Method for automatically adjusting air door of ceramic kiln

A ceramic kiln and automatic adjustment technology, applied in the field of control, to achieve the effect of reducing labor intensity of workers, improving the quality of ceramic firing, and reducing the impact

Inactive Publication Date: 2018-12-04
HANGZHOU DIANZI UNIV
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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 automatic adjustment of the ceramic kiln damper in view of the current situation that the damper of the ceramic kiln is manually adjusted

Method used

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  • Method for automatically adjusting air door of ceramic kiln
  • Method for automatically adjusting air door of ceramic kiln

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Embodiment Construction

[0024] The present invention will be further described below in conjunction with drawings and embodiments.

[0025] Such as figure 1 As shown, the porcelain kiln air door automatic adjustment system includes ceramic kiln 1, thermocouple temperature sensor 2, air door 3, air door baffle 4, flue 5, kiln controller 6, AD conversion module 7, temperature gauge 8, Control module 9 , switch value output module 10 , circuit drive module and relay 11 , electric push rod 12 and linkage device 13 .

[0026] Wherein, ceramic kiln 1 end is equipped with a damper 3, and damper 3 outlet is equipped with damper baffle 4, and damper baffle 4 can move up and down along guide rail, adjusts the opening degree of damper; Ceramic kiln 1 top is equipped with a flue, uses To remove the smoke in the furnace, adjust the oxidation atmosphere in the furnace together with the damper 3; a thermocouple temperature sensor 2 is also installed on the top of the ceramic kiln to obtain the real-time temperatur...

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Abstract

The invention discloses a method for automatically adjusting an air door of a ceramic kiln. The method comprises the following steps that firstly, a collected temperature value is converted into a current value through a thermocouple temperature sensor, the current value is input into a kiln controller, an AD conversion module in the controller converts a current analog signal into a digital signal, an actual temperature in the kiln is obtained through checking a thermometer, a temperature rising stage, a heat preservation stage and a cooling stage of ceramic firing are judged, and an instruction for adjusting an opening degree of the air door is sent out; according to the instruction, switching value is output by a one-way switching value output circuit of a switching value output module,then signal amplification is carried out through a circuit driving module, the amplified signal is transmitted to an electric push rod through a relay switch, high-low electrical levels of the outputswitching value determine whether the electric push rod ascends or descends, output time of the high-low electrical levels of the output switching value determines a distance of ascending or descending the electric push rod, therefore the opening degree of the air door of the ceramic kiln is adjusted, and finally, the oxidation atmosphere in the ceramic kiln is adjusted. According to the method,the stability of the ceramic firing quality is improved, and the labor intensity of firing workers is reduced.

Description

technical field [0001] The invention belongs to the technical field of control, and relates to a method for automatically adjusting the damper of a ceramic kiln, especially applying this control method to intermittent ceramic kilns represented by shuttle kilns that use gas in industry, so as to achieve automatic The purpose of controlling the oxidation atmosphere in the kiln. Background technique [0002] At present, intermittent industrial kilns represented by gas and shuttle kilns are generally used in ceramic kilns. [0003] Ceramic kilns are equipped with a damper (also often called Ha wind gate), which is used to control the air intake, wind pressure and wind force of various parts in the kiln, exhaust smoke, and control the direction of air flow in the kiln. [0004] During the firing process of ceramics, the internal environment of the kiln has complex changes. Not only does the entire kiln go through a process of heating, heat preservation, and cooling, but also has...

Claims

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Application Information

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IPC IPC(8): F27D19/00
CPCF27D19/00F27D2019/0003F27D2019/0028F27M2001/1504F27M2003/04
Inventor 李强严义
Owner HANGZHOU DIANZI UNIV
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