Flash dryer for iron phosphate

Abstract

The utility model relates to the technical field of related devices of flash drying machines, and discloses a flash drying machine for iron phosphate, which comprises a feeder, an air heater, a drying box, a dust remover, a hopper and a fan, the air heater and the feeder are symmetrically connected to two opposite sides of the drying box, the top of the drying box is communicated with the dust remover, and the dust remover is communicated with the hopper. The drying device is characterized in that a driving rod is rotatably connected to the bottom of the drying box, a lantern ring is slidably connected to the driving rod, a stirring rod is vertically fixed to one side of the lantern ring, the top of the driving rod is fixed to the center of a screen at the top of the drying box, and the top of the driving rod is fixed to the center of the screen at the bottom of the drying box. The material receiving device has the following advantages and effects that the force of materials impacting the material receiving plate is improved, and the drying efficiency of the materials is improved.

Description

TECHNICAL FIELD

[0001] The utility model relates to flash drying machine related device technical field, especially in kind of flash drying machine for iron phosphate. BACKGROUND

[0002] Flash drying machine is the new type continuous drying equipment of drying, crushing, screening in an organic whole, especially suitable for filter cake, paste, thin slurry material drying. Wet material drying time in drying tower is only 5-8 seconds, water content evaporates instantaneously, and the quality of dried products has great relationship with drying temperature, air speed, air volume and crushing speed.

[0003] At present, wet material enters the drying box in the feeding pipe, and high-temperature gas is introduced into the drying box at the same time. The relatively wet particles are mechanically broken under the action of the stirrer, and the particles with low moisture content and small particle size are carried upward by the rotating air flow. Although a screen is arranged in the drying box to return the materials not meeting the particle size to the bottom of the drying box, the screen is easy to be blocked, and the bottom of the drying box is easy to accumulate materials, which reduces the drying efficiency. UTILITARIAN CONTENT

[0004] The utility model discloses a kind of flash drying machines for iron phosphate, with the effect of real-time cleaning screen to prevent blockage, not moving to prevent deposition of material, accelerate drying efficiency.

[0005] The above technical purpose of the utility model is realized by the following technical scheme: including feeder, air heater, drying box, dust collector, hopper and fan, the air heater and feeder are symmetrically connected to the opposite sides of the drying box, the top of the drying box is communicated with the dust collector, the dust collector is connected with the hopper below, and the top of the dust collector is connected with the fan, characterized by: the bottom of the drying box is rotatably connected with a driving rod, a sleeve ring is slidably connected to the driving rod, a stirring rod is vertically fixed on one side of the sleeve ring, and the top of the driving rod is fixed to the center of the screen on the top of the drying box.

[0006] The utility model further provides that: one side of the driving rod is provided with an elongated chute, the sleeve ring is slidably connected in the chute, the other end of the stirring rod is rotatably connected with a short cylinder, and the short cylinder is limitingly and slidably connected in the chute on the inner wall surface of the drying box.

[0007] The utility model further provides that: the chute is continuous sinusoidal.

[0008] The utility model further provides that: a plurality of vertical rods are fixed on the stirring rod at intervals, the bottom of the vertical rod is provided with an arc-shaped material lifting rod, and the center of the material lifting rod corresponds to the same direction of rotation as the driving rod.

[0009] The utility model discloses further provide: the inner wall surface bottom of drying box is provided with the annular groove of concave, the annular groove is connected with the material receiving plate of limit rotation, the material receiving plate cover sets in the drive rod, the material receiving plate fixed cone gear no.

[0010] The utility model discloses further provide: the material receiving plate upper end surface interval is provided with a plurality of cone's material distributing block.

[0011] The utility model discloses further provide: the drive rod top is fixed with the arc brush hair pole no. 1, and the brush hair pole no. 1 is attached to the screen mesh outside.

[0012] The utility model discloses further provide: the stirring rod end portion close to the drying box inner wall surface is provided with strip brush hair pole no. 2.

[0013] The utility model discloses further provide: the screen mesh is hemispherical.

[0014] The utility model discloses further provide: the drive rod and motor no. 1's output shaft coaxial fixed connection, and motor no. 1 is fixed to the drying box bottom surface.

[0015] The utility model discloses beneficial effect is:

[0016] 1, material falls into the material receiving plate through the feed inlet of drying box, and when material contacts the material receiving plate, because the material receiving plate is constantly rotating, so material will bounce after contact, impact the drying box inner wall surface or subsequent again impact material, and the particle size of material is constantly decomposed and becomes small, and under the action of the hot air of entering the drying box, the weight of drying becomes light, is blown away and constantly rises through the screen mesh and discharges, by setting a plurality of material distributing blocks on the material receiving plate, improve the surface of the material receiving plate whole, improve the strength of material impact the material receiving plate, strengthen the drying efficiency of material.

[0017] 2, drive rod rotates under the action of motor no. 1, and the sleeve ring rotation of cover setting in the drive rod, and the sleeve ring drives the stirring rod rotation, because the stirring rod one end is located in the sliding slot no. 2, so the stirring rod will also reciprocating lift when rotating, strengthen the stirring of material, improve the diffusion of material in the drying box, improve drying efficiency.

[0018] 3, the bevel gear no. 3 of drive rod bottom and the bevel gear no. 2 outer meshing, and the bevel gear no. 2 and bevel gear no. 1 outer meshing, so the rotation direction of bevel gear no. 3 and bevel gear no. 1 is opposite, namely the rotation direction of material receiving plate and the rotation direction of drive rod is opposite, so the rotation direction of material receiving plate and stirring rod is opposite, because the vertical rod end portion of setting on the stirring rod has the material picking pole, the material on the material receiving plate is conveniently picked up, further improve the diffusion of material in the drying box, improve drying efficiency.

[0019] 4. By setting up brush rod one, the screen can be cleaned while the drive rod is rotating, so as to avoid screen blockage. Brush rod two can also clean the inner wall of the drying chamber, so as to prevent it from sticking to the inner wall. Attached Figure Description

[0020] To more clearly illustrate the technical solutions in the embodiments of this utility model, the drawings used in the description of the embodiments will be briefly introduced below. Obviously, the drawings described below are only some embodiments of this utility model. For those skilled in the art, other drawings can be obtained based on these drawings without creative effort.

[0021] Figure 1 This is a schematic diagram of the structure of this utility model.

[0022] Figure 2 This is a schematic diagram of the internal structure of the drying oven in this utility model.

[0023] Figure 3 yes Figure 2 A schematic diagram of the structure from another side.

[0024] In the diagram, 1. Feeder; 2. Air heater; 3. Drying oven; 4. Dust collector; 5. Hopper; 6. Fan; 7. Drive rod; 8. Collar; 9. Agitator; 10. Screen; 11. Brush rod one; 12. Brush rod two; 13. Vertical rod; 14. Picking rod; 15. Receiving plate; 16. Bevel gear one; 17. Bevel gear two; 18. Bevel gear three; 19. Dividing block; 20. Motor one. Detailed Implementation

[0025] The technical solution of this utility model will now be clearly and completely described with reference to specific embodiments. Obviously, the described embodiments are only a part of the embodiments of this utility model, and not all of them. All other embodiments obtained by those skilled in the art based on the embodiments of this utility model without creative effort are within the scope of protection of this utility model.

[0026] Example: A flash dryer for ferric phosphate, such as... Figures 1-3As shown, including feeder 1, air heater 2, drying box 3, dust collector 4, hopper 5 and fan 6, air heater 2 and feeder 1 are symmetrically connected to the opposite sides of drying box 3, the top of drying box 3 is communicated with dust collector 4, the hopper 5 is connected below the dust collector 4, the top of dust collector 4 is connected with fan 6, the bottom of drying box 3 is rotatably connected with driving rod 7, driving rod 7 is slidably connected with sleeve ring 8, sleeve ring 8 is vertically fixed with stirring rod 9 on one side, the top of driving rod 7 is fixed to the center of screen 10 on the top of drying box 3, the long strip-shaped sliding groove one is arranged on the side surface of driving rod 7, sleeve ring 8 is slidably connected in the sliding groove one, the other end of stirring rod 9 is rotatably connected with short cylinder, the short cylinder is limitingly and slidably connected in the sliding groove two on the inner wall surface of drying box 3, the sliding groove two is continuous sinusoidal, driving rod 7 rotates under the action of motor one 20, sleeve ring 8 rotates outside driving rod 7, sleeve ring 8 drives stirring rod 9 to rotate, because one end of stirring rod 9 is located in the sliding groove two, stirring rod 9 also reciprocatingly lifts and falls when rotating, which strengthens the stirring and stirring of the material, improves the diffusion of the material in drying box 3 and improves the drying efficiency.

[0027] As shown in the figure, Figures 1-3 A plurality of vertical rods 13 are fixed on stirring rod 9 at intervals, arc-shaped material lifting rods 14 are arranged on the bottom of vertical rods 13, the center of the circle corresponding to material lifting rods 14 is in the same direction as the rotating direction of driving rod 7, a concave annular groove is arranged on the bottom of the inner wall surface of drying box 3, a material receiving plate 15 is rotatably connected in the annular groove, the material receiving plate 15 is sleeved outside driving rod 7, a bevel gear one 16 is fixed on the center of material receiving plate 15, the bevel gear one 16 is externally meshed with a bevel gear two 17, the bevel gear two 17 is externally meshed with a bevel gear three 18 which is fixed on the bottom end of driving rod 7, the bevel gear three 18 on the bottom of driving rod 7 is externally meshed with bevel gear two 17, and the bevel gear two 17 is externally meshed with bevel gear one 16, so the rotating directions of bevel gear three 18 and bevel gear one 16 are opposite, that is, the rotating direction of material receiving plate 15 is opposite to the rotating direction of driving rod 7, so the rotating direction of material receiving plate 15 is opposite to the rotating direction of stirring rod 9, because the end of vertical rod 13 arranged on stirring rod 9 is provided with material lifting rod 14, the material on material receiving plate 15 is conveniently lifted, which further improves the diffusion of the material in drying box 3 and improves the drying efficiency.

[0028] As shown in the figure, Figures 1-3 A plurality of conical material distributing blocks 19 are arranged on the upper end surface of material receiving plate 15 at intervals.

[0029] As shown in the figure, Figures 1-3As shown, the top of the drive rod 7 is fixed with an arc-shaped brush rod 11, the brush rod 11 is attached to the outer side of the screen 10, the end of the stirring rod 9 near the inner wall of the drying box 3 is provided with a long strip-shaped brush rod 12, the screen 10 is in the form of a hemisphere, by setting the brush rod 11, the screen 10 can be cleaned while the drive rod 7 rotates, avoiding the screen 10 from being blocked, the brush rod 12 can also clean the inner wall of the drying box 3, avoiding sticking to the inner wall.

[0030] As shown in the figure, Figures 1-3 The drive rod 7 is coaxially fixedly connected with the output shaft of the motor 20, and the motor 20 is fixed to the bottom surface of the drying box 3.

[0031] Working principle of a flash dryer for iron phosphate:

[0032] The material falls onto the receiving plate 15 through the feed inlet of the drying box 3, when the material contacts the receiving plate 15, since the receiving plate 15 is constantly rotating, the material will bounce up after contact, impact the inner wall of the drying box 3 or impact the subsequent material again, the particle size of the material is constantly broken down and becomes smaller, at the same time, under the action of the hot air entering the drying box 3, the dried material becomes lighter and is blown away and constantly rises through the screen 10 to discharge, by setting multiple material distribution blocks 19 on the receiving plate 15, the overall surface of the receiving plate 15 is improved, the impact force of the material on the receiving plate 15 is increased, and the drying efficiency of the material is improved.

[0033] The drive rod 7 rotates under the action of the motor 20, the sleeve ring 8 sleeved outside the drive rod 7 rotates, the sleeve ring 8 drives the stirring rod 9 to rotate, since one end of the stirring rod 9 is located in the sliding groove 2, the stirring rod 9 also reciprocatingly rises and falls when rotating, the stirring of the material is strengthened, the diffusion of the material in the drying box 3 is improved, and the drying efficiency is improved.

[0034] The bevel gear 3 18 at the bottom of the drive rod 7 is engaged with the bevel gear 2 17 outside, and the bevel gear 2 17 is engaged with the bevel gear 1 16 outside, so the rotating directions of the bevel gear 3 18 and the bevel gear 1 16 are opposite, that is, the rotating direction of the receiving plate 15 is opposite to the rotating direction of the drive rod 7, so the rotating directions of the receiving plate 15 and the stirring rod 9 are opposite, since the end of the vertical rod 13 provided on the stirring rod 9 has a material picking rod 14, the material on the receiving plate 15 is conveniently picked up, the diffusion of the material in the drying box 3 is further improved, and the drying efficiency is improved.

Claims

1. A flash dryer for ferric phosphate, comprising a feeder (1), an air heater (2), a drying chamber (3), a dust collector (4), a hopper (5), and a fan (6), wherein the air heater (2) and the feeder (1) are symmetrically connected to opposite sides of the drying chamber (3), the top of the drying chamber (3) is connected to the dust collector (4), the bottom of the dust collector (4) is connected to the hopper (5), and the top of the dust collector (4) is connected to the fan (6), characterized in that: The bottom of the drying box (3) is rotatably connected to a drive rod (7), and a collar (8) is slidably connected to the drive rod (7). A stirring rod (9) is vertically fixed on one side of the collar (8), and the top of the drive rod (7) is fixed to the center of the screen (10) at the top of the drying box (3).

2. The flash dryer for ferric phosphate according to claim 1, characterized in that: The drive rod (7) has a long strip groove on one side, and a collar (8) is slidably connected in the groove. The other end of the stirring rod (9) is rotatably connected to a short cylinder, which is slidably connected to the inner wall of the drying oven (3) in a second groove.

3. The flash dryer for ferric phosphate according to claim 2, characterized in that: The second slide is in the form of a continuous sine wave.

4. A flash dryer for ferric phosphate according to claim 3, characterized in that: Several vertical rods (13) are fixed at intervals on the stirring rod (9). An arc-shaped material picking rod (14) is provided at the bottom of the vertical rod (13). The center of the material picking rod (14) is oriented in the same direction as the rotation of the drive rod (7).

5. A flash dryer for ferric phosphate according to claim 4, characterized in that: The bottom of the inner wall of the drying oven (3) is provided with a concave annular groove. A receiving plate (15) is rotatably connected in the annular groove. The receiving plate (15) is sleeved on the outside of the drive rod (7). A bevel gear one (16) is fixed at the center of the receiving plate (15). The bevel gear one (16) meshes with the bevel gear two (17). The bevel gear two (17) meshes with the bevel gear three (18) sleeved and fixed at the bottom of the drive rod (7).

6. A flash dryer for ferric phosphate according to claim 5, characterized in that: The upper surface of the receiving plate (15) is provided with several cone-shaped material distribution blocks (19) at intervals.

7. A flash dryer for ferric phosphate according to claim 6, characterized in that: The top of the drive rod (7) is fixed with an arc-shaped brush rod (11), which is attached to the outer side of the screen (10).

8. A flash dryer for ferric phosphate according to claim 7, characterized in that: A long strip-shaped brush rod (12) is provided at the end of the stirring rod (9) near the inner wall of the drying box (3).

9. A flash dryer for ferric phosphate according to claim 8, characterized in that: The screen (10) is hemispherical.

10. A flash dryer for ferric phosphate according to claim 9, characterized in that: The drive rod (7) is coaxially and fixedly connected to the output shaft of motor one (20), and motor one (20) is fixed to the bottom surface of the drying oven (3).

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