Multilayer Drip Irrigation Pipe With a Biodegradable Core
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Solution Overview
Problem
Agricultural irrigation systems, particularly drip irrigation pipes, pose an environmental hazard due to their non-biodegradable and non-recyclable materials, which do not degrade quickly, leading to resource inefficiencies and disposal challenges.
Innovation Solution
Drip irrigation laterals with a multi-layered structure, where the core layer is made from biodegradable materials such as paper, pulp, and natural fibers, and the inner and outer layers are polymeric, allowing for water pressure reduction and eventual degradation, minimizing polymer use and enabling compostability.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Duration of action of stationary object
If ordinary polymeric materials are used for irrigation pipes, then the pipes have sufficient strength and durability during use, but they do not degrade quickly and become an environmental hazard after end of life
Solution Approach 1:
The pipe is divided into multiple layers with different functions: the inner and outer layers provide structural strength and water tightness during service, while the core layer is made of biodegradable material that degrades after use. This segmentation allows each layer to fulfill its specific role without compromising the overall performance or environmental compatibility.
Solution Approach 2:
The irrigation pipe uses a composite structure combining polymeric materials (inner and outer layers) with biodegradable materials (core layer). This composite approach enables the pipe to exhibit both the mechanical properties needed for durable service and the biodegradability required for environmental safety after disposal.
2Object-affected harmful factors
If biodegradable materials are used for the core layer, then the pipe can degrade after use, but the structural strength and water tightness may be compromised
Solution Approach 1:
Different layers of the pipe are assigned different material properties tailored to their specific functions. The inner and outer layers use polymeric materials with high strength and water tightness, while the core layer uses biodegradable materials. This local differentiation of material quality ensures that each region of the pipe structure contributes optimally to the overall performance.
Solution Approach 2:
The multi-layer composite structure combines materials with complementary properties: the polymeric outer and inner layers provide mechanical strength and water tightness, while the biodegradable core layer enables environmental degradation. The composite design allows the strengths of individual materials to complement each other rather than compromise.
3Loss of substance
If resources are invested in collecting and recycling ordinary irrigation pipes, then some material recovery is achieved, but the process is complex and not easily recyclable
Solution Approach 1:
The irrigation pipe is designed as a disposable product with a limited service life, after which it biodegrades naturally. This eliminates the need for complex collection, transportation, and recycling infrastructure. The biodegradable core layer breaks down into compostable materials, simplifying end-of-life management while reducing material loss to the environment.
Applied Scientific Principles
This section explains which scientific principles are used to turn an abstract innovation direction into a practical engineering solution.
Function Achieved in This Case
The solution allows for efficient water distribution in the form of droplets while ensuring the laterals can degrade, reducing environmental impact and facilitating recycling by using biodegradable materials that can break down over time.
Implementation Method 1
the core layer is made of a material selected from a group of materials consisting of paper, paper pulp, board, sawdust, wood, wood chippings, bamboo, bagasse, oil palm stem, popula, wood flour, fruit hull powder, moss, peat, mulch, grasses, straw, hay, cotton, starch, seeds, seed husks, silage, cereal and cereal husks, kernels, bread, flour, skin, feces, manure, dung, fish cartilage, leaves of various flora, bark of various flora, plant stems, seaweed and other naturally growing flora, bone, bone meal, vegetables, fruit, fiber, hair, fur, feathers, clay, shell, ash, rags, felt and other commercially produced fabrics and mixtures of any of the preceding materials
Data Source
AI summary
A multi-layered drip irrigation pipe wherein its core layer made from one of the materials selected from group of materials consisting of paper, paper pulp, board, sawdust, wood, wood chippings, bamboo, bagasse, oil palm stem, popula, wood flour, fruit hull powder, moss, peat, mulch, grasses, straw, hay, cotton, starch, seeds, seed husks, silage, cereal and cereal husks, kernels, bread, flour, skin, feces, manure, dung, fish cartilage, leaves of various flora, bark of various flora, plant stems, seaweed and other naturally growing flora, bone, bone meal, vegetables, fruit, fiber, hair, fur, feathers, clay, shell, ash, rags, felt and other commercially produced fabrics and mixtures of any of the preceding materials.