CN113599882A - Filtering device and filtering method for reducing nuclear power filtering solid waste amount - Google Patents
Filtering device and filtering method for reducing nuclear power filtering solid waste amount Download PDFInfo
- Publication number
- CN113599882A CN113599882A CN202111050354.3A CN202111050354A CN113599882A CN 113599882 A CN113599882 A CN 113599882A CN 202111050354 A CN202111050354 A CN 202111050354A CN 113599882 A CN113599882 A CN 113599882A
- Authority
- CN
- China
- Prior art keywords
- filter
- filter element
- pipe
- valve
- air inlet
- 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.)
- Pending
Links
- 238000001914 filtration Methods 0.000 title claims abstract description 44
- 239000002910 solid waste Substances 0.000 title claims abstract description 26
- 238000000034 method Methods 0.000 title claims abstract description 13
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims abstract description 126
- 238000004140 cleaning Methods 0.000 claims abstract description 28
- 239000010865 sewage Substances 0.000 claims description 30
- 238000007664 blowing Methods 0.000 claims description 10
- 239000003344 environmental pollutant Substances 0.000 claims description 5
- 231100000719 pollutant Toxicity 0.000 claims description 5
- 239000002184 metal Substances 0.000 claims description 4
- 239000007787 solid Substances 0.000 claims 1
- 230000002285 radioactive effect Effects 0.000 abstract description 4
- 238000012423 maintenance Methods 0.000 abstract description 3
- 238000009270 solid waste treatment Methods 0.000 abstract description 2
- 239000003365 glass fiber Substances 0.000 description 3
- 239000000463 material Substances 0.000 description 3
- XLYOFNOQVPJJNP-ZSJDYOACSA-N Heavy water Chemical compound [2H]O[2H] XLYOFNOQVPJJNP-ZSJDYOACSA-N 0.000 description 2
- 238000010276 construction Methods 0.000 description 2
- 229910052755 nonmetal Inorganic materials 0.000 description 2
- 239000008213 purified water Substances 0.000 description 2
- 238000011001 backwashing Methods 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000006243 chemical reaction Methods 0.000 description 1
- 238000011010 flushing procedure Methods 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 230000005855 radiation Effects 0.000 description 1
- 230000008929 regeneration Effects 0.000 description 1
- 238000011069 regeneration method Methods 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
- 239000002699 waste material Substances 0.000 description 1
Images
Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D29/00—Filters with filtering elements stationary during filtration, e.g. pressure or suction filters, not covered by groups B01D24/00 - B01D27/00; Filtering elements therefor
- B01D29/11—Filters with filtering elements stationary during filtration, e.g. pressure or suction filters, not covered by groups B01D24/00 - B01D27/00; Filtering elements therefor with bag, cage, hose, tube, sleeve or like filtering elements
- B01D29/117—Filters with filtering elements stationary during filtration, e.g. pressure or suction filters, not covered by groups B01D24/00 - B01D27/00; Filtering elements therefor with bag, cage, hose, tube, sleeve or like filtering elements arranged for outward flow filtration
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D29/00—Filters with filtering elements stationary during filtration, e.g. pressure or suction filters, not covered by groups B01D24/00 - B01D27/00; Filtering elements therefor
- B01D29/50—Filters with filtering elements stationary during filtration, e.g. pressure or suction filters, not covered by groups B01D24/00 - B01D27/00; Filtering elements therefor with multiple filtering elements, characterised by their mutual disposition
- B01D29/52—Filters with filtering elements stationary during filtration, e.g. pressure or suction filters, not covered by groups B01D24/00 - B01D27/00; Filtering elements therefor with multiple filtering elements, characterised by their mutual disposition in parallel connection
- B01D29/54—Filters with filtering elements stationary during filtration, e.g. pressure or suction filters, not covered by groups B01D24/00 - B01D27/00; Filtering elements therefor with multiple filtering elements, characterised by their mutual disposition in parallel connection arranged concentrically or coaxially
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D29/00—Filters with filtering elements stationary during filtration, e.g. pressure or suction filters, not covered by groups B01D24/00 - B01D27/00; Filtering elements therefor
- B01D29/62—Regenerating the filter material in the filter
- B01D29/66—Regenerating the filter material in the filter by flushing, e.g. counter-current air-bumps
- B01D29/68—Regenerating the filter material in the filter by flushing, e.g. counter-current air-bumps with backwash arms, shoes or nozzles
Landscapes
- Chemical & Material Sciences (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Filtration Of Liquid (AREA)
Abstract
The invention discloses a filtering device and a filtering method for reducing nuclear power filtering solid waste, wherein the filtering device comprises a filter shell, a filter element assembly, a water inlet pipe, a water outlet pipe, a water inlet valve, a water outlet valve and a filter element cleaning structure; the filter element assembly is arranged in the filter shell, the filter shell is provided with a water inlet and a water outlet, the water inlet is provided with a water inlet pipe, and the water inlet pipe is provided with a water inlet valve; a water outlet pipe is arranged at the water outlet, and a water outlet valve is arranged on the water outlet pipe; the water inlet is positioned below the water outlet. The filter device provided by the invention has the advantages that the filter element component can be cleaned and regenerated by arranging the filter element cleaning structure, the problem that the original filter element cannot be recycled is solved, the filter device can be used for filtering, the filter device can be operated for a long time, the filter element does not need to be frequently replaced, the maintenance frequency is reduced, the generation amount of solid waste of the filter element is reduced, the nuclear solid waste treatment cost is reduced, and the like, and the filter device is suitable for filtering radioactive water of a nuclear power station.
Description
Technical Field
The invention relates to the field of filtration, in particular to a filtration device and a filtration method for reducing nuclear power filtration solid waste.
Background
The reactor types of common nuclear power plants are a pressurized water reactor type and a heavy water reactor type, and dozens of radioactive water filters are installed in each nuclear power plant. The existing filter is provided with a nuclear grade glass fiber filter element or a filter element made of other materials in a filter shell. The non-purified water enters the filter from the water inlet of the filter, and the purified water is discharged from the water outlet after being filtered by the filter element.
The filter elements are disposable filter elements which can not be recycled, and the adopted filter does not have a self-cleaning regeneration function. When the pressure difference of the filter rises to a set value or the radiation dose reaches a set value, the operation is stopped, only the new filter element is replaced, and the old filter element is treated as nuclear waste and solid waste. Each power station generates 20-30 m each year3The filter element nuclear solid waste of (2) and the cost of the subsequent treatment of the nuclear solid waste are very high.
Disclosure of Invention
In view of the above problems, one of the objects of the present invention is to: provides a filtering device for reducing the nuclear power filtering solid waste amount.
In order to achieve the above purpose, the invention provides the following technical scheme:
a filter device for reducing nuclear power filtration solid waste comprises a filter shell, a filter element assembly, a water inlet pipe, a water outlet pipe, a water inlet valve, a water outlet valve and a filter element cleaning structure;
the filter element assembly is arranged in the filter shell, the filter shell is provided with a water inlet and a water outlet, the water inlet is provided with a water inlet pipe, and the water inlet pipe is provided with a water inlet valve; a water outlet pipe is arranged at the water outlet, and a water outlet valve is arranged on the water outlet pipe; the water inlet is positioned below the water outlet.
Preferably, the filter element cleaning structure comprises a pressure gas cavity, an air inlet pipe, a back-blowing air inlet valve, a drain pipe and a drain valve;
wherein, the filter shell is provided with a sewage outlet and an air inlet, the sewage outlet is provided with a sewage pipe, and the sewage pipe is provided with a sewage valve; the air inlet is provided with an air inlet pipe, the air inlet pipe is provided with a back-blowing air inlet valve, and the air inlet pipe is connected with high-pressure gas;
the air inlet is positioned at the upper end of the filter shell, and the sewage draining outlet is positioned at the bottom end of the filter shell;
a cavity is arranged between the filter element assembly and the top end of the filter shell, and the cavity is a pressure gas cavity.
Preferably, the top end of the filter shell is also provided with a vent pipe, and a vent valve is arranged on the vent pipe.
Preferably, a pressure difference transmitter is arranged between the water inlet pipe and the water outlet pipe, and pressure measuring guide pipes at two ends of the pressure difference transmitter are respectively connected to the water inlet pipe and the water outlet pipe.
Preferably, the filter element assembly comprises a tube plate, a filter element and a positioning flower plate;
the filter comprises a plurality of filter elements, a positioning flower plate, a plurality of filter cores and a filter shell, wherein the filter elements are arranged in a plurality, the upper end of each filter element is fixed on the tube plate, the lower end of each filter element is inserted into the positioning flower plate, and the tube plate is fixed on the inner wall of the filter shell; the water outlet is positioned above the tube plate.
Preferably, the filter element comprises a filter pipe, a joint and a positioning rod;
the joint is arranged at the top end of the filter pipe, the positioning rod is arranged at the bottom end of the filter pipe, and the joint is communicated with the filter pipe.
Preferably, the tube plate is provided with a mounting hole, and the joint is fixed in the mounting hole;
the positioning flower plate is provided with a positioning hole, the positioning rod is inserted into the positioning hole, a threaded section is arranged on the positioning rod, a first fixing nut and a second fixing nut are arranged on the threaded section, the threaded section penetrates through the positioning hole, the positioning flower plate is clamped between the first fixing nut and the second fixing nut, the first fixing nut is located above the positioning flower plate, and the second fixing nut is located below the positioning flower plate.
Preferably, the joint is welded on the tube plate or fixed with the tube plate in a threaded fit mode.
Preferably, the filter element is a metal sintered filter element.
In view of the above problems, another object of the present invention is to: provides a filtering method for reducing the nuclear power filtering solid waste amount.
In order to achieve the above purpose, the invention provides the following technical scheme:
a filtering method for reducing nuclear power filtering solid waste amount adopts the filtering device for filtering, and the specific filtering method is as follows:
during filtering: opening the water inlet valve and the water outlet valve, closing the filter element cleaning structure, and allowing water to flow into the water outlet pipe from the upper part of the filter element assembly and be discharged after being filtered by the filter element assembly from outside to inside;
when the filter element is cleaned: and closing the water inlet valve and the water outlet valve, opening the filter element cleaning structure, enabling water in the filter shell to enter the filter element assembly from the upper part of the filter element assembly, and enabling the water to reversely pass through the filter element assembly from inside to outside to clean the filter element assembly.
Preferably, the filter element cleaning structure comprises a pressure gas cavity, an air inlet pipe, a back-blowing air inlet valve, a drain pipe and a drain valve; wherein, the filter shell is provided with a sewage outlet and an air inlet, the sewage outlet is provided with a sewage pipe, and the sewage pipe is provided with a sewage valve; the air inlet is provided with an air inlet pipe, the air inlet pipe is provided with a back-blowing air inlet valve, and the air inlet pipe is connected with high-pressure gas; the air inlet is positioned at the upper end of the filter shell, and the sewage draining outlet is positioned at the bottom end of the filter shell; a cavity is arranged between the filter element assembly and the top end of the filter shell, and the cavity is a pressure gas cavity;
when the filter element cleaning structure is adopted for cleaning the filter element, the specific process is as follows:
closing the water inlet valve and the water outlet valve, opening the back-blowing air inlet valve to form pressure gas in the pressure gas cavity, then opening the blow-down valve, and under the pushing of the pressure gas, rapidly and reversely passing water in the filter shell through the filter element assembly to remove pollutants on the surface of the filter element assembly.
The invention has the beneficial effects that:
the filter device provided by the invention has the advantages that the filter element component can be cleaned and regenerated by arranging the filter element cleaning structure, the problem that the original filter element cannot be recycled is solved, the filter device can be used for filtering, the filter device can be operated for a long time, the filter element does not need to be frequently replaced, the maintenance frequency is reduced, the generation amount of solid waste of the filter element is reduced, the nuclear solid waste treatment cost is reduced, and the like, and the filter device is suitable for filtering radioactive water of a nuclear power station.
Additional features and advantages of the invention will be set forth in the description which follows, and in part will be obvious from the description, or may be learned by practice of the invention. The objectives and other advantages of the invention will be realized and attained by the structure particularly pointed out in the written description and claims hereof as well as the appended drawings.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly described below, and it is obvious that the drawings in the following description are some embodiments of the present invention, and those skilled in the art can also obtain other drawings according to the drawings without creative efforts.
FIG. 1 shows a schematic construction of a filter device according to the invention;
FIG. 2 shows a schematic of the construction of the filter element assembly;
in the reference symbols: 10-a filter shell, 20-a filter element component, 21-a tube plate, 22-a filter element, 23-a positioning pattern plate, 24-a first fixing nut, 25-a second fixing nut, 30-a water inlet pipe, 40-a water outlet pipe, 50-a water inlet valve, 60-a water outlet valve, 70-a pressure gas cavity, 80-an air inlet pipe, 90-a back-flushing air inlet valve, 100-a blow-off pipe, 110-a blow-off valve, 120-a blow-off pipe, 130-a blow-off valve and 140-a differential pressure transmitter.
Detailed Description
In order to make the objects, technical solutions and advantages of the embodiments of the present invention clearer, the technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are some, but not all, 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.
As shown in fig. 1: a filter device for reducing nuclear power filtration solid waste comprises a filter shell 10, a filter element assembly 20, a water inlet pipe 30, a water outlet pipe 40, a water inlet valve 50, a water outlet valve 60 and a filter element cleaning structure;
the filter element assembly 20 is arranged inside the filter shell 10, a water inlet and a water outlet are arranged on the filter shell 10, a water inlet pipe 30 is arranged at the water inlet, and a water inlet valve 50 is arranged on the water inlet pipe 30; a water outlet pipe 40 is arranged at the water outlet, and a water outlet valve 60 is arranged on the water outlet pipe 40; the water inlet is positioned below the water outlet.
The filter device provided by the invention can clean and regenerate the filter element assembly 20 by arranging the filter element cleaning structure, solves the problem that the original filter element 22 cannot be recycled, can run for a long time by adopting the filter device for filtering, does not need to frequently replace the filter element 22, has the advantages of reducing maintenance frequency, reducing the generation amount of filter element solid waste, reducing the treatment cost of nuclear solid waste and the like, and is suitable for filtering radioactive water of a nuclear power station.
Specifically, the filter element cleaning structure comprises a pressure gas cavity 70, an air inlet pipe 80, a blowback air inlet valve 90, a blow-off pipe 100 and a blow-off valve 110;
wherein, the filter shell 10 is provided with a sewage outlet and an air inlet, the sewage outlet is provided with a sewage discharge pipe 100, and the sewage discharge pipe 100 is provided with a sewage discharge valve 110; the air inlet is provided with an air inlet pipe 80, the air inlet pipe 80 is provided with a back-blowing air inlet valve 90, and the air inlet pipe 80 is connected with high-pressure air;
the air inlet is positioned at the upper end of the filter shell 10, and the sewage draining outlet is positioned at the bottom end of the filter shell 10;
a cavity is arranged between the filter element assembly 20 and the top end of the filter housing 10, and the cavity is a pressure gas cavity 70.
Through setting the filter element cleaning structure to the above structure, the cleaning of the filter element assembly 20 can be conveniently realized, when the cleaning is needed, the water inlet valve 50 and the water outlet valve 60 are closed, the blowback air inlet valve 90 is opened, the high-pressure gas enters the pressure gas cavity 70, the pressure gas is formed in the pressure gas cavity 70, then the blow-down valve 110 is opened, and under the pushing of the pressure gas, the water in the filter rapidly and reversely passes through the filter element assembly 20, so that the pollutants on the surface of the filter element assembly 20 are removed.
Preferably, the top end of the filter housing 10 is further provided with a vent pipe 120, and a vent valve 130 is arranged on the vent pipe 120.
By providing the vent 120 and the vent valve 130, the vent valve 130 can be opened after cleaning of the filter element 22 is completed, and high-pressure gas can be discharged through the vent 120.
Preferably, a differential pressure transducer 140 is arranged between the water inlet pipe 30 and the water outlet pipe 40, and pressure measuring conduits at two ends of the differential pressure transducer 140 are respectively connected to the water inlet pipe 30 and the water outlet pipe 40.
Through setting up pressure differential transmitter 140, can measure the pressure differential between inlet tube 30 and outlet pipe 40, this pressure differential numerical value is bigger, and reaction filter element group spare 20 surface pollutant is more, when the pressure differential numerical value reaches the preset value, just opens filter element cleaning structure and cleans filter element 22.
Preferably, as shown in fig. 2: the filter element assembly 20 comprises a tube plate 21, a filter element 22 and a positioning flower plate 23; a plurality of filter elements 22 are arranged, the upper end of each filter element 22 is fixed on the tube plate 21, the lower end of each filter element 22 is inserted into the positioning flower plate 23, and the tube plate 21 is fixed on the inner wall of the filter shell 10; the water outlet is positioned above the tube plate 21.
The filter element 22 comprises a filter pipe, a joint and a positioning rod; the joint is arranged at the top end of the filter pipe, the positioning rod is arranged at the bottom end of the filter pipe, and the joint is communicated with the filter pipe.
The tube plate 21 is provided with a mounting hole, and the joint is fixed in the mounting hole; the positioning flower plate 23 is provided with a positioning hole; the positioning rod is inserted into the positioning hole, a threaded section is arranged on the positioning rod, a first fixing nut 24 and a second fixing nut 25 are arranged on the threaded section, the threaded section penetrates through the positioning hole, the positioning flower plate 23 is clamped between the first fixing nut 24 and the second fixing nut 25, the first fixing nut 24 is located above the positioning flower plate 23, and the second fixing nut 25 is located below the positioning flower plate 23.
Through setting the filter element assembly 20 to the above structure, the filter element assembly 20 is stable and reliable in the using process, and meanwhile, the installation and the disassembly are convenient.
Preferably, the joint is welded on the tube plate 21 or the joint is fixed with the tube plate 21 in a threaded fit manner, and whether the joint is welded or the joint is in the threaded fit manner can be selected according to actual requirements in specific use.
Preferably, the filter element 22 is a metal sintered filter element. The invention solves the problem that the existing glass fiber filter element can not be recycled by adopting the metal sintered filter element (the strength of the nonmetal filter material such as glass fiber is poor and can not bear the pressure during backwashing, so the nonmetal filter material can not be generally recycled.
When the filtering device is used for filtering, the specific filtering method is as follows:
during filtering: the water inlet valve 50 and the water outlet valve 60 are opened, the filter element cleaning structure is closed, and water flows into the water outlet pipe 40 from the upper part of the filter element assembly 20 and is discharged after being filtered by the filter element assembly 20 from outside to inside;
when the cartridge 22 is clean: when the pressure difference between the water inlet pipe 30 and the water outlet pipe 40 measured by the pressure difference transmitter 140 reaches a certain value, the filter element cleaning structure is started to clean the filter element 22, and the specific process is as follows: the water inlet valve 50 and the water outlet valve 60 are closed, the blowback air inlet valve 90 is opened, pressure gas is formed in the pressure gas cavity 70, then the blow-off valve 110 is opened, and water in the filter shell 10 rapidly passes through the filter element assembly 20 reversely under the push of the pressure gas, so that pollutants on the surface of the filter element assembly 20 are removed. After cleaning of the cartridge 22 is complete, the vent valve 130 can be opened to vent the high pressure gas through the vent tube 130.
Although the present invention has been described in detail with reference to the foregoing embodiments, it will be understood by those of ordinary skill in the art that: the technical solutions described in the foregoing embodiments may still be modified, or some technical features may be equivalently replaced; and such modifications or substitutions do not depart from the spirit and scope of the corresponding technical solutions of the embodiments of the present invention.
Claims (11)
1. The utility model provides a reduce filter equipment that nuclear power filtered solid useless volume which characterized in that: comprises a filter shell (10), a filter element component (20), a water inlet pipe (30), a water outlet pipe (40), a water inlet valve (50), a water outlet valve (60) and a filter element cleaning structure;
the filter element assembly (20) is arranged in the filter shell (10), a water inlet and a water outlet are formed in the filter shell (10), a water inlet pipe (30) is arranged at the water inlet, and a water inlet valve (50) is arranged on the water inlet pipe (30); a water outlet pipe (40) is arranged at the water outlet, and a water outlet valve (60) is arranged on the water outlet pipe (40); the water inlet is positioned below the water outlet.
2. The filter device for reducing the nuclear power filter solid waste amount according to claim 1, characterized in that: the filter element cleaning structure comprises a pressure gas cavity (70), an air inlet pipe (80), a back-blowing air inlet valve (90), a blow-off pipe (100) and a blow-off valve (110);
wherein, a sewage draining outlet and an air inlet are arranged on the filter shell (10), a sewage draining pipe (100) is arranged at the sewage draining outlet, and a sewage draining valve (110) is arranged on the sewage draining pipe (100); the air inlet is provided with an air inlet pipe (80), the air inlet pipe (80) is provided with a back-blowing air inlet valve (90), and the air inlet pipe (80) is connected with high-pressure gas;
the air inlet is positioned at the upper end of the filter shell (10), and the sewage draining outlet is positioned at the bottom end of the filter shell (10);
a cavity is arranged between the filter element assembly (20) and the top end of the filter shell (10), and the cavity is a pressure gas cavity (70).
3. The filter device for reducing the nuclear power filter solid waste amount according to claim 2, characterized in that: the top end of the filter shell (10) is also provided with a vent pipe (120), and the vent pipe (120) is provided with a vent valve (130).
4. The filter device for reducing the nuclear power filter solid waste amount according to claim 2 or 3, wherein: a pressure difference transmitter (140) is arranged between the water inlet pipe (30) and the water outlet pipe (40), and pressure measuring guide pipes at two ends of the pressure difference transmitter (140) are respectively connected to the water inlet pipe (30) and the water outlet pipe (40).
5. The filter device for reducing the nuclear power filter solid waste amount according to claim 2, characterized in that: the filter element assembly (20) comprises a tube plate (21), a filter element (22) and a positioning flower plate (23);
the filter device comprises a plurality of filter elements (22), wherein the upper end of each filter element (22) is fixed on a tube plate (21), the lower end of each filter element (22) is inserted into a positioning flower plate (23), and the tube plate (21) is fixed on the inner wall of a filter shell (10); the water outlet is positioned above the tube plate (21).
6. The filter device for reducing the nuclear power filter solid waste amount according to claim 5, wherein: the filter element (22) comprises a filter pipe, a joint and a positioning rod;
the joint is arranged at the top end of the filter pipe, the positioning rod is arranged at the bottom end of the filter pipe, and the joint is communicated with the filter pipe.
7. The filter device for reducing the nuclear power filter solid waste amount according to claim 6, characterized in that: the tube plate (21) is provided with a mounting hole, and the joint is fixed in the mounting hole;
the positioning flower plate is characterized in that a positioning hole is formed in the positioning flower plate (23), the positioning rod is inserted into the positioning hole, a threaded section is formed in the positioning rod, a first fixing nut (24) and a second fixing nut (25) are arranged on the threaded section, the threaded section penetrates through the positioning hole, the positioning flower plate (23) is clamped between the first fixing nut (24) and the second fixing nut (25), the first fixing nut (24) is located above the positioning flower plate (23), and the second fixing nut (25) is located below the positioning flower plate (23).
8. The filter device for reducing the nuclear power filter solid waste amount according to claim 7, characterized in that: the joint is welded on the tube plate (21) or the joint is fixed with the tube plate (21) in a threaded fit manner.
9. The filter device for reducing the nuclear power filter solid waste amount according to claim 5, wherein: the filter element (22) is a metal sintered filter element.
10. A filtering method for reducing nuclear power filtering solid waste is characterized in that: the filtering device of claim 1 is adopted for filtering, and the specific filtering method is as follows:
during filtering: opening the water inlet valve (50) and the water outlet valve (60), closing the filter element cleaning structure, and enabling water to flow into the water outlet pipe (40) from the upper part of the filter element assembly (20) and be discharged after being filtered by the filter element assembly (20) from outside to inside;
when the filter element (22) is cleaned: the water inlet valve (50) and the water outlet valve (60) are closed, the filter element cleaning structure is opened, water in the filter shell (10) enters the filter element assembly (20) from the upper part of the filter element assembly (20), and the water reversely passes through the filter element assembly (20) from inside to outside, so that the filter element assembly (20) is cleaned.
11. The filtration method for reducing the amount of nuclear power filtration solid waste of claim 10, wherein: the filter element cleaning structure comprises a pressure gas cavity (70), an air inlet pipe (80), a back-blowing air inlet valve (90), a blow-off pipe (100) and a blow-off valve (110); wherein, a sewage draining outlet and an air inlet are arranged on the filter shell (10), a sewage draining pipe (100) is arranged at the sewage draining outlet, and a sewage draining valve (110) is arranged on the sewage draining pipe (100); the air inlet is provided with an air inlet pipe (80), the air inlet pipe (80) is provided with a back-blowing air inlet valve (90), and the air inlet pipe (80) is connected with high-pressure gas; the air inlet is positioned at the upper end of the filter shell (10), and the sewage draining outlet is positioned at the bottom end of the filter shell (10); a cavity is arranged between the filter element assembly (20) and the top end of the filter shell (10), and the cavity is a pressure gas cavity (70);
when the filter element cleaning structure is adopted to clean the filter element (22), the specific process is as follows:
closing the water inlet valve (50) and the water outlet valve (60), opening the blowback air inlet valve (90), forming pressure gas in the pressure gas cavity (70), then opening the blow-off valve (110), and under the pushing of the pressure gas, rapidly reversing the water in the filter shell (10) to pass through the filter element assembly (20) to remove the pollutants on the surface of the filter element assembly (20).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202111050354.3A CN113599882A (en) | 2021-09-08 | 2021-09-08 | Filtering device and filtering method for reducing nuclear power filtering solid waste amount |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202111050354.3A CN113599882A (en) | 2021-09-08 | 2021-09-08 | Filtering device and filtering method for reducing nuclear power filtering solid waste amount |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN113599882A true CN113599882A (en) | 2021-11-05 |
Family
ID=78310152
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202111050354.3A Pending CN113599882A (en) | 2021-09-08 | 2021-09-08 | Filtering device and filtering method for reducing nuclear power filtering solid waste amount |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN113599882A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114509377A (en) * | 2022-02-22 | 2022-05-17 | 三门核电有限公司 | Dynamic filter element compatibility measuring method and device |
Citations (29)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4419234A (en) * | 1981-09-24 | 1983-12-06 | Pall Corporation | Multiple cartridge filter assembly with removable filter cartridge array |
| US4666592A (en) * | 1985-12-10 | 1987-05-19 | Bea Filiri S.P.A. | Self-cleaning filter, particularly for feed waters in industrial plants |
| US20080099408A1 (en) * | 2006-10-31 | 2008-05-01 | Robert Frank Swindell | Diatomaceous earth filter apparatus and method |
| CN201643830U (en) * | 2010-04-13 | 2010-11-24 | 安丘海洋机械制造有限公司 | Pressure filter |
| CN201735239U (en) * | 2010-06-04 | 2011-02-09 | 邢兆杰 | Separation plate type filter capable of realizing thorough reverse flushing of filter cores |
| CN201750973U (en) * | 2010-06-13 | 2011-02-23 | 浙江逸盛石化有限公司 | Device for improving yield of terephthalic acid |
| CN102475990A (en) * | 2010-11-29 | 2012-05-30 | 谢定猛 | Novel full-automatic micropore filter |
| CN202289638U (en) * | 2011-10-31 | 2012-07-04 | 富阳梅伊韦尔环保设备有限公司 | Multi-core secondary filter |
| CN202478697U (en) * | 2012-03-09 | 2012-10-10 | 德芮克化工设备（昆山）有限公司 | Filter |
| US20130200006A1 (en) * | 2012-02-03 | 2013-08-08 | Filtration Technology Corporation | Filter cleaning system and method |
| CN104083928A (en) * | 2014-07-08 | 2014-10-08 | 南京化工职业技术学院 | Filter |
| CN203899249U (en) * | 2014-06-25 | 2014-10-29 | 北京美斯顿科技开发有限公司 | Automatic back-flush filter with compound filter element |
| CN203971521U (en) * | 2014-07-07 | 2014-12-03 | 邢兆杰 | The de-cake formula filter of blowback flow-disturbing brush slag |
| CN204411939U (en) * | 2015-01-23 | 2015-06-24 | 江苏瑞洁环境工程科技有限责任公司 | A kind of filter bag fixing device of duct collector |
| CN204767971U (en) * | 2015-06-08 | 2015-11-18 | 安泰科技股份有限公司 | A filter that is used for coal gasification equipment high temperature including under sulphur environment |
| CN205672644U (en) * | 2016-06-06 | 2016-11-09 | 湖州恒鑫过滤科技有限公司 | A kind of fiberglass multicore filter |
| WO2017069296A1 (en) * | 2015-10-19 | 2017-04-27 | 주식회사 고려필터 | Backwashing type filter apparatus having fluid pressurizer |
| CN206372579U (en) * | 2016-12-30 | 2017-08-04 | 神马实业股份有限公司 | A kind of new and effective nylon66 fiber saline solution filter |
| CN206934855U (en) * | 2017-07-03 | 2018-01-30 | 杭州力康净化设备有限公司 | A kind of small security filter |
| CN107670365A (en) * | 2017-10-27 | 2018-02-09 | 苏州市鼎尔过滤科技有限公司 | Combined multifunctional filter |
| CN108371836A (en) * | 2018-04-08 | 2018-08-07 | 无锡市锦秀石化机械设备制造有限公司 | A kind of novel ecology imitating circulated filter system |
| CN208372583U (en) * | 2018-05-31 | 2019-01-15 | 浙江东瓯过滤机制造有限公司 | A kind of short grained filtration wash unit of ternary precursor |
| CN209500969U (en) * | 2019-01-25 | 2019-10-18 | 伽诺(杭州)净化系统装备有限公司 | A kind of full-automatic tubulation backwash filter |
| CN110604956A (en) * | 2019-08-28 | 2019-12-24 | 广西天源新能源材料有限公司 | A precision filter for production of lithium hydroxide monohydrate |
| CN111534322A (en) * | 2020-04-21 | 2020-08-14 | 安泰科技股份有限公司 | Purification device and purification method for raw materials for producing needle coke |
| CN211487201U (en) * | 2019-10-29 | 2020-09-15 | 昂星新型碳材料常州有限公司 | Automatic back-blowing positive pressure type filtering tank |
| CN212369741U (en) * | 2020-07-19 | 2021-01-19 | 新乡市胜达过滤净化技术有限公司 | High-precision large-flow easy-backwashing asymmetric metal sintered filter element |
| CN212881274U (en) * | 2020-04-30 | 2021-04-06 | 杭州康强水处理设备有限公司 | Precision filter |
| CN213192731U (en) * | 2020-07-15 | 2021-05-14 | 潍坊潍森纤维新材料有限公司 | Viscose filtering waste glue recycling device for cellulose casings |
-
2021
- 2021-09-08 CN CN202111050354.3A patent/CN113599882A/en active Pending
Patent Citations (29)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4419234A (en) * | 1981-09-24 | 1983-12-06 | Pall Corporation | Multiple cartridge filter assembly with removable filter cartridge array |
| US4666592A (en) * | 1985-12-10 | 1987-05-19 | Bea Filiri S.P.A. | Self-cleaning filter, particularly for feed waters in industrial plants |
| US20080099408A1 (en) * | 2006-10-31 | 2008-05-01 | Robert Frank Swindell | Diatomaceous earth filter apparatus and method |
| CN201643830U (en) * | 2010-04-13 | 2010-11-24 | 安丘海洋机械制造有限公司 | Pressure filter |
| CN201735239U (en) * | 2010-06-04 | 2011-02-09 | 邢兆杰 | Separation plate type filter capable of realizing thorough reverse flushing of filter cores |
| CN201750973U (en) * | 2010-06-13 | 2011-02-23 | 浙江逸盛石化有限公司 | Device for improving yield of terephthalic acid |
| CN102475990A (en) * | 2010-11-29 | 2012-05-30 | 谢定猛 | Novel full-automatic micropore filter |
| CN202289638U (en) * | 2011-10-31 | 2012-07-04 | 富阳梅伊韦尔环保设备有限公司 | Multi-core secondary filter |
| US20130200006A1 (en) * | 2012-02-03 | 2013-08-08 | Filtration Technology Corporation | Filter cleaning system and method |
| CN202478697U (en) * | 2012-03-09 | 2012-10-10 | 德芮克化工设备（昆山）有限公司 | Filter |
| CN203899249U (en) * | 2014-06-25 | 2014-10-29 | 北京美斯顿科技开发有限公司 | Automatic back-flush filter with compound filter element |
| CN203971521U (en) * | 2014-07-07 | 2014-12-03 | 邢兆杰 | The de-cake formula filter of blowback flow-disturbing brush slag |
| CN104083928A (en) * | 2014-07-08 | 2014-10-08 | 南京化工职业技术学院 | Filter |
| CN204411939U (en) * | 2015-01-23 | 2015-06-24 | 江苏瑞洁环境工程科技有限责任公司 | A kind of filter bag fixing device of duct collector |
| CN204767971U (en) * | 2015-06-08 | 2015-11-18 | 安泰科技股份有限公司 | A filter that is used for coal gasification equipment high temperature including under sulphur environment |
| WO2017069296A1 (en) * | 2015-10-19 | 2017-04-27 | 주식회사 고려필터 | Backwashing type filter apparatus having fluid pressurizer |
| CN205672644U (en) * | 2016-06-06 | 2016-11-09 | 湖州恒鑫过滤科技有限公司 | A kind of fiberglass multicore filter |
| CN206372579U (en) * | 2016-12-30 | 2017-08-04 | 神马实业股份有限公司 | A kind of new and effective nylon66 fiber saline solution filter |
| CN206934855U (en) * | 2017-07-03 | 2018-01-30 | 杭州力康净化设备有限公司 | A kind of small security filter |
| CN107670365A (en) * | 2017-10-27 | 2018-02-09 | 苏州市鼎尔过滤科技有限公司 | Combined multifunctional filter |
| CN108371836A (en) * | 2018-04-08 | 2018-08-07 | 无锡市锦秀石化机械设备制造有限公司 | A kind of novel ecology imitating circulated filter system |
| CN208372583U (en) * | 2018-05-31 | 2019-01-15 | 浙江东瓯过滤机制造有限公司 | A kind of short grained filtration wash unit of ternary precursor |
| CN209500969U (en) * | 2019-01-25 | 2019-10-18 | 伽诺(杭州)净化系统装备有限公司 | A kind of full-automatic tubulation backwash filter |
| CN110604956A (en) * | 2019-08-28 | 2019-12-24 | 广西天源新能源材料有限公司 | A precision filter for production of lithium hydroxide monohydrate |
| CN211487201U (en) * | 2019-10-29 | 2020-09-15 | 昂星新型碳材料常州有限公司 | Automatic back-blowing positive pressure type filtering tank |
| CN111534322A (en) * | 2020-04-21 | 2020-08-14 | 安泰科技股份有限公司 | Purification device and purification method for raw materials for producing needle coke |
| CN212881274U (en) * | 2020-04-30 | 2021-04-06 | 杭州康强水处理设备有限公司 | Precision filter |
| CN213192731U (en) * | 2020-07-15 | 2021-05-14 | 潍坊潍森纤维新材料有限公司 | Viscose filtering waste glue recycling device for cellulose casings |
| CN212369741U (en) * | 2020-07-19 | 2021-01-19 | 新乡市胜达过滤净化技术有限公司 | High-precision large-flow easy-backwashing asymmetric metal sintered filter element |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114509377A (en) * | 2022-02-22 | 2022-05-17 | 三门核电有限公司 | Dynamic filter element compatibility measuring method and device |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN111228866B (en) | Online self-cleaning medium filtering device | |
| CN113599882A (en) | Filtering device and filtering method for reducing nuclear power filtering solid waste amount | |
| CN210521990U (en) | Automatic back flush filtration equipment | |
| CN209662744U (en) | A kind of bilateral complementation backwash filter | |
| CN218833769U (en) | Irrigation pollution discharge backwashing filter device | |
| CN104436774B (en) | Mechanical filter | |
| CN207187301U (en) | A kind of quartz filter | |
| CN212283042U (en) | Closed resin trapping device | |
| CN210434102U (en) | Conveniently-replaced super-large water purifying equipment filter | |
| CN208065862U (en) | A kind of water purification quartz filter | |
| CN221831783U (en) | Isolation area pipeline filter | |
| CN219977490U (en) | Stainless steel water watchcase that possesses back flush function | |
| CN210521955U (en) | Self-cleaning filter | |
| CN217409928U (en) | Backflushing filter tank | |
| CN213698941U (en) | Integrated filtering equipment | |
| CN219942053U (en) | Filtration system containing coal tar methanol | |
| CN221535737U (en) | Many quartz sand filter equipment | |
| CN203342472U (en) | Quicksand type filter | |
| CN212141735U (en) | Ammonium nitrate wastewater solid suspended matter removing system | |
| CN219730553U (en) | Sand catching device for water outlet filter material of mechanical filter | |
| CN206045507U (en) | A kind of high-efficiency fiber beam filter device | |
| CN215137471U (en) | Conveniently clear up sewage treatment plant who filters otter board | |
| CN203469645U (en) | Activated carbon filter with backwashing function | |
| CN209771459U (en) | High-speed filter with calandria water collection device | |
| CN217139531U (en) | Horizontal angle leads to scrubbing ware |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| RJ01 | Rejection of invention patent application after publication |
Application publication date: 20211105 |
|
| RJ01 | Rejection of invention patent application after publication |