CN204063957U - Comprise the open-type anode roasting furnace week side big-wall of outer heat insulation layer - Google Patents
Comprise the open-type anode roasting furnace week side big-wall of outer heat insulation layer Download PDFInfo
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- CN204063957U CN204063957U CN201420503580.1U CN201420503580U CN204063957U CN 204063957 U CN204063957 U CN 204063957U CN 201420503580 U CN201420503580 U CN 201420503580U CN 204063957 U CN204063957 U CN 204063957U
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- insulation layer
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Abstract
The utility model discloses a kind of open-type anode roasting furnace week side big-wall comprising outer heat insulation layer, it has outer heat insulation layer, moderate soak layer and inner thermal insulating layer, and inner thermal insulating layer is 1.3g/cm by density
3high-strength light insulating brick masonry build by laying bricks or stones and form, outer heat insulation layer is built by laying bricks or stones by high temperature algae matter heat-insulating block monomer block-by-block and is formed, this high temperature algae matter heat-insulating block monomer has two relative bricklaying surfaces, a bricklaying surface has raised line, and another bricklaying surface has groove, adjacent high-temperature algae matter heat-insulating block monomer is when bricklaying surface is involutory, and raised line is connected with groove engagement, raised line is the convex of arc radius 5 ~ 30mm, and groove is the concave curved surface shape of arc radius 7 ~ 32mm.After adopting technique scheme, high temperature algae matter heat-insulating block monomer is built by laying bricks or stones by being connected, simplify outer heat insulation layer building process, building construction speed is fast, outer heat insulation layer of the present utility model have build by laying bricks or stones solid and reliable, increase and build faying face by laying bricks or stones, structural stability is high, the strong feature of ability that resistance to mechanical is impacted.
Description
[technical field]
The utility model relates to the open-type anode roasting furnace of aluminium anode production field, particularly relates to a kind of open-type anode roasting furnace week side big-wall comprising outer heat insulation layer.
[background technology]
All sides big-wall of open-type anode roasting furnace adopts the insulation material of different serviceability temperature and density to build by laying bricks or stones to form, connect with the Side flue phase limit of stove, the insulation material of building all sides big-wall by laying bricks or stones used has the features such as density is little, thermal conductivity is low, to ensure having lower heat transfer and accumulation of heat loss in roaster running.
All sides big-wall of existing open-type anode roasting furnace, along temperature from high to low its composition structure be: density and thickness are respectively 1.0 ~ 1.5g/cm
3, 230 ~ 350mm clayey insulating brick, density and thickness are respectively 0.3 ~ 0.6g/cm
3, 30 ~ 50mm ceramic beaverboard, density and thickness are respectively 0.6 ~ 0.7g/cm
3, 230 ~ 350mm diatomite brick, wherein, the faying face of building by laying bricks or stones of diatomite brick is pure-surface, this all sides huge wall structure, there is the shortcoming of following several respects: 1, diatomite brick is built by laying bricks or stones in the outer heat insulation layer process of anode-baking furnace week side big-wall, upper and lower adjacent diatomite brick only uses insulating refractory mud bonding, and bonding reliability is poor, resistance to mechanical impact capacity is poor, and efficiency of construction is low; 2, the various insulation materials adopted, especially there is weak link outermost diatomite brick cold crushing strength little, generally only have 1.5 ~ 2.0MPa, very easily damaged, losing fangle in transport, keeping and building process, reduces masonry quality, increases stove cost; 3, this low intensive diatomite brick, in stove Long-Time Service process, due to the effect of various stress and temperature, very easily produce damaged and efflorescence, cause stove heat loss to increase, all sides big-wall bulk deformation, and thrust is passed to limit quirk, cause that limit quirk leaks out, rim charge case low temperature, also shorten the service life of stove simultaneously; 4, above-mentioned diatomite brick lasting 8 hours, test temperature is 2% lower than the reheating linear shrinkage ratio under 900 DEG C of conditions, very easily there is volume contraction in all sides big-wall, is formed and subside and cavity in masonry, causes that limit quirk leaks out, rim charge case low temperature; 5, many defects of using on open-type anode roasting furnace week side big-wall of diatomite brick, finally cause that open-type anode roasting furnace hear rate increases, percent defective rises, and are unfavorable for the raising of energy-saving and emission-reduction level.
[utility model content]
The purpose of this utility model is to provide a kind of open-type anode roasting furnace week side big-wall comprising outer heat insulation layer, and in walling work progress, outer heat insulation layer speed of application is fast, and build by laying bricks or stones solid and reliable, structural stability is high, and resistance to mechanical impact capacity is strong.
For solving the problems of the technologies described above, the technical solution of the utility model is as follows:
Comprise an open-type anode roasting furnace week side big-wall for outer heat insulation layer, be folded between the limit quirk of open-type anode roasting furnace and outer basic shell, have outer heat insulation layer, moderate soak layer and inner thermal insulating layer, described inner thermal insulating layer is 1.3g/cm by density
3high-strength light insulating brick masonry build by laying bricks or stones and form, described outer heat insulation layer is built by laying bricks or stones by high temperature algae matter heat-insulating block monomer block-by-block and is formed, this high temperature algae matter heat-insulating block monomer has two relative bricklaying surfaces, a bricklaying surface has raised line, and another bricklaying surface has groove, make adjacent high-temperature algae matter heat-insulating block monomer when bricklaying surface is involutory, raised line and groove engagement link together, described raised line is convex, described groove is concave curved surface shape, its arc radius scope of described raised line is 5 ~ 30mm, and its arc radius scope of described groove is 7 ~ 32mm.
Above-mentioned raised line extends along a described bricklaying surface, and above-mentioned groove extends along another bricklaying surface described.
The density of above-mentioned high temperature algae matter heat-insulating block monomer is 0.8 ~ 0.9g/cm
3.
Cold crushing strength >=the 4MPa of above-mentioned high temperature algae matter heat-insulating block monomer.
The length dimension scope of above-mentioned high temperature algae matter heat-insulating block monomer is 150 ~ 360mm, and width dimensions scope is 100 ~ 300mm, and gauge scope is 60 ~ 240mm.
Compared with prior art, the utility model tool has the following advantages and beneficial effect:
1, the outer heat insulation layer of open-type anode roasting furnace all sides big-wall is built by laying bricks or stones by high temperature algae matter heat-insulating block monomer and is formed, instead of diatomite brick, two bricklaying surfaces of this high temperature algae matter heat-insulating block monomer have raised line and groove respectively, make adjacent high-temperature algae matter heat-insulating block monomer when bricklaying surface is involutory, realize being connected of raised line and groove, the arc radius scope of convex raised line is 5 ~ 30mm, the arc radius scope of concave curved surface shape groove is 7 ~ 32mm, so increase and build faying face by laying bricks or stones, simplify outer heat insulation layer building process, building construction speed is fast, outer heat insulation layer of the present utility model have build by laying bricks or stones solid and reliable, structural stability is high, resistance to mechanical impact capacity is strong, and outer heat insulation layer is as a wherein ring of open-type anode roasting furnace week side big-wall, be conducive to the overall structure stability improving open-type anode roasting furnace week side big-wall.
2, because the density of high temperature algae matter heat-insulating block monomer of the present utility model is 0.8 ~ 0.9g/cm
3, there is good cold crushing strength (>=4MPa), not only can be in transit, in management process and building construction time keep good profile, breakage or the losing fangle phenomenon of material obviously reduce, be conducive to ensureing masonry quality, reduce body of heater cost, and it is high to build the outer heat insulation layer intensity obtained by laying bricks or stones, in open-type anode roasting furnace During Process of Long-term Operation, can ensure that high temperature algae matter heat-insulating block monomer has the ability of opposing roaster swelling stress, to delaying the high temperature algae matter heat-insulating block monomer efflorescence time and preventing early damage from playing positive role, limit quirk is unlikely the uniformity of temperature and the roasting technique curve affecting limit quirk and rim charge case because leaking out, because the cold crushing strength of high temperature algae matter heat-insulating block is at more than 4MPa, obviously can reduces all sides big-wall and in use introversion occur, so that squeeze the phenomenon pushing away limit quirk, this will be conducive to the service life of improving open-type anode roasting furnace.
[accompanying drawing explanation]
Fig. 1 is the position view that outer heat insulation layer of the present utility model is in anode-baking furnace week side big-wall;
Fig. 2 is the stereogram of high temperature algae matter heat-insulating block monomer of the present utility model;
Fig. 3 is the view of a side end face of high temperature algae matter heat-insulating block monomer of the present utility model;
Fig. 4 is the plane of open-type anode roasting furnace.
[detailed description of the invention]
Below embodiment of the present utility model 1,2,3,4 is described in detail by reference to the accompanying drawings, but protection domain of the present utility model not limit by embodiment.
Comprise the open-type anode roasting furnace week side big-wall of outer heat insulation layer, it is folded between the limit quirk 5 of open-type anode roasting furnace and outer basic shell 1, has outer heat insulation layer 2, moderate soak layer 3 and inner thermal insulating layer 4, and described inner thermal insulating layer 4 is 1.3g/cm by density
3high-strength light insulating brick masonry build by laying bricks or stones and form, described outer heat insulation layer 2 is built by laying bricks or stones by high temperature algae matter heat-insulating block monomer 20 block-by-block and is formed, this high temperature algae matter heat-insulating block monomer 20 has two relative bricklaying surfaces, a bricklaying surface has raised line 24, and another bricklaying surface has groove 23, make adjacent high-temperature algae matter heat-insulating block monomer when bricklaying surface is involutory, together with raised line 24 is connected with groove 23, raised line 24 is in convex, groove 23 is in concave curved surface shape, the arc radius scope of raised line 24 is 5 ~ 30mm, and the arc radius scope of groove 23 is 7 ~ 32mm.
Described moderate soak layer 3 adopts ceramic wool insulation plate, and its density is 0.3 ~ 0.6g/cm
3, thickness is 30 ~ 50mm.
Shown in Fig. 2,3, high temperature algae matter heat-insulating block monomer 20 has upper bricklaying surface 21, lower bricklaying surface 22, and groove 23 is arranged on bricklaying surface 21, and raised line 24 is arranged on lower bricklaying surface 22.
The left and right sides end face structure of high temperature algae matter heat-insulating block monomer 20 is symmetrical.
Wherein, the one piece of high temperature algae matter heat-insulating block monomer 20 being arranged in top only has a bricklaying surface, namely descends bricklaying surface 22 to be provided with raised line 24, correspondingly, the one piece of high temperature algae matter heat-insulating block monomer 20 being arranged in bottom only has a bricklaying surface, namely goes up bricklaying surface 21 and is provided with groove 23, as shown in Figure 1.
For improving working (machining) efficiency, raised line 24 extends along lower bricklaying surface 22, and groove 23 then extends along upper bricklaying surface 21.
The density of high temperature algae matter heat-insulating block monomer 20 is 0.8 ~ 0.9g/cm
3; Cold crushing strength>=4MPa.
The length dimension scope of high temperature algae matter heat-insulating block monomer 20 is 150 ~ 360mm, and width dimensions scope is 100 ~ 300mm, and gauge scope is 60 ~ 240mm.
In the present embodiment, the size of high temperature algae matter heat-insulating block monomer 20: long 270mm × wide 133mm × thick 66mm.
High temperature algae matter heat-insulating block monomer 20 adopts special insulating refractory mud to carry out block-by-block and builds by laying bricks or stones, and raised line 24 and groove 23 are connected, thus form the outer heat insulation layer 2 of the not easily changing of the relative positions.
In Fig. 4, M is the center line of open-type anode roasting furnace, the space that arrange at regular intervals two stifled quirk walls 51,52 are formed forms a limit quirk 5, article one, a stifled quirk wall 52 of limit quirk and adjacent of an adjacent limit quirk block up between quirk wall 51 and form hopper 6, shown in composition graphs 1.
Detect through coherent detection mechanism, be of a size of the high temperature algae matter heat-insulating block monomer 20 of the present utility model of long 270mm × wide 133mm × thick 66mm, its thermal conductivity is 0.19W/m.k, meets technological requirement.All the other technical indicators are as follows:
Density is 0.87g/cm
3, cold crushing strength is 4.95MPa;
Test period 8 hours, test temperature are up under the condition of 940 DEG C, and reheating linear shrinkage ratio still reaches 2%.
Reheating linear shrinkage test shows: this high temperature algae matter heat-insulating block obviously can improve built by laying bricks or stones the volume contraction of all sides big-wall under long term high temperature environment, avoid being formed in masonry and subside and cavity, the cold blast rate that obvious minimizing sucks from all sides big-wall, thus reducing the cold wind entering limit quirk, anode-baking product yield rate is high.
After high temperature algae matter heat-insulating block monomer 20 is processed into briquet, by point secondary operations shaping raised line 24, groove 23 on cutting dies, when processing raised line 24, cutting dies is installed die in advance and is carried out, and when processing groove 23, then punch is loaded onto in cutting dies displacement.
Claims (5)
1. comprise an open-type anode roasting furnace week side big-wall for outer heat insulation layer, be folded between the limit quirk of open-type anode roasting furnace and outer basic shell, have outer heat insulation layer, moderate soak layer and inner thermal insulating layer, described inner thermal insulating layer is 1.3g/cm by density
3high-strength light insulating brick masonry build by laying bricks or stones and form, it is characterized in that: described outer heat insulation layer is built by laying bricks or stones by high temperature algae matter heat-insulating block monomer block-by-block and formed, this high temperature algae matter heat-insulating block monomer has two relative bricklaying surfaces, a bricklaying surface has raised line, and another bricklaying surface has groove, make adjacent high-temperature algae matter heat-insulating block monomer when bricklaying surface is involutory, raised line and groove engagement link together, described raised line is convex, described groove is concave curved surface shape, its arc radius scope of described raised line is 5 ~ 30mm, its arc radius scope of described groove is 7 ~ 32mm.
2. open-type anode roasting furnace according to claim 1 all sides big-wall, is characterized in that: described raised line extends along a described bricklaying surface, and described groove extends along another bricklaying surface described.
3. open-type anode roasting furnace according to claim 1 all sides big-wall, is characterized in that: the density of described high temperature algae matter heat-insulating block monomer is 0.8 ~ 0.9g/cm
3.
4. open-type anode roasting furnace according to claim 3 all sides big-wall, is characterized in that: the cold crushing strength >=4MPa of described high temperature algae matter heat-insulating block monomer.
5. open-type anode roasting furnace according to claim 1 all sides big-wall, is characterized in that: the length dimension scope of described high temperature algae matter heat-insulating block monomer is 150 ~ 360mm, and width dimensions scope is 100 ~ 300mm, and gauge scope is 60 ~ 240mm.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420503580.1U CN204063957U (en) | 2014-08-26 | 2014-08-26 | Comprise the open-type anode roasting furnace week side big-wall of outer heat insulation layer |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420503580.1U CN204063957U (en) | 2014-08-26 | 2014-08-26 | Comprise the open-type anode roasting furnace week side big-wall of outer heat insulation layer |
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| CN204063957U true CN204063957U (en) | 2014-12-31 |
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|---|---|---|---|
| CN201420503580.1U Expired - Fee Related CN204063957U (en) | 2014-08-26 | 2014-08-26 | Comprise the open-type anode roasting furnace week side big-wall of outer heat insulation layer |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113390262A (en) * | 2021-06-24 | 2021-09-14 | 沈阳铝镁设计研究院有限公司 | Side wall structure of roasting furnace |
-
2014
- 2014-08-26 CN CN201420503580.1U patent/CN204063957U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113390262A (en) * | 2021-06-24 | 2021-09-14 | 沈阳铝镁设计研究院有限公司 | Side wall structure of roasting furnace |
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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 | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20141231 Termination date: 20160826 |