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Three-layer rapid composting device and composting method by device

A three-layer structure and composting technology, which is applied in the direction of fertilization equipment, application, organic fertilizer, etc., can solve the problems of long composting cycle, odor pollution and fermentation efficiency, reduce purchase costs, improve fermentation efficiency, and reduce biological oxygen consumption and the effect of mechanical ventilation

Active Publication Date: 2015-12-30
HARBIN INST OF TECH
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0003] The purpose of the present invention is to solve the problems of long composting period, odor pollution and low fermentation efficiency in the above-mentioned film-covered composting, and provide a three-layer structure fast composting device and a method for composting using the device

Method used

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  • Three-layer rapid composting device and composting method by device

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specific Embodiment approach 1

[0019] Specific implementation mode one: combine figure 1 As shown, the rapid composting device of the present embodiment has a three-layer structure, which includes a trapezoidal cement base 1, a fan 2, a perforated air distribution pipe 3, a V-shaped leachate guide trough 4, a waterproof breathable membrane 5, and a leachate flow pipe 6 , leachate collection box 7; the bottom end of the trapezoidal cement base 1 is provided with a plurality of V-shaped leachate guide troughs 4 in parallel intervals, and the top plate of the V-shaped leachate guide trough 4 is provided with a perforated plate, and a perforated air distribution pipe is arranged inside it 3. One end of the V-shaped leachate guide trough 4 is connected to the inlet of the leachate guide pipe 6 , and the leachate collection box 7 is installed at the outlet of the leachate guide pipe 6 .

specific Embodiment approach 2

[0020] Embodiment 2: This embodiment differs from Embodiment 1 in that the trapezoidal cement base 1 has a length, width, and height of 3-60m×1.5-10m×0.01-0.1m. Other steps and parameters are the same as those in Embodiment 1.

specific Embodiment approach 3

[0021] Specific embodiment 3: The difference between this embodiment and specific embodiment 1 or 2 is that the length, width and height of the V-shaped leachate guiding trough 4 are 3-60m×0.1-1m×0.05-0.5m; The distance between the interval V-shaped leachate guiding channels is 0.2m-1m. Other steps and parameters are the same as those in Embodiment 1 or Embodiment 2.

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Abstract

A three-layer rapid composting device and a composting method by the device relate to a composting device and a composting method by the device. The invention aims to solve problems of long composting period, odor pollution and low fermentation efficiency that exist in an existing membrane-covered composting method. The device of the invention comprises a trapezoid cement base, a draught fan, a perforated feed pipe, a V-shaped percolate guiding chute, a waterproof and breathable membrane, a percolate draft tube and a percolate collecting box. the method of the invention comprises the following steps: 1, burden distribution: a fermentation material and a compost clinker are mixed and the mixture is placed at the bottom of the three-layer rapid composting device, the compost clinker is covered, and a waterproof and breathable membrane is covered; 2, fermentation for 7-20 days. According to the invention, the compost clinker and the fermentation material are mixed without adding a conditioner. Thus, purchase expense of a conditioner is reduced, composting period is shortened, and energy consumption is decreased. By changing ventilation direction, no energy is additionally added. In addition, fermentation efficiency is enhanced, and composting period can be remarkably shortened.

Description

technical field [0001] The invention relates to a fast composting device and a composting method using the device. Background technique [0002] Existing film-covered composting tanks blow the fermented material in the tank through the air blower from the air distribution pipe at the bottom of the material, and the fermentation waste gas overflows the fermentation bin from the expanded polytetrafluoroethylene membrane hole on the upper part of the material. First of all, because the pore size of the expanded polytetrafluoroethylene membrane is still larger than that of gas molecules, some odors such as ammonia and hydrogen sulfide can still pass through the expanded polytetrafluoroethylene membrane, causing air pollution to the surrounding environment of the fermentation chamber. Secondly, because the expanded polytetrafluoroethylene membrane intercepts a large amount of water vapor, the water vapor volatilizes slowly, so that the moisture content of the material after ferme...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): C05F17/02
CPCY02W30/40
Inventor 王科
Owner HARBIN INST OF TECH
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