CN202081154U - Oxygen side-blowing continuous converting furnace - Google Patents
Oxygen side-blowing continuous converting furnace Download PDFInfo
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- CN202081154U CN202081154U CN201120170039XU CN201120170039U CN202081154U CN 202081154 U CN202081154 U CN 202081154U CN 201120170039X U CN201120170039X U CN 201120170039XU CN 201120170039 U CN201120170039 U CN 201120170039U CN 202081154 U CN202081154 U CN 202081154U
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- water sleeve
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Abstract
The utility model relates to a non-ferrous metallurgical device, in particular to an oxygen side-blowing continuous converting furnace, which comprises a furnace cylinder, a furnace body and a furnace top arranged on the upper part of the furnace body. The furnace body is provided with a copper water sleeve, and the furnace top is provided with a steel water sleeve. The oxygen side-blowing continuous converting furnace is characterized in that one side outside the copper water sleeve is provided with a siphon chamber, one end of the furnace body is provided with a feeding port communicated with the copper water sleeve, the other end of the furnace body is provided with a siphon discharging port communicated with the siphon chamber, the lower parts of the two sides of the copper water sleeve 2 are respectively provided with a primary air nozzle, and the upper parts of the two sides of the copper water sleeve are respectively provided with a secondary air port; and one side of the siphon chamber is provided with a conversion slag discharging port. Oxygen-rich conversion is adopted by the oxygen side-blowing continuous converting furnace, and the rate of chemical reaction is increased; matte in a liquid state is fed, and energy can be saved; and due to continuous conversion and stable flue gas, the later acid preparation can be facilitated, the labor intensity can be reduced, and the onsite working environment can be improved.
Description
Technical field
The utility model relates to a kind of nonferrous metallurgical equipment, specifically is a kind of oxygen side-blowing continuous-blowing furnace.
Background technology
The present pyrometallurgical smelting of China's copper, smelt stage mainly contains flash smelting, Ao Simaite melting, Rouyn-Noranda melting, Ai Sha melting, oxygen-enriched side-blowing bath melting, silver melting and traditional blast furnace smelting, electrosmelting, reverberatory smelting etc.Because shortcomings such as traditional melting mode energy consumption height, environmental pollution is serious, level of automation is low are superseded substantially.Other melting mode still is the current melting mode that adopts, and all can satisfy environmental emission standard.Blowing stage major part still adopts the PS converter, because the PS converter is to be interrupted operation, the matte of melting output adds the PS converter by the matte bag, causes the SO2 low latitude to overflow like this, and workshop condition is abominable.Because the PS converter is interrupted operation, the flue gas fluctuation is big, is unfavorable for the later stage flue gas acid preparing.
Adopt the two kinds of methods that have of continuous converting at present:
First kind is the Mitsubishi process of MIT's research and development, and its technology comprises S stove, CL stove, three stoves compositions of C stove, and three stoves connect by chute, and the S stove is the top blow smelting stove, and the CL stove is a slag cleaning furnace, and the C stove is the top blast continuous-blowing furnace.
Second kind is the copper metallurgy technology of U.S. kennecott copper smelting plant, adopts flash smelting, and the flash blowing is adopted in matte shrend, levigate, dry, and China also has copper smelting plant to adopt this technology at present.
Three stoves of first kind of Mitsubishi's technology are that height is arranged, connect by chute, like this building are just had higher requirement; Simultaneously must guarantee the equal works better of all stoves, interrupt causing producing in case a certain stove goes wrong.Second kind of flash blowing technology, matte must pass through operations such as shrend, levigate, drying, and technical process is long on the one hand, and production cost increases, and has lost high-temperature fusant physics heat on the other hand, the energy consumption increase.
Summary of the invention
The purpose of this utility model is at the deficiencies in the prior art, and a kind of oxygen side-blowing continuous-blowing furnace is provided, and good operational environment, energy consumption is low, production is continuous, flue gas fluctuation is little.
The technical solution of the utility model is, a kind of oxygen side-blowing continuous-blowing furnace, the furnace roof that comprises cupola well, shaft and shaft top, and be provided with copper water jacket at shaft, furnace roof is provided with the molten steel cover, it is characterized in that, the outer side of copper water jacket is provided with the siphon chamber, and shaft one end is provided with the opening for feed that is communicated with copper water jacket, and the shaft the other end is provided with the siphon escape orifice that is communicated with the siphon chamber, and be respectively equipped with tuyere one time in bottom, copper water jacket 2 both sides, top, copper water jacket both sides is respectively equipped with overfiren air port; Described siphon chamber one side is provided with blowing slag escape orifice.
Furnace roof is provided with charging opening.
Furnace roof is provided with smoke outlet.
Be provided with refractory materials in the described copper water jacket.
Described molten steel cover bottom surface is provided with refractory castable.
The matte of emitting from smelting furnace passes through the opening for feed inflow continuous-blowing furnace of chute from oxygen side-blowing continuous-blowing furnace one end, flux and cold burden add from the top filling mouth, oxygen-rich air blasts the melt from a special tuyere, the violent stirring melt, speed of reaction is fast, matte blows into blister copper fast, blister copper and slag enter the siphon chamber further to be separated, blister copper is emitted from the siphon escape orifice of bottom and is entered anode refining furnace, slag is emitted shrend from cinder notch, but the air that overfiren air port enters makes the abundant after-flame of combustible gas in the copper water jacket, and the high-temperature flue gas that blowing produces enters the waste heat boiler recovery waste heat from the furnace roof exhanst gas outlet, send acid making system after electricity gathers dust.
As known from the above, the utility model adopts oxygen-enriched air converting as a kind of oxygen side-blowing continuous-blowing furnace, has improved chemical reaction rate; The matte liquid feed, energy efficient; Continuous converting, flue gas is stable to be beneficial to later stage relieving haperacidity, and has reduced labour intensity, has improved the work on the spot environment.
Description of drawings
Fig. 1 is the structural representation of a kind of embodiment of the utility model;
Fig. 2 is an A-A face synoptic diagram among Fig. 1.
Embodiment
As shown in Figure 1 and Figure 2, a kind of oxygen side-blowing continuous-blowing furnace, the furnace roof that comprises cupola well, shaft and shaft top, and in shaft, be provided with copper water jacket 2, and being provided with molten steel cover 4 in the furnace roof, copper water jacket 2 outer sides are provided with siphon chamber 8, shaft one end is provided with the opening for feed 3 that is communicated with copper water jacket 2, the shaft the other end is provided with the siphon escape orifice 9 that is communicated with siphon chamber 8, and is respectively equipped with tuyere 1 one time in bottom, copper water jacket 2 both sides, and top, copper water jacket 2 both sides is respectively equipped with overfiren air port 10; Described siphon chamber 8 one sides are provided with blowing slag escape orifice 7, and furnace roof is provided with charging opening 5, and furnace roof is provided with smoke outlet 6, is provided with refractory materials in the copper water jacket 2, and molten steel overlaps 4 bottom surfaces and is provided with refractory castable.
Claims (5)
1. oxygen side-blowing continuous-blowing furnace, the furnace roof that comprises cupola well, shaft and shaft top, and be provided with copper water jacket (2) at shaft, furnace roof is provided with molten steel cover (4), it is characterized in that, the outer side of copper water jacket (2) is provided with siphon chamber (8), shaft one end is provided with the opening for feed (3) that is communicated with copper water jacket (2), the shaft the other end is provided with the siphon escape orifice (9) that is communicated with siphon chamber (8), and be respectively equipped with a tuyere (1) in copper water jacket (2) bottom, both sides, copper water jacket (2) top, both sides is respectively equipped with overfiren air port (10); Described siphon chamber (8) one sides are provided with blowing slag escape orifice (7).
2. according to the described oxygen side-blowing continuous-blowing furnace of claim 1, it is characterized in that furnace roof is provided with charging opening (5).
3. according to the described oxygen side-blowing continuous-blowing furnace of claim 1, it is characterized in that furnace roof is provided with smoke outlet (6).
4. according to the described oxygen side-blowing continuous-blowing furnace of claim 1, it is characterized in that described copper water jacket is provided with refractory materials in (2).
5. according to the described oxygen side-blowing continuous-blowing furnace of claim 1, it is characterized in that described molten steel cover (4) bottom surface is provided with refractory castable.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201120170039XU CN202081154U (en) | 2011-05-25 | 2011-05-25 | Oxygen side-blowing continuous converting furnace |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201120170039XU CN202081154U (en) | 2011-05-25 | 2011-05-25 | Oxygen side-blowing continuous converting furnace |
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| Publication Number | Publication Date |
|---|---|
| CN202081154U true CN202081154U (en) | 2011-12-21 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201120170039XU Expired - Fee Related CN202081154U (en) | 2011-05-25 | 2011-05-25 | Oxygen side-blowing continuous converting furnace |
Country Status (1)
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Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102828048A (en) * | 2012-09-07 | 2012-12-19 | 白银有色集团股份有限公司 | Method for improving smelting furnace capacity for treating low-grade entering-furnace materials with complex components |
| CN102828046A (en) * | 2012-09-07 | 2012-12-19 | 白银有色集团股份有限公司 | Method for improving converting efficiency in silver molten pool copper smelting process |
| CN103484688A (en) * | 2013-10-14 | 2014-01-01 | 赤峰金峰冶金技术发展有限公司 | Double-furnace double-side blowing slag forming and top blowing copper making continuous converting furnace |
| CN105177315A (en) * | 2014-04-28 | 2015-12-23 | 锡矿山闪星锑业有限责任公司 | Device for producing crude antimonous oxide through oxygen-enriched side-blown volatilization melting bath in smelting mode |
-
2011
- 2011-05-25 CN CN201120170039XU patent/CN202081154U/en not_active Expired - Fee Related
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102828048A (en) * | 2012-09-07 | 2012-12-19 | 白银有色集团股份有限公司 | Method for improving smelting furnace capacity for treating low-grade entering-furnace materials with complex components |
| CN102828046A (en) * | 2012-09-07 | 2012-12-19 | 白银有色集团股份有限公司 | Method for improving converting efficiency in silver molten pool copper smelting process |
| CN103484688A (en) * | 2013-10-14 | 2014-01-01 | 赤峰金峰冶金技术发展有限公司 | Double-furnace double-side blowing slag forming and top blowing copper making continuous converting furnace |
| CN105177315A (en) * | 2014-04-28 | 2015-12-23 | 锡矿山闪星锑业有限责任公司 | Device for producing crude antimonous oxide through oxygen-enriched side-blown volatilization melting bath in smelting mode |
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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 | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20111221 Termination date: 20190525 |