CN204396848U - Hot-metal ladle transport vehicle carries automatically covering/uncovering attemperator - Google Patents
Hot-metal ladle transport vehicle carries automatically covering/uncovering attemperator Download PDFInfo
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- CN204396848U CN204396848U CN201420786602.XU CN201420786602U CN204396848U CN 204396848 U CN204396848 U CN 204396848U CN 201420786602 U CN201420786602 U CN 201420786602U CN 204396848 U CN204396848 U CN 204396848U
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Abstract
A kind of hot-metal ladle transport vehicle carries automatically covering/uncovering attemperator.Technical scheme is: on hot-metal ladle and carriage two ends, install a pair can the cover attemperator of automatic open close, and this device drives the large lid double leval jib supporting mechanism be connected with cover to move by hydraulic cylinder, electric cylinder or Electrohydraulic push rod, and cover is opened and closed.Cover corrosion resistant plate is made, liner flame-proof thermal insulation material, plays support, insulation and rainwater-proof effect.When hot-metal bottle connects molten iron, steel-making cage or pig machine cast iron at blast furnace, cover is opened; When hot-metal bottle transport or etc. to be transported time, cover close.Large cover is provided with can the tegillum of automatic switch, can open tegillum connect molten iron and to the sampling of hot-metal bottle thermometric, reduce heat scattering and disappearing by tank mouth, economize energy, reduces costs when large lid is closed.This device has two kinds of electric means: one is manually the socket that aviation plug inserts in tank car socket box is switched on power; Two is switched on power by wired or wireless remote manipulator operation electric mill road automatic circuit closing device.
Description
Technical field
The utility model is high temperature iron water pot transporting vehicle-mounted automatically covering/uncovering attemperator, relate to a kind of heat preservation technology of high temperature iron water pot transport in steel manufacture process, solve high temperature iron water pot tank mouth radiation loss problem in transportation, belong to Ferrous Metallurgy field of energy-saving technology.
Background technology
Known steel plant in process of production, blast-melted is the main raw material of STEELMAKING PRODUCTION, the impact of height on steel-making of molten iron temperature is very large, according to converter smelting process, the heat basic source of converter smelting is in the physical thermal of molten iron and chemical heat, when chemical heat is certain, the physical thermal of molten iron determines that can smelting key factor smoothly.Molten iron temperature is low causes blow loss large, and steel technology is high, steel quality without guarantee, degradation consequence under furnace life.Molten iron temperature is not only very important to process for making, also impact is had for hot metal transport, if the temperature of molten iron in course of conveying is too low, also can cause the crust of hot-metal ladle and carriage, dross, directly affect normal production operation (all there is discussion " energy supply for metallurgy " 03 phase in 2007 to " blast-melted insulation conveying "--" Hunan is metallurgical " 01 phase in 1997 and " analysis and inspection of temperature value about molten iron "--), suitable molten iron temperature is kept to be guarantee to make steel normal necessary condition of producing, its synthesis result reduces energy consumption exactly, cost-saving, therefore, temperature drop in hot metal transport process is metallargist's question of common concern.For many years, domestic and international many researchers once studied this problem, but did not all have good solution.
At present, Molten Iron Transportation mainly contains two kinds of modes, i.e. fish torpedo ladle accumulating mode and hot-metal bottle means of transportation.Fish torpedo ladle accumulating mode high insulating effect, but cost is high, and volume is large, and operating cost is high, is generally only applicable to Large Scale BF and produces; The Molten Iron Transportation of most medium and small blast furnace then adopts cost low, and volume is little, the hot-metal bottle that operating cost is relatively low.Due to hot-metal bottle be suitable for reading we open, therefore area of dissipation is large, heat insulation effect is poor, the serious heat loss of canful and slack tank in transportation, according to Guan Zongshan " blast-melted insulation conveying--the approach of raising hot metal in steelmaking temperature " (Anshan iron and steel plant technology the 7th phase in 1988 total 157th phase), hot-metal bottle radiation loss measured value data is introduced, hot-metal bottle heat radiation mainly three kinds of modes: one is that hot-metal bottle tank mouth surface heat radiating loss accounts for 53.1%, two is that hot-metal bottle tank body accumulation of heat loss accounts for 32.3%, and three is that the loss of hot-metal bottle outer surface heat accounts for 14.6%.Actual measurement proves, when filling molten iron in tank, the heat loss of tank mouth accounts for more than 53% of whole heat loss, next is because hot-metal bottle temperature is low, tank skin and a large amount of heat loss absorbing molten iron heat and cause of tank lining, it accounts for Total heat loss's 1/3rd, and the heat radiation of tank mouth and tank body accumulation of heat loss (adding up to heat loss to account for 85.44%) are the topmost radiating modes of hot-metal bottle.Prevent hot-metal bottle tank mouth from dispelling the heat and have two kinds of methods: one is be incubated at the hot-metal bottle insulation material that adds suitable for reading, but be difficult to promote because the conditions such as cost is high, dust pollution is large limit, up to the present only have minority steel plant in use; Two is add insulation cover above hot-metal bottle tank mouth, and cost is low, reliability and durability, be easy to operation, but up to the present also do not have ripe technology application precedent.And most steel plant do not take any measure preventing tank mouth from dispelling the heat in high temperature iron water pot transportation, cause huge thermal loss.
Summary of the invention
Cause huge thermal loss problem to reduce the tank mouth heat radiation in high temperature iron water pot transportation of current steel plant, the utility model provides a kind of automatically covering/uncovering attemperator preventing tank mouth from dispelling the heat.The utility model solves the technical scheme that its technical problem adopts: often saving the cover device preventing tank mouth from dispelling the heat that on hot-metal ladle transport vehicle two ends, installation can open and close automatically for a pair, when hot-metal bottle connects molten iron at blast furnace, cover is opened; When hot-metal ladle and carriage is when transporting, cover is closed; When hot-metal bottle enters steel-making factory building driving cage or enters pig machine cast iron, cover is opened; When hot-metal bottle is at turned letter molten iron, when slack tank falls into the to be transported or transport such as hot-metal ladle and carriage, cover is closed.Make with flame-proof thermal insulation material inside cover, not only heat-resisting but also be incubated; Not only outside is made with corrosion resistant plate, plays a supportive role but also play rainwater-proof effect.Cover has a circle cover rim when closing, and cover and cover rim and tank mouth have certain distance, even if also can not touch during the slagging scorification of tank mouth, can open and close easily.By using the electric mill road engaging means automatically connected or providing electric power by using aviation plug manually to dial to be inserted as cover driving mechanism.The utility model adopts large lid double leval jib supporting mechanism to support cover, lift in height when cover is opened and closed above tank mouth is little, leave tank mouth open completely after total length be less than tank car length, be convenient to connect molten iron under the small furnace stove of molten iron stem bar and iron flask tank mouth narrow space and operate.Cover sets up tegillum, drives tegillum to open and close by hydraulic cylinder, electric cylinder or Electrohydraulic push rod, can sample by thermometric from hot-metal bottle when tegillum is opened, also can connect molten iron when hot-metal bottle accurate positioning, prevent dust from overflowing in a large number and thermal loss.
The beneficial effects of the utility model are: from the radiation loss problem of tank mouth when 1, solving high temperature iron water pot canful and slack tank, decrease the temperature drop of molten iron.2, eliminate hot-metal bottle slag encrustation phenomena, reduce molten iron loss, the hot metal charging of convenient thermometric sampling and steel-making from hot-metal bottle.3, improve the resistance to material life-span of steelmaking converter furnace lining and hot-metal bottle, reduce refractory consumption.
Accompanying drawing explanation
Below in conjunction with accompanying drawing and example, the utility model is further illustrated.
Fig. 1 is large lid closed condition front view, when canful and slack tank hot-metal bottle transport and etc. to be transported time, cover is closed; Fig. 2 is large lid open mode front view, and when hot-metal bottle connects molten iron at blast furnace and enters steel-making factory building driving cage when hot-metal bottle or enter pig machine cast iron, cover is opened; In Fig. 1 and Fig. 2: 1 tegillum, 2 tegillum oil cylinders, 3 cover greatly, large cover connecting rod one, 6 oil cylinder connecting rod of 4 large lid oil cylinder one, 5, the large cover connecting rod three of 7 large lid oil cylinder two, 8 large cover connecting rod two, 9,10 large cover connecting rod bearings, 11 oil cylinder connecting rod bearings, 12 electric mill roads, 13 aviation sockets, 14 electric mill road engaging means, 15 electric mill frame hoist cylinders, 16 supports, 17 hot-metal bottles, 18 hot-metal ladle and carriages; Fig. 3 is large lid closed condition top view; Fig. 4 is that electric mill road automatic circuit closing device switches on power side view of the state, by using electric mill road automatic circuit closing device or providing electric power by using aviation plug manually to dial grafting energize for cover driving mechanism; Fig. 5 is electric mill road automatic circuit closing device deenergization side view of the state, and electric mill road automatic circuit closing device, after complete operation cover opening and closing work deenergization is packed up, just can carry out other operations such as cage and transport; Fig. 6 is the tegillum open mode front view when large lid is closed, and can sample by thermometric, also can connect molten iron when hot-metal bottle accurate positioning, prevent dust from overflowing in a large number and thermal loss when tegillum is opened from hot-metal bottle; Fig. 7 is that electric mill road automatic circuit closing device switches on power state diagram; Fig. 8 is the automatic circuit closing device deenergization state diagram of electric mill road.
Detailed description of the invention
The device that the utility model is installed on tank truck frame two ends by a pair symmetry forms, every end device is manually dialled plug device five part formed, as Fig. 1 by great Gai, large lid double leval jib supporting mechanism, large lid driving mechanism for opening or closing, electric mill road automatic circuit closing device and aviation plug.Large lid is made up of tegillum 1, tegillum oil cylinder and large lid 3, the outside corrosion resistant plate of tegillum 1 and large lid 3 is made, inner side flame-proof thermal insulation material is made, play insulation effect, tegillum hydraulic oil cylinder driving tegillum opens and closes, convenient thermometric sampling from hot-metal bottle, and connect molten iron when hot-metal bottle accurate positioning, prevent dust from overflowing in a large number and thermal loss, large lid double leval jib supporting mechanism is by large cover connecting rod 1, large cover connecting rod 28, large cover connecting rod 39 and large cover connecting rod bearing 10 form, one end bolted on connection of large lid 3 and large cover connecting rod 1, maintenance can be unloaded when large lid 3 damages, one end and the large cover connecting rod 1 of large cover connecting rod 28 and large cover connecting rod 39 are hinged, the other end and the hinged composition double leval jib of large cover connecting rod bearing 10, support large lid 3 to open and close, large cover connecting rod bearing 10 is welded on tank truck frame, two covers large lid double leval jib supporting mechanism often held by vehicle frame, symmetry is installed on the both sides of tank truck frame, as Fig. 3, Fig. 4 and Fig. 5, driving mechanism is by large lid oil cylinder 1, large lid oil cylinder 27, oil cylinder connecting rod 6 and oil cylinder connecting rod bearing 11 form, one end of large lid oil cylinder 1 is with to cover greatly 3 hinged, the other end and large lid oil cylinder 27 and oil cylinder connecting rod 6 hinged, the other end of large lid oil cylinder 27 and the other end of oil cylinder connecting rod 6 are hinged with the oil cylinder connecting rod bearing 11 be welded on vehicle frame, the stretching motion of large lid oil cylinder 1 and large lid oil cylinder 27, large lid 3 and large lid double leval jib supporting mechanism is driven to open and close, realize uncovery action, the driving mechanism that vehicle frame is often held is a set of altogether, be installed in the middle of vehicle frame one end, as Fig. 3, Fig. 4 and Fig. 5, electric mill road automatic circuit closing device is by electric mill road 12, electric mill road engaging means 14, oil cylinder 15, support 16 and wired or wireless remote manipulator composition, as Fig. 5, Fig. 6, Fig. 7 and Fig. 8, totally four groups, electric mill road 12, symmetry is arranged on the table top of both sides, vehicle frame two ends, facilitate tank car when reversing end for end with the connecting of electric mill road engaging means 14, as Fig. 3, often group is made up of three 8# channel-section steels, channel-section steel is arranged on bearing, channel-section steel and bearing insulator insulate, bearing is welded on tank truck frame table top, electric mill road engaging means 14 totally one group, by electric mill block, insulator, wire, supporting traverse and counterweight composition, with electric mill block and insulator for one end, be that the other end is arranged on the two ends of supporting traverse respectively with counterweight, the weight that weight and the electric mill block of counterweight add insulator and supporting traverse is substantially equal, support 16 top (as Fig. 7) is hinged near one end of electric mill road engaging means 14 center of gravity, its lifting of power drive is provided to switch on and off power supply by the oil cylinder 15 be arranged on support 16, electric power is provided for covering greatly 3 opening and closings, electric mill road engaging means 14 are arranged on the blast furnace discharge yard needing the large lid 3 of open and close, molten iron sampling point for measuring temperature and railway line side, hot metal in steelmaking cage district, the installation quantity in each place is at least a set of, quantity is the same with tank car quantity, if tank car quantity is more than two, then also can switch on power with cable automatic joint between tank car and tank car, use the electric mill road engaging means automatically connected, operating personnel are by wired or wireless operator, the cover operating rapidly and efficiently and safely and reliably more piece tank car at the operation field away from High Temperature opens and closes, aviation plug is manually dialled plug device and is made up of aviation socket case 13 and aviation plug, aviation socket case 13 installs four altogether often saving both sides, hot-metal bottle vehicle frame two ends, as Fig. 6, be made up of aviation socket and guard box, aviation socket and aviation plug selection standard part, use when being out of order in the region and electric mill road automatic circuit closing device that do not have installation electric mill road, position automatic circuit closing device.The utility model is lightweight, is applicable to open and close operation with more piece tank car under the Large Scale BF of hot-metal bottle transport and the small furnace stove of narrow space simultaneously.
In the utility model Fig. 1 and Fig. 2, two kinds of duty: the Fig. 1 having drawn hot-metal ladle and carriage insulation cover are large lid closed conditions, and Fig. 2 is large lid open mode.When hot-metal ladle and carriage be in connect molten iron position or with traveling crane hot-metal bottle position time, (as Fig. 4) is switched on power by wired or wireless remote manipulator operation electric mill road automatic circuit closing device, or manually the socket that aviation plug inserts in tank car socket box is switched on power, at this moment wired or wireless remote manipulator just can be used to operate large lid oil cylinder one and large lid opened by large lid oil cylinder two, make large lid be in open mode (as Fig. 2); When hot-metal bottle connect molten iron complete or complete with traveling crane hot-metal bottle time, large lid oil cylinder one is operated and large lid closed by large lid oil cylinder two by wired or wireless remote manipulator, large lid is in closed condition (as Fig. 1), prevents the thermal loss of high temperature liquid iron ullage tank and canful.After large lid shutoff operation, pack up electric mill road automatic circuit closing device (as Fig. 5) or manually transfer to aviation plug, allowing power supply leave hot-metal ladle and carriage, at this moment hot-metal ladle and carriage just can transport safely.Sequence number 1 tegillum in the utility model (Fig. 1), is used to from hot-metal bottle thermometric sampling or hot-metal bottle and connects molten iron when accurate location, at this moment need only open tegillum 1 and need not open large lid 3.When from hot-metal bottle, thermometric sampling or hot-metal bottle connect molten iron in accurate location to needs, driven by tegillum oil cylinder, electric cylinder or Electrohydraulic push rod 2 under the state can closed at large lid 3 and open tegillum 1 (as Fig. 6), end of operation then closes tegillum 1, thus prevent dust overflow in a large number and heat lose in a large number.Electric mill road automatic circuit closing device and aviation plug manually switch on power Plant arrangement in ironmaking cast house, steel-making Dui Tie cage district and molten iron thermometric sample house railway line, can arrange according to the tank car quantity resting on operative position and organize number accordingly, accomplish the operation simultaneously of several tank car, save the activity duration.Use electric mill road automatic circuit closing device to operate away from operation field by wired or wireless operator, manually switch on and off supply unit more rapidly and efficiently with safe and reliable than use aviation plug.
Claims (4)
1. hot-metal ladle transport vehicle carries an automatically covering/uncovering attemperator, and often saving the cover device preventing tank mouth from dispelling the heat that on hot-metal ladle transport vehicle two ends, installation can open and close automatically for a pair, when hot-metal bottle connects molten iron at blast furnace, cover is opened, when hot-metal ladle and carriage is when transporting, cover is closed, when hot-metal bottle enters steel-making factory building driving cage or enters pig machine cast iron, cover is opened, when hot-metal bottle is at turned letter molten iron, when slack tank falls into the to be transported or transport such as hot-metal ladle and carriage, cover is closed, it is characterized in that: cover device is by covering greatly, large lid double leval jib supporting mechanism, large lid driving mechanism for opening or closing, electric mill road automatic circuit closing device and aviation plug manually dial plug device five part composition, when hot-metal bottle needs to open and close attemperator, switched on power by wired or wireless remote manipulator operation electric mill road automatic circuit closing device, drive hydraulic cylinder, electric cylinder or Electrohydraulic push rod drive the large lid double leval jib supporting mechanism be connected with cover to move, cover is opened and closed.
2. hot-metal ladle transport vehicle according to claim 1 carries automatically covering/uncovering attemperator, it is characterized in that: large lid double leval jib supporting mechanism is by large cover connecting rod one (5), large cover connecting rod two (8), large cover connecting rod three (9) and large cover connecting rod bearing (10) composition, one end bolted on connection of large lid (3) and large cover connecting rod one (5), maintenance can be unloaded when great Gai (3) damages, one end and the large cover connecting rod one (5) of large cover connecting rod two (8) and large cover connecting rod three (9) are hinged, the other end and the hinged composition double leval jib of large cover connecting rod bearing (10), support large lid (3) to open and close, large cover connecting rod bearing (10) is welded on tank truck frame, two covers large lid double leval jib supporting mechanism often held by vehicle frame, symmetry is installed on the both sides of tank truck frame.
3. hot-metal ladle transport vehicle according to claim 1 carries automatically covering/uncovering attemperator, it is characterized in that: large lid (3) sets up tegillum (1) and tegillum oil cylinder (2), tegillum (1) is driven by tegillum oil cylinder, electric cylinder or Electrohydraulic push rod (2) and opens and closes.
4. hot-metal ladle transport vehicle according to claim 1 carries automatically covering/uncovering attemperator, it is characterized in that: electric mill road automatic circuit closing device is made up of electric mill road (12), electric mill road engaging means (14), oil cylinder (15), support (16) and wired or wireless remote manipulator, totally four groups, electric mill road (12), symmetry is arranged on the both sides table top at vehicle frame two ends, often group is made up of three 8# channel-section steels, channel-section steel is arranged on bearing, channel-section steel and bearing insulator insulate, and bearing is welded on tank truck frame table top; Electric mill road engaging means (14) is arranged on the blast furnace discharge yard, the molten iron sampling point for measuring temperature and railway line side, hot metal in steelmaking cage district that need the large lid of open and close (3).
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| CN105090420A (en) * | 2015-09-08 | 2015-11-25 | 东南大学 | Safe and reliable two-section type covering and uncovering device for ladle |
| CN105195720A (en) * | 2015-09-24 | 2015-12-30 | 南通市煌埔机械制造有限公司 | Automatic whole-process cover adding and taking device for train ladle |
| CN105195721A (en) * | 2015-09-30 | 2015-12-30 | 东南大学 | Safe vehicle-mounted ladle |
| CN106378444A (en) * | 2016-11-17 | 2017-02-08 | 中冶华天工程技术有限公司 | Thermal insulation method and device for molten iron |
| CN106410734A (en) * | 2016-11-04 | 2017-02-15 | 马鞍山市双益机械制造有限公司 | Mobile foundry ladle covering and uncovering equipment power supply system |
| CN107716909A (en) * | 2017-11-24 | 2018-02-23 | 项刚 | Ladle and production line |
| CN108436070A (en) * | 2018-01-25 | 2018-08-24 | 武汉科技大学 | A kind of ladle covering/uncovering device on hot-metal ladle and carriage |
| CN108469780A (en) * | 2018-01-25 | 2018-08-31 | 武汉科技大学 | A kind of molten iron cover covering/uncovering device control method based on wireless telecommunications |
| CN108746576A (en) * | 2018-08-27 | 2018-11-06 | 无锡市力成液压机械有限公司 | Molten iron bassinet structure |
| CN108749698A (en) * | 2018-07-05 | 2018-11-06 | 上海宝冶建设工业炉工程技术有限公司 | Hot-metal bottle is capped transportation system |
| CN108856690A (en) * | 2018-08-15 | 2018-11-23 | 湖南华菱湘潭钢铁有限公司 | Hot-metal bottle insulation cover six-bar linkage manipulation device |
| CN109625673A (en) * | 2018-12-29 | 2019-04-16 | 瑞安市阀门厂 | A kind of coke tank automatic capping device |
| CN110238374A (en) * | 2019-06-26 | 2019-09-17 | 无锡市力成液压机械有限公司 | It is a kind of arbitrarily to connect electric iron packet covering/uncovering device control method and system by hot-metal car |
| CN110756791A (en) * | 2019-10-30 | 2020-02-07 | 首钢水城钢铁（集团）有限责任公司 | Hot metal bottle flip driving full-automatic control system |
| CN110788312A (en) * | 2019-10-30 | 2020-02-14 | 首钢水城钢铁（集团）有限责任公司 | Molten iron tank cover |
| CN115488326A (en) * | 2022-09-23 | 2022-12-20 | 秦皇岛昌德冶金科技有限公司 | Automatic opening and closing device for locomotive power molten iron tank cover |
| CN115722660A (en) * | 2023-01-12 | 2023-03-03 | 秦皇岛泰科科技开发有限公司 | Fixed-point ramp driving type hot-metal bottle capping and uncapping device and method |
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| CN105090420A (en) * | 2015-09-08 | 2015-11-25 | 东南大学 | Safe and reliable two-section type covering and uncovering device for ladle |
| CN105195720A (en) * | 2015-09-24 | 2015-12-30 | 南通市煌埔机械制造有限公司 | Automatic whole-process cover adding and taking device for train ladle |
| CN105195721A (en) * | 2015-09-30 | 2015-12-30 | 东南大学 | Safe vehicle-mounted ladle |
| CN106410734A (en) * | 2016-11-04 | 2017-02-15 | 马鞍山市双益机械制造有限公司 | Mobile foundry ladle covering and uncovering equipment power supply system |
| CN106410734B (en) * | 2016-11-04 | 2017-12-22 | 马鞍山市双益机械制造有限公司 | A kind of portable iron bag uncovery equipment electric power system |
| CN106378444A (en) * | 2016-11-17 | 2017-02-08 | 中冶华天工程技术有限公司 | Thermal insulation method and device for molten iron |
| CN107716909A (en) * | 2017-11-24 | 2018-02-23 | 项刚 | Ladle and production line |
| CN108469780B (en) * | 2018-01-25 | 2019-10-01 | 武汉科技大学 | A kind of molten iron cover covering/uncovering device control method based on wireless telecommunications |
| CN108436070B (en) * | 2018-01-25 | 2019-10-01 | 武汉科技大学 | A kind of ladle covering/uncovering device being mounted on hot-metal ladle and carriage |
| CN108436070A (en) * | 2018-01-25 | 2018-08-24 | 武汉科技大学 | A kind of ladle covering/uncovering device on hot-metal ladle and carriage |
| CN108469780A (en) * | 2018-01-25 | 2018-08-31 | 武汉科技大学 | A kind of molten iron cover covering/uncovering device control method based on wireless telecommunications |
| CN108749698A (en) * | 2018-07-05 | 2018-11-06 | 上海宝冶建设工业炉工程技术有限公司 | Hot-metal bottle is capped transportation system |
| CN108856690A (en) * | 2018-08-15 | 2018-11-23 | 湖南华菱湘潭钢铁有限公司 | Hot-metal bottle insulation cover six-bar linkage manipulation device |
| CN108856690B (en) * | 2018-08-15 | 2024-03-15 | 湖南华菱湘潭钢铁有限公司 | Six-connecting-rod operating device for hot-metal bottle heat-insulating cover |
| CN108746576A (en) * | 2018-08-27 | 2018-11-06 | 无锡市力成液压机械有限公司 | Molten iron bassinet structure |
| CN109625673A (en) * | 2018-12-29 | 2019-04-16 | 瑞安市阀门厂 | A kind of coke tank automatic capping device |
| CN110238374A (en) * | 2019-06-26 | 2019-09-17 | 无锡市力成液压机械有限公司 | It is a kind of arbitrarily to connect electric iron packet covering/uncovering device control method and system by hot-metal car |
| CN110238374B (en) * | 2019-06-26 | 2021-06-18 | 无锡市力成液压机械有限公司 | Control method and system for iron ladle covering and uncovering device capable of achieving arbitrary hot metal car power connection |
| CN110756791A (en) * | 2019-10-30 | 2020-02-07 | 首钢水城钢铁（集团）有限责任公司 | Hot metal bottle flip driving full-automatic control system |
| CN110788312A (en) * | 2019-10-30 | 2020-02-14 | 首钢水城钢铁（集团）有限责任公司 | Molten iron tank cover |
| CN115488326A (en) * | 2022-09-23 | 2022-12-20 | 秦皇岛昌德冶金科技有限公司 | Automatic opening and closing device for locomotive power molten iron tank cover |
| CN115722660A (en) * | 2023-01-12 | 2023-03-03 | 秦皇岛泰科科技开发有限公司 | Fixed-point ramp driving type hot-metal bottle capping and uncapping device and method |
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