CN204694059U - A kind of durable fire door and rare earth aluminium alloy smelting furnace - Google Patents
A kind of durable fire door and rare earth aluminium alloy smelting furnace Download PDFInfo
- Publication number
- CN204694059U CN204694059U CN201520257835.5U CN201520257835U CN204694059U CN 204694059 U CN204694059 U CN 204694059U CN 201520257835 U CN201520257835 U CN 201520257835U CN 204694059 U CN204694059 U CN 204694059U
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- Prior art keywords
- fire door
- durable
- smelting furnace
- alloy smelting
- alumina brick
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Abstract
The utility model discloses a kind of durable fire door, be applicable to rare earth aluminium alloy smelting furnace, it is characterized in that: include the fire door top and fire door both sides of being cast by castable refractory; Also include bottom fire door, the middle part bottom described fire door, build square high-alumina brick by laying bricks or stones; At the burner hearth place near aluminum alloy smelting furnace, build the high-alumina brick of wedge shape bottom described fire door by laying bricks or stones, the high-alumina brick of two pieces of adjacent wedge shapes cooperatively interacts and stings tightly; This durable fire door also includes the cast iron fire door of the porch being arranged on fire door.The invention also discloses the rare earth aluminium alloy smelting furnace including this durable fire door.The beneficial effect that the utility model reaches is: this durable fire door not only effectively reduces the fire door breakage because frictional impact causes, and it is right that flame can be avoided directly to burn with fire door, thus guarantee includes the rare earth aluminium alloy smelting furnace economy and durability of this durable fire door.
Description
Technical field
The utility model relates to a kind of smelting equipment field, is specifically related to a kind of durable fire door on rare earth aluminium alloy smelting furnace and the rare earth aluminium alloy smelting furnace including this durable fire door.
Background technology
The melting of aluminium alloy just be unable to do without smelting furnace certainly, and smelting furnace is divided into round kiln and block furnace, and its structure is similar, all be made up of following material, high-alumina brick, light-weight insulating brick, castable refractory, calcium silicate heat-preserving plate, alumina silicate warming plates etc., also make a world of difference from the different refractory materials that it uses of position according to its function, as bocca is in the highest position of whole furnace because of it, therefore it must use very high temperature resistant castable refractory, but is not very high to its requirement of strength.
And fire door, on the one hand because when heating fixing to fire door alloy, have most of flame to scurry out in fire door, therefore most of flame directly burns fire door, this just requires that fire door is high temperature resistant, on the other hand, because fire door is the only way which must be passed adding supplementary material, refining, a sequence such as to skim all will be realized by fire door, so all require very strict to its intensity and anti-wear performance.
As shown in Figure 1, the fire door of prior art is built by laying bricks or stones primarily of high-alumina brick and/or fire door flame-proof pouring material special and is formed.But, generally after employing about 8 months, often there will be following problem:
(1) due to when refining is skimmed, ironware directly and fire door furnace bottom 2 rub, 2 badly brokens bottom fire door.
(2) 2 insecure bottom fire door, workman in tapping process easily by bottom fire door 2 high-alumina brick tick; Fire door both sides 1 breakage is very serious, and particularly in the fire door both sides near fire door porch, breakage is particularly serious.
Therefore can only repair, but repair soon, the place of not only repairing comes off again, and other places also start breakage, and fire door is overall structure, again builds by laying bricks or stones outside fire door at every turn, just whole fire door all must be renovated, and makes each rehabilitation cost very high.
Utility model content
The purpose of this utility model is to provide a kind of durable fire door, and it is damaged that this fire door not only effectively reduces the fire door caused because of frictional impact, and can avoid flame directly and fire door burn right, economy and durability.
In order to achieve the above object, the utility model adopts following technical scheme: a kind of durable fire door, is applicable to rare earth aluminium alloy smelting furnace, includes the fire door top and fire door both sides of being cast by castable refractory;
Also include bottom fire door, the middle part bottom described fire door, build square high-alumina brick by laying bricks or stones; At the burner hearth place near aluminum alloy smelting furnace, build the high-alumina brick of wedge shape bottom described fire door by laying bricks or stones, the high-alumina brick of two pieces of adjacent wedge shapes cooperatively interacts and stings tightly;
This durable fire door also includes the cast iron fire door of the porch being arranged on fire door.
As a kind of specific embodiment, described cast iron fire door is by the shaping arch structure of cast metal liquid casting dispensable mould, and described arch structure is by arch crown, and metal side, fire door base forms.
Further, described fire door base is arranged on the position, porch near fire door bottom described fire door, and described fire door base is than 5mm low bottom described fire door.
Further, the distance between two blocks of adjacent high-alumina bricks is less than or equal to 2mm.
As a kind of specific embodiment, the long 230mm of described square high-alumina brick, wide 114mm, thick 65mm.
As a kind of specific embodiment, the long 230mm of high-alumina brick of described wedge shape, high 114mm, webbing size 65mm, narrow limit size 55mm.
Another object of the present utility model is to provide a kind of rare earth aluminium alloy smelting furnace, and this rare earth aluminium alloy smelting furnace includes above-mentioned durable fire door, this rare earth aluminium alloy smelting furnace economy and durability.
Compared with prior art, the beneficial effects of the utility model are: novel durable fire door of the present utility model
(1) not only economy and durability, and simple for production, more importantly increase the service life of fire door, rise to present 3 years by original 1 year.
(2) the utility model employs cast iron fire door, significantly reduces and is adding the breakage produced due to waste material is excessive or little lump waste materials produces friction or hard hit in waste material process.
(3) middle part bottom described fire door, builds square high-alumina brick by laying bricks or stones; At the burner hearth place near aluminum alloy smelting furnace, the high-alumina brick of wedge shape is built by laying bricks or stones bottom described fire door, adopt the high-alumina brick of this wedge shape to combine with square high-alumina brick to build by laying bricks or stones, reduce significantly refining, skim and add waste material time ironware or the friction of cold burden and bottom, greatly reduce the damaged degree in use procedure.Wherein, the high-alumina brick of two pieces of adjacent wedge shapes cooperatively interacts and stings tightly, makes bottom brick to be triggered in the process of skimming and produce breakage.
(4) fire door top of the present utility model and fire door both sides use fire door dedicated pouring material, avoid fire door and flame directly burn right, or due to temperature too high and cause distortion, because intensity, wearability cause short-life situation to occur not during high temperature.
Accompanying drawing explanation
Fig. 1 is the smelting furnace section plan of prior art.
Fig. 2 uses rare earth aluminium alloy smelting furnace section plan of the present utility model.
Fig. 3 is A place enlarged drawing.
Fig. 4 uses durable fire door structural representation of the present utility model.
Fig. 5 is cast iron fire door front view.
Fig. 6 is square high-alumina brick schematic diagram.
Fig. 7 is the high-alumina brick schematic diagram of wedge shape.
Detailed description of the invention
Describe the utility model in detail below in conjunction with accompanying drawing and specific implementation method, be used for explaining the utility model in exemplary embodiment and description of the present utility model, but not as to restriction of the present utility model.
As illustrated in figs. 2-7, a kind of durable fire door of the utility model, it is applicable to rare earth aluminium alloy smelting furnace.
Fire door of the present utility model includes the fire door top 3 and fire door both sides 4 of being cast by castable refractory; The utility model is by using fire door flame-proof pouring material special to cast at fire door top 3 and fire door both sides 4, because fire door flame-proof pouring material special resistance to elevated temperatures is strong, effectively prevent fire door Yin Gaowen and deform, thus causing the situation of fire door top 3 and fire door both sides 4 breakage to occur.
Fire door of the present utility model also to include bottom fire door 5, and the middle part 51 bottom described fire door, builds square high-alumina brick 6 by laying bricks or stones; At the burner hearth place 52 near aluminum alloy smelting furnace, build the high-alumina brick 7 of wedge shape bottom described fire door by laying bricks or stones, the high-alumina brick 7 of two pieces of adjacent wedge shapes cooperatively interacts and stings tightly.
Wherein, the brickwork joint between described square high-alumina brick 6 or wedge shape high-alumina brick 7 is less than or equal to 2mm.Bottom fire door of the present utility model, 5 utilize the high-alumina brick brick 7 of wedge shape to combine with square high-alumina brick 6, on the one hand, decrease in refining to a great extent, skim and 5 to rub bottom ironware or cold burden and fire door in interpolation waste material process, thus cause the situation of 5 serious damages bottom fire door to occur; On the other hand, the high-alumina brick of two pieces of adjacent wedge shapes cooperatively interacts and stings tightly, avoids and is triggered by bottom brick in the process of skimming, thus it is damaged to cause bottom to produce.
Wherein, the brickwork joint between the high-alumina brick 7 of square high-alumina brick 6 or wedge shape is ensured at below 2mm, avoid further in the process of skimming by bottom fire door 5 high-alumina brick situation about triggering occur.
This durable fire door also includes the cast iron fire door 8 of the porch 53 being arranged on fire door.Described cast iron fire door 8 is that described arch structure is by arch crown 81, and metal side 82, fire door base 83 forms by the shaping arch structure of cast metal liquid casting dispensable mould.
The utility model employs cast iron fire door 8, because the intensity of cast iron fire door 8 is large, significantly reduces and is adding the breakage produced due to waste material is excessive or little lump waste materials produces friction or hard hit in waste material process.
Described fire door base 83 to be arranged on bottom described fire door 5 near the position, porch 53 of fire door, and described fire door base 83 is than 5 low 5mm bottom described fire door.
Further avoid cast iron fire door 8 and flame directly burn right, thus due to temperature too high and cause fire door be out of shape, and then due to when high temperature, intensity, wearability are inadequate and cause fire door not to be durable.
Preferably, the described square long L of high alumina 6 brick is 230mm, and wide W is 114mm, and thick H is 65mm.
Further, preferably the long L of high-alumina brick 7 of described wedge shape is 230mm, and high H is 114mm, and webbing size W1 is 65mm, and narrow limit size W2 is 55mm.
To sum up, durable fire door of the present utility model not only economy and durability, and also simple for production, more importantly increase the service life of fire door, rise to present 3 years by original 1 year.
A kind of rare earth aluminium alloy smelting furnace of the present utility model, includes above-mentioned durable fire door, this rare earth aluminium alloy smelting furnace economy and durability.
Above the technical scheme that the utility model embodiment provides is described in detail, apply specific case herein to set forth the principle of the utility model embodiment and embodiment, the explanation of above embodiment is only applicable to the principle helping to understand the utility model embodiment; Meanwhile, for one of ordinary skill in the art, according to the utility model embodiment, detailed description of the invention and range of application all will change, and in sum, this description should not be construed as restriction of the present utility model.
Claims (7)
1. a durable fire door, is applicable to rare earth aluminium alloy smelting furnace, it is characterized in that:
Include the fire door top and fire door both sides of being cast by castable refractory;
Also include bottom fire door, the middle part bottom described fire door, build square high-alumina brick by laying bricks or stones; At the burner hearth place near aluminum alloy smelting furnace, build the high-alumina brick of wedge shape bottom described fire door by laying bricks or stones, the high-alumina brick of two pieces of adjacent wedge shapes cooperatively interacts and stings tightly;
This durable fire door also includes the cast iron fire door of the porch being arranged on fire door.
2. durable fire door according to claim 1, is characterized in that:
Described cast iron fire door is by the shaping arch structure of cast metal liquid casting dispensable mould, and described arch structure is by arch crown, and metal side, fire door base forms.
3. durable fire door according to claim 2, is characterized in that:
Described fire door base is arranged on the position, porch near fire door bottom described fire door, and described fire door base is than 5mm low bottom described fire door.
4. the durable fire door according to any one of claim 1-3, is characterized in that:
Distance between two blocks of adjacent high-alumina bricks is less than or equal to 2mm.
5. the durable fire door according to any one of claim 1-3, is characterized in that:
The long 230mm of described square high-alumina brick, wide 114mm, thick 65mm.
6. the durable fire door according to any one of claim 1-3, is characterized in that:
The long 230mm of high-alumina brick of described wedge shape, high 114mm, webbing size 65mm, narrow limit size 55mm.
7. a rare earth aluminium alloy smelting furnace, is characterized in that: include the durable fire door described in claim 1-6.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520257835.5U CN204694059U (en) | 2015-04-27 | 2015-04-27 | A kind of durable fire door and rare earth aluminium alloy smelting furnace |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520257835.5U CN204694059U (en) | 2015-04-27 | 2015-04-27 | A kind of durable fire door and rare earth aluminium alloy smelting furnace |
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| Publication Number | Publication Date |
|---|---|
| CN204694059U true CN204694059U (en) | 2015-10-07 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201520257835.5U Expired - Fee Related CN204694059U (en) | 2015-04-27 | 2015-04-27 | A kind of durable fire door and rare earth aluminium alloy smelting furnace |
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| CN (1) | CN204694059U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108180759A (en) * | 2017-12-29 | 2018-06-19 | 西南铝业（集团）有限责任公司 | A kind of improved circular aluminum melting furnace and the building method on circular aluminum melting furnace castable envelope edge |
-
2015
- 2015-04-27 CN CN201520257835.5U patent/CN204694059U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108180759A (en) * | 2017-12-29 | 2018-06-19 | 西南铝业（集团）有限责任公司 | A kind of improved circular aluminum melting furnace and the building method on circular aluminum melting furnace castable envelope edge |
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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 |
Granted publication date: 20151007 Termination date: 20180427 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |