CN218936031U - Granular silicon long-distance nitrogen closed-loop conveying structure - Google Patents
Granular silicon long-distance nitrogen closed-loop conveying structure Download PDFInfo
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- CN218936031U CN218936031U CN202222784406.6U CN202222784406U CN218936031U CN 218936031 U CN218936031 U CN 218936031U CN 202222784406 U CN202222784406 U CN 202222784406U CN 218936031 U CN218936031 U CN 218936031U
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Abstract
The utility model provides a granular silicon long-distance nitrogen closed-loop conveying structure, which comprises a powder bin, wherein a bin pump is arranged at the bottom of the powder bin, the powder bin is connected with a tank truck discharging device through the bin pump, a low-pressure feeding tank is fixedly connected with a discharging opening of the tank truck discharging device, and a cooler is communicated with an inlet air storage tank through a secondary dust remover; the raw material silicon transported by the utility model is ground and mechanically conveyed to a silicon powder bin, a compressor is used as a power source, fluid nitrogen is compressed and pressurized, materials in a bin pump are conveyed to a low-pressure silicon powder hopper through pressurization, fluidization and blowing under the action of nitrogen pressure, discharged nitrogen is filtered and recovered by a primary dust remover above the low-pressure silicon powder hopper, pressurized and recovered to an inlet gas storage tank by a secondary dust remover, and then the nitrogen is recycled by the compressor to form closed cycle.
Description
Technical Field
The utility model belongs to the technical field of nitrogen transportation, and relates to a long-distance nitrogen closed-loop transportation structure for granular silicon.
Background
The demand of the semiconductor industry and other silicon industries for silicon is increasingly growing, the quality requirement for silicon is also higher, and many silicon industries are also moving from overseas to nations, and the quality requirement for silicon is also higher, so that the nitrogen circulating pneumatic conveying system is a high-technology system with high technical content and can ensure the quality of silicon, and is a necessary trend of special-property material conveying.
Disclosure of Invention
The utility model aims to provide a long-distance nitrogen closed-loop conveying structure for granular silicon, so as to solve the problems in the prior art.
The aim of the utility model can be achieved by the following technical scheme:
the utility model provides a granule silicon long distance nitrogen gas closed loop transport structure, includes powder storehouse, export gas holder, storehouse pump, low pressure feed tank, one-level dust remover, secondary dust remover and online filter, the bottom in powder storehouse is provided with the storehouse pump, just the powder storehouse passes through the storehouse pump and is connected with tank car discharge apparatus, tank car discharge apparatus's discharge opening fixedly connected with low pressure feed tank, just the low pressure feed tank passes through one-level dust remover and is connected with the cooler, the cooler passes through secondary dust remover and entry gas holder intercommunication.
In the granular silicon long-distance nitrogen closed-loop conveying structure, the powder bin is connected with the outlet air storage tank through the bin pump.
In the granular silicon long-distance nitrogen closed-loop conveying structure, the outlet air storage tank is communicated with the inlet air storage tank through a pressure-maintaining self-circulation pipeline.
In the granular silicon long-distance nitrogen closed-loop conveying structure, the pressure-maintaining self-circulation pipeline is provided with an online filter and a compressor.
Compared with the prior art, the granular silicon long-distance nitrogen closed-loop conveying structure has the advantages that:
the transported raw material silicon is ground and mechanically conveyed to a silicon powder bin, a compressor is used as a power source, fluid nitrogen is compressed and pressurized, materials in a bin pump are conveyed to a low-pressure silicon powder hopper through pressurization, fluidization and blowing under the action of nitrogen pressure, discharged nitrogen is filtered and recovered through a primary dust remover above the low-pressure silicon powder hopper, pressurized and recovered to an inlet gas storage tank through a secondary dust remover, and then the nitrogen enters the compressor again for cyclic utilization to form closed cycle.
Drawings
FIG. 1 is a schematic structural view of a long-distance nitrogen closed-loop transport structure of granular silicon according to the present utility model.
In the figure, 1, a powder bin; 2. an outlet air storage tank; 3. a bin pump; 4. a tank truck discharging device; 5. a low pressure feed tank; 6. a primary dust remover; 7. a cooler; 8. a secondary dust remover; 9. an inlet air storage tank; 10. pressure maintaining self-circulation pipeline; 11. an online filter; 12. a compressor.
Detailed Description
The following are specific embodiments of the present utility model and the technical solutions of the present utility model will be further described with reference to the accompanying drawings, but the present utility model is not limited to these embodiments.
The utility model provides a granule silicon long distance nitrogen gas closed loop conveying structure, including powder storehouse 1, export gas holder 2, storehouse pump 3, low pressure feed tank 5, one-level dust remover 6, secondary dust remover 8 and online filter 11, the bottom of powder storehouse 1 is provided with storehouse pump 3, and powder storehouse 1 passes through storehouse pump 3 and tank car discharge apparatus 4 to be connected, tank car discharge apparatus 4's discharge opening fixedly connected with low pressure feed tank 5, and low pressure feed tank 5 passes through one-level dust remover 6 and is connected with cooler 7, and cooler 7 passes through secondary dust remover 8 and entry gas holder 9 intercommunication.
As shown in figure 1, in the granular silicon long-distance nitrogen closed-loop conveying structure, a powder bin 1 is connected with an outlet air storage tank 2 through a bin pump 3.
As shown in fig. 1, in the granular silicon long-distance nitrogen closed-loop conveying structure, an outlet air storage tank 2 is communicated with an inlet air storage tank 9 through a pressure-maintaining self-circulation pipeline 10.
As shown in FIG. 1, in the granular silicon long-distance nitrogen closed-loop conveying structure, an online filter 11 and a compressor 12 are arranged on a pressure-maintaining self-circulation pipeline 10.
As shown in fig. 1, the granular silicon long-distance nitrogen closed-loop conveying structure of the utility model,
the utility model relates to a granular silicon long-distance nitrogen closed-loop conveying structure, which comprises the following working procedures: the compressor 12 is selected for the air source power equipment, the model of the compressor 12 can be replaced according to specific conditions, the compressor 12 conveys nitrogen to the outlet air storage tank 2, the outlet air storage tank 2 conveys the nitrogen to the bin pump 3, when the powder bin 1 is opened for discharging, the nitrogen pushes materials to the low-pressure feed tank 5, the lower part of the low-pressure feed tank 5 is used for discharging, the nitrogen pushed by the materials is subjected to gas treatment through the primary dust remover 6 and then cooled to a proper temperature through the cooler 7, the nitrogen is subjected to gas treatment through the secondary dust remover 8 and conveyed to the inlet air storage tank 9, the nitrogen in the inlet air storage tank 9 is finally subjected to final gas treatment through the online filter 11 and conveyed to the compressor 12, in addition, the tank truck discharging device 4 is arranged on the ground of the low-pressure feed tank 5, and when a pneumatic conveying system cannot normally operate, the tank truck is used for discharging.
What is not described in detail in this specification is prior art known to those skilled in the art. The specific embodiments described herein are offered by way of example only to illustrate the spirit of the utility model. Those skilled in the art may make various modifications or additions to the described embodiments or substitutions thereof without departing from the spirit of the utility model or exceeding the scope of the utility model as defined in the accompanying claims.
Claims (4)
1. The utility model provides a granule silicon long distance nitrogen gas closed loop transport structure, includes powder storehouse (1), export gas holder (2), storehouse pump (3), low pressure feed tank (5), one-level dust remover (6), secondary dust remover (8) and online filter (11), its characterized in that, the bottom of powder storehouse (1) is provided with storehouse pump (3), just powder storehouse (1) are connected with tank car discharge apparatus (4) through storehouse pump (3), the discharge opening fixedly connected with low pressure feed tank (5) of tank car discharge apparatus (4), just low pressure feed tank (5) are connected with cooler (7) through one-level dust remover (6), cooler (7) are through secondary dust remover (8) and entry gas holder (9) intercommunication.
2. The granular silicon long-distance nitrogen closed-loop conveying structure according to claim 1, wherein the powder bin (1) is connected with an outlet air storage tank (2) through a bin pump (3).
3. The granular silicon long-distance nitrogen closed-loop conveying structure according to claim 2, wherein the outlet air storage tank (2) is communicated with the inlet air storage tank (9) through a pressure-maintaining self-circulation pipeline (10).
4. A granular silicon long-distance nitrogen closed-loop conveying structure according to claim 3, characterized in that the pressure-maintaining self-circulation pipeline (10) is provided with an online filter (11) and a compressor (12).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202222784406.6U CN218936031U (en) | 2022-10-21 | 2022-10-21 | Granular silicon long-distance nitrogen closed-loop conveying structure |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202222784406.6U CN218936031U (en) | 2022-10-21 | 2022-10-21 | Granular silicon long-distance nitrogen closed-loop conveying structure |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN218936031U true CN218936031U (en) | 2023-04-28 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN202222784406.6U Active CN218936031U (en) | 2022-10-21 | 2022-10-21 | Granular silicon long-distance nitrogen closed-loop conveying structure |
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| CN (1) | CN218936031U (en) |
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- 2022-10-21 CN CN202222784406.6U patent/CN218936031U/en active Active
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