CN201426193Y - Electric heating apparatus for heating flowing fluid - Google Patents
Electric heating apparatus for heating flowing fluid Download PDFInfo
- Publication number
- CN201426193Y CN201426193Y CN2009201484514U CN200920148451U CN201426193Y CN 201426193 Y CN201426193 Y CN 201426193Y CN 2009201484514 U CN2009201484514 U CN 2009201484514U CN 200920148451 U CN200920148451 U CN 200920148451U CN 201426193 Y CN201426193 Y CN 201426193Y
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- induction coil
- high frequency
- heating
- calorifie installation
- electric
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Abstract
An electric heating apparatus for heating flowing fluid is equipped with a high-frequency induction coil connected with an output terminal (2) of a high-frequency power source (1), and is characterized in that a metal induction body (4) which is mutually electrically separated from the high-frequency induction coil is fixed inside a cavity encircled by the high-frequency induction coil (3). The electric heating apparatus is particularly suitable for being arranged in flowing fluid to heat the same, the flowing fluid media can constantly cool the metal induction body and the induction coil, andthen the electric heating apparatus can keep a constant heating state for a long time. The electric heating apparatus which is utilized to heat has the advantages of saving energy, protecting environments, high thermal efficiency, zero pollution, low energy consumption, fast heating speed and long service life.
Description
Technical field
The utility model belongs to a kind of heater, particularly a kind of heatronic device that streaming flow is heated.
Background technology
It is thermal source that the device of tradition generation hot blast, hot water or steam adopts coal, diesel oil, heavy oil even firewood etc. more, by the burning of above-mentioned fuel flowing liquid, gas is heated, and produces hot blast, hot water or steam etc.The direct burnings of fuel in common kiln such as coal, diesel oil, heavy oil, firewood, the heat efficiency is very low, and seriously polluted.In order to realize energy-conserving and environment-protective, have and adopt heating wire to make heating element, the power consumption of this class device is also bigger, usually the power of every heating wire is at 6-10KW, and gross power will reach 150KW and just can be applied to dry the hot-blast stove of usefulness or the steam oven of other purposes etc. sometimes, and the heat efficiency of heating wire has only about 48%, and damage easily, need frequent the replacing, be not suitable for the workplace of long-time continuous heating, also be not suitable for the big operational environment of heat exchange medium amount of flow.
Summary of the invention
The technical problems to be solved in the utility model is to overcome above-mentioned deficiency, and a kind of heat efficiency height is provided, and is pollution-free, energy consumption is low, long service life, can adapt to the electric calorifie installation of the heating streaming flow of long time continuous working.
The technical scheme of problem is in the solution: the utility model is provided with the radio-frequency induction coil that is connected with the high frequency electric source lead-out terminal, it is characterized in that: the cavity internal fixation that described radio-frequency induction coil surrounds has and the electric mutually metal inductor of isolating of radio-frequency induction coil.
Further, described metal inductor is made of some hollow or solid Metallic rod that are arranged side by side, leave each other the gap, and the longitudinal axis direction in the direction of Metallic rod and the radio-frequency induction coil is consistent.
Further scheme is again: each Metallic rod of forming the metal inductor is provided with outward extending fin.
Another scheme is: two high frequency lead-out terminals of high frequency electric source are connected with the conduction connecting rod of two mutual almost parallels respectively, described radio-frequency induction coil is combined by the induction coil parallel connection of some unit, each unit induction coil draws back certain distance along conduction connecting rod direction and vertically arranges, and its two ends are electrically connected with two conduction connecting rods respectively.
Operation principle of the present utility model is: when high-frequency current flows through radio-frequency induction coil, promptly can produce high-frequency alternating magnetic field in the coil, the metal inductor generates heat under the effect of alternating magnetic field.This moment can be with its heating source as streaming flow, if for example make air flow through this device, promptly produce hot blast, produce hot water or steam if place water just can heat in this device to water, and these fluids that flow can play cooling effect to the metal inductor and the induction coil of heating, make it can keep long continuous duty.
The utlity model has energy-conserving and environment-protective, heat efficiency height, pollution-free, energy consumption is low, firing rate is fast, the advantage of long service life, be particularly suitable for placing mobile fluid that it is heated, because the fluid media (medium) that flows can constantly play cooling effect to metal inductor and induction coil, institute is so that the operating state that this device can keep long-time continuous to heat.
Description of drawings
Fig. 1, the utility model embodiment 1 structural representation
Fig. 2, induction coil shown in Figure 13 structural representations
The A of Fig. 3, Fig. 2 is to structural representation
Fig. 4, metal inductor 4 structural representations shown in Figure 1
The cross section view of Fig. 6, Fig. 5 Metallic rod 41
The B of Fig. 8, Fig. 7 is to structural representation
The oven dry hot-blast stove structural representation of Fig. 9, employing the utility model embodiment electric calorifie installation
The Steam generating furnace structural representation of Figure 10, employing the utility model embodiment electric calorifie installation
1-high frequency electric source 2-lead-out terminal 21-conduction connecting rod 3-radio-frequency induction coil
31-unit induction coil 4-metal inductor 41-Metallic rod 42-fixed strip 5-hot-blast stove
51-air outlet 52-air inlet 6-air blast 7-steam oven 71-water inlet 72-venthole
Embodiment
This example is the electric heater unit that is used to dry hot-blast stove.
The QHGP-80 water-cooling type coreless induction furnace that high frequency electric source 1 adopts the South Sea, Foshan City firewood brightness machine-building Co., Ltd to produce.This coreless induction furnace comprises the high frequency transformer and the high frequency lead-out terminal that is connected with transformer of controller, band water-cooling apparatus, imports 380 volts of power supplys, and working power 80 is pacified, and can produce the high-frequency current of 1400HZ.
This example has been done a bit to improve to above-mentioned commercially available coreless induction furnace: high frequency transformer is connected lead overcoat Packed cooling collar in two high frequency lead-out terminals 2 and coreless induction furnace, the cooling sap cavity of high frequency transformer is communicated with in this cooling collar inner chamber and the body of heater, thereby the cooling water of high frequency transformer be may extend into this section lead is also played cooling effect.
Referring to Fig. 2-3, two high frequency lead-out terminals 2 of coreless induction furnace connect with two mutually parallel conduction connecting rods 21 respectively, described radio-frequency induction coil 3 is combined by some unit induction coil 31, each unit induction coil is provided with a few induction coils, parallel with the two respectively conduction connecting rod 21 in its two ends is electrically connected, the unit induction coil is connected across between the two conduction connecting rods, formation radio-frequency induction coil 3 in parallel, be communicated with by some unit induction coil inner chamber straight line cavity in, be fixed with and metal inductor 4 that the induction coil electricity is isolated.
Usually each unit induction coil 31 can be provided with 3-5 circle induction coil respectively, and what of the high-frequency induction number of turns will be complementary with the transformer coil number in the employing coreless induction furnace.
Referring to Fig. 4-6, by some unit induction coil 31 inner chamber straight lines be communicated with cavity cross section be pancake, the metal inductor 4 that is fixed in this cavity is made of some hollow metallic rod 41 that are arranged side by side, leave each other the gap, longitudinal axis direction in the direction of Metallic rod and the induction coil is consistent, be provided with the refractory ceramics insulating material between metal inductor 4 and the radio-frequency induction coil 3, each Metallic rod 41 two ends respectively with fixed strip 42 relative fixed that are positioned at the vertical two ends of radio-frequency induction coil.
The intensive metal fin 41a that is furnished with on each Metallic rod 41 body of rod of formation metal inductor, to enlarge heat exchange area, described metal fin is to be enclosed within on the metallic rod body by some annular fin to constitute, and leaves certain interval between fin and the fin.
Referring to Fig. 7-8, as different from Example 1: each unit induction coil 31 of this example composition radio-frequency induction coil 3 is the U molded lines circle body of individual pen, the equidistant space out of U molded lines circle body is arranged along the direction of conduction connecting rod 21, each U molded lines circle body 31 two ends is electrically connected with two conduction connecting rods 21 respectively, be connected across between the two conduction connecting rods, U molded lines circle body 31 is U type hollow pipe (owing to do not need self cooling, also can be solid).
The utility model electric heater unit can be used as the heating source of oven dry with hot-blast stove, adopt the hot-blast stove 5 of this electric calorifie installation referring to Fig. 9, hot-blast stove 5 air inlets 52 1 ends are provided with air blast 6, the another port is an air outlet 51, the radio-frequency induction coil 3 that inner chamber is fixed with metal inductor 4 is contained in the body of heater, and the radio-frequency induction coil coreless induction furnace lead-out terminal 2 outer with being arranged on body of heater is electrically connected.
During work, the 1400HZ high-frequency current that coreless induction furnace provides is input to the radio-frequency induction coil 3 in the hot blast body of heater, make it produce alternating magnetic field, metal inductor 4 is cut by alternating magnetic field and generates heat, simultaneously, radio-frequency induction coil also generates heat, and the heat that their produce is blown air outlet 51 toward body of heater by air blast 6, utilizes auxiliary ajutage hot blast can be delivered on the product that needs oven dry.Because the intensive metal fin 41a that is furnished with on the Metallic rod 41, fin can increase the contact area with air greatly, thereby the rate of heat exchange of metal inductor 4 is improved greatly, has improved the utilance of electric heating.
The hot-blast stove of above-mentioned employing the utility model electric heater unit has following advantage:
1, the heat efficiency height of high-frequency induction heating can reach 68-76%, and electric power can be reduced to less than 75KW, and energy-saving effect is obvious.
2, the induction electrothermal calefactive rate of metal tube and fin thereof is fast, and the rate of heat exchange height can produce the hot blast of sufficient temp in the short period of time.
3, metal inductor heating tolerance is strong, but long time continuous working is not subject to the interference and the influence of air blast high wind.
4, can realize zero pollution, zero discharge, environment protecting is good.
Referring to Figure 10, the utility model electric heater unit also can be used for steam oven 7, and steam oven is provided with water inlet 71, is input to can produce steam after the interior cold water of furnace chamber is heated by the utility model electric calorifie installation, from venthole 72 outputs.
The above, it only is preferred embodiment of the present utility model, be not that the utility model is done any pro forma restriction, the shape of the utility model induction coil, arrangement mode, the material of induction metallic object, arrangement mode etc. all can be done multiple variation in response to concrete application.Every foundation technical spirit of the present utility model all still belongs to the protection range of technical solutions of the utility model to any simple modification, equivalent variations and modification that above embodiment did.
Claims (8)
1, a kind of electric calorifie installation that heats streaming flow, be provided with the radio-frequency induction coil (3) that is connected with high frequency electric source (1) lead-out terminal (2), it is characterized in that: the cavity internal fixation that described radio-frequency induction coil (3) surrounds has and the electric mutually metal inductor (4) of isolating of radio-frequency induction coil.
2, the electric calorifie installation of heating streaming flow according to claim 1, it is characterized in that: described metal inductor (4) is made of some hollow or solid Metallic rod (41) that are arranged side by side, leave each other the gap, and the interior longitudinal axis direction of the direction of Metallic rod and radio-frequency induction coil is consistent.
3, the electric calorifie installation of heating streaming flow according to claim 2 is characterized in that: each Metallic rod (41) of forming the metal inductor is provided with outward extending fin (41a).
4, the electric calorifie installation of heating streaming flow according to claim 1, it is characterized in that: two high frequency lead-out terminals (2) of high frequency electric source are connected with the conduction connecting rod (21) of two mutual almost parallels respectively, described radio-frequency induction coil (3) is combined by some unit induction coils (31) parallel connection, each unit induction coil (31) draws back certain distance along conduction connecting rod direction and vertically arranges, its two ends are electrically connected with two conduction connecting rods respectively, be communicated with by some unit induction coil inner chamber straight line cavity in, be fixed with and metal inductor (4) that the induction coil electricity is isolated.
5, the electric calorifie installation of heating streaming flow according to claim 4 is characterized in that: described each unit induction coil (31) is respectively equipped with the 3-5 turn coil.
6, the electric calorifie installation of heating streaming flow according to claim 4 is characterized in that: described each unit induction coil (31) is the U molded lines circle body of individual pen.
7, according to the electric calorifie installation of the described heating streaming flow of the arbitrary claim of claim 1-6, it is characterized in that: the cavity cross section that described radio-frequency induction coil (3) surrounds is pancake.
8, according to the electric calorifie installation of the described heating streaming flow of the arbitrary claim of claim 1-6, it is characterized in that: described high frequency electric source is the coreless induction furnace that comprises control circuit, high frequency transformer and high frequency lead-out terminal (2), in two high frequency lead-out terminals (2) and coreless induction furnace high frequency transformer be connected the Packed cooling collar of lead overcoat, this cooling collar inner chamber is communicated with the cooling sap cavity of high frequency transformer in the body of heater.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2009201484514U CN201426193Y (en) | 2009-04-08 | 2009-04-08 | Electric heating apparatus for heating flowing fluid |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2009201484514U CN201426193Y (en) | 2009-04-08 | 2009-04-08 | Electric heating apparatus for heating flowing fluid |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN201426193Y true CN201426193Y (en) | 2010-03-17 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2009201484514U Expired - Lifetime CN201426193Y (en) | 2009-04-08 | 2009-04-08 | Electric heating apparatus for heating flowing fluid |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN201426193Y (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101886843B (en) * | 2009-05-13 | 2012-11-14 | 梁信辉 | Method and device for heating flowing fluid as well as heating equipment applying same |
| CN111083820A (en) * | 2020-01-22 | 2020-04-28 | 齐齐哈尔大学 | Open-close type induction heater |
-
2009
- 2009-04-08 CN CN2009201484514U patent/CN201426193Y/en not_active Expired - Lifetime
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101886843B (en) * | 2009-05-13 | 2012-11-14 | 梁信辉 | Method and device for heating flowing fluid as well as heating equipment applying same |
| CN111083820A (en) * | 2020-01-22 | 2020-04-28 | 齐齐哈尔大学 | Open-close type induction heater |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| AV01 | Patent right actively abandoned |
Granted publication date: 20100317 Effective date of abandoning: 20090408 |
|
| RGAV | Abandon patent right to avoid regrant |