CN108193015A - A kind of converter feeding chute device and converter blanking fault detection method - Google Patents
A kind of converter feeding chute device and converter blanking fault detection method Download PDFInfo
- Publication number
- CN108193015A CN108193015A CN201810230291.1A CN201810230291A CN108193015A CN 108193015 A CN108193015 A CN 108193015A CN 201810230291 A CN201810230291 A CN 201810230291A CN 108193015 A CN108193015 A CN 108193015A
- Authority
- CN
- China
- Prior art keywords
- flap valve
- blanking
- converter
- feeding chute
- valve
- 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.)
- Pending
Links
- 238000001514 detection method Methods 0.000 title claims abstract description 9
- 239000000463 material Substances 0.000 claims abstract description 30
- UGFAIRIUMAVXCW-UHFFFAOYSA-N Carbon monoxide Chemical compound [O+]#[C-] UGFAIRIUMAVXCW-UHFFFAOYSA-N 0.000 claims abstract description 11
- 239000003546 flue gas Substances 0.000 claims abstract description 11
- 230000007306 turnover Effects 0.000 claims description 7
- 238000005303 weighing Methods 0.000 claims description 7
- 230000008054 signal transmission Effects 0.000 claims description 5
- 229910000831 Steel Inorganic materials 0.000 claims description 3
- 239000010959 steel Substances 0.000 claims description 3
- 230000004888 barrier function Effects 0.000 claims description 2
- 238000003723 Smelting Methods 0.000 abstract description 4
- 230000000903 blocking effect Effects 0.000 abstract description 3
- 238000000034 method Methods 0.000 description 5
- 238000001354 calcination Methods 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 238000005516 engineering process Methods 0.000 description 1
- 239000007921 spray Substances 0.000 description 1
- 238000009628 steelmaking Methods 0.000 description 1
Classifications
-
- C—CHEMISTRY; METALLURGY
- C21—METALLURGY OF IRON
- C21C—PROCESSING OF PIG-IRON, e.g. REFINING, MANUFACTURE OF WROUGHT-IRON OR STEEL; TREATMENT IN MOLTEN STATE OF FERROUS ALLOYS
- C21C5/00—Manufacture of carbon-steel, e.g. plain mild steel, medium carbon steel or cast steel or stainless steel
- C21C5/28—Manufacture of steel in the converter
- C21C5/42—Constructional features of converters
- C21C5/46—Details or accessories
- C21C5/466—Charging device for converters
-
- C—CHEMISTRY; METALLURGY
- C21—METALLURGY OF IRON
- C21C—PROCESSING OF PIG-IRON, e.g. REFINING, MANUFACTURE OF WROUGHT-IRON OR STEEL; TREATMENT IN MOLTEN STATE OF FERROUS ALLOYS
- C21C5/00—Manufacture of carbon-steel, e.g. plain mild steel, medium carbon steel or cast steel or stainless steel
- C21C5/28—Manufacture of steel in the converter
- C21C5/42—Constructional features of converters
- C21C5/46—Details or accessories
- C21C5/4673—Measuring and sampling devices
Landscapes
- Engineering & Computer Science (AREA)
- Chemical & Material Sciences (AREA)
- Manufacturing & Machinery (AREA)
- Materials Engineering (AREA)
- Metallurgy (AREA)
- Organic Chemistry (AREA)
- Carbon Steel Or Casting Steel Manufacturing (AREA)
- Furnace Charging Or Discharging (AREA)
Abstract
A kind of converter feeding chute device of the application and converter blanking fault detection method, described device includes blanking chute groove body, at least one converter for summarizing bucket and blanking chute groove body end of blanking chute groove body front end, the blanking chute groove body is equipped with gate valve, stop blanking or startup blanking by inserting or pull out the gate valve to realize, an opening is equipped at the top of the end of the feeding chute, shaft is installed in opening, flap valve is mounted in the shaft, the flap valve can around the shaft be overturn in feeding chute, when there is no material to pass through, flap valve is in plumbness, to stop that the high-temperature flue gas in converter is sprayed to feeding chute.Compared with prior art, feeding chute of the invention is additionally arranged flap valve, and when not having blanking, the thermal-flame and high-temperature flue gas that are generated in smelting furnace are not easy to scurry into feeding chute by flap valve blocking, avoid high temperature and are damaged caused by plate valve body.
Description
Technical field
This application involves converter blanking technical field more particularly to a kind of converter feeding chute device and converter blanking failures
Detection method.
Background technology
It is needed in converter steelmaking process by a variety of balk cargo blankings, blanking process is weighed by Weighing type vibra feeder
Afterwards, by material by, to summarizing in bucket, summarizing under high hopper under open and close control of the material in bucket by the gate valve in chute
Material stops blanking.
But chute of the prior art is provided only with a gate valve, there are the following problems：(1) during blanking at gate valve
The thermal-flame and high-temperature flue gas generated in opening state, smelting furnace is easily scurried into feeding chute, easily to gate valve sheet
Body damages；(2) a small amount of material of discharge outlet encounters the thermal-flame scurried out and high-temperature flue gas and is easily bonded in discharge port,
Over time, discharge port can be caused to block, blanking is not smooth；(3) limit switch of the prior art is mounted on inside feeding chute,
And connect with gate valve, in blanking process, when limiting device breaks down can not accurate judgement gate valve practical blanking feelings
Condition leads to the situation of more blankings or few blanking；(4) limit switch of gate valve is placed in chute interior, replaces difficult.
Therefore, it is badly in need of providing a kind of converter feeding chute device that can solve above-mentioned technical problem and blanking fault detect
Method, this is those skilled in the art's urgent problem to be solved.
Invention content
The application provides a kind of converter feeding chute device and converter blanking fault detection method, to solve to pass through existing skill
The problem of art gate valve is fragile, blanking easily blocks, gate valve failure is not easy detection and gate valve is not easy to replace.
In a first aspect, this application provides a kind of converter feeding chute device, which includes blanking chute groove body, blanking chute
At least one converter for summarizing bucket and blanking chute groove body end of groove body front end, the blanking chute groove body are equipped with gate valve, lead to
It crosses and inserts or pull out the gate valve to realize stopping blanking or start blanking, wherein：
An opening is equipped at the top of the end of the feeding chute, shaft is installed in opening, flap valve is mounted on should
In shaft, which can around the shaft overturn in feeding chute, and when not having material to pass through, flap valve is in vertical configuration
State, with stop the high-temperature flue gas in converter to feeding chute spray, when have material by when, flap valve is in the gravitational force urges of material
It under effect, is flipped up, so that material passes through；
The outside of the opening of the feeding chute end top is equipped with a flap valve pointer, the flap valve pointer and turnover panel
Valve is rigidly connected, and when flap valve is overturn, which makes corresponding deflection；
The flap valve pointer is connect with a limit switch, which limits for detecting turnover panel threshold switch situation
The input terminal of the output signal access PLC system of switch, the output terminal of PLC system and the input terminal of host computer connect, by turnover panel
The working condition of valve feeds back to host computer.
Preferably, it is fed using Weighing type vibra feeder to bucket is summarized.
Preferably, the shape of the flap valve is the rectangle with semicircle；
The plug in flap valve is made of thickness of the steel plate of 6mm.
Preferably, the limit switch is close to switch.
Preferably, it is 20mm that the top of the end of feeding chute, which is equipped with an opening width,.
Preferably, the external side of the feeding chute is equipped with the cover board for overhauling gate valve failure.
Preferably, during the flap valve throw of pointer, limit switch sends out flap valve open signal, and described open is believed
Number it is transmitted to host computer through PLC system, host computer display green is fault-free；
When the flap valve pointer resets, limit switch sends out flap valve shutdown signal, and by the shutdown signal through PLC
System is transmitted to host computer, and host computer is displayed in red as fault-free.
Second aspect, this application provides a kind of converter blanking fault detection methods, include the following steps：
S1：Weighing type dispenser weighs material, adds it to and summarizes in bucket, and institute is calculated according to discharge quantity and blanking velocity
Need blanking time T1；
S2：Gate valve is opened, material successively enters by gate valve, flap valve in converter, when material passes through flap valve,
Flap valve throw of pointer sends out open signal to position, limit switch is reached, which is transmitted to PLC system, and PLC system will
The open signal is transmitted to host computer, and host computer display green is normal blanking, otherwise judges to reach a signal fault or turn over
Plate valve failure；
S3：Flap valve restores upright position, and flap valve pointer is reset to pass in place, and limit switch sends out shutdown signal, should
Shutdown signal is transmitted to PLC system, and PLC system calculates practical blanking time T2 according to the time that signal sends out is unlatched and closed,
PLC system is by the signal transmission to host computer, and when T2 is equal to T1, host computer is displayed in red, and judges that flap valve and gate valve are
Non-faulting state；
When T2 is equal to T1, host computer is not displayed in red, is judged as closing signal fault or gate valve failure in place.
Compared with prior art, feeding chute of the invention is additionally arranged flap valve, when not having blanking, is generated in smelting furnace
Thermal-flame and high-temperature flue gas by flap valve blocking be not easy to scurry into feeding chute, avoid high temperature and plate valve body caused
Damage；A small amount of material of discharge outlet avoids the thermal-flame scurried out and high-temperature flue gas calcination, discharge port are not easy to plug；
Limit switch of the prior art is mounted on inside feeding chute, and is connect with gate valve, in blanking process, when limiting device goes out
During existing failure can not accurate judgement gate valve practical putting material situation, lead to the situation of more blankings or few blanking；Blanking chute groove body
Outside is equipped with manhole and access panel for overhauling gate valve failure, and the replacement for making gate valve is more convenient.
Description of the drawings
In order to illustrate more clearly of the technical solution of the application, letter will be made to attached drawing needed in the embodiment below
Singly introduce, it should be apparent that, for those of ordinary skills, without having to pay creative labor,
It can also be obtained according to these attached drawings other attached drawings.
Fig. 1 is converter feeding chute structure drawing of device of the present invention；
Fig. 2 is flap valve schematic shapes in converter feeding chute of the present invention.
Reference numeral：
100- blanking chute groove bodies；101- summarizes bucket；102- converters；103- gate valves；104- shafts；105- flap valves；
106- flap valve pointers；107- limit switches；108-PLC systems；109- host computers.
Specific embodiment
To make the object, technical solutions and advantages of the present invention clearer, below in conjunction with embodiment and attached drawing to this hair
It is bright to be described in further detail.
It please refers to Fig.1, in a specific embodiment, a kind of converter feeding chute device, including blanking chute groove body
100th, one of 100 front end of blanking chute groove body summarizes the converter 102 of bucket 101 and 100 end of blanking chute groove body, the feeding chute
Body 100 is equipped with gate valve 103, stops blanking or startup blanking by inserting or pull out the gate valve 103 to realize, in institute
The top for stating the end of feeding chute is equipped with an opening, installs shaft 104 in opening, flap valve 105 is mounted on the shaft 104
On, which 104 can overturn around the shaft in feeding chute, and when not having material to pass through, flap valve 105 is in certainly
By plumbness, to stop that the high-temperature flue gas in converter is sprayed to feeding chute；When have material by when, flap valve 105 is in object
Under the gravitational force urges effect of material, it is flipped up, so that material passes through；
The outside of the opening of 100 end top of blanking chute groove body is equipped with a flap valve pointer 106, which refers to
Needle 106 is rigidly connected with flap valve 105, and when flap valve 105 is overturn, which makes corresponding deflection；
The flap valve pointer 106 is connect with a limit switch 107, which opens for detecting flap valve 105
Pass situation, the input terminal of the output signal access PLC system 108 of limit switch 107, the output terminal and host computer of PLC system 108
109 input terminal connection, host computer 109 is fed back to by the working condition of flap valve 105.
As a kind of embodiment, fed using Weighing type vibra feeder to bucket 101 is summarized.
As a kind of embodiment, the shape of the flap valve 105 is the rectangle with semicircle, the plug in flap valve 105
It is made of thickness of the steel plate of 6mm；Naturally when vertical, 105 lateral profile of flap valve and 100 inner wall of blanking chute groove body
It fits like a glove.
As a kind of embodiment, the limit switch 107 is close to switch.
As a kind of embodiment, it is 20mm that the top of the end of feeding chute, which is equipped with an opening width,.
As preferred embodiment, the opening is equipped with to overhaul gate valve failure on the outside of the feeding chute
Cover board, for covering above-mentioned opening.When judging that gate valve is in failure, open cover board, gate valve is checked or with
It changes.
Preferably, when the flap valve pointer 106 deflects, limit switch 107 sends out flap valve open signal, and by described in
Open signal is transmitted to host computer through PLC system, and host computer display green is fault-free；
When the flap valve pointer 106 resets, limit switch 107 sends out flap valve shutdown signal, and described close is believed
Number host computer is transmitted to through PLC system, host computer is displayed in red as fault-free.
In a kind of possible embodiment, a kind of converter blanking fault detection method is provided, is included the following steps：
S1：Weighing type dispenser weighs material, adds it to and summarizes in bucket 101, according to discharge quantity and blanking velocity meter
Blanking time T1 needed for calculation；
S2：Gate valve 103 is opened, material successively enters by gate valve 103, flap valve 105 in converter, when material passes through
105 during flap valve, flap valve pointer 106, which deflects to, reaches position, and limit switch 107 sends out open signal, open signal transmission
To PLC system 108, the open signal is transmitted to host computer 109 by PLC system 108, and host computer 109 shows that green is normal
Otherwise blanking judges to reach a signal fault or flap valve failure；
S3：Flap valve 105 restores upright position, and flap valve pointer 106 is reset to pass in place, and limit switch 107 sends out pass
Signal is closed, which is transmitted to PLC system 108, the time calculating that PLC system 108 is sent out according to signal is unlatched and closed
Practical blanking time T2, PLC system 108 is by the signal transmission to host computer 109, and when T2 is equal to T1, host computer is displayed in red,
Judge flap valve and gate valve for non-faulting state；Otherwise to close limit switch fault or flap valve failure in place；
When T2 is equal to T1, host computer 109 is not displayed in red, judges to close signal fault or gate valve failure in place.
Wherein, the PLC system 108 is debugged using off-line programing, standalone module, is individually called, and simulated operation does not influence
The use of original system.
As a kind of possible embodiment, in the state of no blanking, the flap valve 105 is freely vertical, turnover panel
Valve pointer 106 straight up, close by limiting, and host computer 109 is displayed in red；During blanking, flap valve 105 is opened, flap valve pointer 106
Rotation, limiting are opened, and host computer 109 shows green.Above-mentioned display is unfaulty conditions.
As a kind of possible embodiment, start blanking, but host computer 109 does not show green, that is, judge it is faulty,
Generating system can send out alarm.
As a kind of possible embodiment, when T2 is equal to T1, host computer 109 is not displayed in red, is also judged as having event
Barrier needs to check limit switch and flap valve.
The feeding chute of the present invention is additionally arranged flap valve, and when not having blanking, flap valve is freely vertical, is generated in smelting furnace
Thermal-flame and high-temperature flue gas by flap valve blocking be not easy to scurry into feeding chute, avoid high temperature and plate valve body caused
Damage；A small amount of material of discharge outlet avoids the thermal-flame scurried out and high-temperature flue gas calcination, discharge port are not easy to plug；
Limit switch of the prior art is mounted on inside feeding chute, and is connect with gate valve, in blanking process, when limit switch goes out
During existing failure can not accurate judgement gate valve practical putting material situation, lead to the situation of more blankings or few blanking；Blanking chute groove body
Outside is equipped with opening and cover board for overhauling gate valve failure, and the replacement for making gate valve is more convenient.
Just to refer each other for identical similar part between each embodiment in this specification.Invention described above is real
The mode of applying is not intended to limit the scope of the present invention..
Claims (8)
1. a kind of converter feeding chute device, including blanking chute groove body, blanking chute groove body front end it is at least one summarize bucket and under
Expect the converter of chute body end, the blanking chute groove body is equipped with gate valve, by inserting or pull out the gate valve to realize
Stop blanking or start blanking, it is characterised in that：
An opening is equipped at the top of the end of the feeding chute, shaft is installed in opening, flap valve is mounted on the shaft
On, which can around the shaft overturn in feeding chute, and when not having material to pass through, flap valve is in plumbness, with
Stop that the high-temperature flue gas in converter is sprayed to feeding chute；When have material by when, flap valve material gravitational force urges act on
Under, it is flipped up, so that material passes through；
The outside of the opening of the feeding chute end top is equipped with a flap valve pointer, and the flap valve pointer and flap valve are firm
Property connection, when flap valve is overturn, which makes corresponding deflection；
The flap valve pointer is connect with a limit switch, which is used to detect turnover panel threshold switch situation, limit switch
Output signal access PLC system input terminal, the input terminal of the output terminal of PLC system and host computer connects, by flap valve
Working condition feeds back to host computer.
2. converter feeding chute device as described in claim 1, which is characterized in that summarized using Weighing type vibra feeder
Bucket charging.
3. converter feeding chute device as described in claim 1, which is characterized in that the shape of the flap valve is with semicircle
Rectangle；
The plug in flap valve is made of thickness of the steel plate of 6mm.
4. converter blanking device as described in claim 1, which is characterized in that the limit switch is close to switch.
5. converter blanking device as described in claim 1, which is characterized in that the top of the end of feeding chute is equipped with an opening
Width is 20mm.
6. converter blanking device as described in claim 1, which is characterized in that the opening is equipped on the outside of the feeding chute
For overhauling the cover board of gate valve failure.
7. converter blanking device as described in claim 1, which is characterized in that during the flap valve throw of pointer, limit switch
Flap valve open signal is sent out, and the open signal is transmitted to host computer through PLC system, host computer display green is without reason
Barrier；
When the flap valve pointer resets, limit switch sends out flap valve shutdown signal, and by the shutdown signal through PLC system
Host computer is transmitted to, host computer is displayed in red as fault-free.
8. a kind of converter blanking fault detection method, which is characterized in that include the following steps：
S1：Weighing type dispenser weighs material, adds it to and summarizes in bucket, according to needed for calculating discharge quantity and blanking velocity under
Expect time T1；
S2：Gate valve is opened, material successively enters by gate valve, flap valve in converter, when material passes through flap valve, turnover panel
Valve throw of pointer sends out open signal to position, limit switch is reached, which is transmitted to PLC system, and PLC system is by described in
Open signal is transmitted to host computer, and host computer display green is normal blanking, otherwise judges to reach a signal fault or flap valve
Failure；
S3：Flap valve restores upright position, and flap valve pointer is reset to pass in place, and limit switch sends out shutdown signal, the closing
The practical blanking time T2 of time calculating that signal transmission is sent out to PLC system, PLC system according to signal is unlatched and closed, PLC systems
It unites the signal transmission to host computer, when T2 is equal to T1, host computer is displayed in red, and judges flap valve and gate valve for non-faulting
State；
When T2 is equal to T1, host computer is not displayed in red, is judged as closing signal fault or gate valve failure in place.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810230291.1A CN108193015A (en) | 2018-03-20 | 2018-03-20 | A kind of converter feeding chute device and converter blanking fault detection method |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810230291.1A CN108193015A (en) | 2018-03-20 | 2018-03-20 | A kind of converter feeding chute device and converter blanking fault detection method |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN108193015A true CN108193015A (en) | 2018-06-22 |
Family
ID=62596073
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201810230291.1A Pending CN108193015A (en) | 2018-03-20 | 2018-03-20 | A kind of converter feeding chute device and converter blanking fault detection method |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN108193015A (en) |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109321763A (en) * | 2018-11-06 | 2019-02-12 | 李运 | A kind of aluminium smelting equipment |
| CN109405555A (en) * | 2018-09-30 | 2019-03-01 | 上海宝钢工业技术服务有限公司 | The building method of rotary hearth furnace feeding chute end abrasive brick |
| CN110239960A (en) * | 2019-05-23 | 2019-09-17 | 成都瑞柯林工程技术有限公司 | Unloading valve group unloads grey method and powder fluidization system |
| CN110656218A (en) * | 2019-08-01 | 2020-01-07 | 广东韶钢松山股份有限公司 | Converter raw material feeding chute flue gas locking device and working method |
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| CA2648094A1 (en) * | 2008-06-06 | 2009-12-06 | Toda Iron Works Co., Ltd. | Shutter mechanism for raw material loading chute of electric furnace |
| CN203976848U (en) * | 2014-08-13 | 2014-12-03 | 唐山东华钢铁企业集团有限公司 | The converter feeding system gravity dragline type limit switch protector that falls apart |
| CN205151198U (en) * | 2015-10-21 | 2016-04-13 | 泰山石膏股份有限公司 | Novel lock wind tripper |
| CN205937869U (en) * | 2016-04-06 | 2017-02-08 | 广西科技大学 | Novel double -deck flap valve device |
| CN107269855A (en) * | 2016-04-06 | 2017-10-20 | 广西科技大学 | Double-layer flap valve blanking system |
-
2018
- 2018-03-20 CN CN201810230291.1A patent/CN108193015A/en active Pending
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CA2648094A1 (en) * | 2008-06-06 | 2009-12-06 | Toda Iron Works Co., Ltd. | Shutter mechanism for raw material loading chute of electric furnace |
| CN203976848U (en) * | 2014-08-13 | 2014-12-03 | 唐山东华钢铁企业集团有限公司 | The converter feeding system gravity dragline type limit switch protector that falls apart |
| CN205151198U (en) * | 2015-10-21 | 2016-04-13 | 泰山石膏股份有限公司 | Novel lock wind tripper |
| CN205937869U (en) * | 2016-04-06 | 2017-02-08 | 广西科技大学 | Novel double -deck flap valve device |
| CN107269855A (en) * | 2016-04-06 | 2017-10-20 | 广西科技大学 | Double-layer flap valve blanking system |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109405555A (en) * | 2018-09-30 | 2019-03-01 | 上海宝钢工业技术服务有限公司 | The building method of rotary hearth furnace feeding chute end abrasive brick |
| CN109321763A (en) * | 2018-11-06 | 2019-02-12 | 李运 | A kind of aluminium smelting equipment |
| CN110239960A (en) * | 2019-05-23 | 2019-09-17 | 成都瑞柯林工程技术有限公司 | Unloading valve group unloads grey method and powder fluidization system |
| CN110656218A (en) * | 2019-08-01 | 2020-01-07 | 广东韶钢松山股份有限公司 | Converter raw material feeding chute flue gas locking device and working method |
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Application publication date: 20180622 |