CN115382267A - Filtering device for circulating water pump system of nuclear power station - Google Patents
Filtering device for circulating water pump system of nuclear power station Download PDFInfo
- Publication number
- CN115382267A CN115382267A CN202211001749.9A CN202211001749A CN115382267A CN 115382267 A CN115382267 A CN 115382267A CN 202211001749 A CN202211001749 A CN 202211001749A CN 115382267 A CN115382267 A CN 115382267A
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- CN
- China
- Prior art keywords
- plate
- water pump
- circulating water
- nuclear power
- pump system
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- 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
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 title claims abstract description 49
- 238000001914 filtration Methods 0.000 title claims abstract description 32
- 239000010813 municipal solid waste Substances 0.000 abstract description 8
- 238000003825 pressing Methods 0.000 abstract description 5
- 238000000034 method Methods 0.000 abstract description 4
- 230000000694 effects Effects 0.000 abstract description 3
- 230000009286 beneficial effect Effects 0.000 abstract description 2
- 239000013618 particulate matter Substances 0.000 description 3
- 239000000498 cooling water Substances 0.000 description 2
- 239000012535 impurity Substances 0.000 description 2
- 239000002699 waste material Substances 0.000 description 2
- 230000004075 alteration Effects 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
- 230000000149 penetrating effect Effects 0.000 description 1
- 238000012216 screening Methods 0.000 description 1
- 238000006467 substitution reaction Methods 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
- B01D29/13—Supported filter elements
- B01D29/23—Supported filter elements arranged for outward flow filtration
- B01D29/27—Filter bags
-
- 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
- B01D29/88—Filters with filtering elements stationary during filtration, e.g. pressure or suction filters, not covered by groups B01D24/00 - B01D27/00; Filtering elements therefor having feed or discharge devices
- B01D29/94—Filters with filtering elements stationary during filtration, e.g. pressure or suction filters, not covered by groups B01D24/00 - B01D27/00; Filtering elements therefor having feed or discharge devices for discharging the filter cake, e.g. chutes
-
- 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
- B01D29/96—Filters with filtering elements stationary during filtration, e.g. pressure or suction filters, not covered by groups B01D24/00 - B01D27/00; Filtering elements therefor in which the filtering elements are moved between filtering operations; Particular measures for removing or replacing the filtering elements; Transport systems for filters
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D33/00—Filters with filtering elements which move during the filtering operation
- B01D33/01—Filters with filtering elements which move during the filtering operation with translationally moving filtering elements, e.g. pistons
- B01D33/0108—Filters with filtering elements which move during the filtering operation with translationally moving filtering elements, e.g. pistons with bag, cage, hose, tube, sleeve or the like filtering elements
- B01D33/0133—Filters with filtering elements which move during the filtering operation with translationally moving filtering elements, e.g. pistons with bag, cage, hose, tube, sleeve or the like filtering elements arranged for outward flow filtration
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D33/00—Filters with filtering elements which move during the filtering operation
- B01D33/70—Filters with filtering elements which move during the filtering operation having feed or discharge devices
- B01D33/76—Filters with filtering elements which move during the filtering operation having feed or discharge devices for discharging the filter cake, e.g. chutes
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D33/00—Filters with filtering elements which move during the filtering operation
- B01D33/80—Accessories
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D33/00—Filters with filtering elements which move during the filtering operation
- B01D33/80—Accessories
- B01D33/801—Driving means, shaft packing systems or the like
Landscapes
- Chemical & Material Sciences (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Filtration Of Liquid (AREA)
Abstract
The invention relates to the technical field of water pump systems, wherein a positioning rod is arranged on the surface of a filtering device body for a nuclear power station circulating water pump system, a guide groove is formed in the surface of the positioning rod, a fixing plate is arranged on the surface of the guide groove, and a traction rope is arranged on the surface of the fixing plate; the connecting plate is arranged on the surface of the positioning rod, a traction rope is arranged on the surface of the fixing plate, one end of the traction rope is fixed on the surface of the connecting plate, and an auxiliary plate is arranged on the surface of the connecting plate; the filter bag is arranged on the surface of the hanging plate, and the hanging plate is arranged on the surface of the fixing plate; the beneficial effects are that: in the middle of the process of pressing the connecting plate, under the effect of haulage rope, the connecting plate drives the fixed plate and removes, and the fixed plate drives and crosses the filter bag and removes, is convenient for collect the rubbish in the filter bag, and the circle rope makes things convenient for rivers to get into nuclear power station for circulating water pump system filter equipment when originally internal, rubbish can be better drop to in the filter bag.
Description
Technical Field
The invention relates to the technical field of water pump systems, in particular to a filtering device for a circulating water pump system of a nuclear power station.
Background
The function of the CRF is to supply cooling water to the condenser and auxiliary cooling water System (SEN) of each unit through two independent water inlets, and to discharge the circulating water to the sea through a siphon well.
Among the prior art, nuclear power station circulating water pump front end installation filter filters the particulate matter in to the water, avoids the particulate matter to get into the inside internal member wearing and tearing that leads to of circulating water pump, and just traditional filter adopts the filter bag to carry out preliminary screening to the impurity in the rivers, intercepts big particulate matter or debris.
However, after the water flow of the filter bag is filtered, impurities in the filter bag need to be fished out of the water surface and then collected and cleaned, and the filter bag is inconvenient to take down and not thoroughly cleaned.
Disclosure of Invention
The invention aims to provide a filtering device for a circulating water pump system of a nuclear power station, which is used for solving the problems in the background technology.
In order to achieve the purpose, the invention provides the following technical scheme: a filtering device for a circulating water pump system of a nuclear power plant comprises:
the filtering device body for the circulating water pump system of the nuclear power station is characterized in that a positioning rod is arranged on the surface of the filtering device body for the circulating water pump system of the nuclear power station, a guide groove is formed in the surface of the positioning rod, a fixing plate is arranged on the surface of the guide groove, and a traction rope is arranged on the surface of the fixing plate;
the connecting plate is arranged on the surface of the positioning rod, a traction rope is arranged on the surface of the fixing plate, one end of the traction rope is fixed on the surface of the connecting plate, and an auxiliary plate is arranged on the surface of the connecting plate;
the filter bag is arranged on the surface of the hanging plate, and the hanging plate is arranged on the surface of the fixing plate.
Preferably, the sliding groove is formed in the surface of the filtering device body for the circulating water pump system of the nuclear power station, the sliding groove is of an arc-shaped annular groove body structure, the limiting holes are formed in the surface of the sliding groove and are provided with two sets of limiting holes, and the sliding block is connected to the surface of the sliding groove in a sliding mode.
Preferably, the surface of the moving block is provided with a clamping groove, the connecting plate is located in the clamping groove, the surface of the moving block is provided with a pushing plate, the pushing plate is of an arc-shaped plate structure, the moving blocks are provided with two groups, the two groups of moving blocks are located at two ends of the pushing plate respectively, the surface of the pushing plate is spliced with a pull rod, one end of the pull rod is located in a limiting hole, a spring is arranged between the surfaces of the pushing plate and the pull rod, and the spring sleeve is arranged on the surface of the pull rod.
Preferably, the locating lever is the circular cylinder structure, and the locating lever is provided with two sets ofly, and two sets of locating levers are the annular platelike structure about the central symmetric distribution of nuclear power station circulating water pump for the system filter equipment body, the fixed plate, and the spacing groove has been seted up on the surface of fixed plate, and the spacing groove is provided with two sets ofly, and two sets of spacing grooves are about the central symmetric distribution of fixed plate, and the link plate is the arc platelike structure, and the spacing groove is passed to the one end of link plate.
Preferably, the surface of crossing the filter bag is provided with wears the bag, and the one end of link plate is passed and is worn the bag and be located the spacing inslot, and crosses the surface of filter bag and be provided with the circle rope, and a department of circle rope is located the surface of hangers, and the hangers is seted up on the surface of locating lever.
Preferably, a first through hole is formed in the surface of the positioning rod, a fixed block is arranged on the surface of the positioning rod, a second through hole is formed in the surface of the fixed block, and one end of the traction rope penetrates through the first through hole and the second through hole to be fixed to the surface of the connecting plate.
Preferably, the connecting plate and the auxiliary plates are both arc-shaped plate structures, the surfaces of the auxiliary plates are connected with guide rods in a sliding mode, the guide rods are arc-shaped cylinder structures with circular cross sections, and one ends of the guide rods are connected to the surfaces of the other groups of auxiliary plates in a sliding mode.
Compared with the prior art, the invention has the beneficial effects that:
according to the filtering device for the circulating water pump system of the nuclear power station, the auxiliary plate is pressed downwards until the auxiliary plate is contacted with the filtering device body for the circulating water pump system of the nuclear power station, the moving block is pushed to enable the clamping groove to be contacted with the connecting plate, and the pull rod is pulled to enable one end of the pull rod to be located in the limiting hole to limit the moving block; in the middle of the process of pressing the connecting plate, under the effect of haulage rope, the connecting plate drives the fixed plate and removes, and the fixed plate drives and crosses the filter bag and removes, is convenient for collect the rubbish in the filter bag, and crosses the filter bag and can follow the link plate surface and take off, and the circle rope makes things convenient for rivers to get into nuclear power station filter equipment for circulating water pump system when originally internal, and rubbish can be better drops to the filter bag in.
Drawings
FIG. 1 is a schematic view of the structure of the present invention;
FIG. 2 is a schematic view of a connection structure of a moving block and a pushing plate according to the present invention;
FIG. 3 is a schematic view of a fixing plate according to the present invention;
FIG. 4 is a schematic view of the filter bag configuration of the present invention;
FIG. 5 is a schematic view of the structure of the sliding slot of the present invention;
FIG. 6 is a schematic view of a connecting structure of a positioning rod and a connecting plate according to the present invention;
FIG. 7 is a schematic view of the connection structure of the ring positioning rod and the filter bag of the present invention;
fig. 8 is an enlarged schematic view of a portion a of fig. 7.
In the figure: the filtering device for the circulating water pump system of the nuclear power station comprises a filtering device body 1, a sliding groove 2, a limiting hole 3, a positioning rod 4, a guide groove 5, a first perforation 6, a hanging lug 7, a traction rope 8, a fixing block 9, a second perforation 10, a fixing plate 11, a limiting groove 12, a hanging plate 13, a connecting plate 14, an auxiliary plate 15, a guide rod 16, a loop rope 17, a moving block 18, a pushing plate 19, a pull rod 20, a spring 21, a filter bag 22, a penetrating bag 23 and a clamping groove 24.
Detailed Description
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 only a part of the embodiments of the present invention, and not all of the embodiments. 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.
Example one
Referring to fig. 1 to 8, the present invention provides a technical solution: a filtering device for a circulating water pump system of a nuclear power plant comprises: the filtering device for the circulating water pump system of the nuclear power station comprises a filtering device body 1 for the circulating water pump system of the nuclear power station, wherein a positioning rod 4 is arranged on the surface of the filtering device body 1 for the circulating water pump system of the nuclear power station, a guide groove 5 is formed in the surface of the positioning rod 4, a fixing plate 11 is arranged on the surface of the guide groove 5, and a traction rope 8 is arranged on the surface of the fixing plate 11; a connecting plate 14 arranged on the surface of the positioning rod 4, a hauling rope 8 arranged on the surface of the fixing plate 11, one end of the hauling rope 8 fixed on the surface of the connecting plate 14, and an auxiliary plate 15 arranged on the surface of the connecting plate 14; the filter bag 22 is arranged on the surface of the hanging plate 13, and the hanging plate 13 is arranged on the surface of the fixing plate 11;
pressing the auxiliary plate 15 downwards until the auxiliary plate 15 is in contact with the filtering device body 1 for the circulating water pump system of the nuclear power station, pushing the moving block 18 to enable the clamping groove 24 to be in contact with the connecting plate 14, and pulling the pull rod 20 to enable one end of the pull rod to be located in the limiting hole 3 to limit the moving block 18; in the process of pressing the connecting plate 14, the connecting plate 14 drives the fixing plate 11 to move, the fixing plate drives the filter bag 22 to move, so that garbage in the filter bag 22 can be collected conveniently, and when the loop rope 17 facilitates water flow to enter the filtering device body 1 for the circulating water pump system of the nuclear power station, the garbage can better fall into the filter bag 22;
example two
On the basis of the first embodiment, in order to limit the connecting plate 14, the surface of the filtering device body 1 for the circulating water pump system of the nuclear power station is provided with the sliding groove 2, the sliding groove 2 is of an annular groove body structure with an arc-shaped cross section, the surface of the sliding groove 2 is provided with the limiting holes 3, the limiting holes 3 are provided with two groups, the surface of the sliding groove 2 is connected with the moving block 18 in a sliding manner, the surface of the moving block 18 is provided with the clamping groove 24, the connecting plate 14 is positioned in the clamping groove 24, the surface of the moving block 18 is provided with the pushing plate 19, the pushing plate 19 is of an arc-shaped plate structure, the moving block 18 is provided with two groups, the two groups of moving blocks 18 are respectively positioned at two ends of the pushing plate 19, the surface of the pushing plate 19 is inserted with the pull rod 20, one end of the pull rod 20 is positioned in the limiting hole 3, and the spring 21 is arranged between the pushing plate 19 and the surface of the pull rod 20, the spring 21 is sleeved on the surface of the pull rod 20, the positioning rods 4 are of a circular cylinder structure, two groups of positioning rods 4 are arranged, the two groups of positioning rods 4 are symmetrically distributed about the center of the filtering device body 1 for the circulating water pump system of the nuclear power station, the fixing plate 11 is of an annular plate-shaped structure, the surface of the fixing plate 11 is provided with two groups of limiting grooves 12, the two groups of limiting grooves 12 are symmetrically distributed about the center of the fixing plate 11, the hanging plate 13 is of an arc-shaped plate-shaped structure, one end of the hanging plate 13 penetrates through the limiting grooves 12, as shown in fig. 1, the auxiliary plate 15 is pressed downwards until the auxiliary plate 15 is contacted with the filtering device body 1 for the circulating water pump system of the nuclear power station, the moving block 18 is pushed to enable the clamping groove 24 to be contacted with the connecting plate 14, and one end of the pull rod 20 is pulled to be located in the limiting hole 3 to limit the moving block 18;
EXAMPLE III
On the basis of the second embodiment, in order to realize the movement of the filter bag 22, a through bag 23 is arranged on the surface of the filter bag 22, one end of a hanging plate 13 penetrates through the through bag 23 and is located in a limiting groove 12, a loop rope 17 is arranged on the surface of the filter bag 22, one end of the loop rope 17 is located on the surface of a hanging lug 7, the hanging lug 7 is arranged on the surface of a positioning rod 4, a first through hole 6 is formed in the surface of the positioning rod 4, a fixing block 9 is arranged on the surface of the positioning rod 4, a second through hole 10 is formed in the surface of the fixing block 9, one end of a traction rope 8 penetrates through the first through hole 6 and the second through hole 10 and is fixed on the surface of a connecting plate 14, the connecting plate 14 and an auxiliary plate 15 are both in an arc-shaped plate structure, a guide rod 16 is slidably connected to the surface of the auxiliary plate 15, one end of the guide rod 16 is slidably connected to the surfaces of the other auxiliary plates 15, the connecting plate 14 drives the fixing plate 11 to move, the waste fixing plate 22 to move, the filter bag 22 is convenient to collect waste in the filter bag 22, and the ring 17 facilitates water flow entering the nuclear power station for the filter device body 1.
In actual use, as shown in fig. 1, the auxiliary plate 15 is pressed downwards until the auxiliary plate 15 contacts with the filtering device body 1 for the circulating water pump system of the nuclear power station, the moving block 18 is pushed to enable the clamping groove 24 to contact with the connecting plate 14, and the pull rod 20 is pulled to enable one end of the pull rod to be located in the limiting hole 3 to limit the moving block 18;
in the middle of the process of pressing connecting plate 14, under the effect of haulage rope 8, connecting plate 14 drives fixed plate 11 and removes, and the fixed plate drives and crosses filter bag 22 and remove, is convenient for collect the rubbish of crossing in the filter bag 22, and when circle rope 17 made things convenient for rivers to get into in the nuclear power station is filter device body for circulating water pump system 1, rubbish can be better drop to cross in the filter bag 22.
Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that various changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.
Claims (7)
1. The utility model provides a nuclear power station is filter equipment for circulating water pump system which characterized in that: the nuclear power station is filter equipment for circulating water pump system includes:
the filtering device comprises a filtering device body (1) for the circulating water pump system of the nuclear power station, wherein a positioning rod (4) is arranged on the surface of the filtering device body (1) for the circulating water pump system of the nuclear power station, a guide groove (5) is formed in the surface of the positioning rod (4), a fixing plate (11) is arranged on the surface of the guide groove (5), and a traction rope (8) is arranged on the surface of the fixing plate (11);
the connecting plate (14) is arranged on the surface of the positioning rod (4), the surface of the fixing plate (11) is provided with a traction rope (8), one end of the traction rope (8) is fixed on the surface of the connecting plate (14), and the surface of the connecting plate (14) is provided with an auxiliary plate (15);
the filter bag (22) is arranged on the surface of the hanging plate (13), and the hanging plate (13) is arranged on the surface of the fixing plate (11).
2. The filtering device for the circulating water pump system of the nuclear power plant as claimed in claim 1, wherein: sliding groove (2) have been seted up on the surface of nuclear power station filter equipment body for circulating water pump system (1), and sliding groove (2) are curved annular groove body structure for the cross-section, and spacing hole (3) have been seted up on the surface of sliding groove (2), and spacing hole (3) are provided with two sets ofly, and the sliding surface of sliding groove (2) is connected with movable block (18).
3. The filtering device for the circulating water pump system of the nuclear power plant as claimed in claim 2, wherein: clamping grooves (24) are formed in the surface of the moving block (18), the connecting plate (14) is located in the clamping grooves (24), push plates (19) are arranged on the surface of the moving block (18), the push plates (19) are of arc-shaped plate structures, the moving block (18) is provided with two groups, the two groups of moving blocks (18) are located at two ends of each push plate (19), pull rods (20) are inserted into the surfaces of the push plates (19), one ends of the pull rods (20) are located in the limiting holes (3), springs (21) are arranged between the surfaces of the push plates (19) and the pull rods (20), and the springs (21) are sleeved on the surfaces of the pull rods (20).
4. The filtering device for the circulating water pump system of the nuclear power plant as claimed in claim 3, wherein: locating lever (4) are circular cylinder structure, locating lever (4) are provided with two sets ofly, two sets of locating levers (4) are about the central symmetric distribution of nuclear power station circulating water pump system with filter equipment body (1), fixed plate (11) are annular platelike structure, spacing groove (12) have been seted up on the surface of fixed plate (11), spacing groove (12) are provided with two sets ofly, two sets of spacing groove (12) are about the central symmetric distribution of fixed plate (11), and link plate (13) are arc platelike structure, spacing groove (12) are passed to the one end of link plate (13).
5. The filtering device for the circulating water pump system of the nuclear power plant as claimed in claim 4, wherein: the surface of crossing filter bag (22) is provided with wears bag (23), and the one end of link plate (13) is passed and is worn bag (23) and be located spacing groove (12), and the surface of crossing filter bag (22) is provided with circle rope (17), and the surface that locates hangers (7) of circle rope (17), and hangers (7) are seted up on the surface of locating lever (4).
6. The filtering device for the circulating water pump system of the nuclear power plant as claimed in claim 5, wherein: the surface of the positioning rod (4) is provided with a first through hole (6), the surface of the positioning rod (4) is provided with a fixing block (9), the surface of the fixing block (9) is provided with a second through hole (10), and one end of the traction rope (8) penetrates through the first through hole (6) and the second through hole (10) to be fixed on the surface of the connecting plate (14).
7. The filtering device for the circulating water pump system of the nuclear power plant as claimed in claim 6, wherein: the connecting plate (14) and the auxiliary plates (15) are both arc-shaped plate-shaped structures, the surfaces of the auxiliary plates (15) are connected with guide rods (16) in a sliding mode, the guide rods (16) are arc-shaped cylinder structures with circular sections, and one ends of the guide rods (16) are connected to the surfaces of the other groups of auxiliary plates (15) in a sliding mode.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202211001749.9A CN115382267A (en) | 2022-08-20 | 2022-08-20 | Filtering device for circulating water pump system of nuclear power station |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202211001749.9A CN115382267A (en) | 2022-08-20 | 2022-08-20 | Filtering device for circulating water pump system of nuclear power station |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN115382267A true CN115382267A (en) | 2022-11-25 |
Family
ID=84121330
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202211001749.9A Pending CN115382267A (en) | 2022-08-20 | 2022-08-20 | Filtering device for circulating water pump system of nuclear power station |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN115382267A (en) |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB485039A (en) * | 1937-03-22 | 1938-05-13 | Sydney Holt | Improvements in air filters |
| KR20000019234U (en) * | 1999-04-07 | 2000-11-06 | 이세엽 | Apparatus for filtering refrigerant in nuclear power plant |
| CN205815235U (en) * | 2016-06-29 | 2016-12-21 | 河北健民淀粉糖业有限公司 | Filter bag type vacuum diversion volume |
| CN213978445U (en) * | 2020-12-08 | 2021-08-17 | 福建省三维体育科技有限公司 | Dedicated drainage device of plastic course |
| CN215692495U (en) * | 2021-09-29 | 2022-02-01 | 苏州国滤环保科技有限公司 | Anti-static polytetrafluoroethylene filter bag |
-
2022
- 2022-08-20 CN CN202211001749.9A patent/CN115382267A/en active Pending
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB485039A (en) * | 1937-03-22 | 1938-05-13 | Sydney Holt | Improvements in air filters |
| KR20000019234U (en) * | 1999-04-07 | 2000-11-06 | 이세엽 | Apparatus for filtering refrigerant in nuclear power plant |
| CN205815235U (en) * | 2016-06-29 | 2016-12-21 | 河北健民淀粉糖业有限公司 | Filter bag type vacuum diversion volume |
| CN213978445U (en) * | 2020-12-08 | 2021-08-17 | 福建省三维体育科技有限公司 | Dedicated drainage device of plastic course |
| CN215692495U (en) * | 2021-09-29 | 2022-02-01 | 苏州国滤环保科技有限公司 | Anti-static polytetrafluoroethylene filter bag |
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Application publication date: 20221125 |