Coal and household garbage coupled combustion system

A domestic waste and combustion system technology, applied in the direction of combustion method, combustion type, combustion equipment, etc., can solve the problems of low incineration temperature, steam parameters and low power generation efficiency, achieve large processing capacity, realize large-scale disposal, and reduce equipment and the effect of the initial investment

Inactive Publication Date: 2016-12-21
上海垒锦环境科技中心
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  • Abstract
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AI Technical Summary

Problems solved by technology

These two types of equipment can adapt to the characteristics of low calorific value and complex composition of domestic waste, but the incineration temperature in the furnace is much lower than that of power plant pulverized coal boilers and other combustion devices, and the parameters and power generation efficiency of the steam produced are relatively low.

Method used

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  • Coal and household garbage coupled combustion system

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Embodiment Construction

[0022] like figure 1 As shown, a coal and domestic waste coupled combustion system includes a coal hopper 1 , a coal feeder 2 , a coal mill 3 , a waste storage pit 4 , a feeder 5 , a gasifier 6 and a syngas booster fan 7 .

[0023] The coal hopper 1 is connected with the coal feeder 2, and the coal feeder 2 is connected with the coal mill 3.

[0024] The discharge port of the coal mill 3 is connected with the burner 14a of the pulverized coal boiler 14 .

[0025] The garbage storage pit 4 is connected to the feed port of the gasification furnace 6 through the feeder 5 , and the discharge port of the gasification furnace 6 is connected to the burner 14 a of the pulverized coal boiler 14 through the syngas booster fan 7 .

[0026] The raw coal in the coal hopper 1 is sent to the coal mill 3 through the coal feeder 2, and the primary air-powder mixture at the outlet of the coal mill 3 is transported to the burner 14a of the pulverized coal boiler 14.

[0027] The domestic garba...

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Abstract

A coal and household garbage coupled combustion system comprises a coal mill, a garbage storage pit, a feeder, a gasification furnace and a synthesis gas booster fan, wherein a discharge port of the coal mill is connected with a combustor of a pulverized coal boiler; the garbage storage pit is connected with a feed port of the gasification furnace via the feeder; and a discharge port of the gasification furnace is connected with the combustor of the pulverized coal boiler via the synthesis gas booster fan. The system achieves organic combining of fire coal power generation, sludge drying and combustion and has the advantages of large handling capacity, concise flow and good airtightness.

Description

technical field [0001] The invention relates to the technical field of coal-fired power generation, in particular to a coupled combustion system for coal and domestic waste. Background technique [0002] The total amount of urban domestic waste in my country is large, and maintains a relatively high growth rate. According to the data of the National Bureau of Statistics, in 2014, the volume of domestic garbage removal in China reached 178.6 million tons. The composition of municipal solid waste is complex, containing a variety of toxic, harmful and refractory components. If the municipal solid waste is not treated and disposed of effectively, it will seriously pollute the environment and affect people's health. Therefore, the treatment and resource utilization of municipal solid waste has become one of the key areas of environmental protection. [0003] For the reduction, harmlessness and recycling of municipal solid waste, there are pretreatment technologies such as crush...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): F23G5/027F23G7/00F23C1/12F23K3/02
CPCF23G5/027F23C1/12F23G7/001F23G2201/40F23K3/02
Inventor 施大钟施登宇
Owner 上海垒锦环境科技中心
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