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an electric furnace

A technology of electric melting furnace and molten liquid, applied in the direction of furnace, crucible furnace, furnace type, etc., can solve problems such as power consumption, crucible bursting, affecting production efficiency, etc., and achieve the effect of ensuring safety

Active Publication Date: 2017-04-05
佛山市技新电气有限公司
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0002] The crucible in the non-ferrous metal electric melting furnace works at high temperature, and it is easy to burst. After the crucible of the existing eddy current heating electric melting furnace bursts, the production staff often cannot find it in time, causing the non-ferrous metal melt to flow out of the crucible everywhere. Spreading, causing safety hazards, when a dangerous situation is discovered, there may be a large amount of non-ferrous metal melt in the crucible, which makes it more difficult to eliminate the dangerous situation
[0003] At the same time, none of the existing eddy current heating non-ferrous metal electric melting furnaces has a material shortage reminder function. When producing large-volume products, the non-ferrous metal melt in the furnace is consumed very quickly. When the production cycle is fast, production employees often cannot Replenish solid non-ferrous metals in a timely manner, resulting in uncontinuous production and affecting production efficiency
The crucible is more prone to bursting due to the large temperature difference above and below the liquid surface
[0004] Furthermore, due to the continuous decline of the liquid level of the non-ferrous metal melt, there is no non-ferrous metal material that needs to be heated in the area surrounded by more and more induction coils used to generate eddy currents, resulting in that this section of the induction coil hardly participates in the detection of non-ferrous metals. The material does work but still consumes electricity, which increases production costs and is not conducive to environmental protection

Method used

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Experimental program
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Embodiment a1

[0019] Embodiment a1: with reference to figure 1 , an electric melting furnace, including a pot cover 3, a crucible fixing ring 2, a main body and a base 1 from top to bottom, and the main body is provided with a crucible assembly, a composite insulation layer 5, an induction coil 6 and a casing 8 in sequence from the inside to the outside ; The crucible assembly is provided with a crucible 4 and a crucible seat 9 in sequence from top to bottom; the crucible 4 is an inverted conical member with a bottom; The overflow area 12 of the molten metal. The overflow area 12 is an annular groove surrounding the bottom of the crucible 4 . When the crucible 4 is broken, the non-ferrous metal melt will enter the overflow area 12 along the inverted tapered outer wall of the crucible 4 . After the molten metal enters the overflow area 12, the temperature sensor 17 provided on the inner wall of the overflow area 12 will transmit the temperature signal to the control equipment of the periphe...

Embodiment a2

[0020] Embodiment a2: with reference to figure 2 , a kind of electric melting furnace, it has done further improvement in embodiment a1.

[0021] details as follows:

[0022] The overflow collection area 12 on the crucible base 9 is arranged below the bottom of the crucible 4, and the melt discharge pipeline 13 communicating with the overflow collection area 12 is also provided in the crucible base 9, and the opening of the melt discharge pipeline 13 is a melt inlet 14, so The melt inlet 14 is arranged outside the outer wall of the crucible 4 , and the overflowed melt will enter the overflow area 12 from the ring-shaped melt inlet 14 through the liquid pipe 13 .

[0023] The vertical wall of the overflow collecting area 12 is provided with a melt outlet 15 which communicates with the outside world; the composite insulation layer 5 is provided with a through hole 18 at a position corresponding to the melt outlet 15 . The melt can be discharged to a predetermined place throug...

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PUM

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Abstract

The invention discloses an electric melting furnace which sequentially comprises a pot cover, a crucible fixing ring, a body and a base from top to bottom. The body is sequentially provided with a crucible assembly, a composite heat preservation layer, sensing coils and a shell from inside to outside. The crucible assembly is sequentially provided with a crucible and a crucible base from top to bottom. The crucible is an inverted-cone-shaped component with a bottom. The upper end face of the crucible base is provided with a downwards-concave overflow collecting region for collecting overflowed metal molten metal, and the vertical wall of the crucible base is provided with a temperature sensor. After the crucible is cracked, molten metal in the melting furnace falls into the overflow collecting region along the outer wall of the crucible to be collected and is prevented from being spread around, and production safety is guaranteed. The overflow collecting region has certain capacity, so that a period of time for properly processing the molten metal remaining in the crucible by production staff can be provided so as to guarantee production safety. The electric melting furnace is used for smelting nonferrous metal.

Description

technical field [0001] The invention relates to an electric melting furnace. Background technique [0002] The crucible in the non-ferrous metal electric melting furnace works at high temperature, and it is easy to burst. After the crucible of the existing eddy current heating electric melting furnace bursts, the production staff often cannot find it in time, causing the non-ferrous metal melt to flow out of the crucible everywhere. Spreading, causing potential safety hazards, when a dangerous situation is discovered, there may be a large amount of non-ferrous metal melt in the crucible, which makes it more difficult to eliminate the dangerous situation. [0003] At the same time, none of the existing eddy current heating non-ferrous metal electric melting furnaces has a material shortage reminder function. When producing large-volume products, the non-ferrous metal melt in the furnace is consumed very quickly. When the production cycle is fast, production employees often ca...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): F27B14/06F27B14/08
Inventor 刘志强
Owner 佛山市技新电气有限公司