Environment-friendly comprehensive treatment method for household garbage and waste oil and fat

A comprehensive treatment and domestic waste technology, applied in the petroleum industry, solid waste removal, special form of dry distillation, etc., can solve the problems of lagging development of recycling and treatment capacity and level, weak domestic waste treatment technology, and affecting the living quality of residents, etc. Achieve the effect of low cost, high recovery rate and increased value

Active Publication Date: 2013-05-22
陈丰
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0003] In recent years, the country has attached great importance to environmental protection issues, and has made great progress in the prevention and control of domestic waste and sewage. However, while the output of urban waste in my country continues to increase, the development of domestic waste classification, recycling and treatment

Method used

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  • Environment-friendly comprehensive treatment method for household garbage and waste oil and fat
  • Environment-friendly comprehensive treatment method for household garbage and waste oil and fat

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Experimental program
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Effect test

Embodiment 1

[0026] combined reference figure 2 As shown, the domestic garbage and waste oil environmental protection comprehensive treatment method of the present invention comprises steps:

[0027] Step S1: After sorting the domestic waste, it is broken into waste particles with a particle size of 1-2 cm by a tooth crusher, and transported to the feeding hopper by a screw conveyor;

[0028] Step S2: On the one hand, the garbage particles are transported to the desiccant group through a sealed screw conveyor, and the crusher is connected to the drying unit through a pipeline; under normal pressure, the pre-pyrolysis temperature is 100-400°C, and the pyrolysis time is 1 ~3 hours, the flammable gas produced by the reaction is directly injected into the hot blast stove for combustion;

[0029] The tail gas produced after drying is discharged into the cooling scrubber, which is connected to the three-phase separator, in which, the hot water coming out is connected to the water treatment sys...

Embodiment 2

[0036] The environmental protection comprehensive treatment method of domestic garbage and waste oil of the present invention further comprises the steps of:

[0037] Step S1: After sorting the domestic waste, it is broken into waste particles with a particle size of 1-2 cm by a tooth crusher, and transported to the feeding hopper by a screw conveyor;

[0038] Step S2: On the one hand, the garbage particles are transported to the desiccant group through the sealed screw conveyor, and sent to the pre-pyrolysis device (drying unit) through the sealed screw conveyor for preliminary drying; the pre-pyrolysis device is an external heat Type piston propulsion machine, scraper machine or screw conveyor, under normal pressure, the pre-pyrolysis temperature is 200-300 ℃, the pyrolysis time is 1.5 hours, and the oil, gas and carbon residue produced by the reaction are discharged separately;

[0039] Step S3: On the other hand, the liquid garbage is divided into two parts by the oil-wate...

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Abstract

The invention discloses an environment-friendly comprehensive treatment method for household garbage and waste oil and fat. The method comprises the following steps of: (1) sorting the household garbage, breaking the household garbage into garbage particles through a breaking machine, and conveying the garbage particles to a feeding hopper through a spiral transmitting machine; (2) carrying out the procedures of pre-heating, drying and dry distillation on the garbage particles to obtain charcoal through a sealed spiral conveying machine; (3) separating part of waste oil and fat into two parts through an oil and water separating system, and burning one part of waste oil and fat as fuel through a hot blast stove so as to perform drying and dry distillation on the garbage and convert the garbage into charcoal; and (4) treating the other part of wastewater through a biochemical wastewater treatment system, and discharging the processed wastewater reaching the standard. The comprehensive treatment method disclosed by the invention is a hazard-free, reducing and recycling technology for the household garbage, is free from pollution in processing, low in cost, good in practicability and high in operability, and has remarkable social and economic benefits.

Description

technical field [0001] The invention relates to the technical field of environmental protection utilization of waste, in particular to an environmental protection comprehensive treatment method for domestic garbage and waste oil. Background technique [0002] Household garbage refers to solid waste generated in daily life or activities that provide services for daily life and solid waste that is regarded as domestic garbage according to laws and administrative regulations. Garbage sieges the city, and landfills occupy a lot of places, causing secondary pollution, and burning produces highly toxic dioxins and secondary pollution. According to the latest survey by relevant departments, more than 76% of the residents' families are leftovers, leftovers, vegetable leaves, Fruit peels and other kitchen waste, followed by plastic cans and garbage bags. [0003] In recent years, the country has attached great importance to environmental protection issues, and has made great progres...

Claims

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Application Information

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IPC IPC(8): B09B3/00B09B5/00C10B53/00C10B49/02C10B57/10
Inventor 陈丰丘国强郭志勇
Owner 陈丰
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