CN216729530U - Silicon plug type bottom blowing structure for discharging silicon metal - Google Patents
Silicon plug type bottom blowing structure for discharging silicon metal Download PDFInfo
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- CN216729530U CN216729530U CN202123364674.4U CN202123364674U CN216729530U CN 216729530 U CN216729530 U CN 216729530U CN 202123364674 U CN202123364674 U CN 202123364674U CN 216729530 U CN216729530 U CN 216729530U
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Abstract
The utility model provides a silicon plug type bottom blowing structure for discharging metal silicon, which comprises a casting material plug body, wherein a gas mixing cavity is arranged at the lower part of the casting material plug body, the bottom end of the gas mixing cavity is communicated with a gas inlet pipeline, the top of the gas mixing cavity is communicated with a gas vent pipeline, and the gas vent pipeline penetrates through the casting material plug body and extends out of the top end of the casting material plug body. According to the novel plug type bottom blowing device, the gas mixing cavity is arranged on the lower portion of the pouring material plug body which is thin at the top and thick at the bottom, the plug type bottom blowing size is small in whole, the size of the bottom blowing size can be adjusted at any time according to the diameter and the size of a silicon pack, the bottom end of the gas mixing cavity is communicated with the gas inlet pipeline, the top of the gas mixing cavity is communicated with the gas vent pipeline, the gas vent area is small, the gas vent efficiency is high, the situation that a silicon liquid churning area does not directly brush the pack wall is guaranteed, and the service life of the pack wall can be greatly prolonged.
Description
Technical Field
The utility model relates to silicon metal ladle bottom blowing, in particular to a silicon metal ladle plug type bottom blowing structure for discharging silicon metal.
Background
At present, two practical bottom blowing types are provided for metal silicon production enterprises, one type is a cylinder with the bottom diameter of 100-150mm and the height of 60-80mm, 5-10 vent pipes with the diameter of 3-6mm are welded on the cylinder, the bottom blowing type structure is welded at the center of the bottom of a silicon ladle when the cylinder is installed, the cylinder is integrally cast in a casting material at the bottom of the silicon ladle, and when the length of the bottom blowing vent pipe is consumed to 30cm from 50cm, the bottom blowing type structure needs to be replaced. And (3) cleaning silicon slag at the bottom of the ladle, manually cleaning the castable with the circumference of about 40cm and the two layers of refractory bricks at the bottom of the bottom blowing, and removing the old bottom blowing. And welding a new bottom blowing again. Two layers of refractory bricks at the bottom of the bottom blowing are built again, castable is poured on the upper refractory rotating part, the original thickness of the ladle bottom is recovered to be 50cm, the labor is high when the bottom blowing is replaced, maintenance workers are required to cooperate with cutting and welding, and at least 2 working days are required when one bottom blowing is replaced. When the refractory castable is replaced, the bottom-coated refractory castable needs to be dug out, and the bottom blowing is removed for replacement, so that the practical service life is short, the replacement difficulty is high, the risk in the practical process is high, and silicon leakage is easy to occur; another is as follows: this kind of bottom blowing of patent grant publication No. CN 204224267U protection, a resistant firebrick that contains the slit is installed on heat-resisting steel cover, forms the combination formula bottom blowing, and the volume that this kind of bottom blowing is great, and the volume size is fixed, and the size of silicon package size can't match, and the area diameter of ventilating with the silicon liquid contact reaches 20-30cm, leads to the silicon liquid to turn over the area big, directly erodees a packet wall, causes the life-span of silicon package inside lining short.
SUMMERY OF THE UTILITY MODEL
In order to solve the problems in the prior art, the utility model provides a silicon plug type bottom blowing structure for discharging metal silicon.
The technical scheme adopted by the utility model is as follows: the utility model provides a silicon stopper formula bottom blowing structure of discharging of metallic silicon, includes the pouring material cock body, and the lower part of pouring material cock body is equipped with the gas mixing cavity, and the bottom of gas mixing cavity and intake pipe are put through mutually, and the top of gas mixing cavity and breather pipe put through mutually, and the breather pipe runs through the pouring material cock body and stretches out from pouring material cock body top.
Furthermore, a round hole with the diameter of 15-20mm is arranged at the center of the lower bottom of the gas mixing cavity, and the gas inlet pipeline extends into the round hole and is fixedly connected with the round hole; the top surface of the gas mixing cavity takes the corresponding position of the circular hole as the center of a circle, the circular hole has equal radius and is provided with a small hole every 60-72 degrees, and each small hole is fixedly connected with one vent pipe.
Further, the pouring material plug body is a cone with the lower bottom diameter of 130-200mm, the upper bottom diameter of 50-120mm and the height of 250-450 mm.
Furthermore, the diameter of the gas mixing cavity is 50-100mm, and the height of the gas mixing cavity is 40-80 mm.
Furthermore, the inner diameter of the air inlet pipeline is 10-15mm, and the inner diameter of the ventilation pipeline is 3-5 mm.
Compared with the prior art, the utility model has the beneficial effects that:
1. according to the novel plug type bottom blowing device, the gas mixing cavity is arranged on the lower portion of the pouring material plug body which is thin at the top and thick at the bottom, the plug type bottom blowing size is small in whole, the size of the bottom blowing size can be adjusted at any time according to the diameter and the size of a silicon pack, the bottom end of the gas mixing cavity is communicated with the gas inlet pipeline, the top of the gas mixing cavity is communicated with the gas vent pipeline, the gas vent area is small, the gas vent efficiency is high, the situation that a silicon liquid churning area does not directly brush the pack wall is guaranteed, and the service life of the pack wall can be greatly prolonged.
2. The bottom blowing structure of the utility model is simple, the manufacturing cost is 1/5 of the finished bottom blowing product, the structure is simple, the processing is convenient, the replacement is easy, the ventilation efficiency is high, the utility model has great effects on prolonging the service life of the silicon bag and improving the quality of the metal silicon product, and the popularization and the application are easy.
3. The ventilation area of the bottom blowing device does not exceed 2/3 of the liquid level of the silicon ladle, so that the ladle wall is prevented from being washed by the turnover of silicon liquid, the chemical erosion of the contact of silicon slag and the ladle wall to the ladle wall is avoided, the service life of the lining of the silicon ladle is prolonged by more than 5 times, the replacement frequency is low, the safety is good, and the ladle-penetrating accident of the bottom blowing part of the silicon ladle is not easy to happen.
Drawings
FIG. 1 is a schematic structural diagram of the present invention;
in the figure: 1. an air duct; 2. a castable plug body; 3. a gas mixing cavity; 4. entering a pipeline; 5. and (4) bolts.
Detailed Description
The utility model will be further explained and explained with reference to the drawings;
a silicon plug type bottom blowing structure for discharging metal silicon from a furnace comprises a pouring material plug body which is thin at the upper part and thick at the lower part, wherein a gas mixing cavity is arranged at the lower part of the pouring material plug body, the bottom end of the gas mixing cavity is communicated with a gas inlet pipeline, the top of the gas mixing cavity is communicated with a gas vent pipeline, and the gas vent pipeline penetrates through the pouring material plug body and extends out of the top end of the pouring material plug body; the method specifically comprises the following steps: the pouring material plug body is a cone with the diameter of 130-200mm at the lower bottom, the diameter of 50-120mm at the upper bottom and the height of 250-450 mm. The diameter of the gas mixing cavity is 50-100mm, and the height of the gas mixing cavity is 40-80 mm. A circular hole with the diameter of 15-20mm is formed in the center of the lower bottom of the gas mixing cavity, and the gas inlet pipeline extends into the circular hole and is fixedly connected with the circular hole; the top surface of the gas mixing cavity takes the corresponding position of the circular hole as the center of a circle, the gas mixing cavity has equal radius and is provided with a small hole every 60-72 degrees, and each small hole is fixedly connected with one vent pipe. The inner diameter of the air inlet pipeline is 10-15mm, and the inner diameter of the ventilation pipeline is 3-5 mm.
The working principle of the utility model is as follows: placing a leak-proof plate with a hole opened in advance at the bottom of the mold, placing a welded ventilation device into a pouring mold prepared in advance, placing a ventilation channel below the ventilation channel and a low-cement pouring material at the upper part of the air inlet, mixing the pouring material with 3-5% of water according to a proportion, pouring the mixture into the mold, naturally solidifying for 8-24 hours, then demolding, taking out the poured plug type bottom blowing, placing the bottom blowing into an oven, and drying and roasting according to a temperature rise curve. When the bottom blowing type silicon ladle is used, the burnt bottom blowing type quick mounting flange can be mounted on a silicon ladle for use, the ventilation area is small, the ventilation efficiency is high, and the inner overturning area of the silicon ladle can be controlled, so that the scouring and erosion of silicon liquid to the ladle wall are avoided; after the breather pipe that blows at bottom of stopper formula exposure consumed and finishes, the cock body of lower part consumed 1/3, when needing to be changed and blow at the bottom, only need with the silicon sediment clean up of silicon package bottom, open the mounting flange that blows at the bottom, take out and blow at the bottom, the new bottom of installation is blown, and the flange is blown at the bottom in the fastening, packs the pouring material at the bottom again, resumes package bottom thickness 50cm, can, 1 people can accomplish in the change within 1-2 hours, and the dismouting is changed conveniently, labour saving and time saving.
Claims (5)
1. The utility model provides a silicon stopper formula bottom blowing structure is seen from stove to metallic silicon which characterized in that: the air mixing device comprises a pouring material plug body which is thin at the top and thick at the bottom, wherein a gas mixing cavity is arranged at the lower part of the pouring material plug body, the bottom end of the gas mixing cavity is communicated with an air inlet pipeline, the top of the gas mixing cavity is communicated with an air pipeline, and the air pipeline penetrates through the pouring material plug body and extends out of the top end of the pouring material plug body.
2. The silicon tapping plug type bottom blowing structure of claim 1, wherein:
a circular hole with the diameter of 15-20mm is formed in the center of the lower bottom of the gas mixing cavity, and the gas inlet pipeline extends into the circular hole and is fixedly connected with the circular hole; the top surface of the gas mixing cavity takes the corresponding position of the circular hole as the center of a circle, the circular hole has equal radius and is provided with a small hole every 60-72 degrees, and each small hole is fixedly connected with one ventilation pipeline.
3. A silicon-plugged bottom-blowing structure for tapping silicon metal according to claim 1 or 2, wherein: the pouring material plug body is a cone with the diameter of 130-200mm at the lower bottom, the diameter of 50-120mm at the upper bottom and the height of 250-450 mm.
4. The silicon-plugged bottom-blowing structure of the metal silicon tapping furnace as claimed in claim 3, wherein:
the diameter of the gas mixing cavity is 50-100mm, and the height of the gas mixing cavity is 40-80 mm.
5. A silicon-on-plug bottom blowing structure for tapping metallic silicon as claimed in claim 1, 2 or 4, wherein: the inner diameter of the air inlet pipeline is 10-15mm, and the inner diameter of the ventilation pipeline is 3-5 mm.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202123364674.4U CN216729530U (en) | 2021-12-30 | 2021-12-30 | Silicon plug type bottom blowing structure for discharging silicon metal |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202123364674.4U CN216729530U (en) | 2021-12-30 | 2021-12-30 | Silicon plug type bottom blowing structure for discharging silicon metal |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN216729530U true CN216729530U (en) | 2022-06-14 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202123364674.4U Active CN216729530U (en) | 2021-12-30 | 2021-12-30 | Silicon plug type bottom blowing structure for discharging silicon metal |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN216729530U (en) |
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2021
- 2021-12-30 CN CN202123364674.4U patent/CN216729530U/en active Active
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