CN109405271A - A kind of electromagnetic induction heater - Google Patents
A kind of electromagnetic induction heater Download PDFInfo
- Publication number
- CN109405271A CN109405271A CN201811593979.2A CN201811593979A CN109405271A CN 109405271 A CN109405271 A CN 109405271A CN 201811593979 A CN201811593979 A CN 201811593979A CN 109405271 A CN109405271 A CN 109405271A
- Authority
- CN
- China
- Prior art keywords
- electromagnetic induction
- inner tube
- tube
- wall
- heat
- 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.)
- Pending
Links
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
- F24H1/00—Water heaters, e.g. boilers, continuous-flow heaters or water-storage heaters
- F24H1/10—Continuous-flow heaters, i.e. heaters in which heat is generated only while the water is flowing, e.g. with direct contact of the water with the heating medium
- F24H1/12—Continuous-flow heaters, i.e. heaters in which heat is generated only while the water is flowing, e.g. with direct contact of the water with the heating medium in which the water is kept separate from the heating medium
- F24H1/14—Continuous-flow heaters, i.e. heaters in which heat is generated only while the water is flowing, e.g. with direct contact of the water with the heating medium in which the water is kept separate from the heating medium by tubes, e.g. bent in serpentine form
- F24H1/142—Continuous-flow heaters, i.e. heaters in which heat is generated only while the water is flowing, e.g. with direct contact of the water with the heating medium in which the water is kept separate from the heating medium by tubes, e.g. bent in serpentine form using electric energy supply
-
- 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
- F24H9/18—Arrangement or mounting of grates or heating means
- F24H9/1809—Arrangement or mounting of grates or heating means for water heaters
- F24H9/1818—Arrangement or mounting of electric heating means
-
- 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
- H05B6/00—Heating by electric, magnetic or electromagnetic fields
- H05B6/02—Induction heating
-
- 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
- F24H2250/00—Electrical heat generating means
- F24H2250/08—Induction
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)
- Electromagnetism (AREA)
- General Induction Heating (AREA)
Abstract
The invention discloses a kind of electromagnetic induction heaters, including electromagnetic induction heating body, three round inner tube through flow holes are respectively opened at inner tube external screw thread in the inner tube both ends of the electromagnetic induction heating body, cross heat transmission fin is a tight fit on the inner wall of inner tube, the inner wall of the outer wall and outer tube of inner and outer pipes sealing fixture and inner tube forms an inner and outer pipes heat absorption cavity, S type deflector is a tight fit in inner and outer pipes heat absorption cavity, the outer wall of outer tube is wrapped electromagnetic induction heating coil, intake-outlet of the both ends of inner tube as electromagnetic induction heating body, inner tube is connected by inner tube external screw thread with inner and outer pipes sealing fixture internal screw thread；The present invention is by being arranged cross heat transmission fin in inner tube wall, increase heat-conducting area, improves heat utilization efficiency, form a S type liquid heat medium channel in inner and outer pipes heat-absorbing chamber body by S type deflector, the heat for fully absorbing outer wall of inner tube generation, improves heat utilization efficiency.
Description
Technical field
The present invention relates to electromagnetic induction heating field, specifically a kind of electromagnetic induction heater.
Background technique
Electromagnetic induction heater is the component for heating to liquid heat medium, can be to liquid heat mediums such as water, conduction oils
It is heated.In recent years, the field of heating is grown rapidly electromagnetic induction heating technology at home, is occurred on the market very
More electromagnetic induction heaters make a general survey of these electromagnetic induction heaters, and basic structure is: inner tube is high permeability, height is led
The round metal tube of hot coefficient coats heat-insulating material outside inner tube, in adiabatic heat-insulation as the cavity of heating liquid heat medium
Material outer is inserted in outer tube, and outer tube is the round non-metallic pipe of the exhausted magnetic of inside and outside wall smoother, insulation, twines in the outer wall of outer tube
Around electromagnetic induction heating coil.During heating, the liquid heat medium quickly flowed absorbs the heat that inner tube generates, to heat
Liquid heat medium.
But during heating, the temperature of inner tube center liquid heating agent is lower than the temperature close to inner tube wall liquid heat medium,
Liquid heat medium uneven heating is even, and heat does not make full use of；Since what is filled between inner and outer pipes is heat-insulating material, outside inner tube
The heat of wall is not utilized；Electromagnetic induction heating coil temperature is higher, blows phenomenon frequent occurrence；Outer tube outer wall relatively light
Sliding, winding electromagnetic induction heating coil is time-consuming and laborious；For inner tube by liquid heat medium seriously corroded, service life is shorter.
Summary of the invention
The purpose of the present invention is to provide a kind of electromagnetic induction heaters, to solve mentioned above in the background art ask
Topic.
To achieve the above object, the invention provides the following technical scheme:
A kind of electromagnetic induction heater, including electromagnetic induction heating body, which is characterized in that the electromagnetic induction heating body includes
It is cross heat transmission fin, inner tube, inner tube through flow hole, inner tube external screw thread, inner and outer pipes heat absorption cavity, S type deflector, outer tube, inside and outside
Seal of tube fixing piece, inner and outer pipes sealing fixture internal screw thread, high temperature resistant waterproof gasket, outer tube spiral inserting slot, electromagnetic induction
Heating coil and inner tube intake-outlet, it is through-flow that three round inner tubes are respectively opened at said inner tube both ends at inner tube external screw thread
Hole, the cross heat transmission fin are a tight fit on the inner wall of inner tube, the outer wall and outer tube of inner and outer pipes sealing fixture and inner tube
Inner wall form inner and outer pipes and absorb heat cavity, S type deflector is a tight fit in inner and outer pipes heat absorption cavity, opens on the outer wall of outer tube
Equipped with outer tube spiral inserting slot, electromagnetic induction heating coil is wrapped in outer tube spiral inserting slot, and the both ends of inner tube are as electromagnetism
The intake-outlet of induction heating body, inner tube are connected by inner tube external screw thread with inner and outer pipes sealing fixture internal screw thread, and outer tube passes through
High temperature resistant waterproof gasket is connect with inner and outer pipes sealing fixture, and inner and outer pipes sealing fixture is for connecting inner and outer tubes.
As a further solution of the present invention: said inner tube is the circle gold of high permeability, high thermal conductivity coefficient, wall thickness 5mm
Belong to pipe.
As further scheme of the invention: the cross heat transmission fin is low permeability, high thermal conductivity coefficient, thickness
The metal aluminium of 5mm.
As further scheme of the invention: the S type deflector is low permeability, high thermal conductivity coefficient, wall thickness 5mm
Metal aluminium.
As the present invention further scheme: the outer tube is that exhausted magnetic, insulation, pressure resistance, the circle of wall thickness 8mm are nonmetallic
Pipe.
As further scheme of the invention: separation 1mm, the groove depth 4mm of the outer tube spiral inserting slot.
As further scheme of the invention: electromagnetic induction heating coil is by line footpath φ 0.29mm2The resistance to height of multiply insulation
The litz wire composition that warm electromagnetic wire is twisted.
As further scheme of the invention: the inside and outside wall and cross heat transmission fin and S type water conservancy diversion of said inner tube
Plate surface anticorrosion with painting heat conducting coating, the inner-wall spraying anti-corrosion adiabatic heat-insulation coating of outer tube.
Compared with prior art, the beneficial effects of the present invention are:
1. the present invention has rational design, by the way that cross heat transmission fin is arranged in inner tube wall, increases heat-conducting area, make to flow through inner tube
Liquid heat medium it is full and uniform heated, improve heat utilization efficiency；
2. the present invention forms a S type liquid heat medium channel by S type deflector in inner and outer pipes heat-absorbing chamber body, fully absorb interior
The heat that pipe outer wall generates, improves heat utilization efficiency；
3. the present invention is by the inside and outside wall of inner tube and cross heat transmission fin and the thermally conductive painting of S type baffle surface anticorrosion with painting
Layer, prevents the corrosion of liquid heat medium, extends service life；
4. the present invention is by effectively inhibiting heat to transmit to outer tube outer wall, subtracting in outer tube wall anticorrosion with painting adiabatic heat-insulation coating
Few thermal loss, reduces the temperature of electromagnetic induction heating coil, stabilizes temperature performance；
5. spiral inserting slot is arranged by the outer wall in outer tube in the present invention, it is offline that electromagnetic induction heating coil is wrapped in outer tube spiral
In slot, saves the electromagnetic induction heating coil winding time, improves production efficiency.
Detailed description of the invention
Fig. 1 is the general structure schematic diagram of electromagnetic induction heater.
Fig. 2 is inner tube and outer tube structure schematic diagram in electromagnetic induction heater.
Fig. 3 is the structural schematic diagram of inner tube in electromagnetic induction heater.
Fig. 4 is the structural schematic diagram of inner tube side view in electromagnetic induction heater.
Fig. 5 is the structural schematic diagram of electromagnetic induction heater middle external tube.
Fig. 6 is the structural schematic diagram of inner and outer pipes sealing fixture in electromagnetic induction heater.
In figure: 1- inner tube, 2- outer tube, 3- inner and outer pipes sealing fixture, 4- electromagnetic induction heating coil, the heat absorption of 5- inner and outer pipes
Cavity, 6-S type deflector, 7- inner tube through flow hole, the cross heat transmission fin of 8-, 9- outer tube spiral inserting slot, the seal of tube inside and outside 10-
Fixing piece internal screw thread, 11- high temperature resistant waterproof gasket, 12- inner tube intake-outlet, 13- inner tube external screw thread, the thermally conductive painting of 14- anti-corrosion
Layer, 15- anti-corrosion adiabatic heat-insulation coating.
Specific embodiment
Following will be combined with the drawings in the embodiments of the present invention, and technical solution in the embodiment of the present invention carries out clear, complete
Site preparation description, it is clear that described embodiments are only a part of the embodiments of the present invention, instead of all the embodiments.It is based on
Embodiment in the present invention, it is obtained by those of ordinary skill in the art without making creative efforts every other
Embodiment shall fall within the protection scope of the present invention.
Embodiment 1
Please refer to Fig. 1~6, in the embodiment of the present invention, a kind of electromagnetic induction heater, including electromagnetic induction heating body, it is special
Sign is, the electromagnetic induction heating body include cross heat transmission fin 8, inner tube 1, inner tube through flow hole 7, inner tube external screw thread 13,
Inner and outer pipes absorb heat cavity 5, S type deflector 6, outer tube 2, inner and outer pipes sealing fixture 3, inner and outer pipes sealing fixture internal screw thread 10,
High temperature resistant waterproof gasket 11, outer tube spiral inserting slot 9, electromagnetic induction heating coil 4 and inner tube intake-outlet 12, said inner tube
Three round inner tube through flow holes 7, cross 8 tight fit of heat transmission fin are respectively opened at inner tube external screw thread 13 in 1 both ends
On the inner wall of inner tube 1, the inner wall of the outer wall and outer tube 2 of inner and outer pipes sealing fixture 3 and inner tube 1 forms an inner and outer pipes and absorbs heat
Cavity 5, S type deflector 6 are a tight fit in inner and outer pipes heat absorption cavity 5, and outer tube spiral inserting slot 9 is offered on the outer wall of outer tube 2,
Electromagnetic induction heating coil 4 is wrapped in outer tube spiral inserting slot 9, disengaging of the both ends of inner tube 1 as electromagnetic induction heating body
The mouth of a river 12, inner tube 1 are connected by inner tube external screw thread 13 and inner and outer pipes sealing fixture internal screw thread 10, and outer tube 2 is anti-by high temperature resistant
Water seal washer 11 is connect with inner and outer pipes sealing fixture 3, and inner and outer pipes sealing fixture 3 is for connecting inner tube 1 and outer tube 2.
Said inner tube 1 is the round metal tube of high permeability, high thermal conductivity coefficient, wall thickness 5mm.
The cross heat transmission fin 8 is the metal aluminium of low permeability, high thermal conductivity coefficient, thickness 5mm.
The S type deflector 6 is the metal aluminium of low permeability, high thermal conductivity coefficient, wall thickness 5mm.
The outer tube 2 is the round non-metallic pipe of exhausted magnetic, insulation, pressure resistance, wall thickness 8mm.
Separation 1mm, the groove depth 4mm of the outer tube spiral inserting slot 9.
The working principle of the invention is: electromagnetic induction heater is divided into two heating agent heat absorbing parts worked at the same time: interior
The inner wall of pipe 1 and cross heat transmission fin 8 constitute the major part of heating agent heat absorption；Inner and outer pipes heat absorption cavity 5 constitutes heating agent heat absorption
Slave part；Two heating agent heat absorbing parts worked at the same time and electromagnetic induction heating coil 4 collectively form a set of electromagnetic induction
Heating device, inner tube intake-outlet 12 are also the intake-outlet 12 of electromagnetic induction heater simultaneously.
When beginning to warm up circulation, liquid heat medium is under the driving of circulating pump, from the Inlet and outlet water of electromagnetic induction heater
Mouthfuls 12 flow through, and are divided into two heat absorption circuits inside electromagnetic induction heater, first heat absorption circuit from the inner wall of inner tube 1 with
Cross heat transmission fin 8 flows through, and absorbs heat, since cross heat transmission fin 8 is low permeability, high thermal conductivity coefficient, thickness 5mm
Metal aluminium, be a tight fit on the inner wall of inner tube 1, so cross heat transmission fin 8 and inner tube 1 make to flow almost without the temperature difference
The liquid heat medium of inner tube is crossed, heating surface area is bigger, is uniformly heated, and endothermic effect is more preferable, improves heat utilization efficiency.Second suction
Hot loop is flowed through through S type deflector 6 in inner and outer pipes heat-absorbing chamber body 5 from the inner tube through flow hole 7 of inner tube 1, absorbs heat, and S is arranged
Type deflector 6 mainly allows liquid heat medium path flows as defined in the S type deflector 6, and liquid heat medium fully absorbs 1 outer wall of inner tube
The heat of the heat of generation, the two heat absorption circuits is superimposed, improves heat utilization efficiency.In the outer wall of outer tube 2, outer tube spiral shell is set
Wire casing 9 is screwed off, electromagnetic induction heating coil 4 is wrapped in outer tube spiral inserting slot 9, has both saved electromagnetic induction heating coil winding
Time improves production efficiency, and makes electromagnetic induction heating coil neat appearance.
Embodiment 2
The present embodiment the difference from embodiment 1 is that:
The litz wire that electromagnetic induction heating coil 4 is twisted by line footpath φ 0.29mm2 multiply insulation high-temperature-resistant electromagnetic wire
Composition.
The inside and outside wall of said inner tube 1 and cross heat transmission fin 8 and 6 surface anticorrosion with painting heat conducting coating of S type deflector
14, the inner-wall spraying anti-corrosion adiabatic heat-insulation coating 15 of outer tube 2.
The working principle of the invention: on the inside and outside wall of inner tube 1 and the surface of cross heat transmission fin 8, all it is coated with anti-corrosion
Heat conducting coating 14 prevents liquid heat medium from prolonging the service life to its corrosion；In the inner-wall spraying anti-corrosion adiabatic heat-insulation of outer tube 2
Coating 15 effectively inhibits liquid heat medium heat to transmit to 2 outer wall of outer tube, not only reduces thermal loss, but also reduces electromagnetic induction and add
The temperature of heat coil 4.
It is obvious to a person skilled in the art that invention is not limited to the details of the above exemplary embodiments, Er Qie
In the case where without departing substantially from spirit or essential attributes of the invention, the present invention can be realized in other specific forms.Therefore, no matter
From the point of view of which point, the present embodiments are to be considered as illustrative and not restrictive, and the scope of the present invention is by appended power
Benefit requires rather than above description limits, it is intended that all by what is fallen within the meaning and scope of the equivalent elements of the claims
Variation is included within the present invention.Any reference signs in the claims should not be construed as limiting the involved claims.
In addition, it should be understood that although this specification is described in terms of embodiments, but not each embodiment is only wrapped
Containing an independent technical solution, this description of the specification is merely for the sake of clarity, and those skilled in the art should
It considers the specification as a whole, the technical solutions in the various embodiments may also be suitably combined, forms those skilled in the art
The other embodiments being understood that.
Claims (8)
1. a kind of electromagnetic induction heater, including electromagnetic induction heating body, which is characterized in that the electromagnetic induction heating body packet
Include cross heat transmission fin (8), inner tube (1), inner tube through flow hole (7), inner tube external screw thread (13), inner and outer pipes heat absorption cavity (5), S
Type deflector (6), outer tube (2), inner and outer pipes sealing fixture (3), inner and outer pipes sealing fixture internal screw thread (10), high temperature resistant waterproof
Gasket (11), outer tube spiral inserting slot (9), electromagnetic induction heating coil (4) and inner tube intake-outlet (12)；
Three round inner tube through flow holes (7), the cross are respectively opened at inner tube external screw thread (13) in said inner tube (1) both ends
Type heat transmission fin (8) is a tight fit on the inner wall of inner tube (1), the outer wall and outer tube of inner and outer pipes sealing fixture (3) and inner tube (1)
(2) inner wall forms inner and outer pipes heat absorption cavity (5), and S type deflector (6) is a tight fit in inner and outer pipes heat absorption cavity (5), outside
It manages and offers outer tube spiral inserting slot (9) on the outer wall of (2), electromagnetic induction heating coil (4) is wrapped in outer tube spiral inserting slot
(9) inner, intake-outlet (12) of the both ends of inner tube (1) as electromagnetic induction heating body, inner tube (1) passes through inner tube external screw thread (13)
It is connected with inner and outer pipes sealing fixture internal screw thread (10), outer tube (2) passes through high temperature resistant waterproof gasket (11) and the inside and outside seal of tube
Fixing piece (3) connection, inner and outer pipes sealing fixture (3) is for connecting inner tube (1) and outer tube (2).
2. electromagnetic induction heater according to claim 1, which is characterized in that said inner tube (1) is high permeability, height
The round metal tube of thermal coefficient, wall thickness 5mm.
3. electromagnetic induction heater according to claim 1, which is characterized in that the cross heat transmission fin (8) is
Low permeability, high thermal conductivity coefficient, thickness 5mm metal aluminium.
4. electromagnetic induction heater according to claim 1, which is characterized in that the S type deflector (6) is low magnetic conduction
Rate, high thermal conductivity coefficient, wall thickness 5mm metal aluminium.
5. electromagnetic induction heater according to claim 1, which is characterized in that the outer tube (2) be exhausted magnetic, insulation,
Pressure-resistant, wall thickness 8mm round non-metallic pipe.
6. electromagnetic induction heater according to claim 1, which is characterized in that the outer tube spiral inserting slot (9)
Separation 1mm, groove depth 4mm.
7. electromagnetic induction heater according to claim 1, which is characterized in that electromagnetic induction heating coil (4) is by line
Diameter φ 0.29mm2The litz wire composition that multiply insulation high-temperature-resistant electromagnetic wire is twisted.
8. -7 any electromagnetic induction heater according to claim 1, which is characterized in that said inner tube (1) it is inside and outside
Wall and cross heat transmission fin (8) and S type deflector (6) surface anticorrosion with painting heat conducting coating (14), the inner wall spray of outer tube (2)
It applies anti-corrosion adiabatic heat-insulation coating (15).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811593979.2A CN109405271A (en) | 2018-12-25 | 2018-12-25 | A kind of electromagnetic induction heater |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811593979.2A CN109405271A (en) | 2018-12-25 | 2018-12-25 | A kind of electromagnetic induction heater |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN109405271A true CN109405271A (en) | 2019-03-01 |
Family
ID=65461250
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201811593979.2A Pending CN109405271A (en) | 2018-12-25 | 2018-12-25 | A kind of electromagnetic induction heater |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN109405271A (en) |
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|---|---|---|---|---|
| JP2000030851A (en) * | 1998-07-14 | 2000-01-28 | Canon Inc | Heating device and image forming device |
| JP2000035724A (en) * | 1998-07-17 | 2000-02-02 | Matsushita Electric Ind Co Ltd | Image heating device and image forming device |
| KR20050092066A (en) * | 2004-03-13 | 2005-09-16 | 박용자 | A boiler using high frequency induction heating |
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| CN104968060A (en) * | 2015-07-02 | 2015-10-07 | 姜君虎 | Multifunctional coil induction heating device and heating method thereof |
| KR20160003464A (en) * | 2014-07-01 | 2016-01-11 | 민후 오 | Induction type heater |
| CN206237623U (en) * | 2016-12-19 | 2017-06-09 | 中国矿业大学(北京) | A kind of shale gas electromagnetism two-pass heating tube |
| CN206540230U (en) * | 2017-01-24 | 2017-10-03 | 河北浩永环保科技有限公司 | A kind of electromagnetic induction heating installation |
| CN207555582U (en) * | 2017-12-08 | 2018-06-29 | 湖北民族学院 | Using the superhigh temperature heating unit of electromagnetic heating |
| CN108322952A (en) * | 2018-03-23 | 2018-07-24 | 南通盛邦制辊有限公司 | Modified electromagnetic heating device |
| CN208042500U (en) * | 2018-03-15 | 2018-11-02 | 詹笑 | The electromagnetic induction heater of turbolator inside and outside a kind of band |
| CN209371499U (en) * | 2018-12-25 | 2019-09-10 | 长春市龙阳电气设备有限公司 | A kind of electromagnetic induction heater |
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2018
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Patent Citations (15)
| Publication number | Priority date | Publication date | Assignee | Title |
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| JP2000030851A (en) * | 1998-07-14 | 2000-01-28 | Canon Inc | Heating device and image forming device |
| JP2000035724A (en) * | 1998-07-17 | 2000-02-02 | Matsushita Electric Ind Co Ltd | Image heating device and image forming device |
| KR20050092066A (en) * | 2004-03-13 | 2005-09-16 | 박용자 | A boiler using high frequency induction heating |
| KR200405016Y1 (en) * | 2005-10-06 | 2006-01-11 | 이지혜 | A heating device of boiler using high frequency induction heating |
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