CN203360462U - Furnace slag granulation device of blast furnace for smelting vanadium titano-magnetite - Google Patents

Furnace slag granulation device of blast furnace for smelting vanadium titano-magnetite Download PDF

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Publication number
CN203360462U
CN203360462U CN2013202770859U CN201320277085U CN203360462U CN 203360462 U CN203360462 U CN 203360462U CN 2013202770859 U CN2013202770859 U CN 2013202770859U CN 201320277085 U CN201320277085 U CN 201320277085U CN 203360462 U CN203360462 U CN 203360462U
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China
Prior art keywords
slag
outer case
internal box
blast furnace
magnetite
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Expired - Fee Related
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CN2013202770859U
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Chinese (zh)
Inventor
陈树军
张永恒
宋涛
蔡保旺
李鸿斌
杨金宝
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Hebei Iron and Steel Group Co Ltd Chengde Branch
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Hebei Iron and Steel Group Co Ltd Chengde Branch
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    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02P—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION OR PROCESSING OF GOODS
    • Y02P10/00—Technologies related to metal processing
    • Y02P10/20—Recycling
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02W—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO WASTEWATER TREATMENT OR WASTE MANAGEMENT
    • Y02W30/00—Technologies for solid waste management
    • Y02W30/50—Reuse, recycling or recovery technologies

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Abstract

The utility model belongs to the technical field of metallurgical iron-making equipment, and provides a furnace slag granulation device of a blast furnace for smelting vanadium titano-magnetite, which is used for granulating furnace slag during a deslagging process of the blast furnace for smelting the vanadium titano-magnetite. The technical scheme is that the furnace slag granulation device comprises an outer box body and an inner box body, wherein front-end openings of the outer box body and the inner box body are flatly rectangular; the inner box body is sleeved with the outer box body; a gap exists between the peripheral walls of the outer box body and the inner box body; an external high-pressure wind port is connected to the gap; and an external high-pressure water port is connected to an inner cavity of the inner box body. According to the furnace slag granulation device of the blast furnace for smelting the vanadium titano-magnetite, the high-pressure wind and the high-pressure water are mixed in the box bodies and sprayed out, the wind power can effectively smash and cool a slag flow, and droplets wrapped in wind further cool slag grains, so that quenching slag is free of red slag after falling on the ground; the furnace slag granulation device is low in power consumption, energy-saving and environment-friendly; the furnace slag granulation device cannot be influenced by iron-contained vanadium and titanium slag, the quenching slag can be adjusted by wind and water, and the device can adapt to complicated conditions of an unstable vanadium and titanium slag flow, thereby being more suitable for treating schreyerite blast furnace slag while compared with other slag granulation devices.

Description

A kind of equipment for granulation of slag of smelting the vanadium titano-magnetite blast furnace
Technical field
The utility model relate to a kind of smelt in vanadium titano-magnetite tap cinder process equipment for granulation of slag, belong to technical field of metallurgical iron-making devices.
Background technology
Vanadium titano-magnetite is a kind of Important Mineral Resources, and it is the important kind of iron ore, is again the main carriers of vanadium and titanium resources.Vanadium titano-magnetite, in blast furnace ironmaking process, because the multiple labile factor of schreyerite blast-furnace slag has caused its difficulty on slag treatment facility selection issue large, does not reach gratifying degree so far yet.Chinese Patent Application No. 200610054490.9 discloses a kind of " improving the melt cinder wind quenching method of high-titanium blast furnace slag grain slag performance "; wherein adopt the Dry granulation of BF slag device; during work, slag flows out along chute in the slope; the nozzle ejection pressurized air of device carries out chilling and exerts pressure the slag flowed out along the chute end, is broken into tiny disintegrating slag.Its weak point is: this installs the processing of quenching of melt cinder wind that applicable object is high-titanium blast furnace slag, has no description for the usable condition of middle titanium type and low titanium blast furnace slag, and forms a large amount of slag wool to environment in quenching of slag process processed.And because the method is only used high-pressure blast and is dispelled cooling liquid state slag stream; can not adapt to the on-the-spot unsettled slag stream size of blast furnace; therefore also must slag be transported to the flushing cinder place with slag ladle; liquid slag in slag ladle is poured in slag bucket; in slag bucket, liquid level maintains certain altitude; cinder hole below slag bucket could flow out stablizes big or small slag stream, after wind is quenched, just can obtain stable granulation titanium-containing blast furnace slag in dreg collecting slot.Therefore the method still needs slag ladle to transport liquid slag, and existing slag ladle to transport affects the shortcomings of scale operation.Because these weak points have affected it in execution and application aspect the processing of schreyerite blast furnace slag.
The utility model content
Technical problem to be solved in the utility model is to provide a kind of equipment for granulation of slag of smelting the vanadium titano-magnetite blast furnace; this device can realize schreyerite blast-furnace smelting slag fast, environmental protection, effectively process, solve the problem existed in current schreyerite blast-furnace smelting slag treatment.
The technical scheme solved the problems of the technologies described above is:
A kind of equipment for granulation of slag of smelting the vanadium titano-magnetite blast furnace, it is comprised of outer case and internal box, outer case and internal box are surrounding and rear closure, the casing of front opening, the front portion of outer case and internal box is wedge shape, their two sides up and down are the plane to intermediate, inclined, two sides, left and right are vertical plane, the front opening of outer case and internal box is flat rectangle, outer case is enclosed within on internal box, gapped between the surrounding body wall of outer case and internal box, external high pressure wind interface is connected to the gap between outer case inwall and internal box outer wall from the rear portion of outer case, external high pressure water interface is connected to the inner chamber of internal box from the rear portion of internal box.
The equipment for granulation of slag of above-mentioned smelting vanadium titano-magnetite blast furnace; in gap between described outer case inwall and internal box outer wall, the high-pressure blast thrust-augmenting nozzle is installed; the high-pressure blast thrust-augmenting nozzle is a plurality of; they are arranged in parallel; along the outer case inner wall even distribution; the rear portion of high-pressure blast thrust-augmenting nozzle is connected with the high-pressure blast turned cavities at outer case rear portion, and external high pressure wind interface is connected in the high-pressure blast turned cavities, and the front opening of high-pressure blast thrust-augmenting nozzle is positioned at the junction of outer case front end and internal box front end.
The equipment for granulation of slag of above-mentioned smelting vanadium titano-magnetite blast furnace; the inner chamber rear portion of described internal box is the high pressure water diversion cavity; the high pressure water diversion cavity is connected with external high pressure water interface; the front end oblong openings of internal box is positioned at the rear of outer case front end oblong openings, and the chamber between the front end oblong openings of internal box and outer case front end oblong openings is the geomantic omen hybrid chamber.
The equipment for granulation of slag of above-mentioned smelting vanadium titano-magnetite blast furnace, adopt mould material to fill between a plurality of high-pressure blast thrust-augmenting nozzles between described outer case inwall and internal box outer wall, between the body wall of high-pressure blast thrust-augmenting nozzle and outer case and internal box, adopt mould material to fill.
The equipment for granulation of slag of above-mentioned smelting vanadium titano-magnetite blast furnace, be welded with two and reinforce gusset on described outer case outer wall, reinforce the axis of gusset perpendicular to the fore-and-aft direction of outer case for two, reinforces the gusset parallel ring on the anterior wedge-like portion of outer case for two.
The equipment for granulation of slag of above-mentioned smelting vanadium titano-magnetite blast furnace; described outer case outer wall both sides are welded on and hang the fixedly lower end of gusset; hanging fixedly gusset upper end is welded on blast furnace slag ditch outer wall; the geomantic omen hybrid chamber exit end face of outer case front end is positioned at blast furnace slag ditch ditch head rear 15-20cm, and the Way out of geomantic omen hybrid chamber outlet is from the horizontal by 10 degree to the 15 degree elevations angle.
The beneficial effects of the utility model are:
The utility model is connected with external high pressure wind interface, external high pressure water interface, high-pressure blast evenly mixes at the geomantic omen of casing front end hybrid chamber with high pressure water, mixed stream current after flowing out the wedge shape outlet in geomantic omen are atomized, running into the slag flowed out from slag runner, wind-force is effectively smashed the further cooling slag particle of the globule of sweeping along in cooling slag stream, wind, and the slag that guarantees to quench lands rear without red slag.The utility model is low in energy consumption, energy-saving and environmental protection, constructing operation and easy to maintenance, and failure rate is low, cost is low and operation cost is low.The different slags contacts of the utility model, can not be subject in the vanadium titanium slag with the impact of iron, and wind slag for of quenching, water is adjustable, can adapt to the vanadium titanium slag and flow unsettled complex conditions, is more suitable for the needs of schreyerite blast furnace slag processing than other slag granulation plant.
The accompanying drawing explanation
Fig. 1 is structural representation of the present utility model;
Fig. 2 is the vertical view of Fig. 1;
Fig. 3 is the A-A sectional view of Fig. 1;
Fig. 4 is installation site of the present utility model schematic diagram.
In figure, mark is as follows: outer case 1, internal box 2, high-pressure blast turned cavities 3, high-pressure blast thrust-augmenting nozzle 4, high pressure water diversion cavity 5, geomantic omen hybrid chamber 6, geomantic omen hybrid chamber outlet 7, reinforcing gusset 8, blast furnace slag ditch 9, suspension be gusset 10, external high pressure wind interface 11, external high pressure water interface 12 fixedly.
Embodiment
The utility model is comprised of outer case 1 and internal box 2.
In figure, show, surrounding and the rear closure of outer case 1 and internal box 2, their shape can be square or round shape, the embodiment in figure is square.The front portion of outer case 1 and internal box 2 is wedge shape, their two sides up and down are the plane to intermediate, inclined, two sides, left and right are vertical plane, the front opening of outer case 1 and internal box 2 is flat rectangle, outer case 1 is enclosed within on internal box 2, gapped between the surrounding body wall of outer case 1 and internal box 2.
In figure, show, in gap between outer case 1 inwall and internal box 2 outer walls, high-pressure blast thrust-augmenting nozzle 4 is installed, high-pressure blast thrust-augmenting nozzle 4 is a plurality of, they are arranged in parallel, along outer case 1 inner wall even distribution, the rear portion of high-pressure blast thrust-augmenting nozzle 4 is connected with the high-pressure blast turned cavities 3 at outer case 1 rear portion, and high-pressure blast turned cavities 3 is connected with external high pressure wind interface 11, and high-pressure blast enters high-pressure blast thrust-augmenting nozzle 4 by external high pressure wind interface 11, high-pressure blast turned cavities 3.The front opening of high-pressure blast thrust-augmenting nozzle 4 is positioned at the junction of outer case 1 front end and internal box 2 front ends.Between a plurality of high-pressure blast thrust-augmenting nozzles 4, adopt mould material to fill, between the body wall of high-pressure blast thrust-augmenting nozzle 4 and outer case 1 and internal box 2, adopt mould material to fill.
In figure, show, the inner chamber rear portion of internal box 2 is high pressure water diversion cavity 5, high pressure water diversion cavity 5 is connected with external high pressure water interface 12, the oblong openings of the front end of internal box 2 is positioned at the rear of outer case 1 front end oblong openings, chamber between the front end oblong openings of internal box 2 and outer case 1 front end oblong openings is geomantic omen hybrid chamber 6, high pressure water diversion cavity 5 is connected with geomantic omen hybrid chamber 6, and high-pressure blast thrust-augmenting nozzle 4 passes in geomantic omen hybrid chamber 6.
Show in figure, be welded with two on outer case 1 outer wall and reinforce the axis of 8, two reinforcing gussets 8 of gusset perpendicular to the fore-and-aft direction of outer case 1, reinforce gusset 8 parallel rings on the anterior wedge-like portion of outer case 1 for two.Outer case 1 outer wall both sides are welded on and hang the fixedly lower end of gusset 10, hanging fixedly gusset 10 upper ends is welded on blast furnace slag ditch 9 outer walls, the geomantic omen hybrid chamber of outer case 1 front end exports 7 end faces and is positioned at blast furnace slag ditch 9 ditch head rear 15-20cm, and the Way out of geomantic omen hybrid chamber outlet 7 is from the horizontal by 10 degree to the 15 degree elevations angle.
Working process of the present utility model is as follows:
In blast furnace production process, the blast furnace liquid slag, through blast furnace slag ditch 9 outlet slot mouths, is parabolic shape and falls, and the high-pressure blast after pressure regulation enters high-pressure blast turned cavities 3 from external high pressure wind interface 11, then passes through high-pressure blast thrust-augmenting nozzle 4 to geomantic omen hybrid chamber 6.Meanwhile, high pressure water flows into the high pressure water diversion cavity 5 of internal box 2 from external high pressure water interface 12, through high pressure water diversion cavity 5, flow into geomantic omen hybrid chamber 6.High-pressure blast and high pressure water mix geomantic omen hybrid chamber 6 is interior, mixed stream is through geomantic omen hybrid chamber outlet 7 ejection at a high speed, the molten slag that high-pressure blast, water mixed flow fall its place ahead smashes, and pulp water fully contacts, and the particle of the finished product slag ﹤ 1mm made can reach more than 80%.
The utility model is more suitable for than other slag granulation plant the needs that the schreyerite blast furnace slag is processed, and also can be used for the granulated processed of other mineral steelmaking furnace slag.

Claims (6)

1. an equipment for granulation of slag of smelting the vanadium titano-magnetite blast furnace, it is characterized in that: it is comprised of outer case (1) and internal box (2), outer case (1) and internal box (2) are surrounding and rear closure, the casing of front opening, the front portion of outer case (1) and internal box (2) is wedge shape, their two sides up and down are the plane to intermediate, inclined, two sides, left and right are vertical plane, the front opening of outer case (1) and internal box (2) is flat rectangle, outer case (1) is enclosed within on internal box (2), gapped between the surrounding body wall of outer case (1) and internal box (2), external high pressure wind interface (11) is connected to the gap between outer case (1) inwall and internal box (2) outer wall from the rear portion of outer case (1), external high pressure water interface (12) is connected to the inner chamber of internal box (2) from the rear portion of internal box (2).
2. the equipment for granulation of slag of smelting vanadium titano-magnetite blast furnace according to claim 1, it is characterized in that: in the gap between described outer case (1) inwall and internal box (2) outer wall, high-pressure blast thrust-augmenting nozzle (4) is installed, high-pressure blast thrust-augmenting nozzle (4) is a plurality of, they are arranged in parallel, along outer case (1) inner wall even distribution, the rear portion of high-pressure blast thrust-augmenting nozzle (4) is connected with the high-pressure blast turned cavities (3) at outer case (1) rear portion, external high pressure wind interface (11) is connected in high-pressure blast turned cavities (3), the front opening of high-pressure blast thrust-augmenting nozzle (4) is positioned at the junction of outer case (1) front end and internal box (2) front end.
3. the equipment for granulation of slag of smelting vanadium titano-magnetite blast furnace according to claim 2; it is characterized in that: the inner chamber rear portion of described internal box (2) is high pressure water diversion cavity (5); high pressure water diversion cavity (5) is connected with external high pressure water interface (12); the front end oblong openings of internal box (2) is positioned at the rear of outer case (1) front end oblong openings, and the chamber between the front end oblong openings of internal box (2) and outer case (1) front end oblong openings is geomantic omen hybrid chamber (6).
4. the equipment for granulation of slag of smelting vanadium titano-magnetite blast furnace according to claim 3; it is characterized in that: between a plurality of high-pressure blast thrust-augmenting nozzles (4) between described outer case (1) inwall and internal box (2) outer wall, adopt mould material to fill, between the body wall of high-pressure blast thrust-augmenting nozzle (4) and outer case (1) and internal box (2), adopt mould material to fill.
5. the equipment for granulation of slag of smelting vanadium titano-magnetite blast furnace according to claim 4; it is characterized in that: be welded with two on described outer case (1) outer wall and reinforce gusset (8); article two, reinforce the axis of gusset (8) perpendicular to the fore-and-aft direction of outer case (1), reinforce gusset (8) parallel ring on the anterior wedge-like portion of outer case (1) for two.
6. the equipment for granulation of slag of smelting vanadium titano-magnetite blast furnace according to claim 5; it is characterized in that: described outer case (1) outer wall both sides are welded on and hang the fixedly lower end of gusset (10); hanging fixedly gusset (10) upper end is welded on blast furnace slag ditch (9) outer wall; geomantic omen hybrid chamber outlet (7) end face of outer case (1) front end is positioned at blast furnace slag ditch (9) ditch head rear 15-20cm, and the Way out of geomantic omen hybrid chamber outlet (7) is from the horizontal by 10 degree to the 15 degree elevations angle.
CN2013202770859U 2013-05-21 2013-05-21 Furnace slag granulation device of blast furnace for smelting vanadium titano-magnetite Expired - Fee Related CN203360462U (en)

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Application Number Priority Date Filing Date Title
CN2013202770859U CN203360462U (en) 2013-05-21 2013-05-21 Furnace slag granulation device of blast furnace for smelting vanadium titano-magnetite

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Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN104109759A (en) * 2014-08-12 2014-10-22 昆明泰仕达科技有限公司 High-titanium slag wet-process processing system and processing method

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN104109759A (en) * 2014-08-12 2014-10-22 昆明泰仕达科技有限公司 High-titanium slag wet-process processing system and processing method

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Granted publication date: 20131225