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Aerobic composting device and aerobic composting method for organic solid waste

An organic solid, aerobic composting technology, applied in fertilization devices, organic fertilizers, organic fertilizer equipment, etc., can solve the problems of insufficient oxygen supply, low oxygen utilization rate, material agglomeration, etc. Oxygen efficiency, effect of large contact area

Active Publication Date: 2021-11-16
JIANGSU UNIV OF TECH
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  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0007] Both of the above two composting methods place the organic solid waste in the composting bin. This method of composting has the problems of uneven mixing of raw materials, insufficient oxygen supply, and low oxygen utilization rate.
[0008] In addition, as an improvement, some aerobic composting devices use stirring paddles to mix and supply oxygen to the compost, but this method is prone to material agglomeration and uneven mixing during the mixing process, and there is still insufficient oxygen supply problems, low oxygen utilization

Method used

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  • Aerobic composting device and aerobic composting method for organic solid waste
  • Aerobic composting device and aerobic composting method for organic solid waste

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Embodiment 1）

[0047] See figure 1 , the aerobic composting device for organic solid waste in this embodiment includes a compost bin 1, a grate feeding device 2, a screw extrusion dehydration discharging device 3, an oxygen supply device 4, a leachate circulating spray device 5, an exhaust The pipe 6 and the temperature measuring device 7; the grate feeding device 2 and the screw extrusion dehydration discharge device 3 are arranged inside the compost bin 1, and the grate feed device 2 is located below the screw extrusion dehydration discharge device 3.

[0048] The compost bin 1 includes a bin body 10 , a collection tank 11 , a leachate storage tank 12 , an inlet and outlet 13 , a bin door 14 and a discharge plate 15 . The outer peripheral surface of the warehouse body is provided with an insulating layer, for example covered with a layer of insulating material. The collecting tank 11 and the leachate storage tank 12 are arranged at the bottom of the bin body 10, the section of the collect...

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Abstract

The invention discloses an aerobic composting device and an aerobic composting method for organic solid waste, comprising a compost bin, a grate type feeding device, a screw extruding dehydration discharging device, an oxygen supply device, and leachate circulation spraying Device, exhaust pipe and temperature measuring device; the grate type feeding device and the screw extrusion dehydration discharge device are arranged inside the compost bin, and the grate type feed device is located below the screw extrusion dehydration discharge device. The aerobic composting device of the present invention adopts the combination structure of the grate feeding device and the screw extrusion dehydration discharging device, and the combination of the layer delivery feeding and the screw dehydration discharging plays an efficient and good turning effect, so that the materials are fully mixed It is uniform and makes the material loose. The loose material accelerates the combination of oxygen in the air and the substrate, and improves the oxygen supply efficiency.

Description

technical field [0001] The invention relates to a treatment device and method for organic solid waste, in particular to an aerobic composting device and a composting method for organic solid waste. Background technique [0002] Organic solid waste includes kitchen waste, sludge from urban sewage treatment plants, straw, landscaping waste, etc. In the past, landfill and incineration were the main ways to deal with organic solid waste. Landfill could easily pollute groundwater, while incineration would seriously pollute the atmosphere. [0003] Microbial aerobic composting means that aerobic bacteria absorb, oxidize, and decompose waste under aerobic conditions. Through their own life activities, microorganisms oxidize part of the absorbed organic matter into simple inorganic matter, and at the same time release the energy required for the growth of microorganisms, while the other part of the organic matter is synthesized into new cytoplasm, so that the microorganisms continu...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): C05F17/971C05F17/10
CPCC05F17/00C05F17/90Y02W30/40
Inventor 孔峰于斌张晓叶程洁红马闪闪
Owner JIANGSU UNIV OF TECH
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