CN202989203U - Improved firebrick lining structure for AOD (argon oxygen decarburization) furnace - Google Patents
Improved firebrick lining structure for AOD (argon oxygen decarburization) furnace Download PDFInfo
- Publication number
- CN202989203U CN202989203U CN 201220670008 CN201220670008U CN202989203U CN 202989203 U CN202989203 U CN 202989203U CN 201220670008 CN201220670008 CN 201220670008 CN 201220670008 U CN201220670008 U CN 201220670008U CN 202989203 U CN202989203 U CN 202989203U
- Authority
- CN
- China
- Prior art keywords
- magnesia
- layer
- calcium brick
- calcium
- brick
- 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.)
- Expired - Fee Related
Links
Images
Landscapes
- Furnace Housings, Linings, Walls, And Ceilings (AREA)
Abstract
The utility model relates to the technical field of AOD (argon oxygen decarburization) furnaces, and in particular relates to an improved firebrick lining structure for an AOD furnace. The structure comprises a furnace body, a heat preservation and insulation layer arranged on the inner wall of the furnace body, and a bottom brick layer arranged at the bottom of the furnace body, wherein a permanent layer is arranged between the inner wall of the furnace body and the heat preservation and insulation layer, and the heat preservation and insulation layer is mainly formed by a plurality of layers of magnesia-calcium bricks; lengths of the first, second, third, fourth, fifth, sixth and seventh layers of the magnesia-calcium bricks of the heat preservation and insulation layer are between 480 and 530mm, and the lengths of the eighth, ninth, tenth and eleventh layers of the magnesia-calcium bricks are between 420 and 480mm. When the firebrick lining structure is used, on the premise of guaranteeing the requirement on flame-retardance and heat preservation of the AOD furnace, the capacity of the AOD furnace can be effectively increased by using magnesia-calcium bricks with smaller specifications, and the service life of the AOD furnace can be prolonged. The improved firebrick lining structure has the advantages of simple structure, reasonable arrangement, low manufacture cost and the like.
Description
Technical field
The utility model relates to AOD stove technical field, particularly a kind of improved AOD stove firebrick lining structure.
Background technology
The AOD stove is called again argon oxygen decarburizing furnace, is a kind of method of external refining molten steel, and main task is decarburization and cr yield, and can be good at stirring molten steel, can produce soft steel, and even ultra low-carbon steel.
The thermal insulation separation thermosphere of AOD stove adopts magnesia-calcium brick to build by laying bricks or stones usually, and magnesia-calcium brick has good fire performance and heat preservation and insulation, but the cost of magnesia-calcium brick is higher.Under the prerequisite that satisfies the requirement of AOD stove fire resistant heat preserving, reduce the magnesia-calcium brick length of building by laying bricks or stones in the AOD stove as far as possible, can effectively save the magnesia-calcium brick material, can also increase the capacity in the AOD stove simultaneously, extend the furnace life of AOD stove.
The utility model content
The purpose of this utility model is for the defective of prior art and deficiency, provides a kind of simple in structure, improved AOD stove firebrick lining structure reasonable in design, easy to use.
For achieving the above object, the technical solution adopted in the utility model is: a kind of improved AOD stove firebrick lining structure described in the utility model, comprise body of heater, be arranged on the thermal insulation separation thermosphere on inboard wall of furnace body and be arranged on end brick layer on the body of heater bottom surface, be provided with permanent layer between described inboard wall of furnace body and thermal insulation separation thermosphere, described thermal insulation separation thermosphere mainly is comprised of some layers of magnesia-calcium brick; The length of the first layer magnesia-calcium brick of described thermal insulation separation thermosphere, second layer magnesia-calcium brick, the 3rd layer of magnesia-calcium brick, the 4th layer of magnesia-calcium brick, layer 5 magnesia-calcium brick, layer 6 magnesia-calcium brick and layer 7 magnesia-calcium brick is 480～530mm; The length of the 8th layer of magnesia-calcium brick of described thermal insulation separation thermosphere, the 9th layer of magnesia-calcium brick, the tenth layer of magnesia-calcium brick and eleventh floor magnesia-calcium brick is 420～480mm.
Further, the length of the first layer magnesia-calcium brick of described thermal insulation separation thermosphere, second layer magnesia-calcium brick, the 3rd layer of magnesia-calcium brick, the 4th layer of magnesia-calcium brick, layer 5 magnesia-calcium brick, layer 6 magnesia-calcium brick and layer 7 magnesia-calcium brick is 500mm.
Further, the length of the 8th of described thermal insulation separation thermosphere the layer of magnesia-calcium brick, the 9th layer of magnesia-calcium brick, the tenth layer of magnesia-calcium brick and eleventh floor magnesia-calcium brick is 450mm.
After adopting said structure, the utility model beneficial effect is: a kind of improved AOD stove firebrick lining structure described in the utility model, comprise body of heater, be arranged on the thermal insulation separation thermosphere on inboard wall of furnace body and be arranged on end brick layer on the body of heater bottom surface, be provided with permanent layer between described inboard wall of furnace body and thermal insulation separation thermosphere, described thermal insulation separation thermosphere mainly is comprised of some layers of magnesia-calcium brick; The length of the first layer magnesia-calcium brick of described thermal insulation separation thermosphere, second layer magnesia-calcium brick, the 3rd layer of magnesia-calcium brick, the 4th layer of magnesia-calcium brick, layer 5 magnesia-calcium brick, layer 6 magnesia-calcium brick and layer 7 magnesia-calcium brick is 480～530mm; The length of the 8th layer of magnesia-calcium brick of described thermal insulation separation thermosphere, the 9th layer of magnesia-calcium brick, the tenth layer of magnesia-calcium brick and eleventh floor magnesia-calcium brick is 420～480mm.When using the utility model, by using a large amount of magnesia-calcium bricks than small dimension, guaranteeing effectively to have saved the magnesia-calcium brick material under the prerequisite that AOD stove fire resistant heat preserving requires, also enlarge simultaneously the capacity in the AOD stove, extended the furnace life of AOD stove.
The utlity model has simple in structurely, arrange rationally, the advantage such as cost of manufacture is low.
Description of drawings
Fig. 1 is structural representation of the present utility model.
Description of reference numerals: 1, body of heater; 2, permanent layer; 3, thermal insulation separation thermosphere; 301, the first layer magnesia-calcium brick; 302, second layer magnesia-calcium brick; 303, the 3rd layer of magnesia-calcium brick; 304, the 4th layer of magnesia-calcium brick; 305, layer 5 magnesia-calcium brick; 306, layer 6 magnesia-calcium brick; 307, layer 7 magnesia-calcium brick; 308, the 8th layer of magnesia-calcium brick; 309, the 9th layer of magnesia-calcium brick; 310, the tenth layer of magnesia-calcium brick; 311, eleventh floor magnesia-calcium brick; 4, end brick layer.
Embodiment
Below in conjunction with accompanying drawing, the utility model is further described.
As shown in Figure 1, a kind of improved AOD stove firebrick lining structure described in the utility model, comprise body of heater 1, be arranged on the thermal insulation separation thermosphere 3 on body of heater 1 inwall and be arranged on end brick layer 4 on body of heater 1 bottom surface, be provided with permanent layer 2 between described body of heater 1 inwall and thermal insulation separation thermosphere 3, described thermal insulation separation thermosphere 3 mainly is comprised of some layers of magnesia-calcium brick.The length of the first layer magnesia-calcium brick 301 of described thermal insulation separation thermosphere 3, second layer magnesia-calcium brick 302, the 3rd layer of magnesia-calcium brick 303, the 4th layer of magnesia-calcium brick 304, layer 5 magnesia-calcium brick 305, layer 6 magnesia-calcium brick 306 and layer 7 magnesia-calcium brick 307 is 480～530mm; The length of the 8th layer of magnesia-calcium brick 308 of described thermal insulation separation thermosphere 3, the 9th layer of magnesia-calcium brick 309, the tenth layer of magnesia-calcium brick 310 and eleventh floor magnesia-calcium brick 311 is 420～480mm.
As a kind of optimal way of the present utility model, the length of the first layer magnesia-calcium brick 301 of described thermal insulation separation thermosphere 3, second layer magnesia-calcium brick 302, the 3rd layer of magnesia-calcium brick 303, the 4th layer of magnesia-calcium brick 304, layer 5 magnesia-calcium brick 305, layer 6 magnesia-calcium brick 306 and layer 7 magnesia-calcium brick 307 is 500mm.
As a kind of optimal way of the present utility model, the length of the 8th layer of magnesia-calcium brick 308 of described thermal insulation separation thermosphere 3, the 9th layer of magnesia-calcium brick 309, the tenth layer of magnesia-calcium brick 310 and eleventh floor magnesia-calcium brick 311 is 450mm.
When using the utility model, guaranteeing under the prerequisite that AOD stove fire resistant heat preserving requires, the input that not only can save refractory materials also can enlarge the capacity of AOD stove, extends the furnace life of AOD stove.In addition, this is simple in structure, reasonable in design, low cost of manufacture.
The above is only preferred implementation of the present utility model, therefore all equivalences of doing according to the described structure of the utility model patent claim, feature and principle change or modify, is included in the utility model patent claim.
Claims (3)
1. improved AOD stove firebrick lining structure, comprise body of heater (1), be arranged on the thermal insulation separation thermosphere (3) on body of heater (1) inwall and be arranged on end brick layer (4) on body of heater (1) bottom surface, be provided with permanent layer (2) between described body of heater (1) inwall and thermal insulation separation thermosphere (3), described thermal insulation separation thermosphere (3) mainly is comprised of some layers of magnesia-calcium brick, it is characterized in that: the first layer magnesia-calcium brick (301) of described thermal insulation separation thermosphere (3), second layer magnesia-calcium brick (302), the 3rd layer of magnesia-calcium brick (303), the 4th layer of magnesia-calcium brick (304), layer 5 magnesia-calcium brick (305), the length of layer 6 magnesia-calcium brick (306) and layer 7 magnesia-calcium brick (307) is 480～530mm, the length of the 8th layer of magnesia-calcium brick (308) of described thermal insulation separation thermosphere (3), the 9th layer of magnesia-calcium brick (309), the tenth layer of magnesia-calcium brick (310) and eleventh floor magnesia-calcium brick (311) is 420～480mm.
2. improved AOD stove firebrick lining structure according to claim 1, it is characterized in that: the length of the first layer magnesia-calcium brick (301) of described thermal insulation separation thermosphere (3), second layer magnesia-calcium brick (302), the 3rd layer of magnesia-calcium brick (303), the 4th layer of magnesia-calcium brick (304), layer 5 magnesia-calcium brick (305), layer 6 magnesia-calcium brick (306) and layer 7 magnesia-calcium brick (307) is 500mm.
3. improved AOD stove firebrick lining structure according to claim 1, it is characterized in that: the length of the 8th layer of magnesia-calcium brick (308) of described thermal insulation separation thermosphere (3), the 9th layer of magnesia-calcium brick (309), the tenth layer of magnesia-calcium brick (310) and eleventh floor magnesia-calcium brick (311) is 450mm.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201220670008 CN202989203U (en) | 2012-12-07 | 2012-12-07 | Improved firebrick lining structure for AOD (argon oxygen decarburization) furnace |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201220670008 CN202989203U (en) | 2012-12-07 | 2012-12-07 | Improved firebrick lining structure for AOD (argon oxygen decarburization) furnace |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN202989203U true CN202989203U (en) | 2013-06-12 |
Family
ID=48560399
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 201220670008 Expired - Fee Related CN202989203U (en) | 2012-12-07 | 2012-12-07 | Improved firebrick lining structure for AOD (argon oxygen decarburization) furnace |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN202989203U (en) |
-
2012
- 2012-12-07 CN CN 201220670008 patent/CN202989203U/en not_active Expired - Fee Related
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN202989203U (en) | Improved firebrick lining structure for AOD (argon oxygen decarburization) furnace | |
| CN103157785A (en) | Construction method of ladle lining | |
| CN204097309U (en) | A kind of platinum primary and secondary crucible sleeve | |
| CN203343426U (en) | Steel ladle edge forsterite carbon brick | |
| CN206858604U (en) | A kind of straight hole ventilation brick | |
| CN206768167U (en) | A kind of masonry construction of RH refining furnaces lower channel | |
| CN201008968Y (en) | Internal lining construction of torpedo pot | |
| CN202989204U (en) | Expanded and improved AOD (argon oxygen decarburization) furnace | |
| CN202845770U (en) | Lining structure of molten iron tank opening | |
| CN203405084U (en) | Partition wall of smelting zone and slagging zone of smelting metallurgical furnace | |
| CN202162375U (en) | Composite impact pad | |
| CN202945311U (en) | Furnace lining structure of vertical pit-type gas carburizing furnace | |
| CN203695939U (en) | Special-shaped magnesia carbon brick | |
| CN202339108U (en) | Lining heat preservation material for electric calcination furnace | |
| CN204396845U (en) | Polymorphic structure magnesia carbon brick | |
| CN205316988U (en) | Combination formula furnace wall of hot stove in long -life ore deposit | |
| CN204359118U (en) | Tower molten aluminium stove melting chamber hearth structure | |
| CN205309286U (en) | Aluminium magnesium carbon brick is used to ladle work lining | |
| CN202877529U (en) | Ladle with metal shell | |
| CN202239602U (en) | Pouring ladle capable of being used in galvanization production | |
| CN206356575U (en) | Special-shaped magnesia carbon brick | |
| CN204301510U (en) | A kind of Novel fire-resistant tremie pipe | |
| CN203949481U (en) | The kiln with guiding gutter | |
| CN203396241U (en) | Graphite composite material ramming furnace lining for ferroalloy furnace | |
| CN203148201U (en) | Device capable of improving production efficiency of pusher-type heating furnace |
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: 20130612 Termination date: 20201207 |