Energy-saving sectional roasting furnace for aluminum hydroxide balls and roasting process of energy-saving sectional roasting furnace

Abstract

The invention relates to an energy-saving sectional roasting furnace for aluminum hydroxide balls and a roasting process of the energy-saving sectional roasting furnace, and belongs to the technical field of aluminum hydroxide ball roasting equipment. Comprising a vertical roasting furnace body, the roasting furnace body comprises a feeding bin, a preheating bin, a heating bin and a cooling bin which are arranged from top to bottom, a discharging port is formed in the bottom of the cooling bin, a first gate valve is arranged between the preheating bin and the heating bin, and whether aluminum hydroxide balls enter the heating bin from the preheating bin or not is determined through opening and closing of the first gate valve; a first gate valve is installed on the feeding bin, a micropore is formed in the first gate valve, a second gate valve is installed between the feeding bin and the preheating bin, a plunger type isolating valve is installed between the heating bin and the cooling bin, a third gate valve is installed on the discharging port, and temperature measuring mechanisms are arranged on the preheating bin, the heating bin and the cooling bin. The roasting device is good in roasting effect, compact and simple in structure, high in heat energy utilization rate and capable of greatly reducing the labor intensity of workers and reducing the production cost of enterprises.

Description

technical field [0001] The invention relates to an energy-saving segmental roasting furnace for aluminum hydroxide balls and a roasting process thereof, which is particularly suitable for roasting aluminum hydroxide balls in the preparation of palladium catalyst alumina ball carriers, and belongs to the technical field of aluminum hydroxide ball roasting equipment. Background technique [0002] At present, in the domestic production process of precious metal palladium catalyst carrier alumina balls, the roasting of aluminum hydroxide balls is an important process in the production process of alumina balls, and it is also an important link in the production process of output, quality and energy consumption control. At present, the roasting of aluminum hydroxide balls is usually produced through a horizontal furnace (tunnel type, belt roaster). The aluminum hydroxide balls are first manually loaded into the sagger, and then the sagger loaded with materials is placed at the entr...

AI Technical Summary

Problems solved by technology

This traditional roasting method has defects such as high energy consumption of equipment, large loss of metal parts and saggers under high temperature conditions of kiln cars and mesh belt furnaces, and high labor costs for transferring materials;

2. Since aluminum hydroxide balls are roasted in the furnace, it is necessary to use a high-temperature resistant carrier (saggar). The carrier has a large volume and a large number, and the roasting process of aluminum hydroxide balls is carried out simultaneously, which also causes thermal energy loss. A large amount of loss, high energy consumption in the roasting process, especially the high non-functional consumption, resulting in high roasting costs;

3. The traditional horizontal furnace is currently the main equipment for roasting aluminum hydroxide balls. The equipment occupies a large area, many operators, a large amount of material transfer work, low heat energy utilization rate, high energy consumption, and high production costs.

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