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Equipment and industrialization method using municipal solid waste to produce composite dry powder fuel for power generation of coal-fired power plant

A technology for municipal solid waste and coal-fired power plants, which is applied in the removal of solid waste and other directions, and can solve the problems of emission, secondary pollution of dioxins, and huge cost.

Inactive Publication Date: 2012-11-21
谭林立
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

These traditional methods not only cost a lot of money, but also involve secondary pollution and dioxin emissions, so this worldwide problem has not been solved well so far.

Method used

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  • Equipment and industrialization method using municipal solid waste to produce composite dry powder fuel for power generation of coal-fired power plant
  • Equipment and industrialization method using municipal solid waste to produce composite dry powder fuel for power generation of coal-fired power plant
  • Equipment and industrialization method using municipal solid waste to produce composite dry powder fuel for power generation of coal-fired power plant

Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0067] Municipal solid waste is received in a closed way, crushed step by step, sorted step by step, dried at room temperature, modified and compounded, and produced into a compound dry powder fuel. The production cycle (garbage input to finished product output) is only 30 minutes, and then sent to the supercritical Boiler combustion (the interface is the second and third floors from the top), and the power generation per ton of primary waste is 284 degrees.

Embodiment 2

[0068] The steps of producing composite dry powder fuel in Example 2 are the same as in Example 1, except that the composite dry powder enters the coal grinding system of the power plant and enters the furnace for co-firing together with coal, and the same effect is also achieved.

[0069] Embodiment 3-4 is thermal recycling of garbage waste water.

Embodiment 3

[0071] The squeezed garbage waste water is filtered and purified, the pH is adjusted, and a modified solvent is prepared to make liquid fuel, which is sprayed into an oil-fired boiler for combustion through an atomizing injector. The temperature reaches 1500°C. : Liquid fuel = 1:1.51.

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Abstract

The invention relates to the field of environmental protection energy, and especially relates to equipment and an industrialization method using municipal solid wastes to produce composite dry powder fuel for power generation of coal-fired power plants. According to compositions and physical and chemical properties of the municipal solid wastes, through the advanced technology of step-by-step sorting, drying at room temperature, modification composition and waste utilization, and equipments, the industrialization method include that: metals, silicate materials and plastics therein are sorted out through a sorting system; an ultrafine dry powder is produced by using room-temperature fine dewatering drying equipment; and additives are added for modification processing to produce the composite dry powder fuel for power generation of the coal-fired power plants; while the sorted and processed liquids, solids, and gases such as ferrous metals, non-ferrous metals, silicate materials (brick, stone, glass, sand, etc.), waste water, waste gases, and plastics are respectively processed using different processes and equipments. The equipment and the industrialization method not only can inexpensively and efficiently meet the requirements of quantitative reduction, stabilization, harmlessness, and resource utilization for wastes, but also realize the integrated utilization, making the wastes be a treasury bringing benefit to human continuously, and actually realizing a revolutionary breakthrough for municipal waste processing.

Description

technical field [0001] The invention relates to the field of environmental protection energy, in particular to equipment and an industrialization method for producing composite dry powder fuel from municipal solid waste for power generation in coal-fired power plants. technical background [0002] The treatment and disposal of municipal solid waste is a worldwide problem. At present, landfill, composting, incineration and other methods are mainly used. These traditional methods not only cost a lot of money, but also involve problems such as secondary pollution and dioxin emissions, so this worldwide problem has not been solved well so far. Contents of the invention [0003] The purpose of the present invention is to overcome the deficiencies of the above-mentioned prior art. According to the characteristics of municipal solid waste, the existing technology and equipment are innovatively combined, and advanced step-by-step sorting-normal temperature drying-modified composit...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): B09B3/00B09B5/00
Inventor 谭林立
Owner 谭林立
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