CN110793327A - Belt material switching control system and control method for sintering distributor - Google Patents
Belt material switching control system and control method for sintering distributor Download PDFInfo
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- CN110793327A CN110793327A CN201911125650.8A CN201911125650A CN110793327A CN 110793327 A CN110793327 A CN 110793327A CN 201911125650 A CN201911125650 A CN 201911125650A CN 110793327 A CN110793327 A CN 110793327A
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- Prior art keywords
- distributor
- switching
- detection signal
- belt conveyor
- state
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Classifications
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F27—FURNACES; KILNS; OVENS; RETORTS
- F27D—DETAILS OR ACCESSORIES OF FURNACES, KILNS, OVENS, OR RETORTS, IN SO FAR AS THEY ARE OF KINDS OCCURRING IN MORE THAN ONE KIND OF FURNACE
- F27D3/00—Charging; Discharging; Manipulation of charge
- F27D3/0033—Charging; Discharging; Manipulation of charge charging of particulate material
-
- C—CHEMISTRY; METALLURGY
- C22—METALLURGY; FERROUS OR NON-FERROUS ALLOYS; TREATMENT OF ALLOYS OR NON-FERROUS METALS
- C22B—PRODUCTION AND REFINING OF METALS; PRETREATMENT OF RAW MATERIALS
- C22B1/00—Preliminary treatment of ores or scrap
- C22B1/14—Agglomerating; Briquetting; Binding; Granulating
- C22B1/16—Sintering; Agglomerating
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F27—FURNACES; KILNS; OVENS; RETORTS
- F27B—FURNACES, KILNS, OVENS, OR RETORTS IN GENERAL; OPEN SINTERING OR LIKE APPARATUS
- F27B21/00—Open or uncovered sintering apparatus; Other heat-treatment apparatus of like construction
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F27—FURNACES; KILNS; OVENS; RETORTS
- F27D—DETAILS OR ACCESSORIES OF FURNACES, KILNS, OVENS, OR RETORTS, IN SO FAR AS THEY ARE OF KINDS OCCURRING IN MORE THAN ONE KIND OF FURNACE
- F27D19/00—Arrangements of controlling devices
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F27—FURNACES; KILNS; OVENS; RETORTS
- F27D—DETAILS OR ACCESSORIES OF FURNACES, KILNS, OVENS, OR RETORTS, IN SO FAR AS THEY ARE OF KINDS OCCURRING IN MORE THAN ONE KIND OF FURNACE
- F27D3/00—Charging; Discharging; Manipulation of charge
- F27D2003/0001—Positioning the charge
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F27—FURNACES; KILNS; OVENS; RETORTS
- F27D—DETAILS OR ACCESSORIES OF FURNACES, KILNS, OVENS, OR RETORTS, IN SO FAR AS THEY ARE OF KINDS OCCURRING IN MORE THAN ONE KIND OF FURNACE
- F27D3/00—Charging; Discharging; Manipulation of charge
- F27D2003/0001—Positioning the charge
- F27D2003/0002—Positioning the charge involving positioning devices, e.g. buffers, buffer zones
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F27—FURNACES; KILNS; OVENS; RETORTS
- F27D—DETAILS OR ACCESSORIES OF FURNACES, KILNS, OVENS, OR RETORTS, IN SO FAR AS THEY ARE OF KINDS OCCURRING IN MORE THAN ONE KIND OF FURNACE
- F27D3/00—Charging; Discharging; Manipulation of charge
- F27D2003/0001—Positioning the charge
- F27D2003/0006—Particulate materials
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F27—FURNACES; KILNS; OVENS; RETORTS
- F27D—DETAILS OR ACCESSORIES OF FURNACES, KILNS, OVENS, OR RETORTS, IN SO FAR AS THEY ARE OF KINDS OCCURRING IN MORE THAN ONE KIND OF FURNACE
- F27D19/00—Arrangements of controlling devices
- F27D2019/0028—Regulation
Abstract
The invention belongs to the technical field of industrial computer real-time control, and particularly relates to a belt material switching control system and a belt material switching control method for a sintering distributor. When the distributor is in a belt material switching state, the switching failure caused by material blocking can be effectively avoided, equipment damage is avoided, and maintenance personnel can timely process the equipment through equipment fault judgment, so that economic loss is reduced.
Description
Technical Field
The invention belongs to the technical field of industrial computer real-time control, and particularly relates to a sintering distributor strip switching control system and a sintering distributor strip switching control method.
Background
The sintering production is a process of mixing various powdery iron-containing raw materials with proper amount of fuel and flux, adding proper amount of water, mixing and pelletizing, and then carrying out a series of physical and chemical changes on the materials on sintering equipment to bond mineral powder particles into blocks. The finished product of sintering production is called sinter, and the sinter is the main blast furnace ironmaking raw material.
At present, along with the deep development of the production work after national elimination, the sintering production is also developed towards large-scale and automation. The stockline of the sintering production process is more and more complex, the stockline switching is often required according to the production condition, and the distributor is often adopted to realize the functions. The tripper has also produced some problems in the use, because the sintering deposit is cubic material, when taking the material to carry out the stockline switching, equipment is blocked by the material easily, leads to switching failure, can cause equipment to damage when serious, influences production operation.
Disclosure of Invention
The invention aims to provide a belt material switching control system and a belt material switching control method of a sintering distributor, aiming at the problems existing in the use of the existing sintering distributor.
The purpose of the invention is realized by the following technical scheme:
the invention relates to a belt material switching control system of a sintering distributor, which is characterized by comprising a travel switch arranged in the distributor, a feeding belt conveyor arranged at a feeding hole of the distributor, an electronic belt scale I arranged on the feeding belt conveyor, a discharging belt conveyor arranged at a discharging hole of the distributor A, an electronic belt scale II arranged on the discharging belt conveyor, a mineral bin arranged at a discharging hole of the distributor B, a level indicator arranged on the mineral bin, remote controllers which are respectively arranged on the distributor, the feeding belt conveyor, the discharging belt conveyor and the mineral bin and are used for detecting working current in real time, and the travel switch, the remote controller, the electronic belt scale I, the electronic belt scale II and the logic controller connected with the charge level indicator are connected with the computer control system connected with the logic controller through data communication.
The computer control system comprises a belt material switching state judging unit, a switching success judging unit connected with the belt material switching state judging unit, a fault state judging unit and a material clamping state judging unit which are connected with the switching success judging unit, and a switching control unit which is connected with the switching success judging unit, the fault state judging unit and the material clamping state judging unit.
A control method of a sintering distributor strip material switching control system is characterized by comprising the following steps:
(1) when the distributor switches the material lines according to the production condition, judging whether the distributor is in a material switching state or not according to a distributor feeding belt conveyor working current detection signal, a discharging belt conveyor working current detection signal, an electronic belt scale I and electronic belt scale II detection signal and a material level indicator detection signal;
(2) when the distributor switches the material lines according to the production condition, judging whether the distributor is successfully switched according to the running state of the distributor, the running time of the distributor, the working current detection signal of the distributor, the detection signal of a travel switch, the detection signal of the working current of a discharging belt conveyor of the distributor, the detection signal of an electronic belt scale II and the detection signal of a material level indicator;
(3) judging whether the distributor is in a fault state in real time according to the running state of the distributor, the running time of the distributor, a working current detection signal of the distributor and a discharging direction judgment result of the distributor;
(4) when the distributor is in a strip material switching state, judging whether the distributor is in a material blocking state in real time according to the running state of the distributor, the running time of the distributor, a working current detection signal of the distributor and a discharging direction judgment result of the distributor;
(5) when the distributor switches the material lines according to the production condition, and when the distributor is not in a material-carrying switching state, the system controls the distributor to operate in the target discharging direction until the switching is successful; when the distributor is in a material carrying switching state, the system controls the distributor to run in the target blanking direction, and in the running process, after the distributor is in a material blocking state, the system controls the distributor to run in the target blanking reverse direction for a preset time, and then controls the distributor to run in the target blanking direction again, and the operation is repeated for multiple times until the switching is successful or the switching fails to exceed the preset cycle time; in any case, the distributor stops when in a fault state.
The invention has the advantages that:
according to the belt material switching control system and method of the sintering distributor, when the distributor is in a belt material switching state, switching failure caused by material blocking can be effectively avoided, equipment damage is avoided, maintenance personnel can timely process the equipment through equipment fault judgment, and economic loss is reduced.
Drawings
FIG. 1 is a schematic diagram of the system of the present invention.
FIG. 2 is a schematic diagram of a computer control system according to the present invention.
FIG. 3 is a flow chart of the computer control system of the present invention.
Detailed Description
The following further describes the embodiments of the present invention with reference to the drawings.
As shown in fig. 1-3, the belt material switching control system of the sintering distributor of the present invention is characterized in that it comprises a travel switch 2 disposed in the distributor 1, a feeding belt conveyor 3 disposed at the feeding port of the distributor 1, an electronic belt scale i 4 disposed on the feeding belt conveyor 3, a discharging belt conveyor 5 disposed at the discharging port of the distributor 1A, an electronic belt scale ii 6 disposed on the discharging belt conveyor 5, a mineral bin 7 disposed at the discharging port of the distributor 1B, a level meter 8 disposed on the mineral bin 7, remote controllers disposed on the distributor 1, the feeding belt conveyor 3, the discharging belt conveyor 5 and the mineral bin 7 respectively for detecting the working current in real time, and logic controllers connected to the travel switch 2, the remote controllers, the electronic belt scale i 4, the electronic belt scale ii 6 and the level meter 8 respectively, and the computer control system is connected with the logic controller through data communication.
The computer control system comprises a belt material switching state judging unit, a switching success judging unit connected with the belt material switching state judging unit, a fault state judging unit and a material clamping state judging unit which are connected with the switching success judging unit, and a switching control unit which is connected with the switching success judging unit, the fault state judging unit and the material clamping state judging unit.
A control method of a sintering distributor strip material switching control system is characterized by comprising the following steps:
(1) when the material distributor 1 switches the material lines according to the production condition, judging whether the material distributor 1 is in a material carrying switching state or not according to a detection signal of the working current of the feeding belt conveyor 3 of the material distributor 1, a detection signal of the working current of the discharging belt conveyor 5, detection signals of an electronic belt scale I4 and an electronic belt scale II 6 and a detection signal of a material level indicator 8;
(2) when the distributor 1 switches the material lines according to the production condition, whether the distributor is successfully switched is judged according to the running state of the distributor 1, the running time of the distributor 1, a working current detection signal of the distributor 1, a detection signal of a travel switch 2, a working current detection signal of a discharging belt conveyor 5 of the distributor 1, a detection signal of an electronic belt scale II 6 and a detection signal of a material level meter 8;
(3) judging whether the distributor 1 is in a fault state in real time according to the running state of the distributor 1, the running time of the distributor 1, a working current detection signal of the distributor 1 and a judgment result of the blanking direction of the distributor 1;
(4) when the distributor 1 is in a strip switching state, judging whether the distributor 1 is in a material blocking state in real time according to the running state of the distributor 1, the running time of the distributor 1, a working current detection signal of the distributor 1 and a discharging direction judgment result of the distributor 1;
(5) when the distributor 1 switches the material lines according to the production condition, and when the distributor 1 is not in the material carrying switching state, the system controls the distributor 1 to operate in the target discharging direction until the switching is successful; when the distributor 1 is in a material carrying switching state, the system controls the distributor 1 to run according to the target blanking direction, and in the running process, after the distributor 1 is in a material blocking state, the system controls the distributor 1 to run for a preset time according to the target blanking reverse direction, and then controls the distributor 1 to run according to the target blanking direction again, and the operation is repeated for multiple times until the switching is successful or the switching fails for more than the preset number of times; in any case, the dispenser 1 is stopped when it is in a failure state.
Example (b):
a belt material switching control system and a control method of a sintering distributor are shown in figure 1 and comprise a distributor 1, a travel switch 2 arranged in the distributor 1, a feeding belt conveyor 3, an electronic belt scale I4 arranged on the feeding belt conveyor 3, a discharging belt conveyor 5, an electronic belt scale II 6 arranged on the discharging belt conveyor 5, an ore bin 7, a material level meter 8 arranged on the ore bin 7, a logic controller and a computer control system.
The distributor 1 is provided with a remote controller, and simultaneously detects the working current in real time; the stroke switch 2 is arranged in the distributor 1 and used for detecting the blanking direction of the distributor; the feeding belt conveyor 3 is feeding equipment of the distributor 1, is provided with a remote controller and detects working current in real time; the electronic belt scale I4 is arranged on the feeding belt conveyor 3 and used for detecting the feeding amount of the distributor 1; the discharging belt conveyor 5 is discharging equipment of the distributor 1 in the discharging direction A, is provided with a remote controller and detects working current in real time; the electronic belt scale II 6 is arranged on the discharge belt conveyor 5 and is used for detecting the discharge amount of the distributor 1 in the discharging direction A; the ore bin 7 is a discharging device in the discharging direction B of the distributor 1; the level indicator 8 is arranged on the ore bin 7; the remote control signal of the remote controller is accessed to the logic controller; the working current of the distributor 1, the travel switch 2, the working current of the feeding belt conveyor 3, the working current of the electronic belt scale I4, the working current of the discharging belt conveyor 5, the detection signals of the electronic belt scale II 6 and the charge level indicator 8 are all connected into a logic controller; the logic controller is in data communication with the computer control system.
The schematic structural diagram of the computer control system of the embodiment is shown in fig. 2, and includes the following units:
the belt material switching state judging unit is used for judging whether the distributor is in a belt material switching state or not through intelligent algorithm calculation according to a working current detection signal of the feeding belt conveyor 3, a detection signal of the electronic belt scale I4, a working current detection signal of the discharging belt conveyor 5, a detection signal of the electronic belt scale II 6 and a detection signal of the charge level indicator 8 when the distributor 1 performs material line switching according to the production condition;
the switching success judging unit is used for judging whether the material distributor is successfully switched or not through calculation according to the running state of the material distributor 1, the running time of the material distributor 1, a working current detection signal of the material distributor 1, a detection signal of a travel switch 2, a working current detection signal of a discharging belt conveyor 5, a detection signal of an electronic belt scale II 6 and a detection signal of a material level meter 8 when the material distributor 1 switches the material lines according to the production condition;
the fault state judging unit judges whether the distributor is in a fault state in real time according to the running state of the distributor 1, the running time of the distributor 1, a working current detection signal of the distributor 1 and a judgment result of the switching success judging unit;
and the material clamping state judging unit is used for judging whether the distributor 1 is in a material clamping state or not in real time according to the running state of the distributor 1, the running time of the distributor 1, the working current detection signal of the distributor 1 and the judgment result of the switching success judging unit when the material carrying switching state judging unit judges that the distributor 1 is in the material carrying switching state, and the material clamping state is determined by the following formula (1):
where t is the running time of the distributor 1, k is the adjustment factor, t0Typical values for the operating time of the distributor 1 for switching from 0% to 100% of no material, I is the operating current of the distributor 1, I0For the purpose of switching the typical value of the operating current, I, for the tripper 1 without materialmSwitching the upper limit threshold of the working current for the material carried by the distributor 1;
the switching control unit is used for controlling the distributor 1 to operate in a target discharging direction until the switching is successful when the distributor 1 performs material line switching according to the production condition and the belt material switching state judging unit judges that the distributor is not in the belt material switching state; and when the belt material switching state judging unit judges that the belt material switching state is in a belt material switching state, the distributor 1 is controlled to run in the target blanking direction, and in the running process, after the material blocking state judging unit judges that the material blocking state occurs, the distributor 1 is controlled to run in the target blanking reverse direction for a preset time, the distributor 1 is controlled to run in the target blanking direction again, and the steps are repeated for multiple times until the switching is successful or the switching is failed for more than the preset cycle times. In any case, the failure state determination means stops the operation when determining that the failure state is present.
The flow chart of the computer control system of the embodiment is shown in fig. 3.
According to the belt material switching control system and method of the sintering distributor, when the distributor is in a belt material switching state, switching failure caused by material blocking can be effectively avoided, equipment damage is avoided, maintenance personnel can timely process the equipment through equipment fault judgment, and economic loss is reduced.
Claims (3)
1. A belt material switching control system of a sintering distributor is characterized by comprising a travel switch arranged in the distributor, a feeding belt conveyor arranged at a feeding hole of the distributor, an electronic belt conveyor I arranged on the feeding belt conveyor, a discharging belt conveyor arranged at a discharging hole of the distributor A, an electronic belt conveyor II arranged on the discharging belt conveyor, a mineral bin arranged at a discharging hole of the distributor B, a level indicator arranged on the mineral bin, remote controllers which are respectively arranged on the distributor, the feeding belt conveyor, the discharging belt conveyor and the mineral bin and are used for detecting working current in real time, and the travel switch, the remote controller, the electronic belt scale I, the electronic belt scale II and the logic controller connected with the charge level indicator are connected with the computer control system connected with the logic controller through data communication.
2. The strip material switching control system for a sinter distributor as claimed in claim 1, wherein said computer control system comprises a strip material switching status determining unit, a switching success determining unit connected to the strip material switching status determining unit, a failure status determining unit and a jamming status determining unit both connected to the switching success determining unit, and a switching control unit connected to the switching success determining unit, the failure status determining unit and the jamming status determining unit.
3. A control method of a sintering distributor strip material switching control system is characterized by comprising the following steps:
(1) when the distributor switches the material lines according to the production condition, judging whether the distributor is in a material switching state or not according to a distributor feeding belt conveyor working current detection signal, a discharging belt conveyor working current detection signal, an electronic belt scale I and electronic belt scale II detection signal and a charge level indicator detection signal;
(2) when the distributor switches the material lines according to the production condition, judging whether the distributor is successfully switched according to the running state of the distributor, the running time of the distributor, the working current detection signal of the distributor, the detection signal of a travel switch, the detection signal of the working current of a discharging belt conveyor of the distributor, the detection signal of an electronic belt scale II and the detection signal of a material level indicator;
(3) judging whether the distributor is in a fault state in real time according to the running state of the distributor, the running time of the distributor, a working current detection signal of the distributor and a discharging direction judgment result of the distributor;
(4) when the distributor is in a strip material switching state, judging whether the distributor is in a material blocking state in real time according to the running state of the distributor, the running time of the distributor, a working current detection signal of the distributor and a discharging direction judgment result of the distributor;
(5) when the distributor switches the material lines according to the production condition, and when the distributor is not in a material carrying switching state, the system controls the distributor to operate in the target discharging direction until the switching is successful; when the distributor is in a material carrying switching state, the system controls the distributor to run in the target blanking direction, and in the running process, after the distributor is in a material blocking state, the system controls the distributor to run in the target blanking reverse direction for a preset time, and then controls the distributor to run in the target blanking direction again, and the operation is repeated for multiple times until the switching is successful or the switching fails to exceed the preset cycle time; in any case, the distributor stops when in a fault state.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201911125650.8A CN110793327A (en) | 2019-11-18 | 2019-11-18 | Belt material switching control system and control method for sintering distributor |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201911125650.8A CN110793327A (en) | 2019-11-18 | 2019-11-18 | Belt material switching control system and control method for sintering distributor |
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| Publication Number | Publication Date |
|---|---|
| CN110793327A true CN110793327A (en) | 2020-02-14 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201911125650.8A Pending CN110793327A (en) | 2019-11-18 | 2019-11-18 | Belt material switching control system and control method for sintering distributor |
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| Country | Link |
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| CN (1) | CN110793327A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113252771A (en) * | 2021-06-03 | 2021-08-13 | 中冶北方（大连）工程技术有限公司 | Online detection device and method for FeO content of sinter with inclined sleeve structure |
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| JPH0499135A (en) * | 1990-08-07 | 1992-03-31 | Nkk Corp | Method for controlling sintering of calcined lump ore |
| JP2001031245A (en) * | 1999-07-26 | 2001-02-06 | Nkk Corp | Powdery and granular material delivery/carrying method and device and powdery and granular material delivery device |
| CN201458335U (en) * | 2009-08-13 | 2010-05-12 | 中冶赛迪工程技术股份有限公司 | Electro hydraulic actuating tee joint distributor |
| CN201801185U (en) * | 2010-08-17 | 2011-04-20 | 中冶焦耐(大连)工程技术有限公司 | Automatic distribution system |
| CN201955663U (en) * | 2010-09-16 | 2011-08-31 | 南京科律自动化设备有限公司 | Intelligent control system for raw material conveying equipment |
| CN102963701A (en) * | 2012-12-03 | 2013-03-13 | 中冶长天国际工程有限责任公司 | Dynamic control method and device for sintering distributor |
| CN205708735U (en) * | 2016-03-30 | 2016-11-23 | 江苏鑫三和机械有限公司 | Belt feeder feeding-distribution device |
-
2019
- 2019-11-18 CN CN201911125650.8A patent/CN110793327A/en active Pending
Patent Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH0499135A (en) * | 1990-08-07 | 1992-03-31 | Nkk Corp | Method for controlling sintering of calcined lump ore |
| JP2001031245A (en) * | 1999-07-26 | 2001-02-06 | Nkk Corp | Powdery and granular material delivery/carrying method and device and powdery and granular material delivery device |
| CN201458335U (en) * | 2009-08-13 | 2010-05-12 | 中冶赛迪工程技术股份有限公司 | Electro hydraulic actuating tee joint distributor |
| CN201801185U (en) * | 2010-08-17 | 2011-04-20 | 中冶焦耐(大连)工程技术有限公司 | Automatic distribution system |
| CN201955663U (en) * | 2010-09-16 | 2011-08-31 | 南京科律自动化设备有限公司 | Intelligent control system for raw material conveying equipment |
| CN102963701A (en) * | 2012-12-03 | 2013-03-13 | 中冶长天国际工程有限责任公司 | Dynamic control method and device for sintering distributor |
| CN205708735U (en) * | 2016-03-30 | 2016-11-23 | 江苏鑫三和机械有限公司 | Belt feeder feeding-distribution device |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113252771A (en) * | 2021-06-03 | 2021-08-13 | 中冶北方（大连）工程技术有限公司 | Online detection device and method for FeO content of sinter with inclined sleeve structure |
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