Special environment-friendly device for recycled plastic extrusion wire drawing machine
By designing a special environmentally friendly device for recycled plastic extrusion wire drawing machine including gas collection pipeline, filter box, pumping component, purification component and reaction box, the problem of toxic and harmful gas purification in the production process of recycled plastics is solved, and efficient gas purification and convenient device maintenance are achieved.
Patent Information
- Application Number
- CN202421779225.7
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2024-07-26
- Publication Date
- 2025-04-25
- Estimated Expiration
- 2034-07-26
AI Technical Summary
The toxic and harmful gases produced during the production of recycled plastics are difficult to effectively purify, affecting workers' health and environmental safety, and the purification components of existing wire drawing machines are not convenient for cleaning and replacement.
An environmentally friendly device for recycled plastic extrusion wire drawing machine is designed, including a wire drawing machine body, gas collection pipeline, filter box, air extraction component, purification component and reaction box. Through the synergy of these components, multiple purification of harmful gases can be achieved.
Effectively intercept and purify solid particulate matter and harmful gases in the gas, ensure that the exhausted gas meets emission standards, improves workers' health and environmental safety, and the device is designed for easy cleaning and replacement.
Smart Images

Figure CN222788738U_ABST
Abstract
Description
Technical Field
[0001] The utility model relates to the technical field of recycled plastic production, in particular to a special environmental protection device for a recycled plastic extrusion wire drawing machine. Background Art
[0002] Recycled plastics refer to plastic raw materials obtained after processing waste plastics through physical or chemical methods such as pretreatment, melt granulation, and modification. It is the reuse of plastics. Recycled plastic production lines usually adopt the production process of melt-extrusion-granulation, among which the extrusion process requires the use of extrusion drawing machines for production.
[0003] The production process of recycled plastics will produce toxic and harmful gases, which need to be treated with a variety of purification methods to prevent pollution of the working environment and affect the health of workers. After long-term use, it is not convenient to clean and replace the purification components of the existing wire drawing machine.
[0004] Therefore, it is necessary to provide a special environmental protection device for a recycled plastic extrusion wire drawing machine to solve the above technical problems. Utility Model Content
[0005] The utility model provides a special environmental protection device for a recycled plastic extrusion wire drawing machine, which solves the problem that toxic and harmful gases are generated in the production process of recycled plastics and the exhaust gas needs to be treated in a variety of purification methods.
[0006] In order to solve the above technical problems, the utility model provides a special environmental protection device for a recycled plastic extrusion wire drawing machine, comprising: a wire drawing machine body and a reaction box, the wire drawing machine body is provided with a discharge port, the upper part of the wire drawing machine body is provided with a gas collecting pipe, the connection between the gas collecting pipe and the wire drawing machine body is provided with a connecting piece, the other end of the gas collecting pipe is connected to a filter box, the upper part of the reaction box is provided with a purification component, the upper part of the purification component is connected to a transition pipe, the upper part of the transition pipe is connected to an exhaust component, and the exhaust component is connected to the filter box.
[0007] Preferably, the filter box comprises a box body and a frame, sliding blocks are arranged on the inner sides of the upper and lower parts of the box body, the frame is slidably connected to the sliding blocks, and a particle filter is fixedly connected inside the frame.
[0008] Preferably, a first fixing hole is formed on the frame, a second fixing hole is formed on the box body, a spring is fixedly connected in the second fixing hole, a plug-in block is fixedly connected to the other end of the spring, and the plug-in block is slidably connected to the second fixing hole.
[0009] Preferably, the exhaust assembly includes a transfer box, which is respectively connected to the filter box and the transition duct, a protective plate is provided on the upper portion of the transfer box, and an exhaust fan group is provided below the protective plate.
[0010] Preferably, the purification assembly includes a purification box, a mounting plate and a positioning plate, the upper part of the purification box is connected to the transition duct, the lower part of the purification box is connected to the reaction box, the mounting plate is provided with a first purification layer and a second purification layer, the purification box is provided with a positioning hole, and the positioning plate is provided with a protrusion, and the protrusion corresponds to the position of the positioning hole.
[0011] Preferably, the first purification layer is provided with a through hole, and the second purification layer is provided with a through hole.
[0012] Preferably, the reaction box is provided with a water inlet, a water outlet and a gas exhaust pipe, the water inlet is provided with a sealing plug, the water outlet is provided with a water valve, and the gas exhaust pipe is provided with a gas valve.
[0013] Compared with the related art, the environmental protection device for recycled plastic extrusion wire drawing machine provided by the utility model has the following beneficial effects:
[0014] The utility model provides a special environmental protection device for a recycled plastic extrusion wire drawing machine. Harmful gases generated by the wire drawing machine body are extracted by an exhaust component and enter from a gas collecting pipe. When passing through a filter box, solid particles in the gas are first blocked and intercepted; when passing through a purification component, a part of the harmful gases is absorbed; finally, the remaining harmful substances are neutralized by a reactant in a reaction box. Multiple purifications ensure that the purification degree of the discharged gas meets the emission standards. BRIEF DESCRIPTION OF THE DRAWINGS
[0015] Figure 1 A structural schematic diagram of a preferred embodiment of a special environmental protection device for a recycled plastic extrusion wire drawing machine provided by the utility model;
[0016] Figure 2 It is a schematic diagram of the structure of the air extraction component, the purification component and the reaction box in the utility model;
[0017] Figure 3 This is a schematic diagram of the structure of the filter box in the utility model;
[0018] Figure 4 It is a structural schematic diagram of the purification component in the utility model.
[0019] Numbers in the figure: 1. wire drawing machine body, 2. discharge port, 3. gas collection pipeline, 4. connecting piece, 5. filter box, 51. box body, 52. sliding block, 53. frame, 54. particle filter, 55. first fixing hole, 56. second fixing hole, 57. spring, 58. plug-in block, 6. exhaust assembly, 61. transfer box, 62. protective plate, 63. exhaust fan group, 7. transition pipeline, 8. purification assembly, 81. purification box, 82. mounting plate, 83. positioning plate, 84. positioning hole, 85. first purification layer, 86. second purification layer, 87. through hole, 88. bump, 9. reaction box, 10. water inlet, 11. sealing plug, 12. water outlet, 13. water valve, 14. gas discharge pipe, 15. air valve. DETAILED DESCRIPTION
[0020] The utility model is further described below in conjunction with the accompanying drawings and implementation modes.
[0021] Please refer to Figure 1 , Figure 2 , Figure 3 and Figure 4 ,in, Figure 1 A structural schematic diagram of a preferred embodiment of a special environmental protection device for a recycled plastic extrusion wire drawing machine provided by the utility model;
[0022] Figure 2 It is a schematic diagram of the structure of the air extraction component, the purification component and the reaction box in the utility model;
[0023] Figure 3 This is a schematic diagram of the structure of the filter box in the utility model;
[0024] Figure 4 It is a structural schematic diagram of the purification component in the utility model.
[0025] A special environmental protection device for a recycled plastic extrusion wire drawing machine comprises: a wire drawing machine body 1 and a reaction box 9, wherein the wire drawing machine body 1 is provided with a discharge port 2, a gas collecting pipe 3 is provided on the upper part of the wire drawing machine body 1, a connecting piece 4 is provided at the connection between the gas collecting pipe 3 and the wire drawing machine body 1, a filter box 5 is connected to the other end of the gas collecting pipe 3, a purification component 8 is provided on the upper part of the reaction box 9, a transition pipe 7 is connected to the upper part of the purification component 8, an exhaust component 6 is connected to the upper part of the transition pipe 7, and the exhaust component 6 is connected to the filter box 5.
[0026] During the plastic wire drawing production process, harmful gases generated by the wire drawing machine body 1 enter from the gas collection pipe 3, pass through the filter box 5, the exhaust component 6 and the purification component 8, and finally enter the reaction box 9, and are discharged from the reaction box 9 after purification.
[0027] The filter box 5 includes a box body 51 and a frame 53 . Sliding blocks 52 are arranged on the inner sides of the upper and lower parts of the box body 51 . The frame 53 is slidably connected to the sliding blocks 52 . A particle filter 54 is fixedly connected inside the frame 53 .
[0028] When installing the particle filter 54, the notch on the frame 53 is aligned with the sliding block 52 and inserted, which facilitates disassembly and assembly and prevents the particle filter 54 from being gradually blocked after long-term use, resulting in reduced filtering effect.
[0029] The frame 53 is provided with a first fixing hole 55 , the box body 51 is provided with a second fixing hole 56 , a spring 57 is fixedly connected in the second fixing hole 56 , the other end of the spring 57 is fixedly connected with a plug-in block 58 , and the plug-in block 58 is slidably connected to the second fixing hole 56 .
[0030] The plug-in block 58 increases the stability of the frame 53 after installation.
[0031] The exhaust assembly 6 includes a transfer box 61 , which is connected to the filter box 5 and the transition duct 7 respectively. A protective plate 62 is provided on the upper part of the transfer box 61 , and an exhaust fan group 63 is provided below the protective plate 62 .
[0032] The protection plate 62 prevents the exhaust fan group 63 from being hit and affecting the exhaust work.
[0033] The purification assembly 8 includes a purification box 81, a mounting plate 82 and a positioning plate 83. The upper part of the purification box 81 is connected to the transition duct 7, and the lower part of the purification box 81 is connected to the reaction box 9. The mounting plate 82 is provided with a first purification layer 85 and a second purification layer 86. A positioning hole 84 is opened on the purification box 81, and a protrusion 88 is provided on the positioning plate 83. The protrusion 88 corresponds to the position of the positioning hole 84.
[0034] The gas enters the purification box 81 and is purified twice by the first purification layer 85 and the second purification layer 86. After long-term use, the handle outside the mounting plate 82 is pulled to pull the protrusion 88 out of the positioning hole 84, and the purification materials of the first purification layer 85 and the second purification layer 86 are replaced. The mounting plate 82 and the positioning plate 83 facilitate quick disassembly and assembly.
[0035] The first purification layer 85 is provided with a through hole 87 , and the second purification layer 86 is provided with a through hole 87 .
[0036] After the gas enters the purification box 81, it enters the first purification layer 85 and the second purification layer 86 through the hole 87. The first purification layer 85 is loaded with activated carbon, and the porous structure and large specific surface area of the activated carbon are used to adsorb part of the organic matter in the organic waste gas. The operation is simple and the adaptability is strong; the second purification layer 86 is loaded with active metal oxides (such as aluminum oxide, iron oxide, zinc oxide, etc.) or other targeted purifiers to perform targeted adsorption and purification on harmful substances in the gas.
[0037] The reaction box 9 is provided with a water inlet 10 , a water outlet 12 and a gas exhaust pipe 14 . The water inlet 10 is provided with a sealing plug 11 , the water outlet 12 is provided with a water valve 13 , and the gas exhaust pipe 14 is provided with a gas valve 15 .
[0038] The reactant for purifying harmful gases is added into the reaction box 9 through the water inlet 10, and the reactant after long-term use is discharged through the water outlet 12. Finally, the purified gas is discharged to the outside from the gas discharge pipe 14.
[0039] The working principle of a special environmental protection device for recycled plastic extrusion wire drawing machine provided by the utility model is as follows:
[0040] During the plastic wire drawing production process, harmful gases generated by the wire drawing machine body 1 enter from the gas collection pipe 3, pass through the filter box 5, the exhaust component 6 and the purification component 8, and finally enter the reaction box 9, and are discharged from the reaction box 9 after purification.
[0041] Compared with the related art, the environmental protection device for recycled plastic extrusion wire drawing machine provided by the utility model has the following beneficial effects:
[0042] The harmful gas generated by the wire drawing machine body 1 is extracted by the exhaust component 6 and enters from the gas collection pipe 3. When passing through the filter box 5, the solid particles in the gas are first blocked and intercepted; when passing through the purification component 8, a part of the harmful gas is absorbed; finally, the remaining harmful substances are neutralized by the reactants in the reaction box 9. Multiple purifications ensure that the purification degree of the discharged gas meets the emission standards.
[0043] The above description is only an embodiment of the present invention, and does not limit the patent scope of the present invention. Any equivalent structure or equivalent process transformation made by using the contents of the specification and drawings of the present invention, or directly or indirectly applied in other related technical fields, are also included in the patent protection scope of the present invention.
Claims
1. A special environmental protection device for recycled plastic extrusion wire drawing machine, characterized in that: include: A wire drawing machine body and a reaction box, wherein the wire drawing machine body is provided with a discharge port, a gas collecting pipe is provided on the upper part of the wire drawing machine body, a connecting piece is provided at the connection between the gas collecting pipe and the wire drawing machine body, the other end of the gas collecting pipe is connected to a filter box, a purification component is provided on the upper part of the reaction box, a transition pipe is connected to the upper part of the purification component, an exhaust component is connected to the upper part of the transition pipe, and the exhaust component is connected to the filter box.
2. A special environmental protection device for recycled plastic extrusion wire drawing machine according to claim 1, characterized in that: The filter box comprises a box body and a frame. Sliding blocks are arranged on the inner sides of the upper and lower parts of the box body. The frame is slidably connected to the sliding blocks. A particle filter is fixedly connected inside the frame.
3. A special environmental protection device for recycled plastic extrusion wire drawing machine according to claim 2, characterized in that: The frame is provided with a first fixing hole, the box body is provided with a second fixing hole, a spring is fixedly connected in the second fixing hole, the other end of the spring is fixedly connected with a plug-in block, and the plug-in block is slidably connected to the second fixing hole.
4. A special environmental protection device for recycled plastic extrusion wire drawing machine according to claim 1, characterized in that: The air extraction component comprises a transfer box, which is respectively connected to the filter box and the transition duct. A protective plate is arranged on the upper part of the transfer box, and an air extraction fan group is arranged below the protective plate.
5. The special environmental protection device for recycled plastic extrusion wire drawing machine according to claim 1, characterized in that: The purification assembly includes a purification box, a mounting plate and a positioning plate. The upper part of the purification box is connected to the transition duct, and the lower part of the purification box is connected to the reaction box. The mounting plate is provided with a first purification layer and a second purification layer. The purification box is provided with a positioning hole, and the positioning plate is provided with a protrusion, and the protrusion corresponds to the position of the positioning hole.
6. A special environmental protection device for recycled plastic extrusion wire drawing machine according to claim 5, characterized in that: The first purification layer is provided with a through hole, and the second purification layer is provided with a through hole.
7. A special environmental protection device for recycled plastic extrusion wire drawing machine according to claim 1, characterized in that: The reaction box is provided with a water inlet, a water outlet and a gas exhaust pipe, the water inlet is provided with a sealing plug, the water outlet is provided with a water valve, and the gas exhaust pipe is provided with a gas valve.