CN2188194Y - Electric heating gravity heat pipe - Google Patents

Abstract

The utility model discloses an electric heating gravity heat pipe, and belongs to a heat pipe which uses electricity as a heat source. The electric heating gravity heat pipe comprises a plug 1, an insulating plate 2, a supporting seat 3, heat radiating fins 9, a heat pipe housing body 8, working substances 7, an electrical heating element 4, micro-pore ceramic 5 and a copper pipe 6 whose upper end is sealed. The electrical heating element 4 is arranged in the copper pipe 6 whose upper end is sealed, and the micro-pore ceramic 5 is filled between the electrical heating element 4 and the copper pipe 6. The electric heating gravity heat pipe uses electricity as the heat source, and has high heat efficiency, low cost and convenient operation. The utility model can be used for the departments of families, scriptoriums, emporiums, factories, etc.

Description

Electric heating gravity heat pipe

It is the heat pipe of thermal source with the electrical heating that the utility model belongs to a kind of.

Heat pipe is an energy-efficient heat transfer element, has been applied in recent years in the heat recovery of flue of hot water, steam generator system of power plant.The existing abroad heat pipe that utilizes absorbs solar energy.The basic structure of heat pipe is to seal after thermotube shell is vacuumized, injects working medium, and the inwall of thermotube shell is provided with the imbibition core, is welded with blade at outside end of thermotube shell or two ends.Wherein an end is a fire end, and the centre is a span line, and the other end is a heat release section.Bringing-up section be arranged in the high-temperature flue or hot water in, when the heat of high-temperature flue gas or hot water when bringing-up section is imported heat pipe into, being in the vaporization of absorbing heat immediately of saturated liquid (working medium) in the heat pipe bringing-up section inwall imbibition core becomes steam and enters the heat pipe cavity, the pressure of cavity constantly raises, steam molecule is just flowed to the heat release section of heat pipe through the intermediate conveyor section by bringing-up section, regelation became liquid after steam was emitted latent heat to low-temperature receiver here, and absorbed by the imbibition core, flow back to bringing-up section, go round and begin again like this, reach heat exchange, the purpose that waste heat is fully used.This heat pipe is owing to be subjected to the restriction of thermal source, and large-scale popularization is used and had any problem at present.

The purpose of this utility model is to improve a kind of huge numbers of families of being widely used in, and electrically heated gravity heat pipe easy to use.

Electrically heated gravity heat pipe by thermotube shell, bleed chew, plug, fin, working medium, electric heater, attaching plug form.The fin solid welding is on the top of thermotube shell, and this part is referred to as heat release section.Electric heater is made up of copper pipe, micropore ceramics and the heating of upper end sealing.On the inside center position of the copper pipe that seals on heating is arranged on, filling micropore ceramics between the copper pipe of heating and upper end sealing, the openend solid welding of the copper pipe of upper end sealing is on the base plate of thermotube shell.Attaching plug is connected with heating by insulation board.

During manufacturing, elder generation sets electric heater in thermotube shell after, chew the extraction of the air in the thermotube shell, promptly vacuumize by bleeding.Then an amount of working medium is injected in the thermotube shell, and will be bled to chew and shut, the plug of connecting with the mains again gets final product.

Therefore electrically heated gravity heat pipe has saved the imbibition sandwich layer of thermotube shell inwall owing to utilize pure gravity reflux condensation water, has also improved functional reliability and heat transfer potential widely.

Particularly the thermal source of electrically heated gravity heat pipe is from the electric heater that is arranged on the thermotube shell base plate.The heating of electric heater can be selected far-infrared heating element for use, and this element can economize on electricity more than 30% than common electrical thermal element.The heat that heating sends owing to do not contact with the thermotube shell external source, does not have the quadergy loss by micropore ceramics and copper pipe heating working medium, and whole energy is absorbed by heat pipe, so good energy-conserving effect.

Electrically heated gravity heat pipe is by following mode work, after promptly connecting power supply, the heat of electrical heating elements imports the copper pipe of upper end sealing into by micropore ceramics, the interior working medium of bringing-up section of thermotube shell is heated, working medium begins the heat absorption vaporization and becomes steam, and constantly charge into the thermotube shell internal cavity, the cavity internal pressure constantly raises, steam flow heat release section (being the part that thermotube shell has fin), and emit latent heat, by fin heat is shed, use for the user, steam regelation meanwhile becomes liquid, flows back to bringing-up section along the thermotube shell inwall, so repeats cold and hot exchange.Electrically heated gravity heat pipe is realized by means of the vaporization and the condensation heat transfer of saturated working medium, it is a kind of latent heat exchange process of phase-change heat-exchange, not only heat transfer intensity is very big, and heat exchange quantity also can be very big, therefore its capacity of heat transmission is more much higher than common heat transfer device or material, as higher more than 383 times than red copper.

Electrically heated gravity heat pipe is can be single or multiple in parallel to be used, and can be widely used in family, office room and departments such as market and factory, and thermal efficiency height, price are low, easy to use, have good economic and social benefit.

Fig. 1 is the structural representation of electrically heated gravity heat pipe, and the utility model is described in further detail below in conjunction with accompanying drawing.

Electrically heated gravity heat pipe is made of plug 1, insulation board 2, bearing 3, fin 9 and electrically heated gravity heat pipe body.The electrically heated gravity heat pipe body is bled by thermotube shell 8, working medium 7, band and is chewed 11 plug 10, helmet 12 and electric heater and form.Electric heater is made up of the copper pipe 6 of zirconia heating 4, micropore ceramics 5, upper end sealing.The vertical solid welding of the thermotube shell 8 lower end mouths of pipe is on bearing 3 upper surfaces, and bearing 3 is the base plate of thermotube shell by the part that the thermotube shell 8 lower end mouths of pipe fasten.The lower end mouth of pipe solid welding of the copper pipe 6 of upper end sealing is on the base plate of thermotube shell 8, zirconia heating 4 is arranged on the centre of the copper pipe 6 of upper end sealing, and the lower end of filling micropore ceramics 5, zirconia heating 4 links to each other with plug 1 by the insulation board 2 that is arranged on bearing 3 outer bottoms between the copper pipe 6 of zirconia heating 4 and upper end sealing.Fin 9 vertical solid weldings are on the top of thermotube shell 8, and this part is a heat release section.Being provided with one section of electric heater and being bringing-up section of thermotube shell 8.Plug 10 solid weldings that will have bleeds chews vacuumize thermotube shell 8 on the upper port of thermotube shell 8 then, and after an amount of working medium of reinjecting, shutting bleeds chews 11.Screwing on helmet 12 just can use.

During use, after connecting power supply, zirconia heating 4 heats up, copper pipe 6, heating working medium 7, working medium 7 heat absorptions by micropore ceramics 5, upper end sealing begin vaporization, become steam, the steam flow heat release section, and emit latent heat, by fin 9 heat is shed, use for the user, the steam regelation of meanwhile emitting latent heat becomes liquid, inwall along the heat release section of thermotube shell 8, flow back to the bringing-up section of thermotube shell 8, work so again and again, just can reach the purpose that efficient, energy-conservation transferring heat energy needs for the user.

Claims (2)

1, electrically heated gravity heat pipe, comprise that plug 1, insulation board 2, bearing 3, fin 9 and electrically heated gravity heat pipe body constitute, it is characterized in that said electrically heated gravity heat pipe body is bled by thermotube shell 8, working medium 7 and band chews 11 plug 10, helmet 12 and electric heater and forms, and electric heater is made up of the copper pipe 6 that heating 4, micropore ceramics 5, upper end seal; The vertical solid welding of the thermotube shell 8 lower end mouths of pipe is on bearing 3 upper surfaces, the lower port solid welding of the copper pipe 6 of upper end sealing fastens on the upper surface of bearing 3 partly in thermotube shell 8, filling micropore ceramics 5, heating 4 are connected with plug 1 by insulation board 2 between the copper pipe 6 of heating 4 and upper end sealing, and being with bleeds chews 11 plug 10 and be connected with the upper port solid welding of thermotube shell 8; To chew by bleeding in 11 thermotube shell 8 and be evacuated, and inject bleeding of an amount of working medium 7 chew 11 shut after, screw on helmet 12.

2,, it is characterized in that said heating is the zirconia heating according to the described electrically heated gravity heat pipe of claim 1.

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