CN101498011B - Bottom cooling apparatus and method for anode calcination furnace - Google Patents
Bottom cooling apparatus and method for anode calcination furnace Download PDFInfo
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- CN101498011B CN101498011B CN2008100102758A CN200810010275A CN101498011B CN 101498011 B CN101498011 B CN 101498011B CN 2008100102758 A CN2008100102758 A CN 2008100102758A CN 200810010275 A CN200810010275 A CN 200810010275A CN 101498011 B CN101498011 B CN 101498011B
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- anode
- baking furnace
- furnace bottom
- refrigerating unit
- furnace
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02P—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION OR PROCESSING OF GOODS
- Y02P10/00—Technologies related to metal processing
- Y02P10/25—Process efficiency
Abstract
The invention discloses an anode baking furnace in the carbon production field, in particular relates to an anode baking furnace bottom cooling device and an anode baking furnace bottom cooling method. The anode baking furnace bottom cooling device is characterized in that cooling passage openings are respectively arranged at both ends of an anode baking furnace body, a cooling device is arranged in either cooling passage opening, and a furnace bottom cooling passage connected with the cooling passage openings is arranged below the anode baking furnace body. The invention can effectively lower the surface temperature of an anode baking furnace bottom, maintains the strength of a basal structure, further avoids structural damage to the furnace body, decreases the consumption of fireproof and heat-insulating material at the furnace bottom, reduces the manufacture cost of the anode baking furnace and lessens stored heat loss at the furnace bottom while increasing the warming speed of the furnace, having obvious energy-saving effect, increasing the cooling temperature of a cooling furnace chamber and obviously improving the discharge operation conditions. Gas circulation in a furnace bottom cooling process generates hot furnace bottom effect to the furnace bottom and is favorable to improve the compliance of the actual temperature of the furnace with a set baking curve.
Description
Technical field
The present invention relates to the anode-baking furnace of the plain production field of charcoal, particularly relate to a kind of anode-baking furnace bottom cooler and method.
Background technology
Anode-baking furnace because its roasting curve is long, maturing temperature is high, needs to consume a large amount of heats in process of production.Because the heat transfer by conduction effect of furnace bottom, furnace bottom basis upper surface temperature is easy to exceed code requirement.
Existing anode-baking furnace, cause furnace construction destruction because furnace bottom basis upper surface temperature is too high in order to prevent, generally all furnace bottom is designed to very thick solid construction, but this measure has increased the heat storage capacity of stove masonry again, for this typical periodicity stove of anode-baking furnace, the calorific loss that accumulation of heat brings is very considerable.Simultaneously, also because stove cycle operation all the year round, take on the mechanical impact that furnace operating brings, the effect of alternating thermal stress etc., all can cause the heat-proof quality of furnace bottom thermal insulation layer constantly to descend, cause furnace bottom surface of base temperature to exceed code requirement, bring fatal infringement work-ing life for stove.Because the limitation of bottom construction can't be taked effective cooling provision to the furnace bottom surface of base.The shortcoming of this bottom construction is: 1, the furnace bottom surface of base does not have cooling provision, causes temperature too high, easily cause high temperature to destroy to foundation structure, and then the antianode stoving oven causes structural destruction; 2, masonry of well will expend a large amount of refractory materialss and lagging material, has improved cost of stove; 3, the huge furnace hearth material amount of building by laying bricks or stones has obviously increased the accumulation of heat loss of anode-baking furnace, has improved the energy consumption that anode-baking is produced; 4, for heating in the flame system and preheating furnace chamber, the furnace bottom accumulation of heat has caused its thermal lag big, has obviously delayed heat-up rate, has caused the further waste of the energy; 5, be over, leave the cooling furnace chamber of flame system for heating, thermal lag can make its furnace bottom heat-sinking capability descend greatly, obviously delayed speed of cooling, this furnaceman that takes on that will directly worsen the operator makes condition, perhaps force the planner to increase the furnace chamber setting, improved the anode-baking furnace cost; 6, in sum, the disappearance of this bottom construction and cooling provision causes anode-baking furnace bottom temperature state to be disagreed with rational technology fully.
Summary of the invention
The present invention be exactly to provide in order to solve the problems of the technologies described above a kind of anode-baking furnace bottom cooler and method, purpose be solve that existing anode-baking furnace furnace bottom accumulation of heat loss is big, furnace bottom surface of base temperature height, the stove thermal lag is big, heat-up rate is slow, speed of cooling is slow, energy consumption is big problem.
Be achieved in that a kind of anode-baking furnace furnace bottom method of cooling for reaching above-mentioned purpose the present invention, comprise the steps: that flame system in the anode-baking furnace body is in the operation of stove medullary ray the same side with stride the operation of stove medullary ray, be located at the first refrigerating unit work of cooling channel mouth when flame system is operated in stove medullary ray the same side, second refrigerating unit stops; Be located at the second refrigerating unit work of cooling channel mouth when flame system is striden the operation of stove medullary ray, first refrigerating unit quits work.
A kind of anode-baking furnace bottom cooler, comprise anode-baking furnace body, stove medullary ray, be provided with the cooling channel mouth at the two ends of anode-baking furnace body, be provided with refrigerating unit in the mouth of cooling channel, the below of anode-baking furnace body is provided with the furnace bottom cooling channel that is connected with the cooling channel mouth.
The quantitative range of described furnace bottom cooling channel is 8～100.
Described furnace bottom cooling channel cross-sectional shape is a rectangle, and its size dimension scope is 50～500mm.
Be provided with flexible heat resistance fiber material between described cooling channel mouth and the refrigerating unit as sealing material.
Described refrigerating unit is two, is first refrigerating unit and second refrigerating unit.
Heated oven chamber and preheating oven number of chambers weight range are 1～5 in the flame system in the described anode-baking furnace body.
The cool furnace number of chambers weight range of the outer upstream end of a flame system in the described anode-baking furnace body is 1～5.
The present invention has the following advantages:
1, can effectively reduce anode-baking furnace furnace bottom surface temperature, protect basic structural strength, and then avoid structural destruction body of heater.
2, reduce furnace bottom flame-proof thermal insulation material consumption, save anode-baking furnace masonry cost.
3, reduce furnace bottom accumulation of heat loss, can accelerate the heat-up rate of stove simultaneously, have remarkable energy saving effect.
4, can accelerate to cool off the speed of cooling of furnace chamber, obviously improve the furnace operating condition that takes on.
5, the gas communication of furnace bottom cooling process produces " hot furnace bottom " effect to furnace bottom, helps improving the stove actual temperature to setting the accordance of roasting curve.
6, institute's employing method refrigerating unit economical and practical, that adopted is simple in structure, easy to implement.
Description of drawings
Fig. 1 is that flame system of the present invention is in stove medullary ray the same side structural representation in when operation.
Fig. 2 is that flame system of the present invention is striden the stove medullary ray structural representation in when operation.
Fig. 3 is the structural representation that the present invention implements on anode-baking furnace.
Among the figure, 1, the anode-baking furnace body; 2, cooling channel mouth; 3, furnace bottom cooling channel; 4, first refrigerating unit; 5, second refrigerating unit; 6, heated oven chamber; 7, preheating furnace chamber; 8, cooling furnace chamber; 9, stove medullary ray.
Embodiment
Below the invention will be further described for the description by embodiment, but protection scope of the present invention is not limit by embodiment.Those skilled in the art can make various modifications or improvement according to basic thought of the present invention, but only otherwise break away from basic thought of the present invention, all within the scope of the present invention.
As Fig. 1, Fig. 2 and shown in Figure 3, be the operating structure synoptic diagram of two flame systems of anode-baking furnace bottom cooler, the direction of arrow among the figure is the flame system traffic direction.Anode-baking furnace bottom cooler of the present invention, comprise anode-baking furnace body 1, stove medullary ray 9, be provided with cooling channel mouth 2 at the two ends of anode-baking furnace body 1, be provided with two refrigerating units in the cooling channel mouth 2, first refrigerating unit 4 and second refrigerating unit 5, first refrigerating unit 4 is located at the anode-baking furnace upper right corner and the lower left corner, second refrigerating unit 5 is located at the anode-baking furnace upper left corner and the lower right corner, the below of anode-baking furnace body 1 is provided with the furnace bottom cooling channel 3 that is connected with cooling channel mouth 2, antianode stoving oven furnace bottom implements to bleed cooling, the quantitative range of furnace bottom cooling channel 3 is 8～100, furnace bottom cooling channel 3 cross-sectional shapes are rectangle, and its size dimension scope is 50～500mm; Be provided with flexible heat resistance fiber material between cooling channel mouth 2 and the refrigerating unit as sealing material; Heated oven chamber 6 and preheating furnace chamber 7 quantitative ranges are 1～5 in the flame system in the anode-baking furnace body 1, cooling furnace chamber 8 quantitative ranges of the outer upstream end of a flame system in the anode-baking furnace body 1 are 1～5, present embodiment is three heated oven chamber 6,7, two coolings of three preheating furnace chambers furnace chamber 8.
A kind of anode-baking furnace furnace bottom method of cooling, comprise the steps: that a flame system in the anode-baking furnace body is in the operation of stove medullary ray the same side with stride the operation of stove medullary ray, be located at the first refrigerating unit work of cooling channel mouth when flame system is operated in stove medullary ray the same side, second refrigerating unit stops; Stride stove medullary ray operation when flame system and comprise the second refrigerating unit work that is located at the cooling channel mouth when having only a furnace chamber to stride across the stove medullary ray, first refrigerating unit quits work; First refrigerating unit 4 and second refrigerating unit 5 are alternately opened, and keep the process of cooling of furnace bottom continuously.Anode-baking furnace furnace bottom method of cooling, the opening sequence that also comprises refrigerating unit, it is divided into furnace bottom cooling draught direction along system's traffic direction and inverse system traffic direction, during along system's traffic direction operation, flow of flue gas direction in cooling draught direction and the stove flame system is consistent, in inverse system traffic direction when operation,, the interior flow of flue gas direction of cooling draught direction and stove flame system is opposite.
Adopt after the method for the present invention, can not only overcome the above-mentioned shortcoming of existing anode-baking, heating can also be over, leave the furnace chamber furnace bottom transfer of heat that belongs to flame system originally and enter the state of cooling to heating or the furnace bottom of preheating furnace chamber, effectively improve the thermo-efficiency of anode-baking furnace.Distribute from the bottom temperature of whole anode-baking furnace, what produced is a kind of " hot furnace bottom " effect, has reached the purpose that overcomes its thermal lag, improves its thermo-sensitivity.
In described each refrigerating unit several exhaust blowers are installed, the cooling channel mouth of can packing into during installation keeps concordant with boiler face, also can be higher than boiler face.Exhaust blower in the refrigerating unit, the little flexible operation of volume.Its separate unit power is that 2～5KW, exhaust air rate are 30000～50000m
3/ h.
Claims (7)
1. anode-baking furnace furnace bottom method of cooling, it is characterized in that comprising the steps: that flame system in the anode-baking furnace body is in the operation of stove medullary ray the same side or stride the operation of stove medullary ray, be located at the first refrigerating unit work of cooling channel mouth when flame system is operated in stove medullary ray the same side, second refrigerating unit stops; When striding the operation of stove medullary ray, flame system is located at the second refrigerating unit work of cooling channel mouth, first refrigerating unit quits work, first refrigerating unit is located at the anode-baking furnace upper right corner and the lower left corner, and second refrigerating unit is located at the anode-baking furnace upper left corner and the lower right corner.
2. anode-baking furnace bottom cooler, comprise anode-baking furnace body, stove medullary ray, it is characterized in that being provided with the cooling channel mouth at the two ends of anode-baking furnace body, be provided with refrigerating unit in the mouth of cooling channel, the below of anode-baking furnace body is provided with the furnace bottom cooling channel that is connected with the cooling channel mouth; Described refrigerating unit is two, first refrigerating unit and second refrigerating unit, and first refrigerating unit is located at the anode-baking furnace upper right corner and the lower left corner, and second refrigerating unit is located at the anode-baking furnace upper left corner and the lower right corner.
3. anode-baking furnace bottom cooler according to claim 2, the quantitative range that it is characterized in that described furnace bottom cooling channel is 8～100.
4. anode-baking furnace bottom cooler according to claim 3 is characterized in that described furnace bottom cooling channel cross-sectional shape is a rectangle, and its size dimension scope is 50～500mm.
5. anode-baking furnace bottom cooler according to claim 2 is characterized in that being provided with between described cooling channel mouth and the refrigerating unit flexible heat resistance fiber material as sealing material.
6. anode-baking furnace bottom cooler according to claim 2 is characterized in that heated oven chamber and preheating oven number of chambers weight range are 1～5 in the flame system in the described anode-baking furnace body.
7. anode-baking furnace bottom cooler according to claim 2 is characterized in that the cool furnace number of chambers weight range of the outer upstream end of a flame system in the described anode-baking furnace body is 1～5.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2008100102758A CN101498011B (en) | 2008-01-29 | 2008-01-29 | Bottom cooling apparatus and method for anode calcination furnace |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2008100102758A CN101498011B (en) | 2008-01-29 | 2008-01-29 | Bottom cooling apparatus and method for anode calcination furnace |
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| Publication Number | Publication Date |
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| CN101498011A CN101498011A (en) | 2009-08-05 |
| CN101498011B true CN101498011B (en) | 2010-09-01 |
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| CN2008100102758A Expired - Fee Related CN101498011B (en) | 2008-01-29 | 2008-01-29 | Bottom cooling apparatus and method for anode calcination furnace |
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Families Citing this family (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103436918B (en) * | 2013-08-30 | 2016-08-10 | 沈阳银海机械设备制造有限公司 | Green anode carbon block passive energy-saving water-cooling system |
| CN104152946B (en) * | 2014-08-28 | 2016-04-27 | 济南万方炭素有限责任公司 | The timely refrigerating unit of the raw block of a kind of prebaked anode |
| CN108278898A (en) * | 2018-03-20 | 2018-07-13 | 中铝国际工程股份有限公司 | A kind of open type cathode baking furnace furnace bottom |
Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
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| US4215982A (en) * | 1976-05-05 | 1980-08-05 | Elettrocarbonium S.P.A. | Continuous ring furnaces for baking and rebaking carbon articles |
| EP0019425A1 (en) * | 1979-05-17 | 1980-11-26 | Alcan Research And Development Limited | Process for baking carbon electrodes |
| CN85108871A (en) * | 1985-12-05 | 1987-05-20 | 龙怀安 | The S type is worn fork kiln and S type crossling operation method |
| CN2581923Y (en) * | 2002-12-06 | 2003-10-22 | 湖南丰业科技有限责任公司 | Indirect cooling structure for air kiln outlet mouth |
| CN101122443A (en) * | 2007-09-13 | 2008-02-13 | 河北长城长电极有限公司 | Environment-friendly type energy-saving electrode roasting furnace and its baked asphalt smoke processing method |
| CN201313943Y (en) * | 2008-12-03 | 2009-09-23 | 沈阳铝镁设计研究院 | Furnace bottom cooling device |
-
2008
- 2008-01-29 CN CN2008100102758A patent/CN101498011B/en not_active Expired - Fee Related
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4215982A (en) * | 1976-05-05 | 1980-08-05 | Elettrocarbonium S.P.A. | Continuous ring furnaces for baking and rebaking carbon articles |
| EP0019425A1 (en) * | 1979-05-17 | 1980-11-26 | Alcan Research And Development Limited | Process for baking carbon electrodes |
| CN85108871A (en) * | 1985-12-05 | 1987-05-20 | 龙怀安 | The S type is worn fork kiln and S type crossling operation method |
| CN2581923Y (en) * | 2002-12-06 | 2003-10-22 | 湖南丰业科技有限责任公司 | Indirect cooling structure for air kiln outlet mouth |
| CN101122443A (en) * | 2007-09-13 | 2008-02-13 | 河北长城长电极有限公司 | Environment-friendly type energy-saving electrode roasting furnace and its baked asphalt smoke processing method |
| CN201313943Y (en) * | 2008-12-03 | 2009-09-23 | 沈阳铝镁设计研究院 | Furnace bottom cooling device |
Non-Patent Citations (2)
| Title |
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| 炼铁设计参考资料编写组.炉体冷却.炼铁设计参考资料.冶金工业出版社,1975,197-199. * |
| 王平甫等.炭阳极生坯焙烧.铝电解炭阳极生产与应用.冶金工业出版社,2005,148-155. * |
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Owner name: SHENYANG ALUMINUM + MAGNESIUM ENGINEERING + RESEAR Free format text: FORMER NAME: SHENYANG ALUMINIUM AND MAGNESIUM DESIGN INST. |
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Address after: 110001 Heping Street, Heping District, Liaoning, Shenyang, No. 184 Patentee after: Shenyang Aluminum & Magnesium Engineering & Research Institute Co., Ltd. Address before: 110001 Heping Street, Heping District, Liaoning, Shenyang, No. 184 Patentee before: Shenyang Aluminium and Magnesium Design Institute |
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Owner name: JI NAN LONGSHAN CARBON CO., LTD. Free format text: FORMER OWNER: SHENYANG ALUMINUM + MAGNESIUM ENGINEERING + RESEARCH INSTITUTE Effective date: 20111008 |
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Effective date of registration: 20111008 Address after: 250403, Shandong, Ji'nan province Pingyin County Village Town Station Patentee after: Jinan Longshan Carbon Co.,Ltd. Address before: 110001 Heping Street, Heping District, Liaoning, Shenyang, No. 184 Patentee before: Shenyang Aluminum & Magnesium Engineering & Research Institute Co., Ltd. |
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Granted publication date: 20100901 Termination date: 20140129 |