Special electronic detonator for tunnel

The utility model discloses a special electronic detonator for a tunnel, which comprises a detonator body, a charging part is arranged on the detonator body, a reinforcing cap is mounted in the charging part, a through hole is formed in the reinforcing cap, a main charge is mounted between the charging part and the reinforcing cap, flame inhibitor lac granulation hexogen is arranged at the bottom of the main charge, and the middle of the main charge is Taian. Nickel hydrazine nitrate is arranged on the upper portion of the main charge, and an electronic ignition part is installed in the tube body. The explosive head protection device has the advantages that the explosive head protection device is arranged to protect the explosive head in the blasting process, damage and early blasting of the explosive head caused by collision of the explosive head and the pipe wall due to high-frequency blasting vibration are avoided, and the detonation reliability of an electronic detonator detonation network is guaranteed;