CN111426064A - Immersed coil countercurrent electromagnetic heating structure for heating liquid - Google Patents
Immersed coil countercurrent electromagnetic heating structure for heating liquid Download PDFInfo
- Publication number
- CN111426064A CN111426064A CN202010360276.6A CN202010360276A CN111426064A CN 111426064 A CN111426064 A CN 111426064A CN 202010360276 A CN202010360276 A CN 202010360276A CN 111426064 A CN111426064 A CN 111426064A
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- Prior art keywords
- cavity
- heat insulation
- induction coil
- outer cavity
- liquid
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Classifications
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- 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
-
- 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
- F24H9/0005—Details for water heaters
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- 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)
- General Induction Heating (AREA)
Abstract
The invention discloses an immersed coil countercurrent electromagnetic heating structure for heating liquid. The invention comprises an outer cavity, an inner cavity, a heat insulation sleeve, an induction coil and a heat insulation layer, wherein the induction coil is sleeved outside the heat insulation sleeve, the heat insulation sleeve is arranged between the outer cavity and the inner cavity, the heat insulation layer is wrapped outside the outer cavity, a liquid inlet is arranged on the bottom surface of the outer cavity between the outer cavity and the heat insulation sleeve, liquid outlets are arranged on the top surfaces of the outer cavity and the inner cavity, an upper liquid inlet channel is arranged on the peripheral surface of the top of the heat insulation sleeve and communicated with the inner cavity, and a lower liquid inlet channel is arranged on the peripheral surface of the. Because the induction coil is arranged between the inner cavity and the outer cavity, the magnetic field of the induction coil is completely shielded, thereby avoiding the interference of surrounding metal objects and reducing the requirement on the installation environment.
Description
Technical Field
The invention relates to a novel structure for electromagnetic heating of liquid, which is particularly suitable for explosion-proof places or places where the traditional electromagnetic heating mode is not suitable.
Background
The existing electromagnetic heating technology adopts an exposed structure of an induction coil, the induction coil is wound outside a ferromagnetic heating body, and a magnetic field generated by high-frequency current generates induction current in the ferromagnetic heating body so as to generate heat. The second is not suitable for places such as moist places, inflammable places, explosive places and the like.
Disclosure of Invention
In order to solve the problems of the existing electromagnetic heating, the invention provides a novel electromagnetic heating structure, which eliminates the leakage magnetic field of the induction coil, simultaneously utilizes the heat generated by the induction coil and further improves the overall electric heat conversion efficiency of the electromagnetic heating.
The invention relates to an immersed coil countercurrent electromagnetic heating structure for heating liquid, which comprises an outer cavity, an inner cavity, a heat insulation sleeve, an induction coil and a heat insulation layer, wherein the induction coil is sleeved outside the heat insulation sleeve, the heat insulation sleeve is arranged between the outer cavity and the inner cavity, the heat insulation layer is wrapped outside the outer cavity, a liquid inlet is arranged on the bottom surface of the outer cavity between the outer cavity and the heat insulation sleeve, liquid outlets are arranged on the top surfaces of the outer cavity and the inner cavity, an upper liquid inlet channel is arranged on the peripheral surface of the top of the heat insulation sleeve and communicated with the inner cavity, and a lower liquid inlet channel is arranged on the peripheral surface.
The induction coil is externally wrapped with a magnetic field shielding layer, the induction coil is arranged in the shielding layer, a main heating body is arranged inside the coil, and the shielding layer can shield the leakage magnetic field of the induction coil and is part of an auxiliary heating body.
The technical scheme of the invention has the following beneficial effects:
1. because the induction coil is arranged between the inner cavity and the outer cavity, the magnetic field of the induction coil is completely shielded, thereby avoiding the interference of surrounding metal objects and reducing the requirement on the installation environment.
2. Because the liquid needs to flow through the induction coil, the heat generated by the induction coil can be taken away, and the effect of cooling the coil and heating the liquid is achieved.
3. When the liquid flows between the heat insulation sleeve and the inner cavity, because the flow direction of the liquid is opposite to the natural convection direction of the liquid heated by the inner cavity, turbulent flow is generated, and the heating efficiency of the liquid is improved.
Drawings
FIG. 1 is a schematic diagram of the present invention.
Detailed Description
The invention is further described below with reference to the accompanying drawings.
As shown in figure 1, the invention comprises an outer cavity 1, an inner cavity 2, a heat insulation sleeve 5, an induction coil 6 and a heat insulation layer 7, wherein the induction coil 6 is sleeved outside the heat insulation sleeve 5, the heat insulation sleeve 5 is arranged between the outer cavity 1 and the inner cavity 2, the heat insulation layer 7 is wrapped outside the outer cavity 1, a liquid inlet 3 is arranged on the bottom surface of the outer cavity 1 between the outer cavity 1 and the heat insulation sleeve 5, a liquid outlet 4 is arranged on the top surfaces of the outer cavity 1 and the inner cavity 2, an upper liquid inlet channel is arranged on the peripheral surface of the top of the heat insulation sleeve 5 and communicated with the inner cavity 2, and a lower liquid inlet channel is arranged on the peripheral surface of the.
The liquid flows through the outside of the induction coil 6 from the liquid inlet 1, then enters the inner cavity 2 through a channel between the heat insulation sleeve 5 and the inner cavity 2, and flows out from the liquid outlet 4. After the induction coil 6 is electrified, eddy current is generated in the outer cavity 1 and the inner cavity 2 to generate heat, but the induction coil 6 is close to the inner cavity 2, so that the inner cavity 2 is a main heating body, at the moment, liquid enters the outer cavity 1 from the liquid inlet 3 and flows through the induction coil 6, the heat of the induction coil 6 is taken away, and enters a channel between the inner cavity 2 and the heat insulation sleeve 5, because the flowing direction of the liquid is opposite to the natural convection direction of the liquid when the inner cavity 2 heats the liquid, turbulence is generated, the liquid is fully heated, the heating efficiency of the liquid is improved, the heated liquid enters the inner cavity 2 and flows out from the liquid outlet 4 to finish the heating process, and the heat insulation layer 7 plays a role in isolating heat loss.
The foregoing is only a preferred embodiment of the present invention, and it should be noted that, for those skilled in the art, various modifications and decorations can be made without departing from the principle of the present invention, and these modifications and decorations should also be regarded as the protection scope of the present invention.
Claims (2)
1. The utility model provides an immersion coil is electromagnetic heating structure against current for liquid heating, which is characterized by, including outer cavity, interior cavity, the radiation shield, induction coil, adiabatic heat preservation, induction coil cover is outside the radiation shield, the radiation shield is arranged in between outer cavity and the interior cavity, the outer adiabatic heat preservation of wrapping up in outer cavity, outer cavity bottom surface is provided with the inlet between outer cavity and radiation shield, outer cavity and interior cavity top surface are provided with the liquid outlet, radiation shield top outer peripheral face is provided with last inlet channel and interior cavity UNICOM, interior cavity bottom outer peripheral face is provided with inlet channel and the cavity UNICOM of interior cavity UNICOM down.
2. An immersion coil countercurrent electromagnetic heating structure for liquid heating as claimed in claim 1, wherein said induction coil is externally wrapped with a magnetic field shielding layer.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010360276.6A CN111426064A (en) | 2020-04-30 | 2020-04-30 | Immersed coil countercurrent electromagnetic heating structure for heating liquid |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010360276.6A CN111426064A (en) | 2020-04-30 | 2020-04-30 | Immersed coil countercurrent electromagnetic heating structure for heating liquid |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN111426064A true CN111426064A (en) | 2020-07-17 |
Family
ID=71557136
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202010360276.6A Pending CN111426064A (en) | 2020-04-30 | 2020-04-30 | Immersed coil countercurrent electromagnetic heating structure for heating liquid |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN111426064A (en) |
-
2020
- 2020-04-30 CN CN202010360276.6A patent/CN111426064A/en active Pending
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination |