CN103433443B - A kind of preparation method of amorphous band and device - Google Patents
A kind of preparation method of amorphous band and device Download PDFInfo
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- CN103433443B CN103433443B CN201310382772.1A CN201310382772A CN103433443B CN 103433443 B CN103433443 B CN 103433443B CN 201310382772 A CN201310382772 A CN 201310382772A CN 103433443 B CN103433443 B CN 103433443B
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Abstract
The present invention relates to a kind of preparation method and device of amorphous band. Described method comprises: obtain water temperature detection signal, generate water temperature control signal according to described water temperature detection signal, make the water temperature that flows through crystallizer keep constant; Gather flow detecting signal, produce flow regulating signal according to described flow detecting signal water pump is carried out to VFC, use so that the water flow of described crystallizer keeps constant; Gather the distance detection signal between nozzle and described crystallizer, generate distance adjustment signal according to described apart from detection signal and thickness of strip desired value, adjust the position of nozzle. The preparation method of amorphous band disclosed by the invention and device, adopt PLC automatically to control the spacing between coolant water temperature, flow and nozzle and crystallizer, makes system band control more accurate.
Description
Technical field
The present invention relates to amorphous band preparing technical field, relate in particular to a kind of preparation method of amorphous bandAnd device.
Background technology
In existing amorphous band preparation technology, while preparing amorphous thin ribbon, molten steel is by nozzle ejection conventionallyCrystallizer (copper roller) to High Rotation Speed is upper, and moment is frozen into certain thickness strip. The control of tape thicknessTo spray the distance between nozzle and the crystallizer with dolly by manual operation, in conjunction with rotating speed and the current of crystallizerAmount realizes. Manual operation can inevitably bring operate miss conventionally, affects the standard of thickness of stripReally property. Meanwhile, cooling water adopts cooling tower circulation conventionally, and therefore water temperature is subject to ectocine larger, unfavorableIn stablizing of band chilling temperature.
Summary of the invention
The present invention is directed to the defect of prior art, a kind of preparation method and device of amorphous band is provided, realThe extraction system of existing automation, with the every monitor data in process, by PLC module controls, was with sprayIn journey, need the variable controlled as thick in: crystallizer rotating speed, discharge, water temperature, mould temperature, bandThe control variables such as the distance of degree, nozzle and crystallizer all can realize PID automation control. Reduce artificial behaviourThe error that work causes, avoids maloperation, has improved the strip quality of preparation.
First aspect, the invention provides a kind of preparation method of amorphous band, and described method comprises:
Obtain water temperature detection signal, generate water temperature control signal according to described water temperature detection signal, make to flow throughIt is constant that the water temperature of crystallizer keeps;
Gather flow detecting signal, produce flow regulating signal according to described flow detecting signal water pump is enteredRow VFC, uses so that the water flow of described crystallizer keeps constant;
Gather the distance detection signal between nozzle and described crystallizer, according to described apart from detection signal and bandMaterial thickness targets value generates distance and adjusts signal, adjusts the position of nozzle; Wherein, described thickness of strip orderScale value is what preset and store.
Preferably, described according to described water temperature detection signal generation water temperature control signal, make to flow through crystallizerWater temperature keep constant being specially:
The current water temperature and the preset standard water temperature that obtain according to described water temperature detection signal compare, according toComparative result generates described water temperature control signal;
Send described water temperature control signal to water cooling plant, flow through crystallization in order to described water cooling plant controlIt is constant that the water temperature of device keeps.
Preferably, generate distance adjustment signal according to described apart from detection signal and thickness of strip desired value,The position of adjusting nozzle is specially:
Go out the distance between described nozzle and described crystallizer according to described apart from detection signal correspondence;
Compare with described thickness of strip desired value according to distance, and according to the result adjustment of described comparisonThe position of nozzle;
In the time that described distance is less than described thickness of strip desired value, generate described distance adjust signal for toThe position of upper adjustment nozzle, increases the distance between nozzle and crystallizer;
In the time that described distance is greater than described thickness of strip desired value, generate described distance adjust signal for toThe position of lower adjustment nozzle, reduces the distance between nozzle and crystallizer.
Second aspect, the invention provides a kind of preparation facilities of amorphous band, comprising: PLC control module,Spray hired car, nozzle, crystallizer, water cooling plant, water pump, flowmeter and calibrator;
Flowmeter, for detection of the water flow of described crystallizer, and generates flow detecting signal and sends toPLC control module;
Water pump, for carrying out VFC according to flow regulating signal, provides constant to described water cooling plantThe water of flow;
Water cooling plant, for according to water temperature control signal control flow through crystallizer water temperature keep constant, andGenerate water temperature detection signal and send to PLC control module;
Spray hired car, for carrying described nozzle, and according to distance adjust signal adjust described nozzle with described inDistance between crystallizer;
Nozzle, for spraying molten steel to described crystallizer;
Crystallizer, for forming band by described molten steel in the quick cooled and solidified of crystallizer surface;
Calibrator, for measuring in real time the distance between described nozzle and described crystallizer, and produces distanceDetection signal sends PLC control module to;
PLC control module, for detecting letter according to described flow detecting signal, water temperature detection signal and distanceNumber producing flow regulating signal, water temperature control signal and distance adjusts signal and sends respectively water pump, water-cooled toDevice and spray hired car.
Preferably, described PLC control module specifically comprises traffic monitoring module, for:
Gather flow detecting signal, produce flow regulating signal according to described flow detecting signal water pump is enteredRow VFC, uses so that the water flow of described crystallizer keeps constant.
Preferably, described PLC control module specifically comprises water temperature monitoring module, for:
The current water temperature and the preset standard water temperature that obtain according to described water temperature detection signal compare, according toComparative result generates described water temperature control signal;
Send described water temperature control signal to water cooling plant, flow through crystallization in order to described water cooling plant controlIt is constant that the water temperature of device keeps.
Preferably, described PLC control module specifically comprises distance detection module, for:
Go out the distance between described nozzle and described crystallizer according to described apart from detection signal correspondence;
Compare with described thickness of strip desired value according to distance, and according to the result adjustment of described comparisonThe position of nozzle;
In the time that described distance is less than described thickness of strip desired value, generate described distance adjust signal for toThe position of upper adjustment nozzle, increases the distance between nozzle and crystallizer;
In the time that described distance is greater than described thickness of strip desired value, generate described distance adjust signal for toThe position of lower adjustment nozzle, reduces the distance between nozzle and crystallizer.
So the preparation method of the amorphous band of the embodiment of the present invention and device, adopt PLC automatically to control coldBut the spacing between water temperature, flow and nozzle and crystallizer, controls system band more accurate, has eliminated artificialThe error that operation brings.
Brief description of the drawings
Preparation method's flow chart of the amorphous band that Fig. 1 provides for the embodiment of the present invention;
The preparation facilities schematic diagram of the amorphous band that Fig. 2 provides for the embodiment of the present invention.
Detailed description of the invention
Below by drawings and Examples, technical scheme of the present invention is described in further detail.
The preparation method of the amorphous band that the embodiment of the present invention provides, the extraction band process processed of employing automationIn every monitor data, by PLC module controls, make spray with in process, need control variable as:The distance of crystallizer rotating speed, discharge, water temperature, mould temperature, thickness of strip, nozzle and crystallizerAll can realize PID automation control etc. control variables. Reduce the error that manual operation causes, avoid mistake behaviourDo, improved the strip quality of preparation.
Preparation method's flow chart of the amorphous band that Fig. 1 embodiment of the present invention provides, specifically comprises following stepRapid:
Step 110, obtains water temperature detection signal, generates water temperature control signal according to described water temperature detection signal,Make the water temperature that flows through crystallizer keep constant;
Wherein, the standard water temperature of the needed cooling water of production band is preset and is stored in PLC and controlled mouldIn piece. PLC control module compares according to the water temperature detection signal obtaining and default standard water temperature, rootGenerate water temperature control signal according to comparative result;
Send water temperature control signal to water cooling plant, flow through the water temperature of crystallizer in order to water cooling plant controlKeep constant.
Step 120, gathers flow detecting signal, produces flow regulating signal according to described flow detecting signalWater pump is carried out to VFC, use so that the water flow of described crystallizer keeps constant;
Step 130, gathers the distance detection signal between nozzle and described crystallizer, detects according to described distanceSignal and thickness of strip desired value generate distance and adjust signal, adjust the position of nozzle;
Wherein, thickness of strip desired value is what preset and store.
The distance detection signal obtaining according to the distance between gaging nozzle and crystallizer sends PLC to and controls mouldPiece, the distance in PLC control module between corresponding delivery nozzle and crystallizer;
The distance going out according to correspondence with preset and be stored in the thickness of strip target in PLC control moduleValue compares, and adjusts the position of nozzle according to result relatively;
In the time that this distance is less than thickness of strip desired value, generates distance and adjust signal, for adjusting upwardThe position of nozzle, increases the distance between nozzle and crystallizer;
In the time that this distance is greater than thickness of strip desired value, generates distance and adjust signal, for downward adjustmentThe position of nozzle, reduces the distance between nozzle and crystallizer.
The preparation method of the amorphous band of the present embodiment is described with a concrete example below.
In this example, the target thickness that need to prepare band is 25 μ m.
First gathering water temperature detection signal, is 34 DEG C according to the corresponding current water temperature of water temperature detection signal. AndIn PLC control module, presetting needed temperature is 31.5 DEG C, allows 5% deviation, PLC controlMolding piece produces water temperature control signal the temperature of the cooling water in crystallizer of flowing through is adjusted, and makes it permanentFix on 31.5 DEG C. Water temperature signal collection can be real-time, also can set certain time interval, fromAnd the time is constantly revised water temperature, make it constant in needed temperature all the time.
Secondly, the water flow of crystallizer is controlled, in real time flow velocity is examined by flow detectionSurvey, water flow is remained in the scope needing, as 485m3/h～515m3/ h. When flow monitoring signalThe flow that correspondence goes out exceeds maybe can not reach within the scope of this time, and PLC control module produces corresponding flow controlSignal processed carries out VFC to water pump, thereby ensures that the water flow of crystallizer continues constant.
Finally, the distance between nozzle and crystallizer is detected, will send PLC to apart from detection signalControl module, correspondence goes out the distance between current nozzle and crystallizer, for example 23 μ m, PLC control moduleGeneration, apart from control signal, is controlled spray hired car lift-launch nozzle and is moved up together, between increase and crystallizerDistance is to 25 μ m. Thereby the thickness of the band making is 25 μ m, consistent with target thickness.
In addition, crystallizer rotating speed also can be preset in PLC control module, thereby realizes the automatic of rotating speedControl and keep constant in band process processed.
The preparation method of the amorphous band that the embodiment of the present invention provides, the extraction band process processed of employing automationIn every monitor data, by PLC module controls, make spray with in process, need control variable as:The distance of crystallizer rotating speed, discharge, water temperature, mould temperature, thickness of strip, nozzle and crystallizerAll can realize PID automation control etc. control variables. Reduce the error that manual operation causes, avoid mistake behaviourDo, improved the strip quality of preparation.
Accordingly, the embodiment of the present invention also provides a kind of preparation facilities of amorphous band, on realizingState the preparation method that embodiment provides. Figure is as shown in 2, and described device comprises:
PLC control module 1, spray hired car 2, nozzle 3, nozzle 4, water cooling plant 5, water pump 6, flowMeter 7 and calibrator 8;
Flowmeter 7, for detection of the water flow of described crystallizer 4, and generates flow detecting signal transmissionGive PLC control module 1;
Water pump 6, for carrying out VFC according to flow regulating signal, provides permanent to described water cooling plant 5The water of constant flow;
Water cooling plant 5, for according to water temperature control signal control flow through crystallizer 4 water temperature keep constant,And generate water temperature detection signal and send to PLC control module 1; Water cooling plant 5 specifically can be by air conditioner andChilled water tank two parts are realized.
Spray hired car 2, for carrying described nozzle 3, and according to distance adjust signal adjust described nozzle 3 withDistance between described crystallizer 4;
Nozzle 3, for spraying molten steel to described crystallizer 4;
Crystallizer 4, for forming band by described molten steel in the crystallizer 4 quick cooled and solidified in surface;
Calibrator 8, for measuring in real time the distance between described nozzle 3 and described crystallizer 4, and producesSend PLC control module 1 to apart from detection signal; Conventionally concrete adopt infrared gauge for nozzle 3 withThe range measurement that crystallizer is 4.
PLC control module 1, for detecting according to described flow detecting signal, water temperature detection signal and distanceSignal produces flow regulating signal, water temperature control signal and distance adjustment signal and sends respectively water pump 6, water toDevice for cooling 5 and spray hired car 2.
Wherein PLC control module 1 specifically comprises traffic monitoring module 11, water temperature monitoring module 12 and distanceMonitoring module 13.
Traffic monitoring module 11 specifically for:
Gather flow detecting signal, produce flow regulating signal to water pump 6 according to described flow detecting signalCarry out VFC, use so that the water flow of described crystallizer 4 keeps constant.
Water temperature monitoring module 12 specifically for:
The current water temperature and the preset standard water temperature that obtain according to described water temperature detection signal compare, according toComparative result generates described water temperature control signal;
Send described water temperature control signal to water cooling plant 5, control and flow through knot in order to described water cooling plant 5It is constant that the water temperature of brilliant device 4 keeps.
Distance detection module 13 specifically for:
Go out the distance between described nozzle 3 and described crystallizer 4 according to described apart from detection signal correspondence;
Compare with described thickness of strip desired value according to distance, and according to the result adjustment of described comparisonThe position of nozzle 3;
In the time that described distance is less than described thickness of strip desired value, generate described distance adjust signal for toThe position of upper adjustment nozzle 3, increases the distance between nozzle 3 and crystallizer 4;
In the time that described distance is greater than described thickness of strip desired value, generate described distance adjust signal for toThe position of lower adjustment nozzle 3, reduces the distance between nozzle 3 and crystallizer 4.
In addition, PLC control module 1 can also comprise the rotational speed control module 14 of crystallization control device rotating speed,For the rotating speed of crystallization control device 4, make it to remain constant in band process processed.
The specific implementation of PLC control module 1 can comprise PLC switch board etc.
The preparation facilities of the amorphous band that the embodiment of the present invention provides, the extraction band process processed of employing automationIn every monitor data, by PLC module controls, make spray with in process, need control variable as:The distance of crystallizer rotating speed, discharge, water temperature, mould temperature, thickness of strip, nozzle and crystallizerAll can realize PID automation control etc. control variables. Reduce the error that manual operation causes, avoid mistake behaviourDo, improved the strip quality of preparation.
Professional should further recognize, describes in conjunction with embodiment disclosed hereinThe unit of each example and algorithm steps, can come with electronic hardware, computer software or the combination of the twoRealize, for the interchangeability of hardware and software is clearly described, in the above description according to functionComposition and the step of each example have been described in general manner. These functions are come with hardware or software mode actuallyCarry out, depend on application-specific and the design constraint of technical scheme. Professional and technical personnel can be to oftenIndividual specifically should being used for realized described function with distinct methods, but this realization should not be thoughtExceed scope of the present invention.
The method of describing in conjunction with embodiment disclosed herein or the step of algorithm can be used hardware, processingThe software module that device is carried out, or the combination of the two is implemented. Software module can be placed in random access memory(RAM), internal memory, read-only storage (ROM), electrically programmable ROM, electrically erasable ROM,Known any other form in register, hard disk, moveable magnetic disc, CD-ROM or technical fieldStorage medium in.
Above-described detailed description of the invention, carries out object of the present invention, technical scheme and beneficial effectFurther description, institute it should be understood that the foregoing is only the specific embodiment of the present invention and, the protection domain being not intended to limit the present invention, within the spirit and principles in the present invention all, institute doesAny amendment, be equal to replacement, improvement etc., within all should being included in protection scope of the present invention.
Claims (4)
1. a preparation method for amorphous band, is characterized in that, described method comprises:
Obtain water temperature detection signal, generate water temperature control signal according to described water temperature detection signal, make to flow throughIt is constant that the water temperature of crystallizer keeps;
Gather flow detecting signal, produce flow regulating signal according to described flow detecting signal water pump is enteredRow VFC, uses so that the water flow of described crystallizer keeps constant;
Gather the distance detection signal between nozzle and described crystallizer, according to described apart from detection signal and bandMaterial thickness targets value generates distance and adjusts signal, adjusts the position of nozzle; Wherein, described thickness of strip orderScale value is what preset and store;
Described according to described water temperature detection signal generation water temperature control signal, the water temperature that flows through crystallizer is protectedHold constant being specially:
The current water temperature and the preset standard water temperature that obtain according to described water temperature detection signal compare, according toComparative result generates described water temperature control signal;
Send described water temperature control signal to water cooling plant, flow through crystallization in order to described water cooling plant controlIt is constant that the water temperature of device keeps.
2. method according to claim 1, is characterized in that, according to described apart from detection signal withThickness of strip desired value generates distance and adjusts signal, and the position of adjusting nozzle is specially:
Go out the distance between described nozzle and described crystallizer according to described apart from detection signal correspondence;
Compare with described thickness of strip desired value according to distance, and according to the result adjustment of described comparisonThe position of nozzle;
In the time that described distance is less than described thickness of strip desired value, generate described distance adjust signal for toThe position of upper adjustment nozzle, increases the distance between nozzle and crystallizer;
In the time that described distance is greater than described thickness of strip desired value, generate described distance adjust signal for toThe position of lower adjustment nozzle, reduces the distance between nozzle and crystallizer.
3. a preparation facilities for amorphous band, is characterized in that, described device comprises: PLC controls mouldPiece, spray hired car, nozzle, crystallizer, water cooling plant, water pump, flowmeter and calibrator;
Flowmeter, for detection of the water flow of described crystallizer, and generates flow detecting signal and sends toPLC control module;
Water pump, for carrying out VFC according to flow regulating signal, provides constant to described water cooling plantThe water of flow;
Water cooling plant, for according to water temperature control signal control flow through crystallizer water temperature keep constant, andGenerate water temperature detection signal and send to PLC control module;
Spray hired car, for carrying described nozzle, and according to distance adjust signal adjust described nozzle with described inDistance between crystallizer;
Nozzle, for spraying molten steel to described crystallizer;
Crystallizer, for forming band by described molten steel in the quick cooled and solidified of crystallizer surface;
Calibrator, for measuring in real time the distance between described nozzle and described crystallizer, and produces distanceDetection signal sends PLC control module to;
PLC control module, for detecting according to described flow detecting signal, water temperature detection signal and distanceSignal produces flow regulating signal, water temperature control signal and distance adjustment signal and sends respectively water pump, water toDevice for cooling and spray hired car;
Described PLC control module specifically comprises traffic monitoring module, for:
Gather flow detecting signal, produce flow regulating signal according to described flow detecting signal water pump is enteredRow VFC, uses so that the water flow of described crystallizer keeps constant;
Described PLC control module specifically comprises water temperature monitoring module, for:
The current water temperature and the preset standard water temperature that obtain according to described water temperature detection signal compare, according toComparative result generates described water temperature control signal;
Send described water temperature control signal to water cooling plant, flow through crystallization in order to described water cooling plant controlIt is constant that the water temperature of device keeps.
4. device according to claim 3, is characterized in that, described PLC control module is specifically wrappedDraw together distance detection module, for:
Go out the distance between described nozzle and described crystallizer according to described apart from detection signal correspondence;
Compare with described thickness of strip desired value according to distance, and according to the result adjustment of described comparisonThe position of nozzle;
In the time that described distance is less than described thickness of strip desired value, generate described distance adjust signal for toThe position of upper adjustment nozzle, increases the distance between nozzle and crystallizer;
In the time that described distance is greater than described thickness of strip desired value, generate described distance adjust signal for toThe position of lower adjustment nozzle, reduces the distance between nozzle and crystallizer.
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| CN104084553B (en) * | 2014-07-24 | 2016-06-22 | 山西太钢不锈钢股份有限公司 | Continuous cast mold soft water automatic regulating system |
| CN105772661B (en) * | 2014-12-26 | 2018-01-30 | 中国科学院宁波材料技术与工程研究所 | The quick solidification equipment of alloy and the method quickly solidified using equipment progress alloy |
| CN115555527B (en) * | 2022-11-16 | 2023-03-24 | 常州创明磁性材料科技有限公司 | Pressure regulating system for crystallizer and control method thereof |
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Address after: 266232 No. 9 Xinyuan East Road, LAN Cun town, Jimo, Qingdao, Shandong Patentee after: Qingdao Yunlu Advanced Materials Technology Co., Ltd. Address before: 266232 No. 9 Xinyuan East Road, LAN Cun town, Jimo, Qingdao, Shandong Patentee before: QINGDAO YUNLU ADVANCED MATERIALS TECHNOLOGY CO., LTD. |