Calcium carbide sensible heat utilization system based on continuous discharging

By using a calcium carbide sensible heat utilization system with continuous discharge during the calcium carbide production process and using furnace gas as a thermal medium, the problems of low production efficiency of calcium carbide and difficult to utilize sensible heat in the high-temperature stage in the existing technology are solved, efficient calcium carbide cooling and waste heat utilization are achieved, and production efficiency and product quality are improved.

CN119665671AActive Publication Date: 2025-03-21SHANDONG UNIV OF TECH
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Patent Information

Application Number
CN202510192129.5
Authority / Receiving Office
CN · China
Patent Type
Applications(China)
Current Assignee / Owner
Filing Date
2025-02-21
Publication Date
2025-03-21
Estimated Expiration
2045-02-21

AI Technical Summary

Technical Problem

During the existing calcium carbide production process, the calcium carbide liquid level in the calcium carbide furnace needs to be disconnected after it reaches a certain height, resulting in low production efficiency and difficult to effectively utilize the calcium carbide heat in the high-temperature stage, affecting product quality.

Method used

The calcium carbide sensible heat utilization system based on continuous discharge is adopted, and the furnace gas produced in the calcium carbide pot is used as the heat medium. Through the combination of the tundra, the heat extraction device and the crushing device, the continuous cooling of the molten calcium carbide and the efficient utilization of waste heat are achieved.

Benefits of technology

The continuous discharge of calcium carbide cooling is achieved, production efficiency is improved, and the comprehensive use of calcium carbide heat is improved, the heat utilization efficiency is improved, and product quality is ensured.

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Abstract

The invention relates to a calcium carbide sensible heat utilization technology, in particular to a calcium carbide sensible heat utilization system based on continuous discharging. A calcium carbide sensible heat utilization system based on continuous discharging comprises a calcium carbide furnace, a tundish, a heat taking device and a plate crushing device, calcium carbide is connected with the tundish through a chute, and the tundish is connected with the heat taking device through a flow dividing groove; furnace gas enters the heat removal device after being subjected to heat exchange through the heat exchanger; the heat removing device comprises a heat removing furnace, a flow dividing groove and a heat removing roller way are arranged in the heat removing furnace, and a vertical flow dividing plate is arranged in the middle of the flow dividing groove, so that molten calcium carbide flowing out of the tundish is divided into multiple belt type molten calcium carbide flows; the heat removal roller way is connected with the plate crushing device; and the furnace gas subjected to heat exchange by the heat exchanger enters the upper and lower furnace wall positions at one end of the heat extraction furnace from the heat extraction pipeline, is discharged from the other end of the heat extraction furnace, and enters the recovery pipeline. The system is based on continuous discharging of molten calcium carbide, and the production efficiency can be greatly improved; meanwhile, calcium carbide sensible heat can be utilized in the whole stage, and the heat utilization efficiency is higher.
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