CN203794961U - Oxygen-enriched side-blown dual-area-melting-bath melting furnace - Google Patents
Oxygen-enriched side-blown dual-area-melting-bath melting furnace Download PDFInfo
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- CN203794961U CN203794961U CN201320886522.7U CN201320886522U CN203794961U CN 203794961 U CN203794961 U CN 203794961U CN 201320886522 U CN201320886522 U CN 201320886522U CN 203794961 U CN203794961 U CN 203794961U
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Abstract
The utility model discloses an oxygen-enriched side-blown dual-area-melting-bath melting furnace. The oxygen-enriched side-blown dual-area-melting-bath melting furnace comprises a furnace body and a melting bath, wherein the furnace body comprises a furnace lining, a water jacket and a charging opening, the water jacket is arranged outside the furnace body, a smoke hood and the charging opening are arranged at the top of the furnace body, furnace body ventilation openings are formed in the two sides of the lower part of the furnace body, the internal middle-lower part of the furnace body is a main melting bath area, an auxiliary melting bath area is arranged on the outer side face of the furnace body, an upper opening of the auxiliary melting bath area is communicated with the bottom face of the furnace body through a melt flow guiding port, and an auxiliary smoke tube is arranged at the top of the auxiliary melting bath area and is communicated with the upper part of the furnace body. According to the oxygen-enriched side-blown dual-area-melting-bath melting furnace, a dual-area design is adopted, a melting area is divided into a main furnace-body dynamic melting area and an auxiliary melting-bath static settlement area, the furnace body and the melting bath are connected by the melt flow guiding port, and oxygen-enriched air, molten metal melt and a solid furnace charge are subjected to violent chemical reaction in the furnace-body dynamic main melting area; in the melting-bath static settlement area, the oxygen-enriched air introduced from melting bath ventilation openings is subjected to low-amplitude agitation in the melting bath, so that favorable conditions are created for the convergence and settlement of the metal melt, and the content of metals in discharged furnace slag can be remarkably lowered.
Description
Technical field
The utility model belongs to non-ferrous metal pyrometallurgical smelting apparatus field, is specifically related to a kind of oxygen-enriched side-blown dual-area bath smelting furnace.
Background technology
In non-ferrous metal pyrometallurgical smelting equipment, the advantage such as bath smelting furnace is strong with its adaptability to raw material, production efficiency is high, smoke discharge amount is few, metal in the dreg residual quantity is low, is used widely.Particularly, for secondary resources such as many metals, the non-ferro metals debris that low-grade, foreign matter content is high, melting waste slags, bath smelting furnace can reclaim metals resources fast, economically, preserves the ecological environment.
Bath smelting furnace large-scale application is produced in copper smelt industry, existing copper metallurgy technique has flash smelting, top blast submergence melting, Rouyn-Noranda melting, silver copper metallurgy, bottom-blown smelting, Wa Niukefu side-blown melting etc., use oxygen-rich air to blast in stove, form solid-liquid-gas three-phase smelting zone, intensified smelting process, accelerates speed of melting.
Wa Niukefu shaft is comprised of furnace foundation, cupola well and watercooling jacket etc., copper ore concentrates, flux etc. are added in stove by the charging opening that is located at furnace roof, with the oxygen generation series of chemical blasting in stove, the matte and the slag that generate complete settlement separate in stove, by the slag spillway and the matte siphon port that are located at lower portion of furnace body, emitted respectively, flue dust is discharged by the flue of furnace roof top again.Because air port is located at restoration of lower stack, the oxygen strong stirring smelting zone blasting, without rational settlement separate space, the matte of its generation and slag are subject to stirring and impact, cannot quick and complete separation, in slag, copper content is higher, is the remaining copper reclaiming in slag, also need build and process smelting slag with huger slag dressing-works and equipment, economic aspect is unreasonable.At present, the domestic bath smelting type of furnace newly developed, also has by increase partition wall in stove, distinguish smelting zone and realize the complete separated of matte and slag with negative area, but need larger hearth area, and partition wall washes away by melt in hot environment for a long time, care and maintenance difficulty.Therefore, developing a kind of oxygen-enriched side-blown dual-area bath smelting furnace is the key point addressing the above problem.
Utility model content
It is a kind of simple in structure that the purpose of this utility model is to provide, be easy to implement, the reliable oxygen-enriched side-blown dual-area of working stability bath smelting furnace, be divided into He Fu molten bath district, the main molten bath of dynamic body of heater district, oxidation reduces dynamic fusion process and static settling process respectively, reduces the consumption of coke, accelerates speed of melting, improve specific capacity, smelt residual metal in the dreg content and be controlled at lower level.
The purpose of this utility model is to realize like this, comprise body of heater and molten bath, described body of heater comprises furnace lining, water jacket, charging opening, described body of heater outer setting water jacket, body of heater top arranges petticoat pipe and charging opening, described lower portion of furnace body both sides arrange body of heater ventilation opening, Wei Zhu molten bath district, middle and lower part in described body of heater, described body of heater outer side arranges secondary molten bath district, described secondary molten bath district is suitable for reading to be communicated with body of heater underrun fused mass flow guiding mouth, described top, district, secondary molten bath arranges secondary smoke pipe and is communicated with upper of furnace body, described top, district, secondary molten bath arranges secondary smoke pipe, secondary charging opening, described secondary molten bath district side wall upper part arranges slag notch, described sidewall bottom, secondary molten bath district arranges drain hole, described wall middle part, secondary molten bath district is symmetrical arranged molten bath ventilation opening, described top, district, secondary molten bath is communicated with body of heater by fused mass flow guiding mouth, under described fused mass flow guiding mouth, edge is apart from bottom of furnace body 5 ~ 30cm, described fused mass flow guiding mouth connects body of heater end higher than auxiliary connection molten bath district end, its angle of inclination is 1 ~ 10 °, described fused mass flow guiding mouth is bell mouth shape from body of heater Xiang Fu molten bath district direction, the cross section of described fused mass flow guiding mouth is arched door structure, be that bottom is rectangle, top arranges dome, described lower portion of furnace body zygomorphy arranges body of heater ventilation opening, ventilation opening comprises two rows ventilation hole, on described body of heater ventilation opening, lower row's ventilation hole is crisscross arranged.
The utility model adopts two-region design, and melting region is divided into the static secondary negative area in the dynamic main smelting zone of body of heater and molten bath, by fused mass flow guiding mouth, body of heater is connected with molten bath.In the dynamic main smelting zone of body of heater, oxygen-rich air blasts in stove from lower portion of furnace body, and oxygen-rich air, molten metal melt and solid-state furnace charge form solid-liquid-gas phase reaction district, and effect of mass transmitting is stirred in oxygen-rich air strengthening, and violent chemical reaction occurs.In static secondary negative area, molten bath, metal melt is relative with slag static, and the oxygen-rich air blasting from molten bath ventilation opening produces by a narrow margin and stirs secondary molten bath, converges sedimentation create favorable conditions to metal melt, and in the slag that makes to discharge, metal content significantly reduces.The utility model is simple in structure, and it is convenient to implement, easy to maintenance.
Accompanying drawing explanation
Fig. 1 is overall schematic of the present utility model;
Fig. 2 is the another kind of embodiment schematic diagram of the utility model;
Fig. 3 is body of heater side schematic view of the present utility model;
Fig. 4 is that the A-A of Fig. 2 is to sectional view;
In figure: 1-furnace lining, 2-water jacket, 3-charging opening, 4-petticoat pipe, 5-slag notch, 6-drain hole, 7-body of heater ventilation opening, 8-molten bath ventilation opening, 9-fused mass flow guiding mouth, the secondary smoke pipe of 10-, the secondary charging opening of 11-, 12-dross nail.
Embodiment
Below in conjunction with accompanying drawing, the utility model is further described, but never in any form the utility model is limited, any conversion or the replacement based on the utility model training centre, done, all belong to protection domain of the present utility model.
As shown in Figure 1, the utility model comprises body of heater and molten bath, described body of heater comprises furnace lining 1, water jacket 2, charging opening 3, described body of heater outer setting water jacket 2, body of heater top arranges petticoat pipe 4 and charging opening 3, described lower portion of furnace body both sides arrange body of heater ventilation opening 7, Wei Zhu molten bath district, middle and lower part in described body of heater, described body of heater outer side arranges secondary molten bath district, described secondary molten bath district is suitable for reading to be communicated with body of heater underrun fused mass flow guiding mouth 9, and described top, district, secondary molten bath arranges secondary smoke pipe 10 and is communicated with upper of furnace body.
Described top, district, secondary molten bath arranges secondary smoke pipe 10, secondary charging opening 11, described secondary molten bath district side wall upper part arranges slag notch 5, described sidewall bottom, secondary molten bath district arranges drain hole 6, described wall middle part, secondary molten bath district is symmetrical arranged molten bath ventilation opening 8, and described top, district, secondary molten bath is communicated with body of heater by fused mass flow guiding mouth 9.
Under described fused mass flow guiding mouth 9, along apart from bottom of furnace body 5 ~ 30cm, can make to leave metal melt in body of heater, keep body of heater smelting temperature.
Described fused mass flow guiding mouth 9 connects body of heater end higher than auxiliary connection molten bath district end, and its angle of inclination is 1 ~ 10 °, is convenient to metal melt in body of heater and flows into molten bath.
Described fused mass flow guiding mouth 9 is bell mouth shape from body of heater Xiang Fu molten bath district direction, can make metal melt flow into smooth and easy.
As shown in Figure 2, the cross section of described fused mass flow guiding mouth 9 is arched door structure, and bottom is rectangle, and top arranges dome, forms siphon passage, metal melt is interrupted and flows in molten bath.
Described lower portion of furnace body zygomorphy arranges body of heater ventilation opening 7, and ventilation opening comprises two rows ventilation hole, and lower exhaust outlet is immersed in metal melt, to melt inside, blows oxygen-rich air, and upper exhaust outlet, at melt liquid level place, can reduce melt and splash.
On described body of heater ventilation opening 7, lower row's ventilation hole is crisscross arranged, and oxygen-rich air in body of heater is evenly distributed.
Uniform dross nail 12 on the furnace lining 1 of middle part in described body of heater, slag forms protective layer on furnace wall, avoids the blowing-ouf of lines, extends furnace lining work-ing life.
The distance that described dross nail is 12 is 10 ~ 15cm.
the utility model principle of work and working process:
The utility model adopts fused mass flow guiding mouth that body of heater is communicated with molten bath, melting region is divided into dynamic main smelting zone and static secondary negative area, in dynamic main smelting zone, oxygen-rich air blasts in stove from lower portion of furnace body, furnace charge, metal melt and oxygen-rich air mix mutually, solid-liquid-gas three-phase fully contacts, and effect of mass transmitting is stirred in strengthening, and violent chemical reaction occurs.In the secondary negative area of the static state in molten bath, metal melt and slag are only subject to the stirring of the oxygen-rich air that blasts from molten bath ventilation opening, produce by a narrow margin and stir, and converge sedimentation create favorable conditions to metal melt, and in the slag that makes to discharge, metal content significantly reduces.
In metallic copper smelting process, the furnace charge that enters preparing is added from the charging opening of upper of furnace body, oxygen-rich air blasts from the body of heater ventilation opening of lower portion of furnace body, the furnace charge burning of being heated in body of heater, there is strong chemical reaction, the flue dust generating is through entering dust collecting system by furnace roof petticoat pipe, the matte melt generating and slag mixture flow in molten bath through communicating aperture, in molten bath, stirred by a narrow margin, and can add the reductive agents such as coke by secondary charging opening, improve the isolating environment of melt and slag, standing rear slag is emitted from slag-drip opening, and matte is emitted from drain hole.The dynamic main smelting zone of the utility model is completely separated with static secondary negative area, is independent of each other, and rationally distributed settlement space, and simple in structure, it is convenient to implement, easy to maintenance.
Claims (3)
1. an oxygen-enriched side-blown dual-area bath smelting furnace, comprise body of heater and molten bath, described body of heater comprises furnace lining (1), water jacket (2), charging opening (3), described body of heater outer setting water jacket (2), body of heater top arranges petticoat pipe (4) and charging opening (3), described lower portion of furnace body both sides arrange body of heater ventilation opening (7), Wei Zhu molten bath district, middle and lower part in described body of heater, it is characterized in that: described body of heater outer side arranges secondary molten bath district, described secondary molten bath district is suitable for reading to be communicated with body of heater underrun fused mass flow guiding mouth (9), described top, district, secondary molten bath arranges secondary smoke pipe (10) and is communicated with upper of furnace body, described top, district, secondary molten bath arranges secondary smoke pipe (10), secondary charging opening (11), described secondary molten bath district side wall upper part arranges slag notch (5), described sidewall bottom, secondary molten bath district arranges drain hole (6), described wall middle part, secondary molten bath district is symmetrical arranged molten bath ventilation opening (8), described top, district, secondary molten bath is communicated with body of heater by fused mass flow guiding mouth (9), under described fused mass flow guiding mouth (9), edge is apart from bottom of furnace body 5 ~ 30cm, described fused mass flow guiding mouth (9) connects body of heater end higher than auxiliary connection molten bath district end, its angle of inclination is 1 ~ 10 °, described fused mass flow guiding mouth (9) is bell mouth shape from body of heater Xiang Fu molten bath district direction, the cross section of described fused mass flow guiding mouth (9) is arched door structure, be that bottom is rectangle, top arranges dome, described lower portion of furnace body zygomorphy arranges body of heater ventilation opening (7), ventilation opening comprises two rows ventilation hole, on described body of heater ventilation opening (7), lower row's ventilation hole is crisscross arranged.
2. bath smelting furnace according to claim 1, is characterized in that: the upper uniform dross nail of middle part furnace lining (1) (12) in described body of heater.
3. bath smelting furnace according to claim 2, is characterized in that: the distance between described dross nail (12) is 10 ~ 15cm.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201320886522.7U CN203794961U (en) | 2013-12-31 | 2013-12-31 | Oxygen-enriched side-blown dual-area-melting-bath melting furnace |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201320886522.7U CN203794961U (en) | 2013-12-31 | 2013-12-31 | Oxygen-enriched side-blown dual-area-melting-bath melting furnace |
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| Publication Number | Publication Date |
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| CN203794961U true CN203794961U (en) | 2014-08-27 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201320886522.7U Expired - Fee Related CN203794961U (en) | 2013-12-31 | 2013-12-31 | Oxygen-enriched side-blown dual-area-melting-bath melting furnace |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106766889A (en) * | 2017-01-03 | 2017-05-31 | 湖南建勋环保资源科技发展有限公司 | A kind of side blowing smelting furnace in stove in-vitro separation slag charge |
| CN110066917A (en) * | 2018-01-24 | 2019-07-30 | 中国瑞林工程技术有限公司 | The system and method for handling ferrous material |
-
2013
- 2013-12-31 CN CN201320886522.7U patent/CN203794961U/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106766889A (en) * | 2017-01-03 | 2017-05-31 | 湖南建勋环保资源科技发展有限公司 | A kind of side blowing smelting furnace in stove in-vitro separation slag charge |
| CN110066917A (en) * | 2018-01-24 | 2019-07-30 | 中国瑞林工程技术有限公司 | The system and method for handling ferrous material |
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| 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: 20140827 Termination date: 20161231 |
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| CF01 | Termination of patent right due to non-payment of annual fee |