In-ground Waste Collection System with Permeable Well Wall
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Solution Overview
Problem
Conventional waste collection systems, such as dumpsters, pose challenges including the need for users to lift waste high for disposal, difficulty in controlling access, and potential unauthorized dumping, as well as material degradation over time.
Innovation Solution
A waste collection system featuring a well assembly with a permeable well wall for drainage, a movable main receptacle body with a liner cavity, and a gravity lock mechanism for controlled access, allowing for easy emptying and preventing oversized items, while being made from durable materials like high-density polyethylene.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Ease of operation
If a conventional metal dumpster is used, then emptying is relatively easy, but users must lift waste high and may require ladders or stairways
Solution Approach 1:
The dumpster is repositioned from ground level to an elevated location, changing the vertical dimension of operation. The main receptacle body is supported above ground level by support legs or a support structure, allowing waste to be disposed of at a more convenient height while maintaining easy access through the well assembly design
2Reliability
If a conventional metal dumpster is used, then it is durable, but it may become dented and rusty over time
Solution Approach 1:
The dumpster employs composite construction with a liner assembly (including well liner and main receptacle liner) made from corrosion-resistant materials such as high-density polyethylene or stainless steel, combined with a support structure. This composite approach protects the structural components from rust and deterioration while maintaining strength and durability over extended service life
3Ease of operation
If access to the dumpster interior is not controlled, then it is easy to use, but unauthorized large waste items may be discarded
Solution Approach 1:
The lid assembly incorporates a slot opening with specific dimensional characteristics that allow small waste items to pass through while blocking large items. This localized quality control at the opening provides selective access - easy disposal for authorized small items while preventing unauthorized dumping of oversized items that cannot fit through the slot
4Productivity
If a well assembly with permeable well wall is used, then liquid drainage is improved, but the structure becomes more complex
Solution Approach 1:
The well wall is constructed with permeable or porous material that allows liquid waste to drain through it into the well below. This porous structure provides effective liquid drainage while maintaining a relatively simple overall well assembly design, eliminating the need for complex drainage systems
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 system facilitates easy waste disposal without the need for ladders, prevents unauthorized dumping, and maintains structural integrity and durability, reducing maintenance and operational costs.
Implementation Method 1
The well wall being at least partially permeable to permit liquid collected in the well to drain therefrom through the well wall
Data Source
AI summary
A waste collection system including a well assembly positioned at least partially below a reference surface, the well assembly having a base and a well wall at least partially positioned on the base. The well assembly also includes a well liner defining a liner cavity therein, positioned in a well defined in part by the well wall. The system also includes a main receptacle body having a main barrel portion and a head portion, the main receptacle body being at least partially receivable in the liner cavity, and the main receptacle body being movable by a moving device between a received condition, in which the main barrel portion is at least partially received in the liner cavity, and a removed condition, in which the main barrel portion is located outside the liner cavity. The main receptacle body defines a cavity therein in which waste is receivable.