Silicon nitride ceramic heating ignition device of particle barbecue oven

Abstract

The invention discloses a silicon nitride ceramic heating ignition device of a particle barbecue oven. The device comprises a stove, a protective shell fixedly connected to the stove and partially located in the stove, a rotating pipe rotationally connected to the protective shell and arranged in the stove, a ceramic ignition rod arranged in the rotating pipe and the protective shell and used for igniting the stove, a cleaning structure which is arranged at the end of the protective shell and not located in the rotating pipe and used for cleaning the ceramic ignition rod, the baffle ring is rotationally connected to the rotating pipe and used for protecting the ceramic ignition rod, a ventilation structure which is arranged in the protective shell, connected to the ceramic ignition rod and used for enabling the ceramic ignition rod to stretch out and draw back, and a driving structure which is arranged in the protective shell and used for controlling air to be blown out; the cleaning structure is arranged to clean the ceramic ignition rod, the cleanliness of the surface of the ceramic ignition rod is guaranteed, the heat transfer efficiency cannot be affected by dirt or oxidation on the surface, and therefore temperature increase of the ceramic ignition rod is better guaranteed.

Description

technical field [0001] The invention belongs to the technical field of ignition rods, and in particular relates to an ignition device for heating silicon nitride ceramics of a granular barbecue oven. Background technique [0002] The ignition device of the pellet barbecue furnace generally uses a stainless steel ignition rod to raise the temperature and ignite the biomass particles. Due to the limitation of the heating efficiency and processing technology, the stainless steel ignition rod has the defects of low temperature, uneven temperature in the heating area, and slow temperature rise. The ignition time is long, and even multiple ignitions are required; in order to achieve a normal ignition effect, the power of the ignition rod exceeds the normal range, shortening the service life of the ignition rod; the sealing performance and insulation performance of the ignition rod cannot meet the requirements, and the barbecue grill Storage in a humid or outdoor environment will c...

AI Technical Summary

Problems solved by technology

[0002] The ignition device of the pellet barbecue furnace generally uses a stainless steel ignition rod to heat up and ignite the biomass particles. Due to the limitation of the heating efficiency and processing technology, the stainless steel ignition rod has the defects of low temperature, uneven temperature in the heating area, and slow temperature rise. The ignition time is long, and even multiple ignitions are required; in order to achieve a normal ignition effect, the power of the ignition rod exceeds the normal range, shortening the service life of the ignition rod; the sealing performance and insulation performance of the ignition rod cannot meet the requirements, and the barbecue grill Storage in a humid or outdoor environment will cause short circuit of the internal heating material and leakage of the shell; the shell of the ignition rod and the combustion chamber are made of stainless steel. After a short period of use, the shell of the ignition rod will be oxidized under the action of high temperature, and It will be connected with the combustion chamber and cannot be disassembled, making it difficult to replace the ignition rod, and may damage the structure of the ignition device, resulting in economic losses and human safety. In addition, the heat transfer is often reduced due to failure to clean up in time during use, thus cause the temperature to become lower, it is not suitable to ignite it

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