CN110129498A - A kind of blanking method for monitoring state - Google Patents
A kind of blanking method for monitoring state Download PDFInfo
- Publication number
- CN110129498A CN110129498A CN201910414768.6A CN201910414768A CN110129498A CN 110129498 A CN110129498 A CN 110129498A CN 201910414768 A CN201910414768 A CN 201910414768A CN 110129498 A CN110129498 A CN 110129498A
- Authority
- CN
- China
- Prior art keywords
- value
- blanking
- material position
- time
- alarming value
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Granted
Links
Classifications
-
- C—CHEMISTRY; METALLURGY
- C21—METALLURGY OF IRON
- C21B—MANUFACTURE OF IRON OR STEEL
- C21B5/00—Making pig-iron in the blast furnace
- C21B5/006—Automatically controlling the process
-
- C—CHEMISTRY; METALLURGY
- C21—METALLURGY OF IRON
- C21B—MANUFACTURE OF IRON OR STEEL
- C21B2300/00—Process aspects
Landscapes
- Engineering & Computer Science (AREA)
- Chemical & Material Sciences (AREA)
- Manufacturing & Machinery (AREA)
- Materials Engineering (AREA)
- Metallurgy (AREA)
- Organic Chemistry (AREA)
- Emergency Alarm Devices (AREA)
- Measurement Of Levels Of Liquids Or Fluent Solid Materials (AREA)
Abstract
The present invention relates to a kind of blanking method for monitoring state, belong to industrial blanking monitoring field, preset slow material alarming value Lm, fluffy material alarming value Lp；Material position value Ln is detected at interval of a period of time since blanking, and the material position value detected after certain interval of time again is denoted as L(n+1), difference DELTA Ln=Ln-L(n+1 of material position), the difference DELTA Ln of material position is compared with slow material alarming value Lm and fluffy material alarming value Lp, judges blanking state.The present invention is not by stopping to detect material position value, it calculates the difference of material position and compares with slow material alarming value and fluffy material alarming value, slow material accident or fluffy material accident are found in time and carry out warning output, operating personnel is notified to handle, effectively prevent the generation of safety accident, reduce operating personnel simultaneously and observe the frequency, improves work efficiency, reduce labor intensity.
Description
Technical field
The present invention relates to a kind of blanking method for monitoring state, belong to industrial blanking monitoring field.
Background technique
Existing blast furnace bucket blanking method for monitoring state mainly uses two methods, and a kind of method is fixed by setting
The blanking time is monitored, and this method easily causes slow material accident or fluffy material accident to occur；Another method is using radar
Material-level measure blanking is monitored, and warning output is carried out when batch can does not send out null value for a long time, and this method is easy due to alarm
Output not in time, causes operating personnel that cannot find to handle slow material accident or fluffy material accident in time；Therefore existing blast furnace bucket
Blanking method for monitoring state easily causes slow material accident or fluffy material accident, leads to safety accident, brings for blast furnace safety production
Very big hidden danger.
Summary of the invention
The object of the present invention is to provide a kind of blanking method for monitoring state.
To achieve the goals above, the technical solution adopted by the present invention is that:
A kind of blanking method for monitoring state presets slow material alarming value Lm, fluffy material alarming value Lp；At interval of one since blanking
The section time detects material position value Ln, and the material position value detected after certain interval of time again is denoted as L(n+1), the difference DELTA of material position
Ln=Ln-L(n+1), the difference DELTA Ln of material position is compared with slow material alarming value Lm and fluffy material alarming value Lp, judges blanking shape
State.
Technical solution of the present invention further improvement lies in that: detailed process is as follows for the method,
1), batch can blanking starts；
2) material position value Ln, is detected at interval of a period of time, and the material position value detected after certain interval of time again is denoted as L(n+
1), difference DELTA Ln=Ln-L(n+1 of material position)；N takes 1 when detecting for the first time, then detects material position value for L1, after certain interval of time
The material position value detected again is L2, difference DELTA L1=L1-L2 of material position；
3), the difference DELTA Ln of material position is compared with slow material alarming value Lm and fluffy material alarming value Lp；Be when comparing for the first time by
The difference DELTA L1 of material position is compared with slow material alarming value Lm and fluffy material alarming value Lp；
4), as Δ Ln > Lm, step 2, L(n+1 are returned to) it calculates in relatively in a new round and is reused as minuend；When
When Δ Ln≤Lm, by Δ Ln compared with Lp progress is secondary；If Δ Ln > Lp, slow material warning output is carried out, if Δ Ln≤Lp,
Carry out fluffy material warning output；And so on, until blanking terminates.
Technical solution of the present invention further improvement lies in that: judge that blanking terminates that detailed process is as follows, presets most
Material position value L(n+1) is compared, as L(n+1 by low material position value Ld with Ld every time) > Ld when, then carry out the same Lm of Δ Ln
With the comparison of Lp；As L(n+1)≤Ld when, this blanking terminates.
Technical solution of the present invention further improvement lies in that: the certain interval of time be 0.5-1.5 seconds.
Technical solution of the present invention further improvement lies in that: warning output described in step 4) be in alarm system it is enterprising
The prompt of row picture and audible alarm.
Technical solution of the present invention further improvement lies in that: the slow material alarming value Lm is 3 < Lm≤6cm, described
Fluffy material alarming value Lp is 0-3cm.
Technical solution of the present invention further improvement lies in that: the minimum material position value Ld be 40-60cm.
Blanking method for monitoring state of the invention reuses the numerical value of detection by constantly detecting to material position value
It calculates the difference of material position and compares with slow material alarming value and fluffy material alarming value, find slow material accident or fluffy material accident in time and carry out
Warning output notifies operating personnel to handle, compared to existing setting blanking time monitoring and radar material-level measure blanking
Monitoring, increases the monitoring frequency, shortens the time of discovery accident, simultaneously because judgement is compared to the difference of material position,
A possibility that reducing erroneous judgement, increases accuracy, is capable of the generation of more efficient prevention safety accident.
Blanking method for monitoring state of the invention reduces operating personnel's field observation frequency since warning output is accurate,
It improves work efficiency, reduces labor intensity.
Detailed description of the invention
Fig. 1 is monitoring method flow chart of the present invention.
Specific embodiment
With reference to the accompanying drawing and specific embodiment is described in further details the present invention, it should be understood that described implementation
Example for explaining only the invention, does not limit the present invention.
This method is suitable for being monitored blast furnace bucket blanking state, while being also applied for putting to material-level measure
Expect that the facilities such as feed bin and intermediate bin carry out blanking condition monitoring.
Preset slow material alarming value Lm, fluffy material alarming value Lp；Material position value is detected at interval of a period of time since blanking
Ln, and the material position value detected after certain interval of time again is denoted as L(n+1), difference DELTA Ln=Ln-L(n+1 of material position), it will expect
The difference DELTA Ln of position is compared with slow material alarming value Lm and fluffy material alarming value Lp, judges blanking state.Concrete operation method is such as
Under:
1), batch can blanking starts；
2), at interval of a period of time detect material position value Ln, for the first time detect when n take 1, then the material position value detected be L1, again between
The material position value detected after a period of time is L2, and the difference of material position is Δ L1=L1-L2；
3), the difference DELTA L1 of material position is compared with slow material alarming value Lm and fluffy material alarming value Lp；
4), as Δ L1 > Lm, step 2 is returned to, L2 is calculated in relatively in a new round and reused as minuend；As Δ L1
When≤Lm, by Δ L1 compared with Lp progress is secondary；If Δ L1 > Lp, carries out slow material warning output and carried out if Δ L1≤Lp
Fluffy material warning output；And so on, until blanking terminates.
The method that blanking terminates is judged simultaneously are as follows: minimum material position value Ld is preset, every time before step 3) starts comparison
Material position value L(n+1) is compared with Ld, as L(n+1) > Ld when, then carry out Δ Ln with the comparison of Lm and Lp；Work as L(n+1)≤
When Ld, this blanking terminates；It is calculated in relatively for the first time and is compared L2 with Ld, and so on.
The wherein measurement material position value L3 after being calculated as certain interval of time of a new round, calculates Δ L2=L2-L3.Using L3 with
Ld compares, and Δ L2 is compared with Lm and Lp.Δ L3, Δ L4 ... the calculation method of Δ Ln carries out in a manner described.
The flow chart of specific batch can blanking method for monitoring state is detailed in Fig. 1.
Here is specific embodiment:
Embodiment 1
Slow material alarming value Lm is set in the present embodiment as 5cm, fluffy material alarming value Lp is 2cm, and minimum material position value Ld is 50cm, specifically
Deterministic process is as follows；
1), batch can blanking starts；
2), at interval of 1 second detection material position value Ln, n takes 1 when detecting for the first time, then detecting material position value is L1, is spaced 1 second again
The material position value detected after clock is L2, and the difference of material position is Δ L1=L1-L2；
3) L2 is compared with minimum material position value 50cm, judges whether that blanking terminates, as L2≤50cm, this blanking knot
Beam；As L2 > 50cm, the difference DELTA L1 of material position is compared with slow material alarming value 5cm and fluffy material alarming value 2cm；
4), as Δ L1 > 5cm, step 2 is returned to, L2 is calculated in relatively in a new round and reused as minuend；As Δ L1
When≤5cm, by Δ L1 compared with 2cm progress is secondary；If Δ L1 > 2cm, slow material warning output is carried out, if Δ L1≤2cm,
Carry out fluffy material warning output；And so on, until blanking terminates.
The wherein measurement material position value L3 after being calculated as certain interval of time of a new round, calculates Δ L2=L2-L3.Using L3 with
50cm compares, and Δ L2 is compared with 5cm and 2cm.Δ L3, Δ L4 ... the calculation method of Δ Ln in a manner described into
Row.
Embodiment 2
Slow material alarming value Lm is set in the present embodiment as 4cm, fluffy material alarming value Lp is 1cm, and minimum material position value Ld is 45cm, specifically
Deterministic process is as follows；
1), batch can blanking starts；
2), at interval of 1 second detection material position value Ln, n takes 1 when detecting for the first time, then detecting material position value is L1, is spaced 1 second again
The material position value detected again after clock is L2, and the difference of material position is Δ L1=L1-L2；
3) L2 is compared with minimum material position value 45cm, judges whether that blanking terminates, as L2≤45cm, this blanking knot
Beam；As L2 > 45cm, the difference DELTA L1 of material position is compared with slow material alarming value 4cm and fluffy material alarming value 1cm；
4), as Δ L1 > 4cm, step 2 is returned to, L2 is calculated in relatively in a new round and reused as minuend；As Δ L1
When≤4cm, by Δ L1 compared with 1cm progress is secondary；If Δ L1 > 1cm, slow material warning output is carried out, if Δ L1≤1cm,
Carry out fluffy material warning output；And so on, until blanking terminates.
The wherein measurement material position value L3 after being calculated as certain interval of time of a new round, calculates Δ L2=L2-L3.Using L3 with
45cm compares, and Δ L2 is compared with 4cm and 1cm.Δ L3, Δ L4 ... the calculation method of Δ Ln in a manner described into
Row.
Embodiment 3
Slow material alarming value Lm is set in the present embodiment as 6cm, fluffy material alarming value Lp is 3cm, and minimum material position value Ld is 60cm, specifically
Deterministic process is as follows；
1), batch can blanking starts；
2), at interval of 1.5 seconds detection material position value Ln, n takes 1 when detecting for the first time, then detecting material position value is L1, then minor tick
The material position value detected again after 1.5 seconds is L2, and the difference of material position is Δ L1=L1-L2；
3) L2 is compared with minimum material position value 60cm, judges whether that blanking terminates, as L2≤60cm, this blanking knot
Beam；As L2 > 60cm, the difference DELTA L1 of material position is compared with slow material alarming value 6cm and fluffy material alarming value 3cm；
4), as Δ L1 > 6cm, step 2 is returned to, L2 is calculated in relatively in a new round and reused as minuend；As Δ L1
When≤6cm, by Δ L1 compared with 3cm progress is secondary；If Δ L1 > 3cm, slow material warning output is carried out, if Δ L1≤3cm,
Carry out fluffy material warning output；And so on, until blanking terminates.
The wherein measurement material position value L3 after being calculated as certain interval of time of a new round, calculates Δ L2=L2-L3.Using L3 with
60cm compares, and Δ L2 is compared with 6cm and 3cm.Δ L3, Δ L4 ... the calculation method of Δ Ln in a manner described into
Row.
Embodiment 4
Slow material alarming value Lm is set in the present embodiment as 4cm, fluffy material alarming value Lp is 0cm, and minimum material position value Ld is 40cm, specifically
Deterministic process is as follows；
1), batch can blanking starts；
2), at interval of 0.5 second detection material position value Ln, n takes 1 when detecting for the first time, then detecting material position value is L1, then minor tick
The material position value detected again after 0.5 second is L2, and the difference of material position is Δ L1=L1-L2；
3) L2 is compared with minimum material position value 40cm, judges whether that blanking terminates, as L2≤40cm, this blanking knot
Beam；As L2 > 40cm, the difference DELTA L1 of material position is compared with slow material alarming value 4cm and fluffy material alarming value 0cm；
4), as Δ L1 > 4cm, step 2 is returned to, L2 is calculated in relatively in a new round and reused as minuend；As Δ L1
When≤4cm, by Δ L1 compared with 0cm progress is secondary；If Δ L1 > 0cm, slow material warning output is carried out, if Δ L1≤0cm,
Carry out fluffy material warning output；And so on, until blanking terminates.
The wherein measurement material position value L3 after being calculated as certain interval of time of a new round, calculates Δ L2=L2-L3.Using L3 with
40cm compares, and Δ L2 is compared with 4cm and 0cm.Δ L3, Δ L4 ... the calculation method of Δ Ln in a manner described into
Row.
The material position value L(n+1 detected after certain interval of time again in this method) it is compared with minimum material position value Ld, mesh
Be to be able to more timely find that blanking terminates, to judge whether this method terminates.The implementation of usual this method be
Increase a kind of data calculating multilevel iudge output program in material detection program.
Blanking method for monitoring state of the invention reuses the numerical value of detection by constantly detecting to material position value
It calculates the difference of material position and compares with slow material alarming value and fluffy material alarming value, find slow material accident or fluffy material accident in time and carry out
Warning output notifies operating personnel to handle, compared to existing setting blanking time monitoring and radar material-level measure blanking
Monitoring, increases the monitoring frequency, shortens the time of discovery accident, simultaneously because judgement is compared to the difference of material position,
A possibility that reducing erroneous judgement, increases accuracy, is capable of the generation of more efficient prevention safety accident.
Blanking method for monitoring state of the invention reduces operating personnel's field observation frequency since warning output is accurate,
It improves work efficiency, reduces labor intensity.
Claims (7)
1. a kind of blanking method for monitoring state, it is characterised in that: preset slow material alarming value Lm, fluffy material alarming value Lp；Under
Material starts to detect material position value Ln at interval of a period of time, and the material position value detected after certain interval of time again is denoted as L(n+
1), difference DELTA Ln=Ln-L(n+1 of material position), the difference DELTA Ln of material position is carried out with slow material alarming value Lm and fluffy material alarming value Lp
Compare, judges blanking state.
2. a kind of blanking method for monitoring state according to claim 1, it is characterised in that: the detailed process of the method is such as
Under,
1), batch can blanking starts；
2) material position value Ln, is detected at interval of a period of time, and rear primary material position value is denoted as L(n+1), the difference DELTA Ln of material position
=Ln-L(n+1)；N takes 1 when detecting for the first time, then detecting material position value is L1, the material position detected again after certain interval of time
Value is L2, difference DELTA L1=L1-L2 of material position；
3), the difference DELTA Ln of material position is compared with slow material alarming value Lm and fluffy material alarming value Lp；Be when comparing for the first time by
The difference DELTA L1 of material position is compared with slow material alarming value Lm and fluffy material alarming value Lp；
4), as Δ Ln > Lm, step 2, L(n+1 are returned to) it calculates in relatively in a new round and is reused as minuend；When
When Δ Ln≤Lm, by Δ Ln compared with Lp progress is secondary；If Δ Ln > Lp, slow material warning output is carried out, if Δ Ln≤Lp,
Carry out fluffy material warning output；And so on, until blanking terminates.
3. a kind of blanking method for monitoring state according to claim 2, it is characterised in that: judge the specific mistake that blanking terminates
Journey is as follows, presets minimum material position value Ld, is every time compared material position value L(n+1) with Ld, as L(n+1) > Ld when, then
The Δ Ln is carried out with the comparison of Lm and Lp；As L(n+1)≤Ld when, this blanking terminates.
4. a kind of blanking method for monitoring state according to claim 1 or claim 2, it is characterised in that: the certain interval of time
It is 0.5-1.5 seconds.
5. a kind of blanking method for monitoring state according to claim 2, it is characterised in that: warning output described in step 4)
To carry out picture prompt and audible alarm in alarm system.
6. a kind of blanking method for monitoring state according to claim 1 or claim 2, it is characterised in that: the slow material alarming value Lm
It is 0-3cm for 3 < Lm≤6cm, the fluffy material alarming value Lp.
7. a kind of blanking method for monitoring state according to claim 3, it is characterised in that: the minimum material position value Ld is
40-60cm。
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910414768.6A CN110129498B (en) | 2019-05-17 | 2019-05-17 | Blanking state monitoring method |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910414768.6A CN110129498B (en) | 2019-05-17 | 2019-05-17 | Blanking state monitoring method |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN110129498A true CN110129498A (en) | 2019-08-16 |
| CN110129498B CN110129498B (en) | 2021-03-12 |
Family
ID=67571211
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201910414768.6A Active CN110129498B (en) | 2019-05-17 | 2019-05-17 | Blanking state monitoring method |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN110129498B (en) |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101487664A (en) * | 2009-02-12 | 2009-07-22 | 中冶长天国际工程有限责任公司 | Material flow control apparatus and method for sintered batching ore storage bin |
| JP5610824B2 (en) * | 2009-04-21 | 2014-10-22 | 新日鐵住金株式会社 | SOUNDING DEVICE CONTROL METHOD AND SOUNDING DEVICE CONTROL DEVICE |
| CN104894311A (en) * | 2015-05-19 | 2015-09-09 | 宁波钢铁有限公司 | Control method of automatic feeding system of unloading trailer on blast furnace tank |
| CN205209581U (en) * | 2015-12-08 | 2016-05-04 | 徐州华润电力有限公司 | Material level measurement system |
| CN107462302A (en) * | 2017-08-02 | 2017-12-12 | 浙江中产科技有限公司 | A kind of method of laser material position data processing |
-
2019
- 2019-05-17 CN CN201910414768.6A patent/CN110129498B/en active Active
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101487664A (en) * | 2009-02-12 | 2009-07-22 | 中冶长天国际工程有限责任公司 | Material flow control apparatus and method for sintered batching ore storage bin |
| JP5610824B2 (en) * | 2009-04-21 | 2014-10-22 | 新日鐵住金株式会社 | SOUNDING DEVICE CONTROL METHOD AND SOUNDING DEVICE CONTROL DEVICE |
| CN104894311A (en) * | 2015-05-19 | 2015-09-09 | 宁波钢铁有限公司 | Control method of automatic feeding system of unloading trailer on blast furnace tank |
| CN205209581U (en) * | 2015-12-08 | 2016-05-04 | 徐州华润电力有限公司 | Material level measurement system |
| CN107462302A (en) * | 2017-08-02 | 2017-12-12 | 浙江中产科技有限公司 | A kind of method of laser material position data processing |
Also Published As
| Publication number | Publication date |
|---|---|
| CN110129498B (en) | 2021-03-12 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN104464158B (en) | Fire alarm linkage control method and system | |
| CN113658414A (en) | Mine equipment fault early warning method and device, terminal equipment and storage medium | |
| CN107829780B (en) | A kind of gas false alarm recognition methods based on coal mine safety monitoring networked system | |
| CN104835291A (en) | Remote real-time on-line monitoring system and monitoring method of radioactive source | |
| CN104626492B (en) | A kind of injection molding monitor and detection system and operating method based on machine vision | |
| CN110129498A (en) | A kind of blanking method for monitoring state | |
| CN111009098A (en) | Safety distance early warning method and system | |
| CN113075438B (en) | Electricity stealing detection method and device, electricity stealing prevention device and readable storage medium | |
| CN116659657A (en) | Noise monitoring system and method for night construction | |
| CN113552853B (en) | Alarm management method and device for multiple working conditions of chemical system | |
| CN115862275A (en) | Abnormity alarm method, system and equipment based on real-time data acquisition of ring main unit | |
| CN114120582B (en) | Construction area intrusion protection alarm monitoring device and alarm method | |
| CN112366012B (en) | Water level early warning method and device for steam generator, terminal equipment and storage medium | |
| JP2001194112A (en) | Alarm method and apparatus for displacement of tunnel working face | |
| CN110940448A (en) | Anchor rod axial force alarm device | |
| CN104176643A (en) | Method for selecting working conditions of main and auxiliary arms of crane, control device and crane | |
| CN210514972U (en) | Belt conveyor safety monitoring and control system based on vision AI | |
| CN111415501A (en) | Workshop monitoring and alarming method and system based on wearable device | |
| CN107436585B (en) | The control method of temperature interlock protection | |
| JPH06281544A (en) | Plant monitor and diagnostic apparatus and abnormality indication judgment method | |
| CN112447030A (en) | Liquid leakage detection system and method | |
| CN105289831A (en) | Protection method for production line, protection line protection system and production line | |
| CN110596753A (en) | Earthquake monitoring system and method for research pile | |
| WO2011096681A2 (en) | Apparatus for monitoring the state of the tip of a plasma cutting device | |
| EP3923024A1 (en) | Radar detection in environments with disturbing elements |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| GR01 | Patent grant | ||
| GR01 | Patent grant |