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Kitchen waste disposal system and method

A kitchen waste and treatment system technology, applied in waste treatment, solid waste removal, etc., can solve problems affecting the effect of resource utilization, etc., to overcome the lack of alkalinity and nutrients, ensure stable operation, and the technology is completely feasible Effect

Pending Publication Date: 2019-02-15
大连东泰有机废物处理有限公司 +1
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  • Abstract
  • Description
  • Claims
  • Application Information

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Problems solved by technology

However, in order to meet the production requirements of the subsequent resource treatment process, pretreatment of kitchen waste is a very important process step, which directly affects the effect of subsequent resource utilization

Method used

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Embodiment 1

[0028]A kitchen waste treatment system: comprising a mobile storage tank 2 with an elevator 1, the lower part of the mobile storage tank 2 is provided with a receiving tank 3, and the bottom of the receiving tank 3 is sequentially provided with a double-screw machine 41 for a silo, a hopper list The screw machine 42, the outlet of the single screw machine 42 in the silo is connected to the material sorter 5, and the material sorter 5 separates impurities and kitchen waste solids, and is respectively connected to the screw conveyor 7 and the crushing and pulping machine 6; the crushing and pulping Machine 6 is sequentially connected to slurry homogenizing tank 11, material storage acidification tank 10, cyclone desanding system 12, fine adjustment tank 14, anaerobic digestion tank 13; screw conveyor 7 outlet is connected to screw extruder 8; screw extruder The pipeline of the separated liquid in the machine 8 is connected to the slurry homogenizing tank 11; the obtained impuriti...

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Abstract

The invention discloses a kitchen waste disposal system. The kitchen waste disposal system comprises a mobile storage tank. The lower portion of the movable storage tank is provided with a material receiving tank. The bottom of the material receiving tank is sequentially provided with a material bin double screw conveyor and a material bin single screw conveyor. An outlet of the material bin single screw conveyor is connected with a material sorting machine. The material sorting machine is connected with a screw conveyor and a crushing pulper. An outlet of the screw conveyor is connected witha screw extruder. The crushing pulper is sequentially connected with a pulp homogenizing tank, a material storage acidification tank, a cyclone degritting system, a fine adjustment tank and an anaerobic digestion tank. According to the system, kitchen waste is combined with sludge for disposal, the defect of shortage of organic matter of the sludge can be overcome, the ratio of carbon to nitrogencan be used for adjustment of microorganisms, the anaerobic fermentation efficiency and the gas production rate are increased, thus, the gas production efficiency is improved, the anaerobic digestioncost is reduced, the economic benefits of anaerobic digestion are increased, and the system becomes an important and effective means of efficient energy recovery.

Description

technical field [0001] The invention relates to a kitchen waste treatment system and method. Background technique [0002] Kitchen waste includes food residues from restaurants, restaurants, etc., as well as perishable organic waste such as fruits and vegetables discarded in daily life, food scraps, and leftovers. It has the characteristics of rich organic matter, high moisture content, and perishability. . According to statistics, Chinese cities produce no less than 6×10 7 t of kitchen waste contains protein equivalent to 1.6×10 6 hm 2 Protein yield (calculated on dry matter content) of soybeans. Therefore, kitchen waste has the dual characteristics of waste and resources, and seeking resource treatment technology is the basic guarantee and strategic idea for developing circular economy and realizing sustainable development of people and the environment. However, in order to meet the production requirements of the subsequent resource treatment process, pretreatment of ...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): B09B3/00B09B5/00
CPCB09B3/00B09B5/00Y02W30/20
Inventor 唐立军杨蒙吕丹李华峰孙德文杨华伟牛明泽孙冬月刘洋戴春美
Owner 大连东泰有机废物处理有限公司
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