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System and method for disposing house refuse

A technology for domestic garbage and garbage charcoal, which is applied in chemical instruments and methods, transportation and packaging, and solid waste removal, etc., can solve the problems of complex water quality of landfill leachate, high cost, and difficulty in leachate treatment.

Inactive Publication Date: 2017-02-15
SHENWU TECH GRP CO LTD
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

Landfill leachate water quality is complex, containing a variety of toxic and harmful inorganic and organic substances
Usually, the incinerator is used to spray back the landfill leachate, but the direct spraying of the leachate consumes a lot of heat, and the treatment of the leachate is difficult and expensive

Method used

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  • System and method for disposing house refuse
  • System and method for disposing house refuse
  • System and method for disposing house refuse

Examples

Experimental program
Comparison scheme
Effect test

Embodiment

[0102] refer to Figure 13 , supply 100t / d domestic waste to the stockpiling device for stockpiling treatment, and obtain 15t / d landfill leachate, 19t / d inorganic solids and 66t / d pretreated domestic waste; pretreated domestic waste obtained above Supply to the regenerative gas radiant tube rotary hearth furnace for pyrolysis treatment to obtain high-temperature oil gas and garbage charcoal with a temperature of 800 degrees Celsius; supply the above-mentioned garbage charcoal and the above-mentioned garbage leachate to the screw discharger for heat exchange treatment to obtain 7 tons of water vapor with a vaporization temperature of about 110 degrees Celsius, wet garbage charcoal adsorbed with 5 tons of garbage leachate, and 3 tons of leachate mixed with garbage charcoal at about 90 degrees Celsius; the above leachate mixed with garbage charcoal is supplied to the filter device Carry out filtration treatment to obtain filter carbon and filtrate; supply the above-mentioned obta...

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Abstract

The invention discloses a system and method for disposing house refuse. The system comprises a stockpiling device, a rotary hearth furnace, a spiral discharging machine, a smashing device and a cooling tower. The stockpiling device is provided with a house refuse inlet, a refuse percolate outlet and an outlet of house refuse after pretreatment; the rotary hearth furnace is provided with an inlet of house refuse after pretreatment, a high-temperature oil and gas outlet and a refuse carbon outlet; the spiral discharging machine is provided with a refuse percolate inlet, a refuse carbon inlet, a water steam outlet, a wet refuse carbon outlet and a percolate outlet mixed up with the refuse carbon; the smashing device is provided with a wet refuse carbon inlet and a refuse carbon powder outlet; the cooling tower is provided with a refuse carbon powder inlet, a high-temperature oil and gas inlet, a dry refuse carbon outlet and a water-contained oil and gas outlet; by the adoption of the system, organic volatile matter in percolate can be recycled while high-temperature oil and gas and refuse carbon are cooled, and therefore resource utilization of the house refuse is achieved.

Description

technical field [0001] The invention belongs to the field of resource recovery and reuse, in particular, the invention relates to a system and a method for processing household garbage. Background technique [0002] Patent application number 201110372346.0 discloses a regenerative gas radiant tube rotary hearth furnace domestic waste carbonization method. In this method, the waste is anaerobically heated to 400-700 degrees Celsius in the rotary hearth furnace to generate high-temperature oil gas and waste charcoal. Among them, the cooling method of high-temperature oil gas and garbage charcoal is usually directly sprayed and cooled by circulating water, which makes it impossible to recover the waste heat of high-temperature oil gas and garbage charcoal, resulting in energy waste. [0003] During the waste treatment and disposal process, in order to reduce the moisture content of the waste, it is usually necessary to stack the waste. During the stacking process, the garbage ...

Claims

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Application Information

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IPC IPC(8): B09B3/00B09B5/00
CPCB09B5/00B09B3/40
Inventor 陶进峰包欣欣王鹏飞贾懿曼肖磊吴道洪
Owner SHENWU TECH GRP CO LTD
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