CN211227270U - Compact dust removal ball pressing treatment system - Google Patents
Compact dust removal ball pressing treatment system Download PDFInfo
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- CN211227270U CN211227270U CN201921857906.XU CN201921857906U CN211227270U CN 211227270 U CN211227270 U CN 211227270U CN 201921857906 U CN201921857906 U CN 201921857906U CN 211227270 U CN211227270 U CN 211227270U
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Abstract
A compact dust removal dust ball pressing treatment system relates to the technical field of resource recycling. The compact dedusting ash ball pressing treatment system comprises a ball pressing system, a dedusting ash digestion system, an iron-containing mixed material and binder distribution system, wherein the dedusting ash digestion system and the iron-containing mixed material and binder distribution system are respectively connected with the ball pressing system; the iron-containing material mixing and binder distribution system comprises at least one iron-containing material mixing bin, a vibrating screen, a first scraper conveyor and a binder bin which are sequentially connected, and a first spiral weighing feeder which is used for conveying materials in the binder bin to the first scraper conveyor; the ball pressing system comprises a first bucket lifting machine, a mixing device, a second bucket lifting machine, a ball pressing buffering bucket and a ball pressing machine which are sequentially connected, and further comprises a roller screen for screening and conveying materials of the ball pressing machine and a second scraper conveyor for conveying the undersize materials of the roller screen to the first scraper conveyor. The compact dust removal dust ball pressing treatment system has the advantages of compact structure, small occupied space, environmental protection and low energy consumption.
Description
Technical Field
The application relates to the field of resource recycling, in particular to a compact dust removal ball pressing treatment system.
Background
A large amount of dust can be generated in the production process of steel making, the dust contains a certain amount of valuable elements such as iron and the like and has a certain utilization value, but the zinc contained in the dust can not be recycled for ironmaking treatment, and along with the rising of ore price, the increase of solid waste treatment price and the increasing importance of the country on the environmental protection problem, the recycling equipment and method of the dust are widely regarded.
The existing method for recycling the fly ash mainly considers recycling the metal elements in the dust, namely, the metal oxides in the dust are reduced by carbon, and mainly comprises an Inmetco method, a SPM method, a Wealz rotary kiln process, a rotary hearth furnace method and the like, wherein the cold-pressed pellet of the fly ash and then the re-furnace treatment are relatively economical treatment methods, and the pellet pressed by the fly ash is reduced by using the existing reduction furnace (the existing blast furnace, the existing converter or the existing electric furnace of a steel mill) without increasing reduction equipment and accessory facilities thereof, so that the aim of recycling the metal elements by reduction is fulfilled.
Therefore, there is a need for a fly ash pellet manufacturing system that has a small footprint, is environmentally friendly, has a low investment cost, and has a high operating efficiency.
SUMMERY OF THE UTILITY MODEL
The application aims to provide a compact dust removal dust ball pressing treatment system which has the advantages of compact structure, small occupied space, environmental protection and low energy consumption.
The embodiment of the application is realized as follows:
the embodiment of the application provides a compact fly ash ball pressing treatment system, which comprises a fly ash digestion system for digesting and conveying fly ash, an iron-containing mixed material and binder distribution system for conveying the iron-containing mixed material and binder, and a ball pressing system; the iron-containing mixed material and binder distribution system comprises at least one iron-containing mixed material bin, a vibrating grid screen for screening materials in the iron-containing mixed material bin, a first scraper conveyor for conveying materials under the vibrating grid screen, a binder bin for storing a binder, and a first spiral weighing feeder for conveying the materials in the binder bin to the first scraper conveyor; the ball pressing system comprises a first bucket elevator for lifting conveying materials of a dedusting ash digestion system and conveying materials of a first scraper conveyor, a mixing device for mixing the conveying materials of the first bucket elevator, a second bucket elevator for lifting conveying materials of the mixing device, a ball pressing buffering bucket for receiving the lifting materials of the second bucket elevator, a ball pressing machine for receiving and extruding the materials in the ball pressing buffering bucket, a roller screen for receiving and screening the conveying materials of the ball pressing machine and a second scraper conveyor for conveying the undersize materials of the roller screen to the first scraper conveyor.
In some optional embodiments, the fly ash digestion system comprises at least one ash storage bin, star feeders connected with the ash storage bins in a one-to-one correspondence, a first screw conveyor for receiving the materials conveyed by each star feeder, a third bucket elevator for elevating the materials conveyed by the first screw conveyor, a humidifier for wetting and conveying the materials lifted by the third bucket elevator, and at least one digestion bin for storing and digesting the materials conveyed by the humidifier.
In some optional embodiments, the top of the ash storage bin and the top of the digestion bin are respectively provided with a bin top dust remover.
In some optional embodiments, a plurality of second screw conveyors are connected to the bottom of each digestion bin, and the fly ash digestion system further comprises a third screw conveyor connected with each second screw conveyor and a second screw weighing feeder for receiving the material conveyed by the third screw conveyor and conveying the material to the first bucket elevator.
In some alternative embodiments, the bottom of each ash storage bin is provided with a vibrating hopper for screening the material.
In some optional embodiments, the fly ash digestion system further comprises a fourth screw conveyor for receiving the humidifier-conveyed material and conveying to each digestion bin.
In some optional embodiments, the humidifier comprises a main water delivery pipe of the casing in which the humidification chamber is arranged and a screw rod rotatably arranged in the humidification chamber, the two ends of the casing are respectively provided with a feed port and a discharge port, and the main water delivery pipe is connected with a plurality of branch water delivery pipes penetrating into the humidification chamber.
In some alternative embodiments, the mixing device includes a fifth screw conveyor for receiving and conveying the first hopper lift material, a mixing bin for receiving the fifth screw conveyor conveying the material, a first mixer for receiving and mixing the material in the mixing bin, and a second mixer for mixing and conveying the material in the first mixer to the second hopper lift.
In some alternative embodiments, the ball press system further comprises a sixth screw conveyor for receiving the second hopper lift material and conveying to the ball press buffer hopper.
In some alternative embodiments, the iron-containing reference material and binder dispensing system further comprises a belt weigh feeder for weighing and conveying the undersize material to the first scraper conveyor.
The beneficial effect of this application is: the compact fly ash ball pressing treatment system comprises a fly ash digestion system for digesting and conveying fly ash, an iron-containing mixed material and binder distribution system for conveying the iron-containing mixed material and binder, and a ball pressing system; the iron-containing mixed material and binder distribution system comprises at least one iron-containing mixed material bin, a vibrating grid screen for screening materials in the iron-containing mixed material bin, a first scraper conveyor for conveying materials under the vibrating grid screen, a binder bin for storing a binder, and a first spiral weighing feeder for conveying the materials in the binder bin to the first scraper conveyor; the ball pressing system comprises a first bucket elevator for lifting conveying materials of a dedusting ash digestion system and conveying materials of a first scraper conveyor, a mixing device for mixing the conveying materials of the first bucket elevator, a second bucket elevator for lifting conveying materials of the mixing device, a ball pressing buffering bucket for receiving the lifting materials of the second bucket elevator, a ball pressing machine for receiving and extruding the materials in the ball pressing buffering bucket, a roller screen for receiving and screening the conveying materials of the ball pressing machine and a second scraper conveyor for conveying the undersize materials of the roller screen to the first scraper conveyor. The compact dust removal ball pressing treatment system provided by the embodiment of the application can effectively utilize compact space installation to install each component device, thereby forming a dust removal ash recycling system which is controlled to be concentrated, easy to maintain and compact in structure in a narrow space, and effectively reducing the occupied cost of a factory building.
Drawings
In order to more clearly illustrate the technical solutions of the embodiments of the present application, the drawings that are required to be used in the embodiments will be briefly described below, it should be understood that the following drawings only illustrate some embodiments of the present application and therefore should not be considered as limiting the scope, and for those skilled in the art, other related drawings can be obtained from the drawings without inventive effort.
FIG. 1 is a flow chart of an apparatus of a compact fly ash ball treatment system according to an embodiment of the present disclosure;
FIG. 2 is a top view of a compact fly ash ball treatment system provided by an embodiment of the present application;
FIG. 3 is a cross-sectional view taken along line A-A of FIG. 2;
FIG. 4 is a cross-sectional view taken along line B-B of FIG. 2;
FIG. 5 is a cross-sectional view taken along line C-C of FIG. 2;
fig. 6 is a schematic structural diagram of a humidifier in a compact fly ash ball processing system according to an embodiment of the present application.
In the figure: 100. an ash storage bin; 101. vibrating the hopper; 102. a flat valve; 110. a star-shaped feeder; 120. a first screw conveyor; 130. a third bucket elevator; 140. a humidifier; 141. A housing; 142. a humidification chamber; 143. a screw; 144. a water delivery main pipe; 145. a feed inlet; 146. a discharge port; 147. a water delivery branch pipe; 150. a digestion bin; 160. a dust remover at the top of the bin; 170. a second screw conveyor; 180. a third screw conveyor; 181. a fourth screw conveyor; 190. a second screw weighing feeder; 200. a material bin containing iron ginseng; 210. vibrating the lattice screen; 220. a first scraper conveyor; 230. a binder bin; 240. a first screw weighing feeder; 250. a belt type weighing feeder; 300. a first bucket elevator; 310. a mixing device; 311. A fifth screw conveyor; 312. a mixing bin; 313. a first mixer; 314. a second mixer; 320. a second bucket elevator; 330. a ball pressing buffer hopper; 340. pressing a ball machine; 350. rolling and screening; 360. a second scraper conveyor; 370. a sixth screw conveyor.
Detailed Description
In order to make the objects, technical solutions and advantages of the embodiments of the present application clearer, the technical solutions in the embodiments of the present application will be clearly and completely described below with reference to the drawings in the embodiments of the present application, and it is obvious that the described embodiments are some embodiments of the present application, but not all embodiments. The components of the embodiments of the present application, generally described and illustrated in the figures herein, can be arranged and designed in a wide variety of different configurations.
Thus, the following detailed description of the embodiments of the present application, presented in the accompanying drawings, is not intended to limit the scope of the claimed application, but is merely representative of selected embodiments of the application. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present application.
It should be noted that: like reference numbers and letters refer to like items in the following figures, and thus, once an item is defined in one figure, it need not be further defined and explained in subsequent figures.
In the description of the present application, it should be noted that the terms "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer", and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings or orientations or positional relationships that the products of the application usually place when in use, and are used only for convenience in describing the present application and simplifying the description, but do not indicate or imply that the devices or elements being referred to must have a specific orientation, be constructed and operated in a specific orientation, and thus, should not be construed as limiting the present application. Furthermore, the terms "first," "second," "third," and the like are used solely to distinguish one from another and are not to be construed as indicating or implying relative importance.
Furthermore, the terms "horizontal", "vertical", "overhang" and the like do not imply that the components are required to be absolutely horizontal or overhang, but may be slightly inclined. For example, "horizontal" merely means that the direction is more horizontal than "vertical" and does not mean that the structure must be perfectly horizontal, but may be slightly inclined.
In the description of the present application, it is further noted that, unless expressly stated or limited otherwise, the terms "disposed," "mounted," "connected," and "connected" are to be construed broadly, e.g., as meaning either a fixed connection, a removable connection, or an integral connection; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meaning of the above terms in the present application can be understood in a specific case by those of ordinary skill in the art.
In this application, unless expressly stated or limited otherwise, the first feature "on" or "under" the second feature may comprise direct contact of the first and second features, or may comprise contact of the first and second features not directly but through another feature in between. Also, the first feature being "on," "above" and "over" the second feature includes the first feature being directly on and obliquely above the second feature, or merely indicating that the first feature is at a higher level than the second feature. A first feature being "under," "below," and "beneath" a second feature includes the first feature being directly under and obliquely below the second feature, or simply meaning that the first feature is at a lesser elevation than the second feature.
The features and properties of the present application are described in further detail below with reference to examples.
As shown in fig. 1, 2, 3, 4, 5 and 6, embodiments of the present application provide a compact fly ash pelletizing system that includes a fly ash digestion system for digesting and conveying fly ash, an iron-containing reference material and binder delivery system for delivering iron-containing reference material and binder, and a pelletizing system for receiving and pelletizing materials delivered by the fly ash digestion system and the iron-containing reference material and binder delivery system; wherein:
the dedusting ash digestion system comprises two ash storage bins 100, a vibrating hopper 101 for screening materials, a flat valve 102 for controlling material flow and a star-shaped feeder 110 for conveying materials are sequentially connected at a discharge port at the bottom of each ash storage bin 100, discharge ports of the star-shaped feeders 110 are respectively connected with a first screw conveyer 120 for conveying materials, a discharge port of the first screw conveyer 120 is connected with a feed port at the bottom of a third bucket elevator 130 for lifting materials, a discharge port at the top of the third bucket elevator 130 is connected with a humidifier 140, the humidifier 140 comprises a shell 141 water conveying main pipe 144 provided with a humidifying cavity 142 and a screw 143 rotatably arranged in the humidifying cavity 142, a feed port 145 and a discharge port 146 connected with a discharge port of the third bucket elevator 130 are respectively arranged at two ends of the shell 141, the water conveying main pipe 144 is connected with three water conveying branch pipes 147 penetrating into the humidifying cavity 142, a discharge port 146 of the humidifier 140 is connected with a feed port of a fourth screw conveyor 181, a discharge port of the fourth screw conveyor 181 is respectively connected with feed ports at the tops of two digestion bins 150 for digesting dust, the digestion bin 150 is located below the fourth screw conveyor 181, nine second screw conveyors 170 arranged in parallel are arranged at the bottom of each digestion bin 150, one end of each second screw conveyor 170 is connected with the digestion bin 150, a third screw conveyor 180 connected with the other end of each second screw conveyor 170 is further arranged below the digestion bin 150, and a discharge port of the third screw conveyor 180 is connected with a feed port of a second screw weighing feeder 190; the top of the ash storage bin 100 and the top of the digestion bin 150 are respectively provided with a bin top dust remover 160.
The iron-containing blending and binder distribution system comprises an iron-containing blending bin 200, a vibrating screen 210 used for screening materials in the iron-containing blending bin 200 is arranged below the iron-containing blending bin 200, a belt weighing feeder 250 used for weighing and conveying materials below the vibrating screen 210 is arranged below the vibrating screen 210, a first scraper conveyor 220 used for conveying the materials is arranged in a matching mode at the output end of the belt weighing feeder 250, a binder bin 230 used for storing a binder and a first spiral weighing feeder 240 with a feed inlet connected with a discharge port at the bottom of the binder bin 230 are arranged above the middle of the first scraper conveyor 220, and a discharge port of the first spiral weighing feeder 240 is located above the first scraper conveyor 220.
The ball pressing system comprises a first bucket elevator 300, the feed inlets at the bottom of the first bucket elevator 300 are respectively used for receiving materials conveyed by a first scraper conveyor 220 and a second spiral weighing feeder 190, the discharge outlet at the top of the first bucket elevator 300 is connected with a mixing device 310 for mixing the materials, the mixing device 310 comprises a fifth spiral conveyor 311 with the feed inlet connected with the discharge outlet of the first bucket elevator 300, the discharge outlet of the fifth spiral conveyor 311 is connected with a mixing bin 312, the discharge outlet at the bottom of the mixing bin 312 is connected with the feed inlet of a first mixer 313 for mixing the materials, the discharge outlet of the first mixer 313 is connected with the feed inlet of a second mixer 314, the discharge outlet of the second mixer 314 corresponds to the feed inlet at the bottom of the second bucket elevator 320, the discharge outlet at the top of the second bucket elevator 320 is connected with a sixth spiral conveyor 370, the discharge outlet of the sixth spiral conveyor 370 is connected with a ball pressing buffer bucket 330, the discharge gate of pressing the ball buffering fill 330 bottom is connected with the ball press machine 340 that is used for pressing the ball, and the bottom of pressing the ball machine 340 is equipped with the roller screen 350 that is used for receiving and sieves the ball material, and the bottom of roller screen 350 is equipped with the second scraper conveyor 360 that is used for carrying the roller screen 350 undersize material, and the output of second scraper conveyor 360 is located the top of first scraper conveyor 220.
The compact fly ash ball pressing treatment system that this application embodiment provided is used for carrying out the ball pressing after mixing the fly ash of tank car transportation with iron content reference material and binder and handle to with fly ash recycle obtain can add to the pellet of reduction recycle valuable metal in blast furnace, converter, the electric stove. When the compact fly ash ball pressing treatment system works, firstly, the fly ash is respectively transported and transferred to the corresponding ash storage bins 100 by using the tank car, the stacked iron-containing mixed materials are transferred to the corresponding iron-containing mixed material bins 200 by using the grab crane for storage, and then the stored fly ash is transported to the digestion bins 150 by using the fly ash digestion system for digestion; specifically, the flat valve 102 is opened, the fly ash in the ash storage bin 100 is conveyed to the corresponding star-shaped feeder 110 by the vibration hopper 101, and further conveyed to the first screw conveyor 120 through the star-shaped feeder 110, the first screw conveyor 120 conveys the fly ash to the third bucket elevator 130 and conveys the fly ash to the humidifier 140, the humidifier 140 uniformly mixes the fly ash with the water conveyed by the main water pipe 144 and the branch water pipe 147 through the rotating screw 143 and conveys the mixture to the fourth screw conveyor 181, the fourth screw conveyor 181 conveys the wet fly ash to each digestion bin 150 for digestion operation to decompose f-CaO in the fly ash, the digested fly ash is conveyed to the feed inlet of the first bucket elevator 300 through the second screw conveyor 170 arranged at the bottom of the bin 150, the third screw conveyor 180 below the digestion bin 150 and the second screw weighing feeder 190 with weighing function in sequence, meanwhile, the iron-containing mixed material in the iron-containing mixed material bin 200 is screened by the vibrating grid screen 210, so that the undersize of the applicable iron-containing mixed material with the particle size of less than 5mm falls onto the first scraper conveyer 220 for conveying, the adhesive in the adhesive bin 230 is conveyed to the first scraper conveyer 220 by the first screw weighing feeder 240 to be mixed with the iron-containing mixed material, the mixture of the iron-containing mixed material and the adhesive is conveyed to the feed inlet of the first hopper lifter 300 by the first scraper conveyer 220 to be lifted to the mixing device 310 together with the cleared fly ash for mixing, wherein the iron-containing mixed material, the adhesive and the cleared fly ash are firstly conveyed to the mixing bin 312 by the fifth screw conveyer 311 for storage and are further fully mixed by the first mixer 313 and the second mixer 314 to obtain a mixed material, the mixed material output by the second mixer 314 is lifted to the sixth screw conveyer 370 by the second hopper lifter 320 for conveying, sixth screw conveyer 370 carries the mixture to ball pressing buffer bucket 330 and deposits, and the mixture in ball pressing buffer bucket 330 falls to ball press machine 340 and carries out the ball pressing operation, and the pellet of suppression gets into roller screen 350 and sieves, and qualified pellet rolls to one side and stacks, and unqualified pellet that roller screen 350 sieved falls to second scraper conveyor 360 on to carry by second scraper conveyor 360 and mix with iron content reference material and binder on first scraper conveyor 220 and carry out cyclic utilization and handle.
The compact dust removal dust presses ball processing system that this application embodiment provided has formed a complete feeding with each equipment integration together, carry, handle, the system of the ejection of compact, can get up a large amount of equipment inseparable combinations under the less condition of area, not only can effectually reduce the capital cost, also can effectually improve the operating efficiency and reduce the dust disposal cost simultaneously, the control integration degree has been improved, be convenient for repair and maintenance, adopt screw conveyer and connecting tube to improve the leakproofness of system simultaneously in a large number, the effectual degree that reduces dust dispersion and pollution, the operation environment has been improved.
The embodiments described above are some, but not all embodiments of the present application. The detailed description of the embodiments of the present application is not intended to limit the scope of the claimed application, but is merely representative of selected embodiments of the application. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present application.
Claims (10)
1. A compact fly ash ball pressing treatment system is characterized by comprising a fly ash digestion system for digesting and conveying fly ash, an iron-containing mixed material and binder distribution system for conveying the iron-containing mixed material and binder, and a ball pressing system; the iron-containing mixed material and binder distribution system comprises at least one iron-containing mixed material bin, a vibrating screen for screening materials in the iron-containing mixed material bin, a first scraper conveyor for conveying materials below the vibrating screen, a binder bin for storing a binder, and a first spiral weighing feeder for conveying the materials in the binder bin to the first scraper conveyor; press the ball system including being used for promoting the dust removal ash clear up system transport material with first scraper conveyor transport material's first fill is carried the machine, is used for mixing first fill is carried the mixing arrangement of machine transport material, is used for promoting mixing arrangement transport material's second fill is carried the machine, is used for receiving the second fill is carried the ball buffering fill of machine lift material, is used for receiving and extrudees press the ball machine of ball buffering material in the fill, be used for receiving and screening press the roller screen of ball machine transport material and be used for with the undersize material of roller screen carry extremely first scraper conveyor's second scraper conveyor.
2. The compact fly ash ball processing system of claim 1 wherein the fly ash digestion system comprises at least one ash storage bin, star feeders in one-to-one correspondence with and connected to the ash storage bins, a first screw conveyor for receiving each of the star feeders conveying material, a third hopper lift for lifting the first screw conveyor conveying material, a humidifier for wetting and conveying the third hopper lift lifting material, and at least one digestion bin for storing and digesting the humidifier conveying material.
3. The compact fly ash ball treatment system of claim 2 wherein the top of the ash storage bin and the top of the digestion bin are each provided with a bin top dust collector.
4. The compact fly ash ball treatment system of claim 2 wherein a plurality of second screw conveyors are connected to the bottom of each digestion bin, the fly ash digestion system further comprising a third screw conveyor connected to each of the second screw conveyors and a second screw weigh feeder for receiving the third screw conveyor transport material and transporting it to the first hopper lift.
5. The compact settled dust pressure ball processing system of claim 2, wherein the bottom of each ash storage bin is provided with a vibrating hopper for screening materials.
6. The compact fly ash ball processing system of claim 2 further comprising a fourth screw conveyor for receiving the material conveyed by the humidifier and conveying to each of the digestion bins.
7. The compact dust removal pressure ball processing system of claim 2, wherein the humidifier comprises a main water pipe of the housing with a humidifying cavity therein and a screw rod rotatably disposed in the humidifying cavity, the two ends of the housing are respectively provided with a feeding port and a discharging port, and the main water pipe is connected with a plurality of branch water pipes penetrating into the humidifying cavity.
8. The compact fly ash ball processing system of claim 1, wherein the mixing device comprises a fifth screw conveyor for receiving and transporting the first hopper lift material, a mixing bin for receiving the fifth screw conveyor transport material, a first mixer for receiving and mixing the material in the mixing bin, and a second mixer for mixing and transporting the material in the first mixer to the second hopper lift.
9. The compact fly ash ball handling system of claim 1 further comprising a sixth screw conveyor for receiving the second hopper lift material and conveying to the ball press buffer hopper.
10. The compact fly ash ball processing system of claim 1 wherein the iron containing reference material and binder dispensing system further comprises a belt weigh feeder for weighing and conveying the shaker screen undersize material to the first scraper conveyor.
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN110616316A (en) * | 2019-10-31 | 2019-12-27 | 宝武环科鄂州资源有限责任公司 | Compact dust removal ball pressing treatment system |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110616316A (en) * | 2019-10-31 | 2019-12-27 | 宝武环科鄂州资源有限责任公司 | Compact dust removal ball pressing treatment system |
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