Garbage treating and utilizing process for small town

A waste disposal and recycling technology, which is applied in the field of waste disposal and recycling technology in small towns, can solve the problems that threaten the health of the people, do not have the scale of incineration power generation, and have large investment in sanitary landfill, so as to improve the fuel structure of residents, The effect of reducing the difficulty of garbage disposal and reducing operating costs

Inactive Publication Date: 2006-11-08
薛占何
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Problems solved by technology

Therefore, due to the small amount of garbage in small towns, it does not have the scale of incineration for power generation; the content of coal ash in the garbage is too large, and the content of organic matter is not suitable for composting; and sanitary landfills require a large investment and occupy a lot of land. It can be seen that the urban garbage treatment method is not suitable. small town
The existing treatment methods of small town garbage in my country mainly include: one is simple landfill, which is ba

Method used

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  • Garbage treating and utilizing process for small town

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Embodiment Construction

[0012] The invention is composed of artificial sorting, incineration, biogas production and supporting sub-processes. The garbage entering the site is manually sorted, and the sorted recyclables are recycled; the sorted large pieces of construction waste and coal ash are landfilled; the sorted organic waste is crushed and sent to the automatic biogas digester for anaerobic fermentation , the generated biogas is desulfurized and pressurized for residents to use, and at the same time used for combustion in the incinerator. After being treated by the flue gas treatment system, it is discharged through the chimney. The hot water generated by the waste heat boiler is used for heating and heating up the biogas tank in winter. The ash generated after incineration is landfilled, and the fly ash is solidified and landfilled.

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Abstract

The garbage treating and utilizing process for small town consists of the steps of manual sorting, incinerating, marsh gas production, etc. The sorting step separates out recyclables, building refuse and cinder to be land filled, and organic refuse to be crushed and anaerobically fermented in marsh gas pond, and rest part to be incinerated in the incinerating furnace. The fermentation step produces marsh gas for burning in the incinerating furnace and providing fuel gas outside and marsh gas residue to be dewatered to produce organic fertilizer. The incinerating furnace produces high temperature fume with heat further utilized, and cinder and fly ash to be land filled.

Description

technical field [0001] The invention relates to a technology for harmless treatment and resource utilization of small town garbage. It is a process technology for sorting and classifying waste in my country's small towns with small output, wide distribution, and complex components, so as to achieve recycling of recyclables, incineration of combustibles, fermentation of organic matter to produce biogas, and landfill of inorganic waste. Background technique [0002] At present, the treatment of urban waste in my country mainly includes sanitary landfill, incineration for power generation, composting and other methods. Since the population of small towns is generally between 20,000 and 50,000, and the largest small town has a population of about 100,000, the daily output of garbage is within 100 tons. Moreover, the sources of waste in small towns mainly include the following aspects, one is domestic waste from residents, the other is a certain amount of construction waste mixe...

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Application Information

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IPC IPC(8): B09B3/00F27D17/00
CPCY02W30/58
Inventor 薛占何
Owner 薛占何
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