CN216259463U - Cleaning system of low pressure filter suitable for chemical instrumentation low temperature sample frame of power plant - Google Patents
Cleaning system of low pressure filter suitable for chemical instrumentation low temperature sample frame of power plant Download PDFInfo
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- CN216259463U CN216259463U CN202220087761.5U CN202220087761U CN216259463U CN 216259463 U CN216259463 U CN 216259463U CN 202220087761 U CN202220087761 U CN 202220087761U CN 216259463 U CN216259463 U CN 216259463U
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Abstract
The utility model provides a cleaning system of a low-pressure filter suitable for a low-temperature sampling frame of a chemical instrument of a power plant, which comprises a main pipeline, a water inlet pipe and a water outlet pipe, wherein one end of the main pipeline is used for being connected with a high-temperature sampling water outlet end, the other end of the main pipeline is used for being connected with the chemical instrument, and a first manual valve, a low-pressure filter and a second manual valve are sequentially arranged on the main pipeline along the water flow direction; one end of the water inlet pipe is connected with the demineralized water tank, the other end of the water inlet pipe is communicated with the main pipeline, the communication position is positioned between the low-pressure filter and the second manual valve, and the water inlet pipe is provided with a booster pump and a third manual valve; one end and the main pipeline intercommunication of outlet pipe, and the intercommunication department is located between first manual valve and the low pressure filter, and the other end is used for being connected with the water drainage tank, is provided with the manual valve of fourth on the outlet pipe. Through above-mentioned technical scheme, the problem that the inner filter core of low pressure filter became invalid easily has been solved.
Description
Technical Field
The utility model relates to a pipeline system of a chemical instrument of a power plant, in particular to a cleaning system of a low-pressure filter suitable for a low-temperature sampling frame of the chemical instrument of the power plant.
Background
With continuous improvement and deepening of an electric power system, high-parameter and high-capacity units are continuously increased, the technical performance and parameter configuration of a new production unit are higher, the system structure is complex, and the technical difficulty is increased. Therefore, the chemical supervision level of the power plant is improved, and the accuracy of the chemical supervision is guaranteed. And the accuracy of the chemical meter plays a crucial role. The low pressure filter of power plant's chemical instrumentation low temperature sample frame can be fine filter get into the impurity in the chemical instrumentation water sample, improves the life and the equipment reliability of chemical instrumentation. Therefore, the function of the low pressure filter is also of great importance, and therefore ensuring the effectiveness of the low pressure filter is key to improving the service life of the chemical meters and the reliability of the equipment. However, the inner filter element of the low-pressure filter in the pipeline is easy to lose efficacy at present, so that the service life of a chemical instrument is shortened, the reliability of equipment is reduced, the maintenance cost is increased and the maintenance workload is increased by replacing the filter element of the low-pressure filter too frequently.
SUMMERY OF THE UTILITY MODEL
The utility model mainly aims to provide a cleaning system of a low-pressure filter suitable for a low-temperature sampling frame of a chemical instrument in a power plant, so as to solve the problem that an inner filter element of the low-pressure filter is easy to lose efficacy.
In order to solve the technical problems, the utility model adopts the technical scheme that:
the cleaning system comprises a main pipeline, wherein one end of the main pipeline is used for being connected with a high-temperature sampling water outlet end, the other end of the main pipeline is used for being connected with a chemical instrument, the low-pressure filter is arranged on the main pipeline, a first manual valve and a second manual valve are arranged on the main pipeline along the water flow direction, and the first manual valve and the second manual valve are respectively positioned on two sides of the low-pressure filter;
one end of the water inlet pipe is connected with the desalted water tank, the other end of the water inlet pipe is communicated with the main pipeline, the communication position is located between the low-pressure filter and the second manual valve, and the water inlet pipe is provided with a booster pump and a third manual valve;
and one end of the water outlet pipe is communicated with the main pipeline, the communication position of the water outlet pipe is positioned between the first manual valve and the low-pressure filter, the other end of the water outlet pipe is used for being connected with a drainage tank, and a fourth manual valve is arranged on the water outlet pipe.
As a further technical scheme, the booster pump and the third hand valve are sequentially arranged on the water inlet pipe along the water flow direction.
As a further technical solution, the method further comprises:
the sampling main pipe, the one end that the sampling was responsible for with main line intercommunication, and the intercommunication department is located first manual valve is kept away from one side of low pressure filter, the other end be used for with the water drainage tank is connected, be provided with manual sampling valve on the sampling main pipe.
As a further technical scheme, a temperature control electromagnetic valve and a constant temperature device are sequentially arranged on the main pipeline along the water flow direction, and the temperature control electromagnetic valve is positioned on one side, away from the low-pressure filter, of the second manual valve.
As a further technical scheme, a fifth manual valve is arranged on the main pipeline, and the fifth manual valve is positioned on one side of the thermostatic device, which is far away from the temperature control electromagnetic valve.
The utility model has the beneficial effects that:
the low-pressure filter cleaning device is simple in structure, water in the desalting water tank enters the low-pressure filter from the water inlet pipe through the booster pump and is discharged from the water outlet pipe by controlling each manual valve, so that the low-pressure filter is cleaned on the basis of an original pipeline system, the effectiveness of the low-pressure filter is ensured, the service life of a chemical instrument and the reliability of equipment are improved, the maintenance cost is reduced, and the practicability is high.
Drawings
The present invention will be described in further detail with reference to the accompanying drawings and specific embodiments.
FIG. 1 is a schematic structural diagram of the present invention.
Description of the reference numerals
1. A main pipeline; 2. a low pressure filter; 3. a first manual valve; 4. a second manual valve; 5. a water inlet pipe; 6. a booster pump; 7. a third manual valve; 8. a water outlet pipe; 9. a fourth manual valve; 10. a sampling main pipe; 11. a manual sampling valve; 12. a temperature control solenoid valve; 13. a thermostatic device; 14. and a fifth manual valve.
Detailed Description
The technical solution in the embodiments of the present invention is clearly and completely described below with reference to the drawings in the embodiments of the present invention. In the following description, numerous specific details are set forth in order to provide a thorough understanding of the present invention, but the present invention may be practiced in other ways than those specifically described and will be readily apparent to those of ordinary skill in the art without departing from the spirit of the present invention, and therefore the present invention is not limited to the specific embodiments disclosed below.
As shown in fig. 1, the present invention provides a cleaning system for a low pressure filter of a low temperature sampling rack of a chemical instrument in a power plant, which mainly comprises a main pipeline 1, a water inlet pipe 5, a water outlet pipe 8 and a sampling main pipe 10.
The water inlet end of the main pipeline 1 is used for being connected with a high-temperature sampling water outlet end, the water outlet end is used for being connected with a chemical instrument, and a first manual valve 3, a low-pressure filter 2, a second manual valve 4, a temperature control electromagnetic valve 12, a constant temperature device 13 and a fifth manual valve 14 are sequentially arranged on the main pipeline 1 along the water flow direction.
One end of the water inlet pipe 5 is connected with the demineralized water tank, the other end of the water inlet pipe is communicated with the main pipeline 1, the communication position of the water inlet pipe is located between the low-pressure filter 2 and the second manual valve 4, and the water inlet pipe 5 is sequentially provided with a booster pump 6 and a third manual valve 7 along the water flow direction.
One end of the water outlet pipe 8 is communicated with the main pipeline 1, the communication position is located between the first manual valve 3 and the low-pressure filter 2, the other end of the water outlet pipe is used for being connected with a drainage groove, and the water outlet pipe 8 is provided with a fourth manual valve 9.
The one end and the main pipeline 1 intercommunication of the sampling main pipe 10, and the intercommunication department is located the one side that low pressure filter 2 was kept away from to first manual valve 3, and the other end is used for being connected with water drainage tank, is provided with manual sampling valve 11 on the sampling main pipe 10.
In the normal operation of the embodiment, the third manual valve 7 and the fourth manual valve 9 are closed, the booster pump 6 is stopped, the first manual valve 3, the second manual valve 4 and the fifth manual valve 14 are opened, the water from the high-temperature sampling frame is divided into two paths, one path of water directly enters the manual sampling device through the sampling pipeline, the redundant water sample is discharged into the drainage tank, and the other path of water enters the chemical instrument user after passing through the first manual valve 3, the low-pressure filter 2, the second manual valve 4, the temperature control electromagnetic valve 12, the thermostatic device 13 and the fifth manual valve 14. The low-pressure filter 2 can filter impurities entering a water sample of the chemical instrument; the temperature control electromagnetic valve 12 and the thermostatic device 13 are used for ensuring the temperature of water entering the chemical instrument, and the temperature control electromagnetic valve 12 and the thermostatic device 13 are existing equipment and are not described herein; the arrangement of the first manual valve 3 and the fifth manual valve 14 facilitates the isolation of parts on the main pipeline 1, thereby facilitating the maintenance and replacement.
After the unit is started and stopped or when the filter screen is found to be dirty and the low-pressure filter 2 and the inner filter element thereof need to be cleaned, the first manual valve 3 and the second manual valve 4 are closed, the third manual valve 7 and the fourth manual valve 9 are opened, the booster pump 6 is started, so that cleaning water flows out of the desalting water tank, enters the low-pressure filter 2 through the water inlet pipe 5, is discharged into the water discharge tank through the water outlet pipe 8, and the cleaning of the low-pressure filter 2 is completed.
After the cleaning is finished, the operation of the booster pump 6 is stopped, the third manual valve 7 and the fourth manual valve 9 are closed, and the first manual valve 3 and the second manual valve 4 are opened.
The embodiment realizes the cleaning of the low-pressure filter 2 and the filter element thereof, prolongs the service life and the replacement period of the filter element of the low-pressure filter 2, improves the reliability of the chemical instrument, reduces the maintenance amount and reduces the maintenance cost.
The foregoing description is only of the preferred embodiments of the present invention, and it should be understood that the described embodiments are only a few, and not all, of the embodiments of the present invention. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
Claims (5)
1. A cleaning system of a low-pressure filter applicable to a low-temperature sampling frame of a chemical instrument of a power plant comprises a main pipeline (1), one end of the main pipeline (1) is used for being connected with a high-temperature sampling water outlet end, the other end of the main pipeline is used for being connected with the chemical instrument, the main pipeline (1) is provided with the low-pressure filter (2), and the cleaning system is characterized in that,
a first manual valve (3) and a second manual valve (4) are arranged on the main pipeline (1) along the water flow direction, and the first manual valve (3) and the second manual valve (4) are respectively positioned on two sides of the low-pressure filter (2);
one end of the water inlet pipe (5) is connected with the desalted water tank, the other end of the water inlet pipe (5) is communicated with the main pipeline (1), the communicated position is located between the low-pressure filter (2) and the second manual valve (4), and a booster pump (6) and a third manual valve (7) are arranged on the water inlet pipe (5);
one end of the water outlet pipe (8) is communicated with the main pipeline (1), the communication position of the water outlet pipe is located between the first manual valve (3) and the low-pressure filter (2), the other end of the water outlet pipe is used for being connected with a drainage groove, and a fourth manual valve (9) is arranged on the water outlet pipe (8).
2. The cleaning system for the low-pressure filter of the low-temperature sampling frame of the chemical instrument in the power plant is characterized in that the booster pump (6) and the third manual valve (7) are sequentially arranged on the water inlet pipe (5) along the water flow direction.
3. The system for cleaning the low pressure filter of the power plant chemical instrumentation low temperature sampling rack of claim 1, further comprising:
the sampling main pipe (10), the one end of the sampling main pipe (10) with main pipeline (1) intercommunication, and the intercommunication department is located first manual valve (3) are kept away from one side of low pressure filter (2), the other end be used for with the water drainage tank is connected, be provided with manual sampling valve (11) on the sampling main pipe (10).
4. The cleaning system for the low-pressure filter of the low-temperature sampling rack of the chemical instrument in the power plant is characterized in that a temperature control electromagnetic valve (12) and a thermostatic device (13) are sequentially arranged on the main pipeline (1) along the water flow direction, and the temperature control electromagnetic valve (12) is positioned on one side, away from the low-pressure filter (2), of the second manual valve (4).
5. The cleaning system for the low-pressure filter of the low-temperature sampling frame of the chemical instrument in the power plant is characterized in that a fifth manual valve (14) is arranged on the main pipeline (1), and the fifth manual valve (14) is positioned on one side, away from the temperature control electromagnetic valve (12), of the thermostatic device (13).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202220087761.5U CN216259463U (en) | 2022-01-14 | 2022-01-14 | Cleaning system of low pressure filter suitable for chemical instrumentation low temperature sample frame of power plant |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202220087761.5U CN216259463U (en) | 2022-01-14 | 2022-01-14 | Cleaning system of low pressure filter suitable for chemical instrumentation low temperature sample frame of power plant |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN216259463U true CN216259463U (en) | 2022-04-12 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202220087761.5U Active CN216259463U (en) | 2022-01-14 | 2022-01-14 | Cleaning system of low pressure filter suitable for chemical instrumentation low temperature sample frame of power plant |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN216259463U (en) |
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2022
- 2022-01-14 CN CN202220087761.5U patent/CN216259463U/en active Active
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