CN105154615B - A kind of literary aditus laryngis self-checking device of converter two and adjusting method - Google Patents
A kind of literary aditus laryngis self-checking device of converter two and adjusting method Download PDFInfo
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Abstract
A kind of literary aditus laryngis self-checking device of converter two and adjusting method, belong to converter dust-removing device and method technical field, for being automatically adjusted to the literary aditus laryngis of converter two.Its technical scheme is：The present invention breaches the differential pressure control mode of traditional fire door pressure sensor, add gas analysis meter sensor, oxygen analyser sensor, oxygen rifle position sensor, oxygen regulating valve position sensor, using carbon monoxide content, oxygen content, oxygen rifle position signal as mark, aditus laryngis hydraulic station is controlled by PLC, when detecting that signal all meets condition requirement, heavily cutting progresses down to assigned position, when detecting that any one of signal is unsatisfactory for condition, heavily cutting is to up, recover to initial position, so as to realize the automatic control and adjustment of the literary aditus laryngis of converter two.The present invention it is simple and practical, be easy to safeguard, it is safe and reliable, without cumbersome control program, significantly reduce the generation of accident, substantially increase coal-gas recovering rate, with significant economic benefit.
Description
Technical field
The present invention relates to a kind of device and method automatically adjusted to the literary aditus laryngis of converter two, belong to converter dust-removing equipment
And method and technology field.
Background technology：
Dust arrester is the indispensable equipment of converter, there is what power drove for 2800Kw blower fans in various cleaners
Wet-way dust-collector, this cleaner includes gasification cooling flue, spray column, two grades of Venturi tubes and aditus laryngis（Referred to as：Two literary larynxs
Mouthful）, dehydrator, blower fan, triple valve, water-sealed valve, V-type water seal etc., wherein two literary aditus laryngis are once dust collection of converter nucleus equipments, be
The emphasis of fume treatment operating mode, it plays the key effect of refined dedusting, is related to gas cleaning and coal-gas recovering amount.In dedusting
Cheng Zhong, two literary aditus laryngis will automatically adjust according to the size of the exhaust gas volumn during converter smelting, to ensure each of cleaner
Item parameter request.
The automatic regulation function of current two literary aditus laryngis is to control two literary larynxs by being installed on the pressure sensor signal of fire door
Mouthful circumferential weld size realize.Found in production practices, this adjusting means and method have control device complex structure, control
Process processed is cumbersome, sensor maintenance is difficult, fault rate is high, influence the shortcomings of normal dedusting operation is with production sometimes, it is impossible to full
The need for foot production is fast-developing, the hard nut to crack worked as restricting dedusting, it would be highly desirable to be improved.
The content of the invention
The technical problems to be solved by the invention are to provide a kind of literary aditus laryngis self-checking device of converter two and adjusting method,
This self-checking device and adjusting method are simple and practical, effectively can adjust and control the circumferential weld aperture of two literary aditus laryngis, make
Dustiness is arranged outside once dust collection of converter flue gas up to standard, while improving RECOVERY OF CONVERTER GAS amount and calorific value of gas.
Solving the technical scheme of above-mentioned technical problem is：
A kind of literary aditus laryngis self-checking device of converter two, it includes magnetic scale hydraulic cylinder, hydraulic servocontrol station, connecting rod, two
Level Venturi tube expansion segment, aditus laryngis, two grades of Venturi tube contraction sections, heavily cutting, PLC industrial computers, hydraulic servocontrol station and magnetic scale hydraulic pressure
Cylinder is connected, and magnetic scale hydraulic cylinder, connecting rod and heavily cutting are connected as one by bearing pin, two grades of Venturi tube expansion segments, aditus laryngis and two grades
Venturi tube contraction section is welded to connect, and the signal output part of PLC industrial computers is connected with hydraulic servocontrol station, in magnetic scale hydraulic cylinder
In magnetic scale hydraulic cylinder position sensor is installed, it also add gas analysis meter sensor, oxygen analyser sensor, oxygen rifle
Position sensor, oxygen regulating valve position sensor, gas analysis meter sensor and oxygen analyser sensor are separately mounted to
Sideways, oxygen rifle position sensor is arranged on oxygen lance lifting electric motor back shaft, oxygen regulating valve position to the flue of blower fan and triple valve
Put axis upper and lower side of the sensor installed in oxygen regulating valve door, gas analysis meter sensor, oxygen analyser sensor, oxygen rifle
Position sensor, the signal output part of oxygen regulating valve position sensor are connected with the signal input part of PLC industrial computers.
The above-mentioned literary aditus laryngis self-checking device of converter two, the heavily cutting is connected with manual overvide.
A kind of adjusting method using the literary aditus laryngis self-checking device of above-mentioned converter two, it is carried out using following steps：
The first step, signal detection
The physical location of heavily cutting is detected by the magnetic scale hydraulic cylinder position sensor of magnetic scale hydraulic cylinder, so that it is determined that aditus laryngis,
The heavily cutting and the spacing of the circumferential weld of aditus laryngis formed between two grades of Venturi tube contraction sections and heavily cutting；
The percentage composition of the CO in flue gas is detected by gas analysis meter sensor；Detected by oxygen analyser sensor
The percentage composition of O2 in flue gas；Oxygen regulating valve switching value is detected by oxygen regulating valve position sensor；Pass through oxygen rifle position
Put the analog quantity of sensor detection oxygen rifle position；
Second step, signal transacting
The signal detected in the first step is inputted into PLC industrial computers, PLC industrial computers are handled input signal, passed through
Detection parameter is judged the state of self-checking device, and control instruction is sent according to the result of judgement；
3rd step, control output
Control instruction is output to the control end of magnetic scale hydraulic cylinder 1 by PLC industrial computers, the operation of control magnetic scale hydraulic cylinder 1 with
Stop.
The adjusting method of the above-mentioned literary aditus laryngis self-checking device of converter two, before smelting, operating personnel's setting weight top upper limit
Position and heavily cutting lower limit, self-checking device use automatic control mode, wherein：
If the carbon monoxide that gas analysis meter sensor, oxygen analyser sensor, oxygen rifle position sensor are detected contains
Amount, oxygen content, the detection signal of oxygen rifle position meet the condition requirement of detection signal simultaneously when, heavily cutting position Automatic-descending is extremely
Lower limit, the literary aditus laryngis aperture increase of converter two；
If the carbon monoxide that gas analysis meter sensor, oxygen analyser sensor, oxygen rifle position sensor are detected contains
Have in amount, oxygen content, the detection signal of oxygen rifle position either signal be unsatisfactory for condition requirement when, heavily cutting position is gone upward to automatically
Upper limit, the literary aditus laryngis aperture of converter two reduces.
The adjusting method of the above-mentioned literary aditus laryngis self-checking device of converter two, the gas analysis meter sensor, oxygen analysis
Carbon monoxide content that instrument sensor, oxygen rifle position sensor are detected, oxygen content, the condition of the detection signal of oxygen rifle position
It is required that being：1. CO contents>30%；2. O2 contents<0.5%；3. oxygen lance position<13.03m.
The adjusting method of the above-mentioned literary aditus laryngis self-checking device of converter two, is occurring automatic Control Fault and unusual service condition
When, using manual state of a control adjustment control method, comprise the following steps that：
(1) operating personnel are clicked on after " hand push button ", the heavily cutting control of two literary aditus laryngis, are switched to manually by automatic control state
State of a control, then smelts operating mode by operating personnel according to actual, the heavily cutting position of two literary aditus laryngis is manually adjusted, great trust
Stroke range is -200mm ---+380mm.
(2) when there are the unusual conditions such as gas chamber has cabinet completely to reject, dust pelletizing system parameter fluctuates widely, by operator
Member clicks on " diffusing extremely " button, and Chong Tuo positions go upward to predetermined upper limit automatically, it is abnormal release after, then click on and " press automatically
Button " or " hand push button ", state are recovered to automatic control state.
The beneficial effects of the invention are as follows：
The present invention breaches the differential pressure control mode of traditional fire door pressure sensor, by once dust collection of converter system two
Literary aditus laryngis automatic control mode is divided into that heavily cutting is up and descending two concepts, with carbon monoxide content, oxygen content, oxygen rifle position
Signal for mark, by PLC control aditus laryngis hydraulic station, when detect signal all meet condition requirement when, heavily cutting is travelled downwardly
To assigned position, when any one of carbon monoxide content, oxygen content, the detection signal of oxygen rifle position three are unsatisfactory for condition,
Heavily cutting is recovered to initial position to up, so as to realize the automatic control and adjustment of the literary aditus laryngis of converter two.The present invention it is simple and practical,
Be easy to safeguard, it is safe and reliable, without cumbersome control program, the generation of accident is significantly reduced after use, coal is substantially increased
Gas recovery rate, with significant economic benefit.
Brief description of the drawings
Fig. 1 is the literary aditus laryngis self-checking device structural representation of converter two of the present invention.
Marked in figure as follows：Magnetic scale hydraulic cylinder 1, hydraulic servocontrol station 2, connecting rod 3, two grades of Venturi tube expansion segments 4, aditus laryngis
5th, the circumferential weld 7 of two grades of Venturi tube contraction sections 6, heavily cutting and aditus laryngis, heavily cutting 8, gas analysis meter sensor 9, oxygen analyser are sensed
Device 10, oxygen regulating valve position sensor 11, oxygen rifle position sensor 12, PLC industrial computers 13.
Embodiment
The literary aditus laryngis self-checking device of converter two of the present invention includes magnetic scale hydraulic cylinder 1, hydraulic servocontrol station 2, connecting rod
3rd, two grades of Venturi tube expansion segments 4, aditus laryngis 5, two grades of Venturi tube contraction sections 6, heavily cutting 8, PLC industrial computers 13.
Shown in figure, the signal output part of PLC industrial computers 13 is connected with hydraulic servocontrol station 2, hydraulic servocontrol
Stand and 2 be connected with magnetic scale hydraulic cylinder 1, magnetic scale hydraulic cylinder 1, connecting rod 3 and heavily cutting 8 are connected as one by bearing pin, two grades of Venturi tubes
Expansion segment 4, aditus laryngis 5 and two grades of Venturi tube contraction sections 6 are welded to connect, and PLC industrial computers 13 pass through the control piece of hydraulic servocontrol station 2
Magnetic scale hydraulic cylinder 1 is moved up and down, the gap between adjustment aditus laryngis 5 and two grades of Venturi tube contraction sections 6, it is ensured that the ring of heavily cutting and aditus laryngis
The size of seam 7.Heavily cutting 8 is also connected with manual overvide.
Shown in figure, magnetic scale hydraulic cylinder position sensor is installed in magnetic scale hydraulic cylinder 1, it also add gas analysis
Instrument sensor 9, oxygen analyser sensor 10, oxygen rifle position sensor 12, oxygen regulating valve position sensor 11.Gas analysis
Instrument sensor 9 and oxygen analyser sensor 10 are separately mounted to the flue of blower fan and triple valve sideways, and oxygen rifle position is passed
Sensor 12 is arranged on oxygen lance lifting electric motor back shaft, and oxygen regulating valve position sensor 11 is arranged on the axis of oxygen regulating valve door
Lower end.Gas analysis meter sensor 9, oxygen analyser sensor 10, oxygen rifle position sensor 12, oxygen regulating valve position sensing
The signal output part of device 11 is connected with the signal input part of PLC industrial computers 13.
Shown in figure, magnetic scale hydraulic cylinder position sensor, gas analysis meter sensor 9, oxygen point in magnetic scale hydraulic cylinder 1
Analyzer sensor 10, oxygen rifle position sensor 12, the detection signal of oxygen regulating valve position sensor 11 enter PLC industrial computers
The output signal of 13, PLC industrial computer 13 passes to hydraulic servocontrol station 2, and the control piece magnetic scale hydraulic cylinder 1 of hydraulic servocontrol station 2 is held
Action is made.
The adjusting method of the literary aditus laryngis self-checking device of the above-mentioned converter two of use of the present invention, it is entered using following steps
OK：
The first step, signal detection
The physical location of heavily cutting 8 is detected by the magnetic scale hydraulic cylinder position sensor of magnetic scale hydraulic cylinder 1, so that it is determined that aditus laryngis
5th, the heavily cutting and the spacing of the circumferential weld 7 of aditus laryngis formed between two grades of Venturi tube contraction sections 6 and heavily cutting 8；
The percentage composition of the CO in flue gas is detected by gas analysis meter sensor 9；Pass through oxygen analyser sensor 10
Detect the percentage composition of the O2 in flue gas；Oxygen regulating valve switching value is detected by oxygen regulating valve position sensor 11；Pass through
The analog quantity of the detection oxygen rifle of oxygen rifle position sensor 12 position；
Second step, signal transacting
The signal detected in the first step is inputted into PLC industrial computers, PLC industrial computers are handled input signal, passed through
Detection parameter is judged the state of self-checking device, and control instruction is sent according to the result of judgement；
3rd step, control output
Control instruction is output to the control end of magnetic scale hydraulic cylinder 1 by PLC industrial computers, the operation of control magnetic scale hydraulic cylinder 1 with
Stop.
In the adjusting method of the literary aditus laryngis self-checking device of converter two of the present invention, needed using detecting that signal is controlled
Various parameters are set in PLC industrial computers, be compared with parameter set in advance with detection signal, then send control and refer to
Order automatically adjusts to equipment.
The present invention is before smelting, it is necessary to which operating personnel's setting weight top upper limit and heavily cutting lower limit, the stroke of heavily cutting 8 can basis
Smelting system operating mode is manually set, and scope is -200mm ---+380mm.
When self-checking device uses automatic control mode：
If the oxidation that gas analysis meter sensor 9, oxygen analyser sensor 10, oxygen rifle position sensor 12 are detected
Carbon content, oxygen content, the detection signal of oxygen rifle position meet the condition requirement of detection signal simultaneously when, the position of heavily cutting 8 is automatic
Come downwards to lower limit, the literary aditus laryngis aperture increase of converter two；
If the oxidation that gas analysis meter sensor 9, oxygen analyser sensor 10, oxygen rifle position sensor 12 are detected
Have in carbon content, oxygen content, the detection signal of oxygen rifle position either signal be unsatisfactory for condition requirement when, the position of heavily cutting 8 is automatic
Upper limit is gone upward to, the literary aditus laryngis aperture of converter two reduces.
The gas analysis meter sensor 9 of the present invention, oxygen analyser sensor 10, oxygen rifle position sensor 12 are detected
Carbon monoxide content, oxygen content, the condition requirement of the detection signal of oxygen rifle position are：1. CO contents>30%；2. O2 contents<
0.5%；3. oxygen lance position<13.03m.
The present invention is when occurring automatic Control Fault and unusual service condition, using manual state of a control adjustment control method, tool
Body step is as follows：
(1) operating personnel are clicked on after " hand push button ", the heavily cutting control of two literary aditus laryngis, are switched to manually by automatic control state
State of a control, then smelts operating mode by operating personnel according to actual, the position of heavily cutting 8 of two literary aditus laryngis is manually adjusted, weight
8 stroke ranges are cut or polish jade with an emery wheel for -200mm ---+380mm.
(2) when there are the unusual conditions such as gas chamber has cabinet completely to reject, dust pelletizing system parameter fluctuates widely, by operator
Member clicks on " diffusing extremely " button, and Chong Tuo positions go upward to predetermined upper limit automatically, it is abnormal release after, then click on and " press automatically
Button " or " hand push button ", state are recovered to automatic control state.
The equipment component model that one embodiment of the present of invention is used is as follows：
The model of gas analysis meter sensor 9：LGA-4100 DN2000 （CO） 0-100%；
The model of oxygen analyser sensor 10：LGA-4100 DN2000 （O2） 0-5%；
The model of oxygen regulating valve position sensor 11：FLOWSERVE/Logix 3200 Series Digital
Positioner Model 3200MD-28-D6-M-04-40-0G-0F Springville, Utah, USA Direct Travels；
The model of oxygen rifle position sensor 12：CE65M；
The model of PLC industrial computers 13：Grind magnificent 610L double-cores, 2.80G dominant frequency, 2G internal memories, 500G hard disks（WINDOWS
XP systems）.
The adjusting method of the literary aditus laryngis self-checking device of converter two of one embodiment of the present of invention is as follows：
A. before operating personnel smelt, setting heavily cutting 8 upper limit+350mm, lower limit -100mm.
B. operating personnel confirm, the heavily cutting 8 of two literary aditus laryngis is in " manual " state.
C. operating personnel click on oil pump in picture and " concentrate and open " state（1# or 2# oil pumps）
During smelting, detection signal begins participating in control, i.e., when coal-gas recovering early stage and late detection to 1. CO contents≤
30%；2. O2 content >=0.5%；3. oxygen lance position >=12.73m.（The spacing 13.03m of oxygen point is opened, the spacing 13.33m of oxygen point is closed）'s
It is any with a condition when, the position of heavily cutting 8 is automatically adjusted to upper limit+350mm.
D. mid-term is smelted, detection signal detection is arrived while when meeting three below condition, i.e. 1. CO contents>30%；② O2
Content<0.5%；3. oxygen lance position<13.03m.The position Automatic-descending of heavily cutting 8 is to lower limit, -100mm.
Work completes two literary aditus laryngis auto-adjustment controls of a complete coal-gas recovering above.
Manual state of a control adjustment control method（It is applicable and automatic Control Fault and unusual service condition）
E. operating personnel are clicked on after " hand push button ", and the heavily cutting 8 of two literary aditus laryngis is controlled, and is switched to manually by automatic control state
State of a control, then smelts operating mode by operating personnel according to actual, the position of heavily cutting 8 of two literary aditus laryngis is manually adjusted, weight
Stone roller stroke range is -200mm ---+380mm.
F. when there are the unusual conditions such as gas chamber has cabinet completely to reject, dust pelletizing system parameter fluctuates widely, by operator
Member clicks on " diffusing extremely " button on picture, and the position of heavily cutting 8 goes upward to predetermined upper limit automatically（Upper limit can be manually set
0mm——+380mm）.It is abnormal release after, then click on " automatic button " or " hand push button ", state is recovered to automatically controlling shape
State.
Work completes two literary aditus laryngis auto-adjustment controls of a complete coal-gas recovering above.
Claims (3)
1. a kind of literary aditus laryngis self-checking device of converter two, it includes magnetic scale hydraulic cylinder（1）, hydraulic servocontrol station（2）, connecting rod
（3）, two grades of Venturi tube expansion segments（4）, aditus laryngis（5）, two grades of Venturi tube contraction sections（6）, heavily cutting（8）, PLC industrial computers（13）, liquid
Press SERVO CONTROL station（2）With magnetic scale hydraulic cylinder（1）It is connected, magnetic scale hydraulic cylinder（1）, connecting rod（3）And heavily cutting（8）Connected by bearing pin
It is connected in one, two grades of Venturi tube expansion segments（4）, aditus laryngis（5）With two grades of Venturi tube contraction sections（6）It is welded to connect, PLC industrial computers
（13）Signal output part and hydraulic servocontrol station（2）It is connected, it is characterised in that：In magnetic scale hydraulic cylinder（1）In be provided with
Magnetic scale hydraulic cylinder position sensor, it also add gas analysis meter sensor（9）, oxygen analyser sensor（10）, oxygen rifle
Position sensor（12）, oxygen regulating valve position sensor（11）, gas analysis meter sensor（9）With oxygen analyser sensor
（10）It is separately mounted to the flue of blower fan and triple valve sideways, oxygen rifle position sensor（12）Installed in oxygen lance lifting motor
Rear axle, oxygen regulating valve position sensor（11）Installed in the axis upper and lower side of oxygen regulating valve door, gas analysis meter sensor
（9）, oxygen analyser sensor（10）, oxygen rifle position sensor（12）, oxygen regulating valve position sensor（11）Signal it is defeated
Go out end and PLC industrial computers（13）Signal input part be connected；
The heavily cutting（8）It is connected with manual overvide.
2. a kind of adjusting method of the literary aditus laryngis self-checking device of converter two described in usage right requirement 1, it is characterised in that：It
Carried out using following steps：
The first step, signal detection
Pass through magnetic scale hydraulic cylinder（1）Magnetic scale hydraulic cylinder position sensor detection heavily cutting（8）Physical location, so that it is determined that aditus laryngis
（5）, two grades of Venturi tube contraction sections（6）And heavily cutting（8）Between the heavily cutting that is formed and aditus laryngis circumferential weld spacing；
Pass through gas analysis meter sensor（9）Detect the percentage composition of the CO in flue gas；Pass through oxygen analyser sensor（10）
Detect the percentage composition of the O2 in flue gas；Pass through oxygen regulating valve position sensor（11）Detect oxygen regulating valve switching value；It is logical
Peroxide rifle position sensor（12）Detect the analog quantity of oxygen rifle position；
Second step, signal transacting
The signal detected in the first step is inputted into PLC industrial computers（13）, PLC industrial computers（13）Input signal is handled,
By detecting that parameter is judged the state of self-checking device, control instruction is sent according to the result of judgement；
3rd step, control output
PLC industrial computers（13）Control instruction is output to magnetic scale hydraulic cylinder（1）Control end, control magnetic scale hydraulic cylinder（1）Fortune
Row is with stopping；
Before smelting, operating personnel's setting weight top upper limit and heavily cutting lower limit, self-checking device use automatic control mode,
Wherein：
If gas analysis meter sensor（9）, oxygen analyser sensor（10）, oxygen rifle position sensor（12）The oxygen detected
When changing carbon content, oxygen content, the condition requirement of the detection signal signal of satisfaction detection simultaneously of oxygen rifle position, heavily cutting position is automatic
Come downwards to lower limit, the literary aditus laryngis aperture increase of converter two；
If gas analysis meter sensor（9）, oxygen analyser sensor（10）, oxygen rifle position sensor（12）The oxygen detected
When changing carbon content, oxygen content, having in the detection signal of oxygen rifle position the either signal to be unsatisfactory for condition requirement, heavily cutting position is automatic
Upper limit is gone upward to, the literary aditus laryngis aperture of converter two reduces；
The gas analysis meter sensor（9）, oxygen analyser sensor（10）, oxygen rifle position sensor（12）One detected
Content of carbon oxide, oxygen content, the condition requirement of the detection signal of oxygen rifle position are：1. CO contents>30%；2. O2 contents<
0.5%；3. oxygen lance position<13.03m.
3. the adjusting method of the literary aditus laryngis self-checking device of converter two according to claim 2, it is characterised in that：Occurring
When automatic Control Fault and unusual service condition, using manual state of a control adjustment control method, comprise the following steps that：
A. operating personnel are clicked on after " hand push button ", the heavily cutting control of two literary aditus laryngis, switch to manual control by automatic control state
State, then smelts operating mode by operating personnel according to actual, the heavily cutting position of two literary aditus laryngis is manually adjusted, heavily cutting stroke
Scope is -200mm ---+380mm；
B. when there is gas chamber and there is cabinet completely to reject, dust pelletizing system parameter fluctuate widely unusual condition when, clicked on by operating personnel
" diffusing extremely " button, Chong Tuo positions go upward to predetermined upper limit automatically, it is abnormal release after, then click on " automatic button " or
" hand push button ", state is recovered to automatic control state.
Priority Applications (1)
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| CN201510636289.0A CN105154615B (en) | 2015-09-30 | 2015-09-30 | A kind of literary aditus laryngis self-checking device of converter two and adjusting method |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510636289.0A CN105154615B (en) | 2015-09-30 | 2015-09-30 | A kind of literary aditus laryngis self-checking device of converter two and adjusting method |
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| CN105154615A CN105154615A (en) | 2015-12-16 |
| CN105154615B true CN105154615B (en) | 2017-07-11 |
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Families Citing this family (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105925751A (en) * | 2016-06-15 | 2016-09-07 | 江苏永钢集团有限公司 | Safety converter gas recycling system |
| CN107630120B (en) * | 2016-07-18 | 2019-12-13 | 鞍钢股份有限公司 | method for adjusting converter second venturi throat |
| CN109609720B (en) * | 2019-01-04 | 2020-09-22 | 湖南华菱涟源钢铁有限公司 | Converter dry dedusting micro-differential pressure control method and device and converter dry dedusting system |
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| CN101358263A (en) * | 2007-08-01 | 2009-02-04 | 山东省冶金设计院有限责任公司 | Converter gas cooling and purification method |
| CN201620173U (en) * | 2009-12-22 | 2010-11-03 | 邯钢集团邯宝钢铁有限公司 | Device for monitoring and controlling recovery of coal gas of convertor |
| CN202380016U (en) * | 2011-11-12 | 2012-08-15 | 马鞍山伏斯特自控技术有限公司 | Optimized control device for recycling coal gas of converter |
| CN202898449U (en) * | 2012-11-20 | 2013-04-24 | 天俱时工程科技集团有限公司 | Fine dust removal control system for converter flue gas |
| CN104120212A (en) * | 2014-08-12 | 2014-10-29 | 中冶赛迪电气技术有限公司 | Novel OG controlling method for dust collection of converter |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101358263A (en) * | 2007-08-01 | 2009-02-04 | 山东省冶金设计院有限责任公司 | Converter gas cooling and purification method |
| CN201620173U (en) * | 2009-12-22 | 2010-11-03 | 邯钢集团邯宝钢铁有限公司 | Device for monitoring and controlling recovery of coal gas of convertor |
| CN202380016U (en) * | 2011-11-12 | 2012-08-15 | 马鞍山伏斯特自控技术有限公司 | Optimized control device for recycling coal gas of converter |
| CN202898449U (en) * | 2012-11-20 | 2013-04-24 | 天俱时工程科技集团有限公司 | Fine dust removal control system for converter flue gas |
| CN104120212A (en) * | 2014-08-12 | 2014-10-29 | 中冶赛迪电气技术有限公司 | Novel OG controlling method for dust collection of converter |
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