CN207763236U - Circulating-heating single-ended electrode heating tube - Google Patents

Circulating-heating single-ended electrode heating tube Download PDF

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Publication number
CN207763236U
CN207763236U CN201820128634.9U CN201820128634U CN207763236U CN 207763236 U CN207763236 U CN 207763236U CN 201820128634 U CN201820128634 U CN 201820128634U CN 207763236 U CN207763236 U CN 207763236U
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tube
heating
display pipe
electrode
circulating
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刘逢时
李林林
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Shandong University
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Shandong University
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Abstract

The utility model discloses circulating-heating single-ended electrode heating tube, outer tube, the outer sleeve bottom is provided with the inlet ducts of cryogenic media to be heated, and the upper one end of outer tube is provided with the delivery channel that high-temperature medium is heated by the heating tube;One end that display pipe and display pipe are set in the outer tube exceeds the outer tube, and heating cavity is formed between the display pipe and outer tube;Electrode is arranged single-ended the utility model, the open end of display pipe is sealed using elevated-temperature seal insulating packing, above structure can realize the good airproof performance of the cavity between cavity and display pipe and outer tube in display pipe, simultaneously, it is isolated by insulating materials between electrode, avoids the short circuit of power supply and the problem that power supply connection is inconvenient.

Description

Circulating-heating single-ended electrode heating tube
Technical field
The utility model is related to technical field of heating, more particularly to circulating-heating single-ended electrode heating tube.
Background technology
Currently, most electric heating tube internal heating wires are screw type structures, heat radiation area and heat exchange area are small, Heat exchange it is inefficient;In addition, the electrode of heating tube mostly use both ends connect, in use, if heating liquid or When steam, closure is bad to lead to liquid and steam leakage, while also resulting in short circuit and the power supply connection inconvenience of power supply The problems such as.
Utility model content
In order to solve the deficiencies in the prior art, the utility model provides circulating-heating single-ended electrode heating tube, the heating Pipe can be realized is heated into high-temperature medium by cryogenic media, efficient, securely and reliably.
Circulating-heating single-ended electrode heating tube, including:
Outer tube, the outer sleeve bottom are provided with the inlet ducts of cryogenic media to be heated, the top one of outer tube End is provided with the delivery channel that high-temperature medium is heated by the heating tube;
One end that display pipe and display pipe are set in the outer tube exceeds the outer tube, the display pipe and housing Heating cavity is formed between pipe;
The display pipe is filled with elevated-temperature seal insulating packing in the open end beyond outer tube, and the display pipe is not filled out Electric heating element support frame is provided in cavity filled with elevated-temperature seal insulating packing, the electric heating element support frame passes through front support Plate and rear bearing sheet are fixed in the display pipe, and calandria is provided on the electric heating element support frame, and the calandria connects It is connected to electrode, the electrode is two, is drawn from the open end of display pipe.
Further, the vacuum vacuumized to display pipe is equipped between the display pipe and outer tube opposite with electrode leads to client Exhaust pipe.
Further, anti-oxidation insulating packing is filled in the cavity after the display pipe vacuumizes.
Further, the electric heating element support frame is high temperature insulation cylindrical tube, the electric heating element using braiding, winding, Or spray coating, in the high temperature insulation cylindrical tube, one end of the electric heating element is connected with inner end screw electrode, the inner end Screw electrode leads to the outlet end of the display pipe, and the other end of the electric heating element is connected with outer end screw electrode, described outer End screw electrode is led to the outlet end of the display pipe by high temperature insulation cylinder tube hub.
Further, the overall structure of the display pipe is cylindrical tube, and the shell pipe end for being provided with Vacuum exhaust tube is half It is spherical.
Further, the outer tube is welded on close to the part of display pipe outlet end on display pipe, the outer tube with Display pipe is structure as a whole.
Further, the invention also discloses circulating-heating single-ended electrode heating tube groups, including multiple circulating-heatings Single-ended electrode heating tube is connected by inlet ducts and delivery channel between circulating-heating single-ended electrode heating tube.
Further, circulating-heating single-ended electrode heating tube and circulating-heating single-ended electrode heating tube group are for realizing treating The cryogenic media of heating heats, and the cryogenic media to be heated is Low Temperature Steam or cryogenic liquid.
Circulating-heating single-ended electrode heating tube manufacturing process, including:
Elevated-temperature seal insulating packing is filled out after being handled using binder and inner end screw electrode, outer end screw electrode, display pipe It fills in display pipe open end;
One end that display pipe opens up Vacuum exhaust tube is hemispherical, domed top and Vacuum exhaust tube using binder or 3~6 hours solidification bondings or welding or heating press seal connection under 600 DEG C~1200 DEG C high temperature;
Electric heating element is using braiding, winding or spray coating on electric heating element support frame;
Front end panel, rear bearing sheet are sleeved on electric heating external surface;
Inner end screw electrode, outer end screw electrode are sleeved on electric heating external surface;
Inner end screw electrode, outer end screw electrode and elevated-temperature seal insulating packing and Vacuum exhaust tube are fixed on display pipe In;
Outer tube is fixed on display pipe and Vacuum exhaust tube position by front end conical pipe, and then outer tube uses binder Or 3~6 hours solidification bondings or heating welding or caking are arranged in display pipe and vacuum under 600 DEG C~1200 DEG C high temperature Position of trachea;
According to delivery channel, inlet ducts caliber is in outer casing pipe hole opening, and then by delivery channel, inlet ducts are using bonding 3~6 hours solidification bondings or heating welding or heating press seal are welded on outer tube trepanning under agent or 600 DEG C~1200 DEG C high temperature Place;
Vacuum exhaust tube is vacuum-evacuated display pipe inner cavity, is vacuum-evacuated after completing, and is filled to display pipe inner cavity Anti-oxidation insulating packing is realized to electric heating element protection against oxidation;
After filling anti-oxidation insulating packing, to vaccum exhaust outlet using binder or 3 under 600 DEG C~1200 DEG C high temperature~ 6 hours solidification bondings or heating welding or heating press seal are welded on outer tube.
At work, heating process is circulating-heating single-ended electrode heating tube:Cryogenic media is entered outer by inlet ducts It is formed between package and outer tube in cavity for heating, electrode electrification, calandria is started to work, and is realized to cryogenic media Heating, the high-temperature medium after heating are discharged by delivery channel, and cryogenic media is Low Temperature Steam or cryogenic liquid.
When circulating-heating single-ended electrode heating tube group is heated, then the stepped heating to cryogenic media can be realized.
Compared with prior art, the utility model has the beneficial effects that:
1. electrode is arranged single-ended the utility model, the open end of display pipe using the sealing of elevated-temperature seal insulating packing, Above structure can realize the good airproof performance of the cavity between cavity and display pipe and outer tube in display pipe, meanwhile, electrode Between be isolated by insulating materials, avoid the short circuit of power supply and the problem that power supply connection is inconvenient.
2, the circulating-heating single-ended electrode heating tube of the application can realize stepped heating, easy to use, and when use can root The quantity of selection circulating-heating single-ended electrode heating tube is carried out according to the temperature finally required.
3, the circulating-heating single-ended electrode heating tube of the application is an integral structure, securely and reliably, highly practical.
Description of the drawings
The accompanying drawings which form a part of this application are used for providing further understanding of the present application, and the application's shows Meaning property embodiment and its explanation do not constitute the improper restriction to the application for explaining the application.
Fig. 1 is the circulating-heating single-ended electrode heating-pipe structure schematic diagram of the utility model;
In figure, 1, inner end screw electrode, 2, outer end screw electrode, 3, elevated-temperature seal insulating packing, 4, display pipe, 5, electric heating Body, 6, front end panel, 7, electric heating element support frame, 8, outer tube, 9, rear bearing sheet, 10, delivery channel, 11, Vacuum exhaust tube, 12, anti-oxidation insulating packing, 13, inlet ducts.
Specific implementation mode
It is noted that following detailed description is all illustrative, it is intended to provide further instruction to the application.Unless another It indicates, all technical and scientific terms used herein has usual with the application person of an ordinary skill in the technical field The identical meanings of understanding.
It should be noted that term used herein above is merely to describe specific implementation mode, and be not intended to restricted root According to the illustrative embodiments of the application.Additionally, it should be understood that when in the present specification use term "comprising" and/ Or when " comprising ", existing characteristics, step, operation, device, component and/or combination thereof are indicated.
As background technology is introduced, deficiency exists in the prior art, in order to solve technical problem as above, the application Propose circulating-heating single-ended electrode heating tube.
In a kind of typical embodiment of the application, as shown in Figure 1, circulating-heating single-ended electrode heating tube is provided, The circulating-heating single-ended electrode heating tube include inner end screw electrode 1, outer end screw electrode 2, elevated-temperature seal insulating packing 3, Display pipe 4, electric heating element 5, front end panel 6, electric heating element support frame 7, outer tube 8, rear bearing sheet 9, delivery channel 10, vacuum row Tracheae 11, anti-oxidation insulating packing 12, inlet ducts 13.
Wherein, outer sleeve bottom is provided with the inlet ducts of cryogenic media to be heated, the upper one end setting of outer tube There is the delivery channel that high-temperature medium is heated by the heating tube;
One end that display pipe and display pipe are set in the outer tube exceeds the outer tube, the display pipe and housing Heating cavity is formed between pipe;
The display pipe is filled with elevated-temperature seal insulating packing in the open end beyond outer tube, and the display pipe is not filled out Electric heating element support frame is provided in cavity filled with elevated-temperature seal insulating packing, the electric heating element support frame passes through front support Plate and rear bearing sheet are fixed in the display pipe, and electric heating element is used or woven or winds or spray coating is supported in electric heating element On skeleton, the calandria is connected to electrode, and the electrode is two, is drawn from the outlet end of display pipe.
The Vacuum exhaust tube vacuumized to display pipe is equipped between the display pipe and outer tube opposite with electrode leads to client.
The display pipe vacuumize after cavity in be provided with anti-oxidation insulating packing.
Further, the electric heating element support frame is high temperature insulation cylindrical tube, the electric heating element using braiding, winding, Or spray coating, in the high temperature insulation cylindrical tube, one end of the electric heating element is connected with inner end screw electrode, the inner end Screw electrode leads to the outlet end of the display pipe, and the other end of the electric heating element is connected with outer end screw electrode, described outer End screw electrode is led to the outlet end of the display pipe by high temperature insulation cylinder tube hub.
The overall structure of the display pipe is cylindrical tube, and the shell pipe end for being provided with Vacuum exhaust tube is hemispherical.
The outer tube is welded on close to the part of display pipe outlet end on display pipe, and the outer tube is one with display pipe Body structure.
The invention also discloses circulating-heating single-ended electrode heating tube groups, including multiple circulating-heating single-ended electrodes to add Heat pipe is connected by inlet ducts and delivery channel between circulating-heating single-ended electrode heating tube.
The preferred material of above-mentioned component part of the utility model is:
Inner end screw electrode, material:Tungsten filament, molybdenum filament or heat-resistance stainless steel;Outer end screw electrode, material:Tungsten filament, molybdenum filament or Heat-resistance stainless steel.Elevated-temperature seal insulating packing, material:Quartz, ceramics or Rock Powder;Calandria display pipe, material:Quartz ampoule, Ceramic tube, carbon steel pipe, Heat-Resisting Stainless Steel Tube, copper pipe or aluminum pipe;Electric heating element, material:Carbon fiber, tungsten filament, molybdenum filament, nickel filament, iron Chrome-aluminium wire or graphite conducting composite material;Front end panel, material:Ceramics, quartz or metal;Electric heating element support frame, material:Stone English or ceramics;Outer tube, material:Ceramic tube, quartz ampoule, Heat-Resisting Stainless Steel Tube or carbon steel pipe.
Rear bearing sheet, material:Ceramics, quartz or metal;Delivery channel, material:It is quartz ampoule, ceramic tube, carbon steel pipe, heat-resisting Stainless steel tube, copper pipe or aluminum pipe;Vacuum exhaust tube, material:Quartz ampoule, ceramic tube, carbon steel pipe, Heat-Resisting Stainless Steel Tube, copper pipe or Aluminum pipe;Anti-oxidation insulating packing, material:Nitrogen, argon gas or magnesia powder;Inlet ducts, material:Quartz ampoule, ceramic tube, carbon steel Pipe, Heat-Resisting Stainless Steel Tube, copper pipe or aluminum pipe.
The processing technology of circulating-heating single-ended electrode heating tube:
Inner end screw electrode, outer end screw electrode are mounted on using mechanical coiling and mounting tool with carbon fiber, tungsten filament, molybdenum Silk, nickel filament, Fe-Cr-Al wire, on graphite conducting composite material electric heating external surface.
Elevated-temperature seal insulating packing using binder and inner end screw electrode, outer end screw electrode, calandria display pipe at After reason, using binder or solidification in 3~6 hours is bonded under 600 DEG C~1200 DEG C high temperature or heating is welded or heating press seal Welding.
Calandria display pipe is half using quartz ampoule, ceramic tube, carbon steel pipe, Heat-Resisting Stainless Steel Tube, copper pipe, aluminum pipe, front end Spherical shape, domed top and Vacuum exhaust tube using binder or under 600 DEG C~1200 DEG C high temperature solidification in 3~6 hours it is Nian Jie, Or welding, or heating press seal connection;
Electric heating element is adopted using carbon fiber, tungsten filament, molybdenum filament, nickel filament, Fe-Cr-Al wire, graphite conducting composite material, electric heating element With braiding, winding or spray coating on electric heating element support frame;
Specifically, first front end panel, rear bearing sheet are gently sleeved on carbon fiber, tungsten filament, molybdenum filament, nickel filament, ferrum-chromium-aluminum Silk, graphite conducting composite material electric heating external surface;
Then, it is sleeved on carbon fiber, tungsten by special nonstandard mounting tool in inner end screw electrode, outer end screw electrode Silk, molybdenum filament, nickel filament, Fe-Cr-Al wire, on graphite conducting composite material electric heating external surface.
It is fixed on and is added by inner end screw electrode, outer end screw electrode and elevated-temperature seal insulating packing and Vacuum exhaust tube again Hot body case tube hub.
Outer tube front end is fixed on calandria display pipe and Vacuum exhaust tube position, then uses binder or at 600 DEG C 3~6 hours solidification bondings or heating welding or caking are realized under~1200 DEG C of high temperature.
According to delivery channel, then inlet ducts caliber uses binder or 600 DEG C~1200 DEG C height in outer casing pipe hole opening Lower 3~6 hours solidification bondings of temperature or heating welding or heating press seal welding;
To prevent electric heating element carbon fiber, tungsten filament, molybdenum filament, nickel filament, Fe-Cr-Al wire, graphite conducting composite material from using process Oxidation, Vacuum exhaust tube can be vacuum-evacuated calandria shell tube cavity, be vacuum-evacuated after completing, can be to outside calandria Package inner cavity fills nitrogen, argon gas or magnesia powder realize to electric heating element carbon fiber, tungsten filament, molybdenum filament, nickel filament, Fe-Cr-Al wire, Graphite conducting composite material protection against oxidation.After filling nitrogen, argon gas or magnesia powder, to vaccum exhaust outlet using binder or 3~6 hours solidification bondings or heating welding or heating press seal welding under 600 DEG C~1200 DEG C high temperature.
The foregoing is merely the preferred embodiments of the application, are not intended to limit this application, for the skill of this field For art personnel, the application can have various modifications and variations.Within the spirit and principles of this application, any made by repair Change, equivalent replacement, improvement etc., should be included within the protection domain of the application.

Claims (8)

1. circulating-heating single-ended electrode heating tube, characterized in that including:
Outer tube, the outer sleeve bottom are provided with the inlet ducts of cryogenic media to be heated, and the upper one end of outer tube is set It is equipped with the delivery channel that high-temperature medium is heated by the heating tube;
One end that display pipe and display pipe are set in the outer tube exceeds the outer tube, the display pipe and outer tube it Between form heating cavity;
The display pipe is filled with elevated-temperature seal insulating packing in the open end beyond outer tube, and the display pipe is not filled with Be provided with electric heating element support frame in the cavity of elevated-temperature seal insulating packing, the electric heating element support frame by front end panel and Rear bearing sheet is fixed in the display pipe, and calandria is provided on the electric heating element support frame, and the calandria is connected to Electrode, the electrode are two, are drawn from the open end of display pipe.
2. circulating-heating single-ended electrode heating tube as described in claim 1, characterized in that the shell opposite with electrode leads to client The Vacuum exhaust tube vacuumized to display pipe is equipped between pipe and outer tube.
3. circulating-heating single-ended electrode heating tube as claimed in claim 2, characterized in that the display pipe vacuumize after chamber It is filled with anti-oxidation insulating packing in vivo.
4. circulating-heating single-ended electrode heating tube as described in claim 1, characterized in that the electric heating element support frame is resistance to Thermal insulation cylindrical tube, the electric heating element use braiding, winding or spray coating in the high temperature insulation cylindrical tube, the electricity One end of hot body is connected with inner end screw electrode, and the inner end screw electrode leads to the outlet end of the display pipe, the electricity The other end of hot body is connected with outer end screw electrode, and the outer end screw electrode is led to described by high temperature insulation cylinder tube hub The outlet end of display pipe.
5. circulating-heating single-ended electrode heating tube as described in claim 1, characterized in that the overall structure of the display pipe is Cylindrical tube, the shell pipe end for being provided with Vacuum exhaust tube are hemispherical.
6. circulating-heating single-ended electrode heating tube as described in claim 1, characterized in that the outer tube goes out close to display pipe The part at mouth end is welded on display pipe, and the outer tube is structure as a whole with display pipe.
7. circulating-heating single-ended electrode heating tube group, characterized in that add including multiple cycles as described in claim 1-6 is any Hot single-ended electrode heating tube is connected by inlet ducts and delivery channel between circulating-heating single-ended electrode heating tube.
8. circulating-heating single-ended electrode heating tube group as claimed in claim 7, characterized in that the cryogenic media to be heated For Low Temperature Steam or cryogenic liquid.
CN201820128634.9U 2018-01-25 2018-01-25 Circulating-heating single-ended electrode heating tube Active CN207763236U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201820128634.9U CN207763236U (en) 2018-01-25 2018-01-25 Circulating-heating single-ended electrode heating tube

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Application Number Priority Date Filing Date Title
CN201820128634.9U CN207763236U (en) 2018-01-25 2018-01-25 Circulating-heating single-ended electrode heating tube

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CN207763236U true CN207763236U (en) 2018-08-24

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Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN108105994A (en) * 2018-01-25 2018-06-01 山东大学 Circulating-heating single-ended electrode heating tube and its processing technology
CN111486588A (en) * 2020-04-26 2020-08-04 中能华邦环保科技有限公司 Instant heating type nanometer boiler furnace

Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN108105994A (en) * 2018-01-25 2018-06-01 山东大学 Circulating-heating single-ended electrode heating tube and its processing technology
CN108105994B (en) * 2018-01-25 2023-09-19 山东大学 Circularly heated single-ended electrode heating pipe and processing technology thereof
CN111486588A (en) * 2020-04-26 2020-08-04 中能华邦环保科技有限公司 Instant heating type nanometer boiler furnace
CN111486588B (en) * 2020-04-26 2021-07-02 中能华邦环保科技有限公司 Instant heating type nanometer boiler furnace

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