CN100577820C - Mobile smoke blast trapping device for furnace mixer - Google Patents

Mobile smoke blast trapping device for furnace mixer Download PDF

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Publication number
CN100577820C
CN100577820C CN200810018956A CN200810018956A CN100577820C CN 100577820 C CN100577820 C CN 100577820C CN 200810018956 A CN200810018956 A CN 200810018956A CN 200810018956 A CN200810018956 A CN 200810018956A CN 100577820 C CN100577820 C CN 100577820C
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China
Prior art keywords
support
mixer
petticoat pipe
iron
trapping device
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CN200810018956A
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CN101225452A (en
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陈林权
刘少东
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Huatian Engineering and Technology Corp MCC
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Huatian Engineering and Technology Corp MCC
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Abstract

The invention discloses a movable dust arrestment device used for a metal iron mixer, comprising a dedust pipe (1), a support (2), a fixed smoke cover (3) and a movable smoke cover (4). The movable dust arrestment device is characterized in that: the fixed smoke cover (3) and a guide way (5) are arranged on the support (2), and the movable smoke cover (4) can move along the guide way (5), and can be combined with the fixed smoke cover (3) to form a sealed dedust cover; a pig-iron ladle dumping device (6) is arranged on the support (2), and the dedust pipe (1) is arranged on one side of the fixed smoke cover (3). The movable dust arrestment device used for the metal iron mixer has the advantages of convenient usage, ensuring high dust arrestment rate and good dedust effect in the iron receiving process of metal mixer, being energy-saving, reducing running cost, improving the working environment of operating staffs and reducing the operating rate of cranes in workshop.

Description

Mobile smoke blast trapping device for furnace mixer
Technical field
The present invention relates to a kind of device of accepting high temperature fluid, converting the flue dust that the process of falling the high temperature fluid produces that is used for being captured in, relate in particular to a kind of mobile smoke blast trapping device for furnace mixer that is used for hot metal mixer at the flue dust that produced by the iron process.
Background technology
In steelmaking process, hot metal mixer will be converted iron and the operation of tapping a blast furnace, in this process, can produce a large amount of flue dust, so just need carry out smoke catching with extraction hood, the layout that will accomplish extraction hood simultaneously neither influences production operation, and the capture rate of flue dust is high, and the difficulty of therefore carrying out the high-level efficiency smoke catching is very big.
The smoke catching of hot metal mixer in being subjected to the iron process is the dust separating main difficult point of hot metal mixer, at present smoke catching in the hot metal mixer production process and dust separating main mode are had: 1, set up one independently between hot metal mixer, whole workshop flue gas is captured, and carry out dedusting, reduced pollution to the factory building outside atmosphere; But this mode dedusting air quantity is big, the cost height, the post flue dust problem of operational zone does not solve in the factory building, workman's operating environment is poor, cause in the workshop operating ambient temperature of crane higher, up to more than 60 ℃, and the graphite in the flue dust and iron dust containing easily cause electric installation to damage, crane failure rate height, serviceman's maintenance inclement condition; 2, be subjected to the top of iron mouth that petticoat pipe is set at hot metal mixer, on the roof petticoat pipe be set simultaneously flue gas is captured; This mode is to the capture weak effect of flue dust and be subject to cross-flow influence, therefore causes the dedusting air quantity big, the cost height, and dust removing effects is poor; 3, by being provided with fixedly above the metal trough that side sucking hood captures flue gas converting; In this manner, convert the dolly of metal trough by a band, will convert metal trough and insert hot metal mixer, molten iron flows in the hot metal mixer through converting metal trough; Be subjected to the flue gas that produces in the iron process converting metal trough, by be subjected to iron position side top be provided with one fixedly side sucking hood capture, and carry out dedusting.Top, the left and right sides of dirt pits can only seal a part, the front portion can not seal, and influenced by crosswind owing to produce, and the dedusting air quantity is bigger, and dust removing effects is still undesirable.4, adopting the blowing and drawing type air curtain to cover draught hood captures flue gas; This kind mode is suspended to petticoat pipe directly over the hot metal mixer hot metal charging mouth center, and three exhausting of petticoat pipe leave one side and allow iron ladle pass in and out, the petticoat pipe end face adopts air curtain to stop flue gas rising flight, therefore the dedusting air quantity is less relatively, better dust removal effect, and do not influence the operation sight line.When the hot metal charging amount is big, when the flue gas lift velocity was fast, flue gas still can be dispersed in the factory building, and the air curtain air also increased exhaust gas volumn, thus dedusting to capture effect still not ideal.
Summary of the invention
The technical problem to be solved in the present invention provide a kind of easy to use and be subjected at hot metal mixer that flue gas trapping rate height in the iron process, exhaust gas volumn are little, good dedusting effect, mobile smoke blast trapping device for furnace mixer that energy consumption is low.
For solving the problems of the technologies described above, the present invention adopts following technical scheme:
A kind of mobile smoke blast trapping device for furnace mixer, comprise dust removing tube, this mobile smoke blast trapping device for furnace mixer also comprises support, fixedly petticoat pipe and movable gas hood, wherein fixedly petticoat pipe is located on the support, be provided with guide rail on support, movable gas hood can move along guide rail, and can be combined to form airtight dust excluding hood with fixing petticoat pipe, in support, be provided with the hot-metal bottle tipping device, and dust removing tube is located at a fixedly side of petticoat pipe.
Side at support is provided with moving door, this moving door and movable gas hood are positioned at the homonymy of support, and the travel direction of moving door is vertical with the travel direction of movable gas hood, and is movable about this moving door energy, makes things convenient for iron ladle turnover and iron ladle to be placed on the hot-metal bottle tipping device.
On the inwall of fixedly petticoat pipe and movable gas hood, be provided with refractory layer.
On support, be provided with smoke deflector.
Compared with prior art, the technology of the present invention has the following advantages:
1, the present invention is easy to use.In the present invention, movable gas hood can move along the guide rail on the support, and combine with fixing petticoat pipe and to form an airtight dust excluding hood, in this airtight dust excluding hood, be provided with the molten iron tank tipple, and the metal trough of converting that will be placed on the travelling car moves to corresponding position in this airtight dust excluding hood, movable gas hood is removed, the workshop casting crane is placed on iron ladle on the hot-metal bottle tipping device, after withdrawing from Deng the workshop casting crane, movable gas hood moved to and fixedly the petticoat pipe junction form above-mentioned airtight dust excluding hood, at this moment, start the hot-metal bottle tipping device, molten iron just flows in the hot metal mixer through converting metal trough, promptly finish the side hot metal charging of hot metal mixer, whole hot metal mixer is all carried out in seal closure by the iron process, and operation is very easy to go out iron process, and avoided directly carrying out toppling over of iron ladle with the workshop casting crane, reduced the operating rate of workshop casting crane.
2, the present invention can guarantee to be subjected at hot metal mixer that flue gas trapping rate height in the iron process, exhaust gas volumn are few, good dedusting effect, energy consumption be low.Among the present invention, since movable gas hood can with fixing petticoat pipe in conjunction with forming airtight dust excluding hood, and convert metal trough convert iron produce dirt pits above be provided with smoke deflector, so just can guarantee that the flue gas that hot metal mixer produces all concentrates in the above-mentioned airtight dust excluding hood in being subjected to the iron process, because flue gas is more concentrated, therefore, blower fan just can be extracted the flue gas in the airtight dust excluding hood out, the amount that air outside the airtight dust excluding hood is taken away through dedusting fan is less, therefore adopt when of the present invention, the required rate of air sucked in required of dedusting fan can reduce.Show that through on-the-spot test reach same dust removing effects, the rate of air sucked in required of dedusting fan of the present invention can reduce 30%~50%,
Concrete numerical value is with reference to following table:
The hot metal mixer nominal capacity Adopt overhead guard to carry out the exhaust gas volumn (m that flue dust is caught 3/h) Adopt the exhaust gas volumn (m of smoke catching when of the present invention 3/h)
300t 15~20 ~10
600t 25~25 ~15
900t 25~30 ~20
1300t 35~40 ~25
3, the present invention can realize energy-conservationly, reduces running cost.Because the movable gas hood among the present invention and fixedly petticoat pipe formed an airtight dust excluding hood, the whole iron process that is subjected to of hot metal mixer is all carried out in this airtight dust excluding hood, therefore for the hot metal mixer of same nominal capacity, reach same dust removing effects, adopt that the rate of air sucked in required of blower fan will reduce than other form method for dust removals when of the present invention, use just can be satisfied dust separating need of work than the motor of low capacity, has saved electric energy, thereby has reduced running cost.
4, the present invention can improve operating environment.The fixedly petticoat pipe in the present invention and the inwall of movable gas hood be provided with flame retardant coating, reduced the temperature that hot metal mixer is subjected to the Working environment of iron process, reduced thermal radiation, improved operator's Working environment; Simultaneously, owing to adopt dust trapping device of the present invention, the flue dust that hot metal mixer whole is subjected to produce in the iron process all passes through dust removing tube and discharges, and the flue dust that is dispersed into the work factory building has seldom so just reduced because the consumer fault that graphite in the flue dust and iron dust containing cause.
Description of drawings
The present invention is further detailed explanation below in conjunction with the drawings and specific embodiments:
Fig. 1 is the structural representation of mobile smoke blast trapping device for furnace mixer of the present invention.
Fig. 2 is the sectional view along the A-A line of Fig. 1.
Fig. 3 is the sectional view along the B-B line of Fig. 1.
Fig. 4 is the working process synoptic diagram of mobile smoke blast trapping device for furnace mixer of the present invention.
Embodiment
With reference to Fig. 3, a kind of mobile smoke blast trapping device for furnace mixer, comprise dust removing tube 1, this mobile smoke blast trapping device for furnace mixer also comprises support 2, fixedly petticoat pipe 3 and movable gas hood 4, and wherein fixedly petticoat pipe 3 is located on the support 2, is provided with guide rail 5 on support 2, movable gas hood 4 can move along guide rail 5, and can be combined to form airtight dust excluding hood with fixing petticoat pipe 3, in support 2, be provided with hot-metal bottle tipping device 6, and dust removing tube 1 is located at a fixedly side of petticoat pipe 3; See figures.1.and.2, side at support 2 is provided with moving door 7, this moving door 7 and movable gas hood 4 are positioned at the homonymy of support 2, and the travel direction of moving door 7 is vertical with the travel direction of movable gas hood 4, movable about these moving door 7 energy, make things convenient for iron ladle turnover and iron ladle to be placed on the hot-metal bottle tipping device 6.The form of moving door 7 can be an independent door, also can be two doors of splitting; On the inwall of fixedly petticoat pipe 3 and movable gas hood 4, be provided with refractory layer 8; On support 2, be provided with smoke deflector 9, and smoke deflector 9 is positioned at the top that the hot metal mixer side is subjected to the iron mouth, is convenient to smoke catching.
In the present embodiment, hot-metal bottle tipping device 6 is arranged on the tipple support 10, simultaneously.The height of support 2 generally should be higher than the height of tipple support 10, and fixedly the thickness of petticoat pipe and movable gas hood is generally 100~300mm.
With reference to Fig. 1,2,3,4, working process of the present invention is as follows: the metal trough 11 of converting that will be placed on the travelling car moves to and converts 15 places, ironworker position from maintenance station 14, movable gas hood 4 is removed, moving door 7 is opened, the workshop casting crane is placed on iron ladle 12 on the hot-metal bottle tipping device 6, and be locked, after withdrawing from Deng the workshop casting crane, movable gas hood 4 is moved,, close moving door 7 until being combined to form above-mentioned airtight dust excluding hood with fixing petticoat pipe, at this moment, start hot-metal bottle tipping device 6, molten iron just flows in the hot metal mixer 13 through converting metal trough 11, finishes the side hot metal charging technology of hot metal mixer 13.After converting metal trough 11 and reaching work-ing life, the metal trough 11 of converting that is placed on the travelling car just moves to maintenance station 14 from converting ironworker position 15, will convert metal trough 11 handlings with the workshop crane and walk, and changes the baked metal trough of converting; That changes converts metal trough, remove waste refractory materials, build by laying bricks or stones again, toast stand-by.The whole like this iron process that is subjected to is all carried out in above-mentioned airtight dust excluding hood, has improved operating environment, has improved efficiency of dust collection, and has realized energy-conservationly, has reduced running cost.
In the present embodiment, also can on the support 2 below two guide rails sealing plate be set, perforate on the sealing plate of the turnover position of converting metal trough 11 is convenient to allow and is converted metal trough 11 and free in and out, because sealing plate makes the sealing effectiveness of whole enclosed hood strengthen, dust removing effects is also better so like this.

Claims (4)

1, a kind of mobile smoke blast trapping device for furnace mixer, comprise dust removing tube (1), it is characterized in that: this mobile smoke blast trapping device for furnace mixer also comprises support (2), fixedly petticoat pipe (3) and movable gas hood (4), wherein fixedly petticoat pipe (3) is located on the support (2), on support (2), be provided with guide rail (5), movable gas hood (4) can move along guide rail (5), and can be combined to form airtight dust excluding hood with fixing petticoat pipe (3), in support (2), be provided with hot-metal bottle tipping device (6), and dust removing tube (1) is located at a fixedly side of petticoat pipe (3).
2, mobile smoke blast trapping device for furnace mixer according to claim 1, it is characterized in that: the side at support (2) is provided with moving door (7), this moving door (7) and movable gas hood (4) are positioned at the homonymy of support (2), and the travel direction of moving door (7) is vertical with the travel direction of movable gas hood (4).
3, mobile smoke blast trapping device for furnace mixer according to claim 1 is characterized in that: be provided with refractory layer (8) on the inwall of fixedly petticoat pipe (3) and movable gas hood (4).
4, mobile smoke blast trapping device for furnace mixer according to claim 1 and 2 is characterized in that: be provided with smoke deflector (9) on support (2).
CN200810018956A 2008-01-30 2008-01-30 Mobile smoke blast trapping device for furnace mixer Active CN100577820C (en)

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CN200810018956A CN100577820C (en) 2008-01-30 2008-01-30 Mobile smoke blast trapping device for furnace mixer

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Application Number Priority Date Filing Date Title
CN200810018956A CN100577820C (en) 2008-01-30 2008-01-30 Mobile smoke blast trapping device for furnace mixer

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CN101225452A CN101225452A (en) 2008-07-23
CN100577820C true CN100577820C (en) 2010-01-06

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Families Citing this family (11)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN101823067A (en) * 2010-03-25 2010-09-08 中国瑞林工程技术有限公司 Telescopic environment-friendly gas hood
CN101983784B (en) * 2010-12-04 2013-04-17 交城义望铁合金有限责任公司 Manganese ferroalloy finery vehicle type folding smoke helmet
CN102581770A (en) * 2012-03-01 2012-07-18 无锡市西漳环保设备有限公司 Openable dust collection cover
RU2541264C1 (en) * 2013-11-14 2015-02-10 Общество с ограниченной ответственностью "Объединенная Компания РУСАЛ Инженерно-технологический центр" Hood of open ore-thermal furnace
CN104815830B (en) * 2015-04-24 2017-08-04 北京首钢国际工程技术有限公司 Conticaster casting area movable type cleaner
CA3064776C (en) 2018-02-22 2022-07-26 Wacker Chemie Ag Hood for si-metal tapping and process for production of silicon using such a hood
CN108788111B (en) * 2018-06-29 2020-07-10 马钢集团设计研究院有限责任公司 Tundish tipping and dust removing device of continuous casting machine and control method thereof
CN109500039B (en) * 2018-12-31 2024-02-09 新余钢铁股份有限公司 LF stove high-low rail removes dust excluding hood
CN109900125B (en) * 2019-03-22 2020-01-03 贾玉东 Resistance furnace flue gas collecting device, collecting system and straight flute type resistance furnace
CN110449437B (en) * 2019-09-02 2023-06-23 中冶南方工程技术有限公司 Double-layer smoke dust collecting cover and using method thereof
CN114289708A (en) * 2021-12-17 2022-04-08 鞍钢集团工程技术有限公司 Smoke dust collecting process device for tipping operation of continuous casting tundish

Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3841615A (en) * 1971-10-27 1974-10-15 Creusot Loire Installation for extraction of dust from fumes emitted from a mixer

Patent Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3841615A (en) * 1971-10-27 1974-10-15 Creusot Loire Installation for extraction of dust from fumes emitted from a mixer

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