CN109640429A - Triangle-triangular form three-phase induction thermal reactor - Google Patents
Triangle-triangular form three-phase induction thermal reactor Download PDFInfo
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- CN109640429A CN109640429A CN201811607052.XA CN201811607052A CN109640429A CN 109640429 A CN109640429 A CN 109640429A CN 201811607052 A CN201811607052 A CN 201811607052A CN 109640429 A CN109640429 A CN 109640429A
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- 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
- H05B6/10—Induction heating apparatus, other than furnaces, for specific applications
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- 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
- H05B6/36—Coil arrangements
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- 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
- H05B6/36—Coil arrangements
- H05B6/365—Coil arrangements using supplementary conductive or ferromagnetic pieces
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- Electromagnetism (AREA)
- Physical Or Chemical Processes And Apparatus (AREA)
- General Induction Heating (AREA)
Abstract
The invention discloses triangle-triangular form three-phase induction thermal reactors, belong to chemical industry, food and field of environmental technology.It include: three column magnetic circuits, magnet exciting coil, magnetic coupling pipe, heating tube；Magnet exciting coil is wound on three column magnetic circuits being made of permeability magnetic material；Three magnetic coupling Guan Weiyi groups, every group of magnetic coupling pipe are wound in every iron core column of three column magnetic circuits respectively；Three heating tubes are one group；One group of magnetic coupling Guan Yuyi group heating tube is connected；The middle position of magnetic coupling pipe or heating tube is arranged in injection port and outlet.Every group of magnetic coupling pipe and every group of heating tube are all in three-phase triangle junction, and the connection of magnetic coupling pipe group and heating tube group is in triangle-triangular structure of three-phase circuit.There are three injection port and three outlets for the triangle-triangular form three-phase induction thermal reactor tool, it can be achieved that sample introduction and online collection while three kinds of different samples while liquid sample is quickly heated in realization, and it is pollution-free to liquid sample.
Description
Technical field
The present invention relates to a kind of triangle-triangular form three-phase induction thermal reactors, belong to chemical industry, food and Environmental Technology
Field.
Background technique
Liquid is being carried out to add in thermally-sterilized research process, technical staff once attempted for food liquid coil to be placed in
In alternating magnetic field, to realize magnetic thermal sterilization；But under normal conditions, food liquid, bio-chemical solution, plant leaching liquor immersion, organic
The magnetic conductivity of the liquid samples such as waste liquid is extremely low, close to zero；Thus alternating magnetic field can not directly act on above-mentioned low magnetic permeability liquid
Aspect product.
And in the technical fields such as chemical industry, food and environment, all kinds of chemical reactions, sterilization processing, extraction and hydrolysis all need
Will into material input energy, therefore, technical staff never stops the research of heat treatment technics, is all desirable to for liquid
Sample realizes efficient heating and completes quickly heat transfer and mass transport process inside it.Radio frequency heating, microwave heating, ohm
The new physical field assisted Firing Technologies such as heating can quickly be heated for above-mentioned liquid sample；Traditional sense
Answering heating technique also by alternating magnetic field is used as the iron-based class material of driving source, high magnetic permeability is media implementation to above-mentioned liquid
The heat treatment of aspect product.
In the above-mentioned technology that can be quickly heated for liquid sample, Ohmic heating be also known as Joule heating or
Resistance heating, it is directly contacted usually using the pole plate of metal with sample, inspires foot in electrical conductance sample interior using electric field
Big current density is reached to induce its quick heat.But Ohmic heating processing can cause electrochemical reaction between undesirable pole plate,
Lead to pole plate corrosion or fouling, processing efficiency reduction, heavy metal leakage and sample pollution occur.Especially acid and
Under alkaline environment and high current density, the above problem can be presented immediately, therefore significantly limit the application range of Ohmic heating.
And radio frequency heating and microwave heating belong to dielectric heating technology, they are different come antithesis polar moment using the electromagnetic wave of different frequency
Molecule motivated so as to cause fever.Radio frequency heating also uses metal polar plate, but sample is direct without occurring therewith
Physical contact, so the problem of bringing without Ohmic heating occurs, but the specific frequency electromagnetic wave that pole plate emits in radio frequency heating
Act only on physical size and the comparable macromolecular substances of the electromagnetic wavelength, thus sample temperature rise rate not as good as ohm electric field at
Reason.
To be provided simultaneously with advantage possessed by above-mentioned Ohmic heating and radiothermics, it is necessary to study a kind of novel
Heating technique.
Summary of the invention
Aiming at the problem that in the presence of current liquid sample quickly heats, the present invention provides a kind of using three-phase three-column
Alternating flux in magnetic circuit motivates continuous flow low magnetic permeability material or reaction medium based on three-phase circuit structure, allows object
The induction thermal reactor of material or the directly quick heat of reaction medium itself, there are three injection port and three for the induction heat reaction utensil
Outlet, realization while quickly heated to liquid sample, it can be achieved that while three kinds of difference samples sample introduction and
It is online to collect and pollution-free to liquid sample, especially in field of food, have not available for other heat treatment techniques
Advantage, and can be widely applied for thermal sterilization, hot enzyme deactivation and catalyze and synthesize thermal extraction.
The first purpose of this invention is to provide a kind of triangle-triangular form three-phase induction thermal reactor, comprising: three
Column magnetic circuit, magnet exciting coil, magnetic coupling pipe, heating tube；
Wherein, magnet exciting coil is wound on three column magnetic circuits being made of permeability magnetic material；The permeability magnetic material includes: iron-based non-
The Ni-based amorphous of crystalline substance, cold rolled silicon steel, iron, cobalt base amorphous, iron based nano crystal, perm synthetic, ferrite；Three magnetic coupling Guan Weiyi
Group, every group of magnetic coupling pipe are wound in every iron core column of three column magnetic circuits respectively；Three heating tubes are one group；Three magnetic coupling pipes and
Three-phase triangle junction is all presented in three heating tubes；One group of magnetic coupling Guan Yuyi group heating tube is connected；Triangle-the triangle
Form three-phase induction thermal reactor includes at least one set of magnetic coupling pipe, at least one set of heating tube；
The triangle-triangular form three-phase induction thermal reactor includes three injection ports and three outlets, Mei Gejin
Sample mouth and outlet are set to the middle position of each magnetic coupling pipe or each heating tube, guarantee the continuous flow material of each branch
Or reaction medium is equal in the residence time of heating tube.
In one embodiment, triangle-triangle of three-phase circuit is presented in the connection of magnetic coupling pipe group and heating tube group
Shape structure, three injection ports are located at the middle position of three magnetic coupling pipes, and three outlets are located at three heating
The middle position of pipe.
In one embodiment, when the triangle-triangular form three-phase induction thermal reactor includes multiple groups magnetic coupling
When pipe and heating tube, multiple groups magnetic coupling pipe and heating tube are attached by concatenated mode.
In one embodiment, in the triangle-triangular form three-phase induction thermal reactor, the magnetic conduction of three column magnetic circuits
The total magnetic flux Φ of material is equal in three column magnetic circuits there is each iron core column in the magnetic flux density B and three column magnetic circuits of each iron core column
Imitate the product of magnetic conductive area S, i.e. Φ=BS.
In one embodiment, the material in heating tube or reaction medium impedance Z can be used impedance analyzer and surveyed
Examination, to calculate its induced current density J, i.e. I=U/Z, J=I/S according to Ohm's law, wherein U-heating tube both ends sense
Answer voltage i.e. effective electromotive force poor；Induction current intensity in I-heating tube；S-heating tube sectional area.
In one embodiment, after power supply applies voltage to magnet exciting coil, each iron core column carrying in three column magnetic circuits
Total magnetic flux range is 0-7Wb, and the initial permeability of three column magnetic circuit materials is 1000-60000.
In one embodiment, heating tube and magnetic coupling pipe are the supporter of reaction medium flow and have electrical isolation
Property.
In one embodiment, heating bore is less than magnetic coupling bore.
In one embodiment, the ratio between sectional area of heating tube sectional area and magnetic coupling pipe is 1:3~1:45.
In one embodiment, three-phase triangle junction, magnetic coupling is all presented in every group of magnetic coupling pipe and every group of heating tube
Triangle-triangular structure of three-phase circuit, the at this time instantaneous induction at heating tube both ends is presented in the connection of pipe group and heating tube group
Polarity of voltage is on the contrary, the induced current density in heating tube is 1-65A/cm2, to cause material or reaction medium therein rapid
Heat.
In one embodiment, the conductivity of material or reaction medium need to be in 0.1-40S/m range.
In one embodiment, induced current circuit exists only between magnetic coupling pipe and heating tube, injection port and go out
Sample mouth is without electric leakage, safety.
Second object of the present invention is to provide a kind of heating device, and the heating device uses above-mentioned triangle-three
Angular formula three-phase induction thermal reactor, the heating device heat substance of the conductivity within the scope of 0.1-40S/m.
In one embodiment, the substance is flowable mass.
Third object of the present invention be to provide a kind of above-mentioned triangle-triangular form three-phase induction thermal reactor and/
Or application of the above-mentioned heating device in chemical industry, food and environmental area.
Beneficial effect of the present invention
Triangle provided by the invention-triangular form three-phase induction thermal reactor is set based on the moving law of electric system
Meter, using the iron circuit of three-phase three-column as alternating magnetic field access.Wherein, three magnetic coupling pipes and three heating tubes are all presented
For the triangle junction of three-phase circuit.So that the electrical conductance material or reaction medium in heating tube can produce higher effective electricity
Potential difference, the effective electromotive force difference derive from the line voltage of three-phase circuit, and value is normal phase voltageTimes, and then lead to feed liquid
Or the temperature rise of reaction medium is more efficient.There are three injection port and three for triangular form three-phase induction thermal reactor tool for the triangle-
A outlet, realization while quickly heated to liquid sample, it can be achieved that while three kinds of difference samples sample introduction with
And online collection, and it is pollution-free to liquid sample.
Detailed description of the invention
To describe the technical solutions in the embodiments of the present invention more clearly, make required in being described below to embodiment
Attached drawing is briefly described, it should be apparent that, drawings in the following description are only some embodiments of the invention, for
For those of ordinary skill in the art, without creative efforts, it can also be obtained according to these attached drawings other
Attached drawing.
Fig. 1 is the schematic diagram that triangle-triangular form incudes thermal reactor I；
Fig. 2 is triangle-triangle type of attachment schematic diagram of three-phase circuit structure；
Wherein, triangle-triangular form three-phase induction thermal reactor I；Tri- column magnetic circuit of 101-；102- magnet exciting coil；103-
Magnetic coupling pipe group (triangle junction)；104- heating tube group (triangle junction)；201- injection port；202- outlet.
Specific embodiment
In view of deficiency in the prior art, present inventor is studied for a long period of time and is largely practiced, and is able to propose the present invention
Technical solution.The technical solution, its implementation process and principle etc. will be further explained as follows.
Embodiment 1
Triangle-triangular form three-phase induction thermal reactor I, as shown in Figure 1, including three column magnetic circuits 101, magnet exciting coil
102, magnetic coupling pipe group 103, heating tube group 104；Magnetic coupling pipe group 103 includes three magnetic coupling pipes and three magnetic coupling Guan Chengsan
Angular connection, heating tube group 104 include three heating tubes and the also connection triangular in shape of three heating tubes；
Wherein, magnet exciting coil 102 is wound in each iron core column for three column magnetic circuits 101 being made of permeability magnetic material, described
Permeability magnetic material includes: Fe-based amorphous, cold rolled silicon steel, the Ni-based amorphous of iron, cobalt base amorphous, iron based nano crystal, perm synthetic, iron oxygen
Body；The number of turns of magnet exciting coil 102 in each iron core column is 6 circles, applies 500V's to magnet exciting coil 102 using three phase mains
Equal threshold voltage, then the magnetic flux of each iron core column is 0.06Wb in three column magnetic circuits 101, and three column magnetic circuits 101 leads in the present embodiment
Magnetic material uses cold rolled silicon steel, initial relative permeability 1000, and magnetic flux density when work is 1.2T, in three column magnetic circuits 101
Effective magnetic conduction sectional area of each iron core column is 0.05m2；The magnetic coupling pipe of three triangle junctions constitutes magnetic coupling pipe group
It 103 and is wound in each iron core column of three column magnetic circuits 101, the number of turns of each magnetic coupling pipe is 36 circles；
Three heating tubes also constitute the heating tube group 104 based on triangle junction, magnetic coupling pipe group 103 and heating tube
Supporter of the group 104 as the reaction medium continuously flowed, further, magnetic coupling pipe group 103 is based on the presentation of heating tube group 104
The triangle of three-phase circuit structure-triangle type of attachment, is shown in Fig. 2；The sectional area of each heating tube is 0.36cm2, each magnetic
The sectional area for coupling pipe is 1cm2, when reaction medium that conductivity is 2.35S/m (25 DEG C, 0.2%HCl and 0.3%Na2CO3) pump
Give and circulate heating tube group 104 when, the effective electromotive force difference at each heating tube both ends is 5142V, each heating of heating tube group 104
Length of tube is 20cm；
When reaction medium is full of each heating tube, then impedance is 2000 Ω, induced current 2.57A, induced current density
For 7.14A/cm2；The injection port 201 of reaction medium is located at the middle position of each magnetic coupling pipe, and outlet 202 is then located at every
The middle position of a heating tube.
When the sample introduction flow of each injection port 201 is 1ml/min, each branch reaction medium flows through each heating tube
Retention time is 3.6min, is tested by thermal infrared imager, and the reaction medium that 25 DEG C of room temperature is continuing through three-phase induction heat
After reactor I, the reaction medium temperature of outflow rises to 79.1 DEG C.
Embodiment 2
Triangle-triangular form three-phase induction thermal reactor I, as shown in Figure 1, including three column magnetic circuits 101, magnet exciting coil
102, magnetic coupling pipe group 103, heating tube group 104；Magnetic coupling pipe group 103 includes three magnetic coupling pipes and three magnetic coupling Guan Chengsan
Angular connection, heating tube group 104 include three heating tubes and the also connection triangular in shape of three heating tubes；
Wherein, magnet exciting coil 102 is wound in each iron core column for three column magnetic circuits 101 being made of permeability magnetic material, described
Permeability magnetic material includes: Fe-based amorphous, cold rolled silicon steel, the Ni-based amorphous of iron, cobalt base amorphous, iron based nano crystal, perm synthetic, iron oxygen
Body；The number of turns of magnet exciting coil 102 in each iron core column is 12 circles, applies 2000V to magnet exciting coil 102 using three phase mains
Equal threshold voltage, then the magnetic flux of each iron core column is 0.12Wb in three column magnetic circuits 101, three column magnetic circuits 101 in the present embodiment
Permeability magnetic material is cobalt base amorphous, initial relative permeability 35000, and magnetic flux density when work is 0.8T, in three column magnetic circuits 101
Effective magnetic conduction sectional area of each iron core column is 0.15m2；
The magnetic coupling pipe of three star connections constitutes magnetic coupling pipe group 103 and is wound in each iron core of three column magnetic circuits 101
On column, the number of turns of each magnetic coupling pipe is 48 circles；Three heating tubes constitute a heating tube group 104 based on triangle junction,
The supporter of magnetic coupling pipe group 103 and heating tube group 104 as the reaction medium continuously flowed；
Further, triangle-triangle based on three-phase circuit structure is presented in magnetic coupling pipe group 103 and heating tube group 104
Type of attachment is shown in Fig. 2；The sectional area of each heating tube is 0.16cm2, the sectional area of each magnetic coupling pipe is 2.3cm2, work as conductance
The reaction medium (25 DEG C, 0.6%NaOH and 0.2%KCl) that rate is 3.47S/m pump and circulate heating tube group 104 when, Mei Gejia
The effective electromotive force difference at heat pipe both ends is 13736V, and each heating tube length of heating tube 104 is 10cm, when reaction medium is full of every
Then impedance is 1600 Ω, induced current 8.58A, induced current density 53.65A/cm when a heating tube2；Reaction medium
Injection port 201 is located at the middle position of each magnetic coupling pipe, and outlet 202 is then located at the middle position of each heating tube.
When the sample introduction flow of each injection port 201 is 0.8ml/min, each branch reaction medium flows through each heating tube
Retention time be 1min, tested by thermal infrared imager, the reaction medium that 25 DEG C of room temperature continuing through three-phase induction heat
After reactor I, the reaction medium temperature of outflow rises to 93.2 DEG C.
Triangle provided by the invention-triangular form three-phase induction thermal reactor is set based on the moving law of electric system
Meter, using the iron circuit of three-phase three-column as alternating magnetic field access.Wherein, three magnetic coupling pipes and three heating tubes are all presented
For the triangle junction of three-phase circuit.So that the electrical conductance material or reaction medium in heating tube can produce higher effective electricity
Potential difference, the effective electromotive force difference derive from the line voltage of three-phase circuit, and value is normal phase voltageTimes, and then lead to feed liquid
Or the temperature rise of reaction medium is more efficient.There are three injection port and three for triangular form three-phase induction thermal reactor tool for the triangle-
A outlet, realization while quickly heated to liquid sample, it can be achieved that while three kinds of difference samples sample introduction with
And online collection, and it is pollution-free to liquid sample.
Although the present invention is described in detail referring to the foregoing embodiments, for those skilled in the art,
It is still possible to modify the technical solutions described in the foregoing embodiments, or part of technical characteristic is carried out etc.
With replacement, all within the spirits and principles of the present invention, any modification, equivalent replacement, improvement and so on should be included in this
Within the protection scope of invention.Although the present invention has been described by way of example and in terms of the preferred embodiments, it is not intended to limit the invention, and is appointed
What person skilled in the art can do various change and modification, therefore this hair without departing from the spirit and scope of the present invention
Bright protection scope should subject to the definition of the claims.
Claims (10)
1. triangle-triangular form three-phase induction thermal reactor characterized by comprising three column magnetic circuits, magnet exciting coil, magnetic coupling
Close pipe, heating tube；
Wherein, magnet exciting coil is wound on three column magnetic circuits being made of permeability magnetic material；The permeability magnetic material include: it is Fe-based amorphous,
The Ni-based amorphous of cold rolled silicon steel, iron, cobalt base amorphous, iron based nano crystal, perm synthetic, ferrite；Three magnetic coupling Guan Weiyi groups, often
Group magnetic coupling pipe is wound in every iron core column of three column magnetic circuits respectively；Three heating tubes are one group；Three magnetic coupling pipes and three
Three-phase triangle junction is all presented in heating tube；One group of magnetic coupling Guan Yuyi group heating tube is connected；Triangle-the triangular form
Three-phase induction thermal reactor includes at least one set of magnetic coupling pipe, at least one set of heating tube；
The triangle-triangular form three-phase induction thermal reactor includes three injection ports and three outlets, each injection port
The middle position of each magnetic coupling pipe or each heating tube is set to outlet.
2. triangle according to claim 1-triangular form three-phase induction thermal reactor, which is characterized in that magnetic coupling pipe
Triangle-triangular structure of three-phase circuit is presented in the connection of group and heating tube group, and three injection ports are located at three magnetic couplings
The middle position of pipe is closed, three outlets are located at the middle position of three heating tubes.
3. triangle according to claim 1-triangular form three-phase induction thermal reactor, which is characterized in that when described three
When angular-triangular form three-phase induction thermal reactor includes multiple groups magnetic coupling pipe and heating tube, multiple groups magnetic coupling pipe and heating tube
It is attached by concatenated mode.
4. triangle according to claim 1-triangular form three-phase induction thermal reactor, which is characterized in that heating tube and
Magnetic coupling pipe is round tube, and the ratio between sectional area of heating tube sectional area and magnetic coupling pipe is 1:3~1:45.
5. triangle according to claim 1-triangular form three-phase induction thermal reactor, which is characterized in that power supply is to encouraging
After magnetic coil applies three-phase voltage, the total magnetic flux range of each iron core column carrying is 0-7Wb, three column magnetic circuit materials in three column magnetic circuits
The initial permeability of material is 1000-60000.
6. triangle according to claim 1-triangular form three-phase induction thermal reactor, which is characterized in that in heating tube
Induced current density be 1-65A/cm2。
7. triangle according to claim 1-triangular form three-phase induction thermal reactor, which is characterized in that induced current
Circuit exists only between magnetic coupling pipe and heating tube, and injection port and outlet are without electric leakage, for open continuous stream process.
8. a kind of heating device, which is characterized in that the heating device uses triangle-three as claimed in claim 1 to 7
Angular formula three-phase induction thermal reactor, the heating device heat substance of the conductivity within the scope of 0.1-40S/m.
9. heating device according to claim 8, which is characterized in that the substance is flowable mass.
10. triangle as claimed in claim 1 to 7-triangular form three-phase induction thermal reactor and/or claim 8-9 appoint
Application of the heating device described in one in chemical industry, food and environmental area.
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| Application Number | Priority Date | Filing Date | Title |
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| CN201811607052.XA CN109640429B (en) | 2018-12-27 | 2018-12-27 | Triangle-triangle form three-phase induction thermal reactor |
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| Application Number | Priority Date | Filing Date | Title |
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| CN201811607052.XA CN109640429B (en) | 2018-12-27 | 2018-12-27 | Triangle-triangle form three-phase induction thermal reactor |
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| CN109640429A true CN109640429A (en) | 2019-04-16 |
| CN109640429B CN109640429B (en) | 2021-01-29 |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112189778A (en) * | 2020-09-30 | 2021-01-08 | 江南大学 | Three-phase continuous flow induction heat green sterilization system and method |
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| CN109640429B (en) | 2021-01-29 |
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