Steel packaging structure
By using a two-layer packaging structure, with an inner layer of foam film and an outer layer of foam board, the problem of complex existing steel packaging structures is solved, achieving simplified and efficient packaging that meets the needs of environmental protection and automation.
Patent Information
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- SHENYANG RUSTPROOF PACKING MATERIAL CO LTD
- Filing Date
- 2025-06-06
- Publication Date
- 2026-04-17
AI Technical Summary
Existing steel packaging structures have numerous layers, complex forms, and low efficiency. Furthermore, the recycling of existing composite materials is difficult to achieve environmentally friendly reduction, failing to meet the development needs of automation, carbon reduction, and environmental protection.
It adopts a two-layer packaging structure, with a thinner inner layer of foam film and a thicker outer layer of foam board. The inner layer provides cushioning and barrier protection, while the outer layer provides damage prevention and cushioning protection. It is made of all-plastic materials, with a simplified packaging structure. The inner layer provides rust protection, while the outer layer provides protection. It is made of all-plastic materials, with a simplified packaging structure. The inner layer provides rust protection, while the outer layer provides protection. It is made of reinforced foam board, while the outer layer provides protection. It is made of all-plastic materials, with a simplified packaging structure. The inner layer provides rust protection, while the outer layer provides protection. It is made of reinforced foam board, with damage prevention and cushioning protection.
It simplifies the packaging structure, improves packaging efficiency, reduces the types of materials, and enables direct recycling of materials. It uses all-plastic materials, simplifies the packaging form, improves packaging efficiency, and enables direct recycling of materials, thus meeting the needs of environmental protection and automation.
Smart Images
Figure CN224131806U_ABST
Abstract
Description
Technical Field
[0001] This utility model belongs to the field of steel cushioning and protective packaging technology, and more specifically, relates to a steel packaging structure. Background Technology
[0002] To prevent rust and damage during the storage and transportation of steel plate and strip products, packaging is required for rust prevention, cushioning, and protection. Current packaging mainly consists of three parts: a rust-proof layer, a cushioning layer, and a protective layer. The rust-proof layer uses rust-proof paper or film, the cushioning layer uses paper or plastic protective plates, and the protective layer uses steel plates. This aims to meet the requirements of rust prevention, cushioning, water resistance, and protection during the storage and transportation of steel plate and strip, reducing the risk of rust and damage. However, this three-layer packaging method suffers from low efficiency, complex forms, numerous material types, and difficulties in recycling, failing to meet the current development model of automation, carbon reduction, environmental protection, and high efficiency in metallurgical enterprises. Although multi-functional composite materials for rust prevention and cushioning have emerged, they mainly use paper-plastic composites, requiring mechanical or chemical separation for recycling. In practical applications, this does not achieve the goal of carbon reduction and environmental protection in packaging materials. How to simplify packaging forms, improve packaging efficiency, and simultaneously achieve single-material packaging that can be directly recycled has become a pressing need for steel plate and strip product manufacturers. Utility Model Content
[0003] The purpose of this utility model is to address the shortcomings of existing technologies by providing a steel packaging structure that solves the problems of numerous layers, complex forms, and low packaging efficiency in existing steel packaging.
[0004] To achieve the above objectives, this utility model provides a steel packaging structure, comprising:
[0005] An inner packaging layer and an outer packaging layer are sequentially wrapped around the outside of the steel. The inner packaging layer and the outer packaging layer respectively include a foam film and a foam board, and the thickness of the foam board is greater than the thickness of the foam film.
[0006] Optionally, a desiccant and / or rust inhibitor are provided between the inner packaging layer and the steel.
[0007] Optionally, a desiccant and / or rust inhibitor are disposed between the outer packaging layer and the inner packaging layer.
[0008] Optionally, the inner packaging layer includes the foamed film, the first adhesive layer and the first plastic woven fabric arranged in sequence to form a reinforced foamed film of all-plastic material.
[0009] Optionally, the outer packaging layer includes the foam board, the second adhesive layer, and the second plastic woven fabric arranged in sequence to form a reinforced foam board of all-plastic material.
[0010] Optionally, the desiccant is a bagged desiccant, and the rust inhibitor is a bagged rust inhibitor.
[0011] Optionally, the thickness of the foamed film is 90-150 μm, and the density of the foamed film is 0.4-0.8 g / cm³. 3 .
[0012] Optionally, the thickness of the foamed board is 0.5-2 mm, and the density of the foamed board is 0.4-0.8 g / cm³. 3 .
[0013] Optionally, it also includes plastic corner protectors, which are disposed on the outside of the outer packaging layer.
[0014] Optionally, it also includes straps that are secured to the outside of the plastic corner protectors.
[0015] This utility model provides a steel packaging structure with the following advantages: the steel packaging structure uses an inner packaging layer and an outer packaging layer wrapped around the outside of the steel. The inner packaging layer and the outer packaging layer respectively include a thin foam film and a thick foam board. The inner packaging layer can provide cushioning and barrier protection for the steel, while the outer packaging layer provides anti-damage and cushioning protection for the inner packaging layer, and also plays a cushioning and protection role for the steel. This steel packaging structure has only two packaging layers, forming a simplified packaging structure. While ensuring barrier, cushioning, and protection functions, it reduces the number of packaging layers and packaging forms, thereby improving packaging efficiency.
[0016] Other features and advantages of this invention will be described in detail in the following detailed description section. Attached Figure Description
[0017] The above and other objects, features and advantages of the present invention will become more apparent from the accompanying drawings, in which like reference numerals generally represent like parts.
[0018] Figure 1 A schematic diagram of a steel packaging structure according to an embodiment of the present invention is shown.
[0019] Explanation of reference numerals in the attached figures:
[0020] 1. Steel; 2. Inner packaging layer; 3. Outer packaging layer; 4. Rust inhibitor; 5. Plastic corner protectors; 6. Straps. Detailed Implementation
[0021] Preferred embodiments of the present invention will now be described in more detail. While preferred embodiments of the present invention are described below, it should be understood that the present invention can be implemented in various forms and should not be limited to the embodiments set forth herein. Rather, these embodiments are provided to make the present invention more thorough and complete, and to fully convey the scope of the present invention to those skilled in the art.
[0022] like Figure 1 As shown, this utility model provides a steel packaging structure, including:
[0023] The inner packaging layer 2 and the outer packaging layer 3 are sequentially wrapped around the outside of the steel material 1. The inner packaging layer 2 and the outer packaging layer 3 respectively include a foam film and a foam board, and the thickness of the foam board is greater than the thickness of the foam film.
[0024] Specifically, to address the problems of numerous packaging layers, complex forms, and low packaging efficiency in existing technologies for steel materials 1, the steel material 1 packaging structure provided by this utility model adopts an inner packaging layer 2 and an outer packaging layer 3 that are sequentially wrapped around the outside of the steel material 1. The inner packaging layer 2 and the outer packaging layer 3 respectively include a thin foam film and a thick foam board. The inner packaging layer can provide cushioning and barrier protection for the steel material 1, while the outer packaging layer 3 provides anti-damage and cushioning protection for the inner packaging layer 2 and also plays a cushioning and protection role for the steel material 1. This steel material 1 packaging structure has only two packaging layers, forming a simplified packaging structure. While ensuring barrier, cushioning, and protection functions, it reduces the number of packaging layers and packaging forms, thereby improving packaging efficiency.
[0025] Optionally, a desiccant and / or rust inhibitor 4 may be provided between the inner packaging layer 2 and the steel 1.
[0026] Specifically, auxiliary materials with moisture-absorbing and rust-preventing functions can be placed between the inner packaging layer 2 and the steel 1, such as bagged desiccant and / or bagged rust inhibitor 4. By placing the desiccant and / or rust inhibitor 4 between the inner packaging layer 2 and the steel 1, active moisture-proof and / or rust-proof protection functions can be provided to the steel 1, improving the overall rust-proof protection effect of the packaging and reducing the risk of steel plate corrosion.
[0027] Optionally, a desiccant and / or rust inhibitor 4 may be provided between the outer packaging layer 3 and the inner packaging layer 2.
[0028] Specifically, auxiliary materials with moisture-absorbing and rust-preventing functions can be placed between the outer packaging layer 3 and the inner packaging layer 2, such as bagged desiccant and / or bagged rust inhibitor 4.
[0029] Optionally, the inner packaging layer 2 includes a foamed film, a first adhesive layer and a first plastic woven fabric arranged in sequence to form a reinforced foamed film of all-plastic material.
[0030] Specifically, the inner packaging layer 2 is an enhanced foam film. The enhanced foam film is formed by connecting the first plastic woven fabric with the first adhesive layer formed in the plastic molten state on the back side of the plastic foam film away from the steel 1 to form an integrated structure. This not only enhances the strength, but also makes the whole thing a plastic material, which is convenient for direct recycling. Unlike paper-based composite protective layers, it does not need to be separated during recycling. It is a green, carbon-reducing, and environmentally friendly packaging layer.
[0031] Optionally, the outer packaging layer 3 includes a foam board, a second adhesive layer, and a second plastic woven fabric arranged sequentially to form a reinforced foam board of all-plastic material.
[0032] Specifically, the outer packaging layer 3 is an enhanced foam board. The enhanced foam board is connected to the second plastic woven fabric on the back side of the plastic foam board away from the steel 1 through a second adhesive layer formed in the plastic molten state to form an integrated structure. This not only enhances the strength, but also makes the whole thing a plastic material, which is convenient for direct recycling. Unlike paper-based composite protective layers, it does not need to be separated during recycling. It is a green, carbon-reducing, and environmentally friendly packaging layer.
[0033] Optionally, the desiccant is a bagged desiccant, and the rust inhibitor 4 is a bagged rust inhibitor 4.
[0034] Specifically, the auxiliary materials with moisture-absorbing and rust-preventing functions can be bagged desiccants and bagged rust inhibitors, which have bagged packaging and are non-corrosive to metals.
[0035] Optionally, the thickness of the foamed film is 90-150 μm, and the density of the foamed film is 0.4-0.8 g / cm³. 3 .
[0036] Specifically, the foamed film can have a thickness of 90-150μm and a density of 0.4-0.8g / cm³. 3 The first adhesive layer can be a polyethylene or polypropylene foam film with a basis weight of 15g-25g, which uses its molten adhesive properties to bond the foam film to the first plastic woven fabric.
[0037] Optionally, the thickness of the foamed board is 0.5-2mm, and the density of the foamed board is 0.4-0.8g / cm³. 3 .
[0038] Specifically, foamed board can be understood as a thicker foam film. Foamed board can have a thickness of 0.5-2mm and a density of 0.4-0.8g / cm³. 3 The first layer is a polyethylene or polypropylene foam film, and the second adhesive layer can be a polyethylene film or polypropylene film with a basis weight of 15g-25g. The foam board is bonded to the second plastic woven fabric by utilizing the adhesive properties of the film in its molten state.
[0039] Optionally, it also includes plastic corner protectors 5, which are disposed on the outside of the outer packaging layer 3.
[0040] Specifically, the plastic corner protectors 5 can further protect the edges and corners of the steel 1, effectively reducing the risk of packaging damage due to squeezing or bumping during storage and transportation.
[0041] Optionally, it also includes straps 6, which are strapped to the outside of the plastic corner protectors 5.
[0042] Specifically, the straps 6 secure the plastic corner protectors 5 inside, ensuring the integrity of the steel packaging structure 1.
[0043] In this embodiment, as Figure 1 As shown, when using the steel material packaging structure, taking a galvanized steel box sheet from a steel plant in East China with specifications of 1.5m*1m*0.5m as an example, the above-mentioned steel material packaging structure is made of all-plastic material. Considering the overall requirements for rust prevention, cushioning, and protection, the inner packaging layer 2 uses reinforced foam film to wrap the entire box sheet, overlapping at the top and continuously fixed with tape. Inside the inner packaging layer 2 on the sides of the box sheet, there are bags of rust inhibitor 4, with a fixed amount of 25g / bag, and 2-4 bags are placed on each side. The outer packaging layer 3 is made of reinforced foam board to wrap the entire box sheet, overlapping at the top and continuously fixed with tape. Plastic corner protectors 5 are placed outside the reinforced foam board at the edges of the box sheet for edge and corner protection, and are secured with straps 6. Upon opening the package, the galvanized steel sheet surface shows no discoloration, rust, damage, or other defects, and the inner packaging layer 2 and outer packaging layer 3 are undamaged.
[0044] In another embodiment, taking the packaging of a stainless steel coil from a steel plant in North China as an example, the coil weighs approximately 15 tons, has an outer diameter of 1.6m, an inner diameter of 0.508m, and a plate width of 1.3m. The above-mentioned material is packaged using an all-plastic packaging structure. Considering overall rust prevention, cushioning, and protection requirements, the inner packaging layer 2 uses reinforced foam film for integral wrapping, with overlapping areas secured by tape. Bags of fast-acting desiccant (25g / bag) are placed inside the inner packaging layer 2 on the sides of the steel plate, with four bags placed on each side. The outer packaging layer 3 uses reinforced foam board for packaging, and plastic corner protectors 5 are installed on the sides of the steel coil to protect the corners, and it is then secured with straps 6. Upon opening the package, the stainless steel surface is free of rust, damage, or other defects, and both the inner packaging layer 2 and the outer packaging layer 3 are undamaged.
[0045] The various embodiments of the present invention have been described above. These descriptions are exemplary and not exhaustive, nor are they limited to the disclosed embodiments. Many modifications and variations will be apparent to those skilled in the art without departing from the scope and spirit of the described embodiments.
Claims
1. A steel material packaging structure characterized by comprising: include: An inner packaging layer and an outer packaging layer are sequentially wrapped around the outside of the steel. The inner packaging layer and the outer packaging layer respectively include a foam film and a foam board, and the thickness of the foam board is greater than the thickness of the foam film.
2. The steel material packaging structure according to claim 1, characterized by A desiccant and / or rust inhibitor are placed between the inner packaging layer and the steel.
3. The steel material packaging structure according to claim 1, characterized by A desiccant and / or rust inhibitor are disposed between the outer packaging layer and the inner packaging layer.
4. The steel material packaging structure according to claim 1, characterized by The inner packaging layer includes the foamed film, the first adhesive layer and the first plastic woven fabric arranged in sequence to form a reinforced foamed film of all-plastic material.
5. The steel material packaging structure according to claim 1, wherein The outer packaging layer includes the foam board, the second adhesive layer, and the second plastic woven fabric arranged in sequence to form a reinforced foam board of all-plastic material.
6. The steel material packaging structure according to claim 2 or 3, characterized by The desiccant is a bagged desiccant, and the rust inhibitor is a bagged rust inhibitor.
7. The steel material packaging structure according to claim 1, characterized by The thickness of the foamed film is 90-150 μm, and the density of the foamed film is 0.4-0.8 g / cm³. 3 .
8. The steel packaging structure according to claim 1, characterized in that, The thickness of the foamed board is 0.5-2mm, and the density of the foamed board is 0.4-0.8g / cm3.
9. The steel material packaging structure according to claim 1, wherein It also includes plastic corner protectors, which are disposed on the outside of the outer packaging layer.
10. The steel material packaging structure according to claim 9, characterized by It also includes straps that are tied to the outside of the plastic corner protectors.