Current stabilizer with good thermal shock resistance

The utility model discloses a current stabilizer with good thermal shock resistance, which comprises a current stabilizer upper shell and a current stabilizer lower shell, the current stabilizer upper shell and the current stabilizer lower shell are in semi-tube design, a clamping block is arranged on the bottom surface of the current stabilizer upper shell, a clamping groove is arranged in the current stabilizer lower shell, and the clamping block is connected with the clamping groove. The flow stabilizer upper shell and the flow stabilizer lower shell are combined into a whole flow stabilizer outer shell through clamping blocks and clamping grooves, speed control plates are arranged on the inner walls of the two sides of the flow stabilizer upper shell, flow guide holes are formed in the front faces of the speed control plates, and an impact plate and a slag blocking dam are arranged in the flow stabilizer lower shell. The impact plate and the slag blocking dam are attached to the inner wall of the flow sta