CN104102849B - Method for calculating downtime of hot continuous rolling production process - Google Patents
Method for calculating downtime of hot continuous rolling production process Download PDFInfo
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- CN104102849B CN104102849B CN201410375150.0A CN201410375150A CN104102849B CN 104102849 B CN104102849 B CN 104102849B CN 201410375150 A CN201410375150 A CN 201410375150A CN 104102849 B CN104102849 B CN 104102849B
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Abstract
The invention provides a method for calculating the downtime of a hot continuous rolling production process. The downtime comprises real downtime and equivalent downtime. The method comprises a step of dividing a production process of hot continuous rolling into a plurality of time periods, wherein each time period comprises the following steps: detecting a tapping signal of a heating furnace and a steel rolling signal of a coiling machine; calculating a difference value; taking a time point at which the tapping signal or the steel rolling signal is detected in the previous time as a starting time point of real downtime, and taking a time point at which the tapping signal or the steel rolling signal is detected at present as a finishing time point of the real downtime; determining practical production time; confirming the rated rolling block number of rolled pieces; confirming the practical rolling block number of the roller pieces; calculating equivalent downtime; and displaying the practical downtime and equivalent downtime. The method of the example embodiment of the invention can accurately obtain the downtime of the hot continuous rolling process, improve the production efficiency and guarantee the authenticity of hot continuous rolling scheduling information.
Description
Technical field
This invention relates generally to hot continuous rolling steel rolling field, more particularly, is related to a kind of hot continuous rolling that calculates and produced
The method of the downtime of journey.
Background technology
Rolling production of the downtime of hot continuous rolling production process to hot strip plant is calculated, to improving hot continuous rolling production operation
Rate, improves hot strip plant yield and company's benefit plays very important effect.By calculating the shutdown of hot continuous rolling production process
Time can be derived that the statistics of production operational availability, effective operation time and all kinds of shutdown reasons of each top class in a kindergarten and full factory etc. is a series of
Production target.
The content of the invention
The purpose of exemplary embodiment of the present is to propose a kind of side of the downtime for calculating hot continuous rolling production process
Method, can accurately obtain the downtime of hot continuous rolling production process, improve production efficiency, it is ensured that hot continuous rolling schedule information it is true
Property.
The one side of exemplary embodiment of the present provides a kind of method of the downtime for calculating hot continuous rolling production process,
Wherein, the downtime includes actual downtime and equivalent downtime, and methods described includes：By the production of hot continuous rolling
Journey is divided into multiple time periods, performs following steps to each time period, (a) detects the tapping signal and coiling machine of heating furnace
Coil signal；(b) calculate time point and the last time of currently detected tapping signal or coil signal detect tapping signal or
The difference of the time point of coil signal；(c) when the difference be more than or equal to setting value when, the last time detected tapping signal or
Start time point of the time point of coil signal as the actual downtime, by currently detected tapping signal or coil letter
Number time point as actual downtime end time point；D () deducts the reality by the time included in the time period
Border downtime obtains the actual production time；(e) when the actual production time more than set the continuous production time when, according to rolled piece
Rolling data determines the specified rolling block number of the rolled piece within the actual production time；F () is recorded in hot continuous rolling production process
The tracking data of the rolled piece received from process control level, and calculated within the actual production time according to the tracking data
Go out the block number of the rolled piece of coiling machine, the actual rolling block number as the rolled piece within the actual production time；G () basis exists
The actual rolling block number and specified rolling block number of the rolled piece in the actual production time, calculates equivalent downtime；H () shows
Show the start time point of the actual downtime, the end time point of the actual downtime, the equivalent downtime.
Alternatively, step (e) may include：(e1) when the actual production time is more than the continuous production time is set, from production
Controlled stage obtains the rolling data of the rolled piece, and wherein, the rolling data includes the steel grade of the rolled piece, rolled piece rolling
Target thickness；(e2) reading user is predefined determined according to the steel grade and the target thickness within the actual production time
The rolled piece specified rolling block number.
Alternatively, step (g) may include：Block number is rolled within the actual production time actually less than specified rolling block number
In the case of, according to the actual rolling block number and specified rolling block number of the rolled piece within the actual production time, calculate etc.
Effect downtime.
Alternatively, calculate the formula of equivalent downtime as follows：
T1=(M2-M1)×t
Wherein, T1For equivalent downtime, M2For the specified rolling block number in the actual production time, M1For during actual production
Interior actual rolling block number, t are the standard rolling time for rolling a rolled piece, wherein,t0For during actual production
Between.
Alternatively, methods described can also include：I () is when actual downtime or equivalent downtime are more than the minimum for setting
During downtime, the operation for dividing actual downtime or equivalent downtime of receiving user's input；(j) in response to institute
State operation and the actual downtime or equivalent downtime are divided into into multistage downtime, wherein, when the multistage is shut down
Between and be equal to the actual downtime or equivalent downtime, and every section of downtime is when shutting down more than setting minimum
Between.
Alternatively, step (h) can also include：Multiple predetermined shutdown types are shown, wherein, can also be wrapped after step (h)
Include：The selection operations for selecting a predetermined shutdown type from multiple predetermined shutdown types of receiving user's input；Response
A predetermined shutdown type is selected from the multiple predetermined shutdown type for showing in the selection operation.
Alternatively, step (h) can also include：Multiple predetermined shutdown reasons are shown, wherein, can also be wrapped after step (h)
Include：The selection operations for selecting a predetermined shutdown reason from multiple predetermined shutdown reasons of receiving user's input；Response
A predetermined shutdown reason is selected from the multiple predetermined shutdown reason for showing in the selection operation.
Alternatively, methods described can also include：The predetermined shutdown type with the selection of receiving user's input and with institute
State the corresponding shutdown reason description of the predetermined shutdown reason of selection.
Alternatively, methods described can also include：According to the actual downtime, the production effect of the time period is calculated
Rate, wherein, the formula for calculating the production efficiency of the time period is as follows：
Wherein, η is the production efficiency of the time period, t2For the effective operation time in the time period, t2=T-t3, T
For the time included in the time period, t3For actual downtime, t1For the regulation in the time period production operation when
Between.
It is using the method for the downtime of the calculating hot continuous rolling production process of exemplary embodiment of the present, spontaneous according to coming
The data for producing controlled stage and process control level calculate downtime automatically, make the acquisition to downtime more accurate, effectively carry
High efficiency, it is ensured that the verity of hot continuous rolling schedule information.
Description of the drawings
By the detailed description for carrying out below in conjunction with the accompanying drawings, above and other purpose of exemplary embodiment of the present, spy
Point and advantage will become apparent, wherein：
Fig. 1 is the method for illustrating the downtime for calculating hot continuous rolling production process according to an exemplary embodiment of the present invention
Flow chart.
Specific embodiment
Following description referring to the drawings is provided to help the enforcement to the present invention limited by claim and its equivalent
The comprehensive understanding of example.Including various specific details to help understand, but these details are considered only as being exemplary.Therefore, originally
Field skilled artisan will realize that without departing from the scope and spirit of the present invention, can be to reality described herein
Apply example to make various changes and modifications.Additionally, for clarity and brevity, omit the description to known function and structure.
The essence of the method for the downtime of the calculating hot continuous rolling production process of exemplary embodiment of the present is to choose heat
During rolling production, two critical processes are heated and are batched, and monitor hot continuous rolling life by the condition of production for tracking heating and batch
The actual production time of product process and downtime, preferably management and control hot continuous rolling produce.Particularly, exemplary enforcement of the invention
The production process of hot continuous rolling can be divided into multiple times by the method for the downtime of the calculating hot continuous rolling production process of example first
Section.For example, the production process of hot continuous rolling can be 24 hours one day, then can according to actual production need 24 hours are divided into
3 time periods.Here, as an example, 3 time periods for marking off can be respectively：00:00-08:00 is night shift, 08:00-16:
00 is day shift, 16:00-24:00 is the middle class in a kindergarten.Then during the shutdown of the calculating hot continuous rolling production process of exemplary embodiment of the present
Between method calculate the downtime in each time period respectively.Here, downtime may include actual downtime and equivalent
Downtime.
Below, by based on Fig. 1 come the method for describing the actual downtime and equivalent downtime that calculate random time section.
Fig. 1 is the method for illustrating the downtime for calculating hot continuous rolling production process according to an exemplary embodiment of the present invention
Flow chart.
As shown in figure 1, in step slo, detecting the tapping signal and the coil signal of coiling machine of heating furnace.
In step S20, the time point for calculating currently detected tapping signal or coil signal was detected out with the last time
The difference of the time point of steel signal or coil signal.Here, time point and the last time of currently detected tapping signal can be calculated
The difference of the time point of tapping signal is detected, or the time point of the currently detected coil signal of calculating was detected with the last time
The difference of the time point of coil signal.
In step s 30, when the difference is more than or equal to setting value, the last time is detected tapping signal or coil letter
Number time point as the actual downtime start time point, by it is currently detected tapping signal or coil signal when
Between point as actual downtime end time point.Here, setting value can be set by user.
Particularly, when the time point of currently detected tapping signal or coil signal detects tapping signal with the last time
Or the difference of the time point of coil signal be less than setting value when, show now heating furnace, coiling machine all normal works；When current inspection
Measure the difference of the time point and the last time point for detecting tapping signal or coil signal of tapping signal or coil signal
During more than or equal to setting value, it is considered that there is a problem in process of production.Therefore, can be more than or equal in the difference here
The correspondingly last time is detected into the time point of tapping signal or coil signal as the actual downtime during setting value
Start time point, using it is currently detected tapping signal or coil signal time point as actual downtime end time
Point.
In step s 40, the actual downtime is deducted by the time included in the time period and obtains actual production
Time.For example, if the time period is 00:00-08:00 night shift, then the time included in the time period is just little for 8
When, it is assumed that actual downtime is if 2 hours, then the actual production time is just 8-2=6 hours.
In step s 50, judge the actual production time whether more than the setting continuous production time.Here, set continuous raw
The value of product time can be set by user.
In step S60, when the actual production time is more than or equal to the continuous production time is set, according to the rolling number of rolled piece
According to the specified rolling block number for determining the rolled piece within the actual production time.
Particularly, when the actual production time is more than the continuous production time is set, need to just calculate in the actual production time
Interior equivalent downtime, and then learn the speed of Rolling production rhythm within the actual production time.
Alternatively, the specified rolling block number of the rolled piece within the actual production time is determined according to the rolling data of rolled piece
Step may include：The rolling data of rolled piece is obtained from production controlled stage；Read the predefined root within the actual production time of user
The specified rolling block number of the rolled piece that the target thickness rolled according to the steel grade and rolled piece of rolled piece determines.Here, the rolling of rolled piece
Data may include the material number (for example, coil of strip number, slab number) of rolled piece, the steel grade of rolled piece, the target thickness of rolled piece rolling.
Particularly, obtain after the rolling data of rolled piece from production controlled stage, can read user predefined in actual life
The rolled piece of the steel grade is rolled down to the block number of the target thickness, using user predefined block number as in reality in the product time
The specified rolling block number of rolled piece in production time.Here, it should be appreciated that due to the target thickness of the different of steel grade and rolling
Difference, the block number rolled out within the actual production time are also inevitable different.
In step S70, the tracking of the rolled piece received from process control level in hot continuous rolling production process is recorded
Data, and the block number of the rolled piece for going out coiling machine within the actual production time is calculated according to the tracking data, as described
Actual rolling block number of the rolled piece within the actual production time.
Alternatively, the tracking data of rolled piece can be received from process control level.Here, the tracking data of rolled piece may include：Roll
The material number of part, for example, slab number, coil of strip number；The tracking information of rolled piece, for example, moment of coming out of the stove that rolled piece is come out of the stove from heating furnace,
Rolled piece enters the coil moment of coiling machine, here, described to come out of the stove the moment and the coil moment occurs in pairs.Particularly, exist
Rolled piece can generate data of coming out of the stove after heating stove heat and coming out of the stove, and data of coming out of the stove may include the coil of strip number of rolled piece, rolled piece from heating
What stove was come out of the stove comes out of the stove the moment, and then the rolled piece of the coil of strip number carries out coil through coiling machine again, and machine to be reeled completes coil operation
Afterwards, steel rolling data can be generated, steel rolling data may include that the coil of strip number of rolled piece, rolled piece enter the coil moment of coiling machine.In step
What is recorded in S70 is the rolled piece for all detecting correspondence coil of strip number within the actual production time in come out of the stove data and steel rolling data
Block number.
In step S80, according to actual rolling block number and the specified rolling of the rolled piece within the actual production time
Block number, calculates equivalent downtime.
Alternatively, actual rolling block number and the specified rolling block number meter according to the rolled piece within the actual production time
The step of calculating equivalent downtime may include：Actual rolling block number and specified rolling block number to the rolled piece in the actual production time
It is compared；When actual rolling block number is less than specified rolling block number, according to the actual rolling of the rolled piece within the actual production time
Block number and specified rolling block number, calculate equivalent downtime；When actual rolling block number is more than or equal to specified rolling block number, disregard
Calculate equivalent downtime.
Alternatively, calculate the formula of equivalent downtime as follows：
T1=(M2-M1)×t (1)
In formula (1), T1For equivalent downtime, M2For the specified rolling block number in the actual production time, M1For actual life
Actual rolling block number in the product time, t are the standard rolling time for rolling a rolled piece, wherein,t0For actual production
Time.
In step S90, the start time point of actual downtime is shown, at the end of the actual downtime
Between point, the equivalent downtime.
When the actual production time is less than the continuous production time is set, execution step S100：Equivalent downtime is not calculated.
In the case, start time point, the knot of the actual downtime of the actual downtime is only shown in step S90
Beam time point.
Alternatively, multiple predetermined shutdown types are may also display in step S90.In the case, according to example of the present invention
Property embodiment the method for downtime of calculating hot continuous rolling production process can also include：Receiving user's input for from multiple
It is predetermined to shut down the predetermined selection operation for shutting down type of selection one in type；It is multiple pre- from what is shown in response to the selection operation
Surely a predetermined shutdown type is selected in shutting down type.
Alternatively, multiple predetermined shutdown reasons are may also display in step S90.In the case, according to example of the present invention
Property embodiment the method for downtime of calculating hot continuous rolling production process can also include：Receiving user's input for from multiple
It is predetermined to shut down the predetermined selection operation for shutting down reason of selection one in reason；It is multiple pre- from what is shown in response to the selection operation
Surely a predetermined shutdown reason is selected in shutting down reason.
Alternatively, the method for the downtime for calculating hot continuous rolling production process according to an exemplary embodiment of the present invention can be also
Including：Receiving user's input it is with the predetermined shutdown type of the selection and corresponding with the predetermined shutdown reason of the selection
Shut down reason description.
The method of the downtime for calculating hot continuous rolling production process according to an exemplary embodiment of the present invention can also include：When
Actual downtime or equivalent downtime more than setting minimum downtime when, receiving user's input for dividing reality
Downtime or the operation of equivalent downtime；The actual downtime or equivalent downtime are drawn in response to the operation
It is divided into multistage downtime.Here, as a example by dividing to actual downtime, the multistage downtime and be equal to real
Border downtime, and every section of downtime is more than the minimum downtime of setting.Here, the minimum downtime of setting can be by
User is according to needs of production sets itself.
Particularly, as a example by dividing to actual downtime, stop more than the minimum of setting when actual downtime
During the machine time, can receive user operation with by actual downtime by causing the amortization ratio of object shut down to be divided into multistage
Downtime, every section of downtime can respectively specify that shuts down reason and causes the object shut down.Actual downtime is divided
After for multistage downtime, also need to verify multistage downtime, i.e., multistage downtime and just must be equal to real
Border downtime, the time point at the two ends of every section of downtime can neither have coincidence have interval.
As an example, the content for showing in step S90 may include：The start time point of downtime, downtime
One group informations such as end time point, shutdown type, time period, other class, shutdown reason, shutdown reason description.The one group of letter for showing
Breath is the comprehensive description of every section of downtime in hot continuous rolling production, can be used for by shut down reason, class not, year, month, day to heat even
The Rolling production situation rolled carries out statistical analysiss.
As an example, downtime is particularly shown at least one that form may include in following item：To shut down reason as Y
Axle, time are X-axis, comprising the accounting figure that production time, downtime (containing type is shut down) are constituted, also referred to as dispatch chart, can
More intuitively reflect the downtime of per tour；It is detailed with the downtime that forms mode represents；Year, month, day and the time specified
The downtime statistical information of interval stats, it may include with downtime as Y-axis, shuts down downtime Nogata of the reason for X-axis
Figure；The full factory represented with forms mode and the downtime of Ge Ban；Full factory's production time, the pie chart of downtime.
For example, as a example by representing downtime detail by forms mode, it is assumed that the downtime detail of display is such as following table institute
Show：
1 downtime of table is detailed
As shown in table 1, as an example, making a reservation for shutdown type may include：Actual downtime and equivalent downtime.Can root
A shutdown type is determined according to the selection operation of user input.Similarly, as an example, making a reservation for shutdown reason may include：Shut down,
Other, annual overhaul, overhaul, wait to expect, treat electricity, treat gas, treat heat, inspection, process machine, canyon, steel rolling, heating, roll change, crane etc..
A shutdown reason can be determined according to the selection operation of user input.
For example, with 00:00-08:As a example by 00 night shift, calculating hot continuous rolling according to an exemplary embodiment of the present invention was produced
The method of the downtime of journey can calculate corresponding class not (for example, first, second, third or fourth) automatically.As hot continuous rolling steel rolling is given birth to
The carrying out produced, the method for the downtime of the calculating hot continuous rolling production process of exemplary embodiment of the present can calculate reality automatically
Border downtime and equivalent downtime, then operator on duty are optional shuts down type and shuts down reason, and input stops
Machine reason is described.If the downtime should be responsible for by multiple objects for causing to shut down, operator on duty will can be somebody's turn to do
Downtime is divided into the downtime section of respective numbers, and fill in one by one shutdown reason corresponding with each downtime section and
Shut down reason description.Finally the downtime section to dividing is verified, if verification cannot pass through, illustrates that downtime divides
It is wrong, operator on duty need to examine again, and change.
Alternatively, when operator fill shutdown reason and shut down reason description, and after verification, can show on duty
Scheduling chart, downtime is detailed and downtime statistical information, so it is known that production operational availability on duty, effective
Activity duration.Here, the time of the coil signal of the tapping signal and coiling machine of heating furnace will can be detected as effective operation
Time.
Alternatively, each class of other operator can only fill in the other shutdown type of oneself class, shut down reason, shut down reason
Description, no authority change that other class is other to shut down type, shut down reason, shut down reason description, but can have permission and check complete
Factory and the outage information of Bie Ban.Operator on duty can only authorize typing, modification and the deletion authority of outage information on duty.
Alternatively, the method for the downtime for calculating hot continuous rolling production process according to an exemplary embodiment of the present invention can be also
Including：According to the actual downtime and the equivalent downtime, the production efficiency of the time period is calculated.
Alternatively, the formula for calculating the production efficiency of the time period is as follows：
In formula (2), η is the production efficiency of the time period, t2For the effective operation time in the time period, t2=
T-t3, T is the time included in the time period, t3For actual downtime, t1Production for the regulation in the time period is made
The industry time.Here, it is stipulated that the production operation time can be within the time period except annual overhaul, overhaul, wait to expect, treat electricity, treat
Gas, the time for treating outside the times such as heat, inspection.
Alternatively, the method for the downtime for calculating hot continuous rolling production process according to an exemplary embodiment of the present invention can be also
Including：The tracking data of the rolled piece to receiving from process control level is labeled.
Particularly, the rolled piece of same coil of strip number from heating in the tracking data of the rolled piece for receiving from process control level
What stove was come out of the stove come out of the stove the moment (ta) and into the coil moment (t of coiling machineb) difference must be more than minimum rolling time (tmin),
That is tb-ta＞ tmin, while the moment t that comes out of the stoveaWith coil moment tbMust occur in pairs.If in the steel rolling of current slot
The moment t that comes out of the stove is only detected in production processa, it is not detected by coil moment tb, then this section of time rolling line necessarily occur in that production
Abnormal (for example, roll useless, steel-fastening, melt down)；If only detecting coil moment t during the Rolling production of current slotb,
It is not detected by the moment t that comes out of the stovea, then the tracking signal of rolled piece necessarily malfunction.In the case, only will can detect when coming out of the stove
Carve taOr coil moment tbIt is labeled as " query ".But, for only detecting that the steel rolling initial period in current slot occurs
Coil moment tb, it is not detected by the moment t that comes out of the stoveaIt is then that normally (come out of the stove moment taIn a upper time period), the present invention is exemplary
The method of the downtime of the calculating hot continuous rolling production process of embodiment can correct the minimum rolling time t of addition one automaticallymin's
Come out of the stove moment ta, in the case, ta=tb-tmin；For only detecting that the steel rolling ending phase in current slot occurs
Come out of the stove moment ta, it is not detected by coil moment tb(coil moment tbIn subsequent time period), the meter of exemplary embodiment of the present
The method for calculating the downtime of hot continuous rolling production process can correct the minimum rolling time t of addition one automaticallyminThe coil moment
tb, in the case, tb=ta+tmin。
Additionally, for the Rolling production process of normal hot continuous rolling, the production time started and production end time of rolled piece
Be occur in pairs, and time started and production end time is produced no more than maximum limiting time, therefore, when rolled piece
When the difference of production time started and production end time is more than maximum limiting time, the calculating heat of exemplary embodiment of the present is even
The method for rolling the downtime of production process can be labeled as " amendment " to the production time started of rolled piece and production end time.
It is using the method for the downtime of the calculating hot continuous rolling production process of exemplary embodiment of the present, spontaneous according to coming
The data for producing controlled stage and process control level calculate downtime automatically, make the acquisition to downtime more accurate, effectively carry
High production efficiency, it is ensured that the verity of hot continuous rolling schedule information.
Although being particularly shown with reference to its exemplary embodiment and describing the present invention, those skilled in the art
It should be understood that in the case of the spirit and scope of the present invention limited without departing from claim, form can be carried out to which
With the various changes in details.
Claims (8)
1. it is a kind of calculate hot continuous rolling production process downtime method, wherein, when the downtime includes actual shutdown
Between and equivalent downtime, methods described includes：The production process of hot continuous rolling is divided into into multiple time periods, to each time period
Perform following steps,
The coil signal of the tapping signal and coiling machine of (a) detection heating furnace；
B () calculates currently detected tapping signal or the time point of coil signal detects tapping signal or coil letter with the last time
Number time point difference；
C (), when the difference is more than or equal to setting value, the last time is detected tapping signal or the time point of coil signal is made
For the start time point of the actual downtime, using the time point of currently detected tapping signal or coil signal as reality
The end time point of downtime；
D () deducts the actual downtime by the time included in the time period and obtains the actual production time；
E () is determined in actual production according to the rolling data of rolled piece when the actual production time is more than the continuous production time is set
The specified rolling block number of the rolled piece in time；
The tracking data of the f rolled piece that () record is received from process control level in hot continuous rolling production process, and according to institute
The block number that tracking data calculates the rolled piece for going out coiling machine within the actual production time is stated, as the rolled piece in actual production
Actual rolling block number in time；
G () is calculated equivalent according to the actual rolling block number and specified rolling block number of the rolled piece within the actual production time
Downtime；
H () shows the start time point of actual downtime, the end time point of the actual downtime, described equivalent
Downtime,
Wherein, calculate the formula of equivalent downtime as follows：
T1=(M2-M1)×t
Wherein, T1For equivalent downtime, M2For the specified rolling block number in the actual production time, M1For in the actual production time
Actual rolling block number, t be roll a rolled piece standard rolling time, wherein,t0For the actual production time.
2. method according to claim 1, wherein, step (e) includes：
(e1) when the actual production time is more than the continuous production time is set, the rolling number of the rolled piece is obtained from production controlled stage
According to wherein, the rolling data includes the steel grade of the rolled piece, the target thickness of rolled piece rolling；
(e2) read user it is predefined within the actual production time according to the steel grade and the target thickness determine
The specified rolling block number of rolled piece.
3. method according to claim 1, wherein, step (g) includes：The actual rolling piece within the actual production time
Number less than in the case of specified rolling block number, according to actual rolling block number and the volume of the rolled piece within the actual production time
Surely block number is rolled, equivalent downtime is calculated.
4. method according to claim 1, methods described also include：
(i) when the minimum downtime of actual downtime or equivalent downtime more than setting, the use of receiving user's input
In the operation for dividing actual downtime or equivalent downtime；
J the actual downtime or equivalent downtime are divided into multistage downtime in response to the operation by (), wherein,
The multistage downtime and be equal to the actual downtime or equivalent downtime, and every section of downtime is more than setting
Fixed minimum downtime.
5. method according to claim 1, wherein, step (h) also includes：Multiple predetermined shutdown types are shown,
Wherein, also include after step (h)：
The selection operations for selecting a predetermined shutdown type from multiple predetermined shutdown types of receiving user's input；
A predetermined shutdown type is selected from the multiple predetermined shutdown type for showing in response to the selection operation.
6. method according to claim 5, wherein, step (h) also includes：Multiple predetermined shutdown reasons are shown,
Wherein, also include after step (h)：
The selection operations for selecting a predetermined shutdown reason from multiple predetermined shutdown reasons of receiving user's input；
A predetermined shutdown reason is selected from the multiple predetermined shutdown reason for showing in response to the selection operation.
7. method according to claim 6, methods described also include：Receiving user's input was stopped with the predetermined of the selection
Machine type and the shutdown reason description corresponding with the predetermined shutdown reason of the selection.
8. method according to claim 1, methods described also include：According to the actual downtime, when calculating described
Between section production efficiency, wherein, the formula for calculating the production efficiency of time period is as follows：
Wherein, η is the production efficiency of the time period, t2For the effective operation time in the time period, t2=T-t3, T is institute
State the time included in the time period, t3For actual downtime, t1For the production operation time of the regulation in the time period.
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| CN104391172B (en) * | 2014-12-11 | 2017-03-01 | 柳州钢铁股份有限公司 | Hot continuous rolling coil of strip power consumption monitoring method |
| CN106623446B (en) * | 2016-11-29 | 2018-05-01 | 武汉考克利尔工程技术有限公司 | The coil of strip of fabrication evaluation point starts over time obtaining method on hot rolling mill production line |
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| CN101221417A (en) * | 2007-12-29 | 2008-07-16 | 攀枝花新钢钒股份有限公司 | Virtual rolling simulation method of hot tandem rolling strip steel |
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| CN103252360A (en) * | 2013-05-21 | 2013-08-21 | 山西太钢不锈钢股份有限公司 | Method for controlling acceleration of finish rolling temperature difference of hot continuous rolling special steel |
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