Waste heat utilization type gas preheating furnace

• Main Authors: WANG ZHIQIANG, MA GUOMEI
• Format: Patent
• Language: Chinese; English
• Published: 24.03.2023
• Subjects: BLASTING; DETAILS OR ACCESSORIES OF FURNACES, KILNS, OVENS, OR RETORTS,IN SO FAR AS THEY ARE OF KINDS OCCURRING IN MORE THAN ONE KINDOF FURNACE; FURNACES; HEATING; KILNS; LIGHTING; MECHANICAL ENGINEERING; OVENS; RETORTS; WEAPONS

The utility model relates to the technical field of preheating furnaces, in particular to a waste heat utilization type gas preheating furnace which comprises a preheating furnace body, a movable cover is installed at the left end of the preheating furnace body, a gas nozzle is installed at the center of the left end face of the movable cover, and a first waste heat utilization assembly is installed on the outer side of the preheating furnace body. The first waste heat utilization assembly comprises a thickened thermal insulation tank, and the outer surface of the side end of the thickened thermal insulation tank is connected with a first guide pipe. The first waste heat utilization assembly can enable tail gas containing a large amount of heat to heat the exterior of the preheating furnace body, the temperature in the preheating furnace body is higher, and therefore fuel gas can be saved, water in the water tank can be heated through the second waste heat utilization assembly, and hot water can be obtained;