Production method of environment protective coal regenerated from garbage
A production method and waste technology, which are applied in the field of waste-friendly recycled coal production, can solve the problems of waste of waste combustible calorific value, waste of land resources required for landfill, secondary pollution, etc., so as to reduce waste disposal costs and equipment investment costs. , The effect of saving raw coal energy and preventing secondary pollution
Inactive Publication Date: 2009-05-27
WUXI SHUAISHIJIE ENVIRONMENTAL PROTECTION TECH DEV
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Problems solved by technology
[0002] Most of the current domestic waste treatment in our country adopts landfill, incineration, sorting and composting treatment methods. The main disadvantages of the above treatment methods are: 1) Landfill method: the original waste is collected in the other side or directly buried in the soil, which wastes a lot of landfill. Land resources required for burial, garbage seepage seriously pollutes the environment, wasting the combustible calorific value of garbage
2) Incineration method: use a large amount of raw coal and raw garbage to mix and incinerate; the overall input is large, the processing cost is high, waste of resources and easy to cause secondary pollution
3) Sorting and composting treatment method: separate organic and inorganic waste from primary waste, make organic waste into crop fertilizers, and recycle inorganic metal objects; glass and bricks are used as brick materials; rubber and plastic are recycled; equipment Large investment, difficult resource utilization, and difficult implementation
4) Sorting and recycling: Classify the garbage according to recyclable and non-recyclable and set up garbage bins; the adaptability is narrow, it is easy to cause secondary pollution, high processing cost, and poor utilization rate
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[0021] A kind of rubbish environmental protection regeneration coal production method as shown in Figure 1, comprises the following steps:
[0022] (1) Dehydration treatment: the treated garbage is dehydrated by double-roll extrusion, and the moisture content of the dehydrated garbage is about 50%;
[0023] (2) Remove heavy objects: separate soft waste from heavy objects including glass, bricks or metal objects;
[0024] (3) Magnetic separation treatment: the soft garbage is subjected to a first-level magnetic separation treatment, and the ferrous metal in the garbage is selected to the greatest extent
[0025] (4) Crushing: crush the soft garbage after magnetic separation, and the particle size is less than 5mm;
[0026] (5) Secondary dehydration: the waste material is sent to the screw extruder for extrusion dehydration, and the moisture is about 30%;
[0027] (6) Mixed materials: mix garbage materials and additives according to the weight ratio of 70-95:30-5, and stir and...
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Abstract
The invention discloses a method for producing a refuse environment-friendly renewable coal, which comprises a series of processes: dehydration, heavy object removal, magnetic separation, smashing, secondary dehydration, material mixing, secondary magnetic separation, and produced coal drying. The method converts household refuse in cities and towns into renewable resources, saves raw coal energy sources, achieves the industrialization of the household refuse renewable resources, and greatly reduces environment pollution.
Description
technical field [0001] The invention relates to a method for producing garbage environment-friendly regenerated coal. Background technique [0002] Most of the current domestic waste treatment in our country adopts landfill, incineration, sorting and composting treatment methods. The main disadvantages of the above treatment methods are: 1) Landfill method: the original waste is collected in the other side or directly buried in the soil, which wastes a lot of landfill. Land resources required for burial, garbage seepage seriously pollutes the environment, wasting the combustible calorific value of garbage in vain. 2) Incineration method: use a large amount of raw coal and raw garbage to mix and then incinerate; the overall input is large, the processing cost is high, waste of resources and easy to cause secondary pollution. 3) Sorting and composting treatment method: separate organic and inorganic waste from primary waste, make organic waste into crop fertilizers, and recyc...
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IPC IPC(8): C10L5/46
CPCY02E50/30Y02E50/10
Inventor 唐志刚
Owner WUXI SHUAISHIJIE ENVIRONMENTAL PROTECTION TECH DEV