CN214782053U - Cold-pressed ball production line based on caustic soda return mine - Google Patents
Cold-pressed ball production line based on caustic soda return mine Download PDFInfo
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- CN214782053U CN214782053U CN202121261059.8U CN202121261059U CN214782053U CN 214782053 U CN214782053 U CN 214782053U CN 202121261059 U CN202121261059 U CN 202121261059U CN 214782053 U CN214782053 U CN 214782053U
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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
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- Y02P—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION OR PROCESSING OF GOODS
- Y02P10/00—Technologies related to metal processing
- Y02P10/20—Recycling
Abstract
The utility model relates to the technical field of recycling of blast furnace ironmaking materials, in particular to a cold-pressed ball production line based on caustic soda return mine, which comprises a raw material storage module, a material stirring device, a cold-pressed ball production device, a bonding agent bin, a screening device, a drying module and a finished product area; the raw material storage module is connected with the material stirring device through a belt conveyor, the adhesive bin is connected with the material stirring device through a belt conveyor, the material stirring device is connected with the cold-pressed ball production device through a belt conveyor, the cold-pressed ball production device is connected with the screening device through a belt conveyor, the screening device is connected with the drying module through a belt conveyor, and the drying module is connected with the finished product area through a belt conveyor. The method can realize resource recycling of the caustic soda return ores, the iron concentrate and the steel slag powder, reduce environmental pollution and reduce energy consumption.
Description
Technical Field
The utility model relates to a blast furnace ironmaking material cyclic utilization technical field particularly, is a cold ball production line based on caustic soda return mine.
Background
Cold-pressed pellets, i.e., cold-bonded pellets, are pellets having sufficient strength produced by adding a suitable binder, briquetting fine ore with a powerful ball press, and curing for a certain period of time. Briquetting and curing are carried out at normal temperature, and the briquetting and curing process is a commonly applied briquetting process.
In the production process of the blast furnace, about 10 percent of caustic soda return ores can be generated, and the sintered ores with the grain size of more than 5mm under the blast furnace can be directly used as finished products for smelting. However, because of the problems of the finished product sieve, the size of the sieve under the channel, the sieving efficiency and the like, the return ores cannot be completely sintered ores with the grain size of more than 5mm, so that small-grain-size sintered ores occupying a large proportion in the blast furnace return ores can be sent to a sintering plant and then returned to a blast furnace ore tank after the processes of mixing, sintering and the like, but the return ores return to and from an iron-making plant and the sintering plant, the sintering process is repeated, the production cost is greatly increased, and the energy consumption is increased.
The small-grain-grade sinter is returned to the blast furnace after being subjected to cold consolidation forming, so that the resource recycling is realized, the environmental pollution is reduced, and the energy consumption is reduced. The cold consolidation forming process is that various dusts generated in the steel production process are added with proper adhesives, after being mixed uniformly, the mixed materials are pressed into blocky materials with certain shape, size, density and strength under certain pressure, and then the blocky materials are baked, dried or naturally consolidated correspondingly to form blocks with higher strength. But the baking and drying increase the energy consumption, the production cost is higher and have certain environmental pollution, although the natural drying process has no energy consumption, the pellet drying speed is slower and the function of the binder is not well exerted, the strength is improved slowly, the water content of the pellet cannot be effectively reduced, the metallurgical effect of the product is greatly reduced, and the required natural airing field is larger.
Disclosure of Invention
In view of this, the utility model aims at providing a cold ball production line based on caustic soda return mine can realize resource recovery with caustic soda return mine, fine iron powder and slag powder, has reduced environmental pollution, has reduced energy resource consumption.
In order to achieve the above purpose, the utility model provides a following technical scheme:
the utility model provides a cold-pressed ball production line based on caustic soda return mine, which comprises a raw material storage module, a material stirring device, a cold-pressed ball production device, a bonding agent bin, a screening device, a drying module and a finished product area;
the raw material storage module comprises a first raw material bin, a second raw material bin and a third raw material bin which are used for storing different raw materials respectively, the first raw material bin, the second raw material bin and the third raw material bin are connected with the material stirring device through belt conveyors, the material stirring device is connected with the cold-pressed ball production device through belt conveyors, the cold-pressed ball production device is connected with the screening device through belt conveyors, the screening device is connected with the drying module through belt conveyors, and the drying module is connected with the finished product area through belt conveyors.
Furthermore, the cold-pressed ball production system also comprises a double-shaft stirrer and a middle buffer bin which are connected by a belt conveyor, and the middle buffer bin is connected with the material stirring device by the belt conveyor.
Further, the cold-pressed ball production system also comprises an adhesive bin for storing adhesive, and the adhesive bin is connected with the material stirring device through a belt conveyor.
Furthermore, the drying module comprises a turning plate dryer and a combustion furnace for providing heat for the turning plate dryer, and the turning plate dryer is connected with the screening device through a belt conveyor.
Further, a first bar screen for screening the semi-finished cold-pressed balls is arranged at the feed inlet end of the turnover plate dryer, a dry powder belt conveyor for conveying dry powder is arranged below the first bar screen, a spiral ash conveyor is arranged below the discharge end of the dry powder belt conveyor, and a belt conveyor for conveying the semi-finished cold-pressed balls to a storage area is arranged on one side of the first bar screen.
Further, a belt scale is arranged between the raw material storage module and the material stirring device.
Further, the cold-pressed ball production device adopts a ball press machine, the material stirring device adopts a mixer, and the screening device adopts a bar screen.
Further, the second bar screen comprises a bar screening surface for screening, a guide chute is arranged below the bar screening surface, and a material returning opening is formed in the lower end of the guide chute.
Furthermore, a material returning belt conveyor is arranged between the cold-pressed ball production device and the screening device and is positioned below the material returning opening.
Furthermore, the cold-pressed ball production system further comprises a raw material stacking area, a binder production area and a dust remover for removing dust, wherein the raw material stacking area is arranged beside the raw material storage module, and a spare part warehouse is arranged beside the raw material stacking area.
The beneficial effects of the utility model reside in that:
during production, raw materials and adhesives are conveyed to a material stirring device from a raw material storage module through a belt conveyor, the adhesives with proper dosage are added for uniform stirring, after uniform stirring, the materials are conveyed to a cold-pressed ball production device through the belt conveyor for ball pressing treatment, the pelletized materials enter a drying module for drying, and finally are conveyed to a finished product area through the belt conveyor for storage, so that the raw materials such as caustic soda return ores and iron concentrate can be recycled, the environmental pollution is reduced, and the energy consumption is reduced.
Drawings
In order to make the purpose, technical scheme and beneficial effect of the utility model clearer, the utility model provides a following figure explains:
FIG. 1 is a plan view of an embodiment of a cold-pressed ball production line based on caustic return ores of the utility model;
FIG. 2 is a general schematic diagram of a drying module;
FIG. 3 is a top view of the drying module;
FIG. 4 is a cross-sectional view of a drying module;
FIG. 5 is an enlarged view of A in FIG. 1;
figure 6 is a process flow diagram of a cold-pressed ball production line based on caustic return fines.
Description of reference numerals:
1-a raw material storage module; 2-a material stirring device; 3-a cold-pressed ball production device; 4-adhesive bin; 5-a second bar screen; 51-bar screening surface; 52-a material guide groove; 6-drying the module; 61-flap dryer; 62-a combustion furnace; 7-a dust remover; 8-intermediate buffer bin; 9-returning the material belt conveyer; 10-a raw material stacking zone; 11-spare part storeroom; 12-an adhesive production zone; 13-a first bar screen; 14-dry powder belt conveyor; 15-spiral ash conveyer; 16-the finished product area.
Detailed Description
The present invention will be further described with reference to the accompanying drawings and specific embodiments so that those skilled in the art can better understand the present invention and can implement the present invention, but the embodiments are not to be construed as limiting the present invention.
As shown in fig. 1, for the utility model relates to a plane schematic diagram of cold ball production line embodiment based on caustic soda return, the cold ball production system of this embodiment includes raw materials storage module 1, material mixing device 2, cold ball apparatus for producing 3, adhesive storehouse 4, screening plant, drying module 6 and finished product district 16. Specifically, the raw material storage module in this embodiment includes a first raw material bin, a second raw material bin and a third raw material bin for storing different raw materials, the first raw material bin, the second raw material bin and the third raw material bin are respectively used for storing return caustic soda, iron concentrate and steel slag powder, the first raw material bin, the second raw material bin and the third raw material bin are connected with the material stirring device 2 by a belt conveyor, the material stirring device 2 adopts a mixer, the cold-pressed ball production device 3 adopts a ball press machine, and the screening device adopts a second bar screen 5;
the raw material storage module 1 is connected with the material stirring device 2 through a belt conveyor, the adhesive bin 4 is connected with the material stirring device 2 through the belt conveyor, the material stirring device 2 is connected with the cold-pressed ball production device 3 through the belt conveyor, the cold-pressed ball production device 3 is connected with the screening device through the belt conveyor, the screening device is connected with the drying module 6 through the belt conveyor, and the drying module 6 is connected with the finished product area 16 through the belt conveyor.
Specifically, in this embodiment, the cold-pressed ball production system further includes a double-shaft mixer and an intermediate buffer bin 8 connected by a belt conveyor, the intermediate buffer bin 8 is connected with the material mixing device 2 by the belt conveyor, the intermediate buffer bin 8 is a funnel-shaped bin body with an opening at the upper end, the lower end of the intermediate buffer bin 8 is also provided with a discharge opening capable of controlling opening and closing, the raw materials are conveyed to the opening at the upper end of the intermediate buffer bin 8 through a first raw material bin, a second raw material bin and a third raw material bin, and the feed opening at the lower end is over against the belt conveyor, so that the raw materials are conveyed into the mixer for further mixing and blending;
the adhesive bins 4 are also arranged into funnel-shaped bin bodies with openings at the upper and lower parts, wherein the openings at the lower ends can be controlled to be opened and closed, two adhesive bins 4 are arranged in the embodiment, and a belt conveyor leading to a feed port of the mixer is correspondingly arranged below the opening at the lower end of each adhesive bin 4;
a funnel-shaped receiving port is formed above the ball press, the discharge ends of the belt conveyors for conveying materials in the raw material storage module 1 and the adhesive bin 4 are both positioned above the receiving port, so that the materials can be conveniently received, a discharge port is formed below the ball press, and the belt conveyors for conveying the materials subjected to ball press treatment to the second bar screen 5 are arranged below the discharge port;
as shown in fig. 2-4, the drying module 6 of this embodiment includes a flap dryer 61 and a combustion furnace 62 for providing heat to the flap dryer 61, a hot air outlet is provided on the combustion furnace 62, the hot air outlet introduces hot air into the flap dryer 61 to dry the cold-pressed balls, the flap dryer 61 is connected to the second bar screen 5 by a belt conveyor, a first bar screen 13 for screening the semi-finished cold-pressed balls is provided at an inlet end of the flap dryer 61, a dry powder belt conveyor for transporting dry powder is provided below the bar screen, a spiral ash conveyor 15 is provided below a discharge end of the dry powder belt conveyor, and a belt conveyor for transporting the semi-finished cold-pressed balls to a finished product area 16 is provided at one side of the first bar screen 13.
Further, be equipped with the belt weigher between raw materials storage module 1 of this embodiment and material mixing device 2, can be used for weighing different materials, be convenient for set up the ratio between different materials.
Further, the second bar screen 5 of this embodiment includes the bar screening surface 51 that is used for the screening, and bar screening surface 51 below is equipped with baffle box 52, and the baffle box 52 lower extreme is equipped with the returning charge opening, is equipped with returning charge belt feeder 9 between cold-pressed ball apparatus for producing 3 and the screening plant, and returning charge belt feeder 9 is located the below of returning charge opening. Specifically, as shown in fig. 5, the bars are arranged on the bar screening surface 51 in the embodiment in an array manner, the bar screening surface 51 is arranged in an inclined manner, the lower end of the bar screening surface faces a belt conveyor used for conveying cold-pressed balls to a drying device, a material returning opening at the end of the material guide chute 52 faces the upper side of the material returning belt conveyor 9, and the discharge end of the material returning belt conveyor 9 is located above a material receiving opening of the ball press machine, so that the defective products can be processed by pressing balls again.
Further, the cold-pressed ball production system of this embodiment further includes a raw material stacking area 10, an adhesive production area 12, and a dust collector 7 for removing dust, where the raw material stacking area 10 is disposed beside the raw material storage module 1, and a spare part warehouse 11 is disposed beside the raw material stacking area 10. The raw material stacking area 10 is used for stacking raw materials of different cold-pressed balls, the adhesive production area 12 is used for producing adhesive, the dust remover 7 is arranged on the periphery of the system and used for treating dust generated in operation, and the spare part storehouse 11 is arranged to facilitate timely replacement and treatment when equipment or various parts are damaged.
The above-mentioned embodiments are merely preferred embodiments for fully illustrating the present invention, and the scope of the present invention is not limited thereto. Equivalent substitutes or changes made by the technical personnel in the technical field on the basis of the utility model are all within the protection scope of the utility model. The protection scope of the present invention is subject to the claims.
Claims (10)
1. The utility model provides a cold ball production line based on caustic soda return mine which characterized in that: comprises a raw material storage module (1), a material stirring device (2), a cold-pressed ball production device (3), a screening device, a drying module (6) and a finished product area (16);
the raw material storage module (1) comprises a first raw material bin, a second raw material bin and a third raw material bin which are used for storing different raw materials respectively, the first raw material bin, the second raw material bin and the third raw material bin are connected with the material stirring device (2) through belt conveyors, the material stirring device (2) is connected with the cold-pressed ball production device (3) through belt conveyors, the cold-pressed ball production device (3) is connected with the screening device through belt conveyors, the screening device is connected with the drying module (6) through belt conveyors, and the drying module (6) is connected with the finished product area (16) through belt conveyors.
2. The cold-pressed ball production line based on caustic return ores of claim 1, wherein: the cold-pressed ball production system further comprises a double-shaft stirrer and an intermediate buffer bin (8) which are connected through a belt conveyor, and the intermediate buffer bin (8) is connected with the material stirring device (2) through the belt conveyor.
3. The cold-pressed ball production line based on caustic return ores of claim 1, wherein: the cold-pressed ball production system further comprises an adhesive bin (4) for storing adhesive, and the adhesive bin (4) is connected with the material stirring device (2) through a belt conveyor.
4. The cold-pressed ball production line based on caustic return ores of claim 1, wherein: the drying module (6) comprises a flap dryer (61) and a combustion furnace (62) for providing heat for the flap dryer (61), and the flap dryer (61) is connected with the screening device through a belt conveyor.
5. The cold-pressed ball production line based on caustic return ores of claim 4, wherein: the plate turning dryer is characterized in that a first bar screen (13) used for screening semi-finished cold-pressed balls is arranged at the feed inlet end of the plate turning dryer (61), a dry powder belt conveyor (14) used for conveying dry powder is arranged below the first bar screen (13), a spiral ash conveyor (15) is arranged below the discharge end of the dry powder belt conveyor (14), and a belt conveyor used for conveying the semi-finished cold-pressed balls to a storage area is arranged on one side of the first bar screen (13).
6. The cold-pressed ball production line based on caustic return ores of claim 1, wherein: a belt scale is arranged between the raw material storage module (1) and the material stirring device (2).
7. The cold-pressed ball production line based on caustic return ores of claim 1, wherein: the cold-pressed ball production device (3) adopts a ball press machine, the material stirring device (2) adopts a mixer, and the screening device adopts a second bar screen (5).
8. The cold-pressed ball production line based on caustic return fines of claim 7, wherein: the second bar screen (5) comprises a bar screening surface (51) for screening, a material guide groove (52) is arranged below the bar screening surface (51), and a material returning opening is formed in the lower end of the material guide groove (52).
9. The cold-pressed ball production line based on caustic return fines of claim 8, wherein: a material returning belt conveyor (9) is arranged between the cold-pressed ball production device (3) and the screening device, and the material returning belt conveyor (9) is positioned below the material returning opening.
10. The cold-pressed ball production line based on caustic return ores of claim 1, wherein: the cold-pressed ball production system further comprises a raw material stacking area (10), a binder production area (12) and a dust remover (7) for removing dust, wherein the raw material stacking area (10) is arranged beside the raw material storage module (1), and a spare part warehouse (11) is arranged beside the raw material stacking area (10).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202121261059.8U CN214782053U (en) | 2021-06-07 | 2021-06-07 | Cold-pressed ball production line based on caustic soda return mine |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202121261059.8U CN214782053U (en) | 2021-06-07 | 2021-06-07 | Cold-pressed ball production line based on caustic soda return mine |
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| Publication Number | Publication Date |
|---|---|
| CN214782053U true CN214782053U (en) | 2021-11-19 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202121261059.8U Active CN214782053U (en) | 2021-06-07 | 2021-06-07 | Cold-pressed ball production line based on caustic soda return mine |
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| CN (1) | CN214782053U (en) |
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2021
- 2021-06-07 CN CN202121261059.8U patent/CN214782053U/en active Active
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