CN216790872U - Continuous feeding device suitable for new production process requirement of titanium slag electric furnace - Google Patents
Continuous feeding device suitable for new production process requirement of titanium slag electric furnace Download PDFInfo
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- CN216790872U CN216790872U CN202122432393.1U CN202122432393U CN216790872U CN 216790872 U CN216790872 U CN 216790872U CN 202122432393 U CN202122432393 U CN 202122432393U CN 216790872 U CN216790872 U CN 216790872U
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Abstract
The utility model discloses a continuous feeding device suitable for the new production process requirement of a titanium slag electric furnace, which comprises a furnace top weighing bin, a variable-frequency screw feeder, a discharging pipe and a water-cooling material nozzle which are sequentially connected; the bottom end of the furnace top weighing bin is flexibly connected with the variable-frequency screw feeder; the blanking pipe comprises an impact-proof section, an inclined section, a bending section and a wear-resistant section, wherein the impact-proof section is vertically arranged, the inclined section is arranged at the lower part of the side wall of the impact-proof section and is inclined towards the titanium slag electric furnace, the bending section is arranged at the lower end of the inclined section, and the wear-resistant section is connected with the bottom end of the bending section; the water-cooling material nozzle is connected with the bottom end of the wear-resistant section; the inclined section is connected with the bending section through a first insulating flange, the wear-resistant section is connected with the water-cooling material nozzle through a second insulating flange, and the feeding device is scientific in structural design, can feed materials continuously and cannot cause furnace burden accumulation.
Description
Technical Field
The utility model relates to the field of titanium slag smelting, in particular to a continuous feeding device which meets the requirements of a new production process of a titanium slag electric furnace.
Background
The traditional titanium slag electric furnace smelting process in China at present comprises the following steps: realize the fed in batches ration through the weighing of furnace roof feed bin and the control of hydraulic gate valve, for example climb a steel titanium smelter 25.5MVA titanium slag electric furnace and smelt a stove titanium slag time and be 9 hours, need the feed amount to be 150 tons, generally divide into 3 batches and feed in raw material, add 50 tons at every turn, the shortcoming of the fed in raw material mode is in batches:
1. the one-time feeding amount is large, the phenomenon of furnace burden accumulation is serious, the gas permeability of the furnace burden is poor, the phenomena of slag turning and splashing are easily caused, and the damage to equipment is large.
2. The one-time charging amount is large, the furnace burden is not accumulated uniformly, more edge materials are arranged at the center of the accumulation point of the furnace burden, the furnace burden is not melted uniformly, and the electrode sparking phenomenon is easily caused.
The feeding mode in batches is obviously not suitable for the requirement of the new production process of the titanium slag electric furnace, so that a feeding device which can continuously feed and can not cause furnace burden accumulation needs to be researched to meet the requirement of the new production process of the titanium slag electric furnace.
SUMMERY OF THE UTILITY MODEL
The utility model aims to overcome the defects of the prior art and provide the continuous feeding device which is scientific in structural design, can continuously feed materials and does not cause furnace burden accumulation and meets the requirements of the new production process of the titanium slag electric furnace.
In order to realize the purpose of the utility model, the technical proposal of the utility model is as follows:
a continuous feeding device suitable for the new production process requirement of a titanium slag electric furnace comprises a furnace top weighing bin, a variable frequency screw feeder, a discharging pipe and a water-cooling material nozzle which are sequentially connected; the bottom end of the furnace top weighing bin is flexibly connected with the variable-frequency screw feeder; the blanking pipe comprises an impact-proof section, an inclined section, a bending section and a wear-resistant section, wherein the impact-proof section is vertically arranged, the inclined section is arranged at the lower part of the side wall of the impact-proof section and is inclined towards the titanium slag electric furnace, the bending section is arranged at the lower end of the inclined section, and the wear-resistant section is connected with the bottom end of the bending section; the water-cooling material nozzle is connected with the bottom end of the wear-resistant section; the inclined section is connected with the bending section through a first insulating flange, and the wear-resistant section is connected with the water-cooling material nozzle through a second insulating flange.
Preferably, the flexible connection is a tubular member made of rubber; the flexible connection is connected with the bottom of the furnace top weighing bin through a compression flange and is connected with a feed inlet of the variable-frequency screw feeder through a connecting flange.
Preferably, the bottom of the furnace top weighing bin is also provided with a hydraulic gate valve.
Preferably, a layer of grid rib plate is arranged on the inner wall of the wear-resistant section.
Preferably, the variable-frequency screw feeder is of a fully-closed tubular structure, and a shell of the variable-frequency screw feeder is made of high manganese steel.
Preferably, the spiral blades of the variable-frequency screw feeder are made of high-abrasion-resistance materials.
The utility model has the beneficial effects that:
firstly: the variable-frequency speed regulation is realized by utilizing the variable-frequency screw feeder to control the feeding amount, so that the phenomenon that too much feeding amount at one time causes furnace burden accumulation is avoided, meanwhile, the continuous feeding can be realized, and the material layer is uniform;
secondly, the method comprises the following steps: the flexible connection is arranged, so that the metering of the furnace top weighing bin is more accurate and reliable;
thirdly, the method comprises the following steps: a blanking pipe is designed above the furnace cover to be secondary insulation (a first insulation flange and a second insulation flange), so that the good insulation condition of the blanking pipe and the furnace cover is ensured;
fourthly: the inner wall of the wear-resistant section is provided with the grid-shaped rib plate, the material is stored in the rib plate, and when the material is discharged, furnace burden cannot directly impact the pipe wall, so that the abrasion to a discharging pipe is reduced;
fifth: the variable-frequency screw feeder adopts a tubular structure, has good tightness, reduces the pollution to the environment, adopts high-wear-resistant materials as the helical blades, adopts high-manganese steel as the shell, and reduces the abrasion of the raw materials to the equipment.
Drawings
FIG. 1 is a schematic view of the structure of the present invention.
Fig. 2 is a schematic structural diagram of the wear-resistant section.
FIG. 3 is a deployment view of the gusset.
In the figure: 10 is a furnace top weighing bin, 20 is a variable frequency screw feeder, 30 is a blanking pipe, 31 is an impact-proof section, 32 is an inclined section, 33 is a bending section, 34 is a wear-resistant section, 34.1 is a rib plate, 40 is a water-cooled material nozzle, 50 is a soft connection, 51 is a pressing flange, 52 is a connecting flange, 60 is a first insulating flange, 70 is a second insulating flange, and 80 is a hydraulic gate valve.
Detailed Description
The technical solution in the embodiments of the present invention will be clearly and completely described below with reference to the accompanying drawings.
A continuous feeding device suitable for the new production process requirement of a titanium slag electric furnace comprises a furnace top weighing bin 10, a variable frequency screw feeder 20, a discharging pipe 30 and a water-cooling material nozzle 40 which are connected in sequence; a flexible connection 50 is arranged between the bottom end of the furnace top weighing bin 10 and the variable-frequency screw feeder 20; the blanking pipe 30 comprises an impact-proof section 31 which is vertically arranged, an inclined section 32 which is arranged at the lower part of the side wall of the impact-proof section 31 and is inclined towards the titanium slag electric furnace, a bending section 33 which is arranged at the lower end of the inclined section 32, and a wear-resistant section 34 which is connected with the bottom end of the bending section 33; the water-cooling material nozzle 40 is connected with the bottom end of the wear-resistant section 34; the inclined section 32 is connected with the bending section 33 through a first insulating flange 60, and the wear-resistant section 34 is connected with the water-cooling material nozzle 40 through a second insulating flange 70.
Preferably, the flexible connection 50 is a tubular member made of rubber; the flexible connection 50 is connected with the bottom of the furnace top weighing bin 10 through a compression flange 51 and is connected with the feeding hole of the variable-frequency screw feeder 20 through a connecting flange 52, and both the compression flange 51 and the connecting flange 52 can be directly purchased in the market.
Preferably, a hydraulic gate valve 80 is further arranged at the bottom of the furnace top weighing bin 10.
Preferably, a layer of grid rib plates 34.1 is arranged on the inner wall of the wear-resistant section 34, materials are stored in the rib plates 34.1, and when blanking is carried out, furnace burden cannot directly impact the tube wall, so that abrasion to a blanking tube is reduced.
Preferably, the variable-frequency screw feeder 20 is of a fully-closed tubular structure, and the housing of the variable-frequency screw feeder 20 is made of high-manganese steel.
Preferably, the spiral blades of the variable frequency screw feeder 20 are made of high wear-resistant material, such as wear-resistant 400 steel plate or other similar high wear-resistant materials.
The described embodiments are only some embodiments of the utility model, not all embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
Claims (6)
1. A continuous feeding device suitable for the new production process requirement of a titanium slag electric furnace is characterized in that: comprises a furnace top weighing bin (10), a variable frequency screw feeder (20), a discharging pipe (30) and a water-cooling material nozzle (40) which are connected in sequence; a flexible connection (50) is arranged between the bottom end of the furnace top weighing bin (10) and the variable-frequency screw feeder (20); the blanking pipe (30) comprises an impact-proof section (31) which is vertically arranged, an inclined section (32) which is arranged at the lower part of the side wall of the impact-proof section (31) and is inclined towards the titanium slag electric furnace, a bending section (33) which is arranged at the lower end of the inclined section (32), and a wear-resistant section (34) which is connected with the bottom end of the bending section (33); the water-cooling material nozzle (40) is connected with the bottom end of the wear-resistant section (34); the inclined section (32) is connected with the bending section (33) through a first insulating flange (60), and the wear-resistant section (34) is connected with the water-cooling material nozzle (40) through a second insulating flange (70).
2. The continuous feeding device adapted to the new production process requirement of the titanium slag electric furnace according to claim 1, characterized in that: the flexible connection (50) is a tubular piece made of rubber; the flexible connection (50) is connected with the bottom of the furnace top weighing bin (10) through a pressing flange (51) and is connected with a feeding hole of the variable-frequency screw feeder (20) through a connecting flange (52).
3. The continuous feeding device adapted to the new production process requirement of the titanium slag electric furnace according to claim 1, characterized in that: the bottom of the furnace top weighing bin (10) is also provided with a hydraulic gate valve (80).
4. The continuous feeding device adapted to the new production process requirement of the titanium slag electric furnace according to claim 1, characterized in that: a layer of grid rib plates (34.1) is arranged on the inner wall of the wear-resistant section (34).
5. The continuous feeding device adapted to the new production process requirement of the titanium slag electric furnace according to claim 1, characterized in that: the variable-frequency screw feeder (20) is of a fully-closed tubular structure, and a shell of the variable-frequency screw feeder (20) is made of high manganese steel.
6. The continuous feeding device adapted to the new production process requirement of the titanium slag electric furnace according to claim 1, characterized in that: and the spiral blades of the variable-frequency spiral feeder (20) are made of high-wear-resistant materials.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202122432393.1U CN216790872U (en) | 2021-10-10 | 2021-10-10 | Continuous feeding device suitable for new production process requirement of titanium slag electric furnace |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202122432393.1U CN216790872U (en) | 2021-10-10 | 2021-10-10 | Continuous feeding device suitable for new production process requirement of titanium slag electric furnace |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN216790872U true CN216790872U (en) | 2022-06-21 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202122432393.1U Active CN216790872U (en) | 2021-10-10 | 2021-10-10 | Continuous feeding device suitable for new production process requirement of titanium slag electric furnace |
Country Status (1)
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|---|---|
| CN (1) | CN216790872U (en) |
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2021
- 2021-10-10 CN CN202122432393.1U patent/CN216790872U/en active Active
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