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A technology for hydrolyzing acidification and kitchen waste, which is applied in chemical instruments and methods, fixed filter element filters, filtration and separation, etc. It can solve the problems that cannot meet the requirements of acidification and hydrolysis reaction, so as to simplify the pretreatment process and reduce equipment investment , the effect of saving energy consumption
Active Publication Date: 2009-11-25
宝林
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The existing treatment equipment for kitchen waste cannot meet the above-mentioned acidification and hydrolysis requirements
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[0016] refer to figure 1 , a food waste hydrolysis acidification reactor, comprising a hydrolysis pool 1 and a top cover 2 arranged thereon. A mesh screen 3 is arranged obliquely in the hydrolysis tank 1, a feeding device 4 is arranged on the top of the hydrolysis tank 1, and a slag discharge device 6 and a liquid discharge device 7 are respectively arranged on the upper and lower sides of the hydrolysis tank corresponding to the mesh screen 3; 1 has a funnel-shaped bottom, and is provided with a sand outlet 8 at the bottom; a water filling device 11 is provided at the bottom of the hydrolysis tank. The top cover 2 has an inner and outer double-layer structure, and an oil collector 9 and an exhaust device 10 are arranged between the inner and outer layers; the lower part of the top cover 2 and the upper part of the hydrolysis tank 1 are provided with a spray device 5 .
[0017] Among them, the body of the hydrolysis tank 1 is a rectangular reinforced concrete structure, and t...
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Abstract
The invention provides a food waste hydrolysis acidifying reactor, which comprises a hydrolysis tank and a top cover disposed thereon; a sieve is disposed slantways in the hydrolysis tank; a feed arrangement is disposed on the upper portion of the hydrolysis tank; a slag discharging device and a liquid discharging device are disposed on the lower portion of the hydrolysis tank respectively corresponding to the upper side and lower side of the sieve; the bottom of the hydrolysis tank is a funnel shaped structure with a silt orifice disposed on the bottom; the top cover is an outer-inner double layer structure with an oil-collecting device and a gas-exhausting apparatus disposed between the two layers; a spraying device is disposed on the bottom of the top cover; and a water-filling apparatus is disposed on the bottom of the hydrolysis tank. The invention can perform effective hydrolytic treatment to the un-sorted food wastes directly, and obtain acidifying liquid used for producing methane by anaerobic digestion treatment, simplifies the pretreatment process of the food wastes greatly, saves energy consumption, and reduces equipment investment.
Description
technical field [0001] The invention belongs to the technical field of organic waste treatment, and relates to a treatment device for kitchen waste, in particular to a kitchen waste hydrolysis acidification reactor. Background technique [0002] Food waste is different from other wastes (domestic waste, industrial waste, commercial waste, agricultural waste, etc.), and its characteristics are: 1. High moisture content, about 72% (removing free water) - 92% (including free water) ; 2, complex composition, high organic content, about 90% (dry weight); 3, high oil content; 4, containing salt that inhibits anaerobic fermentation; 5, because there is no classification, it contains about 10% impurities ( Mainly chopsticks, plastic, paper, a small amount of metal, lunch boxes, packaging, etc.), which will adversely affect post-processing equipment (fermentation, dehydration, pipelines, etc.). [0003] At present, the main method of processing food waste is to process organic waste...
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Application Information
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