CN209435470U - A kind of fluidized bed wound form electromagnetic induction heating system - Google Patents
A kind of fluidized bed wound form electromagnetic induction heating system Download PDFInfo
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- CN209435470U CN209435470U CN201821401713.9U CN201821401713U CN209435470U CN 209435470 U CN209435470 U CN 209435470U CN 201821401713 U CN201821401713 U CN 201821401713U CN 209435470 U CN209435470 U CN 209435470U
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- bed reactor
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Abstract
The utility model discloses a kind of fluidized bed wound form electromagnetic induction heating system, comprising: fluidized-bed reactor, electromagnetic induction coil, temperature sensor, electromagnetic heating controller, console；Electromagnetic induction coil is wrapped on fluidized-bed reactor, and temperature sensor is arranged on fluidized-bed reactor, and electromagnetic induction coil is electrically connected with electromagnetic heating controller, and electromagnetic heating controller, temperature sensor are electrically connected with console respectively.The characteristics of this system utilizes fluidized-bed reactor to be permeability magnetic material, it is heated using the mode of electromagnetic heating to fluidized-bed reactor, heating rate is fast, reactor temperature is uniform and easily-controllable excellent characteristics, long service life, production efficiency can be greatly improved, and since electromagnetic coil itself does not generate heat, the component more than reaction temperature is not present in heating system, therefore is more applicable for meeting the synthesis reaction system of the easy decomposing materials of high temperature.
Description
Technical field
The utility model relates to fluidized bed fields, and in particular to a kind of fluidized bed wound form electromagnetic induction heating system.
Background technique
When fluidization introduces the high temperature gas phase method synthesis reaction temperature easy decomposing material close with decomposition temperature, not only
Strict control reactor temperature is needed, the temperature of strict control external heating device component is answered, equipment body is avoided to occur
When leakage, easy decomposing materials meet the problem of high temperature rapidly decomposes.Consider from technical security, needs stable and controllable heat source；
Consider from production efficiency, needs the heating method that can be rapidly heated.Conventional fluidization bed external heating mode uses resistance furnace, first is that
Non-uniform temperature in bed, second is that resistance wire is generally 50 ~ 200 DEG C higher than reaction temperature when reaching technique required temperature, once bed
When body generation is revealed due to uncontrollable, easily caused acutely when element in easy decomposing material contact high temperature resistance silk or furnace
It decomposes, production development accident when serious.
Summary of the invention
To solve the above problems, the utility model provides a kind of fluidized bed wound form electromagnetic induction heating system.
The technical solution of the utility model is: a kind of fluidized bed wound form electromagnetic induction heating system, comprising: fluidized bed is anti-
Answer device, electromagnetic induction coil, temperature sensor, electromagnetic heating controller, console；
Electromagnetic induction coil is wrapped on fluidized-bed reactor, and temperature sensor is arranged on fluidized-bed reactor, electromagnetism
Induction coil is electrically connected with electromagnetic heating controller, and electromagnetic heating controller, temperature sensor are electrically connected with console respectively.
Further, fluidized-bed reactor is the fluidized-bed reactor of carbon steel, stainless steel or monel metal material.
Further, electromagnetic induction coil is uniformly or part is equably wrapped on fluidized-bed reactor.
Further, electro-magnetic screen layer is provided on the outside of electromagnetic induction coil.
Further, temperature sensor includes multiple temperature sensors.
Further, multiple temperature sensors are uniformly arranged on fluidized-bed reactor.
It further, further include display screen and alarm, display screen, alarm are electrically connected with console respectively.
Further, alarm switch circuit is additionally provided between alarm and controller；The alarm switch circuit includes:
Resistance R1, resistance R2, resistance R3, resistance R4, capacitor C1, capacitor C2, diode D1, NMOS tube Q1, PNP type triode Q2；
The output end of console connects the one end resistance R1, and the resistance R1 other end connects the grid of NMOS tube Q1 through resistance R2 all the way
Pole, the other end are grounded through capacitor C1；The source electrode of NMOS tube Q1 is grounded, resistance R3, the resistance R4 that the drain electrode of NMOS tube Q1 is concatenated
The base stage of PNP type triode Q2 is connected, the emitter of PNP type triode Q2 connects supply voltage, the current collection of PNP type triode Q2
Pole is grounded through alarm；The one end capacitor C2 connect PNP type triode Q2 emitter, the other end connection resistance R3, resistance R4 it
Between node.
Further, adiabator layer is provided on the outside of fluidized-bed reactor.
Further, fixing layer is provided on the outside of adiabator layer.
Fluidized bed wound form electromagnetic induction heating system provided by the utility model is magnetic conduction material using fluidized-bed reactor
The characteristics of material, is heated using the mode of electromagnetic heating to fluidized-bed reactor, and heating rate is fast, reactor temperature is uniform and easy
The excellent characteristics of control, long service life can greatly improve production efficiency, and since electromagnetic coil itself does not generate heat, heating system
There is no the components more than reaction temperature for system, therefore are more applicable for meeting the synthesis reaction system of the easy decomposing materials of high temperature.
Detailed description of the invention
Fig. 1 is the utility model specific embodiment structural schematic diagram.
Fig. 2 is the utility model specific embodiment alarm switch circuit schematic diagram.
In figure, 1- fluidized-bed reactor, 2- adiabator layer, 3- fixing layer, 4- electro-magnetic screen layer, 5- electromagnetic induction line
Circle, 6- electromagnetic heating controller, 7- console, 8- temperature sensor, 9- display screen, 10- alarm.
Specific embodiment
The utility model is elaborated with reference to the accompanying drawing and by specific embodiment, and following embodiment is to this
The explanation of utility model, and the utility model is not limited to following implementation.
As shown in Figure 1, fluidized bed wound form electromagnetic induction heating system provided in this embodiment, comprising: fluidized-bed reaction
Device 1, electromagnetic induction coil 5, temperature sensor 8, electromagnetic heating controller 6, console 7.
Electromagnetic heating controller 6 draws electromagnetic induction coil 5, and electromagnetic induction coil 5 is wrapped on fluidized-bed reactor 1,
Electromagnetic induction coil 5 can need uniformly or to be partially equably wrapped in fluidisation by certain density degree according to the control of technological temperature
On bed reactor 1.
Temperature monitoring point is set on fluidized-bed reactor 1, the temperature of fluidized-bed reactor 1 is detected using temperature sensor 8,
And it is transmitted to console 7.Multiple temperature monitoring points can be set according to process requirement, multiple temperature monitoring points are uniformly arranged on stream
On fluidized bed reactor 1.
Electromagnetic heating controller 6, temperature sensor 8 are electrically connected with console 7 respectively, and console 7 is according to temperature sensor 8
The temperature of feedback and set temperature are controlled the electric current of electromagnetic induction coil 5 by electromagnetic heating controller 6, and then realized
The accurate control of 1 temperature of fluid bedreactors.Console 7 is PLC or DCS console.
The material of fluidized-bed reactor 1 can be carbon steel, stainless steel or monel metal material, can be therein one
Kind, it is also possible at least two combination.Correspondingly, the electromagnetic heating controller 6 of suitable producer can be selected as needed.
Preferably, electro-magnetic screen layer 4 is arranged on the outside of electromagnetic induction coil 5, electro-magnetic screen layer 4 is shielded using copper, aluminium, steel etc.
Body is covered, to reduce external electromagnetic interference while play the role of protecting coil.
In addition, being additionally provided with adiabator layer 2 on the outside of fluidized-bed reactor 1, reinforcing layer is set on the outside of adiabator layer 2,
It to play insulation effect, prevents from radiating, quickly to obtain required temperature.It should be noted that correspondingly electromagnetic induction coil 5
It is wrapped on the outside of reinforcing layer.Adiabator layer 2 is rock wool, composition silicate or expanded perlite thermal-nsulation material layer, and fixing layer 3 is
Glass wool cloth or glass fabric fixing layer.
The present embodiment is provided with display screen 9 and alarm 10 at the scene, and display screen 9, alarm 10 are electric with console 7 respectively
Connection.Display screen 9 can the detected fluidized-bed reactor 1 of displays temperature sensor 8 real time temperature, when fluidized-bed reactor 1
When temperature is excessively high or Temperature Distribution excessive temperature differentials, it can be alarmed by alarm 10.Alarm 10 can be combined aural and visual alarm.
It is additionally provided with alarm switch circuit between alarm 10 and controller 7, for controlling the alarm condition of alarm 10.
Alarm switch circuit include: resistance R1, resistance R2, resistance R3, resistance R4, capacitor C1, capacitor C2, diode D1, NMOS tube Q1,
PNP type triode Q2.
The output end of console 7 connects the one end resistance R1, and the resistance R1 other end connects the grid of NMOS tube Q1 through resistance R2 all the way
Pole, the other end are grounded through capacitor C1；The source electrode of NMOS tube Q1 is grounded, resistance R3, the resistance R4 that the drain electrode of NMOS tube Q1 is concatenated
The base stage of PNP type triode Q2 is connected, the emitter of PNP type triode Q2 connects supply voltage, the current collection of PNP type triode Q2
Pole is grounded through alarm 10；The one end capacitor C2 connects the emitter of PNP type triode Q2, the other end connects resistance R3, resistance R4
Between node.
When console 7 detects 1 temperature anomaly of fluidized-bed reactor by temperature sensor 8, output high level passes through
Resistance R1 give capacitor C1 charging, capacitor C1 charging voltage promoted to NOMOS pipe Q1 cut-in voltage VGS (TH) when, NMOS pipe
Q1 conducting, the drain electrode of NMOS pipe Q1 export low level, and PNP type triode Q2 is connected, and alarm 10 is alarmed, while to capacitor
C2 charging.After temperature anomaly disappears, capacitor is discharged by PNP type triode Q1, resistance R4, and PNP type triode Q1 continues to lead
It is logical, time of fire alarming can be extended, staff is reminded to pay attention to.Because this circuit is reported again when capacitor C1 charging voltage rises to a certain degree
It is alert, delayed alarm can be played the role of, prevent the moment of temperature unstable and false alarm, increase work load.
To further illustrate system solution, it is exemplified below three specific implementations.
Mode one: fluidized-bed reactor 1 is carbon steel fluidized-bed reactor, and wall thickness 12mm, heading-length 8m are heated to
600 DEG C and maintain temperature constant.It is close to wall using thermal insulation materials such as rock wools and lays adiabator layer 2, thickness makes in 1 ~ 10cm
It uses glass wool cloth to wind one layer to be fixed on fluidized-bed reactor 1 as fixing layer 3.Select 4 groups be 10Kw electromagnetism
Induction coil 5, every group of 5 80 ~ 150m of length of electromagnetic induction coil, uniform winding is on the fluidized-bed reactor 1 of overall length 8m.Fluidisation
3 temperature monitoring points, mounting temperature sensor 8 at temperature monitoring point are uniformly arranged on bed reactor 1.Electromagnetic induction coil 5 with
Electromagnetic heating controller 6 is electrically connected, and electromagnetic heating controller 6, temperature sensor 8 are electrically connected with console 7 respectively, console 7
According to the feedback temperature of temperature sensor 8, controls heating rate and rise to final temperature.
Mode two: fluidized-bed reactor 1 be monel metal fluidized-bed reactor, wall thickness 5mm, heading-length 8m,
It is heated to 400 DEG C and maintains temperature constant.Be close to wall using thermal insulation materials such as rock wools and lay adiabator layer 2, thickness 1 ~
10cm uses glass wool cloth to wind one layer and is fixed on fluidized-bed reactor 1 as fixing layer 3.Selecting 4 groups is 10Kw
Electromagnetic induction coil 5, every group of 5 150 ~ 200m of length of electromagnetic induction coil, uniform winding is on the reactor of overall length 8m.Reaction
3 temperature monitoring points, mounting temperature sensor 8 at temperature monitoring point are uniformly arranged on device.Electromagnetic induction coil 5 and electromagnetic heating
Controller 6 is electrically connected, and electromagnetic heating controller 6, temperature sensor 8 are electrically connected with console 7 respectively, and console 7 is according to temperature
The feedback temperature of sensor 8 controls heating rate and rises to final temperature.
Mode three: fluidized-bed reactor 1 is stainless steel fluidized-bed reactor, wall thickness 12mm, heading-length 8m, heating
To 500 DEG C and maintain temperature constant.Be close to wall using thermal insulation materials such as rock wools and lay adiabator layer 2, thickness in 1 ~ 10cm,
Use glass wool cloth to wind one layer to be fixed on fluidized-bed reactor 1 as fixing layer 3.Select 4 groups be 10Kw electricity
Magnetic induction coil 5, every group of 5 150 ~ 200m of length of electromagnetic induction coil, uniform winding is on the reactor of overall length 8m.On reactor
It is uniformly arranged 3 temperature monitoring points, mounting temperature sensor 8 at temperature monitoring point.Electromagnetic induction coil 5 and electromagnetic heating control
Device 6 is electrically connected, and electromagnetic heating controller 6, temperature sensor 8 are electrically connected with console 7 respectively, and console 7 is according to temperature sensing
The feedback temperature of device 8 controls heating rate and rises to final temperature.
According to the fluidized bed electromagnetic heating system of this programme, uniformity of temperature profile, heating effect is good, heating system structure letter
It is single, it operates easy to maintenance；System operation reliability enhancing；The thermal efficiency of traditional resistor furnace is in 50-80%, and the heat of electromagnetic heating
Efficiency is 95% or more, and after electromagnetic heating, energy conservation reaches 30%-60%.
The above is only the preferred embodiment of the utility model, it should be pointed out that: for the common skill of the art
For art personnel, without departing from the principle of this utility model, several improvements and modifications can also be made, these improve and
Retouching also should be regarded as the protection scope of the utility model.
Claims (10)
1. a kind of fluidized bed wound form electromagnetic induction heating system characterized by comprising fluidized-bed reactor, electromagnetic induction
Coil, temperature sensor, electromagnetic heating controller, console；
Electromagnetic induction coil is wrapped on fluidized-bed reactor, and temperature sensor is arranged on fluidized-bed reactor, electromagnetic induction
Coil is electrically connected with electromagnetic heating controller, and electromagnetic heating controller, temperature sensor are electrically connected with console respectively.
2. fluidized bed wound form electromagnetic induction heating system according to claim 1, which is characterized in that fluidized-bed reactor
For the fluidized-bed reactor of carbon steel, stainless steel or monel metal material.
3. fluidized bed wound form electromagnetic induction heating system according to claim 1 or 2, which is characterized in that electromagnetic induction
Coil is uniformly or part is equably wrapped on fluidized-bed reactor.
4. fluidized bed wound form electromagnetic induction heating system according to claim 1 or 2, which is characterized in that electromagnetic induction
Electro-magnetic screen layer is provided on the outside of coil.
5. fluidized bed wound form electromagnetic induction heating system according to claim 1 or 2, which is characterized in that temperature sensing
Device includes multiple temperature sensors.
6. fluidized bed wound form electromagnetic induction heating system according to claim 4, which is characterized in that multiple temperature sensing
Device is uniformly arranged on fluidized-bed reactor.
7. fluidized bed wound form electromagnetic induction heating system according to claim 6, which is characterized in that further include display screen
And alarm, display screen, alarm are electrically connected with console respectively.
8. fluidized bed wound form electromagnetic induction heating system according to claim 7, which is characterized in that alarm and control
Alarm switch circuit is additionally provided between device；The alarm switch circuit include: resistance R1, resistance R2, resistance R3, resistance R4,
Capacitor C1, capacitor C2, diode D1, NMOS tube Q1, PNP type triode Q2；
The output end of console connects the one end resistance R1, and the resistance R1 other end connects the grid, another of NMOS tube Q1 through resistance R2 all the way
One end is grounded through capacitor C1；The source electrode of NMOS tube Q1 is grounded, resistance R3 that the drain electrode of NMOS tube Q1 is concatenated, resistance R4 connection
The base stage of PNP type triode Q2, the emitter of PNP type triode Q2 connect supply voltage, the collector warp of PNP type triode Q2
Alarm ground connection；The one end capacitor C2 connects the emitter of PNP type triode Q2, the other end connects between resistance R3, resistance R4
Node.
9. fluidized bed wound form electromagnetic induction heating system according to claim 1 or 2, which is characterized in that fluidized bed is anti-
It answers and is provided with adiabator layer on the outside of device.
10. fluidized bed wound form electromagnetic induction heating system according to claim 9, which is characterized in that adiabator layer
Outside is provided with fixing layer.
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| Application Number | Priority Date | Filing Date | Title |
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| CN201821401713.9U CN209435470U (en) | 2018-08-29 | 2018-08-29 | A kind of fluidized bed wound form electromagnetic induction heating system |
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| CN201821401713.9U CN209435470U (en) | 2018-08-29 | 2018-08-29 | A kind of fluidized bed wound form electromagnetic induction heating system |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112361428A (en) * | 2020-11-02 | 2021-02-12 | 河北建筑工程学院 | Electric heating fluidized bed heat accumulator and heat supply system |
| CN114562876A (en) * | 2022-02-18 | 2022-05-31 | 中材节能股份有限公司 | Electric heating cement clinker sintering system and method |
-
2018
- 2018-08-29 CN CN201821401713.9U patent/CN209435470U/en active Active
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112361428A (en) * | 2020-11-02 | 2021-02-12 | 河北建筑工程学院 | Electric heating fluidized bed heat accumulator and heat supply system |
| CN112361428B (en) * | 2020-11-02 | 2021-08-20 | 河北建筑工程学院 | Electric heating fluidized bed heat accumulator and heat supply system |
| CN114562876A (en) * | 2022-02-18 | 2022-05-31 | 中材节能股份有限公司 | Electric heating cement clinker sintering system and method |
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