CN105177629A - Aluminum electrolysis leaking tank detection method based on wireless leaking tank monitoring device - Google Patents
Aluminum electrolysis leaking tank detection method based on wireless leaking tank monitoring device Download PDFInfo
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- CN105177629A CN105177629A CN201510728649.XA CN201510728649A CN105177629A CN 105177629 A CN105177629 A CN 105177629A CN 201510728649 A CN201510728649 A CN 201510728649A CN 105177629 A CN105177629 A CN 105177629A
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- temperature
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Abstract
The invention discloses an aluminum electrolysis leaking tank detection method based on a leaking tank monitoring device and belongs to the field of aluminum electrolysis tank monitoring. According to the method, collected temperature is dynamically compensated for according to the collected aluminum electrolysis tank temperature value and the aluminum electrolysis tank temperature change tendency so that a system can accurately prejudge the temperature adjustment amount, the temperature in the aluminum electrolysis process is effectively monitored, temperature measurement accuracy and stability are improved, leakage conditions of all points of an aluminum electrolysis tank body can be monitored in real time more accurately and effectively, and the quality of aluminum electrolysis work is guaranteed. Meanwhile, influences of interference data are greatly eliminated, and thus adaptability of the temperature monitoring method in different aluminum electrolysis environments is guaranteed. At the same time, the leakage conditions of the points of the aluminum electrolysis tank body can be monitored in real time according to the temperatures of the points of the electrolysis tank body and the change in unit time, and accuracy and effectiveness of detection of leakage of the aluminum electrolysis tank are further improved.
Description
Technical field
The invention belongs to aluminium cell monitoring field, particularly relate to a kind of electrolysis of aluminum bakie detection method based on bakie monitoring device.
Background technology
In current electrolysis of aluminum industry, metallic aluminium is obtained through electrolysis by aluminum oxide, when electrolytic aluminum, aluminum oxide is in electrolyzer, in electrolyzer, temperature is very high, reaches thousands of degree, because electrolyzer adds that refractory brick is built into by negative electrode, after for some time, there is bakie phenomenon by causing some places of electrolyzer.If there is bakie, will cause this electrolyzer cisco unity malfunction, must keep in repair, electrolyzer can not carry out electrolytic aluminum work, production declining on the one hand, and on the other hand owing to will carry out the maintenance of electrolyzer, financial loss is larger; In addition, execute-in-place workman also may be caused to occur injures and deaths.Therefore, very important in the leakage of the online real-time prediction electrolyzer of potroom energy, due to when electrolytic aluminum, the thousands of degree of temperatures as high in groove, therefore want cannot realize from electrolyte bath real-time monitored leakage situation, existing do not have one aluminium cell bakie detection method accurately and effectively at present at all.
Summary of the invention
Because the above-mentioned defect of prior art, technical problem to be solved by this invention is to provide one aluminium cell bakie detection method accurately and effectively.
For achieving the above object, the invention provides a kind of electrolysis of aluminum bakie detection method based on wireless bakie monitoring device, described wireless bakie monitoring device comprises temperature sensor, electricity capacity separation sensor, treater, display unit, combined aural and visual alarm and power module, the output terminal of described temperature sensor connects the input terminus of described electricity capacity separation sensor, the input terminus of the output terminal connection handling device of described electricity capacity separation sensor, first output terminal of described treater connects the input terminus of described display unit, second output terminal of described treater connects the input terminus of described combined aural and visual alarm by alarm drive circuit, described treater has been bi-directionally connected the first radio receiving transmitting module, described first radio receiving transmitting module carries out data interaction by wireless signal and the second radio receiving transmitting module, described second radio receiving transmitting module and upper computer are bi-directionally connected, described power module is powered to described electricity capacity separation sensor, treater, display unit, alarm drive circuit, combined aural and visual alarm and the first radio receiving transmitting module,
Electrolysis of aluminum bakie detection method is carried out according to the following steps:
Step one, on aluminium cell cell body set temperature sensor, set the monitoring time of described temperature sensor;
Step 2, gather aluminium electrolysis cell temperature by temperature sensor, described temperature sensor sends the temperature value that collects to treater by described electricity capacity separation sensor; Setting the temperature value collected is Q
t, described t is positive integer;
Step 3, acquisition significant temp ordered series of numbers;
Setting effective judgment value is P
a, setting judgment threshold is R; Calculate P
a=Q
a-Q
a-1obtain P
a; Judge whether P
a>=R, works as P
aduring>=R, by Q
adelete; Work as P
aduring < R, by Q
astored in significant temp ordered series of numbers; 2≤a≤t and a is integer; Described R > 0; Set described significant temp ordered series of numbers as { M
b, described b is positive integer;
Step 4, accounting temperature compensating parameter;
Setting described temperature compensation parameter is N
c, calculate
obtain temperature compensation parameter N
c; Described M
c∈ { M
band c>=3, c are integer;
Step 5, to { M
ccarry out temperature compensation;
Temperature value after setting compensation is Z
c, calculate
Obtain Z
c;
Step 6, described treater are by the temperature value Z after compensation
cdescribed upper computer is sent to by the first radio receiving transmitting module and the second radio receiving transmitting module.
Adopt above technical scheme, filtering is carried out to the temperature value collected, effectively can overcome the fluctuation interference that accidental factor causes, for follow-up data processing provides temperature collecting cell value accurately.Then by accounting temperature compensating parameter, the temperature value collected is compensated, the temperature deviation collected due to traditional aluminium cell cell body is large and dynamic response is poor, the trend of temperature variation is lacked and considers, therefore must compensate temperature, the temperature compensation parameter adopting the technical program to obtain and compensation way, can compensate collecting temperature according to the temperature value collected and aluminium electrolysis cell temperature variation tendency dynamically, make system can accurately anticipation temperature regulated quantity, effectively to monitor the temperature of aluminium electrolysis process, improve accuracy and the stability of thermometric, can more accurately and effectively Real-Time Monitoring electrolytic cell body each point occur leakage situation, ensure that the quality of electrolysis of aluminum work, simultaneously owing to largely eliminating the impact of interfering data, ensure that the adaptability of this temperature monitoring method in different aluminum electrolytic environments.
Preferably, aluminium cell cell body is provided with u temperature sensor, the temperature value of u point is Tu, and in the setting unit time, u point temperature change value is A
u,
described u is positive integer, and v is the sampling time;
From A
1start, judge in the unit time, whether each temperature change value is less than the set(ting)value of its temperature variation in the unit time, until each temperature change value has all compared in the unit time; Meanwhile, from T
1start, judge whether the temperature value of aluminium cell cell body each point is less than the desired temperature of aluminium cell cell body each point, until the temperature value of all points of aluminium cell cell body has all compared; When the temperature value of set(ting)value or aluminium cell cell body each point that temperature change value each in the unit time is more than or equal to its temperature variation in the unit time is more than or equal to the desired temperature of aluminium cell cell body each point, output signal of processor makes it drive described combined aural and visual alarm to report to the police to described alarm drive circuit.Due to the present invention according to the temperature level of cell body each point and the change within the unit time come Real-Time Monitoring electrolytic cell body each point occur leakage situation, further improve aluminium cell bakie monitoring accuracy and validity.
Further, when the temperature value of set(ting)value or aluminium cell cell body each point that temperature change value each in the unit time is more than or equal to its temperature variation in the unit time is more than or equal to the desired temperature of aluminium cell cell body each point, treater sends data to described display unit, and described display unit display alarm is pointed out.
Further, treater is also comprised by the temperature value Z after compensation
cthe described display unit that sends to carry out the step shown.
Further, the step of described processor memory fault self-checking is also comprised; When failures are detected, described treater sends a signal to described alarm drive circuit makes it drive described combined aural and visual alarm to report to the police, and simultaneous processor sends data to described display unit, and described display unit display alarm is pointed out.
Further, the step of described processor A/D function self-inspection is also comprised; When failures are detected, described treater sends a signal to described alarm drive circuit makes it drive described combined aural and visual alarm to report to the police, and simultaneous processor sends data to described display unit, and described display unit display alarm is pointed out.
Owing to adding the self-inspection of treater internal fault, the work-ing life of bakie monitoring device can be improved and ensure that accuracy and the stability of aluminium cell bakie detection method.
The invention has the beneficial effects as follows: the present invention can compensate collecting temperature according to the aluminium cell temperature value collected and aluminium cell temperature changing trend dynamically, make system can accurately anticipation temperature regulated quantity, effectively to monitor the temperature of aluminium electrolysis process, improve accuracy and the stability of thermometric, can more accurately and effectively Real-Time Monitoring electrolytic cell body each point occur leakage situation, ensure that the quality of electrolysis of aluminum work, simultaneously owing to largely eliminating the impact of interfering data, ensure that the adaptability of this temperature monitoring method in different aluminum electrolytic environments.The present invention simultaneously carrys out the leakage situation of Real-Time Monitoring electrolytic cell body each point appearance according to the temperature level of cell body each point and the change within the unit time, further improves the accurate and effective of aluminium cell bakie.
Accompanying drawing explanation
Fig. 1 is the circuit theory schematic diagram of bakie monitoring device.
Fig. 2 is schematic flow sheet of the present invention.
Embodiment
Below in conjunction with drawings and Examples, the invention will be further described:
As shown in Figure 1, wireless bakie monitoring device comprises temperature sensor 1, electricity capacity separation sensor 2, treater 3, display unit 4, combined aural and visual alarm 5 and power module 6, the output terminal of described temperature sensor 1 connects the input terminus of described electricity capacity separation sensor 2, the input terminus of the output terminal connection handling device 3 of described electricity capacity separation sensor 2, first output terminal of described treater 3 connects the input terminus of described display unit 4, second output terminal of described treater 3 connects the input terminus of described combined aural and visual alarm 5 by alarm drive circuit 7, described treater 3 has been bi-directionally connected the first radio receiving transmitting module 8, described first radio receiving transmitting module 8 carries out data interaction by wireless signal and the second radio receiving transmitting module 9, described second radio receiving transmitting module 9 is bi-directionally connected with upper computer 10, described power module 6 is powered to described electricity capacity separation sensor 2, treater 3, display unit 4, alarm drive circuit 7, combined aural and visual alarm 5 and the first radio receiving transmitting module 8.In above technical scheme, by the mode of transmission over radio, the temperature after process is sent to upper computer, avoid the wiring trouble of aluminium electrolysis shop, improve the convenience of electrolysis of aluminum bakie monitoring, meanwhile, this device also can carry out the alarm timely and effectively of aluminium cell bakie at the scene.
As shown in Figure 2, electrolysis of aluminum bakie detection method is carried out according to the following steps:
Step one, on aluminium cell cell body set temperature sensor 1, set the monitoring time of described temperature sensor 1;
Step 2, gather aluminium electrolysis cell temperature by temperature sensor 1, described temperature sensor 1 sends the temperature value that collects to treater 3 by described electricity capacity separation sensor 2; Setting the temperature value collected is Q
t, described t is positive integer;
Step 3, acquisition significant temp ordered series of numbers;
Setting effective judgment value is P
a, setting judgment threshold is R; Calculate P
a=Q
a-Q
a-1obtain P
a; Judge whether P
a>=R, works as P
aduring>=R, by Q
adelete; Work as P
aduring < R, by Q
astored in significant temp ordered series of numbers; 2≤a≤t and a is integer; Described R > 0; Set described significant temp ordered series of numbers as { M
b, described b is positive integer;
Step 4, accounting temperature compensating parameter;
Setting described temperature compensation parameter is N
c, calculate
obtain temperature compensation parameter N
c; Described M
c∈ { M
band c>=3, c are integer;
Step 5, to { M
ccarry out temperature compensation;
Temperature value after setting compensation is Z
c, calculate
Obtain Z
c;
Step 6, described treater 3 are by the temperature value Z after compensation
cdescribed upper computer 10 is sent to by the first radio receiving transmitting module 8 and the second radio receiving transmitting module 9.
In step 7, the present embodiment, the temperature value that aluminium cell cell body is provided with u temperature sensor 1, u point is Tu, and in the setting unit time, u point temperature change value is A
u,
described u is positive integer, and v is the sampling time.
From A
1start, judge in the unit time, whether each temperature change value is less than the set(ting)value of its temperature variation in the unit time, until each temperature change value has all compared in the unit time; Meanwhile, from T
1start, judge whether the temperature value of aluminium cell cell body each point is less than the desired temperature of aluminium cell cell body each point, until the temperature value of all points of aluminium cell cell body has all compared; When the temperature value of set(ting)value or aluminium cell cell body each point that temperature change value each in the unit time is more than or equal to its temperature variation in the unit time is more than or equal to the desired temperature of aluminium cell cell body each point, treater 3 outputs signal to described alarm drive circuit 7 makes it drive described combined aural and visual alarm 5 to report to the police, simultaneously, treater 3 sends data to described display unit 4, and described display unit 4 display alarm is pointed out; Otherwise return execution step 2.
Step 8, treater 3 are by the temperature value Z after compensation
cthe described display unit 4 that sends to carry out the step shown.
Step 9, the self-inspection of treater 3 memory failure; When failures are detected, described treater 3 sends a signal to described alarm drive circuit 7 makes it drive described combined aural and visual alarm 5 to report to the police, and simultaneous processor 3 sends data to described display unit 4, and described display unit 4 display alarm is pointed out.
The step of step 10, the self-inspection of treater 3A/D function; When failures are detected, described treater 3 sends a signal to described alarm drive circuit 7 makes it drive described combined aural and visual alarm 5 to report to the police, and simultaneous processor 3 sends data to described display unit 4, and described display unit 4 display alarm is pointed out.
Electrolyzer is in normal work, electrolyte bath reaches certain temperature balance, thus form the thermal equilibrium of electrolytic cell body, when cell body somewhere occurrence temperature variation abnormality, the present invention compares judgement according to the temperature anomaly situation at this place and this place's temperature variation size, whether the temperature simultaneously around detected temperatures exception also has unusual phenomenon, when there are abnormal conditions, treater 3 outputs signal to described alarm drive circuit 7 makes it closed to carry out alarm, due to the temperature change value in the aluminium cell unit time and temperature anomaly point adjacent while detect, therefore judge that the bakie situation of aluminium cell is more accurate.
More than describe preferred embodiment of the present invention in detail.Should be appreciated that those of ordinary skill in the art just design according to the present invention can make many modifications and variations without the need to creative work.Therefore, all technician in the art, all should by the determined protection domain of claims under this invention's idea on the basis of existing technology by the available technical scheme of logical analysis, reasoning, or a limited experiment.
Claims (6)
1. based on an electrolysis of aluminum bakie detection method for wireless bakie monitoring device, it is characterized in that: described wireless bakie monitoring device comprises temperature sensor (1), electricity capacity separation sensor (2), treater (3), display unit (4), combined aural and visual alarm (5) and power module (6), the output terminal of described temperature sensor (1) connects the input terminus of described electricity capacity separation sensor (2), the input terminus of the output terminal connection handling device (3) of described electricity capacity separation sensor (2), first output terminal of described treater (3) connects the input terminus of described display unit (4), second output terminal of described treater (3) connects the input terminus of described combined aural and visual alarm (5) by alarm drive circuit (7), described treater (3) has been bi-directionally connected the first radio receiving transmitting module (8), described first radio receiving transmitting module (8) carries out data interaction by wireless signal and the second radio receiving transmitting module (9), described second radio receiving transmitting module (9) and upper computer (10) are bi-directionally connected, described power module (6) is powered to described electricity capacity separation sensor (2), treater (3), display unit (4), alarm drive circuit (7), combined aural and visual alarm (5) and the first radio receiving transmitting module (8),
Electrolysis of aluminum bakie detection method is carried out according to the following steps:
Step one, on aluminium cell cell body set temperature sensor (1), set the monitoring time of described temperature sensor (1);
Step 2, gather aluminium electrolysis cell temperature by temperature sensor (1), described temperature sensor (1) sends the temperature value that collects to treater (3) by described electricity capacity separation sensor (2); Setting the temperature value collected is Q
t, described t is positive integer;
Step 3, acquisition significant temp ordered series of numbers;
Setting effective judgment value is P
a, setting judgment threshold is R; Calculate P
a=Q
a-Q
a-1obtain P
a; Judge whether P
a>=R, works as P
aduring>=R, by Q
adelete; Work as P
aduring < R, by Q
astored in significant temp ordered series of numbers; 2≤a≤t and a is integer; Described R > 0; Set described significant temp ordered series of numbers as { M
b, described b is positive integer;
Step 4, accounting temperature compensating parameter;
Setting described temperature compensation parameter is N
c, calculate
obtain temperature compensation parameter N
c; Described M
c∈ { M
band c>=3, c are integer;
Step 5, to { M
ccarry out temperature compensation;
Temperature value after setting compensation is Z
c, calculate
Obtain Z
c;
Step 6, described treater (3) are by the temperature value Z after compensation
cdescribed upper computer (10) is sent to by the first radio receiving transmitting module (8) and the second radio receiving transmitting module (9).
2. as claimed in claim 1 based on the electrolysis of aluminum bakie detection method of wireless bakie monitoring device, it is characterized in that: on aluminium cell cell body, be provided with u temperature sensor (1), the temperature value of u point is Tu, and in the setting unit time, u point temperature change value is A
u,
described u is positive integer, and v is the sampling time;
From A
1start, judge in the unit time, whether each temperature change value is less than the set(ting)value of its temperature variation in the unit time, until each temperature change value has all compared in the unit time successively; Meanwhile, from T
1start, judge whether the temperature value of aluminium cell cell body each point is less than the desired temperature of aluminium cell cell body each point, until the temperature value of all points of aluminium cell cell body has all compared; When the temperature value of the set(ting)value or aluminium cell cell body any point that are more than or equal to its temperature variation in the unit time when there being temperature change value in the unit time is more than or equal to the desired temperature of aluminium cell cell body each point, treater (3) outputs signal to described alarm drive circuit (7) makes it drive described combined aural and visual alarm (5) to report to the police.
3. the electrolysis of aluminum bakie detection method based on wireless bakie monitoring device according to claim 2, it is characterized in that: when the temperature value of the set(ting)value or aluminium cell cell body any point that are more than or equal to its temperature variation in the unit time when there being temperature change value in the unit time is more than or equal to the desired temperature of aluminium cell cell body each point, treater (3) sends data to described display unit (4), and described display unit (4) display alarm is pointed out.
4. the electrolysis of aluminum bakie detection method based on wireless bakie monitoring device according to claim 1,2 or 3, is characterized in that: also comprise treater (3) by the temperature value Z after compensation
cthe described display unit (4) that sends to carry out the step shown.
5., as claimed in claim 4 based on the electrolysis of aluminum bakie detection method of wireless bakie monitoring device, it is characterized in that: the step also comprising described treater (3) memory failure self-inspection; When failures are detected, described treater (3) sends a signal to described alarm drive circuit (7) makes it drive described combined aural and visual alarm (5) to report to the police, simultaneous processor (3) sends data to described display unit (4), and described display unit (4) display alarm is pointed out.
6. the electrolysis of aluminum bakie detection method based on wireless bakie monitoring device according to claim 4, is characterized in that: the step also comprising the self-inspection of described treater (3) A/D function; When failures are detected, described treater (3) sends a signal to described alarm drive circuit (7) makes it drive described combined aural and visual alarm (5) to report to the police, simultaneous processor (3) sends data to described display unit (4), and described display unit (4) display alarm is pointed out.
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JP2004037139A (en) * | 2002-07-01 | 2004-02-05 | Omron Corp | Temperature measuring system and temperature regulator |
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Application publication date: 20151223 |