Protective device of high-temperature chamber electric furnace

Abstract

The invention relates to a protective device of a high-temperature chamber electric furnace. The protective device comprises a furnace body and a hearth. A heat insulation layer is arranged between the furnace body and the hearth, and protective frames are arranged on the upper surface and two sides of the hearth. The chamber electric furnace further comprises a furnace bottom, a layer of protective plate is arranged on the furnace bottom, the protective plate and the furnace bottom are supported through high-temperature-resistant springs, a level measurement tube used for measuring level of the protective plate is connected between the front and rear ends of the protective plate, an observation window is arranged in the middle of the level measurement tube, and the protective frames are wire frames made of high-temperature-resistant stainless steel. Since the protective frames made of the high-temperature-resistant stainless steel are arranged in the hearth, the hearth cannot be impacted in the workpiece incoming and outgoing process, and maintenance frequency and maintenance cost are reduced; the protective layer arranged on the furnace bottom is supported through the high-temperature-resistant springs, so that impact of workpieces on the furnace bottom is reduced; the level measurement tube is further arranged on the outer side of the protective plate, and water level is observed through the observation window of the level measurement tube to determine whether the protective plate is in a level state or not.

Description

technical field [0001] The invention relates to a high-temperature box-type resistance furnace, in particular to a protection device for a high-temperature box-type resistance furnace. Background technique [0002] The rated temperature of the box-type resistance furnace is 1000°C-1700°C. It is suitable for sintering of metal materials and ceramic materials, heat treatment of certain single crystals, detection and research of high-temperature re-burning shrinkage of refractory materials in colleges and universities and scientific research institutes. , The furnace of the current box-type resistance furnace is often damaged due to the impact of the workpiece, and the bottom of the furnace will also be deformed due to the heavy weight of the workpiece, which affects the quality of processing and the maintenance cost is also relatively high. Contents of the invention [0003] In order to solve the above problems, the present invention provides a protection device for ...

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Problems solved by technology

[0002] The rated temperature of the box-type resistance furnace is 1000°C-1700°C. It is suitable for sintering of metal materials and ceramic materials, heat treatment of certain single crystals, detection and research of high-temperature re-burning shrinkage of refractory materials in colleges and universities and research institutes. , the furnace of the current box-type resistance furnace is often damaged due to the impact of the workpiece, and the bottom of the furnace will also be deformed due to the heavy weight of the workpiece, which affects the quality of processing and the maintenance cost is also relatively high.

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