CN104596288B - A kind of connection quirk of carbon element anode roasting furnace - Google Patents
A kind of connection quirk of carbon element anode roasting furnace Download PDFInfo
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- CN104596288B CN104596288B CN201510051570.8A CN201510051570A CN104596288B CN 104596288 B CN104596288 B CN 104596288B CN 201510051570 A CN201510051570 A CN 201510051570A CN 104596288 B CN104596288 B CN 104596288B
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Abstract
The invention discloses a kind of connection quirk, particularly relate to a kind of connection quirk <b> of carbon element anode roasting furnace, </b> it belong to electrolgtic aluminium prebaked anode roaster furnace be communicated with flame path structure.A kind of connection quirk of carbon element anode roasting furnace, its concrete structure is as follows: outside the cross wall of end, be provided with furnace shell, between furnace shell and end cross wall, ecto-entad has the second heat-insulation layer, the first heat-insulation layer, flame retardant coating, cavity body in successively arranging, furnace shell, the second heat-insulation layer, the first heat-insulation layer, flame retardant coating, the sectional area of cavity body vertically from center to two ends reduce gradually, the upper end of flame retardant coating, cavity body is provided with top pouring material block, be prefabricated with hanger brick in the pouring material block of top, hanger brick is suspended on girder steel by suspender member.It solve that the heat that each bar quirk obtains does not wait, a large amount of thermal waste, technical problem that brickwork cost is high, also shorten the length of roaster simultaneously.
Description
Technical field
The present invention relates to a kind of connection quirk, particularly relate to the connection quirk of the carbon element anode roasting furnace in a kind of aluminium anode production field
,it is for jointed anode roaster two grate furnace room, thus realizes the continuous circulation running of stove.
Background technology
It is adopt the accumbency metallic cylinder arranging two hollow cylinders at the outer two ends of the body of heater of anode-baking furnace that traditional roaster is communicated with quirk, the side of cylinder outer wall is connected with the quirk in the furnace chamber of roaster end by Zhi Huodao, and metallic cylinder and Zhi Huodao inwall build flame-proof thermal insulation material by laying bricks or stones.The shortcoming of this connection quirk is: 1, because column type is communicated with the axial sectional area equal and opposite in direction everywhere of quirk, cause high-temperature flue gas from roaster side end upstream furnace chamber, after being communicated with quirk, each bar quirk of end side downstream furnace chamber cannot be distributed to uniformly, the heat that furnace chamber each bar quirk in downstream is obtained is not etc., cause same furnace chamber each bar quirk to have the obvious temperature difference, affect anode-baking quality; 2, because column type is communicated with quirk all in the outer end of roaster, be connected with roaster by Zhi Huodao, connection quirk and Zhi Huodao expose in atmosphere completely, cause a large amount of heat energy, are unfavorable for saving energy and reduce the cost; 3, column type is communicated with the Zhi Huodao of quirk and the junction of roaster, and box hat is easily out of shape because being heated, and can cause leaking out, reduction system negative pressure, cause high-temperature flue gas in movement system to pass through and be communicated with quirk, temperature is fallen larger, substantial deviation roasting technique curve, affects anode-baking quality; 4, column type is communicated with flame path structure complexity, and difficulty of construction is large, and greatly, brickwork cost is high for refractory material and rolled steel dosage.
Summary of the invention
The present invention is exactly to solve the problems of the technologies described above, and the connection quirk of a kind of carbon element anode roasting furnace proposed, it solve that the heat that each bar quirk obtains does not wait, a large amount of thermal waste, technical problem that brickwork cost is high, also shorten the length of roaster simultaneously.
In order to solve the problems of the technologies described above, the present invention is achieved through the following technical solutions:
A kind of connection quirk of carbon element anode roasting furnace, it is characterized in that concrete structure is as follows: outside the cross wall of end, be provided with furnace shell, between furnace shell and end cross wall, ecto-entad has the second heat-insulation layer, the first heat-insulation layer, flame retardant coating, cavity body in successively arranging, furnace shell, the second heat-insulation layer, the first heat-insulation layer, flame retardant coating, the sectional area of cavity body vertically from center to two ends reduce gradually, the upper end of flame retardant coating, cavity body is provided with top and builds the bed of material, top is built in the bed of material and is prefabricated with hanger brick, and hanger brick is suspended on girder steel by suspender member.
Above-mentioned girder steel is set up on furnace shell and end cross wall, establishes anchored brick in flame retardant coating, and anchored brick is connected with the built-in fitting be arranged in furnace shell by side suspension member.
The horizontal cross-section of above-mentioned furnace shell, the second heat-insulation layer, the first heat-insulation layer, flame retardant coating, cavity body is isosceles trapezoid.
The first above-mentioned heat-insulation layer is built by laying bricks or stones by light-weight refractory insulating brick to form, and the second heat-insulation layer 5 is made up of ceramic fiber blanket, and flame retardant coating is built by light weight castable refractory to form or fire resistant heat preserving brick masonry forms.
The thickness of above-mentioned end cross wall is 500-1000 millimeter.
Above-mentioned furnace shell is reinforced concrete structure.
It is built by laying bricks or stones by top pouring material block to form that the bed of material is built at above-mentioned top, all leaves dilatation joint between the pouring material block of top, fills ceramic fiber blanket in dilatation joint, uses lightening casting material to build in the groove of top pouring material block upper surface.
Above-mentioned top is built between the bed of material and end cross wall, top is built between the bed of material and flame retardant coating and all left dilatation joint, fills ceramic fiber blanket in dilatation joint,
Above-mentioned top is built bed of material upper berth and is established one deck ceramic fiber blanket.
Above-mentioned top is built the bed of material and is adopted castable one-piece casting to form.
Advantage of the present invention and effect as follows:
Owing to adopting above technical scheme, be communicated with quirk with existing cylindrical shape to compare, according to hydromechanical reducing principle, the cavity place flow velocity that high-temperature flue gas is narrowing can increase, be communicated with pressure uniform everywhere in quirk, make each bar quirk can distributing to opposite side furnace chamber from the high-temperature flue gas in the furnace chamber quirk of side equably, make the temperature of quirk, improve roasting quality.The inner side of this external concrete furnace shell is provided with anchored brick structure, is out of shape comes off to prevent flame retardant coating, is provided with hanger brick, prevents being communicated with quirk top and drop, improve the service life being communicated with quirk in the connection quirk top pouring bed of material.Improve sealing.
Accompanying drawing explanation
Fig. 1 is longitudinal sectional structure schematic diagram of the present invention.
Fig. 2 is that the A-A of Fig. 1 reduces structural representation to analysing and observe.
In figure, 1, furnace shell; 2, cavity body; 3, flame retardant coating; 4, the first heat-insulation layer; 5, the second heat-insulation layer; 6, built-in fitting; 7, side suspension member; 8, anchored brick; 9, top pouring material block; 10, hanger brick; 11, suspender member; 12, girder steel, 13, lightening casting material, 14, ceramic fiber blanket, 15, dilatation joint, 16, end cross wall, 17, end quirk.
Detailed description of the invention
Below in conjunction with embodiment, the present invention is described in further detail, but protection scope of the present invention not limit by embodiment.
embodiment 1
As depicted in figs. 1 and 2, the connection quirk of carbon element anode roasting furnace of the present invention, the end quirk 17 of roaster, end cross wall 16, its concrete structure is as follows: outside end cross wall 16, be provided with furnace shell 1, and furnace shell 1 is reinforced concrete structure, and between furnace shell 1 and end cross wall 16, ecto-entad is successively provided with the second heat-insulation layer 5, first heat-insulation layer 4, flame retardant coating 3, cavity body 2, furnace shell 1, second heat-insulation layer 5, first heat-insulation layer 4, flame retardant coating 3, the sectional area of cavity body 2 vertically from center to two ends reduces gradually, furnace shell 1, second heat-insulation layer 5, first heat-insulation layer 4, flame retardant coating 3, the horizontal cross-section of cavity body 2 is isosceles trapezoid, flame retardant coating 3, the upper end of cavity body 2 is provided with top and builds the bed of material, and it is built by laying bricks or stones by top pouring material block 9 to form, between top pouring material block 9 that the bed of material is built at top, top is built between the bed of material and end cross wall 16, top is built between the bed of material and flame retardant coating 3 and is all left dilatation joint 15, ceramic fiber blanket is filled in dilatation joint 15, lightening casting material 13 is used to build in the groove of top pouring material block 9 upper surface, ceramic fiber blanket in dilatation joint 15 and all Packed effect of lightening casting material 9, top is built bed of material upper berth and is established one deck ceramic fiber blanket, top is built in the bed of material and is prefabricated with hanger brick 10, hanger brick 10 is suspended on girder steel 12 by suspender member 11, girder steel 12 is set up on furnace shell 1 and end cross wall 16, establish anchored brick 8 in flame retardant coating 3, anchored brick 8 is connected with the built-in fitting 6 be arranged in furnace shell 1 by side suspension member 7.The thickness of end cross wall 6 is 500 millimeters.
The first above-mentioned heat-insulation layer 4 is built by laying bricks or stones by light-weight refractory insulating brick to form, and the second heat-insulation layer 5 is made up of ceramic fiber blanket, and flame retardant coating 3 is built by light weight castable refractory to form or fire resistant heat preserving brick masonry forms.
embodiment 2
It is formed by castable one-piece casting that the bed of material is built at top described in embodiment 1, and the thickness of end cross wall 6 is 1000 millimeters.Other structure is identical with embodiment 1.
embodiment 3
The thickness of end cross wall 6 is 800 millimeters.Other structure is identical with embodiment 1.
Operation principle of the present invention is as follows:
Be communicated with quirk with existing cylindrical shape to compare, the present invention is according to hydromechanical reducing principle, the cavity place flow velocity that high-temperature flue gas is narrowing can increase, be communicated with pressure uniform everywhere in quirk, make each bar quirk can distributing to opposite side furnace chamber from the high-temperature flue gas in the furnace chamber quirk of side uniformly, make the temperature of quirk, improve roasting quality.The inner side of this external furnace shell is provided with anchored brick structure, is out of shape comes off to prevent flame retardant coating, is provided with hanger brick, prevents being communicated with quirk top and drop, improve the service life being communicated with quirk in the connection quirk top pouring bed of material.
Claims (10)
1. the connection quirk of a carbon element anode roasting furnace, it is characterized in that concrete structure is as follows: outside the cross wall of end, be provided with furnace shell, between furnace shell and end cross wall, ecto-entad has the second heat-insulation layer, the first heat-insulation layer, flame retardant coating, cavity body in successively arranging, furnace shell, the second heat-insulation layer, the first heat-insulation layer, flame retardant coating, the sectional area of cavity body vertically from center to two ends reduce gradually, the upper end of flame retardant coating, cavity body is provided with top and builds the bed of material, top is built in the bed of material and is prefabricated with hanger brick, and hanger brick is suspended on girder steel by suspender member.
2. the connection quirk of a kind of carbon element anode roasting furnace according to claim 1, it is characterized in that described girder steel is set up on furnace shell and end cross wall, establish anchored brick in flame retardant coating, anchored brick is connected with the built-in fitting be arranged in furnace shell by side suspension member.
3. the connection quirk of a kind of carbon element anode roasting furnace according to claim 1, is characterized in that the horizontal cross-section of described furnace shell, the second heat-insulation layer, the first heat-insulation layer, flame retardant coating, cavity body is isosceles trapezoid.
4. the connection quirk of a kind of carbon element anode roasting furnace according to claim 1, it is characterized in that the first described heat-insulation layer is built by laying bricks or stones by light-weight refractory insulating brick to form, second heat-insulation layer is made up of ceramic fiber blanket, and flame retardant coating is built by light weight castable refractory to form or fire resistant heat preserving brick masonry forms.
5. the connection quirk of a kind of carbon element anode roasting furnace according to claim 1, is characterized in that the thickness of described end cross wall is 500-1000 millimeter.
6. the connection quirk of a kind of carbon element anode roasting furnace according to claim 1, is characterized in that described furnace shell is reinforced concrete structure.
7. the connection quirk of a kind of carbon element anode roasting furnace according to claim 1, it is characterized in that the bed of material is built at described top is built by laying bricks or stones by top pouring material block to form, all dilatation joint is left between the pouring material block of top, fill ceramic fiber blanket in dilatation joint, in the groove of top pouring material block upper surface, use lightening casting material to build.
8. the connection quirk of a kind of carbon element anode roasting furnace according to claim 1, is characterized in that described top is built between the bed of material and end cross wall, top is built between the bed of material and flame retardant coating and all left dilatation joint, fills ceramic fiber blanket in dilatation joint.
9. the connection quirk of a kind of carbon element anode roasting furnace according to claim 1,7 or 8, is characterized in that described top is built bed of material upper berth and established one deck ceramic fiber blanket.
10. the connection quirk of a kind of carbon element anode roasting furnace according to claim 1, is characterized in that described top is built the bed of material and adopted castable one-piece casting to form.
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Families Citing this family (3)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN105865207B (en) * | 2016-04-21 | 2018-02-27 | 中南大学 | A kind of top attemperator suitable for anode-baking furnace |
| CN106865525B (en) * | 2017-03-22 | 2019-02-22 | 沈阳铝镁设计研究院有限公司 | A kind of roaster connectivity structure |
| CN108895827A (en) * | 2018-05-31 | 2018-11-27 | 湖南省长宁炭素股份有限公司 | A kind of carbon calcination single-unit furnace |
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| CN203550584U (en) * | 2013-11-18 | 2014-04-16 | 沈阳创联炉窑技术有限公司 | Carbon roasting furnace side wall anchoring structure |
| CN203615749U (en) * | 2013-12-14 | 2014-05-28 | 中国铝业股份有限公司 | Connecting flame path of open-type ring type roasting furnace |
| CN204461079U (en) * | 2015-02-02 | 2015-07-08 | 沈阳创联炉窑技术有限公司 | A kind of connection quirk of carbon element anode roasting furnace |
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Patent Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN2414370Y (en) * | 2000-04-07 | 2001-01-10 | 武建国 | Open type double-layer loading gas-combustion carbon calcining furnace |
| RU2182286C2 (en) * | 2000-05-15 | 2002-05-10 | Побегалов Сергей Александрович | Hot-water boiler block |
| CN201196526Y (en) * | 2007-12-21 | 2009-02-18 | 东北大学设计研究院（有限公司） | Side wall anchoring device of carbon calcining furnace |
| CN203489667U (en) * | 2013-09-16 | 2014-03-19 | 刘明 | Top structure of communication flame path of open type annular roasting furnace |
| CN203550584U (en) * | 2013-11-18 | 2014-04-16 | 沈阳创联炉窑技术有限公司 | Carbon roasting furnace side wall anchoring structure |
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Inventor after: Zhao Jibiao Inventor after: Li Zhenguo Inventor after: Dong Xuan Inventor after: Zhang Yuanyuan Inventor after: Xu Lida Inventor after: Yang Zhisheng Inventor after: Zhang Yang Inventor before: Li Zhenguo Inventor before: Dong Xuan Inventor before: Zhang Yuanyuan Inventor before: Xu Lida Inventor before: Yang Zhisheng Inventor before: Zhang Yang Inventor before: Zhang Linghai |
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Address after: 110011 Shenyang Road, Shenhe District, Liaoning, Lane 6, No. 40, No. Patentee after: Shenyang Chuanglian Industrial Technology Co. Ltd. Address before: 110011 Shenyang Road, Shenhe District, Liaoning, Lane 6, No. 40, No. Patentee before: Shenyang Chuanglian Kiln Technology Co., Ltd. |