CN201583133U - Magnesium smelting reduction furnace - Google Patents
Magnesium smelting reduction furnace Download PDFInfo
- Publication number
- CN201583133U CN201583133U CN2009202798970U CN200920279897U CN201583133U CN 201583133 U CN201583133 U CN 201583133U CN 2009202798970 U CN2009202798970 U CN 2009202798970U CN 200920279897 U CN200920279897 U CN 200920279897U CN 201583133 U CN201583133 U CN 201583133U
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- furnace
- reduction
- burner
- furnace wall
- heater
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- Expired - Fee Related
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- Y02W30/54—
Abstract
The utility model relates to a reduction furnace, in particular to a magnesium smelting reduction furnace, which comprises a furnace body, a steel frame for supporting the furnace body, a furnace wall and a reduction tank installed on the furnace body. A vacuum system is connected on the reduction tank. A combustion and air-flue gas system is arranged on the two sides of the furnace body. The utility model is characterized in that at least two layers of combustors which can be used as flue gas outlets are arranged on the furnace wall at the two sides of the reduction furnace body and the nozzles of the combustors face to the hearth of the reduction furnace. The utility model has the advantages that the combustion system is unique, the reduction furnace is suitable for all kinds of fuels, the hearth temperature is even, the loss is low, the temperature of the air required by combustion is improved because the flue gas waste heat recovery and storage technique is adopted, the combustion effect is obviously better and the temperature of the exhaust smoke of the reduction furnace is obviously reduced.
Description
Technical field
The utility model relates to a kind of reduction furnace, especially relates to a kind of reduction furnace for smelting metal magnesium.
Background technology
Traditional reduction furnace for smelting metal magnesium generally all adopts the solid fuel layer combustion, or gaseous fuel such as coal gas adds the thermal reduction jar.Solid fuel ignition is insufficient, and the mode of artificial refuelling is discontinuous, unstable, and flame structure is unreasonable, causes the reduction temperature field in furnace inhomogeneous, can not effectively import the heat energy that fuel combustion discharges into fast in the reduction jar; The gas-fired reduction furnace that grew up in recent years, though part has solved the problems referred to above, but the homogeneity question of reduction temperature field in furnace still is not well solved, particularly when reduction furnace maximizes, the homogeneity question of temperature is more outstanding in the stove, has seriously restricted the development of large-scale reduction furnace.
Summary of the invention
The purpose of this utility model is to overcome the deficiencies in the prior art, provide a kind of and have unique combustion system, be fit to various fuel, loss is low, use the flue gas waste heat recovery heat storage technology simultaneously, make that burning required air temperature improves, combustion efficiency obviously improves, the reduction furnace exhaust gas temperature obviously reduces, and a kind of reduction furnace for smelting metal magnesium that can maximize.
The utility model is realized in the following way:
A kind of reduction furnace for smelting metal magnesium, comprise body of heater, support body of heater steelframe, furnace wall, be installed in the reduction jar on the body of heater, the reduction jar vacuum system that upward connects, the body of heater both sides are provided with burning and air and gas system, it is characterized in that: the both sides furnace wall of this reduction body of heater be provided with two-layer at least can be as the burner of outlet flue, the spout of burner is towards the burner hearth of reduction furnace;
Staggering about described burner up and down on the described homonymy furnace wall, the described burner on the described furnace wall in both sides is corresponding up and down;
Described burner all links to each other with a control system, and reversal valve all is installed on each burner, and reversal valve is connected with above-mentioned control system;
Described reduction furnace body of heater is a heat accumulating type, is provided with heat storage in this system;
The burner that described every wing furnace wall is provided with can be two-layer, three layers or four layers;
The burner that described every wing furnace wall is provided with can be set to two rows, three rows or many rows according to row's number of the reduction jar in the reduction furnace body of heater;
Described burning and air and gas system burnt fuel are coal dust, coal gas, water-coal-slurry, natural gas, fuel oil, or other single-phase or heterogeneous fluid fuel;
The described both sides furnace wall that is furnished with burner can be respectively the left and right sides furnace wall, front and back furnace wall of reduction body of heater or furnace wall up and down.
The utility model has following effect:
1) structure uniqueness: the reduction furnace that the utility model provides comprises body of heater, supports steelframe, the furnace wall of body of heater, is installed in the reduction jar on the body of heater, be connected with vacuum system on the reduction jar, the body of heater both sides are provided with the fuel air and gas system, it is characterized in that: the both sides furnace wall of reduction furnace is provided with two-layer at least burner, and the burner of a wing furnace wall staggers up and down, the burner on the furnace wall of both sides echoes up and down, the port of above-mentioned each burner is the outlet flue of burner hearth to burner on the face wall simultaneously; Described all burners all link to each other with a control system, and reversal valve all is installed on each burner, and reversal valve is connected with above-mentioned control system, have unique combustion system.
2) combustion system uniqueness, fire box temperature in the horizontal direction with vertical direction on evenly, prolonged the service life of reduction furnace and reduction jar: the reduction furnace that the utility model provides, burner on every wing furnace wall divides two-layer layout, and spout is towards the burner hearth of reduction furnace.During work, by the switching of control system to burner, a wing furnace wall top burner and opposite side furnace wall lower burner be work earlier, simultaneously, this wing furnace wall lower burner and opposite side furnace wall top burner are closed earlier, and carrying out a kind of burning is the flue gas recirculation state, and the reduction jar is heated; After this kind duty continues for some time, be after the body of heater flue gas is heated to uniform temperature with heat storage, control system is sent instruction, the reversal valve of operation burning air and gas system, close an aforementioned wing furnace wall top burner and opposite side furnace wall lower burner, open this wing furnace wall lower burner and opposite side furnace wall top burner, finishing another kind of burning is the flue gas recirculation state, also the reduction furnace burner hearth is heated.After above-mentioned duty continues for some time, be that control system was sent instruction after the body of heater flue gas was heated to uniform temperature with heat storage, the reversal valve of operation burning air and gas system, reopen the burner of closing on the furnace wall of both sides again, carry out above-mentioned first kind of fired state.So repeatedly, realize the heat accumulating type periodic duty, the high speed flue gas sprays into burner hearth during burning behind precombustion chamber, heat storage, even the opposite furnace wall inwall that can go directly, and entrainment flue gas on every side, form in the tank field and stream, can quicken jar heat convection on surface, strengthen the heat exchange effect.Heat simultaneously the both sides of reduction jar, the thermally equivalent of heated material in helping managing.Simultaneously, this combustion system has very strong backflow and perturbation action in the furnace height direction, makes temperature field in furnace very even, and it is more satisfactory to add thermal effect.
3) the efficiency of combustion height, energy consumption is low, the suitable fuel scope is wide: the reduction furnace that the utility model provides is owing to adopted unique combustion system, thereby its fuel can be coal dust, coal gas, water-coal-slurry, natural gas, fuel oil, or other single-phase or heterogeneous fluid fuel, not only can improve fuel economy, and reduce energy consumption.Heat simultaneously the both sides of reduction jar, the thermally equivalent of heated material in helping managing.Simultaneously, this combustion system has very strong backflow and perturbation action in the furnace height direction, makes temperature field in furnace very even, and it is more satisfactory to add thermal effect.This combustion system both had been applicable to vertical reducing jar or stove, also was applicable to horizontal reduction jar or stove.
4) the utility model is used the flue gas waste heat recovery heat storage technology, and burning required air temperature is improved, and combustion efficiency obviously improves, and the reduction furnace exhaust gas temperature obviously reduces, and power savings advantages is obvious.
Description of drawings
Fig. 1 is a structural representation of the present utility model;
Fig. 2 is the cut-away view of the utility model Fig. 1 along A-A;
Fig. 3 is a kind of flue gas recirculation view of the utility model;
Fig. 4 is the another kind of flue gas recirculation view of the utility model.
The specific embodiment
A kind of reduction furnace for smelting metal magnesium, comprise body of heater 1, support the steelframe 2 of body of heater 1, furnace wall 3, be installed in the reduction jar 4 on the body of heater 1, the vacuum system 5 that connects on the reduction jar 4, body of heater 1 both sides are provided with burning and air and gas system 7, as illustrated in fig. 1 and 2: the both sides furnace wall 3 of this reduction body of heater 1 be provided with two-layer at least can be as the burner 6 of outlet flue, the spout of burner 6 is towards the burner hearth of reduction furnace, described burner about 6 up and down on the described homonymy furnace wall 3 staggers, described burner on the described furnace wall 3 in both sides is corresponding about in the of 6, described burner 6 all links to each other with a control system 8, on each burner 6 reversal valve 9 is installed all, reversal valve 9 is connected with above-mentioned control system 8.
Above-mentioned reduction furnace body of heater 1 is a heat accumulating type, is provided with heat storage in this system.
The burner 6 that above-mentioned every wing furnace wall 3 is provided with can be two-layer, three layers or four layer 6.
The burner 6 that above-mentioned every wing furnace wall 3 is provided with can be set to two rows, three rows or many rows according to row's number of the reduction jar 4 in the reduction furnace body of heater 1.
Above-mentioned burning and air and gas system 7 burnt fuel are coal dust, coal gas, water-coal-slurry, natural gas, fuel oil, or other single-phase or heterogeneous fluid fuel.
The above-mentioned both sides furnace wall 3 that is furnished with burner 6 can be respectively the left and right sides furnace wall, front and back furnace wall of reduction body of heater 1 or furnace wall up and down.
Burner up and down about 6 on the above-mentioned reduction furnace homonymy furnace wall 3 staggers, burner on the both sides furnace wall 3 is corresponding about in the of 6, i.e. burner 6 ports on a wing furnace wall 3 tops, be the outlet flue of opposite lower burner 6 simultaneously, after the control system switching, the outlet flue of described opposite lower burner 6 switches to port again, and the port on its opposite furnace wall 3 tops, also switch to outlet flue, so above-mentioned each burner 6 port are outlet flue simultaneously.
For the reduction furnace of two row's jars, 6 of every side wall layouts, left and right sides wall are arranged 12 burners altogether.
During work, the work earlier of 3 burners in 3 burners in one wing furnace wall top and opposite side furnace wall bottom, simultaneously, 3 burners of these 3 burners in wing furnace wall bottom and opposite side furnace wall top cut out earlier, as shown in Figure 3: carrying out a kind of burning is the flue gas recirculation state, and the reduction jar is heated; After this kind duty continues for some time, be after the body of heater flue gas is heated to uniform temperature with heat storage, control system is sent instruction, the reversal valve of operation burning air and gas system, close aforementioned 3 burners in a wing furnace wall top and 3 burners in opposite side furnace wall bottom, open 3 burners of these 3 burners in wing furnace wall bottom and opposite side furnace wall top, finishing another kind of burning as shown in Figure 4 is the flue gas recirculation state, also the reduction jar is heated.
After above-mentioned duty continues for some time, be that control system was sent instruction after the body of heater flue gas was heated to uniform temperature with heat storage, the reversal valve of operation burning air and gas system, reopen the burner of closing on the furnace wall of both sides again, carry out above-mentioned first kind of fired state.So repeatedly, realize the heat accumulating type periodic duty, the high speed flue gas sprays into burner hearth during burning behind precombustion chamber, heat storage, even the opposite furnace wall inwall that can go directly, and entrainment flue gas on every side, form in the tank field and stream, can quicken jar heat convection on surface, strengthen the heat exchange effect.Heat simultaneously the both sides of reduction jar, the thermally equivalent of heated material in helping managing.Simultaneously, this combustion system has very strong backflow and perturbation action in the furnace height direction, makes temperature field in furnace very even, and it is more satisfactory to add thermal effect.
Claims (7)
1. reduction furnace for smelting metal magnesium, comprise body of heater (1), support body of heater (1) steelframe (2), furnace wall (3), be installed in the reduction jar (4) on the body of heater (1), the vacuum system (5) that connects is gone up in reduction jar (4), body of heater (1) both sides are provided with burning and air and gas system (7), it is characterized in that: the both sides furnace wall (3) of this reduction body of heater (1) be provided with two-layer at least can be as the burner (6) of outlet flue, the spout of burner (6) is towards the burner hearth of reduction furnace.
2. a kind of reduction furnace for smelting metal magnesium as claimed in claim 1 is characterized in that: staggering about described burner (6) up and down on the described homonymy furnace wall (3), the described burner (6) on the described furnace walls in both sides (3) is corresponding up and down.
3. a kind of reduction furnace for smelting metal magnesium as claimed in claim 1 is characterized in that: described burner (6) all links to each other with a control system (8), and reversal valve (9) all is installed on each burner (6), and reversal valve (9) is connected with above-mentioned control system (8).
4. a kind of reduction furnace for smelting metal magnesium as claimed in claim 1 is characterized in that: described reduction furnace body of heater (1) is a heat accumulating type, is provided with heat storage in this system.
5. a kind of reduction furnace for smelting metal magnesium as claimed in claim 1 is characterized in that: the burner (6) that described every wing furnace wall (3) is provided with can be two-layer, three layers or four layers (6).
6. a kind of reduction furnace for smelting metal magnesium as claimed in claim 1 is characterized in that: the burner (6) that described every wing furnace wall (3) is provided with can be set to two rows, three rows according to row's number of the reduction jar (4) in the reduction furnace body of heater (1).
7. a kind of reduction furnace for smelting metal magnesium as claimed in claim 1 is characterized in that: the described both sides furnace wall (3) that is furnished with burner (6) can be respectively the left and right sides furnace wall, front and back furnace wall of reduction body of heater (1) or furnace wall up and down.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2009202798970U CN201583133U (en) | 2009-12-01 | 2009-12-01 | Magnesium smelting reduction furnace |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2009202798970U CN201583133U (en) | 2009-12-01 | 2009-12-01 | Magnesium smelting reduction furnace |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN201583133U true CN201583133U (en) | 2010-09-15 |
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ID=42725135
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2009202798970U Expired - Fee Related CN201583133U (en) | 2009-12-01 | 2009-12-01 | Magnesium smelting reduction furnace |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN201583133U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104342564A (en) * | 2013-08-06 | 2015-02-11 | 宁夏鹏程致远自动化技术有限公司 | Magnesium metal smelting reduction tank replacement machine |
-
2009
- 2009-12-01 CN CN2009202798970U patent/CN201583133U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104342564A (en) * | 2013-08-06 | 2015-02-11 | 宁夏鹏程致远自动化技术有限公司 | Magnesium metal smelting reduction tank replacement machine |
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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: 20100915 Termination date: 20161201 |