CN220766894U - Air-filling flute pipe device for pulverized coal lock hopper - Google Patents
Air-filling flute pipe device for pulverized coal lock hopper Download PDFInfo
- Publication number
- CN220766894U CN220766894U CN202420503150.3U CN202420503150U CN220766894U CN 220766894 U CN220766894 U CN 220766894U CN 202420503150 U CN202420503150 U CN 202420503150U CN 220766894 U CN220766894 U CN 220766894U
- Authority
- CN
- China
- Prior art keywords
- air inlet
- main pipe
- air
- connecting ring
- coal lock
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
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- 239000003245 coal Substances 0.000 title claims abstract description 14
- 239000012528 membrane Substances 0.000 claims abstract description 9
- 238000003466 welding Methods 0.000 claims abstract description 7
- 238000007789 sealing Methods 0.000 claims abstract description 4
- 238000001914 filtration Methods 0.000 description 5
- 230000000694 effects Effects 0.000 description 3
- 238000010586 diagram Methods 0.000 description 2
- 210000001503 joint Anatomy 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 230000004075 alteration Effects 0.000 description 1
- 230000000712 assembly Effects 0.000 description 1
- 238000000429 assembly Methods 0.000 description 1
- 238000005452 bending Methods 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000000903 blocking effect Effects 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 238000002309 gasification Methods 0.000 description 1
- 239000002184 metal Substances 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
Landscapes
- Filtering Of Dispersed Particles In Gases (AREA)
Abstract
The utility model discloses a pulverized coal lock hopper inflation flute pipe device which comprises an air inlet main pipe, wherein an air inlet is arranged at one end of the air inlet main pipe, a sealing arrangement is arranged at the other end of the air inlet main pipe, an air outlet is uniformly arranged at the outer side of the air inlet main pipe, a connecting boss protruding outwards is arranged on the air outlet, a filter assembly is welded on the connecting boss, the diameter of the air inlet main pipe is 108mm, the diameter of the air outlet of the air inlet main pipe is 70mm, the filter assembly comprises a connecting ring, the connecting ring is connected with the connecting boss in a welding mode, a filter membrane is arranged at the inner side of the connecting ring, and a positioning ring for positioning the filter membrane is arranged at the upper end of the inner side of the connecting ring.
Description
Technical Field
The utility model relates to the technical field of pulverized coal lock hopper air inflation flute pipes, in particular to a pulverized coal lock hopper air inflation flute pipe device.
Background
The inside pressurization of the pulverized coal lock hopper consists of 4 flute pipe assemblies with the length of 3.8m, and the bottom inflation cone is an original sintered metal original; in the normal operation process, after the operation time exceeds 100 days, the problems that the blanking is not smooth, a blanking opening is blocked due to falling of a flute pipe, a gasification device is forced to stop, an inflatable cone is damaged and the like frequently occur, 36 phi 70 holes are formed in a phi 108 pipe (shown in fig. 4) of the conventional device, the main pipe strength is seriously weakened, the phi 70 connecting pipe and the phi 108 pipe are welded by a fillet weld, and under the conditions of impact load, serious blocking of a filtering film and large pressure difference, the bending deformation of the phi 108 main pipe is extremely easy to occur, and the fillet weld is cracked, so that the main pipe is broken to a great extent.
Disclosure of Invention
The utility model aims to overcome the existing defects, and provides the pulverized coal lock hopper inflation flute pipe device, which can not reduce the intensity of a main pipe, adopts butt-joint girth welds to avoid the existence of fillet welds, ensures that air flow is smoother during inflation, ensures that the air distribution is uniform, reduces resistance, fully exerts the inflation effect and can effectively solve the problems in the background technology.
In order to achieve the above purpose, the present utility model provides the following technical solutions: the utility model provides a fine coal lock fill air inflation flute pipe device, is responsible for including the air inlet, the one end that the air inlet was responsible for is equipped with the air inlet, and the other end that the air inlet was responsible for is equipped with for sealing the setting, the outside that the air inlet was responsible for evenly is equipped with the air outlet, is equipped with the convex connection boss in the outside on the air outlet, the welding has filter unit on the connection boss.
Further, the diameter of the air inlet main pipe is 108mm, and the air outlet diameter of the air inlet main pipe is 70mm.
Further, the filter component comprises a connecting ring, the connecting ring is connected with the connecting boss in a welding mode, a filter membrane is arranged on the inner side of the connecting ring, and a positioning ring for positioning the filter membrane is arranged at the upper end of the inner side of the connecting ring.
Compared with the prior art, the utility model has the beneficial effects that: this fine coal lock fill fills air flute pipe device, simple structure, easy and simple to handle can not reduce and is responsible for intensity, adopts butt joint girth weld to avoid the existence of fillet weld, and the air current is more smooth and easy when making to aerify, and gas distribution is even, reduces resistance, and the effect of aerifing obtains full play.
Drawings
FIG. 1 is a schematic diagram of the structure of the present utility model;
FIG. 2 is a schematic top view of the present utility model;
FIG. 3 is a schematic cross-sectional view of the present utility model;
fig. 4 is a schematic diagram of the structure of the present utility model before modification.
In the figure: 1 an air inlet main pipe, 2 a connecting boss, 3 a filtering component, 31 a connecting ring, 32 a filtering membrane and 33 a positioning ring.
Detailed Description
The following description of the embodiments of the present utility model will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present utility model, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the utility model without making any inventive effort, are intended to be within the scope of the utility model.
Referring to fig. 1-4, the present utility model provides a technical solution: the utility model provides a fine coal lock fill air inflation flute pipe device, including intake main pipe 1, the one end that intake main pipe 1 was equipped with the air inlet, and the other end that intake main pipe 1 was equipped with for sealing the setting, the outside that intake main pipe 1 was equipped with the air outlet evenly, be equipped with outside convex connection boss 2 on the air outlet, the welding has filter component 3 on the connection boss 2, the diameter that intake main pipe 1 was 108mm, and the air outlet diameter that intake main pipe 1 is 70mm, filter component 3 includes go-between 31, go-between 31 is connected with connection boss 2 through welded mode, the inboard of go-between 31 is equipped with filtration membrane 32, the inboard upper end of go-between 31 is equipped with the holding ring 33 to filtration membrane 32 location, this fine coal lock fill air inflation flute pipe device, and a structure is simple and easy and simple to handle, can not reduce the main pipe intensity, the existence of fillet weld has been avoided to adopt the butt joint ring welding seam, the air current is more smooth, gas distribution is even, reduce resistance, the effect of aerifing obtains full play.
Although embodiments of the present utility model have been shown and described, it will be understood by those skilled in the art that various changes, modifications, substitutions and alterations can be made hereto without departing from the spirit and principles of the present utility model.
Claims (3)
1. The utility model provides a fine coal lock fill aerifys flute pipe device, is responsible for (1), its characterized in that including the air inlet: the one end that is responsible for (1) is equipped with the air inlet, and the other end that is responsible for (1) is equipped with for sealing the setting, the outside that is responsible for (1) is evenly equipped with the air outlet, is equipped with on the air outlet to outside convex connection boss (2), the welding has filter component (3) on connection boss (2).
2. The pulverized coal lock hopper charging flute pipe device according to claim 1, wherein: the diameter of the air inlet main pipe (1) is 108mm, and the air outlet diameter of the air inlet main pipe (1) is 70mm.
3. The pulverized coal lock hopper charging flute pipe device according to claim 1, wherein: the filter component (3) comprises a connecting ring (31), the connecting ring (31) is connected with the connecting boss (2) in a welding mode, a filter membrane (32) is arranged on the inner side of the connecting ring (31), and a positioning ring (33) for positioning the filter membrane (32) is arranged at the upper end of the inner side of the connecting ring (31).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202420503150.3U CN220766894U (en) | 2024-03-15 | 2024-03-15 | Air-filling flute pipe device for pulverized coal lock hopper |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202420503150.3U CN220766894U (en) | 2024-03-15 | 2024-03-15 | Air-filling flute pipe device for pulverized coal lock hopper |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN220766894U true CN220766894U (en) | 2024-04-12 |
Family
ID=90610776
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202420503150.3U Active CN220766894U (en) | 2024-03-15 | 2024-03-15 | Air-filling flute pipe device for pulverized coal lock hopper |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN220766894U (en) |
-
2024
- 2024-03-15 CN CN202420503150.3U patent/CN220766894U/en active Active
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