CN107739818A - A kind of cold press composite pellet and preparation method thereof - Google Patents
A kind of cold press composite pellet and preparation method thereof Download PDFInfo
- Publication number
- CN107739818A CN107739818A CN201710894334.1A CN201710894334A CN107739818A CN 107739818 A CN107739818 A CN 107739818A CN 201710894334 A CN201710894334 A CN 201710894334A CN 107739818 A CN107739818 A CN 107739818A
- Authority
- CN
- China
- Prior art keywords
- composite pellet
- cold press
- powder
- coke
- dust
- Prior art date
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- 239000002131 composite material Substances 0.000 title claims abstract description 39
- 239000008188 pellet Substances 0.000 title claims abstract description 38
- 238000002360 preparation method Methods 0.000 title claims abstract description 17
- 239000000843 powder Substances 0.000 claims abstract description 46
- PXHVJJICTQNCMI-UHFFFAOYSA-N Nickel Chemical compound [Ni] PXHVJJICTQNCMI-UHFFFAOYSA-N 0.000 claims abstract description 16
- 239000000571 coke Substances 0.000 claims abstract description 16
- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 claims abstract description 15
- VYZAMTAEIAYCRO-UHFFFAOYSA-N Chromium Chemical compound [Cr] VYZAMTAEIAYCRO-UHFFFAOYSA-N 0.000 claims abstract description 15
- 239000002994 raw material Substances 0.000 claims abstract description 15
- 229910052804 chromium Inorganic materials 0.000 claims abstract description 14
- 239000011651 chromium Substances 0.000 claims abstract description 14
- 239000003245 coal Substances 0.000 claims abstract description 11
- 238000004939 coking Methods 0.000 claims abstract description 11
- 238000000034 method Methods 0.000 claims abstract description 10
- 229910052759 nickel Inorganic materials 0.000 claims abstract description 8
- 239000011230 binding agent Substances 0.000 claims abstract description 5
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims abstract description 4
- PWHULOQIROXLJO-UHFFFAOYSA-N Manganese Chemical group [Mn] PWHULOQIROXLJO-UHFFFAOYSA-N 0.000 claims description 28
- 229910052748 manganese Inorganic materials 0.000 claims description 28
- 239000011572 manganese Substances 0.000 claims description 28
- 239000004568 cement Substances 0.000 claims description 9
- 229910000278 bentonite Inorganic materials 0.000 claims description 3
- 239000000440 bentonite Substances 0.000 claims description 3
- SVPXDRXYRYOSEX-UHFFFAOYSA-N bentoquatam Chemical compound O.O=[Si]=O.O=[Al]O[Al]=O SVPXDRXYRYOSEX-UHFFFAOYSA-N 0.000 claims description 3
- 229910052500 inorganic mineral Inorganic materials 0.000 claims description 3
- 239000011707 mineral Substances 0.000 claims description 3
- 229910001021 Ferroalloy Inorganic materials 0.000 abstract description 14
- 238000003723 Smelting Methods 0.000 abstract description 12
- 238000005453 pelletization Methods 0.000 abstract description 4
- WPBNNNQJVZRUHP-UHFFFAOYSA-L manganese(2+);methyl n-[[2-(methoxycarbonylcarbamothioylamino)phenyl]carbamothioyl]carbamate;n-[2-(sulfidocarbothioylamino)ethyl]carbamodithioate Chemical compound [Mn+2].[S-]C(=S)NCCNC([S-])=S.COC(=O)NC(=S)NC1=CC=CC=C1NC(=S)NC(=O)OC WPBNNNQJVZRUHP-UHFFFAOYSA-L 0.000 abstract description 2
- 238000005516 engineering process Methods 0.000 description 6
- 238000004519 manufacturing process Methods 0.000 description 5
- XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical compound [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 description 4
- QMQXDJATSGGYDR-UHFFFAOYSA-N methylidyneiron Chemical compound [C].[Fe] QMQXDJATSGGYDR-UHFFFAOYSA-N 0.000 description 3
- DQMUQFUTDWISTM-UHFFFAOYSA-N O.[O-2].[Fe+2].[Fe+2].[O-2] Chemical compound O.[O-2].[Fe+2].[Fe+2].[O-2] DQMUQFUTDWISTM-UHFFFAOYSA-N 0.000 description 2
- 229910052742 iron Inorganic materials 0.000 description 2
- 238000005245 sintering Methods 0.000 description 2
- 229910000604 Ferrochrome Inorganic materials 0.000 description 1
- 239000003638 chemical reducing agent Substances 0.000 description 1
- 230000007812 deficiency Effects 0.000 description 1
- 238000011161 development Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000005272 metallurgy Methods 0.000 description 1
- 239000000203 mixture Substances 0.000 description 1
- 238000012827 research and development Methods 0.000 description 1
- 239000004575 stone Substances 0.000 description 1
Classifications
-
- C—CHEMISTRY; METALLURGY
- C22—METALLURGY; FERROUS OR NON-FERROUS ALLOYS; TREATMENT OF ALLOYS OR NON-FERROUS METALS
- C22B—PRODUCTION AND REFINING OF METALS; PRETREATMENT OF RAW MATERIALS
- C22B1/00—Preliminary treatment of ores or scrap
- C22B1/14—Agglomerating; Briquetting; Binding; Granulating
- C22B1/24—Binding; Briquetting ; Granulating
-
- C—CHEMISTRY; METALLURGY
- C22—METALLURGY; FERROUS OR NON-FERROUS ALLOYS; TREATMENT OF ALLOYS OR NON-FERROUS METALS
- C22B—PRODUCTION AND REFINING OF METALS; PRETREATMENT OF RAW MATERIALS
- C22B1/00—Preliminary treatment of ores or scrap
- C22B1/14—Agglomerating; Briquetting; Binding; Granulating
- C22B1/24—Binding; Briquetting ; Granulating
- C22B1/242—Binding; Briquetting ; Granulating with binders
- C22B1/243—Binding; Briquetting ; Granulating with binders inorganic
-
- C—CHEMISTRY; METALLURGY
- C22—METALLURGY; FERROUS OR NON-FERROUS ALLOYS; TREATMENT OF ALLOYS OR NON-FERROUS METALS
- C22B—PRODUCTION AND REFINING OF METALS; PRETREATMENT OF RAW MATERIALS
- C22B1/00—Preliminary treatment of ores or scrap
- C22B1/14—Agglomerating; Briquetting; Binding; Granulating
- C22B1/24—Binding; Briquetting ; Granulating
- C22B1/242—Binding; Briquetting ; Granulating with binders
- C22B1/244—Binding; Briquetting ; Granulating with binders organic
- C22B1/245—Binding; Briquetting ; Granulating with binders organic with carbonaceous material for the production of coked agglomerates
Landscapes
- Chemical & Material Sciences (AREA)
- Engineering & Computer Science (AREA)
- Manufacturing & Machinery (AREA)
- Geochemistry & Mineralogy (AREA)
- Geology (AREA)
- General Life Sciences & Earth Sciences (AREA)
- Life Sciences & Earth Sciences (AREA)
- Environmental & Geological Engineering (AREA)
- Materials Engineering (AREA)
- Mechanical Engineering (AREA)
- Metallurgy (AREA)
- Organic Chemistry (AREA)
- Inorganic Chemistry (AREA)
- Manufacture And Refinement Of Metals (AREA)
Abstract
The invention belongs to the ferroalloy smelting technical field such as manganese, chromium, nickel, and in particular to a kind of cold press composite pellet and preparation method thereof.Mainly solve the high temperature strength and product quality problem of pelletizing.It with fine powder ore deposit, dust-removing powder, coke powder, coke or coking coal, binding agent is raw material that technical scheme, which is,；Preparation method is to add raw materials into mixer to be sufficiently stirred；Appropriate water is added in whipping process；The repressed equipment of the raw material being stirred is suppressed as cold press composite pellet finished product.The present invention has the high temperature strength for improving product and the advantages such as quality, smelting cost be low.
Description
Technical field
The invention belongs to the ferroalloy smelting technical field such as manganese, chromium, nickel, and in particular to a kind of cold press composite pellet and its system
Preparation Method.
Background technology
China is ferroalloy production and consumption big country.With ferroalloy technology continue to develop, its technological equipment to maximization,
Automation development is a kind of inevitable, and this just requirement more and more higher to ferroalloy smelting raw material, the raw material of production is various raw ores
Stone：If manganese ore, chrome ore are, it is necessary to a large amount of, high-grade various fine powder ore deposits are smelted, but fine powder ore deposit must pass through it is raw after processing
Ferroalloy smelting can be carried out into bulk.The processing of fine powder ore deposit is actively researched and developed for this domestic many ferroalloy enterprise and social personage
Technology.The treatment technology of fine powder ore deposit has two methods, first, sintering process；Second, cold-press method.Up to the present sintering process
Operating cost is high, seriously polluted；Cold-press method is not suitable for the processing of ferroalloy field fine powder ore deposit because can not solve elevated temperature strength.
There is the problems such as resistant to elevated temperatures low intensity, poor product quality, high cold press composite pellet and ferroalloy smelting cost.Research and development are a kind of
New technology is come to solve cold press composite pellet deficiency present in production process be a new problem.
The content of the invention
The purpose of the present invention is to be directed to above-mentioned technical problem, and provides a kind of cold press composite pellet, is improved resistant to elevated temperatures strong
Degree and product quality.
To achieve the above object, the present invention adopts the technical scheme that：A kind of cold press composite pellet, wherein, including it is following
The raw material composition of mass fraction：
50~85 parts of fine powder ore deposit, 0~30 part of dust-removing powder, 5~30 parts of coke powder, coke or coking coal, 0~15 part of binding agent；
Specific preparation method：Completed according to following steps：
The first step：The raw material of above-mentioned mass fraction is added in mixer and is sufficiently stirred；
Second step：Appropriate water is added in whipping process；
3rd step：The repressed equipment of the raw material being stirred is suppressed as cold press composite pellet finished product.
Alternatively, described fine powder ore deposit is any one in manganese fine powder ore deposit, manganese seed ore deposit, chromogen fine ore or nickel minerals.
Alternatively, described dust-removing powder is any one in manganese dust-removing powder, chromium dust-removing powder or nickel dust-removing powder.
Alternatively, described binding agent is any one in cement, amylan or bentonite.
Alternatively, the content of described coke powder or coke is 38~8%, and granularity is 0.2~10mm.
Compared with prior art, the present invention has advantages below and good effect：
Firstth, due to containing substantial amounts of di-iron trioxide in fine powder ore deposit used in ferroalloy smelting, the present invention is conventional cold
Coke powder, coke or the pelletizing prepared by coking coal is added in pressure composite pellet production technology to enter after stove at 900 DEG C or so, coke powder,
Coke or coking coal carry out iron carbon with the di-iron trioxide in raw material and reduce to form metallic iron, because the metallic iron just reduced has one
Fixed viscosity and intensity serve skeleton function, improve elevated temperature strength, while coking coal produces viscosity more than 500 DEG C, more
Add and ensure that elevated temperature strength.
Secondth, simultaneously because coke powder, coke or coking coal belong to reducing agent in ferroalloy smelting, add inside pelletizing
The reduction of iron carbon is facilitated and speeded up in smelting furnace so that the reduction of raw materials for metallurgy iron carbon is more thorough, so as to improve metallurgic product
Quality.
3rd, because ferroalloy smelting needs substantial amounts of metallurgical coke, coke powder is added in pelletizing is prepared or coking coal substitutes
The use of coke, so as to reducing ferroalloy smelting cost.
4th, it the composite can be widely applied to the production of the ferroalloys such as ferrochrome, manganeisen, silicomangan, dilval
Product smelting process field.
Embodiment
Embodiment 1
A kind of cold press composite pellet chromium system composite pellet described in the present embodiment, including following mass fraction are formed：
60 parts of manganese fine powder ore deposit, 20 parts of manganese dust-removing powder, 15 parts of coke powder, 5 parts of cement；
Specific preparation method is completed according to following steps：
The first step：The raw material of above-mentioned mass fraction is added in mixer and is sufficiently stirred；
Second step：Appropriate water is added in whipping process；
3rd step：The repressed equipment of the raw material being stirred is suppressed as cold press composite pellet finished product.
The content of above-mentioned coke powder is 58%, granularity 2mm.
Embodiment 2
A kind of cold press composite pellet chromium system composite pellet described in the present embodiment, including following mass fraction are formed：
85 parts of manganese fine powder ore deposit, 30 parts of manganese dust-removing powder, 30 parts of coke powder, 15 parts of cement；
Specific preparation method is the same as embodiment 1.
The content of above-mentioned coke powder is 30%, granularity 2mm.
Embodiment 3
A kind of cold press composite pellet chromium system composite pellet described in the present embodiment, including following mass fraction are formed：
60 parts of manganese fine powder ore deposit, 20 parts of manganese dust-removing powder, 20 parts of coke powder；
Specific preparation method is completed according to following steps：
Specific preparation method is the same as embodiment 1.
The content of above-mentioned coke powder is 40%, granularity 5mm.
Embodiment 4
A kind of cold press composite pellet chromium system composite pellet described in the present embodiment, including following mass fraction are formed：
50 parts of manganese fine powder ore deposit, 10 parts of manganese dust-removing powder, 5 parts of coke, 10 parts of cement；
Specific preparation method is the same as embodiment 1.
The content of above-mentioned coke is 58%, granularity 10mm.
Embodiment 5
A kind of cold press composite pellet chromium system composite pellet described in the present embodiment, including following mass fraction are formed：
85 parts of manganese fine powder ore deposit, 30 parts of manganese dust-removing powder, 30 parts of coke, 15 parts of cement；
Specific preparation method is the same as embodiment 1.
The content of above-mentioned coke is 30%, granularity 10mm.
Embodiment 6
A kind of cold press composite pellet chromium system composite pellet described in the present embodiment, including following mass fraction are formed：
60 parts of manganese fine powder ore deposit, 20 parts of manganese dust-removing powder, 20 parts of coke；
Specific preparation method is the same as embodiment 1.
The content of above-mentioned coke is 40%, granularity 5mm.
Embodiment 7
A kind of cold press composite pellet chromium system composite pellet described in the present embodiment, including following mass fraction are formed：
50 parts of manganese fine powder ore deposit, 10 parts of manganese dust-removing powder, 5 parts of coking coal, 10 parts of cement；
Specific preparation method is the same as embodiment 1.
Embodiment 8
A kind of cold press composite pellet chromium system composite pellet described in the present embodiment, including following mass fraction are formed：
85 parts of manganese fine powder ore deposit, 30 parts of manganese dust-removing powder, 30 parts of coking coal, 15 parts of cement；
Specific preparation method is the same as embodiment 1.
Embodiment 9
A kind of cold press composite pellet chromium system composite pellet described in the present embodiment, including following mass fraction are formed：
60 parts of manganese fine powder ore deposit, 20 parts of manganese dust-removing powder, 20 parts of coking coal；
Specific preparation method is the same as embodiment 1.
Manganese fine powder ore deposit described in above-described embodiment can also use any one generation in manganese son ore deposit, chromogen fine ore or nickel minerals
Replace.Manganese dust-removing powder described in above-described embodiment can also be replaced with any one in chromium dust-removing powder or nickel dust-removing powder.
Cement described in above-described embodiment can also be replaced with any one in amylan or bentonite.
To show the performance of cold press composite pellet of the embodiment of the present invention, as shown in table 1：
The cold press composite pellet performance indications of table 1.
Claims (5)
1. a kind of cold press composite pellet, it is characterized in that, the raw material for including following mass fraction forms：
50~85 parts of fine powder ore deposit, 0~30 part of dust-removing powder, 5~30 parts of coke powder, coke or coking coal, 0~15 part of binding agent；
Specific preparation method：Completed according to following steps：
The first step：The raw material of above-mentioned mass fraction is added in mixer and is sufficiently stirred；
Second step：Appropriate water is added in whipping process；
3rd step：The repressed equipment of the raw material being stirred is suppressed as cold press composite pellet finished product.
2. a kind of cold press composite pellet according to claim 1, it is characterized in that, described fine powder ore deposit is manganese fine powder ore deposit, manganese
Any one in young ore deposit, chromogen fine ore or nickel minerals.
3. a kind of cold press composite pellet according to claim 1, it is characterized in that, described dust-removing powder is manganese dust-removing powder, chromium
Any one in dust-removing powder or nickel dust-removing powder.
4. a kind of cold press composite pellet according to claim 1, it is characterized in that, described binding agent is cement, amylan
Or any one in bentonite.
5. a kind of cold press composite pellet according to claim 1, it is characterized in that, the content of described coke powder or coke is 58
~30%, granularity is 0~10mm.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710894334.1A CN107739818A (en) | 2017-09-28 | 2017-09-28 | A kind of cold press composite pellet and preparation method thereof |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710894334.1A CN107739818A (en) | 2017-09-28 | 2017-09-28 | A kind of cold press composite pellet and preparation method thereof |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN107739818A true CN107739818A (en) | 2018-02-27 |
Family
ID=61236174
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201710894334.1A Withdrawn CN107739818A (en) | 2017-09-28 | 2017-09-28 | A kind of cold press composite pellet and preparation method thereof |
Country Status (1)
| Country | Link |
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| CN (1) | CN107739818A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN120464852A (en) * | 2025-07-15 | 2025-08-12 | 内蒙古自治区产业技术创新中心(内蒙古自治区科学技术检测实验中心) | One-step forming process for chrome concentrate powder extrusion pellets |
Citations (4)
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|---|---|---|---|---|
| CN101157980A (en) * | 2007-09-23 | 2008-04-09 | 岳宪忠 | Preparation method of product for processing mineral powder and flue dust |
| CN101407858A (en) * | 2008-11-20 | 2009-04-15 | 云南文山斗南锰业股份有限公司 | Preparation of carbonaceous composite pellet containing manganese |
| CN101709341A (en) * | 2009-11-27 | 2010-05-19 | 北京科技大学 | Method for treating iron-containing waste materials in iron and steel plant |
| CN101775487A (en) * | 2010-03-11 | 2010-07-14 | 岳宪忠 | Production method of block material for ironmaking by using ferroalloy mineral powder |
-
2017
- 2017-09-28 CN CN201710894334.1A patent/CN107739818A/en not_active Withdrawn
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101157980A (en) * | 2007-09-23 | 2008-04-09 | 岳宪忠 | Preparation method of product for processing mineral powder and flue dust |
| CN101407858A (en) * | 2008-11-20 | 2009-04-15 | 云南文山斗南锰业股份有限公司 | Preparation of carbonaceous composite pellet containing manganese |
| CN101709341A (en) * | 2009-11-27 | 2010-05-19 | 北京科技大学 | Method for treating iron-containing waste materials in iron and steel plant |
| CN101775487A (en) * | 2010-03-11 | 2010-07-14 | 岳宪忠 | Production method of block material for ironmaking by using ferroalloy mineral powder |
Non-Patent Citations (1)
| Title |
|---|
| 戴维 等: "《铁合金工程技术》", 31 August 2015, 冶金工业出版社 * |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN120464852A (en) * | 2025-07-15 | 2025-08-12 | 内蒙古自治区产业技术创新中心(内蒙古自治区科学技术检测实验中心) | One-step forming process for chrome concentrate powder extrusion pellets |
| CN120464852B (en) * | 2025-07-15 | 2025-09-19 | 内蒙古自治区产业技术创新中心(内蒙古自治区科学技术检测实验中心) | One-step forming process for extrusion pellets of chromium concentrate powder |
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Application publication date: 20180227 |
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