Figure 3 focuses on the identical spot of your copper shaft furnace after 2½ a long time of operation with the improved silicon carbide bricks (aside from the harmed space in the best part with the photograph, which was where the typical silicon carbide bricks were being used for comparison https://www.facebook.com/permalink.php?story_fbid=pfbid0YUx5gnWXKYpDdf4zZk9dagBnHDWXdmfYSKKbYe4g51gyU5jdQ8jNVAQcdH6jE5jjl&id=61562415773754&__cft__[0]=AZVQRBH89egHZ9zUXrup0rUzNx2chOEfnhEmoV1AJVWzuIWOV1HMyrwmY1gmmB6L2aN8RrcWI_EX2pEtUBA3BW28dXt2MwT-Zteu3hLWf3D_7AvXTNPMmaZk2AeFPaR2hM4kAjobJyz6IGFkiOe6y51jRfkxTRY92OVVytQrzyDSpF59ivTLaUIMvvt8hvXYRoI0KMuId3bwnBfnVek3Xu1K&__tn__=%2CO%2CP-R