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A technology of domestic waste and treatment method, which is applied in the method of disinfection or sterilization of waste, biofuel, waste fuel, etc., can solve the problems of leachate contamination of sanitary landfill groundwater, difficult discharge of sewage, and atmospheric pollution.
Inactive Publication Date: 2011-03-16
袁小林
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Problems solved by technology
Sanitary landfill occupies a large area. Due to the inaccurate separation of domestic waste in my country and the landfill of a large amount of organic matter and batteries, the leachate of sanitary landfills pollutes groundwater. The anti-seepage and collection and treatment technologies are difficult, and the treated sewage is also difficult. Standard discharge; high-temperature composting emits a large amount of stench, which leads to a large number of mosquitoes and flies, which seriously pollutes the air and the environment; incineration often causes air pollution and the recyclable components in the garbage cannot be recycled, resulting in waste of resources
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Embodiment 1
[0027] A method for disposing of domestic waste, comprising the steps of:
[0028] (1) Magnetic separation: use magnetic separation equipment to conduct magnetic separation of household garbage, and remove iron objects from household garbage;
[0029] (2) High-temperature drying and sterilization: send the garbage after magnetic separation into a high-temperature drying and sterilization device at 80-200°C for high-temperature drying and sterilization;
[0030] (3) Add chemical additives: add the following dry powder chemical additives in parts by weight to the dried and sterilized garbage;
[0036] Described potassium perchlorate, waste lubricating oil are calculated by total amount, and others are calculated by weight ratio of rubber...
Embodiment 2
[0042] According to the steps of Example 1, the difference is that the dry powder chemical additives described in step (3) are calculated in parts by weight:
[0048] The potassium permanganate and waste lubricating oil are calculated by the total amount, and others are calculated by the weight ratio of rubber, plastic and nylon in the garbage.
[0049] The garbage charcoal produced by this method is tested: the average toxic equivalent of dioxins produced during combustion is 0.06ngTEQ / m3, meeting the limit requirements in the "Pollution Control Standards for Domestic Waste Incineration" (GB / T 18485-2001) (1.0 ngTEQ / m3). The burning calorie of garbage charcoal is 2480 calories / kg, and the residue after burning meets the requirement...
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Abstract
The invention discloses a household garbage treatment method and a household garbage treatment device. The method comprises the following steps of: (1) performing magnetic separation, performing magnetic separation on household garbage by using magnetic separation equipment so as to remove ironware from the household garbage; (2) drying and sterilizing at high temperature: introducing the garbage subjected to magnetic separation into a high-temperature drying and sterilizing device at the temperature of between 80 and 200 DEG C for drying and sterilizing at high temperature; (3) adding a chemical aid: adding a dry powder chemical aid into the dried and sterilized garbage; (4) crushing: crushing the garbage in the step (3) by using a crusher; (5) stirring: uniformly stirring the garbage in the step (4) by using a stirrer; and (6) performing hot-pressing to form garbage carbon: performing hot-pressing on the garbage treated in the step (5) to form the garbage carbon by using hot pressing equipment. The household garbage treatment method has the advantages that: sewage pollution, odor pollution, animal pollution such as flies and bacterial pollution are avoided; the garbage is treated to become new energy; and the aims of harmless garbage treatment, recycling of garbage, and reduction of garbage are fulfilled.
Description
technical field [0001] The invention relates to the technical field of domestic waste treatment, in particular to a domestic waste treatment method and device thereof. Background technique [0002] Garbage disposal is to quickly remove garbage, and conduct harmless treatment, and finally make reasonable use of it. The garbage disposal methods widely used today are sanitary landfill, high temperature composting and incineration. Sanitary landfill occupies a large area. Due to the inaccurate separation of domestic waste in my country and the landfill of a large amount of organic matter and batteries, the leachate of sanitary landfills pollutes groundwater. The anti-seepage and collection and treatment technologies are difficult, and the treated sewage is also difficult. Emissions up to the standard; high-temperature composting emits a large amount of stench, causing a large number of mosquitoes and flies to multiply, seriously polluting the air and the environment; incineratio...
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