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Roller kiln for baking into porcelain brick

A technology for porcelain bricks and roller kilns, which is applied to furnace types, furnaces, lighting and heating equipment, etc., can solve the problems of small flue gas flow resistance, inability to effectively eliminate the temperature difference in the cross section of roller kilns, etc. Improve product quality and production efficiency, simple structure, small flow resistance effect

Active Publication Date: 2010-06-02
FOSHAN KEDA IND CO LTD
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0006] The purpose of the present invention is to provide a method for adjusting the flue gas flow at the cross-section of the roller kiln by adjusting the temperature uniform grid bar group to solve the technical defects that the existing technology cannot effectively eliminate the temperature difference of the cross-section of the roller kiln and the inner width of the roller kiln cannot exceed 2.6 meters. The fired porcelain brick roller kiln distributed on the surface has the characteristics of controlling the temperature difference without being limited by the width, and the flue gas flow resistance is small, making it possible for the fired porcelain brick roller kiln to have a width greater than 2.6 meters

Method used

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  • Roller kiln for baking into porcelain brick
  • Roller kiln for baking into porcelain brick
  • Roller kiln for baking into porcelain brick

Examples

Experimental program
Comparison scheme
Effect test

no. 1 example

[0028] image 3 It is a schematic diagram of the structure of the first embodiment of the present invention, and the grid bars are arranged in a set interval manner with sparse in the middle and dense on both sides in the kiln channel. like image 3As shown, a bracket 3 is provided on the kiln body 1 of the present embodiment, a guide groove 31 is provided on the bracket 3, a guide hole 22 is opened on the grid bar 21, and the bolt passes through the guide hole 22 and the guide groove 31 to connect the grid bar 21 On the support 3, since the guide groove 31 can adjust the distance between the grid bars 21, the grid bars 21 are suspended on the upper part of the kiln channel 10 in the kiln channel 10 in a manner that the middle is sparse and both sides are dense. Concentrate the airflow in the kiln passage to the middle area to increase the middle temperature, and make the cross-section temperature of the kiln passage evenly distributed when the middle temperature is low.

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no. 2 example

[0032] Figure 4 It is a structural schematic diagram of the second embodiment of the present invention, in which the grid bars are arranged in a set interval manner with dense in the middle and sparse on both sides in the kiln channel. like Figure 4 As shown, a bracket 3 is provided on the kiln body 1 of the present embodiment, a guide groove 31 is provided on the bracket 3, a guide hole 22 is opened on the grid bar 21, and the bolt passes through the guide hole 22 and the guide groove 31 to connect the grid bar 21 On the support 3, since the guide grooves 31 can adjust the distance between the grid bars 21, the grid bars 21 are suspended on the upper part of the kiln channel 10 in the kiln channel 10 in a manner that is dense in the middle and sparse on both sides. Expand the airflow in the kiln channel to the two sides to increase the temperature on both sides, and make the cross-section temperature of the kiln channel evenly distributed when the temperature on both sides...

no. 3 example

[0035] Figure 5 It is a structural schematic diagram of the third embodiment of the present invention, in which the grid bars are arranged in the way that the middle is high and the two sides are low, and the preset length of extension is arranged in the kiln channel. like Figure 5 As shown, the kiln main body 1 of the present embodiment is provided with a bracket 3, and several guide holes 22 are provided on the grid bar 21, and the bolt passes through one of the guide holes 22 to connect the grid bar 21 to the bracket 3, because the guide hole 22 can Adjust the length of each grid bar 21 extending into the kiln channel, so that the grid bar 21 is suspended on the upper part of the kiln channel 10 in the kiln channel 10 with a high middle and low sides. The middle area is concentrated to achieve the purpose of increasing the middle temperature, so that the cross-section temperature of the kiln channel can be evenly distributed when the middle temperature is low.

[0036] ...

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Abstract

The invention relates to a ceramic brick roller kiln furnace stove comprising a kiln furnace body forming kiln furnace channels in which a temperature equalizing grid set for changing air flow direction in kiln furnace channels to equalize channel cross section temperature is disposed. The temperature equalizing grid set comprises a plurality of grids arranged with a preset style and disposed at the upper portion of the kiln furnace channels. A support is disposed at the upper portion of the kiln furnace body. A plurality of guiding pores for regulating height position of the grids in the kilnfurnace channels are provided on the grids. One ends of the grids are connected with the support by the guiding pores, and the other ends of the grids extend into the kiln furnace channels, so that the temperature equalizing grid set arranged with a preset extending length style is formed in the kiln furnace channels. Air flow direction in each area in the kiln furnace is changed by regulating height position of grids of the temperature equalizing grid set to change distribution of the high temperature air flow and low temperature air flow in the kiln furnace channels and perform effective blending. A simple structure and convenient adjustment are provided.

Description

[0001] This application is a divisional application of Chinese patent application 200610139770.X, the name of the invention: roller kiln for firing porcelain bricks, and the filing date: September 25, 2006. technical field [0002] The invention relates to a roller kiln for firing wall and floor tiles, in particular to a roller kiln for firing porcelain tiles which can effectively eliminate the temperature difference in the cross section. Background technique [0003] Due to the structural constraints of the roller kiln, the larger the inner width of the roller kiln, the greater the temperature difference across the cross section, and the larger cross section temperature difference will lead to color and size differences in porcelain tiles, which will lower the product grade. Years of production experience have shown that the inner width of the fired porcelain tile roller kiln should not exceed 2.6 meters, otherwise the product quality will be unstable. In order to eliminate...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): F27B9/00F27B9/10F27B9/30F27B9/36
Inventor 李振中方叶
Owner FOSHAN KEDA IND CO LTD