CN204434700U - The concentrate burner of smelting furnace - Google Patents
The concentrate burner of smelting furnace Download PDFInfo
- Publication number
- CN204434700U CN204434700U CN201520039199.9U CN201520039199U CN204434700U CN 204434700 U CN204434700 U CN 204434700U CN 201520039199 U CN201520039199 U CN 201520039199U CN 204434700 U CN204434700 U CN 204434700U
- Authority
- CN
- China
- Prior art keywords
- air
- cooling jacket
- supply passage
- airduct
- smelting furnace
- 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.)
- Expired - Fee Related
Links
Landscapes
- Manufacture And Refinement Of Metals (AREA)
Abstract
The utility model discloses a kind of concentrate burner of smelting furnace, it comprises that tube core overlaps, caliber increases successively and oxygen supplying tube, the dispersion airduct and water-cooling jacket of sheathed layout successively, the charging opening place of described water-cooling jacket is extended with air-supply passage in reinforced tube chamber, and the air outlet of air-supply passage is positioned at the bottom of reinforced tube chamber.In the reinforced tube chamber of water-cooling jacket, air-supply passage is set, such pressurized air is when air-supply passage is discharged from the bottom of reinforced tube chamber, premix can be carried out with reinforced intraluminal mineral aggregate, mineral aggregate after premix mixes with the technique wind in technique bellows again, effectively can improve the homogeneity that mineral aggregate mixes with technique wind, and then improve mineral aggregate combustion efficacy, enhance the mass transfer in reaction tower, rate of heat transfer, so not only effectively reduce the SO in flue dust and flue dust
3production rate, for the dust treatment of postorder reduces difficulty, and the production capacity of the matte that melting is obtained promotes.
Description
Technical field
The utility model relates to the technical field of smelting of copper, is specifically related to a kind of concentrate burner of smelting furnace.
Background technology
In the flash smelting technique of copper, that concentrate burner and the technique bellows for blasting technique wind are set at the top of smelting furnace, in smelting furnace, copper ore concentrates mineral aggregate, oxygen and dispersion wind is sprayed into by concentrate burner, in the bottom of concentrate burner, mineral aggregate mixes with technique wind and ignition forms slag and matte, mineral aggregate and technique wind realize fully mixing, and to be mineral aggregate carry out fast in limited space, concentrate burner bottom for this, one of the essential condition of complete oxidation.
At present, the concentrate burner that copper mine enterprise uses is the central dispersion pattern concentrate burner by Outokumpu company designs and production mostly, as shown in Figure 1, the feature of this concentrate burner is that mineral aggregate and technique wind spray in stove in the same way, mainly through gas phase and the mutual diffusion of solid phase phase, infiltration reaches the object of mixing, when using this central dispersion pattern concentrate burner to carry out low level material spray, that is the entrance of mineral aggregate is when technique wind exports, mineral aggregate more easily mixes with technique wind, but when high-order material spray, also just say that the entrance of mineral aggregate is higher, with technique wind export still have certain difference of altitude time, the now relative retardation in mineral aggregate reaction times, in addition, when the input amount of mineral aggregate is less, enter stove mineral aggregate and can be heated to temperature of reaction by furnace high-temperature flue gas or radiant heat rapidly, and just start violent combustion reactions occurs in the scope that distance concentrate burner exports about 1.5m, and the input amount of mineral aggregate more time, in the finite spatial extent of reaction tower its top feed mouth, be difficult to ensure that mineral aggregate enough fully mixes with technique wind energy, thus greatly have impact on the mass transfer of combustion reactions, rate of heat transfer, the Z 250 content in slag is not only caused to increase, dust rate rises, SO in flue dust
3production rate rises, and the utilising efficiency of oxygen also obviously declines, and then affects the production capacity of melting product matte.Therefore, how to ensure fully mixing of mineral aggregate and technique wind, improve the combustion efficacy of copper ore concentrates mineral aggregate, this is concerning extremely important flash smelting technique.
Summary of the invention
The purpose of this utility model is to provide and a kind ofly ensures that technique wind fully mixes with mineral aggregate, improves the concentrate burner of mineral aggregate Smelting Effect.
For achieving the above object, the technical solution adopted in the utility model is: a kind of concentrate burner of smelting furnace, comprise that tube core overlaps, caliber increases successively and oxygen supplying tube, the dispersion airduct and water-cooling jacket of sheathed layout successively, it is characterized in that: the charging opening place of described water-cooling jacket is extended with air-supply passage in reinforced tube chamber, the air outlet of air-supply passage is positioned at the bottom of reinforced tube chamber.
The beneficial effect adopting technique scheme to produce is: in the reinforced tube chamber of water-cooling jacket, arrange air-supply passage, such pressurized air is when air-supply passage is discharged from the bottom of reinforced tube chamber, premix can be carried out with reinforced intraluminal mineral aggregate, mineral aggregate after premix mixes with the technique wind in technique bellows again, effectively can improve the homogeneity that mineral aggregate mixes with technique wind, and then improve mineral aggregate combustion efficacy, enhance the mass transfer in reaction tower, rate of heat transfer, the matte production capacity so not only making melting obtain promotes, and the SO effectively reduced in flue dust and flue dust
3production rate, for the dust treatment of postorder reduces difficulty.
Accompanying drawing explanation
Fig. 1 is the structural representation of the concentrate burner of smelting furnace in prior art;
Fig. 2 is structural representation of the present utility model;
Fig. 3 is the I portion enlarged view of Fig. 2;
Fig. 4 is the structural representation of eddy flow sleeve pipe;
Fig. 5 is the structural representation of ring-shaped baffle.
Embodiment
A kind of concentrate burner of smelting furnace, as Figure 2-3, it comprises that tube core overlaps, caliber increases successively and oxygen supplying tube 10, the dispersion airduct 20 and water-cooling jacket 30 of sheathed layout successively, the charging opening place of described water-cooling jacket 30 is extended with air-supply passage in reinforced tube chamber, and the air outlet of air-supply passage is positioned at the bottom of reinforced tube chamber.So-called water-cooling jacket 30, namely periphery is provided with the filling tube of sheath in fact, and the tube chamber of filling tube drops into for mineral aggregate, and the folder chamber between filling tube and sheath is arranged for water passage to implement to cool to equipment.The utility model arranges air-supply passage in the reinforced tube chamber of water-cooling jacket 30, such pressurized air is when air-supply passage is discharged from the bottom of reinforced tube chamber, premix can be carried out with reinforced intraluminal mineral aggregate, mineral aggregate like this after premix mixes with the technique wind in technique bellows 110 again, effectively can improve the homogeneity mixed of mineral aggregate and technique wind, and then improve mineral aggregate combustion efficacy, enhance the mass transfer in reaction tower, rate of heat transfer, the matte production capacity so not only making melting obtain promotes, and the SO effectively reduced in flue dust in melting mineral aggregate process and flue dust
3production rate, thus the dust treatment reduction difficulty being postorder, concrete, through verification experimental verification, compared with prior art, in the measure-alike situation of reaction tower, concentrate burner disclosed in the utility model is adopted to improve 20% to the production capacity of matte can be made in smelting furnace during feed.
As further preferred version: the reinforced intraluminal air-supply passage of described water-cooling jacket 30 has two, the air outlet of first, second air-supply passage 41,42 straight down and lay respectively at the dispersion outer side wall of the airduct 20 and inner side-wall place of water-cooling jacket 30.As Figure 2-3, by the layout of first, second two air-supply passages 41,42, make pressurized air carry out pre-mixing from both sides to the reinforced intraluminal mineral aggregate of water-cooling jacket 30 like this, so can improve the mixed effect of mineral aggregate further.
Concrete, in order to improve the mixing uniformity of mineral aggregate and technique wind further, as shown in Figure 2,4, the lower, outer perimeter wall of described water-cooling jacket 30 being arranged with eddy flow sleeve pipe 50, the tube wall of eddy flow sleeve pipe 50 being provided with the swirl vane 51 for air guide.It is the flow region of technique wind in chamber between described water-cooling jacket 30 and technique bellows 110, therefore the sheathed eddy flow sleeve pipe 50 with swirl vane 51 on the lower, outer perimeter wall of water-cooling jacket 30, technique bellows 110 technique wind that is interior, water-cooling water jackets 30 periphery in other words can be made like this to discharge with the attitude of eddy flow because of the air guide effect of swirl vane 51 mix with mineral aggregate, this sampling technology wind is more abundant with mixing of mineral aggregate, evenly, the overall profile of concrete swirl vane 51 can be S shape curved or tabular.Preferably; the upper end of described eddy flow sleeve pipe 50 is connected with riser 60; as shown in Figure 2,4; according to practical condition; in other words according to the distance between the air outlet of technique wind and the discharge port of water-cooling jacket 30; suitably can be adjusted the height of eddy flow sleeve pipe 50 by riser 60, technique wind in adjusting process bellows 110 and mineral aggregate can carry out when eddy flow mixes air quantity like this, and then guarantee mixed effect.
Further, as Figure 2-3, described first air-supply passage 41 is made up of epimere passage 411 and hypomere passage 412, epimere passage 411 extends downward the middle part in dispersion airduct chamber from the blast inlet of dispersion airduct 20, hypomere passage 412 extends to the bottom of reinforced tube chamber from the middle part of the reinforced tube chamber of water-cooling jacket 30, the middle part tube wall of dispersion airduct 20 offers the through hole 21 being communicated with the air outlet of epimere passage 411 and the blast inlet of hypomere passage 412, preferably, the through hole 21 at the tube wall place, middle part of described dispersion airduct 20 separates between the upper and lower and is provided with two, arrange that two through holes 21 are ventilated, pressurized air Decentralized Pull in can be made like this.In general, in order to ensure the even input of mineral aggregate, as Figure 1-3, the top of the periphery wall of described dispersion airduct 20 is interval with the material distributing plate 120 that 2-3 plate facing epitaxy is stretched, therefore the first air-supply passage 41 adopts two-part to arrange by the utility model, like this can with the position of dodging out material distributing plate 120, effectively can ensure again compressed-air actuated effective introducing of premix mineral aggregate, moreover, the epimere passage 411 of the first air-supply passage 41 is arranged in and disperses both to facilitate in the tube chamber of airduct 20, the more space that feeds intake can be vacated again for the reinforced tube chamber of water-cooling jacket 30, prevent melting technology from cannot feed intake according to the gas material ratio of setting.
Actually add man-hour, first, second air-supply passage 41,42 is structural arrangement formation in the following manner: as Figure 2-3, the periphery wall of the middle hypomere of described dispersion airduct 20 is provided with wind cover 70, between the inwall of wind cover 70 and the periphery wall of dispersion airduct 20, forms the hypomere passage 412 of the first air-supply passage 41; Be provided with the airduct 80 overlapped with the tube core of water-cooling jacket 30 in the reinforced tube chamber of described water-cooling jacket 30, between the periphery wall of airduct 80 and the internal perisporium of water-cooling jacket 30, form the second air-supply passage 42.In other words, in general, the hypomere passage 412 of the first air-supply passage 41 and the second air-supply passage 42 arrange continuously along the circumference of water-cooling jacket 30, make pressurized air be that the form of surrounding carries out pre-mixing with the mineral aggregate being positioned at region intermediate when the air outlet of first, second two air-supply passages 41,42 is discharged like this, so substantially increase the premixing effect of mineral aggregate.
Further, as shown in figures 2 and 5, the air outlet place of described second air-supply passage 42 is provided with horizontally disposed ring-shaped baffle 90, the plate face of ring-shaped baffle 90 is arranged at intervals with the air outlet opening 91 that air feed passes through, namely, the pressurized air being positioned at the second air-supply passage 42 is finally discharge from the air outlet opening 91 ring-shaped baffle 90, for the ease of adjusting compressed-air actuated wind speed and air quantity like this, in addition, preferably, on the inwall of described water-cooling jacket 30, the below place being positioned at the air outlet of air-supply passage is provided with Venturi tube 100, as shown in Figure 2, by the layout of Venturi tube 100, the compressed-air actuated mineral aggregate of premix can be made with the state Jet with downward flow direction of dispersion, thus improve the combustion efficacy of mineral aggregate.
Claims (10)
1. the concentrate burner of a smelting furnace, comprise that tube core overlaps, caliber increases successively and the oxygen supplying tube (10) of sheathed layout, dispersion airduct (20) and water-cooling jacket (30) successively, it is characterized in that: the charging opening place of described water-cooling jacket (30) is extended with air-supply passage in reinforced tube chamber, the air outlet of air-supply passage is positioned at the bottom of reinforced tube chamber.
2. the concentrate burner of smelting furnace according to claim 1, it is characterized in that: the reinforced intraluminal air-supply passage of described water-cooling jacket (30) has two, the air outlet of first, second air-supply passage (41,42) straight down and lay respectively at outer side wall and the inner side-wall place of water-cooling jacket (30) of dispersion airduct (20).
3. the concentrate burner of smelting furnace according to claim 1, it is characterized in that: the lower, outer perimeter wall of described water-cooling jacket (30) is arranged with eddy flow sleeve pipe (50), the tube wall of eddy flow sleeve pipe (50) is provided with the swirl vane (51) for air guide.
4. the concentrate burner of smelting furnace according to claim 3, is characterized in that: the upper end of described eddy flow sleeve pipe (50) is connected with riser (60).
5. the concentrate burner of smelting furnace according to claim 2, it is characterized in that: described first air-supply passage (41) is made up of epimere passage (411) and hypomere passage (412), epimere passage (411) disperses the blast inlet of airduct (20) to extend downward the middle part in dispersion airduct chamber certainly, hypomere passage (412) extends to the bottom of reinforced tube chamber from the middle part of the reinforced tube chamber of water-cooling jacket (30), the middle part tube wall of dispersion airduct (20) offers the through hole (21) being communicated with the air outlet of epimere passage (411) and the blast inlet of hypomere passage (412).
6. the concentrate burner of smelting furnace according to claim 5, is characterized in that: the through hole (21) at the tube wall place, middle part of described dispersion airduct (20) separates between the upper and lower and is provided with two.
7. the concentrate burner of smelting furnace according to claim 5 or 6, it is characterized in that: the periphery wall of the middle hypomere of described dispersion airduct (20) is provided with wind cover (70), between the inwall of wind cover (70) and the periphery wall of dispersion airduct (20), form the hypomere passage (412) of the first air-supply passage (41).
8. the concentrate burner of smelting furnace according to claim 2, it is characterized in that: in the reinforced tube chamber of described water-cooling jacket (30), be provided with the airduct (80) overlapped with the tube core of water-cooling jacket (30), between the periphery wall of airduct (80) and the internal perisporium of water-cooling jacket (30), form the second air-supply passage (42).
9. the concentrate burner of smelting furnace according to claim 8, it is characterized in that: the air outlet place of described second air-supply passage (42) is provided with horizontally disposed ring-shaped baffle (90), the plate face of ring-shaped baffle (90) is arranged at intervals with the air outlet opening (91) that air feed passes through.
10. the concentrate burner of smelting furnace according to any one of claim 2-6,8-9, is characterized in that: on the inwall of described water-cooling jacket (30), the below place that is positioned at the air outlet of air-supply passage is provided with Venturi tube (100).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520039199.9U CN204434700U (en) | 2015-01-20 | 2015-01-20 | The concentrate burner of smelting furnace |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520039199.9U CN204434700U (en) | 2015-01-20 | 2015-01-20 | The concentrate burner of smelting furnace |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN204434700U true CN204434700U (en) | 2015-07-01 |
Family
ID=53602594
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201520039199.9U Expired - Fee Related CN204434700U (en) | 2015-01-20 | 2015-01-20 | The concentrate burner of smelting furnace |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN204434700U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP3719397A1 (en) | 2019-04-03 | 2020-10-07 | Slovenské magnezitové závody, akciová spolocnost, Jelsava, v skratke SMZ, a.s. Jelsava | Burner for combustion of gaseous fuels in shaft furnace, especially for heat processing of minerals in granular form |
-
2015
- 2015-01-20 CN CN201520039199.9U patent/CN204434700U/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP3719397A1 (en) | 2019-04-03 | 2020-10-07 | Slovenské magnezitové závody, akciová spolocnost, Jelsava, v skratke SMZ, a.s. Jelsava | Burner for combustion of gaseous fuels in shaft furnace, especially for heat processing of minerals in granular form |
| RU2766115C2 (en) * | 2019-04-03 | 2022-02-08 | Словацкие магнезитовые заводы, акционерное общество, Елшава (СМЗ, А.О. Елшава) | Burner for combusting gaseous fuel in a shaft furnace, primarily for heat treatment of minerals in the granular form |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN204434699U (en) | The concentrate burner of flash smelting furnace | |
| CN204084374U (en) | Oxygen-enriched flameless gas burner | |
| CN102560144A (en) | Double rotational flow premix type metallurgical nozzle | |
| CN104561587B (en) | Concentrate jet nozzle of smelting furnace | |
| CN105135430B (en) | A kind of low nitrogen solid fuel oxygen-enriched burner of steady flame | |
| CN104561586A (en) | Concentrate nozzle of flash smelting furnace | |
| CN204100244U (en) | A kind of gas oxygen-enriched combustion-supporting premixed swirl combustion device | |
| CN105838837A (en) | Reduction smelting system and reduction smelting method for vanadium-titanium magnetite ore or ilmenite | |
| CN204434700U (en) | The concentrate burner of smelting furnace | |
| EP2834562A1 (en) | Fluidic control burner for pulverous feed | |
| CN203284438U (en) | Magnetizing roasting reducing atmosphere preparation device and iron mine flash magnetizing roasting system | |
| CN107781812B (en) | Coal gas double-cyclone burner for belt type roasting machine and belt type roasting machine | |
| CN101812582A (en) | Steel wire heat processing naked-flame furnace | |
| CN101749706B (en) | Opening circular road whirling premixing upward-spraying backflow preheat burner | |
| CN205065716U (en) | Low nitrogen solid fuel oxygen boosting combustor of steady flame | |
| CN104566550A (en) | Gas dividing device for air blower gas stove | |
| CN206739867U (en) | A kind of rotary kiln Secondary Air air-intake device | |
| CN106482107A (en) | Three-ring fire distributor | |
| CN201297624Y (en) | Upper air intake multi-jet-nozzle burner | |
| CN105114954B (en) | Combustion device for multi-fuel premix swirl-flow combustion | |
| CN209263050U (en) | A kind of ignition of sintering process device that recyclable exhaust gas is mixed and burned | |
| CN106766901A (en) | A kind of aluminium melting furnace of utilization smoke backflow low-oxygen high-temperature combustion | |
| CN204460350U (en) | A kind of gas diverter of air blast gas-cooker | |
| CN202808849U (en) | Hot-blast stove using blast furnace gas as fuel | |
| CN205690395U (en) | A kind of modified model gas-fired equipment fuel assembly |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20150701 Termination date: 20170120 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |