CN216831756U - Plastic granules drier - Google Patents

Abstract

The utility model relates to the technical field of plastic particle processing equipment, and discloses a plastic particle drying machine. The upper part of one side is provided with a discharge pipe. Both the feed pipe and the discharge pipe are connected with the inside of the drying cylinder. The feeding pipe is provided with a feeding screw conveyor belt. The end of the feeding pipe away from the drying cylinder is fixed with a drive motor. , the drive motor is connected with one end of the feeding screw conveyor belt, the top of the feeding pipe is provided with a feeding hopper at the top of the side away from the drying cylinder, the bottom of the feeding hopper is connected with the interior of the feeding pipe, and the feeding pipe and the drying cylinder are connected The bottom of the water collecting tank is provided with a water collecting tank, the feeding pipe and the bottom wall of the drying cylinder are provided with several drainage holes, and the lower part of the side wall of the water collecting tank is connected with a water outlet pipe. The plastic particle spin-drying machine of the utility model can collect and recycle the water discharged from the spin-drying cylinder, and simultaneously carry out preliminary dehydration of the plastic particles in the feeding hopper to improve the dehydration and spin-drying effect.

Description

A plastic pellet dryer

technical field

The utility model relates to the technical field of plastic particle processing equipment, in particular to a plastic particle drying machine.

Background technique

At present, the plastic processing industry generally uses underwater pelletizers to produce plastic pellets. The molten material at high temperature passes through the die hole of the die head under the action of the screw extrusion pressure, and the extruded strip material is pressed against the die surface by the high-speed rotating cutter. It is cut into pellets, and the cutting knife of the cutting is close to the die surface. After the pellets are cut, they are thrown away from the cutter under the action of centrifugal force, and transported to the cooling water, and then transported together with the cooling water to the dehydration. Dehydration in a dryer allows water to separate from the pellets.

However, in the process of dehydrating and drying the plastic particles in the existing plastic particle drying machine, the water thrown out is directly discharged, resulting in a low utilization rate of water resources, and the dehydration effect of the drying machine on the plastic particles is not sufficient. After dehydration and drying, there are still water stains on the surface, which affects the storage of plastic particles.

Utility model content

The purpose of this utility model is to overcome the defects of the prior art, and to provide a plastic particle drying machine, which can collect and recycle the water discharged from the drying drum, and simultaneously carry out preliminary dehydration of the plastic particles in the feeding hopper, Improve the dehydration and drying effect of plastic particles.

The above-mentioned technical purpose of the present utility model is achieved through the following technical solutions: a plastic particle drying machine, comprising a drying cylinder, a drying mechanism is vertically arranged in the drying cylinder, and one side of the drying cylinder is The lower part of the drying cylinder is provided with a feeding pipe horizontally, and the upper part of the other side of the drying cylinder is provided with a discharging pipe, and the feeding pipe and the discharging pipe are both communicated with the inside of the drying cylinder. A feeding screw conveyor belt is coaxially arranged in the pipe, and a drive motor one is fixed at one end of the feed pipe away from the drying cylinder, and the output shaft of the drive motor one is drivingly connected to one end of the feed screw conveyor belt. , the top of the feeding pipe away from the drying cylinder is provided with a feeding hopper, the bottom of the feeding hopper is communicated with the interior of the feeding pipe, and the bottom of the feeding pipe and the drying cylinder is A water collecting tank is provided, and several drainage holes are opened on the feed pipe and the bottom wall of the drying cylinder. water pipe.

The utility model is further configured as follows: the upper part of the feeding hopper is provided with a sieve plate, and the outer wall of the feeding hopper is provided with a vibration motor, and the vibration motor is connected with the sieve plate and used to drive the sieve plate Vibration, the sieve plate is inclined downward, the top of the feed hopper is provided with a feeding port on the side close to the top of the sieve plate, and a drainage plate is inclined upward under the sieve plate, and the top of the drainage plate is provided with a feeding port. Below the bottom end of the sieve plate, there are gaps for plastic particles to pass between the bottom end of the sieve plate and the inner wall of the feeding hopper and between the top end of the guide plate and the inner wall of the feeding hopper. A drain pipe is communicated with a side of the side wall of the feeding hopper close to the bottom end of the guide plate.

The utility model is further configured as follows: the gap between the bottom end of the sieve plate and the inner wall of the feeding hopper is smaller than the gap between the top end of the guide plate and the inner wall of the feeding hopper.

The utility model is further configured as follows: a plurality of support rods are arranged below the top of the drainage plate, the support rods are arranged obliquely downward, one end of the support rod is fixedly connected to the lower surface of the drainage plate, and the other end is connected to the lower surface of the drainage plate. The inner wall of the feeding hopper is fixedly connected.

The utility model is further provided as follows: a material guide plate is arranged inside the feed hopper above the sieve plate, the material guide plate is inclined upward, and the bottom end of the material guide plate is located at the top of the sieve plate. Above, a gap is provided between the bottom end of the guide plate and the inner wall of the feeding hopper.

The utility model is further provided as follows: the drying mechanism comprises a filter cylinder and a discharge screw conveyor belt, the filter cylinder is cylindrical and is arranged coaxially with the drying cylinder, and a side wall of the filter cylinder is provided with an opening. There are several filter holes, the discharge screw conveyor belt is vertically arranged in the filter cylinder, and the top of the drying cylinder is provided with a driving mechanism, which is used to drive the discharge screw conveyor belt to rotate. , the feed pipe and the discharge pipe are both communicated with the inside of the filter cartridge.

The utility model is further provided as follows: the driving mechanism includes a second driving motor, a driving wheel and a driven wheel, the second driving motor is fixed on the outer wall of the drying drum, and the output shaft of the second driving motor is provided with a For the driving wheel, the top end of the discharge screw conveyor belt passes through the top of the drying drum and is provided with the driven wheel, and a belt is sleeved on the driving wheel and the driven wheel.

The beneficial effects of the present utility model are:

1. The plastic particle drying machine of the present utility model is provided with drainage holes at the bottom of the feeding pipe and the bottom of the drying cylinder, so that during the process of transporting the plastic particles in the feeding pipe, the cooling water will fall through the drainage holes due to its own gravity. It is collected in the water collecting tank. During the process of dehydrating and drying the plastic particles by the drying mechanism, the water thrown out falls into the water collecting tank through the drainage hole at the bottom of the drying cylinder. The cooling water collected in the water collecting tank is circulated and transported to the pelletizer for utilization, which improves the utilization rate of water resources.

2. By setting a sieve plate in the feeding hopper, the plastic particles flowing through the sieve plate vibrate at a small amplitude, which is conducive to the separation of the plastic particles and the cooling water, so that the cooling water falls to the drainage plate through the sieve holes on the sieve plate, The cooling water discharged from the drainage pipe can be recycled and transported to the pelletizer for reuse. The setting of the sieve plate and the drainage plate can preliminarily dehydrate the plastic particles, so that the plastic particles can be separated from the cooling water and avoid a large amount of water. The cooling water falls into the feed pipe.

Description of drawings

In order to illustrate the technical solutions in the embodiments of the present invention more clearly, the following briefly introduces the accompanying drawings used in the description of the embodiments. Obviously, the drawings in the following description are only some implementations of the present invention. For example, for those of ordinary skill in the art, other drawings can also be obtained based on these drawings without any creative effort.

Fig. 1 is the overall structure schematic diagram of a kind of plastic particle drying machine of the present utility model;

Figure 2 is a schematic cross-sectional view of a plastic particle drying machine of the present invention.

In the figure, 1, drying drum; 2, feeding pipe, 21, feeding screw conveyor; 3, discharging pipe; 4, driving motor one; 5, feeding hopper, 51, sieve plate, 52, vibration motor , 53, feed inlet, 54, drainage plate, 55, drain pipe, 56, support rod, 57, material guide plate; 6, drying mechanism, 61, filter cartridge, 62, discharge screw conveyor belt, 63, filter Hole; 7. Water collecting tank, 71, Outlet pipe; 8. Drainage hole; 9. Driving mechanism, 91, Driving motor II, 92, Driving wheel, 93, Driven wheel, 94, Belt.

Detailed ways

The technical solutions of the present invention will be clearly and completely described below with reference to specific embodiments. Obviously, the described embodiments are only some of the embodiments of the present invention, but not all of the embodiments. Based on the embodiments of the present invention, all other embodiments obtained by those of ordinary skill in the art without creative work fall within the protection scope of the present invention.

Referring to Figures 1 and 2, a plastic particle drying machine includes a drying cylinder 1, a drying mechanism 6 is vertically arranged in the drying cylinder 1, and a feed pipe 2 is laterally arranged on the lower part of one side of the drying cylinder 1 , the upper part of the other side of the drying cylinder 1 is provided with a discharge pipe 3, the feeding pipe 2 and the discharge pipe 3 are both communicated with the interior of the drying cylinder 1, and a feeding screw conveyor belt 21 is coaxially arranged in the feeding pipe 2. , the end of the feeding pipe 2 away from the drying drum 1 is fixed with a drive motor 4, the output shaft of the driving motor 4 is connected with one end of the feeding screw conveyor belt 21, and the feeding pipe 2 is away from the drying drum 1 side. The top is provided with a feeding hopper 5, the bottom of the feeding hopper 5 is communicated with the interior of the feeding pipe 2, the bottom of the feeding pipe 2 and the drying cylinder 1 is provided with a water collecting tank 7, and the bottom wall of the feeding pipe 2 and the drying cylinder 1 A number of drainage holes 8 are opened on the upper part, the drainage holes 8 communicate with the water collecting tank 7 , and the lower part of the side wall of the water collecting tank 7 is connected with a water outlet pipe 71 . When the plastic particle drying machine of the present invention is used to dehydrate the plastic particles, the plastic particles enter the feeding pipe 2 through the feeding hopper 5, and enter the drying cylinder under the conveying action of the feeding screw conveyor belt 21. In 1, the plastic particles are dehydrated and dried by the drying mechanism 6, and finally discharged by the discharge pipe 3. During the transportation of the plastic particles in the feeding pipe 2, the cooling water will pass through the drainage hole due to its own gravity. 8 falls into the water collecting tank 7 for collection. The diameter of the drainage hole 8 is smaller than the particle size of the plastic particles, so that the plastic particles can be smoothly transported into the drying cylinder 1; The water thrown out falls into the water collecting tank 7 through the drainage hole 8 at the bottom of the drying cylinder 1, and by setting a pumping pump at the water outlet pipe 71, the cooling water collected in the water collecting tank 7 can be circulated and transported to the pelletizer for utilization, improving the efficiency of the water collection. utilization of water resources.

Referring to FIG. 2, the upper part of the feeding hopper 5 is provided with a sieve plate 51, and the outer wall of the feeding hopper 5 is provided with a vibration motor 52. The vibration motor 52 is connected with the sieve plate 51 and is used to drive the sieve plate 51 to vibrate. The sieve plate 51 is inclined toward the The top of the feeding hopper 5 is provided with a feeding port 53 on the side close to the top of the sieve plate 51, and a drainage plate 54 is provided inclined upward under the sieve plate 51. The top of the drainage plate 54 is located below the bottom end of the sieve plate 51. There are gaps for plastic particles to pass between the bottom end of 51 and the inner wall of the feeding hopper 5 and between the top end of the guide plate 54 and the inner wall of the feeding hopper 5, and the side of the side wall of the feeding hopper 5 close to the bottom end of the guide plate 54 communicates with Drain pipe 55. By setting the sieve plate 51 in the feeding hopper 5, the vibration motor 52 drives the sieve plate 51 to vibrate, so that the plastic particles flowing through the sieve plate 51 vibrate in a small amplitude, which is beneficial to the separation of the plastic particles and the cooling water, so that the cooling water passes through the sieve plate. The sieve holes on 51 fall on the drainage plate 54, and the drainage pipe 55 flows out through the drainage plate 54. The cooling water discharged from the drainage pipe 55 can be recycled and transported to the pelletizer for reuse; the sieve plate 51 is inclined downward, which is conducive to plastic When the pellets are unloaded, the drainage plate 54 is inclined upward, which can drain the cooling water that falls on it, and is smoothly discharged through the drainage pipe 55 under the action of gravity. The setting of the sieve plate 51 and the diversion plate 54 can perform preliminary dehydration on the plastic particles, separate the plastic particles from the cooling water, and prevent a large amount of cooling water from falling into the feeding pipe 2 .

Specifically, the gap between the bottom end of the sieve plate 51 and the inner wall of the feeding hopper 5 is smaller than the gap between the top end of the guide plate 54 and the inner wall of the feeding hopper 5, which can ensure that the plastic particles can completely fall into the feeding pipe 2 and avoid plastic The particles fall onto the drainage plate 54 and are discharged from the drain pipe 55 to avoid waste of plastic particles. A number of support rods 56 are arranged below the top of the guide plate 54. The support rods 56 are inclined downward. One end of the support rod 56 is fixedly connected to the lower surface of the guide plate 54, and the other end is fixedly connected to the inner wall of the feed hopper 5. Setting, on the one hand, it can play a certain supporting role on the drainage plate 54, making the structure of the drainage plate 54 firmer, and on the other hand, it can play a certain role in dispersing the falling plastic particles, and the plastic particles are in the falling process. 56 collides, so that the agglomerated plastic particles can be dispersed, which is beneficial to improve the dehydration and drying effect of the plastic particles. The feeding hopper 5 above the sieve plate 51 is provided with a feeding plate 57. The feeding plate 57 is inclined upward. The bottom end of the feeding plate 57 is located above the top of the sieve plate 51. The bottom end of the feeding plate 57 is connected to the feeding hopper. 5. There is a gap between the inner walls. The setting of the guide plate 57 can guide the plastic particles to a certain extent, so that the plastic particles entering from the feeding port 53 can fall into the highest end of the sieve plate 51 and pass through the sieve plate 51. sufficient vibration to separate the plastic particles from the cooling water.

Referring to FIGS. 1 and 2 , the drying mechanism 6 includes a filter cartridge 61 and a discharge screw conveyor 62. The filter cartridge 61 is cylindrical and is coaxially arranged with the drying cylinder 1. The side wall of the filter cartridge 61 is provided with several The filter hole 63, the discharge screw conveyor belt 62 is vertically arranged in the filter cylinder 61, the top of the drying cylinder 1 is provided with a drive mechanism 9, and the drive mechanism 9 is used to drive the discharge screw conveyor belt 62 to rotate. The discharge pipes 3 are all communicated with the inside of the filter cylinder 61. The driving mechanism 9 includes a driving motor two 91, a driving wheel 92 and a driven wheel 93. The driving motor two 91 is fixed on the outer wall of the drying cylinder 1, and the output shaft of the driving motor two 91 is A driving wheel 92 is provided on the top, and the top end of the discharge screw conveyor belt 62 passes through the top of the drying drum 1 and is provided with a driven wheel 93 , and a belt 94 is sleeved on the driving wheel 92 and the driven wheel 93 . The second driving motor 91 is started, and the second driving motor 91 drives the driving wheel 92 to rotate. The driving wheel 92 drives the discharging screw conveyor belt 62 to rotate synchronously through the belt 94 and the driven wheel 93. The plastic particles are conveyed by the feeding screw conveyor belt 21. Entering the inside of the filter cartridge 61, the discharge screw conveyor belt 62 drives the plastic particles to move upward while rotating, and the water attached to the plastic particles is thrown out through the filter hole 63, and finally falls into the water collecting tank through the drainage hole 8 at the bottom of the drying cylinder 1 7, realize the drying and output of plastic particles.

Claims (7)

1. A plastic particle drying machine, characterized in that: comprising a drying cylinder (1), a drying mechanism (6) is vertically arranged in the drying cylinder (1), and the drying cylinder (1) The lower part of one side is provided with a feed pipe (2) horizontally, the upper part of the other side of the drying drum (1) is provided with a discharge pipe (3), the feed pipe (2) and the discharge pipe (3) Both are communicated with the inside of the drying drum (1), a feeding screw conveyor belt (21) is coaxially arranged in the feeding pipe (2), and the feeding pipe (2) is far away from the spinning One end of the drying cylinder (1) is fixed with a driving motor one (4), the output shaft of the driving motor one (4) is drivingly connected with one end of the feeding screw conveyor belt (21), and the feeding pipe (2) ) A feeding hopper (5) is provided at the top of the side away from the drying drum (1), the bottom of the feeding hopper (5) is communicated with the inside of the feeding pipe (2), and the feeding pipe ( 2) A water collecting tank (7) is provided at the bottom of the drying cylinder (1), and several drainage holes ( 8), the drainage hole (8) is communicated with the water collecting tank (7), and a water outlet pipe (71) is communicated with the lower part of the side wall of the water collecting tank (7). 2. The plastic particle drying machine according to claim 1, characterized in that: a sieve plate (51) is provided on the upper part of the feeding hopper (5), and a sieve plate (51) is provided on the outer wall of the feeding hopper (5). A vibration motor (52), the vibration motor (52) is connected with the sieve plate (51) and used to drive the sieve plate (51) to vibrate, the sieve plate (51) is inclined downward, and the feed A feeding port (53) is provided on the side of the top of the bucket (5) close to the top of the sieve plate (51), and a drainage plate (54) is provided obliquely upward from the bottom of the sieve plate (51). ) is located below the bottom end of the sieve plate (51), between the bottom end of the sieve plate (51) and the inner wall of the feeding hopper (5) and between the top of the guide plate (54) and the feeding A gap for plastic particles to pass through is provided between the inner walls of the hopper (5), and a drain pipe (55) is communicated with the side of the side wall of the feeding hopper (5) close to the bottom end of the guide plate (54). 3. The plastic particle drying machine according to claim 2, characterized in that: the gap between the bottom end of the sieve plate (51) and the inner wall of the feeding hopper (5) is smaller than the drainage plate (54) The gap between the top end and the inner wall of the feeding hopper (5). 4. The plastic particle drying machine according to claim 2, characterized in that: a plurality of support rods (56) are provided below the top of the guide plate (54), and the support rods (56) are arranged obliquely downward. One end of the support rod (56) is fixedly connected with the lower surface of the drainage plate (54), and the other end is fixedly connected with the inner wall of the feeding hopper (5). 5. The plastic particle drying machine according to claim 2, characterized in that: a material guide plate (57) is provided inside the feed hopper (5) above the sieve plate (51), and the material guide plate (57) The plate (57) is inclined upward, the bottom end of the guide plate (57) is located above the top end of the sieve plate (51), and the bottom end of the guide plate (57) is connected to the feeding hopper (5). A gap is provided between the inner walls. 6. The plastic particle drying machine according to any one of claims 1 to 5, characterized in that: the drying mechanism (6) comprises a filter cartridge (61) and a discharge screw conveyor belt (62), the The filter cartridge (61) has a cylindrical shape and is arranged coaxially with the drying cylinder (1). The discharging screw conveyor belt (62) is vertically arranged inside, and the top of the drying drum (1) is provided with a driving mechanism (9), which is used to drive the discharging screw conveying. The belt (62) rotates, and both the feed pipe (2) and the discharge pipe (3) communicate with the inside of the filter cartridge (61). 7. The plastic particle drying machine according to claim 6, wherein the driving mechanism (9) comprises a second driving motor (91), a driving wheel (92) and a driven wheel (93), and the driving motor The second (91) is fixed on the outer wall of the drying drum (1), the output shaft of the second (91) of the driving motor is provided with the driving wheel (92), and the discharging screw conveyor belt (62) The top end of the drying drum (1) passes through the top of the drying drum (1) and is provided with the driven wheel (93), and a belt (94) is sleeved on the driving wheel (92) and the driven wheel (93).

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