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Atmosphere-adjustable double-temperature-control composite ceramsite sintering rotary furnace and working method thereof

A sintering furnace and dual temperature control technology, applied in the field of ceramsite sintering, can solve the problems of complex structure and inability to effectively control the atmosphere in the furnace, and achieve the effect of avoiding re-oxidation and avoiding sudden temperature drop.

Inactive Publication Date: 2013-04-17
SHANDONG UNIV
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

However, the structure of this kind of ceramsite sintering equipment is relatively complicated, and the effective control of the atmosphere in the furnace cannot be realized.

Method used

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  • Atmosphere-adjustable double-temperature-control composite ceramsite sintering rotary furnace and working method thereof
  • Atmosphere-adjustable double-temperature-control composite ceramsite sintering rotary furnace and working method thereof
  • Atmosphere-adjustable double-temperature-control composite ceramsite sintering rotary furnace and working method thereof

Examples

Experimental program
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Effect test

Embodiment 1

[0040]An atmosphere-adjustable double-temperature-control composite ceramsite sintering rotary furnace, comprising a preheating furnace tube 7, a reducer 2, a bottom bracket 1, a segmented partition 10 and a sintering furnace tube 20, the preheating furnace tube 7 Heaters are respectively provided on the outer layer of the sintering furnace tube 20 ; thermocouples are provided inside the preheating furnace tube 7 and the sintering furnace tube 20 .

[0041] The heater 19a arranged on the outer layer of the preheating furnace tube 7 and the thermocouple 24a arranged in the preheating furnace tube are respectively connected to the automatic temperature controller 8 of the preheating furnace tube; the heater 19b arranged on the outer layer of the sintering furnace tube 20 and the thermocouple 24b set in the sintering furnace tube are respectively connected to the automatic temperature controller of the sintering furnace 9; a total of two reducers are provided corresponding to the ...

Embodiment 2

[0046] Example 2: The working method of the atmosphere adjustable double temperature control composite ceramsite sintering rotary kiln

[0047] Using the atmosphere adjustable double temperature control composite ceramsite sintering rotary kiln of embodiment 1, the raw ceramsite (such as Figure 4 the left picture of Figure 5 ) and sintered according to the following steps.

[0048] 1) Set the preheating temperature of the preheating furnace tube to 350°C-450°C and the sintering temperature of the sintering furnace tube to 950°C-1050°C respectively through the preheating automatic temperature controller and the sintering automatic temperature controller;

[0049] 2) Turn on the chain linkage control switch to make the preheating furnace tube and sintering furnace tube rotate at the same time;

[0050] 3) Open the air inlets of the preheating furnace tube and the sintering furnace tube, and feed N 2 Gas, to maintain an oxygen-poor environment in the furnace;

[0051] 4) Op...

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Abstract

The invention relates to an atmosphere-adjustable double-temperature-control composite ceramsite sintering rotary furnace and a working method thereof. The atmosphere-adjustable double-temperature-control composite ceramsite sintering rotary furnace comprises a tubular preheating furnace, a speed reducer, supports, a sectioning partition and a tubular sintering furnace, heaters are arranged outside a preheating furnace tube and a sintering furnace tube respectively, thermocouples are arranged in the preheating furnace tube and the sintering furnace tube respectively and are connected with automatic temperature controllers, the speed reducer drives the preheating furnace and the sintering furnace to rotate through linkage chains, and an atmosphere-adjustable ceramsite collector is further arranged outside the sintering furnace. The atmosphere-adjustable double-temperature-control composite ceramsite sintering rotary furnace integrates preheating and sintering and is capable of rotating at a uniform speed, adjustable in preheating and sintering atmosphere, reasonable in allocation and capable of achieving continuous production of ceramsite sintering.

Description

technical field [0001] The invention relates to an adjustable-atmosphere double-temperature-control composite ceramsite sintering rotary furnace and a working method thereof, belonging to the technical field of ceramsite sintering. technical background [0002] In recent years, with the rapid development of social economy and the continuous improvement of people's living standards, the types and quantities of solid waste have increased sharply, and solid waste pollution incidents have occurred frequently, which has seriously affected human health and environmental safety. How to deal with the solid waste generated in the process of industrial production and urbanization has attracted more and more attention. Solid waste mainly includes domestic garbage and industrial solid waste, which are a misplaced resource. Realizing waste recycling, reducing industrial consumption, and eliminating the hazards caused by solid waste are the focus of research in countries all over the wor...

Claims

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Application Information

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IPC IPC(8): F27B7/02F27B7/06F27B7/22C04B33/132C04B33/32
CPCY02P40/60
Inventor 岳钦艳岳东亭高宝玉王勃李雁杰何红桃王小娟张晓伟
Owner SHANDONG UNIV
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