| 摘要 |
PCT No. PCT/AT89/00074 Sec. 371 Date Apr. 19, 1990 Sec. 102(e) Date Apr. 19, 1990 PCT Filed Aug. 25, 1989 PCT Pub. No. WO90/02610 PCT Pub. Date Mar. 22, 1990.In a process for intermittently spraying a setting pasty composition mixed with a tempering liquid, in particular for building up refractory linings of metallurgical vessels, the composition is conveyed from a preparing station (6) at which it is prepared, to a delivery nozzle (11). In order to prevent the composition from thickening or hardening in the duct (15) leading to the delivery nozzle (11) when delivery is interrupted, it is conveyed during delivery stops in a circuit that includes the delivery nozzle (11).
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