Electric heating aluminum oxide ceramics heat pipe hot-blast stove

A kind of technology of alumina ceramics and heat pipe hot blast stove, which is applied in the direction of air heater, fluid heater, lighting and heating equipment, etc., can solve the problems of short service life, small gap, dry working medium, etc., and avoid high temperature oxidation and overheating The effects of burning damage, high thermal efficiency, and convenient installation

Inactive Publication Date: 2009-02-18
朱友良
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  • Abstract
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AI Technical Summary

Problems solved by technology

[0002] Existing electric heating hot blast stoves use bare tubes or electric heating wire tubes around the fins to heat the air in the air duct, the heat exchange efficiency is only 60-70%, and the service life is short; the inventor's built-in cylindrical electric heating wire The high-frequency welded fin heat pipe hot blast stove (patent number ZL200420007866.7) has high heat exchange efficiency, but there is also high-temperature oxidation of the electric heating wire, which affects the service life of the heat pipe. Small, prone to drying up of working fluid, affecting long-term use

Method used

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  • Electric heating aluminum oxide ceramics heat pipe hot-blast stove
  • Electric heating aluminum oxide ceramics heat pipe hot-blast stove

Examples

Experimental program
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Effect test

Embodiment Construction

[0011] see figure 1 , figure 2 , start the power supply of the fan (7) on the automatic control box (8), start the power supply wiring room (4) and the wiring copper bar (5) to connect the electrothermal alumina ceramic fins fixed on the tube plate (1) by the snap ring (14) The electrothermal alumina ceramic heating sheet assembly (15) under the sheet heat pipe (3) heats the heat pipe working medium (16), and the working medium (16) absorbs heat, vaporizes, and heats up in high-speed phase conversion until it is placed on the top cover (6) The finned heat pipe (3) heat release section in the air heating chamber (2) releases heat to heat the air sucked by the fan (8) from the air inlet and outlet (11), and the heated air is heated by the hot air equipped with a temperature sensor (10). Exit (9) is discharged, and whole hot-blast stove is outsourced by outsourcing board (12), and grid sheet (13) is arranged to dissipate heat on both sides of power connection chamber (4).

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Abstract

Disclosed is an electrothermal alumina ceramic heat tube hot-blast stove; the electric heating tube of the hot-blast stove is an electrothermal alumina ceramic heating plate component inserted on the concave bottom plate of the inner bottom of the heating tube; the heating tube is mounted in the tube plate insertion hole through a clamp ring; when the heating tube is electrified, the electrothermal alumina ceramic heating plate generates heat rapidly to gasify the working fluid and conveys the gasified latent heat to the upper wing plate heating tube; the condensed latent heating air is released under the airflow flushing of a fan; the condensed working fluid returns to the lower part through the gravity for heat absorbing and gasification again; the process cycles and reciprocates; the electrothermal alumina ceramic heat tube hot-blast stove has the advantages of being not influenced by the voltage, high thermal efficiency, long service life and being an electric heating hot-blast stove in the new generation.

Description

technical field [0001] The invention relates to an electrically heated heating air hot-blast stove, in particular to a hot-blast stove using electrothermal alumina ceramic heat pipes. Background technique [0002] Existing electric heating hot blast stoves use bare tubes or electric heating wire tubes around the fins to heat the air in the air duct, the heat exchange efficiency is only 60-70%, and the service life is short; the inventor's built-in cylindrical electric heating wire The high-frequency welded fin heat pipe hot blast stove (patent number ZL200420007866.7) has high heat exchange efficiency, but there is also high-temperature oxidation of the electric heating wire, which affects the service life of the heat pipe, and because the gap between the cylindrical electric heating wire tube and the inner tube wall of the heat pipe Small, easy to dry out the working medium, affecting long-term use. Contents of the invention [0003] In order to solve the defects of the ...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): F24H3/06
Inventor 朱友良
Owner 朱友良
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