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Integrated method for treating and utilizing refuse

A comprehensive method and technology of waste treatment, which is applied in the comprehensive field of waste treatment and utilization, can solve problems such as secondary pollution and global warming, and achieve the effects of reducing emissions, high resource utilization, and high environmental protection significance

Inactive Publication Date: 2011-08-10
洪一兵
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

However, due to the large amount of carbon dioxide and harmful smoke generated during the incineration process, since carbon dioxide is a greenhouse gas, excessive emissions on the earth will strengthen the greenhouse effect and cause global warming; harmful smoke will cause secondary pollution

Method used

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  • Integrated method for treating and utilizing refuse

Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0049] The transported garbage is firstly sorted, and useful substances such as metal, glass, waste paper and plastic are screened out, stored for later use, and then soaked to make the moisture content of the garbage lower than 60% and the calorific value is high At 3000kj / kg.

[0050] The rubbish after leaching water enters the incinerator from the top of the incinerator through the hoist, sprays the adsorbent prepared by the weight percentage composition of Example 1 in Table 1 to form an adsorption layer, and the smoke and dust are absorbed by the adsorption layer and fall back to the combustion layer for burning. exhausted, so that the exhaust gas is in a white mist state. Combustion-supporting air enters from the bottom of the furnace and the periphery of the bottom of the furnace. Incinerate at a furnace temperature of 1200°C to completely decompose dioxin, and the amount of garbage incinerated is 80%. The exhaust gas is discharged into the purifier from the side of t...

Embodiment 2

[0054] The adsorbent used is prepared from the weight percent components of Example 2 in Table 1, the incineration temperature is 1300° C., and the incineration amount of garbage is 85%. Other processes are the same as in Embodiment 1, and will not be repeated.

Embodiment 3

[0056] The adsorbent used is prepared from the weight percent components of Example 3 in Table 1, the incineration temperature is 1500°C, and the amount of garbage incineration is 90%. Other processes are the same as in Embodiment 1, and will not be repeated.

[0057] Table 1: The weight percent composition of the adsorbent that embodiment 1-3 adopts

[0058]

[0059] SO in the harmful gas after the garbage is comprehensively treated by the present invention 2 Less than 5.6mg / m 3 , HCl below 56mg / m 3 , HF less than 1mg / m 3 , NOx lower than 35mg / m 3 , CO emissions are zero. The residual amount of Hg in heavy metal elements is zero, and the residual amount of cadmium is less than 1×10 -4 mg / m 3 , the residual amount of lead is less than 1×10 -3 mg / m 3 , dust below 5.3mg / m 3 , the Ringelmann level of blackness is level 1, and there is no secondary pollution to the environment. Moreover, 1 ton of garbage can produce about 400 kilograms of carbon dioxide after inciner...

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Abstract

The invention provides an integrated method for treating and utilizing refuse, belonging to the technical field of environmental protection and solving the problem that excessive greenhouse gases and harmful soot generate in the traditional refuse treatment process. The integrated method for treating and utilizing refuse comprises the following steps of: A. refuse burning; B. treatment of acid gases and heavy metal components; and C. the utilization of carbon dioxide. The integrated method for treating and utilizing refuse ensures that the refuse is thoroughly burnt, has high utilization rateof waste gases and reduces the emission of greenhouse gases such as carbon dioxide.

Description

technical field [0001] The invention relates to a garbage treatment method, in particular to a comprehensive method for garbage treatment and utilization, and belongs to the technical field of environmental protection. Background technique [0002] Garbage is solid waste generated in human daily life and production. Due to the large amount of discharge and complex and diverse components, it brings difficulties to treatment and utilization. If it cannot be disposed of in time or improperly disposed of, it will pollute the environment and affect environmental sanitation. The purpose of garbage disposal is harmless, resourceful and reduction. The waste disposal methods widely used today are sanitary landfill, composting and incineration. [0003] Among them, sanitary landfill occupies a large area, and site selection is difficult. Topography, geological conditions, and prevention of surface water and groundwater pollution must be considered. Moreover, the landfill location is...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): F23G5/02C01B31/24C02F3/28B01D53/40B01D53/62C01B32/60
CPCY02E20/34Y02E50/30Y02P20/151
Inventor 许春桂洪一兵
Owner 洪一兵
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