Vertical Gas Distribution Pipes for Compost Ventilation
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Solution Overview
Problem
Current gas distribution systems for aerobic composting are prone to blockages due to organic materials, leading to non-uniform ventilation, difficulty in cleaning, and reduced effectiveness.
Innovation Solution
A vertical gas distribution device with movable gas distribution branch pipes and a percolate tank, featuring tapered vent holes and percolate discharge holes, which utilizes an elevator mechanism to control pipe position and airflow for efficient gas circulation and discharge.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Reliability
If a holed pipe is inserted or pre-embedded into a compost heap for forced ventilation, then gas distribution is achieved, but the vent hole becomes blocked by organic materials resulting in non-uniform gas distribution and reduced ventilation effect
Solution Approach 1:
The gas distribution branch pipes are designed to be movable rather than fixed, allowing them to be raised to different heights based on compost heap decomposition stages. This dynamic adjustment prevents blockage by organic materials and maintains uniform gas distribution throughout the composting process
Solution Approach 2:
The gas distribution system is divided into multiple independent branch pipes that can be individually adjusted in height. This segmentation allows each pipe to be optimally positioned according to local conditions, preventing blockage and ensuring uniform gas distribution across different regions of the compost heap
2Reliability
If a gas distribution channel is pre-formed on ground for a fermentation tank, then gas distribution is achieved, but the pipe becomes completely blocked for long-term use due to falling of organic materials resulting in non-uniform local ventilation and difficult cleaning
Solution Approach 1:
The gas distribution branch pipes are designed to be movable and adjustable in height, allowing them to be raised above the compost material level to prevent blockage. This eliminates the need for cleaning operations and maintains long-term ventilation effectiveness without manual intervention
Solution Approach 2:
The gas distribution pipes are extracted from the traditional fixed ground-level position and raised to adjustable heights above the compost heap. This extraction prevents organic materials from blocking the pipes while maintaining effective gas distribution throughout the composting process
3Productivity
If traditional forced ventilation with fixed pipes is used, then gas distribution is achieved, but the ventilation effect is reduced due to obstructed pipe ventilation
Solution Approach 1:
The gas distribution branch pipes are equipped with elevation mechanisms that allow them to be dynamically adjusted to different heights based on compost heap decomposition stages. This dynamic positioning maintains optimal ventilation efficiency by preventing obstruction from organic materials throughout the entire composting process
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
Ensures stable, uniform, and long-term effective ventilation with reduced blockages, eliminating the need for manual intervention and minimizing energy consumption, while maintaining compost heap integrity.
Implementation Method 1
a bottom end of each gas distribution branch pipe is in communication with the percolate tank... air is drawn from an outside of the compost chamber into the air inlet in a negative pressure oxygen supply manner, and the air entering the percolate tank through the air inlet is then blown into each gas distribution branch pipe in a positive pressure oxygen supply manner
Implementation Method 2
each bottom ring being provided with a plurality of percolate discharge holes along its circumferential direction... the compost bin is in communication with the percolate tank through the plurality of vent holes and the plurality of percolate discharge holes of each gas distribution branch pipe
Data Source
AI summary
The present invention provides a vertical gas distribution device for aerobic compost and a gas distribution method. Current gas distribution pipelines are easily blocked by organic materials, resulting in poor ventilation due to non-uniform local ventilation and cleaning difficulties. The inventive device comprises a compost chamber, a compost bin, a compost heap, a percolate tank, and a plurality of gas distribution branch pipes at the bottom of the compost chamber, the pipes being vertically movable in the chamber; the percolate tank is positioned at the bottom of the chamber and under the pipes; an air inlet is provided on the side wall of the tank, and an outlet is provided on the side wall of the chamber; the compost bin is inside the compost chamber, and the compost heap is in the compost bin; each pipe is top sealed, with a plurality of vent holes on the side wall, and its bottom connected to the tank. The present invention is usable for compost ventilation.