CN201686713U - Fault diagnosis forecasting system for furnace top (without charging bell) of blast furnace - Google Patents
Fault diagnosis forecasting system for furnace top (without charging bell) of blast furnace Download PDFInfo
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- CN201686713U CN201686713U CN2010201400545U CN201020140054U CN201686713U CN 201686713 U CN201686713 U CN 201686713U CN 2010201400545 U CN2010201400545 U CN 2010201400545U CN 201020140054 U CN201020140054 U CN 201020140054U CN 201686713 U CN201686713 U CN 201686713U
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- furnace
- detecting device
- furnace top
- gear
- displacement sensor
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Abstract
The utility model provides a fault diagnosis forecasting system for a furnace top (without a charging bell) of a blast furnace, which is used for realizing on-line detection and monitoring the running state of a material distributor of the furnace top. A large amount of historical data stored in a computer database is used for analyzing not only the heat/pressure bearing condition at each position of the material distributor through programming, but also the weighing condition of a discharging tank of the furnace top and the running vibration condition of the material distributor when in material distribution. A furnace temperature detecting device, a furnace pressure detecting device, a displacement value detecting device between a gearwheel disc and a relatively-static gearbox shell body, and a weighing detecting device of the discharging tank of the furnace top are arranged on the material distributor of the furnace top of the blast furnace. The fault diagnosis forecasting system can carry out long-time diagnosis and analysis on the running state of the material distributor, so as to realize fault preprocessing or conclude the overhaul period of a gearbox, thereby preventing over-reparation or dis-reparation and greatly reducing the production running cost; moreover, the utility model provides a feasible and specific implementation method and solves the difficult problem that a displacement value between the gearwheel disc and the relatively-static gearbox shell body in the enclosed furnace cannot be detected and output in the previous time.
Description
Technical field
The utility model is that a kind of blast furnace bell-less furnace roof is called for short charging in bell-less top device failure diagnosis forecasting system, be a kind of the furnace top distributing gear operating parameter is detected in real time and calculates, by computer each service data is set up database, set up mathematical model each parameter is followed the tracks of contrast, realize the charging in bell-less top of blast furnace device is carried out the system of real time and on line monitoring.
Background technology
Blast-furnace top distributing device is the key equipment that the blast furnace ordinary production is carried out reasonable cloth.Its major function is to realize the rotation and the function of fascinating of top charging material re-detection and cloth slide mouth, and reach omnibearing reasonable cloth effect, the material re-detection: the material that detects every batch of required material is heavy; Spinfunction: the mouth of realizing slipping rotates the 0--360 degree in the horizontal direction, and 7.5s revolves the speed slow running of the 0.133HZ that turns around; The function of fascinating: realize slipping mouth at the action 0--75 of vertical direction degree; the rotation and the action of fascinating all realize by the toothing of different modes in external rotating machine and the tilting motor driving wheel casing; wheel casing inside is filled with a large amount of lubricating oil; long-time running will inevitably produce corresponding wearing and tearing; or enter little foreign matter and may cause wheel casing to produce fault; must in time find to shut down maintenance; otherwise the extension that causes the accident; to need the turnaround be 15 days and change wheel casing, has a strong impact on the blast furnace ordinary production.
For equipment point-detecting, the wheel casing spot check is finished for 1 time by operative employee's per tour spot check at present, and wheel casing is installed in the blast furnace furnace roof, and belong to the coal gas zone, spot check equipment is relatively more dangerous, the drawback of hand inspection and judgement: 1, the operative employee rests on the coal gas regional work for a long time, has very big personnel safety hidden danger; 2, hand inspection can only the inspection of property performance period, can not in time find fault; 3, artificial judgment lacks the comparative of science, effectively the analysis of failure phenomenon.The utility model gordian technique is to adopt rational measuring element to carry out the real-time check and analysis of maintenance parameters to airtight large-scale transmission mechanism, by computer the displacement vibration parameters is carried out real time and on line monitoring and solves this technical barrier.
Summary of the invention
The utility model is at the existing in prior technology shortcoming, and provide a kind of the furnace top distributing gear operating parameter is detected in real time and calculates, by computer each service data is set up database, set up mathematical model each parameter is followed the tracks of contrast, realization is carried out real time and on line monitoring and to the heavy monitoring in real time of the material in the furnace roof blanking tank, is realized the technical scheme of blast furnace bell-less furnace top failure diagnosis forecasting system the charging in bell-less top of blast furnace device.
The utility model is realized by following system measure: a kind of blast furnace bell-less furnace top failure diagnosis forecasting system is provided with shift value proofing unit and furnace roof blanking tank weighing detection device between temperature-detecting device in the stove, furnace pressure proofing unit, master wheel disk and the relative stationary gear tank shell on blast-furnace top distributing device;
Temperature-detecting device is used to detect temperature in the stove in the described stove;
Described furnace pressure proofing unit is used to detect furnace pressure;
The material that described furnace roof blanking tank weighing detection device is used to detect in the furnace roof blanking tank is heavy;
Described master wheel disk and shift value proofing unit between the relative stationary gear tank shell are master wheel disk and the relative horizontal shifts between the gear box casing that produces when being fixedly mounted on the displacement sensor detection of gear case fault rotation on the gear box casing and are sent on the PLC that the displacement that calculates in the unit time by PLC draws vibration values;
The shift value proofing unit and the blanking tank weighing detection device of described temperature-detecting device, pressure-detecting device, the relative stationary gear tank shell of master wheel disk all are connected with data collector, and data collector is connected with computer and stores the data of being gathered in Computer Database;
Temperature in the described detected stove, pressure, material weight average in vibration values and the furnace roof blanking tank is stored in the Computer Database, by being heated of computer programming analytical furnace each position of top distributor, the pressurized situation, and the operational shock situation of weigh during cloth situation and distributor, according to the temperature of setting in the computer, pressure, material in the furnace roof blanking tank heavily reaches the alarm threshold value of vibration values, pattern when the pattern during with new installation or steady running is standard jig and operation carries out real-time comparative analysis, carry out visual programming again, realize computer automatic diagnosis output, realize the failure diagnosis forecasting function.
Concrete characteristics of the present utility model also have, above-mentioned displacement sensor is installed in the following way, in the perforate of gear box casing outer wall, the flange of welding band internal thread, there are outer silk of adjustable expansion pipe and the sealing of flange internal thread to install, adjustable expansion pipe end is provided with internal thread and the hermetically sealed displacement sensor that is equipped with, the displacement sensor lead leads to PLC through adjustable expansion pipe center, displacement sensor probe is over against gear disk, be sent among the PLC with relative displacement signal static probe the master wheel disk, the displacement that calculates in the unit time by PLC draws vibration values, is stored in the Computer Database.
Wherein, adjustable expansion pipe external end is equipped with circular oil wiper.
The beneficial effect of this programme can be learnt according to the narration to such scheme, the utility model is realized the running status of the wheel casing of online detection and monitoring furnace top distributing gear, store the low-frequency vibration data of a large amount of historical wheel casing operations and various pressure, temperature data, can carry out secular diagnosis and analysis to running state of gear box, realize the fault pre-treatment, or the turnaround of summary wheel casing, prevented to repair or phenomenon in bad repair, reduce the production run cost greatly.
Operational shock situation and during cloth weigh situation blanking tank in of the utility model by being heated of each position of real-time online Analysis of programming distributor, pressurized situation and distributor, can carry out secular diagnosis and analysis to the distributor running status, realize the fault pre-treatment.
Description of drawings
Fig. 1 is the workflow diagram of the utility model embodiment.
Fig. 2 is the mounting structure synoptic diagram of the utility model embodiment.
Fig. 3 is the mounting structure synoptic diagram of displacement sensor in the utility model embodiment.
Among the figure, 1, the center trunnion, 2, upper flume, 3, large gear ring, 4, the master wheel disk, 5, gearbox pinion, 6, flange, 7, sealing-ring, 8, adjustable expansion pipe, 9, displacement sensor lead, 10, adjustable expansion pipe handle, 11, displacement sensor, 12, gear box casing, 13, oil wiper, 14, wheel casing, 15, PLC.
Embodiment
For clearly demonstrating system's characteristics of this programme,, this programme is set forth below by an embodiment.
A kind of blast furnace bell-less furnace top failure diagnosis forecasting system, it is except the proofing unit of conventional equipment, its main utility model is, shift value proofing unit and furnace roof blanking tank weighing detection device between temperature-detecting device in the stove, furnace pressure proofing unit master wheel disk and the relative stationary gear tank shell are set on blast-furnace top distributing device;
Wherein, temperature-detecting device is used to detect the interior temperature of stove in the stove, the furnace pressure proofing unit is used to detect furnace pressure; The material that furnace roof blanking tank weighing detection device is used to detect in the furnace roof blanking tank is heavy; These three proofing units and installation thereof all can be adopted existing techniques in realizing, and the obtain manner of its parameter also is a prior art.Master wheel disk 4 and shift value proofing unit between the relative stationary gear tank shell 12 are master wheel disk 4 and the relative horizontal shifts between the gear box casing 12 that produces when rotating by displacement sensor detection of gear case fault and are sent on the PLC that the displacement that calculates in the unit time by PLC draws vibration values;
Described temperature-detecting device, pressure-detecting device, the shift value proofing unit of the relative stationary gear tank shell of master wheel disk, blanking tank weighing detection device all are connected with data collector, and data collector is connected with computer and stores the data of being gathered in Computer Database;
Temperature in the described detected stove, pressure, material weight average in vibration values and the furnace roof blanking tank is stored in the Computer Database, by being heated of computer programming analytical furnace each position of top distributor, the pressurized situation, and the operational shock situation of weigh during cloth situation and distributor, according to the temperature of setting in the computer, pressure, the alarm threshold value that material in vibration values and the furnace roof blanking tank is heavy, pattern when the pattern during with new installation or steady running is standard jig and operation carries out real-time comparative analysis, carry out visual programming again, realize computer automatic diagnosis output, realize the failure diagnosis forecasting function.
Its major function of blast furnace bellless furnace top distributing gear is to realize expecting in the furnace roof blanking tank rotation and the function of fascinating of re-detection and cloth slide mouth, reach omnibearing reasonable cloth effect, the rotation and the action of fascinating all realize by the toothing of different modes in external rotating machine and the tilting motor driving wheel casing, the wheel casing operation is to horizontally rotate around center trunnion 1 axle center, the tilting motor driving gearbox pinion 5 of fascinating, the gearbox pinion of fascinating drives the wheel casing 14 that fascinates and does the vertical direction operation, and the heat that the mechanical friction operation produces cools off by the recirculated water of upper flume 2.Master wheel disk 4 and large gear ring 3 coaxial rotations, master wheel disk 4 is static with respect to circular gear tank shell 12, the master wheel disk 4 that produces during the gearbox fault rotation is with respect to gear box casing 12 horizontal shifts, detect by the displacement sensor 11 that is fixedly mounted on the gear housing housing 12, be sent on the PLC15 through displacement sensor lead 9, displacement in the PLC15 Units of Account time draws vibration values, and storage is carried out monitoring analysis by visual programming on computers.As shown in Figure 2, because wheel casing is an encloses container, displacement sensor 11 necessary airtight installations, therefore at the flange 6 of gear box casing 12 perforate mounting strap internal threads, displacement sensor 11 is installed in adjustable expansion pipe 8 ends of hollow, detect the shift value of master wheel disk with respect to gear box casing 12 over against master wheel disk 4, displacement sensor lead 9 is drawn gear box casing 12 through adjustable expansion pipe 8 centers, and displacement sensor 11 seals the realization obturation effect by sealing-ring 7.Wheel casing is realized exercises by various gears, geartransmission needs a lot of lubricating oil, wherein also comprise master wheel disk 4, therefore at the adjustable expansion pipe 8 terminal outside circular oil wipers 13 of installing, as Fig. 2, shown in Figure 3, can guarantee displacement sensor 11 works better like this, regulate adjustable expansion pipe 8 positions, realize that airtight gear box casing regulates the reference position of displacement sensor 11 outward by adjustable expansion pipe handle 10.
The beneficial effects of the utility model are: realize online examination and controlling furnace top distributing gear running status, the a large amount of historical data of storage in the Computer Database, the situation of weighing when the operational shock situation of being heated of each position of Analysis of programming distributing device, pressurized situation and distributing device and cloth in the blanking tank, can carry out long-term diagnosis and analysis to the distributing device running status, the realization Fault Pre is processed, or the time between overhauls(TBO) of summary gear-box, prevented from repairing or phenomenon in bad repair, greatly reduce the production run cost. And the utility model solved in the past and the shift value between the gear wheel disk in the closed furnace and the relative stationary gear tank shell can't have been detected the difficult problem of output, and a practicable specific embodiment is provided.
Claims (3)
1. blast furnace bell-less furnace top failure diagnosis forecasting system, it is characterized in that, on blast-furnace top distributing device, mainly be provided with shift value proofing unit and furnace roof blanking tank weighing detection device between temperature-detecting device in the stove, furnace pressure proofing unit master wheel disk and the relative stationary gear tank shell;
Temperature-detecting device is used to detect temperature in the stove in the described stove;
Described furnace pressure proofing unit is used to detect furnace pressure;
The material that described furnace roof blanking tank weighing detection device is used to detect in the furnace roof blanking tank is heavy;
Described master wheel disk and shift value proofing unit between the relative stationary gear tank shell are master wheel disk and the relative horizontal shifts between the gear box casing that produces when being fixedly mounted on the displacement sensor detection of gear case fault rotation on the gear box casing and are sent on the PLC that the displacement that calculates in the unit time by PLC draws vibration values;
Described temperature-detecting device, pressure-detecting device, the shift value proofing unit of the relative stationary gear tank shell of master wheel disk, blanking tank weighing detection device all are connected with data collector, and data collector is connected with computer and stores the data of being gathered in Computer Database;
Temperature in the described detected stove, pressure, the monitor signal that material in vibration values and the furnace roof blanking tank is heavy all is stored in the Computer Database, by being heated of computer programming analytical furnace each position of top distributor, the pressurized situation, and the operational shock situation of weigh during cloth situation and distributor, according to the temperature of setting in the computer, pressure, material in the furnace roof blanking tank heavily reaches the alarm threshold value of vibration values, pattern when the pattern during with new installation or steady running is standard jig and operation carries out real-time comparative analysis, realize computer automatic diagnosis output, realize the failure diagnosis forecasting function.
2. blast furnace bell-less furnace top failure diagnosis forecasting system according to claim 1, it is characterized in that, described displacement sensor is installed in the following way, in the perforate of gear box casing outer wall, the flange of welding band internal thread, there are outer silk of adjustable expansion pipe and the sealing of flange internal thread to install, adjustable expansion pipe end is provided with internal thread and the hermetically sealed displacement sensor that is equipped with, the displacement sensor lead leads to PLC through adjustable expansion pipe center, displacement sensor probe is over against gear disk, be sent among the PLC with relative displacement signal static probe the master wheel disk, the displacement that calculates in the unit time by PLC draws vibration values, is stored in the Computer Database.
3. blast furnace bell-less furnace top failure diagnosis forecasting system according to claim 2 is characterized in that, described adjustable expansion pipe external end is equipped with circular oil wiper.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2010201400545U CN201686713U (en) | 2010-03-25 | 2010-03-25 | Fault diagnosis forecasting system for furnace top (without charging bell) of blast furnace |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2010201400545U CN201686713U (en) | 2010-03-25 | 2010-03-25 | Fault diagnosis forecasting system for furnace top (without charging bell) of blast furnace |
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| Publication Number | Publication Date |
|---|---|
| CN201686713U true CN201686713U (en) | 2010-12-29 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2010201400545U Expired - Lifetime CN201686713U (en) | 2010-03-25 | 2010-03-25 | Fault diagnosis forecasting system for furnace top (without charging bell) of blast furnace |
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| CN (1) | CN201686713U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101792836A (en) * | 2010-03-25 | 2010-08-04 | 济南领航机械设备有限公司 | Blast furnace bell-less furnace top failure diagnosis forecasting system |
| CN104357610A (en) * | 2014-10-26 | 2015-02-18 | 北京首钢自动化信息技术有限公司 | System and method for monitoring state of charging bucket of blast furnace |
-
2010
- 2010-03-25 CN CN2010201400545U patent/CN201686713U/en not_active Expired - Lifetime
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101792836A (en) * | 2010-03-25 | 2010-08-04 | 济南领航机械设备有限公司 | Blast furnace bell-less furnace top failure diagnosis forecasting system |
| CN101792836B (en) * | 2010-03-25 | 2011-08-31 | 济南领航机械设备有限公司 | Blast furnace bell-less furnace top failure diagnosis forecasting system |
| CN104357610A (en) * | 2014-10-26 | 2015-02-18 | 北京首钢自动化信息技术有限公司 | System and method for monitoring state of charging bucket of blast furnace |
| CN104357610B (en) * | 2014-10-26 | 2016-05-25 | 北京首钢自动化信息技术有限公司 | A kind of blast furnace bucket condition monitoring system and method |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| AV01 | Patent right actively abandoned |
Granted publication date: 20101229 Effective date of abandoning: 20110831 |