Low-carbon environment-friendly tunnel kiln calcined clay modification device and process

• Main Authors: MA JIAOMEI, LIU JIACHEN, MA XIAOHUI, LI KUNMING, GUO ANRAN
• Format: Patent
• Language: Chinese; English
• Published: 09.05.2023
• Subjects: BLASTING; CHEMISTRY; COMPOUNDS THEREOF; 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; FURNACES, KILNS, OVENS, OR RETORTS IN GENERAL; HEATING; INORGANIC CHEMISTRY; KILNS; LIGHTING; MECHANICAL ENGINEERING; METALLURGY; NON-METALLIC ELEMENTS; OPEN SINTERING OR LIKE APPARATUS; OVENS; RETORTS; WEAPONS

The invention relates to the field of clay low-temperature calcination modification, and discloses a low-carbon environment-friendly tunnel kiln calcined clay modification device and a low-carbon environment-friendly tunnel kiln calcined clay modification process, the device comprises a tunnel kiln, the tunnel kiln comprises a preheating zone, a calcining zone and a cooling zone which are arranged in sequence, and a material loading trolley is arranged in the tunnel kiln; the material loading trolley sequentially passes through the preheating zone, the calcining zone and the cooling zone, one or more primary combustion nozzles and secondary reduction nozzles are arranged in the calcining zone, the primary combustion nozzles and the secondary reduction nozzles are communicated with a fuel supply system, the primary combustion nozzles are combusted under the atmosphere under the excessive air-fuel ratio condition, and the secondary reduction nozzles are combusted under the atmosphere under the excessive air-fue