CN106378444A - Thermal insulation method and device for molten iron - Google Patents
Thermal insulation method and device for molten iron Download PDFInfo
- Publication number
- CN106378444A CN106378444A CN201611010195.3A CN201611010195A CN106378444A CN 106378444 A CN106378444 A CN 106378444A CN 201611010195 A CN201611010195 A CN 201611010195A CN 106378444 A CN106378444 A CN 106378444A
- Authority
- CN
- China
- Prior art keywords
- hot
- metal bottle
- molten iron
- insulation cover
- metal
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Pending
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Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B22—CASTING; POWDER METALLURGY
- B22D—CASTING OF METALS; CASTING OF OTHER SUBSTANCES BY THE SAME PROCESSES OR DEVICES
- B22D41/00—Casting melt-holding vessels, e.g. ladles, tundishes, cups or the like
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B22—CASTING; POWDER METALLURGY
- B22D—CASTING OF METALS; CASTING OF OTHER SUBSTANCES BY THE SAME PROCESSES OR DEVICES
- B22D41/00—Casting melt-holding vessels, e.g. ladles, tundishes, cups or the like
- B22D41/005—Casting melt-holding vessels, e.g. ladles, tundishes, cups or the like with heating or cooling means
- B22D41/01—Heating means
- B22D41/015—Heating means with external heating, i.e. the heat source not being a part of the ladle
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B22—CASTING; POWDER METALLURGY
- B22D—CASTING OF METALS; CASTING OF OTHER SUBSTANCES BY THE SAME PROCESSES OR DEVICES
- B22D41/00—Casting melt-holding vessels, e.g. ladles, tundishes, cups or the like
- B22D41/12—Travelling ladles or similar containers; Cars for ladles
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- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Refinement Of Pig-Iron, Manufacture Of Cast Iron, And Steel Manufacture Other Than In Revolving Furnaces (AREA)
Abstract
The invention discloses a thermal insulation method and device for molten iron. The method disclosed by the invention is used for insulating by covering a molten iron ladle filled with molten iron and heating by roasting an empty molten iron ladle to be filled with molten iron, so that the aim of reducing the steelmaking energy consumption is achieved. The device disclosed by the invention comprises a molten iron ladle transport cart, a transport cart traveling orbit, the molten iron ladle, a bridge crane, a thermal insulation cover lifting tool, a molten iron ladle thermal insulation cover, a semi-elevated gantry crane, a gantry crane traveling orbit, a casting crane and an offline roaster. By using the thermal insulation method and device, the molten iron in a transportation process can be subjected to thermal insulation, so that the steelmaking energy consumption, the production cost and the environment pollution can be reduced.
Description
Technical field
The invention belongs to the heat preserving method of metallurgical technology field, more particularly, to molten iron and device.
Background technology
In the last few years, in iron and steel enterprise newly-built at home, Molten Iron Transportation mode presents diversified development trend, its
In praised highly the most with the appearance of " a tank system " and development, blast furnace hot-metal bottle and pneumatic steelmaking hot-metal bottle are unified by " a tank system ", adopt
With hot-metal ladle and carriage, molten iron is passed through orbit transports to steelshop from blast furnace discharge yard." a tank system " molten iron direct-furnish technique will be smelted iron
Effectively it is connected with steel-making, decrease the molten iron loss that the cooling of molten iron and tank switching cause, also reduce environmental pollution simultaneously, and
And one-time investment and longtime running cost relatively low.Even so, because hot-metal bottle is partially long in the ironmaking cast house stand-by period, leading
Cause molten iron cooling very fast, equally exist the cooling of molten iron during being transported to steelshop, in addition molten iron unsnatched by hot-metal bottle
Afterwards, slack tank wait to be transported during there is also the cooling of tank body, can indirectly lead to the reduction of molten iron temperature.
Above-mentioned situation all can increase the consumption of the energy, increases production cost, affects environmental protection.
Content of the invention
In order to solve above-mentioned problem, the present invention provides a kind of hot-metal insulating method and device, the method and device
Molten iron can be incubated, reduce steel-making energy consumption, save production cost, reduce environmental pollution.
To achieve these goals, it is that insulation is added a cover to the hot-metal bottle filling molten iron as the method for the present invention, to be installed
The empty hot-metal bottle baking of molten iron heats up, and reaches the purpose reducing steel-making energy resource consumption.
The method comprising the steps of：
The hot-metal bottle filling with molten iron is delivered to Capping stations, covers insulation cover to the hot-metal bottle filling with molten iron；
Hot-metal bottle after adding a cover is delivered to steel-making station；
Open the insulation cover on hot-metal bottle, the molten iron toppled in hot-metal bottle carries out steelmaking operations；
Cover insulation cover to slack tank and be delivered to baking station baking, baking temperature is 800 to 1100 degrees Celsius；
Empty hot-metal bottle through overbaking is unloaded and after insulation cover, is delivered to ironmaking station；
The insulation cover unloading is delivered to Capping stations.
As assembly of the invention, including：
Hot-metal ladle transport vehicle, transport vehicle walking track, hot-metal bottle, bridge crane, insulation cover suspender, hot-metal bottle insulation cover, half overhead door
Hang, gantry crane running track, casting crane, off-line baking device.
The top of described hot-metal bottle insulation cover is provided with hangs handle, and the bottom of described hot-metal bottle insulation cover is provided with heat-insulation layer.
Described insulation cover suspender includes suspension ring, the lower connecting frame of suspension ring, and framework disposes motor, and the rotating shaft of motor is even
Connect the two ends connecting shackle of cross bar, cross bar.
The described suspension ring of insulation cover suspender are connected with the suspension hook of bridge crane.
The suspension ring of described insulation cover tool are connected with the suspension hook of half overhead gantry crane.
Coal gas used by described off-line baking device is coal gas of converter or coke-stove gas.
During work, the hot-metal bottle filling molten iron is delivered to Capping stations by transport vehicle walking track by iron flask transport vehicle,
The insulation cover suspender being connected on bridge crane suspension hook hot-metal bottle insulation cover of slinging covers the tank mouth of hot-metal bottle, and hot-metal ladle transport vehicle continues
Run to steelshop, half overhead gantry crane unloads hot-metal bottle insulation cover by insulation cover suspender, casting crane hot-metal bottle of slinging inclines
Molten iron-steelmaking, slack tank returns hot-metal ladle transport vehicle, and hot-metal bottle insulation cover is again covered by half overhead gantry crane by insulation cover suspender
On hot-metal bottle, hot-metal ladle transport vehicle carries slack tank and returns, and when row is to baking station, bridge crane will be passed through by insulation cover suspender
Slack tank after the baking of off-line baking device is heated is exchanged with the slack tank on iron flask transport vehicle, and hot-metal ladle transport vehicle carries after baking heats
Hot-metal bottle go cast house load molten iron, go Capping stations to add a cover after installing molten iron again, move in circles.
The present invention can be incubated to the molten iron in course of conveying, reduces steel-making energy consumption, saves production cost, reduces ring
Border is polluted.
Brief description
Fig. 1 is attemperator horizontal layout schematic diagram of the present invention.
Fig. 2 is hot-metal bottle insulation cover schematic top plan view of the present invention.
Fig. 3 is hot-metal bottle insulation cover B-B cross-sectional schematic of the present invention.
Fig. 4 is that insulation cover suspender of the present invention is sling the schematic diagram of hot-metal bottle insulation cover.
Specific embodiment
The present invention is described in further detail below in conjunction with the accompanying drawings, be beneficial to those skilled in the art have clearer
Understanding.
Heat preserving method as the present invention is to add a cover insulation to the hot-metal bottle filling molten iron, the empty hot-metal bottle to molten iron to be installed
Baking heats up, and reaches the purpose reducing steel-making energy resource consumption.
The method comprising the steps of：
The hot-metal bottle filling with molten iron is delivered to Capping stations, covers insulation cover to the hot-metal bottle filling with molten iron；
Hot-metal bottle after adding a cover is delivered to steel-making station；
Open the insulation cover on hot-metal bottle, the molten iron toppled in hot-metal bottle carries out steelmaking operations；
Cover insulation cover to slack tank and be delivered to baking station baking, described slack tank baking temperature is 800 to 1100 degrees Celsius；
Empty hot-metal bottle through overbaking is unloaded and after insulation cover, is delivered to ironmaking station；
The insulation cover unloading is delivered to Capping stations.
As the preferred embodiment of the attemperator of the present invention, as shown in Figure 1, Figure 2, Figure 3 shows, including：
Hot-metal ladle transport vehicle 1, transport vehicle walking track 2, hot-metal bottle 3, bridge crane 4, insulation cover suspender, hot-metal bottle insulation cover 6, half height
Frame gantry crane 7, gantry crane running track 8, casting crane 9, off-line baking device 10.
The top of described hot-metal bottle insulation cover 6 is provided with hangs handle, and the bottom of described hot-metal bottle insulation cover is provided with heat-insulation layer.
Described insulation cover suspender includes suspension ring 5-1, the lower connecting frame 5-2 of suspension ring, and framework disposes motor 5-3, electricity
The rotating shaft of machine connects cross bar 5-4, the two ends connecting shackle 5-5 of cross bar.
The suspension ring 5-1 of described insulation cover suspender is connected with the suspension hook of bridge crane.
The suspension ring 5-1 of described insulation cover suspender is connected with the suspension hook of half overhead gantry crane.
Coal gas used by described off-line baking device 10 is coal gas of converter or coke-stove gas.
During work, the hot-metal bottle 3 filling molten iron is delivered to by transport vehicle walking track 2 and adds a cover work by iron flask transport vehicle 1
Position, the insulation cover suspender being connected on bridge crane suspension hook hot-metal bottle insulation cover 6 of slinging covers the tank mouth of hot-metal bottle 3, and hot-metal bottle transports
Car 1 proceeds to steelshop, and half overhead gantry crane 7 unloads hot-metal bottle insulation cover 6 by insulation cover suspender, and casting crane 9 hangs
Play hot-metal bottle 3 and topple over molten iron-steelmaking, slack tank returns hot-metal ladle transport vehicle 1, half overhead gantry crane 7 passes through insulation cover suspender by hot-metal bottle
Insulation cover 6 covers again on hot-metal bottle 3, and hot-metal ladle transport vehicle 1 carries slack tank and returns, and when row is to baking station, bridge crane 4 passes through
Slack tank after off-line baking device 10 baking is heated is exchanged by insulation cover suspender with the slack tank on iron flask transport vehicle 1, hot-metal bottle
Transport vehicle 1 carries the hot-metal bottle 3 after baking is heated and goes cast house to load molten iron, goes Capping stations to add a cover again, follow after installing molten iron
Ring is reciprocal.
The present invention can be incubated to the molten iron in course of conveying, reduces steel-making energy consumption, saves production cost, reduces ring
Border is polluted.
Claims (9)
1. a kind of hot-metal insulating method it is characterised in that：Methods described is to add a cover insulation to the hot-metal bottle filling molten iron, to be installed
The empty hot-metal bottle baking of molten iron heats up, and reaches the purpose reducing steel-making energy resource consumption.
2. according to claim 1 heat preserving method it is characterised in that the method comprising the steps of：
The hot-metal bottle filling with molten iron is delivered to Capping stations, covers insulation cover to the hot-metal bottle filling with molten iron；
Hot-metal bottle after adding a cover is delivered to steel-making station；
Open the insulation cover on hot-metal bottle, the molten iron toppled in hot-metal bottle carries out steelmaking operations；
Cover insulation cover to slack tank and be delivered to baking station baking；
Empty hot-metal bottle through overbaking is unloaded and after insulation cover, is delivered to ironmaking station；
The insulation cover unloading is delivered to Capping stations.
3. heat preserving method according to claim 1 or claim 2 it is characterised in that：Described slack tank baking temperature is Celsius for 800 to 1100
Degree.
4. a kind of hot-metal insulating device is it is characterised in that described device includes：Hot-metal ladle transport vehicle, transport vehicle walking track, iron
Water pot, bridge crane, hot-metal bottle suspender, hot-metal bottle insulation cover, half overhead gantry crane, gantry crane running track, casting crane, off-line baking
Device.
5. according to claim 4 attemperator it is characterised in that：The top of described hot-metal bottle insulation cover is provided with hangs handle, institute
The bottom stating hot-metal bottle insulation cover is provided with heat-insulation layer.
6. according to claim 4 attemperator it is characterised in that：Described hot-metal bottle suspender includes suspension ring, the bottom of suspension ring
Connection framework, framework disposes motor, and the rotating shaft of motor connects cross bar, the two ends connecting shackle of cross bar.
7. according to claim 4 or 6 attemperator it is characterised in that：The suspension ring of described hot-metal bottle suspender are hung with bridge crane
Hook connects.
8. according to claim 4 or 6 attemperator it is characterised in that：The suspension ring of described hot-metal bottle suspender and half overhead door
The suspension hook hanging connects.
9. according to claim 4 attemperator it is characterised in that:Coal gas used by described off-line baking device be coal gas of converter or
Coke-stove gas.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201611010195.3A CN106378444A (en) | 2016-11-17 | 2016-11-17 | Thermal insulation method and device for molten iron |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201611010195.3A CN106378444A (en) | 2016-11-17 | 2016-11-17 | Thermal insulation method and device for molten iron |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN106378444A true CN106378444A (en) | 2017-02-08 |
Family
ID=57958879
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201611010195.3A Pending CN106378444A (en) | 2016-11-17 | 2016-11-17 | Thermal insulation method and device for molten iron |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN106378444A (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107175325A (en) * | 2017-06-15 | 2017-09-19 | 中冶华天工程技术有限公司 | A kind of system and method using remaining steel line of return off-line baking hot-metal bottle |
| CN108788112A (en) * | 2018-06-25 | 2018-11-13 | 武汉钢铁有限公司 | A kind of the environment protecting thermal insulating lid and application method of disposable hot metal transport tank |
| CN116640898A (en) * | 2023-05-10 | 2023-08-25 | 韶关星田金属制品有限公司 | Molten iron heat preservation method of smelting equipment |
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| JP2009154192A (en) * | 2007-12-27 | 2009-07-16 | Ryobi Ltd | Molten metal supplying apparatus and molten metal supplying method |
| CN101486088A (en) * | 2009-03-09 | 2009-07-22 | 北京北科中钢工程技术有限公司 | Hot-metal bottle combined cover and method thereof for adding and lifting cover |
| CN103192066A (en) * | 2013-04-12 | 2013-07-10 | 北京首钢国际工程技术有限公司 | Online molten iron capping and heat-preservation method for molten iron transportation |
| CN103433474A (en) * | 2013-08-16 | 2013-12-11 | 北京首钢国际工程技术有限公司 | Two-way conveying system for blast furnace molten iron conveying process of conveying ladle to bottom without stopping |
| CN203380357U (en) * | 2013-08-09 | 2014-01-08 | 武汉威林科技股份有限公司 | Covering and uncovering device for high-temperature melt container |
| CN204396848U (en) * | 2014-12-15 | 2015-06-17 | 任康鑫 | Hot-metal ladle transport vehicle carries automatically covering/uncovering attemperator |
-
2016
- 2016-11-17 CN CN201611010195.3A patent/CN106378444A/en active Pending
Patent Citations (6)
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| JP2009154192A (en) * | 2007-12-27 | 2009-07-16 | Ryobi Ltd | Molten metal supplying apparatus and molten metal supplying method |
| CN101486088A (en) * | 2009-03-09 | 2009-07-22 | 北京北科中钢工程技术有限公司 | Hot-metal bottle combined cover and method thereof for adding and lifting cover |
| CN103192066A (en) * | 2013-04-12 | 2013-07-10 | 北京首钢国际工程技术有限公司 | Online molten iron capping and heat-preservation method for molten iron transportation |
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Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107175325A (en) * | 2017-06-15 | 2017-09-19 | 中冶华天工程技术有限公司 | A kind of system and method using remaining steel line of return off-line baking hot-metal bottle |
| CN107175325B (en) * | 2017-06-15 | 2023-07-18 | 中冶华天工程技术有限公司 | System and method for off-line baking of hot-metal ladle by utilizing residual steel return line |
| CN108788112A (en) * | 2018-06-25 | 2018-11-13 | 武汉钢铁有限公司 | A kind of the environment protecting thermal insulating lid and application method of disposable hot metal transport tank |
| CN116640898A (en) * | 2023-05-10 | 2023-08-25 | 韶关星田金属制品有限公司 | Molten iron heat preservation method of smelting equipment |
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| C06 | Publication | ||
| PB01 | Publication | ||
| C10 | Entry into substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| RJ01 | Rejection of invention patent application after publication | ||
| RJ01 | Rejection of invention patent application after publication |
Application publication date: 20170208 |