CN219525606U - Multistage coal conveying bin - Google Patents
Multistage coal conveying bin Download PDFInfo
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- CN219525606U CN219525606U CN202320735194.4U CN202320735194U CN219525606U CN 219525606 U CN219525606 U CN 219525606U CN 202320735194 U CN202320735194 U CN 202320735194U CN 219525606 U CN219525606 U CN 219525606U
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- coal conveying
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- conveying bin
- conveying
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Abstract
The utility model relates to the technical field of smelting conveying equipment, in particular to a multi-stage coal conveying bin, which comprises a first coal conveying bin, wherein a second coal conveying bin is arranged below the first coal conveying bin, and the first coal conveying bin is connected with the second coal conveying bin through a first conveying pipeline; the top of the first coal conveying bin is provided with a first sealing cover body, the top of the second coal conveying bin is provided with a second sealing cover body, the top of the first sealing cover body is provided with a feeding pipe, and an electric sealing valve is arranged on the feeding pipe. The utility model provides a multi-stage coal conveying bin which can avoid the occurrence of deflagration.
Description
Technical Field
The utility model relates to the technical field of smelting conveying equipment, in particular to a multi-stage coal conveying bin.
Background
Pulverized coal production systems can be generally classified into intermediate bin type and direct blowing type. The intermediate powder bin is that the produced powdered coal is stored in the intermediate powder coal bin and then is conveyed into a smelting furnace according to the requirement. The middle powder bin type concrete coal conveying mode is that pulverized coal falling into a conveying pipeline from a pulverized coal bin is conveyed into a smelting furnace through wind power by a blower, and in the conveying process, if the pulverized coal collapses in the pulverized coal bin, a large amount of pulverized coal and air in a material outlet pipe can be discharged into the smelting furnace in a short time, so that a deflagration phenomenon occurs, and the production safety is not facilitated.
Disclosure of Invention
The purpose of the utility model is that: the utility model provides a multi-stage coal conveying bin which can avoid the occurrence of deflagration.
In order to achieve the above purpose, the technical scheme of the utility model is as follows:
the multi-stage coal conveying bin comprises a first coal conveying bin, wherein a second coal conveying bin is arranged below the first coal conveying bin, and the first coal conveying bin is connected with the second coal conveying bin through a first conveying pipeline;
a first sealing cover body is arranged at the top of the first coal conveying bin, a second sealing cover body is arranged at the top of the second coal conveying bin, a feeding pipe is arranged at the top of the first sealing cover body, and an electric sealing valve is arranged on the feeding pipe;
the second coal conveying bin is connected with a first horizontal conveying pipe through a second conveying pipeline, a conveying screw machine is arranged in the first horizontal conveying pipe, and the output end of the first horizontal conveying pipe is connected with a second horizontal conveying pipe;
and the second horizontal conveying pipe is connected with an air blast coal conveying device.
As an improvement: a plurality of vibrating motors are arranged on the side wall of the second coal conveying bin.
As an improvement: the blast coal conveying device comprises a first air inlet pipeline, a second air inlet pipeline and a main air inlet pipeline, wherein the input end of the first air inlet pipeline is connected with the main air inlet pipeline, the output end of the first air inlet pipeline is connected with the second horizontal conveying pipe, the input end of the second air inlet pipeline is connected with the main air inlet pipeline, and the output end of the second air inlet pipeline extends to the inside of the first coal conveying bin;
the input end of the main air inlet pipeline is connected with a blower.
As an improvement: the first coal conveying bin is larger than the second coal conveying bin in volume.
As an improvement: the output end of the second horizontal conveying pipe extends into the external smelting furnace.
In summary, the utility model has the following beneficial effects:
1. a second coal conveying bin is arranged below the first coal conveying bin, and even if pulverized coal collapses in the first coal conveying bin, the collapsed pulverized coal does not directly fall into the horizontal conveying pipe, but falls into the second coal conveying bin for transfer, so that the occurrence of deflagration is avoided;
2. the side wall of the second coal conveying bin is provided with a plurality of vibrating motors, and the vibrating motors can uniformly discharge pulverized coal energy and prevent the occurrence of blocking;
3. the air blower conveys air to the inside of the first coal conveying bin through the main air inlet pipeline and the second air inlet pipeline, so that the pressure balance inside the real coal conveying equipment can be ensured.
Drawings
In order to more clearly illustrate the technical solutions in the embodiments of the present utility model, the drawings used in the description of the embodiments or the prior art will be briefly described below.
FIG. 1 is a schematic diagram of the overall structure of a multi-stage coal conveying bin;
FIG. 2 is a top view of a multi-stage coal conveying bin;
wherein: 1. a first coal conveying bin; 2. a second coal conveying bin; 3. a first delivery conduit; 4. a first sealing cover; 5. a second sealing cover; 6. a feed pipe; 7. an electrically-operated sealing valve; 8. a first horizontal transfer pipe; 9. a conveying screw; 10. a second horizontal conveying pipe; 11. vibrating the motor; 12. a first air intake duct; 13. a second air intake duct; 14. a main air intake duct; 15. a blower; 16. and a second conveying pipeline.
Detailed Description
The utility model is described in further detail below with reference to the accompanying drawings.
Referring to fig. 1-2, a multi-stage coal conveying bin comprises a first coal conveying bin 1, wherein a second coal conveying bin 2 is arranged below the first coal conveying bin 1, and the first coal conveying bin 1 is connected with the second coal conveying bin 2 through a first conveying pipeline 3; the first coal conveying bin 1 is larger in volume than the second coal conveying bin 2.
The top of the first coal conveying bin 1 is provided with a first sealing cover body 4, the top of the second coal conveying bin 2 is provided with a second sealing cover body 5, the top of the first sealing cover body 4 is provided with a feeding pipe 6, and the feeding pipe 6 is provided with an electric sealing valve 7;
the second coal conveying bin 2 is connected with a first horizontal conveying pipe 8 through a second conveying pipeline 16, a conveying screw 9 is arranged in the first horizontal conveying pipe 8, and the output end of the first horizontal conveying pipe 8 is connected with a second horizontal conveying pipe 10;
a blast coal conveyor is connected to the second horizontal transfer pipe 10, and the output end of the second horizontal transfer pipe 10 extends into the external smelting furnace.
In this embodiment, set up the second coal conveying storehouse 2 in the below of first coal conveying storehouse 1, even have fine coal to take place to collapse in first coal conveying storehouse 1, the fine coal that collapses also does not directly fall into horizontal conveying pipe, but falls into in the second coal conveying storehouse 2, carries out the transfer, and then has avoided the emergence of deflagration phenomenon.
In this embodiment, a plurality of rapping motors 11 are arranged on the side wall of the second coal conveying bin 2. The setting of the vibrating motor 11 can make the pulverized coal evenly discharged, and prevent the occurrence of blocking;
the blast coal conveying device comprises a first air inlet pipeline 12, a second air inlet pipeline 13 and a main air inlet pipeline 14, wherein the input end of the first air inlet pipeline 12 is connected with the main air inlet pipeline 14, the output end of the first air inlet pipeline is connected with the second horizontal conveying pipe 10, the input end of the second air inlet pipeline 13 is connected with the main air inlet pipeline 14, and the output end of the second air inlet pipeline extends into the first coal conveying bin 1; the inlet end of the main intake pipe 14 is connected to a blower 15.
In this embodiment, the blower 15 delivers air to the inside of the first coal conveying bin 1 through the main air inlet pipe 14 and the second air inlet pipe 13, so that pressure balance inside the whole coal conveying device can be ensured.
The working flow is as follows: firstly, injecting a certain amount of pulverized coal into the first coal conveying bin 1 through a feed pipe 6, then closing an electric sealing valve 7 to ensure that the first coal conveying bin 1 is in a sealing state, then enabling the pulverized coal in the first coal conveying bin 1 to fall into a second coal conveying bin 2 under the action of gravity and balance wind, enabling the pulverized coal in the second coal conveying bin to fall into a first horizontal conveying pipe 8 through a second conveying pipeline 16, intermittently starting a vibrating motor 11 positioned on the side wall of the second coal conveying bin 2 according to requirements, enabling the pulverized coal in the first horizontal conveying pipe 8 to be conveyed into a second horizontal conveying pipe 10 under the action of a conveying screw 9, and enabling a blower 15 to blow the pulverized coal in the second horizontal conveying pipe 10 into an external smelting furnace in the whole conveying process;
in the conveying process, even if the pulverized coal in the first coal conveying bin 1 collapses, when the pulverized coal falls into the second coal conveying bin 2 through the first conveying pipeline 3, the pulverized coal in the second coal conveying bin 2 can be received in the second coal conveying bin 2, and the pulverized coal and air in the horizontal conveying pipe cannot be directly discharged into the smelting furnace in a large amount in a short time, so that the occurrence of the deflagration phenomenon is avoided.
Finally, it should be noted that: the above embodiments are only for illustrating the technical solution of the present utility model and not for limiting the same; while the utility model has been described in detail with reference to the preferred embodiments, those skilled in the art will appreciate that; modifications may be made to the specific embodiments of the present utility model or equivalents may be substituted for part of the technical features thereof; without departing from the spirit of the utility model, it is intended to cover the scope of the utility model as claimed.
Claims (5)
1. The multi-stage coal conveying bin is characterized by comprising a first coal conveying bin, wherein a second coal conveying bin is arranged below the first coal conveying bin, and the first coal conveying bin is connected with the second coal conveying bin through a first conveying pipeline;
a first sealing cover body is arranged at the top of the first coal conveying bin, a second sealing cover body is arranged at the top of the second coal conveying bin, a feeding pipe is arranged at the top of the first sealing cover body, and an electric sealing valve is arranged on the feeding pipe;
the second coal conveying bin is connected with a first horizontal conveying pipe through a second conveying pipeline, a conveying screw machine is arranged in the first horizontal conveying pipe, and the output end of the first horizontal conveying pipe is connected with a second horizontal conveying pipe;
and the second horizontal conveying pipe is connected with an air blast coal conveying device.
2. The multi-stage coal conveying bin according to claim 1, wherein a plurality of vibrating motors are arranged on the side wall of the second coal conveying bin.
3. The multi-stage coal conveying bin according to claim 1, wherein the blast coal conveying device comprises a first air inlet pipeline, a second air inlet pipeline and a main air inlet pipeline, the input end of the first air inlet pipeline is connected with the main air inlet pipeline, the output end of the first air inlet pipeline is connected with the second horizontal conveying pipe, the input end of the second air inlet pipeline is connected with the main air inlet pipeline, and the output end of the second air inlet pipeline extends into the first coal conveying bin;
the input end of the main air inlet pipeline is connected with a blower.
4. The multi-stage coal conveying bin of claim 1, wherein the first coal conveying bin is larger in volume than the second coal conveying bin.
5. The multi-stage coal conveying bin of claim 1 wherein the output end of the second horizontal conveying pipe extends into an external smelting furnace.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202320735194.4U CN219525606U (en) | 2023-04-03 | 2023-04-03 | Multistage coal conveying bin |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202320735194.4U CN219525606U (en) | 2023-04-03 | 2023-04-03 | Multistage coal conveying bin |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN219525606U true CN219525606U (en) | 2023-08-15 |
Family
ID=87635128
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202320735194.4U Active CN219525606U (en) | 2023-04-03 | 2023-04-03 | Multistage coal conveying bin |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN219525606U (en) |
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2023
- 2023-04-03 CN CN202320735194.4U patent/CN219525606U/en active Active
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