CN112113332B - Electromagnetic induction hot-blast stove - Google Patents
Electromagnetic induction hot-blast stove Download PDFInfo
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- CN112113332B CN112113332B CN202010955112.8A CN202010955112A CN112113332B CN 112113332 B CN112113332 B CN 112113332B CN 202010955112 A CN202010955112 A CN 202010955112A CN 112113332 B CN112113332 B CN 112113332B
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F24—HEATING; RANGES; VENTILATING
- F24H—FLUID HEATERS, e.g. WATER OR AIR HEATERS, HAVING HEAT-GENERATING MEANS, e.g. HEAT PUMPS, IN GENERAL
- F24H3/00—Air heaters
- F24H3/02—Air heaters with forced circulation
- F24H3/04—Air heaters with forced circulation the air being in direct contact with the heating medium, e.g. electric heating element
- F24H3/0405—Air heaters with forced circulation the air being in direct contact with the heating medium, e.g. electric heating element using electric energy supply, e.g. the heating medium being a resistive element; Heating by direct contact, i.e. with resistive elements, electrodes and fins being bonded together without additional element in-between
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F24—HEATING; RANGES; VENTILATING
- F24H—FLUID HEATERS, e.g. WATER OR AIR HEATERS, HAVING HEAT-GENERATING MEANS, e.g. HEAT PUMPS, IN GENERAL
- F24H9/00—Details
- F24H9/18—Arrangement or mounting of grates or heating means
- F24H9/1854—Arrangement or mounting of grates or heating means for air heaters
- F24H9/1863—Arrangement or mounting of electric heating means
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F24—HEATING; RANGES; VENTILATING
- F24H—FLUID HEATERS, e.g. WATER OR AIR HEATERS, HAVING HEAT-GENERATING MEANS, e.g. HEAT PUMPS, IN GENERAL
- F24H9/00—Details
- F24H9/20—Arrangement or mounting of control or safety devices
- F24H9/2064—Arrangement or mounting of control or safety devices for air heaters
- F24H9/2071—Arrangement or mounting of control or safety devices for air heaters using electrical energy supply
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- G06F17/10—Complex mathematical operations
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- G—PHYSICS
- G08—SIGNALLING
- G08B—SIGNALLING OR CALLING SYSTEMS; ORDER TELEGRAPHS; ALARM SYSTEMS
- G08B21/00—Alarms responsive to a single specified undesired or abnormal condition and not otherwise provided for
- G08B21/18—Status alarms
- G08B21/182—Level alarms, e.g. alarms responsive to variables exceeding a threshold
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- G—PHYSICS
- G08—SIGNALLING
- G08B—SIGNALLING OR CALLING SYSTEMS; ORDER TELEGRAPHS; ALARM SYSTEMS
- G08B7/00—Signalling systems according to more than one of groups G08B3/00 - G08B6/00; Personal calling systems according to more than one of groups G08B3/00 - G08B6/00
- G08B7/06—Signalling systems according to more than one of groups G08B3/00 - G08B6/00; Personal calling systems according to more than one of groups G08B3/00 - G08B6/00 using electric transmission, e.g. involving audible and visible signalling through the use of sound and light sources
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Abstract
The invention discloses an electromagnetic induction hot blast stove, which comprises a box body shell, wherein a high-pressure cyclone furnace is arranged in the box body shell, the other side of the high-pressure cyclone furnace is connected with an air inlet bent pipe through a pipe connecting flange, a heating steel barrel is arranged on the upper side of the air inlet bent pipe, an electromagnetic induction coil is wound on the outer side of a heat insulation plate, a heat conduction inner furnace core is arranged in the heating steel barrel, a contact heat guide pillar is arranged in the heating steel barrel, a controller is arranged on the lower side of a control panel display screen, the controller is wirelessly connected with a display terminal, a data primary inspection module is used for carrying out data primary inspection on wind power and temperature sent by a data acquisition module, and a fault analysis module is used for carrying out fault analysis on the high-pressure cyclone furnace and the heating steel barrel, the electromagnetic heating is prevented from being influenced by equipment, and the potential safety hazard is avoided.
Description
Technical Field
The invention belongs to the technical field of electromagnetic heating, and relates to a hot blast stove technology, in particular to an electromagnetic induction hot blast stove.
Background
Electromagnetic heating is also called electromagnetic induction heating, namely an electromagnetic heating technology, and the principle of electromagnetic heating is that an alternating magnetic field is generated through an electronic circuit board component, when a ferrous container is placed on the iron-containing container, the surface of the container cuts alternating magnetic lines of force to generate alternating current (namely eddy current) on a metal part at the bottom of the container, the eddy current enables carriers at the bottom of the container to move randomly at a high speed, and the carriers collide and rub with atoms to generate heat energy. Thereby achieving the effect of heating the article. Since the iron vessel itself generates heat, the heat conversion is particularly high, and up to 95% is a direct heating method. Electromagnetic heating technology is adopted in an electromagnetic oven, an electromagnetic stove and an electromagnetic heating electric cooker.
In the prior art, wind power cannot be quickly converted from cold wind into hot wind, although some wind power is heated by an electromagnetic heating technology, the temperature and the wind power of electromagnetic heating equipment cannot be effectively monitored, and the electromagnetic heating equipment cannot be quickly detected when faults exist, so that an electromagnetic induction hot blast stove is provided.
Disclosure of Invention
Aiming at the defects in the prior art, the invention aims to provide an electromagnetic induction hot blast stove.
The technical problem to be solved by the invention is as follows:
the prior art can't turn into hot-blast by cold wind fast with wind-force, though there are some and heat through the electromagnetic heating technique, but can't monitor electromagnetic heating equipment's temperature, wind-force effectively, the problem that also can't detect out fast when electromagnetic heating equipment has the trouble.
The purpose of the invention can be realized by the following technical scheme:
the electromagnetic induction hot blast stove comprises a box body shell, wherein a temperature insulation plate is arranged in the inner wall of the box body shell, a high-pressure cyclone stove is arranged in the box body shell, pipe-through connecting flanges are symmetrically arranged on two sides of the high-pressure cyclone stove, one side of the high-pressure cyclone stove is connected with an air inlet through the pipe-through connecting flange, the other side of the high-pressure cyclone stove is connected with an air inlet bent pipe through the pipe-through connecting flange, a stove body stabilizing leg is arranged on the lower side of the air inlet bent pipe, a heating steel barrel is arranged on the upper side of the air inlet bent pipe, an air outlet is arranged on the upper side of the heating steel barrel, the outer sides of the heating steel barrel, the air inlet bent pipe and the air outlet are wrapped and provided with heat insulation plates, an electromagnetic induction coil is wound on the outer side of the heat insulation plates, a heat conduction inner stove core is arranged in the heating steel barrel, and a contact heat guide pillar is arranged in the heating steel barrel;
the utility model discloses a high-pressure cyclone furnace, including box shell, high-pressure cyclone furnace, frequency conversion response full-bridge core, control panel display screen is installed to frequency conversion response full-bridge core one side, the controller is installed to control panel display screen downside.
Further, install the electron blast gate on the air inlet return bend, air outlet internal assembly has first electron temperature controller, air inlet return bend upside is equipped with second electron temperature controller, furnace core internally mounted has third electron temperature controller in the heat conduction, the box shell upper end is equipped with the reputation siren.
Furthermore, the controller is wirelessly connected with a display terminal, the display terminal is a control panel display screen on the shell of the box body, and the controller comprises a data primary inspection module, a data acquisition module, a fault analysis module, an alarm module and a database;
the data acquisition module is used for transmitting wind power of the high-pressure cyclone furnace and the temperature of the heating steel drum to the data primary detection module; the data preliminary examination module is used for carrying out data preliminary examination on the wind power and the temperature sent to by the data acquisition module, and the specific preliminary examination process is as follows:
s1: acquiring a maximum bearing wind power value Fmax and a minimum bearing wind power value Fmin of the high-pressure cyclone furnace;
s2: setting a plurality of time points t, t is 1, … …, n, and acquiring the wind power value of the high-pressure cyclone furnace according to the time points, so as to obtain the wind power value Ft of the high-pressure cyclone furnace corresponding to the time points;
s3: using formulas
Obtaining an average air force value FLp of the high-pressure cyclone furnace during the operation period;
s4: if the average wind force value FLp of the high-pressure cyclone furnace during the operation is within the range of the maximum bearing wind force value Fmax and the minimum bearing wind force value Fmin of the high-pressure cyclone furnace, the working state of the high-pressure cyclone furnace is normal, a normal working signal is generated and sent to the controller, and otherwise, an abnormal working signal is generated and sent to the controller;
s5: acquiring a maximum bearing temperature value Wmax and a minimum temperature wind power value Wmin of the heating steel drum;
s6: setting a plurality of time points t, t being 1, … …, n, and acquiring the temperature value of the heating steel drum according to the time points, thereby obtaining the temperature value Wt of the heating steel drum corresponding to the time points;
s7: using formulas
Obtaining an average temperature value WDp of the high-pressure cyclone furnace during the operation period;
s8: if the average temperature value WDp of the heating steel barrel in the operation period is within the range of the maximum bearing temperature value Wmax and the minimum temperature wind force value Wmin of movement, the working state of the heating steel barrel is normal, a normal working signal is generated and sent to the controller, otherwise, an abnormal working signal is generated and sent to the controller;
s9: the working normal signals and the working abnormal signals are displayed through the display terminal, and meanwhile the alarm module gives an alarm;
the alarm module is used for receiving fault information of the high-pressure cyclone furnace and the heating steel drum and generating alarm sound, and is particularly an acousto-optic alarm on a box body shell; the fault analysis module is used for carrying out fault analysis on the high-pressure cyclone furnace and the heating steel drum.
Further, the specific working process of the fault analysis module is as follows:
p1: when the fault analysis module receives the abnormal working signal sent by the data primary detection module, the fault analysis module starts working;
p2: acquiring the noise decibel of the high-pressure cyclone furnace at the corresponding time point, and marking the noise decibel as Zt;
p3: acquiring a noise decibel maximum value Zmax and a noise decibel minimum value Zmin in noise decibels Zt of a plurality of time points;
p4: using formulas
Obtaining the average noise value ZYGp of the high-pressure cyclone furnace during the operation period;
p5: in the same way, obtaining the average noise value ZYJp of the heating steel barrel in the operation period;
p6: respectively obtaining wind force values FJ1t and FJ2t of corresponding time points of the first cooling fan and the second cooling fan, and calculating to obtain an average wind force value FJ1p of the first cooling fan and an average wind force value FJ2p of the second cooling fan;
p7: after dequantization processing, the fault value GG of the high-pressure cyclone furnace and the fault value JG of the heating steel drum are calculated by using a formula, wherein the specific formula is as follows:
p8: comparing the fault value GG of the high-pressure cyclone furnace and the fault value JG of the heating steel drum with a set threshold value;
p9: and if the fault value exceeds the set threshold value, generating a fault signal and sending the fault signal to the controller, otherwise, not generating the fault signal.
Further, the controller is also used for recording the failure times of the equipment and generating a corresponding failure record table; the controller also comprises a periodic inspection module, and the periodic inspection module is used for regularly inspecting the high-pressure cyclone furnace and the heating steel drum.
Compared with the prior art, the invention has the beneficial effects that:
1. the invention connects the two sides of the high-pressure cyclone furnace through a pipe connection flange by a heat insulation plate, a first cooling fan, an air outlet, a heat insulation plate, an electromagnetic induction coil, a heating steel barrel, a contact heat guide post, an air inlet bent pipe, a high-pressure cyclone furnace, an air inlet, a second cooling fan, a control panel display screen, a frequency conversion induction full-bridge machine core and a heat conduction inner furnace core, opens an electronic air valve, under the action of the high-pressure cyclone furnace, outside air enters the heating steel barrel through the air inlet and the air inlet bent pipe, a second electronic temperature controller on the air inlet bent pipe monitors the temperature of gas, the electromagnetic induction coil is electrified and heated, the air is heated in the heating steel barrel, a third electronic temperature controller monitors the temperature in the heating steel barrel in real time, after heating, the air is discharged through the air outlet, the first electronic temperature controller in the air outlet can monitor the temperature of discharged gas, the design is convenient for converting outside air into hot air, real-time monitoring is carried out through the temperature of the air, and meanwhile the heat insulation plate isolates the temperature of the heating steel drum to avoid temperature overflow;
2. the method comprises the steps of carrying out data primary detection on wind power and temperature sent by a data acquisition module through a data primary detection module, firstly obtaining a maximum bearing wind power value Fmax and a minimum bearing wind power value Fmin of the high-pressure cyclone furnace, then setting a plurality of time points t, acquiring the wind power value of the high-pressure cyclone furnace according to the time points, thus obtaining a wind power value Ft of the high-pressure cyclone furnace corresponding to the time points, and utilizing a formula to obtain the wind power value Ft of the high-pressure cyclone furnace corresponding to the time points
Obtaining an average wind force value FLp of the high-pressure cyclone furnace during the operation period, if the average wind force value FLp of the high-pressure cyclone furnace during the operation period is within the range of the maximum bearing wind force value Fmax and the minimum bearing wind force value Fmin of the high-pressure cyclone furnace, generating a normal working signal to be sent to the controller, and otherwise generating an abnormal working signal to be sent to the controller; simultaneously acquiring a maximum bearing temperature value Wmax and a minimum temperature wind power value Wmin of the heating steel barrel, setting a plurality of time points t, acquiring the temperature value of the heating steel barrel according to the time points, thereby acquiring the temperature value Wt of the heating steel barrel corresponding to the time points, and utilizing a formula
Obtaining the average temperature value WDp of the high-pressure cyclone furnace during the operation, if the average temperature value WDp of the heating steel barrel during the operation is within the range of the maximum bearing temperature value Wmax and the minimum temperature wind force value Wmin of the movement, the working state of the heating steel barrel is normal, generating a normal working signal to be sent to the controller, otherwise, generating an abnormal working signal to be sent to the controller, and sending the normal working signal and the abnormal working signal to the controllerThe number is displayed through a display terminal, and meanwhile, an alarm module gives an alarm;
3. the fault analysis module is used for carrying out fault analysis on the high-pressure cyclone furnace and the heating steel drum, when the fault analysis module receives an abnormal working signal sent by the data primary detection module, the fault analysis module starts to work, firstly, the noise decibel of the high-pressure cyclone furnace at a corresponding time point is obtained, the noise decibel is marked as ZT, the maximum noise decibel Zmax and the minimum noise decibel Zmin in the noise decibel Zt at a plurality of time points are obtained, and a formula is utilized
Obtaining an average noise value ZYGp of the high-pressure cyclone furnace during the operation period, and so on to obtain an average noise value ZYJp of the heating steel barrel during the operation period, respectively obtaining wind force values FJ1t and FJ2t of the first cooling fan and the second cooling fan at corresponding time points, calculating to obtain an average wind force value FJ1p of the first cooling fan and an average wind force value FJ2p of the second cooling fan, and after quantization processing, utilizing a formula to perform quantization processing
The fault value GG of the high-pressure cyclone furnace and the fault value JG of the heating steel barrel are obtained through calculation, the fault value GG of the high-pressure cyclone furnace and the fault value JG of the heating steel barrel are compared with a set threshold value, if the fault values exceed the set threshold value, a fault signal is generated and sent to the controller, otherwise, the fault signal is not generated, and the design facilitates fault analysis of the high-pressure cyclone furnace and the heating steel barrel in the electromagnetic heating equipment, so that whether the electromagnetic heating equipment has faults or not is judged, and electromagnetic heating is prevented from being influenced.
Drawings
In order to facilitate understanding for those skilled in the art, the present invention will be further described with reference to the accompanying drawings.
FIG. 1 is a schematic view of the overall structure of the present invention;
FIG. 2 is a schematic view of the structure of the heating steel drum according to the present invention;
fig. 3 is a block diagram of the system of the present invention.
In the figure: 1. a case body shell; 2. a thermal insulation plate; 3. a first cooling fan; 4. an air outlet; 5. a first electronic temperature controller; 6. a heat insulation plate; 7. an electromagnetic induction coil; 8. heating the steel drum; 9. contacting the hot guide post; 10. an air inlet bent pipe; 11. a second electronic temperature controller; 12. an electronic air valve; 13. a high pressure cyclone furnace; 14. an air inlet; 15. a second cooling fan; 16. a control panel display screen; 17. a frequency conversion induction full bridge machine core; 18. a furnace body stabilizing leg; 19. the pipe is connected with a flange; 20. a third electronic temperature controller; 21. a heat-conducting inner furnace core; 22. and a controller.
Detailed Description
The technical solutions of the present invention will be described clearly and completely with reference to the following embodiments, and it should be understood that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
Referring to fig. 1-3, the electromagnetic induction hot blast stove comprises a box body shell 1, a heat insulation plate 2 is installed in the inner wall of the box body shell 1, a high-pressure cyclone furnace 13 is installed in the box body shell 1, pipe connection connecting flanges 19 are symmetrically installed on two sides of the high-pressure cyclone furnace 13, one side of the high-pressure cyclone furnace 13 is connected with an air inlet 14 through the pipe connection connecting flange 19, the other side of the high-pressure cyclone furnace 13 is connected with an air inlet bent pipe 10 through the pipe connection connecting flange 19, a furnace body stabilizing leg 18 is installed on the lower side of the air inlet bent pipe 10, a heating steel barrel 8 is installed on the upper side of the air inlet bent pipe 10, an air outlet 4 is arranged on the upper side of the heating steel barrel 8, heat insulation plates 6 are respectively wrapped on the outer sides of the heating steel barrel 8, an electromagnetic induction coil 7 is wound on the outer side of the heat insulation plates 6, and a heat conduction inner furnace core 21 is installed in the heating steel barrel 8, a contact hot guide post 9 is arranged in the heating steel barrel 8;
the utility model discloses a high-pressure cyclone furnace, including box shell 1, first cooling fan 3 is installed to the inside one side that just is located heating steel drum 8 of box shell 1, second cooling fan 15 is installed to the inside opposite side that just is located heating steel drum 8 of box shell 1, frequency conversion response full-bridge core 17 is installed to high-pressure cyclone furnace 13 upside, control panel display screen 16 is installed to frequency conversion response full-bridge core 17 one side, controller 22 is installed to control panel display screen 16 downside.
Wherein, install electron blast gate 12 on the air inlet return bend 10, conveniently control opening and closing of electron blast gate 12, 4 internally mounted of air outlet has first electron temperature controller 5, conveniently monitors the gaseous temperature in air outlet 4, 10 upsides of air inlet return bend are equipped with second electron temperature controller 11, conveniently monitor gaseous temperature in the air inlet return bend 10, 21 internally mounted of wick has third electron temperature controller 20 in the heat conduction, conveniently monitors gaseous temperature in the heat conduction in the wick 21, 1 upper end of box shell is equipped with the audible-visual annunciator, and when high-pressure cyclone furnace 13 and heating steel drum 8 trouble, the audible-visual annunciator can in time send reputation.
The controller 22 is wirelessly connected with a display terminal, the display terminal is specifically a control panel display screen 16 on the box body shell 1, and the controller 22 comprises a data primary inspection module, a data acquisition module, a fault analysis module, an alarm module and a database;
the data acquisition module is used for transmitting the wind power of the high-pressure cyclone furnace 13 and the temperature of the heating steel drum 8 to the data primary detection module; the data preliminary examination module is used for carrying out data preliminary examination on the wind power and the temperature sent to by the data acquisition module, and the specific preliminary examination process is as follows:
s1: acquiring a maximum bearing wind power value Fmax and a minimum bearing wind power value Fmin of the high-pressure cyclone furnace 13;
s2: setting a plurality of time points t, t being 1, … …, n, and acquiring the wind power value of the high-pressure cyclone furnace 13 according to the time points, thereby obtaining the wind power value Ft of the high-pressure cyclone furnace 13 corresponding to the time points;
s3: using formulas
Obtaining an average air force value FLp of the high-pressure cyclone furnace 13 during the operation period;
s4: if the average wind power value FLp of the high-pressure cyclone furnace 13 during the operation is within the range of the maximum bearing wind power value Fmax and the minimum bearing wind power value Fmin of the high-pressure cyclone furnace 13, the working state of the high-pressure cyclone furnace 13 is normal, a normal working signal is generated and sent to the controller 22, and otherwise, an abnormal working signal is generated and sent to the controller 22;
s5: acquiring a maximum bearing temperature value Wmax and a minimum temperature wind power value Wmin of the heating steel barrel 8;
s6: setting a plurality of time points t, t being 1, … …, n, and acquiring the temperature value of the heating steel barrel 8 according to the time points, thereby obtaining the temperature value Wt of the heating steel barrel 8 corresponding to the time points;
s7: using formulas
Obtaining an average temperature value WDp of the high-pressure cyclone furnace 13 during the operation period;
s8: if the average temperature value WDp of the heating steel barrel 8 during the operation period is within the range of the maximum bearing temperature value Wmax and the minimum temperature wind force value Wmin of the movement, the working state of the heating steel barrel 8 is normal, a normal working signal is generated and sent to the controller 22, otherwise, an abnormal working signal is generated and sent to the controller 22;
s9: the working normal signals and the working abnormal signals are displayed through the display terminal, and meanwhile the alarm module gives an alarm;
the alarm module is used for receiving fault information of the high-pressure cyclone furnace 13 and the heating steel barrel 8 and generating alarm sound, and is specifically an acousto-optic alarm on the box body shell 1; the fault analysis module is used for carrying out fault analysis on the high-pressure cyclone furnace 13 and the heating steel barrel 8.
The specific working process of the fault analysis module is as follows:
p1: when the fault analysis module receives the abnormal working signal sent by the data primary detection module, the fault analysis module starts working;
p2: acquiring the noise decibel of the high-pressure cyclone furnace 13 at the corresponding time point, and marking the noise decibel as Zt;
p3: acquiring a noise decibel maximum value Zmax and a noise decibel minimum value Zmin in noise decibels Zt of a plurality of time points;
p4: using formulas
Obtaining the average noise value ZYGp of the high-pressure cyclone furnace 13 during the operation period;
p5: in this way, the average noise value ZYJp of the heating steel barrel 8 in the running period is obtained;
p6: respectively obtaining wind force values FJ1t and FJ2t of time points corresponding to the first cooling fan 3 and the second cooling fan 15, and calculating to obtain an average wind force value FJ1p of the first cooling fan 3 and an average wind force value FJ2p of the second cooling fan 15;
p7: after the dequantization processing, the fault value GG of the high-pressure cyclone furnace 13 and the fault value JG of the heating steel drum 8 are calculated by using a formula, wherein the specific formula is as follows:
p8: comparing the fault value GG of the high-pressure cyclone furnace 13 and the fault value JG of the heating steel barrel 8 with a set threshold value;
p9: if the fault value exceeds the set threshold, a fault signal is generated and sent to the controller 22, otherwise no fault signal is generated.
The controller 22 is further configured to record the number of times of failure of the device, and generate a corresponding failure record table; the controller 22 further comprises a cycle inspection module, and the cycle inspection module is used for regularly inspecting the high-pressure cyclone furnace 13 and the heating steel barrel 8.
The controller 22 includes a maintenance allocation module, which is used for allocating maintenance tasks when the equipment is in failure, and the specific process is as follows:
SS 1: acquiring maintenance personnel in an idle state, classifying the maintenance personnel in the idle state as a candidate, and marking the candidate as i, i is 1, … …, n;
SS 2: acquiring the total equipment maintenance amount Wzi and the maintenance success amount Wci of the to-be-selected personnel, and calculating to obtain the maintenance success rate Wi of the to-be-selected personnel;
SS 3: acquiring the current maintenance task amount of the to-be-selected person, and marking the current maintenance task amount as Wri; obtaining the maintenance efficiency of the person to be selected, and marking the maintenance efficiency as Wxi; acquiring the maintenance time lengths of all equipment of the to-be-selected person, and calculating to obtain the average maintenance time length Wpti of the to-be-selected person by using a summation and averaging formula;
SS 4: and calculating a maintenance recommended value WTJ of the candidate by using a formula, wherein the specific formula is as follows:
SS 5: and acquiring the candidate three before the maintenance recommended value, and classifying the candidate as a preselected person j, j being 1, 2, 3:
SS 6: acquiring the working duration of a preselected person, and marking the working duration as Ej; obtaining the favorable rating of the person to be selected, and marking the favorable rating as Hj;
SS 7: obtaining the maintenance price of a preselected person, and marking the maintenance price as Pj; establishing a two-dimensional rectangular coordinate system by taking the equipment as an origin, and calculating a linear distance Dj between the person to be selected and the equipment by using a distance formula between two points;
SS 8: and calculating to obtain a maintenance value M by using a formula, wherein the specific calculation formula is as follows:
SS 9: and acquiring the person to be selected with the largest maintenance value, classifying the person to be selected as a maintenance person, and increasing the maintenance amount of the maintenance person once.
When the electromagnetic induction hot blast stove works, the electromagnetic induction hot blast stove is connected with the two sides of the high-pressure cyclone furnace 13 through the pipe-through connecting flange 19, the electronic air valve 12 is opened, under the action of the high-pressure cyclone furnace 13, outside air enters the heating steel drum 8 through the air inlet 14 and the air inlet bent pipe 10, the second electronic temperature controller 11 on the air inlet bent pipe 10 monitors the temperature of the gas, the electromagnetic induction coil 7 is electrified for heating, the air is heated in the heating steel drum 8, the third electronic temperature controller 20 monitors the temperature in the heating steel drum 8 in real time, after the heating is finished, the heated air is discharged through the air outlet 4, the first electronic temperature controller 5 in the air outlet 4 can monitor the temperature of the discharged gas, the design is convenient for converting outside air into hot air, real-time monitoring is carried out through the temperature of the air, and meanwhile the heat insulation plate 6 isolates the temperature of the heating steel barrel 8 to avoid temperature overflow;
the wind power and the temperature sent by the data acquisition module are subjected to data primary detection through the data primary detection module, the maximum bearing wind power value Fmax and the minimum bearing wind power value Fmin of the high-pressure cyclone furnace 13 are firstly obtained, then a plurality of time points t are set, the wind power value of the high-pressure cyclone furnace 13 is acquired according to the time points, so that the wind power value Ft of the high-pressure cyclone furnace 13 corresponding to the time points is obtained, and a formula is utilized
Obtaining an average wind force value FLp of the high-pressure cyclone furnace 13 during the operation, if the average wind force value FLp of the high-pressure cyclone furnace 13 during the operation is within the range of the maximum bearing wind force value Fmax and the minimum bearing wind force value Fmin of the high-pressure cyclone furnace 13, the working state of the high-pressure cyclone furnace 13 is normal, generating a normal working signal to be sent to the controller 22, otherwise generating an abnormal working signal to be sent to the controller 22; simultaneously obtaining the maximum bearing temperature value Wmax and the minimum temperature wind power value Wmin of the heating steel barrel 8, setting a plurality of time points t, collecting the temperature value of the heating steel barrel 8 according to the time points so as to obtain the temperature value Wt of the heating steel barrel 8 corresponding to the time points, and utilizing a formula
Obtaining the average temperature value WDp of the high-pressure cyclone furnace 13 during the operation period, if the average temperature value WDp of the heating steel barrel 8 during the operation period is within the range of the maximum bearing temperature value Wmax and the minimum temperature wind force value Wmin of the movement, the working state of the heating steel barrel 8 is normal, generating a normal working signal and sending the normal working signal to the controller 22, otherwise, generating an abnormal working signal and sending the abnormal working signal to the controller 22, and the normal working signal is sent to the controller 22The signal and the abnormal working signal are displayed through a display terminal, and an alarm module gives an alarm;
the fault analysis module is used for carrying out fault analysis on the high-pressure cyclone furnace 13 and the heating steel drum 8, when the fault analysis module receives abnormal working signals sent by the data primary detection module, the fault analysis module starts to work, firstly, the noise decibel of the high-pressure cyclone furnace 13 at a corresponding time point is obtained, the noise decibel is marked as Zt, the maximum noise decibel value Zmax and the minimum noise decibel value Zmin in the noise decibel Zt at a plurality of time points are obtained, and a formula is utilized
Obtaining an average noise value ZYGp of the high-pressure cyclone furnace 13 during the operation, obtaining an average noise value ZYJp of the heating steel barrel 8 during the operation by analogy, respectively obtaining wind force values FJ1t and FJ2t of the first cooling fan 3 and the second cooling fan 15 at corresponding time points, calculating to obtain an average wind force value FJ1p of the first cooling fan 3 and an average wind force value FJ2p of the second cooling fan 15, and after quantization processing, utilizing a formula
And calculating to obtain a fault value GG of the high-pressure cyclone furnace 13 and a fault value JG of the heating steel barrel 8, comparing the fault value GG of the high-pressure cyclone furnace 13 and the fault value JG of the heating steel barrel 8 with a set threshold, and if the fault values exceed the set threshold, generating a fault signal and sending the fault signal to the controller 22, otherwise, not generating the fault signal.
The above formulas are all quantitative calculation, the formula is a formula obtained by acquiring a large amount of data and performing software simulation to obtain the latest real situation, and the preset parameters in the formula are set by the technical personnel in the field according to the actual situation.
The preferred embodiments of the invention disclosed above are intended to be illustrative only. The preferred embodiments are not intended to be exhaustive or to limit the invention to the precise forms disclosed. Obviously, many modifications and variations are possible in light of the above teaching. The embodiments were chosen and described in order to best explain the principles of the invention and the practical application, to thereby enable others skilled in the art to best utilize the invention. The invention is limited only by the claims and their full scope and equivalents.
Claims (4)
1. Electromagnetic induction hot-blast furnace, including box shell (1), its characterized in that, install insulating board (2) in box shell (1) inner wall, box shell (1) internally mounted has high-pressure cyclone furnace (13), pipe-through flange (19) is installed to high-pressure cyclone furnace (13) bilateral symmetry, one side of high-pressure cyclone furnace (13) is connected with air intake (14) through pipe-through flange (19), the opposite side of high-pressure cyclone furnace (13) is connected with air inlet return bend (10) through pipe-through flange (19), furnace body stabilizing leg (18) are installed to air inlet return bend (10) downside, heating steel drum (8) is installed to air inlet return bend (10) upside, heating steel drum (8) upside is provided with air outlet (4), and heat insulating board (6) are all wrapped up in the outside of heating steel drum (8), air inlet return bend (10) and air outlet (4), an electromagnetic induction coil (7) is wound on the outer side of the heat insulation plate (6), a heat conduction inner furnace core (21) is installed inside the heating steel barrel (8), and a contact heat guide post (9) is installed inside the heating steel barrel (8);
a first cooling fan (3) is installed at one side, located on the heating steel barrel (8), inside the box shell (1), a second cooling fan (15) is installed at the other side, located on the heating steel barrel (8), inside the box shell (1), a variable frequency induction full-bridge core (17) is installed at the upper side of the high-pressure cyclone furnace (13), a control panel display screen (16) is installed at one side of the variable frequency induction full-bridge core (17), and a controller (22) is installed at the lower side of the control panel display screen (16);
the controller (22) is in wireless connection with a display terminal, the display terminal is a control panel display screen (16) on the box body shell (1), and the controller (22) comprises a data primary inspection module, a data acquisition module, a fault analysis module, an alarm module and a database;
the data acquisition module is used for transmitting wind power of the high-pressure cyclone furnace (13) and the temperature of the heating steel drum (8) to the data primary inspection module; the data preliminary examination module is used for carrying out data preliminary examination on the wind power and the temperature sent to by the data acquisition module, and the specific preliminary examination process is as follows:
s1: acquiring a maximum bearing wind force value Fmax and a minimum bearing wind force value Fmin of the high-pressure cyclone furnace (13);
s2: setting a plurality of time points t, t =1, … …, n, and acquiring the wind power value of the high-pressure cyclone furnace (13) according to the time points, so as to obtain the wind power value Ft of the high-pressure cyclone furnace (13) corresponding to the time points;
s3: using formulas
Obtaining an average air force value FLp of the high-pressure cyclone furnace (13) during the operation period;
s4: if the average wind force value FLp of the high-pressure cyclone furnace (13) in the operation period is within the range of the maximum wind bearing force value Fmax and the minimum wind bearing force value Fmin of the high-pressure cyclone furnace (13), the working state of the high-pressure cyclone furnace (13) is normal, a normal working signal is generated and sent to the controller (22), and otherwise, an abnormal working signal is generated and sent to the controller (22);
s5: acquiring a maximum bearing temperature value Wmax and a minimum temperature wind power value Wmin of a heating steel barrel (8);
s6: setting a plurality of time points t, t =1, … …, n, and acquiring the temperature value of the heating steel barrel (8) according to the time points, so as to obtain the temperature value Wt of the heating steel barrel (8) corresponding to the time points;
s7: using formulas
Obtaining an average temperature value WDp of the high-pressure cyclone furnace (13) during the operation period;
s8: if the average temperature value WDp of the heating steel barrel (8) in the operation period is within the range of the maximum bearing temperature value Wmax and the minimum temperature wind force value Wmin of movement, the working state of the heating steel barrel (8) is normal, a normal working signal is generated and sent to the controller (22), otherwise, an abnormal working signal is generated and sent to the controller (22);
s9: the working normal signals and the working abnormal signals are displayed through the display terminal, and meanwhile the alarm module gives an alarm;
the alarm module is used for receiving fault information of the high-pressure cyclone furnace (13) and the heating steel barrel (8) and generating alarm sound, and is particularly an acousto-optic alarm on the box body shell (1); the fault analysis module is used for carrying out fault analysis on the high-pressure cyclone furnace (13) and the heating steel barrel (8).
2. The electromagnetic induction hot blast stove according to claim 1, characterized in that the air inlet elbow (10) is provided with an electronic air valve (12), the air outlet (4) is internally provided with a first electronic temperature controller (5), the upper side of the air inlet elbow (10) is provided with a second electronic temperature controller (11), the heat conducting inner furnace core (21) is internally provided with a third electronic temperature controller (20), and the upper end of the box body shell (1) is provided with an acousto-optic alarm.
3. The electromagnetic induction hot blast stove according to claim 1, characterized in that the specific working process of the fault analysis module is as follows:
p1: when the fault analysis module receives the abnormal working signal sent by the data primary detection module, the fault analysis module starts working;
p2: acquiring the noise decibel of the high-pressure cyclone furnace (13) at the corresponding time point, and marking the noise decibel as Zt;
p3: acquiring a noise decibel maximum value Zmax and a noise decibel minimum value Zmin in noise decibels Zt of a plurality of time points;
p4: using formulas
Obtaining the average noise value ZYGp of the high-pressure cyclone furnace (13) during the operation period;
p5: in the same way, the average noise value ZYJp of the heating steel barrel (8) in the running period is obtained;
p6: respectively acquiring wind power values FJ1t and FJ2t of the first cooling fan (3) and the second cooling fan (15) at corresponding time points, and calculating to obtain an average wind power value FJ1p of the first cooling fan (3) and an average wind power value FJ2p of the second cooling fan (15);
p7: after the dequantization processing, the fault value GG of the high-pressure cyclone furnace (13) and the fault value JG of the heating steel barrel (8) are calculated by using a formula, wherein the specific formula is as follows:
p8: comparing a fault value GG of the high-pressure cyclone furnace (13) and a fault value JG of the heating steel barrel (8) with a set threshold value;
p9: if the fault value exceeds the set threshold, a fault signal is generated and sent to the controller (22), otherwise no fault signal is generated.
4. The induction hot blast stove according to claim 1, wherein the controller (22) is further configured to record the number of failures of the equipment and generate a corresponding failure log; the controller (22) further comprises a periodic inspection module, and the periodic inspection module is used for regularly inspecting the high-pressure cyclone furnace (13) and the heating steel barrel (8).
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