CN202804122U - Automatic slag adding machine - Google Patents
Automatic slag adding machine Download PDFInfo
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- CN202804122U CN202804122U CN 201220171794 CN201220171794U CN202804122U CN 202804122 U CN202804122 U CN 202804122U CN 201220171794 CN201220171794 CN 201220171794 CN 201220171794 U CN201220171794 U CN 201220171794U CN 202804122 U CN202804122 U CN 202804122U
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- slag
- conveying
- swing arm
- adding machine
- slag adding
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Abstract
The utility model relates to an automatic slag adding machine comprising a trolley mechanism, wherein a conveying system is mounted on the trolley mechanism in a horizontally swinging mode; a storage system is mounted near the tail part of the conveying system; and a blanking pipe is arranged at the head part of the conveying system. The automatic slag adding machine is characterized in that the blanking system is connected with a swinging arm system; and the blanking pipe does linear motion along a crystallizer. The automatic slag adding machine has the advantages that the conventional curve motion slag adding mode is changed and a linear motion slag adding mode which is consistent with the section of the crystallizer is adopted, so that slag is added completely and the area of the crystallizer can be covered completely; and secondary oxidation of molten steel and air is avoided, oxide impurities of the molten steel are reduced, the quality of a casting blank is improved, the labor intensity of workers is reduced, operating accidents are reduced, the production cost is saved, and the automation level of continuous casting production operation is increased. The automatic slag adding machine has the function of detecting the thickness of covering slag, can control the adding amount of the covering slag, avoids waste of the covering slag, is reasonable in overall structural design, combines production actual requirement, is low in loss, convenient to run and easy to operate, and avoids waste.
Description
Technical field
The utility model relates to a kind of in the metallurgy industry process for making, utilizes the protection powder to the process field of motlten metal, belongs to IPC classification B21D 11/111, particularly relates to a kind of automatic slag adding machine.
Background technology
During continuous casting is produced; crystallizer is the critical component of conticaster; liquid molten steel carries out the cooling first time by crystallizer and forms initial solidification shell; steel billet pumps by crystallizer and breaks away from; need continuous liquid steel surface in crystallizer to add covering slag in this link; one side can make fully lubricated and control heat transmission between steel billet and the crystallizer; covering slag covers liquid molten steel fully on the other hand; can isolate molten steel and contact with air, to keeping the composition of steel, prevent the molten steel ingress of air and secondary oxidation; reduce the inside steel billet oxide inclusions; breaking away from smoothly crystallizer and play a part key, is indispensable operation, and China's continuous casting process is complicated; field apparatus is installed compact; narrow space, the automatic slag technical development is slower, and mostly employing manually adds the slag mode and adds covering slag.But manually add the random large of slag, thickness of slag layer is inhomogeneous in the crystallizer, easily causes the problem such as slag, secondary oxidation of steel and affects surface and the inherent quality of strand.In view of this; in order to improve continuous casting billet quality and to improve workman's working condition; recent year is progressively developed different crystallizer protecting residue automatic slag technology; but popularity rate is not high, mostly still adopts the mode that manually adds slag, and only several steel mills adopt the automatic slag adding machine of import; not only expensive; and can not cover the mouth of a river fully and add slag, need the artificial slag of mending, still affect billet quality.
In the prior art, the number of applying for a patent is 200820187959 and 201110032085.8 Chinese patent " wide section slab automatic slag system ", " a kind of Double-barrelled automatic slag adding machine ", and two parts of disclosed technology contents of file have the following disadvantages:
1, the mobile slag that adds.Integral body was mobile simultaneously with conveying pipeline when the number of applying for a patent was the work of 200820187959 slag adding machine, when changing protection slag charge or filler, needed operative employee's human and computer to move simultaneously, and with walking with adding, operating difficulties is prone to accidents.
2, do not have heated protective slag function, directly add cold slag.The number of applying for a patent is that 201110032085.8 slag adding machine directly is transferred to slag charge in the crystallizer, and slag charge contains moisture, affects billet quality.
3, can't near the mouth of a river, need to manually add slag charge.The number of applying for a patent is that 200820187959 slag adding machine the dead angle occurs in place, the mouth of a river when moving, and is far away apart from place, the mouth of a river when swing arm moves to minimum zone, can not cover the mouth of a river
In addition, the external automatic slag adding machine of introducing, lower slag pipe becomes movement in a curve, and the mold shape that can't coincide causes slag charge to waste or add the problem of slag charge deficiency, and its arm is long, and floor space is very large, is difficult for controlling
People expect to obtain the better automatic slag of a kind of technique effect system, not only improve the security that billet quality more can improve production.
Summary of the invention
The utility model provides a kind of automatic slag adding machine for solving the technical problem that exists in the known technology, this slag adding machine and add the area that the slag method can cover crystallizer comprehensively.
The technical scheme that the utility model is taked for the technical problem that exists in the solution known technology is:
A kind of automatic slag adding machine, comprise trolley body, but the mode with horizontal hunting on the trolley body is equipped with conveying system, the close afterbody place of conveying system is equipped with the material system of holding, the conveying system head is material blanking tube, it is characterized in that: material blanking tube links to each other with the swing arm system, and material blanking tube is done rectilinear motion along crystallizer.
The utility model can also adopt following technical scheme:
Described conveying system is linked to each other successively to head from its afterbody by conveying motor, conveying pipeline, telescoping tube, elastic connecting pipe, material blanking tube and consists of, and wherein, also is provided with blanking port on the lower surface of material blanking tube,
Conveying system also comprises the flexible auger that afterbody links to each other with the conveying motor, and flexible auger passes conveying pipeline, telescoping tube, elastic connecting pipe and material blanking tube successively, and the head position of flexible auger is corresponding with the position of blanking port.
Hold the material system and comprise build bin, build bin bottom discharge mouth links to each other with the top port of the rotary connector that conveying system is installed, and the rear side of rotary connector links to each other with the conveying motor, and the front side links to each other with conveying pipeline.
The swing arm system comprises swing arm, and the front end of swing arm is connected with material blanking tube by fixing cutting ferrule, and the rear end of swing arm is connected with the swing arm slide block, and the swing arm slide block links to each other with the swing arm leading screw, and the swing arm leading screw links to each other with the swing arm driving motor.
The lower end of blanking port is provided with deflector, and deflector is provided with splitter box.
Conveying pipeline is provided with tubular heater, and the cephalad direction of tubular heater is provided with steam vent on conveying pipeline.
Trolley body includes the chassis, and the chassis is provided with the case that connects material, and the bottom that is used for being equipped with the rotary connector of conveying system is provided with discharge valve, and discharge valve links to each other with the case that connects material by discharge port.
Described automatic slag adding machine also includes the slag charge thickness transducer that is installed on the crystallizer, and the motor speed that the slag charge thickness that detects according to the slag charge thickness transducer is regulated conveying system is controlled the delivery rate of covering slag.
The utility model also provides a kind of automatic slag adding machine for solving the technical problem that exists in the known technology, and this slag adding machine can improve the efficiency of heating surface to covering slag.
The technical scheme that the utility model is taked for the technical problem that exists in the solution known technology is:
A kind of automatic slag adding machine comprises conveying system, and the conveying pipeline middle part of conveying system is provided with tubular heater, and the cephalad direction of tubular heater is provided with steam vent on conveying pipeline.
Advantage and the good effect that the utlity model has are:
After the utility model has adopted above technical scheme, changed conventional movement in a curve and added the slag mode, be automatically changeb to rectilinear motion by movement in a curve and add slag, can be consistent with the crystallizer cross section, realize adding slag fully, do not stay the dead band, avoided molten steel and air secondary oxidation, reduce molten steel oxidation thing impurity, improve slab quality, reduced labor strength, reduced operating accident, save production cost, improved the automatization level of continuous casting production operation.Innovative design covering slag thickness detection function, controlled covering slag adds quantity, avoids the covering slag waste.Unique tubular heater is set directly on the conveying pipeline, power is low, and heat waste is little, and it is integrated conveniently to add slag, need not to arrange in addition firing equipment, global design is reasonable, in conjunction with producing actual needs, low-loss, do not waste, operation is convenient, and processing ease is greatly improved than before automatic slag adding machine each side.
Description of drawings
Fig. 1 is structural representation of the present utility model;
Fig. 2 is the top view of Fig. 1.
Among the figure: 1, material blanking tube; 2, blanking port; 3, flexible auger; 4, elastic connecting pipe; 5, telescoping tube; 6, axial sealing ring; 7, steam vent; 8, tubular heater; 9, left conveying pipeline; 10, level sensor; 11, alarm; 12, build bin; 13, touch display screen; 14, rotary connector; 15, conveying motor; 16, switch board; 17, swing arm driving motor; 18, lift adjustment nut; 19, trolley body; 20, discharge port; 21, the case that connects material; 22, discharge valve; 23, lower support arm; 24, lower swing arm; 25, upper support arm; 26, lower swing arm roller; 27, top link roller; 28, top link; 29, fixing cutting ferrule; 30, deflector; 31, splitter box; 32, covering slag; 33, molten steel; 34, slag charge thickness transducer; 35, crystallizer; 36, the mouth of a river; 37, gear pair; 38, lower swing arm leading screw; 39, top link leading screw; 40, chassis; 41, discharging opening; 42, top link slide block; 43, reinforced screen cloth; 44, lower swing arm slide block; 45, right conveying pipeline.
The specific embodiment
For further understanding utility model content of the present utility model, Characteristic, hereby exemplify following examples, and cooperate accompanying drawing to be described in detail as follows:
Embodiment 1:
The utility model can be selected 1 cover conveying system, also can select 2 cover conveying systems, also can select the conveying system of greater number.Present embodiment is only described the embodiment that has selected 2 cover conveying systems.
See also Fig. 1 to Fig. 2, a kind of automatic slag adding machine, comprise trolley body 19, but the mode with horizontal hunting on the trolley body is equipped with 2 cover conveying system---left conveying system and right conveying systems, the close afterbody place of conveying system is equipped with the material system of holding, the head of conveying system is material blanking tube 1, and material blanking tube links to each other with the swing arm system, and material blanking tube is done rectilinear motion along crystallizer 35.
Every cover conveying system is linked to each other successively to head from its afterbody by conveying motor 15, conveying pipeline 9, axial sealing ring 6, telescoping tube 5, elastic connecting pipe 4, material blanking tube 1 and consists of, wherein, also be provided with blanking port 2 on the lower surface of material blanking tube, conveying system also comprises the flexible auger 3 that afterbody links to each other with the conveying motor, flexible auger passes conveying pipeline, telescoping tube, elastic connecting pipe and material blanking tube successively, and the head position of flexible auger is corresponding with the position of blanking port.
Flexible auger: all be the rigid auger that adopts the inflexibility conveying in the past at the utility model, take the Chinese patent of the patent No. as 201110032185.8 as typical application examples, and auger described in the utility model is flexible and can make a circulation to carry a kind of of slag charge can flexible auger, under the effect of swing arm, auger bends to change the conveying direction in elastic connecting pipe.As: when the crystallizer width was 2.1m, namely material blanking tube moved back and forth in the length range of 2.1m, required the interior flexible auger head of conveying pipeline perpendicular to the crystallizer conveying, and the angle of bend at its elastic connecting pipe place is 32 °.
Can be along the axially movable telescoping tube of conveying pipeline: the utility model be to adopt the movement of cam structure to change radius that the conveying process constantly changes in the past, take the Chinese patent of the patent No. as 201110032185.8 as typical application examples.And the utility model is to add a telescoping tube at conveying pipeline, can change along the conveying pipeline axial stretching radius of continuous variation, and the elongation radius is between 0-300mm.Like this, telescoping tube can move axially to change along conveying pipeline the radius of the conveying conveying system integral body of continuous variation, and the conveying change in radius can reach 440mm.The internal diameter of telescoping tube relies on axial sealing ring 6 sealings greater than the external diameter of conveying pipeline between telescoping tube and the conveying pipeline.
Flexible elastic connecting pipe: blanking port is on conveying pipeline before the utility model, conveying pipeline is done circular swing motion under the driving of external force, above crystallizer with have an appointment 30 ° drift angle of crystallizer, and above crystallizer, do movement in a curve, can not make entering in the crystallizer of slag charge 100%, take external slag adding machine as example, conveying pipeline is done circular swing motion in the utility model under the driving of external force, elastic connecting pipe is done bending motion, final blanking port movement locus and the crystallizer of keeping coincide, and keeps blanking port vertical with crystallizer.。When the maximum openness of swing arm was 2.1 meters, there were 32 ° of angles at the outer elastic connecting pipe place of blanking port and conveying pipeline
Flexible auger rear side links to each other with the conveying motor, and the conveying motor is variable-frequency motor, and under the control of control system, the rotating speed of conveying motor can change.Flexible auger is transported to material blanking tube with the blanking port place at angle of inclination with covering slag by rotary connector under the driving of conveying motor.
The conveying pipeline front end has been installed respectively elastic connecting pipe and telescoping tube in the conveying system; the two combines; just can be implemented under the drive of pumping arm action; elastic connecting pipe is done bending motion; telescoping tube is done axial stretching with respect to conveying pipeline and is moved to realize conveying system variation in the longitudinal direction; and the compensation material blanking tube is at the pivot angle at the diverse location place of crystallizer; so that left and right sides conveying pipeline arcuate movement is transformed into the rectilinear motion of left and right sides material blanking tube; covering slag after left and right sides blanking port output, the left and right sides deflector of installing by its underpart the blanking track is matched with the crystallizer cross section and material blanking tube the length direction with crystallizer is vertical all the time.
Comprise upper and lower 2 cover swing arm systems in the present embodiment, every cover swing arm system comprises swing arm, the front end of swing arm passes through fixedly, and cutting ferrule 29 is connected with material blanking tube, the rear end of swing arm and swing arm slide block Joint, the swing arm slide block links to each other with the swing arm leading screw, by transmission between the gear pair 37 that is formed by identical gear, wherein consist of transmission between a rhizoid thick stick and the swing arm driving motor 17 between two swing arm leading screws.Lower support arm 23 supports lower swing arms 24 transverse shiftings by lower swing arm roller 26, and upper support arm 25 supports top links 28 transverse shiftings by top link roller 27, and top link is done rightabout with lower swing arm and moved.
Because top link leading screw 39 and lower swing arm leading screw 38 are arranged in the same plane and arrange, top link slide block 42 and lower swing arm slide block 44 are contour, top link and lower swing arm are not contour, therefore the top link 28 that is attached thereto, lower swing arm 24 edge track cross transverse shiftings separately, and pumping arm action 28, the design of lower swing arm 24 front ends " V " type structure is so that top link 28, lower swing arm 24 only drives respectively left conveying pipeline 9, right conveying pipeline 45 swings, its load is little, it is little to rub, driving power is low, only be 0.75KW, and in the former technology, take the Chinese patent of the patent No. as 200820187959 as typical application examples, then be except dolly together with the build bin integrated moving, it is very large to load, friction is large, and driving power is greater than 3KW.
Before the utility model, it is highly too high when reinforced toward build bin for operating personnel, take the Chinese patent of the patent No. as 200820187959 as typical application examples, time-consuming, effort, and the utility model draws left and right conveying pipeline, deflection owing to adopted horizontal upper and lower swing arm leading screw to drive upper and lower swing arm, therefore, can in very little height space, arrange driving mechanism, thereby reduced the height of build bin, in the situation that does not reduce the build bin volume, reduce reinforced difficulty, realize human oriented design, reduced labor strength, strengthened security.
Hold the material system and comprise build bin 12, the top of build bin also is provided with reinforced screen cloth 43, and the build bin bottom is provided with discharging opening 41, and discharging opening links to each other with the top port of the rotary connector 14 that conveying system is installed, the rear side of rotary connector links to each other with conveying motor 15, and the front side links to each other with conveying pipeline 9.
Outside at build bin also is provided with alarm 11, in the inboard of build bin, two taper charging aperture upper ends level sensor 10 is housed respectively.The build bin bottom is designed with discharge valve 22, and the bottom of discharge valve 22 arranges discharge port 20, and covering slag passes the chassis 40 of trolley body by discharge valve 22, discharge port 20, arrives the case 21 that connects material that trolley body 19 bottoms are provided with.Its effect is all directly to fall in the case 21 that connects material that is placed on the dolly bottom by opening of this gate valve from discharge port 20 slag charge of build bin 12 interior remnants, all be that the slag charge of remnants is still discharged from blanking port 2 by auger in the past at the utility model, take the Chinese patent of the patent No. as 200820187959 as typical application examples, cause the very large waste of slag charge and time.Described trolley body 19 both sides are provided with lift adjustment nut 18, can be according to conticaster crystallizer Height Adjustment slag adding machine material blanking tube height.
The lower end of blanking port is provided with deflector 30, and deflector is provided with splitter box 31, and deflector can be changed according to mould wall thickness.Adopting deflector structure without any a kind of slag adding machine before the utility model, only is to grow mouth to have certain angle or set out barrel with conveying pipeline, and the Chinese patent take the patent No. as CN201020288291.6 is example.And the utility model has adopted deflector 30 below blanking port 2, so that drop on first on the deflector 30 from blanking port 2 fallen slag charges, through covering uniformly in the crystallizer behind splitter box 31 and the camber zone, this design more can be covered the dead band at the mouth of a river 36, the material of deflector 30 is the heatproof nonmetal material, can prevent from disturbing with the equipment that detects liquid level.
Be respectively equipped with tubular heater 8 at conveying pipeline, the tubular heater cephalad direction on conveying pipeline is provided with steam vent.Steam can be discharged rapidly by the steam vent 7 that arranges on the left conveying pipeline in the slag charge, can get rid of moisture, improves billet quality.Before the utility model, in conveying process kind slag charge not to be heated, majority is to establish in addition a cover slag charge heater beyond slag adding machine, with the slag charge slag adding machine of packing into after the heating, setting in the external heating of build bin and insulation is also arranged, power 10KW, consume excessive heat, take the Chinese patent of the patent No. as 200820187959 as typical application examples, this dual mode all must be equipped with agitating device to guarantee the even of slag charge Temperature Distribution, not only strengthens the heat radiation to slag adding machine itself, and makes equipment be in the hot operation state, accelerate the wearing and tearing of slag adding machine transfer member, and the utility model is the middle part that tubular heater 8 is embedded into conveying system, as shown in the figure, transfer system is not had heat radiation, heat waste is very little, the thermal efficiency is high, and heating power is low, reduces the temperature difference of slag charge and molten steel, in the present embodiment, the thermal power on every tubular heater 8 can guarantee that the discharging opening temperature is 75-100 ℃ when being 1.5KW.
Trolley body comprises chassis 40, and the corner, chassis is provided with four lift adjustment nuts 18, can be according to conticaster crystallizer Height Adjustment slag adding machine material blanking tube height.This structure can with reference to ublic specification of application the 53rd paragragh of CN201110032085.8, repeat no more in this specification.
The utility model also claimed at described slab around strand formula automatic slag adding machine, can be according to conticaster draw steel Speed Setting control touch display screen 13.Touching form by hand on touch display screen 13 can carry out the working width setting, add quantity of slag setting, the setting of covering slag heating-up temperature etc.In the instruction of touch display screen 13 enterprising line operates, carry out by the control equipment that is installed in the switch board 16.
To set reinforced width according to width of steel billet in the past mostly at the utility model, artificial adjusting screw drives left and right sides nut, conveying pipeline and blanking port are set within the limits prescribed (take the Chinese patent of the patent No. as 200820187959 as typical application examples), and the utility model is to adopt PLC to set, and touch display screen one key operation is finished.Can be according to conticaster draw steel speed automatically to regulate covering slag by program to add the quantity of slag.
Operation principle of the present utility model is:
After slag charge is filled it up with build bin; detected the use amount of slag charge by level sensor; covering slag flow into the conveying pipeline from holding the material system; auger in the conveying pipeline is by the conveying motor-driven; so that slag charge is pushed ahead to conveying pipeline along spiral auger; and at conveying pipeline) in by its outside tubular heater slag charge is heated to 75～100 ℃; simultaneously; the pumping arm action system drives respectively the reciprocating motion that material blanking tube carries out level; do bending motion by elastic connecting pipe; telescoping tube is done the variation that axial stretching moves to be implemented on the conveying system length direction with respect to conveying pipeline and is carried out the swing of level to drive conveying pipeline; auger bends to change the conveying direction in elastic connecting pipe; covering slag 32 is dropped out by blanking port; left and right sides blanking port and crystallizer remain plumbness, reach falling in the crystallizer of slag charge 100%.
After covering slag is dropped out by blanking port, drop on first on the deflector 30, cover in the crystallizer uniformly through behind the splitter box.
Described automatic slag adding machine also includes the slag charge thickness transducer 34 that is installed on the crystallizer 35, and the motor speed that the slag charge thickness that detects according to the slag charge thickness transducer is regulated conveying system is controlled the delivery rate of covering slag.When the utility model manually added slag in the past, can only estimate that covering slag adds by range estimation or experience what, can't confirm accurate data; it is not enough to cause easily covering slag to add; do not reach need of production or covering slag and add too much, cause waste, increase the situation of production cost.Any slag adding machine before the utility model does not all arrange and detects molten steel 33 surface protection slag thickness functions; slag charge thickness transducer described in the utility model; be arranged on covering slag 32 tops that the crystallizer molten steel surface adds; can detect the covering slag thickness of interpolation; then with the signal feedback that detects to the conveying motor; the rotating speed that changes thus the conveying motor drives flexible auger increase or reduces and adds the quantity of slag, avoids the covering slag waste.
Although the above is described preferred embodiment of the present utility model by reference to the accompanying drawings; but the utility model is not limited to the above-mentioned specific embodiment; the above-mentioned specific embodiment only is schematic; be not restrictive; those of ordinary skill in the art is under enlightenment of the present utility model; not breaking away from the scope situation that the utility model aim and claim protect, can also make a lot of forms, these all belong within the protection domain of the present utility model.
Claims (8)
1. automatic slag adding machine, comprise trolley body, but the mode with horizontal hunting on the trolley body is equipped with conveying system, the close afterbody place of conveying system is equipped with the material system of holding, the conveying system head is material blanking tube, it is characterized in that: material blanking tube links to each other with the swing arm system, and material blanking tube is done rectilinear motion and all the time perpendicular to the length direction of material blanking tube along the length of mould direction.
2. automatic slag adding machine according to claim 1, it is characterized in that: described conveying system is linked to each other successively to head from its afterbody by conveying motor, conveying pipeline, telescoping tube, elastic connecting pipe, material blanking tube and consists of, wherein, also be provided with blanking port on the lower surface of material blanking tube;
Conveying system also comprises the flexible auger that afterbody links to each other with the conveying motor, and flexible auger passes conveying pipeline, telescoping tube, elastic connecting pipe and material blanking tube successively, and the head position of flexible auger is corresponding with the position of blanking port.
3. automatic slag adding machine according to claim 2, it is characterized in that: the described material system of holding comprises build bin, build bin bottom discharge mouth links to each other with the top port of the rotary connector that conveying system is installed, and the rear side of rotary connector links to each other with the conveying motor, and the front side links to each other with conveying pipeline.
4. automatic slag adding machine according to claim 2, it is characterized in that: described swing arm system comprises swing arm, and the front end of swing arm is connected with material blanking tube by fixing cutting ferrule, and the rear end of swing arm is connected with the swing arm slide block, the swing arm slide block links to each other with the swing arm leading screw, and the swing arm leading screw links to each other with the swing arm driving motor.
5. automatic slag adding machine according to claim 2, it is characterized in that: the lower end of described blanking port is provided with deflector, and deflector is provided with splitter box.
6. automatic slag adding machine according to claim 2, it is characterized in that: described conveying pipeline is provided with tubular heater, and the cephalad direction of tubular heater is provided with steam vent on conveying pipeline.
7. automatic slag adding machine according to claim 2, it is characterized in that: described trolley body includes the chassis, and the chassis is provided with the case that connects material, and the bottom that is used for being equipped with the rotary connector of conveying system is provided with discharge valve, and discharge valve links to each other with the case that connects material by discharge port.
8. an automatic slag adding machine comprises conveying system, and the conveying pipeline middle part of conveying system is provided with tubular heater, and the cephalad direction of tubular heater is provided with steam vent on conveying pipeline.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201220171794 CN202804122U (en) | 2012-04-20 | 2012-04-20 | Automatic slag adding machine |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201220171794 CN202804122U (en) | 2012-04-20 | 2012-04-20 | Automatic slag adding machine |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN202804122U true CN202804122U (en) | 2013-03-20 |
Family
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 201220171794 Withdrawn - After Issue CN202804122U (en) | 2012-04-20 | 2012-04-20 | Automatic slag adding machine |
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| Country | Link |
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| CN (1) | CN202804122U (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105328149A (en) * | 2015-10-29 | 2016-02-17 | 芜湖新兴铸管有限责任公司 | Automatic feeding device for casting powder |
| CN106552909A (en) * | 2015-09-28 | 2017-04-05 | 宝山钢铁股份有限公司 | For the robot coverture added automatically system and its method of continuous casting work |
| CN108025353A (en) * | 2015-09-28 | 2018-05-11 | 伊梅斯公司 | Flux supply arrangement and the optimized system of selection of flux |
-
2012
- 2012-04-20 CN CN 201220171794 patent/CN202804122U/en not_active Withdrawn - After Issue
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106552909A (en) * | 2015-09-28 | 2017-04-05 | 宝山钢铁股份有限公司 | For the robot coverture added automatically system and its method of continuous casting work |
| CN108025353A (en) * | 2015-09-28 | 2018-05-11 | 伊梅斯公司 | Flux supply arrangement and the optimized system of selection of flux |
| CN106552909B (en) * | 2015-09-28 | 2018-07-06 | 宝山钢铁股份有限公司 | For the robot coverture added automatically system and its method of continuous casting work |
| CN105328149A (en) * | 2015-10-29 | 2016-02-17 | 芜湖新兴铸管有限责任公司 | Automatic feeding device for casting powder |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| AV01 | Patent right actively abandoned |
Granted publication date: 20130320 Effective date of abandoning: 20131106 |
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| RGAV | Abandon patent right to avoid regrant |