CN110157852A - A kind of horizontal continuous charging system of waste steel for electric furnace preheating - Google Patents
A kind of horizontal continuous charging system of waste steel for electric furnace preheating Download PDFInfo
- Publication number
- CN110157852A CN110157852A CN201910560007.1A CN201910560007A CN110157852A CN 110157852 A CN110157852 A CN 110157852A CN 201910560007 A CN201910560007 A CN 201910560007A CN 110157852 A CN110157852 A CN 110157852A
- Authority
- CN
- China
- Prior art keywords
- furnace
- horizontal
- charging
- core tube
- furnace core
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Pending
Links
- 229910000831 Steel Inorganic materials 0.000 title claims abstract description 35
- 239000010959 steel Substances 0.000 title claims abstract description 35
- 239000002699 waste material Substances 0.000 title claims abstract description 19
- 238000010891 electric arc Methods 0.000 claims abstract description 22
- 238000001816 cooling Methods 0.000 claims abstract description 8
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims description 8
- 239000000498 cooling water Substances 0.000 claims description 5
- UGFAIRIUMAVXCW-UHFFFAOYSA-N Carbon monoxide Chemical compound [O+]#[C-] UGFAIRIUMAVXCW-UHFFFAOYSA-N 0.000 abstract description 7
- 239000003546 flue gas Substances 0.000 abstract description 7
- 238000003723 Smelting Methods 0.000 abstract description 5
- 238000000034 method Methods 0.000 abstract description 5
- 238000005516 engineering process Methods 0.000 abstract description 3
- 238000010438 heat treatment Methods 0.000 abstract description 3
- 230000008569 process Effects 0.000 abstract description 3
- 239000000463 material Substances 0.000 description 6
- 238000010586 diagram Methods 0.000 description 5
- 239000007789 gas Substances 0.000 description 4
- 239000000428 dust Substances 0.000 description 3
- XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical compound [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 description 2
- 230000008901 benefit Effects 0.000 description 2
- 230000007613 environmental effect Effects 0.000 description 2
- 230000006872 improvement Effects 0.000 description 2
- 238000012423 maintenance Methods 0.000 description 2
- 238000011084 recovery Methods 0.000 description 2
- 238000011160 research Methods 0.000 description 2
- 238000009628 steelmaking Methods 0.000 description 2
- 239000002918 waste heat Substances 0.000 description 2
- 238000005299 abrasion Methods 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000000903 blocking effect Effects 0.000 description 1
- 238000004140 cleaning Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000005265 energy consumption Methods 0.000 description 1
- 229910052742 iron Inorganic materials 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 238000003032 molecular docking Methods 0.000 description 1
- 238000005457 optimization Methods 0.000 description 1
- 238000007254 oxidation reaction Methods 0.000 description 1
- 239000002994 raw material Substances 0.000 description 1
- 238000007790 scraping Methods 0.000 description 1
- 230000032258 transport Effects 0.000 description 1
- 238000003466 welding Methods 0.000 description 1
Classifications
-
- C—CHEMISTRY; METALLURGY
- C21—METALLURGY OF IRON
- C21C—PROCESSING OF PIG-IRON, e.g. REFINING, MANUFACTURE OF WROUGHT-IRON OR STEEL; TREATMENT IN MOLTEN STATE OF FERROUS ALLOYS
- C21C5/00—Manufacture of carbon-steel, e.g. plain mild steel, medium carbon steel or cast steel or stainless steel
- C21C5/52—Manufacture of steel in electric furnaces
- C21C5/527—Charging of the electric furnace
-
- C—CHEMISTRY; METALLURGY
- C21—METALLURGY OF IRON
- C21C—PROCESSING OF PIG-IRON, e.g. REFINING, MANUFACTURE OF WROUGHT-IRON OR STEEL; TREATMENT IN MOLTEN STATE OF FERROUS ALLOYS
- C21C2100/00—Exhaust gas
- C21C2100/06—Energy from waste gas used in other processes
-
- 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
Abstract
The technology of the present invention discloses a kind of horizontal continuous charging system of waste steel for electric furnace preheating, including feed system and horizontal charging furnace.The feed inlet of the horizontal charging furnace is docked with the pusher of feed system, and discharge port is docked with the 4th hole of electric arc furnaces, and the lower section of level charging furnace is equipped with the flue communicated therewith, and bottom plate is equipped with cooling system.The waste steel for electric furnace preheats horizontal continuous charging system, continuously pushes away steel using pusher, and bundled scrap is continuously pushed to horizontal charging furnace, after the high-temperature flue gas heating that steel scrap is discharged through the 4th hole of electric arc furnaces, into electric arc furnaces.This horizontal continuous charging system of waste steel for electric furnace preheating can shorten smelting cycle energetically, and efficiently solve the problems such as thermal efficiency in steel scrap treatment process is low, structure is complicated, space occupied is big, input cost is high, high failure rate.
Description
Technical field
The invention belongs to electric arc furnace smelting fields, and in particular to a kind of horizontal continuous charging system of waste steel for electric furnace preheating.
Background technique
Electric arc furnaces mini-mill steelmaking technique has concentrated current advanced steel-smelting technology, with it in investment, efficiency, section
The advantage of energy, benefit energy, environmental protection etc., becomes one of the two big main flows of world steel production.It is well known that scrap steel preheating
It is one of energy-efficient important technology of electric furnace steel making.In the past 20 years, domestic major scientific research system, heavy industry equipment manufacturer, smelter
Various improvement and optimization are done on scrap steel preheating and electric furnace charging mode.In line with safety, energy-saving and environmental protection, raising
Steel scrap lumber recovery is principle, my company puts into a large amount of manpower and material resources researchs for many years and continuously improves and innovate, successfully grinds finally
The horizontal continuous charging system of the completely new waste steel for electric furnace preheating of this set is sent out.
Summary of the invention
The present invention provides a kind of horizontal continuous charging system of waste steel for electric furnace preheating, efficiently solves that the thermal efficiency is low, structure
Complicated, the problems such as space occupied is big, input cost is high, high failure rate.
To achieve the above object, the present invention is implemented with the following technical solutions:
A kind of horizontal continuous charging system of waste steel for electric furnace preheating, including feed system, horizontal charging furnace.The horizontal charging
The feed inlet of furnace is docked with the pusher of feed system, and discharge port is docked with the 4th hole of electric arc furnaces.Feed system is by steel scrap pressure
Block continuously pushes to horizontal charging furnace, and eventually enters into electric arc furnaces, and the lower section of level charging furnace is equipped with the flue communicated therewith, water
Flat charging drop-bottom is equipped with cooling system.
The cooling system includes water-cooled block as a preferred embodiment of the above solution, and muti-piece box-shaped water-cooled block is along horizontal charging furnace
Length direction is simultaneously arranged in horizontal charging furnace bottom, constitutes the bottom plate of horizontal charging furnace, and each water-cooled block be connected separately with into,
Outlet conduit forms independent circulating water circuit.
The horizontal charging furnace includes the bell of two pieces of furnace walls and top disposed in parallel as a preferred embodiment of the above solution,
Plate, the stove cover plate be it is spliced together, the lower sidewall of the furnace wall is equipped with deashing window.
The feed system includes pusher, deflector chute, furnace core tube as a preferred embodiment of the above solution, and the deflector chute is worn
Cross vertical gas pass be connected to the feed inlet of horizontal charging furnace, guide trough floor aperture, be equipped with above guide trough floor run through furnace body,
And the furnace core tube for being connected to the more horizontal parallels setting of pusher and being arranged along furnace wall inside, bundled scrap are placed in deflector chute
Interior, pusher is set to one end of deflector chute, and the push rod front end of pusher is connected with push plate, and pusher is continuously pushed useless by push plate
Bundled scrap is pushed into horizontal charging furnace by steel briquetting.
The furnace core tube includes furnace core tube body and coaxial arrangement on furnace core tube body as a preferred embodiment of the above solution,
Cylindrical body, the cylindrical body are contacted with bundled scrap.
The horizontal charging furnace lower part is fixed with furnace core tube stull as a preferred embodiment of the above solution, and furnace core tube stull is along water
The length direction setting of flat charging furnace, both ends are fixed on horizontal charging furnace sidewall, and furnace core tube stull is set to horizontal charging furnace furnace
Above bottom, below furnace core tube, it is used to support furnace core tube and keeps bundled scrap material aerial.
Circulation has cooling water respectively inside the furnace core tube body and furnace core tube stull as a preferred embodiment of the above solution,.
Due to above structure, the beneficial effects of the present invention are:
1, horizontal charging furnace of the invention is connected to electric arc furnaces, and the high-temperature flue gas in electric arc furnaces is able to enter horizontal charging furnace
Bundled scrap is preheated, and the bundled scrap direction of motion in the high-temperature flue gas in electric arc furnaces and horizontal charging furnace on the contrary,
And directly contacted along bundled scrap surrounding with bundled scrap and carry out heat exchange, so bundled scrap can be preheated to 500 degree or more, and
The raising of bundled scrap preheating temperature significantly reduces the energy consumption of electric arc furnaces, saves electric energy and reaches 10%, and can be avoided useless
Steel briquetting is added directly into the high-temperature oxydation problem generated in electric arc furnaces, so that the treatment effect to bundled scrap is more preferable；
2, the circulation waterway in the water-cooled block and furnace core tube of horizontal charging drop-bottom setting, can reduce high temperature and cause furnace core
The damage of pipe and furnace body bottom plate (water-cooled block), so that steel scrap treatment process is more safe and reliable；
3, the stove cover plate of horizontal charging furnace uses spliced together, can cover maintenance convenient for taking off；Furnace wall lower part is equipped with clear
Grey window, can be convenient for fines, the dust in cleaning furnace body bottom plate (water-cooled block) at any time；The furnace core tube being arranged in level charging furnace is horizontal
Support and furnace core tube so that waste heat flue gas passes through from bundled scrap material surrounding, and then increase the heating surface area of bundled scrap；
4, this waste steel for electric furnace preheats horizontal continuous charging system and pushes bundled scrap using pusher horizontal continuity, transports speed
Degree is fast, and pusher process continuously uninterruptedly heats steel scrap, and steel scrap amount needed for being able to satisfy every furnace steel substantially reduces smelting cycle；
5, the horizontal continuous charging system raw material range of choice of waste steel for electric furnace preheating is extensive, makes full use of steel scrap thin material,
Improve lumber recovery 5%；Durability is strong, failure rate is low, is easy to overhaul and safeguard；And it is at low cost, easy to operate, not by electric arc heat size
Amount limitation, it is more economical practical.
Detailed description of the invention
To describe the technical solutions in the embodiments of the present invention more clearly, make required in being described below to embodiment
Attached drawing is briefly described.
Fig. 1, Fig. 2 are overall structure diagram of the invention；
Fig. 3, Fig. 4 are the horizontal furnace structure schematic diagram that feeds of the present invention；
Fig. 5 is feed system structural schematic diagram of the present invention；
Fig. 6 is furnace core tube structural schematic diagram of the present invention；
Fig. 7 is water cooling block structure schematic diagram of the present invention.
Specific embodiment
Below in conjunction with attached drawing of the invention, technical solution of the present invention is clearly and completely described.Based on this hair
Embodiment in bright, every other implementation obtained by those of ordinary skill in the art without making creative efforts
Example, shall fall within the protection scope of the present invention.
As shown in Figures 1 to 7, the present invention provides a kind of horizontal continuous charging system of waste steel for electric furnace preheating, including charging system
System 1, horizontal charging furnace 2.The feed inlet of the horizontal charging furnace 2 is docked with the pusher of feed system 1, discharge port and electric arc furnaces
The docking of the 4th hole, the high pressure flue gas in electric arc furnaces can enter horizontal charging furnace 2 by the 4th hole, in level charging furnace 2
Bundled scrap preheated；The pusher of the feed system 1 is set to the feed inlet side of horizontal charging furnace 2, feed system 1
Bundled scrap is continuously pushed to horizontal charging furnace 2, and is eventually entered into electric arc furnaces；The lower section of level charging furnace 2 is equipped with and it
The flue 3 of connection, level charging 2 bottom plate of furnace are equipped with cooling system 4.
The cooling system 4 includes water-cooled block, and muti-piece box-shaped water-cooled block 4 is along level charging 2 length direction of furnace and is arranged in
Level charging 2 bottom of furnace constitutes the bottom plate of horizontal charging furnace 2, and each water-cooled block 4 is connected separately with 41 He of water inlet line
Outlet conduit 42 forms independent circulating water circuit, can be independent if leak occurs in some water-cooled block 4 therein
Its water route is closed to be repaired.
Level charging furnace 2 includes the stove cover plate 21 of two pieces of furnace walls 22 and top disposed in parallel, and the stove cover plate 21 is more
Block is spliced, and in order to need to only open the stove cover plate of corresponding position in maintenance, the lower sidewall of the furnace wall is equipped with deashing
Window 23, in order to fines, the dust cleared up on water-cooled block 4 at any time.
The feed system 1 includes pusher 11, deflector chute 12, furnace core tube 13.The deflector chute 12 passes through vertical gas pass 3
It is connected to the feed inlet of horizontal charging furnace 2；12 bottom plate aperture of deflector chute, convenient for iron filings, oxide skin, the dust in bundled scrap material
Equal fineves fall into horizontal charging stokehold, and are collected by the slideway under guide trough floor, avoid enter into level charging furnace
Fines, which falls, after interior blocks burner hearth channel.More for running through furnace body and being connected to pusher 11 are equipped with above 12 bottom plate of deflector chute
The furnace core tube 13 horizontal parallel setting and be arranged on the inside of the furnace wall, its role is to support the weight of bundled scrap, and make its
It is maked somebody a mere figurehead in furnace, reduces frictional force when bundled scrap promotes, while preventing bundled scrap from scraping furnace wall.Bundled scrap is placed in guide
In slot 12, pusher 11 is set to one end of deflector chute 12, and the push rod front end of pusher 11 is connected with push plate 14, and pusher 11 passes through
Push plate 14 continuously pushes bundled scrap, and bundled scrap is pushed into horizontal charging furnace 2, smelting cycle is substantially reduced.
Horizontal charging 2 lower part of furnace is fixed with furnace core tube stull 15, length of the furnace core tube stull 15 along horizontal charging furnace 2
Direction setting, the both ends of furnace core tube stull 15 are fixed on horizontal charging 2 side wall of furnace, and furnace core tube stull 15 is arranged set on horizontal parallel
The lower section of furnace core tube 13, be used to support furnace core tube 13.The furnace core tube 13 being arranged on the inside of furnace wall can be direct by welding manner
It is fixed on the inside of furnace wall.The setting of furnace core tube stull 15 and furnace core tube 13, so that waste heat flue gas passes through from bundled scrap material surrounding,
And then increase the heating surface area of bundled scrap.
The furnace core tube 13 includes furnace core tube body 131 and coaxial arrangement in the cylindrical body 132 on furnace core tube body, described
Cylindrical body 132 and bundled scrap following table face contact, avoid abrasion of the bundled scrap to furnace core tube body 131.
Circulation has cooling water, and every furnace core tube 13, furnace core respectively in the furnace core tube body 131 and furnace core tube stull 15
Pipe stull 15 has individual circulation waterway, and cooling water is flowed out by flowing into close to electric arc furnaces side from close feed system side,
Form circulation waterway.
In use, steel scrap is compressed blocking, then bundled scrap is launched in deflector chute 12, is placed on furnace core tube 13,
Start pusher 11, pusher 11 continuously pushes bundled scrap by the push plate 14 of push rod front end, continual to feed to level
Feed in furnace 2, while feed system 1 is fed, the high-temperature gas in electric arc furnaces enters level by the 4th hole of electric arc furnaces
It feeding in furnace 2, it is preheated across bundled scrap, the bundled scrap after preheating, which eventually enters into electric arc furnaces, to be handled,
Flue gas in level charging furnace 2 passes through the flue 3 communicated therewith and is discharged.In warm, as horizontal charging 2 bottom plate of furnace
Recirculated cooling water in water-cooled block 4 and furnace core tube 13 can cool down gas in level charging furnace 2, can reduce high temperature
Cause the damage of furnace core tube 13 and horizontal charging drop-bottom (water-cooled block 4).
These are only the preferred embodiment of the present invention, is not intended to restrict the invention, for those skilled in the art
For member, the invention may be variously modified and varied.All within the spirits and principles of the present invention, it is made it is any modification,
Equivalent replacement, improvement etc., should all be included in the protection scope of the present invention.
Claims (7)
1. a kind of waste steel for electric furnace preheats horizontal continuous charging system, it is characterised in that: including feed system, horizontal charging furnace, institute
The feed inlet for stating horizontal charging furnace is docked with the pusher of feed system, and discharge port is docked with the 4th hole of electric arc furnaces, charging system
Bundled scrap is continuously pushed to horizontal charging furnace by system, and eventually enters into electric arc furnaces, and the lower section of level charging furnace is equipped with to be connected with it
Logical flue, level charging drop-bottom are equipped with cooling system.
2. waste steel for electric furnace according to claim 1 preheats horizontal continuous charging system, it is characterised in that: the cooling system
Including water-cooled block, muti-piece box-shaped water-cooled block is along horizontal charging furnace length direction and is arranged in horizontal charging furnace bottom, constitutes horizontal
The bottom plate of charging furnace, and each water-cooled block is connected separately with water-in and water-out pipeline, forms independent circulating water circuit.
3. waste steel for electric furnace according to claim 1 preheats horizontal continuous charging system, it is characterised in that: the horizontal charging
Furnace includes the stove cover plate of two pieces of furnace walls and top disposed in parallel, and the stove cover plate is spliced together, the side of the furnace wall
Wall lower part is equipped with deashing window.
4. waste steel for electric furnace according to claim 3 preheats horizontal continuous charging system, it is characterised in that: the feed system
Including pusher, deflector chute, furnace core tube, the deflector chute passes through vertical gas pass and is connected to the feed inlet of horizontal charging furnace, guide
Trough floor aperture, guide trough floor top are equipped with through furnace body and are connected to the more horizontal parallels setting of pusher and along furnace
The furnace core tube being arranged on the inside of wall, bundled scrap are placed in deflector chute, and pusher is before one end of deflector chute, the push rod of pusher
End is connected with push plate, and pusher continuously pushes bundled scrap by push plate, and bundled scrap is pushed into horizontal charging furnace.
5. waste steel for electric furnace according to claim 4 preheats horizontal continuous charging system, it is characterised in that: the furnace core tube packet
Furnace core tube body and coaxial arrangement are included in the cylindrical body on furnace core tube body, the cylindrical body is contacted with bundled scrap, furnace core tube
Distribution by more horizontal furnace core tubes and along furnace wall arrangement furnace core tube form.
6. waste steel for electric furnace according to claim 5 preheats horizontal continuous charging system, it is characterised in that: the horizontal charging
Furnace lower part is fixed with furnace core tube stull, length direction setting of the more furnace core tube stulls along horizontal charging furnace, furnace core tube cross
The both ends of support are fixed on horizontal charging furnace sidewall, and furnace core tube stull is set to below horizontal furnace core tube, are used to support horizontal furnace core tube.
7. waste steel for electric furnace according to claim 6 preheats horizontal continuous charging system, it is characterised in that: the furnace core tube sheet
Circulation has cooling water respectively inside body and furnace core tube stull.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910560007.1A CN110157852A (en) | 2019-06-26 | 2019-06-26 | A kind of horizontal continuous charging system of waste steel for electric furnace preheating |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910560007.1A CN110157852A (en) | 2019-06-26 | 2019-06-26 | A kind of horizontal continuous charging system of waste steel for electric furnace preheating |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN110157852A true CN110157852A (en) | 2019-08-23 |
Family
ID=67626888
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201910560007.1A Pending CN110157852A (en) | 2019-06-26 | 2019-06-26 | A kind of horizontal continuous charging system of waste steel for electric furnace preheating |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN110157852A (en) |
Citations (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH07151470A (en) * | 1993-11-29 | 1995-06-16 | Nippon Steel Corp | Scrap continuously charging device |
| CN2697565Y (en) * | 2004-03-25 | 2005-05-04 | 李振洪 | Horizontal continuous waste steel feeding preheater for arc furnace steel making |
| CN2906510Y (en) * | 2006-03-24 | 2007-05-30 | 李振洪 | Horizontal continuous-charging scrap preheating device for electric arc steel smelting furnace |
| CN201413039Y (en) * | 2009-06-12 | 2010-02-24 | 中冶赛迪工程技术股份有限公司 | Device for continuously charging and preheating metal balk cargo of electric furnace |
| WO2011091685A1 (en) * | 2010-02-01 | 2011-08-04 | 中冶赛迪工程技术股份有限公司 | Preheating and conveying equipment for steel scrap |
| CN103586389A (en) * | 2013-11-16 | 2014-02-19 | 彭亦楚 | Push type continuous forging furnace |
| CN107460274A (en) * | 2017-09-22 | 2017-12-12 | 中冶赛迪工程技术股份有限公司 | A kind of horizontal continuity charging preheating device and its strengthening preheating method |
| CN109237950A (en) * | 2018-09-14 | 2019-01-18 | 河南太行全利重工股份有限公司 | Continuous charging pre-heating device |
| CN109517941A (en) * | 2018-12-29 | 2019-03-26 | 中冶京诚工程技术有限公司 | A kind of horizontal continuity feeds vertical scrap preheater and its application |
| CN210560555U (en) * | 2019-06-26 | 2020-05-19 | 孝感金达钢铁有限公司 | Electric furnace scrap steel preheating horizontal continuous feeding system |
-
2019
- 2019-06-26 CN CN201910560007.1A patent/CN110157852A/en active Pending
Patent Citations (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH07151470A (en) * | 1993-11-29 | 1995-06-16 | Nippon Steel Corp | Scrap continuously charging device |
| CN2697565Y (en) * | 2004-03-25 | 2005-05-04 | 李振洪 | Horizontal continuous waste steel feeding preheater for arc furnace steel making |
| CN2906510Y (en) * | 2006-03-24 | 2007-05-30 | 李振洪 | Horizontal continuous-charging scrap preheating device for electric arc steel smelting furnace |
| CN201413039Y (en) * | 2009-06-12 | 2010-02-24 | 中冶赛迪工程技术股份有限公司 | Device for continuously charging and preheating metal balk cargo of electric furnace |
| WO2011091685A1 (en) * | 2010-02-01 | 2011-08-04 | 中冶赛迪工程技术股份有限公司 | Preheating and conveying equipment for steel scrap |
| CN103586389A (en) * | 2013-11-16 | 2014-02-19 | 彭亦楚 | Push type continuous forging furnace |
| CN107460274A (en) * | 2017-09-22 | 2017-12-12 | 中冶赛迪工程技术股份有限公司 | A kind of horizontal continuity charging preheating device and its strengthening preheating method |
| CN109237950A (en) * | 2018-09-14 | 2019-01-18 | 河南太行全利重工股份有限公司 | Continuous charging pre-heating device |
| CN109517941A (en) * | 2018-12-29 | 2019-03-26 | 中冶京诚工程技术有限公司 | A kind of horizontal continuity feeds vertical scrap preheater and its application |
| CN210560555U (en) * | 2019-06-26 | 2020-05-19 | 孝感金达钢铁有限公司 | Electric furnace scrap steel preheating horizontal continuous feeding system |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN101724726B (en) | Method and device for ironmaking by smelting | |
| CN204085215U (en) | A kind of electrical arc furnace flue gas waste heat utilization device | |
| CN105087862A (en) | Scrap steel preheating-type heating furnace for steel production conducted through medium-frequency electric furnace | |
| CN102620554B (en) | Industrial furnace for non-ferrous metal smelting | |
| CN108624733B (en) | Steel ingot refining waste heat recycling device | |
| CN101915502A (en) | Method for regulating oxygen atmosphere in fuel oil (gas) reverberatory furnace by using recovered fume | |
| CN204836640U (en) | High -power microwave high temperature heating device | |
| CN109971916B (en) | Device and method for preheating scrap steel by using converter waste gas | |
| CN103468955A (en) | New scrap copper smelting technology | |
| CN110157852A (en) | A kind of horizontal continuous charging system of waste steel for electric furnace preheating | |
| CN210560555U (en) | Electric furnace scrap steel preheating horizontal continuous feeding system | |
| CN106635167A (en) | Submerged arc furnace capable of preventing charging material from spattering, and rotary kiln combined smelting system | |
| CN109883210A (en) | A kind of blast furnace cinder residual neat recovering system and method | |
| CN202582151U (en) | Industrial furnace for smelting nonferrous metal | |
| CN106191431B (en) | A kind of reduction reaction system and method for the aqueous pelletizing of lateritic nickel ore | |
| CN213453687U (en) | Device for reducing air leakage of boiler bottom dry slag discharge | |
| CN104152609B (en) | blast furnace slag waste heat recycling system | |
| CN104344726B (en) | Vanadium goods raw material preheating system | |
| CN202002461U (en) | Fuel reverberatory furnace preparing oxygen atmosphere inside combustion chamber by recovered flue gas | |
| CN202216510U (en) | Vertical rapid reduction furnace | |
| CN206204385U (en) | A kind of reduction reaction system of the aqueous pelletizing of lateritic nickel ore | |
| CN204111835U (en) | Ore reduces continuously and send steel-smelting device with heat | |
| CN204555722U (en) | A kind of smelting apparatus | |
| CN109631569A (en) | A kind of environmentally friendly smelting rotary kiln handling the cadmium of lead containing zinc-iron dangerous waste material | |
| CN203794917U (en) | Device for recycling sensible heat of molten blast furnace slag |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination |