CN211771485U - Continuous type rough ferronickel production device - Google Patents
Continuous type rough ferronickel production device Download PDFInfo
- Publication number
- CN211771485U CN211771485U CN202020303544.6U CN202020303544U CN211771485U CN 211771485 U CN211771485 U CN 211771485U CN 202020303544 U CN202020303544 U CN 202020303544U CN 211771485 U CN211771485 U CN 211771485U
- Authority
- CN
- China
- Prior art keywords
- rotary kiln
- shaft
- shaft cylinder
- continuous
- ferronickel
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired - Fee Related
Links
- 229910000863 Ferronickel Inorganic materials 0.000 title claims abstract description 20
- 238000004519 manufacturing process Methods 0.000 title claims description 15
- PXHVJJICTQNCMI-UHFFFAOYSA-N Nickel Chemical compound [Ni] PXHVJJICTQNCMI-UHFFFAOYSA-N 0.000 claims description 14
- 238000001914 filtration Methods 0.000 claims description 10
- 229910052759 nickel Inorganic materials 0.000 claims description 7
- CURLTUGMZLYLDI-UHFFFAOYSA-N Carbon dioxide Chemical compound O=C=O CURLTUGMZLYLDI-UHFFFAOYSA-N 0.000 claims description 6
- 229910002092 carbon dioxide Inorganic materials 0.000 claims description 3
- 239000001569 carbon dioxide Substances 0.000 claims description 3
- 239000002245 particle Substances 0.000 claims description 3
- 239000007787 solid Substances 0.000 claims description 3
- 230000000149 penetrating effect Effects 0.000 claims description 2
- 238000010924 continuous production Methods 0.000 claims 1
- UGFAIRIUMAVXCW-UHFFFAOYSA-N Carbon monoxide Chemical compound [O+]#[C-] UGFAIRIUMAVXCW-UHFFFAOYSA-N 0.000 abstract description 8
- 229910002091 carbon monoxide Inorganic materials 0.000 abstract description 8
- 230000009467 reduction Effects 0.000 abstract description 5
- 230000000694 effects Effects 0.000 abstract description 4
- 238000003756 stirring Methods 0.000 abstract description 4
- 238000003723 Smelting Methods 0.000 description 5
- 239000002893 slag Substances 0.000 description 5
- 230000002829 reductive effect Effects 0.000 description 4
- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 description 2
- 229910052799 carbon Inorganic materials 0.000 description 2
- 239000003638 chemical reducing agent Substances 0.000 description 2
- 238000003466 welding Methods 0.000 description 2
- 238000002485 combustion reaction Methods 0.000 description 1
- 238000002425 crystallisation Methods 0.000 description 1
- 230000008025 crystallization Effects 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 239000000428 dust Substances 0.000 description 1
- 238000010891 electric arc Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 230000004907 flux Effects 0.000 description 1
- 239000000446 fuel Substances 0.000 description 1
- 238000009413 insulation Methods 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 229910000480 nickel oxide Inorganic materials 0.000 description 1
- GNRSAWUEBMWBQH-UHFFFAOYSA-N oxonickel Chemical compound [Ni]=O GNRSAWUEBMWBQH-UHFFFAOYSA-N 0.000 description 1
- 230000008569 process Effects 0.000 description 1
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 1
Images
Landscapes
- Manufacture And Refinement Of Metals (AREA)
Abstract
The utility model provides a ferronickel apparatus for producing is roughbored to type in succession, this ferronickel apparatus for producing is roughbored to type in succession includes rotary kiln and hot stove in ore deposit, this application stirs through last driving lever and lower driving lever ore in to the rotary kiln, makes the ore thermally equivalent in the rotary kiln, cooperation through beam barrel and centrifugal blade makes carbon monoxide evenly return and discharges in the rotary kiln to under the stirring cooperation of last driving lever and lower driving lever, can make the ore in the rotary kiln and return to the abundant contact of carbon monoxide in the rotary kiln, gain better reduction effect.
Description
Technical Field
The utility model relates to ferronickel processing technology field especially involves a ferronickel apparatus for producing is roughbored to continuous type.
Background
Nickel oxide ore entering a plant yard contains more than 30% moisture (water of crystallization) and it is necessary to remove the moisture in the reduction roasting stage. This process is carried out in a rotary kiln. After the ore is crushed, neutralized and uniformly mixed in a stock ground, a carbon reducing agent and a flux are added into the ore, and the ore is added into a rotary kiln after being fully and uniformly mixed. In a rotary kiln, the ore is roasted and dehydrated, the weight is reduced by about 30%, and nickel is reduced by the added carbon reducing agent to form nickel slag with the temperature of 600-700 ℃. The nickel slag is fed into a feeding bin (inner lining refractory insulation layer) of the submerged arc furnace in an insulated state, and the nickel slag is uniformly distributed into the submerged arc furnace through a sealed tubular distributing device according to the requirements of the production process. Crude ferronickel and electric furnace slag are separated by electric arc smelting in a submerged arc furnace, simultaneously, reductive gas containing CO 75% is generated, the gas is purified and then returned to a rotary kiln to be used as fuel for combustion to provide heat energy required by the rotary kiln, dust is returned to the submerged arc furnace to continue smelting, but the CO returned to the rotary kiln by a traditional production device as the reductive gas cannot be effectively subjected to contact reduction with ores, so that a continuous crude ferronickel production device is needed.
SUMMERY OF THE UTILITY MODEL
The utility model aims at overcoming the defects of the prior art and providing a continuous rough ferronickel production device.
The utility model discloses a realize through following technical scheme:
the utility model provides a continuous rough ferronickel production device, which comprises a rotary kiln and an ore-smelting furnace, wherein a grid plate is fixedly welded inside the rotary kiln, a shaft cylinder is fixedly welded on the grid plate, a rotating shaft is installed in the shaft cylinder, the rotating shaft extends out of the shaft cylinder and is rotatably connected with the upper end of the shaft cylinder, one end of the rotating shaft extending out of the shaft cylinder also extends out of the rotary kiln, centrifugal blades are arranged on the part of the rotating shaft positioned in the shaft cylinder, an upper deflector rod is arranged on the part of the rotating shaft positioned outside the shaft cylinder and positioned in the rotary kiln, a lower deflector rod is rotatably connected on the outer wall of the shaft cylinder, the upper deflector rod and the lower deflector rod are fixedly connected through a connecting rod, the rotary kiln is communicated with the ore-smelting furnace through a discharge channel, and an exhaust pipeline is fixedly welded on the ore-smelting furnace, the exhaust pipeline is provided with a filtering device, extends into the rotary kiln and is communicated with the inside of the shaft barrel, and exhaust holes are uniformly formed in the circumferential side wall of the upper part of the shaft barrel.
Preferably, one end of the rotating shaft extending out of the rotary kiln is provided with a driving motor.
Preferably, the rotating shaft is rotatably connected with the upper end of the shaft cylinder through a bearing.
Preferably, an embedding groove is formed in the outer wall of the lower end of the shaft barrel along the circumferential direction, a rotating ring is sleeved in the embedding groove in a rotating mode, and the lower deflector rod is fixedly connected with the rotating ring.
Preferably, the filtering device comprises a shell and a filtering layer arranged in the shell, wherein the filtering layer is a double-layer filtering net wrapped with solid carbon dioxide particles.
Preferably, one end of the exhaust pipeline extending into the rotary kiln is located below the grid plate, and the other end of the exhaust pipeline fixedly penetrates through the grid plate and the lower end of the shaft cylinder and then is communicated with the inside of the shaft cylinder.
In the above embodiment, the ore in the rotary kiln is stirred by the upper deflector rod and the lower deflector rod, so that the ore is uniformly heated in the rotary kiln, carbon monoxide is uniformly returned and discharged into the rotary kiln through the matching of the shaft cylinder and the centrifugal blade, and the ore in the rotary kiln and the carbon monoxide returned to the rotary kiln can be fully contacted under the matching of the stirring of the upper deflector rod and the lower deflector rod, so that a better reduction effect is obtained.
Drawings
Fig. 1 is a schematic structural view of a continuous rough ferronickel production apparatus according to an embodiment of the present invention.
Detailed Description
In order to make the objects, technical solutions and advantages of the present invention more clearly understood, the present invention is further described in detail below with reference to the accompanying drawings and embodiments. It should be understood that the specific embodiments described herein are merely illustrative of the invention and are not intended to limit the invention.
In order to facilitate understanding of the continuous rough ferronickel production device provided by the embodiment of the present invention, an application scenario thereof will be first explained, the continuous rough ferronickel production device provided by the embodiment of the present invention is used for separating rough ferronickel, and the present invention will be explained in detail with reference to the accompanying drawings and specific embodiments.
Referring to fig. 1, fig. 1 is a schematic structural diagram of a continuous rough ferronickel production apparatus according to an embodiment of the present invention.
As shown in fig. 1, this continuous type rough ferronickel apparatus for producing includes rotary kiln 1 and hot stove in ore deposit 2, and fixed welding has grid plate 3 in rotary kiln 1 inside, and fixed welding has shaft barrel 4 on grid plate 3, and the setting is sealed at shaft barrel 4 both ends, and shaft barrel 4 is vertical to be set up to install pivot 5 in shaft barrel 4, pivot 5 extend shaft barrel 4 outside and with shaft barrel 4 upper end rotate be connected, and pivot 5 extends the outer one end of shaft barrel 4 and still extends outside rotary kiln 1.
In this embodiment, the rotating shaft 5 is rotatably connected with the upper end of the shaft barrel 4 through a bearing 15, specifically, a through hole is formed in the middle of the upper end of the shaft barrel 4, the bearing 15 is fixedly installed in the through hole, and the outer wall of the rotating shaft 5 is fixedly connected with the inner ring of the bearing 15. In addition, a driving motor 14 is installed at one end of the rotating shaft 5 extending out of the rotary kiln 1, specifically, the upper end of the rotating shaft 5 extends out of the rotary kiln 1, the driving motor 14 is fixedly installed at the upper end of the rotary kiln 1, and an output shaft of the driving motor 14 is coaxially and fixedly connected with the upper end of the rotating shaft 5, so that the driving motor 14 drives the rotating shaft 5 to rotate.
Continuing to refer to fig. 1, the fixed centrifugal blade 6 that is provided with on the part that pivot 5 is located the shaft barrel 4, and fixed connection is provided with driving lever 7 on the part that pivot 5 is located the shaft barrel 4 outside and is located rotary kiln 1, and upper driving lever 7 level sets up, rotates on the outer wall of shaft barrel 4 and is connected with down driving lever 8, and lower driving lever 8 level sets up, and upper driving lever 7 passes through connecting rod 9 fixed connection with lower driving lever 8.
When the shaft sleeve is specifically arranged, an embedded groove is formed in the outer wall of the lower end of the shaft sleeve 4 along the circumferential direction, the embedded groove is of a sunken circular ring shape, a rotating ring 16 is sleeved in the embedded groove in a rotating mode, and a lower deflector rod 8 is fixedly connected with the rotating ring 16. In this embodiment, two upper shift levers 7 are symmetrically arranged with the rotating shaft 5 as an axis, two lower shift levers 8 are arranged corresponding to the upper shift levers 7 in a matching manner, and the corresponding upper shift levers 7 and the corresponding lower shift levers 8 are fixedly connected through a connecting rod 9. The ore in the rotary kiln 1 can be stirred by the rotation of the upper deflector rod 7 and the lower deflector rod 8 along with the rotating shaft 5, so that the ore is uniformly heated.
With continued reference to fig. 1, the rotary kiln 1 is communicated with the submerged arc furnace 2 through a discharge passage 10, nickel slag formed by roasting the rotary kiln 1 is conveyed into the submerged arc furnace 2 through the discharge passage 10, and the discharge passage 10 is a passage of the existing lining refractory heat-insulating layer. In addition, an exhaust pipeline 11 is fixedly welded on the submerged arc furnace 2, one end of the exhaust pipeline 11 is communicated with the upper end of the submerged arc furnace 2, and the other end of the exhaust pipeline 11 extends into the rotary kiln 1 and is communicated with the inside of the shaft barrel 4. Besides, the exhaust holes 13 are uniformly arranged on the side wall of the upper periphery of the shaft barrel 4.
In this embodiment, the carbon monoxide generated in the submerged arc furnace 2 returns to the rotary kiln 1 through the exhaust duct 11, and the exhaust duct 11 is provided with the filter device 12, the filter device 12 includes a housing and a filter layer arranged inside the housing, the filter layer is a double-layer filter screen with solid carbon dioxide particles wrapped in the middle, and the carbon monoxide returning to the rotary kiln 1 is filtered through the filter device 12.
When the rotary kiln is further specifically arranged, one end of the exhaust pipeline 11 extending into the rotary kiln 1 is positioned below the grid plate 3, and the end of the exhaust pipeline 11 is fixedly communicated with the inside of the shaft cylinder 4 after penetrating through the grid plate 3 and the lower end of the shaft cylinder 4. Set up like this, when pivot 5 rotated, it is rotatory to drive centrifugal blade 6, under centrifugal blade 6's effect, the carbon monoxide that gets into in the shaft tube 4 was pumped to shaft tube 4 upper portion to evenly discharge in rotary kiln 1 through exhaust hole 13 on shaft tube 4 upper portion, under the stirring cooperation of upper deflector rod 7 and lower deflector rod 8, can make the ore in rotary kiln 1 and the abundant contact of carbon monoxide that enters into rotary kiln 1, gain better reduction effect.
The above description is only exemplary of the present invention and should not be construed as limiting the present invention, and any modifications, equivalents and improvements made within the spirit and principles of the present invention are intended to be included within the scope of the present invention.
Claims (6)
1. A continuous type rough ferronickel production apparatus comprising: the rotary kiln and the submerged arc furnace are characterized in that a grid plate is fixedly welded inside the rotary kiln, a shaft cylinder is fixedly welded on the grid plate, a rotating shaft is installed in the shaft cylinder, the rotating shaft extends out of the shaft cylinder and is rotatably connected with the upper end of the shaft cylinder, one end of the rotating shaft, which extends out of the shaft cylinder, also extends out of the rotary kiln, a centrifugal blade is arranged on the part of the rotating shaft, which is positioned in the shaft cylinder, an upper deflector rod is arranged on the part of the rotating shaft, which is positioned outside the shaft cylinder and is positioned in the rotary kiln, a lower deflector rod is rotatably connected on the outer wall of the shaft cylinder, the upper deflector rod and the lower deflector rod are fixedly connected through a connecting rod, the rotary kiln is communicated with the submerged arc furnace through a discharge channel, an exhaust pipeline is fixedly welded on the submerged arc furnace, a filtering device is installed on the exhaust pipeline, and the exhaust pipeline extends into the rotary, and exhaust holes are uniformly formed in the side wall of the periphery of the upper part of the shaft cylinder.
2. A continuous ferronickel rough production apparatus according to claim 1, wherein a driving motor is installed at an end of the rotary shaft extending outside the rotary kiln.
3. A continuous ferrocrude nickel producing apparatus according to claim 1, wherein the rotary shaft is rotatably connected to the upper end of the shaft barrel through a bearing.
4. A continuous production apparatus for ferrocrude nickel according to claim 1, wherein the outer wall of the lower end of the shaft barrel is provided with an embedding groove along the circumferential direction, a rotating ring is rotatably sleeved in the embedding groove, and the lower deflector rod is fixedly connected with the rotating ring.
5. A continuous ferronickel rough production plant according to claim 1, wherein the filtering device comprises a casing and a filtering layer provided inside the casing, the filtering layer being a double-layer filtering mesh with solid carbon dioxide particles packed in the middle.
6. A continuous ferronickel crude production plant according to claim 1, wherein the end of the exhaust duct extending into the rotary kiln is located below the grid plate, and the end of the exhaust duct is connected to the inside of the shaft cylinder after penetrating the grid plate and the lower end of the shaft cylinder.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020303544.6U CN211771485U (en) | 2020-03-12 | 2020-03-12 | Continuous type rough ferronickel production device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020303544.6U CN211771485U (en) | 2020-03-12 | 2020-03-12 | Continuous type rough ferronickel production device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN211771485U true CN211771485U (en) | 2020-10-27 |
Family
ID=72939629
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202020303544.6U Expired - Fee Related CN211771485U (en) | 2020-03-12 | 2020-03-12 | Continuous type rough ferronickel production device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN211771485U (en) |
-
2020
- 2020-03-12 CN CN202020303544.6U patent/CN211771485U/en not_active Expired - Fee Related
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN205679048U (en) | A kind of coal-based direct reduction calcining kiln | |
| CN112934361B (en) | Molten steel slag disc type air-cooled double-rotating-roller crushing treatment device and method | |
| CN112958246A (en) | High-temperature steel slag disc crushing waste heat recovery device and method | |
| CN211771485U (en) | Continuous type rough ferronickel production device | |
| CN219264914U (en) | Horizontal rotary furnace for recycling waste metal conveniently | |
| CN102277463B (en) | Reduction furnace and device for producing direct reduced iron | |
| CN102268536B (en) | Rapid reduction roasting furnace for red mud and roasting method suitable for same | |
| CN104975180A (en) | Method and device for leaching blast furnace gas dust through ultrasonic-microwave and ammonia combination method | |
| CN215612141U (en) | Broken waste heat recovery device of high temperature slag disc | |
| CN201514116U (en) | Electric furnace in direct connection with rotary kiln | |
| WO2016127674A1 (en) | Hybrid heating equipment and application thereof | |
| CN206661393U (en) | A kind of biomass charcoal powder fine grinding device | |
| CN202610172U (en) | Surface coal gas retort | |
| CN206646075U (en) | A kind of gas-carbon cogeneration top-suction type biomass gasification furnace | |
| CN210862171U (en) | Roasting device for preparing oxide material by one-step method | |
| CN207418663U (en) | A kind of carbonizing apparatus | |
| CN206604572U (en) | A kind of direct draught abraum salt drying and crushing device and system | |
| CN210529012U (en) | Chromium iron processing production is with arranging sediment device | |
| CN201144233Y (en) | Pin wheel edge transmission automatic ash discharging coal gas producer | |
| CN113648748A (en) | A processing system for rotary hearth furnace high temperature dusty flue gas | |
| CN210287396U (en) | Device and system for producing sponge iron | |
| CN209744981U (en) | microwave metallurgical furnace capable of continuously heating | |
| CN212006702U (en) | Oxygen-free rotary roasting furnace | |
| CN113405367A (en) | Lithium battery recovery powder reduction equipment and ternary lithium battery recovery powder reduction method | |
| CN216482329U (en) | Hot air cover for recovering heat energy of rotary kiln |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20201027 |