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Treatment system and method for domestic waste

A technology for household garbage and garbage, applied in chemical instruments and methods, combustion methods, transportation and packaging, etc., can solve the problems of high energy consumption for combustion in furnaces, high moisture content of organic matter, etc., and achieve the goal of increasing the level of resource utilization and thorough and effective treatment Effect

Pending Publication Date: 2017-07-14
BEIJING SHENYUAN ENVIRONMENTAL PROTECTION CO LTD
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Problems solved by technology

[0011] Waste incineration and pyrolysis are widely promoted because of their good reduction effect, but the organic matter such as kitchen waste and fruit peels in the waste has a high moisture content, and the energy consumption for burning in the furnace is high

Method used

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  • Treatment system and method for domestic waste
  • Treatment system and method for domestic waste

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Embodiment

[0072] The method and system for realizing the full recycling of domestic waste provided in this embodiment are composed of a pretreatment device 1, a rotary bed pyrolysis furnace 2, an organic waste hydrolysis device 3, an oil and gas direct-fired boiler 4, a pyrolytic charcoal gasifier, a gas storage Tank, organic fertilizer warehouse, carbon storage tank, power generation device and pipelines connecting each unit. The pretreatment device 1 includes a bag breaker, a drum screening machine, a sorter and a crusher; the rotary bed pyrolysis furnace 2 is mainly a heat-carrier-free regenerative rotary bed; the gasifier is mainly a circulating fluidized bed gasifier; The organic waste hydrolysis device is mainly a domestic waste high-temperature and high-pressure hydrolysis tank; the oil-gas direct-fired power generation device includes an oil-gas-fired direct-fired boiler 4, a waste heat boiler and a steam turbine generator. The main process flow is:

[0073] The incoming garbag...

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Abstract

The invention relates to a treatment system and method for domestic waste. The treatment system comprises a pretreatment device, a revolving bed pyrolyzing furnace, an organic waste hydrolyzing device and an oil gas direct-burning boiler, wherein the pretreatment device comprises a waste inlet, a combustible outlet and an organic compound outlet; the revolving bed pyrolyzing furnace comprises a pyrolyzing raw material inlet, a high-temperature oil gas outlet and a pyrolytic carbon outlet; the pyrolyzing raw material inlet is connected with the combustible outlet of the pretreatment device; the organic waste hydrolyzing device comprises an organic compound inlet and a hydrolysate outlet; the organic compound inlet is connected with the organic compound outlet of the pretreatment device; the oil gas direct-burning boiler comprises a high-temperature oil gas inlet and a superheated steam outlet; and the high-temperature oil gas inlet is connected with the superheated steam outlet of the revolving bed pyrolyzing furnace. According to the treatment system disclosed by the invention, the reducing effect of waste pyrolyzing can be sufficiently achieved, the innocuity and reducing of combustible components are realized, and degradable organic compounds can be treated by a hydrolyzing method; and various waste treatment techniques are combined, so that the purpose that the domestic waste is thoroughly and effectively treated is realized.

Description

technical field [0001] The invention mainly relates to the field of domestic waste treatment, in particular to a system and method for domestic waste treatment. Background technique [0002] With the acceleration of economic and urbanization, the continuous growth of population and the continuous improvement of living standards, my country's energy consumption is huge, and the amount of domestic waste is also increasing rapidly. At present, 2 / 3 of the big cities are facing the dilemma of garbage siege. Through technical means It is a very important topic to turn domestic garbage into usable resources and alleviate the energy and environmental crisis in our country. Municipal solid waste has a wide range of sources and complex components, which brings great difficulties to waste disposal. [0003] Domestic waste pyrolysis technology is more and more favored by people because of its high resource utilization rate and low environmental pollution. The main products after pyroly...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): B09B3/00F23G5/02F23G5/30
CPCF23G5/002F23G5/02F23G5/30B09B3/00B09B3/40
Inventor 周方远张安强蔡先明任浩华刘璐赵月晶肖磊吴道洪
Owner BEIJING SHENYUAN ENVIRONMENTAL PROTECTION CO LTD
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