CN220130917U - Novel butt joint structure of inflatable cone - Google Patents
Novel butt joint structure of inflatable cone Download PDFInfo
- Publication number
- CN220130917U CN220130917U CN202321454127.1U CN202321454127U CN220130917U CN 220130917 U CN220130917 U CN 220130917U CN 202321454127 U CN202321454127 U CN 202321454127U CN 220130917 U CN220130917 U CN 220130917U
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- cone
- inflatable
- pulverized coal
- shell
- inflatable cone
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- 210000001503 joint Anatomy 0.000 title claims abstract description 17
- 239000003245 coal Substances 0.000 claims abstract description 67
- 238000007789 sealing Methods 0.000 claims abstract description 41
- 241000237942 Conidae Species 0.000 claims abstract description 38
- 230000000694 effects Effects 0.000 abstract description 12
- 238000000034 method Methods 0.000 abstract description 5
- 230000007547 defect Effects 0.000 abstract description 4
- 239000000843 powder Substances 0.000 abstract description 4
- 238000009434 installation Methods 0.000 abstract description 2
- CURLTUGMZLYLDI-UHFFFAOYSA-N Carbon dioxide Chemical compound O=C=O CURLTUGMZLYLDI-UHFFFAOYSA-N 0.000 description 4
- 238000002309 gasification Methods 0.000 description 4
- 238000007689 inspection Methods 0.000 description 4
- IJGRMHOSHXDMSA-UHFFFAOYSA-N Atomic nitrogen Chemical compound N#N IJGRMHOSHXDMSA-UHFFFAOYSA-N 0.000 description 3
- 239000007789 gas Substances 0.000 description 3
- 239000002184 metal Substances 0.000 description 3
- 238000003860 storage Methods 0.000 description 3
- 229910002092 carbon dioxide Inorganic materials 0.000 description 2
- 239000001569 carbon dioxide Substances 0.000 description 2
- 238000002485 combustion reaction Methods 0.000 description 2
- 238000005243 fluidization Methods 0.000 description 2
- 238000010248 power generation Methods 0.000 description 2
- 238000005245 sintering Methods 0.000 description 2
- 239000000126 substance Substances 0.000 description 2
- 238000010586 diagram Methods 0.000 description 1
- 238000007599 discharging Methods 0.000 description 1
- 238000001035 drying Methods 0.000 description 1
- 230000005484 gravity Effects 0.000 description 1
- 238000000227 grinding Methods 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 229910052757 nitrogen Inorganic materials 0.000 description 1
- JCXJVPUVTGWSNB-UHFFFAOYSA-N nitrogen dioxide Inorganic materials O=[N]=O JCXJVPUVTGWSNB-UHFFFAOYSA-N 0.000 description 1
- 238000009423 ventilation Methods 0.000 description 1
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- Air Transport Of Granular Materials (AREA)
Abstract
The utility model discloses a novel butt joint structure of an inflatable cone, which comprises a pulverized coal feeding tank body cone part, an inflatable cone large cone shell, an inflatable cone small cone shell, a pulverized coal conveying pipeline, an inflatable cone large funnel and an inflatable cone leakage pipe, wherein the lower end flange of the pulverized coal feeding tank body cone part is connected with the inflatable cone large cone shell, the inflatable cone large funnel is arranged in the inflatable cone large cone shell, the lower end of the inflatable cone large funnel is fixedly connected with the inflatable cone leakage pipe, and a sealing element is arranged at the joint of the inflatable cone large funnel and the inflatable cone leakage pipe; compared with the prior art, the utility model has the advantages of simple process design, convenient processing and installation, good sealing effect, convenient and firm butt joint by adopting a double sealing structure, and well overcomes the defects of the prior art, improves the sealing effect while being convenient to disassemble and examine, and solves the problems that powder leakage is easy to occur due to poor sealing effect between the large inflatable cone and the leakage pipe of the inflatable cone, and the stable operation of a pulverized coal system is influenced.
Description
Technical Field
The utility model relates to the fields of coal chemical industry and power generation production equipment, in particular to a novel butt joint structure of an inflatable cone.
Background
According to the requirements of coal chemical industry and power generation process, the pulverized coal from the coal grinding and drying unit of the space furnace device enters a pulverized coal storage tank, and the pulverized coal of the pulverized coal storage tank enters the pulverized coal lock hopper by utilizing dead weight after the pressure release of the pulverized coal lock hopper is completed. The pulverized coal lock bucket is isolated from the pulverized coal storage tank, the pulverized coal lock bucket starts to be pressurized, the pulverized coal lock bucket is communicated with the pulverized coal feed tank when the pressure and the pressure of the pulverized coal feed tank are balanced, and when the material level of the pulverized coal feed tank is lowered to be capable of receiving pulverized coal in the pulverized coal lock bucket, a discharging valve between the pulverized coal lock bucket and the pulverized coal feed tank is opened to discharge the pulverized coal to the pulverized coal feed tank. Isolating the coal lock hopper from the pulverized coal feeding tank after the coal lock hopper is completely not discharged, and decompressing the pulverized coal lock hopper to enter the next cycle; the pulverized coal of the pulverized coal feed tank is continuously sent to a coal burner of the gasification furnace for combustion through an inflation cone source.
The traditional air charging cone is of a one-section integral structure, and is arranged at the cone part of the pulverized coal feeding tank, so that the space is narrow, the disassembly, the inspection and the replacement are more troublesome, and the time and the labor are wasted; the two-section split structure is divided into the big cone of the inflatable cone and the leakage pipe through optimizing and improving, the small cone of the inflatable cone only needs to be dismantled for each disassembly and inspection, the disassembly and inspection are convenient to install, the connection of the big cone of the inflatable cone and the leakage pipe is sealed only by the O-shaped ring between the big cone and the leakage pipe, the O-shaped ring is easy to age, deform and damage for a long time, the sealing effect is poor, powder leakage is caused, the service life of a sintering metal layer of a key part of the inflatable cone is influenced, meanwhile, the ventilation amount of nitrogen (or carbon dioxide) of the inflatable cone is influenced due to the leakage of the pulverized coal, the fluidization effect of the pulverized coal is poor, the flow of the pulverized coal is easy to fluctuate, and hidden danger is brought to the safe and stable operation of the gasification furnace device.
Therefore, it is necessary to provide a novel butt joint structure of an inflatable cone to solve the above technical problems.
Disclosure of Invention
The utility model aims to provide a novel butt joint structure of an inflatable cone, so as to make up the defects of the prior art, and solve the problems that powder is easy to leak due to poor sealing effect between a large inflatable cone and an inflatable cone leak pipe, the service life of a sintered metal layer of a key part of the inflatable cone is influenced, meanwhile, the flowing-in amount of nitrogen or carbon dioxide gas of the inflatable cone is influenced due to the leakage of pulverized coal, the fluidization effect of the pulverized coal is poor, the flow of the pulverized coal is easy to fluctuate, and hidden danger is brought to the safe and stable operation of a gasification furnace device.
In order to solve the problems, the novel butt joint structure of the inflatable cone comprises a pulverized coal feeding tank body cone part, an inflatable cone large cone shell, an inflatable cone small cone shell, a pulverized coal conveying pipeline, an inflatable cone large funnel and an inflatable cone leakage pipe, wherein the lower end flange of the pulverized coal feeding tank body cone is connected with the inflatable cone large cone shell, the inflatable cone large funnel is arranged in the inflatable cone large cone shell, the lower end of the inflatable cone large funnel is fixedly connected with the inflatable cone leakage pipe, and a sealing piece is arranged at the joint of the inflatable cone large funnel and the inflatable cone leakage pipe; the small air-filled cone shell is arranged outside the air-filled cone leakage pipe, and the small air-filled cone shell is connected with the large air-filled cone shell through a flange; and a pulverized coal conveying pipeline is arranged at the lower end of the small air charging cone shell.
Preferably, the funnel small opening of the big funnel of the inflatable cone is downward, and the big funnel of the inflatable cone is fixedly connected with the inflatable cone leakage pipe through the threaded connection part.
Preferably, the threaded connection part comprises an internal thread piece and an external thread piece, wherein the internal thread piece is fixed at the bottom end of the large inflation cone funnel, and the external thread piece is arranged at the upper end of the inflation cone leakage pipe.
Preferably, the top end of the internal thread piece is a plane, the sealing piece comprises a second O-shaped sealing ring and a third O-shaped sealing ring, the third O-shaped sealing ring is arranged on the internal thread piece, and the second O-shaped sealing ring is arranged on the outer surface of the external thread piece.
Preferably, the small cone shell of the inflatable cone is connected with the pulverized coal conveying pipeline through a flange, and a fourth O-shaped sealing ring is arranged between the small cone shell of the inflatable cone and the pulverized coal conveying pipeline.
Preferably, a first O-shaped sealing ring is arranged between the conical part of the pulverized coal feeding tank body and the large conical shell of the charging cone.
Compared with the prior art, the utility model has the advantages that:
the utility model has simple process design, convenient processing and installation, good sealing effect, adopts a double sealing structure, is convenient and fast to butt joint, well overcomes the defects of the prior art, and improves the sealing effect while being convenient to disassemble and examine.
Drawings
FIG. 1 is a schematic diagram of the overall structure of the present utility model;
in the figure: 1. a cone part of the pulverized coal feeding tank body; 2. a large cone shell of the inflatable cone; 3. an inflatable cone small cone; 4. a pulverized coal pipeline; 5. the inflatable cone is a large cone; 6. a first O-ring seal; 7. a second O-ring seal; 8. sintering the metal layer; 9. an inflatable cone leakage pipe; 10. a threaded connection; 11. a third O-ring seal; 12. and a fourth O-shaped sealing ring.
Detailed Description
Referring to fig. 1, the novel butt joint structure of the inflatable cone comprises a pulverized coal feed tank body cone part 1, an inflatable cone large cone shell 2, an inflatable cone small cone shell 3, a pulverized coal conveying pipeline 4, an inflatable cone large funnel 5 and an inflatable cone leakage pipe 9, wherein the lower end flange of the pulverized coal feed tank body cone part 1 is connected with the inflatable cone large cone shell 2 to bear the gravity of equipment, the flange connection is adopted, the disassembly and the assembly are convenient, the inflatable cone large funnel 5 is installed in the inflatable cone large cone shell 2, the lower end of the inflatable cone large funnel 5 is fixedly connected with the inflatable cone leakage pipe 9, and a sealing piece is arranged at the joint of the inflatable cone large funnel 5 and the inflatable cone leakage pipe 9; the small air cone shell 3 is arranged outside the air cone leakage pipe 9, the small air cone shell 3 is connected with the large air cone shell 2 by a flange, and the small air cone shell 3 is connected with the large air cone shell 2 by a flange, so that the disassembly and the assembly are convenient; the lower end of the small air cone shell 3 is provided with a pulverized coal conveying pipeline 4. The small opening of the large air charging cone funnel 5 is downward, and the large air charging cone funnel 5 is fixedly connected with the air charging cone leakage pipe 9 through a threaded connection part 10. The threaded connection portion 10 includes an internal thread member fixed to the bottom end of the large funnel of the inflation cone and an external thread member provided at the upper end of the inflation cone leakage tube 9. The top of internal thread spare is the plane, and the sealing member includes second O type sealing washer 7 and third O type sealing washer 11, and third O type sealing washer 11 sets up on the internal thread spare, and second O type sealing washer 7 sets up the surface at the external screw thread spare. The small air cone shell 3 is in flange connection with the pulverized coal conveying pipeline 4, and a fourth O-shaped sealing ring is arranged between the small air cone shell 3 and the pulverized coal conveying pipeline 4, and the small air cone shell is in flange connection, so that the small air cone is convenient to detach, examine and install.
A first O-shaped sealing ring 6 is arranged between the conical part 1 of the pulverized coal feeding tank body and the large-cone shell 2 of the charging cone, the large-cone 5 of the charging cone is connected with the leakage pipe 9 of the charging cone by adopting a threaded connection part 10, a second sealing third O-shaped sealing ring 11 is arranged at the top of the internal threaded part, the large-cone of the charging cone of the pulverized coal flows through the leakage pipe 9 of the charging cone to enter the pulverized coal conveying pipeline 4, the pulverized coal is continuously conveyed to the gasification furnace system for combustion, the process is simple in design, convenient to process and install, good in sealing effect, convenient and firm in butt joint due to the adoption of the double sealing structure, the defects of the prior art are well overcome, and the sealing effect is improved while the disassembly and inspection are convenient. The utility model solves the problems that powder is easy to leak and the stable operation of a pulverized coal system is influenced due to poor sealing effect between the large gas-filled cone and the gas-filled cone leakage pipe 9.
The foregoing has shown and described the basic principles and main features of the present utility model and the advantages of the present utility model. It will be understood by those skilled in the art that the present utility model is not limited to the embodiments described above, and that the above embodiments and descriptions are merely illustrative of the principles of the present utility model, and various changes and modifications may be made without departing from the spirit and scope of the utility model, which is defined in the appended claims. The scope of the utility model is defined by the appended claims and equivalents thereof.
Claims (6)
1. The novel butt joint structure of the inflatable cone is characterized by comprising a pulverized coal feeding tank body cone part (1), an inflatable cone large cone shell (2), an inflatable cone small cone shell (3), a pulverized coal conveying pipeline (4), an inflatable cone large funnel (5) and an inflatable cone leakage pipe (9), wherein the inflatable cone large cone shell (2) is connected with the lower end flange of the pulverized coal feeding tank body cone part (1), the inflatable cone large funnel (5) is installed in the inflatable cone large cone shell (2), the lower end of the inflatable cone large funnel (5) is fixedly connected with the inflatable cone leakage pipe (9), and a sealing piece is arranged at the joint of the inflatable cone large funnel (5) and the inflatable cone leakage pipe (9); the small air cone shell (3) is arranged outside the air cone leakage pipe (9), and the small air cone shell (3) is connected with the large air cone shell (2) through a flange; the lower end of the small air cone shell (3) is provided with a pulverized coal conveying pipeline (4).
2. The novel butt joint structure of the inflatable cone according to claim 1, wherein a small opening of the large funnel (5) of the inflatable cone is downward, and the large funnel (5) of the inflatable cone is fixedly connected with the leakage pipe (9) of the inflatable cone through a threaded connection part (10).
3. The novel butt joint structure of the inflatable cone according to claim 2, wherein the threaded connection portion (10) comprises an inner threaded piece and an outer threaded piece, the inner threaded piece is fixed at the bottom end of the large inflatable cone funnel, and the outer threaded piece is arranged at the upper end of the inflatable cone leakage pipe (9).
4. The novel butt joint structure of the inflatable cone according to claim 3, wherein the top end of the internal thread piece is a plane, the sealing piece comprises a second O-shaped sealing ring (7) and a third O-shaped sealing ring (11), the third O-shaped sealing ring (11) is arranged on the internal thread piece, and the second O-shaped sealing ring (7) is arranged on the outer surface of the external thread piece.
5. The novel butt joint structure of the charging cone according to claim 1, wherein the charging cone small cone shell (3) is in flange connection with the pulverized coal conveying pipeline (4), and a fourth O-shaped sealing ring is arranged between the charging cone small cone shell (3) and the pulverized coal conveying pipeline (4).
6. The novel butt joint structure of the charging cone according to claim 1, wherein a first O-shaped sealing ring (6) is arranged between the conical part (1) of the pulverized coal feeding tank body and the large conical shell (2) of the charging cone.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202321454127.1U CN220130917U (en) | 2023-06-08 | 2023-06-08 | Novel butt joint structure of inflatable cone |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202321454127.1U CN220130917U (en) | 2023-06-08 | 2023-06-08 | Novel butt joint structure of inflatable cone |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN220130917U true CN220130917U (en) | 2023-12-05 |
Family
ID=88955180
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202321454127.1U Active CN220130917U (en) | 2023-06-08 | 2023-06-08 | Novel butt joint structure of inflatable cone |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN220130917U (en) |
-
2023
- 2023-06-08 CN CN202321454127.1U patent/CN220130917U/en active Active
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