CN107734726A - A kind of calcining furnace novel electric heating circle - Google Patents
A kind of calcining furnace novel electric heating circle Download PDFInfo
- Publication number
- CN107734726A CN107734726A CN201710993664.6A CN201710993664A CN107734726A CN 107734726 A CN107734726 A CN 107734726A CN 201710993664 A CN201710993664 A CN 201710993664A CN 107734726 A CN107734726 A CN 107734726A
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- CN
- China
- Prior art keywords
- insulation plate
- heating
- heating tube
- calcining furnace
- novel electric
- 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.)
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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
- H05B3/40—Heating elements having the shape of rods or tubes
-
- 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
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- Resistance Heating (AREA)
Abstract
The invention discloses a kind of calcining furnace novel electric heating circle, including tubular shell, upper insulation plate and lower insulation plate, multiple positioning holes are correspondingly provided with upper insulation plate and lower insulation plate, multiple heating tubes are provided between upper insulation plate and lower insulation plate, and heating tube upper and lower ends are each attached on positioning hole, neck is separately correspondingly provided with upper insulation plate and lower insulation plate, thermal insulation layer is provided between tubular shell and heating tube, thermal insulation layer is provided with reflector, and reflection shield upper and lower ends are stuck on neck, upper insulation plate and lower insulation plate are provided with insulation accepting box, heating tube is provided with resistance wire, and multiple heating tubes are contacted by resistance wire, reflector is provided with two rows metal bar shaped buckle, and metal bar shaped buckle is by multiple heating pipe clamp jails.Radiation efficiency height of the present invention, quick heating high temperature resistant, energy-saving heat preserving performance is good, thermochemical property is stable, easy to maintenance, low cost and cost of use are low.
Description
Technical field
The present invention relates to a kind of electric heater, more particularly to a kind of calcining furnace novel electric heating circle.
Background technology
The Electrothermal ring used in the prior art in calcining furnace, normally due to heating-up temperature it is higher cause it is easily damaged, because
This designs a kind of calcining furnace of new material Electrothermal ring and shows particularly important.
The content of the invention
The invention aims to overcome the shortcomings of the above, there is provided a kind of radiation efficiency height, quick heating high temperature resistant, energy-conservation
The calcining furnace novel electric heating circle that good heat insulating, thermochemical property are stable, easy to maintenance, low cost and cost of use are low.
The purpose of the present invention is achieved through the following technical solutions：A kind of calcining furnace novel electric heating circle, including tubular
Be correspondingly provided with multiple positioning holes on housing, upper insulation plate and lower insulation plate, upper insulation plate and lower insulation plate, upper insulation plate and it is lower absolutely
Multiple heating tubes are provided between listrium, and heating tube upper and lower ends are each attached on positioning hole, on upper insulation plate and lower insulation plate
Neck separately is correspondingly provided with, thermal insulation layer is provided between tubular shell and heating tube, thermal insulation layer is provided with reflector, and above and below reflection shield
Both ends are stuck on neck, and upper insulation plate and lower insulation plate are provided with insulation accepting box, and heating tube is provided with resistance wire, and it is multiple plus
Heat pipe is contacted by resistance wire, and reflector is provided with two rows metal bar shaped buckle, and metal bar shaped buckle will be multiple
Heat pipe clamp jail.
Further improvement of the present invention is：Tubular shell is externally provided with connection jaws, and resistance wire is set by connection jaws disengaging
Put.
Further improvement of the present invention is：Multiple heating tubes are along the axially placed of tubular shell.
One layer of ceramic coating is scribbled outside the heating tube, thickness of ceramic coating is between 100um to 150um, after coating
Surface roughness≤3.2um, the porosity ＜ 15% of coating, coating and bond strength >=10Mpa of heating pipe surface.
The preparation method of the insulative ceramic coatings, it is characterised in that：Spray, brush or dip-coating by way of, formed
The insulative ceramic coatings.
The component of insulating ceramics paint described above：TiO2, content 50wt%, surplus Al2O3, impurity are less than
2.0wt%.
Further improvement of the present invention is：Insulation accepting box can house resistance wire.
Further improvement of the present invention is：Tubular shell includes left semi-ring and right semi-ring, one end of left semi-ring and right half
One end of ring snaps connection, and the other end of left semi-ring snaps connection with the right semi-ring other end.
Further improvement of the present invention is：Heating tube is the far red radiant heater element of uncoated selectivity.
Further improvement of the present invention is：Thermal insulation layer material is alumina silicate.
Further improvement of the present invention is：Reflector uses high temperature alclad sheet.
Further improvement of the present invention is：Multiple bolts hole, and cylindrical case are additionally provided with upper insulation plate and lower insulation plate
Body is connected by bolt hole with upper insulation plate and lower insulation plate.
The present invention has advantages below compared with prior art：
Because structure uses metal bar shaped buckle, heating tube can be firmly fixed to its position, when the too high heating of temperature
Pipe deform when, metal bar shaped buckle can be fixed, and will not touch other heating tubes, will not cause because of collision it is broken, from
And prevented the possibility of electric leakage, prevent the accident of freeing；And heating tube is fixed on upper insulation plate and lower insulation plate in both sides up and down
On, the two insulation boards can prevent from passing to outside during electric leakage, so as to also prevent electric leakage accident；The electric heating tube of the present invention passes through
Set up insulative ceramic coatings, good insulating effect.
Brief description of the drawings
Fig. 1 is the structural representation of the present invention；
Fig. 2 is the schematic internal view of the present invention；
Label in figure：1- tubular shells, 2- upper insulation plates, 3- lower insulation plates, 4- positioning holes, 5- heating tubes, 6- necks, 7-
Thermal insulation layer, 8- reflectors, 9- insulation accepting box, 10- resistance wires, 11- metal bar shapeds buckle, 12- connection jaws, the left semi-rings of 13-,
The right semi-rings of 14-, 15- bolts hole.
Embodiment
The invention will be further described below in conjunction with the accompanying drawings：
As figures 1 and 2 show that a kind of a kind of calcining furnace embodiment of novel electric heating circle of the present invention, the heating
Circle includes tubular shell 1, upper insulation plate 2 and lower insulation plate 3, and multiple positioning holes are correspondingly provided with upper insulation plate 2 and lower insulation plate 3
4, multiple heating tubes 5 are provided between upper insulation plate 2 and lower insulation plate 3, and the upper and lower ends of heating tube 5 are each attached on positioning hole 4,
Neck 6 is separately correspondingly provided with upper insulation plate 2 and lower insulation plate 3, thermal insulation layer 7 is provided between tubular shell 1 and heating tube 5, it is heat-insulated
Layer 7 is provided with reflector 8, and the upper and lower ends of reflector 8 are stuck on neck 6, and upper insulation plate 2 and lower insulation plate 3 are provided with insulation
Accepting box 9, heating tube 5 is provided with resistance wire 10, and multiple heating tubes 5 are contacted by resistance wire 10, and reflector 8 is provided with upper
Lower two row's metal bar shaped buckles 11, and multiple heating tubes 5 are blocked jail by metal bar shaped buckle 11, tubular shell 1 is externally provided with wiring
Mouth 12, and resistance wire 10 is disposed by connection jaws 12, multiple heating tubes 5 house along the axially placed of tubular shell 1, insulation
Box 9 can house the resistance wire 10, and tubular shell 1 includes left semi-ring 13 and right semi-ring 14, one end of left semi-ring 13 and right half
One end of ring 14 snaps connection, and the other end of left semi-ring 13 snaps connection with the right other end of semi-ring 14, and heating tube 5 is uncoated
The remote red radiant heater element of selectivity, the material of thermal insulation layer 7 are alumina silicate, and reflector 8 uses high temperature alclad sheet, the He of upper insulation plate 2
Multiple bolts hole 15 are additionally provided with lower insulation plate 3, and tubular shell 1 passes through bolt hole 15 and upper insulation plate 2 and the phase of lower insulation plate 3
Connection.The heating collar radiation efficiency height, quick heating high temperature resistant, energy-saving heat preserving performance are good, thermochemical property is stable, maintenance side
Just, low cost and cost of use are low.
Technical scheme is described in detail above-described embodiment, it should be understood that above institute
Only presently preferred embodiments of the present invention is stated, is not intended to limit the invention, any person skilled in the art, is not being departed from
In the range of technical solution of the present invention, when the technology contents using the disclosure above make few modifications or are modified to equivalent variations
Equivalent embodiment, still, all any modifications or improvement made in the spirit of the present invention etc., it should be included in the present invention
Within the scope of.
Claims (4)
1. a kind of calcining furnace novel electric heating circle, including tubular shell, upper insulation plate and lower insulation plate, it is characterised in that：Institute
State and multiple positioning holes are correspondingly provided with upper insulation plate and the lower insulation plate, set between the upper insulation plate and the lower insulation plate
Have multiple heating tubes, and the heating tube upper and lower ends are each attached on the positioning hole, the upper insulation plate and it is described it is lower absolutely
Neck is separately correspondingly provided with listrium, thermal insulation layer is provided between the tubular shell and the heating tube, the thermal insulation layer is provided with
Reflector, and the reflector upper and lower ends are stuck on the neck, the upper insulation plate and the lower insulation plate are provided with absolutely
Edge accepting box, the heating tube is provided with resistance wire, and the multiple heating tube is contacted by the resistance wire, the reflection
Cover is provided with two rows metal bar shaped buckle, and described metal bar shaped buckle is by multiple heating pipe clamp jails.
2. a kind of calcining furnace novel electric heating circle according to claim 1, it is characterised in that scribbled outside the heating tube
One layer of ceramic coating, thickness of ceramic coating is between 100um to 150um, surface roughness≤3.2um after coating, coating
Porosity ＜ 15%, coating and bond strength >=10Mpa of heating pipe surface.
A kind of 3. calcining furnace novel electric heating circle according to claim 2, it is characterised in that the insulative ceramic coatings
Preparation method, spray, brush or dip-coating by way of, form the insulative ceramic coatings.
A kind of 4. calcining furnace novel electric heating circle according to claim 2, it is characterised in that insulating ceramics described above
The component of paint：TiO2, content 50wt%, surplus Al2O3, impurity are less than 2.0wt%.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710993664.6A CN107734726A (en) | 2017-10-23 | 2017-10-23 | A kind of calcining furnace novel electric heating circle |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710993664.6A CN107734726A (en) | 2017-10-23 | 2017-10-23 | A kind of calcining furnace novel electric heating circle |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN107734726A true CN107734726A (en) | 2018-02-23 |
Family
ID=61213287
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201710993664.6A Pending CN107734726A (en) | 2017-10-23 | 2017-10-23 | A kind of calcining furnace novel electric heating circle |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN107734726A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112197549A (en) * | 2020-10-30 | 2021-01-08 | 常宁市璜氏生态农业科技有限公司 | Drying device and method for organic fertilizer processing |
Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN202799213U (en) * | 2012-09-03 | 2013-03-13 | 上海泰昌健康科技有限公司 | Positive temperature coefficient (PTC) aluminum alloy heating tube with high-temperature insulating ceramic coating |
| CN204090172U (en) * | 2014-07-23 | 2015-01-07 | 泰州市艾克森电热仪表设备有限公司 | Quartz ampoule Electrothermal ring |
-
2017
- 2017-10-23 CN CN201710993664.6A patent/CN107734726A/en active Pending
Patent Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN202799213U (en) * | 2012-09-03 | 2013-03-13 | 上海泰昌健康科技有限公司 | Positive temperature coefficient (PTC) aluminum alloy heating tube with high-temperature insulating ceramic coating |
| CN204090172U (en) * | 2014-07-23 | 2015-01-07 | 泰州市艾克森电热仪表设备有限公司 | Quartz ampoule Electrothermal ring |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112197549A (en) * | 2020-10-30 | 2021-01-08 | 常宁市璜氏生态农业科技有限公司 | Drying device and method for organic fertilizer processing |
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| 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 | ||
| RJ01 | Rejection of invention patent application after publication | ||
| RJ01 | Rejection of invention patent application after publication |
Application publication date: 20180223 |