CN207456119U - Drying unit - Google Patents

Abstract

A drying device, the upper end of the rotating shaft is fitted with a first pulley, the lower end of the Xuan shaft is fixedly connected to the rotation center of the disc; the output shaft of the geared motor is fitted with a second pulley, and the first and second pulleys are connected by a belt ;The disk is provided with strip holes; the hot air distribution unit includes an outer closed pipeline, an inner closed pipeline and an air inlet pipeline, and the air inlet pipeline is connected to the upper end of the bellows; the inner closed pipeline and the outer closed pipeline The lower part of the road is evenly fixed and connected with multiple exhaust pipes, and there are multiple air outlets all over the pipe wall of the exhaust pipe; the spiral pipe is spirally coiled around the multiple exhaust pipes Externally, the spiral pipeline communicates with the upper end of the bellows; the pipe wall of the spiral pipeline is provided with a plurality of outlet holes 2; the bellows is vertically arranged, and a heating resistance wire is arranged inside the bellows along its height direction, and the heating resistance wire and Power connection; the air outlet of the fan is connected to the bellows through the pipeline. The device effectively improves drying efficiency.

Description

drying device

technical field

The utility model relates to a drying device.

Background technique

In order to improve the quality of plastic products, their raw materials are generally processed into plastic particles. Loose plastic particles are susceptible to moisture when exposed to air. The chemical properties of plastic products made of damp plastic raw materials will be significantly reduced, which will affect the quality of the product. Therefore, loose plastic particles need to be dried before being processed into plastic products. The common method is to use a heat dissipation fan to pass the heat of the heater through The pipe feeds directly into a pile of loose material where it is dried. This method is very inconvenient to operate, and the drying efficiency of the particles is low. In addition, the particles tend to be heated unevenly.

Contents of the invention

Aiming at the problems existing in the above-mentioned prior art, the utility model provides a drying device, which can make the particles to be dried more evenly heated, can effectively improve the drying efficiency, and can facilitate the drying operation of the plastic particles. .

In order to achieve the above purpose, the utility model provides a drying device, which includes a frame, a cylindrical material tank fixed on the upper part of the frame, a rotating shaft, a bushing set in the middle of the rotating shaft, a geared motor, and a horizontally arranged The hot air distribution unit, spiral pipeline and fan, the upper end of the material tank is open, the lower end of the material tank is connected with a discharge pipeline, the discharge pipeline is provided with a gate to control its on-off, the The two sides of the shaft sleeve are fixedly connected with the inner side wall of the upper end of the material tank through two beams, the upper end of the rotating shaft is fixedly fitted with a first pulley, and the lower end of the rotating shaft is fixedly connected to the rotation center of the disc; the geared motor is fixed on a On the upper part of the beam, the output shaft of the deceleration motor is fixed with a second pulley, and the first pulley and the second pulley are connected by a belt; the disc is provided with a strip hole, and the strip hole extends from the center of the circle to the outer edge ;The hot air distribution unit is located under the disc, which includes an outer closed pipeline, an inner closed pipeline and an air inlet pipeline, and the inner closed pipeline communicates with the outer closed pipeline through two connecting pipelines on both sides , one end of the air inlet pipeline communicates with the closed pipeline of the outer ring, and the other end passes through the material tank and is connected to the upper end of the bellows; A plurality of vertically arranged exhaust pipelines communicating with its inner cavity, the lower end of the exhaust pipeline extends to the bottom of the material tank, and a plurality of air outlet holes are arranged all over the wall of the exhaust pipeline; The outer ring closed pipeline is fixedly connected with the upper part of the material tank through a plurality of connecting rods on its outer edge; The inner side wall of the lower part of the tank is fixedly connected, and its upper end is connected with the upper end of the bellows after the upper part of the material tank passes through the material tank; the pipe wall of the spiral pipeline is provided with a plurality of air outlet holes 2; the bellows is vertically arranged A heating resistance wire is arranged inside the bellows along its height direction, and the heating resistance wire is connected to a power supply; the air outlet of the fan is connected to the lower end of the bellows through a pipeline.

As a preference, the lower end of the material tank is an inverted truncated cone; the bellows is fixedly connected to the frame.

Further, in order to improve the effect of uniform feeding, the width of the strip-shaped holes gradually increases from the center to the edge of the disk.

Further, in order to prevent the plastic particles entering the disk from falling from the edge of the disk, an annular baffle is fixedly connected to the outer edge of the disk.

In the utility model, a plurality of exhaust pipelines are evenly distributed in the material tank, and a spiral pipeline is arranged outside the multiple exhaust pipelines, so that the exhaust pipeline and the spiral pipe can be evenly arranged in the material tank space The road can facilitate the rapid drying of plastic particles, and can also avoid local overheating during the drying process of plastic particles. When in use, after the particles to be dried are piled up in the material tank, the air source is supplied to the bellows through the fan, and the resistance wire in the bellows is energized to heat the air source, and the heated hot air is supplied to the hot air respectively through the air inlet pipeline. The distribution unit and the spiral pipeline, the hot air in the hot air distribution unit is further supplied to multiple exhaust air pipelines, and the hot air in the exhaust air pipeline dries the plastic particles through the air outlet holes on the surface - the outer row. The hot air is discharged through the air outlet holes on the surface to dry the plastic particles. The deceleration motor drives the disc to rotate through the rotating shaft, so that the material transported to the upper surface of the disc by the external conveyor can be evenly sprinkled into the tank space, and then the plastic particles can be evenly distributed between the exhaust pipe and the spiral pipe. to facilitate subsequent drying operations. The device can make the particles to be dried more evenly heated, can effectively improve the drying efficiency, and can facilitate the drying operation of the plastic particles.

Description of drawings

Fig. 1 is a structural representation of the utility model;

Fig. 2 is a schematic diagram of the connection structure of the drum through the support rod and the rotating shaft in the utility model;

Fig. 3 is a schematic diagram of the structure of a strip hole.

In the figure: 1. Rack, 2. Material tank, 3. Discharge pipeline, 4. Gate, 5. Rotating shaft, 6. Shaft sleeve, 7. Geared motor, 8. Hot air distribution unit, 9. Spiral pipeline , 10, fan, 11, beam, 12, first pulley, 13, disc, 14, strip hole, 15, outer ring closed pipeline, 16, inner ring closed pipeline, 17, air inlet pipeline, 18 , connecting pipeline, 19, air outlet one, 20, connecting rod, 21, air outlet two, 22, heating resistance wire, 23, bellows, 24, annular baffle, 25, second pulley, 26, belt, 27, Exhaust duct.

Detailed ways

The utility model will be further described below.

As shown in Figures 1 and 2, a drying device includes a frame 1, a cylindrical material tank 2 fixed on the upper part of the frame 1, a rotating shaft 5, and a shaft sleeve 6 sleeved in the middle of the rotating shaft 5 , geared motor 7, hot air distribution unit 8, spiral pipeline 9 and blower fan 10 arranged horizontally, the upper end opening of described material tank 2, the lower end of described material tank 2 is connected with discharge pipeline 3, and described discharge pipe The gate 4 is set on the road 3 to control its on-off, the two sides of the shaft sleeve 6 are fixedly connected with the inner side wall of the upper end of the material tank 2 through two beams 11, and the upper end of the rotating shaft 5 is fixedly set with a first pulley 12. The lower end of the rotating shaft 5 is fixedly connected to the rotation center of the disc 13; the geared motor 7 is fixed on the top of a beam 11, and the output shaft of the geared motor 7 is fixedly fitted with the second pulley 25, the first pulley 12 and the second pulley. The two pulleys 25 are connected by a belt 26; the disc 13 is provided with a bar-shaped hole 14, and the bar-shaped hole 14 extends from its center to the outer edge; the hot air distribution unit 8 is located below the disc 13, which includes an outer ring closed tube Road 15, the inner closed pipeline 16 and the air inlet pipeline 17, the inner closed pipeline 16 communicates with the outer closed pipeline 15 through two communication pipelines 18 on both sides thereof, the air inlet pipeline 17 One end is in communication with the closed pipeline 15 of the outer ring, and the other end is connected to the upper end of the bellows 23 after passing through the discharge tank 2; A vertically arranged exhaust pipeline 27 connected to the inner cavity, the lower end of the exhaust pipeline 27 extends to the bottom of the material tank 2, and a plurality of air outlet holes-19 are distributed all over the wall of the exhaust pipeline 27 The closed pipeline 15 of the outer ring is fixedly connected to the upper part of the tank 2 through a plurality of connecting rods 20 on its outer edge; the spiral pipeline 9 is spirally coiled outside a plurality of exhaust pipelines 27, The lower end of the spiral pipeline 9 is fixedly connected to the inner side wall of the bottom of the material tank 2, and its upper end is communicated with the upper end of the bellows 23 after the upper part of the material tank 2 passes through the material tank 2; A plurality of air outlet holes 21; the bellows 23 is vertically arranged, and the inside of the bellows 23 is provided with a heating resistance wire 22 along its height direction, and the heating resistance wire 22 is connected to a power supply; the air outlet of the fan 10 passes through a pipeline Connect with the lower end of bellows 23.

As a preference, the lower end of the material tank 2 is an inverted truncated cone; the bellows 23 is fixedly connected to the frame 1 .

In order to improve the effect of uniform feeding, the width of the strip-shaped hole 14 gradually increases from the center to the edge of the disk 13 .

In order to prevent the plastic particles entering the disc 13 from falling from the edge of the disc 13, an annular baffle 24 is fixedly connected to the outer edge of the disc 13.

A plurality of exhaust pipelines 27 are evenly distributed in the material tank 2, and a spiral pipeline 9 is arranged outside the plurality of exhaust pipelines 27, so that the exhaust pipeline 27 can be evenly arranged in the space of the material tank 2 and the spiral pipeline 9, thereby facilitating the rapid drying of the plastic particles, and also avoiding the occurrence of local overheating during the drying process of the plastic particles. When in use, after the particles to be dried are piled up in the material tank 2, the air source is supplied to the air box 23 by the blower fan 10, and the heating resistance wire 22 in the air box 23 is energized to heat the air source, and the heated hot air is respectively supplied to The hot blast distribution unit 8 and the spiral pipeline 9, the hot blast in the hot blast distribution unit 8 is further supplied to a plurality of exhaust air pipelines 27, and the hot blast in the exhaust air pipeline 27 is discharged through the air outlet hole-19 on its surface to carry out plastic particles Drying, the hot air in the spiral pipeline 9 is discharged through the air outlet 2 21 on its surface to dry the plastic particles. The reduction motor 7 drives the disc 13 to rotate through the rotating shaft 5, so that the material transported to the upper surface of the disc 13 by the external conveyor can be evenly sprinkled into the space of the material tank 2, and then the plastic particles can be evenly distributed in the exhaust pipeline 27 and the spiral pipeline 9, to facilitate subsequent drying operations. The device can make the particles to be dried more evenly heated, can effectively improve the drying efficiency, and can facilitate the drying operation of the plastic particles. The upper end of the material tank 2 is open, and the water vapor generated during the drying process is discharged through the upper end of the material tank 2. Certainly, the body of the material tank 2 can also be provided with some air outlet holes 3 all over the place, so that the water vapor generated during the drying process can pass through the air outlet holes. Three outer rows. After the drying operation is finished, the shutter 4 is opened to allow the plastic particles to be discharged through the discharge pipeline 3 .

Claims (4)

1. a drying device, comprising a frame (1), a cylindrical material tank (2) that is fixedly arranged on the top of the frame (1), the upper end of the material tank (2) is open, and the material tank The lower end of (2) is connected with a discharge pipeline (3), and the discharge pipeline (3) is provided with a flashboard (4) to control its on-off, which is characterized in that it also includes a rotating shaft (5), a sleeve The shaft sleeve (6), geared motor (7), horizontally arranged hot air distribution unit (8), spiral pipeline (9) and fan (10) arranged in the middle of the rotating shaft (5), the shaft sleeve (6) The two sides of two beams (11) are fixedly connected with the inner wall of the upper end of the material tank (2), the upper end of the rotating shaft (5) is fixedly fitted with a first pulley (12), and the lower end of the shaft (5) is fixedly connected At the center of rotation of the disk (13); the geared motor (7) is fixed on a beam (11) top, and the output shaft of the geared motor (7) is fixedly fitted with a second pulley (25), and the first pulley ( 12) and the second pulley (25) are connected by a belt (26); the disc (13) is provided with a strip hole (14), and the strip hole (14) extends from its center to the outer edge; The hot air distribution unit (8) is located under the disk (13), and it includes an outer closed pipeline (15), an inner closed pipeline (16) and an air inlet pipeline (17), and the inner closed pipeline (16) The two connecting pipes (18) on both sides communicate with the closed pipe (15) of the outer ring, one end of the air inlet pipe (17) communicates with the closed pipe (15) of the outer ring, and the other end passes through The discharge tank (2) is connected to the upper end of the bellows (23); the lower part of the inner closed pipeline (16) and the lower part of the outer closed pipeline (15) are evenly fixedly connected with a plurality of vertical pipes communicating with the inner cavity. The set exhaust pipeline (27), the lower end of the exhaust pipeline (27) extends to the bottom of the material tank (2), and the pipe wall of the exhaust pipeline (27) is provided with a plurality of air outlets all over the place One (19); the outer ring closed pipeline (15) is fixedly connected to the upper part of the material tank (2) through a plurality of connecting rods (20) on its outer edge; The spiral pipeline (9) is spirally coiled on the outside of multiple exhaust pipelines (27), the lower end of the spiral pipeline (9) is fixedly connected to the inner side wall of the bottom of the material tank (2), and its upper end is formed by The upper part of the material tank (2) passes through the material tank (2) and communicates with the upper end of the bellows (23); the pipe wall of the spiral pipeline (9) is provided with multiple air outlet holes (21) all over the place; The bellows (23) is vertically arranged, and the inside of the bellows (23) is provided with a heating resistance wire (22) along its height direction, and the heating resistance wire (22) is connected to a power supply; The air outlet of the fan (10) is connected with the lower end of the wind box (23) through a pipeline. 2. A drying device according to claim 1, characterized in that, the lower end of the material tank (2) is an inverted truncated cone; the bellows (23) is fixedly connected to the frame (1). 3. A drying device according to claim 1 or 2, characterized in that the width of the strip-shaped hole (14) gradually increases from the center to the edge of the disk (13). 4. A drying device according to claim 3, characterized in that, an annular baffle (24) is fixedly connected to the outer edge of the disc (13).