CN203498453U - Hot-charging blast furnace slag carbonization electric furnace - Google Patents
Hot-charging blast furnace slag carbonization electric furnace Download PDFInfo
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- CN203498453U CN203498453U CN201320623647.0U CN201320623647U CN203498453U CN 203498453 U CN203498453 U CN 203498453U CN 201320623647 U CN201320623647 U CN 201320623647U CN 203498453 U CN203498453 U CN 203498453U
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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
- Y02W—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO WASTEWATER TREATMENT OR WASTE MANAGEMENT
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Abstract
The utility model relates to a hot-charging blast furnace slag carbonization electric furnace. By-products (titanium-containing blast furnace slag) generated by blast furnace ironmaking are discarded and accumulated, so as to cause terrible hazard to an ecological environment. A water-cooling furnace cover is capped on an electric furnace body, an electric conducting cross arm is arranged at the top of the water-cooling furnace cover, a furnace cover lifting and rotating device is arranged on the side edge of the water-cooling furnace cover, an electric pole lifting device is fixedly connected with a hanging bracket, the electric furnace body is arranged on an inclined platform arranged on a smelting station, and the inclined platform is driven by a hydraulic system, a drag-out slag car is arranged at a slag outlet of the electric furnace body, the electric current is delivered to furnace charges in the electric furnace body through a large current circuit and the electric conducting cross arm by a transformer, a furnace body platform wagon is arranged at a slag receiving station, the electric furnace body is hoisted onto the furnace body platform wagon of the slag receiving station by a lifting appliance, and blast furnace slag is poured into the electric furnace body by a slag pot carrier vehicle. The hot-charging blast furnace slag carbonization electric furnace can effectively utilize waste heat of the blast furnace, has energy-saving and consumption-reduction effects, has a special furnace profile structure, can perform secondary high-temperature smelting on the blast furnace slag and can comprehensively treat the blast furnace slag.
Description
Technical field
the utility model belongs to metallurgical industry equipment technology field, is specifically related to a kind of hot charging blast furnace slag carbonization electric furnace.
Background technology
The discarded accumulation of the byproduct that blast furnace ironmaking produces (titaniferous) blast furnace slag, can cause huge harm to ecotope.Current, the method that the titanium-containing blast furnace slag that in chemical constitution, titanium oxide content is 8 ~ 30% extracts titanium elements mainly contains acidization and electric furnace smelting method.Acidization is because its grade is low, maximization technology is difficult to make a breakthrough, and has a large amount of waste residues and chemical acid solution to discharge, very large to secondary environmental pollution, do not have the Industrialized conditions of Sustainable development.And the operational path of electric furnace smelting method have technical process short, can on-the-spot hot charging carbonization, the total recovery rate of blast furnace slag titanium high (can reach 80%), processing power greatly, do not produce the advantages such as secondary pollution, market industrialized development has a high potential.
Summary of the invention
The purpose of this utility model is to provide a kind of hot charging blast furnace slag carbonization electric furnace, can effectively alleviate the byproduct that blast furnace ironmaking produces---the harm that the discarded accumulation of (titaniferous) blast furnace slag causes ecotope.
The technical scheme that the utility model adopts is:
A hot charging blast furnace slag carbonization electric furnace, includes electric furnace body, it is characterized in that:
Described electric furnace body, connecing slag station and smelting hot-loading and hot-conveying between station, is lifted by suspender; Electric furnace body is when smelting station, and its seat stands on and fascinates on platform, and top is provided with water cooled cover, and water cooled cover top is provided with conductive cross arm, and conductive cross arm is supported on bell jacking and swivel arrangement by electrode lifting device, and electrode lifting device is fixed on suspension bracket;
Electric furnace body slag notch below sets out the slag car;
By transformer through heavy current circuit and conductive cross arm by Graphite Electrodes to the furnace charge power transmission in electric furnace body.
Described hot charging blast furnace slag carbonization electric furnace is provided with platform wagon of furnace body, moves connecing between slag station and lifting station, and electric furnace body is lifted on platform wagon of furnace body and is moved to and connect slag station by suspender, by cinder ladle car, in electric furnace body, topples over blast furnace slag; After connecing slag and completing, platform wagon of furnace body is transported to lifting station by electric furnace body again, by suspender by electric furnace body lifting to smelting station.
Described electric furnace body is provided with four gudgeons, adopts 4 liftings under thermal load state.
Described hot charging blast furnace slag carbonization electric furnace is provided with cooling water system, is connected in water cooled cover, conductive cross arm and heavy current circuit.
Described hot charging blast furnace slag carbonization electric furnace is provided with for Graphite Electrodes spreading and the electrode spreading station of depositing, and electrode spreading station arranges separately.
Described hot charging blast furnace slag carbonization electric furnace is provided with the hydraulic efficiency system that kinetic energy is provided, and is connected with the driving mechanism of swivel arrangement and conductive cross arm with the platform that fascinates, electrode lifting device, furnace cover lifting.
The utlity model has following advantage:
1) can effectively utilize blast furnace waste heat, there is effect energy-conservation, consumption reduction.
Design special hoisting tool special, realization directly packs liquid (titaniferous) blast furnace titaniferous slag of the byproduct of blast furnace ironmaking into electric furnace fast, reposefully, and fast, steadily, exactly lifting to smelting station, smelt, to meet the consecutive production requirement of blast furnace slag hot-loading and hot-conveying technique.
2) possess special-purpose furnace type structure, can comprehensive treating process blast furnace slag.
(titaniferous) blast furnace waste residue that blast furnace ironmaking is produced carries out secondary refinement, there is bell jacking and outward winding, body of heater fascinates with lifting, furnace roof rotary feeding, Environmental-protecting dust-removing and smelt the functions such as automatization control.This specific equipment can the form with carbide extract beneficial element titanium in blast furnace slag etc., and the blast furnace residue after extraction can be made material of construction and process, and finally reaches the object of comprehensive treating process blast furnace slag.
3) possess and under the state with electric smelting, complete the function that electric furnace fascinates and slags tap.
Adopt Graphite Electrodes in stove, to provide electric energy in the mode of electric-arc heating, in conjunction with proprietary automatization regulating and controlling technology, make it possess the function of fascinating and slagging tap in energising situation, to guarantee to complete smoothly the work of coming out of the stove of finished product slag.
4) there is clean Environmental-protecting dust-removing function, can effectively process secondary poison gas.
Adopted special sealed structure and flue gas collection technique, most of heat can be limited in body of heater, and most arc light and starting the arc noise is airtight to body of heater; The flue gas ejecting from water cooled cover carries out nontoxic discharge after secondary treatment, and its heat energy also can effectively re-use.
Accompanying drawing explanation
Fig. 1 is the total vertical planning drawing of hot charging blast furnace slag carbonization electric furnace.
Fig. 2 is hot charging blast furnace slag carbonization furnace operation schematic diagram.
In figure, the 1-platform that fascinates, 2-electric furnace body, 3-water cooled cover, 4-electrode lifting device, 5-conductive cross arm, 6-heavy current circuit, the jacking of 7-bell and swivel arrangement, 8-cooling water system, 9-hydraulic efficiency system, 10-suspension bracket, 11-drag-out slag car, 12-transformer, 13-platform wagon of furnace body, 14-suspender, 15-electrode spreading station, 16-cinder ladle car.
Embodiment
Below in conjunction with embodiment, the utility model is described in detail.
Referring to Fig. 1 and Fig. 2, a kind of hot charging blast furnace slag carbonization electric furnace that the utility model relates to, includes electric furnace body 2, electric furnace body 2 is connecing slag station and is smelting hot-loading and hot-conveying between station, by suspender 14, lifted, electric furnace body 2 is provided with four gudgeons, adopts 4 liftings.Electric furnace body 2 is when smelting station, its seat stands on and fascinates on platform 1, and top is provided with water cooled cover 3, and water cooled cover 3 tops are provided with conductive cross arm 5, conductive cross arm 5 is supported on furnace cover lifting and swivel arrangement 7 by electrode lifting device 4, and electrode lifting device 4 is fixed on suspension bracket 10.Electric furnace body 2 slag notch places set out the slag car 11.By transformer 12 through heavy current circuit 6 and conductive cross arm 5 by Graphite Electrodes to the furnace charge power transmission in electric furnace body 2.
Hot charging blast furnace slag carbonization electric furnace is provided with platform wagon of furnace body 13, moves connecing between slag station and lifting station, and electric furnace body 2 to connecing on the platform wagon of furnace body 13 of slag station, is toppled over blast furnace slag by cinder ladle car 16 by suspender 14 liftings in electric furnace body 2; After connecing slag and completing, platform wagon of furnace body 13 is transported to lifting station by electric furnace body 2 again, by suspender 14 by electric furnace body 2 liftings to smelting station.
Hot charging blast furnace slag carbonization electric furnace is provided with cooling water system 8, is connected on the water cooling equipments such as water cooled cover 3, conductive cross arm 5 and heavy current circuit 6.
Hot charging blast furnace slag carbonization electric furnace is provided with for Graphite Electrodes spreading and the electrode spreading station 15 of depositing, and electrode spreading station 15 arranges separately.
Hot charging blast furnace slag carbonization electric furnace is provided with the hydraulic efficiency system of kinetic energy 9 is provided, and with the platform 1 that fascinates, electrode lifting device 4, furnace cover lifting and swivel arrangement 7, and the hydraulic drive mechanism on the equipment such as conductive cross arm 5 is connected.
(titaniferous) blast furnace waste residue that equipment of the present utility model produces blast furnace ironmaking carries out secondary refinement, based on following reaction, by C element and titanium-containing blast furnace slag, carries out carburizing reagent, generates TiC and CO:
TiO
2+3C→TiC+2CO
Its equipment technology is realized by following steps:
Step 1: thermal-state blast furnace slag is transported to from BF Area and connects slag station through special-purpose blast furnace slag tank car; By furnace cover lifting and swivel arrangement 7 by rotation alpha angle after 3 jack-up of the water cooled cover on electric furnace body 2, utilize suspender 14 by electric furnace body 2 handlings to platform wagon of furnace body 13, move to and connect slag station, cinder ladle car 16 is toppled over a certain amount of thermal-state blast furnace slag and is entered in electric furnace body 2.Electric furnace body 2 adopts 4 liftings, guarantees that body of heater is steadily reliable.
Step 2: connect cinder ladle car 16 homings after slag, by electric furnace body 2 handlings to smelting station, conductive cross arm 5 and the suspension bracket 10 at rotary water-cooled bell 2, top, water cooled cover 3 and electrode lifting device 4 return to smelting state, transformer 12 power transmissions, through heavy current circuit 6 and conductive cross arm 5 feeding temperature-raisings; While reaching reinforced condition, by the feeding device being arranged on water cooled cover 3, toward the interior coke powder that evenly adds of electric furnace body 2, realize reduction and carbonization.During smelting, in stove, top temperature more than 1700 ℃, implements constantly to adjust power supply system in fusing temperature rise period and reduction and carbonization stage.
Step 3: after having smelted, open electric furnace body 2 slag notches, the oil cylinder that fascinates fascinating under the platform 1 β angle of fascinating under the effect of hydraulic efficiency system 9, carbide slag is slagged tap along the slag notch of electric furnace body 2.In the process of slagging tap, the instant temperature that detects the liquid of slagging tap, when slag liquid temp is near or below desired tapping temperature, the intensification of switching in time.
Step 4: after slagging tap, labor cleaning's slag releasing channel complete stifled stove operation on the service platform of slagging tap, opens the molectron of water cooled cover 2, electrode lifting device 4 and suspension bracket 10, the cycle operation that lifting electric furnace body 2 enters next heat.
Before periodicity smelting work starts, must guarantee that the public auxiliary facility operations such as hydraulic efficiency system 9, cooling water system 8 are intact, the utility appliance such as electrode spreading station 15, drag-out slag car 11 are working properly etc.
The utility model can rise to 50% left and right by current 17% by the comprehensive utilization ratio of Panxi Diqu titanium resource in theory, makes the titanium resource of this area obtain more efficiently utilization.By single device year, process 30,000 tons of carbide slags, can produce smart TiCl
4approximately 1.3 ten thousand tons, by current smart TiCl
410000 yuan/ton of prices, a year overall economic efficiency (profit) is 7,128 ten thousand yuan (not calculating slag iron recovery value); The industrialization initial stage, 400,000 tons of year processing blast furnace slags, carbide slag profit can reach 4,752 ten thousand yuan, and a year total economic benefit (profit) exceedes 700,000,000 yuan.After industrialization, by 3,000,000 tons of slags/a, process, a year total economic benefit reaches 7,500,000,000 yuan!
Be only Panxi Diqu, by 7,000 ten thousand tons of calculating of the standing stock of blast furnace slag, its actual value content is more than 2,000 hundred million yuan.Add that annual blast furnace slag increases by the speedup of 3,000,000 tons, that is, and the processing space of 10,000,000,000 yuan of all having an appointment every year.
It is cited that content of the present utility model is not limited to embodiment, and the conversion of any equivalence that those of ordinary skills take technical solutions of the utility model by reading the utility model specification sheets, is claim of the present utility model and contains.
Claims (6)
1. a hot charging blast furnace slag carbonization electric furnace, includes electric furnace body (2), it is characterized in that:
Described electric furnace body (2), connecing slag station and smelting hot-loading and hot-conveying between station, is lifted by suspender (14); Electric furnace body (2) is when smelting station, its seat stands on the platform that fascinates (1), top is provided with water cooled cover (3), water cooled cover (3) top is provided with conductive cross arm (5), conductive cross arm (5) is supported in bell jacking by electrode lifting device (4) and swivel arrangement (7) is upper, and electrode lifting device (4) is fixed on suspension bracket (10);
Electric furnace body (2) slag notch below sets out the slag car (11);
By transformer (12) through heavy current circuit (6) and conductive cross arm (5) by Graphite Electrodes to the furnace charge power transmission in electric furnace body (2).
2. a kind of hot charging blast furnace slag carbonization electric furnace according to claim 1, is characterized in that:
Described hot charging blast furnace slag carbonization electric furnace is provided with platform wagon of furnace body (13), move connecing between slag station and lifting station, electric furnace body (2) is lifted on platform wagon of furnace body (13) and is moved to and connect slag station by suspender (14), by cinder ladle car (16), in electric furnace body (2), topples over blast furnace slag; After connecing slag and completing, platform wagon of furnace body (13) is transported to lifting station by electric furnace body (2) again, by suspender (14) by electric furnace body (2) lifting to smelting station.
3. a kind of hot charging blast furnace slag carbonization electric furnace according to claim 2, is characterized in that:
Described electric furnace body (2) is provided with four gudgeons, adopts 4 liftings under thermal load state.
4. a kind of hot charging blast furnace slag carbonization electric furnace according to claim 3, is characterized in that:
Described hot charging blast furnace slag carbonization electric furnace is provided with cooling water system (8), is connected in water cooled cover (3), conductive cross arm (5) and heavy current circuit (6).
5. a kind of hot charging blast furnace slag carbonization electric furnace according to claim 4, is characterized in that:
Described hot charging blast furnace slag carbonization electric furnace is provided with for Graphite Electrodes spreading and the electrode spreading station (15) of depositing, and electrode spreading station (15) arranges separately.
6. a kind of hot charging blast furnace slag carbonization electric furnace according to claim 5, is characterized in that:
Described hot charging blast furnace slag carbonization electric furnace is provided with the hydraulic efficiency system of kinetic energy (9) is provided, and is connected with the driving mechanism of swivel arrangement (7) and conductive cross arm (5) with the platform that fascinates (1), electrode lifting device (4), furnace cover lifting.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201320623647.0U CN203498453U (en) | 2013-10-11 | 2013-10-11 | Hot-charging blast furnace slag carbonization electric furnace |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201320623647.0U CN203498453U (en) | 2013-10-11 | 2013-10-11 | Hot-charging blast furnace slag carbonization electric furnace |
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| Publication Number | Publication Date |
|---|---|
| CN203498453U true CN203498453U (en) | 2014-03-26 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201320623647.0U Withdrawn - After Issue CN203498453U (en) | 2013-10-11 | 2013-10-11 | Hot-charging blast furnace slag carbonization electric furnace |
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| Country | Link |
|---|---|
| CN (1) | CN203498453U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103498054A (en) * | 2013-10-11 | 2014-01-08 | 西安电炉研究所有限公司 | Electric furnace for accommodating and carbonizing hot blast furnace slag and equipment technology thereof |
| CN104567367A (en) * | 2014-12-30 | 2015-04-29 | 朱兴发 | Double-power-source bottom pouring centrifugal vacuum induction melting and casting furnace |
-
2013
- 2013-10-11 CN CN201320623647.0U patent/CN203498453U/en not_active Withdrawn - After Issue
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103498054A (en) * | 2013-10-11 | 2014-01-08 | 西安电炉研究所有限公司 | Electric furnace for accommodating and carbonizing hot blast furnace slag and equipment technology thereof |
| CN104567367A (en) * | 2014-12-30 | 2015-04-29 | 朱兴发 | Double-power-source bottom pouring centrifugal vacuum induction melting and casting furnace |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| AV01 | Patent right actively abandoned |
Granted publication date: 20140326 Effective date of abandoning: 20160120 |
|
| AV01 | Patent right actively abandoned |
Granted publication date: 20140326 Effective date of abandoning: 20160120 |
|
| C25 | Abandonment of patent right or utility model to avoid double patenting |