CN110440610A - A kind of depositing dust high efficiency metallurgy electric arc furnaces - Google Patents
A kind of depositing dust high efficiency metallurgy electric arc furnaces Download PDFInfo
- Publication number
- CN110440610A CN110440610A CN201910754201.3A CN201910754201A CN110440610A CN 110440610 A CN110440610 A CN 110440610A CN 201910754201 A CN201910754201 A CN 201910754201A CN 110440610 A CN110440610 A CN 110440610A
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- China
- Prior art keywords
- furnace body
- support column
- adjusting rod
- electric arc
- high efficiency
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Classifications
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F27—FURNACES; KILNS; OVENS; RETORTS
- F27D—DETAILS OR ACCESSORIES OF FURNACES, KILNS, OVENS, OR RETORTS, IN SO FAR AS THEY ARE OF KINDS OCCURRING IN MORE THAN ONE KIND OF FURNACE
- F27D11/00—Arrangement of elements for electric heating in or on furnaces
- F27D11/08—Heating by electric discharge, e.g. arc discharge
- F27D11/10—Disposition of electrodes
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F27—FURNACES; KILNS; OVENS; RETORTS
- F27D—DETAILS OR ACCESSORIES OF FURNACES, KILNS, OVENS, OR RETORTS, IN SO FAR AS THEY ARE OF KINDS OCCURRING IN MORE THAN ONE KIND OF FURNACE
- F27D17/00—Arrangements for using waste heat; Arrangements for using, or disposing of, waste gases
- F27D17/001—Extraction of waste gases, collection of fumes and hoods used therefor
- F27D17/003—Extraction of waste gases, collection of fumes and hoods used therefor of waste gases emanating from an electric arc furnace
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F27—FURNACES; KILNS; OVENS; RETORTS
- F27D—DETAILS OR ACCESSORIES OF FURNACES, KILNS, OVENS, OR RETORTS, IN SO FAR AS THEY ARE OF KINDS OCCURRING IN MORE THAN ONE KIND OF FURNACE
- F27D21/00—Arrangements of monitoring devices; Arrangements of safety devices
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F27—FURNACES; KILNS; OVENS; RETORTS
- F27D—DETAILS OR ACCESSORIES OF FURNACES, KILNS, OVENS, OR RETORTS, IN SO FAR AS THEY ARE OF KINDS OCCURRING IN MORE THAN ONE KIND OF FURNACE
- F27D21/00—Arrangements of monitoring devices; Arrangements of safety devices
- F27D21/02—Observation or illuminating devices
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F27—FURNACES; KILNS; OVENS; RETORTS
- F27D—DETAILS OR ACCESSORIES OF FURNACES, KILNS, OVENS, OR RETORTS, IN SO FAR AS THEY ARE OF KINDS OCCURRING IN MORE THAN ONE KIND OF FURNACE
- F27D21/00—Arrangements of monitoring devices; Arrangements of safety devices
- F27D2021/0007—Monitoring the pressure
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- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Environmental & Geological Engineering (AREA)
- Vertical, Hearth, Or Arc Furnaces (AREA)
- Waste-Gas Treatment And Other Accessory Devices For Furnaces (AREA)
Abstract
The invention discloses a kind of depositing dust high efficiency metallurgy electric arc furnaces, including furnace body, support column and cyclone dust removal case, the bottom of furnace body is equipped with pedestal, furnace body is mounted on the top of pedestal, pedestal, support column and cyclone dust removal case are arranged in parallel, the side of furnace body is equipped with observation window, the other side of furnace body is equipped with heat-insulated fixed block, observation window is fixedly welded with furnace body respectively with heat-insulated fixed block, the inside of heat-insulated fixed block is fixedly installed with hydraulic cylinder, hydraulic stem is installed above hydraulic cylinder, it is flexibly connected between hydraulic stem and hydraulic cylinder, the top of hydraulic stem is equipped with connecting plate, it is fixedly welded between connecting plate and hydraulic stem, connecting plate is set to the top of furnace body, connecting plate is equipped with an elongated through-hole, the inside of through-hole is separately installed with adjusting rod one and adjusting rod two, two electrode tips of the utility model setting can work at the same time, it can satisfy different smeltings Gold bar part, and flue dust can be made sufficiently to be handled by cyclone dust removal case.
Description
Technical field
The present invention relates to smelting equipment technical field, specially a kind of depositing dust high efficiency metallurgy electric arc furnaces.
Background technique
Metal smelt technology is widely used in China, and especially steel-smelting technology is the project that China endeavours research, at present state
Sparetime university, state-owned enterprise mostly uses electric-arc furnace steelmaking mode, and electric arc furnaces (abbreviation EAF) steel-making is the method for making steel using electric energy as heat source,
It is so that electric energy is changed into thermal energy in arc light, and by arc radiation and electricity by the electric arc for generation of discharging between electrode and furnace charge
The direct effect of arc heats and melts metal charge and clinker, smelts a kind of steel-making side of the steel and alloy of various composition qualification out
Method, electric arc furnaces are bigger than other converter technological flexibilities, can be effectively removed the impurity such as sulphur, phosphorus, furnace temperature is easy to control, equipment
Occupied area is small, and suitable for the melting of superior alloy steel, electric arc furnaces can generate a large amount of dust, endanger operating personnel when smelting
Health, dusty gas discharge after also pollute the environment, and the electrode of existing electric arc furnaces be it is relatively-stationary, for difference
Raw material cannot change interelectrode distance adjustment relevant parameter, and existing electric arc furnaces is after the completion of metallurgy, it is necessary to topple over
All molten steel can all be poured out, there are certain security risk, electricity when electrode residual temperature when promoting electrode is injured and jacked
All there is insecurity factor in the rollover etc. of arc furnace.
Summary of the invention
The purpose of the present invention is to provide a kind of depositing dust high efficiency metallurgy electric arc furnaces, to solve to propose in above-mentioned background technique
The problem of.
To achieve the above object, the invention provides the following technical scheme: a kind of depositing dust high efficiency metallurgy electric arc furnaces, including furnace
Body, support column and cyclone dust removal case, the bottom of the furnace body are equipped with pedestal, and the furnace body is installed on the top of the base, institute
Pedestal, support column and the cyclone dust removal case is stated to be arranged in parallel, the side of the furnace body is equipped with observation window, the furnace body it is another
Side is equipped with heat-insulated fixed block, and the observation window is fixedly welded with the furnace body respectively with the heat-insulated fixed block, described heat-insulated solid
The inside for determining block is fixedly installed with hydraulic cylinder, is equipped with hydraulic stem above the hydraulic cylinder, the hydraulic stem with it is described hydraulic
It being flexibly connected between cylinder, the top of the hydraulic stem is equipped with connecting plate, it is fixedly welded between the connecting plate and the hydraulic stem,
The connecting plate is set to the top of the furnace body, and the connecting plate is equipped with an elongated through-hole, and the inside of the through-hole is distinguished
Adjusting rod one and adjusting rod two are installed.
Preferably, guide holder one, guide holder two and guide holder three, the adjusting rod one are respectively equipped with above the furnace body
It is connected to the inner wall of the furnace body, the guiding by the guide holder one and the guide holder two respectively with the adjusting rod two
The inner wall of seat three is equipped with connecting tube, and the both ends of the connecting tube are respectively equipped with water inlet pipe and outlet pipe, the water inlet pipe and institute
Outlet pipe is stated respectively with the inner wall for being connected to the connecting tube and through the connecting tube.
Preferably, the inner wall of the adjusting rod one and the adjusting rod two is respectively equipped with electrode connection bar, and the electrode connects
The bottom of line bar is equipped with electrode tip, and the bottom of the adjusting rod one and the adjusting rod two is respectively equipped with reducing sleeve, the electricity
Pole junction pole passes through the reducing sleeve respectively and connect with the electrode tip.
Preferably, the outer wall of the furnace body is respectively equipped with exhaust outlet, pressure sensor, liquid outlet, exhaust tube and air inlet pipe,
The exhaust outlet and the liquid outlet are respectively arranged at the lower section of the hydraulic cylinder and communicate with the furnace body, the pressure sensing
Device is set to the side of the guide holder three.
Preferably, the support column is set to the side of the furnace body, and the top of the support column is close to the furnace body
Side is equipped with mounting rack, and the bottom of the mounting rack is equipped with mounting blocks, solid between the support column, mounting rack and the mounting blocks
Fixed welding, the bottom of the mounting blocks are equipped with dust gathering arrester, and the inner wall of the dust gathering arrester is equipped with measured oxygen concentration instrument, described
The bottom of support column is equipped with driving device close to the side of the furnace body, and the driving device and the measured oxygen concentration instrument connect
It connects.
Preferably, the top of the mounting blocks connects bellows, by described between the bellows and the dust gathering arrester
Mounting blocks connection, the other end of the bellows are equipped with connection air hose, fixed between the connection air hose and the bellows to connect
It connects, the bottom of the connection air hose is connected to the cyclone dust removal case.
Preferably, the cyclone dust removal case is set to side of the support column far from the furnace body, the cyclone dust removal
Case far from the support column one end be equipped with blower, the avris of the assembling and the cyclone dust removal case, the blower
The other end is equipped with air-exhausting duct.
Compared with prior art, the beneficial effects of the present invention are:
(1) hydraulic cylinder of the present invention is arranged in the heat-insulated fixed block, effectively increases making for the hydraulic cylinder in this way
Use the service life.
(2) adjusting rod one and the adjusting rod two that the present invention is arranged can slide in the through-hole, realize institute
The change for stating distance between electrode tip can satisfy different metallurgy conditions, ensures in electric arc furnaces and most preferably smelts operating condition.
(3) present invention carries out out liquid by the liquid outlet of bottom opening, avoids heat injury when promoting electrode tip
With the security risk when inclination furnace body, it is more abundant that such mode goes out liquid.
(4) present invention drives the dust gathering arrester that the dust in metallurgical process is drawn into the whirlwind by the blower
It is then exhausted from after being handled in dust cleaning case, not only will not influence being normally carried out for metallurgy, and air in effective cleaning shop,
Ensure the safety of operator, and avoids the pollution of environment.
(5) operation of the present invention personnel can observe the case where position and melting of electrode by the observation window.
(6) the measured oxygen concentration instrument that the present invention is arranged in the dust gathering arrester, can be used for measuring metallurgical process
In oxygen concentration so that metallurgy it is more efficient.
Detailed description of the invention
Fig. 1 is entirety perspective view of the present invention；
Fig. 2 is furnace interior structure chart of the present invention；
Fig. 3 is two internal structure chart of adjusting rod one of the present invention and adjusting rod；
Fig. 4 is connecting tube solid anatomical structure figure of the present invention；
Fig. 5 is integrated cover internal structure chart of the present invention；
In figure: 1. furnace bodies, 2. support columns, 3. cyclone dust removal casees, 4. pedestals, 5. observation windows, 6. heat-insulated fixed blocks, 7. hydraulic cylinders,
8. hydraulic stem, 9. connecting plates, 10. through-holes, 11. adjusting rods one, 12. adjusting rods two, 13. guide holders one, 14. guide holders two, 15.
Guide holder three, 16. connecting tubes, 17. water inlet pipes, 18. outlet pipes, 19. electrode connection bars, 20. electrode tips, 21. reducing sleeves, 22.
Exhaust outlet, 23. pressure sensors, 24. liquid outlets, 25. exhaust tubes, 26. air inlet pipe, 27. mounting racks, 28. mounting blocks, 29. collection
Dust hood, 30. measured oxygen concentration instrument, 31. driving devices, 32. bellowss, 33. connection air hoses, 34. blowers, 35. air-exhausting ducts.
Specific embodiment
Following will be combined with the drawings in the embodiments of the present invention, and technical solution in the embodiment of the present invention carries out clear, complete
Site preparation description, it is clear that described embodiments are only a part of the embodiments of the present invention, instead of all the embodiments.It is based on
Embodiment in the present invention, it is obtained by those of ordinary skill in the art without making creative efforts every other
Embodiment shall fall within the protection scope of the present invention.
Fig. 1-5 is please referred to, the present invention provides a kind of technical solution: a kind of depositing dust high efficiency metallurgy electric arc furnaces, including furnace body
1, the bottom of support column 2 and cyclone dust removal case 3, the furnace body 1 is equipped with pedestal 4, and the furnace body 1 is mounted on the upper of the pedestal 4
Side, the pedestal 4, support column 2 and the cyclone dust removal case 3 are arranged in parallel, and the side of the furnace body 1 is equipped with observation window 5, operation
Personnel can observe the case where position and melting of electrode by the observation window 5, and the other side of the furnace body 1 is equipped with heat-insulated
Fixed block 6, the observation window 5 are fixedly welded with the furnace body 1 respectively with the heat-insulated fixed block 6, the heat-insulated fixed block 6
Inside is fixedly installed with hydraulic cylinder 7, and the hydraulic cylinder 7 is arranged in the heat-insulated fixed block 6, effectively increases so described
The service life of hydraulic cylinder 7, the top of the hydraulic cylinder 7 is equipped with hydraulic stem 8, between the hydraulic stem 8 and the hydraulic cylinder 7
It is flexibly connected, the top of the hydraulic stem 8 is equipped with connecting plate 9, is fixedly welded between the connecting plate 9 and the hydraulic stem 8, institute
The top that connecting plate 9 is set to the furnace body 1 is stated, the connecting plate 9 is equipped with an elongated through-hole 10, the inside of the through-hole 10
It is separately installed with adjusting rod 1 and adjusting rod 2 12.
In the present embodiment, the top of the furnace body 1 is respectively equipped with guide holder 1, guide holder 2 14 and guide holder 3 15,
The adjusting rod 1 and the adjusting rod 2 12 are connected to institute by the guide holder 1 and the guide holder 2 14 respectively
State the inner wall of furnace body 1, the inner wall of the guide holder 3 15 is equipped with connecting tube 16, the both ends of the connecting tube 16 be respectively equipped with into
Water pipe 17 and outlet pipe 18, the water inlet pipe 17 and the outlet pipe 18 respectively with the inner wall for being connected to the connecting tube 16 and pass through
It is through at the connecting tube 16.
In the present embodiment, the inner wall of the adjusting rod 1 and the adjusting rod 2 12 is respectively equipped with electrode connection bar 19,
The bottom of the electrode connection bar 19 is equipped with electrode tip 20, the bottom difference of the adjusting rod 1 and the adjusting rod 2 12
Equipped with reducing sleeve 21, the electrode connection bar 19 is connect by the reducing sleeve 21 with the electrode tip 20 respectively, the institute of setting
Stating adjusting rod 1 and the adjusting rod 2 12 can slide in the through-hole 10, realize distance between the electrode tip 20
Change, can satisfy different metallurgy conditions, ensures in electric arc furnaces and most preferably smelt operating condition.
In the present embodiment, the outer wall of the furnace body 1 is respectively equipped with exhaust outlet 22, pressure sensor 23, liquid outlet 24, pumping
Pipe 25 and air inlet pipe 26, the exhaust outlet 22 and the liquid outlet 24 be respectively arranged at the lower section of the hydraulic cylinder 7 and with it is described
Furnace body 1 communicates, and carries out out liquid by the liquid outlet 24 of bottom opening, avoids heat injury when promoting electrode tip and inclination
The security risk when furnace body 1, such mode go out that liquid is more abundant, and the pressure sensor 23 is set to the guide holder 3 15
Side.
In the present embodiment, the support column 2 is set to the side of the furnace body 1, and the top of the support column 2 is close to described
The side of furnace body 1 is equipped with mounting rack 27, and the bottom of the mounting rack 27 is equipped with mounting blocks 28, the support column 2,27 and of mounting rack
It is fixedly welded between the mounting blocks 28, the bottom of the mounting blocks 28 is equipped with dust gathering arrester 29, the inner wall of the dust gathering arrester 29
Measured oxygen concentration instrument 30 is installed, the bottom of the support column 2 is equipped with driving device 31, institute close to the side of the furnace body 1
It states driving device 31 to connect with the measured oxygen concentration instrument 30, the measured oxygen concentration being arranged in the dust gathering arrester 29
Instrument 30 can be used for measuring the oxygen concentration in metallurgical process, so that metallurgy is more efficient.
In the present embodiment, the top of the mounting blocks 28 connects bellows 32, the bellows 32 and the dust gathering arrester 29
Between connected by the mounting blocks 28, the other end of the bellows 32 is equipped with connection air hose 33, the connection air hose 33 and
It is fixedly connected between the bellows 32, the bottom of the connection air hose 33 is connected to the cyclone dust removal case 3.
In the present embodiment, the cyclone dust removal case 3 is set to side of the support column 2 far from the furnace body 1, the rotation
Wind dust cleaning case 3 is equipped with blower 34, the side of blower 34 installation and the cyclone dust removal case 3 far from one end of the support column 2
The other end of side, the blower 34 is equipped with air-exhausting duct 35, drives the dust gathering arrester 29 by metallurgical process by the blower 34
In dust be drawn into handled in the cyclone dust removal case 3 after be then exhausted from, not only will not influence metallurgy be normally carried out, and
And air in effective cleaning shop, it is ensured that the safety of operator, and avoid the pollution of environment.
Working principle: hydraulic cylinder is arranged in heat-insulated fixed block, effectively increases the service life of hydraulic cylinder in this way, even
Fishplate bar is set to the top of furnace body, and connecting plate is equipped with an elongated through-hole, and the inside of through-hole is separately installed with adjusting rod one and adjusts
The inner wall of pole two, adjusting rod one and adjusting rod two is respectively equipped with electrode connection bar, and the bottom of electrode connection bar is equipped with electrode
Head, the adjusting rod one and adjusting rod two of setting can slide in through-hole, realize the change of distance between electrode, can satisfy not
Same metallurgy condition ensures and most preferably smelts operating condition in electric arc furnaces, and the outer wall of furnace body is respectively equipped with exhaust outlet, pressure sensor, goes out
Liquid mouth, exhaust tube and air inlet pipe, exhaust outlet and liquid outlet are respectively arranged at the lower section of hydraulic cylinder and communicate with furnace body, pass through bottom
The liquid outlet of opening carries out out liquid, security risk when avoiding heat injury when promoting electrode and rolling furnace body, such mode
Liquid is more abundant out, and cyclone dust removal case is set to side of the support column far from furnace body, and cyclone dust removal case is set far from one end of support column
There is blower, the other end of blower is equipped with air-exhausting duct, drives dust gathering arrester that the dust in work is drawn into whirlwind by blower and removes
It is then exhausted from after being handled in dirt case, not only will not influence being normally carried out for metallurgy, and air in effective cleaning shop, really
Protect the safety of operator, and avoid the pollution of environment, operator can be observed by observation window electrode position and
The case where melting, the inner wall of the dust gathering arrester are equipped with measured oxygen concentration instrument, and the bottom of the support column is close to the furnace body
Side be equipped with driving device, the driving device connect with the measured oxygen concentration instrument, the oxygen being arranged in dust gathering arrester
Concentration measuring apparatus can be used for measuring the oxygen concentration in metallurgical process, so that metallurgy is more efficient.
It although an embodiment of the present invention has been shown and described, for the ordinary skill in the art, can be with
A variety of variations, modification, replacement can be carried out to these embodiments without departing from the principles and spirit of the present invention by understanding
And modification, the scope of the present invention is defined by the appended.
Claims (7)
1. a kind of depositing dust high efficiency metallurgy electric arc furnaces, including furnace body (1), support column (2) and cyclone dust removal case (3), feature exists
In: the bottom of the furnace body (1) is equipped with pedestal (4), and the furnace body (1) is mounted on the top of the pedestal (4), the pedestal
(4), support column (2) and the cyclone dust removal case (3) are arranged in parallel, and the side of the furnace body (1) is equipped with observation window (5), described
The other side of furnace body (1) is equipped with heat-insulated fixed block (6), the observation window (5) and the heat-insulated fixed block (6) respectively with the furnace
Body (1) is fixedly welded, and the inside of the heat-insulated fixed block (6) is fixedly installed with hydraulic cylinder (7), the top of the hydraulic cylinder (7)
It is equipped with hydraulic stem (8), is flexibly connected between the hydraulic stem (8) and the hydraulic cylinder (7), the top of the hydraulic stem (8)
It equipped with connecting plate (9), is fixedly welded between the connecting plate (9) and the hydraulic stem (8), the connecting plate (9) is set to institute
The top of furnace body (1) is stated, the connecting plate (9) is equipped with an elongated through-hole (10), and the inside of the through-hole (10) is installed respectively
There are adjusting rod one (11) and adjusting rod two (12).
2. a kind of depositing dust high efficiency metallurgy electric arc furnaces according to claim 1, it is characterised in that: the furnace body (1) it is upper
Side is respectively equipped with guide holder one (13), guide holder two (14) and guide holder three (15), the adjusting rod one (11) and the adjusting
Bar two (12) is connected to the inner wall of the furnace body (1), institute by the guide holder one (13) and the guide holder two (14) respectively
The inner wall for stating guide holder three (15) is equipped with connecting tube (16), the both ends of the connecting tube (16) be respectively equipped with water inlet pipe (17) and
Outlet pipe (18), the water inlet pipe (17) and the outlet pipe (18) respectively with the inner wall for being connected to the connecting tube (16) and pass through
It is through at the connecting tube (16).
3. a kind of depositing dust high efficiency metallurgy electric arc furnaces according to claim 1, it is characterised in that: the adjusting rod one (11)
It is respectively equipped with electrode connection bar (19) with the inner wall of the adjusting rod two (12), the bottom of the electrode connection bar (19) is equipped with
The bottom of electrode tip (20), the adjusting rod one (11) and the adjusting rod two (12) is respectively equipped with reducing sleeve (21), the electricity
Pole junction pole (19) is connect by the reducing sleeve (21) with the electrode tip (20) respectively.
4. a kind of depositing dust high efficiency metallurgy electric arc furnaces according to claim 1, it is characterised in that: outside the furnace body (1)
Wall is respectively equipped with exhaust outlet (22), pressure sensor (23), liquid outlet (24), exhaust tube (25) and air inlet pipe (26), the row
Port (22) and the liquid outlet (24) are respectively arranged at the lower section of the hydraulic cylinder (7) and communicate with the furnace body (1), described
Pressure sensor (23) is set to the side of the guide holder three (15).
5. a kind of depositing dust high efficiency metallurgy electric arc furnaces according to claim 1, it is characterised in that: the support column (2) sets
It is placed in the side of the furnace body (1), the top of the support column (2) is equipped with mounting rack (27) close to the side of the furnace body (1),
The bottom of the mounting rack (27) be equipped with mounting blocks (28), the support column (2), mounting rack (27) and the mounting blocks (28) it
Between be fixedly welded, the bottom of the mounting blocks (28) is equipped with dust gathering arrester (29), and the installation of the inner wall of the dust gathering arrester (29) is aerobic
The bottom of gas concentration measuring instrument (30), the support column (2) is equipped with driving device (31) close to the side of the furnace body (1), institute
Driving device (31) is stated to connect with the measured oxygen concentration instrument (30).
6. a kind of depositing dust high efficiency metallurgy electric arc furnaces according to claim 1, it is characterised in that: the mounting blocks (28)
Top connects bellows (32), is connect between the bellows (32) and the dust gathering arrester (29) by the mounting blocks (28),
The other end of the bellows (32) is equipped with connection air hose (33), solid between the connection air hose (33) and the bellows (32)
The bottom of fixed connection, connection air hose (33) is connected to the cyclone dust removal case (3).
7. a kind of depositing dust high efficiency metallurgy electric arc furnaces according to claim 1, it is characterised in that: the cyclone dust removal case
(3) it is set to the side of the support column (2) far from the furnace body (1), the cyclone dust removal case (3) is far from the support column
(2) one end is equipped with blower (34), the avris of blower (34) installation and the cyclone dust removal case (3), the blower (34)
The other end air-exhausting duct (35) are installed.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910754201.3A CN110440610A (en) | 2019-08-15 | 2019-08-15 | A kind of depositing dust high efficiency metallurgy electric arc furnaces |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910754201.3A CN110440610A (en) | 2019-08-15 | 2019-08-15 | A kind of depositing dust high efficiency metallurgy electric arc furnaces |
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| Publication Number | Publication Date |
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| CN110440610A true CN110440610A (en) | 2019-11-12 |
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|---|---|---|---|
| CN201910754201.3A Pending CN110440610A (en) | 2019-08-15 | 2019-08-15 | A kind of depositing dust high efficiency metallurgy electric arc furnaces |
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| CN107560444A (en) * | 2017-09-20 | 2018-01-09 | 辽宁东和新材料股份有限公司 | A kind of collection device and method of electric-melting magnesium shelling exhaust gas dust |
| CN108507346A (en) * | 2018-03-06 | 2018-09-07 | 苏天平 | A kind of depositing dust metallurgy electric arc furnaces |
| CN109612263A (en) * | 2019-01-28 | 2019-04-12 | 徐州金虹钢铁集团有限公司 | A kind of electric arc furnaces |
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2019
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2005085735A1 (en) * | 2004-03-03 | 2005-09-15 | Srecko Prislan | Device for intake, processing and offtake of gases in an arc furnance |
| CN201463505U (en) * | 2009-07-14 | 2010-05-12 | 永州市兴发电熔科技有限公司 | DC arc furnace |
| JP2012031470A (en) * | 2010-07-30 | 2012-02-16 | Jfe Steel Corp | Method of reforming exhaust gas generated from arc furnace, reforming device, and method of manufacturing reformed gas |
| CN102878097A (en) * | 2012-09-21 | 2013-01-16 | 常州安控电器成套设备有限公司 | Control system of dust removal fan of steel mill |
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| CN107560444A (en) * | 2017-09-20 | 2018-01-09 | 辽宁东和新材料股份有限公司 | A kind of collection device and method of electric-melting magnesium shelling exhaust gas dust |
| CN108507346A (en) * | 2018-03-06 | 2018-09-07 | 苏天平 | A kind of depositing dust metallurgy electric arc furnaces |
| CN109612263A (en) * | 2019-01-28 | 2019-04-12 | 徐州金虹钢铁集团有限公司 | A kind of electric arc furnaces |
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| RJ01 | Rejection of invention patent application after publication |
Application publication date: 20191112 |
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| RJ01 | Rejection of invention patent application after publication |