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Internal circulating air cooling device

An air-cooling device and internal circulation technology, which is applied in the field of temperature-normalizing heat treatment devices, can solve problems such as inconsistent physical properties of workpieces, waste products, and process influences.

Inactive Publication Date: 2013-09-25
苏州新凌电炉有限公司
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  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0003] However, the cooling chamber of this isothermal normalizing furnace is not equipped with a curtain for the inlet and outlet of the isothermal furnace. Heating furnace, which reduces the temperature of the workpiece at the furnace mouth, causing the workpiece to drop in temperature, which does not conform to the isothermal normalizing process
If these workpieces with temperature drop are treated with the same heat treatment process, the physical properties of the workpieces will inevitably be inconsistent.
Furthermore, if the temperature of the workpiece is too low, it may even cause defective or waste products
In addition, in the existing cooling room, the fan absorbs the external natural wind into the interior, and the outdoor temperature changes in different regions due to morning, night and season, which affects the set process and makes the wind temperature unstable.

Method used

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Embodiment Construction

[0017] The present invention will be described in detail below in conjunction with the accompanying drawings and specific embodiments.

[0018] See figure 1 and figure 2 The shown cooling device for internal circulating air includes a cooling chamber 13 . The cooling chamber 13 has the function of heat preservation, and the cooling chamber 13 is provided with a material inlet 6 and a material outlet 7 . The top of the cooling chamber 13 is provided with an internal circulation frequency conversion fan 1, and the bottom is provided with a mesh belt transmission system 8 for conveying workpieces. An air inlet 9 and two air outlet pipes 11 are arranged below the internal circulation frequency conversion fan 1 , the upper port of the air inlet 9 communicates with the air outlet pipe 11 , and the lower port communicates with the top of the cooling chamber 13 . The two air outlet pipes 11 are respectively located on the left and right sides of the cooling chamber 13, and the roo...

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Abstract

The invention discloses an internal circulating air cooling device which comprises a cooling chamber, wherein the cooling chamber is provided with a feeding hole and a discharging hole and has an insulation function, an internal circulating variable frequency fan is arranged above the cooling chamber, a mesh belt drive system is arranged at the bottom of the cooling chamber, an air inlet and two air outlet pipes are arranged below the internal circulating variable frequency fan, an upper port of the air inlet is communicated with the air outlet pipes, a lower port of the air inlet is communicated with the top of the cooling chamber, the two air outlet pipes are positioned on the left side and the right side of the cooling chamber, respectively, a heat resistor is arranged at the root part of the air outlet pipe on the right side, a heat radiating device cooled by air around the heat radiating device, a plurality of parallelly arranged heaters, an upper air spraying cavity and a lower air spraying cavity are sequentially arranged inside the cooling chamber from top to bottom, the upper air spraying cavity is communicated with the air outlet pipe arranged on the right side of the cooling chamber, and the lower air spraying cavity is communicated with the air outlet pipe arranged on the left side of the cooling chamber.

Description

Technical field: [0001] The invention relates to an internal circulating air cooling device, which belongs to the field of isothermal normalizing heat treatment devices. Background technique: [0002] The cooling chamber of the existing isothermal normalizing furnace generally includes two openings, which are respectively the inlet near the heating furnace and the outlet near the isothermal furnace. Isothermal furnace. Specifically, a fan is arranged on the top of the cooling chamber, the fan has an air inlet and an air outlet, and the air outlet communicates with the cooling chamber. The workpiece in the room is cooled by direct blowing. [0003] However, the cooling chamber of this isothermal normalizing furnace is not equipped with a curtain for the inlet and outlet of the isothermal furnace. The heating furnace reduces the temperature of the workpiece at the mouth of the heating furnace, causing the workpiece to drop in temperature, which does not conform to the isoth...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): C21D1/767C21D1/28
Inventor 宋国平孙香弟王吉祥
Owner 苏州新凌电炉有限公司
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