CN201286177Y

CN201286177Y - Large power carbon fiber electric heating tube for industrial use

Info

Publication number: CN201286177Y
Application number: CNU2008201741701U
Authority: CN
Inventors: 黄溯
Original assignee: Individual
Current assignee: Individual
Priority date: 2008-10-31
Filing date: 2008-10-31
Publication date: 2009-08-05
Anticipated expiration: 2018-10-31

Abstract

The utility model provides a high-power carbon fiber electrothermal tube in the industry, comprising an external electrode, an electrode closure, electric heating elements, an electrode wire, inner supports, a tube casing and exhaust vents, more than two electric heating elements are connected in series in the tube casing, the inner support is arranged between the electric heating elements and the tube casing, an inner sleeve pipe is penetrated through the middle of the electric heating element, the electrode wire is penetrated through the inner sleeve pipe, the inner support is arranged between the inner sleeve pipe and the electric heating element, both ends of the electric heating element are provided with sleeve-shaped electrodes which are connected with the electrode wire by the connecting wire, the electrode closure with the external electrode is arranged at both ends of the tube casing, the electrode wire is connected with the external by a high temperature resistant metal connecting sheet. Compared with the prior art, the electrothermal tube has uniform work temperature, stable electrothermal performance, long service life, and over 98% of thermal efficiency, thus having popularization and use value.

Description

Large power carbon fiber electric heating tube for industrial use

1, technical field

The utility model relates to the electrothermal tube in a kind of electric equipment, the large power carbon fiber electric heating tube for industrial use that is used to heat in specifically a kind of electric equipment.

2, background technology

As everyone knows, the quartz electrothermal tube of prior art generally adopts the metal electric heating body, for example: molybdenum filament, tungsten filament etc.The metal electric heating body easily causes surface oxidation owing to high temperature in the electric heating process, and the problem that has breakage, blows, and the mission life-span is short, and the heat efficiency is low; Simultaneously, electric energy is converted into luminous energy, and power consumption is big.Thereby above-mentioned metal material is difficult to make and has electrothermal tube durable in use and that the heat efficiency is high, influenced the scope of application of electrothermal tube to a certain extent.So in recent years, the product that with the nonmetallic materials carbon fiber is electric heating element was by more and more widely use because it not only heat efficiency height, life-span are long, and, under particular surroundings, improve effect, and saves energy.

3, summary of the invention

The utility model provides that a kind of simple in structure, working temperature is stable, long service life, large power carbon fiber electric heating tube for industrial use that electric conversion rate is high.

Large power carbon fiber electric heating tube for industrial use of the present utility model is by external electrode, the electrode end socket, electric heating element, electrode wires, inner support, shell, steam vent is formed, it is characterized in that two above electric heating elements are connected among the shell, be provided with inner support between electric heating element and the shell, be penetrated with inner sleeve in the middle of the electric heating element, be installed with electrode wires in the inner sleeve, be provided with inner support between inner sleeve and the electric heating element, the two ends of electric heating element are provided with the shell-like electrode, the shell-like electrode is connected with electrode wires by connecting line, the electrode end socket that is provided with external electrode is arranged on the two ends of shell, and electrode wires is connected with external electrode by the refractory metal brace.

The beneficial effects of the utility model are:

1, working temperature is even, long service life.Large power carbon fiber electric heating tube for industrial use of the present utility model is the electric heating element of the banded or circle shape of being worked out by the long filament carbon fiber, and overall structure is to be formed by combination of monomers.Thereby can require design power to strengthen or minimizing length, thereby adapt to all temps requirement according to different temperatures.Because quick heating, the heater temperature is even, 300～800 ℃ of serviceability temperatures, power 3000～15000W, electric heating property is stable, reliable, exceeds 10000 hours useful life, frequent starting, close and long-term continuous operation in, heater non-oxidation and punch-through, photochromic even, the inside and outside cleaning of tube wall of generating heat;

2, structural design is simple, energy-conserving and environment-protective.Large power carbon fiber electric heating tube for industrial use of the present utility model adopts the long filament carbon fiber, and length is long, and is simple and reasonable, and serviceability temperature is wide, can economize on electricity 30%, and heat pollution-free, the genus environment-friendly products;

3, the scope of application is wide, and usability is strong at random.Use high-power overlength etc. to require to satisfy in the water of large power carbon fiber electric heating tube for industrial use of the present utility model to industry, food processing industry, manufacturing industry, chemical industry, in the air, be applicable to technological requirement length overlength, the industrial or agricultural main equipment of power super large, thereby it is can extensive use, and practical immediately;

4, electric conversion efficiency height.Large power carbon fiber electric heating tube for industrial use of the present utility model can be adjusted temperature between 300～800 ℃ by the synthetic far ir ray high-efficiency electric-heating body of set of monomers, and the thermal efficiency of carbon fiber electric heating tube has high thermal efficiency up to more than 98%;

5, the far infrared radiation effect is good, and health care is remarkable.The far infrared carbon fiber electric heating tube is a kind of based on radiation infrared heater, and the electric radiation transfer ratio reaches more than 70%.The wavelength of the far infrared that it is launched is between 3-14 μ m, and the far infrared line spectrum of this section wavelength is called as " light of life ", accounts for 80% of whole wavelength.It can be absorbed by airborne hydrone and produce resonance frictional heat effect simultaneously, has realized the effect of quick raising heating ambient temperature.Particularly effectively the activating human body histocyte, stimulate circulation, quicken metabolism, strengthen immunocompetence, also having the heat overwhelming majority that effect far infrared carbon fiber electric heating tubes such as deodorization dehumidifying is antibiotic discharge simultaneously is the far infrared radiation energy, different with metallic heating body, it has avoided the generation of electromagnetic field fully, and does not have surge current.Simultaneously because the far infrared 80% of carbon element object own radiation overlaps with human body infrared, so occupying very big advantage at aspects such as safety, energy-conservation, healthy, comfortablenesses, is the best electric heating element of present performance;

6, cold-resistant heat shocks is strong.This product encapsulating material adopts high-purity dehydroxylation quartz glass tube, and thermal coefficient of expansion is minimum, and high thermal stability is arranged, and can bear violent variations in temperature and does not burst (quartz ampoule is heated to 1500 ℃, drops into rapidly in 20 ℃ of water also not burst);

7, acid, corrosion resistance is strong.Quartz glass is good acid resisting material (except for hydrofluoric acid), is equivalent to 30 times of acid-proof ceramics, and 150 times of stainless steel (nichrome) are the optimal selections of sour body heating.

4, description of drawings

Accompanying drawing 1 is a large power carbon fiber electric heating tube for industrial use overall structure schematic diagram;

Accompanying drawing 2 is to connect enlarged drawing between the electric heating element of large power carbon fiber electric heating tube for industrial use;

Accompanying drawing 3 is profiles of the inner support of large power carbon fiber electric heating tube for industrial use.

Mark in the accompanying drawing is represented respectively: external electrode 1, electrode end socket 2, electrode wires 3, shell-like electrode 4, inner sleeve 5, inner support 6, shell 7, electric heating element 8, connecting line 9, steam vent 10, pore 11, support arm 12, refractory metal brace 13.

5, embodiment

Below in conjunction with accompanying drawing large power carbon fiber electric heating tube for industrial use of the present utility model is done following detailed description the in detail.

As accompanying drawing 1, shown in 2, this electrothermal tube is by external electrode 1, electrode end socket 2, electrode wires 3, inner support 6, shell 7, electric heating element 8, steam vent 10 is formed, wherein two above electric heating elements 8 are connected among the shell 7, be provided with inner support between electric heating element 8 and the shell 7, be penetrated with inner sleeve 5 in the middle of the electric heating element 8, be installed with electrode wires 3 in the inner sleeve 5, be provided with inner support 6 between inner sleeve 5 and the electric heating element 8, the two ends of electric heating element 8 are provided with shell-like electrode 4, shell-like electrode 4 is connected with electrode wires 9 by connecting line 3, the electrode end socket 2 that is provided with external electrode 1 is arranged on the two ends of shell 7, electrode wires 3 is connected with external electrode 1 by the refractory metal brace, and the electrode end socket 2 of shell 7 ends is provided with steam vent 10.

The electrode end socket of shell end is provided with steam vent.

Electric heating element 8 is to be compiled into band shape, tubulose or webmaster shape by the long filament carbon fiber.

Inner sleeve 5 is fastening or welding with the connected mode of shell-like electrode 4.

Inner support 6 and support arm 12 are to be made by resistant to elevated temperatures pottery or mica insulator;

Refractory metal brace 13 is metal molybdenum sheets.

Shell-like electrode 4 is generally selected for use fastening or welding manner with being connected of electric heating element 8, and the electric heating element group that combines can be made the high-power of 300mm to 4000mm length and based on the high-efficiency electric-heating pipe of far ir ray.

As shown in Figure 3, inner support 6 is to be made of support arm 12 and inner support, and support arm 12 appearances are shells 7, there is pore 11 inside, inner support then is made up of electric heating element 8 and inner sleeve 5, is installed with electrode wires 3 in the inner sleeve 5, and inner support 4 is fixed on electric heating element 8 in the appropriate location of shell 7 again; Inner support 4 is generally made by resistant to elevated temperatures pottery or mica insulator.

Shell 7 can use the material of quartz ampoule or other heat-resisting material to make.

Large power carbon fiber electric heating tube for industrial use of the present utility model promptly can be widely used in all kinds of heatings and far infrared health care fields such as warmer, warm-air drier, various beauty apparatus; Can be widely used in oven dry and dry and all kinds of far infrared drying baking boxs fields such as the instrument oven dry is mechanical, drying tea leaves is mechanical, wig oven dry again; Also can be widely used in industrial circles such as baking vanish, plastic-blasting, plastic apparatus, and and existing large power, electrically heat pipe relatively, the thermal efficiency of large power carbon fiber electric heating tube for industrial use is up to more than 98%, thereby, have good economic use value.

Outside the technical characterictic that specification is described, be the known technology of those skilled in the art.

Claims

1, large power carbon fiber electric heating tube for industrial use, its structure is by external electrode, the electrode end socket, electric heating element, electrode wires, inner support, shell, steam vent is formed, it is characterized in that two above electric heating elements are connected among the shell, be provided with inner support between electric heating element and the shell, be penetrated with inner sleeve in the middle of the electric heating element, be installed with electrode wires in the inner sleeve, be provided with inner support between inner sleeve and the electric heating element, the two ends of electric heating element are provided with the shell-like electrode, the shell-like electrode is connected with electrode wires by connecting line, the electrode end socket that is provided with external electrode is arranged on the two ends of shell, and electrode wires is connected with external electrode by the refractory metal brace.

2, large power carbon fiber electric heating tube for industrial use according to claim 1 is characterized in that the electrode end socket of shell end is provided with steam vent.

3, large power carbon fiber electric heating tube for industrial use according to claim 1 is characterized in that electric heating element is to be compiled into band shape, tubulose or webmaster shape by the long filament carbon fiber.

4, large power carbon fiber electric heating tube for industrial use according to claim 1, the connected mode that it is characterized in that inner sleeve and shell-like electrode are fastening or welding.

5, large power carbon fiber electric heating tube for industrial use according to claim 1 is characterized in that inner support is to be made by resistant to elevated temperatures pottery or mica insulator;