Water cooling large jacket special for industrial silicon and silicon iron electric furnace

Abstract

The invention discloses a water cooling large jacket special for an industrial silicon and silicon iron electric furnace. The water cooling large jacket comprises an annular jacket body. Multiple protection screen circulating water channels are uniformly formed in an interlayer of the annular jacket body. A fan-shaped protection screen connection water cavity is formed in the position, corresponding to each protection screen circulating water channel, of the outer edge of the lower end of the annular jacket body. A fixed water nozzle is arranged on the top face of each protection screen connection water cavity. An inner chamber of the interlayer of the annular jacket body is divided into multiple fan-shaped water cavities. A water jacket water inlet nozzle and a water jacket water outlet nozzle are arranged at the two ends of the position, located inside each fan-shaped water cavity, of the top face of the annular jacket body correspondingly. A water inlet channel is formed in the position, corresponding to the corresponding water jacket water inlet nozzle, inside each fan-shaped water cavity. A snakelike water channel is formed in the lower portion inside each fan-shaped water cavity, and the bottommost layer of each snakelike water channel communicates with the corresponding water inlet channel in a perpendicular manner. The water jacket water outlet nozzle of each fan-shapedwater cavity communicates with the water jacket water inlet nozzle of the adjacent fan-shaped water cavity through a water pipe. The water cooling large jacket can work stably for a long time under the severe working condition; the sufficient cooling and temperature reduction effect is guaranteed; and the water cooling large jacket is convenient to mount and long in service life.

Description

technical field [0001] The invention belongs to a special component for industrial silicon and ferrosilicon electric furnaces, in particular to a special water-cooled large set for industrial silicon and ferrosilicon electric furnaces. Background technique [0002] The water-cooled large set is an important part of the electrode system used in the production of industrial silicon and ferrosilicon electric furnaces. Its characteristics are: it can not only withstand impact, but also provide water-cooled protection for the core components of the electrode. Working continuously for a long time can solve the sealing and insulation problems caused by the tight space of the electric furnace. At the same time, it can effectively prolong the service life of the core components of the electrode and achieve continuous and stable operation in the process of the electric furnace electrode. [0003] At present, the water-cooled large sets of domestic industrial silicon and ferrosilicon e...

AI Technical Summary

Problems solved by technology

Because the space around the electrode of this equipment is very tight, the gap between the large set and the water-cooled copper tube of the electric furnace electrode and the water-cooled pipe of the water-cooled shield, bottom ring, pressure ring and other components in actual production is very narrow, which often occurs in actual use. The contact between the water-cooled tube and the large set cannot completely solve the insulation problem between them; in addition, because the large set is in the heat-affected zone of the electric furnace, the water temperature of the large set is very high, which affects the normal operation of the electric furnace. Due to the above reasons It has brought great challenges to the maintenance of the electrode system of industrial silicon and ferrosilicon electric furnaces

[0004] With the increasing specifications of domestic industrial silicon and ferrosilicon electric furnaces, especially in recent years, the specifications of industrial silicon and ferrosilicon electric furnaces have reached more than 33MVA capacity, and the load on the electrode system of electric furnaces is also increasing. Under the condition of heavy load, the insulation and temperature rise between the core element of the electrode and the large cooling sleeve are more serious. It is difficult to meet the long-term stable use of the large electric furnace. The actual use effect is not very satisfactory, and there are still maintenance work There are many problems such as large quantity, short life, substandard insulation, and difficulty in replacement

[0005] Therefore, continuing to use the existing water-cooled large-scale structure has been unable to meet the normal working conditions of large-scale industrial silicon and ferrosilicon electric furnaces, and has seriously affected the normal work of industrial silicon and ferrosilicon electric furnace manufacturers.

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