CN2325402Y - Zinc slag metallurgic recovery furnace - Google Patents
Zinc slag metallurgic recovery furnace Download PDFInfo
- Publication number
- CN2325402Y CN2325402Y CN 98211458 CN98211458U CN2325402Y CN 2325402 Y CN2325402 Y CN 2325402Y CN 98211458 CN98211458 CN 98211458 CN 98211458 U CN98211458 U CN 98211458U CN 2325402 Y CN2325402 Y CN 2325402Y
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- China
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- zinc
- furnace
- melting chamber
- chamber
- cadmia
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- Expired - Fee Related
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Abstract
The utility model relates to a zinc slag metallurgic recovery furnace used for recovering zinc slag and leftover, which is composed of a burning chamber and a zinc-melting chamber. The burning chamber is provided with four furnace barriers for supporting four furnace grates which are positioned in a tilted mode, and the top of the burning chamber is provided with a fire-proof concrete cover plate. The zinc-melting chamber is provided with three zinc-frying pools and six zinc-containing crucibles, and the bottoms of the zinc-frying pools are tilted for the convenience that the zinc slag can flow into the zinc-containing crucibles in time after being molten to avoid re-coagulating and slagging. A flame path is arranged between the zinc-melting chamber and the outer layer of the furnace to circle the zinc-melting chamber. The zinc-melting chamber can be fired fully, the temperature can reach above 850 DEG C, and therefore, the metallurgic recovery rate of the zinc slag can be improved above 22 percents. The secondary better recovery of the waste material of the zinc slag is achieved really. The furnace can also be used for baking powder of direct-method zinc oxide and the re-desulfurizing treatment of the zinc calcine of the front procedure for melting of zinc white furnace in the production of direct-method zinc oxide.
Description
The utility model relates to a kind ofly to be smelted recovery furnace with cadmia and reclaims and smelt cadmia and limit pin waste material belongs to zinc metallurgy and zinc oxide producing apparatus field.
In the production process of zinc product series, can produce the equilateral pin waste material of cadmia, if can smelt recovery once more to cadmia and limit pin waste material, enterprise is reduced cost, the profit of making profits again.But the secondary recovery of cadmia and limit pin waste material never has a kind of reasonable equipment for a long time, and how manufacturer reclaims the smelting cadmia with a change zinc crucible at present.Crucible is that single face is subjected to fire, and temperature is carried not high, and the rate of recovery only is about 10%, and oxidational losses is big, and recovery value is not high, so producer reclaims the cadmia end substantially, causes the wasting of resources.
The purpose of this utility model is to provide a kind of cadmia to smelt recovery furnace.Zinc melting chamber in the burner hearth can be heated comprehensively, and temperature reaches more than 850 ℃, and the cadmia rate of recovery is improved greatly.This stove can also be used for baking powder, the American process zinc oxide of American process zinc oxide and produce the former process zinc baking sand desulfurization processing again that Furnace for obtaining white zinc is smelted.
The purpose of this utility model can realize by following scheme:
Cadmia of the present utility model is smelted recovery furnace and is made up of combustion chamber and zinc melting chamber two portions.The combustion chamber has four stove shelves to support four tilted-putted fire bars, and fire bars and furnace wall angle of inclination are the 30-35 degree, and top of combustion chamber has a refractory concrete cover plate.A quirk is arranged around zinc melting chamber between zinc melting chamber and stove skin, after the igniting of combustion chamber, flame and high-temperature flue gas make the zinc sauting pool in the zinc melting chamber be subjected to fire by quirk comprehensively, thereby the zinc melting chamber temperature is reached more than 850 ℃.Zinc melting chamber has three zinc sauting pools and six zinc holding pots, is skewed at the bottom of the zinc sauting pool pond, and the angle of inclination is the 25-40 degree.Cadmia melts the back and in time flows into zinc holding pot in zinc sauting pool.One control burner is arranged between zinc melting chamber and the combustion chamber, and there are two control burners the flue at zinc melting chamber rear portion and quirk junction, are used to regulate the speed that furnace temperature rises.
Whole burner hearth employing carbofrax material or other heat conductivility material are preferably made, and outer employing insulation sand oar of stove and insulating brick or other heat-insulating property material preferably are built into.Also available other heat-insulating property of the refractory concrete cover plate of top of combustion chamber material is preferably made.Zinc sauting pool employing carbofrax material or its heat conductivility material are preferably made.
The utility model has following advantage compared to existing technology:
1. because zinc melting chamber can be subjected to fire comprehensively, the zinc melting chamber temperature is reached more than 850 ℃, and zinc sauting pool adopts silicon carbide or other heat conductivility material preferably, make its conduct heat fast, thermo-efficiency is high and be difficult for oxidation, the cadmia zinc metallurgy rate of recovery is increased to more than 22%, has realized that really the secondary of cadmia waste material better reclaims.
2. be skewed at the bottom of the zinc sauting pool, can in time flow in the zinc holding pot after making cadmia fusing, avoid that it condenses once again, slag making.
3. the utility model one stove three usefulness have very strong practicality, and simple in structure, less investment, easy and simple to handle, long service life, can frequently open, blowing out, every heat zinc metallurgy amount is big, be convenient to producer cadmia concentrate smelted, during can be used as baking powder and zinc baking sand again the desulfurization treatment unit use.
The utility model also will reach embodiment in conjunction with the accompanying drawings and be described in further detail:
Fig. 1 smelts the elevational cross-sectional view of recovery furnace for cadmia.
Fig. 2 is the A-A sectional view of Fig. 3.
Fig. 3 is the B-B sectional view of Fig. 1.
By Fig. 1, Fig. 2, Fig. 3 as can be known, cadmia of the present utility model is smelted recovery furnace and is made up of combustion chamber (1) and zinc melting chamber (2) two portions, combustion chamber (1) has four stove shelves (3) to support four tilted-putted fire bars (4), and fire bars (4) is the 30-35 degree with the furnace wall angle of inclination.One refractory concrete cover plate (13) is arranged at top, combustion chamber (1), and this cover plate also can be with the material making preferably of other heat-insulating property, to guarantee furnace temperature.The each coal capacity in combustion chamber (1) is the 0.13-0.16 ton.A quirk (5) is arranged around zinc melting chamber (2) between zinc melting chamber (2) and stove skin (9), after combustion chamber (1) igniting, flame and high-temperature flue gas make zinc sauting pool (6) be subjected to fire by quirk (5) comprehensively, strengthen heating surface area, and the zinc melting chamber temperature is reached more than 850 ℃.Whole burner hearth (8) employing carbofrax material or other heat conductivility material are preferably made, and stove skin (9) employing insulation sand oar and insulating brick or other heat-insulating property material preferably are built into.Zinc melting chamber (2) has three zinc sauting pools (6) and six zinc holding pots (7), zinc sauting pool (6) adopt carbofrax material or other heat conductivility preferably material make, make it to conduct heat fast, thermo-efficiency is high.Zinc sauting pool (6) is skewed at the bottom of the pond, and the angle of inclination is the 25-40 degree, can in time flow in the zinc holding pot (7) after cadmia melts in zinc sauting pool, avoids condensing once again, slag making.One control burner (16) is arranged between zinc melting chamber (2) and combustion chamber (1), and the flue (14) at zinc melting chamber (2) rear portion has two control burners (15) to be used to regulate the speed that furnace temperature rises with quirk (5) junction.
When beginning to produce, want earlier baker, furnace temperature is before 600 ℃, temperature is with per hour 2.5 ℃ of risings, equal constant temperature is 24 hours on 150 ℃, 250 ℃, 350 ℃, 450 ℃, 550 ℃ two temperature spots, and when furnace temperature rose to 600 ℃, temperature rose to 850 ℃ by per hour rising 8-10 ℃.Materials such as the first stove cadmia and limit pin waste material are when furnace temperature reaches 400 ℃-450 ℃, from anterior actuating doors (10), drop in three zinc sauting pools (6), in the cadmia fusing in 2 hours of 650 ℃ of-850 ℃ of roasting temperatures, and at the bottom of zinc sauting pool (6) pond that tilts, flow in the zinc holding pot (7) by going out zinc hole (11), take out crucible (7) cooling ingot casting, promptly get the zinc ingot metal product.From ash removing opening (12), the removing of the lime-ash in the zinc sauting pool (6) can be carried out operation next time.The time of smelting a stove cadmia is 2 hours, and the cadmia zinc metallurgy rate of recovery reaches more than 22%.
This cadmia is smelted the baking powder that recovery furnace also can be used for American process zinc oxide, to remove the calcination thing in the material; The former process zinc baking sand that is used for the smelting of American process zinc oxide production Furnace for obtaining white zinc removes nonmetal things such as sulphur, improves the zinc baking sand quality.
Claims (4)
1. a cadmia is smelted recovery furnace, constitute by combustion chamber (1) and zinc melting chamber (2) two portions, it is characterized in that: combustion chamber (1) has four stove shelves (3) to support four tilted-putted fire bars (4), one refractory concrete cover plate (13) is arranged at top, combustion chamber (1), a quirk (5) is arranged around zinc melting chamber (2) between zinc melting chamber (2) and the stove skin (9), zinc melting chamber (2) has three zinc sauting pools (6) and six zinc holding pots (7), zinc sauting pool (6) is skewed at the bottom of the pond, one control burner (16) is arranged between zinc melting chamber (2) and combustion chamber (1), and the flue at zinc melting chamber rear portion (14) has two control burners (15) with quirk (5) junction.
2. cadmia according to claim 1 is smelted recovery furnace, it is characterized in that fire bars (4) and furnace wall angle of inclination are the 30-35 degree.
3. cadmia according to claim 1 is smelted recovery furnace, it is characterized in that zinc sauting pool (6) pond slanted floor angle is the 25-40 degree.
4. cadmia according to claim 1 is smelted recovery furnace, the cover plate (13) that it is characterized in that top, combustion chamber (1) with refractory concrete or other heat-insulating property preferably material make, whole burner hearth (8), zinc sauting pool (6) with carbofrax material or other heat conductivility preferably material make, stove skin (9) with insulation sand oar and insulating brick or other heat-insulating property preferably material be built into.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 98211458 CN2325402Y (en) | 1998-04-26 | 1998-04-26 | Zinc slag metallurgic recovery furnace |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 98211458 CN2325402Y (en) | 1998-04-26 | 1998-04-26 | Zinc slag metallurgic recovery furnace |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN2325402Y true CN2325402Y (en) | 1999-06-23 |
Family
ID=33966110
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 98211458 Expired - Fee Related CN2325402Y (en) | 1998-04-26 | 1998-04-26 | Zinc slag metallurgic recovery furnace |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN2325402Y (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103834819A (en) * | 2013-12-05 | 2014-06-04 | 湖南水口山有色金属集团有限公司 | Method for direct production of high-grade zinc oxide from zinc material containing high chlorine and fluorine |
-
1998
- 1998-04-26 CN CN 98211458 patent/CN2325402Y/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103834819A (en) * | 2013-12-05 | 2014-06-04 | 湖南水口山有色金属集团有限公司 | Method for direct production of high-grade zinc oxide from zinc material containing high chlorine and fluorine |
| CN103834819B (en) * | 2013-12-05 | 2016-04-27 | 湖南水口山有色金属集团有限公司 | A kind of method containing the zinc material direct producing high-grade zinc oxide of high chlorine and fluorine |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C19 | Lapse of patent right due to non-payment of the annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |