Deslagging device capable of preventing coking

The utility model discloses a slag discharge device capable of preventing coking, which comprises a slag discharge vertical pipe connected with a furnace body, a cooling pipe sleeve sleeved outside the slag discharge vertical pipe, a water outlet pipe and a water inlet pipe respectively arranged at the upper end and the lower end of the cooling pipe sleeve, a slag poking valve arranged on the slag discharge vertical pipe, and an outer leakage pipe section arranged on the cooling pipe sleeve, the slag poking valve is positioned on the outer leakage pipe section; according to the slag discharging machine, internal welding seams can be prevented from being poked and leaked by poked slag, water entering the slag discharging vertical pipe is reduced, the situation that slag is blocked or is not smoothly discharged is reduced, and meanwhile the operation efficiency of the slag discharging machine is improved. 本实用新型公开了一种能防止结焦的排渣装置，它包括与炉体连接的下渣立管，在下渣立管外套有冷却管套，在冷却管套上下两端分别设有出水管和进水管，在下渣立管上设有捅渣阀，在冷却管套上设有下渣立管的外漏管段，所述捅渣阀位于外