CN104561587A - Concentrate jet nozzle of smelting furnace - Google Patents
Concentrate jet nozzle of smelting furnace Download PDFInfo
- Publication number
- CN104561587A CN104561587A CN201510028381.9A CN201510028381A CN104561587A CN 104561587 A CN104561587 A CN 104561587A CN 201510028381 A CN201510028381 A CN 201510028381A CN 104561587 A CN104561587 A CN 104561587A
- Authority
- CN
- China
- Prior art keywords
- air
- water
- smelting furnace
- airduct
- cooling jacket
- 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.)
- Granted
Links
Landscapes
- Manufacture And Refinement Of Metals (AREA)
- Vertical, Hearth, Or Arc Furnaces (AREA)
Abstract
The invention discloses a concentrate jet nozzle of a smelting furnace. The concentrate jet nozzle comprises an oxygen supply pipe, a dispersing air pipe and a water-cooled jacket, all of which are coincident in pipe cores, orderly increased in pipe diameter and orderly arranged to sleeve each other, wherein an air supply channel extends from the feeding hole of the water-cooled jacket into the feeding tubular cavity of the water-cooled jacket; the air outlet of the air supply channel is located at the lower portion of the feeding tubular cavity. As the air supply channel is arranged in the feeding tubular cavity of the water-cooled jacket, compressed air can be premixed with mineral aggregate in the feeding tubular cavity when being discharged from the lower portion of the feeding tubular cavity via the air supply channel, and then the premixed mineral aggregate is further mixed with process air in a process air box, and therefore, the homogeneity of mixing of the mineral aggregate with the process air can be effectively improved, furthermore, the combustion effect of the mineral aggregate is further improved, and the mass transfer and heat transfer rates in the reaction tower are intensified; as a result, the generation rate of smoke dust and SO3 in the smoke dust can be effectively reduced, the difficulty of subsequent smoke dust treatment is reduced, and the capacity of matte obtained by smelting is improved.
Description
Technical field
The present invention relates to the technical field of smelting of copper, be 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 concentrate 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 diffused 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 counterdiffusion of solid phase phase, infiltration reaches the object of mixing, when using this central diffused 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 in height time, now the mineral aggregate reaction time postpones relatively, in addition, when the input amount of mineral aggregate is less, enter stove mineral aggregate and can be heated to reaction temperature by furnace high-temperature flue gas or radiant heat rapidly, and just start violent combustion reaction 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 reaction, rate of heat transfer, the tri-iron tetroxide content in slag is not only caused to increase, dust rate rises, SO in flue dust
3production rate rises, and the utilization ratio 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 efficiency of copper concentrate mineral aggregate, this is concerning extremely important flash smelting technique.
Summary of the invention
The object of this invention is to provide and a kind ofly ensure that technique wind fully mixes with mineral aggregate, improve the concentrate burner of mineral aggregate Smelting Effect.
For achieving the above object, the technical solution used in the present invention 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 charge door 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 compressed 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 uniformity that mineral aggregate mixes with technique wind, and then improve mineral aggregate combustion efficiency, 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 invention;
Fig. 3 is the I portion enlarged drawing of Fig. 2;
Fig. 4 is the structural representation of eddy flow sleeve pipe;
Fig. 5 is the structural representation of ring-shaped baffle.
Detailed description of the invention
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 charge door 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 charge pipe of sheath in fact, and the tube chamber of charge pipe drops into for mineral aggregate, and the folder chamber between charge pipe and sheath is arranged for water passage to implement to cool to equipment.The present invention arranges air-supply passage in the reinforced tube chamber of water-cooling jacket 30, such compressed 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 uniformity mixed of mineral aggregate and technique wind, and then improve mineral aggregate combustion efficiency, 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, adopt concentrate burner disclosed by the invention 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 lateral wall of the airduct 20 and madial wall place of water-cooling jacket 30.As Figure 2-3, by the layout of first, second two air-supply passages 41,42, make compressed air carry out premixed 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 lifter 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 discharging opening of water-cooling jacket 30; suitably can be adjusted the height of eddy flow sleeve pipe 50 by lifter 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 air 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 air 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, compressed 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 cutting plate 120 that 2-3 plate facing epitaxy is stretched, therefore the first air-supply passage 41 adopts two-part to arrange by the present invention, like this can with the position of dodging out cutting 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 smelting 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 configuration 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 compressed air be that the form of surrounding carries out premixed with the mineral aggregate being positioned at zone line 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 exhaust vent 91 that air feed passes through, namely, the compressed air being positioned at the second air-supply passage 42 is finally discharge from the exhaust vent 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 efficiency 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 charge door 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 lateral wall and the madial 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 lifter (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 air 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 air 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 exhaust vent (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 |
|---|---|---|---|
| CN201510028381.9A CN104561587B (en) | 2015-01-20 | 2015-01-20 | Concentrate jet nozzle of smelting furnace |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510028381.9A CN104561587B (en) | 2015-01-20 | 2015-01-20 | Concentrate jet nozzle of smelting furnace |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN104561587A true CN104561587A (en) | 2015-04-29 |
| CN104561587B CN104561587B (en) | 2017-01-18 |
Family
ID=53078655
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201510028381.9A Active CN104561587B (en) | 2015-01-20 | 2015-01-20 | Concentrate jet nozzle of smelting furnace |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN104561587B (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108680029A (en) * | 2016-08-04 | 2018-10-19 | 合肥通用机械研究院有限公司 | A kind of improved vibration premixed type concentrate burner |
| CN110777265A (en) * | 2019-12-02 | 2020-02-11 | 江西铜业股份有限公司 | Concentrate nozzle of cyclone diffusion type flash furnace |
| CN112458311A (en) * | 2020-11-24 | 2021-03-09 | 本田金属技术（佛山）有限公司 | Pressure feeding device for refining agent |
Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1232538A (en) * | 1996-10-01 | 1999-10-20 | 奥托昆普技术公司 | Method for feeding and directing reaction gas and solids into smelting furnace and multiadjustable burner designed for said purpose |
| CN101809175A (en) * | 2007-09-05 | 2010-08-18 | 奥图泰有限公司 | Concentrate burner |
| CN102876902A (en) * | 2012-10-18 | 2013-01-16 | 铜陵有色金属集团股份有限公司金冠铜业分公司 | Method for composite smelting of copper concentrate flash-molten bath and outokumpu flash furnace |
| CN103453774A (en) * | 2013-09-09 | 2013-12-18 | 中南大学 | Inner vortex mixing type alloy nozzle |
| CN104251622A (en) * | 2013-06-28 | 2014-12-31 | 中南大学 | Suspension melting furnace nozzle |
| CN204434699U (en) * | 2015-01-20 | 2015-07-01 | 铜陵有色金属集团股份有限公司金冠铜业分公司 | The concentrate burner of flash smelting furnace |
-
2015
- 2015-01-20 CN CN201510028381.9A patent/CN104561587B/en active Active
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1232538A (en) * | 1996-10-01 | 1999-10-20 | 奥托昆普技术公司 | Method for feeding and directing reaction gas and solids into smelting furnace and multiadjustable burner designed for said purpose |
| CN101809175A (en) * | 2007-09-05 | 2010-08-18 | 奥图泰有限公司 | Concentrate burner |
| CN102876902A (en) * | 2012-10-18 | 2013-01-16 | 铜陵有色金属集团股份有限公司金冠铜业分公司 | Method for composite smelting of copper concentrate flash-molten bath and outokumpu flash furnace |
| CN104251622A (en) * | 2013-06-28 | 2014-12-31 | 中南大学 | Suspension melting furnace nozzle |
| CN103453774A (en) * | 2013-09-09 | 2013-12-18 | 中南大学 | Inner vortex mixing type alloy nozzle |
| CN204434699U (en) * | 2015-01-20 | 2015-07-01 | 铜陵有色金属集团股份有限公司金冠铜业分公司 | The concentrate burner of flash smelting furnace |
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108680029A (en) * | 2016-08-04 | 2018-10-19 | 合肥通用机械研究院有限公司 | A kind of improved vibration premixed type concentrate burner |
| CN110777265A (en) * | 2019-12-02 | 2020-02-11 | 江西铜业股份有限公司 | Concentrate nozzle of cyclone diffusion type flash furnace |
| CN110777265B (en) * | 2019-12-02 | 2024-02-20 | 江西铜业股份有限公司 | Concentrate nozzle of cyclone diffusion type flash furnace |
| CN112458311A (en) * | 2020-11-24 | 2021-03-09 | 本田金属技术（佛山）有限公司 | Pressure feeding device for refining agent |
| CN112458311B (en) * | 2020-11-24 | 2022-04-29 | 本田金属技术（佛山）有限公司 | Pressure feeding device for refining agent |
Also Published As
| Publication number | Publication date |
|---|---|
| CN104561587B (en) | 2017-01-18 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN104235849B (en) | Staged oxygen-enriched flameless combustion gas burner and control method thereof | |
| CN204063038U (en) | Low NO xflue gas is from return flow burner | |
| CN104266190B (en) | Oxygen-enriched flameless gas burner and control method thereof | |
| CN204434699U (en) | The concentrate burner of flash smelting furnace | |
| CN104561586A (en) | Concentrate nozzle of flash smelting furnace | |
| CN204084374U (en) | Oxygen-enriched flameless gas burner | |
| CN102560144B (en) | Double rotational flow premix type metallurgical nozzle | |
| CN104561587A (en) | Concentrate jet nozzle of smelting furnace | |
| CN109081599B (en) | Kiln for producing basalt fibers | |
| CN104449768A (en) | Down-regulated vertical flue combustion regulating method and heating system thereof for coke oven combustor | |
| CN203980280U (en) | A kind of low NO xflue gas is from return flow burner | |
| CN101929674B (en) | Burner for main burning furnace of sulfur recovery unit | |
| CN204434700U (en) | The concentrate burner of smelting furnace | |
| CN107781812B (en) | Coal gas double-cyclone burner for belt type roasting machine and belt type roasting machine | |
| CN104312633B (en) | Overhead type multi nozzle of gasification furnace | |
| CN107655331A (en) | A kind of environment-friendly type aluminium melting furnace and its method of smelting | |
| CN101812582A (en) | Steel wire heat processing naked-flame furnace | |
| CN104566550A (en) | Gas dividing device for air blower gas stove | |
| CN113883539B (en) | Oxygen-enriched acid gas incinerator burner and working method thereof | |
| CN201066121Y (en) | All-premixed honeycomb type direct-jet gas combustor device for industrial drying and heating | |
| CN209263050U (en) | A kind of ignition of sintering process device that recyclable exhaust gas is mixed and burned | |
| CN209926350U (en) | Pulverized coal burner | |
| CN102032570A (en) | Top-fired high-temperature preheated-air flat-flame burner of hydrogen generation reforming furnace | |
| CN218329340U (en) | Decomposing furnace with material lifting structure | |
| CN206001886U (en) | A kind of cupola furnace device for rock wool production |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C06 | Publication | ||
| PB01 | Publication | ||
| C10 | Entry into substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| TR01 | Transfer of patent right | ||
| TR01 | Transfer of patent right |
Effective date of registration: 20190416 Address after: 244100 West Building of Changjiang West Road Nonferrous Courtyard, Tongling City, Anhui Province Patentee after: Tongling Nonferrous Metals Group Co., Ltd. Address before: 244100 Jinguan Copper Branch of Tongling Nonferrous Circular Economy Industrial Park, Anhui Province Patentee before: JINGUAN COPPER INDUSTRY BRANCH OF TONGLING NONFERROUS METALS GROUP HOLDING CO., LTD. |