CN110293134A - A kind of hot-rolled strip production line mm finishing mill unit energy-saving mode control system and method - Google Patents

A kind of hot-rolled strip production line mm finishing mill unit energy-saving mode control system and method Download PDF

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Publication number
CN110293134A
CN110293134A CN201910729568.XA CN201910729568A CN110293134A CN 110293134 A CN110293134 A CN 110293134A CN 201910729568 A CN201910729568 A CN 201910729568A CN 110293134 A CN110293134 A CN 110293134A
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CN
China
Prior art keywords
hot
finishing mill
mill unit
unit
metal detector
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Pending
Application number
CN201910729568.XA
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Chinese (zh)
Inventor
黄治东
王化巨
刘洪成
孙正旭
张桂南
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Shandong Iron and Steel Group Co Ltd SISG
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Shandong Iron and Steel Group Co Ltd SISG
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Application filed by Shandong Iron and Steel Group Co Ltd SISG filed Critical Shandong Iron and Steel Group Co Ltd SISG
Priority to CN201910729568.XA priority Critical patent/CN110293134A/en
Publication of CN110293134A publication Critical patent/CN110293134A/en
Pending legal-status Critical Current

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    • BPERFORMING OPERATIONS; TRANSPORTING
    • B21MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
    • B21BROLLING OF METAL
    • B21B37/00Control devices or methods specially adapted for metal-rolling mills or the work produced thereby

Abstract

This application discloses a kind of hot-rolled strip production line mm finishing mill unit energy-saving mode control system and methods, comprising: for detect hot-strip whether hot metal detector in place;It batches for batching hot-strip and can issuing after the completion of fourth hand makees and completes signal and batch unit;For controlling the controller of the mm finishing mill unit speed of service, controller can be according to hot metal detector and the information for batching unit sending, hot metal detector issue without steel signal and batch unit sending batch complete signal when, mm finishing mill unit is controlled according to preset ratio reduction of speed, and when hot metal detector sending has steel signal, control mm finishing mill unit restores normal speed;Controller and hot metal detector and unit communication connection is batched, hot metal detector is mounted on the front end of mm finishing mill unit, batches the downstream that unit is located at mm finishing mill unit.Control system provided herein can effectively mitigate the unloaded abrasion of mm finishing mill unit roll, to realize the purpose for reducing production cost.

Description

A kind of hot-rolled strip production line mm finishing mill unit energy-saving mode control system and method
Technical field
This application involves metallurgical technology fields, more particularly to a kind of hot-rolled strip production line mm finishing mill unit energy-saving mode control System and method processed.
Background technique
For hot-rolled strip production line mm finishing mill unit during normal production, mm finishing mill unit speed can be according to the work of rolled strip steel specification Skill requires to be constantly in a specific revolving speed.However, being increasingly enhanced with steel industry market competition, each producing line is for cost Control, the demand of production energy-saving are continuously increased, it is necessary to change the exploitation and spy for carrying out energy-saving mode control according to production model Rope.
In the actual production process, due to some old hot-rolled strip production line ageing equipments, performance decline or upstream Downstream process is abnormal, causes producing line rhythm of production to slow down, the mm finishing mill unit of producing line has a large amount of idle time at this time, if finishing mill Group is still in the high-speed cruising state that strip normally rolls setting speed under idle mode, and one side milling train is in light condition Under energy consumption it is higher, on the other hand, for roll in the unloaded state because of revolving speed height, quick abrasion causes service life to reduce.
Therefore, the energy consumption of mm finishing mill unit how is effectively reduced, is that the technology that those skilled in the art need to solve at present is asked Topic.
Apply for content
The purpose of the application is to provide a kind of hot-rolled strip production line mm finishing mill unit energy-saving mode control system and method, uses In the unloaded abrasion for mitigating mm finishing mill unit roll, energy consumption is reduced, cost is saved.
To achieve the above object, the application provides the following technical solutions:
A kind of hot-rolled strip production line mm finishing mill unit energy-saving mode control system, comprising:
For detect hot-strip whether hot metal detector in place;
It batches for batching the hot-strip and can issuing after the completion of fourth hand makees and completes signal and batch unit;
For controlling the controller of the mm finishing mill unit speed of service, the controller can be according to the hot metal detector With it is described batch unit sending information, the hot metal detector issue without steel signal and it is described batch unit sending batch When completing signal, the mm finishing mill unit is controlled according to preset ratio reduction of speed, and has steel signal in hot metal detector sending When, it controls the mm finishing mill unit and restores normal speed;
The controller and the hot metal detector and described batch unit communication connection, the hot metal detector It is mounted on the front end of the mm finishing mill unit, the downstream batched unit and be located at the mm finishing mill unit.
It preferably, further include for selecting enabling or stopping the operating display of energy-saving mode, on the operating display Equipped with button is enabled, the operating display is connect with the controller.
It preferably, further include the hot coiling machine for being located at the mm finishing mill unit front end and the machinery for flattening the hot-strip Arm, the end of the mechanical arm are movable to the position that the hot coiling machine discharges the hot-strip.
Preferably, the roller-way for being used to support the hot-strip is additionally provided on the hot coiling machine.
Preferably, further include positioned at the front end of the mm finishing mill unit, the mip rolls for flattening the hot-strip, it is described Shield is covered on mip rolls;The shield be equipped with light tank, the installation site of the hot metal detector with it is described The position of light tank is corresponding.
A kind of hot-rolled strip production line mm finishing mill unit energy-saving mode control method is applied to system as described above, including Following steps:
Whether in place hot-strip is obtained by hot metal detector;
Obtain whether hot-strip batches completion by batching unit;
When the hot metal detector issue without steel signal and it is described batch unit sending batch complete signal when, control institute The speed of service of mm finishing mill unit is stated according to preset ratio reduction of speed;
When hot metal detector sending has steel signal, the speed of service for controlling the mm finishing mill unit restores positive constant speed Degree.
Preferably, it further comprises the steps of:
When the type of the hot-strip changes, then the rolling normal speed of the hot-strip after variation is replaced Original normal speed.
Preferably, it is further comprised the steps of: before the step " whether in place obtaining hot-strip by hot metal detector "
Selection enables or stops using mm finishing mill unit Energy Saving Control mode, after enabling mm finishing mill unit Energy Saving Control mode, Then continue to execute subsequent step.
Preferably, the preset ratio is 20-60%.
Hot-rolled strip production line mm finishing mill unit energy-saving mode control system provided herein, comprising: for detecting heat Roll strip whether hot metal detector in place;It is batched for batching the hot-strip and can be issued after the completion of fourth hand makees That completes signal batches unit;For controlling the controller of the mm finishing mill unit speed of service, the controller can be according to described Hot metal detector and the information for batching unit sending, issue without steel signal and described batch in the hot metal detector When completion signal is batched in unit sending, the mm finishing mill unit is controlled according to preset ratio reduction of speed, and in the hot metal detector When sending has steel signal, controls the mm finishing mill unit and restore normal speed;The controller and the hot metal detector and Described to batch unit communication connection, the hot metal detector is mounted on the front end of the mm finishing mill unit, described to batch unit position In the downstream of the mm finishing mill unit.Control system provided herein works as finishing mill by judging mm finishing mill unit operating status Group in the unloaded state, the speed of service of mm finishing mill unit is turned down, to reduce the motor of mm finishing mill unit in milling train no-load condition Under efficiency output, mitigate the unloaded abrasion of mm finishing mill unit roll, to realize the purpose for reducing production cost.
Hot-rolled strip production line mm finishing mill unit energy-saving mode control method provided herein is applied to above system, The following steps are included: whether in place to obtain hot-strip by hot metal detector;It is by batching unit acquisition hot-strip It is no to batch completion;When the hot metal detector issue without steel signal and it is described batch unit sending batch complete signal when, control The speed of service of the mm finishing mill unit is made according to preset ratio reduction of speed;When hot metal detector sending has steel signal, control The speed of service for making the mm finishing mill unit restores normal speed.Control method provided herein, by mm finishing mill unit sky Reduced when load, hot-strip in place after, the mode for speed of resuming operation, reduce energy consumption, meanwhile, no steel signal with batched Light condition can be regarded as after obtaining simultaneously at signal, it is ensured that batch the smooth operating of unit.
Detailed description of the invention
In order to illustrate the technical solutions in the embodiments of the present application or in the prior art more clearly, to embodiment or will show below There is attached drawing needed in technical description to be briefly described, it should be apparent that, the accompanying drawings in the following description is only this Some embodiments of application for those of ordinary skill in the art without creative efforts, can be with It obtains other drawings based on these drawings.
Fig. 1 is a kind of specific implementation of hot-rolled strip production line mm finishing mill unit energy-saving mode control system provided herein The structural schematic diagram of mode;
Fig. 2 is the schematic view of the mounting position of hot metal detector in system shown in FIG. 1;
Fig. 3 is the schematic diagram of operating display in system shown in FIG. 1;
Fig. 4 is the flow chart of hot-rolled strip production line mm finishing mill unit energy-saving mode control method provided herein;
Wherein: hot metal detector (1), mm finishing mill unit (2), batch unit (3), operating display (4), hot coiling machine (5), Mip rolls (6), mechanical arm (7), shield (8).
Specific embodiment
The core of the application is to provide a kind of hot-rolled strip production line mm finishing mill unit energy-saving mode control system and method, energy Energy consumption is enough significantly reduced, cost is saved, reduces the abrasion of equipment.
In order to make those skilled in the art more fully understand application scheme, with reference to the accompanying drawings and detailed description The application is described in further detail.
Please refer to figs. 1 to 4, and Fig. 1 is that hot-rolled strip production line mm finishing mill unit energy-saving mode provided herein controls A kind of structural schematic diagram of specific embodiment of system;Fig. 2 is that the installation site of hot metal detector in system shown in FIG. 1 is shown It is intended to;Fig. 3 is the schematic diagram of operating display in system shown in FIG. 1;Fig. 4 is hot-rolled strip production line provided herein The flow chart of mm finishing mill unit energy-saving mode control method.
In this embodiment, 2 energy-saving mode control system of hot-rolled strip production line mm finishing mill unit includes thermometal detection Device 1 batches unit 3 and controller.
Wherein, whether in place hot metal detector 1 for detecting hot-strip, when hot metal detector 1 detects hot rolling When strip, there can be steel signal to controller sending, it, can be to controller when hot metal detector 1 does not detect hot-strip It issues without steel signal, specifically, hot metal detector 1 can be temperature sensor, when detecting the temperature of hot-strip, just It may determine that as hot-strip movement, certainly, hot metal detector 1 also can choose other kinds of sensor in place, such as Position sensor, sensors in place etc..
Further, unit 3 is batched for batching hot-strip, and can be issued after the completion of fourth hand makees and be batched completion letter Number, i.e. work is batched in the hot-strip after the processing of mm finishing mill unit 2, completion.
Further, for controller for controlling 2 speed of service of mm finishing mill unit, controller can be according to 1 He of hot metal detector Batch unit 3 sending information, hot metal detector 1 issue without steel signal and batch unit 3 sending batch complete signal when, Mm finishing mill unit 2 is controlled according to preset ratio reduction of speed, and when the sending of hot metal detector 1 has steel signal, control mm finishing mill unit 2 is extensive Multiple normal speed.
Above controller and hot metal detector 1 and 3 communication connection of unit is batched, wired or wireless way can be used Connection, hot metal detector 1 is mounted on the front end of mm finishing mill unit 2, specifically, the temperature due to hot-strip is higher, generally 1000 DEG C or more, therefore, the installation of hot metal detector 1 cannot be too close apart from hot-strip, and high temperature can damage thermometal detection Device 1, the distance between hot metal detector 1 and hot-strip can be 4-5m, batch the downstream that unit 3 is located at mm finishing mill unit 2, Enter from the hot-strip after the completion processing of mm finishing mill unit 2 and batches in unit 3.
Control system provided herein, by judging 2 operating status of mm finishing mill unit, when mm finishing mill unit 2 is in unloaded shape Under state, the speed of service of mm finishing mill unit 2 is turned down, to reduce efficiency of the motor of mm finishing mill unit 2 under milling train no-load condition Output mitigates the unloaded abrasion of 2 roll of mm finishing mill unit, to realize the purpose for reducing production cost.
It further include for selecting enabling or stopping the operating display of energy-saving mode on the basis of the respective embodiments described above 4, operating display 4, which is equipped with, enables button, and operating display 4 is connect with controller.
Above-mentioned setting is to be chosen whether to enable 2 section of mm finishing mill unit according to actual rhythm of production for the ease of staff Can production model, there is on operating display 42 production energy-saving mode of mm finishing mill unit to put into button, press controller after investment button It enables, starts to execute 2 production energy-saving mode of mm finishing mill unit.
It further include positioned at the hot coiling machine 5 of 2 front end of mm finishing mill unit and for flattening heat on the basis of the respective embodiments described above The mechanical arm 7 of strip is rolled, the end of mechanical arm 7 is movable to the position that hot coiling machine 5 discharges hot-strip, and mechanical arm 7 can rise To the purpose of expansion hot-strip, so that hot-strip is stretched to plate by bending state, due to the mobile model in the end of mechanical arm 7 It encloses greatly, hot metal detector 1 should be mounted on the position that will not be stopped by mechanical arm 7.
Further, the roller-way for being used to support hot-strip is additionally provided on hot coiling machine 5.
It further include positioned at the front end of mm finishing mill unit 2, for flattening hot-strip on the basis of the respective embodiments described above Mip rolls 6, mip rolls 6 are covered with shield 8 between hot coiling machine 5 and mm finishing mill unit 2 on mip rolls 6;It is set on shield 8 There is light tank, the installation site of hot metal detector 1 and the position of light tank are corresponding.Above-mentioned setting, by hot metal detector 1 Installation site is corresponding with the position of light tank, and due to the effect of shield 8, the interference of mechanical arm 7 can be effectively prevented.
Control system provided by the present embodiment includes controller, smart hot metal detector 1, batches unit 3 and operate aobvious Display screen 4, controller respectively by hot metal detector 1,2 motor of mm finishing mill unit, batch unit 3 and operating display 4 connects;Hot gold Belong to detector 1 for incuding thermal state metal, judging thermal state metal position and being in state to be rolled to controller sending mm finishing mill unit 2 Signal;Unit is crimped, is the downstream process of mm finishing mill unit 2, because the speed and mm finishing mill unit 2 of curling unit are chain, therefore when volume Bent unit coil batches to controller sending after completing and completes signal, and the judgement signal of light condition is in as mm finishing mill unit 2; Operating display 4 enables or stops using 2 Energy Saving Control mode of mm finishing mill unit for selecting.
Specifically, by hot metal detector 1, hot metal detector 1 is lost by inspection on the head of hot-strip in the operation of rolling Become examining to obtain state, mm finishing mill unit 2 enters state to be rolled at this time.Tail part of band steel leaves hot metal detector 1, hot metal detector 1 from examining to become inspection mistake state, and batches unit 3 and issue curling completion signal, and mm finishing mill unit 2 enters light condition at this time.
More specifically, in use, controller receive hot metal detector 1 by examine state be transferred to inspection mistake state, i.e., The sending of hot metal detector 1 has steel signal, and receives the curling that curling unit issues and complete signal, judges at mm finishing mill unit 2 In light condition, controller is to sending instructions under mm finishing mill unit 2 at this time, and control unit is by current normal mill speed by default ratio Example switchs to the low speed speed of service;Such as: normal mill speed is 9m/s, is controlled according to 30% ratio, mm finishing mill unit 2 is in zero load It is run under mode according to the speed of 9*30%=2.7m/s;It is changed into inspection when controller receives hot metal detector 1 and lost by inspection State, i.e. hot metal detector 1 are issued without steel signal, judge that mm finishing mill unit 2 is in state to be rolled, controller is to finish rolling at this time Unit 2 assigns instruction, mm finishing mill unit 2 by low speed speed of service raising speed to current steel setting normal speed.
In addition to above-mentioned 2 energy-saving mode control system of hot-rolled strip production line mm finishing mill unit, present invention also provides a kind of heat Roll 2 energy-saving mode control method of output strip line mm finishing mill unit.
The 2 energy-saving mode control method of hot-rolled strip production line mm finishing mill unit is applied to above system, including following step It is rapid:
Whether in place hot-strip is obtained by hot metal detector 1, specifically, when hot metal detector 1 detects heat When rolling strip, there can be steel signal to controller sending, it, can be to control when hot metal detector 1 does not detect hot-strip Device is issued without steel signal;
It obtains whether hot-strip batches completion by batching unit 3, and is issued after the completion of fourth hand makees and batch completion Signal;
When hot metal detector 1 issue without steel signal and batch unit 3 sending batch complete signal when, judge mm finishing mill unit 2 are in light condition, can control the speed of service of mm finishing mill unit 2 according to preset ratio reduction of speed;
When the sending of hot metal detector 1 has steel signal, the speed of service of control mm finishing mill unit 2 restores normal speed.
Specifically, preset ratio is preferably 20-60%, the selection of preset ratio should be on the basis for reducing no-load power consumption On, energy efficiency, most preferably 30-40% caused by reducing due to speedup or reduction of speed.
On the basis of the respective embodiments described above, further comprise the steps of:
It is when the type of hot-strip changes, then the rolling normal speed replacement of the hot-strip after variation is original Normal speed.Specifically, after strip steel specification changes, finish rolling when mm finishing mill unit 2 is converted into state to be rolled by light condition Mill speed needed for strip after 2 speed raising speed of unit to specification variation.
Specifically, rolling after strip steel specification is changed to SPHC 2.3*1010mm by SPHC 3*1250mm, needed for the former Speed is that mill speed needed for 7.5m/s the latter is 8.5m/s.Assuming that the 2 Energy Saving Control mode of mm finishing mill unit that comes into operation at this time, and control Ratio is 30%, and when mm finishing mill unit 2 is in light condition, 2 speed of service of mm finishing mill unit sets speed according to current specifications at this time Degree is converted into low speed, speed 7.5*30%=2.25m/s.When mm finishing mill unit 2 enters state to be rolled, because specification becomes Change, mm finishing mill unit 2 according to new spec setting speed raising speed, i.e. speed raising speed to 8.5m/s rather than 7.5m/s with adapt to specification become The rolling demand of change.
On the basis of the respective embodiments described above, whether in place step " obtains hot-strip by hot metal detector 1 " It further comprises the steps of: before
Selection enables or stops using 2 Energy Saving Control mode of mm finishing mill unit, when enabling 2 Energy Saving Control mode of mm finishing mill unit Afterwards, then subsequent step is continued to execute, when stopping using 2 Energy Saving Control mode of mm finishing mill unit, then without executing subsequent step.
Control method provided by the present embodiment, by being reduced when mm finishing mill unit 2 is unloaded, hot-strip in place after, The mode for speed of resuming operation, reduce energy consumption, meanwhile, no steel signal and batch completion signal obtain simultaneously after can regard as Light condition, it is ensured that batch the smooth operating of unit 3.
Hot-rolled strip production line mm finishing mill unit energy-saving mode control system provided herein and method are carried out above It is discussed in detail.Specific examples are used herein to illustrate the principle and implementation manner of the present application, above embodiments Explanation be merely used to help understand the present processes and its core concept.It should be pointed out that for the common of the art For technical staff, under the premise of not departing from the application principle, can also to the application, some improvement and modification can also be carried out, these Improvement and modification are also fallen into the protection scope of the claim of this application.

Claims (9)

1. a kind of hot-rolled strip production line mm finishing mill unit energy-saving mode control system characterized by comprising
For detect hot-strip whether hot metal detector (1) in place;
It batches for batching the hot-strip and can issuing after the completion of fourth hand makees and completes signal and batch unit (3);
For controlling the controller of the mm finishing mill unit (2) speed of service, the controller can be according to the hot metal detector (1) and it is described batch unit (3) sending information, the hot metal detector (1) issue without steel signal and the coiling machine When completion signal is batched in group (3) sending, the mm finishing mill unit (2) is controlled according to preset ratio reduction of speed, and is examined in the thermometal When surveying device (1) sending has steel signal, controls the mm finishing mill unit (2) and restore normal speed;
The controller and the hot metal detector (1) and described batch unit (3) communication connection, the thermometal detection Device (1) is mounted on the front end of the mm finishing mill unit (2), the downstream batched unit (3) and be located at the mm finishing mill unit (2).
2. hot-rolled strip production line mm finishing mill unit energy-saving mode control system according to claim 1, which is characterized in that also Including for selecting enabling or stopping the operating display (4) of energy-saving mode, the operating display (4) is equipped with to enable and press Button, the operating display (4) connect with the controller.
3. hot-rolled strip production line mm finishing mill unit energy-saving mode control system according to claim 1, which is characterized in that also Mechanical arm (7) including being located at the hot coiling machine (5) of the mm finishing mill unit (2) front end and for flattening the hot-strip, it is described The end of mechanical arm (7) is movable to the position that the hot coiling machine (5) discharge the hot-strip.
4. hot-rolled strip production line mm finishing mill unit energy-saving mode control system according to claim 3, which is characterized in that institute It states and is additionally provided with the roller-way for being used to support the hot-strip on hot coiling machine (5).
5. hot-rolled strip production line mm finishing mill unit energy-saving mode control system according to any one of claims 1 to 4, Be characterized in that, further include positioned at the front end of the mm finishing mill unit (2), the mip rolls (6) for flattening the hot-strip, it is described Shield (8) are covered on mip rolls (6);The shield (8) is equipped with light tank, the peace of the hot metal detector (1) Holding position is corresponding with the position of the light tank.
6. a kind of hot-rolled strip production line mm finishing mill unit energy-saving mode control method is applied to such as claim 1 to 5 any one The system, which comprises the following steps:
Whether in place hot-strip is obtained by hot metal detector (1);
Obtain whether hot-strip batches completion by batching unit (3);
When the hot metal detector (1) issue without steel signal and it is described batch unit (3) issue batch complete signal when, control The speed of service of the mm finishing mill unit (2) is according to preset ratio reduction of speed;
When the hot metal detector (1), which issues, steel signal, the speed of service for controlling the mm finishing mill unit (2) restores normal Speed.
7. hot-rolled strip production line mm finishing mill unit energy-saving mode control method according to claim 6, which is characterized in that also Comprising steps of
It is when the type of the hot-strip changes, then the rolling normal speed replacement of the hot-strip after variation is original Normal speed.
8. hot-rolled strip production line mm finishing mill unit energy-saving mode control method according to claim 6, which is characterized in that institute It is further comprised the steps of: before stating step " whether in place obtaining hot-strip by hot metal detector (1) "
Selection enables or stops using mm finishing mill unit (2) Energy Saving Control mode, when mm finishing mill unit (2) the Energy Saving Control mode of enabling Afterwards, then subsequent step is continued to execute.
9. according to hot-rolled strip production line mm finishing mill unit energy-saving mode control method described in claim 6 to 8 any one, It is characterized in that, the preset ratio is 20-60%.
CN201910729568.XA 2019-08-08 2019-08-08 A kind of hot-rolled strip production line mm finishing mill unit energy-saving mode control system and method Pending CN110293134A (en)

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Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN110850822A (en) * 2019-11-06 2020-02-28 故城北新建材有限公司 Power-saving control system and method for gypsum board production line
CN110989481A (en) * 2019-10-25 2020-04-10 红云红河烟草(集团)有限责任公司 Energy-saving control system for leaf and stem separation production line
CN111367242A (en) * 2020-02-18 2020-07-03 浙江日鼎涂装科技有限公司 Production monitoring method for intelligent full-automatic coating production line
CN113333481A (en) * 2021-05-31 2021-09-03 广东韶钢松山股份有限公司 On-line detection method and device for hot metal detector state in continuous rolling production line

Cited By (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN110989481A (en) * 2019-10-25 2020-04-10 红云红河烟草(集团)有限责任公司 Energy-saving control system for leaf and stem separation production line
CN110850822A (en) * 2019-11-06 2020-02-28 故城北新建材有限公司 Power-saving control system and method for gypsum board production line
CN110850822B (en) * 2019-11-06 2021-08-06 故城北新建材有限公司 Power-saving control system and method for gypsum board production line
CN111367242A (en) * 2020-02-18 2020-07-03 浙江日鼎涂装科技有限公司 Production monitoring method for intelligent full-automatic coating production line
CN113333481A (en) * 2021-05-31 2021-09-03 广东韶钢松山股份有限公司 On-line detection method and device for hot metal detector state in continuous rolling production line
CN113333481B (en) * 2021-05-31 2022-12-06 广东韶钢松山股份有限公司 On-line detection method and device for hot metal detector state in continuous rolling production line

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