CN112619886A - Dust removal recycling system - Google Patents
Dust removal recycling system Download PDFInfo
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- CN112619886A CN112619886A CN202110085010.XA CN202110085010A CN112619886A CN 112619886 A CN112619886 A CN 112619886A CN 202110085010 A CN202110085010 A CN 202110085010A CN 112619886 A CN112619886 A CN 112619886A
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- ash
- outlet
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- connecting pipeline
- magnetic separator
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B03—SEPARATION OF SOLID MATERIALS USING LIQUIDS OR USING PNEUMATIC TABLES OR JIGS; MAGNETIC OR ELECTROSTATIC SEPARATION OF SOLID MATERIALS FROM SOLID MATERIALS OR FLUIDS; SEPARATION BY HIGH-VOLTAGE ELECTRIC FIELDS
- B03B—SEPARATING SOLID MATERIALS USING LIQUIDS OR USING PNEUMATIC TABLES OR JIGS
- B03B7/00—Combinations of wet processes or apparatus with other processes or apparatus, e.g. for dressing ores or garbage
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B03—SEPARATION OF SOLID MATERIALS USING LIQUIDS OR USING PNEUMATIC TABLES OR JIGS; MAGNETIC OR ELECTROSTATIC SEPARATION OF SOLID MATERIALS FROM SOLID MATERIALS OR FLUIDS; SEPARATION BY HIGH-VOLTAGE ELECTRIC FIELDS
- B03B—SEPARATING SOLID MATERIALS USING LIQUIDS OR USING PNEUMATIC TABLES OR JIGS
- B03B9/00—General arrangement of separating plant, e.g. flow sheets
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B09—DISPOSAL OF SOLID WASTE; RECLAMATION OF CONTAMINATED SOIL
- B09B—DISPOSAL OF SOLID WASTE
- B09B3/00—Destroying solid waste or transforming solid waste into something useful or harmless
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B09—DISPOSAL OF SOLID WASTE; RECLAMATION OF CONTAMINATED SOIL
- B09B—DISPOSAL OF SOLID WASTE
- B09B5/00—Operations not covered by a single other subclass or by a single other group in this subclass
Abstract
The invention relates to a dedusting ash recycling system, belongs to the technical field of dedusting recycling equipment, and mainly solves the technical problems that the dedusting ash of a low-pressure pulse bag type dust collector of the conventional magnetic ore crushing and grinding feeding system is difficult to treat and easily causes secondary pollution. The technical scheme of the invention is as follows: the utility model provides a fly ash recycle system, fly ash recycle system is connected with low pressure pulse bag collector, wherein: the dedusting ash recycling system comprises a positive pressure concentrated phase pneumatic conveying system, a size mixing system, a sorting and recycling system and a plurality of conveying pipelines. The invention has the advantages of reasonable design, capability of effectively avoiding secondary pollution, simple operation, high working efficiency, low cost, high comprehensive utilization rate of mineral resources and the like.
Description
Technical Field
The invention belongs to the technical field of dedusting and recycling equipment, and particularly relates to a dedusting ash recycling system.
Background
In the production process of mines, a large amount of dust is generated by crushing, screening, conveying by using a rubber belt, storing in a warehouse and the like of ores, so that the environment, the operation efficiency, the health of staff and the production cost of enterprises are influenced, and the method becomes an important factor for restricting the development of the enterprises. In order to treat dust, the measures adopted at present are dust source sealing, wet atomization dust suppression, mechanical dust reduction and the like, wherein the dust removal effect of the ore dressing crushing process is better than that of a low-pressure pulse bag type dust collector.
After the bag type dust collector is applied, the production environment and the working conditions of the staff of an enterprise are obviously improved, but the defects of dust removal disposal generally exist and are mainly reflected as follows: 1. a first treatment scheme: directly discharging the dust to a link (such as a material conveying belt and a transfer funnel) nearby the production flow. The defects are as follows: after the dust removal ash enters the ore production flow, secondary dust raising can be formed due to factors such as equipment vibration and material transfer, so that dust is continuously accumulated in an operation space and the surrounding environment, the dust removal effect is deteriorated, and the load of a dust removal facility is increased. 2. A second treatment scheme: and (4) transporting the dust removal ash to a special solid waste storage yard for burying and storing by using a special closed vehicle. The defects are as follows: not only needs to occupy land resources, but also pollutes the environment due to secondary dust emission in the loading, unloading and burying processes, and meanwhile, the operation cost of enterprises is increased. 3. A third treatment scheme: and directly discharging the dust into a mill tailing system by using water. The defects are as follows: resulting in loss of valuable metals and waste of water resources.
Disclosure of Invention
The invention aims to overcome the defects of the prior art, provides a dedusting ash recycling system, and solves the technical problems that the dedusting ash of a low-pressure pulse bag type dust collector of the conventional magnetic ore crushing and grinding feeding system is difficult to treat, secondary pollution is easily caused and the like.
In order to solve the problems, the technical scheme of the invention is as follows: the utility model provides a fly ash recycle system, fly ash recycle system is connected with low pressure pulse bag collector, wherein: the dedusting ash recycling system comprises a positive pressure concentrated phase pneumatic conveying system, a size mixing system, a sorting and recycling system and a plurality of connecting pipelines;
the positive pressure concentrated phase pneumatic conveying system is arranged below the low-pressure pulse bag type dust collector, and a feed inlet of the positive pressure concentrated phase pneumatic conveying system is communicated with a discharge outlet at the bottom of an ash collecting hopper of the low-pressure pulse bag type dust collector;
the slurry mixing system sequentially comprises a total ash collecting warehouse, a screw conveyor, an ash-water mixing chamber, an ash-water stirring tank and a plurality of connecting pipelines from top to bottom; a feeding hole is formed in one side of the top of the total ash collecting warehouse, an ash outlet is formed in the bottom surface of the total ash collecting warehouse, and a gate valve is arranged at the ash outlet; the spiral conveyor is horizontally arranged, a conveying inlet is formed in the top surface of one end of the spiral conveyor, a conveying outlet is formed in the bottom surface of the other end of the spiral conveyor, and the ash outlet is communicated with the conveying inlet through a star-shaped feeder; the ash-water mixing chamber is arranged below the conveying outlet, the conveying outlet is connected with an ash inlet of the mixing chamber on the left side of the top surface of the ash-water mixing chamber through a connecting pipeline, a water inlet is arranged on the lower portion of the left side wall of the ash-water mixing chamber, and a slurry outlet is arranged on the right side of the bottom surface of the ash-water mixing chamber; the ash water stirring tank is arranged below the slurry outlet, the slurry outlet is connected with a stirring tank feed inlet on one side of the top surface of the ash water stirring tank through a connecting pipeline, a stirring device is arranged in the ash water stirring tank, an ash water delivery pump is arranged on the top surface of the ash water stirring tank, and the inlet of the ash water delivery pump is communicated with the lower part of the inner cavity of the ash water stirring tank through a connecting pipeline;
the separation and recovery device comprises an ash water feeding pump pool, a fine screening device, a first-stage magnetic separator, a second-stage magnetic separator, a concentration magnetic separator, a ball mill, a concentrate pump pool, a tailing pump pool and a plurality of connecting pipelines; the discharge port of the ash water feeding pump pool is connected with the top feed port of the fine screening device through a connecting pipeline, the oversize coarse material outlet of the fine screening device is communicated with the feed port of the concentration magnetic separator through a connecting pipeline, the concentrate outlet of the concentration magnetic separator is communicated with the feed port of the ball mill through a connecting pipeline, the tailing outlet of the concentration magnetic separator is communicated with the feed port of the tailing pump pool through a connecting pipeline, and the discharge port of the ball mill is communicated with the feed port of the ash water feeding pump pool through a connecting pipeline; the undersize fine material outlet of the fine screening device is communicated with a feed inlet of a first-stage magnetic separator through a connecting pipeline, a concentrate outlet of the first-stage magnetic separator is communicated with a feed inlet of a second-stage magnetic separator through a connecting pipeline, a tailing outlet of the first-stage magnetic separator is communicated with a feed inlet of a tailing pump pond through a connecting pipeline, a concentrate outlet of the second-stage magnetic separator is communicated with a feed inlet of a concentrate pump pond through a connecting pipeline, and a tailing outlet of the second-stage magnetic separator is communicated with a feed inlet of the tailing pump pond through a connecting pipeline; a fine screen feeding pump is arranged on a connecting pipeline between a discharge hole of the grey water feeding pump pool and a top feed inlet of the fine screen device, a concentrate delivery pump is arranged at a discharge hole of the concentrate pump pool, and a tailing delivery pump is arranged at a discharge hole of the tailing pump pool;
the discharge port of the positive pressure concentrated phase pneumatic conveying system is communicated with an ash inlet on the top surface of a main ash collecting warehouse of the size mixing system through a conveying pipeline; and the outlet of the grey water delivery pump in the size mixing system is communicated with the feed inlet of the grey water feeding pump pool of the sorting and recovery system through a connecting pipeline.
Furthermore, a dust remover is arranged on the top surface of the total ash collecting warehouse, and the dust remover is communicated with the inner cavity of the total ash collecting warehouse.
Furthermore, a plurality of vibration exciters are uniformly arranged on the lower portion of the outer side wall of the total ash collecting warehouse.
Further, the grey water delivery pump is a vertical slurry pump.
By adopting the technical scheme, secondary dust generated after the original dust enters the system is avoided, the factory building and the surrounding environment are improved, and meanwhile, land resources occupied by the dust emission are reduced; the sorting and recycling device recycles valuable metals in the fly ash, and improves the comprehensive utilization rate of mineral resources.
Compared with the prior art, the invention has the advantages of reasonable design, capability of effectively avoiding secondary pollution, simple operation, high working efficiency, low cost, high comprehensive utilization rate of mineral resources and the like.
Drawings
FIG. 1 is a schematic structural diagram of the present invention.
Detailed Description
The invention is described in further detail below with reference to the figures and examples.
A fly ash recycling system as shown in fig. 1, which is connected to a low-pressure pulse bag collector 1, wherein: the dedusting ash recycling system comprises a positive pressure concentrated phase pneumatic conveying system 2, a size mixing system 3, a sorting and recycling system 4 and a plurality of connecting pipelines;
the positive pressure concentrated phase pneumatic conveying system 2 is arranged below the low-pressure pulse bag type dust collector 1, and a feed inlet of the positive pressure concentrated phase pneumatic conveying system 2 is communicated with a discharge outlet at the bottom of an ash collecting hopper of the low-pressure pulse bag type dust collector 1;
the size mixing system 3 sequentially comprises a total ash collecting warehouse 3-1, a screw conveyor 3-2, an ash-water mixing chamber 3-3, an ash-water stirring tank 3-4 and a plurality of connecting pipelines from top to bottom; a feed inlet 3-1-1 is formed in one side of the top of the total ash collecting warehouse 3-1, an ash outlet 3-1-2 is formed in the bottom surface of the total ash collecting warehouse 3-1, and a gate valve 3-5 is arranged at the ash outlet 3-1-2; the spiral conveyor 3-2 is horizontally arranged, the top surface of one end of the spiral conveyor 3-2 is provided with a conveying inlet 3-2-1, the bottom surface of the other end of the spiral conveyor 3-2 is provided with a conveying outlet 3-2-1, and the ash outlet 3-5 is communicated with the conveying inlet 3-1-1 through a star-shaped feeder; the ash-water mixing chamber 3-3 is arranged below the delivery outlet 3-1-2, the delivery outlet 3-1-2 is connected with the mixing chamber ash inlet 3-3-1 on the left side of the top surface of the ash-water mixing chamber 3-3 through a connecting pipeline, the lower part of the left side wall of the ash-water mixing chamber 3-3 is provided with a water inlet 3-3-2, and the right side of the bottom surface of the ash-water mixing chamber 3-3 is provided with a slurry outlet 3-3-3; the ash water stirring tank 3-4 is arranged below the slurry outlet 3-3-3, the slurry outlet 3-3-3 is connected with a stirring tank feed inlet 3-4-1 at one side of the top surface of the ash water stirring tank 3-4 through a connecting pipeline, a stirring device 3-4-2 is arranged in the ash water stirring tank 3-4, an ash water delivery pump 3-4-3 is arranged at the top surface of the ash water stirring tank 3-4, and an inlet of the ash water delivery pump 3-4-3 is communicated with the lower part of an inner cavity of the ash water stirring tank 3-4 through a connecting pipeline;
the separation and recovery device 4 comprises an ash water feeding pump pool 4-1, a fine screening device 4-2, a first-stage magnetic separator 4-3, a second-stage magnetic separator 4-4, a concentration magnetic separator 4-5, a ball mill 4-6, a concentrate pump pool 4-7, a tailing pump pool 4-8 and a plurality of connecting pipelines; the discharge port of the grey water feeding pump pool 4-1 is connected with the top feed port of the fine screening device 4-2 through a connecting pipeline, the oversize coarse material outlet of the fine screening device 4-2 is communicated with the feed port of the concentration magnetic separator 4-5 through a connecting pipeline, the concentrate outlet of the concentration magnetic separator 4-5 is communicated with the feed port of the ball mill 4-6 through a connecting pipeline, the tailing outlet of the concentration magnetic separator 4-5 is communicated with the feed port of the tailing pump pool 4-8 through a connecting pipeline, and the discharge port of the ball mill 4-6 is communicated with the feed port of the grey water feeding pump pool 4-1 through a connecting pipeline; the undersize fine material outlet of the fine screening device 4-2 is communicated with the feed inlet of a first-stage magnetic separator 4-3 through a connecting pipeline, the concentrate outlet of the first-stage magnetic separator 4-3 is communicated with the feed inlet of a second-stage magnetic separator 4-4 through a connecting pipeline, the tailing outlet of the first-stage magnetic separator 4-3 is communicated with the feed inlet of a tailing pump pond 4-8 through a connecting pipeline, the concentrate outlet of the second-stage magnetic separator 4-4 is communicated with the feed inlet of a concentrate pump pond 4-7 through a connecting pipeline, and the tailing outlet of the second-stage magnetic separator 4-4 is communicated with the feed inlet of the tailing pump pond 4-8 through a connecting pipeline; a fine screen feeding pump 4-9 is arranged on a connecting pipeline between a discharge hole of the grey water feeding pump pool 4-1 and a top feed inlet of the fine screen device 4-2, a concentrate delivery pump 4-10 is arranged at a discharge hole of the concentrate pump pool 4-7, and a tailing delivery pump 4-11 is arranged at a discharge hole of the tailing pump pool 4-8;
the discharge hole of the positive pressure concentrated phase pneumatic conveying system 2 is communicated with an ash inlet 3-1-1 on the top surface of a total ash collecting warehouse 3-1 of the size mixing system 3 through a conveying pipeline; the outlet of the ash water delivery pump in the size mixing system 3 is communicated with the feed inlet of the ash water feeding pump pool 4-1 of the sorting and recovering system 4 through a connecting pipeline.
The top surface of the total ash collecting warehouse 3-1 is provided with a dust remover, and the dust remover is communicated with the inner cavity of the total ash collecting warehouse 3-1.
The lower part of the outer side wall of the total ash collecting storehouse 3-1 is uniformly provided with a plurality of vibration exciters 3-6.
The grey water delivery pump 3-4-3 is a vertical slurry pump.
The working process and principle of the invention are as follows:
1) dust in the dust collecting hopper of each low-pressure pulse bag type dust collector 1 is conveyed to a total dust collecting warehouse 3-1 of a slurry mixing system 3 through a pneumatic conveying system 2, and the conveyed dust reaches a feed inlet at the top of the total dust collecting warehouse 3-1, is subjected to solid-gas separation under the action of airflow and gravity and then falls into the total dust collecting warehouse 3-1;
2) a spiral conveyor 3-2 matched with the bottom of the total ash collecting warehouse 3-1 sends the dedusting ash to an ash-water mixing chamber 3-3, water is added for mixing, then the dedusting ash enters an ash-water stirring tank 3-4, the dedusting ash slurry with a certain concentration is formed by stirring in the ash-water stirring tank 3-4, and the dedusting ash slurry is conveyed to a sorting and recycling system 4 through an ash-water conveying pump 3-4-3 and then is fed into a pump pool 4-1;
3) dust removal ash slurry of the ash water fed into the pump pool 4-1 is pumped to a fine screening device 4-2 through a fine screening feeding pump 4-9 to be screened and graded;
4) after fine screening and grading by a screen of a fine screening device 4-2, oversize coarse grains enter a concentration magnetic separator 4-5 for magnetic separation, materials discharged from a concentrate outlet of the concentration magnetic separator 4-5 enter a ball mill 4-6 for ball milling, then return to grey water and feed to a pump pool 4-1, and materials discharged from a tailing outlet of the concentration magnetic separator 4-5 enter a tailing pump pool 4-8;
after being screened and classified by a screen of a screening device 4-2, undersize fine grains enter a first-stage magnetic separator 4-3 for magnetic separation, materials discharged from a concentrate outlet of the first-stage magnetic separator 4-3 enter a second-stage magnetic separator 4-4, and materials discharged from a tailing outlet of the first-stage magnetic separator 4-3 enter a tailing pump pool 4-8; the materials discharged from the concentrate outlet of the second-stage magnetic separator 4-4 enter a concentrate pump pool 4-7, and the materials discharged from the tailing outlet of the second-stage magnetic separator 4-4 enter a tailing pump pool 4-8.
Claims (4)
1. The utility model provides a fly ash recycle system, fly ash recycle system is connected its characterized in that with low pressure pulse bag collector (1): the dedusting ash recycling system comprises a positive pressure concentrated phase pneumatic conveying system (2), a size mixing system (3), a sorting and recycling system (4) and a plurality of connecting pipelines;
the positive pressure concentrated phase pneumatic conveying system (2) is arranged below the low-pressure pulse bag type dust collector (1), and a feed inlet of the positive pressure concentrated phase pneumatic conveying system (2) is communicated with a discharge outlet at the bottom of an ash collecting hopper of the low-pressure pulse bag type dust collector (1);
the slurry mixing system (3) sequentially comprises a total ash collecting warehouse (3-1), a screw conveyor (3-2), an ash-water mixing chamber (3-3), an ash-water stirring tank (3-4) and a plurality of connecting pipelines from top to bottom; a feeding hole (3-1-1) is formed in one side of the top of the total ash collecting warehouse (3-1), an ash outlet (3-1-2) is formed in the bottom surface of the total ash collecting warehouse (3-1), and a gate valve (3-5) is arranged at the ash outlet (3-1-2); the spiral conveyor (3-2) is horizontally arranged, a conveying inlet (3-2-1) is formed in the top surface of one end of the spiral conveyor (3-2), a conveying outlet (3-2-1) is formed in the bottom surface of the other end of the spiral conveyor (3-2), and the ash outlet (3-5) is communicated with the conveying inlet (3-1-1) through a star-shaped feeder; the ash-water mixing chamber (3-3) is arranged below the delivery outlet (3-1-2), the delivery outlet (3-1-2) is connected with an ash inlet (3-3-1) of the mixing chamber on the left side of the top surface of the ash-water mixing chamber (3-3) through a connecting pipeline, a water inlet (3-3-2) is arranged on the lower portion of the left side wall of the ash-water mixing chamber (3-3), and a slurry outlet (3-3-3) is arranged on the right side of the bottom surface of the ash-water mixing chamber (3-3); the ash water stirring tank (3-4) is arranged below the slurry outlet (3-3-3), the slurry outlet (3-3-3) is connected with a stirring tank feed inlet (3-4-1) on one side of the top surface of the ash water stirring tank (3-4) through a connecting pipeline, a stirring device (3-4-2) is arranged in the ash water stirring tank (3-4), an ash water delivery pump (3-4-3) is arranged on the top surface of the ash water stirring tank (3-4), and an inlet of the ash water delivery pump (3-4-3) is communicated with the lower part of an inner cavity of the ash water stirring tank (3-4) through a connecting pipeline;
the separation and recovery device (4) comprises an ash water feeding pump pool (4-1), a fine screening device (4-2), a first-stage magnetic separator (4-3), a second-stage magnetic separator (4-4), a concentration magnetic separator (4-5), a ball mill (4-6), a concentrate pump pool (4-7), a tailing pump pool (4-8) and a plurality of connecting pipelines; the discharge port of the grey water feeding pump pool (4-1) is connected with the top feed port of the fine screening device (4-2) through a connecting pipeline, the oversize coarse material outlet of the fine screening device (4-2) is communicated with the feed port of the concentration magnetic separator (4-5) through a connecting pipeline, the concentrate outlet of the concentration magnetic separator (4-5) is communicated with the feed port of the ball mill (4-6) through a connecting pipeline, the tailing outlet of the concentration magnetic separator (4-5) is communicated with the feed port of the tailing pump pool (4-8) through a connecting pipeline, and the discharge port of the ball mill (4-6) is communicated with the feed port of the grey water feeding pump pool (4-1) through a connecting pipeline; the undersize fine material outlet of the fine screening device (4-2) is communicated with the feed inlet of a first-stage magnetic separator (4-3) through a connecting pipeline, the concentrate outlet of the first-stage magnetic separator (4-3) is communicated with the feed inlet of a second-stage magnetic separator (4-4) through a connecting pipeline, the tailings outlet of the first-stage magnetic separator (4-3) is communicated with the feed inlet of a tailings pump pool (4-8) through a connecting pipeline, the concentrate outlet of the second-stage magnetic separator (4-4) is communicated with the feed inlet of a concentrate pump pool (4-7) through a connecting pipeline, and the tailings outlet of the second-stage magnetic separator (4-4) is communicated with the feed inlet of the tailings pump pool (4-8) through a connecting pipeline; a fine screen ore feeding pump (4-9) is arranged on a connecting pipeline between a discharge hole of the grey water feeding pump pool (4-1) and a top feed inlet of the fine screen device (4-2), a concentrate delivery pump (4-10) is arranged at a discharge hole of the concentrate pump pool (4-7), and a tailing delivery pump (4-11) is arranged at a discharge hole of the tailing pump pool (4-8);
the discharge hole of the positive pressure concentrated phase pneumatic conveying system (2) is communicated with an ash inlet (3-1-1) on the top surface of a total ash collecting warehouse (3-1) of the size mixing system (3) through a conveying pipeline; and the outlet of the grey water delivery pump in the size mixing system (3) is communicated with the feed inlet of the grey water feeding pump pool (4-1) of the sorting and recovering system (4) through a connecting pipeline.
2. The fly ash recycling system of claim 1, wherein: the top surface of the total ash collecting warehouse (3-1) is provided with a dust remover, and the dust remover is communicated with the inner cavity of the total ash collecting warehouse (3-1).
3. The fly ash recycling system of claim 1, wherein: the lower part of the outer side wall of the total ash collecting storehouse (3-1) is uniformly provided with a plurality of vibration exciters (3-6).
4. The fly ash recycling system of claim 1, wherein: the grey water delivery pump (3-4-3) is a vertical slurry pump.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110085010.XA CN112619886B (en) | 2021-01-22 | 2021-01-22 | Dust removal recycling system |
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| Application Number | Priority Date | Filing Date | Title |
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| CN202110085010.XA CN112619886B (en) | 2021-01-22 | 2021-01-22 | Dust removal recycling system |
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| CN112619886A true CN112619886A (en) | 2021-04-09 |
| CN112619886B CN112619886B (en) | 2022-05-27 |
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Citations (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE10220813A1 (en) * | 2002-03-14 | 2003-10-09 | Schauenburg Masch | Process for utilizing ashes with a high coal content from coal dust firing systems comprises transferring the ash after removal of large constituents to a fluidized bed sorting device |
| JP2006212525A (en) * | 2005-02-02 | 2006-08-17 | Hyunday Engineering & Const Co Ltd | Method for removing chlorine compound which is included in bottom ash and removal system |
| CN101289265A (en) * | 2007-04-20 | 2008-10-22 | 宝山钢铁股份有限公司 | Treating method for dezincifying from zinc-containing sludge of blast furnace |
| CN101972702A (en) * | 2010-09-26 | 2011-02-16 | 中冶长天国际工程有限责任公司 | Comprehensive dust recycling technology and system for sintering machine head electric precipitation |
| CN202356179U (en) * | 2011-10-24 | 2012-08-01 | 太原钢铁(集团)有限公司 | Column magnetic separator |
| CN103301679A (en) * | 2013-06-26 | 2013-09-18 | 南京梅山冶金发展有限公司 | Tailing dewatering method |
| CN103394497A (en) * | 2013-05-29 | 2013-11-20 | 厦门腾远资源应用科技开发有限公司 | Environmentally-friendly dedusting ash processing apparatus |
| CN105080706A (en) * | 2015-08-18 | 2015-11-25 | 卯伟伟 | Low-grade gold ore recovery technology |
| CN109592692A (en) * | 2018-12-24 | 2019-04-09 | 贺州市骏鑫矿产品有限责任公司 | A kind of potassium albite in powder production line |
| CN110694789A (en) * | 2019-11-18 | 2020-01-17 | 安徽马钢矿业资源集团有限公司 | Ore dressing method for magnetite |
-
2021
- 2021-01-22 CN CN202110085010.XA patent/CN112619886B/en active Active
Patent Citations (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE10220813A1 (en) * | 2002-03-14 | 2003-10-09 | Schauenburg Masch | Process for utilizing ashes with a high coal content from coal dust firing systems comprises transferring the ash after removal of large constituents to a fluidized bed sorting device |
| JP2006212525A (en) * | 2005-02-02 | 2006-08-17 | Hyunday Engineering & Const Co Ltd | Method for removing chlorine compound which is included in bottom ash and removal system |
| CN101289265A (en) * | 2007-04-20 | 2008-10-22 | 宝山钢铁股份有限公司 | Treating method for dezincifying from zinc-containing sludge of blast furnace |
| CN101972702A (en) * | 2010-09-26 | 2011-02-16 | 中冶长天国际工程有限责任公司 | Comprehensive dust recycling technology and system for sintering machine head electric precipitation |
| CN202356179U (en) * | 2011-10-24 | 2012-08-01 | 太原钢铁(集团)有限公司 | Column magnetic separator |
| CN103394497A (en) * | 2013-05-29 | 2013-11-20 | 厦门腾远资源应用科技开发有限公司 | Environmentally-friendly dedusting ash processing apparatus |
| CN103301679A (en) * | 2013-06-26 | 2013-09-18 | 南京梅山冶金发展有限公司 | Tailing dewatering method |
| CN105080706A (en) * | 2015-08-18 | 2015-11-25 | 卯伟伟 | Low-grade gold ore recovery technology |
| CN109592692A (en) * | 2018-12-24 | 2019-04-09 | 贺州市骏鑫矿产品有限责任公司 | A kind of potassium albite in powder production line |
| CN110694789A (en) * | 2019-11-18 | 2020-01-17 | 安徽马钢矿业资源集团有限公司 | Ore dressing method for magnetite |
Non-Patent Citations (2)
| Title |
|---|
| 刘自民等: ""马钢含铁尘泥综合利用研究与实践"", 《中国冶金》 * |
| 杨逢庭等: ""高炉除尘灰的综合利用"", 《山东冶金》 * |
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| CN112619886B (en) | 2022-05-27 |
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