CN101672575A - Method for building wall of flame channel of anode baking furnace - Google Patents
Method for building wall of flame channel of anode baking furnace Download PDFInfo
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- CN101672575A CN101672575A CN200810013134A CN200810013134A CN101672575A CN 101672575 A CN101672575 A CN 101672575A CN 200810013134 A CN200810013134 A CN 200810013134A CN 200810013134 A CN200810013134 A CN 200810013134A CN 101672575 A CN101672575 A CN 101672575A
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Abstract
The invention discloses a method anode baking furnace in the field of aluminum-consuming anode production and particularly relates to a method for building a wall of a flame channel of the anode baking furnace. The wall of the flame channel of the anode baking furnace is built by flame channel wall special bricks and spline-type core rods layer by layer. In a building process, two adjacent flame channel wall special bricks are jointed with a 'phi' or 'square-string'-shaped brickwork joint formed on the joint faces of the two adjacent flame channel wall special bricks along the height directionof the bricks, and a spline-type core rod having a section shape matched with the 'phi' or 'square-string'-shaped brickwork joint is dripped or spreaded with fire-retarding slurry and then inserted into the phi-shaped brickwork joint from an upper side to form an embedded wedge connecting structure of the two adjacent flame channel special bricks. The special bricks on the same layer of the wholeflame channel wall are jointed in the same way, and adjacent special brick layers are built by a normal method. The method has the advantages that: the flame channel wall structure of the invention is high in strength; a material box is insusceptible to deformation; furnace charge and discharge operation is not influenced; and the maintenance cost of the anode baking furnace is reduced.
Description
Technical field
The present invention relates to the anode-baking furnace of aluminium anode production field, particularly relate to a kind of building method of anode roasting fire path wall.
Background technology
In the aluminum anode roasting production process, be placed in the hopper of forming by quirk wall and cross wall and furnace bottom based on the green anode of carbonaceous raw material, and adopt the coke grain to fill sealing as inserts, isolated with air.The heat that anode-baking is required is to send into fuel from the burner port that is located at quirk wall top, produces through fully burning.The heat that fuel combustion produces heats the quirk wall of hopper both sides, passes through the heat transfer effect of quirk wall building materials again, conducts heat to inserts and anode block in the hopper.Because anode block is to heat up under the condition of inserts sealing, secluding air, so also just avoided the oxidation of anode block.In the anode-baking process, temperature rise to 300～600 ℃ when interval, have a large amount of high heating value fugitive constituents in the anode block and overflow successively, they are main energy sources of anode-baking.Anode block is through the heating of some cycles, and maximum temperature can rise to 1050～1100 ℃, and the insulation through suitable can finish its heating, enters cooling procedure.
Domestic, comprise external each existing anode-baking furnace of big anode production factory, in order to make full use of the fugitive constituent that overflows by anode block in the hopper, all when building by laying bricks or stones, adopt on the quirk wall upright brickwork joint not beat mud, keep somewhere the thick empty brickwork joint of 1～4mm,, rely on the negative pressure in the quirk as the fugitive constituent passage, these fugitive constituent suction quirks are participated in burning, effectively reduced the extra fuel amount of infeeding.This fugitive constituent utilizes mode, has become the energy-conservation main means of anode-baking furnace.But this fire tunnel wall structure has the shortcoming of following two aspects: 1, establish the fugitive constituent passage in order to stay, only beat mud when building the quirk wall by laying bricks or stones at Wo Zhuanfengchu, mud is not all beaten at thirty years of age brickwork joint place, though the mud of Wo Zhuanfengchu through high temperature sintering, the bulk strength of whole quirk wall is still undesirable; 2, the fire tunnel wall structure of the upright brickwork joint of this sky, under the hot conditions of stove work, taking under the mechanical external force effect of furnace operating, be easy to bulk deformation, severe patient can cause the hopper distortion, cause to implement mechanization and take on furnace operating, the quirk wall is scrapped in advance, obviously increased the stove maintenance cost.
Summary of the invention
The present invention provides a kind of building wall of flame channel of anode baking furnace structure, purpose exactly in order to solve the problems of the technologies described above be to solve the fire tunnel wall structure intensity difference, and hopper is yielding, and influence takes on furnace operating, the problem that causes the anode-baking furnace maintenance cost to increase.
In order to solve the problems of the technologies described above, the present invention adopts following technical scheme to realize.
It is successively to be built by laying bricks or stones by quirk wall special form brick and spline type plug to form, the structure of this quirk wall special form brick is that the upper surface is provided with boss, the lower surface is provided with groove, the mother-son mouth occlusion structure of levels brick was equipped with end recesses at the two ends, the left and right sides of quirk wall special form brick when boss and groove conduct were built by laying bricks or stones; When building by laying bricks or stones, after adjacent two blocks of quirk wall special form bricks butt joint, its joint form " Φ " shape or " in " the shape brickwork joint, adopt simultaneously a cross sectional shape and " Φ " shape or " in " the spline type plug that is complementary of shape brickwork joint, the libation at an ancient wedding ceremony or spread refractory wass inserts from the top of Φ shape brickwork joint, forms the embedding wedge syndeton of adjacent quirk special form brick, whole quirk wall all is connected with this method with layer special form brick, builds by laying bricks or stones according to a conventional method between the adjacent different shaped brick layer.
The brick body of described quirk wall special form brick is a ventilative body of refractory material that is provided with the fugitive constituent passage equably.
When described levels quirk wall special form brick is repeatedly built, refractory wass to be made, when adjacent quirk wall special form brick butt joint is built by laying bricks or stones, refractory wass will be made on the plane of butt joint at its contact-making surface.
Described " Φ " shape or " in " shape brickwork joint middle part is provided with hole.
Described hole cross sectional shape can be circular, also can be the trapezoidal of ellipse, prismatic or two butt joints, and described hole section radius or size dimension scope are 5～60mm.
The peripheral gabarit shape of described spline type plug should with " Φ " shape or " in " the hole cross sectional shape at shape brickwork joint middle part is complementary, its short transverse is provided with the plug spline in upper edge, spline type mandrel outer surface, the quantitative range of spline is 2～10.
Described plug spline cross sectional shape is a circular arc or " [" shape, the depth dimensions scope of spline is 2～20mm.
The length dimension scope of described spline type plug is 80～600mm.
Described spline type plug can be prefabricated into the length that is complementary with quirk special form brick height, also can build the length that on-site cutting becomes and quirk special form brick height is complementary by laying bricks or stones.
A kind of building wall of flame channel of anode baking furnace structure of the present invention has the following advantages:
1, the contact-making surface between all quirk wall special form bricks all has the refractory wass bonding, forms the quirk wall that bulk strength is good behind high temperature sintering.
2, be located at fugitive constituent passage on each quirk special form brick body, be evenly distributed, the fugitive constituent that can guarantee to produce in the hopper is by suction quirk burning smoothly.
3, interlock is firm between all quirk wall special form bricks, has effectively improved the ability of quirk wall high temperature resistance, anti-mechanical shock, the service life that helps improving the quirk wall.
4, simplify quirk wall building process, can effectively improve the construction time speed that the quirk wall is built by laying bricks or stones.
5, simple in structure, easy to implement, reduced the anode-baking furnace maintenance cost.
Description of drawings
Fig. 1 is the quirk wall elevational schematic view of a kind of building wall of flame channel of anode baking furnace structure of the present invention.
Fig. 2 is the quirk wall plan cross-section schematic diagram of a kind of building wall of flame channel of anode baking furnace structure of the present invention.
Fig. 3 is the quirk wall special form brick elevational schematic view of a kind of building wall of flame channel of anode baking furnace structure of the present invention.
Fig. 4 is the quirk wall special form brick plan cross-section schematic diagram of a kind of building wall of flame channel of anode baking furnace structure of the present invention
Fig. 5 is the embedding wedge syndeton elevational schematic view of the adjacent quirk special form brick and the spline type plug of a kind of building wall of flame channel of anode baking furnace structure of the present invention.
Fig. 6 is the adjacent quirk special form brick of a kind of building wall of flame channel of anode baking furnace structure of the present invention and the embedding wedge syndeton plan cross-section schematic diagram of spline type plug.
Among the figure, 1, the quirk special form brick; 2, spline type plug; 3, " Φ " shape or " in " the shape brickwork joint; 4, end recesses; 5, plug spline.
The specific embodiment
Below embodiments of the invention are described in detail in conjunction with the accompanying drawings, but protection scope of the present invention is not limit by embodiment.
As shown in the figure, a kind of method for building wall of flame channel of anode baking furnace of the present invention, it is successively to be built by laying bricks or stones and formed by quirk wall abnormal shape 1, spline type plug 2, the structure of this quirk wall abnormal shape 1 is that the upper surface is provided with boss, the lower surface is provided with groove, the mother-son mouth occlusion structure of levels brick was equipped with end recesses 4 at the two ends, the left and right sides of quirk wall special form brick when boss and groove conduct were built by laying bricks or stones; When the quirk wall is built by laying bricks or stones, after the end face of its adjacent different shaped brick body adopts the butt joint of refractory wass bonding, two end recesses 4 be combined into " Φ " shape or " in " shape brickwork joint 3; Again with spline type plug 2 libation at an ancient wedding ceremonys or spread refractory wass, insert " Φ " shape or " in " in the shape brickwork joint 3; On the set plug spline 5, hang thicker mud layer behind the libation at an ancient wedding ceremony slurry on the spline type plug 2, a large amount of mud squeeze outward in the time of can preventing to insert, this embedding wedge syndeton that is full of refractory wass, behind high temperature sintering, just formed whole quirk wall, reach the purpose that improves quirk wall bulk strength.
The spline type plug can adopt libation at an ancient wedding ceremony slurry method hanging mud during construction, also can adopt to smear the slurry method and hang mud.
The brick body of above-mentioned quirk wall special form brick is a ventilative body of refractory material that is provided with the fugitive constituent passage equably.
When above-mentioned levels quirk wall special form brick is repeatedly built, refractory wass to be made, when adjacent quirk wall special form brick butt joint is built by laying bricks or stones, refractory wass will be made on the plane of butt joint at its contact-making surface.
Above-mentioned " Φ " shape or " in " shape brickwork joint middle part is provided with hole.Described hole cross sectional shape can be circular, also can be the trapezoidal of ellipse, prismatic or two butt joints, and described hole section radius or size dimension scope are 5～60mm.
The peripheral gabarit shape of above-mentioned spline type plug should with " Φ " shape or " in " the hole cross sectional shape at shape brickwork joint middle part is complementary, its short transverse is provided with the plug spline in upper edge, spline type mandrel outer surface, the quantitative range of spline is 2～10.Plug spline cross sectional shape is a circular arc or " [" shape, the depth dimensions scope of spline is 2～20mm.The length dimension scope of spline type plug is 80～600mm.The spline type plug can be prefabricated into the length that is complementary with quirk special form brick height, also can build the length that on-site cutting becomes and quirk special form brick height is complementary by laying bricks or stones.
Claims (9)
1, a kind of method for building wall of flame channel of anode baking furnace, it is characterized in that it is successively to be built by laying bricks or stones by quirk wall special form brick (1) and spline type plug (2) to form, the structure of this quirk wall special form brick (1) is that the upper surface is provided with boss, the lower surface is provided with groove, the mother-son mouth occlusion structure of levels brick was equipped with end recesses (4) at the two ends, the left and right sides of quirk wall special form brick (1) when boss and groove conduct were built by laying bricks or stones; When building by laying bricks or stones, after adjacent two blocks of quirk wall special form bricks (1) butt joint, its joint form " Φ " shape or " in " the shape brickwork joint, adopt simultaneously a cross sectional shape and " Φ " shape or " in " the spline type plug libation at an ancient wedding ceremony (2) that is complementary of shape brickwork joint (3) or spread refractory wass, insert from the top of Φ shape brickwork joint, form the embedding wedge syndeton of adjacent quirk special form brick (1), whole quirk wall all is connected with this method with layer special form brick, builds by laying bricks or stones according to a conventional method between the adjacent different shaped brick layer.
2, method for building wall of flame channel of anode baking furnace according to claim 1, the brick body that it is characterized in that described quirk wall special form brick (1) are ventilative bodies of refractory material that is provided with the fugitive constituent passage equably.
3, method for building wall of flame channel of anode baking furnace according to claim 1, when it is characterized in that described levels quirk wall special form brick is repeatedly built, refractory wass to be made at its contact-making surface, when adjacent quirk wall special form brick butt joint is built by laying bricks or stones, refractory wass will be made on the plane of butt joint.
4, method for building wall of flame channel of anode baking furnace according to claim 1, it is characterized in that described " Φ " shape or " in " shape brickwork joint (3) middle part is provided with hole.
5, method for building wall of flame channel of anode baking furnace according to claim 4, it is characterized in that described hole cross sectional shape, can be circular, also can be the trapezoidal of ellipse, prismatic or two butt joints, and described hole section radius or size dimension scope are 5～60mm.
6, method for building wall of flame channel of anode baking furnace according to claim 1, it is characterized in that described spline type plug (2) peripheral gabarit shape should with " Φ " shape or " in " the hole cross sectional shape at shape brickwork joint (3) middle part is complementary, its short transverse is provided with plug spline (5) in spline type plug (2) outer surface upper edge, and the quantitative range of spline is 2～10.
7, method for building wall of flame channel of anode baking furnace according to claim 6, the cross sectional shape that it is characterized in that described plug spline (5) are circular arc or " [" shape, the depth dimensions scope of spline is 2～20mm.
8, method for building wall of flame channel of anode baking furnace according to claim 6, the length dimension scope that it is characterized in that described spline type plug (5) is 80～600mm.
9, according to claim 1 or 6 described method for building wall of flame channel of anode baking furnace, it is characterized in that described spline type plug (5) can be prefabricated into the length that is complementary with quirk special form brick height, also can build the length that on-site cutting becomes and quirk special form brick height is complementary by laying bricks or stones.
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| Application Number | Priority Date | Filing Date | Title |
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| CN200810013134A CN101672575A (en) | 2008-09-09 | 2008-09-09 | Method for building wall of flame channel of anode baking furnace |
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| CN200810013134A CN101672575A (en) | 2008-09-09 | 2008-09-09 | Method for building wall of flame channel of anode baking furnace |
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| CN200810013134A Pending CN101672575A (en) | 2008-09-09 | 2008-09-09 | Method for building wall of flame channel of anode baking furnace |
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101907399A (en) * | 2010-09-02 | 2010-12-08 | 河南鑫诚耐火材料股份有限公司 | Fireproof prefabricated flame path wall for carbon roasting furnace material box |
| CN102322740A (en) * | 2011-08-04 | 2012-01-18 | 首钢长治钢铁有限公司 | Special-shaped prefabricated member of furnace top in heating furnace |
| CN102538467A (en) * | 2010-12-16 | 2012-07-04 | 贵阳铝镁设计研究院有限公司 | Method for manufacturing gas well of cathode baking furnace and structure thereof |
-
2008
- 2008-09-09 CN CN200810013134A patent/CN101672575A/en active Pending
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101907399A (en) * | 2010-09-02 | 2010-12-08 | 河南鑫诚耐火材料股份有限公司 | Fireproof prefabricated flame path wall for carbon roasting furnace material box |
| CN102538467A (en) * | 2010-12-16 | 2012-07-04 | 贵阳铝镁设计研究院有限公司 | Method for manufacturing gas well of cathode baking furnace and structure thereof |
| CN102322740A (en) * | 2011-08-04 | 2012-01-18 | 首钢长治钢铁有限公司 | Special-shaped prefabricated member of furnace top in heating furnace |
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Open date: 20100317 |