CN212457926U

CN212457926U - End feeding device for submerged arc furnace

Info

Publication number: CN212457926U
Application number: CN202021227195.0U
Authority: CN
Inventors: 吴治海
Original assignee: Yunnan Baoshan Hongyi Furnace Engineering Co ltd
Current assignee: Yunnan Baoshan Hongyi Furnace Engineering Co ltd
Priority date: 2020-06-29
Filing date: 2020-06-29
Publication date: 2021-02-02
Anticipated expiration: 2030-06-29

Abstract

The utility model relates to an end material feeding unit for ore-smelting furnace belongs to the feeder equipment field, ore-smelting furnace end material feeding unit include feed bin, unloading pipe, feeder, the crooked pipe of unloading pipe for having the radian, the both ends of unloading pipe are connected with feed bin and feeder respectively. The utility model discloses an unloading pipe with radian conveys the feed device with the mixture in from the feed bin, transports the mixture to the cloth workshop section by feed device again, owing to the unloading pipe that has the radian can make different specification granularity mixtures even in proper order, steady transport to feed device to both guaranteed the thickness misce bene uniformity of mixture entering into the cloth workshop section, cushioned again in the feed bin material can not cause the putty to feed device's vertical compression.

Description

End feeding device for submerged arc furnace

Technical Field

The utility model belongs to the feeding equipment field, specifically speaking relates to an end material feeding unit for submerged arc furnace.

Background

In the process of smelting ore, three steps of burdening, feeding and distributing are required, wherein the feeding step refers to that the prepared mixture is conveyed to a distributing working section through a conveying device, and the distributing working section adds the prepared mixture into the ore-smelting furnace.

The mixture is generally obtained by crushing ores in a stock ground into blocks with proper diameters, adding wood blocks, coal blocks or coke into the blocks to mix, conveying the mixed mixture to a material distribution working section through a conveying device, and adding the mixed mixture into a submerged arc furnace in a mode of feeding outside or inside the furnace. No matter the charging mode of charging outside the furnace or charging inside the furnace is adopted for charging, the distribution section needs to ensure the uniformity of the mixture to be charged.

However, in the existing feeding mode, the mixture discharged from the bin is directly conveyed to the material distribution working section through the feeding device, when the feeding device conveys the mixture to the material distribution working section, because a great height difference exists between the feeding working section of the submerged arc furnace and the material distribution working section, a height drop is formed when the two working sections feed, and the diameter and the weight of the ore are generally larger than those of the coal briquette and the charcoal in the falling process of the mixture.

Disclosure of Invention

In order to overcome the problems in the background technology, the utility model provides an end feeding device for a submerged arc furnace; the thickness mixing uniformity of the mixed materials entering the material distribution working section is ensured, and the vertical pressure of the materials in the storage bin on the feeding device is buffered, so that the materials cannot be blocked.

In order to achieve the above purpose, the utility model is realized by the following technical scheme:

the end feeding device for the submerged arc furnace comprises a storage bin 1, a discharging pipe 2 and a feeding device 3, wherein the discharging pipe 2 is a bent pipe with radian, and two ends of the discharging pipe 2 are respectively connected with the storage bin 1 and the feeding device 3.

Further, the blanking pipe 2 includes an inlet 201, an outlet 202, a first bending section 203, a second bending section 204, and a connecting section 205, the inlet 201 is connected with the first bending section 203, the first bending section 203 is connected with the second bending section 204 through the connecting section 205, the second bending section 204 is connected with the outlet 202, the inlet 201 is connected with the bin 1, and the outlet 202 is connected with the feeding device 3.

Further, the cross sections of the inlet 201, the outlet 202, the first bending section 203, the second bending section 204 and the connecting section 205 are all annular structures.

Further, the inner diameters of the inlet 201, the outlet 202, the first bending section 203, the second bending section 204 and the connecting section 205 have the same value.

Further, the blanking pipe 2 is provided with a vibration motor I4.

Further, the feeding device 3 comprises a feeding hole 5, a discharging hole 6, a feeding channel 7 and a vibrating motor II 8, the feeding hole 5 connected with the feeding channel 7 is formed in the top of one end of the feeding channel 7, the discharging hole 6 is formed in the bottom of the other end of the feeding channel 7, and the vibrating motor II 8 is arranged at the bottom of the feeding end of the feeding channel 7.

Further, the feeding channel 7 is an open feeding groove or a closed feeding pipe.

Further, when the feeding channel 7 is an open feeding groove, a cover plate is arranged on the feeding groove.

The utility model has the advantages that:

the utility model discloses an unloading pipe with radian conveys the feed device with the mixture in from the feed bin, transports the mixture to the cloth workshop section by feed device again, owing to the unloading pipe that has the radian can make different specification granularity mixtures even in proper order, steady transport to feed device to both guaranteed the thickness misce bene uniformity of mixture entering into the cloth workshop section, cushioned again in the feed bin material can not cause the putty to feed device's vertical compression.

Drawings

Fig. 1 is a schematic structural view of the present invention;

fig. 2 is a schematic structural view of the feeding tube of the present invention.

Detailed Description

In order to make the objects, technical solutions and advantages of the present invention clearer, the following will explain in detail a preferred embodiment of the present invention with reference to the accompanying drawings to facilitate understanding of the skilled person.

As shown in fig. 1 and 2, the end feeding device for the submerged arc furnace comprises a storage bin 1, a blanking pipe 2 and a feeding device 3, wherein the blanking pipe 2 is a bent pipe with a radian, and two ends of the blanking pipe 2 are respectively connected with the storage bin 1 and the feeding device 3. In adding feed bin 1 with the complex mixture, the mixture enters into unloading pipe 2 through its discharge gate, because unloading pipe 2 is the crooked pipe that has the radian, the mixture enters into unloading pipe 2 back, and the mixture can be alleviated carry to feeder 3 along the crooked inner chamber of unloading pipe 2. The feeding device 3 comprises a feeding hole 5, a discharging hole 6, a feeding channel 7 and a vibrating motor II 8, wherein the feeding hole 5 connected with the feeding channel 7 is formed in the top of one end of the feeding channel 7, the discharging hole 6 is formed in the bottom of the other end of the feeding channel 7, and the vibrating motor II 8 is arranged at the bottom of the feeding end of the feeding channel 7. After the mixture entered into in the material feeding passageway 7 through feed inlet 5, vibrating motor II 8 drove the vibration of material feeding passageway 7, make the mixture vibration in the material feeding passageway 7 carry to the distributing device, pay-off downwards through the bent tube that has the radian earlier like this, 3 gentle pay-off to the distributing device of rethread feeding device, can avoid the mixture vertical whereabouts to appear the batching separation and lead to the inhomogeneous condition of batching mixture, thereby guarantee that the mixture is entering into the in-process of cloth workshop section, the separation can not appear in the batching in the mixture, keep the even mixture of mixture all the time.

The utility model discloses in, unloading pipe 2 include import 201, export 202, first crooked section 203, the crooked section 204 of second, linkage segment 205, import 201 be connected with first crooked section 203, first crooked section 203 is connected with the crooked section 204 of second through linkage segment 205, the crooked section 204 of second is connected with export 202, import 201 is connected with feed bin 1, export 202 is connected with feed device 3. The mixture in the silo 1 enters the first bending section 203 through the inlet 201, the first bending section 203 performs a vertical transition on the mixture to enable the mixture to move downwards gently along the curved inner surface of the first bending section 203, then the mixture is fed to the second bending section 204 gently through the inclined connecting section 205, and the second bending section 204 performs a vertical transition again to enable the mixture to enter the feeding channel 7 gently through the outlet 202.

In the present invention, preferably, the cross sections of the inlet 201, the outlet 202, the first bending section 203, the second bending section 204, and the connecting section 205 are all ring-shaped structures; the inner diameters of the inlet 201, the outlet 202, the first bending section 203, the second bending section 204 and the connecting section 205 have the same value. Can guarantee like this that whole unloading pipe 2's internal diameter is unanimous, from 1 discharge gate exhaust mixture of feed bin at the whereabouts in-process, can transport through unloading pipe 2 is even, avoid appearing the pipe diameter nonconformity and lead to the mixture to appear blanking too fast condition in the great position of pipe diameter, further guaranteed that the mixture still keeps the state of homogeneous mixing at the blanking in-process.

And a vibrating motor I4 is arranged on the blanking pipe 2. Preferably, the vibration motor i 4 is installed on the outer wall of the connecting section 205, the length of the connecting section 205 is relatively longer than that of the first bending section 203 and the second bending section 204, and the vibration motor i 4 is installed on the outer wall of the connecting section 205, so that the mixture entering the connecting section 205 can smoothly fall to the second bending section 204 along the inclined inner cavity path with enough power, and the mixture is prevented from being blocked in the discharging pipe 2.

The feeding channel 7 is an open feeding groove or a closed feeding pipe, and when the feeding channel 7 is the open feeding groove, a cover plate is arranged on the feeding groove. Through adopting the open chute feeder or closed conveying pipe of taking the apron, the mixture is in the vibration transportation in-process, avoids the dust that the mixture was raised in the vibration in-process to fly away in the air influence the environment.

Finally, it is noted that the above-mentioned preferred embodiments illustrate rather than limit the invention, and that, although the invention has been described in detail with reference to the above-mentioned preferred embodiments, it will be understood by those skilled in the art that various changes in form and details may be made therein without departing from the scope of the invention as defined by the appended claims.

Claims

1. The utility model provides an ore deposit end material feeding unit for hot stove which characterized in that: the end feeding device for the submerged arc furnace comprises a storage bin (1), a discharging pipe (2) and a feeding device (3), wherein the discharging pipe (2) is a bent pipe with a radian, and two ends of the discharging pipe (2) are respectively connected with the storage bin (1) and the feeding device (3).

2. The end feeding device for the submerged arc furnace as claimed in claim 1, characterized in that: unloading pipe (2) including import (201), export (202), first crooked section (203), second crooked section (204), linkage segment (205), import (201) be connected with first crooked section (203), first crooked section (203) are connected with second crooked section (204) through linkage segment (205), second crooked section (204) are connected with export (202), import (201) are connected with feed bin (1), export (202) are connected with feed device (3).

3. The end feeding device for the submerged arc furnace as claimed in claim 2, characterized in that: the cross sections of the inlet (201), the outlet (202), the first bending section (203), the second bending section (204) and the connecting section (205) are all of annular structures.

4. The end feeding device for the submerged arc furnace as claimed in claim 2 or 3, characterized in that: the inner diameters of the inlet (201), the outlet (202), the first bending section (203), the second bending section (204) and the connecting section (205) are the same.

5. The end feeding device for the ore-smelting furnace as claimed in any one of claims 1 to 3, wherein: the blanking pipe (2) is provided with a vibration motor I (4).

6. The end feeding device for the ore-smelting furnace as claimed in any one of claims 1 to 3, wherein: the feeding device (3) comprises a feeding hole (5), a discharging hole (6), a feeding channel (7) and a vibrating motor II (8), wherein the feeding hole (5) connected with the feeding channel (7) is formed in the top of one end of the feeding channel (7), the discharging hole (6) is formed in the bottom of the other end of the feeding channel (7), and the vibrating motor II (8) is arranged at the bottom of the feeding end of the feeding channel (7).

7. The end feeding device for the submerged arc furnace as claimed in claim 6, characterized in that: the feeding channel (7) is an open feeding groove or a closed feeding square pipe or a circular pipe.

8. The end feeding device for the submerged arc furnace as claimed in claim 7, characterized in that: when the feeding channel (7) is an open type feeding groove, a cover plate is arranged on the feeding groove.