CN219735934U - Rotary flash dryer - Google Patents

Abstract

The utility model belongs to the technical field of flash evaporation dryers, and discloses a rotary flash evaporation dryer which comprises a hot air blower, a flash evaporation host, a cyclone separator, a bag-type dust remover and an induced draft fan which are sequentially communicated, and is characterized in that: the flash evaporation host comprises a host body, a classifying plate is arranged in the host body, meshes are arranged on the classifying plate, the outer side face of the classifying plate is rotationally and slidably connected with the side wall of the host body, an annular opening is formed in the outer side face of the host body, corresponding to the classifying plate, and a rotating mechanism for driving the classifying plate to rotate is arranged outside the host body. According to the scheme, the classifying plate is driven to rotate through the rotating mechanism, the classifying plate is rotated relative to the cleaning rod and the hard cleaning hairbrush, so that the hard cleaning hairbrush can continuously clean the surface of the classifying plate repeatedly, the classifying plate is effectively prevented from being blocked, the cleaning rod is vibrated through the vibrating mechanism, meshes of the classifying plate can be stamped from top to bottom through the hard cleaning hairbrush, and the anti-blocking effect is better achieved.

Description

Rotary flash dryer

Technical Field

The utility model relates to the technical field of dryers, in particular to a spin flash dryer.

Background

The spin flash dryer is a common drying device, and is mainly used for drying powdery, granular, block, pasty and other materials in different states. Hot air enters the stirring and crushing drying chamber from the bottom of the dryer through the inlet pipe at a proper spouting speed, so that strong shearing, collision and friction are generated on materials to be atomized, and the mass and heat transfer is enhanced, thereby achieving the aim of rapid drying. The drying mode has the advantages of high drying speed, high heat efficiency, full heat utilization and the like, and is widely applied to the industries of chemical industry, food, medicine and the like.

The spin flash dryer has the following problems in the use process: the material goes out the ejection of compact after cyclone, but the great material of unavoidable part particle diameter gets into the sack cleaner, and this part material just needs to collect again this moment and reload the bag after mixing operation with cyclone's ejection of compact again, therefore operation flow is comparatively complicated, leads to influencing production efficiency for energy-conserving effect is not good.

Therefore, people classify materials by additionally arranging a classifying plate in a flash evaporation host machine, so that the materials with small particle sizes pass through, the materials with large particle sizes continue to be micronized in the flash evaporation host machine, the classifying plate is easy to block, the efficiency of classified filtration is affected, in order to solve the problem of blocking the classifying plate, the surface of the classifying plate is generally cleaned by a rotating brush, but the mode is only to clean the surface, and once the meshes of the classifying plate are blocked, the blocking problem cannot be really solved.

Disclosure of Invention

The utility model aims to solve the defects in the prior art and provides a spin flash dryer.

In order to solve the problems, the utility model adopts the following technical scheme.

The rotary flash dryer comprises a hot air blower, a flash host, a cyclone separator, a bag-type dust remover and a draught fan which are communicated in sequence, and is characterized in that: the flash evaporation host comprises a host body, wherein a classifying plate is arranged in the host body, meshes are arranged on the classifying plate, the outer side surface of the classifying plate is rotationally and slidably connected with the side wall of the host body, an annular opening is formed in the outer side surface of the host body, corresponding to the classifying plate, and a rotating mechanism for driving the classifying plate to rotate is arranged outside the host body;

the bottom of classifying board is provided with the clearance pole, the top of clearance pole is provided with stereoplasm clearance brush, be provided with the vibration mechanism of drive clearance pole vibration in the organism.

As a further description of the above technical solution: the classifying plate is of a V-shaped net cover structure, and the section shape of the cleaning rod is consistent with that of the classifying plate.

As a further description of the above technical solution: the rotary mechanism comprises a supporting plate fixedly mounted on the outer side of the machine body, a rotary motor is fixedly mounted at the top of the supporting plate, an output shaft of the rotary motor is fixedly connected with a driving gear, one side of the driving gear is meshed with a toothed ring, the toothed ring is sleeved on the machine body, a plurality of connecting rods are fixedly connected to the inner side of the toothed ring, and the connecting rods penetrate through the annular opening and extend into the machine body to be fixedly connected with the grading plate.

As a further description of the above technical solution: the vibrating mechanism comprises two vertical rods fixedly connected with the left side and the right side of the bottom of the cleaning rod, two connecting blocks are fixedly connected to the bottoms of the vertical rods, vibrators are fixedly arranged at the bottoms of the connecting blocks, limiting blocks are arranged on the two vertical rods, and the limiting blocks are fixedly connected with the side walls of the machine body.

As a further description of the above technical solution: the outer side of the machine body is provided with a protective cover, the toothed ring is covered on the inner side of the machine body by the protective cover, and an opening for the driving gear to enter is formed in the protective cover.

As a further description of the above technical solution: and a vibrating spring is sleeved on the vertical rod and positioned between the limiting block and the connecting block.

As a further description of the above technical solution: the top of the limiting block is an inclined surface which inclines downwards.

Compared with the prior art, the utility model has the advantages that:

according to the scheme, the classifying plate is driven to rotate through the rotating mechanism, the classifying plate is rotated relative to the cleaning rod and the hard cleaning hairbrush, so that the hard cleaning hairbrush can continuously clean the surface of the classifying plate repeatedly, the classifying plate is effectively prevented from being blocked, the cleaning rod is vibrated through the vibrating mechanism, meshes of the classifying plate can be stamped from top to bottom through the hard cleaning hairbrush, and the anti-blocking effect is better achieved.

Drawings

FIG. 1 is a perspective view of the present utility model;

FIG. 2 is an enlarged view of a portion of the flash host of FIG. 1 in accordance with the present utility model;

FIG. 3 is a front cross-sectional view of FIG. 2 of the present utility model;

FIG. 4 is a schematic view of the construction of a cleaning rod of the present utility model;

fig. 5 is a top view of the connection of the classifying plate and the toothed ring in the present utility model.

The reference numerals in the figures illustrate:

1. an air heater; 2. a flash host; 21. a body; 22. a classifying plate; 23. an annular mouth; 24. a mesh; 3. a cyclone separator; 4. a bag-type dust collector; 5. an induced draft fan; 6. a rotation mechanism; 61. a support plate; 62. a rotating electric machine; 63. a drive gear; 64. a toothed ring; 65. a connecting rod; 7. cleaning a rod; 8. a hard cleaning brush; 9. a vibration mechanism; 91. a vertical rod; 92. a connecting block; 93. a vibrator; 94. a limiting block; 95. a vibration spring; 10. a protective cover; 11. an opening.

Detailed Description

The technical solutions in the embodiments of the present utility model will be clearly and completely described below with reference to the accompanying drawings in the embodiments of the present utility model; it is apparent that the described embodiments are only some embodiments of the present utility model, not all embodiments, and that all other embodiments obtained by persons of ordinary skill in the art without making creative efforts based on the embodiments in the present utility model are within the protection scope of the present utility model.

Referring to fig. 1-5, the spin flash dryer comprises a hot air blower 1, a flash host 2, a cyclone separator 3, a bag-type dust collector 4 and a draught fan 5 which are sequentially communicated, wherein the flash host 2 comprises a machine body 21, a classifying plate 22 is arranged in the machine body 21, a mesh 24 is arranged on the classifying plate 22, the outer side surface of the classifying plate 22 is rotationally and slidingly connected with the side wall of the machine body 21, an annular opening 23 is arranged on the outer side surface of the machine body 21 corresponding to the classifying plate 22, and a rotating mechanism 6 for driving the classifying plate 22 to rotate is arranged outside the machine body 21; the bottom of grading plate 22 is provided with clearance pole 7, and the top of clearance pole 7 is provided with stereoplasm clearance brush 8, is provided with the vibration mechanism 9 of drive clearance pole 7 vibration in the organism 21.

Above-mentioned structure is rotatory through rotary mechanism 6 drive classifying plate 22 for classifying plate 22 is rotatory relative clearance pole 7 and stereoplasm clearance brush 8, makes stereoplasm clearance brush 8 constantly clear up the surface of classifying plate 22, effectively prevents classifying plate 22 jam, and makes clearance pole 7 vibrate through vibrating mechanism 9, can make stereoplasm clearance brush 8 stab the mesh 24 of classifying plate 22 from top to bottom, plays anti-clogging's effect better.

Referring to fig. 3 and 5, the surface cleaning of the classifying plate 22 is specifically implemented, the rotating mechanism 6 includes a supporting plate 61 fixedly mounted on the outer side of the machine body 21, a rotating motor 62 is fixedly mounted on the top of the supporting plate 61, an output shaft of the rotating motor 62 is fixedly connected with a driving gear 63, one side of the driving gear 63 is meshed with a toothed ring 64, the toothed ring 64 is sleeved on the machine body 21, a plurality of connecting rods 65 are fixedly connected to the inner side of the toothed ring 64, and the connecting rods 65 extend into the machine body 21 through the annular opening 23 and are fixedly connected with the classifying plate 22.

The rotating mechanism 6 is powered on by a rotating motor 62 to drive a driving gear 63 to rotate, and the classifying plate 22 is also rotated by a toothed ring 64 and a connecting rod 65, so that the surface cleaning of the classifying plate 22 is realized, and the blockage of the mesh 24 is prevented.

Wherein, the outside of organism 21 is provided with protection casing 10, and protection casing 10 covers ring gear 64 in its inboard, has offered the opening 11 that supplies driving gear 63 to get into on the protection casing 10, keeps apart the protection through protection casing 10 to ring gear 64.

Referring to fig. 3, the vibration mechanism 9 includes two vertical rods 91 fixedly connected with the left and right sides of the bottom of the cleaning rod 7, a connecting block 92 fixedly connected with the bottom of the two vertical rods 91, a vibrator 93 fixedly mounted at the bottom of the connecting block 92, a limiting block 94 arranged on the two vertical rods 91, a side wall fixedly connected with the body 21 of the limiting block 94, and a vibration spring 95 sleeved on the vertical rod 91 and located between the limiting block 94 and the connecting block 92.

Through running vibrator 93, cooperation vibration spring 95 makes montant 91 drive clearance pole 7 up-and-down motion, and then makes in the stereoplasm clearance brush 8 constantly stab the mesh 24 of classifying plate 22 from top to bottom.

Wherein, the top of the limiting block 94 is an inclined surface with downward inclination, so as to prevent materials from accumulating on the limiting block 94.

In addition, referring to fig. 4, the classifying plate 22 has a V-shaped mesh cover structure, so that the real part and the mesh part of the classifying plate 22 form a slope surface to prevent material accumulation; the section shape of the cleaning rod 7 is consistent with that of the grading plate 22 so as to ensure the cleaning effect.

The above description is only of the preferred embodiments of the present utility model; the scope of the utility model is not limited in this respect. Any person skilled in the art, within the technical scope of the present disclosure, may apply to the present utility model, and the technical solution and the improvement thereof are all covered by the protection scope of the present utility model.

Claims (7)

1. Spin flash dryer, including air heater (1), flash host computer (2), cyclone (3), sack cleaner (4) and draught fan (5) that communicate in proper order, its characterized in that: the flash evaporation host machine (2) comprises a machine body (21), wherein a classifying plate (22) is arranged in the machine body (21), a mesh (24) is arranged on the classifying plate (22), the outer side surface of the classifying plate (22) is rotationally and slidingly connected with the side wall of the machine body (21), an annular opening (23) is formed in the outer side surface of the machine body (21) corresponding to the classifying plate (22), and a rotating mechanism (6) for driving the classifying plate (22) to rotate is arranged outside the machine body (21);

the cleaning machine is characterized in that a cleaning rod (7) is arranged at the bottom of the grading plate (22), a hard cleaning brush (8) is arranged at the top of the cleaning rod (7), and a vibrating mechanism (9) for driving the cleaning rod (7) to vibrate is arranged in the machine body (21).

2. The spin flash dryer of claim 1, wherein: the classifying plate (22) is of a V-shaped net cover-shaped structure, and the section shape of the cleaning rod (7) is consistent with that of the classifying plate (22).

3. The spin flash dryer of claim 1, wherein: the rotary mechanism (6) comprises a supporting plate (61) fixedly mounted on the outer side of the machine body (21), a rotary motor (62) is fixedly mounted at the top of the supporting plate (61), an output shaft of the rotary motor (62) is fixedly connected with a driving gear (63), one side of the driving gear (63) is meshed with a toothed ring (64), the toothed ring (64) is sleeved on the machine body (21), a plurality of connecting rods (65) are fixedly connected to the inner side of the toothed ring (64), and the connecting rods (65) penetrate through the annular opening (23) to extend into the machine body (21) and are fixedly connected with the grading plate (22).

4. The spin flash dryer of claim 1, wherein: the vibrating mechanism (9) comprises two vertical rods (91) fixedly connected with the left side and the right side of the bottom of the cleaning rod (7), two connecting blocks (92) are fixedly connected to the bottom of the vertical rods (91), vibrators (93) are fixedly arranged at the bottoms of the connecting blocks (92), limiting blocks (94) are arranged on the vertical rods (91), and the limiting blocks (94) are fixedly connected with the side walls of the machine body (21).

5. A spin flash dryer as in claim 3 wherein: the outer side of the machine body (21) is provided with a protective cover (10), the protective cover (10) covers the toothed ring (64) on the inner side of the machine body, and the protective cover (10) is provided with an opening (11) for the driving gear (63) to enter.

6. The spin flash dryer of claim 4 wherein: and a vibrating spring (95) is sleeved on the vertical rod (91) and positioned between the limiting block (94) and the connecting block (92).

7. The spin flash dryer of claim 4 wherein: the top of the limiting block (94) is an inclined surface which is inclined downwards.