CN109618439A - Star-star formula three-phase induction thermal reactor - Google Patents
Star-star formula three-phase induction thermal reactor Download PDFInfo
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- CN109618439A CN109618439A CN201811607070.8A CN201811607070A CN109618439A CN 109618439 A CN109618439 A CN 109618439A CN 201811607070 A CN201811607070 A CN 201811607070A CN 109618439 A CN109618439 A CN 109618439A
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- star
- reaction chamber
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- phase induction
- magnetic coupling
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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
-
- 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
-
- 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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- Electromagnetism (AREA)
- Physical Or Chemical Processes And Apparatus (AREA)
- Apparatus Associated With Microorganisms And Enzymes (AREA)
Abstract
The invention discloses star-star formula 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, reaction chamber.Wherein injection port and outlet are set to the connection river conjunction of magnetic coupling pipe group or reaction chamber group.Every group of magnetic coupling pipe and reaction chamber are in three-phase star connection, and the connection of magnetic coupling pipe group and reaction chamber group is in star-star structure；So that the electrical conductance material or reaction medium in reaction chamber can produce, higher effective electromotive force is poor, which derives from the line voltage of three-phase circuit, and value is normal phase voltageTimes, and then cause the temperature rise of feed liquid or reaction medium more efficient, realize no external heat source or radiation, under the action of external electrode, high-efficiency heating is carried out to sample, and the star-star formula three-phase induction thermal reactor has single injection port and outlet, reaction chamber liquid holdup is big, under identical sample introduction flow, treating capacity with higher.
Description
Technical field
The present invention relates to a kind of star-star formula three-phase induction thermal reactors, belong to chemical industry, food and Environmental Technology neck
Domain.
Background technique
Magnetic conductivity is the physical quantity for characterizing magnetic medium magnetism；It indicates to flow through electricity in space or the coil in core material
After stream, the resistance or its ability that the magnetic line of force is connected in magnetic field of magnetic flux are generated.And the substance with magnetic conductivity is placed in alternation
Response can be generated to alternating magnetic field when in magnetic field, induced current occur, and then fuel factor occur, referred to as eddy current effect.
According to above-mentioned principle it is found that realizing that the premise i.e. substance heated to substance has magnetic conductance using eddy current effect
Rate；And the substance for magnetic conductivity close to zero, such as liquid sample, it can not be directly electrically heated at present using eddy current effect
Processing needs to heat mode, such as the mode of Ohmic heating using other electric fields at this time.
And in chemical industry, food and environmental area, liquid to be treated also has certain acid and alkali corrosion, if logical
Above-mentioned Ohmic heating processing is crossed, i.e., is generated heat using metal polar plate, will cause the rnetal contamination problem of sample.
Summary of the invention
In order to be heated to the liquid with low magnetic permeability (magnetic conductivity close to zero) being realized using eddy current effect
The problem of liquid is polluted by pole plate electrochemical corrosion is avoided the occurrence of simultaneously, the present invention provides a kind of simple star of flow passage structure
Shape-star formula three-phase induction thermal reactor, using the alternating flux in three-phase three-column magnetic circuit to the company based on three-phase circuit structure
Afterflow low magnetic permeability material or reaction medium are motivated, and allow its quick heat；The star-star formula three-phase induction thermal reactor
With single injection port and outlet, reaction chamber liquid holdup is big, under identical sample introduction flow, processing with higher
Amount.
The first purpose of this invention is to provide star-star formula three-phase induction thermal reactor, comprising: three column magnetic circuits,
Magnet exciting coil, magnetic coupling pipe, reaction chamber；
Wherein, injection port and outlet are set to the connection river conjunction of magnetic coupling pipe group or reaction chamber group, guarantee each
The continuous flow material or reaction medium on road are equal in the residence time of reaction chamber；
Three column magnetic circuits are made of permeability magnetic material, and magnet exciting coil is wound on three column magnetic circuits；
Three magnetic coupling Guan Weiyi groups, are in star connection, and every group of magnetic coupling pipe is wound in three iron of three column magnetic circuits respectively
On stem；
Three reaction chambers are one group, are in star connection；
The star-star formula three-phase induction thermal reactor includes at least one set of magnetic coupling pipe, at least one set of reaction chamber；
The connection of magnetic coupling Guan Zuyu reaction chamber group.
In one embodiment, after power supply applies three-phase voltage to magnet exciting coil, each iron core column is held in three column magnetic circuits
The total magnetic flux range of load is 0-10Wb, and the initial permeability of three column magnetic circuit materials is 800-90000.
In one embodiment, reaction chamber and magnetic coupling pipe are the supporter of reaction medium flow and have electrical isolation
Property, reaction chamber internal diameter is less than magnetic coupling bore.
In one embodiment, the ratio between sectional area of reaction chamber sectional area and magnetic coupling pipe is 1:1.3~1:50.
In one embodiment, injection port is located at the connection river conjunction of magnetic coupling pipe group；Outlet is located at reaction chamber
The connection river conjunction of group, the instantaneous induced voltage polarity at each reaction chamber both ends is on the contrary, alternation magnetic in three column magnetic circuits at this time
Field can cause low magnetic permeability conductibility material in magnetic coupling pipe or reaction medium produces effective potential difference, in reaction chamber
Material or reaction medium induced current density be 1-120A/cm2, to lead to the rapid heat of sample.
In one embodiment, the conductivity of material or reaction medium is in 0.1-40S/m range.
In one embodiment, induced current circuit exists only between magnetic coupling pipe and reaction chamber, injection port and
Outlet 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 star-star
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 above-mentioned star-star formula three-phase induction thermal reactor and/or it is above-mentioned plus
Application of the thermal in chemical industry, food and environmental area.
Star provided by the invention-star formula three-phase induction thermal reactor, core parameter are the magnetic conduction material of three column magnetic circuits
Material initial permeability and the total magnetic flux Φ, total magnetic flux Φ therein that can be carried are equal to the magnetic of each iron core column in three column magnetic circuits
The product of effective magnetic conductive area S of each iron core column, i.e. Φ=BS in flux density B and three column magnetic circuits.Magnet exciting coil and magnetic coupling pipe
Between voltage ratio follow faraday electromagnetic induction principle.Meanwhile material in reaction chamber or reaction medium impedance Z can be used
Impedance analyzer is tested, to calculate its induced current density J, i.e. I=U/Z, J=I/S according to Ohm's law, wherein
U-reaction chamber both ends induced voltage, that is, effective electromotive force is poor；Induction current intensity in I-reaction chamber；S-reaction chamber
Sectional area.The star-star formula three-phase induction thermal reactor can carry out modular series connection, to improve to continuous flow material or
The processing efficiency of reaction medium.
Beneficial effect of the present invention
Star provided by the invention-star formula three-phase induction thermal reactor is designed based on the moving law of electric system, is adopted
Use the iron circuit of three-phase three-column as alternating magnetic field access.Wherein, three magnetic coupling pipes and three reaction chambers respectively between
Be rendered as the star connection of three-phase circuit so that the electrical conductance material or reaction medium in reaction chamber can produce it is higher
Effective electromotive force is poor, which derives from the line voltage of three-phase circuit, and value is normal phase voltageTimes, and then lead
Cause the temperature rise of feed liquid or reaction medium more efficient.Therefore, sample is handled using three-phase induction thermal reactor of the present invention
It can avoid the bad problem occurred in tradition Ohmic heating, while without any external heat source or radiation, the effect of no external electrode
Under, high-efficiency heating is carried out to electrical conductance material or reaction medium.Further, the star-star formula three-phase induction thermal reactor
With single injection port and outlet, flow passage structure is simple, and reaction chamber liquid holdup is big, under identical sample introduction flow, tool
There is higher treating capacity.
Working principle of the present invention
The principle of three-phase induction thermal reactor is the operation using the alternating magnetic field in three column magnetic circuits and combination electric system
Rule makes mangneto potential difference and induced current amplification in material or reaction medium, makes its quick heat.
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 star-star formula incudes thermal reactor I；
Fig. 2 is star-star-like connection form schematic diagram of three-phase circuit structure；
Wherein, star-star formula three-phase induction thermal reactor I；Tri- column magnetic circuit of 101-；102- magnet exciting coil；103- magnetic coupling
Close pipe group (being in star connection)；104- reaction chamber group (being in star connection)；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
Star-star formula three-phase induction thermal reactor I, as shown in Figure 1, including three column magnetic circuits 101, magnet exciting coil 102, magnetic
Couple pipe group 103, reaction chamber group 104；Wherein magnetic coupling pipe group 103 is in star connection；Reaction chamber group 104 also joins in star
Knot；Injection port 201 and outlet 202 are set to the connection river conjunction of magnetic coupling pipe group 103 or reaction chamber group 104, this implementation
Example is handed over the connection that connection river conjunction, outlet 202 that injection port 201 is located at magnetic coupling pipe group 103 are located at reaction chamber group 104
It is illustrated for remittance mouth；
Magnet exciting coil 102 is wound in each iron core column of three column magnetic circuits 101, the magnet exciting coil 102 in each iron core column
The number of turns be 6 circles, apply the equal threshold voltage of 500V to magnet exciting coil 102 using three phase mains, then it is each in three column magnetic circuits 101
The magnetic flux of iron core column is 0.06Wb, at this point, the permeability magnetic material of three column magnetic circuits 101 is cold rolled silicon steel, initial relative permeability is
1000, magnetic flux density when work is 1.2T.
Effective magnetic conduction sectional area of each iron core column is 0.05m in three column magnetic circuits 1012；The magnetic coupling of three star connections
It closes pipe to constitute magnetic coupling pipe group 103 and be wound in each iron core column of three column magnetic circuits 101, the number of turns of each magnetic coupling pipe is 36
Circle；
Three reaction chambers constitute a reaction chamber group 104 based on star connection, and three magnetic coupling pipes constitute one
Magnetic coupling pipe group 103 based on star connection, magnetic coupling pipe group 103 and reaction chamber group 104 are situated between as the reaction continuously flowed
The supporter of matter；
As shown in Fig. 2, the star based on three-phase circuit structure is presented in the connection of magnetic coupling pipe group 103 and reaction chamber group 104
Shape-star-like connection form；The sectional area of each reaction chamber is 0.36cm2, the sectional area of each magnetic coupling pipe is 1cm2, work as electricity
Reaction medium that conductance is 2.35S/m (such as 25 DEG C, 0.2%HCl and 0.3%Na2CO3) pumping and the reaction chamber group 104 that circulates
When, the effective electromotive force difference at each reaction chamber both ends is 5142V, and each reaction chamber length in reaction chamber group 104 is
20cm, when reaction medium is full of each reaction chamber, 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 star connection intersection of magnetic coupling pipe group 103, and reaction medium goes out sample
Mouth 202 is located at the star connection intersection of reaction chamber group 104.When sample introduction flow is 3ml/min, each branch reaction medium stream
The retention time for crossing each reaction chamber is 7.2min, is tested by thermal infrared imager, and the reaction medium that 25 DEG C of room temperature is even
Continue by the way that after three-phase induction thermal reactor I, the reaction medium temperature of outflow rises to 98.5 DEG C.
Embodiment 2
Star-star formula three-phase induction thermal reactor I, as shown in Figure 1, including three column magnetic circuits 101, magnet exciting coil 102, magnetic
Couple pipe group 103, reaction chamber group 104；Wherein magnetic coupling pipe group 103 is in star connection；Reaction chamber group 104 also joins in star
Knot.
Magnet exciting coil 102 is wound in each iron core column of three column magnetic circuits 101, the magnet exciting coil 102 in each iron core column
The number of turns be 12 circles, apply the equal threshold voltage of 2000V to magnet exciting coil 102 using three phase mains, then it is every in three column magnetic circuits 101
The magnetic flux of a iron core column is 0.12Wb, at this point, the permeability magnetic material of three column magnetic circuits 101 is cobalt base amorphous, initial relative permeability
It is 35000, magnetic flux density when work is 0.8T, and effective magnetic conduction sectional area of each iron core column is in three column magnetic circuits 101
0.15m2；The magnetic coupling pipe of three star connections constitutes magnetic coupling pipe group 103 and is wound in each iron core column of three column magnetic circuits 101
On, the number of turns of each magnetic coupling pipe is 48 circles；Three reaction chambers constitute a reaction chamber group 104 based on star connection,
The supporter of magnetic coupling pipe group 103 and reaction chamber group 104 as the reaction medium continuously flowed, further, magnetic coupling pipe group
103 are presented the star based on three-phase circuit structure-star-like connection form with reaction chamber group 104, see Fig. 2；Each reaction chamber
Sectional area be 0.16cm2, the sectional area of each magnetic coupling pipe is 2.3cm2, when the reaction medium (25 that conductivity is 3.47S/m
DEG C, 0.6%NaOH and 0.2%KCl) pump and circulate reaction chamber group 104 when, the effective electromotive force at each reaction chamber both ends is poor
For 13736V, each reaction chamber length of reaction chamber 104 is 10cm, is then hindered when reaction medium is full of each reaction chamber
Resist for 1600 Ω, induced current 8.58A, induced current density 53.65A/cm2；The injection port 201 of reaction medium is located at magnetic
The star connection intersection of pipe group 103 is coupled, and the outlet 202 of reaction medium is located at the star connection of reaction chamber group 104
Intersection.When sample introduction flow is 2.4ml/min, the retention time that each branch reaction medium flows through each reaction chamber is
2min is tested by thermal infrared imager, and the reaction medium that 25 DEG C of room temperature is after continuing through three-phase induction thermal reactor I, outflow
Reaction medium temperature rise to 96.8 DEG C.
Star provided by the invention-star formula three-phase induction thermal reactor is designed based on the moving law of electric system, is adopted
Use the iron circuit of three-phase three-column as alternating magnetic field access.Wherein, three magnetic coupling pipes and three reaction chambers respectively between
It is all rendered as the star connection of three-phase circuit, so that the electrical conductance material or reaction medium in reaction chamber produce and higher have
Potential difference is imitated, which derives from the line voltage of three-phase circuit, and value is normal phase voltageTimes, and then cause
The temperature rise of feed liquid or reaction medium is more efficient.Therefore, star of the present invention-star formula three-phase induction thermal reactor is utilized
Processing sample can avoid the bad problem occurred in traditional Ohmic heating, while without any external heat source or radiation, no dispatch from foreign news agency
Under the action of pole, high-efficiency heating is carried out to sample, and the star-star formula three-phase induction thermal reactor has single injection port
And outlet, reaction chamber liquid holdup is big, under identical sample introduction flow, treating capacity with higher.
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. star-star formula three-phase induction thermal reactor, which is characterized in that the star-star formula three-phase induction thermal reactor
It include: three column magnetic circuits, magnet exciting coil, magnetic coupling pipe, reaction chamber；
Wherein, injection port and outlet are set to the connection river conjunction of magnetic coupling pipe group or reaction chamber group, guarantee each branch
Continuous flow material or reaction medium are equal in the residence time of reaction chamber；
Three column magnetic circuits are made of permeability magnetic material, and magnet exciting coil is wound on three column magnetic circuits；
Three magnetic coupling Guan Weiyi groups, are in star connection, and every group of magnetic coupling pipe is wound in three iron core columns of three column magnetic circuits respectively
On；
Three reaction chambers are one group, are in star connection；
The star-star formula three-phase induction thermal reactor includes at least one set of magnetic coupling pipe, at least one set of reaction chamber；Magnetic coupling
Close the connection of Guan Zuyu reaction chamber group.
2. star according to claim 1-star formula three-phase induction thermal reactor, which is characterized in that power supply is to excitation wire
After circle applies three-phase voltage, the total magnetic flux range of each iron core column carrying is 0-10Wb, three column magnetic circuit materials in three column magnetic circuits
Initial permeability be 800-90000.
3. star according to claim 1-star formula three-phase induction thermal reactor, which is characterized in that reaction chamber internal diameter
Less than magnetic coupling bore.
4. star according to claim 1-star formula three-phase induction thermal reactor, which is characterized in that reaction chamber section
The ratio between long-pending and magnetic coupling pipe sectional area is 1:1.3~1:50.
5. star according to claim 1-star formula three-phase induction thermal reactor, which is characterized in that injection port is located at magnetic
Couple the connection river conjunction of pipe group；Outlet is located at the connection river conjunction of reaction chamber group.
6. star according to claim 1-star formula three-phase induction thermal reactor, which is characterized in that in reaction chamber
Induced current density is 1-120A/cm2。
7. star according to claim 1-star formula three-phase induction thermal reactor, which is characterized in that induced current circuit
It exists only between magnetic coupling pipe and reaction chamber, 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 star-star as claimed in claim 1 to 7
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. star as claimed in claim 1 to 7-star formula three-phase induction thermal reactor and/or any institute of claim 8-9
Application of the heating device stated in chemical industry, food and environmental area.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811607070.8A CN109618439B (en) | 2018-12-27 | 2018-12-27 | Star-star type three-phase induction thermal reactor |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811607070.8A CN109618439B (en) | 2018-12-27 | 2018-12-27 | Star-star type three-phase induction thermal reactor |
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| Publication Number | Publication Date |
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| CN109618439A true CN109618439A (en) | 2019-04-12 |
| CN109618439B CN109618439B (en) | 2021-05-28 |
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| CN201811607070.8A Active CN109618439B (en) | 2018-12-27 | 2018-12-27 | Star-star type three-phase induction thermal reactor |
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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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| Publication number | Publication date |
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| CN109618439B (en) | 2021-05-28 |
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Address after: 78-501-70 Wuai Road, Liangxi District, Wuxi City, Jiangsu Province Patentee after: YINGDUSITE (WUXI) INDUCTION TECHNOLOGY Co.,Ltd. Address before: 214000 Second Floor of Jinshan North Photoelectric Science Park, 28-132 Huibei Road, Liangxi District, Wuxi City, Jiangsu Province Patentee before: YINGDUSITE (WUXI) INDUCTION TECHNOLOGY Co.,Ltd. |