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A gas heating furnace

A gas heating and furnace body technology, applied in the field of heating furnaces, can solve the problems of poor metal heat treatment effect, difficult control of high temperature flue gas, affecting heat treatment effect, etc., to save secondary combustion chamber, reduce processing difficulty and pressure, increase temperature speed up effect

Active Publication Date: 2017-10-17
利川市三合不锈钢有限责任公司
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  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

In actual use, the burner 7' is set on one side of the airtight container 9' for high-temperature heating. Because of its setting problem, the heating area of ​​the burner 7' is limited, especially in the initial heating process, resulting in the airtight container The temperature of the part of 9' in contact with the high-temperature heat source is uneven, which affects the heat treatment effect in the initial process, so that the metal heat treatment effect is not good; at the same time, the high-temperature flue gas generated by the burner 7' is not easy to control, resulting in the temperature control of the airtight container 9' The accuracy is limited, further affecting the heat treatment effect

Method used

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  • A gas heating furnace
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Embodiment 1

[0036] figure 1 It is a schematic diagram of the overall structure of the prior art of a gas heating furnace; figure 2 It is the structural representation of the gas heating furnace of embodiment one; image 3 It is the structural representation of the trumpet nozzle of the gas heating furnace of embodiment one; Figure 4 It is a structural schematic diagram of the air guide pipe of the gas heating furnace in Embodiment 1; Figure 5 It is a schematic structural view of horn-shaped nozzle, the first combustion chamber and the second combustion chamber embodiment one; Figure 6 It is a structural schematic view of another embodiment of the trumpet nozzle, the first combustion chamber and the second combustion chamber; Figure 7 It is a schematic diagram of a sectional structure of the first embodiment of the burner; Figure 8 It is a front view structural schematic diagram according to an embodiment of the burner; Figure 9 It is a schematic cross-sectional structure diagr...

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Abstract

The invention relates to a fuel gas heating furnace which comprises a furnace body (1), a furnace door (2), a flue (3), a smoke outlet (4), a shell (5), a combustion chamber (6), a combustor (7) and an air inlet (8). The shell (5) comprises a side wall (50), an opening (51) and a containing space (52). The combustion chamber (6) comprises a combustion space (60) and a trumpet-shaped spray head (61). High-temperature smoke generated in combustion is exhausted through the trumpet-shaped spray head (61). The trumpet-shaped spray head (61) comprises a sector side wall (610), a trumpet inlet (611), a trumpet outlet (612) and a conical space (613). High-temperature smoke generated by the combustor (7) is subjected to mixed combustion in the combustion space (60) and then sprayed out through the trumpet outlet (612). Compared with the prior art, the heat energy of the fuel gas heating furnace is utilized for forming a gas curtain, the gas curtain can heat air about to enter the air inlet, and the heat utilization rate of the system is increased.

Description

technical field [0001] The invention relates to a heating furnace, in particular to an industrial furnace for direct contact heating with a burner as a heat source. Background technique [0002] As a commonly used industrial product, industrial furnaces have been widely used in many occasions, including electric furnaces, heating furnaces, biomass carbonization furnaces, etc. During use, sometimes it is necessary to heat treat some metal workpieces. In the prior art, the heating heat source can be electric heating, fuel heating or gas heating. Usually, the industrial furnace includes a furnace body 1', a burner 7' and a combustion chamber The air inlet 601', a closed container 9' with a heating space 90' ​​is arranged in the furnace body 1', and the object 91' to be processed is placed in the 90' ​​for heat treatment. In actual use, the burner 7' is set on one side of the airtight container 9' for high-temperature heating. Because of its setting problem, the heating area of...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): F23C9/00F23L15/00F23D14/58
CPCF23C9/00F23D14/58F23L15/00Y02E20/34
Inventor 叶玉芳叶华健
Owner 利川市三合不锈钢有限责任公司