Telescopic internal spraying device

• Main Authors: LI WENNONG, ZHENG BING, GUO HAI, YANG LIN
• Format: Patent
• Language: Chinese; English
• Published: 03.07.2020
• Subjects: CHEMISTRY; GENERAL DEVICES FOR HEAT TREATMENT OF FERROUS OR NON-FERROUSMETALS OR ALLOYS; MAKING METAL MALLEABLE BY DECARBURISATION, TEMPERING OR OTHERTREATMENTS; METALLURGY; METALLURGY OF IRON; MODIFYING THE PHYSICAL STRUCTURE OF FERROUS METALS

The utility model relates to the field of steel pipe cooling devices. The utility model relates to a spraying device and particularly discloses a telescopic internal spraying device. The spraying device comprises a base (1), a supporting mechanism is arranged on the base (1), the supporting mechanism comprises two supporting columns (2) arranged on the base (1), a set of two rotating shafts (7) are movably arranged between the two supporting columns (2), holding rollers (3) are arranged on the rotating shafts (7), and a spraying pipe (4) is arranged between the holding rollers (3). The steel pipe cooling device has the advantages that the inner spray water cooling is added, the outer spray water cooling is matched, and the steel pipe is cooled by the inner spray and the outer spray simultaneously, so that the cooling speed of the steel pipe is increased, and the conditions of low strength and unqualified impact of the steel pipe are improved. 本实用新型涉及钢管冷却装置领域，具体公开了一种伸缩式内喷雾装置，包括底座（1），所述的底座（1）上设置有支撑机构，所述的支撑机构包括设