CN212548609U - Filter screen cleaning system - Google Patents
Filter screen cleaning system Download PDFInfo
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- CN212548609U CN212548609U CN202020750710.7U CN202020750710U CN212548609U CN 212548609 U CN212548609 U CN 212548609U CN 202020750710 U CN202020750710 U CN 202020750710U CN 212548609 U CN212548609 U CN 212548609U
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- water
- backwashing
- backwash
- pipeline
- filter screen
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Abstract
The utility model discloses a system for cleaning a filter screen, which comprises at least two groups of water systems, wherein each group of water system comprises a water pump, a main pipeline, a backwashing structure, a filter screen, a backwashing pipeline and an isolation valve; the filter screen is arranged in the backwashing structure in a direction vertical to the water flow direction, the backwashing structure is arranged on the main pipeline, and the water pump is arranged on the main pipeline; the backwashing structure is provided with a water flow inlet and a water flow outlet, the backwashing structure is provided with a plurality of backwashing inlets, one end of a backwashing pipeline is connected to a main pipeline at the water outlet end of a water pump in one water system, the other end of the backwashing pipeline is connected with the backwashing inlet in the other water system, and an isolation valve is arranged on the backwashing pipeline. The utility model has the advantages that: the water pump in one water system leads pressurized water into the back washing inlet of the back washing structure in the other water system from the back washing pipeline for back washing, so that sundries on the filter screen are cleaned, the cost of manually disassembling and washing the filter screen is saved, and time and labor are saved.
Description
Technical Field
The utility model relates to a power plant pipeline washs, what especially relate to is a wash filter screen system.
Background
When power plant equipment operates, because the dirt problem of quality of water and pipeline, the impurity that the filter screen was held back is more and more, and main auxiliary assembly filter screen pressure differential such as condensate pump also can be higher and higher, and the through-flow capacity descends gradually. Therefore, the filter screen needs to be cleaned after a certain period of time. The washing of filter screen at present stage mainly takes isolation filter screen, and the manual work is taken the filter screen and is washd for the main, and under equipment running state, there is the risk of certain degree in this kind of clearance mode, wastes time and energy.
The information disclosed in this background section is only for enhancement of understanding of the general background of the invention and should not be taken as an acknowledgement or any form of suggestion that this information constitutes prior art already known to a person skilled in the art.
SUMMERY OF THE UTILITY MODEL
The utility model discloses the technical problem that will solve lies in: how to solve the problem that the current mode of wasing the filter screen wastes time and energy.
The utility model discloses a following technical means realizes solving above-mentioned technical problem:
a cleaning filter screen system comprises at least two groups of water systems, wherein each group of water systems comprises a water pump, a main pipeline, a backwashing structure, a filter screen, a backwashing pipeline and an isolation valve; the filter screen is arranged in the backwashing structure in a direction vertical to the water flow direction, the backwashing structure is arranged on the main pipeline, and the water pump is arranged on the main pipeline; the backwashing structure is provided with a water flow inlet and a water flow outlet, the backwashing structure is provided with a plurality of backwashing inlets, one end of a backwashing pipeline is connected to a main pipeline at the water outlet end of a water pump in one water system, the other end of the backwashing pipeline is connected with the backwashing inlet in the other water system, and an isolation valve is arranged on the backwashing pipeline.
The utility model discloses rivers flow in the trunk line under the effect of water pump under normal conditions, when needs wash the filter screen, the rivers entry and the rivers export of closing the back flush structure, or only close the rivers entry, open the isolating valve of back flush pipeline, the water pump in one of them water system will take the pressure water to introduce the back flush entry of the back flush structure in another water system by the back flush pipeline, carry out the backwash, with the debris sanitization on the filter screen, save the cost of artifical unpicking and washing filter screen, labour saving and time saving.
Preferably, the water pump is arranged at the water outlet end of the back washing structure. The water used for back washing can be ensured to be still filtered water, and the filter screen is prevented from being polluted again.
Preferably, the water pump further comprises two electric valves, wherein one electric valve is arranged at the water inlet end of the backwashing structure, and the other electric valve is arranged at the water outlet end of the water pump.
Preferably, the backwash inlet is disposed at one side of the water outlet. Considering that the impurities of the filter screen are more accumulated at one end of the filter screen close to the water outlet, the back washing inlet is arranged at the other side of the surface where the impurities are positioned, and the effect of back washing is achieved.
Preferably, the water flow inlet and the water flow outlet are positioned on two sides of the backwashing structure and are coaxial, and the backwashing inlet is parallel to the water flow outlet.
Preferably, the back washing structure is a cylindrical or rectangular cavity, and the top and the bottom of the back washing structure are closed.
Preferably, the backwashing structure is provided with a sewage draining outlet.
Preferably, the drain outlet is disposed at one side of the water inlet.
Preferably, the backwashing device further comprises a pressure sensor, and the pressure sensor is installed in the backwashing structure. The pressure sensor can be connected with the existing controller and all the electric valves, water pumps, isolating valves and the like, so that the automatic opening and closing of the electric valves, the isolating valves and the water pumps can be automatically controlled.
Preferably, the backwash pipeline comprises a backwash main pipe and a plurality of backwash branch pipes, one end of the backwash main pipe is communicated with the plurality of backwash branch pipes, and the tail ends of the plurality of backwash branch pipes are respectively and correspondingly connected with the plurality of backwash inlets. The plurality of back washing ports increase the washing surface and optimize the washing effect.
The utility model has the advantages that:
(1) the utility model discloses rivers flow in the trunk line under the effect of water pump under normal condition, when needing to wash the filter screen, close the rivers entry and the rivers export of back flush structure, or only close the rivers entry, open the isolating valve of back flush pipeline, the water pump in one of them water system will take the pressure water to introduce the back flush entry of back flush structure in another water system from the back flush pipeline, carry out the back flush, with the debris sanitization on the filter screen, save the cost of manual work unpicking and washing the filter screen, labour saving and time saving;
(2) the water pump is arranged at the water outlet end of the backwashing structure, so that the backwashing water is still filtered, and the filter screen is prevented from being polluted again;
(3) the back washing inlet is arranged on one side of the water outlet, and the back washing inlet is arranged on the other side of the surface where the impurities are located to achieve the effect of back washing by considering that the impurities of the filter screen are more accumulated at one end of the filter screen close to the water outlet;
(4) the pressure sensor can be connected with the existing controller and all the electric valves, water pumps, isolating valves and the like, so that the automatic opening and closing of the electric valves, the isolating valves and the water pumps can be automatically controlled;
(5) the plurality of back washing ports increase the washing surface and optimize the washing effect.
Drawings
FIG. 1 is a schematic diagram of a system for cleaning a filter screen according to an embodiment of the present invention;
FIG. 2 is a schematic structural view of a first backwash structure;
FIG. 3 is a schematic structural view of a triple-cleaning strainer system according to an embodiment.
Reference numbers in the figures: 1. a first water system; 11. a first water pump; 12. a first main pipe; 13. a first backwash structure; 131. a water flow inlet; 132. a water flow outlet; 133. a backwash inlet; 134. a sewage draining outlet; 14. a first filter screen; 15. a first backwash conduit; 16. a first isolation valve; 2. a second water system; 21. a second water pump; 22. a second main pipe; 23. a second backwash structure; 24. a second filter screen; 25. a second backwash conduit; 26. a second isolation valve.
Detailed Description
To make the purpose, technical solution and advantages of the embodiments of the present invention clearer, the embodiments of the present invention are combined to clearly and completely describe the technical solution in the embodiments of the present invention, and obviously, the described embodiments are some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative efforts belong to the protection scope of the present invention.
The first embodiment is as follows:
as shown in fig. 1 and 2, a system for cleaning a filter screen comprises two water systems, wherein each water system 1 comprises a first water pump 11, a first main pipe 12, a first backwashing structure 13, a first filter screen 14, a first backwashing pipe 15 and a first isolation valve 16; the second water system 2 comprises a second water pump 21, a second main pipe 22, a second backwashing structure 23 (not shown in the figure), a second filter screen 24, a second backwashing pipe 25 and a second isolation valve 26;
a first filter screen 14 is arranged in a first backwashing structure 13 in a mode of being perpendicular to the water flow direction, the first backwashing structure 13 is arranged on a first main pipe 12, and a first water pump 11 is arranged on the first main pipe 12; the first backwashing structure 13 is provided with a water inlet 131 and a water outlet 132, the first backwashing structure 13 is provided with a plurality of backwashing inlets 133, one end of a first backwashing pipeline 15 is connected to the first main pipeline 12 at the water outlet end of the first water pump 11, the other end of the first backwashing pipeline is connected with the backwashing inlet of the second backwashing structure 23, and a first isolation valve 16 is arranged on the first backwashing pipeline 15.
The second filter screen 24 is arranged in the second backwashing structure 23 in a mode of being perpendicular to the water flow direction, the second backwashing structure 23 is arranged on the second main pipe 22, and the second water pump 21 is arranged on the second main pipe 22; the first back washing structure 13 and the second back washing structure 23 have the same structure, one end of a second back washing pipeline 25 is connected to the second main pipeline 22 at the water outlet end of the second water pump 21, the other end is connected with the back washing inlet of the first back washing structure 13, and a second isolation valve 26 is arranged on the second back washing pipeline 25
The two main pipelines can be combined at the tail ends and flow out from one pipeline.
The first water system 1 further comprises two first electric valves 17, wherein one first electric valve 17 is installed at the water inlet end of the first backwashing structure 13, the other first electric valve 17 is installed at the water outlet end of the first water pump 11, and one end of the first backwashing pipeline 15 is connected to the water outlet end of the first electric valve 17. Similarly, the second water system 2 further includes two second electrically operated valves 27, wherein one second electrically operated valve 27 is installed at the water inlet end of the second backwashing structure 23, the other second electrically operated valve 27 is installed at the water outlet end of the second water pump 21, and one end of the second backwashing pipeline 25 is connected to the water outlet end of the second electrically operated valve 27.
Taking the first water system 1 as an example, the first water pump 11 is installed at the water outlet end of the first backwashing structure 13, so that the backwashing water is still filtered, and the filter screen is prevented from being polluted again.
The utility model discloses a working process:
under normal conditions, water flows in the main pipeline under the action of the water pump, if the second filter screen 24 needs to be cleaned, the second electric valves 27 of the second water system 2 are all closed, the first isolation valve 16 of the first backwashing pipeline 15 is opened, the first water pump 11 in the first water system 1 introduces pressurized water from the first backwashing pipeline 15 into the backwashing inlet of the second backwashing structure 23 in the second water system 2 on the right side for backwashing, impurities on the second filter screen 24 are cleaned, when the first filter screen 14 is cleaned, the first electric valves 17 of the first water system 1 are all closed, and the second isolation valve 26 of the second backwashing pipeline 25 is opened for washing; the cost of manually disassembling and washing the filter screen is saved by the washing mode, and time and labor are saved.
Example two:
as shown in fig. 2, in this embodiment, based on the first embodiment, taking the first backwashing structure 13 as an example, the first backwashing structure 13 is a cylindrical cavity, and the top and the bottom of the first backwashing structure 13 are closed (in the figure, for showing the first filter screen 14, the top opening is shown).
The water inlet 131 and the water outlet 132 are positioned on both sides of the first backwashing structure 13 and are coaxial, and the backwashing inlet 133 is parallel to the water outlet 132. The back-washing inlets 133 are disposed at one side of the water outlet 132, and in this embodiment, two back-washing inlets 133 are disposed at the upper and lower sides of the water outlet 132, respectively. Considering that the impurities of the filter net are more accumulated at one end of the filter net close to the water outlet 132, the back washing inlet 133 is disposed at the other side of the impurity surface to achieve the back washing effect. The first backwash pipeline 15 includes a main backwash pipe and two backwash branch pipes, one end of the main backwash pipe is communicated with the two backwash branch pipes, and the ends of the two backwash branch pipes are correspondingly connected to the two backwash inlets 133, respectively. A plurality of back washing ports can be arranged according to needs, so that the washing surface is enlarged, and the washing effect is optimized.
The first backwash structure 13 has a drain outlet 134. The drain outlet 134 is provided at one side of the water inlet 131.
The first backwashing structure 13 also comprises a pressure sensor therein, and the pressure sensor is installed in the first backwashing structure 13. The pressure sensor can be connected with the existing controller and all electric valves, water pumps, isolating valves and the like to automatically control the automatic opening and closing of the electric valves, the isolating valves and the water pumps, and automatically recover the main pipeline system after the backwashing is finished.
The first backwashing structure 13 and the second backwashing structure 23 have the same structure, and may have a slight difference in shape, for example, the first backwashing structure 13 is a circular cavity, and the second backwashing structure 23 is a square cavity.
Example three:
as shown in fig. 3, the present embodiment is different from the first embodiment in that three water systems are included, a first set of backwash pipes is used for washing the filter screen in the second water system, a second set of backwash pipes is used for washing the filter screen in the third water system, and a third set of backwash pipes is used for washing the filter screen in the first water system.
The above embodiments are only used to illustrate the technical solution of the present invention, and not to limit it; although the present invention has been described in detail with reference to the foregoing embodiments, it should be understood by those skilled in the art that: the technical solutions described in the foregoing embodiments may still be modified, or some technical features may be equivalently replaced; such modifications and substitutions do not depart from the spirit and scope of the present invention in its corresponding aspects.
Claims (10)
1. A cleaning filter screen system is characterized by comprising at least two groups of water systems, wherein each group of water system comprises a water pump, a main pipeline, a backwashing structure, a filter screen, a backwashing pipeline and an isolation valve; the filter screen is arranged in the backwashing structure in a direction vertical to the water flow direction, the backwashing structure is arranged on the main pipeline, and the water pump is arranged on the main pipeline; the backwashing structure is provided with a water flow inlet and a water flow outlet, the backwashing structure is provided with a plurality of backwashing inlets, one end of a backwashing pipeline is connected to a main pipeline at the water outlet end of a water pump in one water system, the other end of the backwashing pipeline is connected with the backwashing inlet in the other water system, and an isolation valve is arranged on the backwashing pipeline.
2. The system as claimed in claim 1, wherein the water pump is mounted at the outlet end of the backwash structure.
3. The system for cleaning filtration nets of claim 1, further comprising two electrically operated valves, wherein one electrically operated valve is installed at the water inlet end of the backwashing structure, and the other electrically operated valve is installed at the water outlet end of the water pump.
4. The system as claimed in claim 1, wherein the backwash inlet is disposed on one side of the water outlet.
5. The system of claim 4, wherein the water inlet and the water outlet are coaxial and are located on opposite sides of the backwash structure, the backwash inlet being parallel to the water outlet.
6. The system as claimed in claim 4, wherein the backwash structure is a cylindrical or rectangular chamber having closed top and bottom portions.
7. The system as claimed in claim 1, wherein the backwash structure has a drain outlet.
8. The system as claimed in claim 7, wherein the drain outlet is provided at one side of the water inlet.
9. The system as recited in claim 1, further comprising a pressure sensor mounted within the backwash structure.
10. The system as claimed in claim 1, wherein the backwash pipeline comprises a main backwash pipe and a plurality of backwash branch pipes, one end of the main backwash pipe is connected to the plurality of backwash branch pipes, and the ends of the plurality of backwash branch pipes are respectively connected to the plurality of backwash inlets.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020750710.7U CN212548609U (en) | 2020-05-08 | 2020-05-08 | Filter screen cleaning system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020750710.7U CN212548609U (en) | 2020-05-08 | 2020-05-08 | Filter screen cleaning system |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN212548609U true CN212548609U (en) | 2021-02-19 |
Family
ID=74609142
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202020750710.7U Expired - Fee Related CN212548609U (en) | 2020-05-08 | 2020-05-08 | Filter screen cleaning system |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN212548609U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113648718A (en) * | 2021-07-13 | 2021-11-16 | 中国大唐集团科学技术研究院有限公司火力发电技术研究院 | Sampling device with automatic backwashing system |
-
2020
- 2020-05-08 CN CN202020750710.7U patent/CN212548609U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113648718A (en) * | 2021-07-13 | 2021-11-16 | 中国大唐集团科学技术研究院有限公司火力发电技术研究院 | Sampling device with automatic backwashing system |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20210219 |
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| CF01 | Termination of patent right due to non-payment of annual fee |