CN110087352A - Electrothermal tube - Google Patents
Electrothermal tube Download PDFInfo
- Publication number
- CN110087352A CN110087352A CN201910398270.5A CN201910398270A CN110087352A CN 110087352 A CN110087352 A CN 110087352A CN 201910398270 A CN201910398270 A CN 201910398270A CN 110087352 A CN110087352 A CN 110087352A
- Authority
- CN
- China
- Prior art keywords
- column
- resistance wire
- magnesia
- tube
- cold end
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Granted
Links
Classifications
-
- H—ELECTRICITY
- H05—ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
- H05B—ELECTRIC HEATING; ELECTRIC LIGHT SOURCES NOT OTHERWISE PROVIDED FOR; CIRCUIT ARRANGEMENTS FOR ELECTRIC LIGHT SOURCES, IN GENERAL
- H05B3/00—Ohmic-resistance heating
- H05B3/02—Details
-
- H—ELECTRICITY
- H05—ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
- H05B—ELECTRIC HEATING; ELECTRIC LIGHT SOURCES NOT OTHERWISE PROVIDED FOR; CIRCUIT ARRANGEMENTS FOR ELECTRIC LIGHT SOURCES, IN GENERAL
- H05B3/00—Ohmic-resistance heating
- H05B3/40—Heating elements having the shape of rods or tubes
- H05B3/42—Heating elements having the shape of rods or tubes non-flexible
- H05B3/48—Heating elements having the shape of rods or tubes non-flexible heating conductor embedded in insulating material
Landscapes
- Resistance Heating (AREA)
Abstract
The invention discloses electrothermal tubes, including inlet wire line bank, center conductive stick, spiral resistance wire and outlet line bank；The first cold end magnesia column is provided in protective metal shell pipe, magnesia column and the second cold end magnesia column in guarantor；First cold end magnesia column and the second cold end magnesia column are coaxially set in guarantor respectively above and below magnesia column；The circular ring plate integral into helical structure is machined in guarantor on the inner wall of magnesia column；Center conductive stick runs through between two parties to be arranged in outlet contact tube；The lower end and upper end of center conductive stick are connected separately with resistance wire connector and inlet wire line bank；Outlet line bank is connected on outlet contact tube；Spiral resistance wire upper end is electrically connected with outlet contact tube, and lower end is electrically connected with resistance wire connector, and the other parts spiral of spiral resistance wire is arranged in guarantor on the circular ring plate of magnesia column wall.The electrothermal tube ensure that the longitudinal pitch of spiral resistance wire is consistent, and be centrally located, and improve the heat transfer efficiency of electrothermal tube, and heating temperature is uniform.
Description
Technical field
The invention belongs to electric-heating technology fields, and in particular to electrothermal tube.
Background technique
Electrothermal tube is tubular electrothermal element, is a kind of electric elements for specially converting electrical energy into thermal energy.It is with metal
Protecting pipe is shell (including stainless steel, copper tube), and central axial distributing auger lectrothermal alloy wire (close by nickel chromium triangle, siderochrome along pipe
Gold) magnesium oxide sand of its gap padding and compacting with good insulation heating conduction, nozzle both ends silica gel sealing, this metal electricity
Thermal element can heat air, fused salt, metal die and various liquid.Common electrothermal tube has Electrothermic tube with fins, Teflon electricity
Heat pipe, single-end electrothermal tube etc..It is easy for installation using simple, it is pollution-free, it is widely used in various heating occasions.
The powder technique of filling out of electrothermal tube is vertical operation, spiral resistance wire be arranged vertically in protecting pipe, due to spiral electricity
The own wt of resistance silk can generate sagging, and it is conventional protect in pipe fill out powder technique and be unable to control between the spiral of spiral resistance wire
Away from causing electrothermal tube fever uneven, hot-spot caused to influence product quality and service life.And conventional electrothermal tube fills out powder technique
Used in protect in pipe device, vibration fill out powder during it is difficult to ensure that spiral resistance wire precision placed in the middle, spiral resistance wire hold
Easy bias causes creepage distance between resistance wire and protecting pipe to reduce, and electrothermal tube insulation performance can not be suitable for high voltage, high temperature
Equal environment, urgent need want a technical solution to solve the problems, such as that spiral spacing of the resistance wire in electrothermal tube is unevenly and placed in the middle.
Summary of the invention
The purpose of the present invention is to solve the above problem, and the electrothermal tube provided.
The solution of the present invention is as follows: electrothermal tube, including inlet wire line bank, center conductive stick, spiral resistance wire, outlet conduction
Pipe, protective metal shell pipe and outlet line bank；It has been centrally located the first cold end magnesia column in the protective metal shell pipe, has aoxidized in guarantor
Magnesium column and the second cold end magnesia column；The first cold end magnesia column and the second cold end magnesia column are coaxially set respectively
In guarantor above and below magnesia column；Uniform circular ring plate is machined in the guarantor on the inner wall of magnesia column；The circular ring plate
Integral into helical structure, screw pitch uniformity；The center conductive stick runs through between two parties to be arranged in outlet contact tube；Center conductive
The lower end of stick is arranged in the second cold end magnesia column；The upper end of center conductive stick is exposed, and in the upper end of center conductive stick
It is connected with inlet wire line bank；Outlet line bank is connected on the outlet contact tube；It is led with outlet the spiral resistance wire upper end
Fulgurite electrical connection, lower end are electrically connected with center conductive stick lower end, and the other parts spiral setting of spiral resistance wire aoxidizes in guarantor
On the circular ring plate at helical structure of magnesium column wall, inlet wire line bank, center conductive stick, spiral resistive are sequentially entered by power supply
The lower end of silk, the upper end of spiral resistance wire, outlet contact tube and outlet line bank form closed circuit.
Further, porcelain tube is provided with above the outlet contact tube；The outlet conduction tube outer surface setting
There is lower porcelain tube；The lower end of lower porcelain tube and the upper surface of the first cold end magnesia column and protective metal shell pipe are butted into sealing
Structure.
Further, the upper porcelain tube is identical with lower porcelain tube structure, in the inner hole of upper porcelain tube upper surface
It is provided with chamfering, lower surface is provided with step, which is beneficial to connect and be sealed with glue.
Further, insulation filler is provided in the gap between the center conductive stick and outlet contact tube；It is described
The lower end of center conductive stick is connected with resistance wire connector；The lower end of the spiral resistance wire passes through resistance wire connector and center
The lower end of conductive rod is electrically connected.
Further, center conductive stick outer surface is provided with insulating ceramics column；The insulating ceramics column sleeve is at center
On conductive rod, the upper surface of insulating ceramics column is located at the step lower end of upper porcelain tube, and the lower surface of insulating ceramics column is connected to
The lower end of center conductive stick.
Further, the insulating ceramics column is connected in sequence by several insulating ceramics column monomers；Insulating ceramics
Recess is provided in the inner hole of column monomer upper surface, insulating ceramics column monomer lower surface is provided with the protrusion docked with recess
Portion, insulating ceramics column monomer production easy to process, is also convenient to install, and reduces the difficulty of production cost and processing.
Further, it is provided with glue in the gap of the upper porcelain tube and outlet contact tube docking site, under described
Glue is provided in the gap of porcelain tube and protective metal shell pipe docking site.
Further, the material of above-mentioned glue is the AB glue water of 704 glue of silicon rubber and HARDMAN company, the U.S.；The U.S.
The component A model of the AB glue water of HARDMAN company is adhesive HARDMAN 46717, and B component model is adhesive HARDMAN
56717, A and B component mixed according to 1:1 after use, the AB glue water elder generation Feng Yici of U.S. HARDMAN company is first used, then silicon rubber
704 glue sealing of glue is to AB glue water surface.
Further, the second cold end magnesia column lower end is provided with metal sealing piece；The metal sealing piece is fixed
In protective metal shell pipe, protective metal shell pipe lower surface and the second cold end magnesia column lower end are sealed.
Further, helicla flute is provided on the outer wall of the lower end of the outlet contact tube；The spiral resistance wire it is upper
It holds spiral to be arranged in helicla flute, and electrically fix with outlet contact tube.
Further, outlet contact tube lower end is located at the top of the lower end of the first cold end magnesia column.
Further, the place in other gaps is filled with compacting magnesia powder in the protective metal shell pipe.
Further, the spiral resistance wire is using circle resistance wire or flat resistance wire.
Further, magnesia column, the first cold end magnesia column and the second cold end magnesia column are by two in the guarantor
A semicolumn or so merges；The first inclined surface is provided in guarantor on the semicolumn of magnesia column；First cold end magnesia column
The second inclined surface is provided with on the semicolumn of the second cold end magnesia column.
The invention has the benefit that electrothermal tube of the invention, magnesia column, the first cold end magnesia column and second in guarantor
Cold end magnesia column structure design spiral resistance wire can be uniformly fixed in electrothermal tube, avoid spiral resistance wire because
Self weight, spacing changes the case where cannot support, caused by electrothermal tube fever it is uneven.And spiral resistive of the invention
Silk is centrally located, and not only ensure that the longitudinal pitch of spiral resistance wire is consistent, but also resists that fill out powder stability of vibration good, is substantially mentioned
High spiral resistance wire precision placed in the middle, increases the creepage distance between spiral resistance wire and protecting pipe, electricity is greatly improved
The insulation performance of heat pipe, and the service life of the electrothermal tube of the application can greatly improve 6-8, while production cost is market
The a quarter of common electrothermal tube.
Detailed description of the invention
Fig. 1 is schematic cross-sectional view of the present invention；
Fig. 2 is spiral resistance wire wiring construction schematic diagram of the present invention；
Fig. 3 is magnesia column schematic cross-sectional view during the present invention protects；
Fig. 4 is the schematic perspective view of cold end magnesia column of the present invention.
Fig. 5 is enlarged diagram at H of the present invention.
Fig. 6 is insulating ceramics column and center conductive stick connection schematic diagram.
Fig. 7 is insulating ceramics column monomer structure schematic diagram.
Fig. 8 is the structural schematic diagram of upper porcelain tube and lower porcelain tube.
Wherein: 1, inlet wire line bank；2, center conductive stick；3, upper porcelain tube；4, outlet contact tube；5, insulation filling
Object；6, outlet line bank；7, lower porcelain tube；8, the first cold end magnesia column；9, spiral resistance wire；10, magnesia column in protecting；
11, protective metal shell pipe；12, resistance wire connector；13, the second cold end magnesia column；14, metal sealing piece；15, insulating ceramics
Column；16, step；41, helicla flute；101, the first inclined surface；102, circular ring plate；131, the second inclined surface；151, insulating ceramics column
Monomer.
Specific embodiment
The present invention will be further described by Fig. 1 to Fig. 8 with reference to the accompanying drawings of the specification.
Embodiment 1
As shown in Figures 1 to 8, a kind of electrothermal tube of the invention, including inlet wire line bank 1, center conductive stick 2, spiral electricity
Hinder silk 9, outlet contact tube 4, protective metal shell pipe 11 and outlet line bank 6；First has been centrally located in the protective metal shell pipe 11
Magnesia column 10 and the second cold end magnesia column 13 in cold end magnesia column 8, guarantor；The first cold end magnesia column 8 and second
Cold end magnesia column 13 is coaxially set in guarantor respectively above and below magnesia column 10；Magnesia column 10 is interior in the guarantor
Uniform circular ring plate 102 is machined on wall；The circular ring plate 102 is integral into helical structure, screw pitch uniformity；It leads at the center
Torch 2 is between two parties through setting in outlet contact tube 4；The lower end of center conductive stick 2 is arranged in the second cold end magnesia column 13；
The upper end of center conductive stick 2 is exposed, and is connected with inlet wire line bank 1 in the upper end of center conductive stick 2；The outlet contact tube
Outlet line bank 6 is connected on 4；9 upper end of spiral resistance wire is electrically connected with outlet contact tube 4, lower end and center conductive stick 2
Lower end is electrically connected by spot welding or argon arc welding, and the other parts spiral of spiral resistance wire 9 is arranged in guarantor in magnesia column 10
On the circular ring plate 102 at helical structure of wall, magnesia column 10 and circular ring plate 102 use identical material, and power supply sequentially enters
Inlet wire line bank 1, center conductive stick 2, the lower end of spiral resistance wire 9, the upper end of spiral resistance wire 9, outlet contact tube 4 and outlet
Line bank 6 forms closed circuit.Magnesia column 10, the first cold end magnesia column 8 and the second cold end magnesia in guarantor of the invention
Column 13 structure design spiral resistance wire 9 can be uniformly fixed in electrothermal tube, avoid spiral resistance wire 9 because self weight,
Spacing changes the case where cannot support, caused by thermally conductive non-uniform temperature, and the precision placed in the middle of spiral resistance wire 9
It is high, resist and fill out that powder stability of vibration is good, increase the creepage distance between spiral resistance wire 9 and protective metal shell pipe 11, significantly
The electrical insulation capability of electrothermal tube is improved, withFor electrothermal tube, the powder draw is filled out using pipe mode in conventional protect
Afterwards, spiral resistance wire centralizer is detected using pressure tester, voltage pressure voltage test result does not exceed 3500V/ generally
Min, for same specification electrothermal tube according to the solution of the present invention, voltage pressure voltage is 7200V/min, and qualification rate is not less than 99.3%,
It is significantly better than market conventional products.
Further, it is provided with porcelain tube 3 above the outlet contact tube 4, guarantees the insulating properties of electrothermal tube.
Further, 4 outer surface of outlet contact tube is provided with lower porcelain tube 7；The lower end of lower porcelain tube 7 and the
The upper surface of one cold end magnesia column 8 and protective metal shell pipe 11 is butted into sealing structure, achievees the effect that sealed insulation.Upper insulation
Porcelain tube 3 and lower porcelain tube 7 use nine-five aluminium oxide ceramic material, have high temperature resistant, high mechanical strength, good insulation preformance, anti-electricity
Intensity is big, the good feature of chemical stability, and the outer dimension of product made of the material is accurate.
Further, it is provided with insulation filler 5 in the gap between the center conductive stick 2 and outlet contact tube 4, absolutely
Edge filler is typically chosen magnesia powder, preferably to improve the insulating properties and heat transfer efficiency of electrothermal tube.
Further, 13 lower end of the second cold end magnesia column is provided with metal sealing piece 14；The metal sealing piece
14 are fixed in protective metal shell pipe 11, and 11 lower surface of protective metal shell pipe and 13 lower end of the second cold end magnesia column are sealed,
Guarantee the leakproofness of entire metal electric heating pipe.
Further, helicla flute 41 is provided on the outer wall of the lower end of the outlet contact tube 4；The spiral resistance wire 9
Upper end spiral be arranged in helicla flute 41, and carry out electrical fixation with outlet contact tube 4, the upper end welding of spiral resistance wire 9
Into helicla flute 41, it ensure that contact is good.
Further, 4 lower end of outlet contact tube is located at the top of the lower end of the first cold end magnesia column 8.
Further, the place in other gaps guarantees electricity filled with compacting magnesia powder in the protective metal shell pipe 11
Insulating properties improves heat transfer efficiency.
Further, the spiral resistance wire 9 can be list using circle resistance wire or flat resistance wire, spiral resistance wire 9
Stock either multiply, if using flat resistance wire, the flat electricity of very thin thickness is can be used in the structure of electrothermal tube of the invention
Silk is hindered, thickness can achieve 0.05 millimeter, so that the outer diameter of flat resistance wire be made to increase to the creepage distance of the inner wall of protective metal shell pipe
Add, can be designed that the electrothermal tube of higher voltage grade.
Further, magnesia column 10, the first cold end magnesia column 8 and the second cold end magnesia column 13 are in the guarantor
Merged by two semicolumns or so；The first inclined surface 101 is provided in guarantor on the semicolumn of magnesia column 10；First cold end
The second inclined surface 131 is provided on the semicolumn of magnesia column 8 and the second cold end magnesia column 13.The structure design of semicolumn can
In order to install, when the structure design of the first inclined surface 101 and the second inclined surface 131 makes to fill out powder, the stream of magnesia powder is increased
Logical space, promotes circulation, and after installation, then addition magnesia powder filling carries out the draw, reaches better seal effect, also make
Difficulty of processing substantially reduces.
Embodiment 2
As shown in Figures 1 to 4, a kind of electrothermal tube of the invention, including inlet wire line bank 1, center conductive stick 2, spiral electricity
Hinder silk 9, outlet contact tube 4, protective metal shell pipe 11 and outlet line bank 6；First has been centrally located in the protective metal shell pipe 11
Magnesia column 10 and the second cold end magnesia column 13 in cold end magnesia column 8, guarantor；The first cold end magnesia column 8 and second
Cold end magnesia column 13 is coaxially set in guarantor respectively above and below magnesia column 10；Magnesia column 10 is interior in the guarantor
Uniform circular ring plate 102 is machined on wall；The circular ring plate 102 is integral into helical structure, screw pitch uniformity；It leads at the center
Torch 2 is between two parties through setting in outlet contact tube 4；The lower end of center conductive stick 2 is arranged in the second cold end magnesia column 13,
And resistance wire connector 12 is connected in the lower end of center conductive stick 2；The upper end of center conductive stick 2 is exposed, and at center
The upper end of conductive rod 2 is connected with inlet wire line bank 1；Outlet line bank 6 is connected on the outlet contact tube 4；The spiral electricity
Resistance 9 upper end of silk is electrically connected with outlet contact tube 4, and lower end is electrically connected with resistance wire connector 12, and 12 sets of resistance wire connector in spiral shell
It revolves on 9 heads of resistance wire, is locked after stamped with spiral resistance wire 9, stable connection, it is therefore prevented that poor contact, then led with center
Torch by being welded together, the other parts spiral of spiral resistance wire 9 be arranged in 10 inner wall of magnesia column in guarantor at
On the circular ring plate 102 of helical structure, by power supply sequentially enter inlet wire line bank 1, center conductive stick 2, resistance wire connector 12,
The lower end of spiral resistance wire 9, the upper end of spiral resistance wire 9, outlet contact tube 4 and outlet line bank 6 form closed circuit.
Embodiment 3
As shown in Figures 1 to 8, a kind of electrothermal tube of the invention, including inlet wire line bank 1, center conductive stick 2, spiral electricity
Hinder silk 9, outlet contact tube 4, protective metal shell pipe 11 and outlet line bank 6；First has been centrally located in the protective metal shell pipe 11
Magnesia column 10 and the second cold end magnesia column 13 in cold end magnesia column 8, guarantor；The first cold end magnesia column 8 and second
Cold end magnesia column 13 is coaxially set in guarantor respectively above and below magnesia column 10；Magnesia column 10 is interior in the guarantor
Uniform circular ring plate 102 is machined on wall；The circular ring plate 102 is integral into helical structure, screw pitch uniformity；It leads at the center
Torch 2 is between two parties through setting in outlet contact tube 4；The lower end of center conductive stick 2 is arranged in the second cold end magnesia column 13,
And resistance wire connector 12 is connected in the lower end of center conductive stick 2；The upper end of center conductive stick 2 is exposed, and at center
The upper end of conductive rod 2 is connected with inlet wire line bank 1；Outlet line bank 6 is connected on the outlet contact tube 4；The spiral electricity
Resistance 9 upper end of silk is electrically connected with outlet contact tube 4, and lower end is electrically connected with resistance wire connector 12, and 12 sets of resistance wire connector in spiral shell
It revolves on 9 heads of resistance wire, is locked after stamped with spiral resistance wire 9, stable connection, it is therefore prevented that poor contact, then led with center
Torch by being welded together, the other parts spiral of spiral resistance wire 9 be arranged in 10 inner wall of magnesia column in guarantor at
On the circular ring plate 102 of helical structure, by power supply sequentially enter inlet wire line bank 1, center conductive stick 2, resistance wire connector 12,
The lower end of spiral resistance wire 9, the upper end of spiral resistance wire 9, outlet contact tube 4 and outlet line bank 6 form closed circuit.It is described
Upper porcelain tube 3 is identical with lower 7 structure of porcelain tube, is provided with chamfering in the inner hole of upper 3 upper surface of porcelain tube, lower surface is set
It is equipped with step 16, convenient for the glue sealing of magnesia powder and later period is perfused.2 outer surface of center conductive stick is provided with insulation pottery
Porcelain knob 15；For 15 sets of the insulating ceramics column on center conductive stick 2, the upper surface of insulating ceramics column 15 is located at upper porcelain tube 3
Step 16 lower end, the lower surface of insulating ceramics column 15 is connected to the lower end of center conductive stick 2.The insulating ceramics column 15 is
It is connected in sequence by several insulating ceramics column monomers 151, insulating ceramics column monomer 15 uses nine-five aluminium oxide ceramic material；Absolutely
Recess is provided in the inner hole of 151 upper surface of edge ceramics pole monomer, insulating ceramics column monomer lower surface is provided with and recess
The protrusion of docking, integrated connection is firm, and increased by insulating ceramics column 15 center conductive stick 2 outlet contact tube 4,
Electrical insulating property in spiral resistance wire 9.Glue is provided in the upper porcelain tube 3 and the gap of 4 docking site of outlet contact tube
It is provided with glue in the gap of water, the lower porcelain tube 7 and 11 docking site of protective metal shell pipe, the material of above-mentioned glue is silicon
The AB glue water of 704 glue of rubber and HARDMAN company, the U.S.；The component A model of the AB glue water of HARDMAN company, the U.S. is bonding
Agent HARDMAN 46717, B component model are adhesive HARDMAN 56717, and A and B component are used after mixing according to 1:1, first used
The AB glue water elder generation Feng Yici of HARDMAN company, the U.S., then 704 glue sealing of silicon rubber to AB glue water surface；First use
The AB glue water of HARDMAN company is done to seal for the first time, and sealing performance is outstanding after the AB glue water cure, and electrothermal tube uses the mucilage sealing
It after mouthful, is placed in the sink of 1.5 meters of depths and is taken out after 24 hours, test insulation resistance is without decline after nozzle air-dries.But the AB glue
It is very rigid after water cure, to avoid generating capillary crack after using or vibrating in transit, sealing performance is influenced, so
704 glue of silicon rubber, good toughness after 704 glue curing of silicon rubber, vibration are poured after the AB glue water-stop of HARDMAN company again
After dynamic will not product crack, can be very good the AB glue water disadvantage for making up HARDMAN company, two kinds of glue are with the use of can protect
The sealing performance and ageing-resistant performance of electrothermal tube are demonstrate,proved, and electrical insulation capability is good.
Embodiment 4
The production step of magnesia column 10, the first cold end magnesia column 8 and the second cold end magnesia column 13 in the guarantor of the application
It is rapid as follows:
(1) magnesia powder by purity more than or equal to 90%, which pours into ball mill, grinds 48 hours；
(2) paraffin is poured into paraffin dissolving machine, is heated to 70-120 degrees Celsius, until paraffin is completely dissolved；
(3) magnesia powder after dissolved paraffin and grinding is put into high-speed mixer stirring according to the ratio of 3:17
It is even；
(4) by after mixing evenly paraffin and magnesia powder mixture be put into slip casting machine, slip casting is at magnesia column semi-finished product；
(5) molding magnesia column semi-finished product and alumina powder are mixed and is fitted into crucible, then crucible is put into
Become magnesia column finished product after firing 48 hours in 1280-1300 degrees Celsius of stove.
Although the detailed description and description of the specific embodiments of the present invention are given above, it should be noted that
We can carry out various equivalent changes and modification to above embodiment according to the concept of the present invention, and generated function is made
It, should all be within protection scope of the present invention when with the spirit still covered without departing from specification.
Claims (14)
1. electrothermal tube, including inlet wire line bank, center conductive stick, spiral resistance wire, outlet contact tube, protective metal shell pipe and outlet
Line bank；The first cold end magnesia column is centrally located in the protective metal shell pipe, magnesia column and the oxidation of the second cold end in guarantor
Magnesium column；The first cold end magnesia column and the second cold end magnesia column be coaxially set in guarantor respectively above magnesia column and
Lower section；Uniform circular ring plate is machined in the guarantor on the inner wall of magnesia column；The circular ring plate is integral into helical structure, screw pitch
Uniformity；The center conductive stick runs through between two parties to be arranged in outlet contact tube；The lower end of center conductive stick is arranged second
In cold end magnesia column；The upper end of center conductive stick is exposed, and is connected with inlet wire line bank in the upper end of center conductive stick；Institute
It states and is connected with outlet line bank on outlet contact tube；The spiral resistance wire upper end is electrically connected with outlet contact tube, and lower end is in
The electrical connection of heart conductive rod lower end, the other parts spiral of spiral resistance wire be arranged in magnesia column wall in guarantor at helical structure
Circular ring plate on, inlet wire line bank, center conductive stick, the lower end of spiral resistance wire, spiral resistance wire are sequentially entered by power supply
Upper end, outlet contact tube and outlet line bank form closed circuit.
2. electrothermal tube according to claim 1, which is characterized in that be provided with insulation porcelain above the outlet contact tube
Pipe；The outlet conduction tube outer surface is provided with lower porcelain tube；The lower end of lower porcelain tube and the first cold end magnesia column and
The upper surface of protective metal shell pipe is butted into sealing structure.
3. electrothermal tube according to claim 2, which is characterized in that the upper porcelain tube and lower porcelain tube structure phase
Together, it is provided with chamfering in the inner hole of upper porcelain tube upper surface, lower surface is provided with step.
4. electrothermal tube according to claim 1, which is characterized in that between the center conductive stick and outlet contact tube
Insulation filler is provided in gap；The lower end of the center conductive stick is connected with resistance wire connector；The spiral resistance wire
Lower end is electrically connected by resistance wire connector with the lower end of center conductive stick.
5. electrothermal tube according to claim 3, which is characterized in that center conductive stick outer surface is provided with insulating ceramics
Column；For the insulating ceramics column sleeve on center conductive stick, the upper surface of insulating ceramics column is located at the step lower end of upper porcelain tube,
The lower surface of insulating ceramics column is connected to the lower end of center conductive stick.
6. electrothermal tube according to claim 5, which is characterized in that the insulating ceramics column is by several insulating ceramics columns
Monomer is connected in sequence；Recess, insulating ceramics column monomer following table are provided in the inner hole of insulating ceramics column monomer upper surface
Face is provided with the protrusion docked with recess.
7. electrothermal tube according to claim 3, which is characterized in that the upper porcelain tube and outlet contact tube docking site
Gap in be provided with glue；Glue is provided in the gap of the lower porcelain tube and protective metal shell pipe docking site.
8. electrothermal tube according to claim 7, which is characterized in that the material of the glue is 704 glue of silicon rubber and beauty
The AB glue water of HARDMAN company, state；The component A model of the AB glue water of HARDMAN company, the U.S. is adhesive HARDMAN
46717, B component model is adhesive HARDMAN 56717, and A and B component use after mixing according to 1:1；First use the U.S.
The AB glue water elder generation Feng Yici of HARDMAN company, then 704 glue sealing of silicon rubber to AB glue water surface.
9. electrothermal tube according to claim 1, which is characterized in that the second cold end magnesia column lower end is provided with metal
Diaphragm seal；The metal sealing piece is fixed in protective metal shell pipe, by protective metal shell pipe lower surface and the second cold end magnesia column
Lower end is sealed.
10. electrothermal tube according to claim 1, which is characterized in that be arranged on the outer wall of the lower end of the outlet contact tube
There is helicla flute；The upper end spiral of the spiral resistance wire is arranged in helicla flute, and electrically fix with outlet contact tube.
11. electrothermal tube according to claim 1, which is characterized in that outlet contact tube lower end is located at the first cold end oxygen
Change the top of the lower end of magnesium column.
12. electrothermal tube according to claim 1, which is characterized in that the place in other gaps is equal in the protective metal shell pipe
Filled with compacting magnesia powder.
13. electrothermal tube according to claim 1, which is characterized in that the spiral resistance wire is using circle resistance wire or flat
Resistance wire.
14. electrothermal tube according to claim 1, which is characterized in that magnesia column, the first cold end magnesia column in the guarantor
It with the second cold end magnesia column is merged by two semicolumns or so；Is provided in guarantor on the semicolumn of magnesia column
One inclined surface；The second inclined surface is provided on the semicolumn of first cold end magnesia column and the second cold end magnesia column.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910398270.5A CN110087352B (en) | 2019-05-14 | 2019-05-14 | Electric heating tube |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910398270.5A CN110087352B (en) | 2019-05-14 | 2019-05-14 | Electric heating tube |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN110087352A true CN110087352A (en) | 2019-08-02 |
| CN110087352B CN110087352B (en) | 2022-05-27 |
Family
ID=67420064
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201910398270.5A Active CN110087352B (en) | 2019-05-14 | 2019-05-14 | Electric heating tube |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN110087352B (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114585121A (en) * | 2020-12-01 | 2022-06-03 | 周卫斌 | Powder-adding center-protecting conduit and large-length electric heating tube assembly line using same |
| TWI775132B (en) * | 2019-09-20 | 2022-08-21 | 大陸商中微半導體設備（上海）股份有限公司 | Heater, heating method and plasma processor |
Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| KR101229952B1 (en) * | 2012-04-25 | 2013-02-06 | (주)세진엘러텍 | Pipe for electric heating system |
| CN203399315U (en) * | 2013-07-18 | 2014-01-15 | 广州市益德电热制品有限公司 | Spiral type instant heating tube |
| CN108601119A (en) * | 2018-05-24 | 2018-09-28 | 扬州市优珂电气有限公司 | A kind of electric heating tube |
| CN208094819U (en) * | 2018-04-27 | 2018-11-13 | 江苏顺发电热材料有限公司 | A kind of double-layer structure electrothermal tube |
-
2019
- 2019-05-14 CN CN201910398270.5A patent/CN110087352B/en active Active
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| KR101229952B1 (en) * | 2012-04-25 | 2013-02-06 | (주)세진엘러텍 | Pipe for electric heating system |
| CN203399315U (en) * | 2013-07-18 | 2014-01-15 | 广州市益德电热制品有限公司 | Spiral type instant heating tube |
| CN208094819U (en) * | 2018-04-27 | 2018-11-13 | 江苏顺发电热材料有限公司 | A kind of double-layer structure electrothermal tube |
| CN108601119A (en) * | 2018-05-24 | 2018-09-28 | 扬州市优珂电气有限公司 | A kind of electric heating tube |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| TWI775132B (en) * | 2019-09-20 | 2022-08-21 | 大陸商中微半導體設備（上海）股份有限公司 | Heater, heating method and plasma processor |
| CN114585121A (en) * | 2020-12-01 | 2022-06-03 | 周卫斌 | Powder-adding center-protecting conduit and large-length electric heating tube assembly line using same |
| CN114585121B (en) * | 2020-12-01 | 2024-04-09 | 周卫斌 | Powder adding middle-protection conduit and long-length electric heating tube assembly line using same |
Also Published As
| Publication number | Publication date |
|---|---|
| CN110087352B (en) | 2022-05-27 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN110087352A (en) | Electrothermal tube | |
| CN201663726U (en) | Heating device for electric arc pipe | |
| TW203037B (en) | ||
| CN107123508A (en) | A kind of small reactor | |
| CN205452979U (en) | Electric heat wire stripping pliers | |
| CN110087350A (en) | Double-end electric heating tube | |
| CN110072306B (en) | Externally-wound magnesium oxide column single-head electric heating tube | |
| CN104955184B (en) | A kind of Novel pole silk compound pole shape heat-generating pipe | |
| CN207938759U (en) | Liquid cooling pipe fitting and liquid cooling apparatus | |
| CN201134938Y (en) | Novel electric heating tube | |
| CN206042393U (en) | Adopt electric heating element of boron nitride as insulating material | |
| CN204145779U (en) | A kind of silicon carbide ceramics heated protective sleeve pipe | |
| CN211019277U (en) | Electric heater | |
| CN100387099C (en) | Carbon-ceramic heating tube and processing method | |
| CN203810705U (en) | Electric water heater with water outlet pipe heater | |
| CN106304442A (en) | A kind of electric heating tube and preparation method thereof | |
| CN108601119A (en) | A kind of electric heating tube | |
| CN211612732U (en) | High heat conduction ceramic tubular reactor | |
| CN207802426U (en) | A kind of high temperature resistant double end mold heating tube | |
| CN207802424U (en) | A kind of single head mold heating tube | |
| CN206004920U (en) | A kind of electric heating tube of suitable liquid phase heat-conducting medium | |
| CN209331781U (en) | A kind of electric kettle | |
| CN113979616B (en) | Bottom contact platinum melting device and method for optical glass slag production | |
| CN211128211U (en) | Multi-section distributed annular electric heating tube | |
| CN204721638U (en) | A kind of PTC electrothermal tube |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| TR01 | Transfer of patent right | ||
| TR01 | Transfer of patent right |
Effective date of registration: 20220606 Address after: 238301 No. 4, Jingsi Road, Wuwei Economic Development Zone, Wuwei City, Wuhu City, Anhui Province Patentee after: Anhui Yuansi Electric Co.,Ltd. Address before: 238335 Nanhu administrative village, YAOGOU Town, Wuwei County, Wuhu City, Anhui Province Patentee before: Anhui Centimeter Photoelectric Thermal Technology Co.,Ltd. |