High-temperature rubbish gasification power generation system

Abstract

The invention discloses a high-temperature rubbish gasification power generation system. The high-temperature rubbish gasification power generation system comprises a rubbish collection stock bin, a rubbish crusher, a rubbish drying machine, a dried rubbish stock bin, a high-temperature gasification spray-burning boiler and a steam turbine power generation set. According to the high-temperature rubbish gasification power generation system, an efficient high-temperature gasification burning environment is established in the high-temperature gasification spray-burning boiler, oxygen-enriched combustion of the surfaces of materials is achieved by forcibly supplying air to the surfaces of the materials, a high-temperature burning face layer is formed, and a great amount of heat is generated and blown to the inner layer of the materials, so that gasification burning is more violent and faster; the temperature of the highest burning point can reach 1100-1300 DEG C, and all macromolecule functional groups generated after gasification and all harmful gas, such as dioxin, generated after gasification are heated, gasified and decomposed repeatedly and participate in burning. The heat utilization rate of the materials is greatly increased, the breakthrough improvement on the boiler combustion heating principle is achieved, and complete recycling of rubbish is sufficiently guaranteed; in addition, emission is environmentally friendly, and the high-temperature rubbish gasification power generation system has great economic benefits and social benefits.

Description

technical field [0001] The invention relates to the technical field of garbage resource utilization, in particular to a power generation system for converting garbage into electric energy. Background technique [0002] As a product of human activities, garbage has become a burden on the earth and a serious obstacle to the development of human society. The average annual growth rate of garbage in the world is 8.42%, while the growth rate of garbage in China has reached more than 10%. The world produces 490 million tons of waste every year, and China alone produces nearly 150 million tons of municipal waste every year, and the cumulative stock of urban domestic waste in China has reached 7 billion tons. [0003] Traditional waste disposal methods mainly include landfill, anaerobic fermentation and incineration. [0004] The landfill method is the most used garbage disposal method. Its principle is to bury the garbage to a certain height in a selected place, add covering mate...

AI Technical Summary

Problems solved by technology

Because the air is supplied from the combustion ash layer of the boiler, the highest combustion temperature is in the oxidation combustion layer, which may easily cause the dry reduction layer to crack and produce macromolecular functional groups. The temperature of the combustion space above the dry reduction layer cannot meet the complete combustion conditions of volatiles, thus forming Thick smoke causes incomplete combustion and causes the loss of 70% of the calorific value of solid combustibles, which greatly wastes energy and pollutes the environment

Especially in the process of waste incineration, the dioxins produced by combustion cannot be decomposed without a high-temperature environment, so that the waste incineration technology cannot be promoted

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