CN102564151B - Smelting converter control equipment - Google Patents
Smelting converter control equipment Download PDFInfo
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- CN102564151B CN102564151B CN2012100012847A CN201210001284A CN102564151B CN 102564151 B CN102564151 B CN 102564151B CN 2012100012847 A CN2012100012847 A CN 2012100012847A CN 201210001284 A CN201210001284 A CN 201210001284A CN 102564151 B CN102564151 B CN 102564151B
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Abstract
The invention provides smelting converter control equipment, which comprises a converter, a variable-frequency speed-adjusting alternating-current asynchronous motor and speed reducer, a converter position detection device, a melt ladle liquid level detection device, a melt ladle position detection device and a control device. The converter comprises a body, transmission gears or rollers are arranged on the converter body, the converter position detection device is used for detecting tilting positions of the converter, the melt ladle liquid level detection device is used for detecting the height of liquid level of a melt ladle, and the melt ladle position detection device is used for detecting positions of the melt ladle. When the melt ladle position detection device detects that the meltladle is positioned at a preset position and the melt ladle liquid level detection device detects that the liquid level in the melt ladle does not reach a preset height, the control device is used for controlling the converter to tilt through the variable-frequency speed-adjusting alternating-current asynchronous motor and speed reducer.. High efficiency, safety, high precision and high reliability in automatic operation of the smelting converter control equipment can be realized.
Description
Technical field
The present invention relates to metallurgical technology field, particularly a kind of smelting converter control equipment.
Background technology
Converter smelting is one of the most frequently used smelting process of non-ferrous metal metallurgy.The body of heater of converter is cylindrical, and liner adopts refractory material, by the chemical reaction heat heating, does not need external heat source during blowing, is the visual plant of the non-ferrous metal metallurgies such as copper metallurgy, nickel.
Electrified Transmission and the control technology of at present existing smelting converter exist following defective:
1, smelting converter usually adopts and exchanges the coiling electric motor transmission at present, but not only speed adjusting performance is poor to exchange coiling electric motor, and poor controllability and energy consumption are high, therefore can not realize high-precision speed governing and control, can only lean on manually-operated at present, operating difficulties can not accurately be located, therefore have a strong impact on the performance of production capacity, even caused security incident.
2, machine-electric formula position switch detects the position of converter at present smelting converter employing, but this machine-electric formula position switch low precision, and therefore poor reliability is difficult to normally put into operation for a long time, can only lean on the operative employee manually to locate, and has serious potential safety hazard.In real work, the accident in the workshop appears repeatedly high-temperature fusant being poured into, not only caused the damage of equipment, economic loss more seriously also can cause casualties.
3, owing to can't liquid level and the position of melt bag (cinder ladle or finished product bag) be detected, therefore may be too high because of the liquid level of melt bag when converter is slagged tap or go out finished product, or cinder ladle or finished product bag cause the production development accident not on the precalculated position.
Summary of the invention
Purpose of the present invention is intended to solve at least above-mentioned technological deficiency, has proposed a kind of smelting converter control equipment.
For achieving the above object, one aspect of the present invention has proposed a kind of smelting converter control equipment, comprising: converter, and described converter comprises body of heater, converter body is provided with driving wheel tooth or roller; Frequency-varying speed-regulating asynchronous AC motor and reductor, described frequency-varying speed-regulating asynchronous AC motor passes through the described converter inclining of frictional force drives by the gear of described reductor drive or described driving wheel tooth engagement or the roller on roller and the converter body; The converter position detecting device, described converter position detecting device detects the position of fascinating of described converter; Melt bag liquid level sensor, described melt bag liquid level sensor is for detection of the liquid level of described melt bag; Melt package location checkout gear, described melt package location checkout gear for detection of described melt bag whether on preposition; And control device, described control device respectively with described frequency-varying speed-regulating asynchronous AC motor, described converter position detecting device, described melt bag liquid level sensor links to each other with described melt package location checkout gear, described control device detects the melt bag at described melt package location checkout gear and is in the precalculated position, and when the liquid level in the melt bag that described melt bag liquid level sensor detects does not reach predetermined height, control described converter inclining by described frequency-varying speed-regulating asynchronous AC motor and reductor, and described control device calculates the speed of fascinating and the speed governing requirement of described converter according to the current location of given turning angle and described converter.
In one embodiment of the present of invention, described converter position detecting device is installed on the output shaft of described reductor, or is installed on the output shaft of frequency-varying speed-regulating asynchronous AC motor.
In one embodiment of the present of invention, described converter is the horizontal bottom blowing converter.
In one embodiment of the present of invention, also comprise blast or Wind volume detector, described blast or Wind volume detector are installed on the airduct, for detection of the blast or the air quantity that enter in the stove, and described control device also links to each other with described blast or Wind volume detector, described control device also is used for when described converter inclining blast and the air quantity to described airduct to be controlled, and when the blast of described airduct and deficiency in draught, controls described converter inclining to non-melting position.
In one embodiment of the present of invention, also comprise redundant extreme position checkout gear, whether described redundant extreme position checkout gear goes to extreme position for detection of described converter, described control device also links to each other with described redundant extreme position checkout gear, when described redundant extreme position checkout gear detects after described converter goes to extreme position, described control device is controlled described converter emergent stopping and is fascinated, and oppositely fascinates to home.
In one embodiment of the present of invention, also comprise body of heater position checking device, described body of heater position checking device is installed on the outside of the body of heater of described converter, described body of heater position checking device is for detection of the position of described body of heater, described control device also links to each other with described body of heater position checking device, testing result to described body of heater position checking device and described converter position checking device processes to calculate the position of described converter, and detects corresponding error.
In one embodiment of the present of invention, described converter position detecting device is rotary encoder.
In one embodiment of the present of invention, described control device is the failure safe type controller.
In one embodiment of the present of invention, also comprise the emergency driving device that links to each other with converter body driving wheel tooth or roller.
In one embodiment of the present of invention, described emergency driving device is emergent AC induction motor.
The embodiment of the invention can realize that loaded self-adaptive steadily fascinates, and accurately stops, and realizes safety, efficient, the converter method of operation of saving operation and easy operating.In addition, the embodiment of the invention also can realize the turning angle by production process instruction or manual setting, automatically selects the control of suitable speed and position (angle), and the required lock-in control of keeping the safety in production.And by the embodiment of the invention, except operating desk is comprehensively controlled, can carry out operation control and the security control of necessary production process at the scene of reinforced, discharging, deslagging.The aspect that the present invention adds and advantage in the following description part provide, and part will become obviously from the following description, or recognize by practice of the present invention.
Description of drawings
Above-mentioned and/or the additional aspect of the present invention and advantage are from obviously and easily understanding becoming the description of embodiment below in conjunction with accompanying drawing, wherein:
Fig. 1 is the smelting converter control equipment structure chart of the embodiment of the invention.
The specific embodiment
The below describes embodiments of the invention in detail, and the example of described embodiment is shown in the drawings, and wherein same or similar label represents same or similar element or the element with identical or similar functions from start to finish.Be exemplary below by the embodiment that is described with reference to the drawings, only be used for explaining the present invention, and can not be interpreted as limitation of the present invention.
As shown in Figure 1, be the smelting converter control equipment structure chart of the embodiment of the invention.This smelting converter control equipment comprises converter 10, frequency-varying speed-regulating asynchronous AC motor 20, reductor 30, converter position detecting device 40, melt bag liquid level sensor 50, control device 60, melt package location checkout gear 90 and melt bag 100.Wherein, melt bag 100 refers to cinder ladle or finished product bag, namely is used for holding the device of bessemerizing the blowing slag that obtains or blowing product.
In one embodiment of the invention, converter 10 comprises body of heater 11 and the driving wheel tooth or the roller 13 that are installed on the body of heater.Driving wheel tooth engagement or roller 13 on the body of heater 11 of the gear that frequency-varying speed-regulating asynchronous AC motor 20 drives by reductor 30 or roller 111 and converter 10 fascinate by frictional force drives converter 10.Particularly, reductor 30 links to each other with gear or roller 111 by rotating shaft 113, and then the driving wheel tooth or the roller 13 that drive on the body of heater 11 by gear or roller 111 fascinate.In embodiments of the present invention, adopt frequency-varying speed-regulating asynchronous AC motor 20 to carry out transmission, can improve speed adjusting performance and the precision of smelting converter control equipment, and this smelting converter control equipment also has good controllability.
In a preferred embodiment of the invention, converter position detecting device 40 can be installed on the output shaft of reductor 30.Perhaps, in other embodiments of the invention, converter position detecting device 40 can be installed on the output shaft of frequency-varying speed-regulating asynchronous AC motor 20.In one embodiment of the invention, converter position detecting device 40 can be high-precision rotary encoder, thereby detects more accurately the position of converter 10.
In one embodiment of the invention, melt bag liquid level sensor 50 is installed in melt bag oblique upper, for detection of the liquid level of melt bag 100 (cinder ladle or finished product bag).Melt package location checkout gear 90 for detection of melt bag 100 (cinder ladle or finished product bag) whether on preposition.Control device 60 links to each other with frequency-varying speed-regulating asynchronous AC motor 20, converter position detecting device 40, liquid level sensor 50 and position detecting device 90 respectively, and according to the feedback signal of converter position detecting device 40, liquid level sensor 50 and position detecting device 90 frequency-varying speed-regulating asynchronous AC motor 20 is controlled.Particularly, control device 60 detects melt bag 100 at melt package location checkout gear 90 and is in the precalculated position, and when the liquid levels in the melt bag 100 that melt bag liquid level sensor 50 detects do not reach predetermined height, control device 60 fascinates by frequency-varying speed-regulating asynchronous AC motor 20 and reductor 30 control converters 10, and control device 60 calculates the speed of fascinating and the speed governing requirement of converter 10 according to the current location of the given position of fascinating (angle) and converter 10.
In one embodiment of the invention, this converter 10 is the horizontal bottom blowing converter.
In one embodiment of the invention, also comprise blast or Wind volume detector 130, blast or Wind volume detector 130 are installed on the airduct, for detection of the blast or the air quantity that enter in the stove.Control device 60 also links to each other with blast or Wind volume detector 130, control device 60 is also controlled for blast and the air quantity to airduct when converter 10 is fascinated, when the blast of airduct and deficiency in draught, the control converter inclining is to non-melting position, thereby prevent that the interior melt of converter is ejected or air inlet is damaged by melt, to guarantee device security.
If be bottom-blown converter, then also comprise redundant extreme position checkout gear 110, whether redundant extreme position checkout gear 110 fascinates to extreme position for detection of converter 10.Wherein, control device 60 also links to each other with described redundant extreme position checkout gear 110, when redundant extreme position checkout gear 110 detects after converter 10 goes to extreme position, control device 60 control converters 10 at once emergent stopping are fascinated, and oppositely fascinating to home, thereby the generation of elimination accident.
If be bottom-blown converter, then also comprise body of heater position checking device 120, body of heater position checking device 120 is installed on the outside of the body of heater 11 of converter 10, and body of heater position checking device 120 is for detection of the position of body of heater 11.Wherein, control device 60 also links to each other with body of heater position checking device 120, the testing result of body of heater position checking device 120 and converter position detecting device 40 is processed to check the corresponding error of converter position detecting device 40.In a preferred embodiment of the invention, this control device 60 can be failure safe type controller (PLC), thereby carries out the more control of precise and safety.
In one embodiment of the invention, adopt converter position detecting device 40 to detect the position of converter 10, and testing result is directly fed back to control device 60, so that control device 60 can be directly according to the instruction of feedback result and operator's input, automatically run to the exact position of appointment, thus can be so that efficient, the safe automatic operation of the smelting converter control equipment of the embodiment of the invention.
In another embodiment of the present invention, need melt bag liquid level sensor 50 to have high temperature resistant and characteristic resisting radiation interference.Detect the liquid level position of melt bags by the melt bag liquid level sensor 50 of melt bag oblique upper setting, when liquid level reached limits value, control device 60 was forced to stop to slag tap or going out finished product.The embodiment of the invention detects the position of melt bag by melt package location checkout gear 90, control device 60 only just moves converter 10 and goes to the initial position of slagging tap or going out finished product when the melt bag is in the precalculated position, then fascinate to finish with optional more low speed according to the requirement of slagging tap or going out finished product and slag tap or go out the continuous operation of finished product and allow the more low cruise of where necessary flushing and casting personnel manual intervention, thereby avoided the generation of security incident.In addition, control device 60 converter 10 finish slag tap or go out finished product after, according to the appearance of instruction or liquid level limits value, control frequency-varying speed-regulating asynchronous AC motor 20 is so that correct job position is returned in converter 10.
In a preferred embodiment of the invention, can in control device 60, store a plurality of default processes, each program comprises the predetermined process of controlling frequency-varying speed-regulating asynchronous AC motor 20, each program is corresponding with predetermined smelting production process, such as feeding in raw material, blow, slag tap, go out product, beating the technical process such as the eye of wind.Like this, the process that control device 60 as long as just can select after obtaining operator's instruction is preset, and according to the process of presetting and the feedback of converter position detecting device 40 frequency-varying speed-regulating asynchronous AC motor 20 is controlled.For example, if the operator selects to slag tap process, then control device 60 according to preset program control frequency-varying speed-regulating asynchronous AC motor 20 so that converter 10 goes to default angle, the position of namely slagging tap, and converter 10 slag tap finish after automatically control converter 10 return correct job position.
In one embodiment of the invention, this smelting converter control equipment also comprises the emergent AC induction motor 70 that links to each other with driving wheel tooth or the roller 13 of converter body, emergent AC induction motor 70 links to each other with driving wheel tooth or roller 13 on the body of heater 11 by gear or roller 112 by a reductor 80, certainly also can adopt roller 111 and other connected modes such as roller 112 merging.Therefore simplified original emergent transmission, saved and be unsuitable for smelting the direct current generator that environment uses.
The embodiment of the invention can realize that loaded self-adaptive steadily fascinates, and accurately stops, and realizes safety, efficient, the converter method of operation of saving operation and easy operating.In addition, the embodiment of the invention also can realize the turning angle by production process instruction or manual setting, automatically selects the control of suitable speed and position (angle), and the required lock-in control of keeping the safety in production.And by the embodiment of the invention, except operating desk is comprehensively controlled, can carry out operation control and the security control of necessary production process at the scene of reinforced, discharging, deslagging.The aspect that the present invention adds and advantage in the following description part provide, and part will become obviously from the following description, or recognize by practice of the present invention.
Although illustrated and described embodiments of the invention, for the ordinary skill in the art, be appreciated that without departing from the principles and spirit of the present invention and can carry out multiple variation, modification, replacement and modification to these embodiment, scope of the present invention is by claims and be equal to and limit.
Claims (9)
1. a smelting converter control equipment is characterized in that, comprising:
Converter, described converter comprises body of heater, converter body is provided with driving wheel tooth or roller;
Frequency-varying speed-regulating asynchronous AC motor and reductor, described frequency-varying speed-regulating asynchronous AC motor passes through the described converter inclining of frictional force drives by the gear of described reductor drive or described driving wheel tooth engagement or the roller on roller and the converter body;
The converter position detecting device, described converter position detecting device detects the position of fascinating of described converter;
Melt bag liquid level sensor, described melt bag liquid level sensor is for detection of the liquid level of described melt bag;
Melt package location checkout gear, described melt package location checkout gear for detection of described melt bag whether on preposition;
Blast or Wind volume detector, described blast or Wind volume detector are installed on the airduct, for detection of the blast or the air quantity that enter in the stove; With
Control device, described control device respectively with described frequency-varying speed-regulating asynchronous AC motor, described converter position detecting device, described melt bag liquid level sensor, described melt package location checkout gear links to each other with described blast or Wind volume detector, described control device detects the melt bag at described melt package location checkout gear and is in the precalculated position, and when the liquid level in the melt bag that described melt bag liquid level sensor detects does not reach predetermined height, control described converter inclining by described frequency-varying speed-regulating asynchronous AC motor and reductor, and described control device calculates the speed of fascinating and the speed governing requirement of described converter according to the current location of given turning angle and described converter, and described control device blast and air quantity to described airduct when described converter inclining controlled, when the blast of described airduct and deficiency in draught, control described converter inclining to non-melting position.
2. smelting converter control equipment as claimed in claim 1 is characterized in that,
Described converter position detecting device is installed on the output shaft of described reductor, or is installed on the output shaft of frequency-varying speed-regulating asynchronous AC motor.
3. smelting converter control equipment as claimed in claim 1 is characterized in that, described converter is the horizontal bottom blowing converter.
4. smelting converter control equipment as claimed in claim 3, it is characterized in that, also comprise redundant extreme position checkout gear, whether described redundant extreme position checkout gear goes to extreme position for detection of described converter, described control device also links to each other with described redundant extreme position checkout gear, when described redundant extreme position checkout gear detects after described converter goes to extreme position, described control device is controlled described converter emergent stopping and is fascinated, and oppositely fascinates to home.
5. smelting converter control equipment as claimed in claim 3, it is characterized in that, also comprise body of heater position checking device, described body of heater position checking device is installed on the outside of the body of heater of described converter, described body of heater position checking device is for detection of the position of described body of heater, described control device also links to each other with described body of heater position checking device, testing result to described body of heater position checking device and described converter position checking device processes to calculate the position of described converter, and detects the corresponding error of described converter position detecting device.
6. smelting converter control equipment as claimed in claim 1 is characterized in that, described converter position detecting device is rotary encoder.
7. smelting converter control equipment as claimed in claim 1 is characterized in that, described control device is the failure safe type controller.
8. smelting converter control equipment as claimed in claim 1 is characterized in that, also comprises the emergency driving device that links to each other with converter body driving wheel tooth or roller.
9. smelting converter control equipment as claimed in claim 8 is characterized in that, described emergency driving device is emergent AC induction motor.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2012100012847A CN102564151B (en) | 2012-01-04 | 2012-01-04 | Smelting converter control equipment |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2012100012847A CN102564151B (en) | 2012-01-04 | 2012-01-04 | Smelting converter control equipment |
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| Publication Number | Publication Date |
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| CN102564151A CN102564151A (en) | 2012-07-11 |
| CN102564151B true CN102564151B (en) | 2013-10-16 |
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| CN2012100012847A Active CN102564151B (en) | 2012-01-04 | 2012-01-04 | Smelting converter control equipment |
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Families Citing this family (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104001911A (en) * | 2014-06-12 | 2014-08-27 | 鞍钢股份有限公司 | Monitoring and alarming method in torpedo ladle iron folding operation |
| CN109542039B (en) * | 2018-12-29 | 2021-04-30 | 德阳万达重型机械设备制造有限公司 | Furnace body tilting transmission driving system |
| CN111624884B (en) * | 2020-06-03 | 2022-06-24 | 中冶南方工程技术有限公司 | Automatic slag discharge control method and system for converter slag car linkage |
Family Cites Families (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US3645718A (en) * | 1967-10-09 | 1972-02-29 | Crucible Inc | Method for making steel |
| AT504079B1 (en) * | 2006-09-13 | 2008-09-15 | Siemens Vai Metals Tech Gmbh | METHOD FOR EXTRACTING MELT FROM A TILTABLE METALLURGICAL VESSEL AND APPARATUS FOR CARRYING OUT THE METHOD |
| CN201267865Y (en) * | 2008-09-18 | 2009-07-08 | 宝山钢铁股份有限公司 | Movable ladle liquid level detection apparatus |
| JP5284164B2 (en) * | 2009-03-31 | 2013-09-11 | パンパシフィック・カッパー株式会社 | Slag discharge system and slag discharge method |
| CN201901682U (en) * | 2010-11-22 | 2011-07-20 | 中国恩菲工程技术有限公司 | Rotating furnace |
| CN102080138A (en) * | 2010-12-27 | 2011-06-01 | 中国恩菲工程技术有限公司 | Rotary control system for converter |
| CN102080139A (en) * | 2010-12-27 | 2011-06-01 | 中国恩菲工程技术有限公司 | Tilting control system of converter |
| CN202501761U (en) * | 2012-01-04 | 2012-10-24 | 中国恩菲工程技术有限公司 | Smelting converter control equipment |
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