CN201837245U - Modular flame path wall for open-type anode roasting furnace - Google Patents

Modular flame path wall for open-type anode roasting furnace Download PDF

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Publication number
CN201837245U
CN201837245U CN 201020561618 CN201020561618U CN201837245U CN 201837245 U CN201837245 U CN 201837245U CN 201020561618 CN201020561618 CN 201020561618 CN 201020561618 U CN201020561618 U CN 201020561618U CN 201837245 U CN201837245 U CN 201837245U
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CN
China
Prior art keywords
flame
module
wall
quirk
type anode
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Expired - Fee Related
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CN 201020561618
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Chinese (zh)
Inventor
曾学清
王有来
李贵华
邓文
杨求思
李勇
车金平
石明均
岳卫东
熊飞
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SICHUAN AOSTARAL ALUMINUM Co Ltd
SICHUAN PROVINCE MEISHAN CITY JINSHI REFRACTORY MATERIAL CO Ltd
Luoyang Institute of Science and Technology
Original Assignee
SICHUAN AOSTARAL ALUMINUM Co Ltd
SICHUAN PROVINCE MEISHAN CITY JINSHI REFRACTORY MATERIAL CO Ltd
Luoyang Institute of Science and Technology
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Priority to CN 201020561618 priority Critical patent/CN201837245U/en
Application granted granted Critical
Publication of CN201837245U publication Critical patent/CN201837245U/en
Anticipated expiration legal-status Critical
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Abstract

The utility model discloses a modular flame path wall for an open-type anode roasting furnace, which is more convenient for construction and has better integrity; the modular flame path wall is assembled by 2 to 60 flame-resistant prefabricated modules, the module with a fire hole is a fire hole module, the module with a flame guiding body is a flame guiding module and each flame guiding module is additionally provided with a flame zone structural section, a flame zone structure is formed by the combination of the flame zone structural sections and divides the whole flame path wall into flame zones corresponding to the fire holes, a positioning structure is arranged between modules at the upper layer and the lower layer, concave structures and convex structures matched with each other are arranged on the opposite contact surfaces of the modules, and the flame guiding bodies are integrally formed with the modules. A module communicating vertical seam is designed on each flame guiding module, and the number of the module communicating vertical seams is determined according to the module size and the roasting process of the anode roasting furnace. The modular flame path wall for the open-type anode roasting furnace is convenient, quick and efficient for construction, and has strong integrity, good stability, longer service life, low energy consumption and good comprehensive economic benefits.

Description

Open type anode-baking furnace modular quirk wall
Technical field
The utility model relates to the open type anode-baking furnace in the high temperature kiln equipment, especially a kind of fire tunnel wall structure of open type anode-baking furnace.
Background technology
The open type anode-baking furnace is a kind of high temperature kiln that is used for roasting carbon annode goods at present both at home and abroad, and this carbon annode goods use in the aluminium cell of aluminum electrolysis industry, as the anode use of metallic aluminium electrolytic cell.The quirk wall is the crucial body of heater of open type anode-baking furnace, it is mainly formed structure and comprises the two row quirk walls that are arranged on both sides and be arranged on hopper between this two row quirk wall, each row quirk wall comprises many quirk walls that are arranged in order, each bar quirk wall is made by refractory material, it comprises the outer body of wall that is parallel to each other, interior body of wall and be arranged on outer body of wall, burner body on the interior body of wall, and be connected flame partitioned organization and flame guide way between outer body of wall and the interior body of wall, the burner body is provided with at least two burners, each burner is corresponding with each the flame subregion that is separated into by the flame partitioned organization, and each flame subregion is interconnected.The flame guide way is the column structure that is connected between outer body of wall and the interior body of wall, generally speaking the flame guide way is perpendicular to body of wall, a flame that enters from burner can be broken up into some flames during through this structure, its function is the different up and down direction of flame guiding that will enter from burner, is beneficial to the quirk equiblibrium mass distribution of heat energy within the walls.The good and bad service life that directly influences roaster of quirk wall performance.
Because the carbon annode goods need be adorned, be gone out to roaster in the course of the work repeatedly, variations in temperature is big in the stove, causes the body of heater cracking easily, the easy deformation of unevenness of body of heater.The a tree name data shows and facts have proved, the present following problem of China's aluminum electrolysis industry open type anode-baking furnace ubiquity:
1, the hopper of stove is big along the height and the length direction temperature difference.
2, the globality of stove hopper structure is relatively poor; Particularly the problem that bight cracking, hopper and quirk connect appears in stove operation easily after about 1 year, has consequently increased the scaling loss of inserts, causes the oxidation of anode product simultaneously, can reduce the qualification rate even the product rejection of product when serious.
3, quirk, hopper gross distortion.The distortion of stove quirk will directly influence the hopper size stability.Be out of shape serious quirk and the excessive hopper of change in size, not only increase the scaling loss of inserts, impel the oxidation of product, and to product to take on furnace operating very harmful, particularly to the stove of high mechanization operation, excessive distortion will mean the termination of furnace life.
4, in various degree body of heater cracking, gas leakage appear in stove after operation a period of time.
5, stove quirk head temperature is too high.
6, the heat radiation of stove and accumulation of heat loss is big.
The service life that in the above problem, the globality of hopper structure is poor, antianode roasters such as body of heater cracking, gas leakage in various degree appear in the distortion of quirk, hopper, stove after operation a period of time, the quality influence of anode-baking are bigger.
The major reason that produces the problems referred to above is the refractory material overall construction design of anode-baking furnace key position such as baking furnace flame path body of wall etc. and the requirement that refractory quality fails to reach on-the-spot service condition, thereby causes the refractory material distortion of key position to surpass the limit that allows.
At present, domestic carbon anode roasting stove fire road wall adopts common high alumina fragment of brick to build by laying bricks or stones mostly.The quirk wall problem that adopts this mode to build by laying bricks or stones is a lot, and distinct issues have: (1) is a lot of because of brickwork joint between the little fragment of brick, and globality is poor, and its overall construction intensity is not high under the high temperature, cracking and distortion easily during the quirk wall uses, and service life is lower; (2) the open type anode-baking furnace with one 36 Room is an example, and it has more than 300 quirk wall, if build by laying bricks or stones with little fragment of brick, need the fragment of brick enormous amount of usefulness, construction labour intensity is big, and efficient is low, long construction period, the overhaul engineering time of each bar quirk wall generally needs about 72 hours consuming time; (3) heat energy distribution of stove is unbalanced, and the heat energy utilization rate is low, the integrated cost height.
In the relevant patented technology document of disclosed open type anode-baking furnace, to its quirk wall mainly is aspect material selection and the partial structurtes transformation, done more useful exploration, can solve a certain position of quirk wall or problem in a certain respect to a certain extent, as solve local stability, the gas permeability of quirk wall, the intensity thermal shock resistance of body of wall material, to perplex roaster user's FAQs effect for a long time limited but in various degree body of heater cracking, gas leakage etc. appear in, quirk distortion poor to the globality that solves the hopper structure, hopper distortion, stove after operation a period of time.
The utility model content
Existing open type anode roasting fire path wall globality is poor in order to overcome, the deficiency of construction inconvenience, and technical problem to be solved in the utility model provides a kind of construction and the better open type anode-baking furnace of globality modular quirk wall of being more convenient for.
The technical scheme that its technical problem that solves the utility model adopts is: open type anode-baking furnace modular quirk wall, the quirk wall is made by refractory material, it comprises outer body of wall, interior body of wall and be connected outer body of wall, burner body on the interior body of wall, and be connected flame guide way between outer body of wall and the interior body of wall, the burner body is provided with at least two burners, each burner is corresponding with each the flame subregion that is separated into by the flame partitioned organization, each flame subregion is interconnected, described quirk wall is formed by the module assembling, the burner body is made up of at least one preformed burner module, is provided with the burner integrally formed with the burner module on the burner module; Described outer body of wall, interior body of wall and the flame guide way that is connected between outer body of wall, the interior body of wall are made up of at least one preformed flame module of leading, single lead the flame module by outer panel, interior plate and be connected outer panel and interior plate between at least one flame guide way form, flame guide way and described to lead the flame module integrally formed, the outer panel of respectively leading the flame module makes up the back and constitutes outer body of wall, and the interior plate of respectively leading the flame module makes up body of wall in the formation of back.
Described leading also is provided with flame partitioned organization section on the flame module, flame partitioned organization section is the baffle plate that is connected between described outer panel and the interior plate, each flame partitioned organization section combination back constitutes flame partitioned organization, flame partitioned organization section and described to lead the flame module integrally formed.
Described to lead the flame module integrally formed with at least one of being adjacent for described burner module.
Correspondingly on described outer panel of leading the flame module and interior plate be provided with the module that parallel interval arranges and connect perps.
The width that described module connects perps is 2~4mm, highly is 90~100mm.
The described flame module layered arrangement of leading, the upper and lower adjacent flame module of leading is provided with and cooperatively interacts and the location structure integrally formed with this module.
Relative contact-making surface is provided with suitable concavo-convex fit structure between the described adjacent modules.
Bonding between the described adjacent modules with refractory mortar.
Described module all with the refractory material formed by integrally casting after high-temperature firing form.
Described quirk wall is made up of 2-60 piece module.
The beneficial effects of the utility model are: quirk wall globality is strong, has good stability, and the probability that occurs quirk wall, hopper displacement, sinking, cracking, distortion in the use is less; Anticorrosive, the life-span is long; Convenient to disassembly, the dismounting of whole piece quirk wall and installation can be finished at 12~13 hours; Energy consumption is low, energy-saving effect is comparatively outstanding, and overall economic efficiency is preferably arranged.
Description of drawings
Fig. 1 is a front view of the present utility model;
Fig. 2 is the vertical view of module one among Fig. 1
Fig. 3 is the A-A profile of Fig. 2;
Fig. 4 is the vertical view of module two among Fig. 1;
Fig. 5 is the front view of Fig. 4;
Fig. 6 is that K portion is the local enlarged diagram that module connects perps among Fig. 4;
Fig. 7 is the vertical view of module three among Fig. 1;
Fig. 8 is the front view of Fig. 7;
Fig. 9 is the vertical view of module four among Fig. 1;
Figure 10 is the front view of Fig. 9;
Figure 11 is the vertical view of module five among Fig. 1;
Figure 12 is the front view of Figure 11;
Figure 13 is the vertical view of module six among Fig. 1;
Figure 14 is the front view of Figure 13;
Figure 15 is the vertical view of module seven among Fig. 1;
Figure 16 is the front view of Figure 15;
Figure 17 is the cooperation cutaway view of neighbouring two modules;
Figure 18 be in the utility model in the same module two wide with flame guide way connecting portion schematic diagram;
Figure 19 is the cooperation cutaway view of adjacent two modules in the left and right sides.
Figure 20 is the fire tunnel wall structure schematic diagram.
Figure 21 is the B-B cutaway view of Figure 20.
Be labeled as 1-module one, 2-module two, 3-module three among the figure, 4-module four, 5-module five, 6-module six, 7-module seven, 8-flame guide portion line, the 9-module connects perps, 10-flame partitioned organization, 11-flame guide way, 12-flame partitioned organization section, 13-refractory mortar, 14-refractory material, 15-location structure, the 16-burner, 17-flame subregion, 18-outer panel, 19-interior plate, the 20-baffle plate, the outer body of wall of 21-, body of wall in the 22-, 23-burner body.
The specific embodiment
Below in conjunction with drawings and Examples the utility model is further specified.
As Fig. 1~shown in Figure 21, open type anode-baking furnace modular quirk wall of the present utility model is made by refractory material, it comprises outer body of wall 21, interior body of wall 22 and be connected outer body of wall 21, burner body 23 on the interior body of wall 22, and be connected flame guide way 11 between outer body of wall 21 and the interior body of wall 22, burner body 23 is provided with at least two burners 16, each burner 16 is corresponding with each the flame subregion 17 that is separated into by flame partitioned organization 10, each flame subregion 17 is interconnected, described quirk wall is formed by the module assembling, burner body 23 is made up of at least one preformed burner module, and the burner 16 on the burner module is integrally formed with the burner module; Described outer body of wall 21, interior body of wall 22 and be connected outer body of wall 21, flame guide way 11 between the interior body of wall 22 is made up of at least one preformed flame module of leading, the single flame module of leading is by outer panel 18, interior plate 19 and be connected outer panel 18 and interior plate 19 between at least one flame guide way 11 form, flame guide way 11 is with described to lead the flame module integrally formed, flame guide way 11 is connected outer panel 18, between the interior plate 19, be equivalent to be arranged on the some pull bars between the two, objectively can also play enhancing module bulk strength, prevent the module distortion, the effect of cracking.According to the difference that different parts flame guiding is required, described flame guide way 11 can adopt the column structure of different cross section shape, and its cross sectional shape can be rectangle, runway shape etc.The outer panel 18 combination backs of respectively leading the flame module constitute outer body of wall 21, body of wall 22 in the interior plate 19 combination backs of each module constitute.Because the burner module, to lead the flame module all be preformed, intensity is higher, integrality of wall improves, flame guide way 11 is integrally formed with leading the flame module, overcome the deficiency that it is inconvenient that existing body of wall is constructed when building the flame guide way by laying bricks or stones, both improve efficiency of construction, improved quirk wall service life again, also helped improving the product quality of open type anode-baking furnace.In addition, if there be a certain module damage can not continue to use in the use, the module with damaging that can more conveniently save trouble is changed, and is less to the influence of roaster operation.
As Fig. 1, Fig. 4~shown in Figure 21, for further facilitating construction, described leading also is provided with flame partitioned organization section 12 on the flame module, flame partitioned organization section 12 is for being connected the baffle plate 20 between described outer panel 18 and the interior plate 19, each flame partitioned organization section 12 combination backs constitute flame partitioned organizations 10, and flame partitioned organization section 12 is with described to lead the flame module integrally formed.After each module assembling connection is finished, flame partitioned organization 10 also forms thereupon, convenient construction, flame partitioned organization section 12 is with described to lead the flame module integrally formed, the intensity wall of flame partitioned organization 10 is strong, be equivalent to and be provided with some fixing structures that draw between body of wall 21 and the interior body of wall 22 outside, can play the effect that strengthens quirk wall bulk strength, prevents its distortion, cracking, improved the globality of quirk wall, quirk wall bulk strength is improved, more not yielding, cracking help improving the product quality of open type anode-baking furnace.
If inside modules is not provided with the flame guide frame, module promptly becomes the hollow cavity body so.Contrast, the utility model is provided with guide frames such as flame guide way 11, flame partitioned organization section 12 in inside modules, support is then arranged between the body of wall of cavity block body periphery mutually, the bulk strength of whole module is higher than the hollow cavity build module that does not have the flame guide frame, has better overall, make again simultaneously and enter quirk flame within the walls and can arrive quirk each position of portion within the walls, each position temperature equalization in the hopper, heat energy utilization is abundant, efficient energy-saving has also further facilitated the construction operation of whole quirk wall.
Be further to improve the globality of quirk wall, described burner module also can described to lead the flame module integrally formed with at least one that be adjacent.
As Fig. 1, Fig. 4 and shown in Figure 6, correspondingly on described outer panel 18 of leading the flame module and interior plate 19 be provided with the module that parallel interval arranges and connect perps 9, it also is preformed with regard to one when the flame module is led in making that described module connects perps 9, be that correspondence is opened in a plurality of strip through-hole structures on outer panel 18 and the interior plate 19, this structure is evenly to arrange, and vertical the setting, that is system is parallel to the setting of flame approach axis after assembling, can further guarantee the quirk uniformity of heat distribution within the walls, guarantee the stable of product quality, in addition, the impurity that through-hole structure can make anode block get rid of in roasting process, waste gas enters quirk smoothly under the quirk condition of negative pressure, promote the burning in the quirk on the one hand, promoted the impurities removal of anode block to purify on the other hand, help improving the quality of carbonaceous product.
For reaching more stable above-mentioned effect, the width that described module connects perps 9 is 2~4mm, highly be 90~100mm, be about to module perforation perps 9 and be designed to the fillet shape, both can avoid flame to connect perps 9 and directly touched product in the roaster by module, cause product quality defect, avoided the interior filler of hopper 9 obstructions of described module perforation perps to be hindered the situation of above-mentioned effect simultaneously again as possible.
The single module of leading the flame module connects the quantity of perps 9, that is module connects the density that perps 9 is arranged, can be according to the module size of making and each anode-baking furnace process conditions, wait to determine as perps distribution situation, the status of energy consumption of the quirk wall of design.Under the usual conditions, described each to lead the bar number that module on the flame module connects perps 9 be 30~590.
Because the length of the outer body of wall 21 of quirk wall, interior body of wall 22, height dimension are generally at 5m~6m, width is about about 550mm, be making, transportation, the installation and removal that make things convenient for individual module, and assurance pouring quality, generally the quirk wall being divided into each layer that is arranged above and below makes, the described flame module layered arrangement of leading, as required, each layer can be made up of the module more than two respectively again as required again, be the convenient location of installing, adhere to the upper and lower two-layer adjacent flame module of leading separately and be provided with and cooperatively interact and the location structure 15 integrally formed with this module.As shown in Figure 1, described location structure can adopt simple boss, groove structure.Like this, after the module installation of bottom, easily, so successively build convenient and quick construction by laying bricks or stones according to other module on location structure 15 its upper stratas in place.
Usually, take all factors into consideration the whole serviceability of roaster user's needs and roaster, described body of wall can be made up of 2~60 modules, the mould design of individual module can be too not complicated, simultaneously, the quantity of module is also not many, is convenient to construction, can just finish the installment work of a quirk wall within 12~13 hours.
As Figure 17, shown in Figure 19, for improving the steadiness of quirk wall, and prevent that flame from spilling from module contact cooperation place, described about or neighbouring lead between the flame module, between the burner module or the burner module with lead contact-making surface relative between the flame module on be provided with suitable concavo-convex fit structure.
Except designing the concaveconvex structure above-mentioned contact site at upper and lower or left and right adjacent block, as shown in Figure 1, for improving the globality of quirk wall, better means are, describedly adjacent lead between the flame module, between the burner module or burner module and lead between the flame module bonding with refractory mortar 13.
Be to improve the globality of module and improve efficiency of construction, described burner module, lead two kinds of modules such as flame module all with the refractory material formed by integrally casting after high-temperature firing form.
Embodiment:
As Fig. 1~shown in Figure 13, consist of example with a quirk wall by 12 modules and further specify content of the present utility model.
The body of wall of quirk wall shown in Figure 1 is made up of 12 modules, has divided five layers from top to bottom, the burner body 23 that ground floor is made up of two modules 1, and module 1 is provided with burner 16, is the burner module; The second layer~layer 5 is to lead outer body of wall 21, interior body of wall 22 and flame guide way 11 of the two and the flame partitioned organization 10 that the flame module masonry becomes by ten, the second layer is made up of two modules 22 and module 33 between the two, form by two modules 44 for the 3rd layer, the 4th layer of module 66 that is reached between the two by two modules 55 formed, and layer 5 is made up of two modules 77.
It is integrally formed also the body of wall simple division of quirk wall shown in Figure 1 can be become two parts, and for example constitutes upper module, the integrally formed formation lower module of above-mentioned following two-layer module by above-mentioned last three layers of module are integrally formed.Be the burner module can with at least one to lead the flame module integrally formed, above said upper module come to this.Burner module and lead flame module general designation module.
As Figure 17, shown in Figure 19, each module is provided with the concavo-convex fit structure suitable with adjacent block.
Quirk wall shown in Figure 1 has four burners 16, be correspondingly provided with four flame subregions 17 of approximate equality, respectively lead and be provided with flame guide way 11 on the flame module, flame partitioned organization section 12 and many module perforation perps 9 that parallel interval is provided with, between each module with refractory mortar 13 bonding after, the flame partitioned organization 10 of four flame subregions 17 forms thereupon, each flame subregion 17 roughly is divided into three little flame guide portion along flame guide portion line 8 two row flame guide waies 11 spaced apart again substantially, have 12 flame guide portion, each flame subregion 17 is interconnected, each flame guide portion also is interconnected, guarantee that flame can reach each position of quirk wall, thus, quirk portion within the walls is divided into 12 little thermal energy transfer zones, strengthened the quirk equiblibrium mass distribution of heat energy within the walls, helped the quirk wall and conduct heat to the equilibrium of hopper.
Each module preferably adopts casting material prefabricated the forming of silicon nitride composite high-performance of erosion with good anti-thermal shock stability, refractoriness under load height, resisting sulfide and fluoride, elevated temperature strength height, good heat conductivity, when prefabricated, the flame guide way 11 and the flame partitioned organization section 12 that belong to the module part also are shaped in the lump.
The advantage of this flue wall is: modularized design, and quick construction is convenient, and local flue wall reparation does not need blowing out, and the globality of module and the globality of flue wall are all better, are not easy to deform, ftracture, and service life is longer, generally more than 5 years; The whole piece flue wall has preferably globality, steadiness, security; Internal structure has the function division of many-sided technical conditions such as satisfying roasting carbon annode product heat energy distribution, gas permeability, flue wall energy uniformly transfer heat, each position of carbon product is subjected to thermal balance, generally underburnt and burn-off phenomenon can not occur, also is conducive to improve the product quality of roaster.

Claims (10)

1. open type anode-baking furnace modular quirk wall, the quirk wall is made by refractory material, it comprises outer body of wall (21), interior body of wall (22) and be connected outer body of wall (21), burner body (23) on the interior body of wall (22), and be connected flame guide way (11) between outer body of wall (21) and the interior body of wall (22), burner body (23) is provided with at least two burners (16), each burner (16) is corresponding with each the flame subregion (17) that is separated into by flame partitioned organization (10), each flame subregion (17) is interconnected, it is characterized in that: described quirk wall is formed by the module assembling, burner body (23) is made up of at least one preformed burner module, the burner module is provided with the burner integrally formed with the burner module (16), described outer body of wall (21), interior body of wall (22) and be connected outer body of wall (21), flame guide way (11) between the interior body of wall (22) is made up of at least one preformed flame module of leading, the single flame module of leading is by outer panel (18), interior plate (19) and be connected outer panel (18) and interior plate (19) between at least one flame guide way (11) form, flame guide way (11) is with described to lead the flame module integrally formed, the outer panel (18) of respectively leading the flame module makes up the back and constitutes outer body of wall (21), and the interior plate (19) of respectively leading the flame module makes up body of wall (22) in the formation of back.
2. open type anode-baking furnace modular quirk wall as claimed in claim 1, it is characterized in that: described leading also is provided with flame partitioned organization section (12) on the flame module, flame partitioned organization section (12) is for being connected the baffle plate (20) between described outer panel (18) and the interior plate (19), each flame partitioned organization section (12) combination back constitutes flame partitioned organization (10), and flame partitioned organization section (12) is with described to lead the flame module integrally formed.
3. open type anode-baking furnace modular quirk wall as claimed in claim 1 or 2 is characterized in that: described to lead the flame module integrally formed with at least one of being adjacent for described burner module.
4. open type anode-baking furnace modular quirk wall as claimed in claim 1 or 2 is characterized in that: go up the corresponding module perforation perps (9) that parallel interval is arranged that is provided with at described outer panel (18) of leading the flame module with interior plate (19).
5. open type anode-baking furnace modular quirk wall as claimed in claim 4 is characterized in that: the width that described module connects perps (9) is 2~4mm, highly is 90~100mm.
6. open type anode-baking furnace modular quirk wall as claimed in claim 1 or 2 is characterized in that: the described flame module layered arrangement of leading, the upper and lower adjacent flame module of leading is provided with and cooperatively interacts and the location structure (15) integrally formed with this module.
7. open type anode-baking furnace modular quirk wall as claimed in claim 1 or 2, it is characterized in that: relative contact-making surface is provided with suitable concavo-convex fit structure between the described adjacent modules.
8. open type anode-baking furnace modular quirk wall as claimed in claim 1 or 2 is characterized in that: bonding with refractory mortar (13) between the described adjacent modules.
9. open type anode-baking furnace modular quirk wall as claimed in claim 1 or 2 is characterized in that: described module all with the refractory material formed by integrally casting after high-temperature firing form.
10. open type anode-baking furnace modular quirk wall as claimed in claim 1 or 2, it is characterized in that: described quirk wall is made up of 2-60 piece module.
CN 201020561618 2010-10-14 2010-10-14 Modular flame path wall for open-type anode roasting furnace Expired - Fee Related CN201837245U (en)

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Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN101936659A (en) * 2010-10-14 2011-01-05 四川省眉山市金石耐火材料有限公司 Open type anode roasting furnace modular fire wall

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN101936659A (en) * 2010-10-14 2011-01-05 四川省眉山市金石耐火材料有限公司 Open type anode roasting furnace modular fire wall

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