CN221089628U

CN221089628U - Plastic granules drying equipment

Info

Publication number: CN221089628U
Application number: CN202322865695.7U
Authority: CN
Inventors: 请求不公布姓名
Original assignee: Individual
Current assignee: Individual
Filing date: 2023-10-24
Publication date: 2024-06-07
Anticipated expiration: 2033-10-24

Abstract

The utility model discloses plastic particle drying equipment which comprises a storage hopper, a drying device, a first collecting hopper and a negative pressure generator, wherein an inner cavity of the drying device is a drying cavity; the drying cavity is provided with a discharging channel in a communicated manner, and the discharging channel is communicated with an air exhaust end of the negative pressure generator so as to drive dried plastic particles to be discharged through the discharging channel. The utility model ensures that the plastic particles are fully dehumidified, and improves the working efficiency of the drying equipment.

Description

Plastic granules drying equipment

Technical Field

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

Background

Along with the rapid development of the plastic industry, plastic products form an indispensable part of our life, in the production and processing of plastic materials, the plastic particles of raw materials often need to be dried, the existing drying equipment generally uses a manual feeding mode to pour the plastic particles into a storage hopper, and the plastic particles are extracted through a negative pressure pump, so that the plastic particles are transported into a dryer for drying. For example, the utility model patent with publication number CN206335737U discloses a device for continuously and directly feeding plastic particle raw materials for a vacuum drying device, a discharge hole at the lower end of a storage hopper is communicated with one end of a conveying pipe through a connecting flange, the other end of the conveying pipe is connected with the top of a drying tank, a first pneumatic butterfly valve is arranged at the joint of the connecting flange and the storage hopper, an air inlet pipe which is vertically arranged is arranged on the conveying pipe, a second pneumatic butterfly valve is arranged on the conveying pipe which is close to the drying tank, the top of the drying tank is connected with an exhaust fan through an exhaust pipe, a third pneumatic butterfly valve is arranged on the exhaust pipe, the first pneumatic butterfly valve, the second pneumatic butterfly valve, the third pneumatic butterfly valve and the exhaust fan are electrically connected with a PLC controller, and the PLC controller is electrically connected with a man-machine interaction interface.

However, when the existing drying equipment is used, in the process of conveying plastic particles in the storage hopper into the drying tank, the plastic particles in the communicating part between the conveying pipe and the drying tank are more and are easy to accumulate together, so that the accumulated plastic particles are difficult to enter the drying tank, and are difficult to sufficiently dehumidify, and the working efficiency of the drying equipment is reduced.

Disclosure of utility model

The utility model aims to solve the defects of the technology, and designs the plastic particle drying equipment, so that plastic particles are sufficiently dehumidified, and the working efficiency of the drying equipment is improved.

In order to solve the technical problems, the technical scheme of the utility model is as follows: the utility model provides a plastic granules drying equipment, includes storage hopper, drying device, first collecting hopper and negative pressure generator, drying device's inner chamber is the drying chamber, first collecting hopper set up in drying device's upper portion and with the drying chamber is linked together, the storage hopper with be provided with first lifting tube in the intercommunication between the first collecting hopper, negative pressure generator's pumping end with be provided with first exhaust tube in the intercommunication between the first collecting hopper, first collecting hopper's inner chamber is provided with first filtration, first filtration covers the opening of first exhaust tube and link up there is a plurality of first through-holes;

The drying cavity is provided with a discharging channel in a communicating manner, and the discharging channel is communicated with the air exhaust end of the negative pressure generator so as to drive the dried plastic particles to be discharged through the discharging channel.

Preferably, the drying device further comprises a second collecting hopper, wherein the bottom of the drying cavity comprises a discharging cavity, a second lifting pipe is arranged between the second collecting hopper and the discharging cavity in a communicating manner, and the second collecting hopper, the discharging cavity and the second lifting pipe are communicated to form a discharging channel;

And a second exhaust pipe is communicated between the second collecting hopper and the exhaust end of the negative pressure generator.

Preferably, a second filtering baffle is arranged in the inner cavity of the second collecting hopper, and covers the opening of the second exhaust pipe and is penetrated by a plurality of second through holes.

Preferably, the first collecting hopper and the second collecting hopper are both covered with sealing covers, the sealing covers are provided with interface pipes, and the two interface pipes are respectively sleeved and matched with the first exhaust pipe and the second exhaust pipe.

Preferably, the bottom of the second collecting hopper is provided with a discharging pipe in a communicating manner, and the discharging pipe is provided with a first switch valve for controlling the on-off of the inside of the discharging pipe.

Preferably, the bottom of the first collecting hopper is provided with a feeding pipe in a communicating manner, and the feeding pipe is provided with a second switch valve for controlling the on-off of the inside of the feeding pipe.

Preferably, the drying device further comprises a frame, wherein the storage hopper, the drying device and the negative pressure generator are arranged on the frame, and the storage hopper is positioned below the first collecting hopper.

Preferably, the rack is provided with a controller, the negative pressure generator is an air pump, the negative pressure generator is provided with an exhaust pipe in a communicating manner, and the negative pressure generator is connected with the controller and controlled by the controller.

Compared with the prior art, the utility model has the beneficial effects that:

According to the utility model, the negative pressure generator is started, so that the first exhaust pipe and the discharging channel respectively carry out vacuum suction operation on the inner cavity of the first collecting hopper and the drying cavity, continuous flowing air is formed, the inner cavity of the first collecting hopper forms a negative pressure environment to drive plastic particles in the storage hopper to fall into the inner cavity of the first collecting hopper through the first exhaust pipe, the first filtering structure is used for preventing the plastic particles from entering the first exhaust pipe, the plastic particles are ensured to be smoothly extracted into the first collecting hopper, moisture on the surfaces of the plastic particles is discharged along with the flowing air through the first through holes, the drying cavity communicated with the discharging channel forms a negative pressure environment to drive the plastic particles in the first collecting hopper to fall into the drying cavity, and water on the surfaces of the plastic particles in the drying cavity is taken away by the flowing air, so that the plastic particles are fully dehumidified, and the working efficiency of the drying equipment is improved.

Drawings

Fig. 1 is a schematic view of a structure of the drying apparatus in an embodiment;

Fig. 2 is a sectional view of the drying apparatus in the embodiment;

fig. 3 is a schematic structural view of the discharge pipe in the embodiment.

In the figure: 1. a frame; 2. a storage hopper; 3. a drying device; 4. a first collection hopper; 5. a second collection hopper; 6. a negative pressure generator; 7. a drying chamber; 8. a first lifting pipe; 9. a first exhaust pipe; 10. a first filtering structure; 11. a first through hole; 12. a drying tube; 13. a discharge cavity; 14. a second lifting pipe; 15. a second exhaust pipe; 16. a second filtering baffle; 17. a second through hole; 18. sealing cover; 19. an interface tube; 20. a discharge pipe; 21. a first switching valve; 22. a feed pipe; 23. a second switching valve; 24. a controller; 25. an exhaust pipe; 26. and a hot blast device.

Detailed Description

The utility model is further described below by way of examples with reference to the accompanying drawings.

Referring to fig. 1, 2 and 3, a plastic particle drying apparatus includes a frame 1, a storage hopper 2, a drying device 3, a first collecting hopper 4, a second collecting hopper 5 and a negative pressure generator 6, the negative pressure generator 6 is an air suction pump, the negative pressure generator 6 is provided with an exhaust pipe 25 in communication, the frame 1 is provided with a controller 24, and the negative pressure generator 6 is connected with and controlled by the controller 24.

The storage hopper 2, the drying device 3 and the negative pressure generator 6 are all arranged on the frame 1, and the inner cavity of the drying device 3 is a drying cavity 7. The first collecting hopper 4 is arranged at the upper part of the drying device 3, the bottom of the first collecting hopper 4 is provided with a feeding pipe 22 in a communicating way, the feeding pipe 22 is provided with a second switch valve 23 for controlling the on-off of the inside of the feeding pipe 22, and the feeding pipe 22 is communicated with the drying cavity 7.

A first lifting pipe 8 is arranged between the storage hopper 2 and the first collecting hopper 4 in a communicated manner, a first extraction pipe 9 is arranged between the extraction end of the negative pressure generator 6 and the first collecting hopper 4 in a communicated manner, a first filtering structure 10 is arranged in the inner cavity of the first collecting hopper 4, and the first filtering structure 10 covers the opening of the first extraction pipe 9 and is communicated with a plurality of first through holes 11;

The bottom of drying chamber 7 includes ejection of compact chamber 13, is provided with second and carries material pipe 14 with communicating between second aggregate bin 5 and the ejection of compact chamber 13, and second aggregate bin 5, ejection of compact chamber 13 and second carry material pipe 14 are linked together in order to form the discharge channel, are provided with second exhaust tube 15 with communicating between the air extraction end of negative pressure generator 6 between second aggregate bin 5 to make the discharge channel be linked together with the air extraction end of negative pressure generator 6, the inner chamber of second aggregate bin 5 is provided with second filter baffle 16, and second filter baffle 16 covers the opening of second exhaust tube 15 and link up there are a plurality of second through-holes 17.

The first collecting hopper 4 and the second collecting hopper 5 are both covered with sealing covers 18, the sealing covers 18 are provided with interface pipes 19, and the two interface pipes 19 are respectively sleeved and matched with the first exhaust pipe 9 and the second exhaust pipe 15.

The bottom of the second collecting hopper 5 is provided with a discharging pipe 20 in a communicating manner, and the discharging pipe 20 is provided with a first switch valve 21 for controlling the on-off of the inside of the discharging pipe.

When the drying equipment is used, the storage hopper 2 is positioned below the first collecting hopper 4, so that a worker pours plastic particles into the storage hopper 2, the worker does not need to carry out feeding work at a high position, the feeding work of the worker is safer, the negative pressure generator 6 is started, so that the first exhaust pipe 9 and the discharging channel respectively carry out vacuum suction operation on the inner cavity of the first collecting hopper 4 and the drying cavity 7, continuous flowing air is formed, the inner cavity of the first collecting hopper 4 forms negative pressure to drive the plastic particles in the storage hopper 2 to fall into the inner cavity of the first collecting hopper 4 through the first lifting pipe 8, the first filtering structure 10 is used for preventing the plastic particles from entering the first exhaust pipe 9, the plastic particles are ensured to be smoothly extracted into the first collecting hopper 4, the moisture on the surface of the plastic particles is discharged along with the flowing air through the first through holes 11, the drying cavity 7 communicated with the discharging channel forms a negative pressure environment to drive the plastic particles in the first collecting hopper 4 to fall into the drying cavity 7, the water on the surface of the plastic particles in the drying cavity 7 is moved away by the flowing air, and the drying equipment achieves the purpose of sufficiently drying the plastic particles. Preferably, the drying device further comprises a hot blast device 26, the drying cavity 7 is communicated with a hot blast output end of the hot blast device 26, a hot blast output end of the hot blast device 26 inputs hot blast into the drying cavity 7 to accelerate the drying speed of the surface moisture of the plastic particles in the drying cavity 7, and the drying device 3 is provided with a drying pipe 12 communicated with the drying cavity 7 for discharging the hot blast with water vapor in the drying cavity 7.

In the drying equipment, the frame 1, the storage hopper 2, the drying device 3, the first collecting hopper 4, the second collecting hopper 5 and the negative pressure generator 6 are detachably connected so as to disassemble, assemble and replace all parts of the drying equipment, and the parts of the drying equipment are assembled into one whole equipment, so that the functions of storing, feeding, drying, collecting, discharging and the like are integrated, the occupied space is small, and the drying equipment is convenient for workers to carry.

The staff can also close the feeding pipe 22 through the second switch valve 23 so that the inner cavity of the first collecting hopper 4 forms a negative pressure environment faster, and can also close the discharging pipe 20 through the first switch valve 21 so that the inner cavity of the second collecting hopper 5 forms a negative pressure environment faster.

The inner cavity of the second collecting hopper 5 is formed, plastic particles in the drying cavity 7 are driven by flowing air to enter the second collecting hopper 5 through the second lifting pipe 14, the second filtering structure is used for preventing the plastic particles from entering the second air pumping holes, and residual moisture on the surfaces of the plastic particles in the second collecting hopper 5 is discharged along with flowing space through the second through holes 17, so that the drying effect of the drying equipment is improved.

The plastic granules in the second collecting hopper 5 are discharged through the discharging pipe 20 under the action of dead weight, so that the plastic granules after being sufficiently dried can be collected by workers, and the discharging pipe 20 can be connected with the feeding position of external plastic processing equipment, so that the feeding and drying of the plastic granules are simultaneously carried out.

Preferably, the air extraction end of the negative pressure generator 6 may be further provided with an electromagnetic valve, which is used for controlling the on-off of the first air extraction pipe 9 and the second air extraction pipe 15 respectively, and the electromagnetic valve is connected with and controlled by the controller 24, so that the staff can control the vacuumizing operation of the first air extraction pipe 9 and the second air extraction according to the requirement.

Of course, the above is only a typical example of the utility model, and other embodiments of the utility model are also possible, and all technical solutions formed by equivalent substitution or equivalent transformation fall within the scope of the utility model claimed.

Claims

1. A plastic particle drying device is characterized in that: the drying device comprises a storage hopper (2), a drying device (3), a first collecting hopper (4) and a negative pressure generator (6), wherein a drying cavity (7) is arranged in an inner cavity of the drying device (3), the first collecting hopper (4) is arranged on the upper portion of the drying device (3) and is communicated with the drying cavity (7), a first lifting pipe (8) is arranged between the storage hopper (2) and the first collecting hopper (4) in a communicating manner, a first extraction pipe (9) is arranged between an extraction end of the negative pressure generator (6) and the first collecting hopper (4) in a communicating manner, a first filtering structure (10) is arranged in the inner cavity of the first collecting hopper (4), and the first filtering structure (10) covers an opening of the first extraction pipe (9) and is communicated with a plurality of first through holes (11);

The drying cavity (7) is provided with a discharging channel in a communicating manner, and the discharging channel is communicated with the air exhaust end of the negative pressure generator (6) so as to drive the dried plastic particles to discharge through the discharging channel.

2. The plastic particle drying apparatus as claimed in claim 1, wherein: the drying device is characterized by further comprising a second collecting hopper (5), wherein the bottom of the drying cavity (7) comprises a discharging cavity (13), a second lifting pipe (14) is arranged between the second collecting hopper (5) and the discharging cavity (13) in a communicating manner, and the second collecting hopper (5), the discharging cavity (13) and the second lifting pipe (14) are communicated to form a discharging channel;

A second exhaust pipe (15) is arranged between the second collecting hopper (5) and the exhaust end of the negative pressure generator (6) in a communicating way.

3. The plastic particle drying apparatus according to claim 2, characterized in that: the inner cavity of the second collecting hopper (5) is provided with a second filtering baffle plate (16), and the second filtering baffle plate (16) covers the opening of the second exhaust pipe (15) and is penetrated by a plurality of second through holes (17).

4. A plastic particle drying apparatus as claimed in claim 3, characterized in that: the first collecting hopper (4) and the second collecting hopper (5) are both covered with sealing covers (18), the sealing covers (18) are provided with interface pipes (19), and the two interface pipes (19) are respectively sleeved with the first exhaust pipe (9) and the second exhaust pipe (15).

5. A plastic particle drying apparatus as claimed in claim 3, characterized in that: the bottom of the second collecting hopper (5) is provided with a discharging pipe (20) in a communicating mode, and the discharging pipe (20) is provided with a first switch valve (21) for controlling the on-off of the inside of the discharging pipe.

6. The plastic particle drying apparatus as claimed in claim 1, wherein: the bottom of the first collecting hopper (4) is provided with a feeding pipe (22) in a communicating way, and the feeding pipe (22) is provided with a second switch valve (23) for controlling the on-off of the inside of the feeding pipe.

7. The plastic particle drying apparatus as claimed in claim 1, wherein: still include frame (1), storage hopper (2) drying device (3) with negative pressure generator (6) all set up in on frame (1), storage hopper (2) are located the below department of first collecting hopper (4).

8. The plastic particle drying apparatus as claimed in claim 7, wherein: the machine frame (1) is provided with a controller (24), the negative pressure generator (6) is an air pump, the negative pressure generator (6) is provided with an exhaust pipe (25) in a communicating manner, and the negative pressure generator (6) is connected with the controller (24) and is controlled by the controller.