CN215878266U - Integrated integrated coal blending system - Google Patents
Integrated integrated coal blending system Download PDFInfo
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- CN215878266U CN215878266U CN202122384203.3U CN202122384203U CN215878266U CN 215878266 U CN215878266 U CN 215878266U CN 202122384203 U CN202122384203 U CN 202122384203U CN 215878266 U CN215878266 U CN 215878266U
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Abstract
The utility model discloses an integrated coal blending system which is sequentially provided with a raw material input device, a primary treatment device, a coal blending device and a blending output device according to a material flow; the primary treatment device comprises a primary screening device, and the primary screening device screens the materials into undersize materials with set granularity and then enters the coal blending device; the coal blending device comprises a blending tank and a blending conveying and distributing device which is used for receiving materials screened by the primary screening device and conveying the materials to the blending tank; all devices and systems for coal blending are integrally arranged in a centralized manner, the overall arrangement is compact, the process flow is optimized, the transportation distance of materials is shortened, the engineering investment is reduced compared with the prior art, and the production and operation cost is low; the problems of dispersion of a coal blending system, long process flow and low production efficiency are solved, and the occupied area is reduced on the premise of the same production capacity, so that the transportation and equipment cost is reduced, the operation cost of coal blending is finally reduced, the adverse effect on the environment is improved, the process is simplified, and the production efficiency is greatly improved.
Description
Technical Field
The utility model relates to a processing system for utilizing and processing coal such as iron making, coking and the like, in particular to a coal blending system.
Background
Blending coal in order to produce coal products meeting quality requirements, a process of blending different types of raw coal according to a proper proportion; taking coking as an example, more coal types are used, and the coal blending technology is applied, so that the coke quality can be ensured, the coal resources can be reasonably utilized, the high-quality coking coal is saved, and the coking coal resources are enlarged.
Coal blending usually requires multiple screening, multiple crushing and transportation; in the prior art, a coal blending system is usually arranged separately and independently from a screening system and a crushing system, raw coal after primary screening processing is conveyed to the coal blending system through a belt conveyor transfer system and then participates in coal blending, and blended coal is conveyed to a secondary screening crushing system through the belt conveyor transfer system, so that the engineering investment and operation cost is high, the occupied area is large, the logistics are turned back, a lot of building objects are built, and the environmental impact is large; therefore, in the coal blending process, how to effectively reduce the utilization of the site and reduce the operation cost is a technical problem to be solved urgently.
Therefore, the existing coal blending process or system needs to be improved, the problems of dispersion, long process flow and low production efficiency of the existing coal blending system are solved, and the process flow is optimized, facilities are reduced, and occupied area is reduced on the premise of ensuring the same production capacity, so that the transportation and equipment cost is reduced, the operation cost of coal blending is finally reduced, and the adverse effect on the environment is improved.
SUMMERY OF THE UTILITY MODEL
In view of the above, the present invention provides a coal blending system, which solves the problems of dispersion, long process flow and low production efficiency of the existing coal blending system, and ensures that the process flow is optimized, the facilities are reduced, and the occupied land is reduced on the premise of the same production capacity, so that the transportation and equipment costs are reduced, the operation cost of coal blending is finally reduced, and the adverse effect on the environment is improved.
The integrated coal blending system is sequentially provided with a raw material input device, a primary treatment device, a coal blending device and a blending output device according to a material flow;
the primary treatment device comprises a primary screening device, and the primary screening device screens materials into undersize materials with set granularity and then enters the coal blending device;
the coal blending device comprises a blending tank and a blending conveying and distributing device used for receiving materials screened by a primary screening device and transporting the materials to the blending tank.
Further, still including being located the secondary treatment device between coal blending device and the batching output device, secondary treatment device includes secondary screening plant, secondary screening plant receives the coal blending device supplied materials and sieves, and undersize material gets into batching output device.
Furthermore, the secondary treatment device also comprises a crushing device which is used for crushing the oversize material of the secondary screening device and enabling the crushed material to enter the batching output device.
Further, the batching tank is a plurality of, has the material of one or more than corresponding different varieties in a plurality of batching tanks, batching transport distribution device is including batching conveyor and distributing device, conveyor carries the material to distributing device and carries the material to the batching tank that corresponds by distributing device.
Further, the batching tank is provided with a batching and feeding device for discharging, and materials are conveyed to the secondary processing device through the batching and feeding device; the batching and feeding devices of adjacent batching tanks can share one secondary treatment device, and the materials of the adjacent batching tanks are different varieties.
The device comprises a large material tank, a large material distributing device, a large material batching and feeding device, a large material crushing device and a large material output gate, wherein the large material tank is arranged in the large material tank;
the large material distributing device is used for receiving large materials in the large material tank and controllably distributing the large materials to the large material batching and feeding device or the large material output gate; the bulk material crushing device receives the crushed bulk materials of the bulk material proportioning and feeding device and then sends the crushed bulk materials to the proportioning output device;
the bulk material output gate is used for controllably outputting bulk materials.
The device further comprises a large material processing device, wherein the large material processing device comprises a large material crushing device;
the bulk material crushing device is used for receiving the oversize material of the primary screening device, crushing the oversize material and enabling the crushed oversize material to enter the coal blending device.
Further, a batching weighing device and a batching dredging device are arranged in the batching tank; the batching and feeding device is provided with a weight counting device for counting the weight of conveyed materials.
Further, the raw material input device and the batching output device are respectively provided with an iron removal device.
Further, the bulk material groove is provided with a bulk material weighing device, and the bulk material batching and feeding device is provided with a bulk material weight counting device for counting the weight of conveyed bulk materials.
The utility model has the beneficial effects that:
1. the utility model integrates and arranges all devices and systems for coal blending such as material input, output, screening (for multiple times), coal blending, crushing, material output and the like, has compact integral arrangement, simple flow and small occupied area, shortens the transportation distance of materials, reduces the engineering investment compared with the prior art and has low production and operation cost; compared with the production process of the coal blending system in the prior art, the problems of dispersion of the coal blending system, long process flow and low production efficiency are solved, and the occupied area is reduced on the premise of ensuring the same production capacity, so that the transportation and equipment cost is reduced, the operation cost of the coal blending is finally reduced, the adverse effect on the environment is improved, the process is simplified, and the production efficiency is greatly improved;
when the coal blending system operates, the coal of different varieties can be conveyed on the same line by time intervals in the material input system, and conveyed according to a certain material proportion, the required coal can be formed by sequentially layering and stacking, and then the qualified particle size raw fuel is formed by processing, so that high-quality raw materials are provided for applications such as iron making, coking and the like;
the utility model can also realize material level management through the weighing device, and realize automatic material distribution management through the weight statistical device to manage the material distribution amount.
Drawings
The utility model is further described below with reference to the figures and examples.
FIG. 1 is a schematic flow diagram of the system of the present invention;
FIG. 2 is a schematic system flow diagram according to another embodiment.
Detailed Description
As shown in the figure: the coal blending system of the embodiment is sequentially provided with a raw material input device 1, a primary treatment device, a coal blending device 3 and a blending output device 6 according to a material flow;
the primary treatment device comprises a primary screening device 2, and the primary screening device 2 screens materials into undersize materials with set granularity and then enters a coal blending device 3;
the coal blending device 3 comprises a blending tank 3.3 and a blending conveying and distributing device which is used for receiving materials (materials leaked out of screen holes) below the screen of the primary screening device 2 and transporting the materials to the blending tank;
in the system, the raw material input device 1 correspondingly conveys materials (mainly referred to as coal) of different varieties and specifications to the primary screening device 2 according to set controllable time intervals;
the primary screening device 2 performs screen-on (materials with the particle size larger than the sieve mesh are separated from the screen) and screen-off grading screening according to the set particle size, the fine coal separated from the screen-off enters the coal blending device 3, and the large materials separated from the screen-on are additionally processed or crushed into the set particle size and then enter the coal blending device 3; as shown, the ingredient conveying and distributing device is located below the first screening device 2 (vibrating screen) for receiving the undersize (material leaking through the screen openings)
The raw material input device 1 may adopt any transportation method capable of conveying materials to a primary screening device in the prior art, such as a series of devices including a belt conveyor, a hopper and the like, and will not be described in detail herein; the primary screening device can adopt a vibrating screen, and different models and screening particle sizes can be adopted according to needs, and the details are not repeated.
In the embodiment, the device further comprises a secondary treatment device 4 positioned between the coal blending device 3 and the blending output device 6, wherein the secondary treatment device 4 comprises a secondary screening device 4.1, the secondary screening device 4.1 receives the incoming materials of the coal blending device 3 and screens the incoming materials, and the screened materials enter the blending output device 6;
the secondary treatment device 4 can further select qualified final material products, so that the quality of the blended coal is ensured; similarly, the secondary screening device can adopt a vibrating screen, and the type and the particle size are selected according to the requirement, which is not described in detail herein.
In this embodiment, the secondary treatment device 4 further includes a crushing device 4.2, which is used for crushing the oversize material of the secondary screening device and making the crushed material enter the ingredient output device; the oversize (relatively large material block) materials screened out secondarily enter the batching process again after being crushed to form raw fuel with qualified granularity and complete batching, and the raw fuel can be processed in the same field, so that the process is saved, the efficiency is improved, and the cost is saved;
as shown in the figure, the second screening device 4.1 is used for screening materials in an oversize and undersize grading manner, the crushing device 4.2 (a crusher, the type and the crushing granularity of the crusher are selected according to requirements) is positioned below the second screening device (the vibrating screen) and used for bearing materials on the screen, lump coal screened on the screen enters the batching output device 6 after being crushed by the crushing device 4.2, and materials screened off under the screen directly enter the batching output device;
in this embodiment, there are a plurality of batching troughs 3.3, as shown in the figure, for example, six batching troughs 3.3(B1, B2, B3, B4, B5, B6), which may be arranged side by side as a whole, and one or more than one batching troughs correspond to different varieties of materials (in this embodiment, one batching trough corresponds to one variety of materials), the batching conveying and distributing device includes a batching conveying device 3.1 and a distributing device 3.2, the conveying device 3.1 conveys materials to the distributing device 3.2 and the distributing device 3.2 conveys materials to the corresponding batching troughs 3.3;
namely, one or more than one material is used for loading the same variety of materials in the plurality of proportioning bins 3.3, and the materials are processed by different varieties; as shown in the figure, a material conveying device 3.1 in the material conveying and distributing device conveys materials to a material distributing device 3.2, and the material distributing device conveys the materials of the same variety to one or more designated material distributing tanks to prepare for final material distribution; the batching and conveying device adopts the conveying mode of the prior art, such as a belt conveyor, a hopper and the like;
distributing device 3.2 generally adopts the distributing device for switch material transport path, as shown in the figure, be equipped with unloading platform 3.7 on the proportioning bins 3.3, and proportioning bins 3.3 set up under unloading platform 3.7, and the distributing device carries the material to the corresponding position of unloading platform 3.7 to send to the proportioning bins 3.3 that correspond, proportioning bins 3.3 as before be used for storing the multiple size specification of different material varieties, realize the process in distributing device 3.2 timesharing carries the coal of different varieties to the proportioning bins 3.3 that correspond is no longer repeated here.
In this embodiment, the batching tank 3.3 is provided with a batching and feeding device 3.4 for discharging, and the batching and feeding device 3.4 is used for conveying materials to the secondary processing device 4; the batching and feeding devices 3.4 of the adjacent batching tanks 3.3 can share one secondary processing device 4, and the materials of the adjacent batching tanks 3.3 are different in variety;
as shown in the figure, the batching and feeding device 3.4 is arranged at the bottom of the batching tank 3.3 and is used for receiving materials from the corresponding batching tank 3.3, one batching tank can be arranged for each batching tank, and two or more batching tanks can be shared to achieve the purpose; the dosing and feeding device 3.4 can be transported in a usual way, such as a disk feeder or a belt feeder, which is not described in detail herein; when the adjacent proportioning bins 3.3 (and used for storing different varieties of materials (coal)) of the embodiment are adopted, the materials of different varieties are uniformly mixed for the first time, and the coal proportioning efficiency is improved.
In the embodiment, the device also comprises a massive material processing device 5, wherein the massive material processing device 5 comprises a massive material groove 5.1, a massive material distributing device 5.2, a massive material batching and feeding device 5.4, a massive material crushing device 5.5 and a massive material output gate 5.3; namely, the bulk material distributing device 5.2 is provided with two conveying outlets, can convey bulk materials to different outlets for corresponding treatment according to needs, can be a reciprocating belt conveyor and other structures, and is not described again; the bulk material crushing device 5.5, namely the crusher, can select type and specification and crushed particle size according to needs, and is not described herein again; the large material output gate 5.3 can be opened and closed to convey large materials, a plate gate structure can be adopted, and details are not repeated;
the bulk material tank 5.1 is used for receiving oversize materials of the primary screening device 2, and the bulk material distribution device 5.2 is used for receiving bulk materials of the bulk material tank 5.1 and controllably distributing the bulk materials to the bulk material proportioning and feeding device 5.4 or the bulk material output gate 5.3 (operated as required); the bulk material crushing device 5.5 receives and crushes the bulk materials of the bulk material batching and feeding device and then sends the crushed bulk materials to the batching and outputting device 6;
similarly, the bulk material proportioning and feeding device 5.4 can adopt a common transportation mode, such as a disk feeder or a belt feeder, and the details are not repeated;
when the large materials are continuously used for blending, the large material crushing device crushes the large materials into proper particle size and then directly uses the crushed large materials for blending coal, so that the method is efficient and simple, and saves raw materials and operation cost;
the bulk material output gate 5.3 is used for controllably outputting bulk material, and in the embodiment shown in the figure, the material output from the bulk material output gate 5.3 is directly loaded into a truck and transported to a designated position for use.
Of course, as shown in fig. 2, the massive material may be processed in another way, for example, the crushed massive material may be directly used for blending, and the massive material processing device 5a includes a massive material crushing device 5 a.1;
the large block material crushing device 5a.1 is used for receiving the oversize material of the primary screening device, crushing the oversize material and then feeding the crushed oversize material into the coal blending device 8; because the coal blending device is directly fed, the large material crushing device with the structure can adopt different models and crushing particle sizes, and the details are not repeated.
In this embodiment, a batching weighing device 3.5 and a batching dredging device 3.6 are arranged in the batching tank 3.3; the batching and feeding device 3.4 is provided with a weight counting device for counting the weight of the conveyed materials; weighing device and weight statistics device all adopt current weighing device (generally for weighing sensor and be used for received signal and make the central processing unit who handles, no longer give unnecessary details here) can, have memory and accumulate the function, realize the material level management through weighing device, carry out batching volume management through weight statistics device, realized automatic batching management.
The material mixing block removing device 3.6 is generally provided with a block removing device, generally an air cannon, a vibrator or a rotary block removing machine, at the lower part of the conical section of the material mixing tank 3.3, and the details are not repeated.
In this embodiment, raw materials input device 1 and batching output device 6 are equipped with the deironing device respectively, and as shown in the figure, raw materials input device sets up deironing device 7, and batching output device 6 sets up deironing device 8, and it can to adopt current deironing device (magnetism), no longer gives details here.
In the embodiment, the bulk material groove 5.1 is provided with a bulk material weighing device 5.6, and the bulk material batching and feeding device 5.4 is provided with a bulk material weight counting device for counting the weight of conveyed bulk materials; the weight statistics and weighing principles are as described above and will not be described herein.
Finally, the above embodiments are only for illustrating the technical solutions of the present invention and not for limiting, although the present invention has been described in detail with reference to the preferred embodiments, it should be understood by those skilled in the art that modifications or equivalent substitutions may be made to the technical solutions of the present invention without departing from the spirit and scope of the technical solutions of the present invention, and all of them should be covered in the claims of the present invention.
Claims (9)
1. An integrated coal blending system, which is characterized in that: a raw material input device, a primary treatment device, a coal blending device and a blending output device are sequentially arranged according to the material flow;
the primary treatment device comprises a primary screening device, and the primary screening device screens materials into undersize materials with set granularity and then enters the coal blending device;
the coal blending device comprises a blending tank and a blending conveying and distributing device used for receiving materials screened by a primary screening device and transporting the materials to the blending tank.
2. The integrated, integrated coal blending system of claim 1, wherein: still including being located the secondary treatment device between coal blending device and the batching output device, secondary treatment device includes secondary screening plant, secondary screening plant receives the coal blending device supplied materials and sieves, and undersize material gets into batching output device.
3. The integrated, integrated coal blending system of claim 2, wherein: the secondary treatment device also comprises a crushing device which is used for crushing the oversize material of the secondary screening device and enabling the crushed material to enter the batching output device.
4. The integrated, integrated coal blending system of claim 2, wherein: the batching tank is a plurality of, has the material of one or more than corresponding different varieties in a plurality of batching tanks, batching transport distribution device is including batching conveyor and distributing device, conveyor carries the material to distributing device and carries the material to the batching tank that corresponds by distributing device.
5. The integrated, integrated coal blending system of claim 4, wherein: the batching tank is provided with a batching and feeding device for discharging, and materials are conveyed to the secondary processing device through the batching and feeding device; the batching and feeding devices of adjacent batching tanks can share one secondary treatment device, and the materials of the adjacent batching tanks are different varieties.
6. The integrated, integrated coal blending system of claim 2, wherein: the large block material processing device comprises a large block material groove, a large block material distribution device, a large block material batching and feeding device, a large block material crushing device and a large block material output gate;
the large material distributing device is used for receiving large materials in the large material tank and controllably distributing the large materials to the large material batching and feeding device or the large material output gate; the bulk material crushing device receives the crushed bulk materials of the bulk material proportioning and feeding device and then sends the crushed bulk materials to the proportioning output device;
the bulk material output gate is used for controllably outputting bulk materials.
7. The integrated, integrated coal blending system of claim 2, wherein: the device also comprises a large material processing device, wherein the large material processing device comprises a large material crushing device;
the bulk material crushing device is used for receiving the oversize material of the primary screening device, crushing the oversize material and enabling the crushed oversize material to enter the coal blending device.
8. The integrated, integrated coal blending system of claim 5, wherein: a batching weighing device and a batching dredging device are arranged in the batching tank; the batching and feeding device is provided with a weight counting device for counting the weight of conveyed materials.
9. The integrated, integrated coal blending system of claim 6, wherein: the bulk material tank is provided with a bulk material weighing device, and the bulk material batching and feeding device is provided with a bulk material weight counting device for counting the weight of conveyed bulk materials.
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202122384203.3U CN215878266U (en) | 2021-09-28 | 2021-09-28 | Integrated integrated coal blending system |
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| Application Number | Priority Date | Filing Date | Title |
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| CN202122384203.3U CN215878266U (en) | 2021-09-28 | 2021-09-28 | Integrated integrated coal blending system |
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| CN215878266U true CN215878266U (en) | 2022-02-22 |
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