CN108072172A - A kind of direct-type efficient electric heater - Google Patents
A kind of direct-type efficient electric heater Download PDFInfo
- Publication number
- CN108072172A CN108072172A CN201611007105.5A CN201611007105A CN108072172A CN 108072172 A CN108072172 A CN 108072172A CN 201611007105 A CN201611007105 A CN 201611007105A CN 108072172 A CN108072172 A CN 108072172A
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- Prior art keywords
- direct
- heating
- electric heater
- outer barrel
- efficient electric
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- 238000010438 heat treatment Methods 0.000 claims abstract description 110
- 239000012530 fluid Substances 0.000 claims abstract description 24
- 230000006641 stabilisation Effects 0.000 claims abstract description 20
- 238000011105 stabilization Methods 0.000 claims abstract description 20
- 230000006835 compression Effects 0.000 claims description 4
- 238000007906 compression Methods 0.000 claims description 4
- 230000008878 coupling Effects 0.000 claims description 4
- 238000010168 coupling process Methods 0.000 claims description 4
- 238000005859 coupling reaction Methods 0.000 claims description 4
- 230000005611 electricity Effects 0.000 claims description 4
- 238000012546 transfer Methods 0.000 abstract description 12
- 239000000463 material Substances 0.000 description 12
- 239000007789 gas Substances 0.000 description 6
- 238000013461 design Methods 0.000 description 5
- 238000012544 monitoring process Methods 0.000 description 4
- 230000000903 blocking effect Effects 0.000 description 3
- 238000005260 corrosion Methods 0.000 description 3
- 230000000694 effects Effects 0.000 description 3
- 238000004321 preservation Methods 0.000 description 3
- 238000003825 pressing Methods 0.000 description 3
- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 description 2
- 230000000712 assembly Effects 0.000 description 2
- 238000000429 assembly Methods 0.000 description 2
- 230000033228 biological regulation Effects 0.000 description 2
- CREMABGTGYGIQB-UHFFFAOYSA-N carbon carbon Chemical compound C.C CREMABGTGYGIQB-UHFFFAOYSA-N 0.000 description 2
- 239000011203 carbon fibre reinforced carbon Substances 0.000 description 2
- 150000001875 compounds Chemical class 0.000 description 2
- 238000010276 construction Methods 0.000 description 2
- 230000007797 corrosion Effects 0.000 description 2
- 238000010586 diagram Methods 0.000 description 2
- 239000007770 graphite material Substances 0.000 description 2
- 239000010410 layer Substances 0.000 description 2
- 238000011068 loading method Methods 0.000 description 2
- 229910001120 nichrome Inorganic materials 0.000 description 2
- 238000013021 overheating Methods 0.000 description 2
- 238000012545 processing Methods 0.000 description 2
- 230000009467 reduction Effects 0.000 description 2
- 239000011435 rock Substances 0.000 description 2
- 238000012360 testing method Methods 0.000 description 2
- 229920000049 Carbon (fiber) Polymers 0.000 description 1
- IUHFWCGCSVTMPG-UHFFFAOYSA-N [C].[C] Chemical class [C].[C] IUHFWCGCSVTMPG-UHFFFAOYSA-N 0.000 description 1
- 239000000956 alloy Substances 0.000 description 1
- 230000015572 biosynthetic process Effects 0.000 description 1
- 229910052799 carbon Inorganic materials 0.000 description 1
- 239000004917 carbon fiber Substances 0.000 description 1
- 230000008859 change Effects 0.000 description 1
- 239000003610 charcoal Substances 0.000 description 1
- 238000001311 chemical methods and process Methods 0.000 description 1
- 238000006243 chemical reaction Methods 0.000 description 1
- 239000011247 coating layer Substances 0.000 description 1
- 239000002131 composite material Substances 0.000 description 1
- 208000012839 conversion disease Diseases 0.000 description 1
- 238000005485 electric heating Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 230000007613 environmental effect Effects 0.000 description 1
- 239000002360 explosive Substances 0.000 description 1
- 239000004744 fabric Substances 0.000 description 1
- 229910002804 graphite Inorganic materials 0.000 description 1
- 239000010439 graphite Substances 0.000 description 1
- 230000008676 import Effects 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 229910052751 metal Inorganic materials 0.000 description 1
- 239000002184 metal Substances 0.000 description 1
- 239000007769 metal material Substances 0.000 description 1
- VNWKTOKETHGBQD-UHFFFAOYSA-N methane Chemical compound C VNWKTOKETHGBQD-UHFFFAOYSA-N 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- GALOTNBSUVEISR-UHFFFAOYSA-N molybdenum;silicon Chemical compound [Mo]#[Si] GALOTNBSUVEISR-UHFFFAOYSA-N 0.000 description 1
- 238000002360 preparation method Methods 0.000 description 1
- 230000005855 radiation Effects 0.000 description 1
- 230000006798 recombination Effects 0.000 description 1
- 238000005215 recombination Methods 0.000 description 1
- 238000004088 simulation Methods 0.000 description 1
- 239000010935 stainless steel Substances 0.000 description 1
- 229910001220 stainless steel Inorganic materials 0.000 description 1
- 238000003786 synthesis reaction Methods 0.000 description 1
- 230000005619 thermoelectricity Effects 0.000 description 1
- 231100000331 toxic Toxicity 0.000 description 1
- 230000002588 toxic effect Effects 0.000 description 1
- WFKWXMTUELFFGS-UHFFFAOYSA-N tungsten Chemical compound [W] WFKWXMTUELFFGS-UHFFFAOYSA-N 0.000 description 1
- 229910052721 tungsten Inorganic materials 0.000 description 1
- 239000010937 tungsten Substances 0.000 description 1
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 1
Classifications
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F24—HEATING; RANGES; VENTILATING
- F24H—FLUID HEATERS, e.g. WATER OR AIR HEATERS, HAVING HEAT-GENERATING MEANS, e.g. HEAT PUMPS, IN GENERAL
- F24H3/00—Air heaters
- F24H3/02—Air heaters with forced circulation
- F24H3/04—Air heaters with forced circulation the air being in direct contact with the heating medium, e.g. electric heating element
- F24H3/0405—Air heaters with forced circulation the air being in direct contact with the heating medium, e.g. electric heating element using electric energy supply, e.g. the heating medium being a resistive element; Heating by direct contact, i.e. with resistive elements, electrodes and fins being bonded together without additional element in-between
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F24—HEATING; RANGES; VENTILATING
- F24H—FLUID HEATERS, e.g. WATER OR AIR HEATERS, HAVING HEAT-GENERATING MEANS, e.g. HEAT PUMPS, IN GENERAL
- F24H9/00—Details
- F24H9/20—Arrangement or mounting of control or safety devices
- F24H9/2064—Arrangement or mounting of control or safety devices for air heaters
- F24H9/2071—Arrangement or mounting of control or safety devices for air heaters using electrical energy supply
Landscapes
- Engineering & Computer Science (AREA)
- Physics & Mathematics (AREA)
- Thermal Sciences (AREA)
- Chemical & Material Sciences (AREA)
- Combustion & Propulsion (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Resistance Heating (AREA)
Abstract
The invention discloses a kind of direct-type efficient electric heaters, including outer barrel, the rectifying cavity of the current stabilization chamber, heating chamber and the medium outflow that are flowed into it equipped with medium, fluid distributor is equipped in the rectifying cavity, heating component is equipped in the heating chamber, heat screen is equipped between the heating chamber and outer barrel inner wall, the outer barrel is equipped with electrode assembly, and the electrode assembly is connected with the heating component;It is a kind of direct-type heater using snakelike heating component structure.It after fluid media (medium) enters pipeline, is flowed through fluid distributor after one section of current stabilization chamber flows, then direct heat transfer is carried out in heating chamber, the medium after heat exchange travels further into next workshop section such as reactor using being flowed out after one section of rectifying cavity;Medium carries out direct heat transfer by heating component in heating chamber, and heat exchange efficiency is up to more than 95%, non-resistance, and the pressure loss is smaller;Heating component is required according to medium heating process, pollution-free, less scaling, heats efficient stable.
Description
Technical field
The present invention relates to electric heater field more particularly to a kind of direct-type efficient electric heaters.
Background technology
In many industrial process, the heating of gas medium is extremely important, especially for chemical process, it is often necessary to
High temperature, high pressure, toxic, harmful, inflammable, explosive one or more mixed gas are heated to according to technological requirement by a constant temperature
Degree, it is stringent to the control of temperature in order to ensure stablizing for reaction carries out and improve reaction conversion ratio.Meanwhile gas heating will also
Accomplish homogeneous heating, good effect of heat exchange, heating element is unable to fouling in heating system, in order to avoid hot-spot, corrosion is even blown
Heating element.
The principle of heating of conventional fluid electric heater is:Medium through pipeline, by electric heater container input end into
Enter in the electric heater container equipped with tubular electrothermal element, existing general heating tube is common anti-corrosion pipe or curved spiral
Pipe coil arrangement.For medium from during heating inside pipe wall flowing, electric heating wire conduction heats heating tube heat radiation, former by heat transfer
Reason is realized carries out heat exchange to the medium in heating tube, belongs to indirectly heat, efficiency using low, by current density, apparent power and
Heat transfer rate and heater volume influence, and realize that high pressure, high temperature, big flow, high-power electric heater difficulty are larger, and without
It helps or even difficult to realize.It is traditional especially for having stronger corrosivity and be easy to the medium of fouling during heating
Electric heater is used to the direct-fired mode of spiral heat exchange tube, causes frequent occurrence of equipment blocking and element in heating process
Corrosion and damage, service life is short, increases enterprise operation cost.
The content of the invention
It is low in order to solve the efficiency of heating surface existing for coil pipe indirectly heat, it easily blocks and the problem of perishable, the service life is low, this hair
It is bright to provide a kind of direct-type efficient electric heater.
In order to achieve the above objectives, the embodiment of the present invention adopts the following technical scheme that:
A kind of direct-type efficient electric heater, the direct-type efficient electric heater includes outer barrel, interior to be equipped with medium
Current stabilization chamber, heating chamber and the rectifying cavity of medium outflow of inflow, the current stabilization intracavitary is equipped with fluid distributor, the heating chamber
It is interior to be equipped with heating component, heat screen is equipped between the heating chamber and outer barrel inner wall, the outer barrel is equipped with electrode assembly, institute
Electrode assembly is stated with the heating component to be connected.
According to one aspect of the present invention, the heating component is serpentine configuration heater.
According to one aspect of the present invention, the one side where the outer barrel current stabilization chamber is equipped with inlet interface flange.
According to one aspect of the present invention, the one side where the outer barrel rectifying cavity is equipped with discharge coupling flange.
According to one aspect of the present invention, the outer barrel is equipped with thermocouple nozzle, is equipped in the outer barrel several
Temperature-detecting device, the temperature-detecting device pass through the external temperature control device of thermocouple nozzle.
According to one aspect of the present invention, the current stabilization cavity fluid is uniformly distributed through fluid distributor.
According to one aspect of the present invention, the electrode assembly includes electrode mounting cup, terminal box and earth-fault protection
System.
According to one aspect of the present invention, the heating chamber is hollow structure.
According to one aspect of the present invention, the heat screen is attached admittedly by compressing spring support and outer barrel
It is fixed.
According to one aspect of the present invention, the heating component is rodlike or banded structure heater.
The advantages of present invention is implemented:Direct-type efficient electric heater of the present invention, including outer barrel, interior be equipped with is situated between
The rectifying cavity of current stabilization chamber, heating chamber and medium outflow that mass flow enters, the heating chamber are externally provided with heating component and fluid distrbution
Device, between the heating chamber and outer barrel inner wall be equipped with heat screen, the outer barrel be equipped with electrode assembly, the electrode assembly with
The heating component is connected;It is a kind of direct-type heater using snakelike heating component structure.Fluid media (medium) enter pipeline into
It after mouth flange, is flowed through fluid distributor after one section of current stabilization chamber flows, then direct heat transfer is carried out in heating chamber, passed through
Thermocouple and temperature sensor carry out monitoring temperature, and the medium after heat exchange after one section of rectifying cavity using flowing through outlet(discharge) flange surface current
Go out, travel further into next workshop section such as reactor;Medium carries out direct heat transfer, heat exchange effect by the heating component in heating chamber
Rate is up to more than 95%, non-resistance, and the pressure loss is smaller;Heating component is required according to medium heating process, pollution-free, is not easy to tie
Dirt heats efficient stable.
Description of the drawings
It to describe the technical solutions in the embodiments of the present invention more clearly, below will be to needed in the embodiment
Attached drawing is briefly described, it should be apparent that, the accompanying drawings in the following description is only some embodiments of the present invention, for ability
For the those of ordinary skill of domain, without creative efforts, it can also be obtained according to these attached drawings other attached
Figure.
Fig. 1 is a kind of structure diagram of direct-type efficient electric heater of the present invention;
Fig. 2 is a kind of heating component structure diagram of direct-type efficient electric heater of the present invention.
Specific embodiment
Below in conjunction with the attached drawing in the embodiment of the present invention, the technical solution in the embodiment of the present invention is carried out clear, complete
Site preparation describes, it is clear that described embodiment is only part of the embodiment of the present invention, instead of all the embodiments.It is based on
Embodiment in the present invention, those of ordinary skill in the art are obtained every other without making creative work
Embodiment belongs to the scope of protection of the invention.
As depicted in figs. 1 and 2, a kind of direct-type efficient electric heater, the direct-type efficient electric heater include outer barrel
Body 1, in the rectifying cavity 4 of current stabilization chamber 2, heating chamber 3 and medium outflow that is flowed into equipped with medium, be equipped in the current stabilization chamber 2
Fluid distributor 12, fluid is uniformly distributed through fluid distributor 12 in the current stabilization chamber 2, and heating group is equipped in the heating chamber 3
Heat screen 11 is equipped between 1 inner wall of heating chamber 3 described in part 9 and outer barrel, the outer barrel 1 is equipped with electrode assembly 10, the electricity
Pole component 10 is connected with the heating component 9.
Wherein, the heating component 9 can be serpentine configuration.One side where the 1 current stabilization chamber of outer barrel 2 connects equipped with import
Mouth flange 5.One side where 1 rectifying cavity of outer barrel 4 is equipped with discharge coupling flange 8.The outer barrel is equipped with thermocouple
Nozzle 7.Several temperature-detecting devices are equipped in the outer barrel, the temperature-detecting device passes through the external temperature control of thermocouple nozzle
Equipment.The electrode assembly includes electrode mounting cup, terminal box and ground-fault protection system.The heating component can also be stick
Shape or banded structure.The heating chamber is hollow structure.The heat screen 11 by compress spring support 6 and outer barrel 1 into
Row connection is fixed.
It in practical applications, can be as follows:
Outer barrel is pressure resistant vessel, and pressing force Vessel Design possesses the current stabilization chamber of medium inflow, a hollow heating
The rectifying cavity that flows out after chamber and medium heating has inlet interface flange, multiple compression spring supports, thermoelectricity on outer barrel
Even nozzle and discharge coupling flange.
In the heating chamber included in outer barrel, equipped with heating component, which has serpentine configuration, according to electrically matching somebody with somebody
Requirement is put, general heating component is connected for three, i.e. the general three-phase for being connected respectively to power supply of heating component.The heating group
Part is required according to medium heating process, generally using graphite, in the heating materials such as charcoal-charcoal is compound, silicon molybdenum, tungsten, nichrome
It is a kind of.
Three-phase heating component is connected to the three-phase of power supply by three electrode assemblies, provides the work(from power supply to heater element
Rate.Electrode assembly generally comprises electrode mounting cup, terminal box, ground-fault protection system etc., and electrode hood is prevented in surrounding them
Personnel encounter power connection points by mistake;Terminal box is connected for sensor power with signal;Ground-fault protection system is used for detecting
Whether internal heating component touches the earth fault of outer housing, other inner parts or power cord short circuit.
Be also equipped with cylinder type heat screen in cavity between outer housing and heating chamber, the main function of heat screen be every
Heat, heat preservation and reduction heat loss.Metal material, metal coating layer material, graphite material can be used according to processing medium requirement in heat screen
One kind in material.Heat screen is fixed on by the compression spring support of outer housing on outer barrel, provides the inside branch of heat screen
Support, prevents that inner member rocks caused by media flow.
Head turbulent flow intracavitary is equipped with fluid distributor, for uniform fluid flow, more effectively exchanges heat.
Heater inlet, centre and outlet temperature are provided by thermocouple and temperature sensor to show, monitor temperature overheating
Alarm and shutdown.
In actual work, operating pressure is 0.1~8MPa, and operating temperature is room temperature~1500 DEG C, output power 500
~15000KW.
Three groups of snakelike heating components are connected respectively to the three-phase of power supply by three electrodes, meet medium by power regulation
The requirement of outlet temperature.The features such as requirement of snakelike heating component material therefor is not easy to deform at high temperature, is rotten.According to work temperature
Degree and gas medium property select heating material.Common material has carbon carbon composite, graphite material, nichrome etc..
The parameters such as type selecting, developed area and the perforate of heating component are by heater power, current density, apparent power, gas pressure, stream
What the parametric synthesis such as amount, temperature determined.Electric heater output power is adjusted by power governor, passes through such control
Heating object material temperature degree is more uniform.Multiple serial or parallel connections may be employed to reach technique purpose.Heater can vertically or water
Safety fills.
In practical applications, the high power air heater of aviation field can be used in.Aero Engine Testing platform needs
High-power, big flow air heater.
In actual use, horizontal or vertical installation generally can be used in heater.Design pressure is 5MPa, pressure-air from
50 DEG C are heated to 750 DEG C, and separate unit heating power is up to 15000kW.According to the present embodiment, gases at high pressure are from inlet flange into surely
Chamber is flowed, is flowed through fluid distributor after one section of Stationary flow, then direct heat transfer is carried out in heating chamber, is directly changed
Heat carries out monitoring temperature by thermocouple and temperature sensor, and the medium after heat exchange after rectifying cavity using flowing through outlet(discharge) flange
Surface current goes out, for engine environmental simulation test.
In flow cavity and heating chamber that outer barrel includes, equipped with annular porous heating component, which has snakelike
Structure, (calling snakelike heating component in the following text) requires according to electrical configurations, and using three-phase star-like connection, heating component is divided into three and is connected
It connects, i.e. the general three-phase for being connected respectively to power supply of heating component.Snakelike heating component divides three-phase to pass through three electrode assemblies
The three-phase of power supply is connected to, the power from power supply to heater element is provided.
The heating component is required according to air heating process, pollution-free, less scaling, and carbon-carbon composites can be used, add
Hot efficient stable.
Be also equipped with cylinder type heat screen in cavity between outer housing and heating chamber, the main function of heat screen be every
Heat, heat preservation and reduction heat loss.High temperature resistant stainless steel or nickel-bass alloy material can be used according to processing medium requirement in heat screen, protects
Temperature is heat-insulated, protects pressure container cylinder.Heat screen is fixed on by the compression spring support of outer housing on outer barrel, provide every
The inside support of heat shielding prevents that inner member rocks caused by mass flow air flows.
Head current stabilization intracavitary is equipped with fluid distributor, for uniform fluid flow, can more effectively exchange heat.
Heater electrode component generally comprises electrode mounting cup, terminal box, ground-fault protection system etc., and electrode hood is in electricity
Around pole, prevent personnel from encountering power connection points by mistake;Terminal box is connected for sensor power with signal;Earth-fault protection system
System is used for detecting the earth fault whether internal heating component touches outer housing, other inner parts or power cord short circuit.It is logical
It crosses thermocouple and temperature sensor provides heater inlet, intermediate and outlet temperature is shown, monitoring temperature overheating is alarmed and shut down.
By cable connection heater electricity grade and power supply, the power of electric heater is adjustable, the outlet according to heater in range
Temperature carries out the power regulation on heater element.Control system can be configured to a controller while control two heaters,
To maintain required outlet temperature.Air carries out direct heat transfer, avoids indirect by pipe directly through the cavity of heater
Heat exchange, the efficiency of heating surface greatly improve.
1st, at least two are employed by outer layer barrel and interior heat screen structure, pressure-containing member pressing force Vessel Design is heat-insulated
Screen protection temperature reduces thermal loss, can high temperature high voltage resistant.
2nd, medium direct heat transfer in heating chamber needs not move through coil pipe or pipe indirect heat exchange, and heat exchange efficiency is high, flowing
Resistance is small, and less scaling and blocking, service life are long.
3rd, snakelike heating component uses special construction and material, and heating surface (area) (HS is big, and surface loading is high, thermal-stable.It (substitutes
Scheme can use stick heating component) the compound high temperature heated materials of carbon carbon are the carbon-based bluk recombinations that carbon fiber and its fabric enhance
Material.With low-density, high intensity, high ratio modulus, high-termal conductivity, low-expansion coefficient, frictional behaviour be good and thermal-shock resistance
Can be good, dimensional stability is high the advantages that.
4th, cooperation stream design, media flow can be uniformly distributed, high efficient heat exchanging.
5th, three-phase electric control has electrode protection cover and terminal box, ground protection system, insulating part etc., safe.
6th, electric heater output power is adjusted by power governor, passes through such control heating object material temperature degree
More uniformly.
The advantages of present invention is implemented:Direct-type efficient electric heater of the present invention, including outer barrel, interior be equipped with is situated between
The rectifying cavity of current stabilization chamber, heating chamber and medium outflow that mass flow enters, the heating chamber are externally provided with heating component and fluid distrbution
Device, between the heating chamber and outer barrel inner wall be equipped with heat screen, the outer barrel be equipped with electrode assembly, the electrode assembly with
The heating component is connected;It is a kind of direct-type heater using snakelike heating component structure.Fluid media (medium) enter pipeline into
It after mouth flange, is flowed through fluid distributor after one section of current stabilization chamber flows, then direct heat transfer is carried out in heating chamber, passed through
Thermocouple and temperature sensor carry out monitoring temperature, and the medium after heat exchange after one section of rectifying cavity using flowing through outlet(discharge) flange surface current
Go out, travel further into next workshop section such as reactor;Medium carries out direct heat transfer, heat exchange effect by the heating component in heating chamber
Rate is up to more than 95%, non-resistance, and the pressure loss is smaller;Heating component is required according to air heating process, pollution-free, is not easy to tie
Dirt heats efficient stable.At least two are employed by outer layer barrel and interior heat screen structure, pressure-containing member pressing force container is set
Meter, heat screen heat preservation, reduces thermal loss, can high temperature high voltage resistant;Medium direct heat transfer in heating chamber, needs not move through coil pipe
Or pipe indirect heat exchange, heat exchange efficiency is high, and flow resistance is small, and less scaling and blocking, service life are long;Snakelike heating component is adopted
With special construction and material, heating surface (area) (HS is big, and surface loading is high, thermal-stable;Cooperation stream design, high efficient heat exchanging.
The above description is merely a specific embodiment, but protection scope of the present invention is not limited thereto, any
Those skilled in the art is in technical scope disclosed by the invention, the change or replacement that can readily occur in, all should
It is included within the scope of the present invention.Therefore, protection scope of the present invention should using the scope of the claims as
It is accurate.
Claims (10)
1. a kind of direct-type efficient electric heater, which is characterized in that the direct-type efficient electric heater includes outer barrel, in
The rectifying cavity of the current stabilization chamber, heating chamber and the medium outflow that are flowed into equipped with medium, the current stabilization intracavitary are equipped with fluid distributor, institute
It states and heating component is equipped in heating chamber, heat screen is equipped between the heating chamber and outer barrel inner wall, the outer barrel is equipped with electricity
Pole component, the electrode assembly are connected with the heating component.
2. direct-type efficient electric heater according to claim 1, which is characterized in that the heating component is serpentine configuration
Heater.
3. direct-type efficient electric heater according to claim 1, which is characterized in where the outer barrel current stabilization chamber
One side is equipped with inlet interface flange.
4. direct-type efficient electric heater according to claim 1, which is characterized in where the outer barrel rectifying cavity
One side is equipped with discharge coupling flange.
5. direct-type efficient electric heater according to claim 1, which is characterized in that the outer barrel is equipped with thermocouple
Nozzle, outer barrel is interior to be equipped with several temperature-detecting devices, and the temperature-detecting device passes through the external temperature control device of thermocouple nozzle.
6. direct-type efficient electric heater according to claim 1, which is characterized in that the current stabilization cavity fluid is through fluid
Distributor is uniformly distributed.
7. direct-type efficient electric heater according to claim 1, which is characterized in that the electrode assembly is pacified including electrode
Dress cover, terminal box and ground-fault protection system.
8. direct-type efficient electric heater according to claim 1, which is characterized in that the heating chamber is hollow structure.
9. the direct-type efficient electric heater according to one of claim 1 to 8, which is characterized in that the heat screen passes through
Compression spring support is attached fixation with outer barrel.
10. direct-type efficient electric heater according to claim 9, which is characterized in that the heating component to be rodlike or
Banded structure heater.
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
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CN201611007105.5A CN108072172B (en) | 2016-11-16 | 2016-11-16 | Direct high-efficient electric heater |
Applications Claiming Priority (1)
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---|---|---|---|
CN201611007105.5A CN108072172B (en) | 2016-11-16 | 2016-11-16 | Direct high-efficient electric heater |
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CN108072172A true CN108072172A (en) | 2018-05-25 |
CN108072172B CN108072172B (en) | 2024-04-16 |
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Cited By (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN109631559A (en) * | 2018-11-08 | 2019-04-16 | 太仓考斯茂石英有限公司 | Gas heater is used in chip drying |
CN110806009A (en) * | 2019-11-01 | 2020-02-18 | 镇江东方电热有限公司 | Heat insulation structure of heating core |
CN113432295A (en) * | 2021-06-09 | 2021-09-24 | 北京航空航天大学 | Spiral high-flow ultrahigh-temperature air electric heater |
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CN202229413U (en) * | 2011-09-20 | 2012-05-23 | 无锡博睿奥克电气有限公司 | Impact resistant current-sharing device of electric heater |
CN103968542A (en) * | 2014-05-26 | 2014-08-06 | 西北工业大学 | Small quick heater |
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