System and method for treating organic solid waste in villages and towns

A technology for organic solid waste and villages and towns, which is applied in the field of systems for treating organic solid wastes in villages and towns, can solve problems such as non-point source pollution in rural living, and achieve the effects of improving drying efficiency, large porosity, and large specific surface area.

Pending Publication Date: 2020-06-09
北京云水浩瑞环境科技有限公司
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Problems solved by technology

According to the survey, in 2011, China's rural domestic waste generated about 200 million tons, which has exceeded the sum of 660 urban domestic waste disposal, and at present, most towns and towns in the country do not hav

Method used

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  • System and method for treating organic solid waste in villages and towns
  • System and method for treating organic solid waste in villages and towns
  • System and method for treating organic solid waste in villages and towns

Examples

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[0090] Example

[0091] After crushing the domestic garbage (50wt% moisture content), mix it with livestock manure (80wt% moisture content) and sludge (80wt% moisture content) in a ratio of 3:1:1, and mix in the mixer The mixed organic solid waste is uniformly obtained, and the obtained mixed organic solid waste is sent to the dryer through a screw conveyor, and the first drying hot air (temperature is 380°C) is supplied to the inner tube of the dryer, and the second drying hot air ( The temperature is 380℃) is supplied to the heating space of the dryer, that is, the first dry hot air and the organic solid waste in the inner cylinder of the dryer are directly heated, and the second dry hot air and the organic solid waste in the inner cylinder of the dryer are indirectly heated , And finally obtain the dry material with the moisture content reduced to 19.7% by weight. The second dry hot air will become dry cold air (temperature 220℃) after heat exchange, and the second dry hot air...

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Abstract

The invention discloses a system and a method for treating organic solid wastes in villages and towns. The system comprises a pretreatment unit, a dryer and a pyrolyzer. The dryer comprises a dryer inner barrel, a dryer outer barrel and a dryer inner pipe. The end, extending into the dryer inner barrel, of the dryer inner pipe is open, a first dry hot air inlet is formed in the other end of the dryer inner pipe, the dryer outer barrel is arranged on the dryer inner barrel in a sleeving mode, and a second dry hot air inlet and a dry cold air outlet are formed in the dryer outer barrel. The pyrolyzer comprises a pyrolyzer inner barrel, a pyrolyzer outer barrel and a pyrolyzer inner pipe. A high-temperature hot air inlet and a hot air outlet are formed in the pyrolyzer outer barrel. The pyrolyzer inner pipe extends into the pyrolyzer inner barrel from the kiln tail of the pyrolyzer and penetrates through the kiln head of the pyrolyzer. A hot air inlet is formed in the end, close to the kiln tail of the pyrolyzer, of the pyrolyzer inner pipe, a dry distillation cold air outlet is formed in the end, close to the kiln head of the pyrolyzer, of the pyrolyzer inner pipe, and the dry distillation cold air outlet is connected with the first dry hot air inlet and the second dry hot air inlet.

Description

technical field [0001] The invention belongs to the technical field of solid waste treatment, and in particular relates to a system and method for treating organic solid waste in villages and towns. Background technique [0002] With the rapid advancement of China's agricultural modernization, the rapid development of township industrialization, and the continuous expansion of new urbanization, earth-shaking changes have been brought about in rural development, agricultural production, and farmers' lives. However, rural environmental problems are also becoming increasingly prominent. According to the survey, in 2011, China's rural domestic waste generated about 200 million tons, which has exceeded the sum of 660 urban domestic waste disposal, and at present, most towns and towns in the country do not have environmental protection infrastructure, and most of the administrative villages have environmental pollution control. It is in a blank state, which has led to more and mo...

Claims

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Application Information

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IPC IPC(8): C10G1/00
CPCC10G1/00
Inventor 刘维娜兰玉顺姜铁斌王丹
Owner 北京云水浩瑞环境科技有限公司
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