the top end of the stirring shaft penetrates through the sealing cover and the fixed beam and is connected with the output shaft of the stirring motor in transmission, the stirring shaft is sealingly and rotatably connected with the sealing cover and rotatably connected with the fixed beam, and the bottom end of the stirring shaft is provided with stirring blades.

[0016] The utility model discloses still include other components that can make a kind of fluidized bed dryer hopper assembly normal use, all be the conventional technical means in the field.

[0017] The utility model discloses a working principle is, when using, according to the granularity of material selects suitable inner bowl, and puts inner bowl into outer bowl, and fixes good inner bowl and outer bowl with fixed bolt, then controls the output shaft of speed reducer and turns, drives screw rod rotation, moves downwards with sliding seat, and then drives stirring mechanism to move downwards, until sealing cover covers the top of outer bowl, and speed reducer stops, when stirring shaft and stirring blade have all been extended to inner bowl, after sealing cover installation, material is put into inner bowl from feed inlet, after installation good sealing cover, after that, exhaust port is connected with exhaust fan with hose, and the air after purification and heating is guided from bottom to outer bowl, simultaneously, stirring motor is started, drives stirring shaft rotation, and material is stirred by driving stirring blade rotation, forms fluidization by stirring and negative pressure effect, and moisture is rapidly evaporated and is discharged, and material is rapidly dried. After drying, take down hose, unhook sealing cover, control the output shaft of speed reducer and reverse, drive stirring mechanism to move upwards, and rotate outer bowl by controlling servo motor drive, and pour out after drying material.

[0018] The utility model discloses a beneficial effect is, through frame, hopper mechanism, stirring mechanism and lifting mechanism, make stirring mechanism have the function of heightening, when drying, make material form stable fluidization, improve drying effect, and stirring motor can also be avoided to be damaged by material collision, improve the service life of stirring motor, guarantee the normal operation of equipment, in addition, the design of hopper mechanism split type can also improve the scope of application, and use is more flexible. BRIEF DESCRIPTION OF DRAWINGS

[0019] The utility model is further explained in connection with the drawings and embodiments.

[0020] Fig. 1 It is the whole structure schematic view of the utility model.

[0021] Fig. 2 It is the explosion drawing of the hopper mechanism of the utility model.

[0022] In the drawing: 1. frame, 2. outer hopper, 3. inner hopper, 4. bottom plate, 5. positioning groove, 6. first bolt hole, 7. air-permeable net, 8. annular limiting plate, 9. oblique limiting plate, 10. second bolt hole, 11. fixed bolt, 12. brakeable universal wheel, 13. fixed support, 14. speed reducer motor, 15. guide slide rail, 16. threaded rod, 17. sliding seat, 18. fixed beam, 19. sealing cover, 20. feeding port, 21. air outlet, 22. stirring motor, 23. stirring shaft, 24. stirring blade. DETAILED DESCRIPTION

[0023] The utility model is clearly described below in combination with the drawings in the embodiment of the utility model and specific embodiment, and the description herein is only used to explain the utility model, but not as the limitation to the utility model. Based on the embodiment in the utility model, all other embodiments obtained by the person skilled in the art without making creative labor, any modification, equivalent replacement, improvement etc. should be contained in the protection scope of the utility model.

[0024] EMBODIMENT

[0025] As Figs. 1-2The utility model discloses an embodiment provides a kind of boiling drying machine hopper assembly, including rack 1, hopper mechanism, stirring mechanism and lifting mechanism, hopper mechanism includes outer hopper 2 and inner hopper 3, and outer hopper 2 and inner hopper 3 are all the conical cylinder structure of upper opening diameter greater than lower opening diameter, outer hopper 2 is rotationally arranged on rack 1, and it is driven to control its rotation by servo motor (not shown in drawing), the bottom of outer hopper 2 is provided with bottom plate 4, and bottom plate 4 is punched screen plate, and the inner wall of the left and right sides of outer hopper 2 is provided with positioning groove 5, and first bolt hole 6 is arranged in positioning groove 5, inner hopper 3 is arranged in the inside of outer hopper 2, the bottom of inner hopper 3 is provided with bottom wall, and the bottom wall and the lateral wall of inner hopper 3 are all provided with breathable net 7, inner hopper 3 is provided with multiple specifications according to the size of breathable net 7 mesh, to adapt to different granularity materials, the top of inner hopper 3 is provided with annular limiting plate 8, the left and right sides of the bottom of annular limiting plate 8 are all provided with inclined limiting plate 9, and the shape of inclined limiting plate 9 is adapted to the positioning groove 5 of outer hopper 2, second threaded hole is opened on inclined limiting plate 9, after inner hopper 3 is placed into outer hopper 2, make inclined limiting plate 9 insert into corresponding positioning groove 5, inner hopper 3 is positioned by the limiting action of annular limiting plate 8, positioning groove 5 and inclined limiting plate 9, the first bolt hole 6 of positioning groove 5 and the second bolt hole 10 of inclined limiting plate 9 can correspond to each other, can be fixed bolt 11 through two bolt holes to be fixed, to fix inner hopper 3 well.

[0026] In addition, the bottom of rack 1 is provided with brakeable universal wheel 12, brakeable universal wheel 12 adopts prior art, such as published invention patent, the universal wheel structure in the brakeable universal wheel disclosed in CN104859372A.

[0027] Lifting mechanism is arranged on rack 1, and is located at the side of hopper mechanism, and lifting mechanism includes fixed support 13, reduction motor 14, guide slide rail 15, threaded rod 16 and sliding seat 17, fixed support 13 includes top plate and base arranged up and down, and vertical fixed plate fixedly connected between top plate and base, base is fixed on rack 1, reduction motor 14 is installed above top plate, guide slide rail 15 is vertically arranged on vertical fixed plate, the upper and lower ends of threaded rod 16 are rotationally connected on top plate and base respectively, the top end of threaded rod 16 passes through top plate and is connected with the output shaft transmission of reduction motor 14, threaded rod 16 penetrates sliding seat 17, and sliding seat 17 is slidably connected on threaded rod 16 through the nut pair of threaded rod 16, one end of sliding seat 17 is slidably connected on guide slide rail 15, the other end of sliding seat 17 is fixedly connected with fixed beam 18, fixed beam 18 is fixed below the sealing cover 19, the sealing cover 19 is provided with feed inlet 20 and exhaust port 21, and sealing cover 19 is provided with sealing cover at feed inlet 20.

[0028] In addition, the upper and lower ends of the guide slide rail 15 are provided with limiting blocks, which are used for limiting the movement of the sliding seat 17 on the guide slide rail 15.

[0029] The stirring mechanism is arranged directly above the hopper mechanism, and comprises a stirring motor 22 and a stirring shaft 23; the stirring motor 22 is installed above the fixed beam 18; the stirring shaft 23 is vertically arranged; the top end of the stirring shaft 23 penetrates through the sealing cover 19 and the fixed beam 18 and is connected in transmission with the output shaft of the stirring motor 22; the stirring shaft 23 is sealingly and rotatably connected with the sealing cover 19 and rotatably connected with the fixed beam 18; and the bottom end of the stirring shaft 23 is provided with stirring blades 24.

[0030] The working principle of the utility model is that, in use, appropriate inner bucket 3 is selected according to the granularity of the material, the inner bucket 3 is placed in the outer bucket 2, and the inner bucket 3 and the outer bucket 2 are fixed by the fixing bolt 11, then the output shaft of the reduction motor 14 is controlled to rotate forward, the threaded rod 16 is driven to rotate, the sliding seat 17 moves downward, and then the stirring mechanism moves downward until the sealing cover 19 covers the top of the outer bucket 2, the reduction motor 14 stops rotating, at this time, the stirring shaft 23 and the stirring blades 24 have been extended into the inner bucket 3, after the sealing cover 19 is installed, the material is poured into the inner bucket 3 from the feeding port 20, the sealing cover is installed after the pouring is completed, then the exhaust port 21 is connected with the exhaust fan by a hose, and the purified and heated air is introduced into the outer bucket 2 from the bottom, at the same time, the stirring motor 22 is started to drive the stirring shaft 23 to rotate, the material is stirred by driving the stirring blades 24 to rotate, the material is fluidized by the stirring and negative pressure effect, the moisture is rapidly evaporated and removed, and the material is rapidly dried.

[0031] The above has described the embodiments of the utility model, the above description is exemplary, is not exhaustive, and is not limited to the disclosed embodiments. Many modifications and changes are obvious to those skilled in the art without departing from the scope and spirit of the described embodiments.

Claims

1. A fluid bed dryer hopper assembly comprising a frame, a hopper mechanism, an agitating mechanism, and a lifting mechanism, characterized by: The hopper mechanism comprises an outer hopper and an inner hopper, and the outer hopper and the inner hopper are both conical cylinder structures with a diameter of an upper opening larger than that of a lower opening; the outer hopper is rotatably arranged on the frame; the bottom of the outer hopper is provided with a bottom plate; the inner walls on the left and right sides of the outer hopper are both provided with positioning grooves, and first bolt holes are arranged in the positioning grooves; the inner hopper is arranged in the inner part of the outer hopper; the bottom of the inner hopper is provided with a bottom wall; the top of the inner hopper is provided with an annular limiting plate; the left and right sides of the bottom of the annular limiting plate are both provided with inclined limiting plates, and the shapes of the inclined limiting plates are matched with the positioning grooves of the outer hopper; and second threaded holes are arranged on the inclined limiting plates.

2. The fluid bed dryer hopper assembly of claim 1, wherein: The bottom of the frame is provided with universal wheels.

3. The fluid bed dryer hopper assembly of claim 2, wherein: The bottom plate is a punched mesh plate.

4. The fluid bed dryer hopper assembly of claim 3, wherein: The bottom wall and the side wall of the inner hopper are both provided with air permeable meshes.

5. The fluid bed dryer hopper assembly of claim 4, wherein: The lifting mechanism comprises a fixed support, a reduction motor, a guide slide rail, a threaded rod and a sliding seat; the fixed support comprises a top plate and a base arranged in a vertical mode, and a vertical fixed plate fixedly connected between the top plate and the base; the base is fixed on the frame; the reduction motor is installed above the top plate; the guide slide rail is vertically arranged on the vertical fixed plate; the upper and lower ends of the threaded rod are rotatably connected to the top plate and the base respectively; the top end of the threaded rod penetrates through the top plate and is connected in transmission with the output shaft of the reduction motor; the threaded rod penetrates through the sliding seat, and the sliding seat is slidably connected to the threaded rod through a nut pair of the threaded rod; one end of the sliding seat is slidably connected to the guide slide rail; the other end of the sliding seat is fixedly connected with a fixed beam; a sealing cover is fixed below the fixed beam; a feeding port is arranged on the sealing cover, and a sealing cover is arranged at the feeding port.

6. The fluid bed dryer hopper assembly of claim 5, wherein: Limiting blocks are arranged at the upper and lower ends of the guide slide rail.

7. The fluid bed dryer hopper assembly of claim 6, wherein: The stirring mechanism comprises a stirring motor and a stirring shaft; the stirring motor is installed above the fixed beam; the stirring shaft is vertically arranged; the top end of the stirring shaft penetrates through the sealing cover and the fixed beam and is connected in transmission with the output shaft of the stirring motor; the stirring shaft is sealingly and rotatably connected with the sealing cover and rotatably connected with the fixed beam; and the bottom end of the stirring shaft is installed with stirring blades.

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