Microwave detection device of material level in dry quenching furnace

Abstract

The invention relates to the field of detection of a material level in a dry quenching furnace and especially relates to a microwave detection device of the material level in the dry quenching furnace. The detection device includes a microwave detecting part and a temperature separating part. A cone-shaped sealing shield is installed on the bottom of the microwave detecting part in a sealing manner. A high-temperature-resistant wave-transparent quartz glass is installed on the top of the temperature separating part in a sealing manner. An upper surface of the high-temperature-resistant wave-transparent quartz glass is a lower sealing surface of a sealed gas chamber. A blowing gas channel is arranged on a lower part of the temperature separating part and surrounds the high-temperature-resistant wave-transparent quartz glass. A blowing direction of the blowing gas channel is faced to the lower surface of the high-temperature-resistant wave-transparent quartz glass. A heat-insulation sealing gasket is disposed between the temperature separating part and the sealing gas chamber. By means of the detection device, a temperature requirement of a normal operation can be satisfied without any cooling gas. Microwave detection apparatus are free from being damaged although a gas-supplying failure in a nitrogen cooling system is generated or the high-temperature-resistant wave-transparent quartz glass is broken, thereby ensuring the normal operation of a production process and reducing economic loss.

Description

technical field [0001] The invention relates to the field of detecting the material level of a CDQ coke oven, in particular to a microwave material level detection device for a CDQ coke oven. Background technique [0002] In metallurgical CDQ coking, it is necessary to put the high-temperature red coke at 1000°C after carbonization in the coke oven into the CDQ furnace for extinguishing. Red coke is cooled. The coke tank transports the high-temperature red coke from the coke oven into the furnace from the upper part of the CDQ furnace, and the coke cooled by nitrogen is continuously discharged out of the furnace from the lower part of the CDQ furnace. When high-temperature red coke is loaded into the upper part of the CDQ furnace, the red coke material level in the CDQ furnace will rise rapidly, and when the cooled coke is continuously discharged from the lower part of the CDQ furnace, the red coke material in the CDQ furnace will will gradually decrease. The red coke mat...

AI Technical Summary

Problems solved by technology

Even so, once the gas supply failure of the nitrogen cooling system occurs, it is difficult to avoid damage to the microwave detection device in the microwave material level detection device under the high temperature impact of 1000 °C in the furnace

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