Constant-temperature control device for quenching section in kiln and control method thereof

Abstract

The invention provides a constant-temperature control device for a quenching section in a kiln and a control method thereof. The constant-temperature control device comprises a roller kiln used for conveying products, a quenching component which is arranged in the roller kiln and used for providing quenching air for the kiln, a thermocouple fixedly arranged in the roller kiln and used for measuring the temperature in the kiln, a fuel gas spray gun arranged in the roller kiln and used for combustion heating in the roller kiln, and an electric automatic control component, wherein the electric automatic control component controls the fuel gas spray gun to automatically ignite after the thermocouple senses that the temperature in the kiln does not reach a low-temperature set value, and the electric automatic control component controls the fuel gas spray gun to automatically extinguish fire after the thermocouple senses that the temperature in the kiln exceeds a high-temperature set value.According to the control device, the pressure and temperature of the kiln can be stabilized in real time, when a vacancy occurs in the kiln, the spray gun can be automatically ignited to increase thetemperature so as to stabilize opening of a draught fan, the influence of pressure change on the temperature is avoided, and the product quality is ensured.

Description

technical field [0001] The invention relates to the field of ceramic production equipment, in particular to a constant temperature control device and a control method for a quenching section in a kiln. Background technique [0002] After the ceramic products go through the process of oxidation, firing and other manufacturing stages, the products need to be cooled rapidly to make them out of the kiln relatively stable. In the rapid cooling stage, it is necessary to ensure that the temperature in the orbital kiln is in a temperature range, that is, the constant temperature range At the same time, it is necessary to ensure that the pressure in the kiln is stable in order to ensure the stable quality of ceramic products. [0003] When there is a product vacancy in the quenching section of the current existing roller kiln, when the thermoelectric cell detects a drop in ambient temperature, the opening of the existing quenching fan will be automatically reduced to reduce the air v...

AI Technical Summary

Problems solved by technology

However, in the prior art, the reduction of the amount of quenching air entering the kiln will cause changes in the pressure in the kiln, and the instability of the pressure will affect the size, brick shape, color and inner quality of the product during production, so that the product cannot be guaranteed to be stable. product quality

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