CN213833769U - Feeding system of submerged arc furnace - Google Patents
Feeding system of submerged arc furnace Download PDFInfo
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- CN213833769U CN213833769U CN202021869923.8U CN202021869923U CN213833769U CN 213833769 U CN213833769 U CN 213833769U CN 202021869923 U CN202021869923 U CN 202021869923U CN 213833769 U CN213833769 U CN 213833769U
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Abstract
The utility model discloses a hot stove feeding system in ore deposit, include: the device comprises a tippler, a conveying device, a bin, a mixing and conveying device, a lifting and conveying device and a powder bin; the feeding end of the conveying device is positioned in a dumping area of the tipper; the bin is arranged below the conveying device, the mixing and conveying device is arranged below the bin, and a weighing device is arranged between the bin and the mixing and conveying device; the mixing and conveying device is horizontally arranged, and the discharge end of the mixing and conveying device is lapped with the feed end of the lifting and conveying device; the powder bin is arranged below the discharge end of the lifting and conveying device; the utility model has the advantages that the mineral aggregate is directly loaded into the storage bin through the tipper and the conveying device, thereby avoiding open-air stacking, reducing the operation cost, having no dust pollution phenomenon and saving the environmental protection cost; the system has high automation degree, reduces the work of manual participation, reduces the labor cost and improves the system batching accuracy through weighing and proportioning.
Description
Technical Field
The utility model relates to a smelting equipment technical field especially relates to a hot stove feeding system in ore deposit.
Background
In the smelting process of ferrosilicon, a large amount of semi coke, silica and ironwork are stored in the open air in a stock yard, dust pollution exists, the environmental protection does not reach the standard, the semi coke pile is covered by a dust screen in the current stage, the cost for putting the coal yard dust screen on the periphery of the stock yard is high, the labor intensity of workers is high, the environmental protection cost is high, all the raw materials stacked in the open air are the forklift shovel feeding bin, and the operation cost is high.
Whether the addition amount of the reducing agent is proper and whether the mixing of various raw materials is uniform in the ferrosilicon smelting is determined by the proper proportion of the raw materials and the accuracy of weighing, and more importantly, by the uniformity of the mixture of the ingredients. Silica is reduced by semi-coke, ingredients are not uniformly mixed, and an area with excessive or insufficient reducing agent can appear in the furnace, so that the smooth proceeding of the reducing agent is influenced, the current distribution is damaged, and the temperature in the furnace is unbalanced. In the actual production process, too much or too little reducing agent is the main reason for abnormal furnace conditions, and the raw material components and the particle size are changed due to inaccurate weighing and uneven mixing in the feeding process.
Chinese patent CN207813647U discloses a matching system of equipment for underground pumping gangue filling mining, which comprises a tipper, a screening feeder, a first crusher, a second crusher, a movable gangue bin, a belt slope changer, a stirrer, a filling pump, a mixer and a curing agent adding device. The tipper is connected with the screening feeder, the screening feeder is connected with the first crusher, the first crusher is connected with the second crusher through the first belt conveyor, the second crusher is connected with the movable waste bin through the second belt conveyor, the third delivery belt conveyor is arranged above the stirrer through the slope changer, and the stirrer is connected with the filling pump; the filling pump is connected with the mixer through a filling pipeline and a curing agent adding device through a conveying pipeline. The technical scheme provides a matching system, provides a transfer and storage idea, but does not provide a device or scheme for reasonable weighing and proportioning, and is not completely suitable for ferrosilicon smelting in the submerged arc furnace.
SUMMERY OF THE UTILITY MODEL
In view of this, the utility model provides a hot stove feed system in ore deposit can solve above-mentioned problem.
For this purpose, the utility model is implemented by the following technical scheme.
A feeding system of a submerged arc furnace mainly comprises: the device comprises a tippler, a conveying device, a bin, a mixing and conveying device, a lifting and conveying device and a powder bin;
the tipper is arranged on a track or a traveling route of a mineral aggregate transporting vehicle, and the feeding end of the conveying device is positioned in a dumping area of the tipper;
the storage bin is arranged below the conveying device, and the mixing and conveying device is arranged below the storage bin; a vibrating feeder is installed at a discharge port of the storage bin, a weighing belt feeder is installed below a discharge end of the vibrating feeder and is positioned between the vibrating feeder and the mixing and conveying device;
the mixing and conveying device is horizontally arranged, and the discharge end of the mixing and conveying device is lapped with the feed end of the lifting and conveying device; the lifting and conveying device and the horizontal plane are arranged at an inclined angle, the discharge end of the lifting and conveying device is higher than the feed end of the lifting and conveying device, and the powder bin is arranged below the discharge end of the lifting and conveying device.
Further, the system is provided with two at least the feed bins, the feed bin is high-order feed bin, and whole feed bins divide into two sets ofly, in overlooking the direction, respectively along conveyor line's both sides distribute.
Furthermore, the bins respectively store raw materials with different components, and the available volume of the bins is set to be 10-15 times of the single daily dosage of the system.
Further, the mixing and conveying device is a horizontal belt conveyor, and equidistant baffles are arranged on the conveying belt.
Further, the lifting conveying device is a lifting belt conveyor, and equidistant baffles are arranged on the conveying belt.
Further, the conveying device is a belt conveyor with a discharge trolley, and a belt conveyor frame with the discharge trolley is arranged above the storage bin.
Further, the top of feed bin is provided with ultrasonic wave material level appearance.
The utility model has the advantages of as follows:
1. through the tipper directly with the mineral aggregate in the feed bin through conveyor, avoid the whole forklift shovel feeding storehouse that have of raw materials stacked in the open, reduce the operation cost, and no dust pollution phenomenon accords with the environmental protection requirement, saves the environmental protection expense.
2. The feeding system has high automation degree, reduces the work of manual participation, lightens the labor capacity of workers and reduces the labor cost.
3. Replace vibrations batcher through the belt feeder, shorten the distance below the zero meter, less operating expenses further cooperates a feed bin material storehouse, can realize "single material list title" batching in batches of small material, improves the batching accuracy.
4. Through mixing the conveyer, realize the compounding for the first time, advance and promote the conveyer and get into the powder storehouse, realize the compounding for the second time, the batching compounding is more even, can make the reductant go on smoothly, and the current distribution is even, reaches the purpose of carrying out the product and increasing the effect.
Drawings
In order to illustrate the embodiments of the present invention more clearly, the drawings that are needed in the embodiments will be briefly described below, and it is obvious that the drawings in the following description are only one or several embodiments of the present invention, and that other drawings can be obtained by those skilled in the art without inventive efforts.
The distribution positions and distribution numbers of the same structures shown in the drawings are only for convenience of describing the invention, but do not indicate or imply that the structures referred to must have a specific orientation, distribution number and therefore should not be construed as limiting the invention.
FIG. 1 is a front view of a portion of the system of the present invention;
FIG. 2 is a top view of a portion of the system of the present invention;
fig. 3 is a view from a-a in fig. 2 (the working position of the tippler).
In the figure:
1-a storage bin; 2-weighing belt feeder; 3-a mixing and conveying device; 4-lifting the conveying device; 5-a conveying device; 6-a tippler; 7-powder bin.
Detailed Description
In the description of the present invention, it should be understood that the terms "upper", "lower", "above", "below", and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in fig. 1.
It should also be noted that, in the description of the present invention, unless otherwise explicitly specified and limited, the terms "disposed", "mounted", and the like are to be understood broadly, and may be, for example, fixedly connected, detachably connected, or integrally connected; 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 invention can be understood by those skilled in the art according to specific situations.
The present invention will be further explained with reference to fig. 1 and 2.
A feeding system of a submerged arc furnace mainly comprises: the device comprises a tippler 6, a conveying device 5, a bin 1, a mixing and conveying device 3, a lifting and conveying device 4 and a powder bin 7;
the tippler 6 is arranged on the track or the traveling route of the mineral aggregate transporting vehicle, and is arranged on the traveling route of the mineral aggregate transporting vehicle and positioned at the tail end of the conveying device 5, as shown in fig. 2 and 3. The feeding end of the conveying device 5 is positioned in the dumping area of the tipper 6, preferably, the conveying device 5 is a belt conveyor with a dump car, and a belt conveyor frame with the dump car is arranged above the storage bin 1.
The storage bin 1 is arranged below the conveying device 5, preferably, the system is provided with 16 storage bins 1, the storage bins 1 are high-level storage bins, all the storage bins are divided into two groups, each group is 8, and the storage bins are respectively distributed along two sides of the traveling route of the conveying device 5 in the overlooking direction as shown in fig. 2. The storage bins 1 are used for storing raw materials with different components respectively, the available volume of the storage bins 1 is set to be 10-15 times of the single daily dosage of the system, semi-coke, silica and iron products are separately used according to different manufacturers, small batch batching is realized, batching accuracy is improved, the weighing error of each batch of silica is reduced by 20%, and the weighing error of each batch of semi-coke is reduced by 5%.
A mixing and conveying device 3 is arranged below the storage bin 1, preferably, the mixing and conveying device 3 is a horizontal belt conveyor, and equidistant baffles are arranged on the conveying belt. Vibrating feeder is still installed to 1 discharge gate of feed bin, and belt feeder 2 of weighing is installed to vibrating feeder's discharge end below, and belt feeder 2 of weighing is located between vibrating feeder and the mixed conveyor 3, replaces vibrating feeder by 16 belt feeders, shortens 2.5 meters with distance below the zero meter, has effectively reduced the operating expenses.
The control system falls a certain amount of raw materials into a weighing hopper below a storage bin through a vibrating feeder under the drive of electrodes according to process requirements and raw material proportion, the materials are conveyed forwards while falling onto a horizontal conveying belt after the weight of the falling materials reaches the raw material proportion requirements through a weighing belt feeder 2, so that different materials are mixed, and then the mixed materials fall into a mixing and conveying device 3.
Preferably, mix conveyor 3 and be provided with the equidistance baffle on the conveyer belt for compounding band conveyer, the device is the level setting, and the discharge end overlap joint has the feed end that promotes conveyor 4, promotes conveyor 4 and is the promotion formula band conveyer, is provided with the equidistance baffle on the conveyer belt. Promote conveyor 4 and personally submit the inclination setting with the level, promote conveyor discharge end and be higher than and promote conveyor feed end, promote the below of conveyor discharge end and install powder storehouse 7.
Preferably, the top of the storage bin 1 is provided with an ultrasonic material level meter for monitoring the material storage amount.
Working process
As shown in fig. 3, the mineral aggregate transport vehicle travels to the upper side of the tippler 6, and is turned over integrally by the tippler 6 together with the vehicle, the mineral aggregate falls into the lower side, and then is transported to the belt conveyor with the discharge trolley through the belt, as shown in fig. 1, the mineral aggregate transport vehicle respectively falls into 16 bins 1 at two sides through the discharge ports at two sides of the trolley for storage. When the material proportioning processing is needed, a certain amount of raw materials fall into a weighing belt feeder 2 below the material bin through a vibrating feeder by a control system according to the process requirement and a material proportioning control corresponding to the material bin 1 under the drive of an electrode, after the weight of the falling materials reaches the material proportioning requirement, the falling materials fall onto a horizontal belt conveyor below through belt conveying, the materials are conveyed forwards while falling onto a horizontal material conveying belt, different materials are mixed, the mixed materials fall onto a lifting belt conveyor, the mixed materials are conveyed to a powder bin at the top of the submerged arc furnace through a belt, and the mixed materials are conveyed to the iron alloy electric furnace through a discharging device. During the period, the ultrasonic material level meter continuously monitors the stock condition of the mineral materials in the stock bin 1 so as to supplement the mineral materials in time.
The above embodiments are only used for illustrating the technical solutions of the present invention and not for limiting, and although the present invention has been described in detail with reference to the examples, those skilled in the art should understand that the technical solutions of the present invention can be modified or replaced by equivalents without departing from the spirit and scope of the technical solutions of the present invention, which should be covered by the scope of the claims of the present invention.
Claims (7)
1. A submerged arc furnace feeding system, comprising: the device comprises a tippler (6), a conveying device (5), a bin (1), a mixing and conveying device (3), a lifting and conveying device (4) and a powder bin (7);
the tipper (6) is arranged on a track or a traveling route of a mineral aggregate transporting vehicle, and the feeding end of the conveying device (5) is positioned in a dumping area of the tipper (6);
the storage bin (1) is arranged below the conveying device (5), and the mixing and conveying device (3) is arranged below the storage bin (1); a vibrating feeder is installed at a discharge port of the storage bin (1), a weighing belt feeder (2) is installed below a discharge end of the vibrating feeder, and the weighing belt feeder (2) is located between the vibrating feeder and the mixing and conveying device (3);
the mixing and conveying device (3) is horizontally arranged, and the discharge end is lapped with the feed end of the lifting and conveying device (4); promote conveyor (4) and personally submit the inclination setting with the level, promote conveyor discharge end and be higher than and promote conveyor feed end, promote the below of conveyor discharge end and install powder storehouse (7).
2. The feeding system according to claim 1, characterised in that at least two said silos (1) are provided, said silos (1) being high-level silos, all of which are divided into two groups, distributed along the two sides of the path travelled by said conveyor (5), respectively, in a plan view.
3. The feeding system according to claim 2, characterized in that the silos (1) store separately raw materials of different composition, and the available volume of the silo (1) is set to 10-15 times the daily dosage of the system.
4. The feeding system according to claim 1, characterized in that the mixing conveyor (3) is a horizontal belt conveyor with equidistant baffles.
5. The feeding system according to claim 1, characterized in that the lifting conveyor (4) is a lifting belt conveyor, on which equidistant baffles are arranged.
6. The feeding system according to claim 1, characterised in that the conveyor device (5) is a belt conveyor with a discharge trolley, which belt conveyor frame is arranged above the silo (1).
7. The feeding system according to claim 1, characterized in that the top of the silo (1) is provided with an ultrasonic level gauge.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202021869923.8U CN213833769U (en) | 2020-08-31 | 2020-08-31 | Feeding system of submerged arc furnace |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202021869923.8U CN213833769U (en) | 2020-08-31 | 2020-08-31 | Feeding system of submerged arc furnace |
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| CN213833769U true CN213833769U (en) | 2021-07-30 |
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| CN202021869923.8U Active CN213833769U (en) | 2020-08-31 | 2020-08-31 | Feeding system of submerged arc furnace |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114314060A (en) * | 2021-12-31 | 2022-04-12 | 中冶赛迪工程技术股份有限公司 | Closed bulk material storage and conveying system |
| CN114516553A (en) * | 2022-03-31 | 2022-05-20 | 宝钢资源控股(上海)有限公司 | Uniform mixing production system and method for multi-variety iron ores at port |
-
2020
- 2020-08-31 CN CN202021869923.8U patent/CN213833769U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114314060A (en) * | 2021-12-31 | 2022-04-12 | 中冶赛迪工程技术股份有限公司 | Closed bulk material storage and conveying system |
| CN114516553A (en) * | 2022-03-31 | 2022-05-20 | 宝钢资源控股(上海)有限公司 | Uniform mixing production system and method for multi-variety iron ores at port |
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