A drying device for PE protective film

Abstract

The utility model discloses a drying device of PE protection film, include: protection piece, set up on PE protection film production device, for storing gas, gas drying part, set up at the top of protection piece, for removing the water vapor in gas and heating gas, drying piece, rotation setting in protection piece, and with gas drying part fixed connection, for drying PE protection film, drying piece includes the symmetric setting drum and two protection blocks, two the mesh is opened on the drum, and two protection blocks are used to guide the gas in the discharge drum respectively, rotation part, set up on protection piece, rotation part is used to drive drying piece rotation in protection piece, to dry PE protection film, recovery pipeline, recovery pipeline is used to collect the gas in protection piece and enters gas drying part. The utility model, realize preventing the energy waste in dry gas, and the gas recycling is used, and preventing the gas in the drum is discharged everywhere, is favorable to the energy saving.

Description

Technical Field

[0001] This utility model relates to the field of PE protective film drying technology, and in particular to a PE protective film drying device. Background Technology

[0002] PE protective film is the simplest high-molecular organic compound in terms of structure and is the most widely used polymer material in the world today. PE protective film uses special polyethylene plastic film as the base material and is divided into high-density polyethylene protective film, medium-density polyethylene and low-density polyethylene according to different densities. The biggest advantage of PE protective film is that the protected products are not contaminated, corroded or scratched during production, processing, transportation, storage and use, and the original smooth and shiny surface is preserved, thereby improving the quality of the product and its market competitiveness.

[0003] Currently, PE protective film needs to be dried after production to prevent it from sticking together and affecting quality. The existing drying method involves guiding the unwound PE protective film through a drying chamber via a guide shaft for heating and drying. This method causes the drying gas to escape through the mesh on the roller, affecting the drying quality, and the direct emission of gas results in energy waste. Utility Model Content

[0004] The purpose of this invention is to address the aforementioned shortcomings by providing a drying device for PE protective film, thereby preventing energy waste in the drying gas, recovering and reusing the gas, and preventing the gas inside the drum from escaping, thus saving energy.

[0005] To solve the above-mentioned technical problems, the present invention adopts the following technical solution: a drying device for PE protective film, comprising: Protective components, installed on the PE protective film production equipment, are used to store gas; A gas drying section, located on top of the protective component, is used to remove moisture from the gas and heat the gas. A drying component is rotatably disposed inside a protective component and fixedly connected to a gas drying section for drying a PE protective film. The drying component includes symmetrically arranged rollers and two protective blocks. Both rollers are provided with mesh holes, and the two protective blocks are used to guide the gas discharged from the rollers. A rotating part is disposed on the protective component and located at the end of the drying component. The rotating part is used to drive the drying component to rotate inside the protective component to dry the PE protective film. A recovery pipeline is installed on the protective component, and the recovery pipeline is used to collect the gas inside the protective component and send it into the gas drying section.

[0006] Furthermore, the protective component includes a protective shell, on which fixed grooves are symmetrically formed along the length direction, and movable doors are symmetrically arranged along the fixed grooves, with through grooves formed between the movable doors.

[0007] Furthermore, the gas drying section includes a drying chamber disposed on the protective shell and a cover plate disposed on the top of the drying chamber; It also includes a heating plate installed inside the drying chamber for heating the gas and a dehumidifier installed on the drying chamber for drying the gas, wherein the heating plates are arranged alternately up and down; It also includes a detection unit installed inside the drying chamber and a pressure valve installed on the drying chamber, wherein the detection unit includes a thermometer and a humidity meter.

[0008] Furthermore, the drying component includes a rolling bearing disposed at the end of the drum and connecting pipes disposed inside the two rolling bearings respectively. The connecting pipes extend into the interior of the drying chamber, and a pump body is disposed in the middle of the connecting pipes.

[0009] Furthermore, the rotating part includes sprockets respectively disposed at the ends of the two rollers and a transmission chain disposed on the sprockets for connecting the two sprockets; It also includes a drive unit mounted on the protective housing to drive the sprocket to rotate.

[0010] Furthermore, the recovery pipeline includes F-shaped pipes symmetrically arranged on the protective shell and T-shaped pipes arranged on the F-shaped pipes. The T-shaped pipes are provided with L-shaped pipes for extending into the drying chamber, and the L-shaped pipes are provided with air pumps.

[0011] The beneficial effects of this utility model are reflected in: This invention involves passing the gas through a protective shell containing PE film, between two rollers. A detection unit monitors the temperature and humidity of the gas inside the drying chamber. A heating plate and dehumidifier dehumidify and heat the gas. A pump then draws the gas from the drying chamber, which flows through a connecting pipe into the rollers. A drive unit rotates the rollers within the protective shell. The rollers, connected to the connecting pipe via rolling bearings, transport the PE protective film. The gas inside the rollers dries the PE film through a mesh. A protective block guides the gas on the rollers, preventing gas from escaping through mesh openings that are not aligned with the PE protective film, thus improving gas utilization. The gas is then recovered from the protective shell to the drying chamber via a recovery pipeline, allowing for the reuse of the heated gas within the protective shell. A pressure pipe on the drying chamber opens when the gas supply from the recovery pipeline is insufficient, replenishing the drying chamber with gas. This process prevents energy waste in the drying gas, promotes gas recovery and reuse, and prevents gas from escaping from the rollers, thereby saving energy. Attached Figure Description

[0012] Figure 1 This is a perspective view of the present invention; Figure 2 This is another perspective three-dimensional structural view of the present invention; Figure 3 This is a three-dimensional structural cross-sectional view of the present invention; Figure 4 This is a perspective view of the drying component and the recovery pipeline of this utility model; Figure 5 This is a perspective view of the gas drying section of this utility model.

[0013] In the picture: 1. Protective components; 11. Protective shell; 12. Movable door; 2. Gas drying section; 21. Drying oven; 22. Cover plate; 23. Dehumidifier; 24. Heating plate; 25. Detection section; 3. Drying component; 31. Connecting pipe; 32. Roller; 33. Mesh; 34. Protective block; 35. Rolling bearing; 4. Rotating part; 41. Sprocket; 42. Transmission chain; 43. Drive unit; 5. Recycling pipeline. Detailed Implementation

[0014] The technical solutions of the present utility model will be clearly and completely described below with reference to the accompanying drawings of the embodiments. Obviously, the described embodiments are only a part of the embodiments of the present utility model, and not all of them. Unless otherwise specified, the embodiments and features in the embodiments of this application can be combined with each other. Based on the embodiments of the present utility model, all other embodiments obtained by those skilled in the art without creative effort are within the scope of protection of the present utility model.

[0015] Please see Figure 1-5 This utility model discloses a drying device for PE protective film, comprising: Protective component 1 is installed on the PE protective film production device to store gas. Protective component 1 is used to store the gas after the PE protective film is dried to prevent gas loss. Gas drying section 2 is located on top of protective component 1. Protective component 1 and gas drying section 2 are fixedly installed by bolts to remove water vapor from the gas and heat the gas, thereby improving the drying efficiency of PE protective film. The drying component 3 is rotatably disposed inside the protective component 1 and is fixedly connected to the gas drying section 2. The drying component 3 and the gas drying section 2 are fixedly installed by bolts and flanges. The drying component 3 is used to dry the PE protective film. The drying component 3 includes symmetrically arranged rollers 32 and two protective blocks 34. Both rollers 32 are provided with mesh holes 33. The two protective blocks 34 are used to guide the gas discharged from the rollers 32. There are two rollers 32. The protective blocks 34 are fixedly installed on the inner wall of the protective shell 11. The protective blocks 34 are used to prevent the mesh holes 33 on the rollers 32 that are not directly facing the PE protective film from being blocked, thereby preventing gas loss and improving the utilization rate of the drying gas. Rotating part 4 is disposed on the protective part 1 and located at the end of the drying part 3. Rotating part 4 is used to drive the drying part 3 to rotate inside the protective part 1 to dry the PE protective film. Rotating part 4 is fixedly installed to the protective part 1 by bolts or welding. Rotating part 4 is used to drive the drying part 3 to rotate on the protective part 1 and the gas drying part 2, and to drive the drying part 3 to move the PE protective film. The recovery pipeline 5 is installed on the protective component 1. The recovery pipeline 5 is used to collect the gas in the protective component 1 and enter the gas drying section 2. The recovery pipeline 5 is fixedly installed to the protective component 1 and the gas drying section 2 by flanges and bolts.

[0016] During use, the detection unit 25 detects the temperature and humidity of the gas inside the drying chamber 21. The heating plate 24 and dehumidifier 23 heat and dehumidify the gas inside the drying chamber 21. Then, the pump body draws the dry gas from the drying chamber 21 and enters the drum 32 through the connecting pipe 31. At the same time, the drive unit 43 drives the sprocket 41 and the transmission chain 42 to rotate. The sprocket 41 drives the drum 32 to rotate inside the protective shell 11. The drum 32 rotates on the connecting pipe 31 through the rolling bearing 35. The protective block 34 guides the gas discharged from the mesh 33 of the drum 32 to prevent the dry gas from being discharged from the mesh 33 that is not aligned with the PE protective film, thereby improving the gas utilization rate. Then, the gas inside the protective shell 11 is collected through the recovery pipe 5 and enters the drying chamber 21 through the recovery pipe 5. The heat of the gas is recovered and utilized. The pressure valve on the drying chamber 21 opens when the gas supply from the recovery pipe 5 is insufficient to supplement the gas in the drying chamber 21, thus completing the gas recycling and saving energy.

[0017] In a specific embodiment, the protective component 1 includes a protective shell 11. The protective shell 11 has symmetrically opened fixing grooves along its length direction, and the protective shell 11 has symmetrically arranged movable doors 12 along the fixing grooves. A through groove is opened between the movable doors 12. The protective shell 11 is used to support the roller 32 and the movable doors 12. A PE protective film is passed between the two symmetrical movable doors 12 to prevent a large amount of gas from escaping.

[0018] In one embodiment, the gas drying unit 2 includes a drying chamber 21 disposed on a protective shell 11 and a cover plate 22 disposed on the top of the drying chamber 21. The top of the protective shell 11 is fixedly installed to the drying chamber 21 by bolts, and the cover plate 22 is fixedly installed to the drying chamber 21 by bolts. It also includes a heating plate 24 installed inside the drying chamber 21 for heating the gas and a dehumidifier 23 installed on the drying chamber 21 for drying the gas. The heating plates 24 are arranged alternately up and down, and cavities are opened inside the heating plates 24. Heating wires are installed in the cavities to heat the gas inside the drying chamber 21 and improve the evaporation efficiency of moisture on the PE protective film. The dehumidifier 23 is used to dry the gas inside the drying chamber 21. It also includes a detection unit 25 installed inside the drying chamber 21 and a pressure valve installed on the drying chamber 21. The detection unit 25 includes a thermometer and a humidity meter. The thermometer is used to detect the gas inside the drying chamber 21, and the humidity meter is used to detect the gas inside the drying chamber 21. When the gas inside the drying chamber 21 cannot be supplied by the recovery pipeline 5, the pressure valve automatically opens to replenish the gas inside the drying chamber 21.

[0019] During use, the thermometer and hygrometer on the detection unit 25 detect the temperature and humidity of the gas in the drying chamber 21. The heating plate 24 and dehumidifier 23 dry and heat the gas in the drying chamber 21. The gas in the drying chamber 21 is replenished by the recovery pipeline 5 and pressure valve.

[0020] In a specific embodiment, the drying component 3 includes a rolling bearing 35 disposed at the end of the roller 32 and a connecting pipe 31 disposed inside the two rolling bearings 35 respectively. The connecting pipe 31 extends into the interior of the drying chamber 21. A pump body is provided in the middle of the connecting pipe 31. The pump body is used to draw dry gas from the drying chamber 21. The roller 32 rotates within the connecting pipe 31 and the protective shell 11 through the rolling bearing 35. The connecting pipe 31 includes an F-shaped pipe and an L-shaped pipe, which are used to connect the roller 32 and the drying chamber 21. The mesh 33 is used to discharge the dry gas inside the roller 32 to dry the PE protective film.

[0021] In one embodiment, the rotating part 4 includes sprockets 41 respectively disposed at the ends of the two rollers 32 and a transmission chain 42 disposed on the sprockets 41 for connecting the two sprockets 41; It also includes a drive unit 43 disposed on the protective shell 11 for driving the sprocket 41 to rotate. The drive unit 43 is an electric motor or motor. The drive unit 43 is used to drive the sprocket 41 and the transmission chain 42 to rotate, and the sprocket 41 drives the roller 32 to rotate inside the protective shell 11.

[0022] In a specific embodiment, the recovery pipeline 5 includes an F-shaped pipe symmetrically arranged on the protective shell 11 and a T-shaped pipe arranged on the F-shaped pipe. The T-shaped pipe is provided with an L-shaped pipe for extending into the drying chamber 21, and an air pump is provided on the L-shaped pipe. The recovery pipeline 5 is used to connect the protective shell 11 and the drying chamber 21. The recovery pipeline 5 and the air pump are used to recover the gas in the protective shell 11 to the drying chamber 21, recover and utilize heat, prevent heat loss, and help save energy.

[0023] It should be noted that if the embodiments of this utility model involve directional indicators (such as up, down, left, right, front, back, etc.), the directional indicators are only used to explain the relative positional relationship and movement of the components in a certain specific posture (as shown in the figure). If the specific posture changes, the directional indicators will also change accordingly.

[0024] Furthermore, if the embodiments of this utility model involve descriptions such as "first" or "second," these descriptions are for descriptive purposes only and should not be construed as indicating or implying their relative importance or implicitly specifying the number of indicated technical features. Therefore, features defined with "first" or "second" may explicitly or implicitly include at least one of those features. Additionally, the technical solutions of the various embodiments can be combined with each other, but this must be based on the ability of those skilled in the art to implement them. If the combination of technical solutions is contradictory or impossible to implement, it should be considered that such a combination of technical solutions does not exist and is not within the scope of protection claimed by this utility model.

[0025] Additionally, "multiple" refers to two or more.

[0026] The above description is only a preferred embodiment of the present utility model and is not intended to limit the present utility model. Any modifications, equivalent substitutions, improvements, etc., made within the spirit and principles of the present utility model should be included within the protection scope of the present utility model.

Claims

1. A drying apparatus for PE protective film, characterized in that, include: Protective component (1) is installed on the PE protective film production device to store gas; A gas drying unit (2) is provided on top of the protective member (1) to remove water vapor from the gas and heat the gas; The drying component (3) is rotatably disposed inside the protective component (1) and fixedly connected to the gas drying section (2) for drying the PE protective film. The drying component (3) includes symmetrically arranged rollers (32) and two protective blocks (34). Mesh holes (33) are provided on both rollers (32), and the two protective blocks (34) are used to guide the gas discharged from the rollers (32). A rotating part (4) is disposed on the protective member (1) and located at the end of the drying member (3). The rotating part (4) is used to drive the drying member (3) to rotate inside the protective member (1) to dry the PE protective film. A recovery pipeline (5) is installed on the protective component (1) to collect the gas inside the protective component (1) and enter the gas drying section (2).

2. The drying device for a PE protective film according to claim 1, characterized in that: The protective component (1) includes a protective shell (11), on which fixed grooves are symmetrically provided along the length direction, and movable doors (12) are symmetrically provided along the fixed grooves on the protective shell (11), and through grooves are provided between the movable doors (12).

3. The drying device for a PE protective film according to claim 2, characterized in that: The gas drying section (2) includes a drying chamber (21) disposed on a protective shell (11) and a cover plate (22) disposed on the top of the drying chamber (21). It also includes a heating plate (24) installed inside the drying chamber (21) for heating the gas and a dehumidifier (23) installed on the drying chamber (21) for drying the gas, wherein the heating plate (24) is arranged alternately up and down; It also includes a detection unit (25) installed inside the drying chamber (21) and a pressure valve installed on the drying chamber (21), wherein the detection unit (25) includes a thermometer and a humidity meter.

4. The drying device for a PE protective film according to claim 3, characterized in that: The drying component (3) includes a rolling bearing (35) disposed at the end of the roller (32) and a connecting pipe (31) disposed inside the two rolling bearings (35) respectively. The connecting pipe (31) extends into the interior of the drying chamber (21), and a pump body is provided in the middle of the connecting pipe (31).

5. The drying apparatus for a PE protective film according to claim 4, characterized in that: The rotating part (4) includes sprockets (41) respectively disposed at the ends of the two rollers (32) and a transmission chain (42) disposed on the sprockets (41) for connecting the two sprockets (41). It also includes a drive unit (43) mounted on the protective housing (11) for driving the sprocket (41) to rotate.

6. The drying apparatus for a PE protective film according to claim 3, characterized in that: The recovery pipeline (5) includes an F-shaped pipe symmetrically arranged on the protective shell (11) and a T-shaped pipe arranged on the F-shaped pipe. The T-shaped pipe is provided with an L-shaped pipe for extending into the drying box (21), and an air pump is provided on the L-shaped pipe.

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