Crystal cleaning equipment used in tunnel blind pipe and application method

The invention discloses crystal cleaning equipment used in a tunnel blind pipe and an application method. The crystal cleaning equipment comprises a cleaning device, an inspection device, a steering device and a walking device. The cleaning device comprises a cleaning head, a rotator and a connecting rod, and when the cleaning head is driven by the rotator to rotate, a wheel piece can smash crystals. The inspection device comprises an inspection disc, a rotating ring and a brushing head and is used for illumination and observation. The steering device comprises a rotating ball, a steering rod, a telescopic shaft 18 and a rotating control box and can rotate. The walking device is composed of a connecting body and a walking structure and can enable the cleaning equipment to walk and brake. The method comprises the following steps: (1) putting crystal cleaning equipment into a tunnel blind pipe orifice; (2) the cleaning equipment is made to walk inwards along the blind pipe, and meanwhile the crystallization con