CN218238342U - Lead recovery immersion smelting furnace - Google Patents
Lead recovery immersion smelting furnace Download PDFInfo
- Publication number
- CN218238342U CN218238342U CN202221937066.XU CN202221937066U CN218238342U CN 218238342 U CN218238342 U CN 218238342U CN 202221937066 U CN202221937066 U CN 202221937066U CN 218238342 U CN218238342 U CN 218238342U
- Authority
- CN
- China
- Prior art keywords
- smelting furnace
- lead
- smelting
- main part
- furnace main
- 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.)
- Active
Links
Images
Classifications
-
- 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
Landscapes
- Waste-Gas Treatment And Other Accessory Devices For Furnaces (AREA)
Abstract
The utility model discloses a lead recovery submergence smelting furnace, including being used for smelting the smelting furnace main part that contains the lead waste material and laying the spray gun that is used for containing lead waste material output gas in order to provide smelting heat energy in the smelting furnace main part on the lateral wall of smelting furnace main part, the top of smelting furnace main part is offered and is used for supplying to contain the lead waste material and gets into the feed inlet in the smelting furnace main part, the slag tap that is used for discharging the slag is offered to the lateral wall of smelting furnace main part, the lead tap that is used for discharging the crude lead is offered to the bottom of smelting furnace main part, the position phase-match that contains lead waste material place of laying of spray gun in position and the smelting furnace main part, the spray gun is including laying the nozzle that is used for containing lead waste material place regional output gas in order to provide smelting heat energy in the region that contains lead waste material place of smelting furnace main part.
Description
Technical Field
The utility model relates to a lead recovery technical field especially relates to a lead recovery submergence smelting furnace.
Background
The lead-containing waste materials such as waste lead-acid battery lead plaster, lead-containing smoke dust, lead oxide mineral aggregate and the like are generally reduced and smelted by adopting devices such as a reverberatory furnace, a blast furnace, a converter, an oxygen-enriched side-blown furnace and the like to recycle lead, however, the existing smelting device has many defects, such as complex structure and complex operation, and the reverberatory furnace smelting is in discontinuous production, so that the energy consumption is high, the production efficiency is low, and the production environment is poor; the blast furnace smelting needs preparation processes such as mixing, brick making, drying and the like before smelting, the production process is long, the energy consumption is high, and a furnace body also needs water jacket cold air; the productivity of converter smelting is low, the number of required devices is large, and the energy consumption is relatively high; the oxygen-enriched side-blown converter has large smelting investment and is mainly suitable for large-scale mineral smelting projects.
SUMMERY OF THE UTILITY MODEL
The utility model provides a lead recovery submergence smelting furnace to solve the technical problem that current lead recovery device structure is complicated, complex operation, energy consumption are high.
According to an aspect of the utility model, a lead recovery submergence smelting furnace is provided, including being used for smelting the smelting furnace main part that contains the lead waste material and laying the spray gun that is used for containing lead waste material output gas mixture in order to provide smelting heat energy in the smelting furnace main part on the lateral wall of smelting furnace main part, the feed inlet in being used for supplying to contain the lead waste material entering smelting furnace main part is seted up at the top of smelting furnace main part, the slagging hole that is used for discharging the slag is seted up to the lateral wall of smelting furnace main part, the lead tap hole that is used for discharging the crude lead is offered to the bottom of smelting furnace main part, laying of spray gun position and the smelting furnace main part in contain lead waste material position phase-match, the spray gun is including laying the leading regional nozzle that is used for containing lead waste material output gas mixture in order to provide smelting heat energy in the lead waste material is located.
As a further improvement of the above technical solution:
further, a plurality of spray guns are uniformly arranged along the vertical direction and/or the circumferential direction of the smelting furnace main body at intervals.
Further, the central axis of the nozzle is arranged in the horizontal direction.
Furthermore, the spray gun also comprises a spray pipe connected with the spray nozzle, a first air inlet pipeline communicated with the inner cavity of the spray pipe and used for transmitting air to the inner cavity of the spray pipe, a second air inlet pipeline communicated with the inner cavity of the spray pipe and used for transmitting oxygen-enriched air to the inner cavity of the spray pipe, and a third air inlet pipeline communicated with the inner cavity of the spray pipe and used for transmitting natural gas to the inner cavity of the spray pipe.
Furthermore, the spray gun also comprises a first control valve which is arranged on the first air inlet pipeline and is used for controlling the air flow; and/or a second control valve arranged on the second air inlet pipeline and used for controlling the flow of the oxygen-enriched air; and/or a third control valve arranged on the third gas inlet pipeline and used for controlling the flow of the natural gas.
Further, the lead recovery submergence smelting furnace includes at least one smelting equipment, and the smelting equipment includes a plurality of smelting furnace main parts, has laid the UNICOM flue that is used for the UNICOM flue gas between two adjacent smelting furnace main parts.
Furthermore, a flue gas communicating opening and a flue gas outlet are formed in the side wall of the smelting furnace main body, the flue gas communicating opening is communicated with the communicated flue, and the smelting equipment further comprises an outlet flue gas channel communicated with the flue gas outlet and a flue valve arranged in the outlet flue gas channel.
Furthermore, the smelting equipment also comprises flue gas treatment equipment which is communicated with the outlet flue gas channel and is used for carrying out dust removal and desulfurization treatment on the flue gas.
Further, the furnace body is cylindrical.
Furthermore, the smelting furnace device also comprises a gas collecting hood arranged on the feeding hole.
The utility model discloses following beneficial effect has:
the utility model discloses a lead recovery submergence smelting furnace, it contains the lead waste material in order to realize lead recovery to smelt through the smelting furnace main part, at first add the smelting furnace main part in batches to the lead waste material that will contain through the feed inlet, then directly to the smelting furnace main part in contain the regional mixed gas of output of lead waste material place in order to provide the smelting heat energy through the spray gun, and then make smelting heat energy direct action on containing the lead waste material (namely the smelting heat energy direct action bed that the mixed gas of spray gun output and burning), thereby realize the submergence and smelt, energy utilization is high through flame reflection smelting waste material for current reverberatory furnace, the energy loss is little, the bullion deposit of output is in the bottom of smelting furnace main part, regularly discharge from putting plumbous mouthful, the slag of output floats on liquid lead, regularly discharge from putting the cinder mouth, in order to realize smelting the recovery of lead, this scheme has combined the simple structure of reverberatory furnace, the energy utilization's rate's problem has been improved again, simultaneously along with energy utilization's promotion has still improved smelting efficiency, only adopt two kinds of smelting furnace main part and can realize the recovery of lead to smelt the recovery of lead, because simple structure, constitute the output rate, the demand of lead waste material, and change the demand of arbitrary waste material, and more changeable in the design of smelting furnace main part, and more specific volume of spray gun, the design for current volume of the design.
In addition to the above-described objects, features and advantages, the present invention has other objects, features and advantages. The present invention will be described in further detail with reference to the drawings.
Drawings
The accompanying drawings, which are incorporated in and constitute a part of this application, are included to provide a further understanding of the invention, and are incorporated in and constitute a part of this specification. In the drawings:
fig. 1 is a plan view of a lead recovery immersion smelting furnace according to a preferred embodiment of the present invention;
fig. 2 is a schematic cross-sectional view of a lead recovery immersion smelting furnace according to a preferred embodiment of the present invention;
figure 3 is a schematic cross-sectional view of a lance in a lead recovery submerged smelting furnace according to a preferred embodiment of the present invention.
Illustration of the drawings:
1. a smelting furnace main body; 11. a feed inlet; 12. a slag tap; 13. putting a lead port; 2. a spray gun; 21. a nozzle; 22. a nozzle; 23. a first air intake duct; 24. a second air intake duct; 25. a third air intake duct; 3. the flue is communicated; 4. an outlet flue gas channel; 5. a flue valve.
Detailed Description
The embodiments of the invention will be described in detail below with reference to the drawings, but the invention can be implemented in many different ways, which are defined and covered below.
Fig. 1 is a plan view of a lead recovery immersion smelting furnace according to a preferred embodiment of the present invention; fig. 2 is a schematic sectional view of a lead recovery immersion smelting furnace according to a preferred embodiment of the present invention; figure 3 is a schematic cross-sectional view of a lance in a lead recovery submerged smelting furnace according to a preferred embodiment of the present invention.
As shown in fig. 1 and fig. 2, the lead recycling immersion smelting furnace of the embodiment includes a smelting furnace main body 1 for smelting lead-containing waste, and a lance 2 arranged on a side wall of the smelting furnace main body 1 for outputting mixed gas to the lead-containing waste in the smelting furnace main body 1 to provide smelting heat energy, a feed inlet 11 for the lead-containing waste to enter the smelting furnace main body 1 is opened at the top of the smelting furnace main body 1, a slag discharge port 12 for discharging slag is opened at a side wall of the smelting furnace main body 1, a lead discharge port 13 for discharging lead bullion is opened at the bottom of the smelting furnace main body 1, a position of the lance 2 is matched with a position of the lead-containing waste in the smelting furnace main body 1, and the lance 2 includes a nozzle 21 arranged in a region of the lead-containing waste in the smelting furnace main body 1 for outputting mixed gas to the region of the lead-containing waste to provide smelting heat energy. Specifically, the utility model discloses a lead recovery submergence smelting furnace, it contains the lead waste material in order to realize lead recovery to smelt through smelting furnace main part 1, at first add smelting furnace main part 1 in batches with containing the lead waste material through feed inlet 11, then through spray gun 2 direct to the regional output mixed gas that contains lead waste material in smelting furnace main part 1 in order to provide the heat energy of smelting, and then make the heat energy of smelting direct action on containing the lead waste material (the smelting heat energy direct action bed that the spray gun output mixed gas and burning), thereby realize immersion smelting, it is high through the energy utilization ratio of flame reflection smelting waste material for current reverberatory furnace, the energy loss is little, the bullion deposit of output is in the bottom of smelting furnace main part 1, regularly discharge from putting plumbous mouthful 13, the slag of output floats on liquid lead, regularly discharge from putting slag mouthful 12, in order to realize the recovery smelting to lead, this scheme has combined the simple structure of reverberatory furnace, the problem of the energy utilization ratio of reverberatory furnace has been improved again, the promotion of energy utilization ratio has still improved the smelting efficiency, only adopt two kinds of smelting furnace main part 1 and spray gun 2 parts can realize the recovery to lead recovery output, and more changeable along with the specific volume of the design of containing lead, the design, the more along with the high volume of smelting, the design of the special volume of the design of treating of the spray gun, the lead. It should be understood that the existing lead recovery smelting furnace has difficulty in arbitrarily adjusting the size and the capacity due to the fact that various accessories matched with each other are multiple; because the energy utilization rate is low, the energy loss is easily increased by randomly adjusting the size capacity; the excessive size capacity results in an inability to smelt due to the inability to provide sufficient heat energy for smelting. Optionally, the fuel comprises one or more of natural gas, pulverized coal, waste heavy oil, and diesel. Optionally, the lead-containing waste material comprises one or more of waste lead acid battery lead paste, lead-containing fumes and lead oxide ore material.
As shown in fig. 2, in the present embodiment, a plurality of lances 2 are arranged at regular intervals in the vertical direction and/or the circumferential direction of the furnace body 1. Specifically, through the even arrangement of a plurality of spray guns 2 circumference interval to even the spouting fuel in to smelting furnace main part 1, the heat distribution is even after the fuel burning, and the dissolution efficiency of leaded waste material is high. Alternatively, the spray guns 2 are evenly arranged in 2-8. Preferably, the spray guns 2 are uniformly arranged in 4-6. It should be understood that this scheme of adoption lead recovery submergence smelting furnace, because the optimization of spray gun 2 and spout setting position, make energy utilization rate obviously improve, along with energy utilization rate's improvement, the energy output quantity of the spray gun 2 of selecting for use just can suitably reduce and can reach and far exceed even the smelting efficiency and the handling capacity of the current lead recovery smelting furnace under the same condition, for current lead recovery smelting furnace promptly, this scheme lead recovery submergence smelting furnace can adopt still less 2 quantity of spray gun and select for use spray gun 2 that the output quantity is littleer, and then the use amount of the energy has been practiced thrift.
As shown in fig. 2, in the present embodiment, the central axis direction of the nozzle 21 is arranged in the horizontal direction. Specifically, when the outlet direction of the nozzle 21 is inclined upward, the material is easily impacted to turn upward to block the nozzle 21; when the outlet direction of the nozzle 21 is inclined downwards, the metal material is easy to impact and turn over, so that layering disorder is caused, and the lead recovery production efficiency is reduced; therefore, the outlet direction of the nozzle 21 is arranged in the horizontal direction, the nozzle 21 can be prevented from being clogged, and the lead recovery production efficiency is not easily lowered.
As shown in fig. 3, in this embodiment, the spray gun 2 further comprises a spray pipe 22 connected to the spray nozzle 21, a first air inlet pipe 23 communicated with the inner cavity of the spray pipe 22 for delivering air to the inner cavity of the spray pipe 22, a second air inlet pipe 24 communicated with the inner cavity of the spray pipe 22 for delivering oxygen-enriched air to the inner cavity of the spray pipe 22, and a third air inlet pipe 25 communicated with the inner cavity of the spray pipe 22 for delivering natural gas to the inner cavity of the spray pipe 22. Specifically, air is transmitted to the inner cavity of the spray pipe 22 through the first air inlet pipeline 23 to provide oxygen for combustion, and oxygen-enriched air is transmitted to the inner cavity of the spray pipe 22 through the second air inlet pipeline to provide sufficient oxygen for full combustion of fuel, so that the energy utilization rate is improved; natural gas is delivered to the interior of the nozzle 22 via a third gas inlet duct 25 to provide fuel for combustion.
In this embodiment, the spray gun 2 further includes a first control valve disposed on the first air inlet duct 23 for controlling the air flow rate; and/or a second control valve arranged on the second air intake conduit 24 for controlling the flow of oxygen-enriched air; and/or a third control valve for controlling the flow rate of natural gas, which is disposed on the third intake duct 25. Specifically, the air flow, the oxygen-enriched air flow and the natural gas flow are controlled by a first control valve, a second control valve and a third control valve respectively, so that the gas flow is adjusted according to the combustion condition in the smelting furnace, and the energy utilization rate is improved. It should be understood that the various gases and the separate injections may also be mixed injections. It will be appreciated that the lance 2 has three modes: first, only natural gas is supplied; secondly, only oxygen-enriched air is supplied; and thirdly, providing a mixed gas of natural gas and oxygen-enriched air. When lead is recycled and smelted, other fluxes, fuels and the like are added besides the lead-containing waste, so that the three modes of the spray gun 2 need to be adjusted and controlled according to the pressure, the temperature and the material quantity in the smelting furnace main body 1, the proportion of the added materials, the output quantity of the spray gun 2 and the like; the proportion of the added materials is known, the pressure, the temperature and the material quantity in the smelting furnace main body 1 and the output quantity of the spray gun 2 can be realized by adopting the conventional common corresponding sensors, such as the known common pressure sensor, the known common temperature thermocouple, the known common flow sensor, the known common weight sensor, the known common laser sensor, the known common smoke sensor and the like, for monitoring, outputting signals to the controller, and controlling the corresponding switching mode of the spray gun 2 by the controller. The matching relationship can be obtained through limited tests, debugging and known experiences in the field by the material ratio, the monitored parameter information and the mode of the spray gun 2.
As shown in fig. 1 and fig. 2, in the present embodiment, the lead recovery immersion smelting furnace includes at least one smelting device, the smelting device includes a plurality of smelting furnace main bodies 1, and a communicating flue 3 for communicating flue gas is arranged between two adjacent smelting furnace main bodies 1. Preferably, the smelting apparatus comprises two smelting furnace bodies 1. Specifically, two smelting furnace main parts 1 of smelting equipment work in turn, when one of them smelting furnace main part 1 of smelting equipment was in order to smelt leaded waste, the flue gas that produces among the smelting process got into in another smelting furnace main part 1 of treating work through UNICOM flue 3 to the leaded waste in another smelting furnace main part 1 of treating work heats, realizes effectively utilizing thermal in the flue gas promptly, improves heat utilization efficiency greatly. Alternatively, in another embodiment, the melting furnace apparatus includes three melting furnace bodies 1. It should be understood that in other embodiments the smelting apparatus comprises three, four or five smelting furnace bodies 1.
As shown in fig. 1, in this embodiment, a flue gas communicating port and a flue gas outlet are formed in a side wall of a main body 1 of the smelting furnace, the flue gas communicating port is communicated with a communicating flue 3, and the smelting apparatus further includes an outlet flue gas channel 4 communicated with the flue gas outlet and a flue valve 5 disposed in the outlet flue gas channel 4. Specifically, two smelting furnace main bodies 1 of the smelting equipment work alternately, a flue valve 5 closes a flue gas outlet on the smelting furnace main body 1, and the flue valve 5 opens a flue gas outlet on the smelting furnace main body 1 to be worked, so that flue gas generated in the smelting process enters the smelting furnace main body 1 to be worked through a flue gas communicating port and a communicating flue 3, most of the flue gas is settled in the smelting furnace main body 1 to be worked, and the rest of the flue gas is discharged through the flue gas outlet and an outlet flue gas channel 4 on the smelting furnace main body 1 to be worked. Optionally, the flue valve 5 is a water-cooled valve. It should be understood that the specific structure of the water-cooled valve belongs to the known technology of the person skilled in the art, and will not be described in too much detail here.
In this embodiment, the smelting equipment further includes a flue gas treatment device communicated with the outlet flue gas channel 4 and used for performing dust removal and desulfurization treatment on the flue gas. Specifically, the flue gas treatment equipment is communicated with the outlet flue gas channel 4 to remove dust and remove sulfur from the flue gas, so that the flue gas is discharged after reaching the emission standard. It should be understood that the specific structure of the flue gas treatment device is well known to those skilled in the art and will not be described in excessive detail herein.
As shown in fig. 1 and 2, in the present embodiment, the melting furnace main body 1 is cylindrical. It should be understood that, from the viewpoint of raw material adaptability, the cylindrical smelting furnace main body 1 is quite suitable for treating the converted waste storage battery lead plaster; from the aspect of cost analysis, the cylindrical smelting furnace body 1 is low in investment construction and cost and production cost.
In this embodiment, the melting furnace apparatus further includes a gas collecting hood disposed on the feeding port 11. Specifically, the flue gas discharged from the feed port 11 is collected by the gas collecting channel to reduce environmental pollution.
The above description is only a preferred embodiment of the present invention and is not intended to limit the present invention, and various modifications and changes may be made by those skilled in the art. Any modification, equivalent replacement, or improvement made within the spirit and principle of the present invention should be included in the protection scope of the present invention.
Claims (10)
1. The utility model provides a lead recovery submergence smelting furnace, including be used for smelting the smelting furnace main part (1) that contains lead waste material and lay on the lateral wall of smelting furnace main part (1) be used for to contain lead waste material output gas mixture in smelting furnace main part (1) in order to provide spray gun (2) of smelting heat energy, feed inlet (11) in being used for supplying to contain lead waste material entering smelting furnace main part (1) are seted up to the top of smelting furnace main part (1), slag tap hole (12) that are used for discharging the slag are seted up to the lateral wall of smelting furnace main part (1), lead tap hole (13) that are used for discharging the lead bullion are seted up to the bottom of smelting furnace main part (1), a serial communication port, the laying position of spray gun (2) and the position phase-match that contains lead waste material in smelting furnace main part (1) are located, spray gun (2) are used for to containing lead waste material output gas mixture in order to provide the nozzle (21) of smelting heat energy including the region that contains lead waste material that locates in the region of laying in smelting furnace main part (1).
2. The lead recovery submerged smelting furnace according to claim 1, characterized by a plurality of lances (2) arranged evenly at intervals in the vertical and/or circumferential direction of the furnace body (1).
3. The lead recovery immersion smelting furnace according to claim 1, characterized by the central axis of the nozzle (21) being arranged in horizontal direction.
4. The lead recovery submerged smelting furnace according to claim 1, characterized by the lance (2) further comprising a lance (22) connected to the nozzle (21), a first air inlet duct (23) communicating with the inner cavity of the lance (22) for transporting air to the inner cavity of the lance (22), a second air inlet duct (24) communicating with the inner cavity of the lance (22) for transporting oxygen-enriched air to the inner cavity of the lance (22), and a third air inlet duct (25) communicating with the inner cavity of the lance (22) for transporting natural gas to the inner cavity of the lance (22).
5. The lead recovery immersion smelting furnace according to claim 4, characterized by the lance (2) further comprising a first control valve for controlling air flow arranged on the first air inlet duct (23); and/or
A second control valve arranged on the second air inlet pipeline (24) and used for controlling the flow of the oxygen-enriched air; and/or
And a third control valve arranged on the third gas inlet pipeline (25) and used for controlling the flow of the natural gas.
6. The lead recovery immersion smelting furnace according to any one of claims 1 to 5, characterized by at least one smelting unit comprising a plurality of smelting furnace bodies (1), and a communicating flue (3) for communicating flue gas is arranged between two adjacent smelting furnace bodies (1).
7. The lead recovery immersion smelting furnace according to claim 6, characterized in that a flue gas communicating port and a flue gas outlet are opened on the side wall of the smelting furnace main body (1), the flue gas communicating port is communicated with the communicating flue (3), the smelting equipment further comprises an outlet flue gas channel (4) communicated with the flue gas outlet and a flue valve (5) arranged in the outlet flue gas channel (4).
8. The lead recovery immersion smelting furnace according to claim 7, characterized by the smelting equipment further comprising flue gas treatment equipment communicating with the outlet flue gas channel (4) for dust removal and desulphurization treatment of the flue gas.
9. A lead recovery immersion smelting furnace according to any one of the claims 1 to 5, characterized in that the smelting furnace body (1) is cylindrical.
10. A lead recovery immersion smelting furnace according to any one of the claims 1 to 5, characterized in that the smelting furnace plant also includes gas hoods arranged at the feed opening (11).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202221937066.XU CN218238342U (en) | 2022-07-26 | 2022-07-26 | Lead recovery immersion smelting furnace |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202221937066.XU CN218238342U (en) | 2022-07-26 | 2022-07-26 | Lead recovery immersion smelting furnace |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN218238342U true CN218238342U (en) | 2023-01-06 |
Family
ID=84678798
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202221937066.XU Active CN218238342U (en) | 2022-07-26 | 2022-07-26 | Lead recovery immersion smelting furnace |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN218238342U (en) |
-
2022
- 2022-07-26 CN CN202221937066.XU patent/CN218238342U/en active Active
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN101768670B (en) | Method for smelting lead-containing material | |
| CN101086038B (en) | Direct lead smelting method in molten pool and its device | |
| CN102851518B (en) | Fubang oxygen-enriched side-blown bath copper smelting furnace and operation method thereof | |
| CN101165196A (en) | Technique for continuously smelting copper by employing oxygen bottom converter and device thereof | |
| CN101328543A (en) | Oxygen bottom blowing continuous copper smelting apparatus | |
| CN101348842B (en) | Oxygen top blown smelting reduction iron manufacturing process | |
| CN201648490U (en) | Lead-containing material smelting device | |
| CN107227409B (en) | Bottom side blowing molten pool reduction furnace for liquid high-lead slag | |
| CN101328547A (en) | Converting process of bottom blowing converting furnace continuous copper smelting | |
| CN102796875B (en) | Zinc leaching residue treatment unit and treatment process | |
| CN101328545A (en) | Process of oxygen bottom blowing continuous copper smelting | |
| CN200988859Y (en) | Oxygen bottom blowing melting furnace | |
| CN101328544A (en) | Bottom blowing converting furnace for bottom blowing continuous copper smelting | |
| CN103451444A (en) | Device and technology for smelting and processing secondary lead materials to generate lead bullion by adopting bottom blowing furnace hearth | |
| CN109022799A (en) | The device and its smelting technology of the continuous two-part melting earth of positive pole of one | |
| CN102758094A (en) | Technology and device thereof adopting bottom blowing molten bath for antimony reduction and smelting | |
| CN101922861A (en) | Smelting furnace | |
| CN102021347B (en) | Slag pulverized coal direct reduction lead smelting process and pulverized coal reduction lead smelting horizontal smelting device | |
| CN218238342U (en) | Lead recovery immersion smelting furnace | |
| CN104928493A (en) | Method of adopting oxygen-enriched vortex bath smelting furnace to treat secondary copper-containing sundry | |
| CN104232929B (en) | A kind of higher-grade composition brass refining furnace system | |
| CN216925148U (en) | Heat accumulating type horseshoe flame pool furnace capable of filtering scum and removing iron | |
| CN101565767A (en) | Method for melting reduction iron making | |
| CN201778088U (en) | Oxygen-bottom-blowing silver-smelting furnace | |
| CN205127626U (en) | A high -efficient combination dust remover of multistage wet -type for smelting furnace |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant |