Tank type calcining furnace cooling system capable of recycling waste hot water and cooling method

Abstract

The invention discloses a tank type calcining furnace cooling system capable of recycling waste hot water and a cooling method, and relates to the cooling and waste heat utilization system and method for calcined coke in a tank furnace for producing an anode for aluminum in the carbon industry. The tank type calcining furnace cooling system capable of recycling waste hot water and the cooling method aim to eliminate phenomena, such as local overheating and water sleeve deformation, of a tank type calcining furnace cooling system on the market and solve the problems that no flow monitoring system is adopted, the heat transfer efficiency is low, and because open type circulating is adopted by the system, large cooling water overflow and evaporation loss is caused, and water resources are wasted seriously. A water storage tank is arranged below one side of a double-layer cooling water sleeve. Two U-shaped water return pipes are arranged between the water storage tank and the double-layer cooling water sleeve and are provided with water flow indicators correspondingly. A water softening system is arranged on one side of the water storage tank, and a ground low-temperature paving heating user is arranged on the other side of the water storage tank. A closed cooling tower is arranged above one side of the ground low-temperature laying heating user.

Description

technical field [0001] The invention relates to a system and method for cooling calcined coke in a pot furnace for producing aluminum anodes in the carbon industry and a waste heat utilization system, in particular to a cooling system and a cooling method for a pot calciner capable of recovering waste water. Background technique [0002] Calcination refers to the process of high-temperature heat treatment of raw materials under the condition of isolation from air. The purpose is to remove moisture and volatile matter in raw materials, make the volume of carbon raw materials fully shrink, and improve the thermal stability and physical and chemical properties of materials. The carbon raw material is calcined in a pot calciner, which has high heat utilization rate, high calcining temperature, uniform calcined coke quality, small burning loss, high strength, low resistivity, stable calcining production process operation, long service life of the furnace, and low failure rate. Co...

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Problems solved by technology

[0004] The purpose of the present invention is to provide a tank-type calciner cooling system and cooling method that can recover waste water, so as to solve the problems such as local overheating and water jacket deformation in the tank-type calciner cooling system currently on the market in the background technology , there is no flow monitoring system, and the heat transfer efficiency is low. At the same time, the system is an open cycle, and the cooling water overflows and the evaporation loss is large, which seriously wastes water resources.

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