CN212051499U - Blast furnace ore deposit coke groove auxiliary raw materials feeding system - Google Patents
Blast furnace ore deposit coke groove auxiliary raw materials feeding system Download PDFInfo
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- CN212051499U CN212051499U CN202020377216.0U CN202020377216U CN212051499U CN 212051499 U CN212051499 U CN 212051499U CN 202020377216 U CN202020377216 U CN 202020377216U CN 212051499 U CN212051499 U CN 212051499U
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Abstract
The utility model relates to a blast furnace ore deposit burnt groove pair raw materials feeding system belongs to ore deposit burnt groove charge-in system field. The device comprises an auxiliary raw material groove, a plurality of feeders, chutes, vibrating screens and weighing hoppers which are connected in sequence, wherein the auxiliary raw material groove is internally provided with a plurality of bins; in the utility model, a plurality of feed bins are respectively connected with the vibrating screen through corresponding feeders, thereby reducing the quantity of the vibrating screen, increasing the utilization rate of the vibrating screen and reducing the investment and the maintenance quantity of later equipment; the baffle is arranged in the auxiliary raw material groove, the auxiliary raw material groove is separated into a plurality of feed bins, different types of materials can be stored, the arrangement of the ore coke groove is more compact, the utilization rate of the ore coke groove is increased, the investment is reduced, and the overall structure design of the ore coke groove is convenient.
Description
Technical Field
The utility model belongs to ore deposit burnt groove charge-in system field relates to a vice raw materials feeding system in blast furnace ore deposit burnt groove.
Background
During the production of blast furnaces, the required raw materials generally comprise coke, sintered ore, pellet ore, lump ore and miscellaneous ores, and some auxiliary raw materials such as limestone, dolomite, fluorite and the like are added to reduce the melting point of ore and coke ash during slagging so as to form flowable slag and remove sulfur so as to improve the quality of pig iron.
The blast furnace ore coke groove is an important process flow link for storing, screening, weighing and batching various raw materials of the blast furnace, each material is stored by a single or a plurality of bins according to the demand and the storage time of the blast furnace, and a set of screening and weighing facilities is respectively arranged at an outlet below each bin.
In the production process of the blast furnace, the requirement proportion of the auxiliary raw materials is very small, and the annual consumption of the auxiliary raw materials accounts for about 6 per mill of the annual consumption of the sintering ore by taking a certain 2000-grade blast furnace as an example, so that the volume of the auxiliary raw material trough can be much smaller than that of other troughs theoretically. In order to keep the structural consistency and the process uniformity of the ore coke groove in the actual engineering, the height and width directions of the auxiliary raw material groove are the same as those of other material grooves, although the length direction of the auxiliary raw material groove can be reduced, the actual volume can be stored for tens of times longer than that of other material bins, the auxiliary raw material groove is not beneficial to the circulation of the auxiliary raw materials, hardening is easily caused, and the engineering quantity is increased.
At the same time, the current blast furnace mainly has two feeding modes aiming at auxiliary raw materials, namely a first mode: a feeder, a vibrating screen and a weighing hopper are arranged below each auxiliary raw material groove, so that each auxiliary raw material is independently screened and weighed, and finally, each weighed and qualified auxiliary raw material is loaded into an adhesive tape machine below the groove and then conveyed to a blast furnace; the second mode is as follows: and a feeder and a vibrating screen are arranged below each auxiliary raw material groove, wherein the two vibrating screens share one weighing hopper, so that each two auxiliary raw materials are separately screened and combined to be weighed, and finally the two auxiliary raw materials which are qualified in weighing and mixed are loaded into the under-groove adhesive tape machine and then conveyed to the blast furnace. In the two modes, the occupation ratio of the auxiliary raw materials in each batch of blast furnace charge is very small, so that the working time of the vibrating screen is very short every time, the operation rate is low, and meanwhile, each auxiliary raw material is provided with one screening and weighing device, so that the investment of the project is increased, and the maintenance work of later equipment is also increased.
SUMMERY OF THE UTILITY MODEL
In view of this, the utility model aims at providing a vice raw materials feeding system of blast furnace ore deposit burnt groove has optimized arranging of cell body, has reduced the quantity of shale shaker, has improved the utilization ratio of shale shaker, has reduced the maintenance quantity of investment and later stage equipment.
In order to achieve the above purpose, the utility model provides a following technical scheme:
the utility model provides a vice raw materials feeding system of blast furnace ore deposit burnt groove, is including vice raw materials groove, batcher, chute, shale shaker and the weighing hopper that connects gradually, be provided with a plurality of feed bin in the vice raw materials inslot, the batcher is a plurality of, the batcher with the feed bin corresponds the setting, the feed bin is through corresponding the batcher with the chute intercommunication.
Optionally, the auxiliary raw material tank comprises a tank body and a plurality of partition plates arranged in the tank body, and the tank body is divided into the plurality of bins by the plurality of partition plates.
Optionally, be provided with the pan feeding mouth on one side of silo body, the silo body is kept away from be provided with the discharge gate on one side of pan feeding mouth, the extending direction of discharge gate with the extending direction of pan feeding mouth is parallel, and a plurality of baffle is followed the extending direction of pan feeding mouth sets gradually, a plurality of the feed bin equally divide respectively with the pan feeding mouth reaches the discharge gate intercommunication.
Optionally, the trough body comprises a straight section and a conical section, the cross section of the straight section is rectangular, the cross section of the conical section is triangular, the feeding port is formed in the straight section, and the discharging port is formed in the conical section.
Optionally, the feed bin and the feeder are both 3.
Optionally, the chute is the four-way chute, 3 the feed bin is respectively through 3 batcher and four-way silo intercommunication.
Optionally, the device further comprises a under-groove adhesive tape machine, and the weighing hopper is connected with the under-groove adhesive tape machine.
The beneficial effects of the utility model reside in that: the plurality of bins are respectively connected with the vibrating screen through the corresponding feeders, so that the number of the vibrating screens is reduced, the utilization rate of the vibrating screens is increased, and the investment and the maintenance number of later equipment are reduced; the baffle is arranged in the auxiliary raw material groove, the auxiliary raw material groove is separated into a plurality of feed bins, different types of materials can be stored, the arrangement of the ore coke groove is more compact, the utilization rate of the ore coke groove is increased, the investment is reduced, and the overall structure design of the ore coke groove is convenient.
Additional advantages, objects, and features of the invention will be set forth in part in the description which follows and in part will become apparent to those having ordinary skill in the art upon examination of the following or may be learned from practice of the invention. The objectives and other advantages of the invention may be realized and attained by the means of the instrumentalities and/or combinations particularly pointed out in the appended claims.
Drawings
For the purposes of promoting a better understanding of the objects, features and advantages of the invention, reference will now be made to the following detailed description taken in conjunction with the accompanying drawings in which:
FIG. 1 is a schematic structural view of a secondary raw material feeding system of a blast furnace ore coke groove;
FIG. 2 is a schematic view of the structure of a sub-raw material tank;
FIG. 3 is a schematic longitudinal sectional view of a sub-raw material tank;
FIG. 4 is a schematic cross-sectional view of a secondary feed tank;
fig. 5 is a schematic structural view of the chute.
Reference numerals: the device comprises an auxiliary raw material tank 1, a feeder 2, a chute 3, a vibrating screen 4, a weighing hopper 5, a storage bin 6, a chute body 7, a partition plate 8, a feeding port 9, a discharging port 10, a straight section 11, a conical section 12, an under-tank adhesive tape machine 13, a chute inlet 14, a chute outlet 15 and a lining plate 16.
Detailed Description
The following description of the embodiments of the present invention is provided for illustrative purposes, and other advantages and effects of the present invention will be readily apparent to those skilled in the art from the disclosure herein. The present invention can also be implemented or applied through other different specific embodiments, and various details in the present specification can be modified or changed based on different viewpoints and applications without departing from the spirit of the present invention. It should be noted that the drawings provided in the following embodiments are only for illustrating the basic idea of the present invention, and the features in the following embodiments and examples may be combined with each other without conflict.
Wherein the showings are for the purpose of illustrating the invention only and not for the purpose of limiting the same, and in which there is shown by way of illustration only and not in any way limiting the scope of the invention; for a better understanding of the embodiments of the present invention, some parts of the drawings may be omitted, enlarged or reduced, and do not represent the size of an actual product; it will be understood by those skilled in the art that certain well-known structures in the drawings and descriptions thereof may be omitted.
The same or similar reference numerals in the drawings of the embodiments of the present invention correspond to the same or similar parts; in the description of the present invention, it should be understood that if there are terms such as "upper", "lower", "left", "right", "front", "back", etc., indicating directions or positional relationships based on the directions or positional relationships shown in the drawings, it is only for convenience of description and simplification of description, but it is not intended to indicate or imply that the device or element referred to must have a specific direction, be constructed and operated in a specific direction, and therefore, the terms describing the positional relationships in the drawings are only used for illustrative purposes and are not to be construed as limiting the present invention, and those skilled in the art can understand the specific meanings of the terms according to specific situations.
Referring to fig. 1 to 5, a feeding system for auxiliary raw material of a coke tank of a blast furnace is disclosed, which is characterized in that: comprises an auxiliary raw material groove 1, a feeder 2, a chute 3, a vibrating screen 4 and a weighing hopper 5 which are connected in sequence.
In this embodiment, vice raw material tank 1 includes silo body 7 and sets up baffle 8 in silo body 7, is provided with pan feeding mouth 9 on one side of silo body 7, and pan feeding mouth 9 is two, two pan feeding mouth 9 parallel arrangement. Be provided with discharge gate 10 on the one side that pan feeding mouth 9 was kept away from to silo body 7, the extending direction of discharge gate 10 is parallel with the extending direction of pan feeding mouth 9, and the baffle is 2, and 2 baffle 8 are parallel arrangement in proper order along the extending direction of pan feeding mouth 9, and 2 baffle 8 separate silo body 7 for 3 feed bins 6. Each bin 6 is communicated with a discharge hole 10. One sub-raw material tank 1 can store and discharge 3 different materials at the same time.
In this embodiment, the trough body 7 includes a straight section 11 and a tapered section 12, and the straight section 11 and the tapered section 12 are communicated with each other. The cross-sectional shape of straight section 11 is the rectangle, and the cross-section of toper section 12 is triangle-shaped, and 9 pan feeding mouths set up on the straight section 11 one side of keeping away from toper section 11, and the discharge gate setting is on the one side of keeping away from straight section 11 on the toper section.
In this embodiment, a under-groove adhesive tape machine 13 is further provided, and the weighing hopper 5 is connected with the under-groove adhesive tape machine 13.
When in actual use, the method comprises the following steps:
feeding, starting the feeder 2, and enabling the material in the hopper 6 corresponding to the feeder 2 to enter the vibrating screen 4 through the chute 3 under the action of the feeder 2;
screening, wherein the vibrating screen 4 screens the material entering the vibrating screen 4, and the screened material enters a weighing hopper 5;
weighing, wherein the weighing hopper 5 weighs the material entering the weighing hopper 5 until the weight of the material in the weighing hopper 5 reaches a set value of the material, and the feeding machine 2 stops;
and repeating the steps, starting the 3 feeders 2 in sequence until the total weight of the materials in the weighing hopper 5 reaches a set value, and stopping the vibrating screen 4 after the weighing of the weighing hopper 5 is stable.
The under-groove adhesive tape machine 13 is arranged below the weighing hopper 5, the weighing hopper 5 is opened after the total weight of the materials in the weighing hopper 5 reaches a set value, the materials fall on the under-groove adhesive tape machine 13 under the action of gravity, and the under-groove adhesive tape machine 13 finally conveys the materials to the blast furnace.
Finally, 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 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, and all of them should be covered by the scope of the claims of the present invention.
Claims (7)
1. The utility model provides a vice raw materials feeding system of blast furnace ore deposit burnt groove which characterized in that: including the vice raw materials groove, batcher, chute, shale shaker and the weighing hopper that connect gradually, vice raw materials inslot is provided with a plurality of feed bin, the batcher is a plurality of, the batcher with the feed bin corresponds the setting, the feed bin through correspond the batcher with the chute intercommunication.
2. The secondary raw material feeding system of the blast furnace ore coke groove of claim 1, characterized in that: the auxiliary raw material groove comprises a groove body and a plurality of partition plates arranged in the groove body, and the groove body is divided into a plurality of storage bins by the partition plates.
3. The secondary raw material feeding system of the blast furnace ore coke groove of claim 2, characterized in that: be provided with the pan feeding mouth on one side of silo body, the silo body is kept away from be provided with the discharge gate on one side of pan feeding mouth, the extending direction of discharge gate with the extending direction of pan feeding mouth is parallel, and a plurality of baffle is followed the extending direction of pan feeding mouth sets gradually, a plurality of the feed bin equally divide do not with the pan feeding mouth reaches the discharge gate intercommunication.
4. The secondary raw material feeding system of the blast furnace ore coke groove of claim 3, characterized in that: the material groove body comprises a straight section and a conical section, the cross section of the straight section is rectangular, the cross section of the conical section is triangular, the feeding port is formed in the straight section, and the discharging port is formed in the conical section.
5. The secondary raw material feeding system of the blast furnace ore coke groove of claim 1, characterized in that: the feed bin reaches the batcher is 3.
6. The secondary raw material feeding system of the blast furnace ore coke groove of claim 5, characterized in that: the chute is the four-way chute, 3 the feed bin is respectively through 3 batcher and four-way silo intercommunication.
7. The secondary raw material feeding system of the blast furnace ore coke groove of claim 1, characterized in that: the weighing hopper is connected with the under-groove adhesive tape machine.
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| CN202020377216.0U CN212051499U (en) | 2020-03-23 | 2020-03-23 | Blast furnace ore deposit coke groove auxiliary raw materials feeding system |
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| CN202020377216.0U CN212051499U (en) | 2020-03-23 | 2020-03-23 | Blast furnace ore deposit coke groove auxiliary raw materials feeding system |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111286574A (en) * | 2020-03-23 | 2020-06-16 | 中冶赛迪工程技术股份有限公司 | Blast furnace ore coke groove auxiliary raw material feeding system and using method thereof |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111286574A (en) * | 2020-03-23 | 2020-06-16 | 中冶赛迪工程技术股份有限公司 | Blast furnace ore coke groove auxiliary raw material feeding system and using method thereof |
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