Large-scale hot-process phosphoric acid waste heat utilization device

• Main Authors: WANG ZHENGWEI, GE JUNCHEN, JI GUOJIAN, HE JINLIN, MEI YI, WANG DONGHUA, JIANG BO
• Format: Patent
• Language: Chinese; English
• Published: 06.12.2022
• Subjects: BLASTING; CHEMISTRY; COMPOUNDS THEREOF; HEATING; INORGANIC CHEMISTRY; LIGHTING; MECHANICAL ENGINEERING; METALLURGY; METHODS OF STEAM GENERATION; NON-METALLIC ELEMENTS; STEAM BOILERS; STEAM GENERATION; WEAPONS

The invention relates to the technical field of heat energy recovery and utilization, in particular to a large-scale hot-process phosphoric acid waste heat utilization device, which comprises a steam pocket, a downcomer, a steam guide pipe, an upper sealing head, a square radiation heating surface, a conical radiation heating surface and a phosphorus burner, the conical radiation heating surface is arranged below the square radiation heating surface, the phosphorus burner is arranged on the square radiation heating surface and used for performing radiation heating on the square radiation heating surface and the conical radiation heating surface, the steam pocket is located above the square radiation heating surface, the device is large, the number of equipment can be reduced, and the energy consumption is reduced. The unit investment is reduced, and the operation cost is reduced; under the same capital investment, the annual yield of hot-process phosphoric acid is increased, the unit cost is reduced, the emis