CN219213733U

CN219213733U - Thermoplastic biodegradable plastic circulation drying device

Info

Publication number: CN219213733U
Application number: CN202222809937.6U
Authority: CN
Inventors: 刘晨; 胡立楠; 高鹏娜; 崔兆伟; 陈少飞
Original assignee: Shandong Ruian Biotechnology Co ltd
Current assignee: Shandong Ruian Biotechnology Co ltd
Priority date: 2022-10-25
Filing date: 2022-10-25
Publication date: 2023-06-20
Anticipated expiration: 2032-10-25

Abstract

The utility model relates to a thermoplastic biodegradable plastic circulation drying device, which belongs to the technical field of hot air drying, and comprises a drying tank, a ventilation tank, a stirring device, a gas collecting device and a heating pipe.

Description

Thermoplastic biodegradable plastic circulation drying device

Technical Field

The utility model relates to the technical field of hot air drying, in particular to a thermoplastic biodegradable plastic circulating drying device.

Background

The biodegradable plastic is a plastic which is degraded by the action of microorganisms such as bacteria, mould (fungi) and algae in the natural world, is wear-resistant, oil-resistant, transparent and good in elasticity, and is commonly used in the fields of daily necessities, sports goods, toys, decorative materials and the like. The patent publication No. CN209197413U discloses a TPU hot air circulation drying device, which comprises a bottom plate and an inner shell, wherein an electric heating wire is arranged, a fan rotates to blow heat out of a through hole to dry raw material particles, so that the drying efficiency is high, and raw material caking can be avoided; through setting up cleaning device, the rotation of roof drives the dead lever and rotates for brush on the dead lever cleans the surface of inner shell constantly, effectively avoids raw materials granule to block up the through-hole and leads to the inhomogeneous condition of heat dispersion. Because the raw materials are lighter in weight, when the raw materials are dried, the problems that static electricity is easily adsorbed on a scraping plate or the inner wall cannot be cleaned exist. Based on the above problems, the utility model provides a circulation drying device for thermoplastic biodegradable plastic.

Disclosure of Invention

The utility model aims to solve the technical problem of providing a thermoplastic biodegradable plastic circulation drying device aiming at the defects of the prior art.

The technical scheme for solving the technical problems is as follows: the utility model provides a thermoplastic biodegradable plastics circulation drying device, its characterized in that, includes drying cylinder, ventilation tank, agitating unit, gas collecting device, heating pipe, the drying cylinder is connected through the ventilation board with the ventilation tank, opens the ventilation hole on the ventilation board, agitating unit locates the drying cylinder bottom, gas collecting device locates the drying cylinder top, gas collecting device one end is connected with the drying cylinder, and the other end passes through gas transmission pipeline and heating pipe intercommunication, the heating pipe other end passes through gas transmission pipeline and ventilation tank intercommunication, be equipped with first pulse pneumatic valve, feed inlet, discharge gate in the drying cylinder, first pulse pneumatic valve is located the ventilation board and is close to drying cylinder one side, wherein first pulse pneumatic valve fixed connection is at the top of drying cylinder 1, first pulse pneumatic valve and ventilation board one-to-one, gas collecting device and drying cylinder junction are equipped with the filter screen, gas collecting device and drying cylinder junction are equipped with the second pulse pneumatic valve of horizontal direction, the ventilation cylinder bottom is equipped with the fan.

Furthermore, a one-way air inlet valve is arranged at the joint of the heating pipe and the ventilation tank.

Further, a humidity detector is arranged in the gas pipeline in which the gas collecting device is communicated with the heating pipe.

Further, a temperature detector is arranged in the heating pipe.

Further, the stirring device comprises a stirring shaft and a motor.

The beneficial effects of the utility model are as follows: 1. according to the utility model, the pulse air valve is arranged on one side of the ventilation plate, which is close to the drying tank, and the pulse air valve is used for jetting air, so that raw materials are adhered to the ventilation plate, raw materials are prevented from being blown off, the ventilation plate is prevented from being blocked, the raw materials are prevented from being adhered to the surface of the cleaning device because the pulse air valve jets out air and is not directly contacted with the raw materials, and meanwhile, the pulse air valve enables the jetted air to drive hot air to move downwards, so that the raw materials are uniformly heated, the raw materials are prevented from being adhered, the higher working efficiency is realized, and the raw materials are completely dried.

2. According to the utility model, the gas collecting device is connected with the drying tank, and the gas pipeline is communicated with the heating pipe and the ventilation tank in sequence, so that air is recycled, additional air supplement is not needed, the energy loss is effectively reduced, the time required for one cycle is reduced, the working efficiency is improved, and meanwhile, the pulse gas valve is arranged at the joint of the gas collecting device and the drying tank, so that the gas collecting device is prevented from being blocked by raw materials, and the labor intensity of maintenance personnel is reduced.

Drawings

FIG. 1 is a schematic diagram of the structure of a front view of the present utility model;

FIG. 2 is a partial schematic view of the top view of the present utility model;

in the figure: 1. the device comprises a drying tank, a ventilation tank, a gas collecting device, a heating pipe, a ventilation plate, a first pulse gas valve, a feed inlet, a discharge outlet, a second pulse gas valve, a fan, a one-way gas inlet valve, a humidity detector, a stirring shaft and a motor.

Detailed Description

The principles and features of the present utility model are described below with reference to the drawings, the illustrated embodiments are provided for illustration only and are not intended to limit the scope of the present utility model.

As shown in fig. 1 and 2, a circulation drying device for thermoplastic biodegradable plastics of this embodiment is characterized by comprising a drying tank 1, a ventilation tank 2, a stirring device, a gas collecting device 3 and a heating pipe 4, wherein the drying tank 1 is connected with the ventilation tank 2 through a ventilation plate 5, a ventilation hole is formed in the ventilation plate 5, the stirring device is arranged at the bottom of the drying tank 1, the gas collecting device 3 is arranged at the top of the drying tank 1, one end of the gas collecting device 3 is connected with the drying tank 1, the other end of the gas collecting device is communicated with the heating pipe 4 through a gas pipeline, the other end of the heating pipe 4 is communicated with the ventilation tank 2 through a gas pipeline, a first pulse gas valve 6, a feed inlet 7 and a discharge outlet 8 are arranged in the drying tank 1, the first pulse gas valve 6 is arranged on one side of the ventilation plate 5 close to the drying tank 1, the first pulse gas valve 6 is in one-to-one correspondence with the ventilation plate 5, in this embodiment, the gas collecting device 3 is arranged at the joint of the drying tank 1, and the filter screen is prevented from being blocked by the hot air driving the raw materials into the gas collecting device 3. The connection part of the gas collecting device 3 and the drying tank 1 is provided with a second pulse gas valve 9 in the horizontal direction, and the bottom of the ventilation tank 2 is provided with a fan 10.

In this example, the stirring device includes a stirring shaft 13 and a motor 14, the moist raw material enters the drying tank 1 through the feed inlet 7, the ventilation tank 2 is communicated with the side wall of the drying tank 1, a ventilation plate 5 is arranged at the communication position, a fan 10 is arranged at the bottom of the ventilation tank 2, the fan 10 works to drive hot air to enter the drying tank 1 through the ventilation plate 5, a first pulse air valve 6 positioned at one side of the ventilation plate 5 near the drying tank 1 works to spray compressed air to drive the hot air to move downwards, so that the hot air is in contact with the moist raw material, the moist raw material is completely contacted with the hot air under the action of the stirring device, the hot air takes away moisture of the moist raw material, the hot air becomes cold air containing moisture, the cold air enters the gas collecting device 3, the cold air enters the heating pipe 4 through a gas transmission pipeline, and the cold air containing moisture becomes dry hot air through the heating pipe 4, and the hot air enters the ventilation tank 2 through the gas transmission pipeline, and one cycle is completed.

In this embodiment, the joint of the heating pipe 4 and the ventilation tank 2 is provided with the unidirectional air inlet valve 11, so that hot air is prevented from reversely moving from the gas pipeline into the heating pipe 4 when the fan 10 works, the flowing direction of the hot air in the circulation is controlled, the energy utilization rate is improved, and the working efficiency is improved.

In this embodiment, the gas collecting device 3 is provided with the humidity detector 12 in the gas pipeline communicated with the heating pipe 4, and the moisture in the cold air depends on the moisture content in the raw material, so that an operator can observe the dryness of the raw material through the humidity detector 12, and does not need to additionally sample for observation, thereby reducing the labor intensity of the operator.

In this embodiment, by providing a temperature detector in the heating pipe 4, the temperature of the hot air is controlled, and the hot air is prevented from being excessively high, which results in melting of the raw materials.

The above embodiments are only for illustrating the technical solution of the present utility model, and not for limiting the same; although the utility model has been described in detail with reference to the foregoing embodiments, it will be understood by those of ordinary skill in the art that: the technical scheme described in the foregoing embodiments can be modified or some or all of the technical features thereof can be replaced by equivalents; such modifications and substitutions do not depart from the spirit of the utility model.

Claims

1. The utility model provides a thermoplastic biodegradation plastics circulation drying device, its characterized in that, including drying cylinder (1), ventilation tank (2), agitating unit, gas collecting device (3), heating pipe (4), drying cylinder (1) are connected through ventilating board (5) with ventilation tank (2), and it has the ventilation hole to open on ventilating board (5), agitating unit locates drying cylinder (1) bottom, drying cylinder (1) top is located in gas collecting device (3), gas collecting device (3) one end is connected with drying cylinder (1), and the other end passes through gas transmission pipeline and heating pipe (4) intercommunication, heating pipe (4) other end passes through gas transmission pipeline and ventilation tank (2) intercommunication, be equipped with first pulse pneumatic valve (6), feed inlet (7), discharge gate (8) in drying cylinder (1), first pulse pneumatic valve (6) are located ventilating board (5) and are close to drying cylinder (1) one side, wherein first pulse pneumatic valve (6) fixed connection is at the top of drying cylinder (1), first pulse pneumatic valve (6) and board (5) are equipped with pulse pneumatic valve (2) and second fan (10) bottom one-to-one side.

2. The circulation drying device for thermoplastic biodegradable plastic according to claim 1, characterized in that the joint of the heating pipe (4) and the ventilation tank (2) is provided with a unidirectional air inlet valve (11).

3. The circulation drying device for thermoplastic biodegradable plastic according to claim 1, characterized in that a humidity detector (12) is arranged in a gas pipeline communicated with the gas collecting device (3) and the heating pipe (4).

4. The circulation drying device for thermoplastic biodegradable plastic according to claim 1, characterized in that the connection of the gas collecting device (3) and the drying tank (1) is provided with a filter screen.

5. The circulation drying device for thermoplastic biodegradable plastic according to claim 1, characterized in that the heating pipe (4) is internally provided with a temperature detector.

6. A thermoplastic biodegradable plastic circulation drying device according to claim 1, characterized in that said stirring means comprises a stirring shaft (13) and a motor (14).