Boiling bed dryer

Abstract

The utility model relates to the technical field of fluidized bed drying machines, in particular to a fluidized bed drying machine which comprises a drying machine body, a spiral conveyor, a feeding box, a supporting shell, a screening barrel, a feeding port, a rotating mechanism and a smashing mechanism, the spiral conveyor is installed on the drying machine body, the feeding box is fixedly arranged on the spiral conveyor, and the supporting shell is arranged on the supporting shell. The spiral conveyor communicates with the dryer body and the feeding box, the supporting shell is arranged in the feeding box, a plurality of supporting columns are fixedly arranged between the supporting shell and the inner wall of the feeding box, the screening barrel is rotationally arranged between the supporting shell and the inner top wall of the feeding box, the feeding opening is formed in the inner top wall of the feeding box, and the rotating mechanism is arranged in the feeding box. The control mechanism is arranged on the supporting shell and used for controlling the screen barrel to rotate, the smashing mechanism is arranged on the supporting shell and used for smashing caked materials in the screen barrel, and through the technical scheme, the problem that the caked materials affect the drying efficiency in the drying process of the fluidized bed dryer in the related technology is solved.

Description

Technical Field

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

[0002] Fluidized bed dryer, also known as fluidized bed, is composed of air filter, heater, fluidized bed main unit, cyclone separator, bag dust collector, high pressure centrifugal fan and operating table.

[0003] When the fluidized bed dryer is used, wet solid materials are added into the fluidized bed dryer from the feed bin. The filtered clean air is heated and sent to the bottom of the fluidized bed by the blower, and contacts the solid materials through the distribution plate to form fluidization to achieve gas-solid heat and mass exchange. After the materials are dried, they are discharged from the discharge port, and the exhaust gas is discharged from the top of the fluidized bed, and the solid powder is recovered by the cyclone dust collector and bag dust collector before being emptied.

[0004] However, when the materials are piled up in the feed bin, the wet materials are prone to agglomeration. When the agglomerated materials enter the fluidized bed dryer for drying, the agglomerated materials are prone to incomplete drying, so they need to be dried repeatedly, increasing the drying cost. Utility Model Content

[0005] The utility model provides a fluidized bed dryer, which solves the problem in the related art that agglomerated materials affect the drying efficiency during the drying process of the fluidized bed dryer.

[0006] The technical solution of the utility model is as follows: a fluidized bed dryer, comprising a dryer body, a screw conveyor, a feed box, a support shell, a screen barrel, a feed port, a rotating mechanism and a crushing mechanism;

[0007] The screw conveyor is installed on the dryer body;

[0008] The feed box is fixedly arranged on the screw conveyor;

[0009] Wherein, the screw conveyor is respectively connected with the dryer body and the feed box;

[0010] The support shell is arranged in the feed box, and a plurality of support columns are fixedly arranged between the support shell and the inner wall of the feed box;

[0011] The screen barrel is rotatably disposed between the support shell and the inner top wall of the feed box;

[0012] The feed inlet is opened on the inner top wall of the feed box;

[0013] The rotating mechanism is arranged in the feed box and is used to control the rotation of the screen barrel;

[0014] The crushing mechanism is arranged on the supporting shell and is used for crushing the agglomerated materials in the screen barrel.

[0015] Preferably, the rotating mechanism comprises:

[0016] A first annular rack, wherein the first annular rack is fixedly disposed on the screen barrel;

[0017] A first gear, the first gear is rotatably disposed on the inner top wall of the feed box, and the first gear is meshed with the first annular rack;

[0018] A first motor, wherein the first motor is fixedly disposed on the feed box, and an output end of the first motor is fixedly connected to the first gear.

[0019] Furthermore, the crushing mechanism comprises:

[0020] A support plate, the support plate being slidably disposed in the support shell;

[0021] A support opening, the support opening being opened on the inner top wall of the support shell;

[0022] A crushing column, the crushing column is rotatably arranged on the support plate, the crushing column passes through the support opening and extends into the screen barrel;

[0023] Crushing rods, a plurality of the crushing rods are rotatably arranged on the side wall of the crushing column, and a plurality of crushing teeth are fixedly arranged on each crushing rod;

[0024] A power input mechanism, the power input mechanism is arranged on the support plate and is used to control the crushing column and the crushing rod to rotate respectively;

[0025] A reciprocating lifting mechanism is arranged in the supporting shell and is used to control the reciprocating lifting and lowering of the supporting plate and the pulverizing column.

[0026] Furthermore, the power input mechanism includes:

[0027] a first cavity, the first cavity being opened in the pulverizing column;

[0028] A first bevel gear, wherein the first bevel gear is rotatably arranged on the side wall of the first cavity close to the pulverizing rod, and the pulverizing rod is fixedly connected to the first bevel gear;

[0029] a second bevel gear, the second bevel gear being rotatably disposed on the inner bottom wall of the first cavity;

[0030] A driving rod, the driving rod is fixedly disposed between the second bevel gear and the support plate, and the driving rod is rotatably connected to the pulverizing column;

[0031] A second annular rack, the second annular rack being fixedly disposed on the side wall of the pulverizing column;

[0032] a second gear, the second gear being rotatably disposed on the support plate, the second gear being meshed with the second annular rack;

[0033] A second motor, wherein the second motor is fixedly disposed on the support plate, and an output end of the second motor is fixedly connected to the second gear.

[0034] Furthermore, the reciprocating lifting mechanism includes:

[0035] A lifting opening, wherein a plurality of the lifting openings are provided on the support plate, and a lead screw nut is fixedly arranged in the lifting opening;

[0036] a reciprocating screw, the reciprocating screw being arranged in the support housing for rotation corresponding to the lifting port;

[0037] Wherein, the reciprocating screw passes through the screw nut;

[0038] A power transmission mechanism is arranged in the support housing and is used to control the reciprocating screw to rotate synchronously.

[0039] On the basis of the above scheme, the power transmission mechanism includes:

[0040] A second cavity, wherein the second cavity is formed on an inner top wall of the supporting shell;

[0041] An outer annular rack, the outer annular rack is sleeved on the pulverizing column, and the inner wall of the outer annular rack is slidably connected with the pulverizing column;

[0042] A third gear, a plurality of the third gears are rotatably arranged in the second cavity, the third gears correspond to the reciprocating screws one by one, and the third gears are fixedly connected to the reciprocating screws.

[0043] The working principle and beneficial effects of the utility model are:

[0044] 1. In the utility model, through the setting of the rotating mechanism, the operation of the first motor can drive the first gear to rotate, and at the same time, the meshing of the first gear and the first annular rack drives the screen barrel to rotate, so that the loose materials can be thrown out through the screen barrel under the action of centrifugal force, thereby completing the screening of the materials;

[0045] 2. In the utility model, through the setting of the crushing mechanism, the operation of the second motor can drive the second gear to rotate, and the meshing of the second gear and the second annular rack can drive the crushing column to rotate, so that the crushing rod and the crushing teeth can move around the crushing column, and the rotation of the crushing column can drive the first bevel gear to move around the second bevel gear, so that the meshing of the first bevel gear and the second bevel gear can drive the crushing rod to rotate, so that the agglomerated materials are crushed by the crushing teeth and the crushing rod, and the crushed materials are discharged from the screen barrel;

[0046] 3. In the present invention, by setting the reciprocating lifting mechanism, the rotation of the crushing column can drive the outer annular rack to rotate through the meshing of the crushing column and the outer annular rack, and at the same time, the meshing of the outer annular rack and the third gear drives the reciprocating screw to rotate, thereby controlling the lifting plate and the crushing column to reciprocate, thereby further improving the crushing efficiency;

[0047] 4. In the utility model, the arrangement of the dryer body, the screw conveyor, the feed box, the supporting shell, the screen barrel, the feed port, the rotating mechanism and the crushing mechanism facilitates the screening of the material by the rotation of the screen barrel, and the crushing mechanism is used to crush the agglomerated material in the screen barrel. After that, the material is added to the dryer body for drying through the screw conveyor, which solves the problem in the related art that the agglomerated material affects the drying efficiency during the drying process of the fluidized bed dryer. BRIEF DESCRIPTION OF THE DRAWINGS

[0048] The utility model is further described in detail below in conjunction with the accompanying drawings and specific implementation methods.

[0049] Figure 1 It is a schematic diagram of the structure of the utility model;

[0050] Figure 2 This is a structural schematic diagram of the feed box of the utility model;

[0051] Figure 3 This is a schematic diagram of the cross-sectional structure of the screen barrel of the utility model;

[0052] Figure 4 It is a schematic diagram of the structure of the pulverizing mechanism of the utility model.

[0053] In the figure: 1. dryer body; 2. screw conveyor; 3. feed box; 4. support shell; 5. screen barrel; 6. first annular rack; 7. first gear; 8. first motor; 9. support plate; 10. crushing column; 11. crushing rod; 12. first cavity; 13. first bevel gear; 14. second bevel gear; 15. driving rod; 16. second annular rack; 17. second gear; 18. second motor; 19. reciprocating screw; 20. outer annular rack; 21. third gear. DETAILED DESCRIPTION

[0054] The following will be combined with 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 of 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.

[0055] like Figure 1~Figure 4 As shown, this embodiment proposes a fluidized bed dryer, including a dryer body 1, a screw conveyor 2, a feed box 3, a support shell 4, a screen barrel 5, a feed port, a rotating mechanism and a crushing mechanism, the screw conveyor 2 is installed on the dryer body 1, and the feed box 3 is fixedly arranged on the screw conveyor 2, wherein the screw conveyor 2 is connected with the dryer body 1 and the feed box 3 respectively, the support shell 4 is arranged in the feed box 3, and a plurality of support columns are fixedly arranged between the support shell 4 and the inner wall of the feed box 3, the screen barrel 5 is rotatably arranged between the support shell 4 and the inner top wall of the feed box 3, the feed port is opened on the inner top wall of the feed box 3, the rotating mechanism is arranged in the feed box 3, and is used to control the rotation of the screen barrel 5, and the crushing mechanism is arranged on the support shell 4, and is used to crush the agglomerated material in the screen barrel 5.

[0056] Among them, the rotating mechanism includes a first annular rack 6, a first gear 7 and a first motor 8. The first annular rack 6 is fixedly set on the screen barrel 5, the first gear 7 is rotatably set on the inner top wall of the feed box 3, the first gear 7 is meshed with the first annular rack 6, the first motor 8 is fixedly set on the feed box 3, and the output end of the first motor 8 is fixedly connected to the first gear 7.

[0057] Specifically, after the operator adds the material into the screen barrel 5 through the feed port, the operator controls the first motor 8 to work. The operation of the first motor 8 can drive the first gear 7 to rotate, and at the same time, the meshing of the first gear 7 and the first annular rack 6 drives the screen barrel 5 to rotate, so that the loose material can be thrown out through the screen barrel 5 under the action of centrifugal force, thereby completing the screening of the material.

[0058] Among them, the crushing mechanism includes a support plate 9, a support port, a crushing column 10, a crushing rod 11, a power input mechanism and a reciprocating lifting mechanism. The support plate 9 is slidably arranged in the support shell 4, and the support port is opened on the inner top wall of the support shell 4. The crushing column 10 is rotatably arranged on the support plate 9. The crushing column 10 passes through the support port and extends into the screen barrel 5. A plurality of crushing rods 11 are rotatably arranged on the side wall of the crushing column 10, and a plurality of crushing teeth are fixedly arranged on each crushing rod 11. The power input mechanism is arranged on the support plate 9, which is used to control the crushing column 10 and the crushing rod 11 to rotate respectively. The reciprocating lifting mechanism is arranged in the support shell 4, which is used to control the support plate 9 and the crushing column 10 to reciprocate. The power input mechanism includes a first cavity 12, a first bevel gear 13, a second bevel gear 14, The driving rod 15, the second annular rack 16, the second gear 17 and the second motor 18, the first cavity 12 is opened in the crushing column 10, and the first bevel gear 13 is rotatably arranged on the side wall of the first cavity 12 close to the crushing rod 11. The crushing rod 11 is fixedly connected to the first bevel gear 13, and the second bevel gear 14 is rotatably arranged on the inner bottom wall of the first cavity 12. The driving rod 15 is fixedly arranged between the second bevel gear 14 and the support plate 9. The driving rod 15 is rotatably connected to the crushing column 10, the second annular rack 16 is fixedly arranged on the side wall of the crushing column 10, the second gear 17 is rotatably arranged on the support plate 9, the second gear 17 is meshed with the second annular rack 16, the second motor 18 is fixedly arranged on the support plate 9, and the output end of the second motor 18 is fixedly connected to the second gear 17.

[0059] Specifically, after screening, the operator controls the second motor 18 to work, and the work of the second motor 18 can drive the second gear 17 to rotate, and at the same time, the engagement of the second gear 17 with the second annular rack 16 drives the crushing column 10 to rotate, so that the crushing rod 11 and the crushing teeth move around the crushing column 10, and at the same time, the rotation of the crushing column 10 can drive the first bevel gear 13 to move around the second bevel gear 14, so that the engagement of the first bevel gear 13 with the second bevel gear 14 drives the crushing rod 11 to rotate, so that the agglomerated material is crushed by the crushing teeth and the crushing rod 11, and the crushed material is discharged from the screen barrel 5.

[0060] Among them, the reciprocating lifting mechanism includes a lifting port, a reciprocating screw 19 and a power transmission mechanism. A plurality of lifting ports are opened on the support plate 9, and a screw nut is fixedly arranged in the lifting port. The reciprocating screw 19 is arranged in the support shell 4 for rotating corresponding to the lifting port, wherein the reciprocating screw 19 passes through the screw nut, and the power transmission mechanism is arranged in the support shell 4 for controlling the reciprocating screw 19 to rotate synchronously. The power transmission mechanism includes a second cavity, an outer annular rack 20 and a third gear 21. The second cavity is opened on the inner top wall of the support shell 4, and the outer annular rack 20 is mounted on the crushing column 10. The inner wall of the outer annular rack 20 is slidably connected to the crushing column 10. A plurality of third gears 21 are rotatably arranged in the second cavity. The third gear 21 corresponds to the reciprocating screw 19 one by one, and the third gear 21 is fixedly connected to the reciprocating screw 19.

[0061] Specifically, the rotation of the crushing column 10 can drive the outer annular rack 20 to rotate through the meshing of the crushing column 10 and the outer annular rack 20, and at the same time, the reciprocating screw 19 is driven to rotate through the meshing of the outer annular rack 20 and the third gear 21, thereby controlling the lifting plate and the crushing column 10 to reciprocate, thereby further improving the crushing efficiency.

[0062] In the present embodiment, when in use, the operator controls the first motor 8 to work after adding the material into the screen barrel 5 through the feed port, and the operation of the first motor 8 can drive the first gear 7 to rotate, and at the same time, the meshing of the first gear 7 and the first annular rack 6 drives the screen barrel 5 to rotate, so that the loose material can be thrown out through the screen barrel 5 under the action of centrifugal force, thereby completing the screening of the material. After the screening, the operator controls the second motor 18 to work, and the operation of the second motor 18 can drive the second gear 17 to rotate, and at the same time, the meshing of the second gear 17 and the second annular rack 16 drives the crushing column 10 to rotate, so that the crushing rod 11 and the crushing teeth move around the crushing column 10, and at the same time, the crushing The rotation of the column 10 can drive the first bevel gear 13 to move around the second bevel gear 14, thereby driving the crushing rod 11 to rotate through the meshing of the first bevel gear 13 and the second bevel gear 14, so that the agglomerated material is crushed by the crushing teeth and the crushing rod 11, and the crushed material is discharged from the screen barrel 5. At the same time, the rotation of the crushing column 10 can drive the outer annular rack 20 to rotate through the meshing of the crushing column 10 and the outer annular rack 20, and at the same time, the reciprocating screw 19 is driven to rotate through the meshing of the outer annular rack 20 and the third gear 21, thereby controlling the lifting plate and the crushing column 10 to reciprocate and lift, thereby further improving the crushing efficiency. After that, the material enters the dryer body 1 for drying under the action of the screw conveyor 2.

[0063] The above are only preferred embodiments of the present invention and are not intended to limit the present invention. Any modifications, equivalent substitutions, improvements, etc. made within the spirit and principles of the present invention should be included in the protection scope of the present invention.

Claims

1. A fluidized bed dryer, characterized in that: include: Dryer body (1); A screw conveyor (2), the screw conveyor (2) being mounted on the dryer body (1); A feed box (3), the feed box (3) being fixedly arranged on the screw conveyor (2); Wherein, the screw conveyor (2) is respectively connected to the dryer body (1) and the feed box (3); A support shell (4), the support shell (4) being arranged in the feed box (3), and a plurality of support columns being fixedly arranged between the support shell (4) and the inner wall of the feed box (3); A sieve barrel (5), the sieve barrel (5) being rotatably disposed between the support shell (4) and the inner top wall of the feed box (3); A feed inlet, the feed inlet being opened on the inner top wall of the feed box (3); A rotating mechanism, the rotating mechanism being arranged in the feed box (3) and being used to control the rotation of the screen barrel (5); a crushing mechanism, the crushing mechanism being arranged on the supporting shell (4) and being used for crushing agglomerated materials in the sieve barrel (5); Wherein, the rotating mechanism comprises: a first annular rack (6), the first annular rack (6) being fixedly arranged on the sieve barrel (5); a first gear (7), the first gear (7) being rotatably disposed on the inner top wall of the feed box (3), the first gear (7) being meshed with the first annular rack (6); a first motor (8), the first motor (8) being fixedly arranged on the feed box (3), and an output end of the first motor (8) being fixedly connected to the first gear (7); Wherein, the crushing mechanism comprises: A support plate (9), the support plate (9) being slidably disposed in the support shell (4); A support opening, the support opening being formed on an inner top wall of the support shell (4); a crushing column (10), the crushing column (10) being rotatably disposed on the support plate (9), the crushing column (10) penetrating the support opening and extending into the screen barrel (5); Crushing rods (11), a plurality of the crushing rods (11) being rotatably arranged on the side wall of the crushing column (10), and a plurality of crushing teeth being fixedly arranged on each crushing rod (11); A power input mechanism, the power input mechanism being arranged on the support plate (9) and used for controlling the crushing column (10) and the crushing rod (11) to respectively rotate on their own; A reciprocating lifting mechanism, the reciprocating lifting mechanism is arranged in the supporting shell (4) and is used to control the supporting plate (9) and the pulverizing column (10) to perform reciprocating lifting and lowering.

2. A fluidized bed dryer according to claim 1, characterized in that: The power input mechanism comprises: A first cavity (12), wherein the first cavity (12) is opened in the pulverizing column (10); a first bevel gear (13), wherein the first bevel gear (13) is rotatably arranged on a side wall of the first cavity (12) close to the pulverizing rod (11), and the pulverizing rod (11) is fixedly connected to the first bevel gear (13); a second bevel gear (14), the second bevel gear (14) being rotatably disposed on an inner bottom wall of the first cavity (12); A driving rod (15), the driving rod (15) being fixedly arranged between the second bevel gear (14) and the support plate (9), the driving rod (15) being rotationally connected to the pulverizing column (10); a second annular rack (16), the second annular rack (16) being fixedly arranged on a side wall of the pulverizing column (10); a second gear (17), the second gear (17) being rotatably disposed on the support plate (9), the second gear (17) being meshed with the second annular rack (16); A second motor (18), wherein the second motor (18) is fixedly disposed on the support plate (9), and an output end of the second motor (18) is fixedly connected to the second gear (17).

3. A fluidized bed dryer according to claim 2, characterized in that: The reciprocating lifting mechanism comprises: A lifting opening, wherein a plurality of the lifting openings are provided on the support plate (9), and a lead screw nut is fixedly arranged in the lifting opening; a reciprocating screw (19), the reciprocating screw (19) being arranged in the support shell (4) so ​​as to rotate correspondingly to the lifting port; Wherein, the reciprocating screw (19) passes through the screw nut; A power transmission mechanism, the power transmission mechanism is arranged in the support housing (4) and is used to control the reciprocating screw (19) to rotate synchronously.

4. A fluidized bed dryer according to claim 3, characterized in that: The power transmission mechanism comprises: a second cavity, the second cavity being opened on the inner top wall of the supporting shell (4); An outer annular rack (20), the outer annular rack (20) being sleeved on the pulverizing column (10), the inner wall of the outer annular rack (20) being slidably connected to the pulverizing column (10); A third gear (21), wherein a plurality of the third gears (21) are rotatably arranged in the second cavity, the third gears (21) correspond to the reciprocating screws (19) one by one, and the third gears (21) are fixedly connected to the reciprocating screws (19).

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