CN217442138U - Drying device for lump ore in steel mill - Google Patents
Drying device for lump ore in steel mill Download PDFInfo
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- CN217442138U CN217442138U CN202220369420.7U CN202220369420U CN217442138U CN 217442138 U CN217442138 U CN 217442138U CN 202220369420 U CN202220369420 U CN 202220369420U CN 217442138 U CN217442138 U CN 217442138U
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Abstract
The application discloses steel mill lump ore drying device includes: the device comprises a support frame, a feeding groove is arranged on the support frame, a belt conveyor is arranged above the feeding groove, a dryer is obliquely arranged below the feeding groove, a base is arranged at the bottom of the dryer, one end of the dryer is connected with a gas hot blast stove through a hot blast pipe, the other end of the dryer is connected with a dust treatment device through an air outlet pipe, and a vibrating screen is arranged at the bottom of the dryer through a support seat; wherein be provided with a plurality of sleeves in the first drying section, connect through the connecting rod between per two sleeves, every telescopic inner wall all is provided with the poplar dust board, is provided with the straight board in the second drying section, and the inner wall of first drying section, second drying section and third drying section all is provided with the heat preservation. This drying device has solved current lump ore drying efficiency lower, and the dust is separated not good from the lump ore in addition, influences the treatment effect of dust in the lump ore, is unfavorable for reducing the problem that iron and steel smelting energy resource consumed and carbon discharged.
Description
Technical Field
The application relates to the technical field of steel processing equipment, in particular to a drying device for lump ores in a steel mill.
Background
Lump ore belongs to raw ore, the edible proportion of a blast furnace is not too high, the raw ore proportion is increased by 10%, and the coke ratio is increased by 5%. Lump ores are various in types and different in quality, more moisture and dust exist in the natural environment in the raw ores, and the moisture and the dust can absorb heat energy in later-stage processing to influence the coke ratio of a blast furnace and the scrap steel ratio of a converter, so that the method is not beneficial to smelting high-efficiency and low-cost production. The existing lump ore drying efficiency is low, and the effect of separating dust from the lump ore is not good, so that the treatment effect of the dust in the lump ore is influenced, and the reduction of energy consumption and carbon emission in steel smelting is not facilitated.
Therefore, the application provides a drying device for lump ores in a steel mill to solve the problems.
SUMMERY OF THE UTILITY MODEL
The application provides a steel mill lump ore drying device, it is lower to have solved current lump ore drying efficiency, and the dust is separated effect not good from the lump ore in addition, influences the treatment effect of dust in the lump ore, is unfavorable for reducing the problem that iron and steel smelting energy resource consumed and carbon discharged.
In order to solve the technical problem, the application provides a steel mill lump ore drying device, includes: the device comprises a support frame, wherein a feed chute is arranged on the support frame, a belt conveyor is arranged above the feed chute, a dryer is obliquely arranged below the feed chute, a base is arranged at the bottom of the dryer, one end of the dryer is connected with a gas hot blast stove through a hot blast pipe, the other end of the dryer is connected with a dust treatment device through an air outlet pipe, and a vibrating screen is arranged at the bottom of the dryer through a support seat; the drying machine is characterized in that a first drying section, a second drying section and a third drying section are sequentially arranged in the drying machine from front to back, a plurality of sleeves are arranged in the first drying section, every two sleeves are connected through connecting rods, each sleeve inner wall is provided with a dust raising plate, a straight plate is arranged in the second drying section, and the inner walls of the first drying section, the second drying section and the third drying section are provided with heat insulation layers.
Furthermore, the dust treatment device is connected with a baffle arranged on the supporting frame through a dust suction pipe.
Further, the inclined clamping angle between the dryer and the ground is 1% -2%.
Further, the dust processing apparatus includes: the draught fan, the one end of draught fan with go out the union coupling, the other end of draught fan advances the dirt union coupling, advance the dirt pipe and spray the chamber and be connected, it is connected with the outlet duct to spray on the chamber, the outlet duct is connected with the sack cleaner.
Furthermore, the dust raising plate comprises a bottom plate fixedly connected with the inner wall of each sleeve, and a side plate is vertically connected to the bottom plate.
Further, the method also comprises the following steps: the temperature sensor is arranged in the dryer and connected with the controller.
Further, a plurality of limiting plates are equidistantly arranged on the belt conveyor.
Compare in prior art, the application provides a steel mill lump ore drying device includes: the device comprises a support frame, a feeding groove is arranged on the support frame, a belt conveyor is arranged above the feeding groove, a dryer is obliquely arranged below the feeding groove, a base is arranged at the bottom of the dryer, one end of the dryer is connected with a gas hot blast stove through a hot blast pipe, the other end of the dryer is connected with a dust treatment device through an air outlet pipe, and a vibrating screen is arranged at the bottom of the dryer through a support seat; wherein, first drying section, second drying section and third drying section have set gradually in the drying-machine from the past to the back, are provided with a plurality of sleeves in the first drying section, connect through the connecting rod between per two sleeves, and every telescopic inner wall all is provided with the raise dust board, is provided with straight board in the second drying section, and the inner wall of first drying section, second drying section and third drying section all is provided with the heat preservation.
When the drying device is used, lump ore is conveyed by the belt conveyor to be discharged from the upper part of the feed chute, hot air provided by the gas hot-blast stove is conveyed into the drying machine as a heat source, the lump ore is scattered into different sleeves in the first drying section and is lifted by the dust raising plate after entering the drying machine, and the lump ore is lifted by the straight plate in the second drying section. Therefore, lump ores are separated and dispersed in the first drying section and the second drying section, the temperature contact is more uniform, and the drying effect is better. And the effect of the adsorption treatment of the dust separated from the lump ore in the dryer by the dust treatment device is better. Is beneficial to reducing the energy consumption and carbon emission of iron and steel smelting.
Drawings
In order to more clearly explain the technical solution of the present application, the drawings needed to be used in the embodiments are briefly described below, and it is obvious for those skilled in the art to obtain other drawings without making any inventive changes.
Fig. 1 is a schematic structural view of a drying device provided by an embodiment of the present invention;
fig. 2 is a schematic view of an internal structure of a first drying section according to an embodiment of the present invention;
fig. 3 is a schematic view of an internal structure of a second drying section according to an embodiment of the present invention;
fig. 4 is a schematic view illustrating an installation of a limiting plate according to an embodiment of the present invention;
fig. 5 is a schematic diagram of a dust raising plate structure provided by the embodiment of the present invention.
In the figure: 1 support frame, 12 feed chutes, 3 band conveyer, 5 drying-machines, 51 base, 52 hot-blast main, 4 gas hot-blast furnace, 53 play tuber pipe, 54 supporting seats, 6 shale shaker, 56 first stoving section, 57 second stoving section, 58 third stoving section, 561 sleeve, 59 connecting rods, 562 raise dust board, 571 straight board, 72 dust absorption pipe, 111 baffle, 61 draught fan, 611 play tuber pipe, 62 advance the dirt pipe, 63 spray the chamber, 631 outlet duct, 10 sack cleaner, 5611 bottom plate, 5612 curb plate, 331 limiting plate.
Detailed Description
In order to make those skilled in the art better understand the technical solutions in the present application, the technical solutions in the embodiments of the present application will be clearly and completely described below with reference to the accompanying drawings, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all embodiments.
In the description of the application, it is to be understood that the terms "central," "longitudinal," "lateral," "upper," "lower," "front," "rear," "left," "right," "vertical," "horizontal," "top," "bottom," "inner," "outer," and the like are used in the orientation or positional relationship indicated in the drawings for convenience in describing the application and for simplicity in description, and are not intended to indicate or imply that the referenced devices or elements must have a particular orientation, be constructed in a particular orientation, and be operated in a particular manner, and are not to be considered limiting of the application.
The core of this application is to provide a steel mill lump ore drying device, can solve current lump ore drying efficiency lower, and the dust is separated from the lump ore not good moreover, influences the treatment effect of dust in the lump ore, is unfavorable for reducing the problem that iron and steel smelting energy resource consumed and carbon discharged.
Fig. 1 is a schematic structural view of a drying device provided in an embodiment of the present invention; fig. 2 is a schematic view of an internal structure of a first drying section according to an embodiment of the present invention; fig. 3 is a schematic view of an internal structure of a second drying section according to an embodiment of the present invention; fig. 4 is a schematic view illustrating an installation of a limiting plate according to an embodiment of the present invention; fig. 5 is a schematic diagram of a dust raising plate structure provided by the embodiment of the present invention. As shown in fig. 1-4, comprising: the device comprises a support frame 1, wherein a feed chute 12 is arranged on the support frame 1, a belt conveyor 3 is arranged above the feed chute 12, a dryer 5 is obliquely arranged below the feed chute 12, a base 51 is arranged at the bottom of the dryer 5, one end of the dryer 5 is connected with a gas hot-blast stove 4 through a hot-blast pipe 52, the other end of the dryer 5 is connected with a dust treatment device through an air outlet pipe 53, and a vibrating screen 6 is arranged at the bottom of the dryer 5 through a support seat 54; wherein, first stoving section 56, second stoving section 57 and third stoving section 58 have set gradually after to in the past in the drying-machine 5, are provided with a plurality of sleeves 561 in the first stoving section 56, connect through connecting rod 59 between per two sleeves 561, and the inner wall of every sleeve 561 all is provided with raise dust board 562, is provided with straight board 571 in the second stoving section 57, and the inner wall of first stoving section 56, second stoving section 57 and third stoving section 58 all is provided with the heat preservation.
In detail, the supporting frame 1 serves as a blanking end of the lump ore, where a worker can observe. Band conveyer 3 carries the piece mineral material, and for more even unloading, further, equidistant a plurality of limiting plates 331 are provided with on band conveyer 3. The lump ore is separated between each limit plate 331 and discharged downwards, and the discharging is more uniform. In order to facilitate the adsorption of dust in the blanking process, further, the dust treatment device is connected with a baffle 111 arranged on the support frame 1 through a dust suction pipe 72. The baffle 111 is arranged in the gap of the support frame 1 to prevent dust from flying. The bottom of the dryer 5 is provided with a base 51, one end of the dryer 5 is connected with a gas hot-blast stove 4 through a hot-blast pipe 52, and a heat source provided by the gas hot-blast stove 4 is conveyed into the dryer 5 through the hot-blast pipe 52. Wherein, the drying-machine 5 is internally provided with a first drying section 56, a second drying section 57 and a third drying section 58 from front to back in sequence, the first drying section 56 is positioned at a position with higher temperature, the drying-machine 5 is obliquely arranged, and further, the oblique included angle between the drying-machine 5 and the ground is 1-2%. And the feed chute 12 has the height, therefore the lump ore gets into in the barrel 561 that sets up in first stoving section 56 behind the downwards, and the effect that the lump ore was dried after being dispersed is better, connects through connecting rod 59 between per two barrel 561, all is provided with raise dust board 562 at the inner wall of every barrel 561 moreover, and the lump ore contacts with raise dust board 562 and is separated once more, and not only the stoving effect is better, can make the dust in the lump ore adsorb after being separated. Further, the dust raising plate 562 includes a bottom plate 5611 fixedly connected to an inner wall of each sleeve 561, and a side plate 5612 vertically connected to the bottom plate 5611.
In detail, the second drying section 57 is provided with a straight plate 571 therein, and the lump ore is not adhered to the wall by the arrangement of the straight plate 571 and is dried again and separated from the dust. Finally, the vibrating screen 6 is discharged from the third drying section 58 and falls on the supporting seat 54, the vibrating screen 6 can screen the dried lump ore again, the powder content of the lump ore is reduced, and the air permeability of the blast furnace is good during later processing. And the inner walls of the first drying section 56, the second drying section 57 and the third drying section 58 are all provided with heat-insulating layers, so that the heat-insulating effect is better, and the drying efficiency is increased. The dust processing device connected with the other end of the dryer 5 through the air outlet pipe 53 can absorb and process dust in the drying process. Further, the dust processing apparatus includes: draught fan 61, draught fan 61's one end and play tuber pipe 611 are connected, and the other end of draught fan 61 enters dirt pipe 62 and connects, enters dirt pipe 62 and sprays the chamber 63 and be connected, sprays and is connected with outlet duct 631 on the chamber 63, and outlet duct 631 is connected with sack cleaner 10. After the dust enters the spraying cavity 63 and is sprayed, the residual gas enters the bag-type dust collector 10 and is adsorbed. It should be noted that the spraying chamber 63 is provided with a conventional spraying device, which is not described in detail herein. In order to facilitate the detection of the temperature, further, the method further comprises: and a temperature sensor is arranged in the dryer 5 and is connected with the controller.
Compared with the prior art, when the drying device is used, lump ore is conveyed by the belt conveyor to be discharged from the upper part of the feeding chute, hot air provided by the gas hot-blast stove is conveyed into the drying machine as a heat source, the lump ore is scattered into different sleeves in the first drying section after entering the drying machine and is lifted by the dust raising plate, and the lump ore is lifted by the straight plate in the second drying section. Therefore, lump ores are separated and dispersed in the first drying section and the second drying section, the temperature contact is more uniform, and the drying effect is better. And the effect of the adsorption treatment of the dust separated from the lump ore in the dryer by the dust treatment device is better. Is beneficial to reducing the energy consumption and carbon emission of iron and steel smelting.
Other embodiments of the present application will be apparent to those skilled in the art from consideration of the specification and practice of the application disclosed herein. This application is intended to cover any variations, uses, or adaptations of the invention following, in general, the principles of the application and including such departures from the present disclosure as come within known or customary practice in the art to which the invention pertains. It is intended that the specification and examples be considered as exemplary only, with a true scope of the disclosure being indicated by the following claims.
It will be understood that the present application is not limited to the precise arrangements described above and shown in the drawings and that various modifications and changes may be made without departing from the scope thereof. The above-described embodiments of the present application do not limit the scope of the present application.
Claims (7)
1. The utility model provides a steel mill lump ore drying device which characterized in that includes: the device comprises a support frame, wherein a feed chute is arranged on the support frame, a belt conveyor is arranged above the feed chute, a dryer is obliquely arranged below the feed chute, a base is arranged at the bottom of the dryer, one end of the dryer is connected with a gas hot blast stove through a hot blast pipe, the other end of the dryer is connected with a dust treatment device through an air outlet pipe, and a vibrating screen is arranged at the bottom of the dryer through a support seat; the drying machine is characterized in that a first drying section, a second drying section and a third drying section are sequentially arranged in the drying machine from the front to the back, a plurality of sleeves are arranged in the first drying section, every two sleeves are connected through connecting rods, each sleeve inner wall is provided with a dust raising plate, a straight plate is arranged in the second drying section, and the inner walls of the first drying section, the second drying section and the third drying section are provided with heat insulation layers.
2. The steel mill lump ore drying device of claim 1, wherein the dust treatment device is connected with a baffle arranged on the support frame through a dust suction pipe.
3. The drying device for the lump ore in the steel mill according to claim 1, wherein an inclined angle between the dryer and the ground is 1-2%.
4. The steel mill lump ore drying device of claim 1, wherein the dust processing apparatus comprises: the draught fan, the one end of draught fan with go out the union coupling, the other end of draught fan advances the dirt union coupling, advance the dirt pipe and spray the chamber and be connected, it is connected with the outlet duct to spray on the chamber, the outlet duct is connected with the sack cleaner.
5. The drying device for the lump ore in the steel mill according to claim 1, wherein the dust raising plate comprises a bottom plate fixedly connected with the inner wall of each sleeve, and a side plate is vertically connected to the bottom plate.
6. The drying device for the lump ore in the steel mill according to claim 1, further comprising: and the temperature sensor is arranged in the dryer and is connected with the controller.
7. The drying device for the lump ore in the steel mill according to claim 1, wherein a plurality of limiting plates are equidistantly arranged on the belt conveyor.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202220369420.7U CN217442138U (en) | 2022-02-23 | 2022-02-23 | Drying device for lump ore in steel mill |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202220369420.7U CN217442138U (en) | 2022-02-23 | 2022-02-23 | Drying device for lump ore in steel mill |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN217442138U true CN217442138U (en) | 2022-09-16 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202220369420.7U Active CN217442138U (en) | 2022-02-23 | 2022-02-23 | Drying device for lump ore in steel mill |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN217442138U (en) |
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2022
- 2022-02-23 CN CN202220369420.7U patent/CN217442138U/en active Active
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