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Device for baking lightweight aggregate for building materials by domestic garbage in cities and towns

A technology for urban domestic waste and light aggregates, which is applied in the field of devices for burning urban domestic wastes to light aggregates for building materials, and achieves the effects of high speed, continuous sintering and short stroke.

Inactive Publication Date: 2008-10-15
兴城市鑫隆海节能建材有限公司
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

The device integrates light aggregate sintering furnace, flue gas decomposition furnace and material drying furnace to solve the technical problems of continuous sintering of materials, thermal decomposition of flue gas and drying of materials with waste heat

Method used

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  • Device for baking lightweight aggregate for building materials by domestic garbage in cities and towns

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Experimental program
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Effect test

Embodiment

[0030] The grate adopts a chain grate, and the driving machine adopts the structure form of a double-speed reducer matched with electrodes. The driving machine drives the grate to move from front to back and adds coal to the grate from the coal hopper. The discharge machine adopts the scraper form.

[0031] The temperature of the combustion layer of the light aggregate sintering furnace is controlled at 1000-1200°C, the temperature of the flue gas decomposition furnace is controlled at 800-1000°C, and the temperature of the drying furnace is controlled at 200-300°C.

[0032] The working process of the device of the present invention

[0033] Put the coal into the coal hopper, after granulating the mixed material of garbage material, coal and flux, add it into the material hopper manually or by a feeding machine, and the scraper machine runs to push the material particles from the back to the front, and at the same time Receive the heat from the top of the calciner to dry the ...

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Abstract

The invention provides a device for producing building material used lightweight aggregate through firing the domestic garbage in cities and towns. A lightweight aggregate sintering furnace is arranged at the lower part of a furnace body, a grate is arranged in the sintering furnace and is connected with a grate driver, a dump chest and a discharging machine are arranged at the lower part of the tail end of the grate, a smoke exhausting and blanking port is formed on the upper side of the combustion chamber of the sintering furnace, and a coal feeding hopper is arranged in front of the furnace body. A smoke decomposing furnace is arranged on the upper side of the lightweight aggregate sintering furnace, a material blanking hopper is arranged in the corresponding position of the chamber of the smoke decomposing furnace and the smoke exhausting and blanking port, and a smoke exhausting port is arranged on one side of the chamber. A material drying furnace is arranged on the upper side of the smoke decomposing furnace, a material feeding hopper is arranged on the material drying furnace, and a scraper chain conveyor and scrapers are arranged in the chamber of the drying furnace. As the device integrates the lightweight aggregate sintering furnace, the smoke decomposing furnace and the material drying furnace into a whole, thereby solving the problems of the material continuous sintering, the smoke thermal decomposition and the material drying through the waste heat. The device is applicable to the production of the building material used lightweight aggregate through firing the domestic garbage in cities and towns.

Description

technical field [0001] The present invention proposes equipment for building material production in the field of building materials, specifically a device for burning building material light aggregates from municipal solid waste. Background technique [0002] The patent No. 921097409 "method and equipment for thermal treatment of garbage" proposed by Siemens AG discloses the method of thermal treatment of garbage. device (2) and a combustion chamber (8), which is supplied with low-temperature dry distillation gas for combustion. The smaller cryogenic distillation material separated in the residual material separation device (20) is output to the combustion chamber (8), where the low temperature distillation gas is burned off. Dust / liquid waste can be directly fed to the combustion chamber (8). Additional fuel can also be entered. The combustion chamber (8) is provided with a discharge device (35), from which molten slag can be taken out. After cooling, for example in a p...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): C04B18/30F23G5/08F23G5/44
CPCY02W30/91
Inventor 曹燕飞曹梦达
Owner 兴城市鑫隆海节能建材有限公司
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