CN218864688U

CN218864688U - Flash evaporation dryer

Info

Publication number: CN218864688U
Application number: CN202223422588.9U
Authority: CN
Inventors: 袁志明; 朱文浩
Original assignee: Hubei Yuanhuan Industrial Investment Co ltd
Current assignee: Hubei Yuanhuan Industrial Investment Co ltd
Priority date: 2022-12-14
Filing date: 2022-12-14
Publication date: 2023-04-14
Anticipated expiration: 2032-12-14

Abstract

The utility model provides a flash evaporation dryer, including cylindric dryer, one side of dryer is equipped with the feed mechanism rather than the intercommunication, be connected with on the outer wall of dryer and be located the discharging pipe of feed mechanism top, still encircle on the dryer and be provided with and be located the gas distributor of feed mechanism below, the bottom is equipped with the broken mechanism of stirring in the dryer, the fixed base that is located its on-axis that is equipped with of bottom in the dryer, the broken mechanism setting of stirring is in the base top and with gas distributor height-alike, the side of base still is equipped with the jet-propelled subassembly that sets up towards the dryer diapire. The utility model discloses an effect of air current drives dry bobbin base portion material production motion effectively, prevents that dry bobbin base portion material from piling up.

Description

Flash evaporation dryer

Technical Field

The utility model relates to a continuous drying equipment technical field especially relates to a flash drying machine.

Background

The flash evaporation dryer is novel continuous drying equipment integrating drying, crushing and screening, is particularly suitable for drying cake-shaped, paste-shaped and slurry-shaped materials, and mainly comprises a heater, a feeder, a stirring and crushing system, a classifier, a drying cylinder, a fan and the like;

flash dryer's side sets up gas distributor, inside hot-air tangent line got into drying cylinder, and form powerful rotatory wind field under the agitator drives, and because the discharging pipe setting leans on the position at drying cylinder, hot-air produces and revolves to ascending motion, thereby carry the material motion to discharge, the air motion of bottom is slow in this in-process drying cylinder, after the bottom in drying cylinder is fallen to great material, be difficult to produce the motion along with the bottom air, thereby lead to drying cylinder bottom to accumulate the material easily, the material of accumulation is difficult for receiving dry crushing effect, also difficult discharge.

SUMMERY OF THE UTILITY MODEL

To the not enough that exists among the prior art, the utility model provides a flash drying machine, it can assist the interior bottom material motion of drying tube to prevent that the interior bottom material of drying tube from piling up.

According to the embodiment of the utility model, a flash distillation desiccator, including cylindric dryer section of thick bamboo, one side of dryer section of thick bamboo is equipped with the feed mechanism rather than the intercommunication, be connected with on the outer wall of dryer section of thick bamboo and be located the discharging pipe of feed mechanism top, still encircle on the dryer section of thick bamboo and be provided with and be located the gas distributor of feed mechanism below, the bottom is equipped with the broken mechanism of stirring in the dryer section of thick bamboo, the fixed base that is located its on-axis that is equipped with of bottom in the dryer section of thick bamboo, the broken mechanism setting of stirring is in the base top and with gas distributor height-alike, the side of base still is equipped with the jet-propelled subassembly that sets up towards the dryer bottom wall.

The technical principle of the utility model is that: in the flash dryer working process, the material is smashed under the effect of stirring crushing mechanism, and carry the rising after the hot air drying that rises by the rotation, discharge from the discharging pipe, in smashing the drying process when the material, some material drops to drying cylinder bottom and accumulates gradually along with the time, through starting jet assembly, because jet assembly sets up in base side and towards drying cylinder diapire, jet assembly produces high velocity air, can blow up the material on the diapire in the drying cylinder effectively, the material that blows up can receive the effect of stirring crushing pole once more, broken up effectively, thereby move along with the hot-air.

Preferably, the stirring and crushing mechanism comprises a rotating shaft, a stirring and crushing rod and a driving assembly, the rotating shaft is vertical and is coaxially arranged with the drying cylinder, the bottom end of the rotating shaft downwards penetrates through the base and is in transmission connection with the driving assembly, and the rotating shaft is in rotation connection with the base and is fixedly connected with the side face of the base.

Further preferably, the air injection assembly comprises an air injection base fixedly sleeved at the top of the base, an air nozzle arranged downwards is fixedly arranged at the bottom of the air injection base, an air conveying cavity is arranged in the base, one end of the air conveying cavity is connected with the air nozzle, and the other end of the air conveying cavity is connected with an air pump through a pipeline.

Further preferably, the air nozzles are provided in plurality, and the air nozzles surround the base and are uniformly distributed.

Further preferably, the rotating shaft is further connected with a scraping component which is positioned below the stirring and crushing rod and is close to the bottom wall of the drying cylinder.

Further preferably, the scraping component comprises a connecting rod fixedly connected with the rotating shaft and a scraping plate fixedly connected with the connecting rod, and the bottom edge of the scraping plate is close to the bottom wall of the drying cylinder.

Still further preferably, the scraper comprises a vertical plate at the upper part and an arc plate with the lower part tangentially connected with the vertical plate, and the bottom edge of the arc plate is close to the bottom wall of the drying cylinder.

Compared with the prior art, the utility model discloses following beneficial effect has: the base is fixedly arranged at the bottom of the drying cylinder, the air injection assembly facing the bottom wall of the drying cylinder is arranged on the side face of the base, the air injection assembly consists of an air nozzle, an air pump, an air conveying cavity and a pipeline, the air nozzle is connected with the air pump, the high-speed air flow facing the bottom wall of the drying cylinder is generated, the material at the bottom in the drying cylinder is blown up, and more materials are prevented from being accumulated at the bottom in the drying cylinder.

Drawings

Fig. 1 is the structure schematic diagram of the flash dryer of the present invention.

Fig. 2 is the utility model relates to a flash dryer drying cylinder internal structure schematic diagram.

Fig. 3 is a schematic view of an internal structure of a drying cylinder of a flash evaporation dryer according to another embodiment of the present invention.

Fig. 4 is a schematic perspective view of the scraping assembly of fig. 3 according to the present invention.

In the drawings, wherein: 1. a drying cylinder; 101. a base; 2. a feeding mechanism; 3. a discharge pipe; 4. a gas distributor; 5. a stirring and crushing mechanism; 501. a rotating shaft; 502. a stirring crushing rod; 503. a drive assembly; 6. a gas injection assembly; 601. an air injection base; 602. an air nozzle; 603. an air delivery cavity; 7. a scraping component; 701. a connecting rod; 702. a squeegee; 703. a vertical plate; 704. an arc plate.

Detailed Description

The technical solution of the present invention will be further explained with reference to the accompanying drawings and embodiments.

As shown in fig. 1 and 2, a flash evaporation dryer comprises a cylindrical drying cylinder 1, wherein a feeding mechanism 2 communicated with the drying cylinder 1 is arranged on one side of the drying cylinder 1, and the feeding mechanism 2 is a screw conveyor;

the outer wall of the drying cylinder 1 is connected with a discharge pipe 3 positioned above the feeding mechanism 2, the drying cylinder 1 is also provided with a gas distributor 4 positioned below the feeding mechanism 2 in a surrounding manner, the gas distributor 4 is of a volute structure, the outer side of the gas distributor is connected with a heater and a fan through pipelines, and the inner side of the gas distributor is communicated with the inside of the drying cylinder 1;

a stirring and crushing mechanism 5 is arranged at the bottom in the drying cylinder 1, and the discharge end of the screw conveyor extends to the position right above the stirring and crushing mechanism;

the bottom in the drying cylinder 1 is fixedly provided with a base 101 positioned on the axis, the stirring and crushing mechanism 5 is arranged above the base 101 and has the same height as the gas distributor 4, hot air entering the drying cylinder 1 from the gas distributor 4 is driven by the stirring and crushing mechanism 5 to form a powerful rotating wind field, and the side surface of the base 101 is also provided with a gas injection assembly 6 arranged towards the bottom wall of the drying cylinder 1;

in the drying process, materials at the outlet end of the screw conveyor fall down and are dispersed through the crushing action of the stirring crushing mechanism 5 and dried under the action of the rotating hot air, the dispersed and dried materials are lifted and discharged along with the hot air, in the dispersing process, part of the materials including the undispersed materials fall on the bottom in the drying cylinder 1, a high-speed airflow facing the bottom wall of the drying cylinder 1 is generated by starting the air injection assembly 6, the airflow impacts the materials on the bottom wall of the drying cylinder 1 and blows the materials, so that the materials at the bottom in the drying cylinder 1 move upwards and are subjected to the actions of the stirring crushing mechanism 5 and the rotating hot air again, and the materials are dried and discharged conveniently;

specifically, the stirring and crushing mechanism 5 comprises a rotating shaft 501, a stirring and crushing rod 502 and a driving assembly 503, the rotating shaft 501 is vertical and is arranged coaxially with the drying cylinder 1, the bottom end of the rotating shaft 501 downwards penetrates through the base 101 and is in transmission connection with the driving assembly 503, the driving assembly 503 is a servo motor, an output shaft of the servo motor is coaxially and fixedly connected with the bottom end of the rotating shaft 501 through a coupler, the rotating shaft 501 is rotatably connected with the base 101 through a rotating bearing, and the stirring and crushing rod 502 is fixedly connected to the side surface of the rotating shaft 501;

the stirring and crushing rods 502 are arranged along the radial direction of the rotating shaft 501, and are provided with a plurality of groups, the plurality of groups of stirring and crushing rods 502 are vertically distributed at equal intervals, each group of stirring and crushing rods 502 is provided with a plurality of groups, and the plurality of stirring and crushing rods 502 in the same group are uniformly distributed along the circumferential direction of the rotating shaft 501;

specifically, the air injection assembly 6 comprises an air injection base 601 fixedly sleeved at the top of the base 101, an air injection nozzle 602 arranged downwards is fixedly arranged at the bottom of the air injection base 601, an air delivery cavity 603 is arranged in the base 101, one end of the air delivery cavity 603 is connected with the air injection nozzle 602, the other end of the air delivery cavity is connected with an air pump through a pipeline, the air pump is a servo electric air pump or a pulse air pump, and can generate high-speed or pulse air flow to effectively drive the material at the bottom in the drying cylinder 1 to move;

in order to improve the material of bottom in the air current of air nozzle 602 can evenly drive drying cylinder 1 effectively, it is specific, air nozzle 602 is equipped with a plurality ofly, and a plurality ofly air nozzle 602 encircles base 101 evenly distributed, all regions of the air current scope that a plurality of air nozzles 602 produced cover drying cylinder 1 diapire.

As shown in fig. 3 and 4, according to another embodiment of the present invention, a material scraping assembly 7 disposed below the stirring and crushing rod 502 and close to the bottom wall of the drying cylinder 1 is further connected to the rotating shaft 501 of the flash evaporation dryer, so as to further drive the material on the bottom wall of the drying cylinder 1 to move;

specifically, the scraping component 7 includes a connecting rod 701 fixedly connected with the rotating shaft 501, and a scraping plate 702 fixedly connected with the connecting rod 701, and a bottom edge of the scraping plate 702 is close to a bottom wall of the drying cylinder 1;

when the rotating shaft 501 rotates, the scraper 702 is driven to rotate, the scraper 702 scrapes materials on the bottom wall of the drying cylinder 1 and uniformly disperses the materials on the bottom wall, and the uniformly dispersed materials can move along with airflow more easily under the action of airflow of the air nozzle 602, so that the materials can rise along with the airflow more conveniently, and the materials are prevented from being accumulated at the bottom;

in order to facilitate the upward movement of the material, the scraping plate 702 comprises an upper vertical plate 703 and a lower arc plate 704 connected with the vertical plate 703 in a tangential manner, and the bottom edge of the arc plate 704 is close to the bottom wall of the drying cylinder 1;

the detailed working process of this embodiment is when pivot 501 is rotatory, the material of 1 bottom of drying cylinder is at first scraped by arc board 704, scraper blade 702 is along with pivot 501 fast revolution, the material of scraping produces centrifugal motion on arc board 704, thereby move to riser 703 along arc board 704, and under the inertial action, upward movement along riser 703, thereby make the material of 1 bottom of drying cylinder leave 1 diapire of drying cylinder, move to the height of stirring crushing pole 502 effect, receive the dispersion drying effect after, carry the discharge by rotatory hot-air, reduce the bottom material and pile up.

Finally, although the present invention has been described in detail with reference to the preferred embodiments, it should be understood by those skilled in the art that the present invention can be modified or replaced by other means without departing from the spirit and scope of the present invention, which should be construed as limited only by the appended claims.

Claims

1. The utility model provides a flash evaporation desiccator, includes cylindric dryer (1), one side of dryer (1) is equipped with feed mechanism (2) rather than the intercommunication, be connected with on the outer wall of dryer (1) and be located discharging pipe (3) of feed mechanism (2) top, still encircle on dryer (1) and be provided with and be located gas distributor (4) of feed mechanism (2) below, the bottom is equipped with stirring crushing mechanism (5), its characterized in that in dryer (1): the bottom is fixed to be equipped with base (101) that is located its on-axis in drying cylinder (1), stirring crushing mechanism (5) set up base (101) top and with gas distributor (4) height is the same, the side of base (101) still is equipped with the orientation air injection subassembly (6) that drying cylinder (1) diapire set up.

2. A flash dryer as claimed in claim 1, wherein: stirring crushing mechanism (5) are including pivot (501), stirring crushing pole (502) and drive assembly (503), pivot (501) vertical and with drying cylinder (1) coaxial setting, the bottom of pivot (501) is run through downwards base (101) and with drive assembly (503) transmission is connected, pivot (501) with base (101) rotate to be connected and its side fixedly connected with stirring crushing pole (502).

3. A flash dryer as claimed in claim 2, wherein: jet-propelled subassembly (6) establish including fixed cover jet-propelled base (601) at base (101) top, the fixed air nozzle (602) that sets up down that is equipped with in bottom of jet-propelled base (601), be equipped with air transmission chamber (603) in base (101), the one end of air transmission chamber (603) with air nozzle (602) are connected, and its other end has the air pump through the pipe connection.

4. A flash dryer as claimed in claim 3, wherein: air nozzle (602) are equipped with a plurality ofly, and a plurality of air nozzle (602) encircle base (101) evenly distributed.

5. A flash dryer according to any one of claims 2-4, wherein: the rotating shaft (501) is further connected with a scraping component (7) which is located below the stirring and crushing rod (502) and close to the bottom wall of the drying cylinder (1).

6. A flash dryer as claimed in claim 5, wherein: the scraping component (7) comprises a connecting rod (701) fixedly connected with the rotating shaft (501) and a scraping plate (702) fixedly connected with the connecting rod (701), and the bottom edge of the scraping plate (702) is close to the bottom wall of the drying cylinder (1).

7. A flash dryer as claimed in claim 6, wherein: the scraper (702) comprises a vertical plate (703) at the upper part and an arc plate (704) at the lower part which is tangentially connected with the vertical plate (703), and the bottom edge of the arc plate (704) is close to the bottom wall of the drying cylinder (1).