CN203904379U - Furnace-front stemming plugging quantity detection device for blast furnace - Google Patents
Furnace-front stemming plugging quantity detection device for blast furnace Download PDFInfo
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- CN203904379U CN203904379U CN201420127194.7U CN201420127194U CN203904379U CN 203904379 U CN203904379 U CN 203904379U CN 201420127194 U CN201420127194 U CN 201420127194U CN 203904379 U CN203904379 U CN 203904379U
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- stemming
- displacement sensor
- blast furnace
- mud
- furnace
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- 238000001514 detection method Methods 0.000 title abstract description 10
- 238000006073 displacement reaction Methods 0.000 claims abstract description 42
- 238000005259 measurement Methods 0.000 claims abstract description 14
- 230000005540 biological transmission Effects 0.000 claims abstract description 9
- 239000004927 clay Substances 0.000 claims description 34
- 238000010009 beating Methods 0.000 claims description 26
- 238000001816 cooling Methods 0.000 claims description 12
- 238000005266 casting Methods 0.000 claims description 9
- 238000011010 flushing procedure Methods 0.000 claims description 9
- 230000035515 penetration Effects 0.000 claims description 4
- 239000002699 waste material Substances 0.000 abstract description 4
- 229910000831 Steel Inorganic materials 0.000 abstract description 3
- 239000010959 steel Substances 0.000 abstract description 3
- 238000000034 method Methods 0.000 description 27
- XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical compound [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 description 26
- 229910052742 iron Inorganic materials 0.000 description 13
- 230000000903 blocking effect Effects 0.000 description 11
- 238000004364 calculation method Methods 0.000 description 5
- NIOPZPCMRQGZCE-WEVVVXLNSA-N 2,4-dinitro-6-(octan-2-yl)phenyl (E)-but-2-enoate Chemical compound CCCCCCC(C)C1=CC([N+]([O-])=O)=CC([N+]([O-])=O)=C1OC(=O)\C=C\C NIOPZPCMRQGZCE-WEVVVXLNSA-N 0.000 description 4
- 238000009434 installation Methods 0.000 description 4
- 230000006835 compression Effects 0.000 description 3
- 238000007906 compression Methods 0.000 description 3
- 230000001186 cumulative effect Effects 0.000 description 2
- 230000007423 decrease Effects 0.000 description 2
- 239000000428 dust Substances 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 230000002159 abnormal effect Effects 0.000 description 1
- 238000009825 accumulation Methods 0.000 description 1
- 230000000712 assembly Effects 0.000 description 1
- 238000000429 assembly Methods 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 230000004438 eyesight Effects 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 230000009347 mechanical transmission Effects 0.000 description 1
- 238000010079 rubber tapping Methods 0.000 description 1
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Abstract
The utility model discloses a furnace-front stemming plugging quantity detection device for a blast furnace. The detection device comprises a displacement sensor, a position measuring hammer, a PLC (programmable logic controller) signal processing device and a digital display box, wherein the displacement sensor is fixedly mounted at the top of a stemming plugging oil cylinder of a mud gun machine and is connected with a hammer steel wire rope through a sensor measurement marking line in a threading pipe; the hammer steel wire rope is connected onto the position measuring hammer which is fixedly connected onto a mud gun machine slider; and a displacement sensor transmission line is connected onto the PLC signal processing device. According to the furnace-front stemming plugging quantity detection device for the blast furnace, through a detection mode of the stemming pushing quantity of a furnace-front stemming machine, the stemming plugging quantity is accurately detected and can be fed back to a furnace-front operator in real time, quantitative stemming is plugged reasonably, and stemming waste is prevented.
Description
Technical field
The utility model patent relates to the technical field of ironmaking equipment, is specifically related to the front Stemming machine of State of Blast Furnace and beats the device that mud amount detects.
Background technology
The accurate control that blast furnace front hole blocking is beaten mud amount is to perplex for many years the major issue that blast furnace is produced always, beat how many direct stability that affect the iron mouth degree of depth and iron mouth of mud amount, beat mud amount excessive, there will be the iron mouth degree of depth excessively dark, next time, iron mouth difficulty was opened, and waste stemming is serious; Beat mud amount very few, iron mouth depth as shallow, the time of tapping a blast furnace is short, or the abnormal conditions such as iron mouth is disconnected, seriously can affect the stability of blast furnace hearth, and then affect blast furnace stable and high yields.On Stemming machine, beating mud amount in the past and only use the mud stroke of beating of beating on mud device to indicate, is mechanical transmission pointer-type.Observe pen travel judgement and beat mud amount, can only estimate by lattice (the about 7cm of lattice), deviation is large, and cannot accurately control and beat mud amount, and on-the-spot distance, sight line is poor, poor operability.
Summary of the invention
Problem for above-mentioned existence, the utility model provides the detection mode of a kind of stokehold Stemming machine stemming amount of pushing, thereby realize the accurate detection of the stemming amount of squeezing into, can Real-time Feedback to flushing and casting personnel, rationally squeeze into quantitative stemming, and prevent front mud amount detecting device and the control method of beating of State of Blast Furnace of the waste of stemming
In order to achieve the above object, the technical solution adopted in the utility model is as follows: before a kind of State of Blast Furnace, beat mud amount detecting device, described proofing unit comprises displacement sensor, location weight, PLC signal processor unit and digital display case; Described displacement sensor is fixedly mounted on the top that clay gun machine is played mud oil cylinder, the described mud oil cylinder inside of beating is provided with piston rod and bod assembly, the sensor measurement mark line of described displacement sensor in penetration pipe is connected with weight wireline, described weight wireline is connected on location weight, described thermometric weight is connected to fixedly on clay gun machine slide block, described displacement sensor transmission route is connected to PLC signal processing device and is set up, and described PLC signal processor unit via line is connected on digital display case.
Piston rod described in the utility model and bod assembly are the assembly of former Stemming machine hydraulic ram, as beat in mud process, bod assembly produces the stemming that relative displacement promotes head, by weight wireline, driven the cylindrical of the clay gun machine slide block of assembly simultaneously, during the action of clay gun machine slide block, center by clay gun machine slide block is converted to translational motion, then drives weight wireline, records the shift value of weight wireline by displacement sensor.
Sensor measurement mark line described in the utility model is the line of pulling out of displacement sensor, after installation of sensors, in pulling out the state of measurement, specifically refers to the wire pulling out from sensor all the time; Weight wireline described in the utility model is the wireline on mud bubble machine slide block, is the wireline that connecting sensor is measured mark line and location weight; Thermometric weight described in the utility model is the rectangle iron block together with mud bubble machine slide block, for field observation oil cylinder displacement.。
The precision of displacement sensor described in the utility model is 0.1%, and linear course is 0-1000mm, the Wiring type displacement sensor that degree of protection is IP64, and it is high that clean control accuracy is worn in this kind of displacement, conveniently accurately measures the mud amount of beating of clay gun machine.
Displacement sensor described in the utility model and electric power connection line road are provided with cooling line; described cooling line is connected on pressurized air blowback cooling apparatus; because the temperature at clay gun machine iron mouth place is high; work dust is large; described cooling line can be protected instrument; with electric power connection line road, the normal work of protection instrument.
Sensor measurement mark line described in the utility model is small dimension wireline, and the wireline by small dimension connects, and stable connection is controlled precisely, and easy fracture, is not convenient for changing and safeguards.
The circuit of the 4-20mA that transmission route between displacement sensor described in the utility model and PLC signal processor unit is two wire system, the circuit by 4-20mA is transferred to the signal of displacement sensor in PLC signal processor unit; The standard analog signal that 4-20mA signal described in the utility model is industrial instrument, can directly be connected with instrument, PLC, shield retaining, and can effectively reduce the deviation that electromagnetic noise interference and cable length bring.
Digital display case described in the utility model is arranged on flushing and casting chamber and section chief's operation room, describedly in sensor signal, transmits in real time and be presented at flushing and casting chamber and section chief's operation room; The quantity that can real-time reminding gunner fills mud by digital display case, has avoided reading clay gun machine engraving number of degrees value under the on-the-spot hot conditions of operative employee, has realized data long-distance transmissions.
The detection method of beating mud amount detecting device before a kind of State of Blast Furnace described in the utility model, described detection method comprises operating process and determination methods; Described operating process is: by displacement sensor, one of piston position is read, instrument detects raw data to be sent into after data carries out signal processing in blast furnace PLC; Described determination methods is: 1) for stemming, load to start and beaten the judgement that stemming finishes, 2) records of values of clay gun machine piston trajectory, 3) calculating of clay gun usage quantity.Beat that in mud process, instrument raw data is from large toward little variation, when basic law is breeching mud, raw data is maximum, while awaiting orders after compression, mediates, and blocks up after finishing and reaches minimum value in the cycle.
Consider in practical situation because equipment attrition or instrument are changed the initial value bringing and changed, in program, using peaked uphill process and decline process as the initial condition of beating mud process, stemming described in the utility model loads the concrete determination methods starting: in the time of in piston is stretched to apart from the scope of maximum position 5cm, lock-out state is the end of blocking up of clay gun machine, and the breeching mud of preparing is next time blocked up; Describedly beaten the concrete determination methods that stemming finishes and be: when clay gun machine is beaten the bundle that finishes, piston, toward back draft, when rope sensor numerical value is greater than the minimum value 8cm beating last time after mud, has been the end of blocking up.
The concrete operation method of the records of values of clay gun machine piston trajectory described in the utility model: after stemming compacting finishes, the wait of awaiting orders is blocked up, according to the variation of instrument raw data, record sensor original value now, the initial value of piston position while preparing to beat mud as clay gun machine; When beating mud when action program, can lag behind and sensor minimum value replace to renewals in two seconds, these data are the raw data after beating mud and finishing, and the accuracy of assurance signal processing, has adopted certain signal lag in program.
The method of calculation of clay gun usage quantity described in the utility model are: when piston is stretched to maximum, instrument raw data is got back to maximum value, whole end of processing, to the raw data of the Piston Compression armed state in the upper cycle, the numerical value when having blocked up subtracts each other in program inside, what obtain is exactly to beat mud amount, and what draw is exactly actual stemming usage quantity.Final in picture and flushing and casting chamber, show the final mud quantity of beating, this value real-time change has directive significance, and can finish data zero clearing afterwards blocking up at every turn, and cumulative amount increase, facilitates cost keeping.
The utility model can accurately gather and calculate the actual stemming amount of squeezing into, and can include cost assess in, avoids waste, and saves production cost.Fundamentally stopped inconsistent because of flushing and casting personnel technical ability, experience and eyesight, and it is inconsistent that iron mouth situation is grasped to program, plays mud operation with operator personal experience judgement at every turn, result cause beat mud amount excessive with beat the very few situation of mud amount.
Described in the utility model beating on the mud amount detecting device Wo 1-3# of company blast furnace moved, respond well, by at every turn beating mud amount, detect, the fight each other understanding of mud amount of gunner is conducive to gunner to stablizing the operation of iron mouth, and guarantee working of a furnace stable smooth operation has very strong directiveness.Fall this section and prop up and also play considerable effect carrying out, by each stove seat, within 1 month, save 12T stemming, within 1 year, can save stemming 432T, by 2230 yuan of calculating per ton, within 1 year, can save 963360 yuan, play very large effect.
Accompanying drawing explanation
Fig. 1 is that common clay gun machine is beaten mud amount detecting device structure diagram;
Fig. 2 is the utility model mounting structure sketch;
Fig. 3 is the utility model syndeton sketch;
1 piston wherein, 2 graduated scales, 3 slide blocks, 4 cooling lines, 5 displacement sensors, 6 sensor measurement mark lines, 7 location weights, 8 dozens of mud oil cylinders, 9 piston rods, 10 bod assemblies, 11 weight wireline, 12 PLC signal processor unit, 13 digital display casees, 14 penetration pipes; 15 clay gun machine slide blocks.
Embodiment
Below in conjunction with embodiment, the utility model is described in further detail.
embodiment 1:before a kind of State of Blast Furnace as shown in Figures 2 and 3, beat mud amount detecting device, described proofing unit comprises displacement sensor 5, location weight 7, PLC signal processor unit 12 and digital display case 13, described displacement sensor 5 is fixedly mounted on the top that clay gun machine is played mud oil cylinder 8, described mud oil cylinder 8 inside of beating are provided with piston rod 9 and bod assembly 10, described piston rod 9 and bod assembly 10 are the assembly of former Stemming machine hydraulic ram, as beat in mud process, bod assembly 10 produces the stemming that relative displacement promotes head, by weight wireline 11, driven the cylindrical of the clay gun machine slide block 15 of assembly 15 simultaneously, during 15 action of clay gun machine slide block, by clay gun machine slide block 15 center, be converted to translational motion, drive again weight wireline 11, by displacement sensor 5, record the shift value of weight wireline 11, the sensor measurement mark line 6 of described displacement sensor 5 in penetration pipe 14 is connected with weight wireline 11, described weight wireline 11 is connected on location weight 7, described thermometric weight 7 is fixedly connected on clay gun machine slide block 15, described displacement sensor 5 transmission routes are connected on PLC signal processor unit 12, described PLC signal processor unit 12 via line are connected on digital display case 13.
embodiment 2:as shown in Figures 2 and 3; displacement sensor 5 described in the utility model and electric power connection line road are provided with cooling line 4; described cooling line 4 is connected on pressurized air blowback cooling apparatus; because the temperature at clay gun machine iron mouth place is high; work dust is large; described cooling line can be protected instrument, and electric power connection line road, the normal work of protection instrument.
embodiment 3:as shown in Figure 3, sensor measurement mark line 6 described in the utility model is the lines of pulling out of displacement sensor 5, and sensor 5 in pulling out the state of measurement, specifically refers to the wire pulling out from sensor 5 after installing all the time; Weight wireline 7 described in the utility model is the wireline on mud bubble machine slide block 15, is the wireline that connecting sensor is measured mark line 6 and location weight 7; Thermometric weight 7 described in the utility model is the rectangle iron blocks together with mud bubble machine slide block 15, for field observation oil cylinder displacement.
embodiment 4:the precision of displacement sensor described in the utility model is 0.1%, and linear course is 0-1000mm, the Wiring type displacement sensor that degree of protection is IP64, and it is high that clean control accuracy is worn in this kind of displacement, conveniently accurately measures the mud amount of beating of clay gun machine.Sensor measurement mark line described in the utility model is small dimension wireline, and the wireline by small dimension connects, and stable connection is controlled precisely, and easy fracture, is not convenient for changing and safeguards.The circuit of the 4-20mA that transmission route between displacement sensor described in the utility model and PLC signal processor unit is two wire system, the circuit by 4-20mA is transferred to the signal of displacement sensor in PLC signal processor unit.
embodiment 5:as shown in Figure 3, digital display case described in the utility model is arranged on flushing and casting chamber and section chief's operation room, describedly in sensor signal, transmits in real time and be presented at flushing and casting chamber and section chief's operation room; The quantity that can real-time reminding gunner fills mud by digital display case, has avoided reading clay gun machine engraving number of degrees value under the on-the-spot hot conditions of operative employee, has realized data long-distance transmissions.
embodiment 6:the detection method of beating mud amount detecting device before State of Blast Furnace described in the utility model, as 3, one ironworks of steel blast furnace has forever been used this proofing unit, just installation and debugging can detect dozen mud amount after completing.Beat mud process and also can review by the historical trend of software, described operating process is: by displacement sensor, one of piston position is read, instrument detects raw data to be sent into after data carries out signal processing in blast furnace PLC; It when each raw data reaches local maximum, is installation stemming; During the intermediate value of numerical value within the cycle, it is initial value when blocking up; After having gone out iron and blocking up, numerical value reaches minimum value in the cycle, completes the whole cycle; Controlling System judges and calculates these data, and method of calculation are: the step state by maximum value decision operation process, by the difference of minimum value and initial value, calculate, and draw the actual amount of beating mud, finally show on computers with on on-the-spot digital display meter.
embodiment 7:the determination methods of beating mud amount detecting device before a kind of State of Blast Furnace described in the utility model is:
1) for stemming, load beginning and played the judgement that stemming finishes; Consider in practical situation because equipment attrition or instrument are changed the initial value bringing and changed, in program, using peaked uphill process and decline process as the initial condition of beating mud process, stemming described in the utility model loads the concrete determination methods starting: in the time of in piston is stretched to apart from the scope of maximum position 5cm, lock-out state is the end of blocking up of clay gun machine, and the breeching mud of preparing is next time blocked up; Describedly beat the concrete determination methods that stemming finishes and be: when clay gun machine is beaten the bundle that finishes, piston has been toward back draft, when rope sensor numerical value is greater than 8 centimetres of the minimum value of beating last time after mud, be the end of blocking up;
2) records of values of clay gun machine piston trajectory; The concrete operation method of the records of values of clay gun machine piston trajectory described in the utility model: after stemming compacting finishes, the wait of awaiting orders is blocked up, according to the variation of instrument raw data, record sensor original value now, the initial value of piston position while preparing to beat mud as clay gun machine; When beating mud when action program, can lag behind and sensor minimum value replace to renewals in two seconds, these data are the raw data after beating mud and finishing, and the accuracy of assurance signal processing, has adopted certain signal lag in program;
3) calculating of clay gun usage quantity; The method of calculation of clay gun usage quantity described in the utility model are: when piston is stretched to maximum, instrument raw data is got back to maximum value, whole end of processing, to the raw data of the Piston Compression armed state in the upper cycle, the numerical value when having blocked up subtracts each other in program inside, what obtain is exactly to beat mud amount, do accumulation computing, what draw is exactly actual stemming usage quantity.Final in picture and flushing and casting chamber, show the final mud quantity of beating, this value real-time change has directive significance, and can finish data zero clearing afterwards blocking up at every turn, and cumulative amount increase, facilitates cost keeping.
embodiment 8:before State of Blast Furnace described in the utility model, beat mud amount detecting device as follows:
Step 1: first data reach 45cm left and right when dress mud, waits for the about 31cm left and right of blocking up after installation; The value that draws dozen mud amount by instrument measurement and calculation is as shown in the table:
Step 2: while then blocking up, course of action is 10 seconds, calculates the mud amount of beating; The value that draws dozen mud amount by instrument measurement and calculation is as shown in the table:
Step 3: when block up after approximately 20 minutes end and bubble mud machine exit, one-period completes, and finally beats mud amount statistics, show that it is 7.8cm that the value of mud amount is beaten in operation last time, and adds up extremely to beat in mud amount accumulated value, statistics finishes rear zero clearing and measures next time thus.
It should be noted that, above-mentioned is only preferred embodiment of the present utility model, is not used for limiting protection domain of the present utility model, and the equivalents of having done on the basis of above-described embodiment all belongs to protection domain of the present utility model.
Claims (6)
1. before State of Blast Furnace, beat a mud amount detecting device, it is characterized in that, described proofing unit comprises displacement sensor, location weight, PLC signal processor unit and digital display case; Described displacement sensor is fixedly mounted on the top that clay gun machine is played mud oil cylinder, the described mud oil cylinder inside of beating is provided with piston rod and bod assembly, the sensor measurement mark line of described displacement sensor in penetration pipe is connected with weight wireline, described weight wireline is connected on location weight, described location weight is fixedly connected on clay gun machine slide block, described displacement sensor transmission route is connected to PLC signal processing device and is set up, and described PLC signal processor unit via line is connected on digital display case.
2. before State of Blast Furnace according to claim 1, beat mud amount detecting device, it is characterized in that, the precision of described displacement sensor is 0.1%, and linear course is 0-1000mm, the Wiring type displacement sensor that degree of protection is IP64.
3. before State of Blast Furnace according to claim 1, beat mud amount detecting device, it is characterized in that, described displacement sensor and electric power connection line road are provided with cooling line, and described cooling line is connected on pressurized air blowback cooling apparatus.
4. before State of Blast Furnace according to claim 1, beat mud amount detecting device, it is characterized in that, described sensor measurement mark line is small dimension wireline.
5. before State of Blast Furnace according to claim 1, beat mud amount detecting device, it is characterized in that the circuit of the 4-20mA that the transmission route between described displacement sensor and PLC signal processor unit is two wire system.
6. before State of Blast Furnace according to claim 1, beat mud amount detecting device, it is characterized in that, described digital display case is arranged on flushing and casting chamber and section chief's operation room.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420127194.7U CN203904379U (en) | 2014-03-20 | 2014-03-20 | Furnace-front stemming plugging quantity detection device for blast furnace |
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| Application Number | Priority Date | Filing Date | Title |
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| CN201420127194.7U CN203904379U (en) | 2014-03-20 | 2014-03-20 | Furnace-front stemming plugging quantity detection device for blast furnace |
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| CN203904379U true CN203904379U (en) | 2014-10-29 |
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| CN201420127194.7U Expired - Lifetime CN203904379U (en) | 2014-03-20 | 2014-03-20 | Furnace-front stemming plugging quantity detection device for blast furnace |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105112588A (en) * | 2015-09-26 | 2015-12-02 | 柳州钢铁股份有限公司 | Display device for mud charging quantity of blast furnace mud gun |
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2014
- 2014-03-20 CN CN201420127194.7U patent/CN203904379U/en not_active Expired - Lifetime
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105112588A (en) * | 2015-09-26 | 2015-12-02 | 柳州钢铁股份有限公司 | Display device for mud charging quantity of blast furnace mud gun |
| CN105112588B (en) * | 2015-09-26 | 2017-05-17 | 柳州钢铁股份有限公司 | Display device for mud charging quantity of blast furnace mud gun |
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Granted publication date: 20141029 |