Seasoning kettle sampling device for hot chamber

The invention relates to a seasoning kettle sampling device for a hot chamber, which comprises a seasoning kettle, a sampling box and an intermediate container, a feeding pipe is arranged between the sampling box and the seasoning kettle, the sampling box and the intermediate container are connected through an upper return pipe, a lower return pipe is arranged between the intermediate container and the seasoning kettle, and the sampling box is provided with a sampling needle and a sampling bottle after negative pressure pumping. The intermediate container is connected with a negative pressure system, feed liquid in the seasoning kettle is pumped into the sampling box through the feeding pipe by virtue of the negative pressure system, and the sampling bottle is used for pumping the feed liquid in the sampling box through the sampling needle. According to the device disclosed by the invention, a negative pressure suction mode and a compressed air mutual combination mode are adopted, and the seasoning kettle fee