CN205408191U - Electric heater unit of mechanical tubes column structure - Google Patents
Electric heater unit of mechanical tubes column structure Download PDFInfo
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- CN205408191U CN205408191U CN201620168151.2U CN201620168151U CN205408191U CN 205408191 U CN205408191 U CN 205408191U CN 201620168151 U CN201620168151 U CN 201620168151U CN 205408191 U CN205408191 U CN 205408191U
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- electrothermal tube
- heating wire
- eduction rod
- insulator
- flange
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Abstract
The utility model belongs to the technical field of electric heater unit, the utility model relates to an electric heater unit of mechanical tubes column structure, the inside overheat protection device that all is provided with in both ends of hollow pipeline form electrothermal tube, the structure from interior to exterior of overheat protection device is in proper order by the heating wire, magnesium oxide, the interior stick of drawing forth, draw the stick outward, the fuse becomes with insulator set, draw forth on the stick including fixed the cup jointing of one end of the heating wire of wind structure, interiorly draw the stick and draw outward and be provided with the fuse between the stick, the insulator has been cup jointed to the outer end of drawing the stick outward, the other end of heating wire stretches into in the electrothermal tube, the heating wire has magnesium oxide with the closely knit packing of clearance department of electrothermal tube, bending into between the electrothermal tube both ends of heterotypic structure through flange fixed connection, installing thermosensor through rivet and pressure plate assembly on the flange, the electrothermal tube is provided with the rubber seal strip with flange contact space department, and the insulator that the electrothermal tube both ends were located all encapsulates through the terminal, the device simple structure, the novelty of selecting materials, the finished product is of high quality, long service life.
Description
Technical field:
This utility model belongs to electric heater unit technical field, relates to the electric heater unit of a kind of special-shaped tubular structure, and electrothermal tube adopts Ying Gelai 800 material, and two ends are furnished with overtemperature protection system, substantially increase service life and the security performance of electric heater unit.
Background technology:
Electric heater unit is a kind of electric heating equipment being mainly made up of electric heating tube, is used for the liquid medium to flowing and gaseous medium heats up, protects mild heat；So-called electric heating tube is a kind of tubular electrothermal element being made up of metal tube spiral resistance wire and crystal magnesium oxide powder etc..Electric heating tube material common in currently available technology includes: (1) stainless steel sheath heater, although rustless steel adds hot pipe technique relatively early, but due to stainless steel poor ductility, heat-generating pipe protective metal shell and inner bag all adopt the heater that seamed stainless steel tube synthesizes, thus it has been covered with weld seam, in addition the area load adding heat pipe is higher so that incrustation scale is easily tied to such an extent as to had a strong impact on the heat radiation of technology calandria；(2) film heating pipe led by glass, although preferably resolves Anticorrosion Problems, but there will be explosion when expanding with heat and contract with cold and cause leaking, and heating film is aging comparatively fast, causes material loss relatively big and potential safety hazard；(3) pure red copper (anaerobic red copper) heater, although the antioxidation of red copper, corrosion resistance are all stronger, it is possible to reduce the harm of incrustation scale and the thermal efficiency is provided, but cost is too high and to be used widely in electric heater industry.
Ying Gelai 800 is a kind of nichrome, aims at antioxidation and carbonization when temperature raises and designs, to be used for filling up the demand of heat-resisting, the corrosion resisting alloy to relatively low nickel-content.Owing to it has the corrosion of good resistance to HNO3 (can stand the corrosion of boiling temperature 70%HNO3), organic acid, oxidisability except haloid and non-oxide salt, and the high temperature corrosion property of antioxidation, impervious carbon and other form, and then it is widely used in the environment of various corrosion and high temperature.Ying Gelai 800 is used as nitric acid medium in chemical industry and petrochemical process, for manufacturing the heater of cooked solution in pulp production, in the oil industry for manufacturing heat exchanger of air cooling process steam etc., but the application in electrothermal tube industry is uncommon, the various performances of this kind of alloy material are understood few by a lot of electrothermal tube production technology personnel, and the guardian technique especially this kind of material produced for electrothermal tube is not yet grasped.Therefore applicant is through practical studies for many years, design the electric heater unit of a kind of special-shaped tubular structure, by in the improvement to the material of electric heating tube and technique, fundamentally increase the high temperature resistance of electric heater unit, antioxygenic property, realize the normal use under various special severe water quality environments, there is good economic worth and social benefit.
Summary of the invention:
The purpose of this utility model is in that the shortcoming overcoming prior art to exist, seek design and the electric heater unit of a kind of special-shaped tubular structure is provided, by the Curve guide impeller to electric heating tube material and technique, to improve the performances such as overall high temperature resistant, the antioxidation of electric heater unit.
nullTo achieve these goals，The electric heater unit agent structure of the special-shaped tubular structure that this utility model relates to includes electrothermal tube、Heating wire、Magnesium oxide、Interior eduction rod、Outer eduction rod、Fuse、Anchor plate kit、Heat sensor、Flange、Rubber weather strip、Insulator and terminal，It is provided with, inside the two ends of the hollow pipe shape electrothermal tube of Ying Gelai 800 material, the overtemperature protection system that structure is identical，The structure of overtemperature protection system is from the inside to the outside successively by heating wire、Magnesium oxide、Interior eduction rod、Outer eduction rod、Fuse and insulator composition，Fixedly sleeved on interior eduction rod around one end of the heating wire of coil structures，It is provided with fuse between interior eduction rod and outer eduction rod，For realizing automatically fusing when heating wire temperature is too high，The outer end of outer eduction rod is socketed with insulator to realize exterior insulation，The other end of heating wire stretches in electrothermal tube，The gap location dense packing effect of heating wire and electrothermal tube has the magnesium oxide of granular structure；It is bent between abnormally-structured electrothermal tube two ends to be fixedly connected by flange, flange is provided with heat sensor by rivet and Anchor plate kit, electrothermal tube and flange contact gap are provided with rubber weather strip, and the insulator at electrothermal tube two ends place is encapsulated to realize external good insulation each through terminal.
Preferably, described electrothermal tube is the hollow pipe of Ying Gelai 800 material after atmosphere protection stove processes under 1100-1150 DEG C of high temperature；Described heat sensor is NTC thermal resistance sensor；Described abnormally-structured shape includes U-shaped, V-type, Z-type, W type or E type.
This utility model compared with prior art, adopts the Ying Gelai 800 material hollow pipe after atmosphere protection stove high-temperature process as the material of electrothermal tube, substantially increases the high temperature resistant of electrothermal tube and rotproofness；The two ends of electric heating tube are internally provided with fuse as overtemperature protection system, in order to realize accurate, sensitive temperature control effect；This apparatus structure is simple, and novelty of selecting materials, simple for production, quality of finished product good, long service life, security performance is good.
Accompanying drawing illustrates:
Fig. 1 is agent structure principle schematic of the present utility model.
Detailed description of the invention:
Below in conjunction with accompanying drawing and by embodiment, this utility model is made further description.
Embodiment:
nullThe electric heater unit agent structure of the special-shaped tubular structure that the present embodiment relates to includes electrothermal tube 1、Heating wire 2、Magnesium oxide 3、Interior eduction rod 4、Outer eduction rod 5、Fuse 6、Anchor plate kit 7、Heat sensor 8、Flange 9、Rubber weather strip 10、Insulator 11 and terminal 12，It is provided with, inside the two ends of the hollow pipe shape electrothermal tube 1 of Ying Gelai 800 material, the overtemperature protection system that structure is identical，Overtemperature protection system structure is from the inside to the outside successively by heating wire 2、Magnesium oxide 3、Interior eduction rod 4、Outer eduction rod 5、Fuse 6 and insulator 11 form，Fixedly sleeved on interior eduction rod 4 around one end of the heating wire 2 of coil structures，It is provided with fuse 6 between interior eduction rod 4 and outer eduction rod 5，For realizing automatically fusing when heating wire 2 temperature is too high，The outer end of outer eduction rod 5 is socketed with insulator 11 to realize exterior insulation，The other end of heating wire 2 stretches in electrothermal tube 1，The gap location dense packing effect of heating wire 2 and electrothermal tube 1 has the magnesium oxide 3 of granular structure；It is bent between abnormally-structured electrothermal tube 1 two ends and is fixedly connected by flange 9, flange 9 is provided with heat sensor 8 by rivet and Anchor plate kit 7, electrothermal tube 1 and flange 9 contact gap place are provided with rubber weather strip 10, and the insulator 11 at electrothermal tube 1 two ends place is encapsulated to realize external good insulation each through terminal 12.
The electrothermal tube 1 related in the present embodiment is the hollow pipe of Ying Gelai 800 material after atmosphere protection stove processes under 1060 DEG C of high temperature；The shape of described abnormally-structured electrothermal tube 1 includes U-shaped, V-type, Z-type, W type or E type；The resistance value of described heating wire 2 to meet client and specify the corresponding cold conditions electricity group required of power；Described heat sensor 8 is NTC thermal resistance sensor.
The above, be only detailed description of the invention of the present utility model, but protection domain of the present utility model be not limited thereto；Any belong to those skilled in the art in the technical scope that this utility model discloses, the change that can readily occur in or replacement, all should be encompassed within protection domain of the present utility model.
Claims (2)
1. the electric heater unit of a special-shaped tubular structure, it is characterized in that agent structure includes electrothermal tube, heating wire, magnesium oxide, interior eduction rod, outer eduction rod, fuse, Anchor plate kit, heat sensor, flange, rubber weather strip, insulator and terminal, it is provided with, inside the two ends of the hollow pipe shape electrothermal tube of Ying Gelai 800 material, the overtemperature protection system that structure is identical, the structure of overtemperature protection system is from the inside to the outside successively by heating wire, magnesium oxide, interior eduction rod, outer eduction rod, fuse and insulator composition, fixedly sleeved on interior eduction rod around one end of the heating wire of coil structures, it is provided with fuse between interior eduction rod and outer eduction rod, the outer end of outer eduction rod is socketed with insulator, the other end of heating wire stretches in electrothermal tube, the gap location dense packing effect of heating wire and electrothermal tube has the magnesium oxide of granular structure；It is bent between abnormally-structured electrothermal tube two ends and connects by flange is fixing, flange is provided with heat sensor by rivet and Anchor plate kit, electrothermal tube and flange contact gap are provided with rubber weather strip, and the insulator at electrothermal tube two ends place is encapsulated each through terminal.
2. the electric heater unit of special-shaped tubular structure according to claim 1, it is characterised in that described abnormally-structured shape includes U-shaped, V-type, Z-type, W type or E type.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620168151.2U CN205408191U (en) | 2016-03-04 | 2016-03-04 | Electric heater unit of mechanical tubes column structure |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620168151.2U CN205408191U (en) | 2016-03-04 | 2016-03-04 | Electric heater unit of mechanical tubes column structure |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN205408191U true CN205408191U (en) | 2016-07-27 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201620168151.2U Active CN205408191U (en) | 2016-03-04 | 2016-03-04 | Electric heater unit of mechanical tubes column structure |
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| CN (1) | CN205408191U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105792391A (en) * | 2016-03-04 | 2016-07-20 | 青岛易特优电子有限公司 | Special-tube-shaped electric heating apparatus and preparation method therefore |
| CN110657413A (en) * | 2019-10-10 | 2020-01-07 | 河南恒诺锅炉有限公司 | Electric heating steam generator |
-
2016
- 2016-03-04 CN CN201620168151.2U patent/CN205408191U/en active Active
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105792391A (en) * | 2016-03-04 | 2016-07-20 | 青岛易特优电子有限公司 | Special-tube-shaped electric heating apparatus and preparation method therefore |
| CN105792391B (en) * | 2016-03-04 | 2019-03-29 | 青岛易特优电子有限公司 | A kind of electric heater unit and preparation method of abnormal shape tubular structure |
| CN110657413A (en) * | 2019-10-10 | 2020-01-07 | 河南恒诺锅炉有限公司 | Electric heating steam generator |
| CN110657413B (en) * | 2019-10-10 | 2020-11-24 | 河南恒诺锅炉有限公司 | Electric heating steam generator |
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