JPWO2019195636A5 - - Google Patents

Claims (15)

An exhaust conduit for a glass melting system, comprising a refractory conduit material having a glass melting line corrosion loss of 50% or less relative to an alumina standard when subjected to a static corrosion test procedure (SCTP). , Exhaust conduit. The exhaust conduit according to claim 1, wherein the refractory conduit material contains zirconia. The exhaust conduit according to claim 1 or 2, wherein the exhaust conduit extends within the refractory block and the refractory block contains alumina. The exhaust conduit according to any one of claims 1 to 3, wherein the refractory conduit material has a thermostable impact resistance of at least about 1 × 10 ⁴ W / m. The invention according to any one of claims 1 to 4, wherein the exhaust conduit extends within the refractory block and the coefficient of thermal expansion (CTE) of the refractory conduit material is within 20% of the CTE of the refractory block. Exhaust conduit. The exhaust conduit according to any one of claims 1 to 5, wherein the conduit includes a first conduit sleeved in a second conduit. The exhaust conduit according to claim 6, wherein the conduit extends in an arrangement at an angle to the horizontal. A glass melting system with an exhaust conduit that is refractory with a glass melting line corrosion loss of 50% or less relative to the alumina standard when the exhaust conduit is subjected to a static corrosion test procedure (SCTP). Glass melting system, including sex conduit material. The glass melting system of claim 8, wherein the refractory conduit material comprises zirconia. The glass melting system of claim 9, wherein the exhaust conduit extends within the refractory block and the refractory block comprises alumina. The glass melting system according to any one of claims 8 to 10, wherein the refractory conduit material has a thermostable impact resistance of at least about 1 × 10 ⁴ W / m. A method of manufacturing a glass article comprising the step of flowing a glass melting composition through a glass melting system, wherein the glass melting system is subjected to a static corrosion test procedure (SCTP) against an alumina standard. A method comprising an exhaust conduit comprising a fire resistant conduit material having a glass melting line corrosion loss of 50% or less. 12. The method of claim 12, wherein the refractory conduit material comprises zirconia. 13. The method of claim 13, wherein the exhaust conduit extends within the refractory block and the refractory block comprises alumina. The method according to any one of claims 12 to 14, wherein the refractory conduit material has a thermostable impact resistance of at least about 1 × 10 ⁴ W / m.