Lime kiln tail gas utilization waste heat boiler

• Main Authors: ZHANG TENG, LI CHUANJIE, JIA ZHENKAI
• Format: Patent
• Language: Chinese; English
• Published: 24.10.2023
• 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; HEAT EXCHANGE IN GENERAL; HEAT-EXCHANGE APPARATUS, NOT PROVIDED FOR IN ANOTHER SUBCLASS,IN WHICH THE HEAT-EXCHANGE MEDIA DO NOT COME INTO DIRECT CONTACT; HEATING; KILNS; LIGHTING; MECHANICAL ENGINEERING; OVENS; RETORTS; WEAPONS

The invention is suitable for the technical field of industrial production tail gas utilization, and provides a lime kiln tail gas utilization waste heat boiler which comprises a rack, a furnace body fixedly connected to the rack, an inner hearth body located in the furnace body, and a reserved space for tail gas to flow arranged between the inner hearth body and the furnace body; the heat exchange pipeline is located between the inner hearth body and the furnace body and comprises a water inlet pipe and a water outlet pipe which are fixedly connected to the two sides of the furnace body respectively, the water inlet pipe is arranged close to the bottom of the furnace body, the water outlet pipe is arranged close to the top of the furnace body, and the water inlet pipe and the water outlet pipe are connected through a spiral pipe located between the inner hearth body and the furnace body; the outer diameter of the spiral pipe is smaller than the reserved distance between the inner hearth body and the furnace