CN109114980A - A kind of energy-efficient mineral hot furnace - Google Patents
A kind of energy-efficient mineral hot furnace Download PDFInfo
- Publication number
- CN109114980A CN109114980A CN201811163334.5A CN201811163334A CN109114980A CN 109114980 A CN109114980 A CN 109114980A CN 201811163334 A CN201811163334 A CN 201811163334A CN 109114980 A CN109114980 A CN 109114980A
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- mineral hot
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- 229910052500 inorganic mineral Inorganic materials 0.000 title claims abstract description 71
- 239000011707 mineral Substances 0.000 title claims abstract description 71
- 238000002156 mixing Methods 0.000 claims description 23
- 239000002003 electrode paste Substances 0.000 claims description 10
- 230000005611 electricity Effects 0.000 claims description 5
- 238000004519 manufacturing process Methods 0.000 abstract description 10
- 238000012840 feeding operation Methods 0.000 abstract description 4
- 238000012423 maintenance Methods 0.000 abstract description 4
- 230000002452 interceptive effect Effects 0.000 abstract 1
- 239000007789 gas Substances 0.000 description 31
- VYPSYNLAJGMNEJ-UHFFFAOYSA-N Silicium dioxide Chemical compound O=[Si]=O VYPSYNLAJGMNEJ-UHFFFAOYSA-N 0.000 description 29
- XEEYBQQBJWHFJM-UHFFFAOYSA-N iron Substances [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 description 26
- 239000002994 raw material Substances 0.000 description 17
- 239000000377 silicon dioxide Substances 0.000 description 15
- 239000003610 charcoal Substances 0.000 description 13
- 229910052742 iron Inorganic materials 0.000 description 13
- 238000000034 method Methods 0.000 description 10
- 239000000463 material Substances 0.000 description 8
- 238000003723 Smelting Methods 0.000 description 7
- 238000010438 heat treatment Methods 0.000 description 6
- 230000008569 process Effects 0.000 description 6
- 239000000203 mixture Substances 0.000 description 5
- UGFAIRIUMAVXCW-UHFFFAOYSA-N Carbon monoxide Chemical compound [O+]#[C-] UGFAIRIUMAVXCW-UHFFFAOYSA-N 0.000 description 4
- 238000010586 diagram Methods 0.000 description 4
- 239000003546 flue gas Substances 0.000 description 4
- 229910000519 Ferrosilicon Inorganic materials 0.000 description 3
- 241001062472 Stokellia anisodon Species 0.000 description 3
- 238000004140 cleaning Methods 0.000 description 3
- 238000005265 energy consumption Methods 0.000 description 3
- 229910001021 Ferroalloy Inorganic materials 0.000 description 2
- 238000004939 coking Methods 0.000 description 2
- 230000000875 corresponding effect Effects 0.000 description 2
- 238000013461 design Methods 0.000 description 2
- 238000010891 electric arc Methods 0.000 description 2
- 230000007246 mechanism Effects 0.000 description 2
- 238000003825 pressing Methods 0.000 description 2
- 230000001105 regulatory effect Effects 0.000 description 2
- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 description 1
- 229910000640 Fe alloy Inorganic materials 0.000 description 1
- 229910005347 FeSi Inorganic materials 0.000 description 1
- 238000007630 basic procedure Methods 0.000 description 1
- OSMSIOKMMFKNIL-UHFFFAOYSA-N calcium;silicon Chemical compound [Ca]=[Si] OSMSIOKMMFKNIL-UHFFFAOYSA-N 0.000 description 1
- 230000008859 change Effects 0.000 description 1
- 229910052681 coesite Inorganic materials 0.000 description 1
- 239000000571 coke Substances 0.000 description 1
- 238000002485 combustion reaction Methods 0.000 description 1
- 238000010924 continuous production Methods 0.000 description 1
- 230000002596 correlated effect Effects 0.000 description 1
- 229910052906 cristobalite Inorganic materials 0.000 description 1
- 238000007599 discharging Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 239000010439 graphite Substances 0.000 description 1
- 229910002804 graphite Inorganic materials 0.000 description 1
- 230000005484 gravity Effects 0.000 description 1
- 239000004615 ingredient Substances 0.000 description 1
- 238000004093 laser heating Methods 0.000 description 1
- 238000000465 moulding Methods 0.000 description 1
- 230000001590 oxidative effect Effects 0.000 description 1
- 238000012545 processing Methods 0.000 description 1
- 230000035484 reaction time Effects 0.000 description 1
- 230000009467 reduction Effects 0.000 description 1
- 230000008439 repair process Effects 0.000 description 1
- 230000004044 response Effects 0.000 description 1
- 238000003892 spreading Methods 0.000 description 1
- 230000007480 spreading Effects 0.000 description 1
- 229910052682 stishovite Inorganic materials 0.000 description 1
- 229910052905 tridymite Inorganic materials 0.000 description 1
- 238000003466 welding Methods 0.000 description 1
Classifications
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F27—FURNACES; KILNS; OVENS; RETORTS
- F27B—FURNACES, KILNS, OVENS, OR RETORTS IN GENERAL; OPEN SINTERING OR LIKE APPARATUS
- F27B17/00—Furnaces of a kind not covered by any preceding group
-
- 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
- F27D13/00—Apparatus for preheating charges; Arrangements for preheating charges
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Vertical, Hearth, Or Arc Furnaces (AREA)
Abstract
The present invention relates to a kind of energy-efficient mineral hot furnaces.The energy-efficient mineral hot furnace includes furnace body, is provided with feed opening at the top of furnace body, further includes at least one electrode being set on sidewall of the furnace body, and the electrode, which has, protrudes into the intracorporal working end of furnace, and the working end is horizontally disposed.Energy-efficient mineral hot furnace provided by the invention can get out of the way the space above furnace body by the way that electrode is laterally disposed, consequently facilitating the progress of feeding operation, keep adjustment operation and the feeding operation of electrode independent mutually, avoids interfering with each other between two kinds of operations, improve production efficiency and maintenance efficiency.
Description
Technical field
The invention belongs to mineral hot furnace fields, and in particular to a kind of energy-efficient mineral hot furnace.
Background technique
Mineral hot furnace is the ore reduction furnace of ferroalloy smelting.With this device smelt ferroalloy kind mainly have ferrosilicon,
Calcium-silicon, silicomangan, silicochromium etc..The basic procedure of smelting iron alloy in ore roaster is: the furnace charge mixed is packed into
In furnace, electrode is embedded in furnace charge, is heated and is melted by the resistance heat that furnace charge generates by electric arc and electric current.Mineral hot furnace
Smelt production be continuous highly endothermic process, thus a large amount of energy consumption can be generated, rationally design the structure pair of mineral hot furnace
It is energy-saving to play a significant role.
Notification number is that the Chinese patent of CN105987601B discloses a kind of mineral hot furnace, including furnace body, on the bell of furnace body
It is inserted with electrode vertically, one end that electrode protrudes into furnace body extends to the bottom of furnace body along the vertical direction, is provided with above furnace body
Feeding device is provided with furnace gas export on furnace body, and air inlet, furnace gas export and air inlet are provided on feeding device and passes through mine heat
Furnace gas pipeline is connected.The mineral hot furnace preheats the mixture in feeding device by the realization of mineral hot furnace feed channel, improves
The UTILIZATION OF VESIDUAL HEAT IN of mineral hot furnace improves capacity usage ratio.Mineral hot furnace needs often to adjust electrode condition and object in process of production
Material state, and the charging of existing mineral hot furnace and electrode adjustment operation are extremely inconvenient, and maintenance cycle is long, cause production efficiency and
Maintenance efficiency is lower, is not able to satisfy efficient, the continuous production demand of mineral hot furnace.
Summary of the invention
The purpose of the present invention is to provide a kind of energy-efficient mineral hot furnaces, to solve the production efficiency and dimension of existing mineral hot furnace
Repair the lower problem of efficiency.
To achieve the above object, the technical solution of energy-efficient mineral hot furnace of the invention is:
A kind of energy-efficient mineral hot furnace, including furnace body, furnace body top are provided with feed opening, further include being set to sidewall of the furnace body
On at least one electrode, the electrode, which has, protrudes into the intracorporal working end of furnace, and the working end is horizontally disposed.
Energy-efficient mineral hot furnace provided by the invention can get out of the way the space above furnace body by the way that electrode is laterally disposed, from
And it is convenient for the progress of feeding operation, keep the adjustment operation of electrode and feeding operation independent mutually, avoids the phase between two kinds of operations
Mutually interference improves production efficiency and maintenance efficiency.
For improve mineral hot furnace production capacity, it is preferred that the section of the furnace body in the horizontal direction be it is rectangular, the two of furnace body
It is respectively arranged with first electrode group and second electrode group in a opposing sidewalls, the first electrode group includes in the horizontal direction successively
Spaced at least two first electrode, the second electrode group include in the horizontal direction successively spaced at least two
Second electrode.As can be seen that electrode can make the structure setting of furnace body more flexible using transversal arrangement, expansion furnace can be facilitated
Body structure increases yield.For the heating effect for further increasing electrode, it is preferred that the first electrode and second electrode are successively
It is interspersed.
For the heating efficiency for further increasing electrode, the production efficiency of mineral hot furnace is improved, it is preferred that the quantity of the electrode
It is circumferentially evenly spaced on for two or more and along furnace body.
From take into account heated by electrodes efficiency and reduce electrode cost aspect, it is preferred that the electrode be self-baking electrode.From
Baked electrode can be lost in smelting process, electrode paste can be made constantly to sinter electrode by electrode paste Fluctuation Device, and make
Laser heating is realized in the electrode embedment material being fired into.The electrode placed using conventional vertical mode, electrode is in decentralization process
In, the decentralization power that roasting electrode can be applied by self gravity and discharging mechanism simultaneously is very easy to because of stress not
Cause electrode that hard disconnected or soft disconnected phenomenon occurs, and electrode is horizontally disposed, and electrode is during pressing, mainly by electrode
Pressing the thrust that mechanism setting applies pushes electrode to move into furnace body, dramatically electrode can be avoided to be moved through into furnace
Unbalance stress phenomenon in journey, thus it is possible to prevente effectively from electrode hard breakage or soft disconnected phenomenon generation.
For convenience of feeding into mineral hot furnace, the utilization efficiency of mineral hot furnace gas is further increased, it is preferred that the furnace body upper end
It is provided with furnace gas export；Feeding device is connected on the feed opening, the feeding device includes blending bunker, blending bunker
Discharge port is connected with the feed opening, and the air inlet being connected to the furnace gas export on furnace body is provided on blending bunker.Passing through will
Electrode is laterally disposed, can get out of the way the space above furnace body, consequently facilitating the arrangement of feeding device, the structure that can simplify mineral hot furnace is set
The path of mineral hot furnace gas UTILIZATION OF VESIDUAL HEAT IN is counted and can be reduced, and then reduces heat loss, improves the sensible heat utilization of mineral hot furnace gas.
For the utilization efficiency for further improving mineral hot furnace gas, it is preferred that the furnace body upper end is provided with furnace gas export；Institute
It states and is connected with feeding device on feed opening, the feeding device includes blending bunker and surge bin, and the surge bin goes out
Material mouth is connected with the feed inlet of the blending bunker, and the air inlet being connected to the furnace gas export on furnace body is provided on surge bin
Mouthful, it is additionally provided with burner in surge bin, the burner is connected with the air inlet of surge bin.
When mineral hot furnace raw material contains raw material of wood-charcoal, to avoid raw material of wood-charcoal oxidizing fire, preheating method can be used and improve raw material of wood-charcoal temperature, adopt
The temperature of the raw materials such as silica is improved with heating method, and then reasonable raw material heating side can be set according to the heterogeneity of raw material
Formula reduces production energy consumption, in such a case, it is further preferred that institute so as to improve the material temperature for entering mineral hot furnace
Stating feeding device further includes pre- hot aggregate bin, and the discharge port of the pre- hot aggregate bin is connected with the feed inlet of the blending bunker, preheating
The air inlet being connected to the furnace gas export on furnace body is provided on feed bin.
Detailed description of the invention
Fig. 1 is the structural schematic diagram of the energy-efficient mineral hot furnace of the embodiment of the present invention 1；
Fig. 2 is the structural schematic diagram of self-baking electrode in the embodiment of the present invention 1；
Fig. 3 is the production technology figure of ferrosilicon smelting in the embodiment of the present invention 1；
Fig. 4 is the structural schematic diagram of the energy-efficient mineral hot furnace of the embodiment of the present invention 2；
Fig. 5 is the furnace structure schematic diagram of the energy-efficient mineral hot furnace of the embodiment of the present invention 3；
In figure, 1- furnace body, 2- cylinder side wall, 3- hemispherical bottom wall, 4- distributing device, 5- blending bunker, 6- feeder pipe, 7-
Mineral hot furnace feed channel, 8- mineral hot furnace gas outlet conduit, 9- feed opening, 10- silica surge bin, 11- iron charge surge bin, 12-
The pre- hot aggregate bin of raw material of wood-charcoal, 13- proportioner, 20- first electrode, 21- second electrode, 22- third electrode, the 4th electrode of 23-, 24-
5th electrode, the 6th electrode of 25-, the 7th electrode of 26-, the 8th electrode of 27-, the 9th electrode of 28-, 100- the first mineral hot furnace tracheae
Road, 110- the second mineral hot furnace feed channel, 120- third mineral hot furnace feed channel, 200- cylindrical electrode shell, 201- electrode paste, 202- electricity
Paste Fluctuation Device, 203- electrode depth regulating device in pole.
Specific embodiment
Embodiments of the present invention are described further with reference to the accompanying drawing.
The embodiment 1 of energy-efficient mineral hot furnace of the invention, as shown in Figure 1 to Figure 2, including furnace body 1, furnace body 1 include circle
Cylindrical sidewall 2, hemispherical bottom wall 3 and bell, level is inserted with first electrode 20 and second electrode 21 on the side wall of furnace body 1, and
One electrode 20, second electrode 21 are oppositely arranged in same level.
First electrode 20, second electrode 21 are self-baking electrode, and self-baking electrode includes extending along the radial direction of furnace body 1
Cylindrical electrode shell 200, and the electrode paste 201 being arranged in electrode shell, the electrode front end that electrode paste is formed after roasting coking
Protrude into and form welding tip in furnace body 1, the rear end of electrode be provided with the electrode paste Fluctuation Device 202 for top-push electrode paste with
And for adjusting the electrode depth regulating device 203 of tubular electrode shell Yu furnace body relative position.
Feeding device is provided with above bell, feeding device includes distributing device 4 and is connected to the multiple of 4 lower end of distributing device
The discharge port of the blending bunker 5 being uniformly arranged, each blending bunker 5 is connected by corresponding feeder pipe 6 with the feed opening on bell
Connect, also set up on bell with the one-to-one furnace gas export of each blending bunker 5, be additionally provided with air inlet, furnace on each blending bunker 5
Mineral hot furnace feed channel 7 is connected between gas outlet and the air inlet of blending bunker 5；The outlet of mineral hot furnace gas is provided on distributing device 4
Pipeline 8, mineral hot furnace gas outlet conduit 8 are connected with flue gas cleaning system.Feed opening 9 is provided on the bottom wall of furnace body 1.
The course of work of the energy-efficient mineral hot furnace of embodiment 1 is as shown in Figure 3: after the mixing of the raw materials such as silica, coke, iron charge
It is added in distributing device 4 and carries out ingredient and obtain mixture, mixture is entered in furnace body 1 by feeder pipe 6, and electrode generates after being powered
Electric arc and electric current heating furnace charge realize and smelt that, into electrode galvanization, electrode paste 201 is gradually sintered coking molding, with
The progress of smelting process, the electrode tip contacted with mixture constantly consume, from electrode paste Fluctuation Device 202 constantly to furnace body 1
Internal pressure discharge electrode, to realize the continuous use of electrode, that is, meet self-baking electrode while use, while spreading, side be sintered the characteristics of.Mixing
The mineral hot furnace gas generated in material smelting process is high-temperature flue gas, wherein containing a large amount of sensible heats, mineral hot furnace gas is through mineral hot furnace feed channel 7
Into preheating in furnace top bin namely blending bunker 5 to mixture, the temperature of charge for entering mineral hot furnace is improved, reduces energy
Consumption, the furnace gas after preheating enter the dedusting system as flue gas cleaning system through 8 direction as shown in arrow of mineral hot furnace gas outlet conduit
System is handled.
The embodiment 2 of energy-efficient mineral hot furnace of the invention, as shown in figure 4, including furnace body 1, furnace body 1 includes cylinder-shaped side
Wall 2, hemispherical bottom wall 3 and bell, level is inserted with first electrode 20 and second electrode 21, first electrode on the side wall of furnace body 1
20, second electrode 21 is oppositely arranged in same level.First electrode 20, the structure of second electrode 21 are same as Example 1.
Feeding device is provided with above bell, feeding device includes silica surge bin 10, iron charge surge bin 11, charcoal
The pre- hot aggregate bin 12 of material, the discharge port and proportioner 13 of the pre- hot aggregate bin 12 of silica surge bin 10, iron charge surge bin 11, raw material of wood-charcoal
Entrance be connected, the outlet of proportioner 13 is connected with the entrance of distributing device 4, distributing device 4 it is each outlet be accordingly connected with
The discharge port of blending bunker 5, blending bunker 5 is connected by feeder pipe 6 with the feed opening on bell.
It is additionally provided on bell and is respectively corresponded with silica surge bin 10, iron charge surge bin 11, the pre- hot aggregate bin 12 of raw material of wood-charcoal
Furnace gas export, be respectively arranged with air inlet on the pre- hot aggregate bin 12 of silica surge bin 10, iron charge surge bin 11, raw material of wood-charcoal, respectively
Pass through the first mineral hot furnace feed channel 100, the second mineral hot furnace feed channel 110, third between furnace gas export and corresponding air inlet respectively
Mineral hot furnace feed channel 120 is connected.Burner, burner point are provided in silica surge bin 10, iron charge surge bin 11
It is not connected with the air inlet of silica surge bin 10, iron charge surge bin 11.Silica surge bin 10, iron charge surge bin 11,
The upper end of the pre- hot aggregate bin 12 of raw material of wood-charcoal is correspondingly provided with mineral hot furnace gas outlet conduit, and the outlet of mineral hot furnace gas outlet conduit and furnace gas are net
Change system is connected.
The course of work of the energy-efficient mineral hot furnace of embodiment 2 is as follows: the correlated response of ferrosilicon smelting are as follows: SiO2+ 2C=
Si+2CO, Fe+Si=FeSi；Mineral hot furnace gas contains the inflammable gases such as CO, and mineral hot furnace gas adds in silica surge bin 10 and iron charge
The heat generated after burner combustion in hot aggregate bin 11 heats silica, iron charge.Simultaneously in the pre- hot aggregate bin 12 of raw material of wood-charcoal
Raw material of wood-charcoal is preheated using the sensible heat of mineral hot furnace gas.Differentiated can be carried out to different material respectively according to feedstock property in this way
Processing, keeps the preheating of different material more efficient, further reduces the consumption of electric energy, reduces the reaction time in furnace body 1,
Increase furnace output.By preheating after raw material of wood-charcoal, by heating after silica, iron charge mixed in proportioner 13, then by
Direction shown in arrow enters in distributing device 4, the mine heat of the pre- hot aggregate bin 12 of silica surge bin 10, iron charge surge bin 11, raw material of wood-charcoal
The outlet of furnace gas export pipeline direction as shown in respective arrow enters flue gas cleaning system and is handled.
The embodiment 3 of energy-efficient mineral hot furnace of the invention, as shown in figure 5, furnace body 1 includes bell, bottom wall and side wall, side
Wall includes front side wall, rear wall, left side wall, right side wall, and it is rectangular tubular that front, rear, left and right side wall, which defines horizontal cross-section,
Structure is sequentially arranged at intervals with third electrode 22, the 5th electrode 24, the 26, the 9th electricity of the 7th electrode on left side wall along the longitudinal direction
Pole 28 is sequentially arranged at intervals with the 4th electrode 23, the 6th electrode 25, the 8th electrode 27, third electricity on right side wall along the longitudinal direction
Pole 22, the 4th electrode 23, the 5th electrode 24, the 6th electrode 25, the 7th electrode 26, the 8th electrode 27, the 9th electrode 28 are in front and back
It is successively uniformly staggered on direction, on the side wall that 22 to the 9th electrode 28 of third electrode is horizontally placed on furnace body, feeding device
It is same as Example 2.
The energy-efficient mineral hot furnace of embodiment 3 can expand furnace structure, increase yield because using horizontal arranging mode；It can
According to yield and design requirement, number of electrodes is rationally set.
In the other embodiments of energy-efficient mineral hot furnace of the invention, graphite electrode is can be used in electrode；Single electrode can
Use the power supply mode of patent involved by background technique；When two electrodes in use, can use 380V three-phase electricity, wherein two-phase with
Electrode is respectively connected with, and in addition a phase is grounded；Or connected using 220V voltage, two-phase directly connect to form electric current with electrode.It is more
For a electrode simultaneously in use, more three-phase transformers can be used, every three electrodes are one group, can should if extra 1 electrode
Electrode is in parallel with an electrode in three-phase electrode, uses simultaneously.If extra 2 electrodes, the connection of 220V voltage can be used, it can also
With the two electrodes and other electrodes in three-phase electrode are used in parallel.
Claims (8)
1. a kind of energy-efficient mineral hot furnace, including furnace body, furnace body top is provided with feed opening, which is characterized in that further includes setting
In at least one electrode on sidewall of the furnace body, the electrode, which has, protrudes into the intracorporal working end of furnace, and the working end is horizontally disposed.
2. energy-efficient mineral hot furnace as described in claim 1, which is characterized in that the section of the furnace body in the horizontal direction is side
Shape is respectively arranged with first electrode group and second electrode group in two opposing sidewalls of furnace body, and the first electrode group includes edge
Successively spaced at least two first electrode, the second electrode group include that successively interval is set in the horizontal direction to horizontal direction
At least two second electrodes set.
3. energy-efficient mineral hot furnace as claimed in claim 2, which is characterized in that the first electrode and second electrode are successively handed over
Mistake distribution.
4. energy-efficient mineral hot furnace as described in claim 1, which is characterized in that the quantity of the electrode is more than two and edge
Furnace body is circumferentially evenly spaced on.
5. such as energy-efficient mineral hot furnace of any of claims 1-4, which is characterized in that the electrode is self-baking electricity
Pole, the self-baking electrode include the cylindrical electrode shell extended along the radial direction of furnace body, the electrode being arranged in cylindrical electrode shell
The electrode front end pasted and formed after being roasted by electrode paste, the electrode front end, which is protruded into, forms the working end in furnace body.
6. such as energy-efficient mineral hot furnace of any of claims 1-4, which is characterized in that the furnace body upper end is provided with
Furnace gas export；Feeding device is connected on the feed opening, the feeding device includes blending bunker, the discharge port of blending bunker
It is connected with the feed opening, the air inlet being connected to the furnace gas export on furnace body is provided on blending bunker.
7. energy-efficient mineral hot furnace as described in claim 1, which is characterized in that the furnace body upper end is provided with furnace gas export；
It is connected with feeding device on the feed opening, the feeding device includes blending bunker and surge bin, the surge bin
Discharge port is connected with the feed inlet of the blending bunker, and the air inlet being connected to the furnace gas export on furnace body is provided on surge bin
Mouthful, it is additionally provided with burner in surge bin, the burner is connected with the air inlet of surge bin.
8. energy-efficient mineral hot furnace as claimed in claim 7, which is characterized in that the feeding device further includes pre- hot aggregate bin,
The discharge port of the pre- hot aggregate bin is connected with the feed inlet of the blending bunker, is provided on pre- hot aggregate bin and the furnace gas on furnace body
The air inlet of outlet.
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| Application Number | Priority Date | Filing Date | Title |
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| CN201811163334.5A CN109114980A (en) | 2018-09-30 | 2018-09-30 | A kind of energy-efficient mineral hot furnace |
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| CN201811163334.5A CN109114980A (en) | 2018-09-30 | 2018-09-30 | A kind of energy-efficient mineral hot furnace |
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| CN109114980A true CN109114980A (en) | 2019-01-01 |
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Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111750680A (en) * | 2020-08-05 | 2020-10-09 | 河南省德耀节能科技股份有限公司 | Electrode adjustable structure of safe and efficient submerged arc furnace |
| CN111964433A (en) * | 2020-08-11 | 2020-11-20 | 中卫市茂烨冶金有限责任公司 | Intelligent control submerged arc furnace |
| CN112050647A (en) * | 2020-08-11 | 2020-12-08 | 中卫市茂烨冶金有限责任公司 | Novel submerged arc furnace batching station |
| CN113865084A (en) * | 2021-08-24 | 2021-12-31 | 陕西翼飞航智能科技有限公司 | Gas heating method and heating device |
| CN115558816A (en) * | 2022-09-01 | 2023-01-03 | 广东广青金属科技有限公司 | Nickel-chromium alloy smelting method and system by utilizing sensible heat of flue gas and furnace slag of submerged arc furnace |
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Cited By (6)
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| CN111750680A (en) * | 2020-08-05 | 2020-10-09 | 河南省德耀节能科技股份有限公司 | Electrode adjustable structure of safe and efficient submerged arc furnace |
| CN111964433A (en) * | 2020-08-11 | 2020-11-20 | 中卫市茂烨冶金有限责任公司 | Intelligent control submerged arc furnace |
| CN112050647A (en) * | 2020-08-11 | 2020-12-08 | 中卫市茂烨冶金有限责任公司 | Novel submerged arc furnace batching station |
| CN113865084A (en) * | 2021-08-24 | 2021-12-31 | 陕西翼飞航智能科技有限公司 | Gas heating method and heating device |
| CN115558816A (en) * | 2022-09-01 | 2023-01-03 | 广东广青金属科技有限公司 | Nickel-chromium alloy smelting method and system by utilizing sensible heat of flue gas and furnace slag of submerged arc furnace |
| CN115558816B (en) * | 2022-09-01 | 2023-09-19 | 广东广青金属科技有限公司 | Smelting method and system for nichrome by utilizing sensible heat of flue gas and slag of submerged arc furnace |
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