CN100348543C - Filler material for furnace of baking powder of charcoal - Google Patents
Filler material for furnace of baking powder of charcoal Download PDFInfo
- Publication number
- CN100348543C CN100348543C CNB2006100868927A CN200610086892A CN100348543C CN 100348543 C CN100348543 C CN 100348543C CN B2006100868927 A CNB2006100868927 A CN B2006100868927A CN 200610086892 A CN200610086892 A CN 200610086892A CN 100348543 C CN100348543 C CN 100348543C
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- baking
- anode
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- particle
- granules
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- 239000000463 material Substances 0.000 title claims abstract description 66
- 239000000945 filler Substances 0.000 title claims description 21
- 239000000843 powder Substances 0.000 title claims description 21
- 239000003610 charcoal Substances 0.000 title claims description 20
- 239000010881 fly ash Substances 0.000 claims abstract description 20
- 239000000571 coke Substances 0.000 claims abstract description 9
- 239000002245 particle Substances 0.000 claims description 56
- 238000012856 packing Methods 0.000 claims description 35
- 239000003818 cinder Substances 0.000 claims description 26
- 239000002006 petroleum coke Substances 0.000 claims description 17
- 238000005242 forging Methods 0.000 claims description 14
- 239000000203 mixture Substances 0.000 claims description 6
- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 abstract description 13
- 229910052799 carbon Inorganic materials 0.000 abstract description 13
- 238000011049 filling Methods 0.000 abstract description 12
- 230000003647 oxidation Effects 0.000 abstract description 8
- 238000007254 oxidation reaction Methods 0.000 abstract description 8
- 238000000034 method Methods 0.000 abstract description 6
- XAGFODPZIPBFFR-UHFFFAOYSA-N aluminium Chemical compound [Al] XAGFODPZIPBFFR-UHFFFAOYSA-N 0.000 abstract description 4
- 229910052782 aluminium Inorganic materials 0.000 abstract description 4
- 238000004519 manufacturing process Methods 0.000 abstract description 4
- 230000035699 permeability Effects 0.000 abstract description 4
- 239000008187 granular material Substances 0.000 abstract 9
- 239000011329 calcined coke Substances 0.000 abstract 2
- 238000002156 mixing Methods 0.000 description 7
- 238000002360 preparation method Methods 0.000 description 7
- 238000012216 screening Methods 0.000 description 7
- 238000010304 firing Methods 0.000 description 6
- 239000007789 gas Substances 0.000 description 6
- 238000001354 calcination Methods 0.000 description 5
- 238000005516 engineering process Methods 0.000 description 5
- 239000002994 raw material Substances 0.000 description 4
- UGFAIRIUMAVXCW-UHFFFAOYSA-N Carbon monoxide Chemical compound [O+]#[C-] UGFAIRIUMAVXCW-UHFFFAOYSA-N 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 238000005868 electrolysis reaction Methods 0.000 description 2
- 239000003546 flue gas Substances 0.000 description 2
- 238000010438 heat treatment Methods 0.000 description 2
- 208000019901 Anxiety disease Diseases 0.000 description 1
- 239000004411 aluminium Substances 0.000 description 1
- 230000036506 anxiety Effects 0.000 description 1
- 239000011305 binder pitch Substances 0.000 description 1
- 239000011230 binding agent Substances 0.000 description 1
- 239000003245 coal Substances 0.000 description 1
- 238000004939 coking Methods 0.000 description 1
- 238000013329 compounding Methods 0.000 description 1
- 230000007812 deficiency Effects 0.000 description 1
- 230000002950 deficient Effects 0.000 description 1
- 238000001035 drying Methods 0.000 description 1
- 239000000428 dust Substances 0.000 description 1
- 239000000446 fuel Substances 0.000 description 1
- 239000012535 impurity Substances 0.000 description 1
- 239000002440 industrial waste Substances 0.000 description 1
- 238000010298 pulverizing process Methods 0.000 description 1
- 239000007787 solid Substances 0.000 description 1
- 238000001179 sorption measurement Methods 0.000 description 1
- 238000009423 ventilation Methods 0.000 description 1
Abstract
The present invention relates to filling materials for a carbon baking furnace, particularly to the filling materials for the carbon baking furnace in the baking process of the production of carbon products for aluminum. The present invention is characterized in that the filling materials are made by flyash granules, calcined coke granules and anode baking crushed granules mixed with each other, wherein the granularity of the flyash granules is between 2 and 12mm, the granularity of the coke granules after baked is between 1 and 8mm, and the granularity of the anode baking crushed granules is between 0.5 and 6mm; the flyash granules take 1% to 50% of the total weight, anode baking crushed granules take 1% to 50% of the total weight, and the rest is the calcined coke granules. The strength, the air permeability and the heat transfer performance of the filling materials of the present invention can satisfy the requirements for baking carbon, and the filling materials can be directly used in furnaces. The strength, the air permeability and the heat transfer performance of the filling materials of the present invention can satisfy the requirements for baking the carbon, and the filling materials can be directly used in furnaces; the oxidation loss of the filling materials is low, which effectively reduces baking cost.
Description
Technical field
A kind of filler material for furnace of baking powder of charcoal relates to the filler material for furnace of baking powder of charcoal of aluminium with the roasting process of carbon product production.
Background technology
Carbon cathode and anode are the main raw material(s)s of Aluminum Electrolysis Production, and carbon cathode and anode need could satisfy the requirement of aluminum electrolysis technology through roasting.Roasting is meant that in particular environment the plain raw product of charcoal being carried out indirect heating handles, and makes binder decomposed, volatile matter in the raw product get rid of, progressively realize coking, forms the C-C network structure, thereby improves the physicochemical property of goods.For preventing the main component generation oxidation of the plain raw product of under hot conditions charcoal, raw product is an indirect heating under the condition at secluding air under the encirclement of packing material during roasting.Packing material also can play support, the fixedly effect of raw product in the roasting process, prevents because temperature raises, softening raw product distortion, the arrisdefect that causes of binder pitch, fall defective such as piece.Because the singularity of calcining carbon requires used packing material that certain intensity, air permeability and good and heat transfer property should be arranged.The most frequently used packing material of calcining carbon is an after-smithing petroleum coke at present.Because calcining carbon at high temperature carries out, about 1200 ℃ of top temperatures, therefore unavoidably cause the burnt oxidational losses of filling, anode-baking is generally 10～20kg/tC with filling burnt oxidational losses, and the oxidational losses of filling Jiao in the negative electrode roasting process is even more serious.Filling burnt oxidational losses has not only increased the anode and cathode production cost, has also wasted the high-quality petroleum coke resource, and along with the anxiety of refinery coke supply and the rise of price, this problem is particularly outstanding.
Summary of the invention
The present invention is exactly for solving the deficiency that above-mentioned prior art exists, provide that a kind of preparation technology's flow process is short, easy to operate, raw material sources are wide, preparation cost is low, the packing material of preparation can satisfy the requirement of calcining carbon, the filler material for furnace of baking powder of charcoal that oxidational losses is low well.
The objective of the invention is to be achieved through the following technical solutions.
A kind of filler material for furnace of baking powder of charcoal is characterized in that this packing material is that fly ash grain, the granularity of 2～12mm is that the forging burnt particle in back and the granularity of 1～8mm is that the broken particle of anode-baking of 0.5～6mm mixes by granularity; Wherein flyash accounts for 1%～50% of gross weight, and the broken particle of anode-baking accounts for 1%～50% of gross weight, and surplus is burnt for forging the back.
A kind of filler material for furnace of baking powder of charcoal of the present invention is characterized in that particles used shape flyash is boiler cinder, producer gas generator cinder or both mixtures.
A kind of filler material for furnace of baking powder of charcoal is characterized in that used to forge back Jiao be after-smithing petroleum coke, forge back metallurgical coke or both mixtures.
A kind of filler material for furnace of baking powder of charcoal preparation process of the present invention is with particulate state flyash drying, be crushed to below the 12mm, to sieve, get 2～12mm material standby; To forge afterwards, Jiao is crushed to below the 8mm, it is standby to sieve, get 1～8mm material; With the broken grain breakage of anode-baking to 6mm, to sieve, get 0.5～6mm material standby; The broken particle particle of anode-baking of forging the burnt particle in back and 0.5～6mm of the fly ash grain of 2～12mm of precrushing, 1～8mm prepare burden in proportion, pack into three-dimensional blender machine or other are had in the equipment of equal compounding effect, mixed 5～30min, obtain filler material for furnace of baking powder of charcoal, the intensity of this packing material, ventilation property and heat transfer property can satisfy the requirement of calcining carbon well, and directly shove charge is used.
A kind of filler material for furnace of baking powder of charcoal of the present invention has used broken particle of anode-baking and industrial waste flyash, greatly reduces packing material oxidational losses in use, has reduced the roasting cost.Packing material has made full use of particulate state flyash air permeability and good, heat transfer property and crystalline texture, particulate state flyash has certain adsorption to the tar in the baking flue gas in the use, helps reducing the aftertreatment of roasting fuel consumption and baking flue gas.Made full use of good intensity and the heat transfer property of the broken particle of anode-baking, this packing material life cycle is long, be difficult for pulverizing, dust is few when taking on stove.
Of the present invention with particulate state flyash, the broken particle of anode-baking with forge the filler material for furnace of baking powder of charcoal of the burnt preparation in back, preparation technology is easy, and technology is reliable, is easy to industrial implementation, raw material sources are wide, preparation cost is low, effectively utilized the broken particle of particulate state flyash and anode-baking.
Embodiment
A kind of filler material for furnace of baking powder of charcoal, this packing material are that fly ash grain, the granularity of 2～12mm is that the forging burnt particle in back and the granularity of 1～8mm is that the broken particle of anode-baking of 0.5～6mm mixes by granularity; Wherein flyash accounts for 1%～50% of gross weight, and the broken particle of anode-baking accounts for 1%～50% of gross weight, and surplus is burnt for forging the back.Particles used shape flyash is boiler cinder, producer gas generator cinder or both mixtures.Used to forge back Jiao be after-smithing petroleum coke, forge back metallurgical coke or both mixtures.
Jiao is raw material to filler material for furnace of baking powder of charcoal of the present invention with particulate state flyash, the broken particle of anode-baking with after forging, through precrushing, screening, batching, fully mixing is made filler material for furnace of baking powder of charcoal in mixer, this packing material can directly be packed into and be used in the stoving oven, oxidational losses is extremely low, effectively reduces the roasting cost.
Below in conjunction with example method of the present invention is described further.
Embodiment 1
With after-smithing petroleum coke, the broken particle of anode-baking and the precrushing of dried boiler cinder, screening, obtain the steam coal solid impurity particle of 2～12mm, the broken particle of anode-baking of 0.5～6mm and the after-smithing petroleum coke of 1～8mm; With cinder particle, the broken particle of anode-baking and the after-smithing petroleum coke particle weight ratio batching by 1: 50: 49, mixed 15min obtains filler material for furnace of baking powder in the three-dimensional blender machine of packing into.This packing material can be directly used in anode-baking furnace, and after 12 firing cycles were used in the laboratory, after measured, the ton goods oxidation consumption of this kind packing material was 3.7kg/tC, than having descended 75.3% with pure average oxidational losses of forging Jiaozhuo, back packing material.
Embodiment 2
With after-smithing petroleum coke, the broken particle of anode-baking and the precrushing of dried producer gas generator cinder, screening, obtain the producer gas generator cinder particle of 2～12mm, the broken particle of anode-baking of 0.5～6mm and the after-smithing petroleum coke of 1～8mm, with cinder particle, the broken particle of anode-baking and after-smithing petroleum coke particle weight ratio batching by 45: 30: 25, the mixed 20min in the three-dimensional blender machine that packs into obtains filler material for furnace of baking powder.This packing material can be directly used in anode-baking furnace, and after 12 firing cycles were used in the laboratory, after measured, the ton goods oxidation consumption of this kind packing material was 4.1kg/tC, than having descended 72.7% with pure average oxidational losses of forging Jiaozhuo, back packing material.
Embodiment 3
With after-smithing petroleum coke, the broken particle of anode-baking and the precrushing of dried mixing cinder, screening, obtain the mixing cinder particle of 2～12mm, the broken particle of anode-baking of 0.5～6mm and the after-smithing petroleum coke of 1～8mm, with cinder particle, the broken particle of anode-baking and after-smithing petroleum coke particle weight ratio batching by 30: 10: 60, the mixed 25min in the three-dimensional blender machine that packs into obtains filler material for furnace of baking powder.This packing material can be directly used in anode-baking furnace, use 12 firing cycles after, after measured, the ton goods oxidation consumption of this kind packing material is 4.9kg/tC, than forging afterwards with pure that the average oxidational losses of Jiaozhuo packing material has descended 67.3%.
Embodiment 4
To forge back metallurgical coke (or mixing burnt), the broken particle of anode-baking and dried boiler cinder (or producer gas generator cinder) precrushing, screening, what obtain the broken particle of anode-baking of cinder particle, 0.5～6mm of 2～12mm and 1～8mm forges the back metallurgical coke, with cinder particle, the broken particle of anode-baking and after-smithing petroleum coke particle weight ratio batching by 20: 1: 79, the mixed 20min in the three-dimensional blender machine that packs into obtains the roasting packing material.This packing material can be directly used in anode-baking furnace, use 12 firing cycles after, after measured, the ton goods oxidation consumption of this kind packing material is 6.3kg/tC, than forging afterwards with pure that the average oxidational losses of Jiaozhuo packing material has descended 58%.
Embodiment 5
To forge back metallurgical coke, the broken particle of anode-baking and the precrushing of dried mixing cinder, screening, what obtain the broken particle of anode-baking of mixing cinder particle, 0.5～6mm of 2～12mm and 1～8mm forges the back metallurgical coke, with cinder particle, the broken particle of anode-baking and after-smithing petroleum coke particle weight ratio batching by 40: 40: 20, the mixed 20min in the three-dimensional blender machine that packs into obtains the roasting packing material.This packing material can be directly used in anode-baking furnace, use 12 firing cycles after, after measured, the ton goods oxidation consumption of this kind packing material is 7.9kg/tC, than forging afterwards with pure that the average oxidational losses of Jiaozhuo packing material has descended 47.3%.
Embodiment 6
To forge back Jiao, the broken particle of anode-baking and dried boiler cinder (or producer gas generator cinder or mixing cinder) precrushing, screening, obtain the broken particle of anode-baking of cinder particle, 0.5～6mm of 2～12mm and 1～8mm to forge the back burnt, with cinder particle, the broken particle of anode-baking and after-smithing petroleum coke particle weight ratio batching by 40: 55: 5, the mixed 20min in the three-dimensional blender machine that packs into obtains the roasting packing material.This packing material can be directly used in anode-baking furnace, use 12 firing cycles after, after measured, the ton goods oxidation consumption of this kind packing material is 7.1kg/tC, than forging afterwards with pure that the average oxidational losses of Jiaozhuo packing material has descended 52.7%.
Claims (3)
1. filler material for furnace of baking powder of charcoal is characterized in that this packing material is that fly ash grain, the granularity of 2～12mm is that the forging burnt particle in back and the granularity of 1～8mm is that the broken particle of anode-baking of 0.5～6mm mixes by granularity; Wherein flyash accounts for 1%～50% of gross weight, and the broken particle of anode-baking accounts for 1%～50% of gross weight, and surplus is burnt for forging the back.
2. a kind of filler material for furnace of baking powder of charcoal according to claim 1 is characterized in that particles used shape flyash is boiler cinder, producer gas generator cinder or both mixtures.
3. a kind of filler material for furnace of baking powder of charcoal according to claim 1 is characterized in that used to forge back Jiao be after-smithing petroleum coke, forge back metallurgical coke or both mixtures.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNB2006100868927A CN100348543C (en) | 2006-06-22 | 2006-06-22 | Filler material for furnace of baking powder of charcoal |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNB2006100868927A CN100348543C (en) | 2006-06-22 | 2006-06-22 | Filler material for furnace of baking powder of charcoal |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN1872790A CN1872790A (en) | 2006-12-06 |
| CN100348543C true CN100348543C (en) | 2007-11-14 |
Family
ID=37483416
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CNB2006100868927A Active CN100348543C (en) | 2006-06-22 | 2006-06-22 | Filler material for furnace of baking powder of charcoal |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN100348543C (en) |
Families Citing this family (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101948319A (en) * | 2010-09-30 | 2011-01-19 | 湖南晟通科技集团有限公司 | Roasting filler |
| CN103738936A (en) * | 2013-12-18 | 2014-04-23 | 山西西姆东海炭素材料有限公司 | Carbon product roasting filler |
| CN104058386A (en) * | 2014-06-27 | 2014-09-24 | 中国铝业股份有限公司 | Filling material of carbon baking furnace and preparation method thereof |
Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2602329Y (en) * | 2003-02-27 | 2004-02-04 | 宁夏宁平炭素有限责任公司 | Box type carbon baking furnace |
| CN1493651A (en) * | 2002-10-28 | 2004-05-05 | 淄博联兴炭素有限公司 | Method of calcining petrol coke in pot type furnace to form after calcining coke using shaping method |
| CN1781615A (en) * | 2004-12-02 | 2006-06-07 | 张宝田 | Classified utilizing method for burned coke |
-
2006
- 2006-06-22 CN CNB2006100868927A patent/CN100348543C/en active Active
Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1493651A (en) * | 2002-10-28 | 2004-05-05 | 淄博联兴炭素有限公司 | Method of calcining petrol coke in pot type furnace to form after calcining coke using shaping method |
| CN2602329Y (en) * | 2003-02-27 | 2004-02-04 | 宁夏宁平炭素有限责任公司 | Box type carbon baking furnace |
| CN1781615A (en) * | 2004-12-02 | 2006-06-07 | 张宝田 | Classified utilizing method for burned coke |
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| Publication number | Publication date |
|---|---|
| CN1872790A (en) | 2006-12-06 |
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| C14 | Grant of patent or utility model | ||
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Effective date of registration: 20180523 Address after: 450041 No. 82, Jiyuan Road, Zhengzhou District, Henan Co-patentee after: Aluminum Corporation of China Limited Patentee after: Henan Hua Hui Nonferrous Engineering Design Co., Ltd. Address before: 100814 Beijing Haidian District Fuxing Road 12, China Aluminum Limited by Share Ltd Patentee before: Aluminum Corporation of China Limited |
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| TR01 | Transfer of patent right |