CN105960033A - Heater - Google Patents
Heater Download PDFInfo
- Publication number
- CN105960033A CN105960033A CN201610547908.3A CN201610547908A CN105960033A CN 105960033 A CN105960033 A CN 105960033A CN 201610547908 A CN201610547908 A CN 201610547908A CN 105960033 A CN105960033 A CN 105960033A
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- China
- Prior art keywords
- heater
- cold end
- heater element
- cold
- stop collar
- 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
- H05B3/10—Heater elements characterised by the composition or nature of the materials or by the arrangement of the conductor
- H05B3/12—Heater elements characterised by the composition or nature of the materials or by the arrangement of the conductor characterised by the composition or nature of the conductive material
- H05B3/14—Heater elements characterised by the composition or nature of the materials or by the arrangement of the conductor characterised by the composition or nature of the conductive material the material being non-metallic
- H05B3/145—Carbon only, e.g. carbon black, graphite
-
- 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
- H05B3/10—Heater elements characterised by the composition or nature of the materials or by the arrangement of the conductor
- H05B3/18—Heater elements characterised by the composition or nature of the materials or by the arrangement of the conductor the conductor being embedded in an insulating material
Abstract
The invention provides a heater, and relates to the technical field of electric heating facilities. The heater comprises extraction electrodes, heating elements, a cold end component and a stop collar; a fixed end extends from one extraction electrode respectively; one end of the cold end component is connected with the fixed end of the extraction electrode, and the other end of the cold end component is connected with each heating element; the other end of each heating element is connected with the stop collar; and the heating elements are made of carbon fibers, graphite or carbon materials. A complete two-phase or three-phase electric circuit can be formed by orderly connecting one extraction element, cold end and heating element with one or two heating elements, cold ends and extraction electrodes through the stop collar, thereby realizing a resistance heating process; and by using the carbon fibers, graphite or the carbon materials to produce the heating element, the technical problems in the prior art that the heater efficiency is low and the use cost is high due to the limitation of heating element materials, and low electro-thermal conversion rate can be solved.
Description
Technical field
The present invention relates to electrical heating facility technology field, especially relate to a kind of heater.
Background technology
Heater volume is little, and heating power is high, uses quite varied, and people are more and more too busy to get away
It.The core of heater principle is energy conversion, is exactly most widely that electric energy is converted into heat energy.
Such as electric heater, and common heating for resistance in the mode of heating of electric heater, so-called electricity
Resistance heating is to utilize the Joule effect of electric current to convert electric energy into heat energy to add hot object.Generally divide
Heat for the heating of direct resistance and indirect resistance.The former supply voltage is applied directly to heating object
On body, when a current flows through, heating object itself (such as electrical heating ironing machine) just generates heat.
Indirect resistance heating need to be made heater element by special alloy material or nonmetallic materials, by sending out
Thermal element produces heat energy, is passed on heating object by modes such as radiation, convection current and conduction.
Owing to heating object and heater element are divided into two parts, therefore the kind of heating object is general
Unrestricted, easy and simple to handle.
The heater element material therefor of indirect resistance heating, typically requires that resistivity is big, resistance temperature
Degree coefficient is little, at high temperature deforms little and is difficult to embrittlement.Conventional have ferroaluminium, nickel chromium triangle close
Metal material and the nonmetallic materials such as carborundum, molybdenum disilicide such as gold.Metal heater element is
Elevated operating temperature, according to material category up to 1000～1500 DEG C；Non-metallic heating element
Maximum operating temperature is up to 1500～1700 DEG C.The latter is easy for installation, can change by hot stove, but
It work time need regulator, the life-span is shorter than alloy heat generating element, be generally used for high temperature furnace,
Temperature exceedes metal material heater element and allows place and some particular field of maximum operating temperature
Close.The maximum operating temperature of heater element is low, electric, heat conversion is low had both limited heater
Workplace also results in the waste of electric energy, heat energy, so needing a kind of novel energy-efficient
Heater.
Summary of the invention
It is an object of the invention to provide a kind of heater, with solve present in prior art because of
The restriction of heater element material, electricity, heat conversion is low causes heater efficiency low, use cost
High technical problem.
The present invention is a kind of heater, including extraction electrode, heater element, cold end element and
Stop collar；
Described extraction electrode each extends over out a fixing end；
Described cold end element one end is connected with the fixing end of extraction electrode, the other end and heater element
Connect；
The described heater element other end is connected with stop collar；
Described heater element is made up of carbon fiber, graphite or carbon materials.
Further, described extraction electrode has two and each extends over out a fixing end；
Described cold end element is made up of the first cold end and the second cold end, a described extraction electrode
Fixing end is connected with described first cold end, and the fixing end of another extraction electrode is second cold with described
End connects, and described first cold end is not in contact with each other with described second cold end；
Described heater element has two, and one end of a heater element is with described first cold end even
Connecing, one end of another heater element is connected with described second cold end；
The other end of described heater element is all connected with stop collar.
Further, also including protection pipe, described protection pipe includes outside protective pipe and temperature-measuring heat couple
Pipe；
The first cold end, the second cold end, heater element and stop collar is placed in described outside protective pipe,
Described temperature-measuring heat couple pipe is placed between the first cold end and the second cold end；
Described temperature-measuring heat couple pipe and outside protective pipe are made up of silicon nitride ceramics.
Further, described outside protective pipe inner space equipped with insulation, thermal diffusivity is good, conductivity of heat
Good filling powder body.
Further, described filling powder body be the boron nitride ceramics of powder, silicon nitride ceramics or
Aluminium oxide.
Further, described outside protective pipe internal medium is vacuum.
Further, described stop collar is positioned at the bottom of described outside protective pipe；
Described stop collar is arranged above with groove, and the bottom of described temperature-measuring heat couple pipe is against described groove
On.
Further, described stop collar is made up of graphite, carbon element or carbon fibre material.
Further, also include that heat shield, described heat shield are positioned at described extraction electrode and described
Between first cold end and between described extraction electrode and described second cold end.
Further, connection sheet and lower connection sheet are also included；
Described upper connection sheet and lower connection sheet are made up of boron nitride, silicon nitride or aluminium oxide；
First cold end and the second cold end are relatively fixed connection by described upper connection sheet and lower connection sheet；
Described first cold end and the second cold end are not in contact with each other.
Beneficial effect: the heater that the present embodiment provides, by an extraction electrode, cold end, sends out
Thermal element is sequentially connected with one or two heater element, cold end, extraction electrode by stop collar
Connect, form one and pacify whole two-phase or three-phase electricity loop, it is achieved resistance heating process；Wherein,
Cold end element has the cross-sectional area being several times as much as heater, and its resistance is much smaller than heater element, adds
Only producing relatively low heat in thermal process, temperature changes hardly, it is therefore prevented that extraction electrode exists
Junction temperature overheating and damage；Stop collar is fixed with heater element, to limit heater element
Mobile, heater element is made up of carbon fiber, graphite or carbon materials, carbon fiber, graphite, carbon
Cellulosic material electricity, heat conversion can reach 70-97%, and do not produce electromagnetic field so that it is has height
Effect, the advantage of energy-saving and environmental protection, and it is high temperature resistant, and the feature that resistivity is big can realize adding
The small dimension of hot device, high-power, have higher practical value.
Accompanying drawing explanation
In order to be illustrated more clearly that the specific embodiment of the invention or technical side of the prior art
Case, will make letter to the accompanying drawing used required in detailed description of the invention or description of the prior art below
Singly introduce, it should be apparent that, the accompanying drawing in describing below is some embodiments of the present invention,
For those of ordinary skill in the art, on the premise of not paying creative work, also may be used
To obtain other accompanying drawing according to these accompanying drawings.
The cross-sectional view of a kind of heater that Fig. 1 provides for the embodiment of the present invention.
Reference:
1, extraction electrode；2, heat shield；3, upper connection sheet；
4, cold end element；5, lower connection sheet；6, powder body is filled；
7, heater element；8, temperature-measuring heat couple pipe；9, outside protective pipe；
10, stop collar；11, fixing end；41, the first cold end；
42, the second cold end.
Detailed description of the invention
Below in conjunction with accompanying drawing, technical scheme is clearly and completely described, aobvious
So, described embodiment is a part of embodiment of the present invention rather than whole embodiments.
Based on the embodiment in the present invention, those of ordinary skill in the art are not making creative work
The every other embodiment obtained under premise, broadly falls into the scope of protection of the invention.
In describing the invention, it should be noted that term " " center ", " on ", D score,
Orientation or the position of the instruction such as "left", "right", " vertically ", " level ", " interior ", " outward " are closed
System, for based on orientation shown in the drawings or position relationship, is for only for ease of the description present invention and Jian
Change describe rather than instruction or the hint device of indication or element must have specific orientation,
With specific azimuth configuration and operation, therefore it is not considered as limiting the invention.Additionally,
Term " first ", " second ", " the 3rd " are only used for describing purpose, and it is not intended that indicate
Or hint relative importance.
In describing the invention, it should be noted that unless otherwise clearly defined and limited,
Term " is installed ", " being connected ", " connection " should be interpreted broadly, for example, it may be solid
Fixed connection, it is also possible to be to removably connect, or be integrally connected；Can be to be mechanically connected, also
It can be electrical connection；Can be to be joined directly together, it is also possible to be indirectly connected to by intermediary, can
To be the connection of two element internals.For the ordinary skill in the art, can have
Body situation understands above-mentioned term concrete meaning in the present invention.
The cross-sectional view of a kind of heater that Fig. 1 provides for the embodiment of the present invention.
The heater that the present invention provides includes extraction electrode 1, heater element 7, cold end element 4
And stop collar 10；Described extraction electrode 1 each extends over out a fixing end 11；Described cold
End element 4 one end is connected with the fixing end 11 of extraction electrode 1, the other end and heater element 7
Connect；Described heater element 7 other end is connected with stop collar 10；Described heater element 7 by
Carbon fiber, graphite or carbon materials are made.I.e. by an extraction electrode 1, cold end, heating unit
Part 7 is by stop collar 10 and with one or two heater element 7, cold end, extraction electrode 1
It is sequentially connected with, forms one and pacify whole two-phase or three-phase electricity loop, it is achieved resistance heating process.
Heater element 7 is made up of carbon fiber, graphite or carbon materials, carbon fiber, graphite, carbon element material
Material electricity, heat conversion can reach 70-97%, and do not produce electromagnetic field so that it is have efficiently,
The advantage of energy-saving and environmental protection, and it is high temperature resistant, and the feature that resistivity is big can realize heater
Small dimension, high-power, there is higher practical value.
A kind of heater that the present embodiment provides is a kind of two-phase heater, as it is shown in figure 1, institute
State extraction electrode 1 have two and each extend over out a fixing end 11；Described cold end element 4
It is made up of the first cold end and the second cold end, the fixing end 11 of a described extraction electrode 1 and institute
Stating the first cold end to connect, the fixing end 11 of another extraction electrode 1 is with described second cold end even
Connecing, described first cold end is not in contact with each other with described second cold end；Described heater element 7 has two,
One end of one heater element 7 is connected with described first cold end, the one of another heater element 7
End is connected with described second cold end；The other end of described heater element 7 is all with stop collar 10 even
Connect.
The heater that the present embodiment provides, the cold end element 4 of setting is by the first cold end 41 and the
Two cold ends 42 form, and connect extraction electrode 1 and heater element 7 respectively, owing to first is cold
The resistance of end 41 and the second cold end 42 much smaller than the resistance of heater element 7 so compared to heating
Element 7, its heat produced when heater works is the least, and temperature changes hardly,
Extraction electrode 1 is prevented to damage at junction temperature overheating；Stop collar 10 and heater element
7 fix, and to limit the movement of heater element 7, the heater provided due to the present embodiment is pipe
Type heater, thus the first cold end 41 and the second cold end 42 in the present embodiment be shaped as edge
Disc hits exactly half hollow cylinder sectioned, and two half hollow cylinders are not in contact with each other；First cold end
41 and second cold end 42 be also made up of carbon fiber, graphite or carbon materials and by increase transversal
The mode of area makes resistance be much smaller than the resistance of heater element 7.
For cold end element 4, carbon fiber, graphite, carbon material electrical, heat conversion up to
To 70-97%, and not producing electromagnetic field, in the present embodiment, heater is selected graphite to make and is sent out
Thermal element the 7, first cold end 41 and the second cold end 42.The fusing point of graphite is 3850 ± 50 DEG C,
Boiling point is 4250 DEG C, even if through superhigh temperature electric arc calcination, the loss of weight is the least, thermal expansion
Coefficient is the least；Graphite intensity improves with temperature and strengthens, when 2000 DEG C, and graphite strong
Degree doubles especially；Therefore can improve the use of heater as heater element 7 with graphite
Life-span.
Prior, under room temperature, the resistivity of graphite is (8～13) × 10-6Ω m, compared to
The resistivity of each metal: nichrome 1.0 × 10-6Ω m and ferroaluminium (1.57～1.68)
×10-6Ω m, the resistivity of graphite is bigger, same length and cross-sectional area, the electricity of graphite
Resistance resistance is bigger, and the heat energy released in the case of electric current is certain is the most, again resistance to due to graphite
High-temperature behavior, can export bigger voltage, both can realize greater power work at its two ends,
So, can be in the situation keeping former specification even more small dimension as heater element 7 with graphite
Under realize greater power work, substantially increase the work efficiency of heater.
It is noted that have two heat phase and three heat phase according to the heating mode of heater,
Heater element 7 number is the multiple of two or three and they, according to the building ring of heater
The impact of border and the resistance of heater element 7 and resistivity selects to use out of phase heating
Device, conventional, select two-phase heater, now the number of heater element 7 be two or two times
Number；If in order to avoid work occurring, electrical network threephase load is uneven and needs asking of pressure regulation
Topic, selects three-phase heater, and now the number of heater element 7 is the multiple of three or three.
As further improvement of this embodiment, except can be by increasing the number of heater element 7
Mesh completes Quick uniform heat radiation purpose, it is also possible to come by increasing the surface area of heater element 7
Reach this purpose, wire rod i.e. can be changed into tubing or sheet material.
The protection pipe of the present embodiment includes outside protective pipe 9 and temperature-measuring heat couple pipe 8, outside protective pipe 9
The interior cold end of placement first 41, second cold end 42, heater element 7 and stop collar 10, thermometric
Thermocouples tube 8 is placed between the first cold end 41 and the second cold end 42.Outside protective pipe 9 and thermometric
First cold end the 41, second cold end 42 and heater element 7 are enclosed in airtight by thermocouples tube 8 together
In space, heater element 7 high-temperature oxydation when preventing work, simultaneously at the sky of temperature-measuring heat couple pipe 8
Intracardiac can also insert thermocouple sensor to detect variations in temperature at any time.
In prior art, the protection pipe i.e. shell of most heater is all to use stainless steel
Become, use nichrome, ferroaluminium etc. as heater element 7 time, due to itself electricity,
Heat conversion is the highest, causes heater to heat up slowly, and rustless steel is adapted to the temperature difference of this degree
Change, but using graphite as after heater element 7, due to its efficient electric, heat conversion, make to add
Hot device heats up quickly, and the temperature difference that can not well adapt to this degree as the rustless steel protecting pipe becomes
Change thus cause protecting pipe to damage and then affecting the function of heater.One is entered as the present embodiment
Step is improved, and temperature-measuring heat couple pipe 8 and outside protective pipe 9 are made up of silicon nitride ceramics.
Silicon nitride (Si3N4) ceramic material, as the high temperature engineering material of a kind of excellence, can
Make the most of the advantage is its application in high-temperature field.First it is the most high temperature resistant, and the highest
At a temperature of, silicon nitride has higher intensity and impact resistance, and intensity can maintain always
The high temperature of 1200 DEG C and do not decline, melt body will not be melt into after being heated, until 1900 DEG C of just meetings
Decompose, but owing to silicon nitride breakage can occur with the growth of the time of use more than 1200 DEG C,
Make its intensity reduce, more than 1450 DEG C, be more easy to that fatigue damage occurs, so the making of silicon nitride
It is usually no more than 1300 DEG C by temperature.The use temperature of silicon nitride is more than heater element 7 graphite
Maximum operating temperature, meet the demand of heater.
Furthermore, silicon nitride has surprising resistance to chemical corrosion, is resistant to almost all of mineral acid
Soda bath with less than 30%, is also resistant to the corrosion of a lot of organic acid so that it is adapt to more
The workplace that rustless steel can not complete；The solid density of silicon nitride is low simultaneously, than rustless steel and
Other Engineering superalloy steel is light, makes the heater weight of protection pipe more with silicon nitride
Little.Furthermore silicon nitride thermal coefficient of expansion is low, thermal conductivity is high, therefore its resistance to sudden heating is splendid,
Proof strength, wear-resistant, corrosion resistant on the basis of, can preferably transfer heat away from, enter
The work efficiency that improve heater of one step.
Most important, difference variation is little on silicon nitride impact, the silicon nitride heating of hot pressed sintering
Put in cold water after l000 DEG C and also will not rupture, with the heater element 7 made of graphite more
Coordinate, improve the service life of heater.
Heater element 7 can quickly produce heat energy, but wants temperature-measuring heat couple pipe 8 and outside protective pipe
9 are rapidly heated, centre also need to can flash heat transfer, heater element 7 and temperature-measuring heat couple pipe 8 and
Outside protective pipe 9 does not contacts, thus be also equipped with insulation in the middle of it, thermal diffusivity is good, good thermal conduction
Filling powder body 6.
In the present embodiment, the boron nitride of powder body 6 choice of powder shape, silicon nitride, oxidation are filled
Aluminum, these materials have the heat conductivity of excellence, are high temperature, insulation, load that heat dispersion is good
Body, simultaneously by heater element 7 and air exclusion, protection heater element 7 is the most empty
Gas aoxidizes.
Heater element 7 is that graphite, carbon fiber or carbon materials can lower in working order quickly rise
Temperature, and more than 1000 DEG C can be risen to, but under aerobic state, carbon is at 600 DEG C
It is easy for producing oxidation reaction, so with temperature-measuring heat couple pipe 8 and outside protective pipe 9 by heater element
7 are closed, and on the one hand in order to prevent electric shock accidents, are on the other hand contemplated to protection
Heater element 7 is not oxidized when working.But in order to further stop heater element 7 by oxygen
Change, as further improvement of this embodiment, the space within outside protective pipe 9 is taken out very
Vacancy is managed, and is all driven out of by outside protective pipe 9 inner air, finally closes by high-temperature plastic mudding and sends out
Thermal element 7 contacts with extraneous.
It is noted that the top half at heater has two half hollow cylinders somewhat to limit
The double swerve of temperature-measuring heat couple pipe 8 processed, and moving up and down of temperature-measuring heat couple pipe 8 can't be limited；
So stop collar 10 is except fixing with heater element 7, prevent heater element 7 at External Force Acting
Lower movement or fracture, it is also possible to limiting the movement of temperature-measuring heat couple pipe 8, stop collar 10 is arranged on
The bottom of outside protective pipe 9, stop collar 10 is arranged above with groove, the bottom of temperature-measuring heat couple pipe 8
It is against on described groove.So, stop collar 10 is fixed on the bottom of outside protective pipe 9, surveys
Thermocouple temperature pipe 8 by groove limited can not horizontal jitter, reached the most quiet of heater body
Only, improve the stability of heater.
In the present embodiment, cold end element 4, is entered to reduce resistance value by increase cross-sectional area
And reduce heat energy, control temperature and raise and reach the purpose of solar heat protection, but along with heater on time
Prolongation, heater element 7 produce temperature still can pass to cold end element 4, make cold end element
4 temperature raise and then impact extraction electrode 1.So further, this heater is also
Being provided with heat shield 2, heat shield 2 is between extraction electrode 1 and the first cold end 41 and draws
Going out between electrode 1 and the second cold end 42, in the present embodiment, heat shield 2 generally has one
Determine the cylinder of thickness, and disc is provided only with two and fixes what end 11 passed through for extraction electrode 1
Hole, heat shield 2 further organizes heat outwards to distribute.
As further improvement of this embodiment, also include making the first cold end 41 and the second cold end
The 42 upper connection sheet 3 being relatively fixed connection and lower connection sheets 5, in the present embodiment, upper connection
Sheet 3 and lower connection sheet 5 can be circle can also be rectangle, and it is with the first cold end 41
With second connect for screw between cold end 42, connection sheet 3 and the mesh of lower connection sheet 5 are set
Be to make two cold ends be relatively fixed in a position and be not in contact with each other, therefore upper connect sheet 3
Being to use silicon nitride, aluminium oxide or boron nitride material with lower connection sheet 5, they have well
Insulating properties and stronger mechanical strength, and as silicon nitride for, except being a kind of high-performance electric
Insulant, also has high temperature resistant other performances such as grade, produces between heater duty is changed
High temperature and the temperature difference of cataclysm also upper connection sheet 3 and lower connection sheet 5 will not be caused damage, enter
One step improves the service life of heater.
It is last it is noted that various embodiments above is only in order to illustrate technical scheme,
It is not intended to limit；Although the present invention being described in detail with reference to foregoing embodiments,
It will be understood by those within the art that: it still can be to described in foregoing embodiments
Technical scheme modify, or the most some or all of technical characteristic carried out equivalent replace
Change；And these amendments or replacement, do not make the essence of appropriate technical solution depart from the present invention each
The scope of embodiment technical scheme.
Claims (10)
1. a heater, it is characterised in that include extraction electrode, heater element, cold end
Element and stop collar；
Described extraction electrode each extends over out a fixing end；
Described cold end element one end is connected with the fixing end of extraction electrode, the other end and heater element
Connect；
The described heater element other end is connected with stop collar；
Described heater element is made up of carbon fiber, graphite or carbon materials.
Heater the most according to claim 1, it is characterised in that described extraction electrode
There are two and each extend over out a fixing end；
Described cold end element is made up of the first cold end and the second cold end, a described extraction electrode
Fixing end is connected with described first cold end, and the fixing end of another extraction electrode is second cold with described
End connects, and described first cold end is not in contact with each other with described second cold end；
Described heater element has two, and one end of a heater element is with described first cold end even
Connecing, one end of another heater element is connected with described second cold end；
The other end of described heater element is all connected with stop collar.
Heater the most according to claim 2, it is characterised in that also include protection pipe,
Described protection pipe includes outside protective pipe and temperature-measuring heat couple pipe；
The first cold end, the second cold end, heater element and stop collar is placed in described outside protective pipe,
Described temperature-measuring heat couple pipe is placed between the first cold end and the second cold end；
Described temperature-measuring heat couple pipe and outside protective pipe are made up of silicon nitride ceramics.
Heater the most according to claim 3, it is characterised in that described outside protective pipe
Inner space equipped with insulation, thermal diffusivity is good, the filling powder body of good thermal conduction.
Heater the most according to claim 4, it is characterised in that described filling powder body
Boron nitride ceramics, silicon nitride ceramics or aluminium oxide for powder.
Heater the most according to claim 3, it is characterised in that described outside protective pipe
Internal medium is vacuum.
Heater the most according to claim 3, it is characterised in that described stop collar position
Bottom in described outside protective pipe；
Described stop collar is arranged above with groove, and the bottom of described temperature-measuring heat couple pipe is against described groove
On.
Heater the most according to claim 7, it is characterised in that described stop collar by
Graphite, carbon element or carbon fibre material are made.
Heater the most according to claim 2, it is characterised in that also include heat shield,
Described heat shield is between described extraction electrode and described first cold end and described extraction is electric
Between pole and described second cold end.
Heater the most according to claim 1, it is characterised in that also include connection
Sheet and lower connection sheet；
Described upper connection sheet and lower connection sheet are made up of boron nitride, silicon nitride or aluminium oxide；
First cold end and the second cold end are relatively fixed connection by described upper connection sheet and lower connection sheet；
Described first cold end and the second cold end are not in contact with each other.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610547908.3A CN105960033B (en) | 2016-07-12 | 2016-07-12 | Heating device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610547908.3A CN105960033B (en) | 2016-07-12 | 2016-07-12 | Heating device |
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| CN105960033A true CN105960033A (en) | 2016-09-21 |
| CN105960033B CN105960033B (en) | 2022-12-23 |
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| CN201610547908.3A Active CN105960033B (en) | 2016-07-12 | 2016-07-12 | Heating device |
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Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107127953A (en) * | 2017-07-19 | 2017-09-05 | 徐石交 | Rotation heating major axis |
| CN107135556A (en) * | 2017-07-19 | 2017-09-05 | 徐石交 | Rotation heating short axle |
| CN107155227A (en) * | 2017-07-13 | 2017-09-12 | 贵州仙劲锌业有限公司 | A kind of high power high-temperature heater of suitable multiple atmosphere |
| CN111031615A (en) * | 2019-11-25 | 2020-04-17 | 衡阳凯新特种材料科技有限公司 | Silicon nitride industrial heating rod |
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| CN111031615A (en) * | 2019-11-25 | 2020-04-17 | 衡阳凯新特种材料科技有限公司 | Silicon nitride industrial heating rod |
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