Vertical two-return-stroke steam generator and boiler heat exchanger thereof

• Main Authors: PEI XUEFENG, WANG YULIN
• Format: Patent
• Language: Chinese; English
• Published: 02.06.2023
• Subjects: AUXILIARY DEVICES FOR PROMOTING WATER CIRCULATION WITHINBOILERS; BLASTING; CONTROLLING WATER LEVEL; FEED-WATER SUPPLY; HEATING; LIGHTING; MECHANICAL ENGINEERING; METHODS OF STEAM GENERATION; PREHEATING, OR ACCUMULATING PREHEATED, FEED-WATER; STEAM BOILERS; STEAM GENERATION; WEAPONS

The invention belongs to the technical field of steam boilers and steam generators, and particularly relates to a vertical two-return-stroke steam generator and a boiler heat exchanger thereof.The vertical two-return-stroke steam generator comprises a sleeve, the sleeve is circumferentially arranged between a lower water collecting tank and an upper steam collecting chamber, the upper steam collecting chamber and the lower water collecting tank are arranged in an outer shell, and the sleeve is composed of an outer pipe body and an inner pipe body which are concentrically arranged; the inner pipe body is connected with the opposite end faces of the lower water collecting tank and the upper steam collecting chamber, the outer pipe body is connected with the opposite end faces of the lower water collecting tank and the upper steam collecting chamber, and a plurality of partition plates are arranged in a jacket formed between the outer pipe body and the inner pipe body at intervals. A smoke adjusting pipe connect