CN222173368U - An external circulating pipe filter - Google Patents
An external circulating pipe filter Download PDFInfo
- Publication number
- CN222173368U CN222173368U CN202420073293.5U CN202420073293U CN222173368U CN 222173368 U CN222173368 U CN 222173368U CN 202420073293 U CN202420073293 U CN 202420073293U CN 222173368 U CN222173368 U CN 222173368U
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- China
- Prior art keywords
- flange
- filter
- filter screen
- pipeline
- differential pressure
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- 238000001514 detection method Methods 0.000 claims abstract description 25
- 238000007689 inspection Methods 0.000 claims description 3
- 238000006477 desulfuration reaction Methods 0.000 abstract description 3
- 230000023556 desulfurization Effects 0.000 abstract description 3
- 238000004140 cleaning Methods 0.000 abstract 1
- 238000001914 filtration Methods 0.000 description 4
- 230000003009 desulfurizing effect Effects 0.000 description 3
- 230000000903 blocking effect Effects 0.000 description 1
- 239000012535 impurity Substances 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 239000007788 liquid Substances 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 239000002002 slurry Substances 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
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- Filtration Of Liquid (AREA)
Abstract
本实用新型公开了一种外置式循环管道滤网，包括前端管道、过滤管道、过滤网和后端管道，所述前端管道的后端设置有第一法兰，所述过滤管道的两端设置有第二法兰和第三法兰，所述后端管道的前端设置有第四法兰，所述第一法兰和所述第二法兰螺栓连接，所述第三法兰和所述第四法兰螺栓连接，所述过滤网为圆台状结构，所述过滤网面积较大的底面开口设置，所述过滤网面积较大的底面的边缘夹持于所述第一法兰和所述第二法兰之间，所述前端管道上开设有第一压差检测口，所述过滤管道上开设有第二压差检测口。本技术方案用于解决现有脱硫塔循环管道过滤装置存在清洁不便和难以发现堵塞的问题。
The utility model discloses an external circulating pipe filter, comprising a front-end pipe, a filter pipe, a filter and a rear-end pipe, wherein the rear end of the front-end pipe is provided with a first flange, the two ends of the filter pipe are provided with a second flange and a third flange, the front end of the rear-end pipe is provided with a fourth flange, the first flange and the second flange are bolted together, the third flange and the fourth flange are bolted together, the filter is a truncated cone structure, the filter has a larger bottom opening, the edge of the larger bottom is clamped between the first flange and the second flange, the front-end pipe is provided with a first differential pressure detection port, and the filter pipe is provided with a second differential pressure detection port. This technical solution is used to solve the problems of inconvenience in cleaning and difficulty in finding blockage in the existing desulfurization tower circulating pipe filter device.
Description
Technical Field
The utility model belongs to the technical field of desulfurizing tower structures, and particularly relates to an external circulating pipeline filter screen.
Background
At present, in the wet desulfurization process, a filter screen is generally added in a desulfurization tower to filter impurities in slurry so as to avoid nozzle blockage. The external filter screen of the conventional desulfurizing tower circulating pipeline adopts a box type, is arranged on the inlet pipeline of the circulating pump, and is connected with the circulating pipeline to be provided with a reducing. The box type filter screen is large in size, occupies a large installation space, and the shell is easy to deform and the lining rubber is easy to drop. On the other hand, the filter screen can take place to block up after using certain time, and current van-type filter screen dismouting is inconvenient, is difficult to clean the filter screen, and whether the system is difficult to monitor the filter screen and takes place to block up, can only indirectly know the filter screen state through circulating line's play liquid volume, has the inaccurate problem of detection.
Disclosure of utility model
Aiming at the technical problems, the utility model provides an external circulating pipeline filter screen, which solves the problems that the conventional desulfurizing tower circulating pipeline filter device is inconvenient to clean and difficult to find blockage.
The utility model discloses an external circulating pipeline filter screen, which comprises a front pipeline, a filter screen and a rear pipeline, wherein a first flange is arranged at the rear end of the front pipeline, a second flange and a third flange are arranged at the two ends of the filter pipeline, a fourth flange is arranged at the front end of the rear pipeline, the first flange is connected with the second flange through bolts, the third flange is connected with the fourth flange through bolts, the filter screen is of a truncated cone-shaped structure, an opening is formed in the bottom surface with a larger area of the filter screen, the edge of the bottom surface with a larger area of the filter screen is clamped between the first flange and the second flange, the bottom surface with a smaller area of the filter screen is detachably fixed on the inner wall of the filter pipeline, a first pressure difference detection port is formed in the front pipeline, and a second pressure difference detection port is formed in the filter pipeline.
Furthermore, a drain outlet is formed in the lower portion of the filtering pipeline, and an inspection port is formed in the upper portion of the filtering pipeline.
Further, the filter pipeline is close to the inner wall of the third flange and is provided with a support lug, and the bottom surface with smaller filter screen area is connected with the support lug through a bolt.
Further, the device also comprises a differential pressure detection device, wherein the differential pressure detection device is respectively connected with the first differential pressure detection port and the second differential pressure detection port.
This external circulation pipeline filter screen is provided with independent filter pipeline, and will filter screen is built-in the filter pipeline, occupation of land space is little, through filter pipeline's dismouting can realize the replacement and the clean operation of filter screen, thereby reduces the filter screen dismouting degree of difficulty, and the filter screen of round platform column structure can increase filtration area, reduces the jam probability, simultaneously, in order to realize the detection to the filter screen jam condition, has set up first differential pressure detection mouth and second differential pressure detection mouth, thereby realizes the real-time supervision to filter screen jam state through the differential pressure around detecting the filter screen, even discovers the filter screen jam condition and changes.
Drawings
In order to more clearly illustrate the embodiments of the utility model or the technical solutions in the prior art, the drawings that are required in the embodiments or the description of the prior art will be briefly described, it being obvious that the drawings in the following description are only some embodiments of the utility model, and that other drawings may be obtained according to these drawings without inventive effort for a person skilled in the art.
Fig. 1 is a schematic structural view of an external circulation pipeline filter screen.
Detailed Description
The utility model discloses an external circulating pipeline filter screen which is convenient to assemble and disassemble and can effectively know the blocking state of the filter screen.
The following description of the present utility model will be made more fully hereinafter with reference to the accompanying drawings, in which it is shown, however, some, but not all embodiments of the utility model are shown. 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, the utility model discloses an external circulating pipeline filter screen, which comprises a front pipeline 13, a filter pipeline 10, a filter screen 12 and a rear pipeline 8, wherein a first flange 2 is arranged at the rear end of the front pipeline 13, a second flange 3 and a third flange 6 are arranged at the two ends of the filter pipeline 10, a fourth flange 7 is arranged at the front end of the rear pipeline 8, the first flange 2 and the second flange 3 are connected through bolts, the third flange 6 and the fourth flange 7 are connected through bolts, the filter screen 12 is in a truncated cone-shaped structure, a bottom surface opening with a larger area of the filter screen 12 is arranged, the edge of the bottom surface with a larger area of the filter screen 12 is clamped between the first flange 2 and the second flange 3, the bottom surface with a smaller area of the filter screen 12 is detachably fixed on the inner wall of the filter pipeline 10, a first differential pressure detection port 1 is formed in the front pipeline 13, and a second differential pressure detection port 5 is formed in the filter pipeline 10.
A drain 11 is arranged below the filter pipeline 10, and an inspection port 4 is arranged above the filter pipeline 10.
The filter pipeline 10 is close to the inner wall of the third flange 6 and is provided with a support lug 9, and the bottom surface of the filter screen 12 with smaller area is connected with the support lug 9 through bolts.
The device also comprises a differential pressure detection device which is respectively connected with the first differential pressure detection port 1 and the second differential pressure detection port 5.
This external circulation pipeline filter screen is provided with independent filter pipeline 10 to with filter screen 12 is built-in the filter pipeline 10, and occupation of land space is little, through filter pipeline 10's dismouting can realize the replacement and the clean operation of filter screen 12, thereby reduces filter screen 12 dismouting degree of difficulty, and round platform column structure's filter screen 12 can increase filtration area, reduces the jam probability, simultaneously, in order to realize the detection to filter screen 12 jam condition, has set up first differential pressure detection mouth 1 and second differential pressure detection mouth 5, thereby realizes the real-time supervision to filter screen 12 jam state through the differential pressure that detects filter screen 12 front and back, even discovers filter screen 12 jam condition and changes.
The foregoing is a further detailed description of the utility model in connection with the preferred embodiments, and it is not intended that the utility model be limited to the specific embodiments described. It will be apparent to those skilled in the art that several simple deductions or substitutions may be made without departing from the spirit of the utility model, and these should be considered to be within the scope of the utility model.
Claims (4)
1. The utility model provides an external circulation pipeline filter screen, its characterized in that, including front end pipeline, filter tube, filter screen and rear end pipeline, the rear end of front end pipeline is provided with first flange, filter tube's both ends are provided with second flange and third flange, the front end of rear end pipeline is provided with the fourth flange, first flange with second flange bolted connection, third flange with fourth flange bolted connection, the filter screen is round platform column structure, the great bottom surface opening of filter screen area sets up, the edge grip of the great bottom surface of filter screen area in first flange with between the second flange, the less bottom surface detachably of filter screen area is fixed in filter tube's inner wall, first differential pressure detection mouth has been seted up on the front end pipeline, the second differential pressure detection mouth has been seted up on the filter tube.
2. The external circulating pipeline filter screen according to claim 1, wherein a drain outlet is formed below the filter pipeline, and an inspection port is formed above the filter pipeline.
3. The external circulating pipeline filter screen according to claim 1, wherein a support lug is arranged on the inner wall of the filter pipeline close to the third flange, and the bottom surface with smaller area of the filter screen is connected with the support lug through bolts.
4. The external circulation pipe filter screen of claim 1, further comprising a differential pressure detection device connected to the first differential pressure detection port and the second differential pressure detection port, respectively.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202420073293.5U CN222173368U (en) | 2024-01-12 | 2024-01-12 | An external circulating pipe filter |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202420073293.5U CN222173368U (en) | 2024-01-12 | 2024-01-12 | An external circulating pipe filter |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN222173368U true CN222173368U (en) | 2024-12-17 |
Family
ID=93826219
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202420073293.5U Active CN222173368U (en) | 2024-01-12 | 2024-01-12 | An external circulating pipe filter |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN222173368U (en) |
-
2024
- 2024-01-12 CN CN202420073293.5U patent/CN222173368U/en active Active
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