CN101486088B - Hot-metal bottle combined cover and method thereof for adding and lifting cover - Google Patents
Hot-metal bottle combined cover and method thereof for adding and lifting cover Download PDFInfo
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- CN101486088B CN101486088B CN2009100793638A CN200910079363A CN101486088B CN 101486088 B CN101486088 B CN 101486088B CN 2009100793638 A CN2009100793638 A CN 2009100793638A CN 200910079363 A CN200910079363 A CN 200910079363A CN 101486088 B CN101486088 B CN 101486088B
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Abstract
The invention relates to a hot-metal bottle combined cover and a cover adding and uncovering method thereof, and belongs to the technical field of hot metal transportation. The hot-metal bottle combined cover consists of a positioning ring (1), a hot-metal bottle cover (2), a suspension ring (3), a hinge (4), a hot metal receiving opening cover (5) and a swinging shifting ring (6), wherein the hot-metal bottle cover (2) is connected with the hot metal receiving opening cover (5) through the hinge (4); and the whole combined cover is positioned on a fixed pin shaft on a hot-metal bottle through the positioning ring (1). The adding and uncovering method for the hot metal receiving opening cover (5) of a casting house is to arrange a special mechanism in a hot metal outlet opening position of the casting house to complete cover adding and uncovering operations; and the adding and uncovering method for the hot-metal bottle cover (2) of the casting house is to realize cover adding and uncovering operations by a special hanger and a gantry trolley (15). The cover adding and uncovering method has the advantages that a hot-metal bottle is provided with the cover for shielding during transmission and shelving, so that the cover adding and uncovering method greatly saves energy resources, reduces consumption of resistant materials and a heat-insulated covering agent and environmental pollution, prolongs the service life of the resistant materials of the hot-metal bottle, and obviously reduces the turnover number of the hot-metal bottle.
Description
Technical field
The invention belongs to molten iron transportation technology field, a kind of hot-metal bottle combined cover and uncovery method thereof particularly are provided.
Background technology
Oxygen converter steelmaking is to be the method for making steel of main material with blast-melted.Molten iron is the main source of iron in the steelmaking process, accounts for more than 80% of whole iron and steel stocks.The physics heat of being brought into by molten iron temperature accounts for whole more than 50% of thermal source in the steelmaking process.Molten iron temperature is high more, and the cooling agent of iron content such as operable steel scrap, iron ore is many more in the steelmaking process, and steel-making cost also can correspondingly reduce.
Modernization pneumatic steelmaking factory mainly contains two kinds of torpedo type hot-metal bottle and traditional bucket formula hot-metal bottles with the blast-melted container that is transported to the converter mill, and the two respectively has pluses and minuses.China's converter capacity is at the most bucket formula hot-metal bottles that use of the steel plant below 180 tons.This hot-metal bottle with manually adding insulation such as rice husk material to the molten iron face, is transported to the converter mill after blast furnace is accepted molten iron again.After molten iron was blended into converter or mixed iron blast, the hot-metal bottle that opens wide returned blast furnace and is subjected to iron once more.
Because rice husk very easily flies upward after the burning of molten iron face, so the heat insulation effect of rice husk is unsatisfactory, the cooling of molten iron in course of conveying is many.Empty hot-metal bottle returns blast furnace and is subjected to once more during the iron, and the hot-metal bottle refractory lining dispels the heat to environmental radiation, and its temperature drops sharply to 600 ℃ even lower by about 1400 ℃ (suitable with molten iron temperature).After being subjected to iron, refractory lining absorbs the molten iron heat, and its temperature rises to about 1400 ℃ by about 600 ℃ once more.Above-mentioned two factors make 30 ℃ of molten iron temperature losses at least, cause the increase of coke and hot blast energy consumption, and this is barrel main shortcoming of formula hot-metal bottle.The present invention is exactly the invention at this shortcoming of hot-metal bottle.
Summary of the invention
A kind of hot-metal bottle combined cover and uncovery method thereof have been the object of the present invention is to provide, do not increasing big overhead traveling crane operation and do not increasing under operator's the situation, cast house platform, petticoat pipe, hot-metal bottle etc. are not carried out under the situation of big rectification, realize hot-metal bottle in transmission with shelve adding a cover and taking off in the process and cover operation, thereby reach energy saving purposes.
Our company introduce, digest domestic hot-metal bottle, steel ladle is added a cover on the basis of technology, is engaged in the experience that metallurgy industry is accumulated for many years in conjunction with our company, adopts ripe complete sets of equipment technology, the science combination has realized the present invention.
The present invention has adopted three technology: combination cover technology, cast house is subjected to the molten iron flap to add the technology of taking off and the big lid of steel mill adds the technology of taking off.
Hot-metal bottle combined cover of the present invention (referring to Fig. 1) by locating ring, molten iron cover, suspension ring, hinge, be subjected to the molten iron flap and the swing ring form, the molten iron cover with linked to each other by hinge by the molten iron flap, whole combination cover is located by the fixed pin shaft on locating ring and the hot-metal bottle.Hot-metal bottle combined cover and hot-metal bottle mouth contact-making surface are realized the function of its heat-insulation and heat-preservation by refractory material, molten iron cover and the automatic contraposition of refractory material faying face seam mode and the sealing that are subjected to the molten iron flap, present technique has solved the little problem of hot-metal bottle upper clearance under the exit or entrance of a clitch of tapping a blast furnace well, promptly because the existence and the cast house of a dust gathering arrester do not have the problem that molten iron cover crane is taken off in special use.
The location pin of locating ring on Fig. 1 and the setting of hot-metal bottle oral-lateral correspondence position not only satisfies the interchangeability requirement of molten iron cover 2, and has retrained the position of swing ring simultaneously, has guaranteed the safe distance of driving lever; Molten iron cover 2 adopts the fetal membrane construction of pairing to satisfy the design accuracy requirement with the anti-material that is subjected to molten iron flap 5 joint portions; The bearing pin long enough of swing ring is advisable to satisfy the normal off-position precision of hot-metal bottle traction locomotive or automobile.
The present invention can guarantee that hot-metal bottle band molten iron cover is subjected to iron, and with having remained the covering state that covers in conveying of locomotive canful or the slack tank return course, uncovery method of the present invention is as follows:
1, cast house is added by molten iron flap 5 to take off method contrast Fig. 2 to illustrate.Going out trough mouth position at cast house is provided with special mechanism and finishes the action of adding a cover and getting lid.Special mechanism mainly is made up of uncovery mechanism, toggle, drive unit, uncovery mechanism be installed in dust excluding hood directly over, its rocking arm serves as driving lever, under the effect of toggle and drive unit, swing ring 6 drives and rotated a certain angle around hinge by the molten iron flap, thereby get out of the way the molten iron circulation road, realize taking off covering operation, reverse operating realizes adding a cover operation.Because every blast furnace has three tapping holes, hot environment and thickness dirt when tapping a blast furnace, so this invention also comprises public hydraulic system, preventing dust leakage device, acoustooptic alarm system, stroke switchgear etc., wherein the cartridge seal device of preventing dust leakage device frenulum heat resistant rubber air bag accurately when implementing.
Fig. 2 swings ring 6 and suspension ring 3 locus are staggeredly arranged, and swing driving lever and they keep the necessary security distance.The swing driving lever selects for use heat resisting cast steel material and hot investment casting to form, and for ease of dismounting and change, it is linked as the opposite opened structure with axle.
2, steel mill molten iron cover adds and takes off method corresponding diagram 3 and describe.(special hanger is by travelling car by means of special hanger for the molten iron cover, suspender and lowering or hoisting gear are formed) and the realization of gate-type handover chassis, special hanger is fixed on to be transferred on the chassis, the molten iron cover is taken off lid and is formed by three combination of actions, suspender is suspended on the gathering sill bottom of travelling car, travelling car reach hook, lowering or hoisting gear makes the suspender vertical lifting take off lid by toggle, the gate-type travelling car carries the molten iron cover to interim deposit position then, the special hanger reverse operating is realized the placement of lid, when needs are added a cover operation to slack tank, above-mentioned action is redo, only get and cover station and become and deposit the position temporarily, become taking off of aforesaid molten iron cover and cover station and add a cover station.Gate-type is transferred chassis except the passage of the assurance hot-metal bottle suspender that satisfies technological requirement, also is responsible for the switching of molten iron cover between hot-metal bottle and molten iron cover deposit position.This invention comprises public hydraulic system, acoustooptic alarm system (hot-metal bottle is notified trainman and craneman respectively after putting in place), stroke switchgear etc. accurately when implementing.
The symmetric design as far as possible of Fig. 3 suspender 17 and molten iron cover 2 is to satisfy requirement for dynamic balance.
3, taken off by adding of molten iron flap 5 and molten iron cover 2 and put operation, fully adopt ripe mechanical-electrical-hydraulic integration technology, guarantee the smooth realization of automation, simultaneously also by the manual pump system, so that under the situation of outage, still can guarantee the smooth realization of uncovery operation.
This technological service is in hot-metal bottle, hot-metal bottle is to and from the hot-metal bottle lifting position of the tap a blast furnace position, the mouth of a river and the steel mill of iron-smelter by traction locomotive, original this position parking required precision is not very high, after but the hot-metal bottle cause for gossip is now added a cover, for the workload that do not increase big overhead traveling crane with guarantee the molten iron cover and be subjected to the uncovery operation of the young lid of molten iron, the lifting position and the parking required precision of hot-metal ladle and carriage under the exit or entrance of a clitch of tapping a blast furnace of hot-metal bottle are brought up to ± 75mm in the steel mill, and this chain requirement will be finished at instrument and meter for automation and monitoring system.
The invention has the advantages that, steel mill does not need to increase big overhead traveling crane operating rate, iron-smelter does not need to set up special-purpose driving and does not increase under operator's the situation, cast house platform, petticoat pipe and hot-metal bottle etc. are not carried out under the situation of big rectification, do not need under the extra high situation of hot-metal bottle locomotive off-position precision yet, realize that hot-metal bottle is in transmission with shelve and have lid to block in the process, thereby energy savings significantly, reduce the consumption of anti-material and thermal-insulating covering agent, reduce environmental pollution, prolong the anti-material life-span of hot-metal bottle and make hot-metal bottle turnover quantity be able to obvious minimizing.Only the temperature loss in the molten iron transport process reduces more than 30 ℃, and by increment (1.5～2) unit/℃ ton molten iron, direct benefit is exactly (45～60) unit/ton molten iron.
Description of drawings
Fig. 1 is a combination cover structural representation of the present invention.Wherein, locating ring 1, molten iron cover 2, suspension ring 3, hinge 4, be subjected to molten iron flap 5 and the swing ring 6.
Fig. 2 takes off place system for the present invention is added by the molten iron flap.Wherein, mounting 8, toggle assembly 9, toggle installation mounting 10, driving unit assembly 11, drive unit installation mounting 12, acoustooptic alarm system 13 and dust excluding hood 14 are installed by uncovery mechanism assembly 7, uncovery mechanism.
Fig. 3 takes off place system for molten iron cover of the present invention adds.Wherein acoustooptic alarm system 13, gate-type are transferred chassis 15, travelling car 16, suspender 17, lowering or hoisting gear 18.
The specific embodiment
Fig. 1～Fig. 3 is the specific embodiment of the present invention.
Hot-metal bottle combined cover by locating ring 1, molten iron cover 2, suspension ring 3, hinge 4, formed by molten iron flap 5 and swing ring 6, the fixed pin shaft that molten iron cover 2 and linked to each other by hinge 4 by molten iron flap 5, whole combination cover pass through on locating ring 1 and the hot-metal bottle is located.Hot-metal bottle combined cover and hot-metal bottle mouth contact-making surface are realized function, molten iron cover 2 and the automatic contraposition of refractory material faying face seam mode and the sealing that are subjected to molten iron flap 5 of its heat-insulation and heat-preservation by refractory material.
The present invention can guarantee that hot-metal bottle band molten iron cover 2 is subjected to iron, and with having remained the covering state that covers in conveying of locomotive canful or the slack tank return course, uncovery method of the present invention is as follows:
1, cast house is added by molten iron flap 5 to take off method contrast Fig. 2 to illustrate.Going out trough mouth position at cast house is provided with special mechanism and finishes the action of adding a cover and getting lid.Special mechanism mainly is made up of uncovery mechanism 7, toggle 9, drive unit 11, uncovery mechanism 7 be installed in dust excluding hood directly over, its rocking arm serves as driving lever, under the effect of toggle 9 and drive unit 11, swing ring 6 drives and rotated a certain angle around hinge 4 by molten iron flap 5, thereby get out of the way the molten iron circulation road, realize taking off covering operation, reverse operating realizes adding a cover operation.Because every blast furnace has three tapping holes, hot environment and thickness dirt when tapping a blast furnace, so this invention also comprises public hydraulic system, preventing dust leakage device, acoustooptic alarm system, stroke switchgear etc., wherein the cartridge seal device of preventing dust leakage device frenulum heat resistant rubber air bag accurately.
2, steel mill molten iron cover 2 adds and takes off method corresponding diagram 3 and describe.(special hanger is by travelling car 16 by means of special hanger for molten iron cover 2, suspender 17 and lowering or hoisting gear 18 are formed) and 15 realizations of gate-type handover chassis, special hanger is fixed on to be transferred on the chassis 15, molten iron cover 2 is taken off lid and is formed by three combination of actions, suspender 17 is suspended on the gathering sill bottom of travelling car 16, travelling car 16 reach hooks, lowering or hoisting gear 18 makes suspender 17 vertical lifting take off lid by toggle, the gate-type travelling car carries molten iron cover 2 to interim deposit position then, the special hanger reverse operating is realized the placement of lid, when needs are added a cover operation to slack tank, above-mentioned action is redo, only get and cover station and become and deposit the position temporarily, become taking off of aforesaid molten iron cover 2 and cover station and add a cover station.Gate-type is transferred chassis 15 except the passage of the assurance hot-metal bottle suspender that satisfies technological requirement, also is responsible for the switching of molten iron cover 2 between hot-metal bottle and molten iron cover deposit position.
Claims (3)
1. hot-metal bottle combined cover, it is characterized in that, by locating ring (1), molten iron cover (2), suspension ring (3), hinge (4), be subjected to molten iron flap (5) and the swing ring (6) form, molten iron cover (2) with linked to each other by hinge (4) by molten iron flap (5), whole combination cover is by the location of the fixed pin shaft on locating ring (1) and the hot-metal bottle;
Hot-metal bottle combined cover and hot-metal bottle mouth contact-making surface are realized the function of its heat-insulation and heat-preservation by refractory material; Molten iron cover (2) and be subjected to the same fetal membrane construction of molten iron flap (5) refractory material joint portion and select spinel pouring material for use;
Molten iron cover (2) and be subjected to the automatic contraposition of refractory material faying face seam mode and the sealing of molten iron flap (5).
2. the uncovery method of the described hot-metal bottle combined cover of claim 1 is characterized in that, it is to go out trough mouth position at cast house special mechanism is set finishes the action of adding a cover and getting lid that cast house is subjected to molten iron flap (5) to add the method for taking off; Special mechanism is made up of uncovery mechanism (7), toggle (9), drive unit (11), uncovery mechanism (7) be installed in dust excluding hood directly over, its rocking arm serves as driving lever, under the effect of toggle (9) and drive unit (11), swing ring (6) is driven rotated a certain angle around hinge (4) by molten iron flap (5), thereby get out of the way the molten iron circulation road, realize taking off covering operation, reverse operating realizes adding a cover operation.
3. the uncovery method of the described hot-metal bottle combined cover of claim 1, it is characterized in that, it is that molten iron cover (2) is transferred chassis (15) realization by means of special hanger and gate-type that steel mill molten iron cover (2) adds the method for taking off, special hanger is fixed on to be transferred on the chassis (15), and special hanger is made up of travelling car (16), suspender (17) and lowering or hoisting gear (18); Molten iron cover (2) is taken off lid and is formed by three combination of actions, suspender (17) is suspended on the gathering sill bottom of travelling car (16), travelling car (16) reach hook, lowering or hoisting gear (18) makes suspender (17) vertical lifting take off lid by toggle, the gate-type travelling car carries molten iron cover (2) to interim deposit position then, the special hanger reverse operating is realized the placement of lid, when needs are added a cover operation to slack tank, repeat above-mentioned action, only get and cover station and become and deposit the position temporarily, become taking off of aforesaid molten iron cover (2) and cover station and add a cover station.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2009100793638A CN101486088B (en) | 2009-03-09 | 2009-03-09 | Hot-metal bottle combined cover and method thereof for adding and lifting cover |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2009100793638A CN101486088B (en) | 2009-03-09 | 2009-03-09 | Hot-metal bottle combined cover and method thereof for adding and lifting cover |
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| Publication Number | Publication Date |
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| CN101486088A CN101486088A (en) | 2009-07-22 |
| CN101486088B true CN101486088B (en) | 2010-09-01 |
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Families Citing this family (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101648268B (en) * | 2009-08-28 | 2011-04-13 | 北京北科中钢工程技术有限公司 | Plug-pin type double-hinge compound cover system |
| CN102699315B (en) * | 2012-06-05 | 2014-01-08 | 陈韦玮 | Fixed cover placing and taking device for hot metal ladle |
| CN103331438B (en) * | 2013-06-14 | 2015-12-16 | 南通市煌埔机械制造有限公司 | Vehicle-mounted ladle adds automatically gets lid arrangement |
| CN103949628B (en) * | 2014-04-30 | 2016-01-20 | 北京科技大学 | A kind of casting process stops the devices and methods therefor of tundish secondary oxidation |
| CN104117660A (en) * | 2014-07-24 | 2014-10-29 | 武汉威林科技股份有限公司 | Cover covering and uncovering device of hydraulic high-temperature melt container |
| 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 |
| CN107876745B (en) * | 2017-12-26 | 2024-01-23 | 北京北科中钢工程技术有限公司 | Sealing cover for hot-metal bottle and covering and uncovering system |
| CN114653934A (en) * | 2022-03-10 | 2022-06-24 | 重庆赛迪奇智人工智能科技有限公司 | Cover-loading and-unloading device for torpedo tank car |
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