Vertical superhigh-temperature continuous balling furnace

An ultra-high temperature, spheroidizing furnace technology, applied in the field of vertical ultra-high temperature continuous spheroidizing furnace, can solve the problems of short process chain, wide particle size range, not suitable for industrial scale production, etc.

Active Publication Date: 2010-12-15
株洲弗拉德科技有限公司
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  • Abstract
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Problems solved by technology

[0003] As early as the end of the last century, people proposed the concept of spherical cast tungsten carbide, and developed a variety of preparation technologies and process equipment, such as water-cooled crucible melting rotary atomization method, arc melting rotary atomization method, ultra-high temperature melting gas atomization method etc., the common feature of these methods is: first melt the ingredients...

Method used

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  • Vertical superhigh-temperature continuous balling furnace
  • Vertical superhigh-temperature continuous balling furnace

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Embodiment Construction

[0018] Referring to the above drawings, a vertical ultra-high temperature continuous spheroidizing furnace includes a feed pipe 1, a feed mechanism 2, a hopper 3, a furnace cover 7, a graphite tube 8, an insulation layer 9, a base 13, and a water-cooled furnace shell 14 , inner support seat 15, conical spinner 16, rotary drive mechanism 17, discharge pipe 19; it is characterized in that: the bottom of the coaxial through hole 11 that described graphite tube 8 center holes and base 13 center holes forms is from top As for the lower, from small to large coaxial step holes or coaxial horn-shaped holes, the number of steps in the coaxial through hole 11 has at least one step. In this embodiment, there are two steps. The horizontal plane a of the upper step is located in the tubular heating zone. 10 (the central cross-hatching area of ​​the graphite tube 8 in the accompanying drawings), that is, the position of the horizontal plane a of the upper step is higher than the bottom plane...

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Abstract

The invention relates to a vertical superhigh-temperature continuous balling furnace which comprises an upper part, a middle part and a lower part of a furnace body; the furnace is internally overlapped with bases, and a blanking channel is formed by the bases, a through hole in a graphite pipe and a feeding pipe which is arranged above the graphite pipe and corresponds to the graphite pipe; the graphite pipe is internally provided with a tubular heating area; the bottom of the through hole is provided with step holes with the same axle center from top to bottom and small to big; and the horizontal plane of an upper step is arranged in the tubular heating area, so that the outlet temperature of a blanking through hole in the heating area can be increased, the material is prevented from solidifying near an outlet and blocking the blanking channel due to the low temperature, the material is ensured to smoothly flow, and high-efficiency and low-consumption production can be realized.

Description

technical field [0001] The invention relates to a vertical ultra-high temperature continuous spheroidizing furnace, in particular to a vertical ultra-high temperature continuous spheroidizing furnace which can realize the spheroidizing process of irregularly cast tungsten carbide and other hard alloy particles in the hard surface material industry. technical background [0002] As people have higher and higher requirements on the surface wear resistance and anticorrosion performance of workpieces, the market demand for hard surface materials is growing at a rapid rate, especially with the continuous development of hard surface material spraying (spray welding) technology, spherical casting carbonization Tungsten has attracted people's attention for its unique combination of strength and hardness, good fluidity and wear resistance and corrosion resistance. [0003] As early as the end of the last century, people proposed the concept of spherical cast tungsten carbide, and dev...

Claims

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Application Information

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IPC IPC(8): B22F9/10
Inventor 言伟雄
Owner 株洲弗拉德科技有限公司
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