CN108193016A - A kind of horizontal continuity charging electric arc furnaces intelligent control feeding device and application method - Google Patents
A kind of horizontal continuity charging electric arc furnaces intelligent control feeding device and application method Download PDFInfo
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- CN108193016A CN108193016A CN201810146775.8A CN201810146775A CN108193016A CN 108193016 A CN108193016 A CN 108193016A CN 201810146775 A CN201810146775 A CN 201810146775A CN 108193016 A CN108193016 A CN 108193016A
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- feeding device
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- 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
- C21C5/52—Manufacture of steel in electric furnaces
- C21C5/527—Charging of the electric furnace
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02P—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION OR PROCESSING OF GOODS
- Y02P10/00—Technologies related to metal processing
- Y02P10/20—Recycling
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- Materials Engineering (AREA)
- Metallurgy (AREA)
- Organic Chemistry (AREA)
- Refinement Of Pig-Iron, Manufacture Of Cast Iron, And Steel Manufacture Other Than In Revolving Furnaces (AREA)
- Furnace Charging Or Discharging (AREA)
Abstract
The present invention relates to a kind of horizontal continuity charging electric arc furnaces intelligent control feeding device and application methods.Horizontal continuity charging electric arc furnaces intelligent control feeding device includes raw material feeding apparatus, high hopper equipment, belt conveyor, batch mixer, material distributing machine and control system.Horizontal continuity charging electric arc furnaces Intelligent feeding device and application method are directed to the characteristic Design of horizontal continuity charging electric arc furnaces, device configured in one piece is reasonable, feed process automation, appliance computer intelligence system has remote operation, the advantages that high degree of automation, reduce manual operation, mitigate labor intensity, improve worker laboring environment, it improves labor efficiency, increase economic benefit, it can accurately add in material simultaneously, whole-course automation controls, reduce the time delays of hand stock, productivity improves, it improves a lot to the quality of product, with very high economy and practical value.
Description
Technical field
The present invention relates to a kind of horizontal continuity charging electric arc furnaces intelligent control feeding device and application methods, belong to electric arc smelting
Refine technical field.
Background technology
At this stage, fast, the sweeping feature that breaks out is presented in the development of crude steel total amount, and following scrap resources recycling will also occur one
A quick stage high-volume increased, and it is big that superposition, which occur, in scrap resources rapid growth and the fluctuation of crude steel total amount or slow decline
Probability event, therefore, China's scrap resources will tend to be abundant quickly.Scale enlargement has been spent in China's steel industry development
Phase is currently in peak value Hu Ding area's stages, according to the international electric arc furnaces steel rule of development, as China's steel industry is further to peak
It is worth the development of area's middle and later periods, China's electric arc furnaces steel ratio will start gradually to go up.Electric arc furnaces short route is discharged less, is taken up little area, energy consumption
Low advantage will more show.China by accelerate push green manufacturing System Construction, accelerate create have land used it is intensive, production
The gueen factory of the features such as purifying, changing waste into resources, energy low-carbon.
At present, China's horizontal continuity charging electric arc furnaces, in some continuous production processes, substantially utilizes manual weighing, people
Work charging carries out, and the time interval of charging and the weight of charging are affected by human factors very greatly, it is easy to cause production cost
Increase and product quality it is unstable, when serious, technological requirement is not achieved in production target.Secondly, electric arc furnaces is to utilize electric arc
The heat melting ore of generation and the industrial furnace of metal, energy is concentrated very much when gas discharge forms electric arc, and arc area temperature is 3000
DEG C or more.Since operating personnel are close apart from electric furnace, the working environment of operating personnel is severe, and is in extreme danger.Furthermore work
The labor intensity of people is very big, be easy to cause waste and physical impairment, reduces production efficiency.
Chinese patent CN201310453087.3 discloses after a kind of electric furnace or electric Converter material alloying system into being arranged
Standby, complete equipment mechanism is compact, and floor space is small, and the degree of automation is higher, but during material whereabouts, lower section device can be caused directly
The shock connect, equipment are fragile.Patent CN201510877669.3 is related to a kind of steel loading device for feeding electric furnace, provides a kind of energy
It feeds at any time to electric furnace, feed manageable device, but it does not have meausring apparatus, and electric furnace raw material can not be carried out accurately to add
Enter.Patent CN201720412898.2 discloses a kind of electric furnace charging carriage device, will using trolley and jigging conveyer is fed
Material is sent into electric furnace, wherein, feeding trolley is the jigging conveyer carrying material and by object for carrying and shifting jigging conveyer
Material is sent into electric furnace, but its degree of automation is relatively low and cannot accurately control the addition of material, needs manually to determine weight of material
It is packed into trolley later, electric furnace is sent by trolley.
Invention content
(1) technical problems to be solved
In order to solve the above problem of the prior art, the present invention provides a kind of horizontal continuity charging electric arc furnaces intelligent control and adds
Expect device, the device energy automatic material taking, feeding can simultaneously control the dosage of raw material, and the abundant batch mixing of energy, realize automation control, greatly
Amplitude has saved labour, so as to reduce production cost.
(2) technical solution
In order to achieve the above object, the main technical schemes that the present invention uses include：
A kind of horizontal continuity feeds electric arc furnaces intelligent control feeding device, including raw material feeding apparatus, high hopper equipment,
Belt conveyor, batch mixer, material distributing machine and control system, the raw material feeding apparatus are controlled by the control system and transport raw material
It transports in the high hopper equipment, the belt conveyor is set on the lower section of the high hopper equipment, the Belt Conveying
The output terminal of machine corresponds to the feed inlet setting of the batch mixer, and the discharge port of the batch mixer corresponds to the feed inlet of the material distributing machine
Setting, the discharge port of the material distributing machine correspond to the setting of electric arc furnaces horizontal feed roller-way, and the high hopper equipment includes high-order material
Storehouse, feed gate, scale hooper, discharge valve and buffering ramp, the top of the high hopper are equipped with feed inlet, described in the setting of lower section
Material inlet valve, the scale hooper are set on the lower section of the material inlet valve, and the buffering ramp is set on the lower section of the scale hooper, institute
Stating control system controls the raw material feeding apparatus that raw material is invested in the high hopper equipment, the control system connection
And control the open and close of the material inlet valve and discharge valve.
Feeding device as described above, it is preferable that the raw material feeding apparatus includes manipulator and bridge crane, bridge-type
Crane is set on raw material storing place and the top of the high hopper equipment, and the manipulator connects rising for the bridge crane
Rise structure.
Feeding device as described above, it is preferable that the lower section of the scale hooper is equipped with weighing sensor, the weighing and sensing
Device connects the control system.
Feeding device as described above, it is preferable that ramp and the angle of inclination of horizontal direction of buffering is 30 °~60 °,
The feed opening in the buffering ramp corresponds to the belt conveyor setting.
Further, the buffering ramp includes the upper buffering ramp being connected with each other and lower buffering ramp, the upper buffering slope
Road and the angle of inclination of horizontal direction are 30 °~60 °, 25 °~15 ° of the angle of inclination of the lower buffering ramp and horizontal direction.
Feeding device as described above, it is preferable that the raw material feeding apparatus further includes ground feed bin, the ground feed bin
Corresponding raw material storing place setting.
Further, the ground feed bin is equipped with one or more, and the corresponding high hopper is equipped with one or more.
Feeding device as described above, it is preferable that the high hopper inner wall is equipped with level-sensing device, and the level-sensing device connects institute
State control system
The application method of horizontal continuity charging electric arc furnaces intelligent control feeding device as described above, includes the following steps：
S1, start control system；
S2, material is transported to by high hopper by raw material feeding apparatus；
Feed gate of the material through high hopper lower part in S3, high hopper is sent into scale hooper, according in control system
Alloying Ingredient Model calculate each dispensing batch raw material proportioning, when in scale hooper material reach needed for weight when, control system receive
To signal and feed gate is controlled to close, open discharge valve, material can fall into the belt conveyor of face into buffering ramp
On feed belt；
S4, material are transported to batch mixer and carry out batch mixing, the material being mixed evenly is through material distributing machine with the operating of feed belt
Cloth enters horizontal feed roller-way, starts horizontal feed roller-way, and material enters the horizontal continuity charging horizontal preheating channel of electric arc furnaces.
(3) advantageous effect
The beneficial effects of the invention are as follows：
Horizontal continuity charging electric arc furnaces Intelligent feeding device provided by the invention, equipped with high hopper equipment and raw material feeding
Device can realize automatic charging, and device configured in one piece is reasonable, and feed process automation, and appliance computer intelligence system has long-range
The advantages that operation, high degree of automation, reduces manual operation, mitigates labor intensity, improves worker laboring environment, improves labor
Efficiency of movement increases economic benefit, while can accurately add in material, and whole-course automation control, the time for reducing hand stock prolongs
Accidentally, production efficiency is improved, is improved a lot to the quality of product, there is very high economy and practical value.
Description of the drawings
Fig. 1 is the cross-sectional view of horizontal continuity charging electric furnace intelligent control feeding device in the embodiment of the present invention 1；
Fig. 2 is the cross-sectional view of horizontal continuity charging electric furnace intelligent control feeding device in the embodiment of the present invention 2.
【Reference sign】
1：Manipulator；
2：Bridge crane；
3：High hopper；
4：Material inlet valve；
5：Scale hooper；
6：Discharge valve；
7：Buffer ramp；
8：Weighing sensor；
9：Belt conveyor；
10：Ground feed bin；
11：Batch mixer；
12：Material distributing machine.
Specific embodiment
In order to preferably explain the present invention, in order to understand, below in conjunction with the accompanying drawings, by specific embodiment, to this hair
It is bright to be described in detail.
Embodiment 1
A kind of horizontal continuity charging electric furnace intelligent control feeding device, including：Raw material feeding apparatus, high hopper equipment,
Belt conveyor, batch mixer, material distributing machine and control system；Raw material feeding apparatus is controlled by control system raw material transporting a high position
In apparatus of stock house, raw material is carried out blanking by high hopper equipment according to required raw material dosage, and belt conveyor is set on high hopper
The lower section of equipment, the feed opening of high hopper equipment correspond to the feed belt setting of belt conveyor, the output of belt conveyor
The feeding mouth setting of the corresponding batch mixer in end, the discharge port of batch mixer corresponds to the feeding port setting of material distributing machine, from high hopper equipment
Raw material under launching is delivered to by belt conveyor in mixing device, is entered material distributing machine cloth after carrying out batch mixing, is entered later
Horizontal feed roller-way, material enter the horizontal continuity charging horizontal preheating channel of electric arc furnaces.
Specifically, as shown in Figure 1, manipulator 1 and bridge crane 2 can be used in raw material feeding apparatus, bridge crane 2 is set
In raw material storing place and the top of high hopper equipment, manipulator 1 connects the raising structure of bridge crane 2.Manipulator 1 is by controlling
System processed controls picking up material and launching, and manipulator 1 is lifted and moved by control system control control by bridge crane 2
It is dynamic, high hopper position is moved to by material storing place.
High hopper equipment includes high hopper 3, feed gate 4, scale hooper 5, discharge valve 6 and buffering ramp 7, wherein,
The top of high hopper 3 is equipped with feed inlet, lower section setting material inlet valve 4, and scale hooper 5 is set on the lower section of material inlet valve 6, scale hooper
5 for receiving the material of the decentralization out of high hopper 3, and buffering ramp 7 connects the lower section setting of scale hooper 5, in scale hooper 5 with delaying
It rushes between ramp 7 equipped with discharge valve 6, for the decentralization of control material.Control system control raw material feeding apparatus launches raw material
In high hopper equipment, control system connects and controls material inlet valve and the open and close of discharge valve.
Weighing sensor 8, weighing sensor connection control system are equipped in the lower section of scale hooper 5.Weighing sensor will claim
The weight information of material is converted into signal transmission to control system in batch box, and whether control system reaches according to the weight information of acquisition
Further determine that closing still continues on material inlet valve to set weight parameter, when material reaches setting in scale hooper
Weight parameter, control system control material inlet valve are closed.
The feed opening in buffering ramp 7 corresponds to belt conveyor 9 and sets, and buffers the setting in ramp in order to avoid material is from weighing
Bucket, which is fallen, to be directly entered on the feed belt of belt conveyor 9, to the damage that feed belt causes to avoid, by buffering ramp and water
Square to angle of inclination for 30 °~60 ° setting, material can be made slowly to be slipped on feed belt, effectively extend feed belt
Service life.By further experimental study, ramp will be buffered by, which finding, is set as the upper buffering ramp being connected with each other and lower buffering
Ramp, wherein, the angle of inclination of upper buffering ramp and horizontal direction is 30 °~60 °, the inclination of lower buffering ramp and horizontal direction
25 °~15 ° of angle, best results.
Material is placed in raw material storing place, for convenience of the storage of material, equipped with ground feed bin 10, and convenient for the storage of material,
It also allows for manipulator and captures material from fixed position.Manipulator 1 is captured from ground feed bin 10 material by bridge crane 2
Material, is moved to high hopper 3, and material enters high hopper 3 and passes through material inlet valve 4, scale hooper 5, discharge valve 6 and buffering ramp
7, belt conveyor 9 is eventually fallen in, by Belt Conveying to batch mixer 11, after the mixing of batch mixer 11, into 12 cloth of material distributing machine
Material, later into horizontal feed roller-way, material enters the horizontal continuity charging horizontal preheating channel of electric arc furnaces, and realizing can automate
Charging.Control system includes PLC (programmable logic controller (PLC)) and PC (computer), PC for showing the parameter of materials of setting
Amount etc., PLC for control machinery hand, crane, the material inlet valve of high hopper, scale hooper discharge valve action.
The application method of above-mentioned horizontal continuity charging electric arc furnaces intelligent control feeding device, includes the following steps：
S1, it material is corresponded to program setting is placed on the raw material storing place specified, start the indoor computer control system of master control
System；
S2, the different material for being stored in raw material storing place is transported to by corresponding high hopper by manipulator；
Feed gate of the material through high hopper lower part in S3, high hopper is sent into scale hooper, according in control system
Alloying Ingredient Model calculate each dispensing batch raw material proportioning, the scale hooper output signals to, when weight needed for arrival, computer
Control system receives signal and feed gate is controlled to close, and opens discharge valve, and material can enter buffering ramp and fall into face
On the feed belt of belt conveyor；
S4, material are transported to batch mixer and carry out batch mixing, the material being mixed evenly is through material distributing machine with the operating of feed belt
Cloth enters horizontal feed roller-way, starts horizontal feed roller-way, and material enters the horizontal continuity charging horizontal preheating channel of electric arc furnaces.
Embodiment 2
Accelerate feeding speed in order to realize, further improve working efficiency, the present embodiment is on the basis of example 1
On, ground feed bin is set as multiple, is correspondingly provided with multiple high hoppers, is equipped with feed gate under high hopper, it is all into
Material valve corresponds to scale hooper setting, ensures that material backwardness under material inlet valve can be fallen into scale hooper, and control system is for one
A ground feed bin corresponds to a high hopper setting, and material should prepare in advance, and corresponding set-up of control system corresponds to program and is put into finger
In fixed corresponding ground feed bin, ensure that material matches setting with the Alloying Ingredient Model of control system, ensure all materials and object used
The dosage of material accurately controls.
In order to which the material ensured in high hopper is the material that disclosure satisfy that needed for feeding, set in each high hopper inner wall
There is level-sensing device, for measuring the amount whether material in high hopper reaches setting, after control system starts, manipulator crawl
It is launched after material to a high position in expecting, if when material is not up to the position for setting level-sensing device, signal is fed back to control by level-sensing device
System processed, control system meeting repetitive operation fill it up with high hopper to the corresponding position of setting level-sensing device.When material reaches material position
When counting position, signal can be fed back to control system by level-sensing device, and control system is by the charging for starting next material or opens simultaneously
Added with the feed gate of material, material will enter scale hooper, and when reaching setting weight, control system will close material inlet valve,
Stop being fed in bucket, control system can open discharge valve, and material enters buffering ramp, falls on travelling belt, passes through
Intervals treat that material all gets off completely, can close discharge valve.At the same time, control system meeting control machinery hand will
Corresponding material is filled in another high hopper, control system can control the material inlet valve below corresponding high hopper at this time, carry out
Material weighing, weighing sensor show reach setting material amounts after, close material inlet valve, open discharge valve, material along buffering
Ramp is fallen on travelling belt, and travelling belt, which can be set as needed, to be run or paused for different time intervals, makes material whole
It falls above travelling belt, will not should can not accumulate any more and fall outside belt, after required mixed material fully falls in travelling belt,
Control system starts travelling belt and send material to mixing machine, and mixing machine carries out mixed material.Or travelling belt runs set always
It puts, material is transported to mixing machine, according to the setting of time, after setting material fully enters mixing machine, mixing machine starts again
It works material mixing, with this circular flow, realizes continuous charging.
The application method of above-mentioned horizontal continuity charging electric arc furnaces intelligent control feeding device, includes the following steps：
S1, material is corresponded to program setting be placed in the ground feed bin specified, start control system；
S2, the different material being stored in the feed bin of ground is transported in corresponding different high hoppers by manipulator；
Feed gate of the material through high hopper lower part in S3, high hopper is sent into scale hooper 7, is controlled according to computer
Alloying Ingredient Model in system calculates each dispensing batch raw material proportioning, outputs signals to the scale hooper of different material, when arrival institute
When needing weight, computer control system receives signal and feed gate is controlled to close, and opens discharge valve, and material can enter buffering
Ramp is fallen on the feed belt of the belt conveyor of face；
S4, material are transported to batch mixer and carry out batch mixing, the material being mixed evenly is through material distributing machine with the operating of feed belt
Cloth enters horizontal feed roller-way, starts horizontal feed roller-way, and material enters the horizontal continuity charging horizontal preheating channel of electric arc furnaces.
Above device can realize the continuous charging of automation control, reduce the labor intensity of operating personnel, improve artificial
Feed time is improved labor efficiency, and increases economic benefit.
The above described is only a preferred embodiment of the present invention, being not the limitation that other forms are done to the present invention, appoint
What those skilled in the art can be changed or be modified as the equivalence enforcement of equivalent variations using technology contents disclosed above
Example.But it is every without departing from technical solution of the present invention content, technical spirit according to the present invention is appointed to what above example was made
What simple modification, equivalent variations and remodeling still falls within the protection domain of technical solution of the present invention.
Claims (9)
- The electric arc furnaces intelligent control feeding device 1. a kind of horizontal continuity feeds, which is characterized in that it includes raw material feeding apparatus, height Position apparatus of stock house, belt conveyor, batch mixer, material distributing machine and control system, the raw material feeding apparatus is by the control system Control transports raw material into the high hopper equipment, and the belt conveyor is set on the lower section of the high hopper equipment, The output terminal of the belt conveyor corresponds to the feed inlet setting of the batch mixer, and the discharge port of the batch mixer corresponds to the cloth The feed inlet setting of material machine, the discharge port of the material distributing machine correspond to the setting of electric arc furnaces horizontal feed roller-way, and the high hopper is set Standby to include high hopper, feed gate, scale hooper, discharge valve and buffering ramp, the top of the high hopper is equipped with feed inlet, Lower section sets the material inlet valve, and the scale hooper is set on the lower section of the material inlet valve, and the buffering ramp is set on the title The lower section of batch box, the control system control the raw material feeding apparatus that raw material is invested in the high hopper equipment, institute State the open and close that control system connects and controls the material inlet valve and discharge valve.
- 2. feeding device as described in claim 1, which is characterized in that the raw material feeding apparatus includes manipulator and bridge-type rises Heavy-duty machine, the bridge crane are set on the top of raw material storing place and the high hopper equipment, described in the manipulator connection The raising structure of bridge crane.
- 3. feeding device as described in claim 1, which is characterized in that the lower section of the scale hooper is equipped with weighing sensor, institute It states weighing sensor and connects the control system.
- 4. feeding device as described in claim 1, which is characterized in that the buffering ramp and the angle of inclination of horizontal direction are 30 °~60 °, the feed opening in the buffering ramp corresponds to the belt conveyor setting.
- 5. feeding device as described in claim 1, which is characterized in that the buffering ramp includes the upper buffering slope being connected with each other The angle of inclination of road and lower buffering ramp, the upper buffering ramp and horizontal direction for 30 °~60 °, the lower buffering ramp with 25 °~15 ° of the angle of inclination of horizontal direction.
- 6. feeding device as described in claim 1, which is characterized in that the raw material feeding apparatus further includes ground feed bin, institute It states ground feed bin and corresponds to the setting of raw material storing place.
- 7. feeding device as claimed in claim 6, which is characterized in that the ground feed bin is equipped with one or more, corresponding institute It states high hopper and is equipped with one or more.
- 8. feeding device as described in claim 1, which is characterized in that the high hopper inner wall is equipped with level-sensing device, the material Position meter connects the control system.
- 9. the application method of horizontal continuity charging electric arc furnaces intelligent control feeding device as described in any one of claim 1-8, Include the following steps：S1, start control system；S2, material is transported to by high hopper by raw material feeding apparatus；Feed gate of the material through high hopper lower part in S3, high hopper is sent into scale hooper, matching in control system Material model calculates each dispensing batch raw material proportioning, and when weight needed for material arrival in scale hooper, control system receives letter Number and feed gate is controlled to close, open discharge valve, material can enter buffering ramp fall into face belt conveyor transmission On belt；S4, material are transported to batch mixer and carry out batch mixing, the material being mixed evenly is through material distributing machine cloth with the operating of feed belt Into horizontal feed roller-way, start horizontal feed roller-way, material enters the horizontal continuity charging horizontal preheating channel of electric arc furnaces.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810146775.8A CN108193016B (en) | 2018-02-12 | 2018-02-12 | Intelligent control charging device of horizontal continuous charging electric arc furnace and use method |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810146775.8A CN108193016B (en) | 2018-02-12 | 2018-02-12 | Intelligent control charging device of horizontal continuous charging electric arc furnace and use method |
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| CN108193016A true CN108193016A (en) | 2018-06-22 |
| CN108193016B CN108193016B (en) | 2020-01-24 |
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| CN201810146775.8A Active CN108193016B (en) | 2018-02-12 | 2018-02-12 | Intelligent control charging device of horizontal continuous charging electric arc furnace and use method |
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Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109896249A (en) * | 2019-03-31 | 2019-06-18 | 中国葛洲坝集团水泥有限公司 | A kind of joint storage cavern crane automatic batching system |
| CN109974458A (en) * | 2019-03-25 | 2019-07-05 | 宁夏三元中泰冶金有限公司 | A kind of mineral hot furnace automatic blending, feeding, cloth system and device |
| CN110307560A (en) * | 2019-06-10 | 2019-10-08 | 龙口矿业集团有限公司 | A kind of application of Microcomputer Burden System in Coal Transportation System |
| CN110825053A (en) * | 2019-11-19 | 2020-02-21 | 王希宏 | Full-flow intelligent control system for electric arc furnace steelmaking |
| CN112066727A (en) * | 2020-09-18 | 2020-12-11 | 株洲火炬工业炉有限责任公司 | Metal low-oxygen smelting system and low-oxygen smelting method |
| CN114854932A (en) * | 2022-05-31 | 2022-08-05 | 中冶京诚工程技术有限公司 | Scraper type hot direct reduced iron conveying device and method |
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| CN203320049U (en) * | 2013-05-16 | 2013-12-04 | 常州市卓信机电设备制造有限公司 | Automatic ingredient feeding system of electric furnace |
| CN103525975A (en) * | 2013-09-27 | 2014-01-22 | 中天钢铁集团有限公司 | Complete equipment of alloy charging system behind electric furnace or electric converter |
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| US5400358A (en) * | 1992-10-13 | 1995-03-21 | Consteel, S.A. | Continuous scrap preheating |
| CN2823193Y (en) * | 2005-09-07 | 2006-10-04 | 河南天隆输送装备有限公司 | Buffer bunker for belt conveyer |
| CN203320049U (en) * | 2013-05-16 | 2013-12-04 | 常州市卓信机电设备制造有限公司 | Automatic ingredient feeding system of electric furnace |
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Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109974458A (en) * | 2019-03-25 | 2019-07-05 | 宁夏三元中泰冶金有限公司 | A kind of mineral hot furnace automatic blending, feeding, cloth system and device |
| CN109896249A (en) * | 2019-03-31 | 2019-06-18 | 中国葛洲坝集团水泥有限公司 | A kind of joint storage cavern crane automatic batching system |
| CN110307560A (en) * | 2019-06-10 | 2019-10-08 | 龙口矿业集团有限公司 | A kind of application of Microcomputer Burden System in Coal Transportation System |
| CN110825053A (en) * | 2019-11-19 | 2020-02-21 | 王希宏 | Full-flow intelligent control system for electric arc furnace steelmaking |
| CN112066727A (en) * | 2020-09-18 | 2020-12-11 | 株洲火炬工业炉有限责任公司 | Metal low-oxygen smelting system and low-oxygen smelting method |
| CN114854932A (en) * | 2022-05-31 | 2022-08-05 | 中冶京诚工程技术有限公司 | Scraper type hot direct reduced iron conveying device and method |
| CN114854932B (en) * | 2022-05-31 | 2023-08-15 | 中冶京诚工程技术有限公司 | Scraper type hot direct reduced iron conveying device and method |
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|---|---|
| CN108193016B (en) | 2020-01-24 |
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