CN103451440A - Method of recycling high titanium slag smelting reduction smoke dust and screened fine coal - Google Patents
Method of recycling high titanium slag smelting reduction smoke dust and screened fine coal Download PDFInfo
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- CN103451440A CN103451440A CN2013103916299A CN201310391629A CN103451440A CN 103451440 A CN103451440 A CN 103451440A CN 2013103916299 A CN2013103916299 A CN 2013103916299A CN 201310391629 A CN201310391629 A CN 201310391629A CN 103451440 A CN103451440 A CN 103451440A
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- titanium slag
- duff
- flue dust
- slag smelting
- pelletizing
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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
- Y02P10/20—Recycling
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Abstract
The invention claims a method of recycling high titanium slag smelting reduction smoke dust and screened fine coal, and the method comprises the following steps: uniformly mixing high titanium slag smelting reduction smoke dust, screened fine coal, a binder and water to obtain a mixture; adding the mixture to a pellet granulator, adjusting the roller spacing and pressure of the pellet granulator to produce high titanium slag coal dust pellets, and then adding the dried pellets to a high titanium slag smelting electric furnace so as to serve as reducing agents and recycling the titanium and valuable metals therein. The method is simply operated, practical, safe and environment-friendly and low in production cost, and can be used for effectively and comprehensively recycling the titanium and valuable metals from the high titanium slag smoke dust and realizing resource recycling of the fine coal screened by using the high titanium slag smelting reducing agents.
Description
Technical field
The invention belongs to nonferrous metallurgy melting Comprehensive Recovery Technology field, be specifically related to a kind of titanium slag smelting reducing flue dust and screening duff recoverying and utilizing method.
Background technology
Produce the reduction flue dust of titanium slag output mainly containing TiO
2, Fe, SiO
2, MnO, Cr
2o
3deng element, and containing TiO
225～50%, there is higher recovery value, at present, most of titanium smelting enterprise smelts to titanium slag the comprehensive utilization recovery method that the reduction flue dust of output has not had, titanium slag reduction flue dust can only be stored up, because the reduction smoke granularity is thinner, when causing metal loss, can bring environmental pollution; The screening duff belongs to that high-titanium slag smelting sieves out with reductive agent be less than 3mm can not directly add the coal of metallurgical stove as reductive agent, the screening duff is outer selling or burning boiler usually, can not obtain the utilization of economical and efficient.For this reason, the economical and efficient of developing a kind of titanium slag smelting reducing flue dust and screening duff utilizes the method tool to be of great significance.
Summary of the invention
The object of the present invention is to provide a kind of method of utilizing of titanium slag smelting reducing flue dust and the economical and efficient that sieves duff.
The object of the present invention is achieved like this, and titanium slag smelting reducing flue dust and screening duff are recycled, and comprises titanium slag smelting reducing flue dust, duff, binding agent and water are mixed, and obtains mixture; Mixture is joined in the pelletizing nodulizer, adjust spacing and the roller pressure of pelletizing nodulizer roller, output titanium slag coal dust pelletizing, join the titanium slag electric furnace as reductive agent and reclaim titanium and valuable metal thereof wherein after oven dry.
The present invention can be agglomerating by titanium slag smelting reducing flue dust and the granulation of screening duff continuously, has following advantage and positively effect:
1, the present invention is that continuous uniform is reinforced, and treatment capacity is large, and production efficiency is high, TiO
2comprehensive recovery is high, and production cost is low.
2, equipment of the present invention is simple, and easy handling is controlled; Good airproof performance, reduce environmental stress; To the strong adaptability of raw material, can process the raw material of heterogeneity and proportioning; Energy consumption is low; Increased Production Gain.
3, the binding agent in the batching is GY, hard pitch and NaOH, and it can organically combine with the element in material, can improve cold strength and the hot strength of granulation pelletizing, meets the intensity technical requirements of titanium slag to reductive agent.
4, the comprehensive recovering effect of the present invention is better, is a kind of effective way that solves titanium slag smelting reducing flue dust and the rear reductive agent duff recycling of titanium slag smelting screening.
Embodiment
Below in conjunction with embodiment, the invention will be further described, but never in any form the present invention is limited, and any conversion of doing based on training centre of the present invention, all fall into protection domain of the present invention.
The present invention recycles with titanium slag smelting reducing flue dust and screening duff, comprises the following steps:
A, titanium slag smelting reducing flue dust, screening duff, binding agent and water are mixed, obtain mixture;
B, mixture is joined in the pelletizing nodulizer, adjust spacing and the roller pressure of pelletizing nodulizer roller, output titanium slag coal dust pelletizing, join the titanium slag electric furnace as reductive agent and reclaim titanium and valuable metal thereof wherein after oven dry.
Described titanium slag reduction flue dust is containing TiO
225～50%, duff is containing C 80～89%.
The mixture that in described A step, binding agent is coal briquette type binding agent GY, hard pitch and industrial NaOH, part by weight is 20～60:60～20:10～20.
In described A step, the part by weight of titanium slag smelting reducing flue dust, screening duff, binding agent and water is 30～60:60～30:1～10:5～15.
In described B step, to add the pelletizing nodulizer be that continuous uniform is reinforced to mixture, and feed rate is 5～15t/h.
Pelletizing nodulizer in described B step is comprised of mixing of materials stirring system, granulating system.
Embodiment 1
A, by titanium slag smelting reducing flue dust, screening duff, binding agent (coal briquette type binding agent GY, hard pitch and NaOH weight ratio are 20:60:20) and water by weight 30:60:1:9 obtain material after mixing;
B, the material that a step is obtained join in the pelletizing nodulizer; adjust spacing and the roller pressure of pelletizing nodulizer roller; produce titanium slag coal dust pelletizing; after Belt Conveying is dried to dry drying shed, join the titanium slag electric furnace as reductive agent and reclaim titanium and valuable metal thereof wherein.The pelletizing of output is containing TiO
220.4%, C 54.1%, TiO
2direct yield 97.8%, the C rate of recovery 98%.
Embodiment 2
A, by titanium slag smelting reducing flue dust, screening duff, binding agent (coal briquette type binding agent GY, hard pitch and NaOH weight ratio are 30:50:20) and water by weight 35:52:3:10 obtain material after mixing;
B, the material that a step is obtained join in the pelletizing nodulizer; adjust spacing and the roller pressure of pelletizing nodulizer roller; produce titanium slag coal dust pelletizing; after Belt Conveying is dried to dry drying shed, join the titanium slag electric furnace as reductive agent and reclaim titanium and valuable metal thereof wherein.The pelletizing of output is containing TiO
223.6%, C 47.4%, TiO
2direct yield 98.5%, the C rate of recovery 99%.
Embodiment 3
A, by titanium slag smelting reducing flue dust, screening duff, binding agent (coal briquette type binding agent GY, hard pitch and NaOH weight ratio are 40:50:10) and water by weight 45:45:1:9 obtain material after mixing;
B, the material that a step is obtained join in the pelletizing nodulizer; adjust spacing and the roller pressure of pelletizing nodulizer roller; produce titanium slag coal dust pelletizing; after drying to dry drying shed through Belt Conveying, join the titanium slag electric furnace as reductive agent and reclaim titanium and valuable metal thereof wherein.The pelletizing of output is containing TiO
226.2%, C 42.4%, TiO
2direct yield 98.8%, the C rate of recovery 99.2%.
Embodiment 4
A, by titanium slag smelting reducing flue dust, screening duff, binding agent (coal briquette type binding agent GY, hard pitch and NaOH weight ratio are 30:50:20) and water by weight 50:35:3:12 obtain material after mixing;
B, the material that a step is obtained join in the pelletizing nodulizer; adjust spacing and the roller pressure of pelletizing nodulizer roller; produce titanium slag coal dust pelletizing; after Belt Conveying is dried to dry drying shed, join the titanium slag electric furnace as reductive agent and reclaim titanium and valuable metal thereof wherein.The pelletizing of output is containing TiO
227.9%, C32.1%, TiO
2direct yield 98.9%, the C rate of recovery 99.3%.
Embodiment 5
A, by titanium slag smelting reducing flue dust, screening duff, binding agent (coal briquette type binding agent GY, hard pitch and NaOH weight ratio are 30:50:20) and water by weight 60:29:1:10 obtain material after mixing;
B, the material that a step is obtained join in the pelletizing nodulizer; adjust spacing and the roller pressure of pelletizing nodulizer roller; produce titanium slag coal dust pelletizing; after drying to dry drying shed through Belt Conveying, join the titanium slag electric furnace as reductive agent and reclaim titanium and valuable metal thereof wherein.The pelletizing of output is containing TiO
229.9%, C 28.8%, TiO
2direct yield 99.1%, the C rate of recovery 99.4%.
Claims (6)
1. the method that a titanium slag smelting reducing flue dust and screening duff are recycled is characterized in that comprising the following steps:
A, titanium slag smelting reducing flue dust, screening duff, binding agent and water are mixed, obtain mixture;
B, mixture is joined in the pelletizing nodulizer, adjust spacing and the roller pressure of pelletizing nodulizer roller, output titanium slag coal dust pelletizing, join the titanium slag electric furnace as reductive agent comprehensive titanium and the valuable metal thereof reclaimed wherein after oven dry.
2. titanium slag smelting reducing flue dust according to claim 1 and the method for sieving the duff recycling, is characterized in that described titanium slag reduction flue dust is containing TiO
225～50%, the screening duff is containing C 80～89%.
3. the method that titanium slag smelting reducing flue dust according to claim 1 and screening duff are recycled, it is characterized in that the mixture that in described A step, binding agent is coal briquette type binding agent GY, hard pitch and NaOH, part by weight is 20～60:60～20:10～20.
4. titanium slag smelting reducing flue dust according to claim 1 and the method for sieving the duff recycling, is characterized in that the part by weight of titanium slag smelting reducing flue dust in described A step, screening duff, binding agent and water is 30～60:60～30:1～10:5～15.
5. the method that titanium slag smelting reducing flue dust according to claim 1 and screening duff are recycled, is characterized in that in described B step that it is that continuous uniform is reinforced that mixture adds the pelletizing nodulizer, and feed rate is 5～15t/h.
6. titanium slag smelting reducing flue dust according to claim 1 and the method for sieving the duff recycling, is characterized in that the pelletizing nodulizer in described B step is comprised of mixing of materials stirring system, granulating system.
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310391629.9A CN103451440B (en) | 2013-09-02 | 2013-09-02 | Method of recycling high titanium slag smelting reduction smoke dust and screened fine coal |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310391629.9A CN103451440B (en) | 2013-09-02 | 2013-09-02 | Method of recycling high titanium slag smelting reduction smoke dust and screened fine coal |
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| Publication Number | Publication Date |
|---|---|
| CN103451440A true CN103451440A (en) | 2013-12-18 |
| CN103451440B CN103451440B (en) | 2015-03-25 |
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Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104789759A (en) * | 2014-01-16 | 2015-07-22 | 河南省远征冶金科技有限公司 | Metallurgical iron-containing powder material resource utilization method |
| CN106086479A (en) * | 2016-07-28 | 2016-11-09 | 陕西大山机械有限公司 | High titanium slag and the device of iron oxide red and extracting method thereof is extracted in titaniferous mine tailing |
| CN107119198A (en) * | 2017-04-28 | 2017-09-01 | 攀钢集团研究院有限公司 | Titanium slag electric furnace dust-removing powder recoverying and utilizing method |
| CN109385533A (en) * | 2018-10-22 | 2019-02-26 | 攀钢集团攀枝花钢铁研究院有限公司 | The recoverying and utilizing method of titanium slag dedusting ash |
Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103101969A (en) * | 2013-03-12 | 2013-05-15 | 中航天赫（唐山）钛业有限公司 | Method and equipment for increasing utilization ratio of raw materials for producing titanium tetrachloride |
-
2013
- 2013-09-02 CN CN201310391629.9A patent/CN103451440B/en active Active
Patent Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103101969A (en) * | 2013-03-12 | 2013-05-15 | 中航天赫（唐山）钛业有限公司 | Method and equipment for increasing utilization ratio of raw materials for producing titanium tetrachloride |
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104789759A (en) * | 2014-01-16 | 2015-07-22 | 河南省远征冶金科技有限公司 | Metallurgical iron-containing powder material resource utilization method |
| CN106086479A (en) * | 2016-07-28 | 2016-11-09 | 陕西大山机械有限公司 | High titanium slag and the device of iron oxide red and extracting method thereof is extracted in titaniferous mine tailing |
| CN106086479B (en) * | 2016-07-28 | 2019-03-05 | 陕西大山机械有限公司 | The device and its extracting method of high titanium slag and iron oxide red are extracted in titaniferous tailing |
| CN107119198A (en) * | 2017-04-28 | 2017-09-01 | 攀钢集团研究院有限公司 | Titanium slag electric furnace dust-removing powder recoverying and utilizing method |
| CN109385533A (en) * | 2018-10-22 | 2019-02-26 | 攀钢集团攀枝花钢铁研究院有限公司 | The recoverying and utilizing method of titanium slag dedusting ash |
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|---|---|
| CN103451440B (en) | 2015-03-25 |
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Address after: 650031 No. 86 Yuantong North Road, Yunnan, Kunming Patentee after: Kunming Metallurgical Research Institute Co., Ltd Address before: 650031 No. 86 Yuantong North Road, Yunnan, Kunming Patentee before: Kunming Metallurgical Research Institute |