CN203923025U - Utilize the change system of red mud, phosphogypsum and bastard coal grog made of stones - Google Patents
Utilize the change system of red mud, phosphogypsum and bastard coal grog made of stones Download PDFInfo
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- CN203923025U CN203923025U CN201420367319.3U CN201420367319U CN203923025U CN 203923025 U CN203923025 U CN 203923025U CN 201420367319 U CN201420367319 U CN 201420367319U CN 203923025 U CN203923025 U CN 203923025U
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- handling machinery
- phosphogypsum
- red mud
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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
- Y02P40/00—Technologies relating to the processing of minerals
- Y02P40/10—Production of cement, e.g. improving or optimising the production methods; Cement grinding
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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
- Y02P40/00—Technologies relating to the processing of minerals
- Y02P40/10—Production of cement, e.g. improving or optimising the production methods; Cement grinding
- Y02P40/121—Energy efficiency measures, e.g. improving or optimising the production methods
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Abstract
Utilize the change system of red mud, phosphogypsum and bastard coal grog made of stones, mainly comprise pellet storehouse, one-level dosing unit, grinding device, dry powder feed bin, wet feed storehouse, B grade mixture material device, roll over mixing device, shaped device (or drying shredder assembly) and roasting assembly; Described in it, grain bin bottom is connected with one-level dosing unit; Described one-level dosing unit is connected with grinding device; Described grinding device is connected with dry powder feed bin; The bottom in the bottom of described filler bin and wet feed storehouse is connected with B grade mixture material device respectively; Described B grade mixture material device is connected with rolling mixing device; Described rolling mixing device is connected with shaped device (or drying shredder assembly); Described shaped device (or drying shredder assembly) is connected with roasting assembly.The utility model has the advantages that scale and equipment can be because of feelings suiting measures to different conditions, invest littlely, semi-wet method technique is simple, environmental issue is easy to process, products production cost is low, purposes is wide, has industrial competitiveness.
Description
Technical field
The utility model relates to the change system that utilizes trade waste grog processed, is specifically related to utilize the change system of red mud, phosphogypsum and bastard coal grog made of stones.
Background technology
Red mud is to take the fines strong basicity solid waste that bauxite produces in raw material extracts alumina process, and one ton of aluminum oxide of every production, approximately produces 0.8~2 ton of red mud.The red mud producing according to extraction process difference is called Bayer process red mud, red mud from sintering process and integrated process red mud.The physical properties of red mud: particle diameter 0.088~0.25mm, proportion 2.7~2.9, unit weight 0.8~1,1200~1250 ℃ of fusing points.Red mud mineral composition is complicated, essential mineral is aragonite and calcite, and content is 60~65%, is secondly opal, gibbsite, pyrrhosiderite, what content was less is titanium ore, spathic iron ore, urao, water glass, sodium aluminate and caustic soda, and pH value is generally more than 13.
China's red mud comprehensive utilization recent two decades obtains the great attention of each side, carried out interdisciplinary, multi-field comprehensive utilization technique research work, but adopt on traditional wet process rotary kiln tooling and traditional dry-process rotory kiln tooling and method utilizing red mud to manufacture to be confined to completely aspect grog, facility investment is huge, complex process, and operating mode poor stability, energy consumption is also large, cost is high, and clinker quality is also difficult to stablize.
On the other hand, the phosphogypsum that phosphorous chemical industry produces reaches tens million of tons every year, finds the problem that Gou Diyishi enterprise has a headache very much of storing up.The coal gangue of coal mining enterprise is into mountain already to be piled up, and constantly produces secondary disaster, and even 100 yuan/ton of government subsidies are all difficult to effective processing.
In part provinces and regions, as Guizhou, red mud, phosphogypsum and coal gangue and carbide slag etc. are piled up simultaneously, have produced more serious water and soil and have polluted and secondary disaster.
On the energy-saving process method of comprehensive utilization red mud, phosphogypsum and bastard coal grog made of stones, there is no available change system, even and if investment reach the semi-wet method energy-saving technique requirement that the rotary kiln technology change system of several hundred million yuans also can not meet comprehensive utilization red mud, phosphogypsum and bastard coal grog made of stones.So, in the urgent need to a kind of effective change system with industrial competitiveness, synchronously to fully utilize the industrial residues such as red mud, phosphogypsum and coal gangue.
Utility model content
Technical problem to be solved in the utility model is, provides a kind of less investment, energy consumption is low, assembling is flexible, utilizes red mud, phosphogypsum and coal gangue, the semi-wet method tooling system of low cost production grog.
The utility model solves the problems of the technologies described above adopted technical scheme: a kind of change system that utilizes red mud, phosphogypsum and bastard coal grog made of stones, mainly comprises pellet storehouse, one-level dosing unit, grinding device, dry powder feed bin, wet feed storehouse, B grade mixture material device, rolles over mixing device, shaped device and roasting assembly; Described grain bin bottom is connected with one-level dosing unit; Described one-level dosing unit is connected with grinding device; Described grinding device is connected with dry powder feed bin; The bottom in the bottom of described dry powder feed bin and wet feed storehouse is connected with B grade mixture material device respectively; Described B grade mixture material device is connected with rolling mixing device; Described rolling mixing device is connected with shaped device; Described shaped device is connected with roasting assembly.
Further, described one-level dosing unit comprises gauger I and handling machinery I, and handling machinery I connects one-level dosing unit and grinding device.
Further, described grinding device comprises pulverizing mill and handling machinery II, and handling machinery II connects grinding device and dry powder feed bin.
Further, described B grade mixture material device comprises gauger II and handling machinery III, and handling machinery III connects B grade mixture material device and rolles over mixing device.
Further, described rolling mixing device comprises crushing mill and handling machinery IV, and handling machinery IV connects rolles over mixing device and shaped device.
Further, described shaped device comprises forming machine and handling machinery V, and handling machinery V connects shaped device and roasting assembly.
Further, described roasting assembly is piece pellet roasting assembly, comprises calcining furnace; Described calcining furnace is vertical furnace, tunnel furnace or annular kiln.
Further, described shaped device replaces with drying shredder assembly; Described oven dry shredder assembly comprises drying crusher and pipeline I, and pipeline I connects dries shredder assembly and roasting assembly; Described roasting assembly is dry-process rotory kiln roasting assembly, comprises preheating in rotary kiln device, pipeline II and rotary kiln, and pipeline II connects rotary kiln and preheating in rotary kiln device.
A set of complete equipment can be installed separately or be integrated into described pellet storehouse, one-level dosing unit, grinding device, dry powder feed bin, wet feed storehouse, B grade mixture material device, rolling mixing device, shaped device and roasting assembly; Or a set of complete equipment is installed separately or be integrated into described pellet storehouse, one-level dosing unit, grinding device, dry powder feed bin, wet feed storehouse, B grade mixture material device, rolling mixing device, oven dry shredder assembly and roasting assembly; Or also can combination with one another become independently equipment between neighboring devices: as pellet storehouse and one-level dosing unit are integrated into one-level batching unit, pellet storehouse, one-level dosing unit and grinding device are integrated into powder process unit, dry powder feed bin, wet feed storehouse, B grade mixture material device are integrated into B grade mixture material unit, roll over mixing device and shaped device and be integrated into processing unit (plant), or dry shredder assembly and roasting assembly is integrated into calcining unit etc.
Working process of the present utility model is: the piece granular feedstock in feed bin (coal gangue, pain phosphorus gypsum, the granular correction material of piece), after gauger I batching, is sent into grinding device by handling machinery I; Piece pellet carries out grinding through grinding device, and qualified powder is sent into dry powder feed bin through handling machinery II; In powder in dry powder feed bin (accept powder, finely powdered phosphogypsum, finely powdered are proofreaied and correct material) and wet feed storehouse, wet feed (moisture red mud), after gauger II batching, is sent into rolling mixing device by handling machinery III; Material in dry powder feed bin and wet feed storehouse is mixed into homogeneous containing after wet stock through rolling over mixing device spreading, by handling machinery IV, sends into shaped device; Shaping material is sent into roasting assembly through handling machinery V and is calcined, then cooling, obtains product grog.
Or the piece granular feedstock in feed bin (coal gangue, pain phosphorus gypsum, the granular correction material of piece), after gauger I batching, is sent into grinding device by handling machinery I; Piece pellet carries out grinding through grinding device, and qualified powder is sent into dry powder feed bin through handling machinery II; In powder in dry powder feed bin (accept powder, finely powdered phosphogypsum, finely powdered are proofreaied and correct material) and wet feed storehouse, wet feed (moisture red mud), after gauger II batching, is sent into rolling mixing device by handling machinery III; Material in dry powder feed bin and wet feed storehouse is mixed into homogeneous containing after wet stock through rolling over mixing device spreading, by handling machinery IV, sends into oven dry shredder assembly; The material of drying after fragmentation is sent into the preheating in rotary kiln device of roasting assembly through pipeline I, preheating in rotary kiln device is sent into material in rotary kiln and calcined by pipeline II, then cooling, obtains product grog.
The beneficial effects of the utility model:
(1) process unit is simple, invests littlely, and industrial scale is changeable, and semi-wet method technique is simple, and environmental issue is easy to process, and is beneficial to popularization.
(2) the high-early-strength grog production energy consumption of this change system production is low, end-use is wide, and value is higher, has industrial competitiveness, has good investment economy.
(3) assembling flexibly, broken through the framework restriction of traditional construction material change system, be convenient to fully utilize red mud, phosphogypsum and coal gangue, can be building materials production and save a large amount of clay resources and non-renewable fire coal, and can effectively dissolve waste pollutant red mud, phosphogypsum and coal gangue to the pollution of environment and prevent secondary disaster.
Accompanying drawing explanation
Fig. 1 is the structural representation (piece pellet roasting assembly for Bian) of the utility model embodiment 1.
Fig. 2 is the structural representation (Bian dry-process rotory kiln roasting assembly) of the utility model embodiment 2.
In figure: 1-pellet storehouse, 2-one-level dosing unit, 201-gauger I, 202-handling machinery I; 3-grinding device, 301-pulverizing mill, 302-handling machinery II, 4-dry powder feed bin, 5-wet feed storehouse, 6-B grade mixture material device, 601-gauger II, 602-handling machinery III, 7-rolles over mixing device, 701-crushing mill, 702-handling machinery IV, 8-shaped device, 801-forming machine, 802-handling machinery V, 9-is dried shredder assembly, 901-drying crusher, 902-pipeline I, 10-piece pellet roasting assembly, 11-dry-process rotory kiln roasting assembly, 1101-preheating in rotary kiln device, 1102-pipeline II, 1103-rotary kiln.
Embodiment
Below in conjunction with embodiment and accompanying drawing, the utility model is described in further detail.
embodiment 1
As shown in Figure 1, the present embodiment adopts the semi-wet method technique of piece pellet calcining, comprises pellet storehouse 1, one-level dosing unit 2, grinding device 3, dry powder feed bin 4, wet feed storehouse 5, B grade mixture material device 6, rolles over mixing device 7, shaped device 8 and piece pellet roasting assembly 10; 1 bottom, described pellet storehouse is connected with one-level dosing unit 2; Described one-level dosing unit 2 comprises gauger I 201 and handling machinery I 202, and handling machinery I 202 connects one-level dosing unit 2 and grinding device 3, and the interior solid piece pellet in pellet storehouse 1, after gauger I 201 batchings, is sent into grinding device 3 through handling machinery I 202; Described grinding device 3 comprises pulverizing mill 301 and handling machinery II 302, and handling machinery II 302 connects grinding device 3 and dry powder feed bin 4, and piece pellet carries out grinding through grinding device 3, and qualified powder is sent into dry powder feed bin 4 through handling machinery II 302; The bottom in the bottom of described dry powder feed bin 4 and wet feed storehouse 5 is connected with B grade mixture material device 6 respectively; Described B grade mixture material device 6 comprises gauger II 601 and handling machinery III 602, handling machinery III 602 connects B grade mixture material device 6 and rolles over mixing device 7, the interior wet feed of the interior powder of dry powder feed bin 4 and wet feed storehouse 5, after gauger II 601 batchings, is sent into and is rolled over mixing device 7 through handling machinery III 602; Described rolling mixing device 7 comprises crushing mill 701 and handling machinery IV 702, handling machinery IV 702 connects rolles over mixing device 7 and shaped device 8, material in dry powder feed bin 4 and wet feed storehouse 5 is mixed into homogeneous containing after wet stock through rolling over mixing device 7 spreadings, through handling machinery IV 702, sends into shaped device 8; Described shaped device 8 comprises forming machine 801 and handling machinery V 802, and handling machinery V 802 connects shaped devices 8 and piece pellet roasting assemblys 10, is configured as bulk, granular or bar-shaped material is sent into piece pellet roasting assembly 10 through handling machinery V 802 and calcined; Described pellet roasting assembly 10 is tunnel furnace, and molding materials is generated and take the grog that Dicalcium Phosphate (Feed Grade), calcium sulphoaluminate and sulphur calcium ferrite be essential mineral composition through 30min~48h calcining in 950~1350 ℃ of oxidizing atmospheres.
embodiment 2
As shown in Figure 2, the present embodiment adopts the calcining of dry-process rotory kiln technique, comprises pellet storehouse 1, one-level dosing unit 2, grinding device 3, dry powder feed bin 4, wet feed storehouse 5, B grade mixture material device 6, rolles over mixing device 7, dries shredder assembly 9 and dry-process rotory kiln roasting assembly 11; 1 bottom, described pellet storehouse is connected with one-level dosing unit 2; Described one-level dosing unit 2 comprises gauger I 201 and handling machinery I 202, and handling machinery I 202 connects one-level dosing unit 2 and grinding device 3, and the interior solid piece pellet in pellet storehouse 1, after gauger I 201 batchings, is sent into grinding device 3 through handling machinery I 202; Described grinding device 3 comprises pulverizing mill 301 and handling machinery II 302, and handling machinery II 302 connects grinding device 3 and dry powder feed bin 4, and piece pellet carries out grinding through grinding device 3, and qualified powder is sent into dry powder feed bin 4 through handling machinery II 302; The bottom in the bottom of described dry powder feed bin 4 and wet feed storehouse 5 is connected with B grade mixture material device 6 respectively; Described B grade mixture material device 6 comprises gauger II 601 and handling machinery III 602, handling machinery III 602 connects B grade mixture material device 6 and rolles over mixing device 7, the interior wet feed of the interior powder of dry powder feed bin 4 and wet feed storehouse 5, after gauger II 601 batchings, is sent into and is rolled over mixing device 7 through handling machinery III 602; Described rolling mixing device 7 comprises crushing mill 701 and handling machinery IV 702, handling machinery IV 702 connects rolles over mixing device 7 and shaped device 8, material in dry powder feed bin 4 and wet feed storehouse 5 is mixed into homogeneous containing after wet stock through rolling over mixing device 7 spreadings, through handling machinery IV 702, sends into and dries shredder assembly 9; Described oven dry shredder assembly 9 comprises drying crusher 901 and pipeline I 902, and pipeline I 902 connects dries shredder assembly 9 and dry-process rotory kiln roasting assembly 11, and the material of drying after fragmentation is sent into dry-process rotory kiln roasting assembly 11 through pipeline I 902; Described dry-process rotory kiln roasting assembly 11 comprises preheating in rotary kiln device 1101, pipeline II 1102 and rotary kiln 1103, pipeline II 1102 connects rotary kiln 1103 and preheating in rotary kiln device 1101, and preheating in rotary kiln device 1101 is sent into material in rotary kiln 1103 and calcined by pipeline II 1102; Described dry-process rotory kiln roasting assembly 11 generates the material from preheating in rotary kiln device 1101 to take the grog that Dicalcium Phosphate (Feed Grade), calcium sulphoaluminate and sulphur calcium ferrite be essential mineral composition through 15~30min calcining in the oxidizing atmosphere of 1250~1350 ℃.
Claims (8)
1. utilize the change system of red mud, phosphogypsum and bastard coal grog made of stones, mainly comprise pellet storehouse, one-level dosing unit, grinding device, dry powder feed bin, wet feed storehouse, B grade mixture material device, roll over mixing device, shaped device and roasting assembly, it is characterized in that: described grain bin bottom is connected with one-level dosing unit; Described one-level dosing unit is connected with grinding device; Described grinding device is connected with dry powder feed bin; The bottom in the bottom of described dry powder feed bin and wet feed storehouse is connected with B grade mixture material device respectively; Described B grade mixture material device is connected with rolling mixing device; Described rolling mixing device is connected with shaped device; Described shaped device is connected with roasting assembly.
2. the change system that utilizes according to claim 1 red mud, phosphogypsum and bastard coal grog made of stones, is characterized in that: described one-level dosing unit comprises gauger I and handling machinery I, and handling machinery I connects one-level dosing unit and grinding device.
3. according to the change system that utilizes red mud, phosphogypsum and bastard coal grog made of stones described in claim 1 or 2, it is characterized in that: described grinding device comprises pulverizing mill and handling machinery II, handling machinery II connects grinding device and dry powder feed bin.
4. according to the change system that utilizes red mud, phosphogypsum and bastard coal grog made of stones described in claim 1 or 2, it is characterized in that: described B grade mixture material device comprises gauger II and handling machinery III, handling machinery III connects B grade mixture material device and rolles over mixing device.
5. according to the change system that utilizes red mud, phosphogypsum and bastard coal grog made of stones described in claim 1 or 2, it is characterized in that: described rolling mixing device comprises crushing mill and handling machinery IV, handling machinery IV connects rolles over mixing device and shaped device.
6. according to the change system that utilizes red mud, phosphogypsum and bastard coal grog made of stones described in claim 1 or 2, it is characterized in that: described shaped device comprises forming machine and handling machinery V, handling machinery V connects shaped device and roasting assembly.
7. according to the change system that utilizes red mud, phosphogypsum and bastard coal grog made of stones described in claim 1 or 2, it is characterized in that: described roasting assembly is piece pellet roasting assembly, comprises calcining furnace; Described calcining furnace is vertical furnace, tunnel furnace or annular kiln.
8. according to the change system that utilizes red mud, phosphogypsum and bastard coal grog made of stones described in claim 1 or 2, it is characterized in that: described shaped device replaces with drying shredder assembly; Described oven dry shredder assembly comprises drying crusher and pipeline I, and pipeline I connects dries shredder assembly and roasting assembly; Described roasting assembly is dry-process rotory kiln roasting assembly, comprises preheating in rotary kiln device, pipeline II and rotary kiln, and pipeline II connects rotary kiln and preheating in rotary kiln device.
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CN201420367319.3U CN203923025U (en) | 2014-07-04 | 2014-07-04 | Utilize the change system of red mud, phosphogypsum and bastard coal grog made of stones |
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CN201420367319.3U CN203923025U (en) | 2014-07-04 | 2014-07-04 | Utilize the change system of red mud, phosphogypsum and bastard coal grog made of stones |
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Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN104071996A (en) * | 2014-07-04 | 2014-10-01 | 尹小林 | Assembly system for preparing clinker from red mud, phosphogypsum and coal gangue |
CN105601137A (en) * | 2016-03-01 | 2016-05-25 | 北京中岩大地科技股份有限公司 | Equipment and method for producing cementitious material with at least two kinds of powder |
-
2014
- 2014-07-04 CN CN201420367319.3U patent/CN203923025U/en not_active Withdrawn - After Issue
Cited By (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN104071996A (en) * | 2014-07-04 | 2014-10-01 | 尹小林 | Assembly system for preparing clinker from red mud, phosphogypsum and coal gangue |
CN104071996B (en) * | 2014-07-04 | 2016-06-01 | 尹小林 | A kind of change system utilizing red mud, phosphogypsum and coal gangue grog |
CN105601137A (en) * | 2016-03-01 | 2016-05-25 | 北京中岩大地科技股份有限公司 | Equipment and method for producing cementitious material with at least two kinds of powder |
CN105601137B (en) * | 2016-03-01 | 2017-12-22 | 北京中岩大地科技股份有限公司 | Utilize the device and method of at least two power production binder materials |
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Granted publication date: 20141105 Effective date of abandoning: 20160601 |
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